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 void qla2x00_resize_request_q(scsi_qla_host_t *);
  24 static int qla2x00_setup_chip(scsi_qla_host_t *);
  25 static int qla2x00_init_rings(scsi_qla_host_t *);
  26 static int qla2x00_fw_ready(scsi_qla_host_t *);
  27 static int qla2x00_configure_hba(scsi_qla_host_t *);
  28 static int qla2x00_configure_loop(scsi_qla_host_t *);
  29 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  30 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  32 static int qla2x00_device_resync(scsi_qla_host_t *);
  33 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  34     uint16_t *);
  35
  36 static int qla2x00_restart_isp(scsi_qla_host_t *);
  37
  38 static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
  39
  40 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  41 static int qla84xx_init_chip(scsi_qla_host_t *);
  42 static int qla25xx_init_queues(struct qla_hw_data *);
  43
  44 /****************************************************************************/
  45 /*                QLogic ISP2x00 Hardware Support Functions.                */
  46 /****************************************************************************/
  47
  48 /*
  49 * qla2x00_initialize_adapter
  50 *      Initialize board.
  51 *
  52 * Input:
  53 *      ha = adapter block pointer.
  54 *
  55 * Returns:
  56 *      0 = success
  57 */
  58 int
  59 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
  60 {
  61         int     rval;
  62         struct qla_hw_data *ha = vha->hw;
  63         struct req_que *req = ha->req_q_map[0];
  64         /* Clear adapter flags. */
  65         vha->flags.online = 0;
  66         vha->flags.reset_active = 0;
  67         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
  68         atomic_set(&vha->loop_state, LOOP_DOWN);
  69         vha->device_flags = DFLG_NO_CABLE;
  70         vha->dpc_flags = 0;
  71         vha->flags.management_server_logged_in = 0;
  72         vha->marker_needed = 0;
  73         ha->mbx_flags = 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
 135         return (rval);
 136 }
 137
 138 /**
 139  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 140  * @ha: HA context
 141  *
 142  * Returns 0 on success.
 143  */
 144 int
 145 qla2100_pci_config(scsi_qla_host_t *vha)
 146 {
 147         uint16_t w;
 148         unsigned long flags;
 149         struct qla_hw_data *ha = vha->hw;
 150         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 151
 152         pci_set_master(ha->pdev);
 153         pci_try_set_mwi(ha->pdev);
 154
 155         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 156         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 157         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 158
 159         pci_disable_rom(ha->pdev);
 160
 161         /* Get PCI bus information. */
 162         spin_lock_irqsave(&ha->hardware_lock, flags);
 163         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 164         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 165
 166         return QLA_SUCCESS;
 167 }
 168
 169 /**
 170  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 171  * @ha: HA context
 172  *
 173  * Returns 0 on success.
 174  */
 175 int
 176 qla2300_pci_config(scsi_qla_host_t *vha)
 177 {
 178         uint16_t        w;
 179         unsigned long   flags = 0;
 180         uint32_t        cnt;
 181         struct qla_hw_data *ha = vha->hw;
 182         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 183
 184         pci_set_master(ha->pdev);
 185         pci_try_set_mwi(ha->pdev);
 186
 187         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 188         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 189
 190         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 191                 w &= ~PCI_COMMAND_INTX_DISABLE;
 192         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 193
 194         /*
 195          * If this is a 2300 card and not 2312, reset the
 196          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 197          * the 2310 also reports itself as a 2300 so we need to get the
 198          * fb revision level -- a 6 indicates it really is a 2300 and
 199          * not a 2310.
 200          */
 201         if (IS_QLA2300(ha)) {
 202                 spin_lock_irqsave(&ha->hardware_lock, flags);
 203
 204                 /* Pause RISC. */
 205                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 206                 for (cnt = 0; cnt < 30000; cnt++) {
 207                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 208                                 break;
 209
 210                         udelay(10);
 211                 }
 212
 213                 /* Select FPM registers. */
 214                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 215                 RD_REG_WORD(&reg->ctrl_status);
 216
 217                 /* Get the fb rev level */
 218                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 219
 220                 if (ha->fb_rev == FPM_2300)
 221                         pci_clear_mwi(ha->pdev);
 222
 223                 /* Deselect FPM registers. */
 224                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 225                 RD_REG_WORD(&reg->ctrl_status);
 226
 227                 /* Release RISC module. */
 228                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 229                 for (cnt = 0; cnt < 30000; cnt++) {
 230                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 231                                 break;
 232
 233                         udelay(10);
 234                 }
 235
 236                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 237         }
 238
 239         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 240
 241         pci_disable_rom(ha->pdev);
 242
 243         /* Get PCI bus information. */
 244         spin_lock_irqsave(&ha->hardware_lock, flags);
 245         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 246         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 247
 248         return QLA_SUCCESS;
 249 }
 250
 251 /**
 252  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 253  * @ha: HA context
 254  *
 255  * Returns 0 on success.
 256  */
 257 int
 258 qla24xx_pci_config(scsi_qla_host_t *vha)
 259 {
 260         uint16_t w;
 261         unsigned long flags = 0;
 262         struct qla_hw_data *ha = vha->hw;
 263         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 264
 265         pci_set_master(ha->pdev);
 266         pci_try_set_mwi(ha->pdev);
 267
 268         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 269         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 270         w &= ~PCI_COMMAND_INTX_DISABLE;
 271         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 272
 273         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 274
 275         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 276         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 277                 pcix_set_mmrbc(ha->pdev, 2048);
 278
 279         /* PCIe -- adjust Maximum Read Request Size (2048). */
 280         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 281                 pcie_set_readrq(ha->pdev, 2048);
 282
 283         pci_disable_rom(ha->pdev);
 284
 285         ha->chip_revision = ha->pdev->revision;
 286
 287         /* Get PCI bus information. */
 288         spin_lock_irqsave(&ha->hardware_lock, flags);
 289         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 290         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 291
 292         return QLA_SUCCESS;
 293 }
 294
 295 /**
 296  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 297  * @ha: HA context
 298  *
 299  * Returns 0 on success.
 300  */
 301 int
 302 qla25xx_pci_config(scsi_qla_host_t *vha)
 303 {
 304         uint16_t w;
 305         struct qla_hw_data *ha = vha->hw;
 306
 307         pci_set_master(ha->pdev);
 308         pci_try_set_mwi(ha->pdev);
 309
 310         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 311         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 312         w &= ~PCI_COMMAND_INTX_DISABLE;
 313         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 314
 315         /* PCIe -- adjust Maximum Read Request Size (2048). */
 316         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 317                 pcie_set_readrq(ha->pdev, 2048);
 318
 319         pci_disable_rom(ha->pdev);
 320
 321         ha->chip_revision = ha->pdev->revision;
 322
 323         return QLA_SUCCESS;
 324 }
 325
 326 /**
 327  * qla2x00_isp_firmware() - Choose firmware image.
 328  * @ha: HA context
 329  *
 330  * Returns 0 on success.
 331  */
 332 static int
 333 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 334 {
 335         int  rval;
 336         uint16_t loop_id, topo, sw_cap;
 337         uint8_t domain, area, al_pa;
 338         struct qla_hw_data *ha = vha->hw;
 339
 340         /* Assume loading risc code */
 341         rval = QLA_FUNCTION_FAILED;
 342
 343         if (ha->flags.disable_risc_code_load) {
 344                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 345                     vha->host_no));
 346                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 347
 348                 /* Verify checksum of loaded RISC code. */
 349                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 350                 if (rval == QLA_SUCCESS) {
 351                         /* And, verify we are not in ROM code. */
 352                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 353                             &area, &domain, &topo, &sw_cap);
 354                 }
 355         }
 356
 357         if (rval) {
 358                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 359                     vha->host_no));
 360         }
 361
 362         return (rval);
 363 }
 364
 365 /**
 366  * qla2x00_reset_chip() - Reset ISP chip.
 367  * @ha: HA context
 368  *
 369  * Returns 0 on success.
 370  */
 371 void
 372 qla2x00_reset_chip(scsi_qla_host_t *vha)
 373 {
 374         unsigned long   flags = 0;
 375         struct qla_hw_data *ha = vha->hw;
 376         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 377         uint32_t        cnt;
 378         uint16_t        cmd;
 379
 380         ha->isp_ops->disable_intrs(ha);
 381
 382         spin_lock_irqsave(&ha->hardware_lock, flags);
 383
 384         /* Turn off master enable */
 385         cmd = 0;
 386         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 387         cmd &= ~PCI_COMMAND_MASTER;
 388         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 389
 390         if (!IS_QLA2100(ha)) {
 391                 /* Pause RISC. */
 392                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 393                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 394                         for (cnt = 0; cnt < 30000; cnt++) {
 395                                 if ((RD_REG_WORD(&reg->hccr) &
 396                                     HCCR_RISC_PAUSE) != 0)
 397                                         break;
 398                                 udelay(100);
 399                         }
 400                 } else {
 401                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 402                         udelay(10);
 403                 }
 404
 405                 /* Select FPM registers. */
 406                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 407                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 408
 409                 /* FPM Soft Reset. */
 410                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 411                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 412
 413                 /* Toggle Fpm Reset. */
 414                 if (!IS_QLA2200(ha)) {
 415                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 416                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 417                 }
 418
 419                 /* Select frame buffer registers. */
 420                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 421                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 422
 423                 /* Reset frame buffer FIFOs. */
 424                 if (IS_QLA2200(ha)) {
 425                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 426                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 427                 } else {
 428                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 429
 430                         /* Read back fb_cmd until zero or 3 seconds max */
 431                         for (cnt = 0; cnt < 3000; cnt++) {
 432                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 433                                         break;
 434                                 udelay(100);
 435                         }
 436                 }
 437
 438                 /* Select RISC module registers. */
 439                 WRT_REG_WORD(&reg->ctrl_status, 0);
 440                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 441
 442                 /* Reset RISC processor. */
 443                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 444                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 445
 446                 /* Release RISC processor. */
 447                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 448                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 449         }
 450
 451         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 452         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 453
 454         /* Reset ISP chip. */
 455         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 456
 457         /* Wait for RISC to recover from reset. */
 458         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 459                 /*
 460                  * It is necessary to for a delay here since the card doesn't
 461                  * respond to PCI reads during a reset. On some architectures
 462                  * this will result in an MCA.
 463                  */
 464                 udelay(20);
 465                 for (cnt = 30000; cnt; cnt--) {
 466                         if ((RD_REG_WORD(&reg->ctrl_status) &
 467                             CSR_ISP_SOFT_RESET) == 0)
 468                                 break;
 469                         udelay(100);
 470                 }
 471         } else
 472                 udelay(10);
 473
 474         /* Reset RISC processor. */
 475         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 476
 477         WRT_REG_WORD(&reg->semaphore, 0);
 478
 479         /* Release RISC processor. */
 480         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 481         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 482
 483         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 484                 for (cnt = 0; cnt < 30000; cnt++) {
 485                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 486                                 break;
 487
 488                         udelay(100);
 489                 }
 490         } else
 491                 udelay(100);
 492
 493         /* Turn on master enable */
 494         cmd |= PCI_COMMAND_MASTER;
 495         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 496
 497         /* Disable RISC pause on FPM parity error. */
 498         if (!IS_QLA2100(ha)) {
 499                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 500                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 501         }
 502
 503         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 504 }
 505
 506 /**
 507  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 508  * @ha: HA context
 509  *
 510  * Returns 0 on success.
 511  */
 512 static inline void
 513 qla24xx_reset_risc(scsi_qla_host_t *vha)
 514 {
 515         int hw_evt = 0;
 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         if (cnt == 0)
 546                 hw_evt = 1;
 547
 548         /* Wait for soft-reset to complete. */
 549         d2 = RD_REG_DWORD(&reg->ctrl_status);
 550         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
 551                 udelay(5);
 552                 d2 = RD_REG_DWORD(&reg->ctrl_status);
 553                 barrier();
 554         }
 555
 556         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
 557         RD_REG_DWORD(&reg->hccr);
 558
 559         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
 560         RD_REG_DWORD(&reg->hccr);
 561
 562         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
 563         RD_REG_DWORD(&reg->hccr);
 564
 565         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 566         for (cnt = 6000000 ; cnt && d2; cnt--) {
 567                 udelay(5);
 568                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 569                 barrier();
 570         }
 571
 572         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 573
 574         if (IS_NOPOLLING_TYPE(ha))
 575                 ha->isp_ops->enable_intrs(ha);
 576 }
 577
 578 /**
 579  * qla24xx_reset_chip() - Reset ISP24xx chip.
 580  * @ha: HA context
 581  *
 582  * Returns 0 on success.
 583  */
 584 void
 585 qla24xx_reset_chip(scsi_qla_host_t *vha)
 586 {
 587         struct qla_hw_data *ha = vha->hw;
 588         ha->isp_ops->disable_intrs(ha);
 589
 590         /* Perform RISC reset. */
 591         qla24xx_reset_risc(vha);
 592 }
 593
 594 /**
 595  * qla2x00_chip_diag() - Test chip for proper operation.
 596  * @ha: HA context
 597  *
 598  * Returns 0 on success.
 599  */
 600 int
 601 qla2x00_chip_diag(scsi_qla_host_t *vha)
 602 {
 603         int             rval;
 604         struct qla_hw_data *ha = vha->hw;
 605         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 606         unsigned long   flags = 0;
 607         uint16_t        data;
 608         uint32_t        cnt;
 609         uint16_t        mb[5];
 610         struct req_que *req = ha->req_q_map[0];
 611
 612         /* Assume a failed state */
 613         rval = QLA_FUNCTION_FAILED;
 614
 615         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
 616             vha->host_no, (u_long)&reg->flash_address));
 617
 618         spin_lock_irqsave(&ha->hardware_lock, flags);
 619
 620         /* Reset ISP chip. */
 621         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 622
 623         /*
 624          * We need to have a delay here since the card will not respond while
 625          * in reset causing an MCA on some architectures.
 626          */
 627         udelay(20);
 628         data = qla2x00_debounce_register(&reg->ctrl_status);
 629         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
 630                 udelay(5);
 631                 data = RD_REG_WORD(&reg->ctrl_status);
 632                 barrier();
 633         }
 634
 635         if (!cnt)
 636                 goto chip_diag_failed;
 637
 638         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
 639             ha->host_no));
 640
 641         /* Reset RISC processor. */
 642         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 643         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 644
 645         /* Workaround for QLA2312 PCI parity error */
 646         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 647                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
 648                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
 649                         udelay(5);
 650                         data = RD_MAILBOX_REG(ha, reg, 0);
 651                         barrier();
 652                 }
 653         } else
 654                 udelay(10);
 655
 656         if (!cnt)
 657                 goto chip_diag_failed;
 658
 659         /* Check product ID of chip */
 660         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
 661
 662         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
 663         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
 664         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
 665         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
 666         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
 667             mb[3] != PROD_ID_3) {
 668                 qla_printk(KERN_WARNING, ha,
 669                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
 670
 671                 goto chip_diag_failed;
 672         }
 673         ha->product_id[0] = mb[1];
 674         ha->product_id[1] = mb[2];
 675         ha->product_id[2] = mb[3];
 676         ha->product_id[3] = mb[4];
 677
 678         /* Adjust fw RISC transfer size */
 679         if (req->length > 1024)
 680                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
 681         else
 682                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
 683                     req->length;
 684
 685         if (IS_QLA2200(ha) &&
 686             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
 687                 /* Limit firmware transfer size with a 2200A */
 688                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
 689                     vha->host_no));
 690
 691                 ha->device_type |= DT_ISP2200A;
 692                 ha->fw_transfer_size = 128;
 693         }
 694
 695         /* Wrap Incoming Mailboxes Test. */
 696         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 697
 698         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
 699         rval = qla2x00_mbx_reg_test(vha);
 700         if (rval) {
 701                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 702                     vha->host_no));
 703                 qla_printk(KERN_WARNING, ha,
 704                     "Failed mailbox send register test\n");
 705         }
 706         else {
 707                 /* Flag a successful rval */
 708                 rval = QLA_SUCCESS;
 709         }
 710         spin_lock_irqsave(&ha->hardware_lock, flags);
 711
 712 chip_diag_failed:
 713         if (rval)
 714                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
 715                     "****\n", vha->host_no));
 716
 717         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 718
 719         return (rval);
 720 }
 721
 722 /**
 723  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
 724  * @ha: HA context
 725  *
 726  * Returns 0 on success.
 727  */
 728 int
 729 qla24xx_chip_diag(scsi_qla_host_t *vha)
 730 {
 731         int rval;
 732         struct qla_hw_data *ha = vha->hw;
 733         struct req_que *req = ha->req_q_map[0];
 734
 735         /* Perform RISC reset. */
 736         qla24xx_reset_risc(vha);
 737
 738         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 739
 740         rval = qla2x00_mbx_reg_test(vha);
 741         if (rval) {
 742                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 743                     vha->host_no));
 744                 qla_printk(KERN_WARNING, ha,
 745                     "Failed mailbox send register test\n");
 746         } else {
 747                 /* Flag a successful rval */
 748                 rval = QLA_SUCCESS;
 749         }
 750
 751         return rval;
 752 }
 753
 754 void
 755 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
 756 {
 757         int rval;
 758         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
 759             eft_size, fce_size, mq_size;
 760         dma_addr_t tc_dma;
 761         void *tc;
 762         struct qla_hw_data *ha = vha->hw;
 763         struct req_que *req = ha->req_q_map[0];
 764         struct rsp_que *rsp = ha->rsp_q_map[0];
 765
 766         if (ha->fw_dump) {
 767                 qla_printk(KERN_WARNING, ha,
 768                     "Firmware dump previously allocated.\n");
 769                 return;
 770         }
 771
 772         ha->fw_dumped = 0;
 773         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
 774         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 775                 fixed_size = sizeof(struct qla2100_fw_dump);
 776         } else if (IS_QLA23XX(ha)) {
 777                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
 778                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
 779                     sizeof(uint16_t);
 780         } else if (IS_FWI2_CAPABLE(ha)) {
 781                 if (IS_QLA81XX(ha))
 782                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
 783                 else if (IS_QLA25XX(ha))
 784                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
 785                 else
 786                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
 787                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
 788                     sizeof(uint32_t);
 789                 if (ha->mqenable)
 790                         mq_size = sizeof(struct qla2xxx_mq_chain);
 791
 792                 /* Allocate memory for Fibre Channel Event Buffer. */
 793                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
 794                         goto try_eft;
 795
 796                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
 797                     GFP_KERNEL);
 798                 if (!tc) {
 799                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
 800                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
 801                         goto try_eft;
 802                 }
 803
 804                 memset(tc, 0, FCE_SIZE);
 805                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
 806                     ha->fce_mb, &ha->fce_bufs);
 807                 if (rval) {
 808                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
 809                             "FCE (%d).\n", rval);
 810                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
 811                             tc_dma);
 812                         ha->flags.fce_enabled = 0;
 813                         goto try_eft;
 814                 }
 815
 816                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
 817                     FCE_SIZE / 1024);
 818
 819                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
 820                 ha->flags.fce_enabled = 1;
 821                 ha->fce_dma = tc_dma;
 822                 ha->fce = tc;
 823 try_eft:
 824                 /* Allocate memory for Extended Trace Buffer. */
 825                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
 826                     GFP_KERNEL);
 827                 if (!tc) {
 828                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
 829                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
 830                         goto cont_alloc;
 831                 }
 832
 833                 memset(tc, 0, EFT_SIZE);
 834                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
 835                 if (rval) {
 836                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
 837                             "EFT (%d).\n", rval);
 838                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
 839                             tc_dma);
 840                         goto cont_alloc;
 841                 }
 842
 843                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
 844                     EFT_SIZE / 1024);
 845
 846                 eft_size = EFT_SIZE;
 847                 ha->eft_dma = tc_dma;
 848                 ha->eft = tc;
 849         }
 850 cont_alloc:
 851         req_q_size = req->length * sizeof(request_t);
 852         rsp_q_size = rsp->length * sizeof(response_t);
 853
 854         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
 855         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
 856             eft_size;
 857         ha->chain_offset = dump_size;
 858         dump_size += mq_size + fce_size;
 859
 860         ha->fw_dump = vmalloc(dump_size);
 861         if (!ha->fw_dump) {
 862                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
 863                     "firmware dump!!!\n", dump_size / 1024);
 864
 865                 if (ha->eft) {
 866                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
 867                             ha->eft_dma);
 868                         ha->eft = NULL;
 869                         ha->eft_dma = 0;
 870                 }
 871                 return;
 872         }
 873         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
 874             dump_size / 1024);
 875
 876         ha->fw_dump_len = dump_size;
 877         ha->fw_dump->signature[0] = 'Q';
 878         ha->fw_dump->signature[1] = 'L';
 879         ha->fw_dump->signature[2] = 'G';
 880         ha->fw_dump->signature[3] = 'C';
 881         ha->fw_dump->version = __constant_htonl(1);
 882
 883         ha->fw_dump->fixed_size = htonl(fixed_size);
 884         ha->fw_dump->mem_size = htonl(mem_size);
 885         ha->fw_dump->req_q_size = htonl(req_q_size);
 886         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
 887
 888         ha->fw_dump->eft_size = htonl(eft_size);
 889         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
 890         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
 891
 892         ha->fw_dump->header_size =
 893             htonl(offsetof(struct qla2xxx_fw_dump, isp));
 894 }
 895
 896 /**
 897  * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
 898  * @ha: HA context
 899  *
 900  * Returns 0 on success.
 901  */
 902 static void
 903 qla2x00_resize_request_q(scsi_qla_host_t *vha)
 904 {
 905         int rval;
 906         uint16_t fw_iocb_cnt = 0;
 907         uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
 908         dma_addr_t request_dma;
 909         request_t *request_ring;
 910         struct qla_hw_data *ha = vha->hw;
 911         struct req_que *req = ha->req_q_map[0];
 912
 913         /* Valid only on recent ISPs. */
 914         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 915                 return;
 916
 917         /* Retrieve IOCB counts available to the firmware. */
 918         rval = qla2x00_get_resource_cnts(vha, NULL, NULL, NULL, &fw_iocb_cnt,
 919                                         &ha->max_npiv_vports);
 920         if (rval)
 921                 return;
 922         /* No point in continuing if current settings are sufficient. */
 923         if (fw_iocb_cnt < 1024)
 924                 return;
 925         if (req->length >= request_q_length)
 926                 return;
 927
 928         /* Attempt to claim larger area for request queue. */
 929         request_ring = dma_alloc_coherent(&ha->pdev->dev,
 930             (request_q_length + 1) * sizeof(request_t), &request_dma,
 931             GFP_KERNEL);
 932         if (request_ring == NULL)
 933                 return;
 934
 935         /* Resize successful, report extensions. */
 936         qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
 937             (ha->fw_memory_size + 1) / 1024);
 938         qla_printk(KERN_INFO, ha, "Resizing request queue depth "
 939             "(%d -> %d)...\n", req->length, request_q_length);
 940
 941         /* Clear old allocations. */
 942         dma_free_coherent(&ha->pdev->dev,
 943             (req->length + 1) * sizeof(request_t), req->ring,
 944             req->dma);
 945
 946         /* Begin using larger queue. */
 947         req->length = request_q_length;
 948         req->ring = request_ring;
 949         req->dma = request_dma;
 950 }
 951
 952 /**
 953  * qla2x00_setup_chip() - Load and start RISC firmware.
 954  * @ha: HA context
 955  *
 956  * Returns 0 on success.
 957  */
 958 static int
 959 qla2x00_setup_chip(scsi_qla_host_t *vha)
 960 {
 961         int rval;
 962         uint32_t srisc_address = 0;
 963         struct qla_hw_data *ha = vha->hw;
 964         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 965         unsigned long flags;
 966         uint16_t fw_major_version;
 967
 968         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
 969                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
 970                 spin_lock_irqsave(&ha->hardware_lock, flags);
 971                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
 972                 RD_REG_WORD(&reg->hccr);
 973                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 974         }
 975
 976         /* Load firmware sequences */
 977         rval = ha->isp_ops->load_risc(vha, &srisc_address);
 978         if (rval == QLA_SUCCESS) {
 979                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
 980                     "code.\n", vha->host_no));
 981
 982                 rval = qla2x00_verify_checksum(vha, srisc_address);
 983                 if (rval == QLA_SUCCESS) {
 984                         /* Start firmware execution. */
 985                         DEBUG(printk("scsi(%ld): Checksum OK, start "
 986                             "firmware.\n", vha->host_no));
 987
 988                         rval = qla2x00_execute_fw(vha, srisc_address);
 989                         /* Retrieve firmware information. */
 990                         if (rval == QLA_SUCCESS) {
 991                                 fw_major_version = ha->fw_major_version;
 992                                 qla2x00_get_fw_version(vha,
 993                                     &ha->fw_major_version,
 994                                     &ha->fw_minor_version,
 995                                     &ha->fw_subminor_version,
 996                                     &ha->fw_attributes, &ha->fw_memory_size,
 997                                     ha->mpi_version, &ha->mpi_capabilities);
 998                                 ha->flags.npiv_supported = 0;
 999                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1000                                          (ha->fw_attributes & BIT_2)) {
1001                                         ha->flags.npiv_supported = 1;
1002                                         if ((!ha->max_npiv_vports) ||
1003                                             ((ha->max_npiv_vports + 1) %
1004                                             MIN_MULTI_ID_FABRIC))
1005                                                 ha->max_npiv_vports =
1006                                                     MIN_MULTI_ID_FABRIC - 1;
1007                                 }
1008                                 if (!fw_major_version) {
1009                                         qla2x00_resize_request_q(vha);
1010                                         if (ql2xallocfwdump)
1011                                                 qla2x00_alloc_fw_dump(vha);
1012                                 }
1013                         }
1014                 } else {
1015                         DEBUG2(printk(KERN_INFO
1016                             "scsi(%ld): ISP Firmware failed checksum.\n",
1017                             vha->host_no));
1018                 }
1019         }
1020
1021         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1022                 /* Enable proper parity. */
1023                 spin_lock_irqsave(&ha->hardware_lock, flags);
1024                 if (IS_QLA2300(ha))
1025                         /* SRAM parity */
1026                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1027                 else
1028                         /* SRAM, Instruction RAM and GP RAM parity */
1029                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1030                 RD_REG_WORD(&reg->hccr);
1031                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1032         }
1033
1034         if (rval) {
1035                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1036                     vha->host_no));
1037         }
1038
1039         return (rval);
1040 }
1041
1042 /**
1043  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1044  * @ha: HA context
1045  *
1046  * Beginning of request ring has initialization control block already built
1047  * by nvram config routine.
1048  *
1049  * Returns 0 on success.
1050  */
1051 void
1052 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1053 {
1054         uint16_t cnt;
1055         response_t *pkt;
1056
1057         pkt = rsp->ring_ptr;
1058         for (cnt = 0; cnt < rsp->length; cnt++) {
1059                 pkt->signature = RESPONSE_PROCESSED;
1060                 pkt++;
1061         }
1062
1063 }
1064
1065 /**
1066  * qla2x00_update_fw_options() - Read and process firmware options.
1067  * @ha: HA context
1068  *
1069  * Returns 0 on success.
1070  */
1071 void
1072 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1073 {
1074         uint16_t swing, emphasis, tx_sens, rx_sens;
1075         struct qla_hw_data *ha = vha->hw;
1076
1077         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1078         qla2x00_get_fw_options(vha, ha->fw_options);
1079
1080         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1081                 return;
1082
1083         /* Serial Link options. */
1084         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1085             vha->host_no));
1086         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1087             sizeof(ha->fw_seriallink_options)));
1088
1089         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1090         if (ha->fw_seriallink_options[3] & BIT_2) {
1091                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1092
1093                 /*  1G settings */
1094                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1095                 emphasis = (ha->fw_seriallink_options[2] &
1096                     (BIT_4 | BIT_3)) >> 3;
1097                 tx_sens = ha->fw_seriallink_options[0] &
1098                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1099                 rx_sens = (ha->fw_seriallink_options[0] &
1100                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1101                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1102                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1103                         if (rx_sens == 0x0)
1104                                 rx_sens = 0x3;
1105                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1106                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1107                         ha->fw_options[10] |= BIT_5 |
1108                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1109                             (tx_sens & (BIT_1 | BIT_0));
1110
1111                 /*  2G settings */
1112                 swing = (ha->fw_seriallink_options[2] &
1113                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1114                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1115                 tx_sens = ha->fw_seriallink_options[1] &
1116                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1117                 rx_sens = (ha->fw_seriallink_options[1] &
1118                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1119                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1120                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1121                         if (rx_sens == 0x0)
1122                                 rx_sens = 0x3;
1123                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1124                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1125                         ha->fw_options[11] |= BIT_5 |
1126                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1127                             (tx_sens & (BIT_1 | BIT_0));
1128         }
1129
1130         /* FCP2 options. */
1131         /*  Return command IOCBs without waiting for an ABTS to complete. */
1132         ha->fw_options[3] |= BIT_13;
1133
1134         /* LED scheme. */
1135         if (ha->flags.enable_led_scheme)
1136                 ha->fw_options[2] |= BIT_12;
1137
1138         /* Detect ISP6312. */
1139         if (IS_QLA6312(ha))
1140                 ha->fw_options[2] |= BIT_13;
1141
1142         /* Update firmware options. */
1143         qla2x00_set_fw_options(vha, ha->fw_options);
1144 }
1145
1146 void
1147 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1148 {
1149         int rval;
1150         struct qla_hw_data *ha = vha->hw;
1151
1152         /* Update Serial Link options. */
1153         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1154                 return;
1155
1156         rval = qla2x00_set_serdes_params(vha,
1157             le16_to_cpu(ha->fw_seriallink_options24[1]),
1158             le16_to_cpu(ha->fw_seriallink_options24[2]),
1159             le16_to_cpu(ha->fw_seriallink_options24[3]));
1160         if (rval != QLA_SUCCESS) {
1161                 qla_printk(KERN_WARNING, ha,
1162                     "Unable to update Serial Link options (%x).\n", rval);
1163         }
1164 }
1165
1166 void
1167 qla2x00_config_rings(struct scsi_qla_host *vha)
1168 {
1169         struct qla_hw_data *ha = vha->hw;
1170         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1171         struct req_que *req = ha->req_q_map[0];
1172         struct rsp_que *rsp = ha->rsp_q_map[0];
1173
1174         /* Setup ring parameters in initialization control block. */
1175         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1176         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1177         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1178         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1179         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1180         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1181         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1182         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1183
1184         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1185         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1186         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1187         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1188         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1189 }
1190
1191 void
1192 qla24xx_config_rings(struct scsi_qla_host *vha)
1193 {
1194         struct qla_hw_data *ha = vha->hw;
1195         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1196         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1197         struct qla_msix_entry *msix;
1198         struct init_cb_24xx *icb;
1199         uint16_t rid = 0;
1200         struct req_que *req = ha->req_q_map[0];
1201         struct rsp_que *rsp = ha->rsp_q_map[0];
1202
1203 /* Setup ring parameters in initialization control block. */
1204         icb = (struct init_cb_24xx *)ha->init_cb;
1205         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1206         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1207         icb->request_q_length = cpu_to_le16(req->length);
1208         icb->response_q_length = cpu_to_le16(rsp->length);
1209         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1210         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1211         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1212         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1213
1214         if (ha->mqenable) {
1215                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1216                 icb->rid = __constant_cpu_to_le16(rid);
1217                 if (ha->flags.msix_enabled) {
1218                         msix = &ha->msix_entries[1];
1219                         DEBUG2_17(printk(KERN_INFO
1220                         "Reistering vector 0x%x for base que\n", msix->entry));
1221                         icb->msix = cpu_to_le16(msix->entry);
1222                 }
1223                 /* Use alternate PCI bus number */
1224                 if (MSB(rid))
1225                         icb->firmware_options_2 |=
1226                                 __constant_cpu_to_le32(BIT_19);
1227                 /* Use alternate PCI devfn */
1228                 if (LSB(rid))
1229                         icb->firmware_options_2 |=
1230                                 __constant_cpu_to_le32(BIT_18);
1231
1232                 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
1233                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1234
1235                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1236                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1237                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1238                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1239         } else {
1240                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1241                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1242                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1243                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1244         }
1245         /* PCI posting */
1246         RD_REG_DWORD(&ioreg->hccr);
1247 }
1248
1249 /**
1250  * qla2x00_init_rings() - Initializes firmware.
1251  * @ha: HA context
1252  *
1253  * Beginning of request ring has initialization control block already built
1254  * by nvram config routine.
1255  *
1256  * Returns 0 on success.
1257  */
1258 static int
1259 qla2x00_init_rings(scsi_qla_host_t *vha)
1260 {
1261         int     rval;
1262         unsigned long flags = 0;
1263         int cnt, que;
1264         struct qla_hw_data *ha = vha->hw;
1265         struct req_que *req;
1266         struct rsp_que *rsp;
1267         struct scsi_qla_host *vp;
1268         struct mid_init_cb_24xx *mid_init_cb =
1269             (struct mid_init_cb_24xx *) ha->init_cb;
1270
1271         spin_lock_irqsave(&ha->hardware_lock, flags);
1272
1273         /* Clear outstanding commands array. */
1274         for (que = 0; que < ha->max_queues; que++) {
1275                 req = ha->req_q_map[que];
1276                 if (!req)
1277                         continue;
1278                 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1279                         req->outstanding_cmds[cnt] = NULL;
1280
1281                 req->current_outstanding_cmd = 0;
1282
1283                 /* Initialize firmware. */
1284                 req->ring_ptr  = req->ring;
1285                 req->ring_index    = 0;
1286                 req->cnt      = req->length;
1287         }
1288
1289         for (que = 0; que < ha->max_queues; que++) {
1290                 rsp = ha->rsp_q_map[que];
1291                 if (!rsp)
1292                         continue;
1293                 rsp->ring_ptr = rsp->ring;
1294                 rsp->ring_index    = 0;
1295
1296                 /* Initialize response queue entries */
1297                 qla2x00_init_response_q_entries(rsp);
1298         }
1299
1300         /* Clear RSCN queue. */
1301         list_for_each_entry(vp, &ha->vp_list, list) {
1302                 vp->rscn_in_ptr = 0;
1303                 vp->rscn_out_ptr = 0;
1304         }
1305         ha->isp_ops->config_rings(vha);
1306
1307         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1308
1309         /* Update any ISP specific firmware options before initialization. */
1310         ha->isp_ops->update_fw_options(vha);
1311
1312         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1313
1314         if (ha->flags.npiv_supported) {
1315                 if (ha->operating_mode == LOOP)
1316                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1317                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1318         }
1319
1320
1321         mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1322
1323         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1324         if (rval) {
1325                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1326                     vha->host_no));
1327         } else {
1328                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1329                     vha->host_no));
1330         }
1331
1332         return (rval);
1333 }
1334
1335 /**
1336  * qla2x00_fw_ready() - Waits for firmware ready.
1337  * @ha: HA context
1338  *
1339  * Returns 0 on success.
1340  */
1341 static int
1342 qla2x00_fw_ready(scsi_qla_host_t *vha)
1343 {
1344         int             rval;
1345         unsigned long   wtime, mtime, cs84xx_time;
1346         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1347         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1348         uint16_t        state[3];
1349         struct qla_hw_data *ha = vha->hw;
1350
1351         rval = QLA_SUCCESS;
1352
1353         /* 20 seconds for loop down. */
1354         min_wait = 20;
1355
1356         /*
1357          * Firmware should take at most one RATOV to login, plus 5 seconds for
1358          * our own processing.
1359          */
1360         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1361                 wait_time = min_wait;
1362         }
1363
1364         /* Min wait time if loop down */
1365         mtime = jiffies + (min_wait * HZ);
1366
1367         /* wait time before firmware ready */
1368         wtime = jiffies + (wait_time * HZ);
1369
1370         /* Wait for ISP to finish LIP */
1371         if (!vha->flags.init_done)
1372                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1373
1374         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1375             vha->host_no));
1376
1377         do {
1378                 rval = qla2x00_get_firmware_state(vha, state);
1379                 if (rval == QLA_SUCCESS) {
1380                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1381                                 vha->device_flags &= ~DFLG_NO_CABLE;
1382                         }
1383                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1384                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1385                                     "84xx=%x.\n", vha->host_no, state[0],
1386                                     state[2]));
1387                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1388                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1389                                         DEBUG16(printk("scsi(%ld): Sending "
1390                                             "verify iocb.\n", vha->host_no));
1391
1392                                         cs84xx_time = jiffies;
1393                                         rval = qla84xx_init_chip(vha);
1394                                         if (rval != QLA_SUCCESS)
1395                                                 break;
1396
1397                                         /* Add time taken to initialize. */
1398                                         cs84xx_time = jiffies - cs84xx_time;
1399                                         wtime += cs84xx_time;
1400                                         mtime += cs84xx_time;
1401                                         DEBUG16(printk("scsi(%ld): Increasing "
1402                                             "wait time by %ld. New time %ld\n",
1403                                             vha->host_no, cs84xx_time, wtime));
1404                                 }
1405                         } else if (state[0] == FSTATE_READY) {
1406                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1407                                     vha->host_no));
1408
1409                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1410                                     &ha->login_timeout, &ha->r_a_tov);
1411
1412                                 rval = QLA_SUCCESS;
1413                                 break;
1414                         }
1415
1416                         rval = QLA_FUNCTION_FAILED;
1417
1418                         if (atomic_read(&vha->loop_down_timer) &&
1419                             state[0] != FSTATE_READY) {
1420                                 /* Loop down. Timeout on min_wait for states
1421                                  * other than Wait for Login.
1422                                  */
1423                                 if (time_after_eq(jiffies, mtime)) {
1424                                         qla_printk(KERN_INFO, ha,
1425                                             "Cable is unplugged...\n");
1426
1427                                         vha->device_flags |= DFLG_NO_CABLE;
1428                                         break;
1429                                 }
1430                         }
1431                 } else {
1432                         /* Mailbox cmd failed. Timeout on min_wait. */
1433                         if (time_after_eq(jiffies, mtime))
1434                                 break;
1435                 }
1436
1437                 if (time_after_eq(jiffies, wtime))
1438                         break;
1439
1440                 /* Delay for a while */
1441                 msleep(500);
1442
1443                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1444                     vha->host_no, state[0], jiffies));
1445         } while (1);
1446
1447         DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1448             vha->host_no, state[0], jiffies));
1449
1450         if (rval) {
1451                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1452                     vha->host_no));
1453         }
1454
1455         return (rval);
1456 }
1457
1458 /*
1459 *  qla2x00_configure_hba
1460 *      Setup adapter context.
1461 *
1462 * Input:
1463 *      ha = adapter state pointer.
1464 *
1465 * Returns:
1466 *      0 = success
1467 *
1468 * Context:
1469 *      Kernel context.
1470 */
1471 static int
1472 qla2x00_configure_hba(scsi_qla_host_t *vha)
1473 {
1474         int       rval;
1475         uint16_t      loop_id;
1476         uint16_t      topo;
1477         uint16_t      sw_cap;
1478         uint8_t       al_pa;
1479         uint8_t       area;
1480         uint8_t       domain;
1481         char            connect_type[22];
1482         struct qla_hw_data *ha = vha->hw;
1483
1484         /* Get host addresses. */
1485         rval = qla2x00_get_adapter_id(vha,
1486             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1487         if (rval != QLA_SUCCESS) {
1488                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1489                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1490                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1491                             __func__, vha->host_no));
1492                 } else {
1493                         qla_printk(KERN_WARNING, ha,
1494                             "ERROR -- Unable to get host loop ID.\n");
1495                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1496                 }
1497                 return (rval);
1498         }
1499
1500         if (topo == 4) {
1501                 qla_printk(KERN_INFO, ha,
1502                         "Cannot get topology - retrying.\n");
1503                 return (QLA_FUNCTION_FAILED);
1504         }
1505
1506         vha->loop_id = loop_id;
1507
1508         /* initialize */
1509         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1510         ha->operating_mode = LOOP;
1511         ha->switch_cap = 0;
1512
1513         switch (topo) {
1514         case 0:
1515                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1516                     vha->host_no));
1517                 ha->current_topology = ISP_CFG_NL;
1518                 strcpy(connect_type, "(Loop)");
1519                 break;
1520
1521         case 1:
1522                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1523                     vha->host_no));
1524                 ha->switch_cap = sw_cap;
1525                 ha->current_topology = ISP_CFG_FL;
1526                 strcpy(connect_type, "(FL_Port)");
1527                 break;
1528
1529         case 2:
1530                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1531                     vha->host_no));
1532                 ha->operating_mode = P2P;
1533                 ha->current_topology = ISP_CFG_N;
1534                 strcpy(connect_type, "(N_Port-to-N_Port)");
1535                 break;
1536
1537         case 3:
1538                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1539                     vha->host_no));
1540                 ha->switch_cap = sw_cap;
1541                 ha->operating_mode = P2P;
1542                 ha->current_topology = ISP_CFG_F;
1543                 strcpy(connect_type, "(F_Port)");
1544                 break;
1545
1546         default:
1547                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1548                     "Using NL.\n",
1549                     vha->host_no, topo));
1550                 ha->current_topology = ISP_CFG_NL;
1551                 strcpy(connect_type, "(Loop)");
1552                 break;
1553         }
1554
1555         /* Save Host port and loop ID. */
1556         /* byte order - Big Endian */
1557         vha->d_id.b.domain = domain;
1558         vha->d_id.b.area = area;
1559         vha->d_id.b.al_pa = al_pa;
1560
1561         if (!vha->flags.init_done)
1562                 qla_printk(KERN_INFO, ha,
1563                     "Topology - %s, Host Loop address 0x%x\n",
1564                     connect_type, vha->loop_id);
1565
1566         if (rval) {
1567                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1568         } else {
1569                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1570         }
1571
1572         return(rval);
1573 }
1574
1575 static inline void
1576 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1577         char *def)
1578 {
1579         char *st, *en;
1580         uint16_t index;
1581         struct qla_hw_data *ha = vha->hw;
1582
1583         if (memcmp(model, BINZERO, len) != 0) {
1584                 strncpy(ha->model_number, model, len);
1585                 st = en = ha->model_number;
1586                 en += len - 1;
1587                 while (en > st) {
1588                         if (*en != 0x20 && *en != 0x00)
1589                                 break;
1590                         *en-- = '\0';
1591                 }
1592
1593                 index = (ha->pdev->subsystem_device & 0xff);
1594                 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1595                     index < QLA_MODEL_NAMES)
1596                         strncpy(ha->model_desc,
1597                             qla2x00_model_name[index * 2 + 1],
1598                             sizeof(ha->model_desc) - 1);
1599         } else {
1600                 index = (ha->pdev->subsystem_device & 0xff);
1601                 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1602                     index < QLA_MODEL_NAMES) {
1603                         strcpy(ha->model_number,
1604                             qla2x00_model_name[index * 2]);
1605                         strncpy(ha->model_desc,
1606                             qla2x00_model_name[index * 2 + 1],
1607                             sizeof(ha->model_desc) - 1);
1608                 } else {
1609                         strcpy(ha->model_number, def);
1610                 }
1611         }
1612         if (IS_FWI2_CAPABLE(ha))
1613                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1614                     sizeof(ha->model_desc));
1615 }
1616
1617 /* On sparc systems, obtain port and node WWN from firmware
1618  * properties.
1619  */
1620 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
1621 {
1622 #ifdef CONFIG_SPARC
1623         struct qla_hw_data *ha = vha->hw;
1624         struct pci_dev *pdev = ha->pdev;
1625         struct device_node *dp = pci_device_to_OF_node(pdev);
1626         const u8 *val;
1627         int len;
1628
1629         val = of_get_property(dp, "port-wwn", &len);
1630         if (val && len >= WWN_SIZE)
1631                 memcpy(nv->port_name, val, WWN_SIZE);
1632
1633         val = of_get_property(dp, "node-wwn", &len);
1634         if (val && len >= WWN_SIZE)
1635                 memcpy(nv->node_name, val, WWN_SIZE);
1636 #endif
1637 }
1638
1639 /*
1640 * NVRAM configuration for ISP 2xxx
1641 *
1642 * Input:
1643 *      ha                = adapter block pointer.
1644 *
1645 * Output:
1646 *      initialization control block in response_ring
1647 *      host adapters parameters in host adapter block
1648 *
1649 * Returns:
1650 *      0 = success.
1651 */
1652 int
1653 qla2x00_nvram_config(scsi_qla_host_t *vha)
1654 {
1655         int             rval;
1656         uint8_t         chksum = 0;
1657         uint16_t        cnt;
1658         uint8_t         *dptr1, *dptr2;
1659         struct qla_hw_data *ha = vha->hw;
1660         init_cb_t       *icb = ha->init_cb;
1661         nvram_t         *nv = ha->nvram;
1662         uint8_t         *ptr = ha->nvram;
1663         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1664
1665         rval = QLA_SUCCESS;
1666
1667         /* Determine NVRAM starting address. */
1668         ha->nvram_size = sizeof(nvram_t);
1669         ha->nvram_base = 0;
1670         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1671                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1672                         ha->nvram_base = 0x80;
1673
1674         /* Get NVRAM data and calculate checksum. */
1675         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
1676         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1677                 chksum += *ptr++;
1678
1679         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
1680         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1681
1682         /* Bad NVRAM data, set defaults parameters. */
1683         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1684             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1685                 /* Reset NVRAM data. */
1686                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1687                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1688                     nv->nvram_version);
1689                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1690                     "invalid -- WWPN) defaults.\n");
1691
1692                 /*
1693                  * Set default initialization control block.
1694                  */
1695                 memset(nv, 0, ha->nvram_size);
1696                 nv->parameter_block_version = ICB_VERSION;
1697
1698                 if (IS_QLA23XX(ha)) {
1699                         nv->firmware_options[0] = BIT_2 | BIT_1;
1700                         nv->firmware_options[1] = BIT_7 | BIT_5;
1701                         nv->add_firmware_options[0] = BIT_5;
1702                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1703                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
1704                         nv->special_options[1] = BIT_7;
1705                 } else if (IS_QLA2200(ha)) {
1706                         nv->firmware_options[0] = BIT_2 | BIT_1;
1707                         nv->firmware_options[1] = BIT_7 | BIT_5;
1708                         nv->add_firmware_options[0] = BIT_5;
1709                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1710                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1711                 } else if (IS_QLA2100(ha)) {
1712                         nv->firmware_options[0] = BIT_3 | BIT_1;
1713                         nv->firmware_options[1] = BIT_5;
1714                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1715                 }
1716
1717                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1718                 nv->execution_throttle = __constant_cpu_to_le16(16);
1719                 nv->retry_count = 8;
1720                 nv->retry_delay = 1;
1721
1722                 nv->port_name[0] = 33;
1723                 nv->port_name[3] = 224;
1724                 nv->port_name[4] = 139;
1725
1726                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
1727
1728                 nv->login_timeout = 4;
1729
1730                 /*
1731                  * Set default host adapter parameters
1732                  */
1733                 nv->host_p[1] = BIT_2;
1734                 nv->reset_delay = 5;
1735                 nv->port_down_retry_count = 8;
1736                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1737                 nv->link_down_timeout = 60;
1738
1739                 rval = 1;
1740         }
1741
1742 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1743         /*
1744          * The SN2 does not provide BIOS emulation which means you can't change
1745          * potentially bogus BIOS settings. Force the use of default settings
1746          * for link rate and frame size.  Hope that the rest of the settings
1747          * are valid.
1748          */
1749         if (ia64_platform_is("sn2")) {
1750                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1751                 if (IS_QLA23XX(ha))
1752                         nv->special_options[1] = BIT_7;
1753         }
1754 #endif
1755
1756         /* Reset Initialization control block */
1757         memset(icb, 0, ha->init_cb_size);
1758
1759         /*
1760          * Setup driver NVRAM options.
1761          */
1762         nv->firmware_options[0] |= (BIT_6 | BIT_1);
1763         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1764         nv->firmware_options[1] |= (BIT_5 | BIT_0);
1765         nv->firmware_options[1] &= ~BIT_4;
1766
1767         if (IS_QLA23XX(ha)) {
1768                 nv->firmware_options[0] |= BIT_2;
1769                 nv->firmware_options[0] &= ~BIT_3;
1770                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1771
1772                 if (IS_QLA2300(ha)) {
1773                         if (ha->fb_rev == FPM_2310) {
1774                                 strcpy(ha->model_number, "QLA2310");
1775                         } else {
1776                                 strcpy(ha->model_number, "QLA2300");
1777                         }
1778                 } else {
1779                         qla2x00_set_model_info(vha, nv->model_number,
1780                             sizeof(nv->model_number), "QLA23xx");
1781                 }
1782         } else if (IS_QLA2200(ha)) {
1783                 nv->firmware_options[0] |= BIT_2;
1784                 /*
1785                  * 'Point-to-point preferred, else loop' is not a safe
1786                  * connection mode setting.
1787                  */
1788                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1789                     (BIT_5 | BIT_4)) {
1790                         /* Force 'loop preferred, else point-to-point'. */
1791                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1792                         nv->add_firmware_options[0] |= BIT_5;
1793                 }
1794                 strcpy(ha->model_number, "QLA22xx");
1795         } else /*if (IS_QLA2100(ha))*/ {
1796                 strcpy(ha->model_number, "QLA2100");
1797         }
1798
1799         /*
1800          * Copy over NVRAM RISC parameter block to initialization control block.
1801          */
1802         dptr1 = (uint8_t *)icb;
1803         dptr2 = (uint8_t *)&nv->parameter_block_version;
1804         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1805         while (cnt--)
1806                 *dptr1++ = *dptr2++;
1807
1808         /* Copy 2nd half. */
1809         dptr1 = (uint8_t *)icb->add_firmware_options;
1810         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1811         while (cnt--)
1812                 *dptr1++ = *dptr2++;
1813
1814         /* Use alternate WWN? */
1815         if (nv->host_p[1] & BIT_7) {
1816                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1817                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1818         }
1819
1820         /* Prepare nodename */
1821         if ((icb->firmware_options[1] & BIT_6) == 0) {
1822                 /*
1823                  * Firmware will apply the following mask if the nodename was
1824                  * not provided.
1825                  */
1826                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1827                 icb->node_name[0] &= 0xF0;
1828         }
1829
1830         /*
1831          * Set host adapter parameters.
1832          */
1833         if (nv->host_p[0] & BIT_7)
1834                 ql2xextended_error_logging = 1;
1835         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1836         /* Always load RISC code on non ISP2[12]00 chips. */
1837         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1838                 ha->flags.disable_risc_code_load = 0;
1839         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1840         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1841         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1842         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1843         ha->flags.disable_serdes = 0;
1844
1845         ha->operating_mode =
1846             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1847
1848         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1849             sizeof(ha->fw_seriallink_options));
1850
1851         /* save HBA serial number */
1852         ha->serial0 = icb->port_name[5];
1853         ha->serial1 = icb->port_name[6];
1854         ha->serial2 = icb->port_name[7];
1855         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
1856         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1857
1858         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1859
1860         ha->retry_count = nv->retry_count;
1861
1862         /* Set minimum login_timeout to 4 seconds. */
1863         if (nv->login_timeout < ql2xlogintimeout)
1864                 nv->login_timeout = ql2xlogintimeout;
1865         if (nv->login_timeout < 4)
1866                 nv->login_timeout = 4;
1867         ha->login_timeout = nv->login_timeout;
1868         icb->login_timeout = nv->login_timeout;
1869
1870         /* Set minimum RATOV to 100 tenths of a second. */
1871         ha->r_a_tov = 100;
1872
1873         ha->loop_reset_delay = nv->reset_delay;
1874
1875         /* Link Down Timeout = 0:
1876          *
1877          *      When Port Down timer expires we will start returning
1878          *      I/O's to OS with "DID_NO_CONNECT".
1879          *
1880          * Link Down Timeout != 0:
1881          *
1882          *       The driver waits for the link to come up after link down
1883          *       before returning I/Os to OS with "DID_NO_CONNECT".
1884          */
1885         if (nv->link_down_timeout == 0) {
1886                 ha->loop_down_abort_time =
1887                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1888         } else {
1889                 ha->link_down_timeout =  nv->link_down_timeout;
1890                 ha->loop_down_abort_time =
1891                     (LOOP_DOWN_TIME - ha->link_down_timeout);
1892         }
1893
1894         /*
1895          * Need enough time to try and get the port back.
1896          */
1897         ha->port_down_retry_count = nv->port_down_retry_count;
1898         if (qlport_down_retry)
1899                 ha->port_down_retry_count = qlport_down_retry;
1900         /* Set login_retry_count */
1901         ha->login_retry_count  = nv->retry_count;
1902         if (ha->port_down_retry_count == nv->port_down_retry_count &&
1903             ha->port_down_retry_count > 3)
1904                 ha->login_retry_count = ha->port_down_retry_count;
1905         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1906                 ha->login_retry_count = ha->port_down_retry_count;
1907         if (ql2xloginretrycount)
1908                 ha->login_retry_count = ql2xloginretrycount;
1909
1910         icb->lun_enables = __constant_cpu_to_le16(0);
1911         icb->command_resource_count = 0;
1912         icb->immediate_notify_resource_count = 0;
1913         icb->timeout = __constant_cpu_to_le16(0);
1914
1915         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1916                 /* Enable RIO */
1917                 icb->firmware_options[0] &= ~BIT_3;
1918                 icb->add_firmware_options[0] &=
1919                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1920                 icb->add_firmware_options[0] |= BIT_2;
1921                 icb->response_accumulation_timer = 3;
1922                 icb->interrupt_delay_timer = 5;
1923
1924                 vha->flags.process_response_queue = 1;
1925         } else {
1926                 /* Enable ZIO. */
1927                 if (!vha->flags.init_done) {
1928                         ha->zio_mode = icb->add_firmware_options[0] &
1929                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1930                         ha->zio_timer = icb->interrupt_delay_timer ?
1931                             icb->interrupt_delay_timer: 2;
1932                 }
1933                 icb->add_firmware_options[0] &=
1934                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1935                 vha->flags.process_response_queue = 0;
1936                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1937                         ha->zio_mode = QLA_ZIO_MODE_6;
1938
1939                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1940                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
1941                             ha->zio_timer * 100));
1942                         qla_printk(KERN_INFO, ha,
1943                             "ZIO mode %d enabled; timer delay (%d us).\n",
1944                             ha->zio_mode, ha->zio_timer * 100);
1945
1946                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1947                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1948                         vha->flags.process_response_queue = 1;
1949                 }
1950         }
1951
1952         if (rval) {
1953                 DEBUG2_3(printk(KERN_WARNING
1954                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
1955         }
1956         return (rval);
1957 }
1958
1959 static void
1960 qla2x00_rport_del(void *data)
1961 {
1962         fc_port_t *fcport = data;
1963         struct fc_rport *rport;
1964
1965         spin_lock_irq(fcport->vha->host->host_lock);
1966         rport = fcport->drport;
1967         fcport->drport = NULL;
1968         spin_unlock_irq(fcport->vha->host->host_lock);
1969         if (rport)
1970                 fc_remote_port_delete(rport);
1971 }
1972
1973 /**
1974  * qla2x00_alloc_fcport() - Allocate a generic fcport.
1975  * @ha: HA context
1976  * @flags: allocation flags
1977  *
1978  * Returns a pointer to the allocated fcport, or NULL, if none available.
1979  */
1980 static fc_port_t *
1981 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1982 {
1983         fc_port_t *fcport;
1984
1985         fcport = kzalloc(sizeof(fc_port_t), flags);
1986         if (!fcport)
1987                 return NULL;
1988
1989         /* Setup fcport template structure. */
1990         fcport->vha = vha;
1991         fcport->vp_idx = vha->vp_idx;
1992         fcport->port_type = FCT_UNKNOWN;
1993         fcport->loop_id = FC_NO_LOOP_ID;
1994         atomic_set(&fcport->state, FCS_UNCONFIGURED);
1995         fcport->flags = FCF_RLC_SUPPORT;
1996         fcport->supported_classes = FC_COS_UNSPECIFIED;
1997
1998         return fcport;
1999 }
2000
2001 /*
2002  * qla2x00_configure_loop
2003  *      Updates Fibre Channel Device Database with what is actually on loop.
2004  *
2005  * Input:
2006  *      ha                = adapter block pointer.
2007  *
2008  * Returns:
2009  *      0 = success.
2010  *      1 = error.
2011  *      2 = database was full and device was not configured.
2012  */
2013 static int
2014 qla2x00_configure_loop(scsi_qla_host_t *vha)
2015 {
2016         int  rval;
2017         unsigned long flags, save_flags;
2018         struct qla_hw_data *ha = vha->hw;
2019         rval = QLA_SUCCESS;
2020
2021         /* Get Initiator ID */
2022         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2023                 rval = qla2x00_configure_hba(vha);
2024                 if (rval != QLA_SUCCESS) {
2025                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2026                             vha->host_no));
2027                         return (rval);
2028                 }
2029         }
2030
2031         save_flags = flags = vha->dpc_flags;
2032         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2033             vha->host_no, flags));
2034
2035         /*
2036          * If we have both an RSCN and PORT UPDATE pending then handle them
2037          * both at the same time.
2038          */
2039         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2040         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2041
2042         /* Determine what we need to do */
2043         if (ha->current_topology == ISP_CFG_FL &&
2044             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2045
2046                 vha->flags.rscn_queue_overflow = 1;
2047                 set_bit(RSCN_UPDATE, &flags);
2048
2049         } else if (ha->current_topology == ISP_CFG_F &&
2050             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2051
2052                 vha->flags.rscn_queue_overflow = 1;
2053                 set_bit(RSCN_UPDATE, &flags);
2054                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2055
2056         } else if (ha->current_topology == ISP_CFG_N) {
2057                 clear_bit(RSCN_UPDATE, &flags);
2058
2059         } else if (!vha->flags.online ||
2060             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2061
2062                 vha->flags.rscn_queue_overflow = 1;
2063                 set_bit(RSCN_UPDATE, &flags);
2064                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2065         }
2066
2067         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2068                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2069                         rval = QLA_FUNCTION_FAILED;
2070                 else
2071                         rval = qla2x00_configure_local_loop(vha);
2072         }
2073
2074         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2075                 if (LOOP_TRANSITION(vha))
2076                         rval = QLA_FUNCTION_FAILED;
2077                 else
2078                         rval = qla2x00_configure_fabric(vha);
2079         }
2080
2081         if (rval == QLA_SUCCESS) {
2082                 if (atomic_read(&vha->loop_down_timer) ||
2083                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2084                         rval = QLA_FUNCTION_FAILED;
2085                 } else {
2086                         atomic_set(&vha->loop_state, LOOP_READY);
2087
2088                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2089                 }
2090         }
2091
2092         if (rval) {
2093                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2094                     __func__, vha->host_no));
2095         } else {
2096                 DEBUG3(printk("%s: exiting normally\n", __func__));
2097         }
2098
2099         /* Restore state if a resync event occurred during processing */
2100         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2101                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2102                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2103                 if (test_bit(RSCN_UPDATE, &save_flags))
2104                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2105         }
2106
2107         return (rval);
2108 }
2109
2110
2111
2112 /*
2113  * qla2x00_configure_local_loop
2114  *      Updates Fibre Channel Device Database with local loop devices.
2115  *
2116  * Input:
2117  *      ha = adapter block pointer.
2118  *
2119  * Returns:
2120  *      0 = success.
2121  */
2122 static int
2123 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2124 {
2125         int             rval, rval2;
2126         int             found_devs;
2127         int             found;
2128         fc_port_t       *fcport, *new_fcport;
2129
2130         uint16_t        index;
2131         uint16_t        entries;
2132         char            *id_iter;
2133         uint16_t        loop_id;
2134         uint8_t         domain, area, al_pa;
2135         struct qla_hw_data *ha = vha->hw;
2136
2137         found_devs = 0;
2138         new_fcport = NULL;
2139         entries = MAX_FIBRE_DEVICES;
2140
2141         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2142         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2143
2144         /* Get list of logged in devices. */
2145         memset(ha->gid_list, 0, GID_LIST_SIZE);
2146         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2147             &entries);
2148         if (rval != QLA_SUCCESS)
2149                 goto cleanup_allocation;
2150
2151         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2152             ha->host_no, entries));
2153         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2154             entries * sizeof(struct gid_list_info)));
2155
2156         /* Allocate temporary fcport for any new fcports discovered. */
2157         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2158         if (new_fcport == NULL) {
2159                 rval = QLA_MEMORY_ALLOC_FAILED;
2160                 goto cleanup_allocation;
2161         }
2162         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2163
2164         /*
2165          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2166          */
2167         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2168                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2169                     fcport->port_type != FCT_BROADCAST &&
2170                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2171
2172                         DEBUG(printk("scsi(%ld): Marking port lost, "
2173                             "loop_id=0x%04x\n",
2174                             vha->host_no, fcport->loop_id));
2175
2176                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2177                         fcport->flags &= ~FCF_FARP_DONE;
2178                 }
2179         }
2180
2181         /* Add devices to port list. */
2182         id_iter = (char *)ha->gid_list;
2183         for (index = 0; index < entries; index++) {
2184                 domain = ((struct gid_list_info *)id_iter)->domain;
2185                 area = ((struct gid_list_info *)id_iter)->area;
2186                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2187                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2188                         loop_id = (uint16_t)
2189                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2190                 else
2191                         loop_id = le16_to_cpu(
2192                             ((struct gid_list_info *)id_iter)->loop_id);
2193                 id_iter += ha->gid_list_info_size;
2194
2195                 /* Bypass reserved domain fields. */
2196                 if ((domain & 0xf0) == 0xf0)
2197                         continue;
2198
2199                 /* Bypass if not same domain and area of adapter. */
2200                 if (area && domain &&
2201                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2202                         continue;
2203
2204                 /* Bypass invalid local loop ID. */
2205                 if (loop_id > LAST_LOCAL_LOOP_ID)
2206                         continue;
2207
2208                 /* Fill in member data. */
2209                 new_fcport->d_id.b.domain = domain;
2210                 new_fcport->d_id.b.area = area;
2211                 new_fcport->d_id.b.al_pa = al_pa;
2212                 new_fcport->loop_id = loop_id;
2213                 new_fcport->vp_idx = vha->vp_idx;
2214                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2215                 if (rval2 != QLA_SUCCESS) {
2216                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2217                             "information -- get_port_database=%x, "
2218                             "loop_id=0x%04x\n",
2219                             vha->host_no, rval2, new_fcport->loop_id));
2220                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2221                             vha->host_no));
2222                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2223                         continue;
2224                 }
2225
2226                 /* Check for matching device in port list. */
2227                 found = 0;
2228                 fcport = NULL;
2229                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2230                         if (memcmp(new_fcport->port_name, fcport->port_name,
2231                             WWN_SIZE))
2232                                 continue;
2233
2234                         fcport->flags &= ~(FCF_FABRIC_DEVICE |
2235                             FCF_PERSISTENT_BOUND);
2236                         fcport->loop_id = new_fcport->loop_id;
2237                         fcport->port_type = new_fcport->port_type;
2238                         fcport->d_id.b24 = new_fcport->d_id.b24;
2239                         memcpy(fcport->node_name, new_fcport->node_name,
2240                             WWN_SIZE);
2241
2242                         found++;
2243                         break;
2244                 }
2245
2246                 if (!found) {
2247                         /* New device, add to fcports list. */
2248                         new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2249                         if (vha->vp_idx) {
2250                                 new_fcport->vha = vha;
2251                                 new_fcport->vp_idx = vha->vp_idx;
2252                         }
2253                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2254
2255                         /* Allocate a new replacement fcport. */
2256                         fcport = new_fcport;
2257                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2258                         if (new_fcport == NULL) {
2259                                 rval = QLA_MEMORY_ALLOC_FAILED;
2260                                 goto cleanup_allocation;
2261                         }
2262                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2263                 }
2264
2265                 /* Base iIDMA settings on HBA port speed. */
2266                 fcport->fp_speed = ha->link_data_rate;
2267
2268                 qla2x00_update_fcport(vha, fcport);
2269
2270                 found_devs++;
2271         }
2272
2273 cleanup_allocation:
2274         kfree(new_fcport);
2275
2276         if (rval != QLA_SUCCESS) {
2277                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2278                     "rval=%x\n", vha->host_no, rval));
2279         }
2280
2281         if (found_devs) {
2282                 vha->device_flags |= DFLG_LOCAL_DEVICES;
2283                 vha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2284         }
2285
2286         return (rval);
2287 }
2288
2289 static void
2290 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2291 {
2292 #define LS_UNKNOWN      2
2293         static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
2294         int rval;
2295         uint16_t mb[6];
2296         struct qla_hw_data *ha = vha->hw;
2297
2298         if (!IS_IIDMA_CAPABLE(ha))
2299                 return;
2300
2301         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2302             fcport->fp_speed > ha->link_data_rate)
2303                 return;
2304
2305         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2306             mb);
2307         if (rval != QLA_SUCCESS) {
2308                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2309                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2310                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2311                     fcport->port_name[2], fcport->port_name[3],
2312                     fcport->port_name[4], fcport->port_name[5],
2313                     fcport->port_name[6], fcport->port_name[7], rval,
2314                     fcport->fp_speed, mb[0], mb[1]));
2315         } else {
2316                 DEBUG2(qla_printk(KERN_INFO, ha,
2317                     "iIDMA adjusted to %s GB/s on "
2318                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2319                     link_speeds[fcport->fp_speed], fcport->port_name[0],
2320                     fcport->port_name[1], fcport->port_name[2],
2321                     fcport->port_name[3], fcport->port_name[4],
2322                     fcport->port_name[5], fcport->port_name[6],
2323                     fcport->port_name[7]));
2324         }
2325 }
2326
2327 static void
2328 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2329 {
2330         struct fc_rport_identifiers rport_ids;
2331         struct fc_rport *rport;
2332         struct qla_hw_data *ha = vha->hw;
2333
2334         if (fcport->drport)
2335                 qla2x00_rport_del(fcport);
2336
2337         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2338         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2339         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2340             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2341         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2342         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2343         if (!rport) {
2344                 qla_printk(KERN_WARNING, ha,
2345                     "Unable to allocate fc remote port!\n");
2346                 return;
2347         }
2348         spin_lock_irq(fcport->vha->host->host_lock);
2349         *((fc_port_t **)rport->dd_data) = fcport;
2350         spin_unlock_irq(fcport->vha->host->host_lock);
2351
2352         rport->supported_classes = fcport->supported_classes;
2353
2354         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2355         if (fcport->port_type == FCT_INITIATOR)
2356                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2357         if (fcport->port_type == FCT_TARGET)
2358                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2359         fc_remote_port_rolechg(rport, rport_ids.roles);
2360 }
2361
2362 /*
2363  * qla2x00_update_fcport
2364  *      Updates device on list.
2365  *
2366  * Input:
2367  *      ha = adapter block pointer.
2368  *      fcport = port structure pointer.
2369  *
2370  * Return:
2371  *      0  - Success
2372  *  BIT_0 - error
2373  *
2374  * Context:
2375  *      Kernel context.
2376  */
2377 void
2378 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2379 {
2380         struct qla_hw_data *ha = vha->hw;
2381
2382         fcport->vha = vha;
2383         fcport->login_retry = 0;
2384         fcport->port_login_retry_count = ha->port_down_retry_count *
2385             PORT_RETRY_TIME;
2386         atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2387             PORT_RETRY_TIME);
2388         fcport->flags &= ~FCF_LOGIN_NEEDED;
2389
2390         qla2x00_iidma_fcport(vha, fcport);
2391
2392         atomic_set(&fcport->state, FCS_ONLINE);
2393
2394         qla2x00_reg_remote_port(vha, fcport);
2395 }
2396
2397 /*
2398  * qla2x00_configure_fabric
2399  *      Setup SNS devices with loop ID's.
2400  *
2401  * Input:
2402  *      ha = adapter block pointer.
2403  *
2404  * Returns:
2405  *      0 = success.
2406  *      BIT_0 = error
2407  */
2408 static int
2409 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2410 {
2411         int     rval, rval2;
2412         fc_port_t       *fcport, *fcptemp;
2413         uint16_t        next_loopid;
2414         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2415         uint16_t        loop_id;
2416         LIST_HEAD(new_fcports);
2417         struct qla_hw_data *ha = vha->hw;
2418         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2419
2420         /* If FL port exists, then SNS is present */
2421         if (IS_FWI2_CAPABLE(ha))
2422                 loop_id = NPH_F_PORT;
2423         else
2424                 loop_id = SNS_FL_PORT;
2425         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2426         if (rval != QLA_SUCCESS) {
2427                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2428                     "Port\n", vha->host_no));
2429
2430                 vha->device_flags &= ~SWITCH_FOUND;
2431                 return (QLA_SUCCESS);
2432         }
2433         vha->device_flags |= SWITCH_FOUND;
2434
2435         /* Mark devices that need re-synchronization. */
2436         rval2 = qla2x00_device_resync(vha);
2437         if (rval2 == QLA_RSCNS_HANDLED) {
2438                 /* No point doing the scan, just continue. */
2439                 return (QLA_SUCCESS);
2440         }
2441         do {
2442                 /* FDMI support. */
2443                 if (ql2xfdmienable &&
2444                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2445                         qla2x00_fdmi_register(vha);
2446
2447                 /* Ensure we are logged into the SNS. */
2448                 if (IS_FWI2_CAPABLE(ha))
2449                         loop_id = NPH_SNS;
2450                 else
2451                         loop_id = SIMPLE_NAME_SERVER;
2452                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2453                     0xfc, mb, BIT_1 | BIT_0);
2454                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2455                         DEBUG2(qla_printk(KERN_INFO, ha,
2456                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2457                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2458                             mb[0], mb[1], mb[2], mb[6], mb[7]));
2459                         return (QLA_SUCCESS);
2460                 }
2461
2462                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2463                         if (qla2x00_rft_id(vha)) {
2464                                 /* EMPTY */
2465                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2466                                     "TYPE failed.\n", vha->host_no));
2467                         }
2468                         if (qla2x00_rff_id(vha)) {
2469                                 /* EMPTY */
2470                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2471                                     "Features failed.\n", vha->host_no));
2472                         }
2473                         if (qla2x00_rnn_id(vha)) {
2474                                 /* EMPTY */
2475                                 DEBUG2(printk("scsi(%ld): Register Node Name "
2476                                     "failed.\n", vha->host_no));
2477                         } else if (qla2x00_rsnn_nn(vha)) {
2478                                 /* EMPTY */
2479                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
2480                                     "Node Name failed.\n", vha->host_no));
2481                         }
2482                 }
2483
2484                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2485                 if (rval != QLA_SUCCESS)
2486                         break;
2487
2488                 /*
2489                  * Logout all previous fabric devices marked lost, except
2490                  * tape devices.
2491                  */
2492                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2493                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2494                                 break;
2495
2496                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2497                                 continue;
2498
2499                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2500                                 qla2x00_mark_device_lost(vha, fcport,
2501                                     ql2xplogiabsentdevice, 0);
2502                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
2503                                     (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2504                                     fcport->port_type != FCT_INITIATOR &&
2505                                     fcport->port_type != FCT_BROADCAST) {
2506                                         ha->isp_ops->fabric_logout(vha,
2507                                             fcport->loop_id,
2508                                             fcport->d_id.b.domain,
2509                                             fcport->d_id.b.area,
2510                                             fcport->d_id.b.al_pa);
2511                                         fcport->loop_id = FC_NO_LOOP_ID;
2512                                 }
2513                         }
2514                 }
2515
2516                 /* Starting free loop ID. */
2517                 next_loopid = ha->min_external_loopid;
2518
2519                 /*
2520                  * Scan through our port list and login entries that need to be
2521                  * logged in.
2522                  */
2523                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2524                         if (atomic_read(&vha->loop_down_timer) ||
2525                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2526                                 break;
2527
2528                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2529                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2530                                 continue;
2531
2532                         if (fcport->loop_id == FC_NO_LOOP_ID) {
2533                                 fcport->loop_id = next_loopid;
2534                                 rval = qla2x00_find_new_loop_id(
2535                                     base_vha, fcport);
2536                                 if (rval != QLA_SUCCESS) {
2537                                         /* Ran out of IDs to use */
2538                                         break;
2539                                 }
2540                         }
2541                         /* Login and update database */
2542                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2543                 }
2544
2545                 /* Exit if out of loop IDs. */
2546                 if (rval != QLA_SUCCESS) {
2547                         break;
2548                 }
2549
2550                 /*
2551                  * Login and add the new devices to our port list.
2552                  */
2553                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2554                         if (atomic_read(&vha->loop_down_timer) ||
2555                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2556                                 break;
2557
2558                         /* Find a new loop ID to use. */
2559                         fcport->loop_id = next_loopid;
2560                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
2561                         if (rval != QLA_SUCCESS) {
2562                                 /* Ran out of IDs to use */
2563                                 break;
2564                         }
2565
2566                         /* Login and update database */
2567                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2568
2569                         if (vha->vp_idx) {
2570                                 fcport->vha = vha;
2571                                 fcport->vp_idx = vha->vp_idx;
2572                         }
2573                         list_move_tail(&fcport->list, &vha->vp_fcports);
2574                 }
2575         } while (0);
2576
2577         /* Free all new device structures not processed. */
2578         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2579                 list_del(&fcport->list);
2580                 kfree(fcport);
2581         }
2582
2583         if (rval) {
2584                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2585                     "rval=%d\n", vha->host_no, rval));
2586         }
2587
2588         return (rval);
2589 }
2590
2591
2592 /*
2593  * qla2x00_find_all_fabric_devs
2594  *
2595  * Input:
2596  *      ha = adapter block pointer.
2597  *      dev = database device entry pointer.
2598  *
2599  * Returns:
2600  *      0 = success.
2601  *
2602  * Context:
2603  *      Kernel context.
2604  */
2605 static int
2606 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2607         struct list_head *new_fcports)
2608 {
2609         int             rval;
2610         uint16_t        loop_id;
2611         fc_port_t       *fcport, *new_fcport, *fcptemp;
2612         int             found;
2613
2614         sw_info_t       *swl;
2615         int             swl_idx;
2616         int             first_dev, last_dev;
2617         port_id_t       wrap, nxt_d_id;
2618         struct qla_hw_data *ha = vha->hw;
2619         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
2620         struct scsi_qla_host *tvp;
2621
2622         rval = QLA_SUCCESS;
2623
2624         /* Try GID_PT to get device list, else GAN. */
2625         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2626         if (!swl) {
2627                 /*EMPTY*/
2628                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2629                     "on GA_NXT\n", vha->host_no));
2630         } else {
2631                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
2632                         kfree(swl);
2633                         swl = NULL;
2634                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
2635                         kfree(swl);
2636                         swl = NULL;
2637                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
2638                         kfree(swl);
2639                         swl = NULL;
2640                 } else if (ql2xiidmaenable &&
2641                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2642                         qla2x00_gpsc(vha, swl);
2643                 }
2644         }
2645         swl_idx = 0;
2646
2647         /* Allocate temporary fcport for any new fcports discovered. */
2648         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2649         if (new_fcport == NULL) {
2650                 kfree(swl);
2651                 return (QLA_MEMORY_ALLOC_FAILED);
2652         }
2653         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2654         /* Set start port ID scan at adapter ID. */
2655         first_dev = 1;
2656         last_dev = 0;
2657
2658         /* Starting free loop ID. */
2659         loop_id = ha->min_external_loopid;
2660         for (; loop_id <= ha->max_loop_id; loop_id++) {
2661                 if (qla2x00_is_reserved_id(vha, loop_id))
2662                         continue;
2663
2664                 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
2665                         break;
2666
2667                 if (swl != NULL) {
2668                         if (last_dev) {
2669                                 wrap.b24 = new_fcport->d_id.b24;
2670                         } else {
2671                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2672                                 memcpy(new_fcport->node_name,
2673                                     swl[swl_idx].node_name, WWN_SIZE);
2674                                 memcpy(new_fcport->port_name,
2675                                     swl[swl_idx].port_name, WWN_SIZE);
2676                                 memcpy(new_fcport->fabric_port_name,
2677                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
2678                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2679
2680                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2681                                         last_dev = 1;
2682                                 }
2683                                 swl_idx++;
2684                         }
2685                 } else {
2686                         /* Send GA_NXT to the switch */
2687                         rval = qla2x00_ga_nxt(vha, new_fcport);
2688                         if (rval != QLA_SUCCESS) {
2689                                 qla_printk(KERN_WARNING, ha,
2690                                     "SNS scan failed -- assuming zero-entry "
2691                                     "result...\n");
2692                                 list_for_each_entry_safe(fcport, fcptemp,
2693                                     new_fcports, list) {
2694                                         list_del(&fcport->list);
2695                                         kfree(fcport);
2696                                 }
2697                                 rval = QLA_SUCCESS;
2698                                 break;
2699                         }
2700                 }
2701
2702                 /* If wrap on switch device list, exit. */
2703                 if (first_dev) {
2704                         wrap.b24 = new_fcport->d_id.b24;
2705                         first_dev = 0;
2706                 } else if (new_fcport->d_id.b24 == wrap.b24) {
2707                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2708                             vha->host_no, new_fcport->d_id.b.domain,
2709                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2710                         break;
2711                 }
2712
2713                 /* Bypass if same physical adapter. */
2714                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
2715                         continue;
2716
2717                 /* Bypass virtual ports of the same host. */
2718                 found = 0;
2719                 if (ha->num_vhosts) {
2720                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2721                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2722                                         found = 1;
2723                                         break;
2724                                 }
2725                         }
2726                         if (found)
2727                                 continue;
2728                 }
2729
2730                 /* Bypass if same domain and area of adapter. */
2731                 if (((new_fcport->d_id.b24 & 0xffff00) ==
2732                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2733                         ISP_CFG_FL)
2734                             continue;
2735
2736                 /* Bypass reserved domain fields. */
2737                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2738                         continue;
2739
2740                 /* Locate matching device in database. */
2741                 found = 0;
2742                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2743                         if (memcmp(new_fcport->port_name, fcport->port_name,
2744                             WWN_SIZE))
2745                                 continue;
2746
2747                         found++;
2748
2749                         /* Update port state. */
2750                         memcpy(fcport->fabric_port_name,
2751                             new_fcport->fabric_port_name, WWN_SIZE);
2752                         fcport->fp_speed = new_fcport->fp_speed;
2753
2754                         /*
2755                          * If address the same and state FCS_ONLINE, nothing
2756                          * changed.
2757                          */
2758                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2759                             atomic_read(&fcport->state) == FCS_ONLINE) {
2760                                 break;
2761                         }
2762
2763                         /*
2764                          * If device was not a fabric device before.
2765                          */
2766                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2767                                 fcport->d_id.b24 = new_fcport->d_id.b24;
2768                                 fcport->loop_id = FC_NO_LOOP_ID;
2769                                 fcport->flags |= (FCF_FABRIC_DEVICE |
2770                                     FCF_LOGIN_NEEDED);
2771                                 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2772                                 break;
2773                         }
2774
2775                         /*
2776                          * Port ID changed or device was marked to be updated;
2777                          * Log it out if still logged in and mark it for
2778                          * relogin later.
2779                          */
2780                         fcport->d_id.b24 = new_fcport->d_id.b24;
2781                         fcport->flags |= FCF_LOGIN_NEEDED;
2782                         if (fcport->loop_id != FC_NO_LOOP_ID &&
2783                             (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2784                             fcport->port_type != FCT_INITIATOR &&
2785                             fcport->port_type != FCT_BROADCAST) {
2786                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
2787                                     fcport->d_id.b.domain, fcport->d_id.b.area,
2788                                     fcport->d_id.b.al_pa);
2789                                 fcport->loop_id = FC_NO_LOOP_ID;
2790                         }
2791
2792                         break;
2793                 }
2794
2795                 if (found)
2796                         continue;
2797                 /* If device was not in our fcports list, then add it. */
2798                 list_add_tail(&new_fcport->list, new_fcports);
2799
2800                 /* Allocate a new replacement fcport. */
2801                 nxt_d_id.b24 = new_fcport->d_id.b24;
2802                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2803                 if (new_fcport == NULL) {
2804                         kfree(swl);
2805                         return (QLA_MEMORY_ALLOC_FAILED);
2806                 }
2807                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2808                 new_fcport->d_id.b24 = nxt_d_id.b24;
2809         }
2810
2811         kfree(swl);
2812         kfree(new_fcport);
2813
2814         if (!list_empty(new_fcports))
2815                 vha->device_flags |= DFLG_FABRIC_DEVICES;
2816
2817         return (rval);
2818 }
2819
2820 /*
2821  * qla2x00_find_new_loop_id
2822  *      Scan through our port list and find a new usable loop ID.
2823  *
2824  * Input:
2825  *      ha:     adapter state pointer.
2826  *      dev:    port structure pointer.
2827  *
2828  * Returns:
2829  *      qla2x00 local function return status code.
2830  *
2831  * Context:
2832  *      Kernel context.
2833  */
2834 static int
2835 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
2836 {
2837         int     rval;
2838         int     found;
2839         fc_port_t *fcport;
2840         uint16_t first_loop_id;
2841         struct qla_hw_data *ha = vha->hw;
2842         struct scsi_qla_host *vp;
2843         struct scsi_qla_host *tvp;
2844
2845         rval = QLA_SUCCESS;
2846
2847         /* Save starting loop ID. */
2848         first_loop_id = dev->loop_id;
2849
2850         for (;;) {
2851                 /* Skip loop ID if already used by adapter. */
2852                 if (dev->loop_id == vha->loop_id)
2853                         dev->loop_id++;
2854
2855                 /* Skip reserved loop IDs. */
2856                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
2857                         dev->loop_id++;
2858
2859                 /* Reset loop ID if passed the end. */
2860                 if (dev->loop_id > ha->max_loop_id) {
2861                         /* first loop ID. */
2862                         dev->loop_id = ha->min_external_loopid;
2863                 }
2864
2865                 /* Check for loop ID being already in use. */
2866                 found = 0;
2867                 fcport = NULL;
2868                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2869                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
2870                                 if (fcport->loop_id == dev->loop_id &&
2871                                                                 fcport != dev) {
2872                                         /* ID possibly in use */
2873                                         found++;
2874                                         break;
2875                                 }
2876                         }
2877                         if (found)
2878                                 break;
2879                 }
2880
2881                 /* If not in use then it is free to use. */
2882                 if (!found) {
2883                         break;
2884                 }
2885
2886                 /* ID in use. Try next value. */
2887                 dev->loop_id++;
2888
2889                 /* If wrap around. No free ID to use. */
2890                 if (dev->loop_id == first_loop_id) {
2891                         dev->loop_id = FC_NO_LOOP_ID;
2892                         rval = QLA_FUNCTION_FAILED;
2893                         break;
2894                 }
2895         }
2896
2897         return (rval);
2898 }
2899
2900 /*
2901  * qla2x00_device_resync
2902  *      Marks devices in the database that needs resynchronization.
2903  *
2904  * Input:
2905  *      ha = adapter block pointer.
2906  *
2907  * Context:
2908  *      Kernel context.
2909  */
2910 static int
2911 qla2x00_device_resync(scsi_qla_host_t *vha)
2912 {
2913         int     rval;
2914         uint32_t mask;
2915         fc_port_t *fcport;
2916         uint32_t rscn_entry;
2917         uint8_t rscn_out_iter;
2918         uint8_t format;
2919         port_id_t d_id;
2920
2921         rval = QLA_RSCNS_HANDLED;
2922
2923         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
2924             vha->flags.rscn_queue_overflow) {
2925
2926                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
2927                 format = MSB(MSW(rscn_entry));
2928                 d_id.b.domain = LSB(MSW(rscn_entry));
2929                 d_id.b.area = MSB(LSW(rscn_entry));
2930                 d_id.b.al_pa = LSB(LSW(rscn_entry));
2931
2932                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2933                     "[%02x/%02x%02x%02x].\n",
2934                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
2935                     d_id.b.area, d_id.b.al_pa));
2936
2937                 vha->rscn_out_ptr++;
2938                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
2939                         vha->rscn_out_ptr = 0;
2940
2941                 /* Skip duplicate entries. */
2942                 for (rscn_out_iter = vha->rscn_out_ptr;
2943                     !vha->flags.rscn_queue_overflow &&
2944                     rscn_out_iter != vha->rscn_in_ptr;
2945                     rscn_out_iter = (rscn_out_iter ==
2946                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2947
2948                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
2949                                 break;
2950
2951                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2952                             "entry found at [%d].\n", vha->host_no,
2953                             rscn_out_iter));
2954
2955                         vha->rscn_out_ptr = rscn_out_iter;
2956                 }
2957
2958                 /* Queue overflow, set switch default case. */
2959                 if (vha->flags.rscn_queue_overflow) {
2960                         DEBUG(printk("scsi(%ld): device_resync: rscn "
2961                             "overflow.\n", vha->host_no));
2962
2963                         format = 3;
2964                         vha->flags.rscn_queue_overflow = 0;
2965                 }
2966
2967                 switch (format) {
2968                 case 0:
2969                         mask = 0xffffff;
2970                         break;
2971                 case 1:
2972                         mask = 0xffff00;
2973                         break;
2974                 case 2:
2975                         mask = 0xff0000;
2976                         break;
2977                 default:
2978                         mask = 0x0;
2979                         d_id.b24 = 0;
2980                         vha->rscn_out_ptr = vha->rscn_in_ptr;
2981                         break;
2982                 }
2983
2984                 rval = QLA_SUCCESS;
2985
2986                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2987                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2988                             (fcport->d_id.b24 & mask) != d_id.b24 ||
2989                             fcport->port_type == FCT_BROADCAST)
2990                                 continue;
2991
2992                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
2993                                 if (format != 3 ||
2994                                     fcport->port_type != FCT_INITIATOR) {
2995                                         qla2x00_mark_device_lost(vha, fcport,
2996                                             0, 0);
2997                                 }
2998                         }
2999                         fcport->flags &= ~FCF_FARP_DONE;
3000                 }
3001         }
3002         return (rval);
3003 }
3004
3005 /*
3006  * qla2x00_fabric_dev_login
3007  *      Login fabric target device and update FC port database.
3008  *
3009  * Input:
3010  *      ha:             adapter state pointer.
3011  *      fcport:         port structure list pointer.
3012  *      next_loopid:    contains value of a new loop ID that can be used
3013  *                      by the next login attempt.
3014  *
3015  * Returns:
3016  *      qla2x00 local function return status code.
3017  *
3018  * Context:
3019  *      Kernel context.
3020  */
3021 static int
3022 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3023     uint16_t *next_loopid)
3024 {
3025         int     rval;
3026         int     retry;
3027         uint8_t opts;
3028         struct qla_hw_data *ha = vha->hw;
3029
3030         rval = QLA_SUCCESS;
3031         retry = 0;
3032
3033         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3034         if (rval == QLA_SUCCESS) {
3035                 /* Send an ADISC to tape devices.*/
3036                 opts = 0;
3037                 if (fcport->flags & FCF_TAPE_PRESENT)
3038                         opts |= BIT_1;
3039                 rval = qla2x00_get_port_database(vha, fcport, opts);
3040                 if (rval != QLA_SUCCESS) {
3041                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3042                             fcport->d_id.b.domain, fcport->d_id.b.area,
3043                             fcport->d_id.b.al_pa);
3044                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3045                 } else {
3046                         qla2x00_update_fcport(vha, fcport);
3047                 }
3048         }
3049
3050         return (rval);
3051 }
3052
3053 /*
3054  * qla2x00_fabric_login
3055  *      Issue fabric login command.
3056  *
3057  * Input:
3058  *      ha = adapter block pointer.
3059  *      device = pointer to FC device type structure.
3060  *
3061  * Returns:
3062  *      0 - Login successfully
3063  *      1 - Login failed
3064  *      2 - Initiator device
3065  *      3 - Fatal error
3066  */
3067 int
3068 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3069     uint16_t *next_loopid)
3070 {
3071         int     rval;
3072         int     retry;
3073         uint16_t tmp_loopid;
3074         uint16_t mb[MAILBOX_REGISTER_COUNT];
3075         struct qla_hw_data *ha = vha->hw;
3076
3077         retry = 0;
3078         tmp_loopid = 0;
3079
3080         for (;;) {
3081                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3082                     "for port %02x%02x%02x.\n",
3083                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3084                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3085
3086                 /* Login fcport on switch. */
3087                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3088                     fcport->d_id.b.domain, fcport->d_id.b.area,
3089                     fcport->d_id.b.al_pa, mb, BIT_0);
3090                 if (mb[0] == MBS_PORT_ID_USED) {
3091                         /*
3092                          * Device has another loop ID.  The firmware team
3093                          * recommends the driver perform an implicit login with
3094                          * the specified ID again. The ID we just used is save
3095                          * here so we return with an ID that can be tried by
3096                          * the next login.
3097                          */
3098                         retry++;
3099                         tmp_loopid = fcport->loop_id;
3100                         fcport->loop_id = mb[1];
3101
3102                         DEBUG(printk("Fabric Login: port in use - next "
3103                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3104                             fcport->loop_id, fcport->d_id.b.domain,
3105                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3106
3107                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3108                         /*
3109                          * Login succeeded.
3110                          */
3111                         if (retry) {
3112                                 /* A retry occurred before. */
3113                                 *next_loopid = tmp_loopid;
3114                         } else {
3115                                 /*
3116                                  * No retry occurred before. Just increment the
3117                                  * ID value for next login.
3118                                  */
3119                                 *next_loopid = (fcport->loop_id + 1);
3120                         }
3121
3122                         if (mb[1] & BIT_0) {
3123                                 fcport->port_type = FCT_INITIATOR;
3124                         } else {
3125                                 fcport->port_type = FCT_TARGET;
3126                                 if (mb[1] & BIT_1) {
3127                                         fcport->flags |= FCF_TAPE_PRESENT;
3128                                 }
3129                         }
3130
3131                         if (mb[10] & BIT_0)
3132                                 fcport->supported_classes |= FC_COS_CLASS2;
3133                         if (mb[10] & BIT_1)
3134                                 fcport->supported_classes |= FC_COS_CLASS3;
3135
3136                         rval = QLA_SUCCESS;
3137                         break;
3138                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3139                         /*
3140                          * Loop ID already used, try next loop ID.
3141                          */
3142                         fcport->loop_id++;
3143                         rval = qla2x00_find_new_loop_id(vha, fcport);
3144                         if (rval != QLA_SUCCESS) {
3145                                 /* Ran out of loop IDs to use */
3146                                 break;
3147                         }
3148                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3149                         /*
3150                          * Firmware possibly timed out during login. If NO
3151                          * retries are left to do then the device is declared
3152                          * dead.
3153                          */
3154                         *next_loopid = fcport->loop_id;
3155                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3156                             fcport->d_id.b.domain, fcport->d_id.b.area,
3157                             fcport->d_id.b.al_pa);
3158                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3159
3160                         rval = 1;
3161                         break;
3162                 } else {
3163                         /*
3164                          * unrecoverable / not handled error
3165                          */
3166                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3167                             "loop_id=%x jiffies=%lx.\n",
3168                             __func__, vha->host_no, mb[0],
3169                             fcport->d_id.b.domain, fcport->d_id.b.area,
3170                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3171
3172                         *next_loopid = fcport->loop_id;
3173                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3174                             fcport->d_id.b.domain, fcport->d_id.b.area,
3175                             fcport->d_id.b.al_pa);
3176                         fcport->loop_id = FC_NO_LOOP_ID;
3177                         fcport->login_retry = 0;
3178
3179                         rval = 3;
3180                         break;
3181                 }
3182         }
3183
3184         return (rval);
3185 }
3186
3187 /*
3188  * qla2x00_local_device_login
3189  *      Issue local device login command.
3190  *
3191  * Input:
3192  *      ha = adapter block pointer.
3193  *      loop_id = loop id of device to login to.
3194  *
3195  * Returns (Where's the #define!!!!):
3196  *      0 - Login successfully
3197  *      1 - Login failed
3198  *      3 - Fatal error
3199  */
3200 int
3201 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3202 {
3203         int             rval;
3204         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3205
3206         memset(mb, 0, sizeof(mb));
3207         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3208         if (rval == QLA_SUCCESS) {
3209                 /* Interrogate mailbox registers for any errors */
3210                 if (mb[0] == MBS_COMMAND_ERROR)
3211                         rval = 1;
3212                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3213                         /* device not in PCB table */
3214                         rval = 3;
3215         }
3216
3217         return (rval);
3218 }
3219
3220 /*
3221  *  qla2x00_loop_resync
3222  *      Resync with fibre channel devices.
3223  *
3224  * Input:
3225  *      ha = adapter block pointer.
3226  *
3227  * Returns:
3228  *      0 = success
3229  */
3230 int
3231 qla2x00_loop_resync(scsi_qla_host_t *vha)
3232 {
3233         int rval = QLA_SUCCESS;
3234         uint32_t wait_time;
3235         struct qla_hw_data *ha = vha->hw;
3236         struct req_que *req = ha->req_q_map[vha->req_ques[0]];
3237         struct rsp_que *rsp = req->rsp;
3238
3239         atomic_set(&vha->loop_state, LOOP_UPDATE);
3240         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3241         if (vha->flags.online) {
3242                 if (!(rval = qla2x00_fw_ready(vha))) {
3243                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3244                         wait_time = 256;
3245                         do {
3246                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3247
3248                                 /* Issue a marker after FW becomes ready. */
3249                                 qla2x00_marker(vha, req, rsp, 0, 0,
3250                                         MK_SYNC_ALL);
3251                                 vha->marker_needed = 0;
3252
3253                                 /* Remap devices on Loop. */
3254                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3255
3256                                 qla2x00_configure_loop(vha);
3257                                 wait_time--;
3258                         } while (!atomic_read(&vha->loop_down_timer) &&
3259                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3260                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3261                                 &vha->dpc_flags)));
3262                 }
3263         }
3264
3265         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3266                 return (QLA_FUNCTION_FAILED);
3267
3268         if (rval)
3269                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3270
3271         return (rval);
3272 }
3273
3274 void
3275 qla2x00_update_fcports(scsi_qla_host_t *vha)
3276 {
3277         fc_port_t *fcport;
3278
3279         /* Go with deferred removal of rport references. */
3280         list_for_each_entry(fcport, &vha->vp_fcports, list)
3281                 if (fcport && fcport->drport &&
3282                     atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3283                         qla2x00_rport_del(fcport);
3284 }
3285
3286 /*
3287 *  qla2x00_abort_isp
3288 *      Resets ISP and aborts all outstanding commands.
3289 *
3290 * Input:
3291 *      ha           = adapter block pointer.
3292 *
3293 * Returns:
3294 *      0 = success
3295 */
3296 int
3297 qla2x00_abort_isp(scsi_qla_host_t *vha)
3298 {
3299         int rval;
3300         uint8_t        status = 0;
3301         struct qla_hw_data *ha = vha->hw;
3302         struct scsi_qla_host *vp;
3303         struct scsi_qla_host *tvp;
3304         struct req_que *req = ha->req_q_map[0];
3305
3306         if (vha->flags.online) {
3307                 vha->flags.online = 0;
3308                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3309                 ha->qla_stats.total_isp_aborts++;
3310
3311                 qla_printk(KERN_INFO, ha,
3312                     "Performing ISP error recovery - ha= %p.\n", ha);
3313                 ha->isp_ops->reset_chip(vha);
3314
3315                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3316                 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3317                         atomic_set(&vha->loop_state, LOOP_DOWN);
3318                         qla2x00_mark_all_devices_lost(vha, 0);
3319                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
3320                                qla2x00_mark_all_devices_lost(vp, 0);
3321                 } else {
3322                         if (!atomic_read(&vha->loop_down_timer))
3323                                 atomic_set(&vha->loop_down_timer,
3324                                     LOOP_DOWN_TIME);
3325                 }
3326
3327                 /* Requeue all commands in outstanding command list. */
3328                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3329
3330                 ha->isp_ops->get_flash_version(vha, req->ring);
3331
3332                 ha->isp_ops->nvram_config(vha);
3333
3334                 if (!qla2x00_restart_isp(vha)) {
3335                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3336
3337                         if (!atomic_read(&vha->loop_down_timer)) {
3338                                 /*
3339                                  * Issue marker command only when we are going
3340                                  * to start the I/O .
3341                                  */
3342                                 vha->marker_needed = 1;
3343                         }
3344
3345                         vha->flags.online = 1;
3346
3347                         ha->isp_ops->enable_intrs(ha);
3348
3349                         ha->isp_abort_cnt = 0;
3350                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3351
3352                         if (ha->fce) {
3353                                 ha->flags.fce_enabled = 1;
3354                                 memset(ha->fce, 0,
3355                                     fce_calc_size(ha->fce_bufs));
3356                                 rval = qla2x00_enable_fce_trace(vha,
3357                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3358                                     &ha->fce_bufs);
3359                                 if (rval) {
3360                                         qla_printk(KERN_WARNING, ha,
3361                                             "Unable to reinitialize FCE "
3362                                             "(%d).\n", rval);
3363                                         ha->flags.fce_enabled = 0;
3364                                 }
3365                         }
3366
3367                         if (ha->eft) {
3368                                 memset(ha->eft, 0, EFT_SIZE);
3369                                 rval = qla2x00_enable_eft_trace(vha,
3370                                     ha->eft_dma, EFT_NUM_BUFFERS);
3371                                 if (rval) {
3372                                         qla_printk(KERN_WARNING, ha,
3373                                             "Unable to reinitialize EFT "
3374                                             "(%d).\n", rval);
3375                                 }
3376                         }
3377                 } else {        /* failed the ISP abort */
3378                         vha->flags.online = 1;
3379                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3380                                 if (ha->isp_abort_cnt == 0) {
3381                                         qla_printk(KERN_WARNING, ha,
3382                                             "ISP error recovery failed - "
3383                                             "board disabled\n");
3384                                         /*
3385                                          * The next call disables the board
3386                                          * completely.
3387                                          */
3388                                         ha->isp_ops->reset_adapter(vha);
3389                                         vha->flags.online = 0;
3390                                         clear_bit(ISP_ABORT_RETRY,
3391                                             &vha->dpc_flags);
3392                                         status = 0;
3393                                 } else { /* schedule another ISP abort */
3394                                         ha->isp_abort_cnt--;
3395                                         DEBUG(printk("qla%ld: ISP abort - "
3396                                             "retry remaining %d\n",
3397                                             vha->host_no, ha->isp_abort_cnt));
3398                                         status = 1;
3399                                 }
3400                         } else {
3401                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3402                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3403                                     "- retrying (%d) more times\n",
3404                                     vha->host_no, ha->isp_abort_cnt));
3405                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3406                                 status = 1;
3407                         }
3408                 }
3409
3410         }
3411
3412         if (!status) {
3413                 DEBUG(printk(KERN_INFO
3414                                 "qla2x00_abort_isp(%ld): succeeded.\n",
3415                                 vha->host_no));
3416                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3417                         if (vp->vp_idx)
3418                                 qla2x00_vp_abort_isp(vp);
3419                 }
3420         } else {
3421                 qla_printk(KERN_INFO, ha,
3422                         "qla2x00_abort_isp: **** FAILED ****\n");
3423         }
3424
3425         return(status);
3426 }
3427
3428 /*
3429 *  qla2x00_restart_isp
3430 *      restarts the ISP after a reset
3431 *
3432 * Input:
3433 *      ha = adapter block pointer.
3434 *
3435 * Returns:
3436 *      0 = success
3437 */
3438 static int
3439 qla2x00_restart_isp(scsi_qla_host_t *vha)
3440 {
3441         int status = 0;
3442         uint32_t wait_time;
3443         struct qla_hw_data *ha = vha->hw;
3444         struct req_que *req = ha->req_q_map[0];
3445         struct rsp_que *rsp = ha->rsp_q_map[0];
3446
3447         /* If firmware needs to be loaded */
3448         if (qla2x00_isp_firmware(vha)) {
3449                 vha->flags.online = 0;
3450                 status = ha->isp_ops->chip_diag(vha);
3451                 if (!status)
3452                         status = qla2x00_setup_chip(vha);
3453         }
3454
3455         if (!status && !(status = qla2x00_init_rings(vha))) {
3456                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3457                 /* Initialize the queues in use */
3458                 qla25xx_init_queues(ha);
3459
3460                 status = qla2x00_fw_ready(vha);
3461                 if (!status) {
3462                         DEBUG(printk("%s(): Start configure loop, "
3463                             "status = %d\n", __func__, status));
3464
3465                         /* Issue a marker after FW becomes ready. */
3466                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3467
3468                         vha->flags.online = 1;
3469                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3470                         wait_time = 256;
3471                         do {
3472                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3473                                 qla2x00_configure_loop(vha);
3474                                 wait_time--;
3475                         } while (!atomic_read(&vha->loop_down_timer) &&
3476                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3477                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3478                                 &vha->dpc_flags)));
3479                 }
3480
3481                 /* if no cable then assume it's good */
3482                 if ((vha->device_flags & DFLG_NO_CABLE))
3483                         status = 0;
3484
3485                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3486                                 __func__,
3487                                 status));
3488         }
3489         return (status);
3490 }
3491
3492 static int
3493 qla25xx_init_queues(struct qla_hw_data *ha)
3494 {
3495         struct rsp_que *rsp = NULL;
3496         struct req_que *req = NULL;
3497         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3498         int ret = -1;
3499         int i;
3500
3501         for (i = 1; i < ha->max_queues; i++) {
3502                 rsp = ha->rsp_q_map[i];
3503                 if (rsp) {
3504                         rsp->options &= ~BIT_0;
3505                         ret = qla25xx_init_rsp_que(base_vha, rsp);
3506                         if (ret != QLA_SUCCESS)
3507                                 DEBUG2_17(printk(KERN_WARNING
3508                                         "%s Rsp que:%d init failed\n", __func__,
3509                                                 rsp->id));
3510                         else
3511                                 DEBUG2_17(printk(KERN_INFO
3512                                         "%s Rsp que:%d inited\n", __func__,
3513                                                 rsp->id));
3514                 }
3515                 req = ha->req_q_map[i];
3516                 if (req) {
3517                 /* Clear outstanding commands array. */
3518                         req->options &= ~BIT_0;
3519                         ret = qla25xx_init_req_que(base_vha, req);
3520                         if (ret != QLA_SUCCESS)
3521                                 DEBUG2_17(printk(KERN_WARNING
3522                                         "%s Req que:%d init failed\n", __func__,
3523                                                 req->id));
3524                         else
3525                                 DEBUG2_17(printk(KERN_WARNING
3526                                         "%s Req que:%d inited\n", __func__,
3527                                                 req->id));
3528                 }
3529         }
3530         return ret;
3531 }
3532
3533 /*
3534 * qla2x00_reset_adapter
3535 *      Reset adapter.
3536 *
3537 * Input:
3538 *      ha = adapter block pointer.
3539 */
3540 void
3541 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3542 {
3543         unsigned long flags = 0;
3544         struct qla_hw_data *ha = vha->hw;
3545         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3546
3547         vha->flags.online = 0;
3548         ha->isp_ops->disable_intrs(ha);
3549
3550         spin_lock_irqsave(&ha->hardware_lock, flags);
3551         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3552         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3553         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3554         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3555         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3556 }
3557
3558 void
3559 qla24xx_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_24xx __iomem *reg = &ha->iobase->isp24;
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_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3570         RD_REG_DWORD(&reg->hccr);
3571         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3572         RD_REG_DWORD(&reg->hccr);
3573         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3574
3575         if (IS_NOPOLLING_TYPE(ha))
3576                 ha->isp_ops->enable_intrs(ha);
3577 }
3578
3579 /* On sparc systems, obtain port and node WWN from firmware
3580  * properties.
3581  */
3582 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3583         struct nvram_24xx *nv)
3584 {
3585 #ifdef CONFIG_SPARC
3586         struct qla_hw_data *ha = vha->hw;
3587         struct pci_dev *pdev = ha->pdev;
3588         struct device_node *dp = pci_device_to_OF_node(pdev);
3589         const u8 *val;
3590         int len;
3591
3592         val = of_get_property(dp, "port-wwn", &len);
3593         if (val && len >= WWN_SIZE)
3594                 memcpy(nv->port_name, val, WWN_SIZE);
3595
3596         val = of_get_property(dp, "node-wwn", &len);
3597         if (val && len >= WWN_SIZE)
3598                 memcpy(nv->node_name, val, WWN_SIZE);
3599 #endif
3600 }
3601
3602 int
3603 qla24xx_nvram_config(scsi_qla_host_t *vha)
3604 {
3605         int   rval;
3606         struct init_cb_24xx *icb;
3607         struct nvram_24xx *nv;
3608         uint32_t *dptr;
3609         uint8_t  *dptr1, *dptr2;
3610         uint32_t chksum;
3611         uint16_t cnt;
3612         struct qla_hw_data *ha = vha->hw;
3613
3614         rval = QLA_SUCCESS;
3615         icb = (struct init_cb_24xx *)ha->init_cb;
3616         nv = ha->nvram;
3617
3618         /* Determine NVRAM starting address. */
3619         ha->nvram_size = sizeof(struct nvram_24xx);
3620         ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3621         ha->vpd_size = FA_NVRAM_VPD_SIZE;
3622         ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3623         if (PCI_FUNC(ha->pdev->devfn)) {
3624                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3625                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3626         }
3627
3628         /* Get VPD data into cache */
3629         ha->vpd = ha->nvram + VPD_OFFSET;
3630         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3631             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3632
3633         /* Get NVRAM data into cache and calculate checksum. */
3634         dptr = (uint32_t *)nv;
3635         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3636             ha->nvram_size);
3637         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3638                 chksum += le32_to_cpu(*dptr++);
3639
3640         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3641         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3642
3643         /* Bad NVRAM data, set defaults parameters. */
3644         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3645             || nv->id[3] != ' ' ||
3646             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3647                 /* Reset NVRAM data. */
3648                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3649                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3650                     le16_to_cpu(nv->nvram_version));
3651                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3652                     "invalid -- WWPN) defaults.\n");
3653
3654                 /*
3655                  * Set default initialization control block.
3656                  */
3657                 memset(nv, 0, ha->nvram_size);
3658                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3659                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3660                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3661                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3662                 nv->exchange_count = __constant_cpu_to_le16(0);
3663                 nv->hard_address = __constant_cpu_to_le16(124);
3664                 nv->port_name[0] = 0x21;
3665                 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3666                 nv->port_name[2] = 0x00;
3667                 nv->port_name[3] = 0xe0;
3668                 nv->port_name[4] = 0x8b;
3669                 nv->port_name[5] = 0x1c;
3670                 nv->port_name[6] = 0x55;
3671                 nv->port_name[7] = 0x86;
3672                 nv->node_name[0] = 0x20;
3673                 nv->node_name[1] = 0x00;
3674                 nv->node_name[2] = 0x00;
3675                 nv->node_name[3] = 0xe0;
3676                 nv->node_name[4] = 0x8b;
3677                 nv->node_name[5] = 0x1c;
3678                 nv->node_name[6] = 0x55;
3679                 nv->node_name[7] = 0x86;
3680                 qla24xx_nvram_wwn_from_ofw(vha, nv);
3681                 nv->login_retry_count = __constant_cpu_to_le16(8);
3682                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3683                 nv->login_timeout = __constant_cpu_to_le16(0);
3684                 nv->firmware_options_1 =
3685                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3686                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3687                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3688                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3689                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3690                 nv->efi_parameters = __constant_cpu_to_le32(0);
3691                 nv->reset_delay = 5;
3692                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3693                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3694                 nv->link_down_timeout = __constant_cpu_to_le16(30);
3695
3696                 rval = 1;
3697         }
3698
3699         /* Reset Initialization control block */
3700         memset(icb, 0, ha->init_cb_size);
3701
3702         /* Copy 1st segment. */
3703         dptr1 = (uint8_t *)icb;
3704         dptr2 = (uint8_t *)&nv->version;
3705         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3706         while (cnt--)
3707                 *dptr1++ = *dptr2++;
3708
3709         icb->login_retry_count = nv->login_retry_count;
3710         icb->link_down_on_nos = nv->link_down_on_nos;
3711
3712         /* Copy 2nd segment. */
3713         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3714         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3715         cnt = (uint8_t *)&icb->reserved_3 -
3716             (uint8_t *)&icb->interrupt_delay_timer;
3717         while (cnt--)
3718                 *dptr1++ = *dptr2++;
3719
3720         /*
3721          * Setup driver NVRAM options.
3722          */
3723         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
3724             "QLA2462");
3725
3726         /* Use alternate WWN? */
3727         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3728                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3729                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3730         }
3731
3732         /* Prepare nodename */
3733         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3734                 /*
3735                  * Firmware will apply the following mask if the nodename was
3736                  * not provided.
3737                  */
3738                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3739                 icb->node_name[0] &= 0xF0;
3740         }
3741
3742         /* Set host adapter parameters. */
3743         ha->flags.disable_risc_code_load = 0;
3744         ha->flags.enable_lip_reset = 0;
3745         ha->flags.enable_lip_full_login =
3746             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3747         ha->flags.enable_target_reset =
3748             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3749         ha->flags.enable_led_scheme = 0;
3750         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3751
3752         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3753             (BIT_6 | BIT_5 | BIT_4)) >> 4;
3754
3755         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3756             sizeof(ha->fw_seriallink_options24));
3757
3758         /* save HBA serial number */
3759         ha->serial0 = icb->port_name[5];
3760         ha->serial1 = icb->port_name[6];
3761         ha->serial2 = icb->port_name[7];
3762         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3763         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
3764
3765         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3766
3767         ha->retry_count = le16_to_cpu(nv->login_retry_count);
3768
3769         /* Set minimum login_timeout to 4 seconds. */
3770         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3771                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3772         if (le16_to_cpu(nv->login_timeout) < 4)
3773                 nv->login_timeout = __constant_cpu_to_le16(4);
3774         ha->login_timeout = le16_to_cpu(nv->login_timeout);
3775         icb->login_timeout = nv->login_timeout;
3776
3777         /* Set minimum RATOV to 100 tenths of a second. */
3778         ha->r_a_tov = 100;
3779
3780         ha->loop_reset_delay = nv->reset_delay;
3781
3782         /* Link Down Timeout = 0:
3783          *
3784          *      When Port Down timer expires we will start returning
3785          *      I/O's to OS with "DID_NO_CONNECT".
3786          *
3787          * Link Down Timeout != 0:
3788          *
3789          *       The driver waits for the link to come up after link down
3790          *       before returning I/Os to OS with "DID_NO_CONNECT".
3791          */
3792         if (le16_to_cpu(nv->link_down_timeout) == 0) {
3793                 ha->loop_down_abort_time =
3794                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3795         } else {
3796                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3797                 ha->loop_down_abort_time =
3798                     (LOOP_DOWN_TIME - ha->link_down_timeout);
3799         }
3800
3801         /* Need enough time to try and get the port back. */
3802         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3803         if (qlport_down_retry)
3804                 ha->port_down_retry_count = qlport_down_retry;
3805
3806         /* Set login_retry_count */
3807         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
3808         if (ha->port_down_retry_count ==
3809             le16_to_cpu(nv->port_down_retry_count) &&
3810             ha->port_down_retry_count > 3)
3811                 ha->login_retry_count = ha->port_down_retry_count;
3812         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3813                 ha->login_retry_count = ha->port_down_retry_count;
3814         if (ql2xloginretrycount)
3815                 ha->login_retry_count = ql2xloginretrycount;
3816
3817         /* Enable ZIO. */
3818         if (!vha->flags.init_done) {
3819                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3820                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3821                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3822                     le16_to_cpu(icb->interrupt_delay_timer): 2;
3823         }
3824         icb->firmware_options_2 &= __constant_cpu_to_le32(
3825             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3826         vha->flags.process_response_queue = 0;
3827         if (ha->zio_mode != QLA_ZIO_DISABLED) {
3828                 ha->zio_mode = QLA_ZIO_MODE_6;
3829
3830                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3831                     "(%d us).\n", vha->host_no, ha->zio_mode,
3832                     ha->zio_timer * 100));
3833                 qla_printk(KERN_INFO, ha,
3834                     "ZIO mode %d enabled; timer delay (%d us).\n",
3835                     ha->zio_mode, ha->zio_timer * 100);
3836
3837                 icb->firmware_options_2 |= cpu_to_le32(
3838                     (uint32_t)ha->zio_mode);
3839                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3840                 vha->flags.process_response_queue = 1;
3841         }
3842
3843         if (rval) {
3844                 DEBUG2_3(printk(KERN_WARNING
3845                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
3846         }
3847         return (rval);
3848 }
3849
3850 static int
3851 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3852 {
3853         int     rval = QLA_SUCCESS;
3854         int     segments, fragment;
3855         uint32_t faddr;
3856         uint32_t *dcode, dlen;
3857         uint32_t risc_addr;
3858         uint32_t risc_size;
3859         uint32_t i;
3860         struct qla_hw_data *ha = vha->hw;
3861         struct req_que *req = ha->req_q_map[0];
3862
3863         qla_printk(KERN_INFO, ha,
3864             "FW: Loading from flash (%x)...\n", ha->flt_region_fw);
3865
3866         rval = QLA_SUCCESS;
3867
3868         segments = FA_RISC_CODE_SEGMENTS;
3869         faddr = ha->flt_region_fw;
3870         dcode = (uint32_t *)req->ring;
3871         *srisc_addr = 0;
3872
3873         /* Validate firmware image by checking version. */
3874         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
3875         for (i = 0; i < 4; i++)
3876                 dcode[i] = be32_to_cpu(dcode[i]);
3877         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3878             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3879             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3880                 dcode[3] == 0)) {
3881                 qla_printk(KERN_WARNING, ha,
3882                     "Unable to verify integrity of flash firmware image!\n");
3883                 qla_printk(KERN_WARNING, ha,
3884                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3885                     dcode[1], dcode[2], dcode[3]);
3886
3887                 return QLA_FUNCTION_FAILED;
3888         }
3889
3890         while (segments && rval == QLA_SUCCESS) {
3891                 /* Read segment's load information. */
3892                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
3893
3894                 risc_addr = be32_to_cpu(dcode[2]);
3895                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3896                 risc_size = be32_to_cpu(dcode[3]);
3897
3898                 fragment = 0;
3899                 while (risc_size > 0 && rval == QLA_SUCCESS) {
3900                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3901                         if (dlen > risc_size)
3902                                 dlen = risc_size;
3903
3904                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3905                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3906                             vha->host_no, risc_addr, dlen, faddr));
3907
3908                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
3909                         for (i = 0; i < dlen; i++)
3910                                 dcode[i] = swab32(dcode[i]);
3911
3912                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
3913                             dlen);
3914                         if (rval) {
3915                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3916                                     "segment %d of firmware\n", vha->host_no,
3917                                     fragment));
3918                                 qla_printk(KERN_WARNING, ha,
3919                                     "[ERROR] Failed to load segment %d of "
3920                                     "firmware\n", fragment);
3921                                 break;
3922                         }
3923
3924                         faddr += dlen;
3925                         risc_addr += dlen;
3926                         risc_size -= dlen;
3927                         fragment++;
3928                 }
3929
3930                 /* Next segment. */
3931                 segments--;
3932         }
3933
3934         return rval;
3935 }
3936
3937 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3938
3939 int
3940 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3941 {
3942         int     rval;
3943         int     i, fragment;
3944         uint16_t *wcode, *fwcode;
3945         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3946         struct fw_blob *blob;
3947         struct qla_hw_data *ha = vha->hw;
3948         struct req_que *req = ha->req_q_map[0];
3949
3950         /* Load firmware blob. */
3951         blob = qla2x00_request_firmware(vha);
3952         if (!blob) {
3953                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3954                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3955                     "from: " QLA_FW_URL ".\n");
3956                 return QLA_FUNCTION_FAILED;
3957         }
3958
3959         rval = QLA_SUCCESS;
3960
3961         wcode = (uint16_t *)req->ring;
3962         *srisc_addr = 0;
3963         fwcode = (uint16_t *)blob->fw->data;
3964         fwclen = 0;
3965
3966         /* Validate firmware image by checking version. */
3967         if (blob->fw->size < 8 * sizeof(uint16_t)) {
3968                 qla_printk(KERN_WARNING, ha,
3969                     "Unable to verify integrity of firmware image (%Zd)!\n",
3970                     blob->fw->size);
3971                 goto fail_fw_integrity;
3972         }
3973         for (i = 0; i < 4; i++)
3974                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3975         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3976             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3977                 wcode[2] == 0 && wcode[3] == 0)) {
3978                 qla_printk(KERN_WARNING, ha,
3979                     "Unable to verify integrity of firmware image!\n");
3980                 qla_printk(KERN_WARNING, ha,
3981                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3982                     wcode[1], wcode[2], wcode[3]);
3983                 goto fail_fw_integrity;
3984         }
3985
3986         seg = blob->segs;
3987         while (*seg && rval == QLA_SUCCESS) {
3988                 risc_addr = *seg;
3989                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3990                 risc_size = be16_to_cpu(fwcode[3]);
3991
3992                 /* Validate firmware image size. */
3993                 fwclen += risc_size * sizeof(uint16_t);
3994                 if (blob->fw->size < fwclen) {
3995                         qla_printk(KERN_WARNING, ha,
3996                             "Unable to verify integrity of firmware image "
3997                             "(%Zd)!\n", blob->fw->size);
3998                         goto fail_fw_integrity;
3999                 }
4000
4001                 fragment = 0;
4002                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4003                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4004                         if (wlen > risc_size)
4005                                 wlen = risc_size;
4006
4007                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4008                             "addr %x, number of words 0x%x.\n", vha->host_no,
4009                             risc_addr, wlen));
4010
4011                         for (i = 0; i < wlen; i++)
4012                                 wcode[i] = swab16(fwcode[i]);
4013
4014                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4015                             wlen);
4016                         if (rval) {
4017                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4018                                     "segment %d of firmware\n", vha->host_no,
4019                                     fragment));
4020                                 qla_printk(KERN_WARNING, ha,
4021                                     "[ERROR] Failed to load segment %d of "
4022                                     "firmware\n", fragment);
4023                                 break;
4024                         }
4025
4026                         fwcode += wlen;
4027                         risc_addr += wlen;
4028                         risc_size -= wlen;
4029                         fragment++;
4030                 }
4031
4032                 /* Next segment. */
4033                 seg++;
4034         }
4035         return rval;
4036
4037 fail_fw_integrity:
4038         return QLA_FUNCTION_FAILED;
4039 }
4040
4041 static int
4042 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4043 {
4044         int     rval;
4045         int     segments, fragment;
4046         uint32_t *dcode, dlen;
4047         uint32_t risc_addr;
4048         uint32_t risc_size;
4049         uint32_t i;
4050         struct fw_blob *blob;
4051         uint32_t *fwcode, fwclen;
4052         struct qla_hw_data *ha = vha->hw;
4053         struct req_que *req = ha->req_q_map[0];
4054
4055         /* Load firmware blob. */
4056         blob = qla2x00_request_firmware(vha);
4057         if (!blob) {
4058                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4059                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4060                     "from: " QLA_FW_URL ".\n");
4061
4062                 return QLA_FUNCTION_FAILED;
4063         }
4064
4065         qla_printk(KERN_INFO, ha,
4066             "FW: Loading via request-firmware...\n");
4067
4068         rval = QLA_SUCCESS;
4069
4070         segments = FA_RISC_CODE_SEGMENTS;
4071         dcode = (uint32_t *)req->ring;
4072         *srisc_addr = 0;
4073         fwcode = (uint32_t *)blob->fw->data;
4074         fwclen = 0;
4075
4076         /* Validate firmware image by checking version. */
4077         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4078                 qla_printk(KERN_WARNING, ha,
4079                     "Unable to verify integrity of firmware image (%Zd)!\n",
4080                     blob->fw->size);
4081                 goto fail_fw_integrity;
4082         }
4083         for (i = 0; i < 4; i++)
4084                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4085         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4086             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4087             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4088                 dcode[3] == 0)) {
4089                 qla_printk(KERN_WARNING, ha,
4090                     "Unable to verify integrity of firmware image!\n");
4091                 qla_printk(KERN_WARNING, ha,
4092                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4093                     dcode[1], dcode[2], dcode[3]);
4094                 goto fail_fw_integrity;
4095         }
4096
4097         while (segments && rval == QLA_SUCCESS) {
4098                 risc_addr = be32_to_cpu(fwcode[2]);
4099                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4100                 risc_size = be32_to_cpu(fwcode[3]);
4101
4102                 /* Validate firmware image size. */
4103                 fwclen += risc_size * sizeof(uint32_t);
4104                 if (blob->fw->size < fwclen) {
4105                         qla_printk(KERN_WARNING, ha,
4106                             "Unable to verify integrity of firmware image "
4107                             "(%Zd)!\n", blob->fw->size);
4108
4109                         goto fail_fw_integrity;
4110                 }
4111
4112                 fragment = 0;
4113                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4114                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4115                         if (dlen > risc_size)
4116                                 dlen = risc_size;
4117
4118                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4119                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4120                             risc_addr, dlen));
4121
4122                         for (i = 0; i < dlen; i++)
4123                                 dcode[i] = swab32(fwcode[i]);
4124
4125                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4126                             dlen);
4127                         if (rval) {
4128                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4129                                     "segment %d of firmware\n", vha->host_no,
4130                                     fragment));
4131                                 qla_printk(KERN_WARNING, ha,
4132                                     "[ERROR] Failed to load segment %d of "
4133                                     "firmware\n", fragment);
4134                                 break;
4135                         }
4136
4137                         fwcode += dlen;
4138                         risc_addr += dlen;
4139                         risc_size -= dlen;
4140                         fragment++;
4141                 }
4142
4143                 /* Next segment. */
4144                 segments--;
4145         }
4146         return rval;
4147
4148 fail_fw_integrity:
4149         return QLA_FUNCTION_FAILED;
4150 }
4151
4152 int
4153 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4154 {
4155         int rval;
4156
4157         /*
4158          * FW Load priority:
4159          * 1) Firmware via request-firmware interface (.bin file).
4160          * 2) Firmware residing in flash.
4161          */
4162         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4163         if (rval == QLA_SUCCESS)
4164                 return rval;
4165
4166         return qla24xx_load_risc_flash(vha, srisc_addr);
4167 }
4168
4169 int
4170 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4171 {
4172         int rval;
4173
4174         /*
4175          * FW Load priority:
4176          * 1) Firmware residing in flash.
4177          * 2) Firmware via request-firmware interface (.bin file).
4178          */
4179         rval = qla24xx_load_risc_flash(vha, srisc_addr);
4180         if (rval == QLA_SUCCESS)
4181                 return rval;
4182
4183         return qla24xx_load_risc_blob(vha, srisc_addr);
4184 }
4185
4186 void
4187 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4188 {
4189         int ret, retries;
4190         struct qla_hw_data *ha = vha->hw;
4191
4192         if (!IS_FWI2_CAPABLE(ha))
4193                 return;
4194         if (!ha->fw_major_version)
4195                 return;
4196
4197         ret = qla2x00_stop_firmware(vha);
4198         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4199             retries ; retries--) {
4200                 ha->isp_ops->reset_chip(vha);
4201                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4202                         continue;
4203                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4204                         continue;
4205                 qla_printk(KERN_INFO, ha,
4206                     "Attempting retry of stop-firmware command...\n");
4207                 ret = qla2x00_stop_firmware(vha);
4208         }
4209 }
4210
4211 int
4212 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4213 {
4214         int rval = QLA_SUCCESS;
4215         uint16_t mb[MAILBOX_REGISTER_COUNT];
4216         struct qla_hw_data *ha = vha->hw;
4217         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4218         struct req_que *req = ha->req_q_map[vha->req_ques[0]];
4219         struct rsp_que *rsp = req->rsp;
4220
4221         if (!vha->vp_idx)
4222                 return -EINVAL;
4223
4224         rval = qla2x00_fw_ready(base_vha);
4225         if (rval == QLA_SUCCESS) {
4226                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4227                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4228         }
4229
4230         vha->flags.management_server_logged_in = 0;
4231
4232         /* Login to SNS first */
4233         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4234         if (mb[0] != MBS_COMMAND_COMPLETE) {
4235                 DEBUG15(qla_printk(KERN_INFO, ha,
4236                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4237                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4238                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4239                 return (QLA_FUNCTION_FAILED);
4240         }
4241
4242         atomic_set(&vha->loop_down_timer, 0);
4243         atomic_set(&vha->loop_state, LOOP_UP);
4244         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4245         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4246         rval = qla2x00_loop_resync(base_vha);
4247
4248         return rval;
4249 }
4250
4251 /* 84XX Support **************************************************************/
4252
4253 static LIST_HEAD(qla_cs84xx_list);
4254 static DEFINE_MUTEX(qla_cs84xx_mutex);
4255
4256 static struct qla_chip_state_84xx *
4257 qla84xx_get_chip(struct scsi_qla_host *vha)
4258 {
4259         struct qla_chip_state_84xx *cs84xx;
4260         struct qla_hw_data *ha = vha->hw;
4261
4262         mutex_lock(&qla_cs84xx_mutex);
4263
4264         /* Find any shared 84xx chip. */
4265         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4266                 if (cs84xx->bus == ha->pdev->bus) {
4267                         kref_get(&cs84xx->kref);
4268                         goto done;
4269                 }
4270         }
4271
4272         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4273         if (!cs84xx)
4274                 goto done;
4275
4276         kref_init(&cs84xx->kref);
4277         spin_lock_init(&cs84xx->access_lock);
4278         mutex_init(&cs84xx->fw_update_mutex);
4279         cs84xx->bus = ha->pdev->bus;
4280
4281         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4282 done:
4283         mutex_unlock(&qla_cs84xx_mutex);
4284         return cs84xx;
4285 }
4286
4287 static void
4288 __qla84xx_chip_release(struct kref *kref)
4289 {
4290         struct qla_chip_state_84xx *cs84xx =
4291             container_of(kref, struct qla_chip_state_84xx, kref);
4292
4293         mutex_lock(&qla_cs84xx_mutex);
4294         list_del(&cs84xx->list);
4295         mutex_unlock(&qla_cs84xx_mutex);
4296         kfree(cs84xx);
4297 }
4298
4299 void
4300 qla84xx_put_chip(struct scsi_qla_host *vha)
4301 {
4302         struct qla_hw_data *ha = vha->hw;
4303         if (ha->cs84xx)
4304                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4305 }
4306
4307 static int
4308 qla84xx_init_chip(scsi_qla_host_t *vha)
4309 {
4310         int rval;
4311         uint16_t status[2];
4312         struct qla_hw_data *ha = vha->hw;
4313
4314         mutex_lock(&ha->cs84xx->fw_update_mutex);
4315
4316         rval = qla84xx_verify_chip(vha, status);
4317
4318         mutex_unlock(&ha->cs84xx->fw_update_mutex);
4319
4320         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4321             QLA_SUCCESS;
4322 }
4323
4324 /* 81XX Support **************************************************************/
4325
4326 int
4327 qla81xx_nvram_config(scsi_qla_host_t *vha)
4328 {
4329         int   rval;
4330         struct init_cb_81xx *icb;
4331         struct nvram_81xx *nv;
4332         uint32_t *dptr;
4333         uint8_t  *dptr1, *dptr2;
4334         uint32_t chksum;
4335         uint16_t cnt;
4336         struct qla_hw_data *ha = vha->hw;
4337
4338         rval = QLA_SUCCESS;
4339         icb = (struct init_cb_81xx *)ha->init_cb;
4340         nv = ha->nvram;
4341
4342         /* Determine NVRAM starting address. */
4343         ha->nvram_size = sizeof(struct nvram_81xx);
4344         ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4345         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4346         ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4347         if (PCI_FUNC(ha->pdev->devfn) & 1) {
4348                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4349                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4350         }
4351
4352         /* Get VPD data into cache */
4353         ha->vpd = ha->nvram + VPD_OFFSET;
4354         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4355             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4356
4357         /* Get NVRAM data into cache and calculate checksum. */
4358         dptr = (uint32_t *)nv;
4359         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4360             ha->nvram_size);
4361         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4362                 chksum += le32_to_cpu(*dptr++);
4363
4364         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
4365         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4366
4367         /* Bad NVRAM data, set defaults parameters. */
4368         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4369             || nv->id[3] != ' ' ||
4370             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4371                 /* Reset NVRAM data. */
4372                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4373                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4374                     le16_to_cpu(nv->nvram_version));
4375                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4376                     "invalid -- WWPN) defaults.\n");
4377
4378                 /*
4379                  * Set default initialization control block.
4380                  */
4381                 memset(nv, 0, ha->nvram_size);
4382                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4383                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4384                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4385                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4386                 nv->exchange_count = __constant_cpu_to_le16(0);
4387                 nv->port_name[0] = 0x21;
4388                 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
4389                 nv->port_name[2] = 0x00;
4390                 nv->port_name[3] = 0xe0;
4391                 nv->port_name[4] = 0x8b;
4392                 nv->port_name[5] = 0x1c;
4393                 nv->port_name[6] = 0x55;
4394                 nv->port_name[7] = 0x86;
4395                 nv->node_name[0] = 0x20;
4396                 nv->node_name[1] = 0x00;
4397                 nv->node_name[2] = 0x00;
4398                 nv->node_name[3] = 0xe0;
4399                 nv->node_name[4] = 0x8b;
4400                 nv->node_name[5] = 0x1c;
4401                 nv->node_name[6] = 0x55;
4402                 nv->node_name[7] = 0x86;
4403                 nv->login_retry_count = __constant_cpu_to_le16(8);
4404                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4405                 nv->login_timeout = __constant_cpu_to_le16(0);
4406                 nv->firmware_options_1 =
4407                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4408                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4409                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4410                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4411                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4412                 nv->efi_parameters = __constant_cpu_to_le32(0);
4413                 nv->reset_delay = 5;
4414                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4415                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4416                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4417                 nv->enode_mac[0] = 0x01;
4418                 nv->enode_mac[1] = 0x02;
4419                 nv->enode_mac[2] = 0x03;
4420                 nv->enode_mac[3] = 0x04;
4421                 nv->enode_mac[4] = 0x05;
4422                 nv->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4423
4424                 rval = 1;
4425         }
4426
4427         /* Reset Initialization control block */
4428         memset(icb, 0, sizeof(struct init_cb_81xx));
4429
4430         /* Copy 1st segment. */
4431         dptr1 = (uint8_t *)icb;
4432         dptr2 = (uint8_t *)&nv->version;
4433         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4434         while (cnt--)
4435                 *dptr1++ = *dptr2++;
4436
4437         icb->login_retry_count = nv->login_retry_count;
4438
4439         /* Copy 2nd segment. */
4440         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4441         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4442         cnt = (uint8_t *)&icb->reserved_5 -
4443             (uint8_t *)&icb->interrupt_delay_timer;
4444         while (cnt--)
4445                 *dptr1++ = *dptr2++;
4446
4447         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4448         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4449         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4450                 icb->enode_mac[0] = 0x01;
4451                 icb->enode_mac[1] = 0x02;
4452                 icb->enode_mac[2] = 0x03;
4453                 icb->enode_mac[3] = 0x04;
4454                 icb->enode_mac[4] = 0x05;
4455                 icb->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4456         }
4457
4458         /*
4459          * Setup driver NVRAM options.
4460          */
4461         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4462             "QLE81XX");
4463
4464         /* Use alternate WWN? */
4465         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4466                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4467                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4468         }
4469
4470         /* Prepare nodename */
4471         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4472                 /*
4473                  * Firmware will apply the following mask if the nodename was
4474                  * not provided.
4475                  */
4476                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4477                 icb->node_name[0] &= 0xF0;
4478         }
4479
4480         /* Set host adapter parameters. */
4481         ha->flags.disable_risc_code_load = 0;
4482         ha->flags.enable_lip_reset = 0;
4483         ha->flags.enable_lip_full_login =
4484             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4485         ha->flags.enable_target_reset =
4486             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4487         ha->flags.enable_led_scheme = 0;
4488         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4489
4490         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4491             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4492
4493         /* save HBA serial number */
4494         ha->serial0 = icb->port_name[5];
4495         ha->serial1 = icb->port_name[6];
4496         ha->serial2 = icb->port_name[7];
4497         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4498         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4499
4500         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4501
4502         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4503
4504         /* Set minimum login_timeout to 4 seconds. */
4505         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4506                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4507         if (le16_to_cpu(nv->login_timeout) < 4)
4508                 nv->login_timeout = __constant_cpu_to_le16(4);
4509         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4510         icb->login_timeout = nv->login_timeout;
4511
4512         /* Set minimum RATOV to 100 tenths of a second. */
4513         ha->r_a_tov = 100;
4514
4515         ha->loop_reset_delay = nv->reset_delay;
4516
4517         /* Link Down Timeout = 0:
4518          *
4519          *      When Port Down timer expires we will start returning
4520          *      I/O's to OS with "DID_NO_CONNECT".
4521          *
4522          * Link Down Timeout != 0:
4523          *
4524          *       The driver waits for the link to come up after link down
4525          *       before returning I/Os to OS with "DID_NO_CONNECT".
4526          */
4527         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4528                 ha->loop_down_abort_time =
4529                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4530         } else {
4531                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4532                 ha->loop_down_abort_time =
4533                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4534         }
4535
4536         /* Need enough time to try and get the port back. */
4537         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4538         if (qlport_down_retry)
4539                 ha->port_down_retry_count = qlport_down_retry;
4540
4541         /* Set login_retry_count */
4542         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4543         if (ha->port_down_retry_count ==
4544             le16_to_cpu(nv->port_down_retry_count) &&
4545             ha->port_down_retry_count > 3)
4546                 ha->login_retry_count = ha->port_down_retry_count;
4547         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4548                 ha->login_retry_count = ha->port_down_retry_count;
4549         if (ql2xloginretrycount)
4550                 ha->login_retry_count = ql2xloginretrycount;
4551
4552         /* Enable ZIO. */
4553         if (!vha->flags.init_done) {
4554                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4555                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4556                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4557                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4558         }
4559         icb->firmware_options_2 &= __constant_cpu_to_le32(
4560             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4561         vha->flags.process_response_queue = 0;
4562         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4563                 ha->zio_mode = QLA_ZIO_MODE_6;
4564
4565                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4566                     "(%d us).\n", vha->host_no, ha->zio_mode,
4567                     ha->zio_timer * 100));
4568                 qla_printk(KERN_INFO, ha,
4569                     "ZIO mode %d enabled; timer delay (%d us).\n",
4570                     ha->zio_mode, ha->zio_timer * 100);
4571
4572                 icb->firmware_options_2 |= cpu_to_le32(
4573                     (uint32_t)ha->zio_mode);
4574                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4575                 vha->flags.process_response_queue = 1;
4576         }
4577
4578         if (rval) {
4579                 DEBUG2_3(printk(KERN_WARNING
4580                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4581         }
4582         return (rval);
4583 }
4584
4585 void
4586 qla81xx_update_fw_options(scsi_qla_host_t *ha)
4587 {
4588 }