linux/drivers/scsi/bfa/bfad.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
   4 * Copyright (c) 2014- QLogic Corporation.
   5 * All rights reserved
   6 * www.qlogic.com
   7 *
   8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
   9 */
  10
  11/*
  12 *  bfad.c Linux driver PCI interface module.
  13 */
  14#include <linux/module.h>
  15#include <linux/kthread.h>
  16#include <linux/errno.h>
  17#include <linux/sched.h>
  18#include <linux/init.h>
  19#include <linux/fs.h>
  20#include <linux/pci.h>
  21#include <linux/firmware.h>
  22#include <linux/uaccess.h>
  23#include <asm/fcntl.h>
  24
  25#include "bfad_drv.h"
  26#include "bfad_im.h"
  27#include "bfa_fcs.h"
  28#include "bfa_defs.h"
  29#include "bfa.h"
  30
  31BFA_TRC_FILE(LDRV, BFAD);
  32DEFINE_MUTEX(bfad_mutex);
  33LIST_HEAD(bfad_list);
  34
  35static int      bfad_inst;
  36static int      num_sgpgs_parm;
  37int             supported_fc4s;
  38char            *host_name, *os_name, *os_patch;
  39int             num_rports, num_ios, num_tms;
  40int             num_fcxps, num_ufbufs;
  41int             reqq_size, rspq_size, num_sgpgs;
  42int             rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
  43int             bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
  44int             bfa_io_max_sge = BFAD_IO_MAX_SGE;
  45int             bfa_log_level = 3; /* WARNING log level */
  46int             ioc_auto_recover = BFA_TRUE;
  47int             bfa_linkup_delay = -1;
  48int             fdmi_enable = BFA_TRUE;
  49int             pcie_max_read_reqsz;
  50int             bfa_debugfs_enable = 1;
  51int             msix_disable_cb = 0, msix_disable_ct = 0;
  52int             max_xfer_size = BFAD_MAX_SECTORS >> 1;
  53int             max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS;
  54
  55/* Firmware releated */
  56u32     bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size;
  57u32     *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2;
  58
  59#define BFAD_FW_FILE_CB         "cbfw-3.2.5.1.bin"
  60#define BFAD_FW_FILE_CT         "ctfw-3.2.5.1.bin"
  61#define BFAD_FW_FILE_CT2        "ct2fw-3.2.5.1.bin"
  62
  63static u32 *bfad_load_fwimg(struct pci_dev *pdev);
  64static void bfad_free_fwimg(void);
  65static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
  66                u32 *bfi_image_size, char *fw_name);
  67
  68static const char *msix_name_ct[] = {
  69        "ctrl",
  70        "cpe0", "cpe1", "cpe2", "cpe3",
  71        "rme0", "rme1", "rme2", "rme3" };
  72
  73static const char *msix_name_cb[] = {
  74        "cpe0", "cpe1", "cpe2", "cpe3",
  75        "rme0", "rme1", "rme2", "rme3",
  76        "eemc", "elpu0", "elpu1", "epss", "mlpu" };
  77
  78MODULE_FIRMWARE(BFAD_FW_FILE_CB);
  79MODULE_FIRMWARE(BFAD_FW_FILE_CT);
  80MODULE_FIRMWARE(BFAD_FW_FILE_CT2);
  81
  82module_param(os_name, charp, S_IRUGO | S_IWUSR);
  83MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
  84module_param(os_patch, charp, S_IRUGO | S_IWUSR);
  85MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
  86module_param(host_name, charp, S_IRUGO | S_IWUSR);
  87MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
  88module_param(num_rports, int, S_IRUGO | S_IWUSR);
  89MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
  90                                "(physical/logical), default=1024");
  91module_param(num_ios, int, S_IRUGO | S_IWUSR);
  92MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
  93module_param(num_tms, int, S_IRUGO | S_IWUSR);
  94MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
  95module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
  96MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
  97module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
  98MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
  99                                "buffers, default=64");
 100module_param(reqq_size, int, S_IRUGO | S_IWUSR);
 101MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
 102                                "default=256");
 103module_param(rspq_size, int, S_IRUGO | S_IWUSR);
 104MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
 105                                "default=64");
 106module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
 107MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
 108module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
 109MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
 110                                        "Range[>0]");
 111module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
 112MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
 113module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
 114MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
 115module_param(bfa_log_level, int, S_IRUGO | S_IWUSR);
 116MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, "
 117                                "Range[Critical:1|Error:2|Warning:3|Info:4]");
 118module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
 119MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
 120                                "Range[off:0|on:1]");
 121module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
 122MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for "
 123                        "boot port. Otherwise 10 secs in RHEL4 & 0 for "
 124                        "[RHEL5, SLES10, ESX40] Range[>0]");
 125module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
 126MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts for QLogic-415/425/815/825 cards, default=0 Range[false:0|true:1]");
 127module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
 128MODULE_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]");
 129module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
 130MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, "
 131                                "Range[false:0|true:1]");
 132module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR);
 133MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 "
 134                "(use system setting), Range[128|256|512|1024|2048|4096]");
 135module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
 136MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
 137                " Range[false:0|true:1]");
 138module_param(max_xfer_size, int, S_IRUGO | S_IWUSR);
 139MODULE_PARM_DESC(max_xfer_size, "default=32MB,"
 140                " Range[64k|128k|256k|512k|1024k|2048k]");
 141module_param(max_rport_logins, int, S_IRUGO | S_IWUSR);
 142MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024");
 143
 144static void
 145bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
 146static void
 147bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
 148static void
 149bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
 150static void
 151bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
 152static void
 153bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
 154static void
 155bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
 156static void
 157bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event);
 158
 159/*
 160 * Beginning state for the driver instance, awaiting the pci_probe event
 161 */
 162static void
 163bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event)
 164{
 165        bfa_trc(bfad, event);
 166
 167        switch (event) {
 168        case BFAD_E_CREATE:
 169                bfa_sm_set_state(bfad, bfad_sm_created);
 170                bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad,
 171                                                "%s", "bfad_worker");
 172                if (IS_ERR(bfad->bfad_tsk)) {
 173                        printk(KERN_INFO "bfad[%d]: Kernel thread "
 174                                "creation failed!\n", bfad->inst_no);
 175                        bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED);
 176                }
 177                bfa_sm_send_event(bfad, BFAD_E_INIT);
 178                break;
 179
 180        case BFAD_E_STOP:
 181                /* Ignore stop; already in uninit */
 182                break;
 183
 184        default:
 185                bfa_sm_fault(bfad, event);
 186        }
 187}
 188
 189/*
 190 * Driver Instance is created, awaiting event INIT to initialize the bfad
 191 */
 192static void
 193bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
 194{
 195        unsigned long flags;
 196        bfa_status_t ret;
 197
 198        bfa_trc(bfad, event);
 199
 200        switch (event) {
 201        case BFAD_E_INIT:
 202                bfa_sm_set_state(bfad, bfad_sm_initializing);
 203
 204                init_completion(&bfad->comp);
 205
 206                /* Enable Interrupt and wait bfa_init completion */
 207                if (bfad_setup_intr(bfad)) {
 208                        printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
 209                                        bfad->inst_no);
 210                        bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
 211                        break;
 212                }
 213
 214                spin_lock_irqsave(&bfad->bfad_lock, flags);
 215                bfa_iocfc_init(&bfad->bfa);
 216                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 217
 218                /* Set up interrupt handler for each vectors */
 219                if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
 220                        bfad_install_msix_handler(bfad)) {
 221                        printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
 222                                __func__, bfad->inst_no);
 223                }
 224
 225                bfad_init_timer(bfad);
 226
 227                wait_for_completion(&bfad->comp);
 228
 229                if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
 230                        bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
 231                } else {
 232                        printk(KERN_WARNING
 233                                "bfa %s: bfa init failed\n",
 234                                bfad->pci_name);
 235                        spin_lock_irqsave(&bfad->bfad_lock, flags);
 236                        bfa_fcs_init(&bfad->bfa_fcs);
 237                        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 238
 239                        ret = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
 240                        if (ret != BFA_STATUS_OK) {
 241                                init_completion(&bfad->comp);
 242
 243                                spin_lock_irqsave(&bfad->bfad_lock, flags);
 244                                bfad->pport.flags |= BFAD_PORT_DELETE;
 245                                bfa_fcs_exit(&bfad->bfa_fcs);
 246                                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 247
 248                                wait_for_completion(&bfad->comp);
 249
 250                                bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
 251                                break;
 252                        }
 253                        bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
 254                        bfa_sm_send_event(bfad, BFAD_E_HAL_INIT_FAILED);
 255                }
 256
 257                break;
 258
 259        case BFAD_E_KTHREAD_CREATE_FAILED:
 260                bfa_sm_set_state(bfad, bfad_sm_uninit);
 261                break;
 262
 263        default:
 264                bfa_sm_fault(bfad, event);
 265        }
 266}
 267
 268static void
 269bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event)
 270{
 271        int     retval;
 272        unsigned long   flags;
 273
 274        bfa_trc(bfad, event);
 275
 276        switch (event) {
 277        case BFAD_E_INIT_SUCCESS:
 278                kthread_stop(bfad->bfad_tsk);
 279                spin_lock_irqsave(&bfad->bfad_lock, flags);
 280                bfad->bfad_tsk = NULL;
 281                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 282
 283                retval = bfad_start_ops(bfad);
 284                if (retval != BFA_STATUS_OK) {
 285                        bfa_sm_set_state(bfad, bfad_sm_failed);
 286                        break;
 287                }
 288                bfa_sm_set_state(bfad, bfad_sm_operational);
 289                break;
 290
 291        case BFAD_E_INIT_FAILED:
 292                bfa_sm_set_state(bfad, bfad_sm_uninit);
 293                kthread_stop(bfad->bfad_tsk);
 294                spin_lock_irqsave(&bfad->bfad_lock, flags);
 295                bfad->bfad_tsk = NULL;
 296                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 297                break;
 298
 299        case BFAD_E_HAL_INIT_FAILED:
 300                bfa_sm_set_state(bfad, bfad_sm_failed);
 301                break;
 302        default:
 303                bfa_sm_fault(bfad, event);
 304        }
 305}
 306
 307static void
 308bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event)
 309{
 310        int     retval;
 311
 312        bfa_trc(bfad, event);
 313
 314        switch (event) {
 315        case BFAD_E_INIT_SUCCESS:
 316                retval = bfad_start_ops(bfad);
 317                if (retval != BFA_STATUS_OK)
 318                        break;
 319                bfa_sm_set_state(bfad, bfad_sm_operational);
 320                break;
 321
 322        case BFAD_E_STOP:
 323                bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
 324                bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
 325                break;
 326
 327        case BFAD_E_EXIT_COMP:
 328                bfa_sm_set_state(bfad, bfad_sm_uninit);
 329                bfad_remove_intr(bfad);
 330                del_timer_sync(&bfad->hal_tmo);
 331                break;
 332
 333        default:
 334                bfa_sm_fault(bfad, event);
 335        }
 336}
 337
 338static void
 339bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event)
 340{
 341        bfa_trc(bfad, event);
 342
 343        switch (event) {
 344        case BFAD_E_STOP:
 345                bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
 346                bfad_fcs_stop(bfad);
 347                break;
 348
 349        default:
 350                bfa_sm_fault(bfad, event);
 351        }
 352}
 353
 354static void
 355bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event)
 356{
 357        bfa_trc(bfad, event);
 358
 359        switch (event) {
 360        case BFAD_E_FCS_EXIT_COMP:
 361                bfa_sm_set_state(bfad, bfad_sm_stopping);
 362                bfad_stop(bfad);
 363                break;
 364
 365        default:
 366                bfa_sm_fault(bfad, event);
 367        }
 368}
 369
 370static void
 371bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event)
 372{
 373        bfa_trc(bfad, event);
 374
 375        switch (event) {
 376        case BFAD_E_EXIT_COMP:
 377                bfa_sm_set_state(bfad, bfad_sm_uninit);
 378                bfad_remove_intr(bfad);
 379                del_timer_sync(&bfad->hal_tmo);
 380                bfad_im_probe_undo(bfad);
 381                bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
 382                bfad_uncfg_pport(bfad);
 383                break;
 384
 385        default:
 386                bfa_sm_fault(bfad, event);
 387                break;
 388        }
 389}
 390
 391/*
 392 *  BFA callbacks
 393 */
 394void
 395bfad_hcb_comp(void *arg, bfa_status_t status)
 396{
 397        struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
 398
 399        fcomp->status = status;
 400        complete(&fcomp->comp);
 401}
 402
 403/*
 404 * bfa_init callback
 405 */
 406void
 407bfa_cb_init(void *drv, bfa_status_t init_status)
 408{
 409        struct bfad_s         *bfad = drv;
 410
 411        if (init_status == BFA_STATUS_OK) {
 412                bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
 413
 414                /*
 415                 * If BFAD_HAL_INIT_FAIL flag is set:
 416                 * Wake up the kernel thread to start
 417                 * the bfad operations after HAL init done
 418                 */
 419                if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
 420                        bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
 421                        wake_up_process(bfad->bfad_tsk);
 422                }
 423        }
 424
 425        complete(&bfad->comp);
 426}
 427
 428/*
 429 *  BFA_FCS callbacks
 430 */
 431struct bfad_port_s *
 432bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port,
 433                 enum bfa_lport_role roles, struct bfad_vf_s *vf_drv,
 434                 struct bfad_vport_s *vp_drv)
 435{
 436        bfa_status_t    rc;
 437        struct bfad_port_s    *port_drv;
 438
 439        if (!vp_drv && !vf_drv) {
 440                port_drv = &bfad->pport;
 441                port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
 442        } else if (!vp_drv && vf_drv) {
 443                port_drv = &vf_drv->base_port;
 444                port_drv->pvb_type = BFAD_PORT_VF_BASE;
 445        } else if (vp_drv && !vf_drv) {
 446                port_drv = &vp_drv->drv_port;
 447                port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
 448        } else {
 449                port_drv = &vp_drv->drv_port;
 450                port_drv->pvb_type = BFAD_PORT_VF_VPORT;
 451        }
 452
 453        port_drv->fcs_port = port;
 454        port_drv->roles = roles;
 455
 456        if (roles & BFA_LPORT_ROLE_FCP_IM) {
 457                rc = bfad_im_port_new(bfad, port_drv);
 458                if (rc != BFA_STATUS_OK) {
 459                        bfad_im_port_delete(bfad, port_drv);
 460                        port_drv = NULL;
 461                }
 462        }
 463
 464        return port_drv;
 465}
 466
 467/*
 468 * FCS RPORT alloc callback, after successful PLOGI by FCS
 469 */
 470bfa_status_t
 471bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
 472                    struct bfad_rport_s **rport_drv)
 473{
 474        bfa_status_t    rc = BFA_STATUS_OK;
 475
 476        *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
 477        if (*rport_drv == NULL) {
 478                rc = BFA_STATUS_ENOMEM;
 479                goto ext;
 480        }
 481
 482        *rport = &(*rport_drv)->fcs_rport;
 483
 484ext:
 485        return rc;
 486}
 487
 488/*
 489 * FCS PBC VPORT Create
 490 */
 491void
 492bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
 493{
 494
 495        struct bfa_lport_cfg_s port_cfg = {0};
 496        struct bfad_vport_s   *vport;
 497        int rc;
 498
 499        vport = kzalloc(sizeof(struct bfad_vport_s), GFP_ATOMIC);
 500        if (!vport) {
 501                bfa_trc(bfad, 0);
 502                return;
 503        }
 504
 505        vport->drv_port.bfad = bfad;
 506        port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
 507        port_cfg.pwwn = pbc_vport.vp_pwwn;
 508        port_cfg.nwwn = pbc_vport.vp_nwwn;
 509        port_cfg.preboot_vp  = BFA_TRUE;
 510
 511        rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0,
 512                                  &port_cfg, vport);
 513
 514        if (rc != BFA_STATUS_OK) {
 515                bfa_trc(bfad, 0);
 516                return;
 517        }
 518
 519        list_add_tail(&vport->list_entry, &bfad->pbc_vport_list);
 520}
 521
 522void
 523bfad_hal_mem_release(struct bfad_s *bfad)
 524{
 525        struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
 526        struct bfa_mem_dma_s *dma_info, *dma_elem;
 527        struct bfa_mem_kva_s *kva_info, *kva_elem;
 528        struct list_head *dm_qe, *km_qe;
 529
 530        dma_info = &hal_meminfo->dma_info;
 531        kva_info = &hal_meminfo->kva_info;
 532
 533        /* Iterate through the KVA meminfo queue */
 534        list_for_each(km_qe, &kva_info->qe) {
 535                kva_elem = (struct bfa_mem_kva_s *) km_qe;
 536                vfree(kva_elem->kva);
 537        }
 538
 539        /* Iterate through the DMA meminfo queue */
 540        list_for_each(dm_qe, &dma_info->qe) {
 541                dma_elem = (struct bfa_mem_dma_s *) dm_qe;
 542                dma_free_coherent(&bfad->pcidev->dev,
 543                                dma_elem->mem_len, dma_elem->kva,
 544                                (dma_addr_t) dma_elem->dma);
 545        }
 546
 547        memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
 548}
 549
 550void
 551bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
 552{
 553        if (num_rports > 0)
 554                bfa_cfg->fwcfg.num_rports = num_rports;
 555        if (num_ios > 0)
 556                bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
 557        if (num_tms > 0)
 558                bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
 559        if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX)
 560                bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
 561        if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX)
 562                bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
 563        if (reqq_size > 0)
 564                bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
 565        if (rspq_size > 0)
 566                bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
 567        if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX)
 568                bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
 569
 570        /*
 571         * populate the hal values back to the driver for sysfs use.
 572         * otherwise, the default values will be shown as 0 in sysfs
 573         */
 574        num_rports = bfa_cfg->fwcfg.num_rports;
 575        num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
 576        num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
 577        num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
 578        num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
 579        reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
 580        rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
 581        num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
 582}
 583
 584bfa_status_t
 585bfad_hal_mem_alloc(struct bfad_s *bfad)
 586{
 587        struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
 588        struct bfa_mem_dma_s *dma_info, *dma_elem;
 589        struct bfa_mem_kva_s *kva_info, *kva_elem;
 590        struct list_head *dm_qe, *km_qe;
 591        bfa_status_t    rc = BFA_STATUS_OK;
 592        dma_addr_t      phys_addr;
 593
 594        bfa_cfg_get_default(&bfad->ioc_cfg);
 595        bfad_update_hal_cfg(&bfad->ioc_cfg);
 596        bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
 597        bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa);
 598
 599        dma_info = &hal_meminfo->dma_info;
 600        kva_info = &hal_meminfo->kva_info;
 601
 602        /* Iterate through the KVA meminfo queue */
 603        list_for_each(km_qe, &kva_info->qe) {
 604                kva_elem = (struct bfa_mem_kva_s *) km_qe;
 605                kva_elem->kva = vzalloc(kva_elem->mem_len);
 606                if (kva_elem->kva == NULL) {
 607                        bfad_hal_mem_release(bfad);
 608                        rc = BFA_STATUS_ENOMEM;
 609                        goto ext;
 610                }
 611        }
 612
 613        /* Iterate through the DMA meminfo queue */
 614        list_for_each(dm_qe, &dma_info->qe) {
 615                dma_elem = (struct bfa_mem_dma_s *) dm_qe;
 616                dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev,
 617                                                dma_elem->mem_len,
 618                                                &phys_addr, GFP_KERNEL);
 619                if (dma_elem->kva == NULL) {
 620                        bfad_hal_mem_release(bfad);
 621                        rc = BFA_STATUS_ENOMEM;
 622                        goto ext;
 623                }
 624                dma_elem->dma = phys_addr;
 625                memset(dma_elem->kva, 0, dma_elem->mem_len);
 626        }
 627ext:
 628        return rc;
 629}
 630
 631/*
 632 * Create a vport under a vf.
 633 */
 634bfa_status_t
 635bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
 636                  struct bfa_lport_cfg_s *port_cfg, struct device *dev)
 637{
 638        struct bfad_vport_s   *vport;
 639        int             rc = BFA_STATUS_OK;
 640        unsigned long   flags;
 641        struct completion fcomp;
 642
 643        vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
 644        if (!vport) {
 645                rc = BFA_STATUS_ENOMEM;
 646                goto ext;
 647        }
 648
 649        vport->drv_port.bfad = bfad;
 650        spin_lock_irqsave(&bfad->bfad_lock, flags);
 651        rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
 652                                  port_cfg, vport);
 653        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 654
 655        if (rc != BFA_STATUS_OK)
 656                goto ext_free_vport;
 657
 658        if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) {
 659                rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
 660                                                        dev);
 661                if (rc != BFA_STATUS_OK)
 662                        goto ext_free_fcs_vport;
 663        }
 664
 665        spin_lock_irqsave(&bfad->bfad_lock, flags);
 666        bfa_fcs_vport_start(&vport->fcs_vport);
 667        list_add_tail(&vport->list_entry, &bfad->vport_list);
 668        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 669
 670        return BFA_STATUS_OK;
 671
 672ext_free_fcs_vport:
 673        spin_lock_irqsave(&bfad->bfad_lock, flags);
 674        vport->comp_del = &fcomp;
 675        init_completion(vport->comp_del);
 676        bfa_fcs_vport_delete(&vport->fcs_vport);
 677        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 678        wait_for_completion(vport->comp_del);
 679ext_free_vport:
 680        kfree(vport);
 681ext:
 682        return rc;
 683}
 684
 685void
 686bfad_bfa_tmo(struct timer_list *t)
 687{
 688        struct bfad_s         *bfad = from_timer(bfad, t, hal_tmo);
 689        unsigned long   flags;
 690        struct list_head               doneq;
 691
 692        spin_lock_irqsave(&bfad->bfad_lock, flags);
 693
 694        bfa_timer_beat(&bfad->bfa.timer_mod);
 695
 696        bfa_comp_deq(&bfad->bfa, &doneq);
 697        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 698
 699        if (!list_empty(&doneq)) {
 700                bfa_comp_process(&bfad->bfa, &doneq);
 701                spin_lock_irqsave(&bfad->bfad_lock, flags);
 702                bfa_comp_free(&bfad->bfa, &doneq);
 703                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 704        }
 705
 706        mod_timer(&bfad->hal_tmo,
 707                  jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
 708}
 709
 710void
 711bfad_init_timer(struct bfad_s *bfad)
 712{
 713        timer_setup(&bfad->hal_tmo, bfad_bfa_tmo, 0);
 714
 715        mod_timer(&bfad->hal_tmo,
 716                  jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
 717}
 718
 719int
 720bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
 721{
 722        int rc = -ENODEV;
 723
 724        if (pci_enable_device(pdev)) {
 725                printk(KERN_ERR "pci_enable_device fail %p\n", pdev);
 726                goto out;
 727        }
 728
 729        if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
 730                goto out_disable_device;
 731
 732        pci_set_master(pdev);
 733
 734        rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
 735        if (rc)
 736                rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
 737
 738        if (rc) {
 739                rc = -ENODEV;
 740                printk(KERN_ERR "dma_set_mask_and_coherent fail %p\n", pdev);
 741                goto out_release_region;
 742        }
 743
 744        /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */
 745        pci_enable_pcie_error_reporting(pdev);
 746
 747        bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
 748        bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
 749
 750        if (bfad->pci_bar0_kva == NULL) {
 751                printk(KERN_ERR "Fail to map bar0\n");
 752                goto out_release_region;
 753        }
 754
 755        bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
 756        bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
 757        bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
 758        bfad->hal_pcidev.device_id = pdev->device;
 759        bfad->hal_pcidev.ssid = pdev->subsystem_device;
 760        bfad->pci_name = pci_name(pdev);
 761
 762        bfad->pci_attr.vendor_id = pdev->vendor;
 763        bfad->pci_attr.device_id = pdev->device;
 764        bfad->pci_attr.ssid = pdev->subsystem_device;
 765        bfad->pci_attr.ssvid = pdev->subsystem_vendor;
 766        bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
 767
 768        bfad->pcidev = pdev;
 769
 770        /* Adjust PCIe Maximum Read Request Size */
 771        if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
 772                if (pcie_max_read_reqsz >= 128 &&
 773                    pcie_max_read_reqsz <= 4096 &&
 774                    is_power_of_2(pcie_max_read_reqsz)) {
 775                        int max_rq = pcie_get_readrq(pdev);
 776                        printk(KERN_WARNING "BFA[%s]: "
 777                                "pcie_max_read_request_size is %d, "
 778                                "reset to %d\n", bfad->pci_name, max_rq,
 779                                pcie_max_read_reqsz);
 780                        pcie_set_readrq(pdev, pcie_max_read_reqsz);
 781                } else {
 782                        printk(KERN_WARNING "BFA[%s]: invalid "
 783                               "pcie_max_read_request_size %d ignored\n",
 784                               bfad->pci_name, pcie_max_read_reqsz);
 785                }
 786        }
 787
 788        pci_save_state(pdev);
 789
 790        return 0;
 791
 792out_release_region:
 793        pci_release_regions(pdev);
 794out_disable_device:
 795        pci_disable_device(pdev);
 796out:
 797        return rc;
 798}
 799
 800void
 801bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
 802{
 803        pci_iounmap(pdev, bfad->pci_bar0_kva);
 804        pci_iounmap(pdev, bfad->pci_bar2_kva);
 805        pci_release_regions(pdev);
 806        /* Disable PCIE Advanced Error Recovery (AER) */
 807        pci_disable_pcie_error_reporting(pdev);
 808        pci_disable_device(pdev);
 809}
 810
 811bfa_status_t
 812bfad_drv_init(struct bfad_s *bfad)
 813{
 814        bfa_status_t    rc;
 815        unsigned long   flags;
 816
 817        bfad->cfg_data.rport_del_timeout = rport_del_timeout;
 818        bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
 819        bfad->cfg_data.io_max_sge = bfa_io_max_sge;
 820        bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
 821
 822        rc = bfad_hal_mem_alloc(bfad);
 823        if (rc != BFA_STATUS_OK) {
 824                printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
 825                       bfad->inst_no);
 826                printk(KERN_WARNING
 827                        "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n");
 828                return BFA_STATUS_FAILED;
 829        }
 830
 831        bfad->bfa.trcmod = bfad->trcmod;
 832        bfad->bfa.plog = &bfad->plog_buf;
 833        bfa_plog_init(&bfad->plog_buf);
 834        bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
 835                     0, "Driver Attach");
 836
 837        bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
 838                   &bfad->hal_pcidev);
 839
 840        /* FCS INIT */
 841        spin_lock_irqsave(&bfad->bfad_lock, flags);
 842        bfad->bfa_fcs.trcmod = bfad->trcmod;
 843        bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
 844        bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
 845        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 846
 847        bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
 848
 849        return BFA_STATUS_OK;
 850}
 851
 852void
 853bfad_drv_uninit(struct bfad_s *bfad)
 854{
 855        unsigned long   flags;
 856
 857        spin_lock_irqsave(&bfad->bfad_lock, flags);
 858        init_completion(&bfad->comp);
 859        bfa_iocfc_stop(&bfad->bfa);
 860        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 861        wait_for_completion(&bfad->comp);
 862
 863        del_timer_sync(&bfad->hal_tmo);
 864        bfa_isr_disable(&bfad->bfa);
 865        bfa_detach(&bfad->bfa);
 866        bfad_remove_intr(bfad);
 867        bfad_hal_mem_release(bfad);
 868
 869        bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
 870}
 871
 872void
 873bfad_drv_start(struct bfad_s *bfad)
 874{
 875        unsigned long   flags;
 876
 877        spin_lock_irqsave(&bfad->bfad_lock, flags);
 878        bfa_iocfc_start(&bfad->bfa);
 879        bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
 880        bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
 881        bfad->bfad_flags |= BFAD_HAL_START_DONE;
 882        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 883
 884        if (bfad->im)
 885                flush_workqueue(bfad->im->drv_workq);
 886}
 887
 888void
 889bfad_fcs_stop(struct bfad_s *bfad)
 890{
 891        unsigned long   flags;
 892
 893        spin_lock_irqsave(&bfad->bfad_lock, flags);
 894        init_completion(&bfad->comp);
 895        bfad->pport.flags |= BFAD_PORT_DELETE;
 896        bfa_fcs_exit(&bfad->bfa_fcs);
 897        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 898        wait_for_completion(&bfad->comp);
 899
 900        bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
 901}
 902
 903void
 904bfad_stop(struct bfad_s *bfad)
 905{
 906        unsigned long   flags;
 907
 908        spin_lock_irqsave(&bfad->bfad_lock, flags);
 909        init_completion(&bfad->comp);
 910        bfa_iocfc_stop(&bfad->bfa);
 911        bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
 912        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 913        wait_for_completion(&bfad->comp);
 914
 915        bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
 916}
 917
 918bfa_status_t
 919bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
 920{
 921        int             rc = BFA_STATUS_OK;
 922
 923        /* Allocate scsi_host for the physical port */
 924        if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
 925            (role & BFA_LPORT_ROLE_FCP_IM)) {
 926                if (bfad->pport.im_port == NULL) {
 927                        rc = BFA_STATUS_FAILED;
 928                        goto out;
 929                }
 930
 931                rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
 932                                                &bfad->pcidev->dev);
 933                if (rc != BFA_STATUS_OK)
 934                        goto out;
 935
 936                bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
 937        }
 938
 939        bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
 940
 941out:
 942        return rc;
 943}
 944
 945void
 946bfad_uncfg_pport(struct bfad_s *bfad)
 947{
 948        if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
 949            (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
 950                bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
 951                bfad_im_port_clean(bfad->pport.im_port);
 952                kfree(bfad->pport.im_port);
 953                bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
 954        }
 955
 956        bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
 957}
 958
 959bfa_status_t
 960bfad_start_ops(struct bfad_s *bfad) {
 961
 962        int     retval;
 963        unsigned long   flags;
 964        struct bfad_vport_s *vport, *vport_new;
 965        struct bfa_fcs_driver_info_s driver_info;
 966
 967        /* Limit min/max. xfer size to [64k-32MB] */
 968        if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
 969                max_xfer_size = BFAD_MIN_SECTORS >> 1;
 970        if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
 971                max_xfer_size = BFAD_MAX_SECTORS >> 1;
 972
 973        /* Fill the driver_info info to fcs*/
 974        memset(&driver_info, 0, sizeof(driver_info));
 975        strlcpy(driver_info.version, BFAD_DRIVER_VERSION,
 976                sizeof(driver_info.version));
 977        if (host_name)
 978                strlcpy(driver_info.host_machine_name, host_name,
 979                        sizeof(driver_info.host_machine_name));
 980        if (os_name)
 981                strlcpy(driver_info.host_os_name, os_name,
 982                        sizeof(driver_info.host_os_name));
 983        if (os_patch)
 984                strlcpy(driver_info.host_os_patch, os_patch,
 985                        sizeof(driver_info.host_os_patch));
 986
 987        strlcpy(driver_info.os_device_name, bfad->pci_name,
 988                sizeof(driver_info.os_device_name));
 989
 990        /* FCS driver info init */
 991        spin_lock_irqsave(&bfad->bfad_lock, flags);
 992        bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
 993
 994        if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
 995                bfa_fcs_update_cfg(&bfad->bfa_fcs);
 996        else
 997                bfa_fcs_init(&bfad->bfa_fcs);
 998
 999        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1000
1001        if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) {
1002                retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
1003                if (retval != BFA_STATUS_OK)
1004                        return BFA_STATUS_FAILED;
1005        }
1006
1007        /* Setup fc host fixed attribute if the lk supports */
1008        bfad_fc_host_init(bfad->pport.im_port);
1009
1010        /* BFAD level FC4 IM specific resource allocation */
1011        retval = bfad_im_probe(bfad);
1012        if (retval != BFA_STATUS_OK) {
1013                printk(KERN_WARNING "bfad_im_probe failed\n");
1014                if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1015                        bfa_sm_set_state(bfad, bfad_sm_failed);
1016                return BFA_STATUS_FAILED;
1017        } else
1018                bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1019
1020        bfad_drv_start(bfad);
1021
1022        /* Complete pbc vport create */
1023        list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1024                                list_entry) {
1025                struct fc_vport_identifiers vid;
1026                struct fc_vport *fc_vport;
1027                char pwwn_buf[BFA_STRING_32];
1028
1029                memset(&vid, 0, sizeof(vid));
1030                vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1031                vid.vport_type = FC_PORTTYPE_NPIV;
1032                vid.disable = false;
1033                vid.node_name = wwn_to_u64((u8 *)
1034                                (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1035                vid.port_name = wwn_to_u64((u8 *)
1036                                (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1037                fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1038                if (!fc_vport) {
1039                        wwn2str(pwwn_buf, vid.port_name);
1040                        printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1041                                " %s\n", bfad->inst_no, pwwn_buf);
1042                }
1043                list_del(&vport->list_entry);
1044                kfree(vport);
1045        }
1046
1047        /*
1048         * If bfa_linkup_delay is set to -1 default; try to retrive the
1049         * value using the bfad_get_linkup_delay(); else use the
1050         * passed in module param value as the bfa_linkup_delay.
1051         */
1052        if (bfa_linkup_delay < 0) {
1053                bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1054                bfad_rport_online_wait(bfad);
1055                bfa_linkup_delay = -1;
1056        } else
1057                bfad_rport_online_wait(bfad);
1058
1059        BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
1060
1061        return BFA_STATUS_OK;
1062}
1063
1064int
1065bfad_worker(void *ptr)
1066{
1067        struct bfad_s *bfad = ptr;
1068        unsigned long flags;
1069
1070        if (kthread_should_stop())
1071                return 0;
1072
1073        /* Send event BFAD_E_INIT_SUCCESS */
1074        bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1075
1076        spin_lock_irqsave(&bfad->bfad_lock, flags);
1077        bfad->bfad_tsk = NULL;
1078        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1079
1080        return 0;
1081}
1082
1083/*
1084 *  BFA driver interrupt functions
1085 */
1086irqreturn_t
1087bfad_intx(int irq, void *dev_id)
1088{
1089        struct bfad_s   *bfad = dev_id;
1090        struct list_head        doneq;
1091        unsigned long   flags;
1092        bfa_boolean_t rc;
1093
1094        spin_lock_irqsave(&bfad->bfad_lock, flags);
1095        rc = bfa_intx(&bfad->bfa);
1096        if (!rc) {
1097                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1098                return IRQ_NONE;
1099        }
1100
1101        bfa_comp_deq(&bfad->bfa, &doneq);
1102        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1103
1104        if (!list_empty(&doneq)) {
1105                bfa_comp_process(&bfad->bfa, &doneq);
1106
1107                spin_lock_irqsave(&bfad->bfad_lock, flags);
1108                bfa_comp_free(&bfad->bfa, &doneq);
1109                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1110        }
1111
1112        return IRQ_HANDLED;
1113
1114}
1115
1116static irqreturn_t
1117bfad_msix(int irq, void *dev_id)
1118{
1119        struct bfad_msix_s *vec = dev_id;
1120        struct bfad_s *bfad = vec->bfad;
1121        struct list_head doneq;
1122        unsigned long   flags;
1123
1124        spin_lock_irqsave(&bfad->bfad_lock, flags);
1125
1126        bfa_msix(&bfad->bfa, vec->msix.entry);
1127        bfa_comp_deq(&bfad->bfa, &doneq);
1128        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1129
1130        if (!list_empty(&doneq)) {
1131                bfa_comp_process(&bfad->bfa, &doneq);
1132
1133                spin_lock_irqsave(&bfad->bfad_lock, flags);
1134                bfa_comp_free(&bfad->bfa, &doneq);
1135                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1136        }
1137
1138        return IRQ_HANDLED;
1139}
1140
1141/*
1142 * Initialize the MSIX entry table.
1143 */
1144static void
1145bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1146                         int mask, int max_bit)
1147{
1148        int     i;
1149        int     match = 0x00000001;
1150
1151        for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1152                if (mask & match) {
1153                        bfad->msix_tab[bfad->nvec].msix.entry = i;
1154                        bfad->msix_tab[bfad->nvec].bfad = bfad;
1155                        msix_entries[bfad->nvec].entry = i;
1156                        bfad->nvec++;
1157                }
1158
1159                match <<= 1;
1160        }
1161
1162}
1163
1164int
1165bfad_install_msix_handler(struct bfad_s *bfad)
1166{
1167        int i, error = 0;
1168
1169        for (i = 0; i < bfad->nvec; i++) {
1170                sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1171                                bfad->pci_name,
1172                                ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1173                                msix_name_cb[i] : msix_name_ct[i]));
1174
1175                error = request_irq(bfad->msix_tab[i].msix.vector,
1176                                    (irq_handler_t) bfad_msix, 0,
1177                                    bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1178                bfa_trc(bfad, i);
1179                bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1180                if (error) {
1181                        int     j;
1182
1183                        for (j = 0; j < i; j++)
1184                                free_irq(bfad->msix_tab[j].msix.vector,
1185                                                &bfad->msix_tab[j]);
1186
1187                        bfad->bfad_flags &= ~BFAD_MSIX_ON;
1188                        pci_disable_msix(bfad->pcidev);
1189
1190                        return 1;
1191                }
1192        }
1193
1194        return 0;
1195}
1196
1197/*
1198 * Setup MSIX based interrupt.
1199 */
1200int
1201bfad_setup_intr(struct bfad_s *bfad)
1202{
1203        int error;
1204        u32 mask = 0, i, num_bit = 0, max_bit = 0;
1205        struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1206        struct pci_dev *pdev = bfad->pcidev;
1207        u16     reg;
1208
1209        /* Call BFA to get the msix map for this PCI function.  */
1210        bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1211
1212        /* Set up the msix entry table */
1213        bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1214
1215        if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1216           (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
1217
1218                error = pci_enable_msix_exact(bfad->pcidev,
1219                                              msix_entries, bfad->nvec);
1220                /* In CT1 & CT2, try to allocate just one vector */
1221                if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
1222                        printk(KERN_WARNING "bfa %s: trying one msix "
1223                               "vector failed to allocate %d[%d]\n",
1224                               bfad->pci_name, bfad->nvec, error);
1225                        bfad->nvec = 1;
1226                        error = pci_enable_msix_exact(bfad->pcidev,
1227                                                      msix_entries, 1);
1228                }
1229
1230                if (error) {
1231                        printk(KERN_WARNING "bfad%d: "
1232                               "pci_enable_msix_exact failed (%d), "
1233                               "use line based.\n",
1234                                bfad->inst_no, error);
1235                        goto line_based;
1236                }
1237
1238                /* Disable INTX in MSI-X mode */
1239                pci_read_config_word(pdev, PCI_COMMAND, &reg);
1240
1241                if (!(reg & PCI_COMMAND_INTX_DISABLE))
1242                        pci_write_config_word(pdev, PCI_COMMAND,
1243                                reg | PCI_COMMAND_INTX_DISABLE);
1244
1245                /* Save the vectors */
1246                for (i = 0; i < bfad->nvec; i++) {
1247                        bfa_trc(bfad, msix_entries[i].vector);
1248                        bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1249                }
1250
1251                bfa_msix_init(&bfad->bfa, bfad->nvec);
1252
1253                bfad->bfad_flags |= BFAD_MSIX_ON;
1254
1255                return 0;
1256        }
1257
1258line_based:
1259        error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx,
1260                            BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad);
1261        if (error)
1262                return error;
1263
1264        bfad->bfad_flags |= BFAD_INTX_ON;
1265
1266        return 0;
1267}
1268
1269void
1270bfad_remove_intr(struct bfad_s *bfad)
1271{
1272        int     i;
1273
1274        if (bfad->bfad_flags & BFAD_MSIX_ON) {
1275                for (i = 0; i < bfad->nvec; i++)
1276                        free_irq(bfad->msix_tab[i].msix.vector,
1277                                        &bfad->msix_tab[i]);
1278
1279                pci_disable_msix(bfad->pcidev);
1280                bfad->bfad_flags &= ~BFAD_MSIX_ON;
1281        } else if (bfad->bfad_flags & BFAD_INTX_ON) {
1282                free_irq(bfad->pcidev->irq, bfad);
1283        }
1284}
1285
1286/*
1287 * PCI probe entry.
1288 */
1289int
1290bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1291{
1292        struct bfad_s   *bfad;
1293        int             error = -ENODEV, retval, i;
1294
1295        /* For single port cards - only claim function 0 */
1296        if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1297                (PCI_FUNC(pdev->devfn) != 0))
1298                return -ENODEV;
1299
1300        bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1301        if (!bfad) {
1302                error = -ENOMEM;
1303                goto out;
1304        }
1305
1306        bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1307        if (!bfad->trcmod) {
1308                printk(KERN_WARNING "Error alloc trace buffer!\n");
1309                error = -ENOMEM;
1310                goto out_alloc_trace_failure;
1311        }
1312
1313        /* TRACE INIT */
1314        bfa_trc_init(bfad->trcmod);
1315        bfa_trc(bfad, bfad_inst);
1316
1317        /* AEN INIT */
1318        INIT_LIST_HEAD(&bfad->free_aen_q);
1319        INIT_LIST_HEAD(&bfad->active_aen_q);
1320        for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1321                list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1322
1323        if (!(bfad_load_fwimg(pdev))) {
1324                kfree(bfad->trcmod);
1325                goto out_alloc_trace_failure;
1326        }
1327
1328        retval = bfad_pci_init(pdev, bfad);
1329        if (retval) {
1330                printk(KERN_WARNING "bfad_pci_init failure!\n");
1331                error = retval;
1332                goto out_pci_init_failure;
1333        }
1334
1335        mutex_lock(&bfad_mutex);
1336        bfad->inst_no = bfad_inst++;
1337        list_add_tail(&bfad->list_entry, &bfad_list);
1338        mutex_unlock(&bfad_mutex);
1339
1340        /* Initializing the state machine: State set to uninit */
1341        bfa_sm_set_state(bfad, bfad_sm_uninit);
1342
1343        spin_lock_init(&bfad->bfad_lock);
1344        spin_lock_init(&bfad->bfad_aen_spinlock);
1345
1346        pci_set_drvdata(pdev, bfad);
1347
1348        bfad->ref_count = 0;
1349        bfad->pport.bfad = bfad;
1350        INIT_LIST_HEAD(&bfad->pbc_vport_list);
1351        INIT_LIST_HEAD(&bfad->vport_list);
1352
1353        /* Setup the debugfs node for this bfad */
1354        if (bfa_debugfs_enable)
1355                bfad_debugfs_init(&bfad->pport);
1356
1357        retval = bfad_drv_init(bfad);
1358        if (retval != BFA_STATUS_OK)
1359                goto out_drv_init_failure;
1360
1361        bfa_sm_send_event(bfad, BFAD_E_CREATE);
1362
1363        if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1364                goto out_bfad_sm_failure;
1365
1366        return 0;
1367
1368out_bfad_sm_failure:
1369        bfad_hal_mem_release(bfad);
1370out_drv_init_failure:
1371        /* Remove the debugfs node for this bfad */
1372        kfree(bfad->regdata);
1373        bfad_debugfs_exit(&bfad->pport);
1374        mutex_lock(&bfad_mutex);
1375        bfad_inst--;
1376        list_del(&bfad->list_entry);
1377        mutex_unlock(&bfad_mutex);
1378        bfad_pci_uninit(pdev, bfad);
1379out_pci_init_failure:
1380        kfree(bfad->trcmod);
1381out_alloc_trace_failure:
1382        kfree(bfad);
1383out:
1384        return error;
1385}
1386
1387/*
1388 * PCI remove entry.
1389 */
1390void
1391bfad_pci_remove(struct pci_dev *pdev)
1392{
1393        struct bfad_s         *bfad = pci_get_drvdata(pdev);
1394        unsigned long   flags;
1395
1396        bfa_trc(bfad, bfad->inst_no);
1397
1398        spin_lock_irqsave(&bfad->bfad_lock, flags);
1399        if (bfad->bfad_tsk != NULL) {
1400                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1401                kthread_stop(bfad->bfad_tsk);
1402        } else {
1403                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1404        }
1405
1406        /* Send Event BFAD_E_STOP */
1407        bfa_sm_send_event(bfad, BFAD_E_STOP);
1408
1409        /* Driver detach and dealloc mem */
1410        spin_lock_irqsave(&bfad->bfad_lock, flags);
1411        bfa_detach(&bfad->bfa);
1412        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1413        bfad_hal_mem_release(bfad);
1414
1415        /* Remove the debugfs node for this bfad */
1416        kfree(bfad->regdata);
1417        bfad_debugfs_exit(&bfad->pport);
1418
1419        /* Cleaning the BFAD instance */
1420        mutex_lock(&bfad_mutex);
1421        bfad_inst--;
1422        list_del(&bfad->list_entry);
1423        mutex_unlock(&bfad_mutex);
1424        bfad_pci_uninit(pdev, bfad);
1425
1426        kfree(bfad->trcmod);
1427        kfree(bfad);
1428}
1429
1430/*
1431 * PCI Error Recovery entry, error detected.
1432 */
1433static pci_ers_result_t
1434bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1435{
1436        struct bfad_s *bfad = pci_get_drvdata(pdev);
1437        unsigned long   flags;
1438        pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1439
1440        dev_printk(KERN_ERR, &pdev->dev,
1441                   "error detected state: %d - flags: 0x%x\n",
1442                   state, bfad->bfad_flags);
1443
1444        switch (state) {
1445        case pci_channel_io_normal: /* non-fatal error */
1446                spin_lock_irqsave(&bfad->bfad_lock, flags);
1447                bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1448                /* Suspend/fail all bfa operations */
1449                bfa_ioc_suspend(&bfad->bfa.ioc);
1450                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1451                del_timer_sync(&bfad->hal_tmo);
1452                ret = PCI_ERS_RESULT_CAN_RECOVER;
1453                break;
1454        case pci_channel_io_frozen: /* fatal error */
1455                init_completion(&bfad->comp);
1456                spin_lock_irqsave(&bfad->bfad_lock, flags);
1457                bfad->bfad_flags |= BFAD_EEH_BUSY;
1458                /* Suspend/fail all bfa operations */
1459                bfa_ioc_suspend(&bfad->bfa.ioc);
1460                bfa_fcs_stop(&bfad->bfa_fcs);
1461                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1462                wait_for_completion(&bfad->comp);
1463
1464                bfad_remove_intr(bfad);
1465                del_timer_sync(&bfad->hal_tmo);
1466                pci_disable_device(pdev);
1467                ret = PCI_ERS_RESULT_NEED_RESET;
1468                break;
1469        case pci_channel_io_perm_failure: /* PCI Card is DEAD */
1470                spin_lock_irqsave(&bfad->bfad_lock, flags);
1471                bfad->bfad_flags |= BFAD_EEH_BUSY |
1472                                    BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1473                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1474
1475                /* If the error_detected handler is called with the reason
1476                 * pci_channel_io_perm_failure - it will subsequently call
1477                 * pci_remove() entry point to remove the pci device from the
1478                 * system - So defer the cleanup to pci_remove(); cleaning up
1479                 * here causes inconsistent state during pci_remove().
1480                 */
1481                ret = PCI_ERS_RESULT_DISCONNECT;
1482                break;
1483        default:
1484                WARN_ON(1);
1485        }
1486
1487        return ret;
1488}
1489
1490static int restart_bfa(struct bfad_s *bfad)
1491{
1492        unsigned long flags;
1493        struct pci_dev *pdev = bfad->pcidev;
1494
1495        bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1496                   &bfad->meminfo, &bfad->hal_pcidev);
1497
1498        /* Enable Interrupt and wait bfa_init completion */
1499        if (bfad_setup_intr(bfad)) {
1500                dev_printk(KERN_WARNING, &pdev->dev,
1501                           "%s: bfad_setup_intr failed\n", bfad->pci_name);
1502                bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
1503                return -1;
1504        }
1505
1506        init_completion(&bfad->comp);
1507        spin_lock_irqsave(&bfad->bfad_lock, flags);
1508        bfa_iocfc_init(&bfad->bfa);
1509        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1510
1511        /* Set up interrupt handler for each vectors */
1512        if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1513            bfad_install_msix_handler(bfad))
1514                dev_printk(KERN_WARNING, &pdev->dev,
1515                           "%s: install_msix failed.\n", bfad->pci_name);
1516
1517        bfad_init_timer(bfad);
1518        wait_for_completion(&bfad->comp);
1519        bfad_drv_start(bfad);
1520
1521        return 0;
1522}
1523
1524/*
1525 * PCI Error Recovery entry, re-initialize the chip.
1526 */
1527static pci_ers_result_t
1528bfad_pci_slot_reset(struct pci_dev *pdev)
1529{
1530        struct bfad_s *bfad = pci_get_drvdata(pdev);
1531        u8 byte;
1532        int rc;
1533
1534        dev_printk(KERN_ERR, &pdev->dev,
1535                   "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1536
1537        if (pci_enable_device(pdev)) {
1538                dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1539                           "PCI device after reset.\n");
1540                return PCI_ERS_RESULT_DISCONNECT;
1541        }
1542
1543        pci_restore_state(pdev);
1544
1545        /*
1546         * Read some byte (e.g. DMA max. payload size which can't
1547         * be 0xff any time) to make sure - we did not hit another PCI error
1548         * in the middle of recovery. If we did, then declare permanent failure.
1549         */
1550        pci_read_config_byte(pdev, 0x68, &byte);
1551        if (byte == 0xff) {
1552                dev_printk(KERN_ERR, &pdev->dev,
1553                           "slot_reset failed ... got another PCI error !\n");
1554                goto out_disable_device;
1555        }
1556
1557        pci_save_state(pdev);
1558        pci_set_master(pdev);
1559
1560        rc = dma_set_mask_and_coherent(&bfad->pcidev->dev, DMA_BIT_MASK(64));
1561        if (rc)
1562                rc = dma_set_mask_and_coherent(&bfad->pcidev->dev,
1563                                               DMA_BIT_MASK(32));
1564        if (rc)
1565                goto out_disable_device;
1566
1567        if (restart_bfa(bfad) == -1)
1568                goto out_disable_device;
1569
1570        pci_enable_pcie_error_reporting(pdev);
1571        dev_printk(KERN_WARNING, &pdev->dev,
1572                   "slot_reset completed  flags: 0x%x!\n", bfad->bfad_flags);
1573
1574        return PCI_ERS_RESULT_RECOVERED;
1575
1576out_disable_device:
1577        pci_disable_device(pdev);
1578        return PCI_ERS_RESULT_DISCONNECT;
1579}
1580
1581static pci_ers_result_t
1582bfad_pci_mmio_enabled(struct pci_dev *pdev)
1583{
1584        unsigned long   flags;
1585        struct bfad_s *bfad = pci_get_drvdata(pdev);
1586
1587        dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1588
1589        /* Fetch FW diagnostic information */
1590        bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1591
1592        /* Cancel all pending IOs */
1593        spin_lock_irqsave(&bfad->bfad_lock, flags);
1594        init_completion(&bfad->comp);
1595        bfa_fcs_stop(&bfad->bfa_fcs);
1596        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1597        wait_for_completion(&bfad->comp);
1598
1599        bfad_remove_intr(bfad);
1600        del_timer_sync(&bfad->hal_tmo);
1601        pci_disable_device(pdev);
1602
1603        return PCI_ERS_RESULT_NEED_RESET;
1604}
1605
1606static void
1607bfad_pci_resume(struct pci_dev *pdev)
1608{
1609        unsigned long   flags;
1610        struct bfad_s *bfad = pci_get_drvdata(pdev);
1611
1612        dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1613
1614        /* wait until the link is online */
1615        bfad_rport_online_wait(bfad);
1616
1617        spin_lock_irqsave(&bfad->bfad_lock, flags);
1618        bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1619        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1620}
1621
1622struct pci_device_id bfad_id_table[] = {
1623        {
1624                .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1625                .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1626                .subvendor = PCI_ANY_ID,
1627                .subdevice = PCI_ANY_ID,
1628        },
1629        {
1630                .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1631                .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1632                .subvendor = PCI_ANY_ID,
1633                .subdevice = PCI_ANY_ID,
1634        },
1635        {
1636                .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1637                .device = BFA_PCI_DEVICE_ID_CT,
1638                .subvendor = PCI_ANY_ID,
1639                .subdevice = PCI_ANY_ID,
1640                .class = (PCI_CLASS_SERIAL_FIBER << 8),
1641                .class_mask = ~0,
1642        },
1643        {
1644                .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1645                .device = BFA_PCI_DEVICE_ID_CT_FC,
1646                .subvendor = PCI_ANY_ID,
1647                .subdevice = PCI_ANY_ID,
1648                .class = (PCI_CLASS_SERIAL_FIBER << 8),
1649                .class_mask = ~0,
1650        },
1651        {
1652                .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1653                .device = BFA_PCI_DEVICE_ID_CT2,
1654                .subvendor = PCI_ANY_ID,
1655                .subdevice = PCI_ANY_ID,
1656                .class = (PCI_CLASS_SERIAL_FIBER << 8),
1657                .class_mask = ~0,
1658        },
1659
1660        {
1661                .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1662                .device = BFA_PCI_DEVICE_ID_CT2_QUAD,
1663                .subvendor = PCI_ANY_ID,
1664                .subdevice = PCI_ANY_ID,
1665                .class = (PCI_CLASS_SERIAL_FIBER << 8),
1666                .class_mask = ~0,
1667        },
1668        {0, 0},
1669};
1670
1671MODULE_DEVICE_TABLE(pci, bfad_id_table);
1672
1673/*
1674 * PCI error recovery handlers.
1675 */
1676static struct pci_error_handlers bfad_err_handler = {
1677        .error_detected = bfad_pci_error_detected,
1678        .slot_reset = bfad_pci_slot_reset,
1679        .mmio_enabled = bfad_pci_mmio_enabled,
1680        .resume = bfad_pci_resume,
1681};
1682
1683static struct pci_driver bfad_pci_driver = {
1684        .name = BFAD_DRIVER_NAME,
1685        .id_table = bfad_id_table,
1686        .probe = bfad_pci_probe,
1687        .remove = bfad_pci_remove,
1688        .err_handler = &bfad_err_handler,
1689};
1690
1691/*
1692 * Driver module init.
1693 */
1694static int __init
1695bfad_init(void)
1696{
1697        int             error = 0;
1698
1699        pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n",
1700                        BFAD_DRIVER_VERSION);
1701
1702        if (num_sgpgs > 0)
1703                num_sgpgs_parm = num_sgpgs;
1704
1705        error = bfad_im_module_init();
1706        if (error) {
1707                error = -ENOMEM;
1708                printk(KERN_WARNING "bfad_im_module_init failure\n");
1709                goto ext;
1710        }
1711
1712        if (strcmp(FCPI_NAME, " fcpim") == 0)
1713                supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1714
1715        bfa_auto_recover = ioc_auto_recover;
1716        bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1717        bfa_fcs_rport_set_max_logins(max_rport_logins);
1718
1719        error = pci_register_driver(&bfad_pci_driver);
1720        if (error) {
1721                printk(KERN_WARNING "pci_register_driver failure\n");
1722                goto ext;
1723        }
1724
1725        return 0;
1726
1727ext:
1728        bfad_im_module_exit();
1729        return error;
1730}
1731
1732/*
1733 * Driver module exit.
1734 */
1735static void __exit
1736bfad_exit(void)
1737{
1738        pci_unregister_driver(&bfad_pci_driver);
1739        bfad_im_module_exit();
1740        bfad_free_fwimg();
1741}
1742
1743/* Firmware handling */
1744static void
1745bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1746                u32 *bfi_image_size, char *fw_name)
1747{
1748        const struct firmware *fw;
1749
1750        if (request_firmware(&fw, fw_name, &pdev->dev)) {
1751                printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1752                *bfi_image = NULL;
1753                goto out;
1754        }
1755
1756        *bfi_image = vmalloc(fw->size);
1757        if (NULL == *bfi_image) {
1758                printk(KERN_ALERT "Fail to allocate buffer for fw image "
1759                        "size=%x!\n", (u32) fw->size);
1760                goto out;
1761        }
1762
1763        memcpy(*bfi_image, fw->data, fw->size);
1764        *bfi_image_size = fw->size/sizeof(u32);
1765out:
1766        release_firmware(fw);
1767}
1768
1769static u32 *
1770bfad_load_fwimg(struct pci_dev *pdev)
1771{
1772        if (bfa_asic_id_ct2(pdev->device)) {
1773                if (bfi_image_ct2_size == 0)
1774                        bfad_read_firmware(pdev, &bfi_image_ct2,
1775                                &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1776                return bfi_image_ct2;
1777        } else if (bfa_asic_id_ct(pdev->device)) {
1778                if (bfi_image_ct_size == 0)
1779                        bfad_read_firmware(pdev, &bfi_image_ct,
1780                                &bfi_image_ct_size, BFAD_FW_FILE_CT);
1781                return bfi_image_ct;
1782        } else if (bfa_asic_id_cb(pdev->device)) {
1783                if (bfi_image_cb_size == 0)
1784                        bfad_read_firmware(pdev, &bfi_image_cb,
1785                                &bfi_image_cb_size, BFAD_FW_FILE_CB);
1786                return bfi_image_cb;
1787        }
1788
1789        return NULL;
1790}
1791
1792static void
1793bfad_free_fwimg(void)
1794{
1795        if (bfi_image_ct2_size && bfi_image_ct2)
1796                vfree(bfi_image_ct2);
1797        if (bfi_image_ct_size && bfi_image_ct)
1798                vfree(bfi_image_ct);
1799        if (bfi_image_cb_size && bfi_image_cb)
1800                vfree(bfi_image_cb);
1801}
1802
1803module_init(bfad_init);
1804module_exit(bfad_exit);
1805MODULE_LICENSE("GPL");
1806MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1807MODULE_AUTHOR("QLogic Corporation");
1808MODULE_VERSION(BFAD_DRIVER_VERSION);
1809