blob: 6af310195baebef1d65282da21fe2b6a16c9c959 [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Ariel Elior85b26ea2012-01-26 06:01:54 +00003 * Copyright (c) 2007-2012 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
Eilon Greensteinca003922009-08-12 22:53:28 -070013 * Slowpath and fastpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Joe Perchesf1deab52011-08-14 12:16:21 +000018#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020020#include <linux/module.h>
21#include <linux/moduleparam.h>
22#include <linux/kernel.h>
23#include <linux/device.h> /* for dev_info() */
24#include <linux/timer.h>
25#include <linux/errno.h>
26#include <linux/ioport.h>
27#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020028#include <linux/interrupt.h>
29#include <linux/pci.h>
30#include <linux/init.h>
31#include <linux/netdevice.h>
32#include <linux/etherdevice.h>
33#include <linux/skbuff.h>
34#include <linux/dma-mapping.h>
35#include <linux/bitops.h>
36#include <linux/irq.h>
37#include <linux/delay.h>
38#include <asm/byteorder.h>
39#include <linux/time.h>
40#include <linux/ethtool.h>
41#include <linux/mii.h>
Jiri Pirko01789342011-08-16 06:29:00 +000042#include <linux/if.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080043#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020044#include <net/ip.h>
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030045#include <net/ipv6.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020046#include <net/tcp.h>
47#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070048#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020049#include <linux/workqueue.h>
50#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070051#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020052#include <linux/prefetch.h>
53#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020054#include <linux/io.h>
Yuval Mintz452427b2012-03-26 20:47:07 +000055#include <linux/semaphore.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000056#include <linux/stringify.h>
David S. Miller7ab24bf2011-06-29 05:48:41 -070057#include <linux/vmalloc.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020058
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020059#include "bnx2x.h"
60#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070061#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000062#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000063#include "bnx2x_dcb.h"
Vladislav Zolotarov042181f2011-06-14 01:33:39 +000064#include "bnx2x_sp.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020065
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070066#include <linux/firmware.h>
67#include "bnx2x_fw_file_hdr.h"
68/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000069#define FW_FILE_VERSION \
70 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
71 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
72 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
73 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000074#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
75#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000076#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070077
Eilon Greenstein34f80b02008-06-23 20:33:01 -070078/* Time in jiffies before concluding the transmitter is hung */
79#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020080
Andrew Morton53a10562008-02-09 23:16:41 -080081static char version[] __devinitdata =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030082 "Broadcom NetXtreme II 5771x/578xx 10/20-Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020083 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
84
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070085MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000086MODULE_DESCRIPTION("Broadcom NetXtreme II "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030087 "BCM57710/57711/57711E/"
88 "57712/57712_MF/57800/57800_MF/57810/57810_MF/"
89 "57840/57840_MF Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020090MODULE_LICENSE("GPL");
91MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000092MODULE_FIRMWARE(FW_FILE_NAME_E1);
93MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000094MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020095
Eilon Greenstein555f6c72009-02-12 08:36:11 +000096static int multi_mode = 1;
97module_param(multi_mode, int, 0);
Eilon Greensteinca003922009-08-12 22:53:28 -070098MODULE_PARM_DESC(multi_mode, " Multi queue mode "
99 "(0 Disable; 1 Enable (default))");
100
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000101int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +0000102module_param(num_queues, int, 0);
103MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
104 " (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +0000105
Eilon Greenstein19680c42008-08-13 15:47:33 -0700106static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -0700107module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000108MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000109
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +0000110#define INT_MODE_INTx 1
111#define INT_MODE_MSI 2
Eilon Greenstein8badd272009-02-12 08:36:15 +0000112static int int_mode;
113module_param(int_mode, int, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300114MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000115 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000116
Eilon Greensteina18f5122009-08-12 08:23:26 +0000117static int dropless_fc;
118module_param(dropless_fc, int, 0);
119MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
120
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000121static int mrrs = -1;
122module_param(mrrs, int, 0);
123MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
124
Eilon Greenstein9898f862009-02-12 08:38:27 +0000125static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200126module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000127MODULE_PARM_DESC(debug, " Default debug msglevel");
128
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200129
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300130
131struct workqueue_struct *bnx2x_wq;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000132
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200133enum bnx2x_board_type {
134 BCM57710 = 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300135 BCM57711,
136 BCM57711E,
137 BCM57712,
138 BCM57712_MF,
139 BCM57800,
140 BCM57800_MF,
141 BCM57810,
142 BCM57810_MF,
143 BCM57840,
144 BCM57840_MF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200145};
146
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700147/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800148static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200149 char *name;
150} board_info[] __devinitdata = {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300151 { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
152 { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
153 { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
154 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
155 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
156 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
157 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
158 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
159 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
160 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
161 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit "
162 "Ethernet Multi Function"}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200163};
164
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300165#ifndef PCI_DEVICE_ID_NX2_57710
166#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
167#endif
168#ifndef PCI_DEVICE_ID_NX2_57711
169#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
170#endif
171#ifndef PCI_DEVICE_ID_NX2_57711E
172#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
173#endif
174#ifndef PCI_DEVICE_ID_NX2_57712
175#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
176#endif
177#ifndef PCI_DEVICE_ID_NX2_57712_MF
178#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
179#endif
180#ifndef PCI_DEVICE_ID_NX2_57800
181#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
182#endif
183#ifndef PCI_DEVICE_ID_NX2_57800_MF
184#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
185#endif
186#ifndef PCI_DEVICE_ID_NX2_57810
187#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
188#endif
189#ifndef PCI_DEVICE_ID_NX2_57810_MF
190#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
191#endif
192#ifndef PCI_DEVICE_ID_NX2_57840
193#define PCI_DEVICE_ID_NX2_57840 CHIP_NUM_57840
194#endif
195#ifndef PCI_DEVICE_ID_NX2_57840_MF
196#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
197#endif
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000198static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000199 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
200 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
201 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000202 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300203 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
204 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
205 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
206 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
207 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
208 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840), BCM57840 },
209 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200210 { 0 }
211};
212
213MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
214
Yuval Mintz452427b2012-03-26 20:47:07 +0000215/* Global resources for unloading a previously loaded device */
216#define BNX2X_PREV_WAIT_NEEDED 1
217static DEFINE_SEMAPHORE(bnx2x_prev_sem);
218static LIST_HEAD(bnx2x_prev_list);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200219/****************************************************************************
220* General service functions
221****************************************************************************/
222
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300223static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
224 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000225{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300226 REG_WR(bp, addr, U64_LO(mapping));
227 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000228}
229
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300230static inline void storm_memset_spq_addr(struct bnx2x *bp,
231 dma_addr_t mapping, u16 abs_fid)
232{
233 u32 addr = XSEM_REG_FAST_MEMORY +
234 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
235
236 __storm_memset_dma_mapping(bp, addr, mapping);
237}
238
239static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
240 u16 pf_id)
241{
242 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
243 pf_id);
244 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
245 pf_id);
246 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
247 pf_id);
248 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
249 pf_id);
250}
251
252static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
253 u8 enable)
254{
255 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
256 enable);
257 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
258 enable);
259 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
260 enable);
261 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
262 enable);
263}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000264
265static inline void storm_memset_eq_data(struct bnx2x *bp,
266 struct event_ring_data *eq_data,
267 u16 pfid)
268{
269 size_t size = sizeof(struct event_ring_data);
270
271 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
272
273 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
274}
275
276static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
277 u16 pfid)
278{
279 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
280 REG_WR16(bp, addr, eq_prod);
281}
282
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200283/* used only at init
284 * locking is done by mcp
285 */
stephen hemminger8d962862010-10-21 07:50:56 +0000286static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200287{
288 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
289 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
290 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
291 PCICFG_VENDOR_ID_OFFSET);
292}
293
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200294static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
295{
296 u32 val;
297
298 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
299 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
300 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
301 PCICFG_VENDOR_ID_OFFSET);
302
303 return val;
304}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200305
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000306#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
307#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
308#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
309#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
310#define DMAE_DP_DST_NONE "dst_addr [none]"
311
stephen hemminger8d962862010-10-21 07:50:56 +0000312static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
313 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000314{
315 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
316
317 switch (dmae->opcode & DMAE_COMMAND_DST) {
318 case DMAE_CMD_DST_PCI:
319 if (src_type == DMAE_CMD_SRC_PCI)
320 DP(msglvl, "DMAE: opcode 0x%08x\n"
321 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
322 "comp_addr [%x:%08x], comp_val 0x%08x\n",
323 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
324 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
325 dmae->comp_addr_hi, dmae->comp_addr_lo,
326 dmae->comp_val);
327 else
328 DP(msglvl, "DMAE: opcode 0x%08x\n"
329 "src [%08x], len [%d*4], dst [%x:%08x]\n"
330 "comp_addr [%x:%08x], comp_val 0x%08x\n",
331 dmae->opcode, dmae->src_addr_lo >> 2,
332 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
333 dmae->comp_addr_hi, dmae->comp_addr_lo,
334 dmae->comp_val);
335 break;
336 case DMAE_CMD_DST_GRC:
337 if (src_type == DMAE_CMD_SRC_PCI)
338 DP(msglvl, "DMAE: opcode 0x%08x\n"
339 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
340 "comp_addr [%x:%08x], comp_val 0x%08x\n",
341 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
342 dmae->len, dmae->dst_addr_lo >> 2,
343 dmae->comp_addr_hi, dmae->comp_addr_lo,
344 dmae->comp_val);
345 else
346 DP(msglvl, "DMAE: opcode 0x%08x\n"
347 "src [%08x], len [%d*4], dst [%08x]\n"
348 "comp_addr [%x:%08x], comp_val 0x%08x\n",
349 dmae->opcode, dmae->src_addr_lo >> 2,
350 dmae->len, dmae->dst_addr_lo >> 2,
351 dmae->comp_addr_hi, dmae->comp_addr_lo,
352 dmae->comp_val);
353 break;
354 default:
355 if (src_type == DMAE_CMD_SRC_PCI)
356 DP(msglvl, "DMAE: opcode 0x%08x\n"
Joe Perchesf1deab52011-08-14 12:16:21 +0000357 "src_addr [%x:%08x] len [%d * 4] dst_addr [none]\n"
358 "comp_addr [%x:%08x] comp_val 0x%08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000359 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
360 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
361 dmae->comp_val);
362 else
363 DP(msglvl, "DMAE: opcode 0x%08x\n"
Joe Perchesf1deab52011-08-14 12:16:21 +0000364 "src_addr [%08x] len [%d * 4] dst_addr [none]\n"
365 "comp_addr [%x:%08x] comp_val 0x%08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000366 dmae->opcode, dmae->src_addr_lo >> 2,
367 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
368 dmae->comp_val);
369 break;
370 }
371
372}
373
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200374/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000375void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200376{
377 u32 cmd_offset;
378 int i;
379
380 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
381 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
382 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200383 }
384 REG_WR(bp, dmae_reg_go_c[idx], 1);
385}
386
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000387u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
388{
389 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
390 DMAE_CMD_C_ENABLE);
391}
392
393u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
394{
395 return opcode & ~DMAE_CMD_SRC_RESET;
396}
397
398u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
399 bool with_comp, u8 comp_type)
400{
401 u32 opcode = 0;
402
403 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
404 (dst_type << DMAE_COMMAND_DST_SHIFT));
405
406 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
407
408 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400409 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
410 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000411 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
412
413#ifdef __BIG_ENDIAN
414 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
415#else
416 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
417#endif
418 if (with_comp)
419 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
420 return opcode;
421}
422
stephen hemminger8d962862010-10-21 07:50:56 +0000423static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
424 struct dmae_command *dmae,
425 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000426{
427 memset(dmae, 0, sizeof(struct dmae_command));
428
429 /* set the opcode */
430 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
431 true, DMAE_COMP_PCI);
432
433 /* fill in the completion parameters */
434 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
435 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
436 dmae->comp_val = DMAE_COMP_VAL;
437}
438
439/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000440static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
441 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000442{
443 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000444 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000445 int rc = 0;
446
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300447 /*
448 * Lock the dmae channel. Disable BHs to prevent a dead-lock
449 * as long as this code is called both from syscall context and
450 * from ndo_set_rx_mode() flow that may be called from BH.
451 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800452 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000453
454 /* reset completion */
455 *wb_comp = 0;
456
457 /* post the command on the channel used for initializations */
458 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
459
460 /* wait for completion */
461 udelay(5);
462 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000463
Ariel Elior95c6c6162012-01-26 06:01:52 +0000464 if (!cnt ||
465 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
466 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000467 BNX2X_ERR("DMAE timeout!\n");
468 rc = DMAE_TIMEOUT;
469 goto unlock;
470 }
471 cnt--;
472 udelay(50);
473 }
474 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
475 BNX2X_ERR("DMAE PCI error!\n");
476 rc = DMAE_PCI_ERROR;
477 }
478
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000479unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800480 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000481 return rc;
482}
483
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700484void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
485 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200486{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000487 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700488
489 if (!bp->dmae_ready) {
490 u32 *data = bnx2x_sp(bp, wb_data[0]);
491
Ariel Elior127a4252012-01-26 06:01:46 +0000492 if (CHIP_IS_E1(bp))
493 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
494 else
495 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700496 return;
497 }
498
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000499 /* set opcode and fixed command fields */
500 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200501
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000502 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000503 dmae.src_addr_lo = U64_LO(dma_addr);
504 dmae.src_addr_hi = U64_HI(dma_addr);
505 dmae.dst_addr_lo = dst_addr >> 2;
506 dmae.dst_addr_hi = 0;
507 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200508
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000509 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200510
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000511 /* issue the command and wait for completion */
512 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200513}
514
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700515void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200516{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000517 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700518
519 if (!bp->dmae_ready) {
520 u32 *data = bnx2x_sp(bp, wb_data[0]);
521 int i;
522
Merav Sicron51c1a582012-03-18 10:33:38 +0000523 if (CHIP_IS_E1(bp))
Ariel Elior127a4252012-01-26 06:01:46 +0000524 for (i = 0; i < len32; i++)
525 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
Merav Sicron51c1a582012-03-18 10:33:38 +0000526 else
Ariel Elior127a4252012-01-26 06:01:46 +0000527 for (i = 0; i < len32; i++)
528 data[i] = REG_RD(bp, src_addr + i*4);
529
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700530 return;
531 }
532
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000533 /* set opcode and fixed command fields */
534 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000536 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000537 dmae.src_addr_lo = src_addr >> 2;
538 dmae.src_addr_hi = 0;
539 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
540 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
541 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200542
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000543 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200544
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000545 /* issue the command and wait for completion */
546 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200547}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200548
stephen hemminger8d962862010-10-21 07:50:56 +0000549static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
550 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000551{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000552 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000553 int offset = 0;
554
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000555 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000556 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000557 addr + offset, dmae_wr_max);
558 offset += dmae_wr_max * 4;
559 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000560 }
561
562 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
563}
564
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700565/* used only for slowpath so not inlined */
566static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
567{
568 u32 wb_write[2];
569
570 wb_write[0] = val_hi;
571 wb_write[1] = val_lo;
572 REG_WR_DMAE(bp, reg, wb_write, 2);
573}
574
575#ifdef USE_WB_RD
576static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
577{
578 u32 wb_data[2];
579
580 REG_RD_DMAE(bp, reg, wb_data, 2);
581
582 return HILO_U64(wb_data[0], wb_data[1]);
583}
584#endif
585
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200586static int bnx2x_mc_assert(struct bnx2x *bp)
587{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200588 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700589 int i, rc = 0;
590 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200591
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700592 /* XSTORM */
593 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
594 XSTORM_ASSERT_LIST_INDEX_OFFSET);
595 if (last_idx)
596 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200597
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700598 /* print the asserts */
599 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200600
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700601 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
602 XSTORM_ASSERT_LIST_OFFSET(i));
603 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
604 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
605 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
606 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
607 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
608 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200609
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700610 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000611 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700612 i, row3, row2, row1, row0);
613 rc++;
614 } else {
615 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200616 }
617 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700618
619 /* TSTORM */
620 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
621 TSTORM_ASSERT_LIST_INDEX_OFFSET);
622 if (last_idx)
623 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
624
625 /* print the asserts */
626 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
627
628 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
629 TSTORM_ASSERT_LIST_OFFSET(i));
630 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
631 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
632 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
633 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
634 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
635 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
636
637 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000638 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700639 i, row3, row2, row1, row0);
640 rc++;
641 } else {
642 break;
643 }
644 }
645
646 /* CSTORM */
647 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
648 CSTORM_ASSERT_LIST_INDEX_OFFSET);
649 if (last_idx)
650 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
651
652 /* print the asserts */
653 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
654
655 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
656 CSTORM_ASSERT_LIST_OFFSET(i));
657 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
658 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
659 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
660 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
661 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
662 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
663
664 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000665 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700666 i, row3, row2, row1, row0);
667 rc++;
668 } else {
669 break;
670 }
671 }
672
673 /* USTORM */
674 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
675 USTORM_ASSERT_LIST_INDEX_OFFSET);
676 if (last_idx)
677 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
678
679 /* print the asserts */
680 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
681
682 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
683 USTORM_ASSERT_LIST_OFFSET(i));
684 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
685 USTORM_ASSERT_LIST_OFFSET(i) + 4);
686 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
687 USTORM_ASSERT_LIST_OFFSET(i) + 8);
688 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
689 USTORM_ASSERT_LIST_OFFSET(i) + 12);
690
691 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000692 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x 0x%08x 0x%08x 0x%08x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700693 i, row3, row2, row1, row0);
694 rc++;
695 } else {
696 break;
697 }
698 }
699
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200700 return rc;
701}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800702
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000703void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200704{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000705 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200706 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000707 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200708 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000709 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000710 if (BP_NOMCP(bp)) {
711 BNX2X_ERR("NO MCP - can not dump\n");
712 return;
713 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000714 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
715 (bp->common.bc_ver & 0xff0000) >> 16,
716 (bp->common.bc_ver & 0xff00) >> 8,
717 (bp->common.bc_ver & 0xff));
718
719 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
720 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
Merav Sicron51c1a582012-03-18 10:33:38 +0000721 BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000722
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000723 if (BP_PATH(bp) == 0)
724 trace_shmem_base = bp->common.shmem_base;
725 else
726 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
Dmitry Kravkovde128802012-03-18 10:33:45 +0000727 addr = trace_shmem_base - 0x800;
728
729 /* validate TRCB signature */
730 mark = REG_RD(bp, addr);
731 if (mark != MFW_TRACE_SIGNATURE) {
732 BNX2X_ERR("Trace buffer signature is missing.");
733 return ;
734 }
735
736 /* read cyclic buffer pointer */
737 addr += 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000738 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000739 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
740 + ((mark + 0x3) & ~0x3) - 0x08000000;
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000741 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200742
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000743 printk("%s", lvl);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000744 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200745 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000746 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200747 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000748 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200749 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000750 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200751 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000752 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200753 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000754 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200755 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000756 printk("%s" "end of fw dump\n", lvl);
757}
758
759static inline void bnx2x_fw_dump(struct bnx2x *bp)
760{
761 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200762}
763
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000764void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200765{
766 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000767 u16 j;
768 struct hc_sp_status_block_data sp_sb_data;
769 int func = BP_FUNC(bp);
770#ifdef BNX2X_STOP_ON_ERROR
771 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000772 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000773#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200774
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700775 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000776 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700777 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
778
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200779 BNX2X_ERR("begin crash dump -----------------\n");
780
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000781 /* Indices */
782 /* Common */
Merav Sicron51c1a582012-03-18 10:33:38 +0000783 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x) spq_prod_idx(0x%x) next_stats_cnt(0x%x)\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300784 bp->def_idx, bp->def_att_idx, bp->attn_state,
785 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000786 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
787 bp->def_status_blk->atten_status_block.attn_bits,
788 bp->def_status_blk->atten_status_block.attn_bits_ack,
789 bp->def_status_blk->atten_status_block.status_block_id,
790 bp->def_status_blk->atten_status_block.attn_bits_index);
791 BNX2X_ERR(" def (");
792 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
793 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000794 bp->def_status_blk->sp_sb.index_values[i],
795 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000796
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000797 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
798 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
799 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
800 i*sizeof(u32));
801
Joe Perchesf1deab52011-08-14 12:16:21 +0000802 pr_cont("igu_sb_id(0x%x) igu_seg_id(0x%x) pf_id(0x%x) vnic_id(0x%x) vf_id(0x%x) vf_valid (0x%x) state(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000803 sp_sb_data.igu_sb_id,
804 sp_sb_data.igu_seg_id,
805 sp_sb_data.p_func.pf_id,
806 sp_sb_data.p_func.vnic_id,
807 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300808 sp_sb_data.p_func.vf_valid,
809 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000810
811
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000812 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000813 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000814 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000815 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000816 struct hc_status_block_data_e1x sb_data_e1x;
817 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300818 CHIP_IS_E1x(bp) ?
819 sb_data_e1x.common.state_machine :
820 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000821 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300822 CHIP_IS_E1x(bp) ?
823 sb_data_e1x.index_data :
824 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000825 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000826 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000827 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000828
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000829 /* Rx */
Merav Sicron51c1a582012-03-18 10:33:38 +0000830 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x) rx_comp_prod(0x%x) rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000831 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000832 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000833 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Merav Sicron51c1a582012-03-18 10:33:38 +0000834 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x) fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000835 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000836 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000837
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000838 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000839 for_each_cos_in_tx_queue(fp, cos)
840 {
841 txdata = fp->txdata[cos];
Merav Sicron51c1a582012-03-18 10:33:38 +0000842 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x) tx_bd_prod(0x%x) tx_bd_cons(0x%x) *tx_cons_sb(0x%x)\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000843 i, txdata.tx_pkt_prod,
844 txdata.tx_pkt_cons, txdata.tx_bd_prod,
845 txdata.tx_bd_cons,
846 le16_to_cpu(*txdata.tx_cons_sb));
847 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000848
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300849 loop = CHIP_IS_E1x(bp) ?
850 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000851
852 /* host sb data */
853
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000854#ifdef BCM_CNIC
855 if (IS_FCOE_FP(fp))
856 continue;
857#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000858 BNX2X_ERR(" run indexes (");
859 for (j = 0; j < HC_SB_MAX_SM; j++)
860 pr_cont("0x%x%s",
861 fp->sb_running_index[j],
862 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
863
864 BNX2X_ERR(" indexes (");
865 for (j = 0; j < loop; j++)
866 pr_cont("0x%x%s",
867 fp->sb_index_values[j],
868 (j == loop - 1) ? ")" : " ");
869 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300870 data_size = CHIP_IS_E1x(bp) ?
871 sizeof(struct hc_status_block_data_e1x) :
872 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000873 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300874 sb_data_p = CHIP_IS_E1x(bp) ?
875 (u32 *)&sb_data_e1x :
876 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000877 /* copy sb data in here */
878 for (j = 0; j < data_size; j++)
879 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
880 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
881 j * sizeof(u32));
882
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300883 if (!CHIP_IS_E1x(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000884 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) vnic_id(0x%x) same_igu_sb_1b(0x%x) state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000885 sb_data_e2.common.p_func.pf_id,
886 sb_data_e2.common.p_func.vf_id,
887 sb_data_e2.common.p_func.vf_valid,
888 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300889 sb_data_e2.common.same_igu_sb_1b,
890 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000891 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +0000892 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) vnic_id(0x%x) same_igu_sb_1b(0x%x) state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000893 sb_data_e1x.common.p_func.pf_id,
894 sb_data_e1x.common.p_func.vf_id,
895 sb_data_e1x.common.p_func.vf_valid,
896 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300897 sb_data_e1x.common.same_igu_sb_1b,
898 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000899 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000900
901 /* SB_SMs data */
902 for (j = 0; j < HC_SB_MAX_SM; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000903 pr_cont("SM[%d] __flags (0x%x) igu_sb_id (0x%x) igu_seg_id(0x%x) time_to_expire (0x%x) timer_value(0x%x)\n",
904 j, hc_sm_p[j].__flags,
905 hc_sm_p[j].igu_sb_id,
906 hc_sm_p[j].igu_seg_id,
907 hc_sm_p[j].time_to_expire,
908 hc_sm_p[j].timer_value);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000909 }
910
911 /* Indecies data */
912 for (j = 0; j < loop; j++) {
Merav Sicron51c1a582012-03-18 10:33:38 +0000913 pr_cont("INDEX[%d] flags (0x%x) timeout (0x%x)\n", j,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000914 hc_index_p[j].flags,
915 hc_index_p[j].timeout);
916 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000917 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200918
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000919#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000920 /* Rings */
921 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000922 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000923 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200924
925 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
926 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000927 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200928 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
929 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
930
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000931 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +0000932 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200933 }
934
Eilon Greenstein3196a882008-08-13 15:58:49 -0700935 start = RX_SGE(fp->rx_sge_prod);
936 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000937 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700938 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
939 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
940
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000941 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
942 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700943 }
944
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200945 start = RCQ_BD(fp->rx_comp_cons - 10);
946 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000947 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200948 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
949
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000950 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
951 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200952 }
953 }
954
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000955 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000956 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000957 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +0000958 for_each_cos_in_tx_queue(fp, cos) {
959 struct bnx2x_fp_txdata *txdata = &fp->txdata[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000960
Ariel Elior6383c0b2011-07-14 08:31:57 +0000961 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
962 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
963 for (j = start; j != end; j = TX_BD(j + 1)) {
964 struct sw_tx_bd *sw_bd =
965 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000966
Merav Sicron51c1a582012-03-18 10:33:38 +0000967 BNX2X_ERR("fp%d: txdata %d, packet[%x]=[%p,%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000968 i, cos, j, sw_bd->skb,
969 sw_bd->first_bd);
970 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000971
Ariel Elior6383c0b2011-07-14 08:31:57 +0000972 start = TX_BD(txdata->tx_bd_cons - 10);
973 end = TX_BD(txdata->tx_bd_cons + 254);
974 for (j = start; j != end; j = TX_BD(j + 1)) {
975 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000976
Merav Sicron51c1a582012-03-18 10:33:38 +0000977 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]=[%x:%x:%x:%x]\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +0000978 i, cos, j, tx_bd[0], tx_bd[1],
979 tx_bd[2], tx_bd[3]);
980 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000981 }
982 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000983#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700984 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200985 bnx2x_mc_assert(bp);
986 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200987}
988
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300989/*
990 * FLR Support for E2
991 *
992 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
993 * initialization.
994 */
995#define FLR_WAIT_USEC 10000 /* 10 miliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +0000996#define FLR_WAIT_INTERVAL 50 /* usec */
997#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300998
999struct pbf_pN_buf_regs {
1000 int pN;
1001 u32 init_crd;
1002 u32 crd;
1003 u32 crd_freed;
1004};
1005
1006struct pbf_pN_cmd_regs {
1007 int pN;
1008 u32 lines_occup;
1009 u32 lines_freed;
1010};
1011
1012static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
1013 struct pbf_pN_buf_regs *regs,
1014 u32 poll_count)
1015{
1016 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
1017 u32 cur_cnt = poll_count;
1018
1019 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
1020 crd = crd_start = REG_RD(bp, regs->crd);
1021 init_crd = REG_RD(bp, regs->init_crd);
1022
1023 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
1024 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
1025 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
1026
1027 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
1028 (init_crd - crd_start))) {
1029 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001030 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001031 crd = REG_RD(bp, regs->crd);
1032 crd_freed = REG_RD(bp, regs->crd_freed);
1033 } else {
1034 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
1035 regs->pN);
1036 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
1037 regs->pN, crd);
1038 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
1039 regs->pN, crd_freed);
1040 break;
1041 }
1042 }
1043 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001044 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001045}
1046
1047static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
1048 struct pbf_pN_cmd_regs *regs,
1049 u32 poll_count)
1050{
1051 u32 occup, to_free, freed, freed_start;
1052 u32 cur_cnt = poll_count;
1053
1054 occup = to_free = REG_RD(bp, regs->lines_occup);
1055 freed = freed_start = REG_RD(bp, regs->lines_freed);
1056
1057 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
1058 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
1059
1060 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1061 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001062 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001063 occup = REG_RD(bp, regs->lines_occup);
1064 freed = REG_RD(bp, regs->lines_freed);
1065 } else {
1066 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1067 regs->pN);
1068 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
1069 regs->pN, occup);
1070 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1071 regs->pN, freed);
1072 break;
1073 }
1074 }
1075 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001076 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001077}
1078
1079static inline u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1080 u32 expected, u32 poll_count)
1081{
1082 u32 cur_cnt = poll_count;
1083 u32 val;
1084
1085 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001086 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001087
1088 return val;
1089}
1090
1091static inline int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1092 char *msg, u32 poll_cnt)
1093{
1094 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1095 if (val != 0) {
1096 BNX2X_ERR("%s usage count=%d\n", msg, val);
1097 return 1;
1098 }
1099 return 0;
1100}
1101
1102static u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
1103{
1104 /* adjust polling timeout */
1105 if (CHIP_REV_IS_EMUL(bp))
1106 return FLR_POLL_CNT * 2000;
1107
1108 if (CHIP_REV_IS_FPGA(bp))
1109 return FLR_POLL_CNT * 120;
1110
1111 return FLR_POLL_CNT;
1112}
1113
1114static void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
1115{
1116 struct pbf_pN_cmd_regs cmd_regs[] = {
1117 {0, (CHIP_IS_E3B0(bp)) ?
1118 PBF_REG_TQ_OCCUPANCY_Q0 :
1119 PBF_REG_P0_TQ_OCCUPANCY,
1120 (CHIP_IS_E3B0(bp)) ?
1121 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1122 PBF_REG_P0_TQ_LINES_FREED_CNT},
1123 {1, (CHIP_IS_E3B0(bp)) ?
1124 PBF_REG_TQ_OCCUPANCY_Q1 :
1125 PBF_REG_P1_TQ_OCCUPANCY,
1126 (CHIP_IS_E3B0(bp)) ?
1127 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1128 PBF_REG_P1_TQ_LINES_FREED_CNT},
1129 {4, (CHIP_IS_E3B0(bp)) ?
1130 PBF_REG_TQ_OCCUPANCY_LB_Q :
1131 PBF_REG_P4_TQ_OCCUPANCY,
1132 (CHIP_IS_E3B0(bp)) ?
1133 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1134 PBF_REG_P4_TQ_LINES_FREED_CNT}
1135 };
1136
1137 struct pbf_pN_buf_regs buf_regs[] = {
1138 {0, (CHIP_IS_E3B0(bp)) ?
1139 PBF_REG_INIT_CRD_Q0 :
1140 PBF_REG_P0_INIT_CRD ,
1141 (CHIP_IS_E3B0(bp)) ?
1142 PBF_REG_CREDIT_Q0 :
1143 PBF_REG_P0_CREDIT,
1144 (CHIP_IS_E3B0(bp)) ?
1145 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1146 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1147 {1, (CHIP_IS_E3B0(bp)) ?
1148 PBF_REG_INIT_CRD_Q1 :
1149 PBF_REG_P1_INIT_CRD,
1150 (CHIP_IS_E3B0(bp)) ?
1151 PBF_REG_CREDIT_Q1 :
1152 PBF_REG_P1_CREDIT,
1153 (CHIP_IS_E3B0(bp)) ?
1154 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1155 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1156 {4, (CHIP_IS_E3B0(bp)) ?
1157 PBF_REG_INIT_CRD_LB_Q :
1158 PBF_REG_P4_INIT_CRD,
1159 (CHIP_IS_E3B0(bp)) ?
1160 PBF_REG_CREDIT_LB_Q :
1161 PBF_REG_P4_CREDIT,
1162 (CHIP_IS_E3B0(bp)) ?
1163 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1164 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1165 };
1166
1167 int i;
1168
1169 /* Verify the command queues are flushed P0, P1, P4 */
1170 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1171 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1172
1173
1174 /* Verify the transmission buffers are flushed P0, P1, P4 */
1175 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1176 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1177}
1178
1179#define OP_GEN_PARAM(param) \
1180 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1181
1182#define OP_GEN_TYPE(type) \
1183 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1184
1185#define OP_GEN_AGG_VECT(index) \
1186 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1187
1188
1189static inline int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
1190 u32 poll_cnt)
1191{
1192 struct sdm_op_gen op_gen = {0};
1193
1194 u32 comp_addr = BAR_CSTRORM_INTMEM +
1195 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1196 int ret = 0;
1197
1198 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001199 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001200 return 1;
1201 }
1202
1203 op_gen.command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1204 op_gen.command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1205 op_gen.command |= OP_GEN_AGG_VECT(clnup_func);
1206 op_gen.command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
1207
Ariel Elior89db4ad2012-01-26 06:01:48 +00001208 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001209 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen.command);
1210
1211 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1212 BNX2X_ERR("FW final cleanup did not succeed\n");
Merav Sicron51c1a582012-03-18 10:33:38 +00001213 DP(BNX2X_MSG_SP, "At timeout completion address contained %x\n",
1214 (REG_RD(bp, comp_addr)));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001215 ret = 1;
1216 }
1217 /* Zero completion for nxt FLR */
1218 REG_WR(bp, comp_addr, 0);
1219
1220 return ret;
1221}
1222
1223static inline u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
1224{
1225 int pos;
1226 u16 status;
1227
Jon Mason77c98e62011-06-27 07:45:12 +00001228 pos = pci_pcie_cap(dev);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001229 if (!pos)
1230 return false;
1231
1232 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
1233 return status & PCI_EXP_DEVSTA_TRPND;
1234}
1235
1236/* PF FLR specific routines
1237*/
1238static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1239{
1240
1241 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1242 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1243 CFC_REG_NUM_LCIDS_INSIDE_PF,
1244 "CFC PF usage counter timed out",
1245 poll_cnt))
1246 return 1;
1247
1248
1249 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1250 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1251 DORQ_REG_PF_USAGE_CNT,
1252 "DQ PF usage counter timed out",
1253 poll_cnt))
1254 return 1;
1255
1256 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1257 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1258 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1259 "QM PF usage counter timed out",
1260 poll_cnt))
1261 return 1;
1262
1263 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1264 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1265 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1266 "Timers VNIC usage counter timed out",
1267 poll_cnt))
1268 return 1;
1269 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1270 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1271 "Timers NUM_SCANS usage counter timed out",
1272 poll_cnt))
1273 return 1;
1274
1275 /* Wait DMAE PF usage counter to zero */
1276 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1277 dmae_reg_go_c[INIT_DMAE_C(bp)],
1278 "DMAE dommand register timed out",
1279 poll_cnt))
1280 return 1;
1281
1282 return 0;
1283}
1284
1285static void bnx2x_hw_enable_status(struct bnx2x *bp)
1286{
1287 u32 val;
1288
1289 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1290 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1291
1292 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1293 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1294
1295 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1296 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1297
1298 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1299 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1300
1301 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1302 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1303
1304 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1305 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1306
1307 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1308 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1309
1310 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1311 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1312 val);
1313}
1314
1315static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1316{
1317 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1318
1319 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1320
1321 /* Re-enable PF target read access */
1322 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1323
1324 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001325 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001326 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1327 return -EBUSY;
1328
1329 /* Zero the igu 'trailing edge' and 'leading edge' */
1330
1331 /* Send the FW cleanup command */
1332 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1333 return -EBUSY;
1334
1335 /* ATC cleanup */
1336
1337 /* Verify TX hw is flushed */
1338 bnx2x_tx_hw_flushed(bp, poll_cnt);
1339
1340 /* Wait 100ms (not adjusted according to platform) */
1341 msleep(100);
1342
1343 /* Verify no pending pci transactions */
1344 if (bnx2x_is_pcie_pending(bp->pdev))
1345 BNX2X_ERR("PCIE Transactions still pending\n");
1346
1347 /* Debug */
1348 bnx2x_hw_enable_status(bp);
1349
1350 /*
1351 * Master enable - Due to WB DMAE writes performed before this
1352 * register is re-initialized as part of the regular function init
1353 */
1354 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1355
1356 return 0;
1357}
1358
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001359static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001360{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001361 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001362 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1363 u32 val = REG_RD(bp, addr);
1364 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001365 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001366
1367 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001368 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1369 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001370 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1371 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001372 } else if (msi) {
1373 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1374 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1375 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1376 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001377 } else {
1378 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001379 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001380 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1381 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001382
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001383 if (!CHIP_IS_E1(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001384 DP(NETIF_MSG_IFUP,
1385 "write %x to HC %d (addr 0x%x)\n", val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001386
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001387 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001388
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001389 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1390 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001391 }
1392
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001393 if (CHIP_IS_E1(bp))
1394 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1395
Merav Sicron51c1a582012-03-18 10:33:38 +00001396 DP(NETIF_MSG_IFUP,
1397 "write %x to HC %d (addr 0x%x) mode %s\n", val, port, addr,
1398 (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001399
1400 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001401 /*
1402 * Ensure that HC_CONFIG is written before leading/trailing edge config
1403 */
1404 mmiowb();
1405 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001406
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001407 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001408 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001409 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001410 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001411 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001412 /* enable nig and gpio3 attention */
1413 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001414 } else
1415 val = 0xffff;
1416
1417 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1418 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1419 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001420
1421 /* Make sure that interrupts are indeed enabled from here on */
1422 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001423}
1424
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001425static void bnx2x_igu_int_enable(struct bnx2x *bp)
1426{
1427 u32 val;
1428 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1429 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1430
1431 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1432
1433 if (msix) {
1434 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1435 IGU_PF_CONF_SINGLE_ISR_EN);
1436 val |= (IGU_PF_CONF_FUNC_EN |
1437 IGU_PF_CONF_MSI_MSIX_EN |
1438 IGU_PF_CONF_ATTN_BIT_EN);
1439 } else if (msi) {
1440 val &= ~IGU_PF_CONF_INT_LINE_EN;
1441 val |= (IGU_PF_CONF_FUNC_EN |
1442 IGU_PF_CONF_MSI_MSIX_EN |
1443 IGU_PF_CONF_ATTN_BIT_EN |
1444 IGU_PF_CONF_SINGLE_ISR_EN);
1445 } else {
1446 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1447 val |= (IGU_PF_CONF_FUNC_EN |
1448 IGU_PF_CONF_INT_LINE_EN |
1449 IGU_PF_CONF_ATTN_BIT_EN |
1450 IGU_PF_CONF_SINGLE_ISR_EN);
1451 }
1452
Merav Sicron51c1a582012-03-18 10:33:38 +00001453 DP(NETIF_MSG_IFUP, "write 0x%x to IGU mode %s\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001454 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1455
1456 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1457
1458 barrier();
1459
1460 /* init leading/trailing edge */
1461 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001462 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001463 if (bp->port.pmf)
1464 /* enable nig and gpio3 attention */
1465 val |= 0x1100;
1466 } else
1467 val = 0xffff;
1468
1469 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1470 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1471
1472 /* Make sure that interrupts are indeed enabled from here on */
1473 mmiowb();
1474}
1475
1476void bnx2x_int_enable(struct bnx2x *bp)
1477{
1478 if (bp->common.int_block == INT_BLOCK_HC)
1479 bnx2x_hc_int_enable(bp);
1480 else
1481 bnx2x_igu_int_enable(bp);
1482}
1483
1484static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001485{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001486 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001487 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1488 u32 val = REG_RD(bp, addr);
1489
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001490 /*
1491 * in E1 we must use only PCI configuration space to disable
1492 * MSI/MSIX capablility
1493 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1494 */
1495 if (CHIP_IS_E1(bp)) {
1496 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1497 * Use mask register to prevent from HC sending interrupts
1498 * after we exit the function
1499 */
1500 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1501
1502 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1503 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1504 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1505 } else
1506 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1507 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1508 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1509 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001510
Merav Sicron51c1a582012-03-18 10:33:38 +00001511 DP(NETIF_MSG_IFDOWN,
1512 "write %x to HC %d (addr 0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001513 val, port, addr);
1514
Eilon Greenstein8badd272009-02-12 08:36:15 +00001515 /* flush all outstanding writes */
1516 mmiowb();
1517
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001518 REG_WR(bp, addr, val);
1519 if (REG_RD(bp, addr) != val)
1520 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1521}
1522
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001523static void bnx2x_igu_int_disable(struct bnx2x *bp)
1524{
1525 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1526
1527 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1528 IGU_PF_CONF_INT_LINE_EN |
1529 IGU_PF_CONF_ATTN_BIT_EN);
1530
Merav Sicron51c1a582012-03-18 10:33:38 +00001531 DP(NETIF_MSG_IFDOWN, "write %x to IGU\n", val);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001532
1533 /* flush all outstanding writes */
1534 mmiowb();
1535
1536 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1537 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1538 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1539}
1540
Ariel Elior6383c0b2011-07-14 08:31:57 +00001541void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001542{
1543 if (bp->common.int_block == INT_BLOCK_HC)
1544 bnx2x_hc_int_disable(bp);
1545 else
1546 bnx2x_igu_int_disable(bp);
1547}
1548
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001549void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001550{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001551 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001552 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001553
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001554 if (disable_hw)
1555 /* prevent the HW from sending interrupts */
1556 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001557
1558 /* make sure all ISRs are done */
1559 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001560 synchronize_irq(bp->msix_table[0].vector);
1561 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001562#ifdef BCM_CNIC
1563 offset++;
1564#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001565 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001566 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001567 } else
1568 synchronize_irq(bp->pdev->irq);
1569
1570 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001571 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001572 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001573 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001574}
1575
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001576/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001577
1578/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001579 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001580 */
1581
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001582/* Return true if succeeded to acquire the lock */
1583static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1584{
1585 u32 lock_status;
1586 u32 resource_bit = (1 << resource);
1587 int func = BP_FUNC(bp);
1588 u32 hw_lock_control_reg;
1589
Merav Sicron51c1a582012-03-18 10:33:38 +00001590 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1591 "Trying to take a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001592
1593 /* Validating that the resource is within range */
1594 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001595 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001596 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1597 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001598 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001599 }
1600
1601 if (func <= 5)
1602 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1603 else
1604 hw_lock_control_reg =
1605 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1606
1607 /* Try to acquire the lock */
1608 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1609 lock_status = REG_RD(bp, hw_lock_control_reg);
1610 if (lock_status & resource_bit)
1611 return true;
1612
Merav Sicron51c1a582012-03-18 10:33:38 +00001613 DP(NETIF_MSG_HW | NETIF_MSG_IFUP,
1614 "Failed to get a lock on resource %d\n", resource);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001615 return false;
1616}
1617
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001618/**
1619 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1620 *
1621 * @bp: driver handle
1622 *
1623 * Returns the recovery leader resource id according to the engine this function
1624 * belongs to. Currently only only 2 engines is supported.
1625 */
1626static inline int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
1627{
1628 if (BP_PATH(bp))
1629 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1630 else
1631 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1632}
1633
1634/**
1635 * bnx2x_trylock_leader_lock- try to aquire a leader lock.
1636 *
1637 * @bp: driver handle
1638 *
1639 * Tries to aquire a leader lock for cuurent engine.
1640 */
1641static inline bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
1642{
1643 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1644}
1645
Michael Chan993ac7b2009-10-10 13:46:56 +00001646#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001647static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Michael Chan993ac7b2009-10-10 13:46:56 +00001648#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001649
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001650void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001651{
1652 struct bnx2x *bp = fp->bp;
1653 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1654 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001655 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
1656 struct bnx2x_queue_sp_obj *q_obj = &fp->q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001657
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001658 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001659 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001660 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001661 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001662
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001663 switch (command) {
1664 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001665 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001666 drv_cmd = BNX2X_Q_CMD_UPDATE;
1667 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001668
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001669 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001670 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001671 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001672 break;
1673
Ariel Elior6383c0b2011-07-14 08:31:57 +00001674 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
Merav Sicron51c1a582012-03-18 10:33:38 +00001675 DP(BNX2X_MSG_SP, "got MULTI[%d] tx-only setup ramrod\n", cid);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001676 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1677 break;
1678
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001679 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001680 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001681 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001682 break;
1683
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001684 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001685 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001686 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1687 break;
1688
1689 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001690 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001691 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001692 break;
1693
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001694 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001695 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1696 command, fp->index);
1697 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001698 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001699
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001700 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1701 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1702 /* q_obj->complete_cmd() failure means that this was
1703 * an unexpected completion.
1704 *
1705 * In this case we don't want to increase the bp->spq_left
1706 * because apparently we haven't sent this command the first
1707 * place.
1708 */
1709#ifdef BNX2X_STOP_ON_ERROR
1710 bnx2x_panic();
1711#else
1712 return;
1713#endif
1714
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001715 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001716 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001717 /* push the change in bp->spq_left and towards the memory */
1718 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001719
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001720 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1721
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001722 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001723}
1724
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001725void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1726 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod)
1727{
1728 u32 start = BAR_USTRORM_INTMEM + fp->ustorm_rx_prods_offset;
1729
1730 bnx2x_update_rx_prod_gen(bp, fp, bd_prod, rx_comp_prod, rx_sge_prod,
1731 start);
1732}
1733
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001734irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001735{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001736 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001737 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001738 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001739 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001740 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001741
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001742 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001743 if (unlikely(status == 0)) {
1744 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1745 return IRQ_NONE;
1746 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001747 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001748
Eilon Greenstein3196a882008-08-13 15:58:49 -07001749#ifdef BNX2X_STOP_ON_ERROR
1750 if (unlikely(bp->panic))
1751 return IRQ_HANDLED;
1752#endif
1753
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001754 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001755 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001756
Ariel Elior6383c0b2011-07-14 08:31:57 +00001757 mask = 0x2 << (fp->index + CNIC_PRESENT);
Eilon Greensteinca003922009-08-12 22:53:28 -07001758 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001759 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001760 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001761 for_each_cos_in_tx_queue(fp, cos)
1762 prefetch(fp->txdata[cos].tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001763 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001764 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001765 status &= ~mask;
1766 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001767 }
1768
Michael Chan993ac7b2009-10-10 13:46:56 +00001769#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001770 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001771 if (status & (mask | 0x1)) {
1772 struct cnic_ops *c_ops = NULL;
1773
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001774 if (likely(bp->state == BNX2X_STATE_OPEN)) {
1775 rcu_read_lock();
1776 c_ops = rcu_dereference(bp->cnic_ops);
1777 if (c_ops)
1778 c_ops->cnic_handler(bp->cnic_data, NULL);
1779 rcu_read_unlock();
1780 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001781
1782 status &= ~mask;
1783 }
1784#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001785
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001786 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001787 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001788
1789 status &= ~0x1;
1790 if (!status)
1791 return IRQ_HANDLED;
1792 }
1793
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001794 if (unlikely(status))
1795 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001796 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001797
1798 return IRQ_HANDLED;
1799}
1800
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001801/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001802
1803/*
1804 * General service functions
1805 */
1806
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001807int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001808{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001809 u32 lock_status;
1810 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001811 int func = BP_FUNC(bp);
1812 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001813 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001814
1815 /* Validating that the resource is within range */
1816 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001817 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001818 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1819 return -EINVAL;
1820 }
1821
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001822 if (func <= 5) {
1823 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1824 } else {
1825 hw_lock_control_reg =
1826 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1827 }
1828
Eliezer Tamirf1410642008-02-28 11:51:50 -08001829 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001830 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001831 if (lock_status & resource_bit) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001832 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001833 lock_status, resource_bit);
1834 return -EEXIST;
1835 }
1836
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001837 /* Try for 5 second every 5ms */
1838 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001839 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001840 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1841 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001842 if (lock_status & resource_bit)
1843 return 0;
1844
1845 msleep(5);
1846 }
Merav Sicron51c1a582012-03-18 10:33:38 +00001847 BNX2X_ERR("Timeout\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08001848 return -EAGAIN;
1849}
1850
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001851int bnx2x_release_leader_lock(struct bnx2x *bp)
1852{
1853 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1854}
1855
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001856int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001857{
1858 u32 lock_status;
1859 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001860 int func = BP_FUNC(bp);
1861 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001862
1863 /* Validating that the resource is within range */
1864 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001865 BNX2X_ERR("resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001866 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1867 return -EINVAL;
1868 }
1869
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001870 if (func <= 5) {
1871 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1872 } else {
1873 hw_lock_control_reg =
1874 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1875 }
1876
Eliezer Tamirf1410642008-02-28 11:51:50 -08001877 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001878 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001879 if (!(lock_status & resource_bit)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00001880 BNX2X_ERR("lock_status 0x%x resource_bit 0x%x. unlock was called but lock wasn't taken!\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001881 lock_status, resource_bit);
1882 return -EFAULT;
1883 }
1884
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001885 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001886 return 0;
1887}
1888
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001889
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001890int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1891{
1892 /* The GPIO should be swapped if swap register is set and active */
1893 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1894 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1895 int gpio_shift = gpio_num +
1896 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1897 u32 gpio_mask = (1 << gpio_shift);
1898 u32 gpio_reg;
1899 int value;
1900
1901 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1902 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1903 return -EINVAL;
1904 }
1905
1906 /* read GPIO value */
1907 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1908
1909 /* get the requested pin value */
1910 if ((gpio_reg & gpio_mask) == gpio_mask)
1911 value = 1;
1912 else
1913 value = 0;
1914
1915 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1916
1917 return value;
1918}
1919
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001920int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001921{
1922 /* The GPIO should be swapped if swap register is set and active */
1923 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001924 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001925 int gpio_shift = gpio_num +
1926 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1927 u32 gpio_mask = (1 << gpio_shift);
1928 u32 gpio_reg;
1929
1930 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1931 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1932 return -EINVAL;
1933 }
1934
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001935 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001936 /* read GPIO and mask except the float bits */
1937 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1938
1939 switch (mode) {
1940 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00001941 DP(NETIF_MSG_LINK,
1942 "Set GPIO %d (shift %d) -> output low\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001943 gpio_num, gpio_shift);
1944 /* clear FLOAT and set CLR */
1945 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1946 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1947 break;
1948
1949 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00001950 DP(NETIF_MSG_LINK,
1951 "Set GPIO %d (shift %d) -> output high\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001952 gpio_num, gpio_shift);
1953 /* clear FLOAT and set SET */
1954 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1955 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1956 break;
1957
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001958 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00001959 DP(NETIF_MSG_LINK,
1960 "Set GPIO %d (shift %d) -> input\n",
Eliezer Tamirf1410642008-02-28 11:51:50 -08001961 gpio_num, gpio_shift);
1962 /* set FLOAT */
1963 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1964 break;
1965
1966 default:
1967 break;
1968 }
1969
1970 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001971 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001972
1973 return 0;
1974}
1975
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00001976int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
1977{
1978 u32 gpio_reg = 0;
1979 int rc = 0;
1980
1981 /* Any port swapping should be handled by caller. */
1982
1983 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1984 /* read GPIO and mask except the float bits */
1985 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1986 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
1987 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
1988 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
1989
1990 switch (mode) {
1991 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1992 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
1993 /* set CLR */
1994 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
1995 break;
1996
1997 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1998 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
1999 /* set SET */
2000 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
2001 break;
2002
2003 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
2004 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
2005 /* set FLOAT */
2006 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2007 break;
2008
2009 default:
2010 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
2011 rc = -EINVAL;
2012 break;
2013 }
2014
2015 if (rc == 0)
2016 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
2017
2018 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2019
2020 return rc;
2021}
2022
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002023int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
2024{
2025 /* The GPIO should be swapped if swap register is set and active */
2026 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2027 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2028 int gpio_shift = gpio_num +
2029 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2030 u32 gpio_mask = (1 << gpio_shift);
2031 u32 gpio_reg;
2032
2033 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2034 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2035 return -EINVAL;
2036 }
2037
2038 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2039 /* read GPIO int */
2040 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2041
2042 switch (mode) {
2043 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
Merav Sicron51c1a582012-03-18 10:33:38 +00002044 DP(NETIF_MSG_LINK,
2045 "Clear GPIO INT %d (shift %d) -> output low\n",
2046 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002047 /* clear SET and set CLR */
2048 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2049 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2050 break;
2051
2052 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
Merav Sicron51c1a582012-03-18 10:33:38 +00002053 DP(NETIF_MSG_LINK,
2054 "Set GPIO INT %d (shift %d) -> output high\n",
2055 gpio_num, gpio_shift);
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002056 /* clear CLR and set SET */
2057 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2058 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2059 break;
2060
2061 default:
2062 break;
2063 }
2064
2065 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2066 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2067
2068 return 0;
2069}
2070
Eliezer Tamirf1410642008-02-28 11:51:50 -08002071static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
2072{
2073 u32 spio_mask = (1 << spio_num);
2074 u32 spio_reg;
2075
2076 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
2077 (spio_num > MISC_REGISTERS_SPIO_7)) {
2078 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
2079 return -EINVAL;
2080 }
2081
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002082 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002083 /* read SPIO and mask except the float bits */
2084 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
2085
2086 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07002087 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Merav Sicron51c1a582012-03-18 10:33:38 +00002088 DP(NETIF_MSG_HW, "Set SPIO %d -> output low\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002089 /* clear FLOAT and set CLR */
2090 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2091 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
2092 break;
2093
Eilon Greenstein6378c022008-08-13 15:59:25 -07002094 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Merav Sicron51c1a582012-03-18 10:33:38 +00002095 DP(NETIF_MSG_HW, "Set SPIO %d -> output high\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002096 /* clear FLOAT and set SET */
2097 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2098 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
2099 break;
2100
2101 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
Merav Sicron51c1a582012-03-18 10:33:38 +00002102 DP(NETIF_MSG_HW, "Set SPIO %d -> input\n", spio_num);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002103 /* set FLOAT */
2104 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2105 break;
2106
2107 default:
2108 break;
2109 }
2110
2111 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002112 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002113
2114 return 0;
2115}
2116
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002117void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002118{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002119 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002120 switch (bp->link_vars.ieee_fc &
2121 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002122 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002123 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002124 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002125 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002126
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002127 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002128 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002129 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002130 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002131
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002132 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002133 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002134 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002135
Eliezer Tamirf1410642008-02-28 11:51:50 -08002136 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002137 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002138 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002139 break;
2140 }
2141}
2142
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002143u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002144{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002145 if (!BP_NOMCP(bp)) {
2146 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002147 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
2148 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002149 /*
2150 * Initialize link parameters structure variables
2151 * It is recommended to turn off RX FC for jumbo frames
2152 * for better performance
2153 */
2154 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08002155 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002156 else
David S. Millerc0700f92008-12-16 23:53:20 -08002157 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002158
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002159 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002160
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002161 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002162 struct link_params *lp = &bp->link_params;
2163 lp->loopback_mode = LOOPBACK_XGXS;
2164 /* do PHY loopback at 10G speed, if possible */
2165 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2166 if (lp->speed_cap_mask[cfx_idx] &
2167 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2168 lp->req_line_speed[cfx_idx] =
2169 SPEED_10000;
2170 else
2171 lp->req_line_speed[cfx_idx] =
2172 SPEED_1000;
2173 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002174 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002175
Eilon Greenstein19680c42008-08-13 15:47:33 -07002176 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002177
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002178 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002179
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002180 bnx2x_calc_fc_adv(bp);
2181
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002182 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
2183 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002184 bnx2x_link_report(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002185 } else
2186 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002187 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002188 return rc;
2189 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002190 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002191 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002192}
2193
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002194void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002195{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002196 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002197 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00002198 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002199 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002200 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002201
Eilon Greenstein19680c42008-08-13 15:47:33 -07002202 bnx2x_calc_fc_adv(bp);
2203 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002204 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002205}
2206
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002207static void bnx2x__link_reset(struct bnx2x *bp)
2208{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002209 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002210 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002211 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002212 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002213 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002214 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002215}
2216
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002217u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002218{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002219 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002220
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002221 if (!BP_NOMCP(bp)) {
2222 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002223 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2224 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002225 bnx2x_release_phy_lock(bp);
2226 } else
2227 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002228
2229 return rc;
2230}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002231
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002232static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002233{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002234 u32 r_param = bp->link_vars.line_speed / 8;
2235 u32 fair_periodic_timeout_usec;
2236 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002237
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002238 memset(&(bp->cmng.rs_vars), 0,
2239 sizeof(struct rate_shaping_vars_per_port));
2240 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002241
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002242 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2243 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002244
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002245 /* this is the threshold below which no timer arming will occur
2246 1.25 coefficient is for the threshold to be a little bigger
2247 than the real time, to compensate for timer in-accuracy */
2248 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002249 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2250
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002251 /* resolution of fairness timer */
2252 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2253 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2254 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002255
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002256 /* this is the threshold below which we won't arm the timer anymore */
2257 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002258
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002259 /* we multiply by 1e3/8 to get bytes/msec.
2260 We don't want the credits to pass a credit
2261 of the t_fair*FAIR_MEM (algorithm resolution) */
2262 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
2263 /* since each tick is 4 usec */
2264 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002265}
2266
Eilon Greenstein2691d512009-08-12 08:22:08 +00002267/* Calculates the sum of vn_min_rates.
2268 It's needed for further normalizing of the min_rates.
2269 Returns:
2270 sum of vn_min_rates.
2271 or
2272 0 - if all the min_rates are 0.
2273 In the later case fainess algorithm should be deactivated.
2274 If not all min_rates are zero then those that are zeroes will be set to 1.
2275 */
2276static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
2277{
2278 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002279 int vn;
2280
2281 bp->vn_weight_sum = 0;
David S. Miller8decf862011-09-22 03:23:13 -04002282 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002283 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002284 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2285 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2286
2287 /* Skip hidden vns */
2288 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
2289 continue;
2290
2291 /* If min rate is zero - set it to 1 */
2292 if (!vn_min_rate)
2293 vn_min_rate = DEF_MIN_RATE;
2294 else
2295 all_zero = 0;
2296
2297 bp->vn_weight_sum += vn_min_rate;
2298 }
2299
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002300 /* if ETS or all min rates are zeros - disable fairness */
2301 if (BNX2X_IS_ETS_ENABLED(bp)) {
2302 bp->cmng.flags.cmng_enables &=
2303 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2304 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2305 } else if (all_zero) {
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002306 bp->cmng.flags.cmng_enables &=
2307 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2308 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2309 " fairness will be disabled\n");
2310 } else
2311 bp->cmng.flags.cmng_enables |=
2312 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002313}
2314
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002315static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002316{
2317 struct rate_shaping_vars_per_vn m_rs_vn;
2318 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002319 u32 vn_cfg = bp->mf_config[vn];
David S. Miller8decf862011-09-22 03:23:13 -04002320 int func = func_by_vn(bp, vn);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002321 u16 vn_min_rate, vn_max_rate;
2322 int i;
2323
2324 /* If function is hidden - set min and max to zeroes */
2325 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2326 vn_min_rate = 0;
2327 vn_max_rate = 0;
2328
2329 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002330 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2331
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002332 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2333 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002334 /* If fairness is enabled (not all min rates are zeroes) and
2335 if current min rate is zero - set it to 1.
2336 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002337 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002338 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002339
2340 if (IS_MF_SI(bp))
2341 /* maxCfg in percents of linkspeed */
2342 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
2343 else
2344 /* maxCfg is absolute in 100Mb units */
2345 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002346 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002347
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002348 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002349 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002350 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002351
2352 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2353 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2354
2355 /* global vn counter - maximal Mbps for this vn */
2356 m_rs_vn.vn_counter.rate = vn_max_rate;
2357
2358 /* quota - number of bytes transmitted in this period */
2359 m_rs_vn.vn_counter.quota =
2360 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2361
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002362 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002363 /* credit for each period of the fairness algorithm:
2364 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002365 vn_weight_sum should not be larger than 10000, thus
2366 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2367 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002368 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002369 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2370 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00002371 (bp->cmng.fair_vars.fair_threshold +
2372 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002373 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002374 m_fair_vn.vn_credit_delta);
2375 }
2376
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002377 /* Store it to internal memory */
2378 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2379 REG_WR(bp, BAR_XSTRORM_INTMEM +
2380 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2381 ((u32 *)(&m_rs_vn))[i]);
2382
2383 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2384 REG_WR(bp, BAR_XSTRORM_INTMEM +
2385 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2386 ((u32 *)(&m_fair_vn))[i]);
2387}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002388
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002389static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2390{
2391 if (CHIP_REV_IS_SLOW(bp))
2392 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002393 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002394 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002395
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002396 return CMNG_FNS_NONE;
2397}
2398
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002399void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002400{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002401 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002402
2403 if (BP_NOMCP(bp))
2404 return; /* what should be the default bvalue in this case */
2405
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002406 /* For 2 port configuration the absolute function number formula
2407 * is:
2408 * abs_func = 2 * vn + BP_PORT + BP_PATH
2409 *
2410 * and there are 4 functions per port
2411 *
2412 * For 4 port configuration it is
2413 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2414 *
2415 * and there are 2 functions per port
2416 */
David S. Miller8decf862011-09-22 03:23:13 -04002417 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002418 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2419
2420 if (func >= E1H_FUNC_MAX)
2421 break;
2422
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002423 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002424 MF_CFG_RD(bp, func_mf_config[func].config);
2425 }
2426}
2427
2428static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2429{
2430
2431 if (cmng_type == CMNG_FNS_MINMAX) {
2432 int vn;
2433
2434 /* clear cmng_enables */
2435 bp->cmng.flags.cmng_enables = 0;
2436
2437 /* read mf conf from shmem */
2438 if (read_cfg)
2439 bnx2x_read_mf_cfg(bp);
2440
2441 /* Init rate shaping and fairness contexts */
2442 bnx2x_init_port_minmax(bp);
2443
2444 /* vn_weight_sum and enable fairness if not 0 */
2445 bnx2x_calc_vn_weight_sum(bp);
2446
2447 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002448 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002449 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002450 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002451
2452 /* always enable rate shaping and fairness */
2453 bp->cmng.flags.cmng_enables |=
2454 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2455 if (!bp->vn_weight_sum)
2456 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2457 " fairness will be disabled\n");
2458 return;
2459 }
2460
2461 /* rate shaping and fairness are disabled */
2462 DP(NETIF_MSG_IFUP,
2463 "rate shaping and fairness are disabled\n");
2464}
2465
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002466/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002467static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002468{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002469 /* Make sure that we are synced with the current statistics */
2470 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2471
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002472 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002473
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002474 if (bp->link_vars.link_up) {
2475
Eilon Greenstein1c063282009-02-12 08:36:43 +00002476 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002477 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002478 int port = BP_PORT(bp);
2479 u32 pause_enabled = 0;
2480
2481 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2482 pause_enabled = 1;
2483
2484 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002485 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002486 pause_enabled);
2487 }
2488
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002489 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002490 struct host_port_stats *pstats;
2491
2492 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002493 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002494 memset(&(pstats->mac_stx[0]), 0,
2495 sizeof(struct mac_stx));
2496 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002497 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002498 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2499 }
2500
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002501 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2502 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002503
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002504 if (cmng_fns != CMNG_FNS_NONE) {
2505 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2506 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2507 } else
2508 /* rate shaping and fairness are disabled */
2509 DP(NETIF_MSG_IFUP,
2510 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002511 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002512
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002513 __bnx2x_link_report(bp);
2514
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002515 if (IS_MF(bp))
2516 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002517}
2518
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002519void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002520{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002521 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002522 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002523
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002524 /* read updated dcb configuration */
2525 bnx2x_dcbx_pmf_update(bp);
2526
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002527 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2528
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002529 if (bp->link_vars.link_up)
2530 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2531 else
2532 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2533
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002534 /* indicate link status */
2535 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002536}
2537
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002538static void bnx2x_pmf_update(struct bnx2x *bp)
2539{
2540 int port = BP_PORT(bp);
2541 u32 val;
2542
2543 bp->port.pmf = 1;
Merav Sicron51c1a582012-03-18 10:33:38 +00002544 DP(BNX2X_MSG_MCP, "pmf %d\n", bp->port.pmf);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002545
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002546 /*
2547 * We need the mb() to ensure the ordering between the writing to
2548 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2549 */
2550 smp_mb();
2551
2552 /* queue a periodic task */
2553 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2554
Dmitry Kravkovef018542011-06-14 01:33:57 +00002555 bnx2x_dcbx_pmf_update(bp);
2556
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002557 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002558 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002559 if (bp->common.int_block == INT_BLOCK_HC) {
2560 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2561 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002562 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002563 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2564 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2565 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002566
2567 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002568}
2569
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002570/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002571
2572/* slow path */
2573
2574/*
2575 * General service functions
2576 */
2577
Eilon Greenstein2691d512009-08-12 08:22:08 +00002578/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002579u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002580{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002581 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002582 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002583 u32 rc = 0;
2584 u32 cnt = 1;
2585 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2586
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002587 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002588 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002589 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2590 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2591
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002592 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2593 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002594
2595 do {
2596 /* let the FW do it's magic ... */
2597 msleep(delay);
2598
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002599 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002600
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002601 /* Give the FW up to 5 second (500*10ms) */
2602 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002603
2604 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2605 cnt*delay, rc, seq);
2606
2607 /* is this a reply to our command? */
2608 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2609 rc &= FW_MSG_CODE_MASK;
2610 else {
2611 /* FW BUG! */
2612 BNX2X_ERR("FW failed to respond!\n");
2613 bnx2x_fw_dump(bp);
2614 rc = 0;
2615 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002616 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002617
2618 return rc;
2619}
2620
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002621
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002622void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002623{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002624 if (CHIP_IS_E1x(bp)) {
2625 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002626
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002627 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2628 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002629
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002630 /* Enable the function in the FW */
2631 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2632 storm_memset_func_en(bp, p->func_id, 1);
2633
2634 /* spq */
2635 if (p->func_flgs & FUNC_FLG_SPQ) {
2636 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2637 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2638 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2639 }
2640}
2641
Ariel Elior6383c0b2011-07-14 08:31:57 +00002642/**
2643 * bnx2x_get_tx_only_flags - Return common flags
2644 *
2645 * @bp device handle
2646 * @fp queue handle
2647 * @zero_stats TRUE if statistics zeroing is needed
2648 *
2649 * Return the flags that are common for the Tx-only and not normal connections.
2650 */
2651static inline unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2652 struct bnx2x_fastpath *fp,
2653 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002654{
2655 unsigned long flags = 0;
2656
2657 /* PF driver will always initialize the Queue to an ACTIVE state */
2658 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2659
Ariel Elior6383c0b2011-07-14 08:31:57 +00002660 /* tx only connections collect statistics (on the same index as the
2661 * parent connection). The statistics are zeroed when the parent
2662 * connection is initialized.
2663 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002664
2665 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2666 if (zero_stats)
2667 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2668
Ariel Elior6383c0b2011-07-14 08:31:57 +00002669
2670 return flags;
2671}
2672
2673static inline unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2674 struct bnx2x_fastpath *fp,
2675 bool leading)
2676{
2677 unsigned long flags = 0;
2678
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002679 /* calculate other queue flags */
2680 if (IS_MF_SD(bp))
2681 __set_bit(BNX2X_Q_FLG_OV, &flags);
2682
2683 if (IS_FCOE_FP(fp))
2684 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002685
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002686 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002687 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002688 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00002689 if (fp->mode == TPA_MODE_GRO)
2690 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002691 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002692
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002693 if (leading) {
2694 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2695 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2696 }
2697
2698 /* Always set HW VLAN stripping */
2699 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002700
Ariel Elior6383c0b2011-07-14 08:31:57 +00002701
2702 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002703}
2704
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002705static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002706 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2707 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002708{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002709 gen_init->stat_id = bnx2x_stats_id(fp);
2710 gen_init->spcl_id = fp->cl_id;
2711
2712 /* Always use mini-jumbo MTU for FCoE L2 ring */
2713 if (IS_FCOE_FP(fp))
2714 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2715 else
2716 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002717
2718 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002719}
2720
2721static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2722 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2723 struct bnx2x_rxq_setup_params *rxq_init)
2724{
2725 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002726 u16 sge_sz = 0;
2727 u16 tpa_agg_size = 0;
2728
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002729 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002730 pause->sge_th_lo = SGE_TH_LO(bp);
2731 pause->sge_th_hi = SGE_TH_HI(bp);
2732
2733 /* validate SGE ring has enough to cross high threshold */
2734 WARN_ON(bp->dropless_fc &&
2735 pause->sge_th_hi + FW_PREFETCH_CNT >
2736 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2737
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002738 tpa_agg_size = min_t(u32,
2739 (min_t(u32, 8, MAX_SKB_FRAGS) *
2740 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2741 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2742 SGE_PAGE_SHIFT;
2743 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2744 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2745 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2746 0xffff);
2747 }
2748
2749 /* pause - not for e1 */
2750 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002751 pause->bd_th_lo = BD_TH_LO(bp);
2752 pause->bd_th_hi = BD_TH_HI(bp);
2753
2754 pause->rcq_th_lo = RCQ_TH_LO(bp);
2755 pause->rcq_th_hi = RCQ_TH_HI(bp);
2756 /*
2757 * validate that rings have enough entries to cross
2758 * high thresholds
2759 */
2760 WARN_ON(bp->dropless_fc &&
2761 pause->bd_th_hi + FW_PREFETCH_CNT >
2762 bp->rx_ring_size);
2763 WARN_ON(bp->dropless_fc &&
2764 pause->rcq_th_hi + FW_PREFETCH_CNT >
2765 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002766
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002767 pause->pri_map = 1;
2768 }
2769
2770 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002771 rxq_init->dscr_map = fp->rx_desc_mapping;
2772 rxq_init->sge_map = fp->rx_sge_mapping;
2773 rxq_init->rcq_map = fp->rx_comp_mapping;
2774 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002775
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002776 /* This should be a maximum number of data bytes that may be
2777 * placed on the BD (not including paddings).
2778 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002779 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2780 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002781
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002782 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002783 rxq_init->tpa_agg_sz = tpa_agg_size;
2784 rxq_init->sge_buf_sz = sge_sz;
2785 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002786 rxq_init->rss_engine_id = BP_FUNC(bp);
Yuval Mintz259afa12012-03-12 08:53:10 +00002787 rxq_init->mcast_engine_id = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002788
2789 /* Maximum number or simultaneous TPA aggregation for this Queue.
2790 *
2791 * For PF Clients it should be the maximum avaliable number.
2792 * VF driver(s) may want to define it to a smaller value.
2793 */
David S. Miller8decf862011-09-22 03:23:13 -04002794 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002795
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002796 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2797 rxq_init->fw_sb_id = fp->fw_sb_id;
2798
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002799 if (IS_FCOE_FP(fp))
2800 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2801 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002802 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002803}
2804
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002805static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002806 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2807 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002808{
Ariel Elior6383c0b2011-07-14 08:31:57 +00002809 txq_init->dscr_map = fp->txdata[cos].tx_desc_mapping;
2810 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002811 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2812 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002813
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002814 /*
2815 * set the tss leading client id for TX classfication ==
2816 * leading RSS client id
2817 */
2818 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2819
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002820 if (IS_FCOE_FP(fp)) {
2821 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2822 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2823 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002824}
2825
stephen hemminger8d962862010-10-21 07:50:56 +00002826static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002827{
2828 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002829 struct event_ring_data eq_data = { {0} };
2830 u16 flags;
2831
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002832 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002833 /* reset IGU PF statistics: MSIX + ATTN */
2834 /* PF */
2835 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2836 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2837 (CHIP_MODE_IS_4_PORT(bp) ?
2838 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2839 /* ATTN */
2840 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2841 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2842 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2843 (CHIP_MODE_IS_4_PORT(bp) ?
2844 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2845 }
2846
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002847 /* function setup flags */
2848 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2849
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002850 /* This flag is relevant for E1x only.
2851 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002852 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002853 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002854
2855 func_init.func_flgs = flags;
2856 func_init.pf_id = BP_FUNC(bp);
2857 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002858 func_init.spq_map = bp->spq_mapping;
2859 func_init.spq_prod = bp->spq_prod_idx;
2860
2861 bnx2x_func_init(bp, &func_init);
2862
2863 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2864
2865 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002866 * Congestion management values depend on the link rate
2867 * There is no active link so initial link rate is set to 10 Gbps.
2868 * When the link comes up The congestion management values are
2869 * re-calculated according to the actual link rate.
2870 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002871 bp->link_vars.line_speed = SPEED_10000;
2872 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2873
2874 /* Only the PMF sets the HW */
2875 if (bp->port.pmf)
2876 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2877
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002878 /* init Event Queue */
2879 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2880 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2881 eq_data.producer = bp->eq_prod;
2882 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2883 eq_data.sb_id = DEF_SB_ID;
2884 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2885}
2886
2887
Eilon Greenstein2691d512009-08-12 08:22:08 +00002888static void bnx2x_e1h_disable(struct bnx2x *bp)
2889{
2890 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002891
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002892 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002893
2894 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002895}
2896
2897static void bnx2x_e1h_enable(struct bnx2x *bp)
2898{
2899 int port = BP_PORT(bp);
2900
2901 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2902
Eilon Greenstein2691d512009-08-12 08:22:08 +00002903 /* Tx queue should be only reenabled */
2904 netif_tx_wake_all_queues(bp->dev);
2905
Eilon Greenstein061bc702009-10-15 00:18:47 -07002906 /*
2907 * Should not call netif_carrier_on since it will be called if the link
2908 * is up when checking for link state
2909 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002910}
2911
Barak Witkowski1d187b32011-12-05 22:41:50 +00002912#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
2913
2914static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
2915{
2916 struct eth_stats_info *ether_stat =
2917 &bp->slowpath->drv_info_to_mcp.ether_stat;
2918
2919 /* leave last char as NULL */
2920 memcpy(ether_stat->version, DRV_MODULE_VERSION,
2921 ETH_STAT_INFO_VERSION_LEN - 1);
2922
2923 bp->fp[0].mac_obj.get_n_elements(bp, &bp->fp[0].mac_obj,
2924 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
2925 ether_stat->mac_local);
2926
2927 ether_stat->mtu_size = bp->dev->mtu;
2928
2929 if (bp->dev->features & NETIF_F_RXCSUM)
2930 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
2931 if (bp->dev->features & NETIF_F_TSO)
2932 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
2933 ether_stat->feature_flags |= bp->common.boot_mode;
2934
2935 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
2936
2937 ether_stat->txq_size = bp->tx_ring_size;
2938 ether_stat->rxq_size = bp->rx_ring_size;
2939}
2940
2941static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
2942{
Michael Chanf2fd5c32011-12-06 10:58:08 +00002943#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00002944 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
2945 struct fcoe_stats_info *fcoe_stat =
2946 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
2947
2948 memcpy(fcoe_stat->mac_local, bp->fip_mac, ETH_ALEN);
2949
2950 fcoe_stat->qos_priority =
2951 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
2952
2953 /* insert FCoE stats from ramrod response */
2954 if (!NO_FCOE(bp)) {
2955 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
2956 &bp->fw_stats_data->queue_stats[FCOE_IDX].
2957 tstorm_queue_statistics;
2958
2959 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
2960 &bp->fw_stats_data->queue_stats[FCOE_IDX].
2961 xstorm_queue_statistics;
2962
2963 struct fcoe_statistics_params *fw_fcoe_stat =
2964 &bp->fw_stats_data->fcoe;
2965
2966 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
2967 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
2968
2969 ADD_64(fcoe_stat->rx_bytes_hi,
2970 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
2971 fcoe_stat->rx_bytes_lo,
2972 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
2973
2974 ADD_64(fcoe_stat->rx_bytes_hi,
2975 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
2976 fcoe_stat->rx_bytes_lo,
2977 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
2978
2979 ADD_64(fcoe_stat->rx_bytes_hi,
2980 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
2981 fcoe_stat->rx_bytes_lo,
2982 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
2983
2984 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
2985 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
2986
2987 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
2988 fcoe_q_tstorm_stats->rcv_ucast_pkts);
2989
2990 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
2991 fcoe_q_tstorm_stats->rcv_bcast_pkts);
2992
2993 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00002994 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00002995
2996 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
2997 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
2998
2999 ADD_64(fcoe_stat->tx_bytes_hi,
3000 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3001 fcoe_stat->tx_bytes_lo,
3002 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3003
3004 ADD_64(fcoe_stat->tx_bytes_hi,
3005 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3006 fcoe_stat->tx_bytes_lo,
3007 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3008
3009 ADD_64(fcoe_stat->tx_bytes_hi,
3010 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3011 fcoe_stat->tx_bytes_lo,
3012 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3013
3014 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3015 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3016
3017 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3018 fcoe_q_xstorm_stats->ucast_pkts_sent);
3019
3020 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3021 fcoe_q_xstorm_stats->bcast_pkts_sent);
3022
3023 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3024 fcoe_q_xstorm_stats->mcast_pkts_sent);
3025 }
3026
Barak Witkowski1d187b32011-12-05 22:41:50 +00003027 /* ask L5 driver to add data to the struct */
3028 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
3029#endif
3030}
3031
3032static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3033{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003034#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003035 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3036 struct iscsi_stats_info *iscsi_stat =
3037 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3038
3039 memcpy(iscsi_stat->mac_local, bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
3040
3041 iscsi_stat->qos_priority =
3042 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3043
Barak Witkowski1d187b32011-12-05 22:41:50 +00003044 /* ask L5 driver to add data to the struct */
3045 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
3046#endif
3047}
3048
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003049/* called due to MCP event (on pmf):
3050 * reread new bandwidth configuration
3051 * configure FW
3052 * notify others function about the change
3053 */
3054static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
3055{
3056 if (bp->link_vars.link_up) {
3057 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3058 bnx2x_link_sync_notify(bp);
3059 }
3060 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3061}
3062
3063static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
3064{
3065 bnx2x_config_mf_bw(bp);
3066 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3067}
3068
Barak Witkowski1d187b32011-12-05 22:41:50 +00003069static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3070{
3071 enum drv_info_opcode op_code;
3072 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3073
3074 /* if drv_info version supported by MFW doesn't match - send NACK */
3075 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3076 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3077 return;
3078 }
3079
3080 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3081 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3082
3083 memset(&bp->slowpath->drv_info_to_mcp, 0,
3084 sizeof(union drv_info_to_mcp));
3085
3086 switch (op_code) {
3087 case ETH_STATS_OPCODE:
3088 bnx2x_drv_info_ether_stat(bp);
3089 break;
3090 case FCOE_STATS_OPCODE:
3091 bnx2x_drv_info_fcoe_stat(bp);
3092 break;
3093 case ISCSI_STATS_OPCODE:
3094 bnx2x_drv_info_iscsi_stat(bp);
3095 break;
3096 default:
3097 /* if op code isn't supported - send NACK */
3098 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3099 return;
3100 }
3101
3102 /* if we got drv_info attn from MFW then these fields are defined in
3103 * shmem2 for sure
3104 */
3105 SHMEM2_WR(bp, drv_info_host_addr_lo,
3106 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3107 SHMEM2_WR(bp, drv_info_host_addr_hi,
3108 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3109
3110 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3111}
3112
Eilon Greenstein2691d512009-08-12 08:22:08 +00003113static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3114{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003115 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003116
3117 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3118
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003119 /*
3120 * This is the only place besides the function initialization
3121 * where the bp->flags can change so it is done without any
3122 * locks
3123 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003124 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Merav Sicron51c1a582012-03-18 10:33:38 +00003125 DP(BNX2X_MSG_MCP, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003126 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003127
3128 bnx2x_e1h_disable(bp);
3129 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00003130 DP(BNX2X_MSG_MCP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003131 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003132
3133 bnx2x_e1h_enable(bp);
3134 }
3135 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3136 }
3137 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003138 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003139 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3140 }
3141
3142 /* Report results to MCP */
3143 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003144 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003145 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003146 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003147}
3148
Michael Chan28912902009-10-10 13:46:53 +00003149/* must be called under the spq lock */
3150static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
3151{
3152 struct eth_spe *next_spe = bp->spq_prod_bd;
3153
3154 if (bp->spq_prod_bd == bp->spq_last_bd) {
3155 bp->spq_prod_bd = bp->spq;
3156 bp->spq_prod_idx = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00003157 DP(BNX2X_MSG_SP, "end of spq\n");
Michael Chan28912902009-10-10 13:46:53 +00003158 } else {
3159 bp->spq_prod_bd++;
3160 bp->spq_prod_idx++;
3161 }
3162 return next_spe;
3163}
3164
3165/* must be called under the spq lock */
3166static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
3167{
3168 int func = BP_FUNC(bp);
3169
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003170 /*
3171 * Make sure that BD data is updated before writing the producer:
3172 * BD data is written to the memory, the producer is read from the
3173 * memory, thus we need a full memory barrier to ensure the ordering.
3174 */
3175 mb();
Michael Chan28912902009-10-10 13:46:53 +00003176
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003177 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003178 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00003179 mmiowb();
3180}
3181
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003182/**
3183 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3184 *
3185 * @cmd: command to check
3186 * @cmd_type: command type
3187 */
3188static inline bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
3189{
3190 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003191 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003192 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3193 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3194 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3195 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3196 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3197 return true;
3198 else
3199 return false;
3200
3201}
3202
3203
3204/**
3205 * bnx2x_sp_post - place a single command on an SP ring
3206 *
3207 * @bp: driver handle
3208 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3209 * @cid: SW CID the command is related to
3210 * @data_hi: command private data address (high 32 bits)
3211 * @data_lo: command private data address (low 32 bits)
3212 * @cmd_type: command type (e.g. NONE, ETH)
3213 *
3214 * SP data is handled as if it's always an address pair, thus data fields are
3215 * not swapped to little endian in upper functions. Instead this function swaps
3216 * data as if it's two u32 fields.
3217 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003218int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003219 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003220{
Michael Chan28912902009-10-10 13:46:53 +00003221 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003222 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003223 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003224
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003225#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00003226 if (unlikely(bp->panic)) {
3227 BNX2X_ERR("Can't post SP when there is panic\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003228 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +00003229 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003230#endif
3231
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003232 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003233
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003234 if (common) {
3235 if (!atomic_read(&bp->eq_spq_left)) {
3236 BNX2X_ERR("BUG! EQ ring full!\n");
3237 spin_unlock_bh(&bp->spq_lock);
3238 bnx2x_panic();
3239 return -EBUSY;
3240 }
3241 } else if (!atomic_read(&bp->cq_spq_left)) {
3242 BNX2X_ERR("BUG! SPQ ring full!\n");
3243 spin_unlock_bh(&bp->spq_lock);
3244 bnx2x_panic();
3245 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003246 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003247
Michael Chan28912902009-10-10 13:46:53 +00003248 spe = bnx2x_sp_get_next(bp);
3249
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003250 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00003251 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003252 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3253 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003254
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003255 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003256
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003257 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3258 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003259
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003260 spe->hdr.type = cpu_to_le16(type);
3261
3262 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3263 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3264
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003265 /*
3266 * It's ok if the actual decrement is issued towards the memory
3267 * somewhere between the spin_lock and spin_unlock. Thus no
3268 * more explict memory barrier is needed.
3269 */
3270 if (common)
3271 atomic_dec(&bp->eq_spq_left);
3272 else
3273 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003274
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003275
Merav Sicron51c1a582012-03-18 10:33:38 +00003276 DP(BNX2X_MSG_SP,
3277 "SPQE[%x] (%x:%x) (cmd, common?) (%d,%d) hw_cid %x data (%x:%x) type(0x%x) left (CQ, EQ) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003278 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3279 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003280 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003281 HW_CID(bp, cid), data_hi, data_lo, type,
3282 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003283
Michael Chan28912902009-10-10 13:46:53 +00003284 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003285 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003286 return 0;
3287}
3288
3289/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003290static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003291{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003292 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003293 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003294
3295 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003296 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003297 val = (1UL << 31);
3298 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3299 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3300 if (val & (1L << 31))
3301 break;
3302
3303 msleep(5);
3304 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003305 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003306 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003307 rc = -EBUSY;
3308 }
3309
3310 return rc;
3311}
3312
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003313/* release split MCP access lock register */
3314static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003315{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003316 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003317}
3318
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003319#define BNX2X_DEF_SB_ATT_IDX 0x0001
3320#define BNX2X_DEF_SB_IDX 0x0002
3321
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003322static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
3323{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003324 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003325 u16 rc = 0;
3326
3327 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003328 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3329 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003330 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003331 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003332
3333 if (bp->def_idx != def_sb->sp_sb.running_index) {
3334 bp->def_idx = def_sb->sp_sb.running_index;
3335 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003336 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003337
3338 /* Do not reorder: indecies reading should complete before handling */
3339 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003340 return rc;
3341}
3342
3343/*
3344 * slow path service functions
3345 */
3346
3347static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3348{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003349 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003350 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3351 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003352 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3353 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003354 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003355 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003356 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003357
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003358 if (bp->attn_state & asserted)
3359 BNX2X_ERR("IGU ERROR\n");
3360
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003361 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3362 aeu_mask = REG_RD(bp, aeu_addr);
3363
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003364 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003365 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003366 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003367 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003368
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003369 REG_WR(bp, aeu_addr, aeu_mask);
3370 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003371
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003372 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003373 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003374 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003375
3376 if (asserted & ATTN_HARD_WIRED_MASK) {
3377 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003378
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003379 bnx2x_acquire_phy_lock(bp);
3380
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003381 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003382 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003383
Yaniv Rosner361c3912011-06-14 01:33:19 +00003384 /* If nig_mask is not set, no need to call the update
3385 * function.
3386 */
3387 if (nig_mask) {
3388 REG_WR(bp, nig_int_mask_addr, 0);
3389
3390 bnx2x_link_attn(bp);
3391 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003392
3393 /* handle unicore attn? */
3394 }
3395 if (asserted & ATTN_SW_TIMER_4_FUNC)
3396 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3397
3398 if (asserted & GPIO_2_FUNC)
3399 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3400
3401 if (asserted & GPIO_3_FUNC)
3402 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3403
3404 if (asserted & GPIO_4_FUNC)
3405 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3406
3407 if (port == 0) {
3408 if (asserted & ATTN_GENERAL_ATTN_1) {
3409 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3410 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3411 }
3412 if (asserted & ATTN_GENERAL_ATTN_2) {
3413 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3414 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3415 }
3416 if (asserted & ATTN_GENERAL_ATTN_3) {
3417 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3418 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3419 }
3420 } else {
3421 if (asserted & ATTN_GENERAL_ATTN_4) {
3422 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3423 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3424 }
3425 if (asserted & ATTN_GENERAL_ATTN_5) {
3426 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3427 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3428 }
3429 if (asserted & ATTN_GENERAL_ATTN_6) {
3430 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3431 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3432 }
3433 }
3434
3435 } /* if hardwired */
3436
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003437 if (bp->common.int_block == INT_BLOCK_HC)
3438 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3439 COMMAND_REG_ATTN_BITS_SET);
3440 else
3441 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3442
3443 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3444 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3445 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003446
3447 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003448 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003449 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003450 bnx2x_release_phy_lock(bp);
3451 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003452}
3453
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003454static inline void bnx2x_fan_failure(struct bnx2x *bp)
3455{
3456 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003457 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003458 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003459 ext_phy_config =
3460 SHMEM_RD(bp,
3461 dev_info.port_hw_config[port].external_phy_config);
3462
3463 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3464 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003465 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003466 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003467
3468 /* log the failure */
Merav Sicron51c1a582012-03-18 10:33:38 +00003469 netdev_err(bp->dev, "Fan Failure on Network Controller has caused the driver to shutdown the card to prevent permanent damage.\n"
3470 "Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003471
3472 /*
3473 * Scheudle device reset (unload)
3474 * This is due to some boards consuming sufficient power when driver is
3475 * up to overheat if fan fails.
3476 */
3477 smp_mb__before_clear_bit();
3478 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3479 smp_mb__after_clear_bit();
3480 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3481
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003482}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003483
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003484static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
3485{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003486 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003487 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003488 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003489
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003490 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3491 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003492
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003493 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003494
3495 val = REG_RD(bp, reg_offset);
3496 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3497 REG_WR(bp, reg_offset, val);
3498
3499 BNX2X_ERR("SPIO5 hw attention\n");
3500
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003501 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003502 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003503 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003504 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003505
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003506 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003507 bnx2x_acquire_phy_lock(bp);
3508 bnx2x_handle_module_detect_int(&bp->link_params);
3509 bnx2x_release_phy_lock(bp);
3510 }
3511
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003512 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3513
3514 val = REG_RD(bp, reg_offset);
3515 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3516 REG_WR(bp, reg_offset, val);
3517
3518 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003519 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003520 bnx2x_panic();
3521 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003522}
3523
3524static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3525{
3526 u32 val;
3527
Eilon Greenstein0626b892009-02-12 08:38:14 +00003528 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003529
3530 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3531 BNX2X_ERR("DB hw attention 0x%x\n", val);
3532 /* DORQ discard attention */
3533 if (val & 0x2)
3534 BNX2X_ERR("FATAL error from DORQ\n");
3535 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003536
3537 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3538
3539 int port = BP_PORT(bp);
3540 int reg_offset;
3541
3542 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3543 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3544
3545 val = REG_RD(bp, reg_offset);
3546 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3547 REG_WR(bp, reg_offset, val);
3548
3549 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003550 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003551 bnx2x_panic();
3552 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003553}
3554
3555static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3556{
3557 u32 val;
3558
3559 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3560
3561 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3562 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3563 /* CFC error attention */
3564 if (val & 0x2)
3565 BNX2X_ERR("FATAL error from CFC\n");
3566 }
3567
3568 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003569 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003570 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003571 /* RQ_USDMDP_FIFO_OVERFLOW */
3572 if (val & 0x18000)
3573 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003574
3575 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003576 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3577 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3578 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003579 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003580
3581 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3582
3583 int port = BP_PORT(bp);
3584 int reg_offset;
3585
3586 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3587 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3588
3589 val = REG_RD(bp, reg_offset);
3590 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3591 REG_WR(bp, reg_offset, val);
3592
3593 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003594 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003595 bnx2x_panic();
3596 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003597}
3598
3599static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3600{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003601 u32 val;
3602
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003603 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3604
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003605 if (attn & BNX2X_PMF_LINK_ASSERT) {
3606 int func = BP_FUNC(bp);
3607
3608 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003609 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3610 func_mf_config[BP_ABS_FUNC(bp)].config);
3611 val = SHMEM_RD(bp,
3612 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003613 if (val & DRV_STATUS_DCC_EVENT_MASK)
3614 bnx2x_dcc_event(bp,
3615 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003616
3617 if (val & DRV_STATUS_SET_MF_BW)
3618 bnx2x_set_mf_bw(bp);
3619
Barak Witkowski1d187b32011-12-05 22:41:50 +00003620 if (val & DRV_STATUS_DRV_INFO_REQ)
3621 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003622 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003623 bnx2x_pmf_update(bp);
3624
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003625 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003626 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3627 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003628 /* start dcbx state machine */
3629 bnx2x_dcbx_set_params(bp,
3630 BNX2X_DCBX_STATE_NEG_RECEIVED);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003631 if (bp->link_vars.periodic_flags &
3632 PERIODIC_FLAGS_LINK_EVENT) {
3633 /* sync with link */
3634 bnx2x_acquire_phy_lock(bp);
3635 bp->link_vars.periodic_flags &=
3636 ~PERIODIC_FLAGS_LINK_EVENT;
3637 bnx2x_release_phy_lock(bp);
3638 if (IS_MF(bp))
3639 bnx2x_link_sync_notify(bp);
3640 bnx2x_link_report(bp);
3641 }
3642 /* Always call it here: bnx2x_link_report() will
3643 * prevent the link indication duplication.
3644 */
3645 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003646 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003647
3648 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003649 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003650 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3651 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3652 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3653 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3654 bnx2x_panic();
3655
3656 } else if (attn & BNX2X_MCP_ASSERT) {
3657
3658 BNX2X_ERR("MCP assert!\n");
3659 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003660 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003661
3662 } else
3663 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3664 }
3665
3666 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003667 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3668 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003669 val = CHIP_IS_E1(bp) ? 0 :
3670 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003671 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3672 }
3673 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003674 val = CHIP_IS_E1(bp) ? 0 :
3675 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003676 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3677 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003678 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003679 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003680}
3681
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003682/*
3683 * Bits map:
3684 * 0-7 - Engine0 load counter.
3685 * 8-15 - Engine1 load counter.
3686 * 16 - Engine0 RESET_IN_PROGRESS bit.
3687 * 17 - Engine1 RESET_IN_PROGRESS bit.
3688 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3689 * on the engine
3690 * 19 - Engine1 ONE_IS_LOADED.
3691 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3692 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3693 * just the one belonging to its engine).
3694 *
3695 */
3696#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3697
3698#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3699#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3700#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3701#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3702#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3703#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3704#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003705
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003706/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003707 * Set the GLOBAL_RESET bit.
3708 *
3709 * Should be run under rtnl lock
3710 */
3711void bnx2x_set_reset_global(struct bnx2x *bp)
3712{
Ariel Eliorf16da432012-01-26 06:01:50 +00003713 u32 val;
3714 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3715 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003716 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003717 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003718}
3719
3720/*
3721 * Clear the GLOBAL_RESET bit.
3722 *
3723 * Should be run under rtnl lock
3724 */
3725static inline void bnx2x_clear_reset_global(struct bnx2x *bp)
3726{
Ariel Eliorf16da432012-01-26 06:01:50 +00003727 u32 val;
3728 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3729 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003730 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003731 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003732}
3733
3734/*
3735 * Checks the GLOBAL_RESET bit.
3736 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003737 * should be run under rtnl lock
3738 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003739static inline bool bnx2x_reset_is_global(struct bnx2x *bp)
3740{
3741 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3742
3743 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3744 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3745}
3746
3747/*
3748 * Clear RESET_IN_PROGRESS bit for the current engine.
3749 *
3750 * Should be run under rtnl lock
3751 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003752static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3753{
Ariel Eliorf16da432012-01-26 06:01:50 +00003754 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003755 u32 bit = BP_PATH(bp) ?
3756 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003757 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3758 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003759
3760 /* Clear the bit */
3761 val &= ~bit;
3762 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003763
3764 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003765}
3766
3767/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003768 * Set RESET_IN_PROGRESS for the current engine.
3769 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003770 * should be run under rtnl lock
3771 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003772void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003773{
Ariel Eliorf16da432012-01-26 06:01:50 +00003774 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003775 u32 bit = BP_PATH(bp) ?
3776 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003777 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3778 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003779
3780 /* Set the bit */
3781 val |= bit;
3782 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003783 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003784}
3785
3786/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003787 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003788 * should be run under rtnl lock
3789 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003790bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003791{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003792 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3793 u32 bit = engine ?
3794 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3795
3796 /* return false if bit is set */
3797 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003798}
3799
3800/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003801 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003802 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003803 * should be run under rtnl lock
3804 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003805void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003806{
Ariel Eliorf16da432012-01-26 06:01:50 +00003807 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003808 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3809 BNX2X_PATH0_LOAD_CNT_MASK;
3810 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3811 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003812
Ariel Eliorf16da432012-01-26 06:01:50 +00003813 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3814 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3815
Merav Sicron51c1a582012-03-18 10:33:38 +00003816 DP(NETIF_MSG_IFUP, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003817
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003818 /* get the current counter value */
3819 val1 = (val & mask) >> shift;
3820
Ariel Elior889b9af2012-01-26 06:01:51 +00003821 /* set bit of that PF */
3822 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003823
3824 /* clear the old value */
3825 val &= ~mask;
3826
3827 /* set the new one */
3828 val |= ((val1 << shift) & mask);
3829
3830 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003831 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003832}
3833
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003834/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003835 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003836 *
3837 * @bp: driver handle
3838 *
3839 * Should be run under rtnl lock.
3840 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003841 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003842 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003843bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003844{
Ariel Eliorf16da432012-01-26 06:01:50 +00003845 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003846 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3847 BNX2X_PATH0_LOAD_CNT_MASK;
3848 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3849 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003850
Ariel Eliorf16da432012-01-26 06:01:50 +00003851 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3852 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Merav Sicron51c1a582012-03-18 10:33:38 +00003853 DP(NETIF_MSG_IFDOWN, "Old GEN_REG_VAL=0x%08x\n", val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003854
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003855 /* get the current counter value */
3856 val1 = (val & mask) >> shift;
3857
Ariel Elior889b9af2012-01-26 06:01:51 +00003858 /* clear bit of that PF */
3859 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003860
3861 /* clear the old value */
3862 val &= ~mask;
3863
3864 /* set the new one */
3865 val |= ((val1 << shift) & mask);
3866
3867 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003868 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3869 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003870}
3871
3872/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003873 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003874 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003875 * should be run under rtnl lock
3876 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003877static inline bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003878{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003879 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
3880 BNX2X_PATH0_LOAD_CNT_MASK);
3881 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3882 BNX2X_PATH0_LOAD_CNT_SHIFT);
3883 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3884
Merav Sicron51c1a582012-03-18 10:33:38 +00003885 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "GLOB_REG=0x%08x\n", val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003886
3887 val = (val & mask) >> shift;
3888
Merav Sicron51c1a582012-03-18 10:33:38 +00003889 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "load mask for engine %d = 0x%x\n",
3890 engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003891
Ariel Elior889b9af2012-01-26 06:01:51 +00003892 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003893}
3894
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003895/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003896 * Reset the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003897 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003898static inline void bnx2x_clear_load_status(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003899{
Ariel Eliorf16da432012-01-26 06:01:50 +00003900 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003901 u32 mask = (BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
Ariel Eliorf16da432012-01-26 06:01:50 +00003902 BNX2X_PATH0_LOAD_CNT_MASK);
3903 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3904 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003905 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~mask));
Ariel Eliorf16da432012-01-26 06:01:50 +00003906 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003907}
3908
3909static inline void _print_next_block(int idx, const char *blk)
3910{
Joe Perchesf1deab52011-08-14 12:16:21 +00003911 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003912}
3913
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003914static inline int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
3915 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003916{
3917 int i = 0;
3918 u32 cur_bit = 0;
3919 for (i = 0; sig; i++) {
3920 cur_bit = ((u32)0x1 << i);
3921 if (sig & cur_bit) {
3922 switch (cur_bit) {
3923 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003924 if (print)
3925 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003926 break;
3927 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003928 if (print)
3929 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003930 break;
3931 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003932 if (print)
3933 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003934 break;
3935 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003936 if (print)
3937 _print_next_block(par_num++,
3938 "SEARCHER");
3939 break;
3940 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
3941 if (print)
3942 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003943 break;
3944 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003945 if (print)
3946 _print_next_block(par_num++, "TSEMI");
3947 break;
3948 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3949 if (print)
3950 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003951 break;
3952 }
3953
3954 /* Clear the bit */
3955 sig &= ~cur_bit;
3956 }
3957 }
3958
3959 return par_num;
3960}
3961
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003962static inline int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
3963 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003964{
3965 int i = 0;
3966 u32 cur_bit = 0;
3967 for (i = 0; sig; i++) {
3968 cur_bit = ((u32)0x1 << i);
3969 if (sig & cur_bit) {
3970 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003971 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
3972 if (print)
3973 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003974 break;
3975 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003976 if (print)
3977 _print_next_block(par_num++, "QM");
3978 break;
3979 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
3980 if (print)
3981 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003982 break;
3983 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003984 if (print)
3985 _print_next_block(par_num++, "XSDM");
3986 break;
3987 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
3988 if (print)
3989 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003990 break;
3991 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003992 if (print)
3993 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003994 break;
3995 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003996 if (print)
3997 _print_next_block(par_num++,
3998 "DOORBELLQ");
3999 break;
4000 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4001 if (print)
4002 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004003 break;
4004 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004005 if (print)
4006 _print_next_block(par_num++,
4007 "VAUX PCI CORE");
4008 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004009 break;
4010 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004011 if (print)
4012 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004013 break;
4014 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004015 if (print)
4016 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004017 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004018 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4019 if (print)
4020 _print_next_block(par_num++, "UCM");
4021 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004022 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004023 if (print)
4024 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004025 break;
4026 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004027 if (print)
4028 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004029 break;
4030 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004031 if (print)
4032 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004033 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004034 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4035 if (print)
4036 _print_next_block(par_num++, "CCM");
4037 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004038 }
4039
4040 /* Clear the bit */
4041 sig &= ~cur_bit;
4042 }
4043 }
4044
4045 return par_num;
4046}
4047
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004048static inline int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4049 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004050{
4051 int i = 0;
4052 u32 cur_bit = 0;
4053 for (i = 0; sig; i++) {
4054 cur_bit = ((u32)0x1 << i);
4055 if (sig & cur_bit) {
4056 switch (cur_bit) {
4057 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004058 if (print)
4059 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004060 break;
4061 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004062 if (print)
4063 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004064 break;
4065 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004066 if (print)
4067 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004068 "PXPPCICLOCKCLIENT");
4069 break;
4070 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004071 if (print)
4072 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004073 break;
4074 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004075 if (print)
4076 _print_next_block(par_num++, "CDU");
4077 break;
4078 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4079 if (print)
4080 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004081 break;
4082 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004083 if (print)
4084 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004085 break;
4086 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004087 if (print)
4088 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004089 break;
4090 }
4091
4092 /* Clear the bit */
4093 sig &= ~cur_bit;
4094 }
4095 }
4096
4097 return par_num;
4098}
4099
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004100static inline int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4101 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004102{
4103 int i = 0;
4104 u32 cur_bit = 0;
4105 for (i = 0; sig; i++) {
4106 cur_bit = ((u32)0x1 << i);
4107 if (sig & cur_bit) {
4108 switch (cur_bit) {
4109 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004110 if (print)
4111 _print_next_block(par_num++, "MCP ROM");
4112 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004113 break;
4114 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004115 if (print)
4116 _print_next_block(par_num++,
4117 "MCP UMP RX");
4118 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004119 break;
4120 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004121 if (print)
4122 _print_next_block(par_num++,
4123 "MCP UMP TX");
4124 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004125 break;
4126 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004127 if (print)
4128 _print_next_block(par_num++,
4129 "MCP SCPAD");
4130 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004131 break;
4132 }
4133
4134 /* Clear the bit */
4135 sig &= ~cur_bit;
4136 }
4137 }
4138
4139 return par_num;
4140}
4141
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004142static inline int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4143 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004144{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004145 int i = 0;
4146 u32 cur_bit = 0;
4147 for (i = 0; sig; i++) {
4148 cur_bit = ((u32)0x1 << i);
4149 if (sig & cur_bit) {
4150 switch (cur_bit) {
4151 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4152 if (print)
4153 _print_next_block(par_num++, "PGLUE_B");
4154 break;
4155 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4156 if (print)
4157 _print_next_block(par_num++, "ATC");
4158 break;
4159 }
4160
4161 /* Clear the bit */
4162 sig &= ~cur_bit;
4163 }
4164 }
4165
4166 return par_num;
4167}
4168
4169static inline bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4170 u32 *sig)
4171{
4172 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4173 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4174 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4175 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4176 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004177 int par_num = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +00004178 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention:\n"
4179 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x [4]:0x%08x\n",
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004180 sig[0] & HW_PRTY_ASSERT_SET_0,
4181 sig[1] & HW_PRTY_ASSERT_SET_1,
4182 sig[2] & HW_PRTY_ASSERT_SET_2,
4183 sig[3] & HW_PRTY_ASSERT_SET_3,
4184 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004185 if (print)
4186 netdev_err(bp->dev,
4187 "Parity errors detected in blocks: ");
4188 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004189 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004190 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004191 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004192 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004193 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004194 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004195 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4196 par_num = bnx2x_check_blocks_with_parity4(
4197 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4198
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004199 if (print)
4200 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004201
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004202 return true;
4203 } else
4204 return false;
4205}
4206
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004207/**
4208 * bnx2x_chk_parity_attn - checks for parity attentions.
4209 *
4210 * @bp: driver handle
4211 * @global: true if there was a global attention
4212 * @print: show parity attention in syslog
4213 */
4214bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004215{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004216 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004217 int port = BP_PORT(bp);
4218
4219 attn.sig[0] = REG_RD(bp,
4220 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4221 port*4);
4222 attn.sig[1] = REG_RD(bp,
4223 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4224 port*4);
4225 attn.sig[2] = REG_RD(bp,
4226 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4227 port*4);
4228 attn.sig[3] = REG_RD(bp,
4229 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4230 port*4);
4231
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004232 if (!CHIP_IS_E1x(bp))
4233 attn.sig[4] = REG_RD(bp,
4234 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4235 port*4);
4236
4237 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004238}
4239
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004240
4241static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
4242{
4243 u32 val;
4244 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4245
4246 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4247 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4248 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004249 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004250 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
Merav Sicron51c1a582012-03-18 10:33:38 +00004251 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004252 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004253 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004254 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004255 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004256 if (val &
4257 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004258 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004259 if (val &
4260 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004261 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004262 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004263 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004264 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
Merav Sicron51c1a582012-03-18 10:33:38 +00004265 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004266 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
Merav Sicron51c1a582012-03-18 10:33:38 +00004267 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004268 }
4269 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4270 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4271 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4272 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4273 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4274 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
Merav Sicron51c1a582012-03-18 10:33:38 +00004275 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004276 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
Merav Sicron51c1a582012-03-18 10:33:38 +00004277 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004278 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
Merav Sicron51c1a582012-03-18 10:33:38 +00004279 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004280 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4281 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4282 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
Merav Sicron51c1a582012-03-18 10:33:38 +00004283 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004284 }
4285
4286 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4287 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4288 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4289 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4290 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4291 }
4292
4293}
4294
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004295static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4296{
4297 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004298 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004299 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004300 u32 reg_addr;
4301 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004302 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004303 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004304
4305 /* need to take HW lock because MCP or other port might also
4306 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004307 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004308
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004309 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4310#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004311 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004312 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004313 /* Disable HW interrupts */
4314 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004315 /* In case of parity errors don't handle attentions so that
4316 * other function would "see" parity errors.
4317 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004318#else
4319 bnx2x_panic();
4320#endif
4321 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004322 return;
4323 }
4324
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004325 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4326 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4327 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4328 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004329 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004330 attn.sig[4] =
4331 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4332 else
4333 attn.sig[4] = 0;
4334
4335 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4336 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004337
4338 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4339 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004340 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004341
Merav Sicron51c1a582012-03-18 10:33:38 +00004342 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x %08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004343 index,
4344 group_mask->sig[0], group_mask->sig[1],
4345 group_mask->sig[2], group_mask->sig[3],
4346 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004347
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004348 bnx2x_attn_int_deasserted4(bp,
4349 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004350 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004351 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004352 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004353 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004354 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004355 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004356 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004357 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004358 }
4359 }
4360
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004361 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004362
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004363 if (bp->common.int_block == INT_BLOCK_HC)
4364 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4365 COMMAND_REG_ATTN_BITS_CLR);
4366 else
4367 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004368
4369 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004370 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4371 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004372 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004373
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004374 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004375 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004376
4377 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4378 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4379
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004380 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4381 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004382
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004383 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4384 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004385 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004386 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4387
4388 REG_WR(bp, reg_addr, aeu_mask);
4389 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004390
4391 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4392 bp->attn_state &= ~deasserted;
4393 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4394}
4395
4396static void bnx2x_attn_int(struct bnx2x *bp)
4397{
4398 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004399 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4400 attn_bits);
4401 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4402 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004403 u32 attn_state = bp->attn_state;
4404
4405 /* look for changed bits */
4406 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4407 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4408
4409 DP(NETIF_MSG_HW,
4410 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4411 attn_bits, attn_ack, asserted, deasserted);
4412
4413 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004414 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004415
4416 /* handle bits that were raised */
4417 if (asserted)
4418 bnx2x_attn_int_asserted(bp, asserted);
4419
4420 if (deasserted)
4421 bnx2x_attn_int_deasserted(bp, deasserted);
4422}
4423
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004424void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4425 u16 index, u8 op, u8 update)
4426{
4427 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4428
4429 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4430 igu_addr);
4431}
4432
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004433static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
4434{
4435 /* No memory barriers */
4436 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4437 mmiowb(); /* keep prod updates ordered */
4438}
4439
4440#ifdef BCM_CNIC
4441static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4442 union event_ring_elem *elem)
4443{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004444 u8 err = elem->message.error;
4445
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004446 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004447 (cid < bp->cnic_eth_dev.starting_cid &&
4448 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004449 return 1;
4450
4451 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4452
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004453 if (unlikely(err)) {
4454
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004455 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4456 cid);
4457 bnx2x_panic_dump(bp);
4458 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004459 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004460 return 0;
4461}
4462#endif
4463
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004464static inline void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
4465{
4466 struct bnx2x_mcast_ramrod_params rparam;
4467 int rc;
4468
4469 memset(&rparam, 0, sizeof(rparam));
4470
4471 rparam.mcast_obj = &bp->mcast_obj;
4472
4473 netif_addr_lock_bh(bp->dev);
4474
4475 /* Clear pending state for the last command */
4476 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4477
4478 /* If there are pending mcast commands - send them */
4479 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4480 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4481 if (rc < 0)
4482 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4483 rc);
4484 }
4485
4486 netif_addr_unlock_bh(bp->dev);
4487}
4488
4489static inline void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4490 union event_ring_elem *elem)
4491{
4492 unsigned long ramrod_flags = 0;
4493 int rc = 0;
4494 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4495 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4496
4497 /* Always push next commands out, don't wait here */
4498 __set_bit(RAMROD_CONT, &ramrod_flags);
4499
4500 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4501 case BNX2X_FILTER_MAC_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004502 DP(BNX2X_MSG_SP, "Got SETUP_MAC completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004503#ifdef BCM_CNIC
4504 if (cid == BNX2X_ISCSI_ETH_CID)
4505 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4506 else
4507#endif
4508 vlan_mac_obj = &bp->fp[cid].mac_obj;
4509
4510 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004511 case BNX2X_FILTER_MCAST_PENDING:
Merav Sicron51c1a582012-03-18 10:33:38 +00004512 DP(BNX2X_MSG_SP, "Got SETUP_MCAST completions\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004513 /* This is only relevant for 57710 where multicast MACs are
4514 * configured as unicast MACs using the same ramrod.
4515 */
4516 bnx2x_handle_mcast_eqe(bp);
4517 return;
4518 default:
4519 BNX2X_ERR("Unsupported classification command: %d\n",
4520 elem->message.data.eth_event.echo);
4521 return;
4522 }
4523
4524 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4525
4526 if (rc < 0)
4527 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4528 else if (rc > 0)
4529 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4530
4531}
4532
4533#ifdef BCM_CNIC
4534static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
4535#endif
4536
4537static inline void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
4538{
4539 netif_addr_lock_bh(bp->dev);
4540
4541 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4542
4543 /* Send rx_mode command again if was requested */
4544 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4545 bnx2x_set_storm_rx_mode(bp);
4546#ifdef BCM_CNIC
4547 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4548 &bp->sp_state))
4549 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4550 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4551 &bp->sp_state))
4552 bnx2x_set_iscsi_eth_rx_mode(bp, false);
4553#endif
4554
4555 netif_addr_unlock_bh(bp->dev);
4556}
4557
4558static inline struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
4559 struct bnx2x *bp, u32 cid)
4560{
Joe Perches94f05b02011-08-14 12:16:20 +00004561 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004562#ifdef BCM_CNIC
4563 if (cid == BNX2X_FCOE_ETH_CID)
4564 return &bnx2x_fcoe(bp, q_obj);
4565 else
4566#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +00004567 return &bnx2x_fp(bp, CID_TO_FP(cid), q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004568}
4569
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004570static void bnx2x_eq_int(struct bnx2x *bp)
4571{
4572 u16 hw_cons, sw_cons, sw_prod;
4573 union event_ring_elem *elem;
4574 u32 cid;
4575 u8 opcode;
4576 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004577 struct bnx2x_queue_sp_obj *q_obj;
4578 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4579 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004580
4581 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4582
4583 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4584 * when we get the the next-page we nned to adjust so the loop
4585 * condition below will be met. The next element is the size of a
4586 * regular element and hence incrementing by 1
4587 */
4588 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4589 hw_cons++;
4590
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004591 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004592 * specific bp, thus there is no need in "paired" read memory
4593 * barrier here.
4594 */
4595 sw_cons = bp->eq_cons;
4596 sw_prod = bp->eq_prod;
4597
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004598 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004599 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004600
4601 for (; sw_cons != hw_cons;
4602 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4603
4604
4605 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4606
4607 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4608 opcode = elem->message.opcode;
4609
4610
4611 /* handle eq element */
4612 switch (opcode) {
4613 case EVENT_RING_OPCODE_STAT_QUERY:
Merav Sicron51c1a582012-03-18 10:33:38 +00004614 DP(BNX2X_MSG_SP | BNX2X_MSG_STATS,
4615 "got statistics comp event %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004616 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004617 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004618 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004619
4620 case EVENT_RING_OPCODE_CFC_DEL:
4621 /* handle according to cid range */
4622 /*
4623 * we may want to verify here that the bp state is
4624 * HALTING
4625 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004626 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004627 "got delete ramrod for MULTI[%d]\n", cid);
4628#ifdef BCM_CNIC
4629 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
4630 goto next_spqe;
4631#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004632 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4633
4634 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4635 break;
4636
4637
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004638
4639 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004640
4641 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004642 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004643 if (f_obj->complete_cmd(bp, f_obj,
4644 BNX2X_F_CMD_TX_STOP))
4645 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004646 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4647 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004648
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004649 case EVENT_RING_OPCODE_START_TRAFFIC:
Merav Sicron51c1a582012-03-18 10:33:38 +00004650 DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004651 if (f_obj->complete_cmd(bp, f_obj,
4652 BNX2X_F_CMD_TX_START))
4653 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004654 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4655 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004656 case EVENT_RING_OPCODE_FUNCTION_START:
Merav Sicron51c1a582012-03-18 10:33:38 +00004657 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4658 "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004659 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4660 break;
4661
4662 goto next_spqe;
4663
4664 case EVENT_RING_OPCODE_FUNCTION_STOP:
Merav Sicron51c1a582012-03-18 10:33:38 +00004665 DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
4666 "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004667 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4668 break;
4669
4670 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004671 }
4672
4673 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004674 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4675 BNX2X_STATE_OPEN):
4676 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004677 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004678 cid = elem->message.data.eth_event.echo &
4679 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004680 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004681 cid);
4682 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004683 break;
4684
4685 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4686 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004687 case (EVENT_RING_OPCODE_SET_MAC |
4688 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004689 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4690 BNX2X_STATE_OPEN):
4691 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4692 BNX2X_STATE_DIAG):
4693 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4694 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004695 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004696 bnx2x_handle_classification_eqe(bp, elem);
4697 break;
4698
4699 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4700 BNX2X_STATE_OPEN):
4701 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4702 BNX2X_STATE_DIAG):
4703 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4704 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004705 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004706 bnx2x_handle_mcast_eqe(bp);
4707 break;
4708
4709 case (EVENT_RING_OPCODE_FILTERS_RULES |
4710 BNX2X_STATE_OPEN):
4711 case (EVENT_RING_OPCODE_FILTERS_RULES |
4712 BNX2X_STATE_DIAG):
4713 case (EVENT_RING_OPCODE_FILTERS_RULES |
4714 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004715 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004716 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004717 break;
4718 default:
4719 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004720 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4721 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004722 }
4723next_spqe:
4724 spqe_cnt++;
4725 } /* for */
4726
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004727 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004728 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004729
4730 bp->eq_cons = sw_cons;
4731 bp->eq_prod = sw_prod;
4732 /* Make sure that above mem writes were issued towards the memory */
4733 smp_wmb();
4734
4735 /* update producer */
4736 bnx2x_update_eq_prod(bp, bp->eq_prod);
4737}
4738
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004739static void bnx2x_sp_task(struct work_struct *work)
4740{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004741 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004742 u16 status;
4743
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004744 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004745/* if (status == 0) */
4746/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004747
Merav Sicron51c1a582012-03-18 10:33:38 +00004748 DP(BNX2X_MSG_SP, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004749
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004750 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004751 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004752 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004753 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004754 }
4755
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004756 /* SP events: STAT_QUERY and others */
4757 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004758#ifdef BCM_CNIC
4759 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004760
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004761 if ((!NO_FCOE(bp)) &&
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00004762 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
4763 /*
4764 * Prevent local bottom-halves from running as
4765 * we are going to change the local NAPI list.
4766 */
4767 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004768 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00004769 local_bh_enable();
4770 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004771#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004772 /* Handle EQ completions */
4773 bnx2x_eq_int(bp);
4774
4775 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
4776 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
4777
4778 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004779 }
4780
4781 if (unlikely(status))
Merav Sicron51c1a582012-03-18 10:33:38 +00004782 DP(BNX2X_MSG_SP, "got an unknown interrupt! (status 0x%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004783 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004784
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004785 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
4786 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004787}
4788
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004789irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004790{
4791 struct net_device *dev = dev_instance;
4792 struct bnx2x *bp = netdev_priv(dev);
4793
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004794 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
4795 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004796
4797#ifdef BNX2X_STOP_ON_ERROR
4798 if (unlikely(bp->panic))
4799 return IRQ_HANDLED;
4800#endif
4801
Michael Chan993ac7b2009-10-10 13:46:56 +00004802#ifdef BCM_CNIC
4803 {
4804 struct cnic_ops *c_ops;
4805
4806 rcu_read_lock();
4807 c_ops = rcu_dereference(bp->cnic_ops);
4808 if (c_ops)
4809 c_ops->cnic_handler(bp->cnic_data, NULL);
4810 rcu_read_unlock();
4811 }
4812#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004813 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004814
4815 return IRQ_HANDLED;
4816}
4817
4818/* end of slow path */
4819
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004820
4821void bnx2x_drv_pulse(struct bnx2x *bp)
4822{
4823 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
4824 bp->fw_drv_pulse_wr_seq);
4825}
4826
4827
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004828static void bnx2x_timer(unsigned long data)
4829{
4830 struct bnx2x *bp = (struct bnx2x *) data;
4831
4832 if (!netif_running(bp->dev))
4833 return;
4834
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004835 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004836 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004837 u32 drv_pulse;
4838 u32 mcp_pulse;
4839
4840 ++bp->fw_drv_pulse_wr_seq;
4841 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
4842 /* TBD - add SYSTEM_TIME */
4843 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004844 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004845
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004846 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004847 MCP_PULSE_SEQ_MASK);
4848 /* The delta between driver pulse and mcp response
4849 * should be 1 (before mcp response) or 0 (after mcp response)
4850 */
4851 if ((drv_pulse != mcp_pulse) &&
4852 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
4853 /* someone lost a heartbeat... */
4854 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
4855 drv_pulse, mcp_pulse);
4856 }
4857 }
4858
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07004859 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004860 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004861
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004862 mod_timer(&bp->timer, jiffies + bp->current_interval);
4863}
4864
4865/* end of Statistics */
4866
4867/* nic init */
4868
4869/*
4870 * nic init service functions
4871 */
4872
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004873static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004874{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004875 u32 i;
4876 if (!(len%4) && !(addr%4))
4877 for (i = 0; i < len; i += 4)
4878 REG_WR(bp, addr + i, fill);
4879 else
4880 for (i = 0; i < len; i++)
4881 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004882
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004883}
4884
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004885/* helper: writes FP SP data to FW - data_size in dwords */
4886static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
4887 int fw_sb_id,
4888 u32 *sb_data_p,
4889 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004890{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004891 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004892 for (index = 0; index < data_size; index++)
4893 REG_WR(bp, BAR_CSTRORM_INTMEM +
4894 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
4895 sizeof(u32)*index,
4896 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004897}
4898
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004899static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
4900{
4901 u32 *sb_data_p;
4902 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004903 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004904 struct hc_status_block_data_e1x sb_data_e1x;
4905
4906 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004907 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004908 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004909 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004910 sb_data_e2.common.p_func.vf_valid = false;
4911 sb_data_p = (u32 *)&sb_data_e2;
4912 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4913 } else {
4914 memset(&sb_data_e1x, 0,
4915 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004916 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004917 sb_data_e1x.common.p_func.vf_valid = false;
4918 sb_data_p = (u32 *)&sb_data_e1x;
4919 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4920 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004921 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4922
4923 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4924 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
4925 CSTORM_STATUS_BLOCK_SIZE);
4926 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4927 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
4928 CSTORM_SYNC_BLOCK_SIZE);
4929}
4930
4931/* helper: writes SP SB data to FW */
4932static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
4933 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004934{
4935 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004936 int i;
4937 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4938 REG_WR(bp, BAR_CSTRORM_INTMEM +
4939 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4940 i*sizeof(u32),
4941 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004942}
4943
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004944static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4945{
4946 int func = BP_FUNC(bp);
4947 struct hc_sp_status_block_data sp_sb_data;
4948 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4949
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004950 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004951 sp_sb_data.p_func.vf_valid = false;
4952
4953 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4954
4955 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4956 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4957 CSTORM_SP_STATUS_BLOCK_SIZE);
4958 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4959 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4960 CSTORM_SP_SYNC_BLOCK_SIZE);
4961
4962}
4963
4964
4965static inline
4966void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4967 int igu_sb_id, int igu_seg_id)
4968{
4969 hc_sm->igu_sb_id = igu_sb_id;
4970 hc_sm->igu_seg_id = igu_seg_id;
4971 hc_sm->timer_value = 0xFF;
4972 hc_sm->time_to_expire = 0xFFFFFFFF;
4973}
4974
David S. Miller8decf862011-09-22 03:23:13 -04004975
4976/* allocates state machine ids. */
4977static inline
4978void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
4979{
4980 /* zero out state machine indices */
4981 /* rx indices */
4982 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
4983
4984 /* tx indices */
4985 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
4986 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
4987 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
4988 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
4989
4990 /* map indices */
4991 /* rx indices */
4992 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
4993 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
4994
4995 /* tx indices */
4996 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
4997 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
4998 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
4999 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5000 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5001 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5002 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5003 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5004}
5005
stephen hemminger8d962862010-10-21 07:50:56 +00005006static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005007 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5008{
5009 int igu_seg_id;
5010
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005011 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005012 struct hc_status_block_data_e1x sb_data_e1x;
5013 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005014 int data_size;
5015 u32 *sb_data_p;
5016
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005017 if (CHIP_INT_MODE_IS_BC(bp))
5018 igu_seg_id = HC_SEG_ACCESS_NORM;
5019 else
5020 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005021
5022 bnx2x_zero_fp_sb(bp, fw_sb_id);
5023
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005024 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005025 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005026 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005027 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5028 sb_data_e2.common.p_func.vf_id = vfid;
5029 sb_data_e2.common.p_func.vf_valid = vf_valid;
5030 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5031 sb_data_e2.common.same_igu_sb_1b = true;
5032 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5033 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5034 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005035 sb_data_p = (u32 *)&sb_data_e2;
5036 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005037 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005038 } else {
5039 memset(&sb_data_e1x, 0,
5040 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005041 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005042 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5043 sb_data_e1x.common.p_func.vf_id = 0xff;
5044 sb_data_e1x.common.p_func.vf_valid = false;
5045 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5046 sb_data_e1x.common.same_igu_sb_1b = true;
5047 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5048 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5049 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005050 sb_data_p = (u32 *)&sb_data_e1x;
5051 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005052 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005053 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005054
5055 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5056 igu_sb_id, igu_seg_id);
5057 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5058 igu_sb_id, igu_seg_id);
5059
Merav Sicron51c1a582012-03-18 10:33:38 +00005060 DP(NETIF_MSG_IFUP, "Init FW SB %d\n", fw_sb_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005061
5062 /* write indecies to HW */
5063 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5064}
5065
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005066static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005067 u16 tx_usec, u16 rx_usec)
5068{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005069 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005070 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005071 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5072 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5073 tx_usec);
5074 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5075 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5076 tx_usec);
5077 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5078 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5079 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005080}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005081
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005082static void bnx2x_init_def_sb(struct bnx2x *bp)
5083{
5084 struct host_sp_status_block *def_sb = bp->def_status_blk;
5085 dma_addr_t mapping = bp->def_status_blk_mapping;
5086 int igu_sp_sb_index;
5087 int igu_seg_id;
5088 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005089 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005090 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005091 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005092 int index;
5093 struct hc_sp_status_block_data sp_sb_data;
5094 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5095
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005096 if (CHIP_INT_MODE_IS_BC(bp)) {
5097 igu_sp_sb_index = DEF_SB_IGU_ID;
5098 igu_seg_id = HC_SEG_ACCESS_DEF;
5099 } else {
5100 igu_sp_sb_index = bp->igu_dsb_id;
5101 igu_seg_id = IGU_SEG_ACCESS_DEF;
5102 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005103
5104 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005105 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005106 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005107 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005108
Eliezer Tamir49d66772008-02-28 11:53:13 -08005109 bp->attn_state = 0;
5110
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005111 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5112 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005113 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5114 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005115 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005116 int sindex;
5117 /* take care of sig[0]..sig[4] */
5118 for (sindex = 0; sindex < 4; sindex++)
5119 bp->attn_group[index].sig[sindex] =
5120 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005121
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005122 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005123 /*
5124 * enable5 is separate from the rest of the registers,
5125 * and therefore the address skip is 4
5126 * and not 16 between the different groups
5127 */
5128 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005129 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005130 else
5131 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005132 }
5133
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005134 if (bp->common.int_block == INT_BLOCK_HC) {
5135 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5136 HC_REG_ATTN_MSG0_ADDR_L);
5137
5138 REG_WR(bp, reg_offset, U64_LO(section));
5139 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005140 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005141 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5142 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5143 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005144
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005145 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5146 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005147
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005148 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005149
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005150 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005151 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5152 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5153 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5154 sp_sb_data.igu_seg_id = igu_seg_id;
5155 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005156 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005157 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005158
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005159 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005160
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005161 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005162}
5163
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005164void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005165{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005166 int i;
5167
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005168 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005169 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005170 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005171}
5172
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005173static void bnx2x_init_sp_ring(struct bnx2x *bp)
5174{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005175 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005176 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005177
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005178 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005179 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5180 bp->spq_prod_bd = bp->spq;
5181 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005182}
5183
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005184static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005185{
5186 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005187 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5188 union event_ring_elem *elem =
5189 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005190
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005191 elem->next_page.addr.hi =
5192 cpu_to_le32(U64_HI(bp->eq_mapping +
5193 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5194 elem->next_page.addr.lo =
5195 cpu_to_le32(U64_LO(bp->eq_mapping +
5196 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005197 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005198 bp->eq_cons = 0;
5199 bp->eq_prod = NUM_EQ_DESC;
5200 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005201 /* we want a warning message before it gets rought... */
5202 atomic_set(&bp->eq_spq_left,
5203 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005204}
5205
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005206
5207/* called with netif_addr_lock_bh() */
5208void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5209 unsigned long rx_mode_flags,
5210 unsigned long rx_accept_flags,
5211 unsigned long tx_accept_flags,
5212 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005213{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005214 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5215 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005216
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005217 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005218
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005219 /* Prepare ramrod parameters */
5220 ramrod_param.cid = 0;
5221 ramrod_param.cl_id = cl_id;
5222 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5223 ramrod_param.func_id = BP_FUNC(bp);
5224
5225 ramrod_param.pstate = &bp->sp_state;
5226 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5227
5228 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5229 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5230
5231 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5232
5233 ramrod_param.ramrod_flags = ramrod_flags;
5234 ramrod_param.rx_mode_flags = rx_mode_flags;
5235
5236 ramrod_param.rx_accept_flags = rx_accept_flags;
5237 ramrod_param.tx_accept_flags = tx_accept_flags;
5238
5239 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5240 if (rc < 0) {
5241 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5242 return;
5243 }
5244}
5245
5246/* called with netif_addr_lock_bh() */
5247void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5248{
5249 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5250 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5251
5252#ifdef BCM_CNIC
5253 if (!NO_FCOE(bp))
5254
5255 /* Configure rx_mode of FCoE Queue */
5256 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5257#endif
5258
5259 switch (bp->rx_mode) {
5260 case BNX2X_RX_MODE_NONE:
5261 /*
5262 * 'drop all' supersedes any accept flags that may have been
5263 * passed to the function.
5264 */
5265 break;
5266 case BNX2X_RX_MODE_NORMAL:
5267 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5268 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5269 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5270
5271 /* internal switching mode */
5272 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5273 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5274 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5275
5276 break;
5277 case BNX2X_RX_MODE_ALLMULTI:
5278 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5279 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5280 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5281
5282 /* internal switching mode */
5283 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5284 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5285 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5286
5287 break;
5288 case BNX2X_RX_MODE_PROMISC:
5289 /* According to deffinition of SI mode, iface in promisc mode
5290 * should receive matched and unmatched (in resolution of port)
5291 * unicast packets.
5292 */
5293 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5294 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5295 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5296 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5297
5298 /* internal switching mode */
5299 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5300 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5301
5302 if (IS_MF_SI(bp))
5303 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5304 else
5305 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5306
5307 break;
5308 default:
5309 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5310 return;
5311 }
5312
5313 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5314 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5315 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5316 }
5317
5318 __set_bit(RAMROD_RX, &ramrod_flags);
5319 __set_bit(RAMROD_TX, &ramrod_flags);
5320
5321 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5322 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005323}
5324
Eilon Greenstein471de712008-08-13 15:49:35 -07005325static void bnx2x_init_internal_common(struct bnx2x *bp)
5326{
5327 int i;
5328
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005329 if (IS_MF_SI(bp))
5330 /*
5331 * In switch independent mode, the TSTORM needs to accept
5332 * packets that failed classification, since approximate match
5333 * mac addresses aren't written to NIG LLH
5334 */
5335 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5336 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005337 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5338 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5339 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005340
Eilon Greenstein471de712008-08-13 15:49:35 -07005341 /* Zero this manually as its initialization is
5342 currently missing in the initTool */
5343 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5344 REG_WR(bp, BAR_USTRORM_INTMEM +
5345 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005346 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005347 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5348 CHIP_INT_MODE_IS_BC(bp) ?
5349 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5350 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005351}
5352
Eilon Greenstein471de712008-08-13 15:49:35 -07005353static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5354{
5355 switch (load_code) {
5356 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005357 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005358 bnx2x_init_internal_common(bp);
5359 /* no break */
5360
5361 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005362 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005363 /* no break */
5364
5365 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005366 /* internal memory per function is
5367 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005368 break;
5369
5370 default:
5371 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5372 break;
5373 }
5374}
5375
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005376static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5377{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005378 return fp->bp->igu_base_sb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005379}
5380
5381static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5382{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005383 return fp->bp->base_fw_ndsb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005384}
5385
5386static inline u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
5387{
5388 if (CHIP_IS_E1x(fp->bp))
5389 return BP_L_ID(fp->bp) + fp->index;
5390 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5391 return bnx2x_fp_igu_sb_id(fp);
5392}
5393
Ariel Elior6383c0b2011-07-14 08:31:57 +00005394static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005395{
5396 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005397 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005398 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005399 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005400 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005401 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005402 fp->cl_id = bnx2x_fp_cl_id(fp);
5403 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5404 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005405 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005406 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5407
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005408 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005409 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005410
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005411 /* Setup SB indicies */
5412 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005413
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005414 /* Configure Queue State object */
5415 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5416 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005417
5418 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5419
5420 /* init tx data */
5421 for_each_cos_in_tx_queue(fp, cos) {
5422 bnx2x_init_txdata(bp, &fp->txdata[cos],
5423 CID_COS_TO_TX_ONLY_CID(fp->cid, cos),
5424 FP_COS_TO_TXQ(fp, cos),
5425 BNX2X_TX_SB_INDEX_BASE + cos);
5426 cids[cos] = fp->txdata[cos].cid;
5427 }
5428
5429 bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, cids, fp->max_cos,
5430 BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
5431 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005432
5433 /**
5434 * Configure classification DBs: Always enable Tx switching
5435 */
5436 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5437
Merav Sicron51c1a582012-03-18 10:33:38 +00005438 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d igu_sb %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005439 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005440 fp->igu_sb_id);
5441 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5442 fp->fw_sb_id, fp->igu_sb_id);
5443
5444 bnx2x_update_fpsb_idx(fp);
5445}
5446
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005447void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005448{
5449 int i;
5450
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005451 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005452 bnx2x_init_eth_fp(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00005453#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005454 if (!NO_FCOE(bp))
5455 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005456
5457 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5458 BNX2X_VF_ID_INVALID, false,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005459 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005460
Michael Chan37b091b2009-10-10 13:46:55 +00005461#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005462
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005463 /* Initialize MOD_ABS interrupts */
5464 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5465 bp->common.shmem_base, bp->common.shmem2_base,
5466 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005467 /* ensure status block indices were read */
5468 rmb();
5469
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005470 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005471 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005472 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005473 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005474 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005475 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005476 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005477 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005478 bnx2x_stats_init(bp);
5479
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005480 /* flush all before enabling interrupts */
5481 mb();
5482 mmiowb();
5483
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005484 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005485
5486 /* Check for SPIO5 */
5487 bnx2x_attn_int_deasserted0(bp,
5488 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5489 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005490}
5491
5492/* end of nic init */
5493
5494/*
5495 * gzip service functions
5496 */
5497
5498static int bnx2x_gunzip_init(struct bnx2x *bp)
5499{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005500 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5501 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005502 if (bp->gunzip_buf == NULL)
5503 goto gunzip_nomem1;
5504
5505 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5506 if (bp->strm == NULL)
5507 goto gunzip_nomem2;
5508
David S. Miller7ab24bf2011-06-29 05:48:41 -07005509 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005510 if (bp->strm->workspace == NULL)
5511 goto gunzip_nomem3;
5512
5513 return 0;
5514
5515gunzip_nomem3:
5516 kfree(bp->strm);
5517 bp->strm = NULL;
5518
5519gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005520 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5521 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005522 bp->gunzip_buf = NULL;
5523
5524gunzip_nomem1:
Merav Sicron51c1a582012-03-18 10:33:38 +00005525 BNX2X_ERR("Cannot allocate firmware buffer for un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005526 return -ENOMEM;
5527}
5528
5529static void bnx2x_gunzip_end(struct bnx2x *bp)
5530{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005531 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005532 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005533 kfree(bp->strm);
5534 bp->strm = NULL;
5535 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005536
5537 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005538 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5539 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005540 bp->gunzip_buf = NULL;
5541 }
5542}
5543
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005544static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005545{
5546 int n, rc;
5547
5548 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005549 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5550 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005551 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005552 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005553
5554 n = 10;
5555
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005556#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005557
5558 if (zbuf[3] & FNAME)
5559 while ((zbuf[n++] != 0) && (n < len));
5560
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005561 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005562 bp->strm->avail_in = len - n;
5563 bp->strm->next_out = bp->gunzip_buf;
5564 bp->strm->avail_out = FW_BUF_SIZE;
5565
5566 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5567 if (rc != Z_OK)
5568 return rc;
5569
5570 rc = zlib_inflate(bp->strm, Z_FINISH);
5571 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005572 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5573 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005574
5575 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5576 if (bp->gunzip_outlen & 0x3)
Merav Sicron51c1a582012-03-18 10:33:38 +00005577 netdev_err(bp->dev,
5578 "Firmware decompression error: gunzip_outlen (%d) not aligned\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005579 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005580 bp->gunzip_outlen >>= 2;
5581
5582 zlib_inflateEnd(bp->strm);
5583
5584 if (rc == Z_STREAM_END)
5585 return 0;
5586
5587 return rc;
5588}
5589
5590/* nic load/unload */
5591
5592/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005593 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005594 */
5595
5596/* send a NIG loopback debug packet */
5597static void bnx2x_lb_pckt(struct bnx2x *bp)
5598{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005599 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005600
5601 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005602 wb_write[0] = 0x55555555;
5603 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005604 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005605 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005606
5607 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005608 wb_write[0] = 0x09000000;
5609 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005610 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005611 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005612}
5613
5614/* some of the internal memories
5615 * are not directly readable from the driver
5616 * to test them we send debug packets
5617 */
5618static int bnx2x_int_mem_test(struct bnx2x *bp)
5619{
5620 int factor;
5621 int count, i;
5622 u32 val = 0;
5623
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005624 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005625 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005626 else if (CHIP_REV_IS_EMUL(bp))
5627 factor = 200;
5628 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005629 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005630
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005631 /* Disable inputs of parser neighbor blocks */
5632 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5633 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5634 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005635 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005636
5637 /* Write 0 to parser credits for CFC search request */
5638 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5639
5640 /* send Ethernet packet */
5641 bnx2x_lb_pckt(bp);
5642
5643 /* TODO do i reset NIG statistic? */
5644 /* Wait until NIG register shows 1 packet of size 0x10 */
5645 count = 1000 * factor;
5646 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005647
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005648 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5649 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005650 if (val == 0x10)
5651 break;
5652
5653 msleep(10);
5654 count--;
5655 }
5656 if (val != 0x10) {
5657 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5658 return -1;
5659 }
5660
5661 /* Wait until PRS register shows 1 packet */
5662 count = 1000 * factor;
5663 while (count) {
5664 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005665 if (val == 1)
5666 break;
5667
5668 msleep(10);
5669 count--;
5670 }
5671 if (val != 0x1) {
5672 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5673 return -2;
5674 }
5675
5676 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005677 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005678 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005679 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005680 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005681 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5682 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005683
5684 DP(NETIF_MSG_HW, "part2\n");
5685
5686 /* Disable inputs of parser neighbor blocks */
5687 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5688 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5689 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005690 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005691
5692 /* Write 0 to parser credits for CFC search request */
5693 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5694
5695 /* send 10 Ethernet packets */
5696 for (i = 0; i < 10; i++)
5697 bnx2x_lb_pckt(bp);
5698
5699 /* Wait until NIG register shows 10 + 1
5700 packets of size 11*0x10 = 0xb0 */
5701 count = 1000 * factor;
5702 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005703
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005704 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5705 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005706 if (val == 0xb0)
5707 break;
5708
5709 msleep(10);
5710 count--;
5711 }
5712 if (val != 0xb0) {
5713 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5714 return -3;
5715 }
5716
5717 /* Wait until PRS register shows 2 packets */
5718 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5719 if (val != 2)
5720 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5721
5722 /* Write 1 to parser credits for CFC search request */
5723 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5724
5725 /* Wait until PRS register shows 3 packets */
5726 msleep(10 * factor);
5727 /* Wait until NIG register shows 1 packet of size 0x10 */
5728 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5729 if (val != 3)
5730 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5731
5732 /* clear NIG EOP FIFO */
5733 for (i = 0; i < 11; i++)
5734 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5735 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5736 if (val != 1) {
5737 BNX2X_ERR("clear of NIG failed\n");
5738 return -4;
5739 }
5740
5741 /* Reset and init BRB, PRS, NIG */
5742 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5743 msleep(50);
5744 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5745 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005746 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5747 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00005748#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005749 /* set NIC mode */
5750 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5751#endif
5752
5753 /* Enable inputs of parser neighbor blocks */
5754 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5755 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5756 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005757 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005758
5759 DP(NETIF_MSG_HW, "done\n");
5760
5761 return 0; /* OK */
5762}
5763
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005764static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005765{
5766 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005767 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005768 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
5769 else
5770 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005771 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5772 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005773 /*
5774 * mask read length error interrupts in brb for parser
5775 * (parsing unit and 'checksum and crc' unit)
5776 * these errors are legal (PU reads fixed length and CAC can cause
5777 * read length error on truncated packets)
5778 */
5779 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005780 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5781 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5782 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5783 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5784 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005785/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5786/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005787 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5788 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5789 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005790/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5791/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005792 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5793 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5794 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5795 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005796/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5797/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005798
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005799 if (CHIP_REV_IS_FPGA(bp))
5800 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005801 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005802 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
5803 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
5804 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
5805 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
5806 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
5807 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005808 else
5809 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005810 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5811 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5812 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005813/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005814
5815 if (!CHIP_IS_E1x(bp))
5816 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
5817 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
5818
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005819 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5820 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005821/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005822 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005823}
5824
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005825static void bnx2x_reset_common(struct bnx2x *bp)
5826{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005827 u32 val = 0x1400;
5828
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005829 /* reset_common */
5830 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5831 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005832
5833 if (CHIP_IS_E3(bp)) {
5834 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
5835 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
5836 }
5837
5838 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
5839}
5840
5841static void bnx2x_setup_dmae(struct bnx2x *bp)
5842{
5843 bp->dmae_ready = 0;
5844 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005845}
5846
Eilon Greenstein573f2032009-08-12 08:24:14 +00005847static void bnx2x_init_pxp(struct bnx2x *bp)
5848{
5849 u16 devctl;
5850 int r_order, w_order;
5851
5852 pci_read_config_word(bp->pdev,
Vladislav Zolotarovb6c2f862011-07-24 03:58:38 +00005853 pci_pcie_cap(bp->pdev) + PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00005854 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
5855 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
5856 if (bp->mrrs == -1)
5857 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
5858 else {
5859 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
5860 r_order = bp->mrrs;
5861 }
5862
5863 bnx2x_init_pxp_arb(bp, r_order, w_order);
5864}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005865
5866static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
5867{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005868 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005869 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005870 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005871
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005872 if (BP_NOMCP(bp))
5873 return;
5874
5875 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005876 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
5877 SHARED_HW_CFG_FAN_FAILURE_MASK;
5878
5879 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
5880 is_required = 1;
5881
5882 /*
5883 * The fan failure mechanism is usually related to the PHY type since
5884 * the power consumption of the board is affected by the PHY. Currently,
5885 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
5886 */
5887 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
5888 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005889 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005890 bnx2x_fan_failure_det_req(
5891 bp,
5892 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005893 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005894 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005895 }
5896
5897 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
5898
5899 if (is_required == 0)
5900 return;
5901
5902 /* Fan failure is indicated by SPIO 5 */
5903 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5904 MISC_REGISTERS_SPIO_INPUT_HI_Z);
5905
5906 /* set to active low mode */
5907 val = REG_RD(bp, MISC_REG_SPIO_INT);
5908 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005909 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005910 REG_WR(bp, MISC_REG_SPIO_INT, val);
5911
5912 /* enable interrupt to signal the IGU */
5913 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5914 val |= (1 << MISC_REGISTERS_SPIO_5);
5915 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5916}
5917
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005918static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
5919{
5920 u32 offset = 0;
5921
5922 if (CHIP_IS_E1(bp))
5923 return;
5924 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
5925 return;
5926
5927 switch (BP_ABS_FUNC(bp)) {
5928 case 0:
5929 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
5930 break;
5931 case 1:
5932 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
5933 break;
5934 case 2:
5935 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
5936 break;
5937 case 3:
5938 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
5939 break;
5940 case 4:
5941 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
5942 break;
5943 case 5:
5944 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
5945 break;
5946 case 6:
5947 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
5948 break;
5949 case 7:
5950 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
5951 break;
5952 default:
5953 return;
5954 }
5955
5956 REG_WR(bp, offset, pretend_func_num);
5957 REG_RD(bp, offset);
5958 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
5959}
5960
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00005961void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005962{
5963 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
5964 val &= ~IGU_PF_CONF_FUNC_EN;
5965
5966 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
5967 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
5968 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
5969}
5970
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005971static inline void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005972{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005973 u32 shmem_base[2], shmem2_base[2];
5974 shmem_base[0] = bp->common.shmem_base;
5975 shmem2_base[0] = bp->common.shmem2_base;
5976 if (!CHIP_IS_E1x(bp)) {
5977 shmem_base[1] =
5978 SHMEM2_RD(bp, other_shmem_base_addr);
5979 shmem2_base[1] =
5980 SHMEM2_RD(bp, other_shmem2_base_addr);
5981 }
5982 bnx2x_acquire_phy_lock(bp);
5983 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5984 bp->common.chip_id);
5985 bnx2x_release_phy_lock(bp);
5986}
5987
5988/**
5989 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
5990 *
5991 * @bp: driver handle
5992 */
5993static int bnx2x_init_hw_common(struct bnx2x *bp)
5994{
5995 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005996
Merav Sicron51c1a582012-03-18 10:33:38 +00005997 DP(NETIF_MSG_HW, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005998
David S. Miller823dcd22011-08-20 10:39:12 -07005999 /*
6000 * take the UNDI lock to protect undi_unload flow from accessing
6001 * registers while we're resetting the chip
6002 */
David S. Miller8decf862011-09-22 03:23:13 -04006003 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006004
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006005 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006006 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006007
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006008 val = 0xfffc;
6009 if (CHIP_IS_E3(bp)) {
6010 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6011 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6012 }
6013 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006014
David S. Miller8decf862011-09-22 03:23:13 -04006015 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006016
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006017 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6018
6019 if (!CHIP_IS_E1x(bp)) {
6020 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006021
6022 /**
6023 * 4-port mode or 2-port mode we need to turn of master-enable
6024 * for everyone, after that, turn it back on for self.
6025 * so, we disregard multi-function or not, and always disable
6026 * for all functions on the given path, this means 0,2,4,6 for
6027 * path 0 and 1,3,5,7 for path 1
6028 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006029 for (abs_func_id = BP_PATH(bp);
6030 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6031 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006032 REG_WR(bp,
6033 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6034 1);
6035 continue;
6036 }
6037
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006038 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006039 /* clear pf enable */
6040 bnx2x_pf_disable(bp);
6041 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6042 }
6043 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006044
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006045 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006046 if (CHIP_IS_E1(bp)) {
6047 /* enable HW interrupt from PXP on USDM overflow
6048 bit 16 on INT_MASK_0 */
6049 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006050 }
6051
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006052 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006053 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006054
6055#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006056 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6057 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6058 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6059 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6060 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006061 /* make sure this value is 0 */
6062 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006063
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006064/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6065 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6066 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6067 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6068 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006069#endif
6070
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006071 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6072
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006073 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6074 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006075
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006076 /* let the HW do it's magic ... */
6077 msleep(100);
6078 /* finish PXP init */
6079 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6080 if (val != 1) {
6081 BNX2X_ERR("PXP2 CFG failed\n");
6082 return -EBUSY;
6083 }
6084 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6085 if (val != 1) {
6086 BNX2X_ERR("PXP2 RD_INIT failed\n");
6087 return -EBUSY;
6088 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006089
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006090 /* Timers bug workaround E2 only. We need to set the entire ILT to
6091 * have entries with value "0" and valid bit on.
6092 * This needs to be done by the first PF that is loaded in a path
6093 * (i.e. common phase)
6094 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006095 if (!CHIP_IS_E1x(bp)) {
6096/* In E2 there is a bug in the timers block that can cause function 6 / 7
6097 * (i.e. vnic3) to start even if it is marked as "scan-off".
6098 * This occurs when a different function (func2,3) is being marked
6099 * as "scan-off". Real-life scenario for example: if a driver is being
6100 * load-unloaded while func6,7 are down. This will cause the timer to access
6101 * the ilt, translate to a logical address and send a request to read/write.
6102 * Since the ilt for the function that is down is not valid, this will cause
6103 * a translation error which is unrecoverable.
6104 * The Workaround is intended to make sure that when this happens nothing fatal
6105 * will occur. The workaround:
6106 * 1. First PF driver which loads on a path will:
6107 * a. After taking the chip out of reset, by using pretend,
6108 * it will write "0" to the following registers of
6109 * the other vnics.
6110 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6111 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6112 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6113 * And for itself it will write '1' to
6114 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6115 * dmae-operations (writing to pram for example.)
6116 * note: can be done for only function 6,7 but cleaner this
6117 * way.
6118 * b. Write zero+valid to the entire ILT.
6119 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6120 * VNIC3 (of that port). The range allocated will be the
6121 * entire ILT. This is needed to prevent ILT range error.
6122 * 2. Any PF driver load flow:
6123 * a. ILT update with the physical addresses of the allocated
6124 * logical pages.
6125 * b. Wait 20msec. - note that this timeout is needed to make
6126 * sure there are no requests in one of the PXP internal
6127 * queues with "old" ILT addresses.
6128 * c. PF enable in the PGLC.
6129 * d. Clear the was_error of the PF in the PGLC. (could have
6130 * occured while driver was down)
6131 * e. PF enable in the CFC (WEAK + STRONG)
6132 * f. Timers scan enable
6133 * 3. PF driver unload flow:
6134 * a. Clear the Timers scan_en.
6135 * b. Polling for scan_on=0 for that PF.
6136 * c. Clear the PF enable bit in the PXP.
6137 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6138 * e. Write zero+valid to all ILT entries (The valid bit must
6139 * stay set)
6140 * f. If this is VNIC 3 of a port then also init
6141 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6142 * to the last enrty in the ILT.
6143 *
6144 * Notes:
6145 * Currently the PF error in the PGLC is non recoverable.
6146 * In the future the there will be a recovery routine for this error.
6147 * Currently attention is masked.
6148 * Having an MCP lock on the load/unload process does not guarantee that
6149 * there is no Timer disable during Func6/7 enable. This is because the
6150 * Timers scan is currently being cleared by the MCP on FLR.
6151 * Step 2.d can be done only for PF6/7 and the driver can also check if
6152 * there is error before clearing it. But the flow above is simpler and
6153 * more general.
6154 * All ILT entries are written by zero+valid and not just PF6/7
6155 * ILT entries since in the future the ILT entries allocation for
6156 * PF-s might be dynamic.
6157 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006158 struct ilt_client_info ilt_cli;
6159 struct bnx2x_ilt ilt;
6160 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6161 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6162
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006163 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006164 ilt_cli.start = 0;
6165 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6166 ilt_cli.client_num = ILT_CLIENT_TM;
6167
6168 /* Step 1: set zeroes to all ilt page entries with valid bit on
6169 * Step 2: set the timers first/last ilt entry to point
6170 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006171 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006172 *
6173 * both steps performed by call to bnx2x_ilt_client_init_op()
6174 * with dummy TM client
6175 *
6176 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6177 * and his brother are split registers
6178 */
6179 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6180 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6181 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6182
6183 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6184 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6185 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6186 }
6187
6188
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006189 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6190 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006191
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006192 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006193 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6194 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006195 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006196
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006197 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006198
6199 /* let the HW do it's magic ... */
6200 do {
6201 msleep(200);
6202 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6203 } while (factor-- && (val != 1));
6204
6205 if (val != 1) {
6206 BNX2X_ERR("ATC_INIT failed\n");
6207 return -EBUSY;
6208 }
6209 }
6210
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006211 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006212
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006213 /* clean the DMAE memory */
6214 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006215 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006216
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006217 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6218
6219 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6220
6221 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6222
6223 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006224
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006225 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6226 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6227 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6228 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6229
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006230 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006231
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006232
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006233 /* QM queues pointers table */
6234 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006235
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006236 /* soft reset pulse */
6237 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6238 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006239
Michael Chan37b091b2009-10-10 13:46:55 +00006240#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006241 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006242#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006243
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006244 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006245 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006246 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006247 /* enable hw interrupt from doorbell Q */
6248 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006249
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006250 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006251
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006252 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006253 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006254
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006255 if (!CHIP_IS_E1(bp))
6256 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6257
6258 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp))
6259 /* Bit-map indicating which L2 hdrs may appear
6260 * after the basic Ethernet header
6261 */
6262 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6263 bp->path_has_ovlan ? 7 : 6);
6264
6265 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6266 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6267 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6268 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6269
6270 if (!CHIP_IS_E1x(bp)) {
6271 /* reset VFC memories */
6272 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6273 VFC_MEMORIES_RST_REG_CAM_RST |
6274 VFC_MEMORIES_RST_REG_RAM_RST);
6275 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6276 VFC_MEMORIES_RST_REG_CAM_RST |
6277 VFC_MEMORIES_RST_REG_RAM_RST);
6278
6279 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006280 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006281
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006282 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6283 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6284 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6285 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006286
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006287 /* sync semi rtc */
6288 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6289 0x80000000);
6290 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6291 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006292
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006293 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6294 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6295 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006296
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006297 if (!CHIP_IS_E1x(bp))
6298 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6299 bp->path_has_ovlan ? 7 : 6);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006300
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006301 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006302
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006303 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6304
Michael Chan37b091b2009-10-10 13:46:55 +00006305#ifdef BCM_CNIC
6306 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6307 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6308 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6309 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6310 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6311 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6312 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6313 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6314 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6315 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6316#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006317 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006318
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006319 if (sizeof(union cdu_context) != 1024)
6320 /* we currently assume that a context is 1024 bytes */
Merav Sicron51c1a582012-03-18 10:33:38 +00006321 dev_alert(&bp->pdev->dev,
6322 "please adjust the size of cdu_context(%ld)\n",
6323 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006324
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006325 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006326 val = (4 << 24) + (0 << 12) + 1024;
6327 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006328
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006329 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006330 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006331 /* enable context validation interrupt from CFC */
6332 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6333
6334 /* set the thresholds to prevent CFC/CDU race */
6335 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006336
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006337 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006338
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006339 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006340 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6341
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006342 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6343 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006344
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006345 /* Reset PCIE errors for debug */
6346 REG_WR(bp, 0x2814, 0xffffffff);
6347 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006348
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006349 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006350 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6351 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6352 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6353 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6354 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6355 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6356 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6357 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6358 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6359 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6360 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6361 }
6362
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006363 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006364 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006365 /* in E3 this done in per-port section */
6366 if (!CHIP_IS_E3(bp))
6367 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6368 }
6369 if (CHIP_IS_E1H(bp))
6370 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006371 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006372
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006373 if (CHIP_REV_IS_SLOW(bp))
6374 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006375
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006376 /* finish CFC init */
6377 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6378 if (val != 1) {
6379 BNX2X_ERR("CFC LL_INIT failed\n");
6380 return -EBUSY;
6381 }
6382 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6383 if (val != 1) {
6384 BNX2X_ERR("CFC AC_INIT failed\n");
6385 return -EBUSY;
6386 }
6387 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6388 if (val != 1) {
6389 BNX2X_ERR("CFC CAM_INIT failed\n");
6390 return -EBUSY;
6391 }
6392 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006393
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006394 if (CHIP_IS_E1(bp)) {
6395 /* read NIG statistic
6396 to see if this is our first up since powerup */
6397 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6398 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006399
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006400 /* do internal memory self test */
6401 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6402 BNX2X_ERR("internal mem self test failed\n");
6403 return -EBUSY;
6404 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006405 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006406
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006407 bnx2x_setup_fan_failure_detection(bp);
6408
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006409 /* clear PXP2 attentions */
6410 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006411
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006412 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006413 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006414
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006415 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006416 if (CHIP_IS_E1x(bp))
6417 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006418 } else
6419 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6420
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006421 return 0;
6422}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006423
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006424/**
6425 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6426 *
6427 * @bp: driver handle
6428 */
6429static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6430{
6431 int rc = bnx2x_init_hw_common(bp);
6432
6433 if (rc)
6434 return rc;
6435
6436 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6437 if (!BP_NOMCP(bp))
6438 bnx2x__common_init_phy(bp);
6439
6440 return 0;
6441}
6442
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006443static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006444{
6445 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006446 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006447 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006448 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006449
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006450 bnx2x__link_reset(bp);
6451
Merav Sicron51c1a582012-03-18 10:33:38 +00006452 DP(NETIF_MSG_HW, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006453
6454 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006455
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006456 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6457 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6458 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006459
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006460 /* Timers bug workaround: disables the pf_master bit in pglue at
6461 * common phase, we need to enable it here before any dmae access are
6462 * attempted. Therefore we manually added the enable-master to the
6463 * port phase (it also happens in the function phase)
6464 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006465 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006466 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6467
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006468 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6469 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6470 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6471 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6472
6473 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6474 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6475 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6476 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006477
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006478 /* QM cid (connection) count */
6479 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006480
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006481#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006482 bnx2x_init_block(bp, BLOCK_TM, init_phase);
Michael Chan37b091b2009-10-10 13:46:55 +00006483 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6484 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006485#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006486
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006487 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006488
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006489 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006490 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6491
6492 if (IS_MF(bp))
6493 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6494 else if (bp->dev->mtu > 4096) {
6495 if (bp->flags & ONE_PORT_FLAG)
6496 low = 160;
6497 else {
6498 val = bp->dev->mtu;
6499 /* (24*1024 + val*4)/256 */
6500 low = 96 + (val/64) +
6501 ((val % 64) ? 1 : 0);
6502 }
6503 } else
6504 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6505 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006506 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6507 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6508 }
6509
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006510 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006511 REG_WR(bp, (BP_PORT(bp) ?
6512 BRB1_REG_MAC_GUARANTIED_1 :
6513 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006514
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006515
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006516 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
6517 if (CHIP_IS_E3B0(bp))
6518 /* Ovlan exists only if we are in multi-function +
6519 * switch-dependent mode, in switch-independent there
6520 * is no ovlan headers
6521 */
6522 REG_WR(bp, BP_PORT(bp) ?
6523 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6524 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6525 (bp->path_has_ovlan ? 7 : 6));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006526
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006527 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6528 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6529 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6530 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6531
6532 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6533 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6534 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6535 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6536
6537 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6538 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6539
6540 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6541
6542 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006543 /* configure PBF to work without PAUSE mtu 9000 */
6544 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006545
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006546 /* update threshold */
6547 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6548 /* update init credit */
6549 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006550
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006551 /* probe changes */
6552 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6553 udelay(50);
6554 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6555 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006556
Michael Chan37b091b2009-10-10 13:46:55 +00006557#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006558 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006559#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006560 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6561 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006562
6563 if (CHIP_IS_E1(bp)) {
6564 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6565 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6566 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006567 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006568
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006569 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006570
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006571 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006572 /* init aeu_mask_attn_func_0/1:
6573 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6574 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6575 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006576 val = IS_MF(bp) ? 0xF7 : 0x7;
6577 /* Enable DCBX attention for all but E1 */
6578 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6579 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006580
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006581 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006582
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006583 if (!CHIP_IS_E1x(bp)) {
6584 /* Bit-map indicating which L2 hdrs may appear after the
6585 * basic Ethernet header
6586 */
6587 REG_WR(bp, BP_PORT(bp) ?
6588 NIG_REG_P1_HDRS_AFTER_BASIC :
6589 NIG_REG_P0_HDRS_AFTER_BASIC,
6590 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006591
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006592 if (CHIP_IS_E3(bp))
6593 REG_WR(bp, BP_PORT(bp) ?
6594 NIG_REG_LLH1_MF_MODE :
6595 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6596 }
6597 if (!CHIP_IS_E3(bp))
6598 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006599
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006600 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006601 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006602 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006603 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006604
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006605 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006606 val = 0;
6607 switch (bp->mf_mode) {
6608 case MULTI_FUNCTION_SD:
6609 val = 1;
6610 break;
6611 case MULTI_FUNCTION_SI:
6612 val = 2;
6613 break;
6614 }
6615
6616 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6617 NIG_REG_LLH0_CLS_TYPE), val);
6618 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006619 {
6620 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6621 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6622 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6623 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006624 }
6625
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006626
6627 /* If SPIO5 is set to generate interrupts, enable it for this port */
6628 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6629 if (val & (1 << MISC_REGISTERS_SPIO_5)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006630 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6631 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6632 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006633 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006634 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006635 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006636
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006637 return 0;
6638}
6639
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006640static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6641{
6642 int reg;
6643
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006644 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006645 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006646 else
6647 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006648
6649 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
6650}
6651
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006652static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
6653{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006654 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006655}
6656
6657static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
6658{
6659 u32 i, base = FUNC_ILT_BASE(func);
6660 for (i = base; i < base + ILT_PER_FUNC; i++)
6661 bnx2x_ilt_wr(bp, i, 0);
6662}
6663
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006664static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006665{
6666 int port = BP_PORT(bp);
6667 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006668 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006669 struct bnx2x_ilt *ilt = BP_ILT(bp);
6670 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00006671 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00006672 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00006673 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006674
Merav Sicron51c1a582012-03-18 10:33:38 +00006675 DP(NETIF_MSG_HW, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006676
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006677 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00006678 if (!CHIP_IS_E1x(bp)) {
6679 rc = bnx2x_pf_flr_clnup(bp);
6680 if (rc)
6681 return rc;
6682 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006683
Eilon Greenstein8badd272009-02-12 08:36:15 +00006684 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006685 if (bp->common.int_block == INT_BLOCK_HC) {
6686 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
6687 val = REG_RD(bp, addr);
6688 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
6689 REG_WR(bp, addr, val);
6690 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00006691
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006692 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6693 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
6694
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006695 ilt = BP_ILT(bp);
6696 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006697
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006698 for (i = 0; i < L2_ILT_LINES(bp); i++) {
6699 ilt->lines[cdu_ilt_start + i].page =
6700 bp->context.vcxt + (ILT_PAGE_CIDS * i);
6701 ilt->lines[cdu_ilt_start + i].page_mapping =
6702 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
6703 /* cdu ilt pages are allocated manually so there's no need to
6704 set the size */
6705 }
6706 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006707
Michael Chan37b091b2009-10-10 13:46:55 +00006708#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006709 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00006710
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006711 /* T1 hash bits value determines the T1 number of entries */
6712 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00006713#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006714
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006715#ifndef BCM_CNIC
6716 /* set NIC mode */
6717 REG_WR(bp, PRS_REG_NIC_MODE, 1);
6718#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006719
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006720 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006721 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
6722
6723 /* Turn on a single ISR mode in IGU if driver is going to use
6724 * INT#x or MSI
6725 */
6726 if (!(bp->flags & USING_MSIX_FLAG))
6727 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
6728 /*
6729 * Timers workaround bug: function init part.
6730 * Need to wait 20msec after initializing ILT,
6731 * needed to make sure there are no requests in
6732 * one of the PXP internal queues with "old" ILT addresses
6733 */
6734 msleep(20);
6735 /*
6736 * Master enable - Due to WB DMAE writes performed before this
6737 * register is re-initialized as part of the regular function
6738 * init
6739 */
6740 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6741 /* Enable the function in IGU */
6742 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
6743 }
6744
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006745 bp->dmae_ready = 1;
6746
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006747 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006748
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006749 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006750 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
6751
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006752 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6753 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6754 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
6755 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
6756 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6757 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6758 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6759 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6760 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
6761 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6762 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6763 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6764 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006765
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006766 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006767 REG_WR(bp, QM_REG_PF_EN, 1);
6768
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006769 if (!CHIP_IS_E1x(bp)) {
6770 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6771 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6772 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6773 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6774 }
6775 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006776
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006777 bnx2x_init_block(bp, BLOCK_TM, init_phase);
6778 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
6779 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6780 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
6781 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6782 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6783 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6784 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6785 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6786 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6787 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6788 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006789 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
6790
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006791 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006792
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006793 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006794
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006795 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006796 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
6797
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006798 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006799 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006800 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006801 }
6802
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006803 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006804
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006805 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006806 if (bp->common.int_block == INT_BLOCK_HC) {
6807 if (CHIP_IS_E1H(bp)) {
6808 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
6809
6810 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6811 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6812 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006813 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006814
6815 } else {
6816 int num_segs, sb_idx, prod_offset;
6817
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006818 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
6819
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006820 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006821 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6822 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6823 }
6824
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006825 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006826
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006827 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006828 int dsb_idx = 0;
6829 /**
6830 * Producer memory:
6831 * E2 mode: address 0-135 match to the mapping memory;
6832 * 136 - PF0 default prod; 137 - PF1 default prod;
6833 * 138 - PF2 default prod; 139 - PF3 default prod;
6834 * 140 - PF0 attn prod; 141 - PF1 attn prod;
6835 * 142 - PF2 attn prod; 143 - PF3 attn prod;
6836 * 144-147 reserved.
6837 *
6838 * E1.5 mode - In backward compatible mode;
6839 * for non default SB; each even line in the memory
6840 * holds the U producer and each odd line hold
6841 * the C producer. The first 128 producers are for
6842 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
6843 * producers are for the DSB for each PF.
6844 * Each PF has five segments: (the order inside each
6845 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
6846 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
6847 * 144-147 attn prods;
6848 */
6849 /* non-default-status-blocks */
6850 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
6851 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
6852 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
6853 prod_offset = (bp->igu_base_sb + sb_idx) *
6854 num_segs;
6855
6856 for (i = 0; i < num_segs; i++) {
6857 addr = IGU_REG_PROD_CONS_MEMORY +
6858 (prod_offset + i) * 4;
6859 REG_WR(bp, addr, 0);
6860 }
6861 /* send consumer update with value 0 */
6862 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
6863 USTORM_ID, 0, IGU_INT_NOP, 1);
6864 bnx2x_igu_clear_sb(bp,
6865 bp->igu_base_sb + sb_idx);
6866 }
6867
6868 /* default-status-blocks */
6869 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
6870 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
6871
6872 if (CHIP_MODE_IS_4_PORT(bp))
6873 dsb_idx = BP_FUNC(bp);
6874 else
David S. Miller8decf862011-09-22 03:23:13 -04006875 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006876
6877 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
6878 IGU_BC_BASE_DSB_PROD + dsb_idx :
6879 IGU_NORM_BASE_DSB_PROD + dsb_idx);
6880
David S. Miller8decf862011-09-22 03:23:13 -04006881 /*
6882 * igu prods come in chunks of E1HVN_MAX (4) -
6883 * does not matters what is the current chip mode
6884 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006885 for (i = 0; i < (num_segs * E1HVN_MAX);
6886 i += E1HVN_MAX) {
6887 addr = IGU_REG_PROD_CONS_MEMORY +
6888 (prod_offset + i)*4;
6889 REG_WR(bp, addr, 0);
6890 }
6891 /* send consumer update with 0 */
6892 if (CHIP_INT_MODE_IS_BC(bp)) {
6893 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6894 USTORM_ID, 0, IGU_INT_NOP, 1);
6895 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6896 CSTORM_ID, 0, IGU_INT_NOP, 1);
6897 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6898 XSTORM_ID, 0, IGU_INT_NOP, 1);
6899 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6900 TSTORM_ID, 0, IGU_INT_NOP, 1);
6901 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6902 ATTENTION_ID, 0, IGU_INT_NOP, 1);
6903 } else {
6904 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6905 USTORM_ID, 0, IGU_INT_NOP, 1);
6906 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6907 ATTENTION_ID, 0, IGU_INT_NOP, 1);
6908 }
6909 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
6910
6911 /* !!! these should become driver const once
6912 rf-tool supports split-68 const */
6913 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
6914 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
6915 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
6916 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
6917 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
6918 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
6919 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006920 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006921
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006922 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006923 REG_WR(bp, 0x2114, 0xffffffff);
6924 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006925
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00006926 if (CHIP_IS_E1x(bp)) {
6927 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
6928 main_mem_base = HC_REG_MAIN_MEMORY +
6929 BP_PORT(bp) * (main_mem_size * 4);
6930 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
6931 main_mem_width = 8;
6932
6933 val = REG_RD(bp, main_mem_prty_clr);
6934 if (val)
Merav Sicron51c1a582012-03-18 10:33:38 +00006935 DP(NETIF_MSG_HW,
6936 "Hmmm... Parity errors in HC block during function init (0x%x)!\n",
6937 val);
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00006938
6939 /* Clear "false" parity errors in MSI-X table */
6940 for (i = main_mem_base;
6941 i < main_mem_base + main_mem_size * 4;
6942 i += main_mem_width) {
6943 bnx2x_read_dmae(bp, i, main_mem_width / 4);
6944 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
6945 i, main_mem_width / 4);
6946 }
6947 /* Clear HC parity attention */
6948 REG_RD(bp, main_mem_prty_clr);
6949 }
6950
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006951#ifdef BNX2X_STOP_ON_ERROR
6952 /* Enable STORMs SP logging */
6953 REG_WR8(bp, BAR_USTRORM_INTMEM +
6954 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6955 REG_WR8(bp, BAR_TSTRORM_INTMEM +
6956 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6957 REG_WR8(bp, BAR_CSTRORM_INTMEM +
6958 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6959 REG_WR8(bp, BAR_XSTRORM_INTMEM +
6960 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6961#endif
6962
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006963 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006964
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006965 return 0;
6966}
6967
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006968
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006969void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006970{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006971 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006972 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006973 /* end of fastpath */
6974
6975 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006976 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006977
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006978 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
6979 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
6980
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006981 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006982 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006983
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006984 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
6985 bp->context.size);
6986
6987 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
6988
6989 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006990
Michael Chan37b091b2009-10-10 13:46:55 +00006991#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006992 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006993 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
6994 sizeof(struct host_hc_status_block_e2));
6995 else
6996 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
6997 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006998
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006999 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007000#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007001
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007002 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007003
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007004 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7005 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007006}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007007
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007008static inline int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
7009{
7010 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007011 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007012
Barak Witkowski50f0a562011-12-05 21:52:23 +00007013 /* number of queues for statistics is number of eth queues + FCoE */
7014 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007015
7016 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007017 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7018 * num of queues
7019 */
7020 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007021
7022
7023 /* Request is built from stats_query_header and an array of
7024 * stats_query_cmd_group each of which contains
7025 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7026 * configured in the stats_query_header.
7027 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007028 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7029 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007030
7031 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7032 num_groups * sizeof(struct stats_query_cmd_group);
7033
7034 /* Data for statistics requests + stats_conter
7035 *
7036 * stats_counter holds per-STORM counters that are incremented
7037 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007038 *
7039 * memory for FCoE offloaded statistics are counted anyway,
7040 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007041 */
7042 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7043 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007044 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007045 sizeof(struct per_queue_stats) * num_queue_stats +
7046 sizeof(struct stats_counter);
7047
7048 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7049 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7050
7051 /* Set shortcuts */
7052 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7053 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7054
7055 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7056 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7057
7058 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7059 bp->fw_stats_req_sz;
7060 return 0;
7061
7062alloc_mem_err:
7063 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7064 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
Merav Sicron51c1a582012-03-18 10:33:38 +00007065 BNX2X_ERR("Can't allocate memory\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007066 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007067}
7068
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007069
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007070int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007071{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007072#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007073 if (!CHIP_IS_E1x(bp))
7074 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007075 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7076 sizeof(struct host_hc_status_block_e2));
7077 else
7078 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
7079 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007080
7081 /* allocate searcher T2 table */
7082 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
7083#endif
7084
7085
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007086 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007087 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007088
7089 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7090 sizeof(struct bnx2x_slowpath));
7091
Mintz Yuval82fa8482012-02-15 02:10:29 +00007092#ifdef BCM_CNIC
7093 /* write address to which L5 should insert its values */
7094 bp->cnic_eth_dev.addr_drv_info_to_mcp = &bp->slowpath->drv_info_to_mcp;
7095#endif
7096
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007097 /* Allocated memory for FW statistics */
7098 if (bnx2x_alloc_fw_stats_mem(bp))
7099 goto alloc_mem_err;
7100
Ariel Elior6383c0b2011-07-14 08:31:57 +00007101 bp->context.size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007102
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007103 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
7104 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007105
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007106 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007107
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007108 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7109 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007110
7111 /* Slow path ring */
7112 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7113
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007114 /* EQ */
7115 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7116 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007117
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007118
7119 /* fastpath */
7120 /* need to be done at the end, since it's self adjusting to amount
7121 * of memory available for RSS queues
7122 */
7123 if (bnx2x_alloc_fp_mem(bp))
7124 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007125 return 0;
7126
7127alloc_mem_err:
7128 bnx2x_free_mem(bp);
Merav Sicron51c1a582012-03-18 10:33:38 +00007129 BNX2X_ERR("Can't allocate memory\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007130 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007131}
7132
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007133/*
7134 * Init service functions
7135 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007136
7137int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7138 struct bnx2x_vlan_mac_obj *obj, bool set,
7139 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007140{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007141 int rc;
7142 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007143
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007144 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007145
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007146 /* Fill general parameters */
7147 ramrod_param.vlan_mac_obj = obj;
7148 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007149
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007150 /* Fill a user request section if needed */
7151 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7152 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007153
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007154 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007155
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007156 /* Set the command: ADD or DEL */
7157 if (set)
7158 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7159 else
7160 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007161 }
7162
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007163 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
7164 if (rc < 0)
7165 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
7166 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007167}
7168
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007169int bnx2x_del_all_macs(struct bnx2x *bp,
7170 struct bnx2x_vlan_mac_obj *mac_obj,
7171 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007172{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007173 int rc;
7174 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7175
7176 /* Wait for completion of requested */
7177 if (wait_for_comp)
7178 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7179
7180 /* Set the mac type of addresses we want to clear */
7181 __set_bit(mac_type, &vlan_mac_flags);
7182
7183 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7184 if (rc < 0)
7185 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7186
7187 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007188}
7189
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007190int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007191{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007192 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007193
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007194#ifdef BCM_CNIC
Dmitry Kravkov9e62e912012-03-18 10:33:43 +00007195 if (is_zero_ether_addr(bp->dev->dev_addr) && IS_MF_STORAGE_SD(bp)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00007196 DP(NETIF_MSG_IFUP | NETIF_MSG_IFDOWN,
7197 "Ignoring Zero MAC for STORAGE SD mode\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007198 return 0;
7199 }
7200#endif
7201
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007202 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007203
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007204 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7205 /* Eth MAC is set on RSS leading client (fp[0]) */
7206 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->fp->mac_obj, set,
7207 BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007208}
7209
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007210int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007211{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007212 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007213}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007214
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007215/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007216 * bnx2x_set_int_mode - configure interrupt mode
7217 *
7218 * @bp: driver handle
7219 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007220 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007221 */
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007222static void __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007223{
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007224 switch (int_mode) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007225 case INT_MODE_MSI:
7226 bnx2x_enable_msi(bp);
7227 /* falling through... */
7228 case INT_MODE_INTx:
Ariel Elior6383c0b2011-07-14 08:31:57 +00007229 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Merav Sicron51c1a582012-03-18 10:33:38 +00007230 BNX2X_DEV_INFO("set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007231 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007232 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007233 /* Set number of queues according to bp->multi_mode value */
7234 bnx2x_set_num_queues(bp);
7235
Merav Sicron51c1a582012-03-18 10:33:38 +00007236 BNX2X_DEV_INFO("set number of queues to %d\n", bp->num_queues);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007237
7238 /* if we can't use MSI-X we only need one fp,
7239 * so try to enable MSI-X with the requested number of fp's
7240 * and fallback to MSI or legacy INTx with one fp
7241 */
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007242 if (bnx2x_enable_msix(bp)) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007243 /* failed to enable MSI-X */
Merav Sicron51c1a582012-03-18 10:33:38 +00007244 BNX2X_DEV_INFO("Failed to enable MSI-X (%d), set number of queues to %d\n",
7245 bp->num_queues, 1 + NON_ETH_CONTEXT_USE);
7246
Ariel Elior6383c0b2011-07-14 08:31:57 +00007247 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007248
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007249 /* Try to enable MSI */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007250 if (!(bp->flags & DISABLE_MSI_FLAG))
7251 bnx2x_enable_msi(bp);
7252 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007253 break;
7254 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007255}
7256
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007257/* must be called prioir to any HW initializations */
7258static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7259{
7260 return L2_ILT_LINES(bp);
7261}
7262
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007263void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007264{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007265 struct ilt_client_info *ilt_client;
7266 struct bnx2x_ilt *ilt = BP_ILT(bp);
7267 u16 line = 0;
7268
7269 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7270 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7271
7272 /* CDU */
7273 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7274 ilt_client->client_num = ILT_CLIENT_CDU;
7275 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7276 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7277 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007278 line += bnx2x_cid_ilt_lines(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007279#ifdef BCM_CNIC
7280 line += CNIC_ILT_LINES;
7281#endif
7282 ilt_client->end = line - 1;
7283
Merav Sicron51c1a582012-03-18 10:33:38 +00007284 DP(NETIF_MSG_IFUP, "ilt client[CDU]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007285 ilt_client->start,
7286 ilt_client->end,
7287 ilt_client->page_size,
7288 ilt_client->flags,
7289 ilog2(ilt_client->page_size >> 12));
7290
7291 /* QM */
7292 if (QM_INIT(bp->qm_cid_count)) {
7293 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7294 ilt_client->client_num = ILT_CLIENT_QM;
7295 ilt_client->page_size = QM_ILT_PAGE_SZ;
7296 ilt_client->flags = 0;
7297 ilt_client->start = line;
7298
7299 /* 4 bytes for each cid */
7300 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7301 QM_ILT_PAGE_SZ);
7302
7303 ilt_client->end = line - 1;
7304
Merav Sicron51c1a582012-03-18 10:33:38 +00007305 DP(NETIF_MSG_IFUP,
7306 "ilt client[QM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007307 ilt_client->start,
7308 ilt_client->end,
7309 ilt_client->page_size,
7310 ilt_client->flags,
7311 ilog2(ilt_client->page_size >> 12));
7312
7313 }
7314 /* SRC */
7315 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7316#ifdef BCM_CNIC
7317 ilt_client->client_num = ILT_CLIENT_SRC;
7318 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7319 ilt_client->flags = 0;
7320 ilt_client->start = line;
7321 line += SRC_ILT_LINES;
7322 ilt_client->end = line - 1;
7323
Merav Sicron51c1a582012-03-18 10:33:38 +00007324 DP(NETIF_MSG_IFUP,
7325 "ilt client[SRC]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007326 ilt_client->start,
7327 ilt_client->end,
7328 ilt_client->page_size,
7329 ilt_client->flags,
7330 ilog2(ilt_client->page_size >> 12));
7331
7332#else
7333 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7334#endif
7335
7336 /* TM */
7337 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7338#ifdef BCM_CNIC
7339 ilt_client->client_num = ILT_CLIENT_TM;
7340 ilt_client->page_size = TM_ILT_PAGE_SZ;
7341 ilt_client->flags = 0;
7342 ilt_client->start = line;
7343 line += TM_ILT_LINES;
7344 ilt_client->end = line - 1;
7345
Merav Sicron51c1a582012-03-18 10:33:38 +00007346 DP(NETIF_MSG_IFUP,
7347 "ilt client[TM]: start %d, end %d, psz 0x%x, flags 0x%x, hw psz %d\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007348 ilt_client->start,
7349 ilt_client->end,
7350 ilt_client->page_size,
7351 ilt_client->flags,
7352 ilog2(ilt_client->page_size >> 12));
7353
7354#else
7355 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7356#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007357 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007358}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007359
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007360/**
7361 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7362 *
7363 * @bp: driver handle
7364 * @fp: pointer to fastpath
7365 * @init_params: pointer to parameters structure
7366 *
7367 * parameters configured:
7368 * - HC configuration
7369 * - Queue's CDU context
7370 */
7371static inline void bnx2x_pf_q_prep_init(struct bnx2x *bp,
7372 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007373{
Ariel Elior6383c0b2011-07-14 08:31:57 +00007374
7375 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007376 /* FCoE Queue uses Default SB, thus has no HC capabilities */
7377 if (!IS_FCOE_FP(fp)) {
7378 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
7379 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
7380
7381 /* If HC is supporterd, enable host coalescing in the transition
7382 * to INIT state.
7383 */
7384 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
7385 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
7386
7387 /* HC rate */
7388 init_params->rx.hc_rate = bp->rx_ticks ?
7389 (1000000 / bp->rx_ticks) : 0;
7390 init_params->tx.hc_rate = bp->tx_ticks ?
7391 (1000000 / bp->tx_ticks) : 0;
7392
7393 /* FW SB ID */
7394 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
7395 fp->fw_sb_id;
7396
7397 /*
7398 * CQ index among the SB indices: FCoE clients uses the default
7399 * SB, therefore it's different.
7400 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007401 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
7402 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007403 }
7404
Ariel Elior6383c0b2011-07-14 08:31:57 +00007405 /* set maximum number of COSs supported by this queue */
7406 init_params->max_cos = fp->max_cos;
7407
Merav Sicron51c1a582012-03-18 10:33:38 +00007408 DP(NETIF_MSG_IFUP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007409 fp->index, init_params->max_cos);
7410
7411 /* set the context pointers queue object */
7412 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++)
7413 init_params->cxts[cos] =
7414 &bp->context.vcxt[fp->txdata[cos].cid].eth;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007415}
7416
Ariel Elior6383c0b2011-07-14 08:31:57 +00007417int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7418 struct bnx2x_queue_state_params *q_params,
7419 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
7420 int tx_index, bool leading)
7421{
7422 memset(tx_only_params, 0, sizeof(*tx_only_params));
7423
7424 /* Set the command */
7425 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
7426
7427 /* Set tx-only QUEUE flags: don't zero statistics */
7428 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
7429
7430 /* choose the index of the cid to send the slow path on */
7431 tx_only_params->cid_index = tx_index;
7432
7433 /* Set general TX_ONLY_SETUP parameters */
7434 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
7435
7436 /* Set Tx TX_ONLY_SETUP parameters */
7437 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
7438
Merav Sicron51c1a582012-03-18 10:33:38 +00007439 DP(NETIF_MSG_IFUP,
7440 "preparing to send tx-only ramrod for connection: cos %d, primary cid %d, cid %d, client id %d, sp-client id %d, flags %lx\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007441 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
7442 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
7443 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
7444
7445 /* send the ramrod */
7446 return bnx2x_queue_state_change(bp, q_params);
7447}
7448
7449
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007450/**
7451 * bnx2x_setup_queue - setup queue
7452 *
7453 * @bp: driver handle
7454 * @fp: pointer to fastpath
7455 * @leading: is leading
7456 *
7457 * This function performs 2 steps in a Queue state machine
7458 * actually: 1) RESET->INIT 2) INIT->SETUP
7459 */
7460
7461int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7462 bool leading)
7463{
Yuval Mintz3b603062012-03-18 10:33:39 +00007464 struct bnx2x_queue_state_params q_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007465 struct bnx2x_queue_setup_params *setup_params =
7466 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007467 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
7468 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007469 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007470 u8 tx_index;
7471
Merav Sicron51c1a582012-03-18 10:33:38 +00007472 DP(NETIF_MSG_IFUP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007473
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007474 /* reset IGU state skip FCoE L2 queue */
7475 if (!IS_FCOE_FP(fp))
7476 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007477 IGU_INT_ENABLE, 0);
7478
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007479 q_params.q_obj = &fp->q_obj;
7480 /* We want to wait for completion in this context */
7481 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007482
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007483 /* Prepare the INIT parameters */
7484 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007485
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007486 /* Set the command */
7487 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007488
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007489 /* Change the state to INIT */
7490 rc = bnx2x_queue_state_change(bp, &q_params);
7491 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00007492 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007493 return rc;
7494 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007495
Merav Sicron51c1a582012-03-18 10:33:38 +00007496 DP(NETIF_MSG_IFUP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00007497
7498
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007499 /* Now move the Queue to the SETUP state... */
7500 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007501
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007502 /* Set QUEUE flags */
7503 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007504
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007505 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007506 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
7507 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007508
Ariel Elior6383c0b2011-07-14 08:31:57 +00007509 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007510 &setup_params->rxq_params);
7511
Ariel Elior6383c0b2011-07-14 08:31:57 +00007512 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
7513 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007514
7515 /* Set the command */
7516 q_params.cmd = BNX2X_Q_CMD_SETUP;
7517
7518 /* Change the state to SETUP */
7519 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007520 if (rc) {
7521 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
7522 return rc;
7523 }
7524
7525 /* loop through the relevant tx-only indices */
7526 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7527 tx_index < fp->max_cos;
7528 tx_index++) {
7529
7530 /* prepare and send tx-only ramrod*/
7531 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
7532 tx_only_params, tx_index, leading);
7533 if (rc) {
7534 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
7535 fp->index, tx_index);
7536 return rc;
7537 }
7538 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007539
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007540 return rc;
7541}
7542
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007543static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007544{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007545 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007546 struct bnx2x_fp_txdata *txdata;
Yuval Mintz3b603062012-03-18 10:33:39 +00007547 struct bnx2x_queue_state_params q_params = {NULL};
Ariel Elior6383c0b2011-07-14 08:31:57 +00007548 int rc, tx_index;
7549
Merav Sicron51c1a582012-03-18 10:33:38 +00007550 DP(NETIF_MSG_IFDOWN, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007551
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007552 q_params.q_obj = &fp->q_obj;
7553 /* We want to wait for completion in this context */
7554 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007555
Ariel Elior6383c0b2011-07-14 08:31:57 +00007556
7557 /* close tx-only connections */
7558 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7559 tx_index < fp->max_cos;
7560 tx_index++){
7561
7562 /* ascertain this is a normal queue*/
7563 txdata = &fp->txdata[tx_index];
7564
Merav Sicron51c1a582012-03-18 10:33:38 +00007565 DP(NETIF_MSG_IFDOWN, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007566 txdata->txq_index);
7567
7568 /* send halt terminate on tx-only connection */
7569 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
7570 memset(&q_params.params.terminate, 0,
7571 sizeof(q_params.params.terminate));
7572 q_params.params.terminate.cid_index = tx_index;
7573
7574 rc = bnx2x_queue_state_change(bp, &q_params);
7575 if (rc)
7576 return rc;
7577
7578 /* send halt terminate on tx-only connection */
7579 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
7580 memset(&q_params.params.cfc_del, 0,
7581 sizeof(q_params.params.cfc_del));
7582 q_params.params.cfc_del.cid_index = tx_index;
7583 rc = bnx2x_queue_state_change(bp, &q_params);
7584 if (rc)
7585 return rc;
7586 }
7587 /* Stop the primary connection: */
7588 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007589 q_params.cmd = BNX2X_Q_CMD_HALT;
7590 rc = bnx2x_queue_state_change(bp, &q_params);
7591 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007592 return rc;
7593
Ariel Elior6383c0b2011-07-14 08:31:57 +00007594 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007595 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007596 memset(&q_params.params.terminate, 0,
7597 sizeof(q_params.params.terminate));
7598 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007599 rc = bnx2x_queue_state_change(bp, &q_params);
7600 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007601 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007602 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007603 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007604 memset(&q_params.params.cfc_del, 0,
7605 sizeof(q_params.params.cfc_del));
7606 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007607 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007608}
7609
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007610
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007611static void bnx2x_reset_func(struct bnx2x *bp)
7612{
7613 int port = BP_PORT(bp);
7614 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007615 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007616
7617 /* Disable the function in the FW */
7618 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
7619 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
7620 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
7621 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
7622
7623 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007624 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007625 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007626 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00007627 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
7628 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007629 }
7630
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007631#ifdef BCM_CNIC
7632 /* CNIC SB */
7633 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7634 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(bnx2x_cnic_fw_sb_id(bp)),
7635 SB_DISABLED);
7636#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007637 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007638 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00007639 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
7640 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007641
7642 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
7643 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
7644 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08007645
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007646 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007647 if (bp->common.int_block == INT_BLOCK_HC) {
7648 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7649 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7650 } else {
7651 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7652 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7653 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007654
Michael Chan37b091b2009-10-10 13:46:55 +00007655#ifdef BCM_CNIC
7656 /* Disable Timer scan */
7657 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
7658 /*
7659 * Wait for at least 10ms and up to 2 second for the timers scan to
7660 * complete
7661 */
7662 for (i = 0; i < 200; i++) {
7663 msleep(10);
7664 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
7665 break;
7666 }
7667#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007668 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007669 bnx2x_clear_func_ilt(bp, func);
7670
7671 /* Timers workaround bug for E2: if this is vnic-3,
7672 * we need to set the entire ilt range for this timers.
7673 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007674 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007675 struct ilt_client_info ilt_cli;
7676 /* use dummy TM client */
7677 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7678 ilt_cli.start = 0;
7679 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7680 ilt_cli.client_num = ILT_CLIENT_TM;
7681
7682 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7683 }
7684
7685 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007686 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007687 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007688
7689 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007690}
7691
7692static void bnx2x_reset_port(struct bnx2x *bp)
7693{
7694 int port = BP_PORT(bp);
7695 u32 val;
7696
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007697 /* Reset physical Link */
7698 bnx2x__link_reset(bp);
7699
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007700 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7701
7702 /* Do not rcv packets to BRB */
7703 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7704 /* Do not direct rcv packets that are not for MCP to the BRB */
7705 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7706 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7707
7708 /* Configure AEU */
7709 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7710
7711 msleep(100);
7712 /* Check for BRB port occupancy */
7713 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7714 if (val)
7715 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007716 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007717
7718 /* TODO: Close Doorbell port? */
7719}
7720
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007721static inline int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007722{
Yuval Mintz3b603062012-03-18 10:33:39 +00007723 struct bnx2x_func_state_params func_params = {NULL};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007724
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007725 /* Prepare parameters for function state transitions */
7726 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007727
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007728 func_params.f_obj = &bp->func_obj;
7729 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007730
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007731 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007732
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007733 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007734}
7735
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007736static inline int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007737{
Yuval Mintz3b603062012-03-18 10:33:39 +00007738 struct bnx2x_func_state_params func_params = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007739 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007740
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007741 /* Prepare parameters for function state transitions */
7742 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
7743 func_params.f_obj = &bp->func_obj;
7744 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007745
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007746 /*
7747 * Try to stop the function the 'good way'. If fails (in case
7748 * of a parity error during bnx2x_chip_cleanup()) and we are
7749 * not in a debug mode, perform a state transaction in order to
7750 * enable further HW_RESET transaction.
7751 */
7752 rc = bnx2x_func_state_change(bp, &func_params);
7753 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007754#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007755 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007756#else
Merav Sicron51c1a582012-03-18 10:33:38 +00007757 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry transaction\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007758 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
7759 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007760#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007761 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007762
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007763 return 0;
7764}
Yitchak Gertner65abd742008-08-25 15:26:24 -07007765
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007766/**
7767 * bnx2x_send_unload_req - request unload mode from the MCP.
7768 *
7769 * @bp: driver handle
7770 * @unload_mode: requested function's unload mode
7771 *
7772 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
7773 */
7774u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
7775{
7776 u32 reset_code = 0;
7777 int port = BP_PORT(bp);
7778
7779 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007780 if (unload_mode == UNLOAD_NORMAL)
7781 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007782
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007783 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007784 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007785
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007786 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007787 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007788 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007789 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04007790 u16 pmc;
7791
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007792 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04007793 * preserve entry 0 which is used by the PMF
7794 */
David S. Miller8decf862011-09-22 03:23:13 -04007795 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007796
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007797 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007798 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007799
7800 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7801 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007802 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007803
David S. Miller88c51002011-10-07 13:38:43 -04007804 /* Enable the PME and clear the status */
7805 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
7806 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
7807 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
7808
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007809 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007810
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007811 } else
7812 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7813
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007814 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007815 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007816 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007817 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007818 int path = BP_PATH(bp);
7819
Merav Sicron51c1a582012-03-18 10:33:38 +00007820 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007821 path, load_count[path][0], load_count[path][1],
7822 load_count[path][2]);
7823 load_count[path][0]--;
7824 load_count[path][1 + port]--;
Merav Sicron51c1a582012-03-18 10:33:38 +00007825 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] %d, %d, %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007826 path, load_count[path][0], load_count[path][1],
7827 load_count[path][2]);
7828 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007829 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007830 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007831 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7832 else
7833 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7834 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007835
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007836 return reset_code;
7837}
7838
7839/**
7840 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
7841 *
7842 * @bp: driver handle
7843 */
7844void bnx2x_send_unload_done(struct bnx2x *bp)
7845{
7846 /* Report UNLOAD_DONE to MCP */
7847 if (!BP_NOMCP(bp))
7848 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7849}
7850
Dmitry Kravkov6debea82011-07-19 01:42:04 +00007851static inline int bnx2x_func_wait_started(struct bnx2x *bp)
7852{
7853 int tout = 50;
7854 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
7855
7856 if (!bp->port.pmf)
7857 return 0;
7858
7859 /*
7860 * (assumption: No Attention from MCP at this stage)
7861 * PMF probably in the middle of TXdisable/enable transaction
7862 * 1. Sync IRS for default SB
7863 * 2. Sync SP queue - this guarantes us that attention handling started
7864 * 3. Wait, that TXdisable/enable transaction completes
7865 *
7866 * 1+2 guranty that if DCBx attention was scheduled it already changed
7867 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
7868 * received complettion for the transaction the state is TX_STOPPED.
7869 * State will return to STARTED after completion of TX_STOPPED-->STARTED
7870 * transaction.
7871 */
7872
7873 /* make sure default SB ISR is done */
7874 if (msix)
7875 synchronize_irq(bp->msix_table[0].vector);
7876 else
7877 synchronize_irq(bp->pdev->irq);
7878
7879 flush_workqueue(bnx2x_wq);
7880
7881 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
7882 BNX2X_F_STATE_STARTED && tout--)
7883 msleep(20);
7884
7885 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
7886 BNX2X_F_STATE_STARTED) {
7887#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00007888 BNX2X_ERR("Wrong function state\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00007889 return -EBUSY;
7890#else
7891 /*
7892 * Failed to complete the transaction in a "good way"
7893 * Force both transactions with CLR bit
7894 */
Yuval Mintz3b603062012-03-18 10:33:39 +00007895 struct bnx2x_func_state_params func_params = {NULL};
Dmitry Kravkov6debea82011-07-19 01:42:04 +00007896
Merav Sicron51c1a582012-03-18 10:33:38 +00007897 DP(NETIF_MSG_IFDOWN,
7898 "Hmmm... unexpected function state! Forcing STARTED-->TX_ST0PPED-->STARTED\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00007899
7900 func_params.f_obj = &bp->func_obj;
7901 __set_bit(RAMROD_DRV_CLR_ONLY,
7902 &func_params.ramrod_flags);
7903
7904 /* STARTED-->TX_ST0PPED */
7905 func_params.cmd = BNX2X_F_CMD_TX_STOP;
7906 bnx2x_func_state_change(bp, &func_params);
7907
7908 /* TX_ST0PPED-->STARTED */
7909 func_params.cmd = BNX2X_F_CMD_TX_START;
7910 return bnx2x_func_state_change(bp, &func_params);
7911#endif
7912 }
7913
7914 return 0;
7915}
7916
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007917void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
7918{
7919 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007920 int i, rc = 0;
7921 u8 cos;
Yuval Mintz3b603062012-03-18 10:33:39 +00007922 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007923 u32 reset_code;
7924
7925 /* Wait until tx fastpath tasks complete */
7926 for_each_tx_queue(bp, i) {
7927 struct bnx2x_fastpath *fp = &bp->fp[i];
7928
Ariel Elior6383c0b2011-07-14 08:31:57 +00007929 for_each_cos_in_tx_queue(fp, cos)
7930 rc = bnx2x_clean_tx_queue(bp, &fp->txdata[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007931#ifdef BNX2X_STOP_ON_ERROR
7932 if (rc)
7933 return;
7934#endif
7935 }
7936
7937 /* Give HW time to discard old tx messages */
7938 usleep_range(1000, 1000);
7939
7940 /* Clean all ETH MACs */
7941 rc = bnx2x_del_all_macs(bp, &bp->fp[0].mac_obj, BNX2X_ETH_MAC, false);
7942 if (rc < 0)
7943 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
7944
7945 /* Clean up UC list */
7946 rc = bnx2x_del_all_macs(bp, &bp->fp[0].mac_obj, BNX2X_UC_LIST_MAC,
7947 true);
7948 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +00007949 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
7950 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007951
7952 /* Disable LLH */
7953 if (!CHIP_IS_E1(bp))
7954 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7955
7956 /* Set "drop all" (stop Rx).
7957 * We need to take a netif_addr_lock() here in order to prevent
7958 * a race between the completion code and this code.
7959 */
7960 netif_addr_lock_bh(bp->dev);
7961 /* Schedule the rx_mode command */
7962 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
7963 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
7964 else
7965 bnx2x_set_storm_rx_mode(bp);
7966
7967 /* Cleanup multicast configuration */
7968 rparam.mcast_obj = &bp->mcast_obj;
7969 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
7970 if (rc < 0)
7971 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
7972
7973 netif_addr_unlock_bh(bp->dev);
7974
7975
Dmitry Kravkov6debea82011-07-19 01:42:04 +00007976
7977 /*
7978 * Send the UNLOAD_REQUEST to the MCP. This will return if
7979 * this function should perform FUNC, PORT or COMMON HW
7980 * reset.
7981 */
7982 reset_code = bnx2x_send_unload_req(bp, unload_mode);
7983
7984 /*
7985 * (assumption: No Attention from MCP at this stage)
7986 * PMF probably in the middle of TXdisable/enable transaction
7987 */
7988 rc = bnx2x_func_wait_started(bp);
7989 if (rc) {
7990 BNX2X_ERR("bnx2x_func_wait_started failed\n");
7991#ifdef BNX2X_STOP_ON_ERROR
7992 return;
7993#endif
7994 }
7995
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007996 /* Close multi and leading connections
7997 * Completions for ramrods are collected in a synchronous way
7998 */
7999 for_each_queue(bp, i)
8000 if (bnx2x_stop_queue(bp, i))
8001#ifdef BNX2X_STOP_ON_ERROR
8002 return;
8003#else
8004 goto unload_error;
8005#endif
8006 /* If SP settings didn't get completed so far - something
8007 * very wrong has happen.
8008 */
8009 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8010 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8011
8012#ifndef BNX2X_STOP_ON_ERROR
8013unload_error:
8014#endif
8015 rc = bnx2x_func_stop(bp);
8016 if (rc) {
8017 BNX2X_ERR("Function stop failed!\n");
8018#ifdef BNX2X_STOP_ON_ERROR
8019 return;
8020#endif
8021 }
8022
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008023 /* Disable HW interrupts, NAPI */
8024 bnx2x_netif_stop(bp, 1);
8025
8026 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008027 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008028
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008029 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008030 rc = bnx2x_reset_hw(bp, reset_code);
8031 if (rc)
8032 BNX2X_ERR("HW_RESET failed\n");
8033
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008034
8035 /* Report UNLOAD_DONE to MCP */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008036 bnx2x_send_unload_done(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008037}
8038
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008039void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008040{
8041 u32 val;
8042
Merav Sicron51c1a582012-03-18 10:33:38 +00008043 DP(NETIF_MSG_IFDOWN, "Disabling \"close the gates\"\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008044
8045 if (CHIP_IS_E1(bp)) {
8046 int port = BP_PORT(bp);
8047 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8048 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8049
8050 val = REG_RD(bp, addr);
8051 val &= ~(0x300);
8052 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008053 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008054 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8055 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8056 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8057 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8058 }
8059}
8060
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008061/* Close gates #2, #3 and #4: */
8062static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8063{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008064 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008065
8066 /* Gates #2 and #4a are closed/opened for "not E1" only */
8067 if (!CHIP_IS_E1(bp)) {
8068 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008069 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008070 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008071 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008072 }
8073
8074 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008075 if (CHIP_IS_E1x(bp)) {
8076 /* Prevent interrupts from HC on both ports */
8077 val = REG_RD(bp, HC_REG_CONFIG_1);
8078 REG_WR(bp, HC_REG_CONFIG_1,
8079 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8080 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8081
8082 val = REG_RD(bp, HC_REG_CONFIG_0);
8083 REG_WR(bp, HC_REG_CONFIG_0,
8084 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8085 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8086 } else {
8087 /* Prevent incomming interrupts in IGU */
8088 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8089
8090 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8091 (!close) ?
8092 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8093 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8094 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008095
Merav Sicron51c1a582012-03-18 10:33:38 +00008096 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "%s gates #2, #3 and #4\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008097 close ? "closing" : "opening");
8098 mmiowb();
8099}
8100
8101#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8102
8103static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8104{
8105 /* Do some magic... */
8106 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8107 *magic_val = val & SHARED_MF_CLP_MAGIC;
8108 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8109}
8110
Dmitry Kravkove8920672011-05-04 23:52:40 +00008111/**
8112 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008113 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008114 * @bp: driver handle
8115 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008116 */
8117static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8118{
8119 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008120 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8121 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8122 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8123}
8124
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008125/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008126 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008127 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008128 * @bp: driver handle
8129 * @magic_val: old value of 'magic' bit.
8130 *
8131 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008132 */
8133static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8134{
8135 u32 shmem;
8136 u32 validity_offset;
8137
Merav Sicron51c1a582012-03-18 10:33:38 +00008138 DP(NETIF_MSG_HW | NETIF_MSG_IFUP, "Starting\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008139
8140 /* Set `magic' bit in order to save MF config */
8141 if (!CHIP_IS_E1(bp))
8142 bnx2x_clp_reset_prep(bp, magic_val);
8143
8144 /* Get shmem offset */
8145 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8146 validity_offset = offsetof(struct shmem_region, validity_map[0]);
8147
8148 /* Clear validity map flags */
8149 if (shmem > 0)
8150 REG_WR(bp, shmem + validity_offset, 0);
8151}
8152
8153#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8154#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8155
Dmitry Kravkove8920672011-05-04 23:52:40 +00008156/**
8157 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008158 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008159 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008160 */
8161static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
8162{
8163 /* special handling for emulation and FPGA,
8164 wait 10 times longer */
8165 if (CHIP_REV_IS_SLOW(bp))
8166 msleep(MCP_ONE_TIMEOUT*10);
8167 else
8168 msleep(MCP_ONE_TIMEOUT);
8169}
8170
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008171/*
8172 * initializes bp->common.shmem_base and waits for validity signature to appear
8173 */
8174static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008175{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008176 int cnt = 0;
8177 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008178
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008179 do {
8180 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8181 if (bp->common.shmem_base) {
8182 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8183 if (val & SHR_MEM_VALIDITY_MB)
8184 return 0;
8185 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008186
8187 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008188
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008189 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008190
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008191 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008192
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008193 return -ENODEV;
8194}
8195
8196static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8197{
8198 int rc = bnx2x_init_shmem(bp);
8199
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008200 /* Restore the `magic' bit value */
8201 if (!CHIP_IS_E1(bp))
8202 bnx2x_clp_reset_done(bp, magic_val);
8203
8204 return rc;
8205}
8206
8207static void bnx2x_pxp_prep(struct bnx2x *bp)
8208{
8209 if (!CHIP_IS_E1(bp)) {
8210 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8211 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008212 mmiowb();
8213 }
8214}
8215
8216/*
8217 * Reset the whole chip except for:
8218 * - PCIE core
8219 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8220 * one reset bit)
8221 * - IGU
8222 * - MISC (including AEU)
8223 * - GRC
8224 * - RBCN, RBCP
8225 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008226static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008227{
8228 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008229 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008230
8231 /*
8232 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8233 * (per chip) blocks.
8234 */
8235 global_bits2 =
8236 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8237 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008238
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008239 /* Don't reset the following blocks */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008240 not_reset_mask1 =
8241 MISC_REGISTERS_RESET_REG_1_RST_HC |
8242 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8243 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8244
8245 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008246 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008247 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8248 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8249 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8250 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8251 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8252 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008253 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8254 MISC_REGISTERS_RESET_REG_2_RST_ATC |
8255 MISC_REGISTERS_RESET_REG_2_PGLC;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008256
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008257 /*
8258 * Keep the following blocks in reset:
8259 * - all xxMACs are handled by the bnx2x_link code.
8260 */
8261 stay_reset2 =
8262 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
8263 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
8264 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
8265 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
8266 MISC_REGISTERS_RESET_REG_2_UMAC0 |
8267 MISC_REGISTERS_RESET_REG_2_UMAC1 |
8268 MISC_REGISTERS_RESET_REG_2_XMAC |
8269 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8270
8271 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008272 reset_mask1 = 0xffffffff;
8273
8274 if (CHIP_IS_E1(bp))
8275 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008276 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008277 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008278 else if (CHIP_IS_E2(bp))
8279 reset_mask2 = 0xfffff;
8280 else /* CHIP_IS_E3 */
8281 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008282
8283 /* Don't reset global blocks unless we need to */
8284 if (!global)
8285 reset_mask2 &= ~global_bits2;
8286
8287 /*
8288 * In case of attention in the QM, we need to reset PXP
8289 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8290 * because otherwise QM reset would release 'close the gates' shortly
8291 * before resetting the PXP, then the PSWRQ would send a write
8292 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8293 * read the payload data from PSWWR, but PSWWR would not
8294 * respond. The write queue in PGLUE would stuck, dmae commands
8295 * would not return. Therefore it's important to reset the second
8296 * reset register (containing the
8297 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8298 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8299 * bit).
8300 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008301 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8302 reset_mask2 & (~not_reset_mask2));
8303
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008304 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8305 reset_mask1 & (~not_reset_mask1));
8306
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008307 barrier();
8308 mmiowb();
8309
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008310 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8311 reset_mask2 & (~stay_reset2));
8312
8313 barrier();
8314 mmiowb();
8315
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008316 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008317 mmiowb();
8318}
8319
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008320/**
8321 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8322 * It should get cleared in no more than 1s.
8323 *
8324 * @bp: driver handle
8325 *
8326 * It should get cleared in no more than 1s. Returns 0 if
8327 * pending writes bit gets cleared.
8328 */
8329static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8330{
8331 u32 cnt = 1000;
8332 u32 pend_bits = 0;
8333
8334 do {
8335 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8336
8337 if (pend_bits == 0)
8338 break;
8339
8340 usleep_range(1000, 1000);
8341 } while (cnt-- > 0);
8342
8343 if (cnt <= 0) {
8344 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
8345 pend_bits);
8346 return -EBUSY;
8347 }
8348
8349 return 0;
8350}
8351
8352static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008353{
8354 int cnt = 1000;
8355 u32 val = 0;
8356 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
8357
8358
8359 /* Empty the Tetris buffer, wait for 1s */
8360 do {
8361 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
8362 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
8363 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
8364 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
8365 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
8366 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
8367 ((port_is_idle_0 & 0x1) == 0x1) &&
8368 ((port_is_idle_1 & 0x1) == 0x1) &&
8369 (pgl_exp_rom2 == 0xffffffff))
8370 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008371 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008372 } while (cnt-- > 0);
8373
8374 if (cnt <= 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008375 BNX2X_ERR("Tetris buffer didn't get empty or there are still outstanding read requests after 1s!\n");
8376 BNX2X_ERR("sr_cnt=0x%08x, blk_cnt=0x%08x, port_is_idle_0=0x%08x, port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008377 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
8378 pgl_exp_rom2);
8379 return -EAGAIN;
8380 }
8381
8382 barrier();
8383
8384 /* Close gates #2, #3 and #4 */
8385 bnx2x_set_234_gates(bp, true);
8386
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008387 /* Poll for IGU VQs for 57712 and newer chips */
8388 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
8389 return -EAGAIN;
8390
8391
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008392 /* TBD: Indicate that "process kill" is in progress to MCP */
8393
8394 /* Clear "unprepared" bit */
8395 REG_WR(bp, MISC_REG_UNPREPARED, 0);
8396 barrier();
8397
8398 /* Make sure all is written to the chip before the reset */
8399 mmiowb();
8400
8401 /* Wait for 1ms to empty GLUE and PCI-E core queues,
8402 * PSWHST, GRC and PSWRD Tetris buffer.
8403 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008404 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008405
8406 /* Prepare to chip reset: */
8407 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008408 if (global)
8409 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008410
8411 /* PXP */
8412 bnx2x_pxp_prep(bp);
8413 barrier();
8414
8415 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008416 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008417 barrier();
8418
8419 /* Recover after reset: */
8420 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008421 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008422 return -EAGAIN;
8423
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008424 /* TBD: Add resetting the NO_MCP mode DB here */
8425
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008426 /* PXP */
8427 bnx2x_pxp_prep(bp);
8428
8429 /* Open the gates #2, #3 and #4 */
8430 bnx2x_set_234_gates(bp, false);
8431
8432 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
8433 * reset state, re-enable attentions. */
8434
8435 return 0;
8436}
8437
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008438int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008439{
8440 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008441 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00008442 u32 load_code;
8443
8444 /* if not going to reset MCP - load "fake" driver to reset HW while
8445 * driver is owner of the HW
8446 */
8447 if (!global && !BP_NOMCP(bp)) {
8448 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ, 0);
8449 if (!load_code) {
8450 BNX2X_ERR("MCP response failure, aborting\n");
8451 rc = -EAGAIN;
8452 goto exit_leader_reset;
8453 }
8454 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
8455 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
8456 BNX2X_ERR("MCP unexpected resp, aborting\n");
8457 rc = -EAGAIN;
8458 goto exit_leader_reset2;
8459 }
8460 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
8461 if (!load_code) {
8462 BNX2X_ERR("MCP response failure, aborting\n");
8463 rc = -EAGAIN;
8464 goto exit_leader_reset2;
8465 }
8466 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008467
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008468 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008469 if (bnx2x_process_kill(bp, global)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008470 BNX2X_ERR("Something bad had happen on engine %d! Aii!\n",
8471 BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008472 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008473 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008474 }
8475
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008476 /*
8477 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
8478 * state.
8479 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008480 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008481 if (global)
8482 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008483
Ariel Elior95c6c6162012-01-26 06:01:52 +00008484exit_leader_reset2:
8485 /* unload "fake driver" if it was loaded */
8486 if (!global && !BP_NOMCP(bp)) {
8487 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
8488 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8489 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008490exit_leader_reset:
8491 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008492 bnx2x_release_leader_lock(bp);
8493 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008494 return rc;
8495}
8496
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008497static inline void bnx2x_recovery_failed(struct bnx2x *bp)
8498{
8499 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
8500
8501 /* Disconnect this device */
8502 netif_device_detach(bp->dev);
8503
8504 /*
8505 * Block ifup for all function on this engine until "process kill"
8506 * or power cycle.
8507 */
8508 bnx2x_set_reset_in_progress(bp);
8509
8510 /* Shut down the power */
8511 bnx2x_set_power_state(bp, PCI_D3hot);
8512
8513 bp->recovery_state = BNX2X_RECOVERY_FAILED;
8514
8515 smp_mb();
8516}
8517
8518/*
8519 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00008520 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008521 * will never be called when netif_running(bp->dev) is false.
8522 */
8523static void bnx2x_parity_recover(struct bnx2x *bp)
8524{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008525 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00008526 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008527 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008528
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008529 DP(NETIF_MSG_HW, "Handling parity\n");
8530 while (1) {
8531 switch (bp->recovery_state) {
8532 case BNX2X_RECOVERY_INIT:
8533 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00008534 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
8535 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008536
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008537 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008538 if (bnx2x_trylock_leader_lock(bp)) {
8539 bnx2x_set_reset_in_progress(bp);
8540 /*
8541 * Check if there is a global attention and if
8542 * there was a global attention, set the global
8543 * reset bit.
8544 */
8545
8546 if (global)
8547 bnx2x_set_reset_global(bp);
8548
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008549 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008550 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008551
8552 /* Stop the driver */
8553 /* If interface has been removed - break */
8554 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
8555 return;
8556
8557 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008558
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008559 /* Ensure "is_leader", MCP command sequence and
8560 * "recovery_state" update values are seen on other
8561 * CPUs.
8562 */
8563 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008564 break;
8565
8566 case BNX2X_RECOVERY_WAIT:
8567 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
8568 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008569 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00008570 bool other_load_status =
8571 bnx2x_get_load_status(bp, other_engine);
8572 bool load_status =
8573 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008574 global = bnx2x_reset_is_global(bp);
8575
8576 /*
8577 * In case of a parity in a global block, let
8578 * the first leader that performs a
8579 * leader_reset() reset the global blocks in
8580 * order to clear global attentions. Otherwise
8581 * the the gates will remain closed for that
8582 * engine.
8583 */
Ariel Elior889b9af2012-01-26 06:01:51 +00008584 if (load_status ||
8585 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008586 /* Wait until all other functions get
8587 * down.
8588 */
Ariel Elior7be08a72011-07-14 08:31:19 +00008589 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008590 HZ/10);
8591 return;
8592 } else {
8593 /* If all other functions got down -
8594 * try to bring the chip back to
8595 * normal. In any case it's an exit
8596 * point for a leader.
8597 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008598 if (bnx2x_leader_reset(bp)) {
8599 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008600 return;
8601 }
8602
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008603 /* If we are here, means that the
8604 * leader has succeeded and doesn't
8605 * want to be a leader any more. Try
8606 * to continue as a none-leader.
8607 */
8608 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008609 }
8610 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008611 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008612 /* Try to get a LEADER_LOCK HW lock as
8613 * long as a former leader may have
8614 * been unloaded by the user or
8615 * released a leadership by another
8616 * reason.
8617 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008618 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008619 /* I'm a leader now! Restart a
8620 * switch case.
8621 */
8622 bp->is_leader = 1;
8623 break;
8624 }
8625
Ariel Elior7be08a72011-07-14 08:31:19 +00008626 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008627 HZ/10);
8628 return;
8629
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008630 } else {
8631 /*
8632 * If there was a global attention, wait
8633 * for it to be cleared.
8634 */
8635 if (bnx2x_reset_is_global(bp)) {
8636 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00008637 &bp->sp_rtnl_task,
8638 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008639 return;
8640 }
8641
Ariel Elior7a752992012-01-26 06:01:53 +00008642 error_recovered =
8643 bp->eth_stats.recoverable_error;
8644 error_unrecovered =
8645 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008646 bp->recovery_state =
8647 BNX2X_RECOVERY_NIC_LOADING;
8648 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00008649 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008650 netdev_err(bp->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +00008651 "Recovery failed. Power cycle needed\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00008652 /* Disconnect this device */
8653 netif_device_detach(bp->dev);
8654 /* Shut down the power */
8655 bnx2x_set_power_state(
8656 bp, PCI_D3hot);
8657 smp_mb();
8658 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008659 bp->recovery_state =
8660 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00008661 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008662 smp_mb();
8663 }
Ariel Elior7a752992012-01-26 06:01:53 +00008664 bp->eth_stats.recoverable_error =
8665 error_recovered;
8666 bp->eth_stats.unrecoverable_error =
8667 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008668
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008669 return;
8670 }
8671 }
8672 default:
8673 return;
8674 }
8675 }
8676}
8677
Michal Schmidt56ad3152012-02-16 02:38:48 +00008678static int bnx2x_close(struct net_device *dev);
8679
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008680/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
8681 * scheduled on a general queue in order to prevent a dead lock.
8682 */
Ariel Elior7be08a72011-07-14 08:31:19 +00008683static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008684{
Ariel Elior7be08a72011-07-14 08:31:19 +00008685 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008686
8687 rtnl_lock();
8688
8689 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00008690 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008691
Ariel Elior7be08a72011-07-14 08:31:19 +00008692 /* if stop on error is defined no recovery flows should be executed */
8693#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +00008694 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined so reset not done to allow debug dump,\n"
Ariel Elior7be08a72011-07-14 08:31:19 +00008695 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008696 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00008697#endif
8698
8699 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
8700 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008701 * Clear all pending SP commands as we are going to reset the
8702 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00008703 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008704 bp->sp_rtnl_state = 0;
8705 smp_mb();
8706
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008707 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008708
8709 goto sp_rtnl_exit;
8710 }
8711
8712 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
8713 /*
8714 * Clear all pending SP commands as we are going to reset the
8715 * function anyway.
8716 */
8717 bp->sp_rtnl_state = 0;
8718 smp_mb();
8719
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008720 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8721 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008722
8723 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008724 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008725#ifdef BNX2X_STOP_ON_ERROR
8726sp_rtnl_not_reset:
8727#endif
8728 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
8729 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008730
Ariel Elior83048592011-11-13 04:34:29 +00008731 /*
8732 * in case of fan failure we need to reset id if the "stop on error"
8733 * debug flag is set, since we trying to prevent permanent overheating
8734 * damage
8735 */
8736 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Merav Sicron51c1a582012-03-18 10:33:38 +00008737 DP(NETIF_MSG_HW, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00008738 netif_device_detach(bp->dev);
8739 bnx2x_close(bp->dev);
8740 }
8741
Ariel Elior7be08a72011-07-14 08:31:19 +00008742sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008743 rtnl_unlock();
8744}
8745
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008746/* end of nic load/unload */
8747
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008748static void bnx2x_period_task(struct work_struct *work)
8749{
8750 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
8751
8752 if (!netif_running(bp->dev))
8753 goto period_task_exit;
8754
8755 if (CHIP_REV_IS_SLOW(bp)) {
8756 BNX2X_ERR("period task called on emulation, ignoring\n");
8757 goto period_task_exit;
8758 }
8759
8760 bnx2x_acquire_phy_lock(bp);
8761 /*
8762 * The barrier is needed to ensure the ordering between the writing to
8763 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
8764 * the reading here.
8765 */
8766 smp_mb();
8767 if (bp->port.pmf) {
8768 bnx2x_period_func(&bp->link_params, &bp->link_vars);
8769
8770 /* Re-queue task in 1 sec */
8771 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
8772 }
8773
8774 bnx2x_release_phy_lock(bp);
8775period_task_exit:
8776 return;
8777}
8778
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008779/*
8780 * Init service functions
8781 */
8782
stephen hemminger8d962862010-10-21 07:50:56 +00008783static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008784{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008785 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
8786 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
8787 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008788}
8789
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008790static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008791{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008792 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008793
8794 /* Flush all outstanding writes */
8795 mmiowb();
8796
8797 /* Pretend to be function 0 */
8798 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008799 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008800
8801 /* From now we are in the "like-E1" mode */
8802 bnx2x_int_disable(bp);
8803
8804 /* Flush all outstanding writes */
8805 mmiowb();
8806
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008807 /* Restore the original function */
8808 REG_WR(bp, reg, BP_ABS_FUNC(bp));
8809 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008810}
8811
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008812static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008813{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008814 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008815 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008816 else
8817 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008818}
8819
Yuval Mintz452427b2012-03-26 20:47:07 +00008820static void __devinit bnx2x_prev_unload_close_mac(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008821{
Yuval Mintz452427b2012-03-26 20:47:07 +00008822 u32 val, base_addr, offset, mask, reset_reg;
8823 bool mac_stopped = false;
8824 u8 port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008825
Yuval Mintz452427b2012-03-26 20:47:07 +00008826 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2);
David S. Miller8decf862011-09-22 03:23:13 -04008827
Yuval Mintz452427b2012-03-26 20:47:07 +00008828 if (!CHIP_IS_E3(bp)) {
8829 val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4);
8830 mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port;
8831 if ((mask & reset_reg) && val) {
8832 u32 wb_data[2];
8833 BNX2X_DEV_INFO("Disable bmac Rx\n");
8834 base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM
8835 : NIG_REG_INGRESS_BMAC0_MEM;
8836 offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL
8837 : BIGMAC_REGISTER_BMAC_CONTROL;
Ariel Eliorf16da432012-01-26 06:01:50 +00008838
Yuval Mintz452427b2012-03-26 20:47:07 +00008839 /*
8840 * use rd/wr since we cannot use dmae. This is safe
8841 * since MCP won't access the bus due to the request
8842 * to unload, and no function on the path can be
8843 * loaded at this time.
8844 */
8845 wb_data[0] = REG_RD(bp, base_addr + offset);
8846 wb_data[1] = REG_RD(bp, base_addr + offset + 0x4);
8847 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
8848 REG_WR(bp, base_addr + offset, wb_data[0]);
8849 REG_WR(bp, base_addr + offset + 0x4, wb_data[1]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008850
Yuval Mintz452427b2012-03-26 20:47:07 +00008851 }
8852 BNX2X_DEV_INFO("Disable emac Rx\n");
8853 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4, 0);
Eilon Greensteinb4661732009-01-14 06:43:56 +00008854
Yuval Mintz452427b2012-03-26 20:47:07 +00008855 mac_stopped = true;
8856 } else {
8857 if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) {
8858 BNX2X_DEV_INFO("Disable xmac Rx\n");
8859 base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
8860 val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI);
8861 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
8862 val & ~(1 << 1));
8863 REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI,
8864 val | (1 << 1));
8865 REG_WR(bp, base_addr + XMAC_REG_CTRL, 0);
8866 mac_stopped = true;
8867 }
8868 mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port;
8869 if (mask & reset_reg) {
8870 BNX2X_DEV_INFO("Disable umac Rx\n");
8871 base_addr = BP_PORT(bp) ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
8872 REG_WR(bp, base_addr + UMAC_REG_COMMAND_CONFIG, 0);
8873 mac_stopped = true;
David S. Miller8decf862011-09-22 03:23:13 -04008874 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008875 }
Ariel Eliorf16da432012-01-26 06:01:50 +00008876
Yuval Mintz452427b2012-03-26 20:47:07 +00008877 if (mac_stopped)
8878 msleep(20);
8879
8880}
8881
8882#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4))
8883#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff)
8884#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff)
8885#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq))
8886
8887static void __devinit bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 port,
8888 u8 inc)
8889{
8890 u16 rcq, bd;
8891 u32 tmp_reg = REG_RD(bp, BNX2X_PREV_UNDI_PROD_ADDR(port));
8892
8893 rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc;
8894 bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc;
8895
8896 tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd);
8897 REG_WR(bp, BNX2X_PREV_UNDI_PROD_ADDR(port), tmp_reg);
8898
8899 BNX2X_DEV_INFO("UNDI producer [%d] rings bd -> 0x%04x, rcq -> 0x%04x\n",
8900 port, bd, rcq);
8901}
8902
8903static int __devinit bnx2x_prev_mcp_done(struct bnx2x *bp)
8904{
8905 u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8906 if (!rc) {
8907 BNX2X_ERR("MCP response failure, aborting\n");
8908 return -EBUSY;
8909 }
8910
8911 return 0;
8912}
8913
8914static bool __devinit bnx2x_prev_is_path_marked(struct bnx2x *bp)
8915{
8916 struct bnx2x_prev_path_list *tmp_list;
8917 int rc = false;
8918
8919 if (down_trylock(&bnx2x_prev_sem))
8920 return false;
8921
8922 list_for_each_entry(tmp_list, &bnx2x_prev_list, list) {
8923 if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot &&
8924 bp->pdev->bus->number == tmp_list->bus &&
8925 BP_PATH(bp) == tmp_list->path) {
8926 rc = true;
8927 BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n",
8928 BP_PATH(bp));
8929 break;
8930 }
8931 }
8932
8933 up(&bnx2x_prev_sem);
8934
8935 return rc;
8936}
8937
8938static int __devinit bnx2x_prev_mark_path(struct bnx2x *bp)
8939{
8940 struct bnx2x_prev_path_list *tmp_list;
8941 int rc;
8942
8943 tmp_list = (struct bnx2x_prev_path_list *)
8944 kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL);
8945 if (!tmp_list) {
8946 BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n");
8947 return -ENOMEM;
8948 }
8949
8950 tmp_list->bus = bp->pdev->bus->number;
8951 tmp_list->slot = PCI_SLOT(bp->pdev->devfn);
8952 tmp_list->path = BP_PATH(bp);
8953
8954 rc = down_interruptible(&bnx2x_prev_sem);
8955 if (rc) {
8956 BNX2X_ERR("Received %d when tried to take lock\n", rc);
8957 kfree(tmp_list);
8958 } else {
8959 BNX2X_DEV_INFO("Marked path [%d] - finished previous unload\n",
8960 BP_PATH(bp));
8961 list_add(&tmp_list->list, &bnx2x_prev_list);
8962 up(&bnx2x_prev_sem);
8963 }
8964
8965 return rc;
8966}
8967
8968static bool __devinit bnx2x_can_flr(struct bnx2x *bp)
8969{
8970 int pos;
8971 u32 cap;
8972 struct pci_dev *dev = bp->pdev;
8973
8974 pos = pci_pcie_cap(dev);
8975 if (!pos)
8976 return false;
8977
8978 pci_read_config_dword(dev, pos + PCI_EXP_DEVCAP, &cap);
8979 if (!(cap & PCI_EXP_DEVCAP_FLR))
8980 return false;
8981
8982 return true;
8983}
8984
8985static int __devinit bnx2x_do_flr(struct bnx2x *bp)
8986{
8987 int i, pos;
8988 u16 status;
8989 struct pci_dev *dev = bp->pdev;
8990
8991 /* probe the capability first */
8992 if (bnx2x_can_flr(bp))
8993 return -ENOTTY;
8994
8995 pos = pci_pcie_cap(dev);
8996 if (!pos)
8997 return -ENOTTY;
8998
8999 /* Wait for Transaction Pending bit clean */
9000 for (i = 0; i < 4; i++) {
9001 if (i)
9002 msleep((1 << (i - 1)) * 100);
9003
9004 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
9005 if (!(status & PCI_EXP_DEVSTA_TRPND))
9006 goto clear;
9007 }
9008
9009 dev_err(&dev->dev,
9010 "transaction is not cleared; proceeding with reset anyway\n");
9011
9012clear:
9013 if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
9014 BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
9015 bp->common.bc_ver);
9016 return -EINVAL;
9017 }
9018
9019 bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
9020
9021 return 0;
9022}
9023
9024static int __devinit bnx2x_prev_unload_uncommon(struct bnx2x *bp)
9025{
9026 int rc;
9027
9028 BNX2X_DEV_INFO("Uncommon unload Flow\n");
9029
9030 /* Test if previous unload process was already finished for this path */
9031 if (bnx2x_prev_is_path_marked(bp))
9032 return bnx2x_prev_mcp_done(bp);
9033
9034 /* If function has FLR capabilities, and existing FW version matches
9035 * the one required, then FLR will be sufficient to clean any residue
9036 * left by previous driver
9037 */
9038 if (bnx2x_test_firmware_version(bp, false) && bnx2x_can_flr(bp))
9039 return bnx2x_do_flr(bp);
9040
9041 /* Close the MCP request, return failure*/
9042 rc = bnx2x_prev_mcp_done(bp);
9043 if (!rc)
9044 rc = BNX2X_PREV_WAIT_NEEDED;
9045
9046 return rc;
9047}
9048
9049static int __devinit bnx2x_prev_unload_common(struct bnx2x *bp)
9050{
9051 u32 reset_reg, tmp_reg = 0, rc;
9052 /* It is possible a previous function received 'common' answer,
9053 * but hasn't loaded yet, therefore creating a scenario of
9054 * multiple functions receiving 'common' on the same path.
9055 */
9056 BNX2X_DEV_INFO("Common unload Flow\n");
9057
9058 if (bnx2x_prev_is_path_marked(bp))
9059 return bnx2x_prev_mcp_done(bp);
9060
9061 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9062
9063 /* Reset should be performed after BRB is emptied */
9064 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
9065 u32 timer_count = 1000;
9066 bool prev_undi = false;
9067
9068 /* Close the MAC Rx to prevent BRB from filling up */
9069 bnx2x_prev_unload_close_mac(bp);
9070
9071 /* Check if the UNDI driver was previously loaded
9072 * UNDI driver initializes CID offset for normal bell to 0x7
9073 */
9074 reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1);
9075 if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
9076 tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
9077 if (tmp_reg == 0x7) {
9078 BNX2X_DEV_INFO("UNDI previously loaded\n");
9079 prev_undi = true;
9080 /* clear the UNDI indication */
9081 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
9082 }
9083 }
9084 /* wait until BRB is empty */
9085 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9086 while (timer_count) {
9087 u32 prev_brb = tmp_reg;
9088
9089 tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS);
9090 if (!tmp_reg)
9091 break;
9092
9093 BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg);
9094
9095 /* reset timer as long as BRB actually gets emptied */
9096 if (prev_brb > tmp_reg)
9097 timer_count = 1000;
9098 else
9099 timer_count--;
9100
9101 /* If UNDI resides in memory, manually increment it */
9102 if (prev_undi)
9103 bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1);
9104
9105 udelay(10);
9106 }
9107
9108 if (!timer_count)
9109 BNX2X_ERR("Failed to empty BRB, hope for the best\n");
9110
9111 }
9112
9113 /* No packets are in the pipeline, path is ready for reset */
9114 bnx2x_reset_common(bp);
9115
9116 rc = bnx2x_prev_mark_path(bp);
9117 if (rc) {
9118 bnx2x_prev_mcp_done(bp);
9119 return rc;
9120 }
9121
9122 return bnx2x_prev_mcp_done(bp);
9123}
9124
Ariel Elior24f06712012-05-06 07:05:57 +00009125/* previous driver DMAE transaction may have occurred when pre-boot stage ended
9126 * and boot began, or when kdump kernel was loaded. Either case would invalidate
9127 * the addresses of the transaction, resulting in was-error bit set in the pci
9128 * causing all hw-to-host pcie transactions to timeout. If this happened we want
9129 * to clear the interrupt which detected this from the pglueb and the was done
9130 * bit
9131 */
9132static void __devinit bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
9133{
9134 u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
9135 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
9136 BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
9137 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, 1 << BP_FUNC(bp));
9138 }
9139}
9140
Yuval Mintz452427b2012-03-26 20:47:07 +00009141static int __devinit bnx2x_prev_unload(struct bnx2x *bp)
9142{
9143 int time_counter = 10;
9144 u32 rc, fw, hw_lock_reg, hw_lock_val;
9145 BNX2X_DEV_INFO("Entering Previous Unload Flow\n");
9146
Ariel Elior24f06712012-05-06 07:05:57 +00009147 /* clear hw from errors which may have resulted from an interrupted
9148 * dmae transaction.
9149 */
9150 bnx2x_prev_interrupted_dmae(bp);
9151
9152 /* Release previously held locks */
Yuval Mintz452427b2012-03-26 20:47:07 +00009153 hw_lock_reg = (BP_FUNC(bp) <= 5) ?
9154 (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) :
9155 (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8);
9156
9157 hw_lock_val = (REG_RD(bp, hw_lock_reg));
9158 if (hw_lock_val) {
9159 if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) {
9160 BNX2X_DEV_INFO("Release Previously held NVRAM lock\n");
9161 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
9162 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp)));
9163 }
9164
9165 BNX2X_DEV_INFO("Release Previously held hw lock\n");
9166 REG_WR(bp, hw_lock_reg, 0xffffffff);
9167 } else
9168 BNX2X_DEV_INFO("No need to release hw/nvram locks\n");
9169
9170 if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) {
9171 BNX2X_DEV_INFO("Release previously held alr\n");
9172 REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0);
9173 }
9174
9175
9176 do {
9177 /* Lock MCP using an unload request */
9178 fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0);
9179 if (!fw) {
9180 BNX2X_ERR("MCP response failure, aborting\n");
9181 rc = -EBUSY;
9182 break;
9183 }
9184
9185 if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON) {
9186 rc = bnx2x_prev_unload_common(bp);
9187 break;
9188 }
9189
9190 /* non-common reply from MCP night require looping */
9191 rc = bnx2x_prev_unload_uncommon(bp);
9192 if (rc != BNX2X_PREV_WAIT_NEEDED)
9193 break;
9194
9195 msleep(20);
9196 } while (--time_counter);
9197
9198 if (!time_counter || rc) {
9199 BNX2X_ERR("Failed unloading previous driver, aborting\n");
9200 rc = -EBUSY;
9201 }
9202
9203 BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc);
9204
9205 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009206}
9207
9208static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
9209{
Barak Witkowski1d187b32011-12-05 22:41:50 +00009210 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009211 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009212
9213 /* Get the chip revision id and number. */
9214 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
9215 val = REG_RD(bp, MISC_REG_CHIP_NUM);
9216 id = ((val & 0xffff) << 16);
9217 val = REG_RD(bp, MISC_REG_CHIP_REV);
9218 id |= ((val & 0xf) << 12);
9219 val = REG_RD(bp, MISC_REG_CHIP_METAL);
9220 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00009221 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009222 id |= (val & 0xf);
9223 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009224
9225 /* Set doorbell size */
9226 bp->db_size = (1 << BNX2X_DB_SHIFT);
9227
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009228 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009229 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
9230 if ((val & 1) == 0)
9231 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
9232 else
9233 val = (val >> 1) & 1;
9234 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
9235 "2_PORT_MODE");
9236 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
9237 CHIP_2_PORT_MODE;
9238
9239 if (CHIP_MODE_IS_4_PORT(bp))
9240 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
9241 else
9242 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
9243 } else {
9244 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
9245 bp->pfid = bp->pf_num; /* 0..7 */
9246 }
9247
Merav Sicron51c1a582012-03-18 10:33:38 +00009248 BNX2X_DEV_INFO("pf_id: %x", bp->pfid);
9249
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009250 bp->link_params.chip_id = bp->common.chip_id;
9251 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009252
Eilon Greenstein1c063282009-02-12 08:36:43 +00009253 val = (REG_RD(bp, 0x2874) & 0x55);
9254 if ((bp->common.chip_id & 0x1) ||
9255 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9256 bp->flags |= ONE_PORT_FLAG;
9257 BNX2X_DEV_INFO("single port device\n");
9258 }
9259
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009260 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009261 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009262 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9263 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9264 bp->common.flash_size, bp->common.flash_size);
9265
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009266 bnx2x_init_shmem(bp);
9267
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009268
9269
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009270 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9271 MISC_REG_GENERIC_CR_1 :
9272 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009273
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009274 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009275 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009276 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9277 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009278
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009279 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009280 BNX2X_DEV_INFO("MCP not active\n");
9281 bp->flags |= NO_MCP_FLAG;
9282 return;
9283 }
9284
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009285 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009286 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009287
9288 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9289 SHARED_HW_CFG_LED_MODE_MASK) >>
9290 SHARED_HW_CFG_LED_MODE_SHIFT);
9291
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009292 bp->link_params.feature_config_flags = 0;
9293 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9294 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9295 bp->link_params.feature_config_flags |=
9296 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9297 else
9298 bp->link_params.feature_config_flags &=
9299 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9300
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009301 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9302 bp->common.bc_ver = val;
9303 BNX2X_DEV_INFO("bc_ver %X\n", val);
9304 if (val < BNX2X_BC_VER) {
9305 /* for now only warn
9306 * later we might need to enforce this */
Merav Sicron51c1a582012-03-18 10:33:38 +00009307 BNX2X_ERR("This driver needs bc_ver %X but found %X, please upgrade BC\n",
9308 BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009309 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009310 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009311 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009312 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9313
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009314 bp->link_params.feature_config_flags |=
9315 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9316 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009317
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009318 bp->link_params.feature_config_flags |=
9319 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9320 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009321 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9322 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009323
Barak Witkowski1d187b32011-12-05 22:41:50 +00009324 boot_mode = SHMEM_RD(bp,
9325 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9326 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9327 switch (boot_mode) {
9328 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9329 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9330 break;
9331 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9332 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9333 break;
9334 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9335 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9336 break;
9337 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9338 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9339 break;
9340 }
9341
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009342 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9343 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9344
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009345 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009346 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009347
9348 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9349 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9350 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9351 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9352
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009353 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9354 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009355}
9356
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009357#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9358#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9359
9360static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9361{
9362 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009363 int igu_sb_id;
9364 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009365 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009366
9367 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009368 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009369 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009370 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009371 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9372 FP_SB_MAX_E1x;
9373
9374 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9375 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9376
9377 return;
9378 }
9379
9380 /* IGU in normal mode - read CAM */
9381 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9382 igu_sb_id++) {
9383 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
9384 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
9385 continue;
9386 fid = IGU_FID(val);
9387 if ((fid & IGU_FID_ENCODE_IS_PF)) {
9388 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
9389 continue;
9390 if (IGU_VEC(val) == 0)
9391 /* default status block */
9392 bp->igu_dsb_id = igu_sb_id;
9393 else {
9394 if (bp->igu_base_sb == 0xff)
9395 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009396 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009397 }
9398 }
9399 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009400
Ariel Elior6383c0b2011-07-14 08:31:57 +00009401#ifdef CONFIG_PCI_MSI
9402 /*
9403 * It's expected that number of CAM entries for this functions is equal
9404 * to the number evaluated based on the MSI-X table size. We want a
9405 * harsh warning if these values are different!
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009406 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00009407 WARN_ON(bp->igu_sb_cnt != igu_sb_cnt);
9408#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009409
Ariel Elior6383c0b2011-07-14 08:31:57 +00009410 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009411 BNX2X_ERR("CAM configuration error\n");
9412}
9413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009414static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
9415 u32 switch_cfg)
9416{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009417 int cfg_size = 0, idx, port = BP_PORT(bp);
9418
9419 /* Aggregation of supported attributes of all external phys */
9420 bp->port.supported[0] = 0;
9421 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009422 switch (bp->link_params.num_phys) {
9423 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009424 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
9425 cfg_size = 1;
9426 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009427 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009428 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
9429 cfg_size = 1;
9430 break;
9431 case 3:
9432 if (bp->link_params.multi_phy_config &
9433 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
9434 bp->port.supported[1] =
9435 bp->link_params.phy[EXT_PHY1].supported;
9436 bp->port.supported[0] =
9437 bp->link_params.phy[EXT_PHY2].supported;
9438 } else {
9439 bp->port.supported[0] =
9440 bp->link_params.phy[EXT_PHY1].supported;
9441 bp->port.supported[1] =
9442 bp->link_params.phy[EXT_PHY2].supported;
9443 }
9444 cfg_size = 2;
9445 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009446 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009447
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009448 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Merav Sicron51c1a582012-03-18 10:33:38 +00009449 BNX2X_ERR("NVRAM config error. BAD phy config. PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009450 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009451 dev_info.port_hw_config[port].external_phy_config),
9452 SHMEM_RD(bp,
9453 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009454 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009455 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009456
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009457 if (CHIP_IS_E3(bp))
9458 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
9459 else {
9460 switch (switch_cfg) {
9461 case SWITCH_CFG_1G:
9462 bp->port.phy_addr = REG_RD(
9463 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
9464 break;
9465 case SWITCH_CFG_10G:
9466 bp->port.phy_addr = REG_RD(
9467 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
9468 break;
9469 default:
9470 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
9471 bp->port.link_config[0]);
9472 return;
9473 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009474 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009475 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009476 /* mask what we support according to speed_cap_mask per configuration */
9477 for (idx = 0; idx < cfg_size; idx++) {
9478 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009479 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009480 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009481
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009482 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009483 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009484 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009485
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009486 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009487 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009488 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009489
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009490 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009491 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009492 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009493
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009494 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009495 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009496 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009497 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009498
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009499 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009500 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009501 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009502
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009503 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009504 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009505 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009506
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009507 }
9508
9509 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
9510 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009511}
9512
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009513static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009514{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009515 u32 link_config, idx, cfg_size = 0;
9516 bp->port.advertising[0] = 0;
9517 bp->port.advertising[1] = 0;
9518 switch (bp->link_params.num_phys) {
9519 case 1:
9520 case 2:
9521 cfg_size = 1;
9522 break;
9523 case 3:
9524 cfg_size = 2;
9525 break;
9526 }
9527 for (idx = 0; idx < cfg_size; idx++) {
9528 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
9529 link_config = bp->port.link_config[idx];
9530 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009531 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009532 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
9533 bp->link_params.req_line_speed[idx] =
9534 SPEED_AUTO_NEG;
9535 bp->port.advertising[idx] |=
9536 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +00009537 if (bp->link_params.phy[EXT_PHY1].type ==
9538 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9539 bp->port.advertising[idx] |=
9540 (SUPPORTED_100baseT_Half |
9541 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009542 } else {
9543 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009544 bp->link_params.req_line_speed[idx] =
9545 SPEED_10000;
9546 bp->port.advertising[idx] |=
9547 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009548 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009549 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009550 }
9551 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009552
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009553 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009554 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
9555 bp->link_params.req_line_speed[idx] =
9556 SPEED_10;
9557 bp->port.advertising[idx] |=
9558 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009559 ADVERTISED_TP);
9560 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009561 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009562 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009563 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009564 return;
9565 }
9566 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009567
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009568 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009569 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
9570 bp->link_params.req_line_speed[idx] =
9571 SPEED_10;
9572 bp->link_params.req_duplex[idx] =
9573 DUPLEX_HALF;
9574 bp->port.advertising[idx] |=
9575 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009576 ADVERTISED_TP);
9577 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009578 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009579 link_config,
9580 bp->link_params.speed_cap_mask[idx]);
9581 return;
9582 }
9583 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009584
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009585 case PORT_FEATURE_LINK_SPEED_100M_FULL:
9586 if (bp->port.supported[idx] &
9587 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009588 bp->link_params.req_line_speed[idx] =
9589 SPEED_100;
9590 bp->port.advertising[idx] |=
9591 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009592 ADVERTISED_TP);
9593 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009594 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009595 link_config,
9596 bp->link_params.speed_cap_mask[idx]);
9597 return;
9598 }
9599 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009600
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009601 case PORT_FEATURE_LINK_SPEED_100M_HALF:
9602 if (bp->port.supported[idx] &
9603 SUPPORTED_100baseT_Half) {
9604 bp->link_params.req_line_speed[idx] =
9605 SPEED_100;
9606 bp->link_params.req_duplex[idx] =
9607 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009608 bp->port.advertising[idx] |=
9609 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009610 ADVERTISED_TP);
9611 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009612 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009613 link_config,
9614 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009615 return;
9616 }
9617 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009618
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009619 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009620 if (bp->port.supported[idx] &
9621 SUPPORTED_1000baseT_Full) {
9622 bp->link_params.req_line_speed[idx] =
9623 SPEED_1000;
9624 bp->port.advertising[idx] |=
9625 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009626 ADVERTISED_TP);
9627 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009628 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009629 link_config,
9630 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009631 return;
9632 }
9633 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009634
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009635 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009636 if (bp->port.supported[idx] &
9637 SUPPORTED_2500baseX_Full) {
9638 bp->link_params.req_line_speed[idx] =
9639 SPEED_2500;
9640 bp->port.advertising[idx] |=
9641 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009642 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009643 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009644 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009645 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009646 bp->link_params.speed_cap_mask[idx]);
9647 return;
9648 }
9649 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009650
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009651 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009652 if (bp->port.supported[idx] &
9653 SUPPORTED_10000baseT_Full) {
9654 bp->link_params.req_line_speed[idx] =
9655 SPEED_10000;
9656 bp->port.advertising[idx] |=
9657 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009658 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009659 } else {
Merav Sicron51c1a582012-03-18 10:33:38 +00009660 BNX2X_ERR("NVRAM config error. Invalid link_config 0x%x speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009661 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009662 bp->link_params.speed_cap_mask[idx]);
9663 return;
9664 }
9665 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00009666 case PORT_FEATURE_LINK_SPEED_20G:
9667 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009668
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00009669 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009670 default:
Merav Sicron51c1a582012-03-18 10:33:38 +00009671 BNX2X_ERR("NVRAM config error. BAD link speed link_config 0x%x\n",
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009672 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009673 bp->link_params.req_line_speed[idx] =
9674 SPEED_AUTO_NEG;
9675 bp->port.advertising[idx] =
9676 bp->port.supported[idx];
9677 break;
9678 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009679
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009680 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009681 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009682 if ((bp->link_params.req_flow_ctrl[idx] ==
9683 BNX2X_FLOW_CTRL_AUTO) &&
9684 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
9685 bp->link_params.req_flow_ctrl[idx] =
9686 BNX2X_FLOW_CTRL_NONE;
9687 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009688
Merav Sicron51c1a582012-03-18 10:33:38 +00009689 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x advertising 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009690 bp->link_params.req_line_speed[idx],
9691 bp->link_params.req_duplex[idx],
9692 bp->link_params.req_flow_ctrl[idx],
9693 bp->port.advertising[idx]);
9694 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009695}
9696
Michael Chane665bfd2009-10-10 13:46:54 +00009697static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
9698{
9699 mac_hi = cpu_to_be16(mac_hi);
9700 mac_lo = cpu_to_be32(mac_lo);
9701 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
9702 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
9703}
9704
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009705static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009706{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009707 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00009708 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00009709 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009710
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009711 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009712 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009713
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009714 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009715 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009716
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009717 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009718 SHMEM_RD(bp,
9719 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009720 bp->link_params.speed_cap_mask[1] =
9721 SHMEM_RD(bp,
9722 dev_info.port_hw_config[port].speed_capability_mask2);
9723 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009724 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
9725
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009726 bp->port.link_config[1] =
9727 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009728
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009729 bp->link_params.multi_phy_config =
9730 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00009731 /* If the device is capable of WoL, set the default state according
9732 * to the HW
9733 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009734 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00009735 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
9736 (config & PORT_FEATURE_WOL_ENABLED));
9737
Merav Sicron51c1a582012-03-18 10:33:38 +00009738 BNX2X_DEV_INFO("lane_config 0x%08x speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009739 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009740 bp->link_params.speed_cap_mask[0],
9741 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009742
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009743 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009744 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009745 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009746 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009747
9748 bnx2x_link_settings_requested(bp);
9749
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009750 /*
9751 * If connected directly, work with the internal PHY, otherwise, work
9752 * with the external PHY
9753 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009754 ext_phy_config =
9755 SHMEM_RD(bp,
9756 dev_info.port_hw_config[port].external_phy_config);
9757 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009758 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009759 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009760
9761 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
9762 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
9763 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009764 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00009765
9766 /*
9767 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
9768 * In MF mode, it is set to cover self test cases
9769 */
9770 if (IS_MF(bp))
9771 bp->port.need_hw_lock = 1;
9772 else
9773 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
9774 bp->common.shmem_base,
9775 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009776}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009777
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009778void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009779{
Dmitry Kravkov9e62e912012-03-18 10:33:43 +00009780 u32 no_flags = NO_ISCSI_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009781#ifdef BCM_CNIC
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009782 int port = BP_PORT(bp);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009783
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009784 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009785 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009786
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009787 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009788 bp->cnic_eth_dev.max_iscsi_conn =
9789 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
9790 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
9791
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009792 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
9793 bp->cnic_eth_dev.max_iscsi_conn);
9794
9795 /*
9796 * If maximum allowed number of connections is zero -
9797 * disable the feature.
9798 */
9799 if (!bp->cnic_eth_dev.max_iscsi_conn)
Dmitry Kravkov9e62e912012-03-18 10:33:43 +00009800 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009801#else
Dmitry Kravkov9e62e912012-03-18 10:33:43 +00009802 bp->flags |= no_flags;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009803#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009804}
9805
Dmitry Kravkov9e62e912012-03-18 10:33:43 +00009806#ifdef BCM_CNIC
9807static void __devinit bnx2x_get_ext_wwn_info(struct bnx2x *bp, int func)
9808{
9809 /* Port info */
9810 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
9811 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_upper);
9812 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
9813 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_port_name_lower);
9814
9815 /* Node info */
9816 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
9817 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_upper);
9818 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
9819 MF_CFG_RD(bp, func_ext_config[func].fcoe_wwn_node_name_lower);
9820}
9821#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009822static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
9823{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009824#ifdef BCM_CNIC
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009825 int port = BP_PORT(bp);
9826 int func = BP_ABS_FUNC(bp);
9827
9828 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
9829 drv_lic_key[port].max_fcoe_conn);
9830
9831 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009832 bp->cnic_eth_dev.max_fcoe_conn =
9833 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
9834 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
9835
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009836 /* Read the WWN: */
9837 if (!IS_MF(bp)) {
9838 /* Port info */
9839 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
9840 SHMEM_RD(bp,
9841 dev_info.port_hw_config[port].
9842 fcoe_wwn_port_name_upper);
9843 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
9844 SHMEM_RD(bp,
9845 dev_info.port_hw_config[port].
9846 fcoe_wwn_port_name_lower);
9847
9848 /* Node info */
9849 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
9850 SHMEM_RD(bp,
9851 dev_info.port_hw_config[port].
9852 fcoe_wwn_node_name_upper);
9853 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
9854 SHMEM_RD(bp,
9855 dev_info.port_hw_config[port].
9856 fcoe_wwn_node_name_lower);
9857 } else if (!IS_MF_SD(bp)) {
9858 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
9859
9860 /*
9861 * Read the WWN info only if the FCoE feature is enabled for
9862 * this function.
9863 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +00009864 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
9865 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009866
Dmitry Kravkov9e62e912012-03-18 10:33:43 +00009867 } else if (IS_MF_FCOE_SD(bp))
9868 bnx2x_get_ext_wwn_info(bp, func);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009869
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009870 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009871
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009872 /*
9873 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009874 * disable the feature.
9875 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009876 if (!bp->cnic_eth_dev.max_fcoe_conn)
9877 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009878#else
9879 bp->flags |= NO_FCOE_FLAG;
9880#endif
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009881}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009882
9883static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
9884{
9885 /*
9886 * iSCSI may be dynamically disabled but reading
9887 * info here we will decrease memory usage by driver
9888 * if the feature is disabled for good
9889 */
9890 bnx2x_get_iscsi_info(bp);
9891 bnx2x_get_fcoe_info(bp);
9892}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009893
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009894static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
9895{
9896 u32 val, val2;
9897 int func = BP_ABS_FUNC(bp);
9898 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009899#ifdef BCM_CNIC
9900 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
9901 u8 *fip_mac = bp->fip_mac;
9902#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009903
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009904 /* Zero primary MAC configuration */
9905 memset(bp->dev->dev_addr, 0, ETH_ALEN);
9906
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009907 if (BP_NOMCP(bp)) {
9908 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +00009909 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009910 } else if (IS_MF(bp)) {
9911 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
9912 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
9913 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
9914 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
9915 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
9916
9917#ifdef BCM_CNIC
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009918 /*
9919 * iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009920 * FCoE MAC then the appropriate feature should be disabled.
Dmitry Kravkov9e62e912012-03-18 10:33:43 +00009921 *
9922 * In non SD mode features configuration comes from
9923 * struct func_ext_config.
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009924 */
Dmitry Kravkov9e62e912012-03-18 10:33:43 +00009925 if (!IS_MF_SD(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009926 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
9927 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
9928 val2 = MF_CFG_RD(bp, func_ext_config[func].
9929 iscsi_mac_addr_upper);
9930 val = MF_CFG_RD(bp, func_ext_config[func].
9931 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009932 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Joe Perches0f9dad12011-08-14 12:16:19 +00009933 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
9934 iscsi_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009935 } else
9936 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
9937
9938 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
9939 val2 = MF_CFG_RD(bp, func_ext_config[func].
9940 fcoe_mac_addr_upper);
9941 val = MF_CFG_RD(bp, func_ext_config[func].
9942 fcoe_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009943 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009944 BNX2X_DEV_INFO("Read FCoE L2 MAC: %pM\n",
Joe Perches0f9dad12011-08-14 12:16:19 +00009945 fip_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009946
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009947 } else
9948 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov9e62e912012-03-18 10:33:43 +00009949 } else { /* SD MODE */
9950 if (IS_MF_STORAGE_SD(bp)) {
9951 if (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp)) {
9952 /* use primary mac as iscsi mac */
9953 memcpy(iscsi_mac, bp->dev->dev_addr,
9954 ETH_ALEN);
9955
9956 BNX2X_DEV_INFO("SD ISCSI MODE\n");
9957 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
9958 iscsi_mac);
9959 } else { /* FCoE */
9960 memcpy(fip_mac, bp->dev->dev_addr,
9961 ETH_ALEN);
9962 BNX2X_DEV_INFO("SD FCoE MODE\n");
9963 BNX2X_DEV_INFO("Read FIP MAC: %pM\n",
9964 fip_mac);
9965 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009966 /* Zero primary MAC configuration */
9967 memset(bp->dev->dev_addr, 0, ETH_ALEN);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009968 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009969 }
9970#endif
9971 } else {
9972 /* in SF read MACs from port configuration */
9973 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
9974 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
9975 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
9976
9977#ifdef BCM_CNIC
9978 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
9979 iscsi_mac_upper);
9980 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
9981 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009982 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +00009983
9984 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
9985 fcoe_fip_mac_upper);
9986 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
9987 fcoe_fip_mac_lower);
9988 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009989#endif
9990 }
9991
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009992 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
9993 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00009994
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009995#ifdef BCM_CNIC
Dmitry Kravkov426b9242011-05-04 23:49:53 +00009996 /* Disable iSCSI if MAC configuration is
9997 * invalid.
9998 */
9999 if (!is_valid_ether_addr(iscsi_mac)) {
10000 bp->flags |= NO_ISCSI_FLAG;
10001 memset(iscsi_mac, 0, ETH_ALEN);
10002 }
10003
10004 /* Disable FCoE if MAC configuration is
10005 * invalid.
10006 */
10007 if (!is_valid_ether_addr(fip_mac)) {
10008 bp->flags |= NO_FCOE_FLAG;
10009 memset(bp->fip_mac, 0, ETH_ALEN);
10010 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010011#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010012
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010013 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010014 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010015 "bad Ethernet MAC address configuration: %pM\n"
10016 "change it manually before bringing up the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +000010017 bp->dev->dev_addr);
Merav Sicron51c1a582012-03-18 10:33:38 +000010018
10019
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010020}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010021
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010022static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
10023{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010024 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -070010025 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010026 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010027 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010028
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010029 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010030
Ariel Elior6383c0b2011-07-14 08:31:57 +000010031 /*
10032 * initialize IGU parameters
10033 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010034 if (CHIP_IS_E1x(bp)) {
10035 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010036
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010037 bp->igu_dsb_id = DEF_SB_IGU_ID;
10038 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010039 } else {
10040 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -040010041
10042 /* do not allow device reset during IGU info preocessing */
10043 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
10044
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010045 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010046
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010047 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010048 int tout = 5000;
10049
10050 BNX2X_DEV_INFO("FORCING Normal Mode\n");
10051
10052 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
10053 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
10054 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
10055
10056 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10057 tout--;
10058 usleep_range(1000, 1000);
10059 }
10060
10061 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
10062 dev_err(&bp->pdev->dev,
10063 "FORCING Normal Mode failed!!!\n");
10064 return -EPERM;
10065 }
10066 }
10067
10068 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
10069 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010070 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
10071 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010072 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010073
10074 bnx2x_get_igu_cam_info(bp);
10075
David S. Miller8decf862011-09-22 03:23:13 -040010076 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010077 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010078
10079 /*
10080 * set base FW non-default (fast path) status block id, this value is
10081 * used to initialize the fw_sb_id saved on the fp/queue structure to
10082 * determine the id used by the FW.
10083 */
10084 if (CHIP_IS_E1x(bp))
10085 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
10086 else /*
10087 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
10088 * the same queue are indicated on the same IGU SB). So we prefer
10089 * FW and IGU SBs to be the same value.
10090 */
10091 bp->base_fw_ndsb = bp->igu_base_sb;
10092
10093 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
10094 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
10095 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010096
10097 /*
10098 * Initialize MF configuration
10099 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010100
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010101 bp->mf_ov = 0;
10102 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -040010103 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010104
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010105 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010106 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
10107 bp->common.shmem2_base, SHMEM2_RD(bp, size),
10108 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
10109
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010110 if (SHMEM2_HAS(bp, mf_cfg_addr))
10111 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
10112 else
10113 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010114 offsetof(struct shmem_region, func_mb) +
10115 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010116 /*
10117 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -030010118 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010119 * 2. MAC address must be legal (check only upper bytes)
10120 * for Switch-Independent mode;
10121 * OVLAN must be legal for Switch-Dependent mode
10122 * 3. SF_MODE configures specific MF mode
10123 */
10124 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10125 /* get mf configuration */
10126 val = SHMEM_RD(bp,
10127 dev_info.shared_feature_config.config);
10128 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010129
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010130 switch (val) {
10131 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
10132 val = MF_CFG_RD(bp, func_mf_config[func].
10133 mac_upper);
10134 /* check for legal mac (upper bytes)*/
10135 if (val != 0xffff) {
10136 bp->mf_mode = MULTI_FUNCTION_SI;
10137 bp->mf_config[vn] = MF_CFG_RD(bp,
10138 func_mf_config[func].config);
10139 } else
Merav Sicron51c1a582012-03-18 10:33:38 +000010140 BNX2X_DEV_INFO("illegal MAC address for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010141 break;
10142 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
10143 /* get OV configuration */
10144 val = MF_CFG_RD(bp,
10145 func_mf_config[FUNC_0].e1hov_tag);
10146 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
10147
10148 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
10149 bp->mf_mode = MULTI_FUNCTION_SD;
10150 bp->mf_config[vn] = MF_CFG_RD(bp,
10151 func_mf_config[func].config);
10152 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000010153 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010154 break;
10155 default:
10156 /* Unknown configuration: reset mf_config */
10157 bp->mf_config[vn] = 0;
Merav Sicron51c1a582012-03-18 10:33:38 +000010158 BNX2X_DEV_INFO("unknown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010159 }
10160 }
10161
Eilon Greenstein2691d512009-08-12 08:22:08 +000010162 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010163 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +000010164
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010165 switch (bp->mf_mode) {
10166 case MULTI_FUNCTION_SD:
10167 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
10168 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010169 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +000010170 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010171 bp->path_has_ovlan = true;
10172
Merav Sicron51c1a582012-03-18 10:33:38 +000010173 BNX2X_DEV_INFO("MF OV for func %d is %d (0x%04x)\n",
10174 func, bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +000010175 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010176 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010177 "No valid MF OV for func %d, aborting\n",
10178 func);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010179 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010180 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010181 break;
10182 case MULTI_FUNCTION_SI:
Merav Sicron51c1a582012-03-18 10:33:38 +000010183 BNX2X_DEV_INFO("func %d is in MF switch-independent mode\n",
10184 func);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010185 break;
10186 default:
10187 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010188 dev_err(&bp->pdev->dev,
Merav Sicron51c1a582012-03-18 10:33:38 +000010189 "VN %d is in a single function mode, aborting\n",
10190 vn);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010191 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +000010192 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010193 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010194 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010195
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010196 /* check if other port on the path needs ovlan:
10197 * Since MF configuration is shared between ports
10198 * Possible mixed modes are only
10199 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
10200 */
10201 if (CHIP_MODE_IS_4_PORT(bp) &&
10202 !bp->path_has_ovlan &&
10203 !IS_MF(bp) &&
10204 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
10205 u8 other_port = !BP_PORT(bp);
10206 u8 other_func = BP_PATH(bp) + 2*other_port;
10207 val = MF_CFG_RD(bp,
10208 func_mf_config[other_func].e1hov_tag);
10209 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
10210 bp->path_has_ovlan = true;
10211 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010212 }
10213
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010214 /* adjust igu_sb_cnt to MF for E1x */
10215 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010216 bp->igu_sb_cnt /= E1HVN_MAX;
10217
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010218 /* port info */
10219 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010220
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -080010221 /* Get MAC addresses */
10222 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010223
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010224 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010225
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010226 return rc;
10227}
10228
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010229static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
10230{
10231 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010232 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010233 char str_id_reg[VENDOR_ID_LEN+1];
10234 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010235 char *vpd_data;
10236 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010237 u8 len;
10238
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010239 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010240 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
10241
10242 if (cnt < BNX2X_VPD_LEN)
10243 goto out_not_found;
10244
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010245 /* VPD RO tag should be first tag after identifier string, hence
10246 * we should be able to find it in first BNX2X_VPD_LEN chars
10247 */
10248 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010249 PCI_VPD_LRDT_RO_DATA);
10250 if (i < 0)
10251 goto out_not_found;
10252
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010253 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010254 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010255
10256 i += PCI_VPD_LRDT_TAG_SIZE;
10257
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010258 if (block_end > BNX2X_VPD_LEN) {
10259 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10260 if (vpd_extended_data == NULL)
10261 goto out_not_found;
10262
10263 /* read rest of vpd image into vpd_extended_data */
10264 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10265 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10266 block_end - BNX2X_VPD_LEN,
10267 vpd_extended_data + BNX2X_VPD_LEN);
10268 if (cnt < (block_end - BNX2X_VPD_LEN))
10269 goto out_not_found;
10270 vpd_data = vpd_extended_data;
10271 } else
10272 vpd_data = vpd_start;
10273
10274 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010275
10276 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10277 PCI_VPD_RO_KEYWORD_MFR_ID);
10278 if (rodi < 0)
10279 goto out_not_found;
10280
10281 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10282
10283 if (len != VENDOR_ID_LEN)
10284 goto out_not_found;
10285
10286 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10287
10288 /* vendor specific info */
10289 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10290 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10291 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10292 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10293
10294 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10295 PCI_VPD_RO_KEYWORD_VENDOR0);
10296 if (rodi >= 0) {
10297 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10298
10299 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10300
10301 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10302 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10303 bp->fw_ver[len] = ' ';
10304 }
10305 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010306 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010307 return;
10308 }
10309out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010310 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010311 return;
10312}
10313
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010314static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10315{
10316 u32 flags = 0;
10317
10318 if (CHIP_REV_IS_FPGA(bp))
10319 SET_FLAGS(flags, MODE_FPGA);
10320 else if (CHIP_REV_IS_EMUL(bp))
10321 SET_FLAGS(flags, MODE_EMUL);
10322 else
10323 SET_FLAGS(flags, MODE_ASIC);
10324
10325 if (CHIP_MODE_IS_4_PORT(bp))
10326 SET_FLAGS(flags, MODE_PORT4);
10327 else
10328 SET_FLAGS(flags, MODE_PORT2);
10329
10330 if (CHIP_IS_E2(bp))
10331 SET_FLAGS(flags, MODE_E2);
10332 else if (CHIP_IS_E3(bp)) {
10333 SET_FLAGS(flags, MODE_E3);
10334 if (CHIP_REV(bp) == CHIP_REV_Ax)
10335 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010336 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10337 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010338 }
10339
10340 if (IS_MF(bp)) {
10341 SET_FLAGS(flags, MODE_MF);
10342 switch (bp->mf_mode) {
10343 case MULTI_FUNCTION_SD:
10344 SET_FLAGS(flags, MODE_MF_SD);
10345 break;
10346 case MULTI_FUNCTION_SI:
10347 SET_FLAGS(flags, MODE_MF_SI);
10348 break;
10349 }
10350 } else
10351 SET_FLAGS(flags, MODE_SF);
10352
10353#if defined(__LITTLE_ENDIAN)
10354 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
10355#else /*(__BIG_ENDIAN)*/
10356 SET_FLAGS(flags, MODE_BIG_ENDIAN);
10357#endif
10358 INIT_MODE_FLAGS(bp) = flags;
10359}
10360
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010361static int __devinit bnx2x_init_bp(struct bnx2x *bp)
10362{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010363 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010364 int rc;
10365
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010366 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070010367 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070010368 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +000010369#ifdef BCM_CNIC
10370 mutex_init(&bp->cnic_mutex);
10371#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010372
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010373 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000010374 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000010375 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010376 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010377 if (rc)
10378 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010379
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010380 bnx2x_set_modes_bitmap(bp);
10381
10382 rc = bnx2x_alloc_mem_bp(bp);
10383 if (rc)
10384 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010385
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010386 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010387
10388 func = BP_FUNC(bp);
10389
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010390 /* need to reset chip if undi was active */
Yuval Mintz452427b2012-03-26 20:47:07 +000010391 if (!BP_NOMCP(bp)) {
10392 /* init fw_seq */
10393 bp->fw_seq =
10394 SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
10395 DRV_MSG_SEQ_NUMBER_MASK;
10396 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10397
10398 bnx2x_prev_unload(bp);
10399 }
10400
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010401
10402 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010403 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010404
10405 if (BP_NOMCP(bp) && (func == 0))
Merav Sicron51c1a582012-03-18 10:33:38 +000010406 dev_err(&bp->pdev->dev, "MCP disabled, must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010407
Eilon Greenstein555f6c72009-02-12 08:36:11 +000010408 bp->multi_mode = multi_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +000010409
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010410 bp->disable_tpa = disable_tpa;
10411
10412#ifdef BCM_CNIC
Dmitry Kravkov9e62e912012-03-18 10:33:43 +000010413 bp->disable_tpa |= IS_MF_STORAGE_SD(bp);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010414#endif
10415
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010416 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010417 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010418 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010419 bp->dev->features &= ~NETIF_F_LRO;
10420 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010421 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010422 bp->dev->features |= NETIF_F_LRO;
10423 }
10424
Eilon Greensteina18f5122009-08-12 08:23:26 +000010425 if (CHIP_IS_E1(bp))
10426 bp->dropless_fc = 0;
10427 else
10428 bp->dropless_fc = dropless_fc;
10429
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000010430 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010431
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010432 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010433
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000010434 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010435 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
10436 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010437
Michal Schmidtfc543632012-02-14 09:05:46 +000010438 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010439
10440 init_timer(&bp->timer);
10441 bp->timer.expires = jiffies + bp->current_interval;
10442 bp->timer.data = (unsigned long) bp;
10443 bp->timer.function = bnx2x_timer;
10444
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010445 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000010446 bnx2x_dcbx_init_params(bp);
10447
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010448#ifdef BCM_CNIC
10449 if (CHIP_IS_E1x(bp))
10450 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
10451 else
10452 bp->cnic_base_cl_id = FP_SB_MAX_E2;
10453#endif
10454
Ariel Elior6383c0b2011-07-14 08:31:57 +000010455 /* multiple tx priority */
10456 if (CHIP_IS_E1x(bp))
10457 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
10458 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
10459 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
10460 if (CHIP_IS_E3B0(bp))
10461 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
10462
Dmitry Kravkovfe603b42012-02-20 09:59:11 +000010463 bp->gro_check = bnx2x_need_gro_check(bp->dev->mtu);
10464
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010465 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010466}
10467
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010468
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010469/****************************************************************************
10470* General service functions
10471****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010472
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010473/*
10474 * net_device service functions
10475 */
10476
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010477/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010478static int bnx2x_open(struct net_device *dev)
10479{
10480 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010481 bool global = false;
10482 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000010483 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010484
Mintz Yuval1355b702012-02-15 02:10:22 +000010485 bp->stats_init = true;
10486
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000010487 netif_carrier_off(dev);
10488
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010489 bnx2x_set_power_state(bp, PCI_D0);
10490
Ariel Elior889b9af2012-01-26 06:01:51 +000010491 other_load_status = bnx2x_get_load_status(bp, other_engine);
10492 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010493
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010494 /*
10495 * If parity had happen during the unload, then attentions
10496 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
10497 * want the first function loaded on the current engine to
10498 * complete the recovery.
10499 */
10500 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
10501 bnx2x_chk_parity_attn(bp, &global, true))
10502 do {
10503 /*
10504 * If there are attentions and they are in a global
10505 * blocks, set the GLOBAL_RESET bit regardless whether
10506 * it will be this function that will complete the
10507 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010508 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010509 if (global)
10510 bnx2x_set_reset_global(bp);
10511
10512 /*
10513 * Only the first function on the current engine should
10514 * try to recover in open. In case of attentions in
10515 * global blocks only the first in the chip should try
10516 * to recover.
10517 */
Ariel Elior889b9af2012-01-26 06:01:51 +000010518 if ((!load_status &&
10519 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010520 bnx2x_trylock_leader_lock(bp) &&
10521 !bnx2x_leader_reset(bp)) {
10522 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010523 break;
10524 }
10525
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010526 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010527 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010528 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010529
Merav Sicron51c1a582012-03-18 10:33:38 +000010530 BNX2X_ERR("Recovery flow hasn't been properly completed yet. Try again later.\n"
10531 "If you still see this message after a few retries then power cycle is required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010532
10533 return -EAGAIN;
10534 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010535
10536 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010537 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010538}
10539
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010540/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000010541static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010542{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010543 struct bnx2x *bp = netdev_priv(dev);
10544
10545 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010546 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010547
10548 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000010549 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010550
10551 return 0;
10552}
10553
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010554static inline int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
10555 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010556{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010557 int mc_count = netdev_mc_count(bp->dev);
10558 struct bnx2x_mcast_list_elem *mc_mac =
10559 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010560 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010561
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010562 if (!mc_mac)
10563 return -ENOMEM;
10564
10565 INIT_LIST_HEAD(&p->mcast_list);
10566
10567 netdev_for_each_mc_addr(ha, bp->dev) {
10568 mc_mac->mac = bnx2x_mc_addr(ha);
10569 list_add_tail(&mc_mac->link, &p->mcast_list);
10570 mc_mac++;
10571 }
10572
10573 p->mcast_list_len = mc_count;
10574
10575 return 0;
10576}
10577
10578static inline void bnx2x_free_mcast_macs_list(
10579 struct bnx2x_mcast_ramrod_params *p)
10580{
10581 struct bnx2x_mcast_list_elem *mc_mac =
10582 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
10583 link);
10584
10585 WARN_ON(!mc_mac);
10586 kfree(mc_mac);
10587}
10588
10589/**
10590 * bnx2x_set_uc_list - configure a new unicast MACs list.
10591 *
10592 * @bp: driver handle
10593 *
10594 * We will use zero (0) as a MAC type for these MACs.
10595 */
10596static inline int bnx2x_set_uc_list(struct bnx2x *bp)
10597{
10598 int rc;
10599 struct net_device *dev = bp->dev;
10600 struct netdev_hw_addr *ha;
10601 struct bnx2x_vlan_mac_obj *mac_obj = &bp->fp->mac_obj;
10602 unsigned long ramrod_flags = 0;
10603
10604 /* First schedule a cleanup up of old configuration */
10605 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
10606 if (rc < 0) {
10607 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
10608 return rc;
10609 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010610
10611 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010612 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
10613 BNX2X_UC_LIST_MAC, &ramrod_flags);
10614 if (rc < 0) {
10615 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
10616 rc);
10617 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010618 }
10619 }
10620
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010621 /* Execute the pending commands */
10622 __set_bit(RAMROD_CONT, &ramrod_flags);
10623 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
10624 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010625}
10626
10627static inline int bnx2x_set_mc_list(struct bnx2x *bp)
10628{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010629 struct net_device *dev = bp->dev;
Yuval Mintz3b603062012-03-18 10:33:39 +000010630 struct bnx2x_mcast_ramrod_params rparam = {NULL};
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010631 int rc = 0;
10632
10633 rparam.mcast_obj = &bp->mcast_obj;
10634
10635 /* first, clear all configured multicast MACs */
10636 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
10637 if (rc < 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000010638 BNX2X_ERR("Failed to clear multicast configuration: %d\n", rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010639 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010640 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010641
10642 /* then, configure a new MACs list */
10643 if (netdev_mc_count(dev)) {
10644 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
10645 if (rc) {
Merav Sicron51c1a582012-03-18 10:33:38 +000010646 BNX2X_ERR("Failed to create multicast MACs list: %d\n",
10647 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010648 return rc;
10649 }
10650
10651 /* Now add the new MACs */
10652 rc = bnx2x_config_mcast(bp, &rparam,
10653 BNX2X_MCAST_CMD_ADD);
10654 if (rc < 0)
Merav Sicron51c1a582012-03-18 10:33:38 +000010655 BNX2X_ERR("Failed to set a new multicast configuration: %d\n",
10656 rc);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010657
10658 bnx2x_free_mcast_macs_list(&rparam);
10659 }
10660
10661 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010662}
10663
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010664
10665/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010666void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010667{
10668 struct bnx2x *bp = netdev_priv(dev);
10669 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010670
10671 if (bp->state != BNX2X_STATE_OPEN) {
10672 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
10673 return;
10674 }
10675
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010676 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010677
10678 if (dev->flags & IFF_PROMISC)
10679 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010680 else if ((dev->flags & IFF_ALLMULTI) ||
10681 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
10682 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010683 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010684 else {
10685 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010686 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010687 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010688
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010689 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010690 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010691 }
10692
10693 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010694#ifdef BCM_CNIC
10695 /* handle ISCSI SD mode */
10696 if (IS_MF_ISCSI_SD(bp))
10697 bp->rx_mode = BNX2X_RX_MODE_NONE;
10698#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010699
10700 /* Schedule the rx_mode command */
10701 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
10702 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
10703 return;
10704 }
10705
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010706 bnx2x_set_storm_rx_mode(bp);
10707}
10708
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010709/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010710static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
10711 int devad, u16 addr)
10712{
10713 struct bnx2x *bp = netdev_priv(netdev);
10714 u16 value;
10715 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010716
10717 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
10718 prtad, devad, addr);
10719
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010720 /* The HW expects different devad if CL22 is used */
10721 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
10722
10723 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010724 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010725 bnx2x_release_phy_lock(bp);
10726 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
10727
10728 if (!rc)
10729 rc = value;
10730 return rc;
10731}
10732
10733/* called with rtnl_lock */
10734static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
10735 u16 addr, u16 value)
10736{
10737 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010738 int rc;
10739
Merav Sicron51c1a582012-03-18 10:33:38 +000010740 DP(NETIF_MSG_LINK,
10741 "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x, value 0x%x\n",
10742 prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010743
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010744 /* The HW expects different devad if CL22 is used */
10745 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
10746
10747 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010748 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010749 bnx2x_release_phy_lock(bp);
10750 return rc;
10751}
10752
10753/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010754static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10755{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010756 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010757 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010758
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010759 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
10760 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010761
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010762 if (!netif_running(dev))
10763 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010764
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010765 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010766}
10767
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000010768#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010769static void poll_bnx2x(struct net_device *dev)
10770{
10771 struct bnx2x *bp = netdev_priv(dev);
10772
10773 disable_irq(bp->pdev->irq);
10774 bnx2x_interrupt(bp->pdev->irq, dev);
10775 enable_irq(bp->pdev->irq);
10776}
10777#endif
10778
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010779static int bnx2x_validate_addr(struct net_device *dev)
10780{
10781 struct bnx2x *bp = netdev_priv(dev);
10782
Merav Sicron51c1a582012-03-18 10:33:38 +000010783 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr)) {
10784 BNX2X_ERR("Non-valid Ethernet address\n");
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010785 return -EADDRNOTAVAIL;
Merav Sicron51c1a582012-03-18 10:33:38 +000010786 }
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010787 return 0;
10788}
10789
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010790static const struct net_device_ops bnx2x_netdev_ops = {
10791 .ndo_open = bnx2x_open,
10792 .ndo_stop = bnx2x_close,
10793 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000010794 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010795 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010796 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010797 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010798 .ndo_do_ioctl = bnx2x_ioctl,
10799 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000010800 .ndo_fix_features = bnx2x_fix_features,
10801 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010802 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000010803#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010804 .ndo_poll_controller = poll_bnx2x,
10805#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000010806 .ndo_setup_tc = bnx2x_setup_tc,
10807
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010808#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
10809 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
10810#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010811};
10812
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010813static inline int bnx2x_set_coherency_mask(struct bnx2x *bp)
10814{
10815 struct device *dev = &bp->pdev->dev;
10816
10817 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
10818 bp->flags |= USING_DAC_FLAG;
10819 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
Merav Sicron51c1a582012-03-18 10:33:38 +000010820 dev_err(dev, "dma_set_coherent_mask failed, aborting\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010821 return -EIO;
10822 }
10823 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
10824 dev_err(dev, "System does not support DMA, aborting\n");
10825 return -EIO;
10826 }
10827
10828 return 0;
10829}
10830
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010831static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010832 struct net_device *dev,
10833 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010834{
10835 struct bnx2x *bp;
10836 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000010837 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000010838 bool chip_is_e1x = (board_type == BCM57710 ||
10839 board_type == BCM57711 ||
10840 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010841
10842 SET_NETDEV_DEV(dev, &pdev->dev);
10843 bp = netdev_priv(dev);
10844
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010845 bp->dev = dev;
10846 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010847 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010848
10849 rc = pci_enable_device(pdev);
10850 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010851 dev_err(&bp->pdev->dev,
10852 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010853 goto err_out;
10854 }
10855
10856 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010857 dev_err(&bp->pdev->dev,
10858 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010859 rc = -ENODEV;
10860 goto err_out_disable;
10861 }
10862
10863 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010864 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
10865 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010866 rc = -ENODEV;
10867 goto err_out_disable;
10868 }
10869
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010870 if (atomic_read(&pdev->enable_cnt) == 1) {
10871 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10872 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010873 dev_err(&bp->pdev->dev,
10874 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010875 goto err_out_disable;
10876 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010877
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010878 pci_set_master(pdev);
10879 pci_save_state(pdev);
10880 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010881
10882 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10883 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010884 dev_err(&bp->pdev->dev,
10885 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010886 rc = -EIO;
10887 goto err_out_release;
10888 }
10889
Jon Mason77c98e62011-06-27 07:45:12 +000010890 if (!pci_is_pcie(pdev)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000010891 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010892 rc = -EIO;
10893 goto err_out_release;
10894 }
10895
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010896 rc = bnx2x_set_coherency_mask(bp);
10897 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010898 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010899
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010900 dev->mem_start = pci_resource_start(pdev, 0);
10901 dev->base_addr = dev->mem_start;
10902 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010903
10904 dev->irq = pdev->irq;
10905
Arjan van de Ven275f1652008-10-20 21:42:39 -070010906 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010907 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010908 dev_err(&bp->pdev->dev,
10909 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010910 rc = -ENOMEM;
10911 goto err_out_release;
10912 }
10913
Ariel Eliorc22610d02012-01-26 06:01:47 +000010914 /* In E1/E1H use pci device function given by kernel.
10915 * In E2/E3 read physical function from ME register since these chips
10916 * support Physical Device Assignment where kernel BDF maybe arbitrary
10917 * (depending on hypervisor).
10918 */
10919 if (chip_is_e1x)
10920 bp->pf_num = PCI_FUNC(pdev->devfn);
10921 else {/* chip is E2/3*/
10922 pci_read_config_dword(bp->pdev,
10923 PCICFG_ME_REGISTER, &pci_cfg_dword);
10924 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
10925 ME_REG_ABS_PF_NUM_SHIFT);
10926 }
Merav Sicron51c1a582012-03-18 10:33:38 +000010927 BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
Ariel Eliorc22610d02012-01-26 06:01:47 +000010928
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010929 bnx2x_set_power_state(bp, PCI_D0);
10930
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010931 /* clean indirect addresses */
10932 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10933 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040010934 /*
10935 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070010936 * is not used by the driver.
10937 */
10938 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
10939 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
10940 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
10941 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040010942
Ariel Elior65087cf2012-01-23 07:31:55 +000010943 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040010944 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
10945 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
10946 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
10947 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
10948 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010949
Shmulik Ravid21894002011-07-24 03:57:04 +000010950 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010951 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000010952 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010953 */
Ariel Elior65087cf2012-01-23 07:31:55 +000010954 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000010955 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010956
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010957 /* Reset the load counter */
Ariel Elior889b9af2012-01-26 06:01:51 +000010958 bnx2x_clear_load_status(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010959
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010960 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010961
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010962 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010963 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000010964
Jiri Pirko01789342011-08-16 06:29:00 +000010965 dev->priv_flags |= IFF_UNICAST_FLT;
10966
Michał Mirosław66371c42011-04-12 09:38:23 +000010967 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010968 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
10969 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
10970 NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000010971
10972 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
10973 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
10974
10975 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010976 if (bp->flags & USING_DAC_FLAG)
10977 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010978
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000010979 /* Add Loopback capability to the device */
10980 dev->hw_features |= NETIF_F_LOOPBACK;
10981
Shmulik Ravid98507672011-02-28 12:19:55 -080010982#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010983 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
10984#endif
10985
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010986 /* get_port_hwinfo() will set prtad and mmds properly */
10987 bp->mdio.prtad = MDIO_PRTAD_NONE;
10988 bp->mdio.mmds = 0;
10989 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
10990 bp->mdio.dev = dev;
10991 bp->mdio.mdio_read = bnx2x_mdio_read;
10992 bp->mdio.mdio_write = bnx2x_mdio_write;
10993
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010994 return 0;
10995
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010996err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010997 if (atomic_read(&pdev->enable_cnt) == 1)
10998 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010999
11000err_out_disable:
11001 pci_disable_device(pdev);
11002 pci_set_drvdata(pdev, NULL);
11003
11004err_out:
11005 return rc;
11006}
11007
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011008static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
11009 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080011010{
11011 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
11012
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011013 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
11014
11015 /* return value of 1=2.5GHz 2=5GHz */
11016 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080011017}
11018
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000011019static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011020{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011021 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011022 struct bnx2x_fw_file_hdr *fw_hdr;
11023 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011024 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011025 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011026 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011027 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011028
Merav Sicron51c1a582012-03-18 10:33:38 +000011029 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr)) {
11030 BNX2X_ERR("Wrong FW size\n");
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011031 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000011032 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011033
11034 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
11035 sections = (struct bnx2x_fw_file_section *)fw_hdr;
11036
11037 /* Make sure none of the offsets and sizes make us read beyond
11038 * the end of the firmware data */
11039 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
11040 offset = be32_to_cpu(sections[i].offset);
11041 len = be32_to_cpu(sections[i].len);
11042 if (offset + len > firmware->size) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011043 BNX2X_ERR("Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011044 return -EINVAL;
11045 }
11046 }
11047
11048 /* Likewise for the init_ops offsets */
11049 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
11050 ops_offsets = (u16 *)(firmware->data + offset);
11051 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
11052
11053 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
11054 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011055 BNX2X_ERR("Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011056 return -EINVAL;
11057 }
11058 }
11059
11060 /* Check FW version */
11061 offset = be32_to_cpu(fw_hdr->fw_version.offset);
11062 fw_ver = firmware->data + offset;
11063 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
11064 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
11065 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
11066 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011067 BNX2X_ERR("Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
11068 fw_ver[0], fw_ver[1], fw_ver[2], fw_ver[3],
11069 BCM_5710_FW_MAJOR_VERSION,
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011070 BCM_5710_FW_MINOR_VERSION,
11071 BCM_5710_FW_REVISION_VERSION,
11072 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011073 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011074 }
11075
11076 return 0;
11077}
11078
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011079static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011080{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011081 const __be32 *source = (const __be32 *)_source;
11082 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011083 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011084
11085 for (i = 0; i < n/4; i++)
11086 target[i] = be32_to_cpu(source[i]);
11087}
11088
11089/*
11090 Ops array is stored in the following format:
11091 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
11092 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011093static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011094{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011095 const __be32 *source = (const __be32 *)_source;
11096 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011097 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011098
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011099 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011100 tmp = be32_to_cpu(source[j]);
11101 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011102 target[i].offset = tmp & 0xffffff;
11103 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011104 }
11105}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011106
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011107/**
11108 * IRO array is stored in the following format:
11109 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
11110 */
11111static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
11112{
11113 const __be32 *source = (const __be32 *)_source;
11114 struct iro *target = (struct iro *)_target;
11115 u32 i, j, tmp;
11116
11117 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
11118 target[i].base = be32_to_cpu(source[j]);
11119 j++;
11120 tmp = be32_to_cpu(source[j]);
11121 target[i].m1 = (tmp >> 16) & 0xffff;
11122 target[i].m2 = tmp & 0xffff;
11123 j++;
11124 tmp = be32_to_cpu(source[j]);
11125 target[i].m3 = (tmp >> 16) & 0xffff;
11126 target[i].size = tmp & 0xffff;
11127 j++;
11128 }
11129}
11130
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011131static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011132{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011133 const __be16 *source = (const __be16 *)_source;
11134 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011135 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011136
11137 for (i = 0; i < n/2; i++)
11138 target[i] = be16_to_cpu(source[i]);
11139}
11140
Joe Perches7995c642010-02-17 15:01:52 +000011141#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
11142do { \
11143 u32 len = be32_to_cpu(fw_hdr->arr.len); \
11144 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000011145 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000011146 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000011147 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
11148 (u8 *)bp->arr, len); \
11149} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011150
Yuval Mintz3b603062012-03-18 10:33:39 +000011151static int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011152{
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011153 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011154 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000011155 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011156
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011157 if (bp->firmware)
11158 return 0;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011159
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011160 if (CHIP_IS_E1(bp))
11161 fw_file_name = FW_FILE_NAME_E1;
11162 else if (CHIP_IS_E1H(bp))
11163 fw_file_name = FW_FILE_NAME_E1H;
11164 else if (!CHIP_IS_E1x(bp))
11165 fw_file_name = FW_FILE_NAME_E2;
11166 else {
11167 BNX2X_ERR("Unsupported chip revision\n");
11168 return -EINVAL;
11169 }
11170 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011171
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011172 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
11173 if (rc) {
11174 BNX2X_ERR("Can't load firmware file %s\n",
11175 fw_file_name);
11176 goto request_firmware_exit;
11177 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011178
Michal Schmidtc0ea4522012-03-15 14:08:29 +000011179 rc = bnx2x_check_firmware(bp);
11180 if (rc) {
11181 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
11182 goto request_firmware_exit;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011183 }
11184
11185 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
11186
11187 /* Initialize the pointers to the init arrays */
11188 /* Blob */
11189 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
11190
11191 /* Opcodes */
11192 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
11193
11194 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011195 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
11196 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011197
11198 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000011199 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11200 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
11201 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
11202 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
11203 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11204 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
11205 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
11206 be32_to_cpu(fw_hdr->usem_pram_data.offset);
11207 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11208 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
11209 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
11210 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
11211 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
11212 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
11213 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
11214 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011215 /* IRO */
11216 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011217
11218 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000011219
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011220iro_alloc_err:
11221 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011222init_offsets_alloc_err:
11223 kfree(bp->init_ops);
11224init_ops_alloc_err:
11225 kfree(bp->init_data);
11226request_firmware_exit:
11227 release_firmware(bp->firmware);
Michal Schmidt127d0a12012-03-15 14:08:28 +000011228 bp->firmware = NULL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011229
11230 return rc;
11231}
11232
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011233static void bnx2x_release_firmware(struct bnx2x *bp)
11234{
11235 kfree(bp->init_ops_offsets);
11236 kfree(bp->init_ops);
11237 kfree(bp->init_data);
11238 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011239 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011240}
11241
11242
11243static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
11244 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
11245 .init_hw_cmn = bnx2x_init_hw_common,
11246 .init_hw_port = bnx2x_init_hw_port,
11247 .init_hw_func = bnx2x_init_hw_func,
11248
11249 .reset_hw_cmn = bnx2x_reset_common,
11250 .reset_hw_port = bnx2x_reset_port,
11251 .reset_hw_func = bnx2x_reset_func,
11252
11253 .gunzip_init = bnx2x_gunzip_init,
11254 .gunzip_end = bnx2x_gunzip_end,
11255
11256 .init_fw = bnx2x_init_firmware,
11257 .release_fw = bnx2x_release_firmware,
11258};
11259
11260void bnx2x__init_func_obj(struct bnx2x *bp)
11261{
11262 /* Prepare DMAE related driver resources */
11263 bnx2x_setup_dmae(bp);
11264
11265 bnx2x_init_func_obj(bp, &bp->func_obj,
11266 bnx2x_sp(bp, func_rdata),
11267 bnx2x_sp_mapping(bp, func_rdata),
11268 &bnx2x_func_sp_drv);
11269}
11270
11271/* must be called after sriov-enable */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011272static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011273{
Ariel Elior6383c0b2011-07-14 08:31:57 +000011274 int cid_count = BNX2X_L2_CID_COUNT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011275
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011276#ifdef BCM_CNIC
11277 cid_count += CNIC_CID_MAX;
11278#endif
11279 return roundup(cid_count, QM_CID_ROUND);
11280}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011281
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011282/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011283 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011284 *
11285 * @dev: pci device
11286 *
11287 */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011288static inline int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011289{
11290 int pos;
11291 u16 control;
11292
11293 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011294
Ariel Elior6383c0b2011-07-14 08:31:57 +000011295 /*
11296 * If MSI-X is not supported - return number of SBs needed to support
11297 * one fast path queue: one FP queue + SB for CNIC
11298 */
11299 if (!pos)
11300 return 1 + CNIC_PRESENT;
11301
11302 /*
11303 * The value in the PCI configuration space is the index of the last
11304 * entry, namely one less than the actual size of the table, which is
11305 * exactly what we want to return from this function: number of all SBs
11306 * without the default SB.
11307 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011308 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011309 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011310}
11311
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011312static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11313 const struct pci_device_id *ent)
11314{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011315 struct net_device *dev = NULL;
11316 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011317 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011318 int rc, max_non_def_sbs;
11319 int rx_count, tx_count, rss_count;
11320 /*
11321 * An estimated maximum supported CoS number according to the chip
11322 * version.
11323 * We will try to roughly estimate the maximum number of CoSes this chip
11324 * may support in order to minimize the memory allocated for Tx
11325 * netdev_queue's. This number will be accurately calculated during the
11326 * initialization of bp->max_cos based on the chip versions AND chip
11327 * revision in the bnx2x_init_bp().
11328 */
11329 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011330
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011331 switch (ent->driver_data) {
11332 case BCM57710:
11333 case BCM57711:
11334 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011335 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
11336 break;
11337
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011338 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011339 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011340 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
11341 break;
11342
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011343 case BCM57800:
11344 case BCM57800_MF:
11345 case BCM57810:
11346 case BCM57810_MF:
11347 case BCM57840:
11348 case BCM57840_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011349 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011350 break;
11351
11352 default:
11353 pr_err("Unknown board_type (%ld), aborting\n",
11354 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000011355 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011356 }
11357
Ariel Elior6383c0b2011-07-14 08:31:57 +000011358 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev);
11359
11360 /* !!! FIXME !!!
11361 * Do not allow the maximum SB count to grow above 16
11362 * since Special CIDs starts from 16*BNX2X_MULTI_TX_COS=48.
11363 * We will use the FP_SB_MAX_E1x macro for this matter.
11364 */
11365 max_non_def_sbs = min_t(int, FP_SB_MAX_E1x, max_non_def_sbs);
11366
11367 WARN_ON(!max_non_def_sbs);
11368
11369 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
11370 rss_count = max_non_def_sbs - CNIC_PRESENT;
11371
11372 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
11373 rx_count = rss_count + FCOE_PRESENT;
11374
11375 /*
11376 * Maximum number of netdev Tx queues:
11377 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
11378 */
11379 tx_count = MAX_TXQS_PER_COS * max_cos_est + FCOE_PRESENT;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011380
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011381 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011382 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000011383 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011384 return -ENOMEM;
11385
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011386 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011387
Merav Sicron51c1a582012-03-18 10:33:38 +000011388 BNX2X_DEV_INFO("Allocated netdev with %d tx and %d rx queues\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +000011389 tx_count, rx_count);
11390
11391 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000011392 bp->msg_enable = debug;
Eilon Greensteindf4770de2009-08-12 08:23:28 +000011393 pci_set_drvdata(pdev, dev);
11394
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011395 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011396 if (rc < 0) {
11397 free_netdev(dev);
11398 return rc;
11399 }
11400
Merav Sicron51c1a582012-03-18 10:33:38 +000011401 BNX2X_DEV_INFO("max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011402
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011403 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000011404 if (rc)
11405 goto init_one_exit;
11406
Ariel Elior6383c0b2011-07-14 08:31:57 +000011407 /*
11408 * Map doorbels here as we need the real value of bp->max_cos which
11409 * is initialized in bnx2x_init_bp().
11410 */
11411 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
11412 min_t(u64, BNX2X_DB_SIZE(bp),
11413 pci_resource_len(pdev, 2)));
11414 if (!bp->doorbells) {
11415 dev_err(&bp->pdev->dev,
11416 "Cannot map doorbell space, aborting\n");
11417 rc = -ENOMEM;
11418 goto init_one_exit;
11419 }
11420
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011421 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011422 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011423
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011424#ifdef BCM_CNIC
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000011425 /* disable FCOE L2 queue for E1x */
11426 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011427 bp->flags |= NO_FCOE_FLAG;
11428
11429#endif
11430
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011431 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011432 * needed, set bp->num_queues appropriately.
11433 */
11434 bnx2x_set_int_mode(bp);
11435
11436 /* Add all NAPI objects */
11437 bnx2x_add_all_napi(bp);
11438
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080011439 rc = register_netdev(dev);
11440 if (rc) {
11441 dev_err(&pdev->dev, "Cannot register net device\n");
11442 goto init_one_exit;
11443 }
11444
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011445#ifdef BCM_CNIC
11446 if (!NO_FCOE(bp)) {
11447 /* Add storage MAC address */
11448 rtnl_lock();
11449 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11450 rtnl_unlock();
11451 }
11452#endif
11453
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011454 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011455
Merav Sicron51c1a582012-03-18 10:33:38 +000011456 BNX2X_DEV_INFO(
11457 "%s (%c%d) PCI-E x%d %s found at mem %lx, IRQ %d, node addr %pM\n",
Joe Perches94f05b02011-08-14 12:16:20 +000011458 board_info[ent->driver_data].name,
11459 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
11460 pcie_width,
11461 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
11462 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
11463 "5GHz (Gen2)" : "2.5GHz",
11464 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000011465
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011466 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011467
11468init_one_exit:
11469 if (bp->regview)
11470 iounmap(bp->regview);
11471
11472 if (bp->doorbells)
11473 iounmap(bp->doorbells);
11474
11475 free_netdev(dev);
11476
11477 if (atomic_read(&pdev->enable_cnt) == 1)
11478 pci_release_regions(pdev);
11479
11480 pci_disable_device(pdev);
11481 pci_set_drvdata(pdev, NULL);
11482
11483 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011484}
11485
11486static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
11487{
11488 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080011489 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011490
Eliezer Tamir228241e2008-02-28 11:56:57 -080011491 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011492 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080011493 return;
11494 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080011495 bp = netdev_priv(dev);
11496
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011497#ifdef BCM_CNIC
11498 /* Delete storage MAC address */
11499 if (!NO_FCOE(bp)) {
11500 rtnl_lock();
11501 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11502 rtnl_unlock();
11503 }
11504#endif
11505
Shmulik Ravid98507672011-02-28 12:19:55 -080011506#ifdef BCM_DCBNL
11507 /* Delete app tlvs from dcbnl */
11508 bnx2x_dcbnl_update_applist(bp, true);
11509#endif
11510
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011511 unregister_netdev(dev);
11512
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011513 /* Delete all NAPI objects */
11514 bnx2x_del_all_napi(bp);
11515
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011516 /* Power on: we can't let PCI layer write to us while we are in D3 */
11517 bnx2x_set_power_state(bp, PCI_D0);
11518
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011519 /* Disable MSI/MSI-X */
11520 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011521
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011522 /* Power off */
11523 bnx2x_set_power_state(bp, PCI_D3hot);
11524
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011525 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000011526 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011527
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011528 if (bp->regview)
11529 iounmap(bp->regview);
11530
11531 if (bp->doorbells)
11532 iounmap(bp->doorbells);
11533
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011534 bnx2x_release_firmware(bp);
11535
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011536 bnx2x_free_mem_bp(bp);
11537
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011538 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011539
11540 if (atomic_read(&pdev->enable_cnt) == 1)
11541 pci_release_regions(pdev);
11542
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011543 pci_disable_device(pdev);
11544 pci_set_drvdata(pdev, NULL);
11545}
11546
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011547static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
11548{
11549 int i;
11550
11551 bp->state = BNX2X_STATE_ERROR;
11552
11553 bp->rx_mode = BNX2X_RX_MODE_NONE;
11554
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011555#ifdef BCM_CNIC
11556 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
11557#endif
11558 /* Stop Tx */
11559 bnx2x_tx_disable(bp);
11560
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011561 bnx2x_netif_stop(bp, 0);
11562
11563 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011564
11565 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011566
11567 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011568 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011569
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011570 /* Free SKBs, SGEs, TPA pool and driver internals */
11571 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011572
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011573 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011574 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011575
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011576 bnx2x_free_mem(bp);
11577
11578 bp->state = BNX2X_STATE_CLOSED;
11579
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011580 netif_carrier_off(bp->dev);
11581
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011582 return 0;
11583}
11584
11585static void bnx2x_eeh_recover(struct bnx2x *bp)
11586{
11587 u32 val;
11588
11589 mutex_init(&bp->port.phy_mutex);
11590
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011591
11592 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
11593 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
11594 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
11595 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011596}
11597
Wendy Xiong493adb12008-06-23 20:36:22 -070011598/**
11599 * bnx2x_io_error_detected - called when PCI error is detected
11600 * @pdev: Pointer to PCI device
11601 * @state: The current pci connection state
11602 *
11603 * This function is called after a PCI bus error affecting
11604 * this device has been detected.
11605 */
11606static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
11607 pci_channel_state_t state)
11608{
11609 struct net_device *dev = pci_get_drvdata(pdev);
11610 struct bnx2x *bp = netdev_priv(dev);
11611
11612 rtnl_lock();
11613
11614 netif_device_detach(dev);
11615
Dean Nelson07ce50e2009-07-31 09:13:25 +000011616 if (state == pci_channel_io_perm_failure) {
11617 rtnl_unlock();
11618 return PCI_ERS_RESULT_DISCONNECT;
11619 }
11620
Wendy Xiong493adb12008-06-23 20:36:22 -070011621 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011622 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070011623
11624 pci_disable_device(pdev);
11625
11626 rtnl_unlock();
11627
11628 /* Request a slot reset */
11629 return PCI_ERS_RESULT_NEED_RESET;
11630}
11631
11632/**
11633 * bnx2x_io_slot_reset - called after the PCI bus has been reset
11634 * @pdev: Pointer to PCI device
11635 *
11636 * Restart the card from scratch, as if from a cold-boot.
11637 */
11638static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
11639{
11640 struct net_device *dev = pci_get_drvdata(pdev);
11641 struct bnx2x *bp = netdev_priv(dev);
11642
11643 rtnl_lock();
11644
11645 if (pci_enable_device(pdev)) {
11646 dev_err(&pdev->dev,
11647 "Cannot re-enable PCI device after reset\n");
11648 rtnl_unlock();
11649 return PCI_ERS_RESULT_DISCONNECT;
11650 }
11651
11652 pci_set_master(pdev);
11653 pci_restore_state(pdev);
11654
11655 if (netif_running(dev))
11656 bnx2x_set_power_state(bp, PCI_D0);
11657
11658 rtnl_unlock();
11659
11660 return PCI_ERS_RESULT_RECOVERED;
11661}
11662
11663/**
11664 * bnx2x_io_resume - called when traffic can start flowing again
11665 * @pdev: Pointer to PCI device
11666 *
11667 * This callback is called when the error recovery driver tells us that
11668 * its OK to resume normal operation.
11669 */
11670static void bnx2x_io_resume(struct pci_dev *pdev)
11671{
11672 struct net_device *dev = pci_get_drvdata(pdev);
11673 struct bnx2x *bp = netdev_priv(dev);
11674
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011675 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011676 netdev_err(bp->dev, "Handling parity error recovery. Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011677 return;
11678 }
11679
Wendy Xiong493adb12008-06-23 20:36:22 -070011680 rtnl_lock();
11681
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011682 bnx2x_eeh_recover(bp);
11683
Wendy Xiong493adb12008-06-23 20:36:22 -070011684 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011685 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070011686
11687 netif_device_attach(dev);
11688
11689 rtnl_unlock();
11690}
11691
11692static struct pci_error_handlers bnx2x_err_handler = {
11693 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000011694 .slot_reset = bnx2x_io_slot_reset,
11695 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070011696};
11697
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011698static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070011699 .name = DRV_MODULE_NAME,
11700 .id_table = bnx2x_pci_tbl,
11701 .probe = bnx2x_init_one,
11702 .remove = __devexit_p(bnx2x_remove_one),
11703 .suspend = bnx2x_suspend,
11704 .resume = bnx2x_resume,
11705 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011706};
11707
11708static int __init bnx2x_init(void)
11709{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011710 int ret;
11711
Joe Perches7995c642010-02-17 15:01:52 +000011712 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000011713
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011714 bnx2x_wq = create_singlethread_workqueue("bnx2x");
11715 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000011716 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011717 return -ENOMEM;
11718 }
11719
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011720 ret = pci_register_driver(&bnx2x_pci_driver);
11721 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000011722 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011723 destroy_workqueue(bnx2x_wq);
11724 }
11725 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011726}
11727
11728static void __exit bnx2x_cleanup(void)
11729{
Yuval Mintz452427b2012-03-26 20:47:07 +000011730 struct list_head *pos, *q;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011731 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011732
11733 destroy_workqueue(bnx2x_wq);
Yuval Mintz452427b2012-03-26 20:47:07 +000011734
11735 /* Free globablly allocated resources */
11736 list_for_each_safe(pos, q, &bnx2x_prev_list) {
11737 struct bnx2x_prev_path_list *tmp =
11738 list_entry(pos, struct bnx2x_prev_path_list, list);
11739 list_del(pos);
11740 kfree(tmp);
11741 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011742}
11743
Yaniv Rosner3deb8162011-06-14 01:34:33 +000011744void bnx2x_notify_link_changed(struct bnx2x *bp)
11745{
11746 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
11747}
11748
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011749module_init(bnx2x_init);
11750module_exit(bnx2x_cleanup);
11751
Michael Chan993ac7b2009-10-10 13:46:56 +000011752#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011753/**
11754 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
11755 *
11756 * @bp: driver handle
11757 * @set: set or clear the CAM entry
11758 *
11759 * This function will wait until the ramdord completion returns.
11760 * Return 0 if success, -ENODEV if ramrod doesn't return.
11761 */
11762static inline int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
11763{
11764 unsigned long ramrod_flags = 0;
11765
11766 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
11767 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
11768 &bp->iscsi_l2_mac_obj, true,
11769 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
11770}
Michael Chan993ac7b2009-10-10 13:46:56 +000011771
11772/* count denotes the number of new completions we have seen */
11773static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
11774{
11775 struct eth_spe *spe;
11776
11777#ifdef BNX2X_STOP_ON_ERROR
11778 if (unlikely(bp->panic))
11779 return;
11780#endif
11781
11782 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011783 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000011784 bp->cnic_spq_pending -= count;
11785
Michael Chan993ac7b2009-10-10 13:46:56 +000011786
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011787 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
11788 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
11789 & SPE_HDR_CONN_TYPE) >>
11790 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011791 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
11792 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011793
11794 /* Set validation for iSCSI L2 client before sending SETUP
11795 * ramrod
11796 */
11797 if (type == ETH_CONNECTION_TYPE) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011798 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011799 bnx2x_set_ctx_validation(bp, &bp->context.
11800 vcxt[BNX2X_ISCSI_ETH_CID].eth,
11801 BNX2X_ISCSI_ETH_CID);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011802 }
11803
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011804 /*
11805 * There may be not more than 8 L2, not more than 8 L5 SPEs
11806 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011807 * COMMON ramrods is not more than the EQ and SPQ can
11808 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011809 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011810 if (type == ETH_CONNECTION_TYPE) {
11811 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011812 break;
11813 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011814 atomic_dec(&bp->cq_spq_left);
11815 } else if (type == NONE_CONNECTION_TYPE) {
11816 if (!atomic_read(&bp->eq_spq_left))
11817 break;
11818 else
11819 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011820 } else if ((type == ISCSI_CONNECTION_TYPE) ||
11821 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011822 if (bp->cnic_spq_pending >=
11823 bp->cnic_eth_dev.max_kwqe_pending)
11824 break;
11825 else
11826 bp->cnic_spq_pending++;
11827 } else {
11828 BNX2X_ERR("Unknown SPE type: %d\n", type);
11829 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000011830 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011831 }
Michael Chan993ac7b2009-10-10 13:46:56 +000011832
11833 spe = bnx2x_sp_get_next(bp);
11834 *spe = *bp->cnic_kwq_cons;
11835
Merav Sicron51c1a582012-03-18 10:33:38 +000011836 DP(BNX2X_MSG_SP, "pending on SPQ %d, on KWQ %d count %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000011837 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
11838
11839 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
11840 bp->cnic_kwq_cons = bp->cnic_kwq;
11841 else
11842 bp->cnic_kwq_cons++;
11843 }
11844 bnx2x_sp_prod_update(bp);
11845 spin_unlock_bh(&bp->spq_lock);
11846}
11847
11848static int bnx2x_cnic_sp_queue(struct net_device *dev,
11849 struct kwqe_16 *kwqes[], u32 count)
11850{
11851 struct bnx2x *bp = netdev_priv(dev);
11852 int i;
11853
11854#ifdef BNX2X_STOP_ON_ERROR
Merav Sicron51c1a582012-03-18 10:33:38 +000011855 if (unlikely(bp->panic)) {
11856 BNX2X_ERR("Can't post to SP queue while panic\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000011857 return -EIO;
Merav Sicron51c1a582012-03-18 10:33:38 +000011858 }
Michael Chan993ac7b2009-10-10 13:46:56 +000011859#endif
11860
Ariel Elior95c6c6162012-01-26 06:01:52 +000011861 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
11862 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Merav Sicron51c1a582012-03-18 10:33:38 +000011863 BNX2X_ERR("Handling parity error recovery. Try again later\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +000011864 return -EAGAIN;
11865 }
11866
Michael Chan993ac7b2009-10-10 13:46:56 +000011867 spin_lock_bh(&bp->spq_lock);
11868
11869 for (i = 0; i < count; i++) {
11870 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
11871
11872 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
11873 break;
11874
11875 *bp->cnic_kwq_prod = *spe;
11876
11877 bp->cnic_kwq_pending++;
11878
Merav Sicron51c1a582012-03-18 10:33:38 +000011879 DP(BNX2X_MSG_SP, "L5 SPQE %x %x %x:%x pos %d\n",
Michael Chan993ac7b2009-10-10 13:46:56 +000011880 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011881 spe->data.update_data_addr.hi,
11882 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000011883 bp->cnic_kwq_pending);
11884
11885 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
11886 bp->cnic_kwq_prod = bp->cnic_kwq;
11887 else
11888 bp->cnic_kwq_prod++;
11889 }
11890
11891 spin_unlock_bh(&bp->spq_lock);
11892
11893 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
11894 bnx2x_cnic_sp_post(bp, 0);
11895
11896 return i;
11897}
11898
11899static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
11900{
11901 struct cnic_ops *c_ops;
11902 int rc = 0;
11903
11904 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000011905 c_ops = rcu_dereference_protected(bp->cnic_ops,
11906 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000011907 if (c_ops)
11908 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
11909 mutex_unlock(&bp->cnic_mutex);
11910
11911 return rc;
11912}
11913
11914static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
11915{
11916 struct cnic_ops *c_ops;
11917 int rc = 0;
11918
11919 rcu_read_lock();
11920 c_ops = rcu_dereference(bp->cnic_ops);
11921 if (c_ops)
11922 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
11923 rcu_read_unlock();
11924
11925 return rc;
11926}
11927
11928/*
11929 * for commands that have no data
11930 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011931int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000011932{
11933 struct cnic_ctl_info ctl = {0};
11934
11935 ctl.cmd = cmd;
11936
11937 return bnx2x_cnic_ctl_send(bp, &ctl);
11938}
11939
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011940static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000011941{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011942 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000011943
11944 /* first we tell CNIC and only then we count this as a completion */
11945 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
11946 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011947 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000011948
11949 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011950 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000011951}
11952
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011953
11954/* Called with netif_addr_lock_bh() taken.
11955 * Sets an rx_mode config for an iSCSI ETH client.
11956 * Doesn't block.
11957 * Completion should be checked outside.
11958 */
11959static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
11960{
11961 unsigned long accept_flags = 0, ramrod_flags = 0;
11962 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
11963 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
11964
11965 if (start) {
11966 /* Start accepting on iSCSI L2 ring. Accept all multicasts
11967 * because it's the only way for UIO Queue to accept
11968 * multicasts (in non-promiscuous mode only one Queue per
11969 * function will receive multicast packets (leading in our
11970 * case).
11971 */
11972 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
11973 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
11974 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
11975 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
11976
11977 /* Clear STOP_PENDING bit if START is requested */
11978 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
11979
11980 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
11981 } else
11982 /* Clear START_PENDING bit if STOP is requested */
11983 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
11984
11985 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
11986 set_bit(sched_state, &bp->sp_state);
11987 else {
11988 __set_bit(RAMROD_RX, &ramrod_flags);
11989 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
11990 ramrod_flags);
11991 }
11992}
11993
11994
Michael Chan993ac7b2009-10-10 13:46:56 +000011995static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
11996{
11997 struct bnx2x *bp = netdev_priv(dev);
11998 int rc = 0;
11999
12000 switch (ctl->cmd) {
12001 case DRV_CTL_CTXTBL_WR_CMD: {
12002 u32 index = ctl->data.io.offset;
12003 dma_addr_t addr = ctl->data.io.dma_addr;
12004
12005 bnx2x_ilt_wr(bp, index, addr);
12006 break;
12007 }
12008
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012009 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
12010 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000012011
12012 bnx2x_cnic_sp_post(bp, count);
12013 break;
12014 }
12015
12016 /* rtnl_lock is held. */
12017 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012018 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12019 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012020
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012021 /* Configure the iSCSI classification object */
12022 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
12023 cp->iscsi_l2_client_id,
12024 cp->iscsi_l2_cid, BP_FUNC(bp),
12025 bnx2x_sp(bp, mac_rdata),
12026 bnx2x_sp_mapping(bp, mac_rdata),
12027 BNX2X_FILTER_MAC_PENDING,
12028 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
12029 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012030
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012031 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012032 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
12033 if (rc)
12034 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012035
12036 mmiowb();
12037 barrier();
12038
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012039 /* Start accepting on iSCSI L2 ring */
12040
12041 netif_addr_lock_bh(dev);
12042 bnx2x_set_iscsi_eth_rx_mode(bp, true);
12043 netif_addr_unlock_bh(dev);
12044
12045 /* bits to wait on */
12046 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12047 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
12048
12049 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12050 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012051
Michael Chan993ac7b2009-10-10 13:46:56 +000012052 break;
12053 }
12054
12055 /* rtnl_lock is held. */
12056 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012057 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000012058
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012059 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012060 netif_addr_lock_bh(dev);
12061 bnx2x_set_iscsi_eth_rx_mode(bp, false);
12062 netif_addr_unlock_bh(dev);
12063
12064 /* bits to wait on */
12065 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
12066 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
12067
12068 if (!bnx2x_wait_sp_comp(bp, sp_bits))
12069 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012070
12071 mmiowb();
12072 barrier();
12073
12074 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012075 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
12076 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000012077 break;
12078 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012079 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
12080 int count = ctl->data.credit.credit_count;
12081
12082 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080012083 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012084 smp_mb__after_atomic_inc();
12085 break;
12086 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000012087 case DRV_CTL_ULP_REGISTER_CMD: {
12088 int ulp_type = ctl->data.ulp_type;
12089
12090 if (CHIP_IS_E3(bp)) {
12091 int idx = BP_FW_MB_IDX(bp);
12092 u32 cap;
12093
12094 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12095 if (ulp_type == CNIC_ULP_ISCSI)
12096 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12097 else if (ulp_type == CNIC_ULP_FCOE)
12098 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12099 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
12100 }
12101 break;
12102 }
12103 case DRV_CTL_ULP_UNREGISTER_CMD: {
12104 int ulp_type = ctl->data.ulp_type;
12105
12106 if (CHIP_IS_E3(bp)) {
12107 int idx = BP_FW_MB_IDX(bp);
12108 u32 cap;
12109
12110 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
12111 if (ulp_type == CNIC_ULP_ISCSI)
12112 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
12113 else if (ulp_type == CNIC_ULP_FCOE)
12114 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
12115 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
12116 }
12117 break;
12118 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012119
12120 default:
12121 BNX2X_ERR("unknown command %x\n", ctl->cmd);
12122 rc = -EINVAL;
12123 }
12124
12125 return rc;
12126}
12127
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000012128void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000012129{
12130 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12131
12132 if (bp->flags & USING_MSIX_FLAG) {
12133 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
12134 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
12135 cp->irq_arr[0].vector = bp->msix_table[1].vector;
12136 } else {
12137 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
12138 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
12139 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012140 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000012141 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
12142 else
12143 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
12144
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012145 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
12146 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012147 cp->irq_arr[1].status_blk = bp->def_status_blk;
12148 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012149 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000012150
12151 cp->num_irq = 2;
12152}
12153
12154static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
12155 void *data)
12156{
12157 struct bnx2x *bp = netdev_priv(dev);
12158 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12159
Merav Sicron51c1a582012-03-18 10:33:38 +000012160 if (ops == NULL) {
12161 BNX2X_ERR("NULL ops received\n");
Michael Chan993ac7b2009-10-10 13:46:56 +000012162 return -EINVAL;
Merav Sicron51c1a582012-03-18 10:33:38 +000012163 }
Michael Chan993ac7b2009-10-10 13:46:56 +000012164
Michael Chan993ac7b2009-10-10 13:46:56 +000012165 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
12166 if (!bp->cnic_kwq)
12167 return -ENOMEM;
12168
12169 bp->cnic_kwq_cons = bp->cnic_kwq;
12170 bp->cnic_kwq_prod = bp->cnic_kwq;
12171 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
12172
12173 bp->cnic_spq_pending = 0;
12174 bp->cnic_kwq_pending = 0;
12175
12176 bp->cnic_data = data;
12177
12178 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012179 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012180 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000012181
Michael Chan993ac7b2009-10-10 13:46:56 +000012182 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012183
Michael Chan993ac7b2009-10-10 13:46:56 +000012184 rcu_assign_pointer(bp->cnic_ops, ops);
12185
12186 return 0;
12187}
12188
12189static int bnx2x_unregister_cnic(struct net_device *dev)
12190{
12191 struct bnx2x *bp = netdev_priv(dev);
12192 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12193
12194 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000012195 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000012196 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000012197 mutex_unlock(&bp->cnic_mutex);
12198 synchronize_rcu();
12199 kfree(bp->cnic_kwq);
12200 bp->cnic_kwq = NULL;
12201
12202 return 0;
12203}
12204
12205struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
12206{
12207 struct bnx2x *bp = netdev_priv(dev);
12208 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
12209
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012210 /* If both iSCSI and FCoE are disabled - return NULL in
12211 * order to indicate CNIC that it should not try to work
12212 * with this device.
12213 */
12214 if (NO_ISCSI(bp) && NO_FCOE(bp))
12215 return NULL;
12216
Michael Chan993ac7b2009-10-10 13:46:56 +000012217 cp->drv_owner = THIS_MODULE;
12218 cp->chip_id = CHIP_ID(bp);
12219 cp->pdev = bp->pdev;
12220 cp->io_base = bp->regview;
12221 cp->io_base2 = bp->doorbells;
12222 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000012223 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012224 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
12225 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000012226 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012227 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000012228 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
12229 cp->drv_ctl = bnx2x_drv_ctl;
12230 cp->drv_register_cnic = bnx2x_register_cnic;
12231 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000012232 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030012233 cp->iscsi_l2_client_id =
12234 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012235 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000012236
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012237 if (NO_ISCSI_OOO(bp))
12238 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12239
12240 if (NO_ISCSI(bp))
12241 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
12242
12243 if (NO_FCOE(bp))
12244 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
12245
Merav Sicron51c1a582012-03-18 10:33:38 +000012246 BNX2X_DEV_INFO(
12247 "page_size %d, tbl_offset %d, tbl_lines %d, starting cid %d\n",
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012248 cp->ctx_blk_size,
12249 cp->ctx_tbl_offset,
12250 cp->ctx_tbl_len,
12251 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000012252 return cp;
12253}
12254EXPORT_SYMBOL(bnx2x_cnic_probe);
12255
12256#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012257