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) + EFT_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
 967         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
 968                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
 969                 spin_lock_irqsave(&ha->hardware_lock, flags);
 970                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
 971                 RD_REG_WORD(&reg->hccr);
 972                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 973         }
 974
 975         /* Load firmware sequences */
 976         rval = ha->isp_ops->load_risc(vha, &srisc_address);
 977         if (rval == QLA_SUCCESS) {
 978                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
 979                     "code.\n", vha->host_no));
 980
 981                 rval = qla2x00_verify_checksum(vha, srisc_address);
 982                 if (rval == QLA_SUCCESS) {
 983                         /* Start firmware execution. */
 984                         DEBUG(printk("scsi(%ld): Checksum OK, start "
 985                             "firmware.\n", vha->host_no));
 986
 987                         rval = qla2x00_execute_fw(vha, srisc_address);
 988                         /* Retrieve firmware information. */
 989                         if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
 990                                 qla2x00_get_fw_version(vha,
 991                                     &ha->fw_major_version,
 992                                     &ha->fw_minor_version,
 993                                     &ha->fw_subminor_version,
 994                                     &ha->fw_attributes, &ha->fw_memory_size,
 995                                     ha->mpi_version, &ha->mpi_capabilities);
 996                                 ha->flags.npiv_supported = 0;
 997                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
 998                                          (ha->fw_attributes & BIT_2)) {
 999                                         ha->flags.npiv_supported = 1;
1000                                         if ((!ha->max_npiv_vports) ||
1001                                             ((ha->max_npiv_vports + 1) %
1002                                             MIN_MULTI_ID_FABRIC))
1003                                                 ha->max_npiv_vports =
1004                                                     MIN_MULTI_ID_FABRIC - 1;
1005                                 }
1006                                 qla2x00_resize_request_q(vha);
1007
1008                                 if (ql2xallocfwdump)
1009                                         qla2x00_alloc_fw_dump(vha);
1010                         }
1011                 } else {
1012                         DEBUG2(printk(KERN_INFO
1013                             "scsi(%ld): ISP Firmware failed checksum.\n",
1014                             vha->host_no));
1015                 }
1016         }
1017
1018         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1019                 /* Enable proper parity. */
1020                 spin_lock_irqsave(&ha->hardware_lock, flags);
1021                 if (IS_QLA2300(ha))
1022                         /* SRAM parity */
1023                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1024                 else
1025                         /* SRAM, Instruction RAM and GP RAM parity */
1026                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1027                 RD_REG_WORD(&reg->hccr);
1028                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1029         }
1030
1031         if (rval) {
1032                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1033                     vha->host_no));
1034         }
1035
1036         return (rval);
1037 }
1038
1039 /**
1040  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1041  * @ha: HA context
1042  *
1043  * Beginning of request ring has initialization control block already built
1044  * by nvram config routine.
1045  *
1046  * Returns 0 on success.
1047  */
1048 void
1049 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1050 {
1051         uint16_t cnt;
1052         response_t *pkt;
1053
1054         pkt = rsp->ring_ptr;
1055         for (cnt = 0; cnt < rsp->length; cnt++) {
1056                 pkt->signature = RESPONSE_PROCESSED;
1057                 pkt++;
1058         }
1059
1060 }
1061
1062 /**
1063  * qla2x00_update_fw_options() - Read and process firmware options.
1064  * @ha: HA context
1065  *
1066  * Returns 0 on success.
1067  */
1068 void
1069 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1070 {
1071         uint16_t swing, emphasis, tx_sens, rx_sens;
1072         struct qla_hw_data *ha = vha->hw;
1073
1074         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1075         qla2x00_get_fw_options(vha, ha->fw_options);
1076
1077         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1078                 return;
1079
1080         /* Serial Link options. */
1081         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1082             vha->host_no));
1083         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1084             sizeof(ha->fw_seriallink_options)));
1085
1086         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1087         if (ha->fw_seriallink_options[3] & BIT_2) {
1088                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1089
1090                 /*  1G settings */
1091                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1092                 emphasis = (ha->fw_seriallink_options[2] &
1093                     (BIT_4 | BIT_3)) >> 3;
1094                 tx_sens = ha->fw_seriallink_options[0] &
1095                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1096                 rx_sens = (ha->fw_seriallink_options[0] &
1097                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1098                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1099                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1100                         if (rx_sens == 0x0)
1101                                 rx_sens = 0x3;
1102                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1103                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1104                         ha->fw_options[10] |= BIT_5 |
1105                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1106                             (tx_sens & (BIT_1 | BIT_0));
1107
1108                 /*  2G settings */
1109                 swing = (ha->fw_seriallink_options[2] &
1110                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1111                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1112                 tx_sens = ha->fw_seriallink_options[1] &
1113                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1114                 rx_sens = (ha->fw_seriallink_options[1] &
1115                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1116                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1117                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1118                         if (rx_sens == 0x0)
1119                                 rx_sens = 0x3;
1120                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1121                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1122                         ha->fw_options[11] |= BIT_5 |
1123                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1124                             (tx_sens & (BIT_1 | BIT_0));
1125         }
1126
1127         /* FCP2 options. */
1128         /*  Return command IOCBs without waiting for an ABTS to complete. */
1129         ha->fw_options[3] |= BIT_13;
1130
1131         /* LED scheme. */
1132         if (ha->flags.enable_led_scheme)
1133                 ha->fw_options[2] |= BIT_12;
1134
1135         /* Detect ISP6312. */
1136         if (IS_QLA6312(ha))
1137                 ha->fw_options[2] |= BIT_13;
1138
1139         /* Update firmware options. */
1140         qla2x00_set_fw_options(vha, ha->fw_options);
1141 }
1142
1143 void
1144 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1145 {
1146         int rval;
1147         struct qla_hw_data *ha = vha->hw;
1148
1149         /* Update Serial Link options. */
1150         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1151                 return;
1152
1153         rval = qla2x00_set_serdes_params(vha,
1154             le16_to_cpu(ha->fw_seriallink_options24[1]),
1155             le16_to_cpu(ha->fw_seriallink_options24[2]),
1156             le16_to_cpu(ha->fw_seriallink_options24[3]));
1157         if (rval != QLA_SUCCESS) {
1158                 qla_printk(KERN_WARNING, ha,
1159                     "Unable to update Serial Link options (%x).\n", rval);
1160         }
1161 }
1162
1163 void
1164 qla2x00_config_rings(struct scsi_qla_host *vha)
1165 {
1166         struct qla_hw_data *ha = vha->hw;
1167         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1168         struct req_que *req = ha->req_q_map[0];
1169         struct rsp_que *rsp = ha->rsp_q_map[0];
1170
1171         /* Setup ring parameters in initialization control block. */
1172         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1173         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1174         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1175         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1176         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1177         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1178         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1179         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1180
1181         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1182         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1183         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1184         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1185         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1186 }
1187
1188 void
1189 qla24xx_config_rings(struct scsi_qla_host *vha)
1190 {
1191         struct qla_hw_data *ha = vha->hw;
1192         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1193         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1194         struct qla_msix_entry *msix;
1195         struct init_cb_24xx *icb;
1196         uint16_t rid = 0;
1197         struct req_que *req = ha->req_q_map[0];
1198         struct rsp_que *rsp = ha->rsp_q_map[0];
1199
1200 /* Setup ring parameters in initialization control block. */
1201         icb = (struct init_cb_24xx *)ha->init_cb;
1202         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1203         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1204         icb->request_q_length = cpu_to_le16(req->length);
1205         icb->response_q_length = cpu_to_le16(rsp->length);
1206         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1207         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1208         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1209         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1210
1211         if (ha->mqenable) {
1212                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1213                 icb->rid = __constant_cpu_to_le16(rid);
1214                 if (ha->flags.msix_enabled) {
1215                         msix = &ha->msix_entries[1];
1216                         DEBUG2_17(printk(KERN_INFO
1217                         "Reistering vector 0x%x for base que\n", msix->entry));
1218                         icb->msix = cpu_to_le16(msix->entry);
1219                 }
1220                 /* Use alternate PCI bus number */
1221                 if (MSB(rid))
1222                         icb->firmware_options_2 |=
1223                                 __constant_cpu_to_le32(BIT_19);
1224                 /* Use alternate PCI devfn */
1225                 if (LSB(rid))
1226                         icb->firmware_options_2 |=
1227                                 __constant_cpu_to_le32(BIT_18);
1228
1229                 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
1230                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1231
1232                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1233                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1234                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1235                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1236         } else {
1237                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1238                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1239                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1240                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1241         }
1242         /* PCI posting */
1243         RD_REG_DWORD(&ioreg->hccr);
1244 }
1245
1246 /**
1247  * qla2x00_init_rings() - Initializes firmware.
1248  * @ha: HA context
1249  *
1250  * Beginning of request ring has initialization control block already built
1251  * by nvram config routine.
1252  *
1253  * Returns 0 on success.
1254  */
1255 static int
1256 qla2x00_init_rings(scsi_qla_host_t *vha)
1257 {
1258         int     rval;
1259         unsigned long flags = 0;
1260         int cnt, que;
1261         struct qla_hw_data *ha = vha->hw;
1262         struct req_que *req;
1263         struct rsp_que *rsp;
1264         struct scsi_qla_host *vp;
1265         struct mid_init_cb_24xx *mid_init_cb =
1266             (struct mid_init_cb_24xx *) ha->init_cb;
1267
1268         spin_lock_irqsave(&ha->hardware_lock, flags);
1269
1270         /* Clear outstanding commands array. */
1271         for (que = 0; que < ha->max_queues; que++) {
1272                 req = ha->req_q_map[que];
1273                 if (!req)
1274                         continue;
1275                 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1276                         req->outstanding_cmds[cnt] = NULL;
1277
1278                 req->current_outstanding_cmd = 0;
1279
1280                 /* Initialize firmware. */
1281                 req->ring_ptr  = req->ring;
1282                 req->ring_index    = 0;
1283                 req->cnt      = req->length;
1284         }
1285
1286         for (que = 0; que < ha->max_queues; que++) {
1287                 rsp = ha->rsp_q_map[que];
1288                 if (!rsp)
1289                         continue;
1290                 rsp->ring_ptr = rsp->ring;
1291                 rsp->ring_index    = 0;
1292
1293                 /* Initialize response queue entries */
1294                 qla2x00_init_response_q_entries(rsp);
1295         }
1296
1297         /* Clear RSCN queue. */
1298         list_for_each_entry(vp, &ha->vp_list, list) {
1299                 vp->rscn_in_ptr = 0;
1300                 vp->rscn_out_ptr = 0;
1301         }
1302         ha->isp_ops->config_rings(vha);
1303
1304         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1305
1306         /* Update any ISP specific firmware options before initialization. */
1307         ha->isp_ops->update_fw_options(vha);
1308
1309         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1310
1311         if (ha->flags.npiv_supported) {
1312                 if (ha->operating_mode == LOOP)
1313                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
1314                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1315         }
1316
1317
1318         mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1319
1320         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1321         if (rval) {
1322                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1323                     vha->host_no));
1324         } else {
1325                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1326                     vha->host_no));
1327         }
1328
1329         return (rval);
1330 }
1331
1332 /**
1333  * qla2x00_fw_ready() - Waits for firmware ready.
1334  * @ha: HA context
1335  *
1336  * Returns 0 on success.
1337  */
1338 static int
1339 qla2x00_fw_ready(scsi_qla_host_t *vha)
1340 {
1341         int             rval;
1342         unsigned long   wtime, mtime, cs84xx_time;
1343         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1344         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1345         uint16_t        state[3];
1346         struct qla_hw_data *ha = vha->hw;
1347
1348         rval = QLA_SUCCESS;
1349
1350         /* 20 seconds for loop down. */
1351         min_wait = 20;
1352
1353         /*
1354          * Firmware should take at most one RATOV to login, plus 5 seconds for
1355          * our own processing.
1356          */
1357         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1358                 wait_time = min_wait;
1359         }
1360
1361         /* Min wait time if loop down */
1362         mtime = jiffies + (min_wait * HZ);
1363
1364         /* wait time before firmware ready */
1365         wtime = jiffies + (wait_time * HZ);
1366
1367         /* Wait for ISP to finish LIP */
1368         if (!vha->flags.init_done)
1369                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1370
1371         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1372             vha->host_no));
1373
1374         do {
1375                 rval = qla2x00_get_firmware_state(vha, state);
1376                 if (rval == QLA_SUCCESS) {
1377                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1378                                 vha->device_flags &= ~DFLG_NO_CABLE;
1379                         }
1380                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1381                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1382                                     "84xx=%x.\n", vha->host_no, state[0],
1383                                     state[2]));
1384                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1385                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1386                                         DEBUG16(printk("scsi(%ld): Sending "
1387                                             "verify iocb.\n", vha->host_no));
1388
1389                                         cs84xx_time = jiffies;
1390                                         rval = qla84xx_init_chip(vha);
1391                                         if (rval != QLA_SUCCESS)
1392                                                 break;
1393
1394                                         /* Add time taken to initialize. */
1395                                         cs84xx_time = jiffies - cs84xx_time;
1396                                         wtime += cs84xx_time;
1397                                         mtime += cs84xx_time;
1398                                         DEBUG16(printk("scsi(%ld): Increasing "
1399                                             "wait time by %ld. New time %ld\n",
1400                                             vha->host_no, cs84xx_time, wtime));
1401                                 }
1402                         } else if (state[0] == FSTATE_READY) {
1403                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1404                                     vha->host_no));
1405
1406                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1407                                     &ha->login_timeout, &ha->r_a_tov);
1408
1409                                 rval = QLA_SUCCESS;
1410                                 break;
1411                         }
1412
1413                         rval = QLA_FUNCTION_FAILED;
1414
1415                         if (atomic_read(&vha->loop_down_timer) &&
1416                             state[0] != FSTATE_READY) {
1417                                 /* Loop down. Timeout on min_wait for states
1418                                  * other than Wait for Login.
1419                                  */
1420                                 if (time_after_eq(jiffies, mtime)) {
1421                                         qla_printk(KERN_INFO, ha,
1422                                             "Cable is unplugged...\n");
1423
1424                                         vha->device_flags |= DFLG_NO_CABLE;
1425                                         break;
1426                                 }
1427                         }
1428                 } else {
1429                         /* Mailbox cmd failed. Timeout on min_wait. */
1430                         if (time_after_eq(jiffies, mtime))
1431                                 break;
1432                 }
1433
1434                 if (time_after_eq(jiffies, wtime))
1435                         break;
1436
1437                 /* Delay for a while */
1438                 msleep(500);
1439
1440                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1441                     vha->host_no, state[0], jiffies));
1442         } while (1);
1443
1444         DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1445             vha->host_no, state[0], jiffies));
1446
1447         if (rval) {
1448                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1449                     vha->host_no));
1450         }
1451
1452         return (rval);
1453 }
1454
1455 /*
1456 *  qla2x00_configure_hba
1457 *      Setup adapter context.
1458 *
1459 * Input:
1460 *      ha = adapter state pointer.
1461 *
1462 * Returns:
1463 *      0 = success
1464 *
1465 * Context:
1466 *      Kernel context.
1467 */
1468 static int
1469 qla2x00_configure_hba(scsi_qla_host_t *vha)
1470 {
1471         int       rval;
1472         uint16_t      loop_id;
1473         uint16_t      topo;
1474         uint16_t      sw_cap;
1475         uint8_t       al_pa;
1476         uint8_t       area;
1477         uint8_t       domain;
1478         char            connect_type[22];
1479         struct qla_hw_data *ha = vha->hw;
1480
1481         /* Get host addresses. */
1482         rval = qla2x00_get_adapter_id(vha,
1483             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1484         if (rval != QLA_SUCCESS) {
1485                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1486                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1487                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1488                             __func__, vha->host_no));
1489                 } else {
1490                         qla_printk(KERN_WARNING, ha,
1491                             "ERROR -- Unable to get host loop ID.\n");
1492                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1493                 }
1494                 return (rval);
1495         }
1496
1497         if (topo == 4) {
1498                 qla_printk(KERN_INFO, ha,
1499                         "Cannot get topology - retrying.\n");
1500                 return (QLA_FUNCTION_FAILED);
1501         }
1502
1503         vha->loop_id = loop_id;
1504
1505         /* initialize */
1506         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1507         ha->operating_mode = LOOP;
1508         ha->switch_cap = 0;
1509
1510         switch (topo) {
1511         case 0:
1512                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1513                     vha->host_no));
1514                 ha->current_topology = ISP_CFG_NL;
1515                 strcpy(connect_type, "(Loop)");
1516                 break;
1517
1518         case 1:
1519                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1520                     vha->host_no));
1521                 ha->switch_cap = sw_cap;
1522                 ha->current_topology = ISP_CFG_FL;
1523                 strcpy(connect_type, "(FL_Port)");
1524                 break;
1525
1526         case 2:
1527                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1528                     vha->host_no));
1529                 ha->operating_mode = P2P;
1530                 ha->current_topology = ISP_CFG_N;
1531                 strcpy(connect_type, "(N_Port-to-N_Port)");
1532                 break;
1533
1534         case 3:
1535                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1536                     vha->host_no));
1537                 ha->switch_cap = sw_cap;
1538                 ha->operating_mode = P2P;
1539                 ha->current_topology = ISP_CFG_F;
1540                 strcpy(connect_type, "(F_Port)");
1541                 break;
1542
1543         default:
1544                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1545                     "Using NL.\n",
1546                     vha->host_no, topo));
1547                 ha->current_topology = ISP_CFG_NL;
1548                 strcpy(connect_type, "(Loop)");
1549                 break;
1550         }
1551
1552         /* Save Host port and loop ID. */
1553         /* byte order - Big Endian */
1554         vha->d_id.b.domain = domain;
1555         vha->d_id.b.area = area;
1556         vha->d_id.b.al_pa = al_pa;
1557
1558         if (!vha->flags.init_done)
1559                 qla_printk(KERN_INFO, ha,
1560                     "Topology - %s, Host Loop address 0x%x\n",
1561                     connect_type, vha->loop_id);
1562
1563         if (rval) {
1564                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1565         } else {
1566                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1567         }
1568
1569         return(rval);
1570 }
1571
1572 static inline void
1573 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1574         char *def)
1575 {
1576         char *st, *en;
1577         uint16_t index;
1578         struct qla_hw_data *ha = vha->hw;
1579
1580         if (memcmp(model, BINZERO, len) != 0) {
1581                 strncpy(ha->model_number, model, len);
1582                 st = en = ha->model_number;
1583                 en += len - 1;
1584                 while (en > st) {
1585                         if (*en != 0x20 && *en != 0x00)
1586                                 break;
1587                         *en-- = '\0';
1588                 }
1589
1590                 index = (ha->pdev->subsystem_device & 0xff);
1591                 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1592                     index < QLA_MODEL_NAMES)
1593                         strncpy(ha->model_desc,
1594                             qla2x00_model_name[index * 2 + 1],
1595                             sizeof(ha->model_desc) - 1);
1596         } else {
1597                 index = (ha->pdev->subsystem_device & 0xff);
1598                 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1599                     index < QLA_MODEL_NAMES) {
1600                         strcpy(ha->model_number,
1601                             qla2x00_model_name[index * 2]);
1602                         strncpy(ha->model_desc,
1603                             qla2x00_model_name[index * 2 + 1],
1604                             sizeof(ha->model_desc) - 1);
1605                 } else {
1606                         strcpy(ha->model_number, def);
1607                 }
1608         }
1609         if (IS_FWI2_CAPABLE(ha))
1610                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1611                     sizeof(ha->model_desc));
1612 }
1613
1614 /* On sparc systems, obtain port and node WWN from firmware
1615  * properties.
1616  */
1617 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
1618 {
1619 #ifdef CONFIG_SPARC
1620         struct qla_hw_data *ha = vha->hw;
1621         struct pci_dev *pdev = ha->pdev;
1622         struct device_node *dp = pci_device_to_OF_node(pdev);
1623         const u8 *val;
1624         int len;
1625
1626         val = of_get_property(dp, "port-wwn", &len);
1627         if (val && len >= WWN_SIZE)
1628                 memcpy(nv->port_name, val, WWN_SIZE);
1629
1630         val = of_get_property(dp, "node-wwn", &len);
1631         if (val && len >= WWN_SIZE)
1632                 memcpy(nv->node_name, val, WWN_SIZE);
1633 #endif
1634 }
1635
1636 /*
1637 * NVRAM configuration for ISP 2xxx
1638 *
1639 * Input:
1640 *      ha                = adapter block pointer.
1641 *
1642 * Output:
1643 *      initialization control block in response_ring
1644 *      host adapters parameters in host adapter block
1645 *
1646 * Returns:
1647 *      0 = success.
1648 */
1649 int
1650 qla2x00_nvram_config(scsi_qla_host_t *vha)
1651 {
1652         int             rval;
1653         uint8_t         chksum = 0;
1654         uint16_t        cnt;
1655         uint8_t         *dptr1, *dptr2;
1656         struct qla_hw_data *ha = vha->hw;
1657         init_cb_t       *icb = ha->init_cb;
1658         nvram_t         *nv = ha->nvram;
1659         uint8_t         *ptr = ha->nvram;
1660         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1661
1662         rval = QLA_SUCCESS;
1663
1664         /* Determine NVRAM starting address. */
1665         ha->nvram_size = sizeof(nvram_t);
1666         ha->nvram_base = 0;
1667         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1668                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1669                         ha->nvram_base = 0x80;
1670
1671         /* Get NVRAM data and calculate checksum. */
1672         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
1673         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1674                 chksum += *ptr++;
1675
1676         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
1677         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1678
1679         /* Bad NVRAM data, set defaults parameters. */
1680         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1681             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1682                 /* Reset NVRAM data. */
1683                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1684                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1685                     nv->nvram_version);
1686                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1687                     "invalid -- WWPN) defaults.\n");
1688
1689                 /*
1690                  * Set default initialization control block.
1691                  */
1692                 memset(nv, 0, ha->nvram_size);
1693                 nv->parameter_block_version = ICB_VERSION;
1694
1695                 if (IS_QLA23XX(ha)) {
1696                         nv->firmware_options[0] = BIT_2 | BIT_1;
1697                         nv->firmware_options[1] = BIT_7 | BIT_5;
1698                         nv->add_firmware_options[0] = BIT_5;
1699                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1700                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
1701                         nv->special_options[1] = BIT_7;
1702                 } else if (IS_QLA2200(ha)) {
1703                         nv->firmware_options[0] = BIT_2 | BIT_1;
1704                         nv->firmware_options[1] = BIT_7 | BIT_5;
1705                         nv->add_firmware_options[0] = BIT_5;
1706                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1707                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1708                 } else if (IS_QLA2100(ha)) {
1709                         nv->firmware_options[0] = BIT_3 | BIT_1;
1710                         nv->firmware_options[1] = BIT_5;
1711                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1712                 }
1713
1714                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1715                 nv->execution_throttle = __constant_cpu_to_le16(16);
1716                 nv->retry_count = 8;
1717                 nv->retry_delay = 1;
1718
1719                 nv->port_name[0] = 33;
1720                 nv->port_name[3] = 224;
1721                 nv->port_name[4] = 139;
1722
1723                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
1724
1725                 nv->login_timeout = 4;
1726
1727                 /*
1728                  * Set default host adapter parameters
1729                  */
1730                 nv->host_p[1] = BIT_2;
1731                 nv->reset_delay = 5;
1732                 nv->port_down_retry_count = 8;
1733                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1734                 nv->link_down_timeout = 60;
1735
1736                 rval = 1;
1737         }
1738
1739 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1740         /*
1741          * The SN2 does not provide BIOS emulation which means you can't change
1742          * potentially bogus BIOS settings. Force the use of default settings
1743          * for link rate and frame size.  Hope that the rest of the settings
1744          * are valid.
1745          */
1746         if (ia64_platform_is("sn2")) {
1747                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1748                 if (IS_QLA23XX(ha))
1749                         nv->special_options[1] = BIT_7;
1750         }
1751 #endif
1752
1753         /* Reset Initialization control block */
1754         memset(icb, 0, ha->init_cb_size);
1755
1756         /*
1757          * Setup driver NVRAM options.
1758          */
1759         nv->firmware_options[0] |= (BIT_6 | BIT_1);
1760         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1761         nv->firmware_options[1] |= (BIT_5 | BIT_0);
1762         nv->firmware_options[1] &= ~BIT_4;
1763
1764         if (IS_QLA23XX(ha)) {
1765                 nv->firmware_options[0] |= BIT_2;
1766                 nv->firmware_options[0] &= ~BIT_3;
1767                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1768
1769                 if (IS_QLA2300(ha)) {
1770                         if (ha->fb_rev == FPM_2310) {
1771                                 strcpy(ha->model_number, "QLA2310");
1772                         } else {
1773                                 strcpy(ha->model_number, "QLA2300");
1774                         }
1775                 } else {
1776                         qla2x00_set_model_info(vha, nv->model_number,
1777                             sizeof(nv->model_number), "QLA23xx");
1778                 }
1779         } else if (IS_QLA2200(ha)) {
1780                 nv->firmware_options[0] |= BIT_2;
1781                 /*
1782                  * 'Point-to-point preferred, else loop' is not a safe
1783                  * connection mode setting.
1784                  */
1785                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1786                     (BIT_5 | BIT_4)) {
1787                         /* Force 'loop preferred, else point-to-point'. */
1788                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1789                         nv->add_firmware_options[0] |= BIT_5;
1790                 }
1791                 strcpy(ha->model_number, "QLA22xx");
1792         } else /*if (IS_QLA2100(ha))*/ {
1793                 strcpy(ha->model_number, "QLA2100");
1794         }
1795
1796         /*
1797          * Copy over NVRAM RISC parameter block to initialization control block.
1798          */
1799         dptr1 = (uint8_t *)icb;
1800         dptr2 = (uint8_t *)&nv->parameter_block_version;
1801         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1802         while (cnt--)
1803                 *dptr1++ = *dptr2++;
1804
1805         /* Copy 2nd half. */
1806         dptr1 = (uint8_t *)icb->add_firmware_options;
1807         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1808         while (cnt--)
1809                 *dptr1++ = *dptr2++;
1810
1811         /* Use alternate WWN? */
1812         if (nv->host_p[1] & BIT_7) {
1813                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1814                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1815         }
1816
1817         /* Prepare nodename */
1818         if ((icb->firmware_options[1] & BIT_6) == 0) {
1819                 /*
1820                  * Firmware will apply the following mask if the nodename was
1821                  * not provided.
1822                  */
1823                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1824                 icb->node_name[0] &= 0xF0;
1825         }
1826
1827         /*
1828          * Set host adapter parameters.
1829          */
1830         if (nv->host_p[0] & BIT_7)
1831                 ql2xextended_error_logging = 1;
1832         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1833         /* Always load RISC code on non ISP2[12]00 chips. */
1834         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1835                 ha->flags.disable_risc_code_load = 0;
1836         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1837         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1838         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1839         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1840         ha->flags.disable_serdes = 0;
1841
1842         ha->operating_mode =
1843             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1844
1845         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1846             sizeof(ha->fw_seriallink_options));
1847
1848         /* save HBA serial number */
1849         ha->serial0 = icb->port_name[5];
1850         ha->serial1 = icb->port_name[6];
1851         ha->serial2 = icb->port_name[7];
1852         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
1853         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1854
1855         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1856
1857         ha->retry_count = nv->retry_count;
1858
1859         /* Set minimum login_timeout to 4 seconds. */
1860         if (nv->login_timeout < ql2xlogintimeout)
1861                 nv->login_timeout = ql2xlogintimeout;
1862         if (nv->login_timeout < 4)
1863                 nv->login_timeout = 4;
1864         ha->login_timeout = nv->login_timeout;
1865         icb->login_timeout = nv->login_timeout;
1866
1867         /* Set minimum RATOV to 100 tenths of a second. */
1868         ha->r_a_tov = 100;
1869
1870         ha->loop_reset_delay = nv->reset_delay;
1871
1872         /* Link Down Timeout = 0:
1873          *
1874          *      When Port Down timer expires we will start returning
1875          *      I/O's to OS with "DID_NO_CONNECT".
1876          *
1877          * Link Down Timeout != 0:
1878          *
1879          *       The driver waits for the link to come up after link down
1880          *       before returning I/Os to OS with "DID_NO_CONNECT".
1881          */
1882         if (nv->link_down_timeout == 0) {
1883                 ha->loop_down_abort_time =
1884                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1885         } else {
1886                 ha->link_down_timeout =  nv->link_down_timeout;
1887                 ha->loop_down_abort_time =
1888                     (LOOP_DOWN_TIME - ha->link_down_timeout);
1889         }
1890
1891         /*
1892          * Need enough time to try and get the port back.
1893          */
1894         ha->port_down_retry_count = nv->port_down_retry_count;
1895         if (qlport_down_retry)
1896                 ha->port_down_retry_count = qlport_down_retry;
1897         /* Set login_retry_count */
1898         ha->login_retry_count  = nv->retry_count;
1899         if (ha->port_down_retry_count == nv->port_down_retry_count &&
1900             ha->port_down_retry_count > 3)
1901                 ha->login_retry_count = ha->port_down_retry_count;
1902         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1903                 ha->login_retry_count = ha->port_down_retry_count;
1904         if (ql2xloginretrycount)
1905                 ha->login_retry_count = ql2xloginretrycount;
1906
1907         icb->lun_enables = __constant_cpu_to_le16(0);
1908         icb->command_resource_count = 0;
1909         icb->immediate_notify_resource_count = 0;
1910         icb->timeout = __constant_cpu_to_le16(0);
1911
1912         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1913                 /* Enable RIO */
1914                 icb->firmware_options[0] &= ~BIT_3;
1915                 icb->add_firmware_options[0] &=
1916                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1917                 icb->add_firmware_options[0] |= BIT_2;
1918                 icb->response_accumulation_timer = 3;
1919                 icb->interrupt_delay_timer = 5;
1920
1921                 vha->flags.process_response_queue = 1;
1922         } else {
1923                 /* Enable ZIO. */
1924                 if (!vha->flags.init_done) {
1925                         ha->zio_mode = icb->add_firmware_options[0] &
1926                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1927                         ha->zio_timer = icb->interrupt_delay_timer ?
1928                             icb->interrupt_delay_timer: 2;
1929                 }
1930                 icb->add_firmware_options[0] &=
1931                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1932                 vha->flags.process_response_queue = 0;
1933                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1934                         ha->zio_mode = QLA_ZIO_MODE_6;
1935
1936                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1937                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
1938                             ha->zio_timer * 100));
1939                         qla_printk(KERN_INFO, ha,
1940                             "ZIO mode %d enabled; timer delay (%d us).\n",
1941                             ha->zio_mode, ha->zio_timer * 100);
1942
1943                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1944                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1945                         vha->flags.process_response_queue = 1;
1946                 }
1947         }
1948
1949         if (rval) {
1950                 DEBUG2_3(printk(KERN_WARNING
1951                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
1952         }
1953         return (rval);
1954 }
1955
1956 static void
1957 qla2x00_rport_del(void *data)
1958 {
1959         fc_port_t *fcport = data;
1960         struct fc_rport *rport;
1961
1962         spin_lock_irq(fcport->vha->host->host_lock);
1963         rport = fcport->drport;
1964         fcport->drport = NULL;
1965         spin_unlock_irq(fcport->vha->host->host_lock);
1966         if (rport)
1967                 fc_remote_port_delete(rport);
1968 }
1969
1970 /**
1971  * qla2x00_alloc_fcport() - Allocate a generic fcport.
1972  * @ha: HA context
1973  * @flags: allocation flags
1974  *
1975  * Returns a pointer to the allocated fcport, or NULL, if none available.
1976  */
1977 static fc_port_t *
1978 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1979 {
1980         fc_port_t *fcport;
1981
1982         fcport = kzalloc(sizeof(fc_port_t), flags);
1983         if (!fcport)
1984                 return NULL;
1985
1986         /* Setup fcport template structure. */
1987         fcport->vha = vha;
1988         fcport->vp_idx = vha->vp_idx;
1989         fcport->port_type = FCT_UNKNOWN;
1990         fcport->loop_id = FC_NO_LOOP_ID;
1991         atomic_set(&fcport->state, FCS_UNCONFIGURED);
1992         fcport->flags = FCF_RLC_SUPPORT;
1993         fcport->supported_classes = FC_COS_UNSPECIFIED;
1994
1995         return fcport;
1996 }
1997
1998 /*
1999  * qla2x00_configure_loop
2000  *      Updates Fibre Channel Device Database with what is actually on loop.
2001  *
2002  * Input:
2003  *      ha                = adapter block pointer.
2004  *
2005  * Returns:
2006  *      0 = success.
2007  *      1 = error.
2008  *      2 = database was full and device was not configured.
2009  */
2010 static int
2011 qla2x00_configure_loop(scsi_qla_host_t *vha)
2012 {
2013         int  rval;
2014         unsigned long flags, save_flags;
2015         struct qla_hw_data *ha = vha->hw;
2016         rval = QLA_SUCCESS;
2017
2018         /* Get Initiator ID */
2019         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2020                 rval = qla2x00_configure_hba(vha);
2021                 if (rval != QLA_SUCCESS) {
2022                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2023                             vha->host_no));
2024                         return (rval);
2025                 }
2026         }
2027
2028         save_flags = flags = vha->dpc_flags;
2029         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2030             vha->host_no, flags));
2031
2032         /*
2033          * If we have both an RSCN and PORT UPDATE pending then handle them
2034          * both at the same time.
2035          */
2036         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2037         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2038
2039         /* Determine what we need to do */
2040         if (ha->current_topology == ISP_CFG_FL &&
2041             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2042
2043                 vha->flags.rscn_queue_overflow = 1;
2044                 set_bit(RSCN_UPDATE, &flags);
2045
2046         } else if (ha->current_topology == ISP_CFG_F &&
2047             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2048
2049                 vha->flags.rscn_queue_overflow = 1;
2050                 set_bit(RSCN_UPDATE, &flags);
2051                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2052
2053         } else if (ha->current_topology == ISP_CFG_N) {
2054                 clear_bit(RSCN_UPDATE, &flags);
2055
2056         } else if (!vha->flags.online ||
2057             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2058
2059                 vha->flags.rscn_queue_overflow = 1;
2060                 set_bit(RSCN_UPDATE, &flags);
2061                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2062         }
2063
2064         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2065                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2066                         rval = QLA_FUNCTION_FAILED;
2067                 else
2068                         rval = qla2x00_configure_local_loop(vha);
2069         }
2070
2071         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2072                 if (LOOP_TRANSITION(vha))
2073                         rval = QLA_FUNCTION_FAILED;
2074                 else
2075                         rval = qla2x00_configure_fabric(vha);
2076         }
2077
2078         if (rval == QLA_SUCCESS) {
2079                 if (atomic_read(&vha->loop_down_timer) ||
2080                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2081                         rval = QLA_FUNCTION_FAILED;
2082                 } else {
2083                         atomic_set(&vha->loop_state, LOOP_READY);
2084
2085                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2086                 }
2087         }
2088
2089         if (rval) {
2090                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2091                     __func__, vha->host_no));
2092         } else {
2093                 DEBUG3(printk("%s: exiting normally\n", __func__));
2094         }
2095
2096         /* Restore state if a resync event occurred during processing */
2097         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2098                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2099                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2100                 if (test_bit(RSCN_UPDATE, &save_flags))
2101                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2102         }
2103
2104         return (rval);
2105 }
2106
2107
2108
2109 /*
2110  * qla2x00_configure_local_loop
2111  *      Updates Fibre Channel Device Database with local loop devices.
2112  *
2113  * Input:
2114  *      ha = adapter block pointer.
2115  *
2116  * Returns:
2117  *      0 = success.
2118  */
2119 static int
2120 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2121 {
2122         int             rval, rval2;
2123         int             found_devs;
2124         int             found;
2125         fc_port_t       *fcport, *new_fcport;
2126
2127         uint16_t        index;
2128         uint16_t        entries;
2129         char            *id_iter;
2130         uint16_t        loop_id;
2131         uint8_t         domain, area, al_pa;
2132         struct qla_hw_data *ha = vha->hw;
2133
2134         found_devs = 0;
2135         new_fcport = NULL;
2136         entries = MAX_FIBRE_DEVICES;
2137
2138         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2139         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2140
2141         /* Get list of logged in devices. */
2142         memset(ha->gid_list, 0, GID_LIST_SIZE);
2143         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2144             &entries);
2145         if (rval != QLA_SUCCESS)
2146                 goto cleanup_allocation;
2147
2148         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2149             ha->host_no, entries));
2150         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2151             entries * sizeof(struct gid_list_info)));
2152
2153         /* Allocate temporary fcport for any new fcports discovered. */
2154         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2155         if (new_fcport == NULL) {
2156                 rval = QLA_MEMORY_ALLOC_FAILED;
2157                 goto cleanup_allocation;
2158         }
2159         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2160
2161         /*
2162          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2163          */
2164         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2165                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2166                     fcport->port_type != FCT_BROADCAST &&
2167                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2168
2169                         DEBUG(printk("scsi(%ld): Marking port lost, "
2170                             "loop_id=0x%04x\n",
2171                             vha->host_no, fcport->loop_id));
2172
2173                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2174                         fcport->flags &= ~FCF_FARP_DONE;
2175                 }
2176         }
2177
2178         /* Add devices to port list. */
2179         id_iter = (char *)ha->gid_list;
2180         for (index = 0; index < entries; index++) {
2181                 domain = ((struct gid_list_info *)id_iter)->domain;
2182                 area = ((struct gid_list_info *)id_iter)->area;
2183                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2184                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2185                         loop_id = (uint16_t)
2186                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2187                 else
2188                         loop_id = le16_to_cpu(
2189                             ((struct gid_list_info *)id_iter)->loop_id);
2190                 id_iter += ha->gid_list_info_size;
2191
2192                 /* Bypass reserved domain fields. */
2193                 if ((domain & 0xf0) == 0xf0)
2194                         continue;
2195
2196                 /* Bypass if not same domain and area of adapter. */
2197                 if (area && domain &&
2198                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2199                         continue;
2200
2201                 /* Bypass invalid local loop ID. */
2202                 if (loop_id > LAST_LOCAL_LOOP_ID)
2203                         continue;
2204
2205                 /* Fill in member data. */
2206                 new_fcport->d_id.b.domain = domain;
2207                 new_fcport->d_id.b.area = area;
2208                 new_fcport->d_id.b.al_pa = al_pa;
2209                 new_fcport->loop_id = loop_id;
2210                 new_fcport->vp_idx = vha->vp_idx;
2211                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2212                 if (rval2 != QLA_SUCCESS) {
2213                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2214                             "information -- get_port_database=%x, "
2215                             "loop_id=0x%04x\n",
2216                             vha->host_no, rval2, new_fcport->loop_id));
2217                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2218                             vha->host_no));
2219                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2220                         continue;
2221                 }
2222
2223                 /* Check for matching device in port list. */
2224                 found = 0;
2225                 fcport = NULL;
2226                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2227                         if (memcmp(new_fcport->port_name, fcport->port_name,
2228                             WWN_SIZE))
2229                                 continue;
2230
2231                         fcport->flags &= ~(FCF_FABRIC_DEVICE |
2232                             FCF_PERSISTENT_BOUND);
2233                         fcport->loop_id = new_fcport->loop_id;
2234                         fcport->port_type = new_fcport->port_type;
2235                         fcport->d_id.b24 = new_fcport->d_id.b24;
2236                         memcpy(fcport->node_name, new_fcport->node_name,
2237                             WWN_SIZE);
2238
2239                         found++;
2240                         break;
2241                 }
2242
2243                 if (!found) {
2244                         /* New device, add to fcports list. */
2245                         new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2246                         if (vha->vp_idx) {
2247                                 new_fcport->vha = vha;
2248                                 new_fcport->vp_idx = vha->vp_idx;
2249                         }
2250                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2251
2252                         /* Allocate a new replacement fcport. */
2253                         fcport = new_fcport;
2254                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2255                         if (new_fcport == NULL) {
2256                                 rval = QLA_MEMORY_ALLOC_FAILED;
2257                                 goto cleanup_allocation;
2258                         }
2259                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2260                 }
2261
2262                 /* Base iIDMA settings on HBA port speed. */
2263                 fcport->fp_speed = ha->link_data_rate;
2264
2265                 qla2x00_update_fcport(vha, fcport);
2266
2267                 found_devs++;
2268         }
2269
2270 cleanup_allocation:
2271         kfree(new_fcport);
2272
2273         if (rval != QLA_SUCCESS) {
2274                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2275                     "rval=%x\n", vha->host_no, rval));
2276         }
2277
2278         if (found_devs) {
2279                 vha->device_flags |= DFLG_LOCAL_DEVICES;
2280                 vha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2281         }
2282
2283         return (rval);
2284 }
2285
2286 static void
2287 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2288 {
2289 #define LS_UNKNOWN      2
2290         static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
2291         int rval;
2292         uint16_t mb[6];
2293         struct qla_hw_data *ha = vha->hw;
2294
2295         if (!IS_IIDMA_CAPABLE(ha))
2296                 return;
2297
2298         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2299             fcport->fp_speed > ha->link_data_rate)
2300                 return;
2301
2302         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2303             mb);
2304         if (rval != QLA_SUCCESS) {
2305                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2306                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2307                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2308                     fcport->port_name[2], fcport->port_name[3],
2309                     fcport->port_name[4], fcport->port_name[5],
2310                     fcport->port_name[6], fcport->port_name[7], rval,
2311                     fcport->fp_speed, mb[0], mb[1]));
2312         } else {
2313                 DEBUG2(qla_printk(KERN_INFO, ha,
2314                     "iIDMA adjusted to %s GB/s on "
2315                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2316                     link_speeds[fcport->fp_speed], fcport->port_name[0],
2317                     fcport->port_name[1], fcport->port_name[2],
2318                     fcport->port_name[3], fcport->port_name[4],
2319                     fcport->port_name[5], fcport->port_name[6],
2320                     fcport->port_name[7]));
2321         }
2322 }
2323
2324 static void
2325 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2326 {
2327         struct fc_rport_identifiers rport_ids;
2328         struct fc_rport *rport;
2329         struct qla_hw_data *ha = vha->hw;
2330
2331         if (fcport->drport)
2332                 qla2x00_rport_del(fcport);
2333
2334         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2335         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2336         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2337             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2338         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2339         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2340         if (!rport) {
2341                 qla_printk(KERN_WARNING, ha,
2342                     "Unable to allocate fc remote port!\n");
2343                 return;
2344         }
2345         spin_lock_irq(fcport->vha->host->host_lock);
2346         *((fc_port_t **)rport->dd_data) = fcport;
2347         spin_unlock_irq(fcport->vha->host->host_lock);
2348
2349         rport->supported_classes = fcport->supported_classes;
2350
2351         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2352         if (fcport->port_type == FCT_INITIATOR)
2353                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2354         if (fcport->port_type == FCT_TARGET)
2355                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2356         fc_remote_port_rolechg(rport, rport_ids.roles);
2357 }
2358
2359 /*
2360  * qla2x00_update_fcport
2361  *      Updates device on list.
2362  *
2363  * Input:
2364  *      ha = adapter block pointer.
2365  *      fcport = port structure pointer.
2366  *
2367  * Return:
2368  *      0  - Success
2369  *  BIT_0 - error
2370  *
2371  * Context:
2372  *      Kernel context.
2373  */
2374 void
2375 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2376 {
2377         struct qla_hw_data *ha = vha->hw;
2378
2379         fcport->vha = vha;
2380         fcport->login_retry = 0;
2381         fcport->port_login_retry_count = ha->port_down_retry_count *
2382             PORT_RETRY_TIME;
2383         atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2384             PORT_RETRY_TIME);
2385         fcport->flags &= ~FCF_LOGIN_NEEDED;
2386
2387         qla2x00_iidma_fcport(vha, fcport);
2388
2389         atomic_set(&fcport->state, FCS_ONLINE);
2390
2391         qla2x00_reg_remote_port(vha, fcport);
2392 }
2393
2394 /*
2395  * qla2x00_configure_fabric
2396  *      Setup SNS devices with loop ID's.
2397  *
2398  * Input:
2399  *      ha = adapter block pointer.
2400  *
2401  * Returns:
2402  *      0 = success.
2403  *      BIT_0 = error
2404  */
2405 static int
2406 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2407 {
2408         int     rval, rval2;
2409         fc_port_t       *fcport, *fcptemp;
2410         uint16_t        next_loopid;
2411         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2412         uint16_t        loop_id;
2413         LIST_HEAD(new_fcports);
2414         struct qla_hw_data *ha = vha->hw;
2415         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2416
2417         /* If FL port exists, then SNS is present */
2418         if (IS_FWI2_CAPABLE(ha))
2419                 loop_id = NPH_F_PORT;
2420         else
2421                 loop_id = SNS_FL_PORT;
2422         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2423         if (rval != QLA_SUCCESS) {
2424                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2425                     "Port\n", vha->host_no));
2426
2427                 vha->device_flags &= ~SWITCH_FOUND;
2428                 return (QLA_SUCCESS);
2429         }
2430         vha->device_flags |= SWITCH_FOUND;
2431
2432         /* Mark devices that need re-synchronization. */
2433         rval2 = qla2x00_device_resync(vha);
2434         if (rval2 == QLA_RSCNS_HANDLED) {
2435                 /* No point doing the scan, just continue. */
2436                 return (QLA_SUCCESS);
2437         }
2438         do {
2439                 /* FDMI support. */
2440                 if (ql2xfdmienable &&
2441                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2442                         qla2x00_fdmi_register(vha);
2443
2444                 /* Ensure we are logged into the SNS. */
2445                 if (IS_FWI2_CAPABLE(ha))
2446                         loop_id = NPH_SNS;
2447                 else
2448                         loop_id = SIMPLE_NAME_SERVER;
2449                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2450                     0xfc, mb, BIT_1 | BIT_0);
2451                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2452                         DEBUG2(qla_printk(KERN_INFO, ha,
2453                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2454                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2455                             mb[0], mb[1], mb[2], mb[6], mb[7]));
2456                         return (QLA_SUCCESS);
2457                 }
2458
2459                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2460                         if (qla2x00_rft_id(vha)) {
2461                                 /* EMPTY */
2462                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2463                                     "TYPE failed.\n", vha->host_no));
2464                         }
2465                         if (qla2x00_rff_id(vha)) {
2466                                 /* EMPTY */
2467                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2468                                     "Features failed.\n", vha->host_no));
2469                         }
2470                         if (qla2x00_rnn_id(vha)) {
2471                                 /* EMPTY */
2472                                 DEBUG2(printk("scsi(%ld): Register Node Name "
2473                                     "failed.\n", vha->host_no));
2474                         } else if (qla2x00_rsnn_nn(vha)) {
2475                                 /* EMPTY */
2476                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
2477                                     "Node Name failed.\n", vha->host_no));
2478                         }
2479                 }
2480
2481                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2482                 if (rval != QLA_SUCCESS)
2483                         break;
2484
2485                 /*
2486                  * Logout all previous fabric devices marked lost, except
2487                  * tape devices.
2488                  */
2489                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2490                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2491                                 break;
2492
2493                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2494                                 continue;
2495
2496                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2497                                 qla2x00_mark_device_lost(vha, fcport,
2498                                     ql2xplogiabsentdevice, 0);
2499                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
2500                                     (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2501                                     fcport->port_type != FCT_INITIATOR &&
2502                                     fcport->port_type != FCT_BROADCAST) {
2503                                         ha->isp_ops->fabric_logout(vha,
2504                                             fcport->loop_id,
2505                                             fcport->d_id.b.domain,
2506                                             fcport->d_id.b.area,
2507                                             fcport->d_id.b.al_pa);
2508                                         fcport->loop_id = FC_NO_LOOP_ID;
2509                                 }
2510                         }
2511                 }
2512
2513                 /* Starting free loop ID. */
2514                 next_loopid = ha->min_external_loopid;
2515
2516                 /*
2517                  * Scan through our port list and login entries that need to be
2518                  * logged in.
2519                  */
2520                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2521                         if (atomic_read(&vha->loop_down_timer) ||
2522                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2523                                 break;
2524
2525                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2526                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2527                                 continue;
2528
2529                         if (fcport->loop_id == FC_NO_LOOP_ID) {
2530                                 fcport->loop_id = next_loopid;
2531                                 rval = qla2x00_find_new_loop_id(
2532                                     base_vha, fcport);
2533                                 if (rval != QLA_SUCCESS) {
2534                                         /* Ran out of IDs to use */
2535                                         break;
2536                                 }
2537                         }
2538                         /* Login and update database */
2539                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2540                 }
2541
2542                 /* Exit if out of loop IDs. */
2543                 if (rval != QLA_SUCCESS) {
2544                         break;
2545                 }
2546
2547                 /*
2548                  * Login and add the new devices to our port list.
2549                  */
2550                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2551                         if (atomic_read(&vha->loop_down_timer) ||
2552                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2553                                 break;
2554
2555                         /* Find a new loop ID to use. */
2556                         fcport->loop_id = next_loopid;
2557                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
2558                         if (rval != QLA_SUCCESS) {
2559                                 /* Ran out of IDs to use */
2560                                 break;
2561                         }
2562
2563                         /* Login and update database */
2564                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2565
2566                         if (vha->vp_idx) {
2567                                 fcport->vha = vha;
2568                                 fcport->vp_idx = vha->vp_idx;
2569                         }
2570                         list_move_tail(&fcport->list, &vha->vp_fcports);
2571                 }
2572         } while (0);
2573
2574         /* Free all new device structures not processed. */
2575         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2576                 list_del(&fcport->list);
2577                 kfree(fcport);
2578         }
2579
2580         if (rval) {
2581                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2582                     "rval=%d\n", vha->host_no, rval));
2583         }
2584
2585         return (rval);
2586 }
2587
2588
2589 /*
2590  * qla2x00_find_all_fabric_devs
2591  *
2592  * Input:
2593  *      ha = adapter block pointer.
2594  *      dev = database device entry pointer.
2595  *
2596  * Returns:
2597  *      0 = success.
2598  *
2599  * Context:
2600  *      Kernel context.
2601  */
2602 static int
2603 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2604         struct list_head *new_fcports)
2605 {
2606         int             rval;
2607         uint16_t        loop_id;
2608         fc_port_t       *fcport, *new_fcport, *fcptemp;
2609         int             found;
2610
2611         sw_info_t       *swl;
2612         int             swl_idx;
2613         int             first_dev, last_dev;
2614         port_id_t       wrap, nxt_d_id;
2615         struct qla_hw_data *ha = vha->hw;
2616         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
2617         struct scsi_qla_host *tvp;
2618
2619         rval = QLA_SUCCESS;
2620
2621         /* Try GID_PT to get device list, else GAN. */
2622         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2623         if (!swl) {
2624                 /*EMPTY*/
2625                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2626                     "on GA_NXT\n", vha->host_no));
2627         } else {
2628                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
2629                         kfree(swl);
2630                         swl = NULL;
2631                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
2632                         kfree(swl);
2633                         swl = NULL;
2634                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
2635                         kfree(swl);
2636                         swl = NULL;
2637                 } else if (ql2xiidmaenable &&
2638                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2639                         qla2x00_gpsc(vha, swl);
2640                 }
2641         }
2642         swl_idx = 0;
2643
2644         /* Allocate temporary fcport for any new fcports discovered. */
2645         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2646         if (new_fcport == NULL) {
2647                 kfree(swl);
2648                 return (QLA_MEMORY_ALLOC_FAILED);
2649         }
2650         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2651         /* Set start port ID scan at adapter ID. */
2652         first_dev = 1;
2653         last_dev = 0;
2654
2655         /* Starting free loop ID. */
2656         loop_id = ha->min_external_loopid;
2657         for (; loop_id <= ha->max_loop_id; loop_id++) {
2658                 if (qla2x00_is_reserved_id(vha, loop_id))
2659                         continue;
2660
2661                 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
2662                         break;
2663
2664                 if (swl != NULL) {
2665                         if (last_dev) {
2666                                 wrap.b24 = new_fcport->d_id.b24;
2667                         } else {
2668                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2669                                 memcpy(new_fcport->node_name,
2670                                     swl[swl_idx].node_name, WWN_SIZE);
2671                                 memcpy(new_fcport->port_name,
2672                                     swl[swl_idx].port_name, WWN_SIZE);
2673                                 memcpy(new_fcport->fabric_port_name,
2674                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
2675                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2676
2677                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2678                                         last_dev = 1;
2679                                 }
2680                                 swl_idx++;
2681                         }
2682                 } else {
2683                         /* Send GA_NXT to the switch */
2684                         rval = qla2x00_ga_nxt(vha, new_fcport);
2685                         if (rval != QLA_SUCCESS) {
2686                                 qla_printk(KERN_WARNING, ha,
2687                                     "SNS scan failed -- assuming zero-entry "
2688                                     "result...\n");
2689                                 list_for_each_entry_safe(fcport, fcptemp,
2690                                     new_fcports, list) {
2691                                         list_del(&fcport->list);
2692                                         kfree(fcport);
2693                                 }
2694                                 rval = QLA_SUCCESS;
2695                                 break;
2696                         }
2697                 }
2698
2699                 /* If wrap on switch device list, exit. */
2700                 if (first_dev) {
2701                         wrap.b24 = new_fcport->d_id.b24;
2702                         first_dev = 0;
2703                 } else if (new_fcport->d_id.b24 == wrap.b24) {
2704                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2705                             vha->host_no, new_fcport->d_id.b.domain,
2706                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2707                         break;
2708                 }
2709
2710                 /* Bypass if same physical adapter. */
2711                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
2712                         continue;
2713
2714                 /* Bypass virtual ports of the same host. */
2715                 found = 0;
2716                 if (ha->num_vhosts) {
2717                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2718                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2719                                         found = 1;
2720                                         break;
2721                                 }
2722                         }
2723                         if (found)
2724                                 continue;
2725                 }
2726
2727                 /* Bypass if same domain and area of adapter. */
2728                 if (((new_fcport->d_id.b24 & 0xffff00) ==
2729                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2730                         ISP_CFG_FL)
2731                             continue;
2732
2733                 /* Bypass reserved domain fields. */
2734                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2735                         continue;
2736
2737                 /* Locate matching device in database. */
2738                 found = 0;
2739                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2740                         if (memcmp(new_fcport->port_name, fcport->port_name,
2741                             WWN_SIZE))
2742                                 continue;
2743
2744                         found++;
2745
2746                         /* Update port state. */
2747                         memcpy(fcport->fabric_port_name,
2748                             new_fcport->fabric_port_name, WWN_SIZE);
2749                         fcport->fp_speed = new_fcport->fp_speed;
2750
2751                         /*
2752                          * If address the same and state FCS_ONLINE, nothing
2753                          * changed.
2754                          */
2755                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2756                             atomic_read(&fcport->state) == FCS_ONLINE) {
2757                                 break;
2758                         }
2759
2760                         /*
2761                          * If device was not a fabric device before.
2762                          */
2763                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2764                                 fcport->d_id.b24 = new_fcport->d_id.b24;
2765                                 fcport->loop_id = FC_NO_LOOP_ID;
2766                                 fcport->flags |= (FCF_FABRIC_DEVICE |
2767                                     FCF_LOGIN_NEEDED);
2768                                 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2769                                 break;
2770                         }
2771
2772                         /*
2773                          * Port ID changed or device was marked to be updated;
2774                          * Log it out if still logged in and mark it for
2775                          * relogin later.
2776                          */
2777                         fcport->d_id.b24 = new_fcport->d_id.b24;
2778                         fcport->flags |= FCF_LOGIN_NEEDED;
2779                         if (fcport->loop_id != FC_NO_LOOP_ID &&
2780                             (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2781                             fcport->port_type != FCT_INITIATOR &&
2782                             fcport->port_type != FCT_BROADCAST) {
2783                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
2784                                     fcport->d_id.b.domain, fcport->d_id.b.area,
2785                                     fcport->d_id.b.al_pa);
2786                                 fcport->loop_id = FC_NO_LOOP_ID;
2787                         }
2788
2789                         break;
2790                 }
2791
2792                 if (found)
2793                         continue;
2794                 /* If device was not in our fcports list, then add it. */
2795                 list_add_tail(&new_fcport->list, new_fcports);
2796
2797                 /* Allocate a new replacement fcport. */
2798                 nxt_d_id.b24 = new_fcport->d_id.b24;
2799                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2800                 if (new_fcport == NULL) {
2801                         kfree(swl);
2802                         return (QLA_MEMORY_ALLOC_FAILED);
2803                 }
2804                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2805                 new_fcport->d_id.b24 = nxt_d_id.b24;
2806         }
2807
2808         kfree(swl);
2809         kfree(new_fcport);
2810
2811         if (!list_empty(new_fcports))
2812                 vha->device_flags |= DFLG_FABRIC_DEVICES;
2813
2814         return (rval);
2815 }
2816
2817 /*
2818  * qla2x00_find_new_loop_id
2819  *      Scan through our port list and find a new usable loop ID.
2820  *
2821  * Input:
2822  *      ha:     adapter state pointer.
2823  *      dev:    port structure pointer.
2824  *
2825  * Returns:
2826  *      qla2x00 local function return status code.
2827  *
2828  * Context:
2829  *      Kernel context.
2830  */
2831 static int
2832 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
2833 {
2834         int     rval;
2835         int     found;
2836         fc_port_t *fcport;
2837         uint16_t first_loop_id;
2838         struct qla_hw_data *ha = vha->hw;
2839         struct scsi_qla_host *vp;
2840         struct scsi_qla_host *tvp;
2841
2842         rval = QLA_SUCCESS;
2843
2844         /* Save starting loop ID. */
2845         first_loop_id = dev->loop_id;
2846
2847         for (;;) {
2848                 /* Skip loop ID if already used by adapter. */
2849                 if (dev->loop_id == vha->loop_id)
2850                         dev->loop_id++;
2851
2852                 /* Skip reserved loop IDs. */
2853                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
2854                         dev->loop_id++;
2855
2856                 /* Reset loop ID if passed the end. */
2857                 if (dev->loop_id > ha->max_loop_id) {
2858                         /* first loop ID. */
2859                         dev->loop_id = ha->min_external_loopid;
2860                 }
2861
2862                 /* Check for loop ID being already in use. */
2863                 found = 0;
2864                 fcport = NULL;
2865                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
2866                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
2867                                 if (fcport->loop_id == dev->loop_id &&
2868                                                                 fcport != dev) {
2869                                         /* ID possibly in use */
2870                                         found++;
2871                                         break;
2872                                 }
2873                         }
2874                         if (found)
2875                                 break;
2876                 }
2877
2878                 /* If not in use then it is free to use. */
2879                 if (!found) {
2880                         break;
2881                 }
2882
2883                 /* ID in use. Try next value. */
2884                 dev->loop_id++;
2885
2886                 /* If wrap around. No free ID to use. */
2887                 if (dev->loop_id == first_loop_id) {
2888                         dev->loop_id = FC_NO_LOOP_ID;
2889                         rval = QLA_FUNCTION_FAILED;
2890                         break;
2891                 }
2892         }
2893
2894         return (rval);
2895 }
2896
2897 /*
2898  * qla2x00_device_resync
2899  *      Marks devices in the database that needs resynchronization.
2900  *
2901  * Input:
2902  *      ha = adapter block pointer.
2903  *
2904  * Context:
2905  *      Kernel context.
2906  */
2907 static int
2908 qla2x00_device_resync(scsi_qla_host_t *vha)
2909 {
2910         int     rval;
2911         uint32_t mask;
2912         fc_port_t *fcport;
2913         uint32_t rscn_entry;
2914         uint8_t rscn_out_iter;
2915         uint8_t format;
2916         port_id_t d_id;
2917
2918         rval = QLA_RSCNS_HANDLED;
2919
2920         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
2921             vha->flags.rscn_queue_overflow) {
2922
2923                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
2924                 format = MSB(MSW(rscn_entry));
2925                 d_id.b.domain = LSB(MSW(rscn_entry));
2926                 d_id.b.area = MSB(LSW(rscn_entry));
2927                 d_id.b.al_pa = LSB(LSW(rscn_entry));
2928
2929                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2930                     "[%02x/%02x%02x%02x].\n",
2931                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
2932                     d_id.b.area, d_id.b.al_pa));
2933
2934                 vha->rscn_out_ptr++;
2935                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
2936                         vha->rscn_out_ptr = 0;
2937
2938                 /* Skip duplicate entries. */
2939                 for (rscn_out_iter = vha->rscn_out_ptr;
2940                     !vha->flags.rscn_queue_overflow &&
2941                     rscn_out_iter != vha->rscn_in_ptr;
2942                     rscn_out_iter = (rscn_out_iter ==
2943                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2944
2945                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
2946                                 break;
2947
2948                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2949                             "entry found at [%d].\n", vha->host_no,
2950                             rscn_out_iter));
2951
2952                         vha->rscn_out_ptr = rscn_out_iter;
2953                 }
2954
2955                 /* Queue overflow, set switch default case. */
2956                 if (vha->flags.rscn_queue_overflow) {
2957                         DEBUG(printk("scsi(%ld): device_resync: rscn "
2958                             "overflow.\n", vha->host_no));
2959
2960                         format = 3;
2961                         vha->flags.rscn_queue_overflow = 0;
2962                 }
2963
2964                 switch (format) {
2965                 case 0:
2966                         mask = 0xffffff;
2967                         break;
2968                 case 1:
2969                         mask = 0xffff00;
2970                         break;
2971                 case 2:
2972                         mask = 0xff0000;
2973                         break;
2974                 default:
2975                         mask = 0x0;
2976                         d_id.b24 = 0;
2977                         vha->rscn_out_ptr = vha->rscn_in_ptr;
2978                         break;
2979                 }
2980
2981                 rval = QLA_SUCCESS;
2982
2983                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2984                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2985                             (fcport->d_id.b24 & mask) != d_id.b24 ||
2986                             fcport->port_type == FCT_BROADCAST)
2987                                 continue;
2988
2989                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
2990                                 if (format != 3 ||
2991                                     fcport->port_type != FCT_INITIATOR) {
2992                                         qla2x00_mark_device_lost(vha, fcport,
2993                                             0, 0);
2994                                 }
2995                         }
2996                         fcport->flags &= ~FCF_FARP_DONE;
2997                 }
2998         }
2999         return (rval);
3000 }
3001
3002 /*
3003  * qla2x00_fabric_dev_login
3004  *      Login fabric target device and update FC port database.
3005  *
3006  * Input:
3007  *      ha:             adapter state pointer.
3008  *      fcport:         port structure list pointer.
3009  *      next_loopid:    contains value of a new loop ID that can be used
3010  *                      by the next login attempt.
3011  *
3012  * Returns:
3013  *      qla2x00 local function return status code.
3014  *
3015  * Context:
3016  *      Kernel context.
3017  */
3018 static int
3019 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3020     uint16_t *next_loopid)
3021 {
3022         int     rval;
3023         int     retry;
3024         uint8_t opts;
3025         struct qla_hw_data *ha = vha->hw;
3026
3027         rval = QLA_SUCCESS;
3028         retry = 0;
3029
3030         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3031         if (rval == QLA_SUCCESS) {
3032                 /* Send an ADISC to tape devices.*/
3033                 opts = 0;
3034                 if (fcport->flags & FCF_TAPE_PRESENT)
3035                         opts |= BIT_1;
3036                 rval = qla2x00_get_port_database(vha, fcport, opts);
3037                 if (rval != QLA_SUCCESS) {
3038                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3039                             fcport->d_id.b.domain, fcport->d_id.b.area,
3040                             fcport->d_id.b.al_pa);
3041                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3042                 } else {
3043                         qla2x00_update_fcport(vha, fcport);
3044                 }
3045         }
3046
3047         return (rval);
3048 }
3049
3050 /*
3051  * qla2x00_fabric_login
3052  *      Issue fabric login command.
3053  *
3054  * Input:
3055  *      ha = adapter block pointer.
3056  *      device = pointer to FC device type structure.
3057  *
3058  * Returns:
3059  *      0 - Login successfully
3060  *      1 - Login failed
3061  *      2 - Initiator device
3062  *      3 - Fatal error
3063  */
3064 int
3065 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3066     uint16_t *next_loopid)
3067 {
3068         int     rval;
3069         int     retry;
3070         uint16_t tmp_loopid;
3071         uint16_t mb[MAILBOX_REGISTER_COUNT];
3072         struct qla_hw_data *ha = vha->hw;
3073
3074         retry = 0;
3075         tmp_loopid = 0;
3076
3077         for (;;) {
3078                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3079                     "for port %02x%02x%02x.\n",
3080                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3081                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3082
3083                 /* Login fcport on switch. */
3084                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3085                     fcport->d_id.b.domain, fcport->d_id.b.area,
3086                     fcport->d_id.b.al_pa, mb, BIT_0);
3087                 if (mb[0] == MBS_PORT_ID_USED) {
3088                         /*
3089                          * Device has another loop ID.  The firmware team
3090                          * recommends the driver perform an implicit login with
3091                          * the specified ID again. The ID we just used is save
3092                          * here so we return with an ID that can be tried by
3093                          * the next login.
3094                          */
3095                         retry++;
3096                         tmp_loopid = fcport->loop_id;
3097                         fcport->loop_id = mb[1];
3098
3099                         DEBUG(printk("Fabric Login: port in use - next "
3100                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3101                             fcport->loop_id, fcport->d_id.b.domain,
3102                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3103
3104                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3105                         /*
3106                          * Login succeeded.
3107                          */
3108                         if (retry) {
3109                                 /* A retry occurred before. */
3110                                 *next_loopid = tmp_loopid;
3111                         } else {
3112                                 /*
3113                                  * No retry occurred before. Just increment the
3114                                  * ID value for next login.
3115                                  */
3116                                 *next_loopid = (fcport->loop_id + 1);
3117                         }
3118
3119                         if (mb[1] & BIT_0) {
3120                                 fcport->port_type = FCT_INITIATOR;
3121                         } else {
3122                                 fcport->port_type = FCT_TARGET;
3123                                 if (mb[1] & BIT_1) {
3124                                         fcport->flags |= FCF_TAPE_PRESENT;
3125                                 }
3126                         }
3127
3128                         if (mb[10] & BIT_0)
3129                                 fcport->supported_classes |= FC_COS_CLASS2;
3130                         if (mb[10] & BIT_1)
3131                                 fcport->supported_classes |= FC_COS_CLASS3;
3132
3133                         rval = QLA_SUCCESS;
3134                         break;
3135                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3136                         /*
3137                          * Loop ID already used, try next loop ID.
3138                          */
3139                         fcport->loop_id++;
3140                         rval = qla2x00_find_new_loop_id(vha, fcport);
3141                         if (rval != QLA_SUCCESS) {
3142                                 /* Ran out of loop IDs to use */
3143                                 break;
3144                         }
3145                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3146                         /*
3147                          * Firmware possibly timed out during login. If NO
3148                          * retries are left to do then the device is declared
3149                          * dead.
3150                          */
3151                         *next_loopid = fcport->loop_id;
3152                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3153                             fcport->d_id.b.domain, fcport->d_id.b.area,
3154                             fcport->d_id.b.al_pa);
3155                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3156
3157                         rval = 1;
3158                         break;
3159                 } else {
3160                         /*
3161                          * unrecoverable / not handled error
3162                          */
3163                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3164                             "loop_id=%x jiffies=%lx.\n",
3165                             __func__, vha->host_no, mb[0],
3166                             fcport->d_id.b.domain, fcport->d_id.b.area,
3167                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3168
3169                         *next_loopid = fcport->loop_id;
3170                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3171                             fcport->d_id.b.domain, fcport->d_id.b.area,
3172                             fcport->d_id.b.al_pa);
3173                         fcport->loop_id = FC_NO_LOOP_ID;
3174                         fcport->login_retry = 0;
3175
3176                         rval = 3;
3177                         break;
3178                 }
3179         }
3180
3181         return (rval);
3182 }
3183
3184 /*
3185  * qla2x00_local_device_login
3186  *      Issue local device login command.
3187  *
3188  * Input:
3189  *      ha = adapter block pointer.
3190  *      loop_id = loop id of device to login to.
3191  *
3192  * Returns (Where's the #define!!!!):
3193  *      0 - Login successfully
3194  *      1 - Login failed
3195  *      3 - Fatal error
3196  */
3197 int
3198 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3199 {
3200         int             rval;
3201         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3202
3203         memset(mb, 0, sizeof(mb));
3204         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3205         if (rval == QLA_SUCCESS) {
3206                 /* Interrogate mailbox registers for any errors */
3207                 if (mb[0] == MBS_COMMAND_ERROR)
3208                         rval = 1;
3209                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3210                         /* device not in PCB table */
3211                         rval = 3;
3212         }
3213
3214         return (rval);
3215 }
3216
3217 /*
3218  *  qla2x00_loop_resync
3219  *      Resync with fibre channel devices.
3220  *
3221  * Input:
3222  *      ha = adapter block pointer.
3223  *
3224  * Returns:
3225  *      0 = success
3226  */
3227 int
3228 qla2x00_loop_resync(scsi_qla_host_t *vha)
3229 {
3230         int rval = QLA_SUCCESS;
3231         uint32_t wait_time;
3232         struct qla_hw_data *ha = vha->hw;
3233         struct req_que *req = ha->req_q_map[vha->req_ques[0]];
3234         struct rsp_que *rsp = req->rsp;
3235
3236         atomic_set(&vha->loop_state, LOOP_UPDATE);
3237         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3238         if (vha->flags.online) {
3239                 if (!(rval = qla2x00_fw_ready(vha))) {
3240                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3241                         wait_time = 256;
3242                         do {
3243                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3244
3245                                 /* Issue a marker after FW becomes ready. */
3246                                 qla2x00_marker(vha, req, rsp, 0, 0,
3247                                         MK_SYNC_ALL);
3248                                 vha->marker_needed = 0;
3249
3250                                 /* Remap devices on Loop. */
3251                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3252
3253                                 qla2x00_configure_loop(vha);
3254                                 wait_time--;
3255                         } while (!atomic_read(&vha->loop_down_timer) &&
3256                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3257                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3258                                 &vha->dpc_flags)));
3259                 }
3260         }
3261
3262         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3263                 return (QLA_FUNCTION_FAILED);
3264
3265         if (rval)
3266                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3267
3268         return (rval);
3269 }
3270
3271 void
3272 qla2x00_update_fcports(scsi_qla_host_t *vha)
3273 {
3274         fc_port_t *fcport;
3275
3276         /* Go with deferred removal of rport references. */
3277         list_for_each_entry(fcport, &vha->vp_fcports, list)
3278                 if (fcport && fcport->drport &&
3279                     atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3280                         qla2x00_rport_del(fcport);
3281 }
3282
3283 /*
3284 *  qla2x00_abort_isp
3285 *      Resets ISP and aborts all outstanding commands.
3286 *
3287 * Input:
3288 *      ha           = adapter block pointer.
3289 *
3290 * Returns:
3291 *      0 = success
3292 */
3293 int
3294 qla2x00_abort_isp(scsi_qla_host_t *vha)
3295 {
3296         int rval;
3297         uint8_t        status = 0;
3298         struct qla_hw_data *ha = vha->hw;
3299         struct scsi_qla_host *vp;
3300         struct scsi_qla_host *tvp;
3301         struct req_que *req = ha->req_q_map[0];
3302
3303         if (vha->flags.online) {
3304                 vha->flags.online = 0;
3305                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3306                 ha->qla_stats.total_isp_aborts++;
3307
3308                 qla_printk(KERN_INFO, ha,
3309                     "Performing ISP error recovery - ha= %p.\n", ha);
3310                 ha->isp_ops->reset_chip(vha);
3311
3312                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3313                 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3314                         atomic_set(&vha->loop_state, LOOP_DOWN);
3315                         qla2x00_mark_all_devices_lost(vha, 0);
3316                         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
3317                                qla2x00_mark_all_devices_lost(vp, 0);
3318                 } else {
3319                         if (!atomic_read(&vha->loop_down_timer))
3320                                 atomic_set(&vha->loop_down_timer,
3321                                     LOOP_DOWN_TIME);
3322                 }
3323
3324                 /* Requeue all commands in outstanding command list. */
3325                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3326
3327                 ha->isp_ops->get_flash_version(vha, req->ring);
3328
3329                 ha->isp_ops->nvram_config(vha);
3330
3331                 if (!qla2x00_restart_isp(vha)) {
3332                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3333
3334                         if (!atomic_read(&vha->loop_down_timer)) {
3335                                 /*
3336                                  * Issue marker command only when we are going
3337                                  * to start the I/O .
3338                                  */
3339                                 vha->marker_needed = 1;
3340                         }
3341
3342                         vha->flags.online = 1;
3343
3344                         ha->isp_ops->enable_intrs(ha);
3345
3346                         ha->isp_abort_cnt = 0;
3347                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3348
3349                         if (ha->fce) {
3350                                 ha->flags.fce_enabled = 1;
3351                                 memset(ha->fce, 0,
3352                                     fce_calc_size(ha->fce_bufs));
3353                                 rval = qla2x00_enable_fce_trace(vha,
3354                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3355                                     &ha->fce_bufs);
3356                                 if (rval) {
3357                                         qla_printk(KERN_WARNING, ha,
3358                                             "Unable to reinitialize FCE "
3359                                             "(%d).\n", rval);
3360                                         ha->flags.fce_enabled = 0;
3361                                 }
3362                         }
3363
3364                         if (ha->eft) {
3365                                 memset(ha->eft, 0, EFT_SIZE);
3366                                 rval = qla2x00_enable_eft_trace(vha,
3367                                     ha->eft_dma, EFT_NUM_BUFFERS);
3368                                 if (rval) {
3369                                         qla_printk(KERN_WARNING, ha,
3370                                             "Unable to reinitialize EFT "
3371                                             "(%d).\n", rval);
3372                                 }
3373                         }
3374                 } else {        /* failed the ISP abort */
3375                         vha->flags.online = 1;
3376                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3377                                 if (ha->isp_abort_cnt == 0) {
3378                                         qla_printk(KERN_WARNING, ha,
3379                                             "ISP error recovery failed - "
3380                                             "board disabled\n");
3381                                         /*
3382                                          * The next call disables the board
3383                                          * completely.
3384                                          */
3385                                         ha->isp_ops->reset_adapter(vha);
3386                                         vha->flags.online = 0;
3387                                         clear_bit(ISP_ABORT_RETRY,
3388                                             &vha->dpc_flags);
3389                                         status = 0;
3390                                 } else { /* schedule another ISP abort */
3391                                         ha->isp_abort_cnt--;
3392                                         DEBUG(printk("qla%ld: ISP abort - "
3393                                             "retry remaining %d\n",
3394                                             vha->host_no, ha->isp_abort_cnt));
3395                                         status = 1;
3396                                 }
3397                         } else {
3398                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3399                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3400                                     "- retrying (%d) more times\n",
3401                                     vha->host_no, ha->isp_abort_cnt));
3402                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3403                                 status = 1;
3404                         }
3405                 }
3406
3407         }
3408
3409         if (!status) {
3410                 DEBUG(printk(KERN_INFO
3411                                 "qla2x00_abort_isp(%ld): succeeded.\n",
3412                                 vha->host_no));
3413                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
3414                         if (vp->vp_idx)
3415                                 qla2x00_vp_abort_isp(vp);
3416                 }
3417         } else {
3418                 qla_printk(KERN_INFO, ha,
3419                         "qla2x00_abort_isp: **** FAILED ****\n");
3420         }
3421
3422         return(status);
3423 }
3424
3425 /*
3426 *  qla2x00_restart_isp
3427 *      restarts the ISP after a reset
3428 *
3429 * Input:
3430 *      ha = adapter block pointer.
3431 *
3432 * Returns:
3433 *      0 = success
3434 */
3435 static int
3436 qla2x00_restart_isp(scsi_qla_host_t *vha)
3437 {
3438         int status = 0;
3439         uint32_t wait_time;
3440         struct qla_hw_data *ha = vha->hw;
3441         struct req_que *req = ha->req_q_map[0];
3442         struct rsp_que *rsp = ha->rsp_q_map[0];
3443
3444         /* If firmware needs to be loaded */
3445         if (qla2x00_isp_firmware(vha)) {
3446                 vha->flags.online = 0;
3447                 status = ha->isp_ops->chip_diag(vha);
3448                 if (!status)
3449                         status = qla2x00_setup_chip(vha);
3450         }
3451
3452         if (!status && !(status = qla2x00_init_rings(vha))) {
3453                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3454                 /* Initialize the queues in use */
3455                 qla25xx_init_queues(ha);
3456
3457                 status = qla2x00_fw_ready(vha);
3458                 if (!status) {
3459                         DEBUG(printk("%s(): Start configure loop, "
3460                             "status = %d\n", __func__, status));
3461
3462                         /* Issue a marker after FW becomes ready. */
3463                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3464
3465                         vha->flags.online = 1;
3466                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3467                         wait_time = 256;
3468                         do {
3469                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3470                                 qla2x00_configure_loop(vha);
3471                                 wait_time--;
3472                         } while (!atomic_read(&vha->loop_down_timer) &&
3473                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3474                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3475                                 &vha->dpc_flags)));
3476                 }
3477
3478                 /* if no cable then assume it's good */
3479                 if ((vha->device_flags & DFLG_NO_CABLE))
3480                         status = 0;
3481
3482                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3483                                 __func__,
3484                                 status));
3485         }
3486         return (status);
3487 }
3488
3489 static int
3490 qla25xx_init_queues(struct qla_hw_data *ha)
3491 {
3492         struct rsp_que *rsp = NULL;
3493         struct req_que *req = NULL;
3494         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3495         int ret = -1;
3496         int i;
3497
3498         for (i = 1; i < ha->max_queues; i++) {
3499                 rsp = ha->rsp_q_map[i];
3500                 if (rsp) {
3501                         rsp->options &= ~BIT_0;
3502                         ret = qla25xx_init_rsp_que(base_vha, rsp);
3503                         if (ret != QLA_SUCCESS)
3504                                 DEBUG2_17(printk(KERN_WARNING
3505                                         "%s Rsp que:%d init failed\n", __func__,
3506                                                 rsp->id));
3507                         else
3508                                 DEBUG2_17(printk(KERN_INFO
3509                                         "%s Rsp que:%d inited\n", __func__,
3510                                                 rsp->id));
3511                 }
3512                 req = ha->req_q_map[i];
3513                 if (req) {
3514                 /* Clear outstanding commands array. */
3515                         req->options &= ~BIT_0;
3516                         ret = qla25xx_init_req_que(base_vha, req);
3517                         if (ret != QLA_SUCCESS)
3518                                 DEBUG2_17(printk(KERN_WARNING
3519                                         "%s Req que:%d init failed\n", __func__,
3520                                                 req->id));
3521                         else
3522                                 DEBUG2_17(printk(KERN_WARNING
3523                                         "%s Req que:%d inited\n", __func__,
3524                                                 req->id));
3525                 }
3526         }
3527         return ret;
3528 }
3529
3530 /*
3531 * qla2x00_reset_adapter
3532 *      Reset adapter.
3533 *
3534 * Input:
3535 *      ha = adapter block pointer.
3536 */
3537 void
3538 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3539 {
3540         unsigned long flags = 0;
3541         struct qla_hw_data *ha = vha->hw;
3542         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3543
3544         vha->flags.online = 0;
3545         ha->isp_ops->disable_intrs(ha);
3546
3547         spin_lock_irqsave(&ha->hardware_lock, flags);
3548         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3549         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3550         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3551         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3552         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3553 }
3554
3555 void
3556 qla24xx_reset_adapter(scsi_qla_host_t *vha)
3557 {
3558         unsigned long flags = 0;
3559         struct qla_hw_data *ha = vha->hw;
3560         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3561
3562         vha->flags.online = 0;
3563         ha->isp_ops->disable_intrs(ha);
3564
3565         spin_lock_irqsave(&ha->hardware_lock, flags);
3566         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3567         RD_REG_DWORD(&reg->hccr);
3568         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3569         RD_REG_DWORD(&reg->hccr);
3570         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3571
3572         if (IS_NOPOLLING_TYPE(ha))
3573                 ha->isp_ops->enable_intrs(ha);
3574 }
3575
3576 /* On sparc systems, obtain port and node WWN from firmware
3577  * properties.
3578  */
3579 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3580         struct nvram_24xx *nv)
3581 {
3582 #ifdef CONFIG_SPARC
3583         struct qla_hw_data *ha = vha->hw;
3584         struct pci_dev *pdev = ha->pdev;
3585         struct device_node *dp = pci_device_to_OF_node(pdev);
3586         const u8 *val;
3587         int len;
3588
3589         val = of_get_property(dp, "port-wwn", &len);
3590         if (val && len >= WWN_SIZE)
3591                 memcpy(nv->port_name, val, WWN_SIZE);
3592
3593         val = of_get_property(dp, "node-wwn", &len);
3594         if (val && len >= WWN_SIZE)
3595                 memcpy(nv->node_name, val, WWN_SIZE);
3596 #endif
3597 }
3598
3599 int
3600 qla24xx_nvram_config(scsi_qla_host_t *vha)
3601 {
3602         int   rval;
3603         struct init_cb_24xx *icb;
3604         struct nvram_24xx *nv;
3605         uint32_t *dptr;
3606         uint8_t  *dptr1, *dptr2;
3607         uint32_t chksum;
3608         uint16_t cnt;
3609         struct qla_hw_data *ha = vha->hw;
3610
3611         rval = QLA_SUCCESS;
3612         icb = (struct init_cb_24xx *)ha->init_cb;
3613         nv = ha->nvram;
3614
3615         /* Determine NVRAM starting address. */
3616         ha->nvram_size = sizeof(struct nvram_24xx);
3617         ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3618         ha->vpd_size = FA_NVRAM_VPD_SIZE;
3619         ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3620         if (PCI_FUNC(ha->pdev->devfn)) {
3621                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3622                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3623         }
3624
3625         /* Get VPD data into cache */
3626         ha->vpd = ha->nvram + VPD_OFFSET;
3627         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3628             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3629
3630         /* Get NVRAM data into cache and calculate checksum. */
3631         dptr = (uint32_t *)nv;
3632         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3633             ha->nvram_size);
3634         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3635                 chksum += le32_to_cpu(*dptr++);
3636
3637         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3638         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3639
3640         /* Bad NVRAM data, set defaults parameters. */
3641         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3642             || nv->id[3] != ' ' ||
3643             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3644                 /* Reset NVRAM data. */
3645                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3646                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3647                     le16_to_cpu(nv->nvram_version));
3648                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3649                     "invalid -- WWPN) defaults.\n");
3650
3651                 /*
3652                  * Set default initialization control block.
3653                  */
3654                 memset(nv, 0, ha->nvram_size);
3655                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3656                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3657                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3658                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3659                 nv->exchange_count = __constant_cpu_to_le16(0);
3660                 nv->hard_address = __constant_cpu_to_le16(124);
3661                 nv->port_name[0] = 0x21;
3662                 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3663                 nv->port_name[2] = 0x00;
3664                 nv->port_name[3] = 0xe0;
3665                 nv->port_name[4] = 0x8b;
3666                 nv->port_name[5] = 0x1c;
3667                 nv->port_name[6] = 0x55;
3668                 nv->port_name[7] = 0x86;
3669                 nv->node_name[0] = 0x20;
3670                 nv->node_name[1] = 0x00;
3671                 nv->node_name[2] = 0x00;
3672                 nv->node_name[3] = 0xe0;
3673                 nv->node_name[4] = 0x8b;
3674                 nv->node_name[5] = 0x1c;
3675                 nv->node_name[6] = 0x55;
3676                 nv->node_name[7] = 0x86;
3677                 qla24xx_nvram_wwn_from_ofw(vha, nv);
3678                 nv->login_retry_count = __constant_cpu_to_le16(8);
3679                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3680                 nv->login_timeout = __constant_cpu_to_le16(0);
3681                 nv->firmware_options_1 =
3682                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3683                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3684                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3685                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3686                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3687                 nv->efi_parameters = __constant_cpu_to_le32(0);
3688                 nv->reset_delay = 5;
3689                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3690                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3691                 nv->link_down_timeout = __constant_cpu_to_le16(30);
3692
3693                 rval = 1;
3694         }
3695
3696         /* Reset Initialization control block */
3697         memset(icb, 0, ha->init_cb_size);
3698
3699         /* Copy 1st segment. */
3700         dptr1 = (uint8_t *)icb;
3701         dptr2 = (uint8_t *)&nv->version;
3702         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3703         while (cnt--)
3704                 *dptr1++ = *dptr2++;
3705
3706         icb->login_retry_count = nv->login_retry_count;
3707         icb->link_down_on_nos = nv->link_down_on_nos;
3708
3709         /* Copy 2nd segment. */
3710         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3711         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3712         cnt = (uint8_t *)&icb->reserved_3 -
3713             (uint8_t *)&icb->interrupt_delay_timer;
3714         while (cnt--)
3715                 *dptr1++ = *dptr2++;
3716
3717         /*
3718          * Setup driver NVRAM options.
3719          */
3720         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
3721             "QLA2462");
3722
3723         /* Use alternate WWN? */
3724         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3725                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3726                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3727         }
3728
3729         /* Prepare nodename */
3730         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3731                 /*
3732                  * Firmware will apply the following mask if the nodename was
3733                  * not provided.
3734                  */
3735                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3736                 icb->node_name[0] &= 0xF0;
3737         }
3738
3739         /* Set host adapter parameters. */
3740         ha->flags.disable_risc_code_load = 0;
3741         ha->flags.enable_lip_reset = 0;
3742         ha->flags.enable_lip_full_login =
3743             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3744         ha->flags.enable_target_reset =
3745             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3746         ha->flags.enable_led_scheme = 0;
3747         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3748
3749         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3750             (BIT_6 | BIT_5 | BIT_4)) >> 4;
3751
3752         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3753             sizeof(ha->fw_seriallink_options24));
3754
3755         /* save HBA serial number */
3756         ha->serial0 = icb->port_name[5];
3757         ha->serial1 = icb->port_name[6];
3758         ha->serial2 = icb->port_name[7];
3759         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3760         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
3761
3762         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3763
3764         ha->retry_count = le16_to_cpu(nv->login_retry_count);
3765
3766         /* Set minimum login_timeout to 4 seconds. */
3767         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3768                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3769         if (le16_to_cpu(nv->login_timeout) < 4)
3770                 nv->login_timeout = __constant_cpu_to_le16(4);
3771         ha->login_timeout = le16_to_cpu(nv->login_timeout);
3772         icb->login_timeout = nv->login_timeout;
3773
3774         /* Set minimum RATOV to 100 tenths of a second. */
3775         ha->r_a_tov = 100;
3776
3777         ha->loop_reset_delay = nv->reset_delay;
3778
3779         /* Link Down Timeout = 0:
3780          *
3781          *      When Port Down timer expires we will start returning
3782          *      I/O's to OS with "DID_NO_CONNECT".
3783          *
3784          * Link Down Timeout != 0:
3785          *
3786          *       The driver waits for the link to come up after link down
3787          *       before returning I/Os to OS with "DID_NO_CONNECT".
3788          */
3789         if (le16_to_cpu(nv->link_down_timeout) == 0) {
3790                 ha->loop_down_abort_time =
3791                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3792         } else {
3793                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3794                 ha->loop_down_abort_time =
3795                     (LOOP_DOWN_TIME - ha->link_down_timeout);
3796         }
3797
3798         /* Need enough time to try and get the port back. */
3799         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3800         if (qlport_down_retry)
3801                 ha->port_down_retry_count = qlport_down_retry;
3802
3803         /* Set login_retry_count */
3804         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
3805         if (ha->port_down_retry_count ==
3806             le16_to_cpu(nv->port_down_retry_count) &&
3807             ha->port_down_retry_count > 3)
3808                 ha->login_retry_count = ha->port_down_retry_count;
3809         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3810                 ha->login_retry_count = ha->port_down_retry_count;
3811         if (ql2xloginretrycount)
3812                 ha->login_retry_count = ql2xloginretrycount;
3813
3814         /* Enable ZIO. */
3815         if (!vha->flags.init_done) {
3816                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3817                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3818                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3819                     le16_to_cpu(icb->interrupt_delay_timer): 2;
3820         }
3821         icb->firmware_options_2 &= __constant_cpu_to_le32(
3822             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3823         vha->flags.process_response_queue = 0;
3824         if (ha->zio_mode != QLA_ZIO_DISABLED) {
3825                 ha->zio_mode = QLA_ZIO_MODE_6;
3826
3827                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3828                     "(%d us).\n", vha->host_no, ha->zio_mode,
3829                     ha->zio_timer * 100));
3830                 qla_printk(KERN_INFO, ha,
3831                     "ZIO mode %d enabled; timer delay (%d us).\n",
3832                     ha->zio_mode, ha->zio_timer * 100);
3833
3834                 icb->firmware_options_2 |= cpu_to_le32(
3835                     (uint32_t)ha->zio_mode);
3836                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3837                 vha->flags.process_response_queue = 1;
3838         }
3839
3840         if (rval) {
3841                 DEBUG2_3(printk(KERN_WARNING
3842                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
3843         }
3844         return (rval);
3845 }
3846
3847 static int
3848 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3849 {
3850         int     rval = QLA_SUCCESS;
3851         int     segments, fragment;
3852         uint32_t faddr;
3853         uint32_t *dcode, dlen;
3854         uint32_t risc_addr;
3855         uint32_t risc_size;
3856         uint32_t i;
3857         struct qla_hw_data *ha = vha->hw;
3858         struct req_que *req = ha->req_q_map[0];
3859
3860         qla_printk(KERN_INFO, ha,
3861             "FW: Loading from flash (%x)...\n", ha->flt_region_fw);
3862
3863         rval = QLA_SUCCESS;
3864
3865         segments = FA_RISC_CODE_SEGMENTS;
3866         faddr = ha->flt_region_fw;
3867         dcode = (uint32_t *)req->ring;
3868         *srisc_addr = 0;
3869
3870         /* Validate firmware image by checking version. */
3871         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
3872         for (i = 0; i < 4; i++)
3873                 dcode[i] = be32_to_cpu(dcode[i]);
3874         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3875             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3876             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3877                 dcode[3] == 0)) {
3878                 qla_printk(KERN_WARNING, ha,
3879                     "Unable to verify integrity of flash firmware image!\n");
3880                 qla_printk(KERN_WARNING, ha,
3881                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3882                     dcode[1], dcode[2], dcode[3]);
3883
3884                 return QLA_FUNCTION_FAILED;
3885         }
3886
3887         while (segments && rval == QLA_SUCCESS) {
3888                 /* Read segment's load information. */
3889                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
3890
3891                 risc_addr = be32_to_cpu(dcode[2]);
3892                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3893                 risc_size = be32_to_cpu(dcode[3]);
3894
3895                 fragment = 0;
3896                 while (risc_size > 0 && rval == QLA_SUCCESS) {
3897                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3898                         if (dlen > risc_size)
3899                                 dlen = risc_size;
3900
3901                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3902                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3903                             vha->host_no, risc_addr, dlen, faddr));
3904
3905                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
3906                         for (i = 0; i < dlen; i++)
3907                                 dcode[i] = swab32(dcode[i]);
3908
3909                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
3910                             dlen);
3911                         if (rval) {
3912                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3913                                     "segment %d of firmware\n", vha->host_no,
3914                                     fragment));
3915                                 qla_printk(KERN_WARNING, ha,
3916                                     "[ERROR] Failed to load segment %d of "
3917                                     "firmware\n", fragment);
3918                                 break;
3919                         }
3920
3921                         faddr += dlen;
3922                         risc_addr += dlen;
3923                         risc_size -= dlen;
3924                         fragment++;
3925                 }
3926
3927                 /* Next segment. */
3928                 segments--;
3929         }
3930
3931         return rval;
3932 }
3933
3934 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3935
3936 int
3937 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3938 {
3939         int     rval;
3940         int     i, fragment;
3941         uint16_t *wcode, *fwcode;
3942         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3943         struct fw_blob *blob;
3944         struct qla_hw_data *ha = vha->hw;
3945         struct req_que *req = ha->req_q_map[0];
3946
3947         /* Load firmware blob. */
3948         blob = qla2x00_request_firmware(vha);
3949         if (!blob) {
3950                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3951                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3952                     "from: " QLA_FW_URL ".\n");
3953                 return QLA_FUNCTION_FAILED;
3954         }
3955
3956         rval = QLA_SUCCESS;
3957
3958         wcode = (uint16_t *)req->ring;
3959         *srisc_addr = 0;
3960         fwcode = (uint16_t *)blob->fw->data;
3961         fwclen = 0;
3962
3963         /* Validate firmware image by checking version. */
3964         if (blob->fw->size < 8 * sizeof(uint16_t)) {
3965                 qla_printk(KERN_WARNING, ha,
3966                     "Unable to verify integrity of firmware image (%Zd)!\n",
3967                     blob->fw->size);
3968                 goto fail_fw_integrity;
3969         }
3970         for (i = 0; i < 4; i++)
3971                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3972         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3973             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3974                 wcode[2] == 0 && wcode[3] == 0)) {
3975                 qla_printk(KERN_WARNING, ha,
3976                     "Unable to verify integrity of firmware image!\n");
3977                 qla_printk(KERN_WARNING, ha,
3978                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3979                     wcode[1], wcode[2], wcode[3]);
3980                 goto fail_fw_integrity;
3981         }
3982
3983         seg = blob->segs;
3984         while (*seg && rval == QLA_SUCCESS) {
3985                 risc_addr = *seg;
3986                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3987                 risc_size = be16_to_cpu(fwcode[3]);
3988
3989                 /* Validate firmware image size. */
3990                 fwclen += risc_size * sizeof(uint16_t);
3991                 if (blob->fw->size < fwclen) {
3992                         qla_printk(KERN_WARNING, ha,
3993                             "Unable to verify integrity of firmware image "
3994                             "(%Zd)!\n", blob->fw->size);
3995                         goto fail_fw_integrity;
3996                 }
3997
3998                 fragment = 0;
3999                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4000                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4001                         if (wlen > risc_size)
4002                                 wlen = risc_size;
4003
4004                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4005                             "addr %x, number of words 0x%x.\n", vha->host_no,
4006                             risc_addr, wlen));
4007
4008                         for (i = 0; i < wlen; i++)
4009                                 wcode[i] = swab16(fwcode[i]);
4010
4011                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4012                             wlen);
4013                         if (rval) {
4014                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4015                                     "segment %d of firmware\n", vha->host_no,
4016                                     fragment));
4017                                 qla_printk(KERN_WARNING, ha,
4018                                     "[ERROR] Failed to load segment %d of "
4019                                     "firmware\n", fragment);
4020                                 break;
4021                         }
4022
4023                         fwcode += wlen;
4024                         risc_addr += wlen;
4025                         risc_size -= wlen;
4026                         fragment++;
4027                 }
4028
4029                 /* Next segment. */
4030                 seg++;
4031         }
4032         return rval;
4033
4034 fail_fw_integrity:
4035         return QLA_FUNCTION_FAILED;
4036 }
4037
4038 static int
4039 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4040 {
4041         int     rval;
4042         int     segments, fragment;
4043         uint32_t *dcode, dlen;
4044         uint32_t risc_addr;
4045         uint32_t risc_size;
4046         uint32_t i;
4047         struct fw_blob *blob;
4048         uint32_t *fwcode, fwclen;
4049         struct qla_hw_data *ha = vha->hw;
4050         struct req_que *req = ha->req_q_map[0];
4051
4052         /* Load firmware blob. */
4053         blob = qla2x00_request_firmware(vha);
4054         if (!blob) {
4055                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4056                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4057                     "from: " QLA_FW_URL ".\n");
4058
4059                 return QLA_FUNCTION_FAILED;
4060         }
4061
4062         qla_printk(KERN_INFO, ha,
4063             "FW: Loading via request-firmware...\n");
4064
4065         rval = QLA_SUCCESS;
4066
4067         segments = FA_RISC_CODE_SEGMENTS;
4068         dcode = (uint32_t *)req->ring;
4069         *srisc_addr = 0;
4070         fwcode = (uint32_t *)blob->fw->data;
4071         fwclen = 0;
4072
4073         /* Validate firmware image by checking version. */
4074         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4075                 qla_printk(KERN_WARNING, ha,
4076                     "Unable to verify integrity of firmware image (%Zd)!\n",
4077                     blob->fw->size);
4078                 goto fail_fw_integrity;
4079         }
4080         for (i = 0; i < 4; i++)
4081                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4082         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4083             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4084             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4085                 dcode[3] == 0)) {
4086                 qla_printk(KERN_WARNING, ha,
4087                     "Unable to verify integrity of firmware image!\n");
4088                 qla_printk(KERN_WARNING, ha,
4089                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4090                     dcode[1], dcode[2], dcode[3]);
4091                 goto fail_fw_integrity;
4092         }
4093
4094         while (segments && rval == QLA_SUCCESS) {
4095                 risc_addr = be32_to_cpu(fwcode[2]);
4096                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4097                 risc_size = be32_to_cpu(fwcode[3]);
4098
4099                 /* Validate firmware image size. */
4100                 fwclen += risc_size * sizeof(uint32_t);
4101                 if (blob->fw->size < fwclen) {
4102                         qla_printk(KERN_WARNING, ha,
4103                             "Unable to verify integrity of firmware image "
4104                             "(%Zd)!\n", blob->fw->size);
4105
4106                         goto fail_fw_integrity;
4107                 }
4108
4109                 fragment = 0;
4110                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4111                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4112                         if (dlen > risc_size)
4113                                 dlen = risc_size;
4114
4115                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4116                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4117                             risc_addr, dlen));
4118
4119                         for (i = 0; i < dlen; i++)
4120                                 dcode[i] = swab32(fwcode[i]);
4121
4122                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4123                             dlen);
4124                         if (rval) {
4125                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4126                                     "segment %d of firmware\n", vha->host_no,
4127                                     fragment));
4128                                 qla_printk(KERN_WARNING, ha,
4129                                     "[ERROR] Failed to load segment %d of "
4130                                     "firmware\n", fragment);
4131                                 break;
4132                         }
4133
4134                         fwcode += dlen;
4135                         risc_addr += dlen;
4136                         risc_size -= dlen;
4137                         fragment++;
4138                 }
4139
4140                 /* Next segment. */
4141                 segments--;
4142         }
4143         return rval;
4144
4145 fail_fw_integrity:
4146         return QLA_FUNCTION_FAILED;
4147 }
4148
4149 int
4150 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4151 {
4152         int rval;
4153
4154         /*
4155          * FW Load priority:
4156          * 1) Firmware via request-firmware interface (.bin file).
4157          * 2) Firmware residing in flash.
4158          */
4159         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4160         if (rval == QLA_SUCCESS)
4161                 return rval;
4162
4163         return qla24xx_load_risc_flash(vha, srisc_addr);
4164 }
4165
4166 int
4167 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4168 {
4169         int rval;
4170
4171         /*
4172          * FW Load priority:
4173          * 1) Firmware residing in flash.
4174          * 2) Firmware via request-firmware interface (.bin file).
4175          */
4176         rval = qla24xx_load_risc_flash(vha, srisc_addr);
4177         if (rval == QLA_SUCCESS)
4178                 return rval;
4179
4180         return qla24xx_load_risc_blob(vha, srisc_addr);
4181 }
4182
4183 void
4184 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4185 {
4186         int ret, retries;
4187         struct qla_hw_data *ha = vha->hw;
4188
4189         if (!IS_FWI2_CAPABLE(ha))
4190                 return;
4191         if (!ha->fw_major_version)
4192                 return;
4193
4194         ret = qla2x00_stop_firmware(vha);
4195         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4196             retries ; retries--) {
4197                 ha->isp_ops->reset_chip(vha);
4198                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4199                         continue;
4200                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4201                         continue;
4202                 qla_printk(KERN_INFO, ha,
4203                     "Attempting retry of stop-firmware command...\n");
4204                 ret = qla2x00_stop_firmware(vha);
4205         }
4206 }
4207
4208 int
4209 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4210 {
4211         int rval = QLA_SUCCESS;
4212         uint16_t mb[MAILBOX_REGISTER_COUNT];
4213         struct qla_hw_data *ha = vha->hw;
4214         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4215         struct req_que *req = ha->req_q_map[vha->req_ques[0]];
4216         struct rsp_que *rsp = req->rsp;
4217
4218         if (!vha->vp_idx)
4219                 return -EINVAL;
4220
4221         rval = qla2x00_fw_ready(base_vha);
4222         if (rval == QLA_SUCCESS) {
4223                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4224                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4225         }
4226
4227         vha->flags.management_server_logged_in = 0;
4228
4229         /* Login to SNS first */
4230         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4231         if (mb[0] != MBS_COMMAND_COMPLETE) {
4232                 DEBUG15(qla_printk(KERN_INFO, ha,
4233                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4234                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4235                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4236                 return (QLA_FUNCTION_FAILED);
4237         }
4238
4239         atomic_set(&vha->loop_down_timer, 0);
4240         atomic_set(&vha->loop_state, LOOP_UP);
4241         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4242         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4243         rval = qla2x00_loop_resync(base_vha);
4244
4245         return rval;
4246 }
4247
4248 /* 84XX Support **************************************************************/
4249
4250 static LIST_HEAD(qla_cs84xx_list);
4251 static DEFINE_MUTEX(qla_cs84xx_mutex);
4252
4253 static struct qla_chip_state_84xx *
4254 qla84xx_get_chip(struct scsi_qla_host *vha)
4255 {
4256         struct qla_chip_state_84xx *cs84xx;
4257         struct qla_hw_data *ha = vha->hw;
4258
4259         mutex_lock(&qla_cs84xx_mutex);
4260
4261         /* Find any shared 84xx chip. */
4262         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4263                 if (cs84xx->bus == ha->pdev->bus) {
4264                         kref_get(&cs84xx->kref);
4265                         goto done;
4266                 }
4267         }
4268
4269         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4270         if (!cs84xx)
4271                 goto done;
4272
4273         kref_init(&cs84xx->kref);
4274         spin_lock_init(&cs84xx->access_lock);
4275         mutex_init(&cs84xx->fw_update_mutex);
4276         cs84xx->bus = ha->pdev->bus;
4277
4278         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4279 done:
4280         mutex_unlock(&qla_cs84xx_mutex);
4281         return cs84xx;
4282 }
4283
4284 static void
4285 __qla84xx_chip_release(struct kref *kref)
4286 {
4287         struct qla_chip_state_84xx *cs84xx =
4288             container_of(kref, struct qla_chip_state_84xx, kref);
4289
4290         mutex_lock(&qla_cs84xx_mutex);
4291         list_del(&cs84xx->list);
4292         mutex_unlock(&qla_cs84xx_mutex);
4293         kfree(cs84xx);
4294 }
4295
4296 void
4297 qla84xx_put_chip(struct scsi_qla_host *vha)
4298 {
4299         struct qla_hw_data *ha = vha->hw;
4300         if (ha->cs84xx)
4301                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4302 }
4303
4304 static int
4305 qla84xx_init_chip(scsi_qla_host_t *vha)
4306 {
4307         int rval;
4308         uint16_t status[2];
4309         struct qla_hw_data *ha = vha->hw;
4310
4311         mutex_lock(&ha->cs84xx->fw_update_mutex);
4312
4313         rval = qla84xx_verify_chip(vha, status);
4314
4315         mutex_unlock(&ha->cs84xx->fw_update_mutex);
4316
4317         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4318             QLA_SUCCESS;
4319 }
4320
4321 /* 81XX Support **************************************************************/
4322
4323 int
4324 qla81xx_nvram_config(scsi_qla_host_t *vha)
4325 {
4326         int   rval;
4327         struct init_cb_81xx *icb;
4328         struct nvram_81xx *nv;
4329         uint32_t *dptr;
4330         uint8_t  *dptr1, *dptr2;
4331         uint32_t chksum;
4332         uint16_t cnt;
4333         struct qla_hw_data *ha = vha->hw;
4334
4335         rval = QLA_SUCCESS;
4336         icb = (struct init_cb_81xx *)ha->init_cb;
4337         nv = ha->nvram;
4338
4339         /* Determine NVRAM starting address. */
4340         ha->nvram_size = sizeof(struct nvram_81xx);
4341         ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4342         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4343         ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4344         if (PCI_FUNC(ha->pdev->devfn) & 1) {
4345                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4346                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4347         }
4348
4349         /* Get VPD data into cache */
4350         ha->vpd = ha->nvram + VPD_OFFSET;
4351         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4352             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4353
4354         /* Get NVRAM data into cache and calculate checksum. */
4355         dptr = (uint32_t *)nv;
4356         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4357             ha->nvram_size);
4358         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4359                 chksum += le32_to_cpu(*dptr++);
4360
4361         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
4362         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4363
4364         /* Bad NVRAM data, set defaults parameters. */
4365         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4366             || nv->id[3] != ' ' ||
4367             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4368                 /* Reset NVRAM data. */
4369                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4370                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4371                     le16_to_cpu(nv->nvram_version));
4372                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4373                     "invalid -- WWPN) defaults.\n");
4374
4375                 /*
4376                  * Set default initialization control block.
4377                  */
4378                 memset(nv, 0, ha->nvram_size);
4379                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4380                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4381                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4382                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4383                 nv->exchange_count = __constant_cpu_to_le16(0);
4384                 nv->port_name[0] = 0x21;
4385                 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
4386                 nv->port_name[2] = 0x00;
4387                 nv->port_name[3] = 0xe0;
4388                 nv->port_name[4] = 0x8b;
4389                 nv->port_name[5] = 0x1c;
4390                 nv->port_name[6] = 0x55;
4391                 nv->port_name[7] = 0x86;
4392                 nv->node_name[0] = 0x20;
4393                 nv->node_name[1] = 0x00;
4394                 nv->node_name[2] = 0x00;
4395                 nv->node_name[3] = 0xe0;
4396                 nv->node_name[4] = 0x8b;
4397                 nv->node_name[5] = 0x1c;
4398                 nv->node_name[6] = 0x55;
4399                 nv->node_name[7] = 0x86;
4400                 nv->login_retry_count = __constant_cpu_to_le16(8);
4401                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4402                 nv->login_timeout = __constant_cpu_to_le16(0);
4403                 nv->firmware_options_1 =
4404                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4405                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4406                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4407                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4408                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4409                 nv->efi_parameters = __constant_cpu_to_le32(0);
4410                 nv->reset_delay = 5;
4411                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4412                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4413                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4414                 nv->enode_mac[0] = 0x01;
4415                 nv->enode_mac[1] = 0x02;
4416                 nv->enode_mac[2] = 0x03;
4417                 nv->enode_mac[3] = 0x04;
4418                 nv->enode_mac[4] = 0x05;
4419                 nv->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4420
4421                 rval = 1;
4422         }
4423
4424         /* Reset Initialization control block */
4425         memset(icb, 0, sizeof(struct init_cb_81xx));
4426
4427         /* Copy 1st segment. */
4428         dptr1 = (uint8_t *)icb;
4429         dptr2 = (uint8_t *)&nv->version;
4430         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4431         while (cnt--)
4432                 *dptr1++ = *dptr2++;
4433
4434         icb->login_retry_count = nv->login_retry_count;
4435
4436         /* Copy 2nd segment. */
4437         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4438         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4439         cnt = (uint8_t *)&icb->reserved_5 -
4440             (uint8_t *)&icb->interrupt_delay_timer;
4441         while (cnt--)
4442                 *dptr1++ = *dptr2++;
4443
4444         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4445         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4446         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4447                 icb->enode_mac[0] = 0x01;
4448                 icb->enode_mac[1] = 0x02;
4449                 icb->enode_mac[2] = 0x03;
4450                 icb->enode_mac[3] = 0x04;
4451                 icb->enode_mac[4] = 0x05;
4452                 icb->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4453         }
4454
4455         /*
4456          * Setup driver NVRAM options.
4457          */
4458         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4459             "QLE81XX");
4460
4461         /* Use alternate WWN? */
4462         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4463                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4464                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4465         }
4466
4467         /* Prepare nodename */
4468         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4469                 /*
4470                  * Firmware will apply the following mask if the nodename was
4471                  * not provided.
4472                  */
4473                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4474                 icb->node_name[0] &= 0xF0;
4475         }
4476
4477         /* Set host adapter parameters. */
4478         ha->flags.disable_risc_code_load = 0;
4479         ha->flags.enable_lip_reset = 0;
4480         ha->flags.enable_lip_full_login =
4481             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4482         ha->flags.enable_target_reset =
4483             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4484         ha->flags.enable_led_scheme = 0;
4485         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4486
4487         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4488             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4489
4490         /* save HBA serial number */
4491         ha->serial0 = icb->port_name[5];
4492         ha->serial1 = icb->port_name[6];
4493         ha->serial2 = icb->port_name[7];
4494         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4495         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4496
4497         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4498
4499         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4500
4501         /* Set minimum login_timeout to 4 seconds. */
4502         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4503                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4504         if (le16_to_cpu(nv->login_timeout) < 4)
4505                 nv->login_timeout = __constant_cpu_to_le16(4);
4506         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4507         icb->login_timeout = nv->login_timeout;
4508
4509         /* Set minimum RATOV to 100 tenths of a second. */
4510         ha->r_a_tov = 100;
4511
4512         ha->loop_reset_delay = nv->reset_delay;
4513
4514         /* Link Down Timeout = 0:
4515          *
4516          *      When Port Down timer expires we will start returning
4517          *      I/O's to OS with "DID_NO_CONNECT".
4518          *
4519          * Link Down Timeout != 0:
4520          *
4521          *       The driver waits for the link to come up after link down
4522          *       before returning I/Os to OS with "DID_NO_CONNECT".
4523          */
4524         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4525                 ha->loop_down_abort_time =
4526                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4527         } else {
4528                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4529                 ha->loop_down_abort_time =
4530                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4531         }
4532
4533         /* Need enough time to try and get the port back. */
4534         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4535         if (qlport_down_retry)
4536                 ha->port_down_retry_count = qlport_down_retry;
4537
4538         /* Set login_retry_count */
4539         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4540         if (ha->port_down_retry_count ==
4541             le16_to_cpu(nv->port_down_retry_count) &&
4542             ha->port_down_retry_count > 3)
4543                 ha->login_retry_count = ha->port_down_retry_count;
4544         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4545                 ha->login_retry_count = ha->port_down_retry_count;
4546         if (ql2xloginretrycount)
4547                 ha->login_retry_count = ql2xloginretrycount;
4548
4549         /* Enable ZIO. */
4550         if (!vha->flags.init_done) {
4551                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4552                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4553                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4554                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4555         }
4556         icb->firmware_options_2 &= __constant_cpu_to_le32(
4557             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4558         vha->flags.process_response_queue = 0;
4559         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4560                 ha->zio_mode = QLA_ZIO_MODE_6;
4561
4562                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4563                     "(%d us).\n", vha->host_no, ha->zio_mode,
4564                     ha->zio_timer * 100));
4565                 qla_printk(KERN_INFO, ha,
4566                     "ZIO mode %d enabled; timer delay (%d us).\n",
4567                     ha->zio_mode, ha->zio_timer * 100);
4568
4569                 icb->firmware_options_2 |= cpu_to_le32(
4570                     (uint32_t)ha->zio_mode);
4571                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4572                 vha->flags.process_response_queue = 1;
4573         }
4574
4575         if (rval) {
4576                 DEBUG2_3(printk(KERN_WARNING
4577                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4578         }
4579         return (rval);
4580 }
4581
4582 void
4583 qla81xx_update_fw_options(scsi_qla_host_t *ha)
4584 {
4585 }