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 /****************************************************************************/
  44 /*                QLogic ISP2x00 Hardware Support Functions.                */
  45 /****************************************************************************/
  46
  47 /*
  48 * qla2x00_initialize_adapter
  49 *      Initialize board.
  50 *
  51 * Input:
  52 *      ha = adapter block pointer.
  53 *
  54 * Returns:
  55 *      0 = success
  56 */
  57 int
  58 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
  59 {
  60         int     rval;
  61         struct qla_hw_data *ha = vha->hw;
  62         struct req_que *req = ha->req_q_map[0];
  63
  64         /* Clear adapter flags. */
  65         vha->flags.online = 0;
  66         ha->flags.chip_reset_done = 0;
  67         vha->flags.reset_active = 0;
  68         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
  69         atomic_set(&vha->loop_state, LOOP_DOWN);
  70         vha->device_flags = DFLG_NO_CABLE;
  71         vha->dpc_flags = 0;
  72         vha->flags.management_server_logged_in = 0;
  73         vha->marker_needed = 0;
  74         ha->isp_abort_cnt = 0;
  75         ha->beacon_blink_led = 0;
  76         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
  77
  78         set_bit(0, ha->req_qid_map);
  79         set_bit(0, ha->rsp_qid_map);
  80
  81         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
  82         rval = ha->isp_ops->pci_config(vha);
  83         if (rval) {
  84                 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
  85                     vha->host_no));
  86                 return (rval);
  87         }
  88
  89         ha->isp_ops->reset_chip(vha);
  90
  91         rval = qla2xxx_get_flash_info(vha);
  92         if (rval) {
  93                 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
  94                     vha->host_no));
  95                 return (rval);
  96         }
  97
  98         ha->isp_ops->get_flash_version(vha, req->ring);
  99
 100         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 101
 102         ha->isp_ops->nvram_config(vha);
 103
 104         if (ha->flags.disable_serdes) {
 105                 /* Mask HBA via NVRAM settings? */
 106                 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
 107                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 108                     vha->port_name[0], vha->port_name[1],
 109                     vha->port_name[2], vha->port_name[3],
 110                     vha->port_name[4], vha->port_name[5],
 111                     vha->port_name[6], vha->port_name[7]);
 112                 return QLA_FUNCTION_FAILED;
 113         }
 114
 115         qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
 116
 117         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 118                 rval = ha->isp_ops->chip_diag(vha);
 119                 if (rval)
 120                         return (rval);
 121                 rval = qla2x00_setup_chip(vha);
 122                 if (rval)
 123                         return (rval);
 124         }
 125         if (IS_QLA84XX(ha)) {
 126                 ha->cs84xx = qla84xx_get_chip(vha);
 127                 if (!ha->cs84xx) {
 128                         qla_printk(KERN_ERR, ha,
 129                             "Unable to configure ISP84XX.\n");
 130                         return QLA_FUNCTION_FAILED;
 131                 }
 132         }
 133         rval = qla2x00_init_rings(vha);
 134         ha->flags.chip_reset_done = 1;
 135
 136         return (rval);
 137 }
 138
 139 /**
 140  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 141  * @ha: HA context
 142  *
 143  * Returns 0 on success.
 144  */
 145 int
 146 qla2100_pci_config(scsi_qla_host_t *vha)
 147 {
 148         uint16_t w;
 149         unsigned long flags;
 150         struct qla_hw_data *ha = vha->hw;
 151         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 152
 153         pci_set_master(ha->pdev);
 154         pci_try_set_mwi(ha->pdev);
 155
 156         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 157         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 158         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 159
 160         pci_disable_rom(ha->pdev);
 161
 162         /* Get PCI bus information. */
 163         spin_lock_irqsave(&ha->hardware_lock, flags);
 164         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 165         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 166
 167         return QLA_SUCCESS;
 168 }
 169
 170 /**
 171  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 172  * @ha: HA context
 173  *
 174  * Returns 0 on success.
 175  */
 176 int
 177 qla2300_pci_config(scsi_qla_host_t *vha)
 178 {
 179         uint16_t        w;
 180         unsigned long   flags = 0;
 181         uint32_t        cnt;
 182         struct qla_hw_data *ha = vha->hw;
 183         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 184
 185         pci_set_master(ha->pdev);
 186         pci_try_set_mwi(ha->pdev);
 187
 188         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 189         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 190
 191         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 192                 w &= ~PCI_COMMAND_INTX_DISABLE;
 193         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 194
 195         /*
 196          * If this is a 2300 card and not 2312, reset the
 197          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 198          * the 2310 also reports itself as a 2300 so we need to get the
 199          * fb revision level -- a 6 indicates it really is a 2300 and
 200          * not a 2310.
 201          */
 202         if (IS_QLA2300(ha)) {
 203                 spin_lock_irqsave(&ha->hardware_lock, flags);
 204
 205                 /* Pause RISC. */
 206                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 207                 for (cnt = 0; cnt < 30000; cnt++) {
 208                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 209                                 break;
 210
 211                         udelay(10);
 212                 }
 213
 214                 /* Select FPM registers. */
 215                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 216                 RD_REG_WORD(&reg->ctrl_status);
 217
 218                 /* Get the fb rev level */
 219                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 220
 221                 if (ha->fb_rev == FPM_2300)
 222                         pci_clear_mwi(ha->pdev);
 223
 224                 /* Deselect FPM registers. */
 225                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 226                 RD_REG_WORD(&reg->ctrl_status);
 227
 228                 /* Release RISC module. */
 229                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 230                 for (cnt = 0; cnt < 30000; cnt++) {
 231                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 232                                 break;
 233
 234                         udelay(10);
 235                 }
 236
 237                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 238         }
 239
 240         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 241
 242         pci_disable_rom(ha->pdev);
 243
 244         /* Get PCI bus information. */
 245         spin_lock_irqsave(&ha->hardware_lock, flags);
 246         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 247         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 248
 249         return QLA_SUCCESS;
 250 }
 251
 252 /**
 253  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 254  * @ha: HA context
 255  *
 256  * Returns 0 on success.
 257  */
 258 int
 259 qla24xx_pci_config(scsi_qla_host_t *vha)
 260 {
 261         uint16_t w;
 262         unsigned long flags = 0;
 263         struct qla_hw_data *ha = vha->hw;
 264         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 265
 266         pci_set_master(ha->pdev);
 267         pci_try_set_mwi(ha->pdev);
 268
 269         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 270         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 271         w &= ~PCI_COMMAND_INTX_DISABLE;
 272         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 273
 274         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 275
 276         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 277         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 278                 pcix_set_mmrbc(ha->pdev, 2048);
 279
 280         /* PCIe -- adjust Maximum Read Request Size (2048). */
 281         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 282                 pcie_set_readrq(ha->pdev, 2048);
 283
 284         pci_disable_rom(ha->pdev);
 285
 286         ha->chip_revision = ha->pdev->revision;
 287
 288         /* Get PCI bus information. */
 289         spin_lock_irqsave(&ha->hardware_lock, flags);
 290         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 291         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 292
 293         return QLA_SUCCESS;
 294 }
 295
 296 /**
 297  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 298  * @ha: HA context
 299  *
 300  * Returns 0 on success.
 301  */
 302 int
 303 qla25xx_pci_config(scsi_qla_host_t *vha)
 304 {
 305         uint16_t w;
 306         struct qla_hw_data *ha = vha->hw;
 307
 308         pci_set_master(ha->pdev);
 309         pci_try_set_mwi(ha->pdev);
 310
 311         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 312         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 313         w &= ~PCI_COMMAND_INTX_DISABLE;
 314         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 315
 316         /* PCIe -- adjust Maximum Read Request Size (2048). */
 317         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 318                 pcie_set_readrq(ha->pdev, 2048);
 319
 320         pci_disable_rom(ha->pdev);
 321
 322         ha->chip_revision = ha->pdev->revision;
 323
 324         return QLA_SUCCESS;
 325 }
 326
 327 /**
 328  * qla2x00_isp_firmware() - Choose firmware image.
 329  * @ha: HA context
 330  *
 331  * Returns 0 on success.
 332  */
 333 static int
 334 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 335 {
 336         int  rval;
 337         uint16_t loop_id, topo, sw_cap;
 338         uint8_t domain, area, al_pa;
 339         struct qla_hw_data *ha = vha->hw;
 340
 341         /* Assume loading risc code */
 342         rval = QLA_FUNCTION_FAILED;
 343
 344         if (ha->flags.disable_risc_code_load) {
 345                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 346                     vha->host_no));
 347                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 348
 349                 /* Verify checksum of loaded RISC code. */
 350                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 351                 if (rval == QLA_SUCCESS) {
 352                         /* And, verify we are not in ROM code. */
 353                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 354                             &area, &domain, &topo, &sw_cap);
 355                 }
 356         }
 357
 358         if (rval) {
 359                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 360                     vha->host_no));
 361         }
 362
 363         return (rval);
 364 }
 365
 366 /**
 367  * qla2x00_reset_chip() - Reset ISP chip.
 368  * @ha: HA context
 369  *
 370  * Returns 0 on success.
 371  */
 372 void
 373 qla2x00_reset_chip(scsi_qla_host_t *vha)
 374 {
 375         unsigned long   flags = 0;
 376         struct qla_hw_data *ha = vha->hw;
 377         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 378         uint32_t        cnt;
 379         uint16_t        cmd;
 380
 381         ha->isp_ops->disable_intrs(ha);
 382
 383         spin_lock_irqsave(&ha->hardware_lock, flags);
 384
 385         /* Turn off master enable */
 386         cmd = 0;
 387         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 388         cmd &= ~PCI_COMMAND_MASTER;
 389         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 390
 391         if (!IS_QLA2100(ha)) {
 392                 /* Pause RISC. */
 393                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 394                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 395                         for (cnt = 0; cnt < 30000; cnt++) {
 396                                 if ((RD_REG_WORD(&reg->hccr) &
 397                                     HCCR_RISC_PAUSE) != 0)
 398                                         break;
 399                                 udelay(100);
 400                         }
 401                 } else {
 402                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 403                         udelay(10);
 404                 }
 405
 406                 /* Select FPM registers. */
 407                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 408                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 409
 410                 /* FPM Soft Reset. */
 411                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 412                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 413
 414                 /* Toggle Fpm Reset. */
 415                 if (!IS_QLA2200(ha)) {
 416                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 417                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 418                 }
 419
 420                 /* Select frame buffer registers. */
 421                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 422                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 423
 424                 /* Reset frame buffer FIFOs. */
 425                 if (IS_QLA2200(ha)) {
 426                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 427                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 428                 } else {
 429                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 430
 431                         /* Read back fb_cmd until zero or 3 seconds max */
 432                         for (cnt = 0; cnt < 3000; cnt++) {
 433                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 434                                         break;
 435                                 udelay(100);
 436                         }
 437                 }
 438
 439                 /* Select RISC module registers. */
 440                 WRT_REG_WORD(&reg->ctrl_status, 0);
 441                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 442
 443                 /* Reset RISC processor. */
 444                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 445                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 446
 447                 /* Release RISC processor. */
 448                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 449                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 450         }
 451
 452         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 453         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 454
 455         /* Reset ISP chip. */
 456         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 457
 458         /* Wait for RISC to recover from reset. */
 459         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 460                 /*
 461                  * It is necessary to for a delay here since the card doesn't
 462                  * respond to PCI reads during a reset. On some architectures
 463                  * this will result in an MCA.
 464                  */
 465                 udelay(20);
 466                 for (cnt = 30000; cnt; cnt--) {
 467                         if ((RD_REG_WORD(&reg->ctrl_status) &
 468                             CSR_ISP_SOFT_RESET) == 0)
 469                                 break;
 470                         udelay(100);
 471                 }
 472         } else
 473                 udelay(10);
 474
 475         /* Reset RISC processor. */
 476         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 477
 478         WRT_REG_WORD(&reg->semaphore, 0);
 479
 480         /* Release RISC processor. */
 481         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 482         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 483
 484         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 485                 for (cnt = 0; cnt < 30000; cnt++) {
 486                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 487                                 break;
 488
 489                         udelay(100);
 490                 }
 491         } else
 492                 udelay(100);
 493
 494         /* Turn on master enable */
 495         cmd |= PCI_COMMAND_MASTER;
 496         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 497
 498         /* Disable RISC pause on FPM parity error. */
 499         if (!IS_QLA2100(ha)) {
 500                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 501                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 502         }
 503
 504         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 505 }
 506
 507 /**
 508  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 509  * @ha: HA context
 510  *
 511  * Returns 0 on success.
 512  */
 513 static inline void
 514 qla24xx_reset_risc(scsi_qla_host_t *vha)
 515 {
 516         unsigned long flags = 0;
 517         struct qla_hw_data *ha = vha->hw;
 518         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 519         uint32_t cnt, d2;
 520         uint16_t wd;
 521
 522         spin_lock_irqsave(&ha->hardware_lock, flags);
 523
 524         /* Reset RISC. */
 525         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 526         for (cnt = 0; cnt < 30000; cnt++) {
 527                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
 528                         break;
 529
 530                 udelay(10);
 531         }
 532
 533         WRT_REG_DWORD(&reg->ctrl_status,
 534             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 535         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
 536
 537         udelay(100);
 538         /* Wait for firmware to complete NVRAM accesses. */
 539         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 540         for (cnt = 10000 ; cnt && d2; cnt--) {
 541                 udelay(5);
 542                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 543                 barrier();
 544         }
 545
 546         /* Wait for soft-reset to complete. */
 547         d2 = RD_REG_DWORD(&reg->ctrl_status);
 548         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
 549                 udelay(5);
 550                 d2 = RD_REG_DWORD(&reg->ctrl_status);
 551                 barrier();
 552         }
 553
 554         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
 555         RD_REG_DWORD(&reg->hccr);
 556
 557         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
 558         RD_REG_DWORD(&reg->hccr);
 559
 560         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
 561         RD_REG_DWORD(&reg->hccr);
 562
 563         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 564         for (cnt = 6000000 ; cnt && d2; cnt--) {
 565                 udelay(5);
 566                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 567                 barrier();
 568         }
 569
 570         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 571
 572         if (IS_NOPOLLING_TYPE(ha))
 573                 ha->isp_ops->enable_intrs(ha);
 574 }
 575
 576 /**
 577  * qla24xx_reset_chip() - Reset ISP24xx chip.
 578  * @ha: HA context
 579  *
 580  * Returns 0 on success.
 581  */
 582 void
 583 qla24xx_reset_chip(scsi_qla_host_t *vha)
 584 {
 585         struct qla_hw_data *ha = vha->hw;
 586         ha->isp_ops->disable_intrs(ha);
 587
 588         /* Perform RISC reset. */
 589         qla24xx_reset_risc(vha);
 590 }
 591
 592 /**
 593  * qla2x00_chip_diag() - Test chip for proper operation.
 594  * @ha: HA context
 595  *
 596  * Returns 0 on success.
 597  */
 598 int
 599 qla2x00_chip_diag(scsi_qla_host_t *vha)
 600 {
 601         int             rval;
 602         struct qla_hw_data *ha = vha->hw;
 603         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 604         unsigned long   flags = 0;
 605         uint16_t        data;
 606         uint32_t        cnt;
 607         uint16_t        mb[5];
 608         struct req_que *req = ha->req_q_map[0];
 609
 610         /* Assume a failed state */
 611         rval = QLA_FUNCTION_FAILED;
 612
 613         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
 614             vha->host_no, (u_long)&reg->flash_address));
 615
 616         spin_lock_irqsave(&ha->hardware_lock, flags);
 617
 618         /* Reset ISP chip. */
 619         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 620
 621         /*
 622          * We need to have a delay here since the card will not respond while
 623          * in reset causing an MCA on some architectures.
 624          */
 625         udelay(20);
 626         data = qla2x00_debounce_register(&reg->ctrl_status);
 627         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
 628                 udelay(5);
 629                 data = RD_REG_WORD(&reg->ctrl_status);
 630                 barrier();
 631         }
 632
 633         if (!cnt)
 634                 goto chip_diag_failed;
 635
 636         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
 637             vha->host_no));
 638
 639         /* Reset RISC processor. */
 640         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 641         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 642
 643         /* Workaround for QLA2312 PCI parity error */
 644         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 645                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
 646                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
 647                         udelay(5);
 648                         data = RD_MAILBOX_REG(ha, reg, 0);
 649                         barrier();
 650                 }
 651         } else
 652                 udelay(10);
 653
 654         if (!cnt)
 655                 goto chip_diag_failed;
 656
 657         /* Check product ID of chip */
 658         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
 659
 660         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
 661         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
 662         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
 663         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
 664         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
 665             mb[3] != PROD_ID_3) {
 666                 qla_printk(KERN_WARNING, ha,
 667                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
 668
 669                 goto chip_diag_failed;
 670         }
 671         ha->product_id[0] = mb[1];
 672         ha->product_id[1] = mb[2];
 673         ha->product_id[2] = mb[3];
 674         ha->product_id[3] = mb[4];
 675
 676         /* Adjust fw RISC transfer size */
 677         if (req->length > 1024)
 678                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
 679         else
 680                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
 681                     req->length;
 682
 683         if (IS_QLA2200(ha) &&
 684             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
 685                 /* Limit firmware transfer size with a 2200A */
 686                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
 687                     vha->host_no));
 688
 689                 ha->device_type |= DT_ISP2200A;
 690                 ha->fw_transfer_size = 128;
 691         }
 692
 693         /* Wrap Incoming Mailboxes Test. */
 694         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 695
 696         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
 697         rval = qla2x00_mbx_reg_test(vha);
 698         if (rval) {
 699                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 700                     vha->host_no));
 701                 qla_printk(KERN_WARNING, ha,
 702                     "Failed mailbox send register test\n");
 703         }
 704         else {
 705                 /* Flag a successful rval */
 706                 rval = QLA_SUCCESS;
 707         }
 708         spin_lock_irqsave(&ha->hardware_lock, flags);
 709
 710 chip_diag_failed:
 711         if (rval)
 712                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
 713                     "****\n", vha->host_no));
 714
 715         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 716
 717         return (rval);
 718 }
 719
 720 /**
 721  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
 722  * @ha: HA context
 723  *
 724  * Returns 0 on success.
 725  */
 726 int
 727 qla24xx_chip_diag(scsi_qla_host_t *vha)
 728 {
 729         int rval;
 730         struct qla_hw_data *ha = vha->hw;
 731         struct req_que *req = ha->req_q_map[0];
 732
 733         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 734
 735         rval = qla2x00_mbx_reg_test(vha);
 736         if (rval) {
 737                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 738                     vha->host_no));
 739                 qla_printk(KERN_WARNING, ha,
 740                     "Failed mailbox send register test\n");
 741         } else {
 742                 /* Flag a successful rval */
 743                 rval = QLA_SUCCESS;
 744         }
 745
 746         return rval;
 747 }
 748
 749 void
 750 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
 751 {
 752         int rval;
 753         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
 754             eft_size, fce_size, mq_size;
 755         dma_addr_t tc_dma;
 756         void *tc;
 757         struct qla_hw_data *ha = vha->hw;
 758         struct req_que *req = ha->req_q_map[0];
 759         struct rsp_que *rsp = ha->rsp_q_map[0];
 760
 761         if (ha->fw_dump) {
 762                 qla_printk(KERN_WARNING, ha,
 763                     "Firmware dump previously allocated.\n");
 764                 return;
 765         }
 766
 767         ha->fw_dumped = 0;
 768         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
 769         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 770                 fixed_size = sizeof(struct qla2100_fw_dump);
 771         } else if (IS_QLA23XX(ha)) {
 772                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
 773                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
 774                     sizeof(uint16_t);
 775         } else if (IS_FWI2_CAPABLE(ha)) {
 776                 if (IS_QLA81XX(ha))
 777                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
 778                 else if (IS_QLA25XX(ha))
 779                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
 780                 else
 781                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
 782                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
 783                     sizeof(uint32_t);
 784                 if (ha->mqenable)
 785                         mq_size = sizeof(struct qla2xxx_mq_chain);
 786                 /* Allocate memory for Fibre Channel Event Buffer. */
 787                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
 788                         goto try_eft;
 789
 790                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
 791                     GFP_KERNEL);
 792                 if (!tc) {
 793                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
 794                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
 795                         goto try_eft;
 796                 }
 797
 798                 memset(tc, 0, FCE_SIZE);
 799                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
 800                     ha->fce_mb, &ha->fce_bufs);
 801                 if (rval) {
 802                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
 803                             "FCE (%d).\n", rval);
 804                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
 805                             tc_dma);
 806                         ha->flags.fce_enabled = 0;
 807                         goto try_eft;
 808                 }
 809
 810                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
 811                     FCE_SIZE / 1024);
 812
 813                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
 814                 ha->flags.fce_enabled = 1;
 815                 ha->fce_dma = tc_dma;
 816                 ha->fce = tc;
 817 try_eft:
 818                 /* Allocate memory for Extended Trace Buffer. */
 819                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
 820                     GFP_KERNEL);
 821                 if (!tc) {
 822                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
 823                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
 824                         goto cont_alloc;
 825                 }
 826
 827                 memset(tc, 0, EFT_SIZE);
 828                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
 829                 if (rval) {
 830                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
 831                             "EFT (%d).\n", rval);
 832                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
 833                             tc_dma);
 834                         goto cont_alloc;
 835                 }
 836
 837                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
 838                     EFT_SIZE / 1024);
 839
 840                 eft_size = EFT_SIZE;
 841                 ha->eft_dma = tc_dma;
 842                 ha->eft = tc;
 843         }
 844 cont_alloc:
 845         req_q_size = req->length * sizeof(request_t);
 846         rsp_q_size = rsp->length * sizeof(response_t);
 847
 848         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
 849         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
 850         ha->chain_offset = dump_size;
 851         dump_size += mq_size + fce_size;
 852
 853         ha->fw_dump = vmalloc(dump_size);
 854         if (!ha->fw_dump) {
 855                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
 856                     "firmware dump!!!\n", dump_size / 1024);
 857
 858                 if (ha->eft) {
 859                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
 860                             ha->eft_dma);
 861                         ha->eft = NULL;
 862                         ha->eft_dma = 0;
 863                 }
 864                 return;
 865         }
 866         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
 867             dump_size / 1024);
 868
 869         ha->fw_dump_len = dump_size;
 870         ha->fw_dump->signature[0] = 'Q';
 871         ha->fw_dump->signature[1] = 'L';
 872         ha->fw_dump->signature[2] = 'G';
 873         ha->fw_dump->signature[3] = 'C';
 874         ha->fw_dump->version = __constant_htonl(1);
 875
 876         ha->fw_dump->fixed_size = htonl(fixed_size);
 877         ha->fw_dump->mem_size = htonl(mem_size);
 878         ha->fw_dump->req_q_size = htonl(req_q_size);
 879         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
 880
 881         ha->fw_dump->eft_size = htonl(eft_size);
 882         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
 883         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
 884
 885         ha->fw_dump->header_size =
 886             htonl(offsetof(struct qla2xxx_fw_dump, isp));
 887 }
 888
 889 static int
 890 qla81xx_mpi_sync(scsi_qla_host_t *vha)
 891 {
 892 #define MPS_MASK        0xe0
 893         int rval;
 894         uint16_t dc;
 895         uint32_t dw;
 896         struct qla_hw_data *ha = vha->hw;
 897
 898         if (!IS_QLA81XX(vha->hw))
 899                 return QLA_SUCCESS;
 900
 901         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
 902         if (rval != QLA_SUCCESS) {
 903                 DEBUG2(qla_printk(KERN_WARNING, ha,
 904                     "Sync-MPI: Unable to acquire semaphore.\n"));
 905                 goto done;
 906         }
 907
 908         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
 909         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
 910         if (rval != QLA_SUCCESS) {
 911                 DEBUG2(qla_printk(KERN_WARNING, ha,
 912                     "Sync-MPI: Unable to read sync.\n"));
 913                 goto done_release;
 914         }
 915
 916         dc &= MPS_MASK;
 917         if (dc == (dw & MPS_MASK))
 918                 goto done_release;
 919
 920         dw &= ~MPS_MASK;
 921         dw |= dc;
 922         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
 923         if (rval != QLA_SUCCESS) {
 924                 DEBUG2(qla_printk(KERN_WARNING, ha,
 925                     "Sync-MPI: Unable to gain sync.\n"));
 926         }
 927
 928 done_release:
 929         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
 930         if (rval != QLA_SUCCESS) {
 931                 DEBUG2(qla_printk(KERN_WARNING, ha,
 932                     "Sync-MPI: Unable to release semaphore.\n"));
 933         }
 934
 935 done:
 936         return rval;
 937 }
 938
 939 /**
 940  * qla2x00_setup_chip() - Load and start RISC firmware.
 941  * @ha: HA context
 942  *
 943  * Returns 0 on success.
 944  */
 945 static int
 946 qla2x00_setup_chip(scsi_qla_host_t *vha)
 947 {
 948         int rval;
 949         uint32_t srisc_address = 0;
 950         struct qla_hw_data *ha = vha->hw;
 951         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 952         unsigned long flags;
 953         uint16_t fw_major_version;
 954
 955         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
 956                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
 957                 spin_lock_irqsave(&ha->hardware_lock, flags);
 958                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
 959                 RD_REG_WORD(&reg->hccr);
 960                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 961         }
 962
 963         qla81xx_mpi_sync(vha);
 964
 965         /* Load firmware sequences */
 966         rval = ha->isp_ops->load_risc(vha, &srisc_address);
 967         if (rval == QLA_SUCCESS) {
 968                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
 969                     "code.\n", vha->host_no));
 970
 971                 rval = qla2x00_verify_checksum(vha, srisc_address);
 972                 if (rval == QLA_SUCCESS) {
 973                         /* Start firmware execution. */
 974                         DEBUG(printk("scsi(%ld): Checksum OK, start "
 975                             "firmware.\n", vha->host_no));
 976
 977                         rval = qla2x00_execute_fw(vha, srisc_address);
 978                         /* Retrieve firmware information. */
 979                         if (rval == QLA_SUCCESS) {
 980                                 fw_major_version = ha->fw_major_version;
 981                                 rval = qla2x00_get_fw_version(vha,
 982                                     &ha->fw_major_version,
 983                                     &ha->fw_minor_version,
 984                                     &ha->fw_subminor_version,
 985                                     &ha->fw_attributes, &ha->fw_memory_size,
 986                                     ha->mpi_version, &ha->mpi_capabilities,
 987                                     ha->phy_version);
 988                                 if (rval != QLA_SUCCESS)
 989                                         goto failed;
 990
 991                                 ha->flags.npiv_supported = 0;
 992                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
 993                                          (ha->fw_attributes & BIT_2)) {
 994                                         ha->flags.npiv_supported = 1;
 995                                         if ((!ha->max_npiv_vports) ||
 996                                             ((ha->max_npiv_vports + 1) %
 997                                             MIN_MULTI_ID_FABRIC))
 998                                                 ha->max_npiv_vports =
 999                                                     MIN_MULTI_ID_FABRIC - 1;
1000                                 }
1001                                 qla2x00_get_resource_cnts(vha, NULL,
1002                                     &ha->fw_xcb_count, NULL, NULL,
1003                                     &ha->max_npiv_vports);
1004
1005                                 if (!fw_major_version && ql2xallocfwdump)
1006                                         qla2x00_alloc_fw_dump(vha);
1007                         }
1008                 } else {
1009                         DEBUG2(printk(KERN_INFO
1010                             "scsi(%ld): ISP Firmware failed checksum.\n",
1011                             vha->host_no));
1012                 }
1013         }
1014
1015         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1016                 /* Enable proper parity. */
1017                 spin_lock_irqsave(&ha->hardware_lock, flags);
1018                 if (IS_QLA2300(ha))
1019                         /* SRAM parity */
1020                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1021                 else
1022                         /* SRAM, Instruction RAM and GP RAM parity */
1023                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1024                 RD_REG_WORD(&reg->hccr);
1025                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1026         }
1027
1028         if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1029                 uint32_t size;
1030
1031                 rval = qla81xx_fac_get_sector_size(vha, &size);
1032                 if (rval == QLA_SUCCESS) {
1033                         ha->flags.fac_supported = 1;
1034                         ha->fdt_block_size = size << 2;
1035                 } else {
1036                         qla_printk(KERN_ERR, ha,
1037                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1038                             ha->fw_major_version, ha->fw_minor_version,
1039                             ha->fw_subminor_version);
1040                 }
1041         }
1042 failed:
1043         if (rval) {
1044                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1045                     vha->host_no));
1046         }
1047
1048         return (rval);
1049 }
1050
1051 /**
1052  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1053  * @ha: HA context
1054  *
1055  * Beginning of request ring has initialization control block already built
1056  * by nvram config routine.
1057  *
1058  * Returns 0 on success.
1059  */
1060 void
1061 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1062 {
1063         uint16_t cnt;
1064         response_t *pkt;
1065
1066         rsp->ring_ptr = rsp->ring;
1067         rsp->ring_index    = 0;
1068         rsp->status_srb = NULL;
1069         pkt = rsp->ring_ptr;
1070         for (cnt = 0; cnt < rsp->length; cnt++) {
1071                 pkt->signature = RESPONSE_PROCESSED;
1072                 pkt++;
1073         }
1074 }
1075
1076 /**
1077  * qla2x00_update_fw_options() - Read and process firmware options.
1078  * @ha: HA context
1079  *
1080  * Returns 0 on success.
1081  */
1082 void
1083 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1084 {
1085         uint16_t swing, emphasis, tx_sens, rx_sens;
1086         struct qla_hw_data *ha = vha->hw;
1087
1088         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1089         qla2x00_get_fw_options(vha, ha->fw_options);
1090
1091         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1092                 return;
1093
1094         /* Serial Link options. */
1095         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1096             vha->host_no));
1097         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1098             sizeof(ha->fw_seriallink_options)));
1099
1100         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1101         if (ha->fw_seriallink_options[3] & BIT_2) {
1102                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1103
1104                 /*  1G settings */
1105                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1106                 emphasis = (ha->fw_seriallink_options[2] &
1107                     (BIT_4 | BIT_3)) >> 3;
1108                 tx_sens = ha->fw_seriallink_options[0] &
1109                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1110                 rx_sens = (ha->fw_seriallink_options[0] &
1111                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1112                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1113                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1114                         if (rx_sens == 0x0)
1115                                 rx_sens = 0x3;
1116                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1117                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1118                         ha->fw_options[10] |= BIT_5 |
1119                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1120                             (tx_sens & (BIT_1 | BIT_0));
1121
1122                 /*  2G settings */
1123                 swing = (ha->fw_seriallink_options[2] &
1124                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1125                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1126                 tx_sens = ha->fw_seriallink_options[1] &
1127                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1128                 rx_sens = (ha->fw_seriallink_options[1] &
1129                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1130                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1131                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1132                         if (rx_sens == 0x0)
1133                                 rx_sens = 0x3;
1134                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1135                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1136                         ha->fw_options[11] |= BIT_5 |
1137                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1138                             (tx_sens & (BIT_1 | BIT_0));
1139         }
1140
1141         /* FCP2 options. */
1142         /*  Return command IOCBs without waiting for an ABTS to complete. */
1143         ha->fw_options[3] |= BIT_13;
1144
1145         /* LED scheme. */
1146         if (ha->flags.enable_led_scheme)
1147                 ha->fw_options[2] |= BIT_12;
1148
1149         /* Detect ISP6312. */
1150         if (IS_QLA6312(ha))
1151                 ha->fw_options[2] |= BIT_13;
1152
1153         /* Update firmware options. */
1154         qla2x00_set_fw_options(vha, ha->fw_options);
1155 }
1156
1157 void
1158 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1159 {
1160         int rval;
1161         struct qla_hw_data *ha = vha->hw;
1162
1163         /* Update Serial Link options. */
1164         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1165                 return;
1166
1167         rval = qla2x00_set_serdes_params(vha,
1168             le16_to_cpu(ha->fw_seriallink_options24[1]),
1169             le16_to_cpu(ha->fw_seriallink_options24[2]),
1170             le16_to_cpu(ha->fw_seriallink_options24[3]));
1171         if (rval != QLA_SUCCESS) {
1172                 qla_printk(KERN_WARNING, ha,
1173                     "Unable to update Serial Link options (%x).\n", rval);
1174         }
1175 }
1176
1177 void
1178 qla2x00_config_rings(struct scsi_qla_host *vha)
1179 {
1180         struct qla_hw_data *ha = vha->hw;
1181         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1182         struct req_que *req = ha->req_q_map[0];
1183         struct rsp_que *rsp = ha->rsp_q_map[0];
1184
1185         /* Setup ring parameters in initialization control block. */
1186         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1187         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1188         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1189         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1190         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1191         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1192         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1193         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1194
1195         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1196         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1197         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1198         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1199         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1200 }
1201
1202 void
1203 qla24xx_config_rings(struct scsi_qla_host *vha)
1204 {
1205         struct qla_hw_data *ha = vha->hw;
1206         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1207         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1208         struct qla_msix_entry *msix;
1209         struct init_cb_24xx *icb;
1210         uint16_t rid = 0;
1211         struct req_que *req = ha->req_q_map[0];
1212         struct rsp_que *rsp = ha->rsp_q_map[0];
1213
1214 /* Setup ring parameters in initialization control block. */
1215         icb = (struct init_cb_24xx *)ha->init_cb;
1216         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1217         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1218         icb->request_q_length = cpu_to_le16(req->length);
1219         icb->response_q_length = cpu_to_le16(rsp->length);
1220         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1221         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1222         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1223         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1224
1225         if (ha->mqenable) {
1226                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1227                 icb->rid = __constant_cpu_to_le16(rid);
1228                 if (ha->flags.msix_enabled) {
1229                         msix = &ha->msix_entries[1];
1230                         DEBUG2_17(printk(KERN_INFO
1231                         "Registering vector 0x%x for base que\n", msix->entry));
1232                         icb->msix = cpu_to_le16(msix->entry);
1233                 }
1234                 /* Use alternate PCI bus number */
1235                 if (MSB(rid))
1236                         icb->firmware_options_2 |=
1237                                 __constant_cpu_to_le32(BIT_19);
1238                 /* Use alternate PCI devfn */
1239                 if (LSB(rid))
1240                         icb->firmware_options_2 |=
1241                                 __constant_cpu_to_le32(BIT_18);
1242
1243                 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
1244                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1245
1246                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1247                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1248                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1249                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1250         } else {
1251                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1252                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1253                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1254                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1255         }
1256         /* PCI posting */
1257         RD_REG_DWORD(&ioreg->hccr);
1258 }
1259
1260 /**
1261  * qla2x00_init_rings() - Initializes firmware.
1262  * @ha: HA context
1263  *
1264  * Beginning of request ring has initialization control block already built
1265  * by nvram config routine.
1266  *
1267  * Returns 0 on success.
1268  */
1269 static int
1270 qla2x00_init_rings(scsi_qla_host_t *vha)
1271 {
1272         int     rval;
1273         unsigned long flags = 0;
1274         int cnt, que;
1275         struct qla_hw_data *ha = vha->hw;
1276         struct req_que *req;
1277         struct rsp_que *rsp;
1278         struct scsi_qla_host *vp;
1279         struct mid_init_cb_24xx *mid_init_cb =
1280             (struct mid_init_cb_24xx *) ha->init_cb;
1281
1282         spin_lock_irqsave(&ha->hardware_lock, flags);
1283
1284         /* Clear outstanding commands array. */
1285         for (que = 0; que < ha->max_req_queues; que++) {
1286                 req = ha->req_q_map[que];
1287                 if (!req)
1288                         continue;
1289                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1290                         req->outstanding_cmds[cnt] = NULL;
1291
1292                 req->current_outstanding_cmd = 1;
1293
1294                 /* Initialize firmware. */
1295                 req->ring_ptr  = req->ring;
1296                 req->ring_index    = 0;
1297                 req->cnt      = req->length;
1298         }
1299
1300         for (que = 0; que < ha->max_rsp_queues; que++) {
1301                 rsp = ha->rsp_q_map[que];
1302                 if (!rsp)
1303                         continue;
1304                 /* Initialize response queue entries */
1305                 qla2x00_init_response_q_entries(rsp);
1306         }
1307
1308         /* Clear RSCN queue. */
1309         list_for_each_entry(vp, &ha->vp_list, list) {
1310                 vp->rscn_in_ptr = 0;
1311                 vp->rscn_out_ptr = 0;
1312         }
1313         ha->isp_ops->config_rings(vha);
1314
1315         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1316
1317         /* Update any ISP specific firmware options before initialization. */
1318         ha->isp_ops->update_fw_options(vha);
1319
1320         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1321
1322         if (ha->flags.npiv_supported) {
1323                 if (ha->operating_mode == LOOP)
1324                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1325                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1326         }
1327
1328         if (IS_FWI2_CAPABLE(ha)) {
1329                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1330                 mid_init_cb->init_cb.execution_throttle =
1331                     cpu_to_le16(ha->fw_xcb_count);
1332         }
1333
1334         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1335         if (rval) {
1336                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1337                     vha->host_no));
1338         } else {
1339                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1340                     vha->host_no));
1341         }
1342
1343         return (rval);
1344 }
1345
1346 /**
1347  * qla2x00_fw_ready() - Waits for firmware ready.
1348  * @ha: HA context
1349  *
1350  * Returns 0 on success.
1351  */
1352 static int
1353 qla2x00_fw_ready(scsi_qla_host_t *vha)
1354 {
1355         int             rval;
1356         unsigned long   wtime, mtime, cs84xx_time;
1357         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1358         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1359         uint16_t        state[5];
1360         struct qla_hw_data *ha = vha->hw;
1361
1362         rval = QLA_SUCCESS;
1363
1364         /* 20 seconds for loop down. */
1365         min_wait = 20;
1366
1367         /*
1368          * Firmware should take at most one RATOV to login, plus 5 seconds for
1369          * our own processing.
1370          */
1371         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1372                 wait_time = min_wait;
1373         }
1374
1375         /* Min wait time if loop down */
1376         mtime = jiffies + (min_wait * HZ);
1377
1378         /* wait time before firmware ready */
1379         wtime = jiffies + (wait_time * HZ);
1380
1381         /* Wait for ISP to finish LIP */
1382         if (!vha->flags.init_done)
1383                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1384
1385         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1386             vha->host_no));
1387
1388         do {
1389                 rval = qla2x00_get_firmware_state(vha, state);
1390                 if (rval == QLA_SUCCESS) {
1391                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1392                                 vha->device_flags &= ~DFLG_NO_CABLE;
1393                         }
1394                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1395                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1396                                     "84xx=%x.\n", vha->host_no, state[0],
1397                                     state[2]));
1398                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1399                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1400                                         DEBUG16(printk("scsi(%ld): Sending "
1401                                             "verify iocb.\n", vha->host_no));
1402
1403                                         cs84xx_time = jiffies;
1404                                         rval = qla84xx_init_chip(vha);
1405                                         if (rval != QLA_SUCCESS)
1406                                                 break;
1407
1408                                         /* Add time taken to initialize. */
1409                                         cs84xx_time = jiffies - cs84xx_time;
1410                                         wtime += cs84xx_time;
1411                                         mtime += cs84xx_time;
1412                                         DEBUG16(printk("scsi(%ld): Increasing "
1413                                             "wait time by %ld. New time %ld\n",
1414                                             vha->host_no, cs84xx_time, wtime));
1415                                 }
1416                         } else if (state[0] == FSTATE_READY) {
1417                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1418                                     vha->host_no));
1419
1420                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1421                                     &ha->login_timeout, &ha->r_a_tov);
1422
1423                                 rval = QLA_SUCCESS;
1424                                 break;
1425                         }
1426
1427                         rval = QLA_FUNCTION_FAILED;
1428
1429                         if (atomic_read(&vha->loop_down_timer) &&
1430                             state[0] != FSTATE_READY) {
1431                                 /* Loop down. Timeout on min_wait for states
1432                                  * other than Wait for Login.
1433                                  */
1434                                 if (time_after_eq(jiffies, mtime)) {
1435                                         qla_printk(KERN_INFO, ha,
1436                                             "Cable is unplugged...\n");
1437
1438                                         vha->device_flags |= DFLG_NO_CABLE;
1439                                         break;
1440                                 }
1441                         }
1442                 } else {
1443                         /* Mailbox cmd failed. Timeout on min_wait. */
1444                         if (time_after_eq(jiffies, mtime))
1445                                 break;
1446                 }
1447
1448                 if (time_after_eq(jiffies, wtime))
1449                         break;
1450
1451                 /* Delay for a while */
1452                 msleep(500);
1453
1454                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1455                     vha->host_no, state[0], jiffies));
1456         } while (1);
1457
1458         DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1459             vha->host_no, state[0], state[1], state[2], state[3], state[4],
1460             jiffies));
1461
1462         if (rval) {
1463                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1464                     vha->host_no));
1465         }
1466
1467         return (rval);
1468 }
1469
1470 /*
1471 *  qla2x00_configure_hba
1472 *      Setup adapter context.
1473 *
1474 * Input:
1475 *      ha = adapter state pointer.
1476 *
1477 * Returns:
1478 *      0 = success
1479 *
1480 * Context:
1481 *      Kernel context.
1482 */
1483 static int
1484 qla2x00_configure_hba(scsi_qla_host_t *vha)
1485 {
1486         int       rval;
1487         uint16_t      loop_id;
1488         uint16_t      topo;
1489         uint16_t      sw_cap;
1490         uint8_t       al_pa;
1491         uint8_t       area;
1492         uint8_t       domain;
1493         char            connect_type[22];
1494         struct qla_hw_data *ha = vha->hw;
1495
1496         /* Get host addresses. */
1497         rval = qla2x00_get_adapter_id(vha,
1498             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1499         if (rval != QLA_SUCCESS) {
1500                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1501                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1502                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1503                             __func__, vha->host_no));
1504                 } else {
1505                         qla_printk(KERN_WARNING, ha,
1506                             "ERROR -- Unable to get host loop ID.\n");
1507                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1508                 }
1509                 return (rval);
1510         }
1511
1512         if (topo == 4) {
1513                 qla_printk(KERN_INFO, ha,
1514                         "Cannot get topology - retrying.\n");
1515                 return (QLA_FUNCTION_FAILED);
1516         }
1517
1518         vha->loop_id = loop_id;
1519
1520         /* initialize */
1521         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1522         ha->operating_mode = LOOP;
1523         ha->switch_cap = 0;
1524
1525         switch (topo) {
1526         case 0:
1527                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1528                     vha->host_no));
1529                 ha->current_topology = ISP_CFG_NL;
1530                 strcpy(connect_type, "(Loop)");
1531                 break;
1532
1533         case 1:
1534                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1535                     vha->host_no));
1536                 ha->switch_cap = sw_cap;
1537                 ha->current_topology = ISP_CFG_FL;
1538                 strcpy(connect_type, "(FL_Port)");
1539                 break;
1540
1541         case 2:
1542                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1543                     vha->host_no));
1544                 ha->operating_mode = P2P;
1545                 ha->current_topology = ISP_CFG_N;
1546                 strcpy(connect_type, "(N_Port-to-N_Port)");
1547                 break;
1548
1549         case 3:
1550                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1551                     vha->host_no));
1552                 ha->switch_cap = sw_cap;
1553                 ha->operating_mode = P2P;
1554                 ha->current_topology = ISP_CFG_F;
1555                 strcpy(connect_type, "(F_Port)");
1556                 break;
1557
1558         default:
1559                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1560                     "Using NL.\n",
1561                     vha->host_no, topo));
1562                 ha->current_topology = ISP_CFG_NL;
1563                 strcpy(connect_type, "(Loop)");
1564                 break;
1565         }
1566
1567         /* Save Host port and loop ID. */
1568         /* byte order - Big Endian */
1569         vha->d_id.b.domain = domain;
1570         vha->d_id.b.area = area;
1571         vha->d_id.b.al_pa = al_pa;
1572
1573         if (!vha->flags.init_done)
1574                 qla_printk(KERN_INFO, ha,
1575                     "Topology - %s, Host Loop address 0x%x\n",
1576                     connect_type, vha->loop_id);
1577
1578         if (rval) {
1579                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1580         } else {
1581                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1582         }
1583
1584         return(rval);
1585 }
1586
1587 static inline void
1588 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1589         char *def)
1590 {
1591         char *st, *en;
1592         uint16_t index;
1593         struct qla_hw_data *ha = vha->hw;
1594         int use_tbl = !IS_QLA25XX(ha) && !IS_QLA81XX(ha);
1595
1596         if (memcmp(model, BINZERO, len) != 0) {
1597                 strncpy(ha->model_number, model, len);
1598                 st = en = ha->model_number;
1599                 en += len - 1;
1600                 while (en > st) {
1601                         if (*en != 0x20 && *en != 0x00)
1602                                 break;
1603                         *en-- = '\0';
1604                 }
1605
1606                 index = (ha->pdev->subsystem_device & 0xff);
1607                 if (use_tbl &&
1608                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1609                     index < QLA_MODEL_NAMES)
1610                         strncpy(ha->model_desc,
1611                             qla2x00_model_name[index * 2 + 1],
1612                             sizeof(ha->model_desc) - 1);
1613         } else {
1614                 index = (ha->pdev->subsystem_device & 0xff);
1615                 if (use_tbl &&
1616                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1617                     index < QLA_MODEL_NAMES) {
1618                         strcpy(ha->model_number,
1619                             qla2x00_model_name[index * 2]);
1620                         strncpy(ha->model_desc,
1621                             qla2x00_model_name[index * 2 + 1],
1622                             sizeof(ha->model_desc) - 1);
1623                 } else {
1624                         strcpy(ha->model_number, def);
1625                 }
1626         }
1627         if (IS_FWI2_CAPABLE(ha))
1628                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1629                     sizeof(ha->model_desc));
1630 }
1631
1632 /* On sparc systems, obtain port and node WWN from firmware
1633  * properties.
1634  */
1635 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
1636 {
1637 #ifdef CONFIG_SPARC
1638         struct qla_hw_data *ha = vha->hw;
1639         struct pci_dev *pdev = ha->pdev;
1640         struct device_node *dp = pci_device_to_OF_node(pdev);
1641         const u8 *val;
1642         int len;
1643
1644         val = of_get_property(dp, "port-wwn", &len);
1645         if (val && len >= WWN_SIZE)
1646                 memcpy(nv->port_name, val, WWN_SIZE);
1647
1648         val = of_get_property(dp, "node-wwn", &len);
1649         if (val && len >= WWN_SIZE)
1650                 memcpy(nv->node_name, val, WWN_SIZE);
1651 #endif
1652 }
1653
1654 /*
1655 * NVRAM configuration for ISP 2xxx
1656 *
1657 * Input:
1658 *      ha                = adapter block pointer.
1659 *
1660 * Output:
1661 *      initialization control block in response_ring
1662 *      host adapters parameters in host adapter block
1663 *
1664 * Returns:
1665 *      0 = success.
1666 */
1667 int
1668 qla2x00_nvram_config(scsi_qla_host_t *vha)
1669 {
1670         int             rval;
1671         uint8_t         chksum = 0;
1672         uint16_t        cnt;
1673         uint8_t         *dptr1, *dptr2;
1674         struct qla_hw_data *ha = vha->hw;
1675         init_cb_t       *icb = ha->init_cb;
1676         nvram_t         *nv = ha->nvram;
1677         uint8_t         *ptr = ha->nvram;
1678         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1679
1680         rval = QLA_SUCCESS;
1681
1682         /* Determine NVRAM starting address. */
1683         ha->nvram_size = sizeof(nvram_t);
1684         ha->nvram_base = 0;
1685         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1686                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1687                         ha->nvram_base = 0x80;
1688
1689         /* Get NVRAM data and calculate checksum. */
1690         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
1691         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1692                 chksum += *ptr++;
1693
1694         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
1695         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1696
1697         /* Bad NVRAM data, set defaults parameters. */
1698         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1699             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1700                 /* Reset NVRAM data. */
1701                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1702                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1703                     nv->nvram_version);
1704                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1705                     "invalid -- WWPN) defaults.\n");
1706
1707                 /*
1708                  * Set default initialization control block.
1709                  */
1710                 memset(nv, 0, ha->nvram_size);
1711                 nv->parameter_block_version = ICB_VERSION;
1712
1713                 if (IS_QLA23XX(ha)) {
1714                         nv->firmware_options[0] = BIT_2 | BIT_1;
1715                         nv->firmware_options[1] = BIT_7 | BIT_5;
1716                         nv->add_firmware_options[0] = BIT_5;
1717                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1718                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
1719                         nv->special_options[1] = BIT_7;
1720                 } else if (IS_QLA2200(ha)) {
1721                         nv->firmware_options[0] = BIT_2 | BIT_1;
1722                         nv->firmware_options[1] = BIT_7 | BIT_5;
1723                         nv->add_firmware_options[0] = BIT_5;
1724                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1725                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1726                 } else if (IS_QLA2100(ha)) {
1727                         nv->firmware_options[0] = BIT_3 | BIT_1;
1728                         nv->firmware_options[1] = BIT_5;
1729                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1730                 }
1731
1732                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1733                 nv->execution_throttle = __constant_cpu_to_le16(16);
1734                 nv->retry_count = 8;
1735                 nv->retry_delay = 1;
1736
1737                 nv->port_name[0] = 33;
1738                 nv->port_name[3] = 224;
1739                 nv->port_name[4] = 139;
1740
1741                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
1742
1743                 nv->login_timeout = 4;
1744
1745                 /*
1746                  * Set default host adapter parameters
1747                  */
1748                 nv->host_p[1] = BIT_2;
1749                 nv->reset_delay = 5;
1750                 nv->port_down_retry_count = 8;
1751                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1752                 nv->link_down_timeout = 60;
1753
1754                 rval = 1;
1755         }
1756
1757 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1758         /*
1759          * The SN2 does not provide BIOS emulation which means you can't change
1760          * potentially bogus BIOS settings. Force the use of default settings
1761          * for link rate and frame size.  Hope that the rest of the settings
1762          * are valid.
1763          */
1764         if (ia64_platform_is("sn2")) {
1765                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1766                 if (IS_QLA23XX(ha))
1767                         nv->special_options[1] = BIT_7;
1768         }
1769 #endif
1770
1771         /* Reset Initialization control block */
1772         memset(icb, 0, ha->init_cb_size);
1773
1774         /*
1775          * Setup driver NVRAM options.
1776          */
1777         nv->firmware_options[0] |= (BIT_6 | BIT_1);
1778         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1779         nv->firmware_options[1] |= (BIT_5 | BIT_0);
1780         nv->firmware_options[1] &= ~BIT_4;
1781
1782         if (IS_QLA23XX(ha)) {
1783                 nv->firmware_options[0] |= BIT_2;
1784                 nv->firmware_options[0] &= ~BIT_3;
1785                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1786
1787                 if (IS_QLA2300(ha)) {
1788                         if (ha->fb_rev == FPM_2310) {
1789                                 strcpy(ha->model_number, "QLA2310");
1790                         } else {
1791                                 strcpy(ha->model_number, "QLA2300");
1792                         }
1793                 } else {
1794                         qla2x00_set_model_info(vha, nv->model_number,
1795                             sizeof(nv->model_number), "QLA23xx");
1796                 }
1797         } else if (IS_QLA2200(ha)) {
1798                 nv->firmware_options[0] |= BIT_2;
1799                 /*
1800                  * 'Point-to-point preferred, else loop' is not a safe
1801                  * connection mode setting.
1802                  */
1803                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1804                     (BIT_5 | BIT_4)) {
1805                         /* Force 'loop preferred, else point-to-point'. */
1806                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1807                         nv->add_firmware_options[0] |= BIT_5;
1808                 }
1809                 strcpy(ha->model_number, "QLA22xx");
1810         } else /*if (IS_QLA2100(ha))*/ {
1811                 strcpy(ha->model_number, "QLA2100");
1812         }
1813
1814         /*
1815          * Copy over NVRAM RISC parameter block to initialization control block.
1816          */
1817         dptr1 = (uint8_t *)icb;
1818         dptr2 = (uint8_t *)&nv->parameter_block_version;
1819         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1820         while (cnt--)
1821                 *dptr1++ = *dptr2++;
1822
1823         /* Copy 2nd half. */
1824         dptr1 = (uint8_t *)icb->add_firmware_options;
1825         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1826         while (cnt--)
1827                 *dptr1++ = *dptr2++;
1828
1829         /* Use alternate WWN? */
1830         if (nv->host_p[1] & BIT_7) {
1831                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1832                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1833         }
1834
1835         /* Prepare nodename */
1836         if ((icb->firmware_options[1] & BIT_6) == 0) {
1837                 /*
1838                  * Firmware will apply the following mask if the nodename was
1839                  * not provided.
1840                  */
1841                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1842                 icb->node_name[0] &= 0xF0;
1843         }
1844
1845         /*
1846          * Set host adapter parameters.
1847          */
1848         if (nv->host_p[0] & BIT_7)
1849                 ql2xextended_error_logging = 1;
1850         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1851         /* Always load RISC code on non ISP2[12]00 chips. */
1852         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1853                 ha->flags.disable_risc_code_load = 0;
1854         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1855         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1856         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1857         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1858         ha->flags.disable_serdes = 0;
1859
1860         ha->operating_mode =
1861             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1862
1863         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1864             sizeof(ha->fw_seriallink_options));
1865
1866         /* save HBA serial number */
1867         ha->serial0 = icb->port_name[5];
1868         ha->serial1 = icb->port_name[6];
1869         ha->serial2 = icb->port_name[7];
1870         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
1871         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1872
1873         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1874
1875         ha->retry_count = nv->retry_count;
1876
1877         /* Set minimum login_timeout to 4 seconds. */
1878         if (nv->login_timeout < ql2xlogintimeout)
1879                 nv->login_timeout = ql2xlogintimeout;
1880         if (nv->login_timeout < 4)
1881                 nv->login_timeout = 4;
1882         ha->login_timeout = nv->login_timeout;
1883         icb->login_timeout = nv->login_timeout;
1884
1885         /* Set minimum RATOV to 100 tenths of a second. */
1886         ha->r_a_tov = 100;
1887
1888         ha->loop_reset_delay = nv->reset_delay;
1889
1890         /* Link Down Timeout = 0:
1891          *
1892          *      When Port Down timer expires we will start returning
1893          *      I/O's to OS with "DID_NO_CONNECT".
1894          *
1895          * Link Down Timeout != 0:
1896          *
1897          *       The driver waits for the link to come up after link down
1898          *       before returning I/Os to OS with "DID_NO_CONNECT".
1899          */
1900         if (nv->link_down_timeout == 0) {
1901                 ha->loop_down_abort_time =
1902                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1903         } else {
1904                 ha->link_down_timeout =  nv->link_down_timeout;
1905                 ha->loop_down_abort_time =
1906                     (LOOP_DOWN_TIME - ha->link_down_timeout);
1907         }
1908
1909         /*
1910          * Need enough time to try and get the port back.
1911          */
1912         ha->port_down_retry_count = nv->port_down_retry_count;
1913         if (qlport_down_retry)
1914                 ha->port_down_retry_count = qlport_down_retry;
1915         /* Set login_retry_count */
1916         ha->login_retry_count  = nv->retry_count;
1917         if (ha->port_down_retry_count == nv->port_down_retry_count &&
1918             ha->port_down_retry_count > 3)
1919                 ha->login_retry_count = ha->port_down_retry_count;
1920         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1921                 ha->login_retry_count = ha->port_down_retry_count;
1922         if (ql2xloginretrycount)
1923                 ha->login_retry_count = ql2xloginretrycount;
1924
1925         icb->lun_enables = __constant_cpu_to_le16(0);
1926         icb->command_resource_count = 0;
1927         icb->immediate_notify_resource_count = 0;
1928         icb->timeout = __constant_cpu_to_le16(0);
1929
1930         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1931                 /* Enable RIO */
1932                 icb->firmware_options[0] &= ~BIT_3;
1933                 icb->add_firmware_options[0] &=
1934                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1935                 icb->add_firmware_options[0] |= BIT_2;
1936                 icb->response_accumulation_timer = 3;
1937                 icb->interrupt_delay_timer = 5;
1938
1939                 vha->flags.process_response_queue = 1;
1940         } else {
1941                 /* Enable ZIO. */
1942                 if (!vha->flags.init_done) {
1943                         ha->zio_mode = icb->add_firmware_options[0] &
1944                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1945                         ha->zio_timer = icb->interrupt_delay_timer ?
1946                             icb->interrupt_delay_timer: 2;
1947                 }
1948                 icb->add_firmware_options[0] &=
1949                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1950                 vha->flags.process_response_queue = 0;
1951                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1952                         ha->zio_mode = QLA_ZIO_MODE_6;
1953
1954                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1955                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
1956                             ha->zio_timer * 100));
1957                         qla_printk(KERN_INFO, ha,
1958                             "ZIO mode %d enabled; timer delay (%d us).\n",
1959                             ha->zio_mode, ha->zio_timer * 100);
1960
1961                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1962                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1963                         vha->flags.process_response_queue = 1;
1964                 }
1965         }
1966
1967         if (rval) {
1968                 DEBUG2_3(printk(KERN_WARNING
1969                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
1970         }
1971         return (rval);
1972 }
1973
1974 static void
1975 qla2x00_rport_del(void *data)
1976 {
1977         fc_port_t *fcport = data;
1978         struct fc_rport *rport;
1979
1980         spin_lock_irq(fcport->vha->host->host_lock);
1981         rport = fcport->drport;
1982         fcport->drport = NULL;
1983         spin_unlock_irq(fcport->vha->host->host_lock);
1984         if (rport)
1985                 fc_remote_port_delete(rport);
1986 }
1987
1988 /**
1989  * qla2x00_alloc_fcport() - Allocate a generic fcport.
1990  * @ha: HA context
1991  * @flags: allocation flags
1992  *
1993  * Returns a pointer to the allocated fcport, or NULL, if none available.
1994  */
1995 static fc_port_t *
1996 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1997 {
1998         fc_port_t *fcport;
1999
2000         fcport = kzalloc(sizeof(fc_port_t), flags);
2001         if (!fcport)
2002                 return NULL;
2003
2004         /* Setup fcport template structure. */
2005         fcport->vha = vha;
2006         fcport->vp_idx = vha->vp_idx;
2007         fcport->port_type = FCT_UNKNOWN;
2008         fcport->loop_id = FC_NO_LOOP_ID;
2009         atomic_set(&fcport->state, FCS_UNCONFIGURED);
2010         fcport->supported_classes = FC_COS_UNSPECIFIED;
2011
2012         return fcport;
2013 }
2014
2015 /*
2016  * qla2x00_configure_loop
2017  *      Updates Fibre Channel Device Database with what is actually on loop.
2018  *
2019  * Input:
2020  *      ha                = adapter block pointer.
2021  *
2022  * Returns:
2023  *      0 = success.
2024  *      1 = error.
2025  *      2 = database was full and device was not configured.
2026  */
2027 static int
2028 qla2x00_configure_loop(scsi_qla_host_t *vha)
2029 {
2030         int  rval;
2031         unsigned long flags, save_flags;
2032         struct qla_hw_data *ha = vha->hw;
2033         rval = QLA_SUCCESS;
2034
2035         /* Get Initiator ID */
2036         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2037                 rval = qla2x00_configure_hba(vha);
2038                 if (rval != QLA_SUCCESS) {
2039                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2040                             vha->host_no));
2041                         return (rval);
2042                 }
2043         }
2044
2045         save_flags = flags = vha->dpc_flags;
2046         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2047             vha->host_no, flags));
2048
2049         /*
2050          * If we have both an RSCN and PORT UPDATE pending then handle them
2051          * both at the same time.
2052          */
2053         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2054         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2055
2056         /* Determine what we need to do */
2057         if (ha->current_topology == ISP_CFG_FL &&
2058             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2059
2060                 vha->flags.rscn_queue_overflow = 1;
2061                 set_bit(RSCN_UPDATE, &flags);
2062
2063         } else if (ha->current_topology == ISP_CFG_F &&
2064             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2065
2066                 vha->flags.rscn_queue_overflow = 1;
2067                 set_bit(RSCN_UPDATE, &flags);
2068                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2069
2070         } else if (ha->current_topology == ISP_CFG_N) {
2071                 clear_bit(RSCN_UPDATE, &flags);
2072
2073         } else if (!vha->flags.online ||
2074             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2075
2076                 vha->flags.rscn_queue_overflow = 1;
2077                 set_bit(RSCN_UPDATE, &flags);
2078                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2079         }
2080
2081         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2082                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2083                         rval = QLA_FUNCTION_FAILED;
2084                 else
2085                         rval = qla2x00_configure_local_loop(vha);
2086         }
2087
2088         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2089                 if (LOOP_TRANSITION(vha))
2090                         rval = QLA_FUNCTION_FAILED;
2091                 else
2092                         rval = qla2x00_configure_fabric(vha);
2093         }
2094
2095         if (rval == QLA_SUCCESS) {
2096                 if (atomic_read(&vha->loop_down_timer) ||
2097                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2098                         rval = QLA_FUNCTION_FAILED;
2099                 } else {
2100                         atomic_set(&vha->loop_state, LOOP_READY);
2101
2102                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2103                 }
2104         }
2105
2106         if (rval) {
2107                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2108                     __func__, vha->host_no));
2109         } else {
2110                 DEBUG3(printk("%s: exiting normally\n", __func__));
2111         }
2112
2113         /* Restore state if a resync event occurred during processing */
2114         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2115                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2116                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2117                 if (test_bit(RSCN_UPDATE, &save_flags)) {
2118                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2119                         vha->flags.rscn_queue_overflow = 1;
2120                 }
2121         }
2122
2123         return (rval);
2124 }
2125
2126
2127
2128 /*
2129  * qla2x00_configure_local_loop
2130  *      Updates Fibre Channel Device Database with local loop devices.
2131  *
2132  * Input:
2133  *      ha = adapter block pointer.
2134  *
2135  * Returns:
2136  *      0 = success.
2137  */
2138 static int
2139 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2140 {
2141         int             rval, rval2;
2142         int             found_devs;
2143         int             found;
2144         fc_port_t       *fcport, *new_fcport;
2145
2146         uint16_t        index;
2147         uint16_t        entries;
2148         char            *id_iter;
2149         uint16_t        loop_id;
2150         uint8_t         domain, area, al_pa;
2151         struct qla_hw_data *ha = vha->hw;
2152
2153         found_devs = 0;
2154         new_fcport = NULL;
2155         entries = MAX_FIBRE_DEVICES;
2156
2157         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2158         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2159
2160         /* Get list of logged in devices. */
2161         memset(ha->gid_list, 0, GID_LIST_SIZE);
2162         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2163             &entries);
2164         if (rval != QLA_SUCCESS)
2165                 goto cleanup_allocation;
2166
2167         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2168             vha->host_no, entries));
2169         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2170             entries * sizeof(struct gid_list_info)));
2171
2172         /* Allocate temporary fcport for any new fcports discovered. */
2173         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2174         if (new_fcport == NULL) {
2175                 rval = QLA_MEMORY_ALLOC_FAILED;
2176                 goto cleanup_allocation;
2177         }
2178         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2179
2180         /*
2181          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2182          */
2183         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2184                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2185                     fcport->port_type != FCT_BROADCAST &&
2186                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2187
2188                         DEBUG(printk("scsi(%ld): Marking port lost, "
2189                             "loop_id=0x%04x\n",
2190                             vha->host_no, fcport->loop_id));
2191
2192                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2193                 }
2194         }
2195
2196         /* Add devices to port list. */
2197         id_iter = (char *)ha->gid_list;
2198         for (index = 0; index < entries; index++) {
2199                 domain = ((struct gid_list_info *)id_iter)->domain;
2200                 area = ((struct gid_list_info *)id_iter)->area;
2201                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2202                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2203                         loop_id = (uint16_t)
2204                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2205                 else
2206                         loop_id = le16_to_cpu(
2207                             ((struct gid_list_info *)id_iter)->loop_id);
2208                 id_iter += ha->gid_list_info_size;
2209
2210                 /* Bypass reserved domain fields. */
2211                 if ((domain & 0xf0) == 0xf0)
2212                         continue;
2213
2214                 /* Bypass if not same domain and area of adapter. */
2215                 if (area && domain &&
2216                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2217                         continue;
2218
2219                 /* Bypass invalid local loop ID. */
2220                 if (loop_id > LAST_LOCAL_LOOP_ID)
2221                         continue;
2222
2223                 /* Fill in member data. */
2224                 new_fcport->d_id.b.domain = domain;
2225                 new_fcport->d_id.b.area = area;
2226                 new_fcport->d_id.b.al_pa = al_pa;
2227                 new_fcport->loop_id = loop_id;
2228                 new_fcport->vp_idx = vha->vp_idx;
2229                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2230                 if (rval2 != QLA_SUCCESS) {
2231                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2232                             "information -- get_port_database=%x, "
2233                             "loop_id=0x%04x\n",
2234                             vha->host_no, rval2, new_fcport->loop_id));
2235                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2236                             vha->host_no));
2237                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2238                         continue;
2239                 }
2240
2241                 /* Check for matching device in port list. */
2242                 found = 0;
2243                 fcport = NULL;
2244                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2245                         if (memcmp(new_fcport->port_name, fcport->port_name,
2246                             WWN_SIZE))
2247                                 continue;
2248
2249                         fcport->flags &= ~FCF_FABRIC_DEVICE;
2250                         fcport->loop_id = new_fcport->loop_id;
2251                         fcport->port_type = new_fcport->port_type;
2252                         fcport->d_id.b24 = new_fcport->d_id.b24;
2253                         memcpy(fcport->node_name, new_fcport->node_name,
2254                             WWN_SIZE);
2255
2256                         found++;
2257                         break;
2258                 }
2259
2260                 if (!found) {
2261                         /* New device, add to fcports list. */
2262                         if (vha->vp_idx) {
2263                                 new_fcport->vha = vha;
2264                                 new_fcport->vp_idx = vha->vp_idx;
2265                         }
2266                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2267
2268                         /* Allocate a new replacement fcport. */
2269                         fcport = new_fcport;
2270                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2271                         if (new_fcport == NULL) {
2272                                 rval = QLA_MEMORY_ALLOC_FAILED;
2273                                 goto cleanup_allocation;
2274                         }
2275                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2276                 }
2277
2278                 /* Base iIDMA settings on HBA port speed. */
2279                 fcport->fp_speed = ha->link_data_rate;
2280
2281                 qla2x00_update_fcport(vha, fcport);
2282
2283                 found_devs++;
2284         }
2285
2286 cleanup_allocation:
2287         kfree(new_fcport);
2288
2289         if (rval != QLA_SUCCESS) {
2290                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2291                     "rval=%x\n", vha->host_no, rval));
2292         }
2293
2294         return (rval);
2295 }
2296
2297 static void
2298 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2299 {
2300 #define LS_UNKNOWN      2
2301         static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2302         char *link_speed;
2303         int rval;
2304         uint16_t mb[4];
2305         struct qla_hw_data *ha = vha->hw;
2306
2307         if (!IS_IIDMA_CAPABLE(ha))
2308                 return;
2309
2310         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2311             fcport->fp_speed > ha->link_data_rate)
2312                 return;
2313
2314         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2315             mb);
2316         if (rval != QLA_SUCCESS) {
2317                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2318                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2319                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2320                     fcport->port_name[2], fcport->port_name[3],
2321                     fcport->port_name[4], fcport->port_name[5],
2322                     fcport->port_name[6], fcport->port_name[7], rval,
2323                     fcport->fp_speed, mb[0], mb[1]));
2324         } else {
2325                 link_speed = link_speeds[LS_UNKNOWN];
2326                 if (fcport->fp_speed < 5)
2327                         link_speed = link_speeds[fcport->fp_speed];
2328                 else if (fcport->fp_speed == 0x13)
2329                         link_speed = link_speeds[5];
2330                 DEBUG2(qla_printk(KERN_INFO, ha,
2331                     "iIDMA adjusted to %s GB/s on "
2332                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2333                     link_speed, fcport->port_name[0],
2334                     fcport->port_name[1], fcport->port_name[2],
2335                     fcport->port_name[3], fcport->port_name[4],
2336                     fcport->port_name[5], fcport->port_name[6],
2337                     fcport->port_name[7]));
2338         }
2339 }
2340
2341 static void
2342 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2343 {
2344         struct fc_rport_identifiers rport_ids;
2345         struct fc_rport *rport;
2346         struct qla_hw_data *ha = vha->hw;
2347
2348         if (fcport->drport)
2349                 qla2x00_rport_del(fcport);
2350
2351         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2352         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2353         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2354             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2355         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2356         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2357         if (!rport) {
2358                 qla_printk(KERN_WARNING, ha,
2359                     "Unable to allocate fc remote port!\n");
2360                 return;
2361         }
2362         spin_lock_irq(fcport->vha->host->host_lock);
2363         *((fc_port_t **)rport->dd_data) = fcport;
2364         spin_unlock_irq(fcport->vha->host->host_lock);
2365
2366         rport->supported_classes = fcport->supported_classes;
2367
2368         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2369         if (fcport->port_type == FCT_INITIATOR)
2370                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2371         if (fcport->port_type == FCT_TARGET)
2372                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2373         fc_remote_port_rolechg(rport, rport_ids.roles);
2374 }
2375
2376 /*
2377  * qla2x00_update_fcport
2378  *      Updates device on list.
2379  *
2380  * Input:
2381  *      ha = adapter block pointer.
2382  *      fcport = port structure pointer.
2383  *
2384  * Return:
2385  *      0  - Success
2386  *  BIT_0 - error
2387  *
2388  * Context:
2389  *      Kernel context.
2390  */
2391 void
2392 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2393 {
2394         struct qla_hw_data *ha = vha->hw;
2395
2396         fcport->vha = vha;
2397         fcport->login_retry = 0;
2398         fcport->port_login_retry_count = ha->port_down_retry_count *
2399             PORT_RETRY_TIME;
2400         atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2401             PORT_RETRY_TIME);
2402         fcport->flags &= ~FCF_LOGIN_NEEDED;
2403
2404         qla2x00_iidma_fcport(vha, fcport);
2405
2406         atomic_set(&fcport->state, FCS_ONLINE);
2407
2408         qla2x00_reg_remote_port(vha, fcport);
2409 }
2410
2411 /*
2412  * qla2x00_configure_fabric
2413  *      Setup SNS devices with loop ID's.
2414  *
2415  * Input:
2416  *      ha = adapter block pointer.
2417  *
2418  * Returns:
2419  *      0 = success.
2420  *      BIT_0 = error
2421  */
2422 static int
2423 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2424 {
2425         int     rval, rval2;
2426         fc_port_t       *fcport, *fcptemp;
2427         uint16_t        next_loopid;
2428         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2429         uint16_t        loop_id;
2430         LIST_HEAD(new_fcports);
2431         struct qla_hw_data *ha = vha->hw;
2432         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2433
2434         /* If FL port exists, then SNS is present */
2435         if (IS_FWI2_CAPABLE(ha))
2436                 loop_id = NPH_F_PORT;
2437         else
2438                 loop_id = SNS_FL_PORT;
2439         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2440         if (rval != QLA_SUCCESS) {
2441                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2442                     "Port\n", vha->host_no));
2443
2444                 vha->device_flags &= ~SWITCH_FOUND;
2445                 return (QLA_SUCCESS);
2446         }
2447         vha->device_flags |= SWITCH_FOUND;
2448
2449         /* Mark devices that need re-synchronization. */
2450         rval2 = qla2x00_device_resync(vha);
2451         if (rval2 == QLA_RSCNS_HANDLED) {
2452                 /* No point doing the scan, just continue. */
2453                 return (QLA_SUCCESS);
2454         }
2455         do {
2456                 /* FDMI support. */
2457                 if (ql2xfdmienable &&
2458                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2459                         qla2x00_fdmi_register(vha);
2460
2461                 /* Ensure we are logged into the SNS. */
2462                 if (IS_FWI2_CAPABLE(ha))
2463                         loop_id = NPH_SNS;
2464                 else
2465                         loop_id = SIMPLE_NAME_SERVER;
2466                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2467                     0xfc, mb, BIT_1 | BIT_0);
2468                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2469                         DEBUG2(qla_printk(KERN_INFO, ha,
2470                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2471                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2472                             mb[0], mb[1], mb[2], mb[6], mb[7]));
2473                         return (QLA_SUCCESS);
2474                 }
2475
2476                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2477                         if (qla2x00_rft_id(vha)) {
2478                                 /* EMPTY */
2479                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2480                                     "TYPE failed.\n", vha->host_no));
2481                         }
2482                         if (qla2x00_rff_id(vha)) {
2483                                 /* EMPTY */
2484                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2485                                     "Features failed.\n", vha->host_no));
2486                         }
2487                         if (qla2x00_rnn_id(vha)) {
2488                                 /* EMPTY */
2489                                 DEBUG2(printk("scsi(%ld): Register Node Name "
2490                                     "failed.\n", vha->host_no));
2491                         } else if (qla2x00_rsnn_nn(vha)) {
2492                                 /* EMPTY */
2493                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
2494                                     "Node Name failed.\n", vha->host_no));
2495                         }
2496                 }
2497
2498                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2499                 if (rval != QLA_SUCCESS)
2500                         break;
2501
2502                 /*
2503                  * Logout all previous fabric devices marked lost, except
2504                  * tape devices.
2505                  */
2506                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2507                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2508                                 break;
2509
2510                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2511                                 continue;
2512
2513                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2514                                 qla2x00_mark_device_lost(vha, fcport,
2515                                     ql2xplogiabsentdevice, 0);
2516                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
2517                                     (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2518                                     fcport->port_type != FCT_INITIATOR &&
2519                                     fcport->port_type != FCT_BROADCAST) {
2520                                         ha->isp_ops->fabric_logout(vha,
2521                                             fcport->loop_id,
2522                                             fcport->d_id.b.domain,
2523                                             fcport->d_id.b.area,
2524                                             fcport->d_id.b.al_pa);
2525                                         fcport->loop_id = FC_NO_LOOP_ID;
2526                                 }
2527                         }
2528                 }
2529
2530                 /* Starting free loop ID. */
2531                 next_loopid = ha->min_external_loopid;
2532
2533                 /*
2534                  * Scan through our port list and login entries that need to be
2535                  * logged in.
2536                  */
2537                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2538                         if (atomic_read(&vha->loop_down_timer) ||
2539                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2540                                 break;
2541
2542                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2543                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2544                                 continue;
2545
2546                         if (fcport->loop_id == FC_NO_LOOP_ID) {
2547                                 fcport->loop_id = next_loopid;
2548                                 rval = qla2x00_find_new_loop_id(
2549                                     base_vha, fcport);
2550                                 if (rval != QLA_SUCCESS) {
2551                                         /* Ran out of IDs to use */
2552                                         break;
2553                                 }
2554                         }
2555                         /* Login and update database */
2556                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2557                 }
2558
2559                 /* Exit if out of loop IDs. */
2560                 if (rval != QLA_SUCCESS) {
2561                         break;
2562                 }
2563
2564                 /*
2565                  * Login and add the new devices to our port list.
2566                  */
2567                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2568                         if (atomic_read(&vha->loop_down_timer) ||
2569                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2570                                 break;
2571
2572                         /* Find a new loop ID to use. */
2573                         fcport->loop_id = next_loopid;
2574                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
2575                         if (rval != QLA_SUCCESS) {
2576                                 /* Ran out of IDs to use */
2577                                 break;
2578                         }
2579
2580                         /* Login and update database */
2581                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2582
2583                         if (vha->vp_idx) {
2584                                 fcport->vha = vha;
2585                                 fcport->vp_idx = vha->vp_idx;
2586                         }
2587                         list_move_tail(&fcport->list, &vha->vp_fcports);
2588                 }
2589         } while (0);
2590
2591         /* Free all new device structures not processed. */
2592         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2593                 list_del(&fcport->list);
2594                 kfree(fcport);
2595         }
2596
2597         if (rval) {
2598                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2599                     "rval=%d\n", vha->host_no, rval));
2600         }
2601
2602         return (rval);
2603 }
2604
2605
2606 /*
2607  * qla2x00_find_all_fabric_devs
2608  *
2609  * Input:
2610  *      ha = adapter block pointer.
2611  *      dev = database device entry pointer.
2612  *
2613  * Returns:
2614  *      0 = success.
2615  *
2616  * Context:
2617  *      Kernel context.
2618  */
2619 static int
2620 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2621         struct list_head *new_fcports)
2622 {
2623         int             rval;
2624         uint16_t        loop_id;
2625         fc_port_t       *fcport, *new_fcport, *fcptemp;
2626         int             found;
2627
2628         sw_info_t       *swl;
2629         int             swl_idx;
2630         int             first_dev, last_dev;
2631         port_id_t       wrap, nxt_d_id;
2632         struct qla_hw_data *ha = vha->hw;
2633         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
2634         struct scsi_qla_host *tvp;
2635
2636         rval = QLA_SUCCESS;
2637
2638         /* Try GID_PT to get device list, else GAN. */
2639         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2640         if (!swl) {
2641                 /*EMPTY*/
2642                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2643                     "on GA_NXT\n", vha->host_no));
2644         } else {
2645                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
2646                         kfree(swl);
2647                         swl = NULL;
2648                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
2649                         kfree(swl);
2650                         swl = NULL;
2651                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
2652                         kfree(swl);
2653                         swl = NULL;
2654                 } else if (ql2xiidmaenable &&
2655                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2656                         qla2x00_gpsc(vha, swl);
2657                 }
2658         }
2659         swl_idx = 0;
2660
2661         /* Allocate temporary fcport for any new fcports discovered. */
2662         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2663         if (new_fcport == NULL) {
2664                 kfree(swl);
2665                 return (QLA_MEMORY_ALLOC_FAILED);
2666         }
2667         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2668         /* Set start port ID scan at adapter ID. */
2669         first_dev = 1;
2670         last_dev = 0;
2671
2672         /* Starting free loop ID. */
2673         loop_id = ha->min_external_loopid;
2674         for (; loop_id <= ha->max_loop_id; loop_id++) {
2675                 if (qla2x00_is_reserved_id(vha, loop_id))
2676                         continue;
2677
2678                 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
2679                         break;
2680
2681                 if (swl != NULL) {
2682                         if (last_dev) {
2683                                 wrap.b24 = new_fcport->d_id.b24;
2684                         } else {
2685                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2686                                 memcpy(new_fcport->node_name,
2687                                     swl[swl_idx].node_name, WWN_SIZE);
2688                                 memcpy(new_fcport->port_name,
2689                                     swl[swl_idx].port_name, WWN_SIZE);
2690                                 memcpy(new_fcport->fabric_port_name,
2691                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
2692                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2693
2694                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2695                                         last_dev = 1;
2696                                 }
2697                                 swl_idx++;
2698                         }
2699                 } else {
2700                         /* Send GA_NXT to the switch */
2701                         rval = qla2x00_ga_nxt(vha, new_fcport);
2702                         if (rval != QLA_SUCCESS) {
2703                                 qla_printk(KERN_WARNING, ha,
2704                                     "SNS scan failed -- assuming zero-entry "
2705                                     "result...\n");
2706                                 list_for_each_entry_safe(fcport, fcptemp,
2707                                     new_fcports, list) {
2708                                         list_del(&fcport->list);
2709                                         kfree(fcport);
2710                                 }
2711                                 rval = QLA_SUCCESS;
2712                                 break;
2713                         }
2714                 }
2715
2716                 /* If wrap on switch device list, exit. */
2717                 if (first_dev) {
2718                         wrap.b24 = new_fcport->d_id.b24;
2719                         first_dev = 0;
2720                 } else if (new_fcport->d_id.b24 == wrap.b24) {
2721                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2722                             vha->host_no, new_fcport->d_id.b.domain,
2723                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2724                         break;
2725                 }
2726
2727                 /* Bypass if same physical adapter. */
2728                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
2729                         continue;
2730
2731                 /* Bypass virtual ports of the same host. */
2732                 found = 0;
2733                 if (ha->num_vhosts) {
2734                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2735                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2736                                         found = 1;
2737                                         break;
2738                                 }
2739                         }
2740                         if (found)
2741                                 continue;
2742                 }
2743
2744                 /* Bypass if same domain and area of adapter. */
2745                 if (((new_fcport->d_id.b24 & 0xffff00) ==
2746                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2747                         ISP_CFG_FL)
2748                             continue;
2749
2750                 /* Bypass reserved domain fields. */
2751                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2752                         continue;
2753
2754                 /* Locate matching device in database. */
2755                 found = 0;
2756                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2757                         if (memcmp(new_fcport->port_name, fcport->port_name,
2758                             WWN_SIZE))
2759                                 continue;
2760
2761                         found++;
2762
2763                         /* Update port state. */
2764                         memcpy(fcport->fabric_port_name,
2765                             new_fcport->fabric_port_name, WWN_SIZE);
2766                         fcport->fp_speed = new_fcport->fp_speed;
2767
2768                         /*
2769                          * If address the same and state FCS_ONLINE, nothing
2770                          * changed.
2771                          */
2772                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2773                             atomic_read(&fcport->state) == FCS_ONLINE) {
2774                                 break;
2775                         }
2776
2777                         /*
2778                          * If device was not a fabric device before.
2779                          */
2780                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2781                                 fcport->d_id.b24 = new_fcport->d_id.b24;
2782                                 fcport->loop_id = FC_NO_LOOP_ID;
2783                                 fcport->flags |= (FCF_FABRIC_DEVICE |
2784                                     FCF_LOGIN_NEEDED);
2785                                 break;
2786                         }
2787
2788                         /*
2789                          * Port ID changed or device was marked to be updated;
2790                          * Log it out if still logged in and mark it for
2791                          * relogin later.
2792                          */
2793                         fcport->d_id.b24 = new_fcport->d_id.b24;
2794                         fcport->flags |= FCF_LOGIN_NEEDED;
2795                         if (fcport->loop_id != FC_NO_LOOP_ID &&
2796                             (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2797                             fcport->port_type != FCT_INITIATOR &&
2798                             fcport->port_type != FCT_BROADCAST) {
2799                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
2800                                     fcport->d_id.b.domain, fcport->d_id.b.area,
2801                                     fcport->d_id.b.al_pa);
2802                                 fcport->loop_id = FC_NO_LOOP_ID;
2803                         }
2804
2805                         break;
2806                 }
2807
2808                 if (found)
2809                         continue;
2810                 /* If device was not in our fcports list, then add it. */
2811                 list_add_tail(&new_fcport->list, new_fcports);
2812
2813                 /* Allocate a new replacement fcport. */
2814                 nxt_d_id.b24 = new_fcport->d_id.b24;
2815                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2816                 if (new_fcport == NULL) {
2817                         kfree(swl);
2818                         return (QLA_MEMORY_ALLOC_FAILED);
2819                 }
2820                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2821                 new_fcport->d_id.b24 = nxt_d_id.b24;
2822         }
2823
2824         kfree(swl);
2825         kfree(new_fcport);
2826
2827         return (rval);
2828 }
2829
2830 /*
2831  * qla2x00_find_new_loop_id
2832  *      Scan through our port list and find a new usable loop ID.
2833  *
2834  * Input:
2835  *      ha:     adapter state pointer.
2836  *      dev:    port structure pointer.
2837  *
2838  * Returns:
2839  *      qla2x00 local function return status code.
2840  *
2841  * Context:
2842  *      Kernel context.
2843  */
2844 static int
2845 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
2846 {
2847         int     rval;
2848         int     found;
2849         fc_port_t *fcport;
2850         uint16_t first_loop_id;
2851         struct qla_hw_data *ha = vha->hw;
2852         struct scsi_qla_host *vp;
2853         struct scsi_qla_host *tvp;
2854
2855         rval = QLA_SUCCESS;
2856
2857         /* Save starting loop ID. */
2858         first_loop_id = dev->loop_id;
2859
2860         for (;;) {
2861                 /* Skip loop ID if already used by adapter. */
2862                 if (dev->loop_id == vha->loop_id)
2863                         dev->loop_id++;
2864
2865                 /* Skip reserved loop IDs. */
2866                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
2867                         dev->loop_id++;
2868
2869                 /* Reset loop ID if passed the end. */
2870                 if (dev->loop_id > ha->max_loop_id) {
2871                         /* first loop ID. */
2872                         dev->loop_id = ha->min_external_loopid;
2873                 }
2874
2875                 /* Check for loop ID being already in use. */
2876                 found = 0;
2877                 fcport = NULL;
2878                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2879                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
2880                                 if (fcport->loop_id == dev->loop_id &&
2881                                                                 fcport != dev) {
2882                                         /* ID possibly in use */
2883                                         found++;
2884                                         break;
2885                                 }
2886                         }
2887                         if (found)
2888                                 break;
2889                 }
2890
2891                 /* If not in use then it is free to use. */
2892                 if (!found) {
2893                         break;
2894                 }
2895
2896                 /* ID in use. Try next value. */
2897                 dev->loop_id++;
2898
2899                 /* If wrap around. No free ID to use. */
2900                 if (dev->loop_id == first_loop_id) {
2901                         dev->loop_id = FC_NO_LOOP_ID;
2902                         rval = QLA_FUNCTION_FAILED;
2903                         break;
2904                 }
2905         }
2906
2907         return (rval);
2908 }
2909
2910 /*
2911  * qla2x00_device_resync
2912  *      Marks devices in the database that needs resynchronization.
2913  *
2914  * Input:
2915  *      ha = adapter block pointer.
2916  *
2917  * Context:
2918  *      Kernel context.
2919  */
2920 static int
2921 qla2x00_device_resync(scsi_qla_host_t *vha)
2922 {
2923         int     rval;
2924         uint32_t mask;
2925         fc_port_t *fcport;
2926         uint32_t rscn_entry;
2927         uint8_t rscn_out_iter;
2928         uint8_t format;
2929         port_id_t d_id;
2930
2931         rval = QLA_RSCNS_HANDLED;
2932
2933         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
2934             vha->flags.rscn_queue_overflow) {
2935
2936                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
2937                 format = MSB(MSW(rscn_entry));
2938                 d_id.b.domain = LSB(MSW(rscn_entry));
2939                 d_id.b.area = MSB(LSW(rscn_entry));
2940                 d_id.b.al_pa = LSB(LSW(rscn_entry));
2941
2942                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2943                     "[%02x/%02x%02x%02x].\n",
2944                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
2945                     d_id.b.area, d_id.b.al_pa));
2946
2947                 vha->rscn_out_ptr++;
2948                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
2949                         vha->rscn_out_ptr = 0;
2950
2951                 /* Skip duplicate entries. */
2952                 for (rscn_out_iter = vha->rscn_out_ptr;
2953                     !vha->flags.rscn_queue_overflow &&
2954                     rscn_out_iter != vha->rscn_in_ptr;
2955                     rscn_out_iter = (rscn_out_iter ==
2956                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2957
2958                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
2959                                 break;
2960
2961                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2962                             "entry found at [%d].\n", vha->host_no,
2963                             rscn_out_iter));
2964
2965                         vha->rscn_out_ptr = rscn_out_iter;
2966                 }
2967
2968                 /* Queue overflow, set switch default case. */
2969                 if (vha->flags.rscn_queue_overflow) {
2970                         DEBUG(printk("scsi(%ld): device_resync: rscn "
2971                             "overflow.\n", vha->host_no));
2972
2973                         format = 3;
2974                         vha->flags.rscn_queue_overflow = 0;
2975                 }
2976
2977                 switch (format) {
2978                 case 0:
2979                         mask = 0xffffff;
2980                         break;
2981                 case 1:
2982                         mask = 0xffff00;
2983                         break;
2984                 case 2:
2985                         mask = 0xff0000;
2986                         break;
2987                 default:
2988                         mask = 0x0;
2989                         d_id.b24 = 0;
2990                         vha->rscn_out_ptr = vha->rscn_in_ptr;
2991                         break;
2992                 }
2993
2994                 rval = QLA_SUCCESS;
2995
2996                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2997                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2998                             (fcport->d_id.b24 & mask) != d_id.b24 ||
2999                             fcport->port_type == FCT_BROADCAST)
3000                                 continue;
3001
3002                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
3003                                 if (format != 3 ||
3004                                     fcport->port_type != FCT_INITIATOR) {
3005                                         qla2x00_mark_device_lost(vha, fcport,
3006                                             0, 0);
3007                                 }
3008                         }
3009                 }
3010         }
3011         return (rval);
3012 }
3013
3014 /*
3015  * qla2x00_fabric_dev_login
3016  *      Login fabric target device and update FC port database.
3017  *
3018  * Input:
3019  *      ha:             adapter state pointer.
3020  *      fcport:         port structure list pointer.
3021  *      next_loopid:    contains value of a new loop ID that can be used
3022  *                      by the next login attempt.
3023  *
3024  * Returns:
3025  *      qla2x00 local function return status code.
3026  *
3027  * Context:
3028  *      Kernel context.
3029  */
3030 static int
3031 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3032     uint16_t *next_loopid)
3033 {
3034         int     rval;
3035         int     retry;
3036         uint8_t opts;
3037         struct qla_hw_data *ha = vha->hw;
3038
3039         rval = QLA_SUCCESS;
3040         retry = 0;
3041
3042         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3043         if (rval == QLA_SUCCESS) {
3044                 /* Send an ADISC to tape devices.*/
3045                 opts = 0;
3046                 if (fcport->flags & FCF_TAPE_PRESENT)
3047                         opts |= BIT_1;
3048                 rval = qla2x00_get_port_database(vha, fcport, opts);
3049                 if (rval != QLA_SUCCESS) {
3050                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3051                             fcport->d_id.b.domain, fcport->d_id.b.area,
3052                             fcport->d_id.b.al_pa);
3053                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3054                 } else {
3055                         qla2x00_update_fcport(vha, fcport);
3056                 }
3057         }
3058
3059         return (rval);
3060 }
3061
3062 /*
3063  * qla2x00_fabric_login
3064  *      Issue fabric login command.
3065  *
3066  * Input:
3067  *      ha = adapter block pointer.
3068  *      device = pointer to FC device type structure.
3069  *
3070  * Returns:
3071  *      0 - Login successfully
3072  *      1 - Login failed
3073  *      2 - Initiator device
3074  *      3 - Fatal error
3075  */
3076 int
3077 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3078     uint16_t *next_loopid)
3079 {
3080         int     rval;
3081         int     retry;
3082         uint16_t tmp_loopid;
3083         uint16_t mb[MAILBOX_REGISTER_COUNT];
3084         struct qla_hw_data *ha = vha->hw;
3085
3086         retry = 0;
3087         tmp_loopid = 0;
3088
3089         for (;;) {
3090                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3091                     "for port %02x%02x%02x.\n",
3092                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3093                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3094
3095                 /* Login fcport on switch. */
3096                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3097                     fcport->d_id.b.domain, fcport->d_id.b.area,
3098                     fcport->d_id.b.al_pa, mb, BIT_0);
3099                 if (mb[0] == MBS_PORT_ID_USED) {
3100                         /*
3101                          * Device has another loop ID.  The firmware team
3102                          * recommends the driver perform an implicit login with
3103                          * the specified ID again. The ID we just used is save
3104                          * here so we return with an ID that can be tried by
3105                          * the next login.
3106                          */
3107                         retry++;
3108                         tmp_loopid = fcport->loop_id;
3109                         fcport->loop_id = mb[1];
3110
3111                         DEBUG(printk("Fabric Login: port in use - next "
3112                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3113                             fcport->loop_id, fcport->d_id.b.domain,
3114                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3115
3116                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3117                         /*
3118                          * Login succeeded.
3119                          */
3120                         if (retry) {
3121                                 /* A retry occurred before. */
3122                                 *next_loopid = tmp_loopid;
3123                         } else {
3124                                 /*
3125                                  * No retry occurred before. Just increment the
3126                                  * ID value for next login.
3127                                  */
3128                                 *next_loopid = (fcport->loop_id + 1);
3129                         }
3130
3131                         if (mb[1] & BIT_0) {
3132                                 fcport->port_type = FCT_INITIATOR;
3133                         } else {
3134                                 fcport->port_type = FCT_TARGET;
3135                                 if (mb[1] & BIT_1) {
3136                                         fcport->flags |= FCF_TAPE_PRESENT;
3137                                 }
3138                         }
3139
3140                         if (mb[10] & BIT_0)
3141                                 fcport->supported_classes |= FC_COS_CLASS2;
3142                         if (mb[10] & BIT_1)
3143                                 fcport->supported_classes |= FC_COS_CLASS3;
3144
3145                         rval = QLA_SUCCESS;
3146                         break;
3147                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3148                         /*
3149                          * Loop ID already used, try next loop ID.
3150                          */
3151                         fcport->loop_id++;
3152                         rval = qla2x00_find_new_loop_id(vha, fcport);
3153                         if (rval != QLA_SUCCESS) {
3154                                 /* Ran out of loop IDs to use */
3155                                 break;
3156                         }
3157                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3158                         /*
3159                          * Firmware possibly timed out during login. If NO
3160                          * retries are left to do then the device is declared
3161                          * dead.
3162                          */
3163                         *next_loopid = fcport->loop_id;
3164                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3165                             fcport->d_id.b.domain, fcport->d_id.b.area,
3166                             fcport->d_id.b.al_pa);
3167                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3168
3169                         rval = 1;
3170                         break;
3171                 } else {
3172                         /*
3173                          * unrecoverable / not handled error
3174                          */
3175                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3176                             "loop_id=%x jiffies=%lx.\n",
3177                             __func__, vha->host_no, mb[0],
3178                             fcport->d_id.b.domain, fcport->d_id.b.area,
3179                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3180
3181                         *next_loopid = fcport->loop_id;
3182                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3183                             fcport->d_id.b.domain, fcport->d_id.b.area,
3184                             fcport->d_id.b.al_pa);
3185                         fcport->loop_id = FC_NO_LOOP_ID;
3186                         fcport->login_retry = 0;
3187
3188                         rval = 3;
3189                         break;
3190                 }
3191         }
3192
3193         return (rval);
3194 }
3195
3196 /*
3197  * qla2x00_local_device_login
3198  *      Issue local device login command.
3199  *
3200  * Input:
3201  *      ha = adapter block pointer.
3202  *      loop_id = loop id of device to login to.
3203  *
3204  * Returns (Where's the #define!!!!):
3205  *      0 - Login successfully
3206  *      1 - Login failed
3207  *      3 - Fatal error
3208  */
3209 int
3210 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3211 {
3212         int             rval;
3213         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3214
3215         memset(mb, 0, sizeof(mb));
3216         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3217         if (rval == QLA_SUCCESS) {
3218                 /* Interrogate mailbox registers for any errors */
3219                 if (mb[0] == MBS_COMMAND_ERROR)
3220                         rval = 1;
3221                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3222                         /* device not in PCB table */
3223                         rval = 3;
3224         }
3225
3226         return (rval);
3227 }
3228
3229 /*
3230  *  qla2x00_loop_resync
3231  *      Resync with fibre channel devices.
3232  *
3233  * Input:
3234  *      ha = adapter block pointer.
3235  *
3236  * Returns:
3237  *      0 = success
3238  */
3239 int
3240 qla2x00_loop_resync(scsi_qla_host_t *vha)
3241 {
3242         int rval = QLA_SUCCESS;
3243         uint32_t wait_time;
3244         struct req_que *req;
3245         struct rsp_que *rsp;
3246
3247         if (ql2xmultique_tag)
3248                 req = vha->hw->req_q_map[0];
3249         else
3250                 req = vha->req;
3251         rsp = req->rsp;
3252
3253         atomic_set(&vha->loop_state, LOOP_UPDATE);
3254         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3255         if (vha->flags.online) {
3256                 if (!(rval = qla2x00_fw_ready(vha))) {
3257                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3258                         wait_time = 256;
3259                         do {
3260                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3261
3262                                 /* Issue a marker after FW becomes ready. */
3263                                 qla2x00_marker(vha, req, rsp, 0, 0,
3264                                         MK_SYNC_ALL);
3265                                 vha->marker_needed = 0;
3266
3267                                 /* Remap devices on Loop. */
3268                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3269
3270                                 qla2x00_configure_loop(vha);
3271                                 wait_time--;
3272                         } while (!atomic_read(&vha->loop_down_timer) &&
3273                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3274                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3275                                 &vha->dpc_flags)));
3276                 }
3277         }
3278
3279         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3280                 return (QLA_FUNCTION_FAILED);
3281
3282         if (rval)
3283                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3284
3285         return (rval);
3286 }
3287
3288 void
3289 qla2x00_update_fcports(scsi_qla_host_t *vha)
3290 {
3291         fc_port_t *fcport;
3292
3293         /* Go with deferred removal of rport references. */
3294         list_for_each_entry(fcport, &vha->vp_fcports, list)
3295                 if (fcport && fcport->drport &&
3296                     atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3297                         qla2x00_rport_del(fcport);
3298 }
3299
3300 /*
3301 *  qla2x00_abort_isp
3302 *      Resets ISP and aborts all outstanding commands.
3303 *
3304 * Input:
3305 *      ha           = adapter block pointer.
3306 *
3307 * Returns:
3308 *      0 = success
3309 */
3310 int
3311 qla2x00_abort_isp(scsi_qla_host_t *vha)
3312 {
3313         int rval;
3314         uint8_t        status = 0;
3315         struct qla_hw_data *ha = vha->hw;
3316         struct scsi_qla_host *vp;
3317         struct scsi_qla_host *tvp;
3318         struct req_que *req = ha->req_q_map[0];
3319
3320         if (vha->flags.online) {
3321                 vha->flags.online = 0;
3322                 ha->flags.chip_reset_done = 0;
3323                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3324                 ha->qla_stats.total_isp_aborts++;
3325
3326                 qla_printk(KERN_INFO, ha,
3327                     "Performing ISP error recovery - ha= %p.\n", ha);
3328                 ha->isp_ops->reset_chip(vha);
3329
3330                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3331                 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3332                         atomic_set(&vha->loop_state, LOOP_DOWN);
3333                         qla2x00_mark_all_devices_lost(vha, 0);
3334                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
3335                                qla2x00_mark_all_devices_lost(vp, 0);
3336                 } else {
3337                         if (!atomic_read(&vha->loop_down_timer))
3338                                 atomic_set(&vha->loop_down_timer,
3339                                     LOOP_DOWN_TIME);
3340                 }
3341
3342                 /* Requeue all commands in outstanding command list. */
3343                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3344
3345                 ha->isp_ops->get_flash_version(vha, req->ring);
3346
3347                 ha->isp_ops->nvram_config(vha);
3348
3349                 if (!qla2x00_restart_isp(vha)) {
3350                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3351
3352                         if (!atomic_read(&vha->loop_down_timer)) {
3353                                 /*
3354                                  * Issue marker command only when we are going
3355                                  * to start the I/O .
3356                                  */
3357                                 vha->marker_needed = 1;
3358                         }
3359
3360                         vha->flags.online = 1;
3361
3362                         ha->isp_ops->enable_intrs(ha);
3363
3364                         ha->isp_abort_cnt = 0;
3365                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3366
3367                         if (ha->fce) {
3368                                 ha->flags.fce_enabled = 1;
3369                                 memset(ha->fce, 0,
3370                                     fce_calc_size(ha->fce_bufs));
3371                                 rval = qla2x00_enable_fce_trace(vha,
3372                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3373                                     &ha->fce_bufs);
3374                                 if (rval) {
3375                                         qla_printk(KERN_WARNING, ha,
3376                                             "Unable to reinitialize FCE "
3377                                             "(%d).\n", rval);
3378                                         ha->flags.fce_enabled = 0;
3379                                 }
3380                         }
3381
3382                         if (ha->eft) {
3383                                 memset(ha->eft, 0, EFT_SIZE);
3384                                 rval = qla2x00_enable_eft_trace(vha,
3385                                     ha->eft_dma, EFT_NUM_BUFFERS);
3386                                 if (rval) {
3387                                         qla_printk(KERN_WARNING, ha,
3388                                             "Unable to reinitialize EFT "
3389                                             "(%d).\n", rval);
3390                                 }
3391                         }
3392                 } else {        /* failed the ISP abort */
3393                         vha->flags.online = 1;
3394                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3395                                 if (ha->isp_abort_cnt == 0) {
3396                                         qla_printk(KERN_WARNING, ha,
3397                                             "ISP error recovery failed - "
3398                                             "board disabled\n");
3399                                         /*
3400                                          * The next call disables the board
3401                                          * completely.
3402                                          */
3403                                         ha->isp_ops->reset_adapter(vha);
3404                                         vha->flags.online = 0;
3405                                         clear_bit(ISP_ABORT_RETRY,
3406                                             &vha->dpc_flags);
3407                                         status = 0;
3408                                 } else { /* schedule another ISP abort */
3409                                         ha->isp_abort_cnt--;
3410                                         DEBUG(printk("qla%ld: ISP abort - "
3411                                             "retry remaining %d\n",
3412                                             vha->host_no, ha->isp_abort_cnt));
3413                                         status = 1;
3414                                 }
3415                         } else {
3416                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3417                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3418                                     "- retrying (%d) more times\n",
3419                                     vha->host_no, ha->isp_abort_cnt));
3420                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3421                                 status = 1;
3422                         }
3423                 }
3424
3425         }
3426
3427         if (!status) {
3428                 DEBUG(printk(KERN_INFO
3429                                 "qla2x00_abort_isp(%ld): succeeded.\n",
3430                                 vha->host_no));
3431                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3432                         if (vp->vp_idx)
3433                                 qla2x00_vp_abort_isp(vp);
3434                 }
3435         } else {
3436                 qla_printk(KERN_INFO, ha,
3437                         "qla2x00_abort_isp: **** FAILED ****\n");
3438         }
3439
3440         return(status);
3441 }
3442
3443 /*
3444 *  qla2x00_restart_isp
3445 *      restarts the ISP after a reset
3446 *
3447 * Input:
3448 *      ha = adapter block pointer.
3449 *
3450 * Returns:
3451 *      0 = success
3452 */
3453 static int
3454 qla2x00_restart_isp(scsi_qla_host_t *vha)
3455 {
3456         int status = 0;
3457         uint32_t wait_time;
3458         struct qla_hw_data *ha = vha->hw;
3459         struct req_que *req = ha->req_q_map[0];
3460         struct rsp_que *rsp = ha->rsp_q_map[0];
3461
3462         /* If firmware needs to be loaded */
3463         if (qla2x00_isp_firmware(vha)) {
3464                 vha->flags.online = 0;
3465                 status = ha->isp_ops->chip_diag(vha);
3466                 if (!status)
3467                         status = qla2x00_setup_chip(vha);
3468         }
3469
3470         if (!status && !(status = qla2x00_init_rings(vha))) {
3471                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3472                 ha->flags.chip_reset_done = 1;
3473                 /* Initialize the queues in use */
3474                 qla25xx_init_queues(ha);
3475
3476                 status = qla2x00_fw_ready(vha);
3477                 if (!status) {
3478                         DEBUG(printk("%s(): Start configure loop, "
3479                             "status = %d\n", __func__, status));
3480
3481                         /* Issue a marker after FW becomes ready. */
3482                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3483
3484                         vha->flags.online = 1;
3485                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3486                         wait_time = 256;
3487                         do {
3488                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3489                                 qla2x00_configure_loop(vha);
3490                                 wait_time--;
3491                         } while (!atomic_read(&vha->loop_down_timer) &&
3492                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3493                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3494                                 &vha->dpc_flags)));
3495                 }
3496
3497                 /* if no cable then assume it's good */
3498                 if ((vha->device_flags & DFLG_NO_CABLE))
3499                         status = 0;
3500
3501                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3502                                 __func__,
3503                                 status));
3504         }
3505         return (status);
3506 }
3507
3508 static int
3509 qla25xx_init_queues(struct qla_hw_data *ha)
3510 {
3511         struct rsp_que *rsp = NULL;
3512         struct req_que *req = NULL;
3513         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3514         int ret = -1;
3515         int i;
3516
3517         for (i = 1; i < ha->max_rsp_queues; i++) {
3518                 rsp = ha->rsp_q_map[i];
3519                 if (rsp) {
3520                         rsp->options &= ~BIT_0;
3521                         ret = qla25xx_init_rsp_que(base_vha, rsp);
3522                         if (ret != QLA_SUCCESS)
3523                                 DEBUG2_17(printk(KERN_WARNING
3524                                         "%s Rsp que:%d init failed\n", __func__,
3525                                                 rsp->id));
3526                         else
3527                                 DEBUG2_17(printk(KERN_INFO
3528                                         "%s Rsp que:%d inited\n", __func__,
3529                                                 rsp->id));
3530                 }
3531         }
3532         for (i = 1; i < ha->max_req_queues; i++) {
3533                 req = ha->req_q_map[i];
3534                 if (req) {
3535                 /* Clear outstanding commands array. */
3536                         req->options &= ~BIT_0;
3537                         ret = qla25xx_init_req_que(base_vha, req);
3538                         if (ret != QLA_SUCCESS)
3539                                 DEBUG2_17(printk(KERN_WARNING
3540                                         "%s Req que:%d init failed\n", __func__,
3541                                                 req->id));
3542                         else
3543                                 DEBUG2_17(printk(KERN_WARNING
3544                                         "%s Req que:%d inited\n", __func__,
3545                                                 req->id));
3546                 }
3547         }
3548         return ret;
3549 }
3550
3551 /*
3552 * qla2x00_reset_adapter
3553 *      Reset adapter.
3554 *
3555 * Input:
3556 *      ha = adapter block pointer.
3557 */
3558 void
3559 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3560 {
3561         unsigned long flags = 0;
3562         struct qla_hw_data *ha = vha->hw;
3563         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3564
3565         vha->flags.online = 0;
3566         ha->isp_ops->disable_intrs(ha);
3567
3568         spin_lock_irqsave(&ha->hardware_lock, flags);
3569         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3570         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3571         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3572         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3573         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3574 }
3575
3576 void
3577 qla24xx_reset_adapter(scsi_qla_host_t *vha)
3578 {
3579         unsigned long flags = 0;
3580         struct qla_hw_data *ha = vha->hw;
3581         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3582
3583         vha->flags.online = 0;
3584         ha->isp_ops->disable_intrs(ha);
3585
3586         spin_lock_irqsave(&ha->hardware_lock, flags);
3587         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3588         RD_REG_DWORD(&reg->hccr);
3589         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3590         RD_REG_DWORD(&reg->hccr);
3591         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3592
3593         if (IS_NOPOLLING_TYPE(ha))
3594                 ha->isp_ops->enable_intrs(ha);
3595 }
3596
3597 /* On sparc systems, obtain port and node WWN from firmware
3598  * properties.
3599  */
3600 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3601         struct nvram_24xx *nv)
3602 {
3603 #ifdef CONFIG_SPARC
3604         struct qla_hw_data *ha = vha->hw;
3605         struct pci_dev *pdev = ha->pdev;
3606         struct device_node *dp = pci_device_to_OF_node(pdev);
3607         const u8 *val;
3608         int len;
3609
3610         val = of_get_property(dp, "port-wwn", &len);
3611         if (val && len >= WWN_SIZE)
3612                 memcpy(nv->port_name, val, WWN_SIZE);
3613
3614         val = of_get_property(dp, "node-wwn", &len);
3615         if (val && len >= WWN_SIZE)
3616                 memcpy(nv->node_name, val, WWN_SIZE);
3617 #endif
3618 }
3619
3620 int
3621 qla24xx_nvram_config(scsi_qla_host_t *vha)
3622 {
3623         int   rval;
3624         struct init_cb_24xx *icb;
3625         struct nvram_24xx *nv;
3626         uint32_t *dptr;
3627         uint8_t  *dptr1, *dptr2;
3628         uint32_t chksum;
3629         uint16_t cnt;
3630         struct qla_hw_data *ha = vha->hw;
3631
3632         rval = QLA_SUCCESS;
3633         icb = (struct init_cb_24xx *)ha->init_cb;
3634         nv = ha->nvram;
3635
3636         /* Determine NVRAM starting address. */
3637         if (ha->flags.port0) {
3638                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3639                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3640         } else {
3641                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3642                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3643         }
3644         ha->nvram_size = sizeof(struct nvram_24xx);
3645         ha->vpd_size = FA_NVRAM_VPD_SIZE;
3646
3647         /* Get VPD data into cache */
3648         ha->vpd = ha->nvram + VPD_OFFSET;
3649         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3650             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3651
3652         /* Get NVRAM data into cache and calculate checksum. */
3653         dptr = (uint32_t *)nv;
3654         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3655             ha->nvram_size);
3656         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3657                 chksum += le32_to_cpu(*dptr++);
3658
3659         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3660         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3661
3662         /* Bad NVRAM data, set defaults parameters. */
3663         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3664             || nv->id[3] != ' ' ||
3665             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3666                 /* Reset NVRAM data. */
3667                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3668                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3669                     le16_to_cpu(nv->nvram_version));
3670                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3671                     "invalid -- WWPN) defaults.\n");
3672
3673                 /*
3674                  * Set default initialization control block.
3675                  */
3676                 memset(nv, 0, ha->nvram_size);
3677                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3678                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3679                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3680                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3681                 nv->exchange_count = __constant_cpu_to_le16(0);
3682                 nv->hard_address = __constant_cpu_to_le16(124);
3683                 nv->port_name[0] = 0x21;
3684                 nv->port_name[1] = 0x00 + ha->port_no;
3685                 nv->port_name[2] = 0x00;
3686                 nv->port_name[3] = 0xe0;
3687                 nv->port_name[4] = 0x8b;
3688                 nv->port_name[5] = 0x1c;
3689                 nv->port_name[6] = 0x55;
3690                 nv->port_name[7] = 0x86;
3691                 nv->node_name[0] = 0x20;
3692                 nv->node_name[1] = 0x00;
3693                 nv->node_name[2] = 0x00;
3694                 nv->node_name[3] = 0xe0;
3695                 nv->node_name[4] = 0x8b;
3696                 nv->node_name[5] = 0x1c;
3697                 nv->node_name[6] = 0x55;
3698                 nv->node_name[7] = 0x86;
3699                 qla24xx_nvram_wwn_from_ofw(vha, nv);
3700                 nv->login_retry_count = __constant_cpu_to_le16(8);
3701                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3702                 nv->login_timeout = __constant_cpu_to_le16(0);
3703                 nv->firmware_options_1 =
3704                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3705                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3706                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3707                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3708                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3709                 nv->efi_parameters = __constant_cpu_to_le32(0);
3710                 nv->reset_delay = 5;
3711                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3712                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3713                 nv->link_down_timeout = __constant_cpu_to_le16(30);
3714
3715                 rval = 1;
3716         }
3717
3718         /* Reset Initialization control block */
3719         memset(icb, 0, ha->init_cb_size);
3720
3721         /* Copy 1st segment. */
3722         dptr1 = (uint8_t *)icb;
3723         dptr2 = (uint8_t *)&nv->version;
3724         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3725         while (cnt--)
3726                 *dptr1++ = *dptr2++;
3727
3728         icb->login_retry_count = nv->login_retry_count;
3729         icb->link_down_on_nos = nv->link_down_on_nos;
3730
3731         /* Copy 2nd segment. */
3732         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3733         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3734         cnt = (uint8_t *)&icb->reserved_3 -
3735             (uint8_t *)&icb->interrupt_delay_timer;
3736         while (cnt--)
3737                 *dptr1++ = *dptr2++;
3738
3739         /*
3740          * Setup driver NVRAM options.
3741          */
3742         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
3743             "QLA2462");
3744
3745         /* Use alternate WWN? */
3746         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3747                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3748                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3749         }
3750
3751         /* Prepare nodename */
3752         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3753                 /*
3754                  * Firmware will apply the following mask if the nodename was
3755                  * not provided.
3756                  */
3757                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3758                 icb->node_name[0] &= 0xF0;
3759         }
3760
3761         /* Set host adapter parameters. */
3762         ha->flags.disable_risc_code_load = 0;
3763         ha->flags.enable_lip_reset = 0;
3764         ha->flags.enable_lip_full_login =
3765             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3766         ha->flags.enable_target_reset =
3767             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3768         ha->flags.enable_led_scheme = 0;
3769         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3770
3771         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3772             (BIT_6 | BIT_5 | BIT_4)) >> 4;
3773
3774         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3775             sizeof(ha->fw_seriallink_options24));
3776
3777         /* save HBA serial number */
3778         ha->serial0 = icb->port_name[5];
3779         ha->serial1 = icb->port_name[6];
3780         ha->serial2 = icb->port_name[7];
3781         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3782         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
3783
3784         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3785
3786         ha->retry_count = le16_to_cpu(nv->login_retry_count);
3787
3788         /* Set minimum login_timeout to 4 seconds. */
3789         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3790                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3791         if (le16_to_cpu(nv->login_timeout) < 4)
3792                 nv->login_timeout = __constant_cpu_to_le16(4);
3793         ha->login_timeout = le16_to_cpu(nv->login_timeout);
3794         icb->login_timeout = nv->login_timeout;
3795
3796         /* Set minimum RATOV to 100 tenths of a second. */
3797         ha->r_a_tov = 100;
3798
3799         ha->loop_reset_delay = nv->reset_delay;
3800
3801         /* Link Down Timeout = 0:
3802          *
3803          *      When Port Down timer expires we will start returning
3804          *      I/O's to OS with "DID_NO_CONNECT".
3805          *
3806          * Link Down Timeout != 0:
3807          *
3808          *       The driver waits for the link to come up after link down
3809          *       before returning I/Os to OS with "DID_NO_CONNECT".
3810          */
3811         if (le16_to_cpu(nv->link_down_timeout) == 0) {
3812                 ha->loop_down_abort_time =
3813                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3814         } else {
3815                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3816                 ha->loop_down_abort_time =
3817                     (LOOP_DOWN_TIME - ha->link_down_timeout);
3818         }
3819
3820         /* Need enough time to try and get the port back. */
3821         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3822         if (qlport_down_retry)
3823                 ha->port_down_retry_count = qlport_down_retry;
3824
3825         /* Set login_retry_count */
3826         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
3827         if (ha->port_down_retry_count ==
3828             le16_to_cpu(nv->port_down_retry_count) &&
3829             ha->port_down_retry_count > 3)
3830                 ha->login_retry_count = ha->port_down_retry_count;
3831         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3832                 ha->login_retry_count = ha->port_down_retry_count;
3833         if (ql2xloginretrycount)
3834                 ha->login_retry_count = ql2xloginretrycount;
3835
3836         /* Enable ZIO. */
3837         if (!vha->flags.init_done) {
3838                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3839                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3840                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3841                     le16_to_cpu(icb->interrupt_delay_timer): 2;
3842         }
3843         icb->firmware_options_2 &= __constant_cpu_to_le32(
3844             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3845         vha->flags.process_response_queue = 0;
3846         if (ha->zio_mode != QLA_ZIO_DISABLED) {
3847                 ha->zio_mode = QLA_ZIO_MODE_6;
3848
3849                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3850                     "(%d us).\n", vha->host_no, ha->zio_mode,
3851                     ha->zio_timer * 100));
3852                 qla_printk(KERN_INFO, ha,
3853                     "ZIO mode %d enabled; timer delay (%d us).\n",
3854                     ha->zio_mode, ha->zio_timer * 100);
3855
3856                 icb->firmware_options_2 |= cpu_to_le32(
3857                     (uint32_t)ha->zio_mode);
3858                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3859                 vha->flags.process_response_queue = 1;
3860         }
3861
3862         if (rval) {
3863                 DEBUG2_3(printk(KERN_WARNING
3864                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
3865         }
3866         return (rval);
3867 }
3868
3869 static int
3870 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
3871     uint32_t faddr)
3872 {
3873         int     rval = QLA_SUCCESS;
3874         int     segments, fragment;
3875         uint32_t *dcode, dlen;
3876         uint32_t risc_addr;
3877         uint32_t risc_size;
3878         uint32_t i;
3879         struct qla_hw_data *ha = vha->hw;
3880         struct req_que *req = ha->req_q_map[0];
3881
3882         qla_printk(KERN_INFO, ha,
3883             "FW: Loading from flash (%x)...\n", faddr);
3884
3885         rval = QLA_SUCCESS;
3886
3887         segments = FA_RISC_CODE_SEGMENTS;
3888         dcode = (uint32_t *)req->ring;
3889         *srisc_addr = 0;
3890
3891         /* Validate firmware image by checking version. */
3892         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
3893         for (i = 0; i < 4; i++)
3894                 dcode[i] = be32_to_cpu(dcode[i]);
3895         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3896             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3897             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3898                 dcode[3] == 0)) {
3899                 qla_printk(KERN_WARNING, ha,
3900                     "Unable to verify integrity of flash firmware image!\n");
3901                 qla_printk(KERN_WARNING, ha,
3902                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3903                     dcode[1], dcode[2], dcode[3]);
3904
3905                 return QLA_FUNCTION_FAILED;
3906         }
3907
3908         while (segments && rval == QLA_SUCCESS) {
3909                 /* Read segment's load information. */
3910                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
3911
3912                 risc_addr = be32_to_cpu(dcode[2]);
3913                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3914                 risc_size = be32_to_cpu(dcode[3]);
3915
3916                 fragment = 0;
3917                 while (risc_size > 0 && rval == QLA_SUCCESS) {
3918                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3919                         if (dlen > risc_size)
3920                                 dlen = risc_size;
3921
3922                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3923                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3924                             vha->host_no, risc_addr, dlen, faddr));
3925
3926                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
3927                         for (i = 0; i < dlen; i++)
3928                                 dcode[i] = swab32(dcode[i]);
3929
3930                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
3931                             dlen);
3932                         if (rval) {
3933                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3934                                     "segment %d of firmware\n", vha->host_no,
3935                                     fragment));
3936                                 qla_printk(KERN_WARNING, ha,
3937                                     "[ERROR] Failed to load segment %d of "
3938                                     "firmware\n", fragment);
3939                                 break;
3940                         }
3941
3942                         faddr += dlen;
3943                         risc_addr += dlen;
3944                         risc_size -= dlen;
3945                         fragment++;
3946                 }
3947
3948                 /* Next segment. */
3949                 segments--;
3950         }
3951
3952         return rval;
3953 }
3954
3955 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3956
3957 int
3958 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3959 {
3960         int     rval;
3961         int     i, fragment;
3962         uint16_t *wcode, *fwcode;
3963         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3964         struct fw_blob *blob;
3965         struct qla_hw_data *ha = vha->hw;
3966         struct req_que *req = ha->req_q_map[0];
3967
3968         /* Load firmware blob. */
3969         blob = qla2x00_request_firmware(vha);
3970         if (!blob) {
3971                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3972                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3973                     "from: " QLA_FW_URL ".\n");
3974                 return QLA_FUNCTION_FAILED;
3975         }
3976
3977         rval = QLA_SUCCESS;
3978
3979         wcode = (uint16_t *)req->ring;
3980         *srisc_addr = 0;
3981         fwcode = (uint16_t *)blob->fw->data;
3982         fwclen = 0;
3983
3984         /* Validate firmware image by checking version. */
3985         if (blob->fw->size < 8 * sizeof(uint16_t)) {
3986                 qla_printk(KERN_WARNING, ha,
3987                     "Unable to verify integrity of firmware image (%Zd)!\n",
3988                     blob->fw->size);
3989                 goto fail_fw_integrity;
3990         }
3991         for (i = 0; i < 4; i++)
3992                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3993         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3994             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3995                 wcode[2] == 0 && wcode[3] == 0)) {
3996                 qla_printk(KERN_WARNING, ha,
3997                     "Unable to verify integrity of firmware image!\n");
3998                 qla_printk(KERN_WARNING, ha,
3999                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4000                     wcode[1], wcode[2], wcode[3]);
4001                 goto fail_fw_integrity;
4002         }
4003
4004         seg = blob->segs;
4005         while (*seg && rval == QLA_SUCCESS) {
4006                 risc_addr = *seg;
4007                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4008                 risc_size = be16_to_cpu(fwcode[3]);
4009
4010                 /* Validate firmware image size. */
4011                 fwclen += risc_size * sizeof(uint16_t);
4012                 if (blob->fw->size < fwclen) {
4013                         qla_printk(KERN_WARNING, ha,
4014                             "Unable to verify integrity of firmware image "
4015                             "(%Zd)!\n", blob->fw->size);
4016                         goto fail_fw_integrity;
4017                 }
4018
4019                 fragment = 0;
4020                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4021                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4022                         if (wlen > risc_size)
4023                                 wlen = risc_size;
4024
4025                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4026                             "addr %x, number of words 0x%x.\n", vha->host_no,
4027                             risc_addr, wlen));
4028
4029                         for (i = 0; i < wlen; i++)
4030                                 wcode[i] = swab16(fwcode[i]);
4031
4032                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4033                             wlen);
4034                         if (rval) {
4035                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4036                                     "segment %d of firmware\n", vha->host_no,
4037                                     fragment));
4038                                 qla_printk(KERN_WARNING, ha,
4039                                     "[ERROR] Failed to load segment %d of "
4040                                     "firmware\n", fragment);
4041                                 break;
4042                         }
4043
4044                         fwcode += wlen;
4045                         risc_addr += wlen;
4046                         risc_size -= wlen;
4047                         fragment++;
4048                 }
4049
4050                 /* Next segment. */
4051                 seg++;
4052         }
4053         return rval;
4054
4055 fail_fw_integrity:
4056         return QLA_FUNCTION_FAILED;
4057 }
4058
4059 static int
4060 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4061 {
4062         int     rval;
4063         int     segments, fragment;
4064         uint32_t *dcode, dlen;
4065         uint32_t risc_addr;
4066         uint32_t risc_size;
4067         uint32_t i;
4068         struct fw_blob *blob;
4069         uint32_t *fwcode, fwclen;
4070         struct qla_hw_data *ha = vha->hw;
4071         struct req_que *req = ha->req_q_map[0];
4072
4073         /* Load firmware blob. */
4074         blob = qla2x00_request_firmware(vha);
4075         if (!blob) {
4076                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4077                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4078                     "from: " QLA_FW_URL ".\n");
4079
4080                 return QLA_FUNCTION_FAILED;
4081         }
4082
4083         qla_printk(KERN_INFO, ha,
4084             "FW: Loading via request-firmware...\n");
4085
4086         rval = QLA_SUCCESS;
4087
4088         segments = FA_RISC_CODE_SEGMENTS;
4089         dcode = (uint32_t *)req->ring;
4090         *srisc_addr = 0;
4091         fwcode = (uint32_t *)blob->fw->data;
4092         fwclen = 0;
4093
4094         /* Validate firmware image by checking version. */
4095         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4096                 qla_printk(KERN_WARNING, ha,
4097                     "Unable to verify integrity of firmware image (%Zd)!\n",
4098                     blob->fw->size);
4099                 goto fail_fw_integrity;
4100         }
4101         for (i = 0; i < 4; i++)
4102                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4103         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4104             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4105             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4106                 dcode[3] == 0)) {
4107                 qla_printk(KERN_WARNING, ha,
4108                     "Unable to verify integrity of firmware image!\n");
4109                 qla_printk(KERN_WARNING, ha,
4110                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4111                     dcode[1], dcode[2], dcode[3]);
4112                 goto fail_fw_integrity;
4113         }
4114
4115         while (segments && rval == QLA_SUCCESS) {
4116                 risc_addr = be32_to_cpu(fwcode[2]);
4117                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4118                 risc_size = be32_to_cpu(fwcode[3]);
4119
4120                 /* Validate firmware image size. */
4121                 fwclen += risc_size * sizeof(uint32_t);
4122                 if (blob->fw->size < fwclen) {
4123                         qla_printk(KERN_WARNING, ha,
4124                             "Unable to verify integrity of firmware image "
4125                             "(%Zd)!\n", blob->fw->size);
4126
4127                         goto fail_fw_integrity;
4128                 }
4129
4130                 fragment = 0;
4131                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4132                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4133                         if (dlen > risc_size)
4134                                 dlen = risc_size;
4135
4136                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4137                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4138                             risc_addr, dlen));
4139
4140                         for (i = 0; i < dlen; i++)
4141                                 dcode[i] = swab32(fwcode[i]);
4142
4143                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4144                             dlen);
4145                         if (rval) {
4146                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4147                                     "segment %d of firmware\n", vha->host_no,
4148                                     fragment));
4149                                 qla_printk(KERN_WARNING, ha,
4150                                     "[ERROR] Failed to load segment %d of "
4151                                     "firmware\n", fragment);
4152                                 break;
4153                         }
4154
4155                         fwcode += dlen;
4156                         risc_addr += dlen;
4157                         risc_size -= dlen;
4158                         fragment++;
4159                 }
4160
4161                 /* Next segment. */
4162                 segments--;
4163         }
4164         return rval;
4165
4166 fail_fw_integrity:
4167         return QLA_FUNCTION_FAILED;
4168 }
4169
4170 int
4171 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4172 {
4173         int rval;
4174
4175         if (ql2xfwloadbin == 1)
4176                 return qla81xx_load_risc(vha, srisc_addr);
4177
4178         /*
4179          * FW Load priority:
4180          * 1) Firmware via request-firmware interface (.bin file).
4181          * 2) Firmware residing in flash.
4182          */
4183         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4184         if (rval == QLA_SUCCESS)
4185                 return rval;
4186
4187         return qla24xx_load_risc_flash(vha, srisc_addr,
4188             vha->hw->flt_region_fw);
4189 }
4190
4191 int
4192 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4193 {
4194         int rval;
4195         struct qla_hw_data *ha = vha->hw;
4196
4197         if (ql2xfwloadbin == 2)
4198                 goto try_blob_fw;
4199
4200         /*
4201          * FW Load priority:
4202          * 1) Firmware residing in flash.
4203          * 2) Firmware via request-firmware interface (.bin file).
4204          * 3) Golden-Firmware residing in flash -- limited operation.
4205          */
4206         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
4207         if (rval == QLA_SUCCESS)
4208                 return rval;
4209
4210 try_blob_fw:
4211         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4212         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4213                 return rval;
4214
4215         qla_printk(KERN_ERR, ha,
4216             "FW: Attempting to fallback to golden firmware...\n");
4217         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4218         if (rval != QLA_SUCCESS)
4219                 return rval;
4220
4221         qla_printk(KERN_ERR, ha,
4222             "FW: Please update operational firmware...\n");
4223         ha->flags.running_gold_fw = 1;
4224
4225         return rval;
4226 }
4227
4228 void
4229 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4230 {
4231         int ret, retries;
4232         struct qla_hw_data *ha = vha->hw;
4233
4234         if (!IS_FWI2_CAPABLE(ha))
4235                 return;
4236         if (!ha->fw_major_version)
4237                 return;
4238
4239         ret = qla2x00_stop_firmware(vha);
4240         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4241             ret != QLA_INVALID_COMMAND && retries ; retries--) {
4242                 ha->isp_ops->reset_chip(vha);
4243                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4244                         continue;
4245                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4246                         continue;
4247                 qla_printk(KERN_INFO, ha,
4248                     "Attempting retry of stop-firmware command...\n");
4249                 ret = qla2x00_stop_firmware(vha);
4250         }
4251 }
4252
4253 int
4254 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4255 {
4256         int rval = QLA_SUCCESS;
4257         uint16_t mb[MAILBOX_REGISTER_COUNT];
4258         struct qla_hw_data *ha = vha->hw;
4259         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4260         struct req_que *req;
4261         struct rsp_que *rsp;
4262
4263         if (!vha->vp_idx)
4264                 return -EINVAL;
4265
4266         rval = qla2x00_fw_ready(base_vha);
4267         if (ql2xmultique_tag)
4268                 req = ha->req_q_map[0];
4269         else
4270                 req = vha->req;
4271         rsp = req->rsp;
4272
4273         if (rval == QLA_SUCCESS) {
4274                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4275                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4276         }
4277
4278         vha->flags.management_server_logged_in = 0;
4279
4280         /* Login to SNS first */
4281         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4282         if (mb[0] != MBS_COMMAND_COMPLETE) {
4283                 DEBUG15(qla_printk(KERN_INFO, ha,
4284                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4285                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4286                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4287                 return (QLA_FUNCTION_FAILED);
4288         }
4289
4290         atomic_set(&vha->loop_down_timer, 0);
4291         atomic_set(&vha->loop_state, LOOP_UP);
4292         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4293         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4294         rval = qla2x00_loop_resync(base_vha);
4295
4296         return rval;
4297 }
4298
4299 /* 84XX Support **************************************************************/
4300
4301 static LIST_HEAD(qla_cs84xx_list);
4302 static DEFINE_MUTEX(qla_cs84xx_mutex);
4303
4304 static struct qla_chip_state_84xx *
4305 qla84xx_get_chip(struct scsi_qla_host *vha)
4306 {
4307         struct qla_chip_state_84xx *cs84xx;
4308         struct qla_hw_data *ha = vha->hw;
4309
4310         mutex_lock(&qla_cs84xx_mutex);
4311
4312         /* Find any shared 84xx chip. */
4313         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4314                 if (cs84xx->bus == ha->pdev->bus) {
4315                         kref_get(&cs84xx->kref);
4316                         goto done;
4317                 }
4318         }
4319
4320         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4321         if (!cs84xx)
4322                 goto done;
4323
4324         kref_init(&cs84xx->kref);
4325         spin_lock_init(&cs84xx->access_lock);
4326         mutex_init(&cs84xx->fw_update_mutex);
4327         cs84xx->bus = ha->pdev->bus;
4328
4329         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4330 done:
4331         mutex_unlock(&qla_cs84xx_mutex);
4332         return cs84xx;
4333 }
4334
4335 static void
4336 __qla84xx_chip_release(struct kref *kref)
4337 {
4338         struct qla_chip_state_84xx *cs84xx =
4339             container_of(kref, struct qla_chip_state_84xx, kref);
4340
4341         mutex_lock(&qla_cs84xx_mutex);
4342         list_del(&cs84xx->list);
4343         mutex_unlock(&qla_cs84xx_mutex);
4344         kfree(cs84xx);
4345 }
4346
4347 void
4348 qla84xx_put_chip(struct scsi_qla_host *vha)
4349 {
4350         struct qla_hw_data *ha = vha->hw;
4351         if (ha->cs84xx)
4352                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4353 }
4354
4355 static int
4356 qla84xx_init_chip(scsi_qla_host_t *vha)
4357 {
4358         int rval;
4359         uint16_t status[2];
4360         struct qla_hw_data *ha = vha->hw;
4361
4362         mutex_lock(&ha->cs84xx->fw_update_mutex);
4363
4364         rval = qla84xx_verify_chip(vha, status);
4365
4366         mutex_unlock(&ha->cs84xx->fw_update_mutex);
4367
4368         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4369             QLA_SUCCESS;
4370 }
4371
4372 /* 81XX Support **************************************************************/
4373
4374 int
4375 qla81xx_nvram_config(scsi_qla_host_t *vha)
4376 {
4377         int   rval;
4378         struct init_cb_81xx *icb;
4379         struct nvram_81xx *nv;
4380         uint32_t *dptr;
4381         uint8_t  *dptr1, *dptr2;
4382         uint32_t chksum;
4383         uint16_t cnt;
4384         struct qla_hw_data *ha = vha->hw;
4385
4386         rval = QLA_SUCCESS;
4387         icb = (struct init_cb_81xx *)ha->init_cb;
4388         nv = ha->nvram;
4389
4390         /* Determine NVRAM starting address. */
4391         ha->nvram_size = sizeof(struct nvram_81xx);
4392         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4393
4394         /* Get VPD data into cache */
4395         ha->vpd = ha->nvram + VPD_OFFSET;
4396         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4397             ha->vpd_size);
4398
4399         /* Get NVRAM data into cache and calculate checksum. */
4400         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
4401             ha->nvram_size);
4402         dptr = (uint32_t *)nv;
4403         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4404                 chksum += le32_to_cpu(*dptr++);
4405
4406         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
4407         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4408
4409         /* Bad NVRAM data, set defaults parameters. */
4410         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4411             || nv->id[3] != ' ' ||
4412             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4413                 /* Reset NVRAM data. */
4414                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4415                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4416                     le16_to_cpu(nv->nvram_version));
4417                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4418                     "invalid -- WWPN) defaults.\n");
4419
4420                 /*
4421                  * Set default initialization control block.
4422                  */
4423                 memset(nv, 0, ha->nvram_size);
4424                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4425                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4426                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4427                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4428                 nv->exchange_count = __constant_cpu_to_le16(0);
4429                 nv->port_name[0] = 0x21;
4430                 nv->port_name[1] = 0x00 + ha->port_no;
4431                 nv->port_name[2] = 0x00;
4432                 nv->port_name[3] = 0xe0;
4433                 nv->port_name[4] = 0x8b;
4434                 nv->port_name[5] = 0x1c;
4435                 nv->port_name[6] = 0x55;
4436                 nv->port_name[7] = 0x86;
4437                 nv->node_name[0] = 0x20;
4438                 nv->node_name[1] = 0x00;
4439                 nv->node_name[2] = 0x00;
4440                 nv->node_name[3] = 0xe0;
4441                 nv->node_name[4] = 0x8b;
4442                 nv->node_name[5] = 0x1c;
4443                 nv->node_name[6] = 0x55;
4444                 nv->node_name[7] = 0x86;
4445                 nv->login_retry_count = __constant_cpu_to_le16(8);
4446                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4447                 nv->login_timeout = __constant_cpu_to_le16(0);
4448                 nv->firmware_options_1 =
4449                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4450                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4451                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4452                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4453                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4454                 nv->efi_parameters = __constant_cpu_to_le32(0);
4455                 nv->reset_delay = 5;
4456                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4457                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4458                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4459                 nv->enode_mac[0] = 0x00;
4460                 nv->enode_mac[1] = 0x02;
4461                 nv->enode_mac[2] = 0x03;
4462                 nv->enode_mac[3] = 0x04;
4463                 nv->enode_mac[4] = 0x05;
4464                 nv->enode_mac[5] = 0x06 + ha->port_no;
4465
4466                 rval = 1;
4467         }
4468
4469         /* Reset Initialization control block */
4470         memset(icb, 0, sizeof(struct init_cb_81xx));
4471
4472         /* Copy 1st segment. */
4473         dptr1 = (uint8_t *)icb;
4474         dptr2 = (uint8_t *)&nv->version;
4475         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4476         while (cnt--)
4477                 *dptr1++ = *dptr2++;
4478
4479         icb->login_retry_count = nv->login_retry_count;
4480
4481         /* Copy 2nd segment. */
4482         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4483         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4484         cnt = (uint8_t *)&icb->reserved_5 -
4485             (uint8_t *)&icb->interrupt_delay_timer;
4486         while (cnt--)
4487                 *dptr1++ = *dptr2++;
4488
4489         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4490         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4491         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4492                 icb->enode_mac[0] = 0x01;
4493                 icb->enode_mac[1] = 0x02;
4494                 icb->enode_mac[2] = 0x03;
4495                 icb->enode_mac[3] = 0x04;
4496                 icb->enode_mac[4] = 0x05;
4497                 icb->enode_mac[5] = 0x06 + ha->port_no;
4498         }
4499
4500         /* Use extended-initialization control block. */
4501         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4502
4503         /*
4504          * Setup driver NVRAM options.
4505          */
4506         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4507             "QLE81XX");
4508
4509         /* Use alternate WWN? */
4510         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4511                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4512                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4513         }
4514
4515         /* Prepare nodename */
4516         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4517                 /*
4518                  * Firmware will apply the following mask if the nodename was
4519                  * not provided.
4520                  */
4521                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4522                 icb->node_name[0] &= 0xF0;
4523         }
4524
4525         /* Set host adapter parameters. */
4526         ha->flags.disable_risc_code_load = 0;
4527         ha->flags.enable_lip_reset = 0;
4528         ha->flags.enable_lip_full_login =
4529             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4530         ha->flags.enable_target_reset =
4531             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4532         ha->flags.enable_led_scheme = 0;
4533         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4534
4535         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4536             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4537
4538         /* save HBA serial number */
4539         ha->serial0 = icb->port_name[5];
4540         ha->serial1 = icb->port_name[6];
4541         ha->serial2 = icb->port_name[7];
4542         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4543         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4544
4545         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4546
4547         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4548
4549         /* Set minimum login_timeout to 4 seconds. */
4550         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4551                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4552         if (le16_to_cpu(nv->login_timeout) < 4)
4553                 nv->login_timeout = __constant_cpu_to_le16(4);
4554         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4555         icb->login_timeout = nv->login_timeout;
4556
4557         /* Set minimum RATOV to 100 tenths of a second. */
4558         ha->r_a_tov = 100;
4559
4560         ha->loop_reset_delay = nv->reset_delay;
4561
4562         /* Link Down Timeout = 0:
4563          *
4564          *      When Port Down timer expires we will start returning
4565          *      I/O's to OS with "DID_NO_CONNECT".
4566          *
4567          * Link Down Timeout != 0:
4568          *
4569          *       The driver waits for the link to come up after link down
4570          *       before returning I/Os to OS with "DID_NO_CONNECT".
4571          */
4572         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4573                 ha->loop_down_abort_time =
4574                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4575         } else {
4576                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4577                 ha->loop_down_abort_time =
4578                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4579         }
4580
4581         /* Need enough time to try and get the port back. */
4582         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4583         if (qlport_down_retry)
4584                 ha->port_down_retry_count = qlport_down_retry;
4585
4586         /* Set login_retry_count */
4587         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4588         if (ha->port_down_retry_count ==
4589             le16_to_cpu(nv->port_down_retry_count) &&
4590             ha->port_down_retry_count > 3)
4591                 ha->login_retry_count = ha->port_down_retry_count;
4592         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4593                 ha->login_retry_count = ha->port_down_retry_count;
4594         if (ql2xloginretrycount)
4595                 ha->login_retry_count = ql2xloginretrycount;
4596
4597         /* Enable ZIO. */
4598         if (!vha->flags.init_done) {
4599                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4600                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4601                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4602                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4603         }
4604         icb->firmware_options_2 &= __constant_cpu_to_le32(
4605             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4606         vha->flags.process_response_queue = 0;
4607         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4608                 ha->zio_mode = QLA_ZIO_MODE_6;
4609
4610                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4611                     "(%d us).\n", vha->host_no, ha->zio_mode,
4612                     ha->zio_timer * 100));
4613                 qla_printk(KERN_INFO, ha,
4614                     "ZIO mode %d enabled; timer delay (%d us).\n",
4615                     ha->zio_mode, ha->zio_timer * 100);
4616
4617                 icb->firmware_options_2 |= cpu_to_le32(
4618                     (uint32_t)ha->zio_mode);
4619                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4620                 vha->flags.process_response_queue = 1;
4621         }
4622
4623         if (rval) {
4624                 DEBUG2_3(printk(KERN_WARNING
4625                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4626         }
4627         return (rval);
4628 }
4629
4630 void
4631 qla81xx_update_fw_options(scsi_qla_host_t *ha)
4632 {
4633 }