projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge tag 'mfd-3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd...
[GitHub/moto-9609/android_kernel_motorola_exynos9610.git] / drivers / scsi / bfa / bfad.c
1 /*
2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
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
18 /*
19 * bfad.c Linux driver PCI interface module.
20 */
21 #include <linux/module.h>
22 #include <linux/kthread.h>
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
32 #include "bfad_drv.h"
33 #include "bfad_im.h"
34 #include "bfa_fcs.h"
35 #include "bfa_defs.h"
36 #include "bfa.h"
37
38 BFA_TRC_FILE(LDRV, BFAD);
39 DEFINE_MUTEX(bfad_mutex);
40 LIST_HEAD(bfad_list);
41
42 static int bfad_inst;
43 static int num_sgpgs_parm;
44 int supported_fc4s;
45 char *host_name, *os_name, *os_patch;
46 int num_rports, num_ios, num_tms;
47 int num_fcxps, num_ufbufs;
48 int reqq_size, rspq_size, num_sgpgs;
49 int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
50 int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
51 int bfa_io_max_sge = BFAD_IO_MAX_SGE;
52 int bfa_log_level = 3; /* WARNING log level */
53 int ioc_auto_recover = BFA_TRUE;
54 int bfa_linkup_delay = -1;
55 int fdmi_enable = BFA_TRUE;
56 int pcie_max_read_reqsz;
57 int bfa_debugfs_enable = 1;
58 int msix_disable_cb = 0, msix_disable_ct = 0;
59 int max_xfer_size = BFAD_MAX_SECTORS >> 1;
60 int max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS;
61
62 /* Firmware releated */
63 u32 bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size;
64 u32 *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2;
65
66 #define BFAD_FW_FILE_CB "cbfw-3.2.1.1.bin"
67 #define BFAD_FW_FILE_CT "ctfw-3.2.1.1.bin"
68 #define BFAD_FW_FILE_CT2 "ct2fw-3.2.1.1.bin"
69
70 static u32 *bfad_load_fwimg(struct pci_dev *pdev);
71 static void bfad_free_fwimg(void);
72 static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
73 u32 *bfi_image_size, char *fw_name);
74
75 static const char *msix_name_ct[] = {
76 "ctrl",
77 "cpe0", "cpe1", "cpe2", "cpe3",
78 "rme0", "rme1", "rme2", "rme3" };
79
80 static const char *msix_name_cb[] = {
81 "cpe0", "cpe1", "cpe2", "cpe3",
82 "rme0", "rme1", "rme2", "rme3",
83 "eemc", "elpu0", "elpu1", "epss", "mlpu" };
84
85 MODULE_FIRMWARE(BFAD_FW_FILE_CB);
86 MODULE_FIRMWARE(BFAD_FW_FILE_CT);
87 MODULE_FIRMWARE(BFAD_FW_FILE_CT2);
88
89 module_param(os_name, charp, S_IRUGO | S_IWUSR);
90 MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
91 module_param(os_patch, charp, S_IRUGO | S_IWUSR);
92 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
93 module_param(host_name, charp, S_IRUGO | S_IWUSR);
94 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
95 module_param(num_rports, int, S_IRUGO | S_IWUSR);
96 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
97 "(physical/logical), default=1024");
98 module_param(num_ios, int, S_IRUGO | S_IWUSR);
99 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
100 module_param(num_tms, int, S_IRUGO | S_IWUSR);
101 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
102 module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
103 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
104 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
105 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
106 "buffers, default=64");
107 module_param(reqq_size, int, S_IRUGO | S_IWUSR);
108 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
109 "default=256");
110 module_param(rspq_size, int, S_IRUGO | S_IWUSR);
111 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
112 "default=64");
113 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
114 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
115 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
116 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
117 "Range[>0]");
118 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
119 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
120 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
121 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
122 module_param(bfa_log_level, int, S_IRUGO | S_IWUSR);
123 MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, "
124 "Range[Critical:1|Error:2|Warning:3|Info:4]");
125 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
126 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
127 "Range[off:0|on:1]");
128 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
129 MODULE_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]");
132 module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
133 MODULE_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]");
136 module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
137 MODULE_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]");
140 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
141 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, "
142 "Range[false:0|true:1]");
143 module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR);
144 MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 "
145 "(use system setting), Range[128|256|512|1024|2048|4096]");
146 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
147 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
148 " Range[false:0|true:1]");
149 module_param(max_xfer_size, int, S_IRUGO | S_IWUSR);
150 MODULE_PARM_DESC(max_xfer_size, "default=32MB,"
151 " Range[64k|128k|256k|512k|1024k|2048k]");
152 module_param(max_rport_logins, int, S_IRUGO | S_IWUSR);
153 MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024");
154
155 static void
156 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
157 static void
158 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
159 static void
160 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
161 static void
162 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
163 static void
164 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
165 static void
166 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
167 static void
168 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event);
169
170 /*
171 * Beginning state for the driver instance, awaiting the pci_probe event
172 */
173 static void
174 bfad_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 }
199
200 /*
201 * Driver Instance is created, awaiting event INIT to initialize the bfad
202 */
203 static void
204 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
205 {
206 unsigned long flags;
207
208 bfa_trc(bfad, event);
209
210 switch (event) {
211 case BFAD_E_INIT:
212 bfa_sm_set_state(bfad, bfad_sm_initializing);
213
214 init_completion(&bfad->comp);
215
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);
225 bfa_iocfc_init(&bfad->bfa);
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 {
242 printk(KERN_WARNING
243 "bfa %s: bfa init failed\n",
244 bfad->pci_name);
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 }
258 }
259
260 static void
261 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event)
262 {
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 }
295 }
296
297 static void
298 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event)
299 {
300 int retval;
301
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 }
331 }
332
333 static void
334 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event)
335 {
336 bfa_trc(bfad, event);
337
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;
343
344 default:
345 bfa_sm_fault(bfad, event);
346 }
347 }
348
349 static void
350 bfad_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 }
363 }
364
365 static void
366 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event)
367 {
368 bfa_trc(bfad, event);
369
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;
379
380 default:
381 bfa_sm_fault(bfad, event);
382 break;
383 }
384 }
385
386 /*
387 * BFA callbacks
388 */
389 void
390 bfad_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
398 /*
399 * bfa_init callback
400 */
401 void
402 bfa_cb_init(void *drv, bfa_status_t init_status)
403 {
404 struct bfad_s *bfad = drv;
405
406 if (init_status == BFA_STATUS_OK) {
407 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
408
409 /*
410 * If BFAD_HAL_INIT_FAIL flag is set:
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
420 complete(&bfad->comp);
421 }
422
423 /*
424 * BFA_FCS callbacks
425 */
426 struct bfad_port_s *
427 bfa_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,
429 struct bfad_vport_s *vp_drv)
430 {
431 bfa_status_t rc;
432 struct bfad_port_s *port_drv;
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;
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 }
457 }
458
459 return port_drv;
460 }
461
462 /*
463 * FCS RPORT alloc callback, after successful PLOGI by FCS
464 */
465 bfa_status_t
466 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
467 struct bfad_rport_s **rport_drv)
468 {
469 bfa_status_t rc = BFA_STATUS_OK;
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
479 ext:
480 return rc;
481 }
482
483 /*
484 * FCS PBC VPORT Create
485 */
486 void
487 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
488 {
489
490 struct bfa_lport_cfg_s port_cfg = {0};
491 struct bfad_vport_s *vport;
492 int rc;
493
494 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
495 if (!vport) {
496 bfa_trc(bfad, 0);
497 return;
498 }
499
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);
508
509 if (rc != BFA_STATUS_OK) {
510 bfa_trc(bfad, 0);
511 return;
512 }
513
514 list_add_tail(&vport->list_entry, &bfad->pbc_vport_list);
515 }
516
517 void
518 bfad_hal_mem_release(struct bfad_s *bfad)
519 {
520 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
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);
540 }
541
542 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
543 }
544
545 void
546 bfad_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;
554 if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX)
555 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
556 if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX)
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;
562 if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX)
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;
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;
573 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
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;
577 }
578
579 bfa_status_t
580 bfad_hal_mem_alloc(struct bfad_s *bfad)
581 {
582 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
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;
586 bfa_status_t rc = BFA_STATUS_OK;
587 dma_addr_t phys_addr;
588
589 bfa_cfg_get_default(&bfad->ioc_cfg);
590 bfad_update_hal_cfg(&bfad->ioc_cfg);
591 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
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 }
608
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;
619 }
620 dma_elem->dma = phys_addr;
621 memset(dma_elem->kva, 0, dma_elem->mem_len);
622 }
623 ext:
624 return rc;
625 }
626
627 /*
628 * Create a vport under a vf.
629 */
630 bfa_status_t
631 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
632 struct bfa_lport_cfg_s *port_cfg, struct device *dev)
633 {
634 struct bfad_vport_s *vport;
635 int rc = BFA_STATUS_OK;
636 unsigned long flags;
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);
647 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
648 port_cfg, vport);
649 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
650
651 if (rc != BFA_STATUS_OK)
652 goto ext_free_vport;
653
654 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) {
655 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
656 dev);
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);
663 list_add_tail(&vport->list_entry, &bfad->vport_list);
664 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
665
666 return BFA_STATUS_OK;
667
668 ext_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);
675 ext_free_vport:
676 kfree(vport);
677 ext:
678 return rc;
679 }
680
681 void
682 bfad_bfa_tmo(unsigned long data)
683 {
684 struct bfad_s *bfad = (struct bfad_s *) data;
685 unsigned long flags;
686 struct list_head doneq;
687
688 spin_lock_irqsave(&bfad->bfad_lock, flags);
689
690 bfa_timer_beat(&bfad->bfa.timer_mod);
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
702 mod_timer(&bfad->hal_tmo,
703 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
704 }
705
706 void
707 bfad_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
713 mod_timer(&bfad->hal_tmo,
714 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
715 }
716
717 int
718 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
719 {
720 int rc = -ENODEV;
721
722 if (pci_enable_device(pdev)) {
723 printk(KERN_ERR "pci_enable_device fail %p\n", pdev);
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
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)) {
737 printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev);
738 goto out_release_region;
739 }
740 }
741
742 /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */
743 pci_enable_pcie_error_reporting(pdev);
744
745 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
746 bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
747
748 if (bfad->pci_bar0_kva == NULL) {
749 printk(KERN_ERR "Fail to map bar0\n");
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;
757 bfad->hal_pcidev.ssid = pdev->subsystem_device;
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;
767
768 /* Adjust PCIe Maximum Read Request Size */
769 if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
770 if (pcie_max_read_reqsz >= 128 &&
771 pcie_max_read_reqsz <= 4096 &&
772 is_power_of_2(pcie_max_read_reqsz)) {
773 int max_rq = pcie_get_readrq(pdev);
774 printk(KERN_WARNING "BFA[%s]: "
775 "pcie_max_read_request_size is %d, "
776 "reset to %d\n", bfad->pci_name, max_rq,
777 pcie_max_read_reqsz);
778 pcie_set_readrq(pdev, pcie_max_read_reqsz);
779 } else {
780 printk(KERN_WARNING "BFA[%s]: invalid "
781 "pcie_max_read_request_size %d ignored\n",
782 bfad->pci_name, pcie_max_read_reqsz);
783 }
784 }
785
786 pci_save_state(pdev);
787
788 return 0;
789
790 out_release_region:
791 pci_release_regions(pdev);
792 out_disable_device:
793 pci_disable_device(pdev);
794 out:
795 return rc;
796 }
797
798 void
799 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
800 {
801 pci_iounmap(pdev, bfad->pci_bar0_kva);
802 pci_iounmap(pdev, bfad->pci_bar2_kva);
803 pci_release_regions(pdev);
804 /* Disable PCIE Advanced Error Recovery (AER) */
805 pci_disable_pcie_error_reporting(pdev);
806 pci_disable_device(pdev);
807 pci_set_drvdata(pdev, NULL);
808 }
809
810 bfa_status_t
811 bfad_drv_init(struct bfad_s *bfad)
812 {
813 bfa_status_t rc;
814 unsigned long flags;
815
816 bfad->cfg_data.rport_del_timeout = rport_del_timeout;
817 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
818 bfad->cfg_data.io_max_sge = bfa_io_max_sge;
819 bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
820
821 rc = bfad_hal_mem_alloc(bfad);
822 if (rc != BFA_STATUS_OK) {
823 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
824 bfad->inst_no);
825 printk(KERN_WARNING
826 "Not enough memory to attach all Brocade HBA ports, %s",
827 "System may need more memory.\n");
828 goto out_hal_mem_alloc_failure;
829 }
830
831 bfad->bfa.trcmod = bfad->trcmod;
832 bfad->bfa.plog = &bfad->plog_buf;
833 bfa_plog_init(&bfad->plog_buf);
834 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
835 0, "Driver Attach");
836
837 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
838 &bfad->hal_pcidev);
839
840 /* FCS INIT */
841 spin_lock_irqsave(&bfad->bfad_lock, flags);
842 bfad->bfa_fcs.trcmod = bfad->trcmod;
843 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
844 bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
845 bfa_fcs_init(&bfad->bfa_fcs);
846 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
847
848 bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
849
850 /* configure base port */
851 rc = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
852 if (rc != BFA_STATUS_OK)
853 goto out_cfg_pport_fail;
854
855 return BFA_STATUS_OK;
856
857 out_cfg_pport_fail:
858 /* fcs exit - on cfg pport failure */
859 spin_lock_irqsave(&bfad->bfad_lock, flags);
860 init_completion(&bfad->comp);
861 bfad->pport.flags |= BFAD_PORT_DELETE;
862 bfa_fcs_exit(&bfad->bfa_fcs);
863 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
864 wait_for_completion(&bfad->comp);
865 /* bfa detach - free hal memory */
866 bfa_detach(&bfad->bfa);
867 bfad_hal_mem_release(bfad);
868 out_hal_mem_alloc_failure:
869 return BFA_STATUS_FAILED;
870 }
871
872 void
873 bfad_drv_uninit(struct bfad_s *bfad)
874 {
875 unsigned long flags;
876
877 spin_lock_irqsave(&bfad->bfad_lock, flags);
878 init_completion(&bfad->comp);
879 bfa_iocfc_stop(&bfad->bfa);
880 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
881 wait_for_completion(&bfad->comp);
882
883 del_timer_sync(&bfad->hal_tmo);
884 bfa_isr_disable(&bfad->bfa);
885 bfa_detach(&bfad->bfa);
886 bfad_remove_intr(bfad);
887 bfad_hal_mem_release(bfad);
888
889 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
890 }
891
892 void
893 bfad_drv_start(struct bfad_s *bfad)
894 {
895 unsigned long flags;
896
897 spin_lock_irqsave(&bfad->bfad_lock, flags);
898 bfa_iocfc_start(&bfad->bfa);
899 bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
900 bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
901 bfad->bfad_flags |= BFAD_HAL_START_DONE;
902 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
903
904 if (bfad->im)
905 flush_workqueue(bfad->im->drv_workq);
906 }
907
908 void
909 bfad_fcs_stop(struct bfad_s *bfad)
910 {
911 unsigned long flags;
912
913 spin_lock_irqsave(&bfad->bfad_lock, flags);
914 init_completion(&bfad->comp);
915 bfad->pport.flags |= BFAD_PORT_DELETE;
916 bfa_fcs_exit(&bfad->bfa_fcs);
917 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
918 wait_for_completion(&bfad->comp);
919
920 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
921 }
922
923 void
924 bfad_stop(struct bfad_s *bfad)
925 {
926 unsigned long flags;
927
928 spin_lock_irqsave(&bfad->bfad_lock, flags);
929 init_completion(&bfad->comp);
930 bfa_iocfc_stop(&bfad->bfa);
931 bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
932 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
933 wait_for_completion(&bfad->comp);
934
935 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
936 }
937
938 bfa_status_t
939 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
940 {
941 int rc = BFA_STATUS_OK;
942
943 /* Allocate scsi_host for the physical port */
944 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
945 (role & BFA_LPORT_ROLE_FCP_IM)) {
946 if (bfad->pport.im_port == NULL) {
947 rc = BFA_STATUS_FAILED;
948 goto out;
949 }
950
951 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
952 &bfad->pcidev->dev);
953 if (rc != BFA_STATUS_OK)
954 goto out;
955
956 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
957 }
958
959 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
960
961 out:
962 return rc;
963 }
964
965 void
966 bfad_uncfg_pport(struct bfad_s *bfad)
967 {
968 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
969 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
970 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
971 bfad_im_port_clean(bfad->pport.im_port);
972 kfree(bfad->pport.im_port);
973 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
974 }
975
976 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
977 }
978
979 bfa_status_t
980 bfad_start_ops(struct bfad_s *bfad) {
981
982 int retval;
983 unsigned long flags;
984 struct bfad_vport_s *vport, *vport_new;
985 struct bfa_fcs_driver_info_s driver_info;
986
987 /* Limit min/max. xfer size to [64k-32MB] */
988 if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
989 max_xfer_size = BFAD_MIN_SECTORS >> 1;
990 if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
991 max_xfer_size = BFAD_MAX_SECTORS >> 1;
992
993 /* Fill the driver_info info to fcs*/
994 memset(&driver_info, 0, sizeof(driver_info));
995 strncpy(driver_info.version, BFAD_DRIVER_VERSION,
996 sizeof(driver_info.version) - 1);
997 if (host_name)
998 strncpy(driver_info.host_machine_name, host_name,
999 sizeof(driver_info.host_machine_name) - 1);
1000 if (os_name)
1001 strncpy(driver_info.host_os_name, os_name,
1002 sizeof(driver_info.host_os_name) - 1);
1003 if (os_patch)
1004 strncpy(driver_info.host_os_patch, os_patch,
1005 sizeof(driver_info.host_os_patch) - 1);
1006
1007 strncpy(driver_info.os_device_name, bfad->pci_name,
1008 sizeof(driver_info.os_device_name) - 1);
1009
1010 /* FCS driver info init */
1011 spin_lock_irqsave(&bfad->bfad_lock, flags);
1012 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
1013 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1014
1015 /*
1016 * FCS update cfg - reset the pwwn/nwwn of fabric base logical port
1017 * with values learned during bfa_init firmware GETATTR REQ.
1018 */
1019 bfa_fcs_update_cfg(&bfad->bfa_fcs);
1020
1021 /* Setup fc host fixed attribute if the lk supports */
1022 bfad_fc_host_init(bfad->pport.im_port);
1023
1024 /* BFAD level FC4 IM specific resource allocation */
1025 retval = bfad_im_probe(bfad);
1026 if (retval != BFA_STATUS_OK) {
1027 printk(KERN_WARNING "bfad_im_probe failed\n");
1028 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1029 bfa_sm_set_state(bfad, bfad_sm_failed);
1030 bfad_im_probe_undo(bfad);
1031 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
1032 bfad_uncfg_pport(bfad);
1033 bfad_stop(bfad);
1034 return BFA_STATUS_FAILED;
1035 } else
1036 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1037
1038 bfad_drv_start(bfad);
1039
1040 /* Complete pbc vport create */
1041 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1042 list_entry) {
1043 struct fc_vport_identifiers vid;
1044 struct fc_vport *fc_vport;
1045 char pwwn_buf[BFA_STRING_32];
1046
1047 memset(&vid, 0, sizeof(vid));
1048 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1049 vid.vport_type = FC_PORTTYPE_NPIV;
1050 vid.disable = false;
1051 vid.node_name = wwn_to_u64((u8 *)
1052 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1053 vid.port_name = wwn_to_u64((u8 *)
1054 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1055 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1056 if (!fc_vport) {
1057 wwn2str(pwwn_buf, vid.port_name);
1058 printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1059 " %s\n", bfad->inst_no, pwwn_buf);
1060 }
1061 list_del(&vport->list_entry);
1062 kfree(vport);
1063 }
1064
1065 /*
1066 * If bfa_linkup_delay is set to -1 default; try to retrive the
1067 * value using the bfad_get_linkup_delay(); else use the
1068 * passed in module param value as the bfa_linkup_delay.
1069 */
1070 if (bfa_linkup_delay < 0) {
1071 bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1072 bfad_rport_online_wait(bfad);
1073 bfa_linkup_delay = -1;
1074 } else
1075 bfad_rport_online_wait(bfad);
1076
1077 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
1078
1079 return BFA_STATUS_OK;
1080 }
1081
1082 int
1083 bfad_worker(void *ptr)
1084 {
1085 struct bfad_s *bfad;
1086 unsigned long flags;
1087
1088 bfad = (struct bfad_s *)ptr;
1089
1090 while (!kthread_should_stop()) {
1091
1092 /* Send event BFAD_E_INIT_SUCCESS */
1093 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1094
1095 spin_lock_irqsave(&bfad->bfad_lock, flags);
1096 bfad->bfad_tsk = NULL;
1097 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1098
1099 break;
1100 }
1101
1102 return 0;
1103 }
1104
1105 /*
1106 * BFA driver interrupt functions
1107 */
1108 irqreturn_t
1109 bfad_intx(int irq, void *dev_id)
1110 {
1111 struct bfad_s *bfad = dev_id;
1112 struct list_head doneq;
1113 unsigned long flags;
1114 bfa_boolean_t rc;
1115
1116 spin_lock_irqsave(&bfad->bfad_lock, flags);
1117 rc = bfa_intx(&bfad->bfa);
1118 if (!rc) {
1119 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1120 return IRQ_NONE;
1121 }
1122
1123 bfa_comp_deq(&bfad->bfa, &doneq);
1124 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1125
1126 if (!list_empty(&doneq)) {
1127 bfa_comp_process(&bfad->bfa, &doneq);
1128
1129 spin_lock_irqsave(&bfad->bfad_lock, flags);
1130 bfa_comp_free(&bfad->bfa, &doneq);
1131 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1132 }
1133
1134 return IRQ_HANDLED;
1135
1136 }
1137
1138 static irqreturn_t
1139 bfad_msix(int irq, void *dev_id)
1140 {
1141 struct bfad_msix_s *vec = dev_id;
1142 struct bfad_s *bfad = vec->bfad;
1143 struct list_head doneq;
1144 unsigned long flags;
1145
1146 spin_lock_irqsave(&bfad->bfad_lock, flags);
1147
1148 bfa_msix(&bfad->bfa, vec->msix.entry);
1149 bfa_comp_deq(&bfad->bfa, &doneq);
1150 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1151
1152 if (!list_empty(&doneq)) {
1153 bfa_comp_process(&bfad->bfa, &doneq);
1154
1155 spin_lock_irqsave(&bfad->bfad_lock, flags);
1156 bfa_comp_free(&bfad->bfa, &doneq);
1157 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1158 }
1159
1160 return IRQ_HANDLED;
1161 }
1162
1163 /*
1164 * Initialize the MSIX entry table.
1165 */
1166 static void
1167 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1168 int mask, int max_bit)
1169 {
1170 int i;
1171 int match = 0x00000001;
1172
1173 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1174 if (mask & match) {
1175 bfad->msix_tab[bfad->nvec].msix.entry = i;
1176 bfad->msix_tab[bfad->nvec].bfad = bfad;
1177 msix_entries[bfad->nvec].entry = i;
1178 bfad->nvec++;
1179 }
1180
1181 match <<= 1;
1182 }
1183
1184 }
1185
1186 int
1187 bfad_install_msix_handler(struct bfad_s *bfad)
1188 {
1189 int i, error = 0;
1190
1191 for (i = 0; i < bfad->nvec; i++) {
1192 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1193 bfad->pci_name,
1194 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1195 msix_name_cb[i] : msix_name_ct[i]));
1196
1197 error = request_irq(bfad->msix_tab[i].msix.vector,
1198 (irq_handler_t) bfad_msix, 0,
1199 bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1200 bfa_trc(bfad, i);
1201 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1202 if (error) {
1203 int j;
1204
1205 for (j = 0; j < i; j++)
1206 free_irq(bfad->msix_tab[j].msix.vector,
1207 &bfad->msix_tab[j]);
1208
1209 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1210 pci_disable_msix(bfad->pcidev);
1211
1212 return 1;
1213 }
1214 }
1215
1216 return 0;
1217 }
1218
1219 /*
1220 * Setup MSIX based interrupt.
1221 */
1222 int
1223 bfad_setup_intr(struct bfad_s *bfad)
1224 {
1225 int error = 0;
1226 u32 mask = 0, i, num_bit = 0, max_bit = 0;
1227 struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1228 struct pci_dev *pdev = bfad->pcidev;
1229 u16 reg;
1230
1231 /* Call BFA to get the msix map for this PCI function. */
1232 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1233
1234 /* Set up the msix entry table */
1235 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1236
1237 if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1238 (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
1239
1240 error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec);
1241 if (error) {
1242 /* In CT1 & CT2, try to allocate just one vector */
1243 if (bfa_asic_id_ctc(pdev->device)) {
1244 printk(KERN_WARNING "bfa %s: trying one msix "
1245 "vector failed to allocate %d[%d]\n",
1246 bfad->pci_name, bfad->nvec, error);
1247 bfad->nvec = 1;
1248 error = pci_enable_msix(bfad->pcidev,
1249 msix_entries, bfad->nvec);
1250 }
1251
1252 /*
1253 * Only error number of vector is available.
1254 * We don't have a mechanism to map multiple
1255 * interrupts into one vector, so even if we
1256 * can try to request less vectors, we don't
1257 * know how to associate interrupt events to
1258 * vectors. Linux doesn't duplicate vectors
1259 * in the MSIX table for this case.
1260 */
1261 if (error) {
1262 printk(KERN_WARNING "bfad%d: "
1263 "pci_enable_msix failed (%d), "
1264 "use line based.\n",
1265 bfad->inst_no, error);
1266 goto line_based;
1267 }
1268 }
1269
1270 /* Disable INTX in MSI-X mode */
1271 pci_read_config_word(pdev, PCI_COMMAND, &reg);
1272
1273 if (!(reg & PCI_COMMAND_INTX_DISABLE))
1274 pci_write_config_word(pdev, PCI_COMMAND,
1275 reg | PCI_COMMAND_INTX_DISABLE);
1276
1277 /* Save the vectors */
1278 for (i = 0; i < bfad->nvec; i++) {
1279 bfa_trc(bfad, msix_entries[i].vector);
1280 bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1281 }
1282
1283 bfa_msix_init(&bfad->bfa, bfad->nvec);
1284
1285 bfad->bfad_flags |= BFAD_MSIX_ON;
1286
1287 return error;
1288 }
1289
1290 line_based:
1291 error = 0;
1292 if (request_irq
1293 (bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS,
1294 BFAD_DRIVER_NAME, bfad) != 0) {
1295 /* Enable interrupt handler failed */
1296 return 1;
1297 }
1298 bfad->bfad_flags |= BFAD_INTX_ON;
1299
1300 return error;
1301 }
1302
1303 void
1304 bfad_remove_intr(struct bfad_s *bfad)
1305 {
1306 int i;
1307
1308 if (bfad->bfad_flags & BFAD_MSIX_ON) {
1309 for (i = 0; i < bfad->nvec; i++)
1310 free_irq(bfad->msix_tab[i].msix.vector,
1311 &bfad->msix_tab[i]);
1312
1313 pci_disable_msix(bfad->pcidev);
1314 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1315 } else if (bfad->bfad_flags & BFAD_INTX_ON) {
1316 free_irq(bfad->pcidev->irq, bfad);
1317 }
1318 }
1319
1320 /*
1321 * PCI probe entry.
1322 */
1323 int
1324 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1325 {
1326 struct bfad_s *bfad;
1327 int error = -ENODEV, retval, i;
1328
1329 /* For single port cards - only claim function 0 */
1330 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1331 (PCI_FUNC(pdev->devfn) != 0))
1332 return -ENODEV;
1333
1334 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1335 if (!bfad) {
1336 error = -ENOMEM;
1337 goto out;
1338 }
1339
1340 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1341 if (!bfad->trcmod) {
1342 printk(KERN_WARNING "Error alloc trace buffer!\n");
1343 error = -ENOMEM;
1344 goto out_alloc_trace_failure;
1345 }
1346
1347 /* TRACE INIT */
1348 bfa_trc_init(bfad->trcmod);
1349 bfa_trc(bfad, bfad_inst);
1350
1351 /* AEN INIT */
1352 INIT_LIST_HEAD(&bfad->free_aen_q);
1353 INIT_LIST_HEAD(&bfad->active_aen_q);
1354 for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1355 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1356
1357 if (!(bfad_load_fwimg(pdev))) {
1358 kfree(bfad->trcmod);
1359 goto out_alloc_trace_failure;
1360 }
1361
1362 retval = bfad_pci_init(pdev, bfad);
1363 if (retval) {
1364 printk(KERN_WARNING "bfad_pci_init failure!\n");
1365 error = retval;
1366 goto out_pci_init_failure;
1367 }
1368
1369 mutex_lock(&bfad_mutex);
1370 bfad->inst_no = bfad_inst++;
1371 list_add_tail(&bfad->list_entry, &bfad_list);
1372 mutex_unlock(&bfad_mutex);
1373
1374 /* Initializing the state machine: State set to uninit */
1375 bfa_sm_set_state(bfad, bfad_sm_uninit);
1376
1377 spin_lock_init(&bfad->bfad_lock);
1378 spin_lock_init(&bfad->bfad_aen_spinlock);
1379
1380 pci_set_drvdata(pdev, bfad);
1381
1382 bfad->ref_count = 0;
1383 bfad->pport.bfad = bfad;
1384 INIT_LIST_HEAD(&bfad->pbc_vport_list);
1385 INIT_LIST_HEAD(&bfad->vport_list);
1386
1387 /* Setup the debugfs node for this bfad */
1388 if (bfa_debugfs_enable)
1389 bfad_debugfs_init(&bfad->pport);
1390
1391 retval = bfad_drv_init(bfad);
1392 if (retval != BFA_STATUS_OK)
1393 goto out_drv_init_failure;
1394
1395 bfa_sm_send_event(bfad, BFAD_E_CREATE);
1396
1397 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1398 goto out_bfad_sm_failure;
1399
1400 return 0;
1401
1402 out_bfad_sm_failure:
1403 bfa_detach(&bfad->bfa);
1404 bfad_hal_mem_release(bfad);
1405 out_drv_init_failure:
1406 /* Remove the debugfs node for this bfad */
1407 kfree(bfad->regdata);
1408 bfad_debugfs_exit(&bfad->pport);
1409 mutex_lock(&bfad_mutex);
1410 bfad_inst--;
1411 list_del(&bfad->list_entry);
1412 mutex_unlock(&bfad_mutex);
1413 bfad_pci_uninit(pdev, bfad);
1414 out_pci_init_failure:
1415 kfree(bfad->trcmod);
1416 out_alloc_trace_failure:
1417 kfree(bfad);
1418 out:
1419 return error;
1420 }
1421
1422 /*
1423 * PCI remove entry.
1424 */
1425 void
1426 bfad_pci_remove(struct pci_dev *pdev)
1427 {
1428 struct bfad_s *bfad = pci_get_drvdata(pdev);
1429 unsigned long flags;
1430
1431 bfa_trc(bfad, bfad->inst_no);
1432
1433 spin_lock_irqsave(&bfad->bfad_lock, flags);
1434 if (bfad->bfad_tsk != NULL) {
1435 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1436 kthread_stop(bfad->bfad_tsk);
1437 } else {
1438 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1439 }
1440
1441 /* Send Event BFAD_E_STOP */
1442 bfa_sm_send_event(bfad, BFAD_E_STOP);
1443
1444 /* Driver detach and dealloc mem */
1445 spin_lock_irqsave(&bfad->bfad_lock, flags);
1446 bfa_detach(&bfad->bfa);
1447 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1448 bfad_hal_mem_release(bfad);
1449
1450 /* Remove the debugfs node for this bfad */
1451 kfree(bfad->regdata);
1452 bfad_debugfs_exit(&bfad->pport);
1453
1454 /* Cleaning the BFAD instance */
1455 mutex_lock(&bfad_mutex);
1456 bfad_inst--;
1457 list_del(&bfad->list_entry);
1458 mutex_unlock(&bfad_mutex);
1459 bfad_pci_uninit(pdev, bfad);
1460
1461 kfree(bfad->trcmod);
1462 kfree(bfad);
1463 }
1464
1465 /*
1466 * PCI Error Recovery entry, error detected.
1467 */
1468 static pci_ers_result_t
1469 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1470 {
1471 struct bfad_s *bfad = pci_get_drvdata(pdev);
1472 unsigned long flags;
1473 pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1474
1475 dev_printk(KERN_ERR, &pdev->dev,
1476 "error detected state: %d - flags: 0x%x\n",
1477 state, bfad->bfad_flags);
1478
1479 switch (state) {
1480 case pci_channel_io_normal: /* non-fatal error */
1481 spin_lock_irqsave(&bfad->bfad_lock, flags);
1482 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1483 /* Suspend/fail all bfa operations */
1484 bfa_ioc_suspend(&bfad->bfa.ioc);
1485 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1486 del_timer_sync(&bfad->hal_tmo);
1487 ret = PCI_ERS_RESULT_CAN_RECOVER;
1488 break;
1489 case pci_channel_io_frozen: /* fatal error */
1490 init_completion(&bfad->comp);
1491 spin_lock_irqsave(&bfad->bfad_lock, flags);
1492 bfad->bfad_flags |= BFAD_EEH_BUSY;
1493 /* Suspend/fail all bfa operations */
1494 bfa_ioc_suspend(&bfad->bfa.ioc);
1495 bfa_fcs_stop(&bfad->bfa_fcs);
1496 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1497 wait_for_completion(&bfad->comp);
1498
1499 bfad_remove_intr(bfad);
1500 del_timer_sync(&bfad->hal_tmo);
1501 pci_disable_device(pdev);
1502 ret = PCI_ERS_RESULT_NEED_RESET;
1503 break;
1504 case pci_channel_io_perm_failure: /* PCI Card is DEAD */
1505 spin_lock_irqsave(&bfad->bfad_lock, flags);
1506 bfad->bfad_flags |= BFAD_EEH_BUSY |
1507 BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1508 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1509
1510 /* If the error_detected handler is called with the reason
1511 * pci_channel_io_perm_failure - it will subsequently call
1512 * pci_remove() entry point to remove the pci device from the
1513 * system - So defer the cleanup to pci_remove(); cleaning up
1514 * here causes inconsistent state during pci_remove().
1515 */
1516 ret = PCI_ERS_RESULT_DISCONNECT;
1517 break;
1518 default:
1519 WARN_ON(1);
1520 }
1521
1522 return ret;
1523 }
1524
1525 int
1526 restart_bfa(struct bfad_s *bfad)
1527 {
1528 unsigned long flags;
1529 struct pci_dev *pdev = bfad->pcidev;
1530
1531 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1532 &bfad->meminfo, &bfad->hal_pcidev);
1533
1534 /* Enable Interrupt and wait bfa_init completion */
1535 if (bfad_setup_intr(bfad)) {
1536 dev_printk(KERN_WARNING, &pdev->dev,
1537 "%s: bfad_setup_intr failed\n", bfad->pci_name);
1538 bfa_sm_send_event(bfad, BFAD_E_INTR_INIT_FAILED);
1539 return -1;
1540 }
1541
1542 init_completion(&bfad->comp);
1543 spin_lock_irqsave(&bfad->bfad_lock, flags);
1544 bfa_iocfc_init(&bfad->bfa);
1545 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1546
1547 /* Set up interrupt handler for each vectors */
1548 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1549 bfad_install_msix_handler(bfad))
1550 dev_printk(KERN_WARNING, &pdev->dev,
1551 "%s: install_msix failed.\n", bfad->pci_name);
1552
1553 bfad_init_timer(bfad);
1554 wait_for_completion(&bfad->comp);
1555 bfad_drv_start(bfad);
1556
1557 return 0;
1558 }
1559
1560 /*
1561 * PCI Error Recovery entry, re-initialize the chip.
1562 */
1563 static pci_ers_result_t
1564 bfad_pci_slot_reset(struct pci_dev *pdev)
1565 {
1566 struct bfad_s *bfad = pci_get_drvdata(pdev);
1567 u8 byte;
1568
1569 dev_printk(KERN_ERR, &pdev->dev,
1570 "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1571
1572 if (pci_enable_device(pdev)) {
1573 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1574 "PCI device after reset.\n");
1575 return PCI_ERS_RESULT_DISCONNECT;
1576 }
1577
1578 pci_restore_state(pdev);
1579
1580 /*
1581 * Read some byte (e.g. DMA max. payload size which can't
1582 * be 0xff any time) to make sure - we did not hit another PCI error
1583 * in the middle of recovery. If we did, then declare permanent failure.
1584 */
1585 pci_read_config_byte(pdev, 0x68, &byte);
1586 if (byte == 0xff) {
1587 dev_printk(KERN_ERR, &pdev->dev,
1588 "slot_reset failed ... got another PCI error !\n");
1589 goto out_disable_device;
1590 }
1591
1592 pci_save_state(pdev);
1593 pci_set_master(pdev);
1594
1595 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(64)) != 0)
1596 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(32)) != 0)
1597 goto out_disable_device;
1598
1599 pci_cleanup_aer_uncorrect_error_status(pdev);
1600
1601 if (restart_bfa(bfad) == -1)
1602 goto out_disable_device;
1603
1604 pci_enable_pcie_error_reporting(pdev);
1605 dev_printk(KERN_WARNING, &pdev->dev,
1606 "slot_reset completed flags: 0x%x!\n", bfad->bfad_flags);
1607
1608 return PCI_ERS_RESULT_RECOVERED;
1609
1610 out_disable_device:
1611 pci_disable_device(pdev);
1612 return PCI_ERS_RESULT_DISCONNECT;
1613 }
1614
1615 static pci_ers_result_t
1616 bfad_pci_mmio_enabled(struct pci_dev *pdev)
1617 {
1618 unsigned long flags;
1619 struct bfad_s *bfad = pci_get_drvdata(pdev);
1620
1621 dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1622
1623 /* Fetch FW diagnostic information */
1624 bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1625
1626 /* Cancel all pending IOs */
1627 spin_lock_irqsave(&bfad->bfad_lock, flags);
1628 init_completion(&bfad->comp);
1629 bfa_fcs_stop(&bfad->bfa_fcs);
1630 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1631 wait_for_completion(&bfad->comp);
1632
1633 bfad_remove_intr(bfad);
1634 del_timer_sync(&bfad->hal_tmo);
1635 pci_disable_device(pdev);
1636
1637 return PCI_ERS_RESULT_NEED_RESET;
1638 }
1639
1640 static void
1641 bfad_pci_resume(struct pci_dev *pdev)
1642 {
1643 unsigned long flags;
1644 struct bfad_s *bfad = pci_get_drvdata(pdev);
1645
1646 dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1647
1648 /* wait until the link is online */
1649 bfad_rport_online_wait(bfad);
1650
1651 spin_lock_irqsave(&bfad->bfad_lock, flags);
1652 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1653 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1654 }
1655
1656 struct pci_device_id bfad_id_table[] = {
1657 {
1658 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1659 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1660 .subvendor = PCI_ANY_ID,
1661 .subdevice = PCI_ANY_ID,
1662 },
1663 {
1664 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1665 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1666 .subvendor = PCI_ANY_ID,
1667 .subdevice = PCI_ANY_ID,
1668 },
1669 {
1670 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1671 .device = BFA_PCI_DEVICE_ID_CT,
1672 .subvendor = PCI_ANY_ID,
1673 .subdevice = PCI_ANY_ID,
1674 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1675 .class_mask = ~0,
1676 },
1677 {
1678 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1679 .device = BFA_PCI_DEVICE_ID_CT_FC,
1680 .subvendor = PCI_ANY_ID,
1681 .subdevice = PCI_ANY_ID,
1682 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1683 .class_mask = ~0,
1684 },
1685 {
1686 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1687 .device = BFA_PCI_DEVICE_ID_CT2,
1688 .subvendor = PCI_ANY_ID,
1689 .subdevice = PCI_ANY_ID,
1690 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1691 .class_mask = ~0,
1692 },
1693
1694 {
1695 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1696 .device = BFA_PCI_DEVICE_ID_CT2_QUAD,
1697 .subvendor = PCI_ANY_ID,
1698 .subdevice = PCI_ANY_ID,
1699 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1700 .class_mask = ~0,
1701 },
1702 {0, 0},
1703 };
1704
1705 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1706
1707 /*
1708 * PCI error recovery handlers.
1709 */
1710 static struct pci_error_handlers bfad_err_handler = {
1711 .error_detected = bfad_pci_error_detected,
1712 .slot_reset = bfad_pci_slot_reset,
1713 .mmio_enabled = bfad_pci_mmio_enabled,
1714 .resume = bfad_pci_resume,
1715 };
1716
1717 static struct pci_driver bfad_pci_driver = {
1718 .name = BFAD_DRIVER_NAME,
1719 .id_table = bfad_id_table,
1720 .probe = bfad_pci_probe,
1721 .remove = bfad_pci_remove,
1722 .err_handler = &bfad_err_handler,
1723 };
1724
1725 /*
1726 * Driver module init.
1727 */
1728 static int __init
1729 bfad_init(void)
1730 {
1731 int error = 0;
1732
1733 printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n",
1734 BFAD_DRIVER_VERSION);
1735
1736 if (num_sgpgs > 0)
1737 num_sgpgs_parm = num_sgpgs;
1738
1739 error = bfad_im_module_init();
1740 if (error) {
1741 error = -ENOMEM;
1742 printk(KERN_WARNING "bfad_im_module_init failure\n");
1743 goto ext;
1744 }
1745
1746 if (strcmp(FCPI_NAME, " fcpim") == 0)
1747 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1748
1749 bfa_auto_recover = ioc_auto_recover;
1750 bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1751 bfa_fcs_rport_set_max_logins(max_rport_logins);
1752
1753 error = pci_register_driver(&bfad_pci_driver);
1754 if (error) {
1755 printk(KERN_WARNING "pci_register_driver failure\n");
1756 goto ext;
1757 }
1758
1759 return 0;
1760
1761 ext:
1762 bfad_im_module_exit();
1763 return error;
1764 }
1765
1766 /*
1767 * Driver module exit.
1768 */
1769 static void __exit
1770 bfad_exit(void)
1771 {
1772 pci_unregister_driver(&bfad_pci_driver);
1773 bfad_im_module_exit();
1774 bfad_free_fwimg();
1775 }
1776
1777 /* Firmware handling */
1778 static void
1779 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1780 u32 *bfi_image_size, char *fw_name)
1781 {
1782 const struct firmware *fw;
1783
1784 if (request_firmware(&fw, fw_name, &pdev->dev)) {
1785 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1786 *bfi_image = NULL;
1787 goto out;
1788 }
1789
1790 *bfi_image = vmalloc(fw->size);
1791 if (NULL == *bfi_image) {
1792 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1793 "size=%x!\n", (u32) fw->size);
1794 goto out;
1795 }
1796
1797 memcpy(*bfi_image, fw->data, fw->size);
1798 *bfi_image_size = fw->size/sizeof(u32);
1799 out:
1800 release_firmware(fw);
1801 }
1802
1803 static u32 *
1804 bfad_load_fwimg(struct pci_dev *pdev)
1805 {
1806 if (pdev->device == BFA_PCI_DEVICE_ID_CT2) {
1807 if (bfi_image_ct2_size == 0)
1808 bfad_read_firmware(pdev, &bfi_image_ct2,
1809 &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1810 return bfi_image_ct2;
1811 } else if (bfa_asic_id_ct(pdev->device)) {
1812 if (bfi_image_ct_size == 0)
1813 bfad_read_firmware(pdev, &bfi_image_ct,
1814 &bfi_image_ct_size, BFAD_FW_FILE_CT);
1815 return bfi_image_ct;
1816 } else {
1817 if (bfi_image_cb_size == 0)
1818 bfad_read_firmware(pdev, &bfi_image_cb,
1819 &bfi_image_cb_size, BFAD_FW_FILE_CB);
1820 return bfi_image_cb;
1821 }
1822 }
1823
1824 static void
1825 bfad_free_fwimg(void)
1826 {
1827 if (bfi_image_ct2_size && bfi_image_ct2)
1828 vfree(bfi_image_ct2);
1829 if (bfi_image_ct_size && bfi_image_ct)
1830 vfree(bfi_image_ct);
1831 if (bfi_image_cb_size && bfi_image_cb)
1832 vfree(bfi_image_cb);
1833 }
1834
1835 module_init(bfad_init);
1836 module_exit(bfad_exit);
1837 MODULE_LICENSE("GPL");
1838 MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1839 MODULE_AUTHOR("Brocade Communications Systems, Inc.");
1840 MODULE_VERSION(BFAD_DRIVER_VERSION);