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_FCP2_DEVICE)
 209                         opts |= BIT_1;
 210                 rval = qla2x00_get_port_database(vha, fcport, opts);
 211                 if (rval != QLA_SUCCESS)
 212                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 213                 else
 214                         qla2x00_update_fcport(vha, fcport);
 215                 break;
 216         case MBS_COMMAND_ERROR:
 217                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 218                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 219                 else
 220                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 221                 break;
 222         case MBS_PORT_ID_USED:
 223                 fcport->loop_id = data[1];
 224                 qla2x00_post_async_login_work(vha, fcport, NULL);
 225                 break;
 226         case MBS_LOOP_ID_USED:
 227                 fcport->loop_id++;
 228                 rval = qla2x00_find_new_loop_id(vha, fcport);
 229                 if (rval != QLA_SUCCESS) {
 230                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 231                         break;
 232                 }
 233                 qla2x00_post_async_login_work(vha, fcport, NULL);
 234                 break;
 235         }
 236         return QLA_SUCCESS;
 237 }
 238
 239 int
 240 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 241     uint16_t *data)
 242 {
 243         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 244         return QLA_SUCCESS;
 245 }
 246
 247 /****************************************************************************/
 248 /*                QLogic ISP2x00 Hardware Support Functions.                */
 249 /****************************************************************************/
 250
 251 /*
 252 * qla2x00_initialize_adapter
 253 *      Initialize board.
 254 *
 255 * Input:
 256 *      ha = adapter block pointer.
 257 *
 258 * Returns:
 259 *      0 = success
 260 */
 261 int
 262 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 263 {
 264         int     rval;
 265         struct qla_hw_data *ha = vha->hw;
 266         struct req_que *req = ha->req_q_map[0];
 267
 268         /* Clear adapter flags. */
 269         vha->flags.online = 0;
 270         ha->flags.chip_reset_done = 0;
 271         vha->flags.reset_active = 0;
 272         ha->flags.pci_channel_io_perm_failure = 0;
 273         ha->flags.eeh_busy = 0;
 274         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 275         atomic_set(&vha->loop_state, LOOP_DOWN);
 276         vha->device_flags = DFLG_NO_CABLE;
 277         vha->dpc_flags = 0;
 278         vha->flags.management_server_logged_in = 0;
 279         vha->marker_needed = 0;
 280         ha->isp_abort_cnt = 0;
 281         ha->beacon_blink_led = 0;
 282
 283         set_bit(0, ha->req_qid_map);
 284         set_bit(0, ha->rsp_qid_map);
 285
 286         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
 287         rval = ha->isp_ops->pci_config(vha);
 288         if (rval) {
 289                 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
 290                     vha->host_no));
 291                 return (rval);
 292         }
 293
 294         ha->isp_ops->reset_chip(vha);
 295
 296         rval = qla2xxx_get_flash_info(vha);
 297         if (rval) {
 298                 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
 299                     vha->host_no));
 300                 return (rval);
 301         }
 302
 303         ha->isp_ops->get_flash_version(vha, req->ring);
 304
 305         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 306
 307         ha->isp_ops->nvram_config(vha);
 308
 309         if (ha->flags.disable_serdes) {
 310                 /* Mask HBA via NVRAM settings? */
 311                 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
 312                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 313                     vha->port_name[0], vha->port_name[1],
 314                     vha->port_name[2], vha->port_name[3],
 315                     vha->port_name[4], vha->port_name[5],
 316                     vha->port_name[6], vha->port_name[7]);
 317                 return QLA_FUNCTION_FAILED;
 318         }
 319
 320         qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
 321
 322         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 323                 rval = ha->isp_ops->chip_diag(vha);
 324                 if (rval)
 325                         return (rval);
 326                 rval = qla2x00_setup_chip(vha);
 327                 if (rval)
 328                         return (rval);
 329         }
 330         if (IS_QLA84XX(ha)) {
 331                 ha->cs84xx = qla84xx_get_chip(vha);
 332                 if (!ha->cs84xx) {
 333                         qla_printk(KERN_ERR, ha,
 334                             "Unable to configure ISP84XX.\n");
 335                         return QLA_FUNCTION_FAILED;
 336                 }
 337         }
 338         rval = qla2x00_init_rings(vha);
 339         ha->flags.chip_reset_done = 1;
 340
 341         return (rval);
 342 }
 343
 344 /**
 345  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 346  * @ha: HA context
 347  *
 348  * Returns 0 on success.
 349  */
 350 int
 351 qla2100_pci_config(scsi_qla_host_t *vha)
 352 {
 353         uint16_t w;
 354         unsigned long flags;
 355         struct qla_hw_data *ha = vha->hw;
 356         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 357
 358         pci_set_master(ha->pdev);
 359         pci_try_set_mwi(ha->pdev);
 360
 361         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 362         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 363         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 364
 365         pci_disable_rom(ha->pdev);
 366
 367         /* Get PCI bus information. */
 368         spin_lock_irqsave(&ha->hardware_lock, flags);
 369         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 370         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 371
 372         return QLA_SUCCESS;
 373 }
 374
 375 /**
 376  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 377  * @ha: HA context
 378  *
 379  * Returns 0 on success.
 380  */
 381 int
 382 qla2300_pci_config(scsi_qla_host_t *vha)
 383 {
 384         uint16_t        w;
 385         unsigned long   flags = 0;
 386         uint32_t        cnt;
 387         struct qla_hw_data *ha = vha->hw;
 388         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 389
 390         pci_set_master(ha->pdev);
 391         pci_try_set_mwi(ha->pdev);
 392
 393         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 394         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 395
 396         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 397                 w &= ~PCI_COMMAND_INTX_DISABLE;
 398         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 399
 400         /*
 401          * If this is a 2300 card and not 2312, reset the
 402          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 403          * the 2310 also reports itself as a 2300 so we need to get the
 404          * fb revision level -- a 6 indicates it really is a 2300 and
 405          * not a 2310.
 406          */
 407         if (IS_QLA2300(ha)) {
 408                 spin_lock_irqsave(&ha->hardware_lock, flags);
 409
 410                 /* Pause RISC. */
 411                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 412                 for (cnt = 0; cnt < 30000; cnt++) {
 413                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 414                                 break;
 415
 416                         udelay(10);
 417                 }
 418
 419                 /* Select FPM registers. */
 420                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 421                 RD_REG_WORD(&reg->ctrl_status);
 422
 423                 /* Get the fb rev level */
 424                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 425
 426                 if (ha->fb_rev == FPM_2300)
 427                         pci_clear_mwi(ha->pdev);
 428
 429                 /* Deselect FPM registers. */
 430                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 431                 RD_REG_WORD(&reg->ctrl_status);
 432
 433                 /* Release RISC module. */
 434                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 435                 for (cnt = 0; cnt < 30000; cnt++) {
 436                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 437                                 break;
 438
 439                         udelay(10);
 440                 }
 441
 442                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 443         }
 444
 445         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 446
 447         pci_disable_rom(ha->pdev);
 448
 449         /* Get PCI bus information. */
 450         spin_lock_irqsave(&ha->hardware_lock, flags);
 451         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 452         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 453
 454         return QLA_SUCCESS;
 455 }
 456
 457 /**
 458  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 459  * @ha: HA context
 460  *
 461  * Returns 0 on success.
 462  */
 463 int
 464 qla24xx_pci_config(scsi_qla_host_t *vha)
 465 {
 466         uint16_t w;
 467         unsigned long flags = 0;
 468         struct qla_hw_data *ha = vha->hw;
 469         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 470
 471         pci_set_master(ha->pdev);
 472         pci_try_set_mwi(ha->pdev);
 473
 474         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 475         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 476         w &= ~PCI_COMMAND_INTX_DISABLE;
 477         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 478
 479         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 480
 481         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 482         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 483                 pcix_set_mmrbc(ha->pdev, 2048);
 484
 485         /* PCIe -- adjust Maximum Read Request Size (2048). */
 486         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 487                 pcie_set_readrq(ha->pdev, 2048);
 488
 489         pci_disable_rom(ha->pdev);
 490
 491         ha->chip_revision = ha->pdev->revision;
 492
 493         /* Get PCI bus information. */
 494         spin_lock_irqsave(&ha->hardware_lock, flags);
 495         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 496         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 497
 498         return QLA_SUCCESS;
 499 }
 500
 501 /**
 502  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 503  * @ha: HA context
 504  *
 505  * Returns 0 on success.
 506  */
 507 int
 508 qla25xx_pci_config(scsi_qla_host_t *vha)
 509 {
 510         uint16_t w;
 511         struct qla_hw_data *ha = vha->hw;
 512
 513         pci_set_master(ha->pdev);
 514         pci_try_set_mwi(ha->pdev);
 515
 516         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 517         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 518         w &= ~PCI_COMMAND_INTX_DISABLE;
 519         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 520
 521         /* PCIe -- adjust Maximum Read Request Size (2048). */
 522         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 523                 pcie_set_readrq(ha->pdev, 2048);
 524
 525         pci_disable_rom(ha->pdev);
 526
 527         ha->chip_revision = ha->pdev->revision;
 528
 529         return QLA_SUCCESS;
 530 }
 531
 532 /**
 533  * qla2x00_isp_firmware() - Choose firmware image.
 534  * @ha: HA context
 535  *
 536  * Returns 0 on success.
 537  */
 538 static int
 539 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 540 {
 541         int  rval;
 542         uint16_t loop_id, topo, sw_cap;
 543         uint8_t domain, area, al_pa;
 544         struct qla_hw_data *ha = vha->hw;
 545
 546         /* Assume loading risc code */
 547         rval = QLA_FUNCTION_FAILED;
 548
 549         if (ha->flags.disable_risc_code_load) {
 550                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 551                     vha->host_no));
 552                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 553
 554                 /* Verify checksum of loaded RISC code. */
 555                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 556                 if (rval == QLA_SUCCESS) {
 557                         /* And, verify we are not in ROM code. */
 558                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 559                             &area, &domain, &topo, &sw_cap);
 560                 }
 561         }
 562
 563         if (rval) {
 564                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 565                     vha->host_no));
 566         }
 567
 568         return (rval);
 569 }
 570
 571 /**
 572  * qla2x00_reset_chip() - Reset ISP chip.
 573  * @ha: HA context
 574  *
 575  * Returns 0 on success.
 576  */
 577 void
 578 qla2x00_reset_chip(scsi_qla_host_t *vha)
 579 {
 580         unsigned long   flags = 0;
 581         struct qla_hw_data *ha = vha->hw;
 582         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 583         uint32_t        cnt;
 584         uint16_t        cmd;
 585
 586         if (unlikely(pci_channel_offline(ha->pdev)))
 587                 return;
 588
 589         ha->isp_ops->disable_intrs(ha);
 590
 591         spin_lock_irqsave(&ha->hardware_lock, flags);
 592
 593         /* Turn off master enable */
 594         cmd = 0;
 595         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 596         cmd &= ~PCI_COMMAND_MASTER;
 597         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 598
 599         if (!IS_QLA2100(ha)) {
 600                 /* Pause RISC. */
 601                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 602                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 603                         for (cnt = 0; cnt < 30000; cnt++) {
 604                                 if ((RD_REG_WORD(&reg->hccr) &
 605                                     HCCR_RISC_PAUSE) != 0)
 606                                         break;
 607                                 udelay(100);
 608                         }
 609                 } else {
 610                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 611                         udelay(10);
 612                 }
 613
 614                 /* Select FPM registers. */
 615                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 616                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 617
 618                 /* FPM Soft Reset. */
 619                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 620                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 621
 622                 /* Toggle Fpm Reset. */
 623                 if (!IS_QLA2200(ha)) {
 624                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 625                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 626                 }
 627
 628                 /* Select frame buffer registers. */
 629                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 630                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 631
 632                 /* Reset frame buffer FIFOs. */
 633                 if (IS_QLA2200(ha)) {
 634                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 635                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 636                 } else {
 637                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 638
 639                         /* Read back fb_cmd until zero or 3 seconds max */
 640                         for (cnt = 0; cnt < 3000; cnt++) {
 641                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 642                                         break;
 643                                 udelay(100);
 644                         }
 645                 }
 646
 647                 /* Select RISC module registers. */
 648                 WRT_REG_WORD(&reg->ctrl_status, 0);
 649                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 650
 651                 /* Reset RISC processor. */
 652                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 653                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 654
 655                 /* Release RISC processor. */
 656                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 657                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 658         }
 659
 660         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 661         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 662
 663         /* Reset ISP chip. */
 664         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 665
 666         /* Wait for RISC to recover from reset. */
 667         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 668                 /*
 669                  * It is necessary to for a delay here since the card doesn't
 670                  * respond to PCI reads during a reset. On some architectures
 671                  * this will result in an MCA.
 672                  */
 673                 udelay(20);
 674                 for (cnt = 30000; cnt; cnt--) {
 675                         if ((RD_REG_WORD(&reg->ctrl_status) &
 676                             CSR_ISP_SOFT_RESET) == 0)
 677                                 break;
 678                         udelay(100);
 679                 }
 680         } else
 681                 udelay(10);
 682
 683         /* Reset RISC processor. */
 684         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 685
 686         WRT_REG_WORD(&reg->semaphore, 0);
 687
 688         /* Release RISC processor. */
 689         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 690         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 691
 692         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 693                 for (cnt = 0; cnt < 30000; cnt++) {
 694                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 695                                 break;
 696
 697                         udelay(100);
 698                 }
 699         } else
 700                 udelay(100);
 701
 702         /* Turn on master enable */
 703         cmd |= PCI_COMMAND_MASTER;
 704         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 705
 706         /* Disable RISC pause on FPM parity error. */
 707         if (!IS_QLA2100(ha)) {
 708                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 709                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 710         }
 711
 712         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 713 }
 714
 715 /**
 716  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 717  * @ha: HA context
 718  *
 719  * Returns 0 on success.
 720  */
 721 static inline void
 722 qla24xx_reset_risc(scsi_qla_host_t *vha)
 723 {
 724         unsigned long flags = 0;
 725         struct qla_hw_data *ha = vha->hw;
 726         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 727         uint32_t cnt, d2;
 728         uint16_t wd;
 729
 730         spin_lock_irqsave(&ha->hardware_lock, flags);
 731
 732         /* Reset RISC. */
 733         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 734         for (cnt = 0; cnt < 30000; cnt++) {
 735                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
 736                         break;
 737
 738                 udelay(10);
 739         }
 740
 741         WRT_REG_DWORD(&reg->ctrl_status,
 742             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 743         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
 744
 745         udelay(100);
 746         /* Wait for firmware to complete NVRAM accesses. */
 747         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 748         for (cnt = 10000 ; cnt && d2; cnt--) {
 749                 udelay(5);
 750                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 751                 barrier();
 752         }
 753
 754         /* Wait for soft-reset to complete. */
 755         d2 = RD_REG_DWORD(&reg->ctrl_status);
 756         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
 757                 udelay(5);
 758                 d2 = RD_REG_DWORD(&reg->ctrl_status);
 759                 barrier();
 760         }
 761
 762         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
 763         RD_REG_DWORD(&reg->hccr);
 764
 765         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
 766         RD_REG_DWORD(&reg->hccr);
 767
 768         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
 769         RD_REG_DWORD(&reg->hccr);
 770
 771         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 772         for (cnt = 6000000 ; cnt && d2; cnt--) {
 773                 udelay(5);
 774                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 775                 barrier();
 776         }
 777
 778         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 779
 780         if (IS_NOPOLLING_TYPE(ha))
 781                 ha->isp_ops->enable_intrs(ha);
 782 }
 783
 784 /**
 785  * qla24xx_reset_chip() - Reset ISP24xx chip.
 786  * @ha: HA context
 787  *
 788  * Returns 0 on success.
 789  */
 790 void
 791 qla24xx_reset_chip(scsi_qla_host_t *vha)
 792 {
 793         struct qla_hw_data *ha = vha->hw;
 794
 795         if (pci_channel_offline(ha->pdev) &&
 796             ha->flags.pci_channel_io_perm_failure) {
 797                 return;
 798         }
 799
 800         ha->isp_ops->disable_intrs(ha);
 801
 802         /* Perform RISC reset. */
 803         qla24xx_reset_risc(vha);
 804 }
 805
 806 /**
 807  * qla2x00_chip_diag() - Test chip for proper operation.
 808  * @ha: HA context
 809  *
 810  * Returns 0 on success.
 811  */
 812 int
 813 qla2x00_chip_diag(scsi_qla_host_t *vha)
 814 {
 815         int             rval;
 816         struct qla_hw_data *ha = vha->hw;
 817         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 818         unsigned long   flags = 0;
 819         uint16_t        data;
 820         uint32_t        cnt;
 821         uint16_t        mb[5];
 822         struct req_que *req = ha->req_q_map[0];
 823
 824         /* Assume a failed state */
 825         rval = QLA_FUNCTION_FAILED;
 826
 827         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
 828             vha->host_no, (u_long)&reg->flash_address));
 829
 830         spin_lock_irqsave(&ha->hardware_lock, flags);
 831
 832         /* Reset ISP chip. */
 833         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 834
 835         /*
 836          * We need to have a delay here since the card will not respond while
 837          * in reset causing an MCA on some architectures.
 838          */
 839         udelay(20);
 840         data = qla2x00_debounce_register(&reg->ctrl_status);
 841         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
 842                 udelay(5);
 843                 data = RD_REG_WORD(&reg->ctrl_status);
 844                 barrier();
 845         }
 846
 847         if (!cnt)
 848                 goto chip_diag_failed;
 849
 850         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
 851             vha->host_no));
 852
 853         /* Reset RISC processor. */
 854         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 855         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 856
 857         /* Workaround for QLA2312 PCI parity error */
 858         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 859                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
 860                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
 861                         udelay(5);
 862                         data = RD_MAILBOX_REG(ha, reg, 0);
 863                         barrier();
 864                 }
 865         } else
 866                 udelay(10);
 867
 868         if (!cnt)
 869                 goto chip_diag_failed;
 870
 871         /* Check product ID of chip */
 872         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
 873
 874         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
 875         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
 876         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
 877         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
 878         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
 879             mb[3] != PROD_ID_3) {
 880                 qla_printk(KERN_WARNING, ha,
 881                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
 882
 883                 goto chip_diag_failed;
 884         }
 885         ha->product_id[0] = mb[1];
 886         ha->product_id[1] = mb[2];
 887         ha->product_id[2] = mb[3];
 888         ha->product_id[3] = mb[4];
 889
 890         /* Adjust fw RISC transfer size */
 891         if (req->length > 1024)
 892                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
 893         else
 894                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
 895                     req->length;
 896
 897         if (IS_QLA2200(ha) &&
 898             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
 899                 /* Limit firmware transfer size with a 2200A */
 900                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
 901                     vha->host_no));
 902
 903                 ha->device_type |= DT_ISP2200A;
 904                 ha->fw_transfer_size = 128;
 905         }
 906
 907         /* Wrap Incoming Mailboxes Test. */
 908         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 909
 910         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
 911         rval = qla2x00_mbx_reg_test(vha);
 912         if (rval) {
 913                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 914                     vha->host_no));
 915                 qla_printk(KERN_WARNING, ha,
 916                     "Failed mailbox send register test\n");
 917         }
 918         else {
 919                 /* Flag a successful rval */
 920                 rval = QLA_SUCCESS;
 921         }
 922         spin_lock_irqsave(&ha->hardware_lock, flags);
 923
 924 chip_diag_failed:
 925         if (rval)
 926                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
 927                     "****\n", vha->host_no));
 928
 929         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 930
 931         return (rval);
 932 }
 933
 934 /**
 935  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
 936  * @ha: HA context
 937  *
 938  * Returns 0 on success.
 939  */
 940 int
 941 qla24xx_chip_diag(scsi_qla_host_t *vha)
 942 {
 943         int rval;
 944         struct qla_hw_data *ha = vha->hw;
 945         struct req_que *req = ha->req_q_map[0];
 946
 947         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 948
 949         rval = qla2x00_mbx_reg_test(vha);
 950         if (rval) {
 951                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 952                     vha->host_no));
 953                 qla_printk(KERN_WARNING, ha,
 954                     "Failed mailbox send register test\n");
 955         } else {
 956                 /* Flag a successful rval */
 957                 rval = QLA_SUCCESS;
 958         }
 959
 960         return rval;
 961 }
 962
 963 void
 964 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
 965 {
 966         int rval;
 967         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
 968             eft_size, fce_size, mq_size;
 969         dma_addr_t tc_dma;
 970         void *tc;
 971         struct qla_hw_data *ha = vha->hw;
 972         struct req_que *req = ha->req_q_map[0];
 973         struct rsp_que *rsp = ha->rsp_q_map[0];
 974
 975         if (ha->fw_dump) {
 976                 qla_printk(KERN_WARNING, ha,
 977                     "Firmware dump previously allocated.\n");
 978                 return;
 979         }
 980
 981         ha->fw_dumped = 0;
 982         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
 983         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 984                 fixed_size = sizeof(struct qla2100_fw_dump);
 985         } else if (IS_QLA23XX(ha)) {
 986                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
 987                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
 988                     sizeof(uint16_t);
 989         } else if (IS_FWI2_CAPABLE(ha)) {
 990                 if (IS_QLA81XX(ha))
 991                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
 992                 else if (IS_QLA25XX(ha))
 993                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
 994                 else
 995                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
 996                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
 997                     sizeof(uint32_t);
 998                 if (ha->mqenable)
 999                         mq_size = sizeof(struct qla2xxx_mq_chain);
1000                 /* Allocate memory for Fibre Channel Event Buffer. */
1001                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
1002                         goto try_eft;
1003
1004                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1005                     GFP_KERNEL);
1006                 if (!tc) {
1007                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1008                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
1009                         goto try_eft;
1010                 }
1011
1012                 memset(tc, 0, FCE_SIZE);
1013                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1014                     ha->fce_mb, &ha->fce_bufs);
1015                 if (rval) {
1016                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1017                             "FCE (%d).\n", rval);
1018                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1019                             tc_dma);
1020                         ha->flags.fce_enabled = 0;
1021                         goto try_eft;
1022                 }
1023
1024                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1025                     FCE_SIZE / 1024);
1026
1027                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1028                 ha->flags.fce_enabled = 1;
1029                 ha->fce_dma = tc_dma;
1030                 ha->fce = tc;
1031 try_eft:
1032                 /* Allocate memory for Extended Trace Buffer. */
1033                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1034                     GFP_KERNEL);
1035                 if (!tc) {
1036                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
1037                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1038                         goto cont_alloc;
1039                 }
1040
1041                 memset(tc, 0, EFT_SIZE);
1042                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1043                 if (rval) {
1044                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
1045                             "EFT (%d).\n", rval);
1046                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1047                             tc_dma);
1048                         goto cont_alloc;
1049                 }
1050
1051                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1052                     EFT_SIZE / 1024);
1053
1054                 eft_size = EFT_SIZE;
1055                 ha->eft_dma = tc_dma;
1056                 ha->eft = tc;
1057         }
1058 cont_alloc:
1059         req_q_size = req->length * sizeof(request_t);
1060         rsp_q_size = rsp->length * sizeof(response_t);
1061
1062         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1063         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1064         ha->chain_offset = dump_size;
1065         dump_size += mq_size + fce_size;
1066
1067         ha->fw_dump = vmalloc(dump_size);
1068         if (!ha->fw_dump) {
1069                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
1070                     "firmware dump!!!\n", dump_size / 1024);
1071
1072                 if (ha->eft) {
1073                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1074                             ha->eft_dma);
1075                         ha->eft = NULL;
1076                         ha->eft_dma = 0;
1077                 }
1078                 return;
1079         }
1080         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1081             dump_size / 1024);
1082
1083         ha->fw_dump_len = dump_size;
1084         ha->fw_dump->signature[0] = 'Q';
1085         ha->fw_dump->signature[1] = 'L';
1086         ha->fw_dump->signature[2] = 'G';
1087         ha->fw_dump->signature[3] = 'C';
1088         ha->fw_dump->version = __constant_htonl(1);
1089
1090         ha->fw_dump->fixed_size = htonl(fixed_size);
1091         ha->fw_dump->mem_size = htonl(mem_size);
1092         ha->fw_dump->req_q_size = htonl(req_q_size);
1093         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1094
1095         ha->fw_dump->eft_size = htonl(eft_size);
1096         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1097         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1098
1099         ha->fw_dump->header_size =
1100             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1101 }
1102
1103 static int
1104 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1105 {
1106 #define MPS_MASK        0xe0
1107         int rval;
1108         uint16_t dc;
1109         uint32_t dw;
1110         struct qla_hw_data *ha = vha->hw;
1111
1112         if (!IS_QLA81XX(vha->hw))
1113                 return QLA_SUCCESS;
1114
1115         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1116         if (rval != QLA_SUCCESS) {
1117                 DEBUG2(qla_printk(KERN_WARNING, ha,
1118                     "Sync-MPI: Unable to acquire semaphore.\n"));
1119                 goto done;
1120         }
1121
1122         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1123         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1124         if (rval != QLA_SUCCESS) {
1125                 DEBUG2(qla_printk(KERN_WARNING, ha,
1126                     "Sync-MPI: Unable to read sync.\n"));
1127                 goto done_release;
1128         }
1129
1130         dc &= MPS_MASK;
1131         if (dc == (dw & MPS_MASK))
1132                 goto done_release;
1133
1134         dw &= ~MPS_MASK;
1135         dw |= dc;
1136         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1137         if (rval != QLA_SUCCESS) {
1138                 DEBUG2(qla_printk(KERN_WARNING, ha,
1139                     "Sync-MPI: Unable to gain sync.\n"));
1140         }
1141
1142 done_release:
1143         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1144         if (rval != QLA_SUCCESS) {
1145                 DEBUG2(qla_printk(KERN_WARNING, ha,
1146                     "Sync-MPI: Unable to release semaphore.\n"));
1147         }
1148
1149 done:
1150         return rval;
1151 }
1152
1153 /**
1154  * qla2x00_setup_chip() - Load and start RISC firmware.
1155  * @ha: HA context
1156  *
1157  * Returns 0 on success.
1158  */
1159 static int
1160 qla2x00_setup_chip(scsi_qla_host_t *vha)
1161 {
1162         int rval;
1163         uint32_t srisc_address = 0;
1164         struct qla_hw_data *ha = vha->hw;
1165         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1166         unsigned long flags;
1167         uint16_t fw_major_version;
1168
1169         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1170                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1171                 spin_lock_irqsave(&ha->hardware_lock, flags);
1172                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1173                 RD_REG_WORD(&reg->hccr);
1174                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1175         }
1176
1177         qla81xx_mpi_sync(vha);
1178
1179         /* Load firmware sequences */
1180         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1181         if (rval == QLA_SUCCESS) {
1182                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
1183                     "code.\n", vha->host_no));
1184
1185                 rval = qla2x00_verify_checksum(vha, srisc_address);
1186                 if (rval == QLA_SUCCESS) {
1187                         /* Start firmware execution. */
1188                         DEBUG(printk("scsi(%ld): Checksum OK, start "
1189                             "firmware.\n", vha->host_no));
1190
1191                         rval = qla2x00_execute_fw(vha, srisc_address);
1192                         /* Retrieve firmware information. */
1193                         if (rval == QLA_SUCCESS) {
1194                                 fw_major_version = ha->fw_major_version;
1195                                 rval = qla2x00_get_fw_version(vha,
1196                                     &ha->fw_major_version,
1197                                     &ha->fw_minor_version,
1198                                     &ha->fw_subminor_version,
1199                                     &ha->fw_attributes, &ha->fw_memory_size,
1200                                     ha->mpi_version, &ha->mpi_capabilities,
1201                                     ha->phy_version);
1202                                 if (rval != QLA_SUCCESS)
1203                                         goto failed;
1204                                 ha->flags.npiv_supported = 0;
1205                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1206                                          (ha->fw_attributes & BIT_2)) {
1207                                         ha->flags.npiv_supported = 1;
1208                                         if ((!ha->max_npiv_vports) ||
1209                                             ((ha->max_npiv_vports + 1) %
1210                                             MIN_MULTI_ID_FABRIC))
1211                                                 ha->max_npiv_vports =
1212                                                     MIN_MULTI_ID_FABRIC - 1;
1213                                 }
1214                                 qla2x00_get_resource_cnts(vha, NULL,
1215                                     &ha->fw_xcb_count, NULL, NULL,
1216                                     &ha->max_npiv_vports, NULL);
1217
1218                                 if (!fw_major_version && ql2xallocfwdump)
1219                                         qla2x00_alloc_fw_dump(vha);
1220                         }
1221                 } else {
1222                         DEBUG2(printk(KERN_INFO
1223                             "scsi(%ld): ISP Firmware failed checksum.\n",
1224                             vha->host_no));
1225                 }
1226         }
1227
1228         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1229                 /* Enable proper parity. */
1230                 spin_lock_irqsave(&ha->hardware_lock, flags);
1231                 if (IS_QLA2300(ha))
1232                         /* SRAM parity */
1233                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1234                 else
1235                         /* SRAM, Instruction RAM and GP RAM parity */
1236                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1237                 RD_REG_WORD(&reg->hccr);
1238                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1239         }
1240
1241         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1242                 uint32_t size;
1243
1244                 rval = qla81xx_fac_get_sector_size(vha, &size);
1245                 if (rval == QLA_SUCCESS) {
1246                         ha->flags.fac_supported = 1;
1247                         ha->fdt_block_size = size << 2;
1248                 } else {
1249                         qla_printk(KERN_ERR, ha,
1250                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1251                             ha->fw_major_version, ha->fw_minor_version,
1252                             ha->fw_subminor_version);
1253                 }
1254         }
1255 failed:
1256         if (rval) {
1257                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1258                     vha->host_no));
1259         }
1260
1261         return (rval);
1262 }
1263
1264 /**
1265  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1266  * @ha: HA context
1267  *
1268  * Beginning of request ring has initialization control block already built
1269  * by nvram config routine.
1270  *
1271  * Returns 0 on success.
1272  */
1273 void
1274 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1275 {
1276         uint16_t cnt;
1277         response_t *pkt;
1278
1279         rsp->ring_ptr = rsp->ring;
1280         rsp->ring_index    = 0;
1281         rsp->status_srb = NULL;
1282         pkt = rsp->ring_ptr;
1283         for (cnt = 0; cnt < rsp->length; cnt++) {
1284                 pkt->signature = RESPONSE_PROCESSED;
1285                 pkt++;
1286         }
1287 }
1288
1289 /**
1290  * qla2x00_update_fw_options() - Read and process firmware options.
1291  * @ha: HA context
1292  *
1293  * Returns 0 on success.
1294  */
1295 void
1296 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1297 {
1298         uint16_t swing, emphasis, tx_sens, rx_sens;
1299         struct qla_hw_data *ha = vha->hw;
1300
1301         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1302         qla2x00_get_fw_options(vha, ha->fw_options);
1303
1304         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1305                 return;
1306
1307         /* Serial Link options. */
1308         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1309             vha->host_no));
1310         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1311             sizeof(ha->fw_seriallink_options)));
1312
1313         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1314         if (ha->fw_seriallink_options[3] & BIT_2) {
1315                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1316
1317                 /*  1G settings */
1318                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1319                 emphasis = (ha->fw_seriallink_options[2] &
1320                     (BIT_4 | BIT_3)) >> 3;
1321                 tx_sens = ha->fw_seriallink_options[0] &
1322                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1323                 rx_sens = (ha->fw_seriallink_options[0] &
1324                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1325                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1326                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1327                         if (rx_sens == 0x0)
1328                                 rx_sens = 0x3;
1329                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1330                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1331                         ha->fw_options[10] |= BIT_5 |
1332                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1333                             (tx_sens & (BIT_1 | BIT_0));
1334
1335                 /*  2G settings */
1336                 swing = (ha->fw_seriallink_options[2] &
1337                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1338                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1339                 tx_sens = ha->fw_seriallink_options[1] &
1340                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1341                 rx_sens = (ha->fw_seriallink_options[1] &
1342                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1343                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1344                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1345                         if (rx_sens == 0x0)
1346                                 rx_sens = 0x3;
1347                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1348                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1349                         ha->fw_options[11] |= BIT_5 |
1350                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1351                             (tx_sens & (BIT_1 | BIT_0));
1352         }
1353
1354         /* FCP2 options. */
1355         /*  Return command IOCBs without waiting for an ABTS to complete. */
1356         ha->fw_options[3] |= BIT_13;
1357
1358         /* LED scheme. */
1359         if (ha->flags.enable_led_scheme)
1360                 ha->fw_options[2] |= BIT_12;
1361
1362         /* Detect ISP6312. */
1363         if (IS_QLA6312(ha))
1364                 ha->fw_options[2] |= BIT_13;
1365
1366         /* Update firmware options. */
1367         qla2x00_set_fw_options(vha, ha->fw_options);
1368 }
1369
1370 void
1371 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1372 {
1373         int rval;
1374         struct qla_hw_data *ha = vha->hw;
1375
1376         /* Update Serial Link options. */
1377         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1378                 return;
1379
1380         rval = qla2x00_set_serdes_params(vha,
1381             le16_to_cpu(ha->fw_seriallink_options24[1]),
1382             le16_to_cpu(ha->fw_seriallink_options24[2]),
1383             le16_to_cpu(ha->fw_seriallink_options24[3]));
1384         if (rval != QLA_SUCCESS) {
1385                 qla_printk(KERN_WARNING, ha,
1386                     "Unable to update Serial Link options (%x).\n", rval);
1387         }
1388 }
1389
1390 void
1391 qla2x00_config_rings(struct scsi_qla_host *vha)
1392 {
1393         struct qla_hw_data *ha = vha->hw;
1394         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1395         struct req_que *req = ha->req_q_map[0];
1396         struct rsp_que *rsp = ha->rsp_q_map[0];
1397
1398         /* Setup ring parameters in initialization control block. */
1399         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1400         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1401         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1402         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1403         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1404         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1405         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1406         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1407
1408         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1409         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1410         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1411         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1412         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1413 }
1414
1415 void
1416 qla24xx_config_rings(struct scsi_qla_host *vha)
1417 {
1418         struct qla_hw_data *ha = vha->hw;
1419         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1420         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1421         struct qla_msix_entry *msix;
1422         struct init_cb_24xx *icb;
1423         uint16_t rid = 0;
1424         struct req_que *req = ha->req_q_map[0];
1425         struct rsp_que *rsp = ha->rsp_q_map[0];
1426
1427 /* Setup ring parameters in initialization control block. */
1428         icb = (struct init_cb_24xx *)ha->init_cb;
1429         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1430         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1431         icb->request_q_length = cpu_to_le16(req->length);
1432         icb->response_q_length = cpu_to_le16(rsp->length);
1433         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1434         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1435         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1436         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1437
1438         if (ha->mqenable) {
1439                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1440                 icb->rid = __constant_cpu_to_le16(rid);
1441                 if (ha->flags.msix_enabled) {
1442                         msix = &ha->msix_entries[1];
1443                         DEBUG2_17(printk(KERN_INFO
1444                         "Registering vector 0x%x for base que\n", msix->entry));
1445                         icb->msix = cpu_to_le16(msix->entry);
1446                 }
1447                 /* Use alternate PCI bus number */
1448                 if (MSB(rid))
1449                         icb->firmware_options_2 |=
1450                                 __constant_cpu_to_le32(BIT_19);
1451                 /* Use alternate PCI devfn */
1452                 if (LSB(rid))
1453                         icb->firmware_options_2 |=
1454                                 __constant_cpu_to_le32(BIT_18);
1455
1456                 /* Use Disable MSIX Handshake mode for capable adapters */
1457                 if (IS_MSIX_NACK_CAPABLE(ha)) {
1458                         icb->firmware_options_2 &=
1459                                 __constant_cpu_to_le32(~BIT_22);
1460                         ha->flags.disable_msix_handshake = 1;
1461                         qla_printk(KERN_INFO, ha,
1462                                 "MSIX Handshake Disable Mode turned on\n");
1463                 } else {
1464                         icb->firmware_options_2 |=
1465                                 __constant_cpu_to_le32(BIT_22);
1466                 }
1467                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1468
1469                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1470                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1471                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1472                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1473         } else {
1474                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1475                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1476                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1477                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1478         }
1479         /* PCI posting */
1480         RD_REG_DWORD(&ioreg->hccr);
1481 }
1482
1483 /**
1484  * qla2x00_init_rings() - Initializes firmware.
1485  * @ha: HA context
1486  *
1487  * Beginning of request ring has initialization control block already built
1488  * by nvram config routine.
1489  *
1490  * Returns 0 on success.
1491  */
1492 static int
1493 qla2x00_init_rings(scsi_qla_host_t *vha)
1494 {
1495         int     rval;
1496         unsigned long flags = 0;
1497         int cnt, que;
1498         struct qla_hw_data *ha = vha->hw;
1499         struct req_que *req;
1500         struct rsp_que *rsp;
1501         struct scsi_qla_host *vp;
1502         struct mid_init_cb_24xx *mid_init_cb =
1503             (struct mid_init_cb_24xx *) ha->init_cb;
1504
1505         spin_lock_irqsave(&ha->hardware_lock, flags);
1506
1507         /* Clear outstanding commands array. */
1508         for (que = 0; que < ha->max_req_queues; que++) {
1509                 req = ha->req_q_map[que];
1510                 if (!req)
1511                         continue;
1512                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1513                         req->outstanding_cmds[cnt] = NULL;
1514
1515                 req->current_outstanding_cmd = 1;
1516
1517                 /* Initialize firmware. */
1518                 req->ring_ptr  = req->ring;
1519                 req->ring_index    = 0;
1520                 req->cnt      = req->length;
1521         }
1522
1523         for (que = 0; que < ha->max_rsp_queues; que++) {
1524                 rsp = ha->rsp_q_map[que];
1525                 if (!rsp)
1526                         continue;
1527                 /* Initialize response queue entries */
1528                 qla2x00_init_response_q_entries(rsp);
1529         }
1530
1531         /* Clear RSCN queue. */
1532         list_for_each_entry(vp, &ha->vp_list, list) {
1533                 vp->rscn_in_ptr = 0;
1534                 vp->rscn_out_ptr = 0;
1535         }
1536         ha->isp_ops->config_rings(vha);
1537
1538         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1539
1540         /* Update any ISP specific firmware options before initialization. */
1541         ha->isp_ops->update_fw_options(vha);
1542
1543         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1544
1545         if (ha->flags.npiv_supported) {
1546                 if (ha->operating_mode == LOOP)
1547                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1548                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1549         }
1550
1551         if (IS_FWI2_CAPABLE(ha)) {
1552                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1553                 mid_init_cb->init_cb.execution_throttle =
1554                     cpu_to_le16(ha->fw_xcb_count);
1555         }
1556
1557         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1558         if (rval) {
1559                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1560                     vha->host_no));
1561         } else {
1562                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1563                     vha->host_no));
1564         }
1565
1566         return (rval);
1567 }
1568
1569 /**
1570  * qla2x00_fw_ready() - Waits for firmware ready.
1571  * @ha: HA context
1572  *
1573  * Returns 0 on success.
1574  */
1575 static int
1576 qla2x00_fw_ready(scsi_qla_host_t *vha)
1577 {
1578         int             rval;
1579         unsigned long   wtime, mtime, cs84xx_time;
1580         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1581         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1582         uint16_t        state[5];
1583         struct qla_hw_data *ha = vha->hw;
1584
1585         rval = QLA_SUCCESS;
1586
1587         /* 20 seconds for loop down. */
1588         min_wait = 20;
1589
1590         /*
1591          * Firmware should take at most one RATOV to login, plus 5 seconds for
1592          * our own processing.
1593          */
1594         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1595                 wait_time = min_wait;
1596         }
1597
1598         /* Min wait time if loop down */
1599         mtime = jiffies + (min_wait * HZ);
1600
1601         /* wait time before firmware ready */
1602         wtime = jiffies + (wait_time * HZ);
1603
1604         /* Wait for ISP to finish LIP */
1605         if (!vha->flags.init_done)
1606                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1607
1608         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1609             vha->host_no));
1610
1611         do {
1612                 rval = qla2x00_get_firmware_state(vha, state);
1613                 if (rval == QLA_SUCCESS) {
1614                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1615                                 vha->device_flags &= ~DFLG_NO_CABLE;
1616                         }
1617                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1618                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1619                                     "84xx=%x.\n", vha->host_no, state[0],
1620                                     state[2]));
1621                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1622                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1623                                         DEBUG16(printk("scsi(%ld): Sending "
1624                                             "verify iocb.\n", vha->host_no));
1625
1626                                         cs84xx_time = jiffies;
1627                                         rval = qla84xx_init_chip(vha);
1628                                         if (rval != QLA_SUCCESS)
1629                                                 break;
1630
1631                                         /* Add time taken to initialize. */
1632                                         cs84xx_time = jiffies - cs84xx_time;
1633                                         wtime += cs84xx_time;
1634                                         mtime += cs84xx_time;
1635                                         DEBUG16(printk("scsi(%ld): Increasing "
1636                                             "wait time by %ld. New time %ld\n",
1637                                             vha->host_no, cs84xx_time, wtime));
1638                                 }
1639                         } else if (state[0] == FSTATE_READY) {
1640                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1641                                     vha->host_no));
1642
1643                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1644                                     &ha->login_timeout, &ha->r_a_tov);
1645
1646                                 rval = QLA_SUCCESS;
1647                                 break;
1648                         }
1649
1650                         rval = QLA_FUNCTION_FAILED;
1651
1652                         if (atomic_read(&vha->loop_down_timer) &&
1653                             state[0] != FSTATE_READY) {
1654                                 /* Loop down. Timeout on min_wait for states
1655                                  * other than Wait for Login.
1656                                  */
1657                                 if (time_after_eq(jiffies, mtime)) {
1658                                         qla_printk(KERN_INFO, ha,
1659                                             "Cable is unplugged...\n");
1660
1661                                         vha->device_flags |= DFLG_NO_CABLE;
1662                                         break;
1663                                 }
1664                         }
1665                 } else {
1666                         /* Mailbox cmd failed. Timeout on min_wait. */
1667                         if (time_after_eq(jiffies, mtime))
1668                                 break;
1669                 }
1670
1671                 if (time_after_eq(jiffies, wtime))
1672                         break;
1673
1674                 /* Delay for a while */
1675                 msleep(500);
1676
1677                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1678                     vha->host_no, state[0], jiffies));
1679         } while (1);
1680
1681         DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1682             vha->host_no, state[0], state[1], state[2], state[3], state[4],
1683             jiffies));
1684
1685         if (rval) {
1686                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1687                     vha->host_no));
1688         }
1689
1690         return (rval);
1691 }
1692
1693 /*
1694 *  qla2x00_configure_hba
1695 *      Setup adapter context.
1696 *
1697 * Input:
1698 *      ha = adapter state pointer.
1699 *
1700 * Returns:
1701 *      0 = success
1702 *
1703 * Context:
1704 *      Kernel context.
1705 */
1706 static int
1707 qla2x00_configure_hba(scsi_qla_host_t *vha)
1708 {
1709         int       rval;
1710         uint16_t      loop_id;
1711         uint16_t      topo;
1712         uint16_t      sw_cap;
1713         uint8_t       al_pa;
1714         uint8_t       area;
1715         uint8_t       domain;
1716         char            connect_type[22];
1717         struct qla_hw_data *ha = vha->hw;
1718
1719         /* Get host addresses. */
1720         rval = qla2x00_get_adapter_id(vha,
1721             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1722         if (rval != QLA_SUCCESS) {
1723                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1724                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1725                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1726                             __func__, vha->host_no));
1727                 } else {
1728                         qla_printk(KERN_WARNING, ha,
1729                             "ERROR -- Unable to get host loop ID.\n");
1730                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1731                 }
1732                 return (rval);
1733         }
1734
1735         if (topo == 4) {
1736                 qla_printk(KERN_INFO, ha,
1737                         "Cannot get topology - retrying.\n");
1738                 return (QLA_FUNCTION_FAILED);
1739         }
1740
1741         vha->loop_id = loop_id;
1742
1743         /* initialize */
1744         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1745         ha->operating_mode = LOOP;
1746         ha->switch_cap = 0;
1747
1748         switch (topo) {
1749         case 0:
1750                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1751                     vha->host_no));
1752                 ha->current_topology = ISP_CFG_NL;
1753                 strcpy(connect_type, "(Loop)");
1754                 break;
1755
1756         case 1:
1757                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1758                     vha->host_no));
1759                 ha->switch_cap = sw_cap;
1760                 ha->current_topology = ISP_CFG_FL;
1761                 strcpy(connect_type, "(FL_Port)");
1762                 break;
1763
1764         case 2:
1765                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1766                     vha->host_no));
1767                 ha->operating_mode = P2P;
1768                 ha->current_topology = ISP_CFG_N;
1769                 strcpy(connect_type, "(N_Port-to-N_Port)");
1770                 break;
1771
1772         case 3:
1773                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1774                     vha->host_no));
1775                 ha->switch_cap = sw_cap;
1776                 ha->operating_mode = P2P;
1777                 ha->current_topology = ISP_CFG_F;
1778                 strcpy(connect_type, "(F_Port)");
1779                 break;
1780
1781         default:
1782                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1783                     "Using NL.\n",
1784                     vha->host_no, topo));
1785                 ha->current_topology = ISP_CFG_NL;
1786                 strcpy(connect_type, "(Loop)");
1787                 break;
1788         }
1789
1790         /* Save Host port and loop ID. */
1791         /* byte order - Big Endian */
1792         vha->d_id.b.domain = domain;
1793         vha->d_id.b.area = area;
1794         vha->d_id.b.al_pa = al_pa;
1795
1796         if (!vha->flags.init_done)
1797                 qla_printk(KERN_INFO, ha,
1798                     "Topology - %s, Host Loop address 0x%x\n",
1799                     connect_type, vha->loop_id);
1800
1801         if (rval) {
1802                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1803         } else {
1804                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1805         }
1806
1807         return(rval);
1808 }
1809
1810 static inline void
1811 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1812         char *def)
1813 {
1814         char *st, *en;
1815         uint16_t index;
1816         struct qla_hw_data *ha = vha->hw;
1817         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1818             !IS_QLA81XX(ha);
1819
1820         if (memcmp(model, BINZERO, len) != 0) {
1821                 strncpy(ha->model_number, model, len);
1822                 st = en = ha->model_number;
1823                 en += len - 1;
1824                 while (en > st) {
1825                         if (*en != 0x20 && *en != 0x00)
1826                                 break;
1827                         *en-- = '\0';
1828                 }
1829
1830                 index = (ha->pdev->subsystem_device & 0xff);
1831                 if (use_tbl &&
1832                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1833                     index < QLA_MODEL_NAMES)
1834                         strncpy(ha->model_desc,
1835                             qla2x00_model_name[index * 2 + 1],
1836                             sizeof(ha->model_desc) - 1);
1837         } else {
1838                 index = (ha->pdev->subsystem_device & 0xff);
1839                 if (use_tbl &&
1840                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1841                     index < QLA_MODEL_NAMES) {
1842                         strcpy(ha->model_number,
1843                             qla2x00_model_name[index * 2]);
1844                         strncpy(ha->model_desc,
1845                             qla2x00_model_name[index * 2 + 1],
1846                             sizeof(ha->model_desc) - 1);
1847                 } else {
1848                         strcpy(ha->model_number, def);
1849                 }
1850         }
1851         if (IS_FWI2_CAPABLE(ha))
1852                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1853                     sizeof(ha->model_desc));
1854 }
1855
1856 /* On sparc systems, obtain port and node WWN from firmware
1857  * properties.
1858  */
1859 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
1860 {
1861 #ifdef CONFIG_SPARC
1862         struct qla_hw_data *ha = vha->hw;
1863         struct pci_dev *pdev = ha->pdev;
1864         struct device_node *dp = pci_device_to_OF_node(pdev);
1865         const u8 *val;
1866         int len;
1867
1868         val = of_get_property(dp, "port-wwn", &len);
1869         if (val && len >= WWN_SIZE)
1870                 memcpy(nv->port_name, val, WWN_SIZE);
1871
1872         val = of_get_property(dp, "node-wwn", &len);
1873         if (val && len >= WWN_SIZE)
1874                 memcpy(nv->node_name, val, WWN_SIZE);
1875 #endif
1876 }
1877
1878 /*
1879 * NVRAM configuration for ISP 2xxx
1880 *
1881 * Input:
1882 *      ha                = adapter block pointer.
1883 *
1884 * Output:
1885 *      initialization control block in response_ring
1886 *      host adapters parameters in host adapter block
1887 *
1888 * Returns:
1889 *      0 = success.
1890 */
1891 int
1892 qla2x00_nvram_config(scsi_qla_host_t *vha)
1893 {
1894         int             rval;
1895         uint8_t         chksum = 0;
1896         uint16_t        cnt;
1897         uint8_t         *dptr1, *dptr2;
1898         struct qla_hw_data *ha = vha->hw;
1899         init_cb_t       *icb = ha->init_cb;
1900         nvram_t         *nv = ha->nvram;
1901         uint8_t         *ptr = ha->nvram;
1902         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1903
1904         rval = QLA_SUCCESS;
1905
1906         /* Determine NVRAM starting address. */
1907         ha->nvram_size = sizeof(nvram_t);
1908         ha->nvram_base = 0;
1909         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1910                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1911                         ha->nvram_base = 0x80;
1912
1913         /* Get NVRAM data and calculate checksum. */
1914         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
1915         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1916                 chksum += *ptr++;
1917
1918         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
1919         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1920
1921         /* Bad NVRAM data, set defaults parameters. */
1922         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1923             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1924                 /* Reset NVRAM data. */
1925                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1926                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1927                     nv->nvram_version);
1928                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1929                     "invalid -- WWPN) defaults.\n");
1930
1931                 /*
1932                  * Set default initialization control block.
1933                  */
1934                 memset(nv, 0, ha->nvram_size);
1935                 nv->parameter_block_version = ICB_VERSION;
1936
1937                 if (IS_QLA23XX(ha)) {
1938                         nv->firmware_options[0] = BIT_2 | BIT_1;
1939                         nv->firmware_options[1] = BIT_7 | BIT_5;
1940                         nv->add_firmware_options[0] = BIT_5;
1941                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1942                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
1943                         nv->special_options[1] = BIT_7;
1944                 } else if (IS_QLA2200(ha)) {
1945                         nv->firmware_options[0] = BIT_2 | BIT_1;
1946                         nv->firmware_options[1] = BIT_7 | BIT_5;
1947                         nv->add_firmware_options[0] = BIT_5;
1948                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1949                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1950                 } else if (IS_QLA2100(ha)) {
1951                         nv->firmware_options[0] = BIT_3 | BIT_1;
1952                         nv->firmware_options[1] = BIT_5;
1953                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1954                 }
1955
1956                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1957                 nv->execution_throttle = __constant_cpu_to_le16(16);
1958                 nv->retry_count = 8;
1959                 nv->retry_delay = 1;
1960
1961                 nv->port_name[0] = 33;
1962                 nv->port_name[3] = 224;
1963                 nv->port_name[4] = 139;
1964
1965                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
1966
1967                 nv->login_timeout = 4;
1968
1969                 /*
1970                  * Set default host adapter parameters
1971                  */
1972                 nv->host_p[1] = BIT_2;
1973                 nv->reset_delay = 5;
1974                 nv->port_down_retry_count = 8;
1975                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1976                 nv->link_down_timeout = 60;
1977
1978                 rval = 1;
1979         }
1980
1981 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1982         /*
1983          * The SN2 does not provide BIOS emulation which means you can't change
1984          * potentially bogus BIOS settings. Force the use of default settings
1985          * for link rate and frame size.  Hope that the rest of the settings
1986          * are valid.
1987          */
1988         if (ia64_platform_is("sn2")) {
1989                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1990                 if (IS_QLA23XX(ha))
1991                         nv->special_options[1] = BIT_7;
1992         }
1993 #endif
1994
1995         /* Reset Initialization control block */
1996         memset(icb, 0, ha->init_cb_size);
1997
1998         /*
1999          * Setup driver NVRAM options.
2000          */
2001         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2002         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2003         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2004         nv->firmware_options[1] &= ~BIT_4;
2005
2006         if (IS_QLA23XX(ha)) {
2007                 nv->firmware_options[0] |= BIT_2;
2008                 nv->firmware_options[0] &= ~BIT_3;
2009                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2010
2011                 if (IS_QLA2300(ha)) {
2012                         if (ha->fb_rev == FPM_2310) {
2013                                 strcpy(ha->model_number, "QLA2310");
2014                         } else {
2015                                 strcpy(ha->model_number, "QLA2300");
2016                         }
2017                 } else {
2018                         qla2x00_set_model_info(vha, nv->model_number,
2019                             sizeof(nv->model_number), "QLA23xx");
2020                 }
2021         } else if (IS_QLA2200(ha)) {
2022                 nv->firmware_options[0] |= BIT_2;
2023                 /*
2024                  * 'Point-to-point preferred, else loop' is not a safe
2025                  * connection mode setting.
2026                  */
2027                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2028                     (BIT_5 | BIT_4)) {
2029                         /* Force 'loop preferred, else point-to-point'. */
2030                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2031                         nv->add_firmware_options[0] |= BIT_5;
2032                 }
2033                 strcpy(ha->model_number, "QLA22xx");
2034         } else /*if (IS_QLA2100(ha))*/ {
2035                 strcpy(ha->model_number, "QLA2100");
2036         }
2037
2038         /*
2039          * Copy over NVRAM RISC parameter block to initialization control block.
2040          */
2041         dptr1 = (uint8_t *)icb;
2042         dptr2 = (uint8_t *)&nv->parameter_block_version;
2043         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2044         while (cnt--)
2045                 *dptr1++ = *dptr2++;
2046
2047         /* Copy 2nd half. */
2048         dptr1 = (uint8_t *)icb->add_firmware_options;
2049         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2050         while (cnt--)
2051                 *dptr1++ = *dptr2++;
2052
2053         /* Use alternate WWN? */
2054         if (nv->host_p[1] & BIT_7) {
2055                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2056                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2057         }
2058
2059         /* Prepare nodename */
2060         if ((icb->firmware_options[1] & BIT_6) == 0) {
2061                 /*
2062                  * Firmware will apply the following mask if the nodename was
2063                  * not provided.
2064                  */
2065                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2066                 icb->node_name[0] &= 0xF0;
2067         }
2068
2069         /*
2070          * Set host adapter parameters.
2071          */
2072         if (nv->host_p[0] & BIT_7)
2073                 ql2xextended_error_logging = 1;
2074         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2075         /* Always load RISC code on non ISP2[12]00 chips. */
2076         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2077                 ha->flags.disable_risc_code_load = 0;
2078         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2079         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2080         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2081         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2082         ha->flags.disable_serdes = 0;
2083
2084         ha->operating_mode =
2085             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2086
2087         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2088             sizeof(ha->fw_seriallink_options));
2089
2090         /* save HBA serial number */
2091         ha->serial0 = icb->port_name[5];
2092         ha->serial1 = icb->port_name[6];
2093         ha->serial2 = icb->port_name[7];
2094         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2095         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2096
2097         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2098
2099         ha->retry_count = nv->retry_count;
2100
2101         /* Set minimum login_timeout to 4 seconds. */
2102         if (nv->login_timeout < ql2xlogintimeout)
2103                 nv->login_timeout = ql2xlogintimeout;
2104         if (nv->login_timeout < 4)
2105                 nv->login_timeout = 4;
2106         ha->login_timeout = nv->login_timeout;
2107         icb->login_timeout = nv->login_timeout;
2108
2109         /* Set minimum RATOV to 100 tenths of a second. */
2110         ha->r_a_tov = 100;
2111
2112         ha->loop_reset_delay = nv->reset_delay;
2113
2114         /* Link Down Timeout = 0:
2115          *
2116          *      When Port Down timer expires we will start returning
2117          *      I/O's to OS with "DID_NO_CONNECT".
2118          *
2119          * Link Down Timeout != 0:
2120          *
2121          *       The driver waits for the link to come up after link down
2122          *       before returning I/Os to OS with "DID_NO_CONNECT".
2123          */
2124         if (nv->link_down_timeout == 0) {
2125                 ha->loop_down_abort_time =
2126                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2127         } else {
2128                 ha->link_down_timeout =  nv->link_down_timeout;
2129                 ha->loop_down_abort_time =
2130                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2131         }
2132
2133         /*
2134          * Need enough time to try and get the port back.
2135          */
2136         ha->port_down_retry_count = nv->port_down_retry_count;
2137         if (qlport_down_retry)
2138                 ha->port_down_retry_count = qlport_down_retry;
2139         /* Set login_retry_count */
2140         ha->login_retry_count  = nv->retry_count;
2141         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2142             ha->port_down_retry_count > 3)
2143                 ha->login_retry_count = ha->port_down_retry_count;
2144         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2145                 ha->login_retry_count = ha->port_down_retry_count;
2146         if (ql2xloginretrycount)
2147                 ha->login_retry_count = ql2xloginretrycount;
2148
2149         icb->lun_enables = __constant_cpu_to_le16(0);
2150         icb->command_resource_count = 0;
2151         icb->immediate_notify_resource_count = 0;
2152         icb->timeout = __constant_cpu_to_le16(0);
2153
2154         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2155                 /* Enable RIO */
2156                 icb->firmware_options[0] &= ~BIT_3;
2157                 icb->add_firmware_options[0] &=
2158                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2159                 icb->add_firmware_options[0] |= BIT_2;
2160                 icb->response_accumulation_timer = 3;
2161                 icb->interrupt_delay_timer = 5;
2162
2163                 vha->flags.process_response_queue = 1;
2164         } else {
2165                 /* Enable ZIO. */
2166                 if (!vha->flags.init_done) {
2167                         ha->zio_mode = icb->add_firmware_options[0] &
2168                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2169                         ha->zio_timer = icb->interrupt_delay_timer ?
2170                             icb->interrupt_delay_timer: 2;
2171                 }
2172                 icb->add_firmware_options[0] &=
2173                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2174                 vha->flags.process_response_queue = 0;
2175                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2176                         ha->zio_mode = QLA_ZIO_MODE_6;
2177
2178                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
2179                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
2180                             ha->zio_timer * 100));
2181                         qla_printk(KERN_INFO, ha,
2182                             "ZIO mode %d enabled; timer delay (%d us).\n",
2183                             ha->zio_mode, ha->zio_timer * 100);
2184
2185                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2186                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2187                         vha->flags.process_response_queue = 1;
2188                 }
2189         }
2190
2191         if (rval) {
2192                 DEBUG2_3(printk(KERN_WARNING
2193                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
2194         }
2195         return (rval);
2196 }
2197
2198 static void
2199 qla2x00_rport_del(void *data)
2200 {
2201         fc_port_t *fcport = data;
2202         struct fc_rport *rport;
2203
2204         spin_lock_irq(fcport->vha->host->host_lock);
2205         rport = fcport->drport ? fcport->drport: fcport->rport;
2206         fcport->drport = NULL;
2207         spin_unlock_irq(fcport->vha->host->host_lock);
2208         if (rport)
2209                 fc_remote_port_delete(rport);
2210 }
2211
2212 /**
2213  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2214  * @ha: HA context
2215  * @flags: allocation flags
2216  *
2217  * Returns a pointer to the allocated fcport, or NULL, if none available.
2218  */
2219 static fc_port_t *
2220 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2221 {
2222         fc_port_t *fcport;
2223
2224         fcport = kzalloc(sizeof(fc_port_t), flags);
2225         if (!fcport)
2226                 return NULL;
2227
2228         /* Setup fcport template structure. */
2229         fcport->vha = vha;
2230         fcport->vp_idx = vha->vp_idx;
2231         fcport->port_type = FCT_UNKNOWN;
2232         fcport->loop_id = FC_NO_LOOP_ID;
2233         atomic_set(&fcport->state, FCS_UNCONFIGURED);
2234         fcport->supported_classes = FC_COS_UNSPECIFIED;
2235
2236         return fcport;
2237 }
2238
2239 /*
2240  * qla2x00_configure_loop
2241  *      Updates Fibre Channel Device Database with what is actually on loop.
2242  *
2243  * Input:
2244  *      ha                = adapter block pointer.
2245  *
2246  * Returns:
2247  *      0 = success.
2248  *      1 = error.
2249  *      2 = database was full and device was not configured.
2250  */
2251 static int
2252 qla2x00_configure_loop(scsi_qla_host_t *vha)
2253 {
2254         int  rval;
2255         unsigned long flags, save_flags;
2256         struct qla_hw_data *ha = vha->hw;
2257         rval = QLA_SUCCESS;
2258
2259         /* Get Initiator ID */
2260         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2261                 rval = qla2x00_configure_hba(vha);
2262                 if (rval != QLA_SUCCESS) {
2263                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2264                             vha->host_no));
2265                         return (rval);
2266                 }
2267         }
2268
2269         save_flags = flags = vha->dpc_flags;
2270         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2271             vha->host_no, flags));
2272
2273         /*
2274          * If we have both an RSCN and PORT UPDATE pending then handle them
2275          * both at the same time.
2276          */
2277         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2278         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2279
2280         qla2x00_get_data_rate(vha);
2281
2282         /* Determine what we need to do */
2283         if (ha->current_topology == ISP_CFG_FL &&
2284             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2285
2286                 vha->flags.rscn_queue_overflow = 1;
2287                 set_bit(RSCN_UPDATE, &flags);
2288
2289         } else if (ha->current_topology == ISP_CFG_F &&
2290             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2291
2292                 vha->flags.rscn_queue_overflow = 1;
2293                 set_bit(RSCN_UPDATE, &flags);
2294                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2295
2296         } else if (ha->current_topology == ISP_CFG_N) {
2297                 clear_bit(RSCN_UPDATE, &flags);
2298
2299         } else if (!vha->flags.online ||
2300             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2301
2302                 vha->flags.rscn_queue_overflow = 1;
2303                 set_bit(RSCN_UPDATE, &flags);
2304                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2305         }
2306
2307         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2308                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2309                         rval = QLA_FUNCTION_FAILED;
2310                 else
2311                         rval = qla2x00_configure_local_loop(vha);
2312         }
2313
2314         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2315                 if (LOOP_TRANSITION(vha))
2316                         rval = QLA_FUNCTION_FAILED;
2317                 else
2318                         rval = qla2x00_configure_fabric(vha);
2319         }
2320
2321         if (rval == QLA_SUCCESS) {
2322                 if (atomic_read(&vha->loop_down_timer) ||
2323                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2324                         rval = QLA_FUNCTION_FAILED;
2325                 } else {
2326                         atomic_set(&vha->loop_state, LOOP_READY);
2327
2328                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2329                 }
2330         }
2331
2332         if (rval) {
2333                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2334                     __func__, vha->host_no));
2335         } else {
2336                 DEBUG3(printk("%s: exiting normally\n", __func__));
2337         }
2338
2339         /* Restore state if a resync event occurred during processing */
2340         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2341                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2342                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2343                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2344                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2345                         vha->flags.rscn_queue_overflow = 1;
2346                 }
2347         }
2348
2349         return (rval);
2350 }
2351
2352
2353
2354 /*
2355  * qla2x00_configure_local_loop
2356  *      Updates Fibre Channel Device Database with local loop devices.
2357  *
2358  * Input:
2359  *      ha = adapter block pointer.
2360  *
2361  * Returns:
2362  *      0 = success.
2363  */
2364 static int
2365 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2366 {
2367         int             rval, rval2;
2368         int             found_devs;
2369         int             found;
2370         fc_port_t       *fcport, *new_fcport;
2371
2372         uint16_t        index;
2373         uint16_t        entries;
2374         char            *id_iter;
2375         uint16_t        loop_id;
2376         uint8_t         domain, area, al_pa;
2377         struct qla_hw_data *ha = vha->hw;
2378
2379         found_devs = 0;
2380         new_fcport = NULL;
2381         entries = MAX_FIBRE_DEVICES;
2382
2383         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2384         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2385
2386         /* Get list of logged in devices. */
2387         memset(ha->gid_list, 0, GID_LIST_SIZE);
2388         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2389             &entries);
2390         if (rval != QLA_SUCCESS)
2391                 goto cleanup_allocation;
2392
2393         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2394             vha->host_no, entries));
2395         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2396             entries * sizeof(struct gid_list_info)));
2397
2398         /* Allocate temporary fcport for any new fcports discovered. */
2399         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2400         if (new_fcport == NULL) {
2401                 rval = QLA_MEMORY_ALLOC_FAILED;
2402                 goto cleanup_allocation;
2403         }
2404         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2405
2406         /*
2407          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2408          */
2409         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2410                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2411                     fcport->port_type != FCT_BROADCAST &&
2412                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2413
2414                         DEBUG(printk("scsi(%ld): Marking port lost, "
2415                             "loop_id=0x%04x\n",
2416                             vha->host_no, fcport->loop_id));
2417
2418                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2419                 }
2420         }
2421
2422         /* Add devices to port list. */
2423         id_iter = (char *)ha->gid_list;
2424         for (index = 0; index < entries; index++) {
2425                 domain = ((struct gid_list_info *)id_iter)->domain;
2426                 area = ((struct gid_list_info *)id_iter)->area;
2427                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2428                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2429                         loop_id = (uint16_t)
2430                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2431                 else
2432                         loop_id = le16_to_cpu(
2433                             ((struct gid_list_info *)id_iter)->loop_id);
2434                 id_iter += ha->gid_list_info_size;
2435
2436                 /* Bypass reserved domain fields. */
2437                 if ((domain & 0xf0) == 0xf0)
2438                         continue;
2439
2440                 /* Bypass if not same domain and area of adapter. */
2441                 if (area && domain &&
2442                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2443                         continue;
2444
2445                 /* Bypass invalid local loop ID. */
2446                 if (loop_id > LAST_LOCAL_LOOP_ID)
2447                         continue;
2448
2449                 /* Fill in member data. */
2450                 new_fcport->d_id.b.domain = domain;
2451                 new_fcport->d_id.b.area = area;
2452                 new_fcport->d_id.b.al_pa = al_pa;
2453                 new_fcport->loop_id = loop_id;
2454                 new_fcport->vp_idx = vha->vp_idx;
2455                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2456                 if (rval2 != QLA_SUCCESS) {
2457                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2458                             "information -- get_port_database=%x, "
2459                             "loop_id=0x%04x\n",
2460                             vha->host_no, rval2, new_fcport->loop_id));
2461                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2462                             vha->host_no));
2463                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2464                         continue;
2465                 }
2466
2467                 /* Check for matching device in port list. */
2468                 found = 0;
2469                 fcport = NULL;
2470                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2471                         if (memcmp(new_fcport->port_name, fcport->port_name,
2472                             WWN_SIZE))
2473                                 continue;
2474
2475                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2476                         fcport->loop_id = new_fcport->loop_id;
2477                         fcport->port_type = new_fcport->port_type;
2478                         fcport->d_id.b24 = new_fcport->d_id.b24;
2479                         memcpy(fcport->node_name, new_fcport->node_name,
2480                             WWN_SIZE);
2481
2482                         found++;
2483                         break;
2484                 }
2485
2486                 if (!found) {
2487                         /* New device, add to fcports list. */
2488                         if (vha->vp_idx) {
2489                                 new_fcport->vha = vha;
2490                                 new_fcport->vp_idx = vha->vp_idx;
2491                         }
2492                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2493
2494                         /* Allocate a new replacement fcport. */
2495                         fcport = new_fcport;
2496                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2497                         if (new_fcport == NULL) {
2498                                 rval = QLA_MEMORY_ALLOC_FAILED;
2499                                 goto cleanup_allocation;
2500                         }
2501                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2502                 }
2503
2504                 /* Base iIDMA settings on HBA port speed. */
2505                 fcport->fp_speed = ha->link_data_rate;
2506
2507                 qla2x00_update_fcport(vha, fcport);
2508
2509                 found_devs++;
2510         }
2511
2512 cleanup_allocation:
2513         kfree(new_fcport);
2514
2515         if (rval != QLA_SUCCESS) {
2516                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2517                     "rval=%x\n", vha->host_no, rval));
2518         }
2519
2520         return (rval);
2521 }
2522
2523 static void
2524 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2525 {
2526 #define LS_UNKNOWN      2
2527         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2528         char *link_speed;
2529         int rval;
2530         uint16_t mb[4];
2531         struct qla_hw_data *ha = vha->hw;
2532
2533         if (!IS_IIDMA_CAPABLE(ha))
2534                 return;
2535
2536         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2537             fcport->fp_speed > ha->link_data_rate)
2538                 return;
2539
2540         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2541             mb);
2542         if (rval != QLA_SUCCESS) {
2543                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2544                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2545                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2546                     fcport->port_name[2], fcport->port_name[3],
2547                     fcport->port_name[4], fcport->port_name[5],
2548                     fcport->port_name[6], fcport->port_name[7], rval,
2549                     fcport->fp_speed, mb[0], mb[1]));
2550         } else {
2551                 link_speed = link_speeds[LS_UNKNOWN];
2552                 if (fcport->fp_speed < 5)
2553                         link_speed = link_speeds[fcport->fp_speed];
2554                 else if (fcport->fp_speed == 0x13)
2555                         link_speed = link_speeds[5];
2556                 DEBUG2(qla_printk(KERN_INFO, ha,
2557                     "iIDMA adjusted to %s GB/s on "
2558                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2559                     link_speed, fcport->port_name[0],
2560                     fcport->port_name[1], fcport->port_name[2],
2561                     fcport->port_name[3], fcport->port_name[4],
2562                     fcport->port_name[5], fcport->port_name[6],
2563                     fcport->port_name[7]));
2564         }
2565 }
2566
2567 static void
2568 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2569 {
2570         struct fc_rport_identifiers rport_ids;
2571         struct fc_rport *rport;
2572         struct qla_hw_data *ha = vha->hw;
2573
2574         qla2x00_rport_del(fcport);
2575
2576         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2577         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2578         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2579             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2580         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2581         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2582         if (!rport) {
2583                 qla_printk(KERN_WARNING, ha,
2584                     "Unable to allocate fc remote port!\n");
2585                 return;
2586         }
2587         spin_lock_irq(fcport->vha->host->host_lock);
2588         *((fc_port_t **)rport->dd_data) = fcport;
2589         spin_unlock_irq(fcport->vha->host->host_lock);
2590
2591         rport->supported_classes = fcport->supported_classes;
2592
2593         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2594         if (fcport->port_type == FCT_INITIATOR)
2595                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2596         if (fcport->port_type == FCT_TARGET)
2597                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2598         fc_remote_port_rolechg(rport, rport_ids.roles);
2599 }
2600
2601 /*
2602  * qla2x00_update_fcport
2603  *      Updates device on list.
2604  *
2605  * Input:
2606  *      ha = adapter block pointer.
2607  *      fcport = port structure pointer.
2608  *
2609  * Return:
2610  *      0  - Success
2611  *  BIT_0 - error
2612  *
2613  * Context:
2614  *      Kernel context.
2615  */
2616 void
2617 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2618 {
2619         struct qla_hw_data *ha = vha->hw;
2620
2621         fcport->vha = vha;
2622         fcport->login_retry = 0;
2623         fcport->port_login_retry_count = ha->port_down_retry_count *
2624             PORT_RETRY_TIME;
2625         atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2626             PORT_RETRY_TIME);
2627         fcport->flags &= ~FCF_LOGIN_NEEDED;
2628
2629         qla2x00_iidma_fcport(vha, fcport);
2630
2631         atomic_set(&fcport->state, FCS_ONLINE);
2632
2633         qla2x00_reg_remote_port(vha, fcport);
2634 }
2635
2636 /*
2637  * qla2x00_configure_fabric
2638  *      Setup SNS devices with loop ID's.
2639  *
2640  * Input:
2641  *      ha = adapter block pointer.
2642  *
2643  * Returns:
2644  *      0 = success.
2645  *      BIT_0 = error
2646  */
2647 static int
2648 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2649 {
2650         int     rval, rval2;
2651         fc_port_t       *fcport, *fcptemp;
2652         uint16_t        next_loopid;
2653         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2654         uint16_t        loop_id;
2655         LIST_HEAD(new_fcports);
2656         struct qla_hw_data *ha = vha->hw;
2657         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2658
2659         /* If FL port exists, then SNS is present */
2660         if (IS_FWI2_CAPABLE(ha))
2661                 loop_id = NPH_F_PORT;
2662         else
2663                 loop_id = SNS_FL_PORT;
2664         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2665         if (rval != QLA_SUCCESS) {
2666                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2667                     "Port\n", vha->host_no));
2668
2669                 vha->device_flags &= ~SWITCH_FOUND;
2670                 return (QLA_SUCCESS);
2671         }
2672         vha->device_flags |= SWITCH_FOUND;
2673
2674         /* Mark devices that need re-synchronization. */
2675         rval2 = qla2x00_device_resync(vha);
2676         if (rval2 == QLA_RSCNS_HANDLED) {
2677                 /* No point doing the scan, just continue. */
2678                 return (QLA_SUCCESS);
2679         }
2680         do {
2681                 /* FDMI support. */
2682                 if (ql2xfdmienable &&
2683                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2684                         qla2x00_fdmi_register(vha);
2685
2686                 /* Ensure we are logged into the SNS. */
2687                 if (IS_FWI2_CAPABLE(ha))
2688                         loop_id = NPH_SNS;
2689                 else
2690                         loop_id = SIMPLE_NAME_SERVER;
2691                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2692                     0xfc, mb, BIT_1 | BIT_0);
2693                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2694                         DEBUG2(qla_printk(KERN_INFO, ha,
2695                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2696                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2697                             mb[0], mb[1], mb[2], mb[6], mb[7]));
2698                         return (QLA_SUCCESS);
2699                 }
2700
2701                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2702                         if (qla2x00_rft_id(vha)) {
2703                                 /* EMPTY */
2704                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2705                                     "TYPE failed.\n", vha->host_no));
2706                         }
2707                         if (qla2x00_rff_id(vha)) {
2708                                 /* EMPTY */
2709                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2710                                     "Features failed.\n", vha->host_no));
2711                         }
2712                         if (qla2x00_rnn_id(vha)) {
2713                                 /* EMPTY */
2714                                 DEBUG2(printk("scsi(%ld): Register Node Name "
2715                                     "failed.\n", vha->host_no));
2716                         } else if (qla2x00_rsnn_nn(vha)) {
2717                                 /* EMPTY */
2718                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
2719                                     "Node Name failed.\n", vha->host_no));
2720                         }
2721                 }
2722
2723                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2724                 if (rval != QLA_SUCCESS)
2725                         break;
2726
2727                 /*
2728                  * Logout all previous fabric devices marked lost, except
2729                  * FCP2 devices.
2730                  */
2731                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2732                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2733                                 break;
2734
2735                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2736                                 continue;
2737
2738                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2739                                 qla2x00_mark_device_lost(vha, fcport,
2740                                     ql2xplogiabsentdevice, 0);
2741                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
2742                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
2743                                     fcport->port_type != FCT_INITIATOR &&
2744                                     fcport->port_type != FCT_BROADCAST) {
2745                                         ha->isp_ops->fabric_logout(vha,
2746                                             fcport->loop_id,
2747                                             fcport->d_id.b.domain,
2748                                             fcport->d_id.b.area,
2749                                             fcport->d_id.b.al_pa);
2750                                         fcport->loop_id = FC_NO_LOOP_ID;
2751                                 }
2752                         }
2753                 }
2754
2755                 /* Starting free loop ID. */
2756                 next_loopid = ha->min_external_loopid;
2757
2758                 /*
2759                  * Scan through our port list and login entries that need to be
2760                  * logged in.
2761                  */
2762                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2763                         if (atomic_read(&vha->loop_down_timer) ||
2764                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2765                                 break;
2766
2767                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2768                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2769                                 continue;
2770
2771                         if (fcport->loop_id == FC_NO_LOOP_ID) {
2772                                 fcport->loop_id = next_loopid;
2773                                 rval = qla2x00_find_new_loop_id(
2774                                     base_vha, fcport);
2775                                 if (rval != QLA_SUCCESS) {
2776                                         /* Ran out of IDs to use */
2777                                         break;
2778                                 }
2779                         }
2780                         /* Login and update database */
2781                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2782                 }
2783
2784                 /* Exit if out of loop IDs. */
2785                 if (rval != QLA_SUCCESS) {
2786                         break;
2787                 }
2788
2789                 /*
2790                  * Login and add the new devices to our port list.
2791                  */
2792                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2793                         if (atomic_read(&vha->loop_down_timer) ||
2794                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2795                                 break;
2796
2797                         /* Find a new loop ID to use. */
2798                         fcport->loop_id = next_loopid;
2799                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
2800                         if (rval != QLA_SUCCESS) {
2801                                 /* Ran out of IDs to use */
2802                                 break;
2803                         }
2804
2805                         /* Login and update database */
2806                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2807
2808                         if (vha->vp_idx) {
2809                                 fcport->vha = vha;
2810                                 fcport->vp_idx = vha->vp_idx;
2811                         }
2812                         list_move_tail(&fcport->list, &vha->vp_fcports);
2813                 }
2814         } while (0);
2815
2816         /* Free all new device structures not processed. */
2817         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2818                 list_del(&fcport->list);
2819                 kfree(fcport);
2820         }
2821
2822         if (rval) {
2823                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2824                     "rval=%d\n", vha->host_no, rval));
2825         }
2826
2827         return (rval);
2828 }
2829
2830
2831 /*
2832  * qla2x00_find_all_fabric_devs
2833  *
2834  * Input:
2835  *      ha = adapter block pointer.
2836  *      dev = database device entry pointer.
2837  *
2838  * Returns:
2839  *      0 = success.
2840  *
2841  * Context:
2842  *      Kernel context.
2843  */
2844 static int
2845 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2846         struct list_head *new_fcports)
2847 {
2848         int             rval;
2849         uint16_t        loop_id;
2850         fc_port_t       *fcport, *new_fcport, *fcptemp;
2851         int             found;
2852
2853         sw_info_t       *swl;
2854         int             swl_idx;
2855         int             first_dev, last_dev;
2856         port_id_t       wrap, nxt_d_id;
2857         struct qla_hw_data *ha = vha->hw;
2858         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
2859         struct scsi_qla_host *tvp;
2860
2861         rval = QLA_SUCCESS;
2862
2863         /* Try GID_PT to get device list, else GAN. */
2864         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2865         if (!swl) {
2866                 /*EMPTY*/
2867                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2868                     "on GA_NXT\n", vha->host_no));
2869         } else {
2870                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
2871                         kfree(swl);
2872                         swl = NULL;
2873                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
2874                         kfree(swl);
2875                         swl = NULL;
2876                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
2877                         kfree(swl);
2878                         swl = NULL;
2879                 } else if (ql2xiidmaenable &&
2880                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2881                         qla2x00_gpsc(vha, swl);
2882                 }
2883         }
2884         swl_idx = 0;
2885
2886         /* Allocate temporary fcport for any new fcports discovered. */
2887         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2888         if (new_fcport == NULL) {
2889                 kfree(swl);
2890                 return (QLA_MEMORY_ALLOC_FAILED);
2891         }
2892         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2893         /* Set start port ID scan at adapter ID. */
2894         first_dev = 1;
2895         last_dev = 0;
2896
2897         /* Starting free loop ID. */
2898         loop_id = ha->min_external_loopid;
2899         for (; loop_id <= ha->max_loop_id; loop_id++) {
2900                 if (qla2x00_is_reserved_id(vha, loop_id))
2901                         continue;
2902
2903                 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
2904                         break;
2905
2906                 if (swl != NULL) {
2907                         if (last_dev) {
2908                                 wrap.b24 = new_fcport->d_id.b24;
2909                         } else {
2910                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2911                                 memcpy(new_fcport->node_name,
2912                                     swl[swl_idx].node_name, WWN_SIZE);
2913                                 memcpy(new_fcport->port_name,
2914                                     swl[swl_idx].port_name, WWN_SIZE);
2915                                 memcpy(new_fcport->fabric_port_name,
2916                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
2917                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2918
2919                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2920                                         last_dev = 1;
2921                                 }
2922                                 swl_idx++;
2923                         }
2924                 } else {
2925                         /* Send GA_NXT to the switch */
2926                         rval = qla2x00_ga_nxt(vha, new_fcport);
2927                         if (rval != QLA_SUCCESS) {
2928                                 qla_printk(KERN_WARNING, ha,
2929                                     "SNS scan failed -- assuming zero-entry "
2930                                     "result...\n");
2931                                 list_for_each_entry_safe(fcport, fcptemp,
2932                                     new_fcports, list) {
2933                                         list_del(&fcport->list);
2934                                         kfree(fcport);
2935                                 }
2936                                 rval = QLA_SUCCESS;
2937                                 break;
2938                         }
2939                 }
2940
2941                 /* If wrap on switch device list, exit. */
2942                 if (first_dev) {
2943                         wrap.b24 = new_fcport->d_id.b24;
2944                         first_dev = 0;
2945                 } else if (new_fcport->d_id.b24 == wrap.b24) {
2946                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2947                             vha->host_no, new_fcport->d_id.b.domain,
2948                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2949                         break;
2950                 }
2951
2952                 /* Bypass if same physical adapter. */
2953                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
2954                         continue;
2955
2956                 /* Bypass virtual ports of the same host. */
2957                 found = 0;
2958                 if (ha->num_vhosts) {
2959                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2960                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2961                                         found = 1;
2962                                         break;
2963                                 }
2964                         }
2965                         if (found)
2966                                 continue;
2967                 }
2968
2969                 /* Bypass if same domain and area of adapter. */
2970                 if (((new_fcport->d_id.b24 & 0xffff00) ==
2971                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2972                         ISP_CFG_FL)
2973                             continue;
2974
2975                 /* Bypass reserved domain fields. */
2976                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2977                         continue;
2978
2979                 /* Locate matching device in database. */
2980                 found = 0;
2981                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2982                         if (memcmp(new_fcport->port_name, fcport->port_name,
2983                             WWN_SIZE))
2984                                 continue;
2985
2986                         found++;
2987
2988                         /* Update port state. */
2989                         memcpy(fcport->fabric_port_name,
2990                             new_fcport->fabric_port_name, WWN_SIZE);
2991                         fcport->fp_speed = new_fcport->fp_speed;
2992
2993                         /*
2994                          * If address the same and state FCS_ONLINE, nothing
2995                          * changed.
2996                          */
2997                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2998                             atomic_read(&fcport->state) == FCS_ONLINE) {
2999                                 break;
3000                         }
3001
3002                         /*
3003                          * If device was not a fabric device before.
3004                          */
3005                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3006                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3007                                 fcport->loop_id = FC_NO_LOOP_ID;
3008                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3009                                     FCF_LOGIN_NEEDED);
3010                                 break;
3011                         }
3012
3013                         /*
3014                          * Port ID changed or device was marked to be updated;
3015                          * Log it out if still logged in and mark it for
3016                          * relogin later.
3017                          */
3018                         fcport->d_id.b24 = new_fcport->d_id.b24;
3019                         fcport->flags |= FCF_LOGIN_NEEDED;
3020                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3021                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3022                             fcport->port_type != FCT_INITIATOR &&
3023                             fcport->port_type != FCT_BROADCAST) {
3024                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3025                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3026                                     fcport->d_id.b.al_pa);
3027                                 fcport->loop_id = FC_NO_LOOP_ID;
3028                         }
3029
3030                         break;
3031                 }
3032
3033                 if (found)
3034                         continue;
3035                 /* If device was not in our fcports list, then add it. */
3036                 list_add_tail(&new_fcport->list, new_fcports);
3037
3038                 /* Allocate a new replacement fcport. */
3039                 nxt_d_id.b24 = new_fcport->d_id.b24;
3040                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3041                 if (new_fcport == NULL) {
3042                         kfree(swl);
3043                         return (QLA_MEMORY_ALLOC_FAILED);
3044                 }
3045                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3046                 new_fcport->d_id.b24 = nxt_d_id.b24;
3047         }
3048
3049         kfree(swl);
3050         kfree(new_fcport);
3051
3052         return (rval);
3053 }
3054
3055 /*
3056  * qla2x00_find_new_loop_id
3057  *      Scan through our port list and find a new usable loop ID.
3058  *
3059  * Input:
3060  *      ha:     adapter state pointer.
3061  *      dev:    port structure pointer.
3062  *
3063  * Returns:
3064  *      qla2x00 local function return status code.
3065  *
3066  * Context:
3067  *      Kernel context.
3068  */
3069 static int
3070 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3071 {
3072         int     rval;
3073         int     found;
3074         fc_port_t *fcport;
3075         uint16_t first_loop_id;
3076         struct qla_hw_data *ha = vha->hw;
3077         struct scsi_qla_host *vp;
3078         struct scsi_qla_host *tvp;
3079
3080         rval = QLA_SUCCESS;
3081
3082         /* Save starting loop ID. */
3083         first_loop_id = dev->loop_id;
3084
3085         for (;;) {
3086                 /* Skip loop ID if already used by adapter. */
3087                 if (dev->loop_id == vha->loop_id)
3088                         dev->loop_id++;
3089
3090                 /* Skip reserved loop IDs. */
3091                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
3092                         dev->loop_id++;
3093
3094                 /* Reset loop ID if passed the end. */
3095                 if (dev->loop_id > ha->max_loop_id) {
3096                         /* first loop ID. */
3097                         dev->loop_id = ha->min_external_loopid;
3098                 }
3099
3100                 /* Check for loop ID being already in use. */
3101                 found = 0;
3102                 fcport = NULL;
3103                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3104                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
3105                                 if (fcport->loop_id == dev->loop_id &&
3106                                                                 fcport != dev) {
3107                                         /* ID possibly in use */
3108                                         found++;
3109                                         break;
3110                                 }
3111                         }
3112                         if (found)
3113                                 break;
3114                 }
3115
3116                 /* If not in use then it is free to use. */
3117                 if (!found) {
3118                         break;
3119                 }
3120
3121                 /* ID in use. Try next value. */
3122                 dev->loop_id++;
3123
3124                 /* If wrap around. No free ID to use. */
3125                 if (dev->loop_id == first_loop_id) {
3126                         dev->loop_id = FC_NO_LOOP_ID;
3127                         rval = QLA_FUNCTION_FAILED;
3128                         break;
3129                 }
3130         }
3131
3132         return (rval);
3133 }
3134
3135 /*
3136  * qla2x00_device_resync
3137  *      Marks devices in the database that needs resynchronization.
3138  *
3139  * Input:
3140  *      ha = adapter block pointer.
3141  *
3142  * Context:
3143  *      Kernel context.
3144  */
3145 static int
3146 qla2x00_device_resync(scsi_qla_host_t *vha)
3147 {
3148         int     rval;
3149         uint32_t mask;
3150         fc_port_t *fcport;
3151         uint32_t rscn_entry;
3152         uint8_t rscn_out_iter;
3153         uint8_t format;
3154         port_id_t d_id;
3155
3156         rval = QLA_RSCNS_HANDLED;
3157
3158         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3159             vha->flags.rscn_queue_overflow) {
3160
3161                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
3162                 format = MSB(MSW(rscn_entry));
3163                 d_id.b.domain = LSB(MSW(rscn_entry));
3164                 d_id.b.area = MSB(LSW(rscn_entry));
3165                 d_id.b.al_pa = LSB(LSW(rscn_entry));
3166
3167                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3168                     "[%02x/%02x%02x%02x].\n",
3169                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
3170                     d_id.b.area, d_id.b.al_pa));
3171
3172                 vha->rscn_out_ptr++;
3173                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3174                         vha->rscn_out_ptr = 0;
3175
3176                 /* Skip duplicate entries. */
3177                 for (rscn_out_iter = vha->rscn_out_ptr;
3178                     !vha->flags.rscn_queue_overflow &&
3179                     rscn_out_iter != vha->rscn_in_ptr;
3180                     rscn_out_iter = (rscn_out_iter ==
3181                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3182
3183                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
3184                                 break;
3185
3186                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
3187                             "entry found at [%d].\n", vha->host_no,
3188                             rscn_out_iter));
3189
3190                         vha->rscn_out_ptr = rscn_out_iter;
3191                 }
3192
3193                 /* Queue overflow, set switch default case. */
3194                 if (vha->flags.rscn_queue_overflow) {
3195                         DEBUG(printk("scsi(%ld): device_resync: rscn "
3196                             "overflow.\n", vha->host_no));
3197
3198                         format = 3;
3199                         vha->flags.rscn_queue_overflow = 0;
3200                 }
3201
3202                 switch (format) {
3203                 case 0:
3204                         mask = 0xffffff;
3205                         break;
3206                 case 1:
3207                         mask = 0xffff00;
3208                         break;
3209                 case 2:
3210                         mask = 0xff0000;
3211                         break;
3212                 default:
3213                         mask = 0x0;
3214                         d_id.b24 = 0;
3215                         vha->rscn_out_ptr = vha->rscn_in_ptr;
3216                         break;
3217                 }
3218
3219                 rval = QLA_SUCCESS;
3220
3221                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3222                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3223                             (fcport->d_id.b24 & mask) != d_id.b24 ||
3224                             fcport->port_type == FCT_BROADCAST)
3225                                 continue;
3226
3227                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3228                                 if (format != 3 ||
3229                                     fcport->port_type != FCT_INITIATOR) {
3230                                         qla2x00_mark_device_lost(vha, fcport,
3231                                             0, 0);
3232                                 }
3233                         }
3234                 }
3235         }
3236         return (rval);
3237 }
3238
3239 /*
3240  * qla2x00_fabric_dev_login
3241  *      Login fabric target device and update FC port database.
3242  *
3243  * Input:
3244  *      ha:             adapter state pointer.
3245  *      fcport:         port structure list pointer.
3246  *      next_loopid:    contains value of a new loop ID that can be used
3247  *                      by the next login attempt.
3248  *
3249  * Returns:
3250  *      qla2x00 local function return status code.
3251  *
3252  * Context:
3253  *      Kernel context.
3254  */
3255 static int
3256 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3257     uint16_t *next_loopid)
3258 {
3259         int     rval;
3260         int     retry;
3261         uint8_t opts;
3262         struct qla_hw_data *ha = vha->hw;
3263
3264         rval = QLA_SUCCESS;
3265         retry = 0;
3266
3267         if (IS_ALOGIO_CAPABLE(ha)) {
3268                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3269                 if (!rval)
3270                         return rval;
3271         }
3272
3273         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3274         if (rval == QLA_SUCCESS) {
3275                 /* Send an ADISC to FCP2 devices.*/
3276                 opts = 0;
3277                 if (fcport->flags & FCF_FCP2_DEVICE)
3278                         opts |= BIT_1;
3279                 rval = qla2x00_get_port_database(vha, fcport, opts);
3280                 if (rval != QLA_SUCCESS) {
3281                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3282                             fcport->d_id.b.domain, fcport->d_id.b.area,
3283                             fcport->d_id.b.al_pa);
3284                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3285                 } else {
3286                         qla2x00_update_fcport(vha, fcport);
3287                 }
3288         }
3289
3290         return (rval);
3291 }
3292
3293 /*
3294  * qla2x00_fabric_login
3295  *      Issue fabric login command.
3296  *
3297  * Input:
3298  *      ha = adapter block pointer.
3299  *      device = pointer to FC device type structure.
3300  *
3301  * Returns:
3302  *      0 - Login successfully
3303  *      1 - Login failed
3304  *      2 - Initiator device
3305  *      3 - Fatal error
3306  */
3307 int
3308 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3309     uint16_t *next_loopid)
3310 {
3311         int     rval;
3312         int     retry;
3313         uint16_t tmp_loopid;
3314         uint16_t mb[MAILBOX_REGISTER_COUNT];
3315         struct qla_hw_data *ha = vha->hw;
3316
3317         retry = 0;
3318         tmp_loopid = 0;
3319
3320         for (;;) {
3321                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3322                     "for port %02x%02x%02x.\n",
3323                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3324                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3325
3326                 /* Login fcport on switch. */
3327                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3328                     fcport->d_id.b.domain, fcport->d_id.b.area,
3329                     fcport->d_id.b.al_pa, mb, BIT_0);
3330                 if (mb[0] == MBS_PORT_ID_USED) {
3331                         /*
3332                          * Device has another loop ID.  The firmware team
3333                          * recommends the driver perform an implicit login with
3334                          * the specified ID again. The ID we just used is save
3335                          * here so we return with an ID that can be tried by
3336                          * the next login.
3337                          */
3338                         retry++;
3339                         tmp_loopid = fcport->loop_id;
3340                         fcport->loop_id = mb[1];
3341
3342                         DEBUG(printk("Fabric Login: port in use - next "
3343                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3344                             fcport->loop_id, fcport->d_id.b.domain,
3345                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3346
3347                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3348                         /*
3349                          * Login succeeded.
3350                          */
3351                         if (retry) {
3352                                 /* A retry occurred before. */
3353                                 *next_loopid = tmp_loopid;
3354                         } else {
3355                                 /*
3356                                  * No retry occurred before. Just increment the
3357                                  * ID value for next login.
3358                                  */
3359                                 *next_loopid = (fcport->loop_id + 1);
3360                         }
3361
3362                         if (mb[1] & BIT_0) {
3363                                 fcport->port_type = FCT_INITIATOR;
3364                         } else {
3365                                 fcport->port_type = FCT_TARGET;
3366                                 if (mb[1] & BIT_1) {
3367                                         fcport->flags |= FCF_FCP2_DEVICE;
3368                                 }
3369                         }
3370
3371                         if (mb[10] & BIT_0)
3372                                 fcport->supported_classes |= FC_COS_CLASS2;
3373                         if (mb[10] & BIT_1)
3374                                 fcport->supported_classes |= FC_COS_CLASS3;
3375
3376                         rval = QLA_SUCCESS;
3377                         break;
3378                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3379                         /*
3380                          * Loop ID already used, try next loop ID.
3381                          */
3382                         fcport->loop_id++;
3383                         rval = qla2x00_find_new_loop_id(vha, fcport);
3384                         if (rval != QLA_SUCCESS) {
3385                                 /* Ran out of loop IDs to use */
3386                                 break;
3387                         }
3388                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3389                         /*
3390                          * Firmware possibly timed out during login. If NO
3391                          * retries are left to do then the device is declared
3392                          * dead.
3393                          */
3394                         *next_loopid = fcport->loop_id;
3395                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3396                             fcport->d_id.b.domain, fcport->d_id.b.area,
3397                             fcport->d_id.b.al_pa);
3398                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3399
3400                         rval = 1;
3401                         break;
3402                 } else {
3403                         /*
3404                          * unrecoverable / not handled error
3405                          */
3406                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3407                             "loop_id=%x jiffies=%lx.\n",
3408                             __func__, vha->host_no, mb[0],
3409                             fcport->d_id.b.domain, fcport->d_id.b.area,
3410                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3411
3412                         *next_loopid = fcport->loop_id;
3413                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3414                             fcport->d_id.b.domain, fcport->d_id.b.area,
3415                             fcport->d_id.b.al_pa);
3416                         fcport->loop_id = FC_NO_LOOP_ID;
3417                         fcport->login_retry = 0;
3418
3419                         rval = 3;
3420                         break;
3421                 }
3422         }
3423
3424         return (rval);
3425 }
3426
3427 /*
3428  * qla2x00_local_device_login
3429  *      Issue local device login command.
3430  *
3431  * Input:
3432  *      ha = adapter block pointer.
3433  *      loop_id = loop id of device to login to.
3434  *
3435  * Returns (Where's the #define!!!!):
3436  *      0 - Login successfully
3437  *      1 - Login failed
3438  *      3 - Fatal error
3439  */
3440 int
3441 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3442 {
3443         int             rval;
3444         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3445
3446         memset(mb, 0, sizeof(mb));
3447         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3448         if (rval == QLA_SUCCESS) {
3449                 /* Interrogate mailbox registers for any errors */
3450                 if (mb[0] == MBS_COMMAND_ERROR)
3451                         rval = 1;
3452                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3453                         /* device not in PCB table */
3454                         rval = 3;
3455         }
3456
3457         return (rval);
3458 }
3459
3460 /*
3461  *  qla2x00_loop_resync
3462  *      Resync with fibre channel devices.
3463  *
3464  * Input:
3465  *      ha = adapter block pointer.
3466  *
3467  * Returns:
3468  *      0 = success
3469  */
3470 int
3471 qla2x00_loop_resync(scsi_qla_host_t *vha)
3472 {
3473         int rval = QLA_SUCCESS;
3474         uint32_t wait_time;
3475         struct req_que *req;
3476         struct rsp_que *rsp;
3477
3478         if (vha->hw->flags.cpu_affinity_enabled)
3479                 req = vha->hw->req_q_map[0];
3480         else
3481                 req = vha->req;
3482         rsp = req->rsp;
3483
3484         atomic_set(&vha->loop_state, LOOP_UPDATE);
3485         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3486         if (vha->flags.online) {
3487                 if (!(rval = qla2x00_fw_ready(vha))) {
3488                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3489                         wait_time = 256;
3490                         do {
3491                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3492
3493                                 /* Issue a marker after FW becomes ready. */
3494                                 qla2x00_marker(vha, req, rsp, 0, 0,
3495                                         MK_SYNC_ALL);
3496                                 vha->marker_needed = 0;
3497
3498                                 /* Remap devices on Loop. */
3499                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3500
3501                                 qla2x00_configure_loop(vha);
3502                                 wait_time--;
3503                         } while (!atomic_read(&vha->loop_down_timer) &&
3504                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3505                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3506                                 &vha->dpc_flags)));
3507                 }
3508         }
3509
3510         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3511                 return (QLA_FUNCTION_FAILED);
3512
3513         if (rval)
3514                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3515
3516         return (rval);
3517 }
3518
3519 void
3520 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
3521 {
3522         fc_port_t *fcport;
3523         struct scsi_qla_host *tvp, *vha;
3524
3525         /* Go with deferred removal of rport references. */
3526         list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list)
3527                 list_for_each_entry(fcport, &vha->vp_fcports, list)
3528                         if (fcport && fcport->drport &&
3529                             atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3530                                 qla2x00_rport_del(fcport);
3531 }
3532
3533 /*
3534 *  qla2x00_abort_isp
3535 *      Resets ISP and aborts all outstanding commands.
3536 *
3537 * Input:
3538 *      ha           = adapter block pointer.
3539 *
3540 * Returns:
3541 *      0 = success
3542 */
3543 int
3544 qla2x00_abort_isp(scsi_qla_host_t *vha)
3545 {
3546         int rval;
3547         uint8_t        status = 0;
3548         struct qla_hw_data *ha = vha->hw;
3549         struct scsi_qla_host *vp;
3550         struct scsi_qla_host *tvp;
3551         struct req_que *req = ha->req_q_map[0];
3552
3553         if (vha->flags.online) {
3554                 vha->flags.online = 0;
3555                 ha->flags.chip_reset_done = 0;
3556                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3557                 ha->qla_stats.total_isp_aborts++;
3558
3559                 qla_printk(KERN_INFO, ha,
3560                     "Performing ISP error recovery - ha= %p.\n", ha);
3561                 ha->isp_ops->reset_chip(vha);
3562
3563                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3564                 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3565                         atomic_set(&vha->loop_state, LOOP_DOWN);
3566                         qla2x00_mark_all_devices_lost(vha, 0);
3567                 } else {
3568                         if (!atomic_read(&vha->loop_down_timer))
3569                                 atomic_set(&vha->loop_down_timer,
3570                                     LOOP_DOWN_TIME);
3571                 }
3572
3573                 /* Requeue all commands in outstanding command list. */
3574                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3575
3576                 if (unlikely(pci_channel_offline(ha->pdev) &&
3577                     ha->flags.pci_channel_io_perm_failure)) {
3578                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3579                         status = 0;
3580                         return status;
3581                 }
3582
3583                 ha->isp_ops->get_flash_version(vha, req->ring);
3584
3585                 ha->isp_ops->nvram_config(vha);
3586
3587                 if (!qla2x00_restart_isp(vha)) {
3588                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3589
3590                         if (!atomic_read(&vha->loop_down_timer)) {
3591                                 /*
3592                                  * Issue marker command only when we are going
3593                                  * to start the I/O .
3594                                  */
3595                                 vha->marker_needed = 1;
3596                         }
3597
3598                         vha->flags.online = 1;
3599
3600                         ha->isp_ops->enable_intrs(ha);
3601
3602                         ha->isp_abort_cnt = 0;
3603                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3604
3605                         if (IS_QLA81XX(ha))
3606                                 qla2x00_get_fw_version(vha,
3607                                     &ha->fw_major_version,
3608                                     &ha->fw_minor_version,
3609                                     &ha->fw_subminor_version,
3610                                     &ha->fw_attributes, &ha->fw_memory_size,
3611                                     ha->mpi_version, &ha->mpi_capabilities,
3612                                     ha->phy_version);
3613
3614                         if (ha->fce) {
3615                                 ha->flags.fce_enabled = 1;
3616                                 memset(ha->fce, 0,
3617                                     fce_calc_size(ha->fce_bufs));
3618                                 rval = qla2x00_enable_fce_trace(vha,
3619                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3620                                     &ha->fce_bufs);
3621                                 if (rval) {
3622                                         qla_printk(KERN_WARNING, ha,
3623                                             "Unable to reinitialize FCE "
3624                                             "(%d).\n", rval);
3625                                         ha->flags.fce_enabled = 0;
3626                                 }
3627                         }
3628
3629                         if (ha->eft) {
3630                                 memset(ha->eft, 0, EFT_SIZE);
3631                                 rval = qla2x00_enable_eft_trace(vha,
3632                                     ha->eft_dma, EFT_NUM_BUFFERS);
3633                                 if (rval) {
3634                                         qla_printk(KERN_WARNING, ha,
3635                                             "Unable to reinitialize EFT "
3636                                             "(%d).\n", rval);
3637                                 }
3638                         }
3639                 } else {        /* failed the ISP abort */
3640                         vha->flags.online = 1;
3641                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3642                                 if (ha->isp_abort_cnt == 0) {
3643                                         qla_printk(KERN_WARNING, ha,
3644                                             "ISP error recovery failed - "
3645                                             "board disabled\n");
3646                                         /*
3647                                          * The next call disables the board
3648                                          * completely.
3649                                          */
3650                                         ha->isp_ops->reset_adapter(vha);
3651                                         vha->flags.online = 0;
3652                                         clear_bit(ISP_ABORT_RETRY,
3653                                             &vha->dpc_flags);
3654                                         status = 0;
3655                                 } else { /* schedule another ISP abort */
3656                                         ha->isp_abort_cnt--;
3657                                         DEBUG(printk("qla%ld: ISP abort - "
3658                                             "retry remaining %d\n",
3659                                             vha->host_no, ha->isp_abort_cnt));
3660                                         status = 1;
3661                                 }
3662                         } else {
3663                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3664                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3665                                     "- retrying (%d) more times\n",
3666                                     vha->host_no, ha->isp_abort_cnt));
3667                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3668                                 status = 1;
3669                         }
3670                 }
3671
3672         }
3673
3674         if (!status) {
3675                 DEBUG(printk(KERN_INFO
3676                                 "qla2x00_abort_isp(%ld): succeeded.\n",
3677                                 vha->host_no));
3678                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3679                         if (vp->vp_idx)
3680                                 qla2x00_vp_abort_isp(vp);
3681                 }
3682         } else {
3683                 qla_printk(KERN_INFO, ha,
3684                         "qla2x00_abort_isp: **** FAILED ****\n");
3685         }
3686
3687         return(status);
3688 }
3689
3690 /*
3691 *  qla2x00_restart_isp
3692 *      restarts the ISP after a reset
3693 *
3694 * Input:
3695 *      ha = adapter block pointer.
3696 *
3697 * Returns:
3698 *      0 = success
3699 */
3700 static int
3701 qla2x00_restart_isp(scsi_qla_host_t *vha)
3702 {
3703         int status = 0;
3704         uint32_t wait_time;
3705         struct qla_hw_data *ha = vha->hw;
3706         struct req_que *req = ha->req_q_map[0];
3707         struct rsp_que *rsp = ha->rsp_q_map[0];
3708
3709         /* If firmware needs to be loaded */
3710         if (qla2x00_isp_firmware(vha)) {
3711                 vha->flags.online = 0;
3712                 status = ha->isp_ops->chip_diag(vha);
3713                 if (!status)
3714                         status = qla2x00_setup_chip(vha);
3715         }
3716
3717         if (!status && !(status = qla2x00_init_rings(vha))) {
3718                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3719                 ha->flags.chip_reset_done = 1;
3720                 /* Initialize the queues in use */
3721                 qla25xx_init_queues(ha);
3722
3723                 status = qla2x00_fw_ready(vha);
3724                 if (!status) {
3725                         DEBUG(printk("%s(): Start configure loop, "
3726                             "status = %d\n", __func__, status));
3727
3728                         /* Issue a marker after FW becomes ready. */
3729                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3730
3731                         vha->flags.online = 1;
3732                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3733                         wait_time = 256;
3734                         do {
3735                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3736                                 qla2x00_configure_loop(vha);
3737                                 wait_time--;
3738                         } while (!atomic_read(&vha->loop_down_timer) &&
3739                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3740                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3741                                 &vha->dpc_flags)));
3742                 }
3743
3744                 /* if no cable then assume it's good */
3745                 if ((vha->device_flags & DFLG_NO_CABLE))
3746                         status = 0;
3747
3748                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3749                                 __func__,
3750                                 status));
3751         }
3752         return (status);
3753 }
3754
3755 static int
3756 qla25xx_init_queues(struct qla_hw_data *ha)
3757 {
3758         struct rsp_que *rsp = NULL;
3759         struct req_que *req = NULL;
3760         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3761         int ret = -1;
3762         int i;
3763
3764         for (i = 1; i < ha->max_rsp_queues; i++) {
3765                 rsp = ha->rsp_q_map[i];
3766                 if (rsp) {
3767                         rsp->options &= ~BIT_0;
3768                         ret = qla25xx_init_rsp_que(base_vha, rsp);
3769                         if (ret != QLA_SUCCESS)
3770                                 DEBUG2_17(printk(KERN_WARNING
3771                                         "%s Rsp que:%d init failed\n", __func__,
3772                                                 rsp->id));
3773                         else
3774                                 DEBUG2_17(printk(KERN_INFO
3775                                         "%s Rsp que:%d inited\n", __func__,
3776                                                 rsp->id));
3777                 }
3778         }
3779         for (i = 1; i < ha->max_req_queues; i++) {
3780                 req = ha->req_q_map[i];
3781                 if (req) {
3782                 /* Clear outstanding commands array. */
3783                         req->options &= ~BIT_0;
3784                         ret = qla25xx_init_req_que(base_vha, req);
3785                         if (ret != QLA_SUCCESS)
3786                                 DEBUG2_17(printk(KERN_WARNING
3787                                         "%s Req que:%d init failed\n", __func__,
3788                                                 req->id));
3789                         else
3790                                 DEBUG2_17(printk(KERN_WARNING
3791                                         "%s Req que:%d inited\n", __func__,
3792                                                 req->id));
3793                 }
3794         }
3795         return ret;
3796 }
3797
3798 /*
3799 * qla2x00_reset_adapter
3800 *      Reset adapter.
3801 *
3802 * Input:
3803 *      ha = adapter block pointer.
3804 */
3805 void
3806 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3807 {
3808         unsigned long flags = 0;
3809         struct qla_hw_data *ha = vha->hw;
3810         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3811
3812         vha->flags.online = 0;
3813         ha->isp_ops->disable_intrs(ha);
3814
3815         spin_lock_irqsave(&ha->hardware_lock, flags);
3816         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3817         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3818         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3819         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3820         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3821 }
3822
3823 void
3824 qla24xx_reset_adapter(scsi_qla_host_t *vha)
3825 {
3826         unsigned long flags = 0;
3827         struct qla_hw_data *ha = vha->hw;
3828         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3829
3830         vha->flags.online = 0;
3831         ha->isp_ops->disable_intrs(ha);
3832
3833         spin_lock_irqsave(&ha->hardware_lock, flags);
3834         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3835         RD_REG_DWORD(&reg->hccr);
3836         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3837         RD_REG_DWORD(&reg->hccr);
3838         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3839
3840         if (IS_NOPOLLING_TYPE(ha))
3841                 ha->isp_ops->enable_intrs(ha);
3842 }
3843
3844 /* On sparc systems, obtain port and node WWN from firmware
3845  * properties.
3846  */
3847 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3848         struct nvram_24xx *nv)
3849 {
3850 #ifdef CONFIG_SPARC
3851         struct qla_hw_data *ha = vha->hw;
3852         struct pci_dev *pdev = ha->pdev;
3853         struct device_node *dp = pci_device_to_OF_node(pdev);
3854         const u8 *val;
3855         int len;
3856
3857         val = of_get_property(dp, "port-wwn", &len);
3858         if (val && len >= WWN_SIZE)
3859                 memcpy(nv->port_name, val, WWN_SIZE);
3860
3861         val = of_get_property(dp, "node-wwn", &len);
3862         if (val && len >= WWN_SIZE)
3863                 memcpy(nv->node_name, val, WWN_SIZE);
3864 #endif
3865 }
3866
3867 int
3868 qla24xx_nvram_config(scsi_qla_host_t *vha)
3869 {
3870         int   rval;
3871         struct init_cb_24xx *icb;
3872         struct nvram_24xx *nv;
3873         uint32_t *dptr;
3874         uint8_t  *dptr1, *dptr2;
3875         uint32_t chksum;
3876         uint16_t cnt;
3877         struct qla_hw_data *ha = vha->hw;
3878
3879         rval = QLA_SUCCESS;
3880         icb = (struct init_cb_24xx *)ha->init_cb;
3881         nv = ha->nvram;
3882
3883         /* Determine NVRAM starting address. */
3884         if (ha->flags.port0) {
3885                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3886                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3887         } else {
3888                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3889                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3890         }
3891         ha->nvram_size = sizeof(struct nvram_24xx);
3892         ha->vpd_size = FA_NVRAM_VPD_SIZE;
3893
3894         /* Get VPD data into cache */
3895         ha->vpd = ha->nvram + VPD_OFFSET;
3896         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3897             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3898
3899         /* Get NVRAM data into cache and calculate checksum. */
3900         dptr = (uint32_t *)nv;
3901         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3902             ha->nvram_size);
3903         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3904                 chksum += le32_to_cpu(*dptr++);
3905
3906         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3907         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3908
3909         /* Bad NVRAM data, set defaults parameters. */
3910         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3911             || nv->id[3] != ' ' ||
3912             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3913                 /* Reset NVRAM data. */
3914                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3915                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3916                     le16_to_cpu(nv->nvram_version));
3917                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3918                     "invalid -- WWPN) defaults.\n");
3919
3920                 /*
3921                  * Set default initialization control block.
3922                  */
3923                 memset(nv, 0, ha->nvram_size);
3924                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3925                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3926                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3927                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3928                 nv->exchange_count = __constant_cpu_to_le16(0);
3929                 nv->hard_address = __constant_cpu_to_le16(124);
3930                 nv->port_name[0] = 0x21;
3931                 nv->port_name[1] = 0x00 + ha->port_no;
3932                 nv->port_name[2] = 0x00;
3933                 nv->port_name[3] = 0xe0;
3934                 nv->port_name[4] = 0x8b;
3935                 nv->port_name[5] = 0x1c;
3936                 nv->port_name[6] = 0x55;
3937                 nv->port_name[7] = 0x86;
3938                 nv->node_name[0] = 0x20;
3939                 nv->node_name[1] = 0x00;
3940                 nv->node_name[2] = 0x00;
3941                 nv->node_name[3] = 0xe0;
3942                 nv->node_name[4] = 0x8b;
3943                 nv->node_name[5] = 0x1c;
3944                 nv->node_name[6] = 0x55;
3945                 nv->node_name[7] = 0x86;
3946                 qla24xx_nvram_wwn_from_ofw(vha, nv);
3947                 nv->login_retry_count = __constant_cpu_to_le16(8);
3948                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3949                 nv->login_timeout = __constant_cpu_to_le16(0);
3950                 nv->firmware_options_1 =
3951                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3952                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3953                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3954                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3955                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3956                 nv->efi_parameters = __constant_cpu_to_le32(0);
3957                 nv->reset_delay = 5;
3958                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3959                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3960                 nv->link_down_timeout = __constant_cpu_to_le16(30);
3961
3962                 rval = 1;
3963         }
3964
3965         /* Reset Initialization control block */
3966         memset(icb, 0, ha->init_cb_size);
3967
3968         /* Copy 1st segment. */
3969         dptr1 = (uint8_t *)icb;
3970         dptr2 = (uint8_t *)&nv->version;
3971         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3972         while (cnt--)
3973                 *dptr1++ = *dptr2++;
3974
3975         icb->login_retry_count = nv->login_retry_count;
3976         icb->link_down_on_nos = nv->link_down_on_nos;
3977
3978         /* Copy 2nd segment. */
3979         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3980         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3981         cnt = (uint8_t *)&icb->reserved_3 -
3982             (uint8_t *)&icb->interrupt_delay_timer;
3983         while (cnt--)
3984                 *dptr1++ = *dptr2++;
3985
3986         /*
3987          * Setup driver NVRAM options.
3988          */
3989         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
3990             "QLA2462");
3991
3992         /* Use alternate WWN? */
3993         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3994                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3995                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3996         }
3997
3998         /* Prepare nodename */
3999         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4000                 /*
4001                  * Firmware will apply the following mask if the nodename was
4002                  * not provided.
4003                  */
4004                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4005                 icb->node_name[0] &= 0xF0;
4006         }
4007
4008         /* Set host adapter parameters. */
4009         ha->flags.disable_risc_code_load = 0;
4010         ha->flags.enable_lip_reset = 0;
4011         ha->flags.enable_lip_full_login =
4012             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4013         ha->flags.enable_target_reset =
4014             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4015         ha->flags.enable_led_scheme = 0;
4016         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4017
4018         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4019             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4020
4021         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4022             sizeof(ha->fw_seriallink_options24));
4023
4024         /* save HBA serial number */
4025         ha->serial0 = icb->port_name[5];
4026         ha->serial1 = icb->port_name[6];
4027         ha->serial2 = icb->port_name[7];
4028         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4029         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4030
4031         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4032
4033         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4034
4035         /* Set minimum login_timeout to 4 seconds. */
4036         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4037                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4038         if (le16_to_cpu(nv->login_timeout) < 4)
4039                 nv->login_timeout = __constant_cpu_to_le16(4);
4040         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4041         icb->login_timeout = nv->login_timeout;
4042
4043         /* Set minimum RATOV to 100 tenths of a second. */
4044         ha->r_a_tov = 100;
4045
4046         ha->loop_reset_delay = nv->reset_delay;
4047
4048         /* Link Down Timeout = 0:
4049          *
4050          *      When Port Down timer expires we will start returning
4051          *      I/O's to OS with "DID_NO_CONNECT".
4052          *
4053          * Link Down Timeout != 0:
4054          *
4055          *       The driver waits for the link to come up after link down
4056          *       before returning I/Os to OS with "DID_NO_CONNECT".
4057          */
4058         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4059                 ha->loop_down_abort_time =
4060                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4061         } else {
4062                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4063                 ha->loop_down_abort_time =
4064                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4065         }
4066
4067         /* Need enough time to try and get the port back. */
4068         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4069         if (qlport_down_retry)
4070                 ha->port_down_retry_count = qlport_down_retry;
4071
4072         /* Set login_retry_count */
4073         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4074         if (ha->port_down_retry_count ==
4075             le16_to_cpu(nv->port_down_retry_count) &&
4076             ha->port_down_retry_count > 3)
4077                 ha->login_retry_count = ha->port_down_retry_count;
4078         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4079                 ha->login_retry_count = ha->port_down_retry_count;
4080         if (ql2xloginretrycount)
4081                 ha->login_retry_count = ql2xloginretrycount;
4082
4083         /* Enable ZIO. */
4084         if (!vha->flags.init_done) {
4085                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4086                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4087                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4088                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4089         }
4090         icb->firmware_options_2 &= __constant_cpu_to_le32(
4091             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4092         vha->flags.process_response_queue = 0;
4093         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4094                 ha->zio_mode = QLA_ZIO_MODE_6;
4095
4096                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4097                     "(%d us).\n", vha->host_no, ha->zio_mode,
4098                     ha->zio_timer * 100));
4099                 qla_printk(KERN_INFO, ha,
4100                     "ZIO mode %d enabled; timer delay (%d us).\n",
4101                     ha->zio_mode, ha->zio_timer * 100);
4102
4103                 icb->firmware_options_2 |= cpu_to_le32(
4104                     (uint32_t)ha->zio_mode);
4105                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4106                 vha->flags.process_response_queue = 1;
4107         }
4108
4109         if (rval) {
4110                 DEBUG2_3(printk(KERN_WARNING
4111                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4112         }
4113         return (rval);
4114 }
4115
4116 static int
4117 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4118     uint32_t faddr)
4119 {
4120         int     rval = QLA_SUCCESS;
4121         int     segments, fragment;
4122         uint32_t *dcode, dlen;
4123         uint32_t risc_addr;
4124         uint32_t risc_size;
4125         uint32_t i;
4126         struct qla_hw_data *ha = vha->hw;
4127         struct req_que *req = ha->req_q_map[0];
4128
4129         qla_printk(KERN_INFO, ha,
4130             "FW: Loading from flash (%x)...\n", faddr);
4131
4132         rval = QLA_SUCCESS;
4133
4134         segments = FA_RISC_CODE_SEGMENTS;
4135         dcode = (uint32_t *)req->ring;
4136         *srisc_addr = 0;
4137
4138         /* Validate firmware image by checking version. */
4139         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
4140         for (i = 0; i < 4; i++)
4141                 dcode[i] = be32_to_cpu(dcode[i]);
4142         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4143             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4144             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4145                 dcode[3] == 0)) {
4146                 qla_printk(KERN_WARNING, ha,
4147                     "Unable to verify integrity of flash firmware image!\n");
4148                 qla_printk(KERN_WARNING, ha,
4149                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4150                     dcode[1], dcode[2], dcode[3]);
4151
4152                 return QLA_FUNCTION_FAILED;
4153         }
4154
4155         while (segments && rval == QLA_SUCCESS) {
4156                 /* Read segment's load information. */
4157                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
4158
4159                 risc_addr = be32_to_cpu(dcode[2]);
4160                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4161                 risc_size = be32_to_cpu(dcode[3]);
4162
4163                 fragment = 0;
4164                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4165                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4166                         if (dlen > risc_size)
4167                                 dlen = risc_size;
4168
4169                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4170                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
4171                             vha->host_no, risc_addr, dlen, faddr));
4172
4173                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
4174                         for (i = 0; i < dlen; i++)
4175                                 dcode[i] = swab32(dcode[i]);
4176
4177                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4178                             dlen);
4179                         if (rval) {
4180                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4181                                     "segment %d of firmware\n", vha->host_no,
4182                                     fragment));
4183                                 qla_printk(KERN_WARNING, ha,
4184                                     "[ERROR] Failed to load segment %d of "
4185                                     "firmware\n", fragment);
4186                                 break;
4187                         }
4188
4189                         faddr += dlen;
4190                         risc_addr += dlen;
4191                         risc_size -= dlen;
4192                         fragment++;
4193                 }
4194
4195                 /* Next segment. */
4196                 segments--;
4197         }
4198
4199         return rval;
4200 }
4201
4202 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4203
4204 int
4205 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4206 {
4207         int     rval;
4208         int     i, fragment;
4209         uint16_t *wcode, *fwcode;
4210         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4211         struct fw_blob *blob;
4212         struct qla_hw_data *ha = vha->hw;
4213         struct req_que *req = ha->req_q_map[0];
4214
4215         /* Load firmware blob. */
4216         blob = qla2x00_request_firmware(vha);
4217         if (!blob) {
4218                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4219                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4220                     "from: " QLA_FW_URL ".\n");
4221                 return QLA_FUNCTION_FAILED;
4222         }
4223
4224         rval = QLA_SUCCESS;
4225
4226         wcode = (uint16_t *)req->ring;
4227         *srisc_addr = 0;
4228         fwcode = (uint16_t *)blob->fw->data;
4229         fwclen = 0;
4230
4231         /* Validate firmware image by checking version. */
4232         if (blob->fw->size < 8 * sizeof(uint16_t)) {
4233                 qla_printk(KERN_WARNING, ha,
4234                     "Unable to verify integrity of firmware image (%Zd)!\n",
4235                     blob->fw->size);
4236                 goto fail_fw_integrity;
4237         }
4238         for (i = 0; i < 4; i++)
4239                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4240         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4241             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4242                 wcode[2] == 0 && wcode[3] == 0)) {
4243                 qla_printk(KERN_WARNING, ha,
4244                     "Unable to verify integrity of firmware image!\n");
4245                 qla_printk(KERN_WARNING, ha,
4246                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4247                     wcode[1], wcode[2], wcode[3]);
4248                 goto fail_fw_integrity;
4249         }
4250
4251         seg = blob->segs;
4252         while (*seg && rval == QLA_SUCCESS) {
4253                 risc_addr = *seg;
4254                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4255                 risc_size = be16_to_cpu(fwcode[3]);
4256
4257                 /* Validate firmware image size. */
4258                 fwclen += risc_size * sizeof(uint16_t);
4259                 if (blob->fw->size < fwclen) {
4260                         qla_printk(KERN_WARNING, ha,
4261                             "Unable to verify integrity of firmware image "
4262                             "(%Zd)!\n", blob->fw->size);
4263                         goto fail_fw_integrity;
4264                 }
4265
4266                 fragment = 0;
4267                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4268                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4269                         if (wlen > risc_size)
4270                                 wlen = risc_size;
4271
4272                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4273                             "addr %x, number of words 0x%x.\n", vha->host_no,
4274                             risc_addr, wlen));
4275
4276                         for (i = 0; i < wlen; i++)
4277                                 wcode[i] = swab16(fwcode[i]);
4278
4279                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4280                             wlen);
4281                         if (rval) {
4282                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4283                                     "segment %d of firmware\n", vha->host_no,
4284                                     fragment));
4285                                 qla_printk(KERN_WARNING, ha,
4286                                     "[ERROR] Failed to load segment %d of "
4287                                     "firmware\n", fragment);
4288                                 break;
4289                         }
4290
4291                         fwcode += wlen;
4292                         risc_addr += wlen;
4293                         risc_size -= wlen;
4294                         fragment++;
4295                 }
4296
4297                 /* Next segment. */
4298                 seg++;
4299         }
4300         return rval;
4301
4302 fail_fw_integrity:
4303         return QLA_FUNCTION_FAILED;
4304 }
4305
4306 static int
4307 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4308 {
4309         int     rval;
4310         int     segments, fragment;
4311         uint32_t *dcode, dlen;
4312         uint32_t risc_addr;
4313         uint32_t risc_size;
4314         uint32_t i;
4315         struct fw_blob *blob;
4316         uint32_t *fwcode, fwclen;
4317         struct qla_hw_data *ha = vha->hw;
4318         struct req_que *req = ha->req_q_map[0];
4319
4320         /* Load firmware blob. */
4321         blob = qla2x00_request_firmware(vha);
4322         if (!blob) {
4323                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4324                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4325                     "from: " QLA_FW_URL ".\n");
4326
4327                 return QLA_FUNCTION_FAILED;
4328         }
4329
4330         qla_printk(KERN_INFO, ha,
4331             "FW: Loading via request-firmware...\n");
4332
4333         rval = QLA_SUCCESS;
4334
4335         segments = FA_RISC_CODE_SEGMENTS;
4336         dcode = (uint32_t *)req->ring;
4337         *srisc_addr = 0;
4338         fwcode = (uint32_t *)blob->fw->data;
4339         fwclen = 0;
4340
4341         /* Validate firmware image by checking version. */
4342         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4343                 qla_printk(KERN_WARNING, ha,
4344                     "Unable to verify integrity of firmware image (%Zd)!\n",
4345                     blob->fw->size);
4346                 goto fail_fw_integrity;
4347         }
4348         for (i = 0; i < 4; i++)
4349                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4350         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4351             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4352             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4353                 dcode[3] == 0)) {
4354                 qla_printk(KERN_WARNING, ha,
4355                     "Unable to verify integrity of firmware image!\n");
4356                 qla_printk(KERN_WARNING, ha,
4357                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4358                     dcode[1], dcode[2], dcode[3]);
4359                 goto fail_fw_integrity;
4360         }
4361
4362         while (segments && rval == QLA_SUCCESS) {
4363                 risc_addr = be32_to_cpu(fwcode[2]);
4364                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4365                 risc_size = be32_to_cpu(fwcode[3]);
4366
4367                 /* Validate firmware image size. */
4368                 fwclen += risc_size * sizeof(uint32_t);
4369                 if (blob->fw->size < fwclen) {
4370                         qla_printk(KERN_WARNING, ha,
4371                             "Unable to verify integrity of firmware image "
4372                             "(%Zd)!\n", blob->fw->size);
4373
4374                         goto fail_fw_integrity;
4375                 }
4376
4377                 fragment = 0;
4378                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4379                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4380                         if (dlen > risc_size)
4381                                 dlen = risc_size;
4382
4383                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4384                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4385                             risc_addr, dlen));
4386
4387                         for (i = 0; i < dlen; i++)
4388                                 dcode[i] = swab32(fwcode[i]);
4389
4390                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4391                             dlen);
4392                         if (rval) {
4393                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4394                                     "segment %d of firmware\n", vha->host_no,
4395                                     fragment));
4396                                 qla_printk(KERN_WARNING, ha,
4397                                     "[ERROR] Failed to load segment %d of "
4398                                     "firmware\n", fragment);
4399                                 break;
4400                         }
4401
4402                         fwcode += dlen;
4403                         risc_addr += dlen;
4404                         risc_size -= dlen;
4405                         fragment++;
4406                 }
4407
4408                 /* Next segment. */
4409                 segments--;
4410         }
4411         return rval;
4412
4413 fail_fw_integrity:
4414         return QLA_FUNCTION_FAILED;
4415 }
4416
4417 int
4418 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4419 {
4420         int rval;
4421
4422         if (ql2xfwloadbin == 1)
4423                 return qla81xx_load_risc(vha, srisc_addr);
4424
4425         /*
4426          * FW Load priority:
4427          * 1) Firmware via request-firmware interface (.bin file).
4428          * 2) Firmware residing in flash.
4429          */
4430         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4431         if (rval == QLA_SUCCESS)
4432                 return rval;
4433
4434         return qla24xx_load_risc_flash(vha, srisc_addr,
4435             vha->hw->flt_region_fw);
4436 }
4437
4438 int
4439 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4440 {
4441         int rval;
4442         struct qla_hw_data *ha = vha->hw;
4443
4444         if (ql2xfwloadbin == 2)
4445                 goto try_blob_fw;
4446
4447         /*
4448          * FW Load priority:
4449          * 1) Firmware residing in flash.
4450          * 2) Firmware via request-firmware interface (.bin file).
4451          * 3) Golden-Firmware residing in flash -- limited operation.
4452          */
4453         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4454         if (rval == QLA_SUCCESS)
4455                 return rval;
4456
4457 try_blob_fw:
4458         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4459         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4460                 return rval;
4461
4462         qla_printk(KERN_ERR, ha,
4463             "FW: Attempting to fallback to golden firmware...\n");
4464         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4465         if (rval != QLA_SUCCESS)
4466                 return rval;
4467
4468         qla_printk(KERN_ERR, ha,
4469             "FW: Please update operational firmware...\n");
4470         ha->flags.running_gold_fw = 1;
4471
4472         return rval;
4473 }
4474
4475 void
4476 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4477 {
4478         int ret, retries;
4479         struct qla_hw_data *ha = vha->hw;
4480
4481         if (ha->flags.pci_channel_io_perm_failure)
4482                 return;
4483         if (!IS_FWI2_CAPABLE(ha))
4484                 return;
4485         if (!ha->fw_major_version)
4486                 return;
4487
4488         ret = qla2x00_stop_firmware(vha);
4489         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4490             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4491                 ha->isp_ops->reset_chip(vha);
4492                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4493                         continue;
4494                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4495                         continue;
4496                 qla_printk(KERN_INFO, ha,
4497                     "Attempting retry of stop-firmware command...\n");
4498                 ret = qla2x00_stop_firmware(vha);
4499         }
4500 }
4501
4502 int
4503 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4504 {
4505         int rval = QLA_SUCCESS;
4506         uint16_t mb[MAILBOX_REGISTER_COUNT];
4507         struct qla_hw_data *ha = vha->hw;
4508         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4509         struct req_que *req;
4510         struct rsp_que *rsp;
4511
4512         if (!vha->vp_idx)
4513                 return -EINVAL;
4514
4515         rval = qla2x00_fw_ready(base_vha);
4516         if (ha->flags.cpu_affinity_enabled)
4517                 req = ha->req_q_map[0];
4518         else
4519                 req = vha->req;
4520         rsp = req->rsp;
4521
4522         if (rval == QLA_SUCCESS) {
4523                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4524                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4525         }
4526
4527         vha->flags.management_server_logged_in = 0;
4528
4529         /* Login to SNS first */
4530         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4531         if (mb[0] != MBS_COMMAND_COMPLETE) {
4532                 DEBUG15(qla_printk(KERN_INFO, ha,
4533                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4534                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4535                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4536                 return (QLA_FUNCTION_FAILED);
4537         }
4538
4539         atomic_set(&vha->loop_down_timer, 0);
4540         atomic_set(&vha->loop_state, LOOP_UP);
4541         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4542         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4543         rval = qla2x00_loop_resync(base_vha);
4544
4545         return rval;
4546 }
4547
4548 /* 84XX Support **************************************************************/
4549
4550 static LIST_HEAD(qla_cs84xx_list);
4551 static DEFINE_MUTEX(qla_cs84xx_mutex);
4552
4553 static struct qla_chip_state_84xx *
4554 qla84xx_get_chip(struct scsi_qla_host *vha)
4555 {
4556         struct qla_chip_state_84xx *cs84xx;
4557         struct qla_hw_data *ha = vha->hw;
4558
4559         mutex_lock(&qla_cs84xx_mutex);
4560
4561         /* Find any shared 84xx chip. */
4562         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4563                 if (cs84xx->bus == ha->pdev->bus) {
4564                         kref_get(&cs84xx->kref);
4565                         goto done;
4566                 }
4567         }
4568
4569         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4570         if (!cs84xx)
4571                 goto done;
4572
4573         kref_init(&cs84xx->kref);
4574         spin_lock_init(&cs84xx->access_lock);
4575         mutex_init(&cs84xx->fw_update_mutex);
4576         cs84xx->bus = ha->pdev->bus;
4577
4578         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4579 done:
4580         mutex_unlock(&qla_cs84xx_mutex);
4581         return cs84xx;
4582 }
4583
4584 static void
4585 __qla84xx_chip_release(struct kref *kref)
4586 {
4587         struct qla_chip_state_84xx *cs84xx =
4588             container_of(kref, struct qla_chip_state_84xx, kref);
4589
4590         mutex_lock(&qla_cs84xx_mutex);
4591         list_del(&cs84xx->list);
4592         mutex_unlock(&qla_cs84xx_mutex);
4593         kfree(cs84xx);
4594 }
4595
4596 void
4597 qla84xx_put_chip(struct scsi_qla_host *vha)
4598 {
4599         struct qla_hw_data *ha = vha->hw;
4600         if (ha->cs84xx)
4601                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4602 }
4603
4604 static int
4605 qla84xx_init_chip(scsi_qla_host_t *vha)
4606 {
4607         int rval;
4608         uint16_t status[2];
4609         struct qla_hw_data *ha = vha->hw;
4610
4611         mutex_lock(&ha->cs84xx->fw_update_mutex);
4612
4613         rval = qla84xx_verify_chip(vha, status);
4614
4615         mutex_unlock(&ha->cs84xx->fw_update_mutex);
4616
4617         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4618             QLA_SUCCESS;
4619 }
4620
4621 /* 81XX Support **************************************************************/
4622
4623 int
4624 qla81xx_nvram_config(scsi_qla_host_t *vha)
4625 {
4626         int   rval;
4627         struct init_cb_81xx *icb;
4628         struct nvram_81xx *nv;
4629         uint32_t *dptr;
4630         uint8_t  *dptr1, *dptr2;
4631         uint32_t chksum;
4632         uint16_t cnt;
4633         struct qla_hw_data *ha = vha->hw;
4634
4635         rval = QLA_SUCCESS;
4636         icb = (struct init_cb_81xx *)ha->init_cb;
4637         nv = ha->nvram;
4638
4639         /* Determine NVRAM starting address. */
4640         ha->nvram_size = sizeof(struct nvram_81xx);
4641         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4642
4643         /* Get VPD data into cache */
4644         ha->vpd = ha->nvram + VPD_OFFSET;
4645         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4646             ha->vpd_size);
4647
4648         /* Get NVRAM data into cache and calculate checksum. */
4649         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
4650             ha->nvram_size);
4651         dptr = (uint32_t *)nv;
4652         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4653                 chksum += le32_to_cpu(*dptr++);
4654
4655         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4656         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4657
4658         /* Bad NVRAM data, set defaults parameters. */
4659         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4660             || nv->id[3] != ' ' ||
4661             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4662                 /* Reset NVRAM data. */
4663                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4664                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4665                     le16_to_cpu(nv->nvram_version));
4666                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4667                     "invalid -- WWPN) defaults.\n");
4668
4669                 /*
4670                  * Set default initialization control block.
4671                  */
4672                 memset(nv, 0, ha->nvram_size);
4673                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4674                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4675                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4676                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4677                 nv->exchange_count = __constant_cpu_to_le16(0);
4678                 nv->port_name[0] = 0x21;
4679                 nv->port_name[1] = 0x00 + ha->port_no;
4680                 nv->port_name[2] = 0x00;
4681                 nv->port_name[3] = 0xe0;
4682                 nv->port_name[4] = 0x8b;
4683                 nv->port_name[5] = 0x1c;
4684                 nv->port_name[6] = 0x55;
4685                 nv->port_name[7] = 0x86;
4686                 nv->node_name[0] = 0x20;
4687                 nv->node_name[1] = 0x00;
4688                 nv->node_name[2] = 0x00;
4689                 nv->node_name[3] = 0xe0;
4690                 nv->node_name[4] = 0x8b;
4691                 nv->node_name[5] = 0x1c;
4692                 nv->node_name[6] = 0x55;
4693                 nv->node_name[7] = 0x86;
4694                 nv->login_retry_count = __constant_cpu_to_le16(8);
4695                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4696                 nv->login_timeout = __constant_cpu_to_le16(0);
4697                 nv->firmware_options_1 =
4698                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4699                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4700                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4701                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4702                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4703                 nv->efi_parameters = __constant_cpu_to_le32(0);
4704                 nv->reset_delay = 5;
4705                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4706                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4707                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4708                 nv->enode_mac[0] = 0x00;
4709                 nv->enode_mac[1] = 0x02;
4710                 nv->enode_mac[2] = 0x03;
4711                 nv->enode_mac[3] = 0x04;
4712                 nv->enode_mac[4] = 0x05;
4713                 nv->enode_mac[5] = 0x06 + ha->port_no;
4714
4715                 rval = 1;
4716         }
4717
4718         /* Reset Initialization control block */
4719         memset(icb, 0, sizeof(struct init_cb_81xx));
4720
4721         /* Copy 1st segment. */
4722         dptr1 = (uint8_t *)icb;
4723         dptr2 = (uint8_t *)&nv->version;
4724         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4725         while (cnt--)
4726                 *dptr1++ = *dptr2++;
4727
4728         icb->login_retry_count = nv->login_retry_count;
4729
4730         /* Copy 2nd segment. */
4731         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4732         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4733         cnt = (uint8_t *)&icb->reserved_5 -
4734             (uint8_t *)&icb->interrupt_delay_timer;
4735         while (cnt--)
4736                 *dptr1++ = *dptr2++;
4737
4738         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4739         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4740         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4741                 icb->enode_mac[0] = 0x01;
4742                 icb->enode_mac[1] = 0x02;
4743                 icb->enode_mac[2] = 0x03;
4744                 icb->enode_mac[3] = 0x04;
4745                 icb->enode_mac[4] = 0x05;
4746                 icb->enode_mac[5] = 0x06 + ha->port_no;
4747         }
4748
4749         /* Use extended-initialization control block. */
4750         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4751
4752         /*
4753          * Setup driver NVRAM options.
4754          */
4755         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4756             "QLE81XX");
4757
4758         /* Use alternate WWN? */
4759         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4760                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4761                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4762         }
4763
4764         /* Prepare nodename */
4765         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4766                 /*
4767                  * Firmware will apply the following mask if the nodename was
4768                  * not provided.
4769                  */
4770                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4771                 icb->node_name[0] &= 0xF0;
4772         }
4773
4774         /* Set host adapter parameters. */
4775         ha->flags.disable_risc_code_load = 0;
4776         ha->flags.enable_lip_reset = 0;
4777         ha->flags.enable_lip_full_login =
4778             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4779         ha->flags.enable_target_reset =
4780             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4781         ha->flags.enable_led_scheme = 0;
4782         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4783
4784         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4785             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4786
4787         /* save HBA serial number */
4788         ha->serial0 = icb->port_name[5];
4789         ha->serial1 = icb->port_name[6];
4790         ha->serial2 = icb->port_name[7];
4791         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4792         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4793
4794         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4795
4796         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4797
4798         /* Set minimum login_timeout to 4 seconds. */
4799         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4800                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4801         if (le16_to_cpu(nv->login_timeout) < 4)
4802                 nv->login_timeout = __constant_cpu_to_le16(4);
4803         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4804         icb->login_timeout = nv->login_timeout;
4805
4806         /* Set minimum RATOV to 100 tenths of a second. */
4807         ha->r_a_tov = 100;
4808
4809         ha->loop_reset_delay = nv->reset_delay;
4810
4811         /* Link Down Timeout = 0:
4812          *
4813          *      When Port Down timer expires we will start returning
4814          *      I/O's to OS with "DID_NO_CONNECT".
4815          *
4816          * Link Down Timeout != 0:
4817          *
4818          *       The driver waits for the link to come up after link down
4819          *       before returning I/Os to OS with "DID_NO_CONNECT".
4820          */
4821         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4822                 ha->loop_down_abort_time =
4823                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4824         } else {
4825                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4826                 ha->loop_down_abort_time =
4827                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4828         }
4829
4830         /* Need enough time to try and get the port back. */
4831         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4832         if (qlport_down_retry)
4833                 ha->port_down_retry_count = qlport_down_retry;
4834
4835         /* Set login_retry_count */
4836         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4837         if (ha->port_down_retry_count ==
4838             le16_to_cpu(nv->port_down_retry_count) &&
4839             ha->port_down_retry_count > 3)
4840                 ha->login_retry_count = ha->port_down_retry_count;
4841         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4842                 ha->login_retry_count = ha->port_down_retry_count;
4843         if (ql2xloginretrycount)
4844                 ha->login_retry_count = ql2xloginretrycount;
4845
4846         /* Enable ZIO. */
4847         if (!vha->flags.init_done) {
4848                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4849                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4850                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4851                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4852         }
4853         icb->firmware_options_2 &= __constant_cpu_to_le32(
4854             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4855         vha->flags.process_response_queue = 0;
4856         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4857                 ha->zio_mode = QLA_ZIO_MODE_6;
4858
4859                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4860                     "(%d us).\n", vha->host_no, ha->zio_mode,
4861                     ha->zio_timer * 100));
4862                 qla_printk(KERN_INFO, ha,
4863                     "ZIO mode %d enabled; timer delay (%d us).\n",
4864                     ha->zio_mode, ha->zio_timer * 100);
4865
4866                 icb->firmware_options_2 |= cpu_to_le32(
4867                     (uint32_t)ha->zio_mode);
4868                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4869                 vha->flags.process_response_queue = 1;
4870         }
4871
4872         if (rval) {
4873                 DEBUG2_3(printk(KERN_WARNING
4874                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4875         }
4876         return (rval);
4877 }
4878
4879 void
4880 qla81xx_update_fw_options(scsi_qla_host_t *ha)
4881 {
4882 }