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-3.1.0.0.bin" 67 #define BFAD_FW_FILE_CT "ctfw-3.1.0.0.bin" 68 #define BFAD_FW_FILE_CT2 "ct2fw-3.1.0.0.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; 207 208 bfa_trc(bfad, event); 209 210 switch (event) { 211 case BFAD_E_INIT: 212 bfa_sm_set_state(bfad, bfad_sm_initializing); 213 214 init_completion(&bfad->comp); 215 216 /* Enable Interrupt and wait bfa_init completion */ 217 if (bfad_setup_intr(bfad)) { 218 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n", 219 bfad->inst_no); 220 bfa_sm_send_event(bfad, BFAD_E_INTR_INIT_FAILED); 221 break; 222 } 223 224 spin_lock_irqsave(&bfad->bfad_lock, flags); 225 bfa_iocfc_init(&bfad->bfa); 226 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 227 228 /* Set up interrupt handler for each vectors */ 229 if ((bfad->bfad_flags & BFAD_MSIX_ON) && 230 bfad_install_msix_handler(bfad)) { 231 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n", 232 __func__, bfad->inst_no); 233 } 234 235 bfad_init_timer(bfad); 236 237 wait_for_completion(&bfad->comp); 238 239 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { 240 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); 241 } else { 242 printk(KERN_WARNING 243 "bfa %s: bfa init failed\n", 244 bfad->pci_name); 245 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL; 246 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); 247 } 248 249 break; 250 251 case BFAD_E_KTHREAD_CREATE_FAILED: 252 bfa_sm_set_state(bfad, bfad_sm_uninit); 253 break; 254 255 default: 256 bfa_sm_fault(bfad, event); 257 } 258 } 259 260 static void 261 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event) 262 { 263 int retval; 264 unsigned long flags; 265 266 bfa_trc(bfad, event); 267 268 switch (event) { 269 case BFAD_E_INIT_SUCCESS: 270 kthread_stop(bfad->bfad_tsk); 271 spin_lock_irqsave(&bfad->bfad_lock, flags); 272 bfad->bfad_tsk = NULL; 273 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 274 275 retval = bfad_start_ops(bfad); 276 if (retval != BFA_STATUS_OK) 277 break; 278 bfa_sm_set_state(bfad, bfad_sm_operational); 279 break; 280 281 case BFAD_E_INTR_INIT_FAILED: 282 bfa_sm_set_state(bfad, bfad_sm_uninit); 283 kthread_stop(bfad->bfad_tsk); 284 spin_lock_irqsave(&bfad->bfad_lock, flags); 285 bfad->bfad_tsk = NULL; 286 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 287 break; 288 289 case BFAD_E_INIT_FAILED: 290 bfa_sm_set_state(bfad, bfad_sm_failed); 291 break; 292 default: 293 bfa_sm_fault(bfad, event); 294 } 295 } 296 297 static void 298 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event) 299 { 300 int retval; 301 302 bfa_trc(bfad, event); 303 304 switch (event) { 305 case BFAD_E_INIT_SUCCESS: 306 retval = bfad_start_ops(bfad); 307 if (retval != BFA_STATUS_OK) 308 break; 309 bfa_sm_set_state(bfad, bfad_sm_operational); 310 break; 311 312 case BFAD_E_STOP: 313 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) 314 bfad_uncfg_pport(bfad); 315 if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE) { 316 bfad_im_probe_undo(bfad); 317 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; 318 } 319 bfad_stop(bfad); 320 break; 321 322 case BFAD_E_EXIT_COMP: 323 bfa_sm_set_state(bfad, bfad_sm_uninit); 324 bfad_remove_intr(bfad); 325 del_timer_sync(&bfad->hal_tmo); 326 break; 327 328 default: 329 bfa_sm_fault(bfad, event); 330 } 331 } 332 333 static void 334 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event) 335 { 336 bfa_trc(bfad, event); 337 338 switch (event) { 339 case BFAD_E_STOP: 340 bfa_sm_set_state(bfad, bfad_sm_fcs_exit); 341 bfad_fcs_stop(bfad); 342 break; 343 344 default: 345 bfa_sm_fault(bfad, event); 346 } 347 } 348 349 static void 350 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event) 351 { 352 bfa_trc(bfad, event); 353 354 switch (event) { 355 case BFAD_E_FCS_EXIT_COMP: 356 bfa_sm_set_state(bfad, bfad_sm_stopping); 357 bfad_stop(bfad); 358 break; 359 360 default: 361 bfa_sm_fault(bfad, event); 362 } 363 } 364 365 static void 366 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event) 367 { 368 bfa_trc(bfad, event); 369 370 switch (event) { 371 case BFAD_E_EXIT_COMP: 372 bfa_sm_set_state(bfad, bfad_sm_uninit); 373 bfad_remove_intr(bfad); 374 del_timer_sync(&bfad->hal_tmo); 375 bfad_im_probe_undo(bfad); 376 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; 377 bfad_uncfg_pport(bfad); 378 break; 379 380 default: 381 bfa_sm_fault(bfad, event); 382 break; 383 } 384 } 385 386 /* 387 * BFA callbacks 388 */ 389 void 390 bfad_hcb_comp(void *arg, bfa_status_t status) 391 { 392 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg; 393 394 fcomp->status = status; 395 complete(&fcomp->comp); 396 } 397 398 /* 399 * bfa_init callback 400 */ 401 void 402 bfa_cb_init(void *drv, bfa_status_t init_status) 403 { 404 struct bfad_s *bfad = drv; 405 406 if (init_status == BFA_STATUS_OK) { 407 bfad->bfad_flags |= BFAD_HAL_INIT_DONE; 408 409 /* 410 * If BFAD_HAL_INIT_FAIL flag is set: 411 * Wake up the kernel thread to start 412 * the bfad operations after HAL init done 413 */ 414 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) { 415 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL; 416 wake_up_process(bfad->bfad_tsk); 417 } 418 } 419 420 complete(&bfad->comp); 421 } 422 423 /* 424 * BFA_FCS callbacks 425 */ 426 struct bfad_port_s * 427 bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port, 428 enum bfa_lport_role roles, struct bfad_vf_s *vf_drv, 429 struct bfad_vport_s *vp_drv) 430 { 431 bfa_status_t rc; 432 struct bfad_port_s *port_drv; 433 434 if (!vp_drv && !vf_drv) { 435 port_drv = &bfad->pport; 436 port_drv->pvb_type = BFAD_PORT_PHYS_BASE; 437 } else if (!vp_drv && vf_drv) { 438 port_drv = &vf_drv->base_port; 439 port_drv->pvb_type = BFAD_PORT_VF_BASE; 440 } else if (vp_drv && !vf_drv) { 441 port_drv = &vp_drv->drv_port; 442 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT; 443 } else { 444 port_drv = &vp_drv->drv_port; 445 port_drv->pvb_type = BFAD_PORT_VF_VPORT; 446 } 447 448 port_drv->fcs_port = port; 449 port_drv->roles = roles; 450 451 if (roles & BFA_LPORT_ROLE_FCP_IM) { 452 rc = bfad_im_port_new(bfad, port_drv); 453 if (rc != BFA_STATUS_OK) { 454 bfad_im_port_delete(bfad, port_drv); 455 port_drv = NULL; 456 } 457 } 458 459 return port_drv; 460 } 461 462 /* 463 * FCS RPORT alloc callback, after successful PLOGI by FCS 464 */ 465 bfa_status_t 466 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport, 467 struct bfad_rport_s **rport_drv) 468 { 469 bfa_status_t rc = BFA_STATUS_OK; 470 471 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC); 472 if (*rport_drv == NULL) { 473 rc = BFA_STATUS_ENOMEM; 474 goto ext; 475 } 476 477 *rport = &(*rport_drv)->fcs_rport; 478 479 ext: 480 return rc; 481 } 482 483 /* 484 * FCS PBC VPORT Create 485 */ 486 void 487 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport) 488 { 489 490 struct bfa_lport_cfg_s port_cfg = {0}; 491 struct bfad_vport_s *vport; 492 int rc; 493 494 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); 495 if (!vport) { 496 bfa_trc(bfad, 0); 497 return; 498 } 499 500 vport->drv_port.bfad = bfad; 501 port_cfg.roles = BFA_LPORT_ROLE_FCP_IM; 502 port_cfg.pwwn = pbc_vport.vp_pwwn; 503 port_cfg.nwwn = pbc_vport.vp_nwwn; 504 port_cfg.preboot_vp = BFA_TRUE; 505 506 rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0, 507 &port_cfg, vport); 508 509 if (rc != BFA_STATUS_OK) { 510 bfa_trc(bfad, 0); 511 return; 512 } 513 514 list_add_tail(&vport->list_entry, &bfad->pbc_vport_list); 515 } 516 517 void 518 bfad_hal_mem_release(struct bfad_s *bfad) 519 { 520 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; 521 struct bfa_mem_dma_s *dma_info, *dma_elem; 522 struct bfa_mem_kva_s *kva_info, *kva_elem; 523 struct list_head *dm_qe, *km_qe; 524 525 dma_info = &hal_meminfo->dma_info; 526 kva_info = &hal_meminfo->kva_info; 527 528 /* Iterate through the KVA meminfo queue */ 529 list_for_each(km_qe, &kva_info->qe) { 530 kva_elem = (struct bfa_mem_kva_s *) km_qe; 531 vfree(kva_elem->kva); 532 } 533 534 /* Iterate through the DMA meminfo queue */ 535 list_for_each(dm_qe, &dma_info->qe) { 536 dma_elem = (struct bfa_mem_dma_s *) dm_qe; 537 dma_free_coherent(&bfad->pcidev->dev, 538 dma_elem->mem_len, dma_elem->kva, 539 (dma_addr_t) dma_elem->dma); 540 } 541 542 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s)); 543 } 544 545 void 546 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg) 547 { 548 if (num_rports > 0) 549 bfa_cfg->fwcfg.num_rports = num_rports; 550 if (num_ios > 0) 551 bfa_cfg->fwcfg.num_ioim_reqs = num_ios; 552 if (num_tms > 0) 553 bfa_cfg->fwcfg.num_tskim_reqs = num_tms; 554 if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX) 555 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps; 556 if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX) 557 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs; 558 if (reqq_size > 0) 559 bfa_cfg->drvcfg.num_reqq_elems = reqq_size; 560 if (rspq_size > 0) 561 bfa_cfg->drvcfg.num_rspq_elems = rspq_size; 562 if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX) 563 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs; 564 565 /* 566 * populate the hal values back to the driver for sysfs use. 567 * otherwise, the default values will be shown as 0 in sysfs 568 */ 569 num_rports = bfa_cfg->fwcfg.num_rports; 570 num_ios = bfa_cfg->fwcfg.num_ioim_reqs; 571 num_tms = bfa_cfg->fwcfg.num_tskim_reqs; 572 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs; 573 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs; 574 reqq_size = bfa_cfg->drvcfg.num_reqq_elems; 575 rspq_size = bfa_cfg->drvcfg.num_rspq_elems; 576 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs; 577 } 578 579 bfa_status_t 580 bfad_hal_mem_alloc(struct bfad_s *bfad) 581 { 582 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; 583 struct bfa_mem_dma_s *dma_info, *dma_elem; 584 struct bfa_mem_kva_s *kva_info, *kva_elem; 585 struct list_head *dm_qe, *km_qe; 586 bfa_status_t rc = BFA_STATUS_OK; 587 dma_addr_t phys_addr; 588 589 bfa_cfg_get_default(&bfad->ioc_cfg); 590 bfad_update_hal_cfg(&bfad->ioc_cfg); 591 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs; 592 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa); 593 594 dma_info = &hal_meminfo->dma_info; 595 kva_info = &hal_meminfo->kva_info; 596 597 /* Iterate through the KVA meminfo queue */ 598 list_for_each(km_qe, &kva_info->qe) { 599 kva_elem = (struct bfa_mem_kva_s *) km_qe; 600 kva_elem->kva = vmalloc(kva_elem->mem_len); 601 if (kva_elem->kva == NULL) { 602 bfad_hal_mem_release(bfad); 603 rc = BFA_STATUS_ENOMEM; 604 goto ext; 605 } 606 memset(kva_elem->kva, 0, kva_elem->mem_len); 607 } 608 609 /* Iterate through the DMA meminfo queue */ 610 list_for_each(dm_qe, &dma_info->qe) { 611 dma_elem = (struct bfa_mem_dma_s *) dm_qe; 612 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev, 613 dma_elem->mem_len, 614 &phys_addr, GFP_KERNEL); 615 if (dma_elem->kva == NULL) { 616 bfad_hal_mem_release(bfad); 617 rc = BFA_STATUS_ENOMEM; 618 goto ext; 619 } 620 dma_elem->dma = phys_addr; 621 memset(dma_elem->kva, 0, dma_elem->mem_len); 622 } 623 ext: 624 return rc; 625 } 626 627 /* 628 * Create a vport under a vf. 629 */ 630 bfa_status_t 631 bfad_vport_create(struct bfad_s *bfad, u16 vf_id, 632 struct bfa_lport_cfg_s *port_cfg, struct device *dev) 633 { 634 struct bfad_vport_s *vport; 635 int rc = BFA_STATUS_OK; 636 unsigned long flags; 637 struct completion fcomp; 638 639 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); 640 if (!vport) { 641 rc = BFA_STATUS_ENOMEM; 642 goto ext; 643 } 644 645 vport->drv_port.bfad = bfad; 646 spin_lock_irqsave(&bfad->bfad_lock, flags); 647 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id, 648 port_cfg, vport); 649 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 650 651 if (rc != BFA_STATUS_OK) 652 goto ext_free_vport; 653 654 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) { 655 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port, 656 dev); 657 if (rc != BFA_STATUS_OK) 658 goto ext_free_fcs_vport; 659 } 660 661 spin_lock_irqsave(&bfad->bfad_lock, flags); 662 bfa_fcs_vport_start(&vport->fcs_vport); 663 list_add_tail(&vport->list_entry, &bfad->vport_list); 664 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 665 666 return BFA_STATUS_OK; 667 668 ext_free_fcs_vport: 669 spin_lock_irqsave(&bfad->bfad_lock, flags); 670 vport->comp_del = &fcomp; 671 init_completion(vport->comp_del); 672 bfa_fcs_vport_delete(&vport->fcs_vport); 673 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 674 wait_for_completion(vport->comp_del); 675 ext_free_vport: 676 kfree(vport); 677 ext: 678 return rc; 679 } 680 681 void 682 bfad_bfa_tmo(unsigned long data) 683 { 684 struct bfad_s *bfad = (struct bfad_s *) data; 685 unsigned long flags; 686 struct list_head doneq; 687 688 spin_lock_irqsave(&bfad->bfad_lock, flags); 689 690 bfa_timer_beat(&bfad->bfa.timer_mod); 691 692 bfa_comp_deq(&bfad->bfa, &doneq); 693 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 694 695 if (!list_empty(&doneq)) { 696 bfa_comp_process(&bfad->bfa, &doneq); 697 spin_lock_irqsave(&bfad->bfad_lock, flags); 698 bfa_comp_free(&bfad->bfa, &doneq); 699 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 700 } 701 702 mod_timer(&bfad->hal_tmo, 703 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); 704 } 705 706 void 707 bfad_init_timer(struct bfad_s *bfad) 708 { 709 init_timer(&bfad->hal_tmo); 710 bfad->hal_tmo.function = bfad_bfa_tmo; 711 bfad->hal_tmo.data = (unsigned long)bfad; 712 713 mod_timer(&bfad->hal_tmo, 714 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); 715 } 716 717 int 718 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) 719 { 720 int rc = -ENODEV; 721 722 if (pci_enable_device(pdev)) { 723 printk(KERN_ERR "pci_enable_device fail %p\n", pdev); 724 goto out; 725 } 726 727 if (pci_request_regions(pdev, BFAD_DRIVER_NAME)) 728 goto out_disable_device; 729 730 pci_set_master(pdev); 731 732 733 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) || 734 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) { 735 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) || 736 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) { 737 printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev); 738 goto out_release_region; 739 } 740 } 741 742 /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */ 743 pci_enable_pcie_error_reporting(pdev); 744 745 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0)); 746 bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2)); 747 748 if (bfad->pci_bar0_kva == NULL) { 749 printk(KERN_ERR "Fail to map bar0\n"); 750 goto out_release_region; 751 } 752 753 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn); 754 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn); 755 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva; 756 bfad->hal_pcidev.device_id = pdev->device; 757 bfad->hal_pcidev.ssid = pdev->subsystem_device; 758 bfad->pci_name = pci_name(pdev); 759 760 bfad->pci_attr.vendor_id = pdev->vendor; 761 bfad->pci_attr.device_id = pdev->device; 762 bfad->pci_attr.ssid = pdev->subsystem_device; 763 bfad->pci_attr.ssvid = pdev->subsystem_vendor; 764 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); 765 766 bfad->pcidev = pdev; 767 768 /* Adjust PCIe Maximum Read Request Size */ 769 if (pcie_max_read_reqsz > 0) { 770 int pcie_cap_reg; 771 u16 pcie_dev_ctl; 772 u16 mask = 0xffff; 773 774 switch (pcie_max_read_reqsz) { 775 case 128: 776 mask = 0x0; 777 break; 778 case 256: 779 mask = 0x1000; 780 break; 781 case 512: 782 mask = 0x2000; 783 break; 784 case 1024: 785 mask = 0x3000; 786 break; 787 case 2048: 788 mask = 0x4000; 789 break; 790 case 4096: 791 mask = 0x5000; 792 break; 793 default: 794 break; 795 } 796 797 pcie_cap_reg = pci_find_capability(pdev, PCI_CAP_ID_EXP); 798 if (mask != 0xffff && pcie_cap_reg) { 799 pcie_cap_reg += 0x08; 800 pci_read_config_word(pdev, pcie_cap_reg, &pcie_dev_ctl); 801 if ((pcie_dev_ctl & 0x7000) != mask) { 802 printk(KERN_WARNING "BFA[%s]: " 803 "pcie_max_read_request_size is %d, " 804 "reset to %d\n", bfad->pci_name, 805 (1 << ((pcie_dev_ctl & 0x7000) >> 12)) << 7, 806 pcie_max_read_reqsz); 807 808 pcie_dev_ctl &= ~0x7000; 809 pci_write_config_word(pdev, pcie_cap_reg, 810 pcie_dev_ctl | mask); 811 } 812 } 813 } 814 815 pci_save_state(pdev); 816 817 return 0; 818 819 out_release_region: 820 pci_release_regions(pdev); 821 out_disable_device: 822 pci_disable_device(pdev); 823 out: 824 return rc; 825 } 826 827 void 828 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) 829 { 830 pci_iounmap(pdev, bfad->pci_bar0_kva); 831 pci_iounmap(pdev, bfad->pci_bar2_kva); 832 pci_release_regions(pdev); 833 /* Disable PCIE Advanced Error Recovery (AER) */ 834 pci_disable_pcie_error_reporting(pdev); 835 pci_disable_device(pdev); 836 pci_set_drvdata(pdev, NULL); 837 } 838 839 bfa_status_t 840 bfad_drv_init(struct bfad_s *bfad) 841 { 842 bfa_status_t rc; 843 unsigned long flags; 844 845 bfad->cfg_data.rport_del_timeout = rport_del_timeout; 846 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth; 847 bfad->cfg_data.io_max_sge = bfa_io_max_sge; 848 bfad->cfg_data.binding_method = FCP_PWWN_BINDING; 849 850 rc = bfad_hal_mem_alloc(bfad); 851 if (rc != BFA_STATUS_OK) { 852 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", 853 bfad->inst_no); 854 printk(KERN_WARNING 855 "Not enough memory to attach all Brocade HBA ports, %s", 856 "System may need more memory.\n"); 857 goto out_hal_mem_alloc_failure; 858 } 859 860 bfad->bfa.trcmod = bfad->trcmod; 861 bfad->bfa.plog = &bfad->plog_buf; 862 bfa_plog_init(&bfad->plog_buf); 863 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, 864 0, "Driver Attach"); 865 866 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, 867 &bfad->hal_pcidev); 868 869 /* FCS INIT */ 870 spin_lock_irqsave(&bfad->bfad_lock, flags); 871 bfad->bfa_fcs.trcmod = bfad->trcmod; 872 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE); 873 bfad->bfa_fcs.fdmi_enabled = fdmi_enable; 874 bfa_fcs_init(&bfad->bfa_fcs); 875 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 876 877 bfad->bfad_flags |= BFAD_DRV_INIT_DONE; 878 879 /* configure base port */ 880 rc = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM); 881 if (rc != BFA_STATUS_OK) 882 goto out_cfg_pport_fail; 883 884 return BFA_STATUS_OK; 885 886 out_cfg_pport_fail: 887 /* fcs exit - on cfg pport failure */ 888 spin_lock_irqsave(&bfad->bfad_lock, flags); 889 init_completion(&bfad->comp); 890 bfad->pport.flags |= BFAD_PORT_DELETE; 891 bfa_fcs_exit(&bfad->bfa_fcs); 892 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 893 wait_for_completion(&bfad->comp); 894 /* bfa detach - free hal memory */ 895 bfa_detach(&bfad->bfa); 896 bfad_hal_mem_release(bfad); 897 out_hal_mem_alloc_failure: 898 return BFA_STATUS_FAILED; 899 } 900 901 void 902 bfad_drv_uninit(struct bfad_s *bfad) 903 { 904 unsigned long flags; 905 906 spin_lock_irqsave(&bfad->bfad_lock, flags); 907 init_completion(&bfad->comp); 908 bfa_iocfc_stop(&bfad->bfa); 909 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 910 wait_for_completion(&bfad->comp); 911 912 del_timer_sync(&bfad->hal_tmo); 913 bfa_isr_disable(&bfad->bfa); 914 bfa_detach(&bfad->bfa); 915 bfad_remove_intr(bfad); 916 bfad_hal_mem_release(bfad); 917 918 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE; 919 } 920 921 void 922 bfad_drv_start(struct bfad_s *bfad) 923 { 924 unsigned long flags; 925 926 spin_lock_irqsave(&bfad->bfad_lock, flags); 927 bfa_iocfc_start(&bfad->bfa); 928 bfa_fcs_pbc_vport_init(&bfad->bfa_fcs); 929 bfa_fcs_fabric_modstart(&bfad->bfa_fcs); 930 bfad->bfad_flags |= BFAD_HAL_START_DONE; 931 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 932 933 if (bfad->im) 934 flush_workqueue(bfad->im->drv_workq); 935 } 936 937 void 938 bfad_fcs_stop(struct bfad_s *bfad) 939 { 940 unsigned long flags; 941 942 spin_lock_irqsave(&bfad->bfad_lock, flags); 943 init_completion(&bfad->comp); 944 bfad->pport.flags |= BFAD_PORT_DELETE; 945 bfa_fcs_exit(&bfad->bfa_fcs); 946 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 947 wait_for_completion(&bfad->comp); 948 949 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP); 950 } 951 952 void 953 bfad_stop(struct bfad_s *bfad) 954 { 955 unsigned long flags; 956 957 spin_lock_irqsave(&bfad->bfad_lock, flags); 958 init_completion(&bfad->comp); 959 bfa_iocfc_stop(&bfad->bfa); 960 bfad->bfad_flags &= ~BFAD_HAL_START_DONE; 961 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 962 wait_for_completion(&bfad->comp); 963 964 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP); 965 } 966 967 bfa_status_t 968 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role) 969 { 970 int rc = BFA_STATUS_OK; 971 972 /* Allocate scsi_host for the physical port */ 973 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && 974 (role & BFA_LPORT_ROLE_FCP_IM)) { 975 if (bfad->pport.im_port == NULL) { 976 rc = BFA_STATUS_FAILED; 977 goto out; 978 } 979 980 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port, 981 &bfad->pcidev->dev); 982 if (rc != BFA_STATUS_OK) 983 goto out; 984 985 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM; 986 } 987 988 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE; 989 990 out: 991 return rc; 992 } 993 994 void 995 bfad_uncfg_pport(struct bfad_s *bfad) 996 { 997 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && 998 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) { 999 bfad_im_scsi_host_free(bfad, bfad->pport.im_port); 1000 bfad_im_port_clean(bfad->pport.im_port); 1001 kfree(bfad->pport.im_port); 1002 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM; 1003 } 1004 1005 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; 1006 } 1007 1008 bfa_status_t 1009 bfad_start_ops(struct bfad_s *bfad) { 1010 1011 int retval; 1012 unsigned long flags; 1013 struct bfad_vport_s *vport, *vport_new; 1014 struct bfa_fcs_driver_info_s driver_info; 1015 1016 /* Limit min/max. xfer size to [64k-32MB] */ 1017 if (max_xfer_size < BFAD_MIN_SECTORS >> 1) 1018 max_xfer_size = BFAD_MIN_SECTORS >> 1; 1019 if (max_xfer_size > BFAD_MAX_SECTORS >> 1) 1020 max_xfer_size = BFAD_MAX_SECTORS >> 1; 1021 1022 /* Fill the driver_info info to fcs*/ 1023 memset(&driver_info, 0, sizeof(driver_info)); 1024 strncpy(driver_info.version, BFAD_DRIVER_VERSION, 1025 sizeof(driver_info.version) - 1); 1026 if (host_name) 1027 strncpy(driver_info.host_machine_name, host_name, 1028 sizeof(driver_info.host_machine_name) - 1); 1029 if (os_name) 1030 strncpy(driver_info.host_os_name, os_name, 1031 sizeof(driver_info.host_os_name) - 1); 1032 if (os_patch) 1033 strncpy(driver_info.host_os_patch, os_patch, 1034 sizeof(driver_info.host_os_patch) - 1); 1035 1036 strncpy(driver_info.os_device_name, bfad->pci_name, 1037 sizeof(driver_info.os_device_name) - 1); 1038 1039 /* FCS driver info init */ 1040 spin_lock_irqsave(&bfad->bfad_lock, flags); 1041 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); 1042 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1043 1044 /* 1045 * FCS update cfg - reset the pwwn/nwwn of fabric base logical port 1046 * with values learned during bfa_init firmware GETATTR REQ. 1047 */ 1048 bfa_fcs_update_cfg(&bfad->bfa_fcs); 1049 1050 /* Setup fc host fixed attribute if the lk supports */ 1051 bfad_fc_host_init(bfad->pport.im_port); 1052 1053 /* BFAD level FC4 IM specific resource allocation */ 1054 retval = bfad_im_probe(bfad); 1055 if (retval != BFA_STATUS_OK) { 1056 printk(KERN_WARNING "bfad_im_probe failed\n"); 1057 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing)) 1058 bfa_sm_set_state(bfad, bfad_sm_failed); 1059 bfad_im_probe_undo(bfad); 1060 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; 1061 bfad_uncfg_pport(bfad); 1062 bfad_stop(bfad); 1063 return BFA_STATUS_FAILED; 1064 } else 1065 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE; 1066 1067 bfad_drv_start(bfad); 1068 1069 /* Complete pbc vport create */ 1070 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list, 1071 list_entry) { 1072 struct fc_vport_identifiers vid; 1073 struct fc_vport *fc_vport; 1074 char pwwn_buf[BFA_STRING_32]; 1075 1076 memset(&vid, 0, sizeof(vid)); 1077 vid.roles = FC_PORT_ROLE_FCP_INITIATOR; 1078 vid.vport_type = FC_PORTTYPE_NPIV; 1079 vid.disable = false; 1080 vid.node_name = wwn_to_u64((u8 *) 1081 (&((vport->fcs_vport).lport.port_cfg.nwwn))); 1082 vid.port_name = wwn_to_u64((u8 *) 1083 (&((vport->fcs_vport).lport.port_cfg.pwwn))); 1084 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid); 1085 if (!fc_vport) { 1086 wwn2str(pwwn_buf, vid.port_name); 1087 printk(KERN_WARNING "bfad%d: failed to create pbc vport" 1088 " %s\n", bfad->inst_no, pwwn_buf); 1089 } 1090 list_del(&vport->list_entry); 1091 kfree(vport); 1092 } 1093 1094 /* 1095 * If bfa_linkup_delay is set to -1 default; try to retrive the 1096 * value using the bfad_get_linkup_delay(); else use the 1097 * passed in module param value as the bfa_linkup_delay. 1098 */ 1099 if (bfa_linkup_delay < 0) { 1100 bfa_linkup_delay = bfad_get_linkup_delay(bfad); 1101 bfad_rport_online_wait(bfad); 1102 bfa_linkup_delay = -1; 1103 } else 1104 bfad_rport_online_wait(bfad); 1105 1106 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n"); 1107 1108 return BFA_STATUS_OK; 1109 } 1110 1111 int 1112 bfad_worker(void *ptr) 1113 { 1114 struct bfad_s *bfad; 1115 unsigned long flags; 1116 1117 bfad = (struct bfad_s *)ptr; 1118 1119 while (!kthread_should_stop()) { 1120 1121 /* Send event BFAD_E_INIT_SUCCESS */ 1122 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); 1123 1124 spin_lock_irqsave(&bfad->bfad_lock, flags); 1125 bfad->bfad_tsk = NULL; 1126 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1127 1128 break; 1129 } 1130 1131 return 0; 1132 } 1133 1134 /* 1135 * BFA driver interrupt functions 1136 */ 1137 irqreturn_t 1138 bfad_intx(int irq, void *dev_id) 1139 { 1140 struct bfad_s *bfad = dev_id; 1141 struct list_head doneq; 1142 unsigned long flags; 1143 bfa_boolean_t rc; 1144 1145 spin_lock_irqsave(&bfad->bfad_lock, flags); 1146 rc = bfa_intx(&bfad->bfa); 1147 if (!rc) { 1148 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1149 return IRQ_NONE; 1150 } 1151 1152 bfa_comp_deq(&bfad->bfa, &doneq); 1153 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1154 1155 if (!list_empty(&doneq)) { 1156 bfa_comp_process(&bfad->bfa, &doneq); 1157 1158 spin_lock_irqsave(&bfad->bfad_lock, flags); 1159 bfa_comp_free(&bfad->bfa, &doneq); 1160 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1161 } 1162 1163 return IRQ_HANDLED; 1164 1165 } 1166 1167 static irqreturn_t 1168 bfad_msix(int irq, void *dev_id) 1169 { 1170 struct bfad_msix_s *vec = dev_id; 1171 struct bfad_s *bfad = vec->bfad; 1172 struct list_head doneq; 1173 unsigned long flags; 1174 1175 spin_lock_irqsave(&bfad->bfad_lock, flags); 1176 1177 bfa_msix(&bfad->bfa, vec->msix.entry); 1178 bfa_comp_deq(&bfad->bfa, &doneq); 1179 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1180 1181 if (!list_empty(&doneq)) { 1182 bfa_comp_process(&bfad->bfa, &doneq); 1183 1184 spin_lock_irqsave(&bfad->bfad_lock, flags); 1185 bfa_comp_free(&bfad->bfa, &doneq); 1186 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1187 } 1188 1189 return IRQ_HANDLED; 1190 } 1191 1192 /* 1193 * Initialize the MSIX entry table. 1194 */ 1195 static void 1196 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries, 1197 int mask, int max_bit) 1198 { 1199 int i; 1200 int match = 0x00000001; 1201 1202 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) { 1203 if (mask & match) { 1204 bfad->msix_tab[bfad->nvec].msix.entry = i; 1205 bfad->msix_tab[bfad->nvec].bfad = bfad; 1206 msix_entries[bfad->nvec].entry = i; 1207 bfad->nvec++; 1208 } 1209 1210 match <<= 1; 1211 } 1212 1213 } 1214 1215 int 1216 bfad_install_msix_handler(struct bfad_s *bfad) 1217 { 1218 int i, error = 0; 1219 1220 for (i = 0; i < bfad->nvec; i++) { 1221 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s", 1222 bfad->pci_name, 1223 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ? 1224 msix_name_cb[i] : msix_name_ct[i])); 1225 1226 error = request_irq(bfad->msix_tab[i].msix.vector, 1227 (irq_handler_t) bfad_msix, 0, 1228 bfad->msix_tab[i].name, &bfad->msix_tab[i]); 1229 bfa_trc(bfad, i); 1230 bfa_trc(bfad, bfad->msix_tab[i].msix.vector); 1231 if (error) { 1232 int j; 1233 1234 for (j = 0; j < i; j++) 1235 free_irq(bfad->msix_tab[j].msix.vector, 1236 &bfad->msix_tab[j]); 1237 1238 bfad->bfad_flags &= ~BFAD_MSIX_ON; 1239 pci_disable_msix(bfad->pcidev); 1240 1241 return 1; 1242 } 1243 } 1244 1245 return 0; 1246 } 1247 1248 /* 1249 * Setup MSIX based interrupt. 1250 */ 1251 int 1252 bfad_setup_intr(struct bfad_s *bfad) 1253 { 1254 int error = 0; 1255 u32 mask = 0, i, num_bit = 0, max_bit = 0; 1256 struct msix_entry msix_entries[MAX_MSIX_ENTRY]; 1257 struct pci_dev *pdev = bfad->pcidev; 1258 u16 reg; 1259 1260 /* Call BFA to get the msix map for this PCI function. */ 1261 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); 1262 1263 /* Set up the msix entry table */ 1264 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); 1265 1266 if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) || 1267 (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) { 1268 1269 error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec); 1270 if (error) { 1271 /* In CT1 & CT2, try to allocate just one vector */ 1272 if (bfa_asic_id_ctc(pdev->device)) { 1273 printk(KERN_WARNING "bfa %s: trying one msix " 1274 "vector failed to allocate %d[%d]\n", 1275 bfad->pci_name, bfad->nvec, error); 1276 bfad->nvec = 1; 1277 error = pci_enable_msix(bfad->pcidev, 1278 msix_entries, bfad->nvec); 1279 } 1280 1281 /* 1282 * Only error number of vector is available. 1283 * We don't have a mechanism to map multiple 1284 * interrupts into one vector, so even if we 1285 * can try to request less vectors, we don't 1286 * know how to associate interrupt events to 1287 * vectors. Linux doesn't duplicate vectors 1288 * in the MSIX table for this case. 1289 */ 1290 if (error) { 1291 printk(KERN_WARNING "bfad%d: " 1292 "pci_enable_msix failed (%d), " 1293 "use line based.\n", 1294 bfad->inst_no, error); 1295 goto line_based; 1296 } 1297 } 1298 1299 /* Disable INTX in MSI-X mode */ 1300 pci_read_config_word(pdev, PCI_COMMAND, ®); 1301 1302 if (!(reg & PCI_COMMAND_INTX_DISABLE)) 1303 pci_write_config_word(pdev, PCI_COMMAND, 1304 reg | PCI_COMMAND_INTX_DISABLE); 1305 1306 /* Save the vectors */ 1307 for (i = 0; i < bfad->nvec; i++) { 1308 bfa_trc(bfad, msix_entries[i].vector); 1309 bfad->msix_tab[i].msix.vector = msix_entries[i].vector; 1310 } 1311 1312 bfa_msix_init(&bfad->bfa, bfad->nvec); 1313 1314 bfad->bfad_flags |= BFAD_MSIX_ON; 1315 1316 return error; 1317 } 1318 1319 line_based: 1320 error = 0; 1321 if (request_irq 1322 (bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS, 1323 BFAD_DRIVER_NAME, bfad) != 0) { 1324 /* Enable interrupt handler failed */ 1325 return 1; 1326 } 1327 bfad->bfad_flags |= BFAD_INTX_ON; 1328 1329 return error; 1330 } 1331 1332 void 1333 bfad_remove_intr(struct bfad_s *bfad) 1334 { 1335 int i; 1336 1337 if (bfad->bfad_flags & BFAD_MSIX_ON) { 1338 for (i = 0; i < bfad->nvec; i++) 1339 free_irq(bfad->msix_tab[i].msix.vector, 1340 &bfad->msix_tab[i]); 1341 1342 pci_disable_msix(bfad->pcidev); 1343 bfad->bfad_flags &= ~BFAD_MSIX_ON; 1344 } else if (bfad->bfad_flags & BFAD_INTX_ON) { 1345 free_irq(bfad->pcidev->irq, bfad); 1346 } 1347 } 1348 1349 /* 1350 * PCI probe entry. 1351 */ 1352 int 1353 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) 1354 { 1355 struct bfad_s *bfad; 1356 int error = -ENODEV, retval, i; 1357 1358 /* For single port cards - only claim function 0 */ 1359 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) && 1360 (PCI_FUNC(pdev->devfn) != 0)) 1361 return -ENODEV; 1362 1363 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); 1364 if (!bfad) { 1365 error = -ENOMEM; 1366 goto out; 1367 } 1368 1369 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL); 1370 if (!bfad->trcmod) { 1371 printk(KERN_WARNING "Error alloc trace buffer!\n"); 1372 error = -ENOMEM; 1373 goto out_alloc_trace_failure; 1374 } 1375 1376 /* TRACE INIT */ 1377 bfa_trc_init(bfad->trcmod); 1378 bfa_trc(bfad, bfad_inst); 1379 1380 /* AEN INIT */ 1381 INIT_LIST_HEAD(&bfad->free_aen_q); 1382 INIT_LIST_HEAD(&bfad->active_aen_q); 1383 for (i = 0; i < BFA_AEN_MAX_ENTRY; i++) 1384 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q); 1385 1386 if (!(bfad_load_fwimg(pdev))) { 1387 kfree(bfad->trcmod); 1388 goto out_alloc_trace_failure; 1389 } 1390 1391 retval = bfad_pci_init(pdev, bfad); 1392 if (retval) { 1393 printk(KERN_WARNING "bfad_pci_init failure!\n"); 1394 error = retval; 1395 goto out_pci_init_failure; 1396 } 1397 1398 mutex_lock(&bfad_mutex); 1399 bfad->inst_no = bfad_inst++; 1400 list_add_tail(&bfad->list_entry, &bfad_list); 1401 mutex_unlock(&bfad_mutex); 1402 1403 /* Initializing the state machine: State set to uninit */ 1404 bfa_sm_set_state(bfad, bfad_sm_uninit); 1405 1406 spin_lock_init(&bfad->bfad_lock); 1407 spin_lock_init(&bfad->bfad_aen_spinlock); 1408 1409 pci_set_drvdata(pdev, bfad); 1410 1411 bfad->ref_count = 0; 1412 bfad->pport.bfad = bfad; 1413 INIT_LIST_HEAD(&bfad->pbc_vport_list); 1414 INIT_LIST_HEAD(&bfad->vport_list); 1415 1416 /* Setup the debugfs node for this bfad */ 1417 if (bfa_debugfs_enable) 1418 bfad_debugfs_init(&bfad->pport); 1419 1420 retval = bfad_drv_init(bfad); 1421 if (retval != BFA_STATUS_OK) 1422 goto out_drv_init_failure; 1423 1424 bfa_sm_send_event(bfad, BFAD_E_CREATE); 1425 1426 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit)) 1427 goto out_bfad_sm_failure; 1428 1429 return 0; 1430 1431 out_bfad_sm_failure: 1432 bfa_detach(&bfad->bfa); 1433 bfad_hal_mem_release(bfad); 1434 out_drv_init_failure: 1435 /* Remove the debugfs node for this bfad */ 1436 kfree(bfad->regdata); 1437 bfad_debugfs_exit(&bfad->pport); 1438 mutex_lock(&bfad_mutex); 1439 bfad_inst--; 1440 list_del(&bfad->list_entry); 1441 mutex_unlock(&bfad_mutex); 1442 bfad_pci_uninit(pdev, bfad); 1443 out_pci_init_failure: 1444 kfree(bfad->trcmod); 1445 out_alloc_trace_failure: 1446 kfree(bfad); 1447 out: 1448 return error; 1449 } 1450 1451 /* 1452 * PCI remove entry. 1453 */ 1454 void 1455 bfad_pci_remove(struct pci_dev *pdev) 1456 { 1457 struct bfad_s *bfad = pci_get_drvdata(pdev); 1458 unsigned long flags; 1459 1460 bfa_trc(bfad, bfad->inst_no); 1461 1462 spin_lock_irqsave(&bfad->bfad_lock, flags); 1463 if (bfad->bfad_tsk != NULL) { 1464 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1465 kthread_stop(bfad->bfad_tsk); 1466 } else { 1467 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1468 } 1469 1470 /* Send Event BFAD_E_STOP */ 1471 bfa_sm_send_event(bfad, BFAD_E_STOP); 1472 1473 /* Driver detach and dealloc mem */ 1474 spin_lock_irqsave(&bfad->bfad_lock, flags); 1475 bfa_detach(&bfad->bfa); 1476 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1477 bfad_hal_mem_release(bfad); 1478 1479 /* Remove the debugfs node for this bfad */ 1480 kfree(bfad->regdata); 1481 bfad_debugfs_exit(&bfad->pport); 1482 1483 /* Cleaning the BFAD instance */ 1484 mutex_lock(&bfad_mutex); 1485 bfad_inst--; 1486 list_del(&bfad->list_entry); 1487 mutex_unlock(&bfad_mutex); 1488 bfad_pci_uninit(pdev, bfad); 1489 1490 kfree(bfad->trcmod); 1491 kfree(bfad); 1492 } 1493 1494 /* 1495 * PCI Error Recovery entry, error detected. 1496 */ 1497 static pci_ers_result_t 1498 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 1499 { 1500 struct bfad_s *bfad = pci_get_drvdata(pdev); 1501 unsigned long flags; 1502 pci_ers_result_t ret = PCI_ERS_RESULT_NONE; 1503 1504 dev_printk(KERN_ERR, &pdev->dev, 1505 "error detected state: %d - flags: 0x%x\n", 1506 state, bfad->bfad_flags); 1507 1508 switch (state) { 1509 case pci_channel_io_normal: /* non-fatal error */ 1510 spin_lock_irqsave(&bfad->bfad_lock, flags); 1511 bfad->bfad_flags &= ~BFAD_EEH_BUSY; 1512 /* Suspend/fail all bfa operations */ 1513 bfa_ioc_suspend(&bfad->bfa.ioc); 1514 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1515 del_timer_sync(&bfad->hal_tmo); 1516 ret = PCI_ERS_RESULT_CAN_RECOVER; 1517 break; 1518 case pci_channel_io_frozen: /* fatal error */ 1519 init_completion(&bfad->comp); 1520 spin_lock_irqsave(&bfad->bfad_lock, flags); 1521 bfad->bfad_flags |= BFAD_EEH_BUSY; 1522 /* Suspend/fail all bfa operations */ 1523 bfa_ioc_suspend(&bfad->bfa.ioc); 1524 bfa_fcs_stop(&bfad->bfa_fcs); 1525 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1526 wait_for_completion(&bfad->comp); 1527 1528 bfad_remove_intr(bfad); 1529 del_timer_sync(&bfad->hal_tmo); 1530 pci_disable_device(pdev); 1531 ret = PCI_ERS_RESULT_NEED_RESET; 1532 break; 1533 case pci_channel_io_perm_failure: /* PCI Card is DEAD */ 1534 spin_lock_irqsave(&bfad->bfad_lock, flags); 1535 bfad->bfad_flags |= BFAD_EEH_BUSY | 1536 BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE; 1537 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1538 1539 /* If the error_detected handler is called with the reason 1540 * pci_channel_io_perm_failure - it will subsequently call 1541 * pci_remove() entry point to remove the pci device from the 1542 * system - So defer the cleanup to pci_remove(); cleaning up 1543 * here causes inconsistent state during pci_remove(). 1544 */ 1545 ret = PCI_ERS_RESULT_DISCONNECT; 1546 break; 1547 default: 1548 WARN_ON(1); 1549 } 1550 1551 return ret; 1552 } 1553 1554 int 1555 restart_bfa(struct bfad_s *bfad) 1556 { 1557 unsigned long flags; 1558 struct pci_dev *pdev = bfad->pcidev; 1559 1560 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, 1561 &bfad->meminfo, &bfad->hal_pcidev); 1562 1563 /* Enable Interrupt and wait bfa_init completion */ 1564 if (bfad_setup_intr(bfad)) { 1565 dev_printk(KERN_WARNING, &pdev->dev, 1566 "%s: bfad_setup_intr failed\n", bfad->pci_name); 1567 bfa_sm_send_event(bfad, BFAD_E_INTR_INIT_FAILED); 1568 return -1; 1569 } 1570 1571 init_completion(&bfad->comp); 1572 spin_lock_irqsave(&bfad->bfad_lock, flags); 1573 bfa_iocfc_init(&bfad->bfa); 1574 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1575 1576 /* Set up interrupt handler for each vectors */ 1577 if ((bfad->bfad_flags & BFAD_MSIX_ON) && 1578 bfad_install_msix_handler(bfad)) 1579 dev_printk(KERN_WARNING, &pdev->dev, 1580 "%s: install_msix failed.\n", bfad->pci_name); 1581 1582 bfad_init_timer(bfad); 1583 wait_for_completion(&bfad->comp); 1584 bfad_drv_start(bfad); 1585 1586 return 0; 1587 } 1588 1589 /* 1590 * PCI Error Recovery entry, re-initialize the chip. 1591 */ 1592 static pci_ers_result_t 1593 bfad_pci_slot_reset(struct pci_dev *pdev) 1594 { 1595 struct bfad_s *bfad = pci_get_drvdata(pdev); 1596 u8 byte; 1597 1598 dev_printk(KERN_ERR, &pdev->dev, 1599 "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags); 1600 1601 if (pci_enable_device(pdev)) { 1602 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable " 1603 "PCI device after reset.\n"); 1604 return PCI_ERS_RESULT_DISCONNECT; 1605 } 1606 1607 pci_restore_state(pdev); 1608 1609 /* 1610 * Read some byte (e.g. DMA max. payload size which can't 1611 * be 0xff any time) to make sure - we did not hit another PCI error 1612 * in the middle of recovery. If we did, then declare permanent failure. 1613 */ 1614 pci_read_config_byte(pdev, 0x68, &byte); 1615 if (byte == 0xff) { 1616 dev_printk(KERN_ERR, &pdev->dev, 1617 "slot_reset failed ... got another PCI error !\n"); 1618 goto out_disable_device; 1619 } 1620 1621 pci_save_state(pdev); 1622 pci_set_master(pdev); 1623 1624 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(64)) != 0) 1625 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(32)) != 0) 1626 goto out_disable_device; 1627 1628 pci_cleanup_aer_uncorrect_error_status(pdev); 1629 1630 if (restart_bfa(bfad) == -1) 1631 goto out_disable_device; 1632 1633 pci_enable_pcie_error_reporting(pdev); 1634 dev_printk(KERN_WARNING, &pdev->dev, 1635 "slot_reset completed flags: 0x%x!\n", bfad->bfad_flags); 1636 1637 return PCI_ERS_RESULT_RECOVERED; 1638 1639 out_disable_device: 1640 pci_disable_device(pdev); 1641 return PCI_ERS_RESULT_DISCONNECT; 1642 } 1643 1644 static pci_ers_result_t 1645 bfad_pci_mmio_enabled(struct pci_dev *pdev) 1646 { 1647 unsigned long flags; 1648 struct bfad_s *bfad = pci_get_drvdata(pdev); 1649 1650 dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n"); 1651 1652 /* Fetch FW diagnostic information */ 1653 bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc); 1654 1655 /* Cancel all pending IOs */ 1656 spin_lock_irqsave(&bfad->bfad_lock, flags); 1657 init_completion(&bfad->comp); 1658 bfa_fcs_stop(&bfad->bfa_fcs); 1659 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1660 wait_for_completion(&bfad->comp); 1661 1662 bfad_remove_intr(bfad); 1663 del_timer_sync(&bfad->hal_tmo); 1664 pci_disable_device(pdev); 1665 1666 return PCI_ERS_RESULT_NEED_RESET; 1667 } 1668 1669 static void 1670 bfad_pci_resume(struct pci_dev *pdev) 1671 { 1672 unsigned long flags; 1673 struct bfad_s *bfad = pci_get_drvdata(pdev); 1674 1675 dev_printk(KERN_WARNING, &pdev->dev, "resume\n"); 1676 1677 /* wait until the link is online */ 1678 bfad_rport_online_wait(bfad); 1679 1680 spin_lock_irqsave(&bfad->bfad_lock, flags); 1681 bfad->bfad_flags &= ~BFAD_EEH_BUSY; 1682 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1683 } 1684 1685 struct pci_device_id bfad_id_table[] = { 1686 { 1687 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1688 .device = BFA_PCI_DEVICE_ID_FC_8G2P, 1689 .subvendor = PCI_ANY_ID, 1690 .subdevice = PCI_ANY_ID, 1691 }, 1692 { 1693 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1694 .device = BFA_PCI_DEVICE_ID_FC_8G1P, 1695 .subvendor = PCI_ANY_ID, 1696 .subdevice = PCI_ANY_ID, 1697 }, 1698 { 1699 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1700 .device = BFA_PCI_DEVICE_ID_CT, 1701 .subvendor = PCI_ANY_ID, 1702 .subdevice = PCI_ANY_ID, 1703 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1704 .class_mask = ~0, 1705 }, 1706 { 1707 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1708 .device = BFA_PCI_DEVICE_ID_CT_FC, 1709 .subvendor = PCI_ANY_ID, 1710 .subdevice = PCI_ANY_ID, 1711 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1712 .class_mask = ~0, 1713 }, 1714 { 1715 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1716 .device = BFA_PCI_DEVICE_ID_CT2, 1717 .subvendor = PCI_ANY_ID, 1718 .subdevice = PCI_ANY_ID, 1719 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1720 .class_mask = ~0, 1721 }, 1722 1723 {0, 0}, 1724 }; 1725 1726 MODULE_DEVICE_TABLE(pci, bfad_id_table); 1727 1728 /* 1729 * PCI error recovery handlers. 1730 */ 1731 static struct pci_error_handlers bfad_err_handler = { 1732 .error_detected = bfad_pci_error_detected, 1733 .slot_reset = bfad_pci_slot_reset, 1734 .mmio_enabled = bfad_pci_mmio_enabled, 1735 .resume = bfad_pci_resume, 1736 }; 1737 1738 static struct pci_driver bfad_pci_driver = { 1739 .name = BFAD_DRIVER_NAME, 1740 .id_table = bfad_id_table, 1741 .probe = bfad_pci_probe, 1742 .remove = bfad_pci_remove, 1743 .err_handler = &bfad_err_handler, 1744 }; 1745 1746 /* 1747 * Driver module init. 1748 */ 1749 static int __init 1750 bfad_init(void) 1751 { 1752 int error = 0; 1753 1754 printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n", 1755 BFAD_DRIVER_VERSION); 1756 1757 if (num_sgpgs > 0) 1758 num_sgpgs_parm = num_sgpgs; 1759 1760 error = bfad_im_module_init(); 1761 if (error) { 1762 error = -ENOMEM; 1763 printk(KERN_WARNING "bfad_im_module_init failure\n"); 1764 goto ext; 1765 } 1766 1767 if (strcmp(FCPI_NAME, " fcpim") == 0) 1768 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM; 1769 1770 bfa_auto_recover = ioc_auto_recover; 1771 bfa_fcs_rport_set_del_timeout(rport_del_timeout); 1772 bfa_fcs_rport_set_max_logins(max_rport_logins); 1773 1774 error = pci_register_driver(&bfad_pci_driver); 1775 if (error) { 1776 printk(KERN_WARNING "pci_register_driver failure\n"); 1777 goto ext; 1778 } 1779 1780 return 0; 1781 1782 ext: 1783 bfad_im_module_exit(); 1784 return error; 1785 } 1786 1787 /* 1788 * Driver module exit. 1789 */ 1790 static void __exit 1791 bfad_exit(void) 1792 { 1793 pci_unregister_driver(&bfad_pci_driver); 1794 bfad_im_module_exit(); 1795 bfad_free_fwimg(); 1796 } 1797 1798 /* Firmware handling */ 1799 static void 1800 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, 1801 u32 *bfi_image_size, char *fw_name) 1802 { 1803 const struct firmware *fw; 1804 1805 if (request_firmware(&fw, fw_name, &pdev->dev)) { 1806 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); 1807 *bfi_image = NULL; 1808 goto out; 1809 } 1810 1811 *bfi_image = vmalloc(fw->size); 1812 if (NULL == *bfi_image) { 1813 printk(KERN_ALERT "Fail to allocate buffer for fw image " 1814 "size=%x!\n", (u32) fw->size); 1815 goto out; 1816 } 1817 1818 memcpy(*bfi_image, fw->data, fw->size); 1819 *bfi_image_size = fw->size/sizeof(u32); 1820 out: 1821 release_firmware(fw); 1822 } 1823 1824 static u32 * 1825 bfad_load_fwimg(struct pci_dev *pdev) 1826 { 1827 if (pdev->device == BFA_PCI_DEVICE_ID_CT2) { 1828 if (bfi_image_ct2_size == 0) 1829 bfad_read_firmware(pdev, &bfi_image_ct2, 1830 &bfi_image_ct2_size, BFAD_FW_FILE_CT2); 1831 return bfi_image_ct2; 1832 } else if (bfa_asic_id_ct(pdev->device)) { 1833 if (bfi_image_ct_size == 0) 1834 bfad_read_firmware(pdev, &bfi_image_ct, 1835 &bfi_image_ct_size, BFAD_FW_FILE_CT); 1836 return bfi_image_ct; 1837 } else { 1838 if (bfi_image_cb_size == 0) 1839 bfad_read_firmware(pdev, &bfi_image_cb, 1840 &bfi_image_cb_size, BFAD_FW_FILE_CB); 1841 return bfi_image_cb; 1842 } 1843 } 1844 1845 static void 1846 bfad_free_fwimg(void) 1847 { 1848 if (bfi_image_ct2_size && bfi_image_ct2) 1849 vfree(bfi_image_ct2); 1850 if (bfi_image_ct_size && bfi_image_ct) 1851 vfree(bfi_image_ct); 1852 if (bfi_image_cb_size && bfi_image_cb) 1853 vfree(bfi_image_cb); 1854 } 1855 1856 module_init(bfad_init); 1857 module_exit(bfad_exit); 1858 MODULE_LICENSE("GPL"); 1859 MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME); 1860 MODULE_AUTHOR("Brocade Communications Systems, Inc."); 1861 MODULE_VERSION(BFAD_DRIVER_VERSION); 1862