blob: 9f291198285330c0557684a5836db3d702632e1e [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 Greenstein9898f862009-02-12 08:38:27 +0000120static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200121module_param(poll, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000122MODULE_PARM_DESC(poll, " Use polling (for debug)");
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000123
124static int mrrs = -1;
125module_param(mrrs, int, 0);
126MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
127
Eilon Greenstein9898f862009-02-12 08:38:27 +0000128static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200129module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000130MODULE_PARM_DESC(debug, " Default debug msglevel");
131
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200132
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300133
134struct workqueue_struct *bnx2x_wq;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000135
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200136enum bnx2x_board_type {
137 BCM57710 = 0,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300138 BCM57711,
139 BCM57711E,
140 BCM57712,
141 BCM57712_MF,
142 BCM57800,
143 BCM57800_MF,
144 BCM57810,
145 BCM57810_MF,
146 BCM57840,
147 BCM57840_MF
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200148};
149
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700150/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800151static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200152 char *name;
153} board_info[] __devinitdata = {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300154 { "Broadcom NetXtreme II BCM57710 10 Gigabit PCIe [Everest]" },
155 { "Broadcom NetXtreme II BCM57711 10 Gigabit PCIe" },
156 { "Broadcom NetXtreme II BCM57711E 10 Gigabit PCIe" },
157 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet" },
158 { "Broadcom NetXtreme II BCM57712 10 Gigabit Ethernet Multi Function" },
159 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet" },
160 { "Broadcom NetXtreme II BCM57800 10 Gigabit Ethernet Multi Function" },
161 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet" },
162 { "Broadcom NetXtreme II BCM57810 10 Gigabit Ethernet Multi Function" },
163 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit Ethernet" },
164 { "Broadcom NetXtreme II BCM57840 10/20 Gigabit "
165 "Ethernet Multi Function"}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200166};
167
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300168#ifndef PCI_DEVICE_ID_NX2_57710
169#define PCI_DEVICE_ID_NX2_57710 CHIP_NUM_57710
170#endif
171#ifndef PCI_DEVICE_ID_NX2_57711
172#define PCI_DEVICE_ID_NX2_57711 CHIP_NUM_57711
173#endif
174#ifndef PCI_DEVICE_ID_NX2_57711E
175#define PCI_DEVICE_ID_NX2_57711E CHIP_NUM_57711E
176#endif
177#ifndef PCI_DEVICE_ID_NX2_57712
178#define PCI_DEVICE_ID_NX2_57712 CHIP_NUM_57712
179#endif
180#ifndef PCI_DEVICE_ID_NX2_57712_MF
181#define PCI_DEVICE_ID_NX2_57712_MF CHIP_NUM_57712_MF
182#endif
183#ifndef PCI_DEVICE_ID_NX2_57800
184#define PCI_DEVICE_ID_NX2_57800 CHIP_NUM_57800
185#endif
186#ifndef PCI_DEVICE_ID_NX2_57800_MF
187#define PCI_DEVICE_ID_NX2_57800_MF CHIP_NUM_57800_MF
188#endif
189#ifndef PCI_DEVICE_ID_NX2_57810
190#define PCI_DEVICE_ID_NX2_57810 CHIP_NUM_57810
191#endif
192#ifndef PCI_DEVICE_ID_NX2_57810_MF
193#define PCI_DEVICE_ID_NX2_57810_MF CHIP_NUM_57810_MF
194#endif
195#ifndef PCI_DEVICE_ID_NX2_57840
196#define PCI_DEVICE_ID_NX2_57840 CHIP_NUM_57840
197#endif
198#ifndef PCI_DEVICE_ID_NX2_57840_MF
199#define PCI_DEVICE_ID_NX2_57840_MF CHIP_NUM_57840_MF
200#endif
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000201static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000202 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
203 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
204 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000205 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300206 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712_MF), BCM57712_MF },
207 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800), BCM57800 },
208 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57800_MF), BCM57800_MF },
209 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810), BCM57810 },
210 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57810_MF), BCM57810_MF },
211 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840), BCM57840 },
212 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57840_MF), BCM57840_MF },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200213 { 0 }
214};
215
216MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
217
218/****************************************************************************
219* General service functions
220****************************************************************************/
221
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300222static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
223 u32 addr, dma_addr_t mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000224{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300225 REG_WR(bp, addr, U64_LO(mapping));
226 REG_WR(bp, addr + 4, U64_HI(mapping));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000227}
228
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300229static inline void storm_memset_spq_addr(struct bnx2x *bp,
230 dma_addr_t mapping, u16 abs_fid)
231{
232 u32 addr = XSEM_REG_FAST_MEMORY +
233 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
234
235 __storm_memset_dma_mapping(bp, addr, mapping);
236}
237
238static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
239 u16 pf_id)
240{
241 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
242 pf_id);
243 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
244 pf_id);
245 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
246 pf_id);
247 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
248 pf_id);
249}
250
251static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
252 u8 enable)
253{
254 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
255 enable);
256 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
257 enable);
258 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
259 enable);
260 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
261 enable);
262}
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000263
264static inline void storm_memset_eq_data(struct bnx2x *bp,
265 struct event_ring_data *eq_data,
266 u16 pfid)
267{
268 size_t size = sizeof(struct event_ring_data);
269
270 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
271
272 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
273}
274
275static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
276 u16 pfid)
277{
278 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
279 REG_WR16(bp, addr, eq_prod);
280}
281
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200282/* used only at init
283 * locking is done by mcp
284 */
stephen hemminger8d962862010-10-21 07:50:56 +0000285static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200286{
287 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
288 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
289 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
290 PCICFG_VENDOR_ID_OFFSET);
291}
292
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200293static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
294{
295 u32 val;
296
297 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
298 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
299 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
300 PCICFG_VENDOR_ID_OFFSET);
301
302 return val;
303}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200304
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000305#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
306#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
307#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
308#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
309#define DMAE_DP_DST_NONE "dst_addr [none]"
310
stephen hemminger8d962862010-10-21 07:50:56 +0000311static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
312 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000313{
314 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
315
316 switch (dmae->opcode & DMAE_COMMAND_DST) {
317 case DMAE_CMD_DST_PCI:
318 if (src_type == DMAE_CMD_SRC_PCI)
319 DP(msglvl, "DMAE: opcode 0x%08x\n"
320 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
321 "comp_addr [%x:%08x], comp_val 0x%08x\n",
322 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
323 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
324 dmae->comp_addr_hi, dmae->comp_addr_lo,
325 dmae->comp_val);
326 else
327 DP(msglvl, "DMAE: opcode 0x%08x\n"
328 "src [%08x], len [%d*4], dst [%x:%08x]\n"
329 "comp_addr [%x:%08x], comp_val 0x%08x\n",
330 dmae->opcode, dmae->src_addr_lo >> 2,
331 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
332 dmae->comp_addr_hi, dmae->comp_addr_lo,
333 dmae->comp_val);
334 break;
335 case DMAE_CMD_DST_GRC:
336 if (src_type == DMAE_CMD_SRC_PCI)
337 DP(msglvl, "DMAE: opcode 0x%08x\n"
338 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
339 "comp_addr [%x:%08x], comp_val 0x%08x\n",
340 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
341 dmae->len, dmae->dst_addr_lo >> 2,
342 dmae->comp_addr_hi, dmae->comp_addr_lo,
343 dmae->comp_val);
344 else
345 DP(msglvl, "DMAE: opcode 0x%08x\n"
346 "src [%08x], len [%d*4], dst [%08x]\n"
347 "comp_addr [%x:%08x], comp_val 0x%08x\n",
348 dmae->opcode, dmae->src_addr_lo >> 2,
349 dmae->len, dmae->dst_addr_lo >> 2,
350 dmae->comp_addr_hi, dmae->comp_addr_lo,
351 dmae->comp_val);
352 break;
353 default:
354 if (src_type == DMAE_CMD_SRC_PCI)
355 DP(msglvl, "DMAE: opcode 0x%08x\n"
Joe Perchesf1deab52011-08-14 12:16:21 +0000356 "src_addr [%x:%08x] len [%d * 4] dst_addr [none]\n"
357 "comp_addr [%x:%08x] comp_val 0x%08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000358 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
359 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
360 dmae->comp_val);
361 else
362 DP(msglvl, "DMAE: opcode 0x%08x\n"
Joe Perchesf1deab52011-08-14 12:16:21 +0000363 "src_addr [%08x] len [%d * 4] dst_addr [none]\n"
364 "comp_addr [%x:%08x] comp_val 0x%08x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000365 dmae->opcode, dmae->src_addr_lo >> 2,
366 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
367 dmae->comp_val);
368 break;
369 }
370
371}
372
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200373/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000374void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200375{
376 u32 cmd_offset;
377 int i;
378
379 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
380 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
381 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
382
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700383 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
384 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200385 }
386 REG_WR(bp, dmae_reg_go_c[idx], 1);
387}
388
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000389u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
390{
391 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
392 DMAE_CMD_C_ENABLE);
393}
394
395u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
396{
397 return opcode & ~DMAE_CMD_SRC_RESET;
398}
399
400u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
401 bool with_comp, u8 comp_type)
402{
403 u32 opcode = 0;
404
405 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
406 (dst_type << DMAE_COMMAND_DST_SHIFT));
407
408 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
409
410 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
David S. Miller8decf862011-09-22 03:23:13 -0400411 opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) |
412 (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000413 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
414
415#ifdef __BIG_ENDIAN
416 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
417#else
418 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
419#endif
420 if (with_comp)
421 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
422 return opcode;
423}
424
stephen hemminger8d962862010-10-21 07:50:56 +0000425static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
426 struct dmae_command *dmae,
427 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000428{
429 memset(dmae, 0, sizeof(struct dmae_command));
430
431 /* set the opcode */
432 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
433 true, DMAE_COMP_PCI);
434
435 /* fill in the completion parameters */
436 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
437 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
438 dmae->comp_val = DMAE_COMP_VAL;
439}
440
441/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000442static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
443 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000444{
445 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000446 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000447 int rc = 0;
448
449 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
450 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
451 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
452
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300453 /*
454 * Lock the dmae channel. Disable BHs to prevent a dead-lock
455 * as long as this code is called both from syscall context and
456 * from ndo_set_rx_mode() flow that may be called from BH.
457 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800458 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000459
460 /* reset completion */
461 *wb_comp = 0;
462
463 /* post the command on the channel used for initializations */
464 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
465
466 /* wait for completion */
467 udelay(5);
468 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
469 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
470
Ariel Elior95c6c6162012-01-26 06:01:52 +0000471 if (!cnt ||
472 (bp->recovery_state != BNX2X_RECOVERY_DONE &&
473 bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000474 BNX2X_ERR("DMAE timeout!\n");
475 rc = DMAE_TIMEOUT;
476 goto unlock;
477 }
478 cnt--;
479 udelay(50);
480 }
481 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
482 BNX2X_ERR("DMAE PCI error!\n");
483 rc = DMAE_PCI_ERROR;
484 }
485
486 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
487 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
488 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
489
490unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800491 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000492 return rc;
493}
494
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700495void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
496 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200497{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000498 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700499
500 if (!bp->dmae_ready) {
501 u32 *data = bnx2x_sp(bp, wb_data[0]);
502
Ariel Elior127a4252012-01-26 06:01:46 +0000503 DP(BNX2X_MSG_OFF,
504 "DMAE is not ready (dst_addr %08x len32 %d) using indirect\n",
505 dst_addr, len32);
506 if (CHIP_IS_E1(bp))
507 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
508 else
509 bnx2x_init_str_wr(bp, dst_addr, data, len32);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700510 return;
511 }
512
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000513 /* set opcode and fixed command fields */
514 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200515
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000516 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000517 dmae.src_addr_lo = U64_LO(dma_addr);
518 dmae.src_addr_hi = U64_HI(dma_addr);
519 dmae.dst_addr_lo = dst_addr >> 2;
520 dmae.dst_addr_hi = 0;
521 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200522
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000523 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200524
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000525 /* issue the command and wait for completion */
526 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200527}
528
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700529void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200530{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000531 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700532
533 if (!bp->dmae_ready) {
534 u32 *data = bnx2x_sp(bp, wb_data[0]);
535 int i;
536
Ariel Elior127a4252012-01-26 06:01:46 +0000537 if (CHIP_IS_E1(bp)) {
538 DP(BNX2X_MSG_OFF,
539 "DMAE is not ready (src_addr %08x len32 %d) using indirect\n",
540 src_addr, len32);
541 for (i = 0; i < len32; i++)
542 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
543 } else
544 for (i = 0; i < len32; i++)
545 data[i] = REG_RD(bp, src_addr + i*4);
546
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700547 return;
548 }
549
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000550 /* set opcode and fixed command fields */
551 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200552
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000553 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000554 dmae.src_addr_lo = src_addr >> 2;
555 dmae.src_addr_hi = 0;
556 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
557 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
558 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200559
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000560 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200561
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000562 /* issue the command and wait for completion */
563 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200564}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200565
stephen hemminger8d962862010-10-21 07:50:56 +0000566static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
567 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000568{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000569 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000570 int offset = 0;
571
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000572 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000573 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000574 addr + offset, dmae_wr_max);
575 offset += dmae_wr_max * 4;
576 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000577 }
578
579 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
580}
581
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700582/* used only for slowpath so not inlined */
583static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
584{
585 u32 wb_write[2];
586
587 wb_write[0] = val_hi;
588 wb_write[1] = val_lo;
589 REG_WR_DMAE(bp, reg, wb_write, 2);
590}
591
592#ifdef USE_WB_RD
593static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
594{
595 u32 wb_data[2];
596
597 REG_RD_DMAE(bp, reg, wb_data, 2);
598
599 return HILO_U64(wb_data[0], wb_data[1]);
600}
601#endif
602
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200603static int bnx2x_mc_assert(struct bnx2x *bp)
604{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200605 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700606 int i, rc = 0;
607 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200608
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700609 /* XSTORM */
610 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
611 XSTORM_ASSERT_LIST_INDEX_OFFSET);
612 if (last_idx)
613 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200614
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700615 /* print the asserts */
616 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200617
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700618 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
619 XSTORM_ASSERT_LIST_OFFSET(i));
620 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
621 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
622 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
623 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
624 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
625 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200626
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700627 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
628 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
629 " 0x%08x 0x%08x 0x%08x\n",
630 i, row3, row2, row1, row0);
631 rc++;
632 } else {
633 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200634 }
635 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700636
637 /* TSTORM */
638 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
639 TSTORM_ASSERT_LIST_INDEX_OFFSET);
640 if (last_idx)
641 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
642
643 /* print the asserts */
644 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
645
646 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
647 TSTORM_ASSERT_LIST_OFFSET(i));
648 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
649 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
650 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
651 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
652 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
653 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
654
655 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
656 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
657 " 0x%08x 0x%08x 0x%08x\n",
658 i, row3, row2, row1, row0);
659 rc++;
660 } else {
661 break;
662 }
663 }
664
665 /* CSTORM */
666 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
667 CSTORM_ASSERT_LIST_INDEX_OFFSET);
668 if (last_idx)
669 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
670
671 /* print the asserts */
672 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
673
674 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
675 CSTORM_ASSERT_LIST_OFFSET(i));
676 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
677 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
678 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
679 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
680 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
681 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
682
683 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
684 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
685 " 0x%08x 0x%08x 0x%08x\n",
686 i, row3, row2, row1, row0);
687 rc++;
688 } else {
689 break;
690 }
691 }
692
693 /* USTORM */
694 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
695 USTORM_ASSERT_LIST_INDEX_OFFSET);
696 if (last_idx)
697 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
698
699 /* print the asserts */
700 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
701
702 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
703 USTORM_ASSERT_LIST_OFFSET(i));
704 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
705 USTORM_ASSERT_LIST_OFFSET(i) + 4);
706 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
707 USTORM_ASSERT_LIST_OFFSET(i) + 8);
708 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
709 USTORM_ASSERT_LIST_OFFSET(i) + 12);
710
711 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
712 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
713 " 0x%08x 0x%08x 0x%08x\n",
714 i, row3, row2, row1, row0);
715 rc++;
716 } else {
717 break;
718 }
719 }
720
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200721 return rc;
722}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800723
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000724void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200725{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000726 u32 addr, val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000728 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200729 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000730 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000731 if (BP_NOMCP(bp)) {
732 BNX2X_ERR("NO MCP - can not dump\n");
733 return;
734 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000735 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
736 (bp->common.bc_ver & 0xff0000) >> 16,
737 (bp->common.bc_ver & 0xff00) >> 8,
738 (bp->common.bc_ver & 0xff));
739
740 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
741 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
742 printk("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000743
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000744 if (BP_PATH(bp) == 0)
745 trace_shmem_base = bp->common.shmem_base;
746 else
747 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
748 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000749 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000750 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
751 + ((mark + 0x3) & ~0x3) - 0x08000000;
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000752 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200753
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000754 printk("%s", lvl);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000755 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200756 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000757 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200758 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000759 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200760 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000761 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200762 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000763 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200764 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000765 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200766 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000767 printk("%s" "end of fw dump\n", lvl);
768}
769
770static inline void bnx2x_fw_dump(struct bnx2x *bp)
771{
772 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200773}
774
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000775void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200776{
777 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000778 u16 j;
779 struct hc_sp_status_block_data sp_sb_data;
780 int func = BP_FUNC(bp);
781#ifdef BNX2X_STOP_ON_ERROR
782 u16 start = 0, end = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000783 u8 cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000784#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200785
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700786 bp->stats_state = STATS_STATE_DISABLED;
Ariel Elior7a752992012-01-26 06:01:53 +0000787 bp->eth_stats.unrecoverable_error++;
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700788 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
789
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200790 BNX2X_ERR("begin crash dump -----------------\n");
791
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000792 /* Indices */
793 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000794 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300795 " spq_prod_idx(0x%x) next_stats_cnt(0x%x)\n",
796 bp->def_idx, bp->def_att_idx, bp->attn_state,
797 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000798 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
799 bp->def_status_blk->atten_status_block.attn_bits,
800 bp->def_status_blk->atten_status_block.attn_bits_ack,
801 bp->def_status_blk->atten_status_block.status_block_id,
802 bp->def_status_blk->atten_status_block.attn_bits_index);
803 BNX2X_ERR(" def (");
804 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
805 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000806 bp->def_status_blk->sp_sb.index_values[i],
807 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000808
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000809 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
810 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
811 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
812 i*sizeof(u32));
813
Joe Perchesf1deab52011-08-14 12:16:21 +0000814 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 +0000815 sp_sb_data.igu_sb_id,
816 sp_sb_data.igu_seg_id,
817 sp_sb_data.p_func.pf_id,
818 sp_sb_data.p_func.vnic_id,
819 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300820 sp_sb_data.p_func.vf_valid,
821 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000822
823
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000824 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000825 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000826 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000827 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000828 struct hc_status_block_data_e1x sb_data_e1x;
829 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300830 CHIP_IS_E1x(bp) ?
831 sb_data_e1x.common.state_machine :
832 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000833 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300834 CHIP_IS_E1x(bp) ?
835 sb_data_e1x.index_data :
836 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000837 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000838 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000839 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000840
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000841 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000842 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000843 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000844 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000845 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000846 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000847 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000848 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000849 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000850 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000851 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000852
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000853 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000854 for_each_cos_in_tx_queue(fp, cos)
855 {
856 txdata = fp->txdata[cos];
857 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
858 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
859 " *tx_cons_sb(0x%x)\n",
860 i, txdata.tx_pkt_prod,
861 txdata.tx_pkt_cons, txdata.tx_bd_prod,
862 txdata.tx_bd_cons,
863 le16_to_cpu(*txdata.tx_cons_sb));
864 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000865
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300866 loop = CHIP_IS_E1x(bp) ?
867 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000868
869 /* host sb data */
870
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000871#ifdef BCM_CNIC
872 if (IS_FCOE_FP(fp))
873 continue;
874#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000875 BNX2X_ERR(" run indexes (");
876 for (j = 0; j < HC_SB_MAX_SM; j++)
877 pr_cont("0x%x%s",
878 fp->sb_running_index[j],
879 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
880
881 BNX2X_ERR(" indexes (");
882 for (j = 0; j < loop; j++)
883 pr_cont("0x%x%s",
884 fp->sb_index_values[j],
885 (j == loop - 1) ? ")" : " ");
886 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300887 data_size = CHIP_IS_E1x(bp) ?
888 sizeof(struct hc_status_block_data_e1x) :
889 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000890 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300891 sb_data_p = CHIP_IS_E1x(bp) ?
892 (u32 *)&sb_data_e1x :
893 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000894 /* copy sb data in here */
895 for (j = 0; j < data_size; j++)
896 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
897 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
898 j * sizeof(u32));
899
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300900 if (!CHIP_IS_E1x(bp)) {
901 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) "
902 "vnic_id(0x%x) same_igu_sb_1b(0x%x) "
903 "state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000904 sb_data_e2.common.p_func.pf_id,
905 sb_data_e2.common.p_func.vf_id,
906 sb_data_e2.common.p_func.vf_valid,
907 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300908 sb_data_e2.common.same_igu_sb_1b,
909 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000910 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300911 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) "
912 "vnic_id(0x%x) same_igu_sb_1b(0x%x) "
913 "state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000914 sb_data_e1x.common.p_func.pf_id,
915 sb_data_e1x.common.p_func.vf_id,
916 sb_data_e1x.common.p_func.vf_valid,
917 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300918 sb_data_e1x.common.same_igu_sb_1b,
919 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000920 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000921
922 /* SB_SMs data */
923 for (j = 0; j < HC_SB_MAX_SM; j++) {
924 pr_cont("SM[%d] __flags (0x%x) "
925 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
926 "time_to_expire (0x%x) "
927 "timer_value(0x%x)\n", j,
928 hc_sm_p[j].__flags,
929 hc_sm_p[j].igu_sb_id,
930 hc_sm_p[j].igu_seg_id,
931 hc_sm_p[j].time_to_expire,
932 hc_sm_p[j].timer_value);
933 }
934
935 /* Indecies data */
936 for (j = 0; j < loop; j++) {
937 pr_cont("INDEX[%d] flags (0x%x) "
938 "timeout (0x%x)\n", j,
939 hc_index_p[j].flags,
940 hc_index_p[j].timeout);
941 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000942 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200943
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000944#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000945 /* Rings */
946 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000947 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000948 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200949
950 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
951 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000952 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200953 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
954 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
955
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000956 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +0000957 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200958 }
959
Eilon Greenstein3196a882008-08-13 15:58:49 -0700960 start = RX_SGE(fp->rx_sge_prod);
961 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000962 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700963 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
964 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
965
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000966 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
967 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700968 }
969
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200970 start = RCQ_BD(fp->rx_comp_cons - 10);
971 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000972 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200973 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
974
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000975 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
976 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200977 }
978 }
979
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000980 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000981 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000982 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +0000983 for_each_cos_in_tx_queue(fp, cos) {
984 struct bnx2x_fp_txdata *txdata = &fp->txdata[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000985
Ariel Elior6383c0b2011-07-14 08:31:57 +0000986 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
987 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
988 for (j = start; j != end; j = TX_BD(j + 1)) {
989 struct sw_tx_bd *sw_bd =
990 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000991
Ariel Elior6383c0b2011-07-14 08:31:57 +0000992 BNX2X_ERR("fp%d: txdata %d, "
993 "packet[%x]=[%p,%x]\n",
994 i, cos, j, sw_bd->skb,
995 sw_bd->first_bd);
996 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000997
Ariel Elior6383c0b2011-07-14 08:31:57 +0000998 start = TX_BD(txdata->tx_bd_cons - 10);
999 end = TX_BD(txdata->tx_bd_cons + 254);
1000 for (j = start; j != end; j = TX_BD(j + 1)) {
1001 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001002
Ariel Elior6383c0b2011-07-14 08:31:57 +00001003 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]="
1004 "[%x:%x:%x:%x]\n",
1005 i, cos, j, tx_bd[0], tx_bd[1],
1006 tx_bd[2], tx_bd[3]);
1007 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001008 }
1009 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001010#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001011 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001012 bnx2x_mc_assert(bp);
1013 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001014}
1015
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001016/*
1017 * FLR Support for E2
1018 *
1019 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
1020 * initialization.
1021 */
1022#define FLR_WAIT_USEC 10000 /* 10 miliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001023#define FLR_WAIT_INTERVAL 50 /* usec */
1024#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001025
1026struct pbf_pN_buf_regs {
1027 int pN;
1028 u32 init_crd;
1029 u32 crd;
1030 u32 crd_freed;
1031};
1032
1033struct pbf_pN_cmd_regs {
1034 int pN;
1035 u32 lines_occup;
1036 u32 lines_freed;
1037};
1038
1039static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
1040 struct pbf_pN_buf_regs *regs,
1041 u32 poll_count)
1042{
1043 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
1044 u32 cur_cnt = poll_count;
1045
1046 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
1047 crd = crd_start = REG_RD(bp, regs->crd);
1048 init_crd = REG_RD(bp, regs->init_crd);
1049
1050 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
1051 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
1052 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
1053
1054 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
1055 (init_crd - crd_start))) {
1056 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001057 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001058 crd = REG_RD(bp, regs->crd);
1059 crd_freed = REG_RD(bp, regs->crd_freed);
1060 } else {
1061 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
1062 regs->pN);
1063 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
1064 regs->pN, crd);
1065 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
1066 regs->pN, crd_freed);
1067 break;
1068 }
1069 }
1070 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001071 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001072}
1073
1074static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
1075 struct pbf_pN_cmd_regs *regs,
1076 u32 poll_count)
1077{
1078 u32 occup, to_free, freed, freed_start;
1079 u32 cur_cnt = poll_count;
1080
1081 occup = to_free = REG_RD(bp, regs->lines_occup);
1082 freed = freed_start = REG_RD(bp, regs->lines_freed);
1083
1084 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
1085 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
1086
1087 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1088 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001089 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001090 occup = REG_RD(bp, regs->lines_occup);
1091 freed = REG_RD(bp, regs->lines_freed);
1092 } else {
1093 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1094 regs->pN);
1095 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
1096 regs->pN, occup);
1097 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1098 regs->pN, freed);
1099 break;
1100 }
1101 }
1102 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001103 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001104}
1105
1106static inline u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1107 u32 expected, u32 poll_count)
1108{
1109 u32 cur_cnt = poll_count;
1110 u32 val;
1111
1112 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001113 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001114
1115 return val;
1116}
1117
1118static inline int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1119 char *msg, u32 poll_cnt)
1120{
1121 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1122 if (val != 0) {
1123 BNX2X_ERR("%s usage count=%d\n", msg, val);
1124 return 1;
1125 }
1126 return 0;
1127}
1128
1129static u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
1130{
1131 /* adjust polling timeout */
1132 if (CHIP_REV_IS_EMUL(bp))
1133 return FLR_POLL_CNT * 2000;
1134
1135 if (CHIP_REV_IS_FPGA(bp))
1136 return FLR_POLL_CNT * 120;
1137
1138 return FLR_POLL_CNT;
1139}
1140
1141static void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
1142{
1143 struct pbf_pN_cmd_regs cmd_regs[] = {
1144 {0, (CHIP_IS_E3B0(bp)) ?
1145 PBF_REG_TQ_OCCUPANCY_Q0 :
1146 PBF_REG_P0_TQ_OCCUPANCY,
1147 (CHIP_IS_E3B0(bp)) ?
1148 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1149 PBF_REG_P0_TQ_LINES_FREED_CNT},
1150 {1, (CHIP_IS_E3B0(bp)) ?
1151 PBF_REG_TQ_OCCUPANCY_Q1 :
1152 PBF_REG_P1_TQ_OCCUPANCY,
1153 (CHIP_IS_E3B0(bp)) ?
1154 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1155 PBF_REG_P1_TQ_LINES_FREED_CNT},
1156 {4, (CHIP_IS_E3B0(bp)) ?
1157 PBF_REG_TQ_OCCUPANCY_LB_Q :
1158 PBF_REG_P4_TQ_OCCUPANCY,
1159 (CHIP_IS_E3B0(bp)) ?
1160 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1161 PBF_REG_P4_TQ_LINES_FREED_CNT}
1162 };
1163
1164 struct pbf_pN_buf_regs buf_regs[] = {
1165 {0, (CHIP_IS_E3B0(bp)) ?
1166 PBF_REG_INIT_CRD_Q0 :
1167 PBF_REG_P0_INIT_CRD ,
1168 (CHIP_IS_E3B0(bp)) ?
1169 PBF_REG_CREDIT_Q0 :
1170 PBF_REG_P0_CREDIT,
1171 (CHIP_IS_E3B0(bp)) ?
1172 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1173 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1174 {1, (CHIP_IS_E3B0(bp)) ?
1175 PBF_REG_INIT_CRD_Q1 :
1176 PBF_REG_P1_INIT_CRD,
1177 (CHIP_IS_E3B0(bp)) ?
1178 PBF_REG_CREDIT_Q1 :
1179 PBF_REG_P1_CREDIT,
1180 (CHIP_IS_E3B0(bp)) ?
1181 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1182 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1183 {4, (CHIP_IS_E3B0(bp)) ?
1184 PBF_REG_INIT_CRD_LB_Q :
1185 PBF_REG_P4_INIT_CRD,
1186 (CHIP_IS_E3B0(bp)) ?
1187 PBF_REG_CREDIT_LB_Q :
1188 PBF_REG_P4_CREDIT,
1189 (CHIP_IS_E3B0(bp)) ?
1190 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1191 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1192 };
1193
1194 int i;
1195
1196 /* Verify the command queues are flushed P0, P1, P4 */
1197 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1198 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1199
1200
1201 /* Verify the transmission buffers are flushed P0, P1, P4 */
1202 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1203 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1204}
1205
1206#define OP_GEN_PARAM(param) \
1207 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1208
1209#define OP_GEN_TYPE(type) \
1210 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1211
1212#define OP_GEN_AGG_VECT(index) \
1213 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1214
1215
1216static inline int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
1217 u32 poll_cnt)
1218{
1219 struct sdm_op_gen op_gen = {0};
1220
1221 u32 comp_addr = BAR_CSTRORM_INTMEM +
1222 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1223 int ret = 0;
1224
1225 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001226 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001227 return 1;
1228 }
1229
1230 op_gen.command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1231 op_gen.command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1232 op_gen.command |= OP_GEN_AGG_VECT(clnup_func);
1233 op_gen.command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
1234
Ariel Elior89db4ad2012-01-26 06:01:48 +00001235 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001236 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen.command);
1237
1238 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1239 BNX2X_ERR("FW final cleanup did not succeed\n");
1240 ret = 1;
1241 }
1242 /* Zero completion for nxt FLR */
1243 REG_WR(bp, comp_addr, 0);
1244
1245 return ret;
1246}
1247
1248static inline u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
1249{
1250 int pos;
1251 u16 status;
1252
Jon Mason77c98e62011-06-27 07:45:12 +00001253 pos = pci_pcie_cap(dev);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001254 if (!pos)
1255 return false;
1256
1257 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
1258 return status & PCI_EXP_DEVSTA_TRPND;
1259}
1260
1261/* PF FLR specific routines
1262*/
1263static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1264{
1265
1266 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1267 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1268 CFC_REG_NUM_LCIDS_INSIDE_PF,
1269 "CFC PF usage counter timed out",
1270 poll_cnt))
1271 return 1;
1272
1273
1274 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1275 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1276 DORQ_REG_PF_USAGE_CNT,
1277 "DQ PF usage counter timed out",
1278 poll_cnt))
1279 return 1;
1280
1281 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1282 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1283 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1284 "QM PF usage counter timed out",
1285 poll_cnt))
1286 return 1;
1287
1288 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1289 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1290 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1291 "Timers VNIC usage counter timed out",
1292 poll_cnt))
1293 return 1;
1294 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1295 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1296 "Timers NUM_SCANS usage counter timed out",
1297 poll_cnt))
1298 return 1;
1299
1300 /* Wait DMAE PF usage counter to zero */
1301 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1302 dmae_reg_go_c[INIT_DMAE_C(bp)],
1303 "DMAE dommand register timed out",
1304 poll_cnt))
1305 return 1;
1306
1307 return 0;
1308}
1309
1310static void bnx2x_hw_enable_status(struct bnx2x *bp)
1311{
1312 u32 val;
1313
1314 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1315 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1316
1317 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1318 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1319
1320 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1321 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1322
1323 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1324 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1325
1326 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1327 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1328
1329 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1330 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1331
1332 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1333 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1334
1335 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1336 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1337 val);
1338}
1339
1340static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1341{
1342 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1343
1344 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1345
1346 /* Re-enable PF target read access */
1347 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1348
1349 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001350 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001351 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1352 return -EBUSY;
1353
1354 /* Zero the igu 'trailing edge' and 'leading edge' */
1355
1356 /* Send the FW cleanup command */
1357 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1358 return -EBUSY;
1359
1360 /* ATC cleanup */
1361
1362 /* Verify TX hw is flushed */
1363 bnx2x_tx_hw_flushed(bp, poll_cnt);
1364
1365 /* Wait 100ms (not adjusted according to platform) */
1366 msleep(100);
1367
1368 /* Verify no pending pci transactions */
1369 if (bnx2x_is_pcie_pending(bp->pdev))
1370 BNX2X_ERR("PCIE Transactions still pending\n");
1371
1372 /* Debug */
1373 bnx2x_hw_enable_status(bp);
1374
1375 /*
1376 * Master enable - Due to WB DMAE writes performed before this
1377 * register is re-initialized as part of the regular function init
1378 */
1379 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1380
1381 return 0;
1382}
1383
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001384static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001385{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001386 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001387 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1388 u32 val = REG_RD(bp, addr);
1389 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001390 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001391
1392 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001393 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1394 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001395 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1396 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001397 } else if (msi) {
1398 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1399 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1400 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1401 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001402 } else {
1403 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001404 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001405 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1406 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001407
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001408 if (!CHIP_IS_E1(bp)) {
1409 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1410 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001411
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001412 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001413
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001414 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1415 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001416 }
1417
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001418 if (CHIP_IS_E1(bp))
1419 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1420
Eilon Greenstein8badd272009-02-12 08:36:15 +00001421 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1422 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001423
1424 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001425 /*
1426 * Ensure that HC_CONFIG is written before leading/trailing edge config
1427 */
1428 mmiowb();
1429 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001430
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001431 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001432 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001433 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001434 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001435 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001436 /* enable nig and gpio3 attention */
1437 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001438 } else
1439 val = 0xffff;
1440
1441 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1442 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1443 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001444
1445 /* Make sure that interrupts are indeed enabled from here on */
1446 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001447}
1448
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001449static void bnx2x_igu_int_enable(struct bnx2x *bp)
1450{
1451 u32 val;
1452 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1453 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1454
1455 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1456
1457 if (msix) {
1458 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1459 IGU_PF_CONF_SINGLE_ISR_EN);
1460 val |= (IGU_PF_CONF_FUNC_EN |
1461 IGU_PF_CONF_MSI_MSIX_EN |
1462 IGU_PF_CONF_ATTN_BIT_EN);
1463 } else if (msi) {
1464 val &= ~IGU_PF_CONF_INT_LINE_EN;
1465 val |= (IGU_PF_CONF_FUNC_EN |
1466 IGU_PF_CONF_MSI_MSIX_EN |
1467 IGU_PF_CONF_ATTN_BIT_EN |
1468 IGU_PF_CONF_SINGLE_ISR_EN);
1469 } else {
1470 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1471 val |= (IGU_PF_CONF_FUNC_EN |
1472 IGU_PF_CONF_INT_LINE_EN |
1473 IGU_PF_CONF_ATTN_BIT_EN |
1474 IGU_PF_CONF_SINGLE_ISR_EN);
1475 }
1476
1477 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1478 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1479
1480 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1481
1482 barrier();
1483
1484 /* init leading/trailing edge */
1485 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001486 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001487 if (bp->port.pmf)
1488 /* enable nig and gpio3 attention */
1489 val |= 0x1100;
1490 } else
1491 val = 0xffff;
1492
1493 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1494 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1495
1496 /* Make sure that interrupts are indeed enabled from here on */
1497 mmiowb();
1498}
1499
1500void bnx2x_int_enable(struct bnx2x *bp)
1501{
1502 if (bp->common.int_block == INT_BLOCK_HC)
1503 bnx2x_hc_int_enable(bp);
1504 else
1505 bnx2x_igu_int_enable(bp);
1506}
1507
1508static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001509{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001510 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001511 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1512 u32 val = REG_RD(bp, addr);
1513
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001514 /*
1515 * in E1 we must use only PCI configuration space to disable
1516 * MSI/MSIX capablility
1517 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1518 */
1519 if (CHIP_IS_E1(bp)) {
1520 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1521 * Use mask register to prevent from HC sending interrupts
1522 * after we exit the function
1523 */
1524 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1525
1526 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1527 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1528 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1529 } else
1530 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1531 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1532 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1533 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001534
1535 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1536 val, port, addr);
1537
Eilon Greenstein8badd272009-02-12 08:36:15 +00001538 /* flush all outstanding writes */
1539 mmiowb();
1540
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001541 REG_WR(bp, addr, val);
1542 if (REG_RD(bp, addr) != val)
1543 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1544}
1545
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001546static void bnx2x_igu_int_disable(struct bnx2x *bp)
1547{
1548 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1549
1550 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1551 IGU_PF_CONF_INT_LINE_EN |
1552 IGU_PF_CONF_ATTN_BIT_EN);
1553
1554 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1555
1556 /* flush all outstanding writes */
1557 mmiowb();
1558
1559 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1560 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1561 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1562}
1563
Ariel Elior6383c0b2011-07-14 08:31:57 +00001564void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001565{
1566 if (bp->common.int_block == INT_BLOCK_HC)
1567 bnx2x_hc_int_disable(bp);
1568 else
1569 bnx2x_igu_int_disable(bp);
1570}
1571
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001572void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001573{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001574 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001575 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001576
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001577 if (disable_hw)
1578 /* prevent the HW from sending interrupts */
1579 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001580
1581 /* make sure all ISRs are done */
1582 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001583 synchronize_irq(bp->msix_table[0].vector);
1584 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001585#ifdef BCM_CNIC
1586 offset++;
1587#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001588 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001589 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001590 } else
1591 synchronize_irq(bp->pdev->irq);
1592
1593 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001594 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001595 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001596 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001597}
1598
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001599/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001600
1601/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001602 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001603 */
1604
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001605/* Return true if succeeded to acquire the lock */
1606static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1607{
1608 u32 lock_status;
1609 u32 resource_bit = (1 << resource);
1610 int func = BP_FUNC(bp);
1611 u32 hw_lock_control_reg;
1612
1613 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1614
1615 /* Validating that the resource is within range */
1616 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1617 DP(NETIF_MSG_HW,
1618 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1619 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001620 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001621 }
1622
1623 if (func <= 5)
1624 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1625 else
1626 hw_lock_control_reg =
1627 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1628
1629 /* Try to acquire the lock */
1630 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1631 lock_status = REG_RD(bp, hw_lock_control_reg);
1632 if (lock_status & resource_bit)
1633 return true;
1634
1635 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1636 return false;
1637}
1638
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001639/**
1640 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1641 *
1642 * @bp: driver handle
1643 *
1644 * Returns the recovery leader resource id according to the engine this function
1645 * belongs to. Currently only only 2 engines is supported.
1646 */
1647static inline int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
1648{
1649 if (BP_PATH(bp))
1650 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1651 else
1652 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1653}
1654
1655/**
1656 * bnx2x_trylock_leader_lock- try to aquire a leader lock.
1657 *
1658 * @bp: driver handle
1659 *
1660 * Tries to aquire a leader lock for cuurent engine.
1661 */
1662static inline bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
1663{
1664 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1665}
1666
Michael Chan993ac7b2009-10-10 13:46:56 +00001667#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001668static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Michael Chan993ac7b2009-10-10 13:46:56 +00001669#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001670
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001671void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001672{
1673 struct bnx2x *bp = fp->bp;
1674 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1675 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001676 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
1677 struct bnx2x_queue_sp_obj *q_obj = &fp->q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001678
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001679 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001680 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001681 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001682 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001683
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001684 switch (command) {
1685 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001686 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001687 drv_cmd = BNX2X_Q_CMD_UPDATE;
1688 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001689
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001690 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001691 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001692 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001693 break;
1694
Ariel Elior6383c0b2011-07-14 08:31:57 +00001695 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
1696 DP(NETIF_MSG_IFUP, "got MULTI[%d] tx-only setup ramrod\n", cid);
1697 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1698 break;
1699
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001700 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001701 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001702 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001703 break;
1704
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001705 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001706 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001707 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1708 break;
1709
1710 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001711 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001712 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001713 break;
1714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001715 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001716 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1717 command, fp->index);
1718 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001719 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001720
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001721 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1722 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1723 /* q_obj->complete_cmd() failure means that this was
1724 * an unexpected completion.
1725 *
1726 * In this case we don't want to increase the bp->spq_left
1727 * because apparently we haven't sent this command the first
1728 * place.
1729 */
1730#ifdef BNX2X_STOP_ON_ERROR
1731 bnx2x_panic();
1732#else
1733 return;
1734#endif
1735
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001736 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001737 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001738 /* push the change in bp->spq_left and towards the memory */
1739 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001740
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001741 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1742
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001743 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001744}
1745
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001746void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1747 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod)
1748{
1749 u32 start = BAR_USTRORM_INTMEM + fp->ustorm_rx_prods_offset;
1750
1751 bnx2x_update_rx_prod_gen(bp, fp, bd_prod, rx_comp_prod, rx_sge_prod,
1752 start);
1753}
1754
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001755irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001756{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001757 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001758 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001759 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001760 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001761 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001762
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001763 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001764 if (unlikely(status == 0)) {
1765 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1766 return IRQ_NONE;
1767 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001768 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001769
Eilon Greenstein3196a882008-08-13 15:58:49 -07001770#ifdef BNX2X_STOP_ON_ERROR
1771 if (unlikely(bp->panic))
1772 return IRQ_HANDLED;
1773#endif
1774
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001775 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001776 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001777
Ariel Elior6383c0b2011-07-14 08:31:57 +00001778 mask = 0x2 << (fp->index + CNIC_PRESENT);
Eilon Greensteinca003922009-08-12 22:53:28 -07001779 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001780 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001781 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001782 for_each_cos_in_tx_queue(fp, cos)
1783 prefetch(fp->txdata[cos].tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001784 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001785 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001786 status &= ~mask;
1787 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001788 }
1789
Michael Chan993ac7b2009-10-10 13:46:56 +00001790#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001791 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001792 if (status & (mask | 0x1)) {
1793 struct cnic_ops *c_ops = NULL;
1794
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001795 if (likely(bp->state == BNX2X_STATE_OPEN)) {
1796 rcu_read_lock();
1797 c_ops = rcu_dereference(bp->cnic_ops);
1798 if (c_ops)
1799 c_ops->cnic_handler(bp->cnic_data, NULL);
1800 rcu_read_unlock();
1801 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001802
1803 status &= ~mask;
1804 }
1805#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001806
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001807 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001808 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001809
1810 status &= ~0x1;
1811 if (!status)
1812 return IRQ_HANDLED;
1813 }
1814
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001815 if (unlikely(status))
1816 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001817 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001818
1819 return IRQ_HANDLED;
1820}
1821
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001822/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001823
1824/*
1825 * General service functions
1826 */
1827
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001828int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001829{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001830 u32 lock_status;
1831 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001832 int func = BP_FUNC(bp);
1833 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001834 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001835
1836 /* Validating that the resource is within range */
1837 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1838 DP(NETIF_MSG_HW,
1839 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1840 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1841 return -EINVAL;
1842 }
1843
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001844 if (func <= 5) {
1845 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1846 } else {
1847 hw_lock_control_reg =
1848 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1849 }
1850
Eliezer Tamirf1410642008-02-28 11:51:50 -08001851 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001852 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001853 if (lock_status & resource_bit) {
1854 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1855 lock_status, resource_bit);
1856 return -EEXIST;
1857 }
1858
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001859 /* Try for 5 second every 5ms */
1860 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001861 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001862 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1863 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001864 if (lock_status & resource_bit)
1865 return 0;
1866
1867 msleep(5);
1868 }
1869 DP(NETIF_MSG_HW, "Timeout\n");
1870 return -EAGAIN;
1871}
1872
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001873int bnx2x_release_leader_lock(struct bnx2x *bp)
1874{
1875 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1876}
1877
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001878int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001879{
1880 u32 lock_status;
1881 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001882 int func = BP_FUNC(bp);
1883 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001884
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001885 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1886
Eliezer Tamirf1410642008-02-28 11:51:50 -08001887 /* Validating that the resource is within range */
1888 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1889 DP(NETIF_MSG_HW,
1890 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1891 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1892 return -EINVAL;
1893 }
1894
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001895 if (func <= 5) {
1896 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1897 } else {
1898 hw_lock_control_reg =
1899 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1900 }
1901
Eliezer Tamirf1410642008-02-28 11:51:50 -08001902 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001903 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001904 if (!(lock_status & resource_bit)) {
1905 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1906 lock_status, resource_bit);
1907 return -EFAULT;
1908 }
1909
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001910 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001911 return 0;
1912}
1913
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001914
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001915int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1916{
1917 /* The GPIO should be swapped if swap register is set and active */
1918 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1919 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1920 int gpio_shift = gpio_num +
1921 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1922 u32 gpio_mask = (1 << gpio_shift);
1923 u32 gpio_reg;
1924 int value;
1925
1926 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1927 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1928 return -EINVAL;
1929 }
1930
1931 /* read GPIO value */
1932 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1933
1934 /* get the requested pin value */
1935 if ((gpio_reg & gpio_mask) == gpio_mask)
1936 value = 1;
1937 else
1938 value = 0;
1939
1940 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1941
1942 return value;
1943}
1944
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001945int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001946{
1947 /* The GPIO should be swapped if swap register is set and active */
1948 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001949 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001950 int gpio_shift = gpio_num +
1951 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1952 u32 gpio_mask = (1 << gpio_shift);
1953 u32 gpio_reg;
1954
1955 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1956 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1957 return -EINVAL;
1958 }
1959
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001960 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001961 /* read GPIO and mask except the float bits */
1962 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1963
1964 switch (mode) {
1965 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1966 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1967 gpio_num, gpio_shift);
1968 /* clear FLOAT and set CLR */
1969 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1970 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1971 break;
1972
1973 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1974 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1975 gpio_num, gpio_shift);
1976 /* clear FLOAT and set SET */
1977 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1978 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1979 break;
1980
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001981 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001982 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1983 gpio_num, gpio_shift);
1984 /* set FLOAT */
1985 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1986 break;
1987
1988 default:
1989 break;
1990 }
1991
1992 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001993 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001994
1995 return 0;
1996}
1997
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00001998int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
1999{
2000 u32 gpio_reg = 0;
2001 int rc = 0;
2002
2003 /* Any port swapping should be handled by caller. */
2004
2005 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2006 /* read GPIO and mask except the float bits */
2007 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
2008 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2009 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
2010 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
2011
2012 switch (mode) {
2013 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
2014 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
2015 /* set CLR */
2016 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
2017 break;
2018
2019 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
2020 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
2021 /* set SET */
2022 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
2023 break;
2024
2025 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
2026 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
2027 /* set FLOAT */
2028 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2029 break;
2030
2031 default:
2032 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
2033 rc = -EINVAL;
2034 break;
2035 }
2036
2037 if (rc == 0)
2038 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
2039
2040 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2041
2042 return rc;
2043}
2044
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002045int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
2046{
2047 /* The GPIO should be swapped if swap register is set and active */
2048 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2049 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2050 int gpio_shift = gpio_num +
2051 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2052 u32 gpio_mask = (1 << gpio_shift);
2053 u32 gpio_reg;
2054
2055 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2056 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2057 return -EINVAL;
2058 }
2059
2060 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2061 /* read GPIO int */
2062 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2063
2064 switch (mode) {
2065 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
2066 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
2067 "output low\n", gpio_num, gpio_shift);
2068 /* clear SET and set CLR */
2069 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2070 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2071 break;
2072
2073 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
2074 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
2075 "output high\n", gpio_num, gpio_shift);
2076 /* clear CLR and set SET */
2077 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2078 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2079 break;
2080
2081 default:
2082 break;
2083 }
2084
2085 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2086 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2087
2088 return 0;
2089}
2090
Eliezer Tamirf1410642008-02-28 11:51:50 -08002091static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
2092{
2093 u32 spio_mask = (1 << spio_num);
2094 u32 spio_reg;
2095
2096 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
2097 (spio_num > MISC_REGISTERS_SPIO_7)) {
2098 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
2099 return -EINVAL;
2100 }
2101
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002102 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002103 /* read SPIO and mask except the float bits */
2104 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
2105
2106 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07002107 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08002108 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
2109 /* clear FLOAT and set CLR */
2110 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2111 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
2112 break;
2113
Eilon Greenstein6378c022008-08-13 15:59:25 -07002114 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08002115 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
2116 /* clear FLOAT and set SET */
2117 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2118 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
2119 break;
2120
2121 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
2122 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
2123 /* set FLOAT */
2124 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2125 break;
2126
2127 default:
2128 break;
2129 }
2130
2131 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002132 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002133
2134 return 0;
2135}
2136
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002137void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002138{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002139 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002140 switch (bp->link_vars.ieee_fc &
2141 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002142 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002143 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002144 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002145 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002146
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002147 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002148 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002149 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002150 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002151
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002152 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002153 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002154 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002155
Eliezer Tamirf1410642008-02-28 11:51:50 -08002156 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002157 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002158 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002159 break;
2160 }
2161}
2162
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002163u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002164{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002165 if (!BP_NOMCP(bp)) {
2166 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002167 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
2168 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002169 /*
2170 * Initialize link parameters structure variables
2171 * It is recommended to turn off RX FC for jumbo frames
2172 * for better performance
2173 */
2174 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08002175 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002176 else
David S. Millerc0700f92008-12-16 23:53:20 -08002177 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002178
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002179 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002180
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002181 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002182 struct link_params *lp = &bp->link_params;
2183 lp->loopback_mode = LOOPBACK_XGXS;
2184 /* do PHY loopback at 10G speed, if possible */
2185 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2186 if (lp->speed_cap_mask[cfx_idx] &
2187 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2188 lp->req_line_speed[cfx_idx] =
2189 SPEED_10000;
2190 else
2191 lp->req_line_speed[cfx_idx] =
2192 SPEED_1000;
2193 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002194 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002195
Eilon Greenstein19680c42008-08-13 15:47:33 -07002196 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002197
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002198 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002199
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002200 bnx2x_calc_fc_adv(bp);
2201
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002202 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
2203 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002204 bnx2x_link_report(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002205 } else
2206 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002207 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002208 return rc;
2209 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002210 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002211 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002212}
2213
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002214void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002215{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002216 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002217 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00002218 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002219 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002220 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002221
Eilon Greenstein19680c42008-08-13 15:47:33 -07002222 bnx2x_calc_fc_adv(bp);
2223 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002224 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002225}
2226
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002227static void bnx2x__link_reset(struct bnx2x *bp)
2228{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002229 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002230 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002231 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002232 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002233 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002234 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002235}
2236
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002237u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002238{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002239 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002240
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002241 if (!BP_NOMCP(bp)) {
2242 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002243 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2244 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002245 bnx2x_release_phy_lock(bp);
2246 } else
2247 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002248
2249 return rc;
2250}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002251
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002252static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002253{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002254 u32 r_param = bp->link_vars.line_speed / 8;
2255 u32 fair_periodic_timeout_usec;
2256 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002257
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002258 memset(&(bp->cmng.rs_vars), 0,
2259 sizeof(struct rate_shaping_vars_per_port));
2260 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002261
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002262 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2263 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002264
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002265 /* this is the threshold below which no timer arming will occur
2266 1.25 coefficient is for the threshold to be a little bigger
2267 than the real time, to compensate for timer in-accuracy */
2268 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002269 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2270
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002271 /* resolution of fairness timer */
2272 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2273 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2274 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002275
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002276 /* this is the threshold below which we won't arm the timer anymore */
2277 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002278
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002279 /* we multiply by 1e3/8 to get bytes/msec.
2280 We don't want the credits to pass a credit
2281 of the t_fair*FAIR_MEM (algorithm resolution) */
2282 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
2283 /* since each tick is 4 usec */
2284 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002285}
2286
Eilon Greenstein2691d512009-08-12 08:22:08 +00002287/* Calculates the sum of vn_min_rates.
2288 It's needed for further normalizing of the min_rates.
2289 Returns:
2290 sum of vn_min_rates.
2291 or
2292 0 - if all the min_rates are 0.
2293 In the later case fainess algorithm should be deactivated.
2294 If not all min_rates are zero then those that are zeroes will be set to 1.
2295 */
2296static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
2297{
2298 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002299 int vn;
2300
2301 bp->vn_weight_sum = 0;
David S. Miller8decf862011-09-22 03:23:13 -04002302 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002303 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002304 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2305 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2306
2307 /* Skip hidden vns */
2308 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
2309 continue;
2310
2311 /* If min rate is zero - set it to 1 */
2312 if (!vn_min_rate)
2313 vn_min_rate = DEF_MIN_RATE;
2314 else
2315 all_zero = 0;
2316
2317 bp->vn_weight_sum += vn_min_rate;
2318 }
2319
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002320 /* if ETS or all min rates are zeros - disable fairness */
2321 if (BNX2X_IS_ETS_ENABLED(bp)) {
2322 bp->cmng.flags.cmng_enables &=
2323 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2324 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2325 } else if (all_zero) {
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002326 bp->cmng.flags.cmng_enables &=
2327 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2328 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2329 " fairness will be disabled\n");
2330 } else
2331 bp->cmng.flags.cmng_enables |=
2332 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002333}
2334
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002335static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002336{
2337 struct rate_shaping_vars_per_vn m_rs_vn;
2338 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002339 u32 vn_cfg = bp->mf_config[vn];
David S. Miller8decf862011-09-22 03:23:13 -04002340 int func = func_by_vn(bp, vn);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002341 u16 vn_min_rate, vn_max_rate;
2342 int i;
2343
2344 /* If function is hidden - set min and max to zeroes */
2345 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2346 vn_min_rate = 0;
2347 vn_max_rate = 0;
2348
2349 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002350 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2351
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002352 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2353 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002354 /* If fairness is enabled (not all min rates are zeroes) and
2355 if current min rate is zero - set it to 1.
2356 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002357 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002358 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002359
2360 if (IS_MF_SI(bp))
2361 /* maxCfg in percents of linkspeed */
2362 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
2363 else
2364 /* maxCfg is absolute in 100Mb units */
2365 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002366 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002367
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002368 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002369 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002370 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002371
2372 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2373 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2374
2375 /* global vn counter - maximal Mbps for this vn */
2376 m_rs_vn.vn_counter.rate = vn_max_rate;
2377
2378 /* quota - number of bytes transmitted in this period */
2379 m_rs_vn.vn_counter.quota =
2380 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2381
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002382 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002383 /* credit for each period of the fairness algorithm:
2384 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002385 vn_weight_sum should not be larger than 10000, thus
2386 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2387 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002388 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002389 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2390 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00002391 (bp->cmng.fair_vars.fair_threshold +
2392 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002393 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002394 m_fair_vn.vn_credit_delta);
2395 }
2396
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002397 /* Store it to internal memory */
2398 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2399 REG_WR(bp, BAR_XSTRORM_INTMEM +
2400 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2401 ((u32 *)(&m_rs_vn))[i]);
2402
2403 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2404 REG_WR(bp, BAR_XSTRORM_INTMEM +
2405 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2406 ((u32 *)(&m_fair_vn))[i]);
2407}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002408
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002409static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2410{
2411 if (CHIP_REV_IS_SLOW(bp))
2412 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002413 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002414 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002415
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002416 return CMNG_FNS_NONE;
2417}
2418
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002419void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002420{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002421 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002422
2423 if (BP_NOMCP(bp))
2424 return; /* what should be the default bvalue in this case */
2425
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002426 /* For 2 port configuration the absolute function number formula
2427 * is:
2428 * abs_func = 2 * vn + BP_PORT + BP_PATH
2429 *
2430 * and there are 4 functions per port
2431 *
2432 * For 4 port configuration it is
2433 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2434 *
2435 * and there are 2 functions per port
2436 */
David S. Miller8decf862011-09-22 03:23:13 -04002437 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002438 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2439
2440 if (func >= E1H_FUNC_MAX)
2441 break;
2442
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002443 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002444 MF_CFG_RD(bp, func_mf_config[func].config);
2445 }
2446}
2447
2448static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2449{
2450
2451 if (cmng_type == CMNG_FNS_MINMAX) {
2452 int vn;
2453
2454 /* clear cmng_enables */
2455 bp->cmng.flags.cmng_enables = 0;
2456
2457 /* read mf conf from shmem */
2458 if (read_cfg)
2459 bnx2x_read_mf_cfg(bp);
2460
2461 /* Init rate shaping and fairness contexts */
2462 bnx2x_init_port_minmax(bp);
2463
2464 /* vn_weight_sum and enable fairness if not 0 */
2465 bnx2x_calc_vn_weight_sum(bp);
2466
2467 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002468 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002469 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002470 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002471
2472 /* always enable rate shaping and fairness */
2473 bp->cmng.flags.cmng_enables |=
2474 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2475 if (!bp->vn_weight_sum)
2476 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2477 " fairness will be disabled\n");
2478 return;
2479 }
2480
2481 /* rate shaping and fairness are disabled */
2482 DP(NETIF_MSG_IFUP,
2483 "rate shaping and fairness are disabled\n");
2484}
2485
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002486/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002487static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002488{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002489 /* Make sure that we are synced with the current statistics */
2490 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2491
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002492 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002493
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002494 if (bp->link_vars.link_up) {
2495
Eilon Greenstein1c063282009-02-12 08:36:43 +00002496 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002497 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002498 int port = BP_PORT(bp);
2499 u32 pause_enabled = 0;
2500
2501 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2502 pause_enabled = 1;
2503
2504 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002505 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002506 pause_enabled);
2507 }
2508
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002509 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002510 struct host_port_stats *pstats;
2511
2512 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002513 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002514 memset(&(pstats->mac_stx[0]), 0,
2515 sizeof(struct mac_stx));
2516 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002517 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002518 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2519 }
2520
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002521 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2522 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002523
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002524 if (cmng_fns != CMNG_FNS_NONE) {
2525 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2526 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2527 } else
2528 /* rate shaping and fairness are disabled */
2529 DP(NETIF_MSG_IFUP,
2530 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002531 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002532
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002533 __bnx2x_link_report(bp);
2534
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002535 if (IS_MF(bp))
2536 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002537}
2538
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002539void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002540{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002541 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002542 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002543
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002544 /* read updated dcb configuration */
2545 bnx2x_dcbx_pmf_update(bp);
2546
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002547 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2548
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002549 if (bp->link_vars.link_up)
2550 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2551 else
2552 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2553
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002554 /* indicate link status */
2555 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002556}
2557
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002558static void bnx2x_pmf_update(struct bnx2x *bp)
2559{
2560 int port = BP_PORT(bp);
2561 u32 val;
2562
2563 bp->port.pmf = 1;
2564 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2565
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002566 /*
2567 * We need the mb() to ensure the ordering between the writing to
2568 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2569 */
2570 smp_mb();
2571
2572 /* queue a periodic task */
2573 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2574
Dmitry Kravkovef018542011-06-14 01:33:57 +00002575 bnx2x_dcbx_pmf_update(bp);
2576
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002577 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002578 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002579 if (bp->common.int_block == INT_BLOCK_HC) {
2580 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2581 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002582 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002583 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2584 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2585 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002586
2587 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002588}
2589
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002590/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002591
2592/* slow path */
2593
2594/*
2595 * General service functions
2596 */
2597
Eilon Greenstein2691d512009-08-12 08:22:08 +00002598/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002599u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002600{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002601 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002602 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002603 u32 rc = 0;
2604 u32 cnt = 1;
2605 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2606
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002607 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002608 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002609 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2610 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2611
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002612 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2613 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002614
2615 do {
2616 /* let the FW do it's magic ... */
2617 msleep(delay);
2618
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002619 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002620
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002621 /* Give the FW up to 5 second (500*10ms) */
2622 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002623
2624 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2625 cnt*delay, rc, seq);
2626
2627 /* is this a reply to our command? */
2628 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2629 rc &= FW_MSG_CODE_MASK;
2630 else {
2631 /* FW BUG! */
2632 BNX2X_ERR("FW failed to respond!\n");
2633 bnx2x_fw_dump(bp);
2634 rc = 0;
2635 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002636 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002637
2638 return rc;
2639}
2640
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002641
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002642void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002643{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002644 if (CHIP_IS_E1x(bp)) {
2645 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002646
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002647 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2648 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002649
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002650 /* Enable the function in the FW */
2651 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2652 storm_memset_func_en(bp, p->func_id, 1);
2653
2654 /* spq */
2655 if (p->func_flgs & FUNC_FLG_SPQ) {
2656 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2657 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2658 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2659 }
2660}
2661
Ariel Elior6383c0b2011-07-14 08:31:57 +00002662/**
2663 * bnx2x_get_tx_only_flags - Return common flags
2664 *
2665 * @bp device handle
2666 * @fp queue handle
2667 * @zero_stats TRUE if statistics zeroing is needed
2668 *
2669 * Return the flags that are common for the Tx-only and not normal connections.
2670 */
2671static inline unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2672 struct bnx2x_fastpath *fp,
2673 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002674{
2675 unsigned long flags = 0;
2676
2677 /* PF driver will always initialize the Queue to an ACTIVE state */
2678 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2679
Ariel Elior6383c0b2011-07-14 08:31:57 +00002680 /* tx only connections collect statistics (on the same index as the
2681 * parent connection). The statistics are zeroed when the parent
2682 * connection is initialized.
2683 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002684
2685 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2686 if (zero_stats)
2687 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2688
Ariel Elior6383c0b2011-07-14 08:31:57 +00002689
2690 return flags;
2691}
2692
2693static inline unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2694 struct bnx2x_fastpath *fp,
2695 bool leading)
2696{
2697 unsigned long flags = 0;
2698
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002699 /* calculate other queue flags */
2700 if (IS_MF_SD(bp))
2701 __set_bit(BNX2X_Q_FLG_OV, &flags);
2702
2703 if (IS_FCOE_FP(fp))
2704 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002705
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002706 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002707 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002708 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
2709 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002710
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002711 if (leading) {
2712 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2713 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2714 }
2715
2716 /* Always set HW VLAN stripping */
2717 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002718
Ariel Elior6383c0b2011-07-14 08:31:57 +00002719
2720 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002721}
2722
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002723static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002724 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2725 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002726{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002727 gen_init->stat_id = bnx2x_stats_id(fp);
2728 gen_init->spcl_id = fp->cl_id;
2729
2730 /* Always use mini-jumbo MTU for FCoE L2 ring */
2731 if (IS_FCOE_FP(fp))
2732 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2733 else
2734 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002735
2736 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002737}
2738
2739static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2740 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2741 struct bnx2x_rxq_setup_params *rxq_init)
2742{
2743 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002744 u16 sge_sz = 0;
2745 u16 tpa_agg_size = 0;
2746
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002747 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002748 pause->sge_th_lo = SGE_TH_LO(bp);
2749 pause->sge_th_hi = SGE_TH_HI(bp);
2750
2751 /* validate SGE ring has enough to cross high threshold */
2752 WARN_ON(bp->dropless_fc &&
2753 pause->sge_th_hi + FW_PREFETCH_CNT >
2754 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2755
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002756 tpa_agg_size = min_t(u32,
2757 (min_t(u32, 8, MAX_SKB_FRAGS) *
2758 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2759 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2760 SGE_PAGE_SHIFT;
2761 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2762 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2763 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2764 0xffff);
2765 }
2766
2767 /* pause - not for e1 */
2768 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002769 pause->bd_th_lo = BD_TH_LO(bp);
2770 pause->bd_th_hi = BD_TH_HI(bp);
2771
2772 pause->rcq_th_lo = RCQ_TH_LO(bp);
2773 pause->rcq_th_hi = RCQ_TH_HI(bp);
2774 /*
2775 * validate that rings have enough entries to cross
2776 * high thresholds
2777 */
2778 WARN_ON(bp->dropless_fc &&
2779 pause->bd_th_hi + FW_PREFETCH_CNT >
2780 bp->rx_ring_size);
2781 WARN_ON(bp->dropless_fc &&
2782 pause->rcq_th_hi + FW_PREFETCH_CNT >
2783 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002784
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002785 pause->pri_map = 1;
2786 }
2787
2788 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002789 rxq_init->dscr_map = fp->rx_desc_mapping;
2790 rxq_init->sge_map = fp->rx_sge_mapping;
2791 rxq_init->rcq_map = fp->rx_comp_mapping;
2792 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002793
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002794 /* This should be a maximum number of data bytes that may be
2795 * placed on the BD (not including paddings).
2796 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002797 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2798 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002799
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002800 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002801 rxq_init->tpa_agg_sz = tpa_agg_size;
2802 rxq_init->sge_buf_sz = sge_sz;
2803 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002804 rxq_init->rss_engine_id = BP_FUNC(bp);
2805
2806 /* Maximum number or simultaneous TPA aggregation for this Queue.
2807 *
2808 * For PF Clients it should be the maximum avaliable number.
2809 * VF driver(s) may want to define it to a smaller value.
2810 */
David S. Miller8decf862011-09-22 03:23:13 -04002811 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002812
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002813 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2814 rxq_init->fw_sb_id = fp->fw_sb_id;
2815
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002816 if (IS_FCOE_FP(fp))
2817 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2818 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002819 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002820}
2821
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002822static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002823 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2824 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002825{
Ariel Elior6383c0b2011-07-14 08:31:57 +00002826 txq_init->dscr_map = fp->txdata[cos].tx_desc_mapping;
2827 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002828 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2829 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002830
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002831 /*
2832 * set the tss leading client id for TX classfication ==
2833 * leading RSS client id
2834 */
2835 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2836
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002837 if (IS_FCOE_FP(fp)) {
2838 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2839 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2840 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002841}
2842
stephen hemminger8d962862010-10-21 07:50:56 +00002843static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002844{
2845 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002846 struct event_ring_data eq_data = { {0} };
2847 u16 flags;
2848
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002849 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002850 /* reset IGU PF statistics: MSIX + ATTN */
2851 /* PF */
2852 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2853 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2854 (CHIP_MODE_IS_4_PORT(bp) ?
2855 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2856 /* ATTN */
2857 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2858 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2859 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2860 (CHIP_MODE_IS_4_PORT(bp) ?
2861 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2862 }
2863
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002864 /* function setup flags */
2865 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2866
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002867 /* This flag is relevant for E1x only.
2868 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002869 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002870 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002871
2872 func_init.func_flgs = flags;
2873 func_init.pf_id = BP_FUNC(bp);
2874 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002875 func_init.spq_map = bp->spq_mapping;
2876 func_init.spq_prod = bp->spq_prod_idx;
2877
2878 bnx2x_func_init(bp, &func_init);
2879
2880 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2881
2882 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002883 * Congestion management values depend on the link rate
2884 * There is no active link so initial link rate is set to 10 Gbps.
2885 * When the link comes up The congestion management values are
2886 * re-calculated according to the actual link rate.
2887 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002888 bp->link_vars.line_speed = SPEED_10000;
2889 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2890
2891 /* Only the PMF sets the HW */
2892 if (bp->port.pmf)
2893 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2894
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002895 /* init Event Queue */
2896 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2897 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2898 eq_data.producer = bp->eq_prod;
2899 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2900 eq_data.sb_id = DEF_SB_ID;
2901 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2902}
2903
2904
Eilon Greenstein2691d512009-08-12 08:22:08 +00002905static void bnx2x_e1h_disable(struct bnx2x *bp)
2906{
2907 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002908
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002909 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002910
2911 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002912}
2913
2914static void bnx2x_e1h_enable(struct bnx2x *bp)
2915{
2916 int port = BP_PORT(bp);
2917
2918 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2919
Eilon Greenstein2691d512009-08-12 08:22:08 +00002920 /* Tx queue should be only reenabled */
2921 netif_tx_wake_all_queues(bp->dev);
2922
Eilon Greenstein061bc702009-10-15 00:18:47 -07002923 /*
2924 * Should not call netif_carrier_on since it will be called if the link
2925 * is up when checking for link state
2926 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002927}
2928
Barak Witkowski1d187b32011-12-05 22:41:50 +00002929#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
2930
2931static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
2932{
2933 struct eth_stats_info *ether_stat =
2934 &bp->slowpath->drv_info_to_mcp.ether_stat;
2935
2936 /* leave last char as NULL */
2937 memcpy(ether_stat->version, DRV_MODULE_VERSION,
2938 ETH_STAT_INFO_VERSION_LEN - 1);
2939
2940 bp->fp[0].mac_obj.get_n_elements(bp, &bp->fp[0].mac_obj,
2941 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
2942 ether_stat->mac_local);
2943
2944 ether_stat->mtu_size = bp->dev->mtu;
2945
2946 if (bp->dev->features & NETIF_F_RXCSUM)
2947 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
2948 if (bp->dev->features & NETIF_F_TSO)
2949 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
2950 ether_stat->feature_flags |= bp->common.boot_mode;
2951
2952 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
2953
2954 ether_stat->txq_size = bp->tx_ring_size;
2955 ether_stat->rxq_size = bp->rx_ring_size;
2956}
2957
2958static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
2959{
Michael Chanf2fd5c32011-12-06 10:58:08 +00002960#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00002961 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
2962 struct fcoe_stats_info *fcoe_stat =
2963 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
2964
2965 memcpy(fcoe_stat->mac_local, bp->fip_mac, ETH_ALEN);
2966
2967 fcoe_stat->qos_priority =
2968 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
2969
2970 /* insert FCoE stats from ramrod response */
2971 if (!NO_FCOE(bp)) {
2972 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
2973 &bp->fw_stats_data->queue_stats[FCOE_IDX].
2974 tstorm_queue_statistics;
2975
2976 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
2977 &bp->fw_stats_data->queue_stats[FCOE_IDX].
2978 xstorm_queue_statistics;
2979
2980 struct fcoe_statistics_params *fw_fcoe_stat =
2981 &bp->fw_stats_data->fcoe;
2982
2983 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
2984 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
2985
2986 ADD_64(fcoe_stat->rx_bytes_hi,
2987 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
2988 fcoe_stat->rx_bytes_lo,
2989 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
2990
2991 ADD_64(fcoe_stat->rx_bytes_hi,
2992 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
2993 fcoe_stat->rx_bytes_lo,
2994 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
2995
2996 ADD_64(fcoe_stat->rx_bytes_hi,
2997 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
2998 fcoe_stat->rx_bytes_lo,
2999 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
3000
3001 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3002 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3003
3004 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3005 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3006
3007 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3008 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3009
3010 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003011 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003012
3013 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3014 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3015
3016 ADD_64(fcoe_stat->tx_bytes_hi,
3017 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3018 fcoe_stat->tx_bytes_lo,
3019 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3020
3021 ADD_64(fcoe_stat->tx_bytes_hi,
3022 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3023 fcoe_stat->tx_bytes_lo,
3024 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3025
3026 ADD_64(fcoe_stat->tx_bytes_hi,
3027 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3028 fcoe_stat->tx_bytes_lo,
3029 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3030
3031 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3032 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3033
3034 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3035 fcoe_q_xstorm_stats->ucast_pkts_sent);
3036
3037 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3038 fcoe_q_xstorm_stats->bcast_pkts_sent);
3039
3040 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3041 fcoe_q_xstorm_stats->mcast_pkts_sent);
3042 }
3043
Barak Witkowski1d187b32011-12-05 22:41:50 +00003044 /* ask L5 driver to add data to the struct */
3045 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
3046#endif
3047}
3048
3049static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3050{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003051#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003052 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3053 struct iscsi_stats_info *iscsi_stat =
3054 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3055
3056 memcpy(iscsi_stat->mac_local, bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
3057
3058 iscsi_stat->qos_priority =
3059 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3060
Barak Witkowski1d187b32011-12-05 22:41:50 +00003061 /* ask L5 driver to add data to the struct */
3062 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
3063#endif
3064}
3065
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003066/* called due to MCP event (on pmf):
3067 * reread new bandwidth configuration
3068 * configure FW
3069 * notify others function about the change
3070 */
3071static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
3072{
3073 if (bp->link_vars.link_up) {
3074 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3075 bnx2x_link_sync_notify(bp);
3076 }
3077 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3078}
3079
3080static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
3081{
3082 bnx2x_config_mf_bw(bp);
3083 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3084}
3085
Barak Witkowski1d187b32011-12-05 22:41:50 +00003086static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3087{
3088 enum drv_info_opcode op_code;
3089 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3090
3091 /* if drv_info version supported by MFW doesn't match - send NACK */
3092 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3093 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3094 return;
3095 }
3096
3097 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3098 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3099
3100 memset(&bp->slowpath->drv_info_to_mcp, 0,
3101 sizeof(union drv_info_to_mcp));
3102
3103 switch (op_code) {
3104 case ETH_STATS_OPCODE:
3105 bnx2x_drv_info_ether_stat(bp);
3106 break;
3107 case FCOE_STATS_OPCODE:
3108 bnx2x_drv_info_fcoe_stat(bp);
3109 break;
3110 case ISCSI_STATS_OPCODE:
3111 bnx2x_drv_info_iscsi_stat(bp);
3112 break;
3113 default:
3114 /* if op code isn't supported - send NACK */
3115 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3116 return;
3117 }
3118
3119 /* if we got drv_info attn from MFW then these fields are defined in
3120 * shmem2 for sure
3121 */
3122 SHMEM2_WR(bp, drv_info_host_addr_lo,
3123 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3124 SHMEM2_WR(bp, drv_info_host_addr_hi,
3125 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3126
3127 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3128}
3129
Eilon Greenstein2691d512009-08-12 08:22:08 +00003130static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3131{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003132 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003133
3134 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3135
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003136 /*
3137 * This is the only place besides the function initialization
3138 * where the bp->flags can change so it is done without any
3139 * locks
3140 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003141 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00003142 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003143 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003144
3145 bnx2x_e1h_disable(bp);
3146 } else {
3147 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003148 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003149
3150 bnx2x_e1h_enable(bp);
3151 }
3152 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3153 }
3154 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003155 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003156 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3157 }
3158
3159 /* Report results to MCP */
3160 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003161 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003162 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003163 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003164}
3165
Michael Chan28912902009-10-10 13:46:53 +00003166/* must be called under the spq lock */
3167static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
3168{
3169 struct eth_spe *next_spe = bp->spq_prod_bd;
3170
3171 if (bp->spq_prod_bd == bp->spq_last_bd) {
3172 bp->spq_prod_bd = bp->spq;
3173 bp->spq_prod_idx = 0;
3174 DP(NETIF_MSG_TIMER, "end of spq\n");
3175 } else {
3176 bp->spq_prod_bd++;
3177 bp->spq_prod_idx++;
3178 }
3179 return next_spe;
3180}
3181
3182/* must be called under the spq lock */
3183static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
3184{
3185 int func = BP_FUNC(bp);
3186
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003187 /*
3188 * Make sure that BD data is updated before writing the producer:
3189 * BD data is written to the memory, the producer is read from the
3190 * memory, thus we need a full memory barrier to ensure the ordering.
3191 */
3192 mb();
Michael Chan28912902009-10-10 13:46:53 +00003193
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003194 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003195 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00003196 mmiowb();
3197}
3198
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003199/**
3200 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3201 *
3202 * @cmd: command to check
3203 * @cmd_type: command type
3204 */
3205static inline bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
3206{
3207 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003208 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003209 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3210 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3211 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3212 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3213 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3214 return true;
3215 else
3216 return false;
3217
3218}
3219
3220
3221/**
3222 * bnx2x_sp_post - place a single command on an SP ring
3223 *
3224 * @bp: driver handle
3225 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3226 * @cid: SW CID the command is related to
3227 * @data_hi: command private data address (high 32 bits)
3228 * @data_lo: command private data address (low 32 bits)
3229 * @cmd_type: command type (e.g. NONE, ETH)
3230 *
3231 * SP data is handled as if it's always an address pair, thus data fields are
3232 * not swapped to little endian in upper functions. Instead this function swaps
3233 * data as if it's two u32 fields.
3234 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003235int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003236 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003237{
Michael Chan28912902009-10-10 13:46:53 +00003238 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003239 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003240 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003241
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003242#ifdef BNX2X_STOP_ON_ERROR
3243 if (unlikely(bp->panic))
3244 return -EIO;
3245#endif
3246
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003247 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003248
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003249 if (common) {
3250 if (!atomic_read(&bp->eq_spq_left)) {
3251 BNX2X_ERR("BUG! EQ ring full!\n");
3252 spin_unlock_bh(&bp->spq_lock);
3253 bnx2x_panic();
3254 return -EBUSY;
3255 }
3256 } else if (!atomic_read(&bp->cq_spq_left)) {
3257 BNX2X_ERR("BUG! SPQ ring full!\n");
3258 spin_unlock_bh(&bp->spq_lock);
3259 bnx2x_panic();
3260 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003261 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003262
Michael Chan28912902009-10-10 13:46:53 +00003263 spe = bnx2x_sp_get_next(bp);
3264
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003265 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00003266 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003267 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3268 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003269
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003270 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003271
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003272 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3273 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003274
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003275 spe->hdr.type = cpu_to_le16(type);
3276
3277 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3278 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3279
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003280 /*
3281 * It's ok if the actual decrement is issued towards the memory
3282 * somewhere between the spin_lock and spin_unlock. Thus no
3283 * more explict memory barrier is needed.
3284 */
3285 if (common)
3286 atomic_dec(&bp->eq_spq_left);
3287 else
3288 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003289
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003290
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003291 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003292 "SPQE[%x] (%x:%x) (cmd, common?) (%d,%d) hw_cid %x data (%x:%x) "
3293 "type(0x%x) left (CQ, EQ) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003294 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3295 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003296 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003297 HW_CID(bp, cid), data_hi, data_lo, type,
3298 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003299
Michael Chan28912902009-10-10 13:46:53 +00003300 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003301 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003302 return 0;
3303}
3304
3305/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003306static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003307{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003308 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003309 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003310
3311 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003312 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003313 val = (1UL << 31);
3314 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3315 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3316 if (val & (1L << 31))
3317 break;
3318
3319 msleep(5);
3320 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003321 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003322 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003323 rc = -EBUSY;
3324 }
3325
3326 return rc;
3327}
3328
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003329/* release split MCP access lock register */
3330static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003331{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003332 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003333}
3334
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003335#define BNX2X_DEF_SB_ATT_IDX 0x0001
3336#define BNX2X_DEF_SB_IDX 0x0002
3337
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003338static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
3339{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003340 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003341 u16 rc = 0;
3342
3343 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003344 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3345 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003346 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003347 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003348
3349 if (bp->def_idx != def_sb->sp_sb.running_index) {
3350 bp->def_idx = def_sb->sp_sb.running_index;
3351 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003352 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003353
3354 /* Do not reorder: indecies reading should complete before handling */
3355 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003356 return rc;
3357}
3358
3359/*
3360 * slow path service functions
3361 */
3362
3363static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3364{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003365 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003366 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3367 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003368 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3369 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003370 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003371 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003372 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003373
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003374 if (bp->attn_state & asserted)
3375 BNX2X_ERR("IGU ERROR\n");
3376
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003377 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3378 aeu_mask = REG_RD(bp, aeu_addr);
3379
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003380 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003381 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003382 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003383 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003384
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003385 REG_WR(bp, aeu_addr, aeu_mask);
3386 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003387
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003388 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003389 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003390 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003391
3392 if (asserted & ATTN_HARD_WIRED_MASK) {
3393 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003394
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003395 bnx2x_acquire_phy_lock(bp);
3396
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003397 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003398 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003399
Yaniv Rosner361c3912011-06-14 01:33:19 +00003400 /* If nig_mask is not set, no need to call the update
3401 * function.
3402 */
3403 if (nig_mask) {
3404 REG_WR(bp, nig_int_mask_addr, 0);
3405
3406 bnx2x_link_attn(bp);
3407 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003408
3409 /* handle unicore attn? */
3410 }
3411 if (asserted & ATTN_SW_TIMER_4_FUNC)
3412 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3413
3414 if (asserted & GPIO_2_FUNC)
3415 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3416
3417 if (asserted & GPIO_3_FUNC)
3418 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3419
3420 if (asserted & GPIO_4_FUNC)
3421 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3422
3423 if (port == 0) {
3424 if (asserted & ATTN_GENERAL_ATTN_1) {
3425 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3426 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3427 }
3428 if (asserted & ATTN_GENERAL_ATTN_2) {
3429 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3430 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3431 }
3432 if (asserted & ATTN_GENERAL_ATTN_3) {
3433 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3434 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3435 }
3436 } else {
3437 if (asserted & ATTN_GENERAL_ATTN_4) {
3438 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3439 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3440 }
3441 if (asserted & ATTN_GENERAL_ATTN_5) {
3442 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3443 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3444 }
3445 if (asserted & ATTN_GENERAL_ATTN_6) {
3446 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3447 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3448 }
3449 }
3450
3451 } /* if hardwired */
3452
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003453 if (bp->common.int_block == INT_BLOCK_HC)
3454 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3455 COMMAND_REG_ATTN_BITS_SET);
3456 else
3457 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3458
3459 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3460 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3461 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003462
3463 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003464 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003465 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003466 bnx2x_release_phy_lock(bp);
3467 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003468}
3469
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003470static inline void bnx2x_fan_failure(struct bnx2x *bp)
3471{
3472 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003473 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003474 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003475 ext_phy_config =
3476 SHMEM_RD(bp,
3477 dev_info.port_hw_config[port].external_phy_config);
3478
3479 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3480 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003481 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003482 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003483
3484 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003485 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
3486 " the driver to shutdown the card to prevent permanent"
3487 " damage. Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003488
3489 /*
3490 * Scheudle device reset (unload)
3491 * This is due to some boards consuming sufficient power when driver is
3492 * up to overheat if fan fails.
3493 */
3494 smp_mb__before_clear_bit();
3495 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3496 smp_mb__after_clear_bit();
3497 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3498
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003499}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003500
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003501static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
3502{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003503 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003504 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003505 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003506
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003507 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3508 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003509
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003510 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003511
3512 val = REG_RD(bp, reg_offset);
3513 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3514 REG_WR(bp, reg_offset, val);
3515
3516 BNX2X_ERR("SPIO5 hw attention\n");
3517
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003518 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003519 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003520 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003521 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003522
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003523 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003524 bnx2x_acquire_phy_lock(bp);
3525 bnx2x_handle_module_detect_int(&bp->link_params);
3526 bnx2x_release_phy_lock(bp);
3527 }
3528
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003529 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3530
3531 val = REG_RD(bp, reg_offset);
3532 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3533 REG_WR(bp, reg_offset, val);
3534
3535 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003536 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003537 bnx2x_panic();
3538 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003539}
3540
3541static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3542{
3543 u32 val;
3544
Eilon Greenstein0626b892009-02-12 08:38:14 +00003545 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003546
3547 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3548 BNX2X_ERR("DB hw attention 0x%x\n", val);
3549 /* DORQ discard attention */
3550 if (val & 0x2)
3551 BNX2X_ERR("FATAL error from DORQ\n");
3552 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003553
3554 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3555
3556 int port = BP_PORT(bp);
3557 int reg_offset;
3558
3559 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3560 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3561
3562 val = REG_RD(bp, reg_offset);
3563 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3564 REG_WR(bp, reg_offset, val);
3565
3566 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003567 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003568 bnx2x_panic();
3569 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003570}
3571
3572static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3573{
3574 u32 val;
3575
3576 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3577
3578 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3579 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3580 /* CFC error attention */
3581 if (val & 0x2)
3582 BNX2X_ERR("FATAL error from CFC\n");
3583 }
3584
3585 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003586 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003587 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003588 /* RQ_USDMDP_FIFO_OVERFLOW */
3589 if (val & 0x18000)
3590 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003591
3592 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003593 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3594 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3595 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003596 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003597
3598 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3599
3600 int port = BP_PORT(bp);
3601 int reg_offset;
3602
3603 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3604 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3605
3606 val = REG_RD(bp, reg_offset);
3607 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3608 REG_WR(bp, reg_offset, val);
3609
3610 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003611 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003612 bnx2x_panic();
3613 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003614}
3615
3616static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3617{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003618 u32 val;
3619
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003620 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3621
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003622 if (attn & BNX2X_PMF_LINK_ASSERT) {
3623 int func = BP_FUNC(bp);
3624
3625 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003626 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3627 func_mf_config[BP_ABS_FUNC(bp)].config);
3628 val = SHMEM_RD(bp,
3629 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003630 if (val & DRV_STATUS_DCC_EVENT_MASK)
3631 bnx2x_dcc_event(bp,
3632 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003633
3634 if (val & DRV_STATUS_SET_MF_BW)
3635 bnx2x_set_mf_bw(bp);
3636
Barak Witkowski1d187b32011-12-05 22:41:50 +00003637 if (val & DRV_STATUS_DRV_INFO_REQ)
3638 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003639 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003640 bnx2x_pmf_update(bp);
3641
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003642 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003643 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3644 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003645 /* start dcbx state machine */
3646 bnx2x_dcbx_set_params(bp,
3647 BNX2X_DCBX_STATE_NEG_RECEIVED);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003648 if (bp->link_vars.periodic_flags &
3649 PERIODIC_FLAGS_LINK_EVENT) {
3650 /* sync with link */
3651 bnx2x_acquire_phy_lock(bp);
3652 bp->link_vars.periodic_flags &=
3653 ~PERIODIC_FLAGS_LINK_EVENT;
3654 bnx2x_release_phy_lock(bp);
3655 if (IS_MF(bp))
3656 bnx2x_link_sync_notify(bp);
3657 bnx2x_link_report(bp);
3658 }
3659 /* Always call it here: bnx2x_link_report() will
3660 * prevent the link indication duplication.
3661 */
3662 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003663 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003664
3665 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003666 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003667 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3668 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3669 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3670 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3671 bnx2x_panic();
3672
3673 } else if (attn & BNX2X_MCP_ASSERT) {
3674
3675 BNX2X_ERR("MCP assert!\n");
3676 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003677 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003678
3679 } else
3680 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3681 }
3682
3683 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003684 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3685 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003686 val = CHIP_IS_E1(bp) ? 0 :
3687 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003688 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3689 }
3690 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003691 val = CHIP_IS_E1(bp) ? 0 :
3692 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003693 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3694 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003695 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003696 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003697}
3698
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003699/*
3700 * Bits map:
3701 * 0-7 - Engine0 load counter.
3702 * 8-15 - Engine1 load counter.
3703 * 16 - Engine0 RESET_IN_PROGRESS bit.
3704 * 17 - Engine1 RESET_IN_PROGRESS bit.
3705 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3706 * on the engine
3707 * 19 - Engine1 ONE_IS_LOADED.
3708 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3709 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3710 * just the one belonging to its engine).
3711 *
3712 */
3713#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3714
3715#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3716#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3717#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3718#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3719#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3720#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3721#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003722
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003723/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003724 * Set the GLOBAL_RESET bit.
3725 *
3726 * Should be run under rtnl lock
3727 */
3728void bnx2x_set_reset_global(struct bnx2x *bp)
3729{
Ariel Eliorf16da432012-01-26 06:01:50 +00003730 u32 val;
3731 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3732 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003733 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003734 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003735}
3736
3737/*
3738 * Clear the GLOBAL_RESET bit.
3739 *
3740 * Should be run under rtnl lock
3741 */
3742static inline void bnx2x_clear_reset_global(struct bnx2x *bp)
3743{
Ariel Eliorf16da432012-01-26 06:01:50 +00003744 u32 val;
3745 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3746 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003747 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003748 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003749}
3750
3751/*
3752 * Checks the GLOBAL_RESET bit.
3753 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003754 * should be run under rtnl lock
3755 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003756static inline bool bnx2x_reset_is_global(struct bnx2x *bp)
3757{
3758 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3759
3760 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3761 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3762}
3763
3764/*
3765 * Clear RESET_IN_PROGRESS bit for the current engine.
3766 *
3767 * Should be run under rtnl lock
3768 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003769static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3770{
Ariel Eliorf16da432012-01-26 06:01:50 +00003771 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003772 u32 bit = BP_PATH(bp) ?
3773 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003774 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3775 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003776
3777 /* Clear the bit */
3778 val &= ~bit;
3779 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003780
3781 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003782}
3783
3784/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003785 * Set RESET_IN_PROGRESS for the current engine.
3786 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003787 * should be run under rtnl lock
3788 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003789void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003790{
Ariel Eliorf16da432012-01-26 06:01:50 +00003791 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003792 u32 bit = BP_PATH(bp) ?
3793 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003794 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3795 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003796
3797 /* Set the bit */
3798 val |= bit;
3799 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003800 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003801}
3802
3803/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003804 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003805 * should be run under rtnl lock
3806 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003807bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003808{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003809 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3810 u32 bit = engine ?
3811 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3812
3813 /* return false if bit is set */
3814 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003815}
3816
3817/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003818 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003819 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003820 * should be run under rtnl lock
3821 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003822void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003823{
Ariel Eliorf16da432012-01-26 06:01:50 +00003824 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003825 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3826 BNX2X_PATH0_LOAD_CNT_MASK;
3827 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3828 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003829
Ariel Eliorf16da432012-01-26 06:01:50 +00003830 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3831 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3832
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003833 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3834
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003835 /* get the current counter value */
3836 val1 = (val & mask) >> shift;
3837
Ariel Elior889b9af2012-01-26 06:01:51 +00003838 /* set bit of that PF */
3839 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003840
3841 /* clear the old value */
3842 val &= ~mask;
3843
3844 /* set the new one */
3845 val |= ((val1 << shift) & mask);
3846
3847 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003848 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003849}
3850
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003851/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003852 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003853 *
3854 * @bp: driver handle
3855 *
3856 * Should be run under rtnl lock.
3857 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003858 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003859 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003860bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003861{
Ariel Eliorf16da432012-01-26 06:01:50 +00003862 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003863 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3864 BNX2X_PATH0_LOAD_CNT_MASK;
3865 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3866 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003867
Ariel Eliorf16da432012-01-26 06:01:50 +00003868 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3869 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003870 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3871
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003872 /* get the current counter value */
3873 val1 = (val & mask) >> shift;
3874
Ariel Elior889b9af2012-01-26 06:01:51 +00003875 /* clear bit of that PF */
3876 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003877
3878 /* clear the old value */
3879 val &= ~mask;
3880
3881 /* set the new one */
3882 val |= ((val1 << shift) & mask);
3883
3884 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003885 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3886 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003887}
3888
3889/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003890 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003891 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003892 * should be run under rtnl lock
3893 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003894static inline bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003895{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003896 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
3897 BNX2X_PATH0_LOAD_CNT_MASK);
3898 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3899 BNX2X_PATH0_LOAD_CNT_SHIFT);
3900 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3901
3902 DP(NETIF_MSG_HW, "GLOB_REG=0x%08x\n", val);
3903
3904 val = (val & mask) >> shift;
3905
Ariel Elior889b9af2012-01-26 06:01:51 +00003906 DP(NETIF_MSG_HW, "load mask for engine %d = 0x%x\n", engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003907
Ariel Elior889b9af2012-01-26 06:01:51 +00003908 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003909}
3910
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003911/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003912 * Reset the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003913 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003914static inline void bnx2x_clear_load_status(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003915{
Ariel Eliorf16da432012-01-26 06:01:50 +00003916 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003917 u32 mask = (BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
Ariel Eliorf16da432012-01-26 06:01:50 +00003918 BNX2X_PATH0_LOAD_CNT_MASK);
3919 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3920 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003921 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~mask));
Ariel Eliorf16da432012-01-26 06:01:50 +00003922 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003923}
3924
3925static inline void _print_next_block(int idx, const char *blk)
3926{
Joe Perchesf1deab52011-08-14 12:16:21 +00003927 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003928}
3929
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003930static inline int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
3931 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003932{
3933 int i = 0;
3934 u32 cur_bit = 0;
3935 for (i = 0; sig; i++) {
3936 cur_bit = ((u32)0x1 << i);
3937 if (sig & cur_bit) {
3938 switch (cur_bit) {
3939 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003940 if (print)
3941 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003942 break;
3943 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003944 if (print)
3945 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003946 break;
3947 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003948 if (print)
3949 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003950 break;
3951 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003952 if (print)
3953 _print_next_block(par_num++,
3954 "SEARCHER");
3955 break;
3956 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
3957 if (print)
3958 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003959 break;
3960 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003961 if (print)
3962 _print_next_block(par_num++, "TSEMI");
3963 break;
3964 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3965 if (print)
3966 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003967 break;
3968 }
3969
3970 /* Clear the bit */
3971 sig &= ~cur_bit;
3972 }
3973 }
3974
3975 return par_num;
3976}
3977
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003978static inline int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
3979 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003980{
3981 int i = 0;
3982 u32 cur_bit = 0;
3983 for (i = 0; sig; i++) {
3984 cur_bit = ((u32)0x1 << i);
3985 if (sig & cur_bit) {
3986 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003987 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
3988 if (print)
3989 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003990 break;
3991 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003992 if (print)
3993 _print_next_block(par_num++, "QM");
3994 break;
3995 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
3996 if (print)
3997 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003998 break;
3999 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004000 if (print)
4001 _print_next_block(par_num++, "XSDM");
4002 break;
4003 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4004 if (print)
4005 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004006 break;
4007 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004008 if (print)
4009 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004010 break;
4011 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004012 if (print)
4013 _print_next_block(par_num++,
4014 "DOORBELLQ");
4015 break;
4016 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4017 if (print)
4018 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004019 break;
4020 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004021 if (print)
4022 _print_next_block(par_num++,
4023 "VAUX PCI CORE");
4024 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004025 break;
4026 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004027 if (print)
4028 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004029 break;
4030 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004031 if (print)
4032 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004033 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004034 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4035 if (print)
4036 _print_next_block(par_num++, "UCM");
4037 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004038 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004039 if (print)
4040 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004041 break;
4042 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004043 if (print)
4044 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004045 break;
4046 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004047 if (print)
4048 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004049 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004050 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4051 if (print)
4052 _print_next_block(par_num++, "CCM");
4053 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004054 }
4055
4056 /* Clear the bit */
4057 sig &= ~cur_bit;
4058 }
4059 }
4060
4061 return par_num;
4062}
4063
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004064static inline int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4065 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004066{
4067 int i = 0;
4068 u32 cur_bit = 0;
4069 for (i = 0; sig; i++) {
4070 cur_bit = ((u32)0x1 << i);
4071 if (sig & cur_bit) {
4072 switch (cur_bit) {
4073 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004074 if (print)
4075 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004076 break;
4077 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004078 if (print)
4079 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004080 break;
4081 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004082 if (print)
4083 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004084 "PXPPCICLOCKCLIENT");
4085 break;
4086 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004087 if (print)
4088 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004089 break;
4090 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004091 if (print)
4092 _print_next_block(par_num++, "CDU");
4093 break;
4094 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4095 if (print)
4096 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004097 break;
4098 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004099 if (print)
4100 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004101 break;
4102 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004103 if (print)
4104 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004105 break;
4106 }
4107
4108 /* Clear the bit */
4109 sig &= ~cur_bit;
4110 }
4111 }
4112
4113 return par_num;
4114}
4115
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004116static inline int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4117 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004118{
4119 int i = 0;
4120 u32 cur_bit = 0;
4121 for (i = 0; sig; i++) {
4122 cur_bit = ((u32)0x1 << i);
4123 if (sig & cur_bit) {
4124 switch (cur_bit) {
4125 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004126 if (print)
4127 _print_next_block(par_num++, "MCP ROM");
4128 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004129 break;
4130 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004131 if (print)
4132 _print_next_block(par_num++,
4133 "MCP UMP RX");
4134 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004135 break;
4136 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004137 if (print)
4138 _print_next_block(par_num++,
4139 "MCP UMP TX");
4140 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004141 break;
4142 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004143 if (print)
4144 _print_next_block(par_num++,
4145 "MCP SCPAD");
4146 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004147 break;
4148 }
4149
4150 /* Clear the bit */
4151 sig &= ~cur_bit;
4152 }
4153 }
4154
4155 return par_num;
4156}
4157
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004158static inline int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4159 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004160{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004161 int i = 0;
4162 u32 cur_bit = 0;
4163 for (i = 0; sig; i++) {
4164 cur_bit = ((u32)0x1 << i);
4165 if (sig & cur_bit) {
4166 switch (cur_bit) {
4167 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4168 if (print)
4169 _print_next_block(par_num++, "PGLUE_B");
4170 break;
4171 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4172 if (print)
4173 _print_next_block(par_num++, "ATC");
4174 break;
4175 }
4176
4177 /* Clear the bit */
4178 sig &= ~cur_bit;
4179 }
4180 }
4181
4182 return par_num;
4183}
4184
4185static inline bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4186 u32 *sig)
4187{
4188 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4189 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4190 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4191 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4192 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004193 int par_num = 0;
4194 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004195 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x "
4196 "[4]:0x%08x\n",
4197 sig[0] & HW_PRTY_ASSERT_SET_0,
4198 sig[1] & HW_PRTY_ASSERT_SET_1,
4199 sig[2] & HW_PRTY_ASSERT_SET_2,
4200 sig[3] & HW_PRTY_ASSERT_SET_3,
4201 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004202 if (print)
4203 netdev_err(bp->dev,
4204 "Parity errors detected in blocks: ");
4205 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004206 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004207 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004208 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004209 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004210 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004211 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004212 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4213 par_num = bnx2x_check_blocks_with_parity4(
4214 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4215
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004216 if (print)
4217 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004218
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004219 return true;
4220 } else
4221 return false;
4222}
4223
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004224/**
4225 * bnx2x_chk_parity_attn - checks for parity attentions.
4226 *
4227 * @bp: driver handle
4228 * @global: true if there was a global attention
4229 * @print: show parity attention in syslog
4230 */
4231bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004232{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004233 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004234 int port = BP_PORT(bp);
4235
4236 attn.sig[0] = REG_RD(bp,
4237 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4238 port*4);
4239 attn.sig[1] = REG_RD(bp,
4240 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4241 port*4);
4242 attn.sig[2] = REG_RD(bp,
4243 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4244 port*4);
4245 attn.sig[3] = REG_RD(bp,
4246 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4247 port*4);
4248
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004249 if (!CHIP_IS_E1x(bp))
4250 attn.sig[4] = REG_RD(bp,
4251 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4252 port*4);
4253
4254 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004255}
4256
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004257
4258static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
4259{
4260 u32 val;
4261 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4262
4263 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4264 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4265 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
4266 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4267 "ADDRESS_ERROR\n");
4268 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
4269 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4270 "INCORRECT_RCV_BEHAVIOR\n");
4271 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
4272 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4273 "WAS_ERROR_ATTN\n");
4274 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
4275 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4276 "VF_LENGTH_VIOLATION_ATTN\n");
4277 if (val &
4278 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
4279 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4280 "VF_GRC_SPACE_VIOLATION_ATTN\n");
4281 if (val &
4282 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
4283 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4284 "VF_MSIX_BAR_VIOLATION_ATTN\n");
4285 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
4286 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4287 "TCPL_ERROR_ATTN\n");
4288 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
4289 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4290 "TCPL_IN_TWO_RCBS_ATTN\n");
4291 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
4292 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4293 "CSSNOOP_FIFO_OVERFLOW\n");
4294 }
4295 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4296 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4297 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4298 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4299 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4300 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
4301 BNX2X_ERR("ATC_ATC_INT_STS_REG"
4302 "_ATC_TCPL_TO_NOT_PEND\n");
4303 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
4304 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
4305 "ATC_GPA_MULTIPLE_HITS\n");
4306 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
4307 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
4308 "ATC_RCPL_TO_EMPTY_CNT\n");
4309 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4310 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4311 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
4312 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
4313 "ATC_IREQ_LESS_THAN_STU\n");
4314 }
4315
4316 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4317 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4318 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4319 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4320 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4321 }
4322
4323}
4324
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004325static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4326{
4327 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004328 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004329 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004330 u32 reg_addr;
4331 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004332 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004333 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004334
4335 /* need to take HW lock because MCP or other port might also
4336 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004337 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004338
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004339 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4340#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004341 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004342 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004343 /* Disable HW interrupts */
4344 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004345 /* In case of parity errors don't handle attentions so that
4346 * other function would "see" parity errors.
4347 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004348#else
4349 bnx2x_panic();
4350#endif
4351 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004352 return;
4353 }
4354
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004355 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4356 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4357 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4358 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004359 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004360 attn.sig[4] =
4361 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4362 else
4363 attn.sig[4] = 0;
4364
4365 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4366 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004367
4368 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4369 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004370 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004371
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004372 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
4373 "%08x %08x %08x\n",
4374 index,
4375 group_mask->sig[0], group_mask->sig[1],
4376 group_mask->sig[2], group_mask->sig[3],
4377 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004378
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004379 bnx2x_attn_int_deasserted4(bp,
4380 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004381 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004382 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004383 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004384 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004385 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004386 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004387 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004388 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004389 }
4390 }
4391
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004392 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004393
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004394 if (bp->common.int_block == INT_BLOCK_HC)
4395 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4396 COMMAND_REG_ATTN_BITS_CLR);
4397 else
4398 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004399
4400 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004401 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4402 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004403 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004404
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004405 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004406 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004407
4408 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4409 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4410
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004411 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4412 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004413
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004414 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4415 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004416 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004417 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4418
4419 REG_WR(bp, reg_addr, aeu_mask);
4420 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004421
4422 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4423 bp->attn_state &= ~deasserted;
4424 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4425}
4426
4427static void bnx2x_attn_int(struct bnx2x *bp)
4428{
4429 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004430 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4431 attn_bits);
4432 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4433 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004434 u32 attn_state = bp->attn_state;
4435
4436 /* look for changed bits */
4437 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4438 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4439
4440 DP(NETIF_MSG_HW,
4441 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4442 attn_bits, attn_ack, asserted, deasserted);
4443
4444 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004445 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004446
4447 /* handle bits that were raised */
4448 if (asserted)
4449 bnx2x_attn_int_asserted(bp, asserted);
4450
4451 if (deasserted)
4452 bnx2x_attn_int_deasserted(bp, deasserted);
4453}
4454
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004455void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4456 u16 index, u8 op, u8 update)
4457{
4458 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4459
4460 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4461 igu_addr);
4462}
4463
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004464static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
4465{
4466 /* No memory barriers */
4467 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4468 mmiowb(); /* keep prod updates ordered */
4469}
4470
4471#ifdef BCM_CNIC
4472static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4473 union event_ring_elem *elem)
4474{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004475 u8 err = elem->message.error;
4476
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004477 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004478 (cid < bp->cnic_eth_dev.starting_cid &&
4479 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004480 return 1;
4481
4482 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4483
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004484 if (unlikely(err)) {
4485
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004486 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4487 cid);
4488 bnx2x_panic_dump(bp);
4489 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004490 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004491 return 0;
4492}
4493#endif
4494
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004495static inline void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
4496{
4497 struct bnx2x_mcast_ramrod_params rparam;
4498 int rc;
4499
4500 memset(&rparam, 0, sizeof(rparam));
4501
4502 rparam.mcast_obj = &bp->mcast_obj;
4503
4504 netif_addr_lock_bh(bp->dev);
4505
4506 /* Clear pending state for the last command */
4507 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4508
4509 /* If there are pending mcast commands - send them */
4510 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4511 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4512 if (rc < 0)
4513 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4514 rc);
4515 }
4516
4517 netif_addr_unlock_bh(bp->dev);
4518}
4519
4520static inline void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4521 union event_ring_elem *elem)
4522{
4523 unsigned long ramrod_flags = 0;
4524 int rc = 0;
4525 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4526 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4527
4528 /* Always push next commands out, don't wait here */
4529 __set_bit(RAMROD_CONT, &ramrod_flags);
4530
4531 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4532 case BNX2X_FILTER_MAC_PENDING:
4533#ifdef BCM_CNIC
4534 if (cid == BNX2X_ISCSI_ETH_CID)
4535 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4536 else
4537#endif
4538 vlan_mac_obj = &bp->fp[cid].mac_obj;
4539
4540 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004541 case BNX2X_FILTER_MCAST_PENDING:
4542 /* This is only relevant for 57710 where multicast MACs are
4543 * configured as unicast MACs using the same ramrod.
4544 */
4545 bnx2x_handle_mcast_eqe(bp);
4546 return;
4547 default:
4548 BNX2X_ERR("Unsupported classification command: %d\n",
4549 elem->message.data.eth_event.echo);
4550 return;
4551 }
4552
4553 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4554
4555 if (rc < 0)
4556 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4557 else if (rc > 0)
4558 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4559
4560}
4561
4562#ifdef BCM_CNIC
4563static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
4564#endif
4565
4566static inline void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
4567{
4568 netif_addr_lock_bh(bp->dev);
4569
4570 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4571
4572 /* Send rx_mode command again if was requested */
4573 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4574 bnx2x_set_storm_rx_mode(bp);
4575#ifdef BCM_CNIC
4576 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4577 &bp->sp_state))
4578 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4579 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4580 &bp->sp_state))
4581 bnx2x_set_iscsi_eth_rx_mode(bp, false);
4582#endif
4583
4584 netif_addr_unlock_bh(bp->dev);
4585}
4586
4587static inline struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
4588 struct bnx2x *bp, u32 cid)
4589{
Joe Perches94f05b02011-08-14 12:16:20 +00004590 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004591#ifdef BCM_CNIC
4592 if (cid == BNX2X_FCOE_ETH_CID)
4593 return &bnx2x_fcoe(bp, q_obj);
4594 else
4595#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +00004596 return &bnx2x_fp(bp, CID_TO_FP(cid), q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004597}
4598
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004599static void bnx2x_eq_int(struct bnx2x *bp)
4600{
4601 u16 hw_cons, sw_cons, sw_prod;
4602 union event_ring_elem *elem;
4603 u32 cid;
4604 u8 opcode;
4605 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004606 struct bnx2x_queue_sp_obj *q_obj;
4607 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4608 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004609
4610 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4611
4612 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4613 * when we get the the next-page we nned to adjust so the loop
4614 * condition below will be met. The next element is the size of a
4615 * regular element and hence incrementing by 1
4616 */
4617 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4618 hw_cons++;
4619
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004620 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004621 * specific bp, thus there is no need in "paired" read memory
4622 * barrier here.
4623 */
4624 sw_cons = bp->eq_cons;
4625 sw_prod = bp->eq_prod;
4626
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004627 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004628 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004629
4630 for (; sw_cons != hw_cons;
4631 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4632
4633
4634 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4635
4636 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4637 opcode = elem->message.opcode;
4638
4639
4640 /* handle eq element */
4641 switch (opcode) {
4642 case EVENT_RING_OPCODE_STAT_QUERY:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004643 DP(NETIF_MSG_TIMER, "got statistics comp event %d\n",
4644 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004645 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004646 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004647
4648 case EVENT_RING_OPCODE_CFC_DEL:
4649 /* handle according to cid range */
4650 /*
4651 * we may want to verify here that the bp state is
4652 * HALTING
4653 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004654 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004655 "got delete ramrod for MULTI[%d]\n", cid);
4656#ifdef BCM_CNIC
4657 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
4658 goto next_spqe;
4659#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004660 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4661
4662 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4663 break;
4664
4665
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004666
4667 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004668
4669 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004670 DP(BNX2X_MSG_SP, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004671 if (f_obj->complete_cmd(bp, f_obj,
4672 BNX2X_F_CMD_TX_STOP))
4673 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004674 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4675 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004676
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004677 case EVENT_RING_OPCODE_START_TRAFFIC:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004678 DP(BNX2X_MSG_SP, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004679 if (f_obj->complete_cmd(bp, f_obj,
4680 BNX2X_F_CMD_TX_START))
4681 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004682 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4683 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004684 case EVENT_RING_OPCODE_FUNCTION_START:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004685 DP(BNX2X_MSG_SP, "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004686 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4687 break;
4688
4689 goto next_spqe;
4690
4691 case EVENT_RING_OPCODE_FUNCTION_STOP:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004692 DP(BNX2X_MSG_SP, "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004693 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4694 break;
4695
4696 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004697 }
4698
4699 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004700 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4701 BNX2X_STATE_OPEN):
4702 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004703 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004704 cid = elem->message.data.eth_event.echo &
4705 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004706 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004707 cid);
4708 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004709 break;
4710
4711 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4712 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004713 case (EVENT_RING_OPCODE_SET_MAC |
4714 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004715 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4716 BNX2X_STATE_OPEN):
4717 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4718 BNX2X_STATE_DIAG):
4719 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4720 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004721 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004722 bnx2x_handle_classification_eqe(bp, elem);
4723 break;
4724
4725 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4726 BNX2X_STATE_OPEN):
4727 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4728 BNX2X_STATE_DIAG):
4729 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4730 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004731 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004732 bnx2x_handle_mcast_eqe(bp);
4733 break;
4734
4735 case (EVENT_RING_OPCODE_FILTERS_RULES |
4736 BNX2X_STATE_OPEN):
4737 case (EVENT_RING_OPCODE_FILTERS_RULES |
4738 BNX2X_STATE_DIAG):
4739 case (EVENT_RING_OPCODE_FILTERS_RULES |
4740 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004741 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004742 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004743 break;
4744 default:
4745 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004746 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4747 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004748 }
4749next_spqe:
4750 spqe_cnt++;
4751 } /* for */
4752
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004753 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004754 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004755
4756 bp->eq_cons = sw_cons;
4757 bp->eq_prod = sw_prod;
4758 /* Make sure that above mem writes were issued towards the memory */
4759 smp_wmb();
4760
4761 /* update producer */
4762 bnx2x_update_eq_prod(bp, bp->eq_prod);
4763}
4764
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004765static void bnx2x_sp_task(struct work_struct *work)
4766{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004767 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004768 u16 status;
4769
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004770 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004771/* if (status == 0) */
4772/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004773
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004774 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004775
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004776 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004777 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004778 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004779 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004780 }
4781
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004782 /* SP events: STAT_QUERY and others */
4783 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004784#ifdef BCM_CNIC
4785 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004786
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004787 if ((!NO_FCOE(bp)) &&
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00004788 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
4789 /*
4790 * Prevent local bottom-halves from running as
4791 * we are going to change the local NAPI list.
4792 */
4793 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004794 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00004795 local_bh_enable();
4796 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004797#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004798 /* Handle EQ completions */
4799 bnx2x_eq_int(bp);
4800
4801 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
4802 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
4803
4804 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004805 }
4806
4807 if (unlikely(status))
4808 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
4809 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004810
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004811 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
4812 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004813}
4814
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004815irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004816{
4817 struct net_device *dev = dev_instance;
4818 struct bnx2x *bp = netdev_priv(dev);
4819
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004820 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
4821 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004822
4823#ifdef BNX2X_STOP_ON_ERROR
4824 if (unlikely(bp->panic))
4825 return IRQ_HANDLED;
4826#endif
4827
Michael Chan993ac7b2009-10-10 13:46:56 +00004828#ifdef BCM_CNIC
4829 {
4830 struct cnic_ops *c_ops;
4831
4832 rcu_read_lock();
4833 c_ops = rcu_dereference(bp->cnic_ops);
4834 if (c_ops)
4835 c_ops->cnic_handler(bp->cnic_data, NULL);
4836 rcu_read_unlock();
4837 }
4838#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004839 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004840
4841 return IRQ_HANDLED;
4842}
4843
4844/* end of slow path */
4845
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004846
4847void bnx2x_drv_pulse(struct bnx2x *bp)
4848{
4849 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
4850 bp->fw_drv_pulse_wr_seq);
4851}
4852
4853
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004854static void bnx2x_timer(unsigned long data)
4855{
Ariel Elior6383c0b2011-07-14 08:31:57 +00004856 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004857 struct bnx2x *bp = (struct bnx2x *) data;
4858
4859 if (!netif_running(bp->dev))
4860 return;
4861
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004862 if (poll) {
4863 struct bnx2x_fastpath *fp = &bp->fp[0];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004864
Ariel Elior6383c0b2011-07-14 08:31:57 +00004865 for_each_cos_in_tx_queue(fp, cos)
4866 bnx2x_tx_int(bp, &fp->txdata[cos]);
David S. Millerb8ee8322011-04-17 16:56:12 -07004867 bnx2x_rx_int(fp, 1000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004868 }
4869
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004870 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004871 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004872 u32 drv_pulse;
4873 u32 mcp_pulse;
4874
4875 ++bp->fw_drv_pulse_wr_seq;
4876 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
4877 /* TBD - add SYSTEM_TIME */
4878 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004879 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004880
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004881 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004882 MCP_PULSE_SEQ_MASK);
4883 /* The delta between driver pulse and mcp response
4884 * should be 1 (before mcp response) or 0 (after mcp response)
4885 */
4886 if ((drv_pulse != mcp_pulse) &&
4887 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
4888 /* someone lost a heartbeat... */
4889 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
4890 drv_pulse, mcp_pulse);
4891 }
4892 }
4893
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07004894 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004895 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004896
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004897 mod_timer(&bp->timer, jiffies + bp->current_interval);
4898}
4899
4900/* end of Statistics */
4901
4902/* nic init */
4903
4904/*
4905 * nic init service functions
4906 */
4907
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004908static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004909{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004910 u32 i;
4911 if (!(len%4) && !(addr%4))
4912 for (i = 0; i < len; i += 4)
4913 REG_WR(bp, addr + i, fill);
4914 else
4915 for (i = 0; i < len; i++)
4916 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004917
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004918}
4919
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004920/* helper: writes FP SP data to FW - data_size in dwords */
4921static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
4922 int fw_sb_id,
4923 u32 *sb_data_p,
4924 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004925{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004926 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004927 for (index = 0; index < data_size; index++)
4928 REG_WR(bp, BAR_CSTRORM_INTMEM +
4929 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
4930 sizeof(u32)*index,
4931 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004932}
4933
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004934static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
4935{
4936 u32 *sb_data_p;
4937 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004938 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004939 struct hc_status_block_data_e1x sb_data_e1x;
4940
4941 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004942 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004943 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004944 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004945 sb_data_e2.common.p_func.vf_valid = false;
4946 sb_data_p = (u32 *)&sb_data_e2;
4947 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4948 } else {
4949 memset(&sb_data_e1x, 0,
4950 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004951 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004952 sb_data_e1x.common.p_func.vf_valid = false;
4953 sb_data_p = (u32 *)&sb_data_e1x;
4954 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4955 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004956 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4957
4958 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4959 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
4960 CSTORM_STATUS_BLOCK_SIZE);
4961 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4962 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
4963 CSTORM_SYNC_BLOCK_SIZE);
4964}
4965
4966/* helper: writes SP SB data to FW */
4967static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
4968 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004969{
4970 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004971 int i;
4972 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4973 REG_WR(bp, BAR_CSTRORM_INTMEM +
4974 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4975 i*sizeof(u32),
4976 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004977}
4978
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004979static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4980{
4981 int func = BP_FUNC(bp);
4982 struct hc_sp_status_block_data sp_sb_data;
4983 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4984
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004985 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004986 sp_sb_data.p_func.vf_valid = false;
4987
4988 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4989
4990 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4991 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4992 CSTORM_SP_STATUS_BLOCK_SIZE);
4993 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4994 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4995 CSTORM_SP_SYNC_BLOCK_SIZE);
4996
4997}
4998
4999
5000static inline
5001void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
5002 int igu_sb_id, int igu_seg_id)
5003{
5004 hc_sm->igu_sb_id = igu_sb_id;
5005 hc_sm->igu_seg_id = igu_seg_id;
5006 hc_sm->timer_value = 0xFF;
5007 hc_sm->time_to_expire = 0xFFFFFFFF;
5008}
5009
David S. Miller8decf862011-09-22 03:23:13 -04005010
5011/* allocates state machine ids. */
5012static inline
5013void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
5014{
5015 /* zero out state machine indices */
5016 /* rx indices */
5017 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5018
5019 /* tx indices */
5020 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5021 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5022 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5023 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5024
5025 /* map indices */
5026 /* rx indices */
5027 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5028 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5029
5030 /* tx indices */
5031 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5032 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5033 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5034 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5035 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5036 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5037 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5038 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5039}
5040
stephen hemminger8d962862010-10-21 07:50:56 +00005041static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005042 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5043{
5044 int igu_seg_id;
5045
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005046 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005047 struct hc_status_block_data_e1x sb_data_e1x;
5048 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005049 int data_size;
5050 u32 *sb_data_p;
5051
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005052 if (CHIP_INT_MODE_IS_BC(bp))
5053 igu_seg_id = HC_SEG_ACCESS_NORM;
5054 else
5055 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005056
5057 bnx2x_zero_fp_sb(bp, fw_sb_id);
5058
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005059 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005060 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005061 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005062 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5063 sb_data_e2.common.p_func.vf_id = vfid;
5064 sb_data_e2.common.p_func.vf_valid = vf_valid;
5065 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5066 sb_data_e2.common.same_igu_sb_1b = true;
5067 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5068 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5069 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005070 sb_data_p = (u32 *)&sb_data_e2;
5071 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005072 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005073 } else {
5074 memset(&sb_data_e1x, 0,
5075 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005076 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005077 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5078 sb_data_e1x.common.p_func.vf_id = 0xff;
5079 sb_data_e1x.common.p_func.vf_valid = false;
5080 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5081 sb_data_e1x.common.same_igu_sb_1b = true;
5082 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5083 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5084 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005085 sb_data_p = (u32 *)&sb_data_e1x;
5086 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005087 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005088 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005089
5090 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5091 igu_sb_id, igu_seg_id);
5092 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5093 igu_sb_id, igu_seg_id);
5094
5095 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
5096
5097 /* write indecies to HW */
5098 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5099}
5100
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005101static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005102 u16 tx_usec, u16 rx_usec)
5103{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005104 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005105 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005106 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5107 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5108 tx_usec);
5109 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5110 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5111 tx_usec);
5112 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5113 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5114 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005115}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005116
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005117static void bnx2x_init_def_sb(struct bnx2x *bp)
5118{
5119 struct host_sp_status_block *def_sb = bp->def_status_blk;
5120 dma_addr_t mapping = bp->def_status_blk_mapping;
5121 int igu_sp_sb_index;
5122 int igu_seg_id;
5123 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005124 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005125 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005126 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005127 int index;
5128 struct hc_sp_status_block_data sp_sb_data;
5129 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5130
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005131 if (CHIP_INT_MODE_IS_BC(bp)) {
5132 igu_sp_sb_index = DEF_SB_IGU_ID;
5133 igu_seg_id = HC_SEG_ACCESS_DEF;
5134 } else {
5135 igu_sp_sb_index = bp->igu_dsb_id;
5136 igu_seg_id = IGU_SEG_ACCESS_DEF;
5137 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005138
5139 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005140 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005141 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005142 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005143
Eliezer Tamir49d66772008-02-28 11:53:13 -08005144 bp->attn_state = 0;
5145
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005146 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5147 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005148 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5149 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005150 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005151 int sindex;
5152 /* take care of sig[0]..sig[4] */
5153 for (sindex = 0; sindex < 4; sindex++)
5154 bp->attn_group[index].sig[sindex] =
5155 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005156
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005157 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005158 /*
5159 * enable5 is separate from the rest of the registers,
5160 * and therefore the address skip is 4
5161 * and not 16 between the different groups
5162 */
5163 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005164 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005165 else
5166 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005167 }
5168
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005169 if (bp->common.int_block == INT_BLOCK_HC) {
5170 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5171 HC_REG_ATTN_MSG0_ADDR_L);
5172
5173 REG_WR(bp, reg_offset, U64_LO(section));
5174 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005175 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005176 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5177 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5178 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005179
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005180 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5181 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005182
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005183 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005184
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005185 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005186 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5187 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5188 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5189 sp_sb_data.igu_seg_id = igu_seg_id;
5190 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005191 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005192 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005193
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005194 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005195
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005196 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005197}
5198
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005199void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005200{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005201 int i;
5202
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005203 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005204 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005205 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005206}
5207
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005208static void bnx2x_init_sp_ring(struct bnx2x *bp)
5209{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005210 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005211 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005212
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005213 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005214 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5215 bp->spq_prod_bd = bp->spq;
5216 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005217}
5218
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005219static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005220{
5221 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005222 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5223 union event_ring_elem *elem =
5224 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005225
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005226 elem->next_page.addr.hi =
5227 cpu_to_le32(U64_HI(bp->eq_mapping +
5228 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5229 elem->next_page.addr.lo =
5230 cpu_to_le32(U64_LO(bp->eq_mapping +
5231 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005232 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005233 bp->eq_cons = 0;
5234 bp->eq_prod = NUM_EQ_DESC;
5235 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005236 /* we want a warning message before it gets rought... */
5237 atomic_set(&bp->eq_spq_left,
5238 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005239}
5240
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005241
5242/* called with netif_addr_lock_bh() */
5243void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5244 unsigned long rx_mode_flags,
5245 unsigned long rx_accept_flags,
5246 unsigned long tx_accept_flags,
5247 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005248{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005249 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5250 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005251
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005252 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005253
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005254 /* Prepare ramrod parameters */
5255 ramrod_param.cid = 0;
5256 ramrod_param.cl_id = cl_id;
5257 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5258 ramrod_param.func_id = BP_FUNC(bp);
5259
5260 ramrod_param.pstate = &bp->sp_state;
5261 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5262
5263 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5264 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5265
5266 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5267
5268 ramrod_param.ramrod_flags = ramrod_flags;
5269 ramrod_param.rx_mode_flags = rx_mode_flags;
5270
5271 ramrod_param.rx_accept_flags = rx_accept_flags;
5272 ramrod_param.tx_accept_flags = tx_accept_flags;
5273
5274 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5275 if (rc < 0) {
5276 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5277 return;
5278 }
5279}
5280
5281/* called with netif_addr_lock_bh() */
5282void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5283{
5284 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5285 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5286
5287#ifdef BCM_CNIC
5288 if (!NO_FCOE(bp))
5289
5290 /* Configure rx_mode of FCoE Queue */
5291 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5292#endif
5293
5294 switch (bp->rx_mode) {
5295 case BNX2X_RX_MODE_NONE:
5296 /*
5297 * 'drop all' supersedes any accept flags that may have been
5298 * passed to the function.
5299 */
5300 break;
5301 case BNX2X_RX_MODE_NORMAL:
5302 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5303 __set_bit(BNX2X_ACCEPT_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_MULTICAST, &tx_accept_flags);
5309 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5310
5311 break;
5312 case BNX2X_RX_MODE_ALLMULTI:
5313 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5314 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5315 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5316
5317 /* internal switching mode */
5318 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5319 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5320 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5321
5322 break;
5323 case BNX2X_RX_MODE_PROMISC:
5324 /* According to deffinition of SI mode, iface in promisc mode
5325 * should receive matched and unmatched (in resolution of port)
5326 * unicast packets.
5327 */
5328 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5329 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5330 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5331 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5332
5333 /* internal switching mode */
5334 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5335 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5336
5337 if (IS_MF_SI(bp))
5338 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5339 else
5340 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5341
5342 break;
5343 default:
5344 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5345 return;
5346 }
5347
5348 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5349 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5350 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5351 }
5352
5353 __set_bit(RAMROD_RX, &ramrod_flags);
5354 __set_bit(RAMROD_TX, &ramrod_flags);
5355
5356 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5357 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005358}
5359
Eilon Greenstein471de712008-08-13 15:49:35 -07005360static void bnx2x_init_internal_common(struct bnx2x *bp)
5361{
5362 int i;
5363
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005364 if (IS_MF_SI(bp))
5365 /*
5366 * In switch independent mode, the TSTORM needs to accept
5367 * packets that failed classification, since approximate match
5368 * mac addresses aren't written to NIG LLH
5369 */
5370 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5371 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005372 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5373 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5374 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005375
Eilon Greenstein471de712008-08-13 15:49:35 -07005376 /* Zero this manually as its initialization is
5377 currently missing in the initTool */
5378 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5379 REG_WR(bp, BAR_USTRORM_INTMEM +
5380 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005381 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005382 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5383 CHIP_INT_MODE_IS_BC(bp) ?
5384 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5385 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005386}
5387
Eilon Greenstein471de712008-08-13 15:49:35 -07005388static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5389{
5390 switch (load_code) {
5391 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005392 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005393 bnx2x_init_internal_common(bp);
5394 /* no break */
5395
5396 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005397 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005398 /* no break */
5399
5400 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005401 /* internal memory per function is
5402 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005403 break;
5404
5405 default:
5406 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5407 break;
5408 }
5409}
5410
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005411static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5412{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005413 return fp->bp->igu_base_sb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005414}
5415
5416static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5417{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005418 return fp->bp->base_fw_ndsb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005419}
5420
5421static inline u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
5422{
5423 if (CHIP_IS_E1x(fp->bp))
5424 return BP_L_ID(fp->bp) + fp->index;
5425 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5426 return bnx2x_fp_igu_sb_id(fp);
5427}
5428
Ariel Elior6383c0b2011-07-14 08:31:57 +00005429static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005430{
5431 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005432 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005433 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005434 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005435 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005436 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005437 fp->cl_id = bnx2x_fp_cl_id(fp);
5438 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5439 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005440 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005441 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5442
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005443 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005444 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Ariel Elior7a752992012-01-26 06:01:53 +00005445
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005446 /* Setup SB indicies */
5447 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005448
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005449 /* Configure Queue State object */
5450 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5451 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005452
5453 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5454
5455 /* init tx data */
5456 for_each_cos_in_tx_queue(fp, cos) {
5457 bnx2x_init_txdata(bp, &fp->txdata[cos],
5458 CID_COS_TO_TX_ONLY_CID(fp->cid, cos),
5459 FP_COS_TO_TXQ(fp, cos),
5460 BNX2X_TX_SB_INDEX_BASE + cos);
5461 cids[cos] = fp->txdata[cos].cid;
5462 }
5463
5464 bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, cids, fp->max_cos,
5465 BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
5466 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005467
5468 /**
5469 * Configure classification DBs: Always enable Tx switching
5470 */
5471 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5472
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005473 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
5474 "cl_id %d fw_sb %d igu_sb %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005475 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005476 fp->igu_sb_id);
5477 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5478 fp->fw_sb_id, fp->igu_sb_id);
5479
5480 bnx2x_update_fpsb_idx(fp);
5481}
5482
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005483void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005484{
5485 int i;
5486
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005487 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005488 bnx2x_init_eth_fp(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00005489#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005490 if (!NO_FCOE(bp))
5491 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005492
5493 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5494 BNX2X_VF_ID_INVALID, false,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005495 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005496
Michael Chan37b091b2009-10-10 13:46:55 +00005497#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005498
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005499 /* Initialize MOD_ABS interrupts */
5500 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5501 bp->common.shmem_base, bp->common.shmem2_base,
5502 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005503 /* ensure status block indices were read */
5504 rmb();
5505
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005506 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005507 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005508 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005509 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005510 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005511 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005512 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005513 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005514 bnx2x_stats_init(bp);
5515
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005516 /* flush all before enabling interrupts */
5517 mb();
5518 mmiowb();
5519
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005520 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005521
5522 /* Check for SPIO5 */
5523 bnx2x_attn_int_deasserted0(bp,
5524 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5525 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005526}
5527
5528/* end of nic init */
5529
5530/*
5531 * gzip service functions
5532 */
5533
5534static int bnx2x_gunzip_init(struct bnx2x *bp)
5535{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005536 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5537 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005538 if (bp->gunzip_buf == NULL)
5539 goto gunzip_nomem1;
5540
5541 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5542 if (bp->strm == NULL)
5543 goto gunzip_nomem2;
5544
David S. Miller7ab24bf2011-06-29 05:48:41 -07005545 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005546 if (bp->strm->workspace == NULL)
5547 goto gunzip_nomem3;
5548
5549 return 0;
5550
5551gunzip_nomem3:
5552 kfree(bp->strm);
5553 bp->strm = NULL;
5554
5555gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005556 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5557 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005558 bp->gunzip_buf = NULL;
5559
5560gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005561 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
5562 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005563 return -ENOMEM;
5564}
5565
5566static void bnx2x_gunzip_end(struct bnx2x *bp)
5567{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005568 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005569 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005570 kfree(bp->strm);
5571 bp->strm = NULL;
5572 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005573
5574 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005575 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5576 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005577 bp->gunzip_buf = NULL;
5578 }
5579}
5580
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005581static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005582{
5583 int n, rc;
5584
5585 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005586 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5587 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005588 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005589 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005590
5591 n = 10;
5592
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005593#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005594
5595 if (zbuf[3] & FNAME)
5596 while ((zbuf[n++] != 0) && (n < len));
5597
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005598 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005599 bp->strm->avail_in = len - n;
5600 bp->strm->next_out = bp->gunzip_buf;
5601 bp->strm->avail_out = FW_BUF_SIZE;
5602
5603 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5604 if (rc != Z_OK)
5605 return rc;
5606
5607 rc = zlib_inflate(bp->strm, Z_FINISH);
5608 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005609 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5610 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005611
5612 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5613 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005614 netdev_err(bp->dev, "Firmware decompression error:"
5615 " gunzip_outlen (%d) not aligned\n",
5616 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005617 bp->gunzip_outlen >>= 2;
5618
5619 zlib_inflateEnd(bp->strm);
5620
5621 if (rc == Z_STREAM_END)
5622 return 0;
5623
5624 return rc;
5625}
5626
5627/* nic load/unload */
5628
5629/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005630 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005631 */
5632
5633/* send a NIG loopback debug packet */
5634static void bnx2x_lb_pckt(struct bnx2x *bp)
5635{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005636 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005637
5638 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005639 wb_write[0] = 0x55555555;
5640 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005641 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005642 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005643
5644 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005645 wb_write[0] = 0x09000000;
5646 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005647 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005648 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005649}
5650
5651/* some of the internal memories
5652 * are not directly readable from the driver
5653 * to test them we send debug packets
5654 */
5655static int bnx2x_int_mem_test(struct bnx2x *bp)
5656{
5657 int factor;
5658 int count, i;
5659 u32 val = 0;
5660
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005661 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005662 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005663 else if (CHIP_REV_IS_EMUL(bp))
5664 factor = 200;
5665 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005666 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005667
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005668 /* Disable inputs of parser neighbor blocks */
5669 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5670 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5671 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005672 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005673
5674 /* Write 0 to parser credits for CFC search request */
5675 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5676
5677 /* send Ethernet packet */
5678 bnx2x_lb_pckt(bp);
5679
5680 /* TODO do i reset NIG statistic? */
5681 /* Wait until NIG register shows 1 packet of size 0x10 */
5682 count = 1000 * factor;
5683 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005684
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005685 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5686 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005687 if (val == 0x10)
5688 break;
5689
5690 msleep(10);
5691 count--;
5692 }
5693 if (val != 0x10) {
5694 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5695 return -1;
5696 }
5697
5698 /* Wait until PRS register shows 1 packet */
5699 count = 1000 * factor;
5700 while (count) {
5701 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005702 if (val == 1)
5703 break;
5704
5705 msleep(10);
5706 count--;
5707 }
5708 if (val != 0x1) {
5709 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5710 return -2;
5711 }
5712
5713 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005714 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005715 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005716 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005717 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005718 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5719 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005720
5721 DP(NETIF_MSG_HW, "part2\n");
5722
5723 /* Disable inputs of parser neighbor blocks */
5724 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5725 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5726 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005727 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005728
5729 /* Write 0 to parser credits for CFC search request */
5730 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5731
5732 /* send 10 Ethernet packets */
5733 for (i = 0; i < 10; i++)
5734 bnx2x_lb_pckt(bp);
5735
5736 /* Wait until NIG register shows 10 + 1
5737 packets of size 11*0x10 = 0xb0 */
5738 count = 1000 * factor;
5739 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005740
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005741 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5742 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005743 if (val == 0xb0)
5744 break;
5745
5746 msleep(10);
5747 count--;
5748 }
5749 if (val != 0xb0) {
5750 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5751 return -3;
5752 }
5753
5754 /* Wait until PRS register shows 2 packets */
5755 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5756 if (val != 2)
5757 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5758
5759 /* Write 1 to parser credits for CFC search request */
5760 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5761
5762 /* Wait until PRS register shows 3 packets */
5763 msleep(10 * factor);
5764 /* Wait until NIG register shows 1 packet of size 0x10 */
5765 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5766 if (val != 3)
5767 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5768
5769 /* clear NIG EOP FIFO */
5770 for (i = 0; i < 11; i++)
5771 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5772 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5773 if (val != 1) {
5774 BNX2X_ERR("clear of NIG failed\n");
5775 return -4;
5776 }
5777
5778 /* Reset and init BRB, PRS, NIG */
5779 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5780 msleep(50);
5781 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5782 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005783 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5784 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00005785#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005786 /* set NIC mode */
5787 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5788#endif
5789
5790 /* Enable inputs of parser neighbor blocks */
5791 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5792 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5793 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005794 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005795
5796 DP(NETIF_MSG_HW, "done\n");
5797
5798 return 0; /* OK */
5799}
5800
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005801static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005802{
5803 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005804 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005805 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
5806 else
5807 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005808 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5809 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005810 /*
5811 * mask read length error interrupts in brb for parser
5812 * (parsing unit and 'checksum and crc' unit)
5813 * these errors are legal (PU reads fixed length and CAC can cause
5814 * read length error on truncated packets)
5815 */
5816 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005817 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5818 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5819 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5820 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5821 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005822/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5823/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005824 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5825 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5826 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005827/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5828/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005829 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5830 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5831 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5832 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005833/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5834/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005835
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005836 if (CHIP_REV_IS_FPGA(bp))
5837 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005838 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005839 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
5840 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
5841 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
5842 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
5843 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
5844 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005845 else
5846 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005847 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5848 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5849 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005850/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005851
5852 if (!CHIP_IS_E1x(bp))
5853 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
5854 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
5855
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005856 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5857 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005858/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005859 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005860}
5861
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005862static void bnx2x_reset_common(struct bnx2x *bp)
5863{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005864 u32 val = 0x1400;
5865
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005866 /* reset_common */
5867 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5868 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005869
5870 if (CHIP_IS_E3(bp)) {
5871 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
5872 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
5873 }
5874
5875 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
5876}
5877
5878static void bnx2x_setup_dmae(struct bnx2x *bp)
5879{
5880 bp->dmae_ready = 0;
5881 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005882}
5883
Eilon Greenstein573f2032009-08-12 08:24:14 +00005884static void bnx2x_init_pxp(struct bnx2x *bp)
5885{
5886 u16 devctl;
5887 int r_order, w_order;
5888
5889 pci_read_config_word(bp->pdev,
Vladislav Zolotarovb6c2f862011-07-24 03:58:38 +00005890 pci_pcie_cap(bp->pdev) + PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00005891 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
5892 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
5893 if (bp->mrrs == -1)
5894 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
5895 else {
5896 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
5897 r_order = bp->mrrs;
5898 }
5899
5900 bnx2x_init_pxp_arb(bp, r_order, w_order);
5901}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005902
5903static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
5904{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005905 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005906 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005907 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005908
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005909 if (BP_NOMCP(bp))
5910 return;
5911
5912 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005913 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
5914 SHARED_HW_CFG_FAN_FAILURE_MASK;
5915
5916 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
5917 is_required = 1;
5918
5919 /*
5920 * The fan failure mechanism is usually related to the PHY type since
5921 * the power consumption of the board is affected by the PHY. Currently,
5922 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
5923 */
5924 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
5925 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005926 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005927 bnx2x_fan_failure_det_req(
5928 bp,
5929 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005930 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005931 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005932 }
5933
5934 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
5935
5936 if (is_required == 0)
5937 return;
5938
5939 /* Fan failure is indicated by SPIO 5 */
5940 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5941 MISC_REGISTERS_SPIO_INPUT_HI_Z);
5942
5943 /* set to active low mode */
5944 val = REG_RD(bp, MISC_REG_SPIO_INT);
5945 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005946 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005947 REG_WR(bp, MISC_REG_SPIO_INT, val);
5948
5949 /* enable interrupt to signal the IGU */
5950 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5951 val |= (1 << MISC_REGISTERS_SPIO_5);
5952 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5953}
5954
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005955static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
5956{
5957 u32 offset = 0;
5958
5959 if (CHIP_IS_E1(bp))
5960 return;
5961 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
5962 return;
5963
5964 switch (BP_ABS_FUNC(bp)) {
5965 case 0:
5966 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
5967 break;
5968 case 1:
5969 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
5970 break;
5971 case 2:
5972 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
5973 break;
5974 case 3:
5975 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
5976 break;
5977 case 4:
5978 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
5979 break;
5980 case 5:
5981 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
5982 break;
5983 case 6:
5984 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
5985 break;
5986 case 7:
5987 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
5988 break;
5989 default:
5990 return;
5991 }
5992
5993 REG_WR(bp, offset, pretend_func_num);
5994 REG_RD(bp, offset);
5995 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
5996}
5997
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00005998void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005999{
6000 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
6001 val &= ~IGU_PF_CONF_FUNC_EN;
6002
6003 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6004 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6005 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6006}
6007
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006008static inline void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006009{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006010 u32 shmem_base[2], shmem2_base[2];
6011 shmem_base[0] = bp->common.shmem_base;
6012 shmem2_base[0] = bp->common.shmem2_base;
6013 if (!CHIP_IS_E1x(bp)) {
6014 shmem_base[1] =
6015 SHMEM2_RD(bp, other_shmem_base_addr);
6016 shmem2_base[1] =
6017 SHMEM2_RD(bp, other_shmem2_base_addr);
6018 }
6019 bnx2x_acquire_phy_lock(bp);
6020 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6021 bp->common.chip_id);
6022 bnx2x_release_phy_lock(bp);
6023}
6024
6025/**
6026 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6027 *
6028 * @bp: driver handle
6029 */
6030static int bnx2x_init_hw_common(struct bnx2x *bp)
6031{
6032 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006033
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006034 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006035
David S. Miller823dcd22011-08-20 10:39:12 -07006036 /*
6037 * take the UNDI lock to protect undi_unload flow from accessing
6038 * registers while we're resetting the chip
6039 */
David S. Miller8decf862011-09-22 03:23:13 -04006040 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006041
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006042 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006043 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006044
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006045 val = 0xfffc;
6046 if (CHIP_IS_E3(bp)) {
6047 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6048 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6049 }
6050 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006051
David S. Miller8decf862011-09-22 03:23:13 -04006052 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006053
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006054 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6055
6056 if (!CHIP_IS_E1x(bp)) {
6057 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006058
6059 /**
6060 * 4-port mode or 2-port mode we need to turn of master-enable
6061 * for everyone, after that, turn it back on for self.
6062 * so, we disregard multi-function or not, and always disable
6063 * for all functions on the given path, this means 0,2,4,6 for
6064 * path 0 and 1,3,5,7 for path 1
6065 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006066 for (abs_func_id = BP_PATH(bp);
6067 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6068 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006069 REG_WR(bp,
6070 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6071 1);
6072 continue;
6073 }
6074
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006075 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006076 /* clear pf enable */
6077 bnx2x_pf_disable(bp);
6078 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6079 }
6080 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006081
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006082 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006083 if (CHIP_IS_E1(bp)) {
6084 /* enable HW interrupt from PXP on USDM overflow
6085 bit 16 on INT_MASK_0 */
6086 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006087 }
6088
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006089 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006090 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006091
6092#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006093 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6094 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6095 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6096 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6097 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006098 /* make sure this value is 0 */
6099 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006100
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006101/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6102 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6103 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6104 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6105 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006106#endif
6107
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006108 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6109
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006110 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6111 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006112
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006113 /* let the HW do it's magic ... */
6114 msleep(100);
6115 /* finish PXP init */
6116 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6117 if (val != 1) {
6118 BNX2X_ERR("PXP2 CFG failed\n");
6119 return -EBUSY;
6120 }
6121 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6122 if (val != 1) {
6123 BNX2X_ERR("PXP2 RD_INIT failed\n");
6124 return -EBUSY;
6125 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006126
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006127 /* Timers bug workaround E2 only. We need to set the entire ILT to
6128 * have entries with value "0" and valid bit on.
6129 * This needs to be done by the first PF that is loaded in a path
6130 * (i.e. common phase)
6131 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006132 if (!CHIP_IS_E1x(bp)) {
6133/* In E2 there is a bug in the timers block that can cause function 6 / 7
6134 * (i.e. vnic3) to start even if it is marked as "scan-off".
6135 * This occurs when a different function (func2,3) is being marked
6136 * as "scan-off". Real-life scenario for example: if a driver is being
6137 * load-unloaded while func6,7 are down. This will cause the timer to access
6138 * the ilt, translate to a logical address and send a request to read/write.
6139 * Since the ilt for the function that is down is not valid, this will cause
6140 * a translation error which is unrecoverable.
6141 * The Workaround is intended to make sure that when this happens nothing fatal
6142 * will occur. The workaround:
6143 * 1. First PF driver which loads on a path will:
6144 * a. After taking the chip out of reset, by using pretend,
6145 * it will write "0" to the following registers of
6146 * the other vnics.
6147 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6148 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6149 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6150 * And for itself it will write '1' to
6151 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6152 * dmae-operations (writing to pram for example.)
6153 * note: can be done for only function 6,7 but cleaner this
6154 * way.
6155 * b. Write zero+valid to the entire ILT.
6156 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6157 * VNIC3 (of that port). The range allocated will be the
6158 * entire ILT. This is needed to prevent ILT range error.
6159 * 2. Any PF driver load flow:
6160 * a. ILT update with the physical addresses of the allocated
6161 * logical pages.
6162 * b. Wait 20msec. - note that this timeout is needed to make
6163 * sure there are no requests in one of the PXP internal
6164 * queues with "old" ILT addresses.
6165 * c. PF enable in the PGLC.
6166 * d. Clear the was_error of the PF in the PGLC. (could have
6167 * occured while driver was down)
6168 * e. PF enable in the CFC (WEAK + STRONG)
6169 * f. Timers scan enable
6170 * 3. PF driver unload flow:
6171 * a. Clear the Timers scan_en.
6172 * b. Polling for scan_on=0 for that PF.
6173 * c. Clear the PF enable bit in the PXP.
6174 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6175 * e. Write zero+valid to all ILT entries (The valid bit must
6176 * stay set)
6177 * f. If this is VNIC 3 of a port then also init
6178 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6179 * to the last enrty in the ILT.
6180 *
6181 * Notes:
6182 * Currently the PF error in the PGLC is non recoverable.
6183 * In the future the there will be a recovery routine for this error.
6184 * Currently attention is masked.
6185 * Having an MCP lock on the load/unload process does not guarantee that
6186 * there is no Timer disable during Func6/7 enable. This is because the
6187 * Timers scan is currently being cleared by the MCP on FLR.
6188 * Step 2.d can be done only for PF6/7 and the driver can also check if
6189 * there is error before clearing it. But the flow above is simpler and
6190 * more general.
6191 * All ILT entries are written by zero+valid and not just PF6/7
6192 * ILT entries since in the future the ILT entries allocation for
6193 * PF-s might be dynamic.
6194 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006195 struct ilt_client_info ilt_cli;
6196 struct bnx2x_ilt ilt;
6197 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6198 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6199
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006200 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006201 ilt_cli.start = 0;
6202 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6203 ilt_cli.client_num = ILT_CLIENT_TM;
6204
6205 /* Step 1: set zeroes to all ilt page entries with valid bit on
6206 * Step 2: set the timers first/last ilt entry to point
6207 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006208 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006209 *
6210 * both steps performed by call to bnx2x_ilt_client_init_op()
6211 * with dummy TM client
6212 *
6213 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6214 * and his brother are split registers
6215 */
6216 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6217 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6218 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6219
6220 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6221 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6222 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6223 }
6224
6225
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006226 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6227 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006228
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006229 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006230 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6231 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006232 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006233
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006234 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006235
6236 /* let the HW do it's magic ... */
6237 do {
6238 msleep(200);
6239 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6240 } while (factor-- && (val != 1));
6241
6242 if (val != 1) {
6243 BNX2X_ERR("ATC_INIT failed\n");
6244 return -EBUSY;
6245 }
6246 }
6247
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006248 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006249
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006250 /* clean the DMAE memory */
6251 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006252 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006253
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006254 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6255
6256 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6257
6258 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6259
6260 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006261
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006262 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6263 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6264 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6265 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6266
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006267 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006268
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006269
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006270 /* QM queues pointers table */
6271 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006272
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006273 /* soft reset pulse */
6274 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6275 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006276
Michael Chan37b091b2009-10-10 13:46:55 +00006277#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006278 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006279#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006280
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006281 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006282 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006283 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006284 /* enable hw interrupt from doorbell Q */
6285 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006286
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006287 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006288
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006289 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006290 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006291
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006292 if (!CHIP_IS_E1(bp))
6293 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6294
6295 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp))
6296 /* Bit-map indicating which L2 hdrs may appear
6297 * after the basic Ethernet header
6298 */
6299 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6300 bp->path_has_ovlan ? 7 : 6);
6301
6302 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6303 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6304 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6305 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6306
6307 if (!CHIP_IS_E1x(bp)) {
6308 /* reset VFC memories */
6309 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6310 VFC_MEMORIES_RST_REG_CAM_RST |
6311 VFC_MEMORIES_RST_REG_RAM_RST);
6312 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6313 VFC_MEMORIES_RST_REG_CAM_RST |
6314 VFC_MEMORIES_RST_REG_RAM_RST);
6315
6316 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006317 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006318
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006319 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6320 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6321 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6322 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006323
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006324 /* sync semi rtc */
6325 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6326 0x80000000);
6327 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6328 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006329
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006330 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6331 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6332 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006333
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006334 if (!CHIP_IS_E1x(bp))
6335 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6336 bp->path_has_ovlan ? 7 : 6);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006337
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006338 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006339
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006340 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6341
Michael Chan37b091b2009-10-10 13:46:55 +00006342#ifdef BCM_CNIC
6343 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6344 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6345 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6346 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6347 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6348 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6349 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6350 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6351 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6352 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6353#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006354 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006355
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006356 if (sizeof(union cdu_context) != 1024)
6357 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006358 dev_alert(&bp->pdev->dev, "please adjust the size "
6359 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00006360 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006361
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006362 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006363 val = (4 << 24) + (0 << 12) + 1024;
6364 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006365
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006366 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006367 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006368 /* enable context validation interrupt from CFC */
6369 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6370
6371 /* set the thresholds to prevent CFC/CDU race */
6372 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006373
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006374 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006375
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006376 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006377 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6378
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006379 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6380 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006381
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006382 /* Reset PCIE errors for debug */
6383 REG_WR(bp, 0x2814, 0xffffffff);
6384 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006385
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006386 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006387 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6388 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6389 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6390 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6391 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6392 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6393 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6394 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6395 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6396 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6397 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6398 }
6399
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006400 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006401 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006402 /* in E3 this done in per-port section */
6403 if (!CHIP_IS_E3(bp))
6404 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6405 }
6406 if (CHIP_IS_E1H(bp))
6407 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006408 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006409
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006410 if (CHIP_REV_IS_SLOW(bp))
6411 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006412
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006413 /* finish CFC init */
6414 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6415 if (val != 1) {
6416 BNX2X_ERR("CFC LL_INIT failed\n");
6417 return -EBUSY;
6418 }
6419 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6420 if (val != 1) {
6421 BNX2X_ERR("CFC AC_INIT failed\n");
6422 return -EBUSY;
6423 }
6424 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6425 if (val != 1) {
6426 BNX2X_ERR("CFC CAM_INIT failed\n");
6427 return -EBUSY;
6428 }
6429 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006430
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006431 if (CHIP_IS_E1(bp)) {
6432 /* read NIG statistic
6433 to see if this is our first up since powerup */
6434 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6435 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006436
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006437 /* do internal memory self test */
6438 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6439 BNX2X_ERR("internal mem self test failed\n");
6440 return -EBUSY;
6441 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006442 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006443
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006444 bnx2x_setup_fan_failure_detection(bp);
6445
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006446 /* clear PXP2 attentions */
6447 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006448
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006449 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006450 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006451
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006452 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006453 if (CHIP_IS_E1x(bp))
6454 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006455 } else
6456 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6457
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006458 return 0;
6459}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006460
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006461/**
6462 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6463 *
6464 * @bp: driver handle
6465 */
6466static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6467{
6468 int rc = bnx2x_init_hw_common(bp);
6469
6470 if (rc)
6471 return rc;
6472
6473 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6474 if (!BP_NOMCP(bp))
6475 bnx2x__common_init_phy(bp);
6476
6477 return 0;
6478}
6479
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006480static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006481{
6482 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006483 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006484 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006485 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006486
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006487 bnx2x__link_reset(bp);
6488
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006489 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006490
6491 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006492
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006493 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6494 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6495 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006496
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006497 /* Timers bug workaround: disables the pf_master bit in pglue at
6498 * common phase, we need to enable it here before any dmae access are
6499 * attempted. Therefore we manually added the enable-master to the
6500 * port phase (it also happens in the function phase)
6501 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006502 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006503 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6504
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006505 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6506 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6507 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6508 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6509
6510 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6511 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6512 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6513 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006514
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006515 /* QM cid (connection) count */
6516 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006517
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006518#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006519 bnx2x_init_block(bp, BLOCK_TM, init_phase);
Michael Chan37b091b2009-10-10 13:46:55 +00006520 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6521 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006522#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006523
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006524 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006525
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006526 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006527 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6528
6529 if (IS_MF(bp))
6530 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6531 else if (bp->dev->mtu > 4096) {
6532 if (bp->flags & ONE_PORT_FLAG)
6533 low = 160;
6534 else {
6535 val = bp->dev->mtu;
6536 /* (24*1024 + val*4)/256 */
6537 low = 96 + (val/64) +
6538 ((val % 64) ? 1 : 0);
6539 }
6540 } else
6541 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6542 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006543 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6544 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6545 }
6546
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006547 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006548 REG_WR(bp, (BP_PORT(bp) ?
6549 BRB1_REG_MAC_GUARANTIED_1 :
6550 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006551
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006552
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006553 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
6554 if (CHIP_IS_E3B0(bp))
6555 /* Ovlan exists only if we are in multi-function +
6556 * switch-dependent mode, in switch-independent there
6557 * is no ovlan headers
6558 */
6559 REG_WR(bp, BP_PORT(bp) ?
6560 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6561 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6562 (bp->path_has_ovlan ? 7 : 6));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006563
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006564 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6565 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6566 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6567 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6568
6569 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6570 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6571 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6572 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6573
6574 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6575 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6576
6577 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6578
6579 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006580 /* configure PBF to work without PAUSE mtu 9000 */
6581 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006582
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006583 /* update threshold */
6584 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6585 /* update init credit */
6586 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006587
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006588 /* probe changes */
6589 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6590 udelay(50);
6591 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6592 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006593
Michael Chan37b091b2009-10-10 13:46:55 +00006594#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006595 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006596#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006597 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6598 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006599
6600 if (CHIP_IS_E1(bp)) {
6601 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6602 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6603 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006604 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006605
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006606 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006607
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006608 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006609 /* init aeu_mask_attn_func_0/1:
6610 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6611 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6612 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006613 val = IS_MF(bp) ? 0xF7 : 0x7;
6614 /* Enable DCBX attention for all but E1 */
6615 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6616 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006617
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006618 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006619
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006620 if (!CHIP_IS_E1x(bp)) {
6621 /* Bit-map indicating which L2 hdrs may appear after the
6622 * basic Ethernet header
6623 */
6624 REG_WR(bp, BP_PORT(bp) ?
6625 NIG_REG_P1_HDRS_AFTER_BASIC :
6626 NIG_REG_P0_HDRS_AFTER_BASIC,
6627 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006628
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006629 if (CHIP_IS_E3(bp))
6630 REG_WR(bp, BP_PORT(bp) ?
6631 NIG_REG_LLH1_MF_MODE :
6632 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6633 }
6634 if (!CHIP_IS_E3(bp))
6635 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006636
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006637 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006638 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006639 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006640 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006641
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006642 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006643 val = 0;
6644 switch (bp->mf_mode) {
6645 case MULTI_FUNCTION_SD:
6646 val = 1;
6647 break;
6648 case MULTI_FUNCTION_SI:
6649 val = 2;
6650 break;
6651 }
6652
6653 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6654 NIG_REG_LLH0_CLS_TYPE), val);
6655 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006656 {
6657 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6658 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6659 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6660 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006661 }
6662
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006663
6664 /* If SPIO5 is set to generate interrupts, enable it for this port */
6665 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6666 if (val & (1 << MISC_REGISTERS_SPIO_5)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006667 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6668 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6669 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006670 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006671 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006672 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006673
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006674 return 0;
6675}
6676
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006677static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6678{
6679 int reg;
6680
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006681 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006682 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006683 else
6684 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006685
6686 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
6687}
6688
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006689static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
6690{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006691 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006692}
6693
6694static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
6695{
6696 u32 i, base = FUNC_ILT_BASE(func);
6697 for (i = base; i < base + ILT_PER_FUNC; i++)
6698 bnx2x_ilt_wr(bp, i, 0);
6699}
6700
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006701static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006702{
6703 int port = BP_PORT(bp);
6704 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006705 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006706 struct bnx2x_ilt *ilt = BP_ILT(bp);
6707 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00006708 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00006709 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00006710 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006711
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006712 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006713
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006714 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00006715 if (!CHIP_IS_E1x(bp)) {
6716 rc = bnx2x_pf_flr_clnup(bp);
6717 if (rc)
6718 return rc;
6719 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006720
Eilon Greenstein8badd272009-02-12 08:36:15 +00006721 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006722 if (bp->common.int_block == INT_BLOCK_HC) {
6723 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
6724 val = REG_RD(bp, addr);
6725 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
6726 REG_WR(bp, addr, val);
6727 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00006728
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006729 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6730 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
6731
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006732 ilt = BP_ILT(bp);
6733 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006734
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006735 for (i = 0; i < L2_ILT_LINES(bp); i++) {
6736 ilt->lines[cdu_ilt_start + i].page =
6737 bp->context.vcxt + (ILT_PAGE_CIDS * i);
6738 ilt->lines[cdu_ilt_start + i].page_mapping =
6739 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
6740 /* cdu ilt pages are allocated manually so there's no need to
6741 set the size */
6742 }
6743 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006744
Michael Chan37b091b2009-10-10 13:46:55 +00006745#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006746 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00006747
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006748 /* T1 hash bits value determines the T1 number of entries */
6749 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00006750#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006751
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006752#ifndef BCM_CNIC
6753 /* set NIC mode */
6754 REG_WR(bp, PRS_REG_NIC_MODE, 1);
6755#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006756
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006757 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006758 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
6759
6760 /* Turn on a single ISR mode in IGU if driver is going to use
6761 * INT#x or MSI
6762 */
6763 if (!(bp->flags & USING_MSIX_FLAG))
6764 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
6765 /*
6766 * Timers workaround bug: function init part.
6767 * Need to wait 20msec after initializing ILT,
6768 * needed to make sure there are no requests in
6769 * one of the PXP internal queues with "old" ILT addresses
6770 */
6771 msleep(20);
6772 /*
6773 * Master enable - Due to WB DMAE writes performed before this
6774 * register is re-initialized as part of the regular function
6775 * init
6776 */
6777 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6778 /* Enable the function in IGU */
6779 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
6780 }
6781
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006782 bp->dmae_ready = 1;
6783
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006784 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006785
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006786 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006787 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
6788
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006789 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6790 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6791 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
6792 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
6793 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6794 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6795 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6796 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6797 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
6798 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6799 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6800 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6801 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006802
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006803 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006804 REG_WR(bp, QM_REG_PF_EN, 1);
6805
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006806 if (!CHIP_IS_E1x(bp)) {
6807 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6808 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6809 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6810 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6811 }
6812 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006813
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006814 bnx2x_init_block(bp, BLOCK_TM, init_phase);
6815 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
6816 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6817 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
6818 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6819 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6820 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6821 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6822 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6823 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6824 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6825 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006826 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
6827
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006828 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006829
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006830 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006831
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006832 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006833 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
6834
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006835 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006836 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006837 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006838 }
6839
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006840 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006841
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006842 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006843 if (bp->common.int_block == INT_BLOCK_HC) {
6844 if (CHIP_IS_E1H(bp)) {
6845 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
6846
6847 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6848 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6849 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006850 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006851
6852 } else {
6853 int num_segs, sb_idx, prod_offset;
6854
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006855 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
6856
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006857 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006858 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6859 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6860 }
6861
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006862 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006863
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006864 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006865 int dsb_idx = 0;
6866 /**
6867 * Producer memory:
6868 * E2 mode: address 0-135 match to the mapping memory;
6869 * 136 - PF0 default prod; 137 - PF1 default prod;
6870 * 138 - PF2 default prod; 139 - PF3 default prod;
6871 * 140 - PF0 attn prod; 141 - PF1 attn prod;
6872 * 142 - PF2 attn prod; 143 - PF3 attn prod;
6873 * 144-147 reserved.
6874 *
6875 * E1.5 mode - In backward compatible mode;
6876 * for non default SB; each even line in the memory
6877 * holds the U producer and each odd line hold
6878 * the C producer. The first 128 producers are for
6879 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
6880 * producers are for the DSB for each PF.
6881 * Each PF has five segments: (the order inside each
6882 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
6883 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
6884 * 144-147 attn prods;
6885 */
6886 /* non-default-status-blocks */
6887 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
6888 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
6889 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
6890 prod_offset = (bp->igu_base_sb + sb_idx) *
6891 num_segs;
6892
6893 for (i = 0; i < num_segs; i++) {
6894 addr = IGU_REG_PROD_CONS_MEMORY +
6895 (prod_offset + i) * 4;
6896 REG_WR(bp, addr, 0);
6897 }
6898 /* send consumer update with value 0 */
6899 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
6900 USTORM_ID, 0, IGU_INT_NOP, 1);
6901 bnx2x_igu_clear_sb(bp,
6902 bp->igu_base_sb + sb_idx);
6903 }
6904
6905 /* default-status-blocks */
6906 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
6907 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
6908
6909 if (CHIP_MODE_IS_4_PORT(bp))
6910 dsb_idx = BP_FUNC(bp);
6911 else
David S. Miller8decf862011-09-22 03:23:13 -04006912 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006913
6914 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
6915 IGU_BC_BASE_DSB_PROD + dsb_idx :
6916 IGU_NORM_BASE_DSB_PROD + dsb_idx);
6917
David S. Miller8decf862011-09-22 03:23:13 -04006918 /*
6919 * igu prods come in chunks of E1HVN_MAX (4) -
6920 * does not matters what is the current chip mode
6921 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006922 for (i = 0; i < (num_segs * E1HVN_MAX);
6923 i += E1HVN_MAX) {
6924 addr = IGU_REG_PROD_CONS_MEMORY +
6925 (prod_offset + i)*4;
6926 REG_WR(bp, addr, 0);
6927 }
6928 /* send consumer update with 0 */
6929 if (CHIP_INT_MODE_IS_BC(bp)) {
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 CSTORM_ID, 0, IGU_INT_NOP, 1);
6934 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6935 XSTORM_ID, 0, IGU_INT_NOP, 1);
6936 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6937 TSTORM_ID, 0, IGU_INT_NOP, 1);
6938 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6939 ATTENTION_ID, 0, IGU_INT_NOP, 1);
6940 } else {
6941 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6942 USTORM_ID, 0, IGU_INT_NOP, 1);
6943 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6944 ATTENTION_ID, 0, IGU_INT_NOP, 1);
6945 }
6946 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
6947
6948 /* !!! these should become driver const once
6949 rf-tool supports split-68 const */
6950 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
6951 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
6952 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
6953 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
6954 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
6955 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
6956 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006957 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006958
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006959 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006960 REG_WR(bp, 0x2114, 0xffffffff);
6961 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006962
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00006963 if (CHIP_IS_E1x(bp)) {
6964 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
6965 main_mem_base = HC_REG_MAIN_MEMORY +
6966 BP_PORT(bp) * (main_mem_size * 4);
6967 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
6968 main_mem_width = 8;
6969
6970 val = REG_RD(bp, main_mem_prty_clr);
6971 if (val)
6972 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
6973 "block during "
6974 "function init (0x%x)!\n", val);
6975
6976 /* Clear "false" parity errors in MSI-X table */
6977 for (i = main_mem_base;
6978 i < main_mem_base + main_mem_size * 4;
6979 i += main_mem_width) {
6980 bnx2x_read_dmae(bp, i, main_mem_width / 4);
6981 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
6982 i, main_mem_width / 4);
6983 }
6984 /* Clear HC parity attention */
6985 REG_RD(bp, main_mem_prty_clr);
6986 }
6987
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006988#ifdef BNX2X_STOP_ON_ERROR
6989 /* Enable STORMs SP logging */
6990 REG_WR8(bp, BAR_USTRORM_INTMEM +
6991 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6992 REG_WR8(bp, BAR_TSTRORM_INTMEM +
6993 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6994 REG_WR8(bp, BAR_CSTRORM_INTMEM +
6995 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6996 REG_WR8(bp, BAR_XSTRORM_INTMEM +
6997 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6998#endif
6999
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007000 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007001
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007002 return 0;
7003}
7004
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007005
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007006void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007007{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007008 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007009 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007010 /* end of fastpath */
7011
7012 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007013 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007014
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007015 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7016 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7017
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007018 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007019 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007020
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007021 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
7022 bp->context.size);
7023
7024 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7025
7026 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007027
Michael Chan37b091b2009-10-10 13:46:55 +00007028#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007029 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007030 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7031 sizeof(struct host_hc_status_block_e2));
7032 else
7033 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7034 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007035
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007036 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007037#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007038
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007039 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007040
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007041 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7042 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007043}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007044
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007045static inline int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
7046{
7047 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007048 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007049
Barak Witkowski50f0a562011-12-05 21:52:23 +00007050 /* number of queues for statistics is number of eth queues + FCoE */
7051 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007052
7053 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007054 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7055 * num of queues
7056 */
7057 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007058
7059
7060 /* Request is built from stats_query_header and an array of
7061 * stats_query_cmd_group each of which contains
7062 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7063 * configured in the stats_query_header.
7064 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007065 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7066 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007067
7068 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7069 num_groups * sizeof(struct stats_query_cmd_group);
7070
7071 /* Data for statistics requests + stats_conter
7072 *
7073 * stats_counter holds per-STORM counters that are incremented
7074 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007075 *
7076 * memory for FCoE offloaded statistics are counted anyway,
7077 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007078 */
7079 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7080 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007081 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007082 sizeof(struct per_queue_stats) * num_queue_stats +
7083 sizeof(struct stats_counter);
7084
7085 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7086 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7087
7088 /* Set shortcuts */
7089 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7090 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7091
7092 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7093 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7094
7095 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7096 bp->fw_stats_req_sz;
7097 return 0;
7098
7099alloc_mem_err:
7100 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7101 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7102 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007103}
7104
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007105
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007106int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007107{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007108#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007109 if (!CHIP_IS_E1x(bp))
7110 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007111 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7112 sizeof(struct host_hc_status_block_e2));
7113 else
7114 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
7115 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007116
7117 /* allocate searcher T2 table */
7118 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
7119#endif
7120
7121
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007122 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007123 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007124
7125 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7126 sizeof(struct bnx2x_slowpath));
7127
Mintz Yuval82fa8482012-02-15 02:10:29 +00007128#ifdef BCM_CNIC
7129 /* write address to which L5 should insert its values */
7130 bp->cnic_eth_dev.addr_drv_info_to_mcp = &bp->slowpath->drv_info_to_mcp;
7131#endif
7132
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007133 /* Allocated memory for FW statistics */
7134 if (bnx2x_alloc_fw_stats_mem(bp))
7135 goto alloc_mem_err;
7136
Ariel Elior6383c0b2011-07-14 08:31:57 +00007137 bp->context.size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007138
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007139 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
7140 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007141
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007142 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007143
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007144 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7145 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007146
7147 /* Slow path ring */
7148 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7149
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007150 /* EQ */
7151 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7152 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007153
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007154
7155 /* fastpath */
7156 /* need to be done at the end, since it's self adjusting to amount
7157 * of memory available for RSS queues
7158 */
7159 if (bnx2x_alloc_fp_mem(bp))
7160 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007161 return 0;
7162
7163alloc_mem_err:
7164 bnx2x_free_mem(bp);
7165 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007166}
7167
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007168/*
7169 * Init service functions
7170 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007171
7172int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7173 struct bnx2x_vlan_mac_obj *obj, bool set,
7174 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007175{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007176 int rc;
7177 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007178
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007179 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007180
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007181 /* Fill general parameters */
7182 ramrod_param.vlan_mac_obj = obj;
7183 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007184
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007185 /* Fill a user request section if needed */
7186 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7187 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007188
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007189 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007190
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007191 /* Set the command: ADD or DEL */
7192 if (set)
7193 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7194 else
7195 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007196 }
7197
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007198 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
7199 if (rc < 0)
7200 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
7201 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007202}
7203
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007204int bnx2x_del_all_macs(struct bnx2x *bp,
7205 struct bnx2x_vlan_mac_obj *mac_obj,
7206 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007207{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007208 int rc;
7209 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7210
7211 /* Wait for completion of requested */
7212 if (wait_for_comp)
7213 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7214
7215 /* Set the mac type of addresses we want to clear */
7216 __set_bit(mac_type, &vlan_mac_flags);
7217
7218 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7219 if (rc < 0)
7220 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7221
7222 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007223}
7224
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007225int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007226{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007227 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007228
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007229#ifdef BCM_CNIC
7230 if (is_zero_ether_addr(bp->dev->dev_addr) && IS_MF_ISCSI_SD(bp)) {
7231 DP(NETIF_MSG_IFUP, "Ignoring Zero MAC for iSCSI SD mode\n");
7232 return 0;
7233 }
7234#endif
7235
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007236 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007237
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007238 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7239 /* Eth MAC is set on RSS leading client (fp[0]) */
7240 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->fp->mac_obj, set,
7241 BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007242}
7243
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007244int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007245{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007246 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007247}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007248
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007249/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007250 * bnx2x_set_int_mode - configure interrupt mode
7251 *
7252 * @bp: driver handle
7253 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007254 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007255 */
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007256static void __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007257{
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007258 switch (int_mode) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007259 case INT_MODE_MSI:
7260 bnx2x_enable_msi(bp);
7261 /* falling through... */
7262 case INT_MODE_INTx:
Ariel Elior6383c0b2011-07-14 08:31:57 +00007263 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007264 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007265 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007266 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007267 /* Set number of queues according to bp->multi_mode value */
7268 bnx2x_set_num_queues(bp);
7269
7270 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
7271 bp->num_queues);
7272
7273 /* if we can't use MSI-X we only need one fp,
7274 * so try to enable MSI-X with the requested number of fp's
7275 * and fallback to MSI or legacy INTx with one fp
7276 */
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007277 if (bnx2x_enable_msix(bp)) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007278 /* failed to enable MSI-X */
7279 if (bp->multi_mode)
7280 DP(NETIF_MSG_IFUP,
7281 "Multi requested but failed to "
7282 "enable MSI-X (%d), "
7283 "set number of queues to %d\n",
7284 bp->num_queues,
Ariel Elior6383c0b2011-07-14 08:31:57 +00007285 1 + NON_ETH_CONTEXT_USE);
7286 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007287
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007288 /* Try to enable MSI */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007289 if (!(bp->flags & DISABLE_MSI_FLAG))
7290 bnx2x_enable_msi(bp);
7291 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007292 break;
7293 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007294}
7295
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007296/* must be called prioir to any HW initializations */
7297static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7298{
7299 return L2_ILT_LINES(bp);
7300}
7301
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007302void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007303{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007304 struct ilt_client_info *ilt_client;
7305 struct bnx2x_ilt *ilt = BP_ILT(bp);
7306 u16 line = 0;
7307
7308 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7309 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7310
7311 /* CDU */
7312 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7313 ilt_client->client_num = ILT_CLIENT_CDU;
7314 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7315 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7316 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007317 line += bnx2x_cid_ilt_lines(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007318#ifdef BCM_CNIC
7319 line += CNIC_ILT_LINES;
7320#endif
7321 ilt_client->end = line - 1;
7322
7323 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
7324 "flags 0x%x, hw psz %d\n",
7325 ilt_client->start,
7326 ilt_client->end,
7327 ilt_client->page_size,
7328 ilt_client->flags,
7329 ilog2(ilt_client->page_size >> 12));
7330
7331 /* QM */
7332 if (QM_INIT(bp->qm_cid_count)) {
7333 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7334 ilt_client->client_num = ILT_CLIENT_QM;
7335 ilt_client->page_size = QM_ILT_PAGE_SZ;
7336 ilt_client->flags = 0;
7337 ilt_client->start = line;
7338
7339 /* 4 bytes for each cid */
7340 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7341 QM_ILT_PAGE_SZ);
7342
7343 ilt_client->end = line - 1;
7344
7345 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
7346 "flags 0x%x, hw psz %d\n",
7347 ilt_client->start,
7348 ilt_client->end,
7349 ilt_client->page_size,
7350 ilt_client->flags,
7351 ilog2(ilt_client->page_size >> 12));
7352
7353 }
7354 /* SRC */
7355 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7356#ifdef BCM_CNIC
7357 ilt_client->client_num = ILT_CLIENT_SRC;
7358 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7359 ilt_client->flags = 0;
7360 ilt_client->start = line;
7361 line += SRC_ILT_LINES;
7362 ilt_client->end = line - 1;
7363
7364 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
7365 "flags 0x%x, hw psz %d\n",
7366 ilt_client->start,
7367 ilt_client->end,
7368 ilt_client->page_size,
7369 ilt_client->flags,
7370 ilog2(ilt_client->page_size >> 12));
7371
7372#else
7373 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7374#endif
7375
7376 /* TM */
7377 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7378#ifdef BCM_CNIC
7379 ilt_client->client_num = ILT_CLIENT_TM;
7380 ilt_client->page_size = TM_ILT_PAGE_SZ;
7381 ilt_client->flags = 0;
7382 ilt_client->start = line;
7383 line += TM_ILT_LINES;
7384 ilt_client->end = line - 1;
7385
7386 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
7387 "flags 0x%x, hw psz %d\n",
7388 ilt_client->start,
7389 ilt_client->end,
7390 ilt_client->page_size,
7391 ilt_client->flags,
7392 ilog2(ilt_client->page_size >> 12));
7393
7394#else
7395 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7396#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007397 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007398}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007399
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007400/**
7401 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7402 *
7403 * @bp: driver handle
7404 * @fp: pointer to fastpath
7405 * @init_params: pointer to parameters structure
7406 *
7407 * parameters configured:
7408 * - HC configuration
7409 * - Queue's CDU context
7410 */
7411static inline void bnx2x_pf_q_prep_init(struct bnx2x *bp,
7412 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007413{
Ariel Elior6383c0b2011-07-14 08:31:57 +00007414
7415 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007416 /* FCoE Queue uses Default SB, thus has no HC capabilities */
7417 if (!IS_FCOE_FP(fp)) {
7418 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
7419 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
7420
7421 /* If HC is supporterd, enable host coalescing in the transition
7422 * to INIT state.
7423 */
7424 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
7425 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
7426
7427 /* HC rate */
7428 init_params->rx.hc_rate = bp->rx_ticks ?
7429 (1000000 / bp->rx_ticks) : 0;
7430 init_params->tx.hc_rate = bp->tx_ticks ?
7431 (1000000 / bp->tx_ticks) : 0;
7432
7433 /* FW SB ID */
7434 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
7435 fp->fw_sb_id;
7436
7437 /*
7438 * CQ index among the SB indices: FCoE clients uses the default
7439 * SB, therefore it's different.
7440 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007441 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
7442 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007443 }
7444
Ariel Elior6383c0b2011-07-14 08:31:57 +00007445 /* set maximum number of COSs supported by this queue */
7446 init_params->max_cos = fp->max_cos;
7447
Joe Perches94f05b02011-08-14 12:16:20 +00007448 DP(BNX2X_MSG_SP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007449 fp->index, init_params->max_cos);
7450
7451 /* set the context pointers queue object */
7452 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++)
7453 init_params->cxts[cos] =
7454 &bp->context.vcxt[fp->txdata[cos].cid].eth;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007455}
7456
Ariel Elior6383c0b2011-07-14 08:31:57 +00007457int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7458 struct bnx2x_queue_state_params *q_params,
7459 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
7460 int tx_index, bool leading)
7461{
7462 memset(tx_only_params, 0, sizeof(*tx_only_params));
7463
7464 /* Set the command */
7465 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
7466
7467 /* Set tx-only QUEUE flags: don't zero statistics */
7468 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
7469
7470 /* choose the index of the cid to send the slow path on */
7471 tx_only_params->cid_index = tx_index;
7472
7473 /* Set general TX_ONLY_SETUP parameters */
7474 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
7475
7476 /* Set Tx TX_ONLY_SETUP parameters */
7477 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
7478
7479 DP(BNX2X_MSG_SP, "preparing to send tx-only ramrod for connection:"
7480 "cos %d, primary cid %d, cid %d, "
Joe Perches94f05b02011-08-14 12:16:20 +00007481 "client id %d, sp-client id %d, flags %lx\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007482 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
7483 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
7484 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
7485
7486 /* send the ramrod */
7487 return bnx2x_queue_state_change(bp, q_params);
7488}
7489
7490
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007491/**
7492 * bnx2x_setup_queue - setup queue
7493 *
7494 * @bp: driver handle
7495 * @fp: pointer to fastpath
7496 * @leading: is leading
7497 *
7498 * This function performs 2 steps in a Queue state machine
7499 * actually: 1) RESET->INIT 2) INIT->SETUP
7500 */
7501
7502int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7503 bool leading)
7504{
7505 struct bnx2x_queue_state_params q_params = {0};
7506 struct bnx2x_queue_setup_params *setup_params =
7507 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007508 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
7509 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007510 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007511 u8 tx_index;
7512
Joe Perches94f05b02011-08-14 12:16:20 +00007513 DP(BNX2X_MSG_SP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007514
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007515 /* reset IGU state skip FCoE L2 queue */
7516 if (!IS_FCOE_FP(fp))
7517 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007518 IGU_INT_ENABLE, 0);
7519
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007520 q_params.q_obj = &fp->q_obj;
7521 /* We want to wait for completion in this context */
7522 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007523
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007524 /* Prepare the INIT parameters */
7525 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007526
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007527 /* Set the command */
7528 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007529
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007530 /* Change the state to INIT */
7531 rc = bnx2x_queue_state_change(bp, &q_params);
7532 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00007533 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007534 return rc;
7535 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007536
Joe Perches94f05b02011-08-14 12:16:20 +00007537 DP(BNX2X_MSG_SP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00007538
7539
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007540 /* Now move the Queue to the SETUP state... */
7541 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007542
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007543 /* Set QUEUE flags */
7544 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007545
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007546 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007547 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
7548 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007549
Ariel Elior6383c0b2011-07-14 08:31:57 +00007550 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007551 &setup_params->rxq_params);
7552
Ariel Elior6383c0b2011-07-14 08:31:57 +00007553 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
7554 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007555
7556 /* Set the command */
7557 q_params.cmd = BNX2X_Q_CMD_SETUP;
7558
7559 /* Change the state to SETUP */
7560 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007561 if (rc) {
7562 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
7563 return rc;
7564 }
7565
7566 /* loop through the relevant tx-only indices */
7567 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7568 tx_index < fp->max_cos;
7569 tx_index++) {
7570
7571 /* prepare and send tx-only ramrod*/
7572 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
7573 tx_only_params, tx_index, leading);
7574 if (rc) {
7575 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
7576 fp->index, tx_index);
7577 return rc;
7578 }
7579 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007580
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007581 return rc;
7582}
7583
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007584static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007585{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007586 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007587 struct bnx2x_fp_txdata *txdata;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007588 struct bnx2x_queue_state_params q_params = {0};
Ariel Elior6383c0b2011-07-14 08:31:57 +00007589 int rc, tx_index;
7590
Joe Perches94f05b02011-08-14 12:16:20 +00007591 DP(BNX2X_MSG_SP, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007592
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007593 q_params.q_obj = &fp->q_obj;
7594 /* We want to wait for completion in this context */
7595 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007596
Ariel Elior6383c0b2011-07-14 08:31:57 +00007597
7598 /* close tx-only connections */
7599 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7600 tx_index < fp->max_cos;
7601 tx_index++){
7602
7603 /* ascertain this is a normal queue*/
7604 txdata = &fp->txdata[tx_index];
7605
Joe Perches94f05b02011-08-14 12:16:20 +00007606 DP(BNX2X_MSG_SP, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007607 txdata->txq_index);
7608
7609 /* send halt terminate on tx-only connection */
7610 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
7611 memset(&q_params.params.terminate, 0,
7612 sizeof(q_params.params.terminate));
7613 q_params.params.terminate.cid_index = tx_index;
7614
7615 rc = bnx2x_queue_state_change(bp, &q_params);
7616 if (rc)
7617 return rc;
7618
7619 /* send halt terminate on tx-only connection */
7620 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
7621 memset(&q_params.params.cfc_del, 0,
7622 sizeof(q_params.params.cfc_del));
7623 q_params.params.cfc_del.cid_index = tx_index;
7624 rc = bnx2x_queue_state_change(bp, &q_params);
7625 if (rc)
7626 return rc;
7627 }
7628 /* Stop the primary connection: */
7629 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007630 q_params.cmd = BNX2X_Q_CMD_HALT;
7631 rc = bnx2x_queue_state_change(bp, &q_params);
7632 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007633 return rc;
7634
Ariel Elior6383c0b2011-07-14 08:31:57 +00007635 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007636 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007637 memset(&q_params.params.terminate, 0,
7638 sizeof(q_params.params.terminate));
7639 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007640 rc = bnx2x_queue_state_change(bp, &q_params);
7641 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007642 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007643 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007644 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007645 memset(&q_params.params.cfc_del, 0,
7646 sizeof(q_params.params.cfc_del));
7647 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007648 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007649}
7650
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007651
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007652static void bnx2x_reset_func(struct bnx2x *bp)
7653{
7654 int port = BP_PORT(bp);
7655 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007656 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007657
7658 /* Disable the function in the FW */
7659 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
7660 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
7661 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
7662 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
7663
7664 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007665 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007666 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007667 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00007668 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
7669 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007670 }
7671
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007672#ifdef BCM_CNIC
7673 /* CNIC SB */
7674 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7675 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(bnx2x_cnic_fw_sb_id(bp)),
7676 SB_DISABLED);
7677#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007678 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007679 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00007680 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
7681 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007682
7683 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
7684 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
7685 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08007686
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007687 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007688 if (bp->common.int_block == INT_BLOCK_HC) {
7689 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7690 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7691 } else {
7692 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7693 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7694 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007695
Michael Chan37b091b2009-10-10 13:46:55 +00007696#ifdef BCM_CNIC
7697 /* Disable Timer scan */
7698 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
7699 /*
7700 * Wait for at least 10ms and up to 2 second for the timers scan to
7701 * complete
7702 */
7703 for (i = 0; i < 200; i++) {
7704 msleep(10);
7705 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
7706 break;
7707 }
7708#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007709 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007710 bnx2x_clear_func_ilt(bp, func);
7711
7712 /* Timers workaround bug for E2: if this is vnic-3,
7713 * we need to set the entire ilt range for this timers.
7714 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007715 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007716 struct ilt_client_info ilt_cli;
7717 /* use dummy TM client */
7718 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7719 ilt_cli.start = 0;
7720 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7721 ilt_cli.client_num = ILT_CLIENT_TM;
7722
7723 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7724 }
7725
7726 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007727 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007728 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007729
7730 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007731}
7732
7733static void bnx2x_reset_port(struct bnx2x *bp)
7734{
7735 int port = BP_PORT(bp);
7736 u32 val;
7737
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007738 /* Reset physical Link */
7739 bnx2x__link_reset(bp);
7740
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007741 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7742
7743 /* Do not rcv packets to BRB */
7744 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7745 /* Do not direct rcv packets that are not for MCP to the BRB */
7746 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7747 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7748
7749 /* Configure AEU */
7750 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7751
7752 msleep(100);
7753 /* Check for BRB port occupancy */
7754 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7755 if (val)
7756 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007757 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007758
7759 /* TODO: Close Doorbell port? */
7760}
7761
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007762static inline int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007763{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007764 struct bnx2x_func_state_params func_params = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007765
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007766 /* Prepare parameters for function state transitions */
7767 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007768
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007769 func_params.f_obj = &bp->func_obj;
7770 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007771
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007772 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007773
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007774 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007775}
7776
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007777static inline int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007778{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007779 struct bnx2x_func_state_params func_params = {0};
7780 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007781
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007782 /* Prepare parameters for function state transitions */
7783 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
7784 func_params.f_obj = &bp->func_obj;
7785 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007786
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007787 /*
7788 * Try to stop the function the 'good way'. If fails (in case
7789 * of a parity error during bnx2x_chip_cleanup()) and we are
7790 * not in a debug mode, perform a state transaction in order to
7791 * enable further HW_RESET transaction.
7792 */
7793 rc = bnx2x_func_state_change(bp, &func_params);
7794 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007795#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007796 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007797#else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007798 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry "
7799 "transaction\n");
7800 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
7801 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007802#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007803 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007804
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007805 return 0;
7806}
Yitchak Gertner65abd742008-08-25 15:26:24 -07007807
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007808/**
7809 * bnx2x_send_unload_req - request unload mode from the MCP.
7810 *
7811 * @bp: driver handle
7812 * @unload_mode: requested function's unload mode
7813 *
7814 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
7815 */
7816u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
7817{
7818 u32 reset_code = 0;
7819 int port = BP_PORT(bp);
7820
7821 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007822 if (unload_mode == UNLOAD_NORMAL)
7823 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007824
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007825 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007826 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007827
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007828 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007829 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007830 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007831 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04007832 u16 pmc;
7833
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007834 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04007835 * preserve entry 0 which is used by the PMF
7836 */
David S. Miller8decf862011-09-22 03:23:13 -04007837 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007838
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007839 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007840 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007841
7842 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7843 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007844 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007845
David S. Miller88c51002011-10-07 13:38:43 -04007846 /* Enable the PME and clear the status */
7847 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
7848 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
7849 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
7850
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007851 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007852
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007853 } else
7854 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7855
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007856 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007857 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007858 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007859 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007860 int path = BP_PATH(bp);
7861
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007862 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007863 "%d, %d, %d\n",
7864 path, load_count[path][0], load_count[path][1],
7865 load_count[path][2]);
7866 load_count[path][0]--;
7867 load_count[path][1 + port]--;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007868 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007869 "%d, %d, %d\n",
7870 path, load_count[path][0], load_count[path][1],
7871 load_count[path][2]);
7872 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007873 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007874 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007875 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7876 else
7877 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7878 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007879
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007880 return reset_code;
7881}
7882
7883/**
7884 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
7885 *
7886 * @bp: driver handle
7887 */
7888void bnx2x_send_unload_done(struct bnx2x *bp)
7889{
7890 /* Report UNLOAD_DONE to MCP */
7891 if (!BP_NOMCP(bp))
7892 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7893}
7894
Dmitry Kravkov6debea82011-07-19 01:42:04 +00007895static inline int bnx2x_func_wait_started(struct bnx2x *bp)
7896{
7897 int tout = 50;
7898 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
7899
7900 if (!bp->port.pmf)
7901 return 0;
7902
7903 /*
7904 * (assumption: No Attention from MCP at this stage)
7905 * PMF probably in the middle of TXdisable/enable transaction
7906 * 1. Sync IRS for default SB
7907 * 2. Sync SP queue - this guarantes us that attention handling started
7908 * 3. Wait, that TXdisable/enable transaction completes
7909 *
7910 * 1+2 guranty that if DCBx attention was scheduled it already changed
7911 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
7912 * received complettion for the transaction the state is TX_STOPPED.
7913 * State will return to STARTED after completion of TX_STOPPED-->STARTED
7914 * transaction.
7915 */
7916
7917 /* make sure default SB ISR is done */
7918 if (msix)
7919 synchronize_irq(bp->msix_table[0].vector);
7920 else
7921 synchronize_irq(bp->pdev->irq);
7922
7923 flush_workqueue(bnx2x_wq);
7924
7925 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
7926 BNX2X_F_STATE_STARTED && tout--)
7927 msleep(20);
7928
7929 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
7930 BNX2X_F_STATE_STARTED) {
7931#ifdef BNX2X_STOP_ON_ERROR
7932 return -EBUSY;
7933#else
7934 /*
7935 * Failed to complete the transaction in a "good way"
7936 * Force both transactions with CLR bit
7937 */
7938 struct bnx2x_func_state_params func_params = {0};
7939
7940 DP(BNX2X_MSG_SP, "Hmmm... unexpected function state! "
7941 "Forcing STARTED-->TX_ST0PPED-->STARTED\n");
7942
7943 func_params.f_obj = &bp->func_obj;
7944 __set_bit(RAMROD_DRV_CLR_ONLY,
7945 &func_params.ramrod_flags);
7946
7947 /* STARTED-->TX_ST0PPED */
7948 func_params.cmd = BNX2X_F_CMD_TX_STOP;
7949 bnx2x_func_state_change(bp, &func_params);
7950
7951 /* TX_ST0PPED-->STARTED */
7952 func_params.cmd = BNX2X_F_CMD_TX_START;
7953 return bnx2x_func_state_change(bp, &func_params);
7954#endif
7955 }
7956
7957 return 0;
7958}
7959
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007960void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
7961{
7962 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007963 int i, rc = 0;
7964 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007965 struct bnx2x_mcast_ramrod_params rparam = {0};
7966 u32 reset_code;
7967
7968 /* Wait until tx fastpath tasks complete */
7969 for_each_tx_queue(bp, i) {
7970 struct bnx2x_fastpath *fp = &bp->fp[i];
7971
Ariel Elior6383c0b2011-07-14 08:31:57 +00007972 for_each_cos_in_tx_queue(fp, cos)
7973 rc = bnx2x_clean_tx_queue(bp, &fp->txdata[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007974#ifdef BNX2X_STOP_ON_ERROR
7975 if (rc)
7976 return;
7977#endif
7978 }
7979
7980 /* Give HW time to discard old tx messages */
7981 usleep_range(1000, 1000);
7982
7983 /* Clean all ETH MACs */
7984 rc = bnx2x_del_all_macs(bp, &bp->fp[0].mac_obj, BNX2X_ETH_MAC, false);
7985 if (rc < 0)
7986 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
7987
7988 /* Clean up UC list */
7989 rc = bnx2x_del_all_macs(bp, &bp->fp[0].mac_obj, BNX2X_UC_LIST_MAC,
7990 true);
7991 if (rc < 0)
7992 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: "
7993 "%d\n", rc);
7994
7995 /* Disable LLH */
7996 if (!CHIP_IS_E1(bp))
7997 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7998
7999 /* Set "drop all" (stop Rx).
8000 * We need to take a netif_addr_lock() here in order to prevent
8001 * a race between the completion code and this code.
8002 */
8003 netif_addr_lock_bh(bp->dev);
8004 /* Schedule the rx_mode command */
8005 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
8006 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
8007 else
8008 bnx2x_set_storm_rx_mode(bp);
8009
8010 /* Cleanup multicast configuration */
8011 rparam.mcast_obj = &bp->mcast_obj;
8012 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8013 if (rc < 0)
8014 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8015
8016 netif_addr_unlock_bh(bp->dev);
8017
8018
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008019
8020 /*
8021 * Send the UNLOAD_REQUEST to the MCP. This will return if
8022 * this function should perform FUNC, PORT or COMMON HW
8023 * reset.
8024 */
8025 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8026
8027 /*
8028 * (assumption: No Attention from MCP at this stage)
8029 * PMF probably in the middle of TXdisable/enable transaction
8030 */
8031 rc = bnx2x_func_wait_started(bp);
8032 if (rc) {
8033 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8034#ifdef BNX2X_STOP_ON_ERROR
8035 return;
8036#endif
8037 }
8038
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008039 /* Close multi and leading connections
8040 * Completions for ramrods are collected in a synchronous way
8041 */
8042 for_each_queue(bp, i)
8043 if (bnx2x_stop_queue(bp, i))
8044#ifdef BNX2X_STOP_ON_ERROR
8045 return;
8046#else
8047 goto unload_error;
8048#endif
8049 /* If SP settings didn't get completed so far - something
8050 * very wrong has happen.
8051 */
8052 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8053 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8054
8055#ifndef BNX2X_STOP_ON_ERROR
8056unload_error:
8057#endif
8058 rc = bnx2x_func_stop(bp);
8059 if (rc) {
8060 BNX2X_ERR("Function stop failed!\n");
8061#ifdef BNX2X_STOP_ON_ERROR
8062 return;
8063#endif
8064 }
8065
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008066 /* Disable HW interrupts, NAPI */
8067 bnx2x_netif_stop(bp, 1);
8068
8069 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008070 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008071
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008072 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008073 rc = bnx2x_reset_hw(bp, reset_code);
8074 if (rc)
8075 BNX2X_ERR("HW_RESET failed\n");
8076
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008077
8078 /* Report UNLOAD_DONE to MCP */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008079 bnx2x_send_unload_done(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008080}
8081
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008082void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008083{
8084 u32 val;
8085
8086 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
8087
8088 if (CHIP_IS_E1(bp)) {
8089 int port = BP_PORT(bp);
8090 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8091 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8092
8093 val = REG_RD(bp, addr);
8094 val &= ~(0x300);
8095 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008096 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008097 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8098 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8099 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8100 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8101 }
8102}
8103
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008104/* Close gates #2, #3 and #4: */
8105static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8106{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008107 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008108
8109 /* Gates #2 and #4a are closed/opened for "not E1" only */
8110 if (!CHIP_IS_E1(bp)) {
8111 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008112 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008113 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008114 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008115 }
8116
8117 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008118 if (CHIP_IS_E1x(bp)) {
8119 /* Prevent interrupts from HC on both ports */
8120 val = REG_RD(bp, HC_REG_CONFIG_1);
8121 REG_WR(bp, HC_REG_CONFIG_1,
8122 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8123 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8124
8125 val = REG_RD(bp, HC_REG_CONFIG_0);
8126 REG_WR(bp, HC_REG_CONFIG_0,
8127 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8128 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8129 } else {
8130 /* Prevent incomming interrupts in IGU */
8131 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8132
8133 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8134 (!close) ?
8135 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8136 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8137 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008138
8139 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
8140 close ? "closing" : "opening");
8141 mmiowb();
8142}
8143
8144#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8145
8146static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8147{
8148 /* Do some magic... */
8149 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8150 *magic_val = val & SHARED_MF_CLP_MAGIC;
8151 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8152}
8153
Dmitry Kravkove8920672011-05-04 23:52:40 +00008154/**
8155 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008156 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008157 * @bp: driver handle
8158 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008159 */
8160static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8161{
8162 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008163 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8164 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8165 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8166}
8167
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008168/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008169 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008170 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008171 * @bp: driver handle
8172 * @magic_val: old value of 'magic' bit.
8173 *
8174 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008175 */
8176static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8177{
8178 u32 shmem;
8179 u32 validity_offset;
8180
8181 DP(NETIF_MSG_HW, "Starting\n");
8182
8183 /* Set `magic' bit in order to save MF config */
8184 if (!CHIP_IS_E1(bp))
8185 bnx2x_clp_reset_prep(bp, magic_val);
8186
8187 /* Get shmem offset */
8188 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8189 validity_offset = offsetof(struct shmem_region, validity_map[0]);
8190
8191 /* Clear validity map flags */
8192 if (shmem > 0)
8193 REG_WR(bp, shmem + validity_offset, 0);
8194}
8195
8196#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8197#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8198
Dmitry Kravkove8920672011-05-04 23:52:40 +00008199/**
8200 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008201 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008202 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008203 */
8204static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
8205{
8206 /* special handling for emulation and FPGA,
8207 wait 10 times longer */
8208 if (CHIP_REV_IS_SLOW(bp))
8209 msleep(MCP_ONE_TIMEOUT*10);
8210 else
8211 msleep(MCP_ONE_TIMEOUT);
8212}
8213
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008214/*
8215 * initializes bp->common.shmem_base and waits for validity signature to appear
8216 */
8217static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008218{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008219 int cnt = 0;
8220 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008221
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008222 do {
8223 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8224 if (bp->common.shmem_base) {
8225 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8226 if (val & SHR_MEM_VALIDITY_MB)
8227 return 0;
8228 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008229
8230 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008231
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008232 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008233
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008234 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008235
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008236 return -ENODEV;
8237}
8238
8239static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8240{
8241 int rc = bnx2x_init_shmem(bp);
8242
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008243 /* Restore the `magic' bit value */
8244 if (!CHIP_IS_E1(bp))
8245 bnx2x_clp_reset_done(bp, magic_val);
8246
8247 return rc;
8248}
8249
8250static void bnx2x_pxp_prep(struct bnx2x *bp)
8251{
8252 if (!CHIP_IS_E1(bp)) {
8253 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8254 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008255 mmiowb();
8256 }
8257}
8258
8259/*
8260 * Reset the whole chip except for:
8261 * - PCIE core
8262 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8263 * one reset bit)
8264 * - IGU
8265 * - MISC (including AEU)
8266 * - GRC
8267 * - RBCN, RBCP
8268 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008269static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008270{
8271 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008272 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008273
8274 /*
8275 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8276 * (per chip) blocks.
8277 */
8278 global_bits2 =
8279 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8280 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008281
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008282 /* Don't reset the following blocks */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008283 not_reset_mask1 =
8284 MISC_REGISTERS_RESET_REG_1_RST_HC |
8285 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8286 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8287
8288 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008289 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008290 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8291 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8292 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8293 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8294 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8295 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008296 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8297 MISC_REGISTERS_RESET_REG_2_RST_ATC |
8298 MISC_REGISTERS_RESET_REG_2_PGLC;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008299
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008300 /*
8301 * Keep the following blocks in reset:
8302 * - all xxMACs are handled by the bnx2x_link code.
8303 */
8304 stay_reset2 =
8305 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
8306 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
8307 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
8308 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
8309 MISC_REGISTERS_RESET_REG_2_UMAC0 |
8310 MISC_REGISTERS_RESET_REG_2_UMAC1 |
8311 MISC_REGISTERS_RESET_REG_2_XMAC |
8312 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8313
8314 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008315 reset_mask1 = 0xffffffff;
8316
8317 if (CHIP_IS_E1(bp))
8318 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008319 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008320 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008321 else if (CHIP_IS_E2(bp))
8322 reset_mask2 = 0xfffff;
8323 else /* CHIP_IS_E3 */
8324 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008325
8326 /* Don't reset global blocks unless we need to */
8327 if (!global)
8328 reset_mask2 &= ~global_bits2;
8329
8330 /*
8331 * In case of attention in the QM, we need to reset PXP
8332 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8333 * because otherwise QM reset would release 'close the gates' shortly
8334 * before resetting the PXP, then the PSWRQ would send a write
8335 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8336 * read the payload data from PSWWR, but PSWWR would not
8337 * respond. The write queue in PGLUE would stuck, dmae commands
8338 * would not return. Therefore it's important to reset the second
8339 * reset register (containing the
8340 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8341 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8342 * bit).
8343 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008344 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8345 reset_mask2 & (~not_reset_mask2));
8346
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008347 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8348 reset_mask1 & (~not_reset_mask1));
8349
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008350 barrier();
8351 mmiowb();
8352
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008353 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8354 reset_mask2 & (~stay_reset2));
8355
8356 barrier();
8357 mmiowb();
8358
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008359 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008360 mmiowb();
8361}
8362
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008363/**
8364 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8365 * It should get cleared in no more than 1s.
8366 *
8367 * @bp: driver handle
8368 *
8369 * It should get cleared in no more than 1s. Returns 0 if
8370 * pending writes bit gets cleared.
8371 */
8372static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8373{
8374 u32 cnt = 1000;
8375 u32 pend_bits = 0;
8376
8377 do {
8378 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8379
8380 if (pend_bits == 0)
8381 break;
8382
8383 usleep_range(1000, 1000);
8384 } while (cnt-- > 0);
8385
8386 if (cnt <= 0) {
8387 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
8388 pend_bits);
8389 return -EBUSY;
8390 }
8391
8392 return 0;
8393}
8394
8395static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008396{
8397 int cnt = 1000;
8398 u32 val = 0;
8399 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
8400
8401
8402 /* Empty the Tetris buffer, wait for 1s */
8403 do {
8404 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
8405 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
8406 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
8407 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
8408 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
8409 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
8410 ((port_is_idle_0 & 0x1) == 0x1) &&
8411 ((port_is_idle_1 & 0x1) == 0x1) &&
8412 (pgl_exp_rom2 == 0xffffffff))
8413 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008414 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008415 } while (cnt-- > 0);
8416
8417 if (cnt <= 0) {
8418 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
8419 " are still"
8420 " outstanding read requests after 1s!\n");
8421 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
8422 " port_is_idle_0=0x%08x,"
8423 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
8424 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
8425 pgl_exp_rom2);
8426 return -EAGAIN;
8427 }
8428
8429 barrier();
8430
8431 /* Close gates #2, #3 and #4 */
8432 bnx2x_set_234_gates(bp, true);
8433
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008434 /* Poll for IGU VQs for 57712 and newer chips */
8435 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
8436 return -EAGAIN;
8437
8438
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008439 /* TBD: Indicate that "process kill" is in progress to MCP */
8440
8441 /* Clear "unprepared" bit */
8442 REG_WR(bp, MISC_REG_UNPREPARED, 0);
8443 barrier();
8444
8445 /* Make sure all is written to the chip before the reset */
8446 mmiowb();
8447
8448 /* Wait for 1ms to empty GLUE and PCI-E core queues,
8449 * PSWHST, GRC and PSWRD Tetris buffer.
8450 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008451 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008452
8453 /* Prepare to chip reset: */
8454 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008455 if (global)
8456 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008457
8458 /* PXP */
8459 bnx2x_pxp_prep(bp);
8460 barrier();
8461
8462 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008463 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008464 barrier();
8465
8466 /* Recover after reset: */
8467 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008468 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008469 return -EAGAIN;
8470
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008471 /* TBD: Add resetting the NO_MCP mode DB here */
8472
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008473 /* PXP */
8474 bnx2x_pxp_prep(bp);
8475
8476 /* Open the gates #2, #3 and #4 */
8477 bnx2x_set_234_gates(bp, false);
8478
8479 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
8480 * reset state, re-enable attentions. */
8481
8482 return 0;
8483}
8484
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008485int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008486{
8487 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008488 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00008489 u32 load_code;
8490
8491 /* if not going to reset MCP - load "fake" driver to reset HW while
8492 * driver is owner of the HW
8493 */
8494 if (!global && !BP_NOMCP(bp)) {
8495 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ, 0);
8496 if (!load_code) {
8497 BNX2X_ERR("MCP response failure, aborting\n");
8498 rc = -EAGAIN;
8499 goto exit_leader_reset;
8500 }
8501 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
8502 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
8503 BNX2X_ERR("MCP unexpected resp, aborting\n");
8504 rc = -EAGAIN;
8505 goto exit_leader_reset2;
8506 }
8507 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
8508 if (!load_code) {
8509 BNX2X_ERR("MCP response failure, aborting\n");
8510 rc = -EAGAIN;
8511 goto exit_leader_reset2;
8512 }
8513 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008514
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008515 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008516 if (bnx2x_process_kill(bp, global)) {
8517 netdev_err(bp->dev, "Something bad had happen on engine %d! "
8518 "Aii!\n", BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008519 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008520 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008521 }
8522
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008523 /*
8524 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
8525 * state.
8526 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008527 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008528 if (global)
8529 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008530
Ariel Elior95c6c6162012-01-26 06:01:52 +00008531exit_leader_reset2:
8532 /* unload "fake driver" if it was loaded */
8533 if (!global && !BP_NOMCP(bp)) {
8534 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
8535 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8536 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008537exit_leader_reset:
8538 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008539 bnx2x_release_leader_lock(bp);
8540 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008541 return rc;
8542}
8543
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008544static inline void bnx2x_recovery_failed(struct bnx2x *bp)
8545{
8546 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
8547
8548 /* Disconnect this device */
8549 netif_device_detach(bp->dev);
8550
8551 /*
8552 * Block ifup for all function on this engine until "process kill"
8553 * or power cycle.
8554 */
8555 bnx2x_set_reset_in_progress(bp);
8556
8557 /* Shut down the power */
8558 bnx2x_set_power_state(bp, PCI_D3hot);
8559
8560 bp->recovery_state = BNX2X_RECOVERY_FAILED;
8561
8562 smp_mb();
8563}
8564
8565/*
8566 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00008567 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008568 * will never be called when netif_running(bp->dev) is false.
8569 */
8570static void bnx2x_parity_recover(struct bnx2x *bp)
8571{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008572 bool global = false;
Ariel Elior7a752992012-01-26 06:01:53 +00008573 u32 error_recovered, error_unrecovered;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008574 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008575
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008576 DP(NETIF_MSG_HW, "Handling parity\n");
8577 while (1) {
8578 switch (bp->recovery_state) {
8579 case BNX2X_RECOVERY_INIT:
8580 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00008581 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
8582 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008583
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008584 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008585 if (bnx2x_trylock_leader_lock(bp)) {
8586 bnx2x_set_reset_in_progress(bp);
8587 /*
8588 * Check if there is a global attention and if
8589 * there was a global attention, set the global
8590 * reset bit.
8591 */
8592
8593 if (global)
8594 bnx2x_set_reset_global(bp);
8595
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008596 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008597 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008598
8599 /* Stop the driver */
8600 /* If interface has been removed - break */
8601 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
8602 return;
8603
8604 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008605
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008606 /* Ensure "is_leader", MCP command sequence and
8607 * "recovery_state" update values are seen on other
8608 * CPUs.
8609 */
8610 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008611 break;
8612
8613 case BNX2X_RECOVERY_WAIT:
8614 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
8615 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008616 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00008617 bool other_load_status =
8618 bnx2x_get_load_status(bp, other_engine);
8619 bool load_status =
8620 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008621 global = bnx2x_reset_is_global(bp);
8622
8623 /*
8624 * In case of a parity in a global block, let
8625 * the first leader that performs a
8626 * leader_reset() reset the global blocks in
8627 * order to clear global attentions. Otherwise
8628 * the the gates will remain closed for that
8629 * engine.
8630 */
Ariel Elior889b9af2012-01-26 06:01:51 +00008631 if (load_status ||
8632 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008633 /* Wait until all other functions get
8634 * down.
8635 */
Ariel Elior7be08a72011-07-14 08:31:19 +00008636 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008637 HZ/10);
8638 return;
8639 } else {
8640 /* If all other functions got down -
8641 * try to bring the chip back to
8642 * normal. In any case it's an exit
8643 * point for a leader.
8644 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008645 if (bnx2x_leader_reset(bp)) {
8646 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008647 return;
8648 }
8649
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008650 /* If we are here, means that the
8651 * leader has succeeded and doesn't
8652 * want to be a leader any more. Try
8653 * to continue as a none-leader.
8654 */
8655 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008656 }
8657 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008658 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008659 /* Try to get a LEADER_LOCK HW lock as
8660 * long as a former leader may have
8661 * been unloaded by the user or
8662 * released a leadership by another
8663 * reason.
8664 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008665 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008666 /* I'm a leader now! Restart a
8667 * switch case.
8668 */
8669 bp->is_leader = 1;
8670 break;
8671 }
8672
Ariel Elior7be08a72011-07-14 08:31:19 +00008673 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008674 HZ/10);
8675 return;
8676
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008677 } else {
8678 /*
8679 * If there was a global attention, wait
8680 * for it to be cleared.
8681 */
8682 if (bnx2x_reset_is_global(bp)) {
8683 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00008684 &bp->sp_rtnl_task,
8685 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008686 return;
8687 }
8688
Ariel Elior7a752992012-01-26 06:01:53 +00008689 error_recovered =
8690 bp->eth_stats.recoverable_error;
8691 error_unrecovered =
8692 bp->eth_stats.unrecoverable_error;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008693 bp->recovery_state =
8694 BNX2X_RECOVERY_NIC_LOADING;
8695 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
Ariel Elior7a752992012-01-26 06:01:53 +00008696 error_unrecovered++;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008697 netdev_err(bp->dev,
8698 "Recovery failed. "
8699 "Power cycle "
8700 "needed\n");
8701 /* Disconnect this device */
8702 netif_device_detach(bp->dev);
8703 /* Shut down the power */
8704 bnx2x_set_power_state(
8705 bp, PCI_D3hot);
8706 smp_mb();
8707 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008708 bp->recovery_state =
8709 BNX2X_RECOVERY_DONE;
Ariel Elior7a752992012-01-26 06:01:53 +00008710 error_recovered++;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008711 smp_mb();
8712 }
Ariel Elior7a752992012-01-26 06:01:53 +00008713 bp->eth_stats.recoverable_error =
8714 error_recovered;
8715 bp->eth_stats.unrecoverable_error =
8716 error_unrecovered;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008717
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008718 return;
8719 }
8720 }
8721 default:
8722 return;
8723 }
8724 }
8725}
8726
8727/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
8728 * scheduled on a general queue in order to prevent a dead lock.
8729 */
Ariel Elior7be08a72011-07-14 08:31:19 +00008730static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008731{
Ariel Elior7be08a72011-07-14 08:31:19 +00008732 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008733
8734 rtnl_lock();
8735
8736 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00008737 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008738
Ariel Elior7be08a72011-07-14 08:31:19 +00008739 /* if stop on error is defined no recovery flows should be executed */
8740#ifdef BNX2X_STOP_ON_ERROR
8741 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined "
8742 "so reset not done to allow debug dump,\n"
8743 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008744 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00008745#endif
8746
8747 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
8748 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008749 * Clear all pending SP commands as we are going to reset the
8750 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00008751 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008752 bp->sp_rtnl_state = 0;
8753 smp_mb();
8754
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008755 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008756
8757 goto sp_rtnl_exit;
8758 }
8759
8760 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
8761 /*
8762 * Clear all pending SP commands as we are going to reset the
8763 * function anyway.
8764 */
8765 bp->sp_rtnl_state = 0;
8766 smp_mb();
8767
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008768 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8769 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008770
8771 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008772 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008773#ifdef BNX2X_STOP_ON_ERROR
8774sp_rtnl_not_reset:
8775#endif
8776 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
8777 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008778
Ariel Elior83048592011-11-13 04:34:29 +00008779 /*
8780 * in case of fan failure we need to reset id if the "stop on error"
8781 * debug flag is set, since we trying to prevent permanent overheating
8782 * damage
8783 */
8784 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Dmitry Kravkov5219e4c2011-11-14 14:36:40 -05008785 DP(BNX2X_MSG_SP, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00008786 netif_device_detach(bp->dev);
8787 bnx2x_close(bp->dev);
8788 }
8789
Ariel Elior7be08a72011-07-14 08:31:19 +00008790sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008791 rtnl_unlock();
8792}
8793
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008794/* end of nic load/unload */
8795
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008796static void bnx2x_period_task(struct work_struct *work)
8797{
8798 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
8799
8800 if (!netif_running(bp->dev))
8801 goto period_task_exit;
8802
8803 if (CHIP_REV_IS_SLOW(bp)) {
8804 BNX2X_ERR("period task called on emulation, ignoring\n");
8805 goto period_task_exit;
8806 }
8807
8808 bnx2x_acquire_phy_lock(bp);
8809 /*
8810 * The barrier is needed to ensure the ordering between the writing to
8811 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
8812 * the reading here.
8813 */
8814 smp_mb();
8815 if (bp->port.pmf) {
8816 bnx2x_period_func(&bp->link_params, &bp->link_vars);
8817
8818 /* Re-queue task in 1 sec */
8819 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
8820 }
8821
8822 bnx2x_release_phy_lock(bp);
8823period_task_exit:
8824 return;
8825}
8826
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008827/*
8828 * Init service functions
8829 */
8830
stephen hemminger8d962862010-10-21 07:50:56 +00008831static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008832{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008833 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
8834 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
8835 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008836}
8837
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008838static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008839{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008840 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008841
8842 /* Flush all outstanding writes */
8843 mmiowb();
8844
8845 /* Pretend to be function 0 */
8846 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008847 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008848
8849 /* From now we are in the "like-E1" mode */
8850 bnx2x_int_disable(bp);
8851
8852 /* Flush all outstanding writes */
8853 mmiowb();
8854
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008855 /* Restore the original function */
8856 REG_WR(bp, reg, BP_ABS_FUNC(bp));
8857 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008858}
8859
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008860static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008861{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008862 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008863 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008864 else
8865 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008866}
8867
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008868static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008869{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008870 u32 val;
8871
Ariel Eliorf16da432012-01-26 06:01:50 +00008872 /* possibly another driver is trying to reset the chip */
8873 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller8decf862011-09-22 03:23:13 -04008874
Ariel Eliorf16da432012-01-26 06:01:50 +00008875 /* check if doorbell queue is reset */
8876 if (REG_RD(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET)
8877 & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
8878
David S. Miller8decf862011-09-22 03:23:13 -04008879 /*
8880 * Check if it is the UNDI driver
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008881 * UNDI driver initializes CID offset for normal bell to 0x7
8882 */
8883 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
8884 if (val == 0x7) {
8885 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008886 /* save our pf_num */
8887 int orig_pf_num = bp->pf_num;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008888 int port;
8889 u32 swap_en, swap_val, value;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008890
Eilon Greensteinb4661732009-01-14 06:43:56 +00008891 /* clear the UNDI indication */
8892 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
8893
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008894 BNX2X_DEV_INFO("UNDI is active! reset device\n");
8895
8896 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008897 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008898 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008899 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008900 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008901 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008902
8903 /* if UNDI is loaded on the other port */
8904 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
8905
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008906 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008907 bnx2x_fw_command(bp,
8908 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008909
8910 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008911 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008912 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008913 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008914 DRV_MSG_SEQ_NUMBER_MASK);
8915 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008916
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008917 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008918 }
8919
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008920 bnx2x_undi_int_disable(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008921 port = BP_PORT(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008922
8923 /* close input traffic and wait for it */
8924 /* Do not rcv packets to BRB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008925 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
8926 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008927 /* Do not direct rcv packets that are not for MCP to
8928 * the BRB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008929 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8930 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008931 /* clear AEU */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008932 REG_WR(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8933 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008934 msleep(10);
8935
8936 /* save NIG port swap info */
8937 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8938 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008939 /* reset device */
8940 REG_WR(bp,
8941 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008942 0xd3ffffff);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008943
8944 value = 0x1400;
8945 if (CHIP_IS_E3(bp)) {
8946 value |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
8947 value |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
8948 }
8949
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008950 REG_WR(bp,
8951 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008952 value);
8953
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008954 /* take the NIG out of reset and restore swap values */
8955 REG_WR(bp,
8956 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
8957 MISC_REGISTERS_RESET_REG_1_RST_NIG);
8958 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
8959 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
8960
8961 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008962 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008963
8964 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008965 bp->pf_num = orig_pf_num;
David S. Miller8decf862011-09-22 03:23:13 -04008966 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008967 }
Ariel Eliorf16da432012-01-26 06:01:50 +00008968
8969 /* now it's safe to release the lock */
8970 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008971}
8972
8973static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
8974{
Barak Witkowski1d187b32011-12-05 22:41:50 +00008975 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07008976 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008977
8978 /* Get the chip revision id and number. */
8979 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
8980 val = REG_RD(bp, MISC_REG_CHIP_NUM);
8981 id = ((val & 0xffff) << 16);
8982 val = REG_RD(bp, MISC_REG_CHIP_REV);
8983 id |= ((val & 0xf) << 12);
8984 val = REG_RD(bp, MISC_REG_CHIP_METAL);
8985 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00008986 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008987 id |= (val & 0xf);
8988 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008989
8990 /* Set doorbell size */
8991 bp->db_size = (1 << BNX2X_DB_SHIFT);
8992
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008993 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008994 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
8995 if ((val & 1) == 0)
8996 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
8997 else
8998 val = (val >> 1) & 1;
8999 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
9000 "2_PORT_MODE");
9001 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
9002 CHIP_2_PORT_MODE;
9003
9004 if (CHIP_MODE_IS_4_PORT(bp))
9005 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
9006 else
9007 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
9008 } else {
9009 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
9010 bp->pfid = bp->pf_num; /* 0..7 */
9011 }
9012
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009013 bp->link_params.chip_id = bp->common.chip_id;
9014 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009015
Eilon Greenstein1c063282009-02-12 08:36:43 +00009016 val = (REG_RD(bp, 0x2874) & 0x55);
9017 if ((bp->common.chip_id & 0x1) ||
9018 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9019 bp->flags |= ONE_PORT_FLAG;
9020 BNX2X_DEV_INFO("single port device\n");
9021 }
9022
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009023 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009024 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009025 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9026 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9027 bp->common.flash_size, bp->common.flash_size);
9028
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009029 bnx2x_init_shmem(bp);
9030
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009031
9032
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009033 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9034 MISC_REG_GENERIC_CR_1 :
9035 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009036
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009037 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009038 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009039 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9040 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009041
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009042 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009043 BNX2X_DEV_INFO("MCP not active\n");
9044 bp->flags |= NO_MCP_FLAG;
9045 return;
9046 }
9047
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009048 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009049 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009050
9051 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9052 SHARED_HW_CFG_LED_MODE_MASK) >>
9053 SHARED_HW_CFG_LED_MODE_SHIFT);
9054
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009055 bp->link_params.feature_config_flags = 0;
9056 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9057 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9058 bp->link_params.feature_config_flags |=
9059 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9060 else
9061 bp->link_params.feature_config_flags &=
9062 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9063
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009064 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9065 bp->common.bc_ver = val;
9066 BNX2X_DEV_INFO("bc_ver %X\n", val);
9067 if (val < BNX2X_BC_VER) {
9068 /* for now only warn
9069 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009070 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
9071 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009072 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009073 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009074 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009075 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9076
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009077 bp->link_params.feature_config_flags |=
9078 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9079 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009080
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009081 bp->link_params.feature_config_flags |=
9082 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9083 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009084 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9085 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009086
Barak Witkowski1d187b32011-12-05 22:41:50 +00009087 boot_mode = SHMEM_RD(bp,
9088 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9089 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9090 switch (boot_mode) {
9091 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9092 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9093 break;
9094 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9095 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9096 break;
9097 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9098 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9099 break;
9100 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9101 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9102 break;
9103 }
9104
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009105 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9106 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9107
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009108 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009109 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009110
9111 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9112 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9113 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9114 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9115
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009116 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9117 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009118}
9119
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009120#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9121#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9122
9123static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9124{
9125 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009126 int igu_sb_id;
9127 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009128 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009129
9130 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009131 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009132 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009133 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009134 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9135 FP_SB_MAX_E1x;
9136
9137 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9138 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9139
9140 return;
9141 }
9142
9143 /* IGU in normal mode - read CAM */
9144 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9145 igu_sb_id++) {
9146 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
9147 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
9148 continue;
9149 fid = IGU_FID(val);
9150 if ((fid & IGU_FID_ENCODE_IS_PF)) {
9151 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
9152 continue;
9153 if (IGU_VEC(val) == 0)
9154 /* default status block */
9155 bp->igu_dsb_id = igu_sb_id;
9156 else {
9157 if (bp->igu_base_sb == 0xff)
9158 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009159 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009160 }
9161 }
9162 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009163
Ariel Elior6383c0b2011-07-14 08:31:57 +00009164#ifdef CONFIG_PCI_MSI
9165 /*
9166 * It's expected that number of CAM entries for this functions is equal
9167 * to the number evaluated based on the MSI-X table size. We want a
9168 * harsh warning if these values are different!
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009169 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00009170 WARN_ON(bp->igu_sb_cnt != igu_sb_cnt);
9171#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009172
Ariel Elior6383c0b2011-07-14 08:31:57 +00009173 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009174 BNX2X_ERR("CAM configuration error\n");
9175}
9176
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009177static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
9178 u32 switch_cfg)
9179{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009180 int cfg_size = 0, idx, port = BP_PORT(bp);
9181
9182 /* Aggregation of supported attributes of all external phys */
9183 bp->port.supported[0] = 0;
9184 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009185 switch (bp->link_params.num_phys) {
9186 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009187 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
9188 cfg_size = 1;
9189 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009190 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009191 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
9192 cfg_size = 1;
9193 break;
9194 case 3:
9195 if (bp->link_params.multi_phy_config &
9196 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
9197 bp->port.supported[1] =
9198 bp->link_params.phy[EXT_PHY1].supported;
9199 bp->port.supported[0] =
9200 bp->link_params.phy[EXT_PHY2].supported;
9201 } else {
9202 bp->port.supported[0] =
9203 bp->link_params.phy[EXT_PHY1].supported;
9204 bp->port.supported[1] =
9205 bp->link_params.phy[EXT_PHY2].supported;
9206 }
9207 cfg_size = 2;
9208 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009209 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009210
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009211 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009212 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009213 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009214 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009215 dev_info.port_hw_config[port].external_phy_config),
9216 SHMEM_RD(bp,
9217 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009218 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009219 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009220
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009221 if (CHIP_IS_E3(bp))
9222 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
9223 else {
9224 switch (switch_cfg) {
9225 case SWITCH_CFG_1G:
9226 bp->port.phy_addr = REG_RD(
9227 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
9228 break;
9229 case SWITCH_CFG_10G:
9230 bp->port.phy_addr = REG_RD(
9231 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
9232 break;
9233 default:
9234 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
9235 bp->port.link_config[0]);
9236 return;
9237 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009238 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009239 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009240 /* mask what we support according to speed_cap_mask per configuration */
9241 for (idx = 0; idx < cfg_size; idx++) {
9242 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009243 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009244 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009245
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009246 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009247 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009248 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009249
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009250 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009251 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009252 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
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_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009256 bp->port.supported[idx] &= ~SUPPORTED_100baseT_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_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009260 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009261 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009262
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009263 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009264 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009265 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009266
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009267 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009268 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009269 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009270
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009271 }
9272
9273 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
9274 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009275}
9276
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009277static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009278{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009279 u32 link_config, idx, cfg_size = 0;
9280 bp->port.advertising[0] = 0;
9281 bp->port.advertising[1] = 0;
9282 switch (bp->link_params.num_phys) {
9283 case 1:
9284 case 2:
9285 cfg_size = 1;
9286 break;
9287 case 3:
9288 cfg_size = 2;
9289 break;
9290 }
9291 for (idx = 0; idx < cfg_size; idx++) {
9292 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
9293 link_config = bp->port.link_config[idx];
9294 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009295 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009296 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
9297 bp->link_params.req_line_speed[idx] =
9298 SPEED_AUTO_NEG;
9299 bp->port.advertising[idx] |=
9300 bp->port.supported[idx];
Mintz Yuval10bd1f22012-02-15 02:10:30 +00009301 if (bp->link_params.phy[EXT_PHY1].type ==
9302 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
9303 bp->port.advertising[idx] |=
9304 (SUPPORTED_100baseT_Half |
9305 SUPPORTED_100baseT_Full);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009306 } else {
9307 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009308 bp->link_params.req_line_speed[idx] =
9309 SPEED_10000;
9310 bp->port.advertising[idx] |=
9311 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009312 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009313 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009314 }
9315 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009316
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009317 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009318 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
9319 bp->link_params.req_line_speed[idx] =
9320 SPEED_10;
9321 bp->port.advertising[idx] |=
9322 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009323 ADVERTISED_TP);
9324 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009325 BNX2X_ERR("NVRAM config error. "
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009326 "Invalid link_config 0x%x"
9327 " speed_cap_mask 0x%x\n",
9328 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009329 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009330 return;
9331 }
9332 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009333
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009334 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009335 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
9336 bp->link_params.req_line_speed[idx] =
9337 SPEED_10;
9338 bp->link_params.req_duplex[idx] =
9339 DUPLEX_HALF;
9340 bp->port.advertising[idx] |=
9341 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009342 ADVERTISED_TP);
9343 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009344 BNX2X_ERR("NVRAM config error. "
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009345 "Invalid link_config 0x%x"
9346 " speed_cap_mask 0x%x\n",
9347 link_config,
9348 bp->link_params.speed_cap_mask[idx]);
9349 return;
9350 }
9351 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009352
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009353 case PORT_FEATURE_LINK_SPEED_100M_FULL:
9354 if (bp->port.supported[idx] &
9355 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009356 bp->link_params.req_line_speed[idx] =
9357 SPEED_100;
9358 bp->port.advertising[idx] |=
9359 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009360 ADVERTISED_TP);
9361 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009362 BNX2X_ERR("NVRAM config error. "
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009363 "Invalid link_config 0x%x"
9364 " speed_cap_mask 0x%x\n",
9365 link_config,
9366 bp->link_params.speed_cap_mask[idx]);
9367 return;
9368 }
9369 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009370
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009371 case PORT_FEATURE_LINK_SPEED_100M_HALF:
9372 if (bp->port.supported[idx] &
9373 SUPPORTED_100baseT_Half) {
9374 bp->link_params.req_line_speed[idx] =
9375 SPEED_100;
9376 bp->link_params.req_duplex[idx] =
9377 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009378 bp->port.advertising[idx] |=
9379 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009380 ADVERTISED_TP);
9381 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009382 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009383 "Invalid link_config 0x%x"
9384 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009385 link_config,
9386 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009387 return;
9388 }
9389 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009390
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009391 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009392 if (bp->port.supported[idx] &
9393 SUPPORTED_1000baseT_Full) {
9394 bp->link_params.req_line_speed[idx] =
9395 SPEED_1000;
9396 bp->port.advertising[idx] |=
9397 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009398 ADVERTISED_TP);
9399 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009400 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009401 "Invalid link_config 0x%x"
9402 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009403 link_config,
9404 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009405 return;
9406 }
9407 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009408
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009409 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009410 if (bp->port.supported[idx] &
9411 SUPPORTED_2500baseX_Full) {
9412 bp->link_params.req_line_speed[idx] =
9413 SPEED_2500;
9414 bp->port.advertising[idx] |=
9415 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009416 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009417 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009418 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009419 "Invalid link_config 0x%x"
9420 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009421 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009422 bp->link_params.speed_cap_mask[idx]);
9423 return;
9424 }
9425 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009426
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009427 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009428 if (bp->port.supported[idx] &
9429 SUPPORTED_10000baseT_Full) {
9430 bp->link_params.req_line_speed[idx] =
9431 SPEED_10000;
9432 bp->port.advertising[idx] |=
9433 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009434 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009435 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009436 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009437 "Invalid link_config 0x%x"
9438 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009439 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009440 bp->link_params.speed_cap_mask[idx]);
9441 return;
9442 }
9443 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00009444 case PORT_FEATURE_LINK_SPEED_20G:
9445 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009446
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00009447 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009448 default:
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009449 BNX2X_ERR("NVRAM config error. "
9450 "BAD link speed link_config 0x%x\n",
9451 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009452 bp->link_params.req_line_speed[idx] =
9453 SPEED_AUTO_NEG;
9454 bp->port.advertising[idx] =
9455 bp->port.supported[idx];
9456 break;
9457 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009458
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009459 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009460 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009461 if ((bp->link_params.req_flow_ctrl[idx] ==
9462 BNX2X_FLOW_CTRL_AUTO) &&
9463 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
9464 bp->link_params.req_flow_ctrl[idx] =
9465 BNX2X_FLOW_CTRL_NONE;
9466 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009467
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009468 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
9469 " 0x%x advertising 0x%x\n",
9470 bp->link_params.req_line_speed[idx],
9471 bp->link_params.req_duplex[idx],
9472 bp->link_params.req_flow_ctrl[idx],
9473 bp->port.advertising[idx]);
9474 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009475}
9476
Michael Chane665bfd2009-10-10 13:46:54 +00009477static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
9478{
9479 mac_hi = cpu_to_be16(mac_hi);
9480 mac_lo = cpu_to_be32(mac_lo);
9481 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
9482 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
9483}
9484
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009485static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009486{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009487 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00009488 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00009489 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009490
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009491 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009492 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009493
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009494 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009495 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009496
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009497 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009498 SHMEM_RD(bp,
9499 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009500 bp->link_params.speed_cap_mask[1] =
9501 SHMEM_RD(bp,
9502 dev_info.port_hw_config[port].speed_capability_mask2);
9503 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009504 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
9505
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009506 bp->port.link_config[1] =
9507 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009508
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009509 bp->link_params.multi_phy_config =
9510 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00009511 /* If the device is capable of WoL, set the default state according
9512 * to the HW
9513 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009514 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00009515 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
9516 (config & PORT_FEATURE_WOL_ENABLED));
9517
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009518 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009519 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009520 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009521 bp->link_params.speed_cap_mask[0],
9522 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009523
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009524 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009525 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009526 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009527 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009528
9529 bnx2x_link_settings_requested(bp);
9530
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009531 /*
9532 * If connected directly, work with the internal PHY, otherwise, work
9533 * with the external PHY
9534 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009535 ext_phy_config =
9536 SHMEM_RD(bp,
9537 dev_info.port_hw_config[port].external_phy_config);
9538 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009539 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009540 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009541
9542 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
9543 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
9544 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009545 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00009546
9547 /*
9548 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
9549 * In MF mode, it is set to cover self test cases
9550 */
9551 if (IS_MF(bp))
9552 bp->port.need_hw_lock = 1;
9553 else
9554 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
9555 bp->common.shmem_base,
9556 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009557}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009558
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009559void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009560{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009561#ifdef BCM_CNIC
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009562 int port = BP_PORT(bp);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009563
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009564 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009565 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009566
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009567 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009568 bp->cnic_eth_dev.max_iscsi_conn =
9569 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
9570 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
9571
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009572 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
9573 bp->cnic_eth_dev.max_iscsi_conn);
9574
9575 /*
9576 * If maximum allowed number of connections is zero -
9577 * disable the feature.
9578 */
9579 if (!bp->cnic_eth_dev.max_iscsi_conn)
9580 bp->flags |= NO_ISCSI_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009581#else
9582 bp->flags |= NO_ISCSI_FLAG;
9583#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009584}
9585
9586static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
9587{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009588#ifdef BCM_CNIC
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009589 int port = BP_PORT(bp);
9590 int func = BP_ABS_FUNC(bp);
9591
9592 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
9593 drv_lic_key[port].max_fcoe_conn);
9594
9595 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009596 bp->cnic_eth_dev.max_fcoe_conn =
9597 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
9598 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
9599
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009600 /* Read the WWN: */
9601 if (!IS_MF(bp)) {
9602 /* Port info */
9603 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
9604 SHMEM_RD(bp,
9605 dev_info.port_hw_config[port].
9606 fcoe_wwn_port_name_upper);
9607 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
9608 SHMEM_RD(bp,
9609 dev_info.port_hw_config[port].
9610 fcoe_wwn_port_name_lower);
9611
9612 /* Node info */
9613 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
9614 SHMEM_RD(bp,
9615 dev_info.port_hw_config[port].
9616 fcoe_wwn_node_name_upper);
9617 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
9618 SHMEM_RD(bp,
9619 dev_info.port_hw_config[port].
9620 fcoe_wwn_node_name_lower);
9621 } else if (!IS_MF_SD(bp)) {
9622 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
9623
9624 /*
9625 * Read the WWN info only if the FCoE feature is enabled for
9626 * this function.
9627 */
9628 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
9629 /* Port info */
9630 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
9631 MF_CFG_RD(bp, func_ext_config[func].
9632 fcoe_wwn_port_name_upper);
9633 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
9634 MF_CFG_RD(bp, func_ext_config[func].
9635 fcoe_wwn_port_name_lower);
9636
9637 /* Node info */
9638 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
9639 MF_CFG_RD(bp, func_ext_config[func].
9640 fcoe_wwn_node_name_upper);
9641 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
9642 MF_CFG_RD(bp, func_ext_config[func].
9643 fcoe_wwn_node_name_lower);
9644 }
9645 }
9646
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009647 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009648
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009649 /*
9650 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009651 * disable the feature.
9652 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009653 if (!bp->cnic_eth_dev.max_fcoe_conn)
9654 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009655#else
9656 bp->flags |= NO_FCOE_FLAG;
9657#endif
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009658}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009659
9660static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
9661{
9662 /*
9663 * iSCSI may be dynamically disabled but reading
9664 * info here we will decrease memory usage by driver
9665 * if the feature is disabled for good
9666 */
9667 bnx2x_get_iscsi_info(bp);
9668 bnx2x_get_fcoe_info(bp);
9669}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009670
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009671static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
9672{
9673 u32 val, val2;
9674 int func = BP_ABS_FUNC(bp);
9675 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009676#ifdef BCM_CNIC
9677 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
9678 u8 *fip_mac = bp->fip_mac;
9679#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009680
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009681 /* Zero primary MAC configuration */
9682 memset(bp->dev->dev_addr, 0, ETH_ALEN);
9683
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009684 if (BP_NOMCP(bp)) {
9685 BNX2X_ERROR("warning: random MAC workaround active\n");
9686 random_ether_addr(bp->dev->dev_addr);
9687 } else if (IS_MF(bp)) {
9688 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
9689 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
9690 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
9691 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
9692 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
9693
9694#ifdef BCM_CNIC
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009695 /*
9696 * iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009697 * FCoE MAC then the appropriate feature should be disabled.
9698 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009699 if (IS_MF_SI(bp)) {
9700 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
9701 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
9702 val2 = MF_CFG_RD(bp, func_ext_config[func].
9703 iscsi_mac_addr_upper);
9704 val = MF_CFG_RD(bp, func_ext_config[func].
9705 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009706 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Joe Perches0f9dad12011-08-14 12:16:19 +00009707 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
9708 iscsi_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009709 } else
9710 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
9711
9712 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
9713 val2 = MF_CFG_RD(bp, func_ext_config[func].
9714 fcoe_mac_addr_upper);
9715 val = MF_CFG_RD(bp, func_ext_config[func].
9716 fcoe_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009717 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009718 BNX2X_DEV_INFO("Read FCoE L2 MAC: %pM\n",
Joe Perches0f9dad12011-08-14 12:16:19 +00009719 fip_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009720
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009721 } else
9722 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009723 } else { /* SD mode */
9724 if (BNX2X_IS_MF_PROTOCOL_ISCSI(bp)) {
9725 /* use primary mac as iscsi mac */
9726 memcpy(iscsi_mac, bp->dev->dev_addr, ETH_ALEN);
9727 /* Zero primary MAC configuration */
9728 memset(bp->dev->dev_addr, 0, ETH_ALEN);
9729
9730 BNX2X_DEV_INFO("SD ISCSI MODE\n");
9731 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
9732 iscsi_mac);
9733 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009734 }
9735#endif
9736 } else {
9737 /* in SF read MACs from port configuration */
9738 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
9739 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
9740 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
9741
9742#ifdef BCM_CNIC
9743 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
9744 iscsi_mac_upper);
9745 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
9746 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009747 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +00009748
9749 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
9750 fcoe_fip_mac_upper);
9751 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
9752 fcoe_fip_mac_lower);
9753 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009754#endif
9755 }
9756
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009757 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
9758 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00009759
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009760#ifdef BCM_CNIC
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +00009761 /* Set the FCoE MAC in MF_SD mode */
9762 if (!CHIP_IS_E1x(bp) && IS_MF_SD(bp))
9763 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
Dmitry Kravkov426b9242011-05-04 23:49:53 +00009764
9765 /* Disable iSCSI if MAC configuration is
9766 * invalid.
9767 */
9768 if (!is_valid_ether_addr(iscsi_mac)) {
9769 bp->flags |= NO_ISCSI_FLAG;
9770 memset(iscsi_mac, 0, ETH_ALEN);
9771 }
9772
9773 /* Disable FCoE if MAC configuration is
9774 * invalid.
9775 */
9776 if (!is_valid_ether_addr(fip_mac)) {
9777 bp->flags |= NO_FCOE_FLAG;
9778 memset(bp->fip_mac, 0, ETH_ALEN);
9779 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009780#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009781
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009782 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009783 dev_err(&bp->pdev->dev,
9784 "bad Ethernet MAC address configuration: "
Joe Perches0f9dad12011-08-14 12:16:19 +00009785 "%pM, change it manually before bringing up "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009786 "the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +00009787 bp->dev->dev_addr);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009788}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009789
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009790static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
9791{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009792 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07009793 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009794 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009795 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009796
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009797 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009798
Ariel Elior6383c0b2011-07-14 08:31:57 +00009799 /*
9800 * initialize IGU parameters
9801 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009802 if (CHIP_IS_E1x(bp)) {
9803 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009804
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009805 bp->igu_dsb_id = DEF_SB_IGU_ID;
9806 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009807 } else {
9808 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -04009809
9810 /* do not allow device reset during IGU info preocessing */
9811 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
9812
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009813 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009814
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009815 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009816 int tout = 5000;
9817
9818 BNX2X_DEV_INFO("FORCING Normal Mode\n");
9819
9820 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
9821 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
9822 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
9823
9824 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
9825 tout--;
9826 usleep_range(1000, 1000);
9827 }
9828
9829 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
9830 dev_err(&bp->pdev->dev,
9831 "FORCING Normal Mode failed!!!\n");
9832 return -EPERM;
9833 }
9834 }
9835
9836 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
9837 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009838 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
9839 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009840 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009841
9842 bnx2x_get_igu_cam_info(bp);
9843
David S. Miller8decf862011-09-22 03:23:13 -04009844 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009845 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009846
9847 /*
9848 * set base FW non-default (fast path) status block id, this value is
9849 * used to initialize the fw_sb_id saved on the fp/queue structure to
9850 * determine the id used by the FW.
9851 */
9852 if (CHIP_IS_E1x(bp))
9853 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
9854 else /*
9855 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
9856 * the same queue are indicated on the same IGU SB). So we prefer
9857 * FW and IGU SBs to be the same value.
9858 */
9859 bp->base_fw_ndsb = bp->igu_base_sb;
9860
9861 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
9862 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
9863 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009864
9865 /*
9866 * Initialize MF configuration
9867 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009868
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00009869 bp->mf_ov = 0;
9870 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -04009871 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009872
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009873 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009874 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
9875 bp->common.shmem2_base, SHMEM2_RD(bp, size),
9876 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
9877
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009878 if (SHMEM2_HAS(bp, mf_cfg_addr))
9879 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
9880 else
9881 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009882 offsetof(struct shmem_region, func_mb) +
9883 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009884 /*
9885 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009886 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009887 * 2. MAC address must be legal (check only upper bytes)
9888 * for Switch-Independent mode;
9889 * OVLAN must be legal for Switch-Dependent mode
9890 * 3. SF_MODE configures specific MF mode
9891 */
9892 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
9893 /* get mf configuration */
9894 val = SHMEM_RD(bp,
9895 dev_info.shared_feature_config.config);
9896 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009897
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009898 switch (val) {
9899 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
9900 val = MF_CFG_RD(bp, func_mf_config[func].
9901 mac_upper);
9902 /* check for legal mac (upper bytes)*/
9903 if (val != 0xffff) {
9904 bp->mf_mode = MULTI_FUNCTION_SI;
9905 bp->mf_config[vn] = MF_CFG_RD(bp,
9906 func_mf_config[func].config);
9907 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009908 BNX2X_DEV_INFO("illegal MAC address "
9909 "for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009910 break;
9911 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
9912 /* get OV configuration */
9913 val = MF_CFG_RD(bp,
9914 func_mf_config[FUNC_0].e1hov_tag);
9915 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
9916
9917 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
9918 bp->mf_mode = MULTI_FUNCTION_SD;
9919 bp->mf_config[vn] = MF_CFG_RD(bp,
9920 func_mf_config[func].config);
9921 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009922 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009923 break;
9924 default:
9925 /* Unknown configuration: reset mf_config */
9926 bp->mf_config[vn] = 0;
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009927 BNX2X_DEV_INFO("unkown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009928 }
9929 }
9930
Eilon Greenstein2691d512009-08-12 08:22:08 +00009931 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00009932 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00009933
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009934 switch (bp->mf_mode) {
9935 case MULTI_FUNCTION_SD:
9936 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
9937 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009938 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00009939 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009940 bp->path_has_ovlan = true;
9941
9942 BNX2X_DEV_INFO("MF OV for func %d is %d "
9943 "(0x%04x)\n", func, bp->mf_ov,
9944 bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00009945 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009946 dev_err(&bp->pdev->dev,
9947 "No valid MF OV for func %d, "
9948 "aborting\n", func);
9949 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009950 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009951 break;
9952 case MULTI_FUNCTION_SI:
9953 BNX2X_DEV_INFO("func %d is in MF "
9954 "switch-independent mode\n", func);
9955 break;
9956 default:
9957 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009958 dev_err(&bp->pdev->dev,
9959 "VN %d is in a single function mode, "
9960 "aborting\n", vn);
9961 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009962 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009963 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009964 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009965
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009966 /* check if other port on the path needs ovlan:
9967 * Since MF configuration is shared between ports
9968 * Possible mixed modes are only
9969 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
9970 */
9971 if (CHIP_MODE_IS_4_PORT(bp) &&
9972 !bp->path_has_ovlan &&
9973 !IS_MF(bp) &&
9974 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
9975 u8 other_port = !BP_PORT(bp);
9976 u8 other_func = BP_PATH(bp) + 2*other_port;
9977 val = MF_CFG_RD(bp,
9978 func_mf_config[other_func].e1hov_tag);
9979 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
9980 bp->path_has_ovlan = true;
9981 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009982 }
9983
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009984 /* adjust igu_sb_cnt to MF for E1x */
9985 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009986 bp->igu_sb_cnt /= E1HVN_MAX;
9987
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009988 /* port info */
9989 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009990
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009991 /* Get MAC addresses */
9992 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009993
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009994 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009995
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009996 return rc;
9997}
9998
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009999static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
10000{
10001 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010002 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010003 char str_id_reg[VENDOR_ID_LEN+1];
10004 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010005 char *vpd_data;
10006 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010007 u8 len;
10008
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010009 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010010 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
10011
10012 if (cnt < BNX2X_VPD_LEN)
10013 goto out_not_found;
10014
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010015 /* VPD RO tag should be first tag after identifier string, hence
10016 * we should be able to find it in first BNX2X_VPD_LEN chars
10017 */
10018 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010019 PCI_VPD_LRDT_RO_DATA);
10020 if (i < 0)
10021 goto out_not_found;
10022
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010023 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010024 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010025
10026 i += PCI_VPD_LRDT_TAG_SIZE;
10027
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010028 if (block_end > BNX2X_VPD_LEN) {
10029 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10030 if (vpd_extended_data == NULL)
10031 goto out_not_found;
10032
10033 /* read rest of vpd image into vpd_extended_data */
10034 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10035 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10036 block_end - BNX2X_VPD_LEN,
10037 vpd_extended_data + BNX2X_VPD_LEN);
10038 if (cnt < (block_end - BNX2X_VPD_LEN))
10039 goto out_not_found;
10040 vpd_data = vpd_extended_data;
10041 } else
10042 vpd_data = vpd_start;
10043
10044 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010045
10046 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10047 PCI_VPD_RO_KEYWORD_MFR_ID);
10048 if (rodi < 0)
10049 goto out_not_found;
10050
10051 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10052
10053 if (len != VENDOR_ID_LEN)
10054 goto out_not_found;
10055
10056 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10057
10058 /* vendor specific info */
10059 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10060 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10061 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10062 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10063
10064 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10065 PCI_VPD_RO_KEYWORD_VENDOR0);
10066 if (rodi >= 0) {
10067 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10068
10069 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10070
10071 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10072 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10073 bp->fw_ver[len] = ' ';
10074 }
10075 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010076 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010077 return;
10078 }
10079out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010080 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010081 return;
10082}
10083
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010084static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10085{
10086 u32 flags = 0;
10087
10088 if (CHIP_REV_IS_FPGA(bp))
10089 SET_FLAGS(flags, MODE_FPGA);
10090 else if (CHIP_REV_IS_EMUL(bp))
10091 SET_FLAGS(flags, MODE_EMUL);
10092 else
10093 SET_FLAGS(flags, MODE_ASIC);
10094
10095 if (CHIP_MODE_IS_4_PORT(bp))
10096 SET_FLAGS(flags, MODE_PORT4);
10097 else
10098 SET_FLAGS(flags, MODE_PORT2);
10099
10100 if (CHIP_IS_E2(bp))
10101 SET_FLAGS(flags, MODE_E2);
10102 else if (CHIP_IS_E3(bp)) {
10103 SET_FLAGS(flags, MODE_E3);
10104 if (CHIP_REV(bp) == CHIP_REV_Ax)
10105 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010106 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10107 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010108 }
10109
10110 if (IS_MF(bp)) {
10111 SET_FLAGS(flags, MODE_MF);
10112 switch (bp->mf_mode) {
10113 case MULTI_FUNCTION_SD:
10114 SET_FLAGS(flags, MODE_MF_SD);
10115 break;
10116 case MULTI_FUNCTION_SI:
10117 SET_FLAGS(flags, MODE_MF_SI);
10118 break;
10119 }
10120 } else
10121 SET_FLAGS(flags, MODE_SF);
10122
10123#if defined(__LITTLE_ENDIAN)
10124 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
10125#else /*(__BIG_ENDIAN)*/
10126 SET_FLAGS(flags, MODE_BIG_ENDIAN);
10127#endif
10128 INIT_MODE_FLAGS(bp) = flags;
10129}
10130
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010131static int __devinit bnx2x_init_bp(struct bnx2x *bp)
10132{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010133 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +000010134 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010135 int rc;
10136
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010137 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070010138 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070010139 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +000010140#ifdef BCM_CNIC
10141 mutex_init(&bp->cnic_mutex);
10142#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010143
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010144 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000010145 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000010146 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010147 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010148 if (rc)
10149 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010150
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010151 bnx2x_set_modes_bitmap(bp);
10152
10153 rc = bnx2x_alloc_mem_bp(bp);
10154 if (rc)
10155 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010156
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010157 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010158
10159 func = BP_FUNC(bp);
10160
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010161 /* need to reset chip if undi was active */
10162 if (!BP_NOMCP(bp))
10163 bnx2x_undi_unload(bp);
10164
10165 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010166 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010167
10168 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010169 dev_err(&bp->pdev->dev, "MCP disabled, "
10170 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010171
Eilon Greenstein555f6c72009-02-12 08:36:11 +000010172 bp->multi_mode = multi_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +000010173
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010174 bp->disable_tpa = disable_tpa;
10175
10176#ifdef BCM_CNIC
10177 bp->disable_tpa |= IS_MF_ISCSI_SD(bp);
10178#endif
10179
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010180 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010181 if (bp->disable_tpa) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010182 bp->flags &= ~TPA_ENABLE_FLAG;
10183 bp->dev->features &= ~NETIF_F_LRO;
10184 } else {
10185 bp->flags |= TPA_ENABLE_FLAG;
10186 bp->dev->features |= NETIF_F_LRO;
10187 }
10188
Eilon Greensteina18f5122009-08-12 08:23:26 +000010189 if (CHIP_IS_E1(bp))
10190 bp->dropless_fc = 0;
10191 else
10192 bp->dropless_fc = dropless_fc;
10193
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000010194 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010195
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010196 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010197
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000010198 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010199 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
10200 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010201
Eilon Greenstein87942b42009-02-12 08:36:49 +000010202 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
10203 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010204
10205 init_timer(&bp->timer);
10206 bp->timer.expires = jiffies + bp->current_interval;
10207 bp->timer.data = (unsigned long) bp;
10208 bp->timer.function = bnx2x_timer;
10209
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010210 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000010211 bnx2x_dcbx_init_params(bp);
10212
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010213#ifdef BCM_CNIC
10214 if (CHIP_IS_E1x(bp))
10215 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
10216 else
10217 bp->cnic_base_cl_id = FP_SB_MAX_E2;
10218#endif
10219
Ariel Elior6383c0b2011-07-14 08:31:57 +000010220 /* multiple tx priority */
10221 if (CHIP_IS_E1x(bp))
10222 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
10223 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
10224 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
10225 if (CHIP_IS_E3B0(bp))
10226 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
10227
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010228 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010229}
10230
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010231
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010232/****************************************************************************
10233* General service functions
10234****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010235
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010236/*
10237 * net_device service functions
10238 */
10239
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010240/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010241static int bnx2x_open(struct net_device *dev)
10242{
10243 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010244 bool global = false;
10245 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000010246 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010247
Mintz Yuval1355b702012-02-15 02:10:22 +000010248 bp->stats_init = true;
10249
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000010250 netif_carrier_off(dev);
10251
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010252 bnx2x_set_power_state(bp, PCI_D0);
10253
Ariel Elior889b9af2012-01-26 06:01:51 +000010254 other_load_status = bnx2x_get_load_status(bp, other_engine);
10255 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010256
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010257 /*
10258 * If parity had happen during the unload, then attentions
10259 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
10260 * want the first function loaded on the current engine to
10261 * complete the recovery.
10262 */
10263 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
10264 bnx2x_chk_parity_attn(bp, &global, true))
10265 do {
10266 /*
10267 * If there are attentions and they are in a global
10268 * blocks, set the GLOBAL_RESET bit regardless whether
10269 * it will be this function that will complete the
10270 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010271 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010272 if (global)
10273 bnx2x_set_reset_global(bp);
10274
10275 /*
10276 * Only the first function on the current engine should
10277 * try to recover in open. In case of attentions in
10278 * global blocks only the first in the chip should try
10279 * to recover.
10280 */
Ariel Elior889b9af2012-01-26 06:01:51 +000010281 if ((!load_status &&
10282 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010283 bnx2x_trylock_leader_lock(bp) &&
10284 !bnx2x_leader_reset(bp)) {
10285 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010286 break;
10287 }
10288
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010289 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010290 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010291 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010292
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010293 netdev_err(bp->dev, "Recovery flow hasn't been properly"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010294 " completed yet. Try again later. If u still see this"
10295 " message after a few retries then power cycle is"
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010296 " required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010297
10298 return -EAGAIN;
10299 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010300
10301 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010302 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010303}
10304
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010305/* called with rtnl_lock */
Ariel Elior83048592011-11-13 04:34:29 +000010306int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010307{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010308 struct bnx2x *bp = netdev_priv(dev);
10309
10310 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010311 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010312
10313 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000010314 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010315
10316 return 0;
10317}
10318
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010319static inline int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
10320 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010321{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010322 int mc_count = netdev_mc_count(bp->dev);
10323 struct bnx2x_mcast_list_elem *mc_mac =
10324 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010325 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010326
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010327 if (!mc_mac)
10328 return -ENOMEM;
10329
10330 INIT_LIST_HEAD(&p->mcast_list);
10331
10332 netdev_for_each_mc_addr(ha, bp->dev) {
10333 mc_mac->mac = bnx2x_mc_addr(ha);
10334 list_add_tail(&mc_mac->link, &p->mcast_list);
10335 mc_mac++;
10336 }
10337
10338 p->mcast_list_len = mc_count;
10339
10340 return 0;
10341}
10342
10343static inline void bnx2x_free_mcast_macs_list(
10344 struct bnx2x_mcast_ramrod_params *p)
10345{
10346 struct bnx2x_mcast_list_elem *mc_mac =
10347 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
10348 link);
10349
10350 WARN_ON(!mc_mac);
10351 kfree(mc_mac);
10352}
10353
10354/**
10355 * bnx2x_set_uc_list - configure a new unicast MACs list.
10356 *
10357 * @bp: driver handle
10358 *
10359 * We will use zero (0) as a MAC type for these MACs.
10360 */
10361static inline int bnx2x_set_uc_list(struct bnx2x *bp)
10362{
10363 int rc;
10364 struct net_device *dev = bp->dev;
10365 struct netdev_hw_addr *ha;
10366 struct bnx2x_vlan_mac_obj *mac_obj = &bp->fp->mac_obj;
10367 unsigned long ramrod_flags = 0;
10368
10369 /* First schedule a cleanup up of old configuration */
10370 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
10371 if (rc < 0) {
10372 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
10373 return rc;
10374 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010375
10376 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010377 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
10378 BNX2X_UC_LIST_MAC, &ramrod_flags);
10379 if (rc < 0) {
10380 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
10381 rc);
10382 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010383 }
10384 }
10385
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010386 /* Execute the pending commands */
10387 __set_bit(RAMROD_CONT, &ramrod_flags);
10388 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
10389 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010390}
10391
10392static inline int bnx2x_set_mc_list(struct bnx2x *bp)
10393{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010394 struct net_device *dev = bp->dev;
10395 struct bnx2x_mcast_ramrod_params rparam = {0};
10396 int rc = 0;
10397
10398 rparam.mcast_obj = &bp->mcast_obj;
10399
10400 /* first, clear all configured multicast MACs */
10401 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
10402 if (rc < 0) {
10403 BNX2X_ERR("Failed to clear multicast "
10404 "configuration: %d\n", rc);
10405 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010406 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010407
10408 /* then, configure a new MACs list */
10409 if (netdev_mc_count(dev)) {
10410 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
10411 if (rc) {
10412 BNX2X_ERR("Failed to create multicast MACs "
10413 "list: %d\n", rc);
10414 return rc;
10415 }
10416
10417 /* Now add the new MACs */
10418 rc = bnx2x_config_mcast(bp, &rparam,
10419 BNX2X_MCAST_CMD_ADD);
10420 if (rc < 0)
10421 BNX2X_ERR("Failed to set a new multicast "
10422 "configuration: %d\n", rc);
10423
10424 bnx2x_free_mcast_macs_list(&rparam);
10425 }
10426
10427 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010428}
10429
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010430
10431/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010432void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010433{
10434 struct bnx2x *bp = netdev_priv(dev);
10435 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010436
10437 if (bp->state != BNX2X_STATE_OPEN) {
10438 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
10439 return;
10440 }
10441
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010442 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010443
10444 if (dev->flags & IFF_PROMISC)
10445 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010446 else if ((dev->flags & IFF_ALLMULTI) ||
10447 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
10448 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010449 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010450 else {
10451 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010452 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010453 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010454
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010455 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010456 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010457 }
10458
10459 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010460#ifdef BCM_CNIC
10461 /* handle ISCSI SD mode */
10462 if (IS_MF_ISCSI_SD(bp))
10463 bp->rx_mode = BNX2X_RX_MODE_NONE;
10464#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010465
10466 /* Schedule the rx_mode command */
10467 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
10468 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
10469 return;
10470 }
10471
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010472 bnx2x_set_storm_rx_mode(bp);
10473}
10474
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010475/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010476static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
10477 int devad, u16 addr)
10478{
10479 struct bnx2x *bp = netdev_priv(netdev);
10480 u16 value;
10481 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010482
10483 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
10484 prtad, devad, addr);
10485
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010486 /* The HW expects different devad if CL22 is used */
10487 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
10488
10489 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010490 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010491 bnx2x_release_phy_lock(bp);
10492 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
10493
10494 if (!rc)
10495 rc = value;
10496 return rc;
10497}
10498
10499/* called with rtnl_lock */
10500static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
10501 u16 addr, u16 value)
10502{
10503 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010504 int rc;
10505
10506 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
10507 " value 0x%x\n", prtad, devad, addr, value);
10508
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010509 /* The HW expects different devad if CL22 is used */
10510 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
10511
10512 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010513 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010514 bnx2x_release_phy_lock(bp);
10515 return rc;
10516}
10517
10518/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010519static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10520{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010521 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010522 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010523
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010524 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
10525 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010526
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010527 if (!netif_running(dev))
10528 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010529
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010530 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010531}
10532
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000010533#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010534static void poll_bnx2x(struct net_device *dev)
10535{
10536 struct bnx2x *bp = netdev_priv(dev);
10537
10538 disable_irq(bp->pdev->irq);
10539 bnx2x_interrupt(bp->pdev->irq, dev);
10540 enable_irq(bp->pdev->irq);
10541}
10542#endif
10543
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010544static int bnx2x_validate_addr(struct net_device *dev)
10545{
10546 struct bnx2x *bp = netdev_priv(dev);
10547
10548 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr))
10549 return -EADDRNOTAVAIL;
10550 return 0;
10551}
10552
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010553static const struct net_device_ops bnx2x_netdev_ops = {
10554 .ndo_open = bnx2x_open,
10555 .ndo_stop = bnx2x_close,
10556 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000010557 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010558 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010559 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010560 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010561 .ndo_do_ioctl = bnx2x_ioctl,
10562 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000010563 .ndo_fix_features = bnx2x_fix_features,
10564 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010565 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000010566#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010567 .ndo_poll_controller = poll_bnx2x,
10568#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000010569 .ndo_setup_tc = bnx2x_setup_tc,
10570
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010571#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
10572 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
10573#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010574};
10575
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010576static inline int bnx2x_set_coherency_mask(struct bnx2x *bp)
10577{
10578 struct device *dev = &bp->pdev->dev;
10579
10580 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
10581 bp->flags |= USING_DAC_FLAG;
10582 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
10583 dev_err(dev, "dma_set_coherent_mask failed, "
10584 "aborting\n");
10585 return -EIO;
10586 }
10587 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
10588 dev_err(dev, "System does not support DMA, aborting\n");
10589 return -EIO;
10590 }
10591
10592 return 0;
10593}
10594
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010595static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010596 struct net_device *dev,
10597 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010598{
10599 struct bnx2x *bp;
10600 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000010601 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000010602 bool chip_is_e1x = (board_type == BCM57710 ||
10603 board_type == BCM57711 ||
10604 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010605
10606 SET_NETDEV_DEV(dev, &pdev->dev);
10607 bp = netdev_priv(dev);
10608
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010609 bp->dev = dev;
10610 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010611 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010612
10613 rc = pci_enable_device(pdev);
10614 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010615 dev_err(&bp->pdev->dev,
10616 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010617 goto err_out;
10618 }
10619
10620 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010621 dev_err(&bp->pdev->dev,
10622 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010623 rc = -ENODEV;
10624 goto err_out_disable;
10625 }
10626
10627 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010628 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
10629 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010630 rc = -ENODEV;
10631 goto err_out_disable;
10632 }
10633
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010634 if (atomic_read(&pdev->enable_cnt) == 1) {
10635 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10636 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010637 dev_err(&bp->pdev->dev,
10638 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010639 goto err_out_disable;
10640 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010641
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010642 pci_set_master(pdev);
10643 pci_save_state(pdev);
10644 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010645
10646 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10647 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010648 dev_err(&bp->pdev->dev,
10649 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010650 rc = -EIO;
10651 goto err_out_release;
10652 }
10653
Jon Mason77c98e62011-06-27 07:45:12 +000010654 if (!pci_is_pcie(pdev)) {
10655 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010656 rc = -EIO;
10657 goto err_out_release;
10658 }
10659
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010660 rc = bnx2x_set_coherency_mask(bp);
10661 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010662 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010663
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010664 dev->mem_start = pci_resource_start(pdev, 0);
10665 dev->base_addr = dev->mem_start;
10666 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010667
10668 dev->irq = pdev->irq;
10669
Arjan van de Ven275f1652008-10-20 21:42:39 -070010670 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010671 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010672 dev_err(&bp->pdev->dev,
10673 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010674 rc = -ENOMEM;
10675 goto err_out_release;
10676 }
10677
Ariel Eliorc22610d02012-01-26 06:01:47 +000010678 /* In E1/E1H use pci device function given by kernel.
10679 * In E2/E3 read physical function from ME register since these chips
10680 * support Physical Device Assignment where kernel BDF maybe arbitrary
10681 * (depending on hypervisor).
10682 */
10683 if (chip_is_e1x)
10684 bp->pf_num = PCI_FUNC(pdev->devfn);
10685 else {/* chip is E2/3*/
10686 pci_read_config_dword(bp->pdev,
10687 PCICFG_ME_REGISTER, &pci_cfg_dword);
10688 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
10689 ME_REG_ABS_PF_NUM_SHIFT);
10690 }
10691 DP(BNX2X_MSG_SP, "me reg PF num: %d\n", bp->pf_num);
10692
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010693 bnx2x_set_power_state(bp, PCI_D0);
10694
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010695 /* clean indirect addresses */
10696 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10697 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040010698 /*
10699 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070010700 * is not used by the driver.
10701 */
10702 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
10703 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
10704 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
10705 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040010706
Ariel Elior65087cf2012-01-23 07:31:55 +000010707 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040010708 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
10709 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
10710 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
10711 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
10712 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010713
Shmulik Ravid21894002011-07-24 03:57:04 +000010714 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010715 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000010716 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010717 */
Ariel Elior65087cf2012-01-23 07:31:55 +000010718 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000010719 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010720
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010721 /* Reset the load counter */
Ariel Elior889b9af2012-01-26 06:01:51 +000010722 bnx2x_clear_load_status(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010723
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010724 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010725
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010726 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010727 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000010728
Jiri Pirko01789342011-08-16 06:29:00 +000010729 dev->priv_flags |= IFF_UNICAST_FLT;
10730
Michał Mirosław66371c42011-04-12 09:38:23 +000010731 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Michal Schmidt6e68c912011-08-23 06:15:32 +000010732 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_LRO |
10733 NETIF_F_RXCSUM | NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000010734
10735 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
10736 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
10737
10738 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010739 if (bp->flags & USING_DAC_FLAG)
10740 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010741
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000010742 /* Add Loopback capability to the device */
10743 dev->hw_features |= NETIF_F_LOOPBACK;
10744
Shmulik Ravid98507672011-02-28 12:19:55 -080010745#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010746 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
10747#endif
10748
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010749 /* get_port_hwinfo() will set prtad and mmds properly */
10750 bp->mdio.prtad = MDIO_PRTAD_NONE;
10751 bp->mdio.mmds = 0;
10752 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
10753 bp->mdio.dev = dev;
10754 bp->mdio.mdio_read = bnx2x_mdio_read;
10755 bp->mdio.mdio_write = bnx2x_mdio_write;
10756
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010757 return 0;
10758
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010759err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010760 if (atomic_read(&pdev->enable_cnt) == 1)
10761 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010762
10763err_out_disable:
10764 pci_disable_device(pdev);
10765 pci_set_drvdata(pdev, NULL);
10766
10767err_out:
10768 return rc;
10769}
10770
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010771static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
10772 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080010773{
10774 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10775
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010776 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10777
10778 /* return value of 1=2.5GHz 2=5GHz */
10779 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080010780}
10781
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000010782static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010783{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010784 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010785 struct bnx2x_fw_file_hdr *fw_hdr;
10786 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010787 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010788 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010789 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010790 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010791
10792 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
10793 return -EINVAL;
10794
10795 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
10796 sections = (struct bnx2x_fw_file_section *)fw_hdr;
10797
10798 /* Make sure none of the offsets and sizes make us read beyond
10799 * the end of the firmware data */
10800 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
10801 offset = be32_to_cpu(sections[i].offset);
10802 len = be32_to_cpu(sections[i].len);
10803 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010804 dev_err(&bp->pdev->dev,
10805 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010806 return -EINVAL;
10807 }
10808 }
10809
10810 /* Likewise for the init_ops offsets */
10811 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
10812 ops_offsets = (u16 *)(firmware->data + offset);
10813 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
10814
10815 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
10816 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010817 dev_err(&bp->pdev->dev,
10818 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010819 return -EINVAL;
10820 }
10821 }
10822
10823 /* Check FW version */
10824 offset = be32_to_cpu(fw_hdr->fw_version.offset);
10825 fw_ver = firmware->data + offset;
10826 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
10827 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
10828 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
10829 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010830 dev_err(&bp->pdev->dev,
10831 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010832 fw_ver[0], fw_ver[1], fw_ver[2],
10833 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
10834 BCM_5710_FW_MINOR_VERSION,
10835 BCM_5710_FW_REVISION_VERSION,
10836 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010837 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010838 }
10839
10840 return 0;
10841}
10842
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010843static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010844{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010845 const __be32 *source = (const __be32 *)_source;
10846 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010847 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010848
10849 for (i = 0; i < n/4; i++)
10850 target[i] = be32_to_cpu(source[i]);
10851}
10852
10853/*
10854 Ops array is stored in the following format:
10855 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
10856 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010857static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010858{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010859 const __be32 *source = (const __be32 *)_source;
10860 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010861 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010862
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010863 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010864 tmp = be32_to_cpu(source[j]);
10865 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010866 target[i].offset = tmp & 0xffffff;
10867 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010868 }
10869}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010870
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010871/**
10872 * IRO array is stored in the following format:
10873 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
10874 */
10875static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
10876{
10877 const __be32 *source = (const __be32 *)_source;
10878 struct iro *target = (struct iro *)_target;
10879 u32 i, j, tmp;
10880
10881 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
10882 target[i].base = be32_to_cpu(source[j]);
10883 j++;
10884 tmp = be32_to_cpu(source[j]);
10885 target[i].m1 = (tmp >> 16) & 0xffff;
10886 target[i].m2 = tmp & 0xffff;
10887 j++;
10888 tmp = be32_to_cpu(source[j]);
10889 target[i].m3 = (tmp >> 16) & 0xffff;
10890 target[i].size = tmp & 0xffff;
10891 j++;
10892 }
10893}
10894
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010895static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010896{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010897 const __be16 *source = (const __be16 *)_source;
10898 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010899 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010900
10901 for (i = 0; i < n/2; i++)
10902 target[i] = be16_to_cpu(source[i]);
10903}
10904
Joe Perches7995c642010-02-17 15:01:52 +000010905#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
10906do { \
10907 u32 len = be32_to_cpu(fw_hdr->arr.len); \
10908 bp->arr = kmalloc(len, GFP_KERNEL); \
Joe Perchese404dec2012-01-29 12:56:23 +000010909 if (!bp->arr) \
Joe Perches7995c642010-02-17 15:01:52 +000010910 goto lbl; \
Joe Perches7995c642010-02-17 15:01:52 +000010911 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
10912 (u8 *)bp->arr, len); \
10913} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010914
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000010915int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010916{
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010917 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000010918 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010919
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010920
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010921 if (!bp->firmware) {
10922 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010923
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010924 if (CHIP_IS_E1(bp))
10925 fw_file_name = FW_FILE_NAME_E1;
10926 else if (CHIP_IS_E1H(bp))
10927 fw_file_name = FW_FILE_NAME_E1H;
10928 else if (!CHIP_IS_E1x(bp))
10929 fw_file_name = FW_FILE_NAME_E2;
10930 else {
10931 BNX2X_ERR("Unsupported chip revision\n");
10932 return -EINVAL;
10933 }
10934 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010935
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010936 rc = request_firmware(&bp->firmware, fw_file_name,
10937 &bp->pdev->dev);
10938 if (rc) {
10939 BNX2X_ERR("Can't load firmware file %s\n",
10940 fw_file_name);
10941 goto request_firmware_exit;
10942 }
10943
10944 rc = bnx2x_check_firmware(bp);
10945 if (rc) {
10946 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
10947 goto request_firmware_exit;
10948 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010949 }
10950
10951 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
10952
10953 /* Initialize the pointers to the init arrays */
10954 /* Blob */
10955 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
10956
10957 /* Opcodes */
10958 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
10959
10960 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010961 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
10962 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010963
10964 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000010965 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10966 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
10967 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
10968 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
10969 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10970 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
10971 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
10972 be32_to_cpu(fw_hdr->usem_pram_data.offset);
10973 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10974 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
10975 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
10976 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
10977 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10978 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
10979 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
10980 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010981 /* IRO */
10982 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010983
10984 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010985
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010986iro_alloc_err:
10987 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010988init_offsets_alloc_err:
10989 kfree(bp->init_ops);
10990init_ops_alloc_err:
10991 kfree(bp->init_data);
10992request_firmware_exit:
10993 release_firmware(bp->firmware);
10994
10995 return rc;
10996}
10997
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010998static void bnx2x_release_firmware(struct bnx2x *bp)
10999{
11000 kfree(bp->init_ops_offsets);
11001 kfree(bp->init_ops);
11002 kfree(bp->init_data);
11003 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011004 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011005}
11006
11007
11008static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
11009 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
11010 .init_hw_cmn = bnx2x_init_hw_common,
11011 .init_hw_port = bnx2x_init_hw_port,
11012 .init_hw_func = bnx2x_init_hw_func,
11013
11014 .reset_hw_cmn = bnx2x_reset_common,
11015 .reset_hw_port = bnx2x_reset_port,
11016 .reset_hw_func = bnx2x_reset_func,
11017
11018 .gunzip_init = bnx2x_gunzip_init,
11019 .gunzip_end = bnx2x_gunzip_end,
11020
11021 .init_fw = bnx2x_init_firmware,
11022 .release_fw = bnx2x_release_firmware,
11023};
11024
11025void bnx2x__init_func_obj(struct bnx2x *bp)
11026{
11027 /* Prepare DMAE related driver resources */
11028 bnx2x_setup_dmae(bp);
11029
11030 bnx2x_init_func_obj(bp, &bp->func_obj,
11031 bnx2x_sp(bp, func_rdata),
11032 bnx2x_sp_mapping(bp, func_rdata),
11033 &bnx2x_func_sp_drv);
11034}
11035
11036/* must be called after sriov-enable */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011037static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011038{
Ariel Elior6383c0b2011-07-14 08:31:57 +000011039 int cid_count = BNX2X_L2_CID_COUNT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011040
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011041#ifdef BCM_CNIC
11042 cid_count += CNIC_CID_MAX;
11043#endif
11044 return roundup(cid_count, QM_CID_ROUND);
11045}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011046
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011047/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011048 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011049 *
11050 * @dev: pci device
11051 *
11052 */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011053static inline int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011054{
11055 int pos;
11056 u16 control;
11057
11058 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011059
Ariel Elior6383c0b2011-07-14 08:31:57 +000011060 /*
11061 * If MSI-X is not supported - return number of SBs needed to support
11062 * one fast path queue: one FP queue + SB for CNIC
11063 */
11064 if (!pos)
11065 return 1 + CNIC_PRESENT;
11066
11067 /*
11068 * The value in the PCI configuration space is the index of the last
11069 * entry, namely one less than the actual size of the table, which is
11070 * exactly what we want to return from this function: number of all SBs
11071 * without the default SB.
11072 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011073 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011074 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011075}
11076
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011077static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11078 const struct pci_device_id *ent)
11079{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011080 struct net_device *dev = NULL;
11081 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011082 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011083 int rc, max_non_def_sbs;
11084 int rx_count, tx_count, rss_count;
11085 /*
11086 * An estimated maximum supported CoS number according to the chip
11087 * version.
11088 * We will try to roughly estimate the maximum number of CoSes this chip
11089 * may support in order to minimize the memory allocated for Tx
11090 * netdev_queue's. This number will be accurately calculated during the
11091 * initialization of bp->max_cos based on the chip versions AND chip
11092 * revision in the bnx2x_init_bp().
11093 */
11094 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011095
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011096 switch (ent->driver_data) {
11097 case BCM57710:
11098 case BCM57711:
11099 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011100 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
11101 break;
11102
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011103 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011104 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011105 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
11106 break;
11107
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011108 case BCM57800:
11109 case BCM57800_MF:
11110 case BCM57810:
11111 case BCM57810_MF:
11112 case BCM57840:
11113 case BCM57840_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011114 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011115 break;
11116
11117 default:
11118 pr_err("Unknown board_type (%ld), aborting\n",
11119 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000011120 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011121 }
11122
Ariel Elior6383c0b2011-07-14 08:31:57 +000011123 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev);
11124
11125 /* !!! FIXME !!!
11126 * Do not allow the maximum SB count to grow above 16
11127 * since Special CIDs starts from 16*BNX2X_MULTI_TX_COS=48.
11128 * We will use the FP_SB_MAX_E1x macro for this matter.
11129 */
11130 max_non_def_sbs = min_t(int, FP_SB_MAX_E1x, max_non_def_sbs);
11131
11132 WARN_ON(!max_non_def_sbs);
11133
11134 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
11135 rss_count = max_non_def_sbs - CNIC_PRESENT;
11136
11137 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
11138 rx_count = rss_count + FCOE_PRESENT;
11139
11140 /*
11141 * Maximum number of netdev Tx queues:
11142 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
11143 */
11144 tx_count = MAX_TXQS_PER_COS * max_cos_est + FCOE_PRESENT;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011145
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011146 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011147 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Joe Perches41de8d42012-01-29 13:47:52 +000011148 if (!dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011149 return -ENOMEM;
11150
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011151 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011152
11153 DP(NETIF_MSG_DRV, "Allocated netdev with %d tx and %d rx queues\n",
11154 tx_count, rx_count);
11155
11156 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000011157 bp->msg_enable = debug;
Eilon Greensteindf4770de2009-08-12 08:23:28 +000011158 pci_set_drvdata(pdev, dev);
11159
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011160 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011161 if (rc < 0) {
11162 free_netdev(dev);
11163 return rc;
11164 }
11165
Joe Perches94f05b02011-08-14 12:16:20 +000011166 DP(NETIF_MSG_DRV, "max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011167
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011168 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000011169 if (rc)
11170 goto init_one_exit;
11171
Ariel Elior6383c0b2011-07-14 08:31:57 +000011172 /*
11173 * Map doorbels here as we need the real value of bp->max_cos which
11174 * is initialized in bnx2x_init_bp().
11175 */
11176 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
11177 min_t(u64, BNX2X_DB_SIZE(bp),
11178 pci_resource_len(pdev, 2)));
11179 if (!bp->doorbells) {
11180 dev_err(&bp->pdev->dev,
11181 "Cannot map doorbell space, aborting\n");
11182 rc = -ENOMEM;
11183 goto init_one_exit;
11184 }
11185
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011186 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011187 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011188
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011189#ifdef BCM_CNIC
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000011190 /* disable FCOE L2 queue for E1x */
11191 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011192 bp->flags |= NO_FCOE_FLAG;
11193
11194#endif
11195
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011196 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011197 * needed, set bp->num_queues appropriately.
11198 */
11199 bnx2x_set_int_mode(bp);
11200
11201 /* Add all NAPI objects */
11202 bnx2x_add_all_napi(bp);
11203
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080011204 rc = register_netdev(dev);
11205 if (rc) {
11206 dev_err(&pdev->dev, "Cannot register net device\n");
11207 goto init_one_exit;
11208 }
11209
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011210#ifdef BCM_CNIC
11211 if (!NO_FCOE(bp)) {
11212 /* Add storage MAC address */
11213 rtnl_lock();
11214 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11215 rtnl_unlock();
11216 }
11217#endif
11218
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011219 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011220
Joe Perches94f05b02011-08-14 12:16:20 +000011221 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx, IRQ %d, node addr %pM\n",
11222 board_info[ent->driver_data].name,
11223 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
11224 pcie_width,
11225 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
11226 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
11227 "5GHz (Gen2)" : "2.5GHz",
11228 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000011229
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011230 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011231
11232init_one_exit:
11233 if (bp->regview)
11234 iounmap(bp->regview);
11235
11236 if (bp->doorbells)
11237 iounmap(bp->doorbells);
11238
11239 free_netdev(dev);
11240
11241 if (atomic_read(&pdev->enable_cnt) == 1)
11242 pci_release_regions(pdev);
11243
11244 pci_disable_device(pdev);
11245 pci_set_drvdata(pdev, NULL);
11246
11247 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011248}
11249
11250static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
11251{
11252 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080011253 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011254
Eliezer Tamir228241e2008-02-28 11:56:57 -080011255 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011256 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080011257 return;
11258 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080011259 bp = netdev_priv(dev);
11260
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011261#ifdef BCM_CNIC
11262 /* Delete storage MAC address */
11263 if (!NO_FCOE(bp)) {
11264 rtnl_lock();
11265 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11266 rtnl_unlock();
11267 }
11268#endif
11269
Shmulik Ravid98507672011-02-28 12:19:55 -080011270#ifdef BCM_DCBNL
11271 /* Delete app tlvs from dcbnl */
11272 bnx2x_dcbnl_update_applist(bp, true);
11273#endif
11274
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011275 unregister_netdev(dev);
11276
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011277 /* Delete all NAPI objects */
11278 bnx2x_del_all_napi(bp);
11279
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011280 /* Power on: we can't let PCI layer write to us while we are in D3 */
11281 bnx2x_set_power_state(bp, PCI_D0);
11282
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011283 /* Disable MSI/MSI-X */
11284 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011285
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011286 /* Power off */
11287 bnx2x_set_power_state(bp, PCI_D3hot);
11288
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011289 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000011290 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011291
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011292 if (bp->regview)
11293 iounmap(bp->regview);
11294
11295 if (bp->doorbells)
11296 iounmap(bp->doorbells);
11297
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011298 bnx2x_release_firmware(bp);
11299
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011300 bnx2x_free_mem_bp(bp);
11301
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011302 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011303
11304 if (atomic_read(&pdev->enable_cnt) == 1)
11305 pci_release_regions(pdev);
11306
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011307 pci_disable_device(pdev);
11308 pci_set_drvdata(pdev, NULL);
11309}
11310
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011311static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
11312{
11313 int i;
11314
11315 bp->state = BNX2X_STATE_ERROR;
11316
11317 bp->rx_mode = BNX2X_RX_MODE_NONE;
11318
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011319#ifdef BCM_CNIC
11320 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
11321#endif
11322 /* Stop Tx */
11323 bnx2x_tx_disable(bp);
11324
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011325 bnx2x_netif_stop(bp, 0);
11326
11327 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011328
11329 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011330
11331 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011332 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011333
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011334 /* Free SKBs, SGEs, TPA pool and driver internals */
11335 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011336
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011337 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011338 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011339
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011340 bnx2x_free_mem(bp);
11341
11342 bp->state = BNX2X_STATE_CLOSED;
11343
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011344 netif_carrier_off(bp->dev);
11345
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011346 return 0;
11347}
11348
11349static void bnx2x_eeh_recover(struct bnx2x *bp)
11350{
11351 u32 val;
11352
11353 mutex_init(&bp->port.phy_mutex);
11354
11355 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
11356 bp->link_params.shmem_base = bp->common.shmem_base;
11357 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
11358
11359 if (!bp->common.shmem_base ||
11360 (bp->common.shmem_base < 0xA0000) ||
11361 (bp->common.shmem_base >= 0xC0000)) {
11362 BNX2X_DEV_INFO("MCP not active\n");
11363 bp->flags |= NO_MCP_FLAG;
11364 return;
11365 }
11366
11367 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
11368 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
11369 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
11370 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011371}
11372
Wendy Xiong493adb12008-06-23 20:36:22 -070011373/**
11374 * bnx2x_io_error_detected - called when PCI error is detected
11375 * @pdev: Pointer to PCI device
11376 * @state: The current pci connection state
11377 *
11378 * This function is called after a PCI bus error affecting
11379 * this device has been detected.
11380 */
11381static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
11382 pci_channel_state_t state)
11383{
11384 struct net_device *dev = pci_get_drvdata(pdev);
11385 struct bnx2x *bp = netdev_priv(dev);
11386
11387 rtnl_lock();
11388
11389 netif_device_detach(dev);
11390
Dean Nelson07ce50e2009-07-31 09:13:25 +000011391 if (state == pci_channel_io_perm_failure) {
11392 rtnl_unlock();
11393 return PCI_ERS_RESULT_DISCONNECT;
11394 }
11395
Wendy Xiong493adb12008-06-23 20:36:22 -070011396 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011397 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070011398
11399 pci_disable_device(pdev);
11400
11401 rtnl_unlock();
11402
11403 /* Request a slot reset */
11404 return PCI_ERS_RESULT_NEED_RESET;
11405}
11406
11407/**
11408 * bnx2x_io_slot_reset - called after the PCI bus has been reset
11409 * @pdev: Pointer to PCI device
11410 *
11411 * Restart the card from scratch, as if from a cold-boot.
11412 */
11413static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
11414{
11415 struct net_device *dev = pci_get_drvdata(pdev);
11416 struct bnx2x *bp = netdev_priv(dev);
11417
11418 rtnl_lock();
11419
11420 if (pci_enable_device(pdev)) {
11421 dev_err(&pdev->dev,
11422 "Cannot re-enable PCI device after reset\n");
11423 rtnl_unlock();
11424 return PCI_ERS_RESULT_DISCONNECT;
11425 }
11426
11427 pci_set_master(pdev);
11428 pci_restore_state(pdev);
11429
11430 if (netif_running(dev))
11431 bnx2x_set_power_state(bp, PCI_D0);
11432
11433 rtnl_unlock();
11434
11435 return PCI_ERS_RESULT_RECOVERED;
11436}
11437
11438/**
11439 * bnx2x_io_resume - called when traffic can start flowing again
11440 * @pdev: Pointer to PCI device
11441 *
11442 * This callback is called when the error recovery driver tells us that
11443 * its OK to resume normal operation.
11444 */
11445static void bnx2x_io_resume(struct pci_dev *pdev)
11446{
11447 struct net_device *dev = pci_get_drvdata(pdev);
11448 struct bnx2x *bp = netdev_priv(dev);
11449
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011450 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000011451 netdev_err(bp->dev, "Handling parity error recovery. "
11452 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011453 return;
11454 }
11455
Wendy Xiong493adb12008-06-23 20:36:22 -070011456 rtnl_lock();
11457
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011458 bnx2x_eeh_recover(bp);
11459
Wendy Xiong493adb12008-06-23 20:36:22 -070011460 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011461 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070011462
11463 netif_device_attach(dev);
11464
11465 rtnl_unlock();
11466}
11467
11468static struct pci_error_handlers bnx2x_err_handler = {
11469 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000011470 .slot_reset = bnx2x_io_slot_reset,
11471 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070011472};
11473
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011474static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070011475 .name = DRV_MODULE_NAME,
11476 .id_table = bnx2x_pci_tbl,
11477 .probe = bnx2x_init_one,
11478 .remove = __devexit_p(bnx2x_remove_one),
11479 .suspend = bnx2x_suspend,
11480 .resume = bnx2x_resume,
11481 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011482};
11483
11484static int __init bnx2x_init(void)
11485{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011486 int ret;
11487
Joe Perches7995c642010-02-17 15:01:52 +000011488 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000011489
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011490 bnx2x_wq = create_singlethread_workqueue("bnx2x");
11491 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000011492 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011493 return -ENOMEM;
11494 }
11495
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011496 ret = pci_register_driver(&bnx2x_pci_driver);
11497 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000011498 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011499 destroy_workqueue(bnx2x_wq);
11500 }
11501 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011502}
11503
11504static void __exit bnx2x_cleanup(void)
11505{
11506 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011507
11508 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011509}
11510
Yaniv Rosner3deb8162011-06-14 01:34:33 +000011511void bnx2x_notify_link_changed(struct bnx2x *bp)
11512{
11513 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
11514}
11515
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011516module_init(bnx2x_init);
11517module_exit(bnx2x_cleanup);
11518
Michael Chan993ac7b2009-10-10 13:46:56 +000011519#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011520/**
11521 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
11522 *
11523 * @bp: driver handle
11524 * @set: set or clear the CAM entry
11525 *
11526 * This function will wait until the ramdord completion returns.
11527 * Return 0 if success, -ENODEV if ramrod doesn't return.
11528 */
11529static inline int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
11530{
11531 unsigned long ramrod_flags = 0;
11532
11533 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
11534 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
11535 &bp->iscsi_l2_mac_obj, true,
11536 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
11537}
Michael Chan993ac7b2009-10-10 13:46:56 +000011538
11539/* count denotes the number of new completions we have seen */
11540static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
11541{
11542 struct eth_spe *spe;
11543
11544#ifdef BNX2X_STOP_ON_ERROR
11545 if (unlikely(bp->panic))
11546 return;
11547#endif
11548
11549 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011550 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000011551 bp->cnic_spq_pending -= count;
11552
Michael Chan993ac7b2009-10-10 13:46:56 +000011553
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011554 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
11555 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
11556 & SPE_HDR_CONN_TYPE) >>
11557 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011558 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
11559 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011560
11561 /* Set validation for iSCSI L2 client before sending SETUP
11562 * ramrod
11563 */
11564 if (type == ETH_CONNECTION_TYPE) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011565 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011566 bnx2x_set_ctx_validation(bp, &bp->context.
11567 vcxt[BNX2X_ISCSI_ETH_CID].eth,
11568 BNX2X_ISCSI_ETH_CID);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011569 }
11570
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011571 /*
11572 * There may be not more than 8 L2, not more than 8 L5 SPEs
11573 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011574 * COMMON ramrods is not more than the EQ and SPQ can
11575 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011576 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011577 if (type == ETH_CONNECTION_TYPE) {
11578 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011579 break;
11580 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011581 atomic_dec(&bp->cq_spq_left);
11582 } else if (type == NONE_CONNECTION_TYPE) {
11583 if (!atomic_read(&bp->eq_spq_left))
11584 break;
11585 else
11586 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011587 } else if ((type == ISCSI_CONNECTION_TYPE) ||
11588 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011589 if (bp->cnic_spq_pending >=
11590 bp->cnic_eth_dev.max_kwqe_pending)
11591 break;
11592 else
11593 bp->cnic_spq_pending++;
11594 } else {
11595 BNX2X_ERR("Unknown SPE type: %d\n", type);
11596 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000011597 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011598 }
Michael Chan993ac7b2009-10-10 13:46:56 +000011599
11600 spe = bnx2x_sp_get_next(bp);
11601 *spe = *bp->cnic_kwq_cons;
11602
Michael Chan993ac7b2009-10-10 13:46:56 +000011603 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
11604 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
11605
11606 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
11607 bp->cnic_kwq_cons = bp->cnic_kwq;
11608 else
11609 bp->cnic_kwq_cons++;
11610 }
11611 bnx2x_sp_prod_update(bp);
11612 spin_unlock_bh(&bp->spq_lock);
11613}
11614
11615static int bnx2x_cnic_sp_queue(struct net_device *dev,
11616 struct kwqe_16 *kwqes[], u32 count)
11617{
11618 struct bnx2x *bp = netdev_priv(dev);
11619 int i;
11620
11621#ifdef BNX2X_STOP_ON_ERROR
11622 if (unlikely(bp->panic))
11623 return -EIO;
11624#endif
11625
Ariel Elior95c6c6162012-01-26 06:01:52 +000011626 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
11627 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
11628 netdev_err(dev, "Handling parity error recovery. Try again "
11629 "later\n");
11630 return -EAGAIN;
11631 }
11632
Michael Chan993ac7b2009-10-10 13:46:56 +000011633 spin_lock_bh(&bp->spq_lock);
11634
11635 for (i = 0; i < count; i++) {
11636 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
11637
11638 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
11639 break;
11640
11641 *bp->cnic_kwq_prod = *spe;
11642
11643 bp->cnic_kwq_pending++;
11644
11645 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
11646 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011647 spe->data.update_data_addr.hi,
11648 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000011649 bp->cnic_kwq_pending);
11650
11651 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
11652 bp->cnic_kwq_prod = bp->cnic_kwq;
11653 else
11654 bp->cnic_kwq_prod++;
11655 }
11656
11657 spin_unlock_bh(&bp->spq_lock);
11658
11659 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
11660 bnx2x_cnic_sp_post(bp, 0);
11661
11662 return i;
11663}
11664
11665static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
11666{
11667 struct cnic_ops *c_ops;
11668 int rc = 0;
11669
11670 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000011671 c_ops = rcu_dereference_protected(bp->cnic_ops,
11672 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000011673 if (c_ops)
11674 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
11675 mutex_unlock(&bp->cnic_mutex);
11676
11677 return rc;
11678}
11679
11680static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
11681{
11682 struct cnic_ops *c_ops;
11683 int rc = 0;
11684
11685 rcu_read_lock();
11686 c_ops = rcu_dereference(bp->cnic_ops);
11687 if (c_ops)
11688 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
11689 rcu_read_unlock();
11690
11691 return rc;
11692}
11693
11694/*
11695 * for commands that have no data
11696 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011697int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000011698{
11699 struct cnic_ctl_info ctl = {0};
11700
11701 ctl.cmd = cmd;
11702
11703 return bnx2x_cnic_ctl_send(bp, &ctl);
11704}
11705
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011706static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000011707{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011708 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000011709
11710 /* first we tell CNIC and only then we count this as a completion */
11711 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
11712 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011713 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000011714
11715 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011716 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000011717}
11718
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011719
11720/* Called with netif_addr_lock_bh() taken.
11721 * Sets an rx_mode config for an iSCSI ETH client.
11722 * Doesn't block.
11723 * Completion should be checked outside.
11724 */
11725static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
11726{
11727 unsigned long accept_flags = 0, ramrod_flags = 0;
11728 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
11729 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
11730
11731 if (start) {
11732 /* Start accepting on iSCSI L2 ring. Accept all multicasts
11733 * because it's the only way for UIO Queue to accept
11734 * multicasts (in non-promiscuous mode only one Queue per
11735 * function will receive multicast packets (leading in our
11736 * case).
11737 */
11738 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
11739 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
11740 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
11741 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
11742
11743 /* Clear STOP_PENDING bit if START is requested */
11744 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
11745
11746 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
11747 } else
11748 /* Clear START_PENDING bit if STOP is requested */
11749 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
11750
11751 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
11752 set_bit(sched_state, &bp->sp_state);
11753 else {
11754 __set_bit(RAMROD_RX, &ramrod_flags);
11755 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
11756 ramrod_flags);
11757 }
11758}
11759
11760
Michael Chan993ac7b2009-10-10 13:46:56 +000011761static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
11762{
11763 struct bnx2x *bp = netdev_priv(dev);
11764 int rc = 0;
11765
11766 switch (ctl->cmd) {
11767 case DRV_CTL_CTXTBL_WR_CMD: {
11768 u32 index = ctl->data.io.offset;
11769 dma_addr_t addr = ctl->data.io.dma_addr;
11770
11771 bnx2x_ilt_wr(bp, index, addr);
11772 break;
11773 }
11774
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011775 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
11776 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000011777
11778 bnx2x_cnic_sp_post(bp, count);
11779 break;
11780 }
11781
11782 /* rtnl_lock is held. */
11783 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011784 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11785 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000011786
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011787 /* Configure the iSCSI classification object */
11788 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
11789 cp->iscsi_l2_client_id,
11790 cp->iscsi_l2_cid, BP_FUNC(bp),
11791 bnx2x_sp(bp, mac_rdata),
11792 bnx2x_sp_mapping(bp, mac_rdata),
11793 BNX2X_FILTER_MAC_PENDING,
11794 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
11795 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011796
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011797 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011798 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
11799 if (rc)
11800 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011801
11802 mmiowb();
11803 barrier();
11804
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011805 /* Start accepting on iSCSI L2 ring */
11806
11807 netif_addr_lock_bh(dev);
11808 bnx2x_set_iscsi_eth_rx_mode(bp, true);
11809 netif_addr_unlock_bh(dev);
11810
11811 /* bits to wait on */
11812 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
11813 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
11814
11815 if (!bnx2x_wait_sp_comp(bp, sp_bits))
11816 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011817
Michael Chan993ac7b2009-10-10 13:46:56 +000011818 break;
11819 }
11820
11821 /* rtnl_lock is held. */
11822 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011823 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000011824
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011825 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011826 netif_addr_lock_bh(dev);
11827 bnx2x_set_iscsi_eth_rx_mode(bp, false);
11828 netif_addr_unlock_bh(dev);
11829
11830 /* bits to wait on */
11831 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
11832 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
11833
11834 if (!bnx2x_wait_sp_comp(bp, sp_bits))
11835 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011836
11837 mmiowb();
11838 barrier();
11839
11840 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011841 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
11842 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000011843 break;
11844 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011845 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
11846 int count = ctl->data.credit.credit_count;
11847
11848 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011849 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011850 smp_mb__after_atomic_inc();
11851 break;
11852 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000011853 case DRV_CTL_ULP_REGISTER_CMD: {
11854 int ulp_type = ctl->data.ulp_type;
11855
11856 if (CHIP_IS_E3(bp)) {
11857 int idx = BP_FW_MB_IDX(bp);
11858 u32 cap;
11859
11860 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
11861 if (ulp_type == CNIC_ULP_ISCSI)
11862 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
11863 else if (ulp_type == CNIC_ULP_FCOE)
11864 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
11865 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
11866 }
11867 break;
11868 }
11869 case DRV_CTL_ULP_UNREGISTER_CMD: {
11870 int ulp_type = ctl->data.ulp_type;
11871
11872 if (CHIP_IS_E3(bp)) {
11873 int idx = BP_FW_MB_IDX(bp);
11874 u32 cap;
11875
11876 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
11877 if (ulp_type == CNIC_ULP_ISCSI)
11878 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
11879 else if (ulp_type == CNIC_ULP_FCOE)
11880 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
11881 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
11882 }
11883 break;
11884 }
Michael Chan993ac7b2009-10-10 13:46:56 +000011885
11886 default:
11887 BNX2X_ERR("unknown command %x\n", ctl->cmd);
11888 rc = -EINVAL;
11889 }
11890
11891 return rc;
11892}
11893
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011894void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000011895{
11896 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11897
11898 if (bp->flags & USING_MSIX_FLAG) {
11899 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
11900 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
11901 cp->irq_arr[0].vector = bp->msix_table[1].vector;
11902 } else {
11903 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
11904 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
11905 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011906 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011907 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
11908 else
11909 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
11910
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011911 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
11912 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000011913 cp->irq_arr[1].status_blk = bp->def_status_blk;
11914 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011915 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000011916
11917 cp->num_irq = 2;
11918}
11919
11920static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
11921 void *data)
11922{
11923 struct bnx2x *bp = netdev_priv(dev);
11924 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11925
11926 if (ops == NULL)
11927 return -EINVAL;
11928
Michael Chan993ac7b2009-10-10 13:46:56 +000011929 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
11930 if (!bp->cnic_kwq)
11931 return -ENOMEM;
11932
11933 bp->cnic_kwq_cons = bp->cnic_kwq;
11934 bp->cnic_kwq_prod = bp->cnic_kwq;
11935 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
11936
11937 bp->cnic_spq_pending = 0;
11938 bp->cnic_kwq_pending = 0;
11939
11940 bp->cnic_data = data;
11941
11942 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011943 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011944 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000011945
Michael Chan993ac7b2009-10-10 13:46:56 +000011946 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011947
Michael Chan993ac7b2009-10-10 13:46:56 +000011948 rcu_assign_pointer(bp->cnic_ops, ops);
11949
11950 return 0;
11951}
11952
11953static int bnx2x_unregister_cnic(struct net_device *dev)
11954{
11955 struct bnx2x *bp = netdev_priv(dev);
11956 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11957
11958 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000011959 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000011960 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000011961 mutex_unlock(&bp->cnic_mutex);
11962 synchronize_rcu();
11963 kfree(bp->cnic_kwq);
11964 bp->cnic_kwq = NULL;
11965
11966 return 0;
11967}
11968
11969struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
11970{
11971 struct bnx2x *bp = netdev_priv(dev);
11972 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11973
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011974 /* If both iSCSI and FCoE are disabled - return NULL in
11975 * order to indicate CNIC that it should not try to work
11976 * with this device.
11977 */
11978 if (NO_ISCSI(bp) && NO_FCOE(bp))
11979 return NULL;
11980
Michael Chan993ac7b2009-10-10 13:46:56 +000011981 cp->drv_owner = THIS_MODULE;
11982 cp->chip_id = CHIP_ID(bp);
11983 cp->pdev = bp->pdev;
11984 cp->io_base = bp->regview;
11985 cp->io_base2 = bp->doorbells;
11986 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011987 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011988 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
11989 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000011990 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011991 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000011992 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
11993 cp->drv_ctl = bnx2x_drv_ctl;
11994 cp->drv_register_cnic = bnx2x_register_cnic;
11995 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011996 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011997 cp->iscsi_l2_client_id =
11998 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011999 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000012000
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000012001 if (NO_ISCSI_OOO(bp))
12002 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
12003
12004 if (NO_ISCSI(bp))
12005 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
12006
12007 if (NO_FCOE(bp))
12008 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
12009
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000012010 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
12011 "starting cid %d\n",
12012 cp->ctx_blk_size,
12013 cp->ctx_tbl_offset,
12014 cp->ctx_tbl_len,
12015 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000012016 return cp;
12017}
12018EXPORT_SYMBOL(bnx2x_cnic_probe);
12019
12020#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012021