drivers/scsi/bfa/bfad.c

   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
  31 BFA_TRC_FILE(LDRV, BFAD);
  32 DEFINE_MUTEX(bfad_mutex);
  33 LIST_HEAD(bfad_list);
  34
  35 static int      bfad_inst;
  36 static int      num_sgpgs_parm;
  37 int             supported_fc4s;
  38 char            *host_name, *os_name, *os_patch;
  39 int             num_rports, num_ios, num_tms;
  40 int             num_fcxps, num_ufbufs;
  41 int             reqq_size, rspq_size, num_sgpgs;
  42 int             rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
  43 int             bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
  44 int             bfa_io_max_sge = BFAD_IO_MAX_SGE;
  45 int             bfa_log_level = 3; /* WARNING log level */
  46 int             ioc_auto_recover = BFA_TRUE;
  47 int             bfa_linkup_delay = -1;
  48 int             fdmi_enable = BFA_TRUE;
  49 int             pcie_max_read_reqsz;
  50 int             bfa_debugfs_enable = 1;
  51 int             msix_disable_cb = 0, msix_disable_ct = 0;
  52 int             max_xfer_size = BFAD_MAX_SECTORS >> 1;
  53 static int      max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS;
  54
  55 /* Firmware releated */
  56 u32     bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size;
  57 u32     *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
  63 static u32 *bfad_load_fwimg(struct pci_dev *pdev);
  64 static void bfad_free_fwimg(void);
  65 static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
  66                 u32 *bfi_image_size, char *fw_name);
  67
  68 static const char *msix_name_ct[] = {
  69         "ctrl",
  70         "cpe0", "cpe1", "cpe2", "cpe3",
  71         "rme0", "rme1", "rme2", "rme3" };
  72
  73 static const char *msix_name_cb[] = {
  74         "cpe0", "cpe1", "cpe2", "cpe3",
  75         "rme0", "rme1", "rme2", "rme3",
  76         "eemc", "elpu0", "elpu1", "epss", "mlpu" };
  77
  78 MODULE_FIRMWARE(BFAD_FW_FILE_CB);
  79 MODULE_FIRMWARE(BFAD_FW_FILE_CT);
  80 MODULE_FIRMWARE(BFAD_FW_FILE_CT2);
  81
  82 module_param(os_name, charp, S_IRUGO | S_IWUSR);
  83 MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
  84 module_param(os_patch, charp, S_IRUGO | S_IWUSR);
  85 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
  86 module_param(host_name, charp, S_IRUGO | S_IWUSR);
  87 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
  88 module_param(num_rports, int, S_IRUGO | S_IWUSR);
  89 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
  90                                 "(physical/logical), default=1024");
  91 module_param(num_ios, int, S_IRUGO | S_IWUSR);
  92 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
  93 module_param(num_tms, int, S_IRUGO | S_IWUSR);
  94 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
  95 module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
  96 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
  97 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
  98 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
  99                                 "buffers, default=64");
 100 module_param(reqq_size, int, S_IRUGO | S_IWUSR);
 101 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
 102                                 "default=256");
 103 module_param(rspq_size, int, S_IRUGO | S_IWUSR);
 104 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
 105                                 "default=64");
 106 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
 107 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
 108 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
 109 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
 110                                         "Range[>0]");
 111 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
 112 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
 113 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
 114 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
 115 module_param(bfa_log_level, int, S_IRUGO | S_IWUSR);
 116 MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, "
 117                                 "Range[Critical:1|Error:2|Warning:3|Info:4]");
 118 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
 119 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
 120                                 "Range[off:0|on:1]");
 121 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
 122 MODULE_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]");
 125 module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
 126 MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts for QLogic-415/425/815/825 cards, default=0 Range[false:0|true:1]");
 127 module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
 128 MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts if possible for QLogic-1010/1020/804/1007/902/1741 cards, default=0, Range[false:0|true:1]");
 129 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
 130 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, "
 131                                 "Range[false:0|true:1]");
 132 module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR);
 133 MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 "
 134                 "(use system setting), Range[128|256|512|1024|2048|4096]");
 135 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
 136 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
 137                 " Range[false:0|true:1]");
 138 module_param(max_xfer_size, int, S_IRUGO | S_IWUSR);
 139 MODULE_PARM_DESC(max_xfer_size, "default=32MB,"
 140                 " Range[64k|128k|256k|512k|1024k|2048k]");
 141 module_param(max_rport_logins, int, S_IRUGO | S_IWUSR);
 142 MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024");
 143
 144 static void
 145 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
 146 static void
 147 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
 148 static void
 149 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
 150 static void
 151 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
 152 static void
 153 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
 154 static void
 155 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
 156 static void
 157 bfad_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  */
 162 static void
 163 bfad_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  */
 192 static void
 193 bfad_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
 268 static void
 269 bfad_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
 307 static void
 308 bfad_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
 338 static void
 339 bfad_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
 354 static void
 355 bfad_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
 370 static void
 371 bfad_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  */
 394 void
 395 bfad_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  */
 406 void
 407 bfa_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  */
 431 struct bfad_port_s *
 432 bfa_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  */
 470 bfa_status_t
 471 bfa_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
 484 ext:
 485         return rc;
 486 }
 487
 488 /*
 489  * FCS PBC VPORT Create
 490  */
 491 void
 492 bfa_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
 522 void
 523 bfad_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
 550 void
 551 bfad_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
 584 bfa_status_t
 585 bfad_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         }
 627 ext:
 628         return rc;
 629 }
 630
 631 /*
 632  * Create a vport under a vf.
 633  */
 634 bfa_status_t
 635 bfad_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
 672 ext_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);
 679 ext_free_vport:
 680         kfree(vport);
 681 ext:
 682         return rc;
 683 }
 684
 685 void
 686 bfad_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
 710 void
 711 bfad_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
 719 int
 720 bfad_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 = -ENODEV;
 737                 printk(KERN_ERR "dma_set_mask_and_coherent fail %p\n", pdev);
 738                 goto out_release_region;
 739         }
 740
 741         /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */
 742         pci_enable_pcie_error_reporting(pdev);
 743
 744         bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
 745         bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
 746
 747         if (bfad->pci_bar0_kva == NULL) {
 748                 printk(KERN_ERR "Fail to map bar0\n");
 749                 rc = -ENODEV;
 750                 goto out_release_region;
 751         }
 752
 753         bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
 754         bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
 755         bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
 756         bfad->hal_pcidev.device_id = pdev->device;
 757         bfad->hal_pcidev.ssid = pdev->subsystem_device;
 758         bfad->pci_name = pci_name(pdev);
 759
 760         bfad->pci_attr.vendor_id = pdev->vendor;
 761         bfad->pci_attr.device_id = pdev->device;
 762         bfad->pci_attr.ssid = pdev->subsystem_device;
 763         bfad->pci_attr.ssvid = pdev->subsystem_vendor;
 764         bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
 765
 766         bfad->pcidev = pdev;
 767
 768         /* Adjust PCIe Maximum Read Request Size */
 769         if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
 770                 if (pcie_max_read_reqsz >= 128 &&
 771                     pcie_max_read_reqsz <= 4096 &&
 772                     is_power_of_2(pcie_max_read_reqsz)) {
 773                         int max_rq = pcie_get_readrq(pdev);
 774                         printk(KERN_WARNING "BFA[%s]: "
 775                                 "pcie_max_read_request_size is %d, "
 776                                 "reset to %d\n", bfad->pci_name, max_rq,
 777                                 pcie_max_read_reqsz);
 778                         pcie_set_readrq(pdev, pcie_max_read_reqsz);
 779                 } else {
 780                         printk(KERN_WARNING "BFA[%s]: invalid "
 781                                "pcie_max_read_request_size %d ignored\n",
 782                                bfad->pci_name, pcie_max_read_reqsz);
 783                 }
 784         }
 785
 786         pci_save_state(pdev);
 787
 788         return 0;
 789
 790 out_release_region:
 791         pci_release_regions(pdev);
 792 out_disable_device:
 793         pci_disable_device(pdev);
 794 out:
 795         return rc;
 796 }
 797
 798 void
 799 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
 800 {
 801         pci_iounmap(pdev, bfad->pci_bar0_kva);
 802         pci_iounmap(pdev, bfad->pci_bar2_kva);
 803         pci_release_regions(pdev);
 804         /* Disable PCIE Advanced Error Recovery (AER) */
 805         pci_disable_pcie_error_reporting(pdev);
 806         pci_disable_device(pdev);
 807 }
 808
 809 bfa_status_t
 810 bfad_drv_init(struct bfad_s *bfad)
 811 {
 812         bfa_status_t    rc;
 813         unsigned long   flags;
 814
 815         bfad->cfg_data.rport_del_timeout = rport_del_timeout;
 816         bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
 817         bfad->cfg_data.io_max_sge = bfa_io_max_sge;
 818         bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
 819
 820         rc = bfad_hal_mem_alloc(bfad);
 821         if (rc != BFA_STATUS_OK) {
 822                 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
 823                        bfad->inst_no);
 824                 printk(KERN_WARNING
 825                         "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n");
 826                 return BFA_STATUS_FAILED;
 827         }
 828
 829         bfad->bfa.trcmod = bfad->trcmod;
 830         bfad->bfa.plog = &bfad->plog_buf;
 831         bfa_plog_init(&bfad->plog_buf);
 832         bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
 833                      0, "Driver Attach");
 834
 835         bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
 836                    &bfad->hal_pcidev);
 837
 838         /* FCS INIT */
 839         spin_lock_irqsave(&bfad->bfad_lock, flags);
 840         bfad->bfa_fcs.trcmod = bfad->trcmod;
 841         bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
 842         bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
 843         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 844
 845         bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
 846
 847         return BFA_STATUS_OK;
 848 }
 849
 850 void
 851 bfad_drv_uninit(struct bfad_s *bfad)
 852 {
 853         unsigned long   flags;
 854
 855         spin_lock_irqsave(&bfad->bfad_lock, flags);
 856         init_completion(&bfad->comp);
 857         bfa_iocfc_stop(&bfad->bfa);
 858         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 859         wait_for_completion(&bfad->comp);
 860
 861         del_timer_sync(&bfad->hal_tmo);
 862         bfa_isr_disable(&bfad->bfa);
 863         bfa_detach(&bfad->bfa);
 864         bfad_remove_intr(bfad);
 865         bfad_hal_mem_release(bfad);
 866
 867         bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
 868 }
 869
 870 void
 871 bfad_drv_start(struct bfad_s *bfad)
 872 {
 873         unsigned long   flags;
 874
 875         spin_lock_irqsave(&bfad->bfad_lock, flags);
 876         bfa_iocfc_start(&bfad->bfa);
 877         bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
 878         bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
 879         bfad->bfad_flags |= BFAD_HAL_START_DONE;
 880         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 881
 882         if (bfad->im)
 883                 flush_workqueue(bfad->im->drv_workq);
 884 }
 885
 886 void
 887 bfad_fcs_stop(struct bfad_s *bfad)
 888 {
 889         unsigned long   flags;
 890
 891         spin_lock_irqsave(&bfad->bfad_lock, flags);
 892         init_completion(&bfad->comp);
 893         bfad->pport.flags |= BFAD_PORT_DELETE;
 894         bfa_fcs_exit(&bfad->bfa_fcs);
 895         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 896         wait_for_completion(&bfad->comp);
 897
 898         bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
 899 }
 900
 901 void
 902 bfad_stop(struct bfad_s *bfad)
 903 {
 904         unsigned long   flags;
 905
 906         spin_lock_irqsave(&bfad->bfad_lock, flags);
 907         init_completion(&bfad->comp);
 908         bfa_iocfc_stop(&bfad->bfa);
 909         bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
 910         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 911         wait_for_completion(&bfad->comp);
 912
 913         bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
 914 }
 915
 916 bfa_status_t
 917 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
 918 {
 919         int             rc = BFA_STATUS_OK;
 920
 921         /* Allocate scsi_host for the physical port */
 922         if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
 923             (role & BFA_LPORT_ROLE_FCP_IM)) {
 924                 if (bfad->pport.im_port == NULL) {
 925                         rc = BFA_STATUS_FAILED;
 926                         goto out;
 927                 }
 928
 929                 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
 930                                                 &bfad->pcidev->dev);
 931                 if (rc != BFA_STATUS_OK)
 932                         goto out;
 933
 934                 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
 935         }
 936
 937         bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
 938
 939 out:
 940         return rc;
 941 }
 942
 943 void
 944 bfad_uncfg_pport(struct bfad_s *bfad)
 945 {
 946         if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
 947             (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
 948                 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
 949                 bfad_im_port_clean(bfad->pport.im_port);
 950                 kfree(bfad->pport.im_port);
 951                 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
 952         }
 953
 954         bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
 955 }
 956
 957 bfa_status_t
 958 bfad_start_ops(struct bfad_s *bfad) {
 959
 960         int     retval;
 961         unsigned long   flags;
 962         struct bfad_vport_s *vport, *vport_new;
 963         struct bfa_fcs_driver_info_s driver_info;
 964
 965         /* Limit min/max. xfer size to [64k-32MB] */
 966         if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
 967                 max_xfer_size = BFAD_MIN_SECTORS >> 1;
 968         if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
 969                 max_xfer_size = BFAD_MAX_SECTORS >> 1;
 970
 971         /* Fill the driver_info info to fcs*/
 972         memset(&driver_info, 0, sizeof(driver_info));
 973         strlcpy(driver_info.version, BFAD_DRIVER_VERSION,
 974                 sizeof(driver_info.version));
 975         if (host_name)
 976                 strlcpy(driver_info.host_machine_name, host_name,
 977                         sizeof(driver_info.host_machine_name));
 978         if (os_name)
 979                 strlcpy(driver_info.host_os_name, os_name,
 980                         sizeof(driver_info.host_os_name));
 981         if (os_patch)
 982                 strlcpy(driver_info.host_os_patch, os_patch,
 983                         sizeof(driver_info.host_os_patch));
 984
 985         strlcpy(driver_info.os_device_name, bfad->pci_name,
 986                 sizeof(driver_info.os_device_name));
 987
 988         /* FCS driver info init */
 989         spin_lock_irqsave(&bfad->bfad_lock, flags);
 990         bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
 991
 992         if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
 993                 bfa_fcs_update_cfg(&bfad->bfa_fcs);
 994         else
 995                 bfa_fcs_init(&bfad->bfa_fcs);
 996
 997         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 998
 999         if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) {
1000                 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
1001                 if (retval != BFA_STATUS_OK)
1002                         return BFA_STATUS_FAILED;
1003         }
1004
1005         /* Setup fc host fixed attribute if the lk supports */
1006         bfad_fc_host_init(bfad->pport.im_port);
1007
1008         /* BFAD level FC4 IM specific resource allocation */
1009         retval = bfad_im_probe(bfad);
1010         if (retval != BFA_STATUS_OK) {
1011                 printk(KERN_WARNING "bfad_im_probe failed\n");
1012                 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1013                         bfa_sm_set_state(bfad, bfad_sm_failed);
1014                 return BFA_STATUS_FAILED;
1015         } else
1016                 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1017
1018         bfad_drv_start(bfad);
1019
1020         /* Complete pbc vport create */
1021         list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1022                                 list_entry) {
1023                 struct fc_vport_identifiers vid;
1024                 struct fc_vport *fc_vport;
1025                 char pwwn_buf[BFA_STRING_32];
1026
1027                 memset(&vid, 0, sizeof(vid));
1028                 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1029                 vid.vport_type = FC_PORTTYPE_NPIV;
1030                 vid.disable = false;
1031                 vid.node_name = wwn_to_u64((u8 *)
1032                                 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1033                 vid.port_name = wwn_to_u64((u8 *)
1034                                 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1035                 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1036                 if (!fc_vport) {
1037                         wwn2str(pwwn_buf, vid.port_name);
1038                         printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1039                                 " %s\n", bfad->inst_no, pwwn_buf);
1040                 }
1041                 list_del(&vport->list_entry);
1042                 kfree(vport);
1043         }
1044
1045         /*
1046          * If bfa_linkup_delay is set to -1 default; try to retrive the
1047          * value using the bfad_get_linkup_delay(); else use the
1048          * passed in module param value as the bfa_linkup_delay.
1049          */
1050         if (bfa_linkup_delay < 0) {
1051                 bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1052                 bfad_rport_online_wait(bfad);
1053                 bfa_linkup_delay = -1;
1054         } else
1055                 bfad_rport_online_wait(bfad);
1056
1057         BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
1058
1059         return BFA_STATUS_OK;
1060 }
1061
1062 int
1063 bfad_worker(void *ptr)
1064 {
1065         struct bfad_s *bfad = ptr;
1066         unsigned long flags;
1067
1068         if (kthread_should_stop())
1069                 return 0;
1070
1071         /* Send event BFAD_E_INIT_SUCCESS */
1072         bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1073
1074         spin_lock_irqsave(&bfad->bfad_lock, flags);
1075         bfad->bfad_tsk = NULL;
1076         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1077
1078         return 0;
1079 }
1080
1081 /*
1082  *  BFA driver interrupt functions
1083  */
1084 irqreturn_t
1085 bfad_intx(int irq, void *dev_id)
1086 {
1087         struct bfad_s   *bfad = dev_id;
1088         struct list_head        doneq;
1089         unsigned long   flags;
1090         bfa_boolean_t rc;
1091
1092         spin_lock_irqsave(&bfad->bfad_lock, flags);
1093         rc = bfa_intx(&bfad->bfa);
1094         if (!rc) {
1095                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1096                 return IRQ_NONE;
1097         }
1098
1099         bfa_comp_deq(&bfad->bfa, &doneq);
1100         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1101
1102         if (!list_empty(&doneq)) {
1103                 bfa_comp_process(&bfad->bfa, &doneq);
1104
1105                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1106                 bfa_comp_free(&bfad->bfa, &doneq);
1107                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1108         }
1109
1110         return IRQ_HANDLED;
1111
1112 }
1113
1114 static irqreturn_t
1115 bfad_msix(int irq, void *dev_id)
1116 {
1117         struct bfad_msix_s *vec = dev_id;
1118         struct bfad_s *bfad = vec->bfad;
1119         struct list_head doneq;
1120         unsigned long   flags;
1121
1122         spin_lock_irqsave(&bfad->bfad_lock, flags);
1123
1124         bfa_msix(&bfad->bfa, vec->msix.entry);
1125         bfa_comp_deq(&bfad->bfa, &doneq);
1126         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1127
1128         if (!list_empty(&doneq)) {
1129                 bfa_comp_process(&bfad->bfa, &doneq);
1130
1131                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1132                 bfa_comp_free(&bfad->bfa, &doneq);
1133                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1134         }
1135
1136         return IRQ_HANDLED;
1137 }
1138
1139 /*
1140  * Initialize the MSIX entry table.
1141  */
1142 static void
1143 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1144                          int mask, int max_bit)
1145 {
1146         int     i;
1147         int     match = 0x00000001;
1148
1149         for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1150                 if (mask & match) {
1151                         bfad->msix_tab[bfad->nvec].msix.entry = i;
1152                         bfad->msix_tab[bfad->nvec].bfad = bfad;
1153                         msix_entries[bfad->nvec].entry = i;
1154                         bfad->nvec++;
1155                 }
1156
1157                 match <<= 1;
1158         }
1159
1160 }
1161
1162 int
1163 bfad_install_msix_handler(struct bfad_s *bfad)
1164 {
1165         int i, error = 0;
1166
1167         for (i = 0; i < bfad->nvec; i++) {
1168                 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1169                                 bfad->pci_name,
1170                                 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1171                                 msix_name_cb[i] : msix_name_ct[i]));
1172
1173                 error = request_irq(bfad->msix_tab[i].msix.vector,
1174                                     (irq_handler_t) bfad_msix, 0,
1175                                     bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1176                 bfa_trc(bfad, i);
1177                 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1178                 if (error) {
1179                         int     j;
1180
1181                         for (j = 0; j < i; j++)
1182                                 free_irq(bfad->msix_tab[j].msix.vector,
1183                                                 &bfad->msix_tab[j]);
1184
1185                         bfad->bfad_flags &= ~BFAD_MSIX_ON;
1186                         pci_disable_msix(bfad->pcidev);
1187
1188                         return 1;
1189                 }
1190         }
1191
1192         return 0;
1193 }
1194
1195 /*
1196  * Setup MSIX based interrupt.
1197  */
1198 int
1199 bfad_setup_intr(struct bfad_s *bfad)
1200 {
1201         int error;
1202         u32 mask = 0, i, num_bit = 0, max_bit = 0;
1203         struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1204         struct pci_dev *pdev = bfad->pcidev;
1205         u16     reg;
1206
1207         /* Call BFA to get the msix map for this PCI function.  */
1208         bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1209
1210         /* Set up the msix entry table */
1211         bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1212
1213         if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1214            (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
1215
1216                 error = pci_enable_msix_exact(bfad->pcidev,
1217                                               msix_entries, bfad->nvec);
1218                 /* In CT1 & CT2, try to allocate just one vector */
1219                 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
1220                         printk(KERN_WARNING "bfa %s: trying one msix "
1221                                "vector failed to allocate %d[%d]\n",
1222                                bfad->pci_name, bfad->nvec, error);
1223                         bfad->nvec = 1;
1224                         error = pci_enable_msix_exact(bfad->pcidev,
1225                                                       msix_entries, 1);
1226                 }
1227
1228                 if (error) {
1229                         printk(KERN_WARNING "bfad%d: "
1230                                "pci_enable_msix_exact failed (%d), "
1231                                "use line based.\n",
1232                                 bfad->inst_no, error);
1233                         goto line_based;
1234                 }
1235
1236                 /* Disable INTX in MSI-X mode */
1237                 pci_read_config_word(pdev, PCI_COMMAND, &reg);
1238
1239                 if (!(reg & PCI_COMMAND_INTX_DISABLE))
1240                         pci_write_config_word(pdev, PCI_COMMAND,
1241                                 reg | PCI_COMMAND_INTX_DISABLE);
1242
1243                 /* Save the vectors */
1244                 for (i = 0; i < bfad->nvec; i++) {
1245                         bfa_trc(bfad, msix_entries[i].vector);
1246                         bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1247                 }
1248
1249                 bfa_msix_init(&bfad->bfa, bfad->nvec);
1250
1251                 bfad->bfad_flags |= BFAD_MSIX_ON;
1252
1253                 return 0;
1254         }
1255
1256 line_based:
1257         error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx,
1258                             BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad);
1259         if (error)
1260                 return error;
1261
1262         bfad->bfad_flags |= BFAD_INTX_ON;
1263
1264         return 0;
1265 }
1266
1267 void
1268 bfad_remove_intr(struct bfad_s *bfad)
1269 {
1270         int     i;
1271
1272         if (bfad->bfad_flags & BFAD_MSIX_ON) {
1273                 for (i = 0; i < bfad->nvec; i++)
1274                         free_irq(bfad->msix_tab[i].msix.vector,
1275                                         &bfad->msix_tab[i]);
1276
1277                 pci_disable_msix(bfad->pcidev);
1278                 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1279         } else if (bfad->bfad_flags & BFAD_INTX_ON) {
1280                 free_irq(bfad->pcidev->irq, bfad);
1281         }
1282 }
1283
1284 /*
1285  * PCI probe entry.
1286  */
1287 int
1288 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1289 {
1290         struct bfad_s   *bfad;
1291         int             error = -ENODEV, retval, i;
1292
1293         /* For single port cards - only claim function 0 */
1294         if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1295                 (PCI_FUNC(pdev->devfn) != 0))
1296                 return -ENODEV;
1297
1298         bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1299         if (!bfad) {
1300                 error = -ENOMEM;
1301                 goto out;
1302         }
1303
1304         bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1305         if (!bfad->trcmod) {
1306                 printk(KERN_WARNING "Error alloc trace buffer!\n");
1307                 error = -ENOMEM;
1308                 goto out_alloc_trace_failure;
1309         }
1310
1311         /* TRACE INIT */
1312         bfa_trc_init(bfad->trcmod);
1313         bfa_trc(bfad, bfad_inst);
1314
1315         /* AEN INIT */
1316         INIT_LIST_HEAD(&bfad->free_aen_q);
1317         INIT_LIST_HEAD(&bfad->active_aen_q);
1318         for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1319                 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1320
1321         if (!(bfad_load_fwimg(pdev))) {
1322                 kfree(bfad->trcmod);
1323                 goto out_alloc_trace_failure;
1324         }
1325
1326         retval = bfad_pci_init(pdev, bfad);
1327         if (retval) {
1328                 printk(KERN_WARNING "bfad_pci_init failure!\n");
1329                 error = retval;
1330                 goto out_pci_init_failure;
1331         }
1332
1333         mutex_lock(&bfad_mutex);
1334         bfad->inst_no = bfad_inst++;
1335         list_add_tail(&bfad->list_entry, &bfad_list);
1336         mutex_unlock(&bfad_mutex);
1337
1338         /* Initializing the state machine: State set to uninit */
1339         bfa_sm_set_state(bfad, bfad_sm_uninit);
1340
1341         spin_lock_init(&bfad->bfad_lock);
1342         spin_lock_init(&bfad->bfad_aen_spinlock);
1343
1344         pci_set_drvdata(pdev, bfad);
1345
1346         bfad->ref_count = 0;
1347         bfad->pport.bfad = bfad;
1348         INIT_LIST_HEAD(&bfad->pbc_vport_list);
1349         INIT_LIST_HEAD(&bfad->vport_list);
1350
1351         /* Setup the debugfs node for this bfad */
1352         if (bfa_debugfs_enable)
1353                 bfad_debugfs_init(&bfad->pport);
1354
1355         retval = bfad_drv_init(bfad);
1356         if (retval != BFA_STATUS_OK)
1357                 goto out_drv_init_failure;
1358
1359         bfa_sm_send_event(bfad, BFAD_E_CREATE);
1360
1361         if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1362                 goto out_bfad_sm_failure;
1363
1364         return 0;
1365
1366 out_bfad_sm_failure:
1367         bfad_hal_mem_release(bfad);
1368 out_drv_init_failure:
1369         /* Remove the debugfs node for this bfad */
1370         kfree(bfad->regdata);
1371         bfad_debugfs_exit(&bfad->pport);
1372         mutex_lock(&bfad_mutex);
1373         bfad_inst--;
1374         list_del(&bfad->list_entry);
1375         mutex_unlock(&bfad_mutex);
1376         bfad_pci_uninit(pdev, bfad);
1377 out_pci_init_failure:
1378         kfree(bfad->trcmod);
1379 out_alloc_trace_failure:
1380         kfree(bfad);
1381 out:
1382         return error;
1383 }
1384
1385 /*
1386  * PCI remove entry.
1387  */
1388 void
1389 bfad_pci_remove(struct pci_dev *pdev)
1390 {
1391         struct bfad_s         *bfad = pci_get_drvdata(pdev);
1392         unsigned long   flags;
1393
1394         bfa_trc(bfad, bfad->inst_no);
1395
1396         spin_lock_irqsave(&bfad->bfad_lock, flags);
1397         if (bfad->bfad_tsk != NULL) {
1398                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1399                 kthread_stop(bfad->bfad_tsk);
1400         } else {
1401                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1402         }
1403
1404         /* Send Event BFAD_E_STOP */
1405         bfa_sm_send_event(bfad, BFAD_E_STOP);
1406
1407         /* Driver detach and dealloc mem */
1408         spin_lock_irqsave(&bfad->bfad_lock, flags);
1409         bfa_detach(&bfad->bfa);
1410         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1411         bfad_hal_mem_release(bfad);
1412
1413         /* Remove the debugfs node for this bfad */
1414         kfree(bfad->regdata);
1415         bfad_debugfs_exit(&bfad->pport);
1416
1417         /* Cleaning the BFAD instance */
1418         mutex_lock(&bfad_mutex);
1419         bfad_inst--;
1420         list_del(&bfad->list_entry);
1421         mutex_unlock(&bfad_mutex);
1422         bfad_pci_uninit(pdev, bfad);
1423
1424         kfree(bfad->trcmod);
1425         kfree(bfad);
1426 }
1427
1428 /*
1429  * PCI Error Recovery entry, error detected.
1430  */
1431 static pci_ers_result_t
1432 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1433 {
1434         struct bfad_s *bfad = pci_get_drvdata(pdev);
1435         unsigned long   flags;
1436         pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1437
1438         dev_printk(KERN_ERR, &pdev->dev,
1439                    "error detected state: %d - flags: 0x%x\n",
1440                    state, bfad->bfad_flags);
1441
1442         switch (state) {
1443         case pci_channel_io_normal: /* non-fatal error */
1444                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1445                 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1446                 /* Suspend/fail all bfa operations */
1447                 bfa_ioc_suspend(&bfad->bfa.ioc);
1448                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1449                 del_timer_sync(&bfad->hal_tmo);
1450                 ret = PCI_ERS_RESULT_CAN_RECOVER;
1451                 break;
1452         case pci_channel_io_frozen: /* fatal error */
1453                 init_completion(&bfad->comp);
1454                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1455                 bfad->bfad_flags |= BFAD_EEH_BUSY;
1456                 /* Suspend/fail all bfa operations */
1457                 bfa_ioc_suspend(&bfad->bfa.ioc);
1458                 bfa_fcs_stop(&bfad->bfa_fcs);
1459                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1460                 wait_for_completion(&bfad->comp);
1461
1462                 bfad_remove_intr(bfad);
1463                 del_timer_sync(&bfad->hal_tmo);
1464                 pci_disable_device(pdev);
1465                 ret = PCI_ERS_RESULT_NEED_RESET;
1466                 break;
1467         case pci_channel_io_perm_failure: /* PCI Card is DEAD */
1468                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1469                 bfad->bfad_flags |= BFAD_EEH_BUSY |
1470                                     BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1471                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1472
1473                 /* If the error_detected handler is called with the reason
1474                  * pci_channel_io_perm_failure - it will subsequently call
1475                  * pci_remove() entry point to remove the pci device from the
1476                  * system - So defer the cleanup to pci_remove(); cleaning up
1477                  * here causes inconsistent state during pci_remove().
1478                  */
1479                 ret = PCI_ERS_RESULT_DISCONNECT;
1480                 break;
1481         default:
1482                 WARN_ON(1);
1483         }
1484
1485         return ret;
1486 }
1487
1488 static int restart_bfa(struct bfad_s *bfad)
1489 {
1490         unsigned long flags;
1491         struct pci_dev *pdev = bfad->pcidev;
1492
1493         bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1494                    &bfad->meminfo, &bfad->hal_pcidev);
1495
1496         /* Enable Interrupt and wait bfa_init completion */
1497         if (bfad_setup_intr(bfad)) {
1498                 dev_printk(KERN_WARNING, &pdev->dev,
1499                            "%s: bfad_setup_intr failed\n", bfad->pci_name);
1500                 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
1501                 return -1;
1502         }
1503
1504         init_completion(&bfad->comp);
1505         spin_lock_irqsave(&bfad->bfad_lock, flags);
1506         bfa_iocfc_init(&bfad->bfa);
1507         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1508
1509         /* Set up interrupt handler for each vectors */
1510         if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1511             bfad_install_msix_handler(bfad))
1512                 dev_printk(KERN_WARNING, &pdev->dev,
1513                            "%s: install_msix failed.\n", bfad->pci_name);
1514
1515         bfad_init_timer(bfad);
1516         wait_for_completion(&bfad->comp);
1517         bfad_drv_start(bfad);
1518
1519         return 0;
1520 }
1521
1522 /*
1523  * PCI Error Recovery entry, re-initialize the chip.
1524  */
1525 static pci_ers_result_t
1526 bfad_pci_slot_reset(struct pci_dev *pdev)
1527 {
1528         struct bfad_s *bfad = pci_get_drvdata(pdev);
1529         u8 byte;
1530         int rc;
1531
1532         dev_printk(KERN_ERR, &pdev->dev,
1533                    "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1534
1535         if (pci_enable_device(pdev)) {
1536                 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1537                            "PCI device after reset.\n");
1538                 return PCI_ERS_RESULT_DISCONNECT;
1539         }
1540
1541         pci_restore_state(pdev);
1542
1543         /*
1544          * Read some byte (e.g. DMA max. payload size which can't
1545          * be 0xff any time) to make sure - we did not hit another PCI error
1546          * in the middle of recovery. If we did, then declare permanent failure.
1547          */
1548         pci_read_config_byte(pdev, 0x68, &byte);
1549         if (byte == 0xff) {
1550                 dev_printk(KERN_ERR, &pdev->dev,
1551                            "slot_reset failed ... got another PCI error !\n");
1552                 goto out_disable_device;
1553         }
1554
1555         pci_save_state(pdev);
1556         pci_set_master(pdev);
1557
1558         rc = dma_set_mask_and_coherent(&bfad->pcidev->dev, DMA_BIT_MASK(64));
1559         if (rc)
1560                 goto out_disable_device;
1561
1562         if (restart_bfa(bfad) == -1)
1563                 goto out_disable_device;
1564
1565         pci_enable_pcie_error_reporting(pdev);
1566         dev_printk(KERN_WARNING, &pdev->dev,
1567                    "slot_reset completed  flags: 0x%x!\n", bfad->bfad_flags);
1568
1569         return PCI_ERS_RESULT_RECOVERED;
1570
1571 out_disable_device:
1572         pci_disable_device(pdev);
1573         return PCI_ERS_RESULT_DISCONNECT;
1574 }
1575
1576 static pci_ers_result_t
1577 bfad_pci_mmio_enabled(struct pci_dev *pdev)
1578 {
1579         unsigned long   flags;
1580         struct bfad_s *bfad = pci_get_drvdata(pdev);
1581
1582         dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1583
1584         /* Fetch FW diagnostic information */
1585         bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1586
1587         /* Cancel all pending IOs */
1588         spin_lock_irqsave(&bfad->bfad_lock, flags);
1589         init_completion(&bfad->comp);
1590         bfa_fcs_stop(&bfad->bfa_fcs);
1591         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1592         wait_for_completion(&bfad->comp);
1593
1594         bfad_remove_intr(bfad);
1595         del_timer_sync(&bfad->hal_tmo);
1596         pci_disable_device(pdev);
1597
1598         return PCI_ERS_RESULT_NEED_RESET;
1599 }
1600
1601 static void
1602 bfad_pci_resume(struct pci_dev *pdev)
1603 {
1604         unsigned long   flags;
1605         struct bfad_s *bfad = pci_get_drvdata(pdev);
1606
1607         dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1608
1609         /* wait until the link is online */
1610         bfad_rport_online_wait(bfad);
1611
1612         spin_lock_irqsave(&bfad->bfad_lock, flags);
1613         bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1614         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1615 }
1616
1617 struct pci_device_id bfad_id_table[] = {
1618         {
1619                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1620                 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1621                 .subvendor = PCI_ANY_ID,
1622                 .subdevice = PCI_ANY_ID,
1623         },
1624         {
1625                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1626                 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1627                 .subvendor = PCI_ANY_ID,
1628                 .subdevice = PCI_ANY_ID,
1629         },
1630         {
1631                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1632                 .device = BFA_PCI_DEVICE_ID_CT,
1633                 .subvendor = PCI_ANY_ID,
1634                 .subdevice = PCI_ANY_ID,
1635                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1636                 .class_mask = ~0,
1637         },
1638         {
1639                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1640                 .device = BFA_PCI_DEVICE_ID_CT_FC,
1641                 .subvendor = PCI_ANY_ID,
1642                 .subdevice = PCI_ANY_ID,
1643                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1644                 .class_mask = ~0,
1645         },
1646         {
1647                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1648                 .device = BFA_PCI_DEVICE_ID_CT2,
1649                 .subvendor = PCI_ANY_ID,
1650                 .subdevice = PCI_ANY_ID,
1651                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1652                 .class_mask = ~0,
1653         },
1654
1655         {
1656                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1657                 .device = BFA_PCI_DEVICE_ID_CT2_QUAD,
1658                 .subvendor = PCI_ANY_ID,
1659                 .subdevice = PCI_ANY_ID,
1660                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1661                 .class_mask = ~0,
1662         },
1663         {0, 0},
1664 };
1665
1666 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1667
1668 /*
1669  * PCI error recovery handlers.
1670  */
1671 static struct pci_error_handlers bfad_err_handler = {
1672         .error_detected = bfad_pci_error_detected,
1673         .slot_reset = bfad_pci_slot_reset,
1674         .mmio_enabled = bfad_pci_mmio_enabled,
1675         .resume = bfad_pci_resume,
1676 };
1677
1678 static struct pci_driver bfad_pci_driver = {
1679         .name = BFAD_DRIVER_NAME,
1680         .id_table = bfad_id_table,
1681         .probe = bfad_pci_probe,
1682         .remove = bfad_pci_remove,
1683         .err_handler = &bfad_err_handler,
1684 };
1685
1686 /*
1687  * Driver module init.
1688  */
1689 static int __init
1690 bfad_init(void)
1691 {
1692         int             error = 0;
1693
1694         pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n",
1695                         BFAD_DRIVER_VERSION);
1696
1697         if (num_sgpgs > 0)
1698                 num_sgpgs_parm = num_sgpgs;
1699
1700         error = bfad_im_module_init();
1701         if (error) {
1702                 error = -ENOMEM;
1703                 printk(KERN_WARNING "bfad_im_module_init failure\n");
1704                 goto ext;
1705         }
1706
1707         if (strcmp(FCPI_NAME, " fcpim") == 0)
1708                 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1709
1710         bfa_auto_recover = ioc_auto_recover;
1711         bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1712         bfa_fcs_rport_set_max_logins(max_rport_logins);
1713
1714         error = pci_register_driver(&bfad_pci_driver);
1715         if (error) {
1716                 printk(KERN_WARNING "pci_register_driver failure\n");
1717                 goto ext;
1718         }
1719
1720         return 0;
1721
1722 ext:
1723         bfad_im_module_exit();
1724         return error;
1725 }
1726
1727 /*
1728  * Driver module exit.
1729  */
1730 static void __exit
1731 bfad_exit(void)
1732 {
1733         pci_unregister_driver(&bfad_pci_driver);
1734         bfad_im_module_exit();
1735         bfad_free_fwimg();
1736 }
1737
1738 /* Firmware handling */
1739 static void
1740 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1741                 u32 *bfi_image_size, char *fw_name)
1742 {
1743         const struct firmware *fw;
1744
1745         if (request_firmware(&fw, fw_name, &pdev->dev)) {
1746                 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1747                 *bfi_image = NULL;
1748                 goto out;
1749         }
1750
1751         *bfi_image = vmalloc(fw->size);
1752         if (NULL == *bfi_image) {
1753                 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1754                         "size=%x!\n", (u32) fw->size);
1755                 goto out;
1756         }
1757
1758         memcpy(*bfi_image, fw->data, fw->size);
1759         *bfi_image_size = fw->size/sizeof(u32);
1760 out:
1761         release_firmware(fw);
1762 }
1763
1764 static u32 *
1765 bfad_load_fwimg(struct pci_dev *pdev)
1766 {
1767         if (bfa_asic_id_ct2(pdev->device)) {
1768                 if (bfi_image_ct2_size == 0)
1769                         bfad_read_firmware(pdev, &bfi_image_ct2,
1770                                 &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1771                 return bfi_image_ct2;
1772         } else if (bfa_asic_id_ct(pdev->device)) {
1773                 if (bfi_image_ct_size == 0)
1774                         bfad_read_firmware(pdev, &bfi_image_ct,
1775                                 &bfi_image_ct_size, BFAD_FW_FILE_CT);
1776                 return bfi_image_ct;
1777         } else if (bfa_asic_id_cb(pdev->device)) {
1778                 if (bfi_image_cb_size == 0)
1779                         bfad_read_firmware(pdev, &bfi_image_cb,
1780                                 &bfi_image_cb_size, BFAD_FW_FILE_CB);
1781                 return bfi_image_cb;
1782         }
1783
1784         return NULL;
1785 }
1786
1787 static void
1788 bfad_free_fwimg(void)
1789 {
1790         if (bfi_image_ct2_size && bfi_image_ct2)
1791                 vfree(bfi_image_ct2);
1792         if (bfi_image_ct_size && bfi_image_ct)
1793                 vfree(bfi_image_ct);
1794         if (bfi_image_cb_size && bfi_image_cb)
1795                 vfree(bfi_image_cb);
1796 }
1797
1798 module_init(bfad_init);
1799 module_exit(bfad_exit);
1800 MODULE_LICENSE("GPL");
1801 MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1802 MODULE_AUTHOR("QLogic Corporation");
1803 MODULE_VERSION(BFAD_DRIVER_VERSION);