drivers/scsi/bfa/bfad.c

   1 /*
   2  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
   3  * Copyright (c) 2014- QLogic Corporation.
   4  * All rights reserved
   5  * www.qlogic.com
   6  *
   7  * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License (GPL) Version 2 as
  11  * published by the Free Software Foundation
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  */
  18
  19 /*
  20  *  bfad.c Linux driver PCI interface module.
  21  */
  22 #include <linux/module.h>
  23 #include <linux/kthread.h>
  24 #include <linux/errno.h>
  25 #include <linux/sched.h>
  26 #include <linux/init.h>
  27 #include <linux/fs.h>
  28 #include <linux/pci.h>
  29 #include <linux/firmware.h>
  30 #include <linux/uaccess.h>
  31 #include <asm/fcntl.h>
  32
  33 #include "bfad_drv.h"
  34 #include "bfad_im.h"
  35 #include "bfa_fcs.h"
  36 #include "bfa_defs.h"
  37 #include "bfa.h"
  38
  39 BFA_TRC_FILE(LDRV, BFAD);
  40 DEFINE_MUTEX(bfad_mutex);
  41 LIST_HEAD(bfad_list);
  42
  43 static int      bfad_inst;
  44 static int      num_sgpgs_parm;
  45 int             supported_fc4s;
  46 char            *host_name, *os_name, *os_patch;
  47 int             num_rports, num_ios, num_tms;
  48 int             num_fcxps, num_ufbufs;
  49 int             reqq_size, rspq_size, num_sgpgs;
  50 int             rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
  51 int             bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
  52 int             bfa_io_max_sge = BFAD_IO_MAX_SGE;
  53 int             bfa_log_level = 3; /* WARNING log level */
  54 int             ioc_auto_recover = BFA_TRUE;
  55 int             bfa_linkup_delay = -1;
  56 int             fdmi_enable = BFA_TRUE;
  57 int             pcie_max_read_reqsz;
  58 int             bfa_debugfs_enable = 1;
  59 int             msix_disable_cb = 0, msix_disable_ct = 0;
  60 int             max_xfer_size = BFAD_MAX_SECTORS >> 1;
  61 int             max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS;
  62
  63 /* Firmware releated */
  64 u32     bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size;
  65 u32     *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2;
  66
  67 #define BFAD_FW_FILE_CB         "/*(DEBLOBBED)*/"
  68 #define BFAD_FW_FILE_CT         "/*(DEBLOBBED)*/"
  69 #define BFAD_FW_FILE_CT2        "/*(DEBLOBBED)*/"
  70
  71 static u32 *bfad_load_fwimg(struct pci_dev *pdev);
  72 static void bfad_free_fwimg(void);
  73 static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
  74                 u32 *bfi_image_size, char *fw_name);
  75
  76 static const char *msix_name_ct[] = {
  77         "ctrl",
  78         "cpe0", "cpe1", "cpe2", "cpe3",
  79         "rme0", "rme1", "rme2", "rme3" };
  80
  81 static const char *msix_name_cb[] = {
  82         "cpe0", "cpe1", "cpe2", "cpe3",
  83         "rme0", "rme1", "rme2", "rme3",
  84         "eemc", "elpu0", "elpu1", "epss", "mlpu" };
  85
  86 /*(DEBLOBBED)*/
  87
  88 module_param(os_name, charp, S_IRUGO | S_IWUSR);
  89 MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
  90 module_param(os_patch, charp, S_IRUGO | S_IWUSR);
  91 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
  92 module_param(host_name, charp, S_IRUGO | S_IWUSR);
  93 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
  94 module_param(num_rports, int, S_IRUGO | S_IWUSR);
  95 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
  96                                 "(physical/logical), default=1024");
  97 module_param(num_ios, int, S_IRUGO | S_IWUSR);
  98 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
  99 module_param(num_tms, int, S_IRUGO | S_IWUSR);
 100 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
 101 module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
 102 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
 103 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
 104 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
 105                                 "buffers, default=64");
 106 module_param(reqq_size, int, S_IRUGO | S_IWUSR);
 107 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
 108                                 "default=256");
 109 module_param(rspq_size, int, S_IRUGO | S_IWUSR);
 110 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
 111                                 "default=64");
 112 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
 113 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
 114 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
 115 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
 116                                         "Range[>0]");
 117 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
 118 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
 119 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
 120 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
 121 module_param(bfa_log_level, int, S_IRUGO | S_IWUSR);
 122 MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, "
 123                                 "Range[Critical:1|Error:2|Warning:3|Info:4]");
 124 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
 125 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
 126                                 "Range[off:0|on:1]");
 127 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
 128 MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for "
 129                         "boot port. Otherwise 10 secs in RHEL4 & 0 for "
 130                         "[RHEL5, SLES10, ESX40] Range[>0]");
 131 module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
 132 MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts for QLogic-415/425/815/825 cards, default=0 Range[false:0|true:1]");
 133 module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
 134 MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts if possible for QLogic-1010/1020/804/1007/902/1741 cards, default=0, Range[false:0|true:1]");
 135 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
 136 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, "
 137                                 "Range[false:0|true:1]");
 138 module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR);
 139 MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 "
 140                 "(use system setting), Range[128|256|512|1024|2048|4096]");
 141 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
 142 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
 143                 " Range[false:0|true:1]");
 144 module_param(max_xfer_size, int, S_IRUGO | S_IWUSR);
 145 MODULE_PARM_DESC(max_xfer_size, "default=32MB,"
 146                 " Range[64k|128k|256k|512k|1024k|2048k]");
 147 module_param(max_rport_logins, int, S_IRUGO | S_IWUSR);
 148 MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024");
 149
 150 static void
 151 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
 152 static void
 153 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
 154 static void
 155 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
 156 static void
 157 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
 158 static void
 159 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
 160 static void
 161 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
 162 static void
 163 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event);
 164
 165 /*
 166  * Beginning state for the driver instance, awaiting the pci_probe event
 167  */
 168 static void
 169 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event)
 170 {
 171         bfa_trc(bfad, event);
 172
 173         switch (event) {
 174         case BFAD_E_CREATE:
 175                 bfa_sm_set_state(bfad, bfad_sm_created);
 176                 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad,
 177                                                 "%s", "bfad_worker");
 178                 if (IS_ERR(bfad->bfad_tsk)) {
 179                         printk(KERN_INFO "bfad[%d]: Kernel thread "
 180                                 "creation failed!\n", bfad->inst_no);
 181                         bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED);
 182                 }
 183                 bfa_sm_send_event(bfad, BFAD_E_INIT);
 184                 break;
 185
 186         case BFAD_E_STOP:
 187                 /* Ignore stop; already in uninit */
 188                 break;
 189
 190         default:
 191                 bfa_sm_fault(bfad, event);
 192         }
 193 }
 194
 195 /*
 196  * Driver Instance is created, awaiting event INIT to initialize the bfad
 197  */
 198 static void
 199 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
 200 {
 201         unsigned long flags;
 202         bfa_status_t ret;
 203
 204         bfa_trc(bfad, event);
 205
 206         switch (event) {
 207         case BFAD_E_INIT:
 208                 bfa_sm_set_state(bfad, bfad_sm_initializing);
 209
 210                 init_completion(&bfad->comp);
 211
 212                 /* Enable Interrupt and wait bfa_init completion */
 213                 if (bfad_setup_intr(bfad)) {
 214                         printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
 215                                         bfad->inst_no);
 216                         bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
 217                         break;
 218                 }
 219
 220                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 221                 bfa_iocfc_init(&bfad->bfa);
 222                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 223
 224                 /* Set up interrupt handler for each vectors */
 225                 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
 226                         bfad_install_msix_handler(bfad)) {
 227                         printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
 228                                 __func__, bfad->inst_no);
 229                 }
 230
 231                 bfad_init_timer(bfad);
 232
 233                 wait_for_completion(&bfad->comp);
 234
 235                 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
 236                         bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
 237                 } else {
 238                         printk(KERN_WARNING
 239                                 "bfa %s: bfa init failed\n",
 240                                 bfad->pci_name);
 241                         spin_lock_irqsave(&bfad->bfad_lock, flags);
 242                         bfa_fcs_init(&bfad->bfa_fcs);
 243                         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 244
 245                         ret = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
 246                         if (ret != BFA_STATUS_OK) {
 247                                 init_completion(&bfad->comp);
 248
 249                                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 250                                 bfad->pport.flags |= BFAD_PORT_DELETE;
 251                                 bfa_fcs_exit(&bfad->bfa_fcs);
 252                                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 253
 254                                 wait_for_completion(&bfad->comp);
 255
 256                                 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
 257                                 break;
 258                         }
 259                         bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
 260                         bfa_sm_send_event(bfad, BFAD_E_HAL_INIT_FAILED);
 261                 }
 262
 263                 break;
 264
 265         case BFAD_E_KTHREAD_CREATE_FAILED:
 266                 bfa_sm_set_state(bfad, bfad_sm_uninit);
 267                 break;
 268
 269         default:
 270                 bfa_sm_fault(bfad, event);
 271         }
 272 }
 273
 274 static void
 275 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event)
 276 {
 277         int     retval;
 278         unsigned long   flags;
 279
 280         bfa_trc(bfad, event);
 281
 282         switch (event) {
 283         case BFAD_E_INIT_SUCCESS:
 284                 kthread_stop(bfad->bfad_tsk);
 285                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 286                 bfad->bfad_tsk = NULL;
 287                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 288
 289                 retval = bfad_start_ops(bfad);
 290                 if (retval != BFA_STATUS_OK) {
 291                         bfa_sm_set_state(bfad, bfad_sm_failed);
 292                         break;
 293                 }
 294                 bfa_sm_set_state(bfad, bfad_sm_operational);
 295                 break;
 296
 297         case BFAD_E_INIT_FAILED:
 298                 bfa_sm_set_state(bfad, bfad_sm_uninit);
 299                 kthread_stop(bfad->bfad_tsk);
 300                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 301                 bfad->bfad_tsk = NULL;
 302                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 303                 break;
 304
 305         case BFAD_E_HAL_INIT_FAILED:
 306                 bfa_sm_set_state(bfad, bfad_sm_failed);
 307                 break;
 308         default:
 309                 bfa_sm_fault(bfad, event);
 310         }
 311 }
 312
 313 static void
 314 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event)
 315 {
 316         int     retval;
 317
 318         bfa_trc(bfad, event);
 319
 320         switch (event) {
 321         case BFAD_E_INIT_SUCCESS:
 322                 retval = bfad_start_ops(bfad);
 323                 if (retval != BFA_STATUS_OK)
 324                         break;
 325                 bfa_sm_set_state(bfad, bfad_sm_operational);
 326                 break;
 327
 328         case BFAD_E_STOP:
 329                 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
 330                 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
 331                 break;
 332
 333         case BFAD_E_EXIT_COMP:
 334                 bfa_sm_set_state(bfad, bfad_sm_uninit);
 335                 bfad_remove_intr(bfad);
 336                 del_timer_sync(&bfad->hal_tmo);
 337                 break;
 338
 339         default:
 340                 bfa_sm_fault(bfad, event);
 341         }
 342 }
 343
 344 static void
 345 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event)
 346 {
 347         bfa_trc(bfad, event);
 348
 349         switch (event) {
 350         case BFAD_E_STOP:
 351                 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
 352                 bfad_fcs_stop(bfad);
 353                 break;
 354
 355         default:
 356                 bfa_sm_fault(bfad, event);
 357         }
 358 }
 359
 360 static void
 361 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event)
 362 {
 363         bfa_trc(bfad, event);
 364
 365         switch (event) {
 366         case BFAD_E_FCS_EXIT_COMP:
 367                 bfa_sm_set_state(bfad, bfad_sm_stopping);
 368                 bfad_stop(bfad);
 369                 break;
 370
 371         default:
 372                 bfa_sm_fault(bfad, event);
 373         }
 374 }
 375
 376 static void
 377 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event)
 378 {
 379         bfa_trc(bfad, event);
 380
 381         switch (event) {
 382         case BFAD_E_EXIT_COMP:
 383                 bfa_sm_set_state(bfad, bfad_sm_uninit);
 384                 bfad_remove_intr(bfad);
 385                 del_timer_sync(&bfad->hal_tmo);
 386                 bfad_im_probe_undo(bfad);
 387                 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
 388                 bfad_uncfg_pport(bfad);
 389                 break;
 390
 391         default:
 392                 bfa_sm_fault(bfad, event);
 393                 break;
 394         }
 395 }
 396
 397 /*
 398  *  BFA callbacks
 399  */
 400 void
 401 bfad_hcb_comp(void *arg, bfa_status_t status)
 402 {
 403         struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
 404
 405         fcomp->status = status;
 406         complete(&fcomp->comp);
 407 }
 408
 409 /*
 410  * bfa_init callback
 411  */
 412 void
 413 bfa_cb_init(void *drv, bfa_status_t init_status)
 414 {
 415         struct bfad_s         *bfad = drv;
 416
 417         if (init_status == BFA_STATUS_OK) {
 418                 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
 419
 420                 /*
 421                  * If BFAD_HAL_INIT_FAIL flag is set:
 422                  * Wake up the kernel thread to start
 423                  * the bfad operations after HAL init done
 424                  */
 425                 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
 426                         bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
 427                         wake_up_process(bfad->bfad_tsk);
 428                 }
 429         }
 430
 431         complete(&bfad->comp);
 432 }
 433
 434 /*
 435  *  BFA_FCS callbacks
 436  */
 437 struct bfad_port_s *
 438 bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port,
 439                  enum bfa_lport_role roles, struct bfad_vf_s *vf_drv,
 440                  struct bfad_vport_s *vp_drv)
 441 {
 442         bfa_status_t    rc;
 443         struct bfad_port_s    *port_drv;
 444
 445         if (!vp_drv && !vf_drv) {
 446                 port_drv = &bfad->pport;
 447                 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
 448         } else if (!vp_drv && vf_drv) {
 449                 port_drv = &vf_drv->base_port;
 450                 port_drv->pvb_type = BFAD_PORT_VF_BASE;
 451         } else if (vp_drv && !vf_drv) {
 452                 port_drv = &vp_drv->drv_port;
 453                 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
 454         } else {
 455                 port_drv = &vp_drv->drv_port;
 456                 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
 457         }
 458
 459         port_drv->fcs_port = port;
 460         port_drv->roles = roles;
 461
 462         if (roles & BFA_LPORT_ROLE_FCP_IM) {
 463                 rc = bfad_im_port_new(bfad, port_drv);
 464                 if (rc != BFA_STATUS_OK) {
 465                         bfad_im_port_delete(bfad, port_drv);
 466                         port_drv = NULL;
 467                 }
 468         }
 469
 470         return port_drv;
 471 }
 472
 473 /*
 474  * FCS RPORT alloc callback, after successful PLOGI by FCS
 475  */
 476 bfa_status_t
 477 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
 478                     struct bfad_rport_s **rport_drv)
 479 {
 480         bfa_status_t    rc = BFA_STATUS_OK;
 481
 482         *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
 483         if (*rport_drv == NULL) {
 484                 rc = BFA_STATUS_ENOMEM;
 485                 goto ext;
 486         }
 487
 488         *rport = &(*rport_drv)->fcs_rport;
 489
 490 ext:
 491         return rc;
 492 }
 493
 494 /*
 495  * FCS PBC VPORT Create
 496  */
 497 void
 498 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
 499 {
 500
 501         struct bfa_lport_cfg_s port_cfg = {0};
 502         struct bfad_vport_s   *vport;
 503         int rc;
 504
 505         vport = kzalloc(sizeof(struct bfad_vport_s), GFP_ATOMIC);
 506         if (!vport) {
 507                 bfa_trc(bfad, 0);
 508                 return;
 509         }
 510
 511         vport->drv_port.bfad = bfad;
 512         port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
 513         port_cfg.pwwn = pbc_vport.vp_pwwn;
 514         port_cfg.nwwn = pbc_vport.vp_nwwn;
 515         port_cfg.preboot_vp  = BFA_TRUE;
 516
 517         rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0,
 518                                   &port_cfg, vport);
 519
 520         if (rc != BFA_STATUS_OK) {
 521                 bfa_trc(bfad, 0);
 522                 return;
 523         }
 524
 525         list_add_tail(&vport->list_entry, &bfad->pbc_vport_list);
 526 }
 527
 528 void
 529 bfad_hal_mem_release(struct bfad_s *bfad)
 530 {
 531         struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
 532         struct bfa_mem_dma_s *dma_info, *dma_elem;
 533         struct bfa_mem_kva_s *kva_info, *kva_elem;
 534         struct list_head *dm_qe, *km_qe;
 535
 536         dma_info = &hal_meminfo->dma_info;
 537         kva_info = &hal_meminfo->kva_info;
 538
 539         /* Iterate through the KVA meminfo queue */
 540         list_for_each(km_qe, &kva_info->qe) {
 541                 kva_elem = (struct bfa_mem_kva_s *) km_qe;
 542                 vfree(kva_elem->kva);
 543         }
 544
 545         /* Iterate through the DMA meminfo queue */
 546         list_for_each(dm_qe, &dma_info->qe) {
 547                 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
 548                 dma_free_coherent(&bfad->pcidev->dev,
 549                                 dma_elem->mem_len, dma_elem->kva,
 550                                 (dma_addr_t) dma_elem->dma);
 551         }
 552
 553         memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
 554 }
 555
 556 void
 557 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
 558 {
 559         if (num_rports > 0)
 560                 bfa_cfg->fwcfg.num_rports = num_rports;
 561         if (num_ios > 0)
 562                 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
 563         if (num_tms > 0)
 564                 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
 565         if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX)
 566                 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
 567         if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX)
 568                 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
 569         if (reqq_size > 0)
 570                 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
 571         if (rspq_size > 0)
 572                 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
 573         if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX)
 574                 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
 575
 576         /*
 577          * populate the hal values back to the driver for sysfs use.
 578          * otherwise, the default values will be shown as 0 in sysfs
 579          */
 580         num_rports = bfa_cfg->fwcfg.num_rports;
 581         num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
 582         num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
 583         num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
 584         num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
 585         reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
 586         rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
 587         num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
 588 }
 589
 590 bfa_status_t
 591 bfad_hal_mem_alloc(struct bfad_s *bfad)
 592 {
 593         struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
 594         struct bfa_mem_dma_s *dma_info, *dma_elem;
 595         struct bfa_mem_kva_s *kva_info, *kva_elem;
 596         struct list_head *dm_qe, *km_qe;
 597         bfa_status_t    rc = BFA_STATUS_OK;
 598         dma_addr_t      phys_addr;
 599
 600         bfa_cfg_get_default(&bfad->ioc_cfg);
 601         bfad_update_hal_cfg(&bfad->ioc_cfg);
 602         bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
 603         bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa);
 604
 605         dma_info = &hal_meminfo->dma_info;
 606         kva_info = &hal_meminfo->kva_info;
 607
 608         /* Iterate through the KVA meminfo queue */
 609         list_for_each(km_qe, &kva_info->qe) {
 610                 kva_elem = (struct bfa_mem_kva_s *) km_qe;
 611                 kva_elem->kva = vmalloc(kva_elem->mem_len);
 612                 if (kva_elem->kva == NULL) {
 613                         bfad_hal_mem_release(bfad);
 614                         rc = BFA_STATUS_ENOMEM;
 615                         goto ext;
 616                 }
 617                 memset(kva_elem->kva, 0, kva_elem->mem_len);
 618         }
 619
 620         /* Iterate through the DMA meminfo queue */
 621         list_for_each(dm_qe, &dma_info->qe) {
 622                 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
 623                 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev,
 624                                                 dma_elem->mem_len,
 625                                                 &phys_addr, GFP_KERNEL);
 626                 if (dma_elem->kva == NULL) {
 627                         bfad_hal_mem_release(bfad);
 628                         rc = BFA_STATUS_ENOMEM;
 629                         goto ext;
 630                 }
 631                 dma_elem->dma = phys_addr;
 632                 memset(dma_elem->kva, 0, dma_elem->mem_len);
 633         }
 634 ext:
 635         return rc;
 636 }
 637
 638 /*
 639  * Create a vport under a vf.
 640  */
 641 bfa_status_t
 642 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
 643                   struct bfa_lport_cfg_s *port_cfg, struct device *dev)
 644 {
 645         struct bfad_vport_s   *vport;
 646         int             rc = BFA_STATUS_OK;
 647         unsigned long   flags;
 648         struct completion fcomp;
 649
 650         vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
 651         if (!vport) {
 652                 rc = BFA_STATUS_ENOMEM;
 653                 goto ext;
 654         }
 655
 656         vport->drv_port.bfad = bfad;
 657         spin_lock_irqsave(&bfad->bfad_lock, flags);
 658         rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
 659                                   port_cfg, vport);
 660         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 661
 662         if (rc != BFA_STATUS_OK)
 663                 goto ext_free_vport;
 664
 665         if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) {
 666                 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
 667                                                         dev);
 668                 if (rc != BFA_STATUS_OK)
 669                         goto ext_free_fcs_vport;
 670         }
 671
 672         spin_lock_irqsave(&bfad->bfad_lock, flags);
 673         bfa_fcs_vport_start(&vport->fcs_vport);
 674         list_add_tail(&vport->list_entry, &bfad->vport_list);
 675         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 676
 677         return BFA_STATUS_OK;
 678
 679 ext_free_fcs_vport:
 680         spin_lock_irqsave(&bfad->bfad_lock, flags);
 681         vport->comp_del = &fcomp;
 682         init_completion(vport->comp_del);
 683         bfa_fcs_vport_delete(&vport->fcs_vport);
 684         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 685         wait_for_completion(vport->comp_del);
 686 ext_free_vport:
 687         kfree(vport);
 688 ext:
 689         return rc;
 690 }
 691
 692 void
 693 bfad_bfa_tmo(unsigned long data)
 694 {
 695         struct bfad_s         *bfad = (struct bfad_s *) data;
 696         unsigned long   flags;
 697         struct list_head               doneq;
 698
 699         spin_lock_irqsave(&bfad->bfad_lock, flags);
 700
 701         bfa_timer_beat(&bfad->bfa.timer_mod);
 702
 703         bfa_comp_deq(&bfad->bfa, &doneq);
 704         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 705
 706         if (!list_empty(&doneq)) {
 707                 bfa_comp_process(&bfad->bfa, &doneq);
 708                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 709                 bfa_comp_free(&bfad->bfa, &doneq);
 710                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 711         }
 712
 713         mod_timer(&bfad->hal_tmo,
 714                   jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
 715 }
 716
 717 void
 718 bfad_init_timer(struct bfad_s *bfad)
 719 {
 720         init_timer(&bfad->hal_tmo);
 721         bfad->hal_tmo.function = bfad_bfa_tmo;
 722         bfad->hal_tmo.data = (unsigned long)bfad;
 723
 724         mod_timer(&bfad->hal_tmo,
 725                   jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
 726 }
 727
 728 int
 729 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
 730 {
 731         int             rc = -ENODEV;
 732
 733         if (pci_enable_device(pdev)) {
 734                 printk(KERN_ERR "pci_enable_device fail %p\n", pdev);
 735                 goto out;
 736         }
 737
 738         if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
 739                 goto out_disable_device;
 740
 741         pci_set_master(pdev);
 742
 743
 744         if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) ||
 745             (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) {
 746                 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) ||
 747                    (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) {
 748                         printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev);
 749                         goto out_release_region;
 750                 }
 751         }
 752
 753         /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */
 754         pci_enable_pcie_error_reporting(pdev);
 755
 756         bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
 757         bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
 758
 759         if (bfad->pci_bar0_kva == NULL) {
 760                 printk(KERN_ERR "Fail to map bar0\n");
 761                 goto out_release_region;
 762         }
 763
 764         bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
 765         bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
 766         bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
 767         bfad->hal_pcidev.device_id = pdev->device;
 768         bfad->hal_pcidev.ssid = pdev->subsystem_device;
 769         bfad->pci_name = pci_name(pdev);
 770
 771         bfad->pci_attr.vendor_id = pdev->vendor;
 772         bfad->pci_attr.device_id = pdev->device;
 773         bfad->pci_attr.ssid = pdev->subsystem_device;
 774         bfad->pci_attr.ssvid = pdev->subsystem_vendor;
 775         bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
 776
 777         bfad->pcidev = pdev;
 778
 779         /* Adjust PCIe Maximum Read Request Size */
 780         if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
 781                 if (pcie_max_read_reqsz >= 128 &&
 782                     pcie_max_read_reqsz <= 4096 &&
 783                     is_power_of_2(pcie_max_read_reqsz)) {
 784                         int max_rq = pcie_get_readrq(pdev);
 785                         printk(KERN_WARNING "BFA[%s]: "
 786                                 "pcie_max_read_request_size is %d, "
 787                                 "reset to %d\n", bfad->pci_name, max_rq,
 788                                 pcie_max_read_reqsz);
 789                         pcie_set_readrq(pdev, pcie_max_read_reqsz);
 790                 } else {
 791                         printk(KERN_WARNING "BFA[%s]: invalid "
 792                                "pcie_max_read_request_size %d ignored\n",
 793                                bfad->pci_name, pcie_max_read_reqsz);
 794                 }
 795         }
 796
 797         pci_save_state(pdev);
 798
 799         return 0;
 800
 801 out_release_region:
 802         pci_release_regions(pdev);
 803 out_disable_device:
 804         pci_disable_device(pdev);
 805 out:
 806         return rc;
 807 }
 808
 809 void
 810 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
 811 {
 812         pci_iounmap(pdev, bfad->pci_bar0_kva);
 813         pci_iounmap(pdev, bfad->pci_bar2_kva);
 814         pci_release_regions(pdev);
 815         /* Disable PCIE Advanced Error Recovery (AER) */
 816         pci_disable_pcie_error_reporting(pdev);
 817         pci_disable_device(pdev);
 818 }
 819
 820 bfa_status_t
 821 bfad_drv_init(struct bfad_s *bfad)
 822 {
 823         bfa_status_t    rc;
 824         unsigned long   flags;
 825
 826         bfad->cfg_data.rport_del_timeout = rport_del_timeout;
 827         bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
 828         bfad->cfg_data.io_max_sge = bfa_io_max_sge;
 829         bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
 830
 831         rc = bfad_hal_mem_alloc(bfad);
 832         if (rc != BFA_STATUS_OK) {
 833                 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
 834                        bfad->inst_no);
 835                 printk(KERN_WARNING
 836                         "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n");
 837                 return BFA_STATUS_FAILED;
 838         }
 839
 840         bfad->bfa.trcmod = bfad->trcmod;
 841         bfad->bfa.plog = &bfad->plog_buf;
 842         bfa_plog_init(&bfad->plog_buf);
 843         bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
 844                      0, "Driver Attach");
 845
 846         bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
 847                    &bfad->hal_pcidev);
 848
 849         /* FCS INIT */
 850         spin_lock_irqsave(&bfad->bfad_lock, flags);
 851         bfad->bfa_fcs.trcmod = bfad->trcmod;
 852         bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
 853         bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
 854         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 855
 856         bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
 857
 858         return BFA_STATUS_OK;
 859 }
 860
 861 void
 862 bfad_drv_uninit(struct bfad_s *bfad)
 863 {
 864         unsigned long   flags;
 865
 866         spin_lock_irqsave(&bfad->bfad_lock, flags);
 867         init_completion(&bfad->comp);
 868         bfa_iocfc_stop(&bfad->bfa);
 869         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 870         wait_for_completion(&bfad->comp);
 871
 872         del_timer_sync(&bfad->hal_tmo);
 873         bfa_isr_disable(&bfad->bfa);
 874         bfa_detach(&bfad->bfa);
 875         bfad_remove_intr(bfad);
 876         bfad_hal_mem_release(bfad);
 877
 878         bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
 879 }
 880
 881 void
 882 bfad_drv_start(struct bfad_s *bfad)
 883 {
 884         unsigned long   flags;
 885
 886         spin_lock_irqsave(&bfad->bfad_lock, flags);
 887         bfa_iocfc_start(&bfad->bfa);
 888         bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
 889         bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
 890         bfad->bfad_flags |= BFAD_HAL_START_DONE;
 891         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 892
 893         if (bfad->im)
 894                 flush_workqueue(bfad->im->drv_workq);
 895 }
 896
 897 void
 898 bfad_fcs_stop(struct bfad_s *bfad)
 899 {
 900         unsigned long   flags;
 901
 902         spin_lock_irqsave(&bfad->bfad_lock, flags);
 903         init_completion(&bfad->comp);
 904         bfad->pport.flags |= BFAD_PORT_DELETE;
 905         bfa_fcs_exit(&bfad->bfa_fcs);
 906         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 907         wait_for_completion(&bfad->comp);
 908
 909         bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
 910 }
 911
 912 void
 913 bfad_stop(struct bfad_s *bfad)
 914 {
 915         unsigned long   flags;
 916
 917         spin_lock_irqsave(&bfad->bfad_lock, flags);
 918         init_completion(&bfad->comp);
 919         bfa_iocfc_stop(&bfad->bfa);
 920         bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
 921         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 922         wait_for_completion(&bfad->comp);
 923
 924         bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
 925 }
 926
 927 bfa_status_t
 928 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
 929 {
 930         int             rc = BFA_STATUS_OK;
 931
 932         /* Allocate scsi_host for the physical port */
 933         if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
 934             (role & BFA_LPORT_ROLE_FCP_IM)) {
 935                 if (bfad->pport.im_port == NULL) {
 936                         rc = BFA_STATUS_FAILED;
 937                         goto out;
 938                 }
 939
 940                 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
 941                                                 &bfad->pcidev->dev);
 942                 if (rc != BFA_STATUS_OK)
 943                         goto out;
 944
 945                 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
 946         }
 947
 948         bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
 949
 950 out:
 951         return rc;
 952 }
 953
 954 void
 955 bfad_uncfg_pport(struct bfad_s *bfad)
 956 {
 957         if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
 958             (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
 959                 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
 960                 bfad_im_port_clean(bfad->pport.im_port);
 961                 kfree(bfad->pport.im_port);
 962                 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
 963         }
 964
 965         bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
 966 }
 967
 968 bfa_status_t
 969 bfad_start_ops(struct bfad_s *bfad) {
 970
 971         int     retval;
 972         unsigned long   flags;
 973         struct bfad_vport_s *vport, *vport_new;
 974         struct bfa_fcs_driver_info_s driver_info;
 975
 976         /* Limit min/max. xfer size to [64k-32MB] */
 977         if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
 978                 max_xfer_size = BFAD_MIN_SECTORS >> 1;
 979         if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
 980                 max_xfer_size = BFAD_MAX_SECTORS >> 1;
 981
 982         /* Fill the driver_info info to fcs*/
 983         memset(&driver_info, 0, sizeof(driver_info));
 984         strncpy(driver_info.version, BFAD_DRIVER_VERSION,
 985                 sizeof(driver_info.version) - 1);
 986         if (host_name)
 987                 strncpy(driver_info.host_machine_name, host_name,
 988                         sizeof(driver_info.host_machine_name) - 1);
 989         if (os_name)
 990                 strncpy(driver_info.host_os_name, os_name,
 991                         sizeof(driver_info.host_os_name) - 1);
 992         if (os_patch)
 993                 strncpy(driver_info.host_os_patch, os_patch,
 994                         sizeof(driver_info.host_os_patch) - 1);
 995
 996         strncpy(driver_info.os_device_name, bfad->pci_name,
 997                 sizeof(driver_info.os_device_name) - 1);
 998
 999         /* FCS driver info init */
1000         spin_lock_irqsave(&bfad->bfad_lock, flags);
1001         bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
1002
1003         if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
1004                 bfa_fcs_update_cfg(&bfad->bfa_fcs);
1005         else
1006                 bfa_fcs_init(&bfad->bfa_fcs);
1007
1008         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1009
1010         if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) {
1011                 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
1012                 if (retval != BFA_STATUS_OK)
1013                         return BFA_STATUS_FAILED;
1014         }
1015
1016         /* Setup fc host fixed attribute if the lk supports */
1017         bfad_fc_host_init(bfad->pport.im_port);
1018
1019         /* BFAD level FC4 IM specific resource allocation */
1020         retval = bfad_im_probe(bfad);
1021         if (retval != BFA_STATUS_OK) {
1022                 printk(KERN_WARNING "bfad_im_probe failed\n");
1023                 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1024                         bfa_sm_set_state(bfad, bfad_sm_failed);
1025                 return BFA_STATUS_FAILED;
1026         } else
1027                 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1028
1029         bfad_drv_start(bfad);
1030
1031         /* Complete pbc vport create */
1032         list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1033                                 list_entry) {
1034                 struct fc_vport_identifiers vid;
1035                 struct fc_vport *fc_vport;
1036                 char pwwn_buf[BFA_STRING_32];
1037
1038                 memset(&vid, 0, sizeof(vid));
1039                 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1040                 vid.vport_type = FC_PORTTYPE_NPIV;
1041                 vid.disable = false;
1042                 vid.node_name = wwn_to_u64((u8 *)
1043                                 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1044                 vid.port_name = wwn_to_u64((u8 *)
1045                                 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1046                 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1047                 if (!fc_vport) {
1048                         wwn2str(pwwn_buf, vid.port_name);
1049                         printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1050                                 " %s\n", bfad->inst_no, pwwn_buf);
1051                 }
1052                 list_del(&vport->list_entry);
1053                 kfree(vport);
1054         }
1055
1056         /*
1057          * If bfa_linkup_delay is set to -1 default; try to retrive the
1058          * value using the bfad_get_linkup_delay(); else use the
1059          * passed in module param value as the bfa_linkup_delay.
1060          */
1061         if (bfa_linkup_delay < 0) {
1062                 bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1063                 bfad_rport_online_wait(bfad);
1064                 bfa_linkup_delay = -1;
1065         } else
1066                 bfad_rport_online_wait(bfad);
1067
1068         BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
1069
1070         return BFA_STATUS_OK;
1071 }
1072
1073 int
1074 bfad_worker(void *ptr)
1075 {
1076         struct bfad_s *bfad = ptr;
1077         unsigned long flags;
1078
1079         if (kthread_should_stop())
1080                 return 0;
1081
1082         /* Send event BFAD_E_INIT_SUCCESS */
1083         bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1084
1085         spin_lock_irqsave(&bfad->bfad_lock, flags);
1086         bfad->bfad_tsk = NULL;
1087         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1088
1089         return 0;
1090 }
1091
1092 /*
1093  *  BFA driver interrupt functions
1094  */
1095 irqreturn_t
1096 bfad_intx(int irq, void *dev_id)
1097 {
1098         struct bfad_s   *bfad = dev_id;
1099         struct list_head        doneq;
1100         unsigned long   flags;
1101         bfa_boolean_t rc;
1102
1103         spin_lock_irqsave(&bfad->bfad_lock, flags);
1104         rc = bfa_intx(&bfad->bfa);
1105         if (!rc) {
1106                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1107                 return IRQ_NONE;
1108         }
1109
1110         bfa_comp_deq(&bfad->bfa, &doneq);
1111         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1112
1113         if (!list_empty(&doneq)) {
1114                 bfa_comp_process(&bfad->bfa, &doneq);
1115
1116                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1117                 bfa_comp_free(&bfad->bfa, &doneq);
1118                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1119         }
1120
1121         return IRQ_HANDLED;
1122
1123 }
1124
1125 static irqreturn_t
1126 bfad_msix(int irq, void *dev_id)
1127 {
1128         struct bfad_msix_s *vec = dev_id;
1129         struct bfad_s *bfad = vec->bfad;
1130         struct list_head doneq;
1131         unsigned long   flags;
1132
1133         spin_lock_irqsave(&bfad->bfad_lock, flags);
1134
1135         bfa_msix(&bfad->bfa, vec->msix.entry);
1136         bfa_comp_deq(&bfad->bfa, &doneq);
1137         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1138
1139         if (!list_empty(&doneq)) {
1140                 bfa_comp_process(&bfad->bfa, &doneq);
1141
1142                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1143                 bfa_comp_free(&bfad->bfa, &doneq);
1144                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1145         }
1146
1147         return IRQ_HANDLED;
1148 }
1149
1150 /*
1151  * Initialize the MSIX entry table.
1152  */
1153 static void
1154 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1155                          int mask, int max_bit)
1156 {
1157         int     i;
1158         int     match = 0x00000001;
1159
1160         for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1161                 if (mask & match) {
1162                         bfad->msix_tab[bfad->nvec].msix.entry = i;
1163                         bfad->msix_tab[bfad->nvec].bfad = bfad;
1164                         msix_entries[bfad->nvec].entry = i;
1165                         bfad->nvec++;
1166                 }
1167
1168                 match <<= 1;
1169         }
1170
1171 }
1172
1173 int
1174 bfad_install_msix_handler(struct bfad_s *bfad)
1175 {
1176         int i, error = 0;
1177
1178         for (i = 0; i < bfad->nvec; i++) {
1179                 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1180                                 bfad->pci_name,
1181                                 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1182                                 msix_name_cb[i] : msix_name_ct[i]));
1183
1184                 error = request_irq(bfad->msix_tab[i].msix.vector,
1185                                     (irq_handler_t) bfad_msix, 0,
1186                                     bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1187                 bfa_trc(bfad, i);
1188                 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1189                 if (error) {
1190                         int     j;
1191
1192                         for (j = 0; j < i; j++)
1193                                 free_irq(bfad->msix_tab[j].msix.vector,
1194                                                 &bfad->msix_tab[j]);
1195
1196                         bfad->bfad_flags &= ~BFAD_MSIX_ON;
1197                         pci_disable_msix(bfad->pcidev);
1198
1199                         return 1;
1200                 }
1201         }
1202
1203         return 0;
1204 }
1205
1206 /*
1207  * Setup MSIX based interrupt.
1208  */
1209 int
1210 bfad_setup_intr(struct bfad_s *bfad)
1211 {
1212         int error;
1213         u32 mask = 0, i, num_bit = 0, max_bit = 0;
1214         struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1215         struct pci_dev *pdev = bfad->pcidev;
1216         u16     reg;
1217
1218         /* Call BFA to get the msix map for this PCI function.  */
1219         bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1220
1221         /* Set up the msix entry table */
1222         bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1223
1224         if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1225            (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
1226
1227                 error = pci_enable_msix_exact(bfad->pcidev,
1228                                               msix_entries, bfad->nvec);
1229                 /* In CT1 & CT2, try to allocate just one vector */
1230                 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
1231                         printk(KERN_WARNING "bfa %s: trying one msix "
1232                                "vector failed to allocate %d[%d]\n",
1233                                bfad->pci_name, bfad->nvec, error);
1234                         bfad->nvec = 1;
1235                         error = pci_enable_msix_exact(bfad->pcidev,
1236                                                       msix_entries, 1);
1237                 }
1238
1239                 if (error) {
1240                         printk(KERN_WARNING "bfad%d: "
1241                                "pci_enable_msix_exact failed (%d), "
1242                                "use line based.\n",
1243                                 bfad->inst_no, error);
1244                         goto line_based;
1245                 }
1246
1247                 /* Disable INTX in MSI-X mode */
1248                 pci_read_config_word(pdev, PCI_COMMAND, &reg);
1249
1250                 if (!(reg & PCI_COMMAND_INTX_DISABLE))
1251                         pci_write_config_word(pdev, PCI_COMMAND,
1252                                 reg | PCI_COMMAND_INTX_DISABLE);
1253
1254                 /* Save the vectors */
1255                 for (i = 0; i < bfad->nvec; i++) {
1256                         bfa_trc(bfad, msix_entries[i].vector);
1257                         bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1258                 }
1259
1260                 bfa_msix_init(&bfad->bfa, bfad->nvec);
1261
1262                 bfad->bfad_flags |= BFAD_MSIX_ON;
1263
1264                 return 0;
1265         }
1266
1267 line_based:
1268         error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx,
1269                             BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad);
1270         if (error)
1271                 return error;
1272
1273         bfad->bfad_flags |= BFAD_INTX_ON;
1274
1275         return 0;
1276 }
1277
1278 void
1279 bfad_remove_intr(struct bfad_s *bfad)
1280 {
1281         int     i;
1282
1283         if (bfad->bfad_flags & BFAD_MSIX_ON) {
1284                 for (i = 0; i < bfad->nvec; i++)
1285                         free_irq(bfad->msix_tab[i].msix.vector,
1286                                         &bfad->msix_tab[i]);
1287
1288                 pci_disable_msix(bfad->pcidev);
1289                 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1290         } else if (bfad->bfad_flags & BFAD_INTX_ON) {
1291                 free_irq(bfad->pcidev->irq, bfad);
1292         }
1293 }
1294
1295 /*
1296  * PCI probe entry.
1297  */
1298 int
1299 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1300 {
1301         struct bfad_s   *bfad;
1302         int             error = -ENODEV, retval, i;
1303
1304         /* For single port cards - only claim function 0 */
1305         if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1306                 (PCI_FUNC(pdev->devfn) != 0))
1307                 return -ENODEV;
1308
1309         bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1310         if (!bfad) {
1311                 error = -ENOMEM;
1312                 goto out;
1313         }
1314
1315         bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1316         if (!bfad->trcmod) {
1317                 printk(KERN_WARNING "Error alloc trace buffer!\n");
1318                 error = -ENOMEM;
1319                 goto out_alloc_trace_failure;
1320         }
1321
1322         /* TRACE INIT */
1323         bfa_trc_init(bfad->trcmod);
1324         bfa_trc(bfad, bfad_inst);
1325
1326         /* AEN INIT */
1327         INIT_LIST_HEAD(&bfad->free_aen_q);
1328         INIT_LIST_HEAD(&bfad->active_aen_q);
1329         for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1330                 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1331
1332         if (!(bfad_load_fwimg(pdev))) {
1333                 kfree(bfad->trcmod);
1334                 goto out_alloc_trace_failure;
1335         }
1336
1337         retval = bfad_pci_init(pdev, bfad);
1338         if (retval) {
1339                 printk(KERN_WARNING "bfad_pci_init failure!\n");
1340                 error = retval;
1341                 goto out_pci_init_failure;
1342         }
1343
1344         mutex_lock(&bfad_mutex);
1345         bfad->inst_no = bfad_inst++;
1346         list_add_tail(&bfad->list_entry, &bfad_list);
1347         mutex_unlock(&bfad_mutex);
1348
1349         /* Initializing the state machine: State set to uninit */
1350         bfa_sm_set_state(bfad, bfad_sm_uninit);
1351
1352         spin_lock_init(&bfad->bfad_lock);
1353         spin_lock_init(&bfad->bfad_aen_spinlock);
1354
1355         pci_set_drvdata(pdev, bfad);
1356
1357         bfad->ref_count = 0;
1358         bfad->pport.bfad = bfad;
1359         INIT_LIST_HEAD(&bfad->pbc_vport_list);
1360         INIT_LIST_HEAD(&bfad->vport_list);
1361
1362         /* Setup the debugfs node for this bfad */
1363         if (bfa_debugfs_enable)
1364                 bfad_debugfs_init(&bfad->pport);
1365
1366         retval = bfad_drv_init(bfad);
1367         if (retval != BFA_STATUS_OK)
1368                 goto out_drv_init_failure;
1369
1370         bfa_sm_send_event(bfad, BFAD_E_CREATE);
1371
1372         if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1373                 goto out_bfad_sm_failure;
1374
1375         return 0;
1376
1377 out_bfad_sm_failure:
1378         bfad_hal_mem_release(bfad);
1379 out_drv_init_failure:
1380         /* Remove the debugfs node for this bfad */
1381         kfree(bfad->regdata);
1382         bfad_debugfs_exit(&bfad->pport);
1383         mutex_lock(&bfad_mutex);
1384         bfad_inst--;
1385         list_del(&bfad->list_entry);
1386         mutex_unlock(&bfad_mutex);
1387         bfad_pci_uninit(pdev, bfad);
1388 out_pci_init_failure:
1389         kfree(bfad->trcmod);
1390 out_alloc_trace_failure:
1391         kfree(bfad);
1392 out:
1393         return error;
1394 }
1395
1396 /*
1397  * PCI remove entry.
1398  */
1399 void
1400 bfad_pci_remove(struct pci_dev *pdev)
1401 {
1402         struct bfad_s         *bfad = pci_get_drvdata(pdev);
1403         unsigned long   flags;
1404
1405         bfa_trc(bfad, bfad->inst_no);
1406
1407         spin_lock_irqsave(&bfad->bfad_lock, flags);
1408         if (bfad->bfad_tsk != NULL) {
1409                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1410                 kthread_stop(bfad->bfad_tsk);
1411         } else {
1412                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1413         }
1414
1415         /* Send Event BFAD_E_STOP */
1416         bfa_sm_send_event(bfad, BFAD_E_STOP);
1417
1418         /* Driver detach and dealloc mem */
1419         spin_lock_irqsave(&bfad->bfad_lock, flags);
1420         bfa_detach(&bfad->bfa);
1421         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1422         bfad_hal_mem_release(bfad);
1423
1424         /* Remove the debugfs node for this bfad */
1425         kfree(bfad->regdata);
1426         bfad_debugfs_exit(&bfad->pport);
1427
1428         /* Cleaning the BFAD instance */
1429         mutex_lock(&bfad_mutex);
1430         bfad_inst--;
1431         list_del(&bfad->list_entry);
1432         mutex_unlock(&bfad_mutex);
1433         bfad_pci_uninit(pdev, bfad);
1434
1435         kfree(bfad->trcmod);
1436         kfree(bfad);
1437 }
1438
1439 /*
1440  * PCI Error Recovery entry, error detected.
1441  */
1442 static pci_ers_result_t
1443 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1444 {
1445         struct bfad_s *bfad = pci_get_drvdata(pdev);
1446         unsigned long   flags;
1447         pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1448
1449         dev_printk(KERN_ERR, &pdev->dev,
1450                    "error detected state: %d - flags: 0x%x\n",
1451                    state, bfad->bfad_flags);
1452
1453         switch (state) {
1454         case pci_channel_io_normal: /* non-fatal error */
1455                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1456                 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1457                 /* Suspend/fail all bfa operations */
1458                 bfa_ioc_suspend(&bfad->bfa.ioc);
1459                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1460                 del_timer_sync(&bfad->hal_tmo);
1461                 ret = PCI_ERS_RESULT_CAN_RECOVER;
1462                 break;
1463         case pci_channel_io_frozen: /* fatal error */
1464                 init_completion(&bfad->comp);
1465                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1466                 bfad->bfad_flags |= BFAD_EEH_BUSY;
1467                 /* Suspend/fail all bfa operations */
1468                 bfa_ioc_suspend(&bfad->bfa.ioc);
1469                 bfa_fcs_stop(&bfad->bfa_fcs);
1470                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1471                 wait_for_completion(&bfad->comp);
1472
1473                 bfad_remove_intr(bfad);
1474                 del_timer_sync(&bfad->hal_tmo);
1475                 pci_disable_device(pdev);
1476                 ret = PCI_ERS_RESULT_NEED_RESET;
1477                 break;
1478         case pci_channel_io_perm_failure: /* PCI Card is DEAD */
1479                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1480                 bfad->bfad_flags |= BFAD_EEH_BUSY |
1481                                     BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1482                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1483
1484                 /* If the error_detected handler is called with the reason
1485                  * pci_channel_io_perm_failure - it will subsequently call
1486                  * pci_remove() entry point to remove the pci device from the
1487                  * system - So defer the cleanup to pci_remove(); cleaning up
1488                  * here causes inconsistent state during pci_remove().
1489                  */
1490                 ret = PCI_ERS_RESULT_DISCONNECT;
1491                 break;
1492         default:
1493                 WARN_ON(1);
1494         }
1495
1496         return ret;
1497 }
1498
1499 int
1500 restart_bfa(struct bfad_s *bfad)
1501 {
1502         unsigned long flags;
1503         struct pci_dev *pdev = bfad->pcidev;
1504
1505         bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1506                    &bfad->meminfo, &bfad->hal_pcidev);
1507
1508         /* Enable Interrupt and wait bfa_init completion */
1509         if (bfad_setup_intr(bfad)) {
1510                 dev_printk(KERN_WARNING, &pdev->dev,
1511                            "%s: bfad_setup_intr failed\n", bfad->pci_name);
1512                 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
1513                 return -1;
1514         }
1515
1516         init_completion(&bfad->comp);
1517         spin_lock_irqsave(&bfad->bfad_lock, flags);
1518         bfa_iocfc_init(&bfad->bfa);
1519         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1520
1521         /* Set up interrupt handler for each vectors */
1522         if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1523             bfad_install_msix_handler(bfad))
1524                 dev_printk(KERN_WARNING, &pdev->dev,
1525                            "%s: install_msix failed.\n", bfad->pci_name);
1526
1527         bfad_init_timer(bfad);
1528         wait_for_completion(&bfad->comp);
1529         bfad_drv_start(bfad);
1530
1531         return 0;
1532 }
1533
1534 /*
1535  * PCI Error Recovery entry, re-initialize the chip.
1536  */
1537 static pci_ers_result_t
1538 bfad_pci_slot_reset(struct pci_dev *pdev)
1539 {
1540         struct bfad_s *bfad = pci_get_drvdata(pdev);
1541         u8 byte;
1542
1543         dev_printk(KERN_ERR, &pdev->dev,
1544                    "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1545
1546         if (pci_enable_device(pdev)) {
1547                 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1548                            "PCI device after reset.\n");
1549                 return PCI_ERS_RESULT_DISCONNECT;
1550         }
1551
1552         pci_restore_state(pdev);
1553
1554         /*
1555          * Read some byte (e.g. DMA max. payload size which can't
1556          * be 0xff any time) to make sure - we did not hit another PCI error
1557          * in the middle of recovery. If we did, then declare permanent failure.
1558          */
1559         pci_read_config_byte(pdev, 0x68, &byte);
1560         if (byte == 0xff) {
1561                 dev_printk(KERN_ERR, &pdev->dev,
1562                            "slot_reset failed ... got another PCI error !\n");
1563                 goto out_disable_device;
1564         }
1565
1566         pci_save_state(pdev);
1567         pci_set_master(pdev);
1568
1569         if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(64)) != 0)
1570                 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(32)) != 0)
1571                         goto out_disable_device;
1572
1573         pci_cleanup_aer_uncorrect_error_status(pdev);
1574
1575         if (restart_bfa(bfad) == -1)
1576                 goto out_disable_device;
1577
1578         pci_enable_pcie_error_reporting(pdev);
1579         dev_printk(KERN_WARNING, &pdev->dev,
1580                    "slot_reset completed  flags: 0x%x!\n", bfad->bfad_flags);
1581
1582         return PCI_ERS_RESULT_RECOVERED;
1583
1584 out_disable_device:
1585         pci_disable_device(pdev);
1586         return PCI_ERS_RESULT_DISCONNECT;
1587 }
1588
1589 static pci_ers_result_t
1590 bfad_pci_mmio_enabled(struct pci_dev *pdev)
1591 {
1592         unsigned long   flags;
1593         struct bfad_s *bfad = pci_get_drvdata(pdev);
1594
1595         dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1596
1597         /* Fetch FW diagnostic information */
1598         bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1599
1600         /* Cancel all pending IOs */
1601         spin_lock_irqsave(&bfad->bfad_lock, flags);
1602         init_completion(&bfad->comp);
1603         bfa_fcs_stop(&bfad->bfa_fcs);
1604         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1605         wait_for_completion(&bfad->comp);
1606
1607         bfad_remove_intr(bfad);
1608         del_timer_sync(&bfad->hal_tmo);
1609         pci_disable_device(pdev);
1610
1611         return PCI_ERS_RESULT_NEED_RESET;
1612 }
1613
1614 static void
1615 bfad_pci_resume(struct pci_dev *pdev)
1616 {
1617         unsigned long   flags;
1618         struct bfad_s *bfad = pci_get_drvdata(pdev);
1619
1620         dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1621
1622         /* wait until the link is online */
1623         bfad_rport_online_wait(bfad);
1624
1625         spin_lock_irqsave(&bfad->bfad_lock, flags);
1626         bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1627         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1628 }
1629
1630 struct pci_device_id bfad_id_table[] = {
1631         {
1632                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1633                 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1634                 .subvendor = PCI_ANY_ID,
1635                 .subdevice = PCI_ANY_ID,
1636         },
1637         {
1638                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1639                 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1640                 .subvendor = PCI_ANY_ID,
1641                 .subdevice = PCI_ANY_ID,
1642         },
1643         {
1644                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1645                 .device = BFA_PCI_DEVICE_ID_CT,
1646                 .subvendor = PCI_ANY_ID,
1647                 .subdevice = PCI_ANY_ID,
1648                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1649                 .class_mask = ~0,
1650         },
1651         {
1652                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1653                 .device = BFA_PCI_DEVICE_ID_CT_FC,
1654                 .subvendor = PCI_ANY_ID,
1655                 .subdevice = PCI_ANY_ID,
1656                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1657                 .class_mask = ~0,
1658         },
1659         {
1660                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1661                 .device = BFA_PCI_DEVICE_ID_CT2,
1662                 .subvendor = PCI_ANY_ID,
1663                 .subdevice = PCI_ANY_ID,
1664                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1665                 .class_mask = ~0,
1666         },
1667
1668         {
1669                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1670                 .device = BFA_PCI_DEVICE_ID_CT2_QUAD,
1671                 .subvendor = PCI_ANY_ID,
1672                 .subdevice = PCI_ANY_ID,
1673                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1674                 .class_mask = ~0,
1675         },
1676         {0, 0},
1677 };
1678
1679 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1680
1681 /*
1682  * PCI error recovery handlers.
1683  */
1684 static struct pci_error_handlers bfad_err_handler = {
1685         .error_detected = bfad_pci_error_detected,
1686         .slot_reset = bfad_pci_slot_reset,
1687         .mmio_enabled = bfad_pci_mmio_enabled,
1688         .resume = bfad_pci_resume,
1689 };
1690
1691 static struct pci_driver bfad_pci_driver = {
1692         .name = BFAD_DRIVER_NAME,
1693         .id_table = bfad_id_table,
1694         .probe = bfad_pci_probe,
1695         .remove = bfad_pci_remove,
1696         .err_handler = &bfad_err_handler,
1697 };
1698
1699 /*
1700  * Driver module init.
1701  */
1702 static int __init
1703 bfad_init(void)
1704 {
1705         int             error = 0;
1706
1707         pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n",
1708                         BFAD_DRIVER_VERSION);
1709
1710         if (num_sgpgs > 0)
1711                 num_sgpgs_parm = num_sgpgs;
1712
1713         error = bfad_im_module_init();
1714         if (error) {
1715                 error = -ENOMEM;
1716                 printk(KERN_WARNING "bfad_im_module_init failure\n");
1717                 goto ext;
1718         }
1719
1720         if (strcmp(FCPI_NAME, " fcpim") == 0)
1721                 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1722
1723         bfa_auto_recover = ioc_auto_recover;
1724         bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1725         bfa_fcs_rport_set_max_logins(max_rport_logins);
1726
1727         error = pci_register_driver(&bfad_pci_driver);
1728         if (error) {
1729                 printk(KERN_WARNING "pci_register_driver failure\n");
1730                 goto ext;
1731         }
1732
1733         return 0;
1734
1735 ext:
1736         bfad_im_module_exit();
1737         return error;
1738 }
1739
1740 /*
1741  * Driver module exit.
1742  */
1743 static void __exit
1744 bfad_exit(void)
1745 {
1746         pci_unregister_driver(&bfad_pci_driver);
1747         bfad_im_module_exit();
1748         bfad_free_fwimg();
1749 }
1750
1751 /* Firmware handling */
1752 static void
1753 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1754                 u32 *bfi_image_size, char *fw_name)
1755 {
1756         const struct firmware *fw;
1757
1758         if (reject_firmware(&fw, fw_name, &pdev->dev)) {
1759                 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1760                 *bfi_image = NULL;
1761                 goto out;
1762         }
1763
1764         *bfi_image = vmalloc(fw->size);
1765         if (NULL == *bfi_image) {
1766                 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1767                         "size=%x!\n", (u32) fw->size);
1768                 goto out;
1769         }
1770
1771         memcpy(*bfi_image, fw->data, fw->size);
1772         *bfi_image_size = fw->size/sizeof(u32);
1773 out:
1774         release_firmware(fw);
1775 }
1776
1777 static u32 *
1778 bfad_load_fwimg(struct pci_dev *pdev)
1779 {
1780         if (bfa_asic_id_ct2(pdev->device)) {
1781                 if (bfi_image_ct2_size == 0)
1782                         bfad_read_firmware(pdev, &bfi_image_ct2,
1783                                 &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1784                 return bfi_image_ct2;
1785         } else if (bfa_asic_id_ct(pdev->device)) {
1786                 if (bfi_image_ct_size == 0)
1787                         bfad_read_firmware(pdev, &bfi_image_ct,
1788                                 &bfi_image_ct_size, BFAD_FW_FILE_CT);
1789                 return bfi_image_ct;
1790         } else if (bfa_asic_id_cb(pdev->device)) {
1791                 if (bfi_image_cb_size == 0)
1792                         bfad_read_firmware(pdev, &bfi_image_cb,
1793                                 &bfi_image_cb_size, BFAD_FW_FILE_CB);
1794                 return bfi_image_cb;
1795         }
1796
1797         return NULL;
1798 }
1799
1800 static void
1801 bfad_free_fwimg(void)
1802 {
1803         if (bfi_image_ct2_size && bfi_image_ct2)
1804                 vfree(bfi_image_ct2);
1805         if (bfi_image_ct_size && bfi_image_ct)
1806                 vfree(bfi_image_ct);
1807         if (bfi_image_cb_size && bfi_image_cb)
1808                 vfree(bfi_image_cb);
1809 }
1810
1811 module_init(bfad_init);
1812 module_exit(bfad_exit);
1813 MODULE_LICENSE("GPL");
1814 MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1815 MODULE_AUTHOR("QLogic Corporation");
1816 MODULE_VERSION(BFAD_DRIVER_VERSION);