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 = vmalloc(kva_elem->mem_len);
612 if (kva_elem->kva == NULL) {
613 bfad_hal_mem_release(bfad);
614 rc = BFA_STATUS_ENOMEM;
617 memset(kva_elem->kva, 0, kva_elem->mem_len);
620 /* Iterate through the DMA meminfo queue */
621 list_for_each(dm_qe, &dma_info->qe) {
622 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
623 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev,
625 &phys_addr, GFP_KERNEL);
626 if (dma_elem->kva == NULL) {
627 bfad_hal_mem_release(bfad);
628 rc = BFA_STATUS_ENOMEM;
631 dma_elem->dma = phys_addr;
632 memset(dma_elem->kva, 0, dma_elem->mem_len);
639 * Create a vport under a vf.
642 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
643 struct bfa_lport_cfg_s *port_cfg, struct device *dev)
645 struct bfad_vport_s *vport;
646 int rc = BFA_STATUS_OK;
648 struct completion fcomp;
650 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
652 rc = BFA_STATUS_ENOMEM;
656 vport->drv_port.bfad = bfad;
657 spin_lock_irqsave(&bfad->bfad_lock, flags);
658 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
660 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
662 if (rc != BFA_STATUS_OK)
665 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) {
666 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
668 if (rc != BFA_STATUS_OK)
669 goto ext_free_fcs_vport;
672 spin_lock_irqsave(&bfad->bfad_lock, flags);
673 bfa_fcs_vport_start(&vport->fcs_vport);
674 list_add_tail(&vport->list_entry, &bfad->vport_list);
675 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
677 return BFA_STATUS_OK;
680 spin_lock_irqsave(&bfad->bfad_lock, flags);
681 vport->comp_del = &fcomp;
682 init_completion(vport->comp_del);
683 bfa_fcs_vport_delete(&vport->fcs_vport);
684 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
685 wait_for_completion(vport->comp_del);
693 bfad_bfa_tmo(unsigned long data)
695 struct bfad_s *bfad = (struct bfad_s *) data;
697 struct list_head doneq;
699 spin_lock_irqsave(&bfad->bfad_lock, flags);
701 bfa_timer_beat(&bfad->bfa.timer_mod);
703 bfa_comp_deq(&bfad->bfa, &doneq);
704 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
706 if (!list_empty(&doneq)) {
707 bfa_comp_process(&bfad->bfa, &doneq);
708 spin_lock_irqsave(&bfad->bfad_lock, flags);
709 bfa_comp_free(&bfad->bfa, &doneq);
710 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
713 mod_timer(&bfad->hal_tmo,
714 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
718 bfad_init_timer(struct bfad_s *bfad)
720 init_timer(&bfad->hal_tmo);
721 bfad->hal_tmo.function = bfad_bfa_tmo;
722 bfad->hal_tmo.data = (unsigned long)bfad;
724 mod_timer(&bfad->hal_tmo,
725 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
729 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
733 if (pci_enable_device(pdev)) {
734 printk(KERN_ERR "pci_enable_device fail %p\n", pdev);
738 if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
739 goto out_disable_device;
741 pci_set_master(pdev);
744 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) ||
745 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) {
746 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) ||
747 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) {
748 printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev);
749 goto out_release_region;
753 /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */
754 pci_enable_pcie_error_reporting(pdev);
756 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
757 bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
759 if (bfad->pci_bar0_kva == NULL) {
760 printk(KERN_ERR "Fail to map bar0\n");
761 goto out_release_region;
764 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
765 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
766 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
767 bfad->hal_pcidev.device_id = pdev->device;
768 bfad->hal_pcidev.ssid = pdev->subsystem_device;
769 bfad->pci_name = pci_name(pdev);
771 bfad->pci_attr.vendor_id = pdev->vendor;
772 bfad->pci_attr.device_id = pdev->device;
773 bfad->pci_attr.ssid = pdev->subsystem_device;
774 bfad->pci_attr.ssvid = pdev->subsystem_vendor;
775 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
779 /* Adjust PCIe Maximum Read Request Size */
780 if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
781 if (pcie_max_read_reqsz >= 128 &&
782 pcie_max_read_reqsz <= 4096 &&
783 is_power_of_2(pcie_max_read_reqsz)) {
784 int max_rq = pcie_get_readrq(pdev);
785 printk(KERN_WARNING "BFA[%s]: "
786 "pcie_max_read_request_size is %d, "
787 "reset to %d\n", bfad->pci_name, max_rq,
788 pcie_max_read_reqsz);
789 pcie_set_readrq(pdev, pcie_max_read_reqsz);
791 printk(KERN_WARNING "BFA[%s]: invalid "
792 "pcie_max_read_request_size %d ignored\n",
793 bfad->pci_name, pcie_max_read_reqsz);
797 pci_save_state(pdev);
802 pci_release_regions(pdev);
804 pci_disable_device(pdev);
810 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
812 pci_iounmap(pdev, bfad->pci_bar0_kva);
813 pci_iounmap(pdev, bfad->pci_bar2_kva);
814 pci_release_regions(pdev);
815 /* Disable PCIE Advanced Error Recovery (AER) */
816 pci_disable_pcie_error_reporting(pdev);
817 pci_disable_device(pdev);
821 bfad_drv_init(struct bfad_s *bfad)
826 bfad->cfg_data.rport_del_timeout = rport_del_timeout;
827 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
828 bfad->cfg_data.io_max_sge = bfa_io_max_sge;
829 bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
831 rc = bfad_hal_mem_alloc(bfad);
832 if (rc != BFA_STATUS_OK) {
833 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
836 "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n");
837 return BFA_STATUS_FAILED;
840 bfad->bfa.trcmod = bfad->trcmod;
841 bfad->bfa.plog = &bfad->plog_buf;
842 bfa_plog_init(&bfad->plog_buf);
843 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
846 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
850 spin_lock_irqsave(&bfad->bfad_lock, flags);
851 bfad->bfa_fcs.trcmod = bfad->trcmod;
852 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
853 bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
854 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
856 bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
858 return BFA_STATUS_OK;
862 bfad_drv_uninit(struct bfad_s *bfad)
866 spin_lock_irqsave(&bfad->bfad_lock, flags);
867 init_completion(&bfad->comp);
868 bfa_iocfc_stop(&bfad->bfa);
869 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
870 wait_for_completion(&bfad->comp);
872 del_timer_sync(&bfad->hal_tmo);
873 bfa_isr_disable(&bfad->bfa);
874 bfa_detach(&bfad->bfa);
875 bfad_remove_intr(bfad);
876 bfad_hal_mem_release(bfad);
878 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
882 bfad_drv_start(struct bfad_s *bfad)
886 spin_lock_irqsave(&bfad->bfad_lock, flags);
887 bfa_iocfc_start(&bfad->bfa);
888 bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
889 bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
890 bfad->bfad_flags |= BFAD_HAL_START_DONE;
891 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
894 flush_workqueue(bfad->im->drv_workq);
898 bfad_fcs_stop(struct bfad_s *bfad)
902 spin_lock_irqsave(&bfad->bfad_lock, flags);
903 init_completion(&bfad->comp);
904 bfad->pport.flags |= BFAD_PORT_DELETE;
905 bfa_fcs_exit(&bfad->bfa_fcs);
906 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
907 wait_for_completion(&bfad->comp);
909 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
913 bfad_stop(struct bfad_s *bfad)
917 spin_lock_irqsave(&bfad->bfad_lock, flags);
918 init_completion(&bfad->comp);
919 bfa_iocfc_stop(&bfad->bfa);
920 bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
921 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
922 wait_for_completion(&bfad->comp);
924 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
928 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
930 int rc = BFA_STATUS_OK;
932 /* Allocate scsi_host for the physical port */
933 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
934 (role & BFA_LPORT_ROLE_FCP_IM)) {
935 if (bfad->pport.im_port == NULL) {
936 rc = BFA_STATUS_FAILED;
940 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
942 if (rc != BFA_STATUS_OK)
945 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
948 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
955 bfad_uncfg_pport(struct bfad_s *bfad)
957 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
958 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
959 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
960 bfad_im_port_clean(bfad->pport.im_port);
961 kfree(bfad->pport.im_port);
962 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
965 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
969 bfad_start_ops(struct bfad_s *bfad) {
973 struct bfad_vport_s *vport, *vport_new;
974 struct bfa_fcs_driver_info_s driver_info;
976 /* Limit min/max. xfer size to [64k-32MB] */
977 if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
978 max_xfer_size = BFAD_MIN_SECTORS >> 1;
979 if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
980 max_xfer_size = BFAD_MAX_SECTORS >> 1;
982 /* Fill the driver_info info to fcs*/
983 memset(&driver_info, 0, sizeof(driver_info));
984 strlcpy(driver_info.version, BFAD_DRIVER_VERSION,
985 sizeof(driver_info.version));
987 strlcpy(driver_info.host_machine_name, host_name,
988 sizeof(driver_info.host_machine_name));
990 strlcpy(driver_info.host_os_name, os_name,
991 sizeof(driver_info.host_os_name));
993 strlcpy(driver_info.host_os_patch, os_patch,
994 sizeof(driver_info.host_os_patch));
996 strlcpy(driver_info.os_device_name, bfad->pci_name,
997 sizeof(driver_info.os_device_name));
999 /* FCS driver info init */
1000 spin_lock_irqsave(&bfad->bfad_lock, flags);
1001 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
1003 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
1004 bfa_fcs_update_cfg(&bfad->bfa_fcs);
1006 bfa_fcs_init(&bfad->bfa_fcs);
1008 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1010 if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) {
1011 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
1012 if (retval != BFA_STATUS_OK)
1013 return BFA_STATUS_FAILED;
1016 /* Setup fc host fixed attribute if the lk supports */
1017 bfad_fc_host_init(bfad->pport.im_port);
1019 /* BFAD level FC4 IM specific resource allocation */
1020 retval = bfad_im_probe(bfad);
1021 if (retval != BFA_STATUS_OK) {
1022 printk(KERN_WARNING "bfad_im_probe failed\n");
1023 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1024 bfa_sm_set_state(bfad, bfad_sm_failed);
1025 return BFA_STATUS_FAILED;
1027 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1029 bfad_drv_start(bfad);
1031 /* Complete pbc vport create */
1032 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1034 struct fc_vport_identifiers vid;
1035 struct fc_vport *fc_vport;
1036 char pwwn_buf[BFA_STRING_32];
1038 memset(&vid, 0, sizeof(vid));
1039 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1040 vid.vport_type = FC_PORTTYPE_NPIV;
1041 vid.disable = false;
1042 vid.node_name = wwn_to_u64((u8 *)
1043 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1044 vid.port_name = wwn_to_u64((u8 *)
1045 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1046 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1048 wwn2str(pwwn_buf, vid.port_name);
1049 printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1050 " %s\n", bfad->inst_no, pwwn_buf);
1052 list_del(&vport->list_entry);
1057 * If bfa_linkup_delay is set to -1 default; try to retrive the
1058 * value using the bfad_get_linkup_delay(); else use the
1059 * passed in module param value as the bfa_linkup_delay.
1061 if (bfa_linkup_delay < 0) {
1062 bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1063 bfad_rport_online_wait(bfad);
1064 bfa_linkup_delay = -1;
1066 bfad_rport_online_wait(bfad);
1068 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
1070 return BFA_STATUS_OK;
1074 bfad_worker(void *ptr)
1076 struct bfad_s *bfad = ptr;
1077 unsigned long flags;
1079 if (kthread_should_stop())
1082 /* Send event BFAD_E_INIT_SUCCESS */
1083 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1085 spin_lock_irqsave(&bfad->bfad_lock, flags);
1086 bfad->bfad_tsk = NULL;
1087 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1093 * BFA driver interrupt functions
1096 bfad_intx(int irq, void *dev_id)
1098 struct bfad_s *bfad = dev_id;
1099 struct list_head doneq;
1100 unsigned long flags;
1103 spin_lock_irqsave(&bfad->bfad_lock, flags);
1104 rc = bfa_intx(&bfad->bfa);
1106 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1110 bfa_comp_deq(&bfad->bfa, &doneq);
1111 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1113 if (!list_empty(&doneq)) {
1114 bfa_comp_process(&bfad->bfa, &doneq);
1116 spin_lock_irqsave(&bfad->bfad_lock, flags);
1117 bfa_comp_free(&bfad->bfa, &doneq);
1118 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1126 bfad_msix(int irq, void *dev_id)
1128 struct bfad_msix_s *vec = dev_id;
1129 struct bfad_s *bfad = vec->bfad;
1130 struct list_head doneq;
1131 unsigned long flags;
1133 spin_lock_irqsave(&bfad->bfad_lock, flags);
1135 bfa_msix(&bfad->bfa, vec->msix.entry);
1136 bfa_comp_deq(&bfad->bfa, &doneq);
1137 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1139 if (!list_empty(&doneq)) {
1140 bfa_comp_process(&bfad->bfa, &doneq);
1142 spin_lock_irqsave(&bfad->bfad_lock, flags);
1143 bfa_comp_free(&bfad->bfa, &doneq);
1144 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1151 * Initialize the MSIX entry table.
1154 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1155 int mask, int max_bit)
1158 int match = 0x00000001;
1160 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1162 bfad->msix_tab[bfad->nvec].msix.entry = i;
1163 bfad->msix_tab[bfad->nvec].bfad = bfad;
1164 msix_entries[bfad->nvec].entry = i;
1174 bfad_install_msix_handler(struct bfad_s *bfad)
1178 for (i = 0; i < bfad->nvec; i++) {
1179 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1181 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1182 msix_name_cb[i] : msix_name_ct[i]));
1184 error = request_irq(bfad->msix_tab[i].msix.vector,
1185 (irq_handler_t) bfad_msix, 0,
1186 bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1188 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1192 for (j = 0; j < i; j++)
1193 free_irq(bfad->msix_tab[j].msix.vector,
1194 &bfad->msix_tab[j]);
1196 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1197 pci_disable_msix(bfad->pcidev);
1207 * Setup MSIX based interrupt.
1210 bfad_setup_intr(struct bfad_s *bfad)
1213 u32 mask = 0, i, num_bit = 0, max_bit = 0;
1214 struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1215 struct pci_dev *pdev = bfad->pcidev;
1218 /* Call BFA to get the msix map for this PCI function. */
1219 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1221 /* Set up the msix entry table */
1222 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1224 if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1225 (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
1227 error = pci_enable_msix_exact(bfad->pcidev,
1228 msix_entries, bfad->nvec);
1229 /* In CT1 & CT2, try to allocate just one vector */
1230 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
1231 printk(KERN_WARNING "bfa %s: trying one msix "
1232 "vector failed to allocate %d[%d]\n",
1233 bfad->pci_name, bfad->nvec, error);
1235 error = pci_enable_msix_exact(bfad->pcidev,
1240 printk(KERN_WARNING "bfad%d: "
1241 "pci_enable_msix_exact failed (%d), "
1242 "use line based.\n",
1243 bfad->inst_no, error);
1247 /* Disable INTX in MSI-X mode */
1248 pci_read_config_word(pdev, PCI_COMMAND, ®);
1250 if (!(reg & PCI_COMMAND_INTX_DISABLE))
1251 pci_write_config_word(pdev, PCI_COMMAND,
1252 reg | PCI_COMMAND_INTX_DISABLE);
1254 /* Save the vectors */
1255 for (i = 0; i < bfad->nvec; i++) {
1256 bfa_trc(bfad, msix_entries[i].vector);
1257 bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1260 bfa_msix_init(&bfad->bfa, bfad->nvec);
1262 bfad->bfad_flags |= BFAD_MSIX_ON;
1268 error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx,
1269 BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad);
1273 bfad->bfad_flags |= BFAD_INTX_ON;
1279 bfad_remove_intr(struct bfad_s *bfad)
1283 if (bfad->bfad_flags & BFAD_MSIX_ON) {
1284 for (i = 0; i < bfad->nvec; i++)
1285 free_irq(bfad->msix_tab[i].msix.vector,
1286 &bfad->msix_tab[i]);
1288 pci_disable_msix(bfad->pcidev);
1289 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1290 } else if (bfad->bfad_flags & BFAD_INTX_ON) {
1291 free_irq(bfad->pcidev->irq, bfad);
1299 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1301 struct bfad_s *bfad;
1302 int error = -ENODEV, retval, i;
1304 /* For single port cards - only claim function 0 */
1305 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1306 (PCI_FUNC(pdev->devfn) != 0))
1309 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1315 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1316 if (!bfad->trcmod) {
1317 printk(KERN_WARNING "Error alloc trace buffer!\n");
1319 goto out_alloc_trace_failure;
1323 bfa_trc_init(bfad->trcmod);
1324 bfa_trc(bfad, bfad_inst);
1327 INIT_LIST_HEAD(&bfad->free_aen_q);
1328 INIT_LIST_HEAD(&bfad->active_aen_q);
1329 for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1330 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1332 if (!(bfad_load_fwimg(pdev))) {
1333 kfree(bfad->trcmod);
1334 goto out_alloc_trace_failure;
1337 retval = bfad_pci_init(pdev, bfad);
1339 printk(KERN_WARNING "bfad_pci_init failure!\n");
1341 goto out_pci_init_failure;
1344 mutex_lock(&bfad_mutex);
1345 bfad->inst_no = bfad_inst++;
1346 list_add_tail(&bfad->list_entry, &bfad_list);
1347 mutex_unlock(&bfad_mutex);
1349 /* Initializing the state machine: State set to uninit */
1350 bfa_sm_set_state(bfad, bfad_sm_uninit);
1352 spin_lock_init(&bfad->bfad_lock);
1353 spin_lock_init(&bfad->bfad_aen_spinlock);
1355 pci_set_drvdata(pdev, bfad);
1357 bfad->ref_count = 0;
1358 bfad->pport.bfad = bfad;
1359 INIT_LIST_HEAD(&bfad->pbc_vport_list);
1360 INIT_LIST_HEAD(&bfad->vport_list);
1362 /* Setup the debugfs node for this bfad */
1363 if (bfa_debugfs_enable)
1364 bfad_debugfs_init(&bfad->pport);
1366 retval = bfad_drv_init(bfad);
1367 if (retval != BFA_STATUS_OK)
1368 goto out_drv_init_failure;
1370 bfa_sm_send_event(bfad, BFAD_E_CREATE);
1372 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1373 goto out_bfad_sm_failure;
1377 out_bfad_sm_failure:
1378 bfad_hal_mem_release(bfad);
1379 out_drv_init_failure:
1380 /* Remove the debugfs node for this bfad */
1381 kfree(bfad->regdata);
1382 bfad_debugfs_exit(&bfad->pport);
1383 mutex_lock(&bfad_mutex);
1385 list_del(&bfad->list_entry);
1386 mutex_unlock(&bfad_mutex);
1387 bfad_pci_uninit(pdev, bfad);
1388 out_pci_init_failure:
1389 kfree(bfad->trcmod);
1390 out_alloc_trace_failure:
1400 bfad_pci_remove(struct pci_dev *pdev)
1402 struct bfad_s *bfad = pci_get_drvdata(pdev);
1403 unsigned long flags;
1405 bfa_trc(bfad, bfad->inst_no);
1407 spin_lock_irqsave(&bfad->bfad_lock, flags);
1408 if (bfad->bfad_tsk != NULL) {
1409 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1410 kthread_stop(bfad->bfad_tsk);
1412 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1415 /* Send Event BFAD_E_STOP */
1416 bfa_sm_send_event(bfad, BFAD_E_STOP);
1418 /* Driver detach and dealloc mem */
1419 spin_lock_irqsave(&bfad->bfad_lock, flags);
1420 bfa_detach(&bfad->bfa);
1421 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1422 bfad_hal_mem_release(bfad);
1424 /* Remove the debugfs node for this bfad */
1425 kfree(bfad->regdata);
1426 bfad_debugfs_exit(&bfad->pport);
1428 /* Cleaning the BFAD instance */
1429 mutex_lock(&bfad_mutex);
1431 list_del(&bfad->list_entry);
1432 mutex_unlock(&bfad_mutex);
1433 bfad_pci_uninit(pdev, bfad);
1435 kfree(bfad->trcmod);
1440 * PCI Error Recovery entry, error detected.
1442 static pci_ers_result_t
1443 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1445 struct bfad_s *bfad = pci_get_drvdata(pdev);
1446 unsigned long flags;
1447 pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1449 dev_printk(KERN_ERR, &pdev->dev,
1450 "error detected state: %d - flags: 0x%x\n",
1451 state, bfad->bfad_flags);
1454 case pci_channel_io_normal: /* non-fatal error */
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 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1460 del_timer_sync(&bfad->hal_tmo);
1461 ret = PCI_ERS_RESULT_CAN_RECOVER;
1463 case pci_channel_io_frozen: /* fatal error */
1464 init_completion(&bfad->comp);
1465 spin_lock_irqsave(&bfad->bfad_lock, flags);
1466 bfad->bfad_flags |= BFAD_EEH_BUSY;
1467 /* Suspend/fail all bfa operations */
1468 bfa_ioc_suspend(&bfad->bfa.ioc);
1469 bfa_fcs_stop(&bfad->bfa_fcs);
1470 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1471 wait_for_completion(&bfad->comp);
1473 bfad_remove_intr(bfad);
1474 del_timer_sync(&bfad->hal_tmo);
1475 pci_disable_device(pdev);
1476 ret = PCI_ERS_RESULT_NEED_RESET;
1478 case pci_channel_io_perm_failure: /* PCI Card is DEAD */
1479 spin_lock_irqsave(&bfad->bfad_lock, flags);
1480 bfad->bfad_flags |= BFAD_EEH_BUSY |
1481 BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1482 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1484 /* If the error_detected handler is called with the reason
1485 * pci_channel_io_perm_failure - it will subsequently call
1486 * pci_remove() entry point to remove the pci device from the
1487 * system - So defer the cleanup to pci_remove(); cleaning up
1488 * here causes inconsistent state during pci_remove().
1490 ret = PCI_ERS_RESULT_DISCONNECT;
1500 restart_bfa(struct bfad_s *bfad)
1502 unsigned long flags;
1503 struct pci_dev *pdev = bfad->pcidev;
1505 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1506 &bfad->meminfo, &bfad->hal_pcidev);
1508 /* Enable Interrupt and wait bfa_init completion */
1509 if (bfad_setup_intr(bfad)) {
1510 dev_printk(KERN_WARNING, &pdev->dev,
1511 "%s: bfad_setup_intr failed\n", bfad->pci_name);
1512 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
1516 init_completion(&bfad->comp);
1517 spin_lock_irqsave(&bfad->bfad_lock, flags);
1518 bfa_iocfc_init(&bfad->bfa);
1519 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1521 /* Set up interrupt handler for each vectors */
1522 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1523 bfad_install_msix_handler(bfad))
1524 dev_printk(KERN_WARNING, &pdev->dev,
1525 "%s: install_msix failed.\n", bfad->pci_name);
1527 bfad_init_timer(bfad);
1528 wait_for_completion(&bfad->comp);
1529 bfad_drv_start(bfad);
1535 * PCI Error Recovery entry, re-initialize the chip.
1537 static pci_ers_result_t
1538 bfad_pci_slot_reset(struct pci_dev *pdev)
1540 struct bfad_s *bfad = pci_get_drvdata(pdev);
1543 dev_printk(KERN_ERR, &pdev->dev,
1544 "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1546 if (pci_enable_device(pdev)) {
1547 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1548 "PCI device after reset.\n");
1549 return PCI_ERS_RESULT_DISCONNECT;
1552 pci_restore_state(pdev);
1555 * Read some byte (e.g. DMA max. payload size which can't
1556 * be 0xff any time) to make sure - we did not hit another PCI error
1557 * in the middle of recovery. If we did, then declare permanent failure.
1559 pci_read_config_byte(pdev, 0x68, &byte);
1561 dev_printk(KERN_ERR, &pdev->dev,
1562 "slot_reset failed ... got another PCI error !\n");
1563 goto out_disable_device;
1566 pci_save_state(pdev);
1567 pci_set_master(pdev);
1569 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(64)) != 0)
1570 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(32)) != 0)
1571 goto out_disable_device;
1573 pci_cleanup_aer_uncorrect_error_status(pdev);
1575 if (restart_bfa(bfad) == -1)
1576 goto out_disable_device;
1578 pci_enable_pcie_error_reporting(pdev);
1579 dev_printk(KERN_WARNING, &pdev->dev,
1580 "slot_reset completed flags: 0x%x!\n", bfad->bfad_flags);
1582 return PCI_ERS_RESULT_RECOVERED;
1585 pci_disable_device(pdev);
1586 return PCI_ERS_RESULT_DISCONNECT;
1589 static pci_ers_result_t
1590 bfad_pci_mmio_enabled(struct pci_dev *pdev)
1592 unsigned long flags;
1593 struct bfad_s *bfad = pci_get_drvdata(pdev);
1595 dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1597 /* Fetch FW diagnostic information */
1598 bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1600 /* Cancel all pending IOs */
1601 spin_lock_irqsave(&bfad->bfad_lock, flags);
1602 init_completion(&bfad->comp);
1603 bfa_fcs_stop(&bfad->bfa_fcs);
1604 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1605 wait_for_completion(&bfad->comp);
1607 bfad_remove_intr(bfad);
1608 del_timer_sync(&bfad->hal_tmo);
1609 pci_disable_device(pdev);
1611 return PCI_ERS_RESULT_NEED_RESET;
1615 bfad_pci_resume(struct pci_dev *pdev)
1617 unsigned long flags;
1618 struct bfad_s *bfad = pci_get_drvdata(pdev);
1620 dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1622 /* wait until the link is online */
1623 bfad_rport_online_wait(bfad);
1625 spin_lock_irqsave(&bfad->bfad_lock, flags);
1626 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1627 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1630 struct pci_device_id bfad_id_table[] = {
1632 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1633 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1634 .subvendor = PCI_ANY_ID,
1635 .subdevice = PCI_ANY_ID,
1638 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1639 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1640 .subvendor = PCI_ANY_ID,
1641 .subdevice = PCI_ANY_ID,
1644 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1645 .device = BFA_PCI_DEVICE_ID_CT,
1646 .subvendor = PCI_ANY_ID,
1647 .subdevice = PCI_ANY_ID,
1648 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1652 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1653 .device = BFA_PCI_DEVICE_ID_CT_FC,
1654 .subvendor = PCI_ANY_ID,
1655 .subdevice = PCI_ANY_ID,
1656 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1660 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1661 .device = BFA_PCI_DEVICE_ID_CT2,
1662 .subvendor = PCI_ANY_ID,
1663 .subdevice = PCI_ANY_ID,
1664 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1669 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1670 .device = BFA_PCI_DEVICE_ID_CT2_QUAD,
1671 .subvendor = PCI_ANY_ID,
1672 .subdevice = PCI_ANY_ID,
1673 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1679 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1682 * PCI error recovery handlers.
1684 static struct pci_error_handlers bfad_err_handler = {
1685 .error_detected = bfad_pci_error_detected,
1686 .slot_reset = bfad_pci_slot_reset,
1687 .mmio_enabled = bfad_pci_mmio_enabled,
1688 .resume = bfad_pci_resume,
1691 static struct pci_driver bfad_pci_driver = {
1692 .name = BFAD_DRIVER_NAME,
1693 .id_table = bfad_id_table,
1694 .probe = bfad_pci_probe,
1695 .remove = bfad_pci_remove,
1696 .err_handler = &bfad_err_handler,
1700 * Driver module init.
1707 pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n",
1708 BFAD_DRIVER_VERSION);
1711 num_sgpgs_parm = num_sgpgs;
1713 error = bfad_im_module_init();
1716 printk(KERN_WARNING "bfad_im_module_init failure\n");
1720 if (strcmp(FCPI_NAME, " fcpim") == 0)
1721 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1723 bfa_auto_recover = ioc_auto_recover;
1724 bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1725 bfa_fcs_rport_set_max_logins(max_rport_logins);
1727 error = pci_register_driver(&bfad_pci_driver);
1729 printk(KERN_WARNING "pci_register_driver failure\n");
1736 bfad_im_module_exit();
1741 * Driver module exit.
1746 pci_unregister_driver(&bfad_pci_driver);
1747 bfad_im_module_exit();
1751 /* Firmware handling */
1753 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1754 u32 *bfi_image_size, char *fw_name)
1756 const struct firmware *fw;
1758 if (reject_firmware(&fw, fw_name, &pdev->dev)) {
1759 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1764 *bfi_image = vmalloc(fw->size);
1765 if (NULL == *bfi_image) {
1766 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1767 "size=%x!\n", (u32) fw->size);
1771 memcpy(*bfi_image, fw->data, fw->size);
1772 *bfi_image_size = fw->size/sizeof(u32);
1774 release_firmware(fw);
1778 bfad_load_fwimg(struct pci_dev *pdev)
1780 if (bfa_asic_id_ct2(pdev->device)) {
1781 if (bfi_image_ct2_size == 0)
1782 bfad_read_firmware(pdev, &bfi_image_ct2,
1783 &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1784 return bfi_image_ct2;
1785 } else if (bfa_asic_id_ct(pdev->device)) {
1786 if (bfi_image_ct_size == 0)
1787 bfad_read_firmware(pdev, &bfi_image_ct,
1788 &bfi_image_ct_size, BFAD_FW_FILE_CT);
1789 return bfi_image_ct;
1790 } else if (bfa_asic_id_cb(pdev->device)) {
1791 if (bfi_image_cb_size == 0)
1792 bfad_read_firmware(pdev, &bfi_image_cb,
1793 &bfi_image_cb_size, BFAD_FW_FILE_CB);
1794 return bfi_image_cb;
1801 bfad_free_fwimg(void)
1803 if (bfi_image_ct2_size && bfi_image_ct2)
1804 vfree(bfi_image_ct2);
1805 if (bfi_image_ct_size && bfi_image_ct)
1806 vfree(bfi_image_ct);
1807 if (bfi_image_cb_size && bfi_image_cb)
1808 vfree(bfi_image_cb);
1811 module_init(bfad_init);
1812 module_exit(bfad_exit);
1813 MODULE_LICENSE("GPL");
1814 MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1815 MODULE_AUTHOR("QLogic Corporation");
1816 MODULE_VERSION(BFAD_DRIVER_VERSION);