1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
4 * Copyright (c) 2014- QLogic Corporation.
8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
12 * bfad.c Linux driver PCI interface module.
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>
20 #include <linux/pci.h>
21 #include <linux/firmware.h>
22 #include <linux/uaccess.h>
23 #include <asm/fcntl.h>
31 BFA_TRC_FILE(LDRV, BFAD);
32 DEFINE_MUTEX(bfad_mutex);
36 static int num_sgpgs_parm;
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;
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;
59 #define BFAD_FW_FILE_CB "/*(DEBLOBBED)*/"
60 #define BFAD_FW_FILE_CT "/*(DEBLOBBED)*/"
61 #define BFAD_FW_FILE_CT2 "/*(DEBLOBBED)*/"
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);
68 static const char *msix_name_ct[] = {
70 "cpe0", "cpe1", "cpe2", "cpe3",
71 "rme0", "rme1", "rme2", "rme3" };
73 static const char *msix_name_cb[] = {
74 "cpe0", "cpe1", "cpe2", "cpe3",
75 "rme0", "rme1", "rme2", "rme3",
76 "eemc", "elpu0", "elpu1", "epss", "mlpu" };
80 module_param(os_name, charp, S_IRUGO | S_IWUSR);
81 MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
82 module_param(os_patch, charp, S_IRUGO | S_IWUSR);
83 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
84 module_param(host_name, charp, S_IRUGO | S_IWUSR);
85 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
86 module_param(num_rports, int, S_IRUGO | S_IWUSR);
87 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
88 "(physical/logical), default=1024");
89 module_param(num_ios, int, S_IRUGO | S_IWUSR);
90 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
91 module_param(num_tms, int, S_IRUGO | S_IWUSR);
92 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
93 module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
94 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
95 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
96 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
97 "buffers, default=64");
98 module_param(reqq_size, int, S_IRUGO | S_IWUSR);
99 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
101 module_param(rspq_size, int, S_IRUGO | S_IWUSR);
102 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
104 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
105 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
106 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
107 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
109 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
110 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
111 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
112 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
113 module_param(bfa_log_level, int, S_IRUGO | S_IWUSR);
114 MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, "
115 "Range[Critical:1|Error:2|Warning:3|Info:4]");
116 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
117 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
118 "Range[off:0|on:1]");
119 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
120 MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for "
121 "boot port. Otherwise 10 secs in RHEL4 & 0 for "
122 "[RHEL5, SLES10, ESX40] Range[>0]");
123 module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
124 MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts for QLogic-415/425/815/825 cards, default=0 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 if possible for QLogic-1010/1020/804/1007/902/1741 cards, default=0, Range[false:0|true:1]");
127 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
128 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, "
129 "Range[false:0|true:1]");
130 module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR);
131 MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 "
132 "(use system setting), Range[128|256|512|1024|2048|4096]");
133 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
134 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
135 " Range[false:0|true:1]");
136 module_param(max_xfer_size, int, S_IRUGO | S_IWUSR);
137 MODULE_PARM_DESC(max_xfer_size, "default=32MB,"
138 " Range[64k|128k|256k|512k|1024k|2048k]");
139 module_param(max_rport_logins, int, S_IRUGO | S_IWUSR);
140 MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024");
143 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
145 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
147 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
149 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
151 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
153 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
155 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event);
158 * Beginning state for the driver instance, awaiting the pci_probe event
161 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event)
163 bfa_trc(bfad, event);
167 bfa_sm_set_state(bfad, bfad_sm_created);
168 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad,
169 "%s", "bfad_worker");
170 if (IS_ERR(bfad->bfad_tsk)) {
171 printk(KERN_INFO "bfad[%d]: Kernel thread "
172 "creation failed!\n", bfad->inst_no);
173 bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED);
175 bfa_sm_send_event(bfad, BFAD_E_INIT);
179 /* Ignore stop; already in uninit */
183 bfa_sm_fault(bfad, event);
188 * Driver Instance is created, awaiting event INIT to initialize the bfad
191 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
196 bfa_trc(bfad, event);
200 bfa_sm_set_state(bfad, bfad_sm_initializing);
202 init_completion(&bfad->comp);
204 /* Enable Interrupt and wait bfa_init completion */
205 if (bfad_setup_intr(bfad)) {
206 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
208 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
212 spin_lock_irqsave(&bfad->bfad_lock, flags);
213 bfa_iocfc_init(&bfad->bfa);
214 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
216 /* Set up interrupt handler for each vectors */
217 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
218 bfad_install_msix_handler(bfad)) {
219 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
220 __func__, bfad->inst_no);
223 bfad_init_timer(bfad);
225 wait_for_completion(&bfad->comp);
227 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
228 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
231 "bfa %s: bfa init failed\n",
233 spin_lock_irqsave(&bfad->bfad_lock, flags);
234 bfa_fcs_init(&bfad->bfa_fcs);
235 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
237 ret = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
238 if (ret != BFA_STATUS_OK) {
239 init_completion(&bfad->comp);
241 spin_lock_irqsave(&bfad->bfad_lock, flags);
242 bfad->pport.flags |= BFAD_PORT_DELETE;
243 bfa_fcs_exit(&bfad->bfa_fcs);
244 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
246 wait_for_completion(&bfad->comp);
248 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
251 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
252 bfa_sm_send_event(bfad, BFAD_E_HAL_INIT_FAILED);
257 case BFAD_E_KTHREAD_CREATE_FAILED:
258 bfa_sm_set_state(bfad, bfad_sm_uninit);
262 bfa_sm_fault(bfad, event);
267 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event)
272 bfa_trc(bfad, event);
275 case BFAD_E_INIT_SUCCESS:
276 kthread_stop(bfad->bfad_tsk);
277 spin_lock_irqsave(&bfad->bfad_lock, flags);
278 bfad->bfad_tsk = NULL;
279 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
281 retval = bfad_start_ops(bfad);
282 if (retval != BFA_STATUS_OK) {
283 bfa_sm_set_state(bfad, bfad_sm_failed);
286 bfa_sm_set_state(bfad, bfad_sm_operational);
289 case BFAD_E_INIT_FAILED:
290 bfa_sm_set_state(bfad, bfad_sm_uninit);
291 kthread_stop(bfad->bfad_tsk);
292 spin_lock_irqsave(&bfad->bfad_lock, flags);
293 bfad->bfad_tsk = NULL;
294 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
297 case BFAD_E_HAL_INIT_FAILED:
298 bfa_sm_set_state(bfad, bfad_sm_failed);
301 bfa_sm_fault(bfad, event);
306 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event)
310 bfa_trc(bfad, event);
313 case BFAD_E_INIT_SUCCESS:
314 retval = bfad_start_ops(bfad);
315 if (retval != BFA_STATUS_OK)
317 bfa_sm_set_state(bfad, bfad_sm_operational);
321 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
322 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
325 case BFAD_E_EXIT_COMP:
326 bfa_sm_set_state(bfad, bfad_sm_uninit);
327 bfad_remove_intr(bfad);
328 del_timer_sync(&bfad->hal_tmo);
332 bfa_sm_fault(bfad, event);
337 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event)
339 bfa_trc(bfad, event);
343 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
348 bfa_sm_fault(bfad, event);
353 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event)
355 bfa_trc(bfad, event);
358 case BFAD_E_FCS_EXIT_COMP:
359 bfa_sm_set_state(bfad, bfad_sm_stopping);
364 bfa_sm_fault(bfad, event);
369 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event)
371 bfa_trc(bfad, event);
374 case BFAD_E_EXIT_COMP:
375 bfa_sm_set_state(bfad, bfad_sm_uninit);
376 bfad_remove_intr(bfad);
377 del_timer_sync(&bfad->hal_tmo);
378 bfad_im_probe_undo(bfad);
379 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
380 bfad_uncfg_pport(bfad);
384 bfa_sm_fault(bfad, event);
393 bfad_hcb_comp(void *arg, bfa_status_t status)
395 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
397 fcomp->status = status;
398 complete(&fcomp->comp);
405 bfa_cb_init(void *drv, bfa_status_t init_status)
407 struct bfad_s *bfad = drv;
409 if (init_status == BFA_STATUS_OK) {
410 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
413 * If BFAD_HAL_INIT_FAIL flag is set:
414 * Wake up the kernel thread to start
415 * the bfad operations after HAL init done
417 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
418 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
419 wake_up_process(bfad->bfad_tsk);
423 complete(&bfad->comp);
430 bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port,
431 enum bfa_lport_role roles, struct bfad_vf_s *vf_drv,
432 struct bfad_vport_s *vp_drv)
435 struct bfad_port_s *port_drv;
437 if (!vp_drv && !vf_drv) {
438 port_drv = &bfad->pport;
439 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
440 } else if (!vp_drv && vf_drv) {
441 port_drv = &vf_drv->base_port;
442 port_drv->pvb_type = BFAD_PORT_VF_BASE;
443 } else if (vp_drv && !vf_drv) {
444 port_drv = &vp_drv->drv_port;
445 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
447 port_drv = &vp_drv->drv_port;
448 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
451 port_drv->fcs_port = port;
452 port_drv->roles = roles;
454 if (roles & BFA_LPORT_ROLE_FCP_IM) {
455 rc = bfad_im_port_new(bfad, port_drv);
456 if (rc != BFA_STATUS_OK) {
457 bfad_im_port_delete(bfad, port_drv);
466 * FCS RPORT alloc callback, after successful PLOGI by FCS
469 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
470 struct bfad_rport_s **rport_drv)
472 bfa_status_t rc = BFA_STATUS_OK;
474 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
475 if (*rport_drv == NULL) {
476 rc = BFA_STATUS_ENOMEM;
480 *rport = &(*rport_drv)->fcs_rport;
487 * FCS PBC VPORT Create
490 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
493 struct bfa_lport_cfg_s port_cfg = {0};
494 struct bfad_vport_s *vport;
497 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_ATOMIC);
503 vport->drv_port.bfad = bfad;
504 port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
505 port_cfg.pwwn = pbc_vport.vp_pwwn;
506 port_cfg.nwwn = pbc_vport.vp_nwwn;
507 port_cfg.preboot_vp = BFA_TRUE;
509 rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0,
512 if (rc != BFA_STATUS_OK) {
517 list_add_tail(&vport->list_entry, &bfad->pbc_vport_list);
521 bfad_hal_mem_release(struct bfad_s *bfad)
523 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
524 struct bfa_mem_dma_s *dma_info, *dma_elem;
525 struct bfa_mem_kva_s *kva_info, *kva_elem;
526 struct list_head *dm_qe, *km_qe;
528 dma_info = &hal_meminfo->dma_info;
529 kva_info = &hal_meminfo->kva_info;
531 /* Iterate through the KVA meminfo queue */
532 list_for_each(km_qe, &kva_info->qe) {
533 kva_elem = (struct bfa_mem_kva_s *) km_qe;
534 vfree(kva_elem->kva);
537 /* Iterate through the DMA meminfo queue */
538 list_for_each(dm_qe, &dma_info->qe) {
539 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
540 dma_free_coherent(&bfad->pcidev->dev,
541 dma_elem->mem_len, dma_elem->kva,
542 (dma_addr_t) dma_elem->dma);
545 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
549 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
552 bfa_cfg->fwcfg.num_rports = num_rports;
554 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
556 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
557 if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX)
558 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
559 if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX)
560 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
562 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
564 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
565 if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX)
566 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
569 * populate the hal values back to the driver for sysfs use.
570 * otherwise, the default values will be shown as 0 in sysfs
572 num_rports = bfa_cfg->fwcfg.num_rports;
573 num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
574 num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
575 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
576 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
577 reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
578 rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
579 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
583 bfad_hal_mem_alloc(struct bfad_s *bfad)
585 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
586 struct bfa_mem_dma_s *dma_info, *dma_elem;
587 struct bfa_mem_kva_s *kva_info, *kva_elem;
588 struct list_head *dm_qe, *km_qe;
589 bfa_status_t rc = BFA_STATUS_OK;
590 dma_addr_t phys_addr;
592 bfa_cfg_get_default(&bfad->ioc_cfg);
593 bfad_update_hal_cfg(&bfad->ioc_cfg);
594 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
595 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa);
597 dma_info = &hal_meminfo->dma_info;
598 kva_info = &hal_meminfo->kva_info;
600 /* Iterate through the KVA meminfo queue */
601 list_for_each(km_qe, &kva_info->qe) {
602 kva_elem = (struct bfa_mem_kva_s *) km_qe;
603 kva_elem->kva = vzalloc(kva_elem->mem_len);
604 if (kva_elem->kva == NULL) {
605 bfad_hal_mem_release(bfad);
606 rc = BFA_STATUS_ENOMEM;
611 /* Iterate through the DMA meminfo queue */
612 list_for_each(dm_qe, &dma_info->qe) {
613 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
614 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev,
616 &phys_addr, GFP_KERNEL);
617 if (dma_elem->kva == NULL) {
618 bfad_hal_mem_release(bfad);
619 rc = BFA_STATUS_ENOMEM;
622 dma_elem->dma = phys_addr;
623 memset(dma_elem->kva, 0, dma_elem->mem_len);
630 * Create a vport under a vf.
633 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
634 struct bfa_lport_cfg_s *port_cfg, struct device *dev)
636 struct bfad_vport_s *vport;
637 int rc = BFA_STATUS_OK;
639 struct completion fcomp;
641 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
643 rc = BFA_STATUS_ENOMEM;
647 vport->drv_port.bfad = bfad;
648 spin_lock_irqsave(&bfad->bfad_lock, flags);
649 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
651 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
653 if (rc != BFA_STATUS_OK)
656 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) {
657 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
659 if (rc != BFA_STATUS_OK)
660 goto ext_free_fcs_vport;
663 spin_lock_irqsave(&bfad->bfad_lock, flags);
664 bfa_fcs_vport_start(&vport->fcs_vport);
665 list_add_tail(&vport->list_entry, &bfad->vport_list);
666 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
668 return BFA_STATUS_OK;
671 spin_lock_irqsave(&bfad->bfad_lock, flags);
672 vport->comp_del = &fcomp;
673 init_completion(vport->comp_del);
674 bfa_fcs_vport_delete(&vport->fcs_vport);
675 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
676 wait_for_completion(vport->comp_del);
684 bfad_bfa_tmo(struct timer_list *t)
686 struct bfad_s *bfad = from_timer(bfad, t, hal_tmo);
688 struct list_head doneq;
690 spin_lock_irqsave(&bfad->bfad_lock, flags);
692 bfa_timer_beat(&bfad->bfa.timer_mod);
694 bfa_comp_deq(&bfad->bfa, &doneq);
695 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
697 if (!list_empty(&doneq)) {
698 bfa_comp_process(&bfad->bfa, &doneq);
699 spin_lock_irqsave(&bfad->bfad_lock, flags);
700 bfa_comp_free(&bfad->bfa, &doneq);
701 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
704 mod_timer(&bfad->hal_tmo,
705 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
709 bfad_init_timer(struct bfad_s *bfad)
711 timer_setup(&bfad->hal_tmo, bfad_bfa_tmo, 0);
713 mod_timer(&bfad->hal_tmo,
714 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
718 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
722 if (pci_enable_device(pdev)) {
723 printk(KERN_ERR "pci_enable_device fail %p\n", pdev);
727 if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
728 goto out_disable_device;
730 pci_set_master(pdev);
732 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
734 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
738 printk(KERN_ERR "dma_set_mask_and_coherent fail %p\n", pdev);
739 goto out_release_region;
742 /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */
743 pci_enable_pcie_error_reporting(pdev);
745 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
746 bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
748 if (bfad->pci_bar0_kva == NULL) {
749 printk(KERN_ERR "Fail to map bar0\n");
751 goto out_release_region;
754 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
755 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
756 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
757 bfad->hal_pcidev.device_id = pdev->device;
758 bfad->hal_pcidev.ssid = pdev->subsystem_device;
759 bfad->pci_name = pci_name(pdev);
761 bfad->pci_attr.vendor_id = pdev->vendor;
762 bfad->pci_attr.device_id = pdev->device;
763 bfad->pci_attr.ssid = pdev->subsystem_device;
764 bfad->pci_attr.ssvid = pdev->subsystem_vendor;
765 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
769 /* Adjust PCIe Maximum Read Request Size */
770 if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
771 if (pcie_max_read_reqsz >= 128 &&
772 pcie_max_read_reqsz <= 4096 &&
773 is_power_of_2(pcie_max_read_reqsz)) {
774 int max_rq = pcie_get_readrq(pdev);
775 printk(KERN_WARNING "BFA[%s]: "
776 "pcie_max_read_request_size is %d, "
777 "reset to %d\n", bfad->pci_name, max_rq,
778 pcie_max_read_reqsz);
779 pcie_set_readrq(pdev, pcie_max_read_reqsz);
781 printk(KERN_WARNING "BFA[%s]: invalid "
782 "pcie_max_read_request_size %d ignored\n",
783 bfad->pci_name, pcie_max_read_reqsz);
787 pci_save_state(pdev);
792 pci_release_regions(pdev);
794 pci_disable_device(pdev);
800 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
802 pci_iounmap(pdev, bfad->pci_bar0_kva);
803 pci_iounmap(pdev, bfad->pci_bar2_kva);
804 pci_release_regions(pdev);
805 /* Disable PCIE Advanced Error Recovery (AER) */
806 pci_disable_pcie_error_reporting(pdev);
807 pci_disable_device(pdev);
811 bfad_drv_init(struct bfad_s *bfad)
816 bfad->cfg_data.rport_del_timeout = rport_del_timeout;
817 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
818 bfad->cfg_data.io_max_sge = bfa_io_max_sge;
819 bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
821 rc = bfad_hal_mem_alloc(bfad);
822 if (rc != BFA_STATUS_OK) {
823 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
826 "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n");
827 return BFA_STATUS_FAILED;
830 bfad->bfa.trcmod = bfad->trcmod;
831 bfad->bfa.plog = &bfad->plog_buf;
832 bfa_plog_init(&bfad->plog_buf);
833 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
836 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
840 spin_lock_irqsave(&bfad->bfad_lock, flags);
841 bfad->bfa_fcs.trcmod = bfad->trcmod;
842 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
843 bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
844 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
846 bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
848 return BFA_STATUS_OK;
852 bfad_drv_uninit(struct bfad_s *bfad)
856 spin_lock_irqsave(&bfad->bfad_lock, flags);
857 init_completion(&bfad->comp);
858 bfa_iocfc_stop(&bfad->bfa);
859 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
860 wait_for_completion(&bfad->comp);
862 del_timer_sync(&bfad->hal_tmo);
863 bfa_isr_disable(&bfad->bfa);
864 bfa_detach(&bfad->bfa);
865 bfad_remove_intr(bfad);
866 bfad_hal_mem_release(bfad);
868 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
872 bfad_drv_start(struct bfad_s *bfad)
876 spin_lock_irqsave(&bfad->bfad_lock, flags);
877 bfa_iocfc_start(&bfad->bfa);
878 bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
879 bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
880 bfad->bfad_flags |= BFAD_HAL_START_DONE;
881 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
884 flush_workqueue(bfad->im->drv_workq);
888 bfad_fcs_stop(struct bfad_s *bfad)
892 spin_lock_irqsave(&bfad->bfad_lock, flags);
893 init_completion(&bfad->comp);
894 bfad->pport.flags |= BFAD_PORT_DELETE;
895 bfa_fcs_exit(&bfad->bfa_fcs);
896 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
897 wait_for_completion(&bfad->comp);
899 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
903 bfad_stop(struct bfad_s *bfad)
907 spin_lock_irqsave(&bfad->bfad_lock, flags);
908 init_completion(&bfad->comp);
909 bfa_iocfc_stop(&bfad->bfa);
910 bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
911 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
912 wait_for_completion(&bfad->comp);
914 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
918 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
920 int rc = BFA_STATUS_OK;
922 /* Allocate scsi_host for the physical port */
923 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
924 (role & BFA_LPORT_ROLE_FCP_IM)) {
925 if (bfad->pport.im_port == NULL) {
926 rc = BFA_STATUS_FAILED;
930 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
932 if (rc != BFA_STATUS_OK)
935 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
938 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
945 bfad_uncfg_pport(struct bfad_s *bfad)
947 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
948 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
949 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
950 bfad_im_port_clean(bfad->pport.im_port);
951 kfree(bfad->pport.im_port);
952 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
955 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
959 bfad_start_ops(struct bfad_s *bfad) {
963 struct bfad_vport_s *vport, *vport_new;
964 struct bfa_fcs_driver_info_s driver_info;
966 /* Limit min/max. xfer size to [64k-32MB] */
967 if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
968 max_xfer_size = BFAD_MIN_SECTORS >> 1;
969 if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
970 max_xfer_size = BFAD_MAX_SECTORS >> 1;
972 /* Fill the driver_info info to fcs*/
973 memset(&driver_info, 0, sizeof(driver_info));
974 strlcpy(driver_info.version, BFAD_DRIVER_VERSION,
975 sizeof(driver_info.version));
977 strlcpy(driver_info.host_machine_name, host_name,
978 sizeof(driver_info.host_machine_name));
980 strlcpy(driver_info.host_os_name, os_name,
981 sizeof(driver_info.host_os_name));
983 strlcpy(driver_info.host_os_patch, os_patch,
984 sizeof(driver_info.host_os_patch));
986 strlcpy(driver_info.os_device_name, bfad->pci_name,
987 sizeof(driver_info.os_device_name));
989 /* FCS driver info init */
990 spin_lock_irqsave(&bfad->bfad_lock, flags);
991 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
993 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
994 bfa_fcs_update_cfg(&bfad->bfa_fcs);
996 bfa_fcs_init(&bfad->bfa_fcs);
998 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1000 if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) {
1001 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
1002 if (retval != BFA_STATUS_OK)
1003 return BFA_STATUS_FAILED;
1006 /* Setup fc host fixed attribute if the lk supports */
1007 bfad_fc_host_init(bfad->pport.im_port);
1009 /* BFAD level FC4 IM specific resource allocation */
1010 retval = bfad_im_probe(bfad);
1011 if (retval != BFA_STATUS_OK) {
1012 printk(KERN_WARNING "bfad_im_probe failed\n");
1013 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1014 bfa_sm_set_state(bfad, bfad_sm_failed);
1015 return BFA_STATUS_FAILED;
1017 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1019 bfad_drv_start(bfad);
1021 /* Complete pbc vport create */
1022 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1024 struct fc_vport_identifiers vid;
1025 struct fc_vport *fc_vport;
1026 char pwwn_buf[BFA_STRING_32];
1028 memset(&vid, 0, sizeof(vid));
1029 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1030 vid.vport_type = FC_PORTTYPE_NPIV;
1031 vid.disable = false;
1032 vid.node_name = wwn_to_u64((u8 *)
1033 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1034 vid.port_name = wwn_to_u64((u8 *)
1035 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1036 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1038 wwn2str(pwwn_buf, vid.port_name);
1039 printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1040 " %s\n", bfad->inst_no, pwwn_buf);
1042 list_del(&vport->list_entry);
1047 * If bfa_linkup_delay is set to -1 default; try to retrive the
1048 * value using the bfad_get_linkup_delay(); else use the
1049 * passed in module param value as the bfa_linkup_delay.
1051 if (bfa_linkup_delay < 0) {
1052 bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1053 bfad_rport_online_wait(bfad);
1054 bfa_linkup_delay = -1;
1056 bfad_rport_online_wait(bfad);
1058 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
1060 return BFA_STATUS_OK;
1064 bfad_worker(void *ptr)
1066 struct bfad_s *bfad = ptr;
1067 unsigned long flags;
1069 if (kthread_should_stop())
1072 /* Send event BFAD_E_INIT_SUCCESS */
1073 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1075 spin_lock_irqsave(&bfad->bfad_lock, flags);
1076 bfad->bfad_tsk = NULL;
1077 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1083 * BFA driver interrupt functions
1086 bfad_intx(int irq, void *dev_id)
1088 struct bfad_s *bfad = dev_id;
1089 struct list_head doneq;
1090 unsigned long flags;
1093 spin_lock_irqsave(&bfad->bfad_lock, flags);
1094 rc = bfa_intx(&bfad->bfa);
1096 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1100 bfa_comp_deq(&bfad->bfa, &doneq);
1101 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1103 if (!list_empty(&doneq)) {
1104 bfa_comp_process(&bfad->bfa, &doneq);
1106 spin_lock_irqsave(&bfad->bfad_lock, flags);
1107 bfa_comp_free(&bfad->bfa, &doneq);
1108 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1116 bfad_msix(int irq, void *dev_id)
1118 struct bfad_msix_s *vec = dev_id;
1119 struct bfad_s *bfad = vec->bfad;
1120 struct list_head doneq;
1121 unsigned long flags;
1123 spin_lock_irqsave(&bfad->bfad_lock, flags);
1125 bfa_msix(&bfad->bfa, vec->msix.entry);
1126 bfa_comp_deq(&bfad->bfa, &doneq);
1127 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1129 if (!list_empty(&doneq)) {
1130 bfa_comp_process(&bfad->bfa, &doneq);
1132 spin_lock_irqsave(&bfad->bfad_lock, flags);
1133 bfa_comp_free(&bfad->bfa, &doneq);
1134 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1141 * Initialize the MSIX entry table.
1144 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1145 int mask, int max_bit)
1148 int match = 0x00000001;
1150 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1152 bfad->msix_tab[bfad->nvec].msix.entry = i;
1153 bfad->msix_tab[bfad->nvec].bfad = bfad;
1154 msix_entries[bfad->nvec].entry = i;
1164 bfad_install_msix_handler(struct bfad_s *bfad)
1168 for (i = 0; i < bfad->nvec; i++) {
1169 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1171 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1172 msix_name_cb[i] : msix_name_ct[i]));
1174 error = request_irq(bfad->msix_tab[i].msix.vector,
1175 (irq_handler_t) bfad_msix, 0,
1176 bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1178 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1182 for (j = 0; j < i; j++)
1183 free_irq(bfad->msix_tab[j].msix.vector,
1184 &bfad->msix_tab[j]);
1186 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1187 pci_disable_msix(bfad->pcidev);
1197 * Setup MSIX based interrupt.
1200 bfad_setup_intr(struct bfad_s *bfad)
1203 u32 mask = 0, i, num_bit = 0, max_bit = 0;
1204 struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1205 struct pci_dev *pdev = bfad->pcidev;
1208 /* Call BFA to get the msix map for this PCI function. */
1209 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1211 /* Set up the msix entry table */
1212 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1214 if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1215 (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
1217 error = pci_enable_msix_exact(bfad->pcidev,
1218 msix_entries, bfad->nvec);
1219 /* In CT1 & CT2, try to allocate just one vector */
1220 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
1221 printk(KERN_WARNING "bfa %s: trying one msix "
1222 "vector failed to allocate %d[%d]\n",
1223 bfad->pci_name, bfad->nvec, error);
1225 error = pci_enable_msix_exact(bfad->pcidev,
1230 printk(KERN_WARNING "bfad%d: "
1231 "pci_enable_msix_exact failed (%d), "
1232 "use line based.\n",
1233 bfad->inst_no, error);
1237 /* Disable INTX in MSI-X mode */
1238 pci_read_config_word(pdev, PCI_COMMAND, ®);
1240 if (!(reg & PCI_COMMAND_INTX_DISABLE))
1241 pci_write_config_word(pdev, PCI_COMMAND,
1242 reg | PCI_COMMAND_INTX_DISABLE);
1244 /* Save the vectors */
1245 for (i = 0; i < bfad->nvec; i++) {
1246 bfa_trc(bfad, msix_entries[i].vector);
1247 bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1250 bfa_msix_init(&bfad->bfa, bfad->nvec);
1252 bfad->bfad_flags |= BFAD_MSIX_ON;
1258 error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx,
1259 BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad);
1263 bfad->bfad_flags |= BFAD_INTX_ON;
1269 bfad_remove_intr(struct bfad_s *bfad)
1273 if (bfad->bfad_flags & BFAD_MSIX_ON) {
1274 for (i = 0; i < bfad->nvec; i++)
1275 free_irq(bfad->msix_tab[i].msix.vector,
1276 &bfad->msix_tab[i]);
1278 pci_disable_msix(bfad->pcidev);
1279 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1280 } else if (bfad->bfad_flags & BFAD_INTX_ON) {
1281 free_irq(bfad->pcidev->irq, bfad);
1289 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1291 struct bfad_s *bfad;
1292 int error = -ENODEV, retval, i;
1294 /* For single port cards - only claim function 0 */
1295 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1296 (PCI_FUNC(pdev->devfn) != 0))
1299 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1305 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1306 if (!bfad->trcmod) {
1307 printk(KERN_WARNING "Error alloc trace buffer!\n");
1309 goto out_alloc_trace_failure;
1313 bfa_trc_init(bfad->trcmod);
1314 bfa_trc(bfad, bfad_inst);
1317 INIT_LIST_HEAD(&bfad->free_aen_q);
1318 INIT_LIST_HEAD(&bfad->active_aen_q);
1319 for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1320 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1322 if (!(bfad_load_fwimg(pdev))) {
1323 kfree(bfad->trcmod);
1324 goto out_alloc_trace_failure;
1327 retval = bfad_pci_init(pdev, bfad);
1329 printk(KERN_WARNING "bfad_pci_init failure!\n");
1331 goto out_pci_init_failure;
1334 mutex_lock(&bfad_mutex);
1335 bfad->inst_no = bfad_inst++;
1336 list_add_tail(&bfad->list_entry, &bfad_list);
1337 mutex_unlock(&bfad_mutex);
1339 /* Initializing the state machine: State set to uninit */
1340 bfa_sm_set_state(bfad, bfad_sm_uninit);
1342 spin_lock_init(&bfad->bfad_lock);
1343 spin_lock_init(&bfad->bfad_aen_spinlock);
1345 pci_set_drvdata(pdev, bfad);
1347 bfad->ref_count = 0;
1348 bfad->pport.bfad = bfad;
1349 INIT_LIST_HEAD(&bfad->pbc_vport_list);
1350 INIT_LIST_HEAD(&bfad->vport_list);
1352 /* Setup the debugfs node for this bfad */
1353 if (bfa_debugfs_enable)
1354 bfad_debugfs_init(&bfad->pport);
1356 retval = bfad_drv_init(bfad);
1357 if (retval != BFA_STATUS_OK)
1358 goto out_drv_init_failure;
1360 bfa_sm_send_event(bfad, BFAD_E_CREATE);
1362 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1363 goto out_bfad_sm_failure;
1367 out_bfad_sm_failure:
1368 bfad_hal_mem_release(bfad);
1369 out_drv_init_failure:
1370 /* Remove the debugfs node for this bfad */
1371 kfree(bfad->regdata);
1372 bfad_debugfs_exit(&bfad->pport);
1373 mutex_lock(&bfad_mutex);
1375 list_del(&bfad->list_entry);
1376 mutex_unlock(&bfad_mutex);
1377 bfad_pci_uninit(pdev, bfad);
1378 out_pci_init_failure:
1379 kfree(bfad->trcmod);
1380 out_alloc_trace_failure:
1390 bfad_pci_remove(struct pci_dev *pdev)
1392 struct bfad_s *bfad = pci_get_drvdata(pdev);
1393 unsigned long flags;
1395 bfa_trc(bfad, bfad->inst_no);
1397 spin_lock_irqsave(&bfad->bfad_lock, flags);
1398 if (bfad->bfad_tsk != NULL) {
1399 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1400 kthread_stop(bfad->bfad_tsk);
1402 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1405 /* Send Event BFAD_E_STOP */
1406 bfa_sm_send_event(bfad, BFAD_E_STOP);
1408 /* Driver detach and dealloc mem */
1409 spin_lock_irqsave(&bfad->bfad_lock, flags);
1410 bfa_detach(&bfad->bfa);
1411 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1412 bfad_hal_mem_release(bfad);
1414 /* Remove the debugfs node for this bfad */
1415 kfree(bfad->regdata);
1416 bfad_debugfs_exit(&bfad->pport);
1418 /* Cleaning the BFAD instance */
1419 mutex_lock(&bfad_mutex);
1421 list_del(&bfad->list_entry);
1422 mutex_unlock(&bfad_mutex);
1423 bfad_pci_uninit(pdev, bfad);
1425 kfree(bfad->trcmod);
1430 * PCI Error Recovery entry, error detected.
1432 static pci_ers_result_t
1433 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1435 struct bfad_s *bfad = pci_get_drvdata(pdev);
1436 unsigned long flags;
1437 pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1439 dev_printk(KERN_ERR, &pdev->dev,
1440 "error detected state: %d - flags: 0x%x\n",
1441 state, bfad->bfad_flags);
1444 case pci_channel_io_normal: /* non-fatal error */
1445 spin_lock_irqsave(&bfad->bfad_lock, flags);
1446 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1447 /* Suspend/fail all bfa operations */
1448 bfa_ioc_suspend(&bfad->bfa.ioc);
1449 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1450 del_timer_sync(&bfad->hal_tmo);
1451 ret = PCI_ERS_RESULT_CAN_RECOVER;
1453 case pci_channel_io_frozen: /* fatal error */
1454 init_completion(&bfad->comp);
1455 spin_lock_irqsave(&bfad->bfad_lock, flags);
1456 bfad->bfad_flags |= BFAD_EEH_BUSY;
1457 /* Suspend/fail all bfa operations */
1458 bfa_ioc_suspend(&bfad->bfa.ioc);
1459 bfa_fcs_stop(&bfad->bfa_fcs);
1460 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1461 wait_for_completion(&bfad->comp);
1463 bfad_remove_intr(bfad);
1464 del_timer_sync(&bfad->hal_tmo);
1465 pci_disable_device(pdev);
1466 ret = PCI_ERS_RESULT_NEED_RESET;
1468 case pci_channel_io_perm_failure: /* PCI Card is DEAD */
1469 spin_lock_irqsave(&bfad->bfad_lock, flags);
1470 bfad->bfad_flags |= BFAD_EEH_BUSY |
1471 BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1472 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1474 /* If the error_detected handler is called with the reason
1475 * pci_channel_io_perm_failure - it will subsequently call
1476 * pci_remove() entry point to remove the pci device from the
1477 * system - So defer the cleanup to pci_remove(); cleaning up
1478 * here causes inconsistent state during pci_remove().
1480 ret = PCI_ERS_RESULT_DISCONNECT;
1489 static int restart_bfa(struct bfad_s *bfad)
1491 unsigned long flags;
1492 struct pci_dev *pdev = bfad->pcidev;
1494 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1495 &bfad->meminfo, &bfad->hal_pcidev);
1497 /* Enable Interrupt and wait bfa_init completion */
1498 if (bfad_setup_intr(bfad)) {
1499 dev_printk(KERN_WARNING, &pdev->dev,
1500 "%s: bfad_setup_intr failed\n", bfad->pci_name);
1501 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
1505 init_completion(&bfad->comp);
1506 spin_lock_irqsave(&bfad->bfad_lock, flags);
1507 bfa_iocfc_init(&bfad->bfa);
1508 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1510 /* Set up interrupt handler for each vectors */
1511 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1512 bfad_install_msix_handler(bfad))
1513 dev_printk(KERN_WARNING, &pdev->dev,
1514 "%s: install_msix failed.\n", bfad->pci_name);
1516 bfad_init_timer(bfad);
1517 wait_for_completion(&bfad->comp);
1518 bfad_drv_start(bfad);
1524 * PCI Error Recovery entry, re-initialize the chip.
1526 static pci_ers_result_t
1527 bfad_pci_slot_reset(struct pci_dev *pdev)
1529 struct bfad_s *bfad = pci_get_drvdata(pdev);
1533 dev_printk(KERN_ERR, &pdev->dev,
1534 "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1536 if (pci_enable_device(pdev)) {
1537 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1538 "PCI device after reset.\n");
1539 return PCI_ERS_RESULT_DISCONNECT;
1542 pci_restore_state(pdev);
1545 * Read some byte (e.g. DMA max. payload size which can't
1546 * be 0xff any time) to make sure - we did not hit another PCI error
1547 * in the middle of recovery. If we did, then declare permanent failure.
1549 pci_read_config_byte(pdev, 0x68, &byte);
1551 dev_printk(KERN_ERR, &pdev->dev,
1552 "slot_reset failed ... got another PCI error !\n");
1553 goto out_disable_device;
1556 pci_save_state(pdev);
1557 pci_set_master(pdev);
1559 rc = dma_set_mask_and_coherent(&bfad->pcidev->dev, DMA_BIT_MASK(64));
1561 rc = dma_set_mask_and_coherent(&bfad->pcidev->dev,
1564 goto out_disable_device;
1566 if (restart_bfa(bfad) == -1)
1567 goto out_disable_device;
1569 pci_enable_pcie_error_reporting(pdev);
1570 dev_printk(KERN_WARNING, &pdev->dev,
1571 "slot_reset completed flags: 0x%x!\n", bfad->bfad_flags);
1573 return PCI_ERS_RESULT_RECOVERED;
1576 pci_disable_device(pdev);
1577 return PCI_ERS_RESULT_DISCONNECT;
1580 static pci_ers_result_t
1581 bfad_pci_mmio_enabled(struct pci_dev *pdev)
1583 unsigned long flags;
1584 struct bfad_s *bfad = pci_get_drvdata(pdev);
1586 dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1588 /* Fetch FW diagnostic information */
1589 bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1591 /* Cancel all pending IOs */
1592 spin_lock_irqsave(&bfad->bfad_lock, flags);
1593 init_completion(&bfad->comp);
1594 bfa_fcs_stop(&bfad->bfa_fcs);
1595 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1596 wait_for_completion(&bfad->comp);
1598 bfad_remove_intr(bfad);
1599 del_timer_sync(&bfad->hal_tmo);
1600 pci_disable_device(pdev);
1602 return PCI_ERS_RESULT_NEED_RESET;
1606 bfad_pci_resume(struct pci_dev *pdev)
1608 unsigned long flags;
1609 struct bfad_s *bfad = pci_get_drvdata(pdev);
1611 dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1613 /* wait until the link is online */
1614 bfad_rport_online_wait(bfad);
1616 spin_lock_irqsave(&bfad->bfad_lock, flags);
1617 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1618 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1621 struct pci_device_id bfad_id_table[] = {
1623 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1624 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1625 .subvendor = PCI_ANY_ID,
1626 .subdevice = PCI_ANY_ID,
1629 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1630 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1631 .subvendor = PCI_ANY_ID,
1632 .subdevice = PCI_ANY_ID,
1635 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1636 .device = BFA_PCI_DEVICE_ID_CT,
1637 .subvendor = PCI_ANY_ID,
1638 .subdevice = PCI_ANY_ID,
1639 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1643 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1644 .device = BFA_PCI_DEVICE_ID_CT_FC,
1645 .subvendor = PCI_ANY_ID,
1646 .subdevice = PCI_ANY_ID,
1647 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1651 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1652 .device = BFA_PCI_DEVICE_ID_CT2,
1653 .subvendor = PCI_ANY_ID,
1654 .subdevice = PCI_ANY_ID,
1655 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1660 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1661 .device = BFA_PCI_DEVICE_ID_CT2_QUAD,
1662 .subvendor = PCI_ANY_ID,
1663 .subdevice = PCI_ANY_ID,
1664 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1670 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1673 * PCI error recovery handlers.
1675 static struct pci_error_handlers bfad_err_handler = {
1676 .error_detected = bfad_pci_error_detected,
1677 .slot_reset = bfad_pci_slot_reset,
1678 .mmio_enabled = bfad_pci_mmio_enabled,
1679 .resume = bfad_pci_resume,
1682 static struct pci_driver bfad_pci_driver = {
1683 .name = BFAD_DRIVER_NAME,
1684 .id_table = bfad_id_table,
1685 .probe = bfad_pci_probe,
1686 .remove = bfad_pci_remove,
1687 .err_handler = &bfad_err_handler,
1691 * Driver module init.
1698 pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n",
1699 BFAD_DRIVER_VERSION);
1702 num_sgpgs_parm = num_sgpgs;
1704 error = bfad_im_module_init();
1707 printk(KERN_WARNING "bfad_im_module_init failure\n");
1711 if (strcmp(FCPI_NAME, " fcpim") == 0)
1712 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1714 bfa_auto_recover = ioc_auto_recover;
1715 bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1716 bfa_fcs_rport_set_max_logins(max_rport_logins);
1718 error = pci_register_driver(&bfad_pci_driver);
1720 printk(KERN_WARNING "pci_register_driver failure\n");
1727 bfad_im_module_exit();
1732 * Driver module exit.
1737 pci_unregister_driver(&bfad_pci_driver);
1738 bfad_im_module_exit();
1742 /* Firmware handling */
1744 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1745 u32 *bfi_image_size, char *fw_name)
1747 const struct firmware *fw;
1749 if (reject_firmware(&fw, fw_name, &pdev->dev)) {
1750 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1755 *bfi_image = vmalloc(fw->size);
1756 if (NULL == *bfi_image) {
1757 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1758 "size=%x!\n", (u32) fw->size);
1762 memcpy(*bfi_image, fw->data, fw->size);
1763 *bfi_image_size = fw->size/sizeof(u32);
1765 release_firmware(fw);
1769 bfad_load_fwimg(struct pci_dev *pdev)
1771 if (bfa_asic_id_ct2(pdev->device)) {
1772 if (bfi_image_ct2_size == 0)
1773 bfad_read_firmware(pdev, &bfi_image_ct2,
1774 &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1775 return bfi_image_ct2;
1776 } else if (bfa_asic_id_ct(pdev->device)) {
1777 if (bfi_image_ct_size == 0)
1778 bfad_read_firmware(pdev, &bfi_image_ct,
1779 &bfi_image_ct_size, BFAD_FW_FILE_CT);
1780 return bfi_image_ct;
1781 } else if (bfa_asic_id_cb(pdev->device)) {
1782 if (bfi_image_cb_size == 0)
1783 bfad_read_firmware(pdev, &bfi_image_cb,
1784 &bfi_image_cb_size, BFAD_FW_FILE_CB);
1785 return bfi_image_cb;
1792 bfad_free_fwimg(void)
1794 if (bfi_image_ct2_size && bfi_image_ct2)
1795 vfree(bfi_image_ct2);
1796 if (bfi_image_ct_size && bfi_image_ct)
1797 vfree(bfi_image_ct);
1798 if (bfi_image_cb_size && bfi_image_cb)
1799 vfree(bfi_image_cb);
1802 module_init(bfad_init);
1803 module_exit(bfad_exit);
1804 MODULE_LICENSE("GPL");
1805 MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1806 MODULE_AUTHOR("QLogic Corporation");
1807 MODULE_VERSION(BFAD_DRIVER_VERSION);