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/slab.h>
23 #include <linux/module.h>
24 #include <linux/kthread.h>
28 #include "bfad_ipfc.h"
29 #include "bfad_trcmod.h"
30 #include <fcb/bfa_fcb_vf.h>
31 #include <fcb/bfa_fcb_rport.h>
32 #include <fcb/bfa_fcb_port.h>
33 #include <fcb/bfa_fcb.h>
35 BFA_TRC_FILE(LDRV, BFAD);
36 static DEFINE_MUTEX(bfad_mutex);
39 int bfad_supported_fc4s;
41 static char *host_name;
43 static char *os_patch;
44 static int num_rports;
48 static int num_ufbufs;
52 static int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
53 static int bfa_io_max_sge = BFAD_IO_MAX_SGE;
54 static int log_level = BFA_LOG_WARNING;
55 static int ioc_auto_recover = BFA_TRUE;
56 static int ipfc_enable = BFA_FALSE;
57 static int ipfc_mtu = -1;
58 static int fdmi_enable = BFA_TRUE;
59 int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
60 int bfa_linkup_delay = -1;
62 module_param(os_name, charp, S_IRUGO | S_IWUSR);
63 module_param(os_patch, charp, S_IRUGO | S_IWUSR);
64 module_param(host_name, charp, S_IRUGO | S_IWUSR);
65 module_param(num_rports, int, S_IRUGO | S_IWUSR);
66 module_param(num_ios, int, S_IRUGO | S_IWUSR);
67 module_param(num_tms, int, S_IRUGO | S_IWUSR);
68 module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
69 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
70 module_param(reqq_size, int, S_IRUGO | S_IWUSR);
71 module_param(rspq_size, int, S_IRUGO | S_IWUSR);
72 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
73 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
74 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
75 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
76 module_param(log_level, int, S_IRUGO | S_IWUSR);
77 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
78 module_param(ipfc_enable, int, S_IRUGO | S_IWUSR);
79 module_param(ipfc_mtu, int, S_IRUGO | S_IWUSR);
80 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
81 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
84 * Stores the module parm num_sgpgs value;
85 * used to reset for bfad next instance.
87 static int num_sgpgs_parm;
90 bfad_fc4_probe(struct bfad_s *bfad)
94 rc = bfad_im_probe(bfad);
95 if (rc != BFA_STATUS_OK)
101 bfad_ipfc_probe(bfad);
103 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
109 bfad_fc4_probe_undo(struct bfad_s *bfad)
111 bfad_im_probe_undo(bfad);
112 bfad_tm_probe_undo(bfad);
114 bfad_ipfc_probe_undo(bfad);
115 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
119 bfad_fc4_probe_post(struct bfad_s *bfad)
122 bfad_im_probe_post(bfad->im);
124 bfad_tm_probe_post(bfad);
126 bfad_ipfc_probe_post(bfad);
130 bfad_fc4_port_new(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
132 int rc = BFA_STATUS_FAILED;
134 if (roles & BFA_PORT_ROLE_FCP_IM)
135 rc = bfad_im_port_new(bfad, port);
136 if (rc != BFA_STATUS_OK)
139 if (roles & BFA_PORT_ROLE_FCP_TM)
140 rc = bfad_tm_port_new(bfad, port);
141 if (rc != BFA_STATUS_OK)
144 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
145 rc = bfad_ipfc_port_new(bfad, port, port->pvb_type);
151 bfad_fc4_port_delete(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
153 if (roles & BFA_PORT_ROLE_FCP_IM)
154 bfad_im_port_delete(bfad, port);
156 if (roles & BFA_PORT_ROLE_FCP_TM)
157 bfad_tm_port_delete(bfad, port);
159 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
160 bfad_ipfc_port_delete(bfad, port);
167 bfad_hcb_comp(void *arg, bfa_status_t status)
169 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
171 fcomp->status = status;
172 complete(&fcomp->comp);
179 bfa_cb_init(void *drv, bfa_status_t init_status)
181 struct bfad_s *bfad = drv;
183 if (init_status == BFA_STATUS_OK) {
184 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
186 /* If BFAD_HAL_INIT_FAIL flag is set:
187 * Wake up the kernel thread to start
188 * the bfad operations after HAL init done
190 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
191 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
192 wake_up_process(bfad->bfad_tsk);
196 complete(&bfad->comp);
204 static struct bfad_port_s *
205 bfad_get_drv_port(struct bfad_s *bfad, struct bfad_vf_s *vf_drv,
206 struct bfad_vport_s *vp_drv)
208 return (vp_drv) ? (&(vp_drv)->drv_port)
209 : ((vf_drv) ? (&(vf_drv)->base_port) : (&(bfad)->pport));
213 bfa_fcb_port_new(struct bfad_s *bfad, struct bfa_fcs_port_s *port,
214 enum bfa_port_role roles, struct bfad_vf_s *vf_drv,
215 struct bfad_vport_s *vp_drv)
218 struct bfad_port_s *port_drv;
220 if (!vp_drv && !vf_drv) {
221 port_drv = &bfad->pport;
222 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
223 } else if (!vp_drv && vf_drv) {
224 port_drv = &vf_drv->base_port;
225 port_drv->pvb_type = BFAD_PORT_VF_BASE;
226 } else if (vp_drv && !vf_drv) {
227 port_drv = &vp_drv->drv_port;
228 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
230 port_drv = &vp_drv->drv_port;
231 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
234 port_drv->fcs_port = port;
235 port_drv->roles = roles;
236 rc = bfad_fc4_port_new(bfad, port_drv, roles);
237 if (rc != BFA_STATUS_OK) {
238 bfad_fc4_port_delete(bfad, port_drv, roles);
246 bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles,
247 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
249 struct bfad_port_s *port_drv;
252 * this will be only called from rmmod context
254 if (vp_drv && !vp_drv->comp_del) {
255 port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
256 bfa_trc(bfad, roles);
257 bfad_fc4_port_delete(bfad, port_drv, roles);
262 bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles,
263 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
265 struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
267 if (roles & BFA_PORT_ROLE_FCP_IM)
268 bfad_im_port_online(bfad, port_drv);
270 if (roles & BFA_PORT_ROLE_FCP_TM)
271 bfad_tm_port_online(bfad, port_drv);
273 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
274 bfad_ipfc_port_online(bfad, port_drv);
276 bfad->bfad_flags |= BFAD_PORT_ONLINE;
280 bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles,
281 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
283 struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
285 if (roles & BFA_PORT_ROLE_FCP_IM)
286 bfad_im_port_offline(bfad, port_drv);
288 if (roles & BFA_PORT_ROLE_FCP_TM)
289 bfad_tm_port_offline(bfad, port_drv);
291 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
292 bfad_ipfc_port_offline(bfad, port_drv);
296 bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv)
298 if (vport_drv->comp_del) {
299 complete(vport_drv->comp_del);
307 * FCS RPORT alloc callback, after successful PLOGI by FCS
310 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
311 struct bfad_rport_s **rport_drv)
313 bfa_status_t rc = BFA_STATUS_OK;
315 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
316 if (*rport_drv == NULL) {
317 rc = BFA_STATUS_ENOMEM;
321 *rport = &(*rport_drv)->fcs_rport;
330 bfad_hal_mem_release(struct bfad_s *bfad)
333 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
334 struct bfa_mem_elem_s *meminfo_elem;
336 for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
337 meminfo_elem = &hal_meminfo->meminfo[i];
338 if (meminfo_elem->kva != NULL) {
339 switch (meminfo_elem->mem_type) {
340 case BFA_MEM_TYPE_KVA:
341 vfree(meminfo_elem->kva);
343 case BFA_MEM_TYPE_DMA:
344 dma_free_coherent(&bfad->pcidev->dev,
345 meminfo_elem->mem_len,
347 (dma_addr_t) meminfo_elem->dma);
356 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
360 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
363 bfa_cfg->fwcfg.num_rports = num_rports;
365 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
367 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
369 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
371 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
373 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
375 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
377 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
380 * populate the hal values back to the driver for sysfs use.
381 * otherwise, the default values will be shown as 0 in sysfs
383 num_rports = bfa_cfg->fwcfg.num_rports;
384 num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
385 num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
386 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
387 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
388 reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
389 rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
390 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
394 bfad_hal_mem_alloc(struct bfad_s *bfad)
396 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
397 struct bfa_mem_elem_s *meminfo_elem;
398 bfa_status_t rc = BFA_STATUS_OK;
399 dma_addr_t phys_addr;
402 int min_num_sgpgs = 512;
406 bfa_cfg_get_default(&bfad->ioc_cfg);
409 bfad_update_hal_cfg(&bfad->ioc_cfg);
410 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
411 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo);
413 for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
414 meminfo_elem = &hal_meminfo->meminfo[i];
415 switch (meminfo_elem->mem_type) {
416 case BFA_MEM_TYPE_KVA:
417 kva = vmalloc(meminfo_elem->mem_len);
419 bfad_hal_mem_release(bfad);
420 rc = BFA_STATUS_ENOMEM;
423 memset(kva, 0, meminfo_elem->mem_len);
424 meminfo_elem->kva = kva;
426 case BFA_MEM_TYPE_DMA:
427 kva = dma_alloc_coherent(&bfad->pcidev->dev,
428 meminfo_elem->mem_len,
429 &phys_addr, GFP_KERNEL);
431 bfad_hal_mem_release(bfad);
433 * If we cannot allocate with default
434 * num_sgpages try with half the value.
436 if (num_sgpgs > min_num_sgpgs) {
437 printk(KERN_INFO "bfad[%d]: memory"
438 " allocation failed with"
440 bfad->inst_no, num_sgpgs);
441 nextLowerInt(&num_sgpgs);
442 printk(KERN_INFO "bfad[%d]: trying to"
443 " allocate memory with"
445 bfad->inst_no, num_sgpgs);
449 if (num_sgpgs_parm > 0)
450 num_sgpgs = num_sgpgs_parm;
454 num_sgpgs *= reset_value;
456 rc = BFA_STATUS_ENOMEM;
461 if (num_sgpgs_parm > 0)
462 num_sgpgs = num_sgpgs_parm;
464 reset_value = (1 << retry_count);
465 num_sgpgs *= reset_value;
468 memset(kva, 0, meminfo_elem->mem_len);
469 meminfo_elem->kva = kva;
470 meminfo_elem->dma = phys_addr;
482 * Create a vport under a vf.
485 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
486 struct bfa_port_cfg_s *port_cfg)
488 struct bfad_vport_s *vport;
489 int rc = BFA_STATUS_OK;
491 struct completion fcomp;
493 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
495 rc = BFA_STATUS_ENOMEM;
499 vport->drv_port.bfad = bfad;
500 spin_lock_irqsave(&bfad->bfad_lock, flags);
501 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
503 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
505 if (rc != BFA_STATUS_OK)
508 if (port_cfg->roles & BFA_PORT_ROLE_FCP_IM) {
509 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port);
510 if (rc != BFA_STATUS_OK)
511 goto ext_free_fcs_vport;
514 spin_lock_irqsave(&bfad->bfad_lock, flags);
515 bfa_fcs_vport_start(&vport->fcs_vport);
516 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
518 return BFA_STATUS_OK;
521 spin_lock_irqsave(&bfad->bfad_lock, flags);
522 vport->comp_del = &fcomp;
523 init_completion(vport->comp_del);
524 bfa_fcs_vport_delete(&vport->fcs_vport);
525 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
526 wait_for_completion(vport->comp_del);
534 * Create a vf and its base vport implicitely.
537 bfad_vf_create(struct bfad_s *bfad, u16 vf_id,
538 struct bfa_port_cfg_s *port_cfg)
540 struct bfad_vf_s *vf;
541 int rc = BFA_STATUS_OK;
543 vf = kzalloc(sizeof(struct bfad_vf_s), GFP_KERNEL);
545 rc = BFA_STATUS_FAILED;
549 rc = bfa_fcs_vf_create(&vf->fcs_vf, &bfad->bfa_fcs, vf_id, port_cfg,
551 if (rc != BFA_STATUS_OK)
558 bfad_bfa_tmo(unsigned long data)
560 struct bfad_s *bfad = (struct bfad_s *)data;
562 struct list_head doneq;
564 spin_lock_irqsave(&bfad->bfad_lock, flags);
566 bfa_timer_tick(&bfad->bfa);
568 bfa_comp_deq(&bfad->bfa, &doneq);
569 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
571 if (!list_empty(&doneq)) {
572 bfa_comp_process(&bfad->bfa, &doneq);
573 spin_lock_irqsave(&bfad->bfad_lock, flags);
574 bfa_comp_free(&bfad->bfa, &doneq);
575 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
578 mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
582 bfad_init_timer(struct bfad_s *bfad)
584 init_timer(&bfad->hal_tmo);
585 bfad->hal_tmo.function = bfad_bfa_tmo;
586 bfad->hal_tmo.data = (unsigned long)bfad;
588 mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
592 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
594 unsigned long bar0_len;
597 if (pci_enable_device(pdev)) {
598 BFA_PRINTF(BFA_ERR, "pci_enable_device fail %p\n", pdev);
602 if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
603 goto out_disable_device;
605 pci_set_master(pdev);
608 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)
609 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) {
610 BFA_PRINTF(BFA_ERR, "pci_set_dma_mask fail %p\n", pdev);
611 goto out_release_region;
614 bfad->pci_bar0_map = pci_resource_start(pdev, 0);
615 bar0_len = pci_resource_len(pdev, 0);
616 bfad->pci_bar0_kva = ioremap(bfad->pci_bar0_map, bar0_len);
618 if (bfad->pci_bar0_kva == NULL) {
619 BFA_PRINTF(BFA_ERR, "Fail to map bar0\n");
620 goto out_release_region;
623 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
624 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
625 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
626 bfad->hal_pcidev.device_id = pdev->device;
627 bfad->pci_name = pci_name(pdev);
629 bfad->pci_attr.vendor_id = pdev->vendor;
630 bfad->pci_attr.device_id = pdev->device;
631 bfad->pci_attr.ssid = pdev->subsystem_device;
632 bfad->pci_attr.ssvid = pdev->subsystem_vendor;
633 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
639 pci_release_regions(pdev);
641 pci_disable_device(pdev);
647 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
649 #if defined(__ia64__)
650 pci_iounmap(pdev, bfad->pci_bar0_kva);
652 iounmap(bfad->pci_bar0_kva);
654 pci_release_regions(pdev);
655 pci_disable_device(pdev);
656 pci_set_drvdata(pdev, NULL);
660 bfad_fcs_port_cfg(struct bfad_s *bfad)
662 struct bfa_port_cfg_s port_cfg;
663 struct bfa_pport_attr_s attr;
664 char symname[BFA_SYMNAME_MAXLEN];
666 sprintf(symname, "%s-%d", BFAD_DRIVER_NAME, bfad->inst_no);
667 memcpy(port_cfg.sym_name.symname, symname, strlen(symname));
668 bfa_fcport_get_attr(&bfad->bfa, &attr);
669 port_cfg.nwwn = attr.nwwn;
670 port_cfg.pwwn = attr.pwwn;
672 bfa_fcs_cfg_base_port(&bfad->bfa_fcs, &port_cfg);
676 bfad_drv_init(struct bfad_s *bfad)
680 struct bfa_fcs_driver_info_s driver_info;
682 bfad->cfg_data.rport_del_timeout = rport_del_timeout;
683 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
684 bfad->cfg_data.io_max_sge = bfa_io_max_sge;
685 bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
687 rc = bfad_hal_mem_alloc(bfad);
688 if (rc != BFA_STATUS_OK) {
689 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
692 "Not enough memory to attach all Brocade HBA ports,"
693 " System may need more memory.\n");
694 goto out_hal_mem_alloc_failure;
697 bfa_init_log(&bfad->bfa, bfad->logmod);
698 bfa_init_trc(&bfad->bfa, bfad->trcmod);
699 bfa_init_aen(&bfad->bfa, bfad->aen);
700 memset(bfad->file_map, 0, sizeof(bfad->file_map));
701 bfa_init_plog(&bfad->bfa, &bfad->plog_buf);
702 bfa_plog_init(&bfad->plog_buf);
703 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
706 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
709 init_completion(&bfad->comp);
712 * Enable Interrupt and wait bfa_init completion
714 if (bfad_setup_intr(bfad)) {
715 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
717 goto out_setup_intr_failure;
720 spin_lock_irqsave(&bfad->bfad_lock, flags);
721 bfa_init(&bfad->bfa);
722 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
725 * Set up interrupt handler for each vectors
727 if ((bfad->bfad_flags & BFAD_MSIX_ON)
728 && bfad_install_msix_handler(bfad)) {
729 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
730 __func__, bfad->inst_no);
733 bfad_init_timer(bfad);
735 wait_for_completion(&bfad->comp);
737 memset(&driver_info, 0, sizeof(driver_info));
738 strncpy(driver_info.version, BFAD_DRIVER_VERSION,
739 sizeof(driver_info.version) - 1);
741 strncpy(driver_info.host_machine_name, host_name,
742 sizeof(driver_info.host_machine_name) - 1);
744 strncpy(driver_info.host_os_name, os_name,
745 sizeof(driver_info.host_os_name) - 1);
747 strncpy(driver_info.host_os_patch, os_patch,
748 sizeof(driver_info.host_os_patch) - 1);
750 strncpy(driver_info.os_device_name, bfad->pci_name,
751 sizeof(driver_info.os_device_name - 1));
756 spin_lock_irqsave(&bfad->bfad_lock, flags);
757 bfa_fcs_log_init(&bfad->bfa_fcs, bfad->logmod);
758 bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod);
759 bfa_fcs_aen_init(&bfad->bfa_fcs, bfad->aen);
760 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
762 /* Do FCS init only when HAL init is done */
763 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
764 bfa_fcs_init(&bfad->bfa_fcs);
765 bfad->bfad_flags |= BFAD_FCS_INIT_DONE;
768 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
769 bfa_fcs_set_fdmi_param(&bfad->bfa_fcs, fdmi_enable);
770 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
772 bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
773 return BFA_STATUS_OK;
775 out_setup_intr_failure:
776 bfa_detach(&bfad->bfa);
777 bfad_hal_mem_release(bfad);
778 out_hal_mem_alloc_failure:
779 return BFA_STATUS_FAILED;
783 bfad_drv_uninit(struct bfad_s *bfad)
787 spin_lock_irqsave(&bfad->bfad_lock, flags);
788 init_completion(&bfad->comp);
789 bfa_stop(&bfad->bfa);
790 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
791 wait_for_completion(&bfad->comp);
793 del_timer_sync(&bfad->hal_tmo);
794 bfa_isr_disable(&bfad->bfa);
795 bfa_detach(&bfad->bfa);
796 bfad_remove_intr(bfad);
797 bfad_hal_mem_release(bfad);
799 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
803 bfad_drv_start(struct bfad_s *bfad)
807 spin_lock_irqsave(&bfad->bfad_lock, flags);
808 bfa_start(&bfad->bfa);
809 bfa_fcs_start(&bfad->bfa_fcs);
810 bfad->bfad_flags |= BFAD_HAL_START_DONE;
811 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
813 bfad_fc4_probe_post(bfad);
817 bfad_drv_stop(struct bfad_s *bfad)
821 spin_lock_irqsave(&bfad->bfad_lock, flags);
822 init_completion(&bfad->comp);
823 bfad->pport.flags |= BFAD_PORT_DELETE;
824 bfa_fcs_exit(&bfad->bfa_fcs);
825 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
826 wait_for_completion(&bfad->comp);
828 spin_lock_irqsave(&bfad->bfad_lock, flags);
829 init_completion(&bfad->comp);
830 bfa_stop(&bfad->bfa);
831 bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
832 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
833 wait_for_completion(&bfad->comp);
837 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role)
839 int rc = BFA_STATUS_OK;
842 * Allocate scsi_host for the physical port
844 if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM)
845 && (role & BFA_PORT_ROLE_FCP_IM)) {
846 if (bfad->pport.im_port == NULL) {
847 rc = BFA_STATUS_FAILED;
851 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port);
852 if (rc != BFA_STATUS_OK)
855 bfad->pport.roles |= BFA_PORT_ROLE_FCP_IM;
858 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
865 bfad_uncfg_pport(struct bfad_s *bfad)
867 if ((bfad->pport.roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) {
868 bfad_ipfc_port_delete(bfad, &bfad->pport);
869 bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IPFC;
872 if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM)
873 && (bfad->pport.roles & BFA_PORT_ROLE_FCP_IM)) {
874 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
875 bfad_im_port_clean(bfad->pport.im_port);
876 kfree(bfad->pport.im_port);
877 bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IM;
880 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
884 bfad_drv_log_level_set(struct bfad_s *bfad)
886 if (log_level > BFA_LOG_INVALID && log_level <= BFA_LOG_LEVEL_MAX)
887 bfa_log_set_level_all(&bfad->log_data, log_level);
891 bfad_start_ops(struct bfad_s *bfad)
895 /* PPORT FCS config */
896 bfad_fcs_port_cfg(bfad);
898 retval = bfad_cfg_pport(bfad, BFA_PORT_ROLE_FCP_IM);
899 if (retval != BFA_STATUS_OK)
900 goto out_cfg_pport_failure;
902 /* BFAD level FC4 (IM/TM/IPFC) specific resource allocation */
903 retval = bfad_fc4_probe(bfad);
904 if (retval != BFA_STATUS_OK) {
905 printk(KERN_WARNING "bfad_fc4_probe failed\n");
906 goto out_fc4_probe_failure;
909 bfad_drv_start(bfad);
912 * If bfa_linkup_delay is set to -1 default; try to retrive the
913 * value using the bfad_os_get_linkup_delay(); else use the
914 * passed in module param value as the bfa_linkup_delay.
916 if (bfa_linkup_delay < 0) {
918 bfa_linkup_delay = bfad_os_get_linkup_delay(bfad);
919 bfad_os_rport_online_wait(bfad);
920 bfa_linkup_delay = -1;
923 bfad_os_rport_online_wait(bfad);
926 bfa_log(bfad->logmod, BFA_LOG_LINUX_DEVICE_CLAIMED, bfad->pci_name);
928 return BFA_STATUS_OK;
930 out_fc4_probe_failure:
931 bfad_fc4_probe_undo(bfad);
932 bfad_uncfg_pport(bfad);
933 out_cfg_pport_failure:
934 return BFA_STATUS_FAILED;
938 bfad_worker (void *ptr)
943 bfad = (struct bfad_s *)ptr;
945 while (!kthread_should_stop()) {
947 /* Check if the FCS init is done from bfad_drv_init;
948 * if not done do FCS init and set the flag.
950 if (!(bfad->bfad_flags & BFAD_FCS_INIT_DONE)) {
951 spin_lock_irqsave(&bfad->bfad_lock, flags);
952 bfa_fcs_init(&bfad->bfa_fcs);
953 bfad->bfad_flags |= BFAD_FCS_INIT_DONE;
954 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
957 /* Start the bfad operations after HAL init done */
958 bfad_start_ops(bfad);
960 spin_lock_irqsave(&bfad->bfad_lock, flags);
961 bfad->bfad_tsk = NULL;
962 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
971 * PCI_entry PCI driver entries * {
978 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
981 int error = -ENODEV, retval;
984 * For single port cards - only claim function 0
986 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P)
987 && (PCI_FUNC(pdev->devfn) != 0))
990 BFA_TRACE(BFA_INFO, "bfad_pci_probe entry");
992 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
998 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1000 printk(KERN_WARNING "Error alloc trace buffer!\n");
1002 goto out_alloc_trace_failure;
1008 bfa_trc_init(bfad->trcmod);
1009 bfa_trc(bfad, bfad_inst);
1011 bfad->logmod = &bfad->log_data;
1012 bfa_log_init(bfad->logmod, (char *)pci_name(pdev), bfa_os_printf);
1014 bfad_drv_log_level_set(bfad);
1016 bfad->aen = &bfad->aen_buf;
1018 if (!(bfad_load_fwimg(pdev))) {
1019 printk(KERN_WARNING "bfad_load_fwimg failure!\n");
1020 kfree(bfad->trcmod);
1021 goto out_alloc_trace_failure;
1024 retval = bfad_pci_init(pdev, bfad);
1026 printk(KERN_WARNING "bfad_pci_init failure!\n");
1028 goto out_pci_init_failure;
1031 mutex_lock(&bfad_mutex);
1032 bfad->inst_no = bfad_inst++;
1033 list_add_tail(&bfad->list_entry, &bfad_list);
1034 mutex_unlock(&bfad_mutex);
1036 spin_lock_init(&bfad->bfad_lock);
1037 pci_set_drvdata(pdev, bfad);
1039 bfad->ref_count = 0;
1040 bfad->pport.bfad = bfad;
1042 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, "%s",
1044 if (IS_ERR(bfad->bfad_tsk)) {
1045 printk(KERN_INFO "bfad[%d]: Kernel thread"
1046 " creation failed!\n",
1048 goto out_kthread_create_failure;
1051 retval = bfad_drv_init(bfad);
1052 if (retval != BFA_STATUS_OK)
1053 goto out_drv_init_failure;
1054 if (!(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
1055 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
1056 printk(KERN_WARNING "bfad%d: hal init failed\n", bfad->inst_no);
1060 retval = bfad_start_ops(bfad);
1061 if (retval != BFA_STATUS_OK)
1062 goto out_start_ops_failure;
1064 kthread_stop(bfad->bfad_tsk);
1065 bfad->bfad_tsk = NULL;
1070 out_start_ops_failure:
1071 bfad_drv_uninit(bfad);
1072 out_drv_init_failure:
1073 kthread_stop(bfad->bfad_tsk);
1074 out_kthread_create_failure:
1075 mutex_lock(&bfad_mutex);
1077 list_del(&bfad->list_entry);
1078 mutex_unlock(&bfad_mutex);
1079 bfad_pci_uninit(pdev, bfad);
1080 out_pci_init_failure:
1081 kfree(bfad->trcmod);
1082 out_alloc_trace_failure:
1092 bfad_pci_remove(struct pci_dev *pdev)
1094 struct bfad_s *bfad = pci_get_drvdata(pdev);
1095 unsigned long flags;
1097 bfa_trc(bfad, bfad->inst_no);
1099 spin_lock_irqsave(&bfad->bfad_lock, flags);
1100 if (bfad->bfad_tsk != NULL)
1101 kthread_stop(bfad->bfad_tsk);
1102 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1104 if ((bfad->bfad_flags & BFAD_DRV_INIT_DONE)
1105 && !(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
1107 spin_lock_irqsave(&bfad->bfad_lock, flags);
1108 init_completion(&bfad->comp);
1109 bfa_stop(&bfad->bfa);
1110 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1111 wait_for_completion(&bfad->comp);
1113 bfad_remove_intr(bfad);
1114 del_timer_sync(&bfad->hal_tmo);
1116 } else if (!(bfad->bfad_flags & BFAD_DRV_INIT_DONE)) {
1120 if (bfad->bfad_flags & BFAD_HAL_START_DONE) {
1121 bfad_drv_stop(bfad);
1122 } else if (bfad->bfad_flags & BFAD_DRV_INIT_DONE) {
1123 /* Invoking bfa_stop() before bfa_detach
1124 * when HAL and DRV init are success
1125 * but HAL start did not occur.
1127 spin_lock_irqsave(&bfad->bfad_lock, flags);
1128 init_completion(&bfad->comp);
1129 bfa_stop(&bfad->bfa);
1130 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1131 wait_for_completion(&bfad->comp);
1134 bfad_remove_intr(bfad);
1135 del_timer_sync(&bfad->hal_tmo);
1137 if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE)
1138 bfad_fc4_probe_undo(bfad);
1140 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
1141 bfad_uncfg_pport(bfad);
1144 spin_lock_irqsave(&bfad->bfad_lock, flags);
1145 bfa_detach(&bfad->bfa);
1146 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1147 bfad_hal_mem_release(bfad);
1150 mutex_lock(&bfad_mutex);
1152 list_del(&bfad->list_entry);
1153 mutex_unlock(&bfad_mutex);
1154 bfad_pci_uninit(pdev, bfad);
1156 kfree(bfad->trcmod);
1161 static struct pci_device_id bfad_id_table[] = {
1163 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1164 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1165 .subvendor = PCI_ANY_ID,
1166 .subdevice = PCI_ANY_ID,
1169 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1170 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1171 .subvendor = PCI_ANY_ID,
1172 .subdevice = PCI_ANY_ID,
1175 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1176 .device = BFA_PCI_DEVICE_ID_CT,
1177 .subvendor = PCI_ANY_ID,
1178 .subdevice = PCI_ANY_ID,
1179 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1186 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1188 static struct pci_driver bfad_pci_driver = {
1189 .name = BFAD_DRIVER_NAME,
1190 .id_table = bfad_id_table,
1191 .probe = bfad_pci_probe,
1192 .remove = __devexit_p(bfad_pci_remove),
1196 * Linux driver module functions
1199 bfad_fc4_module_init(void)
1203 rc = bfad_im_module_init();
1204 if (rc != BFA_STATUS_OK)
1207 bfad_tm_module_init();
1209 bfad_ipfc_module_init();
1215 bfad_fc4_module_exit(void)
1218 bfad_ipfc_module_exit();
1219 bfad_tm_module_exit();
1220 bfad_im_module_exit();
1224 * Driver module init.
1231 printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n",
1232 BFAD_DRIVER_VERSION);
1235 num_sgpgs_parm = num_sgpgs;
1237 error = bfad_fc4_module_init();
1240 printk(KERN_WARNING "bfad_fc4_module_init failure\n");
1244 if (!strcmp(FCPI_NAME, " fcpim"))
1245 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IM;
1246 if (!strcmp(FCPT_NAME, " fcptm"))
1247 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_TM;
1248 if (!strcmp(IPFC_NAME, " ipfc"))
1249 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IPFC;
1251 bfa_ioc_auto_recover(ioc_auto_recover);
1252 bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1253 error = pci_register_driver(&bfad_pci_driver);
1256 printk(KERN_WARNING "bfad pci_register_driver failure\n");
1263 bfad_fc4_module_exit();
1268 * Driver module exit.
1273 pci_unregister_driver(&bfad_pci_driver);
1274 bfad_fc4_module_exit();
1278 #define BFAD_PROTO_NAME FCPI_NAME FCPT_NAME IPFC_NAME
1280 module_init(bfad_init);
1281 module_exit(bfad_exit);
1282 MODULE_LICENSE("GPL");
1283 MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1284 MODULE_AUTHOR("Brocade Communications Systems, Inc.");
1285 MODULE_VERSION(BFAD_DRIVER_VERSION);