blob: 9831d8c416a92cee57e2a73ced702c021bc4c145 [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>
Ben Hutchings45229b42009-11-07 11:53:39 +000055#include <linux/stringify.h>
David S. Miller7ab24bf2011-06-29 05:48:41 -070056#include <linux/vmalloc.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020057
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020058#include "bnx2x.h"
59#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000061#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000062#include "bnx2x_dcb.h"
Vladislav Zolotarov042181f2011-06-14 01:33:39 +000063#include "bnx2x_sp.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020064
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070065#include <linux/firmware.h>
66#include "bnx2x_fw_file_hdr.h"
67/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000068#define FW_FILE_VERSION \
69 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
70 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
71 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
72 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000073#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
74#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000075#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070076
Eilon Greenstein34f80b02008-06-23 20:33:01 -070077/* Time in jiffies before concluding the transmitter is hung */
78#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020079
Andrew Morton53a10562008-02-09 23:16:41 -080080static char version[] __devinitdata =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030081 "Broadcom NetXtreme II 5771x/578xx 10/20-Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
83
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070084MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000085MODULE_DESCRIPTION("Broadcom NetXtreme II "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030086 "BCM57710/57711/57711E/"
87 "57712/57712_MF/57800/57800_MF/57810/57810_MF/"
88 "57840/57840_MF Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020089MODULE_LICENSE("GPL");
90MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000091MODULE_FIRMWARE(FW_FILE_NAME_E1);
92MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000093MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020094
Eilon Greenstein555f6c72009-02-12 08:36:11 +000095static int multi_mode = 1;
96module_param(multi_mode, int, 0);
Eilon Greensteinca003922009-08-12 22:53:28 -070097MODULE_PARM_DESC(multi_mode, " Multi queue mode "
98 "(0 Disable; 1 Enable (default))");
99
Dmitry Kravkovd6214d72010-10-06 03:32:10 +0000100int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +0000101module_param(num_queues, int, 0);
102MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
103 " (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +0000104
Eilon Greenstein19680c42008-08-13 15:47:33 -0700105static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -0700106module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000107MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000108
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +0000109#define INT_MODE_INTx 1
110#define INT_MODE_MSI 2
Eilon Greenstein8badd272009-02-12 08:36:15 +0000111static int int_mode;
112module_param(int_mode, int, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300113MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000114 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000115
Eilon Greensteina18f5122009-08-12 08:23:26 +0000116static int dropless_fc;
117module_param(dropless_fc, int, 0);
118MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
119
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000120static int mrrs = -1;
121module_param(mrrs, int, 0);
122MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
123
Eilon Greenstein9898f862009-02-12 08:38:27 +0000124static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200125module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000126MODULE_PARM_DESC(debug, " Default debug msglevel");
127
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200128
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300129
130struct workqueue_struct *bnx2x_wq;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000131
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200132enum bnx2x_board_type {
133 BCM57710 = 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300134 BCM57711,
135 BCM57711E,
136 BCM57712,
137 BCM57712_MF,
138 BCM57800,
139 BCM57800_MF,
140 BCM57810,
141 BCM57810_MF,
142 BCM57840,
143 BCM57840_MF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200144};
145
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700146/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800147static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200148 char *name;
149} board_info[] __devinitdata = {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300150 { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
151 { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
152 { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
153 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
154 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
155 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
156 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
157 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
158 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
159 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
160 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit "
161 "Ethernet Multi Function"}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200162};
163
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300164#ifndef PCI_DEVICE_ID_NX2_57710
165#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
166#endif
167#ifndef PCI_DEVICE_ID_NX2_57711
168#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
169#endif
170#ifndef PCI_DEVICE_ID_NX2_57711E
171#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
172#endif
173#ifndef PCI_DEVICE_ID_NX2_57712
174#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
175#endif
176#ifndef PCI_DEVICE_ID_NX2_57712_MF
177#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
178#endif
179#ifndef PCI_DEVICE_ID_NX2_57800
180#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
181#endif
182#ifndef PCI_DEVICE_ID_NX2_57800_MF
183#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
184#endif
185#ifndef PCI_DEVICE_ID_NX2_57810
186#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
187#endif
188#ifndef PCI_DEVICE_ID_NX2_57810_MF
189#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
190#endif
191#ifndef PCI_DEVICE_ID_NX2_57840
192#define PCI_DEVICE_ID_NX2_57840 CHIP_NUM_57840
193#endif
194#ifndef PCI_DEVICE_ID_NX2_57840_MF
195#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
196#endif
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000197static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000198 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
199 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
200 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000201 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300202 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
203 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
204 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
205 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
206 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
207 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840), BCM57840 },
208 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200209 { 0 }
210};
211
212MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
213
214/****************************************************************************
215* General service functions
216****************************************************************************/
217
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300218static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
219 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000220{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300221 REG_WR(bp, addr, U64_LO(mapping));
222 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000223}
224
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300225static inline void storm_memset_spq_addr(struct bnx2x *bp,
226 dma_addr_t mapping, u16 abs_fid)
227{
228 u32 addr = XSEM_REG_FAST_MEMORY +
229 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
230
231 __storm_memset_dma_mapping(bp, addr, mapping);
232}
233
234static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
235 u16 pf_id)
236{
237 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
238 pf_id);
239 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
240 pf_id);
241 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
242 pf_id);
243 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
244 pf_id);
245}
246
247static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
248 u8 enable)
249{
250 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
251 enable);
252 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
253 enable);
254 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
255 enable);
256 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
257 enable);
258}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000259
260static inline void storm_memset_eq_data(struct bnx2x *bp,
261 struct event_ring_data *eq_data,
262 u16 pfid)
263{
264 size_t size = sizeof(struct event_ring_data);
265
266 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
267
268 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
269}
270
271static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
272 u16 pfid)
273{
274 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
275 REG_WR16(bp, addr, eq_prod);
276}
277
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200278/* used only at init
279 * locking is done by mcp
280 */
stephen hemminger8d962862010-10-21 07:50:56 +0000281static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200282{
283 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
284 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
285 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
286 PCICFG_VENDOR_ID_OFFSET);
287}
288
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200289static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
290{
291 u32 val;
292
293 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
294 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
295 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
296 PCICFG_VENDOR_ID_OFFSET);
297
298 return val;
299}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200300
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000301#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
302#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
303#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
304#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
305#define DMAE_DP_DST_NONE "dst_addr [none]"
306
stephen hemminger8d962862010-10-21 07:50:56 +0000307static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
308 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000309{
310 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
311
312 switch (dmae->opcode & DMAE_COMMAND_DST) {
313 case DMAE_CMD_DST_PCI:
314 if (src_type == DMAE_CMD_SRC_PCI)
315 DP(msglvl, "DMAE: opcode 0x%08x\n"
316 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
317 "comp_addr [%x:%08x], comp_val 0x%08x\n",
318 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
319 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
320 dmae->comp_addr_hi, dmae->comp_addr_lo,
321 dmae->comp_val);
322 else
323 DP(msglvl, "DMAE: opcode 0x%08x\n"
324 "src [%08x], len [%d*4], dst [%x:%08x]\n"
325 "comp_addr [%x:%08x], comp_val 0x%08x\n",
326 dmae->opcode, dmae->src_addr_lo >> 2,
327 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
328 dmae->comp_addr_hi, dmae->comp_addr_lo,
329 dmae->comp_val);
330 break;
331 case DMAE_CMD_DST_GRC:
332 if (src_type == DMAE_CMD_SRC_PCI)
333 DP(msglvl, "DMAE: opcode 0x%08x\n"
334 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
335 "comp_addr [%x:%08x], comp_val 0x%08x\n",
336 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
337 dmae->len, dmae->dst_addr_lo >> 2,
338 dmae->comp_addr_hi, dmae->comp_addr_lo,
339 dmae->comp_val);
340 else
341 DP(msglvl, "DMAE: opcode 0x%08x\n"
342 "src [%08x], len [%d*4], dst [%08x]\n"
343 "comp_addr [%x:%08x], comp_val 0x%08x\n",
344 dmae->opcode, dmae->src_addr_lo >> 2,
345 dmae->len, dmae->dst_addr_lo >> 2,
346 dmae->comp_addr_hi, dmae->comp_addr_lo,
347 dmae->comp_val);
348 break;
349 default:
350 if (src_type == DMAE_CMD_SRC_PCI)
351 DP(msglvl, "DMAE: opcode 0x%08x\n"
Joe Perchesf1deab52011-08-14 12:16:21 +0000352 "src_addr [%x:%08x] len [%d * 4] dst_addr [none]\n"
353 "comp_addr [%x:%08x] comp_val 0x%08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000354 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
355 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
356 dmae->comp_val);
357 else
358 DP(msglvl, "DMAE: opcode 0x%08x\n"
Joe Perchesf1deab52011-08-14 12:16:21 +0000359 "src_addr [%08x] len [%d * 4] dst_addr [none]\n"
360 "comp_addr [%x:%08x] comp_val 0x%08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000361 dmae->opcode, dmae->src_addr_lo >> 2,
362 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
363 dmae->comp_val);
364 break;
365 }
366
367}
368
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200369/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000370void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200371{
372 u32 cmd_offset;
373 int i;
374
375 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
376 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
377 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
378
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700379 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
380 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200381 }
382 REG_WR(bp, dmae_reg_go_c[idx], 1);
383}
384
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000385u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
386{
387 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
388 DMAE_CMD_C_ENABLE);
389}
390
391u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
392{
393 return opcode & ~DMAE_CMD_SRC_RESET;
394}
395
396u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
397 bool with_comp, u8 comp_type)
398{
399 u32 opcode = 0;
400
401 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
402 (dst_type << DMAE_COMMAND_DST_SHIFT));
403
404 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
405
406 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400407 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
408 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000409 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
410
411#ifdef __BIG_ENDIAN
412 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
413#else
414 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
415#endif
416 if (with_comp)
417 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
418 return opcode;
419}
420
stephen hemminger8d962862010-10-21 07:50:56 +0000421static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
422 struct dmae_command *dmae,
423 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000424{
425 memset(dmae, 0, sizeof(struct dmae_command));
426
427 /* set the opcode */
428 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
429 true, DMAE_COMP_PCI);
430
431 /* fill in the completion parameters */
432 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
433 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
434 dmae->comp_val = DMAE_COMP_VAL;
435}
436
437/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000438static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
439 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000440{
441 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000442 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000443 int rc = 0;
444
445 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
446 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
447 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
448
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300449 /*
450 * Lock the dmae channel. Disable BHs to prevent a dead-lock
451 * as long as this code is called both from syscall context and
452 * from ndo_set_rx_mode() flow that may be called from BH.
453 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800454 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000455
456 /* reset completion */
457 *wb_comp = 0;
458
459 /* post the command on the channel used for initializations */
460 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
461
462 /* wait for completion */
463 udelay(5);
464 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
465 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
466
Ariel Elior95c6c6162012-01-26 06:01:52 +0000467 if (!cnt ||
468 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
469 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000470 BNX2X_ERR("DMAE timeout!\n");
471 rc = DMAE_TIMEOUT;
472 goto unlock;
473 }
474 cnt--;
475 udelay(50);
476 }
477 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
478 BNX2X_ERR("DMAE PCI error!\n");
479 rc = DMAE_PCI_ERROR;
480 }
481
482 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
483 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
484 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
485
486unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800487 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000488 return rc;
489}
490
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700491void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
492 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200493{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000494 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700495
496 if (!bp->dmae_ready) {
497 u32 *data = bnx2x_sp(bp, wb_data[0]);
498
Ariel Elior127a4252012-01-26 06:01:46 +0000499 DP(BNX2X_MSG_OFF,
500 "DMAE is not ready (dst_addr %08x len32 %d) using indirect\n",
501 dst_addr, len32);
502 if (CHIP_IS_E1(bp))
503 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
504 else
505 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700506 return;
507 }
508
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000509 /* set opcode and fixed command fields */
510 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200511
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000512 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000513 dmae.src_addr_lo = U64_LO(dma_addr);
514 dmae.src_addr_hi = U64_HI(dma_addr);
515 dmae.dst_addr_lo = dst_addr >> 2;
516 dmae.dst_addr_hi = 0;
517 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200518
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000519 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200520
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000521 /* issue the command and wait for completion */
522 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200523}
524
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700525void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200526{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000527 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700528
529 if (!bp->dmae_ready) {
530 u32 *data = bnx2x_sp(bp, wb_data[0]);
531 int i;
532
Ariel Elior127a4252012-01-26 06:01:46 +0000533 if (CHIP_IS_E1(bp)) {
534 DP(BNX2X_MSG_OFF,
535 "DMAE is not ready (src_addr %08x len32 %d) using indirect\n",
536 src_addr, len32);
537 for (i = 0; i < len32; i++)
538 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
539 } else
540 for (i = 0; i < len32; i++)
541 data[i] = REG_RD(bp, src_addr + i*4);
542
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700543 return;
544 }
545
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000546 /* set opcode and fixed command fields */
547 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200548
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000549 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000550 dmae.src_addr_lo = src_addr >> 2;
551 dmae.src_addr_hi = 0;
552 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
553 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
554 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200555
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000556 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200557
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000558 /* issue the command and wait for completion */
559 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200560}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200561
stephen hemminger8d962862010-10-21 07:50:56 +0000562static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
563 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000564{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000565 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000566 int offset = 0;
567
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000568 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000569 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000570 addr + offset, dmae_wr_max);
571 offset += dmae_wr_max * 4;
572 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000573 }
574
575 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
576}
577
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700578/* used only for slowpath so not inlined */
579static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
580{
581 u32 wb_write[2];
582
583 wb_write[0] = val_hi;
584 wb_write[1] = val_lo;
585 REG_WR_DMAE(bp, reg, wb_write, 2);
586}
587
588#ifdef USE_WB_RD
589static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
590{
591 u32 wb_data[2];
592
593 REG_RD_DMAE(bp, reg, wb_data, 2);
594
595 return HILO_U64(wb_data[0], wb_data[1]);
596}
597#endif
598
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200599static int bnx2x_mc_assert(struct bnx2x *bp)
600{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200601 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700602 int i, rc = 0;
603 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200604
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700605 /* XSTORM */
606 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
607 XSTORM_ASSERT_LIST_INDEX_OFFSET);
608 if (last_idx)
609 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200610
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700611 /* print the asserts */
612 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200613
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700614 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
615 XSTORM_ASSERT_LIST_OFFSET(i));
616 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
617 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
618 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
619 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
620 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
621 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200622
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700623 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
624 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
625 " 0x%08x 0x%08x 0x%08x\n",
626 i, row3, row2, row1, row0);
627 rc++;
628 } else {
629 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200630 }
631 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700632
633 /* TSTORM */
634 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
635 TSTORM_ASSERT_LIST_INDEX_OFFSET);
636 if (last_idx)
637 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
638
639 /* print the asserts */
640 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
641
642 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
643 TSTORM_ASSERT_LIST_OFFSET(i));
644 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
645 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
646 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
647 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
648 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
649 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
650
651 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
652 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
653 " 0x%08x 0x%08x 0x%08x\n",
654 i, row3, row2, row1, row0);
655 rc++;
656 } else {
657 break;
658 }
659 }
660
661 /* CSTORM */
662 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
663 CSTORM_ASSERT_LIST_INDEX_OFFSET);
664 if (last_idx)
665 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
666
667 /* print the asserts */
668 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
669
670 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
671 CSTORM_ASSERT_LIST_OFFSET(i));
672 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
673 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
674 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
675 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
676 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
677 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
678
679 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
680 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
681 " 0x%08x 0x%08x 0x%08x\n",
682 i, row3, row2, row1, row0);
683 rc++;
684 } else {
685 break;
686 }
687 }
688
689 /* USTORM */
690 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
691 USTORM_ASSERT_LIST_INDEX_OFFSET);
692 if (last_idx)
693 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
694
695 /* print the asserts */
696 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
697
698 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
699 USTORM_ASSERT_LIST_OFFSET(i));
700 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
701 USTORM_ASSERT_LIST_OFFSET(i) + 4);
702 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
703 USTORM_ASSERT_LIST_OFFSET(i) + 8);
704 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
705 USTORM_ASSERT_LIST_OFFSET(i) + 12);
706
707 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
708 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
709 " 0x%08x 0x%08x 0x%08x\n",
710 i, row3, row2, row1, row0);
711 rc++;
712 } else {
713 break;
714 }
715 }
716
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200717 return rc;
718}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800719
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000720void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200721{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000722 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200723 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000724 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200725 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000726 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000727 if (BP_NOMCP(bp)) {
728 BNX2X_ERR("NO MCP - can not dump\n");
729 return;
730 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000731 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
732 (bp->common.bc_ver & 0xff0000) >> 16,
733 (bp->common.bc_ver & 0xff00) >> 8,
734 (bp->common.bc_ver & 0xff));
735
736 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
737 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
738 printk("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000739
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000740 if (BP_PATH(bp) == 0)
741 trace_shmem_base = bp->common.shmem_base;
742 else
743 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
744 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000745 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000746 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
747 + ((mark + 0x3) & ~0x3) - 0x08000000;
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000748 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200749
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000750 printk("%s", lvl);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000751 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200752 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000753 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200754 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000755 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200756 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000757 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200758 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000759 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200760 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000761 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200762 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000763 printk("%s" "end of fw dump\n", lvl);
764}
765
766static inline void bnx2x_fw_dump(struct bnx2x *bp)
767{
768 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200769}
770
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000771void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200772{
773 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000774 u16 j;
775 struct hc_sp_status_block_data sp_sb_data;
776 int func = BP_FUNC(bp);
777#ifdef BNX2X_STOP_ON_ERROR
778 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000779 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000780#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200781
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700782 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000783 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700784 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
785
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200786 BNX2X_ERR("begin crash dump -----------------\n");
787
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000788 /* Indices */
789 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000790 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300791 " spq_prod_idx(0x%x) next_stats_cnt(0x%x)\n",
792 bp->def_idx, bp->def_att_idx, bp->attn_state,
793 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000794 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
795 bp->def_status_blk->atten_status_block.attn_bits,
796 bp->def_status_blk->atten_status_block.attn_bits_ack,
797 bp->def_status_blk->atten_status_block.status_block_id,
798 bp->def_status_blk->atten_status_block.attn_bits_index);
799 BNX2X_ERR(" def (");
800 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
801 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000802 bp->def_status_blk->sp_sb.index_values[i],
803 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000804
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000805 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
806 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
807 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
808 i*sizeof(u32));
809
Joe Perchesf1deab52011-08-14 12:16:21 +0000810 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 +0000811 sp_sb_data.igu_sb_id,
812 sp_sb_data.igu_seg_id,
813 sp_sb_data.p_func.pf_id,
814 sp_sb_data.p_func.vnic_id,
815 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300816 sp_sb_data.p_func.vf_valid,
817 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000818
819
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000820 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000821 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000822 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000823 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000824 struct hc_status_block_data_e1x sb_data_e1x;
825 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300826 CHIP_IS_E1x(bp) ?
827 sb_data_e1x.common.state_machine :
828 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000829 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300830 CHIP_IS_E1x(bp) ?
831 sb_data_e1x.index_data :
832 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000833 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000834 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000835 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000836
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000837 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000838 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000839 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000840 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000841 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000842 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000843 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000844 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000845 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000846 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000847 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000848
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000849 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000850 for_each_cos_in_tx_queue(fp, cos)
851 {
852 txdata = fp->txdata[cos];
853 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
854 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
855 " *tx_cons_sb(0x%x)\n",
856 i, txdata.tx_pkt_prod,
857 txdata.tx_pkt_cons, txdata.tx_bd_prod,
858 txdata.tx_bd_cons,
859 le16_to_cpu(*txdata.tx_cons_sb));
860 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000861
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300862 loop = CHIP_IS_E1x(bp) ?
863 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000864
865 /* host sb data */
866
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000867#ifdef BCM_CNIC
868 if (IS_FCOE_FP(fp))
869 continue;
870#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000871 BNX2X_ERR(" run indexes (");
872 for (j = 0; j < HC_SB_MAX_SM; j++)
873 pr_cont("0x%x%s",
874 fp->sb_running_index[j],
875 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
876
877 BNX2X_ERR(" indexes (");
878 for (j = 0; j < loop; j++)
879 pr_cont("0x%x%s",
880 fp->sb_index_values[j],
881 (j == loop - 1) ? ")" : " ");
882 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300883 data_size = CHIP_IS_E1x(bp) ?
884 sizeof(struct hc_status_block_data_e1x) :
885 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000886 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300887 sb_data_p = CHIP_IS_E1x(bp) ?
888 (u32 *)&sb_data_e1x :
889 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000890 /* copy sb data in here */
891 for (j = 0; j < data_size; j++)
892 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
893 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
894 j * sizeof(u32));
895
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300896 if (!CHIP_IS_E1x(bp)) {
897 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) "
898 "vnic_id(0x%x) same_igu_sb_1b(0x%x) "
899 "state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000900 sb_data_e2.common.p_func.pf_id,
901 sb_data_e2.common.p_func.vf_id,
902 sb_data_e2.common.p_func.vf_valid,
903 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300904 sb_data_e2.common.same_igu_sb_1b,
905 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000906 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300907 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) "
908 "vnic_id(0x%x) same_igu_sb_1b(0x%x) "
909 "state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000910 sb_data_e1x.common.p_func.pf_id,
911 sb_data_e1x.common.p_func.vf_id,
912 sb_data_e1x.common.p_func.vf_valid,
913 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300914 sb_data_e1x.common.same_igu_sb_1b,
915 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000916 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000917
918 /* SB_SMs data */
919 for (j = 0; j < HC_SB_MAX_SM; j++) {
920 pr_cont("SM[%d] __flags (0x%x) "
921 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
922 "time_to_expire (0x%x) "
923 "timer_value(0x%x)\n", j,
924 hc_sm_p[j].__flags,
925 hc_sm_p[j].igu_sb_id,
926 hc_sm_p[j].igu_seg_id,
927 hc_sm_p[j].time_to_expire,
928 hc_sm_p[j].timer_value);
929 }
930
931 /* Indecies data */
932 for (j = 0; j < loop; j++) {
933 pr_cont("INDEX[%d] flags (0x%x) "
934 "timeout (0x%x)\n", j,
935 hc_index_p[j].flags,
936 hc_index_p[j].timeout);
937 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000938 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200939
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000940#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000941 /* Rings */
942 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000943 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000944 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200945
946 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
947 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000948 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200949 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
950 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
951
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000952 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +0000953 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200954 }
955
Eilon Greenstein3196a882008-08-13 15:58:49 -0700956 start = RX_SGE(fp->rx_sge_prod);
957 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000958 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700959 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
960 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
961
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000962 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
963 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700964 }
965
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200966 start = RCQ_BD(fp->rx_comp_cons - 10);
967 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000968 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200969 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
970
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000971 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
972 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200973 }
974 }
975
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000976 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000977 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000978 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +0000979 for_each_cos_in_tx_queue(fp, cos) {
980 struct bnx2x_fp_txdata *txdata = &fp->txdata[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000981
Ariel Elior6383c0b2011-07-14 08:31:57 +0000982 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
983 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
984 for (j = start; j != end; j = TX_BD(j + 1)) {
985 struct sw_tx_bd *sw_bd =
986 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000987
Ariel Elior6383c0b2011-07-14 08:31:57 +0000988 BNX2X_ERR("fp%d: txdata %d, "
989 "packet[%x]=[%p,%x]\n",
990 i, cos, j, sw_bd->skb,
991 sw_bd->first_bd);
992 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000993
Ariel Elior6383c0b2011-07-14 08:31:57 +0000994 start = TX_BD(txdata->tx_bd_cons - 10);
995 end = TX_BD(txdata->tx_bd_cons + 254);
996 for (j = start; j != end; j = TX_BD(j + 1)) {
997 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000998
Ariel Elior6383c0b2011-07-14 08:31:57 +0000999 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]="
1000 "[%x:%x:%x:%x]\n",
1001 i, cos, j, tx_bd[0], tx_bd[1],
1002 tx_bd[2], tx_bd[3]);
1003 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001004 }
1005 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001006#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001007 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001008 bnx2x_mc_assert(bp);
1009 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001010}
1011
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001012/*
1013 * FLR Support for E2
1014 *
1015 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
1016 * initialization.
1017 */
1018#define FLR_WAIT_USEC 10000 /* 10 miliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001019#define FLR_WAIT_INTERVAL 50 /* usec */
1020#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001021
1022struct pbf_pN_buf_regs {
1023 int pN;
1024 u32 init_crd;
1025 u32 crd;
1026 u32 crd_freed;
1027};
1028
1029struct pbf_pN_cmd_regs {
1030 int pN;
1031 u32 lines_occup;
1032 u32 lines_freed;
1033};
1034
1035static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
1036 struct pbf_pN_buf_regs *regs,
1037 u32 poll_count)
1038{
1039 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
1040 u32 cur_cnt = poll_count;
1041
1042 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
1043 crd = crd_start = REG_RD(bp, regs->crd);
1044 init_crd = REG_RD(bp, regs->init_crd);
1045
1046 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
1047 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
1048 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
1049
1050 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
1051 (init_crd - crd_start))) {
1052 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001053 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001054 crd = REG_RD(bp, regs->crd);
1055 crd_freed = REG_RD(bp, regs->crd_freed);
1056 } else {
1057 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
1058 regs->pN);
1059 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
1060 regs->pN, crd);
1061 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
1062 regs->pN, crd_freed);
1063 break;
1064 }
1065 }
1066 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001067 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001068}
1069
1070static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
1071 struct pbf_pN_cmd_regs *regs,
1072 u32 poll_count)
1073{
1074 u32 occup, to_free, freed, freed_start;
1075 u32 cur_cnt = poll_count;
1076
1077 occup = to_free = REG_RD(bp, regs->lines_occup);
1078 freed = freed_start = REG_RD(bp, regs->lines_freed);
1079
1080 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
1081 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
1082
1083 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1084 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001085 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001086 occup = REG_RD(bp, regs->lines_occup);
1087 freed = REG_RD(bp, regs->lines_freed);
1088 } else {
1089 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1090 regs->pN);
1091 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
1092 regs->pN, occup);
1093 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1094 regs->pN, freed);
1095 break;
1096 }
1097 }
1098 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001099 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001100}
1101
1102static inline u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1103 u32 expected, u32 poll_count)
1104{
1105 u32 cur_cnt = poll_count;
1106 u32 val;
1107
1108 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001109 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001110
1111 return val;
1112}
1113
1114static inline int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1115 char *msg, u32 poll_cnt)
1116{
1117 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1118 if (val != 0) {
1119 BNX2X_ERR("%s usage count=%d\n", msg, val);
1120 return 1;
1121 }
1122 return 0;
1123}
1124
1125static u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
1126{
1127 /* adjust polling timeout */
1128 if (CHIP_REV_IS_EMUL(bp))
1129 return FLR_POLL_CNT * 2000;
1130
1131 if (CHIP_REV_IS_FPGA(bp))
1132 return FLR_POLL_CNT * 120;
1133
1134 return FLR_POLL_CNT;
1135}
1136
1137static void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
1138{
1139 struct pbf_pN_cmd_regs cmd_regs[] = {
1140 {0, (CHIP_IS_E3B0(bp)) ?
1141 PBF_REG_TQ_OCCUPANCY_Q0 :
1142 PBF_REG_P0_TQ_OCCUPANCY,
1143 (CHIP_IS_E3B0(bp)) ?
1144 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1145 PBF_REG_P0_TQ_LINES_FREED_CNT},
1146 {1, (CHIP_IS_E3B0(bp)) ?
1147 PBF_REG_TQ_OCCUPANCY_Q1 :
1148 PBF_REG_P1_TQ_OCCUPANCY,
1149 (CHIP_IS_E3B0(bp)) ?
1150 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1151 PBF_REG_P1_TQ_LINES_FREED_CNT},
1152 {4, (CHIP_IS_E3B0(bp)) ?
1153 PBF_REG_TQ_OCCUPANCY_LB_Q :
1154 PBF_REG_P4_TQ_OCCUPANCY,
1155 (CHIP_IS_E3B0(bp)) ?
1156 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1157 PBF_REG_P4_TQ_LINES_FREED_CNT}
1158 };
1159
1160 struct pbf_pN_buf_regs buf_regs[] = {
1161 {0, (CHIP_IS_E3B0(bp)) ?
1162 PBF_REG_INIT_CRD_Q0 :
1163 PBF_REG_P0_INIT_CRD ,
1164 (CHIP_IS_E3B0(bp)) ?
1165 PBF_REG_CREDIT_Q0 :
1166 PBF_REG_P0_CREDIT,
1167 (CHIP_IS_E3B0(bp)) ?
1168 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1169 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1170 {1, (CHIP_IS_E3B0(bp)) ?
1171 PBF_REG_INIT_CRD_Q1 :
1172 PBF_REG_P1_INIT_CRD,
1173 (CHIP_IS_E3B0(bp)) ?
1174 PBF_REG_CREDIT_Q1 :
1175 PBF_REG_P1_CREDIT,
1176 (CHIP_IS_E3B0(bp)) ?
1177 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1178 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1179 {4, (CHIP_IS_E3B0(bp)) ?
1180 PBF_REG_INIT_CRD_LB_Q :
1181 PBF_REG_P4_INIT_CRD,
1182 (CHIP_IS_E3B0(bp)) ?
1183 PBF_REG_CREDIT_LB_Q :
1184 PBF_REG_P4_CREDIT,
1185 (CHIP_IS_E3B0(bp)) ?
1186 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1187 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1188 };
1189
1190 int i;
1191
1192 /* Verify the command queues are flushed P0, P1, P4 */
1193 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1194 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1195
1196
1197 /* Verify the transmission buffers are flushed P0, P1, P4 */
1198 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1199 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1200}
1201
1202#define OP_GEN_PARAM(param) \
1203 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1204
1205#define OP_GEN_TYPE(type) \
1206 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1207
1208#define OP_GEN_AGG_VECT(index) \
1209 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1210
1211
1212static inline int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
1213 u32 poll_cnt)
1214{
1215 struct sdm_op_gen op_gen = {0};
1216
1217 u32 comp_addr = BAR_CSTRORM_INTMEM +
1218 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1219 int ret = 0;
1220
1221 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001222 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001223 return 1;
1224 }
1225
1226 op_gen.command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1227 op_gen.command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1228 op_gen.command |= OP_GEN_AGG_VECT(clnup_func);
1229 op_gen.command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
1230
Ariel Elior89db4ad2012-01-26 06:01:48 +00001231 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001232 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen.command);
1233
1234 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1235 BNX2X_ERR("FW final cleanup did not succeed\n");
1236 ret = 1;
1237 }
1238 /* Zero completion for nxt FLR */
1239 REG_WR(bp, comp_addr, 0);
1240
1241 return ret;
1242}
1243
1244static inline u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
1245{
1246 int pos;
1247 u16 status;
1248
Jon Mason77c98e62011-06-27 07:45:12 +00001249 pos = pci_pcie_cap(dev);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001250 if (!pos)
1251 return false;
1252
1253 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
1254 return status & PCI_EXP_DEVSTA_TRPND;
1255}
1256
1257/* PF FLR specific routines
1258*/
1259static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1260{
1261
1262 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1263 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1264 CFC_REG_NUM_LCIDS_INSIDE_PF,
1265 "CFC PF usage counter timed out",
1266 poll_cnt))
1267 return 1;
1268
1269
1270 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1271 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1272 DORQ_REG_PF_USAGE_CNT,
1273 "DQ PF usage counter timed out",
1274 poll_cnt))
1275 return 1;
1276
1277 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1278 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1279 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1280 "QM PF usage counter timed out",
1281 poll_cnt))
1282 return 1;
1283
1284 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1285 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1286 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1287 "Timers VNIC usage counter timed out",
1288 poll_cnt))
1289 return 1;
1290 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1291 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1292 "Timers NUM_SCANS usage counter timed out",
1293 poll_cnt))
1294 return 1;
1295
1296 /* Wait DMAE PF usage counter to zero */
1297 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1298 dmae_reg_go_c[INIT_DMAE_C(bp)],
1299 "DMAE dommand register timed out",
1300 poll_cnt))
1301 return 1;
1302
1303 return 0;
1304}
1305
1306static void bnx2x_hw_enable_status(struct bnx2x *bp)
1307{
1308 u32 val;
1309
1310 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1311 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1312
1313 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1314 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1315
1316 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1317 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1318
1319 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1320 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1321
1322 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1323 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1324
1325 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1326 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1327
1328 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1329 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1330
1331 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1332 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1333 val);
1334}
1335
1336static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1337{
1338 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1339
1340 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1341
1342 /* Re-enable PF target read access */
1343 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1344
1345 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001346 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001347 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1348 return -EBUSY;
1349
1350 /* Zero the igu 'trailing edge' and 'leading edge' */
1351
1352 /* Send the FW cleanup command */
1353 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1354 return -EBUSY;
1355
1356 /* ATC cleanup */
1357
1358 /* Verify TX hw is flushed */
1359 bnx2x_tx_hw_flushed(bp, poll_cnt);
1360
1361 /* Wait 100ms (not adjusted according to platform) */
1362 msleep(100);
1363
1364 /* Verify no pending pci transactions */
1365 if (bnx2x_is_pcie_pending(bp->pdev))
1366 BNX2X_ERR("PCIE Transactions still pending\n");
1367
1368 /* Debug */
1369 bnx2x_hw_enable_status(bp);
1370
1371 /*
1372 * Master enable - Due to WB DMAE writes performed before this
1373 * register is re-initialized as part of the regular function init
1374 */
1375 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1376
1377 return 0;
1378}
1379
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001380static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001381{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001382 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001383 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1384 u32 val = REG_RD(bp, addr);
1385 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001386 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001387
1388 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001389 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1390 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001391 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1392 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001393 } else if (msi) {
1394 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1395 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1396 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1397 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001398 } else {
1399 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001400 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001401 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1402 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001403
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001404 if (!CHIP_IS_E1(bp)) {
1405 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1406 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001407
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001408 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001409
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001410 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1411 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001412 }
1413
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001414 if (CHIP_IS_E1(bp))
1415 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1416
Eilon Greenstein8badd272009-02-12 08:36:15 +00001417 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1418 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001419
1420 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001421 /*
1422 * Ensure that HC_CONFIG is written before leading/trailing edge config
1423 */
1424 mmiowb();
1425 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001426
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001427 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001428 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001429 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001430 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001431 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001432 /* enable nig and gpio3 attention */
1433 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001434 } else
1435 val = 0xffff;
1436
1437 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1438 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1439 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001440
1441 /* Make sure that interrupts are indeed enabled from here on */
1442 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001443}
1444
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001445static void bnx2x_igu_int_enable(struct bnx2x *bp)
1446{
1447 u32 val;
1448 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1449 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1450
1451 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1452
1453 if (msix) {
1454 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1455 IGU_PF_CONF_SINGLE_ISR_EN);
1456 val |= (IGU_PF_CONF_FUNC_EN |
1457 IGU_PF_CONF_MSI_MSIX_EN |
1458 IGU_PF_CONF_ATTN_BIT_EN);
1459 } else if (msi) {
1460 val &= ~IGU_PF_CONF_INT_LINE_EN;
1461 val |= (IGU_PF_CONF_FUNC_EN |
1462 IGU_PF_CONF_MSI_MSIX_EN |
1463 IGU_PF_CONF_ATTN_BIT_EN |
1464 IGU_PF_CONF_SINGLE_ISR_EN);
1465 } else {
1466 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1467 val |= (IGU_PF_CONF_FUNC_EN |
1468 IGU_PF_CONF_INT_LINE_EN |
1469 IGU_PF_CONF_ATTN_BIT_EN |
1470 IGU_PF_CONF_SINGLE_ISR_EN);
1471 }
1472
1473 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1474 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1475
1476 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1477
1478 barrier();
1479
1480 /* init leading/trailing edge */
1481 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001482 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001483 if (bp->port.pmf)
1484 /* enable nig and gpio3 attention */
1485 val |= 0x1100;
1486 } else
1487 val = 0xffff;
1488
1489 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1490 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1491
1492 /* Make sure that interrupts are indeed enabled from here on */
1493 mmiowb();
1494}
1495
1496void bnx2x_int_enable(struct bnx2x *bp)
1497{
1498 if (bp->common.int_block == INT_BLOCK_HC)
1499 bnx2x_hc_int_enable(bp);
1500 else
1501 bnx2x_igu_int_enable(bp);
1502}
1503
1504static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001505{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001506 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001507 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1508 u32 val = REG_RD(bp, addr);
1509
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001510 /*
1511 * in E1 we must use only PCI configuration space to disable
1512 * MSI/MSIX capablility
1513 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1514 */
1515 if (CHIP_IS_E1(bp)) {
1516 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1517 * Use mask register to prevent from HC sending interrupts
1518 * after we exit the function
1519 */
1520 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1521
1522 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1523 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1524 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1525 } else
1526 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1527 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1528 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1529 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001530
1531 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1532 val, port, addr);
1533
Eilon Greenstein8badd272009-02-12 08:36:15 +00001534 /* flush all outstanding writes */
1535 mmiowb();
1536
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001537 REG_WR(bp, addr, val);
1538 if (REG_RD(bp, addr) != val)
1539 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1540}
1541
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001542static void bnx2x_igu_int_disable(struct bnx2x *bp)
1543{
1544 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1545
1546 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1547 IGU_PF_CONF_INT_LINE_EN |
1548 IGU_PF_CONF_ATTN_BIT_EN);
1549
1550 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1551
1552 /* flush all outstanding writes */
1553 mmiowb();
1554
1555 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1556 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1557 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1558}
1559
Ariel Elior6383c0b2011-07-14 08:31:57 +00001560void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001561{
1562 if (bp->common.int_block == INT_BLOCK_HC)
1563 bnx2x_hc_int_disable(bp);
1564 else
1565 bnx2x_igu_int_disable(bp);
1566}
1567
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001568void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001569{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001570 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001571 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001572
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001573 if (disable_hw)
1574 /* prevent the HW from sending interrupts */
1575 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001576
1577 /* make sure all ISRs are done */
1578 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001579 synchronize_irq(bp->msix_table[0].vector);
1580 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001581#ifdef BCM_CNIC
1582 offset++;
1583#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001584 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001585 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001586 } else
1587 synchronize_irq(bp->pdev->irq);
1588
1589 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001590 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001591 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001592 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001593}
1594
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001595/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001596
1597/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001598 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001599 */
1600
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001601/* Return true if succeeded to acquire the lock */
1602static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1603{
1604 u32 lock_status;
1605 u32 resource_bit = (1 << resource);
1606 int func = BP_FUNC(bp);
1607 u32 hw_lock_control_reg;
1608
1609 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1610
1611 /* Validating that the resource is within range */
1612 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1613 DP(NETIF_MSG_HW,
1614 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1615 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001616 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001617 }
1618
1619 if (func <= 5)
1620 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1621 else
1622 hw_lock_control_reg =
1623 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1624
1625 /* Try to acquire the lock */
1626 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1627 lock_status = REG_RD(bp, hw_lock_control_reg);
1628 if (lock_status & resource_bit)
1629 return true;
1630
1631 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1632 return false;
1633}
1634
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001635/**
1636 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1637 *
1638 * @bp: driver handle
1639 *
1640 * Returns the recovery leader resource id according to the engine this function
1641 * belongs to. Currently only only 2 engines is supported.
1642 */
1643static inline int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
1644{
1645 if (BP_PATH(bp))
1646 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1647 else
1648 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1649}
1650
1651/**
1652 * bnx2x_trylock_leader_lock- try to aquire a leader lock.
1653 *
1654 * @bp: driver handle
1655 *
1656 * Tries to aquire a leader lock for cuurent engine.
1657 */
1658static inline bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
1659{
1660 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1661}
1662
Michael Chan993ac7b2009-10-10 13:46:56 +00001663#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001664static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Michael Chan993ac7b2009-10-10 13:46:56 +00001665#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001666
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001667void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001668{
1669 struct bnx2x *bp = fp->bp;
1670 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1671 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001672 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
1673 struct bnx2x_queue_sp_obj *q_obj = &fp->q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001674
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001675 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001676 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001677 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001678 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001679
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001680 switch (command) {
1681 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001682 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001683 drv_cmd = BNX2X_Q_CMD_UPDATE;
1684 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001685
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001686 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001687 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001688 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001689 break;
1690
Ariel Elior6383c0b2011-07-14 08:31:57 +00001691 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
1692 DP(NETIF_MSG_IFUP, "got MULTI[%d] tx-only setup ramrod\n", cid);
1693 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1694 break;
1695
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001696 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001697 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001698 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001699 break;
1700
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001701 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001702 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001703 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1704 break;
1705
1706 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001707 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001708 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001709 break;
1710
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001711 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001712 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1713 command, fp->index);
1714 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001715 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001716
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001717 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1718 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1719 /* q_obj->complete_cmd() failure means that this was
1720 * an unexpected completion.
1721 *
1722 * In this case we don't want to increase the bp->spq_left
1723 * because apparently we haven't sent this command the first
1724 * place.
1725 */
1726#ifdef BNX2X_STOP_ON_ERROR
1727 bnx2x_panic();
1728#else
1729 return;
1730#endif
1731
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001732 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001733 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001734 /* push the change in bp->spq_left and towards the memory */
1735 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001736
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001737 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1738
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001739 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001740}
1741
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001742void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1743 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod)
1744{
1745 u32 start = BAR_USTRORM_INTMEM + fp->ustorm_rx_prods_offset;
1746
1747 bnx2x_update_rx_prod_gen(bp, fp, bd_prod, rx_comp_prod, rx_sge_prod,
1748 start);
1749}
1750
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001751irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001752{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001753 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001754 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001755 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001756 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001757 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001758
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001759 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001760 if (unlikely(status == 0)) {
1761 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1762 return IRQ_NONE;
1763 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001764 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001765
Eilon Greenstein3196a882008-08-13 15:58:49 -07001766#ifdef BNX2X_STOP_ON_ERROR
1767 if (unlikely(bp->panic))
1768 return IRQ_HANDLED;
1769#endif
1770
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001771 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001772 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001773
Ariel Elior6383c0b2011-07-14 08:31:57 +00001774 mask = 0x2 << (fp->index + CNIC_PRESENT);
Eilon Greensteinca003922009-08-12 22:53:28 -07001775 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001776 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001777 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001778 for_each_cos_in_tx_queue(fp, cos)
1779 prefetch(fp->txdata[cos].tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001780 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001781 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001782 status &= ~mask;
1783 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001784 }
1785
Michael Chan993ac7b2009-10-10 13:46:56 +00001786#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001787 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001788 if (status & (mask | 0x1)) {
1789 struct cnic_ops *c_ops = NULL;
1790
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001791 if (likely(bp->state == BNX2X_STATE_OPEN)) {
1792 rcu_read_lock();
1793 c_ops = rcu_dereference(bp->cnic_ops);
1794 if (c_ops)
1795 c_ops->cnic_handler(bp->cnic_data, NULL);
1796 rcu_read_unlock();
1797 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001798
1799 status &= ~mask;
1800 }
1801#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001802
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001803 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001804 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001805
1806 status &= ~0x1;
1807 if (!status)
1808 return IRQ_HANDLED;
1809 }
1810
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001811 if (unlikely(status))
1812 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001813 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001814
1815 return IRQ_HANDLED;
1816}
1817
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001818/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001819
1820/*
1821 * General service functions
1822 */
1823
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001824int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001825{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001826 u32 lock_status;
1827 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001828 int func = BP_FUNC(bp);
1829 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001830 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001831
1832 /* Validating that the resource is within range */
1833 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1834 DP(NETIF_MSG_HW,
1835 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1836 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1837 return -EINVAL;
1838 }
1839
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001840 if (func <= 5) {
1841 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1842 } else {
1843 hw_lock_control_reg =
1844 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1845 }
1846
Eliezer Tamirf1410642008-02-28 11:51:50 -08001847 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001848 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001849 if (lock_status & resource_bit) {
1850 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1851 lock_status, resource_bit);
1852 return -EEXIST;
1853 }
1854
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001855 /* Try for 5 second every 5ms */
1856 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001857 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001858 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1859 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001860 if (lock_status & resource_bit)
1861 return 0;
1862
1863 msleep(5);
1864 }
1865 DP(NETIF_MSG_HW, "Timeout\n");
1866 return -EAGAIN;
1867}
1868
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001869int bnx2x_release_leader_lock(struct bnx2x *bp)
1870{
1871 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1872}
1873
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001874int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001875{
1876 u32 lock_status;
1877 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001878 int func = BP_FUNC(bp);
1879 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001880
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001881 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1882
Eliezer Tamirf1410642008-02-28 11:51:50 -08001883 /* Validating that the resource is within range */
1884 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1885 DP(NETIF_MSG_HW,
1886 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1887 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1888 return -EINVAL;
1889 }
1890
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001891 if (func <= 5) {
1892 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1893 } else {
1894 hw_lock_control_reg =
1895 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1896 }
1897
Eliezer Tamirf1410642008-02-28 11:51:50 -08001898 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001899 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001900 if (!(lock_status & resource_bit)) {
1901 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1902 lock_status, resource_bit);
1903 return -EFAULT;
1904 }
1905
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001906 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001907 return 0;
1908}
1909
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001910
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001911int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1912{
1913 /* The GPIO should be swapped if swap register is set and active */
1914 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1915 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1916 int gpio_shift = gpio_num +
1917 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1918 u32 gpio_mask = (1 << gpio_shift);
1919 u32 gpio_reg;
1920 int value;
1921
1922 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1923 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1924 return -EINVAL;
1925 }
1926
1927 /* read GPIO value */
1928 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1929
1930 /* get the requested pin value */
1931 if ((gpio_reg & gpio_mask) == gpio_mask)
1932 value = 1;
1933 else
1934 value = 0;
1935
1936 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1937
1938 return value;
1939}
1940
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001941int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001942{
1943 /* The GPIO should be swapped if swap register is set and active */
1944 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001945 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001946 int gpio_shift = gpio_num +
1947 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1948 u32 gpio_mask = (1 << gpio_shift);
1949 u32 gpio_reg;
1950
1951 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1952 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1953 return -EINVAL;
1954 }
1955
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001956 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001957 /* read GPIO and mask except the float bits */
1958 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1959
1960 switch (mode) {
1961 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1962 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1963 gpio_num, gpio_shift);
1964 /* clear FLOAT and set CLR */
1965 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1966 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1967 break;
1968
1969 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1970 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1971 gpio_num, gpio_shift);
1972 /* clear FLOAT and set SET */
1973 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1974 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1975 break;
1976
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001977 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001978 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1979 gpio_num, gpio_shift);
1980 /* set FLOAT */
1981 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1982 break;
1983
1984 default:
1985 break;
1986 }
1987
1988 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001989 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001990
1991 return 0;
1992}
1993
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00001994int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
1995{
1996 u32 gpio_reg = 0;
1997 int rc = 0;
1998
1999 /* Any port swapping should be handled by caller. */
2000
2001 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2002 /* read GPIO and mask except the float bits */
2003 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
2004 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2005 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
2006 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
2007
2008 switch (mode) {
2009 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
2010 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
2011 /* set CLR */
2012 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
2013 break;
2014
2015 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
2016 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
2017 /* set SET */
2018 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
2019 break;
2020
2021 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
2022 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
2023 /* set FLOAT */
2024 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2025 break;
2026
2027 default:
2028 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
2029 rc = -EINVAL;
2030 break;
2031 }
2032
2033 if (rc == 0)
2034 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
2035
2036 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2037
2038 return rc;
2039}
2040
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002041int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
2042{
2043 /* The GPIO should be swapped if swap register is set and active */
2044 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2045 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2046 int gpio_shift = gpio_num +
2047 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2048 u32 gpio_mask = (1 << gpio_shift);
2049 u32 gpio_reg;
2050
2051 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2052 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2053 return -EINVAL;
2054 }
2055
2056 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2057 /* read GPIO int */
2058 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2059
2060 switch (mode) {
2061 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
2062 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
2063 "output low\n", gpio_num, gpio_shift);
2064 /* clear SET and set CLR */
2065 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2066 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2067 break;
2068
2069 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
2070 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
2071 "output high\n", gpio_num, gpio_shift);
2072 /* clear CLR and set SET */
2073 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2074 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2075 break;
2076
2077 default:
2078 break;
2079 }
2080
2081 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2082 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2083
2084 return 0;
2085}
2086
Eliezer Tamirf1410642008-02-28 11:51:50 -08002087static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
2088{
2089 u32 spio_mask = (1 << spio_num);
2090 u32 spio_reg;
2091
2092 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
2093 (spio_num > MISC_REGISTERS_SPIO_7)) {
2094 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
2095 return -EINVAL;
2096 }
2097
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002098 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002099 /* read SPIO and mask except the float bits */
2100 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
2101
2102 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07002103 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08002104 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
2105 /* clear FLOAT and set CLR */
2106 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2107 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
2108 break;
2109
Eilon Greenstein6378c022008-08-13 15:59:25 -07002110 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08002111 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
2112 /* clear FLOAT and set SET */
2113 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2114 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
2115 break;
2116
2117 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
2118 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
2119 /* set FLOAT */
2120 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2121 break;
2122
2123 default:
2124 break;
2125 }
2126
2127 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002128 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002129
2130 return 0;
2131}
2132
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002133void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002134{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002135 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002136 switch (bp->link_vars.ieee_fc &
2137 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002138 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002139 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002140 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002141 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002142
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002143 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002144 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002145 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002146 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002147
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002148 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002149 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002150 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002151
Eliezer Tamirf1410642008-02-28 11:51:50 -08002152 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002153 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002154 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002155 break;
2156 }
2157}
2158
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002159u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002160{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002161 if (!BP_NOMCP(bp)) {
2162 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002163 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
2164 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002165 /*
2166 * Initialize link parameters structure variables
2167 * It is recommended to turn off RX FC for jumbo frames
2168 * for better performance
2169 */
2170 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08002171 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002172 else
David S. Millerc0700f92008-12-16 23:53:20 -08002173 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002174
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002175 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002176
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002177 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002178 struct link_params *lp = &bp->link_params;
2179 lp->loopback_mode = LOOPBACK_XGXS;
2180 /* do PHY loopback at 10G speed, if possible */
2181 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2182 if (lp->speed_cap_mask[cfx_idx] &
2183 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2184 lp->req_line_speed[cfx_idx] =
2185 SPEED_10000;
2186 else
2187 lp->req_line_speed[cfx_idx] =
2188 SPEED_1000;
2189 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002190 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002191
Eilon Greenstein19680c42008-08-13 15:47:33 -07002192 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002193
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002194 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002195
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002196 bnx2x_calc_fc_adv(bp);
2197
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002198 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
2199 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002200 bnx2x_link_report(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002201 } else
2202 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002203 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002204 return rc;
2205 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002206 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002207 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002208}
2209
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002210void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002211{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002212 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002213 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00002214 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002215 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002216 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002217
Eilon Greenstein19680c42008-08-13 15:47:33 -07002218 bnx2x_calc_fc_adv(bp);
2219 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002220 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002221}
2222
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002223static void bnx2x__link_reset(struct bnx2x *bp)
2224{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002225 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002226 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002227 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002228 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002229 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002230 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002231}
2232
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002233u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002234{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002235 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002236
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002237 if (!BP_NOMCP(bp)) {
2238 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002239 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2240 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002241 bnx2x_release_phy_lock(bp);
2242 } else
2243 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002244
2245 return rc;
2246}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002247
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002248static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002249{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002250 u32 r_param = bp->link_vars.line_speed / 8;
2251 u32 fair_periodic_timeout_usec;
2252 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002253
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002254 memset(&(bp->cmng.rs_vars), 0,
2255 sizeof(struct rate_shaping_vars_per_port));
2256 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002257
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002258 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2259 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002260
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002261 /* this is the threshold below which no timer arming will occur
2262 1.25 coefficient is for the threshold to be a little bigger
2263 than the real time, to compensate for timer in-accuracy */
2264 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002265 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2266
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002267 /* resolution of fairness timer */
2268 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2269 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2270 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002271
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002272 /* this is the threshold below which we won't arm the timer anymore */
2273 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002274
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002275 /* we multiply by 1e3/8 to get bytes/msec.
2276 We don't want the credits to pass a credit
2277 of the t_fair*FAIR_MEM (algorithm resolution) */
2278 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
2279 /* since each tick is 4 usec */
2280 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002281}
2282
Eilon Greenstein2691d512009-08-12 08:22:08 +00002283/* Calculates the sum of vn_min_rates.
2284 It's needed for further normalizing of the min_rates.
2285 Returns:
2286 sum of vn_min_rates.
2287 or
2288 0 - if all the min_rates are 0.
2289 In the later case fainess algorithm should be deactivated.
2290 If not all min_rates are zero then those that are zeroes will be set to 1.
2291 */
2292static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
2293{
2294 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002295 int vn;
2296
2297 bp->vn_weight_sum = 0;
David S. Miller8decf862011-09-22 03:23:13 -04002298 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002299 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002300 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2301 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2302
2303 /* Skip hidden vns */
2304 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
2305 continue;
2306
2307 /* If min rate is zero - set it to 1 */
2308 if (!vn_min_rate)
2309 vn_min_rate = DEF_MIN_RATE;
2310 else
2311 all_zero = 0;
2312
2313 bp->vn_weight_sum += vn_min_rate;
2314 }
2315
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002316 /* if ETS or all min rates are zeros - disable fairness */
2317 if (BNX2X_IS_ETS_ENABLED(bp)) {
2318 bp->cmng.flags.cmng_enables &=
2319 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2320 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2321 } else if (all_zero) {
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002322 bp->cmng.flags.cmng_enables &=
2323 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2324 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2325 " fairness will be disabled\n");
2326 } else
2327 bp->cmng.flags.cmng_enables |=
2328 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002329}
2330
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002331static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002332{
2333 struct rate_shaping_vars_per_vn m_rs_vn;
2334 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002335 u32 vn_cfg = bp->mf_config[vn];
David S. Miller8decf862011-09-22 03:23:13 -04002336 int func = func_by_vn(bp, vn);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002337 u16 vn_min_rate, vn_max_rate;
2338 int i;
2339
2340 /* If function is hidden - set min and max to zeroes */
2341 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2342 vn_min_rate = 0;
2343 vn_max_rate = 0;
2344
2345 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002346 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2347
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002348 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2349 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002350 /* If fairness is enabled (not all min rates are zeroes) and
2351 if current min rate is zero - set it to 1.
2352 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002353 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002354 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002355
2356 if (IS_MF_SI(bp))
2357 /* maxCfg in percents of linkspeed */
2358 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
2359 else
2360 /* maxCfg is absolute in 100Mb units */
2361 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002362 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002363
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002364 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002365 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002366 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002367
2368 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2369 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2370
2371 /* global vn counter - maximal Mbps for this vn */
2372 m_rs_vn.vn_counter.rate = vn_max_rate;
2373
2374 /* quota - number of bytes transmitted in this period */
2375 m_rs_vn.vn_counter.quota =
2376 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2377
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002378 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002379 /* credit for each period of the fairness algorithm:
2380 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002381 vn_weight_sum should not be larger than 10000, thus
2382 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2383 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002384 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002385 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2386 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00002387 (bp->cmng.fair_vars.fair_threshold +
2388 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002389 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002390 m_fair_vn.vn_credit_delta);
2391 }
2392
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002393 /* Store it to internal memory */
2394 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2395 REG_WR(bp, BAR_XSTRORM_INTMEM +
2396 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2397 ((u32 *)(&m_rs_vn))[i]);
2398
2399 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2400 REG_WR(bp, BAR_XSTRORM_INTMEM +
2401 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2402 ((u32 *)(&m_fair_vn))[i]);
2403}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002404
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002405static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2406{
2407 if (CHIP_REV_IS_SLOW(bp))
2408 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002409 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002410 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002411
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002412 return CMNG_FNS_NONE;
2413}
2414
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002415void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002416{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002417 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002418
2419 if (BP_NOMCP(bp))
2420 return; /* what should be the default bvalue in this case */
2421
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002422 /* For 2 port configuration the absolute function number formula
2423 * is:
2424 * abs_func = 2 * vn + BP_PORT + BP_PATH
2425 *
2426 * and there are 4 functions per port
2427 *
2428 * For 4 port configuration it is
2429 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2430 *
2431 * and there are 2 functions per port
2432 */
David S. Miller8decf862011-09-22 03:23:13 -04002433 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002434 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2435
2436 if (func >= E1H_FUNC_MAX)
2437 break;
2438
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002439 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002440 MF_CFG_RD(bp, func_mf_config[func].config);
2441 }
2442}
2443
2444static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2445{
2446
2447 if (cmng_type == CMNG_FNS_MINMAX) {
2448 int vn;
2449
2450 /* clear cmng_enables */
2451 bp->cmng.flags.cmng_enables = 0;
2452
2453 /* read mf conf from shmem */
2454 if (read_cfg)
2455 bnx2x_read_mf_cfg(bp);
2456
2457 /* Init rate shaping and fairness contexts */
2458 bnx2x_init_port_minmax(bp);
2459
2460 /* vn_weight_sum and enable fairness if not 0 */
2461 bnx2x_calc_vn_weight_sum(bp);
2462
2463 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002464 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002465 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002466 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002467
2468 /* always enable rate shaping and fairness */
2469 bp->cmng.flags.cmng_enables |=
2470 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2471 if (!bp->vn_weight_sum)
2472 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2473 " fairness will be disabled\n");
2474 return;
2475 }
2476
2477 /* rate shaping and fairness are disabled */
2478 DP(NETIF_MSG_IFUP,
2479 "rate shaping and fairness are disabled\n");
2480}
2481
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002482/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002483static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002484{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002485 /* Make sure that we are synced with the current statistics */
2486 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2487
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002488 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002489
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002490 if (bp->link_vars.link_up) {
2491
Eilon Greenstein1c063282009-02-12 08:36:43 +00002492 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002493 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002494 int port = BP_PORT(bp);
2495 u32 pause_enabled = 0;
2496
2497 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2498 pause_enabled = 1;
2499
2500 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002501 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002502 pause_enabled);
2503 }
2504
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002505 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002506 struct host_port_stats *pstats;
2507
2508 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002509 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002510 memset(&(pstats->mac_stx[0]), 0,
2511 sizeof(struct mac_stx));
2512 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002513 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002514 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2515 }
2516
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002517 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2518 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002519
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002520 if (cmng_fns != CMNG_FNS_NONE) {
2521 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2522 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2523 } else
2524 /* rate shaping and fairness are disabled */
2525 DP(NETIF_MSG_IFUP,
2526 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002527 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002528
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002529 __bnx2x_link_report(bp);
2530
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002531 if (IS_MF(bp))
2532 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002533}
2534
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002535void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002536{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002537 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002538 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002539
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002540 /* read updated dcb configuration */
2541 bnx2x_dcbx_pmf_update(bp);
2542
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002543 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2544
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002545 if (bp->link_vars.link_up)
2546 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2547 else
2548 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2549
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002550 /* indicate link status */
2551 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002552}
2553
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002554static void bnx2x_pmf_update(struct bnx2x *bp)
2555{
2556 int port = BP_PORT(bp);
2557 u32 val;
2558
2559 bp->port.pmf = 1;
2560 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2561
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002562 /*
2563 * We need the mb() to ensure the ordering between the writing to
2564 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2565 */
2566 smp_mb();
2567
2568 /* queue a periodic task */
2569 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2570
Dmitry Kravkovef018542011-06-14 01:33:57 +00002571 bnx2x_dcbx_pmf_update(bp);
2572
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002573 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002574 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002575 if (bp->common.int_block == INT_BLOCK_HC) {
2576 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2577 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002578 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002579 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2580 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2581 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002582
2583 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002584}
2585
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002586/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002587
2588/* slow path */
2589
2590/*
2591 * General service functions
2592 */
2593
Eilon Greenstein2691d512009-08-12 08:22:08 +00002594/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002595u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002596{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002597 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002598 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002599 u32 rc = 0;
2600 u32 cnt = 1;
2601 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2602
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002603 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002604 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002605 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2606 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2607
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002608 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2609 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002610
2611 do {
2612 /* let the FW do it's magic ... */
2613 msleep(delay);
2614
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002615 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002616
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002617 /* Give the FW up to 5 second (500*10ms) */
2618 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002619
2620 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2621 cnt*delay, rc, seq);
2622
2623 /* is this a reply to our command? */
2624 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2625 rc &= FW_MSG_CODE_MASK;
2626 else {
2627 /* FW BUG! */
2628 BNX2X_ERR("FW failed to respond!\n");
2629 bnx2x_fw_dump(bp);
2630 rc = 0;
2631 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002632 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002633
2634 return rc;
2635}
2636
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002637
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002638void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002639{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002640 if (CHIP_IS_E1x(bp)) {
2641 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002642
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002643 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2644 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002645
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002646 /* Enable the function in the FW */
2647 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2648 storm_memset_func_en(bp, p->func_id, 1);
2649
2650 /* spq */
2651 if (p->func_flgs & FUNC_FLG_SPQ) {
2652 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2653 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2654 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2655 }
2656}
2657
Ariel Elior6383c0b2011-07-14 08:31:57 +00002658/**
2659 * bnx2x_get_tx_only_flags - Return common flags
2660 *
2661 * @bp device handle
2662 * @fp queue handle
2663 * @zero_stats TRUE if statistics zeroing is needed
2664 *
2665 * Return the flags that are common for the Tx-only and not normal connections.
2666 */
2667static inline unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2668 struct bnx2x_fastpath *fp,
2669 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002670{
2671 unsigned long flags = 0;
2672
2673 /* PF driver will always initialize the Queue to an ACTIVE state */
2674 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2675
Ariel Elior6383c0b2011-07-14 08:31:57 +00002676 /* tx only connections collect statistics (on the same index as the
2677 * parent connection). The statistics are zeroed when the parent
2678 * connection is initialized.
2679 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002680
2681 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2682 if (zero_stats)
2683 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2684
Ariel Elior6383c0b2011-07-14 08:31:57 +00002685
2686 return flags;
2687}
2688
2689static inline unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2690 struct bnx2x_fastpath *fp,
2691 bool leading)
2692{
2693 unsigned long flags = 0;
2694
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002695 /* calculate other queue flags */
2696 if (IS_MF_SD(bp))
2697 __set_bit(BNX2X_Q_FLG_OV, &flags);
2698
2699 if (IS_FCOE_FP(fp))
2700 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002701
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002702 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002703 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002704 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
2705 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002706
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002707 if (leading) {
2708 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2709 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2710 }
2711
2712 /* Always set HW VLAN stripping */
2713 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002714
Ariel Elior6383c0b2011-07-14 08:31:57 +00002715
2716 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002717}
2718
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002719static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002720 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2721 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002722{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002723 gen_init->stat_id = bnx2x_stats_id(fp);
2724 gen_init->spcl_id = fp->cl_id;
2725
2726 /* Always use mini-jumbo MTU for FCoE L2 ring */
2727 if (IS_FCOE_FP(fp))
2728 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2729 else
2730 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002731
2732 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002733}
2734
2735static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2736 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2737 struct bnx2x_rxq_setup_params *rxq_init)
2738{
2739 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002740 u16 sge_sz = 0;
2741 u16 tpa_agg_size = 0;
2742
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002743 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002744 pause->sge_th_lo = SGE_TH_LO(bp);
2745 pause->sge_th_hi = SGE_TH_HI(bp);
2746
2747 /* validate SGE ring has enough to cross high threshold */
2748 WARN_ON(bp->dropless_fc &&
2749 pause->sge_th_hi + FW_PREFETCH_CNT >
2750 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2751
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002752 tpa_agg_size = min_t(u32,
2753 (min_t(u32, 8, MAX_SKB_FRAGS) *
2754 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2755 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2756 SGE_PAGE_SHIFT;
2757 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2758 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2759 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2760 0xffff);
2761 }
2762
2763 /* pause - not for e1 */
2764 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002765 pause->bd_th_lo = BD_TH_LO(bp);
2766 pause->bd_th_hi = BD_TH_HI(bp);
2767
2768 pause->rcq_th_lo = RCQ_TH_LO(bp);
2769 pause->rcq_th_hi = RCQ_TH_HI(bp);
2770 /*
2771 * validate that rings have enough entries to cross
2772 * high thresholds
2773 */
2774 WARN_ON(bp->dropless_fc &&
2775 pause->bd_th_hi + FW_PREFETCH_CNT >
2776 bp->rx_ring_size);
2777 WARN_ON(bp->dropless_fc &&
2778 pause->rcq_th_hi + FW_PREFETCH_CNT >
2779 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002780
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002781 pause->pri_map = 1;
2782 }
2783
2784 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002785 rxq_init->dscr_map = fp->rx_desc_mapping;
2786 rxq_init->sge_map = fp->rx_sge_mapping;
2787 rxq_init->rcq_map = fp->rx_comp_mapping;
2788 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002789
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002790 /* This should be a maximum number of data bytes that may be
2791 * placed on the BD (not including paddings).
2792 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002793 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2794 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002795
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002796 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002797 rxq_init->tpa_agg_sz = tpa_agg_size;
2798 rxq_init->sge_buf_sz = sge_sz;
2799 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002800 rxq_init->rss_engine_id = BP_FUNC(bp);
2801
2802 /* Maximum number or simultaneous TPA aggregation for this Queue.
2803 *
2804 * For PF Clients it should be the maximum avaliable number.
2805 * VF driver(s) may want to define it to a smaller value.
2806 */
David S. Miller8decf862011-09-22 03:23:13 -04002807 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002808
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002809 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2810 rxq_init->fw_sb_id = fp->fw_sb_id;
2811
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002812 if (IS_FCOE_FP(fp))
2813 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2814 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002815 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002816}
2817
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002818static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002819 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2820 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002821{
Ariel Elior6383c0b2011-07-14 08:31:57 +00002822 txq_init->dscr_map = fp->txdata[cos].tx_desc_mapping;
2823 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002824 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2825 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002826
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002827 /*
2828 * set the tss leading client id for TX classfication ==
2829 * leading RSS client id
2830 */
2831 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2832
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002833 if (IS_FCOE_FP(fp)) {
2834 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2835 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2836 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002837}
2838
stephen hemminger8d962862010-10-21 07:50:56 +00002839static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002840{
2841 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002842 struct event_ring_data eq_data = { {0} };
2843 u16 flags;
2844
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002845 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002846 /* reset IGU PF statistics: MSIX + ATTN */
2847 /* PF */
2848 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2849 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2850 (CHIP_MODE_IS_4_PORT(bp) ?
2851 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2852 /* ATTN */
2853 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2854 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2855 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2856 (CHIP_MODE_IS_4_PORT(bp) ?
2857 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2858 }
2859
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002860 /* function setup flags */
2861 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2862
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002863 /* This flag is relevant for E1x only.
2864 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002865 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002866 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002867
2868 func_init.func_flgs = flags;
2869 func_init.pf_id = BP_FUNC(bp);
2870 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002871 func_init.spq_map = bp->spq_mapping;
2872 func_init.spq_prod = bp->spq_prod_idx;
2873
2874 bnx2x_func_init(bp, &func_init);
2875
2876 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2877
2878 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002879 * Congestion management values depend on the link rate
2880 * There is no active link so initial link rate is set to 10 Gbps.
2881 * When the link comes up The congestion management values are
2882 * re-calculated according to the actual link rate.
2883 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002884 bp->link_vars.line_speed = SPEED_10000;
2885 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2886
2887 /* Only the PMF sets the HW */
2888 if (bp->port.pmf)
2889 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2890
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002891 /* init Event Queue */
2892 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2893 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2894 eq_data.producer = bp->eq_prod;
2895 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2896 eq_data.sb_id = DEF_SB_ID;
2897 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2898}
2899
2900
Eilon Greenstein2691d512009-08-12 08:22:08 +00002901static void bnx2x_e1h_disable(struct bnx2x *bp)
2902{
2903 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002904
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002905 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002906
2907 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002908}
2909
2910static void bnx2x_e1h_enable(struct bnx2x *bp)
2911{
2912 int port = BP_PORT(bp);
2913
2914 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2915
Eilon Greenstein2691d512009-08-12 08:22:08 +00002916 /* Tx queue should be only reenabled */
2917 netif_tx_wake_all_queues(bp->dev);
2918
Eilon Greenstein061bc702009-10-15 00:18:47 -07002919 /*
2920 * Should not call netif_carrier_on since it will be called if the link
2921 * is up when checking for link state
2922 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002923}
2924
Barak Witkowski1d187b32011-12-05 22:41:50 +00002925#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
2926
2927static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
2928{
2929 struct eth_stats_info *ether_stat =
2930 &bp->slowpath->drv_info_to_mcp.ether_stat;
2931
2932 /* leave last char as NULL */
2933 memcpy(ether_stat->version, DRV_MODULE_VERSION,
2934 ETH_STAT_INFO_VERSION_LEN - 1);
2935
2936 bp->fp[0].mac_obj.get_n_elements(bp, &bp->fp[0].mac_obj,
2937 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
2938 ether_stat->mac_local);
2939
2940 ether_stat->mtu_size = bp->dev->mtu;
2941
2942 if (bp->dev->features & NETIF_F_RXCSUM)
2943 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
2944 if (bp->dev->features & NETIF_F_TSO)
2945 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
2946 ether_stat->feature_flags |= bp->common.boot_mode;
2947
2948 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
2949
2950 ether_stat->txq_size = bp->tx_ring_size;
2951 ether_stat->rxq_size = bp->rx_ring_size;
2952}
2953
2954static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
2955{
Michael Chanf2fd5c32011-12-06 10:58:08 +00002956#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00002957 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
2958 struct fcoe_stats_info *fcoe_stat =
2959 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
2960
2961 memcpy(fcoe_stat->mac_local, bp->fip_mac, ETH_ALEN);
2962
2963 fcoe_stat->qos_priority =
2964 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
2965
2966 /* insert FCoE stats from ramrod response */
2967 if (!NO_FCOE(bp)) {
2968 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
2969 &bp->fw_stats_data->queue_stats[FCOE_IDX].
2970 tstorm_queue_statistics;
2971
2972 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
2973 &bp->fw_stats_data->queue_stats[FCOE_IDX].
2974 xstorm_queue_statistics;
2975
2976 struct fcoe_statistics_params *fw_fcoe_stat =
2977 &bp->fw_stats_data->fcoe;
2978
2979 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
2980 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
2981
2982 ADD_64(fcoe_stat->rx_bytes_hi,
2983 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
2984 fcoe_stat->rx_bytes_lo,
2985 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
2986
2987 ADD_64(fcoe_stat->rx_bytes_hi,
2988 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
2989 fcoe_stat->rx_bytes_lo,
2990 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
2991
2992 ADD_64(fcoe_stat->rx_bytes_hi,
2993 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
2994 fcoe_stat->rx_bytes_lo,
2995 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
2996
2997 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
2998 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
2999
3000 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3001 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3002
3003 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3004 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3005
3006 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003007 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003008
3009 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3010 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3011
3012 ADD_64(fcoe_stat->tx_bytes_hi,
3013 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3014 fcoe_stat->tx_bytes_lo,
3015 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3016
3017 ADD_64(fcoe_stat->tx_bytes_hi,
3018 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3019 fcoe_stat->tx_bytes_lo,
3020 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3021
3022 ADD_64(fcoe_stat->tx_bytes_hi,
3023 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3024 fcoe_stat->tx_bytes_lo,
3025 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3026
3027 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3028 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3029
3030 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3031 fcoe_q_xstorm_stats->ucast_pkts_sent);
3032
3033 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3034 fcoe_q_xstorm_stats->bcast_pkts_sent);
3035
3036 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3037 fcoe_q_xstorm_stats->mcast_pkts_sent);
3038 }
3039
Barak Witkowski1d187b32011-12-05 22:41:50 +00003040 /* ask L5 driver to add data to the struct */
3041 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
3042#endif
3043}
3044
3045static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3046{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003047#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003048 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3049 struct iscsi_stats_info *iscsi_stat =
3050 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3051
3052 memcpy(iscsi_stat->mac_local, bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
3053
3054 iscsi_stat->qos_priority =
3055 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3056
Barak Witkowski1d187b32011-12-05 22:41:50 +00003057 /* ask L5 driver to add data to the struct */
3058 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
3059#endif
3060}
3061
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003062/* called due to MCP event (on pmf):
3063 * reread new bandwidth configuration
3064 * configure FW
3065 * notify others function about the change
3066 */
3067static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
3068{
3069 if (bp->link_vars.link_up) {
3070 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3071 bnx2x_link_sync_notify(bp);
3072 }
3073 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3074}
3075
3076static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
3077{
3078 bnx2x_config_mf_bw(bp);
3079 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3080}
3081
Barak Witkowski1d187b32011-12-05 22:41:50 +00003082static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3083{
3084 enum drv_info_opcode op_code;
3085 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3086
3087 /* if drv_info version supported by MFW doesn't match - send NACK */
3088 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3089 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3090 return;
3091 }
3092
3093 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3094 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3095
3096 memset(&bp->slowpath->drv_info_to_mcp, 0,
3097 sizeof(union drv_info_to_mcp));
3098
3099 switch (op_code) {
3100 case ETH_STATS_OPCODE:
3101 bnx2x_drv_info_ether_stat(bp);
3102 break;
3103 case FCOE_STATS_OPCODE:
3104 bnx2x_drv_info_fcoe_stat(bp);
3105 break;
3106 case ISCSI_STATS_OPCODE:
3107 bnx2x_drv_info_iscsi_stat(bp);
3108 break;
3109 default:
3110 /* if op code isn't supported - send NACK */
3111 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3112 return;
3113 }
3114
3115 /* if we got drv_info attn from MFW then these fields are defined in
3116 * shmem2 for sure
3117 */
3118 SHMEM2_WR(bp, drv_info_host_addr_lo,
3119 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3120 SHMEM2_WR(bp, drv_info_host_addr_hi,
3121 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3122
3123 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3124}
3125
Eilon Greenstein2691d512009-08-12 08:22:08 +00003126static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3127{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003128 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003129
3130 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3131
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003132 /*
3133 * This is the only place besides the function initialization
3134 * where the bp->flags can change so it is done without any
3135 * locks
3136 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003137 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00003138 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003139 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003140
3141 bnx2x_e1h_disable(bp);
3142 } else {
3143 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003144 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003145
3146 bnx2x_e1h_enable(bp);
3147 }
3148 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3149 }
3150 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003151 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003152 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3153 }
3154
3155 /* Report results to MCP */
3156 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003157 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003158 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003159 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003160}
3161
Michael Chan28912902009-10-10 13:46:53 +00003162/* must be called under the spq lock */
3163static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
3164{
3165 struct eth_spe *next_spe = bp->spq_prod_bd;
3166
3167 if (bp->spq_prod_bd == bp->spq_last_bd) {
3168 bp->spq_prod_bd = bp->spq;
3169 bp->spq_prod_idx = 0;
3170 DP(NETIF_MSG_TIMER, "end of spq\n");
3171 } else {
3172 bp->spq_prod_bd++;
3173 bp->spq_prod_idx++;
3174 }
3175 return next_spe;
3176}
3177
3178/* must be called under the spq lock */
3179static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
3180{
3181 int func = BP_FUNC(bp);
3182
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003183 /*
3184 * Make sure that BD data is updated before writing the producer:
3185 * BD data is written to the memory, the producer is read from the
3186 * memory, thus we need a full memory barrier to ensure the ordering.
3187 */
3188 mb();
Michael Chan28912902009-10-10 13:46:53 +00003189
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003190 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003191 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00003192 mmiowb();
3193}
3194
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003195/**
3196 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3197 *
3198 * @cmd: command to check
3199 * @cmd_type: command type
3200 */
3201static inline bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
3202{
3203 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003204 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003205 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3206 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3207 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3208 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3209 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3210 return true;
3211 else
3212 return false;
3213
3214}
3215
3216
3217/**
3218 * bnx2x_sp_post - place a single command on an SP ring
3219 *
3220 * @bp: driver handle
3221 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3222 * @cid: SW CID the command is related to
3223 * @data_hi: command private data address (high 32 bits)
3224 * @data_lo: command private data address (low 32 bits)
3225 * @cmd_type: command type (e.g. NONE, ETH)
3226 *
3227 * SP data is handled as if it's always an address pair, thus data fields are
3228 * not swapped to little endian in upper functions. Instead this function swaps
3229 * data as if it's two u32 fields.
3230 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003231int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003232 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003233{
Michael Chan28912902009-10-10 13:46:53 +00003234 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003235 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003236 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003237
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003238#ifdef BNX2X_STOP_ON_ERROR
3239 if (unlikely(bp->panic))
3240 return -EIO;
3241#endif
3242
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003243 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003244
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003245 if (common) {
3246 if (!atomic_read(&bp->eq_spq_left)) {
3247 BNX2X_ERR("BUG! EQ ring full!\n");
3248 spin_unlock_bh(&bp->spq_lock);
3249 bnx2x_panic();
3250 return -EBUSY;
3251 }
3252 } else if (!atomic_read(&bp->cq_spq_left)) {
3253 BNX2X_ERR("BUG! SPQ ring full!\n");
3254 spin_unlock_bh(&bp->spq_lock);
3255 bnx2x_panic();
3256 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003257 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003258
Michael Chan28912902009-10-10 13:46:53 +00003259 spe = bnx2x_sp_get_next(bp);
3260
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003261 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00003262 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003263 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3264 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003265
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003266 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003267
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003268 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3269 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003270
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003271 spe->hdr.type = cpu_to_le16(type);
3272
3273 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3274 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3275
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003276 /*
3277 * It's ok if the actual decrement is issued towards the memory
3278 * somewhere between the spin_lock and spin_unlock. Thus no
3279 * more explict memory barrier is needed.
3280 */
3281 if (common)
3282 atomic_dec(&bp->eq_spq_left);
3283 else
3284 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003285
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003286
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003287 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003288 "SPQE[%x] (%x:%x) (cmd, common?) (%d,%d) hw_cid %x data (%x:%x) "
3289 "type(0x%x) left (CQ, EQ) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003290 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3291 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003292 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003293 HW_CID(bp, cid), data_hi, data_lo, type,
3294 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003295
Michael Chan28912902009-10-10 13:46:53 +00003296 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003297 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003298 return 0;
3299}
3300
3301/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003302static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003303{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003304 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003305 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003306
3307 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003308 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003309 val = (1UL << 31);
3310 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3311 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3312 if (val & (1L << 31))
3313 break;
3314
3315 msleep(5);
3316 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003317 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003318 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003319 rc = -EBUSY;
3320 }
3321
3322 return rc;
3323}
3324
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003325/* release split MCP access lock register */
3326static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003327{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003328 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003329}
3330
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003331#define BNX2X_DEF_SB_ATT_IDX 0x0001
3332#define BNX2X_DEF_SB_IDX 0x0002
3333
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003334static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
3335{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003336 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003337 u16 rc = 0;
3338
3339 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003340 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3341 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003342 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003343 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003344
3345 if (bp->def_idx != def_sb->sp_sb.running_index) {
3346 bp->def_idx = def_sb->sp_sb.running_index;
3347 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003348 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003349
3350 /* Do not reorder: indecies reading should complete before handling */
3351 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003352 return rc;
3353}
3354
3355/*
3356 * slow path service functions
3357 */
3358
3359static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3360{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003361 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003362 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3363 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003364 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3365 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003366 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003367 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003368 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003369
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003370 if (bp->attn_state & asserted)
3371 BNX2X_ERR("IGU ERROR\n");
3372
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003373 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3374 aeu_mask = REG_RD(bp, aeu_addr);
3375
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003376 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003377 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003378 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003379 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003380
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003381 REG_WR(bp, aeu_addr, aeu_mask);
3382 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003383
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003384 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003385 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003386 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003387
3388 if (asserted & ATTN_HARD_WIRED_MASK) {
3389 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003390
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003391 bnx2x_acquire_phy_lock(bp);
3392
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003393 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003394 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003395
Yaniv Rosner361c3912011-06-14 01:33:19 +00003396 /* If nig_mask is not set, no need to call the update
3397 * function.
3398 */
3399 if (nig_mask) {
3400 REG_WR(bp, nig_int_mask_addr, 0);
3401
3402 bnx2x_link_attn(bp);
3403 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003404
3405 /* handle unicore attn? */
3406 }
3407 if (asserted & ATTN_SW_TIMER_4_FUNC)
3408 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3409
3410 if (asserted & GPIO_2_FUNC)
3411 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3412
3413 if (asserted & GPIO_3_FUNC)
3414 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3415
3416 if (asserted & GPIO_4_FUNC)
3417 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3418
3419 if (port == 0) {
3420 if (asserted & ATTN_GENERAL_ATTN_1) {
3421 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3422 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3423 }
3424 if (asserted & ATTN_GENERAL_ATTN_2) {
3425 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3426 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3427 }
3428 if (asserted & ATTN_GENERAL_ATTN_3) {
3429 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3430 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3431 }
3432 } else {
3433 if (asserted & ATTN_GENERAL_ATTN_4) {
3434 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3435 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3436 }
3437 if (asserted & ATTN_GENERAL_ATTN_5) {
3438 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3439 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3440 }
3441 if (asserted & ATTN_GENERAL_ATTN_6) {
3442 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3443 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3444 }
3445 }
3446
3447 } /* if hardwired */
3448
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003449 if (bp->common.int_block == INT_BLOCK_HC)
3450 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3451 COMMAND_REG_ATTN_BITS_SET);
3452 else
3453 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3454
3455 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3456 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3457 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003458
3459 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003460 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003461 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003462 bnx2x_release_phy_lock(bp);
3463 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003464}
3465
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003466static inline void bnx2x_fan_failure(struct bnx2x *bp)
3467{
3468 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003469 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003470 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003471 ext_phy_config =
3472 SHMEM_RD(bp,
3473 dev_info.port_hw_config[port].external_phy_config);
3474
3475 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3476 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003477 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003478 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003479
3480 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003481 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
3482 " the driver to shutdown the card to prevent permanent"
3483 " damage. Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003484
3485 /*
3486 * Scheudle device reset (unload)
3487 * This is due to some boards consuming sufficient power when driver is
3488 * up to overheat if fan fails.
3489 */
3490 smp_mb__before_clear_bit();
3491 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3492 smp_mb__after_clear_bit();
3493 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3494
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003495}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003496
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003497static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
3498{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003499 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003500 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003501 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003502
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003503 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3504 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003505
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003506 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003507
3508 val = REG_RD(bp, reg_offset);
3509 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3510 REG_WR(bp, reg_offset, val);
3511
3512 BNX2X_ERR("SPIO5 hw attention\n");
3513
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003514 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003515 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003516 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003517 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003518
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003519 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003520 bnx2x_acquire_phy_lock(bp);
3521 bnx2x_handle_module_detect_int(&bp->link_params);
3522 bnx2x_release_phy_lock(bp);
3523 }
3524
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003525 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3526
3527 val = REG_RD(bp, reg_offset);
3528 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3529 REG_WR(bp, reg_offset, val);
3530
3531 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003532 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003533 bnx2x_panic();
3534 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003535}
3536
3537static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3538{
3539 u32 val;
3540
Eilon Greenstein0626b892009-02-12 08:38:14 +00003541 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003542
3543 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3544 BNX2X_ERR("DB hw attention 0x%x\n", val);
3545 /* DORQ discard attention */
3546 if (val & 0x2)
3547 BNX2X_ERR("FATAL error from DORQ\n");
3548 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003549
3550 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3551
3552 int port = BP_PORT(bp);
3553 int reg_offset;
3554
3555 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3556 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3557
3558 val = REG_RD(bp, reg_offset);
3559 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3560 REG_WR(bp, reg_offset, val);
3561
3562 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003563 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003564 bnx2x_panic();
3565 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003566}
3567
3568static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3569{
3570 u32 val;
3571
3572 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3573
3574 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3575 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3576 /* CFC error attention */
3577 if (val & 0x2)
3578 BNX2X_ERR("FATAL error from CFC\n");
3579 }
3580
3581 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003582 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003583 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003584 /* RQ_USDMDP_FIFO_OVERFLOW */
3585 if (val & 0x18000)
3586 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003587
3588 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003589 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3590 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3591 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003592 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003593
3594 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3595
3596 int port = BP_PORT(bp);
3597 int reg_offset;
3598
3599 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3600 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3601
3602 val = REG_RD(bp, reg_offset);
3603 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3604 REG_WR(bp, reg_offset, val);
3605
3606 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003607 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003608 bnx2x_panic();
3609 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003610}
3611
3612static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3613{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003614 u32 val;
3615
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003616 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3617
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003618 if (attn & BNX2X_PMF_LINK_ASSERT) {
3619 int func = BP_FUNC(bp);
3620
3621 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003622 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3623 func_mf_config[BP_ABS_FUNC(bp)].config);
3624 val = SHMEM_RD(bp,
3625 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003626 if (val & DRV_STATUS_DCC_EVENT_MASK)
3627 bnx2x_dcc_event(bp,
3628 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003629
3630 if (val & DRV_STATUS_SET_MF_BW)
3631 bnx2x_set_mf_bw(bp);
3632
Barak Witkowski1d187b32011-12-05 22:41:50 +00003633 if (val & DRV_STATUS_DRV_INFO_REQ)
3634 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003635 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003636 bnx2x_pmf_update(bp);
3637
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003638 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003639 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3640 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003641 /* start dcbx state machine */
3642 bnx2x_dcbx_set_params(bp,
3643 BNX2X_DCBX_STATE_NEG_RECEIVED);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003644 if (bp->link_vars.periodic_flags &
3645 PERIODIC_FLAGS_LINK_EVENT) {
3646 /* sync with link */
3647 bnx2x_acquire_phy_lock(bp);
3648 bp->link_vars.periodic_flags &=
3649 ~PERIODIC_FLAGS_LINK_EVENT;
3650 bnx2x_release_phy_lock(bp);
3651 if (IS_MF(bp))
3652 bnx2x_link_sync_notify(bp);
3653 bnx2x_link_report(bp);
3654 }
3655 /* Always call it here: bnx2x_link_report() will
3656 * prevent the link indication duplication.
3657 */
3658 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003659 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003660
3661 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003662 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003663 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3664 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3665 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3666 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3667 bnx2x_panic();
3668
3669 } else if (attn & BNX2X_MCP_ASSERT) {
3670
3671 BNX2X_ERR("MCP assert!\n");
3672 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003673 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003674
3675 } else
3676 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3677 }
3678
3679 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003680 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3681 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003682 val = CHIP_IS_E1(bp) ? 0 :
3683 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003684 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3685 }
3686 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003687 val = CHIP_IS_E1(bp) ? 0 :
3688 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003689 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3690 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003691 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003692 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003693}
3694
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003695/*
3696 * Bits map:
3697 * 0-7 - Engine0 load counter.
3698 * 8-15 - Engine1 load counter.
3699 * 16 - Engine0 RESET_IN_PROGRESS bit.
3700 * 17 - Engine1 RESET_IN_PROGRESS bit.
3701 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3702 * on the engine
3703 * 19 - Engine1 ONE_IS_LOADED.
3704 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3705 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3706 * just the one belonging to its engine).
3707 *
3708 */
3709#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3710
3711#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3712#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3713#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3714#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3715#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3716#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3717#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003718
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003719/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003720 * Set the GLOBAL_RESET bit.
3721 *
3722 * Should be run under rtnl lock
3723 */
3724void bnx2x_set_reset_global(struct bnx2x *bp)
3725{
Ariel Eliorf16da432012-01-26 06:01:50 +00003726 u32 val;
3727 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3728 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003729 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003730 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003731}
3732
3733/*
3734 * Clear the GLOBAL_RESET bit.
3735 *
3736 * Should be run under rtnl lock
3737 */
3738static inline void bnx2x_clear_reset_global(struct bnx2x *bp)
3739{
Ariel Eliorf16da432012-01-26 06:01:50 +00003740 u32 val;
3741 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3742 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003743 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003744 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003745}
3746
3747/*
3748 * Checks the GLOBAL_RESET bit.
3749 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003750 * should be run under rtnl lock
3751 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003752static inline bool bnx2x_reset_is_global(struct bnx2x *bp)
3753{
3754 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3755
3756 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3757 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3758}
3759
3760/*
3761 * Clear RESET_IN_PROGRESS bit for the current engine.
3762 *
3763 * Should be run under rtnl lock
3764 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003765static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3766{
Ariel Eliorf16da432012-01-26 06:01:50 +00003767 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003768 u32 bit = BP_PATH(bp) ?
3769 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003770 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3771 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003772
3773 /* Clear the bit */
3774 val &= ~bit;
3775 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003776
3777 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003778}
3779
3780/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003781 * Set RESET_IN_PROGRESS for the current engine.
3782 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003783 * should be run under rtnl lock
3784 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003785void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003786{
Ariel Eliorf16da432012-01-26 06:01:50 +00003787 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003788 u32 bit = BP_PATH(bp) ?
3789 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003790 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3791 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003792
3793 /* Set the bit */
3794 val |= bit;
3795 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003796 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003797}
3798
3799/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003800 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003801 * should be run under rtnl lock
3802 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003803bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003804{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003805 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3806 u32 bit = engine ?
3807 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3808
3809 /* return false if bit is set */
3810 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003811}
3812
3813/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003814 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003815 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003816 * should be run under rtnl lock
3817 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003818void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003819{
Ariel Eliorf16da432012-01-26 06:01:50 +00003820 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003821 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3822 BNX2X_PATH0_LOAD_CNT_MASK;
3823 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3824 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003825
Ariel Eliorf16da432012-01-26 06:01:50 +00003826 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3827 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3828
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003829 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3830
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003831 /* get the current counter value */
3832 val1 = (val & mask) >> shift;
3833
Ariel Elior889b9af2012-01-26 06:01:51 +00003834 /* set bit of that PF */
3835 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003836
3837 /* clear the old value */
3838 val &= ~mask;
3839
3840 /* set the new one */
3841 val |= ((val1 << shift) & mask);
3842
3843 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003844 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003845}
3846
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003847/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003848 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003849 *
3850 * @bp: driver handle
3851 *
3852 * Should be run under rtnl lock.
3853 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003854 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003855 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003856bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003857{
Ariel Eliorf16da432012-01-26 06:01:50 +00003858 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003859 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3860 BNX2X_PATH0_LOAD_CNT_MASK;
3861 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3862 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003863
Ariel Eliorf16da432012-01-26 06:01:50 +00003864 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3865 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003866 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3867
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003868 /* get the current counter value */
3869 val1 = (val & mask) >> shift;
3870
Ariel Elior889b9af2012-01-26 06:01:51 +00003871 /* clear bit of that PF */
3872 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003873
3874 /* clear the old value */
3875 val &= ~mask;
3876
3877 /* set the new one */
3878 val |= ((val1 << shift) & mask);
3879
3880 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003881 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3882 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003883}
3884
3885/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003886 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003887 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003888 * should be run under rtnl lock
3889 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003890static inline bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003891{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003892 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
3893 BNX2X_PATH0_LOAD_CNT_MASK);
3894 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3895 BNX2X_PATH0_LOAD_CNT_SHIFT);
3896 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3897
3898 DP(NETIF_MSG_HW, "GLOB_REG=0x%08x\n", val);
3899
3900 val = (val & mask) >> shift;
3901
Ariel Elior889b9af2012-01-26 06:01:51 +00003902 DP(NETIF_MSG_HW, "load mask for engine %d = 0x%x\n", engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003903
Ariel Elior889b9af2012-01-26 06:01:51 +00003904 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003905}
3906
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003907/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003908 * Reset the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003909 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003910static inline void bnx2x_clear_load_status(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003911{
Ariel Eliorf16da432012-01-26 06:01:50 +00003912 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003913 u32 mask = (BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
Ariel Eliorf16da432012-01-26 06:01:50 +00003914 BNX2X_PATH0_LOAD_CNT_MASK);
3915 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3916 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003917 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~mask));
Ariel Eliorf16da432012-01-26 06:01:50 +00003918 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003919}
3920
3921static inline void _print_next_block(int idx, const char *blk)
3922{
Joe Perchesf1deab52011-08-14 12:16:21 +00003923 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003924}
3925
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003926static inline int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
3927 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003928{
3929 int i = 0;
3930 u32 cur_bit = 0;
3931 for (i = 0; sig; i++) {
3932 cur_bit = ((u32)0x1 << i);
3933 if (sig & cur_bit) {
3934 switch (cur_bit) {
3935 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003936 if (print)
3937 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003938 break;
3939 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003940 if (print)
3941 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003942 break;
3943 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003944 if (print)
3945 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003946 break;
3947 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003948 if (print)
3949 _print_next_block(par_num++,
3950 "SEARCHER");
3951 break;
3952 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
3953 if (print)
3954 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003955 break;
3956 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003957 if (print)
3958 _print_next_block(par_num++, "TSEMI");
3959 break;
3960 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3961 if (print)
3962 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003963 break;
3964 }
3965
3966 /* Clear the bit */
3967 sig &= ~cur_bit;
3968 }
3969 }
3970
3971 return par_num;
3972}
3973
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003974static inline int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
3975 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003976{
3977 int i = 0;
3978 u32 cur_bit = 0;
3979 for (i = 0; sig; i++) {
3980 cur_bit = ((u32)0x1 << i);
3981 if (sig & cur_bit) {
3982 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003983 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
3984 if (print)
3985 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003986 break;
3987 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003988 if (print)
3989 _print_next_block(par_num++, "QM");
3990 break;
3991 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
3992 if (print)
3993 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003994 break;
3995 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003996 if (print)
3997 _print_next_block(par_num++, "XSDM");
3998 break;
3999 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4000 if (print)
4001 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004002 break;
4003 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004004 if (print)
4005 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004006 break;
4007 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004008 if (print)
4009 _print_next_block(par_num++,
4010 "DOORBELLQ");
4011 break;
4012 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4013 if (print)
4014 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004015 break;
4016 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004017 if (print)
4018 _print_next_block(par_num++,
4019 "VAUX PCI CORE");
4020 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004021 break;
4022 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004023 if (print)
4024 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004025 break;
4026 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004027 if (print)
4028 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004029 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004030 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4031 if (print)
4032 _print_next_block(par_num++, "UCM");
4033 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004034 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004035 if (print)
4036 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004037 break;
4038 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004039 if (print)
4040 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004041 break;
4042 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004043 if (print)
4044 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004045 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004046 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4047 if (print)
4048 _print_next_block(par_num++, "CCM");
4049 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004050 }
4051
4052 /* Clear the bit */
4053 sig &= ~cur_bit;
4054 }
4055 }
4056
4057 return par_num;
4058}
4059
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004060static inline int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4061 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004062{
4063 int i = 0;
4064 u32 cur_bit = 0;
4065 for (i = 0; sig; i++) {
4066 cur_bit = ((u32)0x1 << i);
4067 if (sig & cur_bit) {
4068 switch (cur_bit) {
4069 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004070 if (print)
4071 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004072 break;
4073 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004074 if (print)
4075 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004076 break;
4077 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004078 if (print)
4079 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004080 "PXPPCICLOCKCLIENT");
4081 break;
4082 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004083 if (print)
4084 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004085 break;
4086 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004087 if (print)
4088 _print_next_block(par_num++, "CDU");
4089 break;
4090 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4091 if (print)
4092 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004093 break;
4094 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004095 if (print)
4096 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004097 break;
4098 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004099 if (print)
4100 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004101 break;
4102 }
4103
4104 /* Clear the bit */
4105 sig &= ~cur_bit;
4106 }
4107 }
4108
4109 return par_num;
4110}
4111
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004112static inline int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4113 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004114{
4115 int i = 0;
4116 u32 cur_bit = 0;
4117 for (i = 0; sig; i++) {
4118 cur_bit = ((u32)0x1 << i);
4119 if (sig & cur_bit) {
4120 switch (cur_bit) {
4121 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004122 if (print)
4123 _print_next_block(par_num++, "MCP ROM");
4124 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004125 break;
4126 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004127 if (print)
4128 _print_next_block(par_num++,
4129 "MCP UMP RX");
4130 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004131 break;
4132 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004133 if (print)
4134 _print_next_block(par_num++,
4135 "MCP UMP TX");
4136 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004137 break;
4138 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004139 if (print)
4140 _print_next_block(par_num++,
4141 "MCP SCPAD");
4142 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004143 break;
4144 }
4145
4146 /* Clear the bit */
4147 sig &= ~cur_bit;
4148 }
4149 }
4150
4151 return par_num;
4152}
4153
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004154static inline int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4155 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004156{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004157 int i = 0;
4158 u32 cur_bit = 0;
4159 for (i = 0; sig; i++) {
4160 cur_bit = ((u32)0x1 << i);
4161 if (sig & cur_bit) {
4162 switch (cur_bit) {
4163 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4164 if (print)
4165 _print_next_block(par_num++, "PGLUE_B");
4166 break;
4167 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4168 if (print)
4169 _print_next_block(par_num++, "ATC");
4170 break;
4171 }
4172
4173 /* Clear the bit */
4174 sig &= ~cur_bit;
4175 }
4176 }
4177
4178 return par_num;
4179}
4180
4181static inline bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4182 u32 *sig)
4183{
4184 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4185 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4186 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4187 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4188 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004189 int par_num = 0;
4190 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004191 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x "
4192 "[4]:0x%08x\n",
4193 sig[0] & HW_PRTY_ASSERT_SET_0,
4194 sig[1] & HW_PRTY_ASSERT_SET_1,
4195 sig[2] & HW_PRTY_ASSERT_SET_2,
4196 sig[3] & HW_PRTY_ASSERT_SET_3,
4197 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004198 if (print)
4199 netdev_err(bp->dev,
4200 "Parity errors detected in blocks: ");
4201 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004202 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004203 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004204 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004205 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004206 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004207 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004208 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4209 par_num = bnx2x_check_blocks_with_parity4(
4210 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4211
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004212 if (print)
4213 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004214
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004215 return true;
4216 } else
4217 return false;
4218}
4219
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004220/**
4221 * bnx2x_chk_parity_attn - checks for parity attentions.
4222 *
4223 * @bp: driver handle
4224 * @global: true if there was a global attention
4225 * @print: show parity attention in syslog
4226 */
4227bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004228{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004229 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004230 int port = BP_PORT(bp);
4231
4232 attn.sig[0] = REG_RD(bp,
4233 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4234 port*4);
4235 attn.sig[1] = REG_RD(bp,
4236 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4237 port*4);
4238 attn.sig[2] = REG_RD(bp,
4239 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4240 port*4);
4241 attn.sig[3] = REG_RD(bp,
4242 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4243 port*4);
4244
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004245 if (!CHIP_IS_E1x(bp))
4246 attn.sig[4] = REG_RD(bp,
4247 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4248 port*4);
4249
4250 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004251}
4252
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004253
4254static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
4255{
4256 u32 val;
4257 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4258
4259 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4260 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4261 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
4262 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4263 "ADDRESS_ERROR\n");
4264 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
4265 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4266 "INCORRECT_RCV_BEHAVIOR\n");
4267 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
4268 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4269 "WAS_ERROR_ATTN\n");
4270 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
4271 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4272 "VF_LENGTH_VIOLATION_ATTN\n");
4273 if (val &
4274 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
4275 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4276 "VF_GRC_SPACE_VIOLATION_ATTN\n");
4277 if (val &
4278 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
4279 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4280 "VF_MSIX_BAR_VIOLATION_ATTN\n");
4281 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
4282 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4283 "TCPL_ERROR_ATTN\n");
4284 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
4285 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4286 "TCPL_IN_TWO_RCBS_ATTN\n");
4287 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
4288 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4289 "CSSNOOP_FIFO_OVERFLOW\n");
4290 }
4291 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4292 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4293 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4294 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4295 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4296 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
4297 BNX2X_ERR("ATC_ATC_INT_STS_REG"
4298 "_ATC_TCPL_TO_NOT_PEND\n");
4299 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
4300 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
4301 "ATC_GPA_MULTIPLE_HITS\n");
4302 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
4303 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
4304 "ATC_RCPL_TO_EMPTY_CNT\n");
4305 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4306 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4307 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
4308 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
4309 "ATC_IREQ_LESS_THAN_STU\n");
4310 }
4311
4312 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4313 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4314 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4315 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4316 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4317 }
4318
4319}
4320
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004321static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4322{
4323 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004324 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004325 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004326 u32 reg_addr;
4327 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004328 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004329 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004330
4331 /* need to take HW lock because MCP or other port might also
4332 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004333 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004334
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004335 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4336#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004337 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004338 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004339 /* Disable HW interrupts */
4340 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004341 /* In case of parity errors don't handle attentions so that
4342 * other function would "see" parity errors.
4343 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004344#else
4345 bnx2x_panic();
4346#endif
4347 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004348 return;
4349 }
4350
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004351 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4352 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4353 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4354 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004355 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004356 attn.sig[4] =
4357 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4358 else
4359 attn.sig[4] = 0;
4360
4361 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4362 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004363
4364 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4365 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004366 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004367
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004368 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
4369 "%08x %08x %08x\n",
4370 index,
4371 group_mask->sig[0], group_mask->sig[1],
4372 group_mask->sig[2], group_mask->sig[3],
4373 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004374
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004375 bnx2x_attn_int_deasserted4(bp,
4376 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004377 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004378 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004379 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004380 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004381 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004382 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004383 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004384 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004385 }
4386 }
4387
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004388 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004389
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004390 if (bp->common.int_block == INT_BLOCK_HC)
4391 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4392 COMMAND_REG_ATTN_BITS_CLR);
4393 else
4394 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004395
4396 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004397 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4398 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004399 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004400
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004401 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004402 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004403
4404 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4405 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4406
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004407 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4408 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004409
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004410 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4411 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004412 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004413 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4414
4415 REG_WR(bp, reg_addr, aeu_mask);
4416 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004417
4418 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4419 bp->attn_state &= ~deasserted;
4420 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4421}
4422
4423static void bnx2x_attn_int(struct bnx2x *bp)
4424{
4425 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004426 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4427 attn_bits);
4428 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4429 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004430 u32 attn_state = bp->attn_state;
4431
4432 /* look for changed bits */
4433 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4434 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4435
4436 DP(NETIF_MSG_HW,
4437 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4438 attn_bits, attn_ack, asserted, deasserted);
4439
4440 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004441 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004442
4443 /* handle bits that were raised */
4444 if (asserted)
4445 bnx2x_attn_int_asserted(bp, asserted);
4446
4447 if (deasserted)
4448 bnx2x_attn_int_deasserted(bp, deasserted);
4449}
4450
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004451void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4452 u16 index, u8 op, u8 update)
4453{
4454 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4455
4456 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4457 igu_addr);
4458}
4459
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004460static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
4461{
4462 /* No memory barriers */
4463 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4464 mmiowb(); /* keep prod updates ordered */
4465}
4466
4467#ifdef BCM_CNIC
4468static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4469 union event_ring_elem *elem)
4470{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004471 u8 err = elem->message.error;
4472
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004473 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004474 (cid < bp->cnic_eth_dev.starting_cid &&
4475 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004476 return 1;
4477
4478 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4479
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004480 if (unlikely(err)) {
4481
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004482 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4483 cid);
4484 bnx2x_panic_dump(bp);
4485 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004486 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004487 return 0;
4488}
4489#endif
4490
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004491static inline void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
4492{
4493 struct bnx2x_mcast_ramrod_params rparam;
4494 int rc;
4495
4496 memset(&rparam, 0, sizeof(rparam));
4497
4498 rparam.mcast_obj = &bp->mcast_obj;
4499
4500 netif_addr_lock_bh(bp->dev);
4501
4502 /* Clear pending state for the last command */
4503 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4504
4505 /* If there are pending mcast commands - send them */
4506 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4507 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4508 if (rc < 0)
4509 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4510 rc);
4511 }
4512
4513 netif_addr_unlock_bh(bp->dev);
4514}
4515
4516static inline void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4517 union event_ring_elem *elem)
4518{
4519 unsigned long ramrod_flags = 0;
4520 int rc = 0;
4521 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4522 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4523
4524 /* Always push next commands out, don't wait here */
4525 __set_bit(RAMROD_CONT, &ramrod_flags);
4526
4527 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4528 case BNX2X_FILTER_MAC_PENDING:
4529#ifdef BCM_CNIC
4530 if (cid == BNX2X_ISCSI_ETH_CID)
4531 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4532 else
4533#endif
4534 vlan_mac_obj = &bp->fp[cid].mac_obj;
4535
4536 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004537 case BNX2X_FILTER_MCAST_PENDING:
4538 /* This is only relevant for 57710 where multicast MACs are
4539 * configured as unicast MACs using the same ramrod.
4540 */
4541 bnx2x_handle_mcast_eqe(bp);
4542 return;
4543 default:
4544 BNX2X_ERR("Unsupported classification command: %d\n",
4545 elem->message.data.eth_event.echo);
4546 return;
4547 }
4548
4549 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4550
4551 if (rc < 0)
4552 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4553 else if (rc > 0)
4554 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4555
4556}
4557
4558#ifdef BCM_CNIC
4559static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
4560#endif
4561
4562static inline void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
4563{
4564 netif_addr_lock_bh(bp->dev);
4565
4566 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4567
4568 /* Send rx_mode command again if was requested */
4569 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4570 bnx2x_set_storm_rx_mode(bp);
4571#ifdef BCM_CNIC
4572 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4573 &bp->sp_state))
4574 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4575 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4576 &bp->sp_state))
4577 bnx2x_set_iscsi_eth_rx_mode(bp, false);
4578#endif
4579
4580 netif_addr_unlock_bh(bp->dev);
4581}
4582
4583static inline struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
4584 struct bnx2x *bp, u32 cid)
4585{
Joe Perches94f05b02011-08-14 12:16:20 +00004586 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004587#ifdef BCM_CNIC
4588 if (cid == BNX2X_FCOE_ETH_CID)
4589 return &bnx2x_fcoe(bp, q_obj);
4590 else
4591#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +00004592 return &bnx2x_fp(bp, CID_TO_FP(cid), q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004593}
4594
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004595static void bnx2x_eq_int(struct bnx2x *bp)
4596{
4597 u16 hw_cons, sw_cons, sw_prod;
4598 union event_ring_elem *elem;
4599 u32 cid;
4600 u8 opcode;
4601 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004602 struct bnx2x_queue_sp_obj *q_obj;
4603 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4604 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004605
4606 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4607
4608 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4609 * when we get the the next-page we nned to adjust so the loop
4610 * condition below will be met. The next element is the size of a
4611 * regular element and hence incrementing by 1
4612 */
4613 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4614 hw_cons++;
4615
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004616 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004617 * specific bp, thus there is no need in "paired" read memory
4618 * barrier here.
4619 */
4620 sw_cons = bp->eq_cons;
4621 sw_prod = bp->eq_prod;
4622
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004623 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004624 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004625
4626 for (; sw_cons != hw_cons;
4627 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4628
4629
4630 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4631
4632 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4633 opcode = elem->message.opcode;
4634
4635
4636 /* handle eq element */
4637 switch (opcode) {
4638 case EVENT_RING_OPCODE_STAT_QUERY:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004639 DP(NETIF_MSG_TIMER, "got statistics comp event %d\n",
4640 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004641 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004642 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004643
4644 case EVENT_RING_OPCODE_CFC_DEL:
4645 /* handle according to cid range */
4646 /*
4647 * we may want to verify here that the bp state is
4648 * HALTING
4649 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004650 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004651 "got delete ramrod for MULTI[%d]\n", cid);
4652#ifdef BCM_CNIC
4653 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
4654 goto next_spqe;
4655#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004656 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4657
4658 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4659 break;
4660
4661
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004662
4663 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004664
4665 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004666 DP(BNX2X_MSG_SP, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004667 if (f_obj->complete_cmd(bp, f_obj,
4668 BNX2X_F_CMD_TX_STOP))
4669 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004670 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4671 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004672
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004673 case EVENT_RING_OPCODE_START_TRAFFIC:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004674 DP(BNX2X_MSG_SP, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004675 if (f_obj->complete_cmd(bp, f_obj,
4676 BNX2X_F_CMD_TX_START))
4677 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004678 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4679 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004680 case EVENT_RING_OPCODE_FUNCTION_START:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004681 DP(BNX2X_MSG_SP, "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004682 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4683 break;
4684
4685 goto next_spqe;
4686
4687 case EVENT_RING_OPCODE_FUNCTION_STOP:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004688 DP(BNX2X_MSG_SP, "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004689 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4690 break;
4691
4692 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004693 }
4694
4695 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004696 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4697 BNX2X_STATE_OPEN):
4698 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004699 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004700 cid = elem->message.data.eth_event.echo &
4701 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004702 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004703 cid);
4704 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004705 break;
4706
4707 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4708 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004709 case (EVENT_RING_OPCODE_SET_MAC |
4710 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004711 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4712 BNX2X_STATE_OPEN):
4713 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4714 BNX2X_STATE_DIAG):
4715 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4716 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004717 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004718 bnx2x_handle_classification_eqe(bp, elem);
4719 break;
4720
4721 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4722 BNX2X_STATE_OPEN):
4723 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4724 BNX2X_STATE_DIAG):
4725 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4726 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004727 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004728 bnx2x_handle_mcast_eqe(bp);
4729 break;
4730
4731 case (EVENT_RING_OPCODE_FILTERS_RULES |
4732 BNX2X_STATE_OPEN):
4733 case (EVENT_RING_OPCODE_FILTERS_RULES |
4734 BNX2X_STATE_DIAG):
4735 case (EVENT_RING_OPCODE_FILTERS_RULES |
4736 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004737 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004738 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004739 break;
4740 default:
4741 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004742 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4743 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004744 }
4745next_spqe:
4746 spqe_cnt++;
4747 } /* for */
4748
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004749 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004750 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004751
4752 bp->eq_cons = sw_cons;
4753 bp->eq_prod = sw_prod;
4754 /* Make sure that above mem writes were issued towards the memory */
4755 smp_wmb();
4756
4757 /* update producer */
4758 bnx2x_update_eq_prod(bp, bp->eq_prod);
4759}
4760
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004761static void bnx2x_sp_task(struct work_struct *work)
4762{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004763 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004764 u16 status;
4765
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004766 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004767/* if (status == 0) */
4768/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004769
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004770 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004771
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004772 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004773 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004774 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004775 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004776 }
4777
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004778 /* SP events: STAT_QUERY and others */
4779 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004780#ifdef BCM_CNIC
4781 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004782
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004783 if ((!NO_FCOE(bp)) &&
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00004784 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
4785 /*
4786 * Prevent local bottom-halves from running as
4787 * we are going to change the local NAPI list.
4788 */
4789 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004790 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00004791 local_bh_enable();
4792 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004793#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004794 /* Handle EQ completions */
4795 bnx2x_eq_int(bp);
4796
4797 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
4798 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
4799
4800 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004801 }
4802
4803 if (unlikely(status))
4804 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
4805 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004806
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004807 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
4808 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004809}
4810
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004811irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004812{
4813 struct net_device *dev = dev_instance;
4814 struct bnx2x *bp = netdev_priv(dev);
4815
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004816 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
4817 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004818
4819#ifdef BNX2X_STOP_ON_ERROR
4820 if (unlikely(bp->panic))
4821 return IRQ_HANDLED;
4822#endif
4823
Michael Chan993ac7b2009-10-10 13:46:56 +00004824#ifdef BCM_CNIC
4825 {
4826 struct cnic_ops *c_ops;
4827
4828 rcu_read_lock();
4829 c_ops = rcu_dereference(bp->cnic_ops);
4830 if (c_ops)
4831 c_ops->cnic_handler(bp->cnic_data, NULL);
4832 rcu_read_unlock();
4833 }
4834#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004835 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004836
4837 return IRQ_HANDLED;
4838}
4839
4840/* end of slow path */
4841
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004842
4843void bnx2x_drv_pulse(struct bnx2x *bp)
4844{
4845 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
4846 bp->fw_drv_pulse_wr_seq);
4847}
4848
4849
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004850static void bnx2x_timer(unsigned long data)
4851{
4852 struct bnx2x *bp = (struct bnx2x *) data;
4853
4854 if (!netif_running(bp->dev))
4855 return;
4856
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004857 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004858 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004859 u32 drv_pulse;
4860 u32 mcp_pulse;
4861
4862 ++bp->fw_drv_pulse_wr_seq;
4863 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
4864 /* TBD - add SYSTEM_TIME */
4865 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004866 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004867
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004868 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004869 MCP_PULSE_SEQ_MASK);
4870 /* The delta between driver pulse and mcp response
4871 * should be 1 (before mcp response) or 0 (after mcp response)
4872 */
4873 if ((drv_pulse != mcp_pulse) &&
4874 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
4875 /* someone lost a heartbeat... */
4876 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
4877 drv_pulse, mcp_pulse);
4878 }
4879 }
4880
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07004881 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004882 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004883
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004884 mod_timer(&bp->timer, jiffies + bp->current_interval);
4885}
4886
4887/* end of Statistics */
4888
4889/* nic init */
4890
4891/*
4892 * nic init service functions
4893 */
4894
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004895static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004896{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004897 u32 i;
4898 if (!(len%4) && !(addr%4))
4899 for (i = 0; i < len; i += 4)
4900 REG_WR(bp, addr + i, fill);
4901 else
4902 for (i = 0; i < len; i++)
4903 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004904
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004905}
4906
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004907/* helper: writes FP SP data to FW - data_size in dwords */
4908static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
4909 int fw_sb_id,
4910 u32 *sb_data_p,
4911 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004912{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004913 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004914 for (index = 0; index < data_size; index++)
4915 REG_WR(bp, BAR_CSTRORM_INTMEM +
4916 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
4917 sizeof(u32)*index,
4918 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004919}
4920
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004921static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
4922{
4923 u32 *sb_data_p;
4924 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004925 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004926 struct hc_status_block_data_e1x sb_data_e1x;
4927
4928 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004929 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004930 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004931 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004932 sb_data_e2.common.p_func.vf_valid = false;
4933 sb_data_p = (u32 *)&sb_data_e2;
4934 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4935 } else {
4936 memset(&sb_data_e1x, 0,
4937 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004938 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004939 sb_data_e1x.common.p_func.vf_valid = false;
4940 sb_data_p = (u32 *)&sb_data_e1x;
4941 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4942 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004943 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4944
4945 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4946 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
4947 CSTORM_STATUS_BLOCK_SIZE);
4948 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4949 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
4950 CSTORM_SYNC_BLOCK_SIZE);
4951}
4952
4953/* helper: writes SP SB data to FW */
4954static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
4955 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004956{
4957 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004958 int i;
4959 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4960 REG_WR(bp, BAR_CSTRORM_INTMEM +
4961 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4962 i*sizeof(u32),
4963 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004964}
4965
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004966static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4967{
4968 int func = BP_FUNC(bp);
4969 struct hc_sp_status_block_data sp_sb_data;
4970 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4971
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004972 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004973 sp_sb_data.p_func.vf_valid = false;
4974
4975 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4976
4977 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4978 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4979 CSTORM_SP_STATUS_BLOCK_SIZE);
4980 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4981 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4982 CSTORM_SP_SYNC_BLOCK_SIZE);
4983
4984}
4985
4986
4987static inline
4988void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4989 int igu_sb_id, int igu_seg_id)
4990{
4991 hc_sm->igu_sb_id = igu_sb_id;
4992 hc_sm->igu_seg_id = igu_seg_id;
4993 hc_sm->timer_value = 0xFF;
4994 hc_sm->time_to_expire = 0xFFFFFFFF;
4995}
4996
David S. Miller8decf862011-09-22 03:23:13 -04004997
4998/* allocates state machine ids. */
4999static inline
5000void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
5001{
5002 /* zero out state machine indices */
5003 /* rx indices */
5004 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5005
5006 /* tx indices */
5007 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5008 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5009 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5010 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5011
5012 /* map indices */
5013 /* rx indices */
5014 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5015 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5016
5017 /* tx indices */
5018 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5019 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5020 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5021 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5022 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5023 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5024 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5025 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5026}
5027
stephen hemminger8d962862010-10-21 07:50:56 +00005028static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005029 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5030{
5031 int igu_seg_id;
5032
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005033 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005034 struct hc_status_block_data_e1x sb_data_e1x;
5035 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005036 int data_size;
5037 u32 *sb_data_p;
5038
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005039 if (CHIP_INT_MODE_IS_BC(bp))
5040 igu_seg_id = HC_SEG_ACCESS_NORM;
5041 else
5042 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005043
5044 bnx2x_zero_fp_sb(bp, fw_sb_id);
5045
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005046 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005047 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005048 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005049 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5050 sb_data_e2.common.p_func.vf_id = vfid;
5051 sb_data_e2.common.p_func.vf_valid = vf_valid;
5052 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5053 sb_data_e2.common.same_igu_sb_1b = true;
5054 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5055 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5056 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005057 sb_data_p = (u32 *)&sb_data_e2;
5058 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005059 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005060 } else {
5061 memset(&sb_data_e1x, 0,
5062 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005063 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005064 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5065 sb_data_e1x.common.p_func.vf_id = 0xff;
5066 sb_data_e1x.common.p_func.vf_valid = false;
5067 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5068 sb_data_e1x.common.same_igu_sb_1b = true;
5069 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5070 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5071 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005072 sb_data_p = (u32 *)&sb_data_e1x;
5073 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005074 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005075 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005076
5077 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5078 igu_sb_id, igu_seg_id);
5079 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5080 igu_sb_id, igu_seg_id);
5081
5082 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
5083
5084 /* write indecies to HW */
5085 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5086}
5087
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005088static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005089 u16 tx_usec, u16 rx_usec)
5090{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005091 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005092 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005093 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5094 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5095 tx_usec);
5096 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5097 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5098 tx_usec);
5099 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5100 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5101 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005102}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005103
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005104static void bnx2x_init_def_sb(struct bnx2x *bp)
5105{
5106 struct host_sp_status_block *def_sb = bp->def_status_blk;
5107 dma_addr_t mapping = bp->def_status_blk_mapping;
5108 int igu_sp_sb_index;
5109 int igu_seg_id;
5110 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005111 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005112 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005113 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005114 int index;
5115 struct hc_sp_status_block_data sp_sb_data;
5116 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5117
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005118 if (CHIP_INT_MODE_IS_BC(bp)) {
5119 igu_sp_sb_index = DEF_SB_IGU_ID;
5120 igu_seg_id = HC_SEG_ACCESS_DEF;
5121 } else {
5122 igu_sp_sb_index = bp->igu_dsb_id;
5123 igu_seg_id = IGU_SEG_ACCESS_DEF;
5124 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005125
5126 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005127 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005128 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005129 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005130
Eliezer Tamir49d66772008-02-28 11:53:13 -08005131 bp->attn_state = 0;
5132
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005133 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5134 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005135 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5136 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005137 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005138 int sindex;
5139 /* take care of sig[0]..sig[4] */
5140 for (sindex = 0; sindex < 4; sindex++)
5141 bp->attn_group[index].sig[sindex] =
5142 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005143
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005144 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005145 /*
5146 * enable5 is separate from the rest of the registers,
5147 * and therefore the address skip is 4
5148 * and not 16 between the different groups
5149 */
5150 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005151 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005152 else
5153 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005154 }
5155
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005156 if (bp->common.int_block == INT_BLOCK_HC) {
5157 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5158 HC_REG_ATTN_MSG0_ADDR_L);
5159
5160 REG_WR(bp, reg_offset, U64_LO(section));
5161 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005162 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005163 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5164 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5165 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005166
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005167 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5168 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005169
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005170 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005171
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005172 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005173 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5174 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5175 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5176 sp_sb_data.igu_seg_id = igu_seg_id;
5177 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005178 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005179 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005180
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005181 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005182
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005183 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005184}
5185
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005186void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005187{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005188 int i;
5189
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005190 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005191 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005192 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005193}
5194
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005195static void bnx2x_init_sp_ring(struct bnx2x *bp)
5196{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005197 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005198 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005199
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005200 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005201 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5202 bp->spq_prod_bd = bp->spq;
5203 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005204}
5205
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005206static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005207{
5208 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005209 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5210 union event_ring_elem *elem =
5211 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005212
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005213 elem->next_page.addr.hi =
5214 cpu_to_le32(U64_HI(bp->eq_mapping +
5215 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5216 elem->next_page.addr.lo =
5217 cpu_to_le32(U64_LO(bp->eq_mapping +
5218 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005219 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005220 bp->eq_cons = 0;
5221 bp->eq_prod = NUM_EQ_DESC;
5222 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005223 /* we want a warning message before it gets rought... */
5224 atomic_set(&bp->eq_spq_left,
5225 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005226}
5227
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005228
5229/* called with netif_addr_lock_bh() */
5230void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5231 unsigned long rx_mode_flags,
5232 unsigned long rx_accept_flags,
5233 unsigned long tx_accept_flags,
5234 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005235{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005236 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5237 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005238
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005239 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005240
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005241 /* Prepare ramrod parameters */
5242 ramrod_param.cid = 0;
5243 ramrod_param.cl_id = cl_id;
5244 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5245 ramrod_param.func_id = BP_FUNC(bp);
5246
5247 ramrod_param.pstate = &bp->sp_state;
5248 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5249
5250 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5251 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5252
5253 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5254
5255 ramrod_param.ramrod_flags = ramrod_flags;
5256 ramrod_param.rx_mode_flags = rx_mode_flags;
5257
5258 ramrod_param.rx_accept_flags = rx_accept_flags;
5259 ramrod_param.tx_accept_flags = tx_accept_flags;
5260
5261 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5262 if (rc < 0) {
5263 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5264 return;
5265 }
5266}
5267
5268/* called with netif_addr_lock_bh() */
5269void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5270{
5271 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5272 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5273
5274#ifdef BCM_CNIC
5275 if (!NO_FCOE(bp))
5276
5277 /* Configure rx_mode of FCoE Queue */
5278 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5279#endif
5280
5281 switch (bp->rx_mode) {
5282 case BNX2X_RX_MODE_NONE:
5283 /*
5284 * 'drop all' supersedes any accept flags that may have been
5285 * passed to the function.
5286 */
5287 break;
5288 case BNX2X_RX_MODE_NORMAL:
5289 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5290 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5291 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5292
5293 /* internal switching mode */
5294 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5295 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5296 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5297
5298 break;
5299 case BNX2X_RX_MODE_ALLMULTI:
5300 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5301 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5302 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5303
5304 /* internal switching mode */
5305 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5306 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5307 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5308
5309 break;
5310 case BNX2X_RX_MODE_PROMISC:
5311 /* According to deffinition of SI mode, iface in promisc mode
5312 * should receive matched and unmatched (in resolution of port)
5313 * unicast packets.
5314 */
5315 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5316 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5317 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5318 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5319
5320 /* internal switching mode */
5321 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5322 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5323
5324 if (IS_MF_SI(bp))
5325 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5326 else
5327 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5328
5329 break;
5330 default:
5331 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5332 return;
5333 }
5334
5335 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5336 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5337 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5338 }
5339
5340 __set_bit(RAMROD_RX, &ramrod_flags);
5341 __set_bit(RAMROD_TX, &ramrod_flags);
5342
5343 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5344 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005345}
5346
Eilon Greenstein471de712008-08-13 15:49:35 -07005347static void bnx2x_init_internal_common(struct bnx2x *bp)
5348{
5349 int i;
5350
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005351 if (IS_MF_SI(bp))
5352 /*
5353 * In switch independent mode, the TSTORM needs to accept
5354 * packets that failed classification, since approximate match
5355 * mac addresses aren't written to NIG LLH
5356 */
5357 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5358 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005359 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5360 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5361 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005362
Eilon Greenstein471de712008-08-13 15:49:35 -07005363 /* Zero this manually as its initialization is
5364 currently missing in the initTool */
5365 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5366 REG_WR(bp, BAR_USTRORM_INTMEM +
5367 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005368 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005369 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5370 CHIP_INT_MODE_IS_BC(bp) ?
5371 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5372 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005373}
5374
Eilon Greenstein471de712008-08-13 15:49:35 -07005375static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5376{
5377 switch (load_code) {
5378 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005379 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005380 bnx2x_init_internal_common(bp);
5381 /* no break */
5382
5383 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005384 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005385 /* no break */
5386
5387 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005388 /* internal memory per function is
5389 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005390 break;
5391
5392 default:
5393 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5394 break;
5395 }
5396}
5397
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005398static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5399{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005400 return fp->bp->igu_base_sb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005401}
5402
5403static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5404{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005405 return fp->bp->base_fw_ndsb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005406}
5407
5408static inline u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
5409{
5410 if (CHIP_IS_E1x(fp->bp))
5411 return BP_L_ID(fp->bp) + fp->index;
5412 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5413 return bnx2x_fp_igu_sb_id(fp);
5414}
5415
Ariel Elior6383c0b2011-07-14 08:31:57 +00005416static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005417{
5418 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005419 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005420 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005421 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005422 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005423 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005424 fp->cl_id = bnx2x_fp_cl_id(fp);
5425 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5426 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005427 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005428 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5429
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005430 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005431 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005432
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005433 /* Setup SB indicies */
5434 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005435
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005436 /* Configure Queue State object */
5437 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5438 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005439
5440 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5441
5442 /* init tx data */
5443 for_each_cos_in_tx_queue(fp, cos) {
5444 bnx2x_init_txdata(bp, &fp->txdata[cos],
5445 CID_COS_TO_TX_ONLY_CID(fp->cid, cos),
5446 FP_COS_TO_TXQ(fp, cos),
5447 BNX2X_TX_SB_INDEX_BASE + cos);
5448 cids[cos] = fp->txdata[cos].cid;
5449 }
5450
5451 bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, cids, fp->max_cos,
5452 BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
5453 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005454
5455 /**
5456 * Configure classification DBs: Always enable Tx switching
5457 */
5458 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5459
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005460 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
5461 "cl_id %d fw_sb %d igu_sb %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005462 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005463 fp->igu_sb_id);
5464 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5465 fp->fw_sb_id, fp->igu_sb_id);
5466
5467 bnx2x_update_fpsb_idx(fp);
5468}
5469
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005470void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005471{
5472 int i;
5473
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005474 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005475 bnx2x_init_eth_fp(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00005476#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005477 if (!NO_FCOE(bp))
5478 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005479
5480 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5481 BNX2X_VF_ID_INVALID, false,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005482 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005483
Michael Chan37b091b2009-10-10 13:46:55 +00005484#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005485
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005486 /* Initialize MOD_ABS interrupts */
5487 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5488 bp->common.shmem_base, bp->common.shmem2_base,
5489 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005490 /* ensure status block indices were read */
5491 rmb();
5492
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005493 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005494 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005495 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005496 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005497 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005498 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005499 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005500 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005501 bnx2x_stats_init(bp);
5502
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005503 /* flush all before enabling interrupts */
5504 mb();
5505 mmiowb();
5506
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005507 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005508
5509 /* Check for SPIO5 */
5510 bnx2x_attn_int_deasserted0(bp,
5511 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5512 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005513}
5514
5515/* end of nic init */
5516
5517/*
5518 * gzip service functions
5519 */
5520
5521static int bnx2x_gunzip_init(struct bnx2x *bp)
5522{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005523 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5524 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005525 if (bp->gunzip_buf == NULL)
5526 goto gunzip_nomem1;
5527
5528 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5529 if (bp->strm == NULL)
5530 goto gunzip_nomem2;
5531
David S. Miller7ab24bf2011-06-29 05:48:41 -07005532 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005533 if (bp->strm->workspace == NULL)
5534 goto gunzip_nomem3;
5535
5536 return 0;
5537
5538gunzip_nomem3:
5539 kfree(bp->strm);
5540 bp->strm = NULL;
5541
5542gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005543 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5544 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005545 bp->gunzip_buf = NULL;
5546
5547gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005548 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
5549 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005550 return -ENOMEM;
5551}
5552
5553static void bnx2x_gunzip_end(struct bnx2x *bp)
5554{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005555 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005556 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005557 kfree(bp->strm);
5558 bp->strm = NULL;
5559 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005560
5561 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005562 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5563 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005564 bp->gunzip_buf = NULL;
5565 }
5566}
5567
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005568static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005569{
5570 int n, rc;
5571
5572 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005573 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5574 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005575 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005576 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005577
5578 n = 10;
5579
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005580#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005581
5582 if (zbuf[3] & FNAME)
5583 while ((zbuf[n++] != 0) && (n < len));
5584
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005585 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005586 bp->strm->avail_in = len - n;
5587 bp->strm->next_out = bp->gunzip_buf;
5588 bp->strm->avail_out = FW_BUF_SIZE;
5589
5590 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5591 if (rc != Z_OK)
5592 return rc;
5593
5594 rc = zlib_inflate(bp->strm, Z_FINISH);
5595 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005596 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5597 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005598
5599 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5600 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005601 netdev_err(bp->dev, "Firmware decompression error:"
5602 " gunzip_outlen (%d) not aligned\n",
5603 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005604 bp->gunzip_outlen >>= 2;
5605
5606 zlib_inflateEnd(bp->strm);
5607
5608 if (rc == Z_STREAM_END)
5609 return 0;
5610
5611 return rc;
5612}
5613
5614/* nic load/unload */
5615
5616/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005617 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005618 */
5619
5620/* send a NIG loopback debug packet */
5621static void bnx2x_lb_pckt(struct bnx2x *bp)
5622{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005623 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005624
5625 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005626 wb_write[0] = 0x55555555;
5627 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005628 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005629 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005630
5631 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005632 wb_write[0] = 0x09000000;
5633 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005634 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005635 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005636}
5637
5638/* some of the internal memories
5639 * are not directly readable from the driver
5640 * to test them we send debug packets
5641 */
5642static int bnx2x_int_mem_test(struct bnx2x *bp)
5643{
5644 int factor;
5645 int count, i;
5646 u32 val = 0;
5647
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005648 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005649 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005650 else if (CHIP_REV_IS_EMUL(bp))
5651 factor = 200;
5652 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005653 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005654
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005655 /* Disable inputs of parser neighbor blocks */
5656 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5657 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5658 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005659 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005660
5661 /* Write 0 to parser credits for CFC search request */
5662 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5663
5664 /* send Ethernet packet */
5665 bnx2x_lb_pckt(bp);
5666
5667 /* TODO do i reset NIG statistic? */
5668 /* Wait until NIG register shows 1 packet of size 0x10 */
5669 count = 1000 * factor;
5670 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005671
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005672 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5673 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005674 if (val == 0x10)
5675 break;
5676
5677 msleep(10);
5678 count--;
5679 }
5680 if (val != 0x10) {
5681 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5682 return -1;
5683 }
5684
5685 /* Wait until PRS register shows 1 packet */
5686 count = 1000 * factor;
5687 while (count) {
5688 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005689 if (val == 1)
5690 break;
5691
5692 msleep(10);
5693 count--;
5694 }
5695 if (val != 0x1) {
5696 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5697 return -2;
5698 }
5699
5700 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005701 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005702 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005703 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005704 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005705 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5706 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005707
5708 DP(NETIF_MSG_HW, "part2\n");
5709
5710 /* Disable inputs of parser neighbor blocks */
5711 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5712 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5713 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005714 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005715
5716 /* Write 0 to parser credits for CFC search request */
5717 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5718
5719 /* send 10 Ethernet packets */
5720 for (i = 0; i < 10; i++)
5721 bnx2x_lb_pckt(bp);
5722
5723 /* Wait until NIG register shows 10 + 1
5724 packets of size 11*0x10 = 0xb0 */
5725 count = 1000 * factor;
5726 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005727
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005728 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5729 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005730 if (val == 0xb0)
5731 break;
5732
5733 msleep(10);
5734 count--;
5735 }
5736 if (val != 0xb0) {
5737 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5738 return -3;
5739 }
5740
5741 /* Wait until PRS register shows 2 packets */
5742 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5743 if (val != 2)
5744 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5745
5746 /* Write 1 to parser credits for CFC search request */
5747 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5748
5749 /* Wait until PRS register shows 3 packets */
5750 msleep(10 * factor);
5751 /* Wait until NIG register shows 1 packet of size 0x10 */
5752 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5753 if (val != 3)
5754 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5755
5756 /* clear NIG EOP FIFO */
5757 for (i = 0; i < 11; i++)
5758 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5759 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5760 if (val != 1) {
5761 BNX2X_ERR("clear of NIG failed\n");
5762 return -4;
5763 }
5764
5765 /* Reset and init BRB, PRS, NIG */
5766 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5767 msleep(50);
5768 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5769 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005770 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5771 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00005772#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005773 /* set NIC mode */
5774 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5775#endif
5776
5777 /* Enable inputs of parser neighbor blocks */
5778 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5779 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5780 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005781 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005782
5783 DP(NETIF_MSG_HW, "done\n");
5784
5785 return 0; /* OK */
5786}
5787
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005788static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005789{
5790 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005791 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005792 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
5793 else
5794 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005795 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5796 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005797 /*
5798 * mask read length error interrupts in brb for parser
5799 * (parsing unit and 'checksum and crc' unit)
5800 * these errors are legal (PU reads fixed length and CAC can cause
5801 * read length error on truncated packets)
5802 */
5803 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005804 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5805 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5806 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5807 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5808 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005809/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5810/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005811 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5812 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5813 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005814/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5815/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005816 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5817 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5818 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5819 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005820/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5821/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005822
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005823 if (CHIP_REV_IS_FPGA(bp))
5824 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005825 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005826 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
5827 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
5828 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
5829 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
5830 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
5831 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005832 else
5833 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005834 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5835 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5836 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005837/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005838
5839 if (!CHIP_IS_E1x(bp))
5840 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
5841 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
5842
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005843 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5844 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005845/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005846 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005847}
5848
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005849static void bnx2x_reset_common(struct bnx2x *bp)
5850{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005851 u32 val = 0x1400;
5852
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005853 /* reset_common */
5854 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5855 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005856
5857 if (CHIP_IS_E3(bp)) {
5858 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
5859 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
5860 }
5861
5862 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
5863}
5864
5865static void bnx2x_setup_dmae(struct bnx2x *bp)
5866{
5867 bp->dmae_ready = 0;
5868 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005869}
5870
Eilon Greenstein573f2032009-08-12 08:24:14 +00005871static void bnx2x_init_pxp(struct bnx2x *bp)
5872{
5873 u16 devctl;
5874 int r_order, w_order;
5875
5876 pci_read_config_word(bp->pdev,
Vladislav Zolotarovb6c2f862011-07-24 03:58:38 +00005877 pci_pcie_cap(bp->pdev) + PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00005878 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
5879 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
5880 if (bp->mrrs == -1)
5881 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
5882 else {
5883 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
5884 r_order = bp->mrrs;
5885 }
5886
5887 bnx2x_init_pxp_arb(bp, r_order, w_order);
5888}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005889
5890static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
5891{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005892 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005893 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005894 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005895
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005896 if (BP_NOMCP(bp))
5897 return;
5898
5899 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005900 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
5901 SHARED_HW_CFG_FAN_FAILURE_MASK;
5902
5903 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
5904 is_required = 1;
5905
5906 /*
5907 * The fan failure mechanism is usually related to the PHY type since
5908 * the power consumption of the board is affected by the PHY. Currently,
5909 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
5910 */
5911 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
5912 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005913 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005914 bnx2x_fan_failure_det_req(
5915 bp,
5916 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005917 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005918 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005919 }
5920
5921 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
5922
5923 if (is_required == 0)
5924 return;
5925
5926 /* Fan failure is indicated by SPIO 5 */
5927 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5928 MISC_REGISTERS_SPIO_INPUT_HI_Z);
5929
5930 /* set to active low mode */
5931 val = REG_RD(bp, MISC_REG_SPIO_INT);
5932 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005933 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005934 REG_WR(bp, MISC_REG_SPIO_INT, val);
5935
5936 /* enable interrupt to signal the IGU */
5937 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5938 val |= (1 << MISC_REGISTERS_SPIO_5);
5939 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5940}
5941
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005942static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
5943{
5944 u32 offset = 0;
5945
5946 if (CHIP_IS_E1(bp))
5947 return;
5948 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
5949 return;
5950
5951 switch (BP_ABS_FUNC(bp)) {
5952 case 0:
5953 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
5954 break;
5955 case 1:
5956 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
5957 break;
5958 case 2:
5959 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
5960 break;
5961 case 3:
5962 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
5963 break;
5964 case 4:
5965 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
5966 break;
5967 case 5:
5968 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
5969 break;
5970 case 6:
5971 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
5972 break;
5973 case 7:
5974 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
5975 break;
5976 default:
5977 return;
5978 }
5979
5980 REG_WR(bp, offset, pretend_func_num);
5981 REG_RD(bp, offset);
5982 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
5983}
5984
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00005985void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005986{
5987 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
5988 val &= ~IGU_PF_CONF_FUNC_EN;
5989
5990 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
5991 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
5992 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
5993}
5994
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005995static inline void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005996{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005997 u32 shmem_base[2], shmem2_base[2];
5998 shmem_base[0] = bp->common.shmem_base;
5999 shmem2_base[0] = bp->common.shmem2_base;
6000 if (!CHIP_IS_E1x(bp)) {
6001 shmem_base[1] =
6002 SHMEM2_RD(bp, other_shmem_base_addr);
6003 shmem2_base[1] =
6004 SHMEM2_RD(bp, other_shmem2_base_addr);
6005 }
6006 bnx2x_acquire_phy_lock(bp);
6007 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6008 bp->common.chip_id);
6009 bnx2x_release_phy_lock(bp);
6010}
6011
6012/**
6013 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6014 *
6015 * @bp: driver handle
6016 */
6017static int bnx2x_init_hw_common(struct bnx2x *bp)
6018{
6019 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006020
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006021 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006022
David S. Miller823dcd22011-08-20 10:39:12 -07006023 /*
6024 * take the UNDI lock to protect undi_unload flow from accessing
6025 * registers while we're resetting the chip
6026 */
David S. Miller8decf862011-09-22 03:23:13 -04006027 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006028
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006029 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006030 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006031
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006032 val = 0xfffc;
6033 if (CHIP_IS_E3(bp)) {
6034 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6035 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6036 }
6037 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006038
David S. Miller8decf862011-09-22 03:23:13 -04006039 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006040
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006041 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6042
6043 if (!CHIP_IS_E1x(bp)) {
6044 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006045
6046 /**
6047 * 4-port mode or 2-port mode we need to turn of master-enable
6048 * for everyone, after that, turn it back on for self.
6049 * so, we disregard multi-function or not, and always disable
6050 * for all functions on the given path, this means 0,2,4,6 for
6051 * path 0 and 1,3,5,7 for path 1
6052 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006053 for (abs_func_id = BP_PATH(bp);
6054 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6055 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006056 REG_WR(bp,
6057 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6058 1);
6059 continue;
6060 }
6061
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006062 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006063 /* clear pf enable */
6064 bnx2x_pf_disable(bp);
6065 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6066 }
6067 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006068
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006069 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006070 if (CHIP_IS_E1(bp)) {
6071 /* enable HW interrupt from PXP on USDM overflow
6072 bit 16 on INT_MASK_0 */
6073 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006074 }
6075
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006076 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006077 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006078
6079#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006080 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6081 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6082 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6083 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6084 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006085 /* make sure this value is 0 */
6086 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006087
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006088/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6089 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6090 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6091 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6092 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006093#endif
6094
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006095 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6096
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006097 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6098 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006099
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006100 /* let the HW do it's magic ... */
6101 msleep(100);
6102 /* finish PXP init */
6103 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6104 if (val != 1) {
6105 BNX2X_ERR("PXP2 CFG failed\n");
6106 return -EBUSY;
6107 }
6108 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6109 if (val != 1) {
6110 BNX2X_ERR("PXP2 RD_INIT failed\n");
6111 return -EBUSY;
6112 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006113
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006114 /* Timers bug workaround E2 only. We need to set the entire ILT to
6115 * have entries with value "0" and valid bit on.
6116 * This needs to be done by the first PF that is loaded in a path
6117 * (i.e. common phase)
6118 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006119 if (!CHIP_IS_E1x(bp)) {
6120/* In E2 there is a bug in the timers block that can cause function 6 / 7
6121 * (i.e. vnic3) to start even if it is marked as "scan-off".
6122 * This occurs when a different function (func2,3) is being marked
6123 * as "scan-off". Real-life scenario for example: if a driver is being
6124 * load-unloaded while func6,7 are down. This will cause the timer to access
6125 * the ilt, translate to a logical address and send a request to read/write.
6126 * Since the ilt for the function that is down is not valid, this will cause
6127 * a translation error which is unrecoverable.
6128 * The Workaround is intended to make sure that when this happens nothing fatal
6129 * will occur. The workaround:
6130 * 1. First PF driver which loads on a path will:
6131 * a. After taking the chip out of reset, by using pretend,
6132 * it will write "0" to the following registers of
6133 * the other vnics.
6134 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6135 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6136 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6137 * And for itself it will write '1' to
6138 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6139 * dmae-operations (writing to pram for example.)
6140 * note: can be done for only function 6,7 but cleaner this
6141 * way.
6142 * b. Write zero+valid to the entire ILT.
6143 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6144 * VNIC3 (of that port). The range allocated will be the
6145 * entire ILT. This is needed to prevent ILT range error.
6146 * 2. Any PF driver load flow:
6147 * a. ILT update with the physical addresses of the allocated
6148 * logical pages.
6149 * b. Wait 20msec. - note that this timeout is needed to make
6150 * sure there are no requests in one of the PXP internal
6151 * queues with "old" ILT addresses.
6152 * c. PF enable in the PGLC.
6153 * d. Clear the was_error of the PF in the PGLC. (could have
6154 * occured while driver was down)
6155 * e. PF enable in the CFC (WEAK + STRONG)
6156 * f. Timers scan enable
6157 * 3. PF driver unload flow:
6158 * a. Clear the Timers scan_en.
6159 * b. Polling for scan_on=0 for that PF.
6160 * c. Clear the PF enable bit in the PXP.
6161 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6162 * e. Write zero+valid to all ILT entries (The valid bit must
6163 * stay set)
6164 * f. If this is VNIC 3 of a port then also init
6165 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6166 * to the last enrty in the ILT.
6167 *
6168 * Notes:
6169 * Currently the PF error in the PGLC is non recoverable.
6170 * In the future the there will be a recovery routine for this error.
6171 * Currently attention is masked.
6172 * Having an MCP lock on the load/unload process does not guarantee that
6173 * there is no Timer disable during Func6/7 enable. This is because the
6174 * Timers scan is currently being cleared by the MCP on FLR.
6175 * Step 2.d can be done only for PF6/7 and the driver can also check if
6176 * there is error before clearing it. But the flow above is simpler and
6177 * more general.
6178 * All ILT entries are written by zero+valid and not just PF6/7
6179 * ILT entries since in the future the ILT entries allocation for
6180 * PF-s might be dynamic.
6181 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006182 struct ilt_client_info ilt_cli;
6183 struct bnx2x_ilt ilt;
6184 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6185 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6186
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006187 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006188 ilt_cli.start = 0;
6189 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6190 ilt_cli.client_num = ILT_CLIENT_TM;
6191
6192 /* Step 1: set zeroes to all ilt page entries with valid bit on
6193 * Step 2: set the timers first/last ilt entry to point
6194 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006195 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006196 *
6197 * both steps performed by call to bnx2x_ilt_client_init_op()
6198 * with dummy TM client
6199 *
6200 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6201 * and his brother are split registers
6202 */
6203 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6204 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6205 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6206
6207 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6208 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6209 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6210 }
6211
6212
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006213 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6214 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006215
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006216 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006217 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6218 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006219 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006220
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006221 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006222
6223 /* let the HW do it's magic ... */
6224 do {
6225 msleep(200);
6226 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6227 } while (factor-- && (val != 1));
6228
6229 if (val != 1) {
6230 BNX2X_ERR("ATC_INIT failed\n");
6231 return -EBUSY;
6232 }
6233 }
6234
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006235 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006236
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006237 /* clean the DMAE memory */
6238 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006239 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006240
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006241 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6242
6243 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6244
6245 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6246
6247 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006248
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006249 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6250 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6251 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6252 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6253
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006254 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006255
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006256
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006257 /* QM queues pointers table */
6258 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006259
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006260 /* soft reset pulse */
6261 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6262 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006263
Michael Chan37b091b2009-10-10 13:46:55 +00006264#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006265 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006266#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006267
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006268 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006269 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006270 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006271 /* enable hw interrupt from doorbell Q */
6272 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006273
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006274 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006275
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006276 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006277 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006278
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006279 if (!CHIP_IS_E1(bp))
6280 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6281
6282 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp))
6283 /* Bit-map indicating which L2 hdrs may appear
6284 * after the basic Ethernet header
6285 */
6286 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6287 bp->path_has_ovlan ? 7 : 6);
6288
6289 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6290 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6291 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6292 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6293
6294 if (!CHIP_IS_E1x(bp)) {
6295 /* reset VFC memories */
6296 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6297 VFC_MEMORIES_RST_REG_CAM_RST |
6298 VFC_MEMORIES_RST_REG_RAM_RST);
6299 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6300 VFC_MEMORIES_RST_REG_CAM_RST |
6301 VFC_MEMORIES_RST_REG_RAM_RST);
6302
6303 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006304 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006305
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006306 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6307 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6308 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6309 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006310
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006311 /* sync semi rtc */
6312 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6313 0x80000000);
6314 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6315 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006316
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006317 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6318 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6319 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006320
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006321 if (!CHIP_IS_E1x(bp))
6322 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6323 bp->path_has_ovlan ? 7 : 6);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006324
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006325 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006326
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006327 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6328
Michael Chan37b091b2009-10-10 13:46:55 +00006329#ifdef BCM_CNIC
6330 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6331 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6332 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6333 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6334 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6335 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6336 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6337 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6338 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6339 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6340#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006341 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006342
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006343 if (sizeof(union cdu_context) != 1024)
6344 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006345 dev_alert(&bp->pdev->dev, "please adjust the size "
6346 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00006347 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006348
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006349 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006350 val = (4 << 24) + (0 << 12) + 1024;
6351 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006352
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006353 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006354 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006355 /* enable context validation interrupt from CFC */
6356 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6357
6358 /* set the thresholds to prevent CFC/CDU race */
6359 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006360
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006361 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006362
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006363 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006364 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6365
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006366 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6367 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006368
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006369 /* Reset PCIE errors for debug */
6370 REG_WR(bp, 0x2814, 0xffffffff);
6371 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006372
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006373 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006374 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6375 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6376 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6377 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6378 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6379 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6380 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6381 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6382 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6383 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6384 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6385 }
6386
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006387 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006388 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006389 /* in E3 this done in per-port section */
6390 if (!CHIP_IS_E3(bp))
6391 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6392 }
6393 if (CHIP_IS_E1H(bp))
6394 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006395 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006396
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006397 if (CHIP_REV_IS_SLOW(bp))
6398 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006399
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006400 /* finish CFC init */
6401 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6402 if (val != 1) {
6403 BNX2X_ERR("CFC LL_INIT failed\n");
6404 return -EBUSY;
6405 }
6406 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6407 if (val != 1) {
6408 BNX2X_ERR("CFC AC_INIT failed\n");
6409 return -EBUSY;
6410 }
6411 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6412 if (val != 1) {
6413 BNX2X_ERR("CFC CAM_INIT failed\n");
6414 return -EBUSY;
6415 }
6416 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006417
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006418 if (CHIP_IS_E1(bp)) {
6419 /* read NIG statistic
6420 to see if this is our first up since powerup */
6421 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6422 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006424 /* do internal memory self test */
6425 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6426 BNX2X_ERR("internal mem self test failed\n");
6427 return -EBUSY;
6428 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006429 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006430
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006431 bnx2x_setup_fan_failure_detection(bp);
6432
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006433 /* clear PXP2 attentions */
6434 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006435
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006436 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006437 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006438
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006439 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006440 if (CHIP_IS_E1x(bp))
6441 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006442 } else
6443 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6444
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006445 return 0;
6446}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006447
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006448/**
6449 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6450 *
6451 * @bp: driver handle
6452 */
6453static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6454{
6455 int rc = bnx2x_init_hw_common(bp);
6456
6457 if (rc)
6458 return rc;
6459
6460 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6461 if (!BP_NOMCP(bp))
6462 bnx2x__common_init_phy(bp);
6463
6464 return 0;
6465}
6466
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006467static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006468{
6469 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006470 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006471 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006472 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006473
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006474 bnx2x__link_reset(bp);
6475
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006476 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006477
6478 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006479
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006480 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6481 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6482 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006483
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006484 /* Timers bug workaround: disables the pf_master bit in pglue at
6485 * common phase, we need to enable it here before any dmae access are
6486 * attempted. Therefore we manually added the enable-master to the
6487 * port phase (it also happens in the function phase)
6488 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006489 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006490 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6491
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006492 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6493 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6494 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6495 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6496
6497 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6498 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6499 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6500 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006501
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006502 /* QM cid (connection) count */
6503 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006504
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006505#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006506 bnx2x_init_block(bp, BLOCK_TM, init_phase);
Michael Chan37b091b2009-10-10 13:46:55 +00006507 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6508 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006509#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006510
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006511 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006512
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006513 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006514 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6515
6516 if (IS_MF(bp))
6517 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6518 else if (bp->dev->mtu > 4096) {
6519 if (bp->flags & ONE_PORT_FLAG)
6520 low = 160;
6521 else {
6522 val = bp->dev->mtu;
6523 /* (24*1024 + val*4)/256 */
6524 low = 96 + (val/64) +
6525 ((val % 64) ? 1 : 0);
6526 }
6527 } else
6528 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6529 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006530 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6531 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6532 }
6533
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006534 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006535 REG_WR(bp, (BP_PORT(bp) ?
6536 BRB1_REG_MAC_GUARANTIED_1 :
6537 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006538
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006539
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006540 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
6541 if (CHIP_IS_E3B0(bp))
6542 /* Ovlan exists only if we are in multi-function +
6543 * switch-dependent mode, in switch-independent there
6544 * is no ovlan headers
6545 */
6546 REG_WR(bp, BP_PORT(bp) ?
6547 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6548 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6549 (bp->path_has_ovlan ? 7 : 6));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006550
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006551 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6552 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6553 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6554 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6555
6556 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6557 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6558 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6559 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6560
6561 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6562 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6563
6564 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6565
6566 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006567 /* configure PBF to work without PAUSE mtu 9000 */
6568 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006569
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006570 /* update threshold */
6571 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6572 /* update init credit */
6573 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006574
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006575 /* probe changes */
6576 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6577 udelay(50);
6578 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6579 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006580
Michael Chan37b091b2009-10-10 13:46:55 +00006581#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006582 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006583#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006584 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6585 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006586
6587 if (CHIP_IS_E1(bp)) {
6588 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6589 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6590 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006591 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006592
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006593 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006594
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006595 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006596 /* init aeu_mask_attn_func_0/1:
6597 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6598 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6599 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006600 val = IS_MF(bp) ? 0xF7 : 0x7;
6601 /* Enable DCBX attention for all but E1 */
6602 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6603 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006604
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006605 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006606
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006607 if (!CHIP_IS_E1x(bp)) {
6608 /* Bit-map indicating which L2 hdrs may appear after the
6609 * basic Ethernet header
6610 */
6611 REG_WR(bp, BP_PORT(bp) ?
6612 NIG_REG_P1_HDRS_AFTER_BASIC :
6613 NIG_REG_P0_HDRS_AFTER_BASIC,
6614 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006615
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006616 if (CHIP_IS_E3(bp))
6617 REG_WR(bp, BP_PORT(bp) ?
6618 NIG_REG_LLH1_MF_MODE :
6619 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6620 }
6621 if (!CHIP_IS_E3(bp))
6622 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006623
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006624 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006625 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006626 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006627 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006628
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006629 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006630 val = 0;
6631 switch (bp->mf_mode) {
6632 case MULTI_FUNCTION_SD:
6633 val = 1;
6634 break;
6635 case MULTI_FUNCTION_SI:
6636 val = 2;
6637 break;
6638 }
6639
6640 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6641 NIG_REG_LLH0_CLS_TYPE), val);
6642 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006643 {
6644 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6645 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6646 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6647 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006648 }
6649
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006650
6651 /* If SPIO5 is set to generate interrupts, enable it for this port */
6652 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6653 if (val & (1 << MISC_REGISTERS_SPIO_5)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006654 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6655 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6656 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006657 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006658 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006659 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006660
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006661 return 0;
6662}
6663
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006664static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6665{
6666 int reg;
6667
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006668 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006669 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006670 else
6671 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006672
6673 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
6674}
6675
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006676static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
6677{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006678 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006679}
6680
6681static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
6682{
6683 u32 i, base = FUNC_ILT_BASE(func);
6684 for (i = base; i < base + ILT_PER_FUNC; i++)
6685 bnx2x_ilt_wr(bp, i, 0);
6686}
6687
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006688static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006689{
6690 int port = BP_PORT(bp);
6691 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006692 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006693 struct bnx2x_ilt *ilt = BP_ILT(bp);
6694 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00006695 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00006696 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00006697 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006698
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006699 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006700
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006701 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00006702 if (!CHIP_IS_E1x(bp)) {
6703 rc = bnx2x_pf_flr_clnup(bp);
6704 if (rc)
6705 return rc;
6706 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006707
Eilon Greenstein8badd272009-02-12 08:36:15 +00006708 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006709 if (bp->common.int_block == INT_BLOCK_HC) {
6710 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
6711 val = REG_RD(bp, addr);
6712 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
6713 REG_WR(bp, addr, val);
6714 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00006715
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006716 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6717 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
6718
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006719 ilt = BP_ILT(bp);
6720 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006721
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006722 for (i = 0; i < L2_ILT_LINES(bp); i++) {
6723 ilt->lines[cdu_ilt_start + i].page =
6724 bp->context.vcxt + (ILT_PAGE_CIDS * i);
6725 ilt->lines[cdu_ilt_start + i].page_mapping =
6726 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
6727 /* cdu ilt pages are allocated manually so there's no need to
6728 set the size */
6729 }
6730 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006731
Michael Chan37b091b2009-10-10 13:46:55 +00006732#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006733 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00006734
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006735 /* T1 hash bits value determines the T1 number of entries */
6736 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00006737#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006738
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006739#ifndef BCM_CNIC
6740 /* set NIC mode */
6741 REG_WR(bp, PRS_REG_NIC_MODE, 1);
6742#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006743
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006744 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006745 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
6746
6747 /* Turn on a single ISR mode in IGU if driver is going to use
6748 * INT#x or MSI
6749 */
6750 if (!(bp->flags & USING_MSIX_FLAG))
6751 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
6752 /*
6753 * Timers workaround bug: function init part.
6754 * Need to wait 20msec after initializing ILT,
6755 * needed to make sure there are no requests in
6756 * one of the PXP internal queues with "old" ILT addresses
6757 */
6758 msleep(20);
6759 /*
6760 * Master enable - Due to WB DMAE writes performed before this
6761 * register is re-initialized as part of the regular function
6762 * init
6763 */
6764 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6765 /* Enable the function in IGU */
6766 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
6767 }
6768
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006769 bp->dmae_ready = 1;
6770
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006771 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006772
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006773 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006774 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
6775
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006776 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6777 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6778 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
6779 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
6780 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6781 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6782 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6783 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6784 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
6785 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6786 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6787 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6788 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006789
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006790 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006791 REG_WR(bp, QM_REG_PF_EN, 1);
6792
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006793 if (!CHIP_IS_E1x(bp)) {
6794 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6795 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6796 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6797 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6798 }
6799 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006800
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006801 bnx2x_init_block(bp, BLOCK_TM, init_phase);
6802 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
6803 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6804 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
6805 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6806 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6807 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6808 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6809 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6810 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6811 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6812 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006813 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
6814
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006815 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006816
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006817 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006818
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006819 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006820 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
6821
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006822 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006823 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006824 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006825 }
6826
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006827 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006828
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006829 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006830 if (bp->common.int_block == INT_BLOCK_HC) {
6831 if (CHIP_IS_E1H(bp)) {
6832 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
6833
6834 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6835 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6836 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006837 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006838
6839 } else {
6840 int num_segs, sb_idx, prod_offset;
6841
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006842 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
6843
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006844 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006845 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6846 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6847 }
6848
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006849 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006850
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006851 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006852 int dsb_idx = 0;
6853 /**
6854 * Producer memory:
6855 * E2 mode: address 0-135 match to the mapping memory;
6856 * 136 - PF0 default prod; 137 - PF1 default prod;
6857 * 138 - PF2 default prod; 139 - PF3 default prod;
6858 * 140 - PF0 attn prod; 141 - PF1 attn prod;
6859 * 142 - PF2 attn prod; 143 - PF3 attn prod;
6860 * 144-147 reserved.
6861 *
6862 * E1.5 mode - In backward compatible mode;
6863 * for non default SB; each even line in the memory
6864 * holds the U producer and each odd line hold
6865 * the C producer. The first 128 producers are for
6866 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
6867 * producers are for the DSB for each PF.
6868 * Each PF has five segments: (the order inside each
6869 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
6870 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
6871 * 144-147 attn prods;
6872 */
6873 /* non-default-status-blocks */
6874 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
6875 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
6876 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
6877 prod_offset = (bp->igu_base_sb + sb_idx) *
6878 num_segs;
6879
6880 for (i = 0; i < num_segs; i++) {
6881 addr = IGU_REG_PROD_CONS_MEMORY +
6882 (prod_offset + i) * 4;
6883 REG_WR(bp, addr, 0);
6884 }
6885 /* send consumer update with value 0 */
6886 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
6887 USTORM_ID, 0, IGU_INT_NOP, 1);
6888 bnx2x_igu_clear_sb(bp,
6889 bp->igu_base_sb + sb_idx);
6890 }
6891
6892 /* default-status-blocks */
6893 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
6894 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
6895
6896 if (CHIP_MODE_IS_4_PORT(bp))
6897 dsb_idx = BP_FUNC(bp);
6898 else
David S. Miller8decf862011-09-22 03:23:13 -04006899 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006900
6901 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
6902 IGU_BC_BASE_DSB_PROD + dsb_idx :
6903 IGU_NORM_BASE_DSB_PROD + dsb_idx);
6904
David S. Miller8decf862011-09-22 03:23:13 -04006905 /*
6906 * igu prods come in chunks of E1HVN_MAX (4) -
6907 * does not matters what is the current chip mode
6908 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006909 for (i = 0; i < (num_segs * E1HVN_MAX);
6910 i += E1HVN_MAX) {
6911 addr = IGU_REG_PROD_CONS_MEMORY +
6912 (prod_offset + i)*4;
6913 REG_WR(bp, addr, 0);
6914 }
6915 /* send consumer update with 0 */
6916 if (CHIP_INT_MODE_IS_BC(bp)) {
6917 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6918 USTORM_ID, 0, IGU_INT_NOP, 1);
6919 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6920 CSTORM_ID, 0, IGU_INT_NOP, 1);
6921 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6922 XSTORM_ID, 0, IGU_INT_NOP, 1);
6923 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6924 TSTORM_ID, 0, IGU_INT_NOP, 1);
6925 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6926 ATTENTION_ID, 0, IGU_INT_NOP, 1);
6927 } else {
6928 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6929 USTORM_ID, 0, IGU_INT_NOP, 1);
6930 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6931 ATTENTION_ID, 0, IGU_INT_NOP, 1);
6932 }
6933 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
6934
6935 /* !!! these should become driver const once
6936 rf-tool supports split-68 const */
6937 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
6938 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
6939 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
6940 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
6941 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
6942 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
6943 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006944 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006945
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006946 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006947 REG_WR(bp, 0x2114, 0xffffffff);
6948 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006949
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00006950 if (CHIP_IS_E1x(bp)) {
6951 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
6952 main_mem_base = HC_REG_MAIN_MEMORY +
6953 BP_PORT(bp) * (main_mem_size * 4);
6954 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
6955 main_mem_width = 8;
6956
6957 val = REG_RD(bp, main_mem_prty_clr);
6958 if (val)
6959 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
6960 "block during "
6961 "function init (0x%x)!\n", val);
6962
6963 /* Clear "false" parity errors in MSI-X table */
6964 for (i = main_mem_base;
6965 i < main_mem_base + main_mem_size * 4;
6966 i += main_mem_width) {
6967 bnx2x_read_dmae(bp, i, main_mem_width / 4);
6968 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
6969 i, main_mem_width / 4);
6970 }
6971 /* Clear HC parity attention */
6972 REG_RD(bp, main_mem_prty_clr);
6973 }
6974
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006975#ifdef BNX2X_STOP_ON_ERROR
6976 /* Enable STORMs SP logging */
6977 REG_WR8(bp, BAR_USTRORM_INTMEM +
6978 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6979 REG_WR8(bp, BAR_TSTRORM_INTMEM +
6980 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6981 REG_WR8(bp, BAR_CSTRORM_INTMEM +
6982 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6983 REG_WR8(bp, BAR_XSTRORM_INTMEM +
6984 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6985#endif
6986
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006987 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006988
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006989 return 0;
6990}
6991
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006992
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006993void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006994{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006995 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006996 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006997 /* end of fastpath */
6998
6999 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007000 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007001
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007002 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7003 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7004
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007005 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007006 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007007
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007008 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
7009 bp->context.size);
7010
7011 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7012
7013 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007014
Michael Chan37b091b2009-10-10 13:46:55 +00007015#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007016 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007017 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7018 sizeof(struct host_hc_status_block_e2));
7019 else
7020 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7021 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007022
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007023 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007024#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007025
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007026 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007027
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007028 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7029 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007030}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007031
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007032static inline int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
7033{
7034 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007035 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007036
Barak Witkowski50f0a562011-12-05 21:52:23 +00007037 /* number of queues for statistics is number of eth queues + FCoE */
7038 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007039
7040 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007041 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7042 * num of queues
7043 */
7044 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007045
7046
7047 /* Request is built from stats_query_header and an array of
7048 * stats_query_cmd_group each of which contains
7049 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7050 * configured in the stats_query_header.
7051 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007052 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7053 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007054
7055 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7056 num_groups * sizeof(struct stats_query_cmd_group);
7057
7058 /* Data for statistics requests + stats_conter
7059 *
7060 * stats_counter holds per-STORM counters that are incremented
7061 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007062 *
7063 * memory for FCoE offloaded statistics are counted anyway,
7064 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007065 */
7066 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7067 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007068 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007069 sizeof(struct per_queue_stats) * num_queue_stats +
7070 sizeof(struct stats_counter);
7071
7072 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7073 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7074
7075 /* Set shortcuts */
7076 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7077 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7078
7079 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7080 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7081
7082 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7083 bp->fw_stats_req_sz;
7084 return 0;
7085
7086alloc_mem_err:
7087 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7088 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7089 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007090}
7091
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007092
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007093int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007094{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007095#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007096 if (!CHIP_IS_E1x(bp))
7097 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007098 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7099 sizeof(struct host_hc_status_block_e2));
7100 else
7101 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
7102 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007103
7104 /* allocate searcher T2 table */
7105 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
7106#endif
7107
7108
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007109 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007110 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007111
7112 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7113 sizeof(struct bnx2x_slowpath));
7114
Mintz Yuval82fa8482012-02-15 02:10:29 +00007115#ifdef BCM_CNIC
7116 /* write address to which L5 should insert its values */
7117 bp->cnic_eth_dev.addr_drv_info_to_mcp = &bp->slowpath->drv_info_to_mcp;
7118#endif
7119
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007120 /* Allocated memory for FW statistics */
7121 if (bnx2x_alloc_fw_stats_mem(bp))
7122 goto alloc_mem_err;
7123
Ariel Elior6383c0b2011-07-14 08:31:57 +00007124 bp->context.size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007125
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007126 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
7127 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007128
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007129 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007130
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007131 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7132 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007133
7134 /* Slow path ring */
7135 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7136
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007137 /* EQ */
7138 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7139 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007140
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007141
7142 /* fastpath */
7143 /* need to be done at the end, since it's self adjusting to amount
7144 * of memory available for RSS queues
7145 */
7146 if (bnx2x_alloc_fp_mem(bp))
7147 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007148 return 0;
7149
7150alloc_mem_err:
7151 bnx2x_free_mem(bp);
7152 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007153}
7154
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007155/*
7156 * Init service functions
7157 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007158
7159int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7160 struct bnx2x_vlan_mac_obj *obj, bool set,
7161 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007162{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007163 int rc;
7164 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007165
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007166 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007167
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007168 /* Fill general parameters */
7169 ramrod_param.vlan_mac_obj = obj;
7170 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007171
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007172 /* Fill a user request section if needed */
7173 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7174 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007175
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007176 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007177
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007178 /* Set the command: ADD or DEL */
7179 if (set)
7180 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7181 else
7182 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007183 }
7184
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007185 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
7186 if (rc < 0)
7187 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
7188 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007189}
7190
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007191int bnx2x_del_all_macs(struct bnx2x *bp,
7192 struct bnx2x_vlan_mac_obj *mac_obj,
7193 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007194{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007195 int rc;
7196 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7197
7198 /* Wait for completion of requested */
7199 if (wait_for_comp)
7200 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7201
7202 /* Set the mac type of addresses we want to clear */
7203 __set_bit(mac_type, &vlan_mac_flags);
7204
7205 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7206 if (rc < 0)
7207 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7208
7209 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007210}
7211
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007212int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007213{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007214 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007215
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007216#ifdef BCM_CNIC
7217 if (is_zero_ether_addr(bp->dev->dev_addr) && IS_MF_ISCSI_SD(bp)) {
7218 DP(NETIF_MSG_IFUP, "Ignoring Zero MAC for iSCSI SD mode\n");
7219 return 0;
7220 }
7221#endif
7222
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007223 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007224
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007225 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7226 /* Eth MAC is set on RSS leading client (fp[0]) */
7227 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->fp->mac_obj, set,
7228 BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007229}
7230
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007231int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007232{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007233 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007234}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007235
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007236/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007237 * bnx2x_set_int_mode - configure interrupt mode
7238 *
7239 * @bp: driver handle
7240 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007241 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007242 */
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007243static void __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007244{
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007245 switch (int_mode) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007246 case INT_MODE_MSI:
7247 bnx2x_enable_msi(bp);
7248 /* falling through... */
7249 case INT_MODE_INTx:
Ariel Elior6383c0b2011-07-14 08:31:57 +00007250 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007251 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007252 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007253 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007254 /* Set number of queues according to bp->multi_mode value */
7255 bnx2x_set_num_queues(bp);
7256
7257 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
7258 bp->num_queues);
7259
7260 /* if we can't use MSI-X we only need one fp,
7261 * so try to enable MSI-X with the requested number of fp's
7262 * and fallback to MSI or legacy INTx with one fp
7263 */
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007264 if (bnx2x_enable_msix(bp)) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007265 /* failed to enable MSI-X */
7266 if (bp->multi_mode)
7267 DP(NETIF_MSG_IFUP,
7268 "Multi requested but failed to "
7269 "enable MSI-X (%d), "
7270 "set number of queues to %d\n",
7271 bp->num_queues,
Ariel Elior6383c0b2011-07-14 08:31:57 +00007272 1 + NON_ETH_CONTEXT_USE);
7273 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007274
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007275 /* Try to enable MSI */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007276 if (!(bp->flags & DISABLE_MSI_FLAG))
7277 bnx2x_enable_msi(bp);
7278 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007279 break;
7280 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007281}
7282
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007283/* must be called prioir to any HW initializations */
7284static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7285{
7286 return L2_ILT_LINES(bp);
7287}
7288
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007289void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007290{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007291 struct ilt_client_info *ilt_client;
7292 struct bnx2x_ilt *ilt = BP_ILT(bp);
7293 u16 line = 0;
7294
7295 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7296 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7297
7298 /* CDU */
7299 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7300 ilt_client->client_num = ILT_CLIENT_CDU;
7301 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7302 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7303 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007304 line += bnx2x_cid_ilt_lines(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007305#ifdef BCM_CNIC
7306 line += CNIC_ILT_LINES;
7307#endif
7308 ilt_client->end = line - 1;
7309
7310 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
7311 "flags 0x%x, hw psz %d\n",
7312 ilt_client->start,
7313 ilt_client->end,
7314 ilt_client->page_size,
7315 ilt_client->flags,
7316 ilog2(ilt_client->page_size >> 12));
7317
7318 /* QM */
7319 if (QM_INIT(bp->qm_cid_count)) {
7320 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7321 ilt_client->client_num = ILT_CLIENT_QM;
7322 ilt_client->page_size = QM_ILT_PAGE_SZ;
7323 ilt_client->flags = 0;
7324 ilt_client->start = line;
7325
7326 /* 4 bytes for each cid */
7327 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7328 QM_ILT_PAGE_SZ);
7329
7330 ilt_client->end = line - 1;
7331
7332 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
7333 "flags 0x%x, hw psz %d\n",
7334 ilt_client->start,
7335 ilt_client->end,
7336 ilt_client->page_size,
7337 ilt_client->flags,
7338 ilog2(ilt_client->page_size >> 12));
7339
7340 }
7341 /* SRC */
7342 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7343#ifdef BCM_CNIC
7344 ilt_client->client_num = ILT_CLIENT_SRC;
7345 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7346 ilt_client->flags = 0;
7347 ilt_client->start = line;
7348 line += SRC_ILT_LINES;
7349 ilt_client->end = line - 1;
7350
7351 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
7352 "flags 0x%x, hw psz %d\n",
7353 ilt_client->start,
7354 ilt_client->end,
7355 ilt_client->page_size,
7356 ilt_client->flags,
7357 ilog2(ilt_client->page_size >> 12));
7358
7359#else
7360 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7361#endif
7362
7363 /* TM */
7364 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7365#ifdef BCM_CNIC
7366 ilt_client->client_num = ILT_CLIENT_TM;
7367 ilt_client->page_size = TM_ILT_PAGE_SZ;
7368 ilt_client->flags = 0;
7369 ilt_client->start = line;
7370 line += TM_ILT_LINES;
7371 ilt_client->end = line - 1;
7372
7373 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
7374 "flags 0x%x, hw psz %d\n",
7375 ilt_client->start,
7376 ilt_client->end,
7377 ilt_client->page_size,
7378 ilt_client->flags,
7379 ilog2(ilt_client->page_size >> 12));
7380
7381#else
7382 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7383#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007384 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007385}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007386
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007387/**
7388 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7389 *
7390 * @bp: driver handle
7391 * @fp: pointer to fastpath
7392 * @init_params: pointer to parameters structure
7393 *
7394 * parameters configured:
7395 * - HC configuration
7396 * - Queue's CDU context
7397 */
7398static inline void bnx2x_pf_q_prep_init(struct bnx2x *bp,
7399 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007400{
Ariel Elior6383c0b2011-07-14 08:31:57 +00007401
7402 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007403 /* FCoE Queue uses Default SB, thus has no HC capabilities */
7404 if (!IS_FCOE_FP(fp)) {
7405 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
7406 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
7407
7408 /* If HC is supporterd, enable host coalescing in the transition
7409 * to INIT state.
7410 */
7411 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
7412 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
7413
7414 /* HC rate */
7415 init_params->rx.hc_rate = bp->rx_ticks ?
7416 (1000000 / bp->rx_ticks) : 0;
7417 init_params->tx.hc_rate = bp->tx_ticks ?
7418 (1000000 / bp->tx_ticks) : 0;
7419
7420 /* FW SB ID */
7421 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
7422 fp->fw_sb_id;
7423
7424 /*
7425 * CQ index among the SB indices: FCoE clients uses the default
7426 * SB, therefore it's different.
7427 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007428 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
7429 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007430 }
7431
Ariel Elior6383c0b2011-07-14 08:31:57 +00007432 /* set maximum number of COSs supported by this queue */
7433 init_params->max_cos = fp->max_cos;
7434
Joe Perches94f05b02011-08-14 12:16:20 +00007435 DP(BNX2X_MSG_SP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007436 fp->index, init_params->max_cos);
7437
7438 /* set the context pointers queue object */
7439 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++)
7440 init_params->cxts[cos] =
7441 &bp->context.vcxt[fp->txdata[cos].cid].eth;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007442}
7443
Ariel Elior6383c0b2011-07-14 08:31:57 +00007444int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7445 struct bnx2x_queue_state_params *q_params,
7446 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
7447 int tx_index, bool leading)
7448{
7449 memset(tx_only_params, 0, sizeof(*tx_only_params));
7450
7451 /* Set the command */
7452 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
7453
7454 /* Set tx-only QUEUE flags: don't zero statistics */
7455 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
7456
7457 /* choose the index of the cid to send the slow path on */
7458 tx_only_params->cid_index = tx_index;
7459
7460 /* Set general TX_ONLY_SETUP parameters */
7461 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
7462
7463 /* Set Tx TX_ONLY_SETUP parameters */
7464 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
7465
7466 DP(BNX2X_MSG_SP, "preparing to send tx-only ramrod for connection:"
7467 "cos %d, primary cid %d, cid %d, "
Joe Perches94f05b02011-08-14 12:16:20 +00007468 "client id %d, sp-client id %d, flags %lx\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007469 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
7470 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
7471 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
7472
7473 /* send the ramrod */
7474 return bnx2x_queue_state_change(bp, q_params);
7475}
7476
7477
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007478/**
7479 * bnx2x_setup_queue - setup queue
7480 *
7481 * @bp: driver handle
7482 * @fp: pointer to fastpath
7483 * @leading: is leading
7484 *
7485 * This function performs 2 steps in a Queue state machine
7486 * actually: 1) RESET->INIT 2) INIT->SETUP
7487 */
7488
7489int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7490 bool leading)
7491{
7492 struct bnx2x_queue_state_params q_params = {0};
7493 struct bnx2x_queue_setup_params *setup_params =
7494 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007495 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
7496 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007497 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007498 u8 tx_index;
7499
Joe Perches94f05b02011-08-14 12:16:20 +00007500 DP(BNX2X_MSG_SP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007501
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007502 /* reset IGU state skip FCoE L2 queue */
7503 if (!IS_FCOE_FP(fp))
7504 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007505 IGU_INT_ENABLE, 0);
7506
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007507 q_params.q_obj = &fp->q_obj;
7508 /* We want to wait for completion in this context */
7509 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007510
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007511 /* Prepare the INIT parameters */
7512 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007513
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007514 /* Set the command */
7515 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007516
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007517 /* Change the state to INIT */
7518 rc = bnx2x_queue_state_change(bp, &q_params);
7519 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00007520 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007521 return rc;
7522 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007523
Joe Perches94f05b02011-08-14 12:16:20 +00007524 DP(BNX2X_MSG_SP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00007525
7526
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007527 /* Now move the Queue to the SETUP state... */
7528 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007529
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007530 /* Set QUEUE flags */
7531 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007532
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007533 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007534 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
7535 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007536
Ariel Elior6383c0b2011-07-14 08:31:57 +00007537 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007538 &setup_params->rxq_params);
7539
Ariel Elior6383c0b2011-07-14 08:31:57 +00007540 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
7541 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007542
7543 /* Set the command */
7544 q_params.cmd = BNX2X_Q_CMD_SETUP;
7545
7546 /* Change the state to SETUP */
7547 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007548 if (rc) {
7549 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
7550 return rc;
7551 }
7552
7553 /* loop through the relevant tx-only indices */
7554 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7555 tx_index < fp->max_cos;
7556 tx_index++) {
7557
7558 /* prepare and send tx-only ramrod*/
7559 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
7560 tx_only_params, tx_index, leading);
7561 if (rc) {
7562 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
7563 fp->index, tx_index);
7564 return rc;
7565 }
7566 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007567
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007568 return rc;
7569}
7570
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007571static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007572{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007573 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007574 struct bnx2x_fp_txdata *txdata;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007575 struct bnx2x_queue_state_params q_params = {0};
Ariel Elior6383c0b2011-07-14 08:31:57 +00007576 int rc, tx_index;
7577
Joe Perches94f05b02011-08-14 12:16:20 +00007578 DP(BNX2X_MSG_SP, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007579
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007580 q_params.q_obj = &fp->q_obj;
7581 /* We want to wait for completion in this context */
7582 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007583
Ariel Elior6383c0b2011-07-14 08:31:57 +00007584
7585 /* close tx-only connections */
7586 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7587 tx_index < fp->max_cos;
7588 tx_index++){
7589
7590 /* ascertain this is a normal queue*/
7591 txdata = &fp->txdata[tx_index];
7592
Joe Perches94f05b02011-08-14 12:16:20 +00007593 DP(BNX2X_MSG_SP, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007594 txdata->txq_index);
7595
7596 /* send halt terminate on tx-only connection */
7597 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
7598 memset(&q_params.params.terminate, 0,
7599 sizeof(q_params.params.terminate));
7600 q_params.params.terminate.cid_index = tx_index;
7601
7602 rc = bnx2x_queue_state_change(bp, &q_params);
7603 if (rc)
7604 return rc;
7605
7606 /* send halt terminate on tx-only connection */
7607 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
7608 memset(&q_params.params.cfc_del, 0,
7609 sizeof(q_params.params.cfc_del));
7610 q_params.params.cfc_del.cid_index = tx_index;
7611 rc = bnx2x_queue_state_change(bp, &q_params);
7612 if (rc)
7613 return rc;
7614 }
7615 /* Stop the primary connection: */
7616 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007617 q_params.cmd = BNX2X_Q_CMD_HALT;
7618 rc = bnx2x_queue_state_change(bp, &q_params);
7619 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007620 return rc;
7621
Ariel Elior6383c0b2011-07-14 08:31:57 +00007622 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007623 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007624 memset(&q_params.params.terminate, 0,
7625 sizeof(q_params.params.terminate));
7626 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007627 rc = bnx2x_queue_state_change(bp, &q_params);
7628 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007629 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007630 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007631 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007632 memset(&q_params.params.cfc_del, 0,
7633 sizeof(q_params.params.cfc_del));
7634 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007635 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007636}
7637
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007638
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007639static void bnx2x_reset_func(struct bnx2x *bp)
7640{
7641 int port = BP_PORT(bp);
7642 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007643 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007644
7645 /* Disable the function in the FW */
7646 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
7647 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
7648 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
7649 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
7650
7651 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007652 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007653 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007654 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00007655 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
7656 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007657 }
7658
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007659#ifdef BCM_CNIC
7660 /* CNIC SB */
7661 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7662 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(bnx2x_cnic_fw_sb_id(bp)),
7663 SB_DISABLED);
7664#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007665 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007666 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00007667 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
7668 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007669
7670 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
7671 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
7672 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08007673
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007674 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007675 if (bp->common.int_block == INT_BLOCK_HC) {
7676 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7677 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7678 } else {
7679 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7680 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7681 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007682
Michael Chan37b091b2009-10-10 13:46:55 +00007683#ifdef BCM_CNIC
7684 /* Disable Timer scan */
7685 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
7686 /*
7687 * Wait for at least 10ms and up to 2 second for the timers scan to
7688 * complete
7689 */
7690 for (i = 0; i < 200; i++) {
7691 msleep(10);
7692 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
7693 break;
7694 }
7695#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007696 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007697 bnx2x_clear_func_ilt(bp, func);
7698
7699 /* Timers workaround bug for E2: if this is vnic-3,
7700 * we need to set the entire ilt range for this timers.
7701 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007702 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007703 struct ilt_client_info ilt_cli;
7704 /* use dummy TM client */
7705 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7706 ilt_cli.start = 0;
7707 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7708 ilt_cli.client_num = ILT_CLIENT_TM;
7709
7710 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7711 }
7712
7713 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007714 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007715 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007716
7717 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007718}
7719
7720static void bnx2x_reset_port(struct bnx2x *bp)
7721{
7722 int port = BP_PORT(bp);
7723 u32 val;
7724
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007725 /* Reset physical Link */
7726 bnx2x__link_reset(bp);
7727
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007728 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7729
7730 /* Do not rcv packets to BRB */
7731 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7732 /* Do not direct rcv packets that are not for MCP to the BRB */
7733 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7734 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7735
7736 /* Configure AEU */
7737 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7738
7739 msleep(100);
7740 /* Check for BRB port occupancy */
7741 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7742 if (val)
7743 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007744 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007745
7746 /* TODO: Close Doorbell port? */
7747}
7748
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007749static inline int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007750{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007751 struct bnx2x_func_state_params func_params = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007752
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007753 /* Prepare parameters for function state transitions */
7754 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007755
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007756 func_params.f_obj = &bp->func_obj;
7757 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007758
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007759 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007760
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007761 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007762}
7763
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007764static inline int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007765{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007766 struct bnx2x_func_state_params func_params = {0};
7767 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007768
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007769 /* Prepare parameters for function state transitions */
7770 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
7771 func_params.f_obj = &bp->func_obj;
7772 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007773
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007774 /*
7775 * Try to stop the function the 'good way'. If fails (in case
7776 * of a parity error during bnx2x_chip_cleanup()) and we are
7777 * not in a debug mode, perform a state transaction in order to
7778 * enable further HW_RESET transaction.
7779 */
7780 rc = bnx2x_func_state_change(bp, &func_params);
7781 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007782#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007783 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007784#else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007785 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry "
7786 "transaction\n");
7787 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
7788 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007789#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007790 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007791
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007792 return 0;
7793}
Yitchak Gertner65abd742008-08-25 15:26:24 -07007794
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007795/**
7796 * bnx2x_send_unload_req - request unload mode from the MCP.
7797 *
7798 * @bp: driver handle
7799 * @unload_mode: requested function's unload mode
7800 *
7801 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
7802 */
7803u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
7804{
7805 u32 reset_code = 0;
7806 int port = BP_PORT(bp);
7807
7808 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007809 if (unload_mode == UNLOAD_NORMAL)
7810 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007811
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007812 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007813 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007814
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007815 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007816 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007817 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007818 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04007819 u16 pmc;
7820
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007821 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04007822 * preserve entry 0 which is used by the PMF
7823 */
David S. Miller8decf862011-09-22 03:23:13 -04007824 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007825
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007826 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007827 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007828
7829 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7830 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007831 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007832
David S. Miller88c51002011-10-07 13:38:43 -04007833 /* Enable the PME and clear the status */
7834 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
7835 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
7836 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
7837
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007838 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007840 } else
7841 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7842
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007843 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007844 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007845 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007846 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007847 int path = BP_PATH(bp);
7848
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007849 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007850 "%d, %d, %d\n",
7851 path, load_count[path][0], load_count[path][1],
7852 load_count[path][2]);
7853 load_count[path][0]--;
7854 load_count[path][1 + port]--;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007855 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007856 "%d, %d, %d\n",
7857 path, load_count[path][0], load_count[path][1],
7858 load_count[path][2]);
7859 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007860 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007861 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007862 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7863 else
7864 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7865 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007866
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007867 return reset_code;
7868}
7869
7870/**
7871 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
7872 *
7873 * @bp: driver handle
7874 */
7875void bnx2x_send_unload_done(struct bnx2x *bp)
7876{
7877 /* Report UNLOAD_DONE to MCP */
7878 if (!BP_NOMCP(bp))
7879 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7880}
7881
Dmitry Kravkov6debea82011-07-19 01:42:04 +00007882static inline int bnx2x_func_wait_started(struct bnx2x *bp)
7883{
7884 int tout = 50;
7885 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
7886
7887 if (!bp->port.pmf)
7888 return 0;
7889
7890 /*
7891 * (assumption: No Attention from MCP at this stage)
7892 * PMF probably in the middle of TXdisable/enable transaction
7893 * 1. Sync IRS for default SB
7894 * 2. Sync SP queue - this guarantes us that attention handling started
7895 * 3. Wait, that TXdisable/enable transaction completes
7896 *
7897 * 1+2 guranty that if DCBx attention was scheduled it already changed
7898 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
7899 * received complettion for the transaction the state is TX_STOPPED.
7900 * State will return to STARTED after completion of TX_STOPPED-->STARTED
7901 * transaction.
7902 */
7903
7904 /* make sure default SB ISR is done */
7905 if (msix)
7906 synchronize_irq(bp->msix_table[0].vector);
7907 else
7908 synchronize_irq(bp->pdev->irq);
7909
7910 flush_workqueue(bnx2x_wq);
7911
7912 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
7913 BNX2X_F_STATE_STARTED && tout--)
7914 msleep(20);
7915
7916 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
7917 BNX2X_F_STATE_STARTED) {
7918#ifdef BNX2X_STOP_ON_ERROR
7919 return -EBUSY;
7920#else
7921 /*
7922 * Failed to complete the transaction in a "good way"
7923 * Force both transactions with CLR bit
7924 */
7925 struct bnx2x_func_state_params func_params = {0};
7926
7927 DP(BNX2X_MSG_SP, "Hmmm... unexpected function state! "
7928 "Forcing STARTED-->TX_ST0PPED-->STARTED\n");
7929
7930 func_params.f_obj = &bp->func_obj;
7931 __set_bit(RAMROD_DRV_CLR_ONLY,
7932 &func_params.ramrod_flags);
7933
7934 /* STARTED-->TX_ST0PPED */
7935 func_params.cmd = BNX2X_F_CMD_TX_STOP;
7936 bnx2x_func_state_change(bp, &func_params);
7937
7938 /* TX_ST0PPED-->STARTED */
7939 func_params.cmd = BNX2X_F_CMD_TX_START;
7940 return bnx2x_func_state_change(bp, &func_params);
7941#endif
7942 }
7943
7944 return 0;
7945}
7946
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007947void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
7948{
7949 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007950 int i, rc = 0;
7951 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007952 struct bnx2x_mcast_ramrod_params rparam = {0};
7953 u32 reset_code;
7954
7955 /* Wait until tx fastpath tasks complete */
7956 for_each_tx_queue(bp, i) {
7957 struct bnx2x_fastpath *fp = &bp->fp[i];
7958
Ariel Elior6383c0b2011-07-14 08:31:57 +00007959 for_each_cos_in_tx_queue(fp, cos)
7960 rc = bnx2x_clean_tx_queue(bp, &fp->txdata[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007961#ifdef BNX2X_STOP_ON_ERROR
7962 if (rc)
7963 return;
7964#endif
7965 }
7966
7967 /* Give HW time to discard old tx messages */
7968 usleep_range(1000, 1000);
7969
7970 /* Clean all ETH MACs */
7971 rc = bnx2x_del_all_macs(bp, &bp->fp[0].mac_obj, BNX2X_ETH_MAC, false);
7972 if (rc < 0)
7973 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
7974
7975 /* Clean up UC list */
7976 rc = bnx2x_del_all_macs(bp, &bp->fp[0].mac_obj, BNX2X_UC_LIST_MAC,
7977 true);
7978 if (rc < 0)
7979 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: "
7980 "%d\n", rc);
7981
7982 /* Disable LLH */
7983 if (!CHIP_IS_E1(bp))
7984 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7985
7986 /* Set "drop all" (stop Rx).
7987 * We need to take a netif_addr_lock() here in order to prevent
7988 * a race between the completion code and this code.
7989 */
7990 netif_addr_lock_bh(bp->dev);
7991 /* Schedule the rx_mode command */
7992 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
7993 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
7994 else
7995 bnx2x_set_storm_rx_mode(bp);
7996
7997 /* Cleanup multicast configuration */
7998 rparam.mcast_obj = &bp->mcast_obj;
7999 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8000 if (rc < 0)
8001 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8002
8003 netif_addr_unlock_bh(bp->dev);
8004
8005
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008006
8007 /*
8008 * Send the UNLOAD_REQUEST to the MCP. This will return if
8009 * this function should perform FUNC, PORT or COMMON HW
8010 * reset.
8011 */
8012 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8013
8014 /*
8015 * (assumption: No Attention from MCP at this stage)
8016 * PMF probably in the middle of TXdisable/enable transaction
8017 */
8018 rc = bnx2x_func_wait_started(bp);
8019 if (rc) {
8020 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8021#ifdef BNX2X_STOP_ON_ERROR
8022 return;
8023#endif
8024 }
8025
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008026 /* Close multi and leading connections
8027 * Completions for ramrods are collected in a synchronous way
8028 */
8029 for_each_queue(bp, i)
8030 if (bnx2x_stop_queue(bp, i))
8031#ifdef BNX2X_STOP_ON_ERROR
8032 return;
8033#else
8034 goto unload_error;
8035#endif
8036 /* If SP settings didn't get completed so far - something
8037 * very wrong has happen.
8038 */
8039 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8040 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8041
8042#ifndef BNX2X_STOP_ON_ERROR
8043unload_error:
8044#endif
8045 rc = bnx2x_func_stop(bp);
8046 if (rc) {
8047 BNX2X_ERR("Function stop failed!\n");
8048#ifdef BNX2X_STOP_ON_ERROR
8049 return;
8050#endif
8051 }
8052
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008053 /* Disable HW interrupts, NAPI */
8054 bnx2x_netif_stop(bp, 1);
8055
8056 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008057 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008058
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008059 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008060 rc = bnx2x_reset_hw(bp, reset_code);
8061 if (rc)
8062 BNX2X_ERR("HW_RESET failed\n");
8063
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008064
8065 /* Report UNLOAD_DONE to MCP */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008066 bnx2x_send_unload_done(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008067}
8068
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008069void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008070{
8071 u32 val;
8072
8073 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
8074
8075 if (CHIP_IS_E1(bp)) {
8076 int port = BP_PORT(bp);
8077 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8078 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8079
8080 val = REG_RD(bp, addr);
8081 val &= ~(0x300);
8082 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008083 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008084 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8085 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8086 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8087 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8088 }
8089}
8090
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008091/* Close gates #2, #3 and #4: */
8092static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8093{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008094 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008095
8096 /* Gates #2 and #4a are closed/opened for "not E1" only */
8097 if (!CHIP_IS_E1(bp)) {
8098 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008099 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008100 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008101 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008102 }
8103
8104 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008105 if (CHIP_IS_E1x(bp)) {
8106 /* Prevent interrupts from HC on both ports */
8107 val = REG_RD(bp, HC_REG_CONFIG_1);
8108 REG_WR(bp, HC_REG_CONFIG_1,
8109 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8110 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8111
8112 val = REG_RD(bp, HC_REG_CONFIG_0);
8113 REG_WR(bp, HC_REG_CONFIG_0,
8114 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8115 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8116 } else {
8117 /* Prevent incomming interrupts in IGU */
8118 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8119
8120 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8121 (!close) ?
8122 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8123 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8124 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008125
8126 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
8127 close ? "closing" : "opening");
8128 mmiowb();
8129}
8130
8131#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8132
8133static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8134{
8135 /* Do some magic... */
8136 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8137 *magic_val = val & SHARED_MF_CLP_MAGIC;
8138 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8139}
8140
Dmitry Kravkove8920672011-05-04 23:52:40 +00008141/**
8142 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008143 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008144 * @bp: driver handle
8145 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008146 */
8147static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8148{
8149 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008150 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8151 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8152 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8153}
8154
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008155/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008156 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008157 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008158 * @bp: driver handle
8159 * @magic_val: old value of 'magic' bit.
8160 *
8161 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008162 */
8163static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8164{
8165 u32 shmem;
8166 u32 validity_offset;
8167
8168 DP(NETIF_MSG_HW, "Starting\n");
8169
8170 /* Set `magic' bit in order to save MF config */
8171 if (!CHIP_IS_E1(bp))
8172 bnx2x_clp_reset_prep(bp, magic_val);
8173
8174 /* Get shmem offset */
8175 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8176 validity_offset = offsetof(struct shmem_region, validity_map[0]);
8177
8178 /* Clear validity map flags */
8179 if (shmem > 0)
8180 REG_WR(bp, shmem + validity_offset, 0);
8181}
8182
8183#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8184#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8185
Dmitry Kravkove8920672011-05-04 23:52:40 +00008186/**
8187 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008188 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008189 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008190 */
8191static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
8192{
8193 /* special handling for emulation and FPGA,
8194 wait 10 times longer */
8195 if (CHIP_REV_IS_SLOW(bp))
8196 msleep(MCP_ONE_TIMEOUT*10);
8197 else
8198 msleep(MCP_ONE_TIMEOUT);
8199}
8200
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008201/*
8202 * initializes bp->common.shmem_base and waits for validity signature to appear
8203 */
8204static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008205{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008206 int cnt = 0;
8207 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008208
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008209 do {
8210 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8211 if (bp->common.shmem_base) {
8212 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8213 if (val & SHR_MEM_VALIDITY_MB)
8214 return 0;
8215 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008216
8217 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008218
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008219 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008220
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008221 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008222
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008223 return -ENODEV;
8224}
8225
8226static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8227{
8228 int rc = bnx2x_init_shmem(bp);
8229
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008230 /* Restore the `magic' bit value */
8231 if (!CHIP_IS_E1(bp))
8232 bnx2x_clp_reset_done(bp, magic_val);
8233
8234 return rc;
8235}
8236
8237static void bnx2x_pxp_prep(struct bnx2x *bp)
8238{
8239 if (!CHIP_IS_E1(bp)) {
8240 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8241 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008242 mmiowb();
8243 }
8244}
8245
8246/*
8247 * Reset the whole chip except for:
8248 * - PCIE core
8249 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8250 * one reset bit)
8251 * - IGU
8252 * - MISC (including AEU)
8253 * - GRC
8254 * - RBCN, RBCP
8255 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008256static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008257{
8258 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008259 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008260
8261 /*
8262 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8263 * (per chip) blocks.
8264 */
8265 global_bits2 =
8266 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8267 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008268
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008269 /* Don't reset the following blocks */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008270 not_reset_mask1 =
8271 MISC_REGISTERS_RESET_REG_1_RST_HC |
8272 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8273 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8274
8275 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008276 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008277 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8278 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8279 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8280 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8281 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8282 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008283 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8284 MISC_REGISTERS_RESET_REG_2_RST_ATC |
8285 MISC_REGISTERS_RESET_REG_2_PGLC;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008286
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008287 /*
8288 * Keep the following blocks in reset:
8289 * - all xxMACs are handled by the bnx2x_link code.
8290 */
8291 stay_reset2 =
8292 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
8293 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
8294 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
8295 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
8296 MISC_REGISTERS_RESET_REG_2_UMAC0 |
8297 MISC_REGISTERS_RESET_REG_2_UMAC1 |
8298 MISC_REGISTERS_RESET_REG_2_XMAC |
8299 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8300
8301 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008302 reset_mask1 = 0xffffffff;
8303
8304 if (CHIP_IS_E1(bp))
8305 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008306 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008307 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008308 else if (CHIP_IS_E2(bp))
8309 reset_mask2 = 0xfffff;
8310 else /* CHIP_IS_E3 */
8311 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008312
8313 /* Don't reset global blocks unless we need to */
8314 if (!global)
8315 reset_mask2 &= ~global_bits2;
8316
8317 /*
8318 * In case of attention in the QM, we need to reset PXP
8319 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8320 * because otherwise QM reset would release 'close the gates' shortly
8321 * before resetting the PXP, then the PSWRQ would send a write
8322 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8323 * read the payload data from PSWWR, but PSWWR would not
8324 * respond. The write queue in PGLUE would stuck, dmae commands
8325 * would not return. Therefore it's important to reset the second
8326 * reset register (containing the
8327 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8328 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8329 * bit).
8330 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008331 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8332 reset_mask2 & (~not_reset_mask2));
8333
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008334 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8335 reset_mask1 & (~not_reset_mask1));
8336
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008337 barrier();
8338 mmiowb();
8339
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008340 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8341 reset_mask2 & (~stay_reset2));
8342
8343 barrier();
8344 mmiowb();
8345
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008346 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008347 mmiowb();
8348}
8349
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008350/**
8351 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8352 * It should get cleared in no more than 1s.
8353 *
8354 * @bp: driver handle
8355 *
8356 * It should get cleared in no more than 1s. Returns 0 if
8357 * pending writes bit gets cleared.
8358 */
8359static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8360{
8361 u32 cnt = 1000;
8362 u32 pend_bits = 0;
8363
8364 do {
8365 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8366
8367 if (pend_bits == 0)
8368 break;
8369
8370 usleep_range(1000, 1000);
8371 } while (cnt-- > 0);
8372
8373 if (cnt <= 0) {
8374 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
8375 pend_bits);
8376 return -EBUSY;
8377 }
8378
8379 return 0;
8380}
8381
8382static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008383{
8384 int cnt = 1000;
8385 u32 val = 0;
8386 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
8387
8388
8389 /* Empty the Tetris buffer, wait for 1s */
8390 do {
8391 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
8392 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
8393 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
8394 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
8395 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
8396 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
8397 ((port_is_idle_0 & 0x1) == 0x1) &&
8398 ((port_is_idle_1 & 0x1) == 0x1) &&
8399 (pgl_exp_rom2 == 0xffffffff))
8400 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008401 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008402 } while (cnt-- > 0);
8403
8404 if (cnt <= 0) {
8405 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
8406 " are still"
8407 " outstanding read requests after 1s!\n");
8408 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
8409 " port_is_idle_0=0x%08x,"
8410 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
8411 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
8412 pgl_exp_rom2);
8413 return -EAGAIN;
8414 }
8415
8416 barrier();
8417
8418 /* Close gates #2, #3 and #4 */
8419 bnx2x_set_234_gates(bp, true);
8420
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008421 /* Poll for IGU VQs for 57712 and newer chips */
8422 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
8423 return -EAGAIN;
8424
8425
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008426 /* TBD: Indicate that "process kill" is in progress to MCP */
8427
8428 /* Clear "unprepared" bit */
8429 REG_WR(bp, MISC_REG_UNPREPARED, 0);
8430 barrier();
8431
8432 /* Make sure all is written to the chip before the reset */
8433 mmiowb();
8434
8435 /* Wait for 1ms to empty GLUE and PCI-E core queues,
8436 * PSWHST, GRC and PSWRD Tetris buffer.
8437 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008438 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008439
8440 /* Prepare to chip reset: */
8441 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008442 if (global)
8443 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008444
8445 /* PXP */
8446 bnx2x_pxp_prep(bp);
8447 barrier();
8448
8449 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008450 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008451 barrier();
8452
8453 /* Recover after reset: */
8454 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008455 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008456 return -EAGAIN;
8457
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008458 /* TBD: Add resetting the NO_MCP mode DB here */
8459
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008460 /* PXP */
8461 bnx2x_pxp_prep(bp);
8462
8463 /* Open the gates #2, #3 and #4 */
8464 bnx2x_set_234_gates(bp, false);
8465
8466 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
8467 * reset state, re-enable attentions. */
8468
8469 return 0;
8470}
8471
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008472int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008473{
8474 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008475 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00008476 u32 load_code;
8477
8478 /* if not going to reset MCP - load "fake" driver to reset HW while
8479 * driver is owner of the HW
8480 */
8481 if (!global && !BP_NOMCP(bp)) {
8482 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ, 0);
8483 if (!load_code) {
8484 BNX2X_ERR("MCP response failure, aborting\n");
8485 rc = -EAGAIN;
8486 goto exit_leader_reset;
8487 }
8488 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
8489 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
8490 BNX2X_ERR("MCP unexpected resp, aborting\n");
8491 rc = -EAGAIN;
8492 goto exit_leader_reset2;
8493 }
8494 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
8495 if (!load_code) {
8496 BNX2X_ERR("MCP response failure, aborting\n");
8497 rc = -EAGAIN;
8498 goto exit_leader_reset2;
8499 }
8500 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008501
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008502 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008503 if (bnx2x_process_kill(bp, global)) {
8504 netdev_err(bp->dev, "Something bad had happen on engine %d! "
8505 "Aii!\n", BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008506 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008507 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008508 }
8509
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008510 /*
8511 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
8512 * state.
8513 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008514 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008515 if (global)
8516 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008517
Ariel Elior95c6c6162012-01-26 06:01:52 +00008518exit_leader_reset2:
8519 /* unload "fake driver" if it was loaded */
8520 if (!global && !BP_NOMCP(bp)) {
8521 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
8522 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8523 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008524exit_leader_reset:
8525 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008526 bnx2x_release_leader_lock(bp);
8527 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008528 return rc;
8529}
8530
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008531static inline void bnx2x_recovery_failed(struct bnx2x *bp)
8532{
8533 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
8534
8535 /* Disconnect this device */
8536 netif_device_detach(bp->dev);
8537
8538 /*
8539 * Block ifup for all function on this engine until "process kill"
8540 * or power cycle.
8541 */
8542 bnx2x_set_reset_in_progress(bp);
8543
8544 /* Shut down the power */
8545 bnx2x_set_power_state(bp, PCI_D3hot);
8546
8547 bp->recovery_state = BNX2X_RECOVERY_FAILED;
8548
8549 smp_mb();
8550}
8551
8552/*
8553 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00008554 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008555 * will never be called when netif_running(bp->dev) is false.
8556 */
8557static void bnx2x_parity_recover(struct bnx2x *bp)
8558{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008559 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00008560 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008561 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008562
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008563 DP(NETIF_MSG_HW, "Handling parity\n");
8564 while (1) {
8565 switch (bp->recovery_state) {
8566 case BNX2X_RECOVERY_INIT:
8567 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00008568 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
8569 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008570
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008571 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008572 if (bnx2x_trylock_leader_lock(bp)) {
8573 bnx2x_set_reset_in_progress(bp);
8574 /*
8575 * Check if there is a global attention and if
8576 * there was a global attention, set the global
8577 * reset bit.
8578 */
8579
8580 if (global)
8581 bnx2x_set_reset_global(bp);
8582
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008583 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008584 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008585
8586 /* Stop the driver */
8587 /* If interface has been removed - break */
8588 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
8589 return;
8590
8591 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008592
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008593 /* Ensure "is_leader", MCP command sequence and
8594 * "recovery_state" update values are seen on other
8595 * CPUs.
8596 */
8597 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008598 break;
8599
8600 case BNX2X_RECOVERY_WAIT:
8601 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
8602 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008603 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00008604 bool other_load_status =
8605 bnx2x_get_load_status(bp, other_engine);
8606 bool load_status =
8607 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008608 global = bnx2x_reset_is_global(bp);
8609
8610 /*
8611 * In case of a parity in a global block, let
8612 * the first leader that performs a
8613 * leader_reset() reset the global blocks in
8614 * order to clear global attentions. Otherwise
8615 * the the gates will remain closed for that
8616 * engine.
8617 */
Ariel Elior889b9af2012-01-26 06:01:51 +00008618 if (load_status ||
8619 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008620 /* Wait until all other functions get
8621 * down.
8622 */
Ariel Elior7be08a72011-07-14 08:31:19 +00008623 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008624 HZ/10);
8625 return;
8626 } else {
8627 /* If all other functions got down -
8628 * try to bring the chip back to
8629 * normal. In any case it's an exit
8630 * point for a leader.
8631 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008632 if (bnx2x_leader_reset(bp)) {
8633 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008634 return;
8635 }
8636
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008637 /* If we are here, means that the
8638 * leader has succeeded and doesn't
8639 * want to be a leader any more. Try
8640 * to continue as a none-leader.
8641 */
8642 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008643 }
8644 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008645 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008646 /* Try to get a LEADER_LOCK HW lock as
8647 * long as a former leader may have
8648 * been unloaded by the user or
8649 * released a leadership by another
8650 * reason.
8651 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008652 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008653 /* I'm a leader now! Restart a
8654 * switch case.
8655 */
8656 bp->is_leader = 1;
8657 break;
8658 }
8659
Ariel Elior7be08a72011-07-14 08:31:19 +00008660 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008661 HZ/10);
8662 return;
8663
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008664 } else {
8665 /*
8666 * If there was a global attention, wait
8667 * for it to be cleared.
8668 */
8669 if (bnx2x_reset_is_global(bp)) {
8670 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00008671 &bp->sp_rtnl_task,
8672 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008673 return;
8674 }
8675
Ariel Elior7a752992012-01-26 06:01:53 +00008676 error_recovered =
8677 bp->eth_stats.recoverable_error;
8678 error_unrecovered =
8679 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008680 bp->recovery_state =
8681 BNX2X_RECOVERY_NIC_LOADING;
8682 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00008683 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008684 netdev_err(bp->dev,
8685 "Recovery failed. "
8686 "Power cycle "
8687 "needed\n");
8688 /* Disconnect this device */
8689 netif_device_detach(bp->dev);
8690 /* Shut down the power */
8691 bnx2x_set_power_state(
8692 bp, PCI_D3hot);
8693 smp_mb();
8694 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008695 bp->recovery_state =
8696 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00008697 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008698 smp_mb();
8699 }
Ariel Elior7a752992012-01-26 06:01:53 +00008700 bp->eth_stats.recoverable_error =
8701 error_recovered;
8702 bp->eth_stats.unrecoverable_error =
8703 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008704
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008705 return;
8706 }
8707 }
8708 default:
8709 return;
8710 }
8711 }
8712}
8713
Michal Schmidt56ad3152012-02-16 02:38:48 +00008714static int bnx2x_close(struct net_device *dev);
8715
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008716/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
8717 * scheduled on a general queue in order to prevent a dead lock.
8718 */
Ariel Elior7be08a72011-07-14 08:31:19 +00008719static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008720{
Ariel Elior7be08a72011-07-14 08:31:19 +00008721 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008722
8723 rtnl_lock();
8724
8725 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00008726 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008727
Ariel Elior7be08a72011-07-14 08:31:19 +00008728 /* if stop on error is defined no recovery flows should be executed */
8729#ifdef BNX2X_STOP_ON_ERROR
8730 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined "
8731 "so reset not done to allow debug dump,\n"
8732 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008733 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00008734#endif
8735
8736 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
8737 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008738 * Clear all pending SP commands as we are going to reset the
8739 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00008740 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008741 bp->sp_rtnl_state = 0;
8742 smp_mb();
8743
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008744 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008745
8746 goto sp_rtnl_exit;
8747 }
8748
8749 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
8750 /*
8751 * Clear all pending SP commands as we are going to reset the
8752 * function anyway.
8753 */
8754 bp->sp_rtnl_state = 0;
8755 smp_mb();
8756
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008757 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8758 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008759
8760 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008761 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008762#ifdef BNX2X_STOP_ON_ERROR
8763sp_rtnl_not_reset:
8764#endif
8765 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
8766 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008767
Ariel Elior83048592011-11-13 04:34:29 +00008768 /*
8769 * in case of fan failure we need to reset id if the "stop on error"
8770 * debug flag is set, since we trying to prevent permanent overheating
8771 * damage
8772 */
8773 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Dmitry Kravkov5219e4c2011-11-14 14:36:40 -05008774 DP(BNX2X_MSG_SP, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00008775 netif_device_detach(bp->dev);
8776 bnx2x_close(bp->dev);
8777 }
8778
Ariel Elior7be08a72011-07-14 08:31:19 +00008779sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008780 rtnl_unlock();
8781}
8782
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008783/* end of nic load/unload */
8784
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008785static void bnx2x_period_task(struct work_struct *work)
8786{
8787 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
8788
8789 if (!netif_running(bp->dev))
8790 goto period_task_exit;
8791
8792 if (CHIP_REV_IS_SLOW(bp)) {
8793 BNX2X_ERR("period task called on emulation, ignoring\n");
8794 goto period_task_exit;
8795 }
8796
8797 bnx2x_acquire_phy_lock(bp);
8798 /*
8799 * The barrier is needed to ensure the ordering between the writing to
8800 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
8801 * the reading here.
8802 */
8803 smp_mb();
8804 if (bp->port.pmf) {
8805 bnx2x_period_func(&bp->link_params, &bp->link_vars);
8806
8807 /* Re-queue task in 1 sec */
8808 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
8809 }
8810
8811 bnx2x_release_phy_lock(bp);
8812period_task_exit:
8813 return;
8814}
8815
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008816/*
8817 * Init service functions
8818 */
8819
stephen hemminger8d962862010-10-21 07:50:56 +00008820static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008821{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008822 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
8823 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
8824 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008825}
8826
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008827static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008828{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008829 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008830
8831 /* Flush all outstanding writes */
8832 mmiowb();
8833
8834 /* Pretend to be function 0 */
8835 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008836 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008837
8838 /* From now we are in the "like-E1" mode */
8839 bnx2x_int_disable(bp);
8840
8841 /* Flush all outstanding writes */
8842 mmiowb();
8843
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008844 /* Restore the original function */
8845 REG_WR(bp, reg, BP_ABS_FUNC(bp));
8846 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008847}
8848
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008849static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008850{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008851 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008852 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008853 else
8854 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008855}
8856
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008857static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008858{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008859 u32 val;
8860
Ariel Eliorf16da432012-01-26 06:01:50 +00008861 /* possibly another driver is trying to reset the chip */
8862 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller8decf862011-09-22 03:23:13 -04008863
Ariel Eliorf16da432012-01-26 06:01:50 +00008864 /* check if doorbell queue is reset */
8865 if (REG_RD(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET)
8866 & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
8867
David S. Miller8decf862011-09-22 03:23:13 -04008868 /*
8869 * Check if it is the UNDI driver
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008870 * UNDI driver initializes CID offset for normal bell to 0x7
8871 */
8872 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
8873 if (val == 0x7) {
8874 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008875 /* save our pf_num */
8876 int orig_pf_num = bp->pf_num;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008877 int port;
8878 u32 swap_en, swap_val, value;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008879
Eilon Greensteinb4661732009-01-14 06:43:56 +00008880 /* clear the UNDI indication */
8881 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
8882
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008883 BNX2X_DEV_INFO("UNDI is active! reset device\n");
8884
8885 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008886 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008887 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008888 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008889 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008890 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008891
8892 /* if UNDI is loaded on the other port */
8893 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
8894
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008895 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008896 bnx2x_fw_command(bp,
8897 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008898
8899 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008900 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008901 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008902 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008903 DRV_MSG_SEQ_NUMBER_MASK);
8904 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008905
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008906 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008907 }
8908
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008909 bnx2x_undi_int_disable(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008910 port = BP_PORT(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008911
8912 /* close input traffic and wait for it */
8913 /* Do not rcv packets to BRB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008914 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
8915 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008916 /* Do not direct rcv packets that are not for MCP to
8917 * the BRB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008918 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8919 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008920 /* clear AEU */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008921 REG_WR(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8922 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008923 msleep(10);
8924
8925 /* save NIG port swap info */
8926 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8927 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008928 /* reset device */
8929 REG_WR(bp,
8930 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008931 0xd3ffffff);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008932
8933 value = 0x1400;
8934 if (CHIP_IS_E3(bp)) {
8935 value |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
8936 value |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
8937 }
8938
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008939 REG_WR(bp,
8940 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008941 value);
8942
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008943 /* take the NIG out of reset and restore swap values */
8944 REG_WR(bp,
8945 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
8946 MISC_REGISTERS_RESET_REG_1_RST_NIG);
8947 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
8948 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
8949
8950 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008951 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008952
8953 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008954 bp->pf_num = orig_pf_num;
David S. Miller8decf862011-09-22 03:23:13 -04008955 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008956 }
Ariel Eliorf16da432012-01-26 06:01:50 +00008957
8958 /* now it's safe to release the lock */
8959 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008960}
8961
8962static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
8963{
Barak Witkowski1d187b32011-12-05 22:41:50 +00008964 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07008965 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008966
8967 /* Get the chip revision id and number. */
8968 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
8969 val = REG_RD(bp, MISC_REG_CHIP_NUM);
8970 id = ((val & 0xffff) << 16);
8971 val = REG_RD(bp, MISC_REG_CHIP_REV);
8972 id |= ((val & 0xf) << 12);
8973 val = REG_RD(bp, MISC_REG_CHIP_METAL);
8974 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00008975 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008976 id |= (val & 0xf);
8977 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008978
8979 /* Set doorbell size */
8980 bp->db_size = (1 << BNX2X_DB_SHIFT);
8981
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008982 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008983 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
8984 if ((val & 1) == 0)
8985 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
8986 else
8987 val = (val >> 1) & 1;
8988 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
8989 "2_PORT_MODE");
8990 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
8991 CHIP_2_PORT_MODE;
8992
8993 if (CHIP_MODE_IS_4_PORT(bp))
8994 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
8995 else
8996 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
8997 } else {
8998 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
8999 bp->pfid = bp->pf_num; /* 0..7 */
9000 }
9001
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009002 bp->link_params.chip_id = bp->common.chip_id;
9003 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009004
Eilon Greenstein1c063282009-02-12 08:36:43 +00009005 val = (REG_RD(bp, 0x2874) & 0x55);
9006 if ((bp->common.chip_id & 0x1) ||
9007 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9008 bp->flags |= ONE_PORT_FLAG;
9009 BNX2X_DEV_INFO("single port device\n");
9010 }
9011
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009012 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009013 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009014 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9015 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9016 bp->common.flash_size, bp->common.flash_size);
9017
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009018 bnx2x_init_shmem(bp);
9019
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009020
9021
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009022 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9023 MISC_REG_GENERIC_CR_1 :
9024 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009025
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009026 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009027 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009028 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9029 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009030
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009031 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009032 BNX2X_DEV_INFO("MCP not active\n");
9033 bp->flags |= NO_MCP_FLAG;
9034 return;
9035 }
9036
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009037 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009038 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009039
9040 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9041 SHARED_HW_CFG_LED_MODE_MASK) >>
9042 SHARED_HW_CFG_LED_MODE_SHIFT);
9043
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009044 bp->link_params.feature_config_flags = 0;
9045 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9046 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9047 bp->link_params.feature_config_flags |=
9048 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9049 else
9050 bp->link_params.feature_config_flags &=
9051 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9052
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009053 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9054 bp->common.bc_ver = val;
9055 BNX2X_DEV_INFO("bc_ver %X\n", val);
9056 if (val < BNX2X_BC_VER) {
9057 /* for now only warn
9058 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009059 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
9060 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009061 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009062 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009063 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009064 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9065
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009066 bp->link_params.feature_config_flags |=
9067 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9068 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009069
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009070 bp->link_params.feature_config_flags |=
9071 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9072 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009073 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9074 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009075
Barak Witkowski1d187b32011-12-05 22:41:50 +00009076 boot_mode = SHMEM_RD(bp,
9077 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9078 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9079 switch (boot_mode) {
9080 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9081 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9082 break;
9083 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9084 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9085 break;
9086 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9087 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9088 break;
9089 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9090 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9091 break;
9092 }
9093
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009094 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9095 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9096
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009097 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009098 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009099
9100 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9101 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9102 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9103 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9104
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009105 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9106 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009107}
9108
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009109#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9110#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9111
9112static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9113{
9114 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009115 int igu_sb_id;
9116 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009117 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009118
9119 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009120 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009121 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009122 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009123 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9124 FP_SB_MAX_E1x;
9125
9126 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9127 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9128
9129 return;
9130 }
9131
9132 /* IGU in normal mode - read CAM */
9133 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9134 igu_sb_id++) {
9135 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
9136 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
9137 continue;
9138 fid = IGU_FID(val);
9139 if ((fid & IGU_FID_ENCODE_IS_PF)) {
9140 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
9141 continue;
9142 if (IGU_VEC(val) == 0)
9143 /* default status block */
9144 bp->igu_dsb_id = igu_sb_id;
9145 else {
9146 if (bp->igu_base_sb == 0xff)
9147 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009148 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009149 }
9150 }
9151 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009152
Ariel Elior6383c0b2011-07-14 08:31:57 +00009153#ifdef CONFIG_PCI_MSI
9154 /*
9155 * It's expected that number of CAM entries for this functions is equal
9156 * to the number evaluated based on the MSI-X table size. We want a
9157 * harsh warning if these values are different!
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009158 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00009159 WARN_ON(bp->igu_sb_cnt != igu_sb_cnt);
9160#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009161
Ariel Elior6383c0b2011-07-14 08:31:57 +00009162 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009163 BNX2X_ERR("CAM configuration error\n");
9164}
9165
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009166static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
9167 u32 switch_cfg)
9168{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009169 int cfg_size = 0, idx, port = BP_PORT(bp);
9170
9171 /* Aggregation of supported attributes of all external phys */
9172 bp->port.supported[0] = 0;
9173 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009174 switch (bp->link_params.num_phys) {
9175 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009176 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
9177 cfg_size = 1;
9178 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009179 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009180 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
9181 cfg_size = 1;
9182 break;
9183 case 3:
9184 if (bp->link_params.multi_phy_config &
9185 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
9186 bp->port.supported[1] =
9187 bp->link_params.phy[EXT_PHY1].supported;
9188 bp->port.supported[0] =
9189 bp->link_params.phy[EXT_PHY2].supported;
9190 } else {
9191 bp->port.supported[0] =
9192 bp->link_params.phy[EXT_PHY1].supported;
9193 bp->port.supported[1] =
9194 bp->link_params.phy[EXT_PHY2].supported;
9195 }
9196 cfg_size = 2;
9197 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009198 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009199
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009200 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009201 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009202 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009203 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009204 dev_info.port_hw_config[port].external_phy_config),
9205 SHMEM_RD(bp,
9206 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009207 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009208 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009209
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009210 if (CHIP_IS_E3(bp))
9211 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
9212 else {
9213 switch (switch_cfg) {
9214 case SWITCH_CFG_1G:
9215 bp->port.phy_addr = REG_RD(
9216 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
9217 break;
9218 case SWITCH_CFG_10G:
9219 bp->port.phy_addr = REG_RD(
9220 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
9221 break;
9222 default:
9223 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
9224 bp->port.link_config[0]);
9225 return;
9226 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009227 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009228 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009229 /* mask what we support according to speed_cap_mask per configuration */
9230 for (idx = 0; idx < cfg_size; idx++) {
9231 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009232 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009233 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009234
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009235 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009236 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009237 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009238
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009239 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009240 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009241 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009242
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009243 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009244 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009245 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009246
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009247 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009248 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009249 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009250 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009251
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009252 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009253 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009254 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009255
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009256 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009257 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009258 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009259
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009260 }
9261
9262 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
9263 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009264}
9265
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009266static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009267{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009268 u32 link_config, idx, cfg_size = 0;
9269 bp->port.advertising[0] = 0;
9270 bp->port.advertising[1] = 0;
9271 switch (bp->link_params.num_phys) {
9272 case 1:
9273 case 2:
9274 cfg_size = 1;
9275 break;
9276 case 3:
9277 cfg_size = 2;
9278 break;
9279 }
9280 for (idx = 0; idx < cfg_size; idx++) {
9281 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
9282 link_config = bp->port.link_config[idx];
9283 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009284 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009285 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
9286 bp->link_params.req_line_speed[idx] =
9287 SPEED_AUTO_NEG;
9288 bp->port.advertising[idx] |=
9289 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +00009290 if (bp->link_params.phy[EXT_PHY1].type ==
9291 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9292 bp->port.advertising[idx] |=
9293 (SUPPORTED_100baseT_Half |
9294 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009295 } else {
9296 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009297 bp->link_params.req_line_speed[idx] =
9298 SPEED_10000;
9299 bp->port.advertising[idx] |=
9300 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009301 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009302 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009303 }
9304 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009305
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009306 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009307 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
9308 bp->link_params.req_line_speed[idx] =
9309 SPEED_10;
9310 bp->port.advertising[idx] |=
9311 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009312 ADVERTISED_TP);
9313 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009314 BNX2X_ERR("NVRAM config error. "
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009315 "Invalid link_config 0x%x"
9316 " speed_cap_mask 0x%x\n",
9317 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009318 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009319 return;
9320 }
9321 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009322
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009323 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009324 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
9325 bp->link_params.req_line_speed[idx] =
9326 SPEED_10;
9327 bp->link_params.req_duplex[idx] =
9328 DUPLEX_HALF;
9329 bp->port.advertising[idx] |=
9330 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009331 ADVERTISED_TP);
9332 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009333 BNX2X_ERR("NVRAM config error. "
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009334 "Invalid link_config 0x%x"
9335 " speed_cap_mask 0x%x\n",
9336 link_config,
9337 bp->link_params.speed_cap_mask[idx]);
9338 return;
9339 }
9340 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009341
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009342 case PORT_FEATURE_LINK_SPEED_100M_FULL:
9343 if (bp->port.supported[idx] &
9344 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009345 bp->link_params.req_line_speed[idx] =
9346 SPEED_100;
9347 bp->port.advertising[idx] |=
9348 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009349 ADVERTISED_TP);
9350 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009351 BNX2X_ERR("NVRAM config error. "
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009352 "Invalid link_config 0x%x"
9353 " speed_cap_mask 0x%x\n",
9354 link_config,
9355 bp->link_params.speed_cap_mask[idx]);
9356 return;
9357 }
9358 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009359
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009360 case PORT_FEATURE_LINK_SPEED_100M_HALF:
9361 if (bp->port.supported[idx] &
9362 SUPPORTED_100baseT_Half) {
9363 bp->link_params.req_line_speed[idx] =
9364 SPEED_100;
9365 bp->link_params.req_duplex[idx] =
9366 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009367 bp->port.advertising[idx] |=
9368 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009369 ADVERTISED_TP);
9370 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009371 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009372 "Invalid link_config 0x%x"
9373 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009374 link_config,
9375 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009376 return;
9377 }
9378 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009379
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009380 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009381 if (bp->port.supported[idx] &
9382 SUPPORTED_1000baseT_Full) {
9383 bp->link_params.req_line_speed[idx] =
9384 SPEED_1000;
9385 bp->port.advertising[idx] |=
9386 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009387 ADVERTISED_TP);
9388 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009389 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009390 "Invalid link_config 0x%x"
9391 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009392 link_config,
9393 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009394 return;
9395 }
9396 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009397
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009398 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009399 if (bp->port.supported[idx] &
9400 SUPPORTED_2500baseX_Full) {
9401 bp->link_params.req_line_speed[idx] =
9402 SPEED_2500;
9403 bp->port.advertising[idx] |=
9404 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009405 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009406 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009407 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009408 "Invalid link_config 0x%x"
9409 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009410 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009411 bp->link_params.speed_cap_mask[idx]);
9412 return;
9413 }
9414 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009415
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009416 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009417 if (bp->port.supported[idx] &
9418 SUPPORTED_10000baseT_Full) {
9419 bp->link_params.req_line_speed[idx] =
9420 SPEED_10000;
9421 bp->port.advertising[idx] |=
9422 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009423 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009424 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009425 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009426 "Invalid link_config 0x%x"
9427 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009428 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009429 bp->link_params.speed_cap_mask[idx]);
9430 return;
9431 }
9432 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00009433 case PORT_FEATURE_LINK_SPEED_20G:
9434 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009435
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00009436 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009437 default:
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009438 BNX2X_ERR("NVRAM config error. "
9439 "BAD link speed link_config 0x%x\n",
9440 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009441 bp->link_params.req_line_speed[idx] =
9442 SPEED_AUTO_NEG;
9443 bp->port.advertising[idx] =
9444 bp->port.supported[idx];
9445 break;
9446 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009447
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009448 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009449 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009450 if ((bp->link_params.req_flow_ctrl[idx] ==
9451 BNX2X_FLOW_CTRL_AUTO) &&
9452 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
9453 bp->link_params.req_flow_ctrl[idx] =
9454 BNX2X_FLOW_CTRL_NONE;
9455 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009456
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009457 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
9458 " 0x%x advertising 0x%x\n",
9459 bp->link_params.req_line_speed[idx],
9460 bp->link_params.req_duplex[idx],
9461 bp->link_params.req_flow_ctrl[idx],
9462 bp->port.advertising[idx]);
9463 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009464}
9465
Michael Chane665bfd2009-10-10 13:46:54 +00009466static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
9467{
9468 mac_hi = cpu_to_be16(mac_hi);
9469 mac_lo = cpu_to_be32(mac_lo);
9470 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
9471 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
9472}
9473
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009474static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009475{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009476 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00009477 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00009478 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009479
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009480 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009481 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009482
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009483 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009484 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009485
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009486 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009487 SHMEM_RD(bp,
9488 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009489 bp->link_params.speed_cap_mask[1] =
9490 SHMEM_RD(bp,
9491 dev_info.port_hw_config[port].speed_capability_mask2);
9492 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009493 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
9494
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009495 bp->port.link_config[1] =
9496 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009497
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009498 bp->link_params.multi_phy_config =
9499 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00009500 /* If the device is capable of WoL, set the default state according
9501 * to the HW
9502 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009503 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00009504 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
9505 (config & PORT_FEATURE_WOL_ENABLED));
9506
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009507 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009508 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009509 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009510 bp->link_params.speed_cap_mask[0],
9511 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009512
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009513 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009514 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009515 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009516 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009517
9518 bnx2x_link_settings_requested(bp);
9519
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009520 /*
9521 * If connected directly, work with the internal PHY, otherwise, work
9522 * with the external PHY
9523 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009524 ext_phy_config =
9525 SHMEM_RD(bp,
9526 dev_info.port_hw_config[port].external_phy_config);
9527 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009528 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009529 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009530
9531 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
9532 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
9533 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009534 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00009535
9536 /*
9537 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
9538 * In MF mode, it is set to cover self test cases
9539 */
9540 if (IS_MF(bp))
9541 bp->port.need_hw_lock = 1;
9542 else
9543 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
9544 bp->common.shmem_base,
9545 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009546}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009547
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009548void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009549{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009550#ifdef BCM_CNIC
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009551 int port = BP_PORT(bp);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009552
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009553 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009554 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009555
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009556 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009557 bp->cnic_eth_dev.max_iscsi_conn =
9558 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
9559 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
9560
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009561 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
9562 bp->cnic_eth_dev.max_iscsi_conn);
9563
9564 /*
9565 * If maximum allowed number of connections is zero -
9566 * disable the feature.
9567 */
9568 if (!bp->cnic_eth_dev.max_iscsi_conn)
9569 bp->flags |= NO_ISCSI_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009570#else
9571 bp->flags |= NO_ISCSI_FLAG;
9572#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009573}
9574
9575static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
9576{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009577#ifdef BCM_CNIC
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009578 int port = BP_PORT(bp);
9579 int func = BP_ABS_FUNC(bp);
9580
9581 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
9582 drv_lic_key[port].max_fcoe_conn);
9583
9584 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009585 bp->cnic_eth_dev.max_fcoe_conn =
9586 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
9587 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
9588
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009589 /* Read the WWN: */
9590 if (!IS_MF(bp)) {
9591 /* Port info */
9592 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
9593 SHMEM_RD(bp,
9594 dev_info.port_hw_config[port].
9595 fcoe_wwn_port_name_upper);
9596 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
9597 SHMEM_RD(bp,
9598 dev_info.port_hw_config[port].
9599 fcoe_wwn_port_name_lower);
9600
9601 /* Node info */
9602 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
9603 SHMEM_RD(bp,
9604 dev_info.port_hw_config[port].
9605 fcoe_wwn_node_name_upper);
9606 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
9607 SHMEM_RD(bp,
9608 dev_info.port_hw_config[port].
9609 fcoe_wwn_node_name_lower);
9610 } else if (!IS_MF_SD(bp)) {
9611 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
9612
9613 /*
9614 * Read the WWN info only if the FCoE feature is enabled for
9615 * this function.
9616 */
9617 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
9618 /* Port info */
9619 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
9620 MF_CFG_RD(bp, func_ext_config[func].
9621 fcoe_wwn_port_name_upper);
9622 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
9623 MF_CFG_RD(bp, func_ext_config[func].
9624 fcoe_wwn_port_name_lower);
9625
9626 /* Node info */
9627 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
9628 MF_CFG_RD(bp, func_ext_config[func].
9629 fcoe_wwn_node_name_upper);
9630 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
9631 MF_CFG_RD(bp, func_ext_config[func].
9632 fcoe_wwn_node_name_lower);
9633 }
9634 }
9635
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009636 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009637
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009638 /*
9639 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009640 * disable the feature.
9641 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009642 if (!bp->cnic_eth_dev.max_fcoe_conn)
9643 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009644#else
9645 bp->flags |= NO_FCOE_FLAG;
9646#endif
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009647}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009648
9649static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
9650{
9651 /*
9652 * iSCSI may be dynamically disabled but reading
9653 * info here we will decrease memory usage by driver
9654 * if the feature is disabled for good
9655 */
9656 bnx2x_get_iscsi_info(bp);
9657 bnx2x_get_fcoe_info(bp);
9658}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009659
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009660static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
9661{
9662 u32 val, val2;
9663 int func = BP_ABS_FUNC(bp);
9664 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009665#ifdef BCM_CNIC
9666 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
9667 u8 *fip_mac = bp->fip_mac;
9668#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009669
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009670 /* Zero primary MAC configuration */
9671 memset(bp->dev->dev_addr, 0, ETH_ALEN);
9672
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009673 if (BP_NOMCP(bp)) {
9674 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +00009675 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009676 } else if (IS_MF(bp)) {
9677 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
9678 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
9679 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
9680 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
9681 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
9682
9683#ifdef BCM_CNIC
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009684 /*
9685 * iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009686 * FCoE MAC then the appropriate feature should be disabled.
9687 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009688 if (IS_MF_SI(bp)) {
9689 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
9690 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
9691 val2 = MF_CFG_RD(bp, func_ext_config[func].
9692 iscsi_mac_addr_upper);
9693 val = MF_CFG_RD(bp, func_ext_config[func].
9694 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009695 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Joe Perches0f9dad12011-08-14 12:16:19 +00009696 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
9697 iscsi_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009698 } else
9699 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
9700
9701 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
9702 val2 = MF_CFG_RD(bp, func_ext_config[func].
9703 fcoe_mac_addr_upper);
9704 val = MF_CFG_RD(bp, func_ext_config[func].
9705 fcoe_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009706 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009707 BNX2X_DEV_INFO("Read FCoE L2 MAC: %pM\n",
Joe Perches0f9dad12011-08-14 12:16:19 +00009708 fip_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009709
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009710 } else
9711 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009712 } else { /* SD mode */
9713 if (BNX2X_IS_MF_PROTOCOL_ISCSI(bp)) {
9714 /* use primary mac as iscsi mac */
9715 memcpy(iscsi_mac, bp->dev->dev_addr, ETH_ALEN);
9716 /* Zero primary MAC configuration */
9717 memset(bp->dev->dev_addr, 0, ETH_ALEN);
9718
9719 BNX2X_DEV_INFO("SD ISCSI MODE\n");
9720 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
9721 iscsi_mac);
9722 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009723 }
9724#endif
9725 } else {
9726 /* in SF read MACs from port configuration */
9727 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
9728 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
9729 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
9730
9731#ifdef BCM_CNIC
9732 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
9733 iscsi_mac_upper);
9734 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
9735 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009736 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +00009737
9738 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
9739 fcoe_fip_mac_upper);
9740 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
9741 fcoe_fip_mac_lower);
9742 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009743#endif
9744 }
9745
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009746 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
9747 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00009748
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009749#ifdef BCM_CNIC
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +00009750 /* Set the FCoE MAC in MF_SD mode */
9751 if (!CHIP_IS_E1x(bp) && IS_MF_SD(bp))
9752 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
Dmitry Kravkov426b9242011-05-04 23:49:53 +00009753
9754 /* Disable iSCSI if MAC configuration is
9755 * invalid.
9756 */
9757 if (!is_valid_ether_addr(iscsi_mac)) {
9758 bp->flags |= NO_ISCSI_FLAG;
9759 memset(iscsi_mac, 0, ETH_ALEN);
9760 }
9761
9762 /* Disable FCoE if MAC configuration is
9763 * invalid.
9764 */
9765 if (!is_valid_ether_addr(fip_mac)) {
9766 bp->flags |= NO_FCOE_FLAG;
9767 memset(bp->fip_mac, 0, ETH_ALEN);
9768 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009769#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009770
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009771 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009772 dev_err(&bp->pdev->dev,
9773 "bad Ethernet MAC address configuration: "
Joe Perches0f9dad12011-08-14 12:16:19 +00009774 "%pM, change it manually before bringing up "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009775 "the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +00009776 bp->dev->dev_addr);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009777}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009778
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009779static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
9780{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009781 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07009782 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009783 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009784 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009785
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009786 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009787
Ariel Elior6383c0b2011-07-14 08:31:57 +00009788 /*
9789 * initialize IGU parameters
9790 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009791 if (CHIP_IS_E1x(bp)) {
9792 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009793
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009794 bp->igu_dsb_id = DEF_SB_IGU_ID;
9795 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009796 } else {
9797 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -04009798
9799 /* do not allow device reset during IGU info preocessing */
9800 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
9801
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009802 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009803
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009804 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009805 int tout = 5000;
9806
9807 BNX2X_DEV_INFO("FORCING Normal Mode\n");
9808
9809 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
9810 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
9811 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
9812
9813 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
9814 tout--;
9815 usleep_range(1000, 1000);
9816 }
9817
9818 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
9819 dev_err(&bp->pdev->dev,
9820 "FORCING Normal Mode failed!!!\n");
9821 return -EPERM;
9822 }
9823 }
9824
9825 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
9826 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009827 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
9828 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009829 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009830
9831 bnx2x_get_igu_cam_info(bp);
9832
David S. Miller8decf862011-09-22 03:23:13 -04009833 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009834 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009835
9836 /*
9837 * set base FW non-default (fast path) status block id, this value is
9838 * used to initialize the fw_sb_id saved on the fp/queue structure to
9839 * determine the id used by the FW.
9840 */
9841 if (CHIP_IS_E1x(bp))
9842 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
9843 else /*
9844 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
9845 * the same queue are indicated on the same IGU SB). So we prefer
9846 * FW and IGU SBs to be the same value.
9847 */
9848 bp->base_fw_ndsb = bp->igu_base_sb;
9849
9850 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
9851 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
9852 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009853
9854 /*
9855 * Initialize MF configuration
9856 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009857
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00009858 bp->mf_ov = 0;
9859 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -04009860 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009861
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009862 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009863 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
9864 bp->common.shmem2_base, SHMEM2_RD(bp, size),
9865 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
9866
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009867 if (SHMEM2_HAS(bp, mf_cfg_addr))
9868 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
9869 else
9870 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009871 offsetof(struct shmem_region, func_mb) +
9872 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009873 /*
9874 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009875 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009876 * 2. MAC address must be legal (check only upper bytes)
9877 * for Switch-Independent mode;
9878 * OVLAN must be legal for Switch-Dependent mode
9879 * 3. SF_MODE configures specific MF mode
9880 */
9881 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
9882 /* get mf configuration */
9883 val = SHMEM_RD(bp,
9884 dev_info.shared_feature_config.config);
9885 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009886
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009887 switch (val) {
9888 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
9889 val = MF_CFG_RD(bp, func_mf_config[func].
9890 mac_upper);
9891 /* check for legal mac (upper bytes)*/
9892 if (val != 0xffff) {
9893 bp->mf_mode = MULTI_FUNCTION_SI;
9894 bp->mf_config[vn] = MF_CFG_RD(bp,
9895 func_mf_config[func].config);
9896 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009897 BNX2X_DEV_INFO("illegal MAC address "
9898 "for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009899 break;
9900 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
9901 /* get OV configuration */
9902 val = MF_CFG_RD(bp,
9903 func_mf_config[FUNC_0].e1hov_tag);
9904 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
9905
9906 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
9907 bp->mf_mode = MULTI_FUNCTION_SD;
9908 bp->mf_config[vn] = MF_CFG_RD(bp,
9909 func_mf_config[func].config);
9910 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009911 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009912 break;
9913 default:
9914 /* Unknown configuration: reset mf_config */
9915 bp->mf_config[vn] = 0;
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009916 BNX2X_DEV_INFO("unkown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009917 }
9918 }
9919
Eilon Greenstein2691d512009-08-12 08:22:08 +00009920 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00009921 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00009922
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009923 switch (bp->mf_mode) {
9924 case MULTI_FUNCTION_SD:
9925 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
9926 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009927 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00009928 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009929 bp->path_has_ovlan = true;
9930
9931 BNX2X_DEV_INFO("MF OV for func %d is %d "
9932 "(0x%04x)\n", func, bp->mf_ov,
9933 bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00009934 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009935 dev_err(&bp->pdev->dev,
9936 "No valid MF OV for func %d, "
9937 "aborting\n", func);
9938 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009939 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009940 break;
9941 case MULTI_FUNCTION_SI:
9942 BNX2X_DEV_INFO("func %d is in MF "
9943 "switch-independent mode\n", func);
9944 break;
9945 default:
9946 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009947 dev_err(&bp->pdev->dev,
9948 "VN %d is in a single function mode, "
9949 "aborting\n", vn);
9950 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009951 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009952 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009953 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009954
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009955 /* check if other port on the path needs ovlan:
9956 * Since MF configuration is shared between ports
9957 * Possible mixed modes are only
9958 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
9959 */
9960 if (CHIP_MODE_IS_4_PORT(bp) &&
9961 !bp->path_has_ovlan &&
9962 !IS_MF(bp) &&
9963 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
9964 u8 other_port = !BP_PORT(bp);
9965 u8 other_func = BP_PATH(bp) + 2*other_port;
9966 val = MF_CFG_RD(bp,
9967 func_mf_config[other_func].e1hov_tag);
9968 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
9969 bp->path_has_ovlan = true;
9970 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009971 }
9972
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009973 /* adjust igu_sb_cnt to MF for E1x */
9974 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009975 bp->igu_sb_cnt /= E1HVN_MAX;
9976
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009977 /* port info */
9978 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009979
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009980 /* Get MAC addresses */
9981 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009982
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009983 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009984
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009985 return rc;
9986}
9987
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009988static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
9989{
9990 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +00009991 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009992 char str_id_reg[VENDOR_ID_LEN+1];
9993 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +00009994 char *vpd_data;
9995 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009996 u8 len;
9997
Barak Witkowskifcdf95c2011-12-14 00:14:53 +00009998 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009999 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
10000
10001 if (cnt < BNX2X_VPD_LEN)
10002 goto out_not_found;
10003
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010004 /* VPD RO tag should be first tag after identifier string, hence
10005 * we should be able to find it in first BNX2X_VPD_LEN chars
10006 */
10007 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010008 PCI_VPD_LRDT_RO_DATA);
10009 if (i < 0)
10010 goto out_not_found;
10011
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010012 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010013 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010014
10015 i += PCI_VPD_LRDT_TAG_SIZE;
10016
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010017 if (block_end > BNX2X_VPD_LEN) {
10018 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10019 if (vpd_extended_data == NULL)
10020 goto out_not_found;
10021
10022 /* read rest of vpd image into vpd_extended_data */
10023 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10024 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10025 block_end - BNX2X_VPD_LEN,
10026 vpd_extended_data + BNX2X_VPD_LEN);
10027 if (cnt < (block_end - BNX2X_VPD_LEN))
10028 goto out_not_found;
10029 vpd_data = vpd_extended_data;
10030 } else
10031 vpd_data = vpd_start;
10032
10033 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010034
10035 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10036 PCI_VPD_RO_KEYWORD_MFR_ID);
10037 if (rodi < 0)
10038 goto out_not_found;
10039
10040 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10041
10042 if (len != VENDOR_ID_LEN)
10043 goto out_not_found;
10044
10045 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10046
10047 /* vendor specific info */
10048 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10049 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10050 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10051 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10052
10053 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10054 PCI_VPD_RO_KEYWORD_VENDOR0);
10055 if (rodi >= 0) {
10056 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10057
10058 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10059
10060 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10061 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10062 bp->fw_ver[len] = ' ';
10063 }
10064 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010065 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010066 return;
10067 }
10068out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010069 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010070 return;
10071}
10072
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010073static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10074{
10075 u32 flags = 0;
10076
10077 if (CHIP_REV_IS_FPGA(bp))
10078 SET_FLAGS(flags, MODE_FPGA);
10079 else if (CHIP_REV_IS_EMUL(bp))
10080 SET_FLAGS(flags, MODE_EMUL);
10081 else
10082 SET_FLAGS(flags, MODE_ASIC);
10083
10084 if (CHIP_MODE_IS_4_PORT(bp))
10085 SET_FLAGS(flags, MODE_PORT4);
10086 else
10087 SET_FLAGS(flags, MODE_PORT2);
10088
10089 if (CHIP_IS_E2(bp))
10090 SET_FLAGS(flags, MODE_E2);
10091 else if (CHIP_IS_E3(bp)) {
10092 SET_FLAGS(flags, MODE_E3);
10093 if (CHIP_REV(bp) == CHIP_REV_Ax)
10094 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010095 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10096 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010097 }
10098
10099 if (IS_MF(bp)) {
10100 SET_FLAGS(flags, MODE_MF);
10101 switch (bp->mf_mode) {
10102 case MULTI_FUNCTION_SD:
10103 SET_FLAGS(flags, MODE_MF_SD);
10104 break;
10105 case MULTI_FUNCTION_SI:
10106 SET_FLAGS(flags, MODE_MF_SI);
10107 break;
10108 }
10109 } else
10110 SET_FLAGS(flags, MODE_SF);
10111
10112#if defined(__LITTLE_ENDIAN)
10113 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
10114#else /*(__BIG_ENDIAN)*/
10115 SET_FLAGS(flags, MODE_BIG_ENDIAN);
10116#endif
10117 INIT_MODE_FLAGS(bp) = flags;
10118}
10119
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010120static int __devinit bnx2x_init_bp(struct bnx2x *bp)
10121{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010122 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010123 int rc;
10124
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010125 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070010126 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070010127 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +000010128#ifdef BCM_CNIC
10129 mutex_init(&bp->cnic_mutex);
10130#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010131
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010132 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000010133 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000010134 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010135 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010136 if (rc)
10137 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010138
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010139 bnx2x_set_modes_bitmap(bp);
10140
10141 rc = bnx2x_alloc_mem_bp(bp);
10142 if (rc)
10143 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010144
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010145 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010146
10147 func = BP_FUNC(bp);
10148
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010149 /* need to reset chip if undi was active */
10150 if (!BP_NOMCP(bp))
10151 bnx2x_undi_unload(bp);
10152
10153 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010154 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010155
10156 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010157 dev_err(&bp->pdev->dev, "MCP disabled, "
10158 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010159
Eilon Greenstein555f6c72009-02-12 08:36:11 +000010160 bp->multi_mode = multi_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +000010161
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010162 bp->disable_tpa = disable_tpa;
10163
10164#ifdef BCM_CNIC
10165 bp->disable_tpa |= IS_MF_ISCSI_SD(bp);
10166#endif
10167
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010168 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010169 if (bp->disable_tpa) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010170 bp->flags &= ~TPA_ENABLE_FLAG;
10171 bp->dev->features &= ~NETIF_F_LRO;
10172 } else {
10173 bp->flags |= TPA_ENABLE_FLAG;
10174 bp->dev->features |= NETIF_F_LRO;
10175 }
10176
Eilon Greensteina18f5122009-08-12 08:23:26 +000010177 if (CHIP_IS_E1(bp))
10178 bp->dropless_fc = 0;
10179 else
10180 bp->dropless_fc = dropless_fc;
10181
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000010182 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010183
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010184 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010185
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000010186 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010187 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
10188 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010189
Michal Schmidtfc543632012-02-14 09:05:46 +000010190 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010191
10192 init_timer(&bp->timer);
10193 bp->timer.expires = jiffies + bp->current_interval;
10194 bp->timer.data = (unsigned long) bp;
10195 bp->timer.function = bnx2x_timer;
10196
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010197 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000010198 bnx2x_dcbx_init_params(bp);
10199
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010200#ifdef BCM_CNIC
10201 if (CHIP_IS_E1x(bp))
10202 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
10203 else
10204 bp->cnic_base_cl_id = FP_SB_MAX_E2;
10205#endif
10206
Ariel Elior6383c0b2011-07-14 08:31:57 +000010207 /* multiple tx priority */
10208 if (CHIP_IS_E1x(bp))
10209 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
10210 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
10211 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
10212 if (CHIP_IS_E3B0(bp))
10213 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
10214
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010215 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010216}
10217
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010218
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010219/****************************************************************************
10220* General service functions
10221****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010222
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010223/*
10224 * net_device service functions
10225 */
10226
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010227/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010228static int bnx2x_open(struct net_device *dev)
10229{
10230 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010231 bool global = false;
10232 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000010233 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010234
Mintz Yuval1355b702012-02-15 02:10:22 +000010235 bp->stats_init = true;
10236
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000010237 netif_carrier_off(dev);
10238
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010239 bnx2x_set_power_state(bp, PCI_D0);
10240
Ariel Elior889b9af2012-01-26 06:01:51 +000010241 other_load_status = bnx2x_get_load_status(bp, other_engine);
10242 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010243
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010244 /*
10245 * If parity had happen during the unload, then attentions
10246 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
10247 * want the first function loaded on the current engine to
10248 * complete the recovery.
10249 */
10250 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
10251 bnx2x_chk_parity_attn(bp, &global, true))
10252 do {
10253 /*
10254 * If there are attentions and they are in a global
10255 * blocks, set the GLOBAL_RESET bit regardless whether
10256 * it will be this function that will complete the
10257 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010258 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010259 if (global)
10260 bnx2x_set_reset_global(bp);
10261
10262 /*
10263 * Only the first function on the current engine should
10264 * try to recover in open. In case of attentions in
10265 * global blocks only the first in the chip should try
10266 * to recover.
10267 */
Ariel Elior889b9af2012-01-26 06:01:51 +000010268 if ((!load_status &&
10269 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010270 bnx2x_trylock_leader_lock(bp) &&
10271 !bnx2x_leader_reset(bp)) {
10272 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010273 break;
10274 }
10275
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010276 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010277 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010278 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010279
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010280 netdev_err(bp->dev, "Recovery flow hasn't been properly"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010281 " completed yet. Try again later. If u still see this"
10282 " message after a few retries then power cycle is"
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010283 " required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010284
10285 return -EAGAIN;
10286 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010287
10288 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010289 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010290}
10291
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010292/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000010293static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010294{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010295 struct bnx2x *bp = netdev_priv(dev);
10296
10297 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010298 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010299
10300 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000010301 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010302
10303 return 0;
10304}
10305
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010306static inline int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
10307 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010308{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010309 int mc_count = netdev_mc_count(bp->dev);
10310 struct bnx2x_mcast_list_elem *mc_mac =
10311 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010312 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010313
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010314 if (!mc_mac)
10315 return -ENOMEM;
10316
10317 INIT_LIST_HEAD(&p->mcast_list);
10318
10319 netdev_for_each_mc_addr(ha, bp->dev) {
10320 mc_mac->mac = bnx2x_mc_addr(ha);
10321 list_add_tail(&mc_mac->link, &p->mcast_list);
10322 mc_mac++;
10323 }
10324
10325 p->mcast_list_len = mc_count;
10326
10327 return 0;
10328}
10329
10330static inline void bnx2x_free_mcast_macs_list(
10331 struct bnx2x_mcast_ramrod_params *p)
10332{
10333 struct bnx2x_mcast_list_elem *mc_mac =
10334 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
10335 link);
10336
10337 WARN_ON(!mc_mac);
10338 kfree(mc_mac);
10339}
10340
10341/**
10342 * bnx2x_set_uc_list - configure a new unicast MACs list.
10343 *
10344 * @bp: driver handle
10345 *
10346 * We will use zero (0) as a MAC type for these MACs.
10347 */
10348static inline int bnx2x_set_uc_list(struct bnx2x *bp)
10349{
10350 int rc;
10351 struct net_device *dev = bp->dev;
10352 struct netdev_hw_addr *ha;
10353 struct bnx2x_vlan_mac_obj *mac_obj = &bp->fp->mac_obj;
10354 unsigned long ramrod_flags = 0;
10355
10356 /* First schedule a cleanup up of old configuration */
10357 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
10358 if (rc < 0) {
10359 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
10360 return rc;
10361 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010362
10363 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010364 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
10365 BNX2X_UC_LIST_MAC, &ramrod_flags);
10366 if (rc < 0) {
10367 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
10368 rc);
10369 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010370 }
10371 }
10372
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010373 /* Execute the pending commands */
10374 __set_bit(RAMROD_CONT, &ramrod_flags);
10375 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
10376 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010377}
10378
10379static inline int bnx2x_set_mc_list(struct bnx2x *bp)
10380{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010381 struct net_device *dev = bp->dev;
10382 struct bnx2x_mcast_ramrod_params rparam = {0};
10383 int rc = 0;
10384
10385 rparam.mcast_obj = &bp->mcast_obj;
10386
10387 /* first, clear all configured multicast MACs */
10388 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
10389 if (rc < 0) {
10390 BNX2X_ERR("Failed to clear multicast "
10391 "configuration: %d\n", rc);
10392 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010393 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010394
10395 /* then, configure a new MACs list */
10396 if (netdev_mc_count(dev)) {
10397 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
10398 if (rc) {
10399 BNX2X_ERR("Failed to create multicast MACs "
10400 "list: %d\n", rc);
10401 return rc;
10402 }
10403
10404 /* Now add the new MACs */
10405 rc = bnx2x_config_mcast(bp, &rparam,
10406 BNX2X_MCAST_CMD_ADD);
10407 if (rc < 0)
10408 BNX2X_ERR("Failed to set a new multicast "
10409 "configuration: %d\n", rc);
10410
10411 bnx2x_free_mcast_macs_list(&rparam);
10412 }
10413
10414 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010415}
10416
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010417
10418/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010419void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010420{
10421 struct bnx2x *bp = netdev_priv(dev);
10422 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010423
10424 if (bp->state != BNX2X_STATE_OPEN) {
10425 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
10426 return;
10427 }
10428
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010429 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010430
10431 if (dev->flags & IFF_PROMISC)
10432 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010433 else if ((dev->flags & IFF_ALLMULTI) ||
10434 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
10435 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010436 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010437 else {
10438 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010439 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010440 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010441
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010442 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010443 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010444 }
10445
10446 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010447#ifdef BCM_CNIC
10448 /* handle ISCSI SD mode */
10449 if (IS_MF_ISCSI_SD(bp))
10450 bp->rx_mode = BNX2X_RX_MODE_NONE;
10451#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010452
10453 /* Schedule the rx_mode command */
10454 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
10455 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
10456 return;
10457 }
10458
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010459 bnx2x_set_storm_rx_mode(bp);
10460}
10461
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010462/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010463static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
10464 int devad, u16 addr)
10465{
10466 struct bnx2x *bp = netdev_priv(netdev);
10467 u16 value;
10468 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010469
10470 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
10471 prtad, devad, addr);
10472
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010473 /* The HW expects different devad if CL22 is used */
10474 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
10475
10476 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010477 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010478 bnx2x_release_phy_lock(bp);
10479 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
10480
10481 if (!rc)
10482 rc = value;
10483 return rc;
10484}
10485
10486/* called with rtnl_lock */
10487static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
10488 u16 addr, u16 value)
10489{
10490 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010491 int rc;
10492
10493 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
10494 " value 0x%x\n", prtad, devad, addr, value);
10495
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010496 /* The HW expects different devad if CL22 is used */
10497 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
10498
10499 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010500 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010501 bnx2x_release_phy_lock(bp);
10502 return rc;
10503}
10504
10505/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010506static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10507{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010508 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010509 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010510
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010511 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
10512 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010513
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010514 if (!netif_running(dev))
10515 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010516
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010517 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010518}
10519
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000010520#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010521static void poll_bnx2x(struct net_device *dev)
10522{
10523 struct bnx2x *bp = netdev_priv(dev);
10524
10525 disable_irq(bp->pdev->irq);
10526 bnx2x_interrupt(bp->pdev->irq, dev);
10527 enable_irq(bp->pdev->irq);
10528}
10529#endif
10530
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010531static int bnx2x_validate_addr(struct net_device *dev)
10532{
10533 struct bnx2x *bp = netdev_priv(dev);
10534
10535 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr))
10536 return -EADDRNOTAVAIL;
10537 return 0;
10538}
10539
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010540static const struct net_device_ops bnx2x_netdev_ops = {
10541 .ndo_open = bnx2x_open,
10542 .ndo_stop = bnx2x_close,
10543 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000010544 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010545 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010546 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010547 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010548 .ndo_do_ioctl = bnx2x_ioctl,
10549 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000010550 .ndo_fix_features = bnx2x_fix_features,
10551 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010552 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000010553#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010554 .ndo_poll_controller = poll_bnx2x,
10555#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000010556 .ndo_setup_tc = bnx2x_setup_tc,
10557
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010558#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
10559 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
10560#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010561};
10562
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010563static inline int bnx2x_set_coherency_mask(struct bnx2x *bp)
10564{
10565 struct device *dev = &bp->pdev->dev;
10566
10567 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
10568 bp->flags |= USING_DAC_FLAG;
10569 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
10570 dev_err(dev, "dma_set_coherent_mask failed, "
10571 "aborting\n");
10572 return -EIO;
10573 }
10574 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
10575 dev_err(dev, "System does not support DMA, aborting\n");
10576 return -EIO;
10577 }
10578
10579 return 0;
10580}
10581
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010582static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010583 struct net_device *dev,
10584 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010585{
10586 struct bnx2x *bp;
10587 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000010588 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000010589 bool chip_is_e1x = (board_type == BCM57710 ||
10590 board_type == BCM57711 ||
10591 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010592
10593 SET_NETDEV_DEV(dev, &pdev->dev);
10594 bp = netdev_priv(dev);
10595
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010596 bp->dev = dev;
10597 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010598 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010599
10600 rc = pci_enable_device(pdev);
10601 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010602 dev_err(&bp->pdev->dev,
10603 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010604 goto err_out;
10605 }
10606
10607 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010608 dev_err(&bp->pdev->dev,
10609 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010610 rc = -ENODEV;
10611 goto err_out_disable;
10612 }
10613
10614 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010615 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
10616 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010617 rc = -ENODEV;
10618 goto err_out_disable;
10619 }
10620
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010621 if (atomic_read(&pdev->enable_cnt) == 1) {
10622 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10623 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010624 dev_err(&bp->pdev->dev,
10625 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010626 goto err_out_disable;
10627 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010628
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010629 pci_set_master(pdev);
10630 pci_save_state(pdev);
10631 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010632
10633 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10634 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010635 dev_err(&bp->pdev->dev,
10636 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010637 rc = -EIO;
10638 goto err_out_release;
10639 }
10640
Jon Mason77c98e62011-06-27 07:45:12 +000010641 if (!pci_is_pcie(pdev)) {
10642 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010643 rc = -EIO;
10644 goto err_out_release;
10645 }
10646
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010647 rc = bnx2x_set_coherency_mask(bp);
10648 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010649 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010650
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010651 dev->mem_start = pci_resource_start(pdev, 0);
10652 dev->base_addr = dev->mem_start;
10653 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010654
10655 dev->irq = pdev->irq;
10656
Arjan van de Ven275f1652008-10-20 21:42:39 -070010657 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010658 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010659 dev_err(&bp->pdev->dev,
10660 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010661 rc = -ENOMEM;
10662 goto err_out_release;
10663 }
10664
Ariel Eliorc22610d02012-01-26 06:01:47 +000010665 /* In E1/E1H use pci device function given by kernel.
10666 * In E2/E3 read physical function from ME register since these chips
10667 * support Physical Device Assignment where kernel BDF maybe arbitrary
10668 * (depending on hypervisor).
10669 */
10670 if (chip_is_e1x)
10671 bp->pf_num = PCI_FUNC(pdev->devfn);
10672 else {/* chip is E2/3*/
10673 pci_read_config_dword(bp->pdev,
10674 PCICFG_ME_REGISTER, &pci_cfg_dword);
10675 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
10676 ME_REG_ABS_PF_NUM_SHIFT);
10677 }
10678 DP(BNX2X_MSG_SP, "me reg PF num: %d\n", bp->pf_num);
10679
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010680 bnx2x_set_power_state(bp, PCI_D0);
10681
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010682 /* clean indirect addresses */
10683 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10684 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040010685 /*
10686 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070010687 * is not used by the driver.
10688 */
10689 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
10690 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
10691 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
10692 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040010693
Ariel Elior65087cf2012-01-23 07:31:55 +000010694 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040010695 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
10696 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
10697 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
10698 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
10699 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010700
Shmulik Ravid21894002011-07-24 03:57:04 +000010701 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010702 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000010703 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010704 */
Ariel Elior65087cf2012-01-23 07:31:55 +000010705 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000010706 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010707
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010708 /* Reset the load counter */
Ariel Elior889b9af2012-01-26 06:01:51 +000010709 bnx2x_clear_load_status(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010710
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010711 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010712
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010713 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010714 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000010715
Jiri Pirko01789342011-08-16 06:29:00 +000010716 dev->priv_flags |= IFF_UNICAST_FLT;
10717
Michał Mirosław66371c42011-04-12 09:38:23 +000010718 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Michal Schmidt6e68c912011-08-23 06:15:32 +000010719 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_LRO |
10720 NETIF_F_RXCSUM | NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000010721
10722 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
10723 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
10724
10725 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010726 if (bp->flags & USING_DAC_FLAG)
10727 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010728
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000010729 /* Add Loopback capability to the device */
10730 dev->hw_features |= NETIF_F_LOOPBACK;
10731
Shmulik Ravid98507672011-02-28 12:19:55 -080010732#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010733 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
10734#endif
10735
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010736 /* get_port_hwinfo() will set prtad and mmds properly */
10737 bp->mdio.prtad = MDIO_PRTAD_NONE;
10738 bp->mdio.mmds = 0;
10739 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
10740 bp->mdio.dev = dev;
10741 bp->mdio.mdio_read = bnx2x_mdio_read;
10742 bp->mdio.mdio_write = bnx2x_mdio_write;
10743
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010744 return 0;
10745
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010746err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010747 if (atomic_read(&pdev->enable_cnt) == 1)
10748 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010749
10750err_out_disable:
10751 pci_disable_device(pdev);
10752 pci_set_drvdata(pdev, NULL);
10753
10754err_out:
10755 return rc;
10756}
10757
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010758static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
10759 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080010760{
10761 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10762
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010763 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10764
10765 /* return value of 1=2.5GHz 2=5GHz */
10766 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080010767}
10768
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000010769static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010770{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010771 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010772 struct bnx2x_fw_file_hdr *fw_hdr;
10773 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010774 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010775 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010776 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010777 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010778
10779 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
10780 return -EINVAL;
10781
10782 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
10783 sections = (struct bnx2x_fw_file_section *)fw_hdr;
10784
10785 /* Make sure none of the offsets and sizes make us read beyond
10786 * the end of the firmware data */
10787 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
10788 offset = be32_to_cpu(sections[i].offset);
10789 len = be32_to_cpu(sections[i].len);
10790 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010791 dev_err(&bp->pdev->dev,
10792 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010793 return -EINVAL;
10794 }
10795 }
10796
10797 /* Likewise for the init_ops offsets */
10798 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
10799 ops_offsets = (u16 *)(firmware->data + offset);
10800 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
10801
10802 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
10803 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010804 dev_err(&bp->pdev->dev,
10805 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010806 return -EINVAL;
10807 }
10808 }
10809
10810 /* Check FW version */
10811 offset = be32_to_cpu(fw_hdr->fw_version.offset);
10812 fw_ver = firmware->data + offset;
10813 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
10814 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
10815 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
10816 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010817 dev_err(&bp->pdev->dev,
10818 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010819 fw_ver[0], fw_ver[1], fw_ver[2],
10820 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
10821 BCM_5710_FW_MINOR_VERSION,
10822 BCM_5710_FW_REVISION_VERSION,
10823 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010824 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010825 }
10826
10827 return 0;
10828}
10829
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010830static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010831{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010832 const __be32 *source = (const __be32 *)_source;
10833 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010834 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010835
10836 for (i = 0; i < n/4; i++)
10837 target[i] = be32_to_cpu(source[i]);
10838}
10839
10840/*
10841 Ops array is stored in the following format:
10842 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
10843 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010844static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010845{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010846 const __be32 *source = (const __be32 *)_source;
10847 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010848 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010849
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010850 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010851 tmp = be32_to_cpu(source[j]);
10852 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010853 target[i].offset = tmp & 0xffffff;
10854 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010855 }
10856}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010857
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010858/**
10859 * IRO array is stored in the following format:
10860 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
10861 */
10862static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
10863{
10864 const __be32 *source = (const __be32 *)_source;
10865 struct iro *target = (struct iro *)_target;
10866 u32 i, j, tmp;
10867
10868 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
10869 target[i].base = be32_to_cpu(source[j]);
10870 j++;
10871 tmp = be32_to_cpu(source[j]);
10872 target[i].m1 = (tmp >> 16) & 0xffff;
10873 target[i].m2 = tmp & 0xffff;
10874 j++;
10875 tmp = be32_to_cpu(source[j]);
10876 target[i].m3 = (tmp >> 16) & 0xffff;
10877 target[i].size = tmp & 0xffff;
10878 j++;
10879 }
10880}
10881
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010882static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010883{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010884 const __be16 *source = (const __be16 *)_source;
10885 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010886 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010887
10888 for (i = 0; i < n/2; i++)
10889 target[i] = be16_to_cpu(source[i]);
10890}
10891
Joe Perches7995c642010-02-17 15:01:52 +000010892#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
10893do { \
10894 u32 len = be32_to_cpu(fw_hdr->arr.len); \
10895 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000010896 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000010897 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000010898 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
10899 (u8 *)bp->arr, len); \
10900} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010901
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000010902int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010903{
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010904 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000010905 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010906
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010907
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010908 if (!bp->firmware) {
10909 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010910
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010911 if (CHIP_IS_E1(bp))
10912 fw_file_name = FW_FILE_NAME_E1;
10913 else if (CHIP_IS_E1H(bp))
10914 fw_file_name = FW_FILE_NAME_E1H;
10915 else if (!CHIP_IS_E1x(bp))
10916 fw_file_name = FW_FILE_NAME_E2;
10917 else {
10918 BNX2X_ERR("Unsupported chip revision\n");
10919 return -EINVAL;
10920 }
10921 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010922
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010923 rc = request_firmware(&bp->firmware, fw_file_name,
10924 &bp->pdev->dev);
10925 if (rc) {
10926 BNX2X_ERR("Can't load firmware file %s\n",
10927 fw_file_name);
10928 goto request_firmware_exit;
10929 }
10930
10931 rc = bnx2x_check_firmware(bp);
10932 if (rc) {
10933 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
10934 goto request_firmware_exit;
10935 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010936 }
10937
10938 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
10939
10940 /* Initialize the pointers to the init arrays */
10941 /* Blob */
10942 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
10943
10944 /* Opcodes */
10945 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
10946
10947 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010948 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
10949 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010950
10951 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000010952 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10953 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
10954 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
10955 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
10956 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10957 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
10958 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
10959 be32_to_cpu(fw_hdr->usem_pram_data.offset);
10960 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10961 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
10962 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
10963 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
10964 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10965 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
10966 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
10967 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010968 /* IRO */
10969 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010970
10971 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010972
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010973iro_alloc_err:
10974 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010975init_offsets_alloc_err:
10976 kfree(bp->init_ops);
10977init_ops_alloc_err:
10978 kfree(bp->init_data);
10979request_firmware_exit:
10980 release_firmware(bp->firmware);
10981
10982 return rc;
10983}
10984
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010985static void bnx2x_release_firmware(struct bnx2x *bp)
10986{
10987 kfree(bp->init_ops_offsets);
10988 kfree(bp->init_ops);
10989 kfree(bp->init_data);
10990 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010991 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010992}
10993
10994
10995static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
10996 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
10997 .init_hw_cmn = bnx2x_init_hw_common,
10998 .init_hw_port = bnx2x_init_hw_port,
10999 .init_hw_func = bnx2x_init_hw_func,
11000
11001 .reset_hw_cmn = bnx2x_reset_common,
11002 .reset_hw_port = bnx2x_reset_port,
11003 .reset_hw_func = bnx2x_reset_func,
11004
11005 .gunzip_init = bnx2x_gunzip_init,
11006 .gunzip_end = bnx2x_gunzip_end,
11007
11008 .init_fw = bnx2x_init_firmware,
11009 .release_fw = bnx2x_release_firmware,
11010};
11011
11012void bnx2x__init_func_obj(struct bnx2x *bp)
11013{
11014 /* Prepare DMAE related driver resources */
11015 bnx2x_setup_dmae(bp);
11016
11017 bnx2x_init_func_obj(bp, &bp->func_obj,
11018 bnx2x_sp(bp, func_rdata),
11019 bnx2x_sp_mapping(bp, func_rdata),
11020 &bnx2x_func_sp_drv);
11021}
11022
11023/* must be called after sriov-enable */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011024static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011025{
Ariel Elior6383c0b2011-07-14 08:31:57 +000011026 int cid_count = BNX2X_L2_CID_COUNT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011027
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011028#ifdef BCM_CNIC
11029 cid_count += CNIC_CID_MAX;
11030#endif
11031 return roundup(cid_count, QM_CID_ROUND);
11032}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011033
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011034/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011035 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011036 *
11037 * @dev: pci device
11038 *
11039 */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011040static inline int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011041{
11042 int pos;
11043 u16 control;
11044
11045 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011046
Ariel Elior6383c0b2011-07-14 08:31:57 +000011047 /*
11048 * If MSI-X is not supported - return number of SBs needed to support
11049 * one fast path queue: one FP queue + SB for CNIC
11050 */
11051 if (!pos)
11052 return 1 + CNIC_PRESENT;
11053
11054 /*
11055 * The value in the PCI configuration space is the index of the last
11056 * entry, namely one less than the actual size of the table, which is
11057 * exactly what we want to return from this function: number of all SBs
11058 * without the default SB.
11059 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011060 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011061 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011062}
11063
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011064static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11065 const struct pci_device_id *ent)
11066{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011067 struct net_device *dev = NULL;
11068 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011069 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011070 int rc, max_non_def_sbs;
11071 int rx_count, tx_count, rss_count;
11072 /*
11073 * An estimated maximum supported CoS number according to the chip
11074 * version.
11075 * We will try to roughly estimate the maximum number of CoSes this chip
11076 * may support in order to minimize the memory allocated for Tx
11077 * netdev_queue's. This number will be accurately calculated during the
11078 * initialization of bp->max_cos based on the chip versions AND chip
11079 * revision in the bnx2x_init_bp().
11080 */
11081 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011082
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011083 switch (ent->driver_data) {
11084 case BCM57710:
11085 case BCM57711:
11086 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011087 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
11088 break;
11089
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011090 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011091 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011092 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
11093 break;
11094
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011095 case BCM57800:
11096 case BCM57800_MF:
11097 case BCM57810:
11098 case BCM57810_MF:
11099 case BCM57840:
11100 case BCM57840_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011101 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011102 break;
11103
11104 default:
11105 pr_err("Unknown board_type (%ld), aborting\n",
11106 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000011107 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011108 }
11109
Ariel Elior6383c0b2011-07-14 08:31:57 +000011110 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev);
11111
11112 /* !!! FIXME !!!
11113 * Do not allow the maximum SB count to grow above 16
11114 * since Special CIDs starts from 16*BNX2X_MULTI_TX_COS=48.
11115 * We will use the FP_SB_MAX_E1x macro for this matter.
11116 */
11117 max_non_def_sbs = min_t(int, FP_SB_MAX_E1x, max_non_def_sbs);
11118
11119 WARN_ON(!max_non_def_sbs);
11120
11121 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
11122 rss_count = max_non_def_sbs - CNIC_PRESENT;
11123
11124 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
11125 rx_count = rss_count + FCOE_PRESENT;
11126
11127 /*
11128 * Maximum number of netdev Tx queues:
11129 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
11130 */
11131 tx_count = MAX_TXQS_PER_COS * max_cos_est + FCOE_PRESENT;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011132
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011133 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011134 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000011135 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011136 return -ENOMEM;
11137
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011138 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011139
11140 DP(NETIF_MSG_DRV, "Allocated netdev with %d tx and %d rx queues\n",
11141 tx_count, rx_count);
11142
11143 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000011144 bp->msg_enable = debug;
Eilon Greensteindf4770de2009-08-12 08:23:28 +000011145 pci_set_drvdata(pdev, dev);
11146
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011147 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011148 if (rc < 0) {
11149 free_netdev(dev);
11150 return rc;
11151 }
11152
Joe Perches94f05b02011-08-14 12:16:20 +000011153 DP(NETIF_MSG_DRV, "max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011154
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011155 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000011156 if (rc)
11157 goto init_one_exit;
11158
Ariel Elior6383c0b2011-07-14 08:31:57 +000011159 /*
11160 * Map doorbels here as we need the real value of bp->max_cos which
11161 * is initialized in bnx2x_init_bp().
11162 */
11163 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
11164 min_t(u64, BNX2X_DB_SIZE(bp),
11165 pci_resource_len(pdev, 2)));
11166 if (!bp->doorbells) {
11167 dev_err(&bp->pdev->dev,
11168 "Cannot map doorbell space, aborting\n");
11169 rc = -ENOMEM;
11170 goto init_one_exit;
11171 }
11172
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011173 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011174 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011175
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011176#ifdef BCM_CNIC
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000011177 /* disable FCOE L2 queue for E1x */
11178 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011179 bp->flags |= NO_FCOE_FLAG;
11180
11181#endif
11182
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011183 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011184 * needed, set bp->num_queues appropriately.
11185 */
11186 bnx2x_set_int_mode(bp);
11187
11188 /* Add all NAPI objects */
11189 bnx2x_add_all_napi(bp);
11190
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080011191 rc = register_netdev(dev);
11192 if (rc) {
11193 dev_err(&pdev->dev, "Cannot register net device\n");
11194 goto init_one_exit;
11195 }
11196
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011197#ifdef BCM_CNIC
11198 if (!NO_FCOE(bp)) {
11199 /* Add storage MAC address */
11200 rtnl_lock();
11201 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11202 rtnl_unlock();
11203 }
11204#endif
11205
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011206 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011207
Joe Perches94f05b02011-08-14 12:16:20 +000011208 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx, IRQ %d, node addr %pM\n",
11209 board_info[ent->driver_data].name,
11210 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
11211 pcie_width,
11212 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
11213 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
11214 "5GHz (Gen2)" : "2.5GHz",
11215 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000011216
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011217 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011218
11219init_one_exit:
11220 if (bp->regview)
11221 iounmap(bp->regview);
11222
11223 if (bp->doorbells)
11224 iounmap(bp->doorbells);
11225
11226 free_netdev(dev);
11227
11228 if (atomic_read(&pdev->enable_cnt) == 1)
11229 pci_release_regions(pdev);
11230
11231 pci_disable_device(pdev);
11232 pci_set_drvdata(pdev, NULL);
11233
11234 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011235}
11236
11237static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
11238{
11239 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080011240 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011241
Eliezer Tamir228241e2008-02-28 11:56:57 -080011242 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011243 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080011244 return;
11245 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080011246 bp = netdev_priv(dev);
11247
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011248#ifdef BCM_CNIC
11249 /* Delete storage MAC address */
11250 if (!NO_FCOE(bp)) {
11251 rtnl_lock();
11252 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11253 rtnl_unlock();
11254 }
11255#endif
11256
Shmulik Ravid98507672011-02-28 12:19:55 -080011257#ifdef BCM_DCBNL
11258 /* Delete app tlvs from dcbnl */
11259 bnx2x_dcbnl_update_applist(bp, true);
11260#endif
11261
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011262 unregister_netdev(dev);
11263
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011264 /* Delete all NAPI objects */
11265 bnx2x_del_all_napi(bp);
11266
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011267 /* Power on: we can't let PCI layer write to us while we are in D3 */
11268 bnx2x_set_power_state(bp, PCI_D0);
11269
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011270 /* Disable MSI/MSI-X */
11271 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011272
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011273 /* Power off */
11274 bnx2x_set_power_state(bp, PCI_D3hot);
11275
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011276 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000011277 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011278
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011279 if (bp->regview)
11280 iounmap(bp->regview);
11281
11282 if (bp->doorbells)
11283 iounmap(bp->doorbells);
11284
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011285 bnx2x_release_firmware(bp);
11286
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011287 bnx2x_free_mem_bp(bp);
11288
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011289 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011290
11291 if (atomic_read(&pdev->enable_cnt) == 1)
11292 pci_release_regions(pdev);
11293
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011294 pci_disable_device(pdev);
11295 pci_set_drvdata(pdev, NULL);
11296}
11297
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011298static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
11299{
11300 int i;
11301
11302 bp->state = BNX2X_STATE_ERROR;
11303
11304 bp->rx_mode = BNX2X_RX_MODE_NONE;
11305
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011306#ifdef BCM_CNIC
11307 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
11308#endif
11309 /* Stop Tx */
11310 bnx2x_tx_disable(bp);
11311
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011312 bnx2x_netif_stop(bp, 0);
11313
11314 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011315
11316 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011317
11318 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011319 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011320
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011321 /* Free SKBs, SGEs, TPA pool and driver internals */
11322 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011323
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011324 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011325 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011326
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011327 bnx2x_free_mem(bp);
11328
11329 bp->state = BNX2X_STATE_CLOSED;
11330
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011331 netif_carrier_off(bp->dev);
11332
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011333 return 0;
11334}
11335
11336static void bnx2x_eeh_recover(struct bnx2x *bp)
11337{
11338 u32 val;
11339
11340 mutex_init(&bp->port.phy_mutex);
11341
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011342
11343 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
11344 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
11345 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
11346 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011347}
11348
Wendy Xiong493adb12008-06-23 20:36:22 -070011349/**
11350 * bnx2x_io_error_detected - called when PCI error is detected
11351 * @pdev: Pointer to PCI device
11352 * @state: The current pci connection state
11353 *
11354 * This function is called after a PCI bus error affecting
11355 * this device has been detected.
11356 */
11357static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
11358 pci_channel_state_t state)
11359{
11360 struct net_device *dev = pci_get_drvdata(pdev);
11361 struct bnx2x *bp = netdev_priv(dev);
11362
11363 rtnl_lock();
11364
11365 netif_device_detach(dev);
11366
Dean Nelson07ce50e2009-07-31 09:13:25 +000011367 if (state == pci_channel_io_perm_failure) {
11368 rtnl_unlock();
11369 return PCI_ERS_RESULT_DISCONNECT;
11370 }
11371
Wendy Xiong493adb12008-06-23 20:36:22 -070011372 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011373 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070011374
11375 pci_disable_device(pdev);
11376
11377 rtnl_unlock();
11378
11379 /* Request a slot reset */
11380 return PCI_ERS_RESULT_NEED_RESET;
11381}
11382
11383/**
11384 * bnx2x_io_slot_reset - called after the PCI bus has been reset
11385 * @pdev: Pointer to PCI device
11386 *
11387 * Restart the card from scratch, as if from a cold-boot.
11388 */
11389static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
11390{
11391 struct net_device *dev = pci_get_drvdata(pdev);
11392 struct bnx2x *bp = netdev_priv(dev);
11393
11394 rtnl_lock();
11395
11396 if (pci_enable_device(pdev)) {
11397 dev_err(&pdev->dev,
11398 "Cannot re-enable PCI device after reset\n");
11399 rtnl_unlock();
11400 return PCI_ERS_RESULT_DISCONNECT;
11401 }
11402
11403 pci_set_master(pdev);
11404 pci_restore_state(pdev);
11405
11406 if (netif_running(dev))
11407 bnx2x_set_power_state(bp, PCI_D0);
11408
11409 rtnl_unlock();
11410
11411 return PCI_ERS_RESULT_RECOVERED;
11412}
11413
11414/**
11415 * bnx2x_io_resume - called when traffic can start flowing again
11416 * @pdev: Pointer to PCI device
11417 *
11418 * This callback is called when the error recovery driver tells us that
11419 * its OK to resume normal operation.
11420 */
11421static void bnx2x_io_resume(struct pci_dev *pdev)
11422{
11423 struct net_device *dev = pci_get_drvdata(pdev);
11424 struct bnx2x *bp = netdev_priv(dev);
11425
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011426 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000011427 netdev_err(bp->dev, "Handling parity error recovery. "
11428 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011429 return;
11430 }
11431
Wendy Xiong493adb12008-06-23 20:36:22 -070011432 rtnl_lock();
11433
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011434 bnx2x_eeh_recover(bp);
11435
Wendy Xiong493adb12008-06-23 20:36:22 -070011436 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011437 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070011438
11439 netif_device_attach(dev);
11440
11441 rtnl_unlock();
11442}
11443
11444static struct pci_error_handlers bnx2x_err_handler = {
11445 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000011446 .slot_reset = bnx2x_io_slot_reset,
11447 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070011448};
11449
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011450static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070011451 .name = DRV_MODULE_NAME,
11452 .id_table = bnx2x_pci_tbl,
11453 .probe = bnx2x_init_one,
11454 .remove = __devexit_p(bnx2x_remove_one),
11455 .suspend = bnx2x_suspend,
11456 .resume = bnx2x_resume,
11457 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011458};
11459
11460static int __init bnx2x_init(void)
11461{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011462 int ret;
11463
Joe Perches7995c642010-02-17 15:01:52 +000011464 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000011465
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011466 bnx2x_wq = create_singlethread_workqueue("bnx2x");
11467 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000011468 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011469 return -ENOMEM;
11470 }
11471
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011472 ret = pci_register_driver(&bnx2x_pci_driver);
11473 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000011474 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011475 destroy_workqueue(bnx2x_wq);
11476 }
11477 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011478}
11479
11480static void __exit bnx2x_cleanup(void)
11481{
11482 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011483
11484 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011485}
11486
Yaniv Rosner3deb8162011-06-14 01:34:33 +000011487void bnx2x_notify_link_changed(struct bnx2x *bp)
11488{
11489 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
11490}
11491
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011492module_init(bnx2x_init);
11493module_exit(bnx2x_cleanup);
11494
Michael Chan993ac7b2009-10-10 13:46:56 +000011495#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011496/**
11497 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
11498 *
11499 * @bp: driver handle
11500 * @set: set or clear the CAM entry
11501 *
11502 * This function will wait until the ramdord completion returns.
11503 * Return 0 if success, -ENODEV if ramrod doesn't return.
11504 */
11505static inline int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
11506{
11507 unsigned long ramrod_flags = 0;
11508
11509 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
11510 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
11511 &bp->iscsi_l2_mac_obj, true,
11512 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
11513}
Michael Chan993ac7b2009-10-10 13:46:56 +000011514
11515/* count denotes the number of new completions we have seen */
11516static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
11517{
11518 struct eth_spe *spe;
11519
11520#ifdef BNX2X_STOP_ON_ERROR
11521 if (unlikely(bp->panic))
11522 return;
11523#endif
11524
11525 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011526 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000011527 bp->cnic_spq_pending -= count;
11528
Michael Chan993ac7b2009-10-10 13:46:56 +000011529
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011530 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
11531 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
11532 & SPE_HDR_CONN_TYPE) >>
11533 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011534 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
11535 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011536
11537 /* Set validation for iSCSI L2 client before sending SETUP
11538 * ramrod
11539 */
11540 if (type == ETH_CONNECTION_TYPE) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011541 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011542 bnx2x_set_ctx_validation(bp, &bp->context.
11543 vcxt[BNX2X_ISCSI_ETH_CID].eth,
11544 BNX2X_ISCSI_ETH_CID);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011545 }
11546
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011547 /*
11548 * There may be not more than 8 L2, not more than 8 L5 SPEs
11549 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011550 * COMMON ramrods is not more than the EQ and SPQ can
11551 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011552 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011553 if (type == ETH_CONNECTION_TYPE) {
11554 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011555 break;
11556 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011557 atomic_dec(&bp->cq_spq_left);
11558 } else if (type == NONE_CONNECTION_TYPE) {
11559 if (!atomic_read(&bp->eq_spq_left))
11560 break;
11561 else
11562 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011563 } else if ((type == ISCSI_CONNECTION_TYPE) ||
11564 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011565 if (bp->cnic_spq_pending >=
11566 bp->cnic_eth_dev.max_kwqe_pending)
11567 break;
11568 else
11569 bp->cnic_spq_pending++;
11570 } else {
11571 BNX2X_ERR("Unknown SPE type: %d\n", type);
11572 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000011573 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011574 }
Michael Chan993ac7b2009-10-10 13:46:56 +000011575
11576 spe = bnx2x_sp_get_next(bp);
11577 *spe = *bp->cnic_kwq_cons;
11578
Michael Chan993ac7b2009-10-10 13:46:56 +000011579 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
11580 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
11581
11582 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
11583 bp->cnic_kwq_cons = bp->cnic_kwq;
11584 else
11585 bp->cnic_kwq_cons++;
11586 }
11587 bnx2x_sp_prod_update(bp);
11588 spin_unlock_bh(&bp->spq_lock);
11589}
11590
11591static int bnx2x_cnic_sp_queue(struct net_device *dev,
11592 struct kwqe_16 *kwqes[], u32 count)
11593{
11594 struct bnx2x *bp = netdev_priv(dev);
11595 int i;
11596
11597#ifdef BNX2X_STOP_ON_ERROR
11598 if (unlikely(bp->panic))
11599 return -EIO;
11600#endif
11601
Ariel Elior95c6c6162012-01-26 06:01:52 +000011602 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
11603 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
11604 netdev_err(dev, "Handling parity error recovery. Try again "
11605 "later\n");
11606 return -EAGAIN;
11607 }
11608
Michael Chan993ac7b2009-10-10 13:46:56 +000011609 spin_lock_bh(&bp->spq_lock);
11610
11611 for (i = 0; i < count; i++) {
11612 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
11613
11614 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
11615 break;
11616
11617 *bp->cnic_kwq_prod = *spe;
11618
11619 bp->cnic_kwq_pending++;
11620
11621 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
11622 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011623 spe->data.update_data_addr.hi,
11624 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000011625 bp->cnic_kwq_pending);
11626
11627 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
11628 bp->cnic_kwq_prod = bp->cnic_kwq;
11629 else
11630 bp->cnic_kwq_prod++;
11631 }
11632
11633 spin_unlock_bh(&bp->spq_lock);
11634
11635 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
11636 bnx2x_cnic_sp_post(bp, 0);
11637
11638 return i;
11639}
11640
11641static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
11642{
11643 struct cnic_ops *c_ops;
11644 int rc = 0;
11645
11646 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000011647 c_ops = rcu_dereference_protected(bp->cnic_ops,
11648 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000011649 if (c_ops)
11650 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
11651 mutex_unlock(&bp->cnic_mutex);
11652
11653 return rc;
11654}
11655
11656static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
11657{
11658 struct cnic_ops *c_ops;
11659 int rc = 0;
11660
11661 rcu_read_lock();
11662 c_ops = rcu_dereference(bp->cnic_ops);
11663 if (c_ops)
11664 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
11665 rcu_read_unlock();
11666
11667 return rc;
11668}
11669
11670/*
11671 * for commands that have no data
11672 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011673int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000011674{
11675 struct cnic_ctl_info ctl = {0};
11676
11677 ctl.cmd = cmd;
11678
11679 return bnx2x_cnic_ctl_send(bp, &ctl);
11680}
11681
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011682static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000011683{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011684 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000011685
11686 /* first we tell CNIC and only then we count this as a completion */
11687 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
11688 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011689 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000011690
11691 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011692 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000011693}
11694
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011695
11696/* Called with netif_addr_lock_bh() taken.
11697 * Sets an rx_mode config for an iSCSI ETH client.
11698 * Doesn't block.
11699 * Completion should be checked outside.
11700 */
11701static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
11702{
11703 unsigned long accept_flags = 0, ramrod_flags = 0;
11704 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
11705 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
11706
11707 if (start) {
11708 /* Start accepting on iSCSI L2 ring. Accept all multicasts
11709 * because it's the only way for UIO Queue to accept
11710 * multicasts (in non-promiscuous mode only one Queue per
11711 * function will receive multicast packets (leading in our
11712 * case).
11713 */
11714 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
11715 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
11716 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
11717 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
11718
11719 /* Clear STOP_PENDING bit if START is requested */
11720 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
11721
11722 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
11723 } else
11724 /* Clear START_PENDING bit if STOP is requested */
11725 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
11726
11727 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
11728 set_bit(sched_state, &bp->sp_state);
11729 else {
11730 __set_bit(RAMROD_RX, &ramrod_flags);
11731 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
11732 ramrod_flags);
11733 }
11734}
11735
11736
Michael Chan993ac7b2009-10-10 13:46:56 +000011737static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
11738{
11739 struct bnx2x *bp = netdev_priv(dev);
11740 int rc = 0;
11741
11742 switch (ctl->cmd) {
11743 case DRV_CTL_CTXTBL_WR_CMD: {
11744 u32 index = ctl->data.io.offset;
11745 dma_addr_t addr = ctl->data.io.dma_addr;
11746
11747 bnx2x_ilt_wr(bp, index, addr);
11748 break;
11749 }
11750
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011751 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
11752 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000011753
11754 bnx2x_cnic_sp_post(bp, count);
11755 break;
11756 }
11757
11758 /* rtnl_lock is held. */
11759 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011760 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11761 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000011762
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011763 /* Configure the iSCSI classification object */
11764 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
11765 cp->iscsi_l2_client_id,
11766 cp->iscsi_l2_cid, BP_FUNC(bp),
11767 bnx2x_sp(bp, mac_rdata),
11768 bnx2x_sp_mapping(bp, mac_rdata),
11769 BNX2X_FILTER_MAC_PENDING,
11770 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
11771 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011772
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011773 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011774 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
11775 if (rc)
11776 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011777
11778 mmiowb();
11779 barrier();
11780
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011781 /* Start accepting on iSCSI L2 ring */
11782
11783 netif_addr_lock_bh(dev);
11784 bnx2x_set_iscsi_eth_rx_mode(bp, true);
11785 netif_addr_unlock_bh(dev);
11786
11787 /* bits to wait on */
11788 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
11789 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
11790
11791 if (!bnx2x_wait_sp_comp(bp, sp_bits))
11792 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011793
Michael Chan993ac7b2009-10-10 13:46:56 +000011794 break;
11795 }
11796
11797 /* rtnl_lock is held. */
11798 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011799 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000011800
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011801 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011802 netif_addr_lock_bh(dev);
11803 bnx2x_set_iscsi_eth_rx_mode(bp, false);
11804 netif_addr_unlock_bh(dev);
11805
11806 /* bits to wait on */
11807 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
11808 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
11809
11810 if (!bnx2x_wait_sp_comp(bp, sp_bits))
11811 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011812
11813 mmiowb();
11814 barrier();
11815
11816 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011817 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
11818 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000011819 break;
11820 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011821 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
11822 int count = ctl->data.credit.credit_count;
11823
11824 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011825 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011826 smp_mb__after_atomic_inc();
11827 break;
11828 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000011829 case DRV_CTL_ULP_REGISTER_CMD: {
11830 int ulp_type = ctl->data.ulp_type;
11831
11832 if (CHIP_IS_E3(bp)) {
11833 int idx = BP_FW_MB_IDX(bp);
11834 u32 cap;
11835
11836 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
11837 if (ulp_type == CNIC_ULP_ISCSI)
11838 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
11839 else if (ulp_type == CNIC_ULP_FCOE)
11840 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
11841 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
11842 }
11843 break;
11844 }
11845 case DRV_CTL_ULP_UNREGISTER_CMD: {
11846 int ulp_type = ctl->data.ulp_type;
11847
11848 if (CHIP_IS_E3(bp)) {
11849 int idx = BP_FW_MB_IDX(bp);
11850 u32 cap;
11851
11852 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
11853 if (ulp_type == CNIC_ULP_ISCSI)
11854 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
11855 else if (ulp_type == CNIC_ULP_FCOE)
11856 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
11857 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
11858 }
11859 break;
11860 }
Michael Chan993ac7b2009-10-10 13:46:56 +000011861
11862 default:
11863 BNX2X_ERR("unknown command %x\n", ctl->cmd);
11864 rc = -EINVAL;
11865 }
11866
11867 return rc;
11868}
11869
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011870void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000011871{
11872 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11873
11874 if (bp->flags & USING_MSIX_FLAG) {
11875 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
11876 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
11877 cp->irq_arr[0].vector = bp->msix_table[1].vector;
11878 } else {
11879 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
11880 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
11881 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011882 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011883 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
11884 else
11885 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
11886
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011887 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
11888 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000011889 cp->irq_arr[1].status_blk = bp->def_status_blk;
11890 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011891 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000011892
11893 cp->num_irq = 2;
11894}
11895
11896static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
11897 void *data)
11898{
11899 struct bnx2x *bp = netdev_priv(dev);
11900 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11901
11902 if (ops == NULL)
11903 return -EINVAL;
11904
Michael Chan993ac7b2009-10-10 13:46:56 +000011905 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
11906 if (!bp->cnic_kwq)
11907 return -ENOMEM;
11908
11909 bp->cnic_kwq_cons = bp->cnic_kwq;
11910 bp->cnic_kwq_prod = bp->cnic_kwq;
11911 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
11912
11913 bp->cnic_spq_pending = 0;
11914 bp->cnic_kwq_pending = 0;
11915
11916 bp->cnic_data = data;
11917
11918 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011919 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011920 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000011921
Michael Chan993ac7b2009-10-10 13:46:56 +000011922 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011923
Michael Chan993ac7b2009-10-10 13:46:56 +000011924 rcu_assign_pointer(bp->cnic_ops, ops);
11925
11926 return 0;
11927}
11928
11929static int bnx2x_unregister_cnic(struct net_device *dev)
11930{
11931 struct bnx2x *bp = netdev_priv(dev);
11932 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11933
11934 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000011935 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000011936 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000011937 mutex_unlock(&bp->cnic_mutex);
11938 synchronize_rcu();
11939 kfree(bp->cnic_kwq);
11940 bp->cnic_kwq = NULL;
11941
11942 return 0;
11943}
11944
11945struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
11946{
11947 struct bnx2x *bp = netdev_priv(dev);
11948 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11949
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011950 /* If both iSCSI and FCoE are disabled - return NULL in
11951 * order to indicate CNIC that it should not try to work
11952 * with this device.
11953 */
11954 if (NO_ISCSI(bp) && NO_FCOE(bp))
11955 return NULL;
11956
Michael Chan993ac7b2009-10-10 13:46:56 +000011957 cp->drv_owner = THIS_MODULE;
11958 cp->chip_id = CHIP_ID(bp);
11959 cp->pdev = bp->pdev;
11960 cp->io_base = bp->regview;
11961 cp->io_base2 = bp->doorbells;
11962 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011963 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011964 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
11965 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000011966 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011967 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000011968 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
11969 cp->drv_ctl = bnx2x_drv_ctl;
11970 cp->drv_register_cnic = bnx2x_register_cnic;
11971 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011972 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011973 cp->iscsi_l2_client_id =
11974 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011975 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000011976
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011977 if (NO_ISCSI_OOO(bp))
11978 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
11979
11980 if (NO_ISCSI(bp))
11981 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
11982
11983 if (NO_FCOE(bp))
11984 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
11985
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011986 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
11987 "starting cid %d\n",
11988 cp->ctx_blk_size,
11989 cp->ctx_tbl_offset,
11990 cp->ctx_tbl_len,
11991 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000011992 return cp;
11993}
11994EXPORT_SYMBOL(bnx2x_cnic_probe);
11995
11996#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011997