drivers/scsi/qla2xxx/qla_attr.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2008 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 #include <linux/delay.h>
  12
  13 static int qla24xx_vport_disable(struct fc_vport *, bool);
  14
  15 /* SYSFS attributes --------------------------------------------------------- */
  16
  17 static ssize_t
  18 qla2x00_sysfs_read_fw_dump(struct kobject *kobj,
  19                            struct bin_attribute *bin_attr,
  20                            char *buf, loff_t off, size_t count)
  21 {
  22         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
  23             struct device, kobj)));
  24         struct qla_hw_data *ha = vha->hw;
  25
  26         if (ha->fw_dump_reading == 0)
  27                 return 0;
  28
  29         return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
  30                                         ha->fw_dump_len);
  31 }
  32
  33 static ssize_t
  34 qla2x00_sysfs_write_fw_dump(struct kobject *kobj,
  35                             struct bin_attribute *bin_attr,
  36                             char *buf, loff_t off, size_t count)
  37 {
  38         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
  39             struct device, kobj)));
  40         struct qla_hw_data *ha = vha->hw;
  41         int reading;
  42
  43         if (off != 0)
  44                 return (0);
  45
  46         reading = simple_strtol(buf, NULL, 10);
  47         switch (reading) {
  48         case 0:
  49                 if (!ha->fw_dump_reading)
  50                         break;
  51
  52                 qla_printk(KERN_INFO, ha,
  53                     "Firmware dump cleared on (%ld).\n", vha->host_no);
  54
  55                 ha->fw_dump_reading = 0;
  56                 ha->fw_dumped = 0;
  57                 break;
  58         case 1:
  59                 if (ha->fw_dumped && !ha->fw_dump_reading) {
  60                         ha->fw_dump_reading = 1;
  61
  62                         qla_printk(KERN_INFO, ha,
  63                             "Raw firmware dump ready for read on (%ld).\n",
  64                             vha->host_no);
  65                 }
  66                 break;
  67         case 2:
  68                 qla2x00_alloc_fw_dump(vha);
  69                 break;
  70         case 3:
  71                 qla2x00_system_error(vha);
  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 *vha = shost_priv(dev_to_shost(container_of(kobj,
  93             struct device, kobj)));
  94         struct qla_hw_data *ha = vha->hw;
  95
  96         if (!capable(CAP_SYS_ADMIN))
  97                 return 0;
  98
  99         if (IS_NOCACHE_VPD_TYPE(ha))
 100                 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_nvram << 2,
 101                     ha->nvram_size);
 102         return memory_read_from_buffer(buf, count, &off, ha->nvram,
 103                                         ha->nvram_size);
 104 }
 105
 106 static ssize_t
 107 qla2x00_sysfs_write_nvram(struct kobject *kobj,
 108                           struct bin_attribute *bin_attr,
 109                           char *buf, loff_t off, size_t count)
 110 {
 111         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 112             struct device, kobj)));
 113         struct qla_hw_data *ha = vha->hw;
 114         uint16_t        cnt;
 115
 116         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
 117             !ha->isp_ops->write_nvram)
 118                 return 0;
 119
 120         /* Checksum NVRAM. */
 121         if (IS_FWI2_CAPABLE(ha)) {
 122                 uint32_t *iter;
 123                 uint32_t chksum;
 124
 125                 iter = (uint32_t *)buf;
 126                 chksum = 0;
 127                 for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
 128                         chksum += le32_to_cpu(*iter++);
 129                 chksum = ~chksum + 1;
 130                 *iter = cpu_to_le32(chksum);
 131         } else {
 132                 uint8_t *iter;
 133                 uint8_t chksum;
 134
 135                 iter = (uint8_t *)buf;
 136                 chksum = 0;
 137                 for (cnt = 0; cnt < count - 1; cnt++)
 138                         chksum += *iter++;
 139                 chksum = ~chksum + 1;
 140                 *iter = chksum;
 141         }
 142
 143         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 144                 qla_printk(KERN_WARNING, ha,
 145                     "HBA not online, failing NVRAM update.\n");
 146                 return -EAGAIN;
 147         }
 148
 149         /* Write NVRAM. */
 150         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
 151         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
 152             count);
 153
 154         /* NVRAM settings take effect immediately. */
 155         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 156         qla2xxx_wake_dpc(vha);
 157         qla2x00_wait_for_chip_reset(vha);
 158
 159         return (count);
 160 }
 161
 162 static struct bin_attribute sysfs_nvram_attr = {
 163         .attr = {
 164                 .name = "nvram",
 165                 .mode = S_IRUSR | S_IWUSR,
 166         },
 167         .size = 512,
 168         .read = qla2x00_sysfs_read_nvram,
 169         .write = qla2x00_sysfs_write_nvram,
 170 };
 171
 172 static ssize_t
 173 qla2x00_sysfs_read_optrom(struct kobject *kobj,
 174                           struct bin_attribute *bin_attr,
 175                           char *buf, loff_t off, size_t count)
 176 {
 177         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 178             struct device, kobj)));
 179         struct qla_hw_data *ha = vha->hw;
 180
 181         if (ha->optrom_state != QLA_SREADING)
 182                 return 0;
 183
 184         return memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
 185                                         ha->optrom_region_size);
 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 *vha = shost_priv(dev_to_shost(container_of(kobj,
 194             struct device, kobj)));
 195         struct qla_hw_data *ha = vha->hw;
 196
 197         if (ha->optrom_state != QLA_SWRITING)
 198                 return -EINVAL;
 199         if (off > ha->optrom_region_size)
 200                 return -ERANGE;
 201         if (off + count > ha->optrom_region_size)
 202                 count = ha->optrom_region_size - off;
 203
 204         memcpy(&ha->optrom_buffer[off], buf, count);
 205
 206         return count;
 207 }
 208
 209 static struct bin_attribute sysfs_optrom_attr = {
 210         .attr = {
 211                 .name = "optrom",
 212                 .mode = S_IRUSR | S_IWUSR,
 213         },
 214         .size = 0,
 215         .read = qla2x00_sysfs_read_optrom,
 216         .write = qla2x00_sysfs_write_optrom,
 217 };
 218
 219 static ssize_t
 220 qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
 221                                struct bin_attribute *bin_attr,
 222                                char *buf, loff_t off, size_t count)
 223 {
 224         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 225             struct device, kobj)));
 226         struct qla_hw_data *ha = vha->hw;
 227
 228         uint32_t start = 0;
 229         uint32_t size = ha->optrom_size;
 230         int val, valid;
 231
 232         if (off)
 233                 return 0;
 234
 235         if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
 236                 return -EINVAL;
 237         if (start > ha->optrom_size)
 238                 return -EINVAL;
 239
 240         switch (val) {
 241         case 0:
 242                 if (ha->optrom_state != QLA_SREADING &&
 243                     ha->optrom_state != QLA_SWRITING)
 244                         break;
 245
 246                 ha->optrom_state = QLA_SWAITING;
 247
 248                 DEBUG2(qla_printk(KERN_INFO, ha,
 249                     "Freeing flash region allocation -- 0x%x bytes.\n",
 250                     ha->optrom_region_size));
 251
 252                 vfree(ha->optrom_buffer);
 253                 ha->optrom_buffer = NULL;
 254                 break;
 255         case 1:
 256                 if (ha->optrom_state != QLA_SWAITING)
 257                         break;
 258
 259                 ha->optrom_region_start = start;
 260                 ha->optrom_region_size = start + size > ha->optrom_size ?
 261                     ha->optrom_size - start : size;
 262
 263                 ha->optrom_state = QLA_SREADING;
 264                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
 265                 if (ha->optrom_buffer == NULL) {
 266                         qla_printk(KERN_WARNING, ha,
 267                             "Unable to allocate memory for optrom retrieval "
 268                             "(%x).\n", ha->optrom_region_size);
 269
 270                         ha->optrom_state = QLA_SWAITING;
 271                         return count;
 272                 }
 273
 274                 DEBUG2(qla_printk(KERN_INFO, ha,
 275                     "Reading flash region -- 0x%x/0x%x.\n",
 276                     ha->optrom_region_start, ha->optrom_region_size));
 277
 278                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
 279                 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
 280                     ha->optrom_region_start, ha->optrom_region_size);
 281                 break;
 282         case 2:
 283                 if (ha->optrom_state != QLA_SWAITING)
 284                         break;
 285
 286                 /*
 287                  * We need to be more restrictive on which FLASH regions are
 288                  * allowed to be updated via user-space.  Regions accessible
 289                  * via this method include:
 290                  *
 291                  * ISP21xx/ISP22xx/ISP23xx type boards:
 292                  *
 293                  *      0x000000 -> 0x020000 -- Boot code.
 294                  *
 295                  * ISP2322/ISP24xx type boards:
 296                  *
 297                  *      0x000000 -> 0x07ffff -- Boot code.
 298                  *      0x080000 -> 0x0fffff -- Firmware.
 299                  *
 300                  * ISP25xx type boards:
 301                  *
 302                  *      0x000000 -> 0x07ffff -- Boot code.
 303                  *      0x080000 -> 0x0fffff -- Firmware.
 304                  *      0x120000 -> 0x12ffff -- VPD and HBA parameters.
 305                  */
 306                 valid = 0;
 307                 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
 308                         valid = 1;
 309                 else if (start == (ha->flt_region_boot * 4) ||
 310                     start == (ha->flt_region_fw * 4))
 311                         valid = 1;
 312                 else if (IS_QLA25XX(ha) || IS_QLA81XX(ha))
 313                     valid = 1;
 314                 if (!valid) {
 315                         qla_printk(KERN_WARNING, ha,
 316                             "Invalid start region 0x%x/0x%x.\n", start, size);
 317                         return -EINVAL;
 318                 }
 319
 320                 ha->optrom_region_start = start;
 321                 ha->optrom_region_size = start + size > ha->optrom_size ?
 322                     ha->optrom_size - start : size;
 323
 324                 ha->optrom_state = QLA_SWRITING;
 325                 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
 326                 if (ha->optrom_buffer == NULL) {
 327                         qla_printk(KERN_WARNING, ha,
 328                             "Unable to allocate memory for optrom update "
 329                             "(%x).\n", ha->optrom_region_size);
 330
 331                         ha->optrom_state = QLA_SWAITING;
 332                         return count;
 333                 }
 334
 335                 DEBUG2(qla_printk(KERN_INFO, ha,
 336                     "Staging flash region write -- 0x%x/0x%x.\n",
 337                     ha->optrom_region_start, ha->optrom_region_size));
 338
 339                 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
 340                 break;
 341         case 3:
 342                 if (ha->optrom_state != QLA_SWRITING)
 343                         break;
 344
 345                 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 346                         qla_printk(KERN_WARNING, ha,
 347                             "HBA not online, failing flash update.\n");
 348                         return -EAGAIN;
 349                 }
 350
 351                 DEBUG2(qla_printk(KERN_INFO, ha,
 352                     "Writing flash region -- 0x%x/0x%x.\n",
 353                     ha->optrom_region_start, ha->optrom_region_size));
 354
 355                 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
 356                     ha->optrom_region_start, ha->optrom_region_size);
 357                 break;
 358         default:
 359                 count = -EINVAL;
 360         }
 361         return count;
 362 }
 363
 364 static struct bin_attribute sysfs_optrom_ctl_attr = {
 365         .attr = {
 366                 .name = "optrom_ctl",
 367                 .mode = S_IWUSR,
 368         },
 369         .size = 0,
 370         .write = qla2x00_sysfs_write_optrom_ctl,
 371 };
 372
 373 static ssize_t
 374 qla2x00_sysfs_read_vpd(struct kobject *kobj,
 375                        struct bin_attribute *bin_attr,
 376                        char *buf, loff_t off, size_t count)
 377 {
 378         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 379             struct device, kobj)));
 380         struct qla_hw_data *ha = vha->hw;
 381
 382         if (!capable(CAP_SYS_ADMIN))
 383                 return 0;
 384
 385         if (IS_NOCACHE_VPD_TYPE(ha))
 386                 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
 387                     ha->vpd_size);
 388         return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
 389 }
 390
 391 static ssize_t
 392 qla2x00_sysfs_write_vpd(struct kobject *kobj,
 393                         struct bin_attribute *bin_attr,
 394                         char *buf, loff_t off, size_t count)
 395 {
 396         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 397             struct device, kobj)));
 398         struct qla_hw_data *ha = vha->hw;
 399         uint8_t *tmp_data;
 400
 401         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
 402             !ha->isp_ops->write_nvram)
 403                 return 0;
 404
 405         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 406                 qla_printk(KERN_WARNING, ha,
 407                     "HBA not online, failing VPD update.\n");
 408                 return -EAGAIN;
 409         }
 410
 411         /* Write NVRAM. */
 412         ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
 413         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
 414
 415         /* Update flash version information for 4Gb & above. */
 416         if (!IS_FWI2_CAPABLE(ha))
 417                 goto done;
 418
 419         tmp_data = vmalloc(256);
 420         if (!tmp_data) {
 421                 qla_printk(KERN_WARNING, ha,
 422                     "Unable to allocate memory for VPD information update.\n");
 423                 goto done;
 424         }
 425         ha->isp_ops->get_flash_version(vha, tmp_data);
 426         vfree(tmp_data);
 427 done:
 428         return count;
 429 }
 430
 431 static struct bin_attribute sysfs_vpd_attr = {
 432         .attr = {
 433                 .name = "vpd",
 434                 .mode = S_IRUSR | S_IWUSR,
 435         },
 436         .size = 0,
 437         .read = qla2x00_sysfs_read_vpd,
 438         .write = qla2x00_sysfs_write_vpd,
 439 };
 440
 441 static ssize_t
 442 qla2x00_sysfs_read_sfp(struct kobject *kobj,
 443                        struct bin_attribute *bin_attr,
 444                        char *buf, loff_t off, size_t count)
 445 {
 446         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 447             struct device, kobj)));
 448         struct qla_hw_data *ha = vha->hw;
 449         uint16_t iter, addr, offset;
 450         int rval;
 451
 452         if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
 453                 return 0;
 454
 455         if (ha->sfp_data)
 456                 goto do_read;
 457
 458         ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
 459             &ha->sfp_data_dma);
 460         if (!ha->sfp_data) {
 461                 qla_printk(KERN_WARNING, ha,
 462                     "Unable to allocate memory for SFP read-data.\n");
 463                 return 0;
 464         }
 465
 466 do_read:
 467         memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
 468         addr = 0xa0;
 469         for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
 470             iter++, offset += SFP_BLOCK_SIZE) {
 471                 if (iter == 4) {
 472                         /* Skip to next device address. */
 473                         addr = 0xa2;
 474                         offset = 0;
 475                 }
 476
 477                 rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, addr, offset,
 478                     SFP_BLOCK_SIZE);
 479                 if (rval != QLA_SUCCESS) {
 480                         qla_printk(KERN_WARNING, ha,
 481                             "Unable to read SFP data (%x/%x/%x).\n", rval,
 482                             addr, offset);
 483                         count = 0;
 484                         break;
 485                 }
 486                 memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 487                 buf += SFP_BLOCK_SIZE;
 488         }
 489
 490         return count;
 491 }
 492
 493 static struct bin_attribute sysfs_sfp_attr = {
 494         .attr = {
 495                 .name = "sfp",
 496                 .mode = S_IRUSR | S_IWUSR,
 497         },
 498         .size = SFP_DEV_SIZE * 2,
 499         .read = qla2x00_sysfs_read_sfp,
 500 };
 501
 502 static ssize_t
 503 qla2x00_sysfs_write_reset(struct kobject *kobj,
 504                         struct bin_attribute *bin_attr,
 505                         char *buf, loff_t off, size_t count)
 506 {
 507         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 508             struct device, kobj)));
 509         struct qla_hw_data *ha = vha->hw;
 510         int type;
 511
 512         if (off != 0)
 513                 return 0;
 514
 515         type = simple_strtol(buf, NULL, 10);
 516         switch (type) {
 517         case 0x2025c:
 518                 qla_printk(KERN_INFO, ha,
 519                     "Issuing ISP reset on (%ld).\n", vha->host_no);
 520
 521                 scsi_block_requests(vha->host);
 522                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 523                 qla2xxx_wake_dpc(vha);
 524                 qla2x00_wait_for_chip_reset(vha);
 525                 scsi_unblock_requests(vha->host);
 526                 break;
 527         case 0x2025d:
 528                 if (!IS_QLA81XX(ha))
 529                         break;
 530
 531                 qla_printk(KERN_INFO, ha,
 532                     "Issuing MPI reset on (%ld).\n", vha->host_no);
 533
 534                 /* Make sure FC side is not in reset */
 535                 qla2x00_wait_for_hba_online(vha);
 536
 537                 /* Issue MPI reset */
 538                 scsi_block_requests(vha->host);
 539                 if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
 540                         qla_printk(KERN_WARNING, ha,
 541                             "MPI reset failed on (%ld).\n", vha->host_no);
 542                 scsi_unblock_requests(vha->host);
 543                 break;
 544         }
 545         return count;
 546 }
 547
 548 static struct bin_attribute sysfs_reset_attr = {
 549         .attr = {
 550                 .name = "reset",
 551                 .mode = S_IWUSR,
 552         },
 553         .size = 0,
 554         .write = qla2x00_sysfs_write_reset,
 555 };
 556
 557 static ssize_t
 558 qla2x00_sysfs_write_edc(struct kobject *kobj,
 559                         struct bin_attribute *bin_attr,
 560                         char *buf, loff_t off, size_t count)
 561 {
 562         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 563             struct device, kobj)));
 564         struct qla_hw_data *ha = vha->hw;
 565         uint16_t dev, adr, opt, len;
 566         int rval;
 567
 568         ha->edc_data_len = 0;
 569
 570         if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8)
 571                 return 0;
 572
 573         if (!ha->edc_data) {
 574                 ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
 575                     &ha->edc_data_dma);
 576                 if (!ha->edc_data) {
 577                         DEBUG2(qla_printk(KERN_INFO, ha,
 578                             "Unable to allocate memory for EDC write.\n"));
 579                         return 0;
 580                 }
 581         }
 582
 583         dev = le16_to_cpup((void *)&buf[0]);
 584         adr = le16_to_cpup((void *)&buf[2]);
 585         opt = le16_to_cpup((void *)&buf[4]);
 586         len = le16_to_cpup((void *)&buf[6]);
 587
 588         if (!(opt & BIT_0))
 589                 if (len == 0 || len > DMA_POOL_SIZE || len > count - 8)
 590                         return -EINVAL;
 591
 592         memcpy(ha->edc_data, &buf[8], len);
 593
 594         rval = qla2x00_write_edc(vha, dev, adr, ha->edc_data_dma,
 595             ha->edc_data, len, opt);
 596         if (rval != QLA_SUCCESS) {
 597                 DEBUG2(qla_printk(KERN_INFO, ha,
 598                     "Unable to write EDC (%x) %02x:%02x:%04x:%02x:%02x.\n",
 599                     rval, dev, adr, opt, len, *buf));
 600                 return 0;
 601         }
 602
 603         return count;
 604 }
 605
 606 static struct bin_attribute sysfs_edc_attr = {
 607         .attr = {
 608                 .name = "edc",
 609                 .mode = S_IWUSR,
 610         },
 611         .size = 0,
 612         .write = qla2x00_sysfs_write_edc,
 613 };
 614
 615 static ssize_t
 616 qla2x00_sysfs_write_edc_status(struct kobject *kobj,
 617                         struct bin_attribute *bin_attr,
 618                         char *buf, loff_t off, size_t count)
 619 {
 620         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 621             struct device, kobj)));
 622         struct qla_hw_data *ha = vha->hw;
 623         uint16_t dev, adr, opt, len;
 624         int rval;
 625
 626         ha->edc_data_len = 0;
 627
 628         if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8)
 629                 return 0;
 630
 631         if (!ha->edc_data) {
 632                 ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
 633                     &ha->edc_data_dma);
 634                 if (!ha->edc_data) {
 635                         DEBUG2(qla_printk(KERN_INFO, ha,
 636                             "Unable to allocate memory for EDC status.\n"));
 637                         return 0;
 638                 }
 639         }
 640
 641         dev = le16_to_cpup((void *)&buf[0]);
 642         adr = le16_to_cpup((void *)&buf[2]);
 643         opt = le16_to_cpup((void *)&buf[4]);
 644         len = le16_to_cpup((void *)&buf[6]);
 645
 646         if (!(opt & BIT_0))
 647                 if (len == 0 || len > DMA_POOL_SIZE)
 648                         return -EINVAL;
 649
 650         memset(ha->edc_data, 0, len);
 651         rval = qla2x00_read_edc(vha, dev, adr, ha->edc_data_dma,
 652             ha->edc_data, len, opt);
 653         if (rval != QLA_SUCCESS) {
 654                 DEBUG2(qla_printk(KERN_INFO, ha,
 655                     "Unable to write EDC status (%x) %02x:%02x:%04x:%02x.\n",
 656                     rval, dev, adr, opt, len));
 657                 return 0;
 658         }
 659
 660         ha->edc_data_len = len;
 661
 662         return count;
 663 }
 664
 665 static ssize_t
 666 qla2x00_sysfs_read_edc_status(struct kobject *kobj,
 667                            struct bin_attribute *bin_attr,
 668                            char *buf, loff_t off, size_t count)
 669 {
 670         struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 671             struct device, kobj)));
 672         struct qla_hw_data *ha = vha->hw;
 673
 674         if (!capable(CAP_SYS_ADMIN) || off != 0 || count == 0)
 675                 return 0;
 676
 677         if (!ha->edc_data || ha->edc_data_len == 0 || ha->edc_data_len > count)
 678                 return -EINVAL;
 679
 680         memcpy(buf, ha->edc_data, ha->edc_data_len);
 681
 682         return ha->edc_data_len;
 683 }
 684
 685 static struct bin_attribute sysfs_edc_status_attr = {
 686         .attr = {
 687                 .name = "edc_status",
 688                 .mode = S_IRUSR | S_IWUSR,
 689         },
 690         .size = 0,
 691         .write = qla2x00_sysfs_write_edc_status,
 692         .read = qla2x00_sysfs_read_edc_status,
 693 };
 694
 695 static struct sysfs_entry {
 696         char *name;
 697         struct bin_attribute *attr;
 698         int is4GBp_only;
 699 } bin_file_entries[] = {
 700         { "fw_dump", &sysfs_fw_dump_attr, },
 701         { "nvram", &sysfs_nvram_attr, },
 702         { "optrom", &sysfs_optrom_attr, },
 703         { "optrom_ctl", &sysfs_optrom_ctl_attr, },
 704         { "vpd", &sysfs_vpd_attr, 1 },
 705         { "sfp", &sysfs_sfp_attr, 1 },
 706         { "reset", &sysfs_reset_attr, },
 707         { "edc", &sysfs_edc_attr, 2 },
 708         { "edc_status", &sysfs_edc_status_attr, 2 },
 709         { NULL },
 710 };
 711
 712 void
 713 qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
 714 {
 715         struct Scsi_Host *host = vha->host;
 716         struct sysfs_entry *iter;
 717         int ret;
 718
 719         for (iter = bin_file_entries; iter->name; iter++) {
 720                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
 721                         continue;
 722                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
 723                         continue;
 724
 725                 ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
 726                     iter->attr);
 727                 if (ret)
 728                         qla_printk(KERN_INFO, vha->hw,
 729                             "Unable to create sysfs %s binary attribute "
 730                             "(%d).\n", iter->name, ret);
 731         }
 732 }
 733
 734 void
 735 qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
 736 {
 737         struct Scsi_Host *host = vha->host;
 738         struct sysfs_entry *iter;
 739         struct qla_hw_data *ha = vha->hw;
 740
 741         for (iter = bin_file_entries; iter->name; iter++) {
 742                 if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
 743                         continue;
 744                 if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
 745                         continue;
 746
 747                 sysfs_remove_bin_file(&host->shost_gendev.kobj,
 748                     iter->attr);
 749         }
 750
 751         if (ha->beacon_blink_led == 1)
 752                 ha->isp_ops->beacon_off(vha);
 753 }
 754
 755 /* Scsi_Host attributes. */
 756
 757 static ssize_t
 758 qla2x00_drvr_version_show(struct device *dev,
 759                           struct device_attribute *attr, char *buf)
 760 {
 761         return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
 762 }
 763
 764 static ssize_t
 765 qla2x00_fw_version_show(struct device *dev,
 766                         struct device_attribute *attr, char *buf)
 767 {
 768         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 769         struct qla_hw_data *ha = vha->hw;
 770         char fw_str[128];
 771
 772         return snprintf(buf, PAGE_SIZE, "%s\n",
 773             ha->isp_ops->fw_version_str(vha, fw_str));
 774 }
 775
 776 static ssize_t
 777 qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
 778                         char *buf)
 779 {
 780         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 781         struct qla_hw_data *ha = vha->hw;
 782         uint32_t sn;
 783
 784         if (IS_FWI2_CAPABLE(ha)) {
 785                 qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE);
 786                 return snprintf(buf, PAGE_SIZE, "%s\n", buf);
 787         }
 788
 789         sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
 790         return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
 791             sn % 100000);
 792 }
 793
 794 static ssize_t
 795 qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
 796                       char *buf)
 797 {
 798         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 799         return snprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
 800 }
 801
 802 static ssize_t
 803 qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
 804                     char *buf)
 805 {
 806         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 807         struct qla_hw_data *ha = vha->hw;
 808         return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
 809             ha->product_id[0], ha->product_id[1], ha->product_id[2],
 810             ha->product_id[3]);
 811 }
 812
 813 static ssize_t
 814 qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
 815                         char *buf)
 816 {
 817         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 818         return snprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
 819 }
 820
 821 static ssize_t
 822 qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
 823                         char *buf)
 824 {
 825         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 826         return snprintf(buf, PAGE_SIZE, "%s\n",
 827             vha->hw->model_desc ? vha->hw->model_desc : "");
 828 }
 829
 830 static ssize_t
 831 qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
 832                       char *buf)
 833 {
 834         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 835         char pci_info[30];
 836
 837         return snprintf(buf, PAGE_SIZE, "%s\n",
 838             vha->hw->isp_ops->pci_info_str(vha, pci_info));
 839 }
 840
 841 static ssize_t
 842 qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
 843                         char *buf)
 844 {
 845         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 846         struct qla_hw_data *ha = vha->hw;
 847         int len = 0;
 848
 849         if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
 850             atomic_read(&vha->loop_state) == LOOP_DEAD)
 851                 len = snprintf(buf, PAGE_SIZE, "Link Down\n");
 852         else if (atomic_read(&vha->loop_state) != LOOP_READY ||
 853             test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
 854             test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
 855                 len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
 856         else {
 857                 len = snprintf(buf, PAGE_SIZE, "Link Up - ");
 858
 859                 switch (ha->current_topology) {
 860                 case ISP_CFG_NL:
 861                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 862                         break;
 863                 case ISP_CFG_FL:
 864                         len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
 865                         break;
 866                 case ISP_CFG_N:
 867                         len += snprintf(buf + len, PAGE_SIZE-len,
 868                             "N_Port to N_Port\n");
 869                         break;
 870                 case ISP_CFG_F:
 871                         len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
 872                         break;
 873                 default:
 874                         len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
 875                         break;
 876                 }
 877         }
 878         return len;
 879 }
 880
 881 static ssize_t
 882 qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
 883                  char *buf)
 884 {
 885         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 886         int len = 0;
 887
 888         switch (vha->hw->zio_mode) {
 889         case QLA_ZIO_MODE_6:
 890                 len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
 891                 break;
 892         case QLA_ZIO_DISABLED:
 893                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 894                 break;
 895         }
 896         return len;
 897 }
 898
 899 static ssize_t
 900 qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
 901                   const char *buf, size_t count)
 902 {
 903         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 904         struct qla_hw_data *ha = vha->hw;
 905         int val = 0;
 906         uint16_t zio_mode;
 907
 908         if (!IS_ZIO_SUPPORTED(ha))
 909                 return -ENOTSUPP;
 910
 911         if (sscanf(buf, "%d", &val) != 1)
 912                 return -EINVAL;
 913
 914         if (val)
 915                 zio_mode = QLA_ZIO_MODE_6;
 916         else
 917                 zio_mode = QLA_ZIO_DISABLED;
 918
 919         /* Update per-hba values and queue a reset. */
 920         if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
 921                 ha->zio_mode = zio_mode;
 922                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 923         }
 924         return strlen(buf);
 925 }
 926
 927 static ssize_t
 928 qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
 929                        char *buf)
 930 {
 931         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 932
 933         return snprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
 934 }
 935
 936 static ssize_t
 937 qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
 938                         const char *buf, size_t count)
 939 {
 940         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 941         int val = 0;
 942         uint16_t zio_timer;
 943
 944         if (sscanf(buf, "%d", &val) != 1)
 945                 return -EINVAL;
 946         if (val > 25500 || val < 100)
 947                 return -ERANGE;
 948
 949         zio_timer = (uint16_t)(val / 100);
 950         vha->hw->zio_timer = zio_timer;
 951
 952         return strlen(buf);
 953 }
 954
 955 static ssize_t
 956 qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
 957                     char *buf)
 958 {
 959         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 960         int len = 0;
 961
 962         if (vha->hw->beacon_blink_led)
 963                 len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
 964         else
 965                 len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
 966         return len;
 967 }
 968
 969 static ssize_t
 970 qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
 971                      const char *buf, size_t count)
 972 {
 973         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
 974         struct qla_hw_data *ha = vha->hw;
 975         int val = 0;
 976         int rval;
 977
 978         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 979                 return -EPERM;
 980
 981         if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
 982                 qla_printk(KERN_WARNING, ha,
 983                     "Abort ISP active -- ignoring beacon request.\n");
 984                 return -EBUSY;
 985         }
 986
 987         if (sscanf(buf, "%d", &val) != 1)
 988                 return -EINVAL;
 989
 990         if (val)
 991                 rval = ha->isp_ops->beacon_on(vha);
 992         else
 993                 rval = ha->isp_ops->beacon_off(vha);
 994
 995         if (rval != QLA_SUCCESS)
 996                 count = 0;
 997
 998         return count;
 999 }
1000
1001 static ssize_t
1002 qla2x00_optrom_bios_version_show(struct device *dev,
1003                                  struct device_attribute *attr, char *buf)
1004 {
1005         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1006         struct qla_hw_data *ha = vha->hw;
1007         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
1008             ha->bios_revision[0]);
1009 }
1010
1011 static ssize_t
1012 qla2x00_optrom_efi_version_show(struct device *dev,
1013                                 struct device_attribute *attr, char *buf)
1014 {
1015         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1016         struct qla_hw_data *ha = vha->hw;
1017         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
1018             ha->efi_revision[0]);
1019 }
1020
1021 static ssize_t
1022 qla2x00_optrom_fcode_version_show(struct device *dev,
1023                                   struct device_attribute *attr, char *buf)
1024 {
1025         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1026         struct qla_hw_data *ha = vha->hw;
1027         return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
1028             ha->fcode_revision[0]);
1029 }
1030
1031 static ssize_t
1032 qla2x00_optrom_fw_version_show(struct device *dev,
1033                                struct device_attribute *attr, char *buf)
1034 {
1035         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1036         struct qla_hw_data *ha = vha->hw;
1037         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
1038             ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
1039             ha->fw_revision[3]);
1040 }
1041
1042 static ssize_t
1043 qla2x00_total_isp_aborts_show(struct device *dev,
1044                               struct device_attribute *attr, char *buf)
1045 {
1046         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1047         struct qla_hw_data *ha = vha->hw;
1048         return snprintf(buf, PAGE_SIZE, "%d\n",
1049             ha->qla_stats.total_isp_aborts);
1050 }
1051
1052 static ssize_t
1053 qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
1054     char *buf)
1055 {
1056         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1057         struct qla_hw_data *ha = vha->hw;
1058
1059         if (!IS_QLA81XX(ha))
1060                 return snprintf(buf, PAGE_SIZE, "\n");
1061
1062         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
1063             ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
1064             ha->mpi_capabilities);
1065 }
1066
1067 static ssize_t
1068 qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
1069     char *buf)
1070 {
1071         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1072         struct qla_hw_data *ha = vha->hw;
1073
1074         if (!IS_QLA81XX(ha))
1075                 return snprintf(buf, PAGE_SIZE, "\n");
1076
1077         return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
1078             ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
1079 }
1080
1081 static ssize_t
1082 qla2x00_flash_block_size_show(struct device *dev,
1083                               struct device_attribute *attr, char *buf)
1084 {
1085         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
1086         struct qla_hw_data *ha = vha->hw;
1087
1088         return snprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
1089 }
1090
1091 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
1092 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
1093 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
1094 static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
1095 static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
1096 static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
1097 static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
1098 static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
1099 static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
1100 static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
1101 static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
1102                    qla2x00_zio_timer_store);
1103 static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
1104                    qla2x00_beacon_store);
1105 static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
1106                    qla2x00_optrom_bios_version_show, NULL);
1107 static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
1108                    qla2x00_optrom_efi_version_show, NULL);
1109 static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
1110                    qla2x00_optrom_fcode_version_show, NULL);
1111 static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
1112                    NULL);
1113 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
1114                    NULL);
1115 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
1116 static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
1117 static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
1118                    NULL);
1119
1120 struct device_attribute *qla2x00_host_attrs[] = {
1121         &dev_attr_driver_version,
1122         &dev_attr_fw_version,
1123         &dev_attr_serial_num,
1124         &dev_attr_isp_name,
1125         &dev_attr_isp_id,
1126         &dev_attr_model_name,
1127         &dev_attr_model_desc,
1128         &dev_attr_pci_info,
1129         &dev_attr_link_state,
1130         &dev_attr_zio,
1131         &dev_attr_zio_timer,
1132         &dev_attr_beacon,
1133         &dev_attr_optrom_bios_version,
1134         &dev_attr_optrom_efi_version,
1135         &dev_attr_optrom_fcode_version,
1136         &dev_attr_optrom_fw_version,
1137         &dev_attr_total_isp_aborts,
1138         &dev_attr_mpi_version,
1139         &dev_attr_phy_version,
1140         &dev_attr_flash_block_size,
1141         NULL,
1142 };
1143
1144 /* Host attributes. */
1145
1146 static void
1147 qla2x00_get_host_port_id(struct Scsi_Host *shost)
1148 {
1149         scsi_qla_host_t *vha = shost_priv(shost);
1150
1151         fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
1152             vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
1153 }
1154
1155 static void
1156 qla2x00_get_host_speed(struct Scsi_Host *shost)
1157 {
1158         struct qla_hw_data *ha = ((struct scsi_qla_host *)
1159                                         (shost_priv(shost)))->hw;
1160         u32 speed = FC_PORTSPEED_UNKNOWN;
1161
1162         switch (ha->link_data_rate) {
1163         case PORT_SPEED_1GB:
1164                 speed = FC_PORTSPEED_1GBIT;
1165                 break;
1166         case PORT_SPEED_2GB:
1167                 speed = FC_PORTSPEED_2GBIT;
1168                 break;
1169         case PORT_SPEED_4GB:
1170                 speed = FC_PORTSPEED_4GBIT;
1171                 break;
1172         case PORT_SPEED_8GB:
1173                 speed = FC_PORTSPEED_8GBIT;
1174                 break;
1175         case PORT_SPEED_10GB:
1176                 speed = FC_PORTSPEED_10GBIT;
1177                 break;
1178         }
1179         fc_host_speed(shost) = speed;
1180 }
1181
1182 static void
1183 qla2x00_get_host_port_type(struct Scsi_Host *shost)
1184 {
1185         scsi_qla_host_t *vha = shost_priv(shost);
1186         uint32_t port_type = FC_PORTTYPE_UNKNOWN;
1187
1188         if (vha->vp_idx) {
1189                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1190                 return;
1191         }
1192         switch (vha->hw->current_topology) {
1193         case ISP_CFG_NL:
1194                 port_type = FC_PORTTYPE_LPORT;
1195                 break;
1196         case ISP_CFG_FL:
1197                 port_type = FC_PORTTYPE_NLPORT;
1198                 break;
1199         case ISP_CFG_N:
1200                 port_type = FC_PORTTYPE_PTP;
1201                 break;
1202         case ISP_CFG_F:
1203                 port_type = FC_PORTTYPE_NPORT;
1204                 break;
1205         }
1206         fc_host_port_type(shost) = port_type;
1207 }
1208
1209 static void
1210 qla2x00_get_starget_node_name(struct scsi_target *starget)
1211 {
1212         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1213         scsi_qla_host_t *vha = shost_priv(host);
1214         fc_port_t *fcport;
1215         u64 node_name = 0;
1216
1217         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1218                 if (fcport->rport &&
1219                     starget->id == fcport->rport->scsi_target_id) {
1220                         node_name = wwn_to_u64(fcport->node_name);
1221                         break;
1222                 }
1223         }
1224
1225         fc_starget_node_name(starget) = node_name;
1226 }
1227
1228 static void
1229 qla2x00_get_starget_port_name(struct scsi_target *starget)
1230 {
1231         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1232         scsi_qla_host_t *vha = shost_priv(host);
1233         fc_port_t *fcport;
1234         u64 port_name = 0;
1235
1236         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1237                 if (fcport->rport &&
1238                     starget->id == fcport->rport->scsi_target_id) {
1239                         port_name = wwn_to_u64(fcport->port_name);
1240                         break;
1241                 }
1242         }
1243
1244         fc_starget_port_name(starget) = port_name;
1245 }
1246
1247 static void
1248 qla2x00_get_starget_port_id(struct scsi_target *starget)
1249 {
1250         struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
1251         scsi_qla_host_t *vha = shost_priv(host);
1252         fc_port_t *fcport;
1253         uint32_t port_id = ~0U;
1254
1255         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1256                 if (fcport->rport &&
1257                     starget->id == fcport->rport->scsi_target_id) {
1258                         port_id = fcport->d_id.b.domain << 16 |
1259                             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
1260                         break;
1261                 }
1262         }
1263
1264         fc_starget_port_id(starget) = port_id;
1265 }
1266
1267 static void
1268 qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1269 {
1270         if (timeout)
1271                 rport->dev_loss_tmo = timeout;
1272         else
1273                 rport->dev_loss_tmo = 1;
1274 }
1275
1276 static void
1277 qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
1278 {
1279         struct Scsi_Host *host = rport_to_shost(rport);
1280         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1281
1282         if (!fcport)
1283                 return;
1284
1285         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev)))
1286                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1287         else
1288                 qla2x00_abort_fcport_cmds(fcport);
1289
1290         /*
1291          * Transport has effectively 'deleted' the rport, clear
1292          * all local references.
1293          */
1294         spin_lock_irq(host->host_lock);
1295         fcport->rport = NULL;
1296         *((fc_port_t **)rport->dd_data) = NULL;
1297         spin_unlock_irq(host->host_lock);
1298 }
1299
1300 static void
1301 qla2x00_terminate_rport_io(struct fc_rport *rport)
1302 {
1303         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1304
1305         if (!fcport)
1306                 return;
1307
1308         if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
1309                 qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
1310                 return;
1311         }
1312         /*
1313          * At this point all fcport's software-states are cleared.  Perform any
1314          * final cleanup of firmware resources (PCBs and XCBs).
1315          */
1316         if (fcport->loop_id != FC_NO_LOOP_ID)
1317                 fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
1318                         fcport->loop_id, fcport->d_id.b.domain,
1319                         fcport->d_id.b.area, fcport->d_id.b.al_pa);
1320
1321         qla2x00_abort_fcport_cmds(fcport);
1322 }
1323
1324 static int
1325 qla2x00_issue_lip(struct Scsi_Host *shost)
1326 {
1327         scsi_qla_host_t *vha = shost_priv(shost);
1328
1329         qla2x00_loop_reset(vha);
1330         return 0;
1331 }
1332
1333 static struct fc_host_statistics *
1334 qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1335 {
1336         scsi_qla_host_t *vha = shost_priv(shost);
1337         struct qla_hw_data *ha = vha->hw;
1338         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1339         int rval;
1340         struct link_statistics *stats;
1341         dma_addr_t stats_dma;
1342         struct fc_host_statistics *pfc_host_stat;
1343
1344         pfc_host_stat = &ha->fc_host_stat;
1345         memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
1346
1347         stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
1348         if (stats == NULL) {
1349                 DEBUG2_3_11(printk("%s(%ld): Failed to allocate memory.\n",
1350                     __func__, base_vha->host_no));
1351                 goto done;
1352         }
1353         memset(stats, 0, DMA_POOL_SIZE);
1354
1355         rval = QLA_FUNCTION_FAILED;
1356         if (IS_FWI2_CAPABLE(ha)) {
1357                 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
1358         } else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
1359                     !test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) &&
1360                     !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1361                     !ha->dpc_active) {
1362                 /* Must be in a 'READY' state for statistics retrieval. */
1363                 rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
1364                                                 stats, stats_dma);
1365         }
1366
1367         if (rval != QLA_SUCCESS)
1368                 goto done_free;
1369
1370         pfc_host_stat->link_failure_count = stats->link_fail_cnt;
1371         pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
1372         pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
1373         pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
1374         pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
1375         pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
1376         if (IS_FWI2_CAPABLE(ha)) {
1377                 pfc_host_stat->lip_count = stats->lip_cnt;
1378                 pfc_host_stat->tx_frames = stats->tx_frames;
1379                 pfc_host_stat->rx_frames = stats->rx_frames;
1380                 pfc_host_stat->dumped_frames = stats->dumped_frames;
1381                 pfc_host_stat->nos_count = stats->nos_rcvd;
1382         }
1383         pfc_host_stat->fcp_input_megabytes = ha->qla_stats.input_bytes >> 20;
1384         pfc_host_stat->fcp_output_megabytes = ha->qla_stats.output_bytes >> 20;
1385
1386 done_free:
1387         dma_pool_free(ha->s_dma_pool, stats, stats_dma);
1388 done:
1389         return pfc_host_stat;
1390 }
1391
1392 static void
1393 qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
1394 {
1395         scsi_qla_host_t *vha = shost_priv(shost);
1396
1397         qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost));
1398 }
1399
1400 static void
1401 qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
1402 {
1403         scsi_qla_host_t *vha = shost_priv(shost);
1404
1405         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1406 }
1407
1408 static void
1409 qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
1410 {
1411         scsi_qla_host_t *vha = shost_priv(shost);
1412         u64 node_name;
1413
1414         if (vha->device_flags & SWITCH_FOUND)
1415                 node_name = wwn_to_u64(vha->fabric_node_name);
1416         else
1417                 node_name = wwn_to_u64(vha->node_name);
1418
1419         fc_host_fabric_name(shost) = node_name;
1420 }
1421
1422 static void
1423 qla2x00_get_host_port_state(struct Scsi_Host *shost)
1424 {
1425         scsi_qla_host_t *vha = shost_priv(shost);
1426         struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
1427
1428         if (!base_vha->flags.online)
1429                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1430         else if (atomic_read(&base_vha->loop_state) == LOOP_TIMEOUT)
1431                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1432         else
1433                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1434 }
1435
1436 static int
1437 qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
1438 {
1439         int     ret = 0;
1440         int     cnt = 0;
1441         uint8_t qos = QLA_DEFAULT_QUE_QOS;
1442         scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
1443         scsi_qla_host_t *vha = NULL;
1444         struct qla_hw_data *ha = base_vha->hw;
1445
1446         ret = qla24xx_vport_create_req_sanity_check(fc_vport);
1447         if (ret) {
1448                 DEBUG15(printk("qla24xx_vport_create_req_sanity_check failed, "
1449                     "status %x\n", ret));
1450                 return (ret);
1451         }
1452
1453         vha = qla24xx_create_vhost(fc_vport);
1454         if (vha == NULL) {
1455                 DEBUG15(printk ("qla24xx_create_vhost failed, vha = %p\n",
1456                     vha));
1457                 return FC_VPORT_FAILED;
1458         }
1459         if (disable) {
1460                 atomic_set(&vha->vp_state, VP_OFFLINE);
1461                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
1462         } else
1463                 atomic_set(&vha->vp_state, VP_FAILED);
1464
1465         /* ready to create vport */
1466         qla_printk(KERN_INFO, vha->hw, "VP entry id %d assigned.\n",
1467                                                         vha->vp_idx);
1468
1469         /* initialized vport states */
1470         atomic_set(&vha->loop_state, LOOP_DOWN);
1471         vha->vp_err_state=  VP_ERR_PORTDWN;
1472         vha->vp_prev_err_state=  VP_ERR_UNKWN;
1473         /* Check if physical ha port is Up */
1474         if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
1475             atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1476                 /* Don't retry or attempt login of this virtual port */
1477                 DEBUG15(printk ("scsi(%ld): pport loop_state is not UP.\n",
1478                     base_vha->host_no));
1479                 atomic_set(&vha->loop_state, LOOP_DEAD);
1480                 if (!disable)
1481                         fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
1482         }
1483
1484         if (scsi_add_host(vha->host, &fc_vport->dev)) {
1485                 DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n",
1486                         vha->host_no, vha->vp_idx));
1487                 goto vport_create_failed_2;
1488         }
1489
1490         /* initialize attributes */
1491         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1492         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1493         fc_host_supported_classes(vha->host) =
1494                 fc_host_supported_classes(base_vha->host);
1495         fc_host_supported_speeds(vha->host) =
1496                 fc_host_supported_speeds(base_vha->host);
1497
1498         qla24xx_vport_disable(fc_vport, disable);
1499
1500         /* Create a queue pair for the vport */
1501         if (ha->mqenable) {
1502                 if (ha->npiv_info) {
1503                         for (; cnt < ha->nvram_npiv_size; cnt++) {
1504                                 if (ha->npiv_info[cnt].port_name ==
1505                                         vha->port_name &&
1506                                         ha->npiv_info[cnt].node_name ==
1507                                         vha->node_name) {
1508                                         qos = ha->npiv_info[cnt].q_qos;
1509                                         break;
1510                                 }
1511                         }
1512                 }
1513                 qla25xx_create_queues(vha, qos);
1514         }
1515
1516         return 0;
1517 vport_create_failed_2:
1518         qla24xx_disable_vp(vha);
1519         qla24xx_deallocate_vp_id(vha);
1520         scsi_host_put(vha->host);
1521         return FC_VPORT_FAILED;
1522 }
1523
1524 static int
1525 qla24xx_vport_delete(struct fc_vport *fc_vport)
1526 {
1527         scsi_qla_host_t *vha = fc_vport->dd_data;
1528         fc_port_t *fcport, *tfcport;
1529         struct qla_hw_data *ha = vha->hw;
1530         uint16_t id = vha->vp_idx;
1531
1532         while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
1533             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
1534                 msleep(1000);
1535
1536         qla24xx_disable_vp(vha);
1537
1538         fc_remove_host(vha->host);
1539
1540         scsi_remove_host(vha->host);
1541
1542         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
1543                 list_del(&fcport->list);
1544                 kfree(fcport);
1545                 fcport = NULL;
1546         }
1547
1548         qla24xx_deallocate_vp_id(vha);
1549
1550         if (vha->timer_active) {
1551                 qla2x00_vp_stop_timer(vha);
1552                 DEBUG15(printk ("scsi(%ld): timer for the vport[%d] = %p "
1553                     "has stopped\n",
1554                     vha->host_no, vha->vp_idx, vha));
1555         }
1556
1557         if (ha->mqenable) {
1558                 if (qla25xx_delete_queues(vha, 0) != QLA_SUCCESS)
1559                         qla_printk(KERN_WARNING, ha,
1560                                 "Queue delete failed.\n");
1561         }
1562
1563         scsi_host_put(vha->host);
1564         qla_printk(KERN_INFO, ha, "vport %d deleted\n", id);
1565         return 0;
1566 }
1567
1568 static int
1569 qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
1570 {
1571         scsi_qla_host_t *vha = fc_vport->dd_data;
1572
1573         if (disable)
1574                 qla24xx_disable_vp(vha);
1575         else
1576                 qla24xx_enable_vp(vha);
1577
1578         return 0;
1579 }
1580
1581 struct fc_function_template qla2xxx_transport_functions = {
1582
1583         .show_host_node_name = 1,
1584         .show_host_port_name = 1,
1585         .show_host_supported_classes = 1,
1586         .show_host_supported_speeds = 1,
1587
1588         .get_host_port_id = qla2x00_get_host_port_id,
1589         .show_host_port_id = 1,
1590         .get_host_speed = qla2x00_get_host_speed,
1591         .show_host_speed = 1,
1592         .get_host_port_type = qla2x00_get_host_port_type,
1593         .show_host_port_type = 1,
1594         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
1595         .show_host_symbolic_name = 1,
1596         .set_host_system_hostname = qla2x00_set_host_system_hostname,
1597         .show_host_system_hostname = 1,
1598         .get_host_fabric_name = qla2x00_get_host_fabric_name,
1599         .show_host_fabric_name = 1,
1600         .get_host_port_state = qla2x00_get_host_port_state,
1601         .show_host_port_state = 1,
1602
1603         .dd_fcrport_size = sizeof(struct fc_port *),
1604         .show_rport_supported_classes = 1,
1605
1606         .get_starget_node_name = qla2x00_get_starget_node_name,
1607         .show_starget_node_name = 1,
1608         .get_starget_port_name = qla2x00_get_starget_port_name,
1609         .show_starget_port_name = 1,
1610         .get_starget_port_id  = qla2x00_get_starget_port_id,
1611         .show_starget_port_id = 1,
1612
1613         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
1614         .show_rport_dev_loss_tmo = 1,
1615
1616         .issue_fc_host_lip = qla2x00_issue_lip,
1617         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
1618         .terminate_rport_io = qla2x00_terminate_rport_io,
1619         .get_fc_host_stats = qla2x00_get_fc_host_stats,
1620
1621         .vport_create = qla24xx_vport_create,
1622         .vport_disable = qla24xx_vport_disable,
1623         .vport_delete = qla24xx_vport_delete,
1624 };
1625
1626 struct fc_function_template qla2xxx_transport_vport_functions = {
1627
1628         .show_host_node_name = 1,
1629         .show_host_port_name = 1,
1630         .show_host_supported_classes = 1,
1631
1632         .get_host_port_id = qla2x00_get_host_port_id,
1633         .show_host_port_id = 1,
1634         .get_host_speed = qla2x00_get_host_speed,
1635         .show_host_speed = 1,
1636         .get_host_port_type = qla2x00_get_host_port_type,
1637         .show_host_port_type = 1,
1638         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
1639         .show_host_symbolic_name = 1,
1640         .set_host_system_hostname = qla2x00_set_host_system_hostname,
1641         .show_host_system_hostname = 1,
1642         .get_host_fabric_name = qla2x00_get_host_fabric_name,
1643         .show_host_fabric_name = 1,
1644         .get_host_port_state = qla2x00_get_host_port_state,
1645         .show_host_port_state = 1,
1646
1647         .dd_fcrport_size = sizeof(struct fc_port *),
1648         .show_rport_supported_classes = 1,
1649
1650         .get_starget_node_name = qla2x00_get_starget_node_name,
1651         .show_starget_node_name = 1,
1652         .get_starget_port_name = qla2x00_get_starget_port_name,
1653         .show_starget_port_name = 1,
1654         .get_starget_port_id  = qla2x00_get_starget_port_id,
1655         .show_starget_port_id = 1,
1656
1657         .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
1658         .show_rport_dev_loss_tmo = 1,
1659
1660         .issue_fc_host_lip = qla2x00_issue_lip,
1661         .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
1662         .terminate_rport_io = qla2x00_terminate_rport_io,
1663         .get_fc_host_stats = qla2x00_get_fc_host_stats,
1664 };
1665
1666 void
1667 qla2x00_init_host_attr(scsi_qla_host_t *vha)
1668 {
1669         struct qla_hw_data *ha = vha->hw;
1670         u32 speed = FC_PORTSPEED_UNKNOWN;
1671
1672         fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
1673         fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
1674         fc_host_supported_classes(vha->host) = FC_COS_CLASS3;
1675         fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
1676         fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
1677
1678         if (IS_QLA81XX(ha))
1679                 speed = FC_PORTSPEED_10GBIT;
1680         else if (IS_QLA25XX(ha))
1681                 speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
1682                     FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
1683         else if (IS_QLA24XX_TYPE(ha))
1684                 speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
1685                     FC_PORTSPEED_1GBIT;
1686         else if (IS_QLA23XX(ha))
1687                 speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
1688         else
1689                 speed = FC_PORTSPEED_1GBIT;
1690         fc_host_supported_speeds(vha->host) = speed;
1691 }