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