1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2005 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 9 #include <linux/kthread.h> 10 #include <linux/vmalloc.h> 11 12 int qla24xx_vport_disable(struct fc_vport *, bool); 13 14 /* SYSFS attributes --------------------------------------------------------- */ 15 16 static ssize_t 17 qla2x00_sysfs_read_fw_dump(struct kobject *kobj, 18 struct bin_attribute *bin_attr, 19 char *buf, loff_t off, size_t count) 20 { 21 struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, 22 struct device, kobj))); 23 char *rbuf = (char *)ha->fw_dump; 24 25 if (ha->fw_dump_reading == 0) 26 return 0; 27 if (off > ha->fw_dump_len) 28 return 0; 29 if (off + count > ha->fw_dump_len) 30 count = ha->fw_dump_len - off; 31 32 memcpy(buf, &rbuf[off], count); 33 34 return (count); 35 } 36 37 static ssize_t 38 qla2x00_sysfs_write_fw_dump(struct kobject *kobj, 39 struct bin_attribute *bin_attr, 40 char *buf, loff_t off, size_t count) 41 { 42 struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, 43 struct device, kobj))); 44 int reading; 45 46 if (off != 0) 47 return (0); 48 49 reading = simple_strtol(buf, NULL, 10); 50 switch (reading) { 51 case 0: 52 if (!ha->fw_dump_reading) 53 break; 54 55 qla_printk(KERN_INFO, ha, 56 "Firmware dump cleared on (%ld).\n", ha->host_no); 57 58 ha->fw_dump_reading = 0; 59 ha->fw_dumped = 0; 60 break; 61 case 1: 62 if (ha->fw_dumped && !ha->fw_dump_reading) { 63 ha->fw_dump_reading = 1; 64 65 qla_printk(KERN_INFO, ha, 66 "Raw firmware dump ready for read on (%ld).\n", 67 ha->host_no); 68 } 69 break; 70 case 2: 71 qla2x00_alloc_fw_dump(ha); 72 break; 73 } 74 return (count); 75 } 76 77 static struct bin_attribute sysfs_fw_dump_attr = { 78 .attr = { 79 .name = "fw_dump", 80 .mode = S_IRUSR | S_IWUSR, 81 }, 82 .size = 0, 83 .read = qla2x00_sysfs_read_fw_dump, 84 .write = qla2x00_sysfs_write_fw_dump, 85 }; 86 87 static ssize_t 88 qla2x00_sysfs_read_nvram(struct kobject *kobj, 89 struct bin_attribute *bin_attr, 90 char *buf, loff_t off, size_t count) 91 { 92 struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, 93 struct device, kobj))); 94 int size = ha->nvram_size; 95 char *nvram_cache = ha->nvram; 96 97 if (!capable(CAP_SYS_ADMIN) || off > size || count == 0) 98 return 0; 99 if (off + count > size) { 100 size -= off; 101 count = size; 102 } 103 104 /* Read NVRAM data from cache. */ 105 memcpy(buf, &nvram_cache[off], count); 106 107 return count; 108 } 109 110 static ssize_t 111 qla2x00_sysfs_write_nvram(struct kobject *kobj, 112 struct bin_attribute *bin_attr, 113 char *buf, loff_t off, size_t count) 114 { 115 struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, 116 struct device, kobj))); 117 unsigned long flags; 118 uint16_t cnt; 119 120 if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size) 121 return 0; 122 123 /* Checksum NVRAM. */ 124 if (IS_FWI2_CAPABLE(ha)) { 125 uint32_t *iter; 126 uint32_t chksum; 127 128 iter = (uint32_t *)buf; 129 chksum = 0; 130 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++) 131 chksum += le32_to_cpu(*iter++); 132 chksum = ~chksum + 1; 133 *iter = cpu_to_le32(chksum); 134 } else { 135 uint8_t *iter; 136 uint8_t chksum; 137 138 iter = (uint8_t *)buf; 139 chksum = 0; 140 for (cnt = 0; cnt < count - 1; cnt++) 141 chksum += *iter++; 142 chksum = ~chksum + 1; 143 *iter = chksum; 144 } 145 146 /* Write NVRAM. */ 147 spin_lock_irqsave(&ha->hardware_lock, flags); 148 ha->isp_ops->write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count); 149 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->nvram, ha->nvram_base, 150 count); 151 spin_unlock_irqrestore(&ha->hardware_lock, flags); 152 153 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 154 155 return (count); 156 } 157 158 static struct bin_attribute sysfs_nvram_attr = { 159 .attr = { 160 .name = "nvram", 161 .mode = S_IRUSR | S_IWUSR, 162 }, 163 .size = 512, 164 .read = qla2x00_sysfs_read_nvram, 165 .write = qla2x00_sysfs_write_nvram, 166 }; 167 168 static ssize_t 169 qla2x00_sysfs_read_optrom(struct kobject *kobj, 170 struct bin_attribute *bin_attr, 171 char *buf, loff_t off, size_t count) 172 { 173 struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, 174 struct device, kobj))); 175 176 if (ha->optrom_state != QLA_SREADING) 177 return 0; 178 if (off > ha->optrom_region_size) 179 return 0; 180 if (off + count > ha->optrom_region_size) 181 count = ha->optrom_region_size - off; 182 183 memcpy(buf, &ha->optrom_buffer[off], count); 184 185 return count; 186 } 187 188 static ssize_t 189 qla2x00_sysfs_write_optrom(struct kobject *kobj, 190 struct bin_attribute *bin_attr, 191 char *buf, loff_t off, size_t count) 192 { 193 struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, 194 struct device, kobj))); 195 196 if (ha->optrom_state != QLA_SWRITING) 197 return -EINVAL; 198 if (off > ha->optrom_region_size) 199 return -ERANGE; 200 if (off + count > ha->optrom_region_size) 201 count = ha->optrom_region_size - off; 202 203 memcpy(&ha->optrom_buffer[off], buf, count); 204 205 return count; 206 } 207 208 static struct bin_attribute sysfs_optrom_attr = { 209 .attr = { 210 .name = "optrom", 211 .mode = S_IRUSR | S_IWUSR, 212 }, 213 .size = 0, 214 .read = qla2x00_sysfs_read_optrom, 215 .write = qla2x00_sysfs_write_optrom, 216 }; 217 218 static ssize_t 219 qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj, 220 struct bin_attribute *bin_attr, 221 char *buf, loff_t off, size_t count) 222 { 223 struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, 224 struct device, kobj))); 225 uint32_t start = 0; 226 uint32_t size = ha->optrom_size; 227 int val, valid; 228 229 if (off) 230 return 0; 231 232 if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1) 233 return -EINVAL; 234 if (start > ha->optrom_size) 235 return -EINVAL; 236 237 switch (val) { 238 case 0: 239 if (ha->optrom_state != QLA_SREADING && 240 ha->optrom_state != QLA_SWRITING) 241 break; 242 243 ha->optrom_state = QLA_SWAITING; 244 245 DEBUG2(qla_printk(KERN_INFO, ha, 246 "Freeing flash region allocation -- 0x%x bytes.\n", 247 ha->optrom_region_size)); 248 249 vfree(ha->optrom_buffer); 250 ha->optrom_buffer = NULL; 251 break; 252 case 1: 253 if (ha->optrom_state != QLA_SWAITING) 254 break; 255 256 if (start & 0xfff) { 257 qla_printk(KERN_WARNING, ha, 258 "Invalid start region 0x%x/0x%x.\n", start, size); 259 return -EINVAL; 260 } 261 262 ha->optrom_region_start = start; 263 ha->optrom_region_size = start + size > ha->optrom_size ? 264 ha->optrom_size - start : size; 265 266 ha->optrom_state = QLA_SREADING; 267 ha->optrom_buffer = vmalloc(ha->optrom_region_size); 268 if (ha->optrom_buffer == NULL) { 269 qla_printk(KERN_WARNING, ha, 270 "Unable to allocate memory for optrom retrieval " 271 "(%x).\n", ha->optrom_region_size); 272 273 ha->optrom_state = QLA_SWAITING; 274 return count; 275 } 276 277 DEBUG2(qla_printk(KERN_INFO, ha, 278 "Reading flash region -- 0x%x/0x%x.\n", 279 ha->optrom_region_start, ha->optrom_region_size)); 280 281 memset(ha->optrom_buffer, 0, ha->optrom_region_size); 282 ha->isp_ops->read_optrom(ha, ha->optrom_buffer, 283 ha->optrom_region_start, ha->optrom_region_size); 284 break; 285 case 2: 286 if (ha->optrom_state != QLA_SWAITING) 287 break; 288 289 /* 290 * We need to be more restrictive on which FLASH regions are 291 * allowed to be updated via user-space. Regions accessible 292 * via this method include: 293 * 294 * ISP21xx/ISP22xx/ISP23xx type boards: 295 * 296 * 0x000000 -> 0x020000 -- Boot code. 297 * 298 * ISP2322/ISP24xx type boards: 299 * 300 * 0x000000 -> 0x07ffff -- Boot code. 301 * 0x080000 -> 0x0fffff -- Firmware. 302 * 303 * ISP25xx type boards: 304 * 305 * 0x000000 -> 0x07ffff -- Boot code. 306 * 0x080000 -> 0x0fffff -- Firmware. 307 * 0x120000 -> 0x12ffff -- VPD and HBA parameters. 308 */ 309 valid = 0; 310 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0) 311 valid = 1; 312 else if (start == (FA_BOOT_CODE_ADDR*4) || 313 start == (FA_RISC_CODE_ADDR*4)) 314 valid = 1; 315 else if (IS_QLA25XX(ha) && start == (FA_VPD_NVRAM_ADDR*4)) 316 valid = 1; 317 if (!valid) { 318 qla_printk(KERN_WARNING, ha, 319 "Invalid start region 0x%x/0x%x.\n", start, size); 320 return -EINVAL; 321 } 322 323 ha->optrom_region_start = start; 324 ha->optrom_region_size = start + size > ha->optrom_size ? 325 ha->optrom_size - start : size; 326 327 ha->optrom_state = QLA_SWRITING; 328 ha->optrom_buffer = vmalloc(ha->optrom_region_size); 329 if (ha->optrom_buffer == NULL) { 330 qla_printk(KERN_WARNING, ha, 331 "Unable to allocate memory for optrom update " 332 "(%x).\n", ha->optrom_region_size); 333 334 ha->optrom_state = QLA_SWAITING; 335 return count; 336 } 337 338 DEBUG2(qla_printk(KERN_INFO, ha, 339 "Staging flash region write -- 0x%x/0x%x.\n", 340 ha->optrom_region_start, ha->optrom_region_size)); 341 342 memset(ha->optrom_buffer, 0, ha->optrom_region_size); 343 break; 344 case 3: 345 if (ha->optrom_state != QLA_SWRITING) 346 break; 347 348 DEBUG2(qla_printk(KERN_INFO, ha, 349 "Writing flash region -- 0x%x/0x%x.\n", 350 ha->optrom_region_start, ha->optrom_region_size)); 351 352 ha->isp_ops->write_optrom(ha, ha->optrom_buffer, 353 ha->optrom_region_start, ha->optrom_region_size); 354 break; 355 default: 356 count = -EINVAL; 357 } 358 return count; 359 } 360 361 static struct bin_attribute sysfs_optrom_ctl_attr = { 362 .attr = { 363 .name = "optrom_ctl", 364 .mode = S_IWUSR, 365 }, 366 .size = 0, 367 .write = qla2x00_sysfs_write_optrom_ctl, 368 }; 369 370 static ssize_t 371 qla2x00_sysfs_read_vpd(struct kobject *kobj, 372 struct bin_attribute *bin_attr, 373 char *buf, loff_t off, size_t count) 374 { 375 struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, 376 struct device, kobj))); 377 int size = ha->vpd_size; 378 char *vpd_cache = ha->vpd; 379 380 if (!capable(CAP_SYS_ADMIN) || off > size || count == 0) 381 return 0; 382 if (off + count > size) { 383 size -= off; 384 count = size; 385 } 386 387 /* Read NVRAM data from cache. */ 388 memcpy(buf, &vpd_cache[off], count); 389 390 return count; 391 } 392 393 static ssize_t 394 qla2x00_sysfs_write_vpd(struct kobject *kobj, 395 struct bin_attribute *bin_attr, 396 char *buf, loff_t off, size_t count) 397 { 398 struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, 399 struct device, kobj))); 400 unsigned long flags; 401 402 if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size) 403 return 0; 404 405 /* Write NVRAM. */ 406 spin_lock_irqsave(&ha->hardware_lock, flags); 407 ha->isp_ops->write_nvram(ha, (uint8_t *)buf, ha->vpd_base, count); 408 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, ha->vpd_base, count); 409 spin_unlock_irqrestore(&ha->hardware_lock, flags); 410 411 return count; 412 } 413 414 static struct bin_attribute sysfs_vpd_attr = { 415 .attr = { 416 .name = "vpd", 417 .mode = S_IRUSR | S_IWUSR, 418 }, 419 .size = 0, 420 .read = qla2x00_sysfs_read_vpd, 421 .write = qla2x00_sysfs_write_vpd, 422 }; 423 424 static ssize_t 425 qla2x00_sysfs_read_sfp(struct kobject *kobj, 426 struct bin_attribute *bin_attr, 427 char *buf, loff_t off, size_t count) 428 { 429 struct scsi_qla_host *ha = shost_priv(dev_to_shost(container_of(kobj, 430 struct device, kobj))); 431 uint16_t iter, addr, offset; 432 int rval; 433 434 if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2) 435 return 0; 436 437 addr = 0xa0; 438 for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE; 439 iter++, offset += SFP_BLOCK_SIZE) { 440 if (iter == 4) { 441 /* Skip to next device address. */ 442 addr = 0xa2; 443 offset = 0; 444 } 445 446 rval = qla2x00_read_sfp(ha, ha->sfp_data_dma, addr, offset, 447 SFP_BLOCK_SIZE); 448 if (rval != QLA_SUCCESS) { 449 qla_printk(KERN_WARNING, ha, 450 "Unable to read SFP data (%x/%x/%x).\n", rval, 451 addr, offset); 452 count = 0; 453 break; 454 } 455 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE); 456 buf += SFP_BLOCK_SIZE; 457 } 458 459 return count; 460 } 461 462 static struct bin_attribute sysfs_sfp_attr = { 463 .attr = { 464 .name = "sfp", 465 .mode = S_IRUSR | S_IWUSR, 466 }, 467 .size = SFP_DEV_SIZE * 2, 468 .read = qla2x00_sysfs_read_sfp, 469 }; 470 471 static struct sysfs_entry { 472 char *name; 473 struct bin_attribute *attr; 474 int is4GBp_only; 475 } bin_file_entries[] = { 476 { "fw_dump", &sysfs_fw_dump_attr, }, 477 { "nvram", &sysfs_nvram_attr, }, 478 { "optrom", &sysfs_optrom_attr, }, 479 { "optrom_ctl", &sysfs_optrom_ctl_attr, }, 480 { "vpd", &sysfs_vpd_attr, 1 }, 481 { "sfp", &sysfs_sfp_attr, 1 }, 482 { NULL }, 483 }; 484 485 void 486 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha) 487 { 488 struct Scsi_Host *host = ha->host; 489 struct sysfs_entry *iter; 490 int ret; 491 492 for (iter = bin_file_entries; iter->name; iter++) { 493 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha)) 494 continue; 495 496 ret = sysfs_create_bin_file(&host->shost_gendev.kobj, 497 iter->attr); 498 if (ret) 499 qla_printk(KERN_INFO, ha, 500 "Unable to create sysfs %s binary attribute " 501 "(%d).\n", iter->name, ret); 502 } 503 } 504 505 void 506 qla2x00_free_sysfs_attr(scsi_qla_host_t *ha) 507 { 508 struct Scsi_Host *host = ha->host; 509 struct sysfs_entry *iter; 510 511 for (iter = bin_file_entries; iter->name; iter++) { 512 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha)) 513 continue; 514 515 sysfs_remove_bin_file(&host->shost_gendev.kobj, 516 iter->attr); 517 } 518 519 if (ha->beacon_blink_led == 1) 520 ha->isp_ops->beacon_off(ha); 521 } 522 523 /* Scsi_Host attributes. */ 524 525 static ssize_t 526 qla2x00_drvr_version_show(struct class_device *cdev, char *buf) 527 { 528 return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str); 529 } 530 531 static ssize_t 532 qla2x00_fw_version_show(struct class_device *cdev, char *buf) 533 { 534 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 535 char fw_str[30]; 536 537 return snprintf(buf, PAGE_SIZE, "%s\n", 538 ha->isp_ops->fw_version_str(ha, fw_str)); 539 } 540 541 static ssize_t 542 qla2x00_serial_num_show(struct class_device *cdev, char *buf) 543 { 544 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 545 uint32_t sn; 546 547 sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1; 548 return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000, 549 sn % 100000); 550 } 551 552 static ssize_t 553 qla2x00_isp_name_show(struct class_device *cdev, char *buf) 554 { 555 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 556 return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device); 557 } 558 559 static ssize_t 560 qla2x00_isp_id_show(struct class_device *cdev, char *buf) 561 { 562 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 563 return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n", 564 ha->product_id[0], ha->product_id[1], ha->product_id[2], 565 ha->product_id[3]); 566 } 567 568 static ssize_t 569 qla2x00_model_name_show(struct class_device *cdev, char *buf) 570 { 571 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 572 return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number); 573 } 574 575 static ssize_t 576 qla2x00_model_desc_show(struct class_device *cdev, char *buf) 577 { 578 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 579 return snprintf(buf, PAGE_SIZE, "%s\n", 580 ha->model_desc ? ha->model_desc: ""); 581 } 582 583 static ssize_t 584 qla2x00_pci_info_show(struct class_device *cdev, char *buf) 585 { 586 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 587 char pci_info[30]; 588 589 return snprintf(buf, PAGE_SIZE, "%s\n", 590 ha->isp_ops->pci_info_str(ha, pci_info)); 591 } 592 593 static ssize_t 594 qla2x00_state_show(struct class_device *cdev, char *buf) 595 { 596 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 597 int len = 0; 598 599 if (atomic_read(&ha->loop_state) == LOOP_DOWN || 600 atomic_read(&ha->loop_state) == LOOP_DEAD) 601 len = snprintf(buf, PAGE_SIZE, "Link Down\n"); 602 else if (atomic_read(&ha->loop_state) != LOOP_READY || 603 test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || 604 test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) 605 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n"); 606 else { 607 len = snprintf(buf, PAGE_SIZE, "Link Up - "); 608 609 switch (ha->current_topology) { 610 case ISP_CFG_NL: 611 len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n"); 612 break; 613 case ISP_CFG_FL: 614 len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n"); 615 break; 616 case ISP_CFG_N: 617 len += snprintf(buf + len, PAGE_SIZE-len, 618 "N_Port to N_Port\n"); 619 break; 620 case ISP_CFG_F: 621 len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n"); 622 break; 623 default: 624 len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n"); 625 break; 626 } 627 } 628 return len; 629 } 630 631 static ssize_t 632 qla2x00_zio_show(struct class_device *cdev, char *buf) 633 { 634 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 635 int len = 0; 636 637 switch (ha->zio_mode) { 638 case QLA_ZIO_MODE_6: 639 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n"); 640 break; 641 case QLA_ZIO_DISABLED: 642 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n"); 643 break; 644 } 645 return len; 646 } 647 648 static ssize_t 649 qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count) 650 { 651 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 652 int val = 0; 653 uint16_t zio_mode; 654 655 if (!IS_ZIO_SUPPORTED(ha)) 656 return -ENOTSUPP; 657 658 if (sscanf(buf, "%d", &val) != 1) 659 return -EINVAL; 660 661 if (val) 662 zio_mode = QLA_ZIO_MODE_6; 663 else 664 zio_mode = QLA_ZIO_DISABLED; 665 666 /* Update per-hba values and queue a reset. */ 667 if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) { 668 ha->zio_mode = zio_mode; 669 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 670 } 671 return strlen(buf); 672 } 673 674 static ssize_t 675 qla2x00_zio_timer_show(struct class_device *cdev, char *buf) 676 { 677 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 678 679 return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100); 680 } 681 682 static ssize_t 683 qla2x00_zio_timer_store(struct class_device *cdev, const char *buf, 684 size_t count) 685 { 686 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 687 int val = 0; 688 uint16_t zio_timer; 689 690 if (sscanf(buf, "%d", &val) != 1) 691 return -EINVAL; 692 if (val > 25500 || val < 100) 693 return -ERANGE; 694 695 zio_timer = (uint16_t)(val / 100); 696 ha->zio_timer = zio_timer; 697 698 return strlen(buf); 699 } 700 701 static ssize_t 702 qla2x00_beacon_show(struct class_device *cdev, char *buf) 703 { 704 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 705 int len = 0; 706 707 if (ha->beacon_blink_led) 708 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n"); 709 else 710 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n"); 711 return len; 712 } 713 714 static ssize_t 715 qla2x00_beacon_store(struct class_device *cdev, const char *buf, 716 size_t count) 717 { 718 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 719 int val = 0; 720 int rval; 721 722 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 723 return -EPERM; 724 725 if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) { 726 qla_printk(KERN_WARNING, ha, 727 "Abort ISP active -- ignoring beacon request.\n"); 728 return -EBUSY; 729 } 730 731 if (sscanf(buf, "%d", &val) != 1) 732 return -EINVAL; 733 734 if (val) 735 rval = ha->isp_ops->beacon_on(ha); 736 else 737 rval = ha->isp_ops->beacon_off(ha); 738 739 if (rval != QLA_SUCCESS) 740 count = 0; 741 742 return count; 743 } 744 745 static ssize_t 746 qla2x00_optrom_bios_version_show(struct class_device *cdev, char *buf) 747 { 748 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 749 750 return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1], 751 ha->bios_revision[0]); 752 } 753 754 static ssize_t 755 qla2x00_optrom_efi_version_show(struct class_device *cdev, char *buf) 756 { 757 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 758 759 return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1], 760 ha->efi_revision[0]); 761 } 762 763 static ssize_t 764 qla2x00_optrom_fcode_version_show(struct class_device *cdev, char *buf) 765 { 766 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 767 768 return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1], 769 ha->fcode_revision[0]); 770 } 771 772 static ssize_t 773 qla2x00_optrom_fw_version_show(struct class_device *cdev, char *buf) 774 { 775 scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev)); 776 777 return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n", 778 ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2], 779 ha->fw_revision[3]); 780 } 781 782 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, 783 NULL); 784 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL); 785 static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL); 786 static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL); 787 static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL); 788 static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL); 789 static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL); 790 static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL); 791 static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL); 792 static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, 793 qla2x00_zio_store); 794 static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show, 795 qla2x00_zio_timer_store); 796 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show, 797 qla2x00_beacon_store); 798 static CLASS_DEVICE_ATTR(optrom_bios_version, S_IRUGO, 799 qla2x00_optrom_bios_version_show, NULL); 800 static CLASS_DEVICE_ATTR(optrom_efi_version, S_IRUGO, 801 qla2x00_optrom_efi_version_show, NULL); 802 static CLASS_DEVICE_ATTR(optrom_fcode_version, S_IRUGO, 803 qla2x00_optrom_fcode_version_show, NULL); 804 static CLASS_DEVICE_ATTR(optrom_fw_version, S_IRUGO, 805 qla2x00_optrom_fw_version_show, NULL); 806 807 struct class_device_attribute *qla2x00_host_attrs[] = { 808 &class_device_attr_driver_version, 809 &class_device_attr_fw_version, 810 &class_device_attr_serial_num, 811 &class_device_attr_isp_name, 812 &class_device_attr_isp_id, 813 &class_device_attr_model_name, 814 &class_device_attr_model_desc, 815 &class_device_attr_pci_info, 816 &class_device_attr_state, 817 &class_device_attr_zio, 818 &class_device_attr_zio_timer, 819 &class_device_attr_beacon, 820 &class_device_attr_optrom_bios_version, 821 &class_device_attr_optrom_efi_version, 822 &class_device_attr_optrom_fcode_version, 823 &class_device_attr_optrom_fw_version, 824 NULL, 825 }; 826 827 /* Host attributes. */ 828 829 static void 830 qla2x00_get_host_port_id(struct Scsi_Host *shost) 831 { 832 scsi_qla_host_t *ha = shost_priv(shost); 833 834 fc_host_port_id(shost) = ha->d_id.b.domain << 16 | 835 ha->d_id.b.area << 8 | ha->d_id.b.al_pa; 836 } 837 838 static void 839 qla2x00_get_host_speed(struct Scsi_Host *shost) 840 { 841 scsi_qla_host_t *ha = shost_priv(shost); 842 uint32_t speed = 0; 843 844 switch (ha->link_data_rate) { 845 case PORT_SPEED_1GB: 846 speed = 1; 847 break; 848 case PORT_SPEED_2GB: 849 speed = 2; 850 break; 851 case PORT_SPEED_4GB: 852 speed = 4; 853 break; 854 } 855 fc_host_speed(shost) = speed; 856 } 857 858 static void 859 qla2x00_get_host_port_type(struct Scsi_Host *shost) 860 { 861 scsi_qla_host_t *ha = shost_priv(shost); 862 uint32_t port_type = FC_PORTTYPE_UNKNOWN; 863 864 switch (ha->current_topology) { 865 case ISP_CFG_NL: 866 port_type = FC_PORTTYPE_LPORT; 867 break; 868 case ISP_CFG_FL: 869 port_type = FC_PORTTYPE_NLPORT; 870 break; 871 case ISP_CFG_N: 872 port_type = FC_PORTTYPE_PTP; 873 break; 874 case ISP_CFG_F: 875 port_type = FC_PORTTYPE_NPORT; 876 break; 877 } 878 fc_host_port_type(shost) = port_type; 879 } 880 881 static void 882 qla2x00_get_starget_node_name(struct scsi_target *starget) 883 { 884 struct Scsi_Host *host = dev_to_shost(starget->dev.parent); 885 scsi_qla_host_t *ha = shost_priv(host); 886 fc_port_t *fcport; 887 u64 node_name = 0; 888 889 list_for_each_entry(fcport, &ha->fcports, list) { 890 if (starget->id == fcport->os_target_id) { 891 node_name = wwn_to_u64(fcport->node_name); 892 break; 893 } 894 } 895 896 fc_starget_node_name(starget) = node_name; 897 } 898 899 static void 900 qla2x00_get_starget_port_name(struct scsi_target *starget) 901 { 902 struct Scsi_Host *host = dev_to_shost(starget->dev.parent); 903 scsi_qla_host_t *ha = shost_priv(host); 904 fc_port_t *fcport; 905 u64 port_name = 0; 906 907 list_for_each_entry(fcport, &ha->fcports, list) { 908 if (starget->id == fcport->os_target_id) { 909 port_name = wwn_to_u64(fcport->port_name); 910 break; 911 } 912 } 913 914 fc_starget_port_name(starget) = port_name; 915 } 916 917 static void 918 qla2x00_get_starget_port_id(struct scsi_target *starget) 919 { 920 struct Scsi_Host *host = dev_to_shost(starget->dev.parent); 921 scsi_qla_host_t *ha = shost_priv(host); 922 fc_port_t *fcport; 923 uint32_t port_id = ~0U; 924 925 list_for_each_entry(fcport, &ha->fcports, list) { 926 if (starget->id == fcport->os_target_id) { 927 port_id = fcport->d_id.b.domain << 16 | 928 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 929 break; 930 } 931 } 932 933 fc_starget_port_id(starget) = port_id; 934 } 935 936 static void 937 qla2x00_get_rport_loss_tmo(struct fc_rport *rport) 938 { 939 struct Scsi_Host *host = rport_to_shost(rport); 940 scsi_qla_host_t *ha = shost_priv(host); 941 942 rport->dev_loss_tmo = ha->port_down_retry_count + 5; 943 } 944 945 static void 946 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) 947 { 948 struct Scsi_Host *host = rport_to_shost(rport); 949 scsi_qla_host_t *ha = shost_priv(host); 950 951 if (timeout) 952 ha->port_down_retry_count = timeout; 953 else 954 ha->port_down_retry_count = 1; 955 956 rport->dev_loss_tmo = ha->port_down_retry_count + 5; 957 } 958 959 static int 960 qla2x00_issue_lip(struct Scsi_Host *shost) 961 { 962 scsi_qla_host_t *ha = shost_priv(shost); 963 964 set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags); 965 return 0; 966 } 967 968 static struct fc_host_statistics * 969 qla2x00_get_fc_host_stats(struct Scsi_Host *shost) 970 { 971 scsi_qla_host_t *ha = shost_priv(shost); 972 int rval; 973 uint16_t mb_stat[1]; 974 link_stat_t stat_buf; 975 struct fc_host_statistics *pfc_host_stat; 976 977 rval = QLA_FUNCTION_FAILED; 978 pfc_host_stat = &ha->fc_host_stat; 979 memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics)); 980 981 if (IS_FWI2_CAPABLE(ha)) { 982 rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf, 983 sizeof(stat_buf) / 4, mb_stat); 984 } else if (atomic_read(&ha->loop_state) == LOOP_READY && 985 !test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) && 986 !test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) && 987 !ha->dpc_active) { 988 /* Must be in a 'READY' state for statistics retrieval. */ 989 rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf, 990 mb_stat); 991 } 992 993 if (rval != QLA_SUCCESS) 994 goto done; 995 996 pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt; 997 pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt; 998 pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt; 999 pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt; 1000 pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt; 1001 pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt; 1002 done: 1003 return pfc_host_stat; 1004 } 1005 1006 static void 1007 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost) 1008 { 1009 scsi_qla_host_t *ha = shost_priv(shost); 1010 1011 qla2x00_get_sym_node_name(ha, fc_host_symbolic_name(shost)); 1012 } 1013 1014 static void 1015 qla2x00_set_host_system_hostname(struct Scsi_Host *shost) 1016 { 1017 scsi_qla_host_t *ha = shost_priv(shost); 1018 1019 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); 1020 } 1021 1022 static void 1023 qla2x00_get_host_fabric_name(struct Scsi_Host *shost) 1024 { 1025 scsi_qla_host_t *ha = shost_priv(shost); 1026 u64 node_name; 1027 1028 if (ha->device_flags & SWITCH_FOUND) 1029 node_name = wwn_to_u64(ha->fabric_node_name); 1030 else 1031 node_name = wwn_to_u64(ha->node_name); 1032 1033 fc_host_fabric_name(shost) = node_name; 1034 } 1035 1036 static void 1037 qla2x00_get_host_port_state(struct Scsi_Host *shost) 1038 { 1039 scsi_qla_host_t *ha = shost_priv(shost); 1040 1041 if (!ha->flags.online) 1042 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; 1043 else if (atomic_read(&ha->loop_state) == LOOP_TIMEOUT) 1044 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; 1045 else 1046 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; 1047 } 1048 1049 static int 1050 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable) 1051 { 1052 int ret = 0; 1053 scsi_qla_host_t *ha = shost_priv(fc_vport->shost); 1054 scsi_qla_host_t *vha; 1055 1056 ret = qla24xx_vport_create_req_sanity_check(fc_vport); 1057 if (ret) { 1058 DEBUG15(printk("qla24xx_vport_create_req_sanity_check failed, " 1059 "status %x\n", ret)); 1060 return (ret); 1061 } 1062 1063 vha = qla24xx_create_vhost(fc_vport); 1064 if (vha == NULL) { 1065 DEBUG15(printk ("qla24xx_create_vhost failed, vha = %p\n", 1066 vha)); 1067 return FC_VPORT_FAILED; 1068 } 1069 if (disable) { 1070 atomic_set(&vha->vp_state, VP_OFFLINE); 1071 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED); 1072 } else 1073 atomic_set(&vha->vp_state, VP_FAILED); 1074 1075 /* ready to create vport */ 1076 qla_printk(KERN_INFO, vha, "VP entry id %d assigned.\n", vha->vp_idx); 1077 1078 /* initialized vport states */ 1079 atomic_set(&vha->loop_state, LOOP_DOWN); 1080 vha->vp_err_state= VP_ERR_PORTDWN; 1081 vha->vp_prev_err_state= VP_ERR_UNKWN; 1082 /* Check if physical ha port is Up */ 1083 if (atomic_read(&ha->loop_state) == LOOP_DOWN || 1084 atomic_read(&ha->loop_state) == LOOP_DEAD) { 1085 /* Don't retry or attempt login of this virtual port */ 1086 DEBUG15(printk ("scsi(%ld): pport loop_state is not UP.\n", 1087 vha->host_no)); 1088 atomic_set(&vha->loop_state, LOOP_DEAD); 1089 if (!disable) 1090 fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN); 1091 } 1092 1093 if (scsi_add_host(vha->host, &fc_vport->dev)) { 1094 DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n", 1095 vha->host_no, vha->vp_idx)); 1096 goto vport_create_failed_2; 1097 } 1098 1099 /* initialize attributes */ 1100 fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name); 1101 fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name); 1102 fc_host_supported_classes(vha->host) = 1103 fc_host_supported_classes(ha->host); 1104 fc_host_supported_speeds(vha->host) = 1105 fc_host_supported_speeds(ha->host); 1106 1107 qla24xx_vport_disable(fc_vport, disable); 1108 1109 return 0; 1110 vport_create_failed_2: 1111 qla24xx_disable_vp(vha); 1112 qla24xx_deallocate_vp_id(vha); 1113 kfree(vha->port_name); 1114 kfree(vha->node_name); 1115 scsi_host_put(vha->host); 1116 return FC_VPORT_FAILED; 1117 } 1118 1119 int 1120 qla24xx_vport_delete(struct fc_vport *fc_vport) 1121 { 1122 scsi_qla_host_t *ha = shost_priv(fc_vport->shost); 1123 scsi_qla_host_t *vha = fc_vport->dd_data; 1124 1125 qla24xx_disable_vp(vha); 1126 qla24xx_deallocate_vp_id(vha); 1127 1128 down(&ha->vport_sem); 1129 ha->cur_vport_count--; 1130 clear_bit(vha->vp_idx, (unsigned long *)ha->vp_idx_map); 1131 up(&ha->vport_sem); 1132 1133 kfree(vha->node_name); 1134 kfree(vha->port_name); 1135 1136 if (vha->timer_active) { 1137 qla2x00_vp_stop_timer(vha); 1138 DEBUG15(printk ("scsi(%ld): timer for the vport[%d] = %p " 1139 "has stopped\n", 1140 vha->host_no, vha->vp_idx, vha)); 1141 } 1142 1143 fc_remove_host(vha->host); 1144 1145 scsi_remove_host(vha->host); 1146 1147 scsi_host_put(vha->host); 1148 1149 return 0; 1150 } 1151 1152 int 1153 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable) 1154 { 1155 scsi_qla_host_t *vha = fc_vport->dd_data; 1156 1157 if (disable) 1158 qla24xx_disable_vp(vha); 1159 else 1160 qla24xx_enable_vp(vha); 1161 1162 return 0; 1163 } 1164 1165 struct fc_function_template qla2xxx_transport_functions = { 1166 1167 .show_host_node_name = 1, 1168 .show_host_port_name = 1, 1169 .show_host_supported_classes = 1, 1170 1171 .get_host_port_id = qla2x00_get_host_port_id, 1172 .show_host_port_id = 1, 1173 .get_host_speed = qla2x00_get_host_speed, 1174 .show_host_speed = 1, 1175 .get_host_port_type = qla2x00_get_host_port_type, 1176 .show_host_port_type = 1, 1177 .get_host_symbolic_name = qla2x00_get_host_symbolic_name, 1178 .show_host_symbolic_name = 1, 1179 .set_host_system_hostname = qla2x00_set_host_system_hostname, 1180 .show_host_system_hostname = 1, 1181 .get_host_fabric_name = qla2x00_get_host_fabric_name, 1182 .show_host_fabric_name = 1, 1183 .get_host_port_state = qla2x00_get_host_port_state, 1184 .show_host_port_state = 1, 1185 1186 .dd_fcrport_size = sizeof(struct fc_port *), 1187 .show_rport_supported_classes = 1, 1188 1189 .get_starget_node_name = qla2x00_get_starget_node_name, 1190 .show_starget_node_name = 1, 1191 .get_starget_port_name = qla2x00_get_starget_port_name, 1192 .show_starget_port_name = 1, 1193 .get_starget_port_id = qla2x00_get_starget_port_id, 1194 .show_starget_port_id = 1, 1195 1196 .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo, 1197 .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo, 1198 .show_rport_dev_loss_tmo = 1, 1199 1200 .issue_fc_host_lip = qla2x00_issue_lip, 1201 .get_fc_host_stats = qla2x00_get_fc_host_stats, 1202 1203 .vport_create = qla24xx_vport_create, 1204 .vport_disable = qla24xx_vport_disable, 1205 .vport_delete = qla24xx_vport_delete, 1206 }; 1207 1208 struct fc_function_template qla2xxx_transport_vport_functions = { 1209 1210 .show_host_node_name = 1, 1211 .show_host_port_name = 1, 1212 .show_host_supported_classes = 1, 1213 1214 .get_host_port_id = qla2x00_get_host_port_id, 1215 .show_host_port_id = 1, 1216 .get_host_speed = qla2x00_get_host_speed, 1217 .show_host_speed = 1, 1218 .get_host_port_type = qla2x00_get_host_port_type, 1219 .show_host_port_type = 1, 1220 .get_host_symbolic_name = qla2x00_get_host_symbolic_name, 1221 .show_host_symbolic_name = 1, 1222 .set_host_system_hostname = qla2x00_set_host_system_hostname, 1223 .show_host_system_hostname = 1, 1224 .get_host_fabric_name = qla2x00_get_host_fabric_name, 1225 .show_host_fabric_name = 1, 1226 .get_host_port_state = qla2x00_get_host_port_state, 1227 .show_host_port_state = 1, 1228 1229 .dd_fcrport_size = sizeof(struct fc_port *), 1230 .show_rport_supported_classes = 1, 1231 1232 .get_starget_node_name = qla2x00_get_starget_node_name, 1233 .show_starget_node_name = 1, 1234 .get_starget_port_name = qla2x00_get_starget_port_name, 1235 .show_starget_port_name = 1, 1236 .get_starget_port_id = qla2x00_get_starget_port_id, 1237 .show_starget_port_id = 1, 1238 1239 .get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo, 1240 .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo, 1241 .show_rport_dev_loss_tmo = 1, 1242 1243 .issue_fc_host_lip = qla2x00_issue_lip, 1244 .get_fc_host_stats = qla2x00_get_fc_host_stats, 1245 }; 1246 1247 void 1248 qla2x00_init_host_attr(scsi_qla_host_t *ha) 1249 { 1250 fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name); 1251 fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name); 1252 fc_host_supported_classes(ha->host) = FC_COS_CLASS3; 1253 fc_host_max_npiv_vports(ha->host) = ha->max_npiv_vports;; 1254 fc_host_npiv_vports_inuse(ha->host) = ha->cur_vport_count; 1255 } 1256