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disable some mediatekl custom warnings
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / bfa / bfad.c
CommitLineData
7725ccfd 1/*
a36c61f9 2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
7725ccfd
JH		 3 * All rights reserved
4 * www.brocade.com
5 *
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 */
17
5fbe25c7 18/*
7725ccfd
JH		 19 * bfad.c Linux driver PCI interface module.
20 */
7725ccfd 21#include <linux/module.h>
e6714324 22#include <linux/kthread.h>
a36c61f9
KG		 23#include <linux/errno.h>
24#include <linux/sched.h>
25#include <linux/init.h>
26#include <linux/fs.h>
27#include <linux/pci.h>
28#include <linux/firmware.h>
29#include <asm/uaccess.h>
30#include <asm/fcntl.h>
31
7725ccfd
JH		 32#include "bfad_drv.h"
33#include "bfad_im.h"
a36c61f9 34#include "bfa_fcs.h"
a36c61f9
KG		 35#include "bfa_defs.h"
36#include "bfa.h"
7725ccfd
JH		 37
38BFA_TRC_FILE(LDRV, BFAD);
42b426ec 39DEFINE_MUTEX(bfad_mutex);
7725ccfd 40LIST_HEAD(bfad_list);
a36c61f9
KG		 41
42static int bfad_inst;
43static int num_sgpgs_parm;
44int supported_fc4s;
45char *host_name, *os_name, *os_patch;
46int num_rports, num_ios, num_tms;
47int num_fcxps, num_ufbufs;
48int reqq_size, rspq_size, num_sgpgs;
49int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
50int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
51int bfa_io_max_sge = BFAD_IO_MAX_SGE;
88166242 52int bfa_log_level = 3; /* WARNING log level */
a36c61f9
KG		 53int ioc_auto_recover = BFA_TRUE;
54int bfa_linkup_delay = -1;
55int fdmi_enable = BFA_TRUE;
56int pcie_max_read_reqsz;
ab2a9ba1 57int bfa_debugfs_enable = 1;
a36c61f9 58int msix_disable_cb = 0, msix_disable_ct = 0;
61e62e21 59int max_xfer_size = BFAD_MAX_SECTORS >> 1;
61ba4394 60int max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS;
a36c61f9 61
61338a0b 62/* Firmware releated */
11189208
KG		 63u32 bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size;
64u32 *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2;
a36c61f9 65
7d0ecef3
KG		 66#define BFAD_FW_FILE_CB "cbfw-3.1.0.0.bin"
67#define BFAD_FW_FILE_CT "ctfw-3.1.0.0.bin"
68#define BFAD_FW_FILE_CT2 "ct2fw-3.1.0.0.bin"
61338a0b
JH		 69
70static u32 *bfad_load_fwimg(struct pci_dev *pdev);
71static void bfad_free_fwimg(void);
72static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
73 u32 *bfi_image_size, char *fw_name);
74
52f94b6f 75static const char *msix_name_ct[] = {
11189208 76 "ctrl",
a36c61f9 77 "cpe0", "cpe1", "cpe2", "cpe3",
11189208 78 "rme0", "rme1", "rme2", "rme3" };
a36c61f9 79
52f94b6f 80static const char *msix_name_cb[] = {
a36c61f9
KG		 81 "cpe0", "cpe1", "cpe2", "cpe3",
82 "rme0", "rme1", "rme2", "rme3",
83 "eemc", "elpu0", "elpu1", "epss", "mlpu" };
84
11189208
KG		 85MODULE_FIRMWARE(BFAD_FW_FILE_CB);
86MODULE_FIRMWARE(BFAD_FW_FILE_CT);
87MODULE_FIRMWARE(BFAD_FW_FILE_CT2);
7725ccfd
JH		 88
89module_param(os_name, charp, S_IRUGO | S_IWUSR);
604158ad 90MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
7725ccfd 91module_param(os_patch, charp, S_IRUGO | S_IWUSR);
604158ad 92MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
7725ccfd 93module_param(host_name, charp, S_IRUGO | S_IWUSR);
604158ad 94MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
7725ccfd 95module_param(num_rports, int, S_IRUGO | S_IWUSR);
a36c61f9
KG		 96MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
97 "(physical/logical), default=1024");
7725ccfd 98module_param(num_ios, int, S_IRUGO | S_IWUSR);
604158ad 99MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
7725ccfd 100module_param(num_tms, int, S_IRUGO | S_IWUSR);
604158ad 101MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
7725ccfd 102module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
604158ad 103MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
7725ccfd 104module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
a36c61f9
KG		 105MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
106 "buffers, default=64");
7725ccfd 107module_param(reqq_size, int, S_IRUGO | S_IWUSR);
a36c61f9
KG		 108MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
109 "default=256");
7725ccfd 110module_param(rspq_size, int, S_IRUGO | S_IWUSR);
a36c61f9
KG		 111MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
112 "default=64");
7725ccfd 113module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
604158ad 114MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
7725ccfd 115module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
a36c61f9
KG		 116MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
117 "Range[>0]");
7725ccfd 118module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
a36c61f9 119MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
7725ccfd 120module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
604158ad 121MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
88166242
JH		 122module_param(bfa_log_level, int, S_IRUGO | S_IWUSR);
123MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, "
a36c61f9 124 "Range[Critical:1|Error:2|Warning:3|Info:4]");
7725ccfd 125module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
a36c61f9
KG		 126MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
127 "Range[off:0|on:1]");
7725ccfd 128module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
a36c61f9
KG		 129MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for "
130 "boot port. Otherwise 10 secs in RHEL4 & 0 for "
131 "[RHEL5, SLES10, ESX40] Range[>0]");
132module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
133MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts "
134 "for Brocade-415/425/815/825 cards, default=0, "
135 " Range[false:0|true:1]");
136module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
137MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts "
138 "if possible for Brocade-1010/1020/804/1007/902/1741 "
139 "cards, default=0, Range[false:0|true:1]");
604158ad 140module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
a36c61f9
KG		 141MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, "
142 "Range[false:0|true:1]");
143module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR);
144MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 "
145 "(use system setting), Range[128|256|512|1024|2048|4096]");
ab2a9ba1
JH		 146module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
147MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
148 " Range[false:0|true:1]");
61e62e21
KG		 149module_param(max_xfer_size, int, S_IRUGO | S_IWUSR);
150MODULE_PARM_DESC(max_xfer_size, "default=32MB,"
151 " Range[64k|128k|256k|512k|1024k|2048k]");
61ba4394
KG		 152module_param(max_rport_logins, int, S_IRUGO | S_IWUSR);
153MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024");
7725ccfd 154
a36c61f9
KG		 155static void
156bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
157static void
158bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
159static void
160bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
161static void
162bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
163static void
164bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
165static void
166bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
167static void
168bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event);
169
5fbe25c7 170/*
a36c61f9 171 * Beginning state for the driver instance, awaiting the pci_probe event
7725ccfd 172 */
a36c61f9
KG		 173static void
174bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event)
175{
176 bfa_trc(bfad, event);
177
178 switch (event) {
179 case BFAD_E_CREATE:
180 bfa_sm_set_state(bfad, bfad_sm_created);
181 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad,
182 "%s", "bfad_worker");
183 if (IS_ERR(bfad->bfad_tsk)) {
184 printk(KERN_INFO "bfad[%d]: Kernel thread "
185 "creation failed!\n", bfad->inst_no);
186 bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED);
187 }
188 bfa_sm_send_event(bfad, BFAD_E_INIT);
189 break;
190
191 case BFAD_E_STOP:
192 /* Ignore stop; already in uninit */
193 break;
194
195 default:
196 bfa_sm_fault(bfad, event);
197 }
198}
7725ccfd 199
5fbe25c7 200/*
a36c61f9
KG		 201 * Driver Instance is created, awaiting event INIT to initialize the bfad
202 */
203static void
204bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
7725ccfd 205{
a36c61f9 206 unsigned long flags;
7725ccfd 207
a36c61f9 208 bfa_trc(bfad, event);
7725ccfd 209
a36c61f9
KG		 210 switch (event) {
211 case BFAD_E_INIT:
212 bfa_sm_set_state(bfad, bfad_sm_initializing);
7725ccfd 213
a36c61f9 214 init_completion(&bfad->comp);
e6714324 215
a36c61f9
KG		 216 /* Enable Interrupt and wait bfa_init completion */
217 if (bfad_setup_intr(bfad)) {
218 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
219 bfad->inst_no);
220 bfa_sm_send_event(bfad, BFAD_E_INTR_INIT_FAILED);
221 break;
222 }
223
224 spin_lock_irqsave(&bfad->bfad_lock, flags);
f7f73812 225 bfa_iocfc_init(&bfad->bfa);
a36c61f9
KG		 226 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
227
228 /* Set up interrupt handler for each vectors */
229 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
230 bfad_install_msix_handler(bfad)) {
231 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
232 __func__, bfad->inst_no);
233 }
234
235 bfad_init_timer(bfad);
236
237 wait_for_completion(&bfad->comp);
238
239 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
240 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
241 } else {
7c38c05b
KG		 242 printk(KERN_WARNING
243 "bfa %s: bfa init failed\n",
244 bfad->pci_name);
a36c61f9
KG		 245 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
246 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
247 }
248
249 break;
250
251 case BFAD_E_KTHREAD_CREATE_FAILED:
252 bfa_sm_set_state(bfad, bfad_sm_uninit);
253 break;
254
255 default:
256 bfa_sm_fault(bfad, event);
257 }
7725ccfd
JH		 258}
259
260static void
a36c61f9 261bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event)
7725ccfd 262{
a36c61f9
KG		 263 int retval;
264 unsigned long flags;
265
266 bfa_trc(bfad, event);
267
268 switch (event) {
269 case BFAD_E_INIT_SUCCESS:
270 kthread_stop(bfad->bfad_tsk);
271 spin_lock_irqsave(&bfad->bfad_lock, flags);
272 bfad->bfad_tsk = NULL;
273 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
274
275 retval = bfad_start_ops(bfad);
276 if (retval != BFA_STATUS_OK)
277 break;
278 bfa_sm_set_state(bfad, bfad_sm_operational);
279 break;
280
281 case BFAD_E_INTR_INIT_FAILED:
282 bfa_sm_set_state(bfad, bfad_sm_uninit);
283 kthread_stop(bfad->bfad_tsk);
284 spin_lock_irqsave(&bfad->bfad_lock, flags);
285 bfad->bfad_tsk = NULL;
286 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
287 break;
288
289 case BFAD_E_INIT_FAILED:
290 bfa_sm_set_state(bfad, bfad_sm_failed);
291 break;
292 default:
293 bfa_sm_fault(bfad, event);
294 }
7725ccfd
JH		 295}
296
297static void
a36c61f9 298bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event)
7725ccfd 299{
a36c61f9 300 int retval;
7725ccfd 301
a36c61f9
KG		 302 bfa_trc(bfad, event);
303
304 switch (event) {
305 case BFAD_E_INIT_SUCCESS:
306 retval = bfad_start_ops(bfad);
307 if (retval != BFA_STATUS_OK)
308 break;
309 bfa_sm_set_state(bfad, bfad_sm_operational);
310 break;
311
312 case BFAD_E_STOP:
313 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
314 bfad_uncfg_pport(bfad);
315 if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE) {
316 bfad_im_probe_undo(bfad);
317 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
318 }
319 bfad_stop(bfad);
320 break;
321
322 case BFAD_E_EXIT_COMP:
323 bfa_sm_set_state(bfad, bfad_sm_uninit);
324 bfad_remove_intr(bfad);
325 del_timer_sync(&bfad->hal_tmo);
326 break;
327
328 default:
329 bfa_sm_fault(bfad, event);
330 }
7725ccfd
JH		 331}
332
a36c61f9
KG		 333static void
334bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event)
7725ccfd 335{
a36c61f9 336 bfa_trc(bfad, event);
7725ccfd 337
a36c61f9
KG		 338 switch (event) {
339 case BFAD_E_STOP:
340 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
341 bfad_fcs_stop(bfad);
342 break;
7725ccfd 343
a36c61f9
KG		 344 default:
345 bfa_sm_fault(bfad, event);
346 }
347}
7725ccfd 348
a36c61f9
KG		 349static void
350bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event)
351{
352 bfa_trc(bfad, event);
353
354 switch (event) {
355 case BFAD_E_FCS_EXIT_COMP:
356 bfa_sm_set_state(bfad, bfad_sm_stopping);
357 bfad_stop(bfad);
358 break;
359
360 default:
361 bfa_sm_fault(bfad, event);
362 }
7725ccfd
JH		 363}
364
365static void
a36c61f9 366bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event)
7725ccfd 367{
a36c61f9 368 bfa_trc(bfad, event);
7725ccfd 369
a36c61f9
KG		 370 switch (event) {
371 case BFAD_E_EXIT_COMP:
372 bfa_sm_set_state(bfad, bfad_sm_uninit);
373 bfad_remove_intr(bfad);
374 del_timer_sync(&bfad->hal_tmo);
375 bfad_im_probe_undo(bfad);
376 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
377 bfad_uncfg_pport(bfad);
378 break;
7725ccfd 379
a36c61f9
KG		 380 default:
381 bfa_sm_fault(bfad, event);
382 break;
383 }
7725ccfd
JH		 384}
385
5fbe25c7 386/*
7725ccfd
JH		 387 * BFA callbacks
388 */
389void
390bfad_hcb_comp(void *arg, bfa_status_t status)
391{
392 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
393
394 fcomp->status = status;
395 complete(&fcomp->comp);
396}
397
5fbe25c7 398/*
7725ccfd
JH		 399 * bfa_init callback
400 */
401void
402bfa_cb_init(void *drv, bfa_status_t init_status)
403{
a36c61f9 404 struct bfad_s *bfad = drv;
7725ccfd 405
e6714324 406 if (init_status == BFA_STATUS_OK) {
7725ccfd
JH		 407 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
408
a36c61f9
KG		 409 /*
410 * If BFAD_HAL_INIT_FAIL flag is set:
e6714324
KG		 411 * Wake up the kernel thread to start
412 * the bfad operations after HAL init done
413 */
414 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
415 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
416 wake_up_process(bfad->bfad_tsk);
417 }
418 }
419
7725ccfd
JH		 420 complete(&bfad->comp);
421}
422
5fbe25c7 423/*
7725ccfd
JH		 424 * BFA_FCS callbacks
425 */
7725ccfd 426struct bfad_port_s *
a36c61f9
KG		 427bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port,
428 enum bfa_lport_role roles, struct bfad_vf_s *vf_drv,
7725ccfd
JH		 429 struct bfad_vport_s *vp_drv)
430{
a36c61f9
KG		 431 bfa_status_t rc;
432 struct bfad_port_s *port_drv;
7725ccfd
JH		 433
434 if (!vp_drv && !vf_drv) {
435 port_drv = &bfad->pport;
436 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
437 } else if (!vp_drv && vf_drv) {
438 port_drv = &vf_drv->base_port;
439 port_drv->pvb_type = BFAD_PORT_VF_BASE;
440 } else if (vp_drv && !vf_drv) {
441 port_drv = &vp_drv->drv_port;
442 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
443 } else {
444 port_drv = &vp_drv->drv_port;
445 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
446 }
447
448 port_drv->fcs_port = port;
449 port_drv->roles = roles;
a36c61f9
KG		 450
451 if (roles & BFA_LPORT_ROLE_FCP_IM) {
452 rc = bfad_im_port_new(bfad, port_drv);
453 if (rc != BFA_STATUS_OK) {
454 bfad_im_port_delete(bfad, port_drv);
455 port_drv = NULL;
456 }
7725ccfd
JH		 457 }
458
459 return port_drv;
460}
461
5fbe25c7 462/*
7725ccfd
JH		 463 * FCS RPORT alloc callback, after successful PLOGI by FCS
464 */
465bfa_status_t
466bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
467 struct bfad_rport_s **rport_drv)
468{
a36c61f9 469 bfa_status_t rc = BFA_STATUS_OK;
7725ccfd
JH		 470
471 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
472 if (*rport_drv == NULL) {
473 rc = BFA_STATUS_ENOMEM;
474 goto ext;
475 }
476
477 *rport = &(*rport_drv)->fcs_rport;
478
479ext:
480 return rc;
481}
482
5fbe25c7 483/*
d9883548
JH		 484 * FCS PBC VPORT Create
485 */
486void
487bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
488{
489
a36c61f9
KG		 490 struct bfa_lport_cfg_s port_cfg = {0};
491 struct bfad_vport_s *vport;
492 int rc;
d9883548 493
a36c61f9
KG		 494 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
495 if (!vport) {
d9883548
JH		 496 bfa_trc(bfad, 0);
497 return;
498 }
7725ccfd 499
a36c61f9
KG		 500 vport->drv_port.bfad = bfad;
501 port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
502 port_cfg.pwwn = pbc_vport.vp_pwwn;
503 port_cfg.nwwn = pbc_vport.vp_nwwn;
504 port_cfg.preboot_vp = BFA_TRUE;
505
506 rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0,
507 &port_cfg, vport);
d9883548 508
a36c61f9
KG		 509 if (rc != BFA_STATUS_OK) {
510 bfa_trc(bfad, 0);
511 return;
512 }
d9883548 513
a36c61f9 514 list_add_tail(&vport->list_entry, &bfad->pbc_vport_list);
d9883548 515}
7725ccfd
JH		 516
517void
518bfad_hal_mem_release(struct bfad_s *bfad)
519{
7725ccfd 520 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
4507025d
KG		 521 struct bfa_mem_dma_s *dma_info, *dma_elem;
522 struct bfa_mem_kva_s *kva_info, *kva_elem;
523 struct list_head *dm_qe, *km_qe;
524
525 dma_info = &hal_meminfo->dma_info;
526 kva_info = &hal_meminfo->kva_info;
527
528 /* Iterate through the KVA meminfo queue */
529 list_for_each(km_qe, &kva_info->qe) {
530 kva_elem = (struct bfa_mem_kva_s *) km_qe;
531 vfree(kva_elem->kva);
532 }
533
534 /* Iterate through the DMA meminfo queue */
535 list_for_each(dm_qe, &dma_info->qe) {
536 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
537 dma_free_coherent(&bfad->pcidev->dev,
538 dma_elem->mem_len, dma_elem->kva,
539 (dma_addr_t) dma_elem->dma);
7725ccfd
JH		 540 }
541
542 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
543}
544
545void
546bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
547{
548 if (num_rports > 0)
549 bfa_cfg->fwcfg.num_rports = num_rports;
550 if (num_ios > 0)
551 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
552 if (num_tms > 0)
553 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
4507025d 554 if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX)
7725ccfd 555 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
4507025d 556 if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX)
7725ccfd
JH		 557 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
558 if (reqq_size > 0)
559 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
560 if (rspq_size > 0)
561 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
4507025d 562 if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX)
7725ccfd
JH		 563 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
564
565 /*
566 * populate the hal values back to the driver for sysfs use.
567 * otherwise, the default values will be shown as 0 in sysfs
568 */
569 num_rports = bfa_cfg->fwcfg.num_rports;
a36c61f9
KG		 570 num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
571 num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
572 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
7725ccfd 573 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
a36c61f9
KG		 574 reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
575 rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
576 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
7725ccfd
JH		 577}
578
579bfa_status_t
580bfad_hal_mem_alloc(struct bfad_s *bfad)
581{
582 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
4507025d
KG		 583 struct bfa_mem_dma_s *dma_info, *dma_elem;
584 struct bfa_mem_kva_s *kva_info, *kva_elem;
585 struct list_head *dm_qe, *km_qe;
a36c61f9 586 bfa_status_t rc = BFA_STATUS_OK;
4507025d 587 dma_addr_t phys_addr;
7725ccfd
JH		 588
589 bfa_cfg_get_default(&bfad->ioc_cfg);
7725ccfd
JH		 590 bfad_update_hal_cfg(&bfad->ioc_cfg);
591 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
4507025d
KG		 592 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa);
593
594 dma_info = &hal_meminfo->dma_info;
595 kva_info = &hal_meminfo->kva_info;
596
597 /* Iterate through the KVA meminfo queue */
598 list_for_each(km_qe, &kva_info->qe) {
599 kva_elem = (struct bfa_mem_kva_s *) km_qe;
600 kva_elem->kva = vmalloc(kva_elem->mem_len);
601 if (kva_elem->kva == NULL) {
602 bfad_hal_mem_release(bfad);
603 rc = BFA_STATUS_ENOMEM;
604 goto ext;
605 }
606 memset(kva_elem->kva, 0, kva_elem->mem_len);
607 }
7725ccfd 608
4507025d
KG		 609 /* Iterate through the DMA meminfo queue */
610 list_for_each(dm_qe, &dma_info->qe) {
611 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
612 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev,
613 dma_elem->mem_len,
614 &phys_addr, GFP_KERNEL);
615 if (dma_elem->kva == NULL) {
616 bfad_hal_mem_release(bfad);
617 rc = BFA_STATUS_ENOMEM;
618 goto ext;
7725ccfd 619 }
4507025d
KG		 620 dma_elem->dma = phys_addr;
621 memset(dma_elem->kva, 0, dma_elem->mem_len);
7725ccfd
JH		 622 }
623ext:
624 return rc;
625}
626
5fbe25c7 627/*
7725ccfd
JH		 628 * Create a vport under a vf.
629 */
630bfa_status_t
631bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
a36c61f9 632 struct bfa_lport_cfg_s *port_cfg, struct device *dev)
7725ccfd 633{
a36c61f9
KG		 634 struct bfad_vport_s *vport;
635 int rc = BFA_STATUS_OK;
636 unsigned long flags;
7725ccfd
JH		 637 struct completion fcomp;
638
639 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
640 if (!vport) {
641 rc = BFA_STATUS_ENOMEM;
642 goto ext;
643 }
644
645 vport->drv_port.bfad = bfad;
646 spin_lock_irqsave(&bfad->bfad_lock, flags);
a36c61f9
KG		 647 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
648 port_cfg, vport);
7725ccfd
JH		 649 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
650
651 if (rc != BFA_STATUS_OK)
652 goto ext_free_vport;
653
a36c61f9 654 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) {
b504293f
JH		 655 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
656 dev);
7725ccfd
JH		 657 if (rc != BFA_STATUS_OK)
658 goto ext_free_fcs_vport;
659 }
660
661 spin_lock_irqsave(&bfad->bfad_lock, flags);
662 bfa_fcs_vport_start(&vport->fcs_vport);
5b7db7af 663 list_add_tail(&vport->list_entry, &bfad->vport_list);
7725ccfd
JH		 664 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
665
666 return BFA_STATUS_OK;
667
668ext_free_fcs_vport:
669 spin_lock_irqsave(&bfad->bfad_lock, flags);
670 vport->comp_del = &fcomp;
671 init_completion(vport->comp_del);
672 bfa_fcs_vport_delete(&vport->fcs_vport);
673 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
674 wait_for_completion(vport->comp_del);
675ext_free_vport:
676 kfree(vport);
677ext:
678 return rc;
679}
680
7725ccfd
JH		 681void
682bfad_bfa_tmo(unsigned long data)
683{
a36c61f9
KG		 684 struct bfad_s *bfad = (struct bfad_s *) data;
685 unsigned long flags;
686 struct list_head doneq;
7725ccfd
JH		 687
688 spin_lock_irqsave(&bfad->bfad_lock, flags);
689
f7f73812 690 bfa_timer_beat(&bfad->bfa.timer_mod);
7725ccfd
JH		 691
692 bfa_comp_deq(&bfad->bfa, &doneq);
693 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
694
695 if (!list_empty(&doneq)) {
696 bfa_comp_process(&bfad->bfa, &doneq);
697 spin_lock_irqsave(&bfad->bfad_lock, flags);
698 bfa_comp_free(&bfad->bfa, &doneq);
699 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
700 }
701
a36c61f9
KG		 702 mod_timer(&bfad->hal_tmo,
703 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
7725ccfd
JH		 704}
705
706void
707bfad_init_timer(struct bfad_s *bfad)
708{
709 init_timer(&bfad->hal_tmo);
710 bfad->hal_tmo.function = bfad_bfa_tmo;
711 bfad->hal_tmo.data = (unsigned long)bfad;
712
a36c61f9
KG		 713 mod_timer(&bfad->hal_tmo,
714 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
7725ccfd
JH		 715}
716
717int
718bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
719{
a36c61f9 720 int rc = -ENODEV;
7725ccfd
JH		 721
722 if (pci_enable_device(pdev)) {
a36c61f9 723 printk(KERN_ERR "pci_enable_device fail %p\n", pdev);
7725ccfd
JH		 724 goto out;
725 }
726
727 if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
728 goto out_disable_device;
729
730 pci_set_master(pdev);
731
732
10a07379
KG		 733 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) ||
734 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) {
735 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) ||
736 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) {
a36c61f9 737 printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev);
7725ccfd
JH		 738 goto out_release_region;
739 }
10a07379 740 }
7725ccfd 741
881c1b3c
KG		 742 /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */
743 pci_enable_pcie_error_reporting(pdev);
744
b3522f08 745 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
11189208 746 bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
7725ccfd
JH		 747
748 if (bfad->pci_bar0_kva == NULL) {
a36c61f9 749 printk(KERN_ERR "Fail to map bar0\n");
7725ccfd
JH		 750 goto out_release_region;
751 }
752
753 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
754 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
755 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
756 bfad->hal_pcidev.device_id = pdev->device;
1a4d8e1b 757 bfad->hal_pcidev.ssid = pdev->subsystem_device;
7725ccfd
JH		 758 bfad->pci_name = pci_name(pdev);
759
760 bfad->pci_attr.vendor_id = pdev->vendor;
761 bfad->pci_attr.device_id = pdev->device;
762 bfad->pci_attr.ssid = pdev->subsystem_device;
763 bfad->pci_attr.ssvid = pdev->subsystem_vendor;
764 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
765
766 bfad->pcidev = pdev;
a36c61f9
KG		 767
768 /* Adjust PCIe Maximum Read Request Size */
769 if (pcie_max_read_reqsz > 0) {
770 int pcie_cap_reg;
771 u16 pcie_dev_ctl;
772 u16 mask = 0xffff;
773
774 switch (pcie_max_read_reqsz) {
775 case 128:
776 mask = 0x0;
777 break;
778 case 256:
779 mask = 0x1000;
780 break;
781 case 512:
782 mask = 0x2000;
783 break;
784 case 1024:
785 mask = 0x3000;
786 break;
787 case 2048:
788 mask = 0x4000;
789 break;
790 case 4096:
791 mask = 0x5000;
792 break;
793 default:
794 break;
795 }
796
797 pcie_cap_reg = pci_find_capability(pdev, PCI_CAP_ID_EXP);
798 if (mask != 0xffff && pcie_cap_reg) {
799 pcie_cap_reg += 0x08;
800 pci_read_config_word(pdev, pcie_cap_reg, &pcie_dev_ctl);
801 if ((pcie_dev_ctl & 0x7000) != mask) {
802 printk(KERN_WARNING "BFA[%s]: "
803 "pcie_max_read_request_size is %d, "
804 "reset to %d\n", bfad->pci_name,
805 (1 << ((pcie_dev_ctl & 0x7000) >> 12)) << 7,
806 pcie_max_read_reqsz);
807
808 pcie_dev_ctl &= ~0x7000;
809 pci_write_config_word(pdev, pcie_cap_reg,
810 pcie_dev_ctl | mask);
811 }
812 }
813 }
814
881c1b3c
KG		 815 pci_save_state(pdev);
816
7725ccfd
JH		 817 return 0;
818
819out_release_region:
820 pci_release_regions(pdev);
821out_disable_device:
822 pci_disable_device(pdev);
823out:
824 return rc;
825}
826
827void
828bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
829{
7725ccfd 830 pci_iounmap(pdev, bfad->pci_bar0_kva);
11189208 831 pci_iounmap(pdev, bfad->pci_bar2_kva);
7725ccfd 832 pci_release_regions(pdev);
881c1b3c
KG		 833 /* Disable PCIE Advanced Error Recovery (AER) */
834 pci_disable_pcie_error_reporting(pdev);
7725ccfd
JH		 835 pci_disable_device(pdev);
836 pci_set_drvdata(pdev, NULL);
837}
838
7725ccfd
JH		 839bfa_status_t
840bfad_drv_init(struct bfad_s *bfad)
841{
a36c61f9
KG		 842 bfa_status_t rc;
843 unsigned long flags;
7725ccfd
JH		 844
845 bfad->cfg_data.rport_del_timeout = rport_del_timeout;
846 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
847 bfad->cfg_data.io_max_sge = bfa_io_max_sge;
848 bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
849
850 rc = bfad_hal_mem_alloc(bfad);
851 if (rc != BFA_STATUS_OK) {
852 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
853 bfad->inst_no);
854 printk(KERN_WARNING
a36c61f9
KG		 855 "Not enough memory to attach all Brocade HBA ports, %s",
856 "System may need more memory.\n");
7725ccfd
JH		 857 goto out_hal_mem_alloc_failure;
858 }
859
f7f73812
MZ		 860 bfad->bfa.trcmod = bfad->trcmod;
861 bfad->bfa.plog = &bfad->plog_buf;
7725ccfd
JH		 862 bfa_plog_init(&bfad->plog_buf);
863 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
864 0, "Driver Attach");
865
866 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
867 &bfad->hal_pcidev);
868
a36c61f9 869 /* FCS INIT */
7725ccfd 870 spin_lock_irqsave(&bfad->bfad_lock, flags);
f7f73812 871 bfad->bfa_fcs.trcmod = bfad->trcmod;
82794a2e 872 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
f7f73812 873 bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
75332a70 874 bfa_fcs_init(&bfad->bfa_fcs);
7725ccfd
JH		 875 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
876
877 bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
a36c61f9 878
75332a70
KG		 879 /* configure base port */
880 rc = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
881 if (rc != BFA_STATUS_OK)
882 goto out_cfg_pport_fail;
883
7725ccfd
JH		 884 return BFA_STATUS_OK;
885
75332a70
KG		 886out_cfg_pport_fail:
887 /* fcs exit - on cfg pport failure */
888 spin_lock_irqsave(&bfad->bfad_lock, flags);
889 init_completion(&bfad->comp);
890 bfad->pport.flags |= BFAD_PORT_DELETE;
891 bfa_fcs_exit(&bfad->bfa_fcs);
892 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
893 wait_for_completion(&bfad->comp);
894 /* bfa detach - free hal memory */
895 bfa_detach(&bfad->bfa);
896 bfad_hal_mem_release(bfad);
7725ccfd
JH		 897out_hal_mem_alloc_failure:
898 return BFA_STATUS_FAILED;
899}
900
901void
902bfad_drv_uninit(struct bfad_s *bfad)
903{
e6714324
KG		 904 unsigned long flags;
905
906 spin_lock_irqsave(&bfad->bfad_lock, flags);
907 init_completion(&bfad->comp);
f7f73812 908 bfa_iocfc_stop(&bfad->bfa);
e6714324
KG		 909 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
910 wait_for_completion(&bfad->comp);
911
7725ccfd
JH		 912 del_timer_sync(&bfad->hal_tmo);
913 bfa_isr_disable(&bfad->bfa);
914 bfa_detach(&bfad->bfa);
915 bfad_remove_intr(bfad);
7725ccfd 916 bfad_hal_mem_release(bfad);
e6714324
KG		 917
918 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
7725ccfd
JH		 919}
920
921void
922bfad_drv_start(struct bfad_s *bfad)
923{
a36c61f9 924 unsigned long flags;
7725ccfd
JH		 925
926 spin_lock_irqsave(&bfad->bfad_lock, flags);
f7f73812 927 bfa_iocfc_start(&bfad->bfa);
75332a70 928 bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
f7f73812 929 bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
7725ccfd
JH		 930 bfad->bfad_flags |= BFAD_HAL_START_DONE;
931 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
932
a36c61f9
KG		 933 if (bfad->im)
934 flush_workqueue(bfad->im->drv_workq);
7725ccfd
JH		 935}
936
937void
a36c61f9 938bfad_fcs_stop(struct bfad_s *bfad)
7725ccfd 939{
a36c61f9 940 unsigned long flags;
7725ccfd
JH		 941
942 spin_lock_irqsave(&bfad->bfad_lock, flags);
943 init_completion(&bfad->comp);
944 bfad->pport.flags |= BFAD_PORT_DELETE;
945 bfa_fcs_exit(&bfad->bfa_fcs);
946 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
947 wait_for_completion(&bfad->comp);
948
a36c61f9
KG		 949 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
950}
951
952void
953bfad_stop(struct bfad_s *bfad)
954{
955 unsigned long flags;
956
7725ccfd
JH		 957 spin_lock_irqsave(&bfad->bfad_lock, flags);
958 init_completion(&bfad->comp);
f7f73812 959 bfa_iocfc_stop(&bfad->bfa);
7725ccfd
JH		 960 bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
961 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
962 wait_for_completion(&bfad->comp);
a36c61f9
KG		 963
964 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
7725ccfd
JH		 965}
966
967bfa_status_t
a36c61f9 968bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
7725ccfd 969{
a36c61f9 970 int rc = BFA_STATUS_OK;
7725ccfd 971
a36c61f9
KG		 972 /* Allocate scsi_host for the physical port */
973 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
974 (role & BFA_LPORT_ROLE_FCP_IM)) {
7725ccfd
JH		 975 if (bfad->pport.im_port == NULL) {
976 rc = BFA_STATUS_FAILED;
977 goto out;
978 }
979
b504293f
JH		 980 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
981 &bfad->pcidev->dev);
7725ccfd
JH		 982 if (rc != BFA_STATUS_OK)
983 goto out;
984
a36c61f9 985 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
7725ccfd
JH		 986 }
987
988 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
989
990out:
991 return rc;
992}
993
994void
995bfad_uncfg_pport(struct bfad_s *bfad)
996{
a36c61f9
KG		 997 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
998 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
7725ccfd
JH		 999 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
1000 bfad_im_port_clean(bfad->pport.im_port);
1001 kfree(bfad->pport.im_port);
a36c61f9 1002 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
7725ccfd
JH		 1003 }
1004
1005 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
1006}
1007
e6714324 1008bfa_status_t
a36c61f9
KG		 1009bfad_start_ops(struct bfad_s *bfad) {
1010
1011 int retval;
1012 unsigned long flags;
1013 struct bfad_vport_s *vport, *vport_new;
1014 struct bfa_fcs_driver_info_s driver_info;
1015
61e62e21
KG		 1016 /* Limit min/max. xfer size to [64k-32MB] */
1017 if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
1018 max_xfer_size = BFAD_MIN_SECTORS >> 1;
1019 if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
1020 max_xfer_size = BFAD_MAX_SECTORS >> 1;
1021
a36c61f9
KG		 1022 /* Fill the driver_info info to fcs*/
1023 memset(&driver_info, 0, sizeof(driver_info));
1024 strncpy(driver_info.version, BFAD_DRIVER_VERSION,
1025 sizeof(driver_info.version) - 1);
1026 if (host_name)
1027 strncpy(driver_info.host_machine_name, host_name,
1028 sizeof(driver_info.host_machine_name) - 1);
1029 if (os_name)
1030 strncpy(driver_info.host_os_name, os_name,
1031 sizeof(driver_info.host_os_name) - 1);
1032 if (os_patch)
1033 strncpy(driver_info.host_os_patch, os_patch,
1034 sizeof(driver_info.host_os_patch) - 1);
1035
1036 strncpy(driver_info.os_device_name, bfad->pci_name,
30ac379a 1037 sizeof(driver_info.os_device_name) - 1);
a36c61f9 1038
75332a70 1039 /* FCS driver info init */
a36c61f9
KG		 1040 spin_lock_irqsave(&bfad->bfad_lock, flags);
1041 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
a36c61f9 1042 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
e6714324 1043
75332a70
KG		 1044 /*
1045 * FCS update cfg - reset the pwwn/nwwn of fabric base logical port
1046 * with values learned during bfa_init firmware GETATTR REQ.
1047 */
1048 bfa_fcs_update_cfg(&bfad->bfa_fcs);
1049
1050 /* Setup fc host fixed attribute if the lk supports */
1051 bfad_fc_host_init(bfad->pport.im_port);
e6714324 1052
a36c61f9
KG		 1053 /* BFAD level FC4 IM specific resource allocation */
1054 retval = bfad_im_probe(bfad);
1055 if (retval != BFA_STATUS_OK) {
1056 printk(KERN_WARNING "bfad_im_probe failed\n");
1057 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1058 bfa_sm_set_state(bfad, bfad_sm_failed);
1059 bfad_im_probe_undo(bfad);
1060 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
1061 bfad_uncfg_pport(bfad);
1062 bfad_stop(bfad);
1063 return BFA_STATUS_FAILED;
1064 } else
1065 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1066
e6714324
KG		 1067 bfad_drv_start(bfad);
1068
a36c61f9
KG		 1069 /* Complete pbc vport create */
1070 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1071 list_entry) {
d9883548
JH		 1072 struct fc_vport_identifiers vid;
1073 struct fc_vport *fc_vport;
a36c61f9 1074 char pwwn_buf[BFA_STRING_32];
d9883548
JH		 1075
1076 memset(&vid, 0, sizeof(vid));
1077 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1078 vid.vport_type = FC_PORTTYPE_NPIV;
1079 vid.disable = false;
a36c61f9
KG		 1080 vid.node_name = wwn_to_u64((u8 *)
1081 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1082 vid.port_name = wwn_to_u64((u8 *)
1083 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
d9883548 1084 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
a36c61f9
KG		 1085 if (!fc_vport) {
1086 wwn2str(pwwn_buf, vid.port_name);
d9883548 1087 printk(KERN_WARNING "bfad%d: failed to create pbc vport"
a36c61f9
KG		 1088 " %s\n", bfad->inst_no, pwwn_buf);
1089 }
1090 list_del(&vport->list_entry);
1091 kfree(vport);
d9883548
JH		 1092 }
1093
e6714324
KG		 1094 /*
1095 * If bfa_linkup_delay is set to -1 default; try to retrive the
f16a1750 1096 * value using the bfad_get_linkup_delay(); else use the
e6714324
KG		 1097 * passed in module param value as the bfa_linkup_delay.
1098 */
1099 if (bfa_linkup_delay < 0) {
f16a1750
MZ		 1100 bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1101 bfad_rport_online_wait(bfad);
e6714324 1102 bfa_linkup_delay = -1;
a36c61f9 1103 } else
f16a1750 1104 bfad_rport_online_wait(bfad);
e6714324 1105
88166242 1106 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
e6714324
KG		 1107
1108 return BFA_STATUS_OK;
e6714324
KG		 1109}
1110
1111int
d9883548 1112bfad_worker(void *ptr)
e6714324
KG		 1113{
1114 struct bfad_s *bfad;
1115 unsigned long flags;
1116
1117 bfad = (struct bfad_s *)ptr;
1118
1119 while (!kthread_should_stop()) {
1120
a36c61f9
KG		 1121 /* Send event BFAD_E_INIT_SUCCESS */
1122 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
e6714324
KG		 1123
1124 spin_lock_irqsave(&bfad->bfad_lock, flags);
1125 bfad->bfad_tsk = NULL;
1126 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1127
1128 break;
1129 }
1130
1131 return 0;
1132}
1133
5fbe25c7 1134/*
a36c61f9
KG		 1135 * BFA driver interrupt functions
1136 */
1137irqreturn_t
1138bfad_intx(int irq, void *dev_id)
1139{
1140 struct bfad_s *bfad = dev_id;
1141 struct list_head doneq;
1142 unsigned long flags;
1143 bfa_boolean_t rc;
1144
1145 spin_lock_irqsave(&bfad->bfad_lock, flags);
1146 rc = bfa_intx(&bfad->bfa);
1147 if (!rc) {
1148 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1149 return IRQ_NONE;
1150 }
1151
1152 bfa_comp_deq(&bfad->bfa, &doneq);
1153 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1154
1155 if (!list_empty(&doneq)) {
1156 bfa_comp_process(&bfad->bfa, &doneq);
1157
1158 spin_lock_irqsave(&bfad->bfad_lock, flags);
1159 bfa_comp_free(&bfad->bfa, &doneq);
1160 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
a36c61f9
KG		 1161 }
1162
1163 return IRQ_HANDLED;
1164
1165}
1166
1167static irqreturn_t
1168bfad_msix(int irq, void *dev_id)
1169{
1170 struct bfad_msix_s *vec = dev_id;
1171 struct bfad_s *bfad = vec->bfad;
1172 struct list_head doneq;
1173 unsigned long flags;
1174
1175 spin_lock_irqsave(&bfad->bfad_lock, flags);
1176
1177 bfa_msix(&bfad->bfa, vec->msix.entry);
1178 bfa_comp_deq(&bfad->bfa, &doneq);
1179 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1180
1181 if (!list_empty(&doneq)) {
1182 bfa_comp_process(&bfad->bfa, &doneq);
1183
1184 spin_lock_irqsave(&bfad->bfad_lock, flags);
1185 bfa_comp_free(&bfad->bfa, &doneq);
1186 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1187 }
1188
1189 return IRQ_HANDLED;
1190}
1191
5fbe25c7 1192/*
a36c61f9
KG		 1193 * Initialize the MSIX entry table.
1194 */
1195static void
1196bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1197 int mask, int max_bit)
1198{
1199 int i;
1200 int match = 0x00000001;
1201
1202 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1203 if (mask & match) {
1204 bfad->msix_tab[bfad->nvec].msix.entry = i;
1205 bfad->msix_tab[bfad->nvec].bfad = bfad;
1206 msix_entries[bfad->nvec].entry = i;
1207 bfad->nvec++;
1208 }
1209
1210 match <<= 1;
1211 }
1212
1213}
1214
1215int
1216bfad_install_msix_handler(struct bfad_s *bfad)
1217{
1218 int i, error = 0;
1219
1220 for (i = 0; i < bfad->nvec; i++) {
1221 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1222 bfad->pci_name,
11189208
KG		 1223 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1224 msix_name_cb[i] : msix_name_ct[i]));
a36c61f9
KG		 1225
1226 error = request_irq(bfad->msix_tab[i].msix.vector,
1227 (irq_handler_t) bfad_msix, 0,
1228 bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1229 bfa_trc(bfad, i);
1230 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1231 if (error) {
1232 int j;
1233
1234 for (j = 0; j < i; j++)
1235 free_irq(bfad->msix_tab[j].msix.vector,
1236 &bfad->msix_tab[j]);
1237
61e62e21
KG		 1238 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1239 pci_disable_msix(bfad->pcidev);
1240
a36c61f9
KG		 1241 return 1;
1242 }
1243 }
1244
1245 return 0;
1246}
1247
5fbe25c7 1248/*
a36c61f9
KG		 1249 * Setup MSIX based interrupt.
1250 */
1251int
1252bfad_setup_intr(struct bfad_s *bfad)
1253{
1254 int error = 0;
1255 u32 mask = 0, i, num_bit = 0, max_bit = 0;
1256 struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1257 struct pci_dev *pdev = bfad->pcidev;
10a07379 1258 u16 reg;
a36c61f9
KG		 1259
1260 /* Call BFA to get the msix map for this PCI function. */
1261 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1262
1263 /* Set up the msix entry table */
1264 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1265
11189208
KG		 1266 if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1267 (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
a36c61f9
KG		 1268
1269 error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec);
1270 if (error) {
881c1b3c
KG		 1271 /* In CT1 & CT2, try to allocate just one vector */
1272 if (bfa_asic_id_ctc(pdev->device)) {
1273 printk(KERN_WARNING "bfa %s: trying one msix "
1274 "vector failed to allocate %d[%d]\n",
1275 bfad->pci_name, bfad->nvec, error);
1276 bfad->nvec = 1;
1277 error = pci_enable_msix(bfad->pcidev,
1278 msix_entries, bfad->nvec);
1279 }
1280
a36c61f9
KG		 1281 /*
1282 * Only error number of vector is available.
1283 * We don't have a mechanism to map multiple
1284 * interrupts into one vector, so even if we
1285 * can try to request less vectors, we don't
1286 * know how to associate interrupt events to
25985edc 1287 * vectors. Linux doesn't duplicate vectors
a36c61f9
KG		 1288 * in the MSIX table for this case.
1289 */
881c1b3c
KG		 1290 if (error) {
1291 printk(KERN_WARNING "bfad%d: "
1292 "pci_enable_msix failed (%d), "
1293 "use line based.\n",
1294 bfad->inst_no, error);
1295 goto line_based;
1296 }
a36c61f9
KG		 1297 }
1298
10a07379
KG		 1299 /* Disable INTX in MSI-X mode */
1300 pci_read_config_word(pdev, PCI_COMMAND, &reg);
1301
1302 if (!(reg & PCI_COMMAND_INTX_DISABLE))
1303 pci_write_config_word(pdev, PCI_COMMAND,
1304 reg | PCI_COMMAND_INTX_DISABLE);
1305
a36c61f9
KG		 1306 /* Save the vectors */
1307 for (i = 0; i < bfad->nvec; i++) {
1308 bfa_trc(bfad, msix_entries[i].vector);
1309 bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1310 }
1311
1312 bfa_msix_init(&bfad->bfa, bfad->nvec);
1313
1314 bfad->bfad_flags |= BFAD_MSIX_ON;
1315
1316 return error;
1317 }
1318
1319line_based:
1320 error = 0;
1321 if (request_irq
1322 (bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS,
1323 BFAD_DRIVER_NAME, bfad) != 0) {
1324 /* Enable interrupt handler failed */
1325 return 1;
1326 }
61e62e21 1327 bfad->bfad_flags |= BFAD_INTX_ON;
a36c61f9
KG		 1328
1329 return error;
1330}
1331
1332void
1333bfad_remove_intr(struct bfad_s *bfad)
1334{
1335 int i;
1336
1337 if (bfad->bfad_flags & BFAD_MSIX_ON) {
1338 for (i = 0; i < bfad->nvec; i++)
1339 free_irq(bfad->msix_tab[i].msix.vector,
1340 &bfad->msix_tab[i]);
1341
1342 pci_disable_msix(bfad->pcidev);
1343 bfad->bfad_flags &= ~BFAD_MSIX_ON;
61e62e21 1344 } else if (bfad->bfad_flags & BFAD_INTX_ON) {
a36c61f9
KG		 1345 free_irq(bfad->pcidev->irq, bfad);
1346 }
1347}
7725ccfd 1348
5fbe25c7 1349/*
7725ccfd
JH		 1350 * PCI probe entry.
1351 */
1352int
1353bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1354{
a36c61f9 1355 struct bfad_s *bfad;
7826f304 1356 int error = -ENODEV, retval, i;
7725ccfd 1357
a36c61f9 1358 /* For single port cards - only claim function 0 */
8b070b4a 1359 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
a36c61f9 1360 (PCI_FUNC(pdev->devfn) != 0))
7725ccfd
JH		 1361 return -ENODEV;
1362
7725ccfd
JH		 1363 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1364 if (!bfad) {
1365 error = -ENOMEM;
1366 goto out;
1367 }
1368
1369 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1370 if (!bfad->trcmod) {
1371 printk(KERN_WARNING "Error alloc trace buffer!\n");
1372 error = -ENOMEM;
1373 goto out_alloc_trace_failure;
1374 }
1375
a36c61f9 1376 /* TRACE INIT */
7725ccfd
JH		 1377 bfa_trc_init(bfad->trcmod);
1378 bfa_trc(bfad, bfad_inst);
1379
7826f304
KG		 1380 /* AEN INIT */
1381 INIT_LIST_HEAD(&bfad->free_aen_q);
1382 INIT_LIST_HEAD(&bfad->active_aen_q);
1383 for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1384 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1385
7725ccfd 1386 if (!(bfad_load_fwimg(pdev))) {
7725ccfd
JH		 1387 kfree(bfad->trcmod);
1388 goto out_alloc_trace_failure;
1389 }
1390
1391 retval = bfad_pci_init(pdev, bfad);
1392 if (retval) {
1393 printk(KERN_WARNING "bfad_pci_init failure!\n");
1394 error = retval;
1395 goto out_pci_init_failure;
1396 }
1397
1398 mutex_lock(&bfad_mutex);
1399 bfad->inst_no = bfad_inst++;
1400 list_add_tail(&bfad->list_entry, &bfad_list);
1401 mutex_unlock(&bfad_mutex);
1402
a36c61f9
KG		 1403 /* Initializing the state machine: State set to uninit */
1404 bfa_sm_set_state(bfad, bfad_sm_uninit);
1405
7725ccfd 1406 spin_lock_init(&bfad->bfad_lock);
0b1017aa
KM		 1407 spin_lock_init(&bfad->bfad_aen_spinlock);
1408
7725ccfd
JH		 1409 pci_set_drvdata(pdev, bfad);
1410
1411 bfad->ref_count = 0;
1412 bfad->pport.bfad = bfad;
a36c61f9 1413 INIT_LIST_HEAD(&bfad->pbc_vport_list);
5b7db7af 1414 INIT_LIST_HEAD(&bfad->vport_list);
e6714324 1415
7c38c05b
KG		 1416 /* Setup the debugfs node for this bfad */
1417 if (bfa_debugfs_enable)
1418 bfad_debugfs_init(&bfad->pport);
1419
7725ccfd
JH		 1420 retval = bfad_drv_init(bfad);
1421 if (retval != BFA_STATUS_OK)
1422 goto out_drv_init_failure;
7725ccfd 1423
a36c61f9 1424 bfa_sm_send_event(bfad, BFAD_E_CREATE);
7725ccfd 1425
a36c61f9
KG		 1426 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1427 goto out_bfad_sm_failure;
7725ccfd 1428
7725ccfd
JH		 1429 return 0;
1430
a36c61f9
KG		 1431out_bfad_sm_failure:
1432 bfa_detach(&bfad->bfa);
1433 bfad_hal_mem_release(bfad);
7725ccfd 1434out_drv_init_failure:
7c38c05b
KG		 1435 /* Remove the debugfs node for this bfad */
1436 kfree(bfad->regdata);
1437 bfad_debugfs_exit(&bfad->pport);
7725ccfd
JH		 1438 mutex_lock(&bfad_mutex);
1439 bfad_inst--;
1440 list_del(&bfad->list_entry);
1441 mutex_unlock(&bfad_mutex);
1442 bfad_pci_uninit(pdev, bfad);
1443out_pci_init_failure:
1444 kfree(bfad->trcmod);
1445out_alloc_trace_failure:
1446 kfree(bfad);
1447out:
1448 return error;
1449}
1450
5fbe25c7 1451/*
7725ccfd
JH		 1452 * PCI remove entry.
1453 */
1454void
1455bfad_pci_remove(struct pci_dev *pdev)
1456{
a36c61f9
KG		 1457 struct bfad_s *bfad = pci_get_drvdata(pdev);
1458 unsigned long flags;
7725ccfd
JH		 1459
1460 bfa_trc(bfad, bfad->inst_no);
1461
e6714324 1462 spin_lock_irqsave(&bfad->bfad_lock, flags);
a36c61f9 1463 if (bfad->bfad_tsk != NULL) {
7725ccfd 1464 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
a36c61f9
KG		 1465 kthread_stop(bfad->bfad_tsk);
1466 } else {
e6714324 1467 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
e6714324 1468 }
7725ccfd 1469
a36c61f9
KG		 1470 /* Send Event BFAD_E_STOP */
1471 bfa_sm_send_event(bfad, BFAD_E_STOP);
e6714324 1472
a36c61f9 1473 /* Driver detach and dealloc mem */
7725ccfd
JH		 1474 spin_lock_irqsave(&bfad->bfad_lock, flags);
1475 bfa_detach(&bfad->bfa);
1476 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1477 bfad_hal_mem_release(bfad);
7725ccfd 1478
7c38c05b
KG		 1479 /* Remove the debugfs node for this bfad */
1480 kfree(bfad->regdata);
1481 bfad_debugfs_exit(&bfad->pport);
1482
a36c61f9 1483 /* Cleaning the BFAD instance */
7725ccfd
JH		 1484 mutex_lock(&bfad_mutex);
1485 bfad_inst--;
1486 list_del(&bfad->list_entry);
1487 mutex_unlock(&bfad_mutex);
1488 bfad_pci_uninit(pdev, bfad);
1489
1490 kfree(bfad->trcmod);
1491 kfree(bfad);
1492}
1493
881c1b3c
KG		 1494/*
1495 * PCI Error Recovery entry, error detected.
1496 */
1497static pci_ers_result_t
1498bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1499{
1500 struct bfad_s *bfad = pci_get_drvdata(pdev);
1501 unsigned long flags;
1502 pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1503
1504 dev_printk(KERN_ERR, &pdev->dev,
1505 "error detected state: %d - flags: 0x%x\n",
1506 state, bfad->bfad_flags);
1507
1508 switch (state) {
1509 case pci_channel_io_normal: /* non-fatal error */
1510 spin_lock_irqsave(&bfad->bfad_lock, flags);
1511 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1512 /* Suspend/fail all bfa operations */
1513 bfa_ioc_suspend(&bfad->bfa.ioc);
1514 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1515 del_timer_sync(&bfad->hal_tmo);
1516 ret = PCI_ERS_RESULT_CAN_RECOVER;
1517 break;
1518 case pci_channel_io_frozen: /* fatal error */
1519 init_completion(&bfad->comp);
1520 spin_lock_irqsave(&bfad->bfad_lock, flags);
1521 bfad->bfad_flags |= BFAD_EEH_BUSY;
1522 /* Suspend/fail all bfa operations */
1523 bfa_ioc_suspend(&bfad->bfa.ioc);
1524 bfa_fcs_stop(&bfad->bfa_fcs);
1525 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1526 wait_for_completion(&bfad->comp);
1527
1528 bfad_remove_intr(bfad);
1529 del_timer_sync(&bfad->hal_tmo);
1530 pci_disable_device(pdev);
1531 ret = PCI_ERS_RESULT_NEED_RESET;
1532 break;
1533 case pci_channel_io_perm_failure: /* PCI Card is DEAD */
1534 spin_lock_irqsave(&bfad->bfad_lock, flags);
1535 bfad->bfad_flags |= BFAD_EEH_BUSY |
1536 BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1537 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1538
1539 /* If the error_detected handler is called with the reason
1540 * pci_channel_io_perm_failure - it will subsequently call
1541 * pci_remove() entry point to remove the pci device from the
1542 * system - So defer the cleanup to pci_remove(); cleaning up
1543 * here causes inconsistent state during pci_remove().
1544 */
1545 ret = PCI_ERS_RESULT_DISCONNECT;
1546 break;
1547 default:
1548 WARN_ON(1);
1549 }
1550
1551 return ret;
1552}
1553
1554int
1555restart_bfa(struct bfad_s *bfad)
1556{
1557 unsigned long flags;
1558 struct pci_dev *pdev = bfad->pcidev;
1559
1560 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1561 &bfad->meminfo, &bfad->hal_pcidev);
1562
1563 /* Enable Interrupt and wait bfa_init completion */
1564 if (bfad_setup_intr(bfad)) {
1565 dev_printk(KERN_WARNING, &pdev->dev,
1566 "%s: bfad_setup_intr failed\n", bfad->pci_name);
1567 bfa_sm_send_event(bfad, BFAD_E_INTR_INIT_FAILED);
1568 return -1;
1569 }
1570
1571 init_completion(&bfad->comp);
1572 spin_lock_irqsave(&bfad->bfad_lock, flags);
1573 bfa_iocfc_init(&bfad->bfa);
1574 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1575
1576 /* Set up interrupt handler for each vectors */
1577 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1578 bfad_install_msix_handler(bfad))
1579 dev_printk(KERN_WARNING, &pdev->dev,
1580 "%s: install_msix failed.\n", bfad->pci_name);
1581
1582 bfad_init_timer(bfad);
1583 wait_for_completion(&bfad->comp);
1584 bfad_drv_start(bfad);
1585
1586 return 0;
1587}
1588
1589/*
1590 * PCI Error Recovery entry, re-initialize the chip.
1591 */
1592static pci_ers_result_t
1593bfad_pci_slot_reset(struct pci_dev *pdev)
1594{
1595 struct bfad_s *bfad = pci_get_drvdata(pdev);
1596 u8 byte;
1597
1598 dev_printk(KERN_ERR, &pdev->dev,
1599 "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1600
1601 if (pci_enable_device(pdev)) {
1602 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1603 "PCI device after reset.\n");
1604 return PCI_ERS_RESULT_DISCONNECT;
1605 }
1606
1607 pci_restore_state(pdev);
1608
1609 /*
1610 * Read some byte (e.g. DMA max. payload size which can't
1611 * be 0xff any time) to make sure - we did not hit another PCI error
1612 * in the middle of recovery. If we did, then declare permanent failure.
1613 */
1614 pci_read_config_byte(pdev, 0x68, &byte);
1615 if (byte == 0xff) {
1616 dev_printk(KERN_ERR, &pdev->dev,
1617 "slot_reset failed ... got another PCI error !\n");
1618 goto out_disable_device;
1619 }
1620
1621 pci_save_state(pdev);
1622 pci_set_master(pdev);
1623
1624 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(64)) != 0)
1625 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(32)) != 0)
1626 goto out_disable_device;
1627
1628 pci_cleanup_aer_uncorrect_error_status(pdev);
1629
1630 if (restart_bfa(bfad) == -1)
1631 goto out_disable_device;
1632
1633 pci_enable_pcie_error_reporting(pdev);
1634 dev_printk(KERN_WARNING, &pdev->dev,
1635 "slot_reset completed flags: 0x%x!\n", bfad->bfad_flags);
1636
1637 return PCI_ERS_RESULT_RECOVERED;
1638
1639out_disable_device:
1640 pci_disable_device(pdev);
1641 return PCI_ERS_RESULT_DISCONNECT;
1642}
1643
1644static pci_ers_result_t
1645bfad_pci_mmio_enabled(struct pci_dev *pdev)
1646{
1647 unsigned long flags;
1648 struct bfad_s *bfad = pci_get_drvdata(pdev);
1649
1650 dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1651
1652 /* Fetch FW diagnostic information */
1653 bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1654
1655 /* Cancel all pending IOs */
1656 spin_lock_irqsave(&bfad->bfad_lock, flags);
1657 init_completion(&bfad->comp);
1658 bfa_fcs_stop(&bfad->bfa_fcs);
1659 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1660 wait_for_completion(&bfad->comp);
1661
1662 bfad_remove_intr(bfad);
1663 del_timer_sync(&bfad->hal_tmo);
1664 pci_disable_device(pdev);
1665
1666 return PCI_ERS_RESULT_NEED_RESET;
1667}
1668
1669static void
1670bfad_pci_resume(struct pci_dev *pdev)
1671{
1672 unsigned long flags;
1673 struct bfad_s *bfad = pci_get_drvdata(pdev);
1674
1675 dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1676
1677 /* wait until the link is online */
1678 bfad_rport_online_wait(bfad);
1679
1680 spin_lock_irqsave(&bfad->bfad_lock, flags);
1681 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1682 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1683}
1684
a36c61f9 1685struct pci_device_id bfad_id_table[] = {
7725ccfd 1686 {
a36c61f9
KG		 1687 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1688 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1689 .subvendor = PCI_ANY_ID,
1690 .subdevice = PCI_ANY_ID,
1691 },
7725ccfd 1692 {
a36c61f9
KG		 1693 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1694 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1695 .subvendor = PCI_ANY_ID,
1696 .subdevice = PCI_ANY_ID,
1697 },
7725ccfd 1698 {
a36c61f9
KG		 1699 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1700 .device = BFA_PCI_DEVICE_ID_CT,
1701 .subvendor = PCI_ANY_ID,
1702 .subdevice = PCI_ANY_ID,
1703 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1704 .class_mask = ~0,
1705 },
293f82d5 1706 {
a36c61f9
KG		 1707 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1708 .device = BFA_PCI_DEVICE_ID_CT_FC,
1709 .subvendor = PCI_ANY_ID,
1710 .subdevice = PCI_ANY_ID,
1711 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1712 .class_mask = ~0,
293f82d5 1713 },
11189208
KG		 1714 {
1715 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1716 .device = BFA_PCI_DEVICE_ID_CT2,
1717 .subvendor = PCI_ANY_ID,
1718 .subdevice = PCI_ANY_ID,
1719 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1720 .class_mask = ~0,
1721 },
7725ccfd
JH		 1722
1723 {0, 0},
1724};
1725
1726MODULE_DEVICE_TABLE(pci, bfad_id_table);
1727
881c1b3c
KG		 1728/*
1729 * PCI error recovery handlers.
1730 */
1731static struct pci_error_handlers bfad_err_handler = {
1732 .error_detected = bfad_pci_error_detected,
1733 .slot_reset = bfad_pci_slot_reset,
1734 .mmio_enabled = bfad_pci_mmio_enabled,
1735 .resume = bfad_pci_resume,
1736};
1737
7725ccfd
JH		 1738static struct pci_driver bfad_pci_driver = {
1739 .name = BFAD_DRIVER_NAME,
1740 .id_table = bfad_id_table,
1741 .probe = bfad_pci_probe,
6f039790 1742 .remove = bfad_pci_remove,
881c1b3c 1743 .err_handler = &bfad_err_handler,
7725ccfd
JH		 1744};
1745
5fbe25c7 1746/*
7725ccfd
JH		 1747 * Driver module init.
1748 */
a36c61f9 1749static int __init
7725ccfd
JH		 1750bfad_init(void)
1751{
a36c61f9 1752 int error = 0;
7725ccfd
JH		 1753
1754 printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n",
a36c61f9 1755 BFAD_DRIVER_VERSION);
7725ccfd
JH		 1756
1757 if (num_sgpgs > 0)
1758 num_sgpgs_parm = num_sgpgs;
1759
a36c61f9 1760 error = bfad_im_module_init();
7725ccfd
JH		 1761 if (error) {
1762 error = -ENOMEM;
a36c61f9 1763 printk(KERN_WARNING "bfad_im_module_init failure\n");
7725ccfd
JH		 1764 goto ext;
1765 }
1766
a36c61f9
KG		 1767 if (strcmp(FCPI_NAME, " fcpim") == 0)
1768 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
7725ccfd 1769
f7f73812 1770 bfa_auto_recover = ioc_auto_recover;
7725ccfd 1771 bfa_fcs_rport_set_del_timeout(rport_del_timeout);
61ba4394 1772 bfa_fcs_rport_set_max_logins(max_rport_logins);
7725ccfd 1773
a36c61f9 1774 error = pci_register_driver(&bfad_pci_driver);
7725ccfd 1775 if (error) {
a36c61f9 1776 printk(KERN_WARNING "pci_register_driver failure\n");
7725ccfd
JH		 1777 goto ext;
1778 }
1779
1780 return 0;
1781
1782ext:
a36c61f9 1783 bfad_im_module_exit();
7725ccfd
JH		 1784 return error;
1785}
1786
5fbe25c7 1787/*
7725ccfd
JH		 1788 * Driver module exit.
1789 */
a36c61f9 1790static void __exit
7725ccfd
JH		 1791bfad_exit(void)
1792{
1793 pci_unregister_driver(&bfad_pci_driver);
a36c61f9 1794 bfad_im_module_exit();
7725ccfd
JH		 1795 bfad_free_fwimg();
1796}
1797
a36c61f9 1798/* Firmware handling */
61338a0b 1799static void
a36c61f9
KG		 1800bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1801 u32 *bfi_image_size, char *fw_name)
1802{
1803 const struct firmware *fw;
1804
1805 if (request_firmware(&fw, fw_name, &pdev->dev)) {
1806 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
61338a0b
JH		 1807 *bfi_image = NULL;
1808 goto out;
a36c61f9
KG		 1809 }
1810
1811 *bfi_image = vmalloc(fw->size);
1812 if (NULL == *bfi_image) {
1813 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1814 "size=%x!\n", (u32) fw->size);
61338a0b 1815 goto out;
a36c61f9
KG		 1816 }
1817
1818 memcpy(*bfi_image, fw->data, fw->size);
1819 *bfi_image_size = fw->size/sizeof(u32);
61338a0b
JH		 1820out:
1821 release_firmware(fw);
a36c61f9
KG		 1822}
1823
61338a0b
JH		 1824static u32 *
1825bfad_load_fwimg(struct pci_dev *pdev)
a36c61f9 1826{
ed9d61e9 1827 if (bfa_asic_id_ct2(pdev->device)) {
11189208
KG		 1828 if (bfi_image_ct2_size == 0)
1829 bfad_read_firmware(pdev, &bfi_image_ct2,
1830 &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1831 return bfi_image_ct2;
1832 } else if (bfa_asic_id_ct(pdev->device)) {
1833 if (bfi_image_ct_size == 0)
1834 bfad_read_firmware(pdev, &bfi_image_ct,
1835 &bfi_image_ct_size, BFAD_FW_FILE_CT);
1836 return bfi_image_ct;
ed9d61e9 1837 } else if (bfa_asic_id_cb(pdev->device)) {
11189208
KG		 1838 if (bfi_image_cb_size == 0)
1839 bfad_read_firmware(pdev, &bfi_image_cb,
1840 &bfi_image_cb_size, BFAD_FW_FILE_CB);
1841 return bfi_image_cb;
a36c61f9 1842 }
ed9d61e9
VMG		 1843
1844 return NULL;
a36c61f9 1845}
7725ccfd 1846
61338a0b
JH		 1847static void
1848bfad_free_fwimg(void)
1849{
11189208
KG		 1850 if (bfi_image_ct2_size && bfi_image_ct2)
1851 vfree(bfi_image_ct2);
1852 if (bfi_image_ct_size && bfi_image_ct)
1853 vfree(bfi_image_ct);
1854 if (bfi_image_cb_size && bfi_image_cb)
1855 vfree(bfi_image_cb);
61338a0b
JH		 1856}
1857
7725ccfd
JH		 1858module_init(bfad_init);
1859module_exit(bfad_exit);
1860MODULE_LICENSE("GPL");
1861MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1862MODULE_AUTHOR("Brocade Communications Systems, Inc.");
1863MODULE_VERSION(BFAD_DRIVER_VERSION);
kernel source for telekom puls (alcatel/mediatek)