1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
4 * Copyright (c) 2014- QLogic Corporation.
5 * All rights reserved
6 * www.qlogic.com
7 *
8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
9 */
10
11 /*
12 * bfad.c Linux driver PCI interface module.
13 */
14 #include <linux/module.h>
15 #include <linux/kthread.h>
16 #include <linux/errno.h>
17 #include <linux/sched.h>
18 #include <linux/init.h>
19 #include <linux/fs.h>
20 #include <linux/pci.h>
21 #include <linux/firmware.h>
22 #include <linux/uaccess.h>
23 #include <asm/fcntl.h>
24
25 #include "bfad_drv.h"
26 #include "bfad_im.h"
27 #include "bfa_fcs.h"
28 #include "bfa_defs.h"
29 #include "bfa.h"
30
31 BFA_TRC_FILE(LDRV, BFAD);
32 DEFINE_MUTEX(bfad_mutex);
33 LIST_HEAD(bfad_list);
34
35 static int bfad_inst;
36 static int num_sgpgs_parm;
37 int supported_fc4s;
38 char *host_name, *os_name, *os_patch;
39 int num_rports, num_ios, num_tms;
40 int num_fcxps, num_ufbufs;
41 int reqq_size, rspq_size, num_sgpgs;
42 int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
43 int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
44 int bfa_io_max_sge = BFAD_IO_MAX_SGE;
45 int bfa_log_level = 3; /* WARNING log level */
46 int ioc_auto_recover = BFA_TRUE;
47 int bfa_linkup_delay = -1;
48 int fdmi_enable = BFA_TRUE;
49 int pcie_max_read_reqsz;
50 int bfa_debugfs_enable = 1;
51 int msix_disable_cb = 0, msix_disable_ct = 0;
52 int max_xfer_size = BFAD_MAX_SECTORS >> 1;
53 static int max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS;
54
55 /* Firmware releated */
56 u32 bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size;
57 u32 *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2;
58
59 #define BFAD_FW_FILE_CB "cbfw-3.2.5.1.bin"
60 #define BFAD_FW_FILE_CT "ctfw-3.2.5.1.bin"
61 #define BFAD_FW_FILE_CT2 "ct2fw-3.2.5.1.bin"
62
63 static u32 *bfad_load_fwimg(struct pci_dev *pdev);
64 static void bfad_free_fwimg(void);
65 static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
66 u32 *bfi_image_size, char *fw_name);
67
68 static const char *msix_name_ct[] = {
69 "ctrl",
70 "cpe0", "cpe1", "cpe2", "cpe3",
71 "rme0", "rme1", "rme2", "rme3" };
72
73 static const char *msix_name_cb[] = {
74 "cpe0", "cpe1", "cpe2", "cpe3",
75 "rme0", "rme1", "rme2", "rme3",
76 "eemc", "elpu0", "elpu1", "epss", "mlpu" };
77
78 MODULE_FIRMWARE(BFAD_FW_FILE_CB);
79 MODULE_FIRMWARE(BFAD_FW_FILE_CT);
80 MODULE_FIRMWARE(BFAD_FW_FILE_CT2);
81
82 module_param(os_name, charp, S_IRUGO | S_IWUSR);
83 MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
84 module_param(os_patch, charp, S_IRUGO | S_IWUSR);
85 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
86 module_param(host_name, charp, S_IRUGO | S_IWUSR);
87 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
88 module_param(num_rports, int, S_IRUGO | S_IWUSR);
89 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
90 "(physical/logical), default=1024");
91 module_param(num_ios, int, S_IRUGO | S_IWUSR);
92 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
93 module_param(num_tms, int, S_IRUGO | S_IWUSR);
94 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
95 module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
96 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
97 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
98 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
99 "buffers, default=64");
100 module_param(reqq_size, int, S_IRUGO | S_IWUSR);
101 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
102 "default=256");
103 module_param(rspq_size, int, S_IRUGO | S_IWUSR);
104 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
105 "default=64");
106 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
107 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
108 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
109 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
110 "Range[>0]");
111 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
112 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
113 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
114 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
115 module_param(bfa_log_level, int, S_IRUGO | S_IWUSR);
116 MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, "
117 "Range[Critical:1|Error:2|Warning:3|Info:4]");
118 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
119 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
120 "Range[off:0|on:1]");
121 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
122 MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for "
123 "boot port. Otherwise 10 secs in RHEL4 & 0 for "
124 "[RHEL5, SLES10, ESX40] Range[>0]");
125 module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
126 MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts for QLogic-415/425/815/825 cards, default=0 Range[false:0|true:1]");
127 module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
128 MODULE_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]");
129 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
130 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, "
131 "Range[false:0|true:1]");
132 module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR);
133 MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 "
134 "(use system setting), Range[128|256|512|1024|2048|4096]");
135 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
136 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
137 " Range[false:0|true:1]");
138 module_param(max_xfer_size, int, S_IRUGO | S_IWUSR);
139 MODULE_PARM_DESC(max_xfer_size, "default=32MB,"
140 " Range[64k|128k|256k|512k|1024k|2048k]");
141 module_param(max_rport_logins, int, S_IRUGO | S_IWUSR);
142 MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024");
143
144 static void
145 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
146 static void
147 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
148 static void
149 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
150 static void
151 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
152 static void
153 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
154 static void
155 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
156 static void
157 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event);
158
159 /*
160 * Beginning state for the driver instance, awaiting the pci_probe event
161 */
162 static void
bfad_sm_uninit(struct bfad_s * bfad,enum bfad_sm_event event)163 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event)
164 {
165 bfa_trc(bfad, event);
166
167 switch (event) {
168 case BFAD_E_CREATE:
169 bfa_sm_set_state(bfad, bfad_sm_created);
170 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad,
171 "%s", "bfad_worker");
172 if (IS_ERR(bfad->bfad_tsk)) {
173 printk(KERN_INFO "bfad[%d]: Kernel thread "
174 "creation failed!\n", bfad->inst_no);
175 bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED);
176 }
177 bfa_sm_send_event(bfad, BFAD_E_INIT);
178 break;
179
180 case BFAD_E_STOP:
181 /* Ignore stop; already in uninit */
182 break;
183
184 default:
185 bfa_sm_fault(bfad, event);
186 }
187 }
188
189 /*
190 * Driver Instance is created, awaiting event INIT to initialize the bfad
191 */
192 static void
bfad_sm_created(struct bfad_s * bfad,enum bfad_sm_event event)193 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
194 {
195 unsigned long flags;
196 bfa_status_t ret;
197
198 bfa_trc(bfad, event);
199
200 switch (event) {
201 case BFAD_E_INIT:
202 bfa_sm_set_state(bfad, bfad_sm_initializing);
203
204 init_completion(&bfad->comp);
205
206 /* Enable Interrupt and wait bfa_init completion */
207 if (bfad_setup_intr(bfad)) {
208 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
209 bfad->inst_no);
210 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
211 break;
212 }
213
214 spin_lock_irqsave(&bfad->bfad_lock, flags);
215 bfa_iocfc_init(&bfad->bfa);
216 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
217
218 /* Set up interrupt handler for each vectors */
219 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
220 bfad_install_msix_handler(bfad)) {
221 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
222 __func__, bfad->inst_no);
223 }
224
225 bfad_init_timer(bfad);
226
227 wait_for_completion(&bfad->comp);
228
229 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
230 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
231 } else {
232 printk(KERN_WARNING
233 "bfa %s: bfa init failed\n",
234 bfad->pci_name);
235 spin_lock_irqsave(&bfad->bfad_lock, flags);
236 bfa_fcs_init(&bfad->bfa_fcs);
237 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
238
239 ret = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
240 if (ret != BFA_STATUS_OK) {
241 init_completion(&bfad->comp);
242
243 spin_lock_irqsave(&bfad->bfad_lock, flags);
244 bfad->pport.flags |= BFAD_PORT_DELETE;
245 bfa_fcs_exit(&bfad->bfa_fcs);
246 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
247
248 wait_for_completion(&bfad->comp);
249
250 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
251 break;
252 }
253 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
254 bfa_sm_send_event(bfad, BFAD_E_HAL_INIT_FAILED);
255 }
256
257 break;
258
259 case BFAD_E_KTHREAD_CREATE_FAILED:
260 bfa_sm_set_state(bfad, bfad_sm_uninit);
261 break;
262
263 default:
264 bfa_sm_fault(bfad, event);
265 }
266 }
267
268 static void
bfad_sm_initializing(struct bfad_s * bfad,enum bfad_sm_event event)269 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event)
270 {
271 int retval;
272 unsigned long flags;
273
274 bfa_trc(bfad, event);
275
276 switch (event) {
277 case BFAD_E_INIT_SUCCESS:
278 kthread_stop(bfad->bfad_tsk);
279 spin_lock_irqsave(&bfad->bfad_lock, flags);
280 bfad->bfad_tsk = NULL;
281 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
282
283 retval = bfad_start_ops(bfad);
284 if (retval != BFA_STATUS_OK) {
285 bfa_sm_set_state(bfad, bfad_sm_failed);
286 break;
287 }
288 bfa_sm_set_state(bfad, bfad_sm_operational);
289 break;
290
291 case BFAD_E_INIT_FAILED:
292 bfa_sm_set_state(bfad, bfad_sm_uninit);
293 kthread_stop(bfad->bfad_tsk);
294 spin_lock_irqsave(&bfad->bfad_lock, flags);
295 bfad->bfad_tsk = NULL;
296 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
297 break;
298
299 case BFAD_E_HAL_INIT_FAILED:
300 bfa_sm_set_state(bfad, bfad_sm_failed);
301 break;
302 default:
303 bfa_sm_fault(bfad, event);
304 }
305 }
306
307 static void
bfad_sm_failed(struct bfad_s * bfad,enum bfad_sm_event event)308 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event)
309 {
310 int retval;
311
312 bfa_trc(bfad, event);
313
314 switch (event) {
315 case BFAD_E_INIT_SUCCESS:
316 retval = bfad_start_ops(bfad);
317 if (retval != BFA_STATUS_OK)
318 break;
319 bfa_sm_set_state(bfad, bfad_sm_operational);
320 break;
321
322 case BFAD_E_STOP:
323 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
324 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
325 break;
326
327 case BFAD_E_EXIT_COMP:
328 bfa_sm_set_state(bfad, bfad_sm_uninit);
329 bfad_remove_intr(bfad);
330 timer_delete_sync(&bfad->hal_tmo);
331 break;
332
333 default:
334 bfa_sm_fault(bfad, event);
335 }
336 }
337
338 static void
bfad_sm_operational(struct bfad_s * bfad,enum bfad_sm_event event)339 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event)
340 {
341 bfa_trc(bfad, event);
342
343 switch (event) {
344 case BFAD_E_STOP:
345 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
346 bfad_fcs_stop(bfad);
347 break;
348
349 default:
350 bfa_sm_fault(bfad, event);
351 }
352 }
353
354 static void
bfad_sm_fcs_exit(struct bfad_s * bfad,enum bfad_sm_event event)355 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event)
356 {
357 bfa_trc(bfad, event);
358
359 switch (event) {
360 case BFAD_E_FCS_EXIT_COMP:
361 bfa_sm_set_state(bfad, bfad_sm_stopping);
362 bfad_stop(bfad);
363 break;
364
365 default:
366 bfa_sm_fault(bfad, event);
367 }
368 }
369
370 static void
bfad_sm_stopping(struct bfad_s * bfad,enum bfad_sm_event event)371 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event)
372 {
373 bfa_trc(bfad, event);
374
375 switch (event) {
376 case BFAD_E_EXIT_COMP:
377 bfa_sm_set_state(bfad, bfad_sm_uninit);
378 bfad_remove_intr(bfad);
379 timer_delete_sync(&bfad->hal_tmo);
380 bfad_im_probe_undo(bfad);
381 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
382 bfad_uncfg_pport(bfad);
383 break;
384
385 default:
386 bfa_sm_fault(bfad, event);
387 break;
388 }
389 }
390
391 /*
392 * BFA callbacks
393 */
394 void
bfad_hcb_comp(void * arg,bfa_status_t status)395 bfad_hcb_comp(void *arg, bfa_status_t status)
396 {
397 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
398
399 fcomp->status = status;
400 complete(&fcomp->comp);
401 }
402
403 /*
404 * bfa_init callback
405 */
406 void
bfa_cb_init(void * drv,bfa_status_t init_status)407 bfa_cb_init(void *drv, bfa_status_t init_status)
408 {
409 struct bfad_s *bfad = drv;
410
411 if (init_status == BFA_STATUS_OK) {
412 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
413
414 /*
415 * If BFAD_HAL_INIT_FAIL flag is set:
416 * Wake up the kernel thread to start
417 * the bfad operations after HAL init done
418 */
419 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
420 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
421 wake_up_process(bfad->bfad_tsk);
422 }
423 }
424
425 complete(&bfad->comp);
426 }
427
428 /*
429 * BFA_FCS callbacks
430 */
431 struct bfad_port_s *
bfa_fcb_lport_new(struct bfad_s * bfad,struct bfa_fcs_lport_s * port,enum bfa_lport_role roles,struct bfad_vf_s * vf_drv,struct bfad_vport_s * vp_drv)432 bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port,
433 enum bfa_lport_role roles, struct bfad_vf_s *vf_drv,
434 struct bfad_vport_s *vp_drv)
435 {
436 bfa_status_t rc;
437 struct bfad_port_s *port_drv;
438
439 if (!vp_drv && !vf_drv) {
440 port_drv = &bfad->pport;
441 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
442 } else if (!vp_drv && vf_drv) {
443 port_drv = &vf_drv->base_port;
444 port_drv->pvb_type = BFAD_PORT_VF_BASE;
445 } else if (vp_drv && !vf_drv) {
446 port_drv = &vp_drv->drv_port;
447 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
448 } else {
449 port_drv = &vp_drv->drv_port;
450 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
451 }
452
453 port_drv->fcs_port = port;
454 port_drv->roles = roles;
455
456 if (roles & BFA_LPORT_ROLE_FCP_IM) {
457 rc = bfad_im_port_new(bfad, port_drv);
458 if (rc != BFA_STATUS_OK) {
459 bfad_im_port_delete(bfad, port_drv);
460 port_drv = NULL;
461 }
462 }
463
464 return port_drv;
465 }
466
467 /*
468 * FCS RPORT alloc callback, after successful PLOGI by FCS
469 */
470 bfa_status_t
bfa_fcb_rport_alloc(struct bfad_s * bfad,struct bfa_fcs_rport_s ** rport,struct bfad_rport_s ** rport_drv)471 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
472 struct bfad_rport_s **rport_drv)
473 {
474 bfa_status_t rc = BFA_STATUS_OK;
475
476 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
477 if (*rport_drv == NULL) {
478 rc = BFA_STATUS_ENOMEM;
479 goto ext;
480 }
481
482 *rport = &(*rport_drv)->fcs_rport;
483
484 ext:
485 return rc;
486 }
487
488 /*
489 * FCS PBC VPORT Create
490 */
491 void
bfa_fcb_pbc_vport_create(struct bfad_s * bfad,struct bfi_pbc_vport_s pbc_vport)492 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
493 {
494
495 struct bfa_lport_cfg_s port_cfg = {0};
496 struct bfad_vport_s *vport;
497 int rc;
498
499 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_ATOMIC);
500 if (!vport) {
501 bfa_trc(bfad, 0);
502 return;
503 }
504
505 vport->drv_port.bfad = bfad;
506 port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
507 port_cfg.pwwn = pbc_vport.vp_pwwn;
508 port_cfg.nwwn = pbc_vport.vp_nwwn;
509 port_cfg.preboot_vp = BFA_TRUE;
510
511 rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0,
512 &port_cfg, vport);
513
514 if (rc != BFA_STATUS_OK) {
515 bfa_trc(bfad, 0);
516 return;
517 }
518
519 list_add_tail(&vport->list_entry, &bfad->pbc_vport_list);
520 }
521
522 void
bfad_hal_mem_release(struct bfad_s * bfad)523 bfad_hal_mem_release(struct bfad_s *bfad)
524 {
525 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
526 struct bfa_mem_dma_s *dma_info, *dma_elem;
527 struct bfa_mem_kva_s *kva_info, *kva_elem;
528 struct list_head *dm_qe, *km_qe;
529
530 dma_info = &hal_meminfo->dma_info;
531 kva_info = &hal_meminfo->kva_info;
532
533 /* Iterate through the KVA meminfo queue */
534 list_for_each(km_qe, &kva_info->qe) {
535 kva_elem = (struct bfa_mem_kva_s *) km_qe;
536 vfree(kva_elem->kva);
537 }
538
539 /* Iterate through the DMA meminfo queue */
540 list_for_each(dm_qe, &dma_info->qe) {
541 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
542 dma_free_coherent(&bfad->pcidev->dev,
543 dma_elem->mem_len, dma_elem->kva,
544 (dma_addr_t) dma_elem->dma);
545 }
546
547 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
548 }
549
550 void
bfad_update_hal_cfg(struct bfa_iocfc_cfg_s * bfa_cfg)551 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
552 {
553 if (num_rports > 0)
554 bfa_cfg->fwcfg.num_rports = num_rports;
555 if (num_ios > 0)
556 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
557 if (num_tms > 0)
558 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
559 if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX)
560 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
561 if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX)
562 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
563 if (reqq_size > 0)
564 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
565 if (rspq_size > 0)
566 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
567 if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX)
568 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
569
570 /*
571 * populate the hal values back to the driver for sysfs use.
572 * otherwise, the default values will be shown as 0 in sysfs
573 */
574 num_rports = bfa_cfg->fwcfg.num_rports;
575 num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
576 num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
577 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
578 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
579 reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
580 rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
581 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
582 }
583
584 bfa_status_t
bfad_hal_mem_alloc(struct bfad_s * bfad)585 bfad_hal_mem_alloc(struct bfad_s *bfad)
586 {
587 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
588 struct bfa_mem_dma_s *dma_info, *dma_elem;
589 struct bfa_mem_kva_s *kva_info, *kva_elem;
590 struct list_head *dm_qe, *km_qe;
591 bfa_status_t rc = BFA_STATUS_OK;
592 dma_addr_t phys_addr;
593
594 bfa_cfg_get_default(&bfad->ioc_cfg);
595 bfad_update_hal_cfg(&bfad->ioc_cfg);
596 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
597 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa);
598
599 dma_info = &hal_meminfo->dma_info;
600 kva_info = &hal_meminfo->kva_info;
601
602 /* Iterate through the KVA meminfo queue */
603 list_for_each(km_qe, &kva_info->qe) {
604 kva_elem = (struct bfa_mem_kva_s *) km_qe;
605 kva_elem->kva = vzalloc(kva_elem->mem_len);
606 if (kva_elem->kva == NULL) {
607 bfad_hal_mem_release(bfad);
608 rc = BFA_STATUS_ENOMEM;
609 goto ext;
610 }
611 }
612
613 /* Iterate through the DMA meminfo queue */
614 list_for_each(dm_qe, &dma_info->qe) {
615 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
616 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev,
617 dma_elem->mem_len,
618 &phys_addr, GFP_KERNEL);
619 if (dma_elem->kva == NULL) {
620 bfad_hal_mem_release(bfad);
621 rc = BFA_STATUS_ENOMEM;
622 goto ext;
623 }
624 dma_elem->dma = phys_addr;
625 memset(dma_elem->kva, 0, dma_elem->mem_len);
626 }
627 ext:
628 return rc;
629 }
630
631 /*
632 * Create a vport under a vf.
633 */
634 bfa_status_t
bfad_vport_create(struct bfad_s * bfad,u16 vf_id,struct bfa_lport_cfg_s * port_cfg,struct device * dev)635 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
636 struct bfa_lport_cfg_s *port_cfg, struct device *dev)
637 {
638 struct bfad_vport_s *vport;
639 int rc = BFA_STATUS_OK;
640 unsigned long flags;
641 struct completion fcomp;
642
643 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
644 if (!vport) {
645 rc = BFA_STATUS_ENOMEM;
646 goto ext;
647 }
648
649 vport->drv_port.bfad = bfad;
650 spin_lock_irqsave(&bfad->bfad_lock, flags);
651 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
652 port_cfg, vport);
653 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
654
655 if (rc != BFA_STATUS_OK)
656 goto ext_free_vport;
657
658 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) {
659 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
660 dev);
661 if (rc != BFA_STATUS_OK)
662 goto ext_free_fcs_vport;
663 }
664
665 spin_lock_irqsave(&bfad->bfad_lock, flags);
666 bfa_fcs_vport_start(&vport->fcs_vport);
667 list_add_tail(&vport->list_entry, &bfad->vport_list);
668 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
669
670 return BFA_STATUS_OK;
671
672 ext_free_fcs_vport:
673 spin_lock_irqsave(&bfad->bfad_lock, flags);
674 vport->comp_del = &fcomp;
675 init_completion(vport->comp_del);
676 bfa_fcs_vport_delete(&vport->fcs_vport);
677 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
678 wait_for_completion(vport->comp_del);
679 ext_free_vport:
680 kfree(vport);
681 ext:
682 return rc;
683 }
684
685 void
bfad_bfa_tmo(struct timer_list * t)686 bfad_bfa_tmo(struct timer_list *t)
687 {
688 struct bfad_s *bfad = timer_container_of(bfad, t,
689 hal_tmo);
690 unsigned long flags;
691 struct list_head doneq;
692
693 spin_lock_irqsave(&bfad->bfad_lock, flags);
694
695 bfa_timer_beat(&bfad->bfa.timer_mod);
696
697 bfa_comp_deq(&bfad->bfa, &doneq);
698 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
699
700 if (!list_empty(&doneq)) {
701 bfa_comp_process(&bfad->bfa, &doneq);
702 spin_lock_irqsave(&bfad->bfad_lock, flags);
703 bfa_comp_free(&bfad->bfa, &doneq);
704 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
705 }
706
707 mod_timer(&bfad->hal_tmo,
708 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
709 }
710
711 void
bfad_init_timer(struct bfad_s * bfad)712 bfad_init_timer(struct bfad_s *bfad)
713 {
714 timer_setup(&bfad->hal_tmo, bfad_bfa_tmo, 0);
715
716 mod_timer(&bfad->hal_tmo,
717 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
718 }
719
720 int
bfad_pci_init(struct pci_dev * pdev,struct bfad_s * bfad)721 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
722 {
723 int rc = -ENODEV;
724
725 if (pci_enable_device(pdev)) {
726 printk(KERN_ERR "pci_enable_device fail %p\n", pdev);
727 goto out;
728 }
729
730 if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
731 goto out_disable_device;
732
733 pci_set_master(pdev);
734
735 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
736 if (rc) {
737 rc = -ENODEV;
738 printk(KERN_ERR "dma_set_mask_and_coherent fail %p\n", pdev);
739 goto out_release_region;
740 }
741
742 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
743 bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
744
745 if (bfad->pci_bar0_kva == NULL) {
746 printk(KERN_ERR "Fail to map bar0\n");
747 rc = -ENODEV;
748 goto out_release_region;
749 }
750
751 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
752 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
753 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
754 bfad->hal_pcidev.device_id = pdev->device;
755 bfad->hal_pcidev.ssid = pdev->subsystem_device;
756 bfad->pci_name = pci_name(pdev);
757
758 bfad->pci_attr.vendor_id = pdev->vendor;
759 bfad->pci_attr.device_id = pdev->device;
760 bfad->pci_attr.ssid = pdev->subsystem_device;
761 bfad->pci_attr.ssvid = pdev->subsystem_vendor;
762 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
763
764 bfad->pcidev = pdev;
765
766 /* Adjust PCIe Maximum Read Request Size */
767 if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
768 if (pcie_max_read_reqsz >= 128 &&
769 pcie_max_read_reqsz <= 4096 &&
770 is_power_of_2(pcie_max_read_reqsz)) {
771 int max_rq = pcie_get_readrq(pdev);
772 printk(KERN_WARNING "BFA[%s]: "
773 "pcie_max_read_request_size is %d, "
774 "reset to %d\n", bfad->pci_name, max_rq,
775 pcie_max_read_reqsz);
776 pcie_set_readrq(pdev, pcie_max_read_reqsz);
777 } else {
778 printk(KERN_WARNING "BFA[%s]: invalid "
779 "pcie_max_read_request_size %d ignored\n",
780 bfad->pci_name, pcie_max_read_reqsz);
781 }
782 }
783
784 pci_save_state(pdev);
785
786 return 0;
787
788 out_release_region:
789 pci_release_regions(pdev);
790 out_disable_device:
791 pci_disable_device(pdev);
792 out:
793 return rc;
794 }
795
796 void
bfad_pci_uninit(struct pci_dev * pdev,struct bfad_s * bfad)797 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
798 {
799 pci_iounmap(pdev, bfad->pci_bar0_kva);
800 pci_iounmap(pdev, bfad->pci_bar2_kva);
801 pci_release_regions(pdev);
802 pci_disable_device(pdev);
803 }
804
805 bfa_status_t
bfad_drv_init(struct bfad_s * bfad)806 bfad_drv_init(struct bfad_s *bfad)
807 {
808 bfa_status_t rc;
809 unsigned long flags;
810
811 bfad->cfg_data.rport_del_timeout = rport_del_timeout;
812 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
813 bfad->cfg_data.io_max_sge = bfa_io_max_sge;
814 bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
815
816 rc = bfad_hal_mem_alloc(bfad);
817 if (rc != BFA_STATUS_OK) {
818 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
819 bfad->inst_no);
820 printk(KERN_WARNING
821 "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n");
822 return BFA_STATUS_FAILED;
823 }
824
825 bfad->bfa.trcmod = bfad->trcmod;
826 bfad->bfa.plog = &bfad->plog_buf;
827 bfa_plog_init(&bfad->plog_buf);
828 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
829 0, "Driver Attach");
830
831 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
832 &bfad->hal_pcidev);
833
834 /* FCS INIT */
835 spin_lock_irqsave(&bfad->bfad_lock, flags);
836 bfad->bfa_fcs.trcmod = bfad->trcmod;
837 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
838 bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
839 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
840
841 bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
842
843 return BFA_STATUS_OK;
844 }
845
846 void
bfad_drv_start(struct bfad_s * bfad)847 bfad_drv_start(struct bfad_s *bfad)
848 {
849 unsigned long flags;
850
851 spin_lock_irqsave(&bfad->bfad_lock, flags);
852 bfa_iocfc_start(&bfad->bfa);
853 bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
854 bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
855 bfad->bfad_flags |= BFAD_HAL_START_DONE;
856 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
857
858 if (bfad->im)
859 flush_workqueue(bfad->im->drv_workq);
860 }
861
862 void
bfad_fcs_stop(struct bfad_s * bfad)863 bfad_fcs_stop(struct bfad_s *bfad)
864 {
865 unsigned long flags;
866
867 spin_lock_irqsave(&bfad->bfad_lock, flags);
868 init_completion(&bfad->comp);
869 bfad->pport.flags |= BFAD_PORT_DELETE;
870 bfa_fcs_exit(&bfad->bfa_fcs);
871 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
872 wait_for_completion(&bfad->comp);
873
874 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
875 }
876
877 void
bfad_stop(struct bfad_s * bfad)878 bfad_stop(struct bfad_s *bfad)
879 {
880 unsigned long flags;
881
882 spin_lock_irqsave(&bfad->bfad_lock, flags);
883 init_completion(&bfad->comp);
884 bfa_iocfc_stop(&bfad->bfa);
885 bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
886 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
887 wait_for_completion(&bfad->comp);
888
889 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
890 }
891
892 bfa_status_t
bfad_cfg_pport(struct bfad_s * bfad,enum bfa_lport_role role)893 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
894 {
895 int rc = BFA_STATUS_OK;
896
897 /* Allocate scsi_host for the physical port */
898 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
899 (role & BFA_LPORT_ROLE_FCP_IM)) {
900 if (bfad->pport.im_port == NULL) {
901 rc = BFA_STATUS_FAILED;
902 goto out;
903 }
904
905 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
906 &bfad->pcidev->dev);
907 if (rc != BFA_STATUS_OK)
908 goto out;
909
910 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
911 }
912
913 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
914
915 out:
916 return rc;
917 }
918
919 void
bfad_uncfg_pport(struct bfad_s * bfad)920 bfad_uncfg_pport(struct bfad_s *bfad)
921 {
922 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
923 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
924 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
925 bfad_im_port_clean(bfad->pport.im_port);
926 kfree(bfad->pport.im_port);
927 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
928 }
929
930 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
931 }
932
933 bfa_status_t
bfad_start_ops(struct bfad_s * bfad)934 bfad_start_ops(struct bfad_s *bfad) {
935
936 int retval;
937 unsigned long flags;
938 struct bfad_vport_s *vport, *vport_new;
939 struct bfa_fcs_driver_info_s driver_info;
940
941 /* Limit min/max. xfer size to [64k-32MB] */
942 if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
943 max_xfer_size = BFAD_MIN_SECTORS >> 1;
944 if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
945 max_xfer_size = BFAD_MAX_SECTORS >> 1;
946
947 /* Fill the driver_info info to fcs*/
948 memset(&driver_info, 0, sizeof(driver_info));
949 strscpy(driver_info.version, BFAD_DRIVER_VERSION,
950 sizeof(driver_info.version));
951 if (host_name)
952 strscpy(driver_info.host_machine_name, host_name,
953 sizeof(driver_info.host_machine_name));
954 if (os_name)
955 strscpy(driver_info.host_os_name, os_name,
956 sizeof(driver_info.host_os_name));
957 if (os_patch)
958 strscpy(driver_info.host_os_patch, os_patch,
959 sizeof(driver_info.host_os_patch));
960
961 strscpy(driver_info.os_device_name, bfad->pci_name,
962 sizeof(driver_info.os_device_name));
963
964 /* FCS driver info init */
965 spin_lock_irqsave(&bfad->bfad_lock, flags);
966 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
967
968 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
969 bfa_fcs_update_cfg(&bfad->bfa_fcs);
970 else
971 bfa_fcs_init(&bfad->bfa_fcs);
972
973 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
974
975 if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) {
976 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
977 if (retval != BFA_STATUS_OK)
978 return BFA_STATUS_FAILED;
979 }
980
981 /* Setup fc host fixed attribute if the lk supports */
982 bfad_fc_host_init(bfad->pport.im_port);
983
984 /* BFAD level FC4 IM specific resource allocation */
985 retval = bfad_im_probe(bfad);
986 if (retval != BFA_STATUS_OK) {
987 printk(KERN_WARNING "bfad_im_probe failed\n");
988 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
989 bfa_sm_set_state(bfad, bfad_sm_failed);
990 return BFA_STATUS_FAILED;
991 } else
992 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
993
994 bfad_drv_start(bfad);
995
996 /* Complete pbc vport create */
997 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
998 list_entry) {
999 struct fc_vport_identifiers vid;
1000 struct fc_vport *fc_vport;
1001 char pwwn_buf[BFA_STRING_32];
1002
1003 memset(&vid, 0, sizeof(vid));
1004 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1005 vid.vport_type = FC_PORTTYPE_NPIV;
1006 vid.disable = false;
1007 vid.node_name = wwn_to_u64((u8 *)
1008 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1009 vid.port_name = wwn_to_u64((u8 *)
1010 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1011 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1012 if (!fc_vport) {
1013 wwn2str(pwwn_buf, vid.port_name);
1014 printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1015 " %s\n", bfad->inst_no, pwwn_buf);
1016 }
1017 list_del(&vport->list_entry);
1018 kfree(vport);
1019 }
1020
1021 /*
1022 * If bfa_linkup_delay is set to -1 default; try to retrive the
1023 * value using the bfad_get_linkup_delay(); else use the
1024 * passed in module param value as the bfa_linkup_delay.
1025 */
1026 if (bfa_linkup_delay < 0) {
1027 bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1028 bfad_rport_online_wait(bfad);
1029 bfa_linkup_delay = -1;
1030 } else
1031 bfad_rport_online_wait(bfad);
1032
1033 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
1034
1035 return BFA_STATUS_OK;
1036 }
1037
1038 int
bfad_worker(void * ptr)1039 bfad_worker(void *ptr)
1040 {
1041 struct bfad_s *bfad = ptr;
1042 unsigned long flags;
1043
1044 if (kthread_should_stop())
1045 return 0;
1046
1047 /* Send event BFAD_E_INIT_SUCCESS */
1048 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1049
1050 spin_lock_irqsave(&bfad->bfad_lock, flags);
1051 bfad->bfad_tsk = NULL;
1052 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1053
1054 return 0;
1055 }
1056
1057 /*
1058 * BFA driver interrupt functions
1059 */
1060 irqreturn_t
bfad_intx(int irq,void * dev_id)1061 bfad_intx(int irq, void *dev_id)
1062 {
1063 struct bfad_s *bfad = dev_id;
1064 struct list_head doneq;
1065 unsigned long flags;
1066 bfa_boolean_t rc;
1067
1068 spin_lock_irqsave(&bfad->bfad_lock, flags);
1069 rc = bfa_intx(&bfad->bfa);
1070 if (!rc) {
1071 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1072 return IRQ_NONE;
1073 }
1074
1075 bfa_comp_deq(&bfad->bfa, &doneq);
1076 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1077
1078 if (!list_empty(&doneq)) {
1079 bfa_comp_process(&bfad->bfa, &doneq);
1080
1081 spin_lock_irqsave(&bfad->bfad_lock, flags);
1082 bfa_comp_free(&bfad->bfa, &doneq);
1083 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1084 }
1085
1086 return IRQ_HANDLED;
1087
1088 }
1089
1090 static irqreturn_t
bfad_msix(int irq,void * dev_id)1091 bfad_msix(int irq, void *dev_id)
1092 {
1093 struct bfad_msix_s *vec = dev_id;
1094 struct bfad_s *bfad = vec->bfad;
1095 struct list_head doneq;
1096 unsigned long flags;
1097
1098 spin_lock_irqsave(&bfad->bfad_lock, flags);
1099
1100 bfa_msix(&bfad->bfa, vec->msix.entry);
1101 bfa_comp_deq(&bfad->bfa, &doneq);
1102 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1103
1104 if (!list_empty(&doneq)) {
1105 bfa_comp_process(&bfad->bfa, &doneq);
1106
1107 spin_lock_irqsave(&bfad->bfad_lock, flags);
1108 bfa_comp_free(&bfad->bfa, &doneq);
1109 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1110 }
1111
1112 return IRQ_HANDLED;
1113 }
1114
1115 /*
1116 * Initialize the MSIX entry table.
1117 */
1118 static void
bfad_init_msix_entry(struct bfad_s * bfad,struct msix_entry * msix_entries,int mask,int max_bit)1119 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1120 int mask, int max_bit)
1121 {
1122 int i;
1123 int match = 0x00000001;
1124
1125 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1126 if (mask & match) {
1127 bfad->msix_tab[bfad->nvec].msix.entry = i;
1128 bfad->msix_tab[bfad->nvec].bfad = bfad;
1129 msix_entries[bfad->nvec].entry = i;
1130 bfad->nvec++;
1131 }
1132
1133 match <<= 1;
1134 }
1135
1136 }
1137
1138 int
bfad_install_msix_handler(struct bfad_s * bfad)1139 bfad_install_msix_handler(struct bfad_s *bfad)
1140 {
1141 int i, error = 0;
1142
1143 for (i = 0; i < bfad->nvec; i++) {
1144 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1145 bfad->pci_name,
1146 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1147 msix_name_cb[i] : msix_name_ct[i]));
1148
1149 error = request_irq(bfad->msix_tab[i].msix.vector,
1150 (irq_handler_t) bfad_msix, 0,
1151 bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1152 bfa_trc(bfad, i);
1153 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1154 if (error) {
1155 int j;
1156
1157 for (j = 0; j < i; j++)
1158 free_irq(bfad->msix_tab[j].msix.vector,
1159 &bfad->msix_tab[j]);
1160
1161 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1162 pci_disable_msix(bfad->pcidev);
1163
1164 return 1;
1165 }
1166 }
1167
1168 return 0;
1169 }
1170
1171 /*
1172 * Setup MSIX based interrupt.
1173 */
1174 int
bfad_setup_intr(struct bfad_s * bfad)1175 bfad_setup_intr(struct bfad_s *bfad)
1176 {
1177 int error;
1178 u32 mask = 0, i, num_bit = 0, max_bit = 0;
1179 struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1180 struct pci_dev *pdev = bfad->pcidev;
1181 u16 reg;
1182
1183 /* Call BFA to get the msix map for this PCI function. */
1184 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1185
1186 /* Set up the msix entry table */
1187 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1188
1189 if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1190 (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
1191
1192 error = pci_enable_msix_exact(bfad->pcidev,
1193 msix_entries, bfad->nvec);
1194 /* In CT1 & CT2, try to allocate just one vector */
1195 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
1196 printk(KERN_WARNING "bfa %s: trying one msix "
1197 "vector failed to allocate %d[%d]\n",
1198 bfad->pci_name, bfad->nvec, error);
1199 bfad->nvec = 1;
1200 error = pci_enable_msix_exact(bfad->pcidev,
1201 msix_entries, 1);
1202 }
1203
1204 if (error) {
1205 printk(KERN_WARNING "bfad%d: "
1206 "pci_enable_msix_exact failed (%d), "
1207 "use line based.\n",
1208 bfad->inst_no, error);
1209 goto line_based;
1210 }
1211
1212 /* Disable INTX in MSI-X mode */
1213 pci_read_config_word(pdev, PCI_COMMAND, ®);
1214
1215 if (!(reg & PCI_COMMAND_INTX_DISABLE))
1216 pci_write_config_word(pdev, PCI_COMMAND,
1217 reg | PCI_COMMAND_INTX_DISABLE);
1218
1219 /* Save the vectors */
1220 for (i = 0; i < bfad->nvec; i++) {
1221 bfa_trc(bfad, msix_entries[i].vector);
1222 bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1223 }
1224
1225 bfa_msix_init(&bfad->bfa, bfad->nvec);
1226
1227 bfad->bfad_flags |= BFAD_MSIX_ON;
1228
1229 return 0;
1230 }
1231
1232 line_based:
1233 error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx,
1234 BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad);
1235 if (error)
1236 return error;
1237
1238 bfad->bfad_flags |= BFAD_INTX_ON;
1239
1240 return 0;
1241 }
1242
1243 void
bfad_remove_intr(struct bfad_s * bfad)1244 bfad_remove_intr(struct bfad_s *bfad)
1245 {
1246 int i;
1247
1248 if (bfad->bfad_flags & BFAD_MSIX_ON) {
1249 for (i = 0; i < bfad->nvec; i++)
1250 free_irq(bfad->msix_tab[i].msix.vector,
1251 &bfad->msix_tab[i]);
1252
1253 pci_disable_msix(bfad->pcidev);
1254 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1255 } else if (bfad->bfad_flags & BFAD_INTX_ON) {
1256 free_irq(bfad->pcidev->irq, bfad);
1257 }
1258 }
1259
1260 /*
1261 * PCI probe entry.
1262 */
1263 int
bfad_pci_probe(struct pci_dev * pdev,const struct pci_device_id * pid)1264 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1265 {
1266 struct bfad_s *bfad;
1267 int error = -ENODEV, retval, i;
1268
1269 /* For single port cards - only claim function 0 */
1270 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1271 (PCI_FUNC(pdev->devfn) != 0))
1272 return -ENODEV;
1273
1274 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1275 if (!bfad) {
1276 error = -ENOMEM;
1277 goto out;
1278 }
1279
1280 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1281 if (!bfad->trcmod) {
1282 printk(KERN_WARNING "Error alloc trace buffer!\n");
1283 error = -ENOMEM;
1284 goto out_alloc_trace_failure;
1285 }
1286
1287 /* TRACE INIT */
1288 bfa_trc_init(bfad->trcmod);
1289 bfa_trc(bfad, bfad_inst);
1290
1291 /* AEN INIT */
1292 INIT_LIST_HEAD(&bfad->free_aen_q);
1293 INIT_LIST_HEAD(&bfad->active_aen_q);
1294 for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1295 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1296
1297 if (!(bfad_load_fwimg(pdev))) {
1298 kfree(bfad->trcmod);
1299 goto out_alloc_trace_failure;
1300 }
1301
1302 retval = bfad_pci_init(pdev, bfad);
1303 if (retval) {
1304 printk(KERN_WARNING "bfad_pci_init failure!\n");
1305 error = retval;
1306 goto out_pci_init_failure;
1307 }
1308
1309 mutex_lock(&bfad_mutex);
1310 bfad->inst_no = bfad_inst++;
1311 list_add_tail(&bfad->list_entry, &bfad_list);
1312 mutex_unlock(&bfad_mutex);
1313
1314 /* Initializing the state machine: State set to uninit */
1315 bfa_sm_set_state(bfad, bfad_sm_uninit);
1316
1317 spin_lock_init(&bfad->bfad_lock);
1318 spin_lock_init(&bfad->bfad_aen_spinlock);
1319
1320 pci_set_drvdata(pdev, bfad);
1321
1322 bfad->ref_count = 0;
1323 bfad->pport.bfad = bfad;
1324 INIT_LIST_HEAD(&bfad->pbc_vport_list);
1325 INIT_LIST_HEAD(&bfad->vport_list);
1326
1327 /* Setup the debugfs node for this bfad */
1328 if (bfa_debugfs_enable)
1329 bfad_debugfs_init(&bfad->pport);
1330
1331 retval = bfad_drv_init(bfad);
1332 if (retval != BFA_STATUS_OK)
1333 goto out_drv_init_failure;
1334
1335 bfa_sm_send_event(bfad, BFAD_E_CREATE);
1336
1337 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1338 goto out_bfad_sm_failure;
1339
1340 return 0;
1341
1342 out_bfad_sm_failure:
1343 bfad_hal_mem_release(bfad);
1344 out_drv_init_failure:
1345 /* Remove the debugfs node for this bfad */
1346 kfree(bfad->regdata);
1347 bfad_debugfs_exit(&bfad->pport);
1348 mutex_lock(&bfad_mutex);
1349 bfad_inst--;
1350 list_del(&bfad->list_entry);
1351 mutex_unlock(&bfad_mutex);
1352 bfad_pci_uninit(pdev, bfad);
1353 out_pci_init_failure:
1354 kfree(bfad->trcmod);
1355 out_alloc_trace_failure:
1356 kfree(bfad);
1357 out:
1358 return error;
1359 }
1360
1361 /*
1362 * PCI remove entry.
1363 */
1364 void
bfad_pci_remove(struct pci_dev * pdev)1365 bfad_pci_remove(struct pci_dev *pdev)
1366 {
1367 struct bfad_s *bfad = pci_get_drvdata(pdev);
1368 unsigned long flags;
1369
1370 bfa_trc(bfad, bfad->inst_no);
1371
1372 spin_lock_irqsave(&bfad->bfad_lock, flags);
1373 if (bfad->bfad_tsk != NULL) {
1374 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1375 kthread_stop(bfad->bfad_tsk);
1376 } else {
1377 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1378 }
1379
1380 /* Send Event BFAD_E_STOP */
1381 bfa_sm_send_event(bfad, BFAD_E_STOP);
1382
1383 /* Driver detach and dealloc mem */
1384 spin_lock_irqsave(&bfad->bfad_lock, flags);
1385 bfa_detach(&bfad->bfa);
1386 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1387 bfad_hal_mem_release(bfad);
1388
1389 /* Remove the debugfs node for this bfad */
1390 kfree(bfad->regdata);
1391 bfad_debugfs_exit(&bfad->pport);
1392
1393 /* Cleaning the BFAD instance */
1394 mutex_lock(&bfad_mutex);
1395 bfad_inst--;
1396 list_del(&bfad->list_entry);
1397 mutex_unlock(&bfad_mutex);
1398 bfad_pci_uninit(pdev, bfad);
1399
1400 kfree(bfad->trcmod);
1401 kfree(bfad);
1402 }
1403
1404 /*
1405 * PCI Error Recovery entry, error detected.
1406 */
1407 static pci_ers_result_t
bfad_pci_error_detected(struct pci_dev * pdev,pci_channel_state_t state)1408 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1409 {
1410 struct bfad_s *bfad = pci_get_drvdata(pdev);
1411 unsigned long flags;
1412 pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1413
1414 dev_printk(KERN_ERR, &pdev->dev,
1415 "error detected state: %d - flags: 0x%x\n",
1416 state, bfad->bfad_flags);
1417
1418 switch (state) {
1419 case pci_channel_io_normal: /* non-fatal error */
1420 spin_lock_irqsave(&bfad->bfad_lock, flags);
1421 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1422 /* Suspend/fail all bfa operations */
1423 bfa_ioc_suspend(&bfad->bfa.ioc);
1424 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1425 timer_delete_sync(&bfad->hal_tmo);
1426 ret = PCI_ERS_RESULT_CAN_RECOVER;
1427 break;
1428 case pci_channel_io_frozen: /* fatal error */
1429 init_completion(&bfad->comp);
1430 spin_lock_irqsave(&bfad->bfad_lock, flags);
1431 bfad->bfad_flags |= BFAD_EEH_BUSY;
1432 /* Suspend/fail all bfa operations */
1433 bfa_ioc_suspend(&bfad->bfa.ioc);
1434 bfa_fcs_stop(&bfad->bfa_fcs);
1435 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1436 wait_for_completion(&bfad->comp);
1437
1438 bfad_remove_intr(bfad);
1439 timer_delete_sync(&bfad->hal_tmo);
1440 pci_disable_device(pdev);
1441 ret = PCI_ERS_RESULT_NEED_RESET;
1442 break;
1443 case pci_channel_io_perm_failure: /* PCI Card is DEAD */
1444 spin_lock_irqsave(&bfad->bfad_lock, flags);
1445 bfad->bfad_flags |= BFAD_EEH_BUSY |
1446 BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1447 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1448
1449 /* If the error_detected handler is called with the reason
1450 * pci_channel_io_perm_failure - it will subsequently call
1451 * pci_remove() entry point to remove the pci device from the
1452 * system - So defer the cleanup to pci_remove(); cleaning up
1453 * here causes inconsistent state during pci_remove().
1454 */
1455 ret = PCI_ERS_RESULT_DISCONNECT;
1456 break;
1457 default:
1458 WARN_ON(1);
1459 }
1460
1461 return ret;
1462 }
1463
restart_bfa(struct bfad_s * bfad)1464 static int restart_bfa(struct bfad_s *bfad)
1465 {
1466 unsigned long flags;
1467 struct pci_dev *pdev = bfad->pcidev;
1468
1469 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1470 &bfad->meminfo, &bfad->hal_pcidev);
1471
1472 /* Enable Interrupt and wait bfa_init completion */
1473 if (bfad_setup_intr(bfad)) {
1474 dev_printk(KERN_WARNING, &pdev->dev,
1475 "%s: bfad_setup_intr failed\n", bfad->pci_name);
1476 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
1477 return -1;
1478 }
1479
1480 init_completion(&bfad->comp);
1481 spin_lock_irqsave(&bfad->bfad_lock, flags);
1482 bfa_iocfc_init(&bfad->bfa);
1483 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1484
1485 /* Set up interrupt handler for each vectors */
1486 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1487 bfad_install_msix_handler(bfad))
1488 dev_printk(KERN_WARNING, &pdev->dev,
1489 "%s: install_msix failed.\n", bfad->pci_name);
1490
1491 bfad_init_timer(bfad);
1492 wait_for_completion(&bfad->comp);
1493 bfad_drv_start(bfad);
1494
1495 return 0;
1496 }
1497
1498 /*
1499 * PCI Error Recovery entry, re-initialize the chip.
1500 */
1501 static pci_ers_result_t
bfad_pci_slot_reset(struct pci_dev * pdev)1502 bfad_pci_slot_reset(struct pci_dev *pdev)
1503 {
1504 struct bfad_s *bfad = pci_get_drvdata(pdev);
1505 u8 byte;
1506 int rc;
1507
1508 dev_printk(KERN_ERR, &pdev->dev,
1509 "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1510
1511 if (pci_enable_device(pdev)) {
1512 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1513 "PCI device after reset.\n");
1514 return PCI_ERS_RESULT_DISCONNECT;
1515 }
1516
1517 pci_restore_state(pdev);
1518
1519 /*
1520 * Read some byte (e.g. DMA max. payload size which can't
1521 * be 0xff any time) to make sure - we did not hit another PCI error
1522 * in the middle of recovery. If we did, then declare permanent failure.
1523 */
1524 pci_read_config_byte(pdev, 0x68, &byte);
1525 if (byte == 0xff) {
1526 dev_printk(KERN_ERR, &pdev->dev,
1527 "slot_reset failed ... got another PCI error !\n");
1528 goto out_disable_device;
1529 }
1530
1531 pci_save_state(pdev);
1532 pci_set_master(pdev);
1533
1534 rc = dma_set_mask_and_coherent(&bfad->pcidev->dev, DMA_BIT_MASK(64));
1535 if (rc)
1536 goto out_disable_device;
1537
1538 if (restart_bfa(bfad) == -1)
1539 goto out_disable_device;
1540
1541 dev_printk(KERN_WARNING, &pdev->dev,
1542 "slot_reset completed flags: 0x%x!\n", bfad->bfad_flags);
1543
1544 return PCI_ERS_RESULT_RECOVERED;
1545
1546 out_disable_device:
1547 pci_disable_device(pdev);
1548 return PCI_ERS_RESULT_DISCONNECT;
1549 }
1550
1551 static pci_ers_result_t
bfad_pci_mmio_enabled(struct pci_dev * pdev)1552 bfad_pci_mmio_enabled(struct pci_dev *pdev)
1553 {
1554 unsigned long flags;
1555 struct bfad_s *bfad = pci_get_drvdata(pdev);
1556
1557 dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1558
1559 /* Fetch FW diagnostic information */
1560 bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1561
1562 /* Cancel all pending IOs */
1563 spin_lock_irqsave(&bfad->bfad_lock, flags);
1564 init_completion(&bfad->comp);
1565 bfa_fcs_stop(&bfad->bfa_fcs);
1566 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1567 wait_for_completion(&bfad->comp);
1568
1569 bfad_remove_intr(bfad);
1570 timer_delete_sync(&bfad->hal_tmo);
1571 pci_disable_device(pdev);
1572
1573 return PCI_ERS_RESULT_NEED_RESET;
1574 }
1575
1576 static void
bfad_pci_resume(struct pci_dev * pdev)1577 bfad_pci_resume(struct pci_dev *pdev)
1578 {
1579 unsigned long flags;
1580 struct bfad_s *bfad = pci_get_drvdata(pdev);
1581
1582 dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1583
1584 /* wait until the link is online */
1585 bfad_rport_online_wait(bfad);
1586
1587 spin_lock_irqsave(&bfad->bfad_lock, flags);
1588 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1589 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1590 }
1591
1592 struct pci_device_id bfad_id_table[] = {
1593 {
1594 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1595 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1596 .subvendor = PCI_ANY_ID,
1597 .subdevice = PCI_ANY_ID,
1598 },
1599 {
1600 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1601 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1602 .subvendor = PCI_ANY_ID,
1603 .subdevice = PCI_ANY_ID,
1604 },
1605 {
1606 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1607 .device = BFA_PCI_DEVICE_ID_CT,
1608 .subvendor = PCI_ANY_ID,
1609 .subdevice = PCI_ANY_ID,
1610 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1611 .class_mask = ~0,
1612 },
1613 {
1614 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1615 .device = BFA_PCI_DEVICE_ID_CT_FC,
1616 .subvendor = PCI_ANY_ID,
1617 .subdevice = PCI_ANY_ID,
1618 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1619 .class_mask = ~0,
1620 },
1621 {
1622 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1623 .device = BFA_PCI_DEVICE_ID_CT2,
1624 .subvendor = PCI_ANY_ID,
1625 .subdevice = PCI_ANY_ID,
1626 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1627 .class_mask = ~0,
1628 },
1629
1630 {
1631 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1632 .device = BFA_PCI_DEVICE_ID_CT2_QUAD,
1633 .subvendor = PCI_ANY_ID,
1634 .subdevice = PCI_ANY_ID,
1635 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1636 .class_mask = ~0,
1637 },
1638 {0, 0},
1639 };
1640
1641 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1642
1643 /*
1644 * PCI error recovery handlers.
1645 */
1646 static const struct pci_error_handlers bfad_err_handler = {
1647 .error_detected = bfad_pci_error_detected,
1648 .slot_reset = bfad_pci_slot_reset,
1649 .mmio_enabled = bfad_pci_mmio_enabled,
1650 .resume = bfad_pci_resume,
1651 };
1652
1653 static struct pci_driver bfad_pci_driver = {
1654 .name = BFAD_DRIVER_NAME,
1655 .id_table = bfad_id_table,
1656 .probe = bfad_pci_probe,
1657 .remove = bfad_pci_remove,
1658 .err_handler = &bfad_err_handler,
1659 };
1660
1661 /*
1662 * Driver module init.
1663 */
1664 static int __init
bfad_init(void)1665 bfad_init(void)
1666 {
1667 int error = 0;
1668
1669 pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n",
1670 BFAD_DRIVER_VERSION);
1671
1672 if (num_sgpgs > 0)
1673 num_sgpgs_parm = num_sgpgs;
1674
1675 error = bfad_im_module_init();
1676 if (error) {
1677 printk(KERN_WARNING "bfad_im_module_init failure\n");
1678 return -ENOMEM;
1679 }
1680
1681 if (strcmp(FCPI_NAME, " fcpim") == 0)
1682 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1683
1684 bfa_auto_recover = ioc_auto_recover;
1685 bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1686 bfa_fcs_rport_set_max_logins(max_rport_logins);
1687
1688 error = pci_register_driver(&bfad_pci_driver);
1689 if (error) {
1690 printk(KERN_WARNING "pci_register_driver failure\n");
1691 goto ext;
1692 }
1693
1694 return 0;
1695
1696 ext:
1697 bfad_im_module_exit();
1698 return error;
1699 }
1700
1701 /*
1702 * Driver module exit.
1703 */
1704 static void __exit
bfad_exit(void)1705 bfad_exit(void)
1706 {
1707 pci_unregister_driver(&bfad_pci_driver);
1708 bfad_im_module_exit();
1709 bfad_free_fwimg();
1710 }
1711
1712 /* Firmware handling */
1713 static void
bfad_read_firmware(struct pci_dev * pdev,u32 ** bfi_image,u32 * bfi_image_size,char * fw_name)1714 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1715 u32 *bfi_image_size, char *fw_name)
1716 {
1717 const struct firmware *fw;
1718
1719 if (request_firmware(&fw, fw_name, &pdev->dev)) {
1720 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1721 *bfi_image = NULL;
1722 goto out;
1723 }
1724
1725 *bfi_image = vmalloc(fw->size);
1726 if (NULL == *bfi_image) {
1727 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1728 "size=%x!\n", (u32) fw->size);
1729 goto out;
1730 }
1731
1732 memcpy(*bfi_image, fw->data, fw->size);
1733 *bfi_image_size = fw->size/sizeof(u32);
1734 out:
1735 release_firmware(fw);
1736 }
1737
1738 static u32 *
bfad_load_fwimg(struct pci_dev * pdev)1739 bfad_load_fwimg(struct pci_dev *pdev)
1740 {
1741 if (bfa_asic_id_ct2(pdev->device)) {
1742 if (bfi_image_ct2_size == 0)
1743 bfad_read_firmware(pdev, &bfi_image_ct2,
1744 &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1745 return bfi_image_ct2;
1746 } else if (bfa_asic_id_ct(pdev->device)) {
1747 if (bfi_image_ct_size == 0)
1748 bfad_read_firmware(pdev, &bfi_image_ct,
1749 &bfi_image_ct_size, BFAD_FW_FILE_CT);
1750 return bfi_image_ct;
1751 } else if (bfa_asic_id_cb(pdev->device)) {
1752 if (bfi_image_cb_size == 0)
1753 bfad_read_firmware(pdev, &bfi_image_cb,
1754 &bfi_image_cb_size, BFAD_FW_FILE_CB);
1755 return bfi_image_cb;
1756 }
1757
1758 return NULL;
1759 }
1760
1761 static void
bfad_free_fwimg(void)1762 bfad_free_fwimg(void)
1763 {
1764 if (bfi_image_ct2_size && bfi_image_ct2)
1765 vfree(bfi_image_ct2);
1766 if (bfi_image_ct_size && bfi_image_ct)
1767 vfree(bfi_image_ct);
1768 if (bfi_image_cb_size && bfi_image_cb)
1769 vfree(bfi_image_cb);
1770 }
1771
1772 module_init(bfad_init);
1773 module_exit(bfad_exit);
1774 MODULE_LICENSE("GPL");
1775 MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1776 MODULE_AUTHOR("QLogic Corporation");
1777 MODULE_VERSION(BFAD_DRIVER_VERSION);
1778