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   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 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/vmalloc.h>
  12
  13 #include "qla_devtbl.h"
  14
  15 #ifdef CONFIG_SPARC
  16 #include <asm/prom.h>
  17 #endif
  18
  19 /*
  20 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  21 */
  22 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  23 static int qla2x00_setup_chip(scsi_qla_host_t *);
  24 static int qla2x00_init_rings(scsi_qla_host_t *);
  25 static int qla2x00_fw_ready(scsi_qla_host_t *);
  26 static int qla2x00_configure_hba(scsi_qla_host_t *);
  27 static int qla2x00_configure_loop(scsi_qla_host_t *);
  28 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  29 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  30 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  31 static int qla2x00_device_resync(scsi_qla_host_t *);
  32 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  33     uint16_t *);
  34
  35 static int qla2x00_restart_isp(scsi_qla_host_t *);
  36
  37 static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
  38
  39 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  40 static int qla84xx_init_chip(scsi_qla_host_t *);
  41 static int qla25xx_init_queues(struct qla_hw_data *);
  42
  43 /* SRB Extensions ---------------------------------------------------------- */
  44
  45 static void
  46 qla2x00_ctx_sp_timeout(unsigned long __data)
  47 {
  48         srb_t *sp = (srb_t *)__data;
  49         struct srb_ctx *ctx;
  50         fc_port_t *fcport = sp->fcport;
  51         struct qla_hw_data *ha = fcport->vha->hw;
  52         struct req_que *req;
  53         unsigned long flags;
  54
  55         spin_lock_irqsave(&ha->hardware_lock, flags);
  56         req = ha->req_q_map[0];
  57         req->outstanding_cmds[sp->handle] = NULL;
  58         ctx = sp->ctx;
  59         ctx->timeout(sp);
  60         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  61
  62         ctx->free(sp);
  63 }
  64
  65 void
  66 qla2x00_ctx_sp_free(srb_t *sp)
  67 {
  68         struct srb_ctx *ctx = sp->ctx;
  69
  70         kfree(ctx);
  71         mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
  72 }
  73
  74 inline srb_t *
  75 qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
  76     unsigned long tmo)
  77 {
  78         srb_t *sp;
  79         struct qla_hw_data *ha = vha->hw;
  80         struct srb_ctx *ctx;
  81
  82         sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
  83         if (!sp)
  84                 goto done;
  85         ctx = kzalloc(size, GFP_KERNEL);
  86         if (!ctx) {
  87                 mempool_free(sp, ha->srb_mempool);
  88                 goto done;
  89         }
  90
  91         memset(sp, 0, sizeof(*sp));
  92         sp->fcport = fcport;
  93         sp->ctx = ctx;
  94         ctx->free = qla2x00_ctx_sp_free;
  95
  96         init_timer(&ctx->timer);
  97         if (!tmo)
  98                 goto done;
  99         ctx->timer.expires = jiffies + tmo * HZ;
 100         ctx->timer.data = (unsigned long)sp;
 101         ctx->timer.function = qla2x00_ctx_sp_timeout;
 102         add_timer(&ctx->timer);
 103 done:
 104         return sp;
 105 }
 106
 107 /* Asynchronous Login/Logout Routines -------------------------------------- */
 108
 109 #define ELS_TMO_2_RATOV(ha) ((ha)->r_a_tov / 10 * 2)
 110
 111 static void
 112 qla2x00_async_logio_timeout(srb_t *sp)
 113 {
 114         fc_port_t *fcport = sp->fcport;
 115         struct srb_logio *lio = sp->ctx;
 116
 117         DEBUG2(printk(KERN_WARNING
 118             "scsi(%ld:%x): Async-%s timeout.\n",
 119             fcport->vha->host_no, sp->handle,
 120             lio->ctx.type == SRB_LOGIN_CMD ? "login": "logout"));
 121
 122         if (lio->ctx.type == SRB_LOGIN_CMD)
 123                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 124 }
 125
 126 int
 127 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 128     uint16_t *data)
 129 {
 130         struct qla_hw_data *ha = vha->hw;
 131         srb_t *sp;
 132         struct srb_logio *lio;
 133         int rval;
 134
 135         rval = QLA_FUNCTION_FAILED;
 136         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_logio),
 137             ELS_TMO_2_RATOV(ha) + 2);
 138         if (!sp)
 139                 goto done;
 140
 141         lio = sp->ctx;
 142         lio->ctx.type = SRB_LOGIN_CMD;
 143         lio->ctx.timeout = qla2x00_async_logio_timeout;
 144         lio->flags |= SRB_LOGIN_COND_PLOGI;
 145         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 146                 lio->flags |= SRB_LOGIN_RETRIED;
 147         rval = qla2x00_start_sp(sp);
 148         if (rval != QLA_SUCCESS)
 149                 goto done_free_sp;
 150
 151         DEBUG2(printk(KERN_DEBUG
 152             "scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
 153             "retries=%d.\n", fcport->vha->host_no, sp->handle, fcport->loop_id,
 154             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 155             fcport->login_retry));
 156         return rval;
 157
 158 done_free_sp:
 159         del_timer_sync(&lio->ctx.timer);
 160         lio->ctx.free(sp);
 161 done:
 162         return rval;
 163 }
 164
 165 int
 166 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 167 {
 168         struct qla_hw_data *ha = vha->hw;
 169         srb_t *sp;
 170         struct srb_logio *lio;
 171         int rval;
 172
 173         rval = QLA_FUNCTION_FAILED;
 174         sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_logio),
 175             ELS_TMO_2_RATOV(ha) + 2);
 176         if (!sp)
 177                 goto done;
 178
 179         lio = sp->ctx;
 180         lio->ctx.type = SRB_LOGOUT_CMD;
 181         lio->ctx.timeout = qla2x00_async_logio_timeout;
 182         rval = qla2x00_start_sp(sp);
 183         if (rval != QLA_SUCCESS)
 184                 goto done_free_sp;
 185
 186         DEBUG2(printk(KERN_DEBUG
 187             "scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
 188             fcport->vha->host_no, sp->handle, fcport->loop_id,
 189             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
 190         return rval;
 191
 192 done_free_sp:
 193         del_timer_sync(&lio->ctx.timer);
 194         lio->ctx.free(sp);
 195 done:
 196         return rval;
 197 }
 198
 199 int
 200 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 201     uint16_t *data)
 202 {
 203         int rval;
 204         uint8_t opts = 0;
 205
 206         switch (data[0]) {
 207         case MBS_COMMAND_COMPLETE:
 208                 if (fcport->flags & FCF_FCP2_DEVICE)
 209                         opts |= BIT_1;
 210                 rval = qla2x00_get_port_database(vha, fcport, opts);
 211                 if (rval != QLA_SUCCESS)
 212                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 213                 else
 214                         qla2x00_update_fcport(vha, fcport);
 215                 break;
 216         case MBS_COMMAND_ERROR:
 217                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 218                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 219                 else
 220                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 221                 break;
 222         case MBS_PORT_ID_USED:
 223                 fcport->loop_id = data[1];
 224                 qla2x00_post_async_login_work(vha, fcport, NULL);
 225                 break;
 226         case MBS_LOOP_ID_USED:
 227                 fcport->loop_id++;
 228                 rval = qla2x00_find_new_loop_id(vha, fcport);
 229                 if (rval != QLA_SUCCESS) {
 230                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 231                         break;
 232                 }
 233                 qla2x00_post_async_login_work(vha, fcport, NULL);
 234                 break;
 235         }
 236         return QLA_SUCCESS;
 237 }
 238
 239 int
 240 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 241     uint16_t *data)
 242 {
 243         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 244         return QLA_SUCCESS;
 245 }
 246
 247 /****************************************************************************/
 248 /*                QLogic ISP2x00 Hardware Support Functions.                */
 249 /****************************************************************************/
 250
 251 /*
 252 * qla2x00_initialize_adapter
 253 *      Initialize board.
 254 *
 255 * Input:
 256 *      ha = adapter block pointer.
 257 *
 258 * Returns:
 259 *      0 = success
 260 */
 261 int
 262 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 263 {
 264         int     rval;
 265         struct qla_hw_data *ha = vha->hw;
 266         struct req_que *req = ha->req_q_map[0];
 267
 268         /* Clear adapter flags. */
 269         vha->flags.online = 0;
 270         ha->flags.chip_reset_done = 0;
 271         vha->flags.reset_active = 0;
 272         ha->flags.pci_channel_io_perm_failure = 0;
 273         ha->flags.eeh_busy = 0;
 274         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 275         atomic_set(&vha->loop_state, LOOP_DOWN);
 276         vha->device_flags = DFLG_NO_CABLE;
 277         vha->dpc_flags = 0;
 278         vha->flags.management_server_logged_in = 0;
 279         vha->marker_needed = 0;
 280         ha->isp_abort_cnt = 0;
 281         ha->beacon_blink_led = 0;
 282
 283         set_bit(0, ha->req_qid_map);
 284         set_bit(0, ha->rsp_qid_map);
 285
 286         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
 287         rval = ha->isp_ops->pci_config(vha);
 288         if (rval) {
 289                 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
 290                     vha->host_no));
 291                 return (rval);
 292         }
 293
 294         ha->isp_ops->reset_chip(vha);
 295
 296         rval = qla2xxx_get_flash_info(vha);
 297         if (rval) {
 298                 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
 299                     vha->host_no));
 300                 return (rval);
 301         }
 302
 303         ha->isp_ops->get_flash_version(vha, req->ring);
 304
 305         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 306
 307         ha->isp_ops->nvram_config(vha);
 308
 309         if (ha->flags.disable_serdes) {
 310                 /* Mask HBA via NVRAM settings? */
 311                 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
 312                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 313                     vha->port_name[0], vha->port_name[1],
 314                     vha->port_name[2], vha->port_name[3],
 315                     vha->port_name[4], vha->port_name[5],
 316                     vha->port_name[6], vha->port_name[7]);
 317                 return QLA_FUNCTION_FAILED;
 318         }
 319
 320         qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
 321
 322         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 323                 rval = ha->isp_ops->chip_diag(vha);
 324                 if (rval)
 325                         return (rval);
 326                 rval = qla2x00_setup_chip(vha);
 327                 if (rval)
 328                         return (rval);
 329         }
 330         if (IS_QLA84XX(ha)) {
 331                 ha->cs84xx = qla84xx_get_chip(vha);
 332                 if (!ha->cs84xx) {
 333                         qla_printk(KERN_ERR, ha,
 334                             "Unable to configure ISP84XX.\n");
 335                         return QLA_FUNCTION_FAILED;
 336                 }
 337         }
 338         rval = qla2x00_init_rings(vha);
 339         ha->flags.chip_reset_done = 1;
 340
 341         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 342         /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 343                 rval = qla84xx_init_chip(vha);
 344                 if (rval != QLA_SUCCESS) {
 345                         qla_printk(KERN_ERR, ha,
 346                                 "Unable to initialize ISP84XX.\n");
 347                 qla84xx_put_chip(vha);
 348                 }
 349         }
 350
 351         return (rval);
 352 }
 353
 354 /**
 355  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 356  * @ha: HA context
 357  *
 358  * Returns 0 on success.
 359  */
 360 int
 361 qla2100_pci_config(scsi_qla_host_t *vha)
 362 {
 363         uint16_t w;
 364         unsigned long flags;
 365         struct qla_hw_data *ha = vha->hw;
 366         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 367
 368         pci_set_master(ha->pdev);
 369         pci_try_set_mwi(ha->pdev);
 370
 371         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 372         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 373         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 374
 375         pci_disable_rom(ha->pdev);
 376
 377         /* Get PCI bus information. */
 378         spin_lock_irqsave(&ha->hardware_lock, flags);
 379         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 380         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 381
 382         return QLA_SUCCESS;
 383 }
 384
 385 /**
 386  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 387  * @ha: HA context
 388  *
 389  * Returns 0 on success.
 390  */
 391 int
 392 qla2300_pci_config(scsi_qla_host_t *vha)
 393 {
 394         uint16_t        w;
 395         unsigned long   flags = 0;
 396         uint32_t        cnt;
 397         struct qla_hw_data *ha = vha->hw;
 398         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 399
 400         pci_set_master(ha->pdev);
 401         pci_try_set_mwi(ha->pdev);
 402
 403         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 404         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 405
 406         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 407                 w &= ~PCI_COMMAND_INTX_DISABLE;
 408         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 409
 410         /*
 411          * If this is a 2300 card and not 2312, reset the
 412          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 413          * the 2310 also reports itself as a 2300 so we need to get the
 414          * fb revision level -- a 6 indicates it really is a 2300 and
 415          * not a 2310.
 416          */
 417         if (IS_QLA2300(ha)) {
 418                 spin_lock_irqsave(&ha->hardware_lock, flags);
 419
 420                 /* Pause RISC. */
 421                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 422                 for (cnt = 0; cnt < 30000; cnt++) {
 423                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 424                                 break;
 425
 426                         udelay(10);
 427                 }
 428
 429                 /* Select FPM registers. */
 430                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 431                 RD_REG_WORD(&reg->ctrl_status);
 432
 433                 /* Get the fb rev level */
 434                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 435
 436                 if (ha->fb_rev == FPM_2300)
 437                         pci_clear_mwi(ha->pdev);
 438
 439                 /* Deselect FPM registers. */
 440                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 441                 RD_REG_WORD(&reg->ctrl_status);
 442
 443                 /* Release RISC module. */
 444                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 445                 for (cnt = 0; cnt < 30000; cnt++) {
 446                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 447                                 break;
 448
 449                         udelay(10);
 450                 }
 451
 452                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 453         }
 454
 455         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 456
 457         pci_disable_rom(ha->pdev);
 458
 459         /* Get PCI bus information. */
 460         spin_lock_irqsave(&ha->hardware_lock, flags);
 461         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 462         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 463
 464         return QLA_SUCCESS;
 465 }
 466
 467 /**
 468  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 469  * @ha: HA context
 470  *
 471  * Returns 0 on success.
 472  */
 473 int
 474 qla24xx_pci_config(scsi_qla_host_t *vha)
 475 {
 476         uint16_t w;
 477         unsigned long flags = 0;
 478         struct qla_hw_data *ha = vha->hw;
 479         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 480
 481         pci_set_master(ha->pdev);
 482         pci_try_set_mwi(ha->pdev);
 483
 484         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 485         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 486         w &= ~PCI_COMMAND_INTX_DISABLE;
 487         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 488
 489         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 490
 491         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 492         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 493                 pcix_set_mmrbc(ha->pdev, 2048);
 494
 495         /* PCIe -- adjust Maximum Read Request Size (2048). */
 496         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 497                 pcie_set_readrq(ha->pdev, 2048);
 498
 499         pci_disable_rom(ha->pdev);
 500
 501         ha->chip_revision = ha->pdev->revision;
 502
 503         /* Get PCI bus information. */
 504         spin_lock_irqsave(&ha->hardware_lock, flags);
 505         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 506         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 507
 508         return QLA_SUCCESS;
 509 }
 510
 511 /**
 512  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 513  * @ha: HA context
 514  *
 515  * Returns 0 on success.
 516  */
 517 int
 518 qla25xx_pci_config(scsi_qla_host_t *vha)
 519 {
 520         uint16_t w;
 521         struct qla_hw_data *ha = vha->hw;
 522
 523         pci_set_master(ha->pdev);
 524         pci_try_set_mwi(ha->pdev);
 525
 526         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 527         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 528         w &= ~PCI_COMMAND_INTX_DISABLE;
 529         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 530
 531         /* PCIe -- adjust Maximum Read Request Size (2048). */
 532         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 533                 pcie_set_readrq(ha->pdev, 2048);
 534
 535         pci_disable_rom(ha->pdev);
 536
 537         ha->chip_revision = ha->pdev->revision;
 538
 539         return QLA_SUCCESS;
 540 }
 541
 542 /**
 543  * qla2x00_isp_firmware() - Choose firmware image.
 544  * @ha: HA context
 545  *
 546  * Returns 0 on success.
 547  */
 548 static int
 549 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 550 {
 551         int  rval;
 552         uint16_t loop_id, topo, sw_cap;
 553         uint8_t domain, area, al_pa;
 554         struct qla_hw_data *ha = vha->hw;
 555
 556         /* Assume loading risc code */
 557         rval = QLA_FUNCTION_FAILED;
 558
 559         if (ha->flags.disable_risc_code_load) {
 560                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 561                     vha->host_no));
 562                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 563
 564                 /* Verify checksum of loaded RISC code. */
 565                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 566                 if (rval == QLA_SUCCESS) {
 567                         /* And, verify we are not in ROM code. */
 568                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 569                             &area, &domain, &topo, &sw_cap);
 570                 }
 571         }
 572
 573         if (rval) {
 574                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 575                     vha->host_no));
 576         }
 577
 578         return (rval);
 579 }
 580
 581 /**
 582  * qla2x00_reset_chip() - Reset ISP chip.
 583  * @ha: HA context
 584  *
 585  * Returns 0 on success.
 586  */
 587 void
 588 qla2x00_reset_chip(scsi_qla_host_t *vha)
 589 {
 590         unsigned long   flags = 0;
 591         struct qla_hw_data *ha = vha->hw;
 592         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 593         uint32_t        cnt;
 594         uint16_t        cmd;
 595
 596         if (unlikely(pci_channel_offline(ha->pdev)))
 597                 return;
 598
 599         ha->isp_ops->disable_intrs(ha);
 600
 601         spin_lock_irqsave(&ha->hardware_lock, flags);
 602
 603         /* Turn off master enable */
 604         cmd = 0;
 605         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 606         cmd &= ~PCI_COMMAND_MASTER;
 607         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 608
 609         if (!IS_QLA2100(ha)) {
 610                 /* Pause RISC. */
 611                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 612                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 613                         for (cnt = 0; cnt < 30000; cnt++) {
 614                                 if ((RD_REG_WORD(&reg->hccr) &
 615                                     HCCR_RISC_PAUSE) != 0)
 616                                         break;
 617                                 udelay(100);
 618                         }
 619                 } else {
 620                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 621                         udelay(10);
 622                 }
 623
 624                 /* Select FPM registers. */
 625                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 626                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 627
 628                 /* FPM Soft Reset. */
 629                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 630                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 631
 632                 /* Toggle Fpm Reset. */
 633                 if (!IS_QLA2200(ha)) {
 634                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 635                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 636                 }
 637
 638                 /* Select frame buffer registers. */
 639                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 640                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 641
 642                 /* Reset frame buffer FIFOs. */
 643                 if (IS_QLA2200(ha)) {
 644                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 645                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 646                 } else {
 647                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 648
 649                         /* Read back fb_cmd until zero or 3 seconds max */
 650                         for (cnt = 0; cnt < 3000; cnt++) {
 651                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 652                                         break;
 653                                 udelay(100);
 654                         }
 655                 }
 656
 657                 /* Select RISC module registers. */
 658                 WRT_REG_WORD(&reg->ctrl_status, 0);
 659                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 660
 661                 /* Reset RISC processor. */
 662                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 663                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 664
 665                 /* Release RISC processor. */
 666                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 667                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 668         }
 669
 670         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 671         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 672
 673         /* Reset ISP chip. */
 674         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 675
 676         /* Wait for RISC to recover from reset. */
 677         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 678                 /*
 679                  * It is necessary to for a delay here since the card doesn't
 680                  * respond to PCI reads during a reset. On some architectures
 681                  * this will result in an MCA.
 682                  */
 683                 udelay(20);
 684                 for (cnt = 30000; cnt; cnt--) {
 685                         if ((RD_REG_WORD(&reg->ctrl_status) &
 686                             CSR_ISP_SOFT_RESET) == 0)
 687                                 break;
 688                         udelay(100);
 689                 }
 690         } else
 691                 udelay(10);
 692
 693         /* Reset RISC processor. */
 694         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 695
 696         WRT_REG_WORD(&reg->semaphore, 0);
 697
 698         /* Release RISC processor. */
 699         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 700         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 701
 702         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 703                 for (cnt = 0; cnt < 30000; cnt++) {
 704                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 705                                 break;
 706
 707                         udelay(100);
 708                 }
 709         } else
 710                 udelay(100);
 711
 712         /* Turn on master enable */
 713         cmd |= PCI_COMMAND_MASTER;
 714         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 715
 716         /* Disable RISC pause on FPM parity error. */
 717         if (!IS_QLA2100(ha)) {
 718                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 719                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 720         }
 721
 722         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 723 }
 724
 725 /**
 726  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 727  * @ha: HA context
 728  *
 729  * Returns 0 on success.
 730  */
 731 static inline void
 732 qla24xx_reset_risc(scsi_qla_host_t *vha)
 733 {
 734         unsigned long flags = 0;
 735         struct qla_hw_data *ha = vha->hw;
 736         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 737         uint32_t cnt, d2;
 738         uint16_t wd;
 739
 740         spin_lock_irqsave(&ha->hardware_lock, flags);
 741
 742         /* Reset RISC. */
 743         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 744         for (cnt = 0; cnt < 30000; cnt++) {
 745                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
 746                         break;
 747
 748                 udelay(10);
 749         }
 750
 751         WRT_REG_DWORD(&reg->ctrl_status,
 752             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 753         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
 754
 755         udelay(100);
 756         /* Wait for firmware to complete NVRAM accesses. */
 757         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 758         for (cnt = 10000 ; cnt && d2; cnt--) {
 759                 udelay(5);
 760                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 761                 barrier();
 762         }
 763
 764         /* Wait for soft-reset to complete. */
 765         d2 = RD_REG_DWORD(&reg->ctrl_status);
 766         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
 767                 udelay(5);
 768                 d2 = RD_REG_DWORD(&reg->ctrl_status);
 769                 barrier();
 770         }
 771
 772         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
 773         RD_REG_DWORD(&reg->hccr);
 774
 775         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
 776         RD_REG_DWORD(&reg->hccr);
 777
 778         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
 779         RD_REG_DWORD(&reg->hccr);
 780
 781         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 782         for (cnt = 6000000 ; cnt && d2; cnt--) {
 783                 udelay(5);
 784                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 785                 barrier();
 786         }
 787
 788         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 789
 790         if (IS_NOPOLLING_TYPE(ha))
 791                 ha->isp_ops->enable_intrs(ha);
 792 }
 793
 794 /**
 795  * qla24xx_reset_chip() - Reset ISP24xx chip.
 796  * @ha: HA context
 797  *
 798  * Returns 0 on success.
 799  */
 800 void
 801 qla24xx_reset_chip(scsi_qla_host_t *vha)
 802 {
 803         struct qla_hw_data *ha = vha->hw;
 804
 805         if (pci_channel_offline(ha->pdev) &&
 806             ha->flags.pci_channel_io_perm_failure) {
 807                 return;
 808         }
 809
 810         ha->isp_ops->disable_intrs(ha);
 811
 812         /* Perform RISC reset. */
 813         qla24xx_reset_risc(vha);
 814 }
 815
 816 /**
 817  * qla2x00_chip_diag() - Test chip for proper operation.
 818  * @ha: HA context
 819  *
 820  * Returns 0 on success.
 821  */
 822 int
 823 qla2x00_chip_diag(scsi_qla_host_t *vha)
 824 {
 825         int             rval;
 826         struct qla_hw_data *ha = vha->hw;
 827         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 828         unsigned long   flags = 0;
 829         uint16_t        data;
 830         uint32_t        cnt;
 831         uint16_t        mb[5];
 832         struct req_que *req = ha->req_q_map[0];
 833
 834         /* Assume a failed state */
 835         rval = QLA_FUNCTION_FAILED;
 836
 837         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
 838             vha->host_no, (u_long)&reg->flash_address));
 839
 840         spin_lock_irqsave(&ha->hardware_lock, flags);
 841
 842         /* Reset ISP chip. */
 843         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 844
 845         /*
 846          * We need to have a delay here since the card will not respond while
 847          * in reset causing an MCA on some architectures.
 848          */
 849         udelay(20);
 850         data = qla2x00_debounce_register(&reg->ctrl_status);
 851         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
 852                 udelay(5);
 853                 data = RD_REG_WORD(&reg->ctrl_status);
 854                 barrier();
 855         }
 856
 857         if (!cnt)
 858                 goto chip_diag_failed;
 859
 860         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
 861             vha->host_no));
 862
 863         /* Reset RISC processor. */
 864         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 865         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 866
 867         /* Workaround for QLA2312 PCI parity error */
 868         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 869                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
 870                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
 871                         udelay(5);
 872                         data = RD_MAILBOX_REG(ha, reg, 0);
 873                         barrier();
 874                 }
 875         } else
 876                 udelay(10);
 877
 878         if (!cnt)
 879                 goto chip_diag_failed;
 880
 881         /* Check product ID of chip */
 882         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
 883
 884         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
 885         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
 886         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
 887         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
 888         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
 889             mb[3] != PROD_ID_3) {
 890                 qla_printk(KERN_WARNING, ha,
 891                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
 892
 893                 goto chip_diag_failed;
 894         }
 895         ha->product_id[0] = mb[1];
 896         ha->product_id[1] = mb[2];
 897         ha->product_id[2] = mb[3];
 898         ha->product_id[3] = mb[4];
 899
 900         /* Adjust fw RISC transfer size */
 901         if (req->length > 1024)
 902                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
 903         else
 904                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
 905                     req->length;
 906
 907         if (IS_QLA2200(ha) &&
 908             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
 909                 /* Limit firmware transfer size with a 2200A */
 910                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
 911                     vha->host_no));
 912
 913                 ha->device_type |= DT_ISP2200A;
 914                 ha->fw_transfer_size = 128;
 915         }
 916
 917         /* Wrap Incoming Mailboxes Test. */
 918         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 919
 920         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
 921         rval = qla2x00_mbx_reg_test(vha);
 922         if (rval) {
 923                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 924                     vha->host_no));
 925                 qla_printk(KERN_WARNING, ha,
 926                     "Failed mailbox send register test\n");
 927         }
 928         else {
 929                 /* Flag a successful rval */
 930                 rval = QLA_SUCCESS;
 931         }
 932         spin_lock_irqsave(&ha->hardware_lock, flags);
 933
 934 chip_diag_failed:
 935         if (rval)
 936                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
 937                     "****\n", vha->host_no));
 938
 939         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 940
 941         return (rval);
 942 }
 943
 944 /**
 945  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
 946  * @ha: HA context
 947  *
 948  * Returns 0 on success.
 949  */
 950 int
 951 qla24xx_chip_diag(scsi_qla_host_t *vha)
 952 {
 953         int rval;
 954         struct qla_hw_data *ha = vha->hw;
 955         struct req_que *req = ha->req_q_map[0];
 956
 957         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 958
 959         rval = qla2x00_mbx_reg_test(vha);
 960         if (rval) {
 961                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 962                     vha->host_no));
 963                 qla_printk(KERN_WARNING, ha,
 964                     "Failed mailbox send register test\n");
 965         } else {
 966                 /* Flag a successful rval */
 967                 rval = QLA_SUCCESS;
 968         }
 969
 970         return rval;
 971 }
 972
 973 void
 974 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
 975 {
 976         int rval;
 977         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
 978             eft_size, fce_size, mq_size;
 979         dma_addr_t tc_dma;
 980         void *tc;
 981         struct qla_hw_data *ha = vha->hw;
 982         struct req_que *req = ha->req_q_map[0];
 983         struct rsp_que *rsp = ha->rsp_q_map[0];
 984
 985         if (ha->fw_dump) {
 986                 qla_printk(KERN_WARNING, ha,
 987                     "Firmware dump previously allocated.\n");
 988                 return;
 989         }
 990
 991         ha->fw_dumped = 0;
 992         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
 993         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 994                 fixed_size = sizeof(struct qla2100_fw_dump);
 995         } else if (IS_QLA23XX(ha)) {
 996                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
 997                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
 998                     sizeof(uint16_t);
 999         } else if (IS_FWI2_CAPABLE(ha)) {
1000                 if (IS_QLA81XX(ha))
1001                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1002                 else if (IS_QLA25XX(ha))
1003                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1004                 else
1005                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1006                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1007                     sizeof(uint32_t);
1008                 if (ha->mqenable)
1009                         mq_size = sizeof(struct qla2xxx_mq_chain);
1010                 /* Allocate memory for Fibre Channel Event Buffer. */
1011                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1012                         goto try_eft;
1013
1014                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1015                     GFP_KERNEL);
1016                 if (!tc) {
1017                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1018                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
1019                         goto try_eft;
1020                 }
1021
1022                 memset(tc, 0, FCE_SIZE);
1023                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1024                     ha->fce_mb, &ha->fce_bufs);
1025                 if (rval) {
1026                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1027                             "FCE (%d).\n", rval);
1028                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1029                             tc_dma);
1030                         ha->flags.fce_enabled = 0;
1031                         goto try_eft;
1032                 }
1033
1034                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1035                     FCE_SIZE / 1024);
1036
1037                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1038                 ha->flags.fce_enabled = 1;
1039                 ha->fce_dma = tc_dma;
1040                 ha->fce = tc;
1041 try_eft:
1042                 /* Allocate memory for Extended Trace Buffer. */
1043                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1044                     GFP_KERNEL);
1045                 if (!tc) {
1046                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1047                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1048                         goto cont_alloc;
1049                 }
1050
1051                 memset(tc, 0, EFT_SIZE);
1052                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1053                 if (rval) {
1054                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1055                             "EFT (%d).\n", rval);
1056                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1057                             tc_dma);
1058                         goto cont_alloc;
1059                 }
1060
1061                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1062                     EFT_SIZE / 1024);
1063
1064                 eft_size = EFT_SIZE;
1065                 ha->eft_dma = tc_dma;
1066                 ha->eft = tc;
1067         }
1068 cont_alloc:
1069         req_q_size = req->length * sizeof(request_t);
1070         rsp_q_size = rsp->length * sizeof(response_t);
1071
1072         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1073         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1074         ha->chain_offset = dump_size;
1075         dump_size += mq_size + fce_size;
1076
1077         ha->fw_dump = vmalloc(dump_size);
1078         if (!ha->fw_dump) {
1079                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1080                     "firmware dump!!!\n", dump_size / 1024);
1081
1082                 if (ha->eft) {
1083                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1084                             ha->eft_dma);
1085                         ha->eft = NULL;
1086                         ha->eft_dma = 0;
1087                 }
1088                 return;
1089         }
1090         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1091             dump_size / 1024);
1092
1093         ha->fw_dump_len = dump_size;
1094         ha->fw_dump->signature[0] = 'Q';
1095         ha->fw_dump->signature[1] = 'L';
1096         ha->fw_dump->signature[2] = 'G';
1097         ha->fw_dump->signature[3] = 'C';
1098         ha->fw_dump->version = __constant_htonl(1);
1099
1100         ha->fw_dump->fixed_size = htonl(fixed_size);
1101         ha->fw_dump->mem_size = htonl(mem_size);
1102         ha->fw_dump->req_q_size = htonl(req_q_size);
1103         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1104
1105         ha->fw_dump->eft_size = htonl(eft_size);
1106         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1107         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1108
1109         ha->fw_dump->header_size =
1110             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1111 }
1112
1113 static int
1114 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1115 {
1116 #define MPS_MASK        0xe0
1117         int rval;
1118         uint16_t dc;
1119         uint32_t dw;
1120         struct qla_hw_data *ha = vha->hw;
1121
1122         if (!IS_QLA81XX(vha->hw))
1123                 return QLA_SUCCESS;
1124
1125         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1126         if (rval != QLA_SUCCESS) {
1127                 DEBUG2(qla_printk(KERN_WARNING, ha,
1128                     "Sync-MPI: Unable to acquire semaphore.\n"));
1129                 goto done;
1130         }
1131
1132         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1133         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1134         if (rval != QLA_SUCCESS) {
1135                 DEBUG2(qla_printk(KERN_WARNING, ha,
1136                     "Sync-MPI: Unable to read sync.\n"));
1137                 goto done_release;
1138         }
1139
1140         dc &= MPS_MASK;
1141         if (dc == (dw & MPS_MASK))
1142                 goto done_release;
1143
1144         dw &= ~MPS_MASK;
1145         dw |= dc;
1146         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1147         if (rval != QLA_SUCCESS) {
1148                 DEBUG2(qla_printk(KERN_WARNING, ha,
1149                     "Sync-MPI: Unable to gain sync.\n"));
1150         }
1151
1152 done_release:
1153         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1154         if (rval != QLA_SUCCESS) {
1155                 DEBUG2(qla_printk(KERN_WARNING, ha,
1156                     "Sync-MPI: Unable to release semaphore.\n"));
1157         }
1158
1159 done:
1160         return rval;
1161 }
1162
1163 /**
1164  * qla2x00_setup_chip() - Load and start RISC firmware.
1165  * @ha: HA context
1166  *
1167  * Returns 0 on success.
1168  */
1169 static int
1170 qla2x00_setup_chip(scsi_qla_host_t *vha)
1171 {
1172         int rval;
1173         uint32_t srisc_address = 0;
1174         struct qla_hw_data *ha = vha->hw;
1175         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1176         unsigned long flags;
1177         uint16_t fw_major_version;
1178
1179         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1180                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1181                 spin_lock_irqsave(&ha->hardware_lock, flags);
1182                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1183                 RD_REG_WORD(&reg->hccr);
1184                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1185         }
1186
1187         qla81xx_mpi_sync(vha);
1188
1189         /* Load firmware sequences */
1190         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1191         if (rval == QLA_SUCCESS) {
1192                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1193                     "code.\n", vha->host_no));
1194
1195                 rval = qla2x00_verify_checksum(vha, srisc_address);
1196                 if (rval == QLA_SUCCESS) {
1197                         /* Start firmware execution. */
1198                         DEBUG(printk("scsi(%ld): Checksum OK, start "
1199                             "firmware.\n", vha->host_no));
1200
1201                         rval = qla2x00_execute_fw(vha, srisc_address);
1202                         /* Retrieve firmware information. */
1203                         if (rval == QLA_SUCCESS) {
1204                                 fw_major_version = ha->fw_major_version;
1205                                 rval = qla2x00_get_fw_version(vha,
1206                                     &ha->fw_major_version,
1207                                     &ha->fw_minor_version,
1208                                     &ha->fw_subminor_version,
1209                                     &ha->fw_attributes, &ha->fw_memory_size,
1210                                     ha->mpi_version, &ha->mpi_capabilities,
1211                                     ha->phy_version);
1212                                 if (rval != QLA_SUCCESS)
1213                                         goto failed;
1214                                 ha->flags.npiv_supported = 0;
1215                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1216                                          (ha->fw_attributes & BIT_2)) {
1217                                         ha->flags.npiv_supported = 1;
1218                                         if ((!ha->max_npiv_vports) ||
1219                                             ((ha->max_npiv_vports + 1) %
1220                                             MIN_MULTI_ID_FABRIC))
1221                                                 ha->max_npiv_vports =
1222                                                     MIN_MULTI_ID_FABRIC - 1;
1223                                 }
1224                                 qla2x00_get_resource_cnts(vha, NULL,
1225                                     &ha->fw_xcb_count, NULL, NULL,
1226                                     &ha->max_npiv_vports, NULL);
1227
1228                                 if (!fw_major_version && ql2xallocfwdump)
1229                                         qla2x00_alloc_fw_dump(vha);
1230                         }
1231                 } else {
1232                         DEBUG2(printk(KERN_INFO
1233                             "scsi(%ld): ISP Firmware failed checksum.\n",
1234                             vha->host_no));
1235                 }
1236         }
1237
1238         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1239                 /* Enable proper parity. */
1240                 spin_lock_irqsave(&ha->hardware_lock, flags);
1241                 if (IS_QLA2300(ha))
1242                         /* SRAM parity */
1243                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1244                 else
1245                         /* SRAM, Instruction RAM and GP RAM parity */
1246                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1247                 RD_REG_WORD(&reg->hccr);
1248                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1249         }
1250
1251         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1252                 uint32_t size;
1253
1254                 rval = qla81xx_fac_get_sector_size(vha, &size);
1255                 if (rval == QLA_SUCCESS) {
1256                         ha->flags.fac_supported = 1;
1257                         ha->fdt_block_size = size << 2;
1258                 } else {
1259                         qla_printk(KERN_ERR, ha,
1260                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1261                             ha->fw_major_version, ha->fw_minor_version,
1262                             ha->fw_subminor_version);
1263                 }
1264         }
1265 failed:
1266         if (rval) {
1267                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1268                     vha->host_no));
1269         }
1270
1271         return (rval);
1272 }
1273
1274 /**
1275  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1276  * @ha: HA context
1277  *
1278  * Beginning of request ring has initialization control block already built
1279  * by nvram config routine.
1280  *
1281  * Returns 0 on success.
1282  */
1283 void
1284 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1285 {
1286         uint16_t cnt;
1287         response_t *pkt;
1288
1289         rsp->ring_ptr = rsp->ring;
1290         rsp->ring_index    = 0;
1291         rsp->status_srb = NULL;
1292         pkt = rsp->ring_ptr;
1293         for (cnt = 0; cnt < rsp->length; cnt++) {
1294                 pkt->signature = RESPONSE_PROCESSED;
1295                 pkt++;
1296         }
1297 }
1298
1299 /**
1300  * qla2x00_update_fw_options() - Read and process firmware options.
1301  * @ha: HA context
1302  *
1303  * Returns 0 on success.
1304  */
1305 void
1306 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1307 {
1308         uint16_t swing, emphasis, tx_sens, rx_sens;
1309         struct qla_hw_data *ha = vha->hw;
1310
1311         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1312         qla2x00_get_fw_options(vha, ha->fw_options);
1313
1314         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1315                 return;
1316
1317         /* Serial Link options. */
1318         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1319             vha->host_no));
1320         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1321             sizeof(ha->fw_seriallink_options)));
1322
1323         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1324         if (ha->fw_seriallink_options[3] & BIT_2) {
1325                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1326
1327                 /*  1G settings */
1328                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1329                 emphasis = (ha->fw_seriallink_options[2] &
1330                     (BIT_4 | BIT_3)) >> 3;
1331                 tx_sens = ha->fw_seriallink_options[0] &
1332                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1333                 rx_sens = (ha->fw_seriallink_options[0] &
1334                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1335                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1336                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1337                         if (rx_sens == 0x0)
1338                                 rx_sens = 0x3;
1339                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1340                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1341                         ha->fw_options[10] |= BIT_5 |
1342                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1343                             (tx_sens & (BIT_1 | BIT_0));
1344
1345                 /*  2G settings */
1346                 swing = (ha->fw_seriallink_options[2] &
1347                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1348                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1349                 tx_sens = ha->fw_seriallink_options[1] &
1350                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1351                 rx_sens = (ha->fw_seriallink_options[1] &
1352                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1353                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1354                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1355                         if (rx_sens == 0x0)
1356                                 rx_sens = 0x3;
1357                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1358                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1359                         ha->fw_options[11] |= BIT_5 |
1360                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1361                             (tx_sens & (BIT_1 | BIT_0));
1362         }
1363
1364         /* FCP2 options. */
1365         /*  Return command IOCBs without waiting for an ABTS to complete. */
1366         ha->fw_options[3] |= BIT_13;
1367
1368         /* LED scheme. */
1369         if (ha->flags.enable_led_scheme)
1370                 ha->fw_options[2] |= BIT_12;
1371
1372         /* Detect ISP6312. */
1373         if (IS_QLA6312(ha))
1374                 ha->fw_options[2] |= BIT_13;
1375
1376         /* Update firmware options. */
1377         qla2x00_set_fw_options(vha, ha->fw_options);
1378 }
1379
1380 void
1381 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1382 {
1383         int rval;
1384         struct qla_hw_data *ha = vha->hw;
1385
1386         /* Update Serial Link options. */
1387         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1388                 return;
1389
1390         rval = qla2x00_set_serdes_params(vha,
1391             le16_to_cpu(ha->fw_seriallink_options24[1]),
1392             le16_to_cpu(ha->fw_seriallink_options24[2]),
1393             le16_to_cpu(ha->fw_seriallink_options24[3]));
1394         if (rval != QLA_SUCCESS) {
1395                 qla_printk(KERN_WARNING, ha,
1396                     "Unable to update Serial Link options (%x).\n", rval);
1397         }
1398 }
1399
1400 void
1401 qla2x00_config_rings(struct scsi_qla_host *vha)
1402 {
1403         struct qla_hw_data *ha = vha->hw;
1404         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1405         struct req_que *req = ha->req_q_map[0];
1406         struct rsp_que *rsp = ha->rsp_q_map[0];
1407
1408         /* Setup ring parameters in initialization control block. */
1409         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1410         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1411         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1412         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1413         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1414         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1415         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1416         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1417
1418         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1419         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1420         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1421         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1422         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1423 }
1424
1425 void
1426 qla24xx_config_rings(struct scsi_qla_host *vha)
1427 {
1428         struct qla_hw_data *ha = vha->hw;
1429         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1430         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1431         struct qla_msix_entry *msix;
1432         struct init_cb_24xx *icb;
1433         uint16_t rid = 0;
1434         struct req_que *req = ha->req_q_map[0];
1435         struct rsp_que *rsp = ha->rsp_q_map[0];
1436
1437 /* Setup ring parameters in initialization control block. */
1438         icb = (struct init_cb_24xx *)ha->init_cb;
1439         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1440         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1441         icb->request_q_length = cpu_to_le16(req->length);
1442         icb->response_q_length = cpu_to_le16(rsp->length);
1443         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1444         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1445         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1446         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1447
1448         if (ha->mqenable) {
1449                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1450                 icb->rid = __constant_cpu_to_le16(rid);
1451                 if (ha->flags.msix_enabled) {
1452                         msix = &ha->msix_entries[1];
1453                         DEBUG2_17(printk(KERN_INFO
1454                         "Registering vector 0x%x for base que\n", msix->entry));
1455                         icb->msix = cpu_to_le16(msix->entry);
1456                 }
1457                 /* Use alternate PCI bus number */
1458                 if (MSB(rid))
1459                         icb->firmware_options_2 |=
1460                                 __constant_cpu_to_le32(BIT_19);
1461                 /* Use alternate PCI devfn */
1462                 if (LSB(rid))
1463                         icb->firmware_options_2 |=
1464                                 __constant_cpu_to_le32(BIT_18);
1465
1466                 /* Use Disable MSIX Handshake mode for capable adapters */
1467                 if (IS_MSIX_NACK_CAPABLE(ha)) {
1468                         icb->firmware_options_2 &=
1469                                 __constant_cpu_to_le32(~BIT_22);
1470                         ha->flags.disable_msix_handshake = 1;
1471                         qla_printk(KERN_INFO, ha,
1472                                 "MSIX Handshake Disable Mode turned on\n");
1473                 } else {
1474                         icb->firmware_options_2 |=
1475                                 __constant_cpu_to_le32(BIT_22);
1476                 }
1477                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1478
1479                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1480                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1481                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1482                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1483         } else {
1484                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1485                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1486                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1487                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1488         }
1489         /* PCI posting */
1490         RD_REG_DWORD(&ioreg->hccr);
1491 }
1492
1493 /**
1494  * qla2x00_init_rings() - Initializes firmware.
1495  * @ha: HA context
1496  *
1497  * Beginning of request ring has initialization control block already built
1498  * by nvram config routine.
1499  *
1500  * Returns 0 on success.
1501  */
1502 static int
1503 qla2x00_init_rings(scsi_qla_host_t *vha)
1504 {
1505         int     rval;
1506         unsigned long flags = 0;
1507         int cnt, que;
1508         struct qla_hw_data *ha = vha->hw;
1509         struct req_que *req;
1510         struct rsp_que *rsp;
1511         struct scsi_qla_host *vp;
1512         struct mid_init_cb_24xx *mid_init_cb =
1513             (struct mid_init_cb_24xx *) ha->init_cb;
1514
1515         spin_lock_irqsave(&ha->hardware_lock, flags);
1516
1517         /* Clear outstanding commands array. */
1518         for (que = 0; que < ha->max_req_queues; que++) {
1519                 req = ha->req_q_map[que];
1520                 if (!req)
1521                         continue;
1522                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1523                         req->outstanding_cmds[cnt] = NULL;
1524
1525                 req->current_outstanding_cmd = 1;
1526
1527                 /* Initialize firmware. */
1528                 req->ring_ptr  = req->ring;
1529                 req->ring_index    = 0;
1530                 req->cnt      = req->length;
1531         }
1532
1533         for (que = 0; que < ha->max_rsp_queues; que++) {
1534                 rsp = ha->rsp_q_map[que];
1535                 if (!rsp)
1536                         continue;
1537                 /* Initialize response queue entries */
1538                 qla2x00_init_response_q_entries(rsp);
1539         }
1540
1541         /* Clear RSCN queue. */
1542         list_for_each_entry(vp, &ha->vp_list, list) {
1543                 vp->rscn_in_ptr = 0;
1544                 vp->rscn_out_ptr = 0;
1545         }
1546         ha->isp_ops->config_rings(vha);
1547
1548         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1549
1550         /* Update any ISP specific firmware options before initialization. */
1551         ha->isp_ops->update_fw_options(vha);
1552
1553         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1554
1555         if (ha->flags.npiv_supported) {
1556                 if (ha->operating_mode == LOOP)
1557                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1558                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1559         }
1560
1561         if (IS_FWI2_CAPABLE(ha)) {
1562                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1563                 mid_init_cb->init_cb.execution_throttle =
1564                     cpu_to_le16(ha->fw_xcb_count);
1565         }
1566
1567         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1568         if (rval) {
1569                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1570                     vha->host_no));
1571         } else {
1572                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1573                     vha->host_no));
1574         }
1575
1576         return (rval);
1577 }
1578
1579 /**
1580  * qla2x00_fw_ready() - Waits for firmware ready.
1581  * @ha: HA context
1582  *
1583  * Returns 0 on success.
1584  */
1585 static int
1586 qla2x00_fw_ready(scsi_qla_host_t *vha)
1587 {
1588         int             rval;
1589         unsigned long   wtime, mtime, cs84xx_time;
1590         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1591         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1592         uint16_t        state[5];
1593         struct qla_hw_data *ha = vha->hw;
1594
1595         rval = QLA_SUCCESS;
1596
1597         /* 20 seconds for loop down. */
1598         min_wait = 20;
1599
1600         /*
1601          * Firmware should take at most one RATOV to login, plus 5 seconds for
1602          * our own processing.
1603          */
1604         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1605                 wait_time = min_wait;
1606         }
1607
1608         /* Min wait time if loop down */
1609         mtime = jiffies + (min_wait * HZ);
1610
1611         /* wait time before firmware ready */
1612         wtime = jiffies + (wait_time * HZ);
1613
1614         /* Wait for ISP to finish LIP */
1615         if (!vha->flags.init_done)
1616                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1617
1618         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1619             vha->host_no));
1620
1621         do {
1622                 rval = qla2x00_get_firmware_state(vha, state);
1623                 if (rval == QLA_SUCCESS) {
1624                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1625                                 vha->device_flags &= ~DFLG_NO_CABLE;
1626                         }
1627                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1628                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1629                                     "84xx=%x.\n", vha->host_no, state[0],
1630                                     state[2]));
1631                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1632                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1633                                         DEBUG16(printk("scsi(%ld): Sending "
1634                                             "verify iocb.\n", vha->host_no));
1635
1636                                         cs84xx_time = jiffies;
1637                                         rval = qla84xx_init_chip(vha);
1638                                         if (rval != QLA_SUCCESS)
1639                                                 break;
1640
1641                                         /* Add time taken to initialize. */
1642                                         cs84xx_time = jiffies - cs84xx_time;
1643                                         wtime += cs84xx_time;
1644                                         mtime += cs84xx_time;
1645                                         DEBUG16(printk("scsi(%ld): Increasing "
1646                                             "wait time by %ld. New time %ld\n",
1647                                             vha->host_no, cs84xx_time, wtime));
1648                                 }
1649                         } else if (state[0] == FSTATE_READY) {
1650                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1651                                     vha->host_no));
1652
1653                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1654                                     &ha->login_timeout, &ha->r_a_tov);
1655
1656                                 rval = QLA_SUCCESS;
1657                                 break;
1658                         }
1659
1660                         rval = QLA_FUNCTION_FAILED;
1661
1662                         if (atomic_read(&vha->loop_down_timer) &&
1663                             state[0] != FSTATE_READY) {
1664                                 /* Loop down. Timeout on min_wait for states
1665                                  * other than Wait for Login.
1666                                  */
1667                                 if (time_after_eq(jiffies, mtime)) {
1668                                         qla_printk(KERN_INFO, ha,
1669                                             "Cable is unplugged...\n");
1670
1671                                         vha->device_flags |= DFLG_NO_CABLE;
1672                                         break;
1673                                 }
1674                         }
1675                 } else {
1676                         /* Mailbox cmd failed. Timeout on min_wait. */
1677                         if (time_after_eq(jiffies, mtime))
1678                                 break;
1679                 }
1680
1681                 if (time_after_eq(jiffies, wtime))
1682                         break;
1683
1684                 /* Delay for a while */
1685                 msleep(500);
1686
1687                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1688                     vha->host_no, state[0], jiffies));
1689         } while (1);
1690
1691         DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1692             vha->host_no, state[0], state[1], state[2], state[3], state[4],
1693             jiffies));
1694
1695         if (rval) {
1696                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1697                     vha->host_no));
1698         }
1699
1700         return (rval);
1701 }
1702
1703 /*
1704 *  qla2x00_configure_hba
1705 *      Setup adapter context.
1706 *
1707 * Input:
1708 *      ha = adapter state pointer.
1709 *
1710 * Returns:
1711 *      0 = success
1712 *
1713 * Context:
1714 *      Kernel context.
1715 */
1716 static int
1717 qla2x00_configure_hba(scsi_qla_host_t *vha)
1718 {
1719         int       rval;
1720         uint16_t      loop_id;
1721         uint16_t      topo;
1722         uint16_t      sw_cap;
1723         uint8_t       al_pa;
1724         uint8_t       area;
1725         uint8_t       domain;
1726         char            connect_type[22];
1727         struct qla_hw_data *ha = vha->hw;
1728
1729         /* Get host addresses. */
1730         rval = qla2x00_get_adapter_id(vha,
1731             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1732         if (rval != QLA_SUCCESS) {
1733                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1734                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1735                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1736                             __func__, vha->host_no));
1737                 } else {
1738                         qla_printk(KERN_WARNING, ha,
1739                             "ERROR -- Unable to get host loop ID.\n");
1740                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1741                 }
1742                 return (rval);
1743         }
1744
1745         if (topo == 4) {
1746                 qla_printk(KERN_INFO, ha,
1747                         "Cannot get topology - retrying.\n");
1748                 return (QLA_FUNCTION_FAILED);
1749         }
1750
1751         vha->loop_id = loop_id;
1752
1753         /* initialize */
1754         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1755         ha->operating_mode = LOOP;
1756         ha->switch_cap = 0;
1757
1758         switch (topo) {
1759         case 0:
1760                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1761                     vha->host_no));
1762                 ha->current_topology = ISP_CFG_NL;
1763                 strcpy(connect_type, "(Loop)");
1764                 break;
1765
1766         case 1:
1767                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1768                     vha->host_no));
1769                 ha->switch_cap = sw_cap;
1770                 ha->current_topology = ISP_CFG_FL;
1771                 strcpy(connect_type, "(FL_Port)");
1772                 break;
1773
1774         case 2:
1775                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1776                     vha->host_no));
1777                 ha->operating_mode = P2P;
1778                 ha->current_topology = ISP_CFG_N;
1779                 strcpy(connect_type, "(N_Port-to-N_Port)");
1780                 break;
1781
1782         case 3:
1783                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1784                     vha->host_no));
1785                 ha->switch_cap = sw_cap;
1786                 ha->operating_mode = P2P;
1787                 ha->current_topology = ISP_CFG_F;
1788                 strcpy(connect_type, "(F_Port)");
1789                 break;
1790
1791         default:
1792                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1793                     "Using NL.\n",
1794                     vha->host_no, topo));
1795                 ha->current_topology = ISP_CFG_NL;
1796                 strcpy(connect_type, "(Loop)");
1797                 break;
1798         }
1799
1800         /* Save Host port and loop ID. */
1801         /* byte order - Big Endian */
1802         vha->d_id.b.domain = domain;
1803         vha->d_id.b.area = area;
1804         vha->d_id.b.al_pa = al_pa;
1805
1806         if (!vha->flags.init_done)
1807                 qla_printk(KERN_INFO, ha,
1808                     "Topology - %s, Host Loop address 0x%x\n",
1809                     connect_type, vha->loop_id);
1810
1811         if (rval) {
1812                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1813         } else {
1814                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1815         }
1816
1817         return(rval);
1818 }
1819
1820 static inline void
1821 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1822         char *def)
1823 {
1824         char *st, *en;
1825         uint16_t index;
1826         struct qla_hw_data *ha = vha->hw;
1827         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1828             !IS_QLA81XX(ha);
1829
1830         if (memcmp(model, BINZERO, len) != 0) {
1831                 strncpy(ha->model_number, model, len);
1832                 st = en = ha->model_number;
1833                 en += len - 1;
1834                 while (en > st) {
1835                         if (*en != 0x20 && *en != 0x00)
1836                                 break;
1837                         *en-- = '\0';
1838                 }
1839
1840                 index = (ha->pdev->subsystem_device & 0xff);
1841                 if (use_tbl &&
1842                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1843                     index < QLA_MODEL_NAMES)
1844                         strncpy(ha->model_desc,
1845                             qla2x00_model_name[index * 2 + 1],
1846                             sizeof(ha->model_desc) - 1);
1847         } else {
1848                 index = (ha->pdev->subsystem_device & 0xff);
1849                 if (use_tbl &&
1850                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1851                     index < QLA_MODEL_NAMES) {
1852                         strcpy(ha->model_number,
1853                             qla2x00_model_name[index * 2]);
1854                         strncpy(ha->model_desc,
1855                             qla2x00_model_name[index * 2 + 1],
1856                             sizeof(ha->model_desc) - 1);
1857                 } else {
1858                         strcpy(ha->model_number, def);
1859                 }
1860         }
1861         if (IS_FWI2_CAPABLE(ha))
1862                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1863                     sizeof(ha->model_desc));
1864 }
1865
1866 /* On sparc systems, obtain port and node WWN from firmware
1867  * properties.
1868  */
1869 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
1870 {
1871 #ifdef CONFIG_SPARC
1872         struct qla_hw_data *ha = vha->hw;
1873         struct pci_dev *pdev = ha->pdev;
1874         struct device_node *dp = pci_device_to_OF_node(pdev);
1875         const u8 *val;
1876         int len;
1877
1878         val = of_get_property(dp, "port-wwn", &len);
1879         if (val && len >= WWN_SIZE)
1880                 memcpy(nv->port_name, val, WWN_SIZE);
1881
1882         val = of_get_property(dp, "node-wwn", &len);
1883         if (val && len >= WWN_SIZE)
1884                 memcpy(nv->node_name, val, WWN_SIZE);
1885 #endif
1886 }
1887
1888 /*
1889 * NVRAM configuration for ISP 2xxx
1890 *
1891 * Input:
1892 *      ha                = adapter block pointer.
1893 *
1894 * Output:
1895 *      initialization control block in response_ring
1896 *      host adapters parameters in host adapter block
1897 *
1898 * Returns:
1899 *      0 = success.
1900 */
1901 int
1902 qla2x00_nvram_config(scsi_qla_host_t *vha)
1903 {
1904         int             rval;
1905         uint8_t         chksum = 0;
1906         uint16_t        cnt;
1907         uint8_t         *dptr1, *dptr2;
1908         struct qla_hw_data *ha = vha->hw;
1909         init_cb_t       *icb = ha->init_cb;
1910         nvram_t         *nv = ha->nvram;
1911         uint8_t         *ptr = ha->nvram;
1912         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1913
1914         rval = QLA_SUCCESS;
1915
1916         /* Determine NVRAM starting address. */
1917         ha->nvram_size = sizeof(nvram_t);
1918         ha->nvram_base = 0;
1919         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1920                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1921                         ha->nvram_base = 0x80;
1922
1923         /* Get NVRAM data and calculate checksum. */
1924         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
1925         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1926                 chksum += *ptr++;
1927
1928         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
1929         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1930
1931         /* Bad NVRAM data, set defaults parameters. */
1932         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1933             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1934                 /* Reset NVRAM data. */
1935                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1936                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1937                     nv->nvram_version);
1938                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1939                     "invalid -- WWPN) defaults.\n");
1940
1941                 /*
1942                  * Set default initialization control block.
1943                  */
1944                 memset(nv, 0, ha->nvram_size);
1945                 nv->parameter_block_version = ICB_VERSION;
1946
1947                 if (IS_QLA23XX(ha)) {
1948                         nv->firmware_options[0] = BIT_2 | BIT_1;
1949                         nv->firmware_options[1] = BIT_7 | BIT_5;
1950                         nv->add_firmware_options[0] = BIT_5;
1951                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1952                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
1953                         nv->special_options[1] = BIT_7;
1954                 } else if (IS_QLA2200(ha)) {
1955                         nv->firmware_options[0] = BIT_2 | BIT_1;
1956                         nv->firmware_options[1] = BIT_7 | BIT_5;
1957                         nv->add_firmware_options[0] = BIT_5;
1958                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1959                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1960                 } else if (IS_QLA2100(ha)) {
1961                         nv->firmware_options[0] = BIT_3 | BIT_1;
1962                         nv->firmware_options[1] = BIT_5;
1963                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1964                 }
1965
1966                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1967                 nv->execution_throttle = __constant_cpu_to_le16(16);
1968                 nv->retry_count = 8;
1969                 nv->retry_delay = 1;
1970
1971                 nv->port_name[0] = 33;
1972                 nv->port_name[3] = 224;
1973                 nv->port_name[4] = 139;
1974
1975                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
1976
1977                 nv->login_timeout = 4;
1978
1979                 /*
1980                  * Set default host adapter parameters
1981                  */
1982                 nv->host_p[1] = BIT_2;
1983                 nv->reset_delay = 5;
1984                 nv->port_down_retry_count = 8;
1985                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1986                 nv->link_down_timeout = 60;
1987
1988                 rval = 1;
1989         }
1990
1991 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1992         /*
1993          * The SN2 does not provide BIOS emulation which means you can't change
1994          * potentially bogus BIOS settings. Force the use of default settings
1995          * for link rate and frame size.  Hope that the rest of the settings
1996          * are valid.
1997          */
1998         if (ia64_platform_is("sn2")) {
1999                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2000                 if (IS_QLA23XX(ha))
2001                         nv->special_options[1] = BIT_7;
2002         }
2003 #endif
2004
2005         /* Reset Initialization control block */
2006         memset(icb, 0, ha->init_cb_size);
2007
2008         /*
2009          * Setup driver NVRAM options.
2010          */
2011         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2012         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2013         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2014         nv->firmware_options[1] &= ~BIT_4;
2015
2016         if (IS_QLA23XX(ha)) {
2017                 nv->firmware_options[0] |= BIT_2;
2018                 nv->firmware_options[0] &= ~BIT_3;
2019                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2020
2021                 if (IS_QLA2300(ha)) {
2022                         if (ha->fb_rev == FPM_2310) {
2023                                 strcpy(ha->model_number, "QLA2310");
2024                         } else {
2025                                 strcpy(ha->model_number, "QLA2300");
2026                         }
2027                 } else {
2028                         qla2x00_set_model_info(vha, nv->model_number,
2029                             sizeof(nv->model_number), "QLA23xx");
2030                 }
2031         } else if (IS_QLA2200(ha)) {
2032                 nv->firmware_options[0] |= BIT_2;
2033                 /*
2034                  * 'Point-to-point preferred, else loop' is not a safe
2035                  * connection mode setting.
2036                  */
2037                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2038                     (BIT_5 | BIT_4)) {
2039                         /* Force 'loop preferred, else point-to-point'. */
2040                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2041                         nv->add_firmware_options[0] |= BIT_5;
2042                 }
2043                 strcpy(ha->model_number, "QLA22xx");
2044         } else /*if (IS_QLA2100(ha))*/ {
2045                 strcpy(ha->model_number, "QLA2100");
2046         }
2047
2048         /*
2049          * Copy over NVRAM RISC parameter block to initialization control block.
2050          */
2051         dptr1 = (uint8_t *)icb;
2052         dptr2 = (uint8_t *)&nv->parameter_block_version;
2053         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2054         while (cnt--)
2055                 *dptr1++ = *dptr2++;
2056
2057         /* Copy 2nd half. */
2058         dptr1 = (uint8_t *)icb->add_firmware_options;
2059         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2060         while (cnt--)
2061                 *dptr1++ = *dptr2++;
2062
2063         /* Use alternate WWN? */
2064         if (nv->host_p[1] & BIT_7) {
2065                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2066                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2067         }
2068
2069         /* Prepare nodename */
2070         if ((icb->firmware_options[1] & BIT_6) == 0) {
2071                 /*
2072                  * Firmware will apply the following mask if the nodename was
2073                  * not provided.
2074                  */
2075                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2076                 icb->node_name[0] &= 0xF0;
2077         }
2078
2079         /*
2080          * Set host adapter parameters.
2081          */
2082         if (nv->host_p[0] & BIT_7)
2083                 ql2xextended_error_logging = 1;
2084         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2085         /* Always load RISC code on non ISP2[12]00 chips. */
2086         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2087                 ha->flags.disable_risc_code_load = 0;
2088         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2089         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2090         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2091         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2092         ha->flags.disable_serdes = 0;
2093
2094         ha->operating_mode =
2095             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2096
2097         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2098             sizeof(ha->fw_seriallink_options));
2099
2100         /* save HBA serial number */
2101         ha->serial0 = icb->port_name[5];
2102         ha->serial1 = icb->port_name[6];
2103         ha->serial2 = icb->port_name[7];
2104         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2105         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2106
2107         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2108
2109         ha->retry_count = nv->retry_count;
2110
2111         /* Set minimum login_timeout to 4 seconds. */
2112         if (nv->login_timeout < ql2xlogintimeout)
2113                 nv->login_timeout = ql2xlogintimeout;
2114         if (nv->login_timeout < 4)
2115                 nv->login_timeout = 4;
2116         ha->login_timeout = nv->login_timeout;
2117         icb->login_timeout = nv->login_timeout;
2118
2119         /* Set minimum RATOV to 100 tenths of a second. */
2120         ha->r_a_tov = 100;
2121
2122         ha->loop_reset_delay = nv->reset_delay;
2123
2124         /* Link Down Timeout = 0:
2125          *
2126          *      When Port Down timer expires we will start returning
2127          *      I/O's to OS with "DID_NO_CONNECT".
2128          *
2129          * Link Down Timeout != 0:
2130          *
2131          *       The driver waits for the link to come up after link down
2132          *       before returning I/Os to OS with "DID_NO_CONNECT".
2133          */
2134         if (nv->link_down_timeout == 0) {
2135                 ha->loop_down_abort_time =
2136                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2137         } else {
2138                 ha->link_down_timeout =  nv->link_down_timeout;
2139                 ha->loop_down_abort_time =
2140                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2141         }
2142
2143         /*
2144          * Need enough time to try and get the port back.
2145          */
2146         ha->port_down_retry_count = nv->port_down_retry_count;
2147         if (qlport_down_retry)
2148                 ha->port_down_retry_count = qlport_down_retry;
2149         /* Set login_retry_count */
2150         ha->login_retry_count  = nv->retry_count;
2151         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2152             ha->port_down_retry_count > 3)
2153                 ha->login_retry_count = ha->port_down_retry_count;
2154         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2155                 ha->login_retry_count = ha->port_down_retry_count;
2156         if (ql2xloginretrycount)
2157                 ha->login_retry_count = ql2xloginretrycount;
2158
2159         icb->lun_enables = __constant_cpu_to_le16(0);
2160         icb->command_resource_count = 0;
2161         icb->immediate_notify_resource_count = 0;
2162         icb->timeout = __constant_cpu_to_le16(0);
2163
2164         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2165                 /* Enable RIO */
2166                 icb->firmware_options[0] &= ~BIT_3;
2167                 icb->add_firmware_options[0] &=
2168                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2169                 icb->add_firmware_options[0] |= BIT_2;
2170                 icb->response_accumulation_timer = 3;
2171                 icb->interrupt_delay_timer = 5;
2172
2173                 vha->flags.process_response_queue = 1;
2174         } else {
2175                 /* Enable ZIO. */
2176                 if (!vha->flags.init_done) {
2177                         ha->zio_mode = icb->add_firmware_options[0] &
2178                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2179                         ha->zio_timer = icb->interrupt_delay_timer ?
2180                             icb->interrupt_delay_timer: 2;
2181                 }
2182                 icb->add_firmware_options[0] &=
2183                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2184                 vha->flags.process_response_queue = 0;
2185                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2186                         ha->zio_mode = QLA_ZIO_MODE_6;
2187
2188                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2189                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
2190                             ha->zio_timer * 100));
2191                         qla_printk(KERN_INFO, ha,
2192                             "ZIO mode %d enabled; timer delay (%d us).\n",
2193                             ha->zio_mode, ha->zio_timer * 100);
2194
2195                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2196                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2197                         vha->flags.process_response_queue = 1;
2198                 }
2199         }
2200
2201         if (rval) {
2202                 DEBUG2_3(printk(KERN_WARNING
2203                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2204         }
2205         return (rval);
2206 }
2207
2208 static void
2209 qla2x00_rport_del(void *data)
2210 {
2211         fc_port_t *fcport = data;
2212         struct fc_rport *rport;
2213
2214         spin_lock_irq(fcport->vha->host->host_lock);
2215         rport = fcport->drport ? fcport->drport: fcport->rport;
2216         fcport->drport = NULL;
2217         spin_unlock_irq(fcport->vha->host->host_lock);
2218         if (rport)
2219                 fc_remote_port_delete(rport);
2220 }
2221
2222 /**
2223  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2224  * @ha: HA context
2225  * @flags: allocation flags
2226  *
2227  * Returns a pointer to the allocated fcport, or NULL, if none available.
2228  */
2229 fc_port_t *
2230 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2231 {
2232         fc_port_t *fcport;
2233
2234         fcport = kzalloc(sizeof(fc_port_t), flags);
2235         if (!fcport)
2236                 return NULL;
2237
2238         /* Setup fcport template structure. */
2239         fcport->vha = vha;
2240         fcport->vp_idx = vha->vp_idx;
2241         fcport->port_type = FCT_UNKNOWN;
2242         fcport->loop_id = FC_NO_LOOP_ID;
2243         atomic_set(&fcport->state, FCS_UNCONFIGURED);
2244         fcport->supported_classes = FC_COS_UNSPECIFIED;
2245
2246         return fcport;
2247 }
2248
2249 /*
2250  * qla2x00_configure_loop
2251  *      Updates Fibre Channel Device Database with what is actually on loop.
2252  *
2253  * Input:
2254  *      ha                = adapter block pointer.
2255  *
2256  * Returns:
2257  *      0 = success.
2258  *      1 = error.
2259  *      2 = database was full and device was not configured.
2260  */
2261 static int
2262 qla2x00_configure_loop(scsi_qla_host_t *vha)
2263 {
2264         int  rval;
2265         unsigned long flags, save_flags;
2266         struct qla_hw_data *ha = vha->hw;
2267         rval = QLA_SUCCESS;
2268
2269         /* Get Initiator ID */
2270         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2271                 rval = qla2x00_configure_hba(vha);
2272                 if (rval != QLA_SUCCESS) {
2273                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2274                             vha->host_no));
2275                         return (rval);
2276                 }
2277         }
2278
2279         save_flags = flags = vha->dpc_flags;
2280         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2281             vha->host_no, flags));
2282
2283         /*
2284          * If we have both an RSCN and PORT UPDATE pending then handle them
2285          * both at the same time.
2286          */
2287         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2288         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2289
2290         qla2x00_get_data_rate(vha);
2291
2292         /* Determine what we need to do */
2293         if (ha->current_topology == ISP_CFG_FL &&
2294             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2295
2296                 vha->flags.rscn_queue_overflow = 1;
2297                 set_bit(RSCN_UPDATE, &flags);
2298
2299         } else if (ha->current_topology == ISP_CFG_F &&
2300             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2301
2302                 vha->flags.rscn_queue_overflow = 1;
2303                 set_bit(RSCN_UPDATE, &flags);
2304                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2305
2306         } else if (ha->current_topology == ISP_CFG_N) {
2307                 clear_bit(RSCN_UPDATE, &flags);
2308
2309         } else if (!vha->flags.online ||
2310             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2311
2312                 vha->flags.rscn_queue_overflow = 1;
2313                 set_bit(RSCN_UPDATE, &flags);
2314                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2315         }
2316
2317         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2318                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2319                         rval = QLA_FUNCTION_FAILED;
2320                 else
2321                         rval = qla2x00_configure_local_loop(vha);
2322         }
2323
2324         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2325                 if (LOOP_TRANSITION(vha))
2326                         rval = QLA_FUNCTION_FAILED;
2327                 else
2328                         rval = qla2x00_configure_fabric(vha);
2329         }
2330
2331         if (rval == QLA_SUCCESS) {
2332                 if (atomic_read(&vha->loop_down_timer) ||
2333                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2334                         rval = QLA_FUNCTION_FAILED;
2335                 } else {
2336                         atomic_set(&vha->loop_state, LOOP_READY);
2337
2338                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2339                 }
2340         }
2341
2342         if (rval) {
2343                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2344                     __func__, vha->host_no));
2345         } else {
2346                 DEBUG3(printk("%s: exiting normally\n", __func__));
2347         }
2348
2349         /* Restore state if a resync event occurred during processing */
2350         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2351                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2352                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2353                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2354                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2355                         vha->flags.rscn_queue_overflow = 1;
2356                 }
2357         }
2358
2359         return (rval);
2360 }
2361
2362
2363
2364 /*
2365  * qla2x00_configure_local_loop
2366  *      Updates Fibre Channel Device Database with local loop devices.
2367  *
2368  * Input:
2369  *      ha = adapter block pointer.
2370  *
2371  * Returns:
2372  *      0 = success.
2373  */
2374 static int
2375 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2376 {
2377         int             rval, rval2;
2378         int             found_devs;
2379         int             found;
2380         fc_port_t       *fcport, *new_fcport;
2381
2382         uint16_t        index;
2383         uint16_t        entries;
2384         char            *id_iter;
2385         uint16_t        loop_id;
2386         uint8_t         domain, area, al_pa;
2387         struct qla_hw_data *ha = vha->hw;
2388
2389         found_devs = 0;
2390         new_fcport = NULL;
2391         entries = MAX_FIBRE_DEVICES;
2392
2393         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2394         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2395
2396         /* Get list of logged in devices. */
2397         memset(ha->gid_list, 0, GID_LIST_SIZE);
2398         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2399             &entries);
2400         if (rval != QLA_SUCCESS)
2401                 goto cleanup_allocation;
2402
2403         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2404             vha->host_no, entries));
2405         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2406             entries * sizeof(struct gid_list_info)));
2407
2408         /* Allocate temporary fcport for any new fcports discovered. */
2409         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2410         if (new_fcport == NULL) {
2411                 rval = QLA_MEMORY_ALLOC_FAILED;
2412                 goto cleanup_allocation;
2413         }
2414         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2415
2416         /*
2417          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2418          */
2419         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2420                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2421                     fcport->port_type != FCT_BROADCAST &&
2422                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2423
2424                         DEBUG(printk("scsi(%ld): Marking port lost, "
2425                             "loop_id=0x%04x\n",
2426                             vha->host_no, fcport->loop_id));
2427
2428                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2429                 }
2430         }
2431
2432         /* Add devices to port list. */
2433         id_iter = (char *)ha->gid_list;
2434         for (index = 0; index < entries; index++) {
2435                 domain = ((struct gid_list_info *)id_iter)->domain;
2436                 area = ((struct gid_list_info *)id_iter)->area;
2437                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2438                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2439                         loop_id = (uint16_t)
2440                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2441                 else
2442                         loop_id = le16_to_cpu(
2443                             ((struct gid_list_info *)id_iter)->loop_id);
2444                 id_iter += ha->gid_list_info_size;
2445
2446                 /* Bypass reserved domain fields. */
2447                 if ((domain & 0xf0) == 0xf0)
2448                         continue;
2449
2450                 /* Bypass if not same domain and area of adapter. */
2451                 if (area && domain &&
2452                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2453                         continue;
2454
2455                 /* Bypass invalid local loop ID. */
2456                 if (loop_id > LAST_LOCAL_LOOP_ID)
2457                         continue;
2458
2459                 /* Fill in member data. */
2460                 new_fcport->d_id.b.domain = domain;
2461                 new_fcport->d_id.b.area = area;
2462                 new_fcport->d_id.b.al_pa = al_pa;
2463                 new_fcport->loop_id = loop_id;
2464                 new_fcport->vp_idx = vha->vp_idx;
2465                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2466                 if (rval2 != QLA_SUCCESS) {
2467                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2468                             "information -- get_port_database=%x, "
2469                             "loop_id=0x%04x\n",
2470                             vha->host_no, rval2, new_fcport->loop_id));
2471                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2472                             vha->host_no));
2473                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2474                         continue;
2475                 }
2476
2477                 /* Check for matching device in port list. */
2478                 found = 0;
2479                 fcport = NULL;
2480                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2481                         if (memcmp(new_fcport->port_name, fcport->port_name,
2482                             WWN_SIZE))
2483                                 continue;
2484
2485                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2486                         fcport->loop_id = new_fcport->loop_id;
2487                         fcport->port_type = new_fcport->port_type;
2488                         fcport->d_id.b24 = new_fcport->d_id.b24;
2489                         memcpy(fcport->node_name, new_fcport->node_name,
2490                             WWN_SIZE);
2491
2492                         found++;
2493                         break;
2494                 }
2495
2496                 if (!found) {
2497                         /* New device, add to fcports list. */
2498                         if (vha->vp_idx) {
2499                                 new_fcport->vha = vha;
2500                                 new_fcport->vp_idx = vha->vp_idx;
2501                         }
2502                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2503
2504                         /* Allocate a new replacement fcport. */
2505                         fcport = new_fcport;
2506                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2507                         if (new_fcport == NULL) {
2508                                 rval = QLA_MEMORY_ALLOC_FAILED;
2509                                 goto cleanup_allocation;
2510                         }
2511                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2512                 }
2513
2514                 /* Base iIDMA settings on HBA port speed. */
2515                 fcport->fp_speed = ha->link_data_rate;
2516
2517                 qla2x00_update_fcport(vha, fcport);
2518
2519                 found_devs++;
2520         }
2521
2522 cleanup_allocation:
2523         kfree(new_fcport);
2524
2525         if (rval != QLA_SUCCESS) {
2526                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2527                     "rval=%x\n", vha->host_no, rval));
2528         }
2529
2530         return (rval);
2531 }
2532
2533 static void
2534 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2535 {
2536 #define LS_UNKNOWN      2
2537         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2538         char *link_speed;
2539         int rval;
2540         uint16_t mb[4];
2541         struct qla_hw_data *ha = vha->hw;
2542
2543         if (!IS_IIDMA_CAPABLE(ha))
2544                 return;
2545
2546         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2547             fcport->fp_speed > ha->link_data_rate)
2548                 return;
2549
2550         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2551             mb);
2552         if (rval != QLA_SUCCESS) {
2553                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2554                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2555                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2556                     fcport->port_name[2], fcport->port_name[3],
2557                     fcport->port_name[4], fcport->port_name[5],
2558                     fcport->port_name[6], fcport->port_name[7], rval,
2559                     fcport->fp_speed, mb[0], mb[1]));
2560         } else {
2561                 link_speed = link_speeds[LS_UNKNOWN];
2562                 if (fcport->fp_speed < 5)
2563                         link_speed = link_speeds[fcport->fp_speed];
2564                 else if (fcport->fp_speed == 0x13)
2565                         link_speed = link_speeds[5];
2566                 DEBUG2(qla_printk(KERN_INFO, ha,
2567                     "iIDMA adjusted to %s GB/s on "
2568                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2569                     link_speed, fcport->port_name[0],
2570                     fcport->port_name[1], fcport->port_name[2],
2571                     fcport->port_name[3], fcport->port_name[4],
2572                     fcport->port_name[5], fcport->port_name[6],
2573                     fcport->port_name[7]));
2574         }
2575 }
2576
2577 static void
2578 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2579 {
2580         struct fc_rport_identifiers rport_ids;
2581         struct fc_rport *rport;
2582         struct qla_hw_data *ha = vha->hw;
2583
2584         qla2x00_rport_del(fcport);
2585
2586         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2587         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2588         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2589             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2590         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2591         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2592         if (!rport) {
2593                 qla_printk(KERN_WARNING, ha,
2594                     "Unable to allocate fc remote port!\n");
2595                 return;
2596         }
2597         spin_lock_irq(fcport->vha->host->host_lock);
2598         *((fc_port_t **)rport->dd_data) = fcport;
2599         spin_unlock_irq(fcport->vha->host->host_lock);
2600
2601         rport->supported_classes = fcport->supported_classes;
2602
2603         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2604         if (fcport->port_type == FCT_INITIATOR)
2605                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2606         if (fcport->port_type == FCT_TARGET)
2607                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2608         fc_remote_port_rolechg(rport, rport_ids.roles);
2609 }
2610
2611 /*
2612  * qla2x00_update_fcport
2613  *      Updates device on list.
2614  *
2615  * Input:
2616  *      ha = adapter block pointer.
2617  *      fcport = port structure pointer.
2618  *
2619  * Return:
2620  *      0  - Success
2621  *  BIT_0 - error
2622  *
2623  * Context:
2624  *      Kernel context.
2625  */
2626 void
2627 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2628 {
2629         struct qla_hw_data *ha = vha->hw;
2630
2631         fcport->vha = vha;
2632         fcport->login_retry = 0;
2633         fcport->port_login_retry_count = ha->port_down_retry_count *
2634             PORT_RETRY_TIME;
2635         atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2636             PORT_RETRY_TIME);
2637         fcport->flags &= ~FCF_LOGIN_NEEDED;
2638
2639         qla2x00_iidma_fcport(vha, fcport);
2640
2641         atomic_set(&fcport->state, FCS_ONLINE);
2642
2643         qla2x00_reg_remote_port(vha, fcport);
2644 }
2645
2646 /*
2647  * qla2x00_configure_fabric
2648  *      Setup SNS devices with loop ID's.
2649  *
2650  * Input:
2651  *      ha = adapter block pointer.
2652  *
2653  * Returns:
2654  *      0 = success.
2655  *      BIT_0 = error
2656  */
2657 static int
2658 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2659 {
2660         int     rval, rval2;
2661         fc_port_t       *fcport, *fcptemp;
2662         uint16_t        next_loopid;
2663         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2664         uint16_t        loop_id;
2665         LIST_HEAD(new_fcports);
2666         struct qla_hw_data *ha = vha->hw;
2667         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2668
2669         /* If FL port exists, then SNS is present */
2670         if (IS_FWI2_CAPABLE(ha))
2671                 loop_id = NPH_F_PORT;
2672         else
2673                 loop_id = SNS_FL_PORT;
2674         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2675         if (rval != QLA_SUCCESS) {
2676                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2677                     "Port\n", vha->host_no));
2678
2679                 vha->device_flags &= ~SWITCH_FOUND;
2680                 return (QLA_SUCCESS);
2681         }
2682         vha->device_flags |= SWITCH_FOUND;
2683
2684         /* Mark devices that need re-synchronization. */
2685         rval2 = qla2x00_device_resync(vha);
2686         if (rval2 == QLA_RSCNS_HANDLED) {
2687                 /* No point doing the scan, just continue. */
2688                 return (QLA_SUCCESS);
2689         }
2690         do {
2691                 /* FDMI support. */
2692                 if (ql2xfdmienable &&
2693                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2694                         qla2x00_fdmi_register(vha);
2695
2696                 /* Ensure we are logged into the SNS. */
2697                 if (IS_FWI2_CAPABLE(ha))
2698                         loop_id = NPH_SNS;
2699                 else
2700                         loop_id = SIMPLE_NAME_SERVER;
2701                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2702                     0xfc, mb, BIT_1 | BIT_0);
2703                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2704                         DEBUG2(qla_printk(KERN_INFO, ha,
2705                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2706                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2707                             mb[0], mb[1], mb[2], mb[6], mb[7]));
2708                         return (QLA_SUCCESS);
2709                 }
2710
2711                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2712                         if (qla2x00_rft_id(vha)) {
2713                                 /* EMPTY */
2714                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2715                                     "TYPE failed.\n", vha->host_no));
2716                         }
2717                         if (qla2x00_rff_id(vha)) {
2718                                 /* EMPTY */
2719                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2720                                     "Features failed.\n", vha->host_no));
2721                         }
2722                         if (qla2x00_rnn_id(vha)) {
2723                                 /* EMPTY */
2724                                 DEBUG2(printk("scsi(%ld): Register Node Name "
2725                                     "failed.\n", vha->host_no));
2726                         } else if (qla2x00_rsnn_nn(vha)) {
2727                                 /* EMPTY */
2728                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
2729                                     "Node Name failed.\n", vha->host_no));
2730                         }
2731                 }
2732
2733                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2734                 if (rval != QLA_SUCCESS)
2735                         break;
2736
2737                 /*
2738                  * Logout all previous fabric devices marked lost, except
2739                  * FCP2 devices.
2740                  */
2741                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2742                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2743                                 break;
2744
2745                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2746                                 continue;
2747
2748                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2749                                 qla2x00_mark_device_lost(vha, fcport,
2750                                     ql2xplogiabsentdevice, 0);
2751                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
2752                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
2753                                     fcport->port_type != FCT_INITIATOR &&
2754                                     fcport->port_type != FCT_BROADCAST) {
2755                                         ha->isp_ops->fabric_logout(vha,
2756                                             fcport->loop_id,
2757                                             fcport->d_id.b.domain,
2758                                             fcport->d_id.b.area,
2759                                             fcport->d_id.b.al_pa);
2760                                         fcport->loop_id = FC_NO_LOOP_ID;
2761                                 }
2762                         }
2763                 }
2764
2765                 /* Starting free loop ID. */
2766                 next_loopid = ha->min_external_loopid;
2767
2768                 /*
2769                  * Scan through our port list and login entries that need to be
2770                  * logged in.
2771                  */
2772                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2773                         if (atomic_read(&vha->loop_down_timer) ||
2774                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2775                                 break;
2776
2777                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2778                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2779                                 continue;
2780
2781                         if (fcport->loop_id == FC_NO_LOOP_ID) {
2782                                 fcport->loop_id = next_loopid;
2783                                 rval = qla2x00_find_new_loop_id(
2784                                     base_vha, fcport);
2785                                 if (rval != QLA_SUCCESS) {
2786                                         /* Ran out of IDs to use */
2787                                         break;
2788                                 }
2789                         }
2790                         /* Login and update database */
2791                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2792                 }
2793
2794                 /* Exit if out of loop IDs. */
2795                 if (rval != QLA_SUCCESS) {
2796                         break;
2797                 }
2798
2799                 /*
2800                  * Login and add the new devices to our port list.
2801                  */
2802                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2803                         if (atomic_read(&vha->loop_down_timer) ||
2804                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2805                                 break;
2806
2807                         /* Find a new loop ID to use. */
2808                         fcport->loop_id = next_loopid;
2809                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
2810                         if (rval != QLA_SUCCESS) {
2811                                 /* Ran out of IDs to use */
2812                                 break;
2813                         }
2814
2815                         /* Login and update database */
2816                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2817
2818                         if (vha->vp_idx) {
2819                                 fcport->vha = vha;
2820                                 fcport->vp_idx = vha->vp_idx;
2821                         }
2822                         list_move_tail(&fcport->list, &vha->vp_fcports);
2823                 }
2824         } while (0);
2825
2826         /* Free all new device structures not processed. */
2827         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2828                 list_del(&fcport->list);
2829                 kfree(fcport);
2830         }
2831
2832         if (rval) {
2833                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2834                     "rval=%d\n", vha->host_no, rval));
2835         }
2836
2837         return (rval);
2838 }
2839
2840
2841 /*
2842  * qla2x00_find_all_fabric_devs
2843  *
2844  * Input:
2845  *      ha = adapter block pointer.
2846  *      dev = database device entry pointer.
2847  *
2848  * Returns:
2849  *      0 = success.
2850  *
2851  * Context:
2852  *      Kernel context.
2853  */
2854 static int
2855 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2856         struct list_head *new_fcports)
2857 {
2858         int             rval;
2859         uint16_t        loop_id;
2860         fc_port_t       *fcport, *new_fcport, *fcptemp;
2861         int             found;
2862
2863         sw_info_t       *swl;
2864         int             swl_idx;
2865         int             first_dev, last_dev;
2866         port_id_t       wrap, nxt_d_id;
2867         struct qla_hw_data *ha = vha->hw;
2868         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
2869         struct scsi_qla_host *tvp;
2870
2871         rval = QLA_SUCCESS;
2872
2873         /* Try GID_PT to get device list, else GAN. */
2874         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2875         if (!swl) {
2876                 /*EMPTY*/
2877                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2878                     "on GA_NXT\n", vha->host_no));
2879         } else {
2880                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
2881                         kfree(swl);
2882                         swl = NULL;
2883                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
2884                         kfree(swl);
2885                         swl = NULL;
2886                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
2887                         kfree(swl);
2888                         swl = NULL;
2889                 } else if (ql2xiidmaenable &&
2890                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2891                         qla2x00_gpsc(vha, swl);
2892                 }
2893         }
2894         swl_idx = 0;
2895
2896         /* Allocate temporary fcport for any new fcports discovered. */
2897         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2898         if (new_fcport == NULL) {
2899                 kfree(swl);
2900                 return (QLA_MEMORY_ALLOC_FAILED);
2901         }
2902         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2903         /* Set start port ID scan at adapter ID. */
2904         first_dev = 1;
2905         last_dev = 0;
2906
2907         /* Starting free loop ID. */
2908         loop_id = ha->min_external_loopid;
2909         for (; loop_id <= ha->max_loop_id; loop_id++) {
2910                 if (qla2x00_is_reserved_id(vha, loop_id))
2911                         continue;
2912
2913                 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
2914                         break;
2915
2916                 if (swl != NULL) {
2917                         if (last_dev) {
2918                                 wrap.b24 = new_fcport->d_id.b24;
2919                         } else {
2920                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2921                                 memcpy(new_fcport->node_name,
2922                                     swl[swl_idx].node_name, WWN_SIZE);
2923                                 memcpy(new_fcport->port_name,
2924                                     swl[swl_idx].port_name, WWN_SIZE);
2925                                 memcpy(new_fcport->fabric_port_name,
2926                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
2927                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2928
2929                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2930                                         last_dev = 1;
2931                                 }
2932                                 swl_idx++;
2933                         }
2934                 } else {
2935                         /* Send GA_NXT to the switch */
2936                         rval = qla2x00_ga_nxt(vha, new_fcport);
2937                         if (rval != QLA_SUCCESS) {
2938                                 qla_printk(KERN_WARNING, ha,
2939                                     "SNS scan failed -- assuming zero-entry "
2940                                     "result...\n");
2941                                 list_for_each_entry_safe(fcport, fcptemp,
2942                                     new_fcports, list) {
2943                                         list_del(&fcport->list);
2944                                         kfree(fcport);
2945                                 }
2946                                 rval = QLA_SUCCESS;
2947                                 break;
2948                         }
2949                 }
2950
2951                 /* If wrap on switch device list, exit. */
2952                 if (first_dev) {
2953                         wrap.b24 = new_fcport->d_id.b24;
2954                         first_dev = 0;
2955                 } else if (new_fcport->d_id.b24 == wrap.b24) {
2956                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2957                             vha->host_no, new_fcport->d_id.b.domain,
2958                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2959                         break;
2960                 }
2961
2962                 /* Bypass if same physical adapter. */
2963                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
2964                         continue;
2965
2966                 /* Bypass virtual ports of the same host. */
2967                 found = 0;
2968                 if (ha->num_vhosts) {
2969                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2970                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2971                                         found = 1;
2972                                         break;
2973                                 }
2974                         }
2975                         if (found)
2976                                 continue;
2977                 }
2978
2979                 /* Bypass if same domain and area of adapter. */
2980                 if (((new_fcport->d_id.b24 & 0xffff00) ==
2981                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2982                         ISP_CFG_FL)
2983                             continue;
2984
2985                 /* Bypass reserved domain fields. */
2986                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2987                         continue;
2988
2989                 /* Locate matching device in database. */
2990                 found = 0;
2991                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2992                         if (memcmp(new_fcport->port_name, fcport->port_name,
2993                             WWN_SIZE))
2994                                 continue;
2995
2996                         found++;
2997
2998                         /* Update port state. */
2999                         memcpy(fcport->fabric_port_name,
3000                             new_fcport->fabric_port_name, WWN_SIZE);
3001                         fcport->fp_speed = new_fcport->fp_speed;
3002
3003                         /*
3004                          * If address the same and state FCS_ONLINE, nothing
3005                          * changed.
3006                          */
3007                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3008                             atomic_read(&fcport->state) == FCS_ONLINE) {
3009                                 break;
3010                         }
3011
3012                         /*
3013                          * If device was not a fabric device before.
3014                          */
3015                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3016                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3017                                 fcport->loop_id = FC_NO_LOOP_ID;
3018                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3019                                     FCF_LOGIN_NEEDED);
3020                                 break;
3021                         }
3022
3023                         /*
3024                          * Port ID changed or device was marked to be updated;
3025                          * Log it out if still logged in and mark it for
3026                          * relogin later.
3027                          */
3028                         fcport->d_id.b24 = new_fcport->d_id.b24;
3029                         fcport->flags |= FCF_LOGIN_NEEDED;
3030                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3031                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3032                             fcport->port_type != FCT_INITIATOR &&
3033                             fcport->port_type != FCT_BROADCAST) {
3034                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3035                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3036                                     fcport->d_id.b.al_pa);
3037                                 fcport->loop_id = FC_NO_LOOP_ID;
3038                         }
3039
3040                         break;
3041                 }
3042
3043                 if (found)
3044                         continue;
3045                 /* If device was not in our fcports list, then add it. */
3046                 list_add_tail(&new_fcport->list, new_fcports);
3047
3048                 /* Allocate a new replacement fcport. */
3049                 nxt_d_id.b24 = new_fcport->d_id.b24;
3050                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3051                 if (new_fcport == NULL) {
3052                         kfree(swl);
3053                         return (QLA_MEMORY_ALLOC_FAILED);
3054                 }
3055                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3056                 new_fcport->d_id.b24 = nxt_d_id.b24;
3057         }
3058
3059         kfree(swl);
3060         kfree(new_fcport);
3061
3062         return (rval);
3063 }
3064
3065 /*
3066  * qla2x00_find_new_loop_id
3067  *      Scan through our port list and find a new usable loop ID.
3068  *
3069  * Input:
3070  *      ha:     adapter state pointer.
3071  *      dev:    port structure pointer.
3072  *
3073  * Returns:
3074  *      qla2x00 local function return status code.
3075  *
3076  * Context:
3077  *      Kernel context.
3078  */
3079 static int
3080 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3081 {
3082         int     rval;
3083         int     found;
3084         fc_port_t *fcport;
3085         uint16_t first_loop_id;
3086         struct qla_hw_data *ha = vha->hw;
3087         struct scsi_qla_host *vp;
3088         struct scsi_qla_host *tvp;
3089
3090         rval = QLA_SUCCESS;
3091
3092         /* Save starting loop ID. */
3093         first_loop_id = dev->loop_id;
3094
3095         for (;;) {
3096                 /* Skip loop ID if already used by adapter. */
3097                 if (dev->loop_id == vha->loop_id)
3098                         dev->loop_id++;
3099
3100                 /* Skip reserved loop IDs. */
3101                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3102                         dev->loop_id++;
3103
3104                 /* Reset loop ID if passed the end. */
3105                 if (dev->loop_id > ha->max_loop_id) {
3106                         /* first loop ID. */
3107                         dev->loop_id = ha->min_external_loopid;
3108                 }
3109
3110                 /* Check for loop ID being already in use. */
3111                 found = 0;
3112                 fcport = NULL;
3113                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3114                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
3115                                 if (fcport->loop_id == dev->loop_id &&
3116                                                                 fcport != dev) {
3117                                         /* ID possibly in use */
3118                                         found++;
3119                                         break;
3120                                 }
3121                         }
3122                         if (found)
3123                                 break;
3124                 }
3125
3126                 /* If not in use then it is free to use. */
3127                 if (!found) {
3128                         break;
3129                 }
3130
3131                 /* ID in use. Try next value. */
3132                 dev->loop_id++;
3133
3134                 /* If wrap around. No free ID to use. */
3135                 if (dev->loop_id == first_loop_id) {
3136                         dev->loop_id = FC_NO_LOOP_ID;
3137                         rval = QLA_FUNCTION_FAILED;
3138                         break;
3139                 }
3140         }
3141
3142         return (rval);
3143 }
3144
3145 /*
3146  * qla2x00_device_resync
3147  *      Marks devices in the database that needs resynchronization.
3148  *
3149  * Input:
3150  *      ha = adapter block pointer.
3151  *
3152  * Context:
3153  *      Kernel context.
3154  */
3155 static int
3156 qla2x00_device_resync(scsi_qla_host_t *vha)
3157 {
3158         int     rval;
3159         uint32_t mask;
3160         fc_port_t *fcport;
3161         uint32_t rscn_entry;
3162         uint8_t rscn_out_iter;
3163         uint8_t format;
3164         port_id_t d_id;
3165
3166         rval = QLA_RSCNS_HANDLED;
3167
3168         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3169             vha->flags.rscn_queue_overflow) {
3170
3171                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3172                 format = MSB(MSW(rscn_entry));
3173                 d_id.b.domain = LSB(MSW(rscn_entry));
3174                 d_id.b.area = MSB(LSW(rscn_entry));
3175                 d_id.b.al_pa = LSB(LSW(rscn_entry));
3176
3177                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3178                     "[%02x/%02x%02x%02x].\n",
3179                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3180                     d_id.b.area, d_id.b.al_pa));
3181
3182                 vha->rscn_out_ptr++;
3183                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3184                         vha->rscn_out_ptr = 0;
3185
3186                 /* Skip duplicate entries. */
3187                 for (rscn_out_iter = vha->rscn_out_ptr;
3188                     !vha->flags.rscn_queue_overflow &&
3189                     rscn_out_iter != vha->rscn_in_ptr;
3190                     rscn_out_iter = (rscn_out_iter ==
3191                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3192
3193                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3194                                 break;
3195
3196                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3197                             "entry found at [%d].\n", vha->host_no,
3198                             rscn_out_iter));
3199
3200                         vha->rscn_out_ptr = rscn_out_iter;
3201                 }
3202
3203                 /* Queue overflow, set switch default case. */
3204                 if (vha->flags.rscn_queue_overflow) {
3205                         DEBUG(printk("scsi(%ld): device_resync: rscn "
3206                             "overflow.\n", vha->host_no));
3207
3208                         format = 3;
3209                         vha->flags.rscn_queue_overflow = 0;
3210                 }
3211
3212                 switch (format) {
3213                 case 0:
3214                         mask = 0xffffff;
3215                         break;
3216                 case 1:
3217                         mask = 0xffff00;
3218                         break;
3219                 case 2:
3220                         mask = 0xff0000;
3221                         break;
3222                 default:
3223                         mask = 0x0;
3224                         d_id.b24 = 0;
3225                         vha->rscn_out_ptr = vha->rscn_in_ptr;
3226                         break;
3227                 }
3228
3229                 rval = QLA_SUCCESS;
3230
3231                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3232                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3233                             (fcport->d_id.b24 & mask) != d_id.b24 ||
3234                             fcport->port_type == FCT_BROADCAST)
3235                                 continue;
3236
3237                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3238                                 if (format != 3 ||
3239                                     fcport->port_type != FCT_INITIATOR) {
3240                                         qla2x00_mark_device_lost(vha, fcport,
3241                                             0, 0);
3242                                 }
3243                         }
3244                 }
3245         }
3246         return (rval);
3247 }
3248
3249 /*
3250  * qla2x00_fabric_dev_login
3251  *      Login fabric target device and update FC port database.
3252  *
3253  * Input:
3254  *      ha:             adapter state pointer.
3255  *      fcport:         port structure list pointer.
3256  *      next_loopid:    contains value of a new loop ID that can be used
3257  *                      by the next login attempt.
3258  *
3259  * Returns:
3260  *      qla2x00 local function return status code.
3261  *
3262  * Context:
3263  *      Kernel context.
3264  */
3265 static int
3266 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3267     uint16_t *next_loopid)
3268 {
3269         int     rval;
3270         int     retry;
3271         uint8_t opts;
3272         struct qla_hw_data *ha = vha->hw;
3273
3274         rval = QLA_SUCCESS;
3275         retry = 0;
3276
3277         if (IS_ALOGIO_CAPABLE(ha)) {
3278                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3279                 if (!rval)
3280                         return rval;
3281         }
3282
3283         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3284         if (rval == QLA_SUCCESS) {
3285                 /* Send an ADISC to FCP2 devices.*/
3286                 opts = 0;
3287                 if (fcport->flags & FCF_FCP2_DEVICE)
3288                         opts |= BIT_1;
3289                 rval = qla2x00_get_port_database(vha, fcport, opts);
3290                 if (rval != QLA_SUCCESS) {
3291                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3292                             fcport->d_id.b.domain, fcport->d_id.b.area,
3293                             fcport->d_id.b.al_pa);
3294                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3295                 } else {
3296                         qla2x00_update_fcport(vha, fcport);
3297                 }
3298         }
3299
3300         return (rval);
3301 }
3302
3303 /*
3304  * qla2x00_fabric_login
3305  *      Issue fabric login command.
3306  *
3307  * Input:
3308  *      ha = adapter block pointer.
3309  *      device = pointer to FC device type structure.
3310  *
3311  * Returns:
3312  *      0 - Login successfully
3313  *      1 - Login failed
3314  *      2 - Initiator device
3315  *      3 - Fatal error
3316  */
3317 int
3318 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3319     uint16_t *next_loopid)
3320 {
3321         int     rval;
3322         int     retry;
3323         uint16_t tmp_loopid;
3324         uint16_t mb[MAILBOX_REGISTER_COUNT];
3325         struct qla_hw_data *ha = vha->hw;
3326
3327         retry = 0;
3328         tmp_loopid = 0;
3329
3330         for (;;) {
3331                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3332                     "for port %02x%02x%02x.\n",
3333                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3334                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3335
3336                 /* Login fcport on switch. */
3337                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3338                     fcport->d_id.b.domain, fcport->d_id.b.area,
3339                     fcport->d_id.b.al_pa, mb, BIT_0);
3340                 if (mb[0] == MBS_PORT_ID_USED) {
3341                         /*
3342                          * Device has another loop ID.  The firmware team
3343                          * recommends the driver perform an implicit login with
3344                          * the specified ID again. The ID we just used is save
3345                          * here so we return with an ID that can be tried by
3346                          * the next login.
3347                          */
3348                         retry++;
3349                         tmp_loopid = fcport->loop_id;
3350                         fcport->loop_id = mb[1];
3351
3352                         DEBUG(printk("Fabric Login: port in use - next "
3353                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3354                             fcport->loop_id, fcport->d_id.b.domain,
3355                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3356
3357                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3358                         /*
3359                          * Login succeeded.
3360                          */
3361                         if (retry) {
3362                                 /* A retry occurred before. */
3363                                 *next_loopid = tmp_loopid;
3364                         } else {
3365                                 /*
3366                                  * No retry occurred before. Just increment the
3367                                  * ID value for next login.
3368                                  */
3369                                 *next_loopid = (fcport->loop_id + 1);
3370                         }
3371
3372                         if (mb[1] & BIT_0) {
3373                                 fcport->port_type = FCT_INITIATOR;
3374                         } else {
3375                                 fcport->port_type = FCT_TARGET;
3376                                 if (mb[1] & BIT_1) {
3377                                         fcport->flags |= FCF_FCP2_DEVICE;
3378                                 }
3379                         }
3380
3381                         if (mb[10] & BIT_0)
3382                                 fcport->supported_classes |= FC_COS_CLASS2;
3383                         if (mb[10] & BIT_1)
3384                                 fcport->supported_classes |= FC_COS_CLASS3;
3385
3386                         rval = QLA_SUCCESS;
3387                         break;
3388                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3389                         /*
3390                          * Loop ID already used, try next loop ID.
3391                          */
3392                         fcport->loop_id++;
3393                         rval = qla2x00_find_new_loop_id(vha, fcport);
3394                         if (rval != QLA_SUCCESS) {
3395                                 /* Ran out of loop IDs to use */
3396                                 break;
3397                         }
3398                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3399                         /*
3400                          * Firmware possibly timed out during login. If NO
3401                          * retries are left to do then the device is declared
3402                          * dead.
3403                          */
3404                         *next_loopid = fcport->loop_id;
3405                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3406                             fcport->d_id.b.domain, fcport->d_id.b.area,
3407                             fcport->d_id.b.al_pa);
3408                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3409
3410                         rval = 1;
3411                         break;
3412                 } else {
3413                         /*
3414                          * unrecoverable / not handled error
3415                          */
3416                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3417                             "loop_id=%x jiffies=%lx.\n",
3418                             __func__, vha->host_no, mb[0],
3419                             fcport->d_id.b.domain, fcport->d_id.b.area,
3420                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3421
3422                         *next_loopid = fcport->loop_id;
3423                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3424                             fcport->d_id.b.domain, fcport->d_id.b.area,
3425                             fcport->d_id.b.al_pa);
3426                         fcport->loop_id = FC_NO_LOOP_ID;
3427                         fcport->login_retry = 0;
3428
3429                         rval = 3;
3430                         break;
3431                 }
3432         }
3433
3434         return (rval);
3435 }
3436
3437 /*
3438  * qla2x00_local_device_login
3439  *      Issue local device login command.
3440  *
3441  * Input:
3442  *      ha = adapter block pointer.
3443  *      loop_id = loop id of device to login to.
3444  *
3445  * Returns (Where's the #define!!!!):
3446  *      0 - Login successfully
3447  *      1 - Login failed
3448  *      3 - Fatal error
3449  */
3450 int
3451 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3452 {
3453         int             rval;
3454         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3455
3456         memset(mb, 0, sizeof(mb));
3457         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3458         if (rval == QLA_SUCCESS) {
3459                 /* Interrogate mailbox registers for any errors */
3460                 if (mb[0] == MBS_COMMAND_ERROR)
3461                         rval = 1;
3462                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3463                         /* device not in PCB table */
3464                         rval = 3;
3465         }
3466
3467         return (rval);
3468 }
3469
3470 /*
3471  *  qla2x00_loop_resync
3472  *      Resync with fibre channel devices.
3473  *
3474  * Input:
3475  *      ha = adapter block pointer.
3476  *
3477  * Returns:
3478  *      0 = success
3479  */
3480 int
3481 qla2x00_loop_resync(scsi_qla_host_t *vha)
3482 {
3483         int rval = QLA_SUCCESS;
3484         uint32_t wait_time;
3485         struct req_que *req;
3486         struct rsp_que *rsp;
3487
3488         if (vha->hw->flags.cpu_affinity_enabled)
3489                 req = vha->hw->req_q_map[0];
3490         else
3491                 req = vha->req;
3492         rsp = req->rsp;
3493
3494         atomic_set(&vha->loop_state, LOOP_UPDATE);
3495         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3496         if (vha->flags.online) {
3497                 if (!(rval = qla2x00_fw_ready(vha))) {
3498                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3499                         wait_time = 256;
3500                         do {
3501                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3502
3503                                 /* Issue a marker after FW becomes ready. */
3504                                 qla2x00_marker(vha, req, rsp, 0, 0,
3505                                         MK_SYNC_ALL);
3506                                 vha->marker_needed = 0;
3507
3508                                 /* Remap devices on Loop. */
3509                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3510
3511                                 qla2x00_configure_loop(vha);
3512                                 wait_time--;
3513                         } while (!atomic_read(&vha->loop_down_timer) &&
3514                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3515                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3516                                 &vha->dpc_flags)));
3517                 }
3518         }
3519
3520         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3521                 return (QLA_FUNCTION_FAILED);
3522
3523         if (rval)
3524                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3525
3526         return (rval);
3527 }
3528
3529 void
3530 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3531 {
3532         fc_port_t *fcport;
3533         struct scsi_qla_host *tvp, *vha;
3534
3535         /* Go with deferred removal of rport references. */
3536         list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list)
3537                 list_for_each_entry(fcport, &vha->vp_fcports, list)
3538                         if (fcport && fcport->drport &&
3539                             atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3540                                 qla2x00_rport_del(fcport);
3541 }
3542
3543 /*
3544 *  qla2x00_abort_isp
3545 *      Resets ISP and aborts all outstanding commands.
3546 *
3547 * Input:
3548 *      ha           = adapter block pointer.
3549 *
3550 * Returns:
3551 *      0 = success
3552 */
3553 int
3554 qla2x00_abort_isp(scsi_qla_host_t *vha)
3555 {
3556         int rval;
3557         uint8_t        status = 0;
3558         struct qla_hw_data *ha = vha->hw;
3559         struct scsi_qla_host *vp;
3560         struct scsi_qla_host *tvp;
3561         struct req_que *req = ha->req_q_map[0];
3562
3563         if (vha->flags.online) {
3564                 vha->flags.online = 0;
3565                 ha->flags.chip_reset_done = 0;
3566                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3567                 ha->qla_stats.total_isp_aborts++;
3568
3569                 qla_printk(KERN_INFO, ha,
3570                     "Performing ISP error recovery - ha= %p.\n", ha);
3571                 ha->isp_ops->reset_chip(vha);
3572
3573                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3574                 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3575                         atomic_set(&vha->loop_state, LOOP_DOWN);
3576                         qla2x00_mark_all_devices_lost(vha, 0);
3577                 } else {
3578                         if (!atomic_read(&vha->loop_down_timer))
3579                                 atomic_set(&vha->loop_down_timer,
3580                                     LOOP_DOWN_TIME);
3581                 }
3582
3583                 /* Requeue all commands in outstanding command list. */
3584                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3585
3586                 if (unlikely(pci_channel_offline(ha->pdev) &&
3587                     ha->flags.pci_channel_io_perm_failure)) {
3588                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3589                         status = 0;
3590                         return status;
3591                 }
3592
3593                 ha->isp_ops->get_flash_version(vha, req->ring);
3594
3595                 ha->isp_ops->nvram_config(vha);
3596
3597                 if (!qla2x00_restart_isp(vha)) {
3598                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3599
3600                         if (!atomic_read(&vha->loop_down_timer)) {
3601                                 /*
3602                                  * Issue marker command only when we are going
3603                                  * to start the I/O .
3604                                  */
3605                                 vha->marker_needed = 1;
3606                         }
3607
3608                         vha->flags.online = 1;
3609
3610                         ha->isp_ops->enable_intrs(ha);
3611
3612                         ha->isp_abort_cnt = 0;
3613                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3614
3615                         if (IS_QLA81XX(ha))
3616                                 qla2x00_get_fw_version(vha,
3617                                     &ha->fw_major_version,
3618                                     &ha->fw_minor_version,
3619                                     &ha->fw_subminor_version,
3620                                     &ha->fw_attributes, &ha->fw_memory_size,
3621                                     ha->mpi_version, &ha->mpi_capabilities,
3622                                     ha->phy_version);
3623
3624                         if (ha->fce) {
3625                                 ha->flags.fce_enabled = 1;
3626                                 memset(ha->fce, 0,
3627                                     fce_calc_size(ha->fce_bufs));
3628                                 rval = qla2x00_enable_fce_trace(vha,
3629                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3630                                     &ha->fce_bufs);
3631                                 if (rval) {
3632                                         qla_printk(KERN_WARNING, ha,
3633                                             "Unable to reinitialize FCE "
3634                                             "(%d).\n", rval);
3635                                         ha->flags.fce_enabled = 0;
3636                                 }
3637                         }
3638
3639                         if (ha->eft) {
3640                                 memset(ha->eft, 0, EFT_SIZE);
3641                                 rval = qla2x00_enable_eft_trace(vha,
3642                                     ha->eft_dma, EFT_NUM_BUFFERS);
3643                                 if (rval) {
3644                                         qla_printk(KERN_WARNING, ha,
3645                                             "Unable to reinitialize EFT "
3646                                             "(%d).\n", rval);
3647                                 }
3648                         }
3649                 } else {        /* failed the ISP abort */
3650                         vha->flags.online = 1;
3651                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3652                                 if (ha->isp_abort_cnt == 0) {
3653                                         qla_printk(KERN_WARNING, ha,
3654                                             "ISP error recovery failed - "
3655                                             "board disabled\n");
3656                                         /*
3657                                          * The next call disables the board
3658                                          * completely.
3659                                          */
3660                                         ha->isp_ops->reset_adapter(vha);
3661                                         vha->flags.online = 0;
3662                                         clear_bit(ISP_ABORT_RETRY,
3663                                             &vha->dpc_flags);
3664                                         status = 0;
3665                                 } else { /* schedule another ISP abort */
3666                                         ha->isp_abort_cnt--;
3667                                         DEBUG(printk("qla%ld: ISP abort - "
3668                                             "retry remaining %d\n",
3669                                             vha->host_no, ha->isp_abort_cnt));
3670                                         status = 1;
3671                                 }
3672                         } else {
3673                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3674                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3675                                     "- retrying (%d) more times\n",
3676                                     vha->host_no, ha->isp_abort_cnt));
3677                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3678                                 status = 1;
3679                         }
3680                 }
3681
3682         }
3683
3684         if (!status) {
3685                 DEBUG(printk(KERN_INFO
3686                                 "qla2x00_abort_isp(%ld): succeeded.\n",
3687                                 vha->host_no));
3688                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3689                         if (vp->vp_idx)
3690                                 qla2x00_vp_abort_isp(vp);
3691                 }
3692         } else {
3693                 qla_printk(KERN_INFO, ha,
3694                         "qla2x00_abort_isp: **** FAILED ****\n");
3695         }
3696
3697         return(status);
3698 }
3699
3700 /*
3701 *  qla2x00_restart_isp
3702 *      restarts the ISP after a reset
3703 *
3704 * Input:
3705 *      ha = adapter block pointer.
3706 *
3707 * Returns:
3708 *      0 = success
3709 */
3710 static int
3711 qla2x00_restart_isp(scsi_qla_host_t *vha)
3712 {
3713         int status = 0;
3714         uint32_t wait_time;
3715         struct qla_hw_data *ha = vha->hw;
3716         struct req_que *req = ha->req_q_map[0];
3717         struct rsp_que *rsp = ha->rsp_q_map[0];
3718
3719         /* If firmware needs to be loaded */
3720         if (qla2x00_isp_firmware(vha)) {
3721                 vha->flags.online = 0;
3722                 status = ha->isp_ops->chip_diag(vha);
3723                 if (!status)
3724                         status = qla2x00_setup_chip(vha);
3725         }
3726
3727         if (!status && !(status = qla2x00_init_rings(vha))) {
3728                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3729                 ha->flags.chip_reset_done = 1;
3730                 /* Initialize the queues in use */
3731                 qla25xx_init_queues(ha);
3732
3733                 status = qla2x00_fw_ready(vha);
3734                 if (!status) {
3735                         DEBUG(printk("%s(): Start configure loop, "
3736                             "status = %d\n", __func__, status));
3737
3738                         /* Issue a marker after FW becomes ready. */
3739                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3740
3741                         vha->flags.online = 1;
3742                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3743                         wait_time = 256;
3744                         do {
3745                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3746                                 qla2x00_configure_loop(vha);
3747                                 wait_time--;
3748                         } while (!atomic_read(&vha->loop_down_timer) &&
3749                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3750                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3751                                 &vha->dpc_flags)));
3752                 }
3753
3754                 /* if no cable then assume it's good */
3755                 if ((vha->device_flags & DFLG_NO_CABLE))
3756                         status = 0;
3757
3758                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3759                                 __func__,
3760                                 status));
3761         }
3762         return (status);
3763 }
3764
3765 static int
3766 qla25xx_init_queues(struct qla_hw_data *ha)
3767 {
3768         struct rsp_que *rsp = NULL;
3769         struct req_que *req = NULL;
3770         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3771         int ret = -1;
3772         int i;
3773
3774         for (i = 1; i < ha->max_rsp_queues; i++) {
3775                 rsp = ha->rsp_q_map[i];
3776                 if (rsp) {
3777                         rsp->options &= ~BIT_0;
3778                         ret = qla25xx_init_rsp_que(base_vha, rsp);
3779                         if (ret != QLA_SUCCESS)
3780                                 DEBUG2_17(printk(KERN_WARNING
3781                                         "%s Rsp que:%d init failed\n", __func__,
3782                                                 rsp->id));
3783                         else
3784                                 DEBUG2_17(printk(KERN_INFO
3785                                         "%s Rsp que:%d inited\n", __func__,
3786                                                 rsp->id));
3787                 }
3788         }
3789         for (i = 1; i < ha->max_req_queues; i++) {
3790                 req = ha->req_q_map[i];
3791                 if (req) {
3792                 /* Clear outstanding commands array. */
3793                         req->options &= ~BIT_0;
3794                         ret = qla25xx_init_req_que(base_vha, req);
3795                         if (ret != QLA_SUCCESS)
3796                                 DEBUG2_17(printk(KERN_WARNING
3797                                         "%s Req que:%d init failed\n", __func__,
3798                                                 req->id));
3799                         else
3800                                 DEBUG2_17(printk(KERN_WARNING
3801                                         "%s Req que:%d inited\n", __func__,
3802                                                 req->id));
3803                 }
3804         }
3805         return ret;
3806 }
3807
3808 /*
3809 * qla2x00_reset_adapter
3810 *      Reset adapter.
3811 *
3812 * Input:
3813 *      ha = adapter block pointer.
3814 */
3815 void
3816 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3817 {
3818         unsigned long flags = 0;
3819         struct qla_hw_data *ha = vha->hw;
3820         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3821
3822         vha->flags.online = 0;
3823         ha->isp_ops->disable_intrs(ha);
3824
3825         spin_lock_irqsave(&ha->hardware_lock, flags);
3826         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3827         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3828         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3829         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3830         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3831 }
3832
3833 void
3834 qla24xx_reset_adapter(scsi_qla_host_t *vha)
3835 {
3836         unsigned long flags = 0;
3837         struct qla_hw_data *ha = vha->hw;
3838         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3839
3840         vha->flags.online = 0;
3841         ha->isp_ops->disable_intrs(ha);
3842
3843         spin_lock_irqsave(&ha->hardware_lock, flags);
3844         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3845         RD_REG_DWORD(&reg->hccr);
3846         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3847         RD_REG_DWORD(&reg->hccr);
3848         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3849
3850         if (IS_NOPOLLING_TYPE(ha))
3851                 ha->isp_ops->enable_intrs(ha);
3852 }
3853
3854 /* On sparc systems, obtain port and node WWN from firmware
3855  * properties.
3856  */
3857 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3858         struct nvram_24xx *nv)
3859 {
3860 #ifdef CONFIG_SPARC
3861         struct qla_hw_data *ha = vha->hw;
3862         struct pci_dev *pdev = ha->pdev;
3863         struct device_node *dp = pci_device_to_OF_node(pdev);
3864         const u8 *val;
3865         int len;
3866
3867         val = of_get_property(dp, "port-wwn", &len);
3868         if (val && len >= WWN_SIZE)
3869                 memcpy(nv->port_name, val, WWN_SIZE);
3870
3871         val = of_get_property(dp, "node-wwn", &len);
3872         if (val && len >= WWN_SIZE)
3873                 memcpy(nv->node_name, val, WWN_SIZE);
3874 #endif
3875 }
3876
3877 int
3878 qla24xx_nvram_config(scsi_qla_host_t *vha)
3879 {
3880         int   rval;
3881         struct init_cb_24xx *icb;
3882         struct nvram_24xx *nv;
3883         uint32_t *dptr;
3884         uint8_t  *dptr1, *dptr2;
3885         uint32_t chksum;
3886         uint16_t cnt;
3887         struct qla_hw_data *ha = vha->hw;
3888
3889         rval = QLA_SUCCESS;
3890         icb = (struct init_cb_24xx *)ha->init_cb;
3891         nv = ha->nvram;
3892
3893         /* Determine NVRAM starting address. */
3894         if (ha->flags.port0) {
3895                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3896                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3897         } else {
3898                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3899                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3900         }
3901         ha->nvram_size = sizeof(struct nvram_24xx);
3902         ha->vpd_size = FA_NVRAM_VPD_SIZE;
3903
3904         /* Get VPD data into cache */
3905         ha->vpd = ha->nvram + VPD_OFFSET;
3906         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3907             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3908
3909         /* Get NVRAM data into cache and calculate checksum. */
3910         dptr = (uint32_t *)nv;
3911         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3912             ha->nvram_size);
3913         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3914                 chksum += le32_to_cpu(*dptr++);
3915
3916         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3917         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3918
3919         /* Bad NVRAM data, set defaults parameters. */
3920         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3921             || nv->id[3] != ' ' ||
3922             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3923                 /* Reset NVRAM data. */
3924                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3925                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3926                     le16_to_cpu(nv->nvram_version));
3927                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3928                     "invalid -- WWPN) defaults.\n");
3929
3930                 /*
3931                  * Set default initialization control block.
3932                  */
3933                 memset(nv, 0, ha->nvram_size);
3934                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3935                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3936                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3937                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3938                 nv->exchange_count = __constant_cpu_to_le16(0);
3939                 nv->hard_address = __constant_cpu_to_le16(124);
3940                 nv->port_name[0] = 0x21;
3941                 nv->port_name[1] = 0x00 + ha->port_no;
3942                 nv->port_name[2] = 0x00;
3943                 nv->port_name[3] = 0xe0;
3944                 nv->port_name[4] = 0x8b;
3945                 nv->port_name[5] = 0x1c;
3946                 nv->port_name[6] = 0x55;
3947                 nv->port_name[7] = 0x86;
3948                 nv->node_name[0] = 0x20;
3949                 nv->node_name[1] = 0x00;
3950                 nv->node_name[2] = 0x00;
3951                 nv->node_name[3] = 0xe0;
3952                 nv->node_name[4] = 0x8b;
3953                 nv->node_name[5] = 0x1c;
3954                 nv->node_name[6] = 0x55;
3955                 nv->node_name[7] = 0x86;
3956                 qla24xx_nvram_wwn_from_ofw(vha, nv);
3957                 nv->login_retry_count = __constant_cpu_to_le16(8);
3958                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3959                 nv->login_timeout = __constant_cpu_to_le16(0);
3960                 nv->firmware_options_1 =
3961                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3962                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3963                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3964                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3965                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3966                 nv->efi_parameters = __constant_cpu_to_le32(0);
3967                 nv->reset_delay = 5;
3968                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3969                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3970                 nv->link_down_timeout = __constant_cpu_to_le16(30);
3971
3972                 rval = 1;
3973         }
3974
3975         /* Reset Initialization control block */
3976         memset(icb, 0, ha->init_cb_size);
3977
3978         /* Copy 1st segment. */
3979         dptr1 = (uint8_t *)icb;
3980         dptr2 = (uint8_t *)&nv->version;
3981         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3982         while (cnt--)
3983                 *dptr1++ = *dptr2++;
3984
3985         icb->login_retry_count = nv->login_retry_count;
3986         icb->link_down_on_nos = nv->link_down_on_nos;
3987
3988         /* Copy 2nd segment. */
3989         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3990         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3991         cnt = (uint8_t *)&icb->reserved_3 -
3992             (uint8_t *)&icb->interrupt_delay_timer;
3993         while (cnt--)
3994                 *dptr1++ = *dptr2++;
3995
3996         /*
3997          * Setup driver NVRAM options.
3998          */
3999         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4000             "QLA2462");
4001
4002         /* Use alternate WWN? */
4003         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4004                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4005                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4006         }
4007
4008         /* Prepare nodename */
4009         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4010                 /*
4011                  * Firmware will apply the following mask if the nodename was
4012                  * not provided.
4013                  */
4014                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4015                 icb->node_name[0] &= 0xF0;
4016         }
4017
4018         /* Set host adapter parameters. */
4019         ha->flags.disable_risc_code_load = 0;
4020         ha->flags.enable_lip_reset = 0;
4021         ha->flags.enable_lip_full_login =
4022             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4023         ha->flags.enable_target_reset =
4024             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4025         ha->flags.enable_led_scheme = 0;
4026         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4027
4028         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4029             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4030
4031         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4032             sizeof(ha->fw_seriallink_options24));
4033
4034         /* save HBA serial number */
4035         ha->serial0 = icb->port_name[5];
4036         ha->serial1 = icb->port_name[6];
4037         ha->serial2 = icb->port_name[7];
4038         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4039         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4040
4041         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4042
4043         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4044
4045         /* Set minimum login_timeout to 4 seconds. */
4046         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4047                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4048         if (le16_to_cpu(nv->login_timeout) < 4)
4049                 nv->login_timeout = __constant_cpu_to_le16(4);
4050         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4051         icb->login_timeout = nv->login_timeout;
4052
4053         /* Set minimum RATOV to 100 tenths of a second. */
4054         ha->r_a_tov = 100;
4055
4056         ha->loop_reset_delay = nv->reset_delay;
4057
4058         /* Link Down Timeout = 0:
4059          *
4060          *      When Port Down timer expires we will start returning
4061          *      I/O's to OS with "DID_NO_CONNECT".
4062          *
4063          * Link Down Timeout != 0:
4064          *
4065          *       The driver waits for the link to come up after link down
4066          *       before returning I/Os to OS with "DID_NO_CONNECT".
4067          */
4068         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4069                 ha->loop_down_abort_time =
4070                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4071         } else {
4072                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4073                 ha->loop_down_abort_time =
4074                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4075         }
4076
4077         /* Need enough time to try and get the port back. */
4078         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4079         if (qlport_down_retry)
4080                 ha->port_down_retry_count = qlport_down_retry;
4081
4082         /* Set login_retry_count */
4083         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4084         if (ha->port_down_retry_count ==
4085             le16_to_cpu(nv->port_down_retry_count) &&
4086             ha->port_down_retry_count > 3)
4087                 ha->login_retry_count = ha->port_down_retry_count;
4088         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4089                 ha->login_retry_count = ha->port_down_retry_count;
4090         if (ql2xloginretrycount)
4091                 ha->login_retry_count = ql2xloginretrycount;
4092
4093         /* Enable ZIO. */
4094         if (!vha->flags.init_done) {
4095                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4096                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4097                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4098                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4099         }
4100         icb->firmware_options_2 &= __constant_cpu_to_le32(
4101             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4102         vha->flags.process_response_queue = 0;
4103         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4104                 ha->zio_mode = QLA_ZIO_MODE_6;
4105
4106                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4107                     "(%d us).\n", vha->host_no, ha->zio_mode,
4108                     ha->zio_timer * 100));
4109                 qla_printk(KERN_INFO, ha,
4110                     "ZIO mode %d enabled; timer delay (%d us).\n",
4111                     ha->zio_mode, ha->zio_timer * 100);
4112
4113                 icb->firmware_options_2 |= cpu_to_le32(
4114                     (uint32_t)ha->zio_mode);
4115                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4116                 vha->flags.process_response_queue = 1;
4117         }
4118
4119         if (rval) {
4120                 DEBUG2_3(printk(KERN_WARNING
4121                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4122         }
4123         return (rval);
4124 }
4125
4126 static int
4127 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4128     uint32_t faddr)
4129 {
4130         int     rval = QLA_SUCCESS;
4131         int     segments, fragment;
4132         uint32_t *dcode, dlen;
4133         uint32_t risc_addr;
4134         uint32_t risc_size;
4135         uint32_t i;
4136         struct qla_hw_data *ha = vha->hw;
4137         struct req_que *req = ha->req_q_map[0];
4138
4139         qla_printk(KERN_INFO, ha,
4140             "FW: Loading from flash (%x)...\n", faddr);
4141
4142         rval = QLA_SUCCESS;
4143
4144         segments = FA_RISC_CODE_SEGMENTS;
4145         dcode = (uint32_t *)req->ring;
4146         *srisc_addr = 0;
4147
4148         /* Validate firmware image by checking version. */
4149         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4150         for (i = 0; i < 4; i++)
4151                 dcode[i] = be32_to_cpu(dcode[i]);
4152         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4153             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4154             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4155                 dcode[3] == 0)) {
4156                 qla_printk(KERN_WARNING, ha,
4157                     "Unable to verify integrity of flash firmware image!\n");
4158                 qla_printk(KERN_WARNING, ha,
4159                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4160                     dcode[1], dcode[2], dcode[3]);
4161
4162                 return QLA_FUNCTION_FAILED;
4163         }
4164
4165         while (segments && rval == QLA_SUCCESS) {
4166                 /* Read segment's load information. */
4167                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4168
4169                 risc_addr = be32_to_cpu(dcode[2]);
4170                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4171                 risc_size = be32_to_cpu(dcode[3]);
4172
4173                 fragment = 0;
4174                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4175                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4176                         if (dlen > risc_size)
4177                                 dlen = risc_size;
4178
4179                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4180                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4181                             vha->host_no, risc_addr, dlen, faddr));
4182
4183                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4184                         for (i = 0; i < dlen; i++)
4185                                 dcode[i] = swab32(dcode[i]);
4186
4187                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4188                             dlen);
4189                         if (rval) {
4190                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4191                                     "segment %d of firmware\n", vha->host_no,
4192                                     fragment));
4193                                 qla_printk(KERN_WARNING, ha,
4194                                     "[ERROR] Failed to load segment %d of "
4195                                     "firmware\n", fragment);
4196                                 break;
4197                         }
4198
4199                         faddr += dlen;
4200                         risc_addr += dlen;
4201                         risc_size -= dlen;
4202                         fragment++;
4203                 }
4204
4205                 /* Next segment. */
4206                 segments--;
4207         }
4208
4209         return rval;
4210 }
4211
4212 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4213
4214 int
4215 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4216 {
4217         int     rval;
4218         int     i, fragment;
4219         uint16_t *wcode, *fwcode;
4220         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4221         struct fw_blob *blob;
4222         struct qla_hw_data *ha = vha->hw;
4223         struct req_que *req = ha->req_q_map[0];
4224
4225         /* Load firmware blob. */
4226         blob = qla2x00_request_firmware(vha);
4227         if (!blob) {
4228                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4229                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4230                     "from: " QLA_FW_URL ".\n");
4231                 return QLA_FUNCTION_FAILED;
4232         }
4233
4234         rval = QLA_SUCCESS;
4235
4236         wcode = (uint16_t *)req->ring;
4237         *srisc_addr = 0;
4238         fwcode = (uint16_t *)blob->fw->data;
4239         fwclen = 0;
4240
4241         /* Validate firmware image by checking version. */
4242         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4243                 qla_printk(KERN_WARNING, ha,
4244                     "Unable to verify integrity of firmware image (%Zd)!\n",
4245                     blob->fw->size);
4246                 goto fail_fw_integrity;
4247         }
4248         for (i = 0; i < 4; i++)
4249                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4250         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4251             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4252                 wcode[2] == 0 && wcode[3] == 0)) {
4253                 qla_printk(KERN_WARNING, ha,
4254                     "Unable to verify integrity of firmware image!\n");
4255                 qla_printk(KERN_WARNING, ha,
4256                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4257                     wcode[1], wcode[2], wcode[3]);
4258                 goto fail_fw_integrity;
4259         }
4260
4261         seg = blob->segs;
4262         while (*seg && rval == QLA_SUCCESS) {
4263                 risc_addr = *seg;
4264                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4265                 risc_size = be16_to_cpu(fwcode[3]);
4266
4267                 /* Validate firmware image size. */
4268                 fwclen += risc_size * sizeof(uint16_t);
4269                 if (blob->fw->size < fwclen) {
4270                         qla_printk(KERN_WARNING, ha,
4271                             "Unable to verify integrity of firmware image "
4272                             "(%Zd)!\n", blob->fw->size);
4273                         goto fail_fw_integrity;
4274                 }
4275
4276                 fragment = 0;
4277                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4278                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4279                         if (wlen > risc_size)
4280                                 wlen = risc_size;
4281
4282                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4283                             "addr %x, number of words 0x%x.\n", vha->host_no,
4284                             risc_addr, wlen));
4285
4286                         for (i = 0; i < wlen; i++)
4287                                 wcode[i] = swab16(fwcode[i]);
4288
4289                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4290                             wlen);
4291                         if (rval) {
4292                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4293                                     "segment %d of firmware\n", vha->host_no,
4294                                     fragment));
4295                                 qla_printk(KERN_WARNING, ha,
4296                                     "[ERROR] Failed to load segment %d of "
4297                                     "firmware\n", fragment);
4298                                 break;
4299                         }
4300
4301                         fwcode += wlen;
4302                         risc_addr += wlen;
4303                         risc_size -= wlen;
4304                         fragment++;
4305                 }
4306
4307                 /* Next segment. */
4308                 seg++;
4309         }
4310         return rval;
4311
4312 fail_fw_integrity:
4313         return QLA_FUNCTION_FAILED;
4314 }
4315
4316 static int
4317 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4318 {
4319         int     rval;
4320         int     segments, fragment;
4321         uint32_t *dcode, dlen;
4322         uint32_t risc_addr;
4323         uint32_t risc_size;
4324         uint32_t i;
4325         struct fw_blob *blob;
4326         uint32_t *fwcode, fwclen;
4327         struct qla_hw_data *ha = vha->hw;
4328         struct req_que *req = ha->req_q_map[0];
4329
4330         /* Load firmware blob. */
4331         blob = qla2x00_request_firmware(vha);
4332         if (!blob) {
4333                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4334                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4335                     "from: " QLA_FW_URL ".\n");
4336
4337                 return QLA_FUNCTION_FAILED;
4338         }
4339
4340         qla_printk(KERN_INFO, ha,
4341             "FW: Loading via request-firmware...\n");
4342
4343         rval = QLA_SUCCESS;
4344
4345         segments = FA_RISC_CODE_SEGMENTS;
4346         dcode = (uint32_t *)req->ring;
4347         *srisc_addr = 0;
4348         fwcode = (uint32_t *)blob->fw->data;
4349         fwclen = 0;
4350
4351         /* Validate firmware image by checking version. */
4352         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4353                 qla_printk(KERN_WARNING, ha,
4354                     "Unable to verify integrity of firmware image (%Zd)!\n",
4355                     blob->fw->size);
4356                 goto fail_fw_integrity;
4357         }
4358         for (i = 0; i < 4; i++)
4359                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4360         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4361             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4362             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4363                 dcode[3] == 0)) {
4364                 qla_printk(KERN_WARNING, ha,
4365                     "Unable to verify integrity of firmware image!\n");
4366                 qla_printk(KERN_WARNING, ha,
4367                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4368                     dcode[1], dcode[2], dcode[3]);
4369                 goto fail_fw_integrity;
4370         }
4371
4372         while (segments && rval == QLA_SUCCESS) {
4373                 risc_addr = be32_to_cpu(fwcode[2]);
4374                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4375                 risc_size = be32_to_cpu(fwcode[3]);
4376
4377                 /* Validate firmware image size. */
4378                 fwclen += risc_size * sizeof(uint32_t);
4379                 if (blob->fw->size < fwclen) {
4380                         qla_printk(KERN_WARNING, ha,
4381                             "Unable to verify integrity of firmware image "
4382                             "(%Zd)!\n", blob->fw->size);
4383
4384                         goto fail_fw_integrity;
4385                 }
4386
4387                 fragment = 0;
4388                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4389                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4390                         if (dlen > risc_size)
4391                                 dlen = risc_size;
4392
4393                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4394                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4395                             risc_addr, dlen));
4396
4397                         for (i = 0; i < dlen; i++)
4398                                 dcode[i] = swab32(fwcode[i]);
4399
4400                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4401                             dlen);
4402                         if (rval) {
4403                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4404                                     "segment %d of firmware\n", vha->host_no,
4405                                     fragment));
4406                                 qla_printk(KERN_WARNING, ha,
4407                                     "[ERROR] Failed to load segment %d of "
4408                                     "firmware\n", fragment);
4409                                 break;
4410                         }
4411
4412                         fwcode += dlen;
4413                         risc_addr += dlen;
4414                         risc_size -= dlen;
4415                         fragment++;
4416                 }
4417
4418                 /* Next segment. */
4419                 segments--;
4420         }
4421         return rval;
4422
4423 fail_fw_integrity:
4424         return QLA_FUNCTION_FAILED;
4425 }
4426
4427 int
4428 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4429 {
4430         int rval;
4431
4432         if (ql2xfwloadbin == 1)
4433                 return qla81xx_load_risc(vha, srisc_addr);
4434
4435         /*
4436          * FW Load priority:
4437          * 1) Firmware via request-firmware interface (.bin file).
4438          * 2) Firmware residing in flash.
4439          */
4440         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4441         if (rval == QLA_SUCCESS)
4442                 return rval;
4443
4444         return qla24xx_load_risc_flash(vha, srisc_addr,
4445             vha->hw->flt_region_fw);
4446 }
4447
4448 int
4449 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4450 {
4451         int rval;
4452         struct qla_hw_data *ha = vha->hw;
4453
4454         if (ql2xfwloadbin == 2)
4455                 goto try_blob_fw;
4456
4457         /*
4458          * FW Load priority:
4459          * 1) Firmware residing in flash.
4460          * 2) Firmware via request-firmware interface (.bin file).
4461          * 3) Golden-Firmware residing in flash -- limited operation.
4462          */
4463         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4464         if (rval == QLA_SUCCESS)
4465                 return rval;
4466
4467 try_blob_fw:
4468         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4469         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4470                 return rval;
4471
4472         qla_printk(KERN_ERR, ha,
4473             "FW: Attempting to fallback to golden firmware...\n");
4474         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4475         if (rval != QLA_SUCCESS)
4476                 return rval;
4477
4478         qla_printk(KERN_ERR, ha,
4479             "FW: Please update operational firmware...\n");
4480         ha->flags.running_gold_fw = 1;
4481
4482         return rval;
4483 }
4484
4485 void
4486 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4487 {
4488         int ret, retries;
4489         struct qla_hw_data *ha = vha->hw;
4490
4491         if (ha->flags.pci_channel_io_perm_failure)
4492                 return;
4493         if (!IS_FWI2_CAPABLE(ha))
4494                 return;
4495         if (!ha->fw_major_version)
4496                 return;
4497
4498         ret = qla2x00_stop_firmware(vha);
4499         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4500             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4501                 ha->isp_ops->reset_chip(vha);
4502                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4503                         continue;
4504                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4505                         continue;
4506                 qla_printk(KERN_INFO, ha,
4507                     "Attempting retry of stop-firmware command...\n");
4508                 ret = qla2x00_stop_firmware(vha);
4509         }
4510 }
4511
4512 int
4513 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4514 {
4515         int rval = QLA_SUCCESS;
4516         uint16_t mb[MAILBOX_REGISTER_COUNT];
4517         struct qla_hw_data *ha = vha->hw;
4518         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4519         struct req_que *req;
4520         struct rsp_que *rsp;
4521
4522         if (!vha->vp_idx)
4523                 return -EINVAL;
4524
4525         rval = qla2x00_fw_ready(base_vha);
4526         if (ha->flags.cpu_affinity_enabled)
4527                 req = ha->req_q_map[0];
4528         else
4529                 req = vha->req;
4530         rsp = req->rsp;
4531
4532         if (rval == QLA_SUCCESS) {
4533                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4534                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4535         }
4536
4537         vha->flags.management_server_logged_in = 0;
4538
4539         /* Login to SNS first */
4540         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4541         if (mb[0] != MBS_COMMAND_COMPLETE) {
4542                 DEBUG15(qla_printk(KERN_INFO, ha,
4543                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4544                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4545                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4546                 return (QLA_FUNCTION_FAILED);
4547         }
4548
4549         atomic_set(&vha->loop_down_timer, 0);
4550         atomic_set(&vha->loop_state, LOOP_UP);
4551         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4552         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4553         rval = qla2x00_loop_resync(base_vha);
4554
4555         return rval;
4556 }
4557
4558 /* 84XX Support **************************************************************/
4559
4560 static LIST_HEAD(qla_cs84xx_list);
4561 static DEFINE_MUTEX(qla_cs84xx_mutex);
4562
4563 static struct qla_chip_state_84xx *
4564 qla84xx_get_chip(struct scsi_qla_host *vha)
4565 {
4566         struct qla_chip_state_84xx *cs84xx;
4567         struct qla_hw_data *ha = vha->hw;
4568
4569         mutex_lock(&qla_cs84xx_mutex);
4570
4571         /* Find any shared 84xx chip. */
4572         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4573                 if (cs84xx->bus == ha->pdev->bus) {
4574                         kref_get(&cs84xx->kref);
4575                         goto done;
4576                 }
4577         }
4578
4579         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4580         if (!cs84xx)
4581                 goto done;
4582
4583         kref_init(&cs84xx->kref);
4584         spin_lock_init(&cs84xx->access_lock);
4585         mutex_init(&cs84xx->fw_update_mutex);
4586         cs84xx->bus = ha->pdev->bus;
4587
4588         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4589 done:
4590         mutex_unlock(&qla_cs84xx_mutex);
4591         return cs84xx;
4592 }
4593
4594 static void
4595 __qla84xx_chip_release(struct kref *kref)
4596 {
4597         struct qla_chip_state_84xx *cs84xx =
4598             container_of(kref, struct qla_chip_state_84xx, kref);
4599
4600         mutex_lock(&qla_cs84xx_mutex);
4601         list_del(&cs84xx->list);
4602         mutex_unlock(&qla_cs84xx_mutex);
4603         kfree(cs84xx);
4604 }
4605
4606 void
4607 qla84xx_put_chip(struct scsi_qla_host *vha)
4608 {
4609         struct qla_hw_data *ha = vha->hw;
4610         if (ha->cs84xx)
4611                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4612 }
4613
4614 static int
4615 qla84xx_init_chip(scsi_qla_host_t *vha)
4616 {
4617         int rval;
4618         uint16_t status[2];
4619         struct qla_hw_data *ha = vha->hw;
4620
4621         mutex_lock(&ha->cs84xx->fw_update_mutex);
4622
4623         rval = qla84xx_verify_chip(vha, status);
4624
4625         mutex_unlock(&ha->cs84xx->fw_update_mutex);
4626
4627         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4628             QLA_SUCCESS;
4629 }
4630
4631 /* 81XX Support **************************************************************/
4632
4633 int
4634 qla81xx_nvram_config(scsi_qla_host_t *vha)
4635 {
4636         int   rval;
4637         struct init_cb_81xx *icb;
4638         struct nvram_81xx *nv;
4639         uint32_t *dptr;
4640         uint8_t  *dptr1, *dptr2;
4641         uint32_t chksum;
4642         uint16_t cnt;
4643         struct qla_hw_data *ha = vha->hw;
4644
4645         rval = QLA_SUCCESS;
4646         icb = (struct init_cb_81xx *)ha->init_cb;
4647         nv = ha->nvram;
4648
4649         /* Determine NVRAM starting address. */
4650         ha->nvram_size = sizeof(struct nvram_81xx);
4651         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4652
4653         /* Get VPD data into cache */
4654         ha->vpd = ha->nvram + VPD_OFFSET;
4655         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4656             ha->vpd_size);
4657
4658         /* Get NVRAM data into cache and calculate checksum. */
4659         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
4660             ha->nvram_size);
4661         dptr = (uint32_t *)nv;
4662         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4663                 chksum += le32_to_cpu(*dptr++);
4664
4665         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4666         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4667
4668         /* Bad NVRAM data, set defaults parameters. */
4669         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4670             || nv->id[3] != ' ' ||
4671             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4672                 /* Reset NVRAM data. */
4673                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4674                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4675                     le16_to_cpu(nv->nvram_version));
4676                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4677                     "invalid -- WWPN) defaults.\n");
4678
4679                 /*
4680                  * Set default initialization control block.
4681                  */
4682                 memset(nv, 0, ha->nvram_size);
4683                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4684                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4685                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4686                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4687                 nv->exchange_count = __constant_cpu_to_le16(0);
4688                 nv->port_name[0] = 0x21;
4689                 nv->port_name[1] = 0x00 + ha->port_no;
4690                 nv->port_name[2] = 0x00;
4691                 nv->port_name[3] = 0xe0;
4692                 nv->port_name[4] = 0x8b;
4693                 nv->port_name[5] = 0x1c;
4694                 nv->port_name[6] = 0x55;
4695                 nv->port_name[7] = 0x86;
4696                 nv->node_name[0] = 0x20;
4697                 nv->node_name[1] = 0x00;
4698                 nv->node_name[2] = 0x00;
4699                 nv->node_name[3] = 0xe0;
4700                 nv->node_name[4] = 0x8b;
4701                 nv->node_name[5] = 0x1c;
4702                 nv->node_name[6] = 0x55;
4703                 nv->node_name[7] = 0x86;
4704                 nv->login_retry_count = __constant_cpu_to_le16(8);
4705                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4706                 nv->login_timeout = __constant_cpu_to_le16(0);
4707                 nv->firmware_options_1 =
4708                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4709                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4710                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4711                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4712                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4713                 nv->efi_parameters = __constant_cpu_to_le32(0);
4714                 nv->reset_delay = 5;
4715                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4716                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4717                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4718                 nv->enode_mac[0] = 0x00;
4719                 nv->enode_mac[1] = 0x02;
4720                 nv->enode_mac[2] = 0x03;
4721                 nv->enode_mac[3] = 0x04;
4722                 nv->enode_mac[4] = 0x05;
4723                 nv->enode_mac[5] = 0x06 + ha->port_no;
4724
4725                 rval = 1;
4726         }
4727
4728         /* Reset Initialization control block */
4729         memset(icb, 0, sizeof(struct init_cb_81xx));
4730
4731         /* Copy 1st segment. */
4732         dptr1 = (uint8_t *)icb;
4733         dptr2 = (uint8_t *)&nv->version;
4734         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4735         while (cnt--)
4736                 *dptr1++ = *dptr2++;
4737
4738         icb->login_retry_count = nv->login_retry_count;
4739
4740         /* Copy 2nd segment. */
4741         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4742         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4743         cnt = (uint8_t *)&icb->reserved_5 -
4744             (uint8_t *)&icb->interrupt_delay_timer;
4745         while (cnt--)
4746                 *dptr1++ = *dptr2++;
4747
4748         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4749         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4750         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4751                 icb->enode_mac[0] = 0x01;
4752                 icb->enode_mac[1] = 0x02;
4753                 icb->enode_mac[2] = 0x03;
4754                 icb->enode_mac[3] = 0x04;
4755                 icb->enode_mac[4] = 0x05;
4756                 icb->enode_mac[5] = 0x06 + ha->port_no;
4757         }
4758
4759         /* Use extended-initialization control block. */
4760         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4761
4762         /*
4763          * Setup driver NVRAM options.
4764          */
4765         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4766             "QLE81XX");
4767
4768         /* Use alternate WWN? */
4769         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4770                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4771                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4772         }
4773
4774         /* Prepare nodename */
4775         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4776                 /*
4777                  * Firmware will apply the following mask if the nodename was
4778                  * not provided.
4779                  */
4780                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4781                 icb->node_name[0] &= 0xF0;
4782         }
4783
4784         /* Set host adapter parameters. */
4785         ha->flags.disable_risc_code_load = 0;
4786         ha->flags.enable_lip_reset = 0;
4787         ha->flags.enable_lip_full_login =
4788             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4789         ha->flags.enable_target_reset =
4790             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4791         ha->flags.enable_led_scheme = 0;
4792         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4793
4794         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4795             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4796
4797         /* save HBA serial number */
4798         ha->serial0 = icb->port_name[5];
4799         ha->serial1 = icb->port_name[6];
4800         ha->serial2 = icb->port_name[7];
4801         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4802         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4803
4804         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4805
4806         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4807
4808         /* Set minimum login_timeout to 4 seconds. */
4809         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4810                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4811         if (le16_to_cpu(nv->login_timeout) < 4)
4812                 nv->login_timeout = __constant_cpu_to_le16(4);
4813         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4814         icb->login_timeout = nv->login_timeout;
4815
4816         /* Set minimum RATOV to 100 tenths of a second. */
4817         ha->r_a_tov = 100;
4818
4819         ha->loop_reset_delay = nv->reset_delay;
4820
4821         /* Link Down Timeout = 0:
4822          *
4823          *      When Port Down timer expires we will start returning
4824          *      I/O's to OS with "DID_NO_CONNECT".
4825          *
4826          * Link Down Timeout != 0:
4827          *
4828          *       The driver waits for the link to come up after link down
4829          *       before returning I/Os to OS with "DID_NO_CONNECT".
4830          */
4831         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4832                 ha->loop_down_abort_time =
4833                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4834         } else {
4835                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4836                 ha->loop_down_abort_time =
4837                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4838         }
4839
4840         /* Need enough time to try and get the port back. */
4841         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4842         if (qlport_down_retry)
4843                 ha->port_down_retry_count = qlport_down_retry;
4844
4845         /* Set login_retry_count */
4846         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4847         if (ha->port_down_retry_count ==
4848             le16_to_cpu(nv->port_down_retry_count) &&
4849             ha->port_down_retry_count > 3)
4850                 ha->login_retry_count = ha->port_down_retry_count;
4851         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4852                 ha->login_retry_count = ha->port_down_retry_count;
4853         if (ql2xloginretrycount)
4854                 ha->login_retry_count = ql2xloginretrycount;
4855
4856         /* Enable ZIO. */
4857         if (!vha->flags.init_done) {
4858                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4859                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4860                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4861                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4862         }
4863         icb->firmware_options_2 &= __constant_cpu_to_le32(
4864             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4865         vha->flags.process_response_queue = 0;
4866         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4867                 ha->zio_mode = QLA_ZIO_MODE_6;
4868
4869                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4870                     "(%d us).\n", vha->host_no, ha->zio_mode,
4871                     ha->zio_timer * 100));
4872                 qla_printk(KERN_INFO, ha,
4873                     "ZIO mode %d enabled; timer delay (%d us).\n",
4874                     ha->zio_mode, ha->zio_timer * 100);
4875
4876                 icb->firmware_options_2 |= cpu_to_le32(
4877                     (uint32_t)ha->zio_mode);
4878                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4879                 vha->flags.process_response_queue = 1;
4880         }
4881
4882         if (rval) {
4883                 DEBUG2_3(printk(KERN_WARNING
4884                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4885         }
4886         return (rval);
4887 }
4888
4889 void
4890 qla81xx_update_fw_options(scsi_qla_host_t *ha)
4891 {
4892 }