blob: 816e7d42f61c35e30e4e379d8b554dadbeefe9dc [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);
Dmitry Kravkov621b4d62012-02-20 09:59:08 +00002705 if (fp->mode == TPA_MODE_GRO)
2706 __set_bit(BNX2X_Q_FLG_TPA_GRO, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002707 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002708
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002709 if (leading) {
2710 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2711 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2712 }
2713
2714 /* Always set HW VLAN stripping */
2715 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002716
Ariel Elior6383c0b2011-07-14 08:31:57 +00002717
2718 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002719}
2720
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002721static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002722 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2723 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002724{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002725 gen_init->stat_id = bnx2x_stats_id(fp);
2726 gen_init->spcl_id = fp->cl_id;
2727
2728 /* Always use mini-jumbo MTU for FCoE L2 ring */
2729 if (IS_FCOE_FP(fp))
2730 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2731 else
2732 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002733
2734 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002735}
2736
2737static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2738 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2739 struct bnx2x_rxq_setup_params *rxq_init)
2740{
2741 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002742 u16 sge_sz = 0;
2743 u16 tpa_agg_size = 0;
2744
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002745 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002746 pause->sge_th_lo = SGE_TH_LO(bp);
2747 pause->sge_th_hi = SGE_TH_HI(bp);
2748
2749 /* validate SGE ring has enough to cross high threshold */
2750 WARN_ON(bp->dropless_fc &&
2751 pause->sge_th_hi + FW_PREFETCH_CNT >
2752 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2753
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002754 tpa_agg_size = min_t(u32,
2755 (min_t(u32, 8, MAX_SKB_FRAGS) *
2756 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2757 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2758 SGE_PAGE_SHIFT;
2759 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2760 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2761 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2762 0xffff);
2763 }
2764
2765 /* pause - not for e1 */
2766 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002767 pause->bd_th_lo = BD_TH_LO(bp);
2768 pause->bd_th_hi = BD_TH_HI(bp);
2769
2770 pause->rcq_th_lo = RCQ_TH_LO(bp);
2771 pause->rcq_th_hi = RCQ_TH_HI(bp);
2772 /*
2773 * validate that rings have enough entries to cross
2774 * high thresholds
2775 */
2776 WARN_ON(bp->dropless_fc &&
2777 pause->bd_th_hi + FW_PREFETCH_CNT >
2778 bp->rx_ring_size);
2779 WARN_ON(bp->dropless_fc &&
2780 pause->rcq_th_hi + FW_PREFETCH_CNT >
2781 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002782
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002783 pause->pri_map = 1;
2784 }
2785
2786 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002787 rxq_init->dscr_map = fp->rx_desc_mapping;
2788 rxq_init->sge_map = fp->rx_sge_mapping;
2789 rxq_init->rcq_map = fp->rx_comp_mapping;
2790 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002791
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002792 /* This should be a maximum number of data bytes that may be
2793 * placed on the BD (not including paddings).
2794 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002795 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2796 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002797
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002798 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002799 rxq_init->tpa_agg_sz = tpa_agg_size;
2800 rxq_init->sge_buf_sz = sge_sz;
2801 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002802 rxq_init->rss_engine_id = BP_FUNC(bp);
2803
2804 /* Maximum number or simultaneous TPA aggregation for this Queue.
2805 *
2806 * For PF Clients it should be the maximum avaliable number.
2807 * VF driver(s) may want to define it to a smaller value.
2808 */
David S. Miller8decf862011-09-22 03:23:13 -04002809 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002810
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002811 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2812 rxq_init->fw_sb_id = fp->fw_sb_id;
2813
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002814 if (IS_FCOE_FP(fp))
2815 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2816 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002817 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002818}
2819
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002820static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002821 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2822 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002823{
Ariel Elior6383c0b2011-07-14 08:31:57 +00002824 txq_init->dscr_map = fp->txdata[cos].tx_desc_mapping;
2825 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002826 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2827 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002828
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002829 /*
2830 * set the tss leading client id for TX classfication ==
2831 * leading RSS client id
2832 */
2833 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2834
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002835 if (IS_FCOE_FP(fp)) {
2836 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2837 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2838 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002839}
2840
stephen hemminger8d962862010-10-21 07:50:56 +00002841static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002842{
2843 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002844 struct event_ring_data eq_data = { {0} };
2845 u16 flags;
2846
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002847 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002848 /* reset IGU PF statistics: MSIX + ATTN */
2849 /* PF */
2850 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2851 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2852 (CHIP_MODE_IS_4_PORT(bp) ?
2853 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2854 /* ATTN */
2855 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2856 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2857 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2858 (CHIP_MODE_IS_4_PORT(bp) ?
2859 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2860 }
2861
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002862 /* function setup flags */
2863 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2864
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002865 /* This flag is relevant for E1x only.
2866 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002867 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002868 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002869
2870 func_init.func_flgs = flags;
2871 func_init.pf_id = BP_FUNC(bp);
2872 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002873 func_init.spq_map = bp->spq_mapping;
2874 func_init.spq_prod = bp->spq_prod_idx;
2875
2876 bnx2x_func_init(bp, &func_init);
2877
2878 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2879
2880 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002881 * Congestion management values depend on the link rate
2882 * There is no active link so initial link rate is set to 10 Gbps.
2883 * When the link comes up The congestion management values are
2884 * re-calculated according to the actual link rate.
2885 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002886 bp->link_vars.line_speed = SPEED_10000;
2887 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2888
2889 /* Only the PMF sets the HW */
2890 if (bp->port.pmf)
2891 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2892
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002893 /* init Event Queue */
2894 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2895 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2896 eq_data.producer = bp->eq_prod;
2897 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2898 eq_data.sb_id = DEF_SB_ID;
2899 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2900}
2901
2902
Eilon Greenstein2691d512009-08-12 08:22:08 +00002903static void bnx2x_e1h_disable(struct bnx2x *bp)
2904{
2905 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002906
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002907 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002908
2909 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002910}
2911
2912static void bnx2x_e1h_enable(struct bnx2x *bp)
2913{
2914 int port = BP_PORT(bp);
2915
2916 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2917
Eilon Greenstein2691d512009-08-12 08:22:08 +00002918 /* Tx queue should be only reenabled */
2919 netif_tx_wake_all_queues(bp->dev);
2920
Eilon Greenstein061bc702009-10-15 00:18:47 -07002921 /*
2922 * Should not call netif_carrier_on since it will be called if the link
2923 * is up when checking for link state
2924 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002925}
2926
Barak Witkowski1d187b32011-12-05 22:41:50 +00002927#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
2928
2929static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
2930{
2931 struct eth_stats_info *ether_stat =
2932 &bp->slowpath->drv_info_to_mcp.ether_stat;
2933
2934 /* leave last char as NULL */
2935 memcpy(ether_stat->version, DRV_MODULE_VERSION,
2936 ETH_STAT_INFO_VERSION_LEN - 1);
2937
2938 bp->fp[0].mac_obj.get_n_elements(bp, &bp->fp[0].mac_obj,
2939 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
2940 ether_stat->mac_local);
2941
2942 ether_stat->mtu_size = bp->dev->mtu;
2943
2944 if (bp->dev->features & NETIF_F_RXCSUM)
2945 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
2946 if (bp->dev->features & NETIF_F_TSO)
2947 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
2948 ether_stat->feature_flags |= bp->common.boot_mode;
2949
2950 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
2951
2952 ether_stat->txq_size = bp->tx_ring_size;
2953 ether_stat->rxq_size = bp->rx_ring_size;
2954}
2955
2956static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
2957{
Michael Chanf2fd5c32011-12-06 10:58:08 +00002958#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00002959 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
2960 struct fcoe_stats_info *fcoe_stat =
2961 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
2962
2963 memcpy(fcoe_stat->mac_local, bp->fip_mac, ETH_ALEN);
2964
2965 fcoe_stat->qos_priority =
2966 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
2967
2968 /* insert FCoE stats from ramrod response */
2969 if (!NO_FCOE(bp)) {
2970 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
2971 &bp->fw_stats_data->queue_stats[FCOE_IDX].
2972 tstorm_queue_statistics;
2973
2974 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
2975 &bp->fw_stats_data->queue_stats[FCOE_IDX].
2976 xstorm_queue_statistics;
2977
2978 struct fcoe_statistics_params *fw_fcoe_stat =
2979 &bp->fw_stats_data->fcoe;
2980
2981 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
2982 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
2983
2984 ADD_64(fcoe_stat->rx_bytes_hi,
2985 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
2986 fcoe_stat->rx_bytes_lo,
2987 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
2988
2989 ADD_64(fcoe_stat->rx_bytes_hi,
2990 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
2991 fcoe_stat->rx_bytes_lo,
2992 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
2993
2994 ADD_64(fcoe_stat->rx_bytes_hi,
2995 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
2996 fcoe_stat->rx_bytes_lo,
2997 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
2998
2999 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3000 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3001
3002 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3003 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3004
3005 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3006 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3007
3008 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003009 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003010
3011 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3012 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3013
3014 ADD_64(fcoe_stat->tx_bytes_hi,
3015 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3016 fcoe_stat->tx_bytes_lo,
3017 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3018
3019 ADD_64(fcoe_stat->tx_bytes_hi,
3020 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3021 fcoe_stat->tx_bytes_lo,
3022 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3023
3024 ADD_64(fcoe_stat->tx_bytes_hi,
3025 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3026 fcoe_stat->tx_bytes_lo,
3027 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3028
3029 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3030 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3031
3032 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3033 fcoe_q_xstorm_stats->ucast_pkts_sent);
3034
3035 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3036 fcoe_q_xstorm_stats->bcast_pkts_sent);
3037
3038 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3039 fcoe_q_xstorm_stats->mcast_pkts_sent);
3040 }
3041
Barak Witkowski1d187b32011-12-05 22:41:50 +00003042 /* ask L5 driver to add data to the struct */
3043 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
3044#endif
3045}
3046
3047static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3048{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003049#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003050 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3051 struct iscsi_stats_info *iscsi_stat =
3052 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3053
3054 memcpy(iscsi_stat->mac_local, bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
3055
3056 iscsi_stat->qos_priority =
3057 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3058
Barak Witkowski1d187b32011-12-05 22:41:50 +00003059 /* ask L5 driver to add data to the struct */
3060 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
3061#endif
3062}
3063
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003064/* called due to MCP event (on pmf):
3065 * reread new bandwidth configuration
3066 * configure FW
3067 * notify others function about the change
3068 */
3069static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
3070{
3071 if (bp->link_vars.link_up) {
3072 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3073 bnx2x_link_sync_notify(bp);
3074 }
3075 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3076}
3077
3078static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
3079{
3080 bnx2x_config_mf_bw(bp);
3081 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3082}
3083
Barak Witkowski1d187b32011-12-05 22:41:50 +00003084static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3085{
3086 enum drv_info_opcode op_code;
3087 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3088
3089 /* if drv_info version supported by MFW doesn't match - send NACK */
3090 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3091 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3092 return;
3093 }
3094
3095 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3096 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3097
3098 memset(&bp->slowpath->drv_info_to_mcp, 0,
3099 sizeof(union drv_info_to_mcp));
3100
3101 switch (op_code) {
3102 case ETH_STATS_OPCODE:
3103 bnx2x_drv_info_ether_stat(bp);
3104 break;
3105 case FCOE_STATS_OPCODE:
3106 bnx2x_drv_info_fcoe_stat(bp);
3107 break;
3108 case ISCSI_STATS_OPCODE:
3109 bnx2x_drv_info_iscsi_stat(bp);
3110 break;
3111 default:
3112 /* if op code isn't supported - send NACK */
3113 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3114 return;
3115 }
3116
3117 /* if we got drv_info attn from MFW then these fields are defined in
3118 * shmem2 for sure
3119 */
3120 SHMEM2_WR(bp, drv_info_host_addr_lo,
3121 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3122 SHMEM2_WR(bp, drv_info_host_addr_hi,
3123 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3124
3125 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3126}
3127
Eilon Greenstein2691d512009-08-12 08:22:08 +00003128static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3129{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003130 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003131
3132 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3133
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003134 /*
3135 * This is the only place besides the function initialization
3136 * where the bp->flags can change so it is done without any
3137 * locks
3138 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003139 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00003140 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003141 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003142
3143 bnx2x_e1h_disable(bp);
3144 } else {
3145 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003146 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003147
3148 bnx2x_e1h_enable(bp);
3149 }
3150 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3151 }
3152 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003153 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003154 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3155 }
3156
3157 /* Report results to MCP */
3158 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003159 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003160 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003161 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003162}
3163
Michael Chan28912902009-10-10 13:46:53 +00003164/* must be called under the spq lock */
3165static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
3166{
3167 struct eth_spe *next_spe = bp->spq_prod_bd;
3168
3169 if (bp->spq_prod_bd == bp->spq_last_bd) {
3170 bp->spq_prod_bd = bp->spq;
3171 bp->spq_prod_idx = 0;
3172 DP(NETIF_MSG_TIMER, "end of spq\n");
3173 } else {
3174 bp->spq_prod_bd++;
3175 bp->spq_prod_idx++;
3176 }
3177 return next_spe;
3178}
3179
3180/* must be called under the spq lock */
3181static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
3182{
3183 int func = BP_FUNC(bp);
3184
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003185 /*
3186 * Make sure that BD data is updated before writing the producer:
3187 * BD data is written to the memory, the producer is read from the
3188 * memory, thus we need a full memory barrier to ensure the ordering.
3189 */
3190 mb();
Michael Chan28912902009-10-10 13:46:53 +00003191
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003192 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003193 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00003194 mmiowb();
3195}
3196
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003197/**
3198 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3199 *
3200 * @cmd: command to check
3201 * @cmd_type: command type
3202 */
3203static inline bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
3204{
3205 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003206 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003207 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3208 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3209 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3210 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3211 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3212 return true;
3213 else
3214 return false;
3215
3216}
3217
3218
3219/**
3220 * bnx2x_sp_post - place a single command on an SP ring
3221 *
3222 * @bp: driver handle
3223 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3224 * @cid: SW CID the command is related to
3225 * @data_hi: command private data address (high 32 bits)
3226 * @data_lo: command private data address (low 32 bits)
3227 * @cmd_type: command type (e.g. NONE, ETH)
3228 *
3229 * SP data is handled as if it's always an address pair, thus data fields are
3230 * not swapped to little endian in upper functions. Instead this function swaps
3231 * data as if it's two u32 fields.
3232 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003233int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003234 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003235{
Michael Chan28912902009-10-10 13:46:53 +00003236 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003237 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003238 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003239
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003240#ifdef BNX2X_STOP_ON_ERROR
3241 if (unlikely(bp->panic))
3242 return -EIO;
3243#endif
3244
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003245 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003246
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003247 if (common) {
3248 if (!atomic_read(&bp->eq_spq_left)) {
3249 BNX2X_ERR("BUG! EQ ring full!\n");
3250 spin_unlock_bh(&bp->spq_lock);
3251 bnx2x_panic();
3252 return -EBUSY;
3253 }
3254 } else if (!atomic_read(&bp->cq_spq_left)) {
3255 BNX2X_ERR("BUG! SPQ ring full!\n");
3256 spin_unlock_bh(&bp->spq_lock);
3257 bnx2x_panic();
3258 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003259 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003260
Michael Chan28912902009-10-10 13:46:53 +00003261 spe = bnx2x_sp_get_next(bp);
3262
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003263 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00003264 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003265 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3266 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003267
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003268 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003269
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003270 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3271 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003272
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003273 spe->hdr.type = cpu_to_le16(type);
3274
3275 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3276 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3277
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003278 /*
3279 * It's ok if the actual decrement is issued towards the memory
3280 * somewhere between the spin_lock and spin_unlock. Thus no
3281 * more explict memory barrier is needed.
3282 */
3283 if (common)
3284 atomic_dec(&bp->eq_spq_left);
3285 else
3286 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003287
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003288
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003289 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003290 "SPQE[%x] (%x:%x) (cmd, common?) (%d,%d) hw_cid %x data (%x:%x) "
3291 "type(0x%x) left (CQ, EQ) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003292 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3293 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003294 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003295 HW_CID(bp, cid), data_hi, data_lo, type,
3296 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003297
Michael Chan28912902009-10-10 13:46:53 +00003298 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003299 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003300 return 0;
3301}
3302
3303/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003304static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003305{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003306 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003307 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003308
3309 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003310 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003311 val = (1UL << 31);
3312 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3313 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3314 if (val & (1L << 31))
3315 break;
3316
3317 msleep(5);
3318 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003319 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003320 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003321 rc = -EBUSY;
3322 }
3323
3324 return rc;
3325}
3326
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003327/* release split MCP access lock register */
3328static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003329{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003330 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003331}
3332
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003333#define BNX2X_DEF_SB_ATT_IDX 0x0001
3334#define BNX2X_DEF_SB_IDX 0x0002
3335
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003336static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
3337{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003338 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003339 u16 rc = 0;
3340
3341 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003342 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3343 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003344 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003345 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003346
3347 if (bp->def_idx != def_sb->sp_sb.running_index) {
3348 bp->def_idx = def_sb->sp_sb.running_index;
3349 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003350 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003351
3352 /* Do not reorder: indecies reading should complete before handling */
3353 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003354 return rc;
3355}
3356
3357/*
3358 * slow path service functions
3359 */
3360
3361static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3362{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003363 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003364 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3365 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003366 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3367 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003368 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003369 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003370 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003371
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003372 if (bp->attn_state & asserted)
3373 BNX2X_ERR("IGU ERROR\n");
3374
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003375 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3376 aeu_mask = REG_RD(bp, aeu_addr);
3377
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003378 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003379 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003380 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003381 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003382
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003383 REG_WR(bp, aeu_addr, aeu_mask);
3384 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003385
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003386 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003387 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003388 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003389
3390 if (asserted & ATTN_HARD_WIRED_MASK) {
3391 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003392
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003393 bnx2x_acquire_phy_lock(bp);
3394
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003395 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003396 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003397
Yaniv Rosner361c3912011-06-14 01:33:19 +00003398 /* If nig_mask is not set, no need to call the update
3399 * function.
3400 */
3401 if (nig_mask) {
3402 REG_WR(bp, nig_int_mask_addr, 0);
3403
3404 bnx2x_link_attn(bp);
3405 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003406
3407 /* handle unicore attn? */
3408 }
3409 if (asserted & ATTN_SW_TIMER_4_FUNC)
3410 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3411
3412 if (asserted & GPIO_2_FUNC)
3413 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3414
3415 if (asserted & GPIO_3_FUNC)
3416 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3417
3418 if (asserted & GPIO_4_FUNC)
3419 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3420
3421 if (port == 0) {
3422 if (asserted & ATTN_GENERAL_ATTN_1) {
3423 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3424 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3425 }
3426 if (asserted & ATTN_GENERAL_ATTN_2) {
3427 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3428 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3429 }
3430 if (asserted & ATTN_GENERAL_ATTN_3) {
3431 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3432 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3433 }
3434 } else {
3435 if (asserted & ATTN_GENERAL_ATTN_4) {
3436 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3437 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3438 }
3439 if (asserted & ATTN_GENERAL_ATTN_5) {
3440 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3441 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3442 }
3443 if (asserted & ATTN_GENERAL_ATTN_6) {
3444 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3445 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3446 }
3447 }
3448
3449 } /* if hardwired */
3450
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003451 if (bp->common.int_block == INT_BLOCK_HC)
3452 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3453 COMMAND_REG_ATTN_BITS_SET);
3454 else
3455 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3456
3457 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3458 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3459 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003460
3461 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003462 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003463 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003464 bnx2x_release_phy_lock(bp);
3465 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003466}
3467
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003468static inline void bnx2x_fan_failure(struct bnx2x *bp)
3469{
3470 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003471 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003472 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003473 ext_phy_config =
3474 SHMEM_RD(bp,
3475 dev_info.port_hw_config[port].external_phy_config);
3476
3477 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3478 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003479 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003480 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003481
3482 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003483 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
3484 " the driver to shutdown the card to prevent permanent"
3485 " damage. Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003486
3487 /*
3488 * Scheudle device reset (unload)
3489 * This is due to some boards consuming sufficient power when driver is
3490 * up to overheat if fan fails.
3491 */
3492 smp_mb__before_clear_bit();
3493 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3494 smp_mb__after_clear_bit();
3495 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3496
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003497}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003498
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003499static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
3500{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003501 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003502 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003503 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003504
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003505 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3506 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003507
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003508 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003509
3510 val = REG_RD(bp, reg_offset);
3511 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3512 REG_WR(bp, reg_offset, val);
3513
3514 BNX2X_ERR("SPIO5 hw attention\n");
3515
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003516 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003517 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003518 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003519 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003520
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003521 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003522 bnx2x_acquire_phy_lock(bp);
3523 bnx2x_handle_module_detect_int(&bp->link_params);
3524 bnx2x_release_phy_lock(bp);
3525 }
3526
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003527 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3528
3529 val = REG_RD(bp, reg_offset);
3530 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3531 REG_WR(bp, reg_offset, val);
3532
3533 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003534 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003535 bnx2x_panic();
3536 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003537}
3538
3539static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3540{
3541 u32 val;
3542
Eilon Greenstein0626b892009-02-12 08:38:14 +00003543 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003544
3545 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3546 BNX2X_ERR("DB hw attention 0x%x\n", val);
3547 /* DORQ discard attention */
3548 if (val & 0x2)
3549 BNX2X_ERR("FATAL error from DORQ\n");
3550 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003551
3552 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3553
3554 int port = BP_PORT(bp);
3555 int reg_offset;
3556
3557 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3558 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3559
3560 val = REG_RD(bp, reg_offset);
3561 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3562 REG_WR(bp, reg_offset, val);
3563
3564 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003565 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003566 bnx2x_panic();
3567 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003568}
3569
3570static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3571{
3572 u32 val;
3573
3574 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3575
3576 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3577 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3578 /* CFC error attention */
3579 if (val & 0x2)
3580 BNX2X_ERR("FATAL error from CFC\n");
3581 }
3582
3583 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003584 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003585 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003586 /* RQ_USDMDP_FIFO_OVERFLOW */
3587 if (val & 0x18000)
3588 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003589
3590 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003591 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3592 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3593 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003594 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003595
3596 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3597
3598 int port = BP_PORT(bp);
3599 int reg_offset;
3600
3601 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3602 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3603
3604 val = REG_RD(bp, reg_offset);
3605 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3606 REG_WR(bp, reg_offset, val);
3607
3608 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003609 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003610 bnx2x_panic();
3611 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003612}
3613
3614static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3615{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003616 u32 val;
3617
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003618 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3619
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003620 if (attn & BNX2X_PMF_LINK_ASSERT) {
3621 int func = BP_FUNC(bp);
3622
3623 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003624 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3625 func_mf_config[BP_ABS_FUNC(bp)].config);
3626 val = SHMEM_RD(bp,
3627 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003628 if (val & DRV_STATUS_DCC_EVENT_MASK)
3629 bnx2x_dcc_event(bp,
3630 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003631
3632 if (val & DRV_STATUS_SET_MF_BW)
3633 bnx2x_set_mf_bw(bp);
3634
Barak Witkowski1d187b32011-12-05 22:41:50 +00003635 if (val & DRV_STATUS_DRV_INFO_REQ)
3636 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003637 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003638 bnx2x_pmf_update(bp);
3639
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003640 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003641 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3642 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003643 /* start dcbx state machine */
3644 bnx2x_dcbx_set_params(bp,
3645 BNX2X_DCBX_STATE_NEG_RECEIVED);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003646 if (bp->link_vars.periodic_flags &
3647 PERIODIC_FLAGS_LINK_EVENT) {
3648 /* sync with link */
3649 bnx2x_acquire_phy_lock(bp);
3650 bp->link_vars.periodic_flags &=
3651 ~PERIODIC_FLAGS_LINK_EVENT;
3652 bnx2x_release_phy_lock(bp);
3653 if (IS_MF(bp))
3654 bnx2x_link_sync_notify(bp);
3655 bnx2x_link_report(bp);
3656 }
3657 /* Always call it here: bnx2x_link_report() will
3658 * prevent the link indication duplication.
3659 */
3660 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003661 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003662
3663 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003664 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003665 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3666 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3667 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3668 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3669 bnx2x_panic();
3670
3671 } else if (attn & BNX2X_MCP_ASSERT) {
3672
3673 BNX2X_ERR("MCP assert!\n");
3674 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003675 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003676
3677 } else
3678 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3679 }
3680
3681 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003682 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3683 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003684 val = CHIP_IS_E1(bp) ? 0 :
3685 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003686 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3687 }
3688 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003689 val = CHIP_IS_E1(bp) ? 0 :
3690 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003691 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3692 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003693 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003694 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003695}
3696
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003697/*
3698 * Bits map:
3699 * 0-7 - Engine0 load counter.
3700 * 8-15 - Engine1 load counter.
3701 * 16 - Engine0 RESET_IN_PROGRESS bit.
3702 * 17 - Engine1 RESET_IN_PROGRESS bit.
3703 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3704 * on the engine
3705 * 19 - Engine1 ONE_IS_LOADED.
3706 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3707 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3708 * just the one belonging to its engine).
3709 *
3710 */
3711#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3712
3713#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3714#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3715#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3716#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3717#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3718#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3719#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003720
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003721/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003722 * Set the GLOBAL_RESET bit.
3723 *
3724 * Should be run under rtnl lock
3725 */
3726void bnx2x_set_reset_global(struct bnx2x *bp)
3727{
Ariel Eliorf16da432012-01-26 06:01:50 +00003728 u32 val;
3729 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3730 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003731 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003732 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003733}
3734
3735/*
3736 * Clear the GLOBAL_RESET bit.
3737 *
3738 * Should be run under rtnl lock
3739 */
3740static inline void bnx2x_clear_reset_global(struct bnx2x *bp)
3741{
Ariel Eliorf16da432012-01-26 06:01:50 +00003742 u32 val;
3743 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3744 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003745 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003746 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003747}
3748
3749/*
3750 * Checks the GLOBAL_RESET bit.
3751 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003752 * should be run under rtnl lock
3753 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003754static inline bool bnx2x_reset_is_global(struct bnx2x *bp)
3755{
3756 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3757
3758 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3759 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3760}
3761
3762/*
3763 * Clear RESET_IN_PROGRESS bit for the current engine.
3764 *
3765 * Should be run under rtnl lock
3766 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003767static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3768{
Ariel Eliorf16da432012-01-26 06:01:50 +00003769 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003770 u32 bit = BP_PATH(bp) ?
3771 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003772 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3773 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003774
3775 /* Clear the bit */
3776 val &= ~bit;
3777 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003778
3779 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003780}
3781
3782/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003783 * Set RESET_IN_PROGRESS for the current engine.
3784 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003785 * should be run under rtnl lock
3786 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003787void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003788{
Ariel Eliorf16da432012-01-26 06:01:50 +00003789 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003790 u32 bit = BP_PATH(bp) ?
3791 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003792 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3793 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003794
3795 /* Set the bit */
3796 val |= bit;
3797 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003798 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003799}
3800
3801/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003802 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003803 * should be run under rtnl lock
3804 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003805bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003806{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003807 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3808 u32 bit = engine ?
3809 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3810
3811 /* return false if bit is set */
3812 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003813}
3814
3815/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003816 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003817 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003818 * should be run under rtnl lock
3819 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003820void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003821{
Ariel Eliorf16da432012-01-26 06:01:50 +00003822 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003823 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3824 BNX2X_PATH0_LOAD_CNT_MASK;
3825 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3826 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003827
Ariel Eliorf16da432012-01-26 06:01:50 +00003828 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3829 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3830
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003831 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3832
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003833 /* get the current counter value */
3834 val1 = (val & mask) >> shift;
3835
Ariel Elior889b9af2012-01-26 06:01:51 +00003836 /* set bit of that PF */
3837 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003838
3839 /* clear the old value */
3840 val &= ~mask;
3841
3842 /* set the new one */
3843 val |= ((val1 << shift) & mask);
3844
3845 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003846 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003847}
3848
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003849/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003850 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003851 *
3852 * @bp: driver handle
3853 *
3854 * Should be run under rtnl lock.
3855 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003856 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003857 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003858bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003859{
Ariel Eliorf16da432012-01-26 06:01:50 +00003860 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003861 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3862 BNX2X_PATH0_LOAD_CNT_MASK;
3863 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3864 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003865
Ariel Eliorf16da432012-01-26 06:01:50 +00003866 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3867 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003868 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3869
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003870 /* get the current counter value */
3871 val1 = (val & mask) >> shift;
3872
Ariel Elior889b9af2012-01-26 06:01:51 +00003873 /* clear bit of that PF */
3874 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003875
3876 /* clear the old value */
3877 val &= ~mask;
3878
3879 /* set the new one */
3880 val |= ((val1 << shift) & mask);
3881
3882 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003883 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3884 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003885}
3886
3887/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003888 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003889 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003890 * should be run under rtnl lock
3891 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003892static inline bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003893{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003894 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
3895 BNX2X_PATH0_LOAD_CNT_MASK);
3896 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3897 BNX2X_PATH0_LOAD_CNT_SHIFT);
3898 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3899
3900 DP(NETIF_MSG_HW, "GLOB_REG=0x%08x\n", val);
3901
3902 val = (val & mask) >> shift;
3903
Ariel Elior889b9af2012-01-26 06:01:51 +00003904 DP(NETIF_MSG_HW, "load mask for engine %d = 0x%x\n", engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003905
Ariel Elior889b9af2012-01-26 06:01:51 +00003906 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003907}
3908
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003909/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003910 * Reset the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003911 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003912static inline void bnx2x_clear_load_status(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003913{
Ariel Eliorf16da432012-01-26 06:01:50 +00003914 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003915 u32 mask = (BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
Ariel Eliorf16da432012-01-26 06:01:50 +00003916 BNX2X_PATH0_LOAD_CNT_MASK);
3917 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3918 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003919 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~mask));
Ariel Eliorf16da432012-01-26 06:01:50 +00003920 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003921}
3922
3923static inline void _print_next_block(int idx, const char *blk)
3924{
Joe Perchesf1deab52011-08-14 12:16:21 +00003925 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003926}
3927
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003928static inline int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
3929 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003930{
3931 int i = 0;
3932 u32 cur_bit = 0;
3933 for (i = 0; sig; i++) {
3934 cur_bit = ((u32)0x1 << i);
3935 if (sig & cur_bit) {
3936 switch (cur_bit) {
3937 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003938 if (print)
3939 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003940 break;
3941 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003942 if (print)
3943 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003944 break;
3945 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003946 if (print)
3947 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003948 break;
3949 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003950 if (print)
3951 _print_next_block(par_num++,
3952 "SEARCHER");
3953 break;
3954 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
3955 if (print)
3956 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003957 break;
3958 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003959 if (print)
3960 _print_next_block(par_num++, "TSEMI");
3961 break;
3962 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3963 if (print)
3964 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003965 break;
3966 }
3967
3968 /* Clear the bit */
3969 sig &= ~cur_bit;
3970 }
3971 }
3972
3973 return par_num;
3974}
3975
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003976static inline int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
3977 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003978{
3979 int i = 0;
3980 u32 cur_bit = 0;
3981 for (i = 0; sig; i++) {
3982 cur_bit = ((u32)0x1 << i);
3983 if (sig & cur_bit) {
3984 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003985 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
3986 if (print)
3987 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003988 break;
3989 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003990 if (print)
3991 _print_next_block(par_num++, "QM");
3992 break;
3993 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
3994 if (print)
3995 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003996 break;
3997 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003998 if (print)
3999 _print_next_block(par_num++, "XSDM");
4000 break;
4001 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4002 if (print)
4003 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004004 break;
4005 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004006 if (print)
4007 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004008 break;
4009 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004010 if (print)
4011 _print_next_block(par_num++,
4012 "DOORBELLQ");
4013 break;
4014 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4015 if (print)
4016 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004017 break;
4018 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004019 if (print)
4020 _print_next_block(par_num++,
4021 "VAUX PCI CORE");
4022 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004023 break;
4024 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004025 if (print)
4026 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004027 break;
4028 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004029 if (print)
4030 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004031 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004032 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4033 if (print)
4034 _print_next_block(par_num++, "UCM");
4035 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004036 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004037 if (print)
4038 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004039 break;
4040 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004041 if (print)
4042 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004043 break;
4044 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004045 if (print)
4046 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004047 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004048 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4049 if (print)
4050 _print_next_block(par_num++, "CCM");
4051 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004052 }
4053
4054 /* Clear the bit */
4055 sig &= ~cur_bit;
4056 }
4057 }
4058
4059 return par_num;
4060}
4061
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004062static inline int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4063 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004064{
4065 int i = 0;
4066 u32 cur_bit = 0;
4067 for (i = 0; sig; i++) {
4068 cur_bit = ((u32)0x1 << i);
4069 if (sig & cur_bit) {
4070 switch (cur_bit) {
4071 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004072 if (print)
4073 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004074 break;
4075 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004076 if (print)
4077 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004078 break;
4079 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004080 if (print)
4081 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004082 "PXPPCICLOCKCLIENT");
4083 break;
4084 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004085 if (print)
4086 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004087 break;
4088 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004089 if (print)
4090 _print_next_block(par_num++, "CDU");
4091 break;
4092 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4093 if (print)
4094 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004095 break;
4096 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004097 if (print)
4098 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004099 break;
4100 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004101 if (print)
4102 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004103 break;
4104 }
4105
4106 /* Clear the bit */
4107 sig &= ~cur_bit;
4108 }
4109 }
4110
4111 return par_num;
4112}
4113
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004114static inline int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4115 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004116{
4117 int i = 0;
4118 u32 cur_bit = 0;
4119 for (i = 0; sig; i++) {
4120 cur_bit = ((u32)0x1 << i);
4121 if (sig & cur_bit) {
4122 switch (cur_bit) {
4123 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004124 if (print)
4125 _print_next_block(par_num++, "MCP ROM");
4126 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004127 break;
4128 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004129 if (print)
4130 _print_next_block(par_num++,
4131 "MCP UMP RX");
4132 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004133 break;
4134 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004135 if (print)
4136 _print_next_block(par_num++,
4137 "MCP UMP TX");
4138 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004139 break;
4140 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004141 if (print)
4142 _print_next_block(par_num++,
4143 "MCP SCPAD");
4144 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004145 break;
4146 }
4147
4148 /* Clear the bit */
4149 sig &= ~cur_bit;
4150 }
4151 }
4152
4153 return par_num;
4154}
4155
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004156static inline int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4157 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004158{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004159 int i = 0;
4160 u32 cur_bit = 0;
4161 for (i = 0; sig; i++) {
4162 cur_bit = ((u32)0x1 << i);
4163 if (sig & cur_bit) {
4164 switch (cur_bit) {
4165 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4166 if (print)
4167 _print_next_block(par_num++, "PGLUE_B");
4168 break;
4169 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4170 if (print)
4171 _print_next_block(par_num++, "ATC");
4172 break;
4173 }
4174
4175 /* Clear the bit */
4176 sig &= ~cur_bit;
4177 }
4178 }
4179
4180 return par_num;
4181}
4182
4183static inline bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4184 u32 *sig)
4185{
4186 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4187 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4188 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4189 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4190 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004191 int par_num = 0;
4192 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004193 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x "
4194 "[4]:0x%08x\n",
4195 sig[0] & HW_PRTY_ASSERT_SET_0,
4196 sig[1] & HW_PRTY_ASSERT_SET_1,
4197 sig[2] & HW_PRTY_ASSERT_SET_2,
4198 sig[3] & HW_PRTY_ASSERT_SET_3,
4199 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004200 if (print)
4201 netdev_err(bp->dev,
4202 "Parity errors detected in blocks: ");
4203 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004204 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004205 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004206 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004207 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004208 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004209 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004210 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4211 par_num = bnx2x_check_blocks_with_parity4(
4212 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4213
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004214 if (print)
4215 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004216
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004217 return true;
4218 } else
4219 return false;
4220}
4221
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004222/**
4223 * bnx2x_chk_parity_attn - checks for parity attentions.
4224 *
4225 * @bp: driver handle
4226 * @global: true if there was a global attention
4227 * @print: show parity attention in syslog
4228 */
4229bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004230{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004231 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004232 int port = BP_PORT(bp);
4233
4234 attn.sig[0] = REG_RD(bp,
4235 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4236 port*4);
4237 attn.sig[1] = REG_RD(bp,
4238 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4239 port*4);
4240 attn.sig[2] = REG_RD(bp,
4241 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4242 port*4);
4243 attn.sig[3] = REG_RD(bp,
4244 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4245 port*4);
4246
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004247 if (!CHIP_IS_E1x(bp))
4248 attn.sig[4] = REG_RD(bp,
4249 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4250 port*4);
4251
4252 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004253}
4254
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004255
4256static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
4257{
4258 u32 val;
4259 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4260
4261 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4262 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4263 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
4264 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4265 "ADDRESS_ERROR\n");
4266 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
4267 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4268 "INCORRECT_RCV_BEHAVIOR\n");
4269 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
4270 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4271 "WAS_ERROR_ATTN\n");
4272 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
4273 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4274 "VF_LENGTH_VIOLATION_ATTN\n");
4275 if (val &
4276 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
4277 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4278 "VF_GRC_SPACE_VIOLATION_ATTN\n");
4279 if (val &
4280 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
4281 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4282 "VF_MSIX_BAR_VIOLATION_ATTN\n");
4283 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
4284 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4285 "TCPL_ERROR_ATTN\n");
4286 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
4287 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4288 "TCPL_IN_TWO_RCBS_ATTN\n");
4289 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
4290 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4291 "CSSNOOP_FIFO_OVERFLOW\n");
4292 }
4293 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4294 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4295 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4296 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4297 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4298 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
4299 BNX2X_ERR("ATC_ATC_INT_STS_REG"
4300 "_ATC_TCPL_TO_NOT_PEND\n");
4301 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
4302 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
4303 "ATC_GPA_MULTIPLE_HITS\n");
4304 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
4305 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
4306 "ATC_RCPL_TO_EMPTY_CNT\n");
4307 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4308 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4309 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
4310 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
4311 "ATC_IREQ_LESS_THAN_STU\n");
4312 }
4313
4314 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4315 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4316 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4317 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4318 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4319 }
4320
4321}
4322
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004323static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4324{
4325 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004326 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004327 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004328 u32 reg_addr;
4329 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004330 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004331 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004332
4333 /* need to take HW lock because MCP or other port might also
4334 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004335 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004336
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004337 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4338#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004339 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004340 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004341 /* Disable HW interrupts */
4342 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004343 /* In case of parity errors don't handle attentions so that
4344 * other function would "see" parity errors.
4345 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004346#else
4347 bnx2x_panic();
4348#endif
4349 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004350 return;
4351 }
4352
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004353 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4354 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4355 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4356 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004357 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004358 attn.sig[4] =
4359 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4360 else
4361 attn.sig[4] = 0;
4362
4363 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4364 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004365
4366 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4367 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004368 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004369
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004370 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
4371 "%08x %08x %08x\n",
4372 index,
4373 group_mask->sig[0], group_mask->sig[1],
4374 group_mask->sig[2], group_mask->sig[3],
4375 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004376
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004377 bnx2x_attn_int_deasserted4(bp,
4378 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004379 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004380 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004381 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004382 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004383 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004384 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004385 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004386 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004387 }
4388 }
4389
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004390 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004391
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004392 if (bp->common.int_block == INT_BLOCK_HC)
4393 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4394 COMMAND_REG_ATTN_BITS_CLR);
4395 else
4396 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004397
4398 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004399 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4400 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004401 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004402
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004403 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004404 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004405
4406 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4407 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4408
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004409 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4410 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004411
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004412 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4413 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004414 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004415 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4416
4417 REG_WR(bp, reg_addr, aeu_mask);
4418 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004419
4420 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4421 bp->attn_state &= ~deasserted;
4422 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4423}
4424
4425static void bnx2x_attn_int(struct bnx2x *bp)
4426{
4427 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004428 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4429 attn_bits);
4430 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4431 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004432 u32 attn_state = bp->attn_state;
4433
4434 /* look for changed bits */
4435 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4436 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4437
4438 DP(NETIF_MSG_HW,
4439 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4440 attn_bits, attn_ack, asserted, deasserted);
4441
4442 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004443 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004444
4445 /* handle bits that were raised */
4446 if (asserted)
4447 bnx2x_attn_int_asserted(bp, asserted);
4448
4449 if (deasserted)
4450 bnx2x_attn_int_deasserted(bp, deasserted);
4451}
4452
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004453void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4454 u16 index, u8 op, u8 update)
4455{
4456 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4457
4458 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4459 igu_addr);
4460}
4461
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004462static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
4463{
4464 /* No memory barriers */
4465 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4466 mmiowb(); /* keep prod updates ordered */
4467}
4468
4469#ifdef BCM_CNIC
4470static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4471 union event_ring_elem *elem)
4472{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004473 u8 err = elem->message.error;
4474
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004475 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004476 (cid < bp->cnic_eth_dev.starting_cid &&
4477 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004478 return 1;
4479
4480 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4481
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004482 if (unlikely(err)) {
4483
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004484 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4485 cid);
4486 bnx2x_panic_dump(bp);
4487 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004488 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004489 return 0;
4490}
4491#endif
4492
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004493static inline void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
4494{
4495 struct bnx2x_mcast_ramrod_params rparam;
4496 int rc;
4497
4498 memset(&rparam, 0, sizeof(rparam));
4499
4500 rparam.mcast_obj = &bp->mcast_obj;
4501
4502 netif_addr_lock_bh(bp->dev);
4503
4504 /* Clear pending state for the last command */
4505 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4506
4507 /* If there are pending mcast commands - send them */
4508 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4509 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4510 if (rc < 0)
4511 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4512 rc);
4513 }
4514
4515 netif_addr_unlock_bh(bp->dev);
4516}
4517
4518static inline void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4519 union event_ring_elem *elem)
4520{
4521 unsigned long ramrod_flags = 0;
4522 int rc = 0;
4523 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4524 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4525
4526 /* Always push next commands out, don't wait here */
4527 __set_bit(RAMROD_CONT, &ramrod_flags);
4528
4529 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4530 case BNX2X_FILTER_MAC_PENDING:
4531#ifdef BCM_CNIC
4532 if (cid == BNX2X_ISCSI_ETH_CID)
4533 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4534 else
4535#endif
4536 vlan_mac_obj = &bp->fp[cid].mac_obj;
4537
4538 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004539 case BNX2X_FILTER_MCAST_PENDING:
4540 /* This is only relevant for 57710 where multicast MACs are
4541 * configured as unicast MACs using the same ramrod.
4542 */
4543 bnx2x_handle_mcast_eqe(bp);
4544 return;
4545 default:
4546 BNX2X_ERR("Unsupported classification command: %d\n",
4547 elem->message.data.eth_event.echo);
4548 return;
4549 }
4550
4551 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4552
4553 if (rc < 0)
4554 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4555 else if (rc > 0)
4556 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4557
4558}
4559
4560#ifdef BCM_CNIC
4561static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
4562#endif
4563
4564static inline void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
4565{
4566 netif_addr_lock_bh(bp->dev);
4567
4568 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4569
4570 /* Send rx_mode command again if was requested */
4571 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4572 bnx2x_set_storm_rx_mode(bp);
4573#ifdef BCM_CNIC
4574 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4575 &bp->sp_state))
4576 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4577 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4578 &bp->sp_state))
4579 bnx2x_set_iscsi_eth_rx_mode(bp, false);
4580#endif
4581
4582 netif_addr_unlock_bh(bp->dev);
4583}
4584
4585static inline struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
4586 struct bnx2x *bp, u32 cid)
4587{
Joe Perches94f05b02011-08-14 12:16:20 +00004588 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004589#ifdef BCM_CNIC
4590 if (cid == BNX2X_FCOE_ETH_CID)
4591 return &bnx2x_fcoe(bp, q_obj);
4592 else
4593#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +00004594 return &bnx2x_fp(bp, CID_TO_FP(cid), q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004595}
4596
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004597static void bnx2x_eq_int(struct bnx2x *bp)
4598{
4599 u16 hw_cons, sw_cons, sw_prod;
4600 union event_ring_elem *elem;
4601 u32 cid;
4602 u8 opcode;
4603 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004604 struct bnx2x_queue_sp_obj *q_obj;
4605 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4606 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004607
4608 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4609
4610 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4611 * when we get the the next-page we nned to adjust so the loop
4612 * condition below will be met. The next element is the size of a
4613 * regular element and hence incrementing by 1
4614 */
4615 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4616 hw_cons++;
4617
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004618 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004619 * specific bp, thus there is no need in "paired" read memory
4620 * barrier here.
4621 */
4622 sw_cons = bp->eq_cons;
4623 sw_prod = bp->eq_prod;
4624
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004625 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004626 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004627
4628 for (; sw_cons != hw_cons;
4629 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4630
4631
4632 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4633
4634 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4635 opcode = elem->message.opcode;
4636
4637
4638 /* handle eq element */
4639 switch (opcode) {
4640 case EVENT_RING_OPCODE_STAT_QUERY:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004641 DP(NETIF_MSG_TIMER, "got statistics comp event %d\n",
4642 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004643 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004644 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004645
4646 case EVENT_RING_OPCODE_CFC_DEL:
4647 /* handle according to cid range */
4648 /*
4649 * we may want to verify here that the bp state is
4650 * HALTING
4651 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004652 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004653 "got delete ramrod for MULTI[%d]\n", cid);
4654#ifdef BCM_CNIC
4655 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
4656 goto next_spqe;
4657#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004658 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4659
4660 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4661 break;
4662
4663
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004664
4665 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004666
4667 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004668 DP(BNX2X_MSG_SP, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004669 if (f_obj->complete_cmd(bp, f_obj,
4670 BNX2X_F_CMD_TX_STOP))
4671 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004672 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4673 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004674
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004675 case EVENT_RING_OPCODE_START_TRAFFIC:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004676 DP(BNX2X_MSG_SP, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004677 if (f_obj->complete_cmd(bp, f_obj,
4678 BNX2X_F_CMD_TX_START))
4679 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004680 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4681 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004682 case EVENT_RING_OPCODE_FUNCTION_START:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004683 DP(BNX2X_MSG_SP, "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004684 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4685 break;
4686
4687 goto next_spqe;
4688
4689 case EVENT_RING_OPCODE_FUNCTION_STOP:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004690 DP(BNX2X_MSG_SP, "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004691 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4692 break;
4693
4694 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004695 }
4696
4697 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004698 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4699 BNX2X_STATE_OPEN):
4700 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004701 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004702 cid = elem->message.data.eth_event.echo &
4703 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004704 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004705 cid);
4706 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004707 break;
4708
4709 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4710 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004711 case (EVENT_RING_OPCODE_SET_MAC |
4712 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004713 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4714 BNX2X_STATE_OPEN):
4715 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4716 BNX2X_STATE_DIAG):
4717 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4718 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004719 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004720 bnx2x_handle_classification_eqe(bp, elem);
4721 break;
4722
4723 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4724 BNX2X_STATE_OPEN):
4725 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4726 BNX2X_STATE_DIAG):
4727 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4728 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004729 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004730 bnx2x_handle_mcast_eqe(bp);
4731 break;
4732
4733 case (EVENT_RING_OPCODE_FILTERS_RULES |
4734 BNX2X_STATE_OPEN):
4735 case (EVENT_RING_OPCODE_FILTERS_RULES |
4736 BNX2X_STATE_DIAG):
4737 case (EVENT_RING_OPCODE_FILTERS_RULES |
4738 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004739 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004740 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004741 break;
4742 default:
4743 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004744 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4745 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004746 }
4747next_spqe:
4748 spqe_cnt++;
4749 } /* for */
4750
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004751 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004752 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004753
4754 bp->eq_cons = sw_cons;
4755 bp->eq_prod = sw_prod;
4756 /* Make sure that above mem writes were issued towards the memory */
4757 smp_wmb();
4758
4759 /* update producer */
4760 bnx2x_update_eq_prod(bp, bp->eq_prod);
4761}
4762
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004763static void bnx2x_sp_task(struct work_struct *work)
4764{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004765 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004766 u16 status;
4767
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004768 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004769/* if (status == 0) */
4770/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004771
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004772 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004773
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004774 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004775 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004776 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004777 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004778 }
4779
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004780 /* SP events: STAT_QUERY and others */
4781 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004782#ifdef BCM_CNIC
4783 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004784
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004785 if ((!NO_FCOE(bp)) &&
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00004786 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
4787 /*
4788 * Prevent local bottom-halves from running as
4789 * we are going to change the local NAPI list.
4790 */
4791 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004792 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00004793 local_bh_enable();
4794 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004795#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004796 /* Handle EQ completions */
4797 bnx2x_eq_int(bp);
4798
4799 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
4800 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
4801
4802 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004803 }
4804
4805 if (unlikely(status))
4806 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
4807 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004808
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004809 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
4810 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004811}
4812
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004813irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004814{
4815 struct net_device *dev = dev_instance;
4816 struct bnx2x *bp = netdev_priv(dev);
4817
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004818 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
4819 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004820
4821#ifdef BNX2X_STOP_ON_ERROR
4822 if (unlikely(bp->panic))
4823 return IRQ_HANDLED;
4824#endif
4825
Michael Chan993ac7b2009-10-10 13:46:56 +00004826#ifdef BCM_CNIC
4827 {
4828 struct cnic_ops *c_ops;
4829
4830 rcu_read_lock();
4831 c_ops = rcu_dereference(bp->cnic_ops);
4832 if (c_ops)
4833 c_ops->cnic_handler(bp->cnic_data, NULL);
4834 rcu_read_unlock();
4835 }
4836#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004837 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004838
4839 return IRQ_HANDLED;
4840}
4841
4842/* end of slow path */
4843
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004844
4845void bnx2x_drv_pulse(struct bnx2x *bp)
4846{
4847 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
4848 bp->fw_drv_pulse_wr_seq);
4849}
4850
4851
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004852static void bnx2x_timer(unsigned long data)
4853{
4854 struct bnx2x *bp = (struct bnx2x *) data;
4855
4856 if (!netif_running(bp->dev))
4857 return;
4858
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004859 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004860 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004861 u32 drv_pulse;
4862 u32 mcp_pulse;
4863
4864 ++bp->fw_drv_pulse_wr_seq;
4865 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
4866 /* TBD - add SYSTEM_TIME */
4867 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004868 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004869
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004870 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004871 MCP_PULSE_SEQ_MASK);
4872 /* The delta between driver pulse and mcp response
4873 * should be 1 (before mcp response) or 0 (after mcp response)
4874 */
4875 if ((drv_pulse != mcp_pulse) &&
4876 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
4877 /* someone lost a heartbeat... */
4878 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
4879 drv_pulse, mcp_pulse);
4880 }
4881 }
4882
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07004883 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004884 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004885
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004886 mod_timer(&bp->timer, jiffies + bp->current_interval);
4887}
4888
4889/* end of Statistics */
4890
4891/* nic init */
4892
4893/*
4894 * nic init service functions
4895 */
4896
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004897static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004898{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004899 u32 i;
4900 if (!(len%4) && !(addr%4))
4901 for (i = 0; i < len; i += 4)
4902 REG_WR(bp, addr + i, fill);
4903 else
4904 for (i = 0; i < len; i++)
4905 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004906
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004907}
4908
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004909/* helper: writes FP SP data to FW - data_size in dwords */
4910static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
4911 int fw_sb_id,
4912 u32 *sb_data_p,
4913 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004914{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004915 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004916 for (index = 0; index < data_size; index++)
4917 REG_WR(bp, BAR_CSTRORM_INTMEM +
4918 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
4919 sizeof(u32)*index,
4920 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004921}
4922
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004923static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
4924{
4925 u32 *sb_data_p;
4926 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004927 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004928 struct hc_status_block_data_e1x sb_data_e1x;
4929
4930 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004931 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004932 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004933 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004934 sb_data_e2.common.p_func.vf_valid = false;
4935 sb_data_p = (u32 *)&sb_data_e2;
4936 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4937 } else {
4938 memset(&sb_data_e1x, 0,
4939 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004940 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004941 sb_data_e1x.common.p_func.vf_valid = false;
4942 sb_data_p = (u32 *)&sb_data_e1x;
4943 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4944 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004945 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4946
4947 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4948 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
4949 CSTORM_STATUS_BLOCK_SIZE);
4950 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4951 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
4952 CSTORM_SYNC_BLOCK_SIZE);
4953}
4954
4955/* helper: writes SP SB data to FW */
4956static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
4957 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004958{
4959 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004960 int i;
4961 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4962 REG_WR(bp, BAR_CSTRORM_INTMEM +
4963 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4964 i*sizeof(u32),
4965 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004966}
4967
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004968static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4969{
4970 int func = BP_FUNC(bp);
4971 struct hc_sp_status_block_data sp_sb_data;
4972 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4973
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004974 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004975 sp_sb_data.p_func.vf_valid = false;
4976
4977 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4978
4979 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4980 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4981 CSTORM_SP_STATUS_BLOCK_SIZE);
4982 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4983 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4984 CSTORM_SP_SYNC_BLOCK_SIZE);
4985
4986}
4987
4988
4989static inline
4990void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4991 int igu_sb_id, int igu_seg_id)
4992{
4993 hc_sm->igu_sb_id = igu_sb_id;
4994 hc_sm->igu_seg_id = igu_seg_id;
4995 hc_sm->timer_value = 0xFF;
4996 hc_sm->time_to_expire = 0xFFFFFFFF;
4997}
4998
David S. Miller8decf862011-09-22 03:23:13 -04004999
5000/* allocates state machine ids. */
5001static inline
5002void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
5003{
5004 /* zero out state machine indices */
5005 /* rx indices */
5006 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5007
5008 /* tx indices */
5009 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5010 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5011 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5012 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5013
5014 /* map indices */
5015 /* rx indices */
5016 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5017 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5018
5019 /* tx indices */
5020 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5021 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5022 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5023 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5024 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5025 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5026 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5027 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5028}
5029
stephen hemminger8d962862010-10-21 07:50:56 +00005030static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005031 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5032{
5033 int igu_seg_id;
5034
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005035 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005036 struct hc_status_block_data_e1x sb_data_e1x;
5037 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005038 int data_size;
5039 u32 *sb_data_p;
5040
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005041 if (CHIP_INT_MODE_IS_BC(bp))
5042 igu_seg_id = HC_SEG_ACCESS_NORM;
5043 else
5044 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005045
5046 bnx2x_zero_fp_sb(bp, fw_sb_id);
5047
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005048 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005049 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005050 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005051 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5052 sb_data_e2.common.p_func.vf_id = vfid;
5053 sb_data_e2.common.p_func.vf_valid = vf_valid;
5054 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5055 sb_data_e2.common.same_igu_sb_1b = true;
5056 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5057 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5058 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005059 sb_data_p = (u32 *)&sb_data_e2;
5060 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005061 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005062 } else {
5063 memset(&sb_data_e1x, 0,
5064 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005065 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005066 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5067 sb_data_e1x.common.p_func.vf_id = 0xff;
5068 sb_data_e1x.common.p_func.vf_valid = false;
5069 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5070 sb_data_e1x.common.same_igu_sb_1b = true;
5071 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5072 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5073 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005074 sb_data_p = (u32 *)&sb_data_e1x;
5075 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005076 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005077 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005078
5079 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5080 igu_sb_id, igu_seg_id);
5081 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5082 igu_sb_id, igu_seg_id);
5083
5084 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
5085
5086 /* write indecies to HW */
5087 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5088}
5089
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005090static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005091 u16 tx_usec, u16 rx_usec)
5092{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005093 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005094 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005095 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5096 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5097 tx_usec);
5098 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5099 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5100 tx_usec);
5101 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5102 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5103 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005104}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005105
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005106static void bnx2x_init_def_sb(struct bnx2x *bp)
5107{
5108 struct host_sp_status_block *def_sb = bp->def_status_blk;
5109 dma_addr_t mapping = bp->def_status_blk_mapping;
5110 int igu_sp_sb_index;
5111 int igu_seg_id;
5112 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005113 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005114 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005115 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005116 int index;
5117 struct hc_sp_status_block_data sp_sb_data;
5118 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5119
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005120 if (CHIP_INT_MODE_IS_BC(bp)) {
5121 igu_sp_sb_index = DEF_SB_IGU_ID;
5122 igu_seg_id = HC_SEG_ACCESS_DEF;
5123 } else {
5124 igu_sp_sb_index = bp->igu_dsb_id;
5125 igu_seg_id = IGU_SEG_ACCESS_DEF;
5126 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005127
5128 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005129 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005130 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005131 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005132
Eliezer Tamir49d66772008-02-28 11:53:13 -08005133 bp->attn_state = 0;
5134
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005135 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5136 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005137 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5138 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005139 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005140 int sindex;
5141 /* take care of sig[0]..sig[4] */
5142 for (sindex = 0; sindex < 4; sindex++)
5143 bp->attn_group[index].sig[sindex] =
5144 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005145
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005146 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005147 /*
5148 * enable5 is separate from the rest of the registers,
5149 * and therefore the address skip is 4
5150 * and not 16 between the different groups
5151 */
5152 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005153 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005154 else
5155 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005156 }
5157
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005158 if (bp->common.int_block == INT_BLOCK_HC) {
5159 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5160 HC_REG_ATTN_MSG0_ADDR_L);
5161
5162 REG_WR(bp, reg_offset, U64_LO(section));
5163 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005164 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005165 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5166 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5167 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005168
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005169 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5170 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005171
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005172 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005173
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005174 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005175 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5176 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5177 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5178 sp_sb_data.igu_seg_id = igu_seg_id;
5179 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005180 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005181 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005182
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005183 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005184
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005185 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005186}
5187
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005188void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005189{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005190 int i;
5191
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005192 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005193 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005194 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005195}
5196
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005197static void bnx2x_init_sp_ring(struct bnx2x *bp)
5198{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005199 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005200 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005201
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005202 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005203 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5204 bp->spq_prod_bd = bp->spq;
5205 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005206}
5207
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005208static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005209{
5210 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005211 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5212 union event_ring_elem *elem =
5213 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005214
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005215 elem->next_page.addr.hi =
5216 cpu_to_le32(U64_HI(bp->eq_mapping +
5217 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5218 elem->next_page.addr.lo =
5219 cpu_to_le32(U64_LO(bp->eq_mapping +
5220 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005221 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005222 bp->eq_cons = 0;
5223 bp->eq_prod = NUM_EQ_DESC;
5224 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005225 /* we want a warning message before it gets rought... */
5226 atomic_set(&bp->eq_spq_left,
5227 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005228}
5229
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005230
5231/* called with netif_addr_lock_bh() */
5232void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5233 unsigned long rx_mode_flags,
5234 unsigned long rx_accept_flags,
5235 unsigned long tx_accept_flags,
5236 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005237{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005238 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5239 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005240
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005241 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005242
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005243 /* Prepare ramrod parameters */
5244 ramrod_param.cid = 0;
5245 ramrod_param.cl_id = cl_id;
5246 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5247 ramrod_param.func_id = BP_FUNC(bp);
5248
5249 ramrod_param.pstate = &bp->sp_state;
5250 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5251
5252 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5253 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5254
5255 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5256
5257 ramrod_param.ramrod_flags = ramrod_flags;
5258 ramrod_param.rx_mode_flags = rx_mode_flags;
5259
5260 ramrod_param.rx_accept_flags = rx_accept_flags;
5261 ramrod_param.tx_accept_flags = tx_accept_flags;
5262
5263 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5264 if (rc < 0) {
5265 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5266 return;
5267 }
5268}
5269
5270/* called with netif_addr_lock_bh() */
5271void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5272{
5273 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5274 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5275
5276#ifdef BCM_CNIC
5277 if (!NO_FCOE(bp))
5278
5279 /* Configure rx_mode of FCoE Queue */
5280 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5281#endif
5282
5283 switch (bp->rx_mode) {
5284 case BNX2X_RX_MODE_NONE:
5285 /*
5286 * 'drop all' supersedes any accept flags that may have been
5287 * passed to the function.
5288 */
5289 break;
5290 case BNX2X_RX_MODE_NORMAL:
5291 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5292 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5293 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5294
5295 /* internal switching mode */
5296 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5297 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5298 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5299
5300 break;
5301 case BNX2X_RX_MODE_ALLMULTI:
5302 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5303 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5304 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5305
5306 /* internal switching mode */
5307 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5308 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5309 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5310
5311 break;
5312 case BNX2X_RX_MODE_PROMISC:
5313 /* According to deffinition of SI mode, iface in promisc mode
5314 * should receive matched and unmatched (in resolution of port)
5315 * unicast packets.
5316 */
5317 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5318 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5319 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5320 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5321
5322 /* internal switching mode */
5323 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5324 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5325
5326 if (IS_MF_SI(bp))
5327 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5328 else
5329 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5330
5331 break;
5332 default:
5333 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5334 return;
5335 }
5336
5337 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5338 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5339 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5340 }
5341
5342 __set_bit(RAMROD_RX, &ramrod_flags);
5343 __set_bit(RAMROD_TX, &ramrod_flags);
5344
5345 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5346 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005347}
5348
Eilon Greenstein471de712008-08-13 15:49:35 -07005349static void bnx2x_init_internal_common(struct bnx2x *bp)
5350{
5351 int i;
5352
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005353 if (IS_MF_SI(bp))
5354 /*
5355 * In switch independent mode, the TSTORM needs to accept
5356 * packets that failed classification, since approximate match
5357 * mac addresses aren't written to NIG LLH
5358 */
5359 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5360 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005361 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5362 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5363 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005364
Eilon Greenstein471de712008-08-13 15:49:35 -07005365 /* Zero this manually as its initialization is
5366 currently missing in the initTool */
5367 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5368 REG_WR(bp, BAR_USTRORM_INTMEM +
5369 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005370 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005371 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5372 CHIP_INT_MODE_IS_BC(bp) ?
5373 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5374 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005375}
5376
Eilon Greenstein471de712008-08-13 15:49:35 -07005377static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5378{
5379 switch (load_code) {
5380 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005381 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005382 bnx2x_init_internal_common(bp);
5383 /* no break */
5384
5385 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005386 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005387 /* no break */
5388
5389 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005390 /* internal memory per function is
5391 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005392 break;
5393
5394 default:
5395 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5396 break;
5397 }
5398}
5399
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005400static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5401{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005402 return fp->bp->igu_base_sb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005403}
5404
5405static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5406{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005407 return fp->bp->base_fw_ndsb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005408}
5409
5410static inline u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
5411{
5412 if (CHIP_IS_E1x(fp->bp))
5413 return BP_L_ID(fp->bp) + fp->index;
5414 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5415 return bnx2x_fp_igu_sb_id(fp);
5416}
5417
Ariel Elior6383c0b2011-07-14 08:31:57 +00005418static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005419{
5420 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005421 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005422 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005423 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005424 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005425 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005426 fp->cl_id = bnx2x_fp_cl_id(fp);
5427 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5428 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005429 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005430 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5431
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005432 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005433 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005434
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005435 /* Setup SB indicies */
5436 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005437
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005438 /* Configure Queue State object */
5439 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5440 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005441
5442 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5443
5444 /* init tx data */
5445 for_each_cos_in_tx_queue(fp, cos) {
5446 bnx2x_init_txdata(bp, &fp->txdata[cos],
5447 CID_COS_TO_TX_ONLY_CID(fp->cid, cos),
5448 FP_COS_TO_TXQ(fp, cos),
5449 BNX2X_TX_SB_INDEX_BASE + cos);
5450 cids[cos] = fp->txdata[cos].cid;
5451 }
5452
5453 bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, cids, fp->max_cos,
5454 BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
5455 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005456
5457 /**
5458 * Configure classification DBs: Always enable Tx switching
5459 */
5460 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5461
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005462 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
5463 "cl_id %d fw_sb %d igu_sb %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005464 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005465 fp->igu_sb_id);
5466 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5467 fp->fw_sb_id, fp->igu_sb_id);
5468
5469 bnx2x_update_fpsb_idx(fp);
5470}
5471
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005472void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005473{
5474 int i;
5475
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005476 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005477 bnx2x_init_eth_fp(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00005478#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005479 if (!NO_FCOE(bp))
5480 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005481
5482 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5483 BNX2X_VF_ID_INVALID, false,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005484 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005485
Michael Chan37b091b2009-10-10 13:46:55 +00005486#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005487
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005488 /* Initialize MOD_ABS interrupts */
5489 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5490 bp->common.shmem_base, bp->common.shmem2_base,
5491 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005492 /* ensure status block indices were read */
5493 rmb();
5494
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005495 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005496 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005497 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005498 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005499 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005500 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005501 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005502 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005503 bnx2x_stats_init(bp);
5504
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005505 /* flush all before enabling interrupts */
5506 mb();
5507 mmiowb();
5508
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005509 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005510
5511 /* Check for SPIO5 */
5512 bnx2x_attn_int_deasserted0(bp,
5513 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5514 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005515}
5516
5517/* end of nic init */
5518
5519/*
5520 * gzip service functions
5521 */
5522
5523static int bnx2x_gunzip_init(struct bnx2x *bp)
5524{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005525 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5526 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005527 if (bp->gunzip_buf == NULL)
5528 goto gunzip_nomem1;
5529
5530 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5531 if (bp->strm == NULL)
5532 goto gunzip_nomem2;
5533
David S. Miller7ab24bf2011-06-29 05:48:41 -07005534 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005535 if (bp->strm->workspace == NULL)
5536 goto gunzip_nomem3;
5537
5538 return 0;
5539
5540gunzip_nomem3:
5541 kfree(bp->strm);
5542 bp->strm = NULL;
5543
5544gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005545 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5546 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005547 bp->gunzip_buf = NULL;
5548
5549gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005550 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
5551 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005552 return -ENOMEM;
5553}
5554
5555static void bnx2x_gunzip_end(struct bnx2x *bp)
5556{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005557 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005558 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005559 kfree(bp->strm);
5560 bp->strm = NULL;
5561 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005562
5563 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005564 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5565 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005566 bp->gunzip_buf = NULL;
5567 }
5568}
5569
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005570static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005571{
5572 int n, rc;
5573
5574 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005575 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5576 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005577 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005578 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005579
5580 n = 10;
5581
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005582#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005583
5584 if (zbuf[3] & FNAME)
5585 while ((zbuf[n++] != 0) && (n < len));
5586
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005587 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005588 bp->strm->avail_in = len - n;
5589 bp->strm->next_out = bp->gunzip_buf;
5590 bp->strm->avail_out = FW_BUF_SIZE;
5591
5592 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5593 if (rc != Z_OK)
5594 return rc;
5595
5596 rc = zlib_inflate(bp->strm, Z_FINISH);
5597 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005598 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5599 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005600
5601 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5602 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005603 netdev_err(bp->dev, "Firmware decompression error:"
5604 " gunzip_outlen (%d) not aligned\n",
5605 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005606 bp->gunzip_outlen >>= 2;
5607
5608 zlib_inflateEnd(bp->strm);
5609
5610 if (rc == Z_STREAM_END)
5611 return 0;
5612
5613 return rc;
5614}
5615
5616/* nic load/unload */
5617
5618/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005619 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005620 */
5621
5622/* send a NIG loopback debug packet */
5623static void bnx2x_lb_pckt(struct bnx2x *bp)
5624{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005625 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005626
5627 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005628 wb_write[0] = 0x55555555;
5629 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005630 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005631 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005632
5633 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005634 wb_write[0] = 0x09000000;
5635 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005636 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005637 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005638}
5639
5640/* some of the internal memories
5641 * are not directly readable from the driver
5642 * to test them we send debug packets
5643 */
5644static int bnx2x_int_mem_test(struct bnx2x *bp)
5645{
5646 int factor;
5647 int count, i;
5648 u32 val = 0;
5649
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005650 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005651 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005652 else if (CHIP_REV_IS_EMUL(bp))
5653 factor = 200;
5654 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005655 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005656
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005657 /* Disable inputs of parser neighbor blocks */
5658 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5659 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5660 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005661 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005662
5663 /* Write 0 to parser credits for CFC search request */
5664 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5665
5666 /* send Ethernet packet */
5667 bnx2x_lb_pckt(bp);
5668
5669 /* TODO do i reset NIG statistic? */
5670 /* Wait until NIG register shows 1 packet of size 0x10 */
5671 count = 1000 * factor;
5672 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005673
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005674 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5675 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005676 if (val == 0x10)
5677 break;
5678
5679 msleep(10);
5680 count--;
5681 }
5682 if (val != 0x10) {
5683 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5684 return -1;
5685 }
5686
5687 /* Wait until PRS register shows 1 packet */
5688 count = 1000 * factor;
5689 while (count) {
5690 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005691 if (val == 1)
5692 break;
5693
5694 msleep(10);
5695 count--;
5696 }
5697 if (val != 0x1) {
5698 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5699 return -2;
5700 }
5701
5702 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005703 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005704 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005705 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005706 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005707 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5708 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005709
5710 DP(NETIF_MSG_HW, "part2\n");
5711
5712 /* Disable inputs of parser neighbor blocks */
5713 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5714 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5715 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005716 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005717
5718 /* Write 0 to parser credits for CFC search request */
5719 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5720
5721 /* send 10 Ethernet packets */
5722 for (i = 0; i < 10; i++)
5723 bnx2x_lb_pckt(bp);
5724
5725 /* Wait until NIG register shows 10 + 1
5726 packets of size 11*0x10 = 0xb0 */
5727 count = 1000 * factor;
5728 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005729
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005730 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5731 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005732 if (val == 0xb0)
5733 break;
5734
5735 msleep(10);
5736 count--;
5737 }
5738 if (val != 0xb0) {
5739 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5740 return -3;
5741 }
5742
5743 /* Wait until PRS register shows 2 packets */
5744 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5745 if (val != 2)
5746 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5747
5748 /* Write 1 to parser credits for CFC search request */
5749 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5750
5751 /* Wait until PRS register shows 3 packets */
5752 msleep(10 * factor);
5753 /* Wait until NIG register shows 1 packet of size 0x10 */
5754 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5755 if (val != 3)
5756 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5757
5758 /* clear NIG EOP FIFO */
5759 for (i = 0; i < 11; i++)
5760 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5761 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5762 if (val != 1) {
5763 BNX2X_ERR("clear of NIG failed\n");
5764 return -4;
5765 }
5766
5767 /* Reset and init BRB, PRS, NIG */
5768 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5769 msleep(50);
5770 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5771 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005772 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5773 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00005774#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005775 /* set NIC mode */
5776 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5777#endif
5778
5779 /* Enable inputs of parser neighbor blocks */
5780 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5781 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5782 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005783 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005784
5785 DP(NETIF_MSG_HW, "done\n");
5786
5787 return 0; /* OK */
5788}
5789
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005790static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005791{
5792 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005793 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005794 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
5795 else
5796 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005797 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5798 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005799 /*
5800 * mask read length error interrupts in brb for parser
5801 * (parsing unit and 'checksum and crc' unit)
5802 * these errors are legal (PU reads fixed length and CAC can cause
5803 * read length error on truncated packets)
5804 */
5805 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005806 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5807 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5808 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5809 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5810 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005811/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5812/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005813 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5814 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5815 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005816/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5817/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005818 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5819 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5820 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5821 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005822/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5823/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005824
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005825 if (CHIP_REV_IS_FPGA(bp))
5826 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005827 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005828 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
5829 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
5830 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
5831 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
5832 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
5833 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005834 else
5835 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005836 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5837 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5838 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005839/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005840
5841 if (!CHIP_IS_E1x(bp))
5842 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
5843 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
5844
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005845 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5846 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005847/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005848 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005849}
5850
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005851static void bnx2x_reset_common(struct bnx2x *bp)
5852{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005853 u32 val = 0x1400;
5854
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005855 /* reset_common */
5856 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5857 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005858
5859 if (CHIP_IS_E3(bp)) {
5860 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
5861 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
5862 }
5863
5864 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
5865}
5866
5867static void bnx2x_setup_dmae(struct bnx2x *bp)
5868{
5869 bp->dmae_ready = 0;
5870 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005871}
5872
Eilon Greenstein573f2032009-08-12 08:24:14 +00005873static void bnx2x_init_pxp(struct bnx2x *bp)
5874{
5875 u16 devctl;
5876 int r_order, w_order;
5877
5878 pci_read_config_word(bp->pdev,
Vladislav Zolotarovb6c2f862011-07-24 03:58:38 +00005879 pci_pcie_cap(bp->pdev) + PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00005880 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
5881 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
5882 if (bp->mrrs == -1)
5883 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
5884 else {
5885 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
5886 r_order = bp->mrrs;
5887 }
5888
5889 bnx2x_init_pxp_arb(bp, r_order, w_order);
5890}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005891
5892static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
5893{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005894 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005895 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005896 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005897
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005898 if (BP_NOMCP(bp))
5899 return;
5900
5901 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005902 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
5903 SHARED_HW_CFG_FAN_FAILURE_MASK;
5904
5905 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
5906 is_required = 1;
5907
5908 /*
5909 * The fan failure mechanism is usually related to the PHY type since
5910 * the power consumption of the board is affected by the PHY. Currently,
5911 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
5912 */
5913 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
5914 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005915 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005916 bnx2x_fan_failure_det_req(
5917 bp,
5918 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005919 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005920 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005921 }
5922
5923 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
5924
5925 if (is_required == 0)
5926 return;
5927
5928 /* Fan failure is indicated by SPIO 5 */
5929 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5930 MISC_REGISTERS_SPIO_INPUT_HI_Z);
5931
5932 /* set to active low mode */
5933 val = REG_RD(bp, MISC_REG_SPIO_INT);
5934 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005935 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005936 REG_WR(bp, MISC_REG_SPIO_INT, val);
5937
5938 /* enable interrupt to signal the IGU */
5939 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5940 val |= (1 << MISC_REGISTERS_SPIO_5);
5941 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5942}
5943
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005944static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
5945{
5946 u32 offset = 0;
5947
5948 if (CHIP_IS_E1(bp))
5949 return;
5950 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
5951 return;
5952
5953 switch (BP_ABS_FUNC(bp)) {
5954 case 0:
5955 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
5956 break;
5957 case 1:
5958 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
5959 break;
5960 case 2:
5961 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
5962 break;
5963 case 3:
5964 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
5965 break;
5966 case 4:
5967 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
5968 break;
5969 case 5:
5970 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
5971 break;
5972 case 6:
5973 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
5974 break;
5975 case 7:
5976 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
5977 break;
5978 default:
5979 return;
5980 }
5981
5982 REG_WR(bp, offset, pretend_func_num);
5983 REG_RD(bp, offset);
5984 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
5985}
5986
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00005987void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005988{
5989 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
5990 val &= ~IGU_PF_CONF_FUNC_EN;
5991
5992 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
5993 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
5994 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
5995}
5996
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005997static inline void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005998{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005999 u32 shmem_base[2], shmem2_base[2];
6000 shmem_base[0] = bp->common.shmem_base;
6001 shmem2_base[0] = bp->common.shmem2_base;
6002 if (!CHIP_IS_E1x(bp)) {
6003 shmem_base[1] =
6004 SHMEM2_RD(bp, other_shmem_base_addr);
6005 shmem2_base[1] =
6006 SHMEM2_RD(bp, other_shmem2_base_addr);
6007 }
6008 bnx2x_acquire_phy_lock(bp);
6009 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6010 bp->common.chip_id);
6011 bnx2x_release_phy_lock(bp);
6012}
6013
6014/**
6015 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6016 *
6017 * @bp: driver handle
6018 */
6019static int bnx2x_init_hw_common(struct bnx2x *bp)
6020{
6021 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006022
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006023 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006024
David S. Miller823dcd22011-08-20 10:39:12 -07006025 /*
6026 * take the UNDI lock to protect undi_unload flow from accessing
6027 * registers while we're resetting the chip
6028 */
David S. Miller8decf862011-09-22 03:23:13 -04006029 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006030
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006031 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006032 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006033
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006034 val = 0xfffc;
6035 if (CHIP_IS_E3(bp)) {
6036 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6037 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6038 }
6039 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006040
David S. Miller8decf862011-09-22 03:23:13 -04006041 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006042
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006043 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6044
6045 if (!CHIP_IS_E1x(bp)) {
6046 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006047
6048 /**
6049 * 4-port mode or 2-port mode we need to turn of master-enable
6050 * for everyone, after that, turn it back on for self.
6051 * so, we disregard multi-function or not, and always disable
6052 * for all functions on the given path, this means 0,2,4,6 for
6053 * path 0 and 1,3,5,7 for path 1
6054 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006055 for (abs_func_id = BP_PATH(bp);
6056 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6057 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006058 REG_WR(bp,
6059 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6060 1);
6061 continue;
6062 }
6063
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006064 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006065 /* clear pf enable */
6066 bnx2x_pf_disable(bp);
6067 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6068 }
6069 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006070
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006071 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006072 if (CHIP_IS_E1(bp)) {
6073 /* enable HW interrupt from PXP on USDM overflow
6074 bit 16 on INT_MASK_0 */
6075 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006076 }
6077
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006078 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006079 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006080
6081#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006082 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6083 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6084 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6085 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6086 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006087 /* make sure this value is 0 */
6088 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006089
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006090/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6091 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6092 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6093 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6094 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006095#endif
6096
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006097 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6098
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006099 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6100 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006101
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006102 /* let the HW do it's magic ... */
6103 msleep(100);
6104 /* finish PXP init */
6105 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6106 if (val != 1) {
6107 BNX2X_ERR("PXP2 CFG failed\n");
6108 return -EBUSY;
6109 }
6110 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6111 if (val != 1) {
6112 BNX2X_ERR("PXP2 RD_INIT failed\n");
6113 return -EBUSY;
6114 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006115
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006116 /* Timers bug workaround E2 only. We need to set the entire ILT to
6117 * have entries with value "0" and valid bit on.
6118 * This needs to be done by the first PF that is loaded in a path
6119 * (i.e. common phase)
6120 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006121 if (!CHIP_IS_E1x(bp)) {
6122/* In E2 there is a bug in the timers block that can cause function 6 / 7
6123 * (i.e. vnic3) to start even if it is marked as "scan-off".
6124 * This occurs when a different function (func2,3) is being marked
6125 * as "scan-off". Real-life scenario for example: if a driver is being
6126 * load-unloaded while func6,7 are down. This will cause the timer to access
6127 * the ilt, translate to a logical address and send a request to read/write.
6128 * Since the ilt for the function that is down is not valid, this will cause
6129 * a translation error which is unrecoverable.
6130 * The Workaround is intended to make sure that when this happens nothing fatal
6131 * will occur. The workaround:
6132 * 1. First PF driver which loads on a path will:
6133 * a. After taking the chip out of reset, by using pretend,
6134 * it will write "0" to the following registers of
6135 * the other vnics.
6136 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6137 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6138 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6139 * And for itself it will write '1' to
6140 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6141 * dmae-operations (writing to pram for example.)
6142 * note: can be done for only function 6,7 but cleaner this
6143 * way.
6144 * b. Write zero+valid to the entire ILT.
6145 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6146 * VNIC3 (of that port). The range allocated will be the
6147 * entire ILT. This is needed to prevent ILT range error.
6148 * 2. Any PF driver load flow:
6149 * a. ILT update with the physical addresses of the allocated
6150 * logical pages.
6151 * b. Wait 20msec. - note that this timeout is needed to make
6152 * sure there are no requests in one of the PXP internal
6153 * queues with "old" ILT addresses.
6154 * c. PF enable in the PGLC.
6155 * d. Clear the was_error of the PF in the PGLC. (could have
6156 * occured while driver was down)
6157 * e. PF enable in the CFC (WEAK + STRONG)
6158 * f. Timers scan enable
6159 * 3. PF driver unload flow:
6160 * a. Clear the Timers scan_en.
6161 * b. Polling for scan_on=0 for that PF.
6162 * c. Clear the PF enable bit in the PXP.
6163 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6164 * e. Write zero+valid to all ILT entries (The valid bit must
6165 * stay set)
6166 * f. If this is VNIC 3 of a port then also init
6167 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6168 * to the last enrty in the ILT.
6169 *
6170 * Notes:
6171 * Currently the PF error in the PGLC is non recoverable.
6172 * In the future the there will be a recovery routine for this error.
6173 * Currently attention is masked.
6174 * Having an MCP lock on the load/unload process does not guarantee that
6175 * there is no Timer disable during Func6/7 enable. This is because the
6176 * Timers scan is currently being cleared by the MCP on FLR.
6177 * Step 2.d can be done only for PF6/7 and the driver can also check if
6178 * there is error before clearing it. But the flow above is simpler and
6179 * more general.
6180 * All ILT entries are written by zero+valid and not just PF6/7
6181 * ILT entries since in the future the ILT entries allocation for
6182 * PF-s might be dynamic.
6183 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006184 struct ilt_client_info ilt_cli;
6185 struct bnx2x_ilt ilt;
6186 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6187 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6188
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006189 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006190 ilt_cli.start = 0;
6191 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6192 ilt_cli.client_num = ILT_CLIENT_TM;
6193
6194 /* Step 1: set zeroes to all ilt page entries with valid bit on
6195 * Step 2: set the timers first/last ilt entry to point
6196 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006197 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006198 *
6199 * both steps performed by call to bnx2x_ilt_client_init_op()
6200 * with dummy TM client
6201 *
6202 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6203 * and his brother are split registers
6204 */
6205 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6206 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6207 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6208
6209 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6210 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6211 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6212 }
6213
6214
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006215 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6216 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006217
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006218 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006219 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6220 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006221 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006222
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006223 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006224
6225 /* let the HW do it's magic ... */
6226 do {
6227 msleep(200);
6228 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6229 } while (factor-- && (val != 1));
6230
6231 if (val != 1) {
6232 BNX2X_ERR("ATC_INIT failed\n");
6233 return -EBUSY;
6234 }
6235 }
6236
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006237 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006238
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006239 /* clean the DMAE memory */
6240 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006241 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006242
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006243 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6244
6245 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6246
6247 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6248
6249 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006250
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006251 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6252 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6253 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6254 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6255
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006256 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006257
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006258
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006259 /* QM queues pointers table */
6260 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006261
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006262 /* soft reset pulse */
6263 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6264 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006265
Michael Chan37b091b2009-10-10 13:46:55 +00006266#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006267 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006268#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006269
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006270 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006271 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006272 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006273 /* enable hw interrupt from doorbell Q */
6274 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006275
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006276 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006277
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006278 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006279 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006280
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006281 if (!CHIP_IS_E1(bp))
6282 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6283
6284 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp))
6285 /* Bit-map indicating which L2 hdrs may appear
6286 * after the basic Ethernet header
6287 */
6288 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6289 bp->path_has_ovlan ? 7 : 6);
6290
6291 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6292 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6293 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6294 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6295
6296 if (!CHIP_IS_E1x(bp)) {
6297 /* reset VFC memories */
6298 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6299 VFC_MEMORIES_RST_REG_CAM_RST |
6300 VFC_MEMORIES_RST_REG_RAM_RST);
6301 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6302 VFC_MEMORIES_RST_REG_CAM_RST |
6303 VFC_MEMORIES_RST_REG_RAM_RST);
6304
6305 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006306 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006307
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006308 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6309 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6310 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6311 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006312
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006313 /* sync semi rtc */
6314 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6315 0x80000000);
6316 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6317 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006318
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006319 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6320 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6321 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006322
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006323 if (!CHIP_IS_E1x(bp))
6324 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6325 bp->path_has_ovlan ? 7 : 6);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006326
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006327 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006328
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006329 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6330
Michael Chan37b091b2009-10-10 13:46:55 +00006331#ifdef BCM_CNIC
6332 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6333 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6334 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6335 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6336 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6337 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6338 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6339 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6340 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6341 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6342#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006343 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006344
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006345 if (sizeof(union cdu_context) != 1024)
6346 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006347 dev_alert(&bp->pdev->dev, "please adjust the size "
6348 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00006349 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006350
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006351 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006352 val = (4 << 24) + (0 << 12) + 1024;
6353 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006354
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006355 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006356 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006357 /* enable context validation interrupt from CFC */
6358 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6359
6360 /* set the thresholds to prevent CFC/CDU race */
6361 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006362
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006363 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006364
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006365 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006366 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6367
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006368 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6369 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006371 /* Reset PCIE errors for debug */
6372 REG_WR(bp, 0x2814, 0xffffffff);
6373 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006374
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006375 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006376 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6377 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6378 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6379 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6380 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6381 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6382 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6383 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6384 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6385 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6386 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6387 }
6388
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006389 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006390 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006391 /* in E3 this done in per-port section */
6392 if (!CHIP_IS_E3(bp))
6393 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6394 }
6395 if (CHIP_IS_E1H(bp))
6396 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006397 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006398
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006399 if (CHIP_REV_IS_SLOW(bp))
6400 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006401
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006402 /* finish CFC init */
6403 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6404 if (val != 1) {
6405 BNX2X_ERR("CFC LL_INIT failed\n");
6406 return -EBUSY;
6407 }
6408 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6409 if (val != 1) {
6410 BNX2X_ERR("CFC AC_INIT failed\n");
6411 return -EBUSY;
6412 }
6413 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6414 if (val != 1) {
6415 BNX2X_ERR("CFC CAM_INIT failed\n");
6416 return -EBUSY;
6417 }
6418 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006419
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006420 if (CHIP_IS_E1(bp)) {
6421 /* read NIG statistic
6422 to see if this is our first up since powerup */
6423 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6424 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006425
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006426 /* do internal memory self test */
6427 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6428 BNX2X_ERR("internal mem self test failed\n");
6429 return -EBUSY;
6430 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006431 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006432
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006433 bnx2x_setup_fan_failure_detection(bp);
6434
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006435 /* clear PXP2 attentions */
6436 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006437
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006438 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006439 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006440
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006441 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006442 if (CHIP_IS_E1x(bp))
6443 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006444 } else
6445 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6446
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006447 return 0;
6448}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006449
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006450/**
6451 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6452 *
6453 * @bp: driver handle
6454 */
6455static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6456{
6457 int rc = bnx2x_init_hw_common(bp);
6458
6459 if (rc)
6460 return rc;
6461
6462 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6463 if (!BP_NOMCP(bp))
6464 bnx2x__common_init_phy(bp);
6465
6466 return 0;
6467}
6468
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006469static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006470{
6471 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006472 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006473 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006474 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006475
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006476 bnx2x__link_reset(bp);
6477
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006478 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006479
6480 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006481
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006482 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6483 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6484 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006485
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006486 /* Timers bug workaround: disables the pf_master bit in pglue at
6487 * common phase, we need to enable it here before any dmae access are
6488 * attempted. Therefore we manually added the enable-master to the
6489 * port phase (it also happens in the function phase)
6490 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006491 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006492 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6493
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006494 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6495 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6496 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6497 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6498
6499 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6500 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6501 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6502 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006503
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006504 /* QM cid (connection) count */
6505 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006506
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006507#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006508 bnx2x_init_block(bp, BLOCK_TM, init_phase);
Michael Chan37b091b2009-10-10 13:46:55 +00006509 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6510 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006511#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006512
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006513 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006514
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006515 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006516 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6517
6518 if (IS_MF(bp))
6519 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6520 else if (bp->dev->mtu > 4096) {
6521 if (bp->flags & ONE_PORT_FLAG)
6522 low = 160;
6523 else {
6524 val = bp->dev->mtu;
6525 /* (24*1024 + val*4)/256 */
6526 low = 96 + (val/64) +
6527 ((val % 64) ? 1 : 0);
6528 }
6529 } else
6530 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6531 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006532 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6533 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6534 }
6535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006536 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006537 REG_WR(bp, (BP_PORT(bp) ?
6538 BRB1_REG_MAC_GUARANTIED_1 :
6539 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006540
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006541
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006542 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
6543 if (CHIP_IS_E3B0(bp))
6544 /* Ovlan exists only if we are in multi-function +
6545 * switch-dependent mode, in switch-independent there
6546 * is no ovlan headers
6547 */
6548 REG_WR(bp, BP_PORT(bp) ?
6549 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6550 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6551 (bp->path_has_ovlan ? 7 : 6));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006552
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006553 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6554 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6555 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6556 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6557
6558 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6559 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6560 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6561 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6562
6563 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6564 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6565
6566 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6567
6568 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006569 /* configure PBF to work without PAUSE mtu 9000 */
6570 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006571
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006572 /* update threshold */
6573 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6574 /* update init credit */
6575 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006576
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006577 /* probe changes */
6578 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6579 udelay(50);
6580 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6581 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006582
Michael Chan37b091b2009-10-10 13:46:55 +00006583#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006584 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006585#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006586 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6587 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006588
6589 if (CHIP_IS_E1(bp)) {
6590 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6591 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6592 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006593 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006594
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006595 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006596
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006597 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006598 /* init aeu_mask_attn_func_0/1:
6599 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6600 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6601 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006602 val = IS_MF(bp) ? 0xF7 : 0x7;
6603 /* Enable DCBX attention for all but E1 */
6604 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6605 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006606
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006607 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006608
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006609 if (!CHIP_IS_E1x(bp)) {
6610 /* Bit-map indicating which L2 hdrs may appear after the
6611 * basic Ethernet header
6612 */
6613 REG_WR(bp, BP_PORT(bp) ?
6614 NIG_REG_P1_HDRS_AFTER_BASIC :
6615 NIG_REG_P0_HDRS_AFTER_BASIC,
6616 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006617
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006618 if (CHIP_IS_E3(bp))
6619 REG_WR(bp, BP_PORT(bp) ?
6620 NIG_REG_LLH1_MF_MODE :
6621 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6622 }
6623 if (!CHIP_IS_E3(bp))
6624 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006625
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006626 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006627 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006628 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006629 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006630
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006631 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006632 val = 0;
6633 switch (bp->mf_mode) {
6634 case MULTI_FUNCTION_SD:
6635 val = 1;
6636 break;
6637 case MULTI_FUNCTION_SI:
6638 val = 2;
6639 break;
6640 }
6641
6642 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6643 NIG_REG_LLH0_CLS_TYPE), val);
6644 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006645 {
6646 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6647 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6648 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6649 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006650 }
6651
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006652
6653 /* If SPIO5 is set to generate interrupts, enable it for this port */
6654 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6655 if (val & (1 << MISC_REGISTERS_SPIO_5)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006656 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6657 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6658 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006659 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006660 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006661 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006662
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006663 return 0;
6664}
6665
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006666static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6667{
6668 int reg;
6669
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006670 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006671 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006672 else
6673 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006674
6675 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
6676}
6677
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006678static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
6679{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006680 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006681}
6682
6683static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
6684{
6685 u32 i, base = FUNC_ILT_BASE(func);
6686 for (i = base; i < base + ILT_PER_FUNC; i++)
6687 bnx2x_ilt_wr(bp, i, 0);
6688}
6689
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006690static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006691{
6692 int port = BP_PORT(bp);
6693 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006694 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006695 struct bnx2x_ilt *ilt = BP_ILT(bp);
6696 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00006697 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00006698 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00006699 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006700
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006701 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006702
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006703 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00006704 if (!CHIP_IS_E1x(bp)) {
6705 rc = bnx2x_pf_flr_clnup(bp);
6706 if (rc)
6707 return rc;
6708 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006709
Eilon Greenstein8badd272009-02-12 08:36:15 +00006710 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006711 if (bp->common.int_block == INT_BLOCK_HC) {
6712 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
6713 val = REG_RD(bp, addr);
6714 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
6715 REG_WR(bp, addr, val);
6716 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00006717
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006718 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6719 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
6720
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006721 ilt = BP_ILT(bp);
6722 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006723
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006724 for (i = 0; i < L2_ILT_LINES(bp); i++) {
6725 ilt->lines[cdu_ilt_start + i].page =
6726 bp->context.vcxt + (ILT_PAGE_CIDS * i);
6727 ilt->lines[cdu_ilt_start + i].page_mapping =
6728 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
6729 /* cdu ilt pages are allocated manually so there's no need to
6730 set the size */
6731 }
6732 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006733
Michael Chan37b091b2009-10-10 13:46:55 +00006734#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006735 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00006736
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006737 /* T1 hash bits value determines the T1 number of entries */
6738 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00006739#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006740
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006741#ifndef BCM_CNIC
6742 /* set NIC mode */
6743 REG_WR(bp, PRS_REG_NIC_MODE, 1);
6744#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006745
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006746 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006747 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
6748
6749 /* Turn on a single ISR mode in IGU if driver is going to use
6750 * INT#x or MSI
6751 */
6752 if (!(bp->flags & USING_MSIX_FLAG))
6753 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
6754 /*
6755 * Timers workaround bug: function init part.
6756 * Need to wait 20msec after initializing ILT,
6757 * needed to make sure there are no requests in
6758 * one of the PXP internal queues with "old" ILT addresses
6759 */
6760 msleep(20);
6761 /*
6762 * Master enable - Due to WB DMAE writes performed before this
6763 * register is re-initialized as part of the regular function
6764 * init
6765 */
6766 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6767 /* Enable the function in IGU */
6768 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
6769 }
6770
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006771 bp->dmae_ready = 1;
6772
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006773 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006774
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006775 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006776 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
6777
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006778 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6779 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6780 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
6781 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
6782 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6783 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6784 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6785 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6786 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
6787 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6788 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6789 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6790 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006791
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006792 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006793 REG_WR(bp, QM_REG_PF_EN, 1);
6794
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006795 if (!CHIP_IS_E1x(bp)) {
6796 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6797 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6798 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6799 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6800 }
6801 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006802
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006803 bnx2x_init_block(bp, BLOCK_TM, init_phase);
6804 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
6805 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6806 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
6807 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6808 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6809 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6810 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6811 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6812 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6813 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6814 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006815 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
6816
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006817 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006818
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006819 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006820
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006821 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006822 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
6823
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006824 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006825 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006826 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006827 }
6828
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006829 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006830
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006831 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006832 if (bp->common.int_block == INT_BLOCK_HC) {
6833 if (CHIP_IS_E1H(bp)) {
6834 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
6835
6836 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6837 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6838 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006839 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006840
6841 } else {
6842 int num_segs, sb_idx, prod_offset;
6843
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006844 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
6845
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006846 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006847 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6848 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6849 }
6850
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006851 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006852
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006853 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006854 int dsb_idx = 0;
6855 /**
6856 * Producer memory:
6857 * E2 mode: address 0-135 match to the mapping memory;
6858 * 136 - PF0 default prod; 137 - PF1 default prod;
6859 * 138 - PF2 default prod; 139 - PF3 default prod;
6860 * 140 - PF0 attn prod; 141 - PF1 attn prod;
6861 * 142 - PF2 attn prod; 143 - PF3 attn prod;
6862 * 144-147 reserved.
6863 *
6864 * E1.5 mode - In backward compatible mode;
6865 * for non default SB; each even line in the memory
6866 * holds the U producer and each odd line hold
6867 * the C producer. The first 128 producers are for
6868 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
6869 * producers are for the DSB for each PF.
6870 * Each PF has five segments: (the order inside each
6871 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
6872 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
6873 * 144-147 attn prods;
6874 */
6875 /* non-default-status-blocks */
6876 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
6877 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
6878 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
6879 prod_offset = (bp->igu_base_sb + sb_idx) *
6880 num_segs;
6881
6882 for (i = 0; i < num_segs; i++) {
6883 addr = IGU_REG_PROD_CONS_MEMORY +
6884 (prod_offset + i) * 4;
6885 REG_WR(bp, addr, 0);
6886 }
6887 /* send consumer update with value 0 */
6888 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
6889 USTORM_ID, 0, IGU_INT_NOP, 1);
6890 bnx2x_igu_clear_sb(bp,
6891 bp->igu_base_sb + sb_idx);
6892 }
6893
6894 /* default-status-blocks */
6895 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
6896 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
6897
6898 if (CHIP_MODE_IS_4_PORT(bp))
6899 dsb_idx = BP_FUNC(bp);
6900 else
David S. Miller8decf862011-09-22 03:23:13 -04006901 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006902
6903 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
6904 IGU_BC_BASE_DSB_PROD + dsb_idx :
6905 IGU_NORM_BASE_DSB_PROD + dsb_idx);
6906
David S. Miller8decf862011-09-22 03:23:13 -04006907 /*
6908 * igu prods come in chunks of E1HVN_MAX (4) -
6909 * does not matters what is the current chip mode
6910 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006911 for (i = 0; i < (num_segs * E1HVN_MAX);
6912 i += E1HVN_MAX) {
6913 addr = IGU_REG_PROD_CONS_MEMORY +
6914 (prod_offset + i)*4;
6915 REG_WR(bp, addr, 0);
6916 }
6917 /* send consumer update with 0 */
6918 if (CHIP_INT_MODE_IS_BC(bp)) {
6919 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6920 USTORM_ID, 0, IGU_INT_NOP, 1);
6921 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6922 CSTORM_ID, 0, IGU_INT_NOP, 1);
6923 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6924 XSTORM_ID, 0, IGU_INT_NOP, 1);
6925 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6926 TSTORM_ID, 0, IGU_INT_NOP, 1);
6927 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6928 ATTENTION_ID, 0, IGU_INT_NOP, 1);
6929 } else {
6930 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6931 USTORM_ID, 0, IGU_INT_NOP, 1);
6932 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6933 ATTENTION_ID, 0, IGU_INT_NOP, 1);
6934 }
6935 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
6936
6937 /* !!! these should become driver const once
6938 rf-tool supports split-68 const */
6939 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
6940 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
6941 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
6942 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
6943 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
6944 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
6945 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006946 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006947
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006948 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006949 REG_WR(bp, 0x2114, 0xffffffff);
6950 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006951
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00006952 if (CHIP_IS_E1x(bp)) {
6953 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
6954 main_mem_base = HC_REG_MAIN_MEMORY +
6955 BP_PORT(bp) * (main_mem_size * 4);
6956 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
6957 main_mem_width = 8;
6958
6959 val = REG_RD(bp, main_mem_prty_clr);
6960 if (val)
6961 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
6962 "block during "
6963 "function init (0x%x)!\n", val);
6964
6965 /* Clear "false" parity errors in MSI-X table */
6966 for (i = main_mem_base;
6967 i < main_mem_base + main_mem_size * 4;
6968 i += main_mem_width) {
6969 bnx2x_read_dmae(bp, i, main_mem_width / 4);
6970 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
6971 i, main_mem_width / 4);
6972 }
6973 /* Clear HC parity attention */
6974 REG_RD(bp, main_mem_prty_clr);
6975 }
6976
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006977#ifdef BNX2X_STOP_ON_ERROR
6978 /* Enable STORMs SP logging */
6979 REG_WR8(bp, BAR_USTRORM_INTMEM +
6980 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6981 REG_WR8(bp, BAR_TSTRORM_INTMEM +
6982 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6983 REG_WR8(bp, BAR_CSTRORM_INTMEM +
6984 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6985 REG_WR8(bp, BAR_XSTRORM_INTMEM +
6986 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6987#endif
6988
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006989 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006990
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006991 return 0;
6992}
6993
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006994
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006995void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006996{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006997 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006998 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006999 /* end of fastpath */
7000
7001 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007002 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007003
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007004 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7005 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7006
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007007 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007008 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007009
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007010 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
7011 bp->context.size);
7012
7013 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7014
7015 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007016
Michael Chan37b091b2009-10-10 13:46:55 +00007017#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007018 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007019 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7020 sizeof(struct host_hc_status_block_e2));
7021 else
7022 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7023 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007024
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007025 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007026#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007027
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007028 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007029
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007030 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7031 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007032}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007033
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007034static inline int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
7035{
7036 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007037 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007038
Barak Witkowski50f0a562011-12-05 21:52:23 +00007039 /* number of queues for statistics is number of eth queues + FCoE */
7040 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007041
7042 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007043 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7044 * num of queues
7045 */
7046 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007047
7048
7049 /* Request is built from stats_query_header and an array of
7050 * stats_query_cmd_group each of which contains
7051 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7052 * configured in the stats_query_header.
7053 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007054 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7055 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007056
7057 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7058 num_groups * sizeof(struct stats_query_cmd_group);
7059
7060 /* Data for statistics requests + stats_conter
7061 *
7062 * stats_counter holds per-STORM counters that are incremented
7063 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007064 *
7065 * memory for FCoE offloaded statistics are counted anyway,
7066 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007067 */
7068 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7069 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007070 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007071 sizeof(struct per_queue_stats) * num_queue_stats +
7072 sizeof(struct stats_counter);
7073
7074 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7075 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7076
7077 /* Set shortcuts */
7078 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7079 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7080
7081 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7082 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7083
7084 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7085 bp->fw_stats_req_sz;
7086 return 0;
7087
7088alloc_mem_err:
7089 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7090 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7091 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007092}
7093
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007094
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007095int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007096{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007097#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007098 if (!CHIP_IS_E1x(bp))
7099 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007100 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7101 sizeof(struct host_hc_status_block_e2));
7102 else
7103 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
7104 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007105
7106 /* allocate searcher T2 table */
7107 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
7108#endif
7109
7110
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007111 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007112 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007113
7114 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7115 sizeof(struct bnx2x_slowpath));
7116
Mintz Yuval82fa8482012-02-15 02:10:29 +00007117#ifdef BCM_CNIC
7118 /* write address to which L5 should insert its values */
7119 bp->cnic_eth_dev.addr_drv_info_to_mcp = &bp->slowpath->drv_info_to_mcp;
7120#endif
7121
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007122 /* Allocated memory for FW statistics */
7123 if (bnx2x_alloc_fw_stats_mem(bp))
7124 goto alloc_mem_err;
7125
Ariel Elior6383c0b2011-07-14 08:31:57 +00007126 bp->context.size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007127
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007128 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
7129 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007130
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007131 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007132
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007133 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7134 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007135
7136 /* Slow path ring */
7137 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7138
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007139 /* EQ */
7140 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7141 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007142
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007143
7144 /* fastpath */
7145 /* need to be done at the end, since it's self adjusting to amount
7146 * of memory available for RSS queues
7147 */
7148 if (bnx2x_alloc_fp_mem(bp))
7149 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007150 return 0;
7151
7152alloc_mem_err:
7153 bnx2x_free_mem(bp);
7154 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007155}
7156
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007157/*
7158 * Init service functions
7159 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007160
7161int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7162 struct bnx2x_vlan_mac_obj *obj, bool set,
7163 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007164{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007165 int rc;
7166 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007167
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007168 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007169
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007170 /* Fill general parameters */
7171 ramrod_param.vlan_mac_obj = obj;
7172 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007173
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007174 /* Fill a user request section if needed */
7175 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7176 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007177
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007178 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007179
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007180 /* Set the command: ADD or DEL */
7181 if (set)
7182 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7183 else
7184 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007185 }
7186
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007187 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
7188 if (rc < 0)
7189 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
7190 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007191}
7192
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007193int bnx2x_del_all_macs(struct bnx2x *bp,
7194 struct bnx2x_vlan_mac_obj *mac_obj,
7195 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007196{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007197 int rc;
7198 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7199
7200 /* Wait for completion of requested */
7201 if (wait_for_comp)
7202 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7203
7204 /* Set the mac type of addresses we want to clear */
7205 __set_bit(mac_type, &vlan_mac_flags);
7206
7207 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7208 if (rc < 0)
7209 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7210
7211 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007212}
7213
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007214int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007215{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007216 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007217
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007218#ifdef BCM_CNIC
7219 if (is_zero_ether_addr(bp->dev->dev_addr) && IS_MF_ISCSI_SD(bp)) {
7220 DP(NETIF_MSG_IFUP, "Ignoring Zero MAC for iSCSI SD mode\n");
7221 return 0;
7222 }
7223#endif
7224
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007225 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007226
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007227 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7228 /* Eth MAC is set on RSS leading client (fp[0]) */
7229 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->fp->mac_obj, set,
7230 BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007231}
7232
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007233int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007234{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007235 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007236}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007237
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007238/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007239 * bnx2x_set_int_mode - configure interrupt mode
7240 *
7241 * @bp: driver handle
7242 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007243 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007244 */
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007245static void __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007246{
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007247 switch (int_mode) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007248 case INT_MODE_MSI:
7249 bnx2x_enable_msi(bp);
7250 /* falling through... */
7251 case INT_MODE_INTx:
Ariel Elior6383c0b2011-07-14 08:31:57 +00007252 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007253 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007254 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007255 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007256 /* Set number of queues according to bp->multi_mode value */
7257 bnx2x_set_num_queues(bp);
7258
7259 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
7260 bp->num_queues);
7261
7262 /* if we can't use MSI-X we only need one fp,
7263 * so try to enable MSI-X with the requested number of fp's
7264 * and fallback to MSI or legacy INTx with one fp
7265 */
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007266 if (bnx2x_enable_msix(bp)) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007267 /* failed to enable MSI-X */
7268 if (bp->multi_mode)
7269 DP(NETIF_MSG_IFUP,
7270 "Multi requested but failed to "
7271 "enable MSI-X (%d), "
7272 "set number of queues to %d\n",
7273 bp->num_queues,
Ariel Elior6383c0b2011-07-14 08:31:57 +00007274 1 + NON_ETH_CONTEXT_USE);
7275 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007276
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007277 /* Try to enable MSI */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007278 if (!(bp->flags & DISABLE_MSI_FLAG))
7279 bnx2x_enable_msi(bp);
7280 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007281 break;
7282 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007283}
7284
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007285/* must be called prioir to any HW initializations */
7286static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7287{
7288 return L2_ILT_LINES(bp);
7289}
7290
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007291void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007292{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007293 struct ilt_client_info *ilt_client;
7294 struct bnx2x_ilt *ilt = BP_ILT(bp);
7295 u16 line = 0;
7296
7297 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7298 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7299
7300 /* CDU */
7301 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7302 ilt_client->client_num = ILT_CLIENT_CDU;
7303 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7304 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7305 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007306 line += bnx2x_cid_ilt_lines(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007307#ifdef BCM_CNIC
7308 line += CNIC_ILT_LINES;
7309#endif
7310 ilt_client->end = line - 1;
7311
7312 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
7313 "flags 0x%x, hw psz %d\n",
7314 ilt_client->start,
7315 ilt_client->end,
7316 ilt_client->page_size,
7317 ilt_client->flags,
7318 ilog2(ilt_client->page_size >> 12));
7319
7320 /* QM */
7321 if (QM_INIT(bp->qm_cid_count)) {
7322 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7323 ilt_client->client_num = ILT_CLIENT_QM;
7324 ilt_client->page_size = QM_ILT_PAGE_SZ;
7325 ilt_client->flags = 0;
7326 ilt_client->start = line;
7327
7328 /* 4 bytes for each cid */
7329 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7330 QM_ILT_PAGE_SZ);
7331
7332 ilt_client->end = line - 1;
7333
7334 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
7335 "flags 0x%x, hw psz %d\n",
7336 ilt_client->start,
7337 ilt_client->end,
7338 ilt_client->page_size,
7339 ilt_client->flags,
7340 ilog2(ilt_client->page_size >> 12));
7341
7342 }
7343 /* SRC */
7344 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7345#ifdef BCM_CNIC
7346 ilt_client->client_num = ILT_CLIENT_SRC;
7347 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7348 ilt_client->flags = 0;
7349 ilt_client->start = line;
7350 line += SRC_ILT_LINES;
7351 ilt_client->end = line - 1;
7352
7353 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
7354 "flags 0x%x, hw psz %d\n",
7355 ilt_client->start,
7356 ilt_client->end,
7357 ilt_client->page_size,
7358 ilt_client->flags,
7359 ilog2(ilt_client->page_size >> 12));
7360
7361#else
7362 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7363#endif
7364
7365 /* TM */
7366 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7367#ifdef BCM_CNIC
7368 ilt_client->client_num = ILT_CLIENT_TM;
7369 ilt_client->page_size = TM_ILT_PAGE_SZ;
7370 ilt_client->flags = 0;
7371 ilt_client->start = line;
7372 line += TM_ILT_LINES;
7373 ilt_client->end = line - 1;
7374
7375 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
7376 "flags 0x%x, hw psz %d\n",
7377 ilt_client->start,
7378 ilt_client->end,
7379 ilt_client->page_size,
7380 ilt_client->flags,
7381 ilog2(ilt_client->page_size >> 12));
7382
7383#else
7384 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7385#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007386 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007387}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007388
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007389/**
7390 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7391 *
7392 * @bp: driver handle
7393 * @fp: pointer to fastpath
7394 * @init_params: pointer to parameters structure
7395 *
7396 * parameters configured:
7397 * - HC configuration
7398 * - Queue's CDU context
7399 */
7400static inline void bnx2x_pf_q_prep_init(struct bnx2x *bp,
7401 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007402{
Ariel Elior6383c0b2011-07-14 08:31:57 +00007403
7404 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007405 /* FCoE Queue uses Default SB, thus has no HC capabilities */
7406 if (!IS_FCOE_FP(fp)) {
7407 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
7408 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
7409
7410 /* If HC is supporterd, enable host coalescing in the transition
7411 * to INIT state.
7412 */
7413 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
7414 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
7415
7416 /* HC rate */
7417 init_params->rx.hc_rate = bp->rx_ticks ?
7418 (1000000 / bp->rx_ticks) : 0;
7419 init_params->tx.hc_rate = bp->tx_ticks ?
7420 (1000000 / bp->tx_ticks) : 0;
7421
7422 /* FW SB ID */
7423 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
7424 fp->fw_sb_id;
7425
7426 /*
7427 * CQ index among the SB indices: FCoE clients uses the default
7428 * SB, therefore it's different.
7429 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007430 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
7431 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007432 }
7433
Ariel Elior6383c0b2011-07-14 08:31:57 +00007434 /* set maximum number of COSs supported by this queue */
7435 init_params->max_cos = fp->max_cos;
7436
Joe Perches94f05b02011-08-14 12:16:20 +00007437 DP(BNX2X_MSG_SP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007438 fp->index, init_params->max_cos);
7439
7440 /* set the context pointers queue object */
7441 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++)
7442 init_params->cxts[cos] =
7443 &bp->context.vcxt[fp->txdata[cos].cid].eth;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007444}
7445
Ariel Elior6383c0b2011-07-14 08:31:57 +00007446int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7447 struct bnx2x_queue_state_params *q_params,
7448 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
7449 int tx_index, bool leading)
7450{
7451 memset(tx_only_params, 0, sizeof(*tx_only_params));
7452
7453 /* Set the command */
7454 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
7455
7456 /* Set tx-only QUEUE flags: don't zero statistics */
7457 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
7458
7459 /* choose the index of the cid to send the slow path on */
7460 tx_only_params->cid_index = tx_index;
7461
7462 /* Set general TX_ONLY_SETUP parameters */
7463 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
7464
7465 /* Set Tx TX_ONLY_SETUP parameters */
7466 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
7467
7468 DP(BNX2X_MSG_SP, "preparing to send tx-only ramrod for connection:"
7469 "cos %d, primary cid %d, cid %d, "
Joe Perches94f05b02011-08-14 12:16:20 +00007470 "client id %d, sp-client id %d, flags %lx\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007471 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
7472 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
7473 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
7474
7475 /* send the ramrod */
7476 return bnx2x_queue_state_change(bp, q_params);
7477}
7478
7479
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007480/**
7481 * bnx2x_setup_queue - setup queue
7482 *
7483 * @bp: driver handle
7484 * @fp: pointer to fastpath
7485 * @leading: is leading
7486 *
7487 * This function performs 2 steps in a Queue state machine
7488 * actually: 1) RESET->INIT 2) INIT->SETUP
7489 */
7490
7491int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7492 bool leading)
7493{
7494 struct bnx2x_queue_state_params q_params = {0};
7495 struct bnx2x_queue_setup_params *setup_params =
7496 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007497 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
7498 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007499 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007500 u8 tx_index;
7501
Joe Perches94f05b02011-08-14 12:16:20 +00007502 DP(BNX2X_MSG_SP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007503
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007504 /* reset IGU state skip FCoE L2 queue */
7505 if (!IS_FCOE_FP(fp))
7506 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007507 IGU_INT_ENABLE, 0);
7508
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007509 q_params.q_obj = &fp->q_obj;
7510 /* We want to wait for completion in this context */
7511 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007512
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007513 /* Prepare the INIT parameters */
7514 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007515
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007516 /* Set the command */
7517 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007518
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007519 /* Change the state to INIT */
7520 rc = bnx2x_queue_state_change(bp, &q_params);
7521 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00007522 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007523 return rc;
7524 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007525
Joe Perches94f05b02011-08-14 12:16:20 +00007526 DP(BNX2X_MSG_SP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00007527
7528
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007529 /* Now move the Queue to the SETUP state... */
7530 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007531
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007532 /* Set QUEUE flags */
7533 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007534
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007535 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007536 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
7537 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007538
Ariel Elior6383c0b2011-07-14 08:31:57 +00007539 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007540 &setup_params->rxq_params);
7541
Ariel Elior6383c0b2011-07-14 08:31:57 +00007542 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
7543 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007544
7545 /* Set the command */
7546 q_params.cmd = BNX2X_Q_CMD_SETUP;
7547
7548 /* Change the state to SETUP */
7549 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007550 if (rc) {
7551 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
7552 return rc;
7553 }
7554
7555 /* loop through the relevant tx-only indices */
7556 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7557 tx_index < fp->max_cos;
7558 tx_index++) {
7559
7560 /* prepare and send tx-only ramrod*/
7561 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
7562 tx_only_params, tx_index, leading);
7563 if (rc) {
7564 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
7565 fp->index, tx_index);
7566 return rc;
7567 }
7568 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007569
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007570 return rc;
7571}
7572
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007573static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007574{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007575 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007576 struct bnx2x_fp_txdata *txdata;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007577 struct bnx2x_queue_state_params q_params = {0};
Ariel Elior6383c0b2011-07-14 08:31:57 +00007578 int rc, tx_index;
7579
Joe Perches94f05b02011-08-14 12:16:20 +00007580 DP(BNX2X_MSG_SP, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007581
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007582 q_params.q_obj = &fp->q_obj;
7583 /* We want to wait for completion in this context */
7584 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007585
Ariel Elior6383c0b2011-07-14 08:31:57 +00007586
7587 /* close tx-only connections */
7588 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7589 tx_index < fp->max_cos;
7590 tx_index++){
7591
7592 /* ascertain this is a normal queue*/
7593 txdata = &fp->txdata[tx_index];
7594
Joe Perches94f05b02011-08-14 12:16:20 +00007595 DP(BNX2X_MSG_SP, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007596 txdata->txq_index);
7597
7598 /* send halt terminate on tx-only connection */
7599 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
7600 memset(&q_params.params.terminate, 0,
7601 sizeof(q_params.params.terminate));
7602 q_params.params.terminate.cid_index = tx_index;
7603
7604 rc = bnx2x_queue_state_change(bp, &q_params);
7605 if (rc)
7606 return rc;
7607
7608 /* send halt terminate on tx-only connection */
7609 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
7610 memset(&q_params.params.cfc_del, 0,
7611 sizeof(q_params.params.cfc_del));
7612 q_params.params.cfc_del.cid_index = tx_index;
7613 rc = bnx2x_queue_state_change(bp, &q_params);
7614 if (rc)
7615 return rc;
7616 }
7617 /* Stop the primary connection: */
7618 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007619 q_params.cmd = BNX2X_Q_CMD_HALT;
7620 rc = bnx2x_queue_state_change(bp, &q_params);
7621 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007622 return rc;
7623
Ariel Elior6383c0b2011-07-14 08:31:57 +00007624 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007625 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007626 memset(&q_params.params.terminate, 0,
7627 sizeof(q_params.params.terminate));
7628 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007629 rc = bnx2x_queue_state_change(bp, &q_params);
7630 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007631 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007632 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007633 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007634 memset(&q_params.params.cfc_del, 0,
7635 sizeof(q_params.params.cfc_del));
7636 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007637 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007638}
7639
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007640
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007641static void bnx2x_reset_func(struct bnx2x *bp)
7642{
7643 int port = BP_PORT(bp);
7644 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007645 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007646
7647 /* Disable the function in the FW */
7648 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
7649 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
7650 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
7651 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
7652
7653 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007654 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007655 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007656 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00007657 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
7658 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007659 }
7660
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007661#ifdef BCM_CNIC
7662 /* CNIC SB */
7663 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7664 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(bnx2x_cnic_fw_sb_id(bp)),
7665 SB_DISABLED);
7666#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007667 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007668 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00007669 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
7670 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007671
7672 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
7673 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
7674 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08007675
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007676 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007677 if (bp->common.int_block == INT_BLOCK_HC) {
7678 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7679 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7680 } else {
7681 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7682 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7683 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007684
Michael Chan37b091b2009-10-10 13:46:55 +00007685#ifdef BCM_CNIC
7686 /* Disable Timer scan */
7687 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
7688 /*
7689 * Wait for at least 10ms and up to 2 second for the timers scan to
7690 * complete
7691 */
7692 for (i = 0; i < 200; i++) {
7693 msleep(10);
7694 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
7695 break;
7696 }
7697#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007698 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007699 bnx2x_clear_func_ilt(bp, func);
7700
7701 /* Timers workaround bug for E2: if this is vnic-3,
7702 * we need to set the entire ilt range for this timers.
7703 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007704 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007705 struct ilt_client_info ilt_cli;
7706 /* use dummy TM client */
7707 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7708 ilt_cli.start = 0;
7709 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7710 ilt_cli.client_num = ILT_CLIENT_TM;
7711
7712 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7713 }
7714
7715 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007716 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007717 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007718
7719 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007720}
7721
7722static void bnx2x_reset_port(struct bnx2x *bp)
7723{
7724 int port = BP_PORT(bp);
7725 u32 val;
7726
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007727 /* Reset physical Link */
7728 bnx2x__link_reset(bp);
7729
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007730 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7731
7732 /* Do not rcv packets to BRB */
7733 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7734 /* Do not direct rcv packets that are not for MCP to the BRB */
7735 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7736 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7737
7738 /* Configure AEU */
7739 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7740
7741 msleep(100);
7742 /* Check for BRB port occupancy */
7743 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7744 if (val)
7745 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007746 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007747
7748 /* TODO: Close Doorbell port? */
7749}
7750
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007751static inline int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007752{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007753 struct bnx2x_func_state_params func_params = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007754
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007755 /* Prepare parameters for function state transitions */
7756 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007757
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007758 func_params.f_obj = &bp->func_obj;
7759 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007760
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007761 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007762
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007763 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007764}
7765
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007766static inline int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007767{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007768 struct bnx2x_func_state_params func_params = {0};
7769 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007770
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007771 /* Prepare parameters for function state transitions */
7772 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
7773 func_params.f_obj = &bp->func_obj;
7774 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007775
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007776 /*
7777 * Try to stop the function the 'good way'. If fails (in case
7778 * of a parity error during bnx2x_chip_cleanup()) and we are
7779 * not in a debug mode, perform a state transaction in order to
7780 * enable further HW_RESET transaction.
7781 */
7782 rc = bnx2x_func_state_change(bp, &func_params);
7783 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007784#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007785 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007786#else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007787 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry "
7788 "transaction\n");
7789 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
7790 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007791#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007792 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007793
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007794 return 0;
7795}
Yitchak Gertner65abd742008-08-25 15:26:24 -07007796
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007797/**
7798 * bnx2x_send_unload_req - request unload mode from the MCP.
7799 *
7800 * @bp: driver handle
7801 * @unload_mode: requested function's unload mode
7802 *
7803 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
7804 */
7805u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
7806{
7807 u32 reset_code = 0;
7808 int port = BP_PORT(bp);
7809
7810 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007811 if (unload_mode == UNLOAD_NORMAL)
7812 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007813
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007814 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007815 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007816
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007817 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007818 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007819 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007820 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04007821 u16 pmc;
7822
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007823 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04007824 * preserve entry 0 which is used by the PMF
7825 */
David S. Miller8decf862011-09-22 03:23:13 -04007826 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007827
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007828 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007829 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007830
7831 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7832 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007833 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007834
David S. Miller88c51002011-10-07 13:38:43 -04007835 /* Enable the PME and clear the status */
7836 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
7837 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
7838 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
7839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007840 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007841
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007842 } else
7843 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7844
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007845 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007846 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007847 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007848 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007849 int path = BP_PATH(bp);
7850
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007851 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007852 "%d, %d, %d\n",
7853 path, load_count[path][0], load_count[path][1],
7854 load_count[path][2]);
7855 load_count[path][0]--;
7856 load_count[path][1 + port]--;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007857 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007858 "%d, %d, %d\n",
7859 path, load_count[path][0], load_count[path][1],
7860 load_count[path][2]);
7861 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007862 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007863 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007864 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7865 else
7866 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7867 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007868
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007869 return reset_code;
7870}
7871
7872/**
7873 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
7874 *
7875 * @bp: driver handle
7876 */
7877void bnx2x_send_unload_done(struct bnx2x *bp)
7878{
7879 /* Report UNLOAD_DONE to MCP */
7880 if (!BP_NOMCP(bp))
7881 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7882}
7883
Dmitry Kravkov6debea82011-07-19 01:42:04 +00007884static inline int bnx2x_func_wait_started(struct bnx2x *bp)
7885{
7886 int tout = 50;
7887 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
7888
7889 if (!bp->port.pmf)
7890 return 0;
7891
7892 /*
7893 * (assumption: No Attention from MCP at this stage)
7894 * PMF probably in the middle of TXdisable/enable transaction
7895 * 1. Sync IRS for default SB
7896 * 2. Sync SP queue - this guarantes us that attention handling started
7897 * 3. Wait, that TXdisable/enable transaction completes
7898 *
7899 * 1+2 guranty that if DCBx attention was scheduled it already changed
7900 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
7901 * received complettion for the transaction the state is TX_STOPPED.
7902 * State will return to STARTED after completion of TX_STOPPED-->STARTED
7903 * transaction.
7904 */
7905
7906 /* make sure default SB ISR is done */
7907 if (msix)
7908 synchronize_irq(bp->msix_table[0].vector);
7909 else
7910 synchronize_irq(bp->pdev->irq);
7911
7912 flush_workqueue(bnx2x_wq);
7913
7914 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
7915 BNX2X_F_STATE_STARTED && tout--)
7916 msleep(20);
7917
7918 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
7919 BNX2X_F_STATE_STARTED) {
7920#ifdef BNX2X_STOP_ON_ERROR
7921 return -EBUSY;
7922#else
7923 /*
7924 * Failed to complete the transaction in a "good way"
7925 * Force both transactions with CLR bit
7926 */
7927 struct bnx2x_func_state_params func_params = {0};
7928
7929 DP(BNX2X_MSG_SP, "Hmmm... unexpected function state! "
7930 "Forcing STARTED-->TX_ST0PPED-->STARTED\n");
7931
7932 func_params.f_obj = &bp->func_obj;
7933 __set_bit(RAMROD_DRV_CLR_ONLY,
7934 &func_params.ramrod_flags);
7935
7936 /* STARTED-->TX_ST0PPED */
7937 func_params.cmd = BNX2X_F_CMD_TX_STOP;
7938 bnx2x_func_state_change(bp, &func_params);
7939
7940 /* TX_ST0PPED-->STARTED */
7941 func_params.cmd = BNX2X_F_CMD_TX_START;
7942 return bnx2x_func_state_change(bp, &func_params);
7943#endif
7944 }
7945
7946 return 0;
7947}
7948
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007949void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
7950{
7951 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007952 int i, rc = 0;
7953 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007954 struct bnx2x_mcast_ramrod_params rparam = {0};
7955 u32 reset_code;
7956
7957 /* Wait until tx fastpath tasks complete */
7958 for_each_tx_queue(bp, i) {
7959 struct bnx2x_fastpath *fp = &bp->fp[i];
7960
Ariel Elior6383c0b2011-07-14 08:31:57 +00007961 for_each_cos_in_tx_queue(fp, cos)
7962 rc = bnx2x_clean_tx_queue(bp, &fp->txdata[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007963#ifdef BNX2X_STOP_ON_ERROR
7964 if (rc)
7965 return;
7966#endif
7967 }
7968
7969 /* Give HW time to discard old tx messages */
7970 usleep_range(1000, 1000);
7971
7972 /* Clean all ETH MACs */
7973 rc = bnx2x_del_all_macs(bp, &bp->fp[0].mac_obj, BNX2X_ETH_MAC, false);
7974 if (rc < 0)
7975 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
7976
7977 /* Clean up UC list */
7978 rc = bnx2x_del_all_macs(bp, &bp->fp[0].mac_obj, BNX2X_UC_LIST_MAC,
7979 true);
7980 if (rc < 0)
7981 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: "
7982 "%d\n", rc);
7983
7984 /* Disable LLH */
7985 if (!CHIP_IS_E1(bp))
7986 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7987
7988 /* Set "drop all" (stop Rx).
7989 * We need to take a netif_addr_lock() here in order to prevent
7990 * a race between the completion code and this code.
7991 */
7992 netif_addr_lock_bh(bp->dev);
7993 /* Schedule the rx_mode command */
7994 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
7995 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
7996 else
7997 bnx2x_set_storm_rx_mode(bp);
7998
7999 /* Cleanup multicast configuration */
8000 rparam.mcast_obj = &bp->mcast_obj;
8001 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8002 if (rc < 0)
8003 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8004
8005 netif_addr_unlock_bh(bp->dev);
8006
8007
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008008
8009 /*
8010 * Send the UNLOAD_REQUEST to the MCP. This will return if
8011 * this function should perform FUNC, PORT or COMMON HW
8012 * reset.
8013 */
8014 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8015
8016 /*
8017 * (assumption: No Attention from MCP at this stage)
8018 * PMF probably in the middle of TXdisable/enable transaction
8019 */
8020 rc = bnx2x_func_wait_started(bp);
8021 if (rc) {
8022 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8023#ifdef BNX2X_STOP_ON_ERROR
8024 return;
8025#endif
8026 }
8027
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008028 /* Close multi and leading connections
8029 * Completions for ramrods are collected in a synchronous way
8030 */
8031 for_each_queue(bp, i)
8032 if (bnx2x_stop_queue(bp, i))
8033#ifdef BNX2X_STOP_ON_ERROR
8034 return;
8035#else
8036 goto unload_error;
8037#endif
8038 /* If SP settings didn't get completed so far - something
8039 * very wrong has happen.
8040 */
8041 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8042 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8043
8044#ifndef BNX2X_STOP_ON_ERROR
8045unload_error:
8046#endif
8047 rc = bnx2x_func_stop(bp);
8048 if (rc) {
8049 BNX2X_ERR("Function stop failed!\n");
8050#ifdef BNX2X_STOP_ON_ERROR
8051 return;
8052#endif
8053 }
8054
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008055 /* Disable HW interrupts, NAPI */
8056 bnx2x_netif_stop(bp, 1);
8057
8058 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008059 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008060
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008061 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008062 rc = bnx2x_reset_hw(bp, reset_code);
8063 if (rc)
8064 BNX2X_ERR("HW_RESET failed\n");
8065
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008066
8067 /* Report UNLOAD_DONE to MCP */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008068 bnx2x_send_unload_done(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008069}
8070
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008071void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008072{
8073 u32 val;
8074
8075 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
8076
8077 if (CHIP_IS_E1(bp)) {
8078 int port = BP_PORT(bp);
8079 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8080 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8081
8082 val = REG_RD(bp, addr);
8083 val &= ~(0x300);
8084 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008085 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008086 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8087 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8088 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8089 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8090 }
8091}
8092
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008093/* Close gates #2, #3 and #4: */
8094static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8095{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008096 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008097
8098 /* Gates #2 and #4a are closed/opened for "not E1" only */
8099 if (!CHIP_IS_E1(bp)) {
8100 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008101 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008102 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008103 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008104 }
8105
8106 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008107 if (CHIP_IS_E1x(bp)) {
8108 /* Prevent interrupts from HC on both ports */
8109 val = REG_RD(bp, HC_REG_CONFIG_1);
8110 REG_WR(bp, HC_REG_CONFIG_1,
8111 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8112 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8113
8114 val = REG_RD(bp, HC_REG_CONFIG_0);
8115 REG_WR(bp, HC_REG_CONFIG_0,
8116 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8117 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8118 } else {
8119 /* Prevent incomming interrupts in IGU */
8120 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8121
8122 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8123 (!close) ?
8124 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8125 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8126 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008127
8128 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
8129 close ? "closing" : "opening");
8130 mmiowb();
8131}
8132
8133#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8134
8135static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8136{
8137 /* Do some magic... */
8138 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8139 *magic_val = val & SHARED_MF_CLP_MAGIC;
8140 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8141}
8142
Dmitry Kravkove8920672011-05-04 23:52:40 +00008143/**
8144 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008145 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008146 * @bp: driver handle
8147 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008148 */
8149static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8150{
8151 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008152 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8153 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8154 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8155}
8156
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008157/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008158 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008159 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008160 * @bp: driver handle
8161 * @magic_val: old value of 'magic' bit.
8162 *
8163 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008164 */
8165static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8166{
8167 u32 shmem;
8168 u32 validity_offset;
8169
8170 DP(NETIF_MSG_HW, "Starting\n");
8171
8172 /* Set `magic' bit in order to save MF config */
8173 if (!CHIP_IS_E1(bp))
8174 bnx2x_clp_reset_prep(bp, magic_val);
8175
8176 /* Get shmem offset */
8177 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8178 validity_offset = offsetof(struct shmem_region, validity_map[0]);
8179
8180 /* Clear validity map flags */
8181 if (shmem > 0)
8182 REG_WR(bp, shmem + validity_offset, 0);
8183}
8184
8185#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8186#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8187
Dmitry Kravkove8920672011-05-04 23:52:40 +00008188/**
8189 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008190 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008191 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008192 */
8193static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
8194{
8195 /* special handling for emulation and FPGA,
8196 wait 10 times longer */
8197 if (CHIP_REV_IS_SLOW(bp))
8198 msleep(MCP_ONE_TIMEOUT*10);
8199 else
8200 msleep(MCP_ONE_TIMEOUT);
8201}
8202
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008203/*
8204 * initializes bp->common.shmem_base and waits for validity signature to appear
8205 */
8206static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008207{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008208 int cnt = 0;
8209 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008210
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008211 do {
8212 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8213 if (bp->common.shmem_base) {
8214 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8215 if (val & SHR_MEM_VALIDITY_MB)
8216 return 0;
8217 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008218
8219 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008220
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008221 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008222
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008223 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008224
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008225 return -ENODEV;
8226}
8227
8228static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8229{
8230 int rc = bnx2x_init_shmem(bp);
8231
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008232 /* Restore the `magic' bit value */
8233 if (!CHIP_IS_E1(bp))
8234 bnx2x_clp_reset_done(bp, magic_val);
8235
8236 return rc;
8237}
8238
8239static void bnx2x_pxp_prep(struct bnx2x *bp)
8240{
8241 if (!CHIP_IS_E1(bp)) {
8242 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8243 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008244 mmiowb();
8245 }
8246}
8247
8248/*
8249 * Reset the whole chip except for:
8250 * - PCIE core
8251 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8252 * one reset bit)
8253 * - IGU
8254 * - MISC (including AEU)
8255 * - GRC
8256 * - RBCN, RBCP
8257 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008258static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008259{
8260 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008261 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008262
8263 /*
8264 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8265 * (per chip) blocks.
8266 */
8267 global_bits2 =
8268 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8269 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008270
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008271 /* Don't reset the following blocks */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008272 not_reset_mask1 =
8273 MISC_REGISTERS_RESET_REG_1_RST_HC |
8274 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8275 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8276
8277 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008278 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008279 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8280 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8281 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8282 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8283 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8284 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008285 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8286 MISC_REGISTERS_RESET_REG_2_RST_ATC |
8287 MISC_REGISTERS_RESET_REG_2_PGLC;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008288
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008289 /*
8290 * Keep the following blocks in reset:
8291 * - all xxMACs are handled by the bnx2x_link code.
8292 */
8293 stay_reset2 =
8294 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
8295 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
8296 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
8297 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
8298 MISC_REGISTERS_RESET_REG_2_UMAC0 |
8299 MISC_REGISTERS_RESET_REG_2_UMAC1 |
8300 MISC_REGISTERS_RESET_REG_2_XMAC |
8301 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8302
8303 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008304 reset_mask1 = 0xffffffff;
8305
8306 if (CHIP_IS_E1(bp))
8307 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008308 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008309 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008310 else if (CHIP_IS_E2(bp))
8311 reset_mask2 = 0xfffff;
8312 else /* CHIP_IS_E3 */
8313 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008314
8315 /* Don't reset global blocks unless we need to */
8316 if (!global)
8317 reset_mask2 &= ~global_bits2;
8318
8319 /*
8320 * In case of attention in the QM, we need to reset PXP
8321 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8322 * because otherwise QM reset would release 'close the gates' shortly
8323 * before resetting the PXP, then the PSWRQ would send a write
8324 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8325 * read the payload data from PSWWR, but PSWWR would not
8326 * respond. The write queue in PGLUE would stuck, dmae commands
8327 * would not return. Therefore it's important to reset the second
8328 * reset register (containing the
8329 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8330 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8331 * bit).
8332 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008333 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8334 reset_mask2 & (~not_reset_mask2));
8335
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008336 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8337 reset_mask1 & (~not_reset_mask1));
8338
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008339 barrier();
8340 mmiowb();
8341
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008342 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8343 reset_mask2 & (~stay_reset2));
8344
8345 barrier();
8346 mmiowb();
8347
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008348 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008349 mmiowb();
8350}
8351
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008352/**
8353 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8354 * It should get cleared in no more than 1s.
8355 *
8356 * @bp: driver handle
8357 *
8358 * It should get cleared in no more than 1s. Returns 0 if
8359 * pending writes bit gets cleared.
8360 */
8361static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8362{
8363 u32 cnt = 1000;
8364 u32 pend_bits = 0;
8365
8366 do {
8367 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8368
8369 if (pend_bits == 0)
8370 break;
8371
8372 usleep_range(1000, 1000);
8373 } while (cnt-- > 0);
8374
8375 if (cnt <= 0) {
8376 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
8377 pend_bits);
8378 return -EBUSY;
8379 }
8380
8381 return 0;
8382}
8383
8384static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008385{
8386 int cnt = 1000;
8387 u32 val = 0;
8388 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
8389
8390
8391 /* Empty the Tetris buffer, wait for 1s */
8392 do {
8393 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
8394 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
8395 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
8396 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
8397 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
8398 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
8399 ((port_is_idle_0 & 0x1) == 0x1) &&
8400 ((port_is_idle_1 & 0x1) == 0x1) &&
8401 (pgl_exp_rom2 == 0xffffffff))
8402 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008403 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008404 } while (cnt-- > 0);
8405
8406 if (cnt <= 0) {
8407 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
8408 " are still"
8409 " outstanding read requests after 1s!\n");
8410 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
8411 " port_is_idle_0=0x%08x,"
8412 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
8413 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
8414 pgl_exp_rom2);
8415 return -EAGAIN;
8416 }
8417
8418 barrier();
8419
8420 /* Close gates #2, #3 and #4 */
8421 bnx2x_set_234_gates(bp, true);
8422
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008423 /* Poll for IGU VQs for 57712 and newer chips */
8424 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
8425 return -EAGAIN;
8426
8427
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008428 /* TBD: Indicate that "process kill" is in progress to MCP */
8429
8430 /* Clear "unprepared" bit */
8431 REG_WR(bp, MISC_REG_UNPREPARED, 0);
8432 barrier();
8433
8434 /* Make sure all is written to the chip before the reset */
8435 mmiowb();
8436
8437 /* Wait for 1ms to empty GLUE and PCI-E core queues,
8438 * PSWHST, GRC and PSWRD Tetris buffer.
8439 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008440 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008441
8442 /* Prepare to chip reset: */
8443 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008444 if (global)
8445 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008446
8447 /* PXP */
8448 bnx2x_pxp_prep(bp);
8449 barrier();
8450
8451 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008452 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008453 barrier();
8454
8455 /* Recover after reset: */
8456 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008457 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008458 return -EAGAIN;
8459
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008460 /* TBD: Add resetting the NO_MCP mode DB here */
8461
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008462 /* PXP */
8463 bnx2x_pxp_prep(bp);
8464
8465 /* Open the gates #2, #3 and #4 */
8466 bnx2x_set_234_gates(bp, false);
8467
8468 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
8469 * reset state, re-enable attentions. */
8470
8471 return 0;
8472}
8473
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008474int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008475{
8476 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008477 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00008478 u32 load_code;
8479
8480 /* if not going to reset MCP - load "fake" driver to reset HW while
8481 * driver is owner of the HW
8482 */
8483 if (!global && !BP_NOMCP(bp)) {
8484 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ, 0);
8485 if (!load_code) {
8486 BNX2X_ERR("MCP response failure, aborting\n");
8487 rc = -EAGAIN;
8488 goto exit_leader_reset;
8489 }
8490 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
8491 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
8492 BNX2X_ERR("MCP unexpected resp, aborting\n");
8493 rc = -EAGAIN;
8494 goto exit_leader_reset2;
8495 }
8496 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
8497 if (!load_code) {
8498 BNX2X_ERR("MCP response failure, aborting\n");
8499 rc = -EAGAIN;
8500 goto exit_leader_reset2;
8501 }
8502 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008503
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008504 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008505 if (bnx2x_process_kill(bp, global)) {
8506 netdev_err(bp->dev, "Something bad had happen on engine %d! "
8507 "Aii!\n", BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008508 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008509 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008510 }
8511
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008512 /*
8513 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
8514 * state.
8515 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008516 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008517 if (global)
8518 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008519
Ariel Elior95c6c6162012-01-26 06:01:52 +00008520exit_leader_reset2:
8521 /* unload "fake driver" if it was loaded */
8522 if (!global && !BP_NOMCP(bp)) {
8523 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
8524 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8525 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008526exit_leader_reset:
8527 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008528 bnx2x_release_leader_lock(bp);
8529 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008530 return rc;
8531}
8532
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008533static inline void bnx2x_recovery_failed(struct bnx2x *bp)
8534{
8535 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
8536
8537 /* Disconnect this device */
8538 netif_device_detach(bp->dev);
8539
8540 /*
8541 * Block ifup for all function on this engine until "process kill"
8542 * or power cycle.
8543 */
8544 bnx2x_set_reset_in_progress(bp);
8545
8546 /* Shut down the power */
8547 bnx2x_set_power_state(bp, PCI_D3hot);
8548
8549 bp->recovery_state = BNX2X_RECOVERY_FAILED;
8550
8551 smp_mb();
8552}
8553
8554/*
8555 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00008556 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008557 * will never be called when netif_running(bp->dev) is false.
8558 */
8559static void bnx2x_parity_recover(struct bnx2x *bp)
8560{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008561 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00008562 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008563 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008564
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008565 DP(NETIF_MSG_HW, "Handling parity\n");
8566 while (1) {
8567 switch (bp->recovery_state) {
8568 case BNX2X_RECOVERY_INIT:
8569 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00008570 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
8571 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008572
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008573 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008574 if (bnx2x_trylock_leader_lock(bp)) {
8575 bnx2x_set_reset_in_progress(bp);
8576 /*
8577 * Check if there is a global attention and if
8578 * there was a global attention, set the global
8579 * reset bit.
8580 */
8581
8582 if (global)
8583 bnx2x_set_reset_global(bp);
8584
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008585 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008586 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008587
8588 /* Stop the driver */
8589 /* If interface has been removed - break */
8590 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
8591 return;
8592
8593 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008594
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008595 /* Ensure "is_leader", MCP command sequence and
8596 * "recovery_state" update values are seen on other
8597 * CPUs.
8598 */
8599 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008600 break;
8601
8602 case BNX2X_RECOVERY_WAIT:
8603 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
8604 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008605 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00008606 bool other_load_status =
8607 bnx2x_get_load_status(bp, other_engine);
8608 bool load_status =
8609 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008610 global = bnx2x_reset_is_global(bp);
8611
8612 /*
8613 * In case of a parity in a global block, let
8614 * the first leader that performs a
8615 * leader_reset() reset the global blocks in
8616 * order to clear global attentions. Otherwise
8617 * the the gates will remain closed for that
8618 * engine.
8619 */
Ariel Elior889b9af2012-01-26 06:01:51 +00008620 if (load_status ||
8621 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008622 /* Wait until all other functions get
8623 * down.
8624 */
Ariel Elior7be08a72011-07-14 08:31:19 +00008625 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008626 HZ/10);
8627 return;
8628 } else {
8629 /* If all other functions got down -
8630 * try to bring the chip back to
8631 * normal. In any case it's an exit
8632 * point for a leader.
8633 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008634 if (bnx2x_leader_reset(bp)) {
8635 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008636 return;
8637 }
8638
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008639 /* If we are here, means that the
8640 * leader has succeeded and doesn't
8641 * want to be a leader any more. Try
8642 * to continue as a none-leader.
8643 */
8644 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008645 }
8646 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008647 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008648 /* Try to get a LEADER_LOCK HW lock as
8649 * long as a former leader may have
8650 * been unloaded by the user or
8651 * released a leadership by another
8652 * reason.
8653 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008654 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008655 /* I'm a leader now! Restart a
8656 * switch case.
8657 */
8658 bp->is_leader = 1;
8659 break;
8660 }
8661
Ariel Elior7be08a72011-07-14 08:31:19 +00008662 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008663 HZ/10);
8664 return;
8665
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008666 } else {
8667 /*
8668 * If there was a global attention, wait
8669 * for it to be cleared.
8670 */
8671 if (bnx2x_reset_is_global(bp)) {
8672 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00008673 &bp->sp_rtnl_task,
8674 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008675 return;
8676 }
8677
Ariel Elior7a752992012-01-26 06:01:53 +00008678 error_recovered =
8679 bp->eth_stats.recoverable_error;
8680 error_unrecovered =
8681 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008682 bp->recovery_state =
8683 BNX2X_RECOVERY_NIC_LOADING;
8684 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00008685 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008686 netdev_err(bp->dev,
8687 "Recovery failed. "
8688 "Power cycle "
8689 "needed\n");
8690 /* Disconnect this device */
8691 netif_device_detach(bp->dev);
8692 /* Shut down the power */
8693 bnx2x_set_power_state(
8694 bp, PCI_D3hot);
8695 smp_mb();
8696 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008697 bp->recovery_state =
8698 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00008699 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008700 smp_mb();
8701 }
Ariel Elior7a752992012-01-26 06:01:53 +00008702 bp->eth_stats.recoverable_error =
8703 error_recovered;
8704 bp->eth_stats.unrecoverable_error =
8705 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008706
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008707 return;
8708 }
8709 }
8710 default:
8711 return;
8712 }
8713 }
8714}
8715
Michal Schmidt56ad3152012-02-16 02:38:48 +00008716static int bnx2x_close(struct net_device *dev);
8717
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008718/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
8719 * scheduled on a general queue in order to prevent a dead lock.
8720 */
Ariel Elior7be08a72011-07-14 08:31:19 +00008721static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008722{
Ariel Elior7be08a72011-07-14 08:31:19 +00008723 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008724
8725 rtnl_lock();
8726
8727 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00008728 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008729
Ariel Elior7be08a72011-07-14 08:31:19 +00008730 /* if stop on error is defined no recovery flows should be executed */
8731#ifdef BNX2X_STOP_ON_ERROR
8732 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined "
8733 "so reset not done to allow debug dump,\n"
8734 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008735 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00008736#endif
8737
8738 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
8739 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008740 * Clear all pending SP commands as we are going to reset the
8741 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00008742 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008743 bp->sp_rtnl_state = 0;
8744 smp_mb();
8745
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008746 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008747
8748 goto sp_rtnl_exit;
8749 }
8750
8751 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
8752 /*
8753 * Clear all pending SP commands as we are going to reset the
8754 * function anyway.
8755 */
8756 bp->sp_rtnl_state = 0;
8757 smp_mb();
8758
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008759 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8760 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008761
8762 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008763 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008764#ifdef BNX2X_STOP_ON_ERROR
8765sp_rtnl_not_reset:
8766#endif
8767 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
8768 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008769
Ariel Elior83048592011-11-13 04:34:29 +00008770 /*
8771 * in case of fan failure we need to reset id if the "stop on error"
8772 * debug flag is set, since we trying to prevent permanent overheating
8773 * damage
8774 */
8775 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Dmitry Kravkov5219e4c2011-11-14 14:36:40 -05008776 DP(BNX2X_MSG_SP, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00008777 netif_device_detach(bp->dev);
8778 bnx2x_close(bp->dev);
8779 }
8780
Ariel Elior7be08a72011-07-14 08:31:19 +00008781sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008782 rtnl_unlock();
8783}
8784
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008785/* end of nic load/unload */
8786
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008787static void bnx2x_period_task(struct work_struct *work)
8788{
8789 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
8790
8791 if (!netif_running(bp->dev))
8792 goto period_task_exit;
8793
8794 if (CHIP_REV_IS_SLOW(bp)) {
8795 BNX2X_ERR("period task called on emulation, ignoring\n");
8796 goto period_task_exit;
8797 }
8798
8799 bnx2x_acquire_phy_lock(bp);
8800 /*
8801 * The barrier is needed to ensure the ordering between the writing to
8802 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
8803 * the reading here.
8804 */
8805 smp_mb();
8806 if (bp->port.pmf) {
8807 bnx2x_period_func(&bp->link_params, &bp->link_vars);
8808
8809 /* Re-queue task in 1 sec */
8810 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
8811 }
8812
8813 bnx2x_release_phy_lock(bp);
8814period_task_exit:
8815 return;
8816}
8817
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008818/*
8819 * Init service functions
8820 */
8821
stephen hemminger8d962862010-10-21 07:50:56 +00008822static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008823{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008824 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
8825 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
8826 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008827}
8828
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008829static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008830{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008831 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008832
8833 /* Flush all outstanding writes */
8834 mmiowb();
8835
8836 /* Pretend to be function 0 */
8837 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008838 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008839
8840 /* From now we are in the "like-E1" mode */
8841 bnx2x_int_disable(bp);
8842
8843 /* Flush all outstanding writes */
8844 mmiowb();
8845
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008846 /* Restore the original function */
8847 REG_WR(bp, reg, BP_ABS_FUNC(bp));
8848 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008849}
8850
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008851static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008852{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008853 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008854 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008855 else
8856 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008857}
8858
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008859static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008860{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008861 u32 val;
8862
Ariel Eliorf16da432012-01-26 06:01:50 +00008863 /* possibly another driver is trying to reset the chip */
8864 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller8decf862011-09-22 03:23:13 -04008865
Ariel Eliorf16da432012-01-26 06:01:50 +00008866 /* check if doorbell queue is reset */
8867 if (REG_RD(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET)
8868 & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
8869
David S. Miller8decf862011-09-22 03:23:13 -04008870 /*
8871 * Check if it is the UNDI driver
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008872 * UNDI driver initializes CID offset for normal bell to 0x7
8873 */
8874 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
8875 if (val == 0x7) {
8876 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008877 /* save our pf_num */
8878 int orig_pf_num = bp->pf_num;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008879 int port;
8880 u32 swap_en, swap_val, value;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008881
Eilon Greensteinb4661732009-01-14 06:43:56 +00008882 /* clear the UNDI indication */
8883 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
8884
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008885 BNX2X_DEV_INFO("UNDI is active! reset device\n");
8886
8887 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008888 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008889 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008890 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008891 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008892 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008893
8894 /* if UNDI is loaded on the other port */
8895 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
8896
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008897 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008898 bnx2x_fw_command(bp,
8899 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008900
8901 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008902 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008903 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008904 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008905 DRV_MSG_SEQ_NUMBER_MASK);
8906 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008907
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008908 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008909 }
8910
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008911 bnx2x_undi_int_disable(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008912 port = BP_PORT(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008913
8914 /* close input traffic and wait for it */
8915 /* Do not rcv packets to BRB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008916 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
8917 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008918 /* Do not direct rcv packets that are not for MCP to
8919 * the BRB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008920 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8921 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008922 /* clear AEU */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008923 REG_WR(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8924 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008925 msleep(10);
8926
8927 /* save NIG port swap info */
8928 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8929 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008930 /* reset device */
8931 REG_WR(bp,
8932 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008933 0xd3ffffff);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008934
8935 value = 0x1400;
8936 if (CHIP_IS_E3(bp)) {
8937 value |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
8938 value |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
8939 }
8940
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008941 REG_WR(bp,
8942 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008943 value);
8944
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008945 /* take the NIG out of reset and restore swap values */
8946 REG_WR(bp,
8947 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
8948 MISC_REGISTERS_RESET_REG_1_RST_NIG);
8949 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
8950 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
8951
8952 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008953 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008954
8955 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008956 bp->pf_num = orig_pf_num;
David S. Miller8decf862011-09-22 03:23:13 -04008957 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008958 }
Ariel Eliorf16da432012-01-26 06:01:50 +00008959
8960 /* now it's safe to release the lock */
8961 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008962}
8963
8964static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
8965{
Barak Witkowski1d187b32011-12-05 22:41:50 +00008966 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07008967 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008968
8969 /* Get the chip revision id and number. */
8970 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
8971 val = REG_RD(bp, MISC_REG_CHIP_NUM);
8972 id = ((val & 0xffff) << 16);
8973 val = REG_RD(bp, MISC_REG_CHIP_REV);
8974 id |= ((val & 0xf) << 12);
8975 val = REG_RD(bp, MISC_REG_CHIP_METAL);
8976 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00008977 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008978 id |= (val & 0xf);
8979 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008980
8981 /* Set doorbell size */
8982 bp->db_size = (1 << BNX2X_DB_SHIFT);
8983
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008984 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008985 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
8986 if ((val & 1) == 0)
8987 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
8988 else
8989 val = (val >> 1) & 1;
8990 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
8991 "2_PORT_MODE");
8992 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
8993 CHIP_2_PORT_MODE;
8994
8995 if (CHIP_MODE_IS_4_PORT(bp))
8996 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
8997 else
8998 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
8999 } else {
9000 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
9001 bp->pfid = bp->pf_num; /* 0..7 */
9002 }
9003
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009004 bp->link_params.chip_id = bp->common.chip_id;
9005 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009006
Eilon Greenstein1c063282009-02-12 08:36:43 +00009007 val = (REG_RD(bp, 0x2874) & 0x55);
9008 if ((bp->common.chip_id & 0x1) ||
9009 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9010 bp->flags |= ONE_PORT_FLAG;
9011 BNX2X_DEV_INFO("single port device\n");
9012 }
9013
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009014 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009015 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009016 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9017 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9018 bp->common.flash_size, bp->common.flash_size);
9019
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009020 bnx2x_init_shmem(bp);
9021
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009022
9023
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009024 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9025 MISC_REG_GENERIC_CR_1 :
9026 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009027
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009028 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009029 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009030 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9031 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009032
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009033 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009034 BNX2X_DEV_INFO("MCP not active\n");
9035 bp->flags |= NO_MCP_FLAG;
9036 return;
9037 }
9038
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009039 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009040 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009041
9042 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9043 SHARED_HW_CFG_LED_MODE_MASK) >>
9044 SHARED_HW_CFG_LED_MODE_SHIFT);
9045
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009046 bp->link_params.feature_config_flags = 0;
9047 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9048 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9049 bp->link_params.feature_config_flags |=
9050 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9051 else
9052 bp->link_params.feature_config_flags &=
9053 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9054
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009055 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9056 bp->common.bc_ver = val;
9057 BNX2X_DEV_INFO("bc_ver %X\n", val);
9058 if (val < BNX2X_BC_VER) {
9059 /* for now only warn
9060 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009061 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
9062 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009063 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009064 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009065 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009066 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9067
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009068 bp->link_params.feature_config_flags |=
9069 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9070 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009071
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009072 bp->link_params.feature_config_flags |=
9073 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9074 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009075 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9076 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009077
Barak Witkowski1d187b32011-12-05 22:41:50 +00009078 boot_mode = SHMEM_RD(bp,
9079 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9080 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9081 switch (boot_mode) {
9082 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9083 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9084 break;
9085 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9086 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9087 break;
9088 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9089 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9090 break;
9091 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9092 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9093 break;
9094 }
9095
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009096 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9097 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9098
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009099 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009100 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009101
9102 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9103 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9104 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9105 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9106
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009107 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9108 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009109}
9110
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009111#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9112#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9113
9114static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9115{
9116 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009117 int igu_sb_id;
9118 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009119 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009120
9121 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009122 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009123 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009124 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009125 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9126 FP_SB_MAX_E1x;
9127
9128 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9129 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9130
9131 return;
9132 }
9133
9134 /* IGU in normal mode - read CAM */
9135 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9136 igu_sb_id++) {
9137 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
9138 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
9139 continue;
9140 fid = IGU_FID(val);
9141 if ((fid & IGU_FID_ENCODE_IS_PF)) {
9142 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
9143 continue;
9144 if (IGU_VEC(val) == 0)
9145 /* default status block */
9146 bp->igu_dsb_id = igu_sb_id;
9147 else {
9148 if (bp->igu_base_sb == 0xff)
9149 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009150 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009151 }
9152 }
9153 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009154
Ariel Elior6383c0b2011-07-14 08:31:57 +00009155#ifdef CONFIG_PCI_MSI
9156 /*
9157 * It's expected that number of CAM entries for this functions is equal
9158 * to the number evaluated based on the MSI-X table size. We want a
9159 * harsh warning if these values are different!
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009160 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00009161 WARN_ON(bp->igu_sb_cnt != igu_sb_cnt);
9162#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009163
Ariel Elior6383c0b2011-07-14 08:31:57 +00009164 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009165 BNX2X_ERR("CAM configuration error\n");
9166}
9167
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009168static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
9169 u32 switch_cfg)
9170{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009171 int cfg_size = 0, idx, port = BP_PORT(bp);
9172
9173 /* Aggregation of supported attributes of all external phys */
9174 bp->port.supported[0] = 0;
9175 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009176 switch (bp->link_params.num_phys) {
9177 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009178 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
9179 cfg_size = 1;
9180 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009181 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009182 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
9183 cfg_size = 1;
9184 break;
9185 case 3:
9186 if (bp->link_params.multi_phy_config &
9187 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
9188 bp->port.supported[1] =
9189 bp->link_params.phy[EXT_PHY1].supported;
9190 bp->port.supported[0] =
9191 bp->link_params.phy[EXT_PHY2].supported;
9192 } else {
9193 bp->port.supported[0] =
9194 bp->link_params.phy[EXT_PHY1].supported;
9195 bp->port.supported[1] =
9196 bp->link_params.phy[EXT_PHY2].supported;
9197 }
9198 cfg_size = 2;
9199 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009200 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009201
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009202 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009203 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009204 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009205 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009206 dev_info.port_hw_config[port].external_phy_config),
9207 SHMEM_RD(bp,
9208 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009209 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009210 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009211
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009212 if (CHIP_IS_E3(bp))
9213 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
9214 else {
9215 switch (switch_cfg) {
9216 case SWITCH_CFG_1G:
9217 bp->port.phy_addr = REG_RD(
9218 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
9219 break;
9220 case SWITCH_CFG_10G:
9221 bp->port.phy_addr = REG_RD(
9222 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
9223 break;
9224 default:
9225 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
9226 bp->port.link_config[0]);
9227 return;
9228 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009229 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009230 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009231 /* mask what we support according to speed_cap_mask per configuration */
9232 for (idx = 0; idx < cfg_size; idx++) {
9233 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009234 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009235 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009236
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009237 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009238 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009239 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009240
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009241 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009242 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009243 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009244
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009245 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009246 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009247 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009248
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009249 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009250 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009251 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009252 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009253
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009254 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009255 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009256 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009257
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009258 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009259 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009260 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009261
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009262 }
9263
9264 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
9265 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009266}
9267
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009268static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009269{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009270 u32 link_config, idx, cfg_size = 0;
9271 bp->port.advertising[0] = 0;
9272 bp->port.advertising[1] = 0;
9273 switch (bp->link_params.num_phys) {
9274 case 1:
9275 case 2:
9276 cfg_size = 1;
9277 break;
9278 case 3:
9279 cfg_size = 2;
9280 break;
9281 }
9282 for (idx = 0; idx < cfg_size; idx++) {
9283 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
9284 link_config = bp->port.link_config[idx];
9285 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009286 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009287 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
9288 bp->link_params.req_line_speed[idx] =
9289 SPEED_AUTO_NEG;
9290 bp->port.advertising[idx] |=
9291 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +00009292 if (bp->link_params.phy[EXT_PHY1].type ==
9293 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9294 bp->port.advertising[idx] |=
9295 (SUPPORTED_100baseT_Half |
9296 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009297 } else {
9298 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009299 bp->link_params.req_line_speed[idx] =
9300 SPEED_10000;
9301 bp->port.advertising[idx] |=
9302 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009303 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009304 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009305 }
9306 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009307
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009308 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009309 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
9310 bp->link_params.req_line_speed[idx] =
9311 SPEED_10;
9312 bp->port.advertising[idx] |=
9313 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009314 ADVERTISED_TP);
9315 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009316 BNX2X_ERR("NVRAM config error. "
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009317 "Invalid link_config 0x%x"
9318 " speed_cap_mask 0x%x\n",
9319 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009320 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009321 return;
9322 }
9323 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009324
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009325 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009326 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
9327 bp->link_params.req_line_speed[idx] =
9328 SPEED_10;
9329 bp->link_params.req_duplex[idx] =
9330 DUPLEX_HALF;
9331 bp->port.advertising[idx] |=
9332 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009333 ADVERTISED_TP);
9334 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009335 BNX2X_ERR("NVRAM config error. "
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009336 "Invalid link_config 0x%x"
9337 " speed_cap_mask 0x%x\n",
9338 link_config,
9339 bp->link_params.speed_cap_mask[idx]);
9340 return;
9341 }
9342 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009343
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009344 case PORT_FEATURE_LINK_SPEED_100M_FULL:
9345 if (bp->port.supported[idx] &
9346 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009347 bp->link_params.req_line_speed[idx] =
9348 SPEED_100;
9349 bp->port.advertising[idx] |=
9350 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009351 ADVERTISED_TP);
9352 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009353 BNX2X_ERR("NVRAM config error. "
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009354 "Invalid link_config 0x%x"
9355 " speed_cap_mask 0x%x\n",
9356 link_config,
9357 bp->link_params.speed_cap_mask[idx]);
9358 return;
9359 }
9360 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009361
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009362 case PORT_FEATURE_LINK_SPEED_100M_HALF:
9363 if (bp->port.supported[idx] &
9364 SUPPORTED_100baseT_Half) {
9365 bp->link_params.req_line_speed[idx] =
9366 SPEED_100;
9367 bp->link_params.req_duplex[idx] =
9368 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009369 bp->port.advertising[idx] |=
9370 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009371 ADVERTISED_TP);
9372 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009373 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009374 "Invalid link_config 0x%x"
9375 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009376 link_config,
9377 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009378 return;
9379 }
9380 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009381
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009382 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009383 if (bp->port.supported[idx] &
9384 SUPPORTED_1000baseT_Full) {
9385 bp->link_params.req_line_speed[idx] =
9386 SPEED_1000;
9387 bp->port.advertising[idx] |=
9388 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009389 ADVERTISED_TP);
9390 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009391 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009392 "Invalid link_config 0x%x"
9393 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009394 link_config,
9395 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009396 return;
9397 }
9398 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009399
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009400 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009401 if (bp->port.supported[idx] &
9402 SUPPORTED_2500baseX_Full) {
9403 bp->link_params.req_line_speed[idx] =
9404 SPEED_2500;
9405 bp->port.advertising[idx] |=
9406 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009407 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009408 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009409 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009410 "Invalid link_config 0x%x"
9411 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009412 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009413 bp->link_params.speed_cap_mask[idx]);
9414 return;
9415 }
9416 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009417
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009418 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009419 if (bp->port.supported[idx] &
9420 SUPPORTED_10000baseT_Full) {
9421 bp->link_params.req_line_speed[idx] =
9422 SPEED_10000;
9423 bp->port.advertising[idx] |=
9424 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009425 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009426 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009427 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009428 "Invalid link_config 0x%x"
9429 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009430 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009431 bp->link_params.speed_cap_mask[idx]);
9432 return;
9433 }
9434 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00009435 case PORT_FEATURE_LINK_SPEED_20G:
9436 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009437
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00009438 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009439 default:
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009440 BNX2X_ERR("NVRAM config error. "
9441 "BAD link speed link_config 0x%x\n",
9442 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009443 bp->link_params.req_line_speed[idx] =
9444 SPEED_AUTO_NEG;
9445 bp->port.advertising[idx] =
9446 bp->port.supported[idx];
9447 break;
9448 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009449
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009450 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009451 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009452 if ((bp->link_params.req_flow_ctrl[idx] ==
9453 BNX2X_FLOW_CTRL_AUTO) &&
9454 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
9455 bp->link_params.req_flow_ctrl[idx] =
9456 BNX2X_FLOW_CTRL_NONE;
9457 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009458
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009459 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
9460 " 0x%x advertising 0x%x\n",
9461 bp->link_params.req_line_speed[idx],
9462 bp->link_params.req_duplex[idx],
9463 bp->link_params.req_flow_ctrl[idx],
9464 bp->port.advertising[idx]);
9465 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009466}
9467
Michael Chane665bfd2009-10-10 13:46:54 +00009468static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
9469{
9470 mac_hi = cpu_to_be16(mac_hi);
9471 mac_lo = cpu_to_be32(mac_lo);
9472 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
9473 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
9474}
9475
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009476static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009477{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009478 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00009479 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00009480 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009481
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009482 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009483 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009484
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009485 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009486 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009487
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009488 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009489 SHMEM_RD(bp,
9490 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009491 bp->link_params.speed_cap_mask[1] =
9492 SHMEM_RD(bp,
9493 dev_info.port_hw_config[port].speed_capability_mask2);
9494 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009495 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
9496
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009497 bp->port.link_config[1] =
9498 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009499
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009500 bp->link_params.multi_phy_config =
9501 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00009502 /* If the device is capable of WoL, set the default state according
9503 * to the HW
9504 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009505 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00009506 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
9507 (config & PORT_FEATURE_WOL_ENABLED));
9508
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009509 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009510 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009511 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009512 bp->link_params.speed_cap_mask[0],
9513 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009514
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009515 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009516 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009517 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009518 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009519
9520 bnx2x_link_settings_requested(bp);
9521
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009522 /*
9523 * If connected directly, work with the internal PHY, otherwise, work
9524 * with the external PHY
9525 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009526 ext_phy_config =
9527 SHMEM_RD(bp,
9528 dev_info.port_hw_config[port].external_phy_config);
9529 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009530 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009531 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009532
9533 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
9534 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
9535 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009536 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00009537
9538 /*
9539 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
9540 * In MF mode, it is set to cover self test cases
9541 */
9542 if (IS_MF(bp))
9543 bp->port.need_hw_lock = 1;
9544 else
9545 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
9546 bp->common.shmem_base,
9547 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009548}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009549
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009550void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009551{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009552#ifdef BCM_CNIC
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009553 int port = BP_PORT(bp);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009554
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009555 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009556 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009557
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009558 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009559 bp->cnic_eth_dev.max_iscsi_conn =
9560 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
9561 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
9562
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009563 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
9564 bp->cnic_eth_dev.max_iscsi_conn);
9565
9566 /*
9567 * If maximum allowed number of connections is zero -
9568 * disable the feature.
9569 */
9570 if (!bp->cnic_eth_dev.max_iscsi_conn)
9571 bp->flags |= NO_ISCSI_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009572#else
9573 bp->flags |= NO_ISCSI_FLAG;
9574#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009575}
9576
9577static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
9578{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009579#ifdef BCM_CNIC
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009580 int port = BP_PORT(bp);
9581 int func = BP_ABS_FUNC(bp);
9582
9583 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
9584 drv_lic_key[port].max_fcoe_conn);
9585
9586 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009587 bp->cnic_eth_dev.max_fcoe_conn =
9588 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
9589 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
9590
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009591 /* Read the WWN: */
9592 if (!IS_MF(bp)) {
9593 /* Port info */
9594 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
9595 SHMEM_RD(bp,
9596 dev_info.port_hw_config[port].
9597 fcoe_wwn_port_name_upper);
9598 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
9599 SHMEM_RD(bp,
9600 dev_info.port_hw_config[port].
9601 fcoe_wwn_port_name_lower);
9602
9603 /* Node info */
9604 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
9605 SHMEM_RD(bp,
9606 dev_info.port_hw_config[port].
9607 fcoe_wwn_node_name_upper);
9608 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
9609 SHMEM_RD(bp,
9610 dev_info.port_hw_config[port].
9611 fcoe_wwn_node_name_lower);
9612 } else if (!IS_MF_SD(bp)) {
9613 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
9614
9615 /*
9616 * Read the WWN info only if the FCoE feature is enabled for
9617 * this function.
9618 */
9619 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
9620 /* Port info */
9621 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
9622 MF_CFG_RD(bp, func_ext_config[func].
9623 fcoe_wwn_port_name_upper);
9624 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
9625 MF_CFG_RD(bp, func_ext_config[func].
9626 fcoe_wwn_port_name_lower);
9627
9628 /* Node info */
9629 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
9630 MF_CFG_RD(bp, func_ext_config[func].
9631 fcoe_wwn_node_name_upper);
9632 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
9633 MF_CFG_RD(bp, func_ext_config[func].
9634 fcoe_wwn_node_name_lower);
9635 }
9636 }
9637
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009638 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009639
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009640 /*
9641 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009642 * disable the feature.
9643 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009644 if (!bp->cnic_eth_dev.max_fcoe_conn)
9645 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009646#else
9647 bp->flags |= NO_FCOE_FLAG;
9648#endif
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009649}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009650
9651static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
9652{
9653 /*
9654 * iSCSI may be dynamically disabled but reading
9655 * info here we will decrease memory usage by driver
9656 * if the feature is disabled for good
9657 */
9658 bnx2x_get_iscsi_info(bp);
9659 bnx2x_get_fcoe_info(bp);
9660}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009661
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009662static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
9663{
9664 u32 val, val2;
9665 int func = BP_ABS_FUNC(bp);
9666 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009667#ifdef BCM_CNIC
9668 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
9669 u8 *fip_mac = bp->fip_mac;
9670#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009671
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009672 /* Zero primary MAC configuration */
9673 memset(bp->dev->dev_addr, 0, ETH_ALEN);
9674
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009675 if (BP_NOMCP(bp)) {
9676 BNX2X_ERROR("warning: random MAC workaround active\n");
Danny Kukawka7ce5d222012-02-15 06:45:40 +00009677 eth_hw_addr_random(bp->dev);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009678 } else if (IS_MF(bp)) {
9679 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
9680 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
9681 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
9682 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
9683 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
9684
9685#ifdef BCM_CNIC
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009686 /*
9687 * iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009688 * FCoE MAC then the appropriate feature should be disabled.
9689 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009690 if (IS_MF_SI(bp)) {
9691 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
9692 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
9693 val2 = MF_CFG_RD(bp, func_ext_config[func].
9694 iscsi_mac_addr_upper);
9695 val = MF_CFG_RD(bp, func_ext_config[func].
9696 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009697 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Joe Perches0f9dad12011-08-14 12:16:19 +00009698 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
9699 iscsi_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009700 } else
9701 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
9702
9703 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
9704 val2 = MF_CFG_RD(bp, func_ext_config[func].
9705 fcoe_mac_addr_upper);
9706 val = MF_CFG_RD(bp, func_ext_config[func].
9707 fcoe_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009708 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009709 BNX2X_DEV_INFO("Read FCoE L2 MAC: %pM\n",
Joe Perches0f9dad12011-08-14 12:16:19 +00009710 fip_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009711
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009712 } else
9713 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009714 } else { /* SD mode */
9715 if (BNX2X_IS_MF_PROTOCOL_ISCSI(bp)) {
9716 /* use primary mac as iscsi mac */
9717 memcpy(iscsi_mac, bp->dev->dev_addr, ETH_ALEN);
9718 /* Zero primary MAC configuration */
9719 memset(bp->dev->dev_addr, 0, ETH_ALEN);
9720
9721 BNX2X_DEV_INFO("SD ISCSI MODE\n");
9722 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
9723 iscsi_mac);
9724 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009725 }
9726#endif
9727 } else {
9728 /* in SF read MACs from port configuration */
9729 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
9730 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
9731 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
9732
9733#ifdef BCM_CNIC
9734 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
9735 iscsi_mac_upper);
9736 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
9737 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009738 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +00009739
9740 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
9741 fcoe_fip_mac_upper);
9742 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
9743 fcoe_fip_mac_lower);
9744 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009745#endif
9746 }
9747
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009748 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
9749 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00009750
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009751#ifdef BCM_CNIC
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +00009752 /* Set the FCoE MAC in MF_SD mode */
9753 if (!CHIP_IS_E1x(bp) && IS_MF_SD(bp))
9754 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
Dmitry Kravkov426b9242011-05-04 23:49:53 +00009755
9756 /* Disable iSCSI if MAC configuration is
9757 * invalid.
9758 */
9759 if (!is_valid_ether_addr(iscsi_mac)) {
9760 bp->flags |= NO_ISCSI_FLAG;
9761 memset(iscsi_mac, 0, ETH_ALEN);
9762 }
9763
9764 /* Disable FCoE if MAC configuration is
9765 * invalid.
9766 */
9767 if (!is_valid_ether_addr(fip_mac)) {
9768 bp->flags |= NO_FCOE_FLAG;
9769 memset(bp->fip_mac, 0, ETH_ALEN);
9770 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009771#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009772
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009773 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009774 dev_err(&bp->pdev->dev,
9775 "bad Ethernet MAC address configuration: "
Joe Perches0f9dad12011-08-14 12:16:19 +00009776 "%pM, change it manually before bringing up "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009777 "the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +00009778 bp->dev->dev_addr);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009779}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009780
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009781static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
9782{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009783 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07009784 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009785 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009786 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009787
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009788 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009789
Ariel Elior6383c0b2011-07-14 08:31:57 +00009790 /*
9791 * initialize IGU parameters
9792 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009793 if (CHIP_IS_E1x(bp)) {
9794 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009795
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009796 bp->igu_dsb_id = DEF_SB_IGU_ID;
9797 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009798 } else {
9799 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -04009800
9801 /* do not allow device reset during IGU info preocessing */
9802 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
9803
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009804 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009805
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009806 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009807 int tout = 5000;
9808
9809 BNX2X_DEV_INFO("FORCING Normal Mode\n");
9810
9811 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
9812 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
9813 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
9814
9815 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
9816 tout--;
9817 usleep_range(1000, 1000);
9818 }
9819
9820 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
9821 dev_err(&bp->pdev->dev,
9822 "FORCING Normal Mode failed!!!\n");
9823 return -EPERM;
9824 }
9825 }
9826
9827 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
9828 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009829 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
9830 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009831 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009832
9833 bnx2x_get_igu_cam_info(bp);
9834
David S. Miller8decf862011-09-22 03:23:13 -04009835 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009836 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009837
9838 /*
9839 * set base FW non-default (fast path) status block id, this value is
9840 * used to initialize the fw_sb_id saved on the fp/queue structure to
9841 * determine the id used by the FW.
9842 */
9843 if (CHIP_IS_E1x(bp))
9844 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
9845 else /*
9846 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
9847 * the same queue are indicated on the same IGU SB). So we prefer
9848 * FW and IGU SBs to be the same value.
9849 */
9850 bp->base_fw_ndsb = bp->igu_base_sb;
9851
9852 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
9853 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
9854 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009855
9856 /*
9857 * Initialize MF configuration
9858 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009859
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00009860 bp->mf_ov = 0;
9861 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -04009862 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009863
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009864 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009865 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
9866 bp->common.shmem2_base, SHMEM2_RD(bp, size),
9867 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
9868
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009869 if (SHMEM2_HAS(bp, mf_cfg_addr))
9870 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
9871 else
9872 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009873 offsetof(struct shmem_region, func_mb) +
9874 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009875 /*
9876 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009877 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009878 * 2. MAC address must be legal (check only upper bytes)
9879 * for Switch-Independent mode;
9880 * OVLAN must be legal for Switch-Dependent mode
9881 * 3. SF_MODE configures specific MF mode
9882 */
9883 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
9884 /* get mf configuration */
9885 val = SHMEM_RD(bp,
9886 dev_info.shared_feature_config.config);
9887 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009888
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009889 switch (val) {
9890 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
9891 val = MF_CFG_RD(bp, func_mf_config[func].
9892 mac_upper);
9893 /* check for legal mac (upper bytes)*/
9894 if (val != 0xffff) {
9895 bp->mf_mode = MULTI_FUNCTION_SI;
9896 bp->mf_config[vn] = MF_CFG_RD(bp,
9897 func_mf_config[func].config);
9898 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009899 BNX2X_DEV_INFO("illegal MAC address "
9900 "for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009901 break;
9902 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
9903 /* get OV configuration */
9904 val = MF_CFG_RD(bp,
9905 func_mf_config[FUNC_0].e1hov_tag);
9906 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
9907
9908 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
9909 bp->mf_mode = MULTI_FUNCTION_SD;
9910 bp->mf_config[vn] = MF_CFG_RD(bp,
9911 func_mf_config[func].config);
9912 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009913 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009914 break;
9915 default:
9916 /* Unknown configuration: reset mf_config */
9917 bp->mf_config[vn] = 0;
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009918 BNX2X_DEV_INFO("unkown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009919 }
9920 }
9921
Eilon Greenstein2691d512009-08-12 08:22:08 +00009922 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00009923 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00009924
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009925 switch (bp->mf_mode) {
9926 case MULTI_FUNCTION_SD:
9927 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
9928 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009929 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00009930 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009931 bp->path_has_ovlan = true;
9932
9933 BNX2X_DEV_INFO("MF OV for func %d is %d "
9934 "(0x%04x)\n", func, bp->mf_ov,
9935 bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00009936 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009937 dev_err(&bp->pdev->dev,
9938 "No valid MF OV for func %d, "
9939 "aborting\n", func);
9940 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009941 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009942 break;
9943 case MULTI_FUNCTION_SI:
9944 BNX2X_DEV_INFO("func %d is in MF "
9945 "switch-independent mode\n", func);
9946 break;
9947 default:
9948 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009949 dev_err(&bp->pdev->dev,
9950 "VN %d is in a single function mode, "
9951 "aborting\n", vn);
9952 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009953 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009954 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009955 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009956
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009957 /* check if other port on the path needs ovlan:
9958 * Since MF configuration is shared between ports
9959 * Possible mixed modes are only
9960 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
9961 */
9962 if (CHIP_MODE_IS_4_PORT(bp) &&
9963 !bp->path_has_ovlan &&
9964 !IS_MF(bp) &&
9965 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
9966 u8 other_port = !BP_PORT(bp);
9967 u8 other_func = BP_PATH(bp) + 2*other_port;
9968 val = MF_CFG_RD(bp,
9969 func_mf_config[other_func].e1hov_tag);
9970 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
9971 bp->path_has_ovlan = true;
9972 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009973 }
9974
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009975 /* adjust igu_sb_cnt to MF for E1x */
9976 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009977 bp->igu_sb_cnt /= E1HVN_MAX;
9978
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009979 /* port info */
9980 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009981
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009982 /* Get MAC addresses */
9983 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009984
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009985 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009986
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009987 return rc;
9988}
9989
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009990static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
9991{
9992 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +00009993 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009994 char str_id_reg[VENDOR_ID_LEN+1];
9995 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +00009996 char *vpd_data;
9997 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009998 u8 len;
9999
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010000 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010001 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
10002
10003 if (cnt < BNX2X_VPD_LEN)
10004 goto out_not_found;
10005
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010006 /* VPD RO tag should be first tag after identifier string, hence
10007 * we should be able to find it in first BNX2X_VPD_LEN chars
10008 */
10009 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010010 PCI_VPD_LRDT_RO_DATA);
10011 if (i < 0)
10012 goto out_not_found;
10013
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010014 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010015 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010016
10017 i += PCI_VPD_LRDT_TAG_SIZE;
10018
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010019 if (block_end > BNX2X_VPD_LEN) {
10020 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10021 if (vpd_extended_data == NULL)
10022 goto out_not_found;
10023
10024 /* read rest of vpd image into vpd_extended_data */
10025 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10026 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10027 block_end - BNX2X_VPD_LEN,
10028 vpd_extended_data + BNX2X_VPD_LEN);
10029 if (cnt < (block_end - BNX2X_VPD_LEN))
10030 goto out_not_found;
10031 vpd_data = vpd_extended_data;
10032 } else
10033 vpd_data = vpd_start;
10034
10035 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010036
10037 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10038 PCI_VPD_RO_KEYWORD_MFR_ID);
10039 if (rodi < 0)
10040 goto out_not_found;
10041
10042 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10043
10044 if (len != VENDOR_ID_LEN)
10045 goto out_not_found;
10046
10047 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10048
10049 /* vendor specific info */
10050 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10051 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10052 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10053 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10054
10055 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10056 PCI_VPD_RO_KEYWORD_VENDOR0);
10057 if (rodi >= 0) {
10058 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10059
10060 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10061
10062 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10063 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10064 bp->fw_ver[len] = ' ';
10065 }
10066 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010067 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010068 return;
10069 }
10070out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010071 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010072 return;
10073}
10074
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010075static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10076{
10077 u32 flags = 0;
10078
10079 if (CHIP_REV_IS_FPGA(bp))
10080 SET_FLAGS(flags, MODE_FPGA);
10081 else if (CHIP_REV_IS_EMUL(bp))
10082 SET_FLAGS(flags, MODE_EMUL);
10083 else
10084 SET_FLAGS(flags, MODE_ASIC);
10085
10086 if (CHIP_MODE_IS_4_PORT(bp))
10087 SET_FLAGS(flags, MODE_PORT4);
10088 else
10089 SET_FLAGS(flags, MODE_PORT2);
10090
10091 if (CHIP_IS_E2(bp))
10092 SET_FLAGS(flags, MODE_E2);
10093 else if (CHIP_IS_E3(bp)) {
10094 SET_FLAGS(flags, MODE_E3);
10095 if (CHIP_REV(bp) == CHIP_REV_Ax)
10096 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010097 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10098 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010099 }
10100
10101 if (IS_MF(bp)) {
10102 SET_FLAGS(flags, MODE_MF);
10103 switch (bp->mf_mode) {
10104 case MULTI_FUNCTION_SD:
10105 SET_FLAGS(flags, MODE_MF_SD);
10106 break;
10107 case MULTI_FUNCTION_SI:
10108 SET_FLAGS(flags, MODE_MF_SI);
10109 break;
10110 }
10111 } else
10112 SET_FLAGS(flags, MODE_SF);
10113
10114#if defined(__LITTLE_ENDIAN)
10115 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
10116#else /*(__BIG_ENDIAN)*/
10117 SET_FLAGS(flags, MODE_BIG_ENDIAN);
10118#endif
10119 INIT_MODE_FLAGS(bp) = flags;
10120}
10121
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010122static int __devinit bnx2x_init_bp(struct bnx2x *bp)
10123{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010124 int func;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010125 int rc;
10126
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010127 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070010128 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070010129 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +000010130#ifdef BCM_CNIC
10131 mutex_init(&bp->cnic_mutex);
10132#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010133
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010134 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000010135 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000010136 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010137 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010138 if (rc)
10139 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010140
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010141 bnx2x_set_modes_bitmap(bp);
10142
10143 rc = bnx2x_alloc_mem_bp(bp);
10144 if (rc)
10145 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010146
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010147 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010148
10149 func = BP_FUNC(bp);
10150
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010151 /* need to reset chip if undi was active */
10152 if (!BP_NOMCP(bp))
10153 bnx2x_undi_unload(bp);
10154
10155 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010156 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010157
10158 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010159 dev_err(&bp->pdev->dev, "MCP disabled, "
10160 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010161
Eilon Greenstein555f6c72009-02-12 08:36:11 +000010162 bp->multi_mode = multi_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +000010163
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010164 bp->disable_tpa = disable_tpa;
10165
10166#ifdef BCM_CNIC
10167 bp->disable_tpa |= IS_MF_ISCSI_SD(bp);
10168#endif
10169
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010170 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010171 if (bp->disable_tpa) {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010172 bp->flags &= ~(TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010173 bp->dev->features &= ~NETIF_F_LRO;
10174 } else {
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010175 bp->flags |= (TPA_ENABLE_FLAG | GRO_ENABLE_FLAG);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010176 bp->dev->features |= NETIF_F_LRO;
10177 }
10178
Eilon Greensteina18f5122009-08-12 08:23:26 +000010179 if (CHIP_IS_E1(bp))
10180 bp->dropless_fc = 0;
10181 else
10182 bp->dropless_fc = dropless_fc;
10183
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000010184 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010185
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010186 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010187
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000010188 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010189 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
10190 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010191
Michal Schmidtfc543632012-02-14 09:05:46 +000010192 bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010193
10194 init_timer(&bp->timer);
10195 bp->timer.expires = jiffies + bp->current_interval;
10196 bp->timer.data = (unsigned long) bp;
10197 bp->timer.function = bnx2x_timer;
10198
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010199 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000010200 bnx2x_dcbx_init_params(bp);
10201
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010202#ifdef BCM_CNIC
10203 if (CHIP_IS_E1x(bp))
10204 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
10205 else
10206 bp->cnic_base_cl_id = FP_SB_MAX_E2;
10207#endif
10208
Ariel Elior6383c0b2011-07-14 08:31:57 +000010209 /* multiple tx priority */
10210 if (CHIP_IS_E1x(bp))
10211 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
10212 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
10213 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
10214 if (CHIP_IS_E3B0(bp))
10215 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
10216
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010217 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010218}
10219
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010220
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010221/****************************************************************************
10222* General service functions
10223****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010224
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010225/*
10226 * net_device service functions
10227 */
10228
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010229/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010230static int bnx2x_open(struct net_device *dev)
10231{
10232 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010233 bool global = false;
10234 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000010235 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010236
Mintz Yuval1355b702012-02-15 02:10:22 +000010237 bp->stats_init = true;
10238
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000010239 netif_carrier_off(dev);
10240
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010241 bnx2x_set_power_state(bp, PCI_D0);
10242
Ariel Elior889b9af2012-01-26 06:01:51 +000010243 other_load_status = bnx2x_get_load_status(bp, other_engine);
10244 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010245
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010246 /*
10247 * If parity had happen during the unload, then attentions
10248 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
10249 * want the first function loaded on the current engine to
10250 * complete the recovery.
10251 */
10252 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
10253 bnx2x_chk_parity_attn(bp, &global, true))
10254 do {
10255 /*
10256 * If there are attentions and they are in a global
10257 * blocks, set the GLOBAL_RESET bit regardless whether
10258 * it will be this function that will complete the
10259 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010260 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010261 if (global)
10262 bnx2x_set_reset_global(bp);
10263
10264 /*
10265 * Only the first function on the current engine should
10266 * try to recover in open. In case of attentions in
10267 * global blocks only the first in the chip should try
10268 * to recover.
10269 */
Ariel Elior889b9af2012-01-26 06:01:51 +000010270 if ((!load_status &&
10271 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010272 bnx2x_trylock_leader_lock(bp) &&
10273 !bnx2x_leader_reset(bp)) {
10274 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010275 break;
10276 }
10277
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010278 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010279 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010280 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010281
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010282 netdev_err(bp->dev, "Recovery flow hasn't been properly"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010283 " completed yet. Try again later. If u still see this"
10284 " message after a few retries then power cycle is"
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010285 " required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010286
10287 return -EAGAIN;
10288 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010289
10290 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010291 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010292}
10293
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010294/* called with rtnl_lock */
Michal Schmidt56ad3152012-02-16 02:38:48 +000010295static int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010296{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010297 struct bnx2x *bp = netdev_priv(dev);
10298
10299 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010300 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010301
10302 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000010303 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010304
10305 return 0;
10306}
10307
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010308static inline int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
10309 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010310{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010311 int mc_count = netdev_mc_count(bp->dev);
10312 struct bnx2x_mcast_list_elem *mc_mac =
10313 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010314 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010315
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010316 if (!mc_mac)
10317 return -ENOMEM;
10318
10319 INIT_LIST_HEAD(&p->mcast_list);
10320
10321 netdev_for_each_mc_addr(ha, bp->dev) {
10322 mc_mac->mac = bnx2x_mc_addr(ha);
10323 list_add_tail(&mc_mac->link, &p->mcast_list);
10324 mc_mac++;
10325 }
10326
10327 p->mcast_list_len = mc_count;
10328
10329 return 0;
10330}
10331
10332static inline void bnx2x_free_mcast_macs_list(
10333 struct bnx2x_mcast_ramrod_params *p)
10334{
10335 struct bnx2x_mcast_list_elem *mc_mac =
10336 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
10337 link);
10338
10339 WARN_ON(!mc_mac);
10340 kfree(mc_mac);
10341}
10342
10343/**
10344 * bnx2x_set_uc_list - configure a new unicast MACs list.
10345 *
10346 * @bp: driver handle
10347 *
10348 * We will use zero (0) as a MAC type for these MACs.
10349 */
10350static inline int bnx2x_set_uc_list(struct bnx2x *bp)
10351{
10352 int rc;
10353 struct net_device *dev = bp->dev;
10354 struct netdev_hw_addr *ha;
10355 struct bnx2x_vlan_mac_obj *mac_obj = &bp->fp->mac_obj;
10356 unsigned long ramrod_flags = 0;
10357
10358 /* First schedule a cleanup up of old configuration */
10359 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
10360 if (rc < 0) {
10361 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
10362 return rc;
10363 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010364
10365 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010366 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
10367 BNX2X_UC_LIST_MAC, &ramrod_flags);
10368 if (rc < 0) {
10369 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
10370 rc);
10371 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010372 }
10373 }
10374
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010375 /* Execute the pending commands */
10376 __set_bit(RAMROD_CONT, &ramrod_flags);
10377 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
10378 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010379}
10380
10381static inline int bnx2x_set_mc_list(struct bnx2x *bp)
10382{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010383 struct net_device *dev = bp->dev;
10384 struct bnx2x_mcast_ramrod_params rparam = {0};
10385 int rc = 0;
10386
10387 rparam.mcast_obj = &bp->mcast_obj;
10388
10389 /* first, clear all configured multicast MACs */
10390 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
10391 if (rc < 0) {
10392 BNX2X_ERR("Failed to clear multicast "
10393 "configuration: %d\n", rc);
10394 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010395 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010396
10397 /* then, configure a new MACs list */
10398 if (netdev_mc_count(dev)) {
10399 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
10400 if (rc) {
10401 BNX2X_ERR("Failed to create multicast MACs "
10402 "list: %d\n", rc);
10403 return rc;
10404 }
10405
10406 /* Now add the new MACs */
10407 rc = bnx2x_config_mcast(bp, &rparam,
10408 BNX2X_MCAST_CMD_ADD);
10409 if (rc < 0)
10410 BNX2X_ERR("Failed to set a new multicast "
10411 "configuration: %d\n", rc);
10412
10413 bnx2x_free_mcast_macs_list(&rparam);
10414 }
10415
10416 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010417}
10418
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010419
10420/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010421void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010422{
10423 struct bnx2x *bp = netdev_priv(dev);
10424 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010425
10426 if (bp->state != BNX2X_STATE_OPEN) {
10427 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
10428 return;
10429 }
10430
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010431 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010432
10433 if (dev->flags & IFF_PROMISC)
10434 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010435 else if ((dev->flags & IFF_ALLMULTI) ||
10436 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
10437 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010438 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010439 else {
10440 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010441 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010442 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010443
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010444 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010445 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010446 }
10447
10448 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010449#ifdef BCM_CNIC
10450 /* handle ISCSI SD mode */
10451 if (IS_MF_ISCSI_SD(bp))
10452 bp->rx_mode = BNX2X_RX_MODE_NONE;
10453#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010454
10455 /* Schedule the rx_mode command */
10456 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
10457 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
10458 return;
10459 }
10460
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010461 bnx2x_set_storm_rx_mode(bp);
10462}
10463
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010464/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010465static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
10466 int devad, u16 addr)
10467{
10468 struct bnx2x *bp = netdev_priv(netdev);
10469 u16 value;
10470 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010471
10472 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
10473 prtad, devad, addr);
10474
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010475 /* The HW expects different devad if CL22 is used */
10476 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
10477
10478 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010479 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010480 bnx2x_release_phy_lock(bp);
10481 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
10482
10483 if (!rc)
10484 rc = value;
10485 return rc;
10486}
10487
10488/* called with rtnl_lock */
10489static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
10490 u16 addr, u16 value)
10491{
10492 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010493 int rc;
10494
10495 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
10496 " value 0x%x\n", prtad, devad, addr, value);
10497
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010498 /* The HW expects different devad if CL22 is used */
10499 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
10500
10501 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010502 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010503 bnx2x_release_phy_lock(bp);
10504 return rc;
10505}
10506
10507/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010508static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10509{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010510 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010511 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010512
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010513 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
10514 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010515
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010516 if (!netif_running(dev))
10517 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010518
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010519 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010520}
10521
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000010522#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010523static void poll_bnx2x(struct net_device *dev)
10524{
10525 struct bnx2x *bp = netdev_priv(dev);
10526
10527 disable_irq(bp->pdev->irq);
10528 bnx2x_interrupt(bp->pdev->irq, dev);
10529 enable_irq(bp->pdev->irq);
10530}
10531#endif
10532
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010533static int bnx2x_validate_addr(struct net_device *dev)
10534{
10535 struct bnx2x *bp = netdev_priv(dev);
10536
10537 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr))
10538 return -EADDRNOTAVAIL;
10539 return 0;
10540}
10541
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010542static const struct net_device_ops bnx2x_netdev_ops = {
10543 .ndo_open = bnx2x_open,
10544 .ndo_stop = bnx2x_close,
10545 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000010546 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010547 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010548 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010549 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010550 .ndo_do_ioctl = bnx2x_ioctl,
10551 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000010552 .ndo_fix_features = bnx2x_fix_features,
10553 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010554 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000010555#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010556 .ndo_poll_controller = poll_bnx2x,
10557#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000010558 .ndo_setup_tc = bnx2x_setup_tc,
10559
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010560#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
10561 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
10562#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010563};
10564
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010565static inline int bnx2x_set_coherency_mask(struct bnx2x *bp)
10566{
10567 struct device *dev = &bp->pdev->dev;
10568
10569 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
10570 bp->flags |= USING_DAC_FLAG;
10571 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
10572 dev_err(dev, "dma_set_coherent_mask failed, "
10573 "aborting\n");
10574 return -EIO;
10575 }
10576 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
10577 dev_err(dev, "System does not support DMA, aborting\n");
10578 return -EIO;
10579 }
10580
10581 return 0;
10582}
10583
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010584static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010585 struct net_device *dev,
10586 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010587{
10588 struct bnx2x *bp;
10589 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000010590 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000010591 bool chip_is_e1x = (board_type == BCM57710 ||
10592 board_type == BCM57711 ||
10593 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010594
10595 SET_NETDEV_DEV(dev, &pdev->dev);
10596 bp = netdev_priv(dev);
10597
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010598 bp->dev = dev;
10599 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010600 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010601
10602 rc = pci_enable_device(pdev);
10603 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010604 dev_err(&bp->pdev->dev,
10605 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010606 goto err_out;
10607 }
10608
10609 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010610 dev_err(&bp->pdev->dev,
10611 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010612 rc = -ENODEV;
10613 goto err_out_disable;
10614 }
10615
10616 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010617 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
10618 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010619 rc = -ENODEV;
10620 goto err_out_disable;
10621 }
10622
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010623 if (atomic_read(&pdev->enable_cnt) == 1) {
10624 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10625 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010626 dev_err(&bp->pdev->dev,
10627 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010628 goto err_out_disable;
10629 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010630
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010631 pci_set_master(pdev);
10632 pci_save_state(pdev);
10633 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010634
10635 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10636 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010637 dev_err(&bp->pdev->dev,
10638 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010639 rc = -EIO;
10640 goto err_out_release;
10641 }
10642
Jon Mason77c98e62011-06-27 07:45:12 +000010643 if (!pci_is_pcie(pdev)) {
10644 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010645 rc = -EIO;
10646 goto err_out_release;
10647 }
10648
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010649 rc = bnx2x_set_coherency_mask(bp);
10650 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010651 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010652
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010653 dev->mem_start = pci_resource_start(pdev, 0);
10654 dev->base_addr = dev->mem_start;
10655 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010656
10657 dev->irq = pdev->irq;
10658
Arjan van de Ven275f1652008-10-20 21:42:39 -070010659 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010660 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010661 dev_err(&bp->pdev->dev,
10662 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010663 rc = -ENOMEM;
10664 goto err_out_release;
10665 }
10666
Ariel Eliorc22610d02012-01-26 06:01:47 +000010667 /* In E1/E1H use pci device function given by kernel.
10668 * In E2/E3 read physical function from ME register since these chips
10669 * support Physical Device Assignment where kernel BDF maybe arbitrary
10670 * (depending on hypervisor).
10671 */
10672 if (chip_is_e1x)
10673 bp->pf_num = PCI_FUNC(pdev->devfn);
10674 else {/* chip is E2/3*/
10675 pci_read_config_dword(bp->pdev,
10676 PCICFG_ME_REGISTER, &pci_cfg_dword);
10677 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
10678 ME_REG_ABS_PF_NUM_SHIFT);
10679 }
10680 DP(BNX2X_MSG_SP, "me reg PF num: %d\n", bp->pf_num);
10681
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010682 bnx2x_set_power_state(bp, PCI_D0);
10683
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010684 /* clean indirect addresses */
10685 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10686 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040010687 /*
10688 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070010689 * is not used by the driver.
10690 */
10691 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
10692 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
10693 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
10694 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040010695
Ariel Elior65087cf2012-01-23 07:31:55 +000010696 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040010697 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
10698 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
10699 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
10700 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
10701 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010702
Shmulik Ravid21894002011-07-24 03:57:04 +000010703 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010704 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000010705 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010706 */
Ariel Elior65087cf2012-01-23 07:31:55 +000010707 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000010708 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010709
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010710 /* Reset the load counter */
Ariel Elior889b9af2012-01-26 06:01:51 +000010711 bnx2x_clear_load_status(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010712
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010713 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010714
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010715 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010716 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000010717
Jiri Pirko01789342011-08-16 06:29:00 +000010718 dev->priv_flags |= IFF_UNICAST_FLT;
10719
Michał Mirosław66371c42011-04-12 09:38:23 +000010720 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Dmitry Kravkov621b4d62012-02-20 09:59:08 +000010721 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
10722 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO |
10723 NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000010724
10725 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
10726 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
10727
10728 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010729 if (bp->flags & USING_DAC_FLAG)
10730 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010731
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000010732 /* Add Loopback capability to the device */
10733 dev->hw_features |= NETIF_F_LOOPBACK;
10734
Shmulik Ravid98507672011-02-28 12:19:55 -080010735#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010736 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
10737#endif
10738
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010739 /* get_port_hwinfo() will set prtad and mmds properly */
10740 bp->mdio.prtad = MDIO_PRTAD_NONE;
10741 bp->mdio.mmds = 0;
10742 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
10743 bp->mdio.dev = dev;
10744 bp->mdio.mdio_read = bnx2x_mdio_read;
10745 bp->mdio.mdio_write = bnx2x_mdio_write;
10746
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010747 return 0;
10748
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010749err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010750 if (atomic_read(&pdev->enable_cnt) == 1)
10751 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010752
10753err_out_disable:
10754 pci_disable_device(pdev);
10755 pci_set_drvdata(pdev, NULL);
10756
10757err_out:
10758 return rc;
10759}
10760
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010761static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
10762 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080010763{
10764 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10765
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010766 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10767
10768 /* return value of 1=2.5GHz 2=5GHz */
10769 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080010770}
10771
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000010772static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010773{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010774 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010775 struct bnx2x_fw_file_hdr *fw_hdr;
10776 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010777 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010778 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010779 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010780 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010781
10782 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
10783 return -EINVAL;
10784
10785 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
10786 sections = (struct bnx2x_fw_file_section *)fw_hdr;
10787
10788 /* Make sure none of the offsets and sizes make us read beyond
10789 * the end of the firmware data */
10790 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
10791 offset = be32_to_cpu(sections[i].offset);
10792 len = be32_to_cpu(sections[i].len);
10793 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010794 dev_err(&bp->pdev->dev,
10795 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010796 return -EINVAL;
10797 }
10798 }
10799
10800 /* Likewise for the init_ops offsets */
10801 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
10802 ops_offsets = (u16 *)(firmware->data + offset);
10803 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
10804
10805 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
10806 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010807 dev_err(&bp->pdev->dev,
10808 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010809 return -EINVAL;
10810 }
10811 }
10812
10813 /* Check FW version */
10814 offset = be32_to_cpu(fw_hdr->fw_version.offset);
10815 fw_ver = firmware->data + offset;
10816 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
10817 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
10818 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
10819 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010820 dev_err(&bp->pdev->dev,
10821 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010822 fw_ver[0], fw_ver[1], fw_ver[2],
10823 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
10824 BCM_5710_FW_MINOR_VERSION,
10825 BCM_5710_FW_REVISION_VERSION,
10826 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010827 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010828 }
10829
10830 return 0;
10831}
10832
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010833static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010834{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010835 const __be32 *source = (const __be32 *)_source;
10836 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010837 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010838
10839 for (i = 0; i < n/4; i++)
10840 target[i] = be32_to_cpu(source[i]);
10841}
10842
10843/*
10844 Ops array is stored in the following format:
10845 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
10846 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010847static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010848{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010849 const __be32 *source = (const __be32 *)_source;
10850 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010851 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010852
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010853 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010854 tmp = be32_to_cpu(source[j]);
10855 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010856 target[i].offset = tmp & 0xffffff;
10857 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010858 }
10859}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010860
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010861/**
10862 * IRO array is stored in the following format:
10863 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
10864 */
10865static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
10866{
10867 const __be32 *source = (const __be32 *)_source;
10868 struct iro *target = (struct iro *)_target;
10869 u32 i, j, tmp;
10870
10871 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
10872 target[i].base = be32_to_cpu(source[j]);
10873 j++;
10874 tmp = be32_to_cpu(source[j]);
10875 target[i].m1 = (tmp >> 16) & 0xffff;
10876 target[i].m2 = tmp & 0xffff;
10877 j++;
10878 tmp = be32_to_cpu(source[j]);
10879 target[i].m3 = (tmp >> 16) & 0xffff;
10880 target[i].size = tmp & 0xffff;
10881 j++;
10882 }
10883}
10884
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010885static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010886{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010887 const __be16 *source = (const __be16 *)_source;
10888 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010889 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010890
10891 for (i = 0; i < n/2; i++)
10892 target[i] = be16_to_cpu(source[i]);
10893}
10894
Joe Perches7995c642010-02-17 15:01:52 +000010895#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
10896do { \
10897 u32 len = be32_to_cpu(fw_hdr->arr.len); \
10898 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000010899 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000010900 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000010901 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
10902 (u8 *)bp->arr, len); \
10903} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010904
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000010905int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010906{
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010907 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000010908 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010909
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010910
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010911 if (!bp->firmware) {
10912 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010913
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010914 if (CHIP_IS_E1(bp))
10915 fw_file_name = FW_FILE_NAME_E1;
10916 else if (CHIP_IS_E1H(bp))
10917 fw_file_name = FW_FILE_NAME_E1H;
10918 else if (!CHIP_IS_E1x(bp))
10919 fw_file_name = FW_FILE_NAME_E2;
10920 else {
10921 BNX2X_ERR("Unsupported chip revision\n");
10922 return -EINVAL;
10923 }
10924 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010925
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010926 rc = request_firmware(&bp->firmware, fw_file_name,
10927 &bp->pdev->dev);
10928 if (rc) {
10929 BNX2X_ERR("Can't load firmware file %s\n",
10930 fw_file_name);
10931 goto request_firmware_exit;
10932 }
10933
10934 rc = bnx2x_check_firmware(bp);
10935 if (rc) {
10936 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
10937 goto request_firmware_exit;
10938 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010939 }
10940
10941 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
10942
10943 /* Initialize the pointers to the init arrays */
10944 /* Blob */
10945 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
10946
10947 /* Opcodes */
10948 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
10949
10950 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010951 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
10952 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010953
10954 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000010955 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10956 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
10957 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
10958 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
10959 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10960 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
10961 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
10962 be32_to_cpu(fw_hdr->usem_pram_data.offset);
10963 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10964 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
10965 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
10966 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
10967 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10968 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
10969 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
10970 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010971 /* IRO */
10972 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010973
10974 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010975
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010976iro_alloc_err:
10977 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010978init_offsets_alloc_err:
10979 kfree(bp->init_ops);
10980init_ops_alloc_err:
10981 kfree(bp->init_data);
10982request_firmware_exit:
10983 release_firmware(bp->firmware);
10984
10985 return rc;
10986}
10987
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010988static void bnx2x_release_firmware(struct bnx2x *bp)
10989{
10990 kfree(bp->init_ops_offsets);
10991 kfree(bp->init_ops);
10992 kfree(bp->init_data);
10993 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010994 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010995}
10996
10997
10998static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
10999 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
11000 .init_hw_cmn = bnx2x_init_hw_common,
11001 .init_hw_port = bnx2x_init_hw_port,
11002 .init_hw_func = bnx2x_init_hw_func,
11003
11004 .reset_hw_cmn = bnx2x_reset_common,
11005 .reset_hw_port = bnx2x_reset_port,
11006 .reset_hw_func = bnx2x_reset_func,
11007
11008 .gunzip_init = bnx2x_gunzip_init,
11009 .gunzip_end = bnx2x_gunzip_end,
11010
11011 .init_fw = bnx2x_init_firmware,
11012 .release_fw = bnx2x_release_firmware,
11013};
11014
11015void bnx2x__init_func_obj(struct bnx2x *bp)
11016{
11017 /* Prepare DMAE related driver resources */
11018 bnx2x_setup_dmae(bp);
11019
11020 bnx2x_init_func_obj(bp, &bp->func_obj,
11021 bnx2x_sp(bp, func_rdata),
11022 bnx2x_sp_mapping(bp, func_rdata),
11023 &bnx2x_func_sp_drv);
11024}
11025
11026/* must be called after sriov-enable */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011027static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011028{
Ariel Elior6383c0b2011-07-14 08:31:57 +000011029 int cid_count = BNX2X_L2_CID_COUNT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011030
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011031#ifdef BCM_CNIC
11032 cid_count += CNIC_CID_MAX;
11033#endif
11034 return roundup(cid_count, QM_CID_ROUND);
11035}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011036
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011037/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011038 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011039 *
11040 * @dev: pci device
11041 *
11042 */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011043static inline int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011044{
11045 int pos;
11046 u16 control;
11047
11048 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011049
Ariel Elior6383c0b2011-07-14 08:31:57 +000011050 /*
11051 * If MSI-X is not supported - return number of SBs needed to support
11052 * one fast path queue: one FP queue + SB for CNIC
11053 */
11054 if (!pos)
11055 return 1 + CNIC_PRESENT;
11056
11057 /*
11058 * The value in the PCI configuration space is the index of the last
11059 * entry, namely one less than the actual size of the table, which is
11060 * exactly what we want to return from this function: number of all SBs
11061 * without the default SB.
11062 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011063 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011064 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011065}
11066
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011067static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11068 const struct pci_device_id *ent)
11069{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011070 struct net_device *dev = NULL;
11071 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011072 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011073 int rc, max_non_def_sbs;
11074 int rx_count, tx_count, rss_count;
11075 /*
11076 * An estimated maximum supported CoS number according to the chip
11077 * version.
11078 * We will try to roughly estimate the maximum number of CoSes this chip
11079 * may support in order to minimize the memory allocated for Tx
11080 * netdev_queue's. This number will be accurately calculated during the
11081 * initialization of bp->max_cos based on the chip versions AND chip
11082 * revision in the bnx2x_init_bp().
11083 */
11084 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011085
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011086 switch (ent->driver_data) {
11087 case BCM57710:
11088 case BCM57711:
11089 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011090 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
11091 break;
11092
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011093 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011094 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011095 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
11096 break;
11097
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011098 case BCM57800:
11099 case BCM57800_MF:
11100 case BCM57810:
11101 case BCM57810_MF:
11102 case BCM57840:
11103 case BCM57840_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011104 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011105 break;
11106
11107 default:
11108 pr_err("Unknown board_type (%ld), aborting\n",
11109 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000011110 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011111 }
11112
Ariel Elior6383c0b2011-07-14 08:31:57 +000011113 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev);
11114
11115 /* !!! FIXME !!!
11116 * Do not allow the maximum SB count to grow above 16
11117 * since Special CIDs starts from 16*BNX2X_MULTI_TX_COS=48.
11118 * We will use the FP_SB_MAX_E1x macro for this matter.
11119 */
11120 max_non_def_sbs = min_t(int, FP_SB_MAX_E1x, max_non_def_sbs);
11121
11122 WARN_ON(!max_non_def_sbs);
11123
11124 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
11125 rss_count = max_non_def_sbs - CNIC_PRESENT;
11126
11127 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
11128 rx_count = rss_count + FCOE_PRESENT;
11129
11130 /*
11131 * Maximum number of netdev Tx queues:
11132 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
11133 */
11134 tx_count = MAX_TXQS_PER_COS * max_cos_est + FCOE_PRESENT;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011135
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011136 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011137 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000011138 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011139 return -ENOMEM;
11140
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011141 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011142
11143 DP(NETIF_MSG_DRV, "Allocated netdev with %d tx and %d rx queues\n",
11144 tx_count, rx_count);
11145
11146 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000011147 bp->msg_enable = debug;
Eilon Greensteindf4770de2009-08-12 08:23:28 +000011148 pci_set_drvdata(pdev, dev);
11149
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011150 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011151 if (rc < 0) {
11152 free_netdev(dev);
11153 return rc;
11154 }
11155
Joe Perches94f05b02011-08-14 12:16:20 +000011156 DP(NETIF_MSG_DRV, "max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011157
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011158 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000011159 if (rc)
11160 goto init_one_exit;
11161
Ariel Elior6383c0b2011-07-14 08:31:57 +000011162 /*
11163 * Map doorbels here as we need the real value of bp->max_cos which
11164 * is initialized in bnx2x_init_bp().
11165 */
11166 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
11167 min_t(u64, BNX2X_DB_SIZE(bp),
11168 pci_resource_len(pdev, 2)));
11169 if (!bp->doorbells) {
11170 dev_err(&bp->pdev->dev,
11171 "Cannot map doorbell space, aborting\n");
11172 rc = -ENOMEM;
11173 goto init_one_exit;
11174 }
11175
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011176 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011177 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011178
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011179#ifdef BCM_CNIC
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000011180 /* disable FCOE L2 queue for E1x */
11181 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011182 bp->flags |= NO_FCOE_FLAG;
11183
11184#endif
11185
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011186 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011187 * needed, set bp->num_queues appropriately.
11188 */
11189 bnx2x_set_int_mode(bp);
11190
11191 /* Add all NAPI objects */
11192 bnx2x_add_all_napi(bp);
11193
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080011194 rc = register_netdev(dev);
11195 if (rc) {
11196 dev_err(&pdev->dev, "Cannot register net device\n");
11197 goto init_one_exit;
11198 }
11199
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011200#ifdef BCM_CNIC
11201 if (!NO_FCOE(bp)) {
11202 /* Add storage MAC address */
11203 rtnl_lock();
11204 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11205 rtnl_unlock();
11206 }
11207#endif
11208
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011209 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011210
Joe Perches94f05b02011-08-14 12:16:20 +000011211 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx, IRQ %d, node addr %pM\n",
11212 board_info[ent->driver_data].name,
11213 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
11214 pcie_width,
11215 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
11216 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
11217 "5GHz (Gen2)" : "2.5GHz",
11218 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000011219
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011220 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011221
11222init_one_exit:
11223 if (bp->regview)
11224 iounmap(bp->regview);
11225
11226 if (bp->doorbells)
11227 iounmap(bp->doorbells);
11228
11229 free_netdev(dev);
11230
11231 if (atomic_read(&pdev->enable_cnt) == 1)
11232 pci_release_regions(pdev);
11233
11234 pci_disable_device(pdev);
11235 pci_set_drvdata(pdev, NULL);
11236
11237 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011238}
11239
11240static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
11241{
11242 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080011243 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011244
Eliezer Tamir228241e2008-02-28 11:56:57 -080011245 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011246 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080011247 return;
11248 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080011249 bp = netdev_priv(dev);
11250
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011251#ifdef BCM_CNIC
11252 /* Delete storage MAC address */
11253 if (!NO_FCOE(bp)) {
11254 rtnl_lock();
11255 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11256 rtnl_unlock();
11257 }
11258#endif
11259
Shmulik Ravid98507672011-02-28 12:19:55 -080011260#ifdef BCM_DCBNL
11261 /* Delete app tlvs from dcbnl */
11262 bnx2x_dcbnl_update_applist(bp, true);
11263#endif
11264
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011265 unregister_netdev(dev);
11266
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011267 /* Delete all NAPI objects */
11268 bnx2x_del_all_napi(bp);
11269
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011270 /* Power on: we can't let PCI layer write to us while we are in D3 */
11271 bnx2x_set_power_state(bp, PCI_D0);
11272
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011273 /* Disable MSI/MSI-X */
11274 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011275
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011276 /* Power off */
11277 bnx2x_set_power_state(bp, PCI_D3hot);
11278
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011279 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000011280 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011281
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011282 if (bp->regview)
11283 iounmap(bp->regview);
11284
11285 if (bp->doorbells)
11286 iounmap(bp->doorbells);
11287
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011288 bnx2x_release_firmware(bp);
11289
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011290 bnx2x_free_mem_bp(bp);
11291
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011292 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011293
11294 if (atomic_read(&pdev->enable_cnt) == 1)
11295 pci_release_regions(pdev);
11296
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011297 pci_disable_device(pdev);
11298 pci_set_drvdata(pdev, NULL);
11299}
11300
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011301static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
11302{
11303 int i;
11304
11305 bp->state = BNX2X_STATE_ERROR;
11306
11307 bp->rx_mode = BNX2X_RX_MODE_NONE;
11308
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011309#ifdef BCM_CNIC
11310 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
11311#endif
11312 /* Stop Tx */
11313 bnx2x_tx_disable(bp);
11314
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011315 bnx2x_netif_stop(bp, 0);
11316
11317 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011318
11319 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011320
11321 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011322 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011323
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011324 /* Free SKBs, SGEs, TPA pool and driver internals */
11325 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011326
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011327 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011328 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011329
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011330 bnx2x_free_mem(bp);
11331
11332 bp->state = BNX2X_STATE_CLOSED;
11333
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011334 netif_carrier_off(bp->dev);
11335
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011336 return 0;
11337}
11338
11339static void bnx2x_eeh_recover(struct bnx2x *bp)
11340{
11341 u32 val;
11342
11343 mutex_init(&bp->port.phy_mutex);
11344
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011345
11346 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
11347 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
11348 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
11349 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011350}
11351
Wendy Xiong493adb12008-06-23 20:36:22 -070011352/**
11353 * bnx2x_io_error_detected - called when PCI error is detected
11354 * @pdev: Pointer to PCI device
11355 * @state: The current pci connection state
11356 *
11357 * This function is called after a PCI bus error affecting
11358 * this device has been detected.
11359 */
11360static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
11361 pci_channel_state_t state)
11362{
11363 struct net_device *dev = pci_get_drvdata(pdev);
11364 struct bnx2x *bp = netdev_priv(dev);
11365
11366 rtnl_lock();
11367
11368 netif_device_detach(dev);
11369
Dean Nelson07ce50e2009-07-31 09:13:25 +000011370 if (state == pci_channel_io_perm_failure) {
11371 rtnl_unlock();
11372 return PCI_ERS_RESULT_DISCONNECT;
11373 }
11374
Wendy Xiong493adb12008-06-23 20:36:22 -070011375 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011376 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070011377
11378 pci_disable_device(pdev);
11379
11380 rtnl_unlock();
11381
11382 /* Request a slot reset */
11383 return PCI_ERS_RESULT_NEED_RESET;
11384}
11385
11386/**
11387 * bnx2x_io_slot_reset - called after the PCI bus has been reset
11388 * @pdev: Pointer to PCI device
11389 *
11390 * Restart the card from scratch, as if from a cold-boot.
11391 */
11392static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
11393{
11394 struct net_device *dev = pci_get_drvdata(pdev);
11395 struct bnx2x *bp = netdev_priv(dev);
11396
11397 rtnl_lock();
11398
11399 if (pci_enable_device(pdev)) {
11400 dev_err(&pdev->dev,
11401 "Cannot re-enable PCI device after reset\n");
11402 rtnl_unlock();
11403 return PCI_ERS_RESULT_DISCONNECT;
11404 }
11405
11406 pci_set_master(pdev);
11407 pci_restore_state(pdev);
11408
11409 if (netif_running(dev))
11410 bnx2x_set_power_state(bp, PCI_D0);
11411
11412 rtnl_unlock();
11413
11414 return PCI_ERS_RESULT_RECOVERED;
11415}
11416
11417/**
11418 * bnx2x_io_resume - called when traffic can start flowing again
11419 * @pdev: Pointer to PCI device
11420 *
11421 * This callback is called when the error recovery driver tells us that
11422 * its OK to resume normal operation.
11423 */
11424static void bnx2x_io_resume(struct pci_dev *pdev)
11425{
11426 struct net_device *dev = pci_get_drvdata(pdev);
11427 struct bnx2x *bp = netdev_priv(dev);
11428
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011429 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000011430 netdev_err(bp->dev, "Handling parity error recovery. "
11431 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011432 return;
11433 }
11434
Wendy Xiong493adb12008-06-23 20:36:22 -070011435 rtnl_lock();
11436
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011437 bnx2x_eeh_recover(bp);
11438
Wendy Xiong493adb12008-06-23 20:36:22 -070011439 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011440 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070011441
11442 netif_device_attach(dev);
11443
11444 rtnl_unlock();
11445}
11446
11447static struct pci_error_handlers bnx2x_err_handler = {
11448 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000011449 .slot_reset = bnx2x_io_slot_reset,
11450 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070011451};
11452
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011453static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070011454 .name = DRV_MODULE_NAME,
11455 .id_table = bnx2x_pci_tbl,
11456 .probe = bnx2x_init_one,
11457 .remove = __devexit_p(bnx2x_remove_one),
11458 .suspend = bnx2x_suspend,
11459 .resume = bnx2x_resume,
11460 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011461};
11462
11463static int __init bnx2x_init(void)
11464{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011465 int ret;
11466
Joe Perches7995c642010-02-17 15:01:52 +000011467 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000011468
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011469 bnx2x_wq = create_singlethread_workqueue("bnx2x");
11470 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000011471 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011472 return -ENOMEM;
11473 }
11474
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011475 ret = pci_register_driver(&bnx2x_pci_driver);
11476 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000011477 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011478 destroy_workqueue(bnx2x_wq);
11479 }
11480 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011481}
11482
11483static void __exit bnx2x_cleanup(void)
11484{
11485 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011486
11487 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011488}
11489
Yaniv Rosner3deb8162011-06-14 01:34:33 +000011490void bnx2x_notify_link_changed(struct bnx2x *bp)
11491{
11492 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
11493}
11494
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011495module_init(bnx2x_init);
11496module_exit(bnx2x_cleanup);
11497
Michael Chan993ac7b2009-10-10 13:46:56 +000011498#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011499/**
11500 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
11501 *
11502 * @bp: driver handle
11503 * @set: set or clear the CAM entry
11504 *
11505 * This function will wait until the ramdord completion returns.
11506 * Return 0 if success, -ENODEV if ramrod doesn't return.
11507 */
11508static inline int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
11509{
11510 unsigned long ramrod_flags = 0;
11511
11512 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
11513 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
11514 &bp->iscsi_l2_mac_obj, true,
11515 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
11516}
Michael Chan993ac7b2009-10-10 13:46:56 +000011517
11518/* count denotes the number of new completions we have seen */
11519static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
11520{
11521 struct eth_spe *spe;
11522
11523#ifdef BNX2X_STOP_ON_ERROR
11524 if (unlikely(bp->panic))
11525 return;
11526#endif
11527
11528 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011529 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000011530 bp->cnic_spq_pending -= count;
11531
Michael Chan993ac7b2009-10-10 13:46:56 +000011532
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011533 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
11534 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
11535 & SPE_HDR_CONN_TYPE) >>
11536 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011537 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
11538 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011539
11540 /* Set validation for iSCSI L2 client before sending SETUP
11541 * ramrod
11542 */
11543 if (type == ETH_CONNECTION_TYPE) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011544 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011545 bnx2x_set_ctx_validation(bp, &bp->context.
11546 vcxt[BNX2X_ISCSI_ETH_CID].eth,
11547 BNX2X_ISCSI_ETH_CID);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011548 }
11549
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011550 /*
11551 * There may be not more than 8 L2, not more than 8 L5 SPEs
11552 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011553 * COMMON ramrods is not more than the EQ and SPQ can
11554 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011555 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011556 if (type == ETH_CONNECTION_TYPE) {
11557 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011558 break;
11559 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011560 atomic_dec(&bp->cq_spq_left);
11561 } else if (type == NONE_CONNECTION_TYPE) {
11562 if (!atomic_read(&bp->eq_spq_left))
11563 break;
11564 else
11565 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011566 } else if ((type == ISCSI_CONNECTION_TYPE) ||
11567 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011568 if (bp->cnic_spq_pending >=
11569 bp->cnic_eth_dev.max_kwqe_pending)
11570 break;
11571 else
11572 bp->cnic_spq_pending++;
11573 } else {
11574 BNX2X_ERR("Unknown SPE type: %d\n", type);
11575 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000011576 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011577 }
Michael Chan993ac7b2009-10-10 13:46:56 +000011578
11579 spe = bnx2x_sp_get_next(bp);
11580 *spe = *bp->cnic_kwq_cons;
11581
Michael Chan993ac7b2009-10-10 13:46:56 +000011582 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
11583 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
11584
11585 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
11586 bp->cnic_kwq_cons = bp->cnic_kwq;
11587 else
11588 bp->cnic_kwq_cons++;
11589 }
11590 bnx2x_sp_prod_update(bp);
11591 spin_unlock_bh(&bp->spq_lock);
11592}
11593
11594static int bnx2x_cnic_sp_queue(struct net_device *dev,
11595 struct kwqe_16 *kwqes[], u32 count)
11596{
11597 struct bnx2x *bp = netdev_priv(dev);
11598 int i;
11599
11600#ifdef BNX2X_STOP_ON_ERROR
11601 if (unlikely(bp->panic))
11602 return -EIO;
11603#endif
11604
Ariel Elior95c6c6162012-01-26 06:01:52 +000011605 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
11606 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
11607 netdev_err(dev, "Handling parity error recovery. Try again "
11608 "later\n");
11609 return -EAGAIN;
11610 }
11611
Michael Chan993ac7b2009-10-10 13:46:56 +000011612 spin_lock_bh(&bp->spq_lock);
11613
11614 for (i = 0; i < count; i++) {
11615 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
11616
11617 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
11618 break;
11619
11620 *bp->cnic_kwq_prod = *spe;
11621
11622 bp->cnic_kwq_pending++;
11623
11624 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
11625 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011626 spe->data.update_data_addr.hi,
11627 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000011628 bp->cnic_kwq_pending);
11629
11630 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
11631 bp->cnic_kwq_prod = bp->cnic_kwq;
11632 else
11633 bp->cnic_kwq_prod++;
11634 }
11635
11636 spin_unlock_bh(&bp->spq_lock);
11637
11638 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
11639 bnx2x_cnic_sp_post(bp, 0);
11640
11641 return i;
11642}
11643
11644static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
11645{
11646 struct cnic_ops *c_ops;
11647 int rc = 0;
11648
11649 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000011650 c_ops = rcu_dereference_protected(bp->cnic_ops,
11651 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000011652 if (c_ops)
11653 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
11654 mutex_unlock(&bp->cnic_mutex);
11655
11656 return rc;
11657}
11658
11659static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
11660{
11661 struct cnic_ops *c_ops;
11662 int rc = 0;
11663
11664 rcu_read_lock();
11665 c_ops = rcu_dereference(bp->cnic_ops);
11666 if (c_ops)
11667 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
11668 rcu_read_unlock();
11669
11670 return rc;
11671}
11672
11673/*
11674 * for commands that have no data
11675 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011676int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000011677{
11678 struct cnic_ctl_info ctl = {0};
11679
11680 ctl.cmd = cmd;
11681
11682 return bnx2x_cnic_ctl_send(bp, &ctl);
11683}
11684
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011685static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000011686{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011687 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000011688
11689 /* first we tell CNIC and only then we count this as a completion */
11690 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
11691 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011692 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000011693
11694 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011695 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000011696}
11697
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011698
11699/* Called with netif_addr_lock_bh() taken.
11700 * Sets an rx_mode config for an iSCSI ETH client.
11701 * Doesn't block.
11702 * Completion should be checked outside.
11703 */
11704static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
11705{
11706 unsigned long accept_flags = 0, ramrod_flags = 0;
11707 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
11708 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
11709
11710 if (start) {
11711 /* Start accepting on iSCSI L2 ring. Accept all multicasts
11712 * because it's the only way for UIO Queue to accept
11713 * multicasts (in non-promiscuous mode only one Queue per
11714 * function will receive multicast packets (leading in our
11715 * case).
11716 */
11717 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
11718 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
11719 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
11720 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
11721
11722 /* Clear STOP_PENDING bit if START is requested */
11723 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
11724
11725 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
11726 } else
11727 /* Clear START_PENDING bit if STOP is requested */
11728 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
11729
11730 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
11731 set_bit(sched_state, &bp->sp_state);
11732 else {
11733 __set_bit(RAMROD_RX, &ramrod_flags);
11734 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
11735 ramrod_flags);
11736 }
11737}
11738
11739
Michael Chan993ac7b2009-10-10 13:46:56 +000011740static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
11741{
11742 struct bnx2x *bp = netdev_priv(dev);
11743 int rc = 0;
11744
11745 switch (ctl->cmd) {
11746 case DRV_CTL_CTXTBL_WR_CMD: {
11747 u32 index = ctl->data.io.offset;
11748 dma_addr_t addr = ctl->data.io.dma_addr;
11749
11750 bnx2x_ilt_wr(bp, index, addr);
11751 break;
11752 }
11753
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011754 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
11755 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000011756
11757 bnx2x_cnic_sp_post(bp, count);
11758 break;
11759 }
11760
11761 /* rtnl_lock is held. */
11762 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011763 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11764 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000011765
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011766 /* Configure the iSCSI classification object */
11767 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
11768 cp->iscsi_l2_client_id,
11769 cp->iscsi_l2_cid, BP_FUNC(bp),
11770 bnx2x_sp(bp, mac_rdata),
11771 bnx2x_sp_mapping(bp, mac_rdata),
11772 BNX2X_FILTER_MAC_PENDING,
11773 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
11774 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011775
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011776 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011777 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
11778 if (rc)
11779 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011780
11781 mmiowb();
11782 barrier();
11783
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011784 /* Start accepting on iSCSI L2 ring */
11785
11786 netif_addr_lock_bh(dev);
11787 bnx2x_set_iscsi_eth_rx_mode(bp, true);
11788 netif_addr_unlock_bh(dev);
11789
11790 /* bits to wait on */
11791 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
11792 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
11793
11794 if (!bnx2x_wait_sp_comp(bp, sp_bits))
11795 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011796
Michael Chan993ac7b2009-10-10 13:46:56 +000011797 break;
11798 }
11799
11800 /* rtnl_lock is held. */
11801 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011802 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000011803
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011804 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011805 netif_addr_lock_bh(dev);
11806 bnx2x_set_iscsi_eth_rx_mode(bp, false);
11807 netif_addr_unlock_bh(dev);
11808
11809 /* bits to wait on */
11810 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
11811 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
11812
11813 if (!bnx2x_wait_sp_comp(bp, sp_bits))
11814 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011815
11816 mmiowb();
11817 barrier();
11818
11819 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011820 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
11821 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000011822 break;
11823 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011824 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
11825 int count = ctl->data.credit.credit_count;
11826
11827 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011828 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011829 smp_mb__after_atomic_inc();
11830 break;
11831 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000011832 case DRV_CTL_ULP_REGISTER_CMD: {
11833 int ulp_type = ctl->data.ulp_type;
11834
11835 if (CHIP_IS_E3(bp)) {
11836 int idx = BP_FW_MB_IDX(bp);
11837 u32 cap;
11838
11839 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
11840 if (ulp_type == CNIC_ULP_ISCSI)
11841 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
11842 else if (ulp_type == CNIC_ULP_FCOE)
11843 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
11844 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
11845 }
11846 break;
11847 }
11848 case DRV_CTL_ULP_UNREGISTER_CMD: {
11849 int ulp_type = ctl->data.ulp_type;
11850
11851 if (CHIP_IS_E3(bp)) {
11852 int idx = BP_FW_MB_IDX(bp);
11853 u32 cap;
11854
11855 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
11856 if (ulp_type == CNIC_ULP_ISCSI)
11857 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
11858 else if (ulp_type == CNIC_ULP_FCOE)
11859 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
11860 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
11861 }
11862 break;
11863 }
Michael Chan993ac7b2009-10-10 13:46:56 +000011864
11865 default:
11866 BNX2X_ERR("unknown command %x\n", ctl->cmd);
11867 rc = -EINVAL;
11868 }
11869
11870 return rc;
11871}
11872
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011873void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000011874{
11875 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11876
11877 if (bp->flags & USING_MSIX_FLAG) {
11878 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
11879 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
11880 cp->irq_arr[0].vector = bp->msix_table[1].vector;
11881 } else {
11882 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
11883 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
11884 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011885 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011886 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
11887 else
11888 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
11889
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011890 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
11891 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000011892 cp->irq_arr[1].status_blk = bp->def_status_blk;
11893 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011894 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000011895
11896 cp->num_irq = 2;
11897}
11898
11899static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
11900 void *data)
11901{
11902 struct bnx2x *bp = netdev_priv(dev);
11903 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11904
11905 if (ops == NULL)
11906 return -EINVAL;
11907
Michael Chan993ac7b2009-10-10 13:46:56 +000011908 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
11909 if (!bp->cnic_kwq)
11910 return -ENOMEM;
11911
11912 bp->cnic_kwq_cons = bp->cnic_kwq;
11913 bp->cnic_kwq_prod = bp->cnic_kwq;
11914 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
11915
11916 bp->cnic_spq_pending = 0;
11917 bp->cnic_kwq_pending = 0;
11918
11919 bp->cnic_data = data;
11920
11921 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011922 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011923 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000011924
Michael Chan993ac7b2009-10-10 13:46:56 +000011925 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011926
Michael Chan993ac7b2009-10-10 13:46:56 +000011927 rcu_assign_pointer(bp->cnic_ops, ops);
11928
11929 return 0;
11930}
11931
11932static int bnx2x_unregister_cnic(struct net_device *dev)
11933{
11934 struct bnx2x *bp = netdev_priv(dev);
11935 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11936
11937 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000011938 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000011939 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000011940 mutex_unlock(&bp->cnic_mutex);
11941 synchronize_rcu();
11942 kfree(bp->cnic_kwq);
11943 bp->cnic_kwq = NULL;
11944
11945 return 0;
11946}
11947
11948struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
11949{
11950 struct bnx2x *bp = netdev_priv(dev);
11951 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11952
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011953 /* If both iSCSI and FCoE are disabled - return NULL in
11954 * order to indicate CNIC that it should not try to work
11955 * with this device.
11956 */
11957 if (NO_ISCSI(bp) && NO_FCOE(bp))
11958 return NULL;
11959
Michael Chan993ac7b2009-10-10 13:46:56 +000011960 cp->drv_owner = THIS_MODULE;
11961 cp->chip_id = CHIP_ID(bp);
11962 cp->pdev = bp->pdev;
11963 cp->io_base = bp->regview;
11964 cp->io_base2 = bp->doorbells;
11965 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011966 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011967 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
11968 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000011969 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011970 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000011971 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
11972 cp->drv_ctl = bnx2x_drv_ctl;
11973 cp->drv_register_cnic = bnx2x_register_cnic;
11974 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011975 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011976 cp->iscsi_l2_client_id =
11977 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011978 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000011979
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011980 if (NO_ISCSI_OOO(bp))
11981 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
11982
11983 if (NO_ISCSI(bp))
11984 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
11985
11986 if (NO_FCOE(bp))
11987 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
11988
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011989 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
11990 "starting cid %d\n",
11991 cp->ctx_blk_size,
11992 cp->ctx_tbl_offset,
11993 cp->ctx_tbl_len,
11994 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000011995 return cp;
11996}
11997EXPORT_SYMBOL(bnx2x_cnic_probe);
11998
11999#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012000