drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2008 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #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 static 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_TAPE_PRESENT)
 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         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 273         atomic_set(&vha->loop_state, LOOP_DOWN);
 274         vha->device_flags = DFLG_NO_CABLE;
 275         vha->dpc_flags = 0;
 276         vha->flags.management_server_logged_in = 0;
 277         vha->marker_needed = 0;
 278         ha->isp_abort_cnt = 0;
 279         ha->beacon_blink_led = 0;
 280         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
 281
 282         set_bit(0, ha->req_qid_map);
 283         set_bit(0, ha->rsp_qid_map);
 284
 285         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
 286         rval = ha->isp_ops->pci_config(vha);
 287         if (rval) {
 288                 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
 289                     vha->host_no));
 290                 return (rval);
 291         }
 292
 293         ha->isp_ops->reset_chip(vha);
 294
 295         rval = qla2xxx_get_flash_info(vha);
 296         if (rval) {
 297                 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
 298                     vha->host_no));
 299                 return (rval);
 300         }
 301
 302         ha->isp_ops->get_flash_version(vha, req->ring);
 303
 304         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 305
 306         ha->isp_ops->nvram_config(vha);
 307
 308         if (ha->flags.disable_serdes) {
 309                 /* Mask HBA via NVRAM settings? */
 310                 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
 311                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 312                     vha->port_name[0], vha->port_name[1],
 313                     vha->port_name[2], vha->port_name[3],
 314                     vha->port_name[4], vha->port_name[5],
 315                     vha->port_name[6], vha->port_name[7]);
 316                 return QLA_FUNCTION_FAILED;
 317         }
 318
 319         qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
 320
 321         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 322                 rval = ha->isp_ops->chip_diag(vha);
 323                 if (rval)
 324                         return (rval);
 325                 rval = qla2x00_setup_chip(vha);
 326                 if (rval)
 327                         return (rval);
 328         }
 329         if (IS_QLA84XX(ha)) {
 330                 ha->cs84xx = qla84xx_get_chip(vha);
 331                 if (!ha->cs84xx) {
 332                         qla_printk(KERN_ERR, ha,
 333                             "Unable to configure ISP84XX.\n");
 334                         return QLA_FUNCTION_FAILED;
 335                 }
 336         }
 337         rval = qla2x00_init_rings(vha);
 338         ha->flags.chip_reset_done = 1;
 339
 340         return (rval);
 341 }
 342
 343 /**
 344  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 345  * @ha: HA context
 346  *
 347  * Returns 0 on success.
 348  */
 349 int
 350 qla2100_pci_config(scsi_qla_host_t *vha)
 351 {
 352         uint16_t w;
 353         unsigned long flags;
 354         struct qla_hw_data *ha = vha->hw;
 355         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 356
 357         pci_set_master(ha->pdev);
 358         pci_try_set_mwi(ha->pdev);
 359
 360         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 361         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 362         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 363
 364         pci_disable_rom(ha->pdev);
 365
 366         /* Get PCI bus information. */
 367         spin_lock_irqsave(&ha->hardware_lock, flags);
 368         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 369         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 370
 371         return QLA_SUCCESS;
 372 }
 373
 374 /**
 375  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 376  * @ha: HA context
 377  *
 378  * Returns 0 on success.
 379  */
 380 int
 381 qla2300_pci_config(scsi_qla_host_t *vha)
 382 {
 383         uint16_t        w;
 384         unsigned long   flags = 0;
 385         uint32_t        cnt;
 386         struct qla_hw_data *ha = vha->hw;
 387         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 388
 389         pci_set_master(ha->pdev);
 390         pci_try_set_mwi(ha->pdev);
 391
 392         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 393         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 394
 395         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 396                 w &= ~PCI_COMMAND_INTX_DISABLE;
 397         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 398
 399         /*
 400          * If this is a 2300 card and not 2312, reset the
 401          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 402          * the 2310 also reports itself as a 2300 so we need to get the
 403          * fb revision level -- a 6 indicates it really is a 2300 and
 404          * not a 2310.
 405          */
 406         if (IS_QLA2300(ha)) {
 407                 spin_lock_irqsave(&ha->hardware_lock, flags);
 408
 409                 /* Pause RISC. */
 410                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 411                 for (cnt = 0; cnt < 30000; cnt++) {
 412                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 413                                 break;
 414
 415                         udelay(10);
 416                 }
 417
 418                 /* Select FPM registers. */
 419                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 420                 RD_REG_WORD(&reg->ctrl_status);
 421
 422                 /* Get the fb rev level */
 423                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 424
 425                 if (ha->fb_rev == FPM_2300)
 426                         pci_clear_mwi(ha->pdev);
 427
 428                 /* Deselect FPM registers. */
 429                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 430                 RD_REG_WORD(&reg->ctrl_status);
 431
 432                 /* Release RISC module. */
 433                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 434                 for (cnt = 0; cnt < 30000; cnt++) {
 435                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 436                                 break;
 437
 438                         udelay(10);
 439                 }
 440
 441                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 442         }
 443
 444         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 445
 446         pci_disable_rom(ha->pdev);
 447
 448         /* Get PCI bus information. */
 449         spin_lock_irqsave(&ha->hardware_lock, flags);
 450         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 451         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 452
 453         return QLA_SUCCESS;
 454 }
 455
 456 /**
 457  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 458  * @ha: HA context
 459  *
 460  * Returns 0 on success.
 461  */
 462 int
 463 qla24xx_pci_config(scsi_qla_host_t *vha)
 464 {
 465         uint16_t w;
 466         unsigned long flags = 0;
 467         struct qla_hw_data *ha = vha->hw;
 468         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 469
 470         pci_set_master(ha->pdev);
 471         pci_try_set_mwi(ha->pdev);
 472
 473         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 474         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 475         w &= ~PCI_COMMAND_INTX_DISABLE;
 476         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 477
 478         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 479
 480         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 481         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 482                 pcix_set_mmrbc(ha->pdev, 2048);
 483
 484         /* PCIe -- adjust Maximum Read Request Size (2048). */
 485         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 486                 pcie_set_readrq(ha->pdev, 2048);
 487
 488         pci_disable_rom(ha->pdev);
 489
 490         ha->chip_revision = ha->pdev->revision;
 491
 492         /* Get PCI bus information. */
 493         spin_lock_irqsave(&ha->hardware_lock, flags);
 494         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 495         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 496
 497         return QLA_SUCCESS;
 498 }
 499
 500 /**
 501  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 502  * @ha: HA context
 503  *
 504  * Returns 0 on success.
 505  */
 506 int
 507 qla25xx_pci_config(scsi_qla_host_t *vha)
 508 {
 509         uint16_t w;
 510         struct qla_hw_data *ha = vha->hw;
 511
 512         pci_set_master(ha->pdev);
 513         pci_try_set_mwi(ha->pdev);
 514
 515         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 516         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 517         w &= ~PCI_COMMAND_INTX_DISABLE;
 518         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 519
 520         /* PCIe -- adjust Maximum Read Request Size (2048). */
 521         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 522                 pcie_set_readrq(ha->pdev, 2048);
 523
 524         pci_disable_rom(ha->pdev);
 525
 526         ha->chip_revision = ha->pdev->revision;
 527
 528         return QLA_SUCCESS;
 529 }
 530
 531 /**
 532  * qla2x00_isp_firmware() - Choose firmware image.
 533  * @ha: HA context
 534  *
 535  * Returns 0 on success.
 536  */
 537 static int
 538 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 539 {
 540         int  rval;
 541         uint16_t loop_id, topo, sw_cap;
 542         uint8_t domain, area, al_pa;
 543         struct qla_hw_data *ha = vha->hw;
 544
 545         /* Assume loading risc code */
 546         rval = QLA_FUNCTION_FAILED;
 547
 548         if (ha->flags.disable_risc_code_load) {
 549                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 550                     vha->host_no));
 551                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 552
 553                 /* Verify checksum of loaded RISC code. */
 554                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 555                 if (rval == QLA_SUCCESS) {
 556                         /* And, verify we are not in ROM code. */
 557                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 558                             &area, &domain, &topo, &sw_cap);
 559                 }
 560         }
 561
 562         if (rval) {
 563                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 564                     vha->host_no));
 565         }
 566
 567         return (rval);
 568 }
 569
 570 /**
 571  * qla2x00_reset_chip() - Reset ISP chip.
 572  * @ha: HA context
 573  *
 574  * Returns 0 on success.
 575  */
 576 void
 577 qla2x00_reset_chip(scsi_qla_host_t *vha)
 578 {
 579         unsigned long   flags = 0;
 580         struct qla_hw_data *ha = vha->hw;
 581         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 582         uint32_t        cnt;
 583         uint16_t        cmd;
 584
 585         ha->isp_ops->disable_intrs(ha);
 586
 587         spin_lock_irqsave(&ha->hardware_lock, flags);
 588
 589         /* Turn off master enable */
 590         cmd = 0;
 591         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 592         cmd &= ~PCI_COMMAND_MASTER;
 593         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 594
 595         if (!IS_QLA2100(ha)) {
 596                 /* Pause RISC. */
 597                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 598                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 599                         for (cnt = 0; cnt < 30000; cnt++) {
 600                                 if ((RD_REG_WORD(&reg->hccr) &
 601                                     HCCR_RISC_PAUSE) != 0)
 602                                         break;
 603                                 udelay(100);
 604                         }
 605                 } else {
 606                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 607                         udelay(10);
 608                 }
 609
 610                 /* Select FPM registers. */
 611                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 612                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 613
 614                 /* FPM Soft Reset. */
 615                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 616                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 617
 618                 /* Toggle Fpm Reset. */
 619                 if (!IS_QLA2200(ha)) {
 620                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 621                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 622                 }
 623
 624                 /* Select frame buffer registers. */
 625                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 626                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 627
 628                 /* Reset frame buffer FIFOs. */
 629                 if (IS_QLA2200(ha)) {
 630                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 631                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 632                 } else {
 633                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 634
 635                         /* Read back fb_cmd until zero or 3 seconds max */
 636                         for (cnt = 0; cnt < 3000; cnt++) {
 637                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 638                                         break;
 639                                 udelay(100);
 640                         }
 641                 }
 642
 643                 /* Select RISC module registers. */
 644                 WRT_REG_WORD(&reg->ctrl_status, 0);
 645                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 646
 647                 /* Reset RISC processor. */
 648                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 649                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 650
 651                 /* Release RISC processor. */
 652                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 653                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 654         }
 655
 656         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 657         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 658
 659         /* Reset ISP chip. */
 660         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 661
 662         /* Wait for RISC to recover from reset. */
 663         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 664                 /*
 665                  * It is necessary to for a delay here since the card doesn't
 666                  * respond to PCI reads during a reset. On some architectures
 667                  * this will result in an MCA.
 668                  */
 669                 udelay(20);
 670                 for (cnt = 30000; cnt; cnt--) {
 671                         if ((RD_REG_WORD(&reg->ctrl_status) &
 672                             CSR_ISP_SOFT_RESET) == 0)
 673                                 break;
 674                         udelay(100);
 675                 }
 676         } else
 677                 udelay(10);
 678
 679         /* Reset RISC processor. */
 680         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 681
 682         WRT_REG_WORD(&reg->semaphore, 0);
 683
 684         /* Release RISC processor. */
 685         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 686         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 687
 688         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 689                 for (cnt = 0; cnt < 30000; cnt++) {
 690                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 691                                 break;
 692
 693                         udelay(100);
 694                 }
 695         } else
 696                 udelay(100);
 697
 698         /* Turn on master enable */
 699         cmd |= PCI_COMMAND_MASTER;
 700         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 701
 702         /* Disable RISC pause on FPM parity error. */
 703         if (!IS_QLA2100(ha)) {
 704                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 705                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 706         }
 707
 708         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 709 }
 710
 711 /**
 712  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 713  * @ha: HA context
 714  *
 715  * Returns 0 on success.
 716  */
 717 static inline void
 718 qla24xx_reset_risc(scsi_qla_host_t *vha)
 719 {
 720         unsigned long flags = 0;
 721         struct qla_hw_data *ha = vha->hw;
 722         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 723         uint32_t cnt, d2;
 724         uint16_t wd;
 725
 726         spin_lock_irqsave(&ha->hardware_lock, flags);
 727
 728         /* Reset RISC. */
 729         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 730         for (cnt = 0; cnt < 30000; cnt++) {
 731                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
 732                         break;
 733
 734                 udelay(10);
 735         }
 736
 737         WRT_REG_DWORD(&reg->ctrl_status,
 738             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 739         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
 740
 741         udelay(100);
 742         /* Wait for firmware to complete NVRAM accesses. */
 743         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 744         for (cnt = 10000 ; cnt && d2; cnt--) {
 745                 udelay(5);
 746                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 747                 barrier();
 748         }
 749
 750         /* Wait for soft-reset to complete. */
 751         d2 = RD_REG_DWORD(&reg->ctrl_status);
 752         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
 753                 udelay(5);
 754                 d2 = RD_REG_DWORD(&reg->ctrl_status);
 755                 barrier();
 756         }
 757
 758         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
 759         RD_REG_DWORD(&reg->hccr);
 760
 761         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
 762         RD_REG_DWORD(&reg->hccr);
 763
 764         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
 765         RD_REG_DWORD(&reg->hccr);
 766
 767         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 768         for (cnt = 6000000 ; cnt && d2; cnt--) {
 769                 udelay(5);
 770                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 771                 barrier();
 772         }
 773
 774         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 775
 776         if (IS_NOPOLLING_TYPE(ha))
 777                 ha->isp_ops->enable_intrs(ha);
 778 }
 779
 780 /**
 781  * qla24xx_reset_chip() - Reset ISP24xx chip.
 782  * @ha: HA context
 783  *
 784  * Returns 0 on success.
 785  */
 786 void
 787 qla24xx_reset_chip(scsi_qla_host_t *vha)
 788 {
 789         struct qla_hw_data *ha = vha->hw;
 790         ha->isp_ops->disable_intrs(ha);
 791
 792         /* Perform RISC reset. */
 793         qla24xx_reset_risc(vha);
 794 }
 795
 796 /**
 797  * qla2x00_chip_diag() - Test chip for proper operation.
 798  * @ha: HA context
 799  *
 800  * Returns 0 on success.
 801  */
 802 int
 803 qla2x00_chip_diag(scsi_qla_host_t *vha)
 804 {
 805         int             rval;
 806         struct qla_hw_data *ha = vha->hw;
 807         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 808         unsigned long   flags = 0;
 809         uint16_t        data;
 810         uint32_t        cnt;
 811         uint16_t        mb[5];
 812         struct req_que *req = ha->req_q_map[0];
 813
 814         /* Assume a failed state */
 815         rval = QLA_FUNCTION_FAILED;
 816
 817         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
 818             vha->host_no, (u_long)&reg->flash_address));
 819
 820         spin_lock_irqsave(&ha->hardware_lock, flags);
 821
 822         /* Reset ISP chip. */
 823         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 824
 825         /*
 826          * We need to have a delay here since the card will not respond while
 827          * in reset causing an MCA on some architectures.
 828          */
 829         udelay(20);
 830         data = qla2x00_debounce_register(&reg->ctrl_status);
 831         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
 832                 udelay(5);
 833                 data = RD_REG_WORD(&reg->ctrl_status);
 834                 barrier();
 835         }
 836
 837         if (!cnt)
 838                 goto chip_diag_failed;
 839
 840         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
 841             vha->host_no));
 842
 843         /* Reset RISC processor. */
 844         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 845         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 846
 847         /* Workaround for QLA2312 PCI parity error */
 848         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 849                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
 850                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
 851                         udelay(5);
 852                         data = RD_MAILBOX_REG(ha, reg, 0);
 853                         barrier();
 854                 }
 855         } else
 856                 udelay(10);
 857
 858         if (!cnt)
 859                 goto chip_diag_failed;
 860
 861         /* Check product ID of chip */
 862         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
 863
 864         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
 865         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
 866         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
 867         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
 868         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
 869             mb[3] != PROD_ID_3) {
 870                 qla_printk(KERN_WARNING, ha,
 871                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
 872
 873                 goto chip_diag_failed;
 874         }
 875         ha->product_id[0] = mb[1];
 876         ha->product_id[1] = mb[2];
 877         ha->product_id[2] = mb[3];
 878         ha->product_id[3] = mb[4];
 879
 880         /* Adjust fw RISC transfer size */
 881         if (req->length > 1024)
 882                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
 883         else
 884                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
 885                     req->length;
 886
 887         if (IS_QLA2200(ha) &&
 888             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
 889                 /* Limit firmware transfer size with a 2200A */
 890                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
 891                     vha->host_no));
 892
 893                 ha->device_type |= DT_ISP2200A;
 894                 ha->fw_transfer_size = 128;
 895         }
 896
 897         /* Wrap Incoming Mailboxes Test. */
 898         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 899
 900         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
 901         rval = qla2x00_mbx_reg_test(vha);
 902         if (rval) {
 903                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 904                     vha->host_no));
 905                 qla_printk(KERN_WARNING, ha,
 906                     "Failed mailbox send register test\n");
 907         }
 908         else {
 909                 /* Flag a successful rval */
 910                 rval = QLA_SUCCESS;
 911         }
 912         spin_lock_irqsave(&ha->hardware_lock, flags);
 913
 914 chip_diag_failed:
 915         if (rval)
 916                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
 917                     "****\n", vha->host_no));
 918
 919         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 920
 921         return (rval);
 922 }
 923
 924 /**
 925  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
 926  * @ha: HA context
 927  *
 928  * Returns 0 on success.
 929  */
 930 int
 931 qla24xx_chip_diag(scsi_qla_host_t *vha)
 932 {
 933         int rval;
 934         struct qla_hw_data *ha = vha->hw;
 935         struct req_que *req = ha->req_q_map[0];
 936
 937         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 938
 939         rval = qla2x00_mbx_reg_test(vha);
 940         if (rval) {
 941                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 942                     vha->host_no));
 943                 qla_printk(KERN_WARNING, ha,
 944                     "Failed mailbox send register test\n");
 945         } else {
 946                 /* Flag a successful rval */
 947                 rval = QLA_SUCCESS;
 948         }
 949
 950         return rval;
 951 }
 952
 953 void
 954 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
 955 {
 956         int rval;
 957         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
 958             eft_size, fce_size, mq_size;
 959         dma_addr_t tc_dma;
 960         void *tc;
 961         struct qla_hw_data *ha = vha->hw;
 962         struct req_que *req = ha->req_q_map[0];
 963         struct rsp_que *rsp = ha->rsp_q_map[0];
 964
 965         if (ha->fw_dump) {
 966                 qla_printk(KERN_WARNING, ha,
 967                     "Firmware dump previously allocated.\n");
 968                 return;
 969         }
 970
 971         ha->fw_dumped = 0;
 972         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
 973         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 974                 fixed_size = sizeof(struct qla2100_fw_dump);
 975         } else if (IS_QLA23XX(ha)) {
 976                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
 977                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
 978                     sizeof(uint16_t);
 979         } else if (IS_FWI2_CAPABLE(ha)) {
 980                 if (IS_QLA81XX(ha))
 981                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
 982                 else if (IS_QLA25XX(ha))
 983                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
 984                 else
 985                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
 986                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
 987                     sizeof(uint32_t);
 988                 if (ha->mqenable)
 989                         mq_size = sizeof(struct qla2xxx_mq_chain);
 990                 /* Allocate memory for Fibre Channel Event Buffer. */
 991                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
 992                         goto try_eft;
 993
 994                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
 995                     GFP_KERNEL);
 996                 if (!tc) {
 997                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
 998                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
 999                         goto try_eft;
1000                 }
1001
1002                 memset(tc, 0, FCE_SIZE);
1003                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1004                     ha->fce_mb, &ha->fce_bufs);
1005                 if (rval) {
1006                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1007                             "FCE (%d).\n", rval);
1008                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1009                             tc_dma);
1010                         ha->flags.fce_enabled = 0;
1011                         goto try_eft;
1012                 }
1013
1014                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1015                     FCE_SIZE / 1024);
1016
1017                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1018                 ha->flags.fce_enabled = 1;
1019                 ha->fce_dma = tc_dma;
1020                 ha->fce = tc;
1021 try_eft:
1022                 /* Allocate memory for Extended Trace Buffer. */
1023                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1024                     GFP_KERNEL);
1025                 if (!tc) {
1026                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1027                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1028                         goto cont_alloc;
1029                 }
1030
1031                 memset(tc, 0, EFT_SIZE);
1032                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1033                 if (rval) {
1034                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1035                             "EFT (%d).\n", rval);
1036                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1037                             tc_dma);
1038                         goto cont_alloc;
1039                 }
1040
1041                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1042                     EFT_SIZE / 1024);
1043
1044                 eft_size = EFT_SIZE;
1045                 ha->eft_dma = tc_dma;
1046                 ha->eft = tc;
1047         }
1048 cont_alloc:
1049         req_q_size = req->length * sizeof(request_t);
1050         rsp_q_size = rsp->length * sizeof(response_t);
1051
1052         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1053         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1054         ha->chain_offset = dump_size;
1055         dump_size += mq_size + fce_size;
1056
1057         ha->fw_dump = vmalloc(dump_size);
1058         if (!ha->fw_dump) {
1059                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1060                     "firmware dump!!!\n", dump_size / 1024);
1061
1062                 if (ha->eft) {
1063                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1064                             ha->eft_dma);
1065                         ha->eft = NULL;
1066                         ha->eft_dma = 0;
1067                 }
1068                 return;
1069         }
1070         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1071             dump_size / 1024);
1072
1073         ha->fw_dump_len = dump_size;
1074         ha->fw_dump->signature[0] = 'Q';
1075         ha->fw_dump->signature[1] = 'L';
1076         ha->fw_dump->signature[2] = 'G';
1077         ha->fw_dump->signature[3] = 'C';
1078         ha->fw_dump->version = __constant_htonl(1);
1079
1080         ha->fw_dump->fixed_size = htonl(fixed_size);
1081         ha->fw_dump->mem_size = htonl(mem_size);
1082         ha->fw_dump->req_q_size = htonl(req_q_size);
1083         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1084
1085         ha->fw_dump->eft_size = htonl(eft_size);
1086         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1087         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1088
1089         ha->fw_dump->header_size =
1090             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1091 }
1092
1093 static int
1094 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1095 {
1096 #define MPS_MASK        0xe0
1097         int rval;
1098         uint16_t dc;
1099         uint32_t dw;
1100         struct qla_hw_data *ha = vha->hw;
1101
1102         if (!IS_QLA81XX(vha->hw))
1103                 return QLA_SUCCESS;
1104
1105         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1106         if (rval != QLA_SUCCESS) {
1107                 DEBUG2(qla_printk(KERN_WARNING, ha,
1108                     "Sync-MPI: Unable to acquire semaphore.\n"));
1109                 goto done;
1110         }
1111
1112         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1113         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1114         if (rval != QLA_SUCCESS) {
1115                 DEBUG2(qla_printk(KERN_WARNING, ha,
1116                     "Sync-MPI: Unable to read sync.\n"));
1117                 goto done_release;
1118         }
1119
1120         dc &= MPS_MASK;
1121         if (dc == (dw & MPS_MASK))
1122                 goto done_release;
1123
1124         dw &= ~MPS_MASK;
1125         dw |= dc;
1126         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1127         if (rval != QLA_SUCCESS) {
1128                 DEBUG2(qla_printk(KERN_WARNING, ha,
1129                     "Sync-MPI: Unable to gain sync.\n"));
1130         }
1131
1132 done_release:
1133         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1134         if (rval != QLA_SUCCESS) {
1135                 DEBUG2(qla_printk(KERN_WARNING, ha,
1136                     "Sync-MPI: Unable to release semaphore.\n"));
1137         }
1138
1139 done:
1140         return rval;
1141 }
1142
1143 /**
1144  * qla2x00_setup_chip() - Load and start RISC firmware.
1145  * @ha: HA context
1146  *
1147  * Returns 0 on success.
1148  */
1149 static int
1150 qla2x00_setup_chip(scsi_qla_host_t *vha)
1151 {
1152         int rval;
1153         uint32_t srisc_address = 0;
1154         struct qla_hw_data *ha = vha->hw;
1155         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1156         unsigned long flags;
1157         uint16_t fw_major_version;
1158
1159         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1160                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1161                 spin_lock_irqsave(&ha->hardware_lock, flags);
1162                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1163                 RD_REG_WORD(&reg->hccr);
1164                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1165         }
1166
1167         qla81xx_mpi_sync(vha);
1168
1169         /* Load firmware sequences */
1170         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1171         if (rval == QLA_SUCCESS) {
1172                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1173                     "code.\n", vha->host_no));
1174
1175                 rval = qla2x00_verify_checksum(vha, srisc_address);
1176                 if (rval == QLA_SUCCESS) {
1177                         /* Start firmware execution. */
1178                         DEBUG(printk("scsi(%ld): Checksum OK, start "
1179                             "firmware.\n", vha->host_no));
1180
1181                         rval = qla2x00_execute_fw(vha, srisc_address);
1182                         /* Retrieve firmware information. */
1183                         if (rval == QLA_SUCCESS) {
1184                                 fw_major_version = ha->fw_major_version;
1185                                 rval = qla2x00_get_fw_version(vha,
1186                                     &ha->fw_major_version,
1187                                     &ha->fw_minor_version,
1188                                     &ha->fw_subminor_version,
1189                                     &ha->fw_attributes, &ha->fw_memory_size,
1190                                     ha->mpi_version, &ha->mpi_capabilities,
1191                                     ha->phy_version);
1192                                 if (rval != QLA_SUCCESS)
1193                                         goto failed;
1194                                 ha->flags.npiv_supported = 0;
1195                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1196                                          (ha->fw_attributes & BIT_2)) {
1197                                         ha->flags.npiv_supported = 1;
1198                                         if ((!ha->max_npiv_vports) ||
1199                                             ((ha->max_npiv_vports + 1) %
1200                                             MIN_MULTI_ID_FABRIC))
1201                                                 ha->max_npiv_vports =
1202                                                     MIN_MULTI_ID_FABRIC - 1;
1203                                 }
1204                                 qla2x00_get_resource_cnts(vha, NULL,
1205                                     &ha->fw_xcb_count, NULL, NULL,
1206                                     &ha->max_npiv_vports);
1207
1208                                 if (!fw_major_version && ql2xallocfwdump)
1209                                         qla2x00_alloc_fw_dump(vha);
1210                         }
1211                 } else {
1212                         DEBUG2(printk(KERN_INFO
1213                             "scsi(%ld): ISP Firmware failed checksum.\n",
1214                             vha->host_no));
1215                 }
1216         }
1217
1218         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1219                 /* Enable proper parity. */
1220                 spin_lock_irqsave(&ha->hardware_lock, flags);
1221                 if (IS_QLA2300(ha))
1222                         /* SRAM parity */
1223                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1224                 else
1225                         /* SRAM, Instruction RAM and GP RAM parity */
1226                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1227                 RD_REG_WORD(&reg->hccr);
1228                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1229         }
1230
1231         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1232                 uint32_t size;
1233
1234                 rval = qla81xx_fac_get_sector_size(vha, &size);
1235                 if (rval == QLA_SUCCESS) {
1236                         ha->flags.fac_supported = 1;
1237                         ha->fdt_block_size = size << 2;
1238                 } else {
1239                         qla_printk(KERN_ERR, ha,
1240                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1241                             ha->fw_major_version, ha->fw_minor_version,
1242                             ha->fw_subminor_version);
1243                 }
1244         }
1245 failed:
1246         if (rval) {
1247                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1248                     vha->host_no));
1249         }
1250
1251         return (rval);
1252 }
1253
1254 /**
1255  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1256  * @ha: HA context
1257  *
1258  * Beginning of request ring has initialization control block already built
1259  * by nvram config routine.
1260  *
1261  * Returns 0 on success.
1262  */
1263 void
1264 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1265 {
1266         uint16_t cnt;
1267         response_t *pkt;
1268
1269         rsp->ring_ptr = rsp->ring;
1270         rsp->ring_index    = 0;
1271         rsp->status_srb = NULL;
1272         pkt = rsp->ring_ptr;
1273         for (cnt = 0; cnt < rsp->length; cnt++) {
1274                 pkt->signature = RESPONSE_PROCESSED;
1275                 pkt++;
1276         }
1277 }
1278
1279 /**
1280  * qla2x00_update_fw_options() - Read and process firmware options.
1281  * @ha: HA context
1282  *
1283  * Returns 0 on success.
1284  */
1285 void
1286 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1287 {
1288         uint16_t swing, emphasis, tx_sens, rx_sens;
1289         struct qla_hw_data *ha = vha->hw;
1290
1291         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1292         qla2x00_get_fw_options(vha, ha->fw_options);
1293
1294         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1295                 return;
1296
1297         /* Serial Link options. */
1298         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1299             vha->host_no));
1300         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1301             sizeof(ha->fw_seriallink_options)));
1302
1303         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1304         if (ha->fw_seriallink_options[3] & BIT_2) {
1305                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1306
1307                 /*  1G settings */
1308                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1309                 emphasis = (ha->fw_seriallink_options[2] &
1310                     (BIT_4 | BIT_3)) >> 3;
1311                 tx_sens = ha->fw_seriallink_options[0] &
1312                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1313                 rx_sens = (ha->fw_seriallink_options[0] &
1314                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1315                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1316                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1317                         if (rx_sens == 0x0)
1318                                 rx_sens = 0x3;
1319                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1320                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1321                         ha->fw_options[10] |= BIT_5 |
1322                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1323                             (tx_sens & (BIT_1 | BIT_0));
1324
1325                 /*  2G settings */
1326                 swing = (ha->fw_seriallink_options[2] &
1327                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1328                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1329                 tx_sens = ha->fw_seriallink_options[1] &
1330                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1331                 rx_sens = (ha->fw_seriallink_options[1] &
1332                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1333                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1334                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1335                         if (rx_sens == 0x0)
1336                                 rx_sens = 0x3;
1337                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1338                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1339                         ha->fw_options[11] |= BIT_5 |
1340                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1341                             (tx_sens & (BIT_1 | BIT_0));
1342         }
1343
1344         /* FCP2 options. */
1345         /*  Return command IOCBs without waiting for an ABTS to complete. */
1346         ha->fw_options[3] |= BIT_13;
1347
1348         /* LED scheme. */
1349         if (ha->flags.enable_led_scheme)
1350                 ha->fw_options[2] |= BIT_12;
1351
1352         /* Detect ISP6312. */
1353         if (IS_QLA6312(ha))
1354                 ha->fw_options[2] |= BIT_13;
1355
1356         /* Update firmware options. */
1357         qla2x00_set_fw_options(vha, ha->fw_options);
1358 }
1359
1360 void
1361 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1362 {
1363         int rval;
1364         struct qla_hw_data *ha = vha->hw;
1365
1366         /* Update Serial Link options. */
1367         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1368                 return;
1369
1370         rval = qla2x00_set_serdes_params(vha,
1371             le16_to_cpu(ha->fw_seriallink_options24[1]),
1372             le16_to_cpu(ha->fw_seriallink_options24[2]),
1373             le16_to_cpu(ha->fw_seriallink_options24[3]));
1374         if (rval != QLA_SUCCESS) {
1375                 qla_printk(KERN_WARNING, ha,
1376                     "Unable to update Serial Link options (%x).\n", rval);
1377         }
1378 }
1379
1380 void
1381 qla2x00_config_rings(struct scsi_qla_host *vha)
1382 {
1383         struct qla_hw_data *ha = vha->hw;
1384         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1385         struct req_que *req = ha->req_q_map[0];
1386         struct rsp_que *rsp = ha->rsp_q_map[0];
1387
1388         /* Setup ring parameters in initialization control block. */
1389         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1390         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1391         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1392         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1393         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1394         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1395         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1396         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1397
1398         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1399         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1400         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1401         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1402         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1403 }
1404
1405 void
1406 qla24xx_config_rings(struct scsi_qla_host *vha)
1407 {
1408         struct qla_hw_data *ha = vha->hw;
1409         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1410         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1411         struct qla_msix_entry *msix;
1412         struct init_cb_24xx *icb;
1413         uint16_t rid = 0;
1414         struct req_que *req = ha->req_q_map[0];
1415         struct rsp_que *rsp = ha->rsp_q_map[0];
1416
1417 /* Setup ring parameters in initialization control block. */
1418         icb = (struct init_cb_24xx *)ha->init_cb;
1419         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1420         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1421         icb->request_q_length = cpu_to_le16(req->length);
1422         icb->response_q_length = cpu_to_le16(rsp->length);
1423         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1424         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1425         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1426         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1427
1428         if (ha->mqenable) {
1429                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1430                 icb->rid = __constant_cpu_to_le16(rid);
1431                 if (ha->flags.msix_enabled) {
1432                         msix = &ha->msix_entries[1];
1433                         DEBUG2_17(printk(KERN_INFO
1434                         "Registering vector 0x%x for base que\n", msix->entry));
1435                         icb->msix = cpu_to_le16(msix->entry);
1436                 }
1437                 /* Use alternate PCI bus number */
1438                 if (MSB(rid))
1439                         icb->firmware_options_2 |=
1440                                 __constant_cpu_to_le32(BIT_19);
1441                 /* Use alternate PCI devfn */
1442                 if (LSB(rid))
1443                         icb->firmware_options_2 |=
1444                                 __constant_cpu_to_le32(BIT_18);
1445
1446                 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
1447                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1448
1449                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1450                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1451                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1452                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1453         } else {
1454                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1455                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1456                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1457                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1458         }
1459         /* PCI posting */
1460         RD_REG_DWORD(&ioreg->hccr);
1461 }
1462
1463 /**
1464  * qla2x00_init_rings() - Initializes firmware.
1465  * @ha: HA context
1466  *
1467  * Beginning of request ring has initialization control block already built
1468  * by nvram config routine.
1469  *
1470  * Returns 0 on success.
1471  */
1472 static int
1473 qla2x00_init_rings(scsi_qla_host_t *vha)
1474 {
1475         int     rval;
1476         unsigned long flags = 0;
1477         int cnt, que;
1478         struct qla_hw_data *ha = vha->hw;
1479         struct req_que *req;
1480         struct rsp_que *rsp;
1481         struct scsi_qla_host *vp;
1482         struct mid_init_cb_24xx *mid_init_cb =
1483             (struct mid_init_cb_24xx *) ha->init_cb;
1484
1485         spin_lock_irqsave(&ha->hardware_lock, flags);
1486
1487         /* Clear outstanding commands array. */
1488         for (que = 0; que < ha->max_req_queues; que++) {
1489                 req = ha->req_q_map[que];
1490                 if (!req)
1491                         continue;
1492                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1493                         req->outstanding_cmds[cnt] = NULL;
1494
1495                 req->current_outstanding_cmd = 1;
1496
1497                 /* Initialize firmware. */
1498                 req->ring_ptr  = req->ring;
1499                 req->ring_index    = 0;
1500                 req->cnt      = req->length;
1501         }
1502
1503         for (que = 0; que < ha->max_rsp_queues; que++) {
1504                 rsp = ha->rsp_q_map[que];
1505                 if (!rsp)
1506                         continue;
1507                 /* Initialize response queue entries */
1508                 qla2x00_init_response_q_entries(rsp);
1509         }
1510
1511         /* Clear RSCN queue. */
1512         list_for_each_entry(vp, &ha->vp_list, list) {
1513                 vp->rscn_in_ptr = 0;
1514                 vp->rscn_out_ptr = 0;
1515         }
1516         ha->isp_ops->config_rings(vha);
1517
1518         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1519
1520         /* Update any ISP specific firmware options before initialization. */
1521         ha->isp_ops->update_fw_options(vha);
1522
1523         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1524
1525         if (ha->flags.npiv_supported) {
1526                 if (ha->operating_mode == LOOP)
1527                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1528                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1529         }
1530
1531         if (IS_FWI2_CAPABLE(ha)) {
1532                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1533                 mid_init_cb->init_cb.execution_throttle =
1534                     cpu_to_le16(ha->fw_xcb_count);
1535         }
1536
1537         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1538         if (rval) {
1539                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1540                     vha->host_no));
1541         } else {
1542                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1543                     vha->host_no));
1544         }
1545
1546         return (rval);
1547 }
1548
1549 /**
1550  * qla2x00_fw_ready() - Waits for firmware ready.
1551  * @ha: HA context
1552  *
1553  * Returns 0 on success.
1554  */
1555 static int
1556 qla2x00_fw_ready(scsi_qla_host_t *vha)
1557 {
1558         int             rval;
1559         unsigned long   wtime, mtime, cs84xx_time;
1560         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1561         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1562         uint16_t        state[5];
1563         struct qla_hw_data *ha = vha->hw;
1564
1565         rval = QLA_SUCCESS;
1566
1567         /* 20 seconds for loop down. */
1568         min_wait = 20;
1569
1570         /*
1571          * Firmware should take at most one RATOV to login, plus 5 seconds for
1572          * our own processing.
1573          */
1574         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1575                 wait_time = min_wait;
1576         }
1577
1578         /* Min wait time if loop down */
1579         mtime = jiffies + (min_wait * HZ);
1580
1581         /* wait time before firmware ready */
1582         wtime = jiffies + (wait_time * HZ);
1583
1584         /* Wait for ISP to finish LIP */
1585         if (!vha->flags.init_done)
1586                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1587
1588         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1589             vha->host_no));
1590
1591         do {
1592                 rval = qla2x00_get_firmware_state(vha, state);
1593                 if (rval == QLA_SUCCESS) {
1594                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1595                                 vha->device_flags &= ~DFLG_NO_CABLE;
1596                         }
1597                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1598                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1599                                     "84xx=%x.\n", vha->host_no, state[0],
1600                                     state[2]));
1601                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1602                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1603                                         DEBUG16(printk("scsi(%ld): Sending "
1604                                             "verify iocb.\n", vha->host_no));
1605
1606                                         cs84xx_time = jiffies;
1607                                         rval = qla84xx_init_chip(vha);
1608                                         if (rval != QLA_SUCCESS)
1609                                                 break;
1610
1611                                         /* Add time taken to initialize. */
1612                                         cs84xx_time = jiffies - cs84xx_time;
1613                                         wtime += cs84xx_time;
1614                                         mtime += cs84xx_time;
1615                                         DEBUG16(printk("scsi(%ld): Increasing "
1616                                             "wait time by %ld. New time %ld\n",
1617                                             vha->host_no, cs84xx_time, wtime));
1618                                 }
1619                         } else if (state[0] == FSTATE_READY) {
1620                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1621                                     vha->host_no));
1622
1623                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1624                                     &ha->login_timeout, &ha->r_a_tov);
1625
1626                                 rval = QLA_SUCCESS;
1627                                 break;
1628                         }
1629
1630                         rval = QLA_FUNCTION_FAILED;
1631
1632                         if (atomic_read(&vha->loop_down_timer) &&
1633                             state[0] != FSTATE_READY) {
1634                                 /* Loop down. Timeout on min_wait for states
1635                                  * other than Wait for Login.
1636                                  */
1637                                 if (time_after_eq(jiffies, mtime)) {
1638                                         qla_printk(KERN_INFO, ha,
1639                                             "Cable is unplugged...\n");
1640
1641                                         vha->device_flags |= DFLG_NO_CABLE;
1642                                         break;
1643                                 }
1644                         }
1645                 } else {
1646                         /* Mailbox cmd failed. Timeout on min_wait. */
1647                         if (time_after_eq(jiffies, mtime))
1648                                 break;
1649                 }
1650
1651                 if (time_after_eq(jiffies, wtime))
1652                         break;
1653
1654                 /* Delay for a while */
1655                 msleep(500);
1656
1657                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1658                     vha->host_no, state[0], jiffies));
1659         } while (1);
1660
1661         DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1662             vha->host_no, state[0], state[1], state[2], state[3], state[4],
1663             jiffies));
1664
1665         if (rval) {
1666                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1667                     vha->host_no));
1668         }
1669
1670         return (rval);
1671 }
1672
1673 /*
1674 *  qla2x00_configure_hba
1675 *      Setup adapter context.
1676 *
1677 * Input:
1678 *      ha = adapter state pointer.
1679 *
1680 * Returns:
1681 *      0 = success
1682 *
1683 * Context:
1684 *      Kernel context.
1685 */
1686 static int
1687 qla2x00_configure_hba(scsi_qla_host_t *vha)
1688 {
1689         int       rval;
1690         uint16_t      loop_id;
1691         uint16_t      topo;
1692         uint16_t      sw_cap;
1693         uint8_t       al_pa;
1694         uint8_t       area;
1695         uint8_t       domain;
1696         char            connect_type[22];
1697         struct qla_hw_data *ha = vha->hw;
1698
1699         /* Get host addresses. */
1700         rval = qla2x00_get_adapter_id(vha,
1701             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1702         if (rval != QLA_SUCCESS) {
1703                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1704                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1705                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1706                             __func__, vha->host_no));
1707                 } else {
1708                         qla_printk(KERN_WARNING, ha,
1709                             "ERROR -- Unable to get host loop ID.\n");
1710                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1711                 }
1712                 return (rval);
1713         }
1714
1715         if (topo == 4) {
1716                 qla_printk(KERN_INFO, ha,
1717                         "Cannot get topology - retrying.\n");
1718                 return (QLA_FUNCTION_FAILED);
1719         }
1720
1721         vha->loop_id = loop_id;
1722
1723         /* initialize */
1724         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1725         ha->operating_mode = LOOP;
1726         ha->switch_cap = 0;
1727
1728         switch (topo) {
1729         case 0:
1730                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1731                     vha->host_no));
1732                 ha->current_topology = ISP_CFG_NL;
1733                 strcpy(connect_type, "(Loop)");
1734                 break;
1735
1736         case 1:
1737                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1738                     vha->host_no));
1739                 ha->switch_cap = sw_cap;
1740                 ha->current_topology = ISP_CFG_FL;
1741                 strcpy(connect_type, "(FL_Port)");
1742                 break;
1743
1744         case 2:
1745                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1746                     vha->host_no));
1747                 ha->operating_mode = P2P;
1748                 ha->current_topology = ISP_CFG_N;
1749                 strcpy(connect_type, "(N_Port-to-N_Port)");
1750                 break;
1751
1752         case 3:
1753                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1754                     vha->host_no));
1755                 ha->switch_cap = sw_cap;
1756                 ha->operating_mode = P2P;
1757                 ha->current_topology = ISP_CFG_F;
1758                 strcpy(connect_type, "(F_Port)");
1759                 break;
1760
1761         default:
1762                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1763                     "Using NL.\n",
1764                     vha->host_no, topo));
1765                 ha->current_topology = ISP_CFG_NL;
1766                 strcpy(connect_type, "(Loop)");
1767                 break;
1768         }
1769
1770         /* Save Host port and loop ID. */
1771         /* byte order - Big Endian */
1772         vha->d_id.b.domain = domain;
1773         vha->d_id.b.area = area;
1774         vha->d_id.b.al_pa = al_pa;
1775
1776         if (!vha->flags.init_done)
1777                 qla_printk(KERN_INFO, ha,
1778                     "Topology - %s, Host Loop address 0x%x\n",
1779                     connect_type, vha->loop_id);
1780
1781         if (rval) {
1782                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1783         } else {
1784                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1785         }
1786
1787         return(rval);
1788 }
1789
1790 static inline void
1791 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1792         char *def)
1793 {
1794         char *st, *en;
1795         uint16_t index;
1796         struct qla_hw_data *ha = vha->hw;
1797         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1798             !IS_QLA81XX(ha);
1799
1800         if (memcmp(model, BINZERO, len) != 0) {
1801                 strncpy(ha->model_number, model, len);
1802                 st = en = ha->model_number;
1803                 en += len - 1;
1804                 while (en > st) {
1805                         if (*en != 0x20 && *en != 0x00)
1806                                 break;
1807                         *en-- = '\0';
1808                 }
1809
1810                 index = (ha->pdev->subsystem_device & 0xff);
1811                 if (use_tbl &&
1812                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1813                     index < QLA_MODEL_NAMES)
1814                         strncpy(ha->model_desc,
1815                             qla2x00_model_name[index * 2 + 1],
1816                             sizeof(ha->model_desc) - 1);
1817         } else {
1818                 index = (ha->pdev->subsystem_device & 0xff);
1819                 if (use_tbl &&
1820                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1821                     index < QLA_MODEL_NAMES) {
1822                         strcpy(ha->model_number,
1823                             qla2x00_model_name[index * 2]);
1824                         strncpy(ha->model_desc,
1825                             qla2x00_model_name[index * 2 + 1],
1826                             sizeof(ha->model_desc) - 1);
1827                 } else {
1828                         strcpy(ha->model_number, def);
1829                 }
1830         }
1831         if (IS_FWI2_CAPABLE(ha))
1832                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1833                     sizeof(ha->model_desc));
1834 }
1835
1836 /* On sparc systems, obtain port and node WWN from firmware
1837  * properties.
1838  */
1839 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
1840 {
1841 #ifdef CONFIG_SPARC
1842         struct qla_hw_data *ha = vha->hw;
1843         struct pci_dev *pdev = ha->pdev;
1844         struct device_node *dp = pci_device_to_OF_node(pdev);
1845         const u8 *val;
1846         int len;
1847
1848         val = of_get_property(dp, "port-wwn", &len);
1849         if (val && len >= WWN_SIZE)
1850                 memcpy(nv->port_name, val, WWN_SIZE);
1851
1852         val = of_get_property(dp, "node-wwn", &len);
1853         if (val && len >= WWN_SIZE)
1854                 memcpy(nv->node_name, val, WWN_SIZE);
1855 #endif
1856 }
1857
1858 /*
1859 * NVRAM configuration for ISP 2xxx
1860 *
1861 * Input:
1862 *      ha                = adapter block pointer.
1863 *
1864 * Output:
1865 *      initialization control block in response_ring
1866 *      host adapters parameters in host adapter block
1867 *
1868 * Returns:
1869 *      0 = success.
1870 */
1871 int
1872 qla2x00_nvram_config(scsi_qla_host_t *vha)
1873 {
1874         int             rval;
1875         uint8_t         chksum = 0;
1876         uint16_t        cnt;
1877         uint8_t         *dptr1, *dptr2;
1878         struct qla_hw_data *ha = vha->hw;
1879         init_cb_t       *icb = ha->init_cb;
1880         nvram_t         *nv = ha->nvram;
1881         uint8_t         *ptr = ha->nvram;
1882         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1883
1884         rval = QLA_SUCCESS;
1885
1886         /* Determine NVRAM starting address. */
1887         ha->nvram_size = sizeof(nvram_t);
1888         ha->nvram_base = 0;
1889         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1890                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1891                         ha->nvram_base = 0x80;
1892
1893         /* Get NVRAM data and calculate checksum. */
1894         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
1895         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1896                 chksum += *ptr++;
1897
1898         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
1899         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1900
1901         /* Bad NVRAM data, set defaults parameters. */
1902         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1903             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1904                 /* Reset NVRAM data. */
1905                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1906                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1907                     nv->nvram_version);
1908                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1909                     "invalid -- WWPN) defaults.\n");
1910
1911                 /*
1912                  * Set default initialization control block.
1913                  */
1914                 memset(nv, 0, ha->nvram_size);
1915                 nv->parameter_block_version = ICB_VERSION;
1916
1917                 if (IS_QLA23XX(ha)) {
1918                         nv->firmware_options[0] = BIT_2 | BIT_1;
1919                         nv->firmware_options[1] = BIT_7 | BIT_5;
1920                         nv->add_firmware_options[0] = BIT_5;
1921                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1922                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
1923                         nv->special_options[1] = BIT_7;
1924                 } else if (IS_QLA2200(ha)) {
1925                         nv->firmware_options[0] = BIT_2 | BIT_1;
1926                         nv->firmware_options[1] = BIT_7 | BIT_5;
1927                         nv->add_firmware_options[0] = BIT_5;
1928                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1929                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1930                 } else if (IS_QLA2100(ha)) {
1931                         nv->firmware_options[0] = BIT_3 | BIT_1;
1932                         nv->firmware_options[1] = BIT_5;
1933                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1934                 }
1935
1936                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1937                 nv->execution_throttle = __constant_cpu_to_le16(16);
1938                 nv->retry_count = 8;
1939                 nv->retry_delay = 1;
1940
1941                 nv->port_name[0] = 33;
1942                 nv->port_name[3] = 224;
1943                 nv->port_name[4] = 139;
1944
1945                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
1946
1947                 nv->login_timeout = 4;
1948
1949                 /*
1950                  * Set default host adapter parameters
1951                  */
1952                 nv->host_p[1] = BIT_2;
1953                 nv->reset_delay = 5;
1954                 nv->port_down_retry_count = 8;
1955                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1956                 nv->link_down_timeout = 60;
1957
1958                 rval = 1;
1959         }
1960
1961 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1962         /*
1963          * The SN2 does not provide BIOS emulation which means you can't change
1964          * potentially bogus BIOS settings. Force the use of default settings
1965          * for link rate and frame size.  Hope that the rest of the settings
1966          * are valid.
1967          */
1968         if (ia64_platform_is("sn2")) {
1969                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1970                 if (IS_QLA23XX(ha))
1971                         nv->special_options[1] = BIT_7;
1972         }
1973 #endif
1974
1975         /* Reset Initialization control block */
1976         memset(icb, 0, ha->init_cb_size);
1977
1978         /*
1979          * Setup driver NVRAM options.
1980          */
1981         nv->firmware_options[0] |= (BIT_6 | BIT_1);
1982         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1983         nv->firmware_options[1] |= (BIT_5 | BIT_0);
1984         nv->firmware_options[1] &= ~BIT_4;
1985
1986         if (IS_QLA23XX(ha)) {
1987                 nv->firmware_options[0] |= BIT_2;
1988                 nv->firmware_options[0] &= ~BIT_3;
1989                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1990
1991                 if (IS_QLA2300(ha)) {
1992                         if (ha->fb_rev == FPM_2310) {
1993                                 strcpy(ha->model_number, "QLA2310");
1994                         } else {
1995                                 strcpy(ha->model_number, "QLA2300");
1996                         }
1997                 } else {
1998                         qla2x00_set_model_info(vha, nv->model_number,
1999                             sizeof(nv->model_number), "QLA23xx");
2000                 }
2001         } else if (IS_QLA2200(ha)) {
2002                 nv->firmware_options[0] |= BIT_2;
2003                 /*
2004                  * 'Point-to-point preferred, else loop' is not a safe
2005                  * connection mode setting.
2006                  */
2007                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2008                     (BIT_5 | BIT_4)) {
2009                         /* Force 'loop preferred, else point-to-point'. */
2010                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2011                         nv->add_firmware_options[0] |= BIT_5;
2012                 }
2013                 strcpy(ha->model_number, "QLA22xx");
2014         } else /*if (IS_QLA2100(ha))*/ {
2015                 strcpy(ha->model_number, "QLA2100");
2016         }
2017
2018         /*
2019          * Copy over NVRAM RISC parameter block to initialization control block.
2020          */
2021         dptr1 = (uint8_t *)icb;
2022         dptr2 = (uint8_t *)&nv->parameter_block_version;
2023         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2024         while (cnt--)
2025                 *dptr1++ = *dptr2++;
2026
2027         /* Copy 2nd half. */
2028         dptr1 = (uint8_t *)icb->add_firmware_options;
2029         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2030         while (cnt--)
2031                 *dptr1++ = *dptr2++;
2032
2033         /* Use alternate WWN? */
2034         if (nv->host_p[1] & BIT_7) {
2035                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2036                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2037         }
2038
2039         /* Prepare nodename */
2040         if ((icb->firmware_options[1] & BIT_6) == 0) {
2041                 /*
2042                  * Firmware will apply the following mask if the nodename was
2043                  * not provided.
2044                  */
2045                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2046                 icb->node_name[0] &= 0xF0;
2047         }
2048
2049         /*
2050          * Set host adapter parameters.
2051          */
2052         if (nv->host_p[0] & BIT_7)
2053                 ql2xextended_error_logging = 1;
2054         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2055         /* Always load RISC code on non ISP2[12]00 chips. */
2056         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2057                 ha->flags.disable_risc_code_load = 0;
2058         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2059         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2060         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2061         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2062         ha->flags.disable_serdes = 0;
2063
2064         ha->operating_mode =
2065             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2066
2067         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2068             sizeof(ha->fw_seriallink_options));
2069
2070         /* save HBA serial number */
2071         ha->serial0 = icb->port_name[5];
2072         ha->serial1 = icb->port_name[6];
2073         ha->serial2 = icb->port_name[7];
2074         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2075         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2076
2077         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2078
2079         ha->retry_count = nv->retry_count;
2080
2081         /* Set minimum login_timeout to 4 seconds. */
2082         if (nv->login_timeout < ql2xlogintimeout)
2083                 nv->login_timeout = ql2xlogintimeout;
2084         if (nv->login_timeout < 4)
2085                 nv->login_timeout = 4;
2086         ha->login_timeout = nv->login_timeout;
2087         icb->login_timeout = nv->login_timeout;
2088
2089         /* Set minimum RATOV to 100 tenths of a second. */
2090         ha->r_a_tov = 100;
2091
2092         ha->loop_reset_delay = nv->reset_delay;
2093
2094         /* Link Down Timeout = 0:
2095          *
2096          *      When Port Down timer expires we will start returning
2097          *      I/O's to OS with "DID_NO_CONNECT".
2098          *
2099          * Link Down Timeout != 0:
2100          *
2101          *       The driver waits for the link to come up after link down
2102          *       before returning I/Os to OS with "DID_NO_CONNECT".
2103          */
2104         if (nv->link_down_timeout == 0) {
2105                 ha->loop_down_abort_time =
2106                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2107         } else {
2108                 ha->link_down_timeout =  nv->link_down_timeout;
2109                 ha->loop_down_abort_time =
2110                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2111         }
2112
2113         /*
2114          * Need enough time to try and get the port back.
2115          */
2116         ha->port_down_retry_count = nv->port_down_retry_count;
2117         if (qlport_down_retry)
2118                 ha->port_down_retry_count = qlport_down_retry;
2119         /* Set login_retry_count */
2120         ha->login_retry_count  = nv->retry_count;
2121         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2122             ha->port_down_retry_count > 3)
2123                 ha->login_retry_count = ha->port_down_retry_count;
2124         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2125                 ha->login_retry_count = ha->port_down_retry_count;
2126         if (ql2xloginretrycount)
2127                 ha->login_retry_count = ql2xloginretrycount;
2128
2129         icb->lun_enables = __constant_cpu_to_le16(0);
2130         icb->command_resource_count = 0;
2131         icb->immediate_notify_resource_count = 0;
2132         icb->timeout = __constant_cpu_to_le16(0);
2133
2134         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2135                 /* Enable RIO */
2136                 icb->firmware_options[0] &= ~BIT_3;
2137                 icb->add_firmware_options[0] &=
2138                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2139                 icb->add_firmware_options[0] |= BIT_2;
2140                 icb->response_accumulation_timer = 3;
2141                 icb->interrupt_delay_timer = 5;
2142
2143                 vha->flags.process_response_queue = 1;
2144         } else {
2145                 /* Enable ZIO. */
2146                 if (!vha->flags.init_done) {
2147                         ha->zio_mode = icb->add_firmware_options[0] &
2148                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2149                         ha->zio_timer = icb->interrupt_delay_timer ?
2150                             icb->interrupt_delay_timer: 2;
2151                 }
2152                 icb->add_firmware_options[0] &=
2153                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2154                 vha->flags.process_response_queue = 0;
2155                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2156                         ha->zio_mode = QLA_ZIO_MODE_6;
2157
2158                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2159                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
2160                             ha->zio_timer * 100));
2161                         qla_printk(KERN_INFO, ha,
2162                             "ZIO mode %d enabled; timer delay (%d us).\n",
2163                             ha->zio_mode, ha->zio_timer * 100);
2164
2165                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2166                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2167                         vha->flags.process_response_queue = 1;
2168                 }
2169         }
2170
2171         if (rval) {
2172                 DEBUG2_3(printk(KERN_WARNING
2173                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2174         }
2175         return (rval);
2176 }
2177
2178 static void
2179 qla2x00_rport_del(void *data)
2180 {
2181         fc_port_t *fcport = data;
2182         struct fc_rport *rport;
2183
2184         spin_lock_irq(fcport->vha->host->host_lock);
2185         rport = fcport->drport ? fcport->drport: fcport->rport;
2186         fcport->drport = NULL;
2187         spin_unlock_irq(fcport->vha->host->host_lock);
2188         if (rport)
2189                 fc_remote_port_delete(rport);
2190 }
2191
2192 /**
2193  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2194  * @ha: HA context
2195  * @flags: allocation flags
2196  *
2197  * Returns a pointer to the allocated fcport, or NULL, if none available.
2198  */
2199 static fc_port_t *
2200 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2201 {
2202         fc_port_t *fcport;
2203
2204         fcport = kzalloc(sizeof(fc_port_t), flags);
2205         if (!fcport)
2206                 return NULL;
2207
2208         /* Setup fcport template structure. */
2209         fcport->vha = vha;
2210         fcport->vp_idx = vha->vp_idx;
2211         fcport->port_type = FCT_UNKNOWN;
2212         fcport->loop_id = FC_NO_LOOP_ID;
2213         atomic_set(&fcport->state, FCS_UNCONFIGURED);
2214         fcport->supported_classes = FC_COS_UNSPECIFIED;
2215
2216         return fcport;
2217 }
2218
2219 /*
2220  * qla2x00_configure_loop
2221  *      Updates Fibre Channel Device Database with what is actually on loop.
2222  *
2223  * Input:
2224  *      ha                = adapter block pointer.
2225  *
2226  * Returns:
2227  *      0 = success.
2228  *      1 = error.
2229  *      2 = database was full and device was not configured.
2230  */
2231 static int
2232 qla2x00_configure_loop(scsi_qla_host_t *vha)
2233 {
2234         int  rval;
2235         unsigned long flags, save_flags;
2236         struct qla_hw_data *ha = vha->hw;
2237         rval = QLA_SUCCESS;
2238
2239         /* Get Initiator ID */
2240         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2241                 rval = qla2x00_configure_hba(vha);
2242                 if (rval != QLA_SUCCESS) {
2243                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2244                             vha->host_no));
2245                         return (rval);
2246                 }
2247         }
2248
2249         save_flags = flags = vha->dpc_flags;
2250         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2251             vha->host_no, flags));
2252
2253         /*
2254          * If we have both an RSCN and PORT UPDATE pending then handle them
2255          * both at the same time.
2256          */
2257         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2258         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2259
2260         /* Determine what we need to do */
2261         if (ha->current_topology == ISP_CFG_FL &&
2262             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2263
2264                 vha->flags.rscn_queue_overflow = 1;
2265                 set_bit(RSCN_UPDATE, &flags);
2266
2267         } else if (ha->current_topology == ISP_CFG_F &&
2268             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2269
2270                 vha->flags.rscn_queue_overflow = 1;
2271                 set_bit(RSCN_UPDATE, &flags);
2272                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2273
2274         } else if (ha->current_topology == ISP_CFG_N) {
2275                 clear_bit(RSCN_UPDATE, &flags);
2276
2277         } else if (!vha->flags.online ||
2278             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2279
2280                 vha->flags.rscn_queue_overflow = 1;
2281                 set_bit(RSCN_UPDATE, &flags);
2282                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2283         }
2284
2285         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2286                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2287                         rval = QLA_FUNCTION_FAILED;
2288                 else
2289                         rval = qla2x00_configure_local_loop(vha);
2290         }
2291
2292         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2293                 if (LOOP_TRANSITION(vha))
2294                         rval = QLA_FUNCTION_FAILED;
2295                 else
2296                         rval = qla2x00_configure_fabric(vha);
2297         }
2298
2299         if (rval == QLA_SUCCESS) {
2300                 if (atomic_read(&vha->loop_down_timer) ||
2301                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2302                         rval = QLA_FUNCTION_FAILED;
2303                 } else {
2304                         atomic_set(&vha->loop_state, LOOP_READY);
2305
2306                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2307                 }
2308         }
2309
2310         if (rval) {
2311                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2312                     __func__, vha->host_no));
2313         } else {
2314                 DEBUG3(printk("%s: exiting normally\n", __func__));
2315         }
2316
2317         /* Restore state if a resync event occurred during processing */
2318         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2319                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2320                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2321                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2322                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2323                         vha->flags.rscn_queue_overflow = 1;
2324                 }
2325         }
2326
2327         return (rval);
2328 }
2329
2330
2331
2332 /*
2333  * qla2x00_configure_local_loop
2334  *      Updates Fibre Channel Device Database with local loop devices.
2335  *
2336  * Input:
2337  *      ha = adapter block pointer.
2338  *
2339  * Returns:
2340  *      0 = success.
2341  */
2342 static int
2343 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2344 {
2345         int             rval, rval2;
2346         int             found_devs;
2347         int             found;
2348         fc_port_t       *fcport, *new_fcport;
2349
2350         uint16_t        index;
2351         uint16_t        entries;
2352         char            *id_iter;
2353         uint16_t        loop_id;
2354         uint8_t         domain, area, al_pa;
2355         struct qla_hw_data *ha = vha->hw;
2356
2357         found_devs = 0;
2358         new_fcport = NULL;
2359         entries = MAX_FIBRE_DEVICES;
2360
2361         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2362         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2363
2364         /* Get list of logged in devices. */
2365         memset(ha->gid_list, 0, GID_LIST_SIZE);
2366         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2367             &entries);
2368         if (rval != QLA_SUCCESS)
2369                 goto cleanup_allocation;
2370
2371         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2372             vha->host_no, entries));
2373         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2374             entries * sizeof(struct gid_list_info)));
2375
2376         /* Allocate temporary fcport for any new fcports discovered. */
2377         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2378         if (new_fcport == NULL) {
2379                 rval = QLA_MEMORY_ALLOC_FAILED;
2380                 goto cleanup_allocation;
2381         }
2382         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2383
2384         /*
2385          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2386          */
2387         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2388                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2389                     fcport->port_type != FCT_BROADCAST &&
2390                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2391
2392                         DEBUG(printk("scsi(%ld): Marking port lost, "
2393                             "loop_id=0x%04x\n",
2394                             vha->host_no, fcport->loop_id));
2395
2396                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2397                 }
2398         }
2399
2400         /* Add devices to port list. */
2401         id_iter = (char *)ha->gid_list;
2402         for (index = 0; index < entries; index++) {
2403                 domain = ((struct gid_list_info *)id_iter)->domain;
2404                 area = ((struct gid_list_info *)id_iter)->area;
2405                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2406                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2407                         loop_id = (uint16_t)
2408                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2409                 else
2410                         loop_id = le16_to_cpu(
2411                             ((struct gid_list_info *)id_iter)->loop_id);
2412                 id_iter += ha->gid_list_info_size;
2413
2414                 /* Bypass reserved domain fields. */
2415                 if ((domain & 0xf0) == 0xf0)
2416                         continue;
2417
2418                 /* Bypass if not same domain and area of adapter. */
2419                 if (area && domain &&
2420                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2421                         continue;
2422
2423                 /* Bypass invalid local loop ID. */
2424                 if (loop_id > LAST_LOCAL_LOOP_ID)
2425                         continue;
2426
2427                 /* Fill in member data. */
2428                 new_fcport->d_id.b.domain = domain;
2429                 new_fcport->d_id.b.area = area;
2430                 new_fcport->d_id.b.al_pa = al_pa;
2431                 new_fcport->loop_id = loop_id;
2432                 new_fcport->vp_idx = vha->vp_idx;
2433                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2434                 if (rval2 != QLA_SUCCESS) {
2435                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2436                             "information -- get_port_database=%x, "
2437                             "loop_id=0x%04x\n",
2438                             vha->host_no, rval2, new_fcport->loop_id));
2439                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2440                             vha->host_no));
2441                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2442                         continue;
2443                 }
2444
2445                 /* Check for matching device in port list. */
2446                 found = 0;
2447                 fcport = NULL;
2448                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2449                         if (memcmp(new_fcport->port_name, fcport->port_name,
2450                             WWN_SIZE))
2451                                 continue;
2452
2453                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2454                         fcport->loop_id = new_fcport->loop_id;
2455                         fcport->port_type = new_fcport->port_type;
2456                         fcport->d_id.b24 = new_fcport->d_id.b24;
2457                         memcpy(fcport->node_name, new_fcport->node_name,
2458                             WWN_SIZE);
2459
2460                         found++;
2461                         break;
2462                 }
2463
2464                 if (!found) {
2465                         /* New device, add to fcports list. */
2466                         if (vha->vp_idx) {
2467                                 new_fcport->vha = vha;
2468                                 new_fcport->vp_idx = vha->vp_idx;
2469                         }
2470                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2471
2472                         /* Allocate a new replacement fcport. */
2473                         fcport = new_fcport;
2474                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2475                         if (new_fcport == NULL) {
2476                                 rval = QLA_MEMORY_ALLOC_FAILED;
2477                                 goto cleanup_allocation;
2478                         }
2479                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2480                 }
2481
2482                 /* Base iIDMA settings on HBA port speed. */
2483                 fcport->fp_speed = ha->link_data_rate;
2484
2485                 qla2x00_update_fcport(vha, fcport);
2486
2487                 found_devs++;
2488         }
2489
2490 cleanup_allocation:
2491         kfree(new_fcport);
2492
2493         if (rval != QLA_SUCCESS) {
2494                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2495                     "rval=%x\n", vha->host_no, rval));
2496         }
2497
2498         return (rval);
2499 }
2500
2501 static void
2502 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2503 {
2504 #define LS_UNKNOWN      2
2505         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2506         char *link_speed;
2507         int rval;
2508         uint16_t mb[4];
2509         struct qla_hw_data *ha = vha->hw;
2510
2511         if (!IS_IIDMA_CAPABLE(ha))
2512                 return;
2513
2514         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2515             fcport->fp_speed > ha->link_data_rate)
2516                 return;
2517
2518         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2519             mb);
2520         if (rval != QLA_SUCCESS) {
2521                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2522                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2523                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2524                     fcport->port_name[2], fcport->port_name[3],
2525                     fcport->port_name[4], fcport->port_name[5],
2526                     fcport->port_name[6], fcport->port_name[7], rval,
2527                     fcport->fp_speed, mb[0], mb[1]));
2528         } else {
2529                 link_speed = link_speeds[LS_UNKNOWN];
2530                 if (fcport->fp_speed < 5)
2531                         link_speed = link_speeds[fcport->fp_speed];
2532                 else if (fcport->fp_speed == 0x13)
2533                         link_speed = link_speeds[5];
2534                 DEBUG2(qla_printk(KERN_INFO, ha,
2535                     "iIDMA adjusted to %s GB/s on "
2536                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2537                     link_speed, fcport->port_name[0],
2538                     fcport->port_name[1], fcport->port_name[2],
2539                     fcport->port_name[3], fcport->port_name[4],
2540                     fcport->port_name[5], fcport->port_name[6],
2541                     fcport->port_name[7]));
2542         }
2543 }
2544
2545 static void
2546 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2547 {
2548         struct fc_rport_identifiers rport_ids;
2549         struct fc_rport *rport;
2550         struct qla_hw_data *ha = vha->hw;
2551
2552         qla2x00_rport_del(fcport);
2553
2554         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2555         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2556         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2557             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2558         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2559         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2560         if (!rport) {
2561                 qla_printk(KERN_WARNING, ha,
2562                     "Unable to allocate fc remote port!\n");
2563                 return;
2564         }
2565         spin_lock_irq(fcport->vha->host->host_lock);
2566         *((fc_port_t **)rport->dd_data) = fcport;
2567         spin_unlock_irq(fcport->vha->host->host_lock);
2568
2569         rport->supported_classes = fcport->supported_classes;
2570
2571         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2572         if (fcport->port_type == FCT_INITIATOR)
2573                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2574         if (fcport->port_type == FCT_TARGET)
2575                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2576         fc_remote_port_rolechg(rport, rport_ids.roles);
2577 }
2578
2579 /*
2580  * qla2x00_update_fcport
2581  *      Updates device on list.
2582  *
2583  * Input:
2584  *      ha = adapter block pointer.
2585  *      fcport = port structure pointer.
2586  *
2587  * Return:
2588  *      0  - Success
2589  *  BIT_0 - error
2590  *
2591  * Context:
2592  *      Kernel context.
2593  */
2594 void
2595 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2596 {
2597         struct qla_hw_data *ha = vha->hw;
2598
2599         fcport->vha = vha;
2600         fcport->login_retry = 0;
2601         fcport->port_login_retry_count = ha->port_down_retry_count *
2602             PORT_RETRY_TIME;
2603         atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2604             PORT_RETRY_TIME);
2605         fcport->flags &= ~FCF_LOGIN_NEEDED;
2606
2607         qla2x00_iidma_fcport(vha, fcport);
2608
2609         atomic_set(&fcport->state, FCS_ONLINE);
2610
2611         qla2x00_reg_remote_port(vha, fcport);
2612 }
2613
2614 /*
2615  * qla2x00_configure_fabric
2616  *      Setup SNS devices with loop ID's.
2617  *
2618  * Input:
2619  *      ha = adapter block pointer.
2620  *
2621  * Returns:
2622  *      0 = success.
2623  *      BIT_0 = error
2624  */
2625 static int
2626 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2627 {
2628         int     rval, rval2;
2629         fc_port_t       *fcport, *fcptemp;
2630         uint16_t        next_loopid;
2631         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2632         uint16_t        loop_id;
2633         LIST_HEAD(new_fcports);
2634         struct qla_hw_data *ha = vha->hw;
2635         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2636
2637         /* If FL port exists, then SNS is present */
2638         if (IS_FWI2_CAPABLE(ha))
2639                 loop_id = NPH_F_PORT;
2640         else
2641                 loop_id = SNS_FL_PORT;
2642         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2643         if (rval != QLA_SUCCESS) {
2644                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2645                     "Port\n", vha->host_no));
2646
2647                 vha->device_flags &= ~SWITCH_FOUND;
2648                 return (QLA_SUCCESS);
2649         }
2650         vha->device_flags |= SWITCH_FOUND;
2651
2652         /* Mark devices that need re-synchronization. */
2653         rval2 = qla2x00_device_resync(vha);
2654         if (rval2 == QLA_RSCNS_HANDLED) {
2655                 /* No point doing the scan, just continue. */
2656                 return (QLA_SUCCESS);
2657         }
2658         do {
2659                 /* FDMI support. */
2660                 if (ql2xfdmienable &&
2661                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2662                         qla2x00_fdmi_register(vha);
2663
2664                 /* Ensure we are logged into the SNS. */
2665                 if (IS_FWI2_CAPABLE(ha))
2666                         loop_id = NPH_SNS;
2667                 else
2668                         loop_id = SIMPLE_NAME_SERVER;
2669                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2670                     0xfc, mb, BIT_1 | BIT_0);
2671                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2672                         DEBUG2(qla_printk(KERN_INFO, ha,
2673                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2674                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2675                             mb[0], mb[1], mb[2], mb[6], mb[7]));
2676                         return (QLA_SUCCESS);
2677                 }
2678
2679                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2680                         if (qla2x00_rft_id(vha)) {
2681                                 /* EMPTY */
2682                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2683                                     "TYPE failed.\n", vha->host_no));
2684                         }
2685                         if (qla2x00_rff_id(vha)) {
2686                                 /* EMPTY */
2687                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2688                                     "Features failed.\n", vha->host_no));
2689                         }
2690                         if (qla2x00_rnn_id(vha)) {
2691                                 /* EMPTY */
2692                                 DEBUG2(printk("scsi(%ld): Register Node Name "
2693                                     "failed.\n", vha->host_no));
2694                         } else if (qla2x00_rsnn_nn(vha)) {
2695                                 /* EMPTY */
2696                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
2697                                     "Node Name failed.\n", vha->host_no));
2698                         }
2699                 }
2700
2701                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2702                 if (rval != QLA_SUCCESS)
2703                         break;
2704
2705                 /*
2706                  * Logout all previous fabric devices marked lost, except
2707                  * tape devices.
2708                  */
2709                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2710                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2711                                 break;
2712
2713                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2714                                 continue;
2715
2716                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2717                                 qla2x00_mark_device_lost(vha, fcport,
2718                                     ql2xplogiabsentdevice, 0);
2719                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
2720                                     (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2721                                     fcport->port_type != FCT_INITIATOR &&
2722                                     fcport->port_type != FCT_BROADCAST) {
2723                                         ha->isp_ops->fabric_logout(vha,
2724                                             fcport->loop_id,
2725                                             fcport->d_id.b.domain,
2726                                             fcport->d_id.b.area,
2727                                             fcport->d_id.b.al_pa);
2728                                         fcport->loop_id = FC_NO_LOOP_ID;
2729                                 }
2730                         }
2731                 }
2732
2733                 /* Starting free loop ID. */
2734                 next_loopid = ha->min_external_loopid;
2735
2736                 /*
2737                  * Scan through our port list and login entries that need to be
2738                  * logged in.
2739                  */
2740                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2741                         if (atomic_read(&vha->loop_down_timer) ||
2742                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2743                                 break;
2744
2745                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2746                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2747                                 continue;
2748
2749                         if (fcport->loop_id == FC_NO_LOOP_ID) {
2750                                 fcport->loop_id = next_loopid;
2751                                 rval = qla2x00_find_new_loop_id(
2752                                     base_vha, fcport);
2753                                 if (rval != QLA_SUCCESS) {
2754                                         /* Ran out of IDs to use */
2755                                         break;
2756                                 }
2757                         }
2758                         /* Login and update database */
2759                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2760                 }
2761
2762                 /* Exit if out of loop IDs. */
2763                 if (rval != QLA_SUCCESS) {
2764                         break;
2765                 }
2766
2767                 /*
2768                  * Login and add the new devices to our port list.
2769                  */
2770                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2771                         if (atomic_read(&vha->loop_down_timer) ||
2772                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2773                                 break;
2774
2775                         /* Find a new loop ID to use. */
2776                         fcport->loop_id = next_loopid;
2777                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
2778                         if (rval != QLA_SUCCESS) {
2779                                 /* Ran out of IDs to use */
2780                                 break;
2781                         }
2782
2783                         /* Login and update database */
2784                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2785
2786                         if (vha->vp_idx) {
2787                                 fcport->vha = vha;
2788                                 fcport->vp_idx = vha->vp_idx;
2789                         }
2790                         list_move_tail(&fcport->list, &vha->vp_fcports);
2791                 }
2792         } while (0);
2793
2794         /* Free all new device structures not processed. */
2795         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2796                 list_del(&fcport->list);
2797                 kfree(fcport);
2798         }
2799
2800         if (rval) {
2801                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2802                     "rval=%d\n", vha->host_no, rval));
2803         }
2804
2805         return (rval);
2806 }
2807
2808
2809 /*
2810  * qla2x00_find_all_fabric_devs
2811  *
2812  * Input:
2813  *      ha = adapter block pointer.
2814  *      dev = database device entry pointer.
2815  *
2816  * Returns:
2817  *      0 = success.
2818  *
2819  * Context:
2820  *      Kernel context.
2821  */
2822 static int
2823 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2824         struct list_head *new_fcports)
2825 {
2826         int             rval;
2827         uint16_t        loop_id;
2828         fc_port_t       *fcport, *new_fcport, *fcptemp;
2829         int             found;
2830
2831         sw_info_t       *swl;
2832         int             swl_idx;
2833         int             first_dev, last_dev;
2834         port_id_t       wrap, nxt_d_id;
2835         struct qla_hw_data *ha = vha->hw;
2836         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
2837         struct scsi_qla_host *tvp;
2838
2839         rval = QLA_SUCCESS;
2840
2841         /* Try GID_PT to get device list, else GAN. */
2842         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2843         if (!swl) {
2844                 /*EMPTY*/
2845                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2846                     "on GA_NXT\n", vha->host_no));
2847         } else {
2848                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
2849                         kfree(swl);
2850                         swl = NULL;
2851                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
2852                         kfree(swl);
2853                         swl = NULL;
2854                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
2855                         kfree(swl);
2856                         swl = NULL;
2857                 } else if (ql2xiidmaenable &&
2858                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2859                         qla2x00_gpsc(vha, swl);
2860                 }
2861         }
2862         swl_idx = 0;
2863
2864         /* Allocate temporary fcport for any new fcports discovered. */
2865         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2866         if (new_fcport == NULL) {
2867                 kfree(swl);
2868                 return (QLA_MEMORY_ALLOC_FAILED);
2869         }
2870         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2871         /* Set start port ID scan at adapter ID. */
2872         first_dev = 1;
2873         last_dev = 0;
2874
2875         /* Starting free loop ID. */
2876         loop_id = ha->min_external_loopid;
2877         for (; loop_id <= ha->max_loop_id; loop_id++) {
2878                 if (qla2x00_is_reserved_id(vha, loop_id))
2879                         continue;
2880
2881                 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
2882                         break;
2883
2884                 if (swl != NULL) {
2885                         if (last_dev) {
2886                                 wrap.b24 = new_fcport->d_id.b24;
2887                         } else {
2888                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2889                                 memcpy(new_fcport->node_name,
2890                                     swl[swl_idx].node_name, WWN_SIZE);
2891                                 memcpy(new_fcport->port_name,
2892                                     swl[swl_idx].port_name, WWN_SIZE);
2893                                 memcpy(new_fcport->fabric_port_name,
2894                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
2895                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2896
2897                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2898                                         last_dev = 1;
2899                                 }
2900                                 swl_idx++;
2901                         }
2902                 } else {
2903                         /* Send GA_NXT to the switch */
2904                         rval = qla2x00_ga_nxt(vha, new_fcport);
2905                         if (rval != QLA_SUCCESS) {
2906                                 qla_printk(KERN_WARNING, ha,
2907                                     "SNS scan failed -- assuming zero-entry "
2908                                     "result...\n");
2909                                 list_for_each_entry_safe(fcport, fcptemp,
2910                                     new_fcports, list) {
2911                                         list_del(&fcport->list);
2912                                         kfree(fcport);
2913                                 }
2914                                 rval = QLA_SUCCESS;
2915                                 break;
2916                         }
2917                 }
2918
2919                 /* If wrap on switch device list, exit. */
2920                 if (first_dev) {
2921                         wrap.b24 = new_fcport->d_id.b24;
2922                         first_dev = 0;
2923                 } else if (new_fcport->d_id.b24 == wrap.b24) {
2924                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2925                             vha->host_no, new_fcport->d_id.b.domain,
2926                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2927                         break;
2928                 }
2929
2930                 /* Bypass if same physical adapter. */
2931                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
2932                         continue;
2933
2934                 /* Bypass virtual ports of the same host. */
2935                 found = 0;
2936                 if (ha->num_vhosts) {
2937                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2938                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2939                                         found = 1;
2940                                         break;
2941                                 }
2942                         }
2943                         if (found)
2944                                 continue;
2945                 }
2946
2947                 /* Bypass if same domain and area of adapter. */
2948                 if (((new_fcport->d_id.b24 & 0xffff00) ==
2949                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2950                         ISP_CFG_FL)
2951                             continue;
2952
2953                 /* Bypass reserved domain fields. */
2954                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2955                         continue;
2956
2957                 /* Locate matching device in database. */
2958                 found = 0;
2959                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2960                         if (memcmp(new_fcport->port_name, fcport->port_name,
2961                             WWN_SIZE))
2962                                 continue;
2963
2964                         found++;
2965
2966                         /* Update port state. */
2967                         memcpy(fcport->fabric_port_name,
2968                             new_fcport->fabric_port_name, WWN_SIZE);
2969                         fcport->fp_speed = new_fcport->fp_speed;
2970
2971                         /*
2972                          * If address the same and state FCS_ONLINE, nothing
2973                          * changed.
2974                          */
2975                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2976                             atomic_read(&fcport->state) == FCS_ONLINE) {
2977                                 break;
2978                         }
2979
2980                         /*
2981                          * If device was not a fabric device before.
2982                          */
2983                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2984                                 fcport->d_id.b24 = new_fcport->d_id.b24;
2985                                 fcport->loop_id = FC_NO_LOOP_ID;
2986                                 fcport->flags |= (FCF_FABRIC_DEVICE |
2987                                     FCF_LOGIN_NEEDED);
2988                                 break;
2989                         }
2990
2991                         /*
2992                          * Port ID changed or device was marked to be updated;
2993                          * Log it out if still logged in and mark it for
2994                          * relogin later.
2995                          */
2996                         fcport->d_id.b24 = new_fcport->d_id.b24;
2997                         fcport->flags |= FCF_LOGIN_NEEDED;
2998                         if (fcport->loop_id != FC_NO_LOOP_ID &&
2999                             (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
3000                             fcport->port_type != FCT_INITIATOR &&
3001                             fcport->port_type != FCT_BROADCAST) {
3002                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3003                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3004                                     fcport->d_id.b.al_pa);
3005                                 fcport->loop_id = FC_NO_LOOP_ID;
3006                         }
3007
3008                         break;
3009                 }
3010
3011                 if (found)
3012                         continue;
3013                 /* If device was not in our fcports list, then add it. */
3014                 list_add_tail(&new_fcport->list, new_fcports);
3015
3016                 /* Allocate a new replacement fcport. */
3017                 nxt_d_id.b24 = new_fcport->d_id.b24;
3018                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3019                 if (new_fcport == NULL) {
3020                         kfree(swl);
3021                         return (QLA_MEMORY_ALLOC_FAILED);
3022                 }
3023                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3024                 new_fcport->d_id.b24 = nxt_d_id.b24;
3025         }
3026
3027         kfree(swl);
3028         kfree(new_fcport);
3029
3030         return (rval);
3031 }
3032
3033 /*
3034  * qla2x00_find_new_loop_id
3035  *      Scan through our port list and find a new usable loop ID.
3036  *
3037  * Input:
3038  *      ha:     adapter state pointer.
3039  *      dev:    port structure pointer.
3040  *
3041  * Returns:
3042  *      qla2x00 local function return status code.
3043  *
3044  * Context:
3045  *      Kernel context.
3046  */
3047 static int
3048 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3049 {
3050         int     rval;
3051         int     found;
3052         fc_port_t *fcport;
3053         uint16_t first_loop_id;
3054         struct qla_hw_data *ha = vha->hw;
3055         struct scsi_qla_host *vp;
3056         struct scsi_qla_host *tvp;
3057
3058         rval = QLA_SUCCESS;
3059
3060         /* Save starting loop ID. */
3061         first_loop_id = dev->loop_id;
3062
3063         for (;;) {
3064                 /* Skip loop ID if already used by adapter. */
3065                 if (dev->loop_id == vha->loop_id)
3066                         dev->loop_id++;
3067
3068                 /* Skip reserved loop IDs. */
3069                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3070                         dev->loop_id++;
3071
3072                 /* Reset loop ID if passed the end. */
3073                 if (dev->loop_id > ha->max_loop_id) {
3074                         /* first loop ID. */
3075                         dev->loop_id = ha->min_external_loopid;
3076                 }
3077
3078                 /* Check for loop ID being already in use. */
3079                 found = 0;
3080                 fcport = NULL;
3081                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3082                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
3083                                 if (fcport->loop_id == dev->loop_id &&
3084                                                                 fcport != dev) {
3085                                         /* ID possibly in use */
3086                                         found++;
3087                                         break;
3088                                 }
3089                         }
3090                         if (found)
3091                                 break;
3092                 }
3093
3094                 /* If not in use then it is free to use. */
3095                 if (!found) {
3096                         break;
3097                 }
3098
3099                 /* ID in use. Try next value. */
3100                 dev->loop_id++;
3101
3102                 /* If wrap around. No free ID to use. */
3103                 if (dev->loop_id == first_loop_id) {
3104                         dev->loop_id = FC_NO_LOOP_ID;
3105                         rval = QLA_FUNCTION_FAILED;
3106                         break;
3107                 }
3108         }
3109
3110         return (rval);
3111 }
3112
3113 /*
3114  * qla2x00_device_resync
3115  *      Marks devices in the database that needs resynchronization.
3116  *
3117  * Input:
3118  *      ha = adapter block pointer.
3119  *
3120  * Context:
3121  *      Kernel context.
3122  */
3123 static int
3124 qla2x00_device_resync(scsi_qla_host_t *vha)
3125 {
3126         int     rval;
3127         uint32_t mask;
3128         fc_port_t *fcport;
3129         uint32_t rscn_entry;
3130         uint8_t rscn_out_iter;
3131         uint8_t format;
3132         port_id_t d_id;
3133
3134         rval = QLA_RSCNS_HANDLED;
3135
3136         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3137             vha->flags.rscn_queue_overflow) {
3138
3139                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3140                 format = MSB(MSW(rscn_entry));
3141                 d_id.b.domain = LSB(MSW(rscn_entry));
3142                 d_id.b.area = MSB(LSW(rscn_entry));
3143                 d_id.b.al_pa = LSB(LSW(rscn_entry));
3144
3145                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3146                     "[%02x/%02x%02x%02x].\n",
3147                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3148                     d_id.b.area, d_id.b.al_pa));
3149
3150                 vha->rscn_out_ptr++;
3151                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3152                         vha->rscn_out_ptr = 0;
3153
3154                 /* Skip duplicate entries. */
3155                 for (rscn_out_iter = vha->rscn_out_ptr;
3156                     !vha->flags.rscn_queue_overflow &&
3157                     rscn_out_iter != vha->rscn_in_ptr;
3158                     rscn_out_iter = (rscn_out_iter ==
3159                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3160
3161                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3162                                 break;
3163
3164                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3165                             "entry found at [%d].\n", vha->host_no,
3166                             rscn_out_iter));
3167
3168                         vha->rscn_out_ptr = rscn_out_iter;
3169                 }
3170
3171                 /* Queue overflow, set switch default case. */
3172                 if (vha->flags.rscn_queue_overflow) {
3173                         DEBUG(printk("scsi(%ld): device_resync: rscn "
3174                             "overflow.\n", vha->host_no));
3175
3176                         format = 3;
3177                         vha->flags.rscn_queue_overflow = 0;
3178                 }
3179
3180                 switch (format) {
3181                 case 0:
3182                         mask = 0xffffff;
3183                         break;
3184                 case 1:
3185                         mask = 0xffff00;
3186                         break;
3187                 case 2:
3188                         mask = 0xff0000;
3189                         break;
3190                 default:
3191                         mask = 0x0;
3192                         d_id.b24 = 0;
3193                         vha->rscn_out_ptr = vha->rscn_in_ptr;
3194                         break;
3195                 }
3196
3197                 rval = QLA_SUCCESS;
3198
3199                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3200                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3201                             (fcport->d_id.b24 & mask) != d_id.b24 ||
3202                             fcport->port_type == FCT_BROADCAST)
3203                                 continue;
3204
3205                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3206                                 if (format != 3 ||
3207                                     fcport->port_type != FCT_INITIATOR) {
3208                                         qla2x00_mark_device_lost(vha, fcport,
3209                                             0, 0);
3210                                 }
3211                         }
3212                 }
3213         }
3214         return (rval);
3215 }
3216
3217 /*
3218  * qla2x00_fabric_dev_login
3219  *      Login fabric target device and update FC port database.
3220  *
3221  * Input:
3222  *      ha:             adapter state pointer.
3223  *      fcport:         port structure list pointer.
3224  *      next_loopid:    contains value of a new loop ID that can be used
3225  *                      by the next login attempt.
3226  *
3227  * Returns:
3228  *      qla2x00 local function return status code.
3229  *
3230  * Context:
3231  *      Kernel context.
3232  */
3233 static int
3234 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3235     uint16_t *next_loopid)
3236 {
3237         int     rval;
3238         int     retry;
3239         uint8_t opts;
3240         struct qla_hw_data *ha = vha->hw;
3241
3242         rval = QLA_SUCCESS;
3243         retry = 0;
3244
3245         if (IS_ALOGIO_CAPABLE(ha)) {
3246                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3247                 if (!rval)
3248                         return rval;
3249         }
3250
3251         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3252         if (rval == QLA_SUCCESS) {
3253                 /* Send an ADISC to tape devices.*/
3254                 opts = 0;
3255                 if (fcport->flags & FCF_TAPE_PRESENT)
3256                         opts |= BIT_1;
3257                 rval = qla2x00_get_port_database(vha, fcport, opts);
3258                 if (rval != QLA_SUCCESS) {
3259                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3260                             fcport->d_id.b.domain, fcport->d_id.b.area,
3261                             fcport->d_id.b.al_pa);
3262                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3263                 } else {
3264                         qla2x00_update_fcport(vha, fcport);
3265                 }
3266         }
3267
3268         return (rval);
3269 }
3270
3271 /*
3272  * qla2x00_fabric_login
3273  *      Issue fabric login command.
3274  *
3275  * Input:
3276  *      ha = adapter block pointer.
3277  *      device = pointer to FC device type structure.
3278  *
3279  * Returns:
3280  *      0 - Login successfully
3281  *      1 - Login failed
3282  *      2 - Initiator device
3283  *      3 - Fatal error
3284  */
3285 int
3286 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3287     uint16_t *next_loopid)
3288 {
3289         int     rval;
3290         int     retry;
3291         uint16_t tmp_loopid;
3292         uint16_t mb[MAILBOX_REGISTER_COUNT];
3293         struct qla_hw_data *ha = vha->hw;
3294
3295         retry = 0;
3296         tmp_loopid = 0;
3297
3298         for (;;) {
3299                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3300                     "for port %02x%02x%02x.\n",
3301                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3302                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3303
3304                 /* Login fcport on switch. */
3305                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3306                     fcport->d_id.b.domain, fcport->d_id.b.area,
3307                     fcport->d_id.b.al_pa, mb, BIT_0);
3308                 if (mb[0] == MBS_PORT_ID_USED) {
3309                         /*
3310                          * Device has another loop ID.  The firmware team
3311                          * recommends the driver perform an implicit login with
3312                          * the specified ID again. The ID we just used is save
3313                          * here so we return with an ID that can be tried by
3314                          * the next login.
3315                          */
3316                         retry++;
3317                         tmp_loopid = fcport->loop_id;
3318                         fcport->loop_id = mb[1];
3319
3320                         DEBUG(printk("Fabric Login: port in use - next "
3321                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3322                             fcport->loop_id, fcport->d_id.b.domain,
3323                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3324
3325                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3326                         /*
3327                          * Login succeeded.
3328                          */
3329                         if (retry) {
3330                                 /* A retry occurred before. */
3331                                 *next_loopid = tmp_loopid;
3332                         } else {
3333                                 /*
3334                                  * No retry occurred before. Just increment the
3335                                  * ID value for next login.
3336                                  */
3337                                 *next_loopid = (fcport->loop_id + 1);
3338                         }
3339
3340                         if (mb[1] & BIT_0) {
3341                                 fcport->port_type = FCT_INITIATOR;
3342                         } else {
3343                                 fcport->port_type = FCT_TARGET;
3344                                 if (mb[1] & BIT_1) {
3345                                         fcport->flags |= FCF_FCP2_DEVICE;
3346                                 }
3347                         }
3348
3349                         if (mb[10] & BIT_0)
3350                                 fcport->supported_classes |= FC_COS_CLASS2;
3351                         if (mb[10] & BIT_1)
3352                                 fcport->supported_classes |= FC_COS_CLASS3;
3353
3354                         rval = QLA_SUCCESS;
3355                         break;
3356                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3357                         /*
3358                          * Loop ID already used, try next loop ID.
3359                          */
3360                         fcport->loop_id++;
3361                         rval = qla2x00_find_new_loop_id(vha, fcport);
3362                         if (rval != QLA_SUCCESS) {
3363                                 /* Ran out of loop IDs to use */
3364                                 break;
3365                         }
3366                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3367                         /*
3368                          * Firmware possibly timed out during login. If NO
3369                          * retries are left to do then the device is declared
3370                          * dead.
3371                          */
3372                         *next_loopid = fcport->loop_id;
3373                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3374                             fcport->d_id.b.domain, fcport->d_id.b.area,
3375                             fcport->d_id.b.al_pa);
3376                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3377
3378                         rval = 1;
3379                         break;
3380                 } else {
3381                         /*
3382                          * unrecoverable / not handled error
3383                          */
3384                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3385                             "loop_id=%x jiffies=%lx.\n",
3386                             __func__, vha->host_no, mb[0],
3387                             fcport->d_id.b.domain, fcport->d_id.b.area,
3388                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3389
3390                         *next_loopid = fcport->loop_id;
3391                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3392                             fcport->d_id.b.domain, fcport->d_id.b.area,
3393                             fcport->d_id.b.al_pa);
3394                         fcport->loop_id = FC_NO_LOOP_ID;
3395                         fcport->login_retry = 0;
3396
3397                         rval = 3;
3398                         break;
3399                 }
3400         }
3401
3402         return (rval);
3403 }
3404
3405 /*
3406  * qla2x00_local_device_login
3407  *      Issue local device login command.
3408  *
3409  * Input:
3410  *      ha = adapter block pointer.
3411  *      loop_id = loop id of device to login to.
3412  *
3413  * Returns (Where's the #define!!!!):
3414  *      0 - Login successfully
3415  *      1 - Login failed
3416  *      3 - Fatal error
3417  */
3418 int
3419 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3420 {
3421         int             rval;
3422         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3423
3424         memset(mb, 0, sizeof(mb));
3425         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3426         if (rval == QLA_SUCCESS) {
3427                 /* Interrogate mailbox registers for any errors */
3428                 if (mb[0] == MBS_COMMAND_ERROR)
3429                         rval = 1;
3430                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3431                         /* device not in PCB table */
3432                         rval = 3;
3433         }
3434
3435         return (rval);
3436 }
3437
3438 /*
3439  *  qla2x00_loop_resync
3440  *      Resync with fibre channel devices.
3441  *
3442  * Input:
3443  *      ha = adapter block pointer.
3444  *
3445  * Returns:
3446  *      0 = success
3447  */
3448 int
3449 qla2x00_loop_resync(scsi_qla_host_t *vha)
3450 {
3451         int rval = QLA_SUCCESS;
3452         uint32_t wait_time;
3453         struct req_que *req;
3454         struct rsp_que *rsp;
3455
3456         if (vha->hw->flags.cpu_affinity_enabled)
3457                 req = vha->hw->req_q_map[0];
3458         else
3459                 req = vha->req;
3460         rsp = req->rsp;
3461
3462         atomic_set(&vha->loop_state, LOOP_UPDATE);
3463         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3464         if (vha->flags.online) {
3465                 if (!(rval = qla2x00_fw_ready(vha))) {
3466                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3467                         wait_time = 256;
3468                         do {
3469                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3470
3471                                 /* Issue a marker after FW becomes ready. */
3472                                 qla2x00_marker(vha, req, rsp, 0, 0,
3473                                         MK_SYNC_ALL);
3474                                 vha->marker_needed = 0;
3475
3476                                 /* Remap devices on Loop. */
3477                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3478
3479                                 qla2x00_configure_loop(vha);
3480                                 wait_time--;
3481                         } while (!atomic_read(&vha->loop_down_timer) &&
3482                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3483                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3484                                 &vha->dpc_flags)));
3485                 }
3486         }
3487
3488         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3489                 return (QLA_FUNCTION_FAILED);
3490
3491         if (rval)
3492                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3493
3494         return (rval);
3495 }
3496
3497 void
3498 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3499 {
3500         fc_port_t *fcport;
3501         struct scsi_qla_host *tvp, *vha;
3502
3503         /* Go with deferred removal of rport references. */
3504         list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list)
3505                 list_for_each_entry(fcport, &vha->vp_fcports, list)
3506                         if (fcport && fcport->drport &&
3507                             atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3508                                 qla2x00_rport_del(fcport);
3509 }
3510
3511 /*
3512 *  qla2x00_abort_isp
3513 *      Resets ISP and aborts all outstanding commands.
3514 *
3515 * Input:
3516 *      ha           = adapter block pointer.
3517 *
3518 * Returns:
3519 *      0 = success
3520 */
3521 int
3522 qla2x00_abort_isp(scsi_qla_host_t *vha)
3523 {
3524         int rval;
3525         uint8_t        status = 0;
3526         struct qla_hw_data *ha = vha->hw;
3527         struct scsi_qla_host *vp;
3528         struct scsi_qla_host *tvp;
3529         struct req_que *req = ha->req_q_map[0];
3530
3531         if (vha->flags.online) {
3532                 vha->flags.online = 0;
3533                 ha->flags.chip_reset_done = 0;
3534                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3535                 ha->qla_stats.total_isp_aborts++;
3536
3537                 qla_printk(KERN_INFO, ha,
3538                     "Performing ISP error recovery - ha= %p.\n", ha);
3539                 ha->isp_ops->reset_chip(vha);
3540
3541                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3542                 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3543                         atomic_set(&vha->loop_state, LOOP_DOWN);
3544                         qla2x00_mark_all_devices_lost(vha, 0);
3545                 } else {
3546                         if (!atomic_read(&vha->loop_down_timer))
3547                                 atomic_set(&vha->loop_down_timer,
3548                                     LOOP_DOWN_TIME);
3549                 }
3550
3551                 /* Requeue all commands in outstanding command list. */
3552                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3553
3554                 ha->isp_ops->get_flash_version(vha, req->ring);
3555
3556                 ha->isp_ops->nvram_config(vha);
3557
3558                 if (!qla2x00_restart_isp(vha)) {
3559                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3560
3561                         if (!atomic_read(&vha->loop_down_timer)) {
3562                                 /*
3563                                  * Issue marker command only when we are going
3564                                  * to start the I/O .
3565                                  */
3566                                 vha->marker_needed = 1;
3567                         }
3568
3569                         vha->flags.online = 1;
3570
3571                         ha->isp_ops->enable_intrs(ha);
3572
3573                         ha->isp_abort_cnt = 0;
3574                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3575
3576                         if (ha->fce) {
3577                                 ha->flags.fce_enabled = 1;
3578                                 memset(ha->fce, 0,
3579                                     fce_calc_size(ha->fce_bufs));
3580                                 rval = qla2x00_enable_fce_trace(vha,
3581                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3582                                     &ha->fce_bufs);
3583                                 if (rval) {
3584                                         qla_printk(KERN_WARNING, ha,
3585                                             "Unable to reinitialize FCE "
3586                                             "(%d).\n", rval);
3587                                         ha->flags.fce_enabled = 0;
3588                                 }
3589                         }
3590
3591                         if (ha->eft) {
3592                                 memset(ha->eft, 0, EFT_SIZE);
3593                                 rval = qla2x00_enable_eft_trace(vha,
3594                                     ha->eft_dma, EFT_NUM_BUFFERS);
3595                                 if (rval) {
3596                                         qla_printk(KERN_WARNING, ha,
3597                                             "Unable to reinitialize EFT "
3598                                             "(%d).\n", rval);
3599                                 }
3600                         }
3601                 } else {        /* failed the ISP abort */
3602                         vha->flags.online = 1;
3603                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3604                                 if (ha->isp_abort_cnt == 0) {
3605                                         qla_printk(KERN_WARNING, ha,
3606                                             "ISP error recovery failed - "
3607                                             "board disabled\n");
3608                                         /*
3609                                          * The next call disables the board
3610                                          * completely.
3611                                          */
3612                                         ha->isp_ops->reset_adapter(vha);
3613                                         vha->flags.online = 0;
3614                                         clear_bit(ISP_ABORT_RETRY,
3615                                             &vha->dpc_flags);
3616                                         status = 0;
3617                                 } else { /* schedule another ISP abort */
3618                                         ha->isp_abort_cnt--;
3619                                         DEBUG(printk("qla%ld: ISP abort - "
3620                                             "retry remaining %d\n",
3621                                             vha->host_no, ha->isp_abort_cnt));
3622                                         status = 1;
3623                                 }
3624                         } else {
3625                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3626                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3627                                     "- retrying (%d) more times\n",
3628                                     vha->host_no, ha->isp_abort_cnt));
3629                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3630                                 status = 1;
3631                         }
3632                 }
3633
3634         }
3635
3636         if (!status) {
3637                 DEBUG(printk(KERN_INFO
3638                                 "qla2x00_abort_isp(%ld): succeeded.\n",
3639                                 vha->host_no));
3640                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3641                         if (vp->vp_idx)
3642                                 qla2x00_vp_abort_isp(vp);
3643                 }
3644         } else {
3645                 qla_printk(KERN_INFO, ha,
3646                         "qla2x00_abort_isp: **** FAILED ****\n");
3647         }
3648
3649         return(status);
3650 }
3651
3652 /*
3653 *  qla2x00_restart_isp
3654 *      restarts the ISP after a reset
3655 *
3656 * Input:
3657 *      ha = adapter block pointer.
3658 *
3659 * Returns:
3660 *      0 = success
3661 */
3662 static int
3663 qla2x00_restart_isp(scsi_qla_host_t *vha)
3664 {
3665         int status = 0;
3666         uint32_t wait_time;
3667         struct qla_hw_data *ha = vha->hw;
3668         struct req_que *req = ha->req_q_map[0];
3669         struct rsp_que *rsp = ha->rsp_q_map[0];
3670
3671         /* If firmware needs to be loaded */
3672         if (qla2x00_isp_firmware(vha)) {
3673                 vha->flags.online = 0;
3674                 status = ha->isp_ops->chip_diag(vha);
3675                 if (!status)
3676                         status = qla2x00_setup_chip(vha);
3677         }
3678
3679         if (!status && !(status = qla2x00_init_rings(vha))) {
3680                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3681                 ha->flags.chip_reset_done = 1;
3682                 /* Initialize the queues in use */
3683                 qla25xx_init_queues(ha);
3684
3685                 status = qla2x00_fw_ready(vha);
3686                 if (!status) {
3687                         DEBUG(printk("%s(): Start configure loop, "
3688                             "status = %d\n", __func__, status));
3689
3690                         /* Issue a marker after FW becomes ready. */
3691                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3692
3693                         vha->flags.online = 1;
3694                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3695                         wait_time = 256;
3696                         do {
3697                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3698                                 qla2x00_configure_loop(vha);
3699                                 wait_time--;
3700                         } while (!atomic_read(&vha->loop_down_timer) &&
3701                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3702                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3703                                 &vha->dpc_flags)));
3704                 }
3705
3706                 /* if no cable then assume it's good */
3707                 if ((vha->device_flags & DFLG_NO_CABLE))
3708                         status = 0;
3709
3710                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3711                                 __func__,
3712                                 status));
3713         }
3714         return (status);
3715 }
3716
3717 static int
3718 qla25xx_init_queues(struct qla_hw_data *ha)
3719 {
3720         struct rsp_que *rsp = NULL;
3721         struct req_que *req = NULL;
3722         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3723         int ret = -1;
3724         int i;
3725
3726         for (i = 1; i < ha->max_rsp_queues; i++) {
3727                 rsp = ha->rsp_q_map[i];
3728                 if (rsp) {
3729                         rsp->options &= ~BIT_0;
3730                         ret = qla25xx_init_rsp_que(base_vha, rsp);
3731                         if (ret != QLA_SUCCESS)
3732                                 DEBUG2_17(printk(KERN_WARNING
3733                                         "%s Rsp que:%d init failed\n", __func__,
3734                                                 rsp->id));
3735                         else
3736                                 DEBUG2_17(printk(KERN_INFO
3737                                         "%s Rsp que:%d inited\n", __func__,
3738                                                 rsp->id));
3739                 }
3740         }
3741         for (i = 1; i < ha->max_req_queues; i++) {
3742                 req = ha->req_q_map[i];
3743                 if (req) {
3744                 /* Clear outstanding commands array. */
3745                         req->options &= ~BIT_0;
3746                         ret = qla25xx_init_req_que(base_vha, req);
3747                         if (ret != QLA_SUCCESS)
3748                                 DEBUG2_17(printk(KERN_WARNING
3749                                         "%s Req que:%d init failed\n", __func__,
3750                                                 req->id));
3751                         else
3752                                 DEBUG2_17(printk(KERN_WARNING
3753                                         "%s Req que:%d inited\n", __func__,
3754                                                 req->id));
3755                 }
3756         }
3757         return ret;
3758 }
3759
3760 /*
3761 * qla2x00_reset_adapter
3762 *      Reset adapter.
3763 *
3764 * Input:
3765 *      ha = adapter block pointer.
3766 */
3767 void
3768 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3769 {
3770         unsigned long flags = 0;
3771         struct qla_hw_data *ha = vha->hw;
3772         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3773
3774         vha->flags.online = 0;
3775         ha->isp_ops->disable_intrs(ha);
3776
3777         spin_lock_irqsave(&ha->hardware_lock, flags);
3778         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3779         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3780         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3781         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3782         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3783 }
3784
3785 void
3786 qla24xx_reset_adapter(scsi_qla_host_t *vha)
3787 {
3788         unsigned long flags = 0;
3789         struct qla_hw_data *ha = vha->hw;
3790         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3791
3792         vha->flags.online = 0;
3793         ha->isp_ops->disable_intrs(ha);
3794
3795         spin_lock_irqsave(&ha->hardware_lock, flags);
3796         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3797         RD_REG_DWORD(&reg->hccr);
3798         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3799         RD_REG_DWORD(&reg->hccr);
3800         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3801
3802         if (IS_NOPOLLING_TYPE(ha))
3803                 ha->isp_ops->enable_intrs(ha);
3804 }
3805
3806 /* On sparc systems, obtain port and node WWN from firmware
3807  * properties.
3808  */
3809 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3810         struct nvram_24xx *nv)
3811 {
3812 #ifdef CONFIG_SPARC
3813         struct qla_hw_data *ha = vha->hw;
3814         struct pci_dev *pdev = ha->pdev;
3815         struct device_node *dp = pci_device_to_OF_node(pdev);
3816         const u8 *val;
3817         int len;
3818
3819         val = of_get_property(dp, "port-wwn", &len);
3820         if (val && len >= WWN_SIZE)
3821                 memcpy(nv->port_name, val, WWN_SIZE);
3822
3823         val = of_get_property(dp, "node-wwn", &len);
3824         if (val && len >= WWN_SIZE)
3825                 memcpy(nv->node_name, val, WWN_SIZE);
3826 #endif
3827 }
3828
3829 int
3830 qla24xx_nvram_config(scsi_qla_host_t *vha)
3831 {
3832         int   rval;
3833         struct init_cb_24xx *icb;
3834         struct nvram_24xx *nv;
3835         uint32_t *dptr;
3836         uint8_t  *dptr1, *dptr2;
3837         uint32_t chksum;
3838         uint16_t cnt;
3839         struct qla_hw_data *ha = vha->hw;
3840
3841         rval = QLA_SUCCESS;
3842         icb = (struct init_cb_24xx *)ha->init_cb;
3843         nv = ha->nvram;
3844
3845         /* Determine NVRAM starting address. */
3846         if (ha->flags.port0) {
3847                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3848                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3849         } else {
3850                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3851                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3852         }
3853         ha->nvram_size = sizeof(struct nvram_24xx);
3854         ha->vpd_size = FA_NVRAM_VPD_SIZE;
3855
3856         /* Get VPD data into cache */
3857         ha->vpd = ha->nvram + VPD_OFFSET;
3858         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3859             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3860
3861         /* Get NVRAM data into cache and calculate checksum. */
3862         dptr = (uint32_t *)nv;
3863         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3864             ha->nvram_size);
3865         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3866                 chksum += le32_to_cpu(*dptr++);
3867
3868         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3869         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3870
3871         /* Bad NVRAM data, set defaults parameters. */
3872         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3873             || nv->id[3] != ' ' ||
3874             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3875                 /* Reset NVRAM data. */
3876                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3877                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3878                     le16_to_cpu(nv->nvram_version));
3879                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3880                     "invalid -- WWPN) defaults.\n");
3881
3882                 /*
3883                  * Set default initialization control block.
3884                  */
3885                 memset(nv, 0, ha->nvram_size);
3886                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3887                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3888                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3889                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3890                 nv->exchange_count = __constant_cpu_to_le16(0);
3891                 nv->hard_address = __constant_cpu_to_le16(124);
3892                 nv->port_name[0] = 0x21;
3893                 nv->port_name[1] = 0x00 + ha->port_no;
3894                 nv->port_name[2] = 0x00;
3895                 nv->port_name[3] = 0xe0;
3896                 nv->port_name[4] = 0x8b;
3897                 nv->port_name[5] = 0x1c;
3898                 nv->port_name[6] = 0x55;
3899                 nv->port_name[7] = 0x86;
3900                 nv->node_name[0] = 0x20;
3901                 nv->node_name[1] = 0x00;
3902                 nv->node_name[2] = 0x00;
3903                 nv->node_name[3] = 0xe0;
3904                 nv->node_name[4] = 0x8b;
3905                 nv->node_name[5] = 0x1c;
3906                 nv->node_name[6] = 0x55;
3907                 nv->node_name[7] = 0x86;
3908                 qla24xx_nvram_wwn_from_ofw(vha, nv);
3909                 nv->login_retry_count = __constant_cpu_to_le16(8);
3910                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3911                 nv->login_timeout = __constant_cpu_to_le16(0);
3912                 nv->firmware_options_1 =
3913                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3914                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3915                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3916                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3917                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3918                 nv->efi_parameters = __constant_cpu_to_le32(0);
3919                 nv->reset_delay = 5;
3920                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3921                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3922                 nv->link_down_timeout = __constant_cpu_to_le16(30);
3923
3924                 rval = 1;
3925         }
3926
3927         /* Reset Initialization control block */
3928         memset(icb, 0, ha->init_cb_size);
3929
3930         /* Copy 1st segment. */
3931         dptr1 = (uint8_t *)icb;
3932         dptr2 = (uint8_t *)&nv->version;
3933         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3934         while (cnt--)
3935                 *dptr1++ = *dptr2++;
3936
3937         icb->login_retry_count = nv->login_retry_count;
3938         icb->link_down_on_nos = nv->link_down_on_nos;
3939
3940         /* Copy 2nd segment. */
3941         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3942         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3943         cnt = (uint8_t *)&icb->reserved_3 -
3944             (uint8_t *)&icb->interrupt_delay_timer;
3945         while (cnt--)
3946                 *dptr1++ = *dptr2++;
3947
3948         /*
3949          * Setup driver NVRAM options.
3950          */
3951         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
3952             "QLA2462");
3953
3954         /* Use alternate WWN? */
3955         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3956                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3957                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3958         }
3959
3960         /* Prepare nodename */
3961         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3962                 /*
3963                  * Firmware will apply the following mask if the nodename was
3964                  * not provided.
3965                  */
3966                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3967                 icb->node_name[0] &= 0xF0;
3968         }
3969
3970         /* Set host adapter parameters. */
3971         ha->flags.disable_risc_code_load = 0;
3972         ha->flags.enable_lip_reset = 0;
3973         ha->flags.enable_lip_full_login =
3974             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3975         ha->flags.enable_target_reset =
3976             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3977         ha->flags.enable_led_scheme = 0;
3978         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3979
3980         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3981             (BIT_6 | BIT_5 | BIT_4)) >> 4;
3982
3983         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3984             sizeof(ha->fw_seriallink_options24));
3985
3986         /* save HBA serial number */
3987         ha->serial0 = icb->port_name[5];
3988         ha->serial1 = icb->port_name[6];
3989         ha->serial2 = icb->port_name[7];
3990         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3991         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
3992
3993         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3994
3995         ha->retry_count = le16_to_cpu(nv->login_retry_count);
3996
3997         /* Set minimum login_timeout to 4 seconds. */
3998         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3999                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4000         if (le16_to_cpu(nv->login_timeout) < 4)
4001                 nv->login_timeout = __constant_cpu_to_le16(4);
4002         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4003         icb->login_timeout = nv->login_timeout;
4004
4005         /* Set minimum RATOV to 100 tenths of a second. */
4006         ha->r_a_tov = 100;
4007
4008         ha->loop_reset_delay = nv->reset_delay;
4009
4010         /* Link Down Timeout = 0:
4011          *
4012          *      When Port Down timer expires we will start returning
4013          *      I/O's to OS with "DID_NO_CONNECT".
4014          *
4015          * Link Down Timeout != 0:
4016          *
4017          *       The driver waits for the link to come up after link down
4018          *       before returning I/Os to OS with "DID_NO_CONNECT".
4019          */
4020         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4021                 ha->loop_down_abort_time =
4022                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4023         } else {
4024                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4025                 ha->loop_down_abort_time =
4026                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4027         }
4028
4029         /* Need enough time to try and get the port back. */
4030         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4031         if (qlport_down_retry)
4032                 ha->port_down_retry_count = qlport_down_retry;
4033
4034         /* Set login_retry_count */
4035         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4036         if (ha->port_down_retry_count ==
4037             le16_to_cpu(nv->port_down_retry_count) &&
4038             ha->port_down_retry_count > 3)
4039                 ha->login_retry_count = ha->port_down_retry_count;
4040         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4041                 ha->login_retry_count = ha->port_down_retry_count;
4042         if (ql2xloginretrycount)
4043                 ha->login_retry_count = ql2xloginretrycount;
4044
4045         /* Enable ZIO. */
4046         if (!vha->flags.init_done) {
4047                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4048                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4049                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4050                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4051         }
4052         icb->firmware_options_2 &= __constant_cpu_to_le32(
4053             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4054         vha->flags.process_response_queue = 0;
4055         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4056                 ha->zio_mode = QLA_ZIO_MODE_6;
4057
4058                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4059                     "(%d us).\n", vha->host_no, ha->zio_mode,
4060                     ha->zio_timer * 100));
4061                 qla_printk(KERN_INFO, ha,
4062                     "ZIO mode %d enabled; timer delay (%d us).\n",
4063                     ha->zio_mode, ha->zio_timer * 100);
4064
4065                 icb->firmware_options_2 |= cpu_to_le32(
4066                     (uint32_t)ha->zio_mode);
4067                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4068                 vha->flags.process_response_queue = 1;
4069         }
4070
4071         if (rval) {
4072                 DEBUG2_3(printk(KERN_WARNING
4073                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4074         }
4075         return (rval);
4076 }
4077
4078 static int
4079 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4080     uint32_t faddr)
4081 {
4082         int     rval = QLA_SUCCESS;
4083         int     segments, fragment;
4084         uint32_t *dcode, dlen;
4085         uint32_t risc_addr;
4086         uint32_t risc_size;
4087         uint32_t i;
4088         struct qla_hw_data *ha = vha->hw;
4089         struct req_que *req = ha->req_q_map[0];
4090
4091         qla_printk(KERN_INFO, ha,
4092             "FW: Loading from flash (%x)...\n", faddr);
4093
4094         rval = QLA_SUCCESS;
4095
4096         segments = FA_RISC_CODE_SEGMENTS;
4097         dcode = (uint32_t *)req->ring;
4098         *srisc_addr = 0;
4099
4100         /* Validate firmware image by checking version. */
4101         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4102         for (i = 0; i < 4; i++)
4103                 dcode[i] = be32_to_cpu(dcode[i]);
4104         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4105             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4106             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4107                 dcode[3] == 0)) {
4108                 qla_printk(KERN_WARNING, ha,
4109                     "Unable to verify integrity of flash firmware image!\n");
4110                 qla_printk(KERN_WARNING, ha,
4111                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4112                     dcode[1], dcode[2], dcode[3]);
4113
4114                 return QLA_FUNCTION_FAILED;
4115         }
4116
4117         while (segments && rval == QLA_SUCCESS) {
4118                 /* Read segment's load information. */
4119                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4120
4121                 risc_addr = be32_to_cpu(dcode[2]);
4122                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4123                 risc_size = be32_to_cpu(dcode[3]);
4124
4125                 fragment = 0;
4126                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4127                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4128                         if (dlen > risc_size)
4129                                 dlen = risc_size;
4130
4131                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4132                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4133                             vha->host_no, risc_addr, dlen, faddr));
4134
4135                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4136                         for (i = 0; i < dlen; i++)
4137                                 dcode[i] = swab32(dcode[i]);
4138
4139                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4140                             dlen);
4141                         if (rval) {
4142                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4143                                     "segment %d of firmware\n", vha->host_no,
4144                                     fragment));
4145                                 qla_printk(KERN_WARNING, ha,
4146                                     "[ERROR] Failed to load segment %d of "
4147                                     "firmware\n", fragment);
4148                                 break;
4149                         }
4150
4151                         faddr += dlen;
4152                         risc_addr += dlen;
4153                         risc_size -= dlen;
4154                         fragment++;
4155                 }
4156
4157                 /* Next segment. */
4158                 segments--;
4159         }
4160
4161         return rval;
4162 }
4163
4164 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4165
4166 int
4167 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4168 {
4169         int     rval;
4170         int     i, fragment;
4171         uint16_t *wcode, *fwcode;
4172         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4173         struct fw_blob *blob;
4174         struct qla_hw_data *ha = vha->hw;
4175         struct req_que *req = ha->req_q_map[0];
4176
4177         /* Load firmware blob. */
4178         blob = qla2x00_request_firmware(vha);
4179         if (!blob) {
4180                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4181                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4182                     "from: " QLA_FW_URL ".\n");
4183                 return QLA_FUNCTION_FAILED;
4184         }
4185
4186         rval = QLA_SUCCESS;
4187
4188         wcode = (uint16_t *)req->ring;
4189         *srisc_addr = 0;
4190         fwcode = (uint16_t *)blob->fw->data;
4191         fwclen = 0;
4192
4193         /* Validate firmware image by checking version. */
4194         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4195                 qla_printk(KERN_WARNING, ha,
4196                     "Unable to verify integrity of firmware image (%Zd)!\n",
4197                     blob->fw->size);
4198                 goto fail_fw_integrity;
4199         }
4200         for (i = 0; i < 4; i++)
4201                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4202         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4203             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4204                 wcode[2] == 0 && wcode[3] == 0)) {
4205                 qla_printk(KERN_WARNING, ha,
4206                     "Unable to verify integrity of firmware image!\n");
4207                 qla_printk(KERN_WARNING, ha,
4208                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4209                     wcode[1], wcode[2], wcode[3]);
4210                 goto fail_fw_integrity;
4211         }
4212
4213         seg = blob->segs;
4214         while (*seg && rval == QLA_SUCCESS) {
4215                 risc_addr = *seg;
4216                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4217                 risc_size = be16_to_cpu(fwcode[3]);
4218
4219                 /* Validate firmware image size. */
4220                 fwclen += risc_size * sizeof(uint16_t);
4221                 if (blob->fw->size < fwclen) {
4222                         qla_printk(KERN_WARNING, ha,
4223                             "Unable to verify integrity of firmware image "
4224                             "(%Zd)!\n", blob->fw->size);
4225                         goto fail_fw_integrity;
4226                 }
4227
4228                 fragment = 0;
4229                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4230                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4231                         if (wlen > risc_size)
4232                                 wlen = risc_size;
4233
4234                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4235                             "addr %x, number of words 0x%x.\n", vha->host_no,
4236                             risc_addr, wlen));
4237
4238                         for (i = 0; i < wlen; i++)
4239                                 wcode[i] = swab16(fwcode[i]);
4240
4241                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4242                             wlen);
4243                         if (rval) {
4244                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4245                                     "segment %d of firmware\n", vha->host_no,
4246                                     fragment));
4247                                 qla_printk(KERN_WARNING, ha,
4248                                     "[ERROR] Failed to load segment %d of "
4249                                     "firmware\n", fragment);
4250                                 break;
4251                         }
4252
4253                         fwcode += wlen;
4254                         risc_addr += wlen;
4255                         risc_size -= wlen;
4256                         fragment++;
4257                 }
4258
4259                 /* Next segment. */
4260                 seg++;
4261         }
4262         return rval;
4263
4264 fail_fw_integrity:
4265         return QLA_FUNCTION_FAILED;
4266 }
4267
4268 static int
4269 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4270 {
4271         int     rval;
4272         int     segments, fragment;
4273         uint32_t *dcode, dlen;
4274         uint32_t risc_addr;
4275         uint32_t risc_size;
4276         uint32_t i;
4277         struct fw_blob *blob;
4278         uint32_t *fwcode, fwclen;
4279         struct qla_hw_data *ha = vha->hw;
4280         struct req_que *req = ha->req_q_map[0];
4281
4282         /* Load firmware blob. */
4283         blob = qla2x00_request_firmware(vha);
4284         if (!blob) {
4285                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4286                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4287                     "from: " QLA_FW_URL ".\n");
4288
4289                 return QLA_FUNCTION_FAILED;
4290         }
4291
4292         qla_printk(KERN_INFO, ha,
4293             "FW: Loading via request-firmware...\n");
4294
4295         rval = QLA_SUCCESS;
4296
4297         segments = FA_RISC_CODE_SEGMENTS;
4298         dcode = (uint32_t *)req->ring;
4299         *srisc_addr = 0;
4300         fwcode = (uint32_t *)blob->fw->data;
4301         fwclen = 0;
4302
4303         /* Validate firmware image by checking version. */
4304         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4305                 qla_printk(KERN_WARNING, ha,
4306                     "Unable to verify integrity of firmware image (%Zd)!\n",
4307                     blob->fw->size);
4308                 goto fail_fw_integrity;
4309         }
4310         for (i = 0; i < 4; i++)
4311                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4312         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4313             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4314             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4315                 dcode[3] == 0)) {
4316                 qla_printk(KERN_WARNING, ha,
4317                     "Unable to verify integrity of firmware image!\n");
4318                 qla_printk(KERN_WARNING, ha,
4319                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4320                     dcode[1], dcode[2], dcode[3]);
4321                 goto fail_fw_integrity;
4322         }
4323
4324         while (segments && rval == QLA_SUCCESS) {
4325                 risc_addr = be32_to_cpu(fwcode[2]);
4326                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4327                 risc_size = be32_to_cpu(fwcode[3]);
4328
4329                 /* Validate firmware image size. */
4330                 fwclen += risc_size * sizeof(uint32_t);
4331                 if (blob->fw->size < fwclen) {
4332                         qla_printk(KERN_WARNING, ha,
4333                             "Unable to verify integrity of firmware image "
4334                             "(%Zd)!\n", blob->fw->size);
4335
4336                         goto fail_fw_integrity;
4337                 }
4338
4339                 fragment = 0;
4340                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4341                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4342                         if (dlen > risc_size)
4343                                 dlen = risc_size;
4344
4345                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4346                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4347                             risc_addr, dlen));
4348
4349                         for (i = 0; i < dlen; i++)
4350                                 dcode[i] = swab32(fwcode[i]);
4351
4352                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4353                             dlen);
4354                         if (rval) {
4355                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4356                                     "segment %d of firmware\n", vha->host_no,
4357                                     fragment));
4358                                 qla_printk(KERN_WARNING, ha,
4359                                     "[ERROR] Failed to load segment %d of "
4360                                     "firmware\n", fragment);
4361                                 break;
4362                         }
4363
4364                         fwcode += dlen;
4365                         risc_addr += dlen;
4366                         risc_size -= dlen;
4367                         fragment++;
4368                 }
4369
4370                 /* Next segment. */
4371                 segments--;
4372         }
4373         return rval;
4374
4375 fail_fw_integrity:
4376         return QLA_FUNCTION_FAILED;
4377 }
4378
4379 int
4380 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4381 {
4382         int rval;
4383
4384         if (ql2xfwloadbin == 1)
4385                 return qla81xx_load_risc(vha, srisc_addr);
4386
4387         /*
4388          * FW Load priority:
4389          * 1) Firmware via request-firmware interface (.bin file).
4390          * 2) Firmware residing in flash.
4391          */
4392         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4393         if (rval == QLA_SUCCESS)
4394                 return rval;
4395
4396         return qla24xx_load_risc_flash(vha, srisc_addr,
4397             vha->hw->flt_region_fw);
4398 }
4399
4400 int
4401 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4402 {
4403         int rval;
4404         struct qla_hw_data *ha = vha->hw;
4405
4406         if (ql2xfwloadbin == 2)
4407                 goto try_blob_fw;
4408
4409         /*
4410          * FW Load priority:
4411          * 1) Firmware residing in flash.
4412          * 2) Firmware via request-firmware interface (.bin file).
4413          * 3) Golden-Firmware residing in flash -- limited operation.
4414          */
4415         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4416         if (rval == QLA_SUCCESS)
4417                 return rval;
4418
4419 try_blob_fw:
4420         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4421         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4422                 return rval;
4423
4424         qla_printk(KERN_ERR, ha,
4425             "FW: Attempting to fallback to golden firmware...\n");
4426         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4427         if (rval != QLA_SUCCESS)
4428                 return rval;
4429
4430         qla_printk(KERN_ERR, ha,
4431             "FW: Please update operational firmware...\n");
4432         ha->flags.running_gold_fw = 1;
4433
4434         return rval;
4435 }
4436
4437 void
4438 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4439 {
4440         int ret, retries;
4441         struct qla_hw_data *ha = vha->hw;
4442
4443         if (!IS_FWI2_CAPABLE(ha))
4444                 return;
4445         if (!ha->fw_major_version)
4446                 return;
4447
4448         ret = qla2x00_stop_firmware(vha);
4449         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4450             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4451                 ha->isp_ops->reset_chip(vha);
4452                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4453                         continue;
4454                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4455                         continue;
4456                 qla_printk(KERN_INFO, ha,
4457                     "Attempting retry of stop-firmware command...\n");
4458                 ret = qla2x00_stop_firmware(vha);
4459         }
4460 }
4461
4462 int
4463 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4464 {
4465         int rval = QLA_SUCCESS;
4466         uint16_t mb[MAILBOX_REGISTER_COUNT];
4467         struct qla_hw_data *ha = vha->hw;
4468         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4469         struct req_que *req;
4470         struct rsp_que *rsp;
4471
4472         if (!vha->vp_idx)
4473                 return -EINVAL;
4474
4475         rval = qla2x00_fw_ready(base_vha);
4476         if (ha->flags.cpu_affinity_enabled)
4477                 req = ha->req_q_map[0];
4478         else
4479                 req = vha->req;
4480         rsp = req->rsp;
4481
4482         if (rval == QLA_SUCCESS) {
4483                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4484                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4485         }
4486
4487         vha->flags.management_server_logged_in = 0;
4488
4489         /* Login to SNS first */
4490         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4491         if (mb[0] != MBS_COMMAND_COMPLETE) {
4492                 DEBUG15(qla_printk(KERN_INFO, ha,
4493                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4494                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4495                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4496                 return (QLA_FUNCTION_FAILED);
4497         }
4498
4499         atomic_set(&vha->loop_down_timer, 0);
4500         atomic_set(&vha->loop_state, LOOP_UP);
4501         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4502         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4503         rval = qla2x00_loop_resync(base_vha);
4504
4505         return rval;
4506 }
4507
4508 /* 84XX Support **************************************************************/
4509
4510 static LIST_HEAD(qla_cs84xx_list);
4511 static DEFINE_MUTEX(qla_cs84xx_mutex);
4512
4513 static struct qla_chip_state_84xx *
4514 qla84xx_get_chip(struct scsi_qla_host *vha)
4515 {
4516         struct qla_chip_state_84xx *cs84xx;
4517         struct qla_hw_data *ha = vha->hw;
4518
4519         mutex_lock(&qla_cs84xx_mutex);
4520
4521         /* Find any shared 84xx chip. */
4522         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4523                 if (cs84xx->bus == ha->pdev->bus) {
4524                         kref_get(&cs84xx->kref);
4525                         goto done;
4526                 }
4527         }
4528
4529         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4530         if (!cs84xx)
4531                 goto done;
4532
4533         kref_init(&cs84xx->kref);
4534         spin_lock_init(&cs84xx->access_lock);
4535         mutex_init(&cs84xx->fw_update_mutex);
4536         cs84xx->bus = ha->pdev->bus;
4537
4538         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4539 done:
4540         mutex_unlock(&qla_cs84xx_mutex);
4541         return cs84xx;
4542 }
4543
4544 static void
4545 __qla84xx_chip_release(struct kref *kref)
4546 {
4547         struct qla_chip_state_84xx *cs84xx =
4548             container_of(kref, struct qla_chip_state_84xx, kref);
4549
4550         mutex_lock(&qla_cs84xx_mutex);
4551         list_del(&cs84xx->list);
4552         mutex_unlock(&qla_cs84xx_mutex);
4553         kfree(cs84xx);
4554 }
4555
4556 void
4557 qla84xx_put_chip(struct scsi_qla_host *vha)
4558 {
4559         struct qla_hw_data *ha = vha->hw;
4560         if (ha->cs84xx)
4561                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4562 }
4563
4564 static int
4565 qla84xx_init_chip(scsi_qla_host_t *vha)
4566 {
4567         int rval;
4568         uint16_t status[2];
4569         struct qla_hw_data *ha = vha->hw;
4570
4571         mutex_lock(&ha->cs84xx->fw_update_mutex);
4572
4573         rval = qla84xx_verify_chip(vha, status);
4574
4575         mutex_unlock(&ha->cs84xx->fw_update_mutex);
4576
4577         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4578             QLA_SUCCESS;
4579 }
4580
4581 /* 81XX Support **************************************************************/
4582
4583 int
4584 qla81xx_nvram_config(scsi_qla_host_t *vha)
4585 {
4586         int   rval;
4587         struct init_cb_81xx *icb;
4588         struct nvram_81xx *nv;
4589         uint32_t *dptr;
4590         uint8_t  *dptr1, *dptr2;
4591         uint32_t chksum;
4592         uint16_t cnt;
4593         struct qla_hw_data *ha = vha->hw;
4594
4595         rval = QLA_SUCCESS;
4596         icb = (struct init_cb_81xx *)ha->init_cb;
4597         nv = ha->nvram;
4598
4599         /* Determine NVRAM starting address. */
4600         ha->nvram_size = sizeof(struct nvram_81xx);
4601         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4602
4603         /* Get VPD data into cache */
4604         ha->vpd = ha->nvram + VPD_OFFSET;
4605         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4606             ha->vpd_size);
4607
4608         /* Get NVRAM data into cache and calculate checksum. */
4609         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
4610             ha->nvram_size);
4611         dptr = (uint32_t *)nv;
4612         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4613                 chksum += le32_to_cpu(*dptr++);
4614
4615         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4616         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4617
4618         /* Bad NVRAM data, set defaults parameters. */
4619         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4620             || nv->id[3] != ' ' ||
4621             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4622                 /* Reset NVRAM data. */
4623                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4624                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4625                     le16_to_cpu(nv->nvram_version));
4626                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4627                     "invalid -- WWPN) defaults.\n");
4628
4629                 /*
4630                  * Set default initialization control block.
4631                  */
4632                 memset(nv, 0, ha->nvram_size);
4633                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4634                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4635                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4636                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4637                 nv->exchange_count = __constant_cpu_to_le16(0);
4638                 nv->port_name[0] = 0x21;
4639                 nv->port_name[1] = 0x00 + ha->port_no;
4640                 nv->port_name[2] = 0x00;
4641                 nv->port_name[3] = 0xe0;
4642                 nv->port_name[4] = 0x8b;
4643                 nv->port_name[5] = 0x1c;
4644                 nv->port_name[6] = 0x55;
4645                 nv->port_name[7] = 0x86;
4646                 nv->node_name[0] = 0x20;
4647                 nv->node_name[1] = 0x00;
4648                 nv->node_name[2] = 0x00;
4649                 nv->node_name[3] = 0xe0;
4650                 nv->node_name[4] = 0x8b;
4651                 nv->node_name[5] = 0x1c;
4652                 nv->node_name[6] = 0x55;
4653                 nv->node_name[7] = 0x86;
4654                 nv->login_retry_count = __constant_cpu_to_le16(8);
4655                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4656                 nv->login_timeout = __constant_cpu_to_le16(0);
4657                 nv->firmware_options_1 =
4658                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4659                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4660                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4661                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4662                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4663                 nv->efi_parameters = __constant_cpu_to_le32(0);
4664                 nv->reset_delay = 5;
4665                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4666                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4667                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4668                 nv->enode_mac[0] = 0x00;
4669                 nv->enode_mac[1] = 0x02;
4670                 nv->enode_mac[2] = 0x03;
4671                 nv->enode_mac[3] = 0x04;
4672                 nv->enode_mac[4] = 0x05;
4673                 nv->enode_mac[5] = 0x06 + ha->port_no;
4674
4675                 rval = 1;
4676         }
4677
4678         /* Reset Initialization control block */
4679         memset(icb, 0, sizeof(struct init_cb_81xx));
4680
4681         /* Copy 1st segment. */
4682         dptr1 = (uint8_t *)icb;
4683         dptr2 = (uint8_t *)&nv->version;
4684         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4685         while (cnt--)
4686                 *dptr1++ = *dptr2++;
4687
4688         icb->login_retry_count = nv->login_retry_count;
4689
4690         /* Copy 2nd segment. */
4691         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4692         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4693         cnt = (uint8_t *)&icb->reserved_5 -
4694             (uint8_t *)&icb->interrupt_delay_timer;
4695         while (cnt--)
4696                 *dptr1++ = *dptr2++;
4697
4698         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4699         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4700         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4701                 icb->enode_mac[0] = 0x01;
4702                 icb->enode_mac[1] = 0x02;
4703                 icb->enode_mac[2] = 0x03;
4704                 icb->enode_mac[3] = 0x04;
4705                 icb->enode_mac[4] = 0x05;
4706                 icb->enode_mac[5] = 0x06 + ha->port_no;
4707         }
4708
4709         /* Use extended-initialization control block. */
4710         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4711
4712         /*
4713          * Setup driver NVRAM options.
4714          */
4715         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4716             "QLE81XX");
4717
4718         /* Use alternate WWN? */
4719         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4720                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4721                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4722         }
4723
4724         /* Prepare nodename */
4725         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4726                 /*
4727                  * Firmware will apply the following mask if the nodename was
4728                  * not provided.
4729                  */
4730                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4731                 icb->node_name[0] &= 0xF0;
4732         }
4733
4734         /* Set host adapter parameters. */
4735         ha->flags.disable_risc_code_load = 0;
4736         ha->flags.enable_lip_reset = 0;
4737         ha->flags.enable_lip_full_login =
4738             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4739         ha->flags.enable_target_reset =
4740             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4741         ha->flags.enable_led_scheme = 0;
4742         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4743
4744         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4745             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4746
4747         /* save HBA serial number */
4748         ha->serial0 = icb->port_name[5];
4749         ha->serial1 = icb->port_name[6];
4750         ha->serial2 = icb->port_name[7];
4751         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4752         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4753
4754         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4755
4756         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4757
4758         /* Set minimum login_timeout to 4 seconds. */
4759         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4760                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4761         if (le16_to_cpu(nv->login_timeout) < 4)
4762                 nv->login_timeout = __constant_cpu_to_le16(4);
4763         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4764         icb->login_timeout = nv->login_timeout;
4765
4766         /* Set minimum RATOV to 100 tenths of a second. */
4767         ha->r_a_tov = 100;
4768
4769         ha->loop_reset_delay = nv->reset_delay;
4770
4771         /* Link Down Timeout = 0:
4772          *
4773          *      When Port Down timer expires we will start returning
4774          *      I/O's to OS with "DID_NO_CONNECT".
4775          *
4776          * Link Down Timeout != 0:
4777          *
4778          *       The driver waits for the link to come up after link down
4779          *       before returning I/Os to OS with "DID_NO_CONNECT".
4780          */
4781         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4782                 ha->loop_down_abort_time =
4783                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4784         } else {
4785                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4786                 ha->loop_down_abort_time =
4787                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4788         }
4789
4790         /* Need enough time to try and get the port back. */
4791         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4792         if (qlport_down_retry)
4793                 ha->port_down_retry_count = qlport_down_retry;
4794
4795         /* Set login_retry_count */
4796         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4797         if (ha->port_down_retry_count ==
4798             le16_to_cpu(nv->port_down_retry_count) &&
4799             ha->port_down_retry_count > 3)
4800                 ha->login_retry_count = ha->port_down_retry_count;
4801         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4802                 ha->login_retry_count = ha->port_down_retry_count;
4803         if (ql2xloginretrycount)
4804                 ha->login_retry_count = ql2xloginretrycount;
4805
4806         /* Enable ZIO. */
4807         if (!vha->flags.init_done) {
4808                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4809                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4810                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4811                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4812         }
4813         icb->firmware_options_2 &= __constant_cpu_to_le32(
4814             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4815         vha->flags.process_response_queue = 0;
4816         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4817                 ha->zio_mode = QLA_ZIO_MODE_6;
4818
4819                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4820                     "(%d us).\n", vha->host_no, ha->zio_mode,
4821                     ha->zio_timer * 100));
4822                 qla_printk(KERN_INFO, ha,
4823                     "ZIO mode %d enabled; timer delay (%d us).\n",
4824                     ha->zio_mode, ha->zio_timer * 100);
4825
4826                 icb->firmware_options_2 |= cpu_to_le32(
4827                     (uint32_t)ha->zio_mode);
4828                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4829                 vha->flags.process_response_queue = 1;
4830         }
4831
4832         if (rval) {
4833                 DEBUG2_3(printk(KERN_WARNING
4834                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4835         }
4836         return (rval);
4837 }
4838
4839 void
4840 qla81xx_update_fw_options(scsi_qla_host_t *ha)
4841 {
4842 }