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
   9 #include <linux/delay.h>
  10 #include <linux/vmalloc.h>
  11
  12 #include "qla_devtbl.h"
  13
  14 #ifdef CONFIG_SPARC
  15 #include <asm/prom.h>
  16 #endif
  17
  18 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
  19 #ifndef EXT_IS_LUN_BIT_SET
  20 #define EXT_IS_LUN_BIT_SET(P,L) \
  21     (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
  22 #define EXT_SET_LUN_BIT(P,L) \
  23     ((P)->mask[L/8] |= (0x80 >> (L%8)))
  24 #endif
  25
  26 /*
  27 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  28 */
  29 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  30 static void qla2x00_resize_request_q(scsi_qla_host_t *);
  31 static int qla2x00_setup_chip(scsi_qla_host_t *);
  32 static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
  33 static int qla2x00_init_rings(scsi_qla_host_t *);
  34 static int qla2x00_fw_ready(scsi_qla_host_t *);
  35 static int qla2x00_configure_hba(scsi_qla_host_t *);
  36 static int qla2x00_configure_loop(scsi_qla_host_t *);
  37 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  38 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  39 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  40 static int qla2x00_device_resync(scsi_qla_host_t *);
  41 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  42     uint16_t *);
  43
  44 static int qla2x00_restart_isp(scsi_qla_host_t *);
  45
  46 static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
  47
  48 /****************************************************************************/
  49 /*                QLogic ISP2x00 Hardware Support Functions.                */
  50 /****************************************************************************/
  51
  52 /*
  53 * qla2x00_initialize_adapter
  54 *      Initialize board.
  55 *
  56 * Input:
  57 *      ha = adapter block pointer.
  58 *
  59 * Returns:
  60 *      0 = success
  61 */
  62 int
  63 qla2x00_initialize_adapter(scsi_qla_host_t *ha)
  64 {
  65         int     rval;
  66
  67         /* Clear adapter flags. */
  68         ha->flags.online = 0;
  69         ha->flags.reset_active = 0;
  70         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
  71         atomic_set(&ha->loop_state, LOOP_DOWN);
  72         ha->device_flags = DFLG_NO_CABLE;
  73         ha->dpc_flags = 0;
  74         ha->flags.management_server_logged_in = 0;
  75         ha->marker_needed = 0;
  76         ha->mbx_flags = 0;
  77         ha->isp_abort_cnt = 0;
  78         ha->beacon_blink_led = 0;
  79         set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
  80
  81         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
  82         rval = ha->isp_ops->pci_config(ha);
  83         if (rval) {
  84                 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
  85                     ha->host_no));
  86                 return (rval);
  87         }
  88
  89         ha->isp_ops->reset_chip(ha);
  90
  91         ha->isp_ops->get_flash_version(ha, ha->request_ring);
  92
  93         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
  94
  95         ha->isp_ops->nvram_config(ha);
  96
  97         if (ha->flags.disable_serdes) {
  98                 /* Mask HBA via NVRAM settings? */
  99                 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
 100                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 101                     ha->port_name[0], ha->port_name[1],
 102                     ha->port_name[2], ha->port_name[3],
 103                     ha->port_name[4], ha->port_name[5],
 104                     ha->port_name[6], ha->port_name[7]);
 105                 return QLA_FUNCTION_FAILED;
 106         }
 107
 108         qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
 109
 110         if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
 111                 rval = ha->isp_ops->chip_diag(ha);
 112                 if (rval)
 113                         return (rval);
 114                 rval = qla2x00_setup_chip(ha);
 115                 if (rval)
 116                         return (rval);
 117         }
 118         rval = qla2x00_init_rings(ha);
 119
 120         return (rval);
 121 }
 122
 123 /**
 124  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 125  * @ha: HA context
 126  *
 127  * Returns 0 on success.
 128  */
 129 int
 130 qla2100_pci_config(scsi_qla_host_t *ha)
 131 {
 132         uint16_t w;
 133         uint32_t d;
 134         unsigned long flags;
 135         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 136
 137         pci_set_master(ha->pdev);
 138         pci_try_set_mwi(ha->pdev);
 139
 140         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 141         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 142         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 143
 144         /* Reset expansion ROM address decode enable */
 145         pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
 146         d &= ~PCI_ROM_ADDRESS_ENABLE;
 147         pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
 148
 149         /* Get PCI bus information. */
 150         spin_lock_irqsave(&ha->hardware_lock, flags);
 151         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 152         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 153
 154         return QLA_SUCCESS;
 155 }
 156
 157 /**
 158  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 159  * @ha: HA context
 160  *
 161  * Returns 0 on success.
 162  */
 163 int
 164 qla2300_pci_config(scsi_qla_host_t *ha)
 165 {
 166         uint16_t        w;
 167         uint32_t        d;
 168         unsigned long   flags = 0;
 169         uint32_t        cnt;
 170         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 171
 172         pci_set_master(ha->pdev);
 173         pci_try_set_mwi(ha->pdev);
 174
 175         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 176         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 177
 178         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 179                 w &= ~PCI_COMMAND_INTX_DISABLE;
 180         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 181
 182         /*
 183          * If this is a 2300 card and not 2312, reset the
 184          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 185          * the 2310 also reports itself as a 2300 so we need to get the
 186          * fb revision level -- a 6 indicates it really is a 2300 and
 187          * not a 2310.
 188          */
 189         if (IS_QLA2300(ha)) {
 190                 spin_lock_irqsave(&ha->hardware_lock, flags);
 191
 192                 /* Pause RISC. */
 193                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 194                 for (cnt = 0; cnt < 30000; cnt++) {
 195                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 196                                 break;
 197
 198                         udelay(10);
 199                 }
 200
 201                 /* Select FPM registers. */
 202                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 203                 RD_REG_WORD(&reg->ctrl_status);
 204
 205                 /* Get the fb rev level */
 206                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 207
 208                 if (ha->fb_rev == FPM_2300)
 209                         pci_clear_mwi(ha->pdev);
 210
 211                 /* Deselect FPM registers. */
 212                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 213                 RD_REG_WORD(&reg->ctrl_status);
 214
 215                 /* Release RISC module. */
 216                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 217                 for (cnt = 0; cnt < 30000; cnt++) {
 218                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 219                                 break;
 220
 221                         udelay(10);
 222                 }
 223
 224                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 225         }
 226
 227         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 228
 229         /* Reset expansion ROM address decode enable */
 230         pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
 231         d &= ~PCI_ROM_ADDRESS_ENABLE;
 232         pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
 233
 234         /* Get PCI bus information. */
 235         spin_lock_irqsave(&ha->hardware_lock, flags);
 236         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 237         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 238
 239         return QLA_SUCCESS;
 240 }
 241
 242 /**
 243  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 244  * @ha: HA context
 245  *
 246  * Returns 0 on success.
 247  */
 248 int
 249 qla24xx_pci_config(scsi_qla_host_t *ha)
 250 {
 251         uint16_t w;
 252         uint32_t d;
 253         unsigned long flags = 0;
 254         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 255
 256         pci_set_master(ha->pdev);
 257         pci_try_set_mwi(ha->pdev);
 258
 259         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 260         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 261         w &= ~PCI_COMMAND_INTX_DISABLE;
 262         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 263
 264         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 265
 266         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 267         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 268                 pcix_set_mmrbc(ha->pdev, 2048);
 269
 270         /* PCIe -- adjust Maximum Read Request Size (2048). */
 271         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 272                 pcie_set_readrq(ha->pdev, 2048);
 273
 274         /* Reset expansion ROM address decode enable */
 275         pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
 276         d &= ~PCI_ROM_ADDRESS_ENABLE;
 277         pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
 278
 279         ha->chip_revision = ha->pdev->revision;
 280
 281         /* Get PCI bus information. */
 282         spin_lock_irqsave(&ha->hardware_lock, flags);
 283         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 284         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 285
 286         return QLA_SUCCESS;
 287 }
 288
 289 /**
 290  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 291  * @ha: HA context
 292  *
 293  * Returns 0 on success.
 294  */
 295 int
 296 qla25xx_pci_config(scsi_qla_host_t *ha)
 297 {
 298         uint16_t w;
 299         uint32_t d;
 300
 301         pci_set_master(ha->pdev);
 302         pci_try_set_mwi(ha->pdev);
 303
 304         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 305         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 306         w &= ~PCI_COMMAND_INTX_DISABLE;
 307         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 308
 309         /* PCIe -- adjust Maximum Read Request Size (2048). */
 310         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 311                 pcie_set_readrq(ha->pdev, 2048);
 312
 313         /* Reset expansion ROM address decode enable */
 314         pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
 315         d &= ~PCI_ROM_ADDRESS_ENABLE;
 316         pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
 317
 318         ha->chip_revision = ha->pdev->revision;
 319
 320         return QLA_SUCCESS;
 321 }
 322
 323 /**
 324  * qla2x00_isp_firmware() - Choose firmware image.
 325  * @ha: HA context
 326  *
 327  * Returns 0 on success.
 328  */
 329 static int
 330 qla2x00_isp_firmware(scsi_qla_host_t *ha)
 331 {
 332         int  rval;
 333
 334         /* Assume loading risc code */
 335         rval = QLA_FUNCTION_FAILED;
 336
 337         if (ha->flags.disable_risc_code_load) {
 338                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 339                     ha->host_no));
 340                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 341
 342                 /* Verify checksum of loaded RISC code. */
 343                 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
 344         }
 345
 346         if (rval) {
 347                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 348                     ha->host_no));
 349         }
 350
 351         return (rval);
 352 }
 353
 354 /**
 355  * qla2x00_reset_chip() - Reset ISP chip.
 356  * @ha: HA context
 357  *
 358  * Returns 0 on success.
 359  */
 360 void
 361 qla2x00_reset_chip(scsi_qla_host_t *ha)
 362 {
 363         unsigned long   flags = 0;
 364         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 365         uint32_t        cnt;
 366         uint16_t        cmd;
 367
 368         ha->isp_ops->disable_intrs(ha);
 369
 370         spin_lock_irqsave(&ha->hardware_lock, flags);
 371
 372         /* Turn off master enable */
 373         cmd = 0;
 374         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 375         cmd &= ~PCI_COMMAND_MASTER;
 376         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 377
 378         if (!IS_QLA2100(ha)) {
 379                 /* Pause RISC. */
 380                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 381                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 382                         for (cnt = 0; cnt < 30000; cnt++) {
 383                                 if ((RD_REG_WORD(&reg->hccr) &
 384                                     HCCR_RISC_PAUSE) != 0)
 385                                         break;
 386                                 udelay(100);
 387                         }
 388                 } else {
 389                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 390                         udelay(10);
 391                 }
 392
 393                 /* Select FPM registers. */
 394                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 395                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 396
 397                 /* FPM Soft Reset. */
 398                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 399                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 400
 401                 /* Toggle Fpm Reset. */
 402                 if (!IS_QLA2200(ha)) {
 403                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 404                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 405                 }
 406
 407                 /* Select frame buffer registers. */
 408                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 409                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 410
 411                 /* Reset frame buffer FIFOs. */
 412                 if (IS_QLA2200(ha)) {
 413                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 414                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 415                 } else {
 416                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 417
 418                         /* Read back fb_cmd until zero or 3 seconds max */
 419                         for (cnt = 0; cnt < 3000; cnt++) {
 420                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 421                                         break;
 422                                 udelay(100);
 423                         }
 424                 }
 425
 426                 /* Select RISC module registers. */
 427                 WRT_REG_WORD(&reg->ctrl_status, 0);
 428                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 429
 430                 /* Reset RISC processor. */
 431                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 432                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 433
 434                 /* Release RISC processor. */
 435                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 436                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 437         }
 438
 439         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 440         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 441
 442         /* Reset ISP chip. */
 443         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 444
 445         /* Wait for RISC to recover from reset. */
 446         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 447                 /*
 448                  * It is necessary to for a delay here since the card doesn't
 449                  * respond to PCI reads during a reset. On some architectures
 450                  * this will result in an MCA.
 451                  */
 452                 udelay(20);
 453                 for (cnt = 30000; cnt; cnt--) {
 454                         if ((RD_REG_WORD(&reg->ctrl_status) &
 455                             CSR_ISP_SOFT_RESET) == 0)
 456                                 break;
 457                         udelay(100);
 458                 }
 459         } else
 460                 udelay(10);
 461
 462         /* Reset RISC processor. */
 463         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 464
 465         WRT_REG_WORD(&reg->semaphore, 0);
 466
 467         /* Release RISC processor. */
 468         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 469         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 470
 471         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 472                 for (cnt = 0; cnt < 30000; cnt++) {
 473                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 474                                 break;
 475
 476                         udelay(100);
 477                 }
 478         } else
 479                 udelay(100);
 480
 481         /* Turn on master enable */
 482         cmd |= PCI_COMMAND_MASTER;
 483         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 484
 485         /* Disable RISC pause on FPM parity error. */
 486         if (!IS_QLA2100(ha)) {
 487                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 488                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 489         }
 490
 491         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 492 }
 493
 494 /**
 495  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 496  * @ha: HA context
 497  *
 498  * Returns 0 on success.
 499  */
 500 static inline void
 501 qla24xx_reset_risc(scsi_qla_host_t *ha)
 502 {
 503         int hw_evt = 0;
 504         unsigned long flags = 0;
 505         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 506         uint32_t cnt, d2;
 507         uint16_t wd;
 508
 509         spin_lock_irqsave(&ha->hardware_lock, flags);
 510
 511         /* Reset RISC. */
 512         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 513         for (cnt = 0; cnt < 30000; cnt++) {
 514                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
 515                         break;
 516
 517                 udelay(10);
 518         }
 519
 520         WRT_REG_DWORD(&reg->ctrl_status,
 521             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 522         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
 523
 524         udelay(100);
 525         /* Wait for firmware to complete NVRAM accesses. */
 526         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 527         for (cnt = 10000 ; cnt && d2; cnt--) {
 528                 udelay(5);
 529                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 530                 barrier();
 531         }
 532         if (cnt == 0)
 533                 hw_evt = 1;
 534
 535         /* Wait for soft-reset to complete. */
 536         d2 = RD_REG_DWORD(&reg->ctrl_status);
 537         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
 538                 udelay(5);
 539                 d2 = RD_REG_DWORD(&reg->ctrl_status);
 540                 barrier();
 541         }
 542         if (cnt == 0 || hw_evt)
 543                 qla2xxx_hw_event_log(ha, HW_EVENT_RESET_ERR,
 544                     RD_REG_WORD(&reg->mailbox1), RD_REG_WORD(&reg->mailbox2),
 545                     RD_REG_WORD(&reg->mailbox3));
 546
 547         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
 548         RD_REG_DWORD(&reg->hccr);
 549
 550         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
 551         RD_REG_DWORD(&reg->hccr);
 552
 553         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
 554         RD_REG_DWORD(&reg->hccr);
 555
 556         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 557         for (cnt = 6000000 ; cnt && d2; cnt--) {
 558                 udelay(5);
 559                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 560                 barrier();
 561         }
 562
 563         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 564 }
 565
 566 /**
 567  * qla24xx_reset_chip() - Reset ISP24xx chip.
 568  * @ha: HA context
 569  *
 570  * Returns 0 on success.
 571  */
 572 void
 573 qla24xx_reset_chip(scsi_qla_host_t *ha)
 574 {
 575         ha->isp_ops->disable_intrs(ha);
 576
 577         /* Perform RISC reset. */
 578         qla24xx_reset_risc(ha);
 579 }
 580
 581 /**
 582  * qla2x00_chip_diag() - Test chip for proper operation.
 583  * @ha: HA context
 584  *
 585  * Returns 0 on success.
 586  */
 587 int
 588 qla2x00_chip_diag(scsi_qla_host_t *ha)
 589 {
 590         int             rval;
 591         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 592         unsigned long   flags = 0;
 593         uint16_t        data;
 594         uint32_t        cnt;
 595         uint16_t        mb[5];
 596
 597         /* Assume a failed state */
 598         rval = QLA_FUNCTION_FAILED;
 599
 600         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
 601             ha->host_no, (u_long)&reg->flash_address));
 602
 603         spin_lock_irqsave(&ha->hardware_lock, flags);
 604
 605         /* Reset ISP chip. */
 606         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 607
 608         /*
 609          * We need to have a delay here since the card will not respond while
 610          * in reset causing an MCA on some architectures.
 611          */
 612         udelay(20);
 613         data = qla2x00_debounce_register(&reg->ctrl_status);
 614         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
 615                 udelay(5);
 616                 data = RD_REG_WORD(&reg->ctrl_status);
 617                 barrier();
 618         }
 619
 620         if (!cnt)
 621                 goto chip_diag_failed;
 622
 623         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
 624             ha->host_no));
 625
 626         /* Reset RISC processor. */
 627         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 628         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 629
 630         /* Workaround for QLA2312 PCI parity error */
 631         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 632                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
 633                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
 634                         udelay(5);
 635                         data = RD_MAILBOX_REG(ha, reg, 0);
 636                         barrier();
 637                 }
 638         } else
 639                 udelay(10);
 640
 641         if (!cnt)
 642                 goto chip_diag_failed;
 643
 644         /* Check product ID of chip */
 645         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
 646
 647         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
 648         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
 649         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
 650         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
 651         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
 652             mb[3] != PROD_ID_3) {
 653                 qla_printk(KERN_WARNING, ha,
 654                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
 655
 656                 goto chip_diag_failed;
 657         }
 658         ha->product_id[0] = mb[1];
 659         ha->product_id[1] = mb[2];
 660         ha->product_id[2] = mb[3];
 661         ha->product_id[3] = mb[4];
 662
 663         /* Adjust fw RISC transfer size */
 664         if (ha->request_q_length > 1024)
 665                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
 666         else
 667                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
 668                     ha->request_q_length;
 669
 670         if (IS_QLA2200(ha) &&
 671             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
 672                 /* Limit firmware transfer size with a 2200A */
 673                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
 674                     ha->host_no));
 675
 676                 ha->device_type |= DT_ISP2200A;
 677                 ha->fw_transfer_size = 128;
 678         }
 679
 680         /* Wrap Incoming Mailboxes Test. */
 681         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 682
 683         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
 684         rval = qla2x00_mbx_reg_test(ha);
 685         if (rval) {
 686                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 687                     ha->host_no));
 688                 qla_printk(KERN_WARNING, ha,
 689                     "Failed mailbox send register test\n");
 690         }
 691         else {
 692                 /* Flag a successful rval */
 693                 rval = QLA_SUCCESS;
 694         }
 695         spin_lock_irqsave(&ha->hardware_lock, flags);
 696
 697 chip_diag_failed:
 698         if (rval)
 699                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
 700                     "****\n", ha->host_no));
 701
 702         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 703
 704         return (rval);
 705 }
 706
 707 /**
 708  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
 709  * @ha: HA context
 710  *
 711  * Returns 0 on success.
 712  */
 713 int
 714 qla24xx_chip_diag(scsi_qla_host_t *ha)
 715 {
 716         int rval;
 717
 718         /* Perform RISC reset. */
 719         qla24xx_reset_risc(ha);
 720
 721         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
 722
 723         rval = qla2x00_mbx_reg_test(ha);
 724         if (rval) {
 725                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 726                     ha->host_no));
 727                 qla_printk(KERN_WARNING, ha,
 728                     "Failed mailbox send register test\n");
 729         } else {
 730                 /* Flag a successful rval */
 731                 rval = QLA_SUCCESS;
 732         }
 733
 734         return rval;
 735 }
 736
 737 void
 738 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
 739 {
 740         int rval;
 741         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
 742             eft_size, fce_size;
 743         dma_addr_t tc_dma;
 744         void *tc;
 745
 746         if (ha->fw_dump) {
 747                 qla_printk(KERN_WARNING, ha,
 748                     "Firmware dump previously allocated.\n");
 749                 return;
 750         }
 751
 752         ha->fw_dumped = 0;
 753         fixed_size = mem_size = eft_size = fce_size = 0;
 754         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 755                 fixed_size = sizeof(struct qla2100_fw_dump);
 756         } else if (IS_QLA23XX(ha)) {
 757                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
 758                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
 759                     sizeof(uint16_t);
 760         } else if (IS_FWI2_CAPABLE(ha)) {
 761                 fixed_size = IS_QLA25XX(ha) ?
 762                     offsetof(struct qla25xx_fw_dump, ext_mem):
 763                     offsetof(struct qla24xx_fw_dump, ext_mem);
 764                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
 765                     sizeof(uint32_t);
 766
 767                 /* Allocate memory for Extended Trace Buffer. */
 768                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
 769                     GFP_KERNEL);
 770                 if (!tc) {
 771                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
 772                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
 773                         goto cont_alloc;
 774                 }
 775
 776                 memset(tc, 0, EFT_SIZE);
 777                 rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS);
 778                 if (rval) {
 779                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
 780                             "EFT (%d).\n", rval);
 781                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
 782                             tc_dma);
 783                         goto cont_alloc;
 784                 }
 785
 786                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
 787                     EFT_SIZE / 1024);
 788
 789                 eft_size = EFT_SIZE;
 790                 ha->eft_dma = tc_dma;
 791                 ha->eft = tc;
 792
 793                 /* Allocate memory for Fibre Channel Event Buffer. */
 794                 if (!IS_QLA25XX(ha))
 795                         goto cont_alloc;
 796
 797                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
 798                     GFP_KERNEL);
 799                 if (!tc) {
 800                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
 801                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
 802                         goto cont_alloc;
 803                 }
 804
 805                 memset(tc, 0, FCE_SIZE);
 806                 rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS,
 807                     ha->fce_mb, &ha->fce_bufs);
 808                 if (rval) {
 809                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
 810                             "FCE (%d).\n", rval);
 811                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
 812                             tc_dma);
 813                         ha->flags.fce_enabled = 0;
 814                         goto cont_alloc;
 815                 }
 816
 817                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
 818                     FCE_SIZE / 1024);
 819
 820                 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE;
 821                 ha->flags.fce_enabled = 1;
 822                 ha->fce_dma = tc_dma;
 823                 ha->fce = tc;
 824         }
 825 cont_alloc:
 826         req_q_size = ha->request_q_length * sizeof(request_t);
 827         rsp_q_size = ha->response_q_length * sizeof(response_t);
 828
 829         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
 830         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
 831             eft_size + fce_size;
 832
 833         ha->fw_dump = vmalloc(dump_size);
 834         if (!ha->fw_dump) {
 835                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
 836                     "firmware dump!!!\n", dump_size / 1024);
 837
 838                 if (ha->eft) {
 839                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
 840                             ha->eft_dma);
 841                         ha->eft = NULL;
 842                         ha->eft_dma = 0;
 843                 }
 844                 return;
 845         }
 846
 847         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
 848             dump_size / 1024);
 849
 850         ha->fw_dump_len = dump_size;
 851         ha->fw_dump->signature[0] = 'Q';
 852         ha->fw_dump->signature[1] = 'L';
 853         ha->fw_dump->signature[2] = 'G';
 854         ha->fw_dump->signature[3] = 'C';
 855         ha->fw_dump->version = __constant_htonl(1);
 856
 857         ha->fw_dump->fixed_size = htonl(fixed_size);
 858         ha->fw_dump->mem_size = htonl(mem_size);
 859         ha->fw_dump->req_q_size = htonl(req_q_size);
 860         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
 861
 862         ha->fw_dump->eft_size = htonl(eft_size);
 863         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
 864         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
 865
 866         ha->fw_dump->header_size =
 867             htonl(offsetof(struct qla2xxx_fw_dump, isp));
 868 }
 869
 870 /**
 871  * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
 872  * @ha: HA context
 873  *
 874  * Returns 0 on success.
 875  */
 876 static void
 877 qla2x00_resize_request_q(scsi_qla_host_t *ha)
 878 {
 879         int rval;
 880         uint16_t fw_iocb_cnt = 0;
 881         uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
 882         dma_addr_t request_dma;
 883         request_t *request_ring;
 884
 885         /* Valid only on recent ISPs. */
 886         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 887                 return;
 888
 889         /* Retrieve IOCB counts available to the firmware. */
 890         rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt,
 891             &ha->max_npiv_vports);
 892         if (rval)
 893                 return;
 894         /* No point in continuing if current settings are sufficient. */
 895         if (fw_iocb_cnt < 1024)
 896                 return;
 897         if (ha->request_q_length >= request_q_length)
 898                 return;
 899
 900         /* Attempt to claim larger area for request queue. */
 901         request_ring = dma_alloc_coherent(&ha->pdev->dev,
 902             (request_q_length + 1) * sizeof(request_t), &request_dma,
 903             GFP_KERNEL);
 904         if (request_ring == NULL)
 905                 return;
 906
 907         /* Resize successful, report extensions. */
 908         qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
 909             (ha->fw_memory_size + 1) / 1024);
 910         qla_printk(KERN_INFO, ha, "Resizing request queue depth "
 911             "(%d -> %d)...\n", ha->request_q_length, request_q_length);
 912
 913         /* Clear old allocations. */
 914         dma_free_coherent(&ha->pdev->dev,
 915             (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
 916             ha->request_dma);
 917
 918         /* Begin using larger queue. */
 919         ha->request_q_length = request_q_length;
 920         ha->request_ring = request_ring;
 921         ha->request_dma = request_dma;
 922 }
 923
 924 /**
 925  * qla2x00_setup_chip() - Load and start RISC firmware.
 926  * @ha: HA context
 927  *
 928  * Returns 0 on success.
 929  */
 930 static int
 931 qla2x00_setup_chip(scsi_qla_host_t *ha)
 932 {
 933         int rval;
 934         uint32_t srisc_address = 0;
 935         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 936         unsigned long flags;
 937
 938         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
 939                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
 940                 spin_lock_irqsave(&ha->hardware_lock, flags);
 941                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
 942                 RD_REG_WORD(&reg->hccr);
 943                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 944         }
 945
 946         /* Load firmware sequences */
 947         rval = ha->isp_ops->load_risc(ha, &srisc_address);
 948         if (rval == QLA_SUCCESS) {
 949                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
 950                     "code.\n", ha->host_no));
 951
 952                 rval = qla2x00_verify_checksum(ha, srisc_address);
 953                 if (rval == QLA_SUCCESS) {
 954                         /* Start firmware execution. */
 955                         DEBUG(printk("scsi(%ld): Checksum OK, start "
 956                             "firmware.\n", ha->host_no));
 957
 958                         rval = qla2x00_execute_fw(ha, srisc_address);
 959                         /* Retrieve firmware information. */
 960                         if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
 961                                 qla2x00_get_fw_version(ha,
 962                                     &ha->fw_major_version,
 963                                     &ha->fw_minor_version,
 964                                     &ha->fw_subminor_version,
 965                                     &ha->fw_attributes, &ha->fw_memory_size);
 966                                 qla2x00_resize_request_q(ha);
 967                                 ha->flags.npiv_supported = 0;
 968                                 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) &&
 969                                     (ha->fw_attributes & BIT_2)) {
 970                                         ha->flags.npiv_supported = 1;
 971                                         if ((!ha->max_npiv_vports) ||
 972                                             ((ha->max_npiv_vports + 1) %
 973                                             MIN_MULTI_ID_FABRIC))
 974                                                 ha->max_npiv_vports =
 975                                                     MIN_MULTI_ID_FABRIC - 1;
 976                                 }
 977
 978                                 if (ql2xallocfwdump)
 979                                         qla2x00_alloc_fw_dump(ha);
 980                         }
 981                 } else {
 982                         DEBUG2(printk(KERN_INFO
 983                             "scsi(%ld): ISP Firmware failed checksum.\n",
 984                             ha->host_no));
 985                 }
 986         }
 987
 988         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
 989                 /* Enable proper parity. */
 990                 spin_lock_irqsave(&ha->hardware_lock, flags);
 991                 if (IS_QLA2300(ha))
 992                         /* SRAM parity */
 993                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
 994                 else
 995                         /* SRAM, Instruction RAM and GP RAM parity */
 996                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
 997                 RD_REG_WORD(&reg->hccr);
 998                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 999         }
1000
1001         if (rval) {
1002                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1003                     ha->host_no));
1004         }
1005
1006         return (rval);
1007 }
1008
1009 /**
1010  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1011  * @ha: HA context
1012  *
1013  * Beginning of request ring has initialization control block already built
1014  * by nvram config routine.
1015  *
1016  * Returns 0 on success.
1017  */
1018 static void
1019 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
1020 {
1021         uint16_t cnt;
1022         response_t *pkt;
1023
1024         pkt = ha->response_ring_ptr;
1025         for (cnt = 0; cnt < ha->response_q_length; cnt++) {
1026                 pkt->signature = RESPONSE_PROCESSED;
1027                 pkt++;
1028         }
1029
1030 }
1031
1032 /**
1033  * qla2x00_update_fw_options() - Read and process firmware options.
1034  * @ha: HA context
1035  *
1036  * Returns 0 on success.
1037  */
1038 void
1039 qla2x00_update_fw_options(scsi_qla_host_t *ha)
1040 {
1041         uint16_t swing, emphasis, tx_sens, rx_sens;
1042
1043         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1044         qla2x00_get_fw_options(ha, ha->fw_options);
1045
1046         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1047                 return;
1048
1049         /* Serial Link options. */
1050         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1051             ha->host_no));
1052         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1053             sizeof(ha->fw_seriallink_options)));
1054
1055         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1056         if (ha->fw_seriallink_options[3] & BIT_2) {
1057                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1058
1059                 /*  1G settings */
1060                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1061                 emphasis = (ha->fw_seriallink_options[2] &
1062                     (BIT_4 | BIT_3)) >> 3;
1063                 tx_sens = ha->fw_seriallink_options[0] &
1064                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1065                 rx_sens = (ha->fw_seriallink_options[0] &
1066                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1067                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1068                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1069                         if (rx_sens == 0x0)
1070                                 rx_sens = 0x3;
1071                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1072                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1073                         ha->fw_options[10] |= BIT_5 |
1074                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1075                             (tx_sens & (BIT_1 | BIT_0));
1076
1077                 /*  2G settings */
1078                 swing = (ha->fw_seriallink_options[2] &
1079                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1080                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1081                 tx_sens = ha->fw_seriallink_options[1] &
1082                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1083                 rx_sens = (ha->fw_seriallink_options[1] &
1084                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1085                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1086                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1087                         if (rx_sens == 0x0)
1088                                 rx_sens = 0x3;
1089                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1090                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1091                         ha->fw_options[11] |= BIT_5 |
1092                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1093                             (tx_sens & (BIT_1 | BIT_0));
1094         }
1095
1096         /* FCP2 options. */
1097         /*  Return command IOCBs without waiting for an ABTS to complete. */
1098         ha->fw_options[3] |= BIT_13;
1099
1100         /* LED scheme. */
1101         if (ha->flags.enable_led_scheme)
1102                 ha->fw_options[2] |= BIT_12;
1103
1104         /* Detect ISP6312. */
1105         if (IS_QLA6312(ha))
1106                 ha->fw_options[2] |= BIT_13;
1107
1108         /* Update firmware options. */
1109         qla2x00_set_fw_options(ha, ha->fw_options);
1110 }
1111
1112 void
1113 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1114 {
1115         int rval;
1116
1117         /* Update Serial Link options. */
1118         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1119                 return;
1120
1121         rval = qla2x00_set_serdes_params(ha,
1122             le16_to_cpu(ha->fw_seriallink_options24[1]),
1123             le16_to_cpu(ha->fw_seriallink_options24[2]),
1124             le16_to_cpu(ha->fw_seriallink_options24[3]));
1125         if (rval != QLA_SUCCESS) {
1126                 qla_printk(KERN_WARNING, ha,
1127                     "Unable to update Serial Link options (%x).\n", rval);
1128         }
1129 }
1130
1131 void
1132 qla2x00_config_rings(struct scsi_qla_host *ha)
1133 {
1134         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1135
1136         /* Setup ring parameters in initialization control block. */
1137         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1138         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1139         ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1140         ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1141         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1142         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1143         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1144         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1145
1146         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1147         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1148         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1149         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1150         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1151 }
1152
1153 void
1154 qla24xx_config_rings(struct scsi_qla_host *ha)
1155 {
1156         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1157         struct init_cb_24xx *icb;
1158
1159         /* Setup ring parameters in initialization control block. */
1160         icb = (struct init_cb_24xx *)ha->init_cb;
1161         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1162         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1163         icb->request_q_length = cpu_to_le16(ha->request_q_length);
1164         icb->response_q_length = cpu_to_le16(ha->response_q_length);
1165         icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1166         icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1167         icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1168         icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1169
1170         WRT_REG_DWORD(&reg->req_q_in, 0);
1171         WRT_REG_DWORD(&reg->req_q_out, 0);
1172         WRT_REG_DWORD(&reg->rsp_q_in, 0);
1173         WRT_REG_DWORD(&reg->rsp_q_out, 0);
1174         RD_REG_DWORD(&reg->rsp_q_out);
1175 }
1176
1177 /**
1178  * qla2x00_init_rings() - Initializes firmware.
1179  * @ha: HA context
1180  *
1181  * Beginning of request ring has initialization control block already built
1182  * by nvram config routine.
1183  *
1184  * Returns 0 on success.
1185  */
1186 static int
1187 qla2x00_init_rings(scsi_qla_host_t *ha)
1188 {
1189         int     rval;
1190         unsigned long flags = 0;
1191         int cnt;
1192         struct mid_init_cb_24xx *mid_init_cb =
1193             (struct mid_init_cb_24xx *) ha->init_cb;
1194
1195         spin_lock_irqsave(&ha->hardware_lock, flags);
1196
1197         /* Clear outstanding commands array. */
1198         for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1199                 ha->outstanding_cmds[cnt] = NULL;
1200
1201         ha->current_outstanding_cmd = 0;
1202
1203         /* Clear RSCN queue. */
1204         ha->rscn_in_ptr = 0;
1205         ha->rscn_out_ptr = 0;
1206
1207         /* Initialize firmware. */
1208         ha->request_ring_ptr  = ha->request_ring;
1209         ha->req_ring_index    = 0;
1210         ha->req_q_cnt         = ha->request_q_length;
1211         ha->response_ring_ptr = ha->response_ring;
1212         ha->rsp_ring_index    = 0;
1213
1214         /* Initialize response queue entries */
1215         qla2x00_init_response_q_entries(ha);
1216
1217         ha->isp_ops->config_rings(ha);
1218
1219         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1220
1221         /* Update any ISP specific firmware options before initialization. */
1222         ha->isp_ops->update_fw_options(ha);
1223
1224         DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1225
1226         if (ha->flags.npiv_supported)
1227                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1228
1229         mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1230
1231         rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1232         if (rval) {
1233                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1234                     ha->host_no));
1235         } else {
1236                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1237                     ha->host_no));
1238         }
1239
1240         return (rval);
1241 }
1242
1243 /**
1244  * qla2x00_fw_ready() - Waits for firmware ready.
1245  * @ha: HA context
1246  *
1247  * Returns 0 on success.
1248  */
1249 static int
1250 qla2x00_fw_ready(scsi_qla_host_t *ha)
1251 {
1252         int             rval;
1253         unsigned long   wtime, mtime;
1254         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1255         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1256         uint16_t        fw_state;
1257
1258         rval = QLA_SUCCESS;
1259
1260         /* 20 seconds for loop down. */
1261         min_wait = 20;
1262
1263         /*
1264          * Firmware should take at most one RATOV to login, plus 5 seconds for
1265          * our own processing.
1266          */
1267         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1268                 wait_time = min_wait;
1269         }
1270
1271         /* Min wait time if loop down */
1272         mtime = jiffies + (min_wait * HZ);
1273
1274         /* wait time before firmware ready */
1275         wtime = jiffies + (wait_time * HZ);
1276
1277         /* Wait for ISP to finish LIP */
1278         if (!ha->flags.init_done)
1279                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1280
1281         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1282             ha->host_no));
1283
1284         do {
1285                 rval = qla2x00_get_firmware_state(ha, &fw_state);
1286                 if (rval == QLA_SUCCESS) {
1287                         if (fw_state < FSTATE_LOSS_OF_SYNC) {
1288                                 ha->device_flags &= ~DFLG_NO_CABLE;
1289                         }
1290                         if (fw_state == FSTATE_READY) {
1291                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1292                                     ha->host_no));
1293
1294                                 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1295                                     &ha->login_timeout, &ha->r_a_tov);
1296
1297                                 rval = QLA_SUCCESS;
1298                                 break;
1299                         }
1300
1301                         rval = QLA_FUNCTION_FAILED;
1302
1303                         if (atomic_read(&ha->loop_down_timer) &&
1304                             fw_state != FSTATE_READY) {
1305                                 /* Loop down. Timeout on min_wait for states
1306                                  * other than Wait for Login.
1307                                  */
1308                                 if (time_after_eq(jiffies, mtime)) {
1309                                         qla_printk(KERN_INFO, ha,
1310                                             "Cable is unplugged...\n");
1311
1312                                         ha->device_flags |= DFLG_NO_CABLE;
1313                                         break;
1314                                 }
1315                         }
1316                 } else {
1317                         /* Mailbox cmd failed. Timeout on min_wait. */
1318                         if (time_after_eq(jiffies, mtime))
1319                                 break;
1320                 }
1321
1322                 if (time_after_eq(jiffies, wtime))
1323                         break;
1324
1325                 /* Delay for a while */
1326                 msleep(500);
1327
1328                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1329                     ha->host_no, fw_state, jiffies));
1330         } while (1);
1331
1332         DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1333             ha->host_no, fw_state, jiffies));
1334
1335         if (rval) {
1336                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1337                     ha->host_no));
1338         }
1339
1340         return (rval);
1341 }
1342
1343 /*
1344 *  qla2x00_configure_hba
1345 *      Setup adapter context.
1346 *
1347 * Input:
1348 *      ha = adapter state pointer.
1349 *
1350 * Returns:
1351 *      0 = success
1352 *
1353 * Context:
1354 *      Kernel context.
1355 */
1356 static int
1357 qla2x00_configure_hba(scsi_qla_host_t *ha)
1358 {
1359         int       rval;
1360         uint16_t      loop_id;
1361         uint16_t      topo;
1362         uint16_t      sw_cap;
1363         uint8_t       al_pa;
1364         uint8_t       area;
1365         uint8_t       domain;
1366         char            connect_type[22];
1367
1368         /* Get host addresses. */
1369         rval = qla2x00_get_adapter_id(ha,
1370             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1371         if (rval != QLA_SUCCESS) {
1372                 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1373                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1374                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1375                             __func__, ha->host_no));
1376                 } else {
1377                         qla_printk(KERN_WARNING, ha,
1378                             "ERROR -- Unable to get host loop ID.\n");
1379                         set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1380                 }
1381                 return (rval);
1382         }
1383
1384         if (topo == 4) {
1385                 qla_printk(KERN_INFO, ha,
1386                         "Cannot get topology - retrying.\n");
1387                 return (QLA_FUNCTION_FAILED);
1388         }
1389
1390         ha->loop_id = loop_id;
1391
1392         /* initialize */
1393         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1394         ha->operating_mode = LOOP;
1395         ha->switch_cap = 0;
1396
1397         switch (topo) {
1398         case 0:
1399                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1400                     ha->host_no));
1401                 ha->current_topology = ISP_CFG_NL;
1402                 strcpy(connect_type, "(Loop)");
1403                 break;
1404
1405         case 1:
1406                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1407                     ha->host_no));
1408                 ha->switch_cap = sw_cap;
1409                 ha->current_topology = ISP_CFG_FL;
1410                 strcpy(connect_type, "(FL_Port)");
1411                 break;
1412
1413         case 2:
1414                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1415                     ha->host_no));
1416                 ha->operating_mode = P2P;
1417                 ha->current_topology = ISP_CFG_N;
1418                 strcpy(connect_type, "(N_Port-to-N_Port)");
1419                 break;
1420
1421         case 3:
1422                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1423                     ha->host_no));
1424                 ha->switch_cap = sw_cap;
1425                 ha->operating_mode = P2P;
1426                 ha->current_topology = ISP_CFG_F;
1427                 strcpy(connect_type, "(F_Port)");
1428                 break;
1429
1430         default:
1431                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1432                     "Using NL.\n",
1433                     ha->host_no, topo));
1434                 ha->current_topology = ISP_CFG_NL;
1435                 strcpy(connect_type, "(Loop)");
1436                 break;
1437         }
1438
1439         /* Save Host port and loop ID. */
1440         /* byte order - Big Endian */
1441         ha->d_id.b.domain = domain;
1442         ha->d_id.b.area = area;
1443         ha->d_id.b.al_pa = al_pa;
1444
1445         if (!ha->flags.init_done)
1446                 qla_printk(KERN_INFO, ha,
1447                     "Topology - %s, Host Loop address 0x%x\n",
1448                     connect_type, ha->loop_id);
1449
1450         if (rval) {
1451                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1452         } else {
1453                 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1454         }
1455
1456         return(rval);
1457 }
1458
1459 static inline void
1460 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
1461 {
1462         char *st, *en;
1463         uint16_t index;
1464
1465         if (memcmp(model, BINZERO, len) != 0) {
1466                 strncpy(ha->model_number, model, len);
1467                 st = en = ha->model_number;
1468                 en += len - 1;
1469                 while (en > st) {
1470                         if (*en != 0x20 && *en != 0x00)
1471                                 break;
1472                         *en-- = '\0';
1473                 }
1474
1475                 index = (ha->pdev->subsystem_device & 0xff);
1476                 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1477                     index < QLA_MODEL_NAMES)
1478                         ha->model_desc = qla2x00_model_name[index * 2 + 1];
1479         } else {
1480                 index = (ha->pdev->subsystem_device & 0xff);
1481                 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1482                     index < QLA_MODEL_NAMES) {
1483                         strcpy(ha->model_number,
1484                             qla2x00_model_name[index * 2]);
1485                         ha->model_desc = qla2x00_model_name[index * 2 + 1];
1486                 } else {
1487                         strcpy(ha->model_number, def);
1488                 }
1489         }
1490 }
1491
1492 /* On sparc systems, obtain port and node WWN from firmware
1493  * properties.
1494  */
1495 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv)
1496 {
1497 #ifdef CONFIG_SPARC
1498         struct pci_dev *pdev = ha->pdev;
1499         struct device_node *dp = pci_device_to_OF_node(pdev);
1500         const u8 *val;
1501         int len;
1502
1503         val = of_get_property(dp, "port-wwn", &len);
1504         if (val && len >= WWN_SIZE)
1505                 memcpy(nv->port_name, val, WWN_SIZE);
1506
1507         val = of_get_property(dp, "node-wwn", &len);
1508         if (val && len >= WWN_SIZE)
1509                 memcpy(nv->node_name, val, WWN_SIZE);
1510 #endif
1511 }
1512
1513 /*
1514 * NVRAM configuration for ISP 2xxx
1515 *
1516 * Input:
1517 *      ha                = adapter block pointer.
1518 *
1519 * Output:
1520 *      initialization control block in response_ring
1521 *      host adapters parameters in host adapter block
1522 *
1523 * Returns:
1524 *      0 = success.
1525 */
1526 int
1527 qla2x00_nvram_config(scsi_qla_host_t *ha)
1528 {
1529         int             rval;
1530         uint8_t         chksum = 0;
1531         uint16_t        cnt;
1532         uint8_t         *dptr1, *dptr2;
1533         init_cb_t       *icb = ha->init_cb;
1534         nvram_t         *nv = ha->nvram;
1535         uint8_t         *ptr = ha->nvram;
1536         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1537
1538         rval = QLA_SUCCESS;
1539
1540         /* Determine NVRAM starting address. */
1541         ha->nvram_size = sizeof(nvram_t);
1542         ha->nvram_base = 0;
1543         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1544                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1545                         ha->nvram_base = 0x80;
1546
1547         /* Get NVRAM data and calculate checksum. */
1548         ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1549         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1550                 chksum += *ptr++;
1551
1552         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1553         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1554
1555         /* Bad NVRAM data, set defaults parameters. */
1556         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1557             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1558                 /* Reset NVRAM data. */
1559                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1560                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1561                     nv->nvram_version);
1562                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1563                     "invalid -- WWPN) defaults.\n");
1564
1565                 if (chksum)
1566                         qla2xxx_hw_event_log(ha, HW_EVENT_NVRAM_CHKSUM_ERR, 0,
1567                             MSW(chksum), LSW(chksum));
1568
1569                 /*
1570                  * Set default initialization control block.
1571                  */
1572                 memset(nv, 0, ha->nvram_size);
1573                 nv->parameter_block_version = ICB_VERSION;
1574
1575                 if (IS_QLA23XX(ha)) {
1576                         nv->firmware_options[0] = BIT_2 | BIT_1;
1577                         nv->firmware_options[1] = BIT_7 | BIT_5;
1578                         nv->add_firmware_options[0] = BIT_5;
1579                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1580                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
1581                         nv->special_options[1] = BIT_7;
1582                 } else if (IS_QLA2200(ha)) {
1583                         nv->firmware_options[0] = BIT_2 | BIT_1;
1584                         nv->firmware_options[1] = BIT_7 | BIT_5;
1585                         nv->add_firmware_options[0] = BIT_5;
1586                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1587                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1588                 } else if (IS_QLA2100(ha)) {
1589                         nv->firmware_options[0] = BIT_3 | BIT_1;
1590                         nv->firmware_options[1] = BIT_5;
1591                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1592                 }
1593
1594                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1595                 nv->execution_throttle = __constant_cpu_to_le16(16);
1596                 nv->retry_count = 8;
1597                 nv->retry_delay = 1;
1598
1599                 nv->port_name[0] = 33;
1600                 nv->port_name[3] = 224;
1601                 nv->port_name[4] = 139;
1602
1603                 qla2xxx_nvram_wwn_from_ofw(ha, nv);
1604
1605                 nv->login_timeout = 4;
1606
1607                 /*
1608                  * Set default host adapter parameters
1609                  */
1610                 nv->host_p[1] = BIT_2;
1611                 nv->reset_delay = 5;
1612                 nv->port_down_retry_count = 8;
1613                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1614                 nv->link_down_timeout = 60;
1615
1616                 rval = 1;
1617         }
1618
1619 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1620         /*
1621          * The SN2 does not provide BIOS emulation which means you can't change
1622          * potentially bogus BIOS settings. Force the use of default settings
1623          * for link rate and frame size.  Hope that the rest of the settings
1624          * are valid.
1625          */
1626         if (ia64_platform_is("sn2")) {
1627                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1628                 if (IS_QLA23XX(ha))
1629                         nv->special_options[1] = BIT_7;
1630         }
1631 #endif
1632
1633         /* Reset Initialization control block */
1634         memset(icb, 0, ha->init_cb_size);
1635
1636         /*
1637          * Setup driver NVRAM options.
1638          */
1639         nv->firmware_options[0] |= (BIT_6 | BIT_1);
1640         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1641         nv->firmware_options[1] |= (BIT_5 | BIT_0);
1642         nv->firmware_options[1] &= ~BIT_4;
1643
1644         if (IS_QLA23XX(ha)) {
1645                 nv->firmware_options[0] |= BIT_2;
1646                 nv->firmware_options[0] &= ~BIT_3;
1647                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1648
1649                 if (IS_QLA2300(ha)) {
1650                         if (ha->fb_rev == FPM_2310) {
1651                                 strcpy(ha->model_number, "QLA2310");
1652                         } else {
1653                                 strcpy(ha->model_number, "QLA2300");
1654                         }
1655                 } else {
1656                         qla2x00_set_model_info(ha, nv->model_number,
1657                             sizeof(nv->model_number), "QLA23xx");
1658                 }
1659         } else if (IS_QLA2200(ha)) {
1660                 nv->firmware_options[0] |= BIT_2;
1661                 /*
1662                  * 'Point-to-point preferred, else loop' is not a safe
1663                  * connection mode setting.
1664                  */
1665                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1666                     (BIT_5 | BIT_4)) {
1667                         /* Force 'loop preferred, else point-to-point'. */
1668                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1669                         nv->add_firmware_options[0] |= BIT_5;
1670                 }
1671                 strcpy(ha->model_number, "QLA22xx");
1672         } else /*if (IS_QLA2100(ha))*/ {
1673                 strcpy(ha->model_number, "QLA2100");
1674         }
1675
1676         /*
1677          * Copy over NVRAM RISC parameter block to initialization control block.
1678          */
1679         dptr1 = (uint8_t *)icb;
1680         dptr2 = (uint8_t *)&nv->parameter_block_version;
1681         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1682         while (cnt--)
1683                 *dptr1++ = *dptr2++;
1684
1685         /* Copy 2nd half. */
1686         dptr1 = (uint8_t *)icb->add_firmware_options;
1687         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1688         while (cnt--)
1689                 *dptr1++ = *dptr2++;
1690
1691         /* Use alternate WWN? */
1692         if (nv->host_p[1] & BIT_7) {
1693                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1694                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1695         }
1696
1697         /* Prepare nodename */
1698         if ((icb->firmware_options[1] & BIT_6) == 0) {
1699                 /*
1700                  * Firmware will apply the following mask if the nodename was
1701                  * not provided.
1702                  */
1703                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1704                 icb->node_name[0] &= 0xF0;
1705         }
1706
1707         /*
1708          * Set host adapter parameters.
1709          */
1710         if (nv->host_p[0] & BIT_7)
1711                 ql2xextended_error_logging = 1;
1712         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1713         /* Always load RISC code on non ISP2[12]00 chips. */
1714         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1715                 ha->flags.disable_risc_code_load = 0;
1716         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1717         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1718         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1719         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1720         ha->flags.disable_serdes = 0;
1721
1722         ha->operating_mode =
1723             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1724
1725         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1726             sizeof(ha->fw_seriallink_options));
1727
1728         /* save HBA serial number */
1729         ha->serial0 = icb->port_name[5];
1730         ha->serial1 = icb->port_name[6];
1731         ha->serial2 = icb->port_name[7];
1732         ha->node_name = icb->node_name;
1733         ha->port_name = icb->port_name;
1734
1735         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1736
1737         ha->retry_count = nv->retry_count;
1738
1739         /* Set minimum login_timeout to 4 seconds. */
1740         if (nv->login_timeout < ql2xlogintimeout)
1741                 nv->login_timeout = ql2xlogintimeout;
1742         if (nv->login_timeout < 4)
1743                 nv->login_timeout = 4;
1744         ha->login_timeout = nv->login_timeout;
1745         icb->login_timeout = nv->login_timeout;
1746
1747         /* Set minimum RATOV to 100 tenths of a second. */
1748         ha->r_a_tov = 100;
1749
1750         ha->loop_reset_delay = nv->reset_delay;
1751
1752         /* Link Down Timeout = 0:
1753          *
1754          *      When Port Down timer expires we will start returning
1755          *      I/O's to OS with "DID_NO_CONNECT".
1756          *
1757          * Link Down Timeout != 0:
1758          *
1759          *       The driver waits for the link to come up after link down
1760          *       before returning I/Os to OS with "DID_NO_CONNECT".
1761          */
1762         if (nv->link_down_timeout == 0) {
1763                 ha->loop_down_abort_time =
1764                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1765         } else {
1766                 ha->link_down_timeout =  nv->link_down_timeout;
1767                 ha->loop_down_abort_time =
1768                     (LOOP_DOWN_TIME - ha->link_down_timeout);
1769         }
1770
1771         /*
1772          * Need enough time to try and get the port back.
1773          */
1774         ha->port_down_retry_count = nv->port_down_retry_count;
1775         if (qlport_down_retry)
1776                 ha->port_down_retry_count = qlport_down_retry;
1777         /* Set login_retry_count */
1778         ha->login_retry_count  = nv->retry_count;
1779         if (ha->port_down_retry_count == nv->port_down_retry_count &&
1780             ha->port_down_retry_count > 3)
1781                 ha->login_retry_count = ha->port_down_retry_count;
1782         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1783                 ha->login_retry_count = ha->port_down_retry_count;
1784         if (ql2xloginretrycount)
1785                 ha->login_retry_count = ql2xloginretrycount;
1786
1787         icb->lun_enables = __constant_cpu_to_le16(0);
1788         icb->command_resource_count = 0;
1789         icb->immediate_notify_resource_count = 0;
1790         icb->timeout = __constant_cpu_to_le16(0);
1791
1792         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1793                 /* Enable RIO */
1794                 icb->firmware_options[0] &= ~BIT_3;
1795                 icb->add_firmware_options[0] &=
1796                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1797                 icb->add_firmware_options[0] |= BIT_2;
1798                 icb->response_accumulation_timer = 3;
1799                 icb->interrupt_delay_timer = 5;
1800
1801                 ha->flags.process_response_queue = 1;
1802         } else {
1803                 /* Enable ZIO. */
1804                 if (!ha->flags.init_done) {
1805                         ha->zio_mode = icb->add_firmware_options[0] &
1806                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1807                         ha->zio_timer = icb->interrupt_delay_timer ?
1808                             icb->interrupt_delay_timer: 2;
1809                 }
1810                 icb->add_firmware_options[0] &=
1811                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1812                 ha->flags.process_response_queue = 0;
1813                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1814                         ha->zio_mode = QLA_ZIO_MODE_6;
1815
1816                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1817                             "delay (%d us).\n", ha->host_no, ha->zio_mode,
1818                             ha->zio_timer * 100));
1819                         qla_printk(KERN_INFO, ha,
1820                             "ZIO mode %d enabled; timer delay (%d us).\n",
1821                             ha->zio_mode, ha->zio_timer * 100);
1822
1823                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1824                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1825                         ha->flags.process_response_queue = 1;
1826                 }
1827         }
1828
1829         if (rval) {
1830                 DEBUG2_3(printk(KERN_WARNING
1831                     "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1832         }
1833         return (rval);
1834 }
1835
1836 static void
1837 qla2x00_rport_del(void *data)
1838 {
1839         fc_port_t *fcport = data;
1840         struct fc_rport *rport;
1841         unsigned long flags;
1842
1843         spin_lock_irqsave(&fcport->rport_lock, flags);
1844         rport = fcport->drport;
1845         fcport->drport = NULL;
1846         spin_unlock_irqrestore(&fcport->rport_lock, flags);
1847         if (rport)
1848                 fc_remote_port_delete(rport);
1849 }
1850
1851 /**
1852  * qla2x00_alloc_fcport() - Allocate a generic fcport.
1853  * @ha: HA context
1854  * @flags: allocation flags
1855  *
1856  * Returns a pointer to the allocated fcport, or NULL, if none available.
1857  */
1858 static fc_port_t *
1859 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1860 {
1861         fc_port_t *fcport;
1862
1863         fcport = kzalloc(sizeof(fc_port_t), flags);
1864         if (!fcport)
1865                 return NULL;
1866
1867         /* Setup fcport template structure. */
1868         fcport->ha = ha;
1869         fcport->vp_idx = ha->vp_idx;
1870         fcport->port_type = FCT_UNKNOWN;
1871         fcport->loop_id = FC_NO_LOOP_ID;
1872         atomic_set(&fcport->state, FCS_UNCONFIGURED);
1873         fcport->flags = FCF_RLC_SUPPORT;
1874         fcport->supported_classes = FC_COS_UNSPECIFIED;
1875         spin_lock_init(&fcport->rport_lock);
1876
1877         return fcport;
1878 }
1879
1880 /*
1881  * qla2x00_configure_loop
1882  *      Updates Fibre Channel Device Database with what is actually on loop.
1883  *
1884  * Input:
1885  *      ha                = adapter block pointer.
1886  *
1887  * Returns:
1888  *      0 = success.
1889  *      1 = error.
1890  *      2 = database was full and device was not configured.
1891  */
1892 static int
1893 qla2x00_configure_loop(scsi_qla_host_t *ha)
1894 {
1895         int  rval;
1896         unsigned long flags, save_flags;
1897
1898         rval = QLA_SUCCESS;
1899
1900         /* Get Initiator ID */
1901         if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1902                 rval = qla2x00_configure_hba(ha);
1903                 if (rval != QLA_SUCCESS) {
1904                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1905                             ha->host_no));
1906                         return (rval);
1907                 }
1908         }
1909
1910         save_flags = flags = ha->dpc_flags;
1911         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1912             ha->host_no, flags));
1913
1914         /*
1915          * If we have both an RSCN and PORT UPDATE pending then handle them
1916          * both at the same time.
1917          */
1918         clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1919         clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1920
1921         /* Determine what we need to do */
1922         if (ha->current_topology == ISP_CFG_FL &&
1923             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1924
1925                 ha->flags.rscn_queue_overflow = 1;
1926                 set_bit(RSCN_UPDATE, &flags);
1927
1928         } else if (ha->current_topology == ISP_CFG_F &&
1929             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1930
1931                 ha->flags.rscn_queue_overflow = 1;
1932                 set_bit(RSCN_UPDATE, &flags);
1933                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1934
1935         } else if (ha->current_topology == ISP_CFG_N) {
1936                 clear_bit(RSCN_UPDATE, &flags);
1937
1938         } else if (!ha->flags.online ||
1939             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1940
1941                 ha->flags.rscn_queue_overflow = 1;
1942                 set_bit(RSCN_UPDATE, &flags);
1943                 set_bit(LOCAL_LOOP_UPDATE, &flags);
1944         }
1945
1946         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1947                 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1948                         rval = QLA_FUNCTION_FAILED;
1949                 } else {
1950                         rval = qla2x00_configure_local_loop(ha);
1951                 }
1952         }
1953
1954         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1955                 if (LOOP_TRANSITION(ha)) {
1956                         rval = QLA_FUNCTION_FAILED;
1957                 } else {
1958                         rval = qla2x00_configure_fabric(ha);
1959                 }
1960         }
1961
1962         if (rval == QLA_SUCCESS) {
1963                 if (atomic_read(&ha->loop_down_timer) ||
1964                     test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1965                         rval = QLA_FUNCTION_FAILED;
1966                 } else {
1967                         atomic_set(&ha->loop_state, LOOP_READY);
1968
1969                         DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1970                 }
1971         }
1972
1973         if (rval) {
1974                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1975                     __func__, ha->host_no));
1976         } else {
1977                 DEBUG3(printk("%s: exiting normally\n", __func__));
1978         }
1979
1980         /* Restore state if a resync event occured during processing */
1981         if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1982                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1983                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1984                 if (test_bit(RSCN_UPDATE, &save_flags))
1985                         set_bit(RSCN_UPDATE, &ha->dpc_flags);
1986         }
1987
1988         return (rval);
1989 }
1990
1991
1992
1993 /*
1994  * qla2x00_configure_local_loop
1995  *      Updates Fibre Channel Device Database with local loop devices.
1996  *
1997  * Input:
1998  *      ha = adapter block pointer.
1999  *
2000  * Returns:
2001  *      0 = success.
2002  */
2003 static int
2004 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
2005 {
2006         int             rval, rval2;
2007         int             found_devs;
2008         int             found;
2009         fc_port_t       *fcport, *new_fcport;
2010
2011         uint16_t        index;
2012         uint16_t        entries;
2013         char            *id_iter;
2014         uint16_t        loop_id;
2015         uint8_t         domain, area, al_pa;
2016         scsi_qla_host_t *pha = to_qla_parent(ha);
2017
2018         found_devs = 0;
2019         new_fcport = NULL;
2020         entries = MAX_FIBRE_DEVICES;
2021
2022         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
2023         DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
2024
2025         /* Get list of logged in devices. */
2026         memset(ha->gid_list, 0, GID_LIST_SIZE);
2027         rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
2028             &entries);
2029         if (rval != QLA_SUCCESS)
2030                 goto cleanup_allocation;
2031
2032         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2033             ha->host_no, entries));
2034         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2035             entries * sizeof(struct gid_list_info)));
2036
2037         /* Allocate temporary fcport for any new fcports discovered. */
2038         new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2039         if (new_fcport == NULL) {
2040                 rval = QLA_MEMORY_ALLOC_FAILED;
2041                 goto cleanup_allocation;
2042         }
2043         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2044
2045         /*
2046          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2047          */
2048         list_for_each_entry(fcport, &pha->fcports, list) {
2049                 if (fcport->vp_idx != ha->vp_idx)
2050                         continue;
2051
2052                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2053                     fcport->port_type != FCT_BROADCAST &&
2054                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2055
2056                         DEBUG(printk("scsi(%ld): Marking port lost, "
2057                             "loop_id=0x%04x\n",
2058                             ha->host_no, fcport->loop_id));
2059
2060                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2061                         fcport->flags &= ~FCF_FARP_DONE;
2062                 }
2063         }
2064
2065         /* Add devices to port list. */
2066         id_iter = (char *)ha->gid_list;
2067         for (index = 0; index < entries; index++) {
2068                 domain = ((struct gid_list_info *)id_iter)->domain;
2069                 area = ((struct gid_list_info *)id_iter)->area;
2070                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2071                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2072                         loop_id = (uint16_t)
2073                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2074                 else
2075                         loop_id = le16_to_cpu(
2076                             ((struct gid_list_info *)id_iter)->loop_id);
2077                 id_iter += ha->gid_list_info_size;
2078
2079                 /* Bypass reserved domain fields. */
2080                 if ((domain & 0xf0) == 0xf0)
2081                         continue;
2082
2083                 /* Bypass if not same domain and area of adapter. */
2084                 if (area && domain &&
2085                     (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
2086                         continue;
2087
2088                 /* Bypass invalid local loop ID. */
2089                 if (loop_id > LAST_LOCAL_LOOP_ID)
2090                         continue;
2091
2092                 /* Fill in member data. */
2093                 new_fcport->d_id.b.domain = domain;
2094                 new_fcport->d_id.b.area = area;
2095                 new_fcport->d_id.b.al_pa = al_pa;
2096                 new_fcport->loop_id = loop_id;
2097                 new_fcport->vp_idx = ha->vp_idx;
2098                 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
2099                 if (rval2 != QLA_SUCCESS) {
2100                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2101                             "information -- get_port_database=%x, "
2102                             "loop_id=0x%04x\n",
2103                             ha->host_no, rval2, new_fcport->loop_id));
2104                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2105                             ha->host_no));
2106                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2107                         continue;
2108                 }
2109
2110                 /* Check for matching device in port list. */
2111                 found = 0;
2112                 fcport = NULL;
2113                 list_for_each_entry(fcport, &pha->fcports, list) {
2114                         if (fcport->vp_idx != ha->vp_idx)
2115                                 continue;
2116
2117                         if (memcmp(new_fcport->port_name, fcport->port_name,
2118                             WWN_SIZE))
2119                                 continue;
2120
2121                         fcport->flags &= ~(FCF_FABRIC_DEVICE |
2122                             FCF_PERSISTENT_BOUND);
2123                         fcport->loop_id = new_fcport->loop_id;
2124                         fcport->port_type = new_fcport->port_type;
2125                         fcport->d_id.b24 = new_fcport->d_id.b24;
2126                         memcpy(fcport->node_name, new_fcport->node_name,
2127                             WWN_SIZE);
2128
2129                         found++;
2130                         break;
2131                 }
2132
2133                 if (!found) {
2134                         /* New device, add to fcports list. */
2135                         new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2136                         if (ha->parent) {
2137                                 new_fcport->ha = ha;
2138                                 new_fcport->vp_idx = ha->vp_idx;
2139                                 list_add_tail(&new_fcport->vp_fcport,
2140                                     &ha->vp_fcports);
2141                         }
2142                         list_add_tail(&new_fcport->list, &pha->fcports);
2143
2144                         /* Allocate a new replacement fcport. */
2145                         fcport = new_fcport;
2146                         new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2147                         if (new_fcport == NULL) {
2148                                 rval = QLA_MEMORY_ALLOC_FAILED;
2149                                 goto cleanup_allocation;
2150                         }
2151                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2152                 }
2153
2154                 /* Base iIDMA settings on HBA port speed. */
2155                 fcport->fp_speed = ha->link_data_rate;
2156
2157                 qla2x00_update_fcport(ha, fcport);
2158
2159                 found_devs++;
2160         }
2161
2162 cleanup_allocation:
2163         kfree(new_fcport);
2164
2165         if (rval != QLA_SUCCESS) {
2166                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2167                     "rval=%x\n", ha->host_no, rval));
2168         }
2169
2170         if (found_devs) {
2171                 ha->device_flags |= DFLG_LOCAL_DEVICES;
2172                 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2173         }
2174
2175         return (rval);
2176 }
2177
2178 static void
2179 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
2180 {
2181         fc_port_t       *fcport;
2182
2183         qla2x00_mark_all_devices_lost(ha, 0);
2184         list_for_each_entry(fcport, &ha->fcports, list) {
2185                 if (fcport->port_type != FCT_TARGET)
2186                         continue;
2187
2188                 qla2x00_update_fcport(ha, fcport);
2189         }
2190 }
2191
2192 static void
2193 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2194 {
2195 #define LS_UNKNOWN      2
2196         static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
2197         int rval;
2198         uint16_t mb[6];
2199
2200         if (!IS_IIDMA_CAPABLE(ha))
2201                 return;
2202
2203         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2204             fcport->fp_speed > ha->link_data_rate)
2205                 return;
2206
2207         rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed,
2208             mb);
2209         if (rval != QLA_SUCCESS) {
2210                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2211                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2212                     ha->host_no, fcport->port_name[0], fcport->port_name[1],
2213                     fcport->port_name[2], fcport->port_name[3],
2214                     fcport->port_name[4], fcport->port_name[5],
2215                     fcport->port_name[6], fcport->port_name[7], rval,
2216                     fcport->fp_speed, mb[0], mb[1]));
2217         } else {
2218                 DEBUG2(qla_printk(KERN_INFO, ha,
2219                     "iIDMA adjusted to %s GB/s on "
2220                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2221                     link_speeds[fcport->fp_speed], fcport->port_name[0],
2222                     fcport->port_name[1], fcport->port_name[2],
2223                     fcport->port_name[3], fcport->port_name[4],
2224                     fcport->port_name[5], fcport->port_name[6],
2225                     fcport->port_name[7]));
2226         }
2227 }
2228
2229 static void
2230 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2231 {
2232         struct fc_rport_identifiers rport_ids;
2233         struct fc_rport *rport;
2234         unsigned long flags;
2235
2236         if (fcport->drport)
2237                 qla2x00_rport_del(fcport);
2238         if (fcport->rport)
2239                 return;
2240
2241         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2242         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2243         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2244             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2245         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2246         rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2247         if (!rport) {
2248                 qla_printk(KERN_WARNING, ha,
2249                     "Unable to allocate fc remote port!\n");
2250                 return;
2251         }
2252         spin_lock_irqsave(&fcport->rport_lock, flags);
2253         fcport->rport = rport;
2254         *((fc_port_t **)rport->dd_data) = fcport;
2255         spin_unlock_irqrestore(&fcport->rport_lock, flags);
2256
2257         rport->supported_classes = fcport->supported_classes;
2258
2259         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2260         if (fcport->port_type == FCT_INITIATOR)
2261                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2262         if (fcport->port_type == FCT_TARGET)
2263                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2264         fc_remote_port_rolechg(rport, rport_ids.roles);
2265 }
2266
2267 /*
2268  * qla2x00_update_fcport
2269  *      Updates device on list.
2270  *
2271  * Input:
2272  *      ha = adapter block pointer.
2273  *      fcport = port structure pointer.
2274  *
2275  * Return:
2276  *      0  - Success
2277  *  BIT_0 - error
2278  *
2279  * Context:
2280  *      Kernel context.
2281  */
2282 void
2283 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2284 {
2285         scsi_qla_host_t *pha = to_qla_parent(ha);
2286
2287         fcport->ha = ha;
2288         fcport->login_retry = 0;
2289         fcport->port_login_retry_count = pha->port_down_retry_count *
2290             PORT_RETRY_TIME;
2291         atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
2292             PORT_RETRY_TIME);
2293         fcport->flags &= ~FCF_LOGIN_NEEDED;
2294
2295         qla2x00_iidma_fcport(ha, fcport);
2296
2297         atomic_set(&fcport->state, FCS_ONLINE);
2298
2299         qla2x00_reg_remote_port(ha, fcport);
2300 }
2301
2302 /*
2303  * qla2x00_configure_fabric
2304  *      Setup SNS devices with loop ID's.
2305  *
2306  * Input:
2307  *      ha = adapter block pointer.
2308  *
2309  * Returns:
2310  *      0 = success.
2311  *      BIT_0 = error
2312  */
2313 static int
2314 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2315 {
2316         int     rval, rval2;
2317         fc_port_t       *fcport, *fcptemp;
2318         uint16_t        next_loopid;
2319         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2320         uint16_t        loop_id;
2321         LIST_HEAD(new_fcports);
2322         scsi_qla_host_t *pha = to_qla_parent(ha);
2323
2324         /* If FL port exists, then SNS is present */
2325         if (IS_FWI2_CAPABLE(ha))
2326                 loop_id = NPH_F_PORT;
2327         else
2328                 loop_id = SNS_FL_PORT;
2329         rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
2330         if (rval != QLA_SUCCESS) {
2331                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2332                     "Port\n", ha->host_no));
2333
2334                 ha->device_flags &= ~SWITCH_FOUND;
2335                 return (QLA_SUCCESS);
2336         }
2337         ha->device_flags |= SWITCH_FOUND;
2338
2339         /* Mark devices that need re-synchronization. */
2340         rval2 = qla2x00_device_resync(ha);
2341         if (rval2 == QLA_RSCNS_HANDLED) {
2342                 /* No point doing the scan, just continue. */
2343                 return (QLA_SUCCESS);
2344         }
2345         do {
2346                 /* FDMI support. */
2347                 if (ql2xfdmienable &&
2348                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2349                         qla2x00_fdmi_register(ha);
2350
2351                 /* Ensure we are logged into the SNS. */
2352                 if (IS_FWI2_CAPABLE(ha))
2353                         loop_id = NPH_SNS;
2354                 else
2355                         loop_id = SIMPLE_NAME_SERVER;
2356                 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff,
2357                     0xfc, mb, BIT_1 | BIT_0);
2358                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2359                         DEBUG2(qla_printk(KERN_INFO, ha,
2360                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2361                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2362                             mb[0], mb[1], mb[2], mb[6], mb[7]));
2363                         return (QLA_SUCCESS);
2364                 }
2365
2366                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2367                         if (qla2x00_rft_id(ha)) {
2368                                 /* EMPTY */
2369                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2370                                     "TYPE failed.\n", ha->host_no));
2371                         }
2372                         if (qla2x00_rff_id(ha)) {
2373                                 /* EMPTY */
2374                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2375                                     "Features failed.\n", ha->host_no));
2376                         }
2377                         if (qla2x00_rnn_id(ha)) {
2378                                 /* EMPTY */
2379                                 DEBUG2(printk("scsi(%ld): Register Node Name "
2380                                     "failed.\n", ha->host_no));
2381                         } else if (qla2x00_rsnn_nn(ha)) {
2382                                 /* EMPTY */
2383                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
2384                                     "Node Name failed.\n", ha->host_no));
2385                         }
2386                 }
2387
2388                 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2389                 if (rval != QLA_SUCCESS)
2390                         break;
2391
2392                 /*
2393                  * Logout all previous fabric devices marked lost, except
2394                  * tape devices.
2395                  */
2396                 list_for_each_entry(fcport, &pha->fcports, list) {
2397                         if (fcport->vp_idx !=ha->vp_idx)
2398                                 continue;
2399
2400                         if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2401                                 break;
2402
2403                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2404                                 continue;
2405
2406                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2407                                 qla2x00_mark_device_lost(ha, fcport,
2408                                     ql2xplogiabsentdevice, 0);
2409                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
2410                                     (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2411                                     fcport->port_type != FCT_INITIATOR &&
2412                                     fcport->port_type != FCT_BROADCAST) {
2413                                         ha->isp_ops->fabric_logout(ha,
2414                                             fcport->loop_id,
2415                                             fcport->d_id.b.domain,
2416                                             fcport->d_id.b.area,
2417                                             fcport->d_id.b.al_pa);
2418                                         fcport->loop_id = FC_NO_LOOP_ID;
2419                                 }
2420                         }
2421                 }
2422
2423                 /* Starting free loop ID. */
2424                 next_loopid = pha->min_external_loopid;
2425
2426                 /*
2427                  * Scan through our port list and login entries that need to be
2428                  * logged in.
2429                  */
2430                 list_for_each_entry(fcport, &pha->fcports, list) {
2431                         if (fcport->vp_idx != ha->vp_idx)
2432                                 continue;
2433
2434                         if (atomic_read(&ha->loop_down_timer) ||
2435                             test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2436                                 break;
2437
2438                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2439                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2440                                 continue;
2441
2442                         if (fcport->loop_id == FC_NO_LOOP_ID) {
2443                                 fcport->loop_id = next_loopid;
2444                                 rval = qla2x00_find_new_loop_id(ha, fcport);
2445                                 if (rval != QLA_SUCCESS) {
2446                                         /* Ran out of IDs to use */
2447                                         break;
2448                                 }
2449                         }
2450                         /* Login and update database */
2451                         qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2452                 }
2453
2454                 /* Exit if out of loop IDs. */
2455                 if (rval != QLA_SUCCESS) {
2456                         break;
2457                 }
2458
2459                 /*
2460                  * Login and add the new devices to our port list.
2461                  */
2462                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2463                         if (atomic_read(&ha->loop_down_timer) ||
2464                             test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2465                                 break;
2466
2467                         /* Find a new loop ID to use. */
2468                         fcport->loop_id = next_loopid;
2469                         rval = qla2x00_find_new_loop_id(ha, fcport);
2470                         if (rval != QLA_SUCCESS) {
2471                                 /* Ran out of IDs to use */
2472                                 break;
2473                         }
2474
2475                         /* Login and update database */
2476                         qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2477
2478                         if (ha->parent) {
2479                                 fcport->ha = ha;
2480                                 fcport->vp_idx = ha->vp_idx;
2481                                 list_add_tail(&fcport->vp_fcport,
2482                                     &ha->vp_fcports);
2483                                 list_move_tail(&fcport->list,
2484                                     &ha->parent->fcports);
2485                         } else
2486                                 list_move_tail(&fcport->list, &ha->fcports);
2487                 }
2488         } while (0);
2489
2490         /* Free all new device structures not processed. */
2491         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2492                 list_del(&fcport->list);
2493                 kfree(fcport);
2494         }
2495
2496         if (rval) {
2497                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2498                     "rval=%d\n", ha->host_no, rval));
2499         }
2500
2501         return (rval);
2502 }
2503
2504
2505 /*
2506  * qla2x00_find_all_fabric_devs
2507  *
2508  * Input:
2509  *      ha = adapter block pointer.
2510  *      dev = database device entry pointer.
2511  *
2512  * Returns:
2513  *      0 = success.
2514  *
2515  * Context:
2516  *      Kernel context.
2517  */
2518 static int
2519 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2520 {
2521         int             rval;
2522         uint16_t        loop_id;
2523         fc_port_t       *fcport, *new_fcport, *fcptemp;
2524         int             found;
2525
2526         sw_info_t       *swl;
2527         int             swl_idx;
2528         int             first_dev, last_dev;
2529         port_id_t       wrap, nxt_d_id;
2530         int             vp_index;
2531         int             empty_vp_index;
2532         int             found_vp;
2533         scsi_qla_host_t *vha;
2534         scsi_qla_host_t *pha = to_qla_parent(ha);
2535
2536         rval = QLA_SUCCESS;
2537
2538         /* Try GID_PT to get device list, else GAN. */
2539         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC);
2540         if (!swl) {
2541                 /*EMPTY*/
2542                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2543                     "on GA_NXT\n", ha->host_no));
2544         } else {
2545                 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2546                         kfree(swl);
2547                         swl = NULL;
2548                 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2549                         kfree(swl);
2550                         swl = NULL;
2551                 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2552                         kfree(swl);
2553                         swl = NULL;
2554                 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
2555                         qla2x00_gpsc(ha, swl);
2556                 }
2557         }
2558         swl_idx = 0;
2559
2560         /* Allocate temporary fcport for any new fcports discovered. */
2561         new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2562         if (new_fcport == NULL) {
2563                 kfree(swl);
2564                 return (QLA_MEMORY_ALLOC_FAILED);
2565         }
2566         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2567         new_fcport->vp_idx = ha->vp_idx;
2568         /* Set start port ID scan at adapter ID. */
2569         first_dev = 1;
2570         last_dev = 0;
2571
2572         /* Starting free loop ID. */
2573         loop_id = pha->min_external_loopid;
2574         for (; loop_id <= ha->last_loop_id; loop_id++) {
2575                 if (qla2x00_is_reserved_id(ha, loop_id))
2576                         continue;
2577
2578                 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
2579                         break;
2580
2581                 if (swl != NULL) {
2582                         if (last_dev) {
2583                                 wrap.b24 = new_fcport->d_id.b24;
2584                         } else {
2585                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2586                                 memcpy(new_fcport->node_name,
2587                                     swl[swl_idx].node_name, WWN_SIZE);
2588                                 memcpy(new_fcport->port_name,
2589                                     swl[swl_idx].port_name, WWN_SIZE);
2590                                 memcpy(new_fcport->fabric_port_name,
2591                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
2592                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2593
2594                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2595                                         last_dev = 1;
2596                                 }
2597                                 swl_idx++;
2598                         }
2599                 } else {
2600                         /* Send GA_NXT to the switch */
2601                         rval = qla2x00_ga_nxt(ha, new_fcport);
2602                         if (rval != QLA_SUCCESS) {
2603                                 qla_printk(KERN_WARNING, ha,
2604                                     "SNS scan failed -- assuming zero-entry "
2605                                     "result...\n");
2606                                 list_for_each_entry_safe(fcport, fcptemp,
2607                                     new_fcports, list) {
2608                                         list_del(&fcport->list);
2609                                         kfree(fcport);
2610                                 }
2611                                 rval = QLA_SUCCESS;
2612                                 break;
2613                         }
2614                 }
2615
2616                 /* If wrap on switch device list, exit. */
2617                 if (first_dev) {
2618                         wrap.b24 = new_fcport->d_id.b24;
2619                         first_dev = 0;
2620                 } else if (new_fcport->d_id.b24 == wrap.b24) {
2621                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2622                             ha->host_no, new_fcport->d_id.b.domain,
2623                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2624                         break;
2625                 }
2626
2627                 /* Bypass if same physical adapter. */
2628                 if (new_fcport->d_id.b24 == pha->d_id.b24)
2629                         continue;
2630
2631                 /* Bypass virtual ports of the same host. */
2632                 if (pha->num_vhosts) {
2633                         for_each_mapped_vp_idx(pha, vp_index) {
2634                                 empty_vp_index = 1;
2635                                 found_vp = 0;
2636                                 list_for_each_entry(vha, &pha->vp_list,
2637                                     vp_list) {
2638                                         if (vp_index == vha->vp_idx) {
2639                                                 empty_vp_index = 0;
2640                                                 found_vp = 1;
2641                                                 break;
2642                                         }
2643                                 }
2644
2645                                 if (empty_vp_index)
2646                                         continue;
2647
2648                                 if (found_vp &&
2649                                     new_fcport->d_id.b24 == vha->d_id.b24)
2650                                         break;
2651                         }
2652
2653                         if (vp_index <= pha->max_npiv_vports)
2654                                 continue;
2655                 }
2656
2657                 /* Bypass if same domain and area of adapter. */
2658                 if (((new_fcport->d_id.b24 & 0xffff00) ==
2659                     (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2660                         ISP_CFG_FL)
2661                             continue;
2662
2663                 /* Bypass reserved domain fields. */
2664                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2665                         continue;
2666
2667                 /* Locate matching device in database. */
2668                 found = 0;
2669                 list_for_each_entry(fcport, &pha->fcports, list) {
2670                         if (new_fcport->vp_idx != fcport->vp_idx)
2671                                 continue;
2672                         if (memcmp(new_fcport->port_name, fcport->port_name,
2673                             WWN_SIZE))
2674                                 continue;
2675
2676                         found++;
2677
2678                         /* Update port state. */
2679                         memcpy(fcport->fabric_port_name,
2680                             new_fcport->fabric_port_name, WWN_SIZE);
2681                         fcport->fp_speed = new_fcport->fp_speed;
2682
2683                         /*
2684                          * If address the same and state FCS_ONLINE, nothing
2685                          * changed.
2686                          */
2687                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2688                             atomic_read(&fcport->state) == FCS_ONLINE) {
2689                                 break;
2690                         }
2691
2692                         /*
2693                          * If device was not a fabric device before.
2694                          */
2695                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2696                                 fcport->d_id.b24 = new_fcport->d_id.b24;
2697                                 fcport->loop_id = FC_NO_LOOP_ID;
2698                                 fcport->flags |= (FCF_FABRIC_DEVICE |
2699                                     FCF_LOGIN_NEEDED);
2700                                 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2701                                 break;
2702                         }
2703
2704                         /*
2705                          * Port ID changed or device was marked to be updated;
2706                          * Log it out if still logged in and mark it for
2707                          * relogin later.
2708                          */
2709                         fcport->d_id.b24 = new_fcport->d_id.b24;
2710                         fcport->flags |= FCF_LOGIN_NEEDED;
2711                         if (fcport->loop_id != FC_NO_LOOP_ID &&
2712                             (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2713                             fcport->port_type != FCT_INITIATOR &&
2714                             fcport->port_type != FCT_BROADCAST) {
2715                                 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2716                                     fcport->d_id.b.domain, fcport->d_id.b.area,
2717                                     fcport->d_id.b.al_pa);
2718                                 fcport->loop_id = FC_NO_LOOP_ID;
2719                         }
2720
2721                         break;
2722                 }
2723
2724                 if (found)
2725                         continue;
2726
2727                 /* If device was not in our fcports list, then add it. */
2728                 list_add_tail(&new_fcport->list, new_fcports);
2729
2730                 /* Allocate a new replacement fcport. */
2731                 nxt_d_id.b24 = new_fcport->d_id.b24;
2732                 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2733                 if (new_fcport == NULL) {
2734                         kfree(swl);
2735                         return (QLA_MEMORY_ALLOC_FAILED);
2736                 }
2737                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2738                 new_fcport->d_id.b24 = nxt_d_id.b24;
2739                 new_fcport->vp_idx = ha->vp_idx;
2740         }
2741
2742         kfree(swl);
2743         kfree(new_fcport);
2744
2745         if (!list_empty(new_fcports))
2746                 ha->device_flags |= DFLG_FABRIC_DEVICES;
2747
2748         return (rval);
2749 }
2750
2751 /*
2752  * qla2x00_find_new_loop_id
2753  *      Scan through our port list and find a new usable loop ID.
2754  *
2755  * Input:
2756  *      ha:     adapter state pointer.
2757  *      dev:    port structure pointer.
2758  *
2759  * Returns:
2760  *      qla2x00 local function return status code.
2761  *
2762  * Context:
2763  *      Kernel context.
2764  */
2765 static int
2766 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2767 {
2768         int     rval;
2769         int     found;
2770         fc_port_t *fcport;
2771         uint16_t first_loop_id;
2772         scsi_qla_host_t *pha = to_qla_parent(ha);
2773
2774         rval = QLA_SUCCESS;
2775
2776         /* Save starting loop ID. */
2777         first_loop_id = dev->loop_id;
2778
2779         for (;;) {
2780                 /* Skip loop ID if already used by adapter. */
2781                 if (dev->loop_id == ha->loop_id) {
2782                         dev->loop_id++;
2783                 }
2784
2785                 /* Skip reserved loop IDs. */
2786                 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2787                         dev->loop_id++;
2788                 }
2789
2790                 /* Reset loop ID if passed the end. */
2791                 if (dev->loop_id > ha->last_loop_id) {
2792                         /* first loop ID. */
2793                         dev->loop_id = ha->min_external_loopid;
2794                 }
2795
2796                 /* Check for loop ID being already in use. */
2797                 found = 0;
2798                 fcport = NULL;
2799                 list_for_each_entry(fcport, &pha->fcports, list) {
2800                         if (fcport->loop_id == dev->loop_id && fcport != dev) {
2801                                 /* ID possibly in use */
2802                                 found++;
2803                                 break;
2804                         }
2805                 }
2806
2807                 /* If not in use then it is free to use. */
2808                 if (!found) {
2809                         break;
2810                 }
2811
2812                 /* ID in use. Try next value. */
2813                 dev->loop_id++;
2814
2815                 /* If wrap around. No free ID to use. */
2816                 if (dev->loop_id == first_loop_id) {
2817                         dev->loop_id = FC_NO_LOOP_ID;
2818                         rval = QLA_FUNCTION_FAILED;
2819                         break;
2820                 }
2821         }
2822
2823         return (rval);
2824 }
2825
2826 /*
2827  * qla2x00_device_resync
2828  *      Marks devices in the database that needs resynchronization.
2829  *
2830  * Input:
2831  *      ha = adapter block pointer.
2832  *
2833  * Context:
2834  *      Kernel context.
2835  */
2836 static int
2837 qla2x00_device_resync(scsi_qla_host_t *ha)
2838 {
2839         int     rval;
2840         uint32_t mask;
2841         fc_port_t *fcport;
2842         uint32_t rscn_entry;
2843         uint8_t rscn_out_iter;
2844         uint8_t format;
2845         port_id_t d_id;
2846         scsi_qla_host_t *pha = to_qla_parent(ha);
2847
2848         rval = QLA_RSCNS_HANDLED;
2849
2850         while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2851             ha->flags.rscn_queue_overflow) {
2852
2853                 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2854                 format = MSB(MSW(rscn_entry));
2855                 d_id.b.domain = LSB(MSW(rscn_entry));
2856                 d_id.b.area = MSB(LSW(rscn_entry));
2857                 d_id.b.al_pa = LSB(LSW(rscn_entry));
2858
2859                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2860                     "[%02x/%02x%02x%02x].\n",
2861                     ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2862                     d_id.b.area, d_id.b.al_pa));
2863
2864                 ha->rscn_out_ptr++;
2865                 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2866                         ha->rscn_out_ptr = 0;
2867
2868                 /* Skip duplicate entries. */
2869                 for (rscn_out_iter = ha->rscn_out_ptr;
2870                     !ha->flags.rscn_queue_overflow &&
2871                     rscn_out_iter != ha->rscn_in_ptr;
2872                     rscn_out_iter = (rscn_out_iter ==
2873                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2874
2875                         if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2876                                 break;
2877
2878                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2879                             "entry found at [%d].\n", ha->host_no,
2880                             rscn_out_iter));
2881
2882                         ha->rscn_out_ptr = rscn_out_iter;
2883                 }
2884
2885                 /* Queue overflow, set switch default case. */
2886                 if (ha->flags.rscn_queue_overflow) {
2887                         DEBUG(printk("scsi(%ld): device_resync: rscn "
2888                             "overflow.\n", ha->host_no));
2889
2890                         format = 3;
2891                         ha->flags.rscn_queue_overflow = 0;
2892                 }
2893
2894                 switch (format) {
2895                 case 0:
2896                         mask = 0xffffff;
2897                         break;
2898                 case 1:
2899                         mask = 0xffff00;
2900                         break;
2901                 case 2:
2902                         mask = 0xff0000;
2903                         break;
2904                 default:
2905                         mask = 0x0;
2906                         d_id.b24 = 0;
2907                         ha->rscn_out_ptr = ha->rscn_in_ptr;
2908                         break;
2909                 }
2910
2911                 rval = QLA_SUCCESS;
2912
2913                 list_for_each_entry(fcport, &pha->fcports, list) {
2914                         if (fcport->vp_idx != ha->vp_idx)
2915                                 continue;
2916
2917                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2918                             (fcport->d_id.b24 & mask) != d_id.b24 ||
2919                             fcport->port_type == FCT_BROADCAST)
2920                                 continue;
2921
2922                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
2923                                 if (format != 3 ||
2924                                     fcport->port_type != FCT_INITIATOR) {
2925                                         qla2x00_mark_device_lost(ha, fcport,
2926                                             0, 0);
2927                                 }
2928                         }
2929                         fcport->flags &= ~FCF_FARP_DONE;
2930                 }
2931         }
2932         return (rval);
2933 }
2934
2935 /*
2936  * qla2x00_fabric_dev_login
2937  *      Login fabric target device and update FC port database.
2938  *
2939  * Input:
2940  *      ha:             adapter state pointer.
2941  *      fcport:         port structure list pointer.
2942  *      next_loopid:    contains value of a new loop ID that can be used
2943  *                      by the next login attempt.
2944  *
2945  * Returns:
2946  *      qla2x00 local function return status code.
2947  *
2948  * Context:
2949  *      Kernel context.
2950  */
2951 static int
2952 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2953     uint16_t *next_loopid)
2954 {
2955         int     rval;
2956         int     retry;
2957         uint8_t opts;
2958
2959         rval = QLA_SUCCESS;
2960         retry = 0;
2961
2962         rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2963         if (rval == QLA_SUCCESS) {
2964                 /* Send an ADISC to tape devices.*/
2965                 opts = 0;
2966                 if (fcport->flags & FCF_TAPE_PRESENT)
2967                         opts |= BIT_1;
2968                 rval = qla2x00_get_port_database(ha, fcport, opts);
2969                 if (rval != QLA_SUCCESS) {
2970                         ha->isp_ops->fabric_logout(ha, fcport->loop_id,
2971                             fcport->d_id.b.domain, fcport->d_id.b.area,
2972                             fcport->d_id.b.al_pa);
2973                         qla2x00_mark_device_lost(ha, fcport, 1, 0);
2974                 } else {
2975                         qla2x00_update_fcport(ha, fcport);
2976                 }
2977         }
2978
2979         return (rval);
2980 }
2981
2982 /*
2983  * qla2x00_fabric_login
2984  *      Issue fabric login command.
2985  *
2986  * Input:
2987  *      ha = adapter block pointer.
2988  *      device = pointer to FC device type structure.
2989  *
2990  * Returns:
2991  *      0 - Login successfully
2992  *      1 - Login failed
2993  *      2 - Initiator device
2994  *      3 - Fatal error
2995  */
2996 int
2997 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2998     uint16_t *next_loopid)
2999 {
3000         int     rval;
3001         int     retry;
3002         uint16_t tmp_loopid;
3003         uint16_t mb[MAILBOX_REGISTER_COUNT];
3004
3005         retry = 0;
3006         tmp_loopid = 0;
3007
3008         for (;;) {
3009                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3010                     "for port %02x%02x%02x.\n",
3011                     ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3012                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3013
3014                 /* Login fcport on switch. */
3015                 ha->isp_ops->fabric_login(ha, fcport->loop_id,
3016                     fcport->d_id.b.domain, fcport->d_id.b.area,
3017                     fcport->d_id.b.al_pa, mb, BIT_0);
3018                 if (mb[0] == MBS_PORT_ID_USED) {
3019                         /*
3020                          * Device has another loop ID.  The firmware team
3021                          * recommends the driver perform an implicit login with
3022                          * the specified ID again. The ID we just used is save
3023                          * here so we return with an ID that can be tried by
3024                          * the next login.
3025                          */
3026                         retry++;
3027                         tmp_loopid = fcport->loop_id;
3028                         fcport->loop_id = mb[1];
3029
3030                         DEBUG(printk("Fabric Login: port in use - next "
3031                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3032                             fcport->loop_id, fcport->d_id.b.domain,
3033                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3034
3035                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3036                         /*
3037                          * Login succeeded.
3038                          */
3039                         if (retry) {
3040                                 /* A retry occurred before. */
3041                                 *next_loopid = tmp_loopid;
3042                         } else {
3043                                 /*
3044                                  * No retry occurred before. Just increment the
3045                                  * ID value for next login.
3046                                  */
3047                                 *next_loopid = (fcport->loop_id + 1);
3048                         }
3049
3050                         if (mb[1] & BIT_0) {
3051                                 fcport->port_type = FCT_INITIATOR;
3052                         } else {
3053                                 fcport->port_type = FCT_TARGET;
3054                                 if (mb[1] & BIT_1) {
3055                                         fcport->flags |= FCF_TAPE_PRESENT;
3056                                 }
3057                         }
3058
3059                         if (mb[10] & BIT_0)
3060                                 fcport->supported_classes |= FC_COS_CLASS2;
3061                         if (mb[10] & BIT_1)
3062                                 fcport->supported_classes |= FC_COS_CLASS3;
3063
3064                         rval = QLA_SUCCESS;
3065                         break;
3066                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3067                         /*
3068                          * Loop ID already used, try next loop ID.
3069                          */
3070                         fcport->loop_id++;
3071                         rval = qla2x00_find_new_loop_id(ha, fcport);
3072                         if (rval != QLA_SUCCESS) {
3073                                 /* Ran out of loop IDs to use */
3074                                 break;
3075                         }
3076                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3077                         /*
3078                          * Firmware possibly timed out during login. If NO
3079                          * retries are left to do then the device is declared
3080                          * dead.
3081                          */
3082                         *next_loopid = fcport->loop_id;
3083                         ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3084                             fcport->d_id.b.domain, fcport->d_id.b.area,
3085                             fcport->d_id.b.al_pa);
3086                         qla2x00_mark_device_lost(ha, fcport, 1, 0);
3087
3088                         rval = 1;
3089                         break;
3090                 } else {
3091                         /*
3092                          * unrecoverable / not handled error
3093                          */
3094                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3095                             "loop_id=%x jiffies=%lx.\n",
3096                             __func__, ha->host_no, mb[0],
3097                             fcport->d_id.b.domain, fcport->d_id.b.area,
3098                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3099
3100                         *next_loopid = fcport->loop_id;
3101                         ha->isp_ops->fabric_logout(ha, fcport->loop_id,
3102                             fcport->d_id.b.domain, fcport->d_id.b.area,
3103                             fcport->d_id.b.al_pa);
3104                         fcport->loop_id = FC_NO_LOOP_ID;
3105                         fcport->login_retry = 0;
3106
3107                         rval = 3;
3108                         break;
3109                 }
3110         }
3111
3112         return (rval);
3113 }
3114
3115 /*
3116  * qla2x00_local_device_login
3117  *      Issue local device login command.
3118  *
3119  * Input:
3120  *      ha = adapter block pointer.
3121  *      loop_id = loop id of device to login to.
3122  *
3123  * Returns (Where's the #define!!!!):
3124  *      0 - Login successfully
3125  *      1 - Login failed
3126  *      3 - Fatal error
3127  */
3128 int
3129 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
3130 {
3131         int             rval;
3132         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3133
3134         memset(mb, 0, sizeof(mb));
3135         rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
3136         if (rval == QLA_SUCCESS) {
3137                 /* Interrogate mailbox registers for any errors */
3138                 if (mb[0] == MBS_COMMAND_ERROR)
3139                         rval = 1;
3140                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3141                         /* device not in PCB table */
3142                         rval = 3;
3143         }
3144
3145         return (rval);
3146 }
3147
3148 /*
3149  *  qla2x00_loop_resync
3150  *      Resync with fibre channel devices.
3151  *
3152  * Input:
3153  *      ha = adapter block pointer.
3154  *
3155  * Returns:
3156  *      0 = success
3157  */
3158 int
3159 qla2x00_loop_resync(scsi_qla_host_t *ha)
3160 {
3161         int   rval;
3162         uint32_t wait_time;
3163
3164         rval = QLA_SUCCESS;
3165
3166         atomic_set(&ha->loop_state, LOOP_UPDATE);
3167         clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3168         if (ha->flags.online) {
3169                 if (!(rval = qla2x00_fw_ready(ha))) {
3170                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3171                         wait_time = 256;
3172                         do {
3173                                 atomic_set(&ha->loop_state, LOOP_UPDATE);
3174
3175                                 /* Issue a marker after FW becomes ready. */
3176                                 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3177                                 ha->marker_needed = 0;
3178
3179                                 /* Remap devices on Loop. */
3180                                 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3181
3182                                 qla2x00_configure_loop(ha);
3183                                 wait_time--;
3184                         } while (!atomic_read(&ha->loop_down_timer) &&
3185                                 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3186                                 wait_time &&
3187                                 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3188                 }
3189         }
3190
3191         if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3192                 return (QLA_FUNCTION_FAILED);
3193         }
3194
3195         if (rval) {
3196                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3197         }
3198
3199         return (rval);
3200 }
3201
3202 void
3203 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3204 {
3205         int rescan_done;
3206         fc_port_t *fcport;
3207
3208         rescan_done = 0;
3209         list_for_each_entry(fcport, &ha->fcports, list) {
3210                 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3211                         continue;
3212
3213                 qla2x00_update_fcport(ha, fcport);
3214                 fcport->flags &= ~FCF_RESCAN_NEEDED;
3215
3216                 rescan_done = 1;
3217         }
3218         qla2x00_probe_for_all_luns(ha);
3219 }
3220
3221 void
3222 qla2x00_update_fcports(scsi_qla_host_t *ha)
3223 {
3224         fc_port_t *fcport;
3225
3226         /* Go with deferred removal of rport references. */
3227         list_for_each_entry(fcport, &ha->fcports, list)
3228                 if (fcport->drport)
3229                         qla2x00_rport_del(fcport);
3230 }
3231
3232 /*
3233 *  qla2x00_abort_isp
3234 *      Resets ISP and aborts all outstanding commands.
3235 *
3236 * Input:
3237 *      ha           = adapter block pointer.
3238 *
3239 * Returns:
3240 *      0 = success
3241 */
3242 int
3243 qla2x00_abort_isp(scsi_qla_host_t *ha)
3244 {
3245         int rval;
3246         uint8_t        status = 0;
3247
3248         if (ha->flags.online) {
3249                 ha->flags.online = 0;
3250                 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3251
3252                 qla_printk(KERN_INFO, ha,
3253                     "Performing ISP error recovery - ha= %p.\n", ha);
3254                 ha->isp_ops->reset_chip(ha);
3255
3256                 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3257                 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3258                         atomic_set(&ha->loop_state, LOOP_DOWN);
3259                         qla2x00_mark_all_devices_lost(ha, 0);
3260                 } else {
3261                         if (!atomic_read(&ha->loop_down_timer))
3262                                 atomic_set(&ha->loop_down_timer,
3263                                     LOOP_DOWN_TIME);
3264                 }
3265
3266                 /* Requeue all commands in outstanding command list. */
3267                 qla2x00_abort_all_cmds(ha, DID_RESET << 16);
3268
3269                 ha->isp_ops->get_flash_version(ha, ha->request_ring);
3270
3271                 ha->isp_ops->nvram_config(ha);
3272
3273                 if (!qla2x00_restart_isp(ha)) {
3274                         clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3275
3276                         if (!atomic_read(&ha->loop_down_timer)) {
3277                                 /*
3278                                  * Issue marker command only when we are going
3279                                  * to start the I/O .
3280                                  */
3281                                 ha->marker_needed = 1;
3282                         }
3283
3284                         ha->flags.online = 1;
3285
3286                         ha->isp_ops->enable_intrs(ha);
3287
3288                         ha->isp_abort_cnt = 0;
3289                         clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3290
3291                         if (ha->eft) {
3292                                 memset(ha->eft, 0, EFT_SIZE);
3293                                 rval = qla2x00_enable_eft_trace(ha,
3294                                     ha->eft_dma, EFT_NUM_BUFFERS);
3295                                 if (rval) {
3296                                         qla_printk(KERN_WARNING, ha,
3297                                             "Unable to reinitialize EFT "
3298                                             "(%d).\n", rval);
3299                                 }
3300                         }
3301
3302                         if (ha->fce) {
3303                                 ha->flags.fce_enabled = 1;
3304                                 memset(ha->fce, 0,
3305                                     fce_calc_size(ha->fce_bufs));
3306                                 rval = qla2x00_enable_fce_trace(ha,
3307                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3308                                     &ha->fce_bufs);
3309                                 if (rval) {
3310                                         qla_printk(KERN_WARNING, ha,
3311                                             "Unable to reinitialize FCE "
3312                                             "(%d).\n", rval);
3313                                         ha->flags.fce_enabled = 0;
3314                                 }
3315                         }
3316                 } else {        /* failed the ISP abort */
3317                         ha->flags.online = 1;
3318                         if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3319                                 if (ha->isp_abort_cnt == 0) {
3320                                         qla_printk(KERN_WARNING, ha,
3321                                             "ISP error recovery failed - "
3322                                             "board disabled\n");
3323                                         /*
3324                                          * The next call disables the board
3325                                          * completely.
3326                                          */
3327                                         ha->isp_ops->reset_adapter(ha);
3328                                         ha->flags.online = 0;
3329                                         clear_bit(ISP_ABORT_RETRY,
3330                                             &ha->dpc_flags);
3331                                         status = 0;
3332                                 } else { /* schedule another ISP abort */
3333                                         ha->isp_abort_cnt--;
3334                                         DEBUG(printk("qla%ld: ISP abort - "
3335                                             "retry remaining %d\n",
3336                                             ha->host_no, ha->isp_abort_cnt));
3337                                         status = 1;
3338                                 }
3339                         } else {
3340                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3341                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3342                                     "- retrying (%d) more times\n",
3343                                     ha->host_no, ha->isp_abort_cnt));
3344                                 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3345                                 status = 1;
3346                         }
3347                 }
3348
3349         }
3350
3351         if (status) {
3352                 qla_printk(KERN_INFO, ha,
3353                         "qla2x00_abort_isp: **** FAILED ****\n");
3354         } else {
3355                 DEBUG(printk(KERN_INFO
3356                                 "qla2x00_abort_isp(%ld): exiting.\n",
3357                                 ha->host_no));
3358         }
3359
3360         return(status);
3361 }
3362
3363 /*
3364 *  qla2x00_restart_isp
3365 *      restarts the ISP after a reset
3366 *
3367 * Input:
3368 *      ha = adapter block pointer.
3369 *
3370 * Returns:
3371 *      0 = success
3372 */
3373 static int
3374 qla2x00_restart_isp(scsi_qla_host_t *ha)
3375 {
3376         uint8_t         status = 0;
3377         uint32_t wait_time;
3378
3379         /* If firmware needs to be loaded */
3380         if (qla2x00_isp_firmware(ha)) {
3381                 ha->flags.online = 0;
3382                 if (!(status = ha->isp_ops->chip_diag(ha)))
3383                         status = qla2x00_setup_chip(ha);
3384         }
3385
3386         if (!status && !(status = qla2x00_init_rings(ha))) {
3387                 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3388                 if (!(status = qla2x00_fw_ready(ha))) {
3389                         DEBUG(printk("%s(): Start configure loop, "
3390                             "status = %d\n", __func__, status));
3391
3392                         /* Issue a marker after FW becomes ready. */
3393                         qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3394
3395                         ha->flags.online = 1;
3396                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3397                         wait_time = 256;
3398                         do {
3399                                 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3400                                 qla2x00_configure_loop(ha);
3401                                 wait_time--;
3402                         } while (!atomic_read(&ha->loop_down_timer) &&
3403                                 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3404                                 wait_time &&
3405                                 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3406                 }
3407
3408                 /* if no cable then assume it's good */
3409                 if ((ha->device_flags & DFLG_NO_CABLE))
3410                         status = 0;
3411
3412                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3413                                 __func__,
3414                                 status));
3415         }
3416         return (status);
3417 }
3418
3419 /*
3420 * qla2x00_reset_adapter
3421 *      Reset adapter.
3422 *
3423 * Input:
3424 *      ha = adapter block pointer.
3425 */
3426 void
3427 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3428 {
3429         unsigned long flags = 0;
3430         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3431
3432         ha->flags.online = 0;
3433         ha->isp_ops->disable_intrs(ha);
3434
3435         spin_lock_irqsave(&ha->hardware_lock, flags);
3436         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3437         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3438         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3439         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3440         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3441 }
3442
3443 void
3444 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3445 {
3446         unsigned long flags = 0;
3447         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3448
3449         ha->flags.online = 0;
3450         ha->isp_ops->disable_intrs(ha);
3451
3452         spin_lock_irqsave(&ha->hardware_lock, flags);
3453         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3454         RD_REG_DWORD(&reg->hccr);
3455         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3456         RD_REG_DWORD(&reg->hccr);
3457         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3458 }
3459
3460 /* On sparc systems, obtain port and node WWN from firmware
3461  * properties.
3462  */
3463 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv)
3464 {
3465 #ifdef CONFIG_SPARC
3466         struct pci_dev *pdev = ha->pdev;
3467         struct device_node *dp = pci_device_to_OF_node(pdev);
3468         const u8 *val;
3469         int len;
3470
3471         val = of_get_property(dp, "port-wwn", &len);
3472         if (val && len >= WWN_SIZE)
3473                 memcpy(nv->port_name, val, WWN_SIZE);
3474
3475         val = of_get_property(dp, "node-wwn", &len);
3476         if (val && len >= WWN_SIZE)
3477                 memcpy(nv->node_name, val, WWN_SIZE);
3478 #endif
3479 }
3480
3481 int
3482 qla24xx_nvram_config(scsi_qla_host_t *ha)
3483 {
3484         int   rval;
3485         struct init_cb_24xx *icb;
3486         struct nvram_24xx *nv;
3487         uint32_t *dptr;
3488         uint8_t  *dptr1, *dptr2;
3489         uint32_t chksum;
3490         uint16_t cnt;
3491
3492         rval = QLA_SUCCESS;
3493         icb = (struct init_cb_24xx *)ha->init_cb;
3494         nv = ha->nvram;
3495
3496         /* Determine NVRAM starting address. */
3497         ha->nvram_size = sizeof(struct nvram_24xx);
3498         ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3499         ha->vpd_size = FA_NVRAM_VPD_SIZE;
3500         ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3501         if (PCI_FUNC(ha->pdev->devfn)) {
3502                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3503                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3504         }
3505
3506         /* Get VPD data into cache */
3507         ha->vpd = ha->nvram + VPD_OFFSET;
3508         ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd,
3509             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3510
3511         /* Get NVRAM data into cache and calculate checksum. */
3512         dptr = (uint32_t *)nv;
3513         ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3514             ha->nvram_size);
3515         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3516                 chksum += le32_to_cpu(*dptr++);
3517
3518         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3519         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3520
3521         /* Bad NVRAM data, set defaults parameters. */
3522         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3523             || nv->id[3] != ' ' ||
3524             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3525                 /* Reset NVRAM data. */
3526                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3527                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3528                     le16_to_cpu(nv->nvram_version));
3529                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3530                     "invalid -- WWPN) defaults.\n");
3531
3532                 /*
3533                  * Set default initialization control block.
3534                  */
3535                 memset(nv, 0, ha->nvram_size);
3536                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3537                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3538                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3539                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3540                 nv->exchange_count = __constant_cpu_to_le16(0);
3541                 nv->hard_address = __constant_cpu_to_le16(124);
3542                 nv->port_name[0] = 0x21;
3543                 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3544                 nv->port_name[2] = 0x00;
3545                 nv->port_name[3] = 0xe0;
3546                 nv->port_name[4] = 0x8b;
3547                 nv->port_name[5] = 0x1c;
3548                 nv->port_name[6] = 0x55;
3549                 nv->port_name[7] = 0x86;
3550                 nv->node_name[0] = 0x20;
3551                 nv->node_name[1] = 0x00;
3552                 nv->node_name[2] = 0x00;
3553                 nv->node_name[3] = 0xe0;
3554                 nv->node_name[4] = 0x8b;
3555                 nv->node_name[5] = 0x1c;
3556                 nv->node_name[6] = 0x55;
3557                 nv->node_name[7] = 0x86;
3558                 qla24xx_nvram_wwn_from_ofw(ha, nv);
3559                 nv->login_retry_count = __constant_cpu_to_le16(8);
3560                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3561                 nv->login_timeout = __constant_cpu_to_le16(0);
3562                 nv->firmware_options_1 =
3563                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3564                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3565                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3566                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3567                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3568                 nv->efi_parameters = __constant_cpu_to_le32(0);
3569                 nv->reset_delay = 5;
3570                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3571                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3572                 nv->link_down_timeout = __constant_cpu_to_le16(30);
3573
3574                 rval = 1;
3575         }
3576
3577         /* Reset Initialization control block */
3578         memset(icb, 0, sizeof(struct init_cb_24xx));
3579
3580         /* Copy 1st segment. */
3581         dptr1 = (uint8_t *)icb;
3582         dptr2 = (uint8_t *)&nv->version;
3583         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3584         while (cnt--)
3585                 *dptr1++ = *dptr2++;
3586
3587         icb->login_retry_count = nv->login_retry_count;
3588         icb->link_down_on_nos = nv->link_down_on_nos;
3589
3590         /* Copy 2nd segment. */
3591         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3592         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3593         cnt = (uint8_t *)&icb->reserved_3 -
3594             (uint8_t *)&icb->interrupt_delay_timer;
3595         while (cnt--)
3596                 *dptr1++ = *dptr2++;
3597
3598         /*
3599          * Setup driver NVRAM options.
3600          */
3601         qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
3602             "QLA2462");
3603
3604         /* Use alternate WWN? */
3605         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3606                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3607                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3608         }
3609
3610         /* Prepare nodename */
3611         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3612                 /*
3613                  * Firmware will apply the following mask if the nodename was
3614                  * not provided.
3615                  */
3616                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3617                 icb->node_name[0] &= 0xF0;
3618         }
3619
3620         /* Set host adapter parameters. */
3621         ha->flags.disable_risc_code_load = 0;
3622         ha->flags.enable_lip_reset = 0;
3623         ha->flags.enable_lip_full_login =
3624             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3625         ha->flags.enable_target_reset =
3626             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3627         ha->flags.enable_led_scheme = 0;
3628         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3629
3630         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3631             (BIT_6 | BIT_5 | BIT_4)) >> 4;
3632
3633         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3634             sizeof(ha->fw_seriallink_options24));
3635
3636         /* save HBA serial number */
3637         ha->serial0 = icb->port_name[5];
3638         ha->serial1 = icb->port_name[6];
3639         ha->serial2 = icb->port_name[7];
3640         ha->node_name = icb->node_name;
3641         ha->port_name = icb->port_name;
3642
3643         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3644
3645         ha->retry_count = le16_to_cpu(nv->login_retry_count);
3646
3647         /* Set minimum login_timeout to 4 seconds. */
3648         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3649                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3650         if (le16_to_cpu(nv->login_timeout) < 4)
3651                 nv->login_timeout = __constant_cpu_to_le16(4);
3652         ha->login_timeout = le16_to_cpu(nv->login_timeout);
3653         icb->login_timeout = cpu_to_le16(nv->login_timeout);
3654
3655         /* Set minimum RATOV to 100 tenths of a second. */
3656         ha->r_a_tov = 100;
3657
3658         ha->loop_reset_delay = nv->reset_delay;
3659
3660         /* Link Down Timeout = 0:
3661          *
3662          *      When Port Down timer expires we will start returning
3663          *      I/O's to OS with "DID_NO_CONNECT".
3664          *
3665          * Link Down Timeout != 0:
3666          *
3667          *       The driver waits for the link to come up after link down
3668          *       before returning I/Os to OS with "DID_NO_CONNECT".
3669          */
3670         if (le16_to_cpu(nv->link_down_timeout) == 0) {
3671                 ha->loop_down_abort_time =
3672                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3673         } else {
3674                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3675                 ha->loop_down_abort_time =
3676                     (LOOP_DOWN_TIME - ha->link_down_timeout);
3677         }
3678
3679         /* Need enough time to try and get the port back. */
3680         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3681         if (qlport_down_retry)
3682                 ha->port_down_retry_count = qlport_down_retry;
3683
3684         /* Set login_retry_count */
3685         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
3686         if (ha->port_down_retry_count ==
3687             le16_to_cpu(nv->port_down_retry_count) &&
3688             ha->port_down_retry_count > 3)
3689                 ha->login_retry_count = ha->port_down_retry_count;
3690         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3691                 ha->login_retry_count = ha->port_down_retry_count;
3692         if (ql2xloginretrycount)
3693                 ha->login_retry_count = ql2xloginretrycount;
3694
3695         /* Enable ZIO. */
3696         if (!ha->flags.init_done) {
3697                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3698                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3699                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3700                     le16_to_cpu(icb->interrupt_delay_timer): 2;
3701         }
3702         icb->firmware_options_2 &= __constant_cpu_to_le32(
3703             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3704         ha->flags.process_response_queue = 0;
3705         if (ha->zio_mode != QLA_ZIO_DISABLED) {
3706                 ha->zio_mode = QLA_ZIO_MODE_6;
3707
3708                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3709                     "(%d us).\n", ha->host_no, ha->zio_mode,
3710                     ha->zio_timer * 100));
3711                 qla_printk(KERN_INFO, ha,
3712                     "ZIO mode %d enabled; timer delay (%d us).\n",
3713                     ha->zio_mode, ha->zio_timer * 100);
3714
3715                 icb->firmware_options_2 |= cpu_to_le32(
3716                     (uint32_t)ha->zio_mode);
3717                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3718                 ha->flags.process_response_queue = 1;
3719         }
3720
3721         if (rval) {
3722                 DEBUG2_3(printk(KERN_WARNING
3723                     "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3724         }
3725         return (rval);
3726 }
3727
3728 static int
3729 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3730 {
3731         int     rval;
3732         int     segments, fragment;
3733         uint32_t faddr;
3734         uint32_t *dcode, dlen;
3735         uint32_t risc_addr;
3736         uint32_t risc_size;
3737         uint32_t i;
3738
3739         rval = QLA_SUCCESS;
3740
3741         segments = FA_RISC_CODE_SEGMENTS;
3742         faddr = FA_RISC_CODE_ADDR;
3743         dcode = (uint32_t *)ha->request_ring;
3744         *srisc_addr = 0;
3745
3746         /* Validate firmware image by checking version. */
3747         qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3748         for (i = 0; i < 4; i++)
3749                 dcode[i] = be32_to_cpu(dcode[i]);
3750         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3751             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3752             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3753                 dcode[3] == 0)) {
3754                 qla_printk(KERN_WARNING, ha,
3755                     "Unable to verify integrity of flash firmware image!\n");
3756                 qla_printk(KERN_WARNING, ha,
3757                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3758                     dcode[1], dcode[2], dcode[3]);
3759
3760                 return QLA_FUNCTION_FAILED;
3761         }
3762
3763         while (segments && rval == QLA_SUCCESS) {
3764                 /* Read segment's load information. */
3765                 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3766
3767                 risc_addr = be32_to_cpu(dcode[2]);
3768                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3769                 risc_size = be32_to_cpu(dcode[3]);
3770
3771                 fragment = 0;
3772                 while (risc_size > 0 && rval == QLA_SUCCESS) {
3773                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3774                         if (dlen > risc_size)
3775                                 dlen = risc_size;
3776
3777                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3778                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3779                             ha->host_no, risc_addr, dlen, faddr));
3780
3781                         qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3782                         for (i = 0; i < dlen; i++)
3783                                 dcode[i] = swab32(dcode[i]);
3784
3785                         rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3786                             dlen);
3787                         if (rval) {
3788                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3789                                     "segment %d of firmware\n", ha->host_no,
3790                                     fragment));
3791                                 qla_printk(KERN_WARNING, ha,
3792                                     "[ERROR] Failed to load segment %d of "
3793                                     "firmware\n", fragment);
3794                                 break;
3795                         }
3796
3797                         faddr += dlen;
3798                         risc_addr += dlen;
3799                         risc_size -= dlen;
3800                         fragment++;
3801                 }
3802
3803                 /* Next segment. */
3804                 segments--;
3805         }
3806
3807         return rval;
3808 }
3809
3810 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3811
3812 int
3813 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3814 {
3815         int     rval;
3816         int     i, fragment;
3817         uint16_t *wcode, *fwcode;
3818         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3819         struct fw_blob *blob;
3820
3821         /* Load firmware blob. */
3822         blob = qla2x00_request_firmware(ha);
3823         if (!blob) {
3824                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3825                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3826                     "from: " QLA_FW_URL ".\n");
3827                 return QLA_FUNCTION_FAILED;
3828         }
3829
3830         rval = QLA_SUCCESS;
3831
3832         wcode = (uint16_t *)ha->request_ring;
3833         *srisc_addr = 0;
3834         fwcode = (uint16_t *)blob->fw->data;
3835         fwclen = 0;
3836
3837         /* Validate firmware image by checking version. */
3838         if (blob->fw->size < 8 * sizeof(uint16_t)) {
3839                 qla_printk(KERN_WARNING, ha,
3840                     "Unable to verify integrity of firmware image (%Zd)!\n",
3841                     blob->fw->size);
3842                 goto fail_fw_integrity;
3843         }
3844         for (i = 0; i < 4; i++)
3845                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3846         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3847             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3848                 wcode[2] == 0 && wcode[3] == 0)) {
3849                 qla_printk(KERN_WARNING, ha,
3850                     "Unable to verify integrity of firmware image!\n");
3851                 qla_printk(KERN_WARNING, ha,
3852                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3853                     wcode[1], wcode[2], wcode[3]);
3854                 goto fail_fw_integrity;
3855         }
3856
3857         seg = blob->segs;
3858         while (*seg && rval == QLA_SUCCESS) {
3859                 risc_addr = *seg;
3860                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3861                 risc_size = be16_to_cpu(fwcode[3]);
3862
3863                 /* Validate firmware image size. */
3864                 fwclen += risc_size * sizeof(uint16_t);
3865                 if (blob->fw->size < fwclen) {
3866                         qla_printk(KERN_WARNING, ha,
3867                             "Unable to verify integrity of firmware image "
3868                             "(%Zd)!\n", blob->fw->size);
3869                         goto fail_fw_integrity;
3870                 }
3871
3872                 fragment = 0;
3873                 while (risc_size > 0 && rval == QLA_SUCCESS) {
3874                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3875                         if (wlen > risc_size)
3876                                 wlen = risc_size;
3877
3878                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3879                             "addr %x, number of words 0x%x.\n", ha->host_no,
3880                             risc_addr, wlen));
3881
3882                         for (i = 0; i < wlen; i++)
3883                                 wcode[i] = swab16(fwcode[i]);
3884
3885                         rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3886                             wlen);
3887                         if (rval) {
3888                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3889                                     "segment %d of firmware\n", ha->host_no,
3890                                     fragment));
3891                                 qla_printk(KERN_WARNING, ha,
3892                                     "[ERROR] Failed to load segment %d of "
3893                                     "firmware\n", fragment);
3894                                 break;
3895                         }
3896
3897                         fwcode += wlen;
3898                         risc_addr += wlen;
3899                         risc_size -= wlen;
3900                         fragment++;
3901                 }
3902
3903                 /* Next segment. */
3904                 seg++;
3905         }
3906         return rval;
3907
3908 fail_fw_integrity:
3909         return QLA_FUNCTION_FAILED;
3910 }
3911
3912 int
3913 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3914 {
3915         int     rval;
3916         int     segments, fragment;
3917         uint32_t *dcode, dlen;
3918         uint32_t risc_addr;
3919         uint32_t risc_size;
3920         uint32_t i;
3921         struct fw_blob *blob;
3922         uint32_t *fwcode, fwclen;
3923
3924         /* Load firmware blob. */
3925         blob = qla2x00_request_firmware(ha);
3926         if (!blob) {
3927                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3928                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3929                     "from: " QLA_FW_URL ".\n");
3930
3931                 /* Try to load RISC code from flash. */
3932                 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3933                     "outdated) firmware from flash.\n");
3934                 return qla24xx_load_risc_flash(ha, srisc_addr);
3935         }
3936
3937         rval = QLA_SUCCESS;
3938
3939         segments = FA_RISC_CODE_SEGMENTS;
3940         dcode = (uint32_t *)ha->request_ring;
3941         *srisc_addr = 0;
3942         fwcode = (uint32_t *)blob->fw->data;
3943         fwclen = 0;
3944
3945         /* Validate firmware image by checking version. */
3946         if (blob->fw->size < 8 * sizeof(uint32_t)) {
3947                 qla_printk(KERN_WARNING, ha,
3948                     "Unable to verify integrity of firmware image (%Zd)!\n",
3949                     blob->fw->size);
3950                 goto fail_fw_integrity;
3951         }
3952         for (i = 0; i < 4; i++)
3953                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3954         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3955             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3956             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3957                 dcode[3] == 0)) {
3958                 qla_printk(KERN_WARNING, ha,
3959                     "Unable to verify integrity of firmware image!\n");
3960                 qla_printk(KERN_WARNING, ha,
3961                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3962                     dcode[1], dcode[2], dcode[3]);
3963                 goto fail_fw_integrity;
3964         }
3965
3966         while (segments && rval == QLA_SUCCESS) {
3967                 risc_addr = be32_to_cpu(fwcode[2]);
3968                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3969                 risc_size = be32_to_cpu(fwcode[3]);
3970
3971                 /* Validate firmware image size. */
3972                 fwclen += risc_size * sizeof(uint32_t);
3973                 if (blob->fw->size < fwclen) {
3974                         qla_printk(KERN_WARNING, ha,
3975                             "Unable to verify integrity of firmware image "
3976                             "(%Zd)!\n", blob->fw->size);
3977
3978                         goto fail_fw_integrity;
3979                 }
3980
3981                 fragment = 0;
3982                 while (risc_size > 0 && rval == QLA_SUCCESS) {
3983                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3984                         if (dlen > risc_size)
3985                                 dlen = risc_size;
3986
3987                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3988                             "addr %x, number of dwords 0x%x.\n", ha->host_no,
3989                             risc_addr, dlen));
3990
3991                         for (i = 0; i < dlen; i++)
3992                                 dcode[i] = swab32(fwcode[i]);
3993
3994                         rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3995                             dlen);
3996                         if (rval) {
3997                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3998                                     "segment %d of firmware\n", ha->host_no,
3999                                     fragment));
4000                                 qla_printk(KERN_WARNING, ha,
4001                                     "[ERROR] Failed to load segment %d of "
4002                                     "firmware\n", fragment);
4003                                 break;
4004                         }
4005
4006                         fwcode += dlen;
4007                         risc_addr += dlen;
4008                         risc_size -= dlen;
4009                         fragment++;
4010                 }
4011
4012                 /* Next segment. */
4013                 segments--;
4014         }
4015         return rval;
4016
4017 fail_fw_integrity:
4018         return QLA_FUNCTION_FAILED;
4019 }
4020
4021 void
4022 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
4023 {
4024         int ret, retries;
4025
4026         if (!IS_FWI2_CAPABLE(ha))
4027                 return;
4028         if (!ha->fw_major_version)
4029                 return;
4030
4031         ret = qla2x00_stop_firmware(ha);
4032         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4033             retries ; retries--) {
4034                 qla2x00_reset_chip(ha);
4035                 if (qla2x00_chip_diag(ha) != QLA_SUCCESS)
4036                         continue;
4037                 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
4038                         continue;
4039                 qla_printk(KERN_INFO, ha,
4040                     "Attempting retry of stop-firmware command...\n");
4041                 ret = qla2x00_stop_firmware(ha);
4042         }
4043 }
4044
4045 int
4046 qla24xx_configure_vhba(scsi_qla_host_t *ha)
4047 {
4048         int rval = QLA_SUCCESS;
4049         uint16_t mb[MAILBOX_REGISTER_COUNT];
4050
4051         if (!ha->parent)
4052                 return -EINVAL;
4053
4054         rval = qla2x00_fw_ready(ha);
4055         if (rval == QLA_SUCCESS) {
4056                 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
4057                 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
4058         }
4059
4060         ha->flags.management_server_logged_in = 0;
4061
4062         /* Login to SNS first */
4063         qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc,
4064             mb, BIT_1);
4065         if (mb[0] != MBS_COMMAND_COMPLETE) {
4066                 DEBUG15(qla_printk(KERN_INFO, ha,
4067                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4068                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4069                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4070                 return (QLA_FUNCTION_FAILED);
4071         }
4072
4073         atomic_set(&ha->loop_down_timer, 0);
4074         atomic_set(&ha->loop_state, LOOP_UP);
4075         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4076         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4077         rval = qla2x00_loop_resync(ha);
4078
4079         return rval;
4080 }