1 /* 2 * Copyright (c) 2005-2009 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 22 #include <linux/slab.h> 23 #include <linux/module.h> 24 #include <linux/kthread.h> 25 #include "bfad_drv.h" 26 #include "bfad_im.h" 27 #include "bfad_tm.h" 28 #include "bfad_ipfc.h" 29 #include "bfad_trcmod.h" 30 #include <fcb/bfa_fcb_vf.h> 31 #include <fcb/bfa_fcb_rport.h> 32 #include <fcb/bfa_fcb_port.h> 33 #include <fcb/bfa_fcb.h> 34 35 BFA_TRC_FILE(LDRV, BFAD); 36 DEFINE_MUTEX(bfad_mutex); 37 LIST_HEAD(bfad_list); 38 static int bfad_inst; 39 int bfad_supported_fc4s; 40 41 static char *host_name; 42 static char *os_name; 43 static char *os_patch; 44 static int num_rports; 45 static int num_ios; 46 static int num_tms; 47 static int num_fcxps; 48 static int num_ufbufs; 49 static int reqq_size; 50 static int rspq_size; 51 static int num_sgpgs; 52 static int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT; 53 static int bfa_io_max_sge = BFAD_IO_MAX_SGE; 54 static int log_level = BFA_LOG_WARNING; 55 static int ioc_auto_recover = BFA_TRUE; 56 static int ipfc_enable = BFA_FALSE; 57 static int fdmi_enable = BFA_TRUE; 58 int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH; 59 int bfa_linkup_delay = -1; 60 int bfa_debugfs_enable = 1; 61 62 module_param(os_name, charp, S_IRUGO | S_IWUSR); 63 MODULE_PARM_DESC(os_name, "OS name of the hba host machine"); 64 module_param(os_patch, charp, S_IRUGO | S_IWUSR); 65 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine"); 66 module_param(host_name, charp, S_IRUGO | S_IWUSR); 67 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine"); 68 module_param(num_rports, int, S_IRUGO | S_IWUSR); 69 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port" 70 " (physical/logical), default=1024"); 71 module_param(num_ios, int, S_IRUGO | S_IWUSR); 72 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000"); 73 module_param(num_tms, int, S_IRUGO | S_IWUSR); 74 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128"); 75 module_param(num_fcxps, int, S_IRUGO | S_IWUSR); 76 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64"); 77 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR); 78 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame buffers," 79 " default=64"); 80 module_param(reqq_size, int, S_IRUGO | S_IWUSR); 81 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements," 82 " default=256"); 83 module_param(rspq_size, int, S_IRUGO | S_IWUSR); 84 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements," 85 " default=64"); 86 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR); 87 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048"); 88 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR); 89 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs," 90 " Range[>0]"); 91 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR); 92 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32," 93 " Range[>0]"); 94 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR); 95 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255"); 96 module_param(log_level, int, S_IRUGO | S_IWUSR); 97 MODULE_PARM_DESC(log_level, "Driver log level, default=3," 98 " Range[Critical:1|Error:2|Warning:3|Info:4]"); 99 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR); 100 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1," 101 " Range[off:0|on:1]"); 102 module_param(ipfc_enable, int, S_IRUGO | S_IWUSR); 103 MODULE_PARM_DESC(ipfc_enable, "Enable IPoFC, default=0, Range[off:0|on:1]"); 104 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR); 105 MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for boot" 106 " port. Otherwise Range[>0]"); 107 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR); 108 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1," 109 " Range[false:0|true:1]"); 110 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR); 111 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1," 112 " Range[false:0|true:1]"); 113 114 /* 115 * Stores the module parm num_sgpgs value; 116 * used to reset for bfad next instance. 117 */ 118 static int num_sgpgs_parm; 119 120 static bfa_status_t 121 bfad_fc4_probe(struct bfad_s *bfad) 122 { 123 int rc; 124 125 rc = bfad_im_probe(bfad); 126 if (rc != BFA_STATUS_OK) 127 goto ext; 128 129 bfad_tm_probe(bfad); 130 131 if (ipfc_enable) 132 bfad_ipfc_probe(bfad); 133 134 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE; 135 ext: 136 return rc; 137 } 138 139 static void 140 bfad_fc4_probe_undo(struct bfad_s *bfad) 141 { 142 bfad_im_probe_undo(bfad); 143 bfad_tm_probe_undo(bfad); 144 if (ipfc_enable) 145 bfad_ipfc_probe_undo(bfad); 146 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; 147 } 148 149 static void 150 bfad_fc4_probe_post(struct bfad_s *bfad) 151 { 152 if (bfad->im) 153 bfad_im_probe_post(bfad->im); 154 155 bfad_tm_probe_post(bfad); 156 if (ipfc_enable) 157 bfad_ipfc_probe_post(bfad); 158 } 159 160 static bfa_status_t 161 bfad_fc4_port_new(struct bfad_s *bfad, struct bfad_port_s *port, int roles) 162 { 163 int rc = BFA_STATUS_FAILED; 164 165 if (roles & BFA_PORT_ROLE_FCP_IM) 166 rc = bfad_im_port_new(bfad, port); 167 if (rc != BFA_STATUS_OK) 168 goto ext; 169 170 if (roles & BFA_PORT_ROLE_FCP_TM) 171 rc = bfad_tm_port_new(bfad, port); 172 if (rc != BFA_STATUS_OK) 173 goto ext; 174 175 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) 176 rc = bfad_ipfc_port_new(bfad, port, port->pvb_type); 177 ext: 178 return rc; 179 } 180 181 static void 182 bfad_fc4_port_delete(struct bfad_s *bfad, struct bfad_port_s *port, int roles) 183 { 184 if (roles & BFA_PORT_ROLE_FCP_IM) 185 bfad_im_port_delete(bfad, port); 186 187 if (roles & BFA_PORT_ROLE_FCP_TM) 188 bfad_tm_port_delete(bfad, port); 189 190 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) 191 bfad_ipfc_port_delete(bfad, port); 192 } 193 194 /** 195 * BFA callbacks 196 */ 197 void 198 bfad_hcb_comp(void *arg, bfa_status_t status) 199 { 200 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg; 201 202 fcomp->status = status; 203 complete(&fcomp->comp); 204 } 205 206 /** 207 * bfa_init callback 208 */ 209 void 210 bfa_cb_init(void *drv, bfa_status_t init_status) 211 { 212 struct bfad_s *bfad = drv; 213 214 if (init_status == BFA_STATUS_OK) { 215 bfad->bfad_flags |= BFAD_HAL_INIT_DONE; 216 217 /* If BFAD_HAL_INIT_FAIL flag is set: 218 * Wake up the kernel thread to start 219 * the bfad operations after HAL init done 220 */ 221 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) { 222 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL; 223 wake_up_process(bfad->bfad_tsk); 224 } 225 } 226 227 complete(&bfad->comp); 228 } 229 230 231 232 /** 233 * BFA_FCS callbacks 234 */ 235 static struct bfad_port_s * 236 bfad_get_drv_port(struct bfad_s *bfad, struct bfad_vf_s *vf_drv, 237 struct bfad_vport_s *vp_drv) 238 { 239 return (vp_drv) ? (&(vp_drv)->drv_port) 240 : ((vf_drv) ? (&(vf_drv)->base_port) : (&(bfad)->pport)); 241 } 242 243 struct bfad_port_s * 244 bfa_fcb_port_new(struct bfad_s *bfad, struct bfa_fcs_port_s *port, 245 enum bfa_port_role roles, struct bfad_vf_s *vf_drv, 246 struct bfad_vport_s *vp_drv) 247 { 248 bfa_status_t rc; 249 struct bfad_port_s *port_drv; 250 251 if (!vp_drv && !vf_drv) { 252 port_drv = &bfad->pport; 253 port_drv->pvb_type = BFAD_PORT_PHYS_BASE; 254 } else if (!vp_drv && vf_drv) { 255 port_drv = &vf_drv->base_port; 256 port_drv->pvb_type = BFAD_PORT_VF_BASE; 257 } else if (vp_drv && !vf_drv) { 258 port_drv = &vp_drv->drv_port; 259 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT; 260 } else { 261 port_drv = &vp_drv->drv_port; 262 port_drv->pvb_type = BFAD_PORT_VF_VPORT; 263 } 264 265 port_drv->fcs_port = port; 266 port_drv->roles = roles; 267 rc = bfad_fc4_port_new(bfad, port_drv, roles); 268 if (rc != BFA_STATUS_OK) { 269 bfad_fc4_port_delete(bfad, port_drv, roles); 270 port_drv = NULL; 271 } 272 273 return port_drv; 274 } 275 276 void 277 bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles, 278 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) 279 { 280 struct bfad_port_s *port_drv; 281 282 /* 283 * this will be only called from rmmod context 284 */ 285 if (vp_drv && !vp_drv->comp_del) { 286 port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv); 287 bfa_trc(bfad, roles); 288 bfad_fc4_port_delete(bfad, port_drv, roles); 289 } 290 } 291 292 void 293 bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles, 294 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) 295 { 296 struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv); 297 298 if (roles & BFA_PORT_ROLE_FCP_IM) 299 bfad_im_port_online(bfad, port_drv); 300 301 if (roles & BFA_PORT_ROLE_FCP_TM) 302 bfad_tm_port_online(bfad, port_drv); 303 304 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) 305 bfad_ipfc_port_online(bfad, port_drv); 306 307 bfad->bfad_flags |= BFAD_PORT_ONLINE; 308 } 309 310 void 311 bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles, 312 struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) 313 { 314 struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv); 315 316 if (roles & BFA_PORT_ROLE_FCP_IM) 317 bfad_im_port_offline(bfad, port_drv); 318 319 if (roles & BFA_PORT_ROLE_FCP_TM) 320 bfad_tm_port_offline(bfad, port_drv); 321 322 if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) 323 bfad_ipfc_port_offline(bfad, port_drv); 324 } 325 326 void 327 bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv) 328 { 329 if (vport_drv->comp_del) { 330 complete(vport_drv->comp_del); 331 return; 332 } 333 } 334 335 /** 336 * FCS RPORT alloc callback, after successful PLOGI by FCS 337 */ 338 bfa_status_t 339 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport, 340 struct bfad_rport_s **rport_drv) 341 { 342 bfa_status_t rc = BFA_STATUS_OK; 343 344 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC); 345 if (*rport_drv == NULL) { 346 rc = BFA_STATUS_ENOMEM; 347 goto ext; 348 } 349 350 *rport = &(*rport_drv)->fcs_rport; 351 352 ext: 353 return rc; 354 } 355 356 /** 357 * @brief 358 * FCS PBC VPORT Create 359 */ 360 void 361 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport) 362 { 363 364 struct bfad_pcfg_s *pcfg; 365 366 pcfg = kzalloc(sizeof(struct bfad_pcfg_s), GFP_ATOMIC); 367 if (!pcfg) { 368 bfa_trc(bfad, 0); 369 return; 370 } 371 372 pcfg->port_cfg.roles = BFA_PORT_ROLE_FCP_IM; 373 pcfg->port_cfg.pwwn = pbc_vport.vp_pwwn; 374 pcfg->port_cfg.nwwn = pbc_vport.vp_nwwn; 375 pcfg->port_cfg.preboot_vp = BFA_TRUE; 376 377 list_add_tail(&pcfg->list_entry, &bfad->pbc_pcfg_list); 378 379 return; 380 } 381 382 void 383 bfad_hal_mem_release(struct bfad_s *bfad) 384 { 385 int i; 386 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; 387 struct bfa_mem_elem_s *meminfo_elem; 388 389 for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { 390 meminfo_elem = &hal_meminfo->meminfo[i]; 391 if (meminfo_elem->kva != NULL) { 392 switch (meminfo_elem->mem_type) { 393 case BFA_MEM_TYPE_KVA: 394 vfree(meminfo_elem->kva); 395 break; 396 case BFA_MEM_TYPE_DMA: 397 dma_free_coherent(&bfad->pcidev->dev, 398 meminfo_elem->mem_len, 399 meminfo_elem->kva, 400 (dma_addr_t) meminfo_elem->dma); 401 break; 402 default: 403 bfa_assert(0); 404 break; 405 } 406 } 407 } 408 409 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s)); 410 } 411 412 void 413 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg) 414 { 415 if (num_rports > 0) 416 bfa_cfg->fwcfg.num_rports = num_rports; 417 if (num_ios > 0) 418 bfa_cfg->fwcfg.num_ioim_reqs = num_ios; 419 if (num_tms > 0) 420 bfa_cfg->fwcfg.num_tskim_reqs = num_tms; 421 if (num_fcxps > 0) 422 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps; 423 if (num_ufbufs > 0) 424 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs; 425 if (reqq_size > 0) 426 bfa_cfg->drvcfg.num_reqq_elems = reqq_size; 427 if (rspq_size > 0) 428 bfa_cfg->drvcfg.num_rspq_elems = rspq_size; 429 if (num_sgpgs > 0) 430 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs; 431 432 /* 433 * populate the hal values back to the driver for sysfs use. 434 * otherwise, the default values will be shown as 0 in sysfs 435 */ 436 num_rports = bfa_cfg->fwcfg.num_rports; 437 num_ios = bfa_cfg->fwcfg.num_ioim_reqs; 438 num_tms = bfa_cfg->fwcfg.num_tskim_reqs; 439 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs; 440 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs; 441 reqq_size = bfa_cfg->drvcfg.num_reqq_elems; 442 rspq_size = bfa_cfg->drvcfg.num_rspq_elems; 443 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs; 444 } 445 446 bfa_status_t 447 bfad_hal_mem_alloc(struct bfad_s *bfad) 448 { 449 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; 450 struct bfa_mem_elem_s *meminfo_elem; 451 bfa_status_t rc = BFA_STATUS_OK; 452 dma_addr_t phys_addr; 453 int retry_count = 0; 454 int reset_value = 1; 455 int min_num_sgpgs = 512; 456 void *kva; 457 int i; 458 459 bfa_cfg_get_default(&bfad->ioc_cfg); 460 461 retry: 462 bfad_update_hal_cfg(&bfad->ioc_cfg); 463 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs; 464 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo); 465 466 for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { 467 meminfo_elem = &hal_meminfo->meminfo[i]; 468 switch (meminfo_elem->mem_type) { 469 case BFA_MEM_TYPE_KVA: 470 kva = vmalloc(meminfo_elem->mem_len); 471 if (kva == NULL) { 472 bfad_hal_mem_release(bfad); 473 rc = BFA_STATUS_ENOMEM; 474 goto ext; 475 } 476 memset(kva, 0, meminfo_elem->mem_len); 477 meminfo_elem->kva = kva; 478 break; 479 case BFA_MEM_TYPE_DMA: 480 kva = dma_alloc_coherent(&bfad->pcidev->dev, 481 meminfo_elem->mem_len, 482 &phys_addr, GFP_KERNEL); 483 if (kva == NULL) { 484 bfad_hal_mem_release(bfad); 485 /* 486 * If we cannot allocate with default 487 * num_sgpages try with half the value. 488 */ 489 if (num_sgpgs > min_num_sgpgs) { 490 printk(KERN_INFO "bfad[%d]: memory" 491 " allocation failed with" 492 " num_sgpgs: %d\n", 493 bfad->inst_no, num_sgpgs); 494 nextLowerInt(&num_sgpgs); 495 printk(KERN_INFO "bfad[%d]: trying to" 496 " allocate memory with" 497 " num_sgpgs: %d\n", 498 bfad->inst_no, num_sgpgs); 499 retry_count++; 500 goto retry; 501 } else { 502 if (num_sgpgs_parm > 0) 503 num_sgpgs = num_sgpgs_parm; 504 else { 505 reset_value = 506 (1 << retry_count); 507 num_sgpgs *= reset_value; 508 } 509 rc = BFA_STATUS_ENOMEM; 510 goto ext; 511 } 512 } 513 514 if (num_sgpgs_parm > 0) 515 num_sgpgs = num_sgpgs_parm; 516 else { 517 reset_value = (1 << retry_count); 518 num_sgpgs *= reset_value; 519 } 520 521 memset(kva, 0, meminfo_elem->mem_len); 522 meminfo_elem->kva = kva; 523 meminfo_elem->dma = phys_addr; 524 break; 525 default: 526 break; 527 528 } 529 } 530 ext: 531 return rc; 532 } 533 534 /** 535 * Create a vport under a vf. 536 */ 537 bfa_status_t 538 bfad_vport_create(struct bfad_s *bfad, u16 vf_id, 539 struct bfa_port_cfg_s *port_cfg, struct device *dev) 540 { 541 struct bfad_vport_s *vport; 542 int rc = BFA_STATUS_OK; 543 unsigned long flags; 544 struct completion fcomp; 545 546 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); 547 if (!vport) { 548 rc = BFA_STATUS_ENOMEM; 549 goto ext; 550 } 551 552 vport->drv_port.bfad = bfad; 553 spin_lock_irqsave(&bfad->bfad_lock, flags); 554 if (port_cfg->preboot_vp == BFA_TRUE) 555 rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, 556 &bfad->bfa_fcs, vf_id, port_cfg, vport); 557 else 558 rc = bfa_fcs_vport_create(&vport->fcs_vport, 559 &bfad->bfa_fcs, vf_id, port_cfg, vport); 560 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 561 562 if (rc != BFA_STATUS_OK) 563 goto ext_free_vport; 564 565 if (port_cfg->roles & BFA_PORT_ROLE_FCP_IM) { 566 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port, 567 dev); 568 if (rc != BFA_STATUS_OK) 569 goto ext_free_fcs_vport; 570 } 571 572 spin_lock_irqsave(&bfad->bfad_lock, flags); 573 bfa_fcs_vport_start(&vport->fcs_vport); 574 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 575 576 return BFA_STATUS_OK; 577 578 ext_free_fcs_vport: 579 spin_lock_irqsave(&bfad->bfad_lock, flags); 580 vport->comp_del = &fcomp; 581 init_completion(vport->comp_del); 582 bfa_fcs_vport_delete(&vport->fcs_vport); 583 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 584 wait_for_completion(vport->comp_del); 585 ext_free_vport: 586 kfree(vport); 587 ext: 588 return rc; 589 } 590 591 /** 592 * Create a vf and its base vport implicitely. 593 */ 594 bfa_status_t 595 bfad_vf_create(struct bfad_s *bfad, u16 vf_id, 596 struct bfa_port_cfg_s *port_cfg) 597 { 598 struct bfad_vf_s *vf; 599 int rc = BFA_STATUS_OK; 600 601 vf = kzalloc(sizeof(struct bfad_vf_s), GFP_KERNEL); 602 if (!vf) { 603 rc = BFA_STATUS_FAILED; 604 goto ext; 605 } 606 607 rc = bfa_fcs_vf_create(&vf->fcs_vf, &bfad->bfa_fcs, vf_id, port_cfg, 608 vf); 609 if (rc != BFA_STATUS_OK) 610 kfree(vf); 611 ext: 612 return rc; 613 } 614 615 void 616 bfad_bfa_tmo(unsigned long data) 617 { 618 struct bfad_s *bfad = (struct bfad_s *)data; 619 unsigned long flags; 620 struct list_head doneq; 621 622 spin_lock_irqsave(&bfad->bfad_lock, flags); 623 624 bfa_timer_tick(&bfad->bfa); 625 626 bfa_comp_deq(&bfad->bfa, &doneq); 627 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 628 629 if (!list_empty(&doneq)) { 630 bfa_comp_process(&bfad->bfa, &doneq); 631 spin_lock_irqsave(&bfad->bfad_lock, flags); 632 bfa_comp_free(&bfad->bfa, &doneq); 633 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 634 } 635 636 mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); 637 } 638 639 void 640 bfad_init_timer(struct bfad_s *bfad) 641 { 642 init_timer(&bfad->hal_tmo); 643 bfad->hal_tmo.function = bfad_bfa_tmo; 644 bfad->hal_tmo.data = (unsigned long)bfad; 645 646 mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); 647 } 648 649 int 650 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) 651 { 652 int rc = -ENODEV; 653 654 if (pci_enable_device(pdev)) { 655 BFA_PRINTF(BFA_ERR, "pci_enable_device fail %p\n", pdev); 656 goto out; 657 } 658 659 if (pci_request_regions(pdev, BFAD_DRIVER_NAME)) 660 goto out_disable_device; 661 662 pci_set_master(pdev); 663 664 665 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) 666 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) { 667 BFA_PRINTF(BFA_ERR, "pci_set_dma_mask fail %p\n", pdev); 668 goto out_release_region; 669 } 670 671 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0)); 672 673 if (bfad->pci_bar0_kva == NULL) { 674 BFA_PRINTF(BFA_ERR, "Fail to map bar0\n"); 675 goto out_release_region; 676 } 677 678 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn); 679 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn); 680 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva; 681 bfad->hal_pcidev.device_id = pdev->device; 682 bfad->pci_name = pci_name(pdev); 683 684 bfad->pci_attr.vendor_id = pdev->vendor; 685 bfad->pci_attr.device_id = pdev->device; 686 bfad->pci_attr.ssid = pdev->subsystem_device; 687 bfad->pci_attr.ssvid = pdev->subsystem_vendor; 688 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); 689 690 bfad->pcidev = pdev; 691 return 0; 692 693 out_release_region: 694 pci_release_regions(pdev); 695 out_disable_device: 696 pci_disable_device(pdev); 697 out: 698 return rc; 699 } 700 701 void 702 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) 703 { 704 pci_iounmap(pdev, bfad->pci_bar0_kva); 705 pci_release_regions(pdev); 706 pci_disable_device(pdev); 707 pci_set_drvdata(pdev, NULL); 708 } 709 710 void 711 bfad_fcs_port_cfg(struct bfad_s *bfad) 712 { 713 struct bfa_port_cfg_s port_cfg; 714 struct bfa_pport_attr_s attr; 715 char symname[BFA_SYMNAME_MAXLEN]; 716 717 sprintf(symname, "%s-%d", BFAD_DRIVER_NAME, bfad->inst_no); 718 memcpy(port_cfg.sym_name.symname, symname, strlen(symname)); 719 bfa_fcport_get_attr(&bfad->bfa, &attr); 720 port_cfg.nwwn = attr.nwwn; 721 port_cfg.pwwn = attr.pwwn; 722 723 bfa_fcs_cfg_base_port(&bfad->bfa_fcs, &port_cfg); 724 } 725 726 bfa_status_t 727 bfad_drv_init(struct bfad_s *bfad) 728 { 729 bfa_status_t rc; 730 unsigned long flags; 731 struct bfa_fcs_driver_info_s driver_info; 732 733 bfad->cfg_data.rport_del_timeout = rport_del_timeout; 734 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth; 735 bfad->cfg_data.io_max_sge = bfa_io_max_sge; 736 bfad->cfg_data.binding_method = FCP_PWWN_BINDING; 737 738 rc = bfad_hal_mem_alloc(bfad); 739 if (rc != BFA_STATUS_OK) { 740 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", 741 bfad->inst_no); 742 printk(KERN_WARNING 743 "Not enough memory to attach all Brocade HBA ports," 744 " System may need more memory.\n"); 745 goto out_hal_mem_alloc_failure; 746 } 747 748 bfa_init_log(&bfad->bfa, bfad->logmod); 749 bfa_init_trc(&bfad->bfa, bfad->trcmod); 750 bfa_init_aen(&bfad->bfa, bfad->aen); 751 memset(bfad->file_map, 0, sizeof(bfad->file_map)); 752 bfa_init_plog(&bfad->bfa, &bfad->plog_buf); 753 bfa_plog_init(&bfad->plog_buf); 754 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, 755 0, "Driver Attach"); 756 757 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, 758 &bfad->hal_pcidev); 759 760 init_completion(&bfad->comp); 761 762 /* 763 * Enable Interrupt and wait bfa_init completion 764 */ 765 if (bfad_setup_intr(bfad)) { 766 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n", 767 bfad->inst_no); 768 goto out_setup_intr_failure; 769 } 770 771 spin_lock_irqsave(&bfad->bfad_lock, flags); 772 bfa_init(&bfad->bfa); 773 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 774 775 /* 776 * Set up interrupt handler for each vectors 777 */ 778 if ((bfad->bfad_flags & BFAD_MSIX_ON) 779 && bfad_install_msix_handler(bfad)) { 780 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n", 781 __func__, bfad->inst_no); 782 } 783 784 bfad_init_timer(bfad); 785 786 wait_for_completion(&bfad->comp); 787 788 memset(&driver_info, 0, sizeof(driver_info)); 789 strncpy(driver_info.version, BFAD_DRIVER_VERSION, 790 sizeof(driver_info.version) - 1); 791 if (host_name) 792 strncpy(driver_info.host_machine_name, host_name, 793 sizeof(driver_info.host_machine_name) - 1); 794 if (os_name) 795 strncpy(driver_info.host_os_name, os_name, 796 sizeof(driver_info.host_os_name) - 1); 797 if (os_patch) 798 strncpy(driver_info.host_os_patch, os_patch, 799 sizeof(driver_info.host_os_patch) - 1); 800 801 strncpy(driver_info.os_device_name, bfad->pci_name, 802 sizeof(driver_info.os_device_name - 1)); 803 804 /* 805 * FCS INIT 806 */ 807 spin_lock_irqsave(&bfad->bfad_lock, flags); 808 bfa_fcs_log_init(&bfad->bfa_fcs, bfad->logmod); 809 bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod); 810 bfa_fcs_aen_init(&bfad->bfa_fcs, bfad->aen); 811 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE); 812 813 /* Do FCS init only when HAL init is done */ 814 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { 815 bfa_fcs_init(&bfad->bfa_fcs); 816 bfad->bfad_flags |= BFAD_FCS_INIT_DONE; 817 } 818 819 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); 820 bfa_fcs_set_fdmi_param(&bfad->bfa_fcs, fdmi_enable); 821 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 822 823 bfad->bfad_flags |= BFAD_DRV_INIT_DONE; 824 return BFA_STATUS_OK; 825 826 out_setup_intr_failure: 827 bfa_detach(&bfad->bfa); 828 bfad_hal_mem_release(bfad); 829 out_hal_mem_alloc_failure: 830 return BFA_STATUS_FAILED; 831 } 832 833 void 834 bfad_drv_uninit(struct bfad_s *bfad) 835 { 836 unsigned long flags; 837 838 spin_lock_irqsave(&bfad->bfad_lock, flags); 839 init_completion(&bfad->comp); 840 bfa_stop(&bfad->bfa); 841 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 842 wait_for_completion(&bfad->comp); 843 844 del_timer_sync(&bfad->hal_tmo); 845 bfa_isr_disable(&bfad->bfa); 846 bfa_detach(&bfad->bfa); 847 bfad_remove_intr(bfad); 848 bfad_hal_mem_release(bfad); 849 850 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE; 851 } 852 853 void 854 bfad_drv_start(struct bfad_s *bfad) 855 { 856 unsigned long flags; 857 858 spin_lock_irqsave(&bfad->bfad_lock, flags); 859 bfa_start(&bfad->bfa); 860 bfa_fcs_start(&bfad->bfa_fcs); 861 bfad->bfad_flags |= BFAD_HAL_START_DONE; 862 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 863 864 bfad_fc4_probe_post(bfad); 865 } 866 867 void 868 bfad_drv_stop(struct bfad_s *bfad) 869 { 870 unsigned long flags; 871 872 spin_lock_irqsave(&bfad->bfad_lock, flags); 873 init_completion(&bfad->comp); 874 bfad->pport.flags |= BFAD_PORT_DELETE; 875 bfa_fcs_exit(&bfad->bfa_fcs); 876 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 877 wait_for_completion(&bfad->comp); 878 879 spin_lock_irqsave(&bfad->bfad_lock, flags); 880 init_completion(&bfad->comp); 881 bfa_stop(&bfad->bfa); 882 bfad->bfad_flags &= ~BFAD_HAL_START_DONE; 883 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 884 wait_for_completion(&bfad->comp); 885 } 886 887 bfa_status_t 888 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role) 889 { 890 int rc = BFA_STATUS_OK; 891 892 /* 893 * Allocate scsi_host for the physical port 894 */ 895 if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM) 896 && (role & BFA_PORT_ROLE_FCP_IM)) { 897 if (bfad->pport.im_port == NULL) { 898 rc = BFA_STATUS_FAILED; 899 goto out; 900 } 901 902 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port, 903 &bfad->pcidev->dev); 904 if (rc != BFA_STATUS_OK) 905 goto out; 906 907 bfad->pport.roles |= BFA_PORT_ROLE_FCP_IM; 908 } 909 910 /* Setup the debugfs node for this scsi_host */ 911 if (bfa_debugfs_enable) 912 bfad_debugfs_init(&bfad->pport); 913 914 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE; 915 916 out: 917 return rc; 918 } 919 920 void 921 bfad_uncfg_pport(struct bfad_s *bfad) 922 { 923 /* Remove the debugfs node for this scsi_host */ 924 kfree(bfad->regdata); 925 bfad_debugfs_exit(&bfad->pport); 926 927 if ((bfad->pport.roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) { 928 bfad_ipfc_port_delete(bfad, &bfad->pport); 929 bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IPFC; 930 } 931 932 if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM) 933 && (bfad->pport.roles & BFA_PORT_ROLE_FCP_IM)) { 934 bfad_im_scsi_host_free(bfad, bfad->pport.im_port); 935 bfad_im_port_clean(bfad->pport.im_port); 936 kfree(bfad->pport.im_port); 937 bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IM; 938 } 939 940 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; 941 } 942 943 void 944 bfad_drv_log_level_set(struct bfad_s *bfad) 945 { 946 if (log_level > BFA_LOG_INVALID && log_level <= BFA_LOG_LEVEL_MAX) 947 bfa_log_set_level_all(&bfad->log_data, log_level); 948 } 949 950 bfa_status_t 951 bfad_start_ops(struct bfad_s *bfad) 952 { 953 int retval; 954 struct bfad_pcfg_s *pcfg, *pcfg_new; 955 956 /* PPORT FCS config */ 957 bfad_fcs_port_cfg(bfad); 958 959 retval = bfad_cfg_pport(bfad, BFA_PORT_ROLE_FCP_IM); 960 if (retval != BFA_STATUS_OK) 961 goto out_cfg_pport_failure; 962 963 /* BFAD level FC4 (IM/TM/IPFC) specific resource allocation */ 964 retval = bfad_fc4_probe(bfad); 965 if (retval != BFA_STATUS_OK) { 966 printk(KERN_WARNING "bfad_fc4_probe failed\n"); 967 goto out_fc4_probe_failure; 968 } 969 970 bfad_drv_start(bfad); 971 972 /* pbc vport creation */ 973 list_for_each_entry_safe(pcfg, pcfg_new, &bfad->pbc_pcfg_list, 974 list_entry) { 975 struct fc_vport_identifiers vid; 976 struct fc_vport *fc_vport; 977 978 memset(&vid, 0, sizeof(vid)); 979 vid.roles = FC_PORT_ROLE_FCP_INITIATOR; 980 vid.vport_type = FC_PORTTYPE_NPIV; 981 vid.disable = false; 982 vid.node_name = wwn_to_u64((u8 *)&pcfg->port_cfg.nwwn); 983 vid.port_name = wwn_to_u64((u8 *)&pcfg->port_cfg.pwwn); 984 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid); 985 if (!fc_vport) 986 printk(KERN_WARNING "bfad%d: failed to create pbc vport" 987 " %llx\n", bfad->inst_no, vid.port_name); 988 list_del(&pcfg->list_entry); 989 kfree(pcfg); 990 991 } 992 993 /* 994 * If bfa_linkup_delay is set to -1 default; try to retrive the 995 * value using the bfad_os_get_linkup_delay(); else use the 996 * passed in module param value as the bfa_linkup_delay. 997 */ 998 if (bfa_linkup_delay < 0) { 999 1000 bfa_linkup_delay = bfad_os_get_linkup_delay(bfad); 1001 bfad_os_rport_online_wait(bfad); 1002 bfa_linkup_delay = -1; 1003 1004 } else { 1005 bfad_os_rport_online_wait(bfad); 1006 } 1007 1008 bfa_log(bfad->logmod, BFA_LOG_LINUX_DEVICE_CLAIMED, bfad->pci_name); 1009 1010 return BFA_STATUS_OK; 1011 1012 out_fc4_probe_failure: 1013 bfad_fc4_probe_undo(bfad); 1014 bfad_uncfg_pport(bfad); 1015 out_cfg_pport_failure: 1016 return BFA_STATUS_FAILED; 1017 } 1018 1019 int 1020 bfad_worker(void *ptr) 1021 { 1022 struct bfad_s *bfad; 1023 unsigned long flags; 1024 1025 bfad = (struct bfad_s *)ptr; 1026 1027 while (!kthread_should_stop()) { 1028 1029 /* Check if the FCS init is done from bfad_drv_init; 1030 * if not done do FCS init and set the flag. 1031 */ 1032 if (!(bfad->bfad_flags & BFAD_FCS_INIT_DONE)) { 1033 spin_lock_irqsave(&bfad->bfad_lock, flags); 1034 bfa_fcs_init(&bfad->bfa_fcs); 1035 bfad->bfad_flags |= BFAD_FCS_INIT_DONE; 1036 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1037 } 1038 1039 /* Start the bfad operations after HAL init done */ 1040 bfad_start_ops(bfad); 1041 1042 spin_lock_irqsave(&bfad->bfad_lock, flags); 1043 bfad->bfad_tsk = NULL; 1044 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1045 1046 break; 1047 } 1048 1049 return 0; 1050 } 1051 1052 /* 1053 * PCI_entry PCI driver entries * { 1054 */ 1055 1056 /** 1057 * PCI probe entry. 1058 */ 1059 int 1060 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) 1061 { 1062 struct bfad_s *bfad; 1063 int error = -ENODEV, retval; 1064 1065 /* 1066 * For single port cards - only claim function 0 1067 */ 1068 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) 1069 && (PCI_FUNC(pdev->devfn) != 0)) 1070 return -ENODEV; 1071 1072 BFA_TRACE(BFA_INFO, "bfad_pci_probe entry"); 1073 1074 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); 1075 if (!bfad) { 1076 error = -ENOMEM; 1077 goto out; 1078 } 1079 1080 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL); 1081 if (!bfad->trcmod) { 1082 printk(KERN_WARNING "Error alloc trace buffer!\n"); 1083 error = -ENOMEM; 1084 goto out_alloc_trace_failure; 1085 } 1086 1087 /* 1088 * LOG/TRACE INIT 1089 */ 1090 bfa_trc_init(bfad->trcmod); 1091 bfa_trc(bfad, bfad_inst); 1092 1093 bfad->logmod = &bfad->log_data; 1094 bfa_log_init(bfad->logmod, (char *)pci_name(pdev), bfa_os_printf); 1095 1096 bfad_drv_log_level_set(bfad); 1097 1098 bfad->aen = &bfad->aen_buf; 1099 1100 if (!(bfad_load_fwimg(pdev))) { 1101 printk(KERN_WARNING "bfad_load_fwimg failure!\n"); 1102 kfree(bfad->trcmod); 1103 goto out_alloc_trace_failure; 1104 } 1105 1106 retval = bfad_pci_init(pdev, bfad); 1107 if (retval) { 1108 printk(KERN_WARNING "bfad_pci_init failure!\n"); 1109 error = retval; 1110 goto out_pci_init_failure; 1111 } 1112 1113 mutex_lock(&bfad_mutex); 1114 bfad->inst_no = bfad_inst++; 1115 list_add_tail(&bfad->list_entry, &bfad_list); 1116 mutex_unlock(&bfad_mutex); 1117 1118 spin_lock_init(&bfad->bfad_lock); 1119 pci_set_drvdata(pdev, bfad); 1120 1121 bfad->ref_count = 0; 1122 bfad->pport.bfad = bfad; 1123 INIT_LIST_HEAD(&bfad->pbc_pcfg_list); 1124 1125 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, "%s", 1126 "bfad_worker"); 1127 if (IS_ERR(bfad->bfad_tsk)) { 1128 printk(KERN_INFO "bfad[%d]: Kernel thread" 1129 " creation failed!\n", 1130 bfad->inst_no); 1131 goto out_kthread_create_failure; 1132 } 1133 1134 retval = bfad_drv_init(bfad); 1135 if (retval != BFA_STATUS_OK) 1136 goto out_drv_init_failure; 1137 if (!(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { 1138 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL; 1139 printk(KERN_WARNING "bfad%d: hal init failed\n", bfad->inst_no); 1140 goto ok; 1141 } 1142 1143 retval = bfad_start_ops(bfad); 1144 if (retval != BFA_STATUS_OK) 1145 goto out_start_ops_failure; 1146 1147 kthread_stop(bfad->bfad_tsk); 1148 bfad->bfad_tsk = NULL; 1149 1150 ok: 1151 return 0; 1152 1153 out_start_ops_failure: 1154 bfad_drv_uninit(bfad); 1155 out_drv_init_failure: 1156 kthread_stop(bfad->bfad_tsk); 1157 out_kthread_create_failure: 1158 mutex_lock(&bfad_mutex); 1159 bfad_inst--; 1160 list_del(&bfad->list_entry); 1161 mutex_unlock(&bfad_mutex); 1162 bfad_pci_uninit(pdev, bfad); 1163 out_pci_init_failure: 1164 kfree(bfad->trcmod); 1165 out_alloc_trace_failure: 1166 kfree(bfad); 1167 out: 1168 return error; 1169 } 1170 1171 /** 1172 * PCI remove entry. 1173 */ 1174 void 1175 bfad_pci_remove(struct pci_dev *pdev) 1176 { 1177 struct bfad_s *bfad = pci_get_drvdata(pdev); 1178 unsigned long flags; 1179 1180 bfa_trc(bfad, bfad->inst_no); 1181 1182 spin_lock_irqsave(&bfad->bfad_lock, flags); 1183 if (bfad->bfad_tsk != NULL) 1184 kthread_stop(bfad->bfad_tsk); 1185 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1186 1187 if ((bfad->bfad_flags & BFAD_DRV_INIT_DONE) 1188 && !(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { 1189 1190 spin_lock_irqsave(&bfad->bfad_lock, flags); 1191 init_completion(&bfad->comp); 1192 bfa_stop(&bfad->bfa); 1193 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1194 wait_for_completion(&bfad->comp); 1195 1196 bfad_remove_intr(bfad); 1197 del_timer_sync(&bfad->hal_tmo); 1198 goto hal_detach; 1199 } else if (!(bfad->bfad_flags & BFAD_DRV_INIT_DONE)) { 1200 goto remove_sysfs; 1201 } 1202 1203 if (bfad->bfad_flags & BFAD_HAL_START_DONE) { 1204 bfad_drv_stop(bfad); 1205 } else if (bfad->bfad_flags & BFAD_DRV_INIT_DONE) { 1206 /* Invoking bfa_stop() before bfa_detach 1207 * when HAL and DRV init are success 1208 * but HAL start did not occur. 1209 */ 1210 spin_lock_irqsave(&bfad->bfad_lock, flags); 1211 init_completion(&bfad->comp); 1212 bfa_stop(&bfad->bfa); 1213 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1214 wait_for_completion(&bfad->comp); 1215 } 1216 1217 bfad_remove_intr(bfad); 1218 del_timer_sync(&bfad->hal_tmo); 1219 1220 if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE) 1221 bfad_fc4_probe_undo(bfad); 1222 1223 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) 1224 bfad_uncfg_pport(bfad); 1225 1226 hal_detach: 1227 spin_lock_irqsave(&bfad->bfad_lock, flags); 1228 bfa_detach(&bfad->bfa); 1229 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1230 bfad_hal_mem_release(bfad); 1231 remove_sysfs: 1232 1233 mutex_lock(&bfad_mutex); 1234 bfad_inst--; 1235 list_del(&bfad->list_entry); 1236 mutex_unlock(&bfad_mutex); 1237 bfad_pci_uninit(pdev, bfad); 1238 1239 kfree(bfad->trcmod); 1240 kfree(bfad); 1241 } 1242 1243 1244 static struct pci_device_id bfad_id_table[] = { 1245 { 1246 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1247 .device = BFA_PCI_DEVICE_ID_FC_8G2P, 1248 .subvendor = PCI_ANY_ID, 1249 .subdevice = PCI_ANY_ID, 1250 }, 1251 { 1252 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1253 .device = BFA_PCI_DEVICE_ID_FC_8G1P, 1254 .subvendor = PCI_ANY_ID, 1255 .subdevice = PCI_ANY_ID, 1256 }, 1257 { 1258 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1259 .device = BFA_PCI_DEVICE_ID_CT, 1260 .subvendor = PCI_ANY_ID, 1261 .subdevice = PCI_ANY_ID, 1262 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1263 .class_mask = ~0, 1264 }, 1265 { 1266 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1267 .device = BFA_PCI_DEVICE_ID_CT_FC, 1268 .subvendor = PCI_ANY_ID, 1269 .subdevice = PCI_ANY_ID, 1270 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1271 .class_mask = ~0, 1272 }, 1273 1274 {0, 0}, 1275 }; 1276 1277 MODULE_DEVICE_TABLE(pci, bfad_id_table); 1278 1279 static struct pci_driver bfad_pci_driver = { 1280 .name = BFAD_DRIVER_NAME, 1281 .id_table = bfad_id_table, 1282 .probe = bfad_pci_probe, 1283 .remove = __devexit_p(bfad_pci_remove), 1284 }; 1285 1286 /** 1287 * Linux driver module functions 1288 */ 1289 bfa_status_t 1290 bfad_fc4_module_init(void) 1291 { 1292 int rc; 1293 1294 rc = bfad_im_module_init(); 1295 if (rc != BFA_STATUS_OK) 1296 goto ext; 1297 1298 bfad_tm_module_init(); 1299 if (ipfc_enable) 1300 bfad_ipfc_module_init(); 1301 ext: 1302 return rc; 1303 } 1304 1305 void 1306 bfad_fc4_module_exit(void) 1307 { 1308 if (ipfc_enable) 1309 bfad_ipfc_module_exit(); 1310 bfad_tm_module_exit(); 1311 bfad_im_module_exit(); 1312 } 1313 1314 /** 1315 * Driver module init. 1316 */ 1317 static int __init 1318 bfad_init(void) 1319 { 1320 int error = 0; 1321 1322 printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n", 1323 BFAD_DRIVER_VERSION); 1324 1325 if (num_sgpgs > 0) 1326 num_sgpgs_parm = num_sgpgs; 1327 1328 error = bfad_fc4_module_init(); 1329 if (error) { 1330 error = -ENOMEM; 1331 printk(KERN_WARNING "bfad_fc4_module_init failure\n"); 1332 goto ext; 1333 } 1334 1335 if (!strcmp(FCPI_NAME, " fcpim")) 1336 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IM; 1337 if (!strcmp(FCPT_NAME, " fcptm")) 1338 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_TM; 1339 if (!strcmp(IPFC_NAME, " ipfc")) 1340 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IPFC; 1341 1342 bfa_ioc_auto_recover(ioc_auto_recover); 1343 bfa_fcs_rport_set_del_timeout(rport_del_timeout); 1344 error = pci_register_driver(&bfad_pci_driver); 1345 1346 if (error) { 1347 printk(KERN_WARNING "bfad pci_register_driver failure\n"); 1348 goto ext; 1349 } 1350 1351 return 0; 1352 1353 ext: 1354 bfad_fc4_module_exit(); 1355 return error; 1356 } 1357 1358 /** 1359 * Driver module exit. 1360 */ 1361 static void __exit 1362 bfad_exit(void) 1363 { 1364 pci_unregister_driver(&bfad_pci_driver); 1365 bfad_fc4_module_exit(); 1366 bfad_free_fwimg(); 1367 } 1368 1369 #define BFAD_PROTO_NAME FCPI_NAME FCPT_NAME IPFC_NAME 1370 1371 module_init(bfad_init); 1372 module_exit(bfad_exit); 1373 MODULE_LICENSE("GPL"); 1374 MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME); 1375 MODULE_AUTHOR("Brocade Communications Systems, Inc."); 1376 MODULE_VERSION(BFAD_DRIVER_VERSION); 1377 1378 1379