2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
19 * bfad.c Linux driver PCI interface module.
21 #include <linux/module.h>
22 #include <linux/kthread.h>
23 #include <linux/errno.h>
24 #include <linux/sched.h>
25 #include <linux/init.h>
27 #include <linux/pci.h>
28 #include <linux/firmware.h>
29 #include <asm/uaccess.h>
30 #include <asm/fcntl.h>
35 #include "bfa_os_inc.h"
39 BFA_TRC_FILE(LDRV, BFAD);
40 DEFINE_MUTEX(bfad_mutex);
44 static int num_sgpgs_parm;
46 char *host_name, *os_name, *os_patch;
47 int num_rports, num_ios, num_tms;
48 int num_fcxps, num_ufbufs;
49 int reqq_size, rspq_size, num_sgpgs;
50 int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
51 int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
52 int bfa_io_max_sge = BFAD_IO_MAX_SGE;
53 int log_level = 3; /* WARNING log level */
54 int ioc_auto_recover = BFA_TRUE;
55 int bfa_linkup_delay = -1;
56 int fdmi_enable = BFA_TRUE;
57 int pcie_max_read_reqsz;
58 int bfa_debugfs_enable = 1;
59 int msix_disable_cb = 0, msix_disable_ct = 0;
61 u32 bfi_image_ct_fc_size, bfi_image_ct_cna_size, bfi_image_cb_fc_size;
62 u32 *bfi_image_ct_fc, *bfi_image_ct_cna, *bfi_image_cb_fc;
64 const char *msix_name_ct[] = {
65 "cpe0", "cpe1", "cpe2", "cpe3",
66 "rme0", "rme1", "rme2", "rme3",
69 const char *msix_name_cb[] = {
70 "cpe0", "cpe1", "cpe2", "cpe3",
71 "rme0", "rme1", "rme2", "rme3",
72 "eemc", "elpu0", "elpu1", "epss", "mlpu" };
74 MODULE_FIRMWARE(BFAD_FW_FILE_CT_FC);
75 MODULE_FIRMWARE(BFAD_FW_FILE_CT_CNA);
76 MODULE_FIRMWARE(BFAD_FW_FILE_CB_FC);
78 module_param(os_name, charp, S_IRUGO | S_IWUSR);
79 MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
80 module_param(os_patch, charp, S_IRUGO | S_IWUSR);
81 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
82 module_param(host_name, charp, S_IRUGO | S_IWUSR);
83 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
84 module_param(num_rports, int, S_IRUGO | S_IWUSR);
85 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
86 "(physical/logical), default=1024");
87 module_param(num_ios, int, S_IRUGO | S_IWUSR);
88 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
89 module_param(num_tms, int, S_IRUGO | S_IWUSR);
90 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
91 module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
92 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
93 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
94 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
95 "buffers, default=64");
96 module_param(reqq_size, int, S_IRUGO | S_IWUSR);
97 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
99 module_param(rspq_size, int, S_IRUGO | S_IWUSR);
100 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
102 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
103 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
104 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
105 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
107 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
108 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
109 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
110 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
111 module_param(log_level, int, S_IRUGO | S_IWUSR);
112 MODULE_PARM_DESC(log_level, "Driver log level, default=3, "
113 "Range[Critical:1|Error:2|Warning:3|Info:4]");
114 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
115 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
116 "Range[off:0|on:1]");
117 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
118 MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for "
119 "boot port. Otherwise 10 secs in RHEL4 & 0 for "
120 "[RHEL5, SLES10, ESX40] Range[>0]");
121 module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
122 MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts "
123 "for Brocade-415/425/815/825 cards, default=0, "
124 " Range[false:0|true:1]");
125 module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
126 MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts "
127 "if possible for Brocade-1010/1020/804/1007/902/1741 "
128 "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]");
140 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
142 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
144 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
146 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
148 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
150 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
152 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event);
155 * Beginning state for the driver instance, awaiting the pci_probe event
158 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event)
160 bfa_trc(bfad, event);
164 bfa_sm_set_state(bfad, bfad_sm_created);
165 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad,
166 "%s", "bfad_worker");
167 if (IS_ERR(bfad->bfad_tsk)) {
168 printk(KERN_INFO "bfad[%d]: Kernel thread "
169 "creation failed!\n", bfad->inst_no);
170 bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED);
172 bfa_sm_send_event(bfad, BFAD_E_INIT);
176 /* Ignore stop; already in uninit */
180 bfa_sm_fault(bfad, event);
185 * Driver Instance is created, awaiting event INIT to initialize the bfad
188 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
192 bfa_trc(bfad, event);
196 bfa_sm_set_state(bfad, bfad_sm_initializing);
198 init_completion(&bfad->comp);
200 /* Enable Interrupt and wait bfa_init completion */
201 if (bfad_setup_intr(bfad)) {
202 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
204 bfa_sm_send_event(bfad, BFAD_E_INTR_INIT_FAILED);
208 spin_lock_irqsave(&bfad->bfad_lock, flags);
209 bfa_init(&bfad->bfa);
210 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
212 /* Set up interrupt handler for each vectors */
213 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
214 bfad_install_msix_handler(bfad)) {
215 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
216 __func__, bfad->inst_no);
219 bfad_init_timer(bfad);
221 wait_for_completion(&bfad->comp);
223 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
224 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
226 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
227 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
232 case BFAD_E_KTHREAD_CREATE_FAILED:
233 bfa_sm_set_state(bfad, bfad_sm_uninit);
237 bfa_sm_fault(bfad, event);
242 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event)
247 bfa_trc(bfad, event);
250 case BFAD_E_INIT_SUCCESS:
251 kthread_stop(bfad->bfad_tsk);
252 spin_lock_irqsave(&bfad->bfad_lock, flags);
253 bfad->bfad_tsk = NULL;
254 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
256 retval = bfad_start_ops(bfad);
257 if (retval != BFA_STATUS_OK)
259 bfa_sm_set_state(bfad, bfad_sm_operational);
262 case BFAD_E_INTR_INIT_FAILED:
263 bfa_sm_set_state(bfad, bfad_sm_uninit);
264 kthread_stop(bfad->bfad_tsk);
265 spin_lock_irqsave(&bfad->bfad_lock, flags);
266 bfad->bfad_tsk = NULL;
267 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
270 case BFAD_E_INIT_FAILED:
271 bfa_sm_set_state(bfad, bfad_sm_failed);
274 bfa_sm_fault(bfad, event);
279 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event)
283 bfa_trc(bfad, event);
286 case BFAD_E_INIT_SUCCESS:
287 retval = bfad_start_ops(bfad);
288 if (retval != BFA_STATUS_OK)
290 bfa_sm_set_state(bfad, bfad_sm_operational);
294 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
295 bfad_uncfg_pport(bfad);
296 if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE) {
297 bfad_im_probe_undo(bfad);
298 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
303 case BFAD_E_EXIT_COMP:
304 bfa_sm_set_state(bfad, bfad_sm_uninit);
305 bfad_remove_intr(bfad);
306 del_timer_sync(&bfad->hal_tmo);
310 bfa_sm_fault(bfad, event);
315 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event)
317 bfa_trc(bfad, event);
321 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
326 bfa_sm_fault(bfad, event);
331 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event)
333 bfa_trc(bfad, event);
336 case BFAD_E_FCS_EXIT_COMP:
337 bfa_sm_set_state(bfad, bfad_sm_stopping);
342 bfa_sm_fault(bfad, event);
347 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event)
349 bfa_trc(bfad, event);
352 case BFAD_E_EXIT_COMP:
353 bfa_sm_set_state(bfad, bfad_sm_uninit);
354 bfad_remove_intr(bfad);
355 del_timer_sync(&bfad->hal_tmo);
356 bfad_im_probe_undo(bfad);
357 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
358 bfad_uncfg_pport(bfad);
362 bfa_sm_fault(bfad, event);
371 bfad_hcb_comp(void *arg, bfa_status_t status)
373 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
375 fcomp->status = status;
376 complete(&fcomp->comp);
383 bfa_cb_init(void *drv, bfa_status_t init_status)
385 struct bfad_s *bfad = drv;
387 if (init_status == BFA_STATUS_OK) {
388 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
391 * If BFAD_HAL_INIT_FAIL flag is set:
392 * Wake up the kernel thread to start
393 * the bfad operations after HAL init done
395 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
396 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
397 wake_up_process(bfad->bfad_tsk);
401 complete(&bfad->comp);
408 bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port,
409 enum bfa_lport_role roles, struct bfad_vf_s *vf_drv,
410 struct bfad_vport_s *vp_drv)
413 struct bfad_port_s *port_drv;
415 if (!vp_drv && !vf_drv) {
416 port_drv = &bfad->pport;
417 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
418 } else if (!vp_drv && vf_drv) {
419 port_drv = &vf_drv->base_port;
420 port_drv->pvb_type = BFAD_PORT_VF_BASE;
421 } else if (vp_drv && !vf_drv) {
422 port_drv = &vp_drv->drv_port;
423 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
425 port_drv = &vp_drv->drv_port;
426 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
429 port_drv->fcs_port = port;
430 port_drv->roles = roles;
432 if (roles & BFA_LPORT_ROLE_FCP_IM) {
433 rc = bfad_im_port_new(bfad, port_drv);
434 if (rc != BFA_STATUS_OK) {
435 bfad_im_port_delete(bfad, port_drv);
444 bfa_fcb_lport_delete(struct bfad_s *bfad, enum bfa_lport_role roles,
445 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
447 struct bfad_port_s *port_drv;
449 /* this will be only called from rmmod context */
450 if (vp_drv && !vp_drv->comp_del) {
451 port_drv = (vp_drv) ? (&(vp_drv)->drv_port) :
452 ((vf_drv) ? (&(vf_drv)->base_port) :
454 bfa_trc(bfad, roles);
455 if (roles & BFA_LPORT_ROLE_FCP_IM)
456 bfad_im_port_delete(bfad, port_drv);
461 * FCS RPORT alloc callback, after successful PLOGI by FCS
464 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
465 struct bfad_rport_s **rport_drv)
467 bfa_status_t rc = BFA_STATUS_OK;
469 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
470 if (*rport_drv == NULL) {
471 rc = BFA_STATUS_ENOMEM;
475 *rport = &(*rport_drv)->fcs_rport;
482 * FCS PBC VPORT Create
485 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
488 struct bfa_lport_cfg_s port_cfg = {0};
489 struct bfad_vport_s *vport;
492 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
498 vport->drv_port.bfad = bfad;
499 port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
500 port_cfg.pwwn = pbc_vport.vp_pwwn;
501 port_cfg.nwwn = pbc_vport.vp_nwwn;
502 port_cfg.preboot_vp = BFA_TRUE;
504 rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0,
507 if (rc != BFA_STATUS_OK) {
512 list_add_tail(&vport->list_entry, &bfad->pbc_vport_list);
516 bfad_hal_mem_release(struct bfad_s *bfad)
519 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
520 struct bfa_mem_elem_s *meminfo_elem;
522 for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
523 meminfo_elem = &hal_meminfo->meminfo[i];
524 if (meminfo_elem->kva != NULL) {
525 switch (meminfo_elem->mem_type) {
526 case BFA_MEM_TYPE_KVA:
527 vfree(meminfo_elem->kva);
529 case BFA_MEM_TYPE_DMA:
530 dma_free_coherent(&bfad->pcidev->dev,
531 meminfo_elem->mem_len,
533 (dma_addr_t) meminfo_elem->dma);
542 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
546 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
549 bfa_cfg->fwcfg.num_rports = num_rports;
551 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
553 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
555 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
557 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
559 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
561 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
563 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
566 * populate the hal values back to the driver for sysfs use.
567 * otherwise, the default values will be shown as 0 in sysfs
569 num_rports = bfa_cfg->fwcfg.num_rports;
570 num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
571 num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
572 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
573 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
574 reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
575 rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
576 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
580 bfad_hal_mem_alloc(struct bfad_s *bfad)
583 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
584 struct bfa_mem_elem_s *meminfo_elem;
585 dma_addr_t phys_addr;
587 bfa_status_t rc = BFA_STATUS_OK;
590 int min_num_sgpgs = 512;
592 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);
599 for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
600 meminfo_elem = &hal_meminfo->meminfo[i];
601 switch (meminfo_elem->mem_type) {
602 case BFA_MEM_TYPE_KVA:
603 kva = vmalloc(meminfo_elem->mem_len);
605 bfad_hal_mem_release(bfad);
606 rc = BFA_STATUS_ENOMEM;
609 memset(kva, 0, meminfo_elem->mem_len);
610 meminfo_elem->kva = kva;
612 case BFA_MEM_TYPE_DMA:
613 kva = dma_alloc_coherent(&bfad->pcidev->dev,
614 meminfo_elem->mem_len, &phys_addr, GFP_KERNEL);
616 bfad_hal_mem_release(bfad);
618 * If we cannot allocate with default
619 * num_sgpages try with half the value.
621 if (num_sgpgs > min_num_sgpgs) {
623 "bfad[%d]: memory allocation failed"
624 " with num_sgpgs: %d\n",
625 bfad->inst_no, num_sgpgs);
626 nextLowerInt(&num_sgpgs);
628 "bfad[%d]: trying to allocate memory"
629 " with num_sgpgs: %d\n",
630 bfad->inst_no, num_sgpgs);
634 if (num_sgpgs_parm > 0)
635 num_sgpgs = num_sgpgs_parm;
639 num_sgpgs *= reset_value;
641 rc = BFA_STATUS_ENOMEM;
646 if (num_sgpgs_parm > 0)
647 num_sgpgs = num_sgpgs_parm;
649 reset_value = (1 << retry_count);
650 num_sgpgs *= reset_value;
653 memset(kva, 0, meminfo_elem->mem_len);
654 meminfo_elem->kva = kva;
655 meminfo_elem->dma = phys_addr;
667 * Create a vport under a vf.
670 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
671 struct bfa_lport_cfg_s *port_cfg, struct device *dev)
673 struct bfad_vport_s *vport;
674 int rc = BFA_STATUS_OK;
676 struct completion fcomp;
678 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
680 rc = BFA_STATUS_ENOMEM;
684 vport->drv_port.bfad = bfad;
685 spin_lock_irqsave(&bfad->bfad_lock, flags);
686 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
688 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
690 if (rc != BFA_STATUS_OK)
693 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) {
694 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
696 if (rc != BFA_STATUS_OK)
697 goto ext_free_fcs_vport;
700 spin_lock_irqsave(&bfad->bfad_lock, flags);
701 bfa_fcs_vport_start(&vport->fcs_vport);
702 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
704 return BFA_STATUS_OK;
707 spin_lock_irqsave(&bfad->bfad_lock, flags);
708 vport->comp_del = &fcomp;
709 init_completion(vport->comp_del);
710 bfa_fcs_vport_delete(&vport->fcs_vport);
711 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
712 wait_for_completion(vport->comp_del);
720 bfad_bfa_tmo(unsigned long data)
722 struct bfad_s *bfad = (struct bfad_s *) data;
724 struct list_head doneq;
726 spin_lock_irqsave(&bfad->bfad_lock, flags);
728 bfa_timer_tick(&bfad->bfa);
730 bfa_comp_deq(&bfad->bfa, &doneq);
731 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
733 if (!list_empty(&doneq)) {
734 bfa_comp_process(&bfad->bfa, &doneq);
735 spin_lock_irqsave(&bfad->bfad_lock, flags);
736 bfa_comp_free(&bfad->bfa, &doneq);
737 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
740 mod_timer(&bfad->hal_tmo,
741 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
745 bfad_init_timer(struct bfad_s *bfad)
747 init_timer(&bfad->hal_tmo);
748 bfad->hal_tmo.function = bfad_bfa_tmo;
749 bfad->hal_tmo.data = (unsigned long)bfad;
751 mod_timer(&bfad->hal_tmo,
752 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
756 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
760 if (pci_enable_device(pdev)) {
761 printk(KERN_ERR "pci_enable_device fail %p\n", pdev);
765 if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
766 goto out_disable_device;
768 pci_set_master(pdev);
771 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)
772 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) {
773 printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev);
774 goto out_release_region;
777 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
779 if (bfad->pci_bar0_kva == NULL) {
780 printk(KERN_ERR "Fail to map bar0\n");
781 goto out_release_region;
784 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
785 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
786 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
787 bfad->hal_pcidev.device_id = pdev->device;
788 bfad->pci_name = pci_name(pdev);
790 bfad->pci_attr.vendor_id = pdev->vendor;
791 bfad->pci_attr.device_id = pdev->device;
792 bfad->pci_attr.ssid = pdev->subsystem_device;
793 bfad->pci_attr.ssvid = pdev->subsystem_vendor;
794 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
798 /* Adjust PCIe Maximum Read Request Size */
799 if (pcie_max_read_reqsz > 0) {
804 switch (pcie_max_read_reqsz) {
827 pcie_cap_reg = pci_find_capability(pdev, PCI_CAP_ID_EXP);
828 if (mask != 0xffff && pcie_cap_reg) {
829 pcie_cap_reg += 0x08;
830 pci_read_config_word(pdev, pcie_cap_reg, &pcie_dev_ctl);
831 if ((pcie_dev_ctl & 0x7000) != mask) {
832 printk(KERN_WARNING "BFA[%s]: "
833 "pcie_max_read_request_size is %d, "
834 "reset to %d\n", bfad->pci_name,
835 (1 << ((pcie_dev_ctl & 0x7000) >> 12)) << 7,
836 pcie_max_read_reqsz);
838 pcie_dev_ctl &= ~0x7000;
839 pci_write_config_word(pdev, pcie_cap_reg,
840 pcie_dev_ctl | mask);
848 pci_release_regions(pdev);
850 pci_disable_device(pdev);
856 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
858 pci_iounmap(pdev, bfad->pci_bar0_kva);
859 pci_release_regions(pdev);
860 pci_disable_device(pdev);
861 pci_set_drvdata(pdev, NULL);
865 bfad_drv_init(struct bfad_s *bfad)
870 bfad->cfg_data.rport_del_timeout = rport_del_timeout;
871 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
872 bfad->cfg_data.io_max_sge = bfa_io_max_sge;
873 bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
875 rc = bfad_hal_mem_alloc(bfad);
876 if (rc != BFA_STATUS_OK) {
877 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
880 "Not enough memory to attach all Brocade HBA ports, %s",
881 "System may need more memory.\n");
882 goto out_hal_mem_alloc_failure;
885 bfa_init_trc(&bfad->bfa, bfad->trcmod);
886 bfa_init_plog(&bfad->bfa, &bfad->plog_buf);
887 bfa_plog_init(&bfad->plog_buf);
888 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
891 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
895 spin_lock_irqsave(&bfad->bfad_lock, flags);
896 bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod);
897 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
898 bfa_fcs_set_fdmi_param(&bfad->bfa_fcs, fdmi_enable);
899 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
901 bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
903 return BFA_STATUS_OK;
905 out_hal_mem_alloc_failure:
906 return BFA_STATUS_FAILED;
910 bfad_drv_uninit(struct bfad_s *bfad)
914 spin_lock_irqsave(&bfad->bfad_lock, flags);
915 init_completion(&bfad->comp);
916 bfa_stop(&bfad->bfa);
917 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
918 wait_for_completion(&bfad->comp);
920 del_timer_sync(&bfad->hal_tmo);
921 bfa_isr_disable(&bfad->bfa);
922 bfa_detach(&bfad->bfa);
923 bfad_remove_intr(bfad);
924 bfad_hal_mem_release(bfad);
926 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
930 bfad_drv_start(struct bfad_s *bfad)
934 spin_lock_irqsave(&bfad->bfad_lock, flags);
935 bfa_start(&bfad->bfa);
936 bfa_fcs_start(&bfad->bfa_fcs);
937 bfad->bfad_flags |= BFAD_HAL_START_DONE;
938 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
941 flush_workqueue(bfad->im->drv_workq);
945 bfad_fcs_stop(struct bfad_s *bfad)
949 spin_lock_irqsave(&bfad->bfad_lock, flags);
950 init_completion(&bfad->comp);
951 bfad->pport.flags |= BFAD_PORT_DELETE;
952 bfa_fcs_exit(&bfad->bfa_fcs);
953 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
954 wait_for_completion(&bfad->comp);
956 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
960 bfad_stop(struct bfad_s *bfad)
964 spin_lock_irqsave(&bfad->bfad_lock, flags);
965 init_completion(&bfad->comp);
966 bfa_stop(&bfad->bfa);
967 bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
968 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
969 wait_for_completion(&bfad->comp);
971 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
975 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
977 int rc = BFA_STATUS_OK;
979 /* Allocate scsi_host for the physical port */
980 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
981 (role & BFA_LPORT_ROLE_FCP_IM)) {
982 if (bfad->pport.im_port == NULL) {
983 rc = BFA_STATUS_FAILED;
987 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
989 if (rc != BFA_STATUS_OK)
992 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
995 /* Setup the debugfs node for this scsi_host */
996 if (bfa_debugfs_enable)
997 bfad_debugfs_init(&bfad->pport);
999 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
1006 bfad_uncfg_pport(struct bfad_s *bfad)
1008 /* Remove the debugfs node for this scsi_host */
1009 kfree(bfad->regdata);
1010 bfad_debugfs_exit(&bfad->pport);
1012 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
1013 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
1014 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
1015 bfad_im_port_clean(bfad->pport.im_port);
1016 kfree(bfad->pport.im_port);
1017 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
1020 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
1024 bfad_start_ops(struct bfad_s *bfad) {
1027 unsigned long flags;
1028 struct bfad_vport_s *vport, *vport_new;
1029 struct bfa_fcs_driver_info_s driver_info;
1031 /* Fill the driver_info info to fcs*/
1032 memset(&driver_info, 0, sizeof(driver_info));
1033 strncpy(driver_info.version, BFAD_DRIVER_VERSION,
1034 sizeof(driver_info.version) - 1);
1036 strncpy(driver_info.host_machine_name, host_name,
1037 sizeof(driver_info.host_machine_name) - 1);
1039 strncpy(driver_info.host_os_name, os_name,
1040 sizeof(driver_info.host_os_name) - 1);
1042 strncpy(driver_info.host_os_patch, os_patch,
1043 sizeof(driver_info.host_os_patch) - 1);
1045 strncpy(driver_info.os_device_name, bfad->pci_name,
1046 sizeof(driver_info.os_device_name - 1));
1049 spin_lock_irqsave(&bfad->bfad_lock, flags);
1050 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
1051 bfa_fcs_init(&bfad->bfa_fcs);
1052 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1054 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
1055 if (retval != BFA_STATUS_OK) {
1056 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1057 bfa_sm_set_state(bfad, bfad_sm_failed);
1059 return BFA_STATUS_FAILED;
1062 /* BFAD level FC4 IM specific resource allocation */
1063 retval = bfad_im_probe(bfad);
1064 if (retval != BFA_STATUS_OK) {
1065 printk(KERN_WARNING "bfad_im_probe failed\n");
1066 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1067 bfa_sm_set_state(bfad, bfad_sm_failed);
1068 bfad_im_probe_undo(bfad);
1069 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
1070 bfad_uncfg_pport(bfad);
1072 return BFA_STATUS_FAILED;
1074 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1076 bfad_drv_start(bfad);
1078 /* Complete pbc vport create */
1079 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1081 struct fc_vport_identifiers vid;
1082 struct fc_vport *fc_vport;
1083 char pwwn_buf[BFA_STRING_32];
1085 memset(&vid, 0, sizeof(vid));
1086 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1087 vid.vport_type = FC_PORTTYPE_NPIV;
1088 vid.disable = false;
1089 vid.node_name = wwn_to_u64((u8 *)
1090 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1091 vid.port_name = wwn_to_u64((u8 *)
1092 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1093 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1095 wwn2str(pwwn_buf, vid.port_name);
1096 printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1097 " %s\n", bfad->inst_no, pwwn_buf);
1099 list_del(&vport->list_entry);
1104 * If bfa_linkup_delay is set to -1 default; try to retrive the
1105 * value using the bfad_os_get_linkup_delay(); else use the
1106 * passed in module param value as the bfa_linkup_delay.
1108 if (bfa_linkup_delay < 0) {
1109 bfa_linkup_delay = bfad_os_get_linkup_delay(bfad);
1110 bfad_os_rport_online_wait(bfad);
1111 bfa_linkup_delay = -1;
1113 bfad_os_rport_online_wait(bfad);
1115 BFA_LOG(KERN_INFO, bfad, log_level, "bfa device claimed\n");
1117 return BFA_STATUS_OK;
1121 bfad_worker(void *ptr)
1123 struct bfad_s *bfad;
1124 unsigned long flags;
1126 bfad = (struct bfad_s *)ptr;
1128 while (!kthread_should_stop()) {
1130 /* Send event BFAD_E_INIT_SUCCESS */
1131 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1133 spin_lock_irqsave(&bfad->bfad_lock, flags);
1134 bfad->bfad_tsk = NULL;
1135 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1144 * BFA driver interrupt functions
1147 bfad_intx(int irq, void *dev_id)
1149 struct bfad_s *bfad = dev_id;
1150 struct list_head doneq;
1151 unsigned long flags;
1154 spin_lock_irqsave(&bfad->bfad_lock, flags);
1155 rc = bfa_intx(&bfad->bfa);
1157 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1161 bfa_comp_deq(&bfad->bfa, &doneq);
1162 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1164 if (!list_empty(&doneq)) {
1165 bfa_comp_process(&bfad->bfa, &doneq);
1167 spin_lock_irqsave(&bfad->bfad_lock, flags);
1168 bfa_comp_free(&bfad->bfa, &doneq);
1169 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1170 bfa_trc_fp(bfad, irq);
1178 bfad_msix(int irq, void *dev_id)
1180 struct bfad_msix_s *vec = dev_id;
1181 struct bfad_s *bfad = vec->bfad;
1182 struct list_head doneq;
1183 unsigned long flags;
1185 spin_lock_irqsave(&bfad->bfad_lock, flags);
1187 bfa_msix(&bfad->bfa, vec->msix.entry);
1188 bfa_comp_deq(&bfad->bfa, &doneq);
1189 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1191 if (!list_empty(&doneq)) {
1192 bfa_comp_process(&bfad->bfa, &doneq);
1194 spin_lock_irqsave(&bfad->bfad_lock, flags);
1195 bfa_comp_free(&bfad->bfa, &doneq);
1196 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1203 * Initialize the MSIX entry table.
1206 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1207 int mask, int max_bit)
1210 int match = 0x00000001;
1212 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1214 bfad->msix_tab[bfad->nvec].msix.entry = i;
1215 bfad->msix_tab[bfad->nvec].bfad = bfad;
1216 msix_entries[bfad->nvec].entry = i;
1226 bfad_install_msix_handler(struct bfad_s *bfad)
1230 for (i = 0; i < bfad->nvec; i++) {
1231 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1233 ((bfa_asic_id_ct(bfad->hal_pcidev.device_id)) ?
1234 msix_name_ct[i] : msix_name_cb[i]));
1236 error = request_irq(bfad->msix_tab[i].msix.vector,
1237 (irq_handler_t) bfad_msix, 0,
1238 bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1240 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1244 for (j = 0; j < i; j++)
1245 free_irq(bfad->msix_tab[j].msix.vector,
1246 &bfad->msix_tab[j]);
1256 * Setup MSIX based interrupt.
1259 bfad_setup_intr(struct bfad_s *bfad)
1262 u32 mask = 0, i, num_bit = 0, max_bit = 0;
1263 struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1264 struct pci_dev *pdev = bfad->pcidev;
1266 /* Call BFA to get the msix map for this PCI function. */
1267 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1269 /* Set up the msix entry table */
1270 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1272 if ((bfa_asic_id_ct(pdev->device) && !msix_disable_ct) ||
1273 (!bfa_asic_id_ct(pdev->device) && !msix_disable_cb)) {
1275 error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec);
1278 * Only error number of vector is available.
1279 * We don't have a mechanism to map multiple
1280 * interrupts into one vector, so even if we
1281 * can try to request less vectors, we don't
1282 * know how to associate interrupt events to
1283 * vectors. Linux doesn't dupicate vectors
1284 * in the MSIX table for this case.
1287 printk(KERN_WARNING "bfad%d: "
1288 "pci_enable_msix failed (%d),"
1289 " use line based.\n", bfad->inst_no, error);
1294 /* Save the vectors */
1295 for (i = 0; i < bfad->nvec; i++) {
1296 bfa_trc(bfad, msix_entries[i].vector);
1297 bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1300 bfa_msix_init(&bfad->bfa, bfad->nvec);
1302 bfad->bfad_flags |= BFAD_MSIX_ON;
1310 (bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS,
1311 BFAD_DRIVER_NAME, bfad) != 0) {
1312 /* Enable interrupt handler failed */
1320 bfad_remove_intr(struct bfad_s *bfad)
1324 if (bfad->bfad_flags & BFAD_MSIX_ON) {
1325 for (i = 0; i < bfad->nvec; i++)
1326 free_irq(bfad->msix_tab[i].msix.vector,
1327 &bfad->msix_tab[i]);
1329 pci_disable_msix(bfad->pcidev);
1330 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1332 free_irq(bfad->pcidev->irq, bfad);
1340 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1342 struct bfad_s *bfad;
1343 int error = -ENODEV, retval;
1345 /* For single port cards - only claim function 0 */
1346 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1347 (PCI_FUNC(pdev->devfn) != 0))
1350 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1356 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1357 if (!bfad->trcmod) {
1358 printk(KERN_WARNING "Error alloc trace buffer!\n");
1360 goto out_alloc_trace_failure;
1364 bfa_trc_init(bfad->trcmod);
1365 bfa_trc(bfad, bfad_inst);
1367 if (!(bfad_load_fwimg(pdev))) {
1368 kfree(bfad->trcmod);
1369 goto out_alloc_trace_failure;
1372 retval = bfad_pci_init(pdev, bfad);
1374 printk(KERN_WARNING "bfad_pci_init failure!\n");
1376 goto out_pci_init_failure;
1379 mutex_lock(&bfad_mutex);
1380 bfad->inst_no = bfad_inst++;
1381 list_add_tail(&bfad->list_entry, &bfad_list);
1382 mutex_unlock(&bfad_mutex);
1384 /* Initializing the state machine: State set to uninit */
1385 bfa_sm_set_state(bfad, bfad_sm_uninit);
1387 spin_lock_init(&bfad->bfad_lock);
1388 pci_set_drvdata(pdev, bfad);
1390 bfad->ref_count = 0;
1391 bfad->pport.bfad = bfad;
1392 INIT_LIST_HEAD(&bfad->pbc_vport_list);
1394 retval = bfad_drv_init(bfad);
1395 if (retval != BFA_STATUS_OK)
1396 goto out_drv_init_failure;
1398 bfa_sm_send_event(bfad, BFAD_E_CREATE);
1400 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1401 goto out_bfad_sm_failure;
1405 out_bfad_sm_failure:
1406 bfa_detach(&bfad->bfa);
1407 bfad_hal_mem_release(bfad);
1408 out_drv_init_failure:
1409 mutex_lock(&bfad_mutex);
1411 list_del(&bfad->list_entry);
1412 mutex_unlock(&bfad_mutex);
1413 bfad_pci_uninit(pdev, bfad);
1414 out_pci_init_failure:
1415 kfree(bfad->trcmod);
1416 out_alloc_trace_failure:
1426 bfad_pci_remove(struct pci_dev *pdev)
1428 struct bfad_s *bfad = pci_get_drvdata(pdev);
1429 unsigned long flags;
1431 bfa_trc(bfad, bfad->inst_no);
1433 spin_lock_irqsave(&bfad->bfad_lock, flags);
1434 if (bfad->bfad_tsk != NULL) {
1435 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1436 kthread_stop(bfad->bfad_tsk);
1438 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1441 /* Send Event BFAD_E_STOP */
1442 bfa_sm_send_event(bfad, BFAD_E_STOP);
1444 /* Driver detach and dealloc mem */
1445 spin_lock_irqsave(&bfad->bfad_lock, flags);
1446 bfa_detach(&bfad->bfa);
1447 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1448 bfad_hal_mem_release(bfad);
1450 /* Cleaning the BFAD instance */
1451 mutex_lock(&bfad_mutex);
1453 list_del(&bfad->list_entry);
1454 mutex_unlock(&bfad_mutex);
1455 bfad_pci_uninit(pdev, bfad);
1457 kfree(bfad->trcmod);
1461 struct pci_device_id bfad_id_table[] = {
1463 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1464 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1465 .subvendor = PCI_ANY_ID,
1466 .subdevice = PCI_ANY_ID,
1469 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1470 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1471 .subvendor = PCI_ANY_ID,
1472 .subdevice = PCI_ANY_ID,
1475 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1476 .device = BFA_PCI_DEVICE_ID_CT,
1477 .subvendor = PCI_ANY_ID,
1478 .subdevice = PCI_ANY_ID,
1479 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1483 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1484 .device = BFA_PCI_DEVICE_ID_CT_FC,
1485 .subvendor = PCI_ANY_ID,
1486 .subdevice = PCI_ANY_ID,
1487 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1494 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1496 static struct pci_driver bfad_pci_driver = {
1497 .name = BFAD_DRIVER_NAME,
1498 .id_table = bfad_id_table,
1499 .probe = bfad_pci_probe,
1500 .remove = __devexit_p(bfad_pci_remove),
1504 * Driver module init.
1511 printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n",
1512 BFAD_DRIVER_VERSION);
1515 num_sgpgs_parm = num_sgpgs;
1517 error = bfad_im_module_init();
1520 printk(KERN_WARNING "bfad_im_module_init failure\n");
1524 if (strcmp(FCPI_NAME, " fcpim") == 0)
1525 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1527 bfa_ioc_auto_recover(ioc_auto_recover);
1528 bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1530 error = pci_register_driver(&bfad_pci_driver);
1532 printk(KERN_WARNING "pci_register_driver failure\n");
1539 bfad_im_module_exit();
1544 * Driver module exit.
1549 pci_unregister_driver(&bfad_pci_driver);
1550 bfad_im_module_exit();
1554 /* Firmware handling */
1556 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1557 u32 *bfi_image_size, char *fw_name)
1559 const struct firmware *fw;
1561 if (request_firmware(&fw, fw_name, &pdev->dev)) {
1562 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1566 *bfi_image = vmalloc(fw->size);
1567 if (NULL == *bfi_image) {
1568 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1569 "size=%x!\n", (u32) fw->size);
1573 memcpy(*bfi_image, fw->data, fw->size);
1574 *bfi_image_size = fw->size/sizeof(u32);
1583 bfad_get_firmware_buf(struct pci_dev *pdev)
1585 if (pdev->device == BFA_PCI_DEVICE_ID_CT_FC) {
1586 if (bfi_image_ct_fc_size == 0)
1587 bfad_read_firmware(pdev, &bfi_image_ct_fc,
1588 &bfi_image_ct_fc_size, BFAD_FW_FILE_CT_FC);
1589 return bfi_image_ct_fc;
1590 } else if (pdev->device == BFA_PCI_DEVICE_ID_CT) {
1591 if (bfi_image_ct_cna_size == 0)
1592 bfad_read_firmware(pdev, &bfi_image_ct_cna,
1593 &bfi_image_ct_cna_size, BFAD_FW_FILE_CT_CNA);
1594 return bfi_image_ct_cna;
1596 if (bfi_image_cb_fc_size == 0)
1597 bfad_read_firmware(pdev, &bfi_image_cb_fc,
1598 &bfi_image_cb_fc_size, BFAD_FW_FILE_CB_FC);
1599 return bfi_image_cb_fc;
1603 module_init(bfad_init);
1604 module_exit(bfad_exit);
1605 MODULE_LICENSE("GPL");
1606 MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1607 MODULE_AUTHOR("Brocade Communications Systems, Inc.");
1608 MODULE_VERSION(BFAD_DRIVER_VERSION);