1 /* 2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. 3 * All rights reserved 4 * www.brocade.com 5 * 6 * Linux driver for Brocade Fibre Channel Host Bus Adapter. 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License (GPL) Version 2 as 10 * published by the Free Software Foundation 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * General Public License for more details. 16 */ 17 18 /* 19 * bfad.c Linux driver PCI interface module. 20 */ 21 #include <linux/module.h> 22 #include <linux/kthread.h> 23 #include <linux/errno.h> 24 #include <linux/sched.h> 25 #include <linux/init.h> 26 #include <linux/fs.h> 27 #include <linux/pci.h> 28 #include <linux/firmware.h> 29 #include <asm/uaccess.h> 30 #include <asm/fcntl.h> 31 32 #include "bfad_drv.h" 33 #include "bfad_im.h" 34 #include "bfa_fcs.h" 35 #include "bfa_defs.h" 36 #include "bfa.h" 37 38 BFA_TRC_FILE(LDRV, BFAD); 39 DEFINE_MUTEX(bfad_mutex); 40 LIST_HEAD(bfad_list); 41 42 static int bfad_inst; 43 static int num_sgpgs_parm; 44 int supported_fc4s; 45 char *host_name, *os_name, *os_patch; 46 int num_rports, num_ios, num_tms; 47 int num_fcxps, num_ufbufs; 48 int reqq_size, rspq_size, num_sgpgs; 49 int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT; 50 int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH; 51 int bfa_io_max_sge = BFAD_IO_MAX_SGE; 52 int bfa_log_level = 3; /* WARNING log level */ 53 int ioc_auto_recover = BFA_TRUE; 54 int bfa_linkup_delay = -1; 55 int fdmi_enable = BFA_TRUE; 56 int pcie_max_read_reqsz; 57 int bfa_debugfs_enable = 1; 58 int msix_disable_cb = 0, msix_disable_ct = 0; 59 int max_xfer_size = BFAD_MAX_SECTORS >> 1; 60 int max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS; 61 62 /* Firmware releated */ 63 u32 bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size; 64 u32 *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2; 65 66 #define BFAD_FW_FILE_CB "cbfw-3.2.3.0.bin" 67 #define BFAD_FW_FILE_CT "ctfw-3.2.3.0.bin" 68 #define BFAD_FW_FILE_CT2 "ct2fw-3.2.3.0.bin" 69 70 static u32 *bfad_load_fwimg(struct pci_dev *pdev); 71 static void bfad_free_fwimg(void); 72 static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, 73 u32 *bfi_image_size, char *fw_name); 74 75 static const char *msix_name_ct[] = { 76 "ctrl", 77 "cpe0", "cpe1", "cpe2", "cpe3", 78 "rme0", "rme1", "rme2", "rme3" }; 79 80 static const char *msix_name_cb[] = { 81 "cpe0", "cpe1", "cpe2", "cpe3", 82 "rme0", "rme1", "rme2", "rme3", 83 "eemc", "elpu0", "elpu1", "epss", "mlpu" }; 84 85 MODULE_FIRMWARE(BFAD_FW_FILE_CB); 86 MODULE_FIRMWARE(BFAD_FW_FILE_CT); 87 MODULE_FIRMWARE(BFAD_FW_FILE_CT2); 88 89 module_param(os_name, charp, S_IRUGO | S_IWUSR); 90 MODULE_PARM_DESC(os_name, "OS name of the hba host machine"); 91 module_param(os_patch, charp, S_IRUGO | S_IWUSR); 92 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine"); 93 module_param(host_name, charp, S_IRUGO | S_IWUSR); 94 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine"); 95 module_param(num_rports, int, S_IRUGO | S_IWUSR); 96 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port " 97 "(physical/logical), default=1024"); 98 module_param(num_ios, int, S_IRUGO | S_IWUSR); 99 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000"); 100 module_param(num_tms, int, S_IRUGO | S_IWUSR); 101 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128"); 102 module_param(num_fcxps, int, S_IRUGO | S_IWUSR); 103 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64"); 104 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR); 105 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame " 106 "buffers, default=64"); 107 module_param(reqq_size, int, S_IRUGO | S_IWUSR); 108 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, " 109 "default=256"); 110 module_param(rspq_size, int, S_IRUGO | S_IWUSR); 111 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, " 112 "default=64"); 113 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR); 114 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048"); 115 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR); 116 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, " 117 "Range[>0]"); 118 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR); 119 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]"); 120 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR); 121 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255"); 122 module_param(bfa_log_level, int, S_IRUGO | S_IWUSR); 123 MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, " 124 "Range[Critical:1|Error:2|Warning:3|Info:4]"); 125 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR); 126 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, " 127 "Range[off:0|on:1]"); 128 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR); 129 MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for " 130 "boot port. Otherwise 10 secs in RHEL4 & 0 for " 131 "[RHEL5, SLES10, ESX40] Range[>0]"); 132 module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR); 133 MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts " 134 "for Brocade-415/425/815/825 cards, default=0, " 135 " Range[false:0|true:1]"); 136 module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR); 137 MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts " 138 "if possible for Brocade-1010/1020/804/1007/902/1741 " 139 "cards, default=0, Range[false:0|true:1]"); 140 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR); 141 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, " 142 "Range[false:0|true:1]"); 143 module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR); 144 MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 " 145 "(use system setting), Range[128|256|512|1024|2048|4096]"); 146 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR); 147 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1," 148 " Range[false:0|true:1]"); 149 module_param(max_xfer_size, int, S_IRUGO | S_IWUSR); 150 MODULE_PARM_DESC(max_xfer_size, "default=32MB," 151 " Range[64k|128k|256k|512k|1024k|2048k]"); 152 module_param(max_rport_logins, int, S_IRUGO | S_IWUSR); 153 MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024"); 154 155 static void 156 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event); 157 static void 158 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event); 159 static void 160 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event); 161 static void 162 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event); 163 static void 164 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event); 165 static void 166 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event); 167 static void 168 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event); 169 170 /* 171 * Beginning state for the driver instance, awaiting the pci_probe event 172 */ 173 static void 174 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event) 175 { 176 bfa_trc(bfad, event); 177 178 switch (event) { 179 case BFAD_E_CREATE: 180 bfa_sm_set_state(bfad, bfad_sm_created); 181 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, 182 "%s", "bfad_worker"); 183 if (IS_ERR(bfad->bfad_tsk)) { 184 printk(KERN_INFO "bfad[%d]: Kernel thread " 185 "creation failed!\n", bfad->inst_no); 186 bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED); 187 } 188 bfa_sm_send_event(bfad, BFAD_E_INIT); 189 break; 190 191 case BFAD_E_STOP: 192 /* Ignore stop; already in uninit */ 193 break; 194 195 default: 196 bfa_sm_fault(bfad, event); 197 } 198 } 199 200 /* 201 * Driver Instance is created, awaiting event INIT to initialize the bfad 202 */ 203 static void 204 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event) 205 { 206 unsigned long flags; 207 bfa_status_t ret; 208 209 bfa_trc(bfad, event); 210 211 switch (event) { 212 case BFAD_E_INIT: 213 bfa_sm_set_state(bfad, bfad_sm_initializing); 214 215 init_completion(&bfad->comp); 216 217 /* Enable Interrupt and wait bfa_init completion */ 218 if (bfad_setup_intr(bfad)) { 219 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n", 220 bfad->inst_no); 221 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); 222 break; 223 } 224 225 spin_lock_irqsave(&bfad->bfad_lock, flags); 226 bfa_iocfc_init(&bfad->bfa); 227 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 228 229 /* Set up interrupt handler for each vectors */ 230 if ((bfad->bfad_flags & BFAD_MSIX_ON) && 231 bfad_install_msix_handler(bfad)) { 232 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n", 233 __func__, bfad->inst_no); 234 } 235 236 bfad_init_timer(bfad); 237 238 wait_for_completion(&bfad->comp); 239 240 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { 241 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); 242 } else { 243 printk(KERN_WARNING 244 "bfa %s: bfa init failed\n", 245 bfad->pci_name); 246 spin_lock_irqsave(&bfad->bfad_lock, flags); 247 bfa_fcs_init(&bfad->bfa_fcs); 248 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 249 250 ret = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM); 251 if (ret != BFA_STATUS_OK) { 252 init_completion(&bfad->comp); 253 254 spin_lock_irqsave(&bfad->bfad_lock, flags); 255 bfad->pport.flags |= BFAD_PORT_DELETE; 256 bfa_fcs_exit(&bfad->bfa_fcs); 257 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 258 259 wait_for_completion(&bfad->comp); 260 261 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); 262 break; 263 } 264 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL; 265 bfa_sm_send_event(bfad, BFAD_E_HAL_INIT_FAILED); 266 } 267 268 break; 269 270 case BFAD_E_KTHREAD_CREATE_FAILED: 271 bfa_sm_set_state(bfad, bfad_sm_uninit); 272 break; 273 274 default: 275 bfa_sm_fault(bfad, event); 276 } 277 } 278 279 static void 280 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event) 281 { 282 int retval; 283 unsigned long flags; 284 285 bfa_trc(bfad, event); 286 287 switch (event) { 288 case BFAD_E_INIT_SUCCESS: 289 kthread_stop(bfad->bfad_tsk); 290 spin_lock_irqsave(&bfad->bfad_lock, flags); 291 bfad->bfad_tsk = NULL; 292 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 293 294 retval = bfad_start_ops(bfad); 295 if (retval != BFA_STATUS_OK) { 296 bfa_sm_set_state(bfad, bfad_sm_failed); 297 break; 298 } 299 bfa_sm_set_state(bfad, bfad_sm_operational); 300 break; 301 302 case BFAD_E_INIT_FAILED: 303 bfa_sm_set_state(bfad, bfad_sm_uninit); 304 kthread_stop(bfad->bfad_tsk); 305 spin_lock_irqsave(&bfad->bfad_lock, flags); 306 bfad->bfad_tsk = NULL; 307 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 308 break; 309 310 case BFAD_E_HAL_INIT_FAILED: 311 bfa_sm_set_state(bfad, bfad_sm_failed); 312 break; 313 default: 314 bfa_sm_fault(bfad, event); 315 } 316 } 317 318 static void 319 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event) 320 { 321 int retval; 322 323 bfa_trc(bfad, event); 324 325 switch (event) { 326 case BFAD_E_INIT_SUCCESS: 327 retval = bfad_start_ops(bfad); 328 if (retval != BFA_STATUS_OK) 329 break; 330 bfa_sm_set_state(bfad, bfad_sm_operational); 331 break; 332 333 case BFAD_E_STOP: 334 bfa_sm_set_state(bfad, bfad_sm_fcs_exit); 335 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP); 336 break; 337 338 case BFAD_E_EXIT_COMP: 339 bfa_sm_set_state(bfad, bfad_sm_uninit); 340 bfad_remove_intr(bfad); 341 del_timer_sync(&bfad->hal_tmo); 342 break; 343 344 default: 345 bfa_sm_fault(bfad, event); 346 } 347 } 348 349 static void 350 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event) 351 { 352 bfa_trc(bfad, event); 353 354 switch (event) { 355 case BFAD_E_STOP: 356 bfa_sm_set_state(bfad, bfad_sm_fcs_exit); 357 bfad_fcs_stop(bfad); 358 break; 359 360 default: 361 bfa_sm_fault(bfad, event); 362 } 363 } 364 365 static void 366 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event) 367 { 368 bfa_trc(bfad, event); 369 370 switch (event) { 371 case BFAD_E_FCS_EXIT_COMP: 372 bfa_sm_set_state(bfad, bfad_sm_stopping); 373 bfad_stop(bfad); 374 break; 375 376 default: 377 bfa_sm_fault(bfad, event); 378 } 379 } 380 381 static void 382 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event) 383 { 384 bfa_trc(bfad, event); 385 386 switch (event) { 387 case BFAD_E_EXIT_COMP: 388 bfa_sm_set_state(bfad, bfad_sm_uninit); 389 bfad_remove_intr(bfad); 390 del_timer_sync(&bfad->hal_tmo); 391 bfad_im_probe_undo(bfad); 392 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; 393 bfad_uncfg_pport(bfad); 394 break; 395 396 default: 397 bfa_sm_fault(bfad, event); 398 break; 399 } 400 } 401 402 /* 403 * BFA callbacks 404 */ 405 void 406 bfad_hcb_comp(void *arg, bfa_status_t status) 407 { 408 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg; 409 410 fcomp->status = status; 411 complete(&fcomp->comp); 412 } 413 414 /* 415 * bfa_init callback 416 */ 417 void 418 bfa_cb_init(void *drv, bfa_status_t init_status) 419 { 420 struct bfad_s *bfad = drv; 421 422 if (init_status == BFA_STATUS_OK) { 423 bfad->bfad_flags |= BFAD_HAL_INIT_DONE; 424 425 /* 426 * If BFAD_HAL_INIT_FAIL flag is set: 427 * Wake up the kernel thread to start 428 * the bfad operations after HAL init done 429 */ 430 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) { 431 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL; 432 wake_up_process(bfad->bfad_tsk); 433 } 434 } 435 436 complete(&bfad->comp); 437 } 438 439 /* 440 * BFA_FCS callbacks 441 */ 442 struct bfad_port_s * 443 bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port, 444 enum bfa_lport_role roles, struct bfad_vf_s *vf_drv, 445 struct bfad_vport_s *vp_drv) 446 { 447 bfa_status_t rc; 448 struct bfad_port_s *port_drv; 449 450 if (!vp_drv && !vf_drv) { 451 port_drv = &bfad->pport; 452 port_drv->pvb_type = BFAD_PORT_PHYS_BASE; 453 } else if (!vp_drv && vf_drv) { 454 port_drv = &vf_drv->base_port; 455 port_drv->pvb_type = BFAD_PORT_VF_BASE; 456 } else if (vp_drv && !vf_drv) { 457 port_drv = &vp_drv->drv_port; 458 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT; 459 } else { 460 port_drv = &vp_drv->drv_port; 461 port_drv->pvb_type = BFAD_PORT_VF_VPORT; 462 } 463 464 port_drv->fcs_port = port; 465 port_drv->roles = roles; 466 467 if (roles & BFA_LPORT_ROLE_FCP_IM) { 468 rc = bfad_im_port_new(bfad, port_drv); 469 if (rc != BFA_STATUS_OK) { 470 bfad_im_port_delete(bfad, port_drv); 471 port_drv = NULL; 472 } 473 } 474 475 return port_drv; 476 } 477 478 /* 479 * FCS RPORT alloc callback, after successful PLOGI by FCS 480 */ 481 bfa_status_t 482 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport, 483 struct bfad_rport_s **rport_drv) 484 { 485 bfa_status_t rc = BFA_STATUS_OK; 486 487 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC); 488 if (*rport_drv == NULL) { 489 rc = BFA_STATUS_ENOMEM; 490 goto ext; 491 } 492 493 *rport = &(*rport_drv)->fcs_rport; 494 495 ext: 496 return rc; 497 } 498 499 /* 500 * FCS PBC VPORT Create 501 */ 502 void 503 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport) 504 { 505 506 struct bfa_lport_cfg_s port_cfg = {0}; 507 struct bfad_vport_s *vport; 508 int rc; 509 510 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_ATOMIC); 511 if (!vport) { 512 bfa_trc(bfad, 0); 513 return; 514 } 515 516 vport->drv_port.bfad = bfad; 517 port_cfg.roles = BFA_LPORT_ROLE_FCP_IM; 518 port_cfg.pwwn = pbc_vport.vp_pwwn; 519 port_cfg.nwwn = pbc_vport.vp_nwwn; 520 port_cfg.preboot_vp = BFA_TRUE; 521 522 rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0, 523 &port_cfg, vport); 524 525 if (rc != BFA_STATUS_OK) { 526 bfa_trc(bfad, 0); 527 return; 528 } 529 530 list_add_tail(&vport->list_entry, &bfad->pbc_vport_list); 531 } 532 533 void 534 bfad_hal_mem_release(struct bfad_s *bfad) 535 { 536 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; 537 struct bfa_mem_dma_s *dma_info, *dma_elem; 538 struct bfa_mem_kva_s *kva_info, *kva_elem; 539 struct list_head *dm_qe, *km_qe; 540 541 dma_info = &hal_meminfo->dma_info; 542 kva_info = &hal_meminfo->kva_info; 543 544 /* Iterate through the KVA meminfo queue */ 545 list_for_each(km_qe, &kva_info->qe) { 546 kva_elem = (struct bfa_mem_kva_s *) km_qe; 547 vfree(kva_elem->kva); 548 } 549 550 /* Iterate through the DMA meminfo queue */ 551 list_for_each(dm_qe, &dma_info->qe) { 552 dma_elem = (struct bfa_mem_dma_s *) dm_qe; 553 dma_free_coherent(&bfad->pcidev->dev, 554 dma_elem->mem_len, dma_elem->kva, 555 (dma_addr_t) dma_elem->dma); 556 } 557 558 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s)); 559 } 560 561 void 562 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg) 563 { 564 if (num_rports > 0) 565 bfa_cfg->fwcfg.num_rports = num_rports; 566 if (num_ios > 0) 567 bfa_cfg->fwcfg.num_ioim_reqs = num_ios; 568 if (num_tms > 0) 569 bfa_cfg->fwcfg.num_tskim_reqs = num_tms; 570 if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX) 571 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps; 572 if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX) 573 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs; 574 if (reqq_size > 0) 575 bfa_cfg->drvcfg.num_reqq_elems = reqq_size; 576 if (rspq_size > 0) 577 bfa_cfg->drvcfg.num_rspq_elems = rspq_size; 578 if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX) 579 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs; 580 581 /* 582 * populate the hal values back to the driver for sysfs use. 583 * otherwise, the default values will be shown as 0 in sysfs 584 */ 585 num_rports = bfa_cfg->fwcfg.num_rports; 586 num_ios = bfa_cfg->fwcfg.num_ioim_reqs; 587 num_tms = bfa_cfg->fwcfg.num_tskim_reqs; 588 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs; 589 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs; 590 reqq_size = bfa_cfg->drvcfg.num_reqq_elems; 591 rspq_size = bfa_cfg->drvcfg.num_rspq_elems; 592 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs; 593 } 594 595 bfa_status_t 596 bfad_hal_mem_alloc(struct bfad_s *bfad) 597 { 598 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; 599 struct bfa_mem_dma_s *dma_info, *dma_elem; 600 struct bfa_mem_kva_s *kva_info, *kva_elem; 601 struct list_head *dm_qe, *km_qe; 602 bfa_status_t rc = BFA_STATUS_OK; 603 dma_addr_t phys_addr; 604 605 bfa_cfg_get_default(&bfad->ioc_cfg); 606 bfad_update_hal_cfg(&bfad->ioc_cfg); 607 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs; 608 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa); 609 610 dma_info = &hal_meminfo->dma_info; 611 kva_info = &hal_meminfo->kva_info; 612 613 /* Iterate through the KVA meminfo queue */ 614 list_for_each(km_qe, &kva_info->qe) { 615 kva_elem = (struct bfa_mem_kva_s *) km_qe; 616 kva_elem->kva = vmalloc(kva_elem->mem_len); 617 if (kva_elem->kva == NULL) { 618 bfad_hal_mem_release(bfad); 619 rc = BFA_STATUS_ENOMEM; 620 goto ext; 621 } 622 memset(kva_elem->kva, 0, kva_elem->mem_len); 623 } 624 625 /* Iterate through the DMA meminfo queue */ 626 list_for_each(dm_qe, &dma_info->qe) { 627 dma_elem = (struct bfa_mem_dma_s *) dm_qe; 628 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev, 629 dma_elem->mem_len, 630 &phys_addr, GFP_KERNEL); 631 if (dma_elem->kva == NULL) { 632 bfad_hal_mem_release(bfad); 633 rc = BFA_STATUS_ENOMEM; 634 goto ext; 635 } 636 dma_elem->dma = phys_addr; 637 memset(dma_elem->kva, 0, dma_elem->mem_len); 638 } 639 ext: 640 return rc; 641 } 642 643 /* 644 * Create a vport under a vf. 645 */ 646 bfa_status_t 647 bfad_vport_create(struct bfad_s *bfad, u16 vf_id, 648 struct bfa_lport_cfg_s *port_cfg, struct device *dev) 649 { 650 struct bfad_vport_s *vport; 651 int rc = BFA_STATUS_OK; 652 unsigned long flags; 653 struct completion fcomp; 654 655 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); 656 if (!vport) { 657 rc = BFA_STATUS_ENOMEM; 658 goto ext; 659 } 660 661 vport->drv_port.bfad = bfad; 662 spin_lock_irqsave(&bfad->bfad_lock, flags); 663 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id, 664 port_cfg, vport); 665 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 666 667 if (rc != BFA_STATUS_OK) 668 goto ext_free_vport; 669 670 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) { 671 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port, 672 dev); 673 if (rc != BFA_STATUS_OK) 674 goto ext_free_fcs_vport; 675 } 676 677 spin_lock_irqsave(&bfad->bfad_lock, flags); 678 bfa_fcs_vport_start(&vport->fcs_vport); 679 list_add_tail(&vport->list_entry, &bfad->vport_list); 680 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 681 682 return BFA_STATUS_OK; 683 684 ext_free_fcs_vport: 685 spin_lock_irqsave(&bfad->bfad_lock, flags); 686 vport->comp_del = &fcomp; 687 init_completion(vport->comp_del); 688 bfa_fcs_vport_delete(&vport->fcs_vport); 689 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 690 wait_for_completion(vport->comp_del); 691 ext_free_vport: 692 kfree(vport); 693 ext: 694 return rc; 695 } 696 697 void 698 bfad_bfa_tmo(unsigned long data) 699 { 700 struct bfad_s *bfad = (struct bfad_s *) data; 701 unsigned long flags; 702 struct list_head doneq; 703 704 spin_lock_irqsave(&bfad->bfad_lock, flags); 705 706 bfa_timer_beat(&bfad->bfa.timer_mod); 707 708 bfa_comp_deq(&bfad->bfa, &doneq); 709 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 710 711 if (!list_empty(&doneq)) { 712 bfa_comp_process(&bfad->bfa, &doneq); 713 spin_lock_irqsave(&bfad->bfad_lock, flags); 714 bfa_comp_free(&bfad->bfa, &doneq); 715 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 716 } 717 718 mod_timer(&bfad->hal_tmo, 719 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); 720 } 721 722 void 723 bfad_init_timer(struct bfad_s *bfad) 724 { 725 init_timer(&bfad->hal_tmo); 726 bfad->hal_tmo.function = bfad_bfa_tmo; 727 bfad->hal_tmo.data = (unsigned long)bfad; 728 729 mod_timer(&bfad->hal_tmo, 730 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); 731 } 732 733 int 734 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) 735 { 736 int rc = -ENODEV; 737 738 if (pci_enable_device(pdev)) { 739 printk(KERN_ERR "pci_enable_device fail %p\n", pdev); 740 goto out; 741 } 742 743 if (pci_request_regions(pdev, BFAD_DRIVER_NAME)) 744 goto out_disable_device; 745 746 pci_set_master(pdev); 747 748 749 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) || 750 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) { 751 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) || 752 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) { 753 printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev); 754 goto out_release_region; 755 } 756 } 757 758 /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */ 759 pci_enable_pcie_error_reporting(pdev); 760 761 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0)); 762 bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2)); 763 764 if (bfad->pci_bar0_kva == NULL) { 765 printk(KERN_ERR "Fail to map bar0\n"); 766 goto out_release_region; 767 } 768 769 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn); 770 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn); 771 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva; 772 bfad->hal_pcidev.device_id = pdev->device; 773 bfad->hal_pcidev.ssid = pdev->subsystem_device; 774 bfad->pci_name = pci_name(pdev); 775 776 bfad->pci_attr.vendor_id = pdev->vendor; 777 bfad->pci_attr.device_id = pdev->device; 778 bfad->pci_attr.ssid = pdev->subsystem_device; 779 bfad->pci_attr.ssvid = pdev->subsystem_vendor; 780 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); 781 782 bfad->pcidev = pdev; 783 784 /* Adjust PCIe Maximum Read Request Size */ 785 if (pci_is_pcie(pdev) && pcie_max_read_reqsz) { 786 if (pcie_max_read_reqsz >= 128 && 787 pcie_max_read_reqsz <= 4096 && 788 is_power_of_2(pcie_max_read_reqsz)) { 789 int max_rq = pcie_get_readrq(pdev); 790 printk(KERN_WARNING "BFA[%s]: " 791 "pcie_max_read_request_size is %d, " 792 "reset to %d\n", bfad->pci_name, max_rq, 793 pcie_max_read_reqsz); 794 pcie_set_readrq(pdev, pcie_max_read_reqsz); 795 } else { 796 printk(KERN_WARNING "BFA[%s]: invalid " 797 "pcie_max_read_request_size %d ignored\n", 798 bfad->pci_name, pcie_max_read_reqsz); 799 } 800 } 801 802 pci_save_state(pdev); 803 804 return 0; 805 806 out_release_region: 807 pci_release_regions(pdev); 808 out_disable_device: 809 pci_disable_device(pdev); 810 out: 811 return rc; 812 } 813 814 void 815 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) 816 { 817 pci_iounmap(pdev, bfad->pci_bar0_kva); 818 pci_iounmap(pdev, bfad->pci_bar2_kva); 819 pci_release_regions(pdev); 820 /* Disable PCIE Advanced Error Recovery (AER) */ 821 pci_disable_pcie_error_reporting(pdev); 822 pci_disable_device(pdev); 823 } 824 825 bfa_status_t 826 bfad_drv_init(struct bfad_s *bfad) 827 { 828 bfa_status_t rc; 829 unsigned long flags; 830 831 bfad->cfg_data.rport_del_timeout = rport_del_timeout; 832 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth; 833 bfad->cfg_data.io_max_sge = bfa_io_max_sge; 834 bfad->cfg_data.binding_method = FCP_PWWN_BINDING; 835 836 rc = bfad_hal_mem_alloc(bfad); 837 if (rc != BFA_STATUS_OK) { 838 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", 839 bfad->inst_no); 840 printk(KERN_WARNING 841 "Not enough memory to attach all Brocade HBA ports, %s", 842 "System may need more memory.\n"); 843 return BFA_STATUS_FAILED; 844 } 845 846 bfad->bfa.trcmod = bfad->trcmod; 847 bfad->bfa.plog = &bfad->plog_buf; 848 bfa_plog_init(&bfad->plog_buf); 849 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, 850 0, "Driver Attach"); 851 852 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, 853 &bfad->hal_pcidev); 854 855 /* FCS INIT */ 856 spin_lock_irqsave(&bfad->bfad_lock, flags); 857 bfad->bfa_fcs.trcmod = bfad->trcmod; 858 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE); 859 bfad->bfa_fcs.fdmi_enabled = fdmi_enable; 860 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 861 862 bfad->bfad_flags |= BFAD_DRV_INIT_DONE; 863 864 return BFA_STATUS_OK; 865 } 866 867 void 868 bfad_drv_uninit(struct bfad_s *bfad) 869 { 870 unsigned long flags; 871 872 spin_lock_irqsave(&bfad->bfad_lock, flags); 873 init_completion(&bfad->comp); 874 bfa_iocfc_stop(&bfad->bfa); 875 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 876 wait_for_completion(&bfad->comp); 877 878 del_timer_sync(&bfad->hal_tmo); 879 bfa_isr_disable(&bfad->bfa); 880 bfa_detach(&bfad->bfa); 881 bfad_remove_intr(bfad); 882 bfad_hal_mem_release(bfad); 883 884 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE; 885 } 886 887 void 888 bfad_drv_start(struct bfad_s *bfad) 889 { 890 unsigned long flags; 891 892 spin_lock_irqsave(&bfad->bfad_lock, flags); 893 bfa_iocfc_start(&bfad->bfa); 894 bfa_fcs_pbc_vport_init(&bfad->bfa_fcs); 895 bfa_fcs_fabric_modstart(&bfad->bfa_fcs); 896 bfad->bfad_flags |= BFAD_HAL_START_DONE; 897 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 898 899 if (bfad->im) 900 flush_workqueue(bfad->im->drv_workq); 901 } 902 903 void 904 bfad_fcs_stop(struct bfad_s *bfad) 905 { 906 unsigned long flags; 907 908 spin_lock_irqsave(&bfad->bfad_lock, flags); 909 init_completion(&bfad->comp); 910 bfad->pport.flags |= BFAD_PORT_DELETE; 911 bfa_fcs_exit(&bfad->bfa_fcs); 912 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 913 wait_for_completion(&bfad->comp); 914 915 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP); 916 } 917 918 void 919 bfad_stop(struct bfad_s *bfad) 920 { 921 unsigned long flags; 922 923 spin_lock_irqsave(&bfad->bfad_lock, flags); 924 init_completion(&bfad->comp); 925 bfa_iocfc_stop(&bfad->bfa); 926 bfad->bfad_flags &= ~BFAD_HAL_START_DONE; 927 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 928 wait_for_completion(&bfad->comp); 929 930 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP); 931 } 932 933 bfa_status_t 934 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role) 935 { 936 int rc = BFA_STATUS_OK; 937 938 /* Allocate scsi_host for the physical port */ 939 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && 940 (role & BFA_LPORT_ROLE_FCP_IM)) { 941 if (bfad->pport.im_port == NULL) { 942 rc = BFA_STATUS_FAILED; 943 goto out; 944 } 945 946 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port, 947 &bfad->pcidev->dev); 948 if (rc != BFA_STATUS_OK) 949 goto out; 950 951 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM; 952 } 953 954 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE; 955 956 out: 957 return rc; 958 } 959 960 void 961 bfad_uncfg_pport(struct bfad_s *bfad) 962 { 963 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && 964 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) { 965 bfad_im_scsi_host_free(bfad, bfad->pport.im_port); 966 bfad_im_port_clean(bfad->pport.im_port); 967 kfree(bfad->pport.im_port); 968 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM; 969 } 970 971 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; 972 } 973 974 bfa_status_t 975 bfad_start_ops(struct bfad_s *bfad) { 976 977 int retval; 978 unsigned long flags; 979 struct bfad_vport_s *vport, *vport_new; 980 struct bfa_fcs_driver_info_s driver_info; 981 982 /* Limit min/max. xfer size to [64k-32MB] */ 983 if (max_xfer_size < BFAD_MIN_SECTORS >> 1) 984 max_xfer_size = BFAD_MIN_SECTORS >> 1; 985 if (max_xfer_size > BFAD_MAX_SECTORS >> 1) 986 max_xfer_size = BFAD_MAX_SECTORS >> 1; 987 988 /* Fill the driver_info info to fcs*/ 989 memset(&driver_info, 0, sizeof(driver_info)); 990 strncpy(driver_info.version, BFAD_DRIVER_VERSION, 991 sizeof(driver_info.version) - 1); 992 if (host_name) 993 strncpy(driver_info.host_machine_name, host_name, 994 sizeof(driver_info.host_machine_name) - 1); 995 if (os_name) 996 strncpy(driver_info.host_os_name, os_name, 997 sizeof(driver_info.host_os_name) - 1); 998 if (os_patch) 999 strncpy(driver_info.host_os_patch, os_patch, 1000 sizeof(driver_info.host_os_patch) - 1); 1001 1002 strncpy(driver_info.os_device_name, bfad->pci_name, 1003 sizeof(driver_info.os_device_name) - 1); 1004 1005 /* FCS driver info init */ 1006 spin_lock_irqsave(&bfad->bfad_lock, flags); 1007 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); 1008 1009 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) 1010 bfa_fcs_update_cfg(&bfad->bfa_fcs); 1011 else 1012 bfa_fcs_init(&bfad->bfa_fcs); 1013 1014 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1015 1016 if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) { 1017 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM); 1018 if (retval != BFA_STATUS_OK) 1019 return BFA_STATUS_FAILED; 1020 } 1021 1022 /* Setup fc host fixed attribute if the lk supports */ 1023 bfad_fc_host_init(bfad->pport.im_port); 1024 1025 /* BFAD level FC4 IM specific resource allocation */ 1026 retval = bfad_im_probe(bfad); 1027 if (retval != BFA_STATUS_OK) { 1028 printk(KERN_WARNING "bfad_im_probe failed\n"); 1029 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing)) 1030 bfa_sm_set_state(bfad, bfad_sm_failed); 1031 return BFA_STATUS_FAILED; 1032 } else 1033 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE; 1034 1035 bfad_drv_start(bfad); 1036 1037 /* Complete pbc vport create */ 1038 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list, 1039 list_entry) { 1040 struct fc_vport_identifiers vid; 1041 struct fc_vport *fc_vport; 1042 char pwwn_buf[BFA_STRING_32]; 1043 1044 memset(&vid, 0, sizeof(vid)); 1045 vid.roles = FC_PORT_ROLE_FCP_INITIATOR; 1046 vid.vport_type = FC_PORTTYPE_NPIV; 1047 vid.disable = false; 1048 vid.node_name = wwn_to_u64((u8 *) 1049 (&((vport->fcs_vport).lport.port_cfg.nwwn))); 1050 vid.port_name = wwn_to_u64((u8 *) 1051 (&((vport->fcs_vport).lport.port_cfg.pwwn))); 1052 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid); 1053 if (!fc_vport) { 1054 wwn2str(pwwn_buf, vid.port_name); 1055 printk(KERN_WARNING "bfad%d: failed to create pbc vport" 1056 " %s\n", bfad->inst_no, pwwn_buf); 1057 } 1058 list_del(&vport->list_entry); 1059 kfree(vport); 1060 } 1061 1062 /* 1063 * If bfa_linkup_delay is set to -1 default; try to retrive the 1064 * value using the bfad_get_linkup_delay(); else use the 1065 * passed in module param value as the bfa_linkup_delay. 1066 */ 1067 if (bfa_linkup_delay < 0) { 1068 bfa_linkup_delay = bfad_get_linkup_delay(bfad); 1069 bfad_rport_online_wait(bfad); 1070 bfa_linkup_delay = -1; 1071 } else 1072 bfad_rport_online_wait(bfad); 1073 1074 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n"); 1075 1076 return BFA_STATUS_OK; 1077 } 1078 1079 int 1080 bfad_worker(void *ptr) 1081 { 1082 struct bfad_s *bfad = ptr; 1083 unsigned long flags; 1084 1085 if (kthread_should_stop()) 1086 return 0; 1087 1088 /* Send event BFAD_E_INIT_SUCCESS */ 1089 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); 1090 1091 spin_lock_irqsave(&bfad->bfad_lock, flags); 1092 bfad->bfad_tsk = NULL; 1093 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1094 1095 return 0; 1096 } 1097 1098 /* 1099 * BFA driver interrupt functions 1100 */ 1101 irqreturn_t 1102 bfad_intx(int irq, void *dev_id) 1103 { 1104 struct bfad_s *bfad = dev_id; 1105 struct list_head doneq; 1106 unsigned long flags; 1107 bfa_boolean_t rc; 1108 1109 spin_lock_irqsave(&bfad->bfad_lock, flags); 1110 rc = bfa_intx(&bfad->bfa); 1111 if (!rc) { 1112 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1113 return IRQ_NONE; 1114 } 1115 1116 bfa_comp_deq(&bfad->bfa, &doneq); 1117 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1118 1119 if (!list_empty(&doneq)) { 1120 bfa_comp_process(&bfad->bfa, &doneq); 1121 1122 spin_lock_irqsave(&bfad->bfad_lock, flags); 1123 bfa_comp_free(&bfad->bfa, &doneq); 1124 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1125 } 1126 1127 return IRQ_HANDLED; 1128 1129 } 1130 1131 static irqreturn_t 1132 bfad_msix(int irq, void *dev_id) 1133 { 1134 struct bfad_msix_s *vec = dev_id; 1135 struct bfad_s *bfad = vec->bfad; 1136 struct list_head doneq; 1137 unsigned long flags; 1138 1139 spin_lock_irqsave(&bfad->bfad_lock, flags); 1140 1141 bfa_msix(&bfad->bfa, vec->msix.entry); 1142 bfa_comp_deq(&bfad->bfa, &doneq); 1143 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1144 1145 if (!list_empty(&doneq)) { 1146 bfa_comp_process(&bfad->bfa, &doneq); 1147 1148 spin_lock_irqsave(&bfad->bfad_lock, flags); 1149 bfa_comp_free(&bfad->bfa, &doneq); 1150 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1151 } 1152 1153 return IRQ_HANDLED; 1154 } 1155 1156 /* 1157 * Initialize the MSIX entry table. 1158 */ 1159 static void 1160 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries, 1161 int mask, int max_bit) 1162 { 1163 int i; 1164 int match = 0x00000001; 1165 1166 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) { 1167 if (mask & match) { 1168 bfad->msix_tab[bfad->nvec].msix.entry = i; 1169 bfad->msix_tab[bfad->nvec].bfad = bfad; 1170 msix_entries[bfad->nvec].entry = i; 1171 bfad->nvec++; 1172 } 1173 1174 match <<= 1; 1175 } 1176 1177 } 1178 1179 int 1180 bfad_install_msix_handler(struct bfad_s *bfad) 1181 { 1182 int i, error = 0; 1183 1184 for (i = 0; i < bfad->nvec; i++) { 1185 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s", 1186 bfad->pci_name, 1187 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ? 1188 msix_name_cb[i] : msix_name_ct[i])); 1189 1190 error = request_irq(bfad->msix_tab[i].msix.vector, 1191 (irq_handler_t) bfad_msix, 0, 1192 bfad->msix_tab[i].name, &bfad->msix_tab[i]); 1193 bfa_trc(bfad, i); 1194 bfa_trc(bfad, bfad->msix_tab[i].msix.vector); 1195 if (error) { 1196 int j; 1197 1198 for (j = 0; j < i; j++) 1199 free_irq(bfad->msix_tab[j].msix.vector, 1200 &bfad->msix_tab[j]); 1201 1202 bfad->bfad_flags &= ~BFAD_MSIX_ON; 1203 pci_disable_msix(bfad->pcidev); 1204 1205 return 1; 1206 } 1207 } 1208 1209 return 0; 1210 } 1211 1212 /* 1213 * Setup MSIX based interrupt. 1214 */ 1215 int 1216 bfad_setup_intr(struct bfad_s *bfad) 1217 { 1218 int error; 1219 u32 mask = 0, i, num_bit = 0, max_bit = 0; 1220 struct msix_entry msix_entries[MAX_MSIX_ENTRY]; 1221 struct pci_dev *pdev = bfad->pcidev; 1222 u16 reg; 1223 1224 /* Call BFA to get the msix map for this PCI function. */ 1225 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); 1226 1227 /* Set up the msix entry table */ 1228 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); 1229 1230 if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) || 1231 (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) { 1232 1233 error = pci_enable_msix_exact(bfad->pcidev, 1234 msix_entries, bfad->nvec); 1235 /* In CT1 & CT2, try to allocate just one vector */ 1236 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) { 1237 printk(KERN_WARNING "bfa %s: trying one msix " 1238 "vector failed to allocate %d[%d]\n", 1239 bfad->pci_name, bfad->nvec, error); 1240 bfad->nvec = 1; 1241 error = pci_enable_msix_exact(bfad->pcidev, 1242 msix_entries, 1); 1243 } 1244 1245 if (error) { 1246 printk(KERN_WARNING "bfad%d: " 1247 "pci_enable_msix_exact failed (%d), " 1248 "use line based.\n", 1249 bfad->inst_no, error); 1250 goto line_based; 1251 } 1252 1253 /* Disable INTX in MSI-X mode */ 1254 pci_read_config_word(pdev, PCI_COMMAND, ®); 1255 1256 if (!(reg & PCI_COMMAND_INTX_DISABLE)) 1257 pci_write_config_word(pdev, PCI_COMMAND, 1258 reg | PCI_COMMAND_INTX_DISABLE); 1259 1260 /* Save the vectors */ 1261 for (i = 0; i < bfad->nvec; i++) { 1262 bfa_trc(bfad, msix_entries[i].vector); 1263 bfad->msix_tab[i].msix.vector = msix_entries[i].vector; 1264 } 1265 1266 bfa_msix_init(&bfad->bfa, bfad->nvec); 1267 1268 bfad->bfad_flags |= BFAD_MSIX_ON; 1269 1270 return 0; 1271 } 1272 1273 line_based: 1274 error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx, 1275 BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad); 1276 if (error) 1277 return error; 1278 1279 bfad->bfad_flags |= BFAD_INTX_ON; 1280 1281 return 0; 1282 } 1283 1284 void 1285 bfad_remove_intr(struct bfad_s *bfad) 1286 { 1287 int i; 1288 1289 if (bfad->bfad_flags & BFAD_MSIX_ON) { 1290 for (i = 0; i < bfad->nvec; i++) 1291 free_irq(bfad->msix_tab[i].msix.vector, 1292 &bfad->msix_tab[i]); 1293 1294 pci_disable_msix(bfad->pcidev); 1295 bfad->bfad_flags &= ~BFAD_MSIX_ON; 1296 } else if (bfad->bfad_flags & BFAD_INTX_ON) { 1297 free_irq(bfad->pcidev->irq, bfad); 1298 } 1299 } 1300 1301 /* 1302 * PCI probe entry. 1303 */ 1304 int 1305 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) 1306 { 1307 struct bfad_s *bfad; 1308 int error = -ENODEV, retval, i; 1309 1310 /* For single port cards - only claim function 0 */ 1311 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) && 1312 (PCI_FUNC(pdev->devfn) != 0)) 1313 return -ENODEV; 1314 1315 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); 1316 if (!bfad) { 1317 error = -ENOMEM; 1318 goto out; 1319 } 1320 1321 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL); 1322 if (!bfad->trcmod) { 1323 printk(KERN_WARNING "Error alloc trace buffer!\n"); 1324 error = -ENOMEM; 1325 goto out_alloc_trace_failure; 1326 } 1327 1328 /* TRACE INIT */ 1329 bfa_trc_init(bfad->trcmod); 1330 bfa_trc(bfad, bfad_inst); 1331 1332 /* AEN INIT */ 1333 INIT_LIST_HEAD(&bfad->free_aen_q); 1334 INIT_LIST_HEAD(&bfad->active_aen_q); 1335 for (i = 0; i < BFA_AEN_MAX_ENTRY; i++) 1336 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q); 1337 1338 if (!(bfad_load_fwimg(pdev))) { 1339 kfree(bfad->trcmod); 1340 goto out_alloc_trace_failure; 1341 } 1342 1343 retval = bfad_pci_init(pdev, bfad); 1344 if (retval) { 1345 printk(KERN_WARNING "bfad_pci_init failure!\n"); 1346 error = retval; 1347 goto out_pci_init_failure; 1348 } 1349 1350 mutex_lock(&bfad_mutex); 1351 bfad->inst_no = bfad_inst++; 1352 list_add_tail(&bfad->list_entry, &bfad_list); 1353 mutex_unlock(&bfad_mutex); 1354 1355 /* Initializing the state machine: State set to uninit */ 1356 bfa_sm_set_state(bfad, bfad_sm_uninit); 1357 1358 spin_lock_init(&bfad->bfad_lock); 1359 spin_lock_init(&bfad->bfad_aen_spinlock); 1360 1361 pci_set_drvdata(pdev, bfad); 1362 1363 bfad->ref_count = 0; 1364 bfad->pport.bfad = bfad; 1365 INIT_LIST_HEAD(&bfad->pbc_vport_list); 1366 INIT_LIST_HEAD(&bfad->vport_list); 1367 1368 /* Setup the debugfs node for this bfad */ 1369 if (bfa_debugfs_enable) 1370 bfad_debugfs_init(&bfad->pport); 1371 1372 retval = bfad_drv_init(bfad); 1373 if (retval != BFA_STATUS_OK) 1374 goto out_drv_init_failure; 1375 1376 bfa_sm_send_event(bfad, BFAD_E_CREATE); 1377 1378 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit)) 1379 goto out_bfad_sm_failure; 1380 1381 return 0; 1382 1383 out_bfad_sm_failure: 1384 bfad_hal_mem_release(bfad); 1385 out_drv_init_failure: 1386 /* Remove the debugfs node for this bfad */ 1387 kfree(bfad->regdata); 1388 bfad_debugfs_exit(&bfad->pport); 1389 mutex_lock(&bfad_mutex); 1390 bfad_inst--; 1391 list_del(&bfad->list_entry); 1392 mutex_unlock(&bfad_mutex); 1393 bfad_pci_uninit(pdev, bfad); 1394 out_pci_init_failure: 1395 kfree(bfad->trcmod); 1396 out_alloc_trace_failure: 1397 kfree(bfad); 1398 out: 1399 return error; 1400 } 1401 1402 /* 1403 * PCI remove entry. 1404 */ 1405 void 1406 bfad_pci_remove(struct pci_dev *pdev) 1407 { 1408 struct bfad_s *bfad = pci_get_drvdata(pdev); 1409 unsigned long flags; 1410 1411 bfa_trc(bfad, bfad->inst_no); 1412 1413 spin_lock_irqsave(&bfad->bfad_lock, flags); 1414 if (bfad->bfad_tsk != NULL) { 1415 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1416 kthread_stop(bfad->bfad_tsk); 1417 } else { 1418 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1419 } 1420 1421 /* Send Event BFAD_E_STOP */ 1422 bfa_sm_send_event(bfad, BFAD_E_STOP); 1423 1424 /* Driver detach and dealloc mem */ 1425 spin_lock_irqsave(&bfad->bfad_lock, flags); 1426 bfa_detach(&bfad->bfa); 1427 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1428 bfad_hal_mem_release(bfad); 1429 1430 /* Remove the debugfs node for this bfad */ 1431 kfree(bfad->regdata); 1432 bfad_debugfs_exit(&bfad->pport); 1433 1434 /* Cleaning the BFAD instance */ 1435 mutex_lock(&bfad_mutex); 1436 bfad_inst--; 1437 list_del(&bfad->list_entry); 1438 mutex_unlock(&bfad_mutex); 1439 bfad_pci_uninit(pdev, bfad); 1440 1441 kfree(bfad->trcmod); 1442 kfree(bfad); 1443 } 1444 1445 /* 1446 * PCI Error Recovery entry, error detected. 1447 */ 1448 static pci_ers_result_t 1449 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 1450 { 1451 struct bfad_s *bfad = pci_get_drvdata(pdev); 1452 unsigned long flags; 1453 pci_ers_result_t ret = PCI_ERS_RESULT_NONE; 1454 1455 dev_printk(KERN_ERR, &pdev->dev, 1456 "error detected state: %d - flags: 0x%x\n", 1457 state, bfad->bfad_flags); 1458 1459 switch (state) { 1460 case pci_channel_io_normal: /* non-fatal error */ 1461 spin_lock_irqsave(&bfad->bfad_lock, flags); 1462 bfad->bfad_flags &= ~BFAD_EEH_BUSY; 1463 /* Suspend/fail all bfa operations */ 1464 bfa_ioc_suspend(&bfad->bfa.ioc); 1465 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1466 del_timer_sync(&bfad->hal_tmo); 1467 ret = PCI_ERS_RESULT_CAN_RECOVER; 1468 break; 1469 case pci_channel_io_frozen: /* fatal error */ 1470 init_completion(&bfad->comp); 1471 spin_lock_irqsave(&bfad->bfad_lock, flags); 1472 bfad->bfad_flags |= BFAD_EEH_BUSY; 1473 /* Suspend/fail all bfa operations */ 1474 bfa_ioc_suspend(&bfad->bfa.ioc); 1475 bfa_fcs_stop(&bfad->bfa_fcs); 1476 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1477 wait_for_completion(&bfad->comp); 1478 1479 bfad_remove_intr(bfad); 1480 del_timer_sync(&bfad->hal_tmo); 1481 pci_disable_device(pdev); 1482 ret = PCI_ERS_RESULT_NEED_RESET; 1483 break; 1484 case pci_channel_io_perm_failure: /* PCI Card is DEAD */ 1485 spin_lock_irqsave(&bfad->bfad_lock, flags); 1486 bfad->bfad_flags |= BFAD_EEH_BUSY | 1487 BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE; 1488 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1489 1490 /* If the error_detected handler is called with the reason 1491 * pci_channel_io_perm_failure - it will subsequently call 1492 * pci_remove() entry point to remove the pci device from the 1493 * system - So defer the cleanup to pci_remove(); cleaning up 1494 * here causes inconsistent state during pci_remove(). 1495 */ 1496 ret = PCI_ERS_RESULT_DISCONNECT; 1497 break; 1498 default: 1499 WARN_ON(1); 1500 } 1501 1502 return ret; 1503 } 1504 1505 int 1506 restart_bfa(struct bfad_s *bfad) 1507 { 1508 unsigned long flags; 1509 struct pci_dev *pdev = bfad->pcidev; 1510 1511 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, 1512 &bfad->meminfo, &bfad->hal_pcidev); 1513 1514 /* Enable Interrupt and wait bfa_init completion */ 1515 if (bfad_setup_intr(bfad)) { 1516 dev_printk(KERN_WARNING, &pdev->dev, 1517 "%s: bfad_setup_intr failed\n", bfad->pci_name); 1518 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); 1519 return -1; 1520 } 1521 1522 init_completion(&bfad->comp); 1523 spin_lock_irqsave(&bfad->bfad_lock, flags); 1524 bfa_iocfc_init(&bfad->bfa); 1525 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1526 1527 /* Set up interrupt handler for each vectors */ 1528 if ((bfad->bfad_flags & BFAD_MSIX_ON) && 1529 bfad_install_msix_handler(bfad)) 1530 dev_printk(KERN_WARNING, &pdev->dev, 1531 "%s: install_msix failed.\n", bfad->pci_name); 1532 1533 bfad_init_timer(bfad); 1534 wait_for_completion(&bfad->comp); 1535 bfad_drv_start(bfad); 1536 1537 return 0; 1538 } 1539 1540 /* 1541 * PCI Error Recovery entry, re-initialize the chip. 1542 */ 1543 static pci_ers_result_t 1544 bfad_pci_slot_reset(struct pci_dev *pdev) 1545 { 1546 struct bfad_s *bfad = pci_get_drvdata(pdev); 1547 u8 byte; 1548 1549 dev_printk(KERN_ERR, &pdev->dev, 1550 "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags); 1551 1552 if (pci_enable_device(pdev)) { 1553 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable " 1554 "PCI device after reset.\n"); 1555 return PCI_ERS_RESULT_DISCONNECT; 1556 } 1557 1558 pci_restore_state(pdev); 1559 1560 /* 1561 * Read some byte (e.g. DMA max. payload size which can't 1562 * be 0xff any time) to make sure - we did not hit another PCI error 1563 * in the middle of recovery. If we did, then declare permanent failure. 1564 */ 1565 pci_read_config_byte(pdev, 0x68, &byte); 1566 if (byte == 0xff) { 1567 dev_printk(KERN_ERR, &pdev->dev, 1568 "slot_reset failed ... got another PCI error !\n"); 1569 goto out_disable_device; 1570 } 1571 1572 pci_save_state(pdev); 1573 pci_set_master(pdev); 1574 1575 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(64)) != 0) 1576 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(32)) != 0) 1577 goto out_disable_device; 1578 1579 pci_cleanup_aer_uncorrect_error_status(pdev); 1580 1581 if (restart_bfa(bfad) == -1) 1582 goto out_disable_device; 1583 1584 pci_enable_pcie_error_reporting(pdev); 1585 dev_printk(KERN_WARNING, &pdev->dev, 1586 "slot_reset completed flags: 0x%x!\n", bfad->bfad_flags); 1587 1588 return PCI_ERS_RESULT_RECOVERED; 1589 1590 out_disable_device: 1591 pci_disable_device(pdev); 1592 return PCI_ERS_RESULT_DISCONNECT; 1593 } 1594 1595 static pci_ers_result_t 1596 bfad_pci_mmio_enabled(struct pci_dev *pdev) 1597 { 1598 unsigned long flags; 1599 struct bfad_s *bfad = pci_get_drvdata(pdev); 1600 1601 dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n"); 1602 1603 /* Fetch FW diagnostic information */ 1604 bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc); 1605 1606 /* Cancel all pending IOs */ 1607 spin_lock_irqsave(&bfad->bfad_lock, flags); 1608 init_completion(&bfad->comp); 1609 bfa_fcs_stop(&bfad->bfa_fcs); 1610 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1611 wait_for_completion(&bfad->comp); 1612 1613 bfad_remove_intr(bfad); 1614 del_timer_sync(&bfad->hal_tmo); 1615 pci_disable_device(pdev); 1616 1617 return PCI_ERS_RESULT_NEED_RESET; 1618 } 1619 1620 static void 1621 bfad_pci_resume(struct pci_dev *pdev) 1622 { 1623 unsigned long flags; 1624 struct bfad_s *bfad = pci_get_drvdata(pdev); 1625 1626 dev_printk(KERN_WARNING, &pdev->dev, "resume\n"); 1627 1628 /* wait until the link is online */ 1629 bfad_rport_online_wait(bfad); 1630 1631 spin_lock_irqsave(&bfad->bfad_lock, flags); 1632 bfad->bfad_flags &= ~BFAD_EEH_BUSY; 1633 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1634 } 1635 1636 struct pci_device_id bfad_id_table[] = { 1637 { 1638 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1639 .device = BFA_PCI_DEVICE_ID_FC_8G2P, 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_FC_8G1P, 1646 .subvendor = PCI_ANY_ID, 1647 .subdevice = PCI_ANY_ID, 1648 }, 1649 { 1650 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1651 .device = BFA_PCI_DEVICE_ID_CT, 1652 .subvendor = PCI_ANY_ID, 1653 .subdevice = PCI_ANY_ID, 1654 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1655 .class_mask = ~0, 1656 }, 1657 { 1658 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1659 .device = BFA_PCI_DEVICE_ID_CT_FC, 1660 .subvendor = PCI_ANY_ID, 1661 .subdevice = PCI_ANY_ID, 1662 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1663 .class_mask = ~0, 1664 }, 1665 { 1666 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1667 .device = BFA_PCI_DEVICE_ID_CT2, 1668 .subvendor = PCI_ANY_ID, 1669 .subdevice = PCI_ANY_ID, 1670 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1671 .class_mask = ~0, 1672 }, 1673 1674 { 1675 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1676 .device = BFA_PCI_DEVICE_ID_CT2_QUAD, 1677 .subvendor = PCI_ANY_ID, 1678 .subdevice = PCI_ANY_ID, 1679 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1680 .class_mask = ~0, 1681 }, 1682 {0, 0}, 1683 }; 1684 1685 MODULE_DEVICE_TABLE(pci, bfad_id_table); 1686 1687 /* 1688 * PCI error recovery handlers. 1689 */ 1690 static struct pci_error_handlers bfad_err_handler = { 1691 .error_detected = bfad_pci_error_detected, 1692 .slot_reset = bfad_pci_slot_reset, 1693 .mmio_enabled = bfad_pci_mmio_enabled, 1694 .resume = bfad_pci_resume, 1695 }; 1696 1697 static struct pci_driver bfad_pci_driver = { 1698 .name = BFAD_DRIVER_NAME, 1699 .id_table = bfad_id_table, 1700 .probe = bfad_pci_probe, 1701 .remove = bfad_pci_remove, 1702 .err_handler = &bfad_err_handler, 1703 }; 1704 1705 /* 1706 * Driver module init. 1707 */ 1708 static int __init 1709 bfad_init(void) 1710 { 1711 int error = 0; 1712 1713 printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n", 1714 BFAD_DRIVER_VERSION); 1715 1716 if (num_sgpgs > 0) 1717 num_sgpgs_parm = num_sgpgs; 1718 1719 error = bfad_im_module_init(); 1720 if (error) { 1721 error = -ENOMEM; 1722 printk(KERN_WARNING "bfad_im_module_init failure\n"); 1723 goto ext; 1724 } 1725 1726 if (strcmp(FCPI_NAME, " fcpim") == 0) 1727 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM; 1728 1729 bfa_auto_recover = ioc_auto_recover; 1730 bfa_fcs_rport_set_del_timeout(rport_del_timeout); 1731 bfa_fcs_rport_set_max_logins(max_rport_logins); 1732 1733 error = pci_register_driver(&bfad_pci_driver); 1734 if (error) { 1735 printk(KERN_WARNING "pci_register_driver failure\n"); 1736 goto ext; 1737 } 1738 1739 return 0; 1740 1741 ext: 1742 bfad_im_module_exit(); 1743 return error; 1744 } 1745 1746 /* 1747 * Driver module exit. 1748 */ 1749 static void __exit 1750 bfad_exit(void) 1751 { 1752 pci_unregister_driver(&bfad_pci_driver); 1753 bfad_im_module_exit(); 1754 bfad_free_fwimg(); 1755 } 1756 1757 /* Firmware handling */ 1758 static void 1759 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, 1760 u32 *bfi_image_size, char *fw_name) 1761 { 1762 const struct firmware *fw; 1763 1764 if (request_firmware(&fw, fw_name, &pdev->dev)) { 1765 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); 1766 *bfi_image = NULL; 1767 goto out; 1768 } 1769 1770 *bfi_image = vmalloc(fw->size); 1771 if (NULL == *bfi_image) { 1772 printk(KERN_ALERT "Fail to allocate buffer for fw image " 1773 "size=%x!\n", (u32) fw->size); 1774 goto out; 1775 } 1776 1777 memcpy(*bfi_image, fw->data, fw->size); 1778 *bfi_image_size = fw->size/sizeof(u32); 1779 out: 1780 release_firmware(fw); 1781 } 1782 1783 static u32 * 1784 bfad_load_fwimg(struct pci_dev *pdev) 1785 { 1786 if (bfa_asic_id_ct2(pdev->device)) { 1787 if (bfi_image_ct2_size == 0) 1788 bfad_read_firmware(pdev, &bfi_image_ct2, 1789 &bfi_image_ct2_size, BFAD_FW_FILE_CT2); 1790 return bfi_image_ct2; 1791 } else if (bfa_asic_id_ct(pdev->device)) { 1792 if (bfi_image_ct_size == 0) 1793 bfad_read_firmware(pdev, &bfi_image_ct, 1794 &bfi_image_ct_size, BFAD_FW_FILE_CT); 1795 return bfi_image_ct; 1796 } else if (bfa_asic_id_cb(pdev->device)) { 1797 if (bfi_image_cb_size == 0) 1798 bfad_read_firmware(pdev, &bfi_image_cb, 1799 &bfi_image_cb_size, BFAD_FW_FILE_CB); 1800 return bfi_image_cb; 1801 } 1802 1803 return NULL; 1804 } 1805 1806 static void 1807 bfad_free_fwimg(void) 1808 { 1809 if (bfi_image_ct2_size && bfi_image_ct2) 1810 vfree(bfi_image_ct2); 1811 if (bfi_image_ct_size && bfi_image_ct) 1812 vfree(bfi_image_ct); 1813 if (bfi_image_cb_size && bfi_image_cb) 1814 vfree(bfi_image_cb); 1815 } 1816 1817 module_init(bfad_init); 1818 module_exit(bfad_exit); 1819 MODULE_LICENSE("GPL"); 1820 MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME); 1821 MODULE_AUTHOR("Brocade Communications Systems, Inc."); 1822 MODULE_VERSION(BFAD_DRIVER_VERSION); 1823