2 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
3 * Copyright (c) 2014- QLogic Corporation.
7 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License (GPL) Version 2 as
11 * published by the Free Software Foundation
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
20 * bfad.c Linux driver PCI interface module.
22 #include <linux/module.h>
23 #include <linux/kthread.h>
24 #include <linux/errno.h>
25 #include <linux/sched.h>
26 #include <linux/init.h>
28 #include <linux/pci.h>
29 #include <linux/firmware.h>
30 #include <linux/uaccess.h>
31 #include <asm/fcntl.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 bfa_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;
60 int max_xfer_size = BFAD_MAX_SECTORS >> 1;
61 int max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS;
63 /* Firmware releated */
64 u32 bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size;
65 u32 *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2;
67 #define BFAD_FW_FILE_CB "/*(DEBLOBBED)*/"
68 #define BFAD_FW_FILE_CT "/*(DEBLOBBED)*/"
69 #define BFAD_FW_FILE_CT2 "/*(DEBLOBBED)*/"
71 static u32 *bfad_load_fwimg(struct pci_dev *pdev);
72 static void bfad_free_fwimg(void);
73 static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
74 u32 *bfi_image_size, char *fw_name);
76 static const char *msix_name_ct[] = {
78 "cpe0", "cpe1", "cpe2", "cpe3",
79 "rme0", "rme1", "rme2", "rme3" };
81 static const char *msix_name_cb[] = {
82 "cpe0", "cpe1", "cpe2", "cpe3",
83 "rme0", "rme1", "rme2", "rme3",
84 "eemc", "elpu0", "elpu1", "epss", "mlpu" };
88 module_param(os_name, charp, S_IRUGO | S_IWUSR);
89 MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
90 module_param(os_patch, charp, S_IRUGO | S_IWUSR);
91 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
92 module_param(host_name, charp, S_IRUGO | S_IWUSR);
93 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
94 module_param(num_rports, int, S_IRUGO | S_IWUSR);
95 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
96 "(physical/logical), default=1024");
97 module_param(num_ios, int, S_IRUGO | S_IWUSR);
98 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
99 module_param(num_tms, int, S_IRUGO | S_IWUSR);
100 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
101 module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
102 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
103 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
104 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
105 "buffers, default=64");
106 module_param(reqq_size, int, S_IRUGO | S_IWUSR);
107 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
109 module_param(rspq_size, int, S_IRUGO | S_IWUSR);
110 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
112 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
113 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
114 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
115 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
117 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
118 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
119 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
120 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
121 module_param(bfa_log_level, int, S_IRUGO | S_IWUSR);
122 MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, "
123 "Range[Critical:1|Error:2|Warning:3|Info:4]");
124 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
125 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
126 "Range[off:0|on:1]");
127 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
128 MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for "
129 "boot port. Otherwise 10 secs in RHEL4 & 0 for "
130 "[RHEL5, SLES10, ESX40] Range[>0]");
131 module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
132 MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts for QLogic-415/425/815/825 cards, default=0 Range[false:0|true:1]");
133 module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
134 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]");
135 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
136 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, "
137 "Range[false:0|true:1]");
138 module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR);
139 MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 "
140 "(use system setting), Range[128|256|512|1024|2048|4096]");
141 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
142 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
143 " Range[false:0|true:1]");
144 module_param(max_xfer_size, int, S_IRUGO | S_IWUSR);
145 MODULE_PARM_DESC(max_xfer_size, "default=32MB,"
146 " Range[64k|128k|256k|512k|1024k|2048k]");
147 module_param(max_rport_logins, int, S_IRUGO | S_IWUSR);
148 MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024");
151 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
153 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
155 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
157 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
159 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
161 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
163 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event);
166 * Beginning state for the driver instance, awaiting the pci_probe event
169 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event)
171 bfa_trc(bfad, event);
175 bfa_sm_set_state(bfad, bfad_sm_created);
176 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad,
177 "%s", "bfad_worker");
178 if (IS_ERR(bfad->bfad_tsk)) {
179 printk(KERN_INFO "bfad[%d]: Kernel thread "
180 "creation failed!\n", bfad->inst_no);
181 bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED);
183 bfa_sm_send_event(bfad, BFAD_E_INIT);
187 /* Ignore stop; already in uninit */
191 bfa_sm_fault(bfad, event);
196 * Driver Instance is created, awaiting event INIT to initialize the bfad
199 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
204 bfa_trc(bfad, event);
208 bfa_sm_set_state(bfad, bfad_sm_initializing);
210 init_completion(&bfad->comp);
212 /* Enable Interrupt and wait bfa_init completion */
213 if (bfad_setup_intr(bfad)) {
214 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
216 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
220 spin_lock_irqsave(&bfad->bfad_lock, flags);
221 bfa_iocfc_init(&bfad->bfa);
222 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
224 /* Set up interrupt handler for each vectors */
225 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
226 bfad_install_msix_handler(bfad)) {
227 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
228 __func__, bfad->inst_no);
231 bfad_init_timer(bfad);
233 wait_for_completion(&bfad->comp);
235 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
236 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
239 "bfa %s: bfa init failed\n",
241 spin_lock_irqsave(&bfad->bfad_lock, flags);
242 bfa_fcs_init(&bfad->bfa_fcs);
243 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
245 ret = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
246 if (ret != BFA_STATUS_OK) {
247 init_completion(&bfad->comp);
249 spin_lock_irqsave(&bfad->bfad_lock, flags);
250 bfad->pport.flags |= BFAD_PORT_DELETE;
251 bfa_fcs_exit(&bfad->bfa_fcs);
252 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
254 wait_for_completion(&bfad->comp);
256 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
259 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
260 bfa_sm_send_event(bfad, BFAD_E_HAL_INIT_FAILED);
265 case BFAD_E_KTHREAD_CREATE_FAILED:
266 bfa_sm_set_state(bfad, bfad_sm_uninit);
270 bfa_sm_fault(bfad, event);
275 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event)
280 bfa_trc(bfad, event);
283 case BFAD_E_INIT_SUCCESS:
284 kthread_stop(bfad->bfad_tsk);
285 spin_lock_irqsave(&bfad->bfad_lock, flags);
286 bfad->bfad_tsk = NULL;
287 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
289 retval = bfad_start_ops(bfad);
290 if (retval != BFA_STATUS_OK) {
291 bfa_sm_set_state(bfad, bfad_sm_failed);
294 bfa_sm_set_state(bfad, bfad_sm_operational);
297 case BFAD_E_INIT_FAILED:
298 bfa_sm_set_state(bfad, bfad_sm_uninit);
299 kthread_stop(bfad->bfad_tsk);
300 spin_lock_irqsave(&bfad->bfad_lock, flags);
301 bfad->bfad_tsk = NULL;
302 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
305 case BFAD_E_HAL_INIT_FAILED:
306 bfa_sm_set_state(bfad, bfad_sm_failed);
309 bfa_sm_fault(bfad, event);
314 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event)
318 bfa_trc(bfad, event);
321 case BFAD_E_INIT_SUCCESS:
322 retval = bfad_start_ops(bfad);
323 if (retval != BFA_STATUS_OK)
325 bfa_sm_set_state(bfad, bfad_sm_operational);
329 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
330 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
333 case BFAD_E_EXIT_COMP:
334 bfa_sm_set_state(bfad, bfad_sm_uninit);
335 bfad_remove_intr(bfad);
336 del_timer_sync(&bfad->hal_tmo);
340 bfa_sm_fault(bfad, event);
345 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event)
347 bfa_trc(bfad, event);
351 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
356 bfa_sm_fault(bfad, event);
361 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event)
363 bfa_trc(bfad, event);
366 case BFAD_E_FCS_EXIT_COMP:
367 bfa_sm_set_state(bfad, bfad_sm_stopping);
372 bfa_sm_fault(bfad, event);
377 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event)
379 bfa_trc(bfad, event);
382 case BFAD_E_EXIT_COMP:
383 bfa_sm_set_state(bfad, bfad_sm_uninit);
384 bfad_remove_intr(bfad);
385 del_timer_sync(&bfad->hal_tmo);
386 bfad_im_probe_undo(bfad);
387 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
388 bfad_uncfg_pport(bfad);
392 bfa_sm_fault(bfad, event);
401 bfad_hcb_comp(void *arg, bfa_status_t status)
403 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
405 fcomp->status = status;
406 complete(&fcomp->comp);
413 bfa_cb_init(void *drv, bfa_status_t init_status)
415 struct bfad_s *bfad = drv;
417 if (init_status == BFA_STATUS_OK) {
418 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
421 * If BFAD_HAL_INIT_FAIL flag is set:
422 * Wake up the kernel thread to start
423 * the bfad operations after HAL init done
425 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
426 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
427 wake_up_process(bfad->bfad_tsk);
431 complete(&bfad->comp);
438 bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port,
439 enum bfa_lport_role roles, struct bfad_vf_s *vf_drv,
440 struct bfad_vport_s *vp_drv)
443 struct bfad_port_s *port_drv;
445 if (!vp_drv && !vf_drv) {
446 port_drv = &bfad->pport;
447 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
448 } else if (!vp_drv && vf_drv) {
449 port_drv = &vf_drv->base_port;
450 port_drv->pvb_type = BFAD_PORT_VF_BASE;
451 } else if (vp_drv && !vf_drv) {
452 port_drv = &vp_drv->drv_port;
453 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
455 port_drv = &vp_drv->drv_port;
456 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
459 port_drv->fcs_port = port;
460 port_drv->roles = roles;
462 if (roles & BFA_LPORT_ROLE_FCP_IM) {
463 rc = bfad_im_port_new(bfad, port_drv);
464 if (rc != BFA_STATUS_OK) {
465 bfad_im_port_delete(bfad, port_drv);
474 * FCS RPORT alloc callback, after successful PLOGI by FCS
477 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
478 struct bfad_rport_s **rport_drv)
480 bfa_status_t rc = BFA_STATUS_OK;
482 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
483 if (*rport_drv == NULL) {
484 rc = BFA_STATUS_ENOMEM;
488 *rport = &(*rport_drv)->fcs_rport;
495 * FCS PBC VPORT Create
498 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
501 struct bfa_lport_cfg_s port_cfg = {0};
502 struct bfad_vport_s *vport;
505 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_ATOMIC);
511 vport->drv_port.bfad = bfad;
512 port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
513 port_cfg.pwwn = pbc_vport.vp_pwwn;
514 port_cfg.nwwn = pbc_vport.vp_nwwn;
515 port_cfg.preboot_vp = BFA_TRUE;
517 rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0,
520 if (rc != BFA_STATUS_OK) {
525 list_add_tail(&vport->list_entry, &bfad->pbc_vport_list);
529 bfad_hal_mem_release(struct bfad_s *bfad)
531 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
532 struct bfa_mem_dma_s *dma_info, *dma_elem;
533 struct bfa_mem_kva_s *kva_info, *kva_elem;
534 struct list_head *dm_qe, *km_qe;
536 dma_info = &hal_meminfo->dma_info;
537 kva_info = &hal_meminfo->kva_info;
539 /* Iterate through the KVA meminfo queue */
540 list_for_each(km_qe, &kva_info->qe) {
541 kva_elem = (struct bfa_mem_kva_s *) km_qe;
542 vfree(kva_elem->kva);
545 /* Iterate through the DMA meminfo queue */
546 list_for_each(dm_qe, &dma_info->qe) {
547 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
548 dma_free_coherent(&bfad->pcidev->dev,
549 dma_elem->mem_len, dma_elem->kva,
550 (dma_addr_t) dma_elem->dma);
553 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
557 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
560 bfa_cfg->fwcfg.num_rports = num_rports;
562 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
564 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
565 if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX)
566 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
567 if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX)
568 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
570 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
572 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
573 if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX)
574 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
577 * populate the hal values back to the driver for sysfs use.
578 * otherwise, the default values will be shown as 0 in sysfs
580 num_rports = bfa_cfg->fwcfg.num_rports;
581 num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
582 num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
583 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
584 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
585 reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
586 rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
587 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
591 bfad_hal_mem_alloc(struct bfad_s *bfad)
593 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
594 struct bfa_mem_dma_s *dma_info, *dma_elem;
595 struct bfa_mem_kva_s *kva_info, *kva_elem;
596 struct list_head *dm_qe, *km_qe;
597 bfa_status_t rc = BFA_STATUS_OK;
598 dma_addr_t phys_addr;
600 bfa_cfg_get_default(&bfad->ioc_cfg);
601 bfad_update_hal_cfg(&bfad->ioc_cfg);
602 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
603 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa);
605 dma_info = &hal_meminfo->dma_info;
606 kva_info = &hal_meminfo->kva_info;
608 /* Iterate through the KVA meminfo queue */
609 list_for_each(km_qe, &kva_info->qe) {
610 kva_elem = (struct bfa_mem_kva_s *) km_qe;
611 kva_elem->kva = vzalloc(kva_elem->mem_len);
612 if (kva_elem->kva == NULL) {
613 bfad_hal_mem_release(bfad);
614 rc = BFA_STATUS_ENOMEM;
619 /* Iterate through the DMA meminfo queue */
620 list_for_each(dm_qe, &dma_info->qe) {
621 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
622 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev,
624 &phys_addr, GFP_KERNEL);
625 if (dma_elem->kva == NULL) {
626 bfad_hal_mem_release(bfad);
627 rc = BFA_STATUS_ENOMEM;
630 dma_elem->dma = phys_addr;
631 memset(dma_elem->kva, 0, dma_elem->mem_len);
638 * Create a vport under a vf.
641 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
642 struct bfa_lport_cfg_s *port_cfg, struct device *dev)
644 struct bfad_vport_s *vport;
645 int rc = BFA_STATUS_OK;
647 struct completion fcomp;
649 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
651 rc = BFA_STATUS_ENOMEM;
655 vport->drv_port.bfad = bfad;
656 spin_lock_irqsave(&bfad->bfad_lock, flags);
657 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
659 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
661 if (rc != BFA_STATUS_OK)
664 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) {
665 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
667 if (rc != BFA_STATUS_OK)
668 goto ext_free_fcs_vport;
671 spin_lock_irqsave(&bfad->bfad_lock, flags);
672 bfa_fcs_vport_start(&vport->fcs_vport);
673 list_add_tail(&vport->list_entry, &bfad->vport_list);
674 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
676 return BFA_STATUS_OK;
679 spin_lock_irqsave(&bfad->bfad_lock, flags);
680 vport->comp_del = &fcomp;
681 init_completion(vport->comp_del);
682 bfa_fcs_vport_delete(&vport->fcs_vport);
683 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
684 wait_for_completion(vport->comp_del);
692 bfad_bfa_tmo(struct timer_list *t)
694 struct bfad_s *bfad = from_timer(bfad, t, hal_tmo);
696 struct list_head doneq;
698 spin_lock_irqsave(&bfad->bfad_lock, flags);
700 bfa_timer_beat(&bfad->bfa.timer_mod);
702 bfa_comp_deq(&bfad->bfa, &doneq);
703 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
705 if (!list_empty(&doneq)) {
706 bfa_comp_process(&bfad->bfa, &doneq);
707 spin_lock_irqsave(&bfad->bfad_lock, flags);
708 bfa_comp_free(&bfad->bfa, &doneq);
709 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
712 mod_timer(&bfad->hal_tmo,
713 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
717 bfad_init_timer(struct bfad_s *bfad)
719 timer_setup(&bfad->hal_tmo, bfad_bfa_tmo, 0);
721 mod_timer(&bfad->hal_tmo,
722 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
726 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
730 if (pci_enable_device(pdev)) {
731 printk(KERN_ERR "pci_enable_device fail %p\n", pdev);
735 if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
736 goto out_disable_device;
738 pci_set_master(pdev);
741 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) ||
742 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) {
743 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) ||
744 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) {
745 printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev);
746 goto out_release_region;
750 /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */
751 pci_enable_pcie_error_reporting(pdev);
753 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
754 bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
756 if (bfad->pci_bar0_kva == NULL) {
757 printk(KERN_ERR "Fail to map bar0\n");
758 goto out_release_region;
761 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
762 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
763 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
764 bfad->hal_pcidev.device_id = pdev->device;
765 bfad->hal_pcidev.ssid = pdev->subsystem_device;
766 bfad->pci_name = pci_name(pdev);
768 bfad->pci_attr.vendor_id = pdev->vendor;
769 bfad->pci_attr.device_id = pdev->device;
770 bfad->pci_attr.ssid = pdev->subsystem_device;
771 bfad->pci_attr.ssvid = pdev->subsystem_vendor;
772 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
776 /* Adjust PCIe Maximum Read Request Size */
777 if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
778 if (pcie_max_read_reqsz >= 128 &&
779 pcie_max_read_reqsz <= 4096 &&
780 is_power_of_2(pcie_max_read_reqsz)) {
781 int max_rq = pcie_get_readrq(pdev);
782 printk(KERN_WARNING "BFA[%s]: "
783 "pcie_max_read_request_size is %d, "
784 "reset to %d\n", bfad->pci_name, max_rq,
785 pcie_max_read_reqsz);
786 pcie_set_readrq(pdev, pcie_max_read_reqsz);
788 printk(KERN_WARNING "BFA[%s]: invalid "
789 "pcie_max_read_request_size %d ignored\n",
790 bfad->pci_name, pcie_max_read_reqsz);
794 pci_save_state(pdev);
799 pci_release_regions(pdev);
801 pci_disable_device(pdev);
807 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
809 pci_iounmap(pdev, bfad->pci_bar0_kva);
810 pci_iounmap(pdev, bfad->pci_bar2_kva);
811 pci_release_regions(pdev);
812 /* Disable PCIE Advanced Error Recovery (AER) */
813 pci_disable_pcie_error_reporting(pdev);
814 pci_disable_device(pdev);
818 bfad_drv_init(struct bfad_s *bfad)
823 bfad->cfg_data.rport_del_timeout = rport_del_timeout;
824 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
825 bfad->cfg_data.io_max_sge = bfa_io_max_sge;
826 bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
828 rc = bfad_hal_mem_alloc(bfad);
829 if (rc != BFA_STATUS_OK) {
830 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
833 "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n");
834 return BFA_STATUS_FAILED;
837 bfad->bfa.trcmod = bfad->trcmod;
838 bfad->bfa.plog = &bfad->plog_buf;
839 bfa_plog_init(&bfad->plog_buf);
840 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
843 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
847 spin_lock_irqsave(&bfad->bfad_lock, flags);
848 bfad->bfa_fcs.trcmod = bfad->trcmod;
849 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
850 bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
851 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
853 bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
855 return BFA_STATUS_OK;
859 bfad_drv_uninit(struct bfad_s *bfad)
863 spin_lock_irqsave(&bfad->bfad_lock, flags);
864 init_completion(&bfad->comp);
865 bfa_iocfc_stop(&bfad->bfa);
866 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
867 wait_for_completion(&bfad->comp);
869 del_timer_sync(&bfad->hal_tmo);
870 bfa_isr_disable(&bfad->bfa);
871 bfa_detach(&bfad->bfa);
872 bfad_remove_intr(bfad);
873 bfad_hal_mem_release(bfad);
875 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
879 bfad_drv_start(struct bfad_s *bfad)
883 spin_lock_irqsave(&bfad->bfad_lock, flags);
884 bfa_iocfc_start(&bfad->bfa);
885 bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
886 bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
887 bfad->bfad_flags |= BFAD_HAL_START_DONE;
888 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
891 flush_workqueue(bfad->im->drv_workq);
895 bfad_fcs_stop(struct bfad_s *bfad)
899 spin_lock_irqsave(&bfad->bfad_lock, flags);
900 init_completion(&bfad->comp);
901 bfad->pport.flags |= BFAD_PORT_DELETE;
902 bfa_fcs_exit(&bfad->bfa_fcs);
903 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
904 wait_for_completion(&bfad->comp);
906 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
910 bfad_stop(struct bfad_s *bfad)
914 spin_lock_irqsave(&bfad->bfad_lock, flags);
915 init_completion(&bfad->comp);
916 bfa_iocfc_stop(&bfad->bfa);
917 bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
918 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
919 wait_for_completion(&bfad->comp);
921 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
925 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
927 int rc = BFA_STATUS_OK;
929 /* Allocate scsi_host for the physical port */
930 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
931 (role & BFA_LPORT_ROLE_FCP_IM)) {
932 if (bfad->pport.im_port == NULL) {
933 rc = BFA_STATUS_FAILED;
937 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
939 if (rc != BFA_STATUS_OK)
942 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
945 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
952 bfad_uncfg_pport(struct bfad_s *bfad)
954 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
955 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
956 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
957 bfad_im_port_clean(bfad->pport.im_port);
958 kfree(bfad->pport.im_port);
959 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
962 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
966 bfad_start_ops(struct bfad_s *bfad) {
970 struct bfad_vport_s *vport, *vport_new;
971 struct bfa_fcs_driver_info_s driver_info;
973 /* Limit min/max. xfer size to [64k-32MB] */
974 if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
975 max_xfer_size = BFAD_MIN_SECTORS >> 1;
976 if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
977 max_xfer_size = BFAD_MAX_SECTORS >> 1;
979 /* Fill the driver_info info to fcs*/
980 memset(&driver_info, 0, sizeof(driver_info));
981 strlcpy(driver_info.version, BFAD_DRIVER_VERSION,
982 sizeof(driver_info.version));
984 strlcpy(driver_info.host_machine_name, host_name,
985 sizeof(driver_info.host_machine_name));
987 strlcpy(driver_info.host_os_name, os_name,
988 sizeof(driver_info.host_os_name));
990 strlcpy(driver_info.host_os_patch, os_patch,
991 sizeof(driver_info.host_os_patch));
993 strlcpy(driver_info.os_device_name, bfad->pci_name,
994 sizeof(driver_info.os_device_name));
996 /* FCS driver info init */
997 spin_lock_irqsave(&bfad->bfad_lock, flags);
998 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
1000 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
1001 bfa_fcs_update_cfg(&bfad->bfa_fcs);
1003 bfa_fcs_init(&bfad->bfa_fcs);
1005 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1007 if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) {
1008 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
1009 if (retval != BFA_STATUS_OK)
1010 return BFA_STATUS_FAILED;
1013 /* Setup fc host fixed attribute if the lk supports */
1014 bfad_fc_host_init(bfad->pport.im_port);
1016 /* BFAD level FC4 IM specific resource allocation */
1017 retval = bfad_im_probe(bfad);
1018 if (retval != BFA_STATUS_OK) {
1019 printk(KERN_WARNING "bfad_im_probe failed\n");
1020 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1021 bfa_sm_set_state(bfad, bfad_sm_failed);
1022 return BFA_STATUS_FAILED;
1024 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1026 bfad_drv_start(bfad);
1028 /* Complete pbc vport create */
1029 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1031 struct fc_vport_identifiers vid;
1032 struct fc_vport *fc_vport;
1033 char pwwn_buf[BFA_STRING_32];
1035 memset(&vid, 0, sizeof(vid));
1036 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1037 vid.vport_type = FC_PORTTYPE_NPIV;
1038 vid.disable = false;
1039 vid.node_name = wwn_to_u64((u8 *)
1040 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1041 vid.port_name = wwn_to_u64((u8 *)
1042 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1043 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1045 wwn2str(pwwn_buf, vid.port_name);
1046 printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1047 " %s\n", bfad->inst_no, pwwn_buf);
1049 list_del(&vport->list_entry);
1054 * If bfa_linkup_delay is set to -1 default; try to retrive the
1055 * value using the bfad_get_linkup_delay(); else use the
1056 * passed in module param value as the bfa_linkup_delay.
1058 if (bfa_linkup_delay < 0) {
1059 bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1060 bfad_rport_online_wait(bfad);
1061 bfa_linkup_delay = -1;
1063 bfad_rport_online_wait(bfad);
1065 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
1067 return BFA_STATUS_OK;
1071 bfad_worker(void *ptr)
1073 struct bfad_s *bfad = ptr;
1074 unsigned long flags;
1076 if (kthread_should_stop())
1079 /* Send event BFAD_E_INIT_SUCCESS */
1080 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1082 spin_lock_irqsave(&bfad->bfad_lock, flags);
1083 bfad->bfad_tsk = NULL;
1084 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1090 * BFA driver interrupt functions
1093 bfad_intx(int irq, void *dev_id)
1095 struct bfad_s *bfad = dev_id;
1096 struct list_head doneq;
1097 unsigned long flags;
1100 spin_lock_irqsave(&bfad->bfad_lock, flags);
1101 rc = bfa_intx(&bfad->bfa);
1103 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1107 bfa_comp_deq(&bfad->bfa, &doneq);
1108 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1110 if (!list_empty(&doneq)) {
1111 bfa_comp_process(&bfad->bfa, &doneq);
1113 spin_lock_irqsave(&bfad->bfad_lock, flags);
1114 bfa_comp_free(&bfad->bfa, &doneq);
1115 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1123 bfad_msix(int irq, void *dev_id)
1125 struct bfad_msix_s *vec = dev_id;
1126 struct bfad_s *bfad = vec->bfad;
1127 struct list_head doneq;
1128 unsigned long flags;
1130 spin_lock_irqsave(&bfad->bfad_lock, flags);
1132 bfa_msix(&bfad->bfa, vec->msix.entry);
1133 bfa_comp_deq(&bfad->bfa, &doneq);
1134 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1136 if (!list_empty(&doneq)) {
1137 bfa_comp_process(&bfad->bfa, &doneq);
1139 spin_lock_irqsave(&bfad->bfad_lock, flags);
1140 bfa_comp_free(&bfad->bfa, &doneq);
1141 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1148 * Initialize the MSIX entry table.
1151 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1152 int mask, int max_bit)
1155 int match = 0x00000001;
1157 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1159 bfad->msix_tab[bfad->nvec].msix.entry = i;
1160 bfad->msix_tab[bfad->nvec].bfad = bfad;
1161 msix_entries[bfad->nvec].entry = i;
1171 bfad_install_msix_handler(struct bfad_s *bfad)
1175 for (i = 0; i < bfad->nvec; i++) {
1176 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1178 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1179 msix_name_cb[i] : msix_name_ct[i]));
1181 error = request_irq(bfad->msix_tab[i].msix.vector,
1182 (irq_handler_t) bfad_msix, 0,
1183 bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1185 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1189 for (j = 0; j < i; j++)
1190 free_irq(bfad->msix_tab[j].msix.vector,
1191 &bfad->msix_tab[j]);
1193 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1194 pci_disable_msix(bfad->pcidev);
1204 * Setup MSIX based interrupt.
1207 bfad_setup_intr(struct bfad_s *bfad)
1210 u32 mask = 0, i, num_bit = 0, max_bit = 0;
1211 struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1212 struct pci_dev *pdev = bfad->pcidev;
1215 /* Call BFA to get the msix map for this PCI function. */
1216 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1218 /* Set up the msix entry table */
1219 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1221 if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1222 (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
1224 error = pci_enable_msix_exact(bfad->pcidev,
1225 msix_entries, bfad->nvec);
1226 /* In CT1 & CT2, try to allocate just one vector */
1227 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
1228 printk(KERN_WARNING "bfa %s: trying one msix "
1229 "vector failed to allocate %d[%d]\n",
1230 bfad->pci_name, bfad->nvec, error);
1232 error = pci_enable_msix_exact(bfad->pcidev,
1237 printk(KERN_WARNING "bfad%d: "
1238 "pci_enable_msix_exact failed (%d), "
1239 "use line based.\n",
1240 bfad->inst_no, error);
1244 /* Disable INTX in MSI-X mode */
1245 pci_read_config_word(pdev, PCI_COMMAND, ®);
1247 if (!(reg & PCI_COMMAND_INTX_DISABLE))
1248 pci_write_config_word(pdev, PCI_COMMAND,
1249 reg | PCI_COMMAND_INTX_DISABLE);
1251 /* Save the vectors */
1252 for (i = 0; i < bfad->nvec; i++) {
1253 bfa_trc(bfad, msix_entries[i].vector);
1254 bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1257 bfa_msix_init(&bfad->bfa, bfad->nvec);
1259 bfad->bfad_flags |= BFAD_MSIX_ON;
1265 error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx,
1266 BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad);
1270 bfad->bfad_flags |= BFAD_INTX_ON;
1276 bfad_remove_intr(struct bfad_s *bfad)
1280 if (bfad->bfad_flags & BFAD_MSIX_ON) {
1281 for (i = 0; i < bfad->nvec; i++)
1282 free_irq(bfad->msix_tab[i].msix.vector,
1283 &bfad->msix_tab[i]);
1285 pci_disable_msix(bfad->pcidev);
1286 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1287 } else if (bfad->bfad_flags & BFAD_INTX_ON) {
1288 free_irq(bfad->pcidev->irq, bfad);
1296 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1298 struct bfad_s *bfad;
1299 int error = -ENODEV, retval, i;
1301 /* For single port cards - only claim function 0 */
1302 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1303 (PCI_FUNC(pdev->devfn) != 0))
1306 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1312 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1313 if (!bfad->trcmod) {
1314 printk(KERN_WARNING "Error alloc trace buffer!\n");
1316 goto out_alloc_trace_failure;
1320 bfa_trc_init(bfad->trcmod);
1321 bfa_trc(bfad, bfad_inst);
1324 INIT_LIST_HEAD(&bfad->free_aen_q);
1325 INIT_LIST_HEAD(&bfad->active_aen_q);
1326 for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1327 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1329 if (!(bfad_load_fwimg(pdev))) {
1330 kfree(bfad->trcmod);
1331 goto out_alloc_trace_failure;
1334 retval = bfad_pci_init(pdev, bfad);
1336 printk(KERN_WARNING "bfad_pci_init failure!\n");
1338 goto out_pci_init_failure;
1341 mutex_lock(&bfad_mutex);
1342 bfad->inst_no = bfad_inst++;
1343 list_add_tail(&bfad->list_entry, &bfad_list);
1344 mutex_unlock(&bfad_mutex);
1346 /* Initializing the state machine: State set to uninit */
1347 bfa_sm_set_state(bfad, bfad_sm_uninit);
1349 spin_lock_init(&bfad->bfad_lock);
1350 spin_lock_init(&bfad->bfad_aen_spinlock);
1352 pci_set_drvdata(pdev, bfad);
1354 bfad->ref_count = 0;
1355 bfad->pport.bfad = bfad;
1356 INIT_LIST_HEAD(&bfad->pbc_vport_list);
1357 INIT_LIST_HEAD(&bfad->vport_list);
1359 /* Setup the debugfs node for this bfad */
1360 if (bfa_debugfs_enable)
1361 bfad_debugfs_init(&bfad->pport);
1363 retval = bfad_drv_init(bfad);
1364 if (retval != BFA_STATUS_OK)
1365 goto out_drv_init_failure;
1367 bfa_sm_send_event(bfad, BFAD_E_CREATE);
1369 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1370 goto out_bfad_sm_failure;
1374 out_bfad_sm_failure:
1375 bfad_hal_mem_release(bfad);
1376 out_drv_init_failure:
1377 /* Remove the debugfs node for this bfad */
1378 kfree(bfad->regdata);
1379 bfad_debugfs_exit(&bfad->pport);
1380 mutex_lock(&bfad_mutex);
1382 list_del(&bfad->list_entry);
1383 mutex_unlock(&bfad_mutex);
1384 bfad_pci_uninit(pdev, bfad);
1385 out_pci_init_failure:
1386 kfree(bfad->trcmod);
1387 out_alloc_trace_failure:
1397 bfad_pci_remove(struct pci_dev *pdev)
1399 struct bfad_s *bfad = pci_get_drvdata(pdev);
1400 unsigned long flags;
1402 bfa_trc(bfad, bfad->inst_no);
1404 spin_lock_irqsave(&bfad->bfad_lock, flags);
1405 if (bfad->bfad_tsk != NULL) {
1406 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1407 kthread_stop(bfad->bfad_tsk);
1409 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1412 /* Send Event BFAD_E_STOP */
1413 bfa_sm_send_event(bfad, BFAD_E_STOP);
1415 /* Driver detach and dealloc mem */
1416 spin_lock_irqsave(&bfad->bfad_lock, flags);
1417 bfa_detach(&bfad->bfa);
1418 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1419 bfad_hal_mem_release(bfad);
1421 /* Remove the debugfs node for this bfad */
1422 kfree(bfad->regdata);
1423 bfad_debugfs_exit(&bfad->pport);
1425 /* Cleaning the BFAD instance */
1426 mutex_lock(&bfad_mutex);
1428 list_del(&bfad->list_entry);
1429 mutex_unlock(&bfad_mutex);
1430 bfad_pci_uninit(pdev, bfad);
1432 kfree(bfad->trcmod);
1437 * PCI Error Recovery entry, error detected.
1439 static pci_ers_result_t
1440 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1442 struct bfad_s *bfad = pci_get_drvdata(pdev);
1443 unsigned long flags;
1444 pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1446 dev_printk(KERN_ERR, &pdev->dev,
1447 "error detected state: %d - flags: 0x%x\n",
1448 state, bfad->bfad_flags);
1451 case pci_channel_io_normal: /* non-fatal error */
1452 spin_lock_irqsave(&bfad->bfad_lock, flags);
1453 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1454 /* Suspend/fail all bfa operations */
1455 bfa_ioc_suspend(&bfad->bfa.ioc);
1456 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1457 del_timer_sync(&bfad->hal_tmo);
1458 ret = PCI_ERS_RESULT_CAN_RECOVER;
1460 case pci_channel_io_frozen: /* fatal error */
1461 init_completion(&bfad->comp);
1462 spin_lock_irqsave(&bfad->bfad_lock, flags);
1463 bfad->bfad_flags |= BFAD_EEH_BUSY;
1464 /* Suspend/fail all bfa operations */
1465 bfa_ioc_suspend(&bfad->bfa.ioc);
1466 bfa_fcs_stop(&bfad->bfa_fcs);
1467 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1468 wait_for_completion(&bfad->comp);
1470 bfad_remove_intr(bfad);
1471 del_timer_sync(&bfad->hal_tmo);
1472 pci_disable_device(pdev);
1473 ret = PCI_ERS_RESULT_NEED_RESET;
1475 case pci_channel_io_perm_failure: /* PCI Card is DEAD */
1476 spin_lock_irqsave(&bfad->bfad_lock, flags);
1477 bfad->bfad_flags |= BFAD_EEH_BUSY |
1478 BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1479 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1481 /* If the error_detected handler is called with the reason
1482 * pci_channel_io_perm_failure - it will subsequently call
1483 * pci_remove() entry point to remove the pci device from the
1484 * system - So defer the cleanup to pci_remove(); cleaning up
1485 * here causes inconsistent state during pci_remove().
1487 ret = PCI_ERS_RESULT_DISCONNECT;
1497 restart_bfa(struct bfad_s *bfad)
1499 unsigned long flags;
1500 struct pci_dev *pdev = bfad->pcidev;
1502 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1503 &bfad->meminfo, &bfad->hal_pcidev);
1505 /* Enable Interrupt and wait bfa_init completion */
1506 if (bfad_setup_intr(bfad)) {
1507 dev_printk(KERN_WARNING, &pdev->dev,
1508 "%s: bfad_setup_intr failed\n", bfad->pci_name);
1509 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
1513 init_completion(&bfad->comp);
1514 spin_lock_irqsave(&bfad->bfad_lock, flags);
1515 bfa_iocfc_init(&bfad->bfa);
1516 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1518 /* Set up interrupt handler for each vectors */
1519 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1520 bfad_install_msix_handler(bfad))
1521 dev_printk(KERN_WARNING, &pdev->dev,
1522 "%s: install_msix failed.\n", bfad->pci_name);
1524 bfad_init_timer(bfad);
1525 wait_for_completion(&bfad->comp);
1526 bfad_drv_start(bfad);
1532 * PCI Error Recovery entry, re-initialize the chip.
1534 static pci_ers_result_t
1535 bfad_pci_slot_reset(struct pci_dev *pdev)
1537 struct bfad_s *bfad = pci_get_drvdata(pdev);
1540 dev_printk(KERN_ERR, &pdev->dev,
1541 "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1543 if (pci_enable_device(pdev)) {
1544 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1545 "PCI device after reset.\n");
1546 return PCI_ERS_RESULT_DISCONNECT;
1549 pci_restore_state(pdev);
1552 * Read some byte (e.g. DMA max. payload size which can't
1553 * be 0xff any time) to make sure - we did not hit another PCI error
1554 * in the middle of recovery. If we did, then declare permanent failure.
1556 pci_read_config_byte(pdev, 0x68, &byte);
1558 dev_printk(KERN_ERR, &pdev->dev,
1559 "slot_reset failed ... got another PCI error !\n");
1560 goto out_disable_device;
1563 pci_save_state(pdev);
1564 pci_set_master(pdev);
1566 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(64)) != 0)
1567 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(32)) != 0)
1568 goto out_disable_device;
1570 pci_cleanup_aer_uncorrect_error_status(pdev);
1572 if (restart_bfa(bfad) == -1)
1573 goto out_disable_device;
1575 pci_enable_pcie_error_reporting(pdev);
1576 dev_printk(KERN_WARNING, &pdev->dev,
1577 "slot_reset completed flags: 0x%x!\n", bfad->bfad_flags);
1579 return PCI_ERS_RESULT_RECOVERED;
1582 pci_disable_device(pdev);
1583 return PCI_ERS_RESULT_DISCONNECT;
1586 static pci_ers_result_t
1587 bfad_pci_mmio_enabled(struct pci_dev *pdev)
1589 unsigned long flags;
1590 struct bfad_s *bfad = pci_get_drvdata(pdev);
1592 dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1594 /* Fetch FW diagnostic information */
1595 bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1597 /* Cancel all pending IOs */
1598 spin_lock_irqsave(&bfad->bfad_lock, flags);
1599 init_completion(&bfad->comp);
1600 bfa_fcs_stop(&bfad->bfa_fcs);
1601 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1602 wait_for_completion(&bfad->comp);
1604 bfad_remove_intr(bfad);
1605 del_timer_sync(&bfad->hal_tmo);
1606 pci_disable_device(pdev);
1608 return PCI_ERS_RESULT_NEED_RESET;
1612 bfad_pci_resume(struct pci_dev *pdev)
1614 unsigned long flags;
1615 struct bfad_s *bfad = pci_get_drvdata(pdev);
1617 dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1619 /* wait until the link is online */
1620 bfad_rport_online_wait(bfad);
1622 spin_lock_irqsave(&bfad->bfad_lock, flags);
1623 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1624 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1627 struct pci_device_id bfad_id_table[] = {
1629 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1630 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1631 .subvendor = PCI_ANY_ID,
1632 .subdevice = PCI_ANY_ID,
1635 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1636 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1637 .subvendor = PCI_ANY_ID,
1638 .subdevice = PCI_ANY_ID,
1641 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1642 .device = BFA_PCI_DEVICE_ID_CT,
1643 .subvendor = PCI_ANY_ID,
1644 .subdevice = PCI_ANY_ID,
1645 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1649 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1650 .device = BFA_PCI_DEVICE_ID_CT_FC,
1651 .subvendor = PCI_ANY_ID,
1652 .subdevice = PCI_ANY_ID,
1653 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1657 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1658 .device = BFA_PCI_DEVICE_ID_CT2,
1659 .subvendor = PCI_ANY_ID,
1660 .subdevice = PCI_ANY_ID,
1661 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1666 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1667 .device = BFA_PCI_DEVICE_ID_CT2_QUAD,
1668 .subvendor = PCI_ANY_ID,
1669 .subdevice = PCI_ANY_ID,
1670 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1676 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1679 * PCI error recovery handlers.
1681 static struct pci_error_handlers bfad_err_handler = {
1682 .error_detected = bfad_pci_error_detected,
1683 .slot_reset = bfad_pci_slot_reset,
1684 .mmio_enabled = bfad_pci_mmio_enabled,
1685 .resume = bfad_pci_resume,
1688 static struct pci_driver bfad_pci_driver = {
1689 .name = BFAD_DRIVER_NAME,
1690 .id_table = bfad_id_table,
1691 .probe = bfad_pci_probe,
1692 .remove = bfad_pci_remove,
1693 .err_handler = &bfad_err_handler,
1697 * Driver module init.
1704 pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n",
1705 BFAD_DRIVER_VERSION);
1708 num_sgpgs_parm = num_sgpgs;
1710 error = bfad_im_module_init();
1713 printk(KERN_WARNING "bfad_im_module_init failure\n");
1717 if (strcmp(FCPI_NAME, " fcpim") == 0)
1718 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1720 bfa_auto_recover = ioc_auto_recover;
1721 bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1722 bfa_fcs_rport_set_max_logins(max_rport_logins);
1724 error = pci_register_driver(&bfad_pci_driver);
1726 printk(KERN_WARNING "pci_register_driver failure\n");
1733 bfad_im_module_exit();
1738 * Driver module exit.
1743 pci_unregister_driver(&bfad_pci_driver);
1744 bfad_im_module_exit();
1748 /* Firmware handling */
1750 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1751 u32 *bfi_image_size, char *fw_name)
1753 const struct firmware *fw;
1755 if (reject_firmware(&fw, fw_name, &pdev->dev)) {
1756 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1761 *bfi_image = vmalloc(fw->size);
1762 if (NULL == *bfi_image) {
1763 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1764 "size=%x!\n", (u32) fw->size);
1768 memcpy(*bfi_image, fw->data, fw->size);
1769 *bfi_image_size = fw->size/sizeof(u32);
1771 release_firmware(fw);
1775 bfad_load_fwimg(struct pci_dev *pdev)
1777 if (bfa_asic_id_ct2(pdev->device)) {
1778 if (bfi_image_ct2_size == 0)
1779 bfad_read_firmware(pdev, &bfi_image_ct2,
1780 &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1781 return bfi_image_ct2;
1782 } else if (bfa_asic_id_ct(pdev->device)) {
1783 if (bfi_image_ct_size == 0)
1784 bfad_read_firmware(pdev, &bfi_image_ct,
1785 &bfi_image_ct_size, BFAD_FW_FILE_CT);
1786 return bfi_image_ct;
1787 } else if (bfa_asic_id_cb(pdev->device)) {
1788 if (bfi_image_cb_size == 0)
1789 bfad_read_firmware(pdev, &bfi_image_cb,
1790 &bfi_image_cb_size, BFAD_FW_FILE_CB);
1791 return bfi_image_cb;
1798 bfad_free_fwimg(void)
1800 if (bfi_image_ct2_size && bfi_image_ct2)
1801 vfree(bfi_image_ct2);
1802 if (bfi_image_ct_size && bfi_image_ct)
1803 vfree(bfi_image_ct);
1804 if (bfi_image_cb_size && bfi_image_cb)
1805 vfree(bfi_image_cb);
1808 module_init(bfad_init);
1809 module_exit(bfad_exit);
1810 MODULE_LICENSE("GPL");
1811 MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1812 MODULE_AUTHOR("QLogic Corporation");
1813 MODULE_VERSION(BFAD_DRIVER_VERSION);