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Merge branch 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic...
[linux-2.6-block.git] / drivers / scsi / bfa / bfad.c
CommitLineData
7725ccfd
JH		 1/*
2 * Copyright (c) 2005-2009 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
5a0e3ad6 22#include <linux/slab.h>
7725ccfd 23#include <linux/module.h>
e6714324 24#include <linux/kthread.h>
7725ccfd
JH		 25#include "bfad_drv.h"
26#include "bfad_im.h"
27#include "bfad_tm.h"
28#include "bfad_ipfc.h"
29#include "bfad_trcmod.h"
30#include <fcb/bfa_fcb_vf.h>
31#include <fcb/bfa_fcb_rport.h>
32#include <fcb/bfa_fcb_port.h>
33#include <fcb/bfa_fcb.h>
34
35BFA_TRC_FILE(LDRV, BFAD);
36static DEFINE_MUTEX(bfad_mutex);
37LIST_HEAD(bfad_list);
38static int bfad_inst;
39int bfad_supported_fc4s;
40
41static char *host_name;
42static char *os_name;
43static char *os_patch;
44static int num_rports;
45static int num_ios;
46static int num_tms;
47static int num_fcxps;
48static int num_ufbufs;
49static int reqq_size;
50static int rspq_size;
51static int num_sgpgs;
52static int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
53static int bfa_io_max_sge = BFAD_IO_MAX_SGE;
54static int log_level = BFA_LOG_WARNING;
55static int ioc_auto_recover = BFA_TRUE;
56static int ipfc_enable = BFA_FALSE;
57static int ipfc_mtu = -1;
5b098082 58static int fdmi_enable = BFA_TRUE;
7725ccfd
JH		 59int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
60int bfa_linkup_delay = -1;
61
62module_param(os_name, charp, S_IRUGO | S_IWUSR);
63module_param(os_patch, charp, S_IRUGO | S_IWUSR);
64module_param(host_name, charp, S_IRUGO | S_IWUSR);
65module_param(num_rports, int, S_IRUGO | S_IWUSR);
66module_param(num_ios, int, S_IRUGO | S_IWUSR);
67module_param(num_tms, int, S_IRUGO | S_IWUSR);
68module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
69module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
70module_param(reqq_size, int, S_IRUGO | S_IWUSR);
71module_param(rspq_size, int, S_IRUGO | S_IWUSR);
72module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
73module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
74module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
75module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
76module_param(log_level, int, S_IRUGO | S_IWUSR);
77module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
78module_param(ipfc_enable, int, S_IRUGO | S_IWUSR);
79module_param(ipfc_mtu, int, S_IRUGO | S_IWUSR);
5b098082 80module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
7725ccfd
JH		 81module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
82
83/*
84 * Stores the module parm num_sgpgs value;
85 * used to reset for bfad next instance.
86 */
87static int num_sgpgs_parm;
88
89static bfa_status_t
90bfad_fc4_probe(struct bfad_s *bfad)
91{
92 int rc;
93
94 rc = bfad_im_probe(bfad);
95 if (rc != BFA_STATUS_OK)
96 goto ext;
97
98 bfad_tm_probe(bfad);
99
100 if (ipfc_enable)
101 bfad_ipfc_probe(bfad);
e6714324
KG		 102
103 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
7725ccfd
JH		 104ext:
105 return rc;
106}
107
108static void
109bfad_fc4_probe_undo(struct bfad_s *bfad)
110{
111 bfad_im_probe_undo(bfad);
112 bfad_tm_probe_undo(bfad);
113 if (ipfc_enable)
114 bfad_ipfc_probe_undo(bfad);
e6714324 115 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
7725ccfd
JH		 116}
117
118static void
119bfad_fc4_probe_post(struct bfad_s *bfad)
120{
121 if (bfad->im)
122 bfad_im_probe_post(bfad->im);
123
124 bfad_tm_probe_post(bfad);
125 if (ipfc_enable)
126 bfad_ipfc_probe_post(bfad);
127}
128
129static bfa_status_t
130bfad_fc4_port_new(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
131{
132 int rc = BFA_STATUS_FAILED;
133
134 if (roles & BFA_PORT_ROLE_FCP_IM)
135 rc = bfad_im_port_new(bfad, port);
136 if (rc != BFA_STATUS_OK)
137 goto ext;
138
139 if (roles & BFA_PORT_ROLE_FCP_TM)
140 rc = bfad_tm_port_new(bfad, port);
141 if (rc != BFA_STATUS_OK)
142 goto ext;
143
144 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
145 rc = bfad_ipfc_port_new(bfad, port, port->pvb_type);
146ext:
147 return rc;
148}
149
150static void
151bfad_fc4_port_delete(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
152{
153 if (roles & BFA_PORT_ROLE_FCP_IM)
154 bfad_im_port_delete(bfad, port);
155
156 if (roles & BFA_PORT_ROLE_FCP_TM)
157 bfad_tm_port_delete(bfad, port);
158
159 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
160 bfad_ipfc_port_delete(bfad, port);
161}
162
163/**
164 * BFA callbacks
165 */
166void
167bfad_hcb_comp(void *arg, bfa_status_t status)
168{
169 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
170
171 fcomp->status = status;
172 complete(&fcomp->comp);
173}
174
175/**
176 * bfa_init callback
177 */
178void
179bfa_cb_init(void *drv, bfa_status_t init_status)
180{
181 struct bfad_s *bfad = drv;
182
e6714324 183 if (init_status == BFA_STATUS_OK) {
7725ccfd
JH		 184 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
185
e6714324
KG		 186 /* If BFAD_HAL_INIT_FAIL flag is set:
187 * Wake up the kernel thread to start
188 * the bfad operations after HAL init done
189 */
190 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
191 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
192 wake_up_process(bfad->bfad_tsk);
193 }
194 }
195
7725ccfd
JH		 196 complete(&bfad->comp);
197}
198
199
200
201/**
202 * BFA_FCS callbacks
203 */
204static struct bfad_port_s *
205bfad_get_drv_port(struct bfad_s *bfad, struct bfad_vf_s *vf_drv,
206 struct bfad_vport_s *vp_drv)
207{
f8ceafde
JH		 208 return (vp_drv) ? (&(vp_drv)->drv_port)
209 : ((vf_drv) ? (&(vf_drv)->base_port) : (&(bfad)->pport));
7725ccfd
JH		 210}
211
212struct bfad_port_s *
213bfa_fcb_port_new(struct bfad_s *bfad, struct bfa_fcs_port_s *port,
214 enum bfa_port_role roles, struct bfad_vf_s *vf_drv,
215 struct bfad_vport_s *vp_drv)
216{
217 bfa_status_t rc;
218 struct bfad_port_s *port_drv;
219
220 if (!vp_drv && !vf_drv) {
221 port_drv = &bfad->pport;
222 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
223 } else if (!vp_drv && vf_drv) {
224 port_drv = &vf_drv->base_port;
225 port_drv->pvb_type = BFAD_PORT_VF_BASE;
226 } else if (vp_drv && !vf_drv) {
227 port_drv = &vp_drv->drv_port;
228 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
229 } else {
230 port_drv = &vp_drv->drv_port;
231 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
232 }
233
234 port_drv->fcs_port = port;
235 port_drv->roles = roles;
236 rc = bfad_fc4_port_new(bfad, port_drv, roles);
237 if (rc != BFA_STATUS_OK) {
238 bfad_fc4_port_delete(bfad, port_drv, roles);
239 port_drv = NULL;
240 }
241
242 return port_drv;
243}
244
245void
246bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles,
247 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
248{
249 struct bfad_port_s *port_drv;
250
251 /*
252 * this will be only called from rmmod context
253 */
254 if (vp_drv && !vp_drv->comp_del) {
255 port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
256 bfa_trc(bfad, roles);
257 bfad_fc4_port_delete(bfad, port_drv, roles);
258 }
259}
260
261void
262bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles,
263 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
264{
265 struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
266
267 if (roles & BFA_PORT_ROLE_FCP_IM)
268 bfad_im_port_online(bfad, port_drv);
269
270 if (roles & BFA_PORT_ROLE_FCP_TM)
271 bfad_tm_port_online(bfad, port_drv);
272
273 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
274 bfad_ipfc_port_online(bfad, port_drv);
275
276 bfad->bfad_flags |= BFAD_PORT_ONLINE;
277}
278
279void
280bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles,
281 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
282{
283 struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
284
285 if (roles & BFA_PORT_ROLE_FCP_IM)
286 bfad_im_port_offline(bfad, port_drv);
287
288 if (roles & BFA_PORT_ROLE_FCP_TM)
289 bfad_tm_port_offline(bfad, port_drv);
290
291 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
292 bfad_ipfc_port_offline(bfad, port_drv);
293}
294
295void
296bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv)
297{
298 if (vport_drv->comp_del) {
299 complete(vport_drv->comp_del);
300 return;
301 }
302
303 kfree(vport_drv);
304}
305
306/**
307 * FCS RPORT alloc callback, after successful PLOGI by FCS
308 */
309bfa_status_t
310bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
311 struct bfad_rport_s **rport_drv)
312{
313 bfa_status_t rc = BFA_STATUS_OK;
314
315 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
316 if (*rport_drv == NULL) {
317 rc = BFA_STATUS_ENOMEM;
318 goto ext;
319 }
320
321 *rport = &(*rport_drv)->fcs_rport;
322
323ext:
324 return rc;
325}
326
327
328
329void
330bfad_hal_mem_release(struct bfad_s *bfad)
331{
332 int i;
333 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
334 struct bfa_mem_elem_s *meminfo_elem;
335
336 for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
337 meminfo_elem = &hal_meminfo->meminfo[i];
338 if (meminfo_elem->kva != NULL) {
339 switch (meminfo_elem->mem_type) {
340 case BFA_MEM_TYPE_KVA:
341 vfree(meminfo_elem->kva);
342 break;
343 case BFA_MEM_TYPE_DMA:
344 dma_free_coherent(&bfad->pcidev->dev,
345 meminfo_elem->mem_len,
346 meminfo_elem->kva,
347 (dma_addr_t) meminfo_elem->dma);
348 break;
349 default:
350 bfa_assert(0);
351 break;
352 }
353 }
354 }
355
356 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
357}
358
359void
360bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
361{
362 if (num_rports > 0)
363 bfa_cfg->fwcfg.num_rports = num_rports;
364 if (num_ios > 0)
365 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
366 if (num_tms > 0)
367 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
368 if (num_fcxps > 0)
369 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
370 if (num_ufbufs > 0)
371 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
372 if (reqq_size > 0)
373 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
374 if (rspq_size > 0)
375 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
376 if (num_sgpgs > 0)
377 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
378
379 /*
380 * populate the hal values back to the driver for sysfs use.
381 * otherwise, the default values will be shown as 0 in sysfs
382 */
383 num_rports = bfa_cfg->fwcfg.num_rports;
384 num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
385 num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
386 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
387 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
388 reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
389 rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
390 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
391}
392
393bfa_status_t
394bfad_hal_mem_alloc(struct bfad_s *bfad)
395{
396 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
397 struct bfa_mem_elem_s *meminfo_elem;
398 bfa_status_t rc = BFA_STATUS_OK;
399 dma_addr_t phys_addr;
400 int retry_count = 0;
401 int reset_value = 1;
402 int min_num_sgpgs = 512;
403 void *kva;
404 int i;
405
406 bfa_cfg_get_default(&bfad->ioc_cfg);
407
408retry:
409 bfad_update_hal_cfg(&bfad->ioc_cfg);
410 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
411 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo);
412
413 for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
414 meminfo_elem = &hal_meminfo->meminfo[i];
415 switch (meminfo_elem->mem_type) {
416 case BFA_MEM_TYPE_KVA:
417 kva = vmalloc(meminfo_elem->mem_len);
418 if (kva == NULL) {
419 bfad_hal_mem_release(bfad);
420 rc = BFA_STATUS_ENOMEM;
421 goto ext;
422 }
423 memset(kva, 0, meminfo_elem->mem_len);
424 meminfo_elem->kva = kva;
425 break;
426 case BFA_MEM_TYPE_DMA:
427 kva = dma_alloc_coherent(&bfad->pcidev->dev,
428 meminfo_elem->mem_len,
429 &phys_addr, GFP_KERNEL);
430 if (kva == NULL) {
431 bfad_hal_mem_release(bfad);
432 /*
433 * If we cannot allocate with default
434 * num_sgpages try with half the value.
435 */
436 if (num_sgpgs > min_num_sgpgs) {
437 printk(KERN_INFO "bfad[%d]: memory"
438 " allocation failed with"
439 " num_sgpgs: %d\n",
440 bfad->inst_no, num_sgpgs);
441 nextLowerInt(&num_sgpgs);
442 printk(KERN_INFO "bfad[%d]: trying to"
443 " allocate memory with"
444 " num_sgpgs: %d\n",
445 bfad->inst_no, num_sgpgs);
446 retry_count++;
447 goto retry;
448 } else {
449 if (num_sgpgs_parm > 0)
450 num_sgpgs = num_sgpgs_parm;
451 else {
452 reset_value =
453 (1 << retry_count);
454 num_sgpgs *= reset_value;
455 }
456 rc = BFA_STATUS_ENOMEM;
457 goto ext;
458 }
459 }
460
461 if (num_sgpgs_parm > 0)
462 num_sgpgs = num_sgpgs_parm;
463 else {
464 reset_value = (1 << retry_count);
465 num_sgpgs *= reset_value;
466 }
467
468 memset(kva, 0, meminfo_elem->mem_len);
469 meminfo_elem->kva = kva;
470 meminfo_elem->dma = phys_addr;
471 break;
472 default:
473 break;
474
475 }
476 }
477ext:
478 return rc;
479}
480
481/**
482 * Create a vport under a vf.
483 */
484bfa_status_t
485bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
486 struct bfa_port_cfg_s *port_cfg)
487{
488 struct bfad_vport_s *vport;
489 int rc = BFA_STATUS_OK;
490 unsigned long flags;
491 struct completion fcomp;
492
493 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
494 if (!vport) {
495 rc = BFA_STATUS_ENOMEM;
496 goto ext;
497 }
498
499 vport->drv_port.bfad = bfad;
500 spin_lock_irqsave(&bfad->bfad_lock, flags);
501 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
502 port_cfg, vport);
503 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
504
505 if (rc != BFA_STATUS_OK)
506 goto ext_free_vport;
507
508 if (port_cfg->roles & BFA_PORT_ROLE_FCP_IM) {
509 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port);
510 if (rc != BFA_STATUS_OK)
511 goto ext_free_fcs_vport;
512 }
513
514 spin_lock_irqsave(&bfad->bfad_lock, flags);
515 bfa_fcs_vport_start(&vport->fcs_vport);
516 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
517
518 return BFA_STATUS_OK;
519
520ext_free_fcs_vport:
521 spin_lock_irqsave(&bfad->bfad_lock, flags);
522 vport->comp_del = &fcomp;
523 init_completion(vport->comp_del);
524 bfa_fcs_vport_delete(&vport->fcs_vport);
525 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
526 wait_for_completion(vport->comp_del);
527ext_free_vport:
528 kfree(vport);
529ext:
530 return rc;
531}
532
533/**
534 * Create a vf and its base vport implicitely.
535 */
536bfa_status_t
537bfad_vf_create(struct bfad_s *bfad, u16 vf_id,
538 struct bfa_port_cfg_s *port_cfg)
539{
540 struct bfad_vf_s *vf;
541 int rc = BFA_STATUS_OK;
542
543 vf = kzalloc(sizeof(struct bfad_vf_s), GFP_KERNEL);
544 if (!vf) {
545 rc = BFA_STATUS_FAILED;
546 goto ext;
547 }
548
549 rc = bfa_fcs_vf_create(&vf->fcs_vf, &bfad->bfa_fcs, vf_id, port_cfg,
550 vf);
551 if (rc != BFA_STATUS_OK)
552 kfree(vf);
553ext:
554 return rc;
555}
556
557void
558bfad_bfa_tmo(unsigned long data)
559{
560 struct bfad_s *bfad = (struct bfad_s *)data;
561 unsigned long flags;
562 struct list_head doneq;
563
564 spin_lock_irqsave(&bfad->bfad_lock, flags);
565
566 bfa_timer_tick(&bfad->bfa);
567
568 bfa_comp_deq(&bfad->bfa, &doneq);
569 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
570
571 if (!list_empty(&doneq)) {
572 bfa_comp_process(&bfad->bfa, &doneq);
573 spin_lock_irqsave(&bfad->bfad_lock, flags);
574 bfa_comp_free(&bfad->bfa, &doneq);
575 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
576 }
577
578 mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
579}
580
581void
582bfad_init_timer(struct bfad_s *bfad)
583{
584 init_timer(&bfad->hal_tmo);
585 bfad->hal_tmo.function = bfad_bfa_tmo;
586 bfad->hal_tmo.data = (unsigned long)bfad;
587
588 mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
589}
590
591int
592bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
593{
594 unsigned long bar0_len;
595 int rc = -ENODEV;
596
597 if (pci_enable_device(pdev)) {
598 BFA_PRINTF(BFA_ERR, "pci_enable_device fail %p\n", pdev);
599 goto out;
600 }
601
602 if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
603 goto out_disable_device;
604
605 pci_set_master(pdev);
606
607
608 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)
609 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) {
610 BFA_PRINTF(BFA_ERR, "pci_set_dma_mask fail %p\n", pdev);
611 goto out_release_region;
612 }
613
614 bfad->pci_bar0_map = pci_resource_start(pdev, 0);
615 bar0_len = pci_resource_len(pdev, 0);
616 bfad->pci_bar0_kva = ioremap(bfad->pci_bar0_map, bar0_len);
617
618 if (bfad->pci_bar0_kva == NULL) {
619 BFA_PRINTF(BFA_ERR, "Fail to map bar0\n");
620 goto out_release_region;
621 }
622
623 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
624 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
625 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
626 bfad->hal_pcidev.device_id = pdev->device;
627 bfad->pci_name = pci_name(pdev);
628
629 bfad->pci_attr.vendor_id = pdev->vendor;
630 bfad->pci_attr.device_id = pdev->device;
631 bfad->pci_attr.ssid = pdev->subsystem_device;
632 bfad->pci_attr.ssvid = pdev->subsystem_vendor;
633 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
634
635 bfad->pcidev = pdev;
636 return 0;
637
638out_release_region:
639 pci_release_regions(pdev);
640out_disable_device:
641 pci_disable_device(pdev);
642out:
643 return rc;
644}
645
646void
647bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
648{
649#if defined(__ia64__)
650 pci_iounmap(pdev, bfad->pci_bar0_kva);
651#else
652 iounmap(bfad->pci_bar0_kva);
653#endif
654 pci_release_regions(pdev);
655 pci_disable_device(pdev);
656 pci_set_drvdata(pdev, NULL);
657}
658
659void
660bfad_fcs_port_cfg(struct bfad_s *bfad)
661{
662 struct bfa_port_cfg_s port_cfg;
663 struct bfa_pport_attr_s attr;
664 char symname[BFA_SYMNAME_MAXLEN];
665
666 sprintf(symname, "%s-%d", BFAD_DRIVER_NAME, bfad->inst_no);
667 memcpy(port_cfg.sym_name.symname, symname, strlen(symname));
1c8a4c37 668 bfa_fcport_get_attr(&bfad->bfa, &attr);
7725ccfd
JH		 669 port_cfg.nwwn = attr.nwwn;
670 port_cfg.pwwn = attr.pwwn;
671
672 bfa_fcs_cfg_base_port(&bfad->bfa_fcs, &port_cfg);
673}
674
675bfa_status_t
676bfad_drv_init(struct bfad_s *bfad)
677{
678 bfa_status_t rc;
679 unsigned long flags;
680 struct bfa_fcs_driver_info_s driver_info;
7725ccfd
JH		 681
682 bfad->cfg_data.rport_del_timeout = rport_del_timeout;
683 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
684 bfad->cfg_data.io_max_sge = bfa_io_max_sge;
685 bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
686
687 rc = bfad_hal_mem_alloc(bfad);
688 if (rc != BFA_STATUS_OK) {
689 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
690 bfad->inst_no);
691 printk(KERN_WARNING
692 "Not enough memory to attach all Brocade HBA ports,"
693 " System may need more memory.\n");
694 goto out_hal_mem_alloc_failure;
695 }
696
697 bfa_init_log(&bfad->bfa, bfad->logmod);
698 bfa_init_trc(&bfad->bfa, bfad->trcmod);
699 bfa_init_aen(&bfad->bfa, bfad->aen);
2993cc71 700 memset(bfad->file_map, 0, sizeof(bfad->file_map));
7725ccfd
JH		 701 bfa_init_plog(&bfad->bfa, &bfad->plog_buf);
702 bfa_plog_init(&bfad->plog_buf);
703 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
704 0, "Driver Attach");
705
706 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
707 &bfad->hal_pcidev);
708
709 init_completion(&bfad->comp);
710
711 /*
712 * Enable Interrupt and wait bfa_init completion
713 */
714 if (bfad_setup_intr(bfad)) {
715 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
716 bfad->inst_no);
717 goto out_setup_intr_failure;
718 }
719
720 spin_lock_irqsave(&bfad->bfad_lock, flags);
721 bfa_init(&bfad->bfa);
722 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
723
724 /*
725 * Set up interrupt handler for each vectors
726 */
727 if ((bfad->bfad_flags & BFAD_MSIX_ON)
728 && bfad_install_msix_handler(bfad)) {
729 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
f8ceafde 730 __func__, bfad->inst_no);
7725ccfd
JH		 731 }
732
733 bfad_init_timer(bfad);
734
735 wait_for_completion(&bfad->comp);
736
737 memset(&driver_info, 0, sizeof(driver_info));
738 strncpy(driver_info.version, BFAD_DRIVER_VERSION,
739 sizeof(driver_info.version) - 1);
740 if (host_name)
741 strncpy(driver_info.host_machine_name, host_name,
742 sizeof(driver_info.host_machine_name) - 1);
743 if (os_name)
744 strncpy(driver_info.host_os_name, os_name,
745 sizeof(driver_info.host_os_name) - 1);
746 if (os_patch)
747 strncpy(driver_info.host_os_patch, os_patch,
748 sizeof(driver_info.host_os_patch) - 1);
749
750 strncpy(driver_info.os_device_name, bfad->pci_name,
751 sizeof(driver_info.os_device_name - 1));
752
753 /*
754 * FCS INIT
755 */
756 spin_lock_irqsave(&bfad->bfad_lock, flags);
757 bfa_fcs_log_init(&bfad->bfa_fcs, bfad->logmod);
758 bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod);
759 bfa_fcs_aen_init(&bfad->bfa_fcs, bfad->aen);
82794a2e 760 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
e6714324
KG		 761
762 /* Do FCS init only when HAL init is done */
763 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
764 bfa_fcs_init(&bfad->bfa_fcs);
765 bfad->bfad_flags |= BFAD_FCS_INIT_DONE;
766 }
767
7725ccfd 768 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
5b098082 769 bfa_fcs_set_fdmi_param(&bfad->bfa_fcs, fdmi_enable);
7725ccfd
JH		 770 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
771
772 bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
773 return BFA_STATUS_OK;
774
775out_setup_intr_failure:
776 bfa_detach(&bfad->bfa);
777 bfad_hal_mem_release(bfad);
778out_hal_mem_alloc_failure:
779 return BFA_STATUS_FAILED;
780}
781
782void
783bfad_drv_uninit(struct bfad_s *bfad)
784{
e6714324
KG		 785 unsigned long flags;
786
787 spin_lock_irqsave(&bfad->bfad_lock, flags);
788 init_completion(&bfad->comp);
789 bfa_stop(&bfad->bfa);
790 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
791 wait_for_completion(&bfad->comp);
792
7725ccfd
JH		 793 del_timer_sync(&bfad->hal_tmo);
794 bfa_isr_disable(&bfad->bfa);
795 bfa_detach(&bfad->bfa);
796 bfad_remove_intr(bfad);
7725ccfd 797 bfad_hal_mem_release(bfad);
e6714324
KG		 798
799 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
7725ccfd
JH		 800}
801
802void
803bfad_drv_start(struct bfad_s *bfad)
804{
805 unsigned long flags;
806
807 spin_lock_irqsave(&bfad->bfad_lock, flags);
808 bfa_start(&bfad->bfa);
809 bfa_fcs_start(&bfad->bfa_fcs);
810 bfad->bfad_flags |= BFAD_HAL_START_DONE;
811 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
812
813 bfad_fc4_probe_post(bfad);
814}
815
816void
817bfad_drv_stop(struct bfad_s *bfad)
818{
819 unsigned long flags;
820
821 spin_lock_irqsave(&bfad->bfad_lock, flags);
822 init_completion(&bfad->comp);
823 bfad->pport.flags |= BFAD_PORT_DELETE;
824 bfa_fcs_exit(&bfad->bfa_fcs);
825 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
826 wait_for_completion(&bfad->comp);
827
828 spin_lock_irqsave(&bfad->bfad_lock, flags);
829 init_completion(&bfad->comp);
830 bfa_stop(&bfad->bfa);
831 bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
832 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
833 wait_for_completion(&bfad->comp);
834}
835
836bfa_status_t
837bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role)
838{
839 int rc = BFA_STATUS_OK;
840
841 /*
842 * Allocate scsi_host for the physical port
843 */
844 if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM)
845 && (role & BFA_PORT_ROLE_FCP_IM)) {
846 if (bfad->pport.im_port == NULL) {
847 rc = BFA_STATUS_FAILED;
848 goto out;
849 }
850
851 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port);
852 if (rc != BFA_STATUS_OK)
853 goto out;
854
855 bfad->pport.roles |= BFA_PORT_ROLE_FCP_IM;
856 }
857
858 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
859
860out:
861 return rc;
862}
863
864void
865bfad_uncfg_pport(struct bfad_s *bfad)
866{
867 if ((bfad->pport.roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) {
868 bfad_ipfc_port_delete(bfad, &bfad->pport);
869 bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IPFC;
870 }
871
872 if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM)
873 && (bfad->pport.roles & BFA_PORT_ROLE_FCP_IM)) {
874 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
875 bfad_im_port_clean(bfad->pport.im_port);
876 kfree(bfad->pport.im_port);
877 bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IM;
878 }
879
880 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
881}
882
883void
884bfad_drv_log_level_set(struct bfad_s *bfad)
885{
886 if (log_level > BFA_LOG_INVALID && log_level <= BFA_LOG_LEVEL_MAX)
887 bfa_log_set_level_all(&bfad->log_data, log_level);
888}
889
e6714324
KG		 890bfa_status_t
891bfad_start_ops(struct bfad_s *bfad)
892{
893 int retval;
894
895 /* PPORT FCS config */
896 bfad_fcs_port_cfg(bfad);
897
898 retval = bfad_cfg_pport(bfad, BFA_PORT_ROLE_FCP_IM);
899 if (retval != BFA_STATUS_OK)
900 goto out_cfg_pport_failure;
901
902 /* BFAD level FC4 (IM/TM/IPFC) specific resource allocation */
903 retval = bfad_fc4_probe(bfad);
904 if (retval != BFA_STATUS_OK) {
905 printk(KERN_WARNING "bfad_fc4_probe failed\n");
906 goto out_fc4_probe_failure;
907 }
908
909 bfad_drv_start(bfad);
910
911 /*
912 * If bfa_linkup_delay is set to -1 default; try to retrive the
913 * value using the bfad_os_get_linkup_delay(); else use the
914 * passed in module param value as the bfa_linkup_delay.
915 */
916 if (bfa_linkup_delay < 0) {
917
918 bfa_linkup_delay = bfad_os_get_linkup_delay(bfad);
919 bfad_os_rport_online_wait(bfad);
920 bfa_linkup_delay = -1;
921
922 } else {
923 bfad_os_rport_online_wait(bfad);
924 }
925
926 bfa_log(bfad->logmod, BFA_LOG_LINUX_DEVICE_CLAIMED, bfad->pci_name);
927
928 return BFA_STATUS_OK;
929
930out_fc4_probe_failure:
931 bfad_fc4_probe_undo(bfad);
932 bfad_uncfg_pport(bfad);
933out_cfg_pport_failure:
934 return BFA_STATUS_FAILED;
935}
936
937int
938bfad_worker (void *ptr)
939{
940 struct bfad_s *bfad;
941 unsigned long flags;
942
943 bfad = (struct bfad_s *)ptr;
944
945 while (!kthread_should_stop()) {
946
947 /* Check if the FCS init is done from bfad_drv_init;
948 * if not done do FCS init and set the flag.
949 */
950 if (!(bfad->bfad_flags & BFAD_FCS_INIT_DONE)) {
951 spin_lock_irqsave(&bfad->bfad_lock, flags);
952 bfa_fcs_init(&bfad->bfa_fcs);
953 bfad->bfad_flags |= BFAD_FCS_INIT_DONE;
954 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
955 }
956
957 /* Start the bfad operations after HAL init done */
958 bfad_start_ops(bfad);
959
960 spin_lock_irqsave(&bfad->bfad_lock, flags);
961 bfad->bfad_tsk = NULL;
962 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
963
964 break;
965 }
966
967 return 0;
968}
969
7725ccfd
JH		 970 /*
971 * PCI_entry PCI driver entries * {
972 */
973
974/**
975 * PCI probe entry.
976 */
977int
978bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
979{
980 struct bfad_s *bfad;
981 int error = -ENODEV, retval;
7725ccfd
JH		 982
983 /*
984 * For single port cards - only claim function 0
985 */
986 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P)
987 && (PCI_FUNC(pdev->devfn) != 0))
988 return -ENODEV;
989
990 BFA_TRACE(BFA_INFO, "bfad_pci_probe entry");
991
992 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
993 if (!bfad) {
994 error = -ENOMEM;
995 goto out;
996 }
997
998 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
999 if (!bfad->trcmod) {
1000 printk(KERN_WARNING "Error alloc trace buffer!\n");
1001 error = -ENOMEM;
1002 goto out_alloc_trace_failure;
1003 }
1004
1005 /*
1006 * LOG/TRACE INIT
1007 */
1008 bfa_trc_init(bfad->trcmod);
1009 bfa_trc(bfad, bfad_inst);
1010
1011 bfad->logmod = &bfad->log_data;
0a4b1fc0 1012 bfa_log_init(bfad->logmod, (char *)pci_name(pdev), bfa_os_printf);
7725ccfd
JH		 1013
1014 bfad_drv_log_level_set(bfad);
1015
1016 bfad->aen = &bfad->aen_buf;
1017
1018 if (!(bfad_load_fwimg(pdev))) {
1019 printk(KERN_WARNING "bfad_load_fwimg failure!\n");
1020 kfree(bfad->trcmod);
1021 goto out_alloc_trace_failure;
1022 }
1023
1024 retval = bfad_pci_init(pdev, bfad);
1025 if (retval) {
1026 printk(KERN_WARNING "bfad_pci_init failure!\n");
1027 error = retval;
1028 goto out_pci_init_failure;
1029 }
1030
1031 mutex_lock(&bfad_mutex);
1032 bfad->inst_no = bfad_inst++;
1033 list_add_tail(&bfad->list_entry, &bfad_list);
1034 mutex_unlock(&bfad_mutex);
1035
1036 spin_lock_init(&bfad->bfad_lock);
1037 pci_set_drvdata(pdev, bfad);
1038
1039 bfad->ref_count = 0;
1040 bfad->pport.bfad = bfad;
1041
e6714324
KG		 1042 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, "%s",
1043 "bfad_worker");
1044 if (IS_ERR(bfad->bfad_tsk)) {
1045 printk(KERN_INFO "bfad[%d]: Kernel thread"
1046 " creation failed!\n",
1047 bfad->inst_no);
1048 goto out_kthread_create_failure;
1049 }
1050
7725ccfd
JH		 1051 retval = bfad_drv_init(bfad);
1052 if (retval != BFA_STATUS_OK)
1053 goto out_drv_init_failure;
1054 if (!(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
e6714324 1055 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
7725ccfd
JH		 1056 printk(KERN_WARNING "bfad%d: hal init failed\n", bfad->inst_no);
1057 goto ok;
1058 }
1059
e6714324 1060 retval = bfad_start_ops(bfad);
7725ccfd 1061 if (retval != BFA_STATUS_OK)
e6714324 1062 goto out_start_ops_failure;
7725ccfd 1063
e6714324
KG		 1064 kthread_stop(bfad->bfad_tsk);
1065 bfad->bfad_tsk = NULL;
7725ccfd 1066
7725ccfd
JH		 1067ok:
1068 return 0;
1069
e6714324 1070out_start_ops_failure:
7725ccfd
JH		 1071 bfad_drv_uninit(bfad);
1072out_drv_init_failure:
e6714324
KG		 1073 kthread_stop(bfad->bfad_tsk);
1074out_kthread_create_failure:
7725ccfd
JH		 1075 mutex_lock(&bfad_mutex);
1076 bfad_inst--;
1077 list_del(&bfad->list_entry);
1078 mutex_unlock(&bfad_mutex);
1079 bfad_pci_uninit(pdev, bfad);
1080out_pci_init_failure:
1081 kfree(bfad->trcmod);
1082out_alloc_trace_failure:
1083 kfree(bfad);
1084out:
1085 return error;
1086}
1087
1088/**
1089 * PCI remove entry.
1090 */
1091void
1092bfad_pci_remove(struct pci_dev *pdev)
1093{
1094 struct bfad_s *bfad = pci_get_drvdata(pdev);
1095 unsigned long flags;
1096
1097 bfa_trc(bfad, bfad->inst_no);
1098
e6714324
KG		 1099 spin_lock_irqsave(&bfad->bfad_lock, flags);
1100 if (bfad->bfad_tsk != NULL)
1101 kthread_stop(bfad->bfad_tsk);
1102 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1103
7725ccfd
JH		 1104 if ((bfad->bfad_flags & BFAD_DRV_INIT_DONE)
1105 && !(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
1106
1107 spin_lock_irqsave(&bfad->bfad_lock, flags);
1108 init_completion(&bfad->comp);
1109 bfa_stop(&bfad->bfa);
1110 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1111 wait_for_completion(&bfad->comp);
1112
1113 bfad_remove_intr(bfad);
1114 del_timer_sync(&bfad->hal_tmo);
1115 goto hal_detach;
1116 } else if (!(bfad->bfad_flags & BFAD_DRV_INIT_DONE)) {
1117 goto remove_sysfs;
1118 }
1119
e6714324 1120 if (bfad->bfad_flags & BFAD_HAL_START_DONE) {
7725ccfd 1121 bfad_drv_stop(bfad);
e6714324
KG		 1122 } else if (bfad->bfad_flags & BFAD_DRV_INIT_DONE) {
1123 /* Invoking bfa_stop() before bfa_detach
1124 * when HAL and DRV init are success
1125 * but HAL start did not occur.
1126 */
1127 spin_lock_irqsave(&bfad->bfad_lock, flags);
1128 init_completion(&bfad->comp);
1129 bfa_stop(&bfad->bfa);
1130 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1131 wait_for_completion(&bfad->comp);
1132 }
7725ccfd
JH		 1133
1134 bfad_remove_intr(bfad);
7725ccfd 1135 del_timer_sync(&bfad->hal_tmo);
e6714324
KG		 1136
1137 if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE)
1138 bfad_fc4_probe_undo(bfad);
7725ccfd
JH		 1139
1140 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
1141 bfad_uncfg_pport(bfad);
1142
1143hal_detach:
1144 spin_lock_irqsave(&bfad->bfad_lock, flags);
1145 bfa_detach(&bfad->bfa);
1146 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1147 bfad_hal_mem_release(bfad);
1148remove_sysfs:
1149
1150 mutex_lock(&bfad_mutex);
1151 bfad_inst--;
1152 list_del(&bfad->list_entry);
1153 mutex_unlock(&bfad_mutex);
1154 bfad_pci_uninit(pdev, bfad);
1155
1156 kfree(bfad->trcmod);
1157 kfree(bfad);
1158}
1159
1160
1161static struct pci_device_id bfad_id_table[] = {
1162 {
1163 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1164 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1165 .subvendor = PCI_ANY_ID,
1166 .subdevice = PCI_ANY_ID,
1167 },
1168 {
1169 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1170 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1171 .subvendor = PCI_ANY_ID,
1172 .subdevice = PCI_ANY_ID,
1173 },
1174 {
1175 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1176 .device = BFA_PCI_DEVICE_ID_CT,
1177 .subvendor = PCI_ANY_ID,
1178 .subdevice = PCI_ANY_ID,
1179 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1180 .class_mask = ~0,
1181 },
1182
1183 {0, 0},
1184};
1185
1186MODULE_DEVICE_TABLE(pci, bfad_id_table);
1187
1188static struct pci_driver bfad_pci_driver = {
1189 .name = BFAD_DRIVER_NAME,
1190 .id_table = bfad_id_table,
1191 .probe = bfad_pci_probe,
1192 .remove = __devexit_p(bfad_pci_remove),
1193};
1194
1195/**
1196 * Linux driver module functions
1197 */
1198bfa_status_t
1199bfad_fc4_module_init(void)
1200{
1201 int rc;
1202
1203 rc = bfad_im_module_init();
1204 if (rc != BFA_STATUS_OK)
1205 goto ext;
1206
1207 bfad_tm_module_init();
1208 if (ipfc_enable)
1209 bfad_ipfc_module_init();
1210ext:
1211 return rc;
1212}
1213
1214void
1215bfad_fc4_module_exit(void)
1216{
1217 if (ipfc_enable)
1218 bfad_ipfc_module_exit();
1219 bfad_tm_module_exit();
1220 bfad_im_module_exit();
1221}
1222
1223/**
1224 * Driver module init.
1225 */
1226static int __init
1227bfad_init(void)
1228{
1229 int error = 0;
1230
1231 printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n",
1232 BFAD_DRIVER_VERSION);
1233
1234 if (num_sgpgs > 0)
1235 num_sgpgs_parm = num_sgpgs;
1236
1237 error = bfad_fc4_module_init();
1238 if (error) {
1239 error = -ENOMEM;
1240 printk(KERN_WARNING "bfad_fc4_module_init failure\n");
1241 goto ext;
1242 }
1243
1244 if (!strcmp(FCPI_NAME, " fcpim"))
1245 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IM;
1246 if (!strcmp(FCPT_NAME, " fcptm"))
1247 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_TM;
1248 if (!strcmp(IPFC_NAME, " ipfc"))
1249 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IPFC;
1250
1251 bfa_ioc_auto_recover(ioc_auto_recover);
1252 bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1253 error = pci_register_driver(&bfad_pci_driver);
1254
1255 if (error) {
1256 printk(KERN_WARNING "bfad pci_register_driver failure\n");
1257 goto ext;
1258 }
1259
1260 return 0;
1261
1262ext:
1263 bfad_fc4_module_exit();
1264 return error;
1265}
1266
1267/**
1268 * Driver module exit.
1269 */
1270static void __exit
1271bfad_exit(void)
1272{
1273 pci_unregister_driver(&bfad_pci_driver);
1274 bfad_fc4_module_exit();
1275 bfad_free_fwimg();
1276}
1277
1278#define BFAD_PROTO_NAME FCPI_NAME FCPT_NAME IPFC_NAME
1279
1280module_init(bfad_init);
1281module_exit(bfad_exit);
1282MODULE_LICENSE("GPL");
1283MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1284MODULE_AUTHOR("Brocade Communications Systems, Inc.");
1285MODULE_VERSION(BFAD_DRIVER_VERSION);
1286
1287
Linux 6.x block layer and io_uring tree(s)