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22#include <linux/module.h>
23#include <linux/kthread.h>
24#include <linux/errno.h>
25#include <linux/sched.h>
26#include <linux/init.h>
27#include <linux/fs.h>
28#include <linux/pci.h>
29#include <linux/firmware.h>
30#include <asm/uaccess.h>
31#include <asm/fcntl.h>
32
33#include "bfad_drv.h"
34#include "bfad_im.h"
35#include "bfa_fcs.h"
36#include "bfa_defs.h"
37#include "bfa.h"
38
39BFA_TRC_FILE(LDRV, BFAD);
40DEFINE_MUTEX(bfad_mutex);
41LIST_HEAD(bfad_list);
42
43static int bfad_inst;
44static int num_sgpgs_parm;
45int supported_fc4s;
46char *host_name, *os_name, *os_patch;
47int num_rports, num_ios, num_tms;
48int num_fcxps, num_ufbufs;
49int reqq_size, rspq_size, num_sgpgs;
50int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
51int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
52int bfa_io_max_sge = BFAD_IO_MAX_SGE;
53int bfa_log_level = 3;
54int ioc_auto_recover = BFA_TRUE;
55int bfa_linkup_delay = -1;
56int fdmi_enable = BFA_TRUE;
57int pcie_max_read_reqsz;
58int bfa_debugfs_enable = 1;
59int msix_disable_cb = 0, msix_disable_ct = 0;
60int max_xfer_size = BFAD_MAX_SECTORS >> 1;
61int max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS;
62
63
64u32 bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size;
65u32 *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2;
66
67#define BFAD_FW_FILE_CB "cbfw-3.2.3.0.bin"
68#define BFAD_FW_FILE_CT "ctfw-3.2.3.0.bin"
69#define BFAD_FW_FILE_CT2 "ct2fw-3.2.3.0.bin"
70
71static u32 *bfad_load_fwimg(struct pci_dev *pdev);
72static void bfad_free_fwimg(void);
73static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
74 u32 *bfi_image_size, char *fw_name);
75
76static const char *msix_name_ct[] = {
77 "ctrl",
78 "cpe0", "cpe1", "cpe2", "cpe3",
79 "rme0", "rme1", "rme2", "rme3" };
80
81static const char *msix_name_cb[] = {
82 "cpe0", "cpe1", "cpe2", "cpe3",
83 "rme0", "rme1", "rme2", "rme3",
84 "eemc", "elpu0", "elpu1", "epss", "mlpu" };
85
86MODULE_FIRMWARE(BFAD_FW_FILE_CB);
87MODULE_FIRMWARE(BFAD_FW_FILE_CT);
88MODULE_FIRMWARE(BFAD_FW_FILE_CT2);
89
90module_param(os_name, charp, S_IRUGO | S_IWUSR);
91MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
92module_param(os_patch, charp, S_IRUGO | S_IWUSR);
93MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
94module_param(host_name, charp, S_IRUGO | S_IWUSR);
95MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
96module_param(num_rports, int, S_IRUGO | S_IWUSR);
97MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
98 "(physical/logical), default=1024");
99module_param(num_ios, int, S_IRUGO | S_IWUSR);
100MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
101module_param(num_tms, int, S_IRUGO | S_IWUSR);
102MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
103module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
104MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
105module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
106MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
107 "buffers, default=64");
108module_param(reqq_size, int, S_IRUGO | S_IWUSR);
109MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
110 "default=256");
111module_param(rspq_size, int, S_IRUGO | S_IWUSR);
112MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
113 "default=64");
114module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
115MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
116module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
117MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
118 "Range[>0]");
119module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
120MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
121module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
122MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
123module_param(bfa_log_level, int, S_IRUGO | S_IWUSR);
124MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, "
125 "Range[Critical:1|Error:2|Warning:3|Info:4]");
126module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
127MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
128 "Range[off:0|on:1]");
129module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
130MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for "
131 "boot port. Otherwise 10 secs in RHEL4 & 0 for "
132 "[RHEL5, SLES10, ESX40] Range[>0]");
133module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
134MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts for QLogic-415/425/815/825 cards, default=0 Range[false:0|true:1]");
135module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
136MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts if possible for QLogic-1010/1020/804/1007/902/1741 cards, default=0, Range[false:0|true:1]");
137module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
138MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, "
139 "Range[false:0|true:1]");
140module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR);
141MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 "
142 "(use system setting), Range[128|256|512|1024|2048|4096]");
143module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
144MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
145 " Range[false:0|true:1]");
146module_param(max_xfer_size, int, S_IRUGO | S_IWUSR);
147MODULE_PARM_DESC(max_xfer_size, "default=32MB,"
148 " Range[64k|128k|256k|512k|1024k|2048k]");
149module_param(max_rport_logins, int, S_IRUGO | S_IWUSR);
150MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024");
151
152static void
153bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
154static void
155bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
156static void
157bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
158static void
159bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
160static void
161bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
162static void
163bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
164static void
165bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event);
166
167
168
169
170static void
171bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event)
172{
173 bfa_trc(bfad, event);
174
175 switch (event) {
176 case BFAD_E_CREATE:
177 bfa_sm_set_state(bfad, bfad_sm_created);
178 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad,
179 "%s", "bfad_worker");
180 if (IS_ERR(bfad->bfad_tsk)) {
181 printk(KERN_INFO "bfad[%d]: Kernel thread "
182 "creation failed!\n", bfad->inst_no);
183 bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED);
184 }
185 bfa_sm_send_event(bfad, BFAD_E_INIT);
186 break;
187
188 case BFAD_E_STOP:
189
190 break;
191
192 default:
193 bfa_sm_fault(bfad, event);
194 }
195}
196
197
198
199
200static void
201bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
202{
203 unsigned long flags;
204 bfa_status_t ret;
205
206 bfa_trc(bfad, event);
207
208 switch (event) {
209 case BFAD_E_INIT:
210 bfa_sm_set_state(bfad, bfad_sm_initializing);
211
212 init_completion(&bfad->comp);
213
214
215 if (bfad_setup_intr(bfad)) {
216 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
217 bfad->inst_no);
218 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
219 break;
220 }
221
222 spin_lock_irqsave(&bfad->bfad_lock, flags);
223 bfa_iocfc_init(&bfad->bfa);
224 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
225
226
227 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
228 bfad_install_msix_handler(bfad)) {
229 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
230 __func__, bfad->inst_no);
231 }
232
233 bfad_init_timer(bfad);
234
235 wait_for_completion(&bfad->comp);
236
237 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
238 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
239 } else {
240 printk(KERN_WARNING
241 "bfa %s: bfa init failed\n",
242 bfad->pci_name);
243 spin_lock_irqsave(&bfad->bfad_lock, flags);
244 bfa_fcs_init(&bfad->bfa_fcs);
245 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
246
247 ret = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
248 if (ret != BFA_STATUS_OK) {
249 init_completion(&bfad->comp);
250
251 spin_lock_irqsave(&bfad->bfad_lock, flags);
252 bfad->pport.flags |= BFAD_PORT_DELETE;
253 bfa_fcs_exit(&bfad->bfa_fcs);
254 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
255
256 wait_for_completion(&bfad->comp);
257
258 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
259 break;
260 }
261 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
262 bfa_sm_send_event(bfad, BFAD_E_HAL_INIT_FAILED);
263 }
264
265 break;
266
267 case BFAD_E_KTHREAD_CREATE_FAILED:
268 bfa_sm_set_state(bfad, bfad_sm_uninit);
269 break;
270
271 default:
272 bfa_sm_fault(bfad, event);
273 }
274}
275
276static void
277bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event)
278{
279 int retval;
280 unsigned long flags;
281
282 bfa_trc(bfad, event);
283
284 switch (event) {
285 case BFAD_E_INIT_SUCCESS:
286 kthread_stop(bfad->bfad_tsk);
287 spin_lock_irqsave(&bfad->bfad_lock, flags);
288 bfad->bfad_tsk = NULL;
289 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
290
291 retval = bfad_start_ops(bfad);
292 if (retval != BFA_STATUS_OK) {
293 bfa_sm_set_state(bfad, bfad_sm_failed);
294 break;
295 }
296 bfa_sm_set_state(bfad, bfad_sm_operational);
297 break;
298
299 case BFAD_E_INIT_FAILED:
300 bfa_sm_set_state(bfad, bfad_sm_uninit);
301 kthread_stop(bfad->bfad_tsk);
302 spin_lock_irqsave(&bfad->bfad_lock, flags);
303 bfad->bfad_tsk = NULL;
304 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
305 break;
306
307 case BFAD_E_HAL_INIT_FAILED:
308 bfa_sm_set_state(bfad, bfad_sm_failed);
309 break;
310 default:
311 bfa_sm_fault(bfad, event);
312 }
313}
314
315static void
316bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event)
317{
318 int retval;
319
320 bfa_trc(bfad, event);
321
322 switch (event) {
323 case BFAD_E_INIT_SUCCESS:
324 retval = bfad_start_ops(bfad);
325 if (retval != BFA_STATUS_OK)
326 break;
327 bfa_sm_set_state(bfad, bfad_sm_operational);
328 break;
329
330 case BFAD_E_STOP:
331 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
332 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
333 break;
334
335 case BFAD_E_EXIT_COMP:
336 bfa_sm_set_state(bfad, bfad_sm_uninit);
337 bfad_remove_intr(bfad);
338 del_timer_sync(&bfad->hal_tmo);
339 break;
340
341 default:
342 bfa_sm_fault(bfad, event);
343 }
344}
345
346static void
347bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event)
348{
349 bfa_trc(bfad, event);
350
351 switch (event) {
352 case BFAD_E_STOP:
353 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
354 bfad_fcs_stop(bfad);
355 break;
356
357 default:
358 bfa_sm_fault(bfad, event);
359 }
360}
361
362static void
363bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event)
364{
365 bfa_trc(bfad, event);
366
367 switch (event) {
368 case BFAD_E_FCS_EXIT_COMP:
369 bfa_sm_set_state(bfad, bfad_sm_stopping);
370 bfad_stop(bfad);
371 break;
372
373 default:
374 bfa_sm_fault(bfad, event);
375 }
376}
377
378static void
379bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event)
380{
381 bfa_trc(bfad, event);
382
383 switch (event) {
384 case BFAD_E_EXIT_COMP:
385 bfa_sm_set_state(bfad, bfad_sm_uninit);
386 bfad_remove_intr(bfad);
387 del_timer_sync(&bfad->hal_tmo);
388 bfad_im_probe_undo(bfad);
389 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
390 bfad_uncfg_pport(bfad);
391 break;
392
393 default:
394 bfa_sm_fault(bfad, event);
395 break;
396 }
397}
398
399
400
401
402void
403bfad_hcb_comp(void *arg, bfa_status_t status)
404{
405 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
406
407 fcomp->status = status;
408 complete(&fcomp->comp);
409}
410
411
412
413
414void
415bfa_cb_init(void *drv, bfa_status_t init_status)
416{
417 struct bfad_s *bfad = drv;
418
419 if (init_status == BFA_STATUS_OK) {
420 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
421
422
423
424
425
426
427 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
428 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
429 wake_up_process(bfad->bfad_tsk);
430 }
431 }
432
433 complete(&bfad->comp);
434}
435
436
437
438
439struct bfad_port_s *
440bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port,
441 enum bfa_lport_role roles, struct bfad_vf_s *vf_drv,
442 struct bfad_vport_s *vp_drv)
443{
444 bfa_status_t rc;
445 struct bfad_port_s *port_drv;
446
447 if (!vp_drv && !vf_drv) {
448 port_drv = &bfad->pport;
449 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
450 } else if (!vp_drv && vf_drv) {
451 port_drv = &vf_drv->base_port;
452 port_drv->pvb_type = BFAD_PORT_VF_BASE;
453 } else if (vp_drv && !vf_drv) {
454 port_drv = &vp_drv->drv_port;
455 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
456 } else {
457 port_drv = &vp_drv->drv_port;
458 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
459 }
460
461 port_drv->fcs_port = port;
462 port_drv->roles = roles;
463
464 if (roles & BFA_LPORT_ROLE_FCP_IM) {
465 rc = bfad_im_port_new(bfad, port_drv);
466 if (rc != BFA_STATUS_OK) {
467 bfad_im_port_delete(bfad, port_drv);
468 port_drv = NULL;
469 }
470 }
471
472 return port_drv;
473}
474
475
476
477
478bfa_status_t
479bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
480 struct bfad_rport_s **rport_drv)
481{
482 bfa_status_t rc = BFA_STATUS_OK;
483
484 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
485 if (*rport_drv == NULL) {
486 rc = BFA_STATUS_ENOMEM;
487 goto ext;
488 }
489
490 *rport = &(*rport_drv)->fcs_rport;
491
492ext:
493 return rc;
494}
495
496
497
498
499void
500bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
501{
502
503 struct bfa_lport_cfg_s port_cfg = {0};
504 struct bfad_vport_s *vport;
505 int rc;
506
507 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_ATOMIC);
508 if (!vport) {
509 bfa_trc(bfad, 0);
510 return;
511 }
512
513 vport->drv_port.bfad = bfad;
514 port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
515 port_cfg.pwwn = pbc_vport.vp_pwwn;
516 port_cfg.nwwn = pbc_vport.vp_nwwn;
517 port_cfg.preboot_vp = BFA_TRUE;
518
519 rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0,
520 &port_cfg, vport);
521
522 if (rc != BFA_STATUS_OK) {
523 bfa_trc(bfad, 0);
524 return;
525 }
526
527 list_add_tail(&vport->list_entry, &bfad->pbc_vport_list);
528}
529
530void
531bfad_hal_mem_release(struct bfad_s *bfad)
532{
533 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
534 struct bfa_mem_dma_s *dma_info, *dma_elem;
535 struct bfa_mem_kva_s *kva_info, *kva_elem;
536 struct list_head *dm_qe, *km_qe;
537
538 dma_info = &hal_meminfo->dma_info;
539 kva_info = &hal_meminfo->kva_info;
540
541
542 list_for_each(km_qe, &kva_info->qe) {
543 kva_elem = (struct bfa_mem_kva_s *) km_qe;
544 vfree(kva_elem->kva);
545 }
546
547
548 list_for_each(dm_qe, &dma_info->qe) {
549 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
550 dma_free_coherent(&bfad->pcidev->dev,
551 dma_elem->mem_len, dma_elem->kva,
552 (dma_addr_t) dma_elem->dma);
553 }
554
555 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
556}
557
558void
559bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
560{
561 if (num_rports > 0)
562 bfa_cfg->fwcfg.num_rports = num_rports;
563 if (num_ios > 0)
564 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
565 if (num_tms > 0)
566 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
567 if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX)
568 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
569 if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX)
570 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
571 if (reqq_size > 0)
572 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
573 if (rspq_size > 0)
574 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
575 if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX)
576 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
577
578
579
580
581
582 num_rports = bfa_cfg->fwcfg.num_rports;
583 num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
584 num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
585 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
586 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
587 reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
588 rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
589 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
590}
591
592bfa_status_t
593bfad_hal_mem_alloc(struct bfad_s *bfad)
594{
595 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
596 struct bfa_mem_dma_s *dma_info, *dma_elem;
597 struct bfa_mem_kva_s *kva_info, *kva_elem;
598 struct list_head *dm_qe, *km_qe;
599 bfa_status_t rc = BFA_STATUS_OK;
600 dma_addr_t phys_addr;
601
602 bfa_cfg_get_default(&bfad->ioc_cfg);
603 bfad_update_hal_cfg(&bfad->ioc_cfg);
604 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
605 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa);
606
607 dma_info = &hal_meminfo->dma_info;
608 kva_info = &hal_meminfo->kva_info;
609
610
611 list_for_each(km_qe, &kva_info->qe) {
612 kva_elem = (struct bfa_mem_kva_s *) km_qe;
613 kva_elem->kva = vmalloc(kva_elem->mem_len);
614 if (kva_elem->kva == NULL) {
615 bfad_hal_mem_release(bfad);
616 rc = BFA_STATUS_ENOMEM;
617 goto ext;
618 }
619 memset(kva_elem->kva, 0, kva_elem->mem_len);
620 }
621
622
623 list_for_each(dm_qe, &dma_info->qe) {
624 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
625 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev,
626 dma_elem->mem_len,
627 &phys_addr, GFP_KERNEL);
628 if (dma_elem->kva == NULL) {
629 bfad_hal_mem_release(bfad);
630 rc = BFA_STATUS_ENOMEM;
631 goto ext;
632 }
633 dma_elem->dma = phys_addr;
634 memset(dma_elem->kva, 0, dma_elem->mem_len);
635 }
636ext:
637 return rc;
638}
639
640
641
642
643bfa_status_t
644bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
645 struct bfa_lport_cfg_s *port_cfg, struct device *dev)
646{
647 struct bfad_vport_s *vport;
648 int rc = BFA_STATUS_OK;
649 unsigned long flags;
650 struct completion fcomp;
651
652 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
653 if (!vport) {
654 rc = BFA_STATUS_ENOMEM;
655 goto ext;
656 }
657
658 vport->drv_port.bfad = bfad;
659 spin_lock_irqsave(&bfad->bfad_lock, flags);
660 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
661 port_cfg, vport);
662 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
663
664 if (rc != BFA_STATUS_OK)
665 goto ext_free_vport;
666
667 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) {
668 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
669 dev);
670 if (rc != BFA_STATUS_OK)
671 goto ext_free_fcs_vport;
672 }
673
674 spin_lock_irqsave(&bfad->bfad_lock, flags);
675 bfa_fcs_vport_start(&vport->fcs_vport);
676 list_add_tail(&vport->list_entry, &bfad->vport_list);
677 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
678
679 return BFA_STATUS_OK;
680
681ext_free_fcs_vport:
682 spin_lock_irqsave(&bfad->bfad_lock, flags);
683 vport->comp_del = &fcomp;
684 init_completion(vport->comp_del);
685 bfa_fcs_vport_delete(&vport->fcs_vport);
686 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
687 wait_for_completion(vport->comp_del);
688ext_free_vport:
689 kfree(vport);
690ext:
691 return rc;
692}
693
694void
695bfad_bfa_tmo(unsigned long data)
696{
697 struct bfad_s *bfad = (struct bfad_s *) data;
698 unsigned long flags;
699 struct list_head doneq;
700
701 spin_lock_irqsave(&bfad->bfad_lock, flags);
702
703 bfa_timer_beat(&bfad->bfa.timer_mod);
704
705 bfa_comp_deq(&bfad->bfa, &doneq);
706 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
707
708 if (!list_empty(&doneq)) {
709 bfa_comp_process(&bfad->bfa, &doneq);
710 spin_lock_irqsave(&bfad->bfad_lock, flags);
711 bfa_comp_free(&bfad->bfa, &doneq);
712 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
713 }
714
715 mod_timer(&bfad->hal_tmo,
716 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
717}
718
719void
720bfad_init_timer(struct bfad_s *bfad)
721{
722 init_timer(&bfad->hal_tmo);
723 bfad->hal_tmo.function = bfad_bfa_tmo;
724 bfad->hal_tmo.data = (unsigned long)bfad;
725
726 mod_timer(&bfad->hal_tmo,
727 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
728}
729
730int
731bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
732{
733 int rc = -ENODEV;
734
735 if (pci_enable_device(pdev)) {
736 printk(KERN_ERR "pci_enable_device fail %p\n", pdev);
737 goto out;
738 }
739
740 if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
741 goto out_disable_device;
742
743 pci_set_master(pdev);
744
745
746 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) ||
747 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) {
748 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) ||
749 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) {
750 printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev);
751 goto out_release_region;
752 }
753 }
754
755
756 pci_enable_pcie_error_reporting(pdev);
757
758 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
759 bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
760
761 if (bfad->pci_bar0_kva == NULL) {
762 printk(KERN_ERR "Fail to map bar0\n");
763 goto out_release_region;
764 }
765
766 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
767 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
768 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
769 bfad->hal_pcidev.device_id = pdev->device;
770 bfad->hal_pcidev.ssid = pdev->subsystem_device;
771 bfad->pci_name = pci_name(pdev);
772
773 bfad->pci_attr.vendor_id = pdev->vendor;
774 bfad->pci_attr.device_id = pdev->device;
775 bfad->pci_attr.ssid = pdev->subsystem_device;
776 bfad->pci_attr.ssvid = pdev->subsystem_vendor;
777 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
778
779 bfad->pcidev = pdev;
780
781
782 if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
783 if (pcie_max_read_reqsz >= 128 &&
784 pcie_max_read_reqsz <= 4096 &&
785 is_power_of_2(pcie_max_read_reqsz)) {
786 int max_rq = pcie_get_readrq(pdev);
787 printk(KERN_WARNING "BFA[%s]: "
788 "pcie_max_read_request_size is %d, "
789 "reset to %d\n", bfad->pci_name, max_rq,
790 pcie_max_read_reqsz);
791 pcie_set_readrq(pdev, pcie_max_read_reqsz);
792 } else {
793 printk(KERN_WARNING "BFA[%s]: invalid "
794 "pcie_max_read_request_size %d ignored\n",
795 bfad->pci_name, pcie_max_read_reqsz);
796 }
797 }
798
799 pci_save_state(pdev);
800
801 return 0;
802
803out_release_region:
804 pci_release_regions(pdev);
805out_disable_device:
806 pci_disable_device(pdev);
807out:
808 return rc;
809}
810
811void
812bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
813{
814 pci_iounmap(pdev, bfad->pci_bar0_kva);
815 pci_iounmap(pdev, bfad->pci_bar2_kva);
816 pci_release_regions(pdev);
817
818 pci_disable_pcie_error_reporting(pdev);
819 pci_disable_device(pdev);
820}
821
822bfa_status_t
823bfad_drv_init(struct bfad_s *bfad)
824{
825 bfa_status_t rc;
826 unsigned long flags;
827
828 bfad->cfg_data.rport_del_timeout = rport_del_timeout;
829 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
830 bfad->cfg_data.io_max_sge = bfa_io_max_sge;
831 bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
832
833 rc = bfad_hal_mem_alloc(bfad);
834 if (rc != BFA_STATUS_OK) {
835 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
836 bfad->inst_no);
837 printk(KERN_WARNING
838 "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n");
839 return BFA_STATUS_FAILED;
840 }
841
842 bfad->bfa.trcmod = bfad->trcmod;
843 bfad->bfa.plog = &bfad->plog_buf;
844 bfa_plog_init(&bfad->plog_buf);
845 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
846 0, "Driver Attach");
847
848 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
849 &bfad->hal_pcidev);
850
851
852 spin_lock_irqsave(&bfad->bfad_lock, flags);
853 bfad->bfa_fcs.trcmod = bfad->trcmod;
854 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
855 bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
856 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
857
858 bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
859
860 return BFA_STATUS_OK;
861}
862
863void
864bfad_drv_uninit(struct bfad_s *bfad)
865{
866 unsigned long flags;
867
868 spin_lock_irqsave(&bfad->bfad_lock, flags);
869 init_completion(&bfad->comp);
870 bfa_iocfc_stop(&bfad->bfa);
871 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
872 wait_for_completion(&bfad->comp);
873
874 del_timer_sync(&bfad->hal_tmo);
875 bfa_isr_disable(&bfad->bfa);
876 bfa_detach(&bfad->bfa);
877 bfad_remove_intr(bfad);
878 bfad_hal_mem_release(bfad);
879
880 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
881}
882
883void
884bfad_drv_start(struct bfad_s *bfad)
885{
886 unsigned long flags;
887
888 spin_lock_irqsave(&bfad->bfad_lock, flags);
889 bfa_iocfc_start(&bfad->bfa);
890 bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
891 bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
892 bfad->bfad_flags |= BFAD_HAL_START_DONE;
893 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
894
895 if (bfad->im)
896 flush_workqueue(bfad->im->drv_workq);
897}
898
899void
900bfad_fcs_stop(struct bfad_s *bfad)
901{
902 unsigned long flags;
903
904 spin_lock_irqsave(&bfad->bfad_lock, flags);
905 init_completion(&bfad->comp);
906 bfad->pport.flags |= BFAD_PORT_DELETE;
907 bfa_fcs_exit(&bfad->bfa_fcs);
908 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
909 wait_for_completion(&bfad->comp);
910
911 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
912}
913
914void
915bfad_stop(struct bfad_s *bfad)
916{
917 unsigned long flags;
918
919 spin_lock_irqsave(&bfad->bfad_lock, flags);
920 init_completion(&bfad->comp);
921 bfa_iocfc_stop(&bfad->bfa);
922 bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
923 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
924 wait_for_completion(&bfad->comp);
925
926 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
927}
928
929bfa_status_t
930bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
931{
932 int rc = BFA_STATUS_OK;
933
934
935 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
936 (role & BFA_LPORT_ROLE_FCP_IM)) {
937 if (bfad->pport.im_port == NULL) {
938 rc = BFA_STATUS_FAILED;
939 goto out;
940 }
941
942 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
943 &bfad->pcidev->dev);
944 if (rc != BFA_STATUS_OK)
945 goto out;
946
947 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
948 }
949
950 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
951
952out:
953 return rc;
954}
955
956void
957bfad_uncfg_pport(struct bfad_s *bfad)
958{
959 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
960 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
961 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
962 bfad_im_port_clean(bfad->pport.im_port);
963 kfree(bfad->pport.im_port);
964 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
965 }
966
967 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
968}
969
970bfa_status_t
971bfad_start_ops(struct bfad_s *bfad) {
972
973 int retval;
974 unsigned long flags;
975 struct bfad_vport_s *vport, *vport_new;
976 struct bfa_fcs_driver_info_s driver_info;
977
978
979 if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
980 max_xfer_size = BFAD_MIN_SECTORS >> 1;
981 if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
982 max_xfer_size = BFAD_MAX_SECTORS >> 1;
983
984
985 memset(&driver_info, 0, sizeof(driver_info));
986 strncpy(driver_info.version, BFAD_DRIVER_VERSION,
987 sizeof(driver_info.version) - 1);
988 if (host_name)
989 strncpy(driver_info.host_machine_name, host_name,
990 sizeof(driver_info.host_machine_name) - 1);
991 if (os_name)
992 strncpy(driver_info.host_os_name, os_name,
993 sizeof(driver_info.host_os_name) - 1);
994 if (os_patch)
995 strncpy(driver_info.host_os_patch, os_patch,
996 sizeof(driver_info.host_os_patch) - 1);
997
998 strncpy(driver_info.os_device_name, bfad->pci_name,
999 sizeof(driver_info.os_device_name) - 1);
1000
1001
1002 spin_lock_irqsave(&bfad->bfad_lock, flags);
1003 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
1004
1005 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
1006 bfa_fcs_update_cfg(&bfad->bfa_fcs);
1007 else
1008 bfa_fcs_init(&bfad->bfa_fcs);
1009
1010 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1011
1012 if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) {
1013 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
1014 if (retval != BFA_STATUS_OK)
1015 return BFA_STATUS_FAILED;
1016 }
1017
1018
1019 bfad_fc_host_init(bfad->pport.im_port);
1020
1021
1022 retval = bfad_im_probe(bfad);
1023 if (retval != BFA_STATUS_OK) {
1024 printk(KERN_WARNING "bfad_im_probe failed\n");
1025 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1026 bfa_sm_set_state(bfad, bfad_sm_failed);
1027 return BFA_STATUS_FAILED;
1028 } else
1029 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1030
1031 bfad_drv_start(bfad);
1032
1033
1034 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1035 list_entry) {
1036 struct fc_vport_identifiers vid;
1037 struct fc_vport *fc_vport;
1038 char pwwn_buf[BFA_STRING_32];
1039
1040 memset(&vid, 0, sizeof(vid));
1041 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1042 vid.vport_type = FC_PORTTYPE_NPIV;
1043 vid.disable = false;
1044 vid.node_name = wwn_to_u64((u8 *)
1045 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1046 vid.port_name = wwn_to_u64((u8 *)
1047 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1048 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1049 if (!fc_vport) {
1050 wwn2str(pwwn_buf, vid.port_name);
1051 printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1052 " %s\n", bfad->inst_no, pwwn_buf);
1053 }
1054 list_del(&vport->list_entry);
1055 kfree(vport);
1056 }
1057
1058
1059
1060
1061
1062
1063 if (bfa_linkup_delay < 0) {
1064 bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1065 bfad_rport_online_wait(bfad);
1066 bfa_linkup_delay = -1;
1067 } else
1068 bfad_rport_online_wait(bfad);
1069
1070 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
1071
1072 return BFA_STATUS_OK;
1073}
1074
1075int
1076bfad_worker(void *ptr)
1077{
1078 struct bfad_s *bfad = ptr;
1079 unsigned long flags;
1080
1081 if (kthread_should_stop())
1082 return 0;
1083
1084
1085 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1086
1087 spin_lock_irqsave(&bfad->bfad_lock, flags);
1088 bfad->bfad_tsk = NULL;
1089 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1090
1091 return 0;
1092}
1093
1094
1095
1096
1097irqreturn_t
1098bfad_intx(int irq, void *dev_id)
1099{
1100 struct bfad_s *bfad = dev_id;
1101 struct list_head doneq;
1102 unsigned long flags;
1103 bfa_boolean_t rc;
1104
1105 spin_lock_irqsave(&bfad->bfad_lock, flags);
1106 rc = bfa_intx(&bfad->bfa);
1107 if (!rc) {
1108 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1109 return IRQ_NONE;
1110 }
1111
1112 bfa_comp_deq(&bfad->bfa, &doneq);
1113 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1114
1115 if (!list_empty(&doneq)) {
1116 bfa_comp_process(&bfad->bfa, &doneq);
1117
1118 spin_lock_irqsave(&bfad->bfad_lock, flags);
1119 bfa_comp_free(&bfad->bfa, &doneq);
1120 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1121 }
1122
1123 return IRQ_HANDLED;
1124
1125}
1126
1127static irqreturn_t
1128bfad_msix(int irq, void *dev_id)
1129{
1130 struct bfad_msix_s *vec = dev_id;
1131 struct bfad_s *bfad = vec->bfad;
1132 struct list_head doneq;
1133 unsigned long flags;
1134
1135 spin_lock_irqsave(&bfad->bfad_lock, flags);
1136
1137 bfa_msix(&bfad->bfa, vec->msix.entry);
1138 bfa_comp_deq(&bfad->bfa, &doneq);
1139 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1140
1141 if (!list_empty(&doneq)) {
1142 bfa_comp_process(&bfad->bfa, &doneq);
1143
1144 spin_lock_irqsave(&bfad->bfad_lock, flags);
1145 bfa_comp_free(&bfad->bfa, &doneq);
1146 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1147 }
1148
1149 return IRQ_HANDLED;
1150}
1151
1152
1153
1154
1155static void
1156bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1157 int mask, int max_bit)
1158{
1159 int i;
1160 int match = 0x00000001;
1161
1162 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1163 if (mask & match) {
1164 bfad->msix_tab[bfad->nvec].msix.entry = i;
1165 bfad->msix_tab[bfad->nvec].bfad = bfad;
1166 msix_entries[bfad->nvec].entry = i;
1167 bfad->nvec++;
1168 }
1169
1170 match <<= 1;
1171 }
1172
1173}
1174
1175int
1176bfad_install_msix_handler(struct bfad_s *bfad)
1177{
1178 int i, error = 0;
1179
1180 for (i = 0; i < bfad->nvec; i++) {
1181 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1182 bfad->pci_name,
1183 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1184 msix_name_cb[i] : msix_name_ct[i]));
1185
1186 error = request_irq(bfad->msix_tab[i].msix.vector,
1187 (irq_handler_t) bfad_msix, 0,
1188 bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1189 bfa_trc(bfad, i);
1190 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1191 if (error) {
1192 int j;
1193
1194 for (j = 0; j < i; j++)
1195 free_irq(bfad->msix_tab[j].msix.vector,
1196 &bfad->msix_tab[j]);
1197
1198 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1199 pci_disable_msix(bfad->pcidev);
1200
1201 return 1;
1202 }
1203 }
1204
1205 return 0;
1206}
1207
1208
1209
1210
1211int
1212bfad_setup_intr(struct bfad_s *bfad)
1213{
1214 int error;
1215 u32 mask = 0, i, num_bit = 0, max_bit = 0;
1216 struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1217 struct pci_dev *pdev = bfad->pcidev;
1218 u16 reg;
1219
1220
1221 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1222
1223
1224 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1225
1226 if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1227 (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
1228
1229 error = pci_enable_msix_exact(bfad->pcidev,
1230 msix_entries, bfad->nvec);
1231
1232 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
1233 printk(KERN_WARNING "bfa %s: trying one msix "
1234 "vector failed to allocate %d[%d]\n",
1235 bfad->pci_name, bfad->nvec, error);
1236 bfad->nvec = 1;
1237 error = pci_enable_msix_exact(bfad->pcidev,
1238 msix_entries, 1);
1239 }
1240
1241 if (error) {
1242 printk(KERN_WARNING "bfad%d: "
1243 "pci_enable_msix_exact failed (%d), "
1244 "use line based.\n",
1245 bfad->inst_no, error);
1246 goto line_based;
1247 }
1248
1249
1250 pci_read_config_word(pdev, PCI_COMMAND, ®);
1251
1252 if (!(reg & PCI_COMMAND_INTX_DISABLE))
1253 pci_write_config_word(pdev, PCI_COMMAND,
1254 reg | PCI_COMMAND_INTX_DISABLE);
1255
1256
1257 for (i = 0; i < bfad->nvec; i++) {
1258 bfa_trc(bfad, msix_entries[i].vector);
1259 bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1260 }
1261
1262 bfa_msix_init(&bfad->bfa, bfad->nvec);
1263
1264 bfad->bfad_flags |= BFAD_MSIX_ON;
1265
1266 return 0;
1267 }
1268
1269line_based:
1270 error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx,
1271 BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad);
1272 if (error)
1273 return error;
1274
1275 bfad->bfad_flags |= BFAD_INTX_ON;
1276
1277 return 0;
1278}
1279
1280void
1281bfad_remove_intr(struct bfad_s *bfad)
1282{
1283 int i;
1284
1285 if (bfad->bfad_flags & BFAD_MSIX_ON) {
1286 for (i = 0; i < bfad->nvec; i++)
1287 free_irq(bfad->msix_tab[i].msix.vector,
1288 &bfad->msix_tab[i]);
1289
1290 pci_disable_msix(bfad->pcidev);
1291 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1292 } else if (bfad->bfad_flags & BFAD_INTX_ON) {
1293 free_irq(bfad->pcidev->irq, bfad);
1294 }
1295}
1296
1297
1298
1299
1300int
1301bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1302{
1303 struct bfad_s *bfad;
1304 int error = -ENODEV, retval, i;
1305
1306
1307 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1308 (PCI_FUNC(pdev->devfn) != 0))
1309 return -ENODEV;
1310
1311 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1312 if (!bfad) {
1313 error = -ENOMEM;
1314 goto out;
1315 }
1316
1317 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1318 if (!bfad->trcmod) {
1319 printk(KERN_WARNING "Error alloc trace buffer!\n");
1320 error = -ENOMEM;
1321 goto out_alloc_trace_failure;
1322 }
1323
1324
1325 bfa_trc_init(bfad->trcmod);
1326 bfa_trc(bfad, bfad_inst);
1327
1328
1329 INIT_LIST_HEAD(&bfad->free_aen_q);
1330 INIT_LIST_HEAD(&bfad->active_aen_q);
1331 for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1332 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1333
1334 if (!(bfad_load_fwimg(pdev))) {
1335 kfree(bfad->trcmod);
1336 goto out_alloc_trace_failure;
1337 }
1338
1339 retval = bfad_pci_init(pdev, bfad);
1340 if (retval) {
1341 printk(KERN_WARNING "bfad_pci_init failure!\n");
1342 error = retval;
1343 goto out_pci_init_failure;
1344 }
1345
1346 mutex_lock(&bfad_mutex);
1347 bfad->inst_no = bfad_inst++;
1348 list_add_tail(&bfad->list_entry, &bfad_list);
1349 mutex_unlock(&bfad_mutex);
1350
1351
1352 bfa_sm_set_state(bfad, bfad_sm_uninit);
1353
1354 spin_lock_init(&bfad->bfad_lock);
1355 spin_lock_init(&bfad->bfad_aen_spinlock);
1356
1357 pci_set_drvdata(pdev, bfad);
1358
1359 bfad->ref_count = 0;
1360 bfad->pport.bfad = bfad;
1361 INIT_LIST_HEAD(&bfad->pbc_vport_list);
1362 INIT_LIST_HEAD(&bfad->vport_list);
1363
1364
1365 if (bfa_debugfs_enable)
1366 bfad_debugfs_init(&bfad->pport);
1367
1368 retval = bfad_drv_init(bfad);
1369 if (retval != BFA_STATUS_OK)
1370 goto out_drv_init_failure;
1371
1372 bfa_sm_send_event(bfad, BFAD_E_CREATE);
1373
1374 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1375 goto out_bfad_sm_failure;
1376
1377 return 0;
1378
1379out_bfad_sm_failure:
1380 bfad_hal_mem_release(bfad);
1381out_drv_init_failure:
1382
1383 kfree(bfad->regdata);
1384 bfad_debugfs_exit(&bfad->pport);
1385 mutex_lock(&bfad_mutex);
1386 bfad_inst--;
1387 list_del(&bfad->list_entry);
1388 mutex_unlock(&bfad_mutex);
1389 bfad_pci_uninit(pdev, bfad);
1390out_pci_init_failure:
1391 kfree(bfad->trcmod);
1392out_alloc_trace_failure:
1393 kfree(bfad);
1394out:
1395 return error;
1396}
1397
1398
1399
1400
1401void
1402bfad_pci_remove(struct pci_dev *pdev)
1403{
1404 struct bfad_s *bfad = pci_get_drvdata(pdev);
1405 unsigned long flags;
1406
1407 bfa_trc(bfad, bfad->inst_no);
1408
1409 spin_lock_irqsave(&bfad->bfad_lock, flags);
1410 if (bfad->bfad_tsk != NULL) {
1411 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1412 kthread_stop(bfad->bfad_tsk);
1413 } else {
1414 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1415 }
1416
1417
1418 bfa_sm_send_event(bfad, BFAD_E_STOP);
1419
1420
1421 spin_lock_irqsave(&bfad->bfad_lock, flags);
1422 bfa_detach(&bfad->bfa);
1423 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1424 bfad_hal_mem_release(bfad);
1425
1426
1427 kfree(bfad->regdata);
1428 bfad_debugfs_exit(&bfad->pport);
1429
1430
1431 mutex_lock(&bfad_mutex);
1432 bfad_inst--;
1433 list_del(&bfad->list_entry);
1434 mutex_unlock(&bfad_mutex);
1435 bfad_pci_uninit(pdev, bfad);
1436
1437 kfree(bfad->trcmod);
1438 kfree(bfad);
1439}
1440
1441
1442
1443
1444static pci_ers_result_t
1445bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1446{
1447 struct bfad_s *bfad = pci_get_drvdata(pdev);
1448 unsigned long flags;
1449 pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1450
1451 dev_printk(KERN_ERR, &pdev->dev,
1452 "error detected state: %d - flags: 0x%x\n",
1453 state, bfad->bfad_flags);
1454
1455 switch (state) {
1456 case pci_channel_io_normal:
1457 spin_lock_irqsave(&bfad->bfad_lock, flags);
1458 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1459
1460 bfa_ioc_suspend(&bfad->bfa.ioc);
1461 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1462 del_timer_sync(&bfad->hal_tmo);
1463 ret = PCI_ERS_RESULT_CAN_RECOVER;
1464 break;
1465 case pci_channel_io_frozen:
1466 init_completion(&bfad->comp);
1467 spin_lock_irqsave(&bfad->bfad_lock, flags);
1468 bfad->bfad_flags |= BFAD_EEH_BUSY;
1469
1470 bfa_ioc_suspend(&bfad->bfa.ioc);
1471 bfa_fcs_stop(&bfad->bfa_fcs);
1472 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1473 wait_for_completion(&bfad->comp);
1474
1475 bfad_remove_intr(bfad);
1476 del_timer_sync(&bfad->hal_tmo);
1477 pci_disable_device(pdev);
1478 ret = PCI_ERS_RESULT_NEED_RESET;
1479 break;
1480 case pci_channel_io_perm_failure:
1481 spin_lock_irqsave(&bfad->bfad_lock, flags);
1482 bfad->bfad_flags |= BFAD_EEH_BUSY |
1483 BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1484 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1485
1486
1487
1488
1489
1490
1491
1492 ret = PCI_ERS_RESULT_DISCONNECT;
1493 break;
1494 default:
1495 WARN_ON(1);
1496 }
1497
1498 return ret;
1499}
1500
1501int
1502restart_bfa(struct bfad_s *bfad)
1503{
1504 unsigned long flags;
1505 struct pci_dev *pdev = bfad->pcidev;
1506
1507 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1508 &bfad->meminfo, &bfad->hal_pcidev);
1509
1510
1511 if (bfad_setup_intr(bfad)) {
1512 dev_printk(KERN_WARNING, &pdev->dev,
1513 "%s: bfad_setup_intr failed\n", bfad->pci_name);
1514 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
1515 return -1;
1516 }
1517
1518 init_completion(&bfad->comp);
1519 spin_lock_irqsave(&bfad->bfad_lock, flags);
1520 bfa_iocfc_init(&bfad->bfa);
1521 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1522
1523
1524 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1525 bfad_install_msix_handler(bfad))
1526 dev_printk(KERN_WARNING, &pdev->dev,
1527 "%s: install_msix failed.\n", bfad->pci_name);
1528
1529 bfad_init_timer(bfad);
1530 wait_for_completion(&bfad->comp);
1531 bfad_drv_start(bfad);
1532
1533 return 0;
1534}
1535
1536
1537
1538
1539static pci_ers_result_t
1540bfad_pci_slot_reset(struct pci_dev *pdev)
1541{
1542 struct bfad_s *bfad = pci_get_drvdata(pdev);
1543 u8 byte;
1544
1545 dev_printk(KERN_ERR, &pdev->dev,
1546 "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1547
1548 if (pci_enable_device(pdev)) {
1549 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1550 "PCI device after reset.\n");
1551 return PCI_ERS_RESULT_DISCONNECT;
1552 }
1553
1554 pci_restore_state(pdev);
1555
1556
1557
1558
1559
1560
1561 pci_read_config_byte(pdev, 0x68, &byte);
1562 if (byte == 0xff) {
1563 dev_printk(KERN_ERR, &pdev->dev,
1564 "slot_reset failed ... got another PCI error !\n");
1565 goto out_disable_device;
1566 }
1567
1568 pci_save_state(pdev);
1569 pci_set_master(pdev);
1570
1571 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(64)) != 0)
1572 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(32)) != 0)
1573 goto out_disable_device;
1574
1575 pci_cleanup_aer_uncorrect_error_status(pdev);
1576
1577 if (restart_bfa(bfad) == -1)
1578 goto out_disable_device;
1579
1580 pci_enable_pcie_error_reporting(pdev);
1581 dev_printk(KERN_WARNING, &pdev->dev,
1582 "slot_reset completed flags: 0x%x!\n", bfad->bfad_flags);
1583
1584 return PCI_ERS_RESULT_RECOVERED;
1585
1586out_disable_device:
1587 pci_disable_device(pdev);
1588 return PCI_ERS_RESULT_DISCONNECT;
1589}
1590
1591static pci_ers_result_t
1592bfad_pci_mmio_enabled(struct pci_dev *pdev)
1593{
1594 unsigned long flags;
1595 struct bfad_s *bfad = pci_get_drvdata(pdev);
1596
1597 dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1598
1599
1600 bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1601
1602
1603 spin_lock_irqsave(&bfad->bfad_lock, flags);
1604 init_completion(&bfad->comp);
1605 bfa_fcs_stop(&bfad->bfa_fcs);
1606 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1607 wait_for_completion(&bfad->comp);
1608
1609 bfad_remove_intr(bfad);
1610 del_timer_sync(&bfad->hal_tmo);
1611 pci_disable_device(pdev);
1612
1613 return PCI_ERS_RESULT_NEED_RESET;
1614}
1615
1616static void
1617bfad_pci_resume(struct pci_dev *pdev)
1618{
1619 unsigned long flags;
1620 struct bfad_s *bfad = pci_get_drvdata(pdev);
1621
1622 dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1623
1624
1625 bfad_rport_online_wait(bfad);
1626
1627 spin_lock_irqsave(&bfad->bfad_lock, flags);
1628 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1629 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1630}
1631
1632struct pci_device_id bfad_id_table[] = {
1633 {
1634 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1635 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1636 .subvendor = PCI_ANY_ID,
1637 .subdevice = PCI_ANY_ID,
1638 },
1639 {
1640 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1641 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1642 .subvendor = PCI_ANY_ID,
1643 .subdevice = PCI_ANY_ID,
1644 },
1645 {
1646 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1647 .device = BFA_PCI_DEVICE_ID_CT,
1648 .subvendor = PCI_ANY_ID,
1649 .subdevice = PCI_ANY_ID,
1650 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1651 .class_mask = ~0,
1652 },
1653 {
1654 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1655 .device = BFA_PCI_DEVICE_ID_CT_FC,
1656 .subvendor = PCI_ANY_ID,
1657 .subdevice = PCI_ANY_ID,
1658 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1659 .class_mask = ~0,
1660 },
1661 {
1662 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1663 .device = BFA_PCI_DEVICE_ID_CT2,
1664 .subvendor = PCI_ANY_ID,
1665 .subdevice = PCI_ANY_ID,
1666 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1667 .class_mask = ~0,
1668 },
1669
1670 {
1671 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1672 .device = BFA_PCI_DEVICE_ID_CT2_QUAD,
1673 .subvendor = PCI_ANY_ID,
1674 .subdevice = PCI_ANY_ID,
1675 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1676 .class_mask = ~0,
1677 },
1678 {0, 0},
1679};
1680
1681MODULE_DEVICE_TABLE(pci, bfad_id_table);
1682
1683
1684
1685
1686static struct pci_error_handlers bfad_err_handler = {
1687 .error_detected = bfad_pci_error_detected,
1688 .slot_reset = bfad_pci_slot_reset,
1689 .mmio_enabled = bfad_pci_mmio_enabled,
1690 .resume = bfad_pci_resume,
1691};
1692
1693static struct pci_driver bfad_pci_driver = {
1694 .name = BFAD_DRIVER_NAME,
1695 .id_table = bfad_id_table,
1696 .probe = bfad_pci_probe,
1697 .remove = bfad_pci_remove,
1698 .err_handler = &bfad_err_handler,
1699};
1700
1701
1702
1703
1704static int __init
1705bfad_init(void)
1706{
1707 int error = 0;
1708
1709 pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n",
1710 BFAD_DRIVER_VERSION);
1711
1712 if (num_sgpgs > 0)
1713 num_sgpgs_parm = num_sgpgs;
1714
1715 error = bfad_im_module_init();
1716 if (error) {
1717 error = -ENOMEM;
1718 printk(KERN_WARNING "bfad_im_module_init failure\n");
1719 goto ext;
1720 }
1721
1722 if (strcmp(FCPI_NAME, " fcpim") == 0)
1723 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1724
1725 bfa_auto_recover = ioc_auto_recover;
1726 bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1727 bfa_fcs_rport_set_max_logins(max_rport_logins);
1728
1729 error = pci_register_driver(&bfad_pci_driver);
1730 if (error) {
1731 printk(KERN_WARNING "pci_register_driver failure\n");
1732 goto ext;
1733 }
1734
1735 return 0;
1736
1737ext:
1738 bfad_im_module_exit();
1739 return error;
1740}
1741
1742
1743
1744
1745static void __exit
1746bfad_exit(void)
1747{
1748 pci_unregister_driver(&bfad_pci_driver);
1749 bfad_im_module_exit();
1750 bfad_free_fwimg();
1751}
1752
1753
1754static void
1755bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1756 u32 *bfi_image_size, char *fw_name)
1757{
1758 const struct firmware *fw;
1759
1760 if (request_firmware(&fw, fw_name, &pdev->dev)) {
1761 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1762 *bfi_image = NULL;
1763 goto out;
1764 }
1765
1766 *bfi_image = vmalloc(fw->size);
1767 if (NULL == *bfi_image) {
1768 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1769 "size=%x!\n", (u32) fw->size);
1770 goto out;
1771 }
1772
1773 memcpy(*bfi_image, fw->data, fw->size);
1774 *bfi_image_size = fw->size/sizeof(u32);
1775out:
1776 release_firmware(fw);
1777}
1778
1779static u32 *
1780bfad_load_fwimg(struct pci_dev *pdev)
1781{
1782 if (bfa_asic_id_ct2(pdev->device)) {
1783 if (bfi_image_ct2_size == 0)
1784 bfad_read_firmware(pdev, &bfi_image_ct2,
1785 &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1786 return bfi_image_ct2;
1787 } else if (bfa_asic_id_ct(pdev->device)) {
1788 if (bfi_image_ct_size == 0)
1789 bfad_read_firmware(pdev, &bfi_image_ct,
1790 &bfi_image_ct_size, BFAD_FW_FILE_CT);
1791 return bfi_image_ct;
1792 } else if (bfa_asic_id_cb(pdev->device)) {
1793 if (bfi_image_cb_size == 0)
1794 bfad_read_firmware(pdev, &bfi_image_cb,
1795 &bfi_image_cb_size, BFAD_FW_FILE_CB);
1796 return bfi_image_cb;
1797 }
1798
1799 return NULL;
1800}
1801
1802static void
1803bfad_free_fwimg(void)
1804{
1805 if (bfi_image_ct2_size && bfi_image_ct2)
1806 vfree(bfi_image_ct2);
1807 if (bfi_image_ct_size && bfi_image_ct)
1808 vfree(bfi_image_ct);
1809 if (bfi_image_cb_size && bfi_image_cb)
1810 vfree(bfi_image_cb);
1811}
1812
1813module_init(bfad_init);
1814module_exit(bfad_exit);
1815MODULE_LICENSE("GPL");
1816MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1817MODULE_AUTHOR("QLogic Corporation");
1818MODULE_VERSION(BFAD_DRIVER_VERSION);
1819
