blob: c945df06161836815585d5c22fb3639b1ea72506 [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 *
Dmitry Kravkov5de92402011-05-04 23:51:13 +00003 * Copyright (c) 2007-2011 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;
787 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
788
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200789 BNX2X_ERR("begin crash dump -----------------\n");
790
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000791 /* Indices */
792 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000793 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300794 " spq_prod_idx(0x%x) next_stats_cnt(0x%x)\n",
795 bp->def_idx, bp->def_att_idx, bp->attn_state,
796 bp->spq_prod_idx, bp->stats_counter);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000797 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
798 bp->def_status_blk->atten_status_block.attn_bits,
799 bp->def_status_blk->atten_status_block.attn_bits_ack,
800 bp->def_status_blk->atten_status_block.status_block_id,
801 bp->def_status_blk->atten_status_block.attn_bits_index);
802 BNX2X_ERR(" def (");
803 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
804 pr_cont("0x%x%s",
Joe Perchesf1deab52011-08-14 12:16:21 +0000805 bp->def_status_blk->sp_sb.index_values[i],
806 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000807
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000808 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
809 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
810 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
811 i*sizeof(u32));
812
Joe Perchesf1deab52011-08-14 12:16:21 +0000813 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 +0000814 sp_sb_data.igu_sb_id,
815 sp_sb_data.igu_seg_id,
816 sp_sb_data.p_func.pf_id,
817 sp_sb_data.p_func.vnic_id,
818 sp_sb_data.p_func.vf_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300819 sp_sb_data.p_func.vf_valid,
820 sp_sb_data.state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000821
822
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000823 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000824 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000825 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000826 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000827 struct hc_status_block_data_e1x sb_data_e1x;
828 struct hc_status_block_sm *hc_sm_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300829 CHIP_IS_E1x(bp) ?
830 sb_data_e1x.common.state_machine :
831 sb_data_e2.common.state_machine;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000832 struct hc_index_data *hc_index_p =
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300833 CHIP_IS_E1x(bp) ?
834 sb_data_e1x.index_data :
835 sb_data_e2.index_data;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000836 u8 data_size, cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000837 u32 *sb_data_p;
Ariel Elior6383c0b2011-07-14 08:31:57 +0000838 struct bnx2x_fp_txdata txdata;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000839
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000840 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000841 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000842 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000843 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000844 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000845 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000846 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000847 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000848 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000849 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000850 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000851
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000852 /* Tx */
Ariel Elior6383c0b2011-07-14 08:31:57 +0000853 for_each_cos_in_tx_queue(fp, cos)
854 {
855 txdata = fp->txdata[cos];
856 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
857 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
858 " *tx_cons_sb(0x%x)\n",
859 i, txdata.tx_pkt_prod,
860 txdata.tx_pkt_cons, txdata.tx_bd_prod,
861 txdata.tx_bd_cons,
862 le16_to_cpu(*txdata.tx_cons_sb));
863 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000864
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300865 loop = CHIP_IS_E1x(bp) ?
866 HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000867
868 /* host sb data */
869
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000870#ifdef BCM_CNIC
871 if (IS_FCOE_FP(fp))
872 continue;
873#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000874 BNX2X_ERR(" run indexes (");
875 for (j = 0; j < HC_SB_MAX_SM; j++)
876 pr_cont("0x%x%s",
877 fp->sb_running_index[j],
878 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
879
880 BNX2X_ERR(" indexes (");
881 for (j = 0; j < loop; j++)
882 pr_cont("0x%x%s",
883 fp->sb_index_values[j],
884 (j == loop - 1) ? ")" : " ");
885 /* fw sb data */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300886 data_size = CHIP_IS_E1x(bp) ?
887 sizeof(struct hc_status_block_data_e1x) :
888 sizeof(struct hc_status_block_data_e2);
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000889 data_size /= sizeof(u32);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300890 sb_data_p = CHIP_IS_E1x(bp) ?
891 (u32 *)&sb_data_e1x :
892 (u32 *)&sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000893 /* copy sb data in here */
894 for (j = 0; j < data_size; j++)
895 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
896 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
897 j * sizeof(u32));
898
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300899 if (!CHIP_IS_E1x(bp)) {
900 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) "
901 "vnic_id(0x%x) same_igu_sb_1b(0x%x) "
902 "state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000903 sb_data_e2.common.p_func.pf_id,
904 sb_data_e2.common.p_func.vf_id,
905 sb_data_e2.common.p_func.vf_valid,
906 sb_data_e2.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300907 sb_data_e2.common.same_igu_sb_1b,
908 sb_data_e2.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000909 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300910 pr_cont("pf_id(0x%x) vf_id(0x%x) vf_valid(0x%x) "
911 "vnic_id(0x%x) same_igu_sb_1b(0x%x) "
912 "state(0x%x)\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000913 sb_data_e1x.common.p_func.pf_id,
914 sb_data_e1x.common.p_func.vf_id,
915 sb_data_e1x.common.p_func.vf_valid,
916 sb_data_e1x.common.p_func.vnic_id,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300917 sb_data_e1x.common.same_igu_sb_1b,
918 sb_data_e1x.common.state);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000919 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000920
921 /* SB_SMs data */
922 for (j = 0; j < HC_SB_MAX_SM; j++) {
923 pr_cont("SM[%d] __flags (0x%x) "
924 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
925 "time_to_expire (0x%x) "
926 "timer_value(0x%x)\n", j,
927 hc_sm_p[j].__flags,
928 hc_sm_p[j].igu_sb_id,
929 hc_sm_p[j].igu_seg_id,
930 hc_sm_p[j].time_to_expire,
931 hc_sm_p[j].timer_value);
932 }
933
934 /* Indecies data */
935 for (j = 0; j < loop; j++) {
936 pr_cont("INDEX[%d] flags (0x%x) "
937 "timeout (0x%x)\n", j,
938 hc_index_p[j].flags,
939 hc_index_p[j].timeout);
940 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000941 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200942
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000943#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000944 /* Rings */
945 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000946 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000947 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200948
949 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
950 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000951 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200952 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
953 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
954
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000955 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Yuval Mintz44151ac2012-01-23 07:31:56 +0000956 i, j, rx_bd[1], rx_bd[0], sw_bd->data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200957 }
958
Eilon Greenstein3196a882008-08-13 15:58:49 -0700959 start = RX_SGE(fp->rx_sge_prod);
960 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000961 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700962 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
963 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
964
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000965 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
966 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700967 }
968
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200969 start = RCQ_BD(fp->rx_comp_cons - 10);
970 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000971 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200972 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
973
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +0000974 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
975 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200976 }
977 }
978
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000979 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000980 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000981 struct bnx2x_fastpath *fp = &bp->fp[i];
Ariel Elior6383c0b2011-07-14 08:31:57 +0000982 for_each_cos_in_tx_queue(fp, cos) {
983 struct bnx2x_fp_txdata *txdata = &fp->txdata[cos];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000984
Ariel Elior6383c0b2011-07-14 08:31:57 +0000985 start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
986 end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
987 for (j = start; j != end; j = TX_BD(j + 1)) {
988 struct sw_tx_bd *sw_bd =
989 &txdata->tx_buf_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000990
Ariel Elior6383c0b2011-07-14 08:31:57 +0000991 BNX2X_ERR("fp%d: txdata %d, "
992 "packet[%x]=[%p,%x]\n",
993 i, cos, j, sw_bd->skb,
994 sw_bd->first_bd);
995 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000996
Ariel Elior6383c0b2011-07-14 08:31:57 +0000997 start = TX_BD(txdata->tx_bd_cons - 10);
998 end = TX_BD(txdata->tx_bd_cons + 254);
999 for (j = start; j != end; j = TX_BD(j + 1)) {
1000 u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001001
Ariel Elior6383c0b2011-07-14 08:31:57 +00001002 BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]="
1003 "[%x:%x:%x:%x]\n",
1004 i, cos, j, tx_bd[0], tx_bd[1],
1005 tx_bd[2], tx_bd[3]);
1006 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001007 }
1008 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001009#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001010 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001011 bnx2x_mc_assert(bp);
1012 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001013}
1014
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001015/*
1016 * FLR Support for E2
1017 *
1018 * bnx2x_pf_flr_clnup() is called during nic_load in the per function HW
1019 * initialization.
1020 */
1021#define FLR_WAIT_USEC 10000 /* 10 miliseconds */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001022#define FLR_WAIT_INTERVAL 50 /* usec */
1023#define FLR_POLL_CNT (FLR_WAIT_USEC/FLR_WAIT_INTERVAL) /* 200 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001024
1025struct pbf_pN_buf_regs {
1026 int pN;
1027 u32 init_crd;
1028 u32 crd;
1029 u32 crd_freed;
1030};
1031
1032struct pbf_pN_cmd_regs {
1033 int pN;
1034 u32 lines_occup;
1035 u32 lines_freed;
1036};
1037
1038static void bnx2x_pbf_pN_buf_flushed(struct bnx2x *bp,
1039 struct pbf_pN_buf_regs *regs,
1040 u32 poll_count)
1041{
1042 u32 init_crd, crd, crd_start, crd_freed, crd_freed_start;
1043 u32 cur_cnt = poll_count;
1044
1045 crd_freed = crd_freed_start = REG_RD(bp, regs->crd_freed);
1046 crd = crd_start = REG_RD(bp, regs->crd);
1047 init_crd = REG_RD(bp, regs->init_crd);
1048
1049 DP(BNX2X_MSG_SP, "INIT CREDIT[%d] : %x\n", regs->pN, init_crd);
1050 DP(BNX2X_MSG_SP, "CREDIT[%d] : s:%x\n", regs->pN, crd);
1051 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: s:%x\n", regs->pN, crd_freed);
1052
1053 while ((crd != init_crd) && ((u32)SUB_S32(crd_freed, crd_freed_start) <
1054 (init_crd - crd_start))) {
1055 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001056 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001057 crd = REG_RD(bp, regs->crd);
1058 crd_freed = REG_RD(bp, regs->crd_freed);
1059 } else {
1060 DP(BNX2X_MSG_SP, "PBF tx buffer[%d] timed out\n",
1061 regs->pN);
1062 DP(BNX2X_MSG_SP, "CREDIT[%d] : c:%x\n",
1063 regs->pN, crd);
1064 DP(BNX2X_MSG_SP, "CREDIT_FREED[%d]: c:%x\n",
1065 regs->pN, crd_freed);
1066 break;
1067 }
1068 }
1069 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF tx buffer[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001070 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001071}
1072
1073static void bnx2x_pbf_pN_cmd_flushed(struct bnx2x *bp,
1074 struct pbf_pN_cmd_regs *regs,
1075 u32 poll_count)
1076{
1077 u32 occup, to_free, freed, freed_start;
1078 u32 cur_cnt = poll_count;
1079
1080 occup = to_free = REG_RD(bp, regs->lines_occup);
1081 freed = freed_start = REG_RD(bp, regs->lines_freed);
1082
1083 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n", regs->pN, occup);
1084 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n", regs->pN, freed);
1085
1086 while (occup && ((u32)SUB_S32(freed, freed_start) < to_free)) {
1087 if (cur_cnt--) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001088 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001089 occup = REG_RD(bp, regs->lines_occup);
1090 freed = REG_RD(bp, regs->lines_freed);
1091 } else {
1092 DP(BNX2X_MSG_SP, "PBF cmd queue[%d] timed out\n",
1093 regs->pN);
1094 DP(BNX2X_MSG_SP, "OCCUPANCY[%d] : s:%x\n",
1095 regs->pN, occup);
1096 DP(BNX2X_MSG_SP, "LINES_FREED[%d] : s:%x\n",
1097 regs->pN, freed);
1098 break;
1099 }
1100 }
1101 DP(BNX2X_MSG_SP, "Waited %d*%d usec for PBF cmd queue[%d]\n",
Ariel Elior89db4ad2012-01-26 06:01:48 +00001102 poll_count-cur_cnt, FLR_WAIT_INTERVAL, regs->pN);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001103}
1104
1105static inline u32 bnx2x_flr_clnup_reg_poll(struct bnx2x *bp, u32 reg,
1106 u32 expected, u32 poll_count)
1107{
1108 u32 cur_cnt = poll_count;
1109 u32 val;
1110
1111 while ((val = REG_RD(bp, reg)) != expected && cur_cnt--)
Ariel Elior89db4ad2012-01-26 06:01:48 +00001112 udelay(FLR_WAIT_INTERVAL);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001113
1114 return val;
1115}
1116
1117static inline int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
1118 char *msg, u32 poll_cnt)
1119{
1120 u32 val = bnx2x_flr_clnup_reg_poll(bp, reg, 0, poll_cnt);
1121 if (val != 0) {
1122 BNX2X_ERR("%s usage count=%d\n", msg, val);
1123 return 1;
1124 }
1125 return 0;
1126}
1127
1128static u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp)
1129{
1130 /* adjust polling timeout */
1131 if (CHIP_REV_IS_EMUL(bp))
1132 return FLR_POLL_CNT * 2000;
1133
1134 if (CHIP_REV_IS_FPGA(bp))
1135 return FLR_POLL_CNT * 120;
1136
1137 return FLR_POLL_CNT;
1138}
1139
1140static void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count)
1141{
1142 struct pbf_pN_cmd_regs cmd_regs[] = {
1143 {0, (CHIP_IS_E3B0(bp)) ?
1144 PBF_REG_TQ_OCCUPANCY_Q0 :
1145 PBF_REG_P0_TQ_OCCUPANCY,
1146 (CHIP_IS_E3B0(bp)) ?
1147 PBF_REG_TQ_LINES_FREED_CNT_Q0 :
1148 PBF_REG_P0_TQ_LINES_FREED_CNT},
1149 {1, (CHIP_IS_E3B0(bp)) ?
1150 PBF_REG_TQ_OCCUPANCY_Q1 :
1151 PBF_REG_P1_TQ_OCCUPANCY,
1152 (CHIP_IS_E3B0(bp)) ?
1153 PBF_REG_TQ_LINES_FREED_CNT_Q1 :
1154 PBF_REG_P1_TQ_LINES_FREED_CNT},
1155 {4, (CHIP_IS_E3B0(bp)) ?
1156 PBF_REG_TQ_OCCUPANCY_LB_Q :
1157 PBF_REG_P4_TQ_OCCUPANCY,
1158 (CHIP_IS_E3B0(bp)) ?
1159 PBF_REG_TQ_LINES_FREED_CNT_LB_Q :
1160 PBF_REG_P4_TQ_LINES_FREED_CNT}
1161 };
1162
1163 struct pbf_pN_buf_regs buf_regs[] = {
1164 {0, (CHIP_IS_E3B0(bp)) ?
1165 PBF_REG_INIT_CRD_Q0 :
1166 PBF_REG_P0_INIT_CRD ,
1167 (CHIP_IS_E3B0(bp)) ?
1168 PBF_REG_CREDIT_Q0 :
1169 PBF_REG_P0_CREDIT,
1170 (CHIP_IS_E3B0(bp)) ?
1171 PBF_REG_INTERNAL_CRD_FREED_CNT_Q0 :
1172 PBF_REG_P0_INTERNAL_CRD_FREED_CNT},
1173 {1, (CHIP_IS_E3B0(bp)) ?
1174 PBF_REG_INIT_CRD_Q1 :
1175 PBF_REG_P1_INIT_CRD,
1176 (CHIP_IS_E3B0(bp)) ?
1177 PBF_REG_CREDIT_Q1 :
1178 PBF_REG_P1_CREDIT,
1179 (CHIP_IS_E3B0(bp)) ?
1180 PBF_REG_INTERNAL_CRD_FREED_CNT_Q1 :
1181 PBF_REG_P1_INTERNAL_CRD_FREED_CNT},
1182 {4, (CHIP_IS_E3B0(bp)) ?
1183 PBF_REG_INIT_CRD_LB_Q :
1184 PBF_REG_P4_INIT_CRD,
1185 (CHIP_IS_E3B0(bp)) ?
1186 PBF_REG_CREDIT_LB_Q :
1187 PBF_REG_P4_CREDIT,
1188 (CHIP_IS_E3B0(bp)) ?
1189 PBF_REG_INTERNAL_CRD_FREED_CNT_LB_Q :
1190 PBF_REG_P4_INTERNAL_CRD_FREED_CNT},
1191 };
1192
1193 int i;
1194
1195 /* Verify the command queues are flushed P0, P1, P4 */
1196 for (i = 0; i < ARRAY_SIZE(cmd_regs); i++)
1197 bnx2x_pbf_pN_cmd_flushed(bp, &cmd_regs[i], poll_count);
1198
1199
1200 /* Verify the transmission buffers are flushed P0, P1, P4 */
1201 for (i = 0; i < ARRAY_SIZE(buf_regs); i++)
1202 bnx2x_pbf_pN_buf_flushed(bp, &buf_regs[i], poll_count);
1203}
1204
1205#define OP_GEN_PARAM(param) \
1206 (((param) << SDM_OP_GEN_COMP_PARAM_SHIFT) & SDM_OP_GEN_COMP_PARAM)
1207
1208#define OP_GEN_TYPE(type) \
1209 (((type) << SDM_OP_GEN_COMP_TYPE_SHIFT) & SDM_OP_GEN_COMP_TYPE)
1210
1211#define OP_GEN_AGG_VECT(index) \
1212 (((index) << SDM_OP_GEN_AGG_VECT_IDX_SHIFT) & SDM_OP_GEN_AGG_VECT_IDX)
1213
1214
1215static inline int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
1216 u32 poll_cnt)
1217{
1218 struct sdm_op_gen op_gen = {0};
1219
1220 u32 comp_addr = BAR_CSTRORM_INTMEM +
1221 CSTORM_FINAL_CLEANUP_COMPLETE_OFFSET(clnup_func);
1222 int ret = 0;
1223
1224 if (REG_RD(bp, comp_addr)) {
Ariel Elior89db4ad2012-01-26 06:01:48 +00001225 BNX2X_ERR("Cleanup complete was not 0 before sending\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001226 return 1;
1227 }
1228
1229 op_gen.command |= OP_GEN_PARAM(XSTORM_AGG_INT_FINAL_CLEANUP_INDEX);
1230 op_gen.command |= OP_GEN_TYPE(XSTORM_AGG_INT_FINAL_CLEANUP_COMP_TYPE);
1231 op_gen.command |= OP_GEN_AGG_VECT(clnup_func);
1232 op_gen.command |= 1 << SDM_OP_GEN_AGG_VECT_IDX_VALID_SHIFT;
1233
Ariel Elior89db4ad2012-01-26 06:01:48 +00001234 DP(BNX2X_MSG_SP, "sending FW Final cleanup\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001235 REG_WR(bp, XSDM_REG_OPERATION_GEN, op_gen.command);
1236
1237 if (bnx2x_flr_clnup_reg_poll(bp, comp_addr, 1, poll_cnt) != 1) {
1238 BNX2X_ERR("FW final cleanup did not succeed\n");
1239 ret = 1;
1240 }
1241 /* Zero completion for nxt FLR */
1242 REG_WR(bp, comp_addr, 0);
1243
1244 return ret;
1245}
1246
1247static inline u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
1248{
1249 int pos;
1250 u16 status;
1251
Jon Mason77c98e62011-06-27 07:45:12 +00001252 pos = pci_pcie_cap(dev);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001253 if (!pos)
1254 return false;
1255
1256 pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
1257 return status & PCI_EXP_DEVSTA_TRPND;
1258}
1259
1260/* PF FLR specific routines
1261*/
1262static int bnx2x_poll_hw_usage_counters(struct bnx2x *bp, u32 poll_cnt)
1263{
1264
1265 /* wait for CFC PF usage-counter to zero (includes all the VFs) */
1266 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1267 CFC_REG_NUM_LCIDS_INSIDE_PF,
1268 "CFC PF usage counter timed out",
1269 poll_cnt))
1270 return 1;
1271
1272
1273 /* Wait for DQ PF usage-counter to zero (until DQ cleanup) */
1274 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1275 DORQ_REG_PF_USAGE_CNT,
1276 "DQ PF usage counter timed out",
1277 poll_cnt))
1278 return 1;
1279
1280 /* Wait for QM PF usage-counter to zero (until DQ cleanup) */
1281 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1282 QM_REG_PF_USG_CNT_0 + 4*BP_FUNC(bp),
1283 "QM PF usage counter timed out",
1284 poll_cnt))
1285 return 1;
1286
1287 /* Wait for Timer PF usage-counters to zero (until DQ cleanup) */
1288 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1289 TM_REG_LIN0_VNIC_UC + 4*BP_PORT(bp),
1290 "Timers VNIC usage counter timed out",
1291 poll_cnt))
1292 return 1;
1293 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1294 TM_REG_LIN0_NUM_SCANS + 4*BP_PORT(bp),
1295 "Timers NUM_SCANS usage counter timed out",
1296 poll_cnt))
1297 return 1;
1298
1299 /* Wait DMAE PF usage counter to zero */
1300 if (bnx2x_flr_clnup_poll_hw_counter(bp,
1301 dmae_reg_go_c[INIT_DMAE_C(bp)],
1302 "DMAE dommand register timed out",
1303 poll_cnt))
1304 return 1;
1305
1306 return 0;
1307}
1308
1309static void bnx2x_hw_enable_status(struct bnx2x *bp)
1310{
1311 u32 val;
1312
1313 val = REG_RD(bp, CFC_REG_WEAK_ENABLE_PF);
1314 DP(BNX2X_MSG_SP, "CFC_REG_WEAK_ENABLE_PF is 0x%x\n", val);
1315
1316 val = REG_RD(bp, PBF_REG_DISABLE_PF);
1317 DP(BNX2X_MSG_SP, "PBF_REG_DISABLE_PF is 0x%x\n", val);
1318
1319 val = REG_RD(bp, IGU_REG_PCI_PF_MSI_EN);
1320 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSI_EN is 0x%x\n", val);
1321
1322 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_EN);
1323 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_EN is 0x%x\n", val);
1324
1325 val = REG_RD(bp, IGU_REG_PCI_PF_MSIX_FUNC_MASK);
1326 DP(BNX2X_MSG_SP, "IGU_REG_PCI_PF_MSIX_FUNC_MASK is 0x%x\n", val);
1327
1328 val = REG_RD(bp, PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR);
1329 DP(BNX2X_MSG_SP, "PGLUE_B_REG_SHADOW_BME_PF_7_0_CLR is 0x%x\n", val);
1330
1331 val = REG_RD(bp, PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR);
1332 DP(BNX2X_MSG_SP, "PGLUE_B_REG_FLR_REQUEST_PF_7_0_CLR is 0x%x\n", val);
1333
1334 val = REG_RD(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER);
1335 DP(BNX2X_MSG_SP, "PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER is 0x%x\n",
1336 val);
1337}
1338
1339static int bnx2x_pf_flr_clnup(struct bnx2x *bp)
1340{
1341 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1342
1343 DP(BNX2X_MSG_SP, "Cleanup after FLR PF[%d]\n", BP_ABS_FUNC(bp));
1344
1345 /* Re-enable PF target read access */
1346 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
1347
1348 /* Poll HW usage counters */
Ariel Elior89db4ad2012-01-26 06:01:48 +00001349 DP(BNX2X_MSG_SP, "Polling usage counters\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001350 if (bnx2x_poll_hw_usage_counters(bp, poll_cnt))
1351 return -EBUSY;
1352
1353 /* Zero the igu 'trailing edge' and 'leading edge' */
1354
1355 /* Send the FW cleanup command */
1356 if (bnx2x_send_final_clnup(bp, (u8)BP_FUNC(bp), poll_cnt))
1357 return -EBUSY;
1358
1359 /* ATC cleanup */
1360
1361 /* Verify TX hw is flushed */
1362 bnx2x_tx_hw_flushed(bp, poll_cnt);
1363
1364 /* Wait 100ms (not adjusted according to platform) */
1365 msleep(100);
1366
1367 /* Verify no pending pci transactions */
1368 if (bnx2x_is_pcie_pending(bp->pdev))
1369 BNX2X_ERR("PCIE Transactions still pending\n");
1370
1371 /* Debug */
1372 bnx2x_hw_enable_status(bp);
1373
1374 /*
1375 * Master enable - Due to WB DMAE writes performed before this
1376 * register is re-initialized as part of the regular function init
1377 */
1378 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
1379
1380 return 0;
1381}
1382
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001383static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001384{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001385 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001386 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1387 u32 val = REG_RD(bp, addr);
1388 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001389 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001390
1391 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001392 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1393 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001394 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1395 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001396 } else if (msi) {
1397 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1398 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1399 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1400 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001401 } else {
1402 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001403 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001404 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1405 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001406
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001407 if (!CHIP_IS_E1(bp)) {
1408 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1409 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001410
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001411 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001412
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001413 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1414 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 }
1416
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001417 if (CHIP_IS_E1(bp))
1418 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1419
Eilon Greenstein8badd272009-02-12 08:36:15 +00001420 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1421 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001422
1423 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001424 /*
1425 * Ensure that HC_CONFIG is written before leading/trailing edge config
1426 */
1427 mmiowb();
1428 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001429
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001430 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001431 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001432 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001433 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001434 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001435 /* enable nig and gpio3 attention */
1436 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001437 } else
1438 val = 0xffff;
1439
1440 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1441 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1442 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001443
1444 /* Make sure that interrupts are indeed enabled from here on */
1445 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001446}
1447
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001448static void bnx2x_igu_int_enable(struct bnx2x *bp)
1449{
1450 u32 val;
1451 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1452 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1453
1454 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1455
1456 if (msix) {
1457 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1458 IGU_PF_CONF_SINGLE_ISR_EN);
1459 val |= (IGU_PF_CONF_FUNC_EN |
1460 IGU_PF_CONF_MSI_MSIX_EN |
1461 IGU_PF_CONF_ATTN_BIT_EN);
1462 } else if (msi) {
1463 val &= ~IGU_PF_CONF_INT_LINE_EN;
1464 val |= (IGU_PF_CONF_FUNC_EN |
1465 IGU_PF_CONF_MSI_MSIX_EN |
1466 IGU_PF_CONF_ATTN_BIT_EN |
1467 IGU_PF_CONF_SINGLE_ISR_EN);
1468 } else {
1469 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1470 val |= (IGU_PF_CONF_FUNC_EN |
1471 IGU_PF_CONF_INT_LINE_EN |
1472 IGU_PF_CONF_ATTN_BIT_EN |
1473 IGU_PF_CONF_SINGLE_ISR_EN);
1474 }
1475
1476 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1477 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1478
1479 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1480
1481 barrier();
1482
1483 /* init leading/trailing edge */
1484 if (IS_MF(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04001485 val = (0xee0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001486 if (bp->port.pmf)
1487 /* enable nig and gpio3 attention */
1488 val |= 0x1100;
1489 } else
1490 val = 0xffff;
1491
1492 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1493 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1494
1495 /* Make sure that interrupts are indeed enabled from here on */
1496 mmiowb();
1497}
1498
1499void bnx2x_int_enable(struct bnx2x *bp)
1500{
1501 if (bp->common.int_block == INT_BLOCK_HC)
1502 bnx2x_hc_int_enable(bp);
1503 else
1504 bnx2x_igu_int_enable(bp);
1505}
1506
1507static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001508{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001509 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001510 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1511 u32 val = REG_RD(bp, addr);
1512
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001513 /*
1514 * in E1 we must use only PCI configuration space to disable
1515 * MSI/MSIX capablility
1516 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1517 */
1518 if (CHIP_IS_E1(bp)) {
1519 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1520 * Use mask register to prevent from HC sending interrupts
1521 * after we exit the function
1522 */
1523 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1524
1525 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1526 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1527 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1528 } else
1529 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1530 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1531 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1532 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001533
1534 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1535 val, port, addr);
1536
Eilon Greenstein8badd272009-02-12 08:36:15 +00001537 /* flush all outstanding writes */
1538 mmiowb();
1539
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001540 REG_WR(bp, addr, val);
1541 if (REG_RD(bp, addr) != val)
1542 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1543}
1544
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001545static void bnx2x_igu_int_disable(struct bnx2x *bp)
1546{
1547 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1548
1549 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1550 IGU_PF_CONF_INT_LINE_EN |
1551 IGU_PF_CONF_ATTN_BIT_EN);
1552
1553 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1554
1555 /* flush all outstanding writes */
1556 mmiowb();
1557
1558 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1559 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1560 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1561}
1562
Ariel Elior6383c0b2011-07-14 08:31:57 +00001563void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001564{
1565 if (bp->common.int_block == INT_BLOCK_HC)
1566 bnx2x_hc_int_disable(bp);
1567 else
1568 bnx2x_igu_int_disable(bp);
1569}
1570
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001571void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001572{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001573 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001574 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001575
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001576 if (disable_hw)
1577 /* prevent the HW from sending interrupts */
1578 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001579
1580 /* make sure all ISRs are done */
1581 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001582 synchronize_irq(bp->msix_table[0].vector);
1583 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001584#ifdef BCM_CNIC
1585 offset++;
1586#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001587 for_each_eth_queue(bp, i)
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00001588 synchronize_irq(bp->msix_table[offset++].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001589 } else
1590 synchronize_irq(bp->pdev->irq);
1591
1592 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001593 cancel_delayed_work(&bp->sp_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00001594 cancel_delayed_work(&bp->period_task);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001595 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001596}
1597
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001598/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001599
1600/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001601 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001602 */
1603
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001604/* Return true if succeeded to acquire the lock */
1605static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1606{
1607 u32 lock_status;
1608 u32 resource_bit = (1 << resource);
1609 int func = BP_FUNC(bp);
1610 u32 hw_lock_control_reg;
1611
1612 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1613
1614 /* Validating that the resource is within range */
1615 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1616 DP(NETIF_MSG_HW,
1617 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1618 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001619 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001620 }
1621
1622 if (func <= 5)
1623 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1624 else
1625 hw_lock_control_reg =
1626 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1627
1628 /* Try to acquire the lock */
1629 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1630 lock_status = REG_RD(bp, hw_lock_control_reg);
1631 if (lock_status & resource_bit)
1632 return true;
1633
1634 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1635 return false;
1636}
1637
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001638/**
1639 * bnx2x_get_leader_lock_resource - get the recovery leader resource id
1640 *
1641 * @bp: driver handle
1642 *
1643 * Returns the recovery leader resource id according to the engine this function
1644 * belongs to. Currently only only 2 engines is supported.
1645 */
1646static inline int bnx2x_get_leader_lock_resource(struct bnx2x *bp)
1647{
1648 if (BP_PATH(bp))
1649 return HW_LOCK_RESOURCE_RECOVERY_LEADER_1;
1650 else
1651 return HW_LOCK_RESOURCE_RECOVERY_LEADER_0;
1652}
1653
1654/**
1655 * bnx2x_trylock_leader_lock- try to aquire a leader lock.
1656 *
1657 * @bp: driver handle
1658 *
1659 * Tries to aquire a leader lock for cuurent engine.
1660 */
1661static inline bool bnx2x_trylock_leader_lock(struct bnx2x *bp)
1662{
1663 return bnx2x_trylock_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1664}
1665
Michael Chan993ac7b2009-10-10 13:46:56 +00001666#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001667static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err);
Michael Chan993ac7b2009-10-10 13:46:56 +00001668#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001669
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001670void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001671{
1672 struct bnx2x *bp = fp->bp;
1673 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1674 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001675 enum bnx2x_queue_cmd drv_cmd = BNX2X_Q_CMD_MAX;
1676 struct bnx2x_queue_sp_obj *q_obj = &fp->q_obj;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001677
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001678 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001679 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001680 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001681 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001682
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001683 switch (command) {
1684 case (RAMROD_CMD_ID_ETH_CLIENT_UPDATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001685 DP(BNX2X_MSG_SP, "got UPDATE ramrod. CID %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001686 drv_cmd = BNX2X_Q_CMD_UPDATE;
1687 break;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001688
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001689 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001690 DP(BNX2X_MSG_SP, "got MULTI[%d] setup ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001691 drv_cmd = BNX2X_Q_CMD_SETUP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001692 break;
1693
Ariel Elior6383c0b2011-07-14 08:31:57 +00001694 case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
1695 DP(NETIF_MSG_IFUP, "got MULTI[%d] tx-only setup ramrod\n", cid);
1696 drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
1697 break;
1698
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001699 case (RAMROD_CMD_ID_ETH_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001700 DP(BNX2X_MSG_SP, "got MULTI[%d] halt ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001701 drv_cmd = BNX2X_Q_CMD_HALT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001702 break;
1703
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001704 case (RAMROD_CMD_ID_ETH_TERMINATE):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001705 DP(BNX2X_MSG_SP, "got MULTI[%d] teminate ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001706 drv_cmd = BNX2X_Q_CMD_TERMINATE;
1707 break;
1708
1709 case (RAMROD_CMD_ID_ETH_EMPTY):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001710 DP(BNX2X_MSG_SP, "got MULTI[%d] empty ramrod\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001711 drv_cmd = BNX2X_Q_CMD_EMPTY;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001712 break;
1713
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001714 default:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001715 BNX2X_ERR("unexpected MC reply (%d) on fp[%d]\n",
1716 command, fp->index);
1717 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001718 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001719
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001720 if ((drv_cmd != BNX2X_Q_CMD_MAX) &&
1721 q_obj->complete_cmd(bp, q_obj, drv_cmd))
1722 /* q_obj->complete_cmd() failure means that this was
1723 * an unexpected completion.
1724 *
1725 * In this case we don't want to increase the bp->spq_left
1726 * because apparently we haven't sent this command the first
1727 * place.
1728 */
1729#ifdef BNX2X_STOP_ON_ERROR
1730 bnx2x_panic();
1731#else
1732 return;
1733#endif
1734
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001735 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001736 atomic_inc(&bp->cq_spq_left);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001737 /* push the change in bp->spq_left and towards the memory */
1738 smp_mb__after_atomic_inc();
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001739
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00001740 DP(BNX2X_MSG_SP, "bp->cq_spq_left %x\n", atomic_read(&bp->cq_spq_left));
1741
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001742 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001743}
1744
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001745void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1746 u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod)
1747{
1748 u32 start = BAR_USTRORM_INTMEM + fp->ustorm_rx_prods_offset;
1749
1750 bnx2x_update_rx_prod_gen(bp, fp, bd_prod, rx_comp_prod, rx_sge_prod,
1751 start);
1752}
1753
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001754irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001755{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001756 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001757 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001758 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001759 int i;
Ariel Elior6383c0b2011-07-14 08:31:57 +00001760 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001761
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001762 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001763 if (unlikely(status == 0)) {
1764 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1765 return IRQ_NONE;
1766 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001767 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001768
Eilon Greenstein3196a882008-08-13 15:58:49 -07001769#ifdef BNX2X_STOP_ON_ERROR
1770 if (unlikely(bp->panic))
1771 return IRQ_HANDLED;
1772#endif
1773
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001774 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001775 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001776
Ariel Elior6383c0b2011-07-14 08:31:57 +00001777 mask = 0x2 << (fp->index + CNIC_PRESENT);
Eilon Greensteinca003922009-08-12 22:53:28 -07001778 if (status & mask) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001779 /* Handle Rx or Tx according to SB id */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001780 prefetch(fp->rx_cons_sb);
Ariel Elior6383c0b2011-07-14 08:31:57 +00001781 for_each_cos_in_tx_queue(fp, cos)
1782 prefetch(fp->txdata[cos].tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001783 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001784 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001785 status &= ~mask;
1786 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001787 }
1788
Michael Chan993ac7b2009-10-10 13:46:56 +00001789#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001790 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001791 if (status & (mask | 0x1)) {
1792 struct cnic_ops *c_ops = NULL;
1793
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03001794 if (likely(bp->state == BNX2X_STATE_OPEN)) {
1795 rcu_read_lock();
1796 c_ops = rcu_dereference(bp->cnic_ops);
1797 if (c_ops)
1798 c_ops->cnic_handler(bp->cnic_data, NULL);
1799 rcu_read_unlock();
1800 }
Michael Chan993ac7b2009-10-10 13:46:56 +00001801
1802 status &= ~mask;
1803 }
1804#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001805
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001806 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001807 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001808
1809 status &= ~0x1;
1810 if (!status)
1811 return IRQ_HANDLED;
1812 }
1813
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001814 if (unlikely(status))
1815 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001816 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001817
1818 return IRQ_HANDLED;
1819}
1820
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001821/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001822
1823/*
1824 * General service functions
1825 */
1826
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001827int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001828{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001829 u32 lock_status;
1830 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001831 int func = BP_FUNC(bp);
1832 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001833 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001834
1835 /* Validating that the resource is within range */
1836 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1837 DP(NETIF_MSG_HW,
1838 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1839 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1840 return -EINVAL;
1841 }
1842
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001843 if (func <= 5) {
1844 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1845 } else {
1846 hw_lock_control_reg =
1847 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1848 }
1849
Eliezer Tamirf1410642008-02-28 11:51:50 -08001850 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001851 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001852 if (lock_status & resource_bit) {
1853 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1854 lock_status, resource_bit);
1855 return -EEXIST;
1856 }
1857
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001858 /* Try for 5 second every 5ms */
1859 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001860 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001861 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1862 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001863 if (lock_status & resource_bit)
1864 return 0;
1865
1866 msleep(5);
1867 }
1868 DP(NETIF_MSG_HW, "Timeout\n");
1869 return -EAGAIN;
1870}
1871
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00001872int bnx2x_release_leader_lock(struct bnx2x *bp)
1873{
1874 return bnx2x_release_hw_lock(bp, bnx2x_get_leader_lock_resource(bp));
1875}
1876
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001877int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001878{
1879 u32 lock_status;
1880 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001881 int func = BP_FUNC(bp);
1882 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001883
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001884 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1885
Eliezer Tamirf1410642008-02-28 11:51:50 -08001886 /* Validating that the resource is within range */
1887 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1888 DP(NETIF_MSG_HW,
1889 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1890 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1891 return -EINVAL;
1892 }
1893
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001894 if (func <= 5) {
1895 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1896 } else {
1897 hw_lock_control_reg =
1898 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1899 }
1900
Eliezer Tamirf1410642008-02-28 11:51:50 -08001901 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001902 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001903 if (!(lock_status & resource_bit)) {
1904 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1905 lock_status, resource_bit);
1906 return -EFAULT;
1907 }
1908
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001909 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001910 return 0;
1911}
1912
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001913
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001914int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1915{
1916 /* The GPIO should be swapped if swap register is set and active */
1917 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1918 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1919 int gpio_shift = gpio_num +
1920 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1921 u32 gpio_mask = (1 << gpio_shift);
1922 u32 gpio_reg;
1923 int value;
1924
1925 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1926 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1927 return -EINVAL;
1928 }
1929
1930 /* read GPIO value */
1931 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1932
1933 /* get the requested pin value */
1934 if ((gpio_reg & gpio_mask) == gpio_mask)
1935 value = 1;
1936 else
1937 value = 0;
1938
1939 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1940
1941 return value;
1942}
1943
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001944int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001945{
1946 /* The GPIO should be swapped if swap register is set and active */
1947 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001948 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001949 int gpio_shift = gpio_num +
1950 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1951 u32 gpio_mask = (1 << gpio_shift);
1952 u32 gpio_reg;
1953
1954 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1955 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1956 return -EINVAL;
1957 }
1958
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001959 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001960 /* read GPIO and mask except the float bits */
1961 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1962
1963 switch (mode) {
1964 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1965 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1966 gpio_num, gpio_shift);
1967 /* clear FLOAT and set CLR */
1968 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1969 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1970 break;
1971
1972 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1973 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1974 gpio_num, gpio_shift);
1975 /* clear FLOAT and set SET */
1976 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1977 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1978 break;
1979
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001980 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001981 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1982 gpio_num, gpio_shift);
1983 /* set FLOAT */
1984 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1985 break;
1986
1987 default:
1988 break;
1989 }
1990
1991 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001992 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001993
1994 return 0;
1995}
1996
Yaniv Rosner0d40f0d2011-06-14 01:34:27 +00001997int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode)
1998{
1999 u32 gpio_reg = 0;
2000 int rc = 0;
2001
2002 /* Any port swapping should be handled by caller. */
2003
2004 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2005 /* read GPIO and mask except the float bits */
2006 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
2007 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2008 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_CLR_POS);
2009 gpio_reg &= ~(pins << MISC_REGISTERS_GPIO_SET_POS);
2010
2011 switch (mode) {
2012 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
2013 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output low\n", pins);
2014 /* set CLR */
2015 gpio_reg |= (pins << MISC_REGISTERS_GPIO_CLR_POS);
2016 break;
2017
2018 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
2019 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> output high\n", pins);
2020 /* set SET */
2021 gpio_reg |= (pins << MISC_REGISTERS_GPIO_SET_POS);
2022 break;
2023
2024 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
2025 DP(NETIF_MSG_LINK, "Set GPIO 0x%x -> input\n", pins);
2026 /* set FLOAT */
2027 gpio_reg |= (pins << MISC_REGISTERS_GPIO_FLOAT_POS);
2028 break;
2029
2030 default:
2031 BNX2X_ERR("Invalid GPIO mode assignment %d\n", mode);
2032 rc = -EINVAL;
2033 break;
2034 }
2035
2036 if (rc == 0)
2037 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
2038
2039 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2040
2041 return rc;
2042}
2043
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00002044int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
2045{
2046 /* The GPIO should be swapped if swap register is set and active */
2047 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
2048 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
2049 int gpio_shift = gpio_num +
2050 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
2051 u32 gpio_mask = (1 << gpio_shift);
2052 u32 gpio_reg;
2053
2054 if (gpio_num > MISC_REGISTERS_GPIO_3) {
2055 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
2056 return -EINVAL;
2057 }
2058
2059 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2060 /* read GPIO int */
2061 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
2062
2063 switch (mode) {
2064 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
2065 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
2066 "output low\n", gpio_num, gpio_shift);
2067 /* clear SET and set CLR */
2068 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2069 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2070 break;
2071
2072 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
2073 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
2074 "output high\n", gpio_num, gpio_shift);
2075 /* clear CLR and set SET */
2076 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
2077 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
2078 break;
2079
2080 default:
2081 break;
2082 }
2083
2084 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
2085 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
2086
2087 return 0;
2088}
2089
Eliezer Tamirf1410642008-02-28 11:51:50 -08002090static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
2091{
2092 u32 spio_mask = (1 << spio_num);
2093 u32 spio_reg;
2094
2095 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
2096 (spio_num > MISC_REGISTERS_SPIO_7)) {
2097 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
2098 return -EINVAL;
2099 }
2100
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002101 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002102 /* read SPIO and mask except the float bits */
2103 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
2104
2105 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07002106 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08002107 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
2108 /* clear FLOAT and set CLR */
2109 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2110 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
2111 break;
2112
Eilon Greenstein6378c022008-08-13 15:59:25 -07002113 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08002114 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
2115 /* clear FLOAT and set SET */
2116 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2117 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
2118 break;
2119
2120 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
2121 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
2122 /* set FLOAT */
2123 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
2124 break;
2125
2126 default:
2127 break;
2128 }
2129
2130 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002131 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002132
2133 return 0;
2134}
2135
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002136void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002137{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002138 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08002139 switch (bp->link_vars.ieee_fc &
2140 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002141 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002142 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002143 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002144 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002145
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002146 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002147 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002148 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002149 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002150
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002151 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002152 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08002153 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00002154
Eliezer Tamirf1410642008-02-28 11:51:50 -08002155 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002156 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002157 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08002158 break;
2159 }
2160}
2161
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002162u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002163{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002164 if (!BP_NOMCP(bp)) {
2165 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002166 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
2167 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002168 /*
2169 * Initialize link parameters structure variables
2170 * It is recommended to turn off RX FC for jumbo frames
2171 * for better performance
2172 */
2173 if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08002174 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002175 else
David S. Millerc0700f92008-12-16 23:53:20 -08002176 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002177
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002178 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002179
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002180 if (load_mode == LOAD_DIAG) {
Yaniv Rosner1cb0c782011-07-24 03:53:21 +00002181 struct link_params *lp = &bp->link_params;
2182 lp->loopback_mode = LOOPBACK_XGXS;
2183 /* do PHY loopback at 10G speed, if possible */
2184 if (lp->req_line_speed[cfx_idx] < SPEED_10000) {
2185 if (lp->speed_cap_mask[cfx_idx] &
2186 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
2187 lp->req_line_speed[cfx_idx] =
2188 SPEED_10000;
2189 else
2190 lp->req_line_speed[cfx_idx] =
2191 SPEED_1000;
2192 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002193 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002194
Eilon Greenstein19680c42008-08-13 15:47:33 -07002195 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002196
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002197 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002198
Eilon Greenstein3c96c682009-01-14 21:25:31 -08002199 bnx2x_calc_fc_adv(bp);
2200
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00002201 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
2202 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002203 bnx2x_link_report(bp);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002204 } else
2205 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002206 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07002207 return rc;
2208 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00002209 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07002210 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002211}
2212
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002213void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002214{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002215 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002216 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00002217 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002218 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002219 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002220
Eilon Greenstein19680c42008-08-13 15:47:33 -07002221 bnx2x_calc_fc_adv(bp);
2222 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002223 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002224}
2225
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002226static void bnx2x__link_reset(struct bnx2x *bp)
2227{
Eilon Greenstein19680c42008-08-13 15:47:33 -07002228 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002229 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002230 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002231 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002232 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00002233 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002234}
2235
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002236u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002237{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002238 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002239
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002240 if (!BP_NOMCP(bp)) {
2241 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002242 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
2243 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00002244 bnx2x_release_phy_lock(bp);
2245 } else
2246 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002247
2248 return rc;
2249}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002250
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002251static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002252{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002253 u32 r_param = bp->link_vars.line_speed / 8;
2254 u32 fair_periodic_timeout_usec;
2255 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002256
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002257 memset(&(bp->cmng.rs_vars), 0,
2258 sizeof(struct rate_shaping_vars_per_port));
2259 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002260
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002261 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2262 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002263
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002264 /* this is the threshold below which no timer arming will occur
2265 1.25 coefficient is for the threshold to be a little bigger
2266 than the real time, to compensate for timer in-accuracy */
2267 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002268 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2269
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002270 /* resolution of fairness timer */
2271 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2272 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2273 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002274
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002275 /* this is the threshold below which we won't arm the timer anymore */
2276 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002277
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002278 /* we multiply by 1e3/8 to get bytes/msec.
2279 We don't want the credits to pass a credit
2280 of the t_fair*FAIR_MEM (algorithm resolution) */
2281 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
2282 /* since each tick is 4 usec */
2283 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002284}
2285
Eilon Greenstein2691d512009-08-12 08:22:08 +00002286/* Calculates the sum of vn_min_rates.
2287 It's needed for further normalizing of the min_rates.
2288 Returns:
2289 sum of vn_min_rates.
2290 or
2291 0 - if all the min_rates are 0.
2292 In the later case fainess algorithm should be deactivated.
2293 If not all min_rates are zero then those that are zeroes will be set to 1.
2294 */
2295static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
2296{
2297 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002298 int vn;
2299
2300 bp->vn_weight_sum = 0;
David S. Miller8decf862011-09-22 03:23:13 -04002301 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002302 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00002303 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2304 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2305
2306 /* Skip hidden vns */
2307 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
2308 continue;
2309
2310 /* If min rate is zero - set it to 1 */
2311 if (!vn_min_rate)
2312 vn_min_rate = DEF_MIN_RATE;
2313 else
2314 all_zero = 0;
2315
2316 bp->vn_weight_sum += vn_min_rate;
2317 }
2318
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00002319 /* if ETS or all min rates are zeros - disable fairness */
2320 if (BNX2X_IS_ETS_ENABLED(bp)) {
2321 bp->cmng.flags.cmng_enables &=
2322 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2323 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
2324 } else if (all_zero) {
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002325 bp->cmng.flags.cmng_enables &=
2326 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
2327 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2328 " fairness will be disabled\n");
2329 } else
2330 bp->cmng.flags.cmng_enables |=
2331 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002332}
2333
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002334static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002335{
2336 struct rate_shaping_vars_per_vn m_rs_vn;
2337 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002338 u32 vn_cfg = bp->mf_config[vn];
David S. Miller8decf862011-09-22 03:23:13 -04002339 int func = func_by_vn(bp, vn);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002340 u16 vn_min_rate, vn_max_rate;
2341 int i;
2342
2343 /* If function is hidden - set min and max to zeroes */
2344 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2345 vn_min_rate = 0;
2346 vn_max_rate = 0;
2347
2348 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002349 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
2350
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002351 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2352 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002353 /* If fairness is enabled (not all min rates are zeroes) and
2354 if current min rate is zero - set it to 1.
2355 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002356 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002357 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00002358
2359 if (IS_MF_SI(bp))
2360 /* maxCfg in percents of linkspeed */
2361 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
2362 else
2363 /* maxCfg is absolute in 100Mb units */
2364 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002365 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002366
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002367 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07002368 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002369 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002370
2371 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2372 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2373
2374 /* global vn counter - maximal Mbps for this vn */
2375 m_rs_vn.vn_counter.rate = vn_max_rate;
2376
2377 /* quota - number of bytes transmitted in this period */
2378 m_rs_vn.vn_counter.quota =
2379 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2380
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002381 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002382 /* credit for each period of the fairness algorithm:
2383 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002384 vn_weight_sum should not be larger than 10000, thus
2385 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2386 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002387 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002388 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2389 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00002390 (bp->cmng.fair_vars.fair_threshold +
2391 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002392 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002393 m_fair_vn.vn_credit_delta);
2394 }
2395
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002396 /* Store it to internal memory */
2397 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2398 REG_WR(bp, BAR_XSTRORM_INTMEM +
2399 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2400 ((u32 *)(&m_rs_vn))[i]);
2401
2402 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2403 REG_WR(bp, BAR_XSTRORM_INTMEM +
2404 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2405 ((u32 *)(&m_fair_vn))[i]);
2406}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002407
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002408static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2409{
2410 if (CHIP_REV_IS_SLOW(bp))
2411 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002412 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002413 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002414
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002415 return CMNG_FNS_NONE;
2416}
2417
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002418void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002419{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002420 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002421
2422 if (BP_NOMCP(bp))
2423 return; /* what should be the default bvalue in this case */
2424
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002425 /* For 2 port configuration the absolute function number formula
2426 * is:
2427 * abs_func = 2 * vn + BP_PORT + BP_PATH
2428 *
2429 * and there are 4 functions per port
2430 *
2431 * For 4 port configuration it is
2432 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2433 *
2434 * and there are 2 functions per port
2435 */
David S. Miller8decf862011-09-22 03:23:13 -04002436 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002437 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2438
2439 if (func >= E1H_FUNC_MAX)
2440 break;
2441
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002442 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002443 MF_CFG_RD(bp, func_mf_config[func].config);
2444 }
2445}
2446
2447static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2448{
2449
2450 if (cmng_type == CMNG_FNS_MINMAX) {
2451 int vn;
2452
2453 /* clear cmng_enables */
2454 bp->cmng.flags.cmng_enables = 0;
2455
2456 /* read mf conf from shmem */
2457 if (read_cfg)
2458 bnx2x_read_mf_cfg(bp);
2459
2460 /* Init rate shaping and fairness contexts */
2461 bnx2x_init_port_minmax(bp);
2462
2463 /* vn_weight_sum and enable fairness if not 0 */
2464 bnx2x_calc_vn_weight_sum(bp);
2465
2466 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002467 if (bp->port.pmf)
David S. Miller8decf862011-09-22 03:23:13 -04002468 for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++)
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002469 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002470
2471 /* always enable rate shaping and fairness */
2472 bp->cmng.flags.cmng_enables |=
2473 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2474 if (!bp->vn_weight_sum)
2475 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2476 " fairness will be disabled\n");
2477 return;
2478 }
2479
2480 /* rate shaping and fairness are disabled */
2481 DP(NETIF_MSG_IFUP,
2482 "rate shaping and fairness are disabled\n");
2483}
2484
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002485/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002486static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002487{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002488 /* Make sure that we are synced with the current statistics */
2489 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2490
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002491 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002492
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002493 if (bp->link_vars.link_up) {
2494
Eilon Greenstein1c063282009-02-12 08:36:43 +00002495 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002496 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002497 int port = BP_PORT(bp);
2498 u32 pause_enabled = 0;
2499
2500 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2501 pause_enabled = 1;
2502
2503 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002504 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002505 pause_enabled);
2506 }
2507
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002508 if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002509 struct host_port_stats *pstats;
2510
2511 pstats = bnx2x_sp(bp, port_stats);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002512 /* reset old mac stats */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002513 memset(&(pstats->mac_stx[0]), 0,
2514 sizeof(struct mac_stx));
2515 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002516 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002517 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2518 }
2519
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002520 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2521 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002522
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002523 if (cmng_fns != CMNG_FNS_NONE) {
2524 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2525 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2526 } else
2527 /* rate shaping and fairness are disabled */
2528 DP(NETIF_MSG_IFUP,
2529 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002530 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002531
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002532 __bnx2x_link_report(bp);
2533
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002534 if (IS_MF(bp))
2535 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002536}
2537
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002538void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002539{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002540 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002541 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002542
Dmitry Kravkov00253a82011-11-13 04:34:25 +00002543 /* read updated dcb configuration */
2544 bnx2x_dcbx_pmf_update(bp);
2545
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002546 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2547
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002548 if (bp->link_vars.link_up)
2549 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2550 else
2551 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2552
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002553 /* indicate link status */
2554 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002555}
2556
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002557static void bnx2x_pmf_update(struct bnx2x *bp)
2558{
2559 int port = BP_PORT(bp);
2560 u32 val;
2561
2562 bp->port.pmf = 1;
2563 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2564
Yaniv Rosner3deb8162011-06-14 01:34:33 +00002565 /*
2566 * We need the mb() to ensure the ordering between the writing to
2567 * bp->port.pmf here and reading it from the bnx2x_periodic_task().
2568 */
2569 smp_mb();
2570
2571 /* queue a periodic task */
2572 queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
2573
Dmitry Kravkovef018542011-06-14 01:33:57 +00002574 bnx2x_dcbx_pmf_update(bp);
2575
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002576 /* enable nig attention */
David S. Miller8decf862011-09-22 03:23:13 -04002577 val = (0xff0f | (1 << (BP_VN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002578 if (bp->common.int_block == INT_BLOCK_HC) {
2579 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2580 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002581 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002582 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2583 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2584 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002585
2586 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002587}
2588
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002589/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002590
2591/* slow path */
2592
2593/*
2594 * General service functions
2595 */
2596
Eilon Greenstein2691d512009-08-12 08:22:08 +00002597/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002598u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002599{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002600 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002601 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002602 u32 rc = 0;
2603 u32 cnt = 1;
2604 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2605
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002606 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002607 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002608 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2609 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2610
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00002611 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB param 0x%08x\n",
2612 (command | seq), param);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002613
2614 do {
2615 /* let the FW do it's magic ... */
2616 msleep(delay);
2617
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002618 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002619
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002620 /* Give the FW up to 5 second (500*10ms) */
2621 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002622
2623 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2624 cnt*delay, rc, seq);
2625
2626 /* is this a reply to our command? */
2627 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2628 rc &= FW_MSG_CODE_MASK;
2629 else {
2630 /* FW BUG! */
2631 BNX2X_ERR("FW failed to respond!\n");
2632 bnx2x_fw_dump(bp);
2633 rc = 0;
2634 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002635 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002636
2637 return rc;
2638}
2639
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002640
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002641void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002642{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002643 if (CHIP_IS_E1x(bp)) {
2644 struct tstorm_eth_function_common_config tcfg = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002645
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002646 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2647 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002648
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002649 /* Enable the function in the FW */
2650 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2651 storm_memset_func_en(bp, p->func_id, 1);
2652
2653 /* spq */
2654 if (p->func_flgs & FUNC_FLG_SPQ) {
2655 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2656 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2657 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2658 }
2659}
2660
Ariel Elior6383c0b2011-07-14 08:31:57 +00002661/**
2662 * bnx2x_get_tx_only_flags - Return common flags
2663 *
2664 * @bp device handle
2665 * @fp queue handle
2666 * @zero_stats TRUE if statistics zeroing is needed
2667 *
2668 * Return the flags that are common for the Tx-only and not normal connections.
2669 */
2670static inline unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
2671 struct bnx2x_fastpath *fp,
2672 bool zero_stats)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002673{
2674 unsigned long flags = 0;
2675
2676 /* PF driver will always initialize the Queue to an ACTIVE state */
2677 __set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
2678
Ariel Elior6383c0b2011-07-14 08:31:57 +00002679 /* tx only connections collect statistics (on the same index as the
2680 * parent connection). The statistics are zeroed when the parent
2681 * connection is initialized.
2682 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00002683
2684 __set_bit(BNX2X_Q_FLG_STATS, &flags);
2685 if (zero_stats)
2686 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
2687
Ariel Elior6383c0b2011-07-14 08:31:57 +00002688
2689 return flags;
2690}
2691
2692static inline unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
2693 struct bnx2x_fastpath *fp,
2694 bool leading)
2695{
2696 unsigned long flags = 0;
2697
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002698 /* calculate other queue flags */
2699 if (IS_MF_SD(bp))
2700 __set_bit(BNX2X_Q_FLG_OV, &flags);
2701
2702 if (IS_FCOE_FP(fp))
2703 __set_bit(BNX2X_Q_FLG_FCOE, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002704
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002705 if (!fp->disable_tpa) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002706 __set_bit(BNX2X_Q_FLG_TPA, &flags);
Vladislav Zolotarovf5219d82011-07-19 01:44:11 +00002707 __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
2708 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002709
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002710 if (leading) {
2711 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
2712 __set_bit(BNX2X_Q_FLG_MCAST, &flags);
2713 }
2714
2715 /* Always set HW VLAN stripping */
2716 __set_bit(BNX2X_Q_FLG_VLAN, &flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002717
Ariel Elior6383c0b2011-07-14 08:31:57 +00002718
2719 return flags | bnx2x_get_common_flags(bp, fp, true);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002720}
2721
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002722static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002723 struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
2724 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002725{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002726 gen_init->stat_id = bnx2x_stats_id(fp);
2727 gen_init->spcl_id = fp->cl_id;
2728
2729 /* Always use mini-jumbo MTU for FCoE L2 ring */
2730 if (IS_FCOE_FP(fp))
2731 gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2732 else
2733 gen_init->mtu = bp->dev->mtu;
Ariel Elior6383c0b2011-07-14 08:31:57 +00002734
2735 gen_init->cos = cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002736}
2737
2738static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
2739 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2740 struct bnx2x_rxq_setup_params *rxq_init)
2741{
2742 u8 max_sge = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002743 u16 sge_sz = 0;
2744 u16 tpa_agg_size = 0;
2745
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002746 if (!fp->disable_tpa) {
David S. Miller8decf862011-09-22 03:23:13 -04002747 pause->sge_th_lo = SGE_TH_LO(bp);
2748 pause->sge_th_hi = SGE_TH_HI(bp);
2749
2750 /* validate SGE ring has enough to cross high threshold */
2751 WARN_ON(bp->dropless_fc &&
2752 pause->sge_th_hi + FW_PREFETCH_CNT >
2753 MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES);
2754
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002755 tpa_agg_size = min_t(u32,
2756 (min_t(u32, 8, MAX_SKB_FRAGS) *
2757 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2758 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2759 SGE_PAGE_SHIFT;
2760 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2761 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2762 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2763 0xffff);
2764 }
2765
2766 /* pause - not for e1 */
2767 if (!CHIP_IS_E1(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04002768 pause->bd_th_lo = BD_TH_LO(bp);
2769 pause->bd_th_hi = BD_TH_HI(bp);
2770
2771 pause->rcq_th_lo = RCQ_TH_LO(bp);
2772 pause->rcq_th_hi = RCQ_TH_HI(bp);
2773 /*
2774 * validate that rings have enough entries to cross
2775 * high thresholds
2776 */
2777 WARN_ON(bp->dropless_fc &&
2778 pause->bd_th_hi + FW_PREFETCH_CNT >
2779 bp->rx_ring_size);
2780 WARN_ON(bp->dropless_fc &&
2781 pause->rcq_th_hi + FW_PREFETCH_CNT >
2782 NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002783
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002784 pause->pri_map = 1;
2785 }
2786
2787 /* rxq setup */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002788 rxq_init->dscr_map = fp->rx_desc_mapping;
2789 rxq_init->sge_map = fp->rx_sge_mapping;
2790 rxq_init->rcq_map = fp->rx_comp_mapping;
2791 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002792
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002793 /* This should be a maximum number of data bytes that may be
2794 * placed on the BD (not including paddings).
2795 */
Eric Dumazete52fcb22011-11-14 06:05:34 +00002796 rxq_init->buf_sz = fp->rx_buf_size - BNX2X_FW_RX_ALIGN_START -
2797 BNX2X_FW_RX_ALIGN_END - IP_HEADER_ALIGNMENT_PADDING;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002798
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002799 rxq_init->cl_qzone_id = fp->cl_qzone_id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002800 rxq_init->tpa_agg_sz = tpa_agg_size;
2801 rxq_init->sge_buf_sz = sge_sz;
2802 rxq_init->max_sges_pkt = max_sge;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002803 rxq_init->rss_engine_id = BP_FUNC(bp);
2804
2805 /* Maximum number or simultaneous TPA aggregation for this Queue.
2806 *
2807 * For PF Clients it should be the maximum avaliable number.
2808 * VF driver(s) may want to define it to a smaller value.
2809 */
David S. Miller8decf862011-09-22 03:23:13 -04002810 rxq_init->max_tpa_queues = MAX_AGG_QS(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002811
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002812 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2813 rxq_init->fw_sb_id = fp->fw_sb_id;
2814
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002815 if (IS_FCOE_FP(fp))
2816 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2817 else
Ariel Elior6383c0b2011-07-14 08:31:57 +00002818 rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002819}
2820
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002821static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
Ariel Elior6383c0b2011-07-14 08:31:57 +00002822 struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
2823 u8 cos)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002824{
Ariel Elior6383c0b2011-07-14 08:31:57 +00002825 txq_init->dscr_map = fp->txdata[cos].tx_desc_mapping;
2826 txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002827 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2828 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002829
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002830 /*
2831 * set the tss leading client id for TX classfication ==
2832 * leading RSS client id
2833 */
2834 txq_init->tss_leading_cl_id = bnx2x_fp(bp, 0, cl_id);
2835
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002836 if (IS_FCOE_FP(fp)) {
2837 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2838 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2839 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002840}
2841
stephen hemminger8d962862010-10-21 07:50:56 +00002842static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002843{
2844 struct bnx2x_func_init_params func_init = {0};
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002845 struct event_ring_data eq_data = { {0} };
2846 u16 flags;
2847
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002848 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002849 /* reset IGU PF statistics: MSIX + ATTN */
2850 /* PF */
2851 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2852 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2853 (CHIP_MODE_IS_4_PORT(bp) ?
2854 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2855 /* ATTN */
2856 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2857 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2858 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2859 (CHIP_MODE_IS_4_PORT(bp) ?
2860 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2861 }
2862
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002863 /* function setup flags */
2864 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2865
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002866 /* This flag is relevant for E1x only.
2867 * E2 doesn't have a TPA configuration in a function level.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002868 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002869 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002870
2871 func_init.func_flgs = flags;
2872 func_init.pf_id = BP_FUNC(bp);
2873 func_init.func_id = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002874 func_init.spq_map = bp->spq_mapping;
2875 func_init.spq_prod = bp->spq_prod_idx;
2876
2877 bnx2x_func_init(bp, &func_init);
2878
2879 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2880
2881 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002882 * Congestion management values depend on the link rate
2883 * There is no active link so initial link rate is set to 10 Gbps.
2884 * When the link comes up The congestion management values are
2885 * re-calculated according to the actual link rate.
2886 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002887 bp->link_vars.line_speed = SPEED_10000;
2888 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2889
2890 /* Only the PMF sets the HW */
2891 if (bp->port.pmf)
2892 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2893
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002894 /* init Event Queue */
2895 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2896 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2897 eq_data.producer = bp->eq_prod;
2898 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2899 eq_data.sb_id = DEF_SB_ID;
2900 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2901}
2902
2903
Eilon Greenstein2691d512009-08-12 08:22:08 +00002904static void bnx2x_e1h_disable(struct bnx2x *bp)
2905{
2906 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002907
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03002908 bnx2x_tx_disable(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002909
2910 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002911}
2912
2913static void bnx2x_e1h_enable(struct bnx2x *bp)
2914{
2915 int port = BP_PORT(bp);
2916
2917 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2918
Eilon Greenstein2691d512009-08-12 08:22:08 +00002919 /* Tx queue should be only reenabled */
2920 netif_tx_wake_all_queues(bp->dev);
2921
Eilon Greenstein061bc702009-10-15 00:18:47 -07002922 /*
2923 * Should not call netif_carrier_on since it will be called if the link
2924 * is up when checking for link state
2925 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002926}
2927
Barak Witkowski1d187b32011-12-05 22:41:50 +00002928#define DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED 3
2929
2930static void bnx2x_drv_info_ether_stat(struct bnx2x *bp)
2931{
2932 struct eth_stats_info *ether_stat =
2933 &bp->slowpath->drv_info_to_mcp.ether_stat;
2934
2935 /* leave last char as NULL */
2936 memcpy(ether_stat->version, DRV_MODULE_VERSION,
2937 ETH_STAT_INFO_VERSION_LEN - 1);
2938
2939 bp->fp[0].mac_obj.get_n_elements(bp, &bp->fp[0].mac_obj,
2940 DRV_INFO_ETH_STAT_NUM_MACS_REQUIRED,
2941 ether_stat->mac_local);
2942
2943 ether_stat->mtu_size = bp->dev->mtu;
2944
2945 if (bp->dev->features & NETIF_F_RXCSUM)
2946 ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK;
2947 if (bp->dev->features & NETIF_F_TSO)
2948 ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK;
2949 ether_stat->feature_flags |= bp->common.boot_mode;
2950
2951 ether_stat->promiscuous_mode = (bp->dev->flags & IFF_PROMISC) ? 1 : 0;
2952
2953 ether_stat->txq_size = bp->tx_ring_size;
2954 ether_stat->rxq_size = bp->rx_ring_size;
2955}
2956
2957static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp)
2958{
Michael Chanf2fd5c32011-12-06 10:58:08 +00002959#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00002960 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
2961 struct fcoe_stats_info *fcoe_stat =
2962 &bp->slowpath->drv_info_to_mcp.fcoe_stat;
2963
2964 memcpy(fcoe_stat->mac_local, bp->fip_mac, ETH_ALEN);
2965
2966 fcoe_stat->qos_priority =
2967 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE];
2968
2969 /* insert FCoE stats from ramrod response */
2970 if (!NO_FCOE(bp)) {
2971 struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
2972 &bp->fw_stats_data->queue_stats[FCOE_IDX].
2973 tstorm_queue_statistics;
2974
2975 struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
2976 &bp->fw_stats_data->queue_stats[FCOE_IDX].
2977 xstorm_queue_statistics;
2978
2979 struct fcoe_statistics_params *fw_fcoe_stat =
2980 &bp->fw_stats_data->fcoe;
2981
2982 ADD_64(fcoe_stat->rx_bytes_hi, 0, fcoe_stat->rx_bytes_lo,
2983 fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
2984
2985 ADD_64(fcoe_stat->rx_bytes_hi,
2986 fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
2987 fcoe_stat->rx_bytes_lo,
2988 fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
2989
2990 ADD_64(fcoe_stat->rx_bytes_hi,
2991 fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
2992 fcoe_stat->rx_bytes_lo,
2993 fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
2994
2995 ADD_64(fcoe_stat->rx_bytes_hi,
2996 fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
2997 fcoe_stat->rx_bytes_lo,
2998 fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
2999
3000 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3001 fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
3002
3003 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3004 fcoe_q_tstorm_stats->rcv_ucast_pkts);
3005
3006 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
3007 fcoe_q_tstorm_stats->rcv_bcast_pkts);
3008
3009 ADD_64(fcoe_stat->rx_frames_hi, 0, fcoe_stat->rx_frames_lo,
Barak Witkowskif33f1fc2011-12-07 03:45:36 +00003010 fcoe_q_tstorm_stats->rcv_mcast_pkts);
Barak Witkowski1d187b32011-12-05 22:41:50 +00003011
3012 ADD_64(fcoe_stat->tx_bytes_hi, 0, fcoe_stat->tx_bytes_lo,
3013 fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
3014
3015 ADD_64(fcoe_stat->tx_bytes_hi,
3016 fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
3017 fcoe_stat->tx_bytes_lo,
3018 fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
3019
3020 ADD_64(fcoe_stat->tx_bytes_hi,
3021 fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
3022 fcoe_stat->tx_bytes_lo,
3023 fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
3024
3025 ADD_64(fcoe_stat->tx_bytes_hi,
3026 fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
3027 fcoe_stat->tx_bytes_lo,
3028 fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
3029
3030 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3031 fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
3032
3033 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3034 fcoe_q_xstorm_stats->ucast_pkts_sent);
3035
3036 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3037 fcoe_q_xstorm_stats->bcast_pkts_sent);
3038
3039 ADD_64(fcoe_stat->tx_frames_hi, 0, fcoe_stat->tx_frames_lo,
3040 fcoe_q_xstorm_stats->mcast_pkts_sent);
3041 }
3042
Barak Witkowski1d187b32011-12-05 22:41:50 +00003043 /* ask L5 driver to add data to the struct */
3044 bnx2x_cnic_notify(bp, CNIC_CTL_FCOE_STATS_GET_CMD);
3045#endif
3046}
3047
3048static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp)
3049{
Michael Chanf2fd5c32011-12-06 10:58:08 +00003050#ifdef BCM_CNIC
Barak Witkowski1d187b32011-12-05 22:41:50 +00003051 struct bnx2x_dcbx_app_params *app = &bp->dcbx_port_params.app;
3052 struct iscsi_stats_info *iscsi_stat =
3053 &bp->slowpath->drv_info_to_mcp.iscsi_stat;
3054
3055 memcpy(iscsi_stat->mac_local, bp->cnic_eth_dev.iscsi_mac, ETH_ALEN);
3056
3057 iscsi_stat->qos_priority =
3058 app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI];
3059
Barak Witkowski1d187b32011-12-05 22:41:50 +00003060 /* ask L5 driver to add data to the struct */
3061 bnx2x_cnic_notify(bp, CNIC_CTL_ISCSI_STATS_GET_CMD);
3062#endif
3063}
3064
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003065/* called due to MCP event (on pmf):
3066 * reread new bandwidth configuration
3067 * configure FW
3068 * notify others function about the change
3069 */
3070static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
3071{
3072 if (bp->link_vars.link_up) {
3073 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
3074 bnx2x_link_sync_notify(bp);
3075 }
3076 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
3077}
3078
3079static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
3080{
3081 bnx2x_config_mf_bw(bp);
3082 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
3083}
3084
Barak Witkowski1d187b32011-12-05 22:41:50 +00003085static void bnx2x_handle_drv_info_req(struct bnx2x *bp)
3086{
3087 enum drv_info_opcode op_code;
3088 u32 drv_info_ctl = SHMEM2_RD(bp, drv_info_control);
3089
3090 /* if drv_info version supported by MFW doesn't match - send NACK */
3091 if ((drv_info_ctl & DRV_INFO_CONTROL_VER_MASK) != DRV_INFO_CUR_VER) {
3092 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3093 return;
3094 }
3095
3096 op_code = (drv_info_ctl & DRV_INFO_CONTROL_OP_CODE_MASK) >>
3097 DRV_INFO_CONTROL_OP_CODE_SHIFT;
3098
3099 memset(&bp->slowpath->drv_info_to_mcp, 0,
3100 sizeof(union drv_info_to_mcp));
3101
3102 switch (op_code) {
3103 case ETH_STATS_OPCODE:
3104 bnx2x_drv_info_ether_stat(bp);
3105 break;
3106 case FCOE_STATS_OPCODE:
3107 bnx2x_drv_info_fcoe_stat(bp);
3108 break;
3109 case ISCSI_STATS_OPCODE:
3110 bnx2x_drv_info_iscsi_stat(bp);
3111 break;
3112 default:
3113 /* if op code isn't supported - send NACK */
3114 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_NACK, 0);
3115 return;
3116 }
3117
3118 /* if we got drv_info attn from MFW then these fields are defined in
3119 * shmem2 for sure
3120 */
3121 SHMEM2_WR(bp, drv_info_host_addr_lo,
3122 U64_LO(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3123 SHMEM2_WR(bp, drv_info_host_addr_hi,
3124 U64_HI(bnx2x_sp_mapping(bp, drv_info_to_mcp)));
3125
3126 bnx2x_fw_command(bp, DRV_MSG_CODE_DRV_INFO_ACK, 0);
3127}
3128
Eilon Greenstein2691d512009-08-12 08:22:08 +00003129static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
3130{
Eilon Greenstein2691d512009-08-12 08:22:08 +00003131 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003132
3133 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
3134
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003135 /*
3136 * This is the only place besides the function initialization
3137 * where the bp->flags can change so it is done without any
3138 * locks
3139 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003140 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00003141 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003142 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003143
3144 bnx2x_e1h_disable(bp);
3145 } else {
3146 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003147 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00003148
3149 bnx2x_e1h_enable(bp);
3150 }
3151 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
3152 }
3153 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003154 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003155 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
3156 }
3157
3158 /* Report results to MCP */
3159 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003160 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003161 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003162 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003163}
3164
Michael Chan28912902009-10-10 13:46:53 +00003165/* must be called under the spq lock */
3166static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
3167{
3168 struct eth_spe *next_spe = bp->spq_prod_bd;
3169
3170 if (bp->spq_prod_bd == bp->spq_last_bd) {
3171 bp->spq_prod_bd = bp->spq;
3172 bp->spq_prod_idx = 0;
3173 DP(NETIF_MSG_TIMER, "end of spq\n");
3174 } else {
3175 bp->spq_prod_bd++;
3176 bp->spq_prod_idx++;
3177 }
3178 return next_spe;
3179}
3180
3181/* must be called under the spq lock */
3182static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
3183{
3184 int func = BP_FUNC(bp);
3185
Vladislav Zolotarov53e51e22011-07-19 01:45:02 +00003186 /*
3187 * Make sure that BD data is updated before writing the producer:
3188 * BD data is written to the memory, the producer is read from the
3189 * memory, thus we need a full memory barrier to ensure the ordering.
3190 */
3191 mb();
Michael Chan28912902009-10-10 13:46:53 +00003192
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003193 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003194 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00003195 mmiowb();
3196}
3197
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003198/**
3199 * bnx2x_is_contextless_ramrod - check if the current command ends on EQ
3200 *
3201 * @cmd: command to check
3202 * @cmd_type: command type
3203 */
3204static inline bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
3205{
3206 if ((cmd_type == NONE_CONNECTION_TYPE) ||
Ariel Elior6383c0b2011-07-14 08:31:57 +00003207 (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003208 (cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
3209 (cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
3210 (cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
3211 (cmd == RAMROD_CMD_ID_ETH_SET_MAC) ||
3212 (cmd == RAMROD_CMD_ID_ETH_RSS_UPDATE))
3213 return true;
3214 else
3215 return false;
3216
3217}
3218
3219
3220/**
3221 * bnx2x_sp_post - place a single command on an SP ring
3222 *
3223 * @bp: driver handle
3224 * @command: command to place (e.g. SETUP, FILTER_RULES, etc.)
3225 * @cid: SW CID the command is related to
3226 * @data_hi: command private data address (high 32 bits)
3227 * @data_lo: command private data address (low 32 bits)
3228 * @cmd_type: command type (e.g. NONE, ETH)
3229 *
3230 * SP data is handled as if it's always an address pair, thus data fields are
3231 * not swapped to little endian in upper functions. Instead this function swaps
3232 * data as if it's two u32 fields.
3233 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003234int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003235 u32 data_hi, u32 data_lo, int cmd_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003236{
Michael Chan28912902009-10-10 13:46:53 +00003237 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003238 u16 type;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003239 bool common = bnx2x_is_contextless_ramrod(command, cmd_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003240
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003241#ifdef BNX2X_STOP_ON_ERROR
3242 if (unlikely(bp->panic))
3243 return -EIO;
3244#endif
3245
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003246 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003247
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003248 if (common) {
3249 if (!atomic_read(&bp->eq_spq_left)) {
3250 BNX2X_ERR("BUG! EQ ring full!\n");
3251 spin_unlock_bh(&bp->spq_lock);
3252 bnx2x_panic();
3253 return -EBUSY;
3254 }
3255 } else if (!atomic_read(&bp->cq_spq_left)) {
3256 BNX2X_ERR("BUG! SPQ ring full!\n");
3257 spin_unlock_bh(&bp->spq_lock);
3258 bnx2x_panic();
3259 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003260 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08003261
Michael Chan28912902009-10-10 13:46:53 +00003262 spe = bnx2x_sp_get_next(bp);
3263
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003264 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00003265 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003266 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
3267 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003268
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003269 type = (cmd_type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003270
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003271 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
3272 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003273
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003274 spe->hdr.type = cpu_to_le16(type);
3275
3276 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
3277 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
3278
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003279 /*
3280 * It's ok if the actual decrement is issued towards the memory
3281 * somewhere between the spin_lock and spin_unlock. Thus no
3282 * more explict memory barrier is needed.
3283 */
3284 if (common)
3285 atomic_dec(&bp->eq_spq_left);
3286 else
3287 atomic_dec(&bp->cq_spq_left);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003288
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003289
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003290 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003291 "SPQE[%x] (%x:%x) (cmd, common?) (%d,%d) hw_cid %x data (%x:%x) "
3292 "type(0x%x) left (CQ, EQ) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003293 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
3294 (u32)(U64_LO(bp->spq_mapping) +
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003295 (void *)bp->spq_prod_bd - (void *)bp->spq), command, common,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003296 HW_CID(bp, cid), data_hi, data_lo, type,
3297 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003298
Michael Chan28912902009-10-10 13:46:53 +00003299 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003300 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003301 return 0;
3302}
3303
3304/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003305static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003306{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003307 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003308 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003309
3310 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003311 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003312 val = (1UL << 31);
3313 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
3314 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
3315 if (val & (1L << 31))
3316 break;
3317
3318 msleep(5);
3319 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003320 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07003321 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003322 rc = -EBUSY;
3323 }
3324
3325 return rc;
3326}
3327
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003328/* release split MCP access lock register */
3329static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003330{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003331 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003332}
3333
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003334#define BNX2X_DEF_SB_ATT_IDX 0x0001
3335#define BNX2X_DEF_SB_IDX 0x0002
3336
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003337static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
3338{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003339 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003340 u16 rc = 0;
3341
3342 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003343 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
3344 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003345 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003346 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003347
3348 if (bp->def_idx != def_sb->sp_sb.running_index) {
3349 bp->def_idx = def_sb->sp_sb.running_index;
3350 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003351 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003352
3353 /* Do not reorder: indecies reading should complete before handling */
3354 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003355 return rc;
3356}
3357
3358/*
3359 * slow path service functions
3360 */
3361
3362static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
3363{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003364 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003365 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3366 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003367 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
3368 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003369 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00003370 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003371 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003372
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003373 if (bp->attn_state & asserted)
3374 BNX2X_ERR("IGU ERROR\n");
3375
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003376 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3377 aeu_mask = REG_RD(bp, aeu_addr);
3378
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003379 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003380 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003381 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003382 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003383
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003384 REG_WR(bp, aeu_addr, aeu_mask);
3385 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003386
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003387 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003388 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003389 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003390
3391 if (asserted & ATTN_HARD_WIRED_MASK) {
3392 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003393
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003394 bnx2x_acquire_phy_lock(bp);
3395
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003396 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00003397 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003398
Yaniv Rosner361c3912011-06-14 01:33:19 +00003399 /* If nig_mask is not set, no need to call the update
3400 * function.
3401 */
3402 if (nig_mask) {
3403 REG_WR(bp, nig_int_mask_addr, 0);
3404
3405 bnx2x_link_attn(bp);
3406 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003407
3408 /* handle unicore attn? */
3409 }
3410 if (asserted & ATTN_SW_TIMER_4_FUNC)
3411 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
3412
3413 if (asserted & GPIO_2_FUNC)
3414 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
3415
3416 if (asserted & GPIO_3_FUNC)
3417 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
3418
3419 if (asserted & GPIO_4_FUNC)
3420 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
3421
3422 if (port == 0) {
3423 if (asserted & ATTN_GENERAL_ATTN_1) {
3424 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
3425 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
3426 }
3427 if (asserted & ATTN_GENERAL_ATTN_2) {
3428 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
3429 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
3430 }
3431 if (asserted & ATTN_GENERAL_ATTN_3) {
3432 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
3433 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
3434 }
3435 } else {
3436 if (asserted & ATTN_GENERAL_ATTN_4) {
3437 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
3438 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
3439 }
3440 if (asserted & ATTN_GENERAL_ATTN_5) {
3441 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
3442 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
3443 }
3444 if (asserted & ATTN_GENERAL_ATTN_6) {
3445 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
3446 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
3447 }
3448 }
3449
3450 } /* if hardwired */
3451
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003452 if (bp->common.int_block == INT_BLOCK_HC)
3453 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3454 COMMAND_REG_ATTN_BITS_SET);
3455 else
3456 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
3457
3458 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
3459 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3460 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003461
3462 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003463 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00003464 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08003465 bnx2x_release_phy_lock(bp);
3466 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003467}
3468
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003469static inline void bnx2x_fan_failure(struct bnx2x *bp)
3470{
3471 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003472 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003473 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003474 ext_phy_config =
3475 SHMEM_RD(bp,
3476 dev_info.port_hw_config[port].external_phy_config);
3477
3478 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
3479 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003480 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003481 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003482
3483 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003484 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
3485 " the driver to shutdown the card to prevent permanent"
3486 " damage. Please contact OEM Support for assistance\n");
Ariel Elior83048592011-11-13 04:34:29 +00003487
3488 /*
3489 * Scheudle device reset (unload)
3490 * This is due to some boards consuming sufficient power when driver is
3491 * up to overheat if fan fails.
3492 */
3493 smp_mb__before_clear_bit();
3494 set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
3495 smp_mb__after_clear_bit();
3496 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3497
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003498}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00003499
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003500static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
3501{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003502 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003503 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003504 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003505
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003506 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3507 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003508
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003509 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003510
3511 val = REG_RD(bp, reg_offset);
3512 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3513 REG_WR(bp, reg_offset, val);
3514
3515 BNX2X_ERR("SPIO5 hw attention\n");
3516
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003517 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003518 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003519 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003520 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003521
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003522 if ((attn & bp->link_vars.aeu_int_mask) && bp->port.pmf) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003523 bnx2x_acquire_phy_lock(bp);
3524 bnx2x_handle_module_detect_int(&bp->link_params);
3525 bnx2x_release_phy_lock(bp);
3526 }
3527
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003528 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3529
3530 val = REG_RD(bp, reg_offset);
3531 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3532 REG_WR(bp, reg_offset, val);
3533
3534 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003535 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003536 bnx2x_panic();
3537 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003538}
3539
3540static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3541{
3542 u32 val;
3543
Eilon Greenstein0626b892009-02-12 08:38:14 +00003544 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003545
3546 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3547 BNX2X_ERR("DB hw attention 0x%x\n", val);
3548 /* DORQ discard attention */
3549 if (val & 0x2)
3550 BNX2X_ERR("FATAL error from DORQ\n");
3551 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003552
3553 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3554
3555 int port = BP_PORT(bp);
3556 int reg_offset;
3557
3558 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3559 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3560
3561 val = REG_RD(bp, reg_offset);
3562 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3563 REG_WR(bp, reg_offset, val);
3564
3565 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003566 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003567 bnx2x_panic();
3568 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003569}
3570
3571static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3572{
3573 u32 val;
3574
3575 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3576
3577 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3578 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3579 /* CFC error attention */
3580 if (val & 0x2)
3581 BNX2X_ERR("FATAL error from CFC\n");
3582 }
3583
3584 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003585 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003586 BNX2X_ERR("PXP hw attention-0 0x%x\n", val);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003587 /* RQ_USDMDP_FIFO_OVERFLOW */
3588 if (val & 0x18000)
3589 BNX2X_ERR("FATAL error from PXP\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03003590
3591 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003592 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3593 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3594 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003595 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003596
3597 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3598
3599 int port = BP_PORT(bp);
3600 int reg_offset;
3601
3602 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3603 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3604
3605 val = REG_RD(bp, reg_offset);
3606 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3607 REG_WR(bp, reg_offset, val);
3608
3609 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003610 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003611 bnx2x_panic();
3612 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003613}
3614
3615static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3616{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003617 u32 val;
3618
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003619 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3620
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003621 if (attn & BNX2X_PMF_LINK_ASSERT) {
3622 int func = BP_FUNC(bp);
3623
3624 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003625 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3626 func_mf_config[BP_ABS_FUNC(bp)].config);
3627 val = SHMEM_RD(bp,
3628 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003629 if (val & DRV_STATUS_DCC_EVENT_MASK)
3630 bnx2x_dcc_event(bp,
3631 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003632
3633 if (val & DRV_STATUS_SET_MF_BW)
3634 bnx2x_set_mf_bw(bp);
3635
Barak Witkowski1d187b32011-12-05 22:41:50 +00003636 if (val & DRV_STATUS_DRV_INFO_REQ)
3637 bnx2x_handle_drv_info_req(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003638 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003639 bnx2x_pmf_update(bp);
3640
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003641 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003642 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3643 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003644 /* start dcbx state machine */
3645 bnx2x_dcbx_set_params(bp,
3646 BNX2X_DCBX_STATE_NEG_RECEIVED);
Yaniv Rosner3deb8162011-06-14 01:34:33 +00003647 if (bp->link_vars.periodic_flags &
3648 PERIODIC_FLAGS_LINK_EVENT) {
3649 /* sync with link */
3650 bnx2x_acquire_phy_lock(bp);
3651 bp->link_vars.periodic_flags &=
3652 ~PERIODIC_FLAGS_LINK_EVENT;
3653 bnx2x_release_phy_lock(bp);
3654 if (IS_MF(bp))
3655 bnx2x_link_sync_notify(bp);
3656 bnx2x_link_report(bp);
3657 }
3658 /* Always call it here: bnx2x_link_report() will
3659 * prevent the link indication duplication.
3660 */
3661 bnx2x__link_status_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003662 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003663
3664 BNX2X_ERR("MC assert!\n");
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00003665 bnx2x_mc_assert(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003666 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3667 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3668 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3669 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3670 bnx2x_panic();
3671
3672 } else if (attn & BNX2X_MCP_ASSERT) {
3673
3674 BNX2X_ERR("MCP assert!\n");
3675 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003676 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003677
3678 } else
3679 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3680 }
3681
3682 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003683 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3684 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003685 val = CHIP_IS_E1(bp) ? 0 :
3686 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003687 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3688 }
3689 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003690 val = CHIP_IS_E1(bp) ? 0 :
3691 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003692 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3693 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003694 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003695 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003696}
3697
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003698/*
3699 * Bits map:
3700 * 0-7 - Engine0 load counter.
3701 * 8-15 - Engine1 load counter.
3702 * 16 - Engine0 RESET_IN_PROGRESS bit.
3703 * 17 - Engine1 RESET_IN_PROGRESS bit.
3704 * 18 - Engine0 ONE_IS_LOADED. Set when there is at least one active function
3705 * on the engine
3706 * 19 - Engine1 ONE_IS_LOADED.
3707 * 20 - Chip reset flow bit. When set none-leader must wait for both engines
3708 * leader to complete (check for both RESET_IN_PROGRESS bits and not for
3709 * just the one belonging to its engine).
3710 *
3711 */
3712#define BNX2X_RECOVERY_GLOB_REG MISC_REG_GENERIC_POR_1
3713
3714#define BNX2X_PATH0_LOAD_CNT_MASK 0x000000ff
3715#define BNX2X_PATH0_LOAD_CNT_SHIFT 0
3716#define BNX2X_PATH1_LOAD_CNT_MASK 0x0000ff00
3717#define BNX2X_PATH1_LOAD_CNT_SHIFT 8
3718#define BNX2X_PATH0_RST_IN_PROG_BIT 0x00010000
3719#define BNX2X_PATH1_RST_IN_PROG_BIT 0x00020000
3720#define BNX2X_GLOBAL_RESET_BIT 0x00040000
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003721
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003722/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003723 * Set the GLOBAL_RESET bit.
3724 *
3725 * Should be run under rtnl lock
3726 */
3727void bnx2x_set_reset_global(struct bnx2x *bp)
3728{
Ariel Eliorf16da432012-01-26 06:01:50 +00003729 u32 val;
3730 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3731 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003732 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val | BNX2X_GLOBAL_RESET_BIT);
Ariel Eliorf16da432012-01-26 06:01:50 +00003733 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003734}
3735
3736/*
3737 * Clear the GLOBAL_RESET bit.
3738 *
3739 * Should be run under rtnl lock
3740 */
3741static inline void bnx2x_clear_reset_global(struct bnx2x *bp)
3742{
Ariel Eliorf16da432012-01-26 06:01:50 +00003743 u32 val;
3744 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3745 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003746 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~BNX2X_GLOBAL_RESET_BIT));
Ariel Eliorf16da432012-01-26 06:01:50 +00003747 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003748}
3749
3750/*
3751 * Checks the GLOBAL_RESET bit.
3752 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003753 * should be run under rtnl lock
3754 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003755static inline bool bnx2x_reset_is_global(struct bnx2x *bp)
3756{
3757 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3758
3759 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3760 return (val & BNX2X_GLOBAL_RESET_BIT) ? true : false;
3761}
3762
3763/*
3764 * Clear RESET_IN_PROGRESS bit for the current engine.
3765 *
3766 * Should be run under rtnl lock
3767 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003768static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3769{
Ariel Eliorf16da432012-01-26 06:01:50 +00003770 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003771 u32 bit = BP_PATH(bp) ?
3772 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003773 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3774 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003775
3776 /* Clear the bit */
3777 val &= ~bit;
3778 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003779
3780 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003781}
3782
3783/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003784 * Set RESET_IN_PROGRESS for the current engine.
3785 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003786 * should be run under rtnl lock
3787 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003788void bnx2x_set_reset_in_progress(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003789{
Ariel Eliorf16da432012-01-26 06:01:50 +00003790 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003791 u32 bit = BP_PATH(bp) ?
3792 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
Ariel Eliorf16da432012-01-26 06:01:50 +00003793 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3794 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003795
3796 /* Set the bit */
3797 val |= bit;
3798 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003799 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003800}
3801
3802/*
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003803 * Checks the RESET_IN_PROGRESS bit for the given engine.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003804 * should be run under rtnl lock
3805 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003806bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003807{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003808 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3809 u32 bit = engine ?
3810 BNX2X_PATH1_RST_IN_PROG_BIT : BNX2X_PATH0_RST_IN_PROG_BIT;
3811
3812 /* return false if bit is set */
3813 return (val & bit) ? false : true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003814}
3815
3816/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003817 * set pf load for the current pf.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003818 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003819 * should be run under rtnl lock
3820 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003821void bnx2x_set_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003822{
Ariel Eliorf16da432012-01-26 06:01:50 +00003823 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003824 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3825 BNX2X_PATH0_LOAD_CNT_MASK;
3826 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3827 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003828
Ariel Eliorf16da432012-01-26 06:01:50 +00003829 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3830 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3831
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003832 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3833
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003834 /* get the current counter value */
3835 val1 = (val & mask) >> shift;
3836
Ariel Elior889b9af2012-01-26 06:01:51 +00003837 /* set bit of that PF */
3838 val1 |= (1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003839
3840 /* clear the old value */
3841 val &= ~mask;
3842
3843 /* set the new one */
3844 val |= ((val1 << shift) & mask);
3845
3846 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003847 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003848}
3849
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003850/**
Ariel Elior889b9af2012-01-26 06:01:51 +00003851 * bnx2x_clear_pf_load - clear pf load mark
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003852 *
3853 * @bp: driver handle
3854 *
3855 * Should be run under rtnl lock.
3856 * Decrements the load counter for the current engine. Returns
Ariel Elior889b9af2012-01-26 06:01:51 +00003857 * whether other functions are still loaded
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003858 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003859bool bnx2x_clear_pf_load(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003860{
Ariel Eliorf16da432012-01-26 06:01:50 +00003861 u32 val1, val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003862 u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
3863 BNX2X_PATH0_LOAD_CNT_MASK;
3864 u32 shift = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3865 BNX2X_PATH0_LOAD_CNT_SHIFT;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003866
Ariel Eliorf16da432012-01-26 06:01:50 +00003867 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3868 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003869 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3870
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003871 /* get the current counter value */
3872 val1 = (val & mask) >> shift;
3873
Ariel Elior889b9af2012-01-26 06:01:51 +00003874 /* clear bit of that PF */
3875 val1 &= ~(1 << bp->pf_num);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003876
3877 /* clear the old value */
3878 val &= ~mask;
3879
3880 /* set the new one */
3881 val |= ((val1 << shift) & mask);
3882
3883 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val);
Ariel Eliorf16da432012-01-26 06:01:50 +00003884 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3885 return val1 != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003886}
3887
3888/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003889 * Read the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003890 *
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003891 * should be run under rtnl lock
3892 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003893static inline bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003894{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003895 u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
3896 BNX2X_PATH0_LOAD_CNT_MASK);
3897 u32 shift = (engine ? BNX2X_PATH1_LOAD_CNT_SHIFT :
3898 BNX2X_PATH0_LOAD_CNT_SHIFT);
3899 u32 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
3900
3901 DP(NETIF_MSG_HW, "GLOB_REG=0x%08x\n", val);
3902
3903 val = (val & mask) >> shift;
3904
Ariel Elior889b9af2012-01-26 06:01:51 +00003905 DP(NETIF_MSG_HW, "load mask for engine %d = 0x%x\n", engine, val);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003906
Ariel Elior889b9af2012-01-26 06:01:51 +00003907 return val != 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003908}
3909
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003910/*
Ariel Elior889b9af2012-01-26 06:01:51 +00003911 * Reset the load status for the current engine.
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003912 */
Ariel Elior889b9af2012-01-26 06:01:51 +00003913static inline void bnx2x_clear_load_status(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003914{
Ariel Eliorf16da432012-01-26 06:01:50 +00003915 u32 val;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003916 u32 mask = (BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
Ariel Eliorf16da432012-01-26 06:01:50 +00003917 BNX2X_PATH0_LOAD_CNT_MASK);
3918 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
3919 val = REG_RD(bp, BNX2X_RECOVERY_GLOB_REG);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003920 REG_WR(bp, BNX2X_RECOVERY_GLOB_REG, val & (~mask));
Ariel Eliorf16da432012-01-26 06:01:50 +00003921 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RECOVERY_REG);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003922}
3923
3924static inline void _print_next_block(int idx, const char *blk)
3925{
Joe Perchesf1deab52011-08-14 12:16:21 +00003926 pr_cont("%s%s", idx ? ", " : "", blk);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003927}
3928
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003929static inline int bnx2x_check_blocks_with_parity0(u32 sig, int par_num,
3930 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003931{
3932 int i = 0;
3933 u32 cur_bit = 0;
3934 for (i = 0; sig; i++) {
3935 cur_bit = ((u32)0x1 << i);
3936 if (sig & cur_bit) {
3937 switch (cur_bit) {
3938 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003939 if (print)
3940 _print_next_block(par_num++, "BRB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003941 break;
3942 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003943 if (print)
3944 _print_next_block(par_num++, "PARSER");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003945 break;
3946 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003947 if (print)
3948 _print_next_block(par_num++, "TSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003949 break;
3950 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003951 if (print)
3952 _print_next_block(par_num++,
3953 "SEARCHER");
3954 break;
3955 case AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR:
3956 if (print)
3957 _print_next_block(par_num++, "TCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003958 break;
3959 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003960 if (print)
3961 _print_next_block(par_num++, "TSEMI");
3962 break;
3963 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3964 if (print)
3965 _print_next_block(par_num++, "XPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003966 break;
3967 }
3968
3969 /* Clear the bit */
3970 sig &= ~cur_bit;
3971 }
3972 }
3973
3974 return par_num;
3975}
3976
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003977static inline int bnx2x_check_blocks_with_parity1(u32 sig, int par_num,
3978 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003979{
3980 int i = 0;
3981 u32 cur_bit = 0;
3982 for (i = 0; sig; i++) {
3983 cur_bit = ((u32)0x1 << i);
3984 if (sig & cur_bit) {
3985 switch (cur_bit) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003986 case AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR:
3987 if (print)
3988 _print_next_block(par_num++, "PBF");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003989 break;
3990 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003991 if (print)
3992 _print_next_block(par_num++, "QM");
3993 break;
3994 case AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR:
3995 if (print)
3996 _print_next_block(par_num++, "TM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003997 break;
3998 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00003999 if (print)
4000 _print_next_block(par_num++, "XSDM");
4001 break;
4002 case AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR:
4003 if (print)
4004 _print_next_block(par_num++, "XCM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004005 break;
4006 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004007 if (print)
4008 _print_next_block(par_num++, "XSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004009 break;
4010 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004011 if (print)
4012 _print_next_block(par_num++,
4013 "DOORBELLQ");
4014 break;
4015 case AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR:
4016 if (print)
4017 _print_next_block(par_num++, "NIG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004018 break;
4019 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004020 if (print)
4021 _print_next_block(par_num++,
4022 "VAUX PCI CORE");
4023 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004024 break;
4025 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004026 if (print)
4027 _print_next_block(par_num++, "DEBUG");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004028 break;
4029 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004030 if (print)
4031 _print_next_block(par_num++, "USDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004032 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004033 case AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR:
4034 if (print)
4035 _print_next_block(par_num++, "UCM");
4036 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004037 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004038 if (print)
4039 _print_next_block(par_num++, "USEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004040 break;
4041 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004042 if (print)
4043 _print_next_block(par_num++, "UPB");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004044 break;
4045 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004046 if (print)
4047 _print_next_block(par_num++, "CSDM");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004048 break;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004049 case AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR:
4050 if (print)
4051 _print_next_block(par_num++, "CCM");
4052 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004053 }
4054
4055 /* Clear the bit */
4056 sig &= ~cur_bit;
4057 }
4058 }
4059
4060 return par_num;
4061}
4062
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004063static inline int bnx2x_check_blocks_with_parity2(u32 sig, int par_num,
4064 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004065{
4066 int i = 0;
4067 u32 cur_bit = 0;
4068 for (i = 0; sig; i++) {
4069 cur_bit = ((u32)0x1 << i);
4070 if (sig & cur_bit) {
4071 switch (cur_bit) {
4072 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004073 if (print)
4074 _print_next_block(par_num++, "CSEMI");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004075 break;
4076 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004077 if (print)
4078 _print_next_block(par_num++, "PXP");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004079 break;
4080 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004081 if (print)
4082 _print_next_block(par_num++,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004083 "PXPPCICLOCKCLIENT");
4084 break;
4085 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004086 if (print)
4087 _print_next_block(par_num++, "CFC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004088 break;
4089 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004090 if (print)
4091 _print_next_block(par_num++, "CDU");
4092 break;
4093 case AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR:
4094 if (print)
4095 _print_next_block(par_num++, "DMAE");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004096 break;
4097 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004098 if (print)
4099 _print_next_block(par_num++, "IGU");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004100 break;
4101 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004102 if (print)
4103 _print_next_block(par_num++, "MISC");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004104 break;
4105 }
4106
4107 /* Clear the bit */
4108 sig &= ~cur_bit;
4109 }
4110 }
4111
4112 return par_num;
4113}
4114
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004115static inline int bnx2x_check_blocks_with_parity3(u32 sig, int par_num,
4116 bool *global, bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004117{
4118 int i = 0;
4119 u32 cur_bit = 0;
4120 for (i = 0; sig; i++) {
4121 cur_bit = ((u32)0x1 << i);
4122 if (sig & cur_bit) {
4123 switch (cur_bit) {
4124 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004125 if (print)
4126 _print_next_block(par_num++, "MCP ROM");
4127 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004128 break;
4129 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004130 if (print)
4131 _print_next_block(par_num++,
4132 "MCP UMP RX");
4133 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004134 break;
4135 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004136 if (print)
4137 _print_next_block(par_num++,
4138 "MCP UMP TX");
4139 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004140 break;
4141 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004142 if (print)
4143 _print_next_block(par_num++,
4144 "MCP SCPAD");
4145 *global = true;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004146 break;
4147 }
4148
4149 /* Clear the bit */
4150 sig &= ~cur_bit;
4151 }
4152 }
4153
4154 return par_num;
4155}
4156
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004157static inline int bnx2x_check_blocks_with_parity4(u32 sig, int par_num,
4158 bool print)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004159{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004160 int i = 0;
4161 u32 cur_bit = 0;
4162 for (i = 0; sig; i++) {
4163 cur_bit = ((u32)0x1 << i);
4164 if (sig & cur_bit) {
4165 switch (cur_bit) {
4166 case AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR:
4167 if (print)
4168 _print_next_block(par_num++, "PGLUE_B");
4169 break;
4170 case AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR:
4171 if (print)
4172 _print_next_block(par_num++, "ATC");
4173 break;
4174 }
4175
4176 /* Clear the bit */
4177 sig &= ~cur_bit;
4178 }
4179 }
4180
4181 return par_num;
4182}
4183
4184static inline bool bnx2x_parity_attn(struct bnx2x *bp, bool *global, bool print,
4185 u32 *sig)
4186{
4187 if ((sig[0] & HW_PRTY_ASSERT_SET_0) ||
4188 (sig[1] & HW_PRTY_ASSERT_SET_1) ||
4189 (sig[2] & HW_PRTY_ASSERT_SET_2) ||
4190 (sig[3] & HW_PRTY_ASSERT_SET_3) ||
4191 (sig[4] & HW_PRTY_ASSERT_SET_4)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004192 int par_num = 0;
4193 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004194 "[0]:0x%08x [1]:0x%08x [2]:0x%08x [3]:0x%08x "
4195 "[4]:0x%08x\n",
4196 sig[0] & HW_PRTY_ASSERT_SET_0,
4197 sig[1] & HW_PRTY_ASSERT_SET_1,
4198 sig[2] & HW_PRTY_ASSERT_SET_2,
4199 sig[3] & HW_PRTY_ASSERT_SET_3,
4200 sig[4] & HW_PRTY_ASSERT_SET_4);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004201 if (print)
4202 netdev_err(bp->dev,
4203 "Parity errors detected in blocks: ");
4204 par_num = bnx2x_check_blocks_with_parity0(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004205 sig[0] & HW_PRTY_ASSERT_SET_0, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004206 par_num = bnx2x_check_blocks_with_parity1(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004207 sig[1] & HW_PRTY_ASSERT_SET_1, par_num, global, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004208 par_num = bnx2x_check_blocks_with_parity2(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004209 sig[2] & HW_PRTY_ASSERT_SET_2, par_num, print);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004210 par_num = bnx2x_check_blocks_with_parity3(
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004211 sig[3] & HW_PRTY_ASSERT_SET_3, par_num, global, print);
4212 par_num = bnx2x_check_blocks_with_parity4(
4213 sig[4] & HW_PRTY_ASSERT_SET_4, par_num, print);
4214
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004215 if (print)
4216 pr_cont("\n");
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004217
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004218 return true;
4219 } else
4220 return false;
4221}
4222
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004223/**
4224 * bnx2x_chk_parity_attn - checks for parity attentions.
4225 *
4226 * @bp: driver handle
4227 * @global: true if there was a global attention
4228 * @print: show parity attention in syslog
4229 */
4230bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004231{
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004232 struct attn_route attn = { {0} };
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004233 int port = BP_PORT(bp);
4234
4235 attn.sig[0] = REG_RD(bp,
4236 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
4237 port*4);
4238 attn.sig[1] = REG_RD(bp,
4239 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
4240 port*4);
4241 attn.sig[2] = REG_RD(bp,
4242 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
4243 port*4);
4244 attn.sig[3] = REG_RD(bp,
4245 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
4246 port*4);
4247
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00004248 if (!CHIP_IS_E1x(bp))
4249 attn.sig[4] = REG_RD(bp,
4250 MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 +
4251 port*4);
4252
4253 return bnx2x_parity_attn(bp, global, print, attn.sig);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004254}
4255
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004256
4257static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
4258{
4259 u32 val;
4260 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
4261
4262 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
4263 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
4264 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
4265 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4266 "ADDRESS_ERROR\n");
4267 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
4268 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4269 "INCORRECT_RCV_BEHAVIOR\n");
4270 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
4271 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4272 "WAS_ERROR_ATTN\n");
4273 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
4274 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4275 "VF_LENGTH_VIOLATION_ATTN\n");
4276 if (val &
4277 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
4278 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4279 "VF_GRC_SPACE_VIOLATION_ATTN\n");
4280 if (val &
4281 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
4282 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4283 "VF_MSIX_BAR_VIOLATION_ATTN\n");
4284 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
4285 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4286 "TCPL_ERROR_ATTN\n");
4287 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
4288 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4289 "TCPL_IN_TWO_RCBS_ATTN\n");
4290 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
4291 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
4292 "CSSNOOP_FIFO_OVERFLOW\n");
4293 }
4294 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
4295 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
4296 BNX2X_ERR("ATC hw attention 0x%x\n", val);
4297 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
4298 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
4299 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
4300 BNX2X_ERR("ATC_ATC_INT_STS_REG"
4301 "_ATC_TCPL_TO_NOT_PEND\n");
4302 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
4303 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
4304 "ATC_GPA_MULTIPLE_HITS\n");
4305 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
4306 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
4307 "ATC_RCPL_TO_EMPTY_CNT\n");
4308 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
4309 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
4310 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
4311 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
4312 "ATC_IREQ_LESS_THAN_STU\n");
4313 }
4314
4315 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4316 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
4317 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
4318 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
4319 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
4320 }
4321
4322}
4323
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004324static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
4325{
4326 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004327 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004328 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004329 u32 reg_addr;
4330 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004331 u32 aeu_mask;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004332 bool global = false;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004333
4334 /* need to take HW lock because MCP or other port might also
4335 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004336 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004337
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004338 if (bnx2x_chk_parity_attn(bp, &global, true)) {
4339#ifndef BNX2X_STOP_ON_ERROR
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004340 bp->recovery_state = BNX2X_RECOVERY_INIT;
Ariel Elior7be08a72011-07-14 08:31:19 +00004341 schedule_delayed_work(&bp->sp_rtnl_task, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004342 /* Disable HW interrupts */
4343 bnx2x_int_disable(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004344 /* In case of parity errors don't handle attentions so that
4345 * other function would "see" parity errors.
4346 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00004347#else
4348 bnx2x_panic();
4349#endif
4350 bnx2x_release_alr(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004351 return;
4352 }
4353
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004354 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
4355 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
4356 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
4357 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004358 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004359 attn.sig[4] =
4360 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
4361 else
4362 attn.sig[4] = 0;
4363
4364 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
4365 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004366
4367 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4368 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004369 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004370
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004371 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
4372 "%08x %08x %08x\n",
4373 index,
4374 group_mask->sig[0], group_mask->sig[1],
4375 group_mask->sig[2], group_mask->sig[3],
4376 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004377
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004378 bnx2x_attn_int_deasserted4(bp,
4379 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004380 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004381 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004382 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004383 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004384 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004385 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004386 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004387 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004388 }
4389 }
4390
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07004391 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004392
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004393 if (bp->common.int_block == INT_BLOCK_HC)
4394 reg_addr = (HC_REG_COMMAND_REG + port*32 +
4395 COMMAND_REG_ATTN_BITS_CLR);
4396 else
4397 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004398
4399 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004400 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
4401 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004402 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004403
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004404 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004405 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004406
4407 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4408 MISC_REG_AEU_MASK_ATTN_FUNC_0;
4409
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004410 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
4411 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004412
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004413 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
4414 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004415 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07004416 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
4417
4418 REG_WR(bp, reg_addr, aeu_mask);
4419 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004420
4421 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
4422 bp->attn_state &= ~deasserted;
4423 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
4424}
4425
4426static void bnx2x_attn_int(struct bnx2x *bp)
4427{
4428 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08004429 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
4430 attn_bits);
4431 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
4432 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004433 u32 attn_state = bp->attn_state;
4434
4435 /* look for changed bits */
4436 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
4437 u32 deasserted = ~attn_bits & attn_ack & attn_state;
4438
4439 DP(NETIF_MSG_HW,
4440 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
4441 attn_bits, attn_ack, asserted, deasserted);
4442
4443 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004444 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004445
4446 /* handle bits that were raised */
4447 if (asserted)
4448 bnx2x_attn_int_asserted(bp, asserted);
4449
4450 if (deasserted)
4451 bnx2x_attn_int_deasserted(bp, deasserted);
4452}
4453
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004454void bnx2x_igu_ack_sb(struct bnx2x *bp, u8 igu_sb_id, u8 segment,
4455 u16 index, u8 op, u8 update)
4456{
4457 u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id)*8;
4458
4459 bnx2x_igu_ack_sb_gen(bp, igu_sb_id, segment, index, op, update,
4460 igu_addr);
4461}
4462
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004463static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
4464{
4465 /* No memory barriers */
4466 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
4467 mmiowb(); /* keep prod updates ordered */
4468}
4469
4470#ifdef BCM_CNIC
4471static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
4472 union event_ring_elem *elem)
4473{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004474 u8 err = elem->message.error;
4475
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004476 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00004477 (cid < bp->cnic_eth_dev.starting_cid &&
4478 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004479 return 1;
4480
4481 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
4482
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004483 if (unlikely(err)) {
4484
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004485 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
4486 cid);
4487 bnx2x_panic_dump(bp);
4488 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004489 bnx2x_cnic_cfc_comp(bp, cid, err);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004490 return 0;
4491}
4492#endif
4493
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004494static inline void bnx2x_handle_mcast_eqe(struct bnx2x *bp)
4495{
4496 struct bnx2x_mcast_ramrod_params rparam;
4497 int rc;
4498
4499 memset(&rparam, 0, sizeof(rparam));
4500
4501 rparam.mcast_obj = &bp->mcast_obj;
4502
4503 netif_addr_lock_bh(bp->dev);
4504
4505 /* Clear pending state for the last command */
4506 bp->mcast_obj.raw.clear_pending(&bp->mcast_obj.raw);
4507
4508 /* If there are pending mcast commands - send them */
4509 if (bp->mcast_obj.check_pending(&bp->mcast_obj)) {
4510 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
4511 if (rc < 0)
4512 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
4513 rc);
4514 }
4515
4516 netif_addr_unlock_bh(bp->dev);
4517}
4518
4519static inline void bnx2x_handle_classification_eqe(struct bnx2x *bp,
4520 union event_ring_elem *elem)
4521{
4522 unsigned long ramrod_flags = 0;
4523 int rc = 0;
4524 u32 cid = elem->message.data.eth_event.echo & BNX2X_SWCID_MASK;
4525 struct bnx2x_vlan_mac_obj *vlan_mac_obj;
4526
4527 /* Always push next commands out, don't wait here */
4528 __set_bit(RAMROD_CONT, &ramrod_flags);
4529
4530 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
4531 case BNX2X_FILTER_MAC_PENDING:
4532#ifdef BCM_CNIC
4533 if (cid == BNX2X_ISCSI_ETH_CID)
4534 vlan_mac_obj = &bp->iscsi_l2_mac_obj;
4535 else
4536#endif
4537 vlan_mac_obj = &bp->fp[cid].mac_obj;
4538
4539 break;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004540 case BNX2X_FILTER_MCAST_PENDING:
4541 /* This is only relevant for 57710 where multicast MACs are
4542 * configured as unicast MACs using the same ramrod.
4543 */
4544 bnx2x_handle_mcast_eqe(bp);
4545 return;
4546 default:
4547 BNX2X_ERR("Unsupported classification command: %d\n",
4548 elem->message.data.eth_event.echo);
4549 return;
4550 }
4551
4552 rc = vlan_mac_obj->complete(bp, vlan_mac_obj, elem, &ramrod_flags);
4553
4554 if (rc < 0)
4555 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
4556 else if (rc > 0)
4557 DP(BNX2X_MSG_SP, "Scheduled next pending commands...\n");
4558
4559}
4560
4561#ifdef BCM_CNIC
4562static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start);
4563#endif
4564
4565static inline void bnx2x_handle_rx_mode_eqe(struct bnx2x *bp)
4566{
4567 netif_addr_lock_bh(bp->dev);
4568
4569 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
4570
4571 /* Send rx_mode command again if was requested */
4572 if (test_and_clear_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state))
4573 bnx2x_set_storm_rx_mode(bp);
4574#ifdef BCM_CNIC
4575 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED,
4576 &bp->sp_state))
4577 bnx2x_set_iscsi_eth_rx_mode(bp, true);
4578 else if (test_and_clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED,
4579 &bp->sp_state))
4580 bnx2x_set_iscsi_eth_rx_mode(bp, false);
4581#endif
4582
4583 netif_addr_unlock_bh(bp->dev);
4584}
4585
4586static inline struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
4587 struct bnx2x *bp, u32 cid)
4588{
Joe Perches94f05b02011-08-14 12:16:20 +00004589 DP(BNX2X_MSG_SP, "retrieving fp from cid %d\n", cid);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004590#ifdef BCM_CNIC
4591 if (cid == BNX2X_FCOE_ETH_CID)
4592 return &bnx2x_fcoe(bp, q_obj);
4593 else
4594#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +00004595 return &bnx2x_fp(bp, CID_TO_FP(cid), q_obj);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004596}
4597
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004598static void bnx2x_eq_int(struct bnx2x *bp)
4599{
4600 u16 hw_cons, sw_cons, sw_prod;
4601 union event_ring_elem *elem;
4602 u32 cid;
4603 u8 opcode;
4604 int spqe_cnt = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004605 struct bnx2x_queue_sp_obj *q_obj;
4606 struct bnx2x_func_sp_obj *f_obj = &bp->func_obj;
4607 struct bnx2x_raw_obj *rss_raw = &bp->rss_conf_obj.raw;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004608
4609 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
4610
4611 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
4612 * when we get the the next-page we nned to adjust so the loop
4613 * condition below will be met. The next element is the size of a
4614 * regular element and hence incrementing by 1
4615 */
4616 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
4617 hw_cons++;
4618
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004619 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004620 * specific bp, thus there is no need in "paired" read memory
4621 * barrier here.
4622 */
4623 sw_cons = bp->eq_cons;
4624 sw_prod = bp->eq_prod;
4625
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004626 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->eq_spq_left %x\n",
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004627 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004628
4629 for (; sw_cons != hw_cons;
4630 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
4631
4632
4633 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
4634
4635 cid = SW_CID(elem->message.data.cfc_del_event.cid);
4636 opcode = elem->message.opcode;
4637
4638
4639 /* handle eq element */
4640 switch (opcode) {
4641 case EVENT_RING_OPCODE_STAT_QUERY:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004642 DP(NETIF_MSG_TIMER, "got statistics comp event %d\n",
4643 bp->stats_comp++);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004644 /* nothing to do with stats comp */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004645 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004646
4647 case EVENT_RING_OPCODE_CFC_DEL:
4648 /* handle according to cid range */
4649 /*
4650 * we may want to verify here that the bp state is
4651 * HALTING
4652 */
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004653 DP(BNX2X_MSG_SP,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004654 "got delete ramrod for MULTI[%d]\n", cid);
4655#ifdef BCM_CNIC
4656 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
4657 goto next_spqe;
4658#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004659 q_obj = bnx2x_cid_to_q_obj(bp, cid);
4660
4661 if (q_obj->complete_cmd(bp, q_obj, BNX2X_Q_CMD_CFC_DEL))
4662 break;
4663
4664
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004665
4666 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004667
4668 case EVENT_RING_OPCODE_STOP_TRAFFIC:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004669 DP(BNX2X_MSG_SP, "got STOP TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004670 if (f_obj->complete_cmd(bp, f_obj,
4671 BNX2X_F_CMD_TX_STOP))
4672 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004673 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
4674 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004675
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004676 case EVENT_RING_OPCODE_START_TRAFFIC:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004677 DP(BNX2X_MSG_SP, "got START TRAFFIC\n");
Dmitry Kravkov6debea82011-07-19 01:42:04 +00004678 if (f_obj->complete_cmd(bp, f_obj,
4679 BNX2X_F_CMD_TX_START))
4680 break;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004681 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
4682 goto next_spqe;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004683 case EVENT_RING_OPCODE_FUNCTION_START:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004684 DP(BNX2X_MSG_SP, "got FUNC_START ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004685 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_START))
4686 break;
4687
4688 goto next_spqe;
4689
4690 case EVENT_RING_OPCODE_FUNCTION_STOP:
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004691 DP(BNX2X_MSG_SP, "got FUNC_STOP ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004692 if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_STOP))
4693 break;
4694
4695 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004696 }
4697
4698 switch (opcode | bp->state) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004699 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
4700 BNX2X_STATE_OPEN):
4701 case (EVENT_RING_OPCODE_RSS_UPDATE_RULES |
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004702 BNX2X_STATE_OPENING_WAIT4_PORT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004703 cid = elem->message.data.eth_event.echo &
4704 BNX2X_SWCID_MASK;
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004705 DP(BNX2X_MSG_SP, "got RSS_UPDATE ramrod. CID %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004706 cid);
4707 rss_raw->clear_pending(rss_raw);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004708 break;
4709
4710 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
4711 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004712 case (EVENT_RING_OPCODE_SET_MAC |
4713 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004714 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4715 BNX2X_STATE_OPEN):
4716 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4717 BNX2X_STATE_DIAG):
4718 case (EVENT_RING_OPCODE_CLASSIFICATION_RULES |
4719 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004720 DP(BNX2X_MSG_SP, "got (un)set mac ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004721 bnx2x_handle_classification_eqe(bp, elem);
4722 break;
4723
4724 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4725 BNX2X_STATE_OPEN):
4726 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4727 BNX2X_STATE_DIAG):
4728 case (EVENT_RING_OPCODE_MULTICAST_RULES |
4729 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004730 DP(BNX2X_MSG_SP, "got mcast ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004731 bnx2x_handle_mcast_eqe(bp);
4732 break;
4733
4734 case (EVENT_RING_OPCODE_FILTERS_RULES |
4735 BNX2X_STATE_OPEN):
4736 case (EVENT_RING_OPCODE_FILTERS_RULES |
4737 BNX2X_STATE_DIAG):
4738 case (EVENT_RING_OPCODE_FILTERS_RULES |
4739 BNX2X_STATE_CLOSING_WAIT4_HALT):
Vladislav Zolotarovd6cae232011-07-24 03:54:17 +00004740 DP(BNX2X_MSG_SP, "got rx_mode ramrod\n");
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004741 bnx2x_handle_rx_mode_eqe(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004742 break;
4743 default:
4744 /* unknown event log error and continue */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004745 BNX2X_ERR("Unknown EQ event %d, bp->state 0x%x\n",
4746 elem->message.opcode, bp->state);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004747 }
4748next_spqe:
4749 spqe_cnt++;
4750 } /* for */
4751
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004752 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004753 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004754
4755 bp->eq_cons = sw_cons;
4756 bp->eq_prod = sw_prod;
4757 /* Make sure that above mem writes were issued towards the memory */
4758 smp_wmb();
4759
4760 /* update producer */
4761 bnx2x_update_eq_prod(bp, bp->eq_prod);
4762}
4763
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004764static void bnx2x_sp_task(struct work_struct *work)
4765{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004766 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004767 u16 status;
4768
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004769 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004770/* if (status == 0) */
4771/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004772
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004773 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004774
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08004775 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004776 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004777 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004778 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004779 }
4780
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004781 /* SP events: STAT_QUERY and others */
4782 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004783#ifdef BCM_CNIC
4784 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004785
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004786 if ((!NO_FCOE(bp)) &&
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00004787 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
4788 /*
4789 * Prevent local bottom-halves from running as
4790 * we are going to change the local NAPI list.
4791 */
4792 local_bh_disable();
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004793 napi_schedule(&bnx2x_fcoe(bp, napi));
Vladislav Zolotarov019dbb42011-07-19 01:43:25 +00004794 local_bh_enable();
4795 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004796#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004797 /* Handle EQ completions */
4798 bnx2x_eq_int(bp);
4799
4800 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
4801 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
4802
4803 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004804 }
4805
4806 if (unlikely(status))
4807 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
4808 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004809
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004810 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
4811 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004812}
4813
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004814irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004815{
4816 struct net_device *dev = dev_instance;
4817 struct bnx2x *bp = netdev_priv(dev);
4818
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004819 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
4820 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004821
4822#ifdef BNX2X_STOP_ON_ERROR
4823 if (unlikely(bp->panic))
4824 return IRQ_HANDLED;
4825#endif
4826
Michael Chan993ac7b2009-10-10 13:46:56 +00004827#ifdef BCM_CNIC
4828 {
4829 struct cnic_ops *c_ops;
4830
4831 rcu_read_lock();
4832 c_ops = rcu_dereference(bp->cnic_ops);
4833 if (c_ops)
4834 c_ops->cnic_handler(bp->cnic_data, NULL);
4835 rcu_read_unlock();
4836 }
4837#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08004838 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004839
4840 return IRQ_HANDLED;
4841}
4842
4843/* end of slow path */
4844
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004845
4846void bnx2x_drv_pulse(struct bnx2x *bp)
4847{
4848 SHMEM_WR(bp, func_mb[BP_FW_MB_IDX(bp)].drv_pulse_mb,
4849 bp->fw_drv_pulse_wr_seq);
4850}
4851
4852
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004853static void bnx2x_timer(unsigned long data)
4854{
Ariel Elior6383c0b2011-07-14 08:31:57 +00004855 u8 cos;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004856 struct bnx2x *bp = (struct bnx2x *) data;
4857
4858 if (!netif_running(bp->dev))
4859 return;
4860
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004861 if (poll) {
4862 struct bnx2x_fastpath *fp = &bp->fp[0];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004863
Ariel Elior6383c0b2011-07-14 08:31:57 +00004864 for_each_cos_in_tx_queue(fp, cos)
4865 bnx2x_tx_int(bp, &fp->txdata[cos]);
David S. Millerb8ee8322011-04-17 16:56:12 -07004866 bnx2x_rx_int(fp, 1000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004867 }
4868
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004869 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004870 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004871 u32 drv_pulse;
4872 u32 mcp_pulse;
4873
4874 ++bp->fw_drv_pulse_wr_seq;
4875 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
4876 /* TBD - add SYSTEM_TIME */
4877 drv_pulse = bp->fw_drv_pulse_wr_seq;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004878 bnx2x_drv_pulse(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004879
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004880 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004881 MCP_PULSE_SEQ_MASK);
4882 /* The delta between driver pulse and mcp response
4883 * should be 1 (before mcp response) or 0 (after mcp response)
4884 */
4885 if ((drv_pulse != mcp_pulse) &&
4886 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
4887 /* someone lost a heartbeat... */
4888 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
4889 drv_pulse, mcp_pulse);
4890 }
4891 }
4892
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07004893 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004894 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004895
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004896 mod_timer(&bp->timer, jiffies + bp->current_interval);
4897}
4898
4899/* end of Statistics */
4900
4901/* nic init */
4902
4903/*
4904 * nic init service functions
4905 */
4906
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004907static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004908{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004909 u32 i;
4910 if (!(len%4) && !(addr%4))
4911 for (i = 0; i < len; i += 4)
4912 REG_WR(bp, addr + i, fill);
4913 else
4914 for (i = 0; i < len; i++)
4915 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004916
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004917}
4918
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004919/* helper: writes FP SP data to FW - data_size in dwords */
4920static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
4921 int fw_sb_id,
4922 u32 *sb_data_p,
4923 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004924{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004925 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004926 for (index = 0; index < data_size; index++)
4927 REG_WR(bp, BAR_CSTRORM_INTMEM +
4928 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
4929 sizeof(u32)*index,
4930 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004931}
4932
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004933static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
4934{
4935 u32 *sb_data_p;
4936 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004937 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004938 struct hc_status_block_data_e1x sb_data_e1x;
4939
4940 /* disable the function first */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004941 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004942 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004943 sb_data_e2.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004944 sb_data_e2.common.p_func.vf_valid = false;
4945 sb_data_p = (u32 *)&sb_data_e2;
4946 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4947 } else {
4948 memset(&sb_data_e1x, 0,
4949 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004950 sb_data_e1x.common.state = SB_DISABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004951 sb_data_e1x.common.p_func.vf_valid = false;
4952 sb_data_p = (u32 *)&sb_data_e1x;
4953 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4954 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004955 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4956
4957 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4958 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
4959 CSTORM_STATUS_BLOCK_SIZE);
4960 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4961 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
4962 CSTORM_SYNC_BLOCK_SIZE);
4963}
4964
4965/* helper: writes SP SB data to FW */
4966static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
4967 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004968{
4969 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004970 int i;
4971 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4972 REG_WR(bp, BAR_CSTRORM_INTMEM +
4973 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4974 i*sizeof(u32),
4975 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004976}
4977
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004978static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4979{
4980 int func = BP_FUNC(bp);
4981 struct hc_sp_status_block_data sp_sb_data;
4982 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4983
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03004984 sp_sb_data.state = SB_DISABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004985 sp_sb_data.p_func.vf_valid = false;
4986
4987 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4988
4989 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4990 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4991 CSTORM_SP_STATUS_BLOCK_SIZE);
4992 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4993 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4994 CSTORM_SP_SYNC_BLOCK_SIZE);
4995
4996}
4997
4998
4999static inline
5000void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
5001 int igu_sb_id, int igu_seg_id)
5002{
5003 hc_sm->igu_sb_id = igu_sb_id;
5004 hc_sm->igu_seg_id = igu_seg_id;
5005 hc_sm->timer_value = 0xFF;
5006 hc_sm->time_to_expire = 0xFFFFFFFF;
5007}
5008
David S. Miller8decf862011-09-22 03:23:13 -04005009
5010/* allocates state machine ids. */
5011static inline
5012void bnx2x_map_sb_state_machines(struct hc_index_data *index_data)
5013{
5014 /* zero out state machine indices */
5015 /* rx indices */
5016 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5017
5018 /* tx indices */
5019 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID;
5020 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID;
5021 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID;
5022 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID;
5023
5024 /* map indices */
5025 /* rx indices */
5026 index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |=
5027 SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5028
5029 /* tx indices */
5030 index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |=
5031 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5032 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |=
5033 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5034 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |=
5035 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5036 index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |=
5037 SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT;
5038}
5039
stephen hemminger8d962862010-10-21 07:50:56 +00005040static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005041 u8 vf_valid, int fw_sb_id, int igu_sb_id)
5042{
5043 int igu_seg_id;
5044
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005045 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005046 struct hc_status_block_data_e1x sb_data_e1x;
5047 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005048 int data_size;
5049 u32 *sb_data_p;
5050
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005051 if (CHIP_INT_MODE_IS_BC(bp))
5052 igu_seg_id = HC_SEG_ACCESS_NORM;
5053 else
5054 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005055
5056 bnx2x_zero_fp_sb(bp, fw_sb_id);
5057
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005058 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005059 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005060 sb_data_e2.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005061 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
5062 sb_data_e2.common.p_func.vf_id = vfid;
5063 sb_data_e2.common.p_func.vf_valid = vf_valid;
5064 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
5065 sb_data_e2.common.same_igu_sb_1b = true;
5066 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
5067 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
5068 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005069 sb_data_p = (u32 *)&sb_data_e2;
5070 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005071 bnx2x_map_sb_state_machines(sb_data_e2.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005072 } else {
5073 memset(&sb_data_e1x, 0,
5074 sizeof(struct hc_status_block_data_e1x));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005075 sb_data_e1x.common.state = SB_ENABLED;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005076 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
5077 sb_data_e1x.common.p_func.vf_id = 0xff;
5078 sb_data_e1x.common.p_func.vf_valid = false;
5079 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
5080 sb_data_e1x.common.same_igu_sb_1b = true;
5081 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
5082 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
5083 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005084 sb_data_p = (u32 *)&sb_data_e1x;
5085 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
David S. Miller8decf862011-09-22 03:23:13 -04005086 bnx2x_map_sb_state_machines(sb_data_e1x.index_data);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005087 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005088
5089 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
5090 igu_sb_id, igu_seg_id);
5091 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
5092 igu_sb_id, igu_seg_id);
5093
5094 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
5095
5096 /* write indecies to HW */
5097 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
5098}
5099
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005100static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005101 u16 tx_usec, u16 rx_usec)
5102{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005103 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005104 false, rx_usec);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005105 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5106 HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
5107 tx_usec);
5108 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5109 HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
5110 tx_usec);
5111 bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
5112 HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
5113 tx_usec);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005114}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005115
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005116static void bnx2x_init_def_sb(struct bnx2x *bp)
5117{
5118 struct host_sp_status_block *def_sb = bp->def_status_blk;
5119 dma_addr_t mapping = bp->def_status_blk_mapping;
5120 int igu_sp_sb_index;
5121 int igu_seg_id;
5122 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005123 int func = BP_FUNC(bp);
David S. Miller88c51002011-10-07 13:38:43 -04005124 int reg_offset, reg_offset_en5;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005125 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005126 int index;
5127 struct hc_sp_status_block_data sp_sb_data;
5128 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
5129
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005130 if (CHIP_INT_MODE_IS_BC(bp)) {
5131 igu_sp_sb_index = DEF_SB_IGU_ID;
5132 igu_seg_id = HC_SEG_ACCESS_DEF;
5133 } else {
5134 igu_sp_sb_index = bp->igu_dsb_id;
5135 igu_seg_id = IGU_SEG_ACCESS_DEF;
5136 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005137
5138 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005139 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005140 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005141 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005142
Eliezer Tamir49d66772008-02-28 11:53:13 -08005143 bp->attn_state = 0;
5144
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005145 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5146 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
David S. Miller88c51002011-10-07 13:38:43 -04005147 reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
5148 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005149 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005150 int sindex;
5151 /* take care of sig[0]..sig[4] */
5152 for (sindex = 0; sindex < 4; sindex++)
5153 bp->attn_group[index].sig[sindex] =
5154 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005155
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005156 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005157 /*
5158 * enable5 is separate from the rest of the registers,
5159 * and therefore the address skip is 4
5160 * and not 16 between the different groups
5161 */
5162 bp->attn_group[index].sig[4] = REG_RD(bp,
David S. Miller88c51002011-10-07 13:38:43 -04005163 reg_offset_en5 + 0x4*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005164 else
5165 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005166 }
5167
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005168 if (bp->common.int_block == INT_BLOCK_HC) {
5169 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
5170 HC_REG_ATTN_MSG0_ADDR_L);
5171
5172 REG_WR(bp, reg_offset, U64_LO(section));
5173 REG_WR(bp, reg_offset + 4, U64_HI(section));
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005174 } else if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005175 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
5176 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
5177 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005178
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005179 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
5180 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005181
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005182 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005183
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005184 sp_sb_data.state = SB_ENABLED;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005185 sp_sb_data.host_sb_addr.lo = U64_LO(section);
5186 sp_sb_data.host_sb_addr.hi = U64_HI(section);
5187 sp_sb_data.igu_sb_id = igu_sp_sb_index;
5188 sp_sb_data.igu_seg_id = igu_seg_id;
5189 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005190 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005191 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005192
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005193 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005194
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005195 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005196}
5197
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005198void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005199{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005200 int i;
5201
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005202 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005203 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07005204 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005205}
5206
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005207static void bnx2x_init_sp_ring(struct bnx2x *bp)
5208{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005209 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005210 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005211
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005212 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005213 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
5214 bp->spq_prod_bd = bp->spq;
5215 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005216}
5217
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005218static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005219{
5220 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005221 for (i = 1; i <= NUM_EQ_PAGES; i++) {
5222 union event_ring_elem *elem =
5223 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005224
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005225 elem->next_page.addr.hi =
5226 cpu_to_le32(U64_HI(bp->eq_mapping +
5227 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
5228 elem->next_page.addr.lo =
5229 cpu_to_le32(U64_LO(bp->eq_mapping +
5230 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005231 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005232 bp->eq_cons = 0;
5233 bp->eq_prod = NUM_EQ_DESC;
5234 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005235 /* we want a warning message before it gets rought... */
5236 atomic_set(&bp->eq_spq_left,
5237 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005238}
5239
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005240
5241/* called with netif_addr_lock_bh() */
5242void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
5243 unsigned long rx_mode_flags,
5244 unsigned long rx_accept_flags,
5245 unsigned long tx_accept_flags,
5246 unsigned long ramrod_flags)
Tom Herbertab532cf2011-02-16 10:27:02 +00005247{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005248 struct bnx2x_rx_mode_ramrod_params ramrod_param;
5249 int rc;
Tom Herbertab532cf2011-02-16 10:27:02 +00005250
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005251 memset(&ramrod_param, 0, sizeof(ramrod_param));
Tom Herbertab532cf2011-02-16 10:27:02 +00005252
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005253 /* Prepare ramrod parameters */
5254 ramrod_param.cid = 0;
5255 ramrod_param.cl_id = cl_id;
5256 ramrod_param.rx_mode_obj = &bp->rx_mode_obj;
5257 ramrod_param.func_id = BP_FUNC(bp);
5258
5259 ramrod_param.pstate = &bp->sp_state;
5260 ramrod_param.state = BNX2X_FILTER_RX_MODE_PENDING;
5261
5262 ramrod_param.rdata = bnx2x_sp(bp, rx_mode_rdata);
5263 ramrod_param.rdata_mapping = bnx2x_sp_mapping(bp, rx_mode_rdata);
5264
5265 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state);
5266
5267 ramrod_param.ramrod_flags = ramrod_flags;
5268 ramrod_param.rx_mode_flags = rx_mode_flags;
5269
5270 ramrod_param.rx_accept_flags = rx_accept_flags;
5271 ramrod_param.tx_accept_flags = tx_accept_flags;
5272
5273 rc = bnx2x_config_rx_mode(bp, &ramrod_param);
5274 if (rc < 0) {
5275 BNX2X_ERR("Set rx_mode %d failed\n", bp->rx_mode);
5276 return;
5277 }
5278}
5279
5280/* called with netif_addr_lock_bh() */
5281void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
5282{
5283 unsigned long rx_mode_flags = 0, ramrod_flags = 0;
5284 unsigned long rx_accept_flags = 0, tx_accept_flags = 0;
5285
5286#ifdef BCM_CNIC
5287 if (!NO_FCOE(bp))
5288
5289 /* Configure rx_mode of FCoE Queue */
5290 __set_bit(BNX2X_RX_MODE_FCOE_ETH, &rx_mode_flags);
5291#endif
5292
5293 switch (bp->rx_mode) {
5294 case BNX2X_RX_MODE_NONE:
5295 /*
5296 * 'drop all' supersedes any accept flags that may have been
5297 * passed to the function.
5298 */
5299 break;
5300 case BNX2X_RX_MODE_NORMAL:
5301 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5302 __set_bit(BNX2X_ACCEPT_MULTICAST, &rx_accept_flags);
5303 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5304
5305 /* internal switching mode */
5306 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5307 __set_bit(BNX2X_ACCEPT_MULTICAST, &tx_accept_flags);
5308 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5309
5310 break;
5311 case BNX2X_RX_MODE_ALLMULTI:
5312 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5313 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5314 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5315
5316 /* internal switching mode */
5317 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5318 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5319 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5320
5321 break;
5322 case BNX2X_RX_MODE_PROMISC:
5323 /* According to deffinition of SI mode, iface in promisc mode
5324 * should receive matched and unmatched (in resolution of port)
5325 * unicast packets.
5326 */
5327 __set_bit(BNX2X_ACCEPT_UNMATCHED, &rx_accept_flags);
5328 __set_bit(BNX2X_ACCEPT_UNICAST, &rx_accept_flags);
5329 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &rx_accept_flags);
5330 __set_bit(BNX2X_ACCEPT_BROADCAST, &rx_accept_flags);
5331
5332 /* internal switching mode */
5333 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &tx_accept_flags);
5334 __set_bit(BNX2X_ACCEPT_BROADCAST, &tx_accept_flags);
5335
5336 if (IS_MF_SI(bp))
5337 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &tx_accept_flags);
5338 else
5339 __set_bit(BNX2X_ACCEPT_UNICAST, &tx_accept_flags);
5340
5341 break;
5342 default:
5343 BNX2X_ERR("Unknown rx_mode: %d\n", bp->rx_mode);
5344 return;
5345 }
5346
5347 if (bp->rx_mode != BNX2X_RX_MODE_NONE) {
5348 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &rx_accept_flags);
5349 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &tx_accept_flags);
5350 }
5351
5352 __set_bit(RAMROD_RX, &ramrod_flags);
5353 __set_bit(RAMROD_TX, &ramrod_flags);
5354
5355 bnx2x_set_q_rx_mode(bp, bp->fp->cl_id, rx_mode_flags, rx_accept_flags,
5356 tx_accept_flags, ramrod_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005357}
5358
Eilon Greenstein471de712008-08-13 15:49:35 -07005359static void bnx2x_init_internal_common(struct bnx2x *bp)
5360{
5361 int i;
5362
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005363 if (IS_MF_SI(bp))
5364 /*
5365 * In switch independent mode, the TSTORM needs to accept
5366 * packets that failed classification, since approximate match
5367 * mac addresses aren't written to NIG LLH
5368 */
5369 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5370 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005371 else if (!CHIP_IS_E1(bp)) /* 57710 doesn't support MF */
5372 REG_WR8(bp, BAR_TSTRORM_INTMEM +
5373 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005374
Eilon Greenstein471de712008-08-13 15:49:35 -07005375 /* Zero this manually as its initialization is
5376 currently missing in the initTool */
5377 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
5378 REG_WR(bp, BAR_USTRORM_INTMEM +
5379 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005380 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005381 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
5382 CHIP_INT_MODE_IS_BC(bp) ?
5383 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
5384 }
Eilon Greenstein471de712008-08-13 15:49:35 -07005385}
5386
Eilon Greenstein471de712008-08-13 15:49:35 -07005387static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
5388{
5389 switch (load_code) {
5390 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005391 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07005392 bnx2x_init_internal_common(bp);
5393 /* no break */
5394
5395 case FW_MSG_CODE_DRV_LOAD_PORT:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005396 /* nothing to do */
Eilon Greenstein471de712008-08-13 15:49:35 -07005397 /* no break */
5398
5399 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005400 /* internal memory per function is
5401 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07005402 break;
5403
5404 default:
5405 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5406 break;
5407 }
5408}
5409
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005410static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
5411{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005412 return fp->bp->igu_base_sb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005413}
5414
5415static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
5416{
Ariel Elior6383c0b2011-07-14 08:31:57 +00005417 return fp->bp->base_fw_ndsb + fp->index + CNIC_PRESENT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005418}
5419
5420static inline u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
5421{
5422 if (CHIP_IS_E1x(fp->bp))
5423 return BP_L_ID(fp->bp) + fp->index;
5424 else /* We want Client ID to be the same as IGU SB ID for 57712 */
5425 return bnx2x_fp_igu_sb_id(fp);
5426}
5427
Ariel Elior6383c0b2011-07-14 08:31:57 +00005428static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005429{
5430 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
Ariel Elior6383c0b2011-07-14 08:31:57 +00005431 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005432 unsigned long q_type = 0;
Ariel Elior6383c0b2011-07-14 08:31:57 +00005433 u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
Dmitry Kravkovf233caf2011-11-13 04:34:22 +00005434 fp->rx_queue = fp_idx;
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005435 fp->cid = fp_idx;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005436 fp->cl_id = bnx2x_fp_cl_id(fp);
5437 fp->fw_sb_id = bnx2x_fp_fw_sb_id(fp);
5438 fp->igu_sb_id = bnx2x_fp_igu_sb_id(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005439 /* qZone id equals to FW (per path) client id */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005440 fp->cl_qzone_id = bnx2x_fp_qzone_id(fp);
5441
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005442 /* init shortcut */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005443 fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005444 /* Setup SB indicies */
5445 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005446
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005447 /* Configure Queue State object */
5448 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
5449 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
Ariel Elior6383c0b2011-07-14 08:31:57 +00005450
5451 BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
5452
5453 /* init tx data */
5454 for_each_cos_in_tx_queue(fp, cos) {
5455 bnx2x_init_txdata(bp, &fp->txdata[cos],
5456 CID_COS_TO_TX_ONLY_CID(fp->cid, cos),
5457 FP_COS_TO_TXQ(fp, cos),
5458 BNX2X_TX_SB_INDEX_BASE + cos);
5459 cids[cos] = fp->txdata[cos].cid;
5460 }
5461
5462 bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, cids, fp->max_cos,
5463 BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
5464 bnx2x_sp_mapping(bp, q_rdata), q_type);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005465
5466 /**
5467 * Configure classification DBs: Always enable Tx switching
5468 */
5469 bnx2x_init_vlan_mac_fp_objs(fp, BNX2X_OBJ_TYPE_RX_TX);
5470
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005471 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
5472 "cl_id %d fw_sb %d igu_sb %d\n",
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005473 fp_idx, bp, fp->status_blk.e2_sb, fp->cl_id, fp->fw_sb_id,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005474 fp->igu_sb_id);
5475 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
5476 fp->fw_sb_id, fp->igu_sb_id);
5477
5478 bnx2x_update_fpsb_idx(fp);
5479}
5480
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005481void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005482{
5483 int i;
5484
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005485 for_each_eth_queue(bp, i)
Ariel Elior6383c0b2011-07-14 08:31:57 +00005486 bnx2x_init_eth_fp(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00005487#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005488 if (!NO_FCOE(bp))
5489 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005490
5491 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
5492 BNX2X_VF_ID_INVALID, false,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005493 bnx2x_cnic_fw_sb_id(bp), bnx2x_cnic_igu_sb_id(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005494
Michael Chan37b091b2009-10-10 13:46:55 +00005495#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005496
Yaniv Rosner020c7e32011-05-31 21:28:43 +00005497 /* Initialize MOD_ABS interrupts */
5498 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
5499 bp->common.shmem_base, bp->common.shmem2_base,
5500 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00005501 /* ensure status block indices were read */
5502 rmb();
5503
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005504 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07005505 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005506 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005507 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005508 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005509 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07005510 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005511 bnx2x_pf_init(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005512 bnx2x_stats_init(bp);
5513
Eilon Greenstein0ef00452009-01-14 21:31:08 -08005514 /* flush all before enabling interrupts */
5515 mb();
5516 mmiowb();
5517
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08005518 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00005519
5520 /* Check for SPIO5 */
5521 bnx2x_attn_int_deasserted0(bp,
5522 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
5523 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005524}
5525
5526/* end of nic init */
5527
5528/*
5529 * gzip service functions
5530 */
5531
5532static int bnx2x_gunzip_init(struct bnx2x *bp)
5533{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005534 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
5535 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005536 if (bp->gunzip_buf == NULL)
5537 goto gunzip_nomem1;
5538
5539 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
5540 if (bp->strm == NULL)
5541 goto gunzip_nomem2;
5542
David S. Miller7ab24bf2011-06-29 05:48:41 -07005543 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005544 if (bp->strm->workspace == NULL)
5545 goto gunzip_nomem3;
5546
5547 return 0;
5548
5549gunzip_nomem3:
5550 kfree(bp->strm);
5551 bp->strm = NULL;
5552
5553gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005554 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5555 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005556 bp->gunzip_buf = NULL;
5557
5558gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005559 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
5560 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005561 return -ENOMEM;
5562}
5563
5564static void bnx2x_gunzip_end(struct bnx2x *bp)
5565{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005566 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07005567 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005568 kfree(bp->strm);
5569 bp->strm = NULL;
5570 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005571
5572 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00005573 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
5574 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005575 bp->gunzip_buf = NULL;
5576 }
5577}
5578
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005579static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005580{
5581 int n, rc;
5582
5583 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005584 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
5585 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005586 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005587 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005588
5589 n = 10;
5590
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005591#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005592
5593 if (zbuf[3] & FNAME)
5594 while ((zbuf[n++] != 0) && (n < len));
5595
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005596 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005597 bp->strm->avail_in = len - n;
5598 bp->strm->next_out = bp->gunzip_buf;
5599 bp->strm->avail_out = FW_BUF_SIZE;
5600
5601 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
5602 if (rc != Z_OK)
5603 return rc;
5604
5605 rc = zlib_inflate(bp->strm, Z_FINISH);
5606 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00005607 netdev_err(bp->dev, "Firmware decompression error: %s\n",
5608 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005609
5610 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
5611 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005612 netdev_err(bp->dev, "Firmware decompression error:"
5613 " gunzip_outlen (%d) not aligned\n",
5614 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005615 bp->gunzip_outlen >>= 2;
5616
5617 zlib_inflateEnd(bp->strm);
5618
5619 if (rc == Z_STREAM_END)
5620 return 0;
5621
5622 return rc;
5623}
5624
5625/* nic load/unload */
5626
5627/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005628 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005629 */
5630
5631/* send a NIG loopback debug packet */
5632static void bnx2x_lb_pckt(struct bnx2x *bp)
5633{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005634 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005635
5636 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005637 wb_write[0] = 0x55555555;
5638 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005639 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005640 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005641
5642 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005643 wb_write[0] = 0x09000000;
5644 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005645 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005646 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005647}
5648
5649/* some of the internal memories
5650 * are not directly readable from the driver
5651 * to test them we send debug packets
5652 */
5653static int bnx2x_int_mem_test(struct bnx2x *bp)
5654{
5655 int factor;
5656 int count, i;
5657 u32 val = 0;
5658
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005659 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005660 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005661 else if (CHIP_REV_IS_EMUL(bp))
5662 factor = 200;
5663 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005664 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005665
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005666 /* Disable inputs of parser neighbor blocks */
5667 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5668 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5669 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005670 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005671
5672 /* Write 0 to parser credits for CFC search request */
5673 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5674
5675 /* send Ethernet packet */
5676 bnx2x_lb_pckt(bp);
5677
5678 /* TODO do i reset NIG statistic? */
5679 /* Wait until NIG register shows 1 packet of size 0x10 */
5680 count = 1000 * factor;
5681 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005682
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005683 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5684 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005685 if (val == 0x10)
5686 break;
5687
5688 msleep(10);
5689 count--;
5690 }
5691 if (val != 0x10) {
5692 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5693 return -1;
5694 }
5695
5696 /* Wait until PRS register shows 1 packet */
5697 count = 1000 * factor;
5698 while (count) {
5699 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005700 if (val == 1)
5701 break;
5702
5703 msleep(10);
5704 count--;
5705 }
5706 if (val != 0x1) {
5707 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5708 return -2;
5709 }
5710
5711 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005712 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005713 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005714 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005715 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005716 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5717 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005718
5719 DP(NETIF_MSG_HW, "part2\n");
5720
5721 /* Disable inputs of parser neighbor blocks */
5722 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5723 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5724 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005725 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005726
5727 /* Write 0 to parser credits for CFC search request */
5728 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5729
5730 /* send 10 Ethernet packets */
5731 for (i = 0; i < 10; i++)
5732 bnx2x_lb_pckt(bp);
5733
5734 /* Wait until NIG register shows 10 + 1
5735 packets of size 11*0x10 = 0xb0 */
5736 count = 1000 * factor;
5737 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005738
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005739 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5740 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005741 if (val == 0xb0)
5742 break;
5743
5744 msleep(10);
5745 count--;
5746 }
5747 if (val != 0xb0) {
5748 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5749 return -3;
5750 }
5751
5752 /* Wait until PRS register shows 2 packets */
5753 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5754 if (val != 2)
5755 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5756
5757 /* Write 1 to parser credits for CFC search request */
5758 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5759
5760 /* Wait until PRS register shows 3 packets */
5761 msleep(10 * factor);
5762 /* Wait until NIG register shows 1 packet of size 0x10 */
5763 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5764 if (val != 3)
5765 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5766
5767 /* clear NIG EOP FIFO */
5768 for (i = 0; i < 11; i++)
5769 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5770 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5771 if (val != 1) {
5772 BNX2X_ERR("clear of NIG failed\n");
5773 return -4;
5774 }
5775
5776 /* Reset and init BRB, PRS, NIG */
5777 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5778 msleep(50);
5779 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5780 msleep(50);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005781 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
5782 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00005783#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005784 /* set NIC mode */
5785 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5786#endif
5787
5788 /* Enable inputs of parser neighbor blocks */
5789 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5790 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5791 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005792 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005793
5794 DP(NETIF_MSG_HW, "done\n");
5795
5796 return 0; /* OK */
5797}
5798
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005799static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005800{
5801 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005802 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005803 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
5804 else
5805 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005806 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5807 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005808 /*
5809 * mask read length error interrupts in brb for parser
5810 * (parsing unit and 'checksum and crc' unit)
5811 * these errors are legal (PU reads fixed length and CAC can cause
5812 * read length error on truncated packets)
5813 */
5814 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005815 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5816 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5817 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5818 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5819 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005820/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5821/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005822 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5823 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5824 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005825/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5826/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005827 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5828 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5829 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5830 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005831/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5832/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005833
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005834 if (CHIP_REV_IS_FPGA(bp))
5835 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005836 else if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005837 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
5838 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
5839 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
5840 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
5841 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
5842 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005843 else
5844 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005845 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5846 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5847 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005848/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005849
5850 if (!CHIP_IS_E1x(bp))
5851 /* enable VFC attentions: bits 11 and 12, bits 31:13 reserved */
5852 REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0x07ff);
5853
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005854 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5855 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005856/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005857 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005858}
5859
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005860static void bnx2x_reset_common(struct bnx2x *bp)
5861{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005862 u32 val = 0x1400;
5863
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005864 /* reset_common */
5865 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5866 0xd3ffff7f);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03005867
5868 if (CHIP_IS_E3(bp)) {
5869 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
5870 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
5871 }
5872
5873 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, val);
5874}
5875
5876static void bnx2x_setup_dmae(struct bnx2x *bp)
5877{
5878 bp->dmae_ready = 0;
5879 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005880}
5881
Eilon Greenstein573f2032009-08-12 08:24:14 +00005882static void bnx2x_init_pxp(struct bnx2x *bp)
5883{
5884 u16 devctl;
5885 int r_order, w_order;
5886
5887 pci_read_config_word(bp->pdev,
Vladislav Zolotarovb6c2f862011-07-24 03:58:38 +00005888 pci_pcie_cap(bp->pdev) + PCI_EXP_DEVCTL, &devctl);
Eilon Greenstein573f2032009-08-12 08:24:14 +00005889 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
5890 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
5891 if (bp->mrrs == -1)
5892 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
5893 else {
5894 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
5895 r_order = bp->mrrs;
5896 }
5897
5898 bnx2x_init_pxp_arb(bp, r_order, w_order);
5899}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005900
5901static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
5902{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005903 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005904 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005905 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005906
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00005907 if (BP_NOMCP(bp))
5908 return;
5909
5910 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005911 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
5912 SHARED_HW_CFG_FAN_FAILURE_MASK;
5913
5914 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
5915 is_required = 1;
5916
5917 /*
5918 * The fan failure mechanism is usually related to the PHY type since
5919 * the power consumption of the board is affected by the PHY. Currently,
5920 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
5921 */
5922 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
5923 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005924 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005925 bnx2x_fan_failure_det_req(
5926 bp,
5927 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005928 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005929 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005930 }
5931
5932 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
5933
5934 if (is_required == 0)
5935 return;
5936
5937 /* Fan failure is indicated by SPIO 5 */
5938 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5939 MISC_REGISTERS_SPIO_INPUT_HI_Z);
5940
5941 /* set to active low mode */
5942 val = REG_RD(bp, MISC_REG_SPIO_INT);
5943 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005944 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005945 REG_WR(bp, MISC_REG_SPIO_INT, val);
5946
5947 /* enable interrupt to signal the IGU */
5948 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5949 val |= (1 << MISC_REGISTERS_SPIO_5);
5950 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5951}
5952
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005953static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
5954{
5955 u32 offset = 0;
5956
5957 if (CHIP_IS_E1(bp))
5958 return;
5959 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
5960 return;
5961
5962 switch (BP_ABS_FUNC(bp)) {
5963 case 0:
5964 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
5965 break;
5966 case 1:
5967 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
5968 break;
5969 case 2:
5970 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
5971 break;
5972 case 3:
5973 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
5974 break;
5975 case 4:
5976 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
5977 break;
5978 case 5:
5979 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
5980 break;
5981 case 6:
5982 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
5983 break;
5984 case 7:
5985 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
5986 break;
5987 default:
5988 return;
5989 }
5990
5991 REG_WR(bp, offset, pretend_func_num);
5992 REG_RD(bp, offset);
5993 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
5994}
5995
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00005996void bnx2x_pf_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005997{
5998 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
5999 val &= ~IGU_PF_CONF_FUNC_EN;
6000
6001 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
6002 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6003 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
6004}
6005
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006006static inline void bnx2x__common_init_phy(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006007{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006008 u32 shmem_base[2], shmem2_base[2];
6009 shmem_base[0] = bp->common.shmem_base;
6010 shmem2_base[0] = bp->common.shmem2_base;
6011 if (!CHIP_IS_E1x(bp)) {
6012 shmem_base[1] =
6013 SHMEM2_RD(bp, other_shmem_base_addr);
6014 shmem2_base[1] =
6015 SHMEM2_RD(bp, other_shmem2_base_addr);
6016 }
6017 bnx2x_acquire_phy_lock(bp);
6018 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
6019 bp->common.chip_id);
6020 bnx2x_release_phy_lock(bp);
6021}
6022
6023/**
6024 * bnx2x_init_hw_common - initialize the HW at the COMMON phase.
6025 *
6026 * @bp: driver handle
6027 */
6028static int bnx2x_init_hw_common(struct bnx2x *bp)
6029{
6030 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006031
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006032 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006033
David S. Miller823dcd22011-08-20 10:39:12 -07006034 /*
6035 * take the UNDI lock to protect undi_unload flow from accessing
6036 * registers while we're resetting the chip
6037 */
David S. Miller8decf862011-09-22 03:23:13 -04006038 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006039
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00006040 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006041 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006042
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006043 val = 0xfffc;
6044 if (CHIP_IS_E3(bp)) {
6045 val |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
6046 val |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
6047 }
6048 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006049
David S. Miller8decf862011-09-22 03:23:13 -04006050 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller823dcd22011-08-20 10:39:12 -07006051
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006052 bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON);
6053
6054 if (!CHIP_IS_E1x(bp)) {
6055 u8 abs_func_id;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006056
6057 /**
6058 * 4-port mode or 2-port mode we need to turn of master-enable
6059 * for everyone, after that, turn it back on for self.
6060 * so, we disregard multi-function or not, and always disable
6061 * for all functions on the given path, this means 0,2,4,6 for
6062 * path 0 and 1,3,5,7 for path 1
6063 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006064 for (abs_func_id = BP_PATH(bp);
6065 abs_func_id < E2_FUNC_MAX*2; abs_func_id += 2) {
6066 if (abs_func_id == BP_ABS_FUNC(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006067 REG_WR(bp,
6068 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
6069 1);
6070 continue;
6071 }
6072
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006073 bnx2x_pretend_func(bp, abs_func_id);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006074 /* clear pf enable */
6075 bnx2x_pf_disable(bp);
6076 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6077 }
6078 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006079
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006080 bnx2x_init_block(bp, BLOCK_PXP, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006081 if (CHIP_IS_E1(bp)) {
6082 /* enable HW interrupt from PXP on USDM overflow
6083 bit 16 on INT_MASK_0 */
6084 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006085 }
6086
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006087 bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006088 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006089
6090#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006091 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
6092 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
6093 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
6094 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
6095 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00006096 /* make sure this value is 0 */
6097 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006098
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006099/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
6100 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
6101 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
6102 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
6103 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006104#endif
6105
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006106 bnx2x_ilt_init_page_size(bp, INITOP_SET);
6107
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006108 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
6109 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006110
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006111 /* let the HW do it's magic ... */
6112 msleep(100);
6113 /* finish PXP init */
6114 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
6115 if (val != 1) {
6116 BNX2X_ERR("PXP2 CFG failed\n");
6117 return -EBUSY;
6118 }
6119 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
6120 if (val != 1) {
6121 BNX2X_ERR("PXP2 RD_INIT failed\n");
6122 return -EBUSY;
6123 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006124
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006125 /* Timers bug workaround E2 only. We need to set the entire ILT to
6126 * have entries with value "0" and valid bit on.
6127 * This needs to be done by the first PF that is loaded in a path
6128 * (i.e. common phase)
6129 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006130 if (!CHIP_IS_E1x(bp)) {
6131/* In E2 there is a bug in the timers block that can cause function 6 / 7
6132 * (i.e. vnic3) to start even if it is marked as "scan-off".
6133 * This occurs when a different function (func2,3) is being marked
6134 * as "scan-off". Real-life scenario for example: if a driver is being
6135 * load-unloaded while func6,7 are down. This will cause the timer to access
6136 * the ilt, translate to a logical address and send a request to read/write.
6137 * Since the ilt for the function that is down is not valid, this will cause
6138 * a translation error which is unrecoverable.
6139 * The Workaround is intended to make sure that when this happens nothing fatal
6140 * will occur. The workaround:
6141 * 1. First PF driver which loads on a path will:
6142 * a. After taking the chip out of reset, by using pretend,
6143 * it will write "0" to the following registers of
6144 * the other vnics.
6145 * REG_WR(pdev, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
6146 * REG_WR(pdev, CFC_REG_WEAK_ENABLE_PF,0);
6147 * REG_WR(pdev, CFC_REG_STRONG_ENABLE_PF,0);
6148 * And for itself it will write '1' to
6149 * PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER to enable
6150 * dmae-operations (writing to pram for example.)
6151 * note: can be done for only function 6,7 but cleaner this
6152 * way.
6153 * b. Write zero+valid to the entire ILT.
6154 * c. Init the first_timers_ilt_entry, last_timers_ilt_entry of
6155 * VNIC3 (of that port). The range allocated will be the
6156 * entire ILT. This is needed to prevent ILT range error.
6157 * 2. Any PF driver load flow:
6158 * a. ILT update with the physical addresses of the allocated
6159 * logical pages.
6160 * b. Wait 20msec. - note that this timeout is needed to make
6161 * sure there are no requests in one of the PXP internal
6162 * queues with "old" ILT addresses.
6163 * c. PF enable in the PGLC.
6164 * d. Clear the was_error of the PF in the PGLC. (could have
6165 * occured while driver was down)
6166 * e. PF enable in the CFC (WEAK + STRONG)
6167 * f. Timers scan enable
6168 * 3. PF driver unload flow:
6169 * a. Clear the Timers scan_en.
6170 * b. Polling for scan_on=0 for that PF.
6171 * c. Clear the PF enable bit in the PXP.
6172 * d. Clear the PF enable in the CFC (WEAK + STRONG)
6173 * e. Write zero+valid to all ILT entries (The valid bit must
6174 * stay set)
6175 * f. If this is VNIC 3 of a port then also init
6176 * first_timers_ilt_entry to zero and last_timers_ilt_entry
6177 * to the last enrty in the ILT.
6178 *
6179 * Notes:
6180 * Currently the PF error in the PGLC is non recoverable.
6181 * In the future the there will be a recovery routine for this error.
6182 * Currently attention is masked.
6183 * Having an MCP lock on the load/unload process does not guarantee that
6184 * there is no Timer disable during Func6/7 enable. This is because the
6185 * Timers scan is currently being cleared by the MCP on FLR.
6186 * Step 2.d can be done only for PF6/7 and the driver can also check if
6187 * there is error before clearing it. But the flow above is simpler and
6188 * more general.
6189 * All ILT entries are written by zero+valid and not just PF6/7
6190 * ILT entries since in the future the ILT entries allocation for
6191 * PF-s might be dynamic.
6192 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006193 struct ilt_client_info ilt_cli;
6194 struct bnx2x_ilt ilt;
6195 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6196 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
6197
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04006198 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006199 ilt_cli.start = 0;
6200 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6201 ilt_cli.client_num = ILT_CLIENT_TM;
6202
6203 /* Step 1: set zeroes to all ilt page entries with valid bit on
6204 * Step 2: set the timers first/last ilt entry to point
6205 * to the entire range to prevent ILT range error for 3rd/4th
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006206 * vnic (this code assumes existance of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006207 *
6208 * both steps performed by call to bnx2x_ilt_client_init_op()
6209 * with dummy TM client
6210 *
6211 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
6212 * and his brother are split registers
6213 */
6214 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
6215 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
6216 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
6217
6218 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
6219 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
6220 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
6221 }
6222
6223
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006224 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
6225 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006226
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006227 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006228 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
6229 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006230 bnx2x_init_block(bp, BLOCK_PGLUE_B, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006231
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006232 bnx2x_init_block(bp, BLOCK_ATC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006233
6234 /* let the HW do it's magic ... */
6235 do {
6236 msleep(200);
6237 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
6238 } while (factor-- && (val != 1));
6239
6240 if (val != 1) {
6241 BNX2X_ERR("ATC_INIT failed\n");
6242 return -EBUSY;
6243 }
6244 }
6245
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006246 bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006247
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006248 /* clean the DMAE memory */
6249 bp->dmae_ready = 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006250 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006251
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006252 bnx2x_init_block(bp, BLOCK_TCM, PHASE_COMMON);
6253
6254 bnx2x_init_block(bp, BLOCK_UCM, PHASE_COMMON);
6255
6256 bnx2x_init_block(bp, BLOCK_CCM, PHASE_COMMON);
6257
6258 bnx2x_init_block(bp, BLOCK_XCM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006259
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006260 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
6261 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
6262 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
6263 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
6264
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006265 bnx2x_init_block(bp, BLOCK_QM, PHASE_COMMON);
Michael Chan37b091b2009-10-10 13:46:55 +00006266
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006267
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006268 /* QM queues pointers table */
6269 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00006270
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006271 /* soft reset pulse */
6272 REG_WR(bp, QM_REG_SOFT_RESET, 1);
6273 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006274
Michael Chan37b091b2009-10-10 13:46:55 +00006275#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006276 bnx2x_init_block(bp, BLOCK_TM, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006277#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006278
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006279 bnx2x_init_block(bp, BLOCK_DORQ, PHASE_COMMON);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006280 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006281 if (!CHIP_REV_IS_SLOW(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006282 /* enable hw interrupt from doorbell Q */
6283 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006284
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006285 bnx2x_init_block(bp, BLOCK_BRB1, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006286
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006287 bnx2x_init_block(bp, BLOCK_PRS, PHASE_COMMON);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08006288 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006289
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006290 if (!CHIP_IS_E1(bp))
6291 REG_WR(bp, PRS_REG_E1HOV_MODE, bp->path_has_ovlan);
6292
6293 if (!CHIP_IS_E1x(bp) && !CHIP_IS_E3B0(bp))
6294 /* Bit-map indicating which L2 hdrs may appear
6295 * after the basic Ethernet header
6296 */
6297 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC,
6298 bp->path_has_ovlan ? 7 : 6);
6299
6300 bnx2x_init_block(bp, BLOCK_TSDM, PHASE_COMMON);
6301 bnx2x_init_block(bp, BLOCK_CSDM, PHASE_COMMON);
6302 bnx2x_init_block(bp, BLOCK_USDM, PHASE_COMMON);
6303 bnx2x_init_block(bp, BLOCK_XSDM, PHASE_COMMON);
6304
6305 if (!CHIP_IS_E1x(bp)) {
6306 /* reset VFC memories */
6307 REG_WR(bp, TSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6308 VFC_MEMORIES_RST_REG_CAM_RST |
6309 VFC_MEMORIES_RST_REG_RAM_RST);
6310 REG_WR(bp, XSEM_REG_FAST_MEMORY + VFC_REG_MEMORIES_RST,
6311 VFC_MEMORIES_RST_REG_CAM_RST |
6312 VFC_MEMORIES_RST_REG_RAM_RST);
6313
6314 msleep(20);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006315 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006316
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006317 bnx2x_init_block(bp, BLOCK_TSEM, PHASE_COMMON);
6318 bnx2x_init_block(bp, BLOCK_USEM, PHASE_COMMON);
6319 bnx2x_init_block(bp, BLOCK_CSEM, PHASE_COMMON);
6320 bnx2x_init_block(bp, BLOCK_XSEM, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006321
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006322 /* sync semi rtc */
6323 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6324 0x80000000);
6325 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6326 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006327
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006328 bnx2x_init_block(bp, BLOCK_UPB, PHASE_COMMON);
6329 bnx2x_init_block(bp, BLOCK_XPB, PHASE_COMMON);
6330 bnx2x_init_block(bp, BLOCK_PBF, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006331
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006332 if (!CHIP_IS_E1x(bp))
6333 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC,
6334 bp->path_has_ovlan ? 7 : 6);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006335
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006336 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006337
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006338 bnx2x_init_block(bp, BLOCK_SRC, PHASE_COMMON);
6339
Michael Chan37b091b2009-10-10 13:46:55 +00006340#ifdef BCM_CNIC
6341 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
6342 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
6343 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
6344 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
6345 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
6346 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
6347 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
6348 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
6349 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
6350 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
6351#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006352 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006353
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006354 if (sizeof(union cdu_context) != 1024)
6355 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006356 dev_alert(&bp->pdev->dev, "please adjust the size "
6357 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00006358 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006359
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006360 bnx2x_init_block(bp, BLOCK_CDU, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006361 val = (4 << 24) + (0 << 12) + 1024;
6362 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006363
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006364 bnx2x_init_block(bp, BLOCK_CFC, PHASE_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006365 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006366 /* enable context validation interrupt from CFC */
6367 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
6368
6369 /* set the thresholds to prevent CFC/CDU race */
6370 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006371
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006372 bnx2x_init_block(bp, BLOCK_HC, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006373
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006374 if (!CHIP_IS_E1x(bp) && BP_NOMCP(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006375 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
6376
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006377 bnx2x_init_block(bp, BLOCK_IGU, PHASE_COMMON);
6378 bnx2x_init_block(bp, BLOCK_MISC_AEU, PHASE_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006379
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006380 /* Reset PCIE errors for debug */
6381 REG_WR(bp, 0x2814, 0xffffffff);
6382 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006383
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006384 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006385 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
6386 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
6387 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
6388 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
6389 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
6390 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
6391 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
6392 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
6393 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
6394 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
6395 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
6396 }
6397
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006398 bnx2x_init_block(bp, BLOCK_NIG, PHASE_COMMON);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006399 if (!CHIP_IS_E1(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006400 /* in E3 this done in per-port section */
6401 if (!CHIP_IS_E3(bp))
6402 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
6403 }
6404 if (CHIP_IS_E1H(bp))
6405 /* not applicable for E2 (and above ...) */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006406 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006407
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006408 if (CHIP_REV_IS_SLOW(bp))
6409 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006410
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006411 /* finish CFC init */
6412 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
6413 if (val != 1) {
6414 BNX2X_ERR("CFC LL_INIT failed\n");
6415 return -EBUSY;
6416 }
6417 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
6418 if (val != 1) {
6419 BNX2X_ERR("CFC AC_INIT failed\n");
6420 return -EBUSY;
6421 }
6422 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
6423 if (val != 1) {
6424 BNX2X_ERR("CFC CAM_INIT failed\n");
6425 return -EBUSY;
6426 }
6427 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006428
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006429 if (CHIP_IS_E1(bp)) {
6430 /* read NIG statistic
6431 to see if this is our first up since powerup */
6432 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
6433 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006434
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006435 /* do internal memory self test */
6436 if ((val == 0) && bnx2x_int_mem_test(bp)) {
6437 BNX2X_ERR("internal mem self test failed\n");
6438 return -EBUSY;
6439 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006440 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006441
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00006442 bnx2x_setup_fan_failure_detection(bp);
6443
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006444 /* clear PXP2 attentions */
6445 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006446
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00006447 bnx2x_enable_blocks_attention(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00006448 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006449
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006450 if (!BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006451 if (CHIP_IS_E1x(bp))
6452 bnx2x__common_init_phy(bp);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006453 } else
6454 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
6455
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006456 return 0;
6457}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006458
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006459/**
6460 * bnx2x_init_hw_common_chip - init HW at the COMMON_CHIP phase.
6461 *
6462 * @bp: driver handle
6463 */
6464static int bnx2x_init_hw_common_chip(struct bnx2x *bp)
6465{
6466 int rc = bnx2x_init_hw_common(bp);
6467
6468 if (rc)
6469 return rc;
6470
6471 /* In E2 2-PORT mode, same ext phy is used for the two paths */
6472 if (!BP_NOMCP(bp))
6473 bnx2x__common_init_phy(bp);
6474
6475 return 0;
6476}
6477
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006478static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006479{
6480 int port = BP_PORT(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006481 int init_phase = port ? PHASE_PORT1 : PHASE_PORT0;
Eilon Greenstein1c063282009-02-12 08:36:43 +00006482 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006483 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006484
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006485 bnx2x__link_reset(bp);
6486
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006487 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006488
6489 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006490
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006491 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6492 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6493 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
Eilon Greensteinca003922009-08-12 22:53:28 -07006494
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006495 /* Timers bug workaround: disables the pf_master bit in pglue at
6496 * common phase, we need to enable it here before any dmae access are
6497 * attempted. Therefore we manually added the enable-master to the
6498 * port phase (it also happens in the function phase)
6499 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006500 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006501 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6502
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006503 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6504 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6505 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
6506 bnx2x_init_block(bp, BLOCK_QM, init_phase);
6507
6508 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6509 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6510 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6511 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006512
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006513 /* QM cid (connection) count */
6514 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006515
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006516#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006517 bnx2x_init_block(bp, BLOCK_TM, init_phase);
Michael Chan37b091b2009-10-10 13:46:55 +00006518 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
6519 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006520#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006521
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006522 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
Eilon Greenstein1c063282009-02-12 08:36:43 +00006523
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006524 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006525 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6526
6527 if (IS_MF(bp))
6528 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
6529 else if (bp->dev->mtu > 4096) {
6530 if (bp->flags & ONE_PORT_FLAG)
6531 low = 160;
6532 else {
6533 val = bp->dev->mtu;
6534 /* (24*1024 + val*4)/256 */
6535 low = 96 + (val/64) +
6536 ((val % 64) ? 1 : 0);
6537 }
6538 } else
6539 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
6540 high = low + 56; /* 14*1024/256 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006541 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
6542 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
6543 }
6544
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006545 if (CHIP_MODE_IS_4_PORT(bp))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006546 REG_WR(bp, (BP_PORT(bp) ?
6547 BRB1_REG_MAC_GUARANTIED_1 :
6548 BRB1_REG_MAC_GUARANTIED_0), 40);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006549
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006550
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006551 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
6552 if (CHIP_IS_E3B0(bp))
6553 /* Ovlan exists only if we are in multi-function +
6554 * switch-dependent mode, in switch-independent there
6555 * is no ovlan headers
6556 */
6557 REG_WR(bp, BP_PORT(bp) ?
6558 PRS_REG_HDRS_AFTER_BASIC_PORT_1 :
6559 PRS_REG_HDRS_AFTER_BASIC_PORT_0,
6560 (bp->path_has_ovlan ? 7 : 6));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006561
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006562 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6563 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6564 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6565 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6566
6567 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6568 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6569 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6570 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
6571
6572 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6573 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6574
6575 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6576
6577 if (CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006578 /* configure PBF to work without PAUSE mtu 9000 */
6579 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006580
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006581 /* update threshold */
6582 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
6583 /* update init credit */
6584 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006585
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006586 /* probe changes */
6587 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
6588 udelay(50);
6589 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
6590 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006591
Michael Chan37b091b2009-10-10 13:46:55 +00006592#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006593 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006594#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006595 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
6596 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006597
6598 if (CHIP_IS_E1(bp)) {
6599 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6600 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6601 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006602 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006603
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006604 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006605
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006606 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006607 /* init aeu_mask_attn_func_0/1:
6608 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
6609 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
6610 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00006611 val = IS_MF(bp) ? 0xF7 : 0x7;
6612 /* Enable DCBX attention for all but E1 */
6613 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
6614 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006615
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006616 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
Eilon Greenstein356e2382009-02-12 08:38:32 +00006617
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006618 if (!CHIP_IS_E1x(bp)) {
6619 /* Bit-map indicating which L2 hdrs may appear after the
6620 * basic Ethernet header
6621 */
6622 REG_WR(bp, BP_PORT(bp) ?
6623 NIG_REG_P1_HDRS_AFTER_BASIC :
6624 NIG_REG_P0_HDRS_AFTER_BASIC,
6625 IS_MF_SD(bp) ? 7 : 6);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006626
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006627 if (CHIP_IS_E3(bp))
6628 REG_WR(bp, BP_PORT(bp) ?
6629 NIG_REG_LLH1_MF_MODE :
6630 NIG_REG_LLH_MF_MODE, IS_MF(bp));
6631 }
6632 if (!CHIP_IS_E3(bp))
6633 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006634
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006635 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006636 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006637 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006638 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006639
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006640 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006641 val = 0;
6642 switch (bp->mf_mode) {
6643 case MULTI_FUNCTION_SD:
6644 val = 1;
6645 break;
6646 case MULTI_FUNCTION_SI:
6647 val = 2;
6648 break;
6649 }
6650
6651 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
6652 NIG_REG_LLH0_CLS_TYPE), val);
6653 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00006654 {
6655 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
6656 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
6657 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
6658 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006659 }
6660
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006661
6662 /* If SPIO5 is set to generate interrupts, enable it for this port */
6663 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
6664 if (val & (1 << MISC_REGISTERS_SPIO_5)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006665 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
6666 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
6667 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006668 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006669 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006670 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006671
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006672 return 0;
6673}
6674
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006675static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
6676{
6677 int reg;
6678
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006679 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006680 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006681 else
6682 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006683
6684 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
6685}
6686
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006687static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
6688{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006689 bnx2x_igu_clear_sb_gen(bp, BP_FUNC(bp), idu_sb_id, true /*PF*/);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006690}
6691
6692static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
6693{
6694 u32 i, base = FUNC_ILT_BASE(func);
6695 for (i = base; i < base + ILT_PER_FUNC; i++)
6696 bnx2x_ilt_wr(bp, i, 0);
6697}
6698
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006699static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006700{
6701 int port = BP_PORT(bp);
6702 int func = BP_FUNC(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006703 int init_phase = PHASE_PF0 + func;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006704 struct bnx2x_ilt *ilt = BP_ILT(bp);
6705 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00006706 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00006707 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
Ariel Elior89db4ad2012-01-26 06:01:48 +00006708 int i, main_mem_width, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006709
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00006710 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006711
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006712 /* FLR cleanup - hmmm */
Ariel Elior89db4ad2012-01-26 06:01:48 +00006713 if (!CHIP_IS_E1x(bp)) {
6714 rc = bnx2x_pf_flr_clnup(bp);
6715 if (rc)
6716 return rc;
6717 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006718
Eilon Greenstein8badd272009-02-12 08:36:15 +00006719 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006720 if (bp->common.int_block == INT_BLOCK_HC) {
6721 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
6722 val = REG_RD(bp, addr);
6723 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
6724 REG_WR(bp, addr, val);
6725 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00006726
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006727 bnx2x_init_block(bp, BLOCK_PXP, init_phase);
6728 bnx2x_init_block(bp, BLOCK_PXP2, init_phase);
6729
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006730 ilt = BP_ILT(bp);
6731 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006732
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006733 for (i = 0; i < L2_ILT_LINES(bp); i++) {
6734 ilt->lines[cdu_ilt_start + i].page =
6735 bp->context.vcxt + (ILT_PAGE_CIDS * i);
6736 ilt->lines[cdu_ilt_start + i].page_mapping =
6737 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
6738 /* cdu ilt pages are allocated manually so there's no need to
6739 set the size */
6740 }
6741 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006742
Michael Chan37b091b2009-10-10 13:46:55 +00006743#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006744 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00006745
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006746 /* T1 hash bits value determines the T1 number of entries */
6747 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00006748#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006749
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006750#ifndef BCM_CNIC
6751 /* set NIC mode */
6752 REG_WR(bp, PRS_REG_NIC_MODE, 1);
6753#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006754
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006755 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006756 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
6757
6758 /* Turn on a single ISR mode in IGU if driver is going to use
6759 * INT#x or MSI
6760 */
6761 if (!(bp->flags & USING_MSIX_FLAG))
6762 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
6763 /*
6764 * Timers workaround bug: function init part.
6765 * Need to wait 20msec after initializing ILT,
6766 * needed to make sure there are no requests in
6767 * one of the PXP internal queues with "old" ILT addresses
6768 */
6769 msleep(20);
6770 /*
6771 * Master enable - Due to WB DMAE writes performed before this
6772 * register is re-initialized as part of the regular function
6773 * init
6774 */
6775 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
6776 /* Enable the function in IGU */
6777 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
6778 }
6779
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006780 bp->dmae_ready = 1;
6781
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006782 bnx2x_init_block(bp, BLOCK_PGLUE_B, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006783
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006784 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006785 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
6786
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006787 bnx2x_init_block(bp, BLOCK_ATC, init_phase);
6788 bnx2x_init_block(bp, BLOCK_DMAE, init_phase);
6789 bnx2x_init_block(bp, BLOCK_NIG, init_phase);
6790 bnx2x_init_block(bp, BLOCK_SRC, init_phase);
6791 bnx2x_init_block(bp, BLOCK_MISC, init_phase);
6792 bnx2x_init_block(bp, BLOCK_TCM, init_phase);
6793 bnx2x_init_block(bp, BLOCK_UCM, init_phase);
6794 bnx2x_init_block(bp, BLOCK_CCM, init_phase);
6795 bnx2x_init_block(bp, BLOCK_XCM, init_phase);
6796 bnx2x_init_block(bp, BLOCK_TSEM, init_phase);
6797 bnx2x_init_block(bp, BLOCK_USEM, init_phase);
6798 bnx2x_init_block(bp, BLOCK_CSEM, init_phase);
6799 bnx2x_init_block(bp, BLOCK_XSEM, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006800
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006801 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006802 REG_WR(bp, QM_REG_PF_EN, 1);
6803
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006804 if (!CHIP_IS_E1x(bp)) {
6805 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6806 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6807 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6808 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, BNX2X_MAX_NUM_OF_VFS + func);
6809 }
6810 bnx2x_init_block(bp, BLOCK_QM, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006811
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006812 bnx2x_init_block(bp, BLOCK_TM, init_phase);
6813 bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
6814 bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
6815 bnx2x_init_block(bp, BLOCK_PRS, init_phase);
6816 bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
6817 bnx2x_init_block(bp, BLOCK_CSDM, init_phase);
6818 bnx2x_init_block(bp, BLOCK_USDM, init_phase);
6819 bnx2x_init_block(bp, BLOCK_XSDM, init_phase);
6820 bnx2x_init_block(bp, BLOCK_UPB, init_phase);
6821 bnx2x_init_block(bp, BLOCK_XPB, init_phase);
6822 bnx2x_init_block(bp, BLOCK_PBF, init_phase);
6823 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006824 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
6825
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006826 bnx2x_init_block(bp, BLOCK_CDU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006827
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006828 bnx2x_init_block(bp, BLOCK_CFC, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006829
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006830 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006831 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
6832
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006833 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006834 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00006835 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006836 }
6837
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006838 bnx2x_init_block(bp, BLOCK_MISC_AEU, init_phase);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006839
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006840 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006841 if (bp->common.int_block == INT_BLOCK_HC) {
6842 if (CHIP_IS_E1H(bp)) {
6843 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
6844
6845 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6846 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6847 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006848 bnx2x_init_block(bp, BLOCK_HC, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006849
6850 } else {
6851 int num_segs, sb_idx, prod_offset;
6852
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006853 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
6854
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006855 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006856 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6857 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6858 }
6859
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006860 bnx2x_init_block(bp, BLOCK_IGU, init_phase);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006861
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006862 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006863 int dsb_idx = 0;
6864 /**
6865 * Producer memory:
6866 * E2 mode: address 0-135 match to the mapping memory;
6867 * 136 - PF0 default prod; 137 - PF1 default prod;
6868 * 138 - PF2 default prod; 139 - PF3 default prod;
6869 * 140 - PF0 attn prod; 141 - PF1 attn prod;
6870 * 142 - PF2 attn prod; 143 - PF3 attn prod;
6871 * 144-147 reserved.
6872 *
6873 * E1.5 mode - In backward compatible mode;
6874 * for non default SB; each even line in the memory
6875 * holds the U producer and each odd line hold
6876 * the C producer. The first 128 producers are for
6877 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
6878 * producers are for the DSB for each PF.
6879 * Each PF has five segments: (the order inside each
6880 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
6881 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
6882 * 144-147 attn prods;
6883 */
6884 /* non-default-status-blocks */
6885 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
6886 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
6887 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
6888 prod_offset = (bp->igu_base_sb + sb_idx) *
6889 num_segs;
6890
6891 for (i = 0; i < num_segs; i++) {
6892 addr = IGU_REG_PROD_CONS_MEMORY +
6893 (prod_offset + i) * 4;
6894 REG_WR(bp, addr, 0);
6895 }
6896 /* send consumer update with value 0 */
6897 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
6898 USTORM_ID, 0, IGU_INT_NOP, 1);
6899 bnx2x_igu_clear_sb(bp,
6900 bp->igu_base_sb + sb_idx);
6901 }
6902
6903 /* default-status-blocks */
6904 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
6905 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
6906
6907 if (CHIP_MODE_IS_4_PORT(bp))
6908 dsb_idx = BP_FUNC(bp);
6909 else
David S. Miller8decf862011-09-22 03:23:13 -04006910 dsb_idx = BP_VN(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006911
6912 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
6913 IGU_BC_BASE_DSB_PROD + dsb_idx :
6914 IGU_NORM_BASE_DSB_PROD + dsb_idx);
6915
David S. Miller8decf862011-09-22 03:23:13 -04006916 /*
6917 * igu prods come in chunks of E1HVN_MAX (4) -
6918 * does not matters what is the current chip mode
6919 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006920 for (i = 0; i < (num_segs * E1HVN_MAX);
6921 i += E1HVN_MAX) {
6922 addr = IGU_REG_PROD_CONS_MEMORY +
6923 (prod_offset + i)*4;
6924 REG_WR(bp, addr, 0);
6925 }
6926 /* send consumer update with 0 */
6927 if (CHIP_INT_MODE_IS_BC(bp)) {
6928 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6929 USTORM_ID, 0, IGU_INT_NOP, 1);
6930 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6931 CSTORM_ID, 0, IGU_INT_NOP, 1);
6932 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6933 XSTORM_ID, 0, IGU_INT_NOP, 1);
6934 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6935 TSTORM_ID, 0, IGU_INT_NOP, 1);
6936 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6937 ATTENTION_ID, 0, IGU_INT_NOP, 1);
6938 } else {
6939 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6940 USTORM_ID, 0, IGU_INT_NOP, 1);
6941 bnx2x_ack_sb(bp, bp->igu_dsb_id,
6942 ATTENTION_ID, 0, IGU_INT_NOP, 1);
6943 }
6944 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
6945
6946 /* !!! these should become driver const once
6947 rf-tool supports split-68 const */
6948 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
6949 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
6950 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
6951 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
6952 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
6953 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
6954 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006955 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006956
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006957 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006958 REG_WR(bp, 0x2114, 0xffffffff);
6959 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006960
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00006961 if (CHIP_IS_E1x(bp)) {
6962 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
6963 main_mem_base = HC_REG_MAIN_MEMORY +
6964 BP_PORT(bp) * (main_mem_size * 4);
6965 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
6966 main_mem_width = 8;
6967
6968 val = REG_RD(bp, main_mem_prty_clr);
6969 if (val)
6970 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
6971 "block during "
6972 "function init (0x%x)!\n", val);
6973
6974 /* Clear "false" parity errors in MSI-X table */
6975 for (i = main_mem_base;
6976 i < main_mem_base + main_mem_size * 4;
6977 i += main_mem_width) {
6978 bnx2x_read_dmae(bp, i, main_mem_width / 4);
6979 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
6980 i, main_mem_width / 4);
6981 }
6982 /* Clear HC parity attention */
6983 REG_RD(bp, main_mem_prty_clr);
6984 }
6985
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03006986#ifdef BNX2X_STOP_ON_ERROR
6987 /* Enable STORMs SP logging */
6988 REG_WR8(bp, BAR_USTRORM_INTMEM +
6989 USTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6990 REG_WR8(bp, BAR_TSTRORM_INTMEM +
6991 TSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6992 REG_WR8(bp, BAR_CSTRORM_INTMEM +
6993 CSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6994 REG_WR8(bp, BAR_XSTRORM_INTMEM +
6995 XSTORM_RECORD_SLOW_PATH_OFFSET(BP_FUNC(bp)), 1);
6996#endif
6997
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006998 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006999
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007000 return 0;
7001}
7002
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007003
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007004void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007005{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007006 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007007 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007008 /* end of fastpath */
7009
7010 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007011 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007012
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007013 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7014 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7015
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007016 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007017 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007018
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007019 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
7020 bp->context.size);
7021
7022 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
7023
7024 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007025
Michael Chan37b091b2009-10-10 13:46:55 +00007026#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007027 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007028 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
7029 sizeof(struct host_hc_status_block_e2));
7030 else
7031 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
7032 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007033
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007034 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007035#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007036
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007037 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007038
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007039 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
7040 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007041}
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007042
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007043static inline int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
7044{
7045 int num_groups;
Barak Witkowski50f0a562011-12-05 21:52:23 +00007046 int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007047
Barak Witkowski50f0a562011-12-05 21:52:23 +00007048 /* number of queues for statistics is number of eth queues + FCoE */
7049 u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007050
7051 /* Total number of FW statistics requests =
Barak Witkowski50f0a562011-12-05 21:52:23 +00007052 * 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
7053 * num of queues
7054 */
7055 bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007056
7057
7058 /* Request is built from stats_query_header and an array of
7059 * stats_query_cmd_group each of which contains
7060 * STATS_QUERY_CMD_COUNT rules. The real number or requests is
7061 * configured in the stats_query_header.
7062 */
Barak Witkowski50f0a562011-12-05 21:52:23 +00007063 num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
7064 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007065
7066 bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
7067 num_groups * sizeof(struct stats_query_cmd_group);
7068
7069 /* Data for statistics requests + stats_conter
7070 *
7071 * stats_counter holds per-STORM counters that are incremented
7072 * when STORM has finished with the current request.
Barak Witkowski50f0a562011-12-05 21:52:23 +00007073 *
7074 * memory for FCoE offloaded statistics are counted anyway,
7075 * even if they will not be sent.
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007076 */
7077 bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
7078 sizeof(struct per_pf_stats) +
Barak Witkowski50f0a562011-12-05 21:52:23 +00007079 sizeof(struct fcoe_statistics_params) +
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007080 sizeof(struct per_queue_stats) * num_queue_stats +
7081 sizeof(struct stats_counter);
7082
7083 BNX2X_PCI_ALLOC(bp->fw_stats, &bp->fw_stats_mapping,
7084 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7085
7086 /* Set shortcuts */
7087 bp->fw_stats_req = (struct bnx2x_fw_stats_req *)bp->fw_stats;
7088 bp->fw_stats_req_mapping = bp->fw_stats_mapping;
7089
7090 bp->fw_stats_data = (struct bnx2x_fw_stats_data *)
7091 ((u8 *)bp->fw_stats + bp->fw_stats_req_sz);
7092
7093 bp->fw_stats_data_mapping = bp->fw_stats_mapping +
7094 bp->fw_stats_req_sz;
7095 return 0;
7096
7097alloc_mem_err:
7098 BNX2X_PCI_FREE(bp->fw_stats, bp->fw_stats_mapping,
7099 bp->fw_stats_data_sz + bp->fw_stats_req_sz);
7100 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007101}
7102
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007103
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007104int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007105{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007106#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007107 if (!CHIP_IS_E1x(bp))
7108 /* size = the status block + ramrod buffers */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007109 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
7110 sizeof(struct host_hc_status_block_e2));
7111 else
7112 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
7113 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007114
7115 /* allocate searcher T2 table */
7116 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
7117#endif
7118
7119
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007120 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007121 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007122
7123 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
7124 sizeof(struct bnx2x_slowpath));
7125
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007126 /* Allocated memory for FW statistics */
7127 if (bnx2x_alloc_fw_stats_mem(bp))
7128 goto alloc_mem_err;
7129
Ariel Elior6383c0b2011-07-14 08:31:57 +00007130 bp->context.size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007131
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007132 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
7133 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007134
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007135 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007136
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007137 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
7138 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007139
7140 /* Slow path ring */
7141 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
7142
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007143 /* EQ */
7144 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
7145 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00007146
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00007147
7148 /* fastpath */
7149 /* need to be done at the end, since it's self adjusting to amount
7150 * of memory available for RSS queues
7151 */
7152 if (bnx2x_alloc_fp_mem(bp))
7153 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007154 return 0;
7155
7156alloc_mem_err:
7157 bnx2x_free_mem(bp);
7158 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007159}
7160
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007161/*
7162 * Init service functions
7163 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007164
7165int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
7166 struct bnx2x_vlan_mac_obj *obj, bool set,
7167 int mac_type, unsigned long *ramrod_flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007168{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007169 int rc;
7170 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007171
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007172 memset(&ramrod_param, 0, sizeof(ramrod_param));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007173
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007174 /* Fill general parameters */
7175 ramrod_param.vlan_mac_obj = obj;
7176 ramrod_param.ramrod_flags = *ramrod_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007177
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007178 /* Fill a user request section if needed */
7179 if (!test_bit(RAMROD_CONT, ramrod_flags)) {
7180 memcpy(ramrod_param.user_req.u.mac.mac, mac, ETH_ALEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007181
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007182 __set_bit(mac_type, &ramrod_param.user_req.vlan_mac_flags);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007183
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007184 /* Set the command: ADD or DEL */
7185 if (set)
7186 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
7187 else
7188 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_DEL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007189 }
7190
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007191 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
7192 if (rc < 0)
7193 BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del"));
7194 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007195}
7196
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007197int bnx2x_del_all_macs(struct bnx2x *bp,
7198 struct bnx2x_vlan_mac_obj *mac_obj,
7199 int mac_type, bool wait_for_comp)
Michael Chane665bfd2009-10-10 13:46:54 +00007200{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007201 int rc;
7202 unsigned long ramrod_flags = 0, vlan_mac_flags = 0;
7203
7204 /* Wait for completion of requested */
7205 if (wait_for_comp)
7206 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7207
7208 /* Set the mac type of addresses we want to clear */
7209 __set_bit(mac_type, &vlan_mac_flags);
7210
7211 rc = mac_obj->delete_all(bp, mac_obj, &vlan_mac_flags, &ramrod_flags);
7212 if (rc < 0)
7213 BNX2X_ERR("Failed to delete MACs: %d\n", rc);
7214
7215 return rc;
Michael Chane665bfd2009-10-10 13:46:54 +00007216}
7217
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007218int bnx2x_set_eth_mac(struct bnx2x *bp, bool set)
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007219{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007220 unsigned long ramrod_flags = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007221
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00007222#ifdef BCM_CNIC
7223 if (is_zero_ether_addr(bp->dev->dev_addr) && IS_MF_ISCSI_SD(bp)) {
7224 DP(NETIF_MSG_IFUP, "Ignoring Zero MAC for iSCSI SD mode\n");
7225 return 0;
7226 }
7227#endif
7228
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007229 DP(NETIF_MSG_IFUP, "Adding Eth MAC\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007230
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007231 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
7232 /* Eth MAC is set on RSS leading client (fp[0]) */
7233 return bnx2x_set_mac_one(bp, bp->dev->dev_addr, &bp->fp->mac_obj, set,
7234 BNX2X_ETH_MAC, &ramrod_flags);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08007235}
7236
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007237int bnx2x_setup_leading(struct bnx2x *bp)
Michael Chane665bfd2009-10-10 13:46:54 +00007238{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007239 return bnx2x_setup_queue(bp, &bp->fp[0], 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007240}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007241
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007242/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007243 * bnx2x_set_int_mode - configure interrupt mode
7244 *
7245 * @bp: driver handle
7246 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007247 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007248 */
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007249static void __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007250{
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007251 switch (int_mode) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007252 case INT_MODE_MSI:
7253 bnx2x_enable_msi(bp);
7254 /* falling through... */
7255 case INT_MODE_INTx:
Ariel Elior6383c0b2011-07-14 08:31:57 +00007256 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007257 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07007258 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07007259 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007260 /* Set number of queues according to bp->multi_mode value */
7261 bnx2x_set_num_queues(bp);
7262
7263 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
7264 bp->num_queues);
7265
7266 /* if we can't use MSI-X we only need one fp,
7267 * so try to enable MSI-X with the requested number of fp's
7268 * and fallback to MSI or legacy INTx with one fp
7269 */
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007270 if (bnx2x_enable_msix(bp)) {
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007271 /* failed to enable MSI-X */
7272 if (bp->multi_mode)
7273 DP(NETIF_MSG_IFUP,
7274 "Multi requested but failed to "
7275 "enable MSI-X (%d), "
7276 "set number of queues to %d\n",
7277 bp->num_queues,
Ariel Elior6383c0b2011-07-14 08:31:57 +00007278 1 + NON_ETH_CONTEXT_USE);
7279 bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007280
Dmitry Kravkov9ee3d372011-06-14 01:33:34 +00007281 /* Try to enable MSI */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007282 if (!(bp->flags & DISABLE_MSI_FLAG))
7283 bnx2x_enable_msi(bp);
7284 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007285 break;
7286 }
Eilon Greensteinca003922009-08-12 22:53:28 -07007287}
7288
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00007289/* must be called prioir to any HW initializations */
7290static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
7291{
7292 return L2_ILT_LINES(bp);
7293}
7294
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007295void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007296{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007297 struct ilt_client_info *ilt_client;
7298 struct bnx2x_ilt *ilt = BP_ILT(bp);
7299 u16 line = 0;
7300
7301 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
7302 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
7303
7304 /* CDU */
7305 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
7306 ilt_client->client_num = ILT_CLIENT_CDU;
7307 ilt_client->page_size = CDU_ILT_PAGE_SZ;
7308 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
7309 ilt_client->start = line;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007310 line += bnx2x_cid_ilt_lines(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007311#ifdef BCM_CNIC
7312 line += CNIC_ILT_LINES;
7313#endif
7314 ilt_client->end = line - 1;
7315
7316 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
7317 "flags 0x%x, hw psz %d\n",
7318 ilt_client->start,
7319 ilt_client->end,
7320 ilt_client->page_size,
7321 ilt_client->flags,
7322 ilog2(ilt_client->page_size >> 12));
7323
7324 /* QM */
7325 if (QM_INIT(bp->qm_cid_count)) {
7326 ilt_client = &ilt->clients[ILT_CLIENT_QM];
7327 ilt_client->client_num = ILT_CLIENT_QM;
7328 ilt_client->page_size = QM_ILT_PAGE_SZ;
7329 ilt_client->flags = 0;
7330 ilt_client->start = line;
7331
7332 /* 4 bytes for each cid */
7333 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
7334 QM_ILT_PAGE_SZ);
7335
7336 ilt_client->end = line - 1;
7337
7338 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
7339 "flags 0x%x, hw psz %d\n",
7340 ilt_client->start,
7341 ilt_client->end,
7342 ilt_client->page_size,
7343 ilt_client->flags,
7344 ilog2(ilt_client->page_size >> 12));
7345
7346 }
7347 /* SRC */
7348 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
7349#ifdef BCM_CNIC
7350 ilt_client->client_num = ILT_CLIENT_SRC;
7351 ilt_client->page_size = SRC_ILT_PAGE_SZ;
7352 ilt_client->flags = 0;
7353 ilt_client->start = line;
7354 line += SRC_ILT_LINES;
7355 ilt_client->end = line - 1;
7356
7357 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
7358 "flags 0x%x, hw psz %d\n",
7359 ilt_client->start,
7360 ilt_client->end,
7361 ilt_client->page_size,
7362 ilt_client->flags,
7363 ilog2(ilt_client->page_size >> 12));
7364
7365#else
7366 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7367#endif
7368
7369 /* TM */
7370 ilt_client = &ilt->clients[ILT_CLIENT_TM];
7371#ifdef BCM_CNIC
7372 ilt_client->client_num = ILT_CLIENT_TM;
7373 ilt_client->page_size = TM_ILT_PAGE_SZ;
7374 ilt_client->flags = 0;
7375 ilt_client->start = line;
7376 line += TM_ILT_LINES;
7377 ilt_client->end = line - 1;
7378
7379 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
7380 "flags 0x%x, hw psz %d\n",
7381 ilt_client->start,
7382 ilt_client->end,
7383 ilt_client->page_size,
7384 ilt_client->flags,
7385 ilog2(ilt_client->page_size >> 12));
7386
7387#else
7388 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
7389#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007390 BUG_ON(line > ILT_MAX_LINES);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007391}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007392
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007393/**
7394 * bnx2x_pf_q_prep_init - prepare INIT transition parameters
7395 *
7396 * @bp: driver handle
7397 * @fp: pointer to fastpath
7398 * @init_params: pointer to parameters structure
7399 *
7400 * parameters configured:
7401 * - HC configuration
7402 * - Queue's CDU context
7403 */
7404static inline void bnx2x_pf_q_prep_init(struct bnx2x *bp,
7405 struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007406{
Ariel Elior6383c0b2011-07-14 08:31:57 +00007407
7408 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007409 /* FCoE Queue uses Default SB, thus has no HC capabilities */
7410 if (!IS_FCOE_FP(fp)) {
7411 __set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
7412 __set_bit(BNX2X_Q_FLG_HC, &init_params->tx.flags);
7413
7414 /* If HC is supporterd, enable host coalescing in the transition
7415 * to INIT state.
7416 */
7417 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->rx.flags);
7418 __set_bit(BNX2X_Q_FLG_HC_EN, &init_params->tx.flags);
7419
7420 /* HC rate */
7421 init_params->rx.hc_rate = bp->rx_ticks ?
7422 (1000000 / bp->rx_ticks) : 0;
7423 init_params->tx.hc_rate = bp->tx_ticks ?
7424 (1000000 / bp->tx_ticks) : 0;
7425
7426 /* FW SB ID */
7427 init_params->rx.fw_sb_id = init_params->tx.fw_sb_id =
7428 fp->fw_sb_id;
7429
7430 /*
7431 * CQ index among the SB indices: FCoE clients uses the default
7432 * SB, therefore it's different.
7433 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007434 init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
7435 init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007436 }
7437
Ariel Elior6383c0b2011-07-14 08:31:57 +00007438 /* set maximum number of COSs supported by this queue */
7439 init_params->max_cos = fp->max_cos;
7440
Joe Perches94f05b02011-08-14 12:16:20 +00007441 DP(BNX2X_MSG_SP, "fp: %d setting queue params max cos to: %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007442 fp->index, init_params->max_cos);
7443
7444 /* set the context pointers queue object */
7445 for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++)
7446 init_params->cxts[cos] =
7447 &bp->context.vcxt[fp->txdata[cos].cid].eth;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007448}
7449
Ariel Elior6383c0b2011-07-14 08:31:57 +00007450int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7451 struct bnx2x_queue_state_params *q_params,
7452 struct bnx2x_queue_setup_tx_only_params *tx_only_params,
7453 int tx_index, bool leading)
7454{
7455 memset(tx_only_params, 0, sizeof(*tx_only_params));
7456
7457 /* Set the command */
7458 q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
7459
7460 /* Set tx-only QUEUE flags: don't zero statistics */
7461 tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
7462
7463 /* choose the index of the cid to send the slow path on */
7464 tx_only_params->cid_index = tx_index;
7465
7466 /* Set general TX_ONLY_SETUP parameters */
7467 bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
7468
7469 /* Set Tx TX_ONLY_SETUP parameters */
7470 bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
7471
7472 DP(BNX2X_MSG_SP, "preparing to send tx-only ramrod for connection:"
7473 "cos %d, primary cid %d, cid %d, "
Joe Perches94f05b02011-08-14 12:16:20 +00007474 "client id %d, sp-client id %d, flags %lx\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007475 tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
7476 q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
7477 tx_only_params->gen_params.spcl_id, tx_only_params->flags);
7478
7479 /* send the ramrod */
7480 return bnx2x_queue_state_change(bp, q_params);
7481}
7482
7483
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007484/**
7485 * bnx2x_setup_queue - setup queue
7486 *
7487 * @bp: driver handle
7488 * @fp: pointer to fastpath
7489 * @leading: is leading
7490 *
7491 * This function performs 2 steps in a Queue state machine
7492 * actually: 1) RESET->INIT 2) INIT->SETUP
7493 */
7494
7495int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
7496 bool leading)
7497{
7498 struct bnx2x_queue_state_params q_params = {0};
7499 struct bnx2x_queue_setup_params *setup_params =
7500 &q_params.params.setup;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007501 struct bnx2x_queue_setup_tx_only_params *tx_only_params =
7502 &q_params.params.tx_only;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007503 int rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007504 u8 tx_index;
7505
Joe Perches94f05b02011-08-14 12:16:20 +00007506 DP(BNX2X_MSG_SP, "setting up queue %d\n", fp->index);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007507
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007508 /* reset IGU state skip FCoE L2 queue */
7509 if (!IS_FCOE_FP(fp))
7510 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007511 IGU_INT_ENABLE, 0);
7512
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007513 q_params.q_obj = &fp->q_obj;
7514 /* We want to wait for completion in this context */
7515 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007516
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007517 /* Prepare the INIT parameters */
7518 bnx2x_pf_q_prep_init(bp, fp, &q_params.params.init);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007519
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007520 /* Set the command */
7521 q_params.cmd = BNX2X_Q_CMD_INIT;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007522
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007523 /* Change the state to INIT */
7524 rc = bnx2x_queue_state_change(bp, &q_params);
7525 if (rc) {
Ariel Elior6383c0b2011-07-14 08:31:57 +00007526 BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007527 return rc;
7528 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007529
Joe Perches94f05b02011-08-14 12:16:20 +00007530 DP(BNX2X_MSG_SP, "init complete\n");
Ariel Elior6383c0b2011-07-14 08:31:57 +00007531
7532
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007533 /* Now move the Queue to the SETUP state... */
7534 memset(setup_params, 0, sizeof(*setup_params));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007535
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007536 /* Set QUEUE flags */
7537 setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007538
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007539 /* Set general SETUP parameters */
Ariel Elior6383c0b2011-07-14 08:31:57 +00007540 bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
7541 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007542
Ariel Elior6383c0b2011-07-14 08:31:57 +00007543 bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007544 &setup_params->rxq_params);
7545
Ariel Elior6383c0b2011-07-14 08:31:57 +00007546 bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
7547 FIRST_TX_COS_INDEX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007548
7549 /* Set the command */
7550 q_params.cmd = BNX2X_Q_CMD_SETUP;
7551
7552 /* Change the state to SETUP */
7553 rc = bnx2x_queue_state_change(bp, &q_params);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007554 if (rc) {
7555 BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
7556 return rc;
7557 }
7558
7559 /* loop through the relevant tx-only indices */
7560 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7561 tx_index < fp->max_cos;
7562 tx_index++) {
7563
7564 /* prepare and send tx-only ramrod*/
7565 rc = bnx2x_setup_tx_only(bp, fp, &q_params,
7566 tx_only_params, tx_index, leading);
7567 if (rc) {
7568 BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
7569 fp->index, tx_index);
7570 return rc;
7571 }
7572 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007573
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007574 return rc;
7575}
7576
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007577static int bnx2x_stop_queue(struct bnx2x *bp, int index)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007578{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007579 struct bnx2x_fastpath *fp = &bp->fp[index];
Ariel Elior6383c0b2011-07-14 08:31:57 +00007580 struct bnx2x_fp_txdata *txdata;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007581 struct bnx2x_queue_state_params q_params = {0};
Ariel Elior6383c0b2011-07-14 08:31:57 +00007582 int rc, tx_index;
7583
Joe Perches94f05b02011-08-14 12:16:20 +00007584 DP(BNX2X_MSG_SP, "stopping queue %d cid %d\n", index, fp->cid);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007585
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007586 q_params.q_obj = &fp->q_obj;
7587 /* We want to wait for completion in this context */
7588 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007589
Ariel Elior6383c0b2011-07-14 08:31:57 +00007590
7591 /* close tx-only connections */
7592 for (tx_index = FIRST_TX_ONLY_COS_INDEX;
7593 tx_index < fp->max_cos;
7594 tx_index++){
7595
7596 /* ascertain this is a normal queue*/
7597 txdata = &fp->txdata[tx_index];
7598
Joe Perches94f05b02011-08-14 12:16:20 +00007599 DP(BNX2X_MSG_SP, "stopping tx-only queue %d\n",
Ariel Elior6383c0b2011-07-14 08:31:57 +00007600 txdata->txq_index);
7601
7602 /* send halt terminate on tx-only connection */
7603 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
7604 memset(&q_params.params.terminate, 0,
7605 sizeof(q_params.params.terminate));
7606 q_params.params.terminate.cid_index = tx_index;
7607
7608 rc = bnx2x_queue_state_change(bp, &q_params);
7609 if (rc)
7610 return rc;
7611
7612 /* send halt terminate on tx-only connection */
7613 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
7614 memset(&q_params.params.cfc_del, 0,
7615 sizeof(q_params.params.cfc_del));
7616 q_params.params.cfc_del.cid_index = tx_index;
7617 rc = bnx2x_queue_state_change(bp, &q_params);
7618 if (rc)
7619 return rc;
7620 }
7621 /* Stop the primary connection: */
7622 /* ...halt the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007623 q_params.cmd = BNX2X_Q_CMD_HALT;
7624 rc = bnx2x_queue_state_change(bp, &q_params);
7625 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007626 return rc;
7627
Ariel Elior6383c0b2011-07-14 08:31:57 +00007628 /* ...terminate the connection */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007629 q_params.cmd = BNX2X_Q_CMD_TERMINATE;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007630 memset(&q_params.params.terminate, 0,
7631 sizeof(q_params.params.terminate));
7632 q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007633 rc = bnx2x_queue_state_change(bp, &q_params);
7634 if (rc)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007635 return rc;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007636 /* ...delete cfc entry */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007637 q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
Ariel Elior6383c0b2011-07-14 08:31:57 +00007638 memset(&q_params.params.cfc_del, 0,
7639 sizeof(q_params.params.cfc_del));
7640 q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007641 return bnx2x_queue_state_change(bp, &q_params);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007642}
7643
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007644
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007645static void bnx2x_reset_func(struct bnx2x *bp)
7646{
7647 int port = BP_PORT(bp);
7648 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007649 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007650
7651 /* Disable the function in the FW */
7652 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
7653 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
7654 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
7655 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
7656
7657 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007658 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007659 struct bnx2x_fastpath *fp = &bp->fp[i];
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007660 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00007661 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
7662 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007663 }
7664
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007665#ifdef BCM_CNIC
7666 /* CNIC SB */
7667 REG_WR8(bp, BAR_CSTRORM_INTMEM +
7668 CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(bnx2x_cnic_fw_sb_id(bp)),
7669 SB_DISABLED);
7670#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007671 /* SP SB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007672 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Ariel Elior6383c0b2011-07-14 08:31:57 +00007673 CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
7674 SB_DISABLED);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007675
7676 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
7677 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
7678 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08007679
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007680 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007681 if (bp->common.int_block == INT_BLOCK_HC) {
7682 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7683 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7684 } else {
7685 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7686 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7687 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007688
Michael Chan37b091b2009-10-10 13:46:55 +00007689#ifdef BCM_CNIC
7690 /* Disable Timer scan */
7691 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
7692 /*
7693 * Wait for at least 10ms and up to 2 second for the timers scan to
7694 * complete
7695 */
7696 for (i = 0; i < 200; i++) {
7697 msleep(10);
7698 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
7699 break;
7700 }
7701#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007702 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007703 bnx2x_clear_func_ilt(bp, func);
7704
7705 /* Timers workaround bug for E2: if this is vnic-3,
7706 * we need to set the entire ilt range for this timers.
7707 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007708 if (!CHIP_IS_E1x(bp) && BP_VN(bp) == 3) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007709 struct ilt_client_info ilt_cli;
7710 /* use dummy TM client */
7711 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7712 ilt_cli.start = 0;
7713 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7714 ilt_cli.client_num = ILT_CLIENT_TM;
7715
7716 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7717 }
7718
7719 /* this assumes that reset_port() called before reset_func()*/
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007720 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007721 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007722
7723 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007724}
7725
7726static void bnx2x_reset_port(struct bnx2x *bp)
7727{
7728 int port = BP_PORT(bp);
7729 u32 val;
7730
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007731 /* Reset physical Link */
7732 bnx2x__link_reset(bp);
7733
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007734 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7735
7736 /* Do not rcv packets to BRB */
7737 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7738 /* Do not direct rcv packets that are not for MCP to the BRB */
7739 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7740 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7741
7742 /* Configure AEU */
7743 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7744
7745 msleep(100);
7746 /* Check for BRB port occupancy */
7747 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7748 if (val)
7749 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007750 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007751
7752 /* TODO: Close Doorbell port? */
7753}
7754
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007755static inline int bnx2x_reset_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007756{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007757 struct bnx2x_func_state_params func_params = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007758
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007759 /* Prepare parameters for function state transitions */
7760 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007761
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007762 func_params.f_obj = &bp->func_obj;
7763 func_params.cmd = BNX2X_F_CMD_HW_RESET;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007764
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007765 func_params.params.hw_init.load_phase = load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007766
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007767 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007768}
7769
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007770static inline int bnx2x_func_stop(struct bnx2x *bp)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007771{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007772 struct bnx2x_func_state_params func_params = {0};
7773 int rc;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007774
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007775 /* Prepare parameters for function state transitions */
7776 __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
7777 func_params.f_obj = &bp->func_obj;
7778 func_params.cmd = BNX2X_F_CMD_STOP;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007779
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007780 /*
7781 * Try to stop the function the 'good way'. If fails (in case
7782 * of a parity error during bnx2x_chip_cleanup()) and we are
7783 * not in a debug mode, perform a state transaction in order to
7784 * enable further HW_RESET transaction.
7785 */
7786 rc = bnx2x_func_state_change(bp, &func_params);
7787 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007788#ifdef BNX2X_STOP_ON_ERROR
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007789 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007790#else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007791 BNX2X_ERR("FUNC_STOP ramrod failed. Running a dry "
7792 "transaction\n");
7793 __set_bit(RAMROD_DRV_CLR_ONLY, &func_params.ramrod_flags);
7794 return bnx2x_func_state_change(bp, &func_params);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007795#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007796 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007797
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007798 return 0;
7799}
Yitchak Gertner65abd742008-08-25 15:26:24 -07007800
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007801/**
7802 * bnx2x_send_unload_req - request unload mode from the MCP.
7803 *
7804 * @bp: driver handle
7805 * @unload_mode: requested function's unload mode
7806 *
7807 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
7808 */
7809u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
7810{
7811 u32 reset_code = 0;
7812 int port = BP_PORT(bp);
7813
7814 /* Select the UNLOAD request mode */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007815 if (unload_mode == UNLOAD_NORMAL)
7816 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007817
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007818 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007819 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007820
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007821 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007822 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007823 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007824 u32 val;
David S. Miller88c51002011-10-07 13:38:43 -04007825 u16 pmc;
7826
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007827 /* The mac address is written to entries 1-4 to
David S. Miller88c51002011-10-07 13:38:43 -04007828 * preserve entry 0 which is used by the PMF
7829 */
David S. Miller8decf862011-09-22 03:23:13 -04007830 u8 entry = (BP_VN(bp) + 1)*8;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007831
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007832 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007833 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007834
7835 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7836 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007837 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007838
David S. Miller88c51002011-10-07 13:38:43 -04007839 /* Enable the PME and clear the status */
7840 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
7841 pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
7842 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
7843
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007844 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007845
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007846 } else
7847 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7848
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007849 /* Send the request to the MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007850 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007851 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007852 else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007853 int path = BP_PATH(bp);
7854
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007855 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007856 "%d, %d, %d\n",
7857 path, load_count[path][0], load_count[path][1],
7858 load_count[path][2]);
7859 load_count[path][0]--;
7860 load_count[path][1 + port]--;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007861 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007862 "%d, %d, %d\n",
7863 path, load_count[path][0], load_count[path][1],
7864 load_count[path][2]);
7865 if (load_count[path][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007866 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007867 else if (load_count[path][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007868 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7869 else
7870 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7871 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007872
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007873 return reset_code;
7874}
7875
7876/**
7877 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
7878 *
7879 * @bp: driver handle
7880 */
7881void bnx2x_send_unload_done(struct bnx2x *bp)
7882{
7883 /* Report UNLOAD_DONE to MCP */
7884 if (!BP_NOMCP(bp))
7885 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7886}
7887
Dmitry Kravkov6debea82011-07-19 01:42:04 +00007888static inline int bnx2x_func_wait_started(struct bnx2x *bp)
7889{
7890 int tout = 50;
7891 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
7892
7893 if (!bp->port.pmf)
7894 return 0;
7895
7896 /*
7897 * (assumption: No Attention from MCP at this stage)
7898 * PMF probably in the middle of TXdisable/enable transaction
7899 * 1. Sync IRS for default SB
7900 * 2. Sync SP queue - this guarantes us that attention handling started
7901 * 3. Wait, that TXdisable/enable transaction completes
7902 *
7903 * 1+2 guranty that if DCBx attention was scheduled it already changed
7904 * pending bit of transaction from STARTED-->TX_STOPPED, if we alredy
7905 * received complettion for the transaction the state is TX_STOPPED.
7906 * State will return to STARTED after completion of TX_STOPPED-->STARTED
7907 * transaction.
7908 */
7909
7910 /* make sure default SB ISR is done */
7911 if (msix)
7912 synchronize_irq(bp->msix_table[0].vector);
7913 else
7914 synchronize_irq(bp->pdev->irq);
7915
7916 flush_workqueue(bnx2x_wq);
7917
7918 while (bnx2x_func_get_state(bp, &bp->func_obj) !=
7919 BNX2X_F_STATE_STARTED && tout--)
7920 msleep(20);
7921
7922 if (bnx2x_func_get_state(bp, &bp->func_obj) !=
7923 BNX2X_F_STATE_STARTED) {
7924#ifdef BNX2X_STOP_ON_ERROR
7925 return -EBUSY;
7926#else
7927 /*
7928 * Failed to complete the transaction in a "good way"
7929 * Force both transactions with CLR bit
7930 */
7931 struct bnx2x_func_state_params func_params = {0};
7932
7933 DP(BNX2X_MSG_SP, "Hmmm... unexpected function state! "
7934 "Forcing STARTED-->TX_ST0PPED-->STARTED\n");
7935
7936 func_params.f_obj = &bp->func_obj;
7937 __set_bit(RAMROD_DRV_CLR_ONLY,
7938 &func_params.ramrod_flags);
7939
7940 /* STARTED-->TX_ST0PPED */
7941 func_params.cmd = BNX2X_F_CMD_TX_STOP;
7942 bnx2x_func_state_change(bp, &func_params);
7943
7944 /* TX_ST0PPED-->STARTED */
7945 func_params.cmd = BNX2X_F_CMD_TX_START;
7946 return bnx2x_func_state_change(bp, &func_params);
7947#endif
7948 }
7949
7950 return 0;
7951}
7952
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007953void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
7954{
7955 int port = BP_PORT(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00007956 int i, rc = 0;
7957 u8 cos;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007958 struct bnx2x_mcast_ramrod_params rparam = {0};
7959 u32 reset_code;
7960
7961 /* Wait until tx fastpath tasks complete */
7962 for_each_tx_queue(bp, i) {
7963 struct bnx2x_fastpath *fp = &bp->fp[i];
7964
Ariel Elior6383c0b2011-07-14 08:31:57 +00007965 for_each_cos_in_tx_queue(fp, cos)
7966 rc = bnx2x_clean_tx_queue(bp, &fp->txdata[cos]);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03007967#ifdef BNX2X_STOP_ON_ERROR
7968 if (rc)
7969 return;
7970#endif
7971 }
7972
7973 /* Give HW time to discard old tx messages */
7974 usleep_range(1000, 1000);
7975
7976 /* Clean all ETH MACs */
7977 rc = bnx2x_del_all_macs(bp, &bp->fp[0].mac_obj, BNX2X_ETH_MAC, false);
7978 if (rc < 0)
7979 BNX2X_ERR("Failed to delete all ETH macs: %d\n", rc);
7980
7981 /* Clean up UC list */
7982 rc = bnx2x_del_all_macs(bp, &bp->fp[0].mac_obj, BNX2X_UC_LIST_MAC,
7983 true);
7984 if (rc < 0)
7985 BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: "
7986 "%d\n", rc);
7987
7988 /* Disable LLH */
7989 if (!CHIP_IS_E1(bp))
7990 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7991
7992 /* Set "drop all" (stop Rx).
7993 * We need to take a netif_addr_lock() here in order to prevent
7994 * a race between the completion code and this code.
7995 */
7996 netif_addr_lock_bh(bp->dev);
7997 /* Schedule the rx_mode command */
7998 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
7999 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
8000 else
8001 bnx2x_set_storm_rx_mode(bp);
8002
8003 /* Cleanup multicast configuration */
8004 rparam.mcast_obj = &bp->mcast_obj;
8005 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
8006 if (rc < 0)
8007 BNX2X_ERR("Failed to send DEL multicast command: %d\n", rc);
8008
8009 netif_addr_unlock_bh(bp->dev);
8010
8011
Dmitry Kravkov6debea82011-07-19 01:42:04 +00008012
8013 /*
8014 * Send the UNLOAD_REQUEST to the MCP. This will return if
8015 * this function should perform FUNC, PORT or COMMON HW
8016 * reset.
8017 */
8018 reset_code = bnx2x_send_unload_req(bp, unload_mode);
8019
8020 /*
8021 * (assumption: No Attention from MCP at this stage)
8022 * PMF probably in the middle of TXdisable/enable transaction
8023 */
8024 rc = bnx2x_func_wait_started(bp);
8025 if (rc) {
8026 BNX2X_ERR("bnx2x_func_wait_started failed\n");
8027#ifdef BNX2X_STOP_ON_ERROR
8028 return;
8029#endif
8030 }
8031
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008032 /* Close multi and leading connections
8033 * Completions for ramrods are collected in a synchronous way
8034 */
8035 for_each_queue(bp, i)
8036 if (bnx2x_stop_queue(bp, i))
8037#ifdef BNX2X_STOP_ON_ERROR
8038 return;
8039#else
8040 goto unload_error;
8041#endif
8042 /* If SP settings didn't get completed so far - something
8043 * very wrong has happen.
8044 */
8045 if (!bnx2x_wait_sp_comp(bp, ~0x0UL))
8046 BNX2X_ERR("Hmmm... Common slow path ramrods got stuck!\n");
8047
8048#ifndef BNX2X_STOP_ON_ERROR
8049unload_error:
8050#endif
8051 rc = bnx2x_func_stop(bp);
8052 if (rc) {
8053 BNX2X_ERR("Function stop failed!\n");
8054#ifdef BNX2X_STOP_ON_ERROR
8055 return;
8056#endif
8057 }
8058
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008059 /* Disable HW interrupts, NAPI */
8060 bnx2x_netif_stop(bp, 1);
8061
8062 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00008063 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008064
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008065 /* Reset the chip */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008066 rc = bnx2x_reset_hw(bp, reset_code);
8067 if (rc)
8068 BNX2X_ERR("HW_RESET failed\n");
8069
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008070
8071 /* Report UNLOAD_DONE to MCP */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008072 bnx2x_send_unload_done(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008073}
8074
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008075void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008076{
8077 u32 val;
8078
8079 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
8080
8081 if (CHIP_IS_E1(bp)) {
8082 int port = BP_PORT(bp);
8083 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8084 MISC_REG_AEU_MASK_ATTN_FUNC_0;
8085
8086 val = REG_RD(bp, addr);
8087 val &= ~(0x300);
8088 REG_WR(bp, addr, val);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008089 } else {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008090 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
8091 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
8092 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
8093 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
8094 }
8095}
8096
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008097/* Close gates #2, #3 and #4: */
8098static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
8099{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008100 u32 val;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008101
8102 /* Gates #2 and #4a are closed/opened for "not E1" only */
8103 if (!CHIP_IS_E1(bp)) {
8104 /* #4 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008105 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008106 /* #2 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008107 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES, !!close);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008108 }
8109
8110 /* #3 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008111 if (CHIP_IS_E1x(bp)) {
8112 /* Prevent interrupts from HC on both ports */
8113 val = REG_RD(bp, HC_REG_CONFIG_1);
8114 REG_WR(bp, HC_REG_CONFIG_1,
8115 (!close) ? (val | HC_CONFIG_1_REG_BLOCK_DISABLE_1) :
8116 (val & ~(u32)HC_CONFIG_1_REG_BLOCK_DISABLE_1));
8117
8118 val = REG_RD(bp, HC_REG_CONFIG_0);
8119 REG_WR(bp, HC_REG_CONFIG_0,
8120 (!close) ? (val | HC_CONFIG_0_REG_BLOCK_DISABLE_0) :
8121 (val & ~(u32)HC_CONFIG_0_REG_BLOCK_DISABLE_0));
8122 } else {
8123 /* Prevent incomming interrupts in IGU */
8124 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8125
8126 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION,
8127 (!close) ?
8128 (val | IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE) :
8129 (val & ~(u32)IGU_BLOCK_CONFIGURATION_REG_BLOCK_ENABLE));
8130 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008131
8132 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
8133 close ? "closing" : "opening");
8134 mmiowb();
8135}
8136
8137#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
8138
8139static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
8140{
8141 /* Do some magic... */
8142 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8143 *magic_val = val & SHARED_MF_CLP_MAGIC;
8144 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
8145}
8146
Dmitry Kravkove8920672011-05-04 23:52:40 +00008147/**
8148 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008149 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008150 * @bp: driver handle
8151 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008152 */
8153static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
8154{
8155 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008156 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
8157 MF_CFG_WR(bp, shared_mf_config.clp_mb,
8158 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
8159}
8160
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008161/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00008162 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008163 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008164 * @bp: driver handle
8165 * @magic_val: old value of 'magic' bit.
8166 *
8167 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008168 */
8169static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
8170{
8171 u32 shmem;
8172 u32 validity_offset;
8173
8174 DP(NETIF_MSG_HW, "Starting\n");
8175
8176 /* Set `magic' bit in order to save MF config */
8177 if (!CHIP_IS_E1(bp))
8178 bnx2x_clp_reset_prep(bp, magic_val);
8179
8180 /* Get shmem offset */
8181 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8182 validity_offset = offsetof(struct shmem_region, validity_map[0]);
8183
8184 /* Clear validity map flags */
8185 if (shmem > 0)
8186 REG_WR(bp, shmem + validity_offset, 0);
8187}
8188
8189#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
8190#define MCP_ONE_TIMEOUT 100 /* 100 ms */
8191
Dmitry Kravkove8920672011-05-04 23:52:40 +00008192/**
8193 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008194 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00008195 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008196 */
8197static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
8198{
8199 /* special handling for emulation and FPGA,
8200 wait 10 times longer */
8201 if (CHIP_REV_IS_SLOW(bp))
8202 msleep(MCP_ONE_TIMEOUT*10);
8203 else
8204 msleep(MCP_ONE_TIMEOUT);
8205}
8206
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008207/*
8208 * initializes bp->common.shmem_base and waits for validity signature to appear
8209 */
8210static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008211{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008212 int cnt = 0;
8213 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008214
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008215 do {
8216 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
8217 if (bp->common.shmem_base) {
8218 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8219 if (val & SHR_MEM_VALIDITY_MB)
8220 return 0;
8221 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008222
8223 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008224
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008225 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008226
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008227 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008228
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00008229 return -ENODEV;
8230}
8231
8232static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
8233{
8234 int rc = bnx2x_init_shmem(bp);
8235
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008236 /* Restore the `magic' bit value */
8237 if (!CHIP_IS_E1(bp))
8238 bnx2x_clp_reset_done(bp, magic_val);
8239
8240 return rc;
8241}
8242
8243static void bnx2x_pxp_prep(struct bnx2x *bp)
8244{
8245 if (!CHIP_IS_E1(bp)) {
8246 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
8247 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008248 mmiowb();
8249 }
8250}
8251
8252/*
8253 * Reset the whole chip except for:
8254 * - PCIE core
8255 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
8256 * one reset bit)
8257 * - IGU
8258 * - MISC (including AEU)
8259 * - GRC
8260 * - RBCN, RBCP
8261 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008262static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008263{
8264 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008265 u32 global_bits2, stay_reset2;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008266
8267 /*
8268 * Bits that have to be set in reset_mask2 if we want to reset 'global'
8269 * (per chip) blocks.
8270 */
8271 global_bits2 =
8272 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
8273 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008274
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008275 /* Don't reset the following blocks */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008276 not_reset_mask1 =
8277 MISC_REGISTERS_RESET_REG_1_RST_HC |
8278 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
8279 MISC_REGISTERS_RESET_REG_1_RST_PXP;
8280
8281 not_reset_mask2 =
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008282 MISC_REGISTERS_RESET_REG_2_RST_PCI_MDIO |
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008283 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
8284 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
8285 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
8286 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
8287 MISC_REGISTERS_RESET_REG_2_RST_GRC |
8288 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008289 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
8290 MISC_REGISTERS_RESET_REG_2_RST_ATC |
8291 MISC_REGISTERS_RESET_REG_2_PGLC;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008292
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008293 /*
8294 * Keep the following blocks in reset:
8295 * - all xxMACs are handled by the bnx2x_link code.
8296 */
8297 stay_reset2 =
8298 MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
8299 MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
8300 MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
8301 MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
8302 MISC_REGISTERS_RESET_REG_2_UMAC0 |
8303 MISC_REGISTERS_RESET_REG_2_UMAC1 |
8304 MISC_REGISTERS_RESET_REG_2_XMAC |
8305 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
8306
8307 /* Full reset masks according to the chip */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008308 reset_mask1 = 0xffffffff;
8309
8310 if (CHIP_IS_E1(bp))
8311 reset_mask2 = 0xffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008312 else if (CHIP_IS_E1H(bp))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008313 reset_mask2 = 0x1ffff;
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008314 else if (CHIP_IS_E2(bp))
8315 reset_mask2 = 0xfffff;
8316 else /* CHIP_IS_E3 */
8317 reset_mask2 = 0x3ffffff;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008318
8319 /* Don't reset global blocks unless we need to */
8320 if (!global)
8321 reset_mask2 &= ~global_bits2;
8322
8323 /*
8324 * In case of attention in the QM, we need to reset PXP
8325 * (MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR) before QM
8326 * because otherwise QM reset would release 'close the gates' shortly
8327 * before resetting the PXP, then the PSWRQ would send a write
8328 * request to PGLUE. Then when PXP is reset, PGLUE would try to
8329 * read the payload data from PSWWR, but PSWWR would not
8330 * respond. The write queue in PGLUE would stuck, dmae commands
8331 * would not return. Therefore it's important to reset the second
8332 * reset register (containing the
8333 * MISC_REGISTERS_RESET_REG_2_RST_PXP_RQ_RD_WR bit) before the
8334 * first one (containing the MISC_REGISTERS_RESET_REG_1_RST_QM
8335 * bit).
8336 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008337 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
8338 reset_mask2 & (~not_reset_mask2));
8339
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008340 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
8341 reset_mask1 & (~not_reset_mask1));
8342
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008343 barrier();
8344 mmiowb();
8345
Vladislav Zolotarov8736c822011-07-21 07:58:36 +00008346 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
8347 reset_mask2 & (~stay_reset2));
8348
8349 barrier();
8350 mmiowb();
8351
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008352 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008353 mmiowb();
8354}
8355
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008356/**
8357 * bnx2x_er_poll_igu_vq - poll for pending writes bit.
8358 * It should get cleared in no more than 1s.
8359 *
8360 * @bp: driver handle
8361 *
8362 * It should get cleared in no more than 1s. Returns 0 if
8363 * pending writes bit gets cleared.
8364 */
8365static int bnx2x_er_poll_igu_vq(struct bnx2x *bp)
8366{
8367 u32 cnt = 1000;
8368 u32 pend_bits = 0;
8369
8370 do {
8371 pend_bits = REG_RD(bp, IGU_REG_PENDING_BITS_STATUS);
8372
8373 if (pend_bits == 0)
8374 break;
8375
8376 usleep_range(1000, 1000);
8377 } while (cnt-- > 0);
8378
8379 if (cnt <= 0) {
8380 BNX2X_ERR("Still pending IGU requests pend_bits=%x!\n",
8381 pend_bits);
8382 return -EBUSY;
8383 }
8384
8385 return 0;
8386}
8387
8388static int bnx2x_process_kill(struct bnx2x *bp, bool global)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008389{
8390 int cnt = 1000;
8391 u32 val = 0;
8392 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
8393
8394
8395 /* Empty the Tetris buffer, wait for 1s */
8396 do {
8397 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
8398 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
8399 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
8400 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
8401 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
8402 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
8403 ((port_is_idle_0 & 0x1) == 0x1) &&
8404 ((port_is_idle_1 & 0x1) == 0x1) &&
8405 (pgl_exp_rom2 == 0xffffffff))
8406 break;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008407 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008408 } while (cnt-- > 0);
8409
8410 if (cnt <= 0) {
8411 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
8412 " are still"
8413 " outstanding read requests after 1s!\n");
8414 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
8415 " port_is_idle_0=0x%08x,"
8416 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
8417 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
8418 pgl_exp_rom2);
8419 return -EAGAIN;
8420 }
8421
8422 barrier();
8423
8424 /* Close gates #2, #3 and #4 */
8425 bnx2x_set_234_gates(bp, true);
8426
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008427 /* Poll for IGU VQs for 57712 and newer chips */
8428 if (!CHIP_IS_E1x(bp) && bnx2x_er_poll_igu_vq(bp))
8429 return -EAGAIN;
8430
8431
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008432 /* TBD: Indicate that "process kill" is in progress to MCP */
8433
8434 /* Clear "unprepared" bit */
8435 REG_WR(bp, MISC_REG_UNPREPARED, 0);
8436 barrier();
8437
8438 /* Make sure all is written to the chip before the reset */
8439 mmiowb();
8440
8441 /* Wait for 1ms to empty GLUE and PCI-E core queues,
8442 * PSWHST, GRC and PSWRD Tetris buffer.
8443 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008444 usleep_range(1000, 1000);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008445
8446 /* Prepare to chip reset: */
8447 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008448 if (global)
8449 bnx2x_reset_mcp_prep(bp, &val);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008450
8451 /* PXP */
8452 bnx2x_pxp_prep(bp);
8453 barrier();
8454
8455 /* reset the chip */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008456 bnx2x_process_kill_chip_reset(bp, global);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008457 barrier();
8458
8459 /* Recover after reset: */
8460 /* MCP */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008461 if (global && bnx2x_reset_mcp_comp(bp, val))
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008462 return -EAGAIN;
8463
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008464 /* TBD: Add resetting the NO_MCP mode DB here */
8465
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008466 /* PXP */
8467 bnx2x_pxp_prep(bp);
8468
8469 /* Open the gates #2, #3 and #4 */
8470 bnx2x_set_234_gates(bp, false);
8471
8472 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
8473 * reset state, re-enable attentions. */
8474
8475 return 0;
8476}
8477
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008478int bnx2x_leader_reset(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008479{
8480 int rc = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008481 bool global = bnx2x_reset_is_global(bp);
Ariel Elior95c6c6162012-01-26 06:01:52 +00008482 u32 load_code;
8483
8484 /* if not going to reset MCP - load "fake" driver to reset HW while
8485 * driver is owner of the HW
8486 */
8487 if (!global && !BP_NOMCP(bp)) {
8488 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ, 0);
8489 if (!load_code) {
8490 BNX2X_ERR("MCP response failure, aborting\n");
8491 rc = -EAGAIN;
8492 goto exit_leader_reset;
8493 }
8494 if ((load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) &&
8495 (load_code != FW_MSG_CODE_DRV_LOAD_COMMON)) {
8496 BNX2X_ERR("MCP unexpected resp, aborting\n");
8497 rc = -EAGAIN;
8498 goto exit_leader_reset2;
8499 }
8500 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE, 0);
8501 if (!load_code) {
8502 BNX2X_ERR("MCP response failure, aborting\n");
8503 rc = -EAGAIN;
8504 goto exit_leader_reset2;
8505 }
8506 }
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008507
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008508 /* Try to recover after the failure */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008509 if (bnx2x_process_kill(bp, global)) {
8510 netdev_err(bp->dev, "Something bad had happen on engine %d! "
8511 "Aii!\n", BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008512 rc = -EAGAIN;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008513 goto exit_leader_reset2;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008514 }
8515
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008516 /*
8517 * Clear RESET_IN_PROGRES and RESET_GLOBAL bits and update the driver
8518 * state.
8519 */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008520 bnx2x_set_reset_done(bp);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008521 if (global)
8522 bnx2x_clear_reset_global(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008523
Ariel Elior95c6c6162012-01-26 06:01:52 +00008524exit_leader_reset2:
8525 /* unload "fake driver" if it was loaded */
8526 if (!global && !BP_NOMCP(bp)) {
8527 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP, 0);
8528 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
8529 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008530exit_leader_reset:
8531 bp->is_leader = 0;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008532 bnx2x_release_leader_lock(bp);
8533 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008534 return rc;
8535}
8536
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008537static inline void bnx2x_recovery_failed(struct bnx2x *bp)
8538{
8539 netdev_err(bp->dev, "Recovery has failed. Power cycle is needed.\n");
8540
8541 /* Disconnect this device */
8542 netif_device_detach(bp->dev);
8543
8544 /*
8545 * Block ifup for all function on this engine until "process kill"
8546 * or power cycle.
8547 */
8548 bnx2x_set_reset_in_progress(bp);
8549
8550 /* Shut down the power */
8551 bnx2x_set_power_state(bp, PCI_D3hot);
8552
8553 bp->recovery_state = BNX2X_RECOVERY_FAILED;
8554
8555 smp_mb();
8556}
8557
8558/*
8559 * Assumption: runs under rtnl lock. This together with the fact
Ariel Elior6383c0b2011-07-14 08:31:57 +00008560 * that it's called only from bnx2x_sp_rtnl() ensure that it
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008561 * will never be called when netif_running(bp->dev) is false.
8562 */
8563static void bnx2x_parity_recover(struct bnx2x *bp)
8564{
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008565 bool global = false;
Ariel Elior95c6c6162012-01-26 06:01:52 +00008566 bool is_parity;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008567
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008568 DP(NETIF_MSG_HW, "Handling parity\n");
8569 while (1) {
8570 switch (bp->recovery_state) {
8571 case BNX2X_RECOVERY_INIT:
8572 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
Ariel Elior95c6c6162012-01-26 06:01:52 +00008573 is_parity = bnx2x_chk_parity_attn(bp, &global, false);
8574 WARN_ON(!is_parity);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008575
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008576 /* Try to get a LEADER_LOCK HW lock */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008577 if (bnx2x_trylock_leader_lock(bp)) {
8578 bnx2x_set_reset_in_progress(bp);
8579 /*
8580 * Check if there is a global attention and if
8581 * there was a global attention, set the global
8582 * reset bit.
8583 */
8584
8585 if (global)
8586 bnx2x_set_reset_global(bp);
8587
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008588 bp->is_leader = 1;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008589 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008590
8591 /* Stop the driver */
8592 /* If interface has been removed - break */
8593 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
8594 return;
8595
8596 bp->recovery_state = BNX2X_RECOVERY_WAIT;
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008597
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008598 /* Ensure "is_leader", MCP command sequence and
8599 * "recovery_state" update values are seen on other
8600 * CPUs.
8601 */
8602 smp_mb();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008603 break;
8604
8605 case BNX2X_RECOVERY_WAIT:
8606 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
8607 if (bp->is_leader) {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008608 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +00008609 bool other_load_status =
8610 bnx2x_get_load_status(bp, other_engine);
8611 bool load_status =
8612 bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008613 global = bnx2x_reset_is_global(bp);
8614
8615 /*
8616 * In case of a parity in a global block, let
8617 * the first leader that performs a
8618 * leader_reset() reset the global blocks in
8619 * order to clear global attentions. Otherwise
8620 * the the gates will remain closed for that
8621 * engine.
8622 */
Ariel Elior889b9af2012-01-26 06:01:51 +00008623 if (load_status ||
8624 (global && other_load_status)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008625 /* Wait until all other functions get
8626 * down.
8627 */
Ariel Elior7be08a72011-07-14 08:31:19 +00008628 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008629 HZ/10);
8630 return;
8631 } else {
8632 /* If all other functions got down -
8633 * try to bring the chip back to
8634 * normal. In any case it's an exit
8635 * point for a leader.
8636 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008637 if (bnx2x_leader_reset(bp)) {
8638 bnx2x_recovery_failed(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008639 return;
8640 }
8641
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008642 /* If we are here, means that the
8643 * leader has succeeded and doesn't
8644 * want to be a leader any more. Try
8645 * to continue as a none-leader.
8646 */
8647 break;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008648 }
8649 } else { /* non-leader */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008650 if (!bnx2x_reset_is_done(bp, BP_PATH(bp))) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008651 /* Try to get a LEADER_LOCK HW lock as
8652 * long as a former leader may have
8653 * been unloaded by the user or
8654 * released a leadership by another
8655 * reason.
8656 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008657 if (bnx2x_trylock_leader_lock(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008658 /* I'm a leader now! Restart a
8659 * switch case.
8660 */
8661 bp->is_leader = 1;
8662 break;
8663 }
8664
Ariel Elior7be08a72011-07-14 08:31:19 +00008665 schedule_delayed_work(&bp->sp_rtnl_task,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008666 HZ/10);
8667 return;
8668
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008669 } else {
8670 /*
8671 * If there was a global attention, wait
8672 * for it to be cleared.
8673 */
8674 if (bnx2x_reset_is_global(bp)) {
8675 schedule_delayed_work(
Ariel Elior7be08a72011-07-14 08:31:19 +00008676 &bp->sp_rtnl_task,
8677 HZ/10);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008678 return;
8679 }
8680
Ariel Elior95c6c6162012-01-26 06:01:52 +00008681 bp->recovery_state =
8682 BNX2X_RECOVERY_NIC_LOADING;
8683 if (bnx2x_nic_load(bp, LOAD_NORMAL)) {
8684 netdev_err(bp->dev,
8685 "Recovery failed. "
8686 "Power cycle "
8687 "needed\n");
8688 /* Disconnect this device */
8689 netif_device_detach(bp->dev);
8690 /* Shut down the power */
8691 bnx2x_set_power_state(
8692 bp, PCI_D3hot);
8693 smp_mb();
8694 } else {
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +00008695 bp->recovery_state =
8696 BNX2X_RECOVERY_DONE;
8697 smp_mb();
8698 }
8699
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008700 return;
8701 }
8702 }
8703 default:
8704 return;
8705 }
8706 }
8707}
8708
8709/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
8710 * scheduled on a general queue in order to prevent a dead lock.
8711 */
Ariel Elior7be08a72011-07-14 08:31:19 +00008712static void bnx2x_sp_rtnl_task(struct work_struct *work)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008713{
Ariel Elior7be08a72011-07-14 08:31:19 +00008714 struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008715
8716 rtnl_lock();
8717
8718 if (!netif_running(bp->dev))
Ariel Elior7be08a72011-07-14 08:31:19 +00008719 goto sp_rtnl_exit;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008720
Ariel Elior7be08a72011-07-14 08:31:19 +00008721 /* if stop on error is defined no recovery flows should be executed */
8722#ifdef BNX2X_STOP_ON_ERROR
8723 BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined "
8724 "so reset not done to allow debug dump,\n"
8725 "you will need to reboot when done\n");
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008726 goto sp_rtnl_not_reset;
Ariel Elior7be08a72011-07-14 08:31:19 +00008727#endif
8728
8729 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE)) {
8730 /*
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008731 * Clear all pending SP commands as we are going to reset the
8732 * function anyway.
Ariel Elior7be08a72011-07-14 08:31:19 +00008733 */
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008734 bp->sp_rtnl_state = 0;
8735 smp_mb();
8736
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008737 bnx2x_parity_recover(bp);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008738
8739 goto sp_rtnl_exit;
8740 }
8741
8742 if (test_and_clear_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state)) {
8743 /*
8744 * Clear all pending SP commands as we are going to reset the
8745 * function anyway.
8746 */
8747 bp->sp_rtnl_state = 0;
8748 smp_mb();
8749
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008750 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8751 bnx2x_nic_load(bp, LOAD_NORMAL);
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008752
8753 goto sp_rtnl_exit;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008754 }
Vladislav Zolotarovb1fb8742011-07-24 03:57:46 +00008755#ifdef BNX2X_STOP_ON_ERROR
8756sp_rtnl_not_reset:
8757#endif
8758 if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
8759 bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008760
Ariel Elior83048592011-11-13 04:34:29 +00008761 /*
8762 * in case of fan failure we need to reset id if the "stop on error"
8763 * debug flag is set, since we trying to prevent permanent overheating
8764 * damage
8765 */
8766 if (test_and_clear_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state)) {
Dmitry Kravkov5219e4c2011-11-14 14:36:40 -05008767 DP(BNX2X_MSG_SP, "fan failure detected. Unloading driver\n");
Ariel Elior83048592011-11-13 04:34:29 +00008768 netif_device_detach(bp->dev);
8769 bnx2x_close(bp->dev);
8770 }
8771
Ariel Elior7be08a72011-07-14 08:31:19 +00008772sp_rtnl_exit:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008773 rtnl_unlock();
8774}
8775
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008776/* end of nic load/unload */
8777
Yaniv Rosner3deb8162011-06-14 01:34:33 +00008778static void bnx2x_period_task(struct work_struct *work)
8779{
8780 struct bnx2x *bp = container_of(work, struct bnx2x, period_task.work);
8781
8782 if (!netif_running(bp->dev))
8783 goto period_task_exit;
8784
8785 if (CHIP_REV_IS_SLOW(bp)) {
8786 BNX2X_ERR("period task called on emulation, ignoring\n");
8787 goto period_task_exit;
8788 }
8789
8790 bnx2x_acquire_phy_lock(bp);
8791 /*
8792 * The barrier is needed to ensure the ordering between the writing to
8793 * the bp->port.pmf in the bnx2x_nic_load() or bnx2x_pmf_update() and
8794 * the reading here.
8795 */
8796 smp_mb();
8797 if (bp->port.pmf) {
8798 bnx2x_period_func(&bp->link_params, &bp->link_vars);
8799
8800 /* Re-queue task in 1 sec */
8801 queue_delayed_work(bnx2x_wq, &bp->period_task, 1*HZ);
8802 }
8803
8804 bnx2x_release_phy_lock(bp);
8805period_task_exit:
8806 return;
8807}
8808
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008809/*
8810 * Init service functions
8811 */
8812
stephen hemminger8d962862010-10-21 07:50:56 +00008813static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008814{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008815 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
8816 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
8817 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008818}
8819
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008820static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008821{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008822 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008823
8824 /* Flush all outstanding writes */
8825 mmiowb();
8826
8827 /* Pretend to be function 0 */
8828 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008829 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008830
8831 /* From now we are in the "like-E1" mode */
8832 bnx2x_int_disable(bp);
8833
8834 /* Flush all outstanding writes */
8835 mmiowb();
8836
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008837 /* Restore the original function */
8838 REG_WR(bp, reg, BP_ABS_FUNC(bp));
8839 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008840}
8841
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008842static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008843{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008844 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008845 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008846 else
8847 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00008848}
8849
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008850static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008851{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008852 u32 val;
8853
Ariel Eliorf16da432012-01-26 06:01:50 +00008854 /* possibly another driver is trying to reset the chip */
8855 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
David S. Miller8decf862011-09-22 03:23:13 -04008856
Ariel Eliorf16da432012-01-26 06:01:50 +00008857 /* check if doorbell queue is reset */
8858 if (REG_RD(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET)
8859 & MISC_REGISTERS_RESET_REG_1_RST_DORQ) {
8860
David S. Miller8decf862011-09-22 03:23:13 -04008861 /*
8862 * Check if it is the UNDI driver
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008863 * UNDI driver initializes CID offset for normal bell to 0x7
8864 */
8865 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
8866 if (val == 0x7) {
8867 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008868 /* save our pf_num */
8869 int orig_pf_num = bp->pf_num;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008870 int port;
8871 u32 swap_en, swap_val, value;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008872
Eilon Greensteinb4661732009-01-14 06:43:56 +00008873 /* clear the UNDI indication */
8874 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
8875
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008876 BNX2X_DEV_INFO("UNDI is active! reset device\n");
8877
8878 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008879 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008880 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008881 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008882 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008883 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008884
8885 /* if UNDI is loaded on the other port */
8886 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
8887
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008888 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008889 bnx2x_fw_command(bp,
8890 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008891
8892 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008893 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008894 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008895 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008896 DRV_MSG_SEQ_NUMBER_MASK);
8897 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008898
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008899 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008900 }
8901
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008902 bnx2x_undi_int_disable(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008903 port = BP_PORT(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008904
8905 /* close input traffic and wait for it */
8906 /* Do not rcv packets to BRB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008907 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
8908 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008909 /* Do not direct rcv packets that are not for MCP to
8910 * the BRB */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008911 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
8912 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008913 /* clear AEU */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008914 REG_WR(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
8915 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008916 msleep(10);
8917
8918 /* save NIG port swap info */
8919 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
8920 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008921 /* reset device */
8922 REG_WR(bp,
8923 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008924 0xd3ffffff);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008925
8926 value = 0x1400;
8927 if (CHIP_IS_E3(bp)) {
8928 value |= MISC_REGISTERS_RESET_REG_2_MSTAT0;
8929 value |= MISC_REGISTERS_RESET_REG_2_MSTAT1;
8930 }
8931
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008932 REG_WR(bp,
8933 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008934 value);
8935
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008936 /* take the NIG out of reset and restore swap values */
8937 REG_WR(bp,
8938 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
8939 MISC_REGISTERS_RESET_REG_1_RST_NIG);
8940 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
8941 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
8942
8943 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008944 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008945
8946 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008947 bp->pf_num = orig_pf_num;
David S. Miller8decf862011-09-22 03:23:13 -04008948 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008949 }
Ariel Eliorf16da432012-01-26 06:01:50 +00008950
8951 /* now it's safe to release the lock */
8952 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008953}
8954
8955static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
8956{
Barak Witkowski1d187b32011-12-05 22:41:50 +00008957 u32 val, val2, val3, val4, id, boot_mode;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07008958 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008959
8960 /* Get the chip revision id and number. */
8961 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
8962 val = REG_RD(bp, MISC_REG_CHIP_NUM);
8963 id = ((val & 0xffff) << 16);
8964 val = REG_RD(bp, MISC_REG_CHIP_REV);
8965 id |= ((val & 0xf) << 12);
8966 val = REG_RD(bp, MISC_REG_CHIP_METAL);
8967 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00008968 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008969 id |= (val & 0xf);
8970 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008971
8972 /* Set doorbell size */
8973 bp->db_size = (1 << BNX2X_DB_SHIFT);
8974
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03008975 if (!CHIP_IS_E1x(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008976 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
8977 if ((val & 1) == 0)
8978 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
8979 else
8980 val = (val >> 1) & 1;
8981 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
8982 "2_PORT_MODE");
8983 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
8984 CHIP_2_PORT_MODE;
8985
8986 if (CHIP_MODE_IS_4_PORT(bp))
8987 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
8988 else
8989 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
8990 } else {
8991 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
8992 bp->pfid = bp->pf_num; /* 0..7 */
8993 }
8994
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008995 bp->link_params.chip_id = bp->common.chip_id;
8996 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008997
Eilon Greenstein1c063282009-02-12 08:36:43 +00008998 val = (REG_RD(bp, 0x2874) & 0x55);
8999 if ((bp->common.chip_id & 0x1) ||
9000 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
9001 bp->flags |= ONE_PORT_FLAG;
9002 BNX2X_DEV_INFO("single port device\n");
9003 }
9004
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009005 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009006 bp->common.flash_size = (BNX2X_NVRAM_1MB_SIZE <<
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009007 (val & MCPR_NVM_CFG4_FLASH_SIZE));
9008 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
9009 bp->common.flash_size, bp->common.flash_size);
9010
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009011 bnx2x_init_shmem(bp);
9012
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009013
9014
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009015 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
9016 MISC_REG_GENERIC_CR_1 :
9017 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00009018
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009019 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009020 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009021 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
9022 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009023
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009024 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009025 BNX2X_DEV_INFO("MCP not active\n");
9026 bp->flags |= NO_MCP_FLAG;
9027 return;
9028 }
9029
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009030 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00009031 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009032
9033 bp->link_params.hw_led_mode = ((bp->common.hw_config &
9034 SHARED_HW_CFG_LED_MODE_MASK) >>
9035 SHARED_HW_CFG_LED_MODE_SHIFT);
9036
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009037 bp->link_params.feature_config_flags = 0;
9038 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
9039 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
9040 bp->link_params.feature_config_flags |=
9041 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9042 else
9043 bp->link_params.feature_config_flags &=
9044 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
9045
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009046 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
9047 bp->common.bc_ver = val;
9048 BNX2X_DEV_INFO("bc_ver %X\n", val);
9049 if (val < BNX2X_BC_VER) {
9050 /* for now only warn
9051 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009052 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
9053 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009054 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009055 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009056 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009057 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
9058
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009059 bp->link_params.feature_config_flags |=
9060 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
9061 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009062
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009063 bp->link_params.feature_config_flags |=
9064 (val >= REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED) ?
9065 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED : 0;
Barak Witkowski0e898dd2011-12-05 21:52:22 +00009066 bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ?
9067 BC_SUPPORTS_PFC_STATS : 0;
Yaniv Rosner85242ee2011-07-05 01:06:53 +00009068
Barak Witkowski1d187b32011-12-05 22:41:50 +00009069 boot_mode = SHMEM_RD(bp,
9070 dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
9071 PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
9072 switch (boot_mode) {
9073 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_PXE:
9074 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_PXE;
9075 break;
9076 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_ISCSIB:
9077 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_ISCSI;
9078 break;
9079 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_FCOE_BOOT:
9080 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_FCOE;
9081 break;
9082 case PORT_FEATURE_MBA_BOOT_AGENT_TYPE_NONE:
9083 bp->common.boot_mode = FEATURE_ETH_BOOTMODE_NONE;
9084 break;
9085 }
9086
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00009087 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
9088 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
9089
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07009090 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00009091 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009092
9093 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
9094 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
9095 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
9096 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
9097
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009098 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
9099 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009100}
9101
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009102#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
9103#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
9104
9105static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
9106{
9107 int pfid = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009108 int igu_sb_id;
9109 u32 val;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009110 u8 fid, igu_sb_cnt = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009111
9112 bp->igu_base_sb = 0xff;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009113 if (CHIP_INT_MODE_IS_BC(bp)) {
David S. Miller8decf862011-09-22 03:23:13 -04009114 int vn = BP_VN(bp);
Ariel Elior6383c0b2011-07-14 08:31:57 +00009115 igu_sb_cnt = bp->igu_sb_cnt;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009116 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
9117 FP_SB_MAX_E1x;
9118
9119 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
9120 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
9121
9122 return;
9123 }
9124
9125 /* IGU in normal mode - read CAM */
9126 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
9127 igu_sb_id++) {
9128 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
9129 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
9130 continue;
9131 fid = IGU_FID(val);
9132 if ((fid & IGU_FID_ENCODE_IS_PF)) {
9133 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
9134 continue;
9135 if (IGU_VEC(val) == 0)
9136 /* default status block */
9137 bp->igu_dsb_id = igu_sb_id;
9138 else {
9139 if (bp->igu_base_sb == 0xff)
9140 bp->igu_base_sb = igu_sb_id;
Ariel Elior6383c0b2011-07-14 08:31:57 +00009141 igu_sb_cnt++;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009142 }
9143 }
9144 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009145
Ariel Elior6383c0b2011-07-14 08:31:57 +00009146#ifdef CONFIG_PCI_MSI
9147 /*
9148 * It's expected that number of CAM entries for this functions is equal
9149 * to the number evaluated based on the MSI-X table size. We want a
9150 * harsh warning if these values are different!
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009151 */
Ariel Elior6383c0b2011-07-14 08:31:57 +00009152 WARN_ON(bp->igu_sb_cnt != igu_sb_cnt);
9153#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009154
Ariel Elior6383c0b2011-07-14 08:31:57 +00009155 if (igu_sb_cnt == 0)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009156 BNX2X_ERR("CAM configuration error\n");
9157}
9158
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009159static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
9160 u32 switch_cfg)
9161{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009162 int cfg_size = 0, idx, port = BP_PORT(bp);
9163
9164 /* Aggregation of supported attributes of all external phys */
9165 bp->port.supported[0] = 0;
9166 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009167 switch (bp->link_params.num_phys) {
9168 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009169 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
9170 cfg_size = 1;
9171 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009172 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009173 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
9174 cfg_size = 1;
9175 break;
9176 case 3:
9177 if (bp->link_params.multi_phy_config &
9178 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
9179 bp->port.supported[1] =
9180 bp->link_params.phy[EXT_PHY1].supported;
9181 bp->port.supported[0] =
9182 bp->link_params.phy[EXT_PHY2].supported;
9183 } else {
9184 bp->port.supported[0] =
9185 bp->link_params.phy[EXT_PHY1].supported;
9186 bp->port.supported[1] =
9187 bp->link_params.phy[EXT_PHY2].supported;
9188 }
9189 cfg_size = 2;
9190 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009191 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009192
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009193 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009194 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009195 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009196 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009197 dev_info.port_hw_config[port].external_phy_config),
9198 SHMEM_RD(bp,
9199 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009200 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009201 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009202
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009203 if (CHIP_IS_E3(bp))
9204 bp->port.phy_addr = REG_RD(bp, MISC_REG_WC0_CTRL_PHY_ADDR);
9205 else {
9206 switch (switch_cfg) {
9207 case SWITCH_CFG_1G:
9208 bp->port.phy_addr = REG_RD(
9209 bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + port*0x10);
9210 break;
9211 case SWITCH_CFG_10G:
9212 bp->port.phy_addr = REG_RD(
9213 bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + port*0x18);
9214 break;
9215 default:
9216 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
9217 bp->port.link_config[0]);
9218 return;
9219 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009220 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009221 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009222 /* mask what we support according to speed_cap_mask per configuration */
9223 for (idx = 0; idx < cfg_size; idx++) {
9224 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009225 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009226 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009227
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009228 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009229 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009230 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009231
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009232 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009233 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009234 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009235
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009236 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009237 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009238 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009239
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009240 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009241 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009242 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009243 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009244
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009245 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009246 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009247 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009248
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009249 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009250 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009251 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009252
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009253 }
9254
9255 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
9256 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009257}
9258
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009259static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009260{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009261 u32 link_config, idx, cfg_size = 0;
9262 bp->port.advertising[0] = 0;
9263 bp->port.advertising[1] = 0;
9264 switch (bp->link_params.num_phys) {
9265 case 1:
9266 case 2:
9267 cfg_size = 1;
9268 break;
9269 case 3:
9270 cfg_size = 2;
9271 break;
9272 }
9273 for (idx = 0; idx < cfg_size; idx++) {
9274 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
9275 link_config = bp->port.link_config[idx];
9276 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009277 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009278 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
9279 bp->link_params.req_line_speed[idx] =
9280 SPEED_AUTO_NEG;
9281 bp->port.advertising[idx] |=
9282 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009283 } else {
9284 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009285 bp->link_params.req_line_speed[idx] =
9286 SPEED_10000;
9287 bp->port.advertising[idx] |=
9288 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009289 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009290 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009291 }
9292 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009293
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009294 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009295 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
9296 bp->link_params.req_line_speed[idx] =
9297 SPEED_10;
9298 bp->port.advertising[idx] |=
9299 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009300 ADVERTISED_TP);
9301 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009302 BNX2X_ERR("NVRAM config error. "
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009303 "Invalid link_config 0x%x"
9304 " speed_cap_mask 0x%x\n",
9305 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009306 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009307 return;
9308 }
9309 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009310
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009311 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009312 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
9313 bp->link_params.req_line_speed[idx] =
9314 SPEED_10;
9315 bp->link_params.req_duplex[idx] =
9316 DUPLEX_HALF;
9317 bp->port.advertising[idx] |=
9318 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009319 ADVERTISED_TP);
9320 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009321 BNX2X_ERR("NVRAM config error. "
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009322 "Invalid link_config 0x%x"
9323 " speed_cap_mask 0x%x\n",
9324 link_config,
9325 bp->link_params.speed_cap_mask[idx]);
9326 return;
9327 }
9328 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009329
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009330 case PORT_FEATURE_LINK_SPEED_100M_FULL:
9331 if (bp->port.supported[idx] &
9332 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009333 bp->link_params.req_line_speed[idx] =
9334 SPEED_100;
9335 bp->port.advertising[idx] |=
9336 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009337 ADVERTISED_TP);
9338 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009339 BNX2X_ERR("NVRAM config error. "
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009340 "Invalid link_config 0x%x"
9341 " speed_cap_mask 0x%x\n",
9342 link_config,
9343 bp->link_params.speed_cap_mask[idx]);
9344 return;
9345 }
9346 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009347
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009348 case PORT_FEATURE_LINK_SPEED_100M_HALF:
9349 if (bp->port.supported[idx] &
9350 SUPPORTED_100baseT_Half) {
9351 bp->link_params.req_line_speed[idx] =
9352 SPEED_100;
9353 bp->link_params.req_duplex[idx] =
9354 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009355 bp->port.advertising[idx] |=
9356 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009357 ADVERTISED_TP);
9358 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009359 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009360 "Invalid link_config 0x%x"
9361 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009362 link_config,
9363 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009364 return;
9365 }
9366 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009367
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009368 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009369 if (bp->port.supported[idx] &
9370 SUPPORTED_1000baseT_Full) {
9371 bp->link_params.req_line_speed[idx] =
9372 SPEED_1000;
9373 bp->port.advertising[idx] |=
9374 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009375 ADVERTISED_TP);
9376 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009377 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009378 "Invalid link_config 0x%x"
9379 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009380 link_config,
9381 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009382 return;
9383 }
9384 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009385
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009386 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009387 if (bp->port.supported[idx] &
9388 SUPPORTED_2500baseX_Full) {
9389 bp->link_params.req_line_speed[idx] =
9390 SPEED_2500;
9391 bp->port.advertising[idx] |=
9392 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009393 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009394 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009395 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009396 "Invalid link_config 0x%x"
9397 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009398 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009399 bp->link_params.speed_cap_mask[idx]);
9400 return;
9401 }
9402 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009403
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009404 case PORT_FEATURE_LINK_SPEED_10G_CX4:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009405 if (bp->port.supported[idx] &
9406 SUPPORTED_10000baseT_Full) {
9407 bp->link_params.req_line_speed[idx] =
9408 SPEED_10000;
9409 bp->port.advertising[idx] |=
9410 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009411 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009412 } else {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009413 BNX2X_ERR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009414 "Invalid link_config 0x%x"
9415 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009416 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009417 bp->link_params.speed_cap_mask[idx]);
9418 return;
9419 }
9420 break;
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00009421 case PORT_FEATURE_LINK_SPEED_20G:
9422 bp->link_params.req_line_speed[idx] = SPEED_20000;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009423
Yaniv Rosner3c9ada22011-06-14 01:34:12 +00009424 break;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009425 default:
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009426 BNX2X_ERR("NVRAM config error. "
9427 "BAD link speed link_config 0x%x\n",
9428 link_config);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009429 bp->link_params.req_line_speed[idx] =
9430 SPEED_AUTO_NEG;
9431 bp->port.advertising[idx] =
9432 bp->port.supported[idx];
9433 break;
9434 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009435
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009436 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009437 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009438 if ((bp->link_params.req_flow_ctrl[idx] ==
9439 BNX2X_FLOW_CTRL_AUTO) &&
9440 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
9441 bp->link_params.req_flow_ctrl[idx] =
9442 BNX2X_FLOW_CTRL_NONE;
9443 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009444
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009445 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
9446 " 0x%x advertising 0x%x\n",
9447 bp->link_params.req_line_speed[idx],
9448 bp->link_params.req_duplex[idx],
9449 bp->link_params.req_flow_ctrl[idx],
9450 bp->port.advertising[idx]);
9451 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009452}
9453
Michael Chane665bfd2009-10-10 13:46:54 +00009454static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
9455{
9456 mac_hi = cpu_to_be16(mac_hi);
9457 mac_lo = cpu_to_be32(mac_lo);
9458 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
9459 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
9460}
9461
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009462static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009463{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009464 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00009465 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00009466 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009467
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009468 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009469 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009470
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009471 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009472 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009473
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009474 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009475 SHMEM_RD(bp,
9476 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009477 bp->link_params.speed_cap_mask[1] =
9478 SHMEM_RD(bp,
9479 dev_info.port_hw_config[port].speed_capability_mask2);
9480 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009481 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
9482
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009483 bp->port.link_config[1] =
9484 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00009485
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009486 bp->link_params.multi_phy_config =
9487 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00009488 /* If the device is capable of WoL, set the default state according
9489 * to the HW
9490 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00009491 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00009492 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
9493 (config & PORT_FEATURE_WOL_ENABLED));
9494
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009495 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009496 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009497 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009498 bp->link_params.speed_cap_mask[0],
9499 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009500
Yaniv Rosnera22f0782010-09-07 11:41:20 +00009501 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009502 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009503 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009504 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009505
9506 bnx2x_link_settings_requested(bp);
9507
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009508 /*
9509 * If connected directly, work with the internal PHY, otherwise, work
9510 * with the external PHY
9511 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009512 ext_phy_config =
9513 SHMEM_RD(bp,
9514 dev_info.port_hw_config[port].external_phy_config);
9515 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009516 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009517 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009518
9519 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
9520 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
9521 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00009522 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00009523
9524 /*
9525 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
9526 * In MF mode, it is set to cover self test cases
9527 */
9528 if (IS_MF(bp))
9529 bp->port.need_hw_lock = 1;
9530 else
9531 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
9532 bp->common.shmem_base,
9533 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009534}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009535
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009536void bnx2x_get_iscsi_info(struct bnx2x *bp)
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009537{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009538#ifdef BCM_CNIC
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009539 int port = BP_PORT(bp);
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009540
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009541 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009542 drv_lic_key[port].max_iscsi_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009543
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009544 /* Get the number of maximum allowed iSCSI connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009545 bp->cnic_eth_dev.max_iscsi_conn =
9546 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
9547 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
9548
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009549 BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
9550 bp->cnic_eth_dev.max_iscsi_conn);
9551
9552 /*
9553 * If maximum allowed number of connections is zero -
9554 * disable the feature.
9555 */
9556 if (!bp->cnic_eth_dev.max_iscsi_conn)
9557 bp->flags |= NO_ISCSI_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009558#else
9559 bp->flags |= NO_ISCSI_FLAG;
9560#endif
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009561}
9562
9563static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
9564{
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009565#ifdef BCM_CNIC
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009566 int port = BP_PORT(bp);
9567 int func = BP_ABS_FUNC(bp);
9568
9569 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
9570 drv_lic_key[port].max_fcoe_conn);
9571
9572 /* Get the number of maximum allowed FCoE connections */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009573 bp->cnic_eth_dev.max_fcoe_conn =
9574 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
9575 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
9576
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009577 /* Read the WWN: */
9578 if (!IS_MF(bp)) {
9579 /* Port info */
9580 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
9581 SHMEM_RD(bp,
9582 dev_info.port_hw_config[port].
9583 fcoe_wwn_port_name_upper);
9584 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
9585 SHMEM_RD(bp,
9586 dev_info.port_hw_config[port].
9587 fcoe_wwn_port_name_lower);
9588
9589 /* Node info */
9590 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
9591 SHMEM_RD(bp,
9592 dev_info.port_hw_config[port].
9593 fcoe_wwn_node_name_upper);
9594 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
9595 SHMEM_RD(bp,
9596 dev_info.port_hw_config[port].
9597 fcoe_wwn_node_name_lower);
9598 } else if (!IS_MF_SD(bp)) {
9599 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
9600
9601 /*
9602 * Read the WWN info only if the FCoE feature is enabled for
9603 * this function.
9604 */
9605 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
9606 /* Port info */
9607 bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
9608 MF_CFG_RD(bp, func_ext_config[func].
9609 fcoe_wwn_port_name_upper);
9610 bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
9611 MF_CFG_RD(bp, func_ext_config[func].
9612 fcoe_wwn_port_name_lower);
9613
9614 /* Node info */
9615 bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
9616 MF_CFG_RD(bp, func_ext_config[func].
9617 fcoe_wwn_node_name_upper);
9618 bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
9619 MF_CFG_RD(bp, func_ext_config[func].
9620 fcoe_wwn_node_name_lower);
9621 }
9622 }
9623
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009624 BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009625
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +00009626 /*
9627 * If maximum allowed number of connections is zero -
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009628 * disable the feature.
9629 */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009630 if (!bp->cnic_eth_dev.max_fcoe_conn)
9631 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov7185bb32011-12-08 08:04:07 +00009632#else
9633 bp->flags |= NO_FCOE_FLAG;
9634#endif
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009635}
Dmitry Kravkovb306f5e2011-11-13 04:34:24 +00009636
9637static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
9638{
9639 /*
9640 * iSCSI may be dynamically disabled but reading
9641 * info here we will decrease memory usage by driver
9642 * if the feature is disabled for good
9643 */
9644 bnx2x_get_iscsi_info(bp);
9645 bnx2x_get_fcoe_info(bp);
9646}
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009647
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009648static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
9649{
9650 u32 val, val2;
9651 int func = BP_ABS_FUNC(bp);
9652 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009653#ifdef BCM_CNIC
9654 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
9655 u8 *fip_mac = bp->fip_mac;
9656#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009657
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009658 /* Zero primary MAC configuration */
9659 memset(bp->dev->dev_addr, 0, ETH_ALEN);
9660
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009661 if (BP_NOMCP(bp)) {
9662 BNX2X_ERROR("warning: random MAC workaround active\n");
9663 random_ether_addr(bp->dev->dev_addr);
9664 } else if (IS_MF(bp)) {
9665 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
9666 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
9667 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
9668 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
9669 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
9670
9671#ifdef BCM_CNIC
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009672 /*
9673 * iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009674 * FCoE MAC then the appropriate feature should be disabled.
9675 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009676 if (IS_MF_SI(bp)) {
9677 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
9678 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
9679 val2 = MF_CFG_RD(bp, func_ext_config[func].
9680 iscsi_mac_addr_upper);
9681 val = MF_CFG_RD(bp, func_ext_config[func].
9682 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009683 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Joe Perches0f9dad12011-08-14 12:16:19 +00009684 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
9685 iscsi_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009686 } else
9687 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
9688
9689 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
9690 val2 = MF_CFG_RD(bp, func_ext_config[func].
9691 fcoe_mac_addr_upper);
9692 val = MF_CFG_RD(bp, func_ext_config[func].
9693 fcoe_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009694 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009695 BNX2X_DEV_INFO("Read FCoE L2 MAC: %pM\n",
Joe Perches0f9dad12011-08-14 12:16:19 +00009696 fip_mac);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009697
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009698 } else
9699 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009700 } else { /* SD mode */
9701 if (BNX2X_IS_MF_PROTOCOL_ISCSI(bp)) {
9702 /* use primary mac as iscsi mac */
9703 memcpy(iscsi_mac, bp->dev->dev_addr, ETH_ALEN);
9704 /* Zero primary MAC configuration */
9705 memset(bp->dev->dev_addr, 0, ETH_ALEN);
9706
9707 BNX2X_DEV_INFO("SD ISCSI MODE\n");
9708 BNX2X_DEV_INFO("Read iSCSI MAC: %pM\n",
9709 iscsi_mac);
9710 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009711 }
9712#endif
9713 } else {
9714 /* in SF read MACs from port configuration */
9715 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
9716 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
9717 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
9718
9719#ifdef BCM_CNIC
9720 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
9721 iscsi_mac_upper);
9722 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
9723 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009724 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +00009725
9726 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
9727 fcoe_fip_mac_upper);
9728 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
9729 fcoe_fip_mac_lower);
9730 bnx2x_set_mac_buf(fip_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009731#endif
9732 }
9733
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009734 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
9735 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00009736
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009737#ifdef BCM_CNIC
Vladislav Zolotarovc03bd392011-07-21 07:57:52 +00009738 /* Set the FCoE MAC in MF_SD mode */
9739 if (!CHIP_IS_E1x(bp) && IS_MF_SD(bp))
9740 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
Dmitry Kravkov426b9242011-05-04 23:49:53 +00009741
9742 /* Disable iSCSI if MAC configuration is
9743 * invalid.
9744 */
9745 if (!is_valid_ether_addr(iscsi_mac)) {
9746 bp->flags |= NO_ISCSI_FLAG;
9747 memset(iscsi_mac, 0, ETH_ALEN);
9748 }
9749
9750 /* Disable FCoE if MAC configuration is
9751 * invalid.
9752 */
9753 if (!is_valid_ether_addr(fip_mac)) {
9754 bp->flags |= NO_FCOE_FLAG;
9755 memset(bp->fip_mac, 0, ETH_ALEN);
9756 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009757#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009758
Dmitry Kravkov614c76d2011-11-28 12:31:49 +00009759 if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009760 dev_err(&bp->pdev->dev,
9761 "bad Ethernet MAC address configuration: "
Joe Perches0f9dad12011-08-14 12:16:19 +00009762 "%pM, change it manually before bringing up "
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009763 "the appropriate network interface\n",
Joe Perches0f9dad12011-08-14 12:16:19 +00009764 bp->dev->dev_addr);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009765}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009766
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009767static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
9768{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009769 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07009770 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009771 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009772 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009773
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009774 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009775
Ariel Elior6383c0b2011-07-14 08:31:57 +00009776 /*
9777 * initialize IGU parameters
9778 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009779 if (CHIP_IS_E1x(bp)) {
9780 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009781
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009782 bp->igu_dsb_id = DEF_SB_IGU_ID;
9783 bp->igu_base_sb = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009784 } else {
9785 bp->common.int_block = INT_BLOCK_IGU;
David S. Miller8decf862011-09-22 03:23:13 -04009786
9787 /* do not allow device reset during IGU info preocessing */
9788 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
9789
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009790 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009791
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009792 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009793 int tout = 5000;
9794
9795 BNX2X_DEV_INFO("FORCING Normal Mode\n");
9796
9797 val &= ~(IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN);
9798 REG_WR(bp, IGU_REG_BLOCK_CONFIGURATION, val);
9799 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x7f);
9800
9801 while (tout && REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
9802 tout--;
9803 usleep_range(1000, 1000);
9804 }
9805
9806 if (REG_RD(bp, IGU_REG_RESET_MEMORIES)) {
9807 dev_err(&bp->pdev->dev,
9808 "FORCING Normal Mode failed!!!\n");
9809 return -EPERM;
9810 }
9811 }
9812
9813 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
9814 BNX2X_DEV_INFO("IGU Backward Compatible Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009815 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
9816 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009817 BNX2X_DEV_INFO("IGU Normal Mode\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009818
9819 bnx2x_get_igu_cam_info(bp);
9820
David S. Miller8decf862011-09-22 03:23:13 -04009821 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009822 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009823
9824 /*
9825 * set base FW non-default (fast path) status block id, this value is
9826 * used to initialize the fw_sb_id saved on the fp/queue structure to
9827 * determine the id used by the FW.
9828 */
9829 if (CHIP_IS_E1x(bp))
9830 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x + BP_L_ID(bp);
9831 else /*
9832 * 57712 - we currently use one FW SB per IGU SB (Rx and Tx of
9833 * the same queue are indicated on the same IGU SB). So we prefer
9834 * FW and IGU SBs to be the same value.
9835 */
9836 bp->base_fw_ndsb = bp->igu_base_sb;
9837
9838 BNX2X_DEV_INFO("igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n"
9839 "base_fw_ndsb %d\n", bp->igu_dsb_id, bp->igu_base_sb,
9840 bp->igu_sb_cnt, bp->base_fw_ndsb);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009841
9842 /*
9843 * Initialize MF configuration
9844 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009845
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00009846 bp->mf_ov = 0;
9847 bp->mf_mode = 0;
David S. Miller8decf862011-09-22 03:23:13 -04009848 vn = BP_VN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009849
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009850 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009851 BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n",
9852 bp->common.shmem2_base, SHMEM2_RD(bp, size),
9853 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
9854
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009855 if (SHMEM2_HAS(bp, mf_cfg_addr))
9856 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
9857 else
9858 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009859 offsetof(struct shmem_region, func_mb) +
9860 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009861 /*
9862 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009863 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009864 * 2. MAC address must be legal (check only upper bytes)
9865 * for Switch-Independent mode;
9866 * OVLAN must be legal for Switch-Dependent mode
9867 * 3. SF_MODE configures specific MF mode
9868 */
9869 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
9870 /* get mf configuration */
9871 val = SHMEM_RD(bp,
9872 dev_info.shared_feature_config.config);
9873 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009874
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009875 switch (val) {
9876 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
9877 val = MF_CFG_RD(bp, func_mf_config[func].
9878 mac_upper);
9879 /* check for legal mac (upper bytes)*/
9880 if (val != 0xffff) {
9881 bp->mf_mode = MULTI_FUNCTION_SI;
9882 bp->mf_config[vn] = MF_CFG_RD(bp,
9883 func_mf_config[func].config);
9884 } else
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009885 BNX2X_DEV_INFO("illegal MAC address "
9886 "for SI\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009887 break;
9888 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
9889 /* get OV configuration */
9890 val = MF_CFG_RD(bp,
9891 func_mf_config[FUNC_0].e1hov_tag);
9892 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
9893
9894 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
9895 bp->mf_mode = MULTI_FUNCTION_SD;
9896 bp->mf_config[vn] = MF_CFG_RD(bp,
9897 func_mf_config[func].config);
9898 } else
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009899 BNX2X_DEV_INFO("illegal OV for SD\n");
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009900 break;
9901 default:
9902 /* Unknown configuration: reset mf_config */
9903 bp->mf_config[vn] = 0;
Dmitry Kravkov754a2f52011-06-14 01:34:02 +00009904 BNX2X_DEV_INFO("unkown MF mode 0x%x\n", val);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009905 }
9906 }
9907
Eilon Greenstein2691d512009-08-12 08:22:08 +00009908 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00009909 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00009910
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009911 switch (bp->mf_mode) {
9912 case MULTI_FUNCTION_SD:
9913 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
9914 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009915 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00009916 bp->mf_ov = val;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009917 bp->path_has_ovlan = true;
9918
9919 BNX2X_DEV_INFO("MF OV for func %d is %d "
9920 "(0x%04x)\n", func, bp->mf_ov,
9921 bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00009922 } else {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009923 dev_err(&bp->pdev->dev,
9924 "No valid MF OV for func %d, "
9925 "aborting\n", func);
9926 return -EPERM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009927 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009928 break;
9929 case MULTI_FUNCTION_SI:
9930 BNX2X_DEV_INFO("func %d is in MF "
9931 "switch-independent mode\n", func);
9932 break;
9933 default:
9934 if (vn) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009935 dev_err(&bp->pdev->dev,
9936 "VN %d is in a single function mode, "
9937 "aborting\n", vn);
9938 return -EPERM;
Eilon Greenstein2691d512009-08-12 08:22:08 +00009939 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009940 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009941 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009942
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009943 /* check if other port on the path needs ovlan:
9944 * Since MF configuration is shared between ports
9945 * Possible mixed modes are only
9946 * {SF, SI} {SF, SD} {SD, SF} {SI, SF}
9947 */
9948 if (CHIP_MODE_IS_4_PORT(bp) &&
9949 !bp->path_has_ovlan &&
9950 !IS_MF(bp) &&
9951 bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
9952 u8 other_port = !BP_PORT(bp);
9953 u8 other_func = BP_PATH(bp) + 2*other_port;
9954 val = MF_CFG_RD(bp,
9955 func_mf_config[other_func].e1hov_tag);
9956 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
9957 bp->path_has_ovlan = true;
9958 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009959 }
9960
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009961 /* adjust igu_sb_cnt to MF for E1x */
9962 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009963 bp->igu_sb_cnt /= E1HVN_MAX;
9964
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +03009965 /* port info */
9966 bnx2x_get_port_hwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009967
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08009968 /* Get MAC addresses */
9969 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009970
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009971 bnx2x_get_cnic_info(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00009972
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009973 return rc;
9974}
9975
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009976static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
9977{
9978 int cnt, i, block_end, rodi;
Barak Witkowskifcdf95c2011-12-14 00:14:53 +00009979 char vpd_start[BNX2X_VPD_LEN+1];
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009980 char str_id_reg[VENDOR_ID_LEN+1];
9981 char str_id_cap[VENDOR_ID_LEN+1];
Barak Witkowskifcdf95c2011-12-14 00:14:53 +00009982 char *vpd_data;
9983 char *vpd_extended_data = NULL;
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009984 u8 len;
9985
Barak Witkowskifcdf95c2011-12-14 00:14:53 +00009986 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_start);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009987 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
9988
9989 if (cnt < BNX2X_VPD_LEN)
9990 goto out_not_found;
9991
Barak Witkowskifcdf95c2011-12-14 00:14:53 +00009992 /* VPD RO tag should be first tag after identifier string, hence
9993 * we should be able to find it in first BNX2X_VPD_LEN chars
9994 */
9995 i = pci_vpd_find_tag(vpd_start, 0, BNX2X_VPD_LEN,
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00009996 PCI_VPD_LRDT_RO_DATA);
9997 if (i < 0)
9998 goto out_not_found;
9999
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010000 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010001 pci_vpd_lrdt_size(&vpd_start[i]);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010002
10003 i += PCI_VPD_LRDT_TAG_SIZE;
10004
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010005 if (block_end > BNX2X_VPD_LEN) {
10006 vpd_extended_data = kmalloc(block_end, GFP_KERNEL);
10007 if (vpd_extended_data == NULL)
10008 goto out_not_found;
10009
10010 /* read rest of vpd image into vpd_extended_data */
10011 memcpy(vpd_extended_data, vpd_start, BNX2X_VPD_LEN);
10012 cnt = pci_read_vpd(bp->pdev, BNX2X_VPD_LEN,
10013 block_end - BNX2X_VPD_LEN,
10014 vpd_extended_data + BNX2X_VPD_LEN);
10015 if (cnt < (block_end - BNX2X_VPD_LEN))
10016 goto out_not_found;
10017 vpd_data = vpd_extended_data;
10018 } else
10019 vpd_data = vpd_start;
10020
10021 /* now vpd_data holds full vpd content in both cases */
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010022
10023 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10024 PCI_VPD_RO_KEYWORD_MFR_ID);
10025 if (rodi < 0)
10026 goto out_not_found;
10027
10028 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10029
10030 if (len != VENDOR_ID_LEN)
10031 goto out_not_found;
10032
10033 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10034
10035 /* vendor specific info */
10036 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
10037 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
10038 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
10039 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
10040
10041 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
10042 PCI_VPD_RO_KEYWORD_VENDOR0);
10043 if (rodi >= 0) {
10044 len = pci_vpd_info_field_size(&vpd_data[rodi]);
10045
10046 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
10047
10048 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
10049 memcpy(bp->fw_ver, &vpd_data[rodi], len);
10050 bp->fw_ver[len] = ' ';
10051 }
10052 }
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010053 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010054 return;
10055 }
10056out_not_found:
Barak Witkowskifcdf95c2011-12-14 00:14:53 +000010057 kfree(vpd_extended_data);
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010058 return;
10059}
10060
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010061static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp)
10062{
10063 u32 flags = 0;
10064
10065 if (CHIP_REV_IS_FPGA(bp))
10066 SET_FLAGS(flags, MODE_FPGA);
10067 else if (CHIP_REV_IS_EMUL(bp))
10068 SET_FLAGS(flags, MODE_EMUL);
10069 else
10070 SET_FLAGS(flags, MODE_ASIC);
10071
10072 if (CHIP_MODE_IS_4_PORT(bp))
10073 SET_FLAGS(flags, MODE_PORT4);
10074 else
10075 SET_FLAGS(flags, MODE_PORT2);
10076
10077 if (CHIP_IS_E2(bp))
10078 SET_FLAGS(flags, MODE_E2);
10079 else if (CHIP_IS_E3(bp)) {
10080 SET_FLAGS(flags, MODE_E3);
10081 if (CHIP_REV(bp) == CHIP_REV_Ax)
10082 SET_FLAGS(flags, MODE_E3_A0);
Ariel Elior6383c0b2011-07-14 08:31:57 +000010083 else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
10084 SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010085 }
10086
10087 if (IS_MF(bp)) {
10088 SET_FLAGS(flags, MODE_MF);
10089 switch (bp->mf_mode) {
10090 case MULTI_FUNCTION_SD:
10091 SET_FLAGS(flags, MODE_MF_SD);
10092 break;
10093 case MULTI_FUNCTION_SI:
10094 SET_FLAGS(flags, MODE_MF_SI);
10095 break;
10096 }
10097 } else
10098 SET_FLAGS(flags, MODE_SF);
10099
10100#if defined(__LITTLE_ENDIAN)
10101 SET_FLAGS(flags, MODE_LITTLE_ENDIAN);
10102#else /*(__BIG_ENDIAN)*/
10103 SET_FLAGS(flags, MODE_BIG_ENDIAN);
10104#endif
10105 INIT_MODE_FLAGS(bp) = flags;
10106}
10107
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010108static int __devinit bnx2x_init_bp(struct bnx2x *bp)
10109{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010110 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +000010111 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010112 int rc;
10113
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010114 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -070010115 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -070010116 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +000010117#ifdef BCM_CNIC
10118 mutex_init(&bp->cnic_mutex);
10119#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010120
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010121 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Ariel Elior7be08a72011-07-14 08:31:19 +000010122 INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
Yaniv Rosner3deb8162011-06-14 01:34:33 +000010123 INIT_DELAYED_WORK(&bp->period_task, bnx2x_period_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010124 rc = bnx2x_get_hwinfo(bp);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010125 if (rc)
10126 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010127
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010128 bnx2x_set_modes_bitmap(bp);
10129
10130 rc = bnx2x_alloc_mem_bp(bp);
10131 if (rc)
10132 return rc;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010133
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +000010134 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010135
10136 func = BP_FUNC(bp);
10137
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010138 /* need to reset chip if undi was active */
10139 if (!BP_NOMCP(bp))
10140 bnx2x_undi_unload(bp);
10141
10142 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010143 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010144
10145 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010146 dev_err(&bp->pdev->dev, "MCP disabled, "
10147 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010148
Eilon Greenstein555f6c72009-02-12 08:36:11 +000010149 bp->multi_mode = multi_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +000010150
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010151 bp->disable_tpa = disable_tpa;
10152
10153#ifdef BCM_CNIC
10154 bp->disable_tpa |= IS_MF_ISCSI_SD(bp);
10155#endif
10156
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010157 /* Set TPA flags */
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010158 if (bp->disable_tpa) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010159 bp->flags &= ~TPA_ENABLE_FLAG;
10160 bp->dev->features &= ~NETIF_F_LRO;
10161 } else {
10162 bp->flags |= TPA_ENABLE_FLAG;
10163 bp->dev->features |= NETIF_F_LRO;
10164 }
10165
Eilon Greensteina18f5122009-08-12 08:23:26 +000010166 if (CHIP_IS_E1(bp))
10167 bp->dropless_fc = 0;
10168 else
10169 bp->dropless_fc = dropless_fc;
10170
Eilon Greenstein8d5726c2009-02-12 08:37:19 +000010171 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -070010172
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010173 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010174
Eilon Greenstein7d323bf2009-11-09 06:09:35 +000010175 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010176 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
10177 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010178
Eilon Greenstein87942b42009-02-12 08:36:49 +000010179 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
10180 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010181
10182 init_timer(&bp->timer);
10183 bp->timer.expires = jiffies + bp->current_interval;
10184 bp->timer.data = (unsigned long) bp;
10185 bp->timer.function = bnx2x_timer;
10186
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010187 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000010188 bnx2x_dcbx_init_params(bp);
10189
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010190#ifdef BCM_CNIC
10191 if (CHIP_IS_E1x(bp))
10192 bp->cnic_base_cl_id = FP_SB_MAX_E1x;
10193 else
10194 bp->cnic_base_cl_id = FP_SB_MAX_E2;
10195#endif
10196
Ariel Elior6383c0b2011-07-14 08:31:57 +000010197 /* multiple tx priority */
10198 if (CHIP_IS_E1x(bp))
10199 bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
10200 if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
10201 bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
10202 if (CHIP_IS_E3B0(bp))
10203 bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
10204
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010205 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010206}
10207
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010208
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010209/****************************************************************************
10210* General service functions
10211****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010212
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010213/*
10214 * net_device service functions
10215 */
10216
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010217/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010218static int bnx2x_open(struct net_device *dev)
10219{
10220 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010221 bool global = false;
10222 int other_engine = BP_PATH(bp) ? 0 : 1;
Ariel Elior889b9af2012-01-26 06:01:51 +000010223 bool other_load_status, load_status;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010224
Eilon Greenstein6eccabb2009-01-22 03:37:48 +000010225 netif_carrier_off(dev);
10226
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010227 bnx2x_set_power_state(bp, PCI_D0);
10228
Ariel Elior889b9af2012-01-26 06:01:51 +000010229 other_load_status = bnx2x_get_load_status(bp, other_engine);
10230 load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010231
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010232 /*
10233 * If parity had happen during the unload, then attentions
10234 * and/or RECOVERY_IN_PROGRES may still be set. In this case we
10235 * want the first function loaded on the current engine to
10236 * complete the recovery.
10237 */
10238 if (!bnx2x_reset_is_done(bp, BP_PATH(bp)) ||
10239 bnx2x_chk_parity_attn(bp, &global, true))
10240 do {
10241 /*
10242 * If there are attentions and they are in a global
10243 * blocks, set the GLOBAL_RESET bit regardless whether
10244 * it will be this function that will complete the
10245 * recovery or not.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010246 */
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010247 if (global)
10248 bnx2x_set_reset_global(bp);
10249
10250 /*
10251 * Only the first function on the current engine should
10252 * try to recover in open. In case of attentions in
10253 * global blocks only the first in the chip should try
10254 * to recover.
10255 */
Ariel Elior889b9af2012-01-26 06:01:51 +000010256 if ((!load_status &&
10257 (!global || !other_load_status)) &&
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010258 bnx2x_trylock_leader_lock(bp) &&
10259 !bnx2x_leader_reset(bp)) {
10260 netdev_info(bp->dev, "Recovered in open\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010261 break;
10262 }
10263
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010264 /* recovery has failed... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010265 bnx2x_set_power_state(bp, PCI_D3hot);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010266 bp->recovery_state = BNX2X_RECOVERY_FAILED;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010267
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010268 netdev_err(bp->dev, "Recovery flow hasn't been properly"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010269 " completed yet. Try again later. If u still see this"
10270 " message after a few retries then power cycle is"
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010271 " required.\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010272
10273 return -EAGAIN;
10274 } while (0);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010275
10276 bp->recovery_state = BNX2X_RECOVERY_DONE;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010277 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010278}
10279
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010280/* called with rtnl_lock */
Ariel Elior83048592011-11-13 04:34:29 +000010281int bnx2x_close(struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010282{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010283 struct bnx2x *bp = netdev_priv(dev);
10284
10285 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -070010286 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovc9ee9202011-06-14 01:33:51 +000010287
10288 /* Power off */
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +000010289 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010290
10291 return 0;
10292}
10293
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010294static inline int bnx2x_init_mcast_macs_list(struct bnx2x *bp,
10295 struct bnx2x_mcast_ramrod_params *p)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010296{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010297 int mc_count = netdev_mc_count(bp->dev);
10298 struct bnx2x_mcast_list_elem *mc_mac =
10299 kzalloc(sizeof(*mc_mac) * mc_count, GFP_ATOMIC);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010300 struct netdev_hw_addr *ha;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010301
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010302 if (!mc_mac)
10303 return -ENOMEM;
10304
10305 INIT_LIST_HEAD(&p->mcast_list);
10306
10307 netdev_for_each_mc_addr(ha, bp->dev) {
10308 mc_mac->mac = bnx2x_mc_addr(ha);
10309 list_add_tail(&mc_mac->link, &p->mcast_list);
10310 mc_mac++;
10311 }
10312
10313 p->mcast_list_len = mc_count;
10314
10315 return 0;
10316}
10317
10318static inline void bnx2x_free_mcast_macs_list(
10319 struct bnx2x_mcast_ramrod_params *p)
10320{
10321 struct bnx2x_mcast_list_elem *mc_mac =
10322 list_first_entry(&p->mcast_list, struct bnx2x_mcast_list_elem,
10323 link);
10324
10325 WARN_ON(!mc_mac);
10326 kfree(mc_mac);
10327}
10328
10329/**
10330 * bnx2x_set_uc_list - configure a new unicast MACs list.
10331 *
10332 * @bp: driver handle
10333 *
10334 * We will use zero (0) as a MAC type for these MACs.
10335 */
10336static inline int bnx2x_set_uc_list(struct bnx2x *bp)
10337{
10338 int rc;
10339 struct net_device *dev = bp->dev;
10340 struct netdev_hw_addr *ha;
10341 struct bnx2x_vlan_mac_obj *mac_obj = &bp->fp->mac_obj;
10342 unsigned long ramrod_flags = 0;
10343
10344 /* First schedule a cleanup up of old configuration */
10345 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, false);
10346 if (rc < 0) {
10347 BNX2X_ERR("Failed to schedule DELETE operations: %d\n", rc);
10348 return rc;
10349 }
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010350
10351 netdev_for_each_uc_addr(ha, dev) {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010352 rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true,
10353 BNX2X_UC_LIST_MAC, &ramrod_flags);
10354 if (rc < 0) {
10355 BNX2X_ERR("Failed to schedule ADD operations: %d\n",
10356 rc);
10357 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010358 }
10359 }
10360
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010361 /* Execute the pending commands */
10362 __set_bit(RAMROD_CONT, &ramrod_flags);
10363 return bnx2x_set_mac_one(bp, NULL, mac_obj, false /* don't care */,
10364 BNX2X_UC_LIST_MAC, &ramrod_flags);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010365}
10366
10367static inline int bnx2x_set_mc_list(struct bnx2x *bp)
10368{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010369 struct net_device *dev = bp->dev;
10370 struct bnx2x_mcast_ramrod_params rparam = {0};
10371 int rc = 0;
10372
10373 rparam.mcast_obj = &bp->mcast_obj;
10374
10375 /* first, clear all configured multicast MACs */
10376 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL);
10377 if (rc < 0) {
10378 BNX2X_ERR("Failed to clear multicast "
10379 "configuration: %d\n", rc);
10380 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010381 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010382
10383 /* then, configure a new MACs list */
10384 if (netdev_mc_count(dev)) {
10385 rc = bnx2x_init_mcast_macs_list(bp, &rparam);
10386 if (rc) {
10387 BNX2X_ERR("Failed to create multicast MACs "
10388 "list: %d\n", rc);
10389 return rc;
10390 }
10391
10392 /* Now add the new MACs */
10393 rc = bnx2x_config_mcast(bp, &rparam,
10394 BNX2X_MCAST_CMD_ADD);
10395 if (rc < 0)
10396 BNX2X_ERR("Failed to set a new multicast "
10397 "configuration: %d\n", rc);
10398
10399 bnx2x_free_mcast_macs_list(&rparam);
10400 }
10401
10402 return rc;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010403}
10404
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010405
10406/* If bp->state is OPEN, should be called with netif_addr_lock_bh() */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010407void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010408{
10409 struct bnx2x *bp = netdev_priv(dev);
10410 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010411
10412 if (bp->state != BNX2X_STATE_OPEN) {
10413 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
10414 return;
10415 }
10416
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010417 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", bp->dev->flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010418
10419 if (dev->flags & IFF_PROMISC)
10420 rx_mode = BNX2X_RX_MODE_PROMISC;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010421 else if ((dev->flags & IFF_ALLMULTI) ||
10422 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
10423 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010424 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010425 else {
10426 /* some multicasts */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010427 if (bnx2x_set_mc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010428 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010429
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010430 if (bnx2x_set_uc_list(bp) < 0)
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010431 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010432 }
10433
10434 bp->rx_mode = rx_mode;
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010435#ifdef BCM_CNIC
10436 /* handle ISCSI SD mode */
10437 if (IS_MF_ISCSI_SD(bp))
10438 bp->rx_mode = BNX2X_RX_MODE_NONE;
10439#endif
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010440
10441 /* Schedule the rx_mode command */
10442 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state)) {
10443 set_bit(BNX2X_FILTER_RX_MODE_SCHED, &bp->sp_state);
10444 return;
10445 }
10446
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010447 bnx2x_set_storm_rx_mode(bp);
10448}
10449
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010450/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010451static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
10452 int devad, u16 addr)
10453{
10454 struct bnx2x *bp = netdev_priv(netdev);
10455 u16 value;
10456 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010457
10458 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
10459 prtad, devad, addr);
10460
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010461 /* The HW expects different devad if CL22 is used */
10462 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
10463
10464 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010465 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010466 bnx2x_release_phy_lock(bp);
10467 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
10468
10469 if (!rc)
10470 rc = value;
10471 return rc;
10472}
10473
10474/* called with rtnl_lock */
10475static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
10476 u16 addr, u16 value)
10477{
10478 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010479 int rc;
10480
10481 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
10482 " value 0x%x\n", prtad, devad, addr, value);
10483
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010484 /* The HW expects different devad if CL22 is used */
10485 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
10486
10487 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +000010488 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010489 bnx2x_release_phy_lock(bp);
10490 return rc;
10491}
10492
10493/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010494static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10495{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010496 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010497 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010498
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010499 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
10500 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010501
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010502 if (!netif_running(dev))
10503 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070010504
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010505 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010506}
10507
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000010508#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010509static void poll_bnx2x(struct net_device *dev)
10510{
10511 struct bnx2x *bp = netdev_priv(dev);
10512
10513 disable_irq(bp->pdev->irq);
10514 bnx2x_interrupt(bp->pdev->irq, dev);
10515 enable_irq(bp->pdev->irq);
10516}
10517#endif
10518
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010519static int bnx2x_validate_addr(struct net_device *dev)
10520{
10521 struct bnx2x *bp = netdev_priv(dev);
10522
10523 if (!bnx2x_is_valid_ether_addr(bp, dev->dev_addr))
10524 return -EADDRNOTAVAIL;
10525 return 0;
10526}
10527
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010528static const struct net_device_ops bnx2x_netdev_ops = {
10529 .ndo_open = bnx2x_open,
10530 .ndo_stop = bnx2x_close,
10531 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +000010532 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010533 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010534 .ndo_set_mac_address = bnx2x_change_mac_addr,
Dmitry Kravkov614c76d2011-11-28 12:31:49 +000010535 .ndo_validate_addr = bnx2x_validate_addr,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010536 .ndo_do_ioctl = bnx2x_ioctl,
10537 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +000010538 .ndo_fix_features = bnx2x_fix_features,
10539 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010540 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +000010541#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010542 .ndo_poll_controller = poll_bnx2x,
10543#endif
Ariel Elior6383c0b2011-07-14 08:31:57 +000010544 .ndo_setup_tc = bnx2x_setup_tc,
10545
Vladislav Zolotarovbf61ee12011-07-21 07:56:51 +000010546#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
10547 .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
10548#endif
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010549};
10550
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010551static inline int bnx2x_set_coherency_mask(struct bnx2x *bp)
10552{
10553 struct device *dev = &bp->pdev->dev;
10554
10555 if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
10556 bp->flags |= USING_DAC_FLAG;
10557 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
10558 dev_err(dev, "dma_set_coherent_mask failed, "
10559 "aborting\n");
10560 return -EIO;
10561 }
10562 } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
10563 dev_err(dev, "System does not support DMA, aborting\n");
10564 return -EIO;
10565 }
10566
10567 return 0;
10568}
10569
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010570static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010571 struct net_device *dev,
10572 unsigned long board_type)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010573{
10574 struct bnx2x *bp;
10575 int rc;
Ariel Eliorc22610d02012-01-26 06:01:47 +000010576 u32 pci_cfg_dword;
Ariel Elior65087cf2012-01-23 07:31:55 +000010577 bool chip_is_e1x = (board_type == BCM57710 ||
10578 board_type == BCM57711 ||
10579 board_type == BCM57711E);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010580
10581 SET_NETDEV_DEV(dev, &pdev->dev);
10582 bp = netdev_priv(dev);
10583
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010584 bp->dev = dev;
10585 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010586 bp->flags = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010587
10588 rc = pci_enable_device(pdev);
10589 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010590 dev_err(&bp->pdev->dev,
10591 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010592 goto err_out;
10593 }
10594
10595 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010596 dev_err(&bp->pdev->dev,
10597 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010598 rc = -ENODEV;
10599 goto err_out_disable;
10600 }
10601
10602 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010603 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
10604 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010605 rc = -ENODEV;
10606 goto err_out_disable;
10607 }
10608
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010609 if (atomic_read(&pdev->enable_cnt) == 1) {
10610 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10611 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010612 dev_err(&bp->pdev->dev,
10613 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010614 goto err_out_disable;
10615 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010616
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010617 pci_set_master(pdev);
10618 pci_save_state(pdev);
10619 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010620
10621 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10622 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010623 dev_err(&bp->pdev->dev,
10624 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010625 rc = -EIO;
10626 goto err_out_release;
10627 }
10628
Jon Mason77c98e62011-06-27 07:45:12 +000010629 if (!pci_is_pcie(pdev)) {
10630 dev_err(&bp->pdev->dev, "Not PCI Express, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010631 rc = -EIO;
10632 goto err_out_release;
10633 }
10634
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010635 rc = bnx2x_set_coherency_mask(bp);
10636 if (rc)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010637 goto err_out_release;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010638
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010639 dev->mem_start = pci_resource_start(pdev, 0);
10640 dev->base_addr = dev->mem_start;
10641 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010642
10643 dev->irq = pdev->irq;
10644
Arjan van de Ven275f1652008-10-20 21:42:39 -070010645 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010646 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010647 dev_err(&bp->pdev->dev,
10648 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010649 rc = -ENOMEM;
10650 goto err_out_release;
10651 }
10652
Ariel Eliorc22610d02012-01-26 06:01:47 +000010653 /* In E1/E1H use pci device function given by kernel.
10654 * In E2/E3 read physical function from ME register since these chips
10655 * support Physical Device Assignment where kernel BDF maybe arbitrary
10656 * (depending on hypervisor).
10657 */
10658 if (chip_is_e1x)
10659 bp->pf_num = PCI_FUNC(pdev->devfn);
10660 else {/* chip is E2/3*/
10661 pci_read_config_dword(bp->pdev,
10662 PCICFG_ME_REGISTER, &pci_cfg_dword);
10663 bp->pf_num = (u8)((pci_cfg_dword & ME_REG_ABS_PF_NUM) >>
10664 ME_REG_ABS_PF_NUM_SHIFT);
10665 }
10666 DP(BNX2X_MSG_SP, "me reg PF num: %d\n", bp->pf_num);
10667
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010668 bnx2x_set_power_state(bp, PCI_D0);
10669
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010670 /* clean indirect addresses */
10671 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10672 PCICFG_VENDOR_ID_OFFSET);
David S. Miller8decf862011-09-22 03:23:13 -040010673 /*
10674 * Clean the following indirect addresses for all functions since it
David S. Miller823dcd22011-08-20 10:39:12 -070010675 * is not used by the driver.
10676 */
10677 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0);
10678 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0);
10679 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0);
10680 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0);
David S. Miller8decf862011-09-22 03:23:13 -040010681
Ariel Elior65087cf2012-01-23 07:31:55 +000010682 if (chip_is_e1x) {
David S. Miller8decf862011-09-22 03:23:13 -040010683 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0);
10684 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0);
10685 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0);
10686 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0);
10687 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010688
Shmulik Ravid21894002011-07-24 03:57:04 +000010689 /*
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010690 * Enable internal target-read (in case we are probed after PF FLR).
Shmulik Ravid21894002011-07-24 03:57:04 +000010691 * Must be done prior to any BAR read access. Only for 57712 and up
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010692 */
Ariel Elior65087cf2012-01-23 07:31:55 +000010693 if (!chip_is_e1x)
Shmulik Ravid21894002011-07-24 03:57:04 +000010694 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010695
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010696 /* Reset the load counter */
Ariel Elior889b9af2012-01-26 06:01:51 +000010697 bnx2x_clear_load_status(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010698
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010699 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010700
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010701 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +000010702 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +000010703
Jiri Pirko01789342011-08-16 06:29:00 +000010704 dev->priv_flags |= IFF_UNICAST_FLT;
10705
Michał Mirosław66371c42011-04-12 09:38:23 +000010706 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
Michal Schmidt6e68c912011-08-23 06:15:32 +000010707 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_LRO |
10708 NETIF_F_RXCSUM | NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX;
Michał Mirosław66371c42011-04-12 09:38:23 +000010709
10710 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
10711 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
10712
10713 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010714 if (bp->flags & USING_DAC_FLAG)
10715 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010716
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +000010717 /* Add Loopback capability to the device */
10718 dev->hw_features |= NETIF_F_LOOPBACK;
10719
Shmulik Ravid98507672011-02-28 12:19:55 -080010720#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +000010721 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
10722#endif
10723
Eilon Greenstein01cd4522009-08-12 08:23:08 +000010724 /* get_port_hwinfo() will set prtad and mmds properly */
10725 bp->mdio.prtad = MDIO_PRTAD_NONE;
10726 bp->mdio.mmds = 0;
10727 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
10728 bp->mdio.dev = dev;
10729 bp->mdio.mdio_read = bnx2x_mdio_read;
10730 bp->mdio.mdio_write = bnx2x_mdio_write;
10731
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010732 return 0;
10733
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010734err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010735 if (atomic_read(&pdev->enable_cnt) == 1)
10736 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010737
10738err_out_disable:
10739 pci_disable_device(pdev);
10740 pci_set_drvdata(pdev, NULL);
10741
10742err_out:
10743 return rc;
10744}
10745
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010746static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
10747 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -080010748{
10749 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10750
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010751 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10752
10753 /* return value of 1=2.5GHz 2=5GHz */
10754 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -080010755}
10756
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000010757static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010758{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010759 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010760 struct bnx2x_fw_file_hdr *fw_hdr;
10761 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010762 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010763 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010764 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000010765 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010766
10767 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
10768 return -EINVAL;
10769
10770 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
10771 sections = (struct bnx2x_fw_file_section *)fw_hdr;
10772
10773 /* Make sure none of the offsets and sizes make us read beyond
10774 * the end of the firmware data */
10775 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
10776 offset = be32_to_cpu(sections[i].offset);
10777 len = be32_to_cpu(sections[i].len);
10778 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010779 dev_err(&bp->pdev->dev,
10780 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010781 return -EINVAL;
10782 }
10783 }
10784
10785 /* Likewise for the init_ops offsets */
10786 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
10787 ops_offsets = (u16 *)(firmware->data + offset);
10788 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
10789
10790 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
10791 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010792 dev_err(&bp->pdev->dev,
10793 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010794 return -EINVAL;
10795 }
10796 }
10797
10798 /* Check FW version */
10799 offset = be32_to_cpu(fw_hdr->fw_version.offset);
10800 fw_ver = firmware->data + offset;
10801 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
10802 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
10803 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
10804 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010805 dev_err(&bp->pdev->dev,
10806 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010807 fw_ver[0], fw_ver[1], fw_ver[2],
10808 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
10809 BCM_5710_FW_MINOR_VERSION,
10810 BCM_5710_FW_REVISION_VERSION,
10811 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010812 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010813 }
10814
10815 return 0;
10816}
10817
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010818static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010819{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010820 const __be32 *source = (const __be32 *)_source;
10821 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010822 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010823
10824 for (i = 0; i < n/4; i++)
10825 target[i] = be32_to_cpu(source[i]);
10826}
10827
10828/*
10829 Ops array is stored in the following format:
10830 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
10831 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010832static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010833{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010834 const __be32 *source = (const __be32 *)_source;
10835 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010836 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010837
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010838 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010839 tmp = be32_to_cpu(source[j]);
10840 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000010841 target[i].offset = tmp & 0xffffff;
10842 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010843 }
10844}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010845
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010846/**
10847 * IRO array is stored in the following format:
10848 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
10849 */
10850static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
10851{
10852 const __be32 *source = (const __be32 *)_source;
10853 struct iro *target = (struct iro *)_target;
10854 u32 i, j, tmp;
10855
10856 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
10857 target[i].base = be32_to_cpu(source[j]);
10858 j++;
10859 tmp = be32_to_cpu(source[j]);
10860 target[i].m1 = (tmp >> 16) & 0xffff;
10861 target[i].m2 = tmp & 0xffff;
10862 j++;
10863 tmp = be32_to_cpu(source[j]);
10864 target[i].m3 = (tmp >> 16) & 0xffff;
10865 target[i].size = tmp & 0xffff;
10866 j++;
10867 }
10868}
10869
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010870static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010871{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010872 const __be16 *source = (const __be16 *)_source;
10873 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010874 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010875
10876 for (i = 0; i < n/2; i++)
10877 target[i] = be16_to_cpu(source[i]);
10878}
10879
Joe Perches7995c642010-02-17 15:01:52 +000010880#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
10881do { \
10882 u32 len = be32_to_cpu(fw_hdr->arr.len); \
10883 bp->arr = kmalloc(len, GFP_KERNEL); \
10884 if (!bp->arr) { \
10885 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
10886 goto lbl; \
10887 } \
10888 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
10889 (u8 *)bp->arr, len); \
10890} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010891
Dmitry Kravkov6891dd22010-08-03 21:49:40 +000010892int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010893{
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010894 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +000010895 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010896
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010897
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010898 if (!bp->firmware) {
10899 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010900
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010901 if (CHIP_IS_E1(bp))
10902 fw_file_name = FW_FILE_NAME_E1;
10903 else if (CHIP_IS_E1H(bp))
10904 fw_file_name = FW_FILE_NAME_E1H;
10905 else if (!CHIP_IS_E1x(bp))
10906 fw_file_name = FW_FILE_NAME_E2;
10907 else {
10908 BNX2X_ERR("Unsupported chip revision\n");
10909 return -EINVAL;
10910 }
10911 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010912
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010913 rc = request_firmware(&bp->firmware, fw_file_name,
10914 &bp->pdev->dev);
10915 if (rc) {
10916 BNX2X_ERR("Can't load firmware file %s\n",
10917 fw_file_name);
10918 goto request_firmware_exit;
10919 }
10920
10921 rc = bnx2x_check_firmware(bp);
10922 if (rc) {
10923 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
10924 goto request_firmware_exit;
10925 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010926 }
10927
10928 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
10929
10930 /* Initialize the pointers to the init arrays */
10931 /* Blob */
10932 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
10933
10934 /* Opcodes */
10935 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
10936
10937 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010938 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
10939 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010940
10941 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +000010942 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10943 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
10944 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
10945 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
10946 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10947 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
10948 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
10949 be32_to_cpu(fw_hdr->usem_pram_data.offset);
10950 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10951 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
10952 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
10953 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
10954 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
10955 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
10956 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
10957 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010958 /* IRO */
10959 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010960
10961 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +000010962
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010963iro_alloc_err:
10964 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010965init_offsets_alloc_err:
10966 kfree(bp->init_ops);
10967init_ops_alloc_err:
10968 kfree(bp->init_data);
10969request_firmware_exit:
10970 release_firmware(bp->firmware);
10971
10972 return rc;
10973}
10974
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010975static void bnx2x_release_firmware(struct bnx2x *bp)
10976{
10977 kfree(bp->init_ops_offsets);
10978 kfree(bp->init_ops);
10979 kfree(bp->init_data);
10980 release_firmware(bp->firmware);
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000010981 bp->firmware = NULL;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030010982}
10983
10984
10985static struct bnx2x_func_sp_drv_ops bnx2x_func_sp_drv = {
10986 .init_hw_cmn_chip = bnx2x_init_hw_common_chip,
10987 .init_hw_cmn = bnx2x_init_hw_common,
10988 .init_hw_port = bnx2x_init_hw_port,
10989 .init_hw_func = bnx2x_init_hw_func,
10990
10991 .reset_hw_cmn = bnx2x_reset_common,
10992 .reset_hw_port = bnx2x_reset_port,
10993 .reset_hw_func = bnx2x_reset_func,
10994
10995 .gunzip_init = bnx2x_gunzip_init,
10996 .gunzip_end = bnx2x_gunzip_end,
10997
10998 .init_fw = bnx2x_init_firmware,
10999 .release_fw = bnx2x_release_firmware,
11000};
11001
11002void bnx2x__init_func_obj(struct bnx2x *bp)
11003{
11004 /* Prepare DMAE related driver resources */
11005 bnx2x_setup_dmae(bp);
11006
11007 bnx2x_init_func_obj(bp, &bp->func_obj,
11008 bnx2x_sp(bp, func_rdata),
11009 bnx2x_sp_mapping(bp, func_rdata),
11010 &bnx2x_func_sp_drv);
11011}
11012
11013/* must be called after sriov-enable */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011014static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011015{
Ariel Elior6383c0b2011-07-14 08:31:57 +000011016 int cid_count = BNX2X_L2_CID_COUNT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070011017
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011018#ifdef BCM_CNIC
11019 cid_count += CNIC_CID_MAX;
11020#endif
11021 return roundup(cid_count, QM_CID_ROUND);
11022}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011023
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011024/**
Ariel Elior6383c0b2011-07-14 08:31:57 +000011025 * bnx2x_get_num_none_def_sbs - return the number of none default SBs
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011026 *
11027 * @dev: pci device
11028 *
11029 */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011030static inline int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011031{
11032 int pos;
11033 u16 control;
11034
11035 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011036
Ariel Elior6383c0b2011-07-14 08:31:57 +000011037 /*
11038 * If MSI-X is not supported - return number of SBs needed to support
11039 * one fast path queue: one FP queue + SB for CNIC
11040 */
11041 if (!pos)
11042 return 1 + CNIC_PRESENT;
11043
11044 /*
11045 * The value in the PCI configuration space is the index of the last
11046 * entry, namely one less than the actual size of the table, which is
11047 * exactly what we want to return from this function: number of all SBs
11048 * without the default SB.
11049 */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011050 pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011051 return control & PCI_MSIX_FLAGS_QSIZE;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011052}
11053
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011054static int __devinit bnx2x_init_one(struct pci_dev *pdev,
11055 const struct pci_device_id *ent)
11056{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011057 struct net_device *dev = NULL;
11058 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011059 int pcie_width, pcie_speed;
Ariel Elior6383c0b2011-07-14 08:31:57 +000011060 int rc, max_non_def_sbs;
11061 int rx_count, tx_count, rss_count;
11062 /*
11063 * An estimated maximum supported CoS number according to the chip
11064 * version.
11065 * We will try to roughly estimate the maximum number of CoSes this chip
11066 * may support in order to minimize the memory allocated for Tx
11067 * netdev_queue's. This number will be accurately calculated during the
11068 * initialization of bp->max_cos based on the chip versions AND chip
11069 * revision in the bnx2x_init_bp().
11070 */
11071 u8 max_cos_est = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011072
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011073 switch (ent->driver_data) {
11074 case BCM57710:
11075 case BCM57711:
11076 case BCM57711E:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011077 max_cos_est = BNX2X_MULTI_TX_COS_E1X;
11078 break;
11079
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011080 case BCM57712:
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011081 case BCM57712_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011082 max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
11083 break;
11084
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011085 case BCM57800:
11086 case BCM57800_MF:
11087 case BCM57810:
11088 case BCM57810_MF:
11089 case BCM57840:
11090 case BCM57840_MF:
Ariel Elior6383c0b2011-07-14 08:31:57 +000011091 max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011092 break;
11093
11094 default:
11095 pr_err("Unknown board_type (%ld), aborting\n",
11096 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +000011097 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011098 }
11099
Ariel Elior6383c0b2011-07-14 08:31:57 +000011100 max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev);
11101
11102 /* !!! FIXME !!!
11103 * Do not allow the maximum SB count to grow above 16
11104 * since Special CIDs starts from 16*BNX2X_MULTI_TX_COS=48.
11105 * We will use the FP_SB_MAX_E1x macro for this matter.
11106 */
11107 max_non_def_sbs = min_t(int, FP_SB_MAX_E1x, max_non_def_sbs);
11108
11109 WARN_ON(!max_non_def_sbs);
11110
11111 /* Maximum number of RSS queues: one IGU SB goes to CNIC */
11112 rss_count = max_non_def_sbs - CNIC_PRESENT;
11113
11114 /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
11115 rx_count = rss_count + FCOE_PRESENT;
11116
11117 /*
11118 * Maximum number of netdev Tx queues:
11119 * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
11120 */
11121 tx_count = MAX_TXQS_PER_COS * max_cos_est + FCOE_PRESENT;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011122
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011123 /* dev zeroed in init_etherdev */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011124 dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011125 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011126 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011127 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011128 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011129
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011130 bp = netdev_priv(dev);
Ariel Elior6383c0b2011-07-14 08:31:57 +000011131
11132 DP(NETIF_MSG_DRV, "Allocated netdev with %d tx and %d rx queues\n",
11133 tx_count, rx_count);
11134
11135 bp->igu_sb_cnt = max_non_def_sbs;
Joe Perches7995c642010-02-17 15:01:52 +000011136 bp->msg_enable = debug;
Eilon Greensteindf4770de2009-08-12 08:23:28 +000011137 pci_set_drvdata(pdev, dev);
11138
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011139 rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011140 if (rc < 0) {
11141 free_netdev(dev);
11142 return rc;
11143 }
11144
Joe Perches94f05b02011-08-14 12:16:20 +000011145 DP(NETIF_MSG_DRV, "max_non_def_sbs %d\n", max_non_def_sbs);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011146
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011147 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +000011148 if (rc)
11149 goto init_one_exit;
11150
Ariel Elior6383c0b2011-07-14 08:31:57 +000011151 /*
11152 * Map doorbels here as we need the real value of bp->max_cos which
11153 * is initialized in bnx2x_init_bp().
11154 */
11155 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
11156 min_t(u64, BNX2X_DB_SIZE(bp),
11157 pci_resource_len(pdev, 2)));
11158 if (!bp->doorbells) {
11159 dev_err(&bp->pdev->dev,
11160 "Cannot map doorbell space, aborting\n");
11161 rc = -ENOMEM;
11162 goto init_one_exit;
11163 }
11164
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011165 /* calc qm_cid_count */
Ariel Elior6383c0b2011-07-14 08:31:57 +000011166 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011167
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011168#ifdef BCM_CNIC
Dmitry Kravkov62ac0dc2011-11-13 04:34:21 +000011169 /* disable FCOE L2 queue for E1x */
11170 if (CHIP_IS_E1x(bp))
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011171 bp->flags |= NO_FCOE_FLAG;
11172
11173#endif
11174
Lucas De Marchi25985ed2011-03-30 22:57:33 -030011175 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011176 * needed, set bp->num_queues appropriately.
11177 */
11178 bnx2x_set_int_mode(bp);
11179
11180 /* Add all NAPI objects */
11181 bnx2x_add_all_napi(bp);
11182
Vladislav Zolotarovb3400072010-11-24 11:09:50 -080011183 rc = register_netdev(dev);
11184 if (rc) {
11185 dev_err(&pdev->dev, "Cannot register net device\n");
11186 goto init_one_exit;
11187 }
11188
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011189#ifdef BCM_CNIC
11190 if (!NO_FCOE(bp)) {
11191 /* Add storage MAC address */
11192 rtnl_lock();
11193 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11194 rtnl_unlock();
11195 }
11196#endif
11197
Eilon Greenstein37f9ce62009-08-12 08:23:34 +000011198 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011199
Joe Perches94f05b02011-08-14 12:16:20 +000011200 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx, IRQ %d, node addr %pM\n",
11201 board_info[ent->driver_data].name,
11202 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
11203 pcie_width,
11204 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
11205 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
11206 "5GHz (Gen2)" : "2.5GHz",
11207 dev->base_addr, bp->pdev->irq, dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +000011208
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011209 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011210
11211init_one_exit:
11212 if (bp->regview)
11213 iounmap(bp->regview);
11214
11215 if (bp->doorbells)
11216 iounmap(bp->doorbells);
11217
11218 free_netdev(dev);
11219
11220 if (atomic_read(&pdev->enable_cnt) == 1)
11221 pci_release_regions(pdev);
11222
11223 pci_disable_device(pdev);
11224 pci_set_drvdata(pdev, NULL);
11225
11226 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011227}
11228
11229static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
11230{
11231 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080011232 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011233
Eliezer Tamir228241e2008-02-28 11:56:57 -080011234 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +000011235 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -080011236 return;
11237 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080011238 bp = netdev_priv(dev);
11239
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011240#ifdef BCM_CNIC
11241 /* Delete storage MAC address */
11242 if (!NO_FCOE(bp)) {
11243 rtnl_lock();
11244 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
11245 rtnl_unlock();
11246 }
11247#endif
11248
Shmulik Ravid98507672011-02-28 12:19:55 -080011249#ifdef BCM_DCBNL
11250 /* Delete app tlvs from dcbnl */
11251 bnx2x_dcbnl_update_applist(bp, true);
11252#endif
11253
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011254 unregister_netdev(dev);
11255
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011256 /* Delete all NAPI objects */
11257 bnx2x_del_all_napi(bp);
11258
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011259 /* Power on: we can't let PCI layer write to us while we are in D3 */
11260 bnx2x_set_power_state(bp, PCI_D0);
11261
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011262 /* Disable MSI/MSI-X */
11263 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +000011264
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +000011265 /* Power off */
11266 bnx2x_set_power_state(bp, PCI_D3hot);
11267
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011268 /* Make sure RESET task is not scheduled before continuing */
Ariel Elior7be08a72011-07-14 08:31:19 +000011269 cancel_delayed_work_sync(&bp->sp_rtnl_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011270
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011271 if (bp->regview)
11272 iounmap(bp->regview);
11273
11274 if (bp->doorbells)
11275 iounmap(bp->doorbells);
11276
Dmitry Kravkoveb2afd42011-11-15 12:07:33 +000011277 bnx2x_release_firmware(bp);
11278
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011279 bnx2x_free_mem_bp(bp);
11280
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011281 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070011282
11283 if (atomic_read(&pdev->enable_cnt) == 1)
11284 pci_release_regions(pdev);
11285
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011286 pci_disable_device(pdev);
11287 pci_set_drvdata(pdev, NULL);
11288}
11289
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011290static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
11291{
11292 int i;
11293
11294 bp->state = BNX2X_STATE_ERROR;
11295
11296 bp->rx_mode = BNX2X_RX_MODE_NONE;
11297
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011298#ifdef BCM_CNIC
11299 bnx2x_cnic_notify(bp, CNIC_CTL_STOP_CMD);
11300#endif
11301 /* Stop Tx */
11302 bnx2x_tx_disable(bp);
11303
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011304 bnx2x_netif_stop(bp, 0);
11305
11306 del_timer_sync(&bp->timer);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011307
11308 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011309
11310 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011311 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011312
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011313 /* Free SKBs, SGEs, TPA pool and driver internals */
11314 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011315
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011316 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011317 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000011318
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011319 bnx2x_free_mem(bp);
11320
11321 bp->state = BNX2X_STATE_CLOSED;
11322
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011323 netif_carrier_off(bp->dev);
11324
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011325 return 0;
11326}
11327
11328static void bnx2x_eeh_recover(struct bnx2x *bp)
11329{
11330 u32 val;
11331
11332 mutex_init(&bp->port.phy_mutex);
11333
11334 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
11335 bp->link_params.shmem_base = bp->common.shmem_base;
11336 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
11337
11338 if (!bp->common.shmem_base ||
11339 (bp->common.shmem_base < 0xA0000) ||
11340 (bp->common.shmem_base >= 0xC0000)) {
11341 BNX2X_DEV_INFO("MCP not active\n");
11342 bp->flags |= NO_MCP_FLAG;
11343 return;
11344 }
11345
11346 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
11347 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
11348 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
11349 BNX2X_ERR("BAD MCP validity signature\n");
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011350}
11351
Wendy Xiong493adb12008-06-23 20:36:22 -070011352/**
11353 * bnx2x_io_error_detected - called when PCI error is detected
11354 * @pdev: Pointer to PCI device
11355 * @state: The current pci connection state
11356 *
11357 * This function is called after a PCI bus error affecting
11358 * this device has been detected.
11359 */
11360static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
11361 pci_channel_state_t state)
11362{
11363 struct net_device *dev = pci_get_drvdata(pdev);
11364 struct bnx2x *bp = netdev_priv(dev);
11365
11366 rtnl_lock();
11367
11368 netif_device_detach(dev);
11369
Dean Nelson07ce50e2009-07-31 09:13:25 +000011370 if (state == pci_channel_io_perm_failure) {
11371 rtnl_unlock();
11372 return PCI_ERS_RESULT_DISCONNECT;
11373 }
11374
Wendy Xiong493adb12008-06-23 20:36:22 -070011375 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011376 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070011377
11378 pci_disable_device(pdev);
11379
11380 rtnl_unlock();
11381
11382 /* Request a slot reset */
11383 return PCI_ERS_RESULT_NEED_RESET;
11384}
11385
11386/**
11387 * bnx2x_io_slot_reset - called after the PCI bus has been reset
11388 * @pdev: Pointer to PCI device
11389 *
11390 * Restart the card from scratch, as if from a cold-boot.
11391 */
11392static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
11393{
11394 struct net_device *dev = pci_get_drvdata(pdev);
11395 struct bnx2x *bp = netdev_priv(dev);
11396
11397 rtnl_lock();
11398
11399 if (pci_enable_device(pdev)) {
11400 dev_err(&pdev->dev,
11401 "Cannot re-enable PCI device after reset\n");
11402 rtnl_unlock();
11403 return PCI_ERS_RESULT_DISCONNECT;
11404 }
11405
11406 pci_set_master(pdev);
11407 pci_restore_state(pdev);
11408
11409 if (netif_running(dev))
11410 bnx2x_set_power_state(bp, PCI_D0);
11411
11412 rtnl_unlock();
11413
11414 return PCI_ERS_RESULT_RECOVERED;
11415}
11416
11417/**
11418 * bnx2x_io_resume - called when traffic can start flowing again
11419 * @pdev: Pointer to PCI device
11420 *
11421 * This callback is called when the error recovery driver tells us that
11422 * its OK to resume normal operation.
11423 */
11424static void bnx2x_io_resume(struct pci_dev *pdev)
11425{
11426 struct net_device *dev = pci_get_drvdata(pdev);
11427 struct bnx2x *bp = netdev_priv(dev);
11428
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011429 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkov754a2f52011-06-14 01:34:02 +000011430 netdev_err(bp->dev, "Handling parity error recovery. "
11431 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000011432 return;
11433 }
11434
Wendy Xiong493adb12008-06-23 20:36:22 -070011435 rtnl_lock();
11436
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011437 bnx2x_eeh_recover(bp);
11438
Wendy Xiong493adb12008-06-23 20:36:22 -070011439 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070011440 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070011441
11442 netif_device_attach(dev);
11443
11444 rtnl_unlock();
11445}
11446
11447static struct pci_error_handlers bnx2x_err_handler = {
11448 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000011449 .slot_reset = bnx2x_io_slot_reset,
11450 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070011451};
11452
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011453static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070011454 .name = DRV_MODULE_NAME,
11455 .id_table = bnx2x_pci_tbl,
11456 .probe = bnx2x_init_one,
11457 .remove = __devexit_p(bnx2x_remove_one),
11458 .suspend = bnx2x_suspend,
11459 .resume = bnx2x_resume,
11460 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011461};
11462
11463static int __init bnx2x_init(void)
11464{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011465 int ret;
11466
Joe Perches7995c642010-02-17 15:01:52 +000011467 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000011468
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011469 bnx2x_wq = create_singlethread_workqueue("bnx2x");
11470 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000011471 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011472 return -ENOMEM;
11473 }
11474
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011475 ret = pci_register_driver(&bnx2x_pci_driver);
11476 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000011477 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000011478 destroy_workqueue(bnx2x_wq);
11479 }
11480 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011481}
11482
11483static void __exit bnx2x_cleanup(void)
11484{
11485 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080011486
11487 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011488}
11489
Yaniv Rosner3deb8162011-06-14 01:34:33 +000011490void bnx2x_notify_link_changed(struct bnx2x *bp)
11491{
11492 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + BP_FUNC(bp)*sizeof(u32), 1);
11493}
11494
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011495module_init(bnx2x_init);
11496module_exit(bnx2x_cleanup);
11497
Michael Chan993ac7b2009-10-10 13:46:56 +000011498#ifdef BCM_CNIC
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011499/**
11500 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
11501 *
11502 * @bp: driver handle
11503 * @set: set or clear the CAM entry
11504 *
11505 * This function will wait until the ramdord completion returns.
11506 * Return 0 if success, -ENODEV if ramrod doesn't return.
11507 */
11508static inline int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp)
11509{
11510 unsigned long ramrod_flags = 0;
11511
11512 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
11513 return bnx2x_set_mac_one(bp, bp->cnic_eth_dev.iscsi_mac,
11514 &bp->iscsi_l2_mac_obj, true,
11515 BNX2X_ISCSI_ETH_MAC, &ramrod_flags);
11516}
Michael Chan993ac7b2009-10-10 13:46:56 +000011517
11518/* count denotes the number of new completions we have seen */
11519static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
11520{
11521 struct eth_spe *spe;
11522
11523#ifdef BNX2X_STOP_ON_ERROR
11524 if (unlikely(bp->panic))
11525 return;
11526#endif
11527
11528 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011529 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000011530 bp->cnic_spq_pending -= count;
11531
Michael Chan993ac7b2009-10-10 13:46:56 +000011532
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011533 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
11534 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
11535 & SPE_HDR_CONN_TYPE) >>
11536 SPE_HDR_CONN_TYPE_SHIFT;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011537 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->hdr.conn_and_cmd_data)
11538 >> SPE_HDR_CMD_ID_SHIFT) & 0xff;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011539
11540 /* Set validation for iSCSI L2 client before sending SETUP
11541 * ramrod
11542 */
11543 if (type == ETH_CONNECTION_TYPE) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011544 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011545 bnx2x_set_ctx_validation(bp, &bp->context.
11546 vcxt[BNX2X_ISCSI_ETH_CID].eth,
11547 BNX2X_ISCSI_ETH_CID);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011548 }
11549
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011550 /*
11551 * There may be not more than 8 L2, not more than 8 L5 SPEs
11552 * and in the air. We also check that number of outstanding
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011553 * COMMON ramrods is not more than the EQ and SPQ can
11554 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011555 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011556 if (type == ETH_CONNECTION_TYPE) {
11557 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011558 break;
11559 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011560 atomic_dec(&bp->cq_spq_left);
11561 } else if (type == NONE_CONNECTION_TYPE) {
11562 if (!atomic_read(&bp->eq_spq_left))
11563 break;
11564 else
11565 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011566 } else if ((type == ISCSI_CONNECTION_TYPE) ||
11567 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011568 if (bp->cnic_spq_pending >=
11569 bp->cnic_eth_dev.max_kwqe_pending)
11570 break;
11571 else
11572 bp->cnic_spq_pending++;
11573 } else {
11574 BNX2X_ERR("Unknown SPE type: %d\n", type);
11575 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000011576 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011577 }
Michael Chan993ac7b2009-10-10 13:46:56 +000011578
11579 spe = bnx2x_sp_get_next(bp);
11580 *spe = *bp->cnic_kwq_cons;
11581
Michael Chan993ac7b2009-10-10 13:46:56 +000011582 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
11583 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
11584
11585 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
11586 bp->cnic_kwq_cons = bp->cnic_kwq;
11587 else
11588 bp->cnic_kwq_cons++;
11589 }
11590 bnx2x_sp_prod_update(bp);
11591 spin_unlock_bh(&bp->spq_lock);
11592}
11593
11594static int bnx2x_cnic_sp_queue(struct net_device *dev,
11595 struct kwqe_16 *kwqes[], u32 count)
11596{
11597 struct bnx2x *bp = netdev_priv(dev);
11598 int i;
11599
11600#ifdef BNX2X_STOP_ON_ERROR
11601 if (unlikely(bp->panic))
11602 return -EIO;
11603#endif
11604
Ariel Elior95c6c6162012-01-26 06:01:52 +000011605 if ((bp->recovery_state != BNX2X_RECOVERY_DONE) &&
11606 (bp->recovery_state != BNX2X_RECOVERY_NIC_LOADING)) {
11607 netdev_err(dev, "Handling parity error recovery. Try again "
11608 "later\n");
11609 return -EAGAIN;
11610 }
11611
Michael Chan993ac7b2009-10-10 13:46:56 +000011612 spin_lock_bh(&bp->spq_lock);
11613
11614 for (i = 0; i < count; i++) {
11615 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
11616
11617 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
11618 break;
11619
11620 *bp->cnic_kwq_prod = *spe;
11621
11622 bp->cnic_kwq_pending++;
11623
11624 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
11625 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011626 spe->data.update_data_addr.hi,
11627 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000011628 bp->cnic_kwq_pending);
11629
11630 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
11631 bp->cnic_kwq_prod = bp->cnic_kwq;
11632 else
11633 bp->cnic_kwq_prod++;
11634 }
11635
11636 spin_unlock_bh(&bp->spq_lock);
11637
11638 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
11639 bnx2x_cnic_sp_post(bp, 0);
11640
11641 return i;
11642}
11643
11644static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
11645{
11646 struct cnic_ops *c_ops;
11647 int rc = 0;
11648
11649 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000011650 c_ops = rcu_dereference_protected(bp->cnic_ops,
11651 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000011652 if (c_ops)
11653 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
11654 mutex_unlock(&bp->cnic_mutex);
11655
11656 return rc;
11657}
11658
11659static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
11660{
11661 struct cnic_ops *c_ops;
11662 int rc = 0;
11663
11664 rcu_read_lock();
11665 c_ops = rcu_dereference(bp->cnic_ops);
11666 if (c_ops)
11667 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
11668 rcu_read_unlock();
11669
11670 return rc;
11671}
11672
11673/*
11674 * for commands that have no data
11675 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011676int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000011677{
11678 struct cnic_ctl_info ctl = {0};
11679
11680 ctl.cmd = cmd;
11681
11682 return bnx2x_cnic_ctl_send(bp, &ctl);
11683}
11684
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011685static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid, u8 err)
Michael Chan993ac7b2009-10-10 13:46:56 +000011686{
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011687 struct cnic_ctl_info ctl = {0};
Michael Chan993ac7b2009-10-10 13:46:56 +000011688
11689 /* first we tell CNIC and only then we count this as a completion */
11690 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
11691 ctl.data.comp.cid = cid;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011692 ctl.data.comp.error = err;
Michael Chan993ac7b2009-10-10 13:46:56 +000011693
11694 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011695 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000011696}
11697
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011698
11699/* Called with netif_addr_lock_bh() taken.
11700 * Sets an rx_mode config for an iSCSI ETH client.
11701 * Doesn't block.
11702 * Completion should be checked outside.
11703 */
11704static void bnx2x_set_iscsi_eth_rx_mode(struct bnx2x *bp, bool start)
11705{
11706 unsigned long accept_flags = 0, ramrod_flags = 0;
11707 u8 cl_id = bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
11708 int sched_state = BNX2X_FILTER_ISCSI_ETH_STOP_SCHED;
11709
11710 if (start) {
11711 /* Start accepting on iSCSI L2 ring. Accept all multicasts
11712 * because it's the only way for UIO Queue to accept
11713 * multicasts (in non-promiscuous mode only one Queue per
11714 * function will receive multicast packets (leading in our
11715 * case).
11716 */
11717 __set_bit(BNX2X_ACCEPT_UNICAST, &accept_flags);
11718 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags);
11719 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags);
11720 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
11721
11722 /* Clear STOP_PENDING bit if START is requested */
11723 clear_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &bp->sp_state);
11724
11725 sched_state = BNX2X_FILTER_ISCSI_ETH_START_SCHED;
11726 } else
11727 /* Clear START_PENDING bit if STOP is requested */
11728 clear_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &bp->sp_state);
11729
11730 if (test_bit(BNX2X_FILTER_RX_MODE_PENDING, &bp->sp_state))
11731 set_bit(sched_state, &bp->sp_state);
11732 else {
11733 __set_bit(RAMROD_RX, &ramrod_flags);
11734 bnx2x_set_q_rx_mode(bp, cl_id, 0, accept_flags, 0,
11735 ramrod_flags);
11736 }
11737}
11738
11739
Michael Chan993ac7b2009-10-10 13:46:56 +000011740static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
11741{
11742 struct bnx2x *bp = netdev_priv(dev);
11743 int rc = 0;
11744
11745 switch (ctl->cmd) {
11746 case DRV_CTL_CTXTBL_WR_CMD: {
11747 u32 index = ctl->data.io.offset;
11748 dma_addr_t addr = ctl->data.io.dma_addr;
11749
11750 bnx2x_ilt_wr(bp, index, addr);
11751 break;
11752 }
11753
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011754 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
11755 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000011756
11757 bnx2x_cnic_sp_post(bp, count);
11758 break;
11759 }
11760
11761 /* rtnl_lock is held. */
11762 case DRV_CTL_START_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011763 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11764 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000011765
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011766 /* Configure the iSCSI classification object */
11767 bnx2x_init_mac_obj(bp, &bp->iscsi_l2_mac_obj,
11768 cp->iscsi_l2_client_id,
11769 cp->iscsi_l2_cid, BP_FUNC(bp),
11770 bnx2x_sp(bp, mac_rdata),
11771 bnx2x_sp_mapping(bp, mac_rdata),
11772 BNX2X_FILTER_MAC_PENDING,
11773 &bp->sp_state, BNX2X_OBJ_TYPE_RX,
11774 &bp->macs_pool);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011775
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011776 /* Set iSCSI MAC address */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011777 rc = bnx2x_set_iscsi_eth_mac_addr(bp);
11778 if (rc)
11779 break;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011780
11781 mmiowb();
11782 barrier();
11783
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011784 /* Start accepting on iSCSI L2 ring */
11785
11786 netif_addr_lock_bh(dev);
11787 bnx2x_set_iscsi_eth_rx_mode(bp, true);
11788 netif_addr_unlock_bh(dev);
11789
11790 /* bits to wait on */
11791 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
11792 __set_bit(BNX2X_FILTER_ISCSI_ETH_START_SCHED, &sp_bits);
11793
11794 if (!bnx2x_wait_sp_comp(bp, sp_bits))
11795 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011796
Michael Chan993ac7b2009-10-10 13:46:56 +000011797 break;
11798 }
11799
11800 /* rtnl_lock is held. */
11801 case DRV_CTL_STOP_L2_CMD: {
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011802 unsigned long sp_bits = 0;
Michael Chan993ac7b2009-10-10 13:46:56 +000011803
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011804 /* Stop accepting on iSCSI L2 ring */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011805 netif_addr_lock_bh(dev);
11806 bnx2x_set_iscsi_eth_rx_mode(bp, false);
11807 netif_addr_unlock_bh(dev);
11808
11809 /* bits to wait on */
11810 __set_bit(BNX2X_FILTER_RX_MODE_PENDING, &sp_bits);
11811 __set_bit(BNX2X_FILTER_ISCSI_ETH_STOP_SCHED, &sp_bits);
11812
11813 if (!bnx2x_wait_sp_comp(bp, sp_bits))
11814 BNX2X_ERR("rx_mode completion timed out!\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011815
11816 mmiowb();
11817 barrier();
11818
11819 /* Unset iSCSI L2 MAC */
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011820 rc = bnx2x_del_all_macs(bp, &bp->iscsi_l2_mac_obj,
11821 BNX2X_ISCSI_ETH_MAC, true);
Michael Chan993ac7b2009-10-10 13:46:56 +000011822 break;
11823 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011824 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
11825 int count = ctl->data.credit.credit_count;
11826
11827 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080011828 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011829 smp_mb__after_atomic_inc();
11830 break;
11831 }
Barak Witkowski1d187b32011-12-05 22:41:50 +000011832 case DRV_CTL_ULP_REGISTER_CMD: {
11833 int ulp_type = ctl->data.ulp_type;
11834
11835 if (CHIP_IS_E3(bp)) {
11836 int idx = BP_FW_MB_IDX(bp);
11837 u32 cap;
11838
11839 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
11840 if (ulp_type == CNIC_ULP_ISCSI)
11841 cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
11842 else if (ulp_type == CNIC_ULP_FCOE)
11843 cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
11844 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
11845 }
11846 break;
11847 }
11848 case DRV_CTL_ULP_UNREGISTER_CMD: {
11849 int ulp_type = ctl->data.ulp_type;
11850
11851 if (CHIP_IS_E3(bp)) {
11852 int idx = BP_FW_MB_IDX(bp);
11853 u32 cap;
11854
11855 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]);
11856 if (ulp_type == CNIC_ULP_ISCSI)
11857 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_ISCSI;
11858 else if (ulp_type == CNIC_ULP_FCOE)
11859 cap &= ~DRV_FLAGS_CAPABILITIES_LOADED_FCOE;
11860 SHMEM2_WR(bp, drv_capabilities_flag[idx], cap);
11861 }
11862 break;
11863 }
Michael Chan993ac7b2009-10-10 13:46:56 +000011864
11865 default:
11866 BNX2X_ERR("unknown command %x\n", ctl->cmd);
11867 rc = -EINVAL;
11868 }
11869
11870 return rc;
11871}
11872
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000011873void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000011874{
11875 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11876
11877 if (bp->flags & USING_MSIX_FLAG) {
11878 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
11879 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
11880 cp->irq_arr[0].vector = bp->msix_table[1].vector;
11881 } else {
11882 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
11883 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
11884 }
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011885 if (!CHIP_IS_E1x(bp))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000011886 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
11887 else
11888 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
11889
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011890 cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
11891 cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000011892 cp->irq_arr[1].status_blk = bp->def_status_blk;
11893 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011894 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000011895
11896 cp->num_irq = 2;
11897}
11898
11899static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
11900 void *data)
11901{
11902 struct bnx2x *bp = netdev_priv(dev);
11903 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11904
11905 if (ops == NULL)
11906 return -EINVAL;
11907
Michael Chan993ac7b2009-10-10 13:46:56 +000011908 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
11909 if (!bp->cnic_kwq)
11910 return -ENOMEM;
11911
11912 bp->cnic_kwq_cons = bp->cnic_kwq;
11913 bp->cnic_kwq_prod = bp->cnic_kwq;
11914 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
11915
11916 bp->cnic_spq_pending = 0;
11917 bp->cnic_kwq_pending = 0;
11918
11919 bp->cnic_data = data;
11920
11921 cp->num_irq = 0;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011922 cp->drv_state |= CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011923 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000011924
Michael Chan993ac7b2009-10-10 13:46:56 +000011925 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011926
Michael Chan993ac7b2009-10-10 13:46:56 +000011927 rcu_assign_pointer(bp->cnic_ops, ops);
11928
11929 return 0;
11930}
11931
11932static int bnx2x_unregister_cnic(struct net_device *dev)
11933{
11934 struct bnx2x *bp = netdev_priv(dev);
11935 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11936
11937 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000011938 cp->drv_state = 0;
Eric Dumazet2cfa5a02011-11-23 07:09:32 +000011939 RCU_INIT_POINTER(bp->cnic_ops, NULL);
Michael Chan993ac7b2009-10-10 13:46:56 +000011940 mutex_unlock(&bp->cnic_mutex);
11941 synchronize_rcu();
11942 kfree(bp->cnic_kwq);
11943 bp->cnic_kwq = NULL;
11944
11945 return 0;
11946}
11947
11948struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
11949{
11950 struct bnx2x *bp = netdev_priv(dev);
11951 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
11952
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011953 /* If both iSCSI and FCoE are disabled - return NULL in
11954 * order to indicate CNIC that it should not try to work
11955 * with this device.
11956 */
11957 if (NO_ISCSI(bp) && NO_FCOE(bp))
11958 return NULL;
11959
Michael Chan993ac7b2009-10-10 13:46:56 +000011960 cp->drv_owner = THIS_MODULE;
11961 cp->chip_id = CHIP_ID(bp);
11962 cp->pdev = bp->pdev;
11963 cp->io_base = bp->regview;
11964 cp->io_base2 = bp->doorbells;
11965 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000011966 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011967 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
11968 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000011969 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011970 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000011971 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
11972 cp->drv_ctl = bnx2x_drv_ctl;
11973 cp->drv_register_cnic = bnx2x_register_cnic;
11974 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000011975 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +030011976 cp->iscsi_l2_client_id =
11977 bnx2x_cnic_eth_cl_id(bp, BNX2X_ISCSI_ETH_CL_ID_IDX);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011978 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000011979
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000011980 if (NO_ISCSI_OOO(bp))
11981 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
11982
11983 if (NO_ISCSI(bp))
11984 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
11985
11986 if (NO_FCOE(bp))
11987 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
11988
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000011989 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
11990 "starting cid %d\n",
11991 cp->ctx_blk_size,
11992 cp->ctx_tbl_offset,
11993 cp->ctx_tbl_len,
11994 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000011995 return cp;
11996}
11997EXPORT_SYMBOL(bnx2x_cnic_probe);
11998
11999#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070012000