2 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
19 * bfad.c Linux driver PCI interface module.
22 #include <linux/module.h>
26 #include "bfad_ipfc.h"
27 #include "bfad_trcmod.h"
28 #include <fcb/bfa_fcb_vf.h>
29 #include <fcb/bfa_fcb_rport.h>
30 #include <fcb/bfa_fcb_port.h>
31 #include <fcb/bfa_fcb.h>
33 BFA_TRC_FILE(LDRV, BFAD);
34 static DEFINE_MUTEX(bfad_mutex);
37 int bfad_supported_fc4s;
39 static char *host_name;
41 static char *os_patch;
42 static int num_rports;
46 static int num_ufbufs;
50 static int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
51 static int bfa_io_max_sge = BFAD_IO_MAX_SGE;
52 static int log_level = BFA_LOG_WARNING;
53 static int ioc_auto_recover = BFA_TRUE;
54 static int ipfc_enable = BFA_FALSE;
55 static int ipfc_mtu = -1;
56 int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
57 int bfa_linkup_delay = -1;
59 module_param(os_name, charp, S_IRUGO | S_IWUSR);
60 module_param(os_patch, charp, S_IRUGO | S_IWUSR);
61 module_param(host_name, charp, S_IRUGO | S_IWUSR);
62 module_param(num_rports, int, S_IRUGO | S_IWUSR);
63 module_param(num_ios, int, S_IRUGO | S_IWUSR);
64 module_param(num_tms, int, S_IRUGO | S_IWUSR);
65 module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
66 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
67 module_param(reqq_size, int, S_IRUGO | S_IWUSR);
68 module_param(rspq_size, int, S_IRUGO | S_IWUSR);
69 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
70 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
71 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
72 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
73 module_param(log_level, int, S_IRUGO | S_IWUSR);
74 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
75 module_param(ipfc_enable, int, S_IRUGO | S_IWUSR);
76 module_param(ipfc_mtu, int, S_IRUGO | S_IWUSR);
77 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
80 * Stores the module parm num_sgpgs value;
81 * used to reset for bfad next instance.
83 static int num_sgpgs_parm;
86 bfad_fc4_probe(struct bfad_s *bfad)
90 rc = bfad_im_probe(bfad);
91 if (rc != BFA_STATUS_OK)
97 bfad_ipfc_probe(bfad);
103 bfad_fc4_probe_undo(struct bfad_s *bfad)
105 bfad_im_probe_undo(bfad);
106 bfad_tm_probe_undo(bfad);
108 bfad_ipfc_probe_undo(bfad);
112 bfad_fc4_probe_post(struct bfad_s *bfad)
115 bfad_im_probe_post(bfad->im);
117 bfad_tm_probe_post(bfad);
119 bfad_ipfc_probe_post(bfad);
123 bfad_fc4_port_new(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
125 int rc = BFA_STATUS_FAILED;
127 if (roles & BFA_PORT_ROLE_FCP_IM)
128 rc = bfad_im_port_new(bfad, port);
129 if (rc != BFA_STATUS_OK)
132 if (roles & BFA_PORT_ROLE_FCP_TM)
133 rc = bfad_tm_port_new(bfad, port);
134 if (rc != BFA_STATUS_OK)
137 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
138 rc = bfad_ipfc_port_new(bfad, port, port->pvb_type);
144 bfad_fc4_port_delete(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
146 if (roles & BFA_PORT_ROLE_FCP_IM)
147 bfad_im_port_delete(bfad, port);
149 if (roles & BFA_PORT_ROLE_FCP_TM)
150 bfad_tm_port_delete(bfad, port);
152 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
153 bfad_ipfc_port_delete(bfad, port);
160 bfad_hcb_comp(void *arg, bfa_status_t status)
162 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
164 fcomp->status = status;
165 complete(&fcomp->comp);
172 bfa_cb_init(void *drv, bfa_status_t init_status)
174 struct bfad_s *bfad = drv;
176 if (init_status == BFA_STATUS_OK)
177 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
179 complete(&bfad->comp);
187 static struct bfad_port_s *
188 bfad_get_drv_port(struct bfad_s *bfad, struct bfad_vf_s *vf_drv,
189 struct bfad_vport_s *vp_drv)
191 return (vp_drv) ? (&(vp_drv)->drv_port)
192 : ((vf_drv) ? (&(vf_drv)->base_port) : (&(bfad)->pport));
196 bfa_fcb_port_new(struct bfad_s *bfad, struct bfa_fcs_port_s *port,
197 enum bfa_port_role roles, struct bfad_vf_s *vf_drv,
198 struct bfad_vport_s *vp_drv)
201 struct bfad_port_s *port_drv;
203 if (!vp_drv && !vf_drv) {
204 port_drv = &bfad->pport;
205 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
206 } else if (!vp_drv && vf_drv) {
207 port_drv = &vf_drv->base_port;
208 port_drv->pvb_type = BFAD_PORT_VF_BASE;
209 } else if (vp_drv && !vf_drv) {
210 port_drv = &vp_drv->drv_port;
211 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
213 port_drv = &vp_drv->drv_port;
214 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
217 port_drv->fcs_port = port;
218 port_drv->roles = roles;
219 rc = bfad_fc4_port_new(bfad, port_drv, roles);
220 if (rc != BFA_STATUS_OK) {
221 bfad_fc4_port_delete(bfad, port_drv, roles);
229 bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles,
230 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
232 struct bfad_port_s *port_drv;
235 * this will be only called from rmmod context
237 if (vp_drv && !vp_drv->comp_del) {
238 port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
239 bfa_trc(bfad, roles);
240 bfad_fc4_port_delete(bfad, port_drv, roles);
245 bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles,
246 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
248 struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
250 if (roles & BFA_PORT_ROLE_FCP_IM)
251 bfad_im_port_online(bfad, port_drv);
253 if (roles & BFA_PORT_ROLE_FCP_TM)
254 bfad_tm_port_online(bfad, port_drv);
256 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
257 bfad_ipfc_port_online(bfad, port_drv);
259 bfad->bfad_flags |= BFAD_PORT_ONLINE;
263 bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles,
264 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
266 struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
268 if (roles & BFA_PORT_ROLE_FCP_IM)
269 bfad_im_port_offline(bfad, port_drv);
271 if (roles & BFA_PORT_ROLE_FCP_TM)
272 bfad_tm_port_offline(bfad, port_drv);
274 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
275 bfad_ipfc_port_offline(bfad, port_drv);
279 bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv)
281 if (vport_drv->comp_del) {
282 complete(vport_drv->comp_del);
290 * FCS RPORT alloc callback, after successful PLOGI by FCS
293 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
294 struct bfad_rport_s **rport_drv)
296 bfa_status_t rc = BFA_STATUS_OK;
298 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
299 if (*rport_drv == NULL) {
300 rc = BFA_STATUS_ENOMEM;
304 *rport = &(*rport_drv)->fcs_rport;
313 bfad_hal_mem_release(struct bfad_s *bfad)
316 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
317 struct bfa_mem_elem_s *meminfo_elem;
319 for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
320 meminfo_elem = &hal_meminfo->meminfo[i];
321 if (meminfo_elem->kva != NULL) {
322 switch (meminfo_elem->mem_type) {
323 case BFA_MEM_TYPE_KVA:
324 vfree(meminfo_elem->kva);
326 case BFA_MEM_TYPE_DMA:
327 dma_free_coherent(&bfad->pcidev->dev,
328 meminfo_elem->mem_len,
330 (dma_addr_t) meminfo_elem->dma);
339 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
343 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
346 bfa_cfg->fwcfg.num_rports = num_rports;
348 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
350 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
352 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
354 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
356 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
358 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
360 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
363 * populate the hal values back to the driver for sysfs use.
364 * otherwise, the default values will be shown as 0 in sysfs
366 num_rports = bfa_cfg->fwcfg.num_rports;
367 num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
368 num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
369 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
370 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
371 reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
372 rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
373 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
377 bfad_hal_mem_alloc(struct bfad_s *bfad)
379 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
380 struct bfa_mem_elem_s *meminfo_elem;
381 bfa_status_t rc = BFA_STATUS_OK;
382 dma_addr_t phys_addr;
385 int min_num_sgpgs = 512;
389 bfa_cfg_get_default(&bfad->ioc_cfg);
392 bfad_update_hal_cfg(&bfad->ioc_cfg);
393 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
394 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo);
396 for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
397 meminfo_elem = &hal_meminfo->meminfo[i];
398 switch (meminfo_elem->mem_type) {
399 case BFA_MEM_TYPE_KVA:
400 kva = vmalloc(meminfo_elem->mem_len);
402 bfad_hal_mem_release(bfad);
403 rc = BFA_STATUS_ENOMEM;
406 memset(kva, 0, meminfo_elem->mem_len);
407 meminfo_elem->kva = kva;
409 case BFA_MEM_TYPE_DMA:
410 kva = dma_alloc_coherent(&bfad->pcidev->dev,
411 meminfo_elem->mem_len,
412 &phys_addr, GFP_KERNEL);
414 bfad_hal_mem_release(bfad);
416 * If we cannot allocate with default
417 * num_sgpages try with half the value.
419 if (num_sgpgs > min_num_sgpgs) {
420 printk(KERN_INFO "bfad[%d]: memory"
421 " allocation failed with"
423 bfad->inst_no, num_sgpgs);
424 nextLowerInt(&num_sgpgs);
425 printk(KERN_INFO "bfad[%d]: trying to"
426 " allocate memory with"
428 bfad->inst_no, num_sgpgs);
432 if (num_sgpgs_parm > 0)
433 num_sgpgs = num_sgpgs_parm;
437 num_sgpgs *= reset_value;
439 rc = BFA_STATUS_ENOMEM;
444 if (num_sgpgs_parm > 0)
445 num_sgpgs = num_sgpgs_parm;
447 reset_value = (1 << retry_count);
448 num_sgpgs *= reset_value;
451 memset(kva, 0, meminfo_elem->mem_len);
452 meminfo_elem->kva = kva;
453 meminfo_elem->dma = phys_addr;
465 * Create a vport under a vf.
468 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
469 struct bfa_port_cfg_s *port_cfg)
471 struct bfad_vport_s *vport;
472 int rc = BFA_STATUS_OK;
474 struct completion fcomp;
476 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
478 rc = BFA_STATUS_ENOMEM;
482 vport->drv_port.bfad = bfad;
483 spin_lock_irqsave(&bfad->bfad_lock, flags);
484 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
486 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
488 if (rc != BFA_STATUS_OK)
491 if (port_cfg->roles & BFA_PORT_ROLE_FCP_IM) {
492 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port);
493 if (rc != BFA_STATUS_OK)
494 goto ext_free_fcs_vport;
497 spin_lock_irqsave(&bfad->bfad_lock, flags);
498 bfa_fcs_vport_start(&vport->fcs_vport);
499 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
501 return BFA_STATUS_OK;
504 spin_lock_irqsave(&bfad->bfad_lock, flags);
505 vport->comp_del = &fcomp;
506 init_completion(vport->comp_del);
507 bfa_fcs_vport_delete(&vport->fcs_vport);
508 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
509 wait_for_completion(vport->comp_del);
517 * Create a vf and its base vport implicitely.
520 bfad_vf_create(struct bfad_s *bfad, u16 vf_id,
521 struct bfa_port_cfg_s *port_cfg)
523 struct bfad_vf_s *vf;
524 int rc = BFA_STATUS_OK;
526 vf = kzalloc(sizeof(struct bfad_vf_s), GFP_KERNEL);
528 rc = BFA_STATUS_FAILED;
532 rc = bfa_fcs_vf_create(&vf->fcs_vf, &bfad->bfa_fcs, vf_id, port_cfg,
534 if (rc != BFA_STATUS_OK)
541 bfad_bfa_tmo(unsigned long data)
543 struct bfad_s *bfad = (struct bfad_s *)data;
545 struct list_head doneq;
547 spin_lock_irqsave(&bfad->bfad_lock, flags);
549 bfa_timer_tick(&bfad->bfa);
551 bfa_comp_deq(&bfad->bfa, &doneq);
552 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
554 if (!list_empty(&doneq)) {
555 bfa_comp_process(&bfad->bfa, &doneq);
556 spin_lock_irqsave(&bfad->bfad_lock, flags);
557 bfa_comp_free(&bfad->bfa, &doneq);
558 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
561 mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
565 bfad_init_timer(struct bfad_s *bfad)
567 init_timer(&bfad->hal_tmo);
568 bfad->hal_tmo.function = bfad_bfa_tmo;
569 bfad->hal_tmo.data = (unsigned long)bfad;
571 mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
575 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
577 unsigned long bar0_len;
580 if (pci_enable_device(pdev)) {
581 BFA_PRINTF(BFA_ERR, "pci_enable_device fail %p\n", pdev);
585 if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
586 goto out_disable_device;
588 pci_set_master(pdev);
591 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)
592 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) {
593 BFA_PRINTF(BFA_ERR, "pci_set_dma_mask fail %p\n", pdev);
594 goto out_release_region;
597 bfad->pci_bar0_map = pci_resource_start(pdev, 0);
598 bar0_len = pci_resource_len(pdev, 0);
599 bfad->pci_bar0_kva = ioremap(bfad->pci_bar0_map, bar0_len);
601 if (bfad->pci_bar0_kva == NULL) {
602 BFA_PRINTF(BFA_ERR, "Fail to map bar0\n");
603 goto out_release_region;
606 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
607 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
608 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
609 bfad->hal_pcidev.device_id = pdev->device;
610 bfad->pci_name = pci_name(pdev);
612 bfad->pci_attr.vendor_id = pdev->vendor;
613 bfad->pci_attr.device_id = pdev->device;
614 bfad->pci_attr.ssid = pdev->subsystem_device;
615 bfad->pci_attr.ssvid = pdev->subsystem_vendor;
616 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
622 pci_release_regions(pdev);
624 pci_disable_device(pdev);
630 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
632 #if defined(__ia64__)
633 pci_iounmap(pdev, bfad->pci_bar0_kva);
635 iounmap(bfad->pci_bar0_kva);
637 pci_release_regions(pdev);
638 pci_disable_device(pdev);
639 pci_set_drvdata(pdev, NULL);
643 bfad_fcs_port_cfg(struct bfad_s *bfad)
645 struct bfa_port_cfg_s port_cfg;
646 struct bfa_pport_attr_s attr;
647 char symname[BFA_SYMNAME_MAXLEN];
649 sprintf(symname, "%s-%d", BFAD_DRIVER_NAME, bfad->inst_no);
650 memcpy(port_cfg.sym_name.symname, symname, strlen(symname));
651 bfa_pport_get_attr(&bfad->bfa, &attr);
652 port_cfg.nwwn = attr.nwwn;
653 port_cfg.pwwn = attr.pwwn;
655 bfa_fcs_cfg_base_port(&bfad->bfa_fcs, &port_cfg);
659 bfad_drv_init(struct bfad_s *bfad)
663 struct bfa_fcs_driver_info_s driver_info;
666 bfad->cfg_data.rport_del_timeout = rport_del_timeout;
667 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
668 bfad->cfg_data.io_max_sge = bfa_io_max_sge;
669 bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
671 rc = bfad_hal_mem_alloc(bfad);
672 if (rc != BFA_STATUS_OK) {
673 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
676 "Not enough memory to attach all Brocade HBA ports,"
677 " System may need more memory.\n");
678 goto out_hal_mem_alloc_failure;
681 bfa_init_log(&bfad->bfa, bfad->logmod);
682 bfa_init_trc(&bfad->bfa, bfad->trcmod);
683 bfa_init_aen(&bfad->bfa, bfad->aen);
684 INIT_LIST_HEAD(&bfad->file_q);
685 INIT_LIST_HEAD(&bfad->file_free_q);
686 for (i = 0; i < BFAD_AEN_MAX_APPS; i++) {
687 bfa_q_qe_init(&bfad->file_buf[i].qe);
688 list_add_tail(&bfad->file_buf[i].qe, &bfad->file_free_q);
690 bfa_init_plog(&bfad->bfa, &bfad->plog_buf);
691 bfa_plog_init(&bfad->plog_buf);
692 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
695 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
698 init_completion(&bfad->comp);
701 * Enable Interrupt and wait bfa_init completion
703 if (bfad_setup_intr(bfad)) {
704 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
706 goto out_setup_intr_failure;
709 spin_lock_irqsave(&bfad->bfad_lock, flags);
710 bfa_init(&bfad->bfa);
711 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
714 * Set up interrupt handler for each vectors
716 if ((bfad->bfad_flags & BFAD_MSIX_ON)
717 && bfad_install_msix_handler(bfad)) {
718 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
719 __func__, bfad->inst_no);
722 bfad_init_timer(bfad);
724 wait_for_completion(&bfad->comp);
726 memset(&driver_info, 0, sizeof(driver_info));
727 strncpy(driver_info.version, BFAD_DRIVER_VERSION,
728 sizeof(driver_info.version) - 1);
730 strncpy(driver_info.host_machine_name, host_name,
731 sizeof(driver_info.host_machine_name) - 1);
733 strncpy(driver_info.host_os_name, os_name,
734 sizeof(driver_info.host_os_name) - 1);
736 strncpy(driver_info.host_os_patch, os_patch,
737 sizeof(driver_info.host_os_patch) - 1);
739 strncpy(driver_info.os_device_name, bfad->pci_name,
740 sizeof(driver_info.os_device_name - 1));
745 spin_lock_irqsave(&bfad->bfad_lock, flags);
746 bfa_fcs_log_init(&bfad->bfa_fcs, bfad->logmod);
747 bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod);
748 bfa_fcs_aen_init(&bfad->bfa_fcs, bfad->aen);
749 bfa_fcs_init(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
750 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
751 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
753 bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
754 return BFA_STATUS_OK;
756 out_setup_intr_failure:
757 bfa_detach(&bfad->bfa);
758 bfad_hal_mem_release(bfad);
759 out_hal_mem_alloc_failure:
760 return BFA_STATUS_FAILED;
764 bfad_drv_uninit(struct bfad_s *bfad)
766 del_timer_sync(&bfad->hal_tmo);
767 bfa_isr_disable(&bfad->bfa);
768 bfa_detach(&bfad->bfa);
769 bfad_remove_intr(bfad);
770 bfa_assert(list_empty(&bfad->file_q));
771 bfad_hal_mem_release(bfad);
775 bfad_drv_start(struct bfad_s *bfad)
779 spin_lock_irqsave(&bfad->bfad_lock, flags);
780 bfa_start(&bfad->bfa);
781 bfa_fcs_start(&bfad->bfa_fcs);
782 bfad->bfad_flags |= BFAD_HAL_START_DONE;
783 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
785 bfad_fc4_probe_post(bfad);
789 bfad_drv_stop(struct bfad_s *bfad)
793 spin_lock_irqsave(&bfad->bfad_lock, flags);
794 init_completion(&bfad->comp);
795 bfad->pport.flags |= BFAD_PORT_DELETE;
796 bfa_fcs_exit(&bfad->bfa_fcs);
797 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
798 wait_for_completion(&bfad->comp);
800 spin_lock_irqsave(&bfad->bfad_lock, flags);
801 init_completion(&bfad->comp);
802 bfa_stop(&bfad->bfa);
803 bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
804 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
805 wait_for_completion(&bfad->comp);
809 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role)
811 int rc = BFA_STATUS_OK;
814 * Allocate scsi_host for the physical port
816 if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM)
817 && (role & BFA_PORT_ROLE_FCP_IM)) {
818 if (bfad->pport.im_port == NULL) {
819 rc = BFA_STATUS_FAILED;
823 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port);
824 if (rc != BFA_STATUS_OK)
827 bfad->pport.roles |= BFA_PORT_ROLE_FCP_IM;
830 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
837 bfad_uncfg_pport(struct bfad_s *bfad)
839 if ((bfad->pport.roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) {
840 bfad_ipfc_port_delete(bfad, &bfad->pport);
841 bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IPFC;
844 if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM)
845 && (bfad->pport.roles & BFA_PORT_ROLE_FCP_IM)) {
846 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
847 bfad_im_port_clean(bfad->pport.im_port);
848 kfree(bfad->pport.im_port);
849 bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IM;
852 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
856 bfad_drv_log_level_set(struct bfad_s *bfad)
858 if (log_level > BFA_LOG_INVALID && log_level <= BFA_LOG_LEVEL_MAX)
859 bfa_log_set_level_all(&bfad->log_data, log_level);
863 * PCI_entry PCI driver entries * {
870 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
873 int error = -ENODEV, retval;
877 * For single port cards - only claim function 0
879 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P)
880 && (PCI_FUNC(pdev->devfn) != 0))
883 BFA_TRACE(BFA_INFO, "bfad_pci_probe entry");
885 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
891 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
893 printk(KERN_WARNING "Error alloc trace buffer!\n");
895 goto out_alloc_trace_failure;
901 bfa_trc_init(bfad->trcmod);
902 bfa_trc(bfad, bfad_inst);
904 bfad->logmod = &bfad->log_data;
905 sprintf(buf, "%d", bfad_inst);
906 bfa_log_init(bfad->logmod, buf, bfa_os_printf);
908 bfad_drv_log_level_set(bfad);
910 bfad->aen = &bfad->aen_buf;
912 if (!(bfad_load_fwimg(pdev))) {
913 printk(KERN_WARNING "bfad_load_fwimg failure!\n");
915 goto out_alloc_trace_failure;
918 retval = bfad_pci_init(pdev, bfad);
920 printk(KERN_WARNING "bfad_pci_init failure!\n");
922 goto out_pci_init_failure;
925 mutex_lock(&bfad_mutex);
926 bfad->inst_no = bfad_inst++;
927 list_add_tail(&bfad->list_entry, &bfad_list);
928 mutex_unlock(&bfad_mutex);
930 spin_lock_init(&bfad->bfad_lock);
931 pci_set_drvdata(pdev, bfad);
934 bfad->pport.bfad = bfad;
936 retval = bfad_drv_init(bfad);
937 if (retval != BFA_STATUS_OK)
938 goto out_drv_init_failure;
939 if (!(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
940 printk(KERN_WARNING "bfad%d: hal init failed\n", bfad->inst_no);
947 bfad_fcs_port_cfg(bfad);
949 retval = bfad_cfg_pport(bfad, BFA_PORT_ROLE_FCP_IM);
950 if (retval != BFA_STATUS_OK)
951 goto out_cfg_pport_failure;
954 * BFAD level FC4 (IM/TM/IPFC) specific resource allocation
956 retval = bfad_fc4_probe(bfad);
957 if (retval != BFA_STATUS_OK) {
958 printk(KERN_WARNING "bfad_fc4_probe failed\n");
959 goto out_fc4_probe_failure;
962 bfad_drv_start(bfad);
965 * If bfa_linkup_delay is set to -1 default; try to retrive the
966 * value using the bfad_os_get_linkup_delay(); else use the
967 * passed in module param value as the bfa_linkup_delay.
969 if (bfa_linkup_delay < 0) {
970 bfa_linkup_delay = bfad_os_get_linkup_delay(bfad);
971 bfad_os_rport_online_wait(bfad);
972 bfa_linkup_delay = -1;
974 bfad_os_rport_online_wait(bfad);
977 bfa_log(bfad->logmod, BFA_LOG_LINUX_DEVICE_CLAIMED, bfad->pci_name);
981 out_fc4_probe_failure:
982 bfad_fc4_probe_undo(bfad);
983 bfad_uncfg_pport(bfad);
984 out_cfg_pport_failure:
985 bfad_drv_uninit(bfad);
986 out_drv_init_failure:
987 mutex_lock(&bfad_mutex);
989 list_del(&bfad->list_entry);
990 mutex_unlock(&bfad_mutex);
991 bfad_pci_uninit(pdev, bfad);
992 out_pci_init_failure:
994 out_alloc_trace_failure:
1004 bfad_pci_remove(struct pci_dev *pdev)
1006 struct bfad_s *bfad = pci_get_drvdata(pdev);
1007 unsigned long flags;
1009 bfa_trc(bfad, bfad->inst_no);
1011 if ((bfad->bfad_flags & BFAD_DRV_INIT_DONE)
1012 && !(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
1014 spin_lock_irqsave(&bfad->bfad_lock, flags);
1015 init_completion(&bfad->comp);
1016 bfa_stop(&bfad->bfa);
1017 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1018 wait_for_completion(&bfad->comp);
1020 bfad_remove_intr(bfad);
1021 del_timer_sync(&bfad->hal_tmo);
1023 } else if (!(bfad->bfad_flags & BFAD_DRV_INIT_DONE)) {
1027 if (bfad->bfad_flags & BFAD_HAL_START_DONE)
1028 bfad_drv_stop(bfad);
1030 bfad_remove_intr(bfad);
1032 del_timer_sync(&bfad->hal_tmo);
1033 bfad_fc4_probe_undo(bfad);
1035 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
1036 bfad_uncfg_pport(bfad);
1039 spin_lock_irqsave(&bfad->bfad_lock, flags);
1040 bfa_detach(&bfad->bfa);
1041 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1042 bfad_hal_mem_release(bfad);
1045 mutex_lock(&bfad_mutex);
1047 list_del(&bfad->list_entry);
1048 mutex_unlock(&bfad_mutex);
1049 bfad_pci_uninit(pdev, bfad);
1051 kfree(bfad->trcmod);
1056 static struct pci_device_id bfad_id_table[] = {
1058 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1059 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1060 .subvendor = PCI_ANY_ID,
1061 .subdevice = PCI_ANY_ID,
1064 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1065 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1066 .subvendor = PCI_ANY_ID,
1067 .subdevice = PCI_ANY_ID,
1070 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1071 .device = BFA_PCI_DEVICE_ID_CT,
1072 .subvendor = PCI_ANY_ID,
1073 .subdevice = PCI_ANY_ID,
1074 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1081 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1083 static struct pci_driver bfad_pci_driver = {
1084 .name = BFAD_DRIVER_NAME,
1085 .id_table = bfad_id_table,
1086 .probe = bfad_pci_probe,
1087 .remove = __devexit_p(bfad_pci_remove),
1091 * Linux driver module functions
1094 bfad_fc4_module_init(void)
1098 rc = bfad_im_module_init();
1099 if (rc != BFA_STATUS_OK)
1102 bfad_tm_module_init();
1104 bfad_ipfc_module_init();
1110 bfad_fc4_module_exit(void)
1113 bfad_ipfc_module_exit();
1114 bfad_tm_module_exit();
1115 bfad_im_module_exit();
1119 * Driver module init.
1126 printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n",
1127 BFAD_DRIVER_VERSION);
1130 num_sgpgs_parm = num_sgpgs;
1132 error = bfad_fc4_module_init();
1135 printk(KERN_WARNING "bfad_fc4_module_init failure\n");
1139 if (!strcmp(FCPI_NAME, " fcpim"))
1140 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IM;
1141 if (!strcmp(FCPT_NAME, " fcptm"))
1142 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_TM;
1143 if (!strcmp(IPFC_NAME, " ipfc"))
1144 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IPFC;
1146 bfa_ioc_auto_recover(ioc_auto_recover);
1147 bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1148 error = pci_register_driver(&bfad_pci_driver);
1151 printk(KERN_WARNING "bfad pci_register_driver failure\n");
1158 bfad_fc4_module_exit();
1163 * Driver module exit.
1168 pci_unregister_driver(&bfad_pci_driver);
1169 bfad_fc4_module_exit();
1173 #define BFAD_PROTO_NAME FCPI_NAME FCPT_NAME IPFC_NAME
1175 module_init(bfad_init);
1176 module_exit(bfad_exit);
1177 MODULE_LICENSE("GPL");
1178 MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1179 MODULE_AUTHOR("Brocade Communications Systems, Inc.");
1180 MODULE_VERSION(BFAD_DRIVER_VERSION);