drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2008 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/vmalloc.h>
  12
  13 #include "qla_devtbl.h"
  14
  15 #ifdef CONFIG_SPARC
  16 #include <asm/prom.h>
  17 #endif
  18
  19 /*
  20 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  21 */
  22 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  23 static void qla2x00_resize_request_q(scsi_qla_host_t *);
  24 static int qla2x00_setup_chip(scsi_qla_host_t *);
  25 static int qla2x00_init_rings(scsi_qla_host_t *);
  26 static int qla2x00_fw_ready(scsi_qla_host_t *);
  27 static int qla2x00_configure_hba(scsi_qla_host_t *);
  28 static int qla2x00_configure_loop(scsi_qla_host_t *);
  29 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  30 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  32 static int qla2x00_device_resync(scsi_qla_host_t *);
  33 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  34     uint16_t *);
  35
  36 static int qla2x00_restart_isp(scsi_qla_host_t *);
  37
  38 static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
  39
  40 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  41 static int qla84xx_init_chip(scsi_qla_host_t *);
  42 static int qla25xx_init_queues(struct qla_hw_data *);
  43
  44 /****************************************************************************/
  45 /*                QLogic ISP2x00 Hardware Support Functions.                */
  46 /****************************************************************************/
  47
  48 /*
  49 * qla2x00_initialize_adapter
  50 *      Initialize board.
  51 *
  52 * Input:
  53 *      ha = adapter block pointer.
  54 *
  55 * Returns:
  56 *      0 = success
  57 */
  58 int
  59 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
  60 {
  61         int     rval;
  62         struct qla_hw_data *ha = vha->hw;
  63         struct req_que *req = ha->req_q_map[0];
  64         /* Clear adapter flags. */
  65         vha->flags.online = 0;
  66         vha->flags.reset_active = 0;
  67         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
  68         atomic_set(&vha->loop_state, LOOP_DOWN);
  69         vha->device_flags = DFLG_NO_CABLE;
  70         vha->dpc_flags = 0;
  71         vha->flags.management_server_logged_in = 0;
  72         vha->marker_needed = 0;
  73         ha->mbx_flags = 0;
  74         ha->isp_abort_cnt = 0;
  75         ha->beacon_blink_led = 0;
  76         set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
  77
  78         set_bit(0, ha->req_qid_map);
  79         set_bit(0, ha->rsp_qid_map);
  80
  81         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
  82         rval = ha->isp_ops->pci_config(vha);
  83         if (rval) {
  84                 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
  85                     vha->host_no));
  86                 return (rval);
  87         }
  88
  89         ha->isp_ops->reset_chip(vha);
  90
  91         rval = qla2xxx_get_flash_info(vha);
  92         if (rval) {
  93                 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
  94                     vha->host_no));
  95                 return (rval);
  96         }
  97
  98         ha->isp_ops->get_flash_version(vha, req->ring);
  99
 100         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 101
 102         ha->isp_ops->nvram_config(vha);
 103
 104         if (ha->flags.disable_serdes) {
 105                 /* Mask HBA via NVRAM settings? */
 106                 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
 107                     "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
 108                     vha->port_name[0], vha->port_name[1],
 109                     vha->port_name[2], vha->port_name[3],
 110                     vha->port_name[4], vha->port_name[5],
 111                     vha->port_name[6], vha->port_name[7]);
 112                 return QLA_FUNCTION_FAILED;
 113         }
 114
 115         qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
 116
 117         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 118                 rval = ha->isp_ops->chip_diag(vha);
 119                 if (rval)
 120                         return (rval);
 121                 rval = qla2x00_setup_chip(vha);
 122                 if (rval)
 123                         return (rval);
 124         }
 125         if (IS_QLA84XX(ha)) {
 126                 ha->cs84xx = qla84xx_get_chip(vha);
 127                 if (!ha->cs84xx) {
 128                         qla_printk(KERN_ERR, ha,
 129                             "Unable to configure ISP84XX.\n");
 130                         return QLA_FUNCTION_FAILED;
 131                 }
 132         }
 133         rval = qla2x00_init_rings(vha);
 134
 135         return (rval);
 136 }
 137
 138 /**
 139  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 140  * @ha: HA context
 141  *
 142  * Returns 0 on success.
 143  */
 144 int
 145 qla2100_pci_config(scsi_qla_host_t *vha)
 146 {
 147         uint16_t w;
 148         unsigned long flags;
 149         struct qla_hw_data *ha = vha->hw;
 150         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 151
 152         pci_set_master(ha->pdev);
 153         pci_try_set_mwi(ha->pdev);
 154
 155         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 156         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 157         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 158
 159         pci_disable_rom(ha->pdev);
 160
 161         /* Get PCI bus information. */
 162         spin_lock_irqsave(&ha->hardware_lock, flags);
 163         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 164         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 165
 166         return QLA_SUCCESS;
 167 }
 168
 169 /**
 170  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 171  * @ha: HA context
 172  *
 173  * Returns 0 on success.
 174  */
 175 int
 176 qla2300_pci_config(scsi_qla_host_t *vha)
 177 {
 178         uint16_t        w;
 179         unsigned long   flags = 0;
 180         uint32_t        cnt;
 181         struct qla_hw_data *ha = vha->hw;
 182         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 183
 184         pci_set_master(ha->pdev);
 185         pci_try_set_mwi(ha->pdev);
 186
 187         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 188         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 189
 190         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 191                 w &= ~PCI_COMMAND_INTX_DISABLE;
 192         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 193
 194         /*
 195          * If this is a 2300 card and not 2312, reset the
 196          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 197          * the 2310 also reports itself as a 2300 so we need to get the
 198          * fb revision level -- a 6 indicates it really is a 2300 and
 199          * not a 2310.
 200          */
 201         if (IS_QLA2300(ha)) {
 202                 spin_lock_irqsave(&ha->hardware_lock, flags);
 203
 204                 /* Pause RISC. */
 205                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 206                 for (cnt = 0; cnt < 30000; cnt++) {
 207                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 208                                 break;
 209
 210                         udelay(10);
 211                 }
 212
 213                 /* Select FPM registers. */
 214                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 215                 RD_REG_WORD(&reg->ctrl_status);
 216
 217                 /* Get the fb rev level */
 218                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 219
 220                 if (ha->fb_rev == FPM_2300)
 221                         pci_clear_mwi(ha->pdev);
 222
 223                 /* Deselect FPM registers. */
 224                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 225                 RD_REG_WORD(&reg->ctrl_status);
 226
 227                 /* Release RISC module. */
 228                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 229                 for (cnt = 0; cnt < 30000; cnt++) {
 230                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 231                                 break;
 232
 233                         udelay(10);
 234                 }
 235
 236                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 237         }
 238
 239         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 240
 241         pci_disable_rom(ha->pdev);
 242
 243         /* Get PCI bus information. */
 244         spin_lock_irqsave(&ha->hardware_lock, flags);
 245         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 246         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 247
 248         return QLA_SUCCESS;
 249 }
 250
 251 /**
 252  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 253  * @ha: HA context
 254  *
 255  * Returns 0 on success.
 256  */
 257 int
 258 qla24xx_pci_config(scsi_qla_host_t *vha)
 259 {
 260         uint16_t w;
 261         unsigned long flags = 0;
 262         struct qla_hw_data *ha = vha->hw;
 263         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 264
 265         pci_set_master(ha->pdev);
 266         pci_try_set_mwi(ha->pdev);
 267
 268         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 269         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 270         w &= ~PCI_COMMAND_INTX_DISABLE;
 271         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 272
 273         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 274
 275         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 276         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 277                 pcix_set_mmrbc(ha->pdev, 2048);
 278
 279         /* PCIe -- adjust Maximum Read Request Size (2048). */
 280         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 281                 pcie_set_readrq(ha->pdev, 2048);
 282
 283         pci_disable_rom(ha->pdev);
 284
 285         ha->chip_revision = ha->pdev->revision;
 286
 287         /* Get PCI bus information. */
 288         spin_lock_irqsave(&ha->hardware_lock, flags);
 289         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 290         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 291
 292         return QLA_SUCCESS;
 293 }
 294
 295 /**
 296  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 297  * @ha: HA context
 298  *
 299  * Returns 0 on success.
 300  */
 301 int
 302 qla25xx_pci_config(scsi_qla_host_t *vha)
 303 {
 304         uint16_t w;
 305         struct qla_hw_data *ha = vha->hw;
 306
 307         pci_set_master(ha->pdev);
 308         pci_try_set_mwi(ha->pdev);
 309
 310         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 311         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 312         w &= ~PCI_COMMAND_INTX_DISABLE;
 313         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 314
 315         /* PCIe -- adjust Maximum Read Request Size (2048). */
 316         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
 317                 pcie_set_readrq(ha->pdev, 2048);
 318
 319         pci_disable_rom(ha->pdev);
 320
 321         ha->chip_revision = ha->pdev->revision;
 322
 323         return QLA_SUCCESS;
 324 }
 325
 326 /**
 327  * qla2x00_isp_firmware() - Choose firmware image.
 328  * @ha: HA context
 329  *
 330  * Returns 0 on success.
 331  */
 332 static int
 333 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 334 {
 335         int  rval;
 336         uint16_t loop_id, topo, sw_cap;
 337         uint8_t domain, area, al_pa;
 338         struct qla_hw_data *ha = vha->hw;
 339
 340         /* Assume loading risc code */
 341         rval = QLA_FUNCTION_FAILED;
 342
 343         if (ha->flags.disable_risc_code_load) {
 344                 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
 345                     vha->host_no));
 346                 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
 347
 348                 /* Verify checksum of loaded RISC code. */
 349                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 350                 if (rval == QLA_SUCCESS) {
 351                         /* And, verify we are not in ROM code. */
 352                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 353                             &area, &domain, &topo, &sw_cap);
 354                 }
 355         }
 356
 357         if (rval) {
 358                 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
 359                     vha->host_no));
 360         }
 361
 362         return (rval);
 363 }
 364
 365 /**
 366  * qla2x00_reset_chip() - Reset ISP chip.
 367  * @ha: HA context
 368  *
 369  * Returns 0 on success.
 370  */
 371 void
 372 qla2x00_reset_chip(scsi_qla_host_t *vha)
 373 {
 374         unsigned long   flags = 0;
 375         struct qla_hw_data *ha = vha->hw;
 376         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 377         uint32_t        cnt;
 378         uint16_t        cmd;
 379
 380         ha->isp_ops->disable_intrs(ha);
 381
 382         spin_lock_irqsave(&ha->hardware_lock, flags);
 383
 384         /* Turn off master enable */
 385         cmd = 0;
 386         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 387         cmd &= ~PCI_COMMAND_MASTER;
 388         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 389
 390         if (!IS_QLA2100(ha)) {
 391                 /* Pause RISC. */
 392                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 393                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 394                         for (cnt = 0; cnt < 30000; cnt++) {
 395                                 if ((RD_REG_WORD(&reg->hccr) &
 396                                     HCCR_RISC_PAUSE) != 0)
 397                                         break;
 398                                 udelay(100);
 399                         }
 400                 } else {
 401                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 402                         udelay(10);
 403                 }
 404
 405                 /* Select FPM registers. */
 406                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 407                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 408
 409                 /* FPM Soft Reset. */
 410                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
 411                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
 412
 413                 /* Toggle Fpm Reset. */
 414                 if (!IS_QLA2200(ha)) {
 415                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
 416                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
 417                 }
 418
 419                 /* Select frame buffer registers. */
 420                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
 421                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 422
 423                 /* Reset frame buffer FIFOs. */
 424                 if (IS_QLA2200(ha)) {
 425                         WRT_FB_CMD_REG(ha, reg, 0xa000);
 426                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
 427                 } else {
 428                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
 429
 430                         /* Read back fb_cmd until zero or 3 seconds max */
 431                         for (cnt = 0; cnt < 3000; cnt++) {
 432                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
 433                                         break;
 434                                 udelay(100);
 435                         }
 436                 }
 437
 438                 /* Select RISC module registers. */
 439                 WRT_REG_WORD(&reg->ctrl_status, 0);
 440                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
 441
 442                 /* Reset RISC processor. */
 443                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 444                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 445
 446                 /* Release RISC processor. */
 447                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 448                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 449         }
 450
 451         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 452         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
 453
 454         /* Reset ISP chip. */
 455         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 456
 457         /* Wait for RISC to recover from reset. */
 458         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 459                 /*
 460                  * It is necessary to for a delay here since the card doesn't
 461                  * respond to PCI reads during a reset. On some architectures
 462                  * this will result in an MCA.
 463                  */
 464                 udelay(20);
 465                 for (cnt = 30000; cnt; cnt--) {
 466                         if ((RD_REG_WORD(&reg->ctrl_status) &
 467                             CSR_ISP_SOFT_RESET) == 0)
 468                                 break;
 469                         udelay(100);
 470                 }
 471         } else
 472                 udelay(10);
 473
 474         /* Reset RISC processor. */
 475         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 476
 477         WRT_REG_WORD(&reg->semaphore, 0);
 478
 479         /* Release RISC processor. */
 480         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 481         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
 482
 483         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 484                 for (cnt = 0; cnt < 30000; cnt++) {
 485                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
 486                                 break;
 487
 488                         udelay(100);
 489                 }
 490         } else
 491                 udelay(100);
 492
 493         /* Turn on master enable */
 494         cmd |= PCI_COMMAND_MASTER;
 495         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 496
 497         /* Disable RISC pause on FPM parity error. */
 498         if (!IS_QLA2100(ha)) {
 499                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
 500                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
 501         }
 502
 503         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 504 }
 505
 506 /**
 507  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
 508  * @ha: HA context
 509  *
 510  * Returns 0 on success.
 511  */
 512 static inline void
 513 qla24xx_reset_risc(scsi_qla_host_t *vha)
 514 {
 515         int hw_evt = 0;
 516         unsigned long flags = 0;
 517         struct qla_hw_data *ha = vha->hw;
 518         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 519         uint32_t cnt, d2;
 520         uint16_t wd;
 521
 522         spin_lock_irqsave(&ha->hardware_lock, flags);
 523
 524         /* Reset RISC. */
 525         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 526         for (cnt = 0; cnt < 30000; cnt++) {
 527                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
 528                         break;
 529
 530                 udelay(10);
 531         }
 532
 533         WRT_REG_DWORD(&reg->ctrl_status,
 534             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
 535         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
 536
 537         udelay(100);
 538         /* Wait for firmware to complete NVRAM accesses. */
 539         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 540         for (cnt = 10000 ; cnt && d2; cnt--) {
 541                 udelay(5);
 542                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 543                 barrier();
 544         }
 545         if (cnt == 0)
 546                 hw_evt = 1;
 547
 548         /* Wait for soft-reset to complete. */
 549         d2 = RD_REG_DWORD(&reg->ctrl_status);
 550         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
 551                 udelay(5);
 552                 d2 = RD_REG_DWORD(&reg->ctrl_status);
 553                 barrier();
 554         }
 555
 556         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
 557         RD_REG_DWORD(&reg->hccr);
 558
 559         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
 560         RD_REG_DWORD(&reg->hccr);
 561
 562         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
 563         RD_REG_DWORD(&reg->hccr);
 564
 565         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 566         for (cnt = 6000000 ; cnt && d2; cnt--) {
 567                 udelay(5);
 568                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 569                 barrier();
 570         }
 571
 572         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 573
 574         if (IS_NOPOLLING_TYPE(ha))
 575                 ha->isp_ops->enable_intrs(ha);
 576 }
 577
 578 /**
 579  * qla24xx_reset_chip() - Reset ISP24xx chip.
 580  * @ha: HA context
 581  *
 582  * Returns 0 on success.
 583  */
 584 void
 585 qla24xx_reset_chip(scsi_qla_host_t *vha)
 586 {
 587         struct qla_hw_data *ha = vha->hw;
 588         ha->isp_ops->disable_intrs(ha);
 589
 590         /* Perform RISC reset. */
 591         qla24xx_reset_risc(vha);
 592 }
 593
 594 /**
 595  * qla2x00_chip_diag() - Test chip for proper operation.
 596  * @ha: HA context
 597  *
 598  * Returns 0 on success.
 599  */
 600 int
 601 qla2x00_chip_diag(scsi_qla_host_t *vha)
 602 {
 603         int             rval;
 604         struct qla_hw_data *ha = vha->hw;
 605         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 606         unsigned long   flags = 0;
 607         uint16_t        data;
 608         uint32_t        cnt;
 609         uint16_t        mb[5];
 610         struct req_que *req = ha->req_q_map[0];
 611
 612         /* Assume a failed state */
 613         rval = QLA_FUNCTION_FAILED;
 614
 615         DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
 616             vha->host_no, (u_long)&reg->flash_address));
 617
 618         spin_lock_irqsave(&ha->hardware_lock, flags);
 619
 620         /* Reset ISP chip. */
 621         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
 622
 623         /*
 624          * We need to have a delay here since the card will not respond while
 625          * in reset causing an MCA on some architectures.
 626          */
 627         udelay(20);
 628         data = qla2x00_debounce_register(&reg->ctrl_status);
 629         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
 630                 udelay(5);
 631                 data = RD_REG_WORD(&reg->ctrl_status);
 632                 barrier();
 633         }
 634
 635         if (!cnt)
 636                 goto chip_diag_failed;
 637
 638         DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
 639             ha->host_no));
 640
 641         /* Reset RISC processor. */
 642         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
 643         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 644
 645         /* Workaround for QLA2312 PCI parity error */
 646         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
 647                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
 648                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
 649                         udelay(5);
 650                         data = RD_MAILBOX_REG(ha, reg, 0);
 651                         barrier();
 652                 }
 653         } else
 654                 udelay(10);
 655
 656         if (!cnt)
 657                 goto chip_diag_failed;
 658
 659         /* Check product ID of chip */
 660         DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
 661
 662         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
 663         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
 664         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
 665         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
 666         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
 667             mb[3] != PROD_ID_3) {
 668                 qla_printk(KERN_WARNING, ha,
 669                     "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
 670
 671                 goto chip_diag_failed;
 672         }
 673         ha->product_id[0] = mb[1];
 674         ha->product_id[1] = mb[2];
 675         ha->product_id[2] = mb[3];
 676         ha->product_id[3] = mb[4];
 677
 678         /* Adjust fw RISC transfer size */
 679         if (req->length > 1024)
 680                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
 681         else
 682                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
 683                     req->length;
 684
 685         if (IS_QLA2200(ha) &&
 686             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
 687                 /* Limit firmware transfer size with a 2200A */
 688                 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
 689                     vha->host_no));
 690
 691                 ha->device_type |= DT_ISP2200A;
 692                 ha->fw_transfer_size = 128;
 693         }
 694
 695         /* Wrap Incoming Mailboxes Test. */
 696         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 697
 698         DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
 699         rval = qla2x00_mbx_reg_test(vha);
 700         if (rval) {
 701                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 702                     vha->host_no));
 703                 qla_printk(KERN_WARNING, ha,
 704                     "Failed mailbox send register test\n");
 705         }
 706         else {
 707                 /* Flag a successful rval */
 708                 rval = QLA_SUCCESS;
 709         }
 710         spin_lock_irqsave(&ha->hardware_lock, flags);
 711
 712 chip_diag_failed:
 713         if (rval)
 714                 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
 715                     "****\n", vha->host_no));
 716
 717         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 718
 719         return (rval);
 720 }
 721
 722 /**
 723  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
 724  * @ha: HA context
 725  *
 726  * Returns 0 on success.
 727  */
 728 int
 729 qla24xx_chip_diag(scsi_qla_host_t *vha)
 730 {
 731         int rval;
 732         struct qla_hw_data *ha = vha->hw;
 733         struct req_que *req = ha->req_q_map[0];
 734
 735         /* Perform RISC reset. */
 736         qla24xx_reset_risc(vha);
 737
 738         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
 739
 740         rval = qla2x00_mbx_reg_test(vha);
 741         if (rval) {
 742                 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
 743                     vha->host_no));
 744                 qla_printk(KERN_WARNING, ha,
 745                     "Failed mailbox send register test\n");
 746         } else {
 747                 /* Flag a successful rval */
 748                 rval = QLA_SUCCESS;
 749         }
 750
 751         return rval;
 752 }
 753
 754 void
 755 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
 756 {
 757         int rval;
 758         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
 759             eft_size, fce_size, mq_size;
 760         dma_addr_t tc_dma;
 761         void *tc;
 762         struct qla_hw_data *ha = vha->hw;
 763         struct req_que *req = ha->req_q_map[0];
 764         struct rsp_que *rsp = ha->rsp_q_map[0];
 765
 766         if (ha->fw_dump) {
 767                 qla_printk(KERN_WARNING, ha,
 768                     "Firmware dump previously allocated.\n");
 769                 return;
 770         }
 771
 772         ha->fw_dumped = 0;
 773         fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
 774         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
 775                 fixed_size = sizeof(struct qla2100_fw_dump);
 776         } else if (IS_QLA23XX(ha)) {
 777                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
 778                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
 779                     sizeof(uint16_t);
 780         } else if (IS_FWI2_CAPABLE(ha)) {
 781                 if (IS_QLA81XX(ha))
 782                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
 783                 else if (IS_QLA25XX(ha))
 784                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
 785                 else
 786                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
 787                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
 788                     sizeof(uint32_t);
 789                 if (ha->mqenable)
 790                         mq_size = sizeof(struct qla2xxx_mq_chain);
 791
 792                 /* Allocate memory for Fibre Channel Event Buffer. */
 793                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
 794                         goto try_eft;
 795
 796                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
 797                     GFP_KERNEL);
 798                 if (!tc) {
 799                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
 800                             "(%d KB) for FCE.\n", FCE_SIZE / 1024);
 801                         goto try_eft;
 802                 }
 803
 804                 memset(tc, 0, FCE_SIZE);
 805                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
 806                     ha->fce_mb, &ha->fce_bufs);
 807                 if (rval) {
 808                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
 809                             "FCE (%d).\n", rval);
 810                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
 811                             tc_dma);
 812                         ha->flags.fce_enabled = 0;
 813                         goto try_eft;
 814                 }
 815
 816                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
 817                     FCE_SIZE / 1024);
 818
 819                 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE;
 820                 ha->flags.fce_enabled = 1;
 821                 ha->fce_dma = tc_dma;
 822                 ha->fce = tc;
 823 try_eft:
 824                 /* Allocate memory for Extended Trace Buffer. */
 825                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
 826                     GFP_KERNEL);
 827                 if (!tc) {
 828                         qla_printk(KERN_WARNING, ha, "Unable to allocate "
 829                             "(%d KB) for EFT.\n", EFT_SIZE / 1024);
 830                         goto cont_alloc;
 831                 }
 832
 833                 memset(tc, 0, EFT_SIZE);
 834                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
 835                 if (rval) {
 836                         qla_printk(KERN_WARNING, ha, "Unable to initialize "
 837                             "EFT (%d).\n", rval);
 838                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
 839                             tc_dma);
 840                         goto cont_alloc;
 841                 }
 842
 843                 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
 844                     EFT_SIZE / 1024);
 845
 846                 eft_size = EFT_SIZE;
 847                 ha->eft_dma = tc_dma;
 848                 ha->eft = tc;
 849         }
 850 cont_alloc:
 851         req_q_size = req->length * sizeof(request_t);
 852         rsp_q_size = rsp->length * sizeof(response_t);
 853
 854         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
 855         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
 856             eft_size;
 857         ha->chain_offset = dump_size;
 858         dump_size += mq_size + fce_size;
 859
 860         ha->fw_dump = vmalloc(dump_size);
 861         if (!ha->fw_dump) {
 862                 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
 863                     "firmware dump!!!\n", dump_size / 1024);
 864
 865                 if (ha->eft) {
 866                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
 867                             ha->eft_dma);
 868                         ha->eft = NULL;
 869                         ha->eft_dma = 0;
 870                 }
 871                 return;
 872         }
 873         qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
 874             dump_size / 1024);
 875
 876         ha->fw_dump_len = dump_size;
 877         ha->fw_dump->signature[0] = 'Q';
 878         ha->fw_dump->signature[1] = 'L';
 879         ha->fw_dump->signature[2] = 'G';
 880         ha->fw_dump->signature[3] = 'C';
 881         ha->fw_dump->version = __constant_htonl(1);
 882
 883         ha->fw_dump->fixed_size = htonl(fixed_size);
 884         ha->fw_dump->mem_size = htonl(mem_size);
 885         ha->fw_dump->req_q_size = htonl(req_q_size);
 886         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
 887
 888         ha->fw_dump->eft_size = htonl(eft_size);
 889         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
 890         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
 891
 892         ha->fw_dump->header_size =
 893             htonl(offsetof(struct qla2xxx_fw_dump, isp));
 894 }
 895
 896 /**
 897  * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
 898  * @ha: HA context
 899  *
 900  * Returns 0 on success.
 901  */
 902 static void
 903 qla2x00_resize_request_q(scsi_qla_host_t *vha)
 904 {
 905         int rval;
 906         uint16_t fw_iocb_cnt = 0;
 907         uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
 908         dma_addr_t request_dma;
 909         request_t *request_ring;
 910         struct qla_hw_data *ha = vha->hw;
 911         struct req_que *req = ha->req_q_map[0];
 912
 913         /* Valid only on recent ISPs. */
 914         if (IS_QLA2100(ha) || IS_QLA2200(ha))
 915                 return;
 916
 917         /* Retrieve IOCB counts available to the firmware. */
 918         rval = qla2x00_get_resource_cnts(vha, NULL, NULL, NULL, &fw_iocb_cnt,
 919                                         &ha->max_npiv_vports);
 920         if (rval)
 921                 return;
 922         /* No point in continuing if current settings are sufficient. */
 923         if (fw_iocb_cnt < 1024)
 924                 return;
 925         if (req->length >= request_q_length)
 926                 return;
 927
 928         /* Attempt to claim larger area for request queue. */
 929         request_ring = dma_alloc_coherent(&ha->pdev->dev,
 930             (request_q_length + 1) * sizeof(request_t), &request_dma,
 931             GFP_KERNEL);
 932         if (request_ring == NULL)
 933                 return;
 934
 935         /* Resize successful, report extensions. */
 936         qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
 937             (ha->fw_memory_size + 1) / 1024);
 938         qla_printk(KERN_INFO, ha, "Resizing request queue depth "
 939             "(%d -> %d)...\n", req->length, request_q_length);
 940
 941         /* Clear old allocations. */
 942         dma_free_coherent(&ha->pdev->dev,
 943             (req->length + 1) * sizeof(request_t), req->ring,
 944             req->dma);
 945
 946         /* Begin using larger queue. */
 947         req->length = request_q_length;
 948         req->ring = request_ring;
 949         req->dma = request_dma;
 950 }
 951
 952 /**
 953  * qla2x00_setup_chip() - Load and start RISC firmware.
 954  * @ha: HA context
 955  *
 956  * Returns 0 on success.
 957  */
 958 static int
 959 qla2x00_setup_chip(scsi_qla_host_t *vha)
 960 {
 961         int rval;
 962         uint32_t srisc_address = 0;
 963         struct qla_hw_data *ha = vha->hw;
 964         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 965         unsigned long flags;
 966
 967         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
 968                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
 969                 spin_lock_irqsave(&ha->hardware_lock, flags);
 970                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
 971                 RD_REG_WORD(&reg->hccr);
 972                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 973         }
 974
 975         /* Load firmware sequences */
 976         rval = ha->isp_ops->load_risc(vha, &srisc_address);
 977         if (rval == QLA_SUCCESS) {
 978                 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
 979                     "code.\n", vha->host_no));
 980
 981                 rval = qla2x00_verify_checksum(vha, srisc_address);
 982                 if (rval == QLA_SUCCESS) {
 983                         /* Start firmware execution. */
 984                         DEBUG(printk("scsi(%ld): Checksum OK, start "
 985                             "firmware.\n", vha->host_no));
 986
 987                         rval = qla2x00_execute_fw(vha, srisc_address);
 988                         /* Retrieve firmware information. */
 989                         if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
 990                                 qla2x00_get_fw_version(vha,
 991                                     &ha->fw_major_version,
 992                                     &ha->fw_minor_version,
 993                                     &ha->fw_subminor_version,
 994                                     &ha->fw_attributes, &ha->fw_memory_size,
 995                                     ha->mpi_version, &ha->mpi_capabilities);
 996                                 ha->flags.npiv_supported = 0;
 997                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
 998                                          (ha->fw_attributes & BIT_2)) {
 999                                         ha->flags.npiv_supported = 1;
1000                                         if ((!ha->max_npiv_vports) ||
1001                                             ((ha->max_npiv_vports + 1) %
1002                                             MIN_MULTI_ID_FABRIC))
1003                                                 ha->max_npiv_vports =
1004                                                     MIN_MULTI_ID_FABRIC - 1;
1005                                 }
1006                                 qla2x00_resize_request_q(vha);
1007
1008                                 if (ql2xallocfwdump)
1009                                         qla2x00_alloc_fw_dump(vha);
1010                         }
1011                 } else {
1012                         DEBUG2(printk(KERN_INFO
1013                             "scsi(%ld): ISP Firmware failed checksum.\n",
1014                             vha->host_no));
1015                 }
1016         }
1017
1018         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1019                 /* Enable proper parity. */
1020                 spin_lock_irqsave(&ha->hardware_lock, flags);
1021                 if (IS_QLA2300(ha))
1022                         /* SRAM parity */
1023                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1024                 else
1025                         /* SRAM, Instruction RAM and GP RAM parity */
1026                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1027                 RD_REG_WORD(&reg->hccr);
1028                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1029         }
1030
1031         if (rval) {
1032                 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1033                     vha->host_no));
1034         }
1035
1036         return (rval);
1037 }
1038
1039 /**
1040  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1041  * @ha: HA context
1042  *
1043  * Beginning of request ring has initialization control block already built
1044  * by nvram config routine.
1045  *
1046  * Returns 0 on success.
1047  */
1048 void
1049 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1050 {
1051         uint16_t cnt;
1052         response_t *pkt;
1053
1054         pkt = rsp->ring_ptr;
1055         for (cnt = 0; cnt < rsp->length; cnt++) {
1056                 pkt->signature = RESPONSE_PROCESSED;
1057                 pkt++;
1058         }
1059
1060 }
1061
1062 /**
1063  * qla2x00_update_fw_options() - Read and process firmware options.
1064  * @ha: HA context
1065  *
1066  * Returns 0 on success.
1067  */
1068 void
1069 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1070 {
1071         uint16_t swing, emphasis, tx_sens, rx_sens;
1072         struct qla_hw_data *ha = vha->hw;
1073
1074         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1075         qla2x00_get_fw_options(vha, ha->fw_options);
1076
1077         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1078                 return;
1079
1080         /* Serial Link options. */
1081         DEBUG3(printk("scsi(%ld): Serial link options:\n",
1082             vha->host_no));
1083         DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1084             sizeof(ha->fw_seriallink_options)));
1085
1086         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1087         if (ha->fw_seriallink_options[3] & BIT_2) {
1088                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1089
1090                 /*  1G settings */
1091                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1092                 emphasis = (ha->fw_seriallink_options[2] &
1093                     (BIT_4 | BIT_3)) >> 3;
1094                 tx_sens = ha->fw_seriallink_options[0] &
1095                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1096                 rx_sens = (ha->fw_seriallink_options[0] &
1097                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1098                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1099                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1100                         if (rx_sens == 0x0)
1101                                 rx_sens = 0x3;
1102                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1103                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1104                         ha->fw_options[10] |= BIT_5 |
1105                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1106                             (tx_sens & (BIT_1 | BIT_0));
1107
1108                 /*  2G settings */
1109                 swing = (ha->fw_seriallink_options[2] &
1110                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1111                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1112                 tx_sens = ha->fw_seriallink_options[1] &
1113                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1114                 rx_sens = (ha->fw_seriallink_options[1] &
1115                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1116                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1117                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1118                         if (rx_sens == 0x0)
1119                                 rx_sens = 0x3;
1120                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1121                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1122                         ha->fw_options[11] |= BIT_5 |
1123                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1124                             (tx_sens & (BIT_1 | BIT_0));
1125         }
1126
1127         /* FCP2 options. */
1128         /*  Return command IOCBs without waiting for an ABTS to complete. */
1129         ha->fw_options[3] |= BIT_13;
1130
1131         /* LED scheme. */
1132         if (ha->flags.enable_led_scheme)
1133                 ha->fw_options[2] |= BIT_12;
1134
1135         /* Detect ISP6312. */
1136         if (IS_QLA6312(ha))
1137                 ha->fw_options[2] |= BIT_13;
1138
1139         /* Update firmware options. */
1140         qla2x00_set_fw_options(vha, ha->fw_options);
1141 }
1142
1143 void
1144 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1145 {
1146         int rval;
1147         struct qla_hw_data *ha = vha->hw;
1148
1149         /* Update Serial Link options. */
1150         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1151                 return;
1152
1153         rval = qla2x00_set_serdes_params(vha,
1154             le16_to_cpu(ha->fw_seriallink_options24[1]),
1155             le16_to_cpu(ha->fw_seriallink_options24[2]),
1156             le16_to_cpu(ha->fw_seriallink_options24[3]));
1157         if (rval != QLA_SUCCESS) {
1158                 qla_printk(KERN_WARNING, ha,
1159                     "Unable to update Serial Link options (%x).\n", rval);
1160         }
1161 }
1162
1163 void
1164 qla2x00_config_rings(struct scsi_qla_host *vha)
1165 {
1166         struct qla_hw_data *ha = vha->hw;
1167         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1168         struct req_que *req = ha->req_q_map[0];
1169         struct rsp_que *rsp = ha->rsp_q_map[0];
1170
1171         /* Setup ring parameters in initialization control block. */
1172         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1173         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1174         ha->init_cb->request_q_length = cpu_to_le16(req->length);
1175         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1176         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1177         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1178         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1179         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1180
1181         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1182         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1183         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1184         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1185         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
1186 }
1187
1188 void
1189 qla24xx_config_rings(struct scsi_qla_host *vha)
1190 {
1191         struct qla_hw_data *ha = vha->hw;
1192         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1193         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1194         struct qla_msix_entry *msix;
1195         struct init_cb_24xx *icb;
1196         uint16_t rid = 0;
1197         struct req_que *req = ha->req_q_map[0];
1198         struct rsp_que *rsp = ha->rsp_q_map[0];
1199
1200 /* Setup ring parameters in initialization control block. */
1201         icb = (struct init_cb_24xx *)ha->init_cb;
1202         icb->request_q_outpointer = __constant_cpu_to_le16(0);
1203         icb->response_q_inpointer = __constant_cpu_to_le16(0);
1204         icb->request_q_length = cpu_to_le16(req->length);
1205         icb->response_q_length = cpu_to_le16(rsp->length);
1206         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1207         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1208         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1209         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1210
1211         if (ha->mqenable) {
1212                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1213                 icb->rid = __constant_cpu_to_le16(rid);
1214                 if (ha->flags.msix_enabled) {
1215                         msix = &ha->msix_entries[1];
1216                         DEBUG2_17(printk(KERN_INFO
1217                         "Reistering vector 0x%x for base que\n", msix->entry));
1218                         icb->msix = cpu_to_le16(msix->entry);
1219                 }
1220                 /* Use alternate PCI bus number */
1221                 if (MSB(rid))
1222                         icb->firmware_options_2 |=
1223                                 __constant_cpu_to_le32(BIT_19);
1224                 /* Use alternate PCI devfn */
1225                 if (LSB(rid))
1226                         icb->firmware_options_2 |=
1227                                 __constant_cpu_to_le32(BIT_18);
1228
1229                 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
1230                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
1231
1232                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1233                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1234                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1235                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1236         } else {
1237                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1238                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1239                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1240                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1241         }
1242         /* PCI posting */
1243         RD_REG_DWORD(&ioreg->hccr);
1244 }
1245
1246 /**
1247  * qla2x00_init_rings() - Initializes firmware.
1248  * @ha: HA context
1249  *
1250  * Beginning of request ring has initialization control block already built
1251  * by nvram config routine.
1252  *
1253  * Returns 0 on success.
1254  */
1255 static int
1256 qla2x00_init_rings(scsi_qla_host_t *vha)
1257 {
1258         int     rval;
1259         unsigned long flags = 0;
1260         int cnt, que;
1261         struct qla_hw_data *ha = vha->hw;
1262         struct req_que *req;
1263         struct rsp_que *rsp;
1264         struct scsi_qla_host *vp;
1265         struct mid_init_cb_24xx *mid_init_cb =
1266             (struct mid_init_cb_24xx *) ha->init_cb;
1267
1268         spin_lock_irqsave(&ha->hardware_lock, flags);
1269
1270         /* Clear outstanding commands array. */
1271         for (que = 0; que < ha->max_queues; que++) {
1272                 req = ha->req_q_map[que];
1273                 if (!req)
1274                         continue;
1275                 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1276                         req->outstanding_cmds[cnt] = NULL;
1277
1278                 req->current_outstanding_cmd = 0;
1279
1280                 /* Initialize firmware. */
1281                 req->ring_ptr  = req->ring;
1282                 req->ring_index    = 0;
1283                 req->cnt      = req->length;
1284         }
1285
1286         for (que = 0; que < ha->max_queues; que++) {
1287                 rsp = ha->rsp_q_map[que];
1288                 if (!rsp)
1289                         continue;
1290                 rsp->ring_ptr = rsp->ring;
1291                 rsp->ring_index    = 0;
1292
1293                 /* Initialize response queue entries */
1294                 qla2x00_init_response_q_entries(rsp);
1295         }
1296
1297         /* Clear RSCN queue. */
1298         list_for_each_entry(vp, &ha->vp_list, list) {
1299                 vp->rscn_in_ptr = 0;
1300                 vp->rscn_out_ptr = 0;
1301         }
1302         ha->isp_ops->config_rings(vha);
1303
1304         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1305
1306         /* Update any ISP specific firmware options before initialization. */
1307         ha->isp_ops->update_fw_options(vha);
1308
1309         DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
1310
1311         if (ha->flags.npiv_supported)
1312                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1313
1314         mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1315
1316         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1317         if (rval) {
1318                 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1319                     vha->host_no));
1320         } else {
1321                 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1322                     vha->host_no));
1323         }
1324
1325         return (rval);
1326 }
1327
1328 /**
1329  * qla2x00_fw_ready() - Waits for firmware ready.
1330  * @ha: HA context
1331  *
1332  * Returns 0 on success.
1333  */
1334 static int
1335 qla2x00_fw_ready(scsi_qla_host_t *vha)
1336 {
1337         int             rval;
1338         unsigned long   wtime, mtime, cs84xx_time;
1339         uint16_t        min_wait;       /* Minimum wait time if loop is down */
1340         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1341         uint16_t        state[3];
1342         struct qla_hw_data *ha = vha->hw;
1343
1344         rval = QLA_SUCCESS;
1345
1346         /* 20 seconds for loop down. */
1347         min_wait = 20;
1348
1349         /*
1350          * Firmware should take at most one RATOV to login, plus 5 seconds for
1351          * our own processing.
1352          */
1353         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1354                 wait_time = min_wait;
1355         }
1356
1357         /* Min wait time if loop down */
1358         mtime = jiffies + (min_wait * HZ);
1359
1360         /* wait time before firmware ready */
1361         wtime = jiffies + (wait_time * HZ);
1362
1363         /* Wait for ISP to finish LIP */
1364         if (!vha->flags.init_done)
1365                 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1366
1367         DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1368             vha->host_no));
1369
1370         do {
1371                 rval = qla2x00_get_firmware_state(vha, state);
1372                 if (rval == QLA_SUCCESS) {
1373                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
1374                                 vha->device_flags &= ~DFLG_NO_CABLE;
1375                         }
1376                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1377                                 DEBUG16(printk("scsi(%ld): fw_state=%x "
1378                                     "84xx=%x.\n", vha->host_no, state[0],
1379                                     state[2]));
1380                                 if ((state[2] & FSTATE_LOGGED_IN) &&
1381                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1382                                         DEBUG16(printk("scsi(%ld): Sending "
1383                                             "verify iocb.\n", vha->host_no));
1384
1385                                         cs84xx_time = jiffies;
1386                                         rval = qla84xx_init_chip(vha);
1387                                         if (rval != QLA_SUCCESS)
1388                                                 break;
1389
1390                                         /* Add time taken to initialize. */
1391                                         cs84xx_time = jiffies - cs84xx_time;
1392                                         wtime += cs84xx_time;
1393                                         mtime += cs84xx_time;
1394                                         DEBUG16(printk("scsi(%ld): Increasing "
1395                                             "wait time by %ld. New time %ld\n",
1396                                             vha->host_no, cs84xx_time, wtime));
1397                                 }
1398                         } else if (state[0] == FSTATE_READY) {
1399                                 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1400                                     vha->host_no));
1401
1402                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1403                                     &ha->login_timeout, &ha->r_a_tov);
1404
1405                                 rval = QLA_SUCCESS;
1406                                 break;
1407                         }
1408
1409                         rval = QLA_FUNCTION_FAILED;
1410
1411                         if (atomic_read(&vha->loop_down_timer) &&
1412                             state[0] != FSTATE_READY) {
1413                                 /* Loop down. Timeout on min_wait for states
1414                                  * other than Wait for Login.
1415                                  */
1416                                 if (time_after_eq(jiffies, mtime)) {
1417                                         qla_printk(KERN_INFO, ha,
1418                                             "Cable is unplugged...\n");
1419
1420                                         vha->device_flags |= DFLG_NO_CABLE;
1421                                         break;
1422                                 }
1423                         }
1424                 } else {
1425                         /* Mailbox cmd failed. Timeout on min_wait. */
1426                         if (time_after_eq(jiffies, mtime))
1427                                 break;
1428                 }
1429
1430                 if (time_after_eq(jiffies, wtime))
1431                         break;
1432
1433                 /* Delay for a while */
1434                 msleep(500);
1435
1436                 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1437                     vha->host_no, state[0], jiffies));
1438         } while (1);
1439
1440         DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1441             vha->host_no, state[0], jiffies));
1442
1443         if (rval) {
1444                 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1445                     vha->host_no));
1446         }
1447
1448         return (rval);
1449 }
1450
1451 /*
1452 *  qla2x00_configure_hba
1453 *      Setup adapter context.
1454 *
1455 * Input:
1456 *      ha = adapter state pointer.
1457 *
1458 * Returns:
1459 *      0 = success
1460 *
1461 * Context:
1462 *      Kernel context.
1463 */
1464 static int
1465 qla2x00_configure_hba(scsi_qla_host_t *vha)
1466 {
1467         int       rval;
1468         uint16_t      loop_id;
1469         uint16_t      topo;
1470         uint16_t      sw_cap;
1471         uint8_t       al_pa;
1472         uint8_t       area;
1473         uint8_t       domain;
1474         char            connect_type[22];
1475         struct qla_hw_data *ha = vha->hw;
1476
1477         /* Get host addresses. */
1478         rval = qla2x00_get_adapter_id(vha,
1479             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1480         if (rval != QLA_SUCCESS) {
1481                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
1482                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1483                         DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1484                             __func__, vha->host_no));
1485                 } else {
1486                         qla_printk(KERN_WARNING, ha,
1487                             "ERROR -- Unable to get host loop ID.\n");
1488                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1489                 }
1490                 return (rval);
1491         }
1492
1493         if (topo == 4) {
1494                 qla_printk(KERN_INFO, ha,
1495                         "Cannot get topology - retrying.\n");
1496                 return (QLA_FUNCTION_FAILED);
1497         }
1498
1499         vha->loop_id = loop_id;
1500
1501         /* initialize */
1502         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1503         ha->operating_mode = LOOP;
1504         ha->switch_cap = 0;
1505
1506         switch (topo) {
1507         case 0:
1508                 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1509                     vha->host_no));
1510                 ha->current_topology = ISP_CFG_NL;
1511                 strcpy(connect_type, "(Loop)");
1512                 break;
1513
1514         case 1:
1515                 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1516                     vha->host_no));
1517                 ha->switch_cap = sw_cap;
1518                 ha->current_topology = ISP_CFG_FL;
1519                 strcpy(connect_type, "(FL_Port)");
1520                 break;
1521
1522         case 2:
1523                 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1524                     vha->host_no));
1525                 ha->operating_mode = P2P;
1526                 ha->current_topology = ISP_CFG_N;
1527                 strcpy(connect_type, "(N_Port-to-N_Port)");
1528                 break;
1529
1530         case 3:
1531                 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1532                     vha->host_no));
1533                 ha->switch_cap = sw_cap;
1534                 ha->operating_mode = P2P;
1535                 ha->current_topology = ISP_CFG_F;
1536                 strcpy(connect_type, "(F_Port)");
1537                 break;
1538
1539         default:
1540                 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1541                     "Using NL.\n",
1542                     vha->host_no, topo));
1543                 ha->current_topology = ISP_CFG_NL;
1544                 strcpy(connect_type, "(Loop)");
1545                 break;
1546         }
1547
1548         /* Save Host port and loop ID. */
1549         /* byte order - Big Endian */
1550         vha->d_id.b.domain = domain;
1551         vha->d_id.b.area = area;
1552         vha->d_id.b.al_pa = al_pa;
1553
1554         if (!vha->flags.init_done)
1555                 qla_printk(KERN_INFO, ha,
1556                     "Topology - %s, Host Loop address 0x%x\n",
1557                     connect_type, vha->loop_id);
1558
1559         if (rval) {
1560                 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1561         } else {
1562                 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1563         }
1564
1565         return(rval);
1566 }
1567
1568 static inline void
1569 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1570         char *def)
1571 {
1572         char *st, *en;
1573         uint16_t index;
1574         struct qla_hw_data *ha = vha->hw;
1575
1576         if (memcmp(model, BINZERO, len) != 0) {
1577                 strncpy(ha->model_number, model, len);
1578                 st = en = ha->model_number;
1579                 en += len - 1;
1580                 while (en > st) {
1581                         if (*en != 0x20 && *en != 0x00)
1582                                 break;
1583                         *en-- = '\0';
1584                 }
1585
1586                 index = (ha->pdev->subsystem_device & 0xff);
1587                 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1588                     index < QLA_MODEL_NAMES)
1589                         strncpy(ha->model_desc,
1590                             qla2x00_model_name[index * 2 + 1],
1591                             sizeof(ha->model_desc) - 1);
1592         } else {
1593                 index = (ha->pdev->subsystem_device & 0xff);
1594                 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1595                     index < QLA_MODEL_NAMES) {
1596                         strcpy(ha->model_number,
1597                             qla2x00_model_name[index * 2]);
1598                         strncpy(ha->model_desc,
1599                             qla2x00_model_name[index * 2 + 1],
1600                             sizeof(ha->model_desc) - 1);
1601                 } else {
1602                         strcpy(ha->model_number, def);
1603                 }
1604         }
1605         if (IS_FWI2_CAPABLE(ha))
1606                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1607                     sizeof(ha->model_desc));
1608 }
1609
1610 /* On sparc systems, obtain port and node WWN from firmware
1611  * properties.
1612  */
1613 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
1614 {
1615 #ifdef CONFIG_SPARC
1616         struct qla_hw_data *ha = vha->hw;
1617         struct pci_dev *pdev = ha->pdev;
1618         struct device_node *dp = pci_device_to_OF_node(pdev);
1619         const u8 *val;
1620         int len;
1621
1622         val = of_get_property(dp, "port-wwn", &len);
1623         if (val && len >= WWN_SIZE)
1624                 memcpy(nv->port_name, val, WWN_SIZE);
1625
1626         val = of_get_property(dp, "node-wwn", &len);
1627         if (val && len >= WWN_SIZE)
1628                 memcpy(nv->node_name, val, WWN_SIZE);
1629 #endif
1630 }
1631
1632 /*
1633 * NVRAM configuration for ISP 2xxx
1634 *
1635 * Input:
1636 *      ha                = adapter block pointer.
1637 *
1638 * Output:
1639 *      initialization control block in response_ring
1640 *      host adapters parameters in host adapter block
1641 *
1642 * Returns:
1643 *      0 = success.
1644 */
1645 int
1646 qla2x00_nvram_config(scsi_qla_host_t *vha)
1647 {
1648         int             rval;
1649         uint8_t         chksum = 0;
1650         uint16_t        cnt;
1651         uint8_t         *dptr1, *dptr2;
1652         struct qla_hw_data *ha = vha->hw;
1653         init_cb_t       *icb = ha->init_cb;
1654         nvram_t         *nv = ha->nvram;
1655         uint8_t         *ptr = ha->nvram;
1656         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1657
1658         rval = QLA_SUCCESS;
1659
1660         /* Determine NVRAM starting address. */
1661         ha->nvram_size = sizeof(nvram_t);
1662         ha->nvram_base = 0;
1663         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1664                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1665                         ha->nvram_base = 0x80;
1666
1667         /* Get NVRAM data and calculate checksum. */
1668         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
1669         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1670                 chksum += *ptr++;
1671
1672         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
1673         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1674
1675         /* Bad NVRAM data, set defaults parameters. */
1676         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1677             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1678                 /* Reset NVRAM data. */
1679                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1680                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1681                     nv->nvram_version);
1682                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1683                     "invalid -- WWPN) defaults.\n");
1684
1685                 /*
1686                  * Set default initialization control block.
1687                  */
1688                 memset(nv, 0, ha->nvram_size);
1689                 nv->parameter_block_version = ICB_VERSION;
1690
1691                 if (IS_QLA23XX(ha)) {
1692                         nv->firmware_options[0] = BIT_2 | BIT_1;
1693                         nv->firmware_options[1] = BIT_7 | BIT_5;
1694                         nv->add_firmware_options[0] = BIT_5;
1695                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1696                         nv->frame_payload_size = __constant_cpu_to_le16(2048);
1697                         nv->special_options[1] = BIT_7;
1698                 } else if (IS_QLA2200(ha)) {
1699                         nv->firmware_options[0] = BIT_2 | BIT_1;
1700                         nv->firmware_options[1] = BIT_7 | BIT_5;
1701                         nv->add_firmware_options[0] = BIT_5;
1702                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
1703                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1704                 } else if (IS_QLA2100(ha)) {
1705                         nv->firmware_options[0] = BIT_3 | BIT_1;
1706                         nv->firmware_options[1] = BIT_5;
1707                         nv->frame_payload_size = __constant_cpu_to_le16(1024);
1708                 }
1709
1710                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1711                 nv->execution_throttle = __constant_cpu_to_le16(16);
1712                 nv->retry_count = 8;
1713                 nv->retry_delay = 1;
1714
1715                 nv->port_name[0] = 33;
1716                 nv->port_name[3] = 224;
1717                 nv->port_name[4] = 139;
1718
1719                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
1720
1721                 nv->login_timeout = 4;
1722
1723                 /*
1724                  * Set default host adapter parameters
1725                  */
1726                 nv->host_p[1] = BIT_2;
1727                 nv->reset_delay = 5;
1728                 nv->port_down_retry_count = 8;
1729                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1730                 nv->link_down_timeout = 60;
1731
1732                 rval = 1;
1733         }
1734
1735 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1736         /*
1737          * The SN2 does not provide BIOS emulation which means you can't change
1738          * potentially bogus BIOS settings. Force the use of default settings
1739          * for link rate and frame size.  Hope that the rest of the settings
1740          * are valid.
1741          */
1742         if (ia64_platform_is("sn2")) {
1743                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1744                 if (IS_QLA23XX(ha))
1745                         nv->special_options[1] = BIT_7;
1746         }
1747 #endif
1748
1749         /* Reset Initialization control block */
1750         memset(icb, 0, ha->init_cb_size);
1751
1752         /*
1753          * Setup driver NVRAM options.
1754          */
1755         nv->firmware_options[0] |= (BIT_6 | BIT_1);
1756         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1757         nv->firmware_options[1] |= (BIT_5 | BIT_0);
1758         nv->firmware_options[1] &= ~BIT_4;
1759
1760         if (IS_QLA23XX(ha)) {
1761                 nv->firmware_options[0] |= BIT_2;
1762                 nv->firmware_options[0] &= ~BIT_3;
1763                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1764
1765                 if (IS_QLA2300(ha)) {
1766                         if (ha->fb_rev == FPM_2310) {
1767                                 strcpy(ha->model_number, "QLA2310");
1768                         } else {
1769                                 strcpy(ha->model_number, "QLA2300");
1770                         }
1771                 } else {
1772                         qla2x00_set_model_info(vha, nv->model_number,
1773                             sizeof(nv->model_number), "QLA23xx");
1774                 }
1775         } else if (IS_QLA2200(ha)) {
1776                 nv->firmware_options[0] |= BIT_2;
1777                 /*
1778                  * 'Point-to-point preferred, else loop' is not a safe
1779                  * connection mode setting.
1780                  */
1781                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1782                     (BIT_5 | BIT_4)) {
1783                         /* Force 'loop preferred, else point-to-point'. */
1784                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1785                         nv->add_firmware_options[0] |= BIT_5;
1786                 }
1787                 strcpy(ha->model_number, "QLA22xx");
1788         } else /*if (IS_QLA2100(ha))*/ {
1789                 strcpy(ha->model_number, "QLA2100");
1790         }
1791
1792         /*
1793          * Copy over NVRAM RISC parameter block to initialization control block.
1794          */
1795         dptr1 = (uint8_t *)icb;
1796         dptr2 = (uint8_t *)&nv->parameter_block_version;
1797         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1798         while (cnt--)
1799                 *dptr1++ = *dptr2++;
1800
1801         /* Copy 2nd half. */
1802         dptr1 = (uint8_t *)icb->add_firmware_options;
1803         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1804         while (cnt--)
1805                 *dptr1++ = *dptr2++;
1806
1807         /* Use alternate WWN? */
1808         if (nv->host_p[1] & BIT_7) {
1809                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1810                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1811         }
1812
1813         /* Prepare nodename */
1814         if ((icb->firmware_options[1] & BIT_6) == 0) {
1815                 /*
1816                  * Firmware will apply the following mask if the nodename was
1817                  * not provided.
1818                  */
1819                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1820                 icb->node_name[0] &= 0xF0;
1821         }
1822
1823         /*
1824          * Set host adapter parameters.
1825          */
1826         if (nv->host_p[0] & BIT_7)
1827                 ql2xextended_error_logging = 1;
1828         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1829         /* Always load RISC code on non ISP2[12]00 chips. */
1830         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1831                 ha->flags.disable_risc_code_load = 0;
1832         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1833         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1834         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1835         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1836         ha->flags.disable_serdes = 0;
1837
1838         ha->operating_mode =
1839             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1840
1841         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1842             sizeof(ha->fw_seriallink_options));
1843
1844         /* save HBA serial number */
1845         ha->serial0 = icb->port_name[5];
1846         ha->serial1 = icb->port_name[6];
1847         ha->serial2 = icb->port_name[7];
1848         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
1849         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1850
1851         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1852
1853         ha->retry_count = nv->retry_count;
1854
1855         /* Set minimum login_timeout to 4 seconds. */
1856         if (nv->login_timeout < ql2xlogintimeout)
1857                 nv->login_timeout = ql2xlogintimeout;
1858         if (nv->login_timeout < 4)
1859                 nv->login_timeout = 4;
1860         ha->login_timeout = nv->login_timeout;
1861         icb->login_timeout = nv->login_timeout;
1862
1863         /* Set minimum RATOV to 100 tenths of a second. */
1864         ha->r_a_tov = 100;
1865
1866         ha->loop_reset_delay = nv->reset_delay;
1867
1868         /* Link Down Timeout = 0:
1869          *
1870          *      When Port Down timer expires we will start returning
1871          *      I/O's to OS with "DID_NO_CONNECT".
1872          *
1873          * Link Down Timeout != 0:
1874          *
1875          *       The driver waits for the link to come up after link down
1876          *       before returning I/Os to OS with "DID_NO_CONNECT".
1877          */
1878         if (nv->link_down_timeout == 0) {
1879                 ha->loop_down_abort_time =
1880                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1881         } else {
1882                 ha->link_down_timeout =  nv->link_down_timeout;
1883                 ha->loop_down_abort_time =
1884                     (LOOP_DOWN_TIME - ha->link_down_timeout);
1885         }
1886
1887         /*
1888          * Need enough time to try and get the port back.
1889          */
1890         ha->port_down_retry_count = nv->port_down_retry_count;
1891         if (qlport_down_retry)
1892                 ha->port_down_retry_count = qlport_down_retry;
1893         /* Set login_retry_count */
1894         ha->login_retry_count  = nv->retry_count;
1895         if (ha->port_down_retry_count == nv->port_down_retry_count &&
1896             ha->port_down_retry_count > 3)
1897                 ha->login_retry_count = ha->port_down_retry_count;
1898         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1899                 ha->login_retry_count = ha->port_down_retry_count;
1900         if (ql2xloginretrycount)
1901                 ha->login_retry_count = ql2xloginretrycount;
1902
1903         icb->lun_enables = __constant_cpu_to_le16(0);
1904         icb->command_resource_count = 0;
1905         icb->immediate_notify_resource_count = 0;
1906         icb->timeout = __constant_cpu_to_le16(0);
1907
1908         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1909                 /* Enable RIO */
1910                 icb->firmware_options[0] &= ~BIT_3;
1911                 icb->add_firmware_options[0] &=
1912                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1913                 icb->add_firmware_options[0] |= BIT_2;
1914                 icb->response_accumulation_timer = 3;
1915                 icb->interrupt_delay_timer = 5;
1916
1917                 vha->flags.process_response_queue = 1;
1918         } else {
1919                 /* Enable ZIO. */
1920                 if (!vha->flags.init_done) {
1921                         ha->zio_mode = icb->add_firmware_options[0] &
1922                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1923                         ha->zio_timer = icb->interrupt_delay_timer ?
1924                             icb->interrupt_delay_timer: 2;
1925                 }
1926                 icb->add_firmware_options[0] &=
1927                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1928                 vha->flags.process_response_queue = 0;
1929                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1930                         ha->zio_mode = QLA_ZIO_MODE_6;
1931
1932                         DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1933                             "delay (%d us).\n", vha->host_no, ha->zio_mode,
1934                             ha->zio_timer * 100));
1935                         qla_printk(KERN_INFO, ha,
1936                             "ZIO mode %d enabled; timer delay (%d us).\n",
1937                             ha->zio_mode, ha->zio_timer * 100);
1938
1939                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1940                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1941                         vha->flags.process_response_queue = 1;
1942                 }
1943         }
1944
1945         if (rval) {
1946                 DEBUG2_3(printk(KERN_WARNING
1947                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
1948         }
1949         return (rval);
1950 }
1951
1952 static void
1953 qla2x00_rport_del(void *data)
1954 {
1955         fc_port_t *fcport = data;
1956         struct fc_rport *rport;
1957
1958         spin_lock_irq(fcport->vha->host->host_lock);
1959         rport = fcport->drport;
1960         fcport->drport = NULL;
1961         spin_unlock_irq(fcport->vha->host->host_lock);
1962         if (rport)
1963                 fc_remote_port_delete(rport);
1964 }
1965
1966 /**
1967  * qla2x00_alloc_fcport() - Allocate a generic fcport.
1968  * @ha: HA context
1969  * @flags: allocation flags
1970  *
1971  * Returns a pointer to the allocated fcport, or NULL, if none available.
1972  */
1973 static fc_port_t *
1974 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1975 {
1976         fc_port_t *fcport;
1977
1978         fcport = kzalloc(sizeof(fc_port_t), flags);
1979         if (!fcport)
1980                 return NULL;
1981
1982         /* Setup fcport template structure. */
1983         fcport->vha = vha;
1984         fcport->vp_idx = vha->vp_idx;
1985         fcport->port_type = FCT_UNKNOWN;
1986         fcport->loop_id = FC_NO_LOOP_ID;
1987         atomic_set(&fcport->state, FCS_UNCONFIGURED);
1988         fcport->flags = FCF_RLC_SUPPORT;
1989         fcport->supported_classes = FC_COS_UNSPECIFIED;
1990
1991         return fcport;
1992 }
1993
1994 /*
1995  * qla2x00_configure_loop
1996  *      Updates Fibre Channel Device Database with what is actually on loop.
1997  *
1998  * Input:
1999  *      ha                = adapter block pointer.
2000  *
2001  * Returns:
2002  *      0 = success.
2003  *      1 = error.
2004  *      2 = database was full and device was not configured.
2005  */
2006 static int
2007 qla2x00_configure_loop(scsi_qla_host_t *vha)
2008 {
2009         int  rval;
2010         unsigned long flags, save_flags;
2011         struct qla_hw_data *ha = vha->hw;
2012         rval = QLA_SUCCESS;
2013
2014         /* Get Initiator ID */
2015         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2016                 rval = qla2x00_configure_hba(vha);
2017                 if (rval != QLA_SUCCESS) {
2018                         DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
2019                             vha->host_no));
2020                         return (rval);
2021                 }
2022         }
2023
2024         save_flags = flags = vha->dpc_flags;
2025         DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
2026             vha->host_no, flags));
2027
2028         /*
2029          * If we have both an RSCN and PORT UPDATE pending then handle them
2030          * both at the same time.
2031          */
2032         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2033         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2034
2035         /* Determine what we need to do */
2036         if (ha->current_topology == ISP_CFG_FL &&
2037             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2038
2039                 vha->flags.rscn_queue_overflow = 1;
2040                 set_bit(RSCN_UPDATE, &flags);
2041
2042         } else if (ha->current_topology == ISP_CFG_F &&
2043             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2044
2045                 vha->flags.rscn_queue_overflow = 1;
2046                 set_bit(RSCN_UPDATE, &flags);
2047                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2048
2049         } else if (ha->current_topology == ISP_CFG_N) {
2050                 clear_bit(RSCN_UPDATE, &flags);
2051
2052         } else if (!vha->flags.online ||
2053             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2054
2055                 vha->flags.rscn_queue_overflow = 1;
2056                 set_bit(RSCN_UPDATE, &flags);
2057                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2058         }
2059
2060         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2061                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2062                         rval = QLA_FUNCTION_FAILED;
2063                 else
2064                         rval = qla2x00_configure_local_loop(vha);
2065         }
2066
2067         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2068                 if (LOOP_TRANSITION(vha))
2069                         rval = QLA_FUNCTION_FAILED;
2070                 else
2071                         rval = qla2x00_configure_fabric(vha);
2072         }
2073
2074         if (rval == QLA_SUCCESS) {
2075                 if (atomic_read(&vha->loop_down_timer) ||
2076                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2077                         rval = QLA_FUNCTION_FAILED;
2078                 } else {
2079                         atomic_set(&vha->loop_state, LOOP_READY);
2080
2081                         DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
2082                 }
2083         }
2084
2085         if (rval) {
2086                 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2087                     __func__, vha->host_no));
2088         } else {
2089                 DEBUG3(printk("%s: exiting normally\n", __func__));
2090         }
2091
2092         /* Restore state if a resync event occurred during processing */
2093         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2094                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2095                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2096                 if (test_bit(RSCN_UPDATE, &save_flags))
2097                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2098         }
2099
2100         return (rval);
2101 }
2102
2103
2104
2105 /*
2106  * qla2x00_configure_local_loop
2107  *      Updates Fibre Channel Device Database with local loop devices.
2108  *
2109  * Input:
2110  *      ha = adapter block pointer.
2111  *
2112  * Returns:
2113  *      0 = success.
2114  */
2115 static int
2116 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
2117 {
2118         int             rval, rval2;
2119         int             found_devs;
2120         int             found;
2121         fc_port_t       *fcport, *new_fcport;
2122
2123         uint16_t        index;
2124         uint16_t        entries;
2125         char            *id_iter;
2126         uint16_t        loop_id;
2127         uint8_t         domain, area, al_pa;
2128         struct qla_hw_data *ha = vha->hw;
2129
2130         found_devs = 0;
2131         new_fcport = NULL;
2132         entries = MAX_FIBRE_DEVICES;
2133
2134         DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2135         DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
2136
2137         /* Get list of logged in devices. */
2138         memset(ha->gid_list, 0, GID_LIST_SIZE);
2139         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
2140             &entries);
2141         if (rval != QLA_SUCCESS)
2142                 goto cleanup_allocation;
2143
2144         DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2145             ha->host_no, entries));
2146         DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2147             entries * sizeof(struct gid_list_info)));
2148
2149         /* Allocate temporary fcport for any new fcports discovered. */
2150         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2151         if (new_fcport == NULL) {
2152                 rval = QLA_MEMORY_ALLOC_FAILED;
2153                 goto cleanup_allocation;
2154         }
2155         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2156
2157         /*
2158          * Mark local devices that were present with FCF_DEVICE_LOST for now.
2159          */
2160         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2161                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2162                     fcport->port_type != FCT_BROADCAST &&
2163                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2164
2165                         DEBUG(printk("scsi(%ld): Marking port lost, "
2166                             "loop_id=0x%04x\n",
2167                             vha->host_no, fcport->loop_id));
2168
2169                         atomic_set(&fcport->state, FCS_DEVICE_LOST);
2170                         fcport->flags &= ~FCF_FARP_DONE;
2171                 }
2172         }
2173
2174         /* Add devices to port list. */
2175         id_iter = (char *)ha->gid_list;
2176         for (index = 0; index < entries; index++) {
2177                 domain = ((struct gid_list_info *)id_iter)->domain;
2178                 area = ((struct gid_list_info *)id_iter)->area;
2179                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
2180                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
2181                         loop_id = (uint16_t)
2182                             ((struct gid_list_info *)id_iter)->loop_id_2100;
2183                 else
2184                         loop_id = le16_to_cpu(
2185                             ((struct gid_list_info *)id_iter)->loop_id);
2186                 id_iter += ha->gid_list_info_size;
2187
2188                 /* Bypass reserved domain fields. */
2189                 if ((domain & 0xf0) == 0xf0)
2190                         continue;
2191
2192                 /* Bypass if not same domain and area of adapter. */
2193                 if (area && domain &&
2194                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
2195                         continue;
2196
2197                 /* Bypass invalid local loop ID. */
2198                 if (loop_id > LAST_LOCAL_LOOP_ID)
2199                         continue;
2200
2201                 /* Fill in member data. */
2202                 new_fcport->d_id.b.domain = domain;
2203                 new_fcport->d_id.b.area = area;
2204                 new_fcport->d_id.b.al_pa = al_pa;
2205                 new_fcport->loop_id = loop_id;
2206                 new_fcport->vp_idx = vha->vp_idx;
2207                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
2208                 if (rval2 != QLA_SUCCESS) {
2209                         DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2210                             "information -- get_port_database=%x, "
2211                             "loop_id=0x%04x\n",
2212                             vha->host_no, rval2, new_fcport->loop_id));
2213                         DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2214                             vha->host_no));
2215                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2216                         continue;
2217                 }
2218
2219                 /* Check for matching device in port list. */
2220                 found = 0;
2221                 fcport = NULL;
2222                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2223                         if (memcmp(new_fcport->port_name, fcport->port_name,
2224                             WWN_SIZE))
2225                                 continue;
2226
2227                         fcport->flags &= ~(FCF_FABRIC_DEVICE |
2228                             FCF_PERSISTENT_BOUND);
2229                         fcport->loop_id = new_fcport->loop_id;
2230                         fcport->port_type = new_fcport->port_type;
2231                         fcport->d_id.b24 = new_fcport->d_id.b24;
2232                         memcpy(fcport->node_name, new_fcport->node_name,
2233                             WWN_SIZE);
2234
2235                         found++;
2236                         break;
2237                 }
2238
2239                 if (!found) {
2240                         /* New device, add to fcports list. */
2241                         new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2242                         if (vha->vp_idx) {
2243                                 new_fcport->vha = vha;
2244                                 new_fcport->vp_idx = vha->vp_idx;
2245                         }
2246                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
2247
2248                         /* Allocate a new replacement fcport. */
2249                         fcport = new_fcport;
2250                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2251                         if (new_fcport == NULL) {
2252                                 rval = QLA_MEMORY_ALLOC_FAILED;
2253                                 goto cleanup_allocation;
2254                         }
2255                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2256                 }
2257
2258                 /* Base iIDMA settings on HBA port speed. */
2259                 fcport->fp_speed = ha->link_data_rate;
2260
2261                 qla2x00_update_fcport(vha, fcport);
2262
2263                 found_devs++;
2264         }
2265
2266 cleanup_allocation:
2267         kfree(new_fcport);
2268
2269         if (rval != QLA_SUCCESS) {
2270                 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2271                     "rval=%x\n", vha->host_no, rval));
2272         }
2273
2274         if (found_devs) {
2275                 vha->device_flags |= DFLG_LOCAL_DEVICES;
2276                 vha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2277         }
2278
2279         return (rval);
2280 }
2281
2282 static void
2283 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2284 {
2285 #define LS_UNKNOWN      2
2286         static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
2287         int rval;
2288         uint16_t mb[6];
2289         struct qla_hw_data *ha = vha->hw;
2290
2291         if (!IS_IIDMA_CAPABLE(ha))
2292                 return;
2293
2294         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2295             fcport->fp_speed > ha->link_data_rate)
2296                 return;
2297
2298         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
2299             mb);
2300         if (rval != QLA_SUCCESS) {
2301                 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2302                     "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2303                     vha->host_no, fcport->port_name[0], fcport->port_name[1],
2304                     fcport->port_name[2], fcport->port_name[3],
2305                     fcport->port_name[4], fcport->port_name[5],
2306                     fcport->port_name[6], fcport->port_name[7], rval,
2307                     fcport->fp_speed, mb[0], mb[1]));
2308         } else {
2309                 DEBUG2(qla_printk(KERN_INFO, ha,
2310                     "iIDMA adjusted to %s GB/s on "
2311                     "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2312                     link_speeds[fcport->fp_speed], fcport->port_name[0],
2313                     fcport->port_name[1], fcport->port_name[2],
2314                     fcport->port_name[3], fcport->port_name[4],
2315                     fcport->port_name[5], fcport->port_name[6],
2316                     fcport->port_name[7]));
2317         }
2318 }
2319
2320 static void
2321 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
2322 {
2323         struct fc_rport_identifiers rport_ids;
2324         struct fc_rport *rport;
2325         struct qla_hw_data *ha = vha->hw;
2326
2327         if (fcport->drport)
2328                 qla2x00_rport_del(fcport);
2329
2330         rport_ids.node_name = wwn_to_u64(fcport->node_name);
2331         rport_ids.port_name = wwn_to_u64(fcport->port_name);
2332         rport_ids.port_id = fcport->d_id.b.domain << 16 |
2333             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2334         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2335         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
2336         if (!rport) {
2337                 qla_printk(KERN_WARNING, ha,
2338                     "Unable to allocate fc remote port!\n");
2339                 return;
2340         }
2341         spin_lock_irq(fcport->vha->host->host_lock);
2342         *((fc_port_t **)rport->dd_data) = fcport;
2343         spin_unlock_irq(fcport->vha->host->host_lock);
2344
2345         rport->supported_classes = fcport->supported_classes;
2346
2347         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2348         if (fcport->port_type == FCT_INITIATOR)
2349                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2350         if (fcport->port_type == FCT_TARGET)
2351                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2352         fc_remote_port_rolechg(rport, rport_ids.roles);
2353 }
2354
2355 /*
2356  * qla2x00_update_fcport
2357  *      Updates device on list.
2358  *
2359  * Input:
2360  *      ha = adapter block pointer.
2361  *      fcport = port structure pointer.
2362  *
2363  * Return:
2364  *      0  - Success
2365  *  BIT_0 - error
2366  *
2367  * Context:
2368  *      Kernel context.
2369  */
2370 void
2371 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
2372 {
2373         struct qla_hw_data *ha = vha->hw;
2374
2375         fcport->vha = vha;
2376         fcport->login_retry = 0;
2377         fcport->port_login_retry_count = ha->port_down_retry_count *
2378             PORT_RETRY_TIME;
2379         atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2380             PORT_RETRY_TIME);
2381         fcport->flags &= ~FCF_LOGIN_NEEDED;
2382
2383         qla2x00_iidma_fcport(vha, fcport);
2384
2385         atomic_set(&fcport->state, FCS_ONLINE);
2386
2387         qla2x00_reg_remote_port(vha, fcport);
2388 }
2389
2390 /*
2391  * qla2x00_configure_fabric
2392  *      Setup SNS devices with loop ID's.
2393  *
2394  * Input:
2395  *      ha = adapter block pointer.
2396  *
2397  * Returns:
2398  *      0 = success.
2399  *      BIT_0 = error
2400  */
2401 static int
2402 qla2x00_configure_fabric(scsi_qla_host_t *vha)
2403 {
2404         int     rval, rval2;
2405         fc_port_t       *fcport, *fcptemp;
2406         uint16_t        next_loopid;
2407         uint16_t        mb[MAILBOX_REGISTER_COUNT];
2408         uint16_t        loop_id;
2409         LIST_HEAD(new_fcports);
2410         struct qla_hw_data *ha = vha->hw;
2411         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2412
2413         /* If FL port exists, then SNS is present */
2414         if (IS_FWI2_CAPABLE(ha))
2415                 loop_id = NPH_F_PORT;
2416         else
2417                 loop_id = SNS_FL_PORT;
2418         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
2419         if (rval != QLA_SUCCESS) {
2420                 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2421                     "Port\n", vha->host_no));
2422
2423                 vha->device_flags &= ~SWITCH_FOUND;
2424                 return (QLA_SUCCESS);
2425         }
2426         vha->device_flags |= SWITCH_FOUND;
2427
2428         /* Mark devices that need re-synchronization. */
2429         rval2 = qla2x00_device_resync(vha);
2430         if (rval2 == QLA_RSCNS_HANDLED) {
2431                 /* No point doing the scan, just continue. */
2432                 return (QLA_SUCCESS);
2433         }
2434         do {
2435                 /* FDMI support. */
2436                 if (ql2xfdmienable &&
2437                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2438                         qla2x00_fdmi_register(vha);
2439
2440                 /* Ensure we are logged into the SNS. */
2441                 if (IS_FWI2_CAPABLE(ha))
2442                         loop_id = NPH_SNS;
2443                 else
2444                         loop_id = SIMPLE_NAME_SERVER;
2445                 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
2446                     0xfc, mb, BIT_1 | BIT_0);
2447                 if (mb[0] != MBS_COMMAND_COMPLETE) {
2448                         DEBUG2(qla_printk(KERN_INFO, ha,
2449                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2450                             "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2451                             mb[0], mb[1], mb[2], mb[6], mb[7]));
2452                         return (QLA_SUCCESS);
2453                 }
2454
2455                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2456                         if (qla2x00_rft_id(vha)) {
2457                                 /* EMPTY */
2458                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2459                                     "TYPE failed.\n", vha->host_no));
2460                         }
2461                         if (qla2x00_rff_id(vha)) {
2462                                 /* EMPTY */
2463                                 DEBUG2(printk("scsi(%ld): Register FC-4 "
2464                                     "Features failed.\n", vha->host_no));
2465                         }
2466                         if (qla2x00_rnn_id(vha)) {
2467                                 /* EMPTY */
2468                                 DEBUG2(printk("scsi(%ld): Register Node Name "
2469                                     "failed.\n", vha->host_no));
2470                         } else if (qla2x00_rsnn_nn(vha)) {
2471                                 /* EMPTY */
2472                                 DEBUG2(printk("scsi(%ld): Register Symbolic "
2473                                     "Node Name failed.\n", vha->host_no));
2474                         }
2475                 }
2476
2477                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
2478                 if (rval != QLA_SUCCESS)
2479                         break;
2480
2481                 /*
2482                  * Logout all previous fabric devices marked lost, except
2483                  * tape devices.
2484                  */
2485                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2486                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2487                                 break;
2488
2489                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2490                                 continue;
2491
2492                         if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2493                                 qla2x00_mark_device_lost(vha, fcport,
2494                                     ql2xplogiabsentdevice, 0);
2495                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
2496                                     (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2497                                     fcport->port_type != FCT_INITIATOR &&
2498                                     fcport->port_type != FCT_BROADCAST) {
2499                                         ha->isp_ops->fabric_logout(vha,
2500                                             fcport->loop_id,
2501                                             fcport->d_id.b.domain,
2502                                             fcport->d_id.b.area,
2503                                             fcport->d_id.b.al_pa);
2504                                         fcport->loop_id = FC_NO_LOOP_ID;
2505                                 }
2506                         }
2507                 }
2508
2509                 /* Starting free loop ID. */
2510                 next_loopid = ha->min_external_loopid;
2511
2512                 /*
2513                  * Scan through our port list and login entries that need to be
2514                  * logged in.
2515                  */
2516                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2517                         if (atomic_read(&vha->loop_down_timer) ||
2518                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2519                                 break;
2520
2521                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2522                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2523                                 continue;
2524
2525                         if (fcport->loop_id == FC_NO_LOOP_ID) {
2526                                 fcport->loop_id = next_loopid;
2527                                 rval = qla2x00_find_new_loop_id(
2528                                     base_vha, fcport);
2529                                 if (rval != QLA_SUCCESS) {
2530                                         /* Ran out of IDs to use */
2531                                         break;
2532                                 }
2533                         }
2534                         /* Login and update database */
2535                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2536                 }
2537
2538                 /* Exit if out of loop IDs. */
2539                 if (rval != QLA_SUCCESS) {
2540                         break;
2541                 }
2542
2543                 /*
2544                  * Login and add the new devices to our port list.
2545                  */
2546                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2547                         if (atomic_read(&vha->loop_down_timer) ||
2548                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
2549                                 break;
2550
2551                         /* Find a new loop ID to use. */
2552                         fcport->loop_id = next_loopid;
2553                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
2554                         if (rval != QLA_SUCCESS) {
2555                                 /* Ran out of IDs to use */
2556                                 break;
2557                         }
2558
2559                         /* Login and update database */
2560                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2561
2562                         if (vha->vp_idx) {
2563                                 fcport->vha = vha;
2564                                 fcport->vp_idx = vha->vp_idx;
2565                         }
2566                         list_move_tail(&fcport->list, &vha->vp_fcports);
2567                 }
2568         } while (0);
2569
2570         /* Free all new device structures not processed. */
2571         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2572                 list_del(&fcport->list);
2573                 kfree(fcport);
2574         }
2575
2576         if (rval) {
2577                 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2578                     "rval=%d\n", vha->host_no, rval));
2579         }
2580
2581         return (rval);
2582 }
2583
2584
2585 /*
2586  * qla2x00_find_all_fabric_devs
2587  *
2588  * Input:
2589  *      ha = adapter block pointer.
2590  *      dev = database device entry pointer.
2591  *
2592  * Returns:
2593  *      0 = success.
2594  *
2595  * Context:
2596  *      Kernel context.
2597  */
2598 static int
2599 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2600         struct list_head *new_fcports)
2601 {
2602         int             rval;
2603         uint16_t        loop_id;
2604         fc_port_t       *fcport, *new_fcport, *fcptemp;
2605         int             found;
2606
2607         sw_info_t       *swl;
2608         int             swl_idx;
2609         int             first_dev, last_dev;
2610         port_id_t       wrap, nxt_d_id;
2611         struct qla_hw_data *ha = vha->hw;
2612         struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
2613
2614         rval = QLA_SUCCESS;
2615
2616         /* Try GID_PT to get device list, else GAN. */
2617         swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2618         if (!swl) {
2619                 /*EMPTY*/
2620                 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2621                     "on GA_NXT\n", vha->host_no));
2622         } else {
2623                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
2624                         kfree(swl);
2625                         swl = NULL;
2626                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
2627                         kfree(swl);
2628                         swl = NULL;
2629                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
2630                         kfree(swl);
2631                         swl = NULL;
2632                 } else if (ql2xiidmaenable &&
2633                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2634                         qla2x00_gpsc(vha, swl);
2635                 }
2636         }
2637         swl_idx = 0;
2638
2639         /* Allocate temporary fcport for any new fcports discovered. */
2640         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2641         if (new_fcport == NULL) {
2642                 kfree(swl);
2643                 return (QLA_MEMORY_ALLOC_FAILED);
2644         }
2645         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2646         /* Set start port ID scan at adapter ID. */
2647         first_dev = 1;
2648         last_dev = 0;
2649
2650         /* Starting free loop ID. */
2651         loop_id = ha->min_external_loopid;
2652         for (; loop_id <= ha->max_loop_id; loop_id++) {
2653                 if (qla2x00_is_reserved_id(vha, loop_id))
2654                         continue;
2655
2656                 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
2657                         break;
2658
2659                 if (swl != NULL) {
2660                         if (last_dev) {
2661                                 wrap.b24 = new_fcport->d_id.b24;
2662                         } else {
2663                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2664                                 memcpy(new_fcport->node_name,
2665                                     swl[swl_idx].node_name, WWN_SIZE);
2666                                 memcpy(new_fcport->port_name,
2667                                     swl[swl_idx].port_name, WWN_SIZE);
2668                                 memcpy(new_fcport->fabric_port_name,
2669                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
2670                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2671
2672                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2673                                         last_dev = 1;
2674                                 }
2675                                 swl_idx++;
2676                         }
2677                 } else {
2678                         /* Send GA_NXT to the switch */
2679                         rval = qla2x00_ga_nxt(vha, new_fcport);
2680                         if (rval != QLA_SUCCESS) {
2681                                 qla_printk(KERN_WARNING, ha,
2682                                     "SNS scan failed -- assuming zero-entry "
2683                                     "result...\n");
2684                                 list_for_each_entry_safe(fcport, fcptemp,
2685                                     new_fcports, list) {
2686                                         list_del(&fcport->list);
2687                                         kfree(fcport);
2688                                 }
2689                                 rval = QLA_SUCCESS;
2690                                 break;
2691                         }
2692                 }
2693
2694                 /* If wrap on switch device list, exit. */
2695                 if (first_dev) {
2696                         wrap.b24 = new_fcport->d_id.b24;
2697                         first_dev = 0;
2698                 } else if (new_fcport->d_id.b24 == wrap.b24) {
2699                         DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2700                             vha->host_no, new_fcport->d_id.b.domain,
2701                             new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2702                         break;
2703                 }
2704
2705                 /* Bypass if same physical adapter. */
2706                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
2707                         continue;
2708
2709                 /* Bypass virtual ports of the same host. */
2710                 found = 0;
2711                 if (ha->num_vhosts) {
2712                         list_for_each_entry(vp, &ha->vp_list, list) {
2713                                 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2714                                         found = 1;
2715                                         break;
2716                                 }
2717                         }
2718                         if (found)
2719                                 continue;
2720                 }
2721
2722                 /* Bypass if same domain and area of adapter. */
2723                 if (((new_fcport->d_id.b24 & 0xffff00) ==
2724                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2725                         ISP_CFG_FL)
2726                             continue;
2727
2728                 /* Bypass reserved domain fields. */
2729                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2730                         continue;
2731
2732                 /* Locate matching device in database. */
2733                 found = 0;
2734                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2735                         if (memcmp(new_fcport->port_name, fcport->port_name,
2736                             WWN_SIZE))
2737                                 continue;
2738
2739                         found++;
2740
2741                         /* Update port state. */
2742                         memcpy(fcport->fabric_port_name,
2743                             new_fcport->fabric_port_name, WWN_SIZE);
2744                         fcport->fp_speed = new_fcport->fp_speed;
2745
2746                         /*
2747                          * If address the same and state FCS_ONLINE, nothing
2748                          * changed.
2749                          */
2750                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2751                             atomic_read(&fcport->state) == FCS_ONLINE) {
2752                                 break;
2753                         }
2754
2755                         /*
2756                          * If device was not a fabric device before.
2757                          */
2758                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2759                                 fcport->d_id.b24 = new_fcport->d_id.b24;
2760                                 fcport->loop_id = FC_NO_LOOP_ID;
2761                                 fcport->flags |= (FCF_FABRIC_DEVICE |
2762                                     FCF_LOGIN_NEEDED);
2763                                 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2764                                 break;
2765                         }
2766
2767                         /*
2768                          * Port ID changed or device was marked to be updated;
2769                          * Log it out if still logged in and mark it for
2770                          * relogin later.
2771                          */
2772                         fcport->d_id.b24 = new_fcport->d_id.b24;
2773                         fcport->flags |= FCF_LOGIN_NEEDED;
2774                         if (fcport->loop_id != FC_NO_LOOP_ID &&
2775                             (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2776                             fcport->port_type != FCT_INITIATOR &&
2777                             fcport->port_type != FCT_BROADCAST) {
2778                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
2779                                     fcport->d_id.b.domain, fcport->d_id.b.area,
2780                                     fcport->d_id.b.al_pa);
2781                                 fcport->loop_id = FC_NO_LOOP_ID;
2782                         }
2783
2784                         break;
2785                 }
2786
2787                 if (found)
2788                         continue;
2789                 /* If device was not in our fcports list, then add it. */
2790                 list_add_tail(&new_fcport->list, new_fcports);
2791
2792                 /* Allocate a new replacement fcport. */
2793                 nxt_d_id.b24 = new_fcport->d_id.b24;
2794                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2795                 if (new_fcport == NULL) {
2796                         kfree(swl);
2797                         return (QLA_MEMORY_ALLOC_FAILED);
2798                 }
2799                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2800                 new_fcport->d_id.b24 = nxt_d_id.b24;
2801         }
2802
2803         kfree(swl);
2804         kfree(new_fcport);
2805
2806         if (!list_empty(new_fcports))
2807                 vha->device_flags |= DFLG_FABRIC_DEVICES;
2808
2809         return (rval);
2810 }
2811
2812 /*
2813  * qla2x00_find_new_loop_id
2814  *      Scan through our port list and find a new usable loop ID.
2815  *
2816  * Input:
2817  *      ha:     adapter state pointer.
2818  *      dev:    port structure pointer.
2819  *
2820  * Returns:
2821  *      qla2x00 local function return status code.
2822  *
2823  * Context:
2824  *      Kernel context.
2825  */
2826 static int
2827 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
2828 {
2829         int     rval;
2830         int     found;
2831         fc_port_t *fcport;
2832         uint16_t first_loop_id;
2833         struct qla_hw_data *ha = vha->hw;
2834         struct scsi_qla_host *vp;
2835
2836         rval = QLA_SUCCESS;
2837
2838         /* Save starting loop ID. */
2839         first_loop_id = dev->loop_id;
2840
2841         for (;;) {
2842                 /* Skip loop ID if already used by adapter. */
2843                 if (dev->loop_id == vha->loop_id)
2844                         dev->loop_id++;
2845
2846                 /* Skip reserved loop IDs. */
2847                 while (qla2x00_is_reserved_id(vha, dev->loop_id))
2848                         dev->loop_id++;
2849
2850                 /* Reset loop ID if passed the end. */
2851                 if (dev->loop_id > ha->max_loop_id) {
2852                         /* first loop ID. */
2853                         dev->loop_id = ha->min_external_loopid;
2854                 }
2855
2856                 /* Check for loop ID being already in use. */
2857                 found = 0;
2858                 fcport = NULL;
2859                 list_for_each_entry(vp, &ha->vp_list, list) {
2860                         list_for_each_entry(fcport, &vp->vp_fcports, list) {
2861                                 if (fcport->loop_id == dev->loop_id &&
2862                                                                 fcport != dev) {
2863                                         /* ID possibly in use */
2864                                         found++;
2865                                         break;
2866                                 }
2867                         }
2868                         if (found)
2869                                 break;
2870                 }
2871
2872                 /* If not in use then it is free to use. */
2873                 if (!found) {
2874                         break;
2875                 }
2876
2877                 /* ID in use. Try next value. */
2878                 dev->loop_id++;
2879
2880                 /* If wrap around. No free ID to use. */
2881                 if (dev->loop_id == first_loop_id) {
2882                         dev->loop_id = FC_NO_LOOP_ID;
2883                         rval = QLA_FUNCTION_FAILED;
2884                         break;
2885                 }
2886         }
2887
2888         return (rval);
2889 }
2890
2891 /*
2892  * qla2x00_device_resync
2893  *      Marks devices in the database that needs resynchronization.
2894  *
2895  * Input:
2896  *      ha = adapter block pointer.
2897  *
2898  * Context:
2899  *      Kernel context.
2900  */
2901 static int
2902 qla2x00_device_resync(scsi_qla_host_t *vha)
2903 {
2904         int     rval;
2905         uint32_t mask;
2906         fc_port_t *fcport;
2907         uint32_t rscn_entry;
2908         uint8_t rscn_out_iter;
2909         uint8_t format;
2910         port_id_t d_id;
2911
2912         rval = QLA_RSCNS_HANDLED;
2913
2914         while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
2915             vha->flags.rscn_queue_overflow) {
2916
2917                 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
2918                 format = MSB(MSW(rscn_entry));
2919                 d_id.b.domain = LSB(MSW(rscn_entry));
2920                 d_id.b.area = MSB(LSW(rscn_entry));
2921                 d_id.b.al_pa = LSB(LSW(rscn_entry));
2922
2923                 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2924                     "[%02x/%02x%02x%02x].\n",
2925                     vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
2926                     d_id.b.area, d_id.b.al_pa));
2927
2928                 vha->rscn_out_ptr++;
2929                 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
2930                         vha->rscn_out_ptr = 0;
2931
2932                 /* Skip duplicate entries. */
2933                 for (rscn_out_iter = vha->rscn_out_ptr;
2934                     !vha->flags.rscn_queue_overflow &&
2935                     rscn_out_iter != vha->rscn_in_ptr;
2936                     rscn_out_iter = (rscn_out_iter ==
2937                         (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2938
2939                         if (rscn_entry != vha->rscn_queue[rscn_out_iter])
2940                                 break;
2941
2942                         DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2943                             "entry found at [%d].\n", vha->host_no,
2944                             rscn_out_iter));
2945
2946                         vha->rscn_out_ptr = rscn_out_iter;
2947                 }
2948
2949                 /* Queue overflow, set switch default case. */
2950                 if (vha->flags.rscn_queue_overflow) {
2951                         DEBUG(printk("scsi(%ld): device_resync: rscn "
2952                             "overflow.\n", vha->host_no));
2953
2954                         format = 3;
2955                         vha->flags.rscn_queue_overflow = 0;
2956                 }
2957
2958                 switch (format) {
2959                 case 0:
2960                         mask = 0xffffff;
2961                         break;
2962                 case 1:
2963                         mask = 0xffff00;
2964                         break;
2965                 case 2:
2966                         mask = 0xff0000;
2967                         break;
2968                 default:
2969                         mask = 0x0;
2970                         d_id.b24 = 0;
2971                         vha->rscn_out_ptr = vha->rscn_in_ptr;
2972                         break;
2973                 }
2974
2975                 rval = QLA_SUCCESS;
2976
2977                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2978                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2979                             (fcport->d_id.b24 & mask) != d_id.b24 ||
2980                             fcport->port_type == FCT_BROADCAST)
2981                                 continue;
2982
2983                         if (atomic_read(&fcport->state) == FCS_ONLINE) {
2984                                 if (format != 3 ||
2985                                     fcport->port_type != FCT_INITIATOR) {
2986                                         qla2x00_mark_device_lost(vha, fcport,
2987                                             0, 0);
2988                                 }
2989                         }
2990                         fcport->flags &= ~FCF_FARP_DONE;
2991                 }
2992         }
2993         return (rval);
2994 }
2995
2996 /*
2997  * qla2x00_fabric_dev_login
2998  *      Login fabric target device and update FC port database.
2999  *
3000  * Input:
3001  *      ha:             adapter state pointer.
3002  *      fcport:         port structure list pointer.
3003  *      next_loopid:    contains value of a new loop ID that can be used
3004  *                      by the next login attempt.
3005  *
3006  * Returns:
3007  *      qla2x00 local function return status code.
3008  *
3009  * Context:
3010  *      Kernel context.
3011  */
3012 static int
3013 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3014     uint16_t *next_loopid)
3015 {
3016         int     rval;
3017         int     retry;
3018         uint8_t opts;
3019         struct qla_hw_data *ha = vha->hw;
3020
3021         rval = QLA_SUCCESS;
3022         retry = 0;
3023
3024         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3025         if (rval == QLA_SUCCESS) {
3026                 /* Send an ADISC to tape devices.*/
3027                 opts = 0;
3028                 if (fcport->flags & FCF_TAPE_PRESENT)
3029                         opts |= BIT_1;
3030                 rval = qla2x00_get_port_database(vha, fcport, opts);
3031                 if (rval != QLA_SUCCESS) {
3032                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3033                             fcport->d_id.b.domain, fcport->d_id.b.area,
3034                             fcport->d_id.b.al_pa);
3035                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3036                 } else {
3037                         qla2x00_update_fcport(vha, fcport);
3038                 }
3039         }
3040
3041         return (rval);
3042 }
3043
3044 /*
3045  * qla2x00_fabric_login
3046  *      Issue fabric login command.
3047  *
3048  * Input:
3049  *      ha = adapter block pointer.
3050  *      device = pointer to FC device type structure.
3051  *
3052  * Returns:
3053  *      0 - Login successfully
3054  *      1 - Login failed
3055  *      2 - Initiator device
3056  *      3 - Fatal error
3057  */
3058 int
3059 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3060     uint16_t *next_loopid)
3061 {
3062         int     rval;
3063         int     retry;
3064         uint16_t tmp_loopid;
3065         uint16_t mb[MAILBOX_REGISTER_COUNT];
3066         struct qla_hw_data *ha = vha->hw;
3067
3068         retry = 0;
3069         tmp_loopid = 0;
3070
3071         for (;;) {
3072                 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3073                     "for port %02x%02x%02x.\n",
3074                     vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3075                     fcport->d_id.b.area, fcport->d_id.b.al_pa));
3076
3077                 /* Login fcport on switch. */
3078                 ha->isp_ops->fabric_login(vha, fcport->loop_id,
3079                     fcport->d_id.b.domain, fcport->d_id.b.area,
3080                     fcport->d_id.b.al_pa, mb, BIT_0);
3081                 if (mb[0] == MBS_PORT_ID_USED) {
3082                         /*
3083                          * Device has another loop ID.  The firmware team
3084                          * recommends the driver perform an implicit login with
3085                          * the specified ID again. The ID we just used is save
3086                          * here so we return with an ID that can be tried by
3087                          * the next login.
3088                          */
3089                         retry++;
3090                         tmp_loopid = fcport->loop_id;
3091                         fcport->loop_id = mb[1];
3092
3093                         DEBUG(printk("Fabric Login: port in use - next "
3094                             "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3095                             fcport->loop_id, fcport->d_id.b.domain,
3096                             fcport->d_id.b.area, fcport->d_id.b.al_pa));
3097
3098                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3099                         /*
3100                          * Login succeeded.
3101                          */
3102                         if (retry) {
3103                                 /* A retry occurred before. */
3104                                 *next_loopid = tmp_loopid;
3105                         } else {
3106                                 /*
3107                                  * No retry occurred before. Just increment the
3108                                  * ID value for next login.
3109                                  */
3110                                 *next_loopid = (fcport->loop_id + 1);
3111                         }
3112
3113                         if (mb[1] & BIT_0) {
3114                                 fcport->port_type = FCT_INITIATOR;
3115                         } else {
3116                                 fcport->port_type = FCT_TARGET;
3117                                 if (mb[1] & BIT_1) {
3118                                         fcport->flags |= FCF_TAPE_PRESENT;
3119                                 }
3120                         }
3121
3122                         if (mb[10] & BIT_0)
3123                                 fcport->supported_classes |= FC_COS_CLASS2;
3124                         if (mb[10] & BIT_1)
3125                                 fcport->supported_classes |= FC_COS_CLASS3;
3126
3127                         rval = QLA_SUCCESS;
3128                         break;
3129                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3130                         /*
3131                          * Loop ID already used, try next loop ID.
3132                          */
3133                         fcport->loop_id++;
3134                         rval = qla2x00_find_new_loop_id(vha, fcport);
3135                         if (rval != QLA_SUCCESS) {
3136                                 /* Ran out of loop IDs to use */
3137                                 break;
3138                         }
3139                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3140                         /*
3141                          * Firmware possibly timed out during login. If NO
3142                          * retries are left to do then the device is declared
3143                          * dead.
3144                          */
3145                         *next_loopid = fcport->loop_id;
3146                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3147                             fcport->d_id.b.domain, fcport->d_id.b.area,
3148                             fcport->d_id.b.al_pa);
3149                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3150
3151                         rval = 1;
3152                         break;
3153                 } else {
3154                         /*
3155                          * unrecoverable / not handled error
3156                          */
3157                         DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3158                             "loop_id=%x jiffies=%lx.\n",
3159                             __func__, vha->host_no, mb[0],
3160                             fcport->d_id.b.domain, fcport->d_id.b.area,
3161                             fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3162
3163                         *next_loopid = fcport->loop_id;
3164                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3165                             fcport->d_id.b.domain, fcport->d_id.b.area,
3166                             fcport->d_id.b.al_pa);
3167                         fcport->loop_id = FC_NO_LOOP_ID;
3168                         fcport->login_retry = 0;
3169
3170                         rval = 3;
3171                         break;
3172                 }
3173         }
3174
3175         return (rval);
3176 }
3177
3178 /*
3179  * qla2x00_local_device_login
3180  *      Issue local device login command.
3181  *
3182  * Input:
3183  *      ha = adapter block pointer.
3184  *      loop_id = loop id of device to login to.
3185  *
3186  * Returns (Where's the #define!!!!):
3187  *      0 - Login successfully
3188  *      1 - Login failed
3189  *      3 - Fatal error
3190  */
3191 int
3192 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
3193 {
3194         int             rval;
3195         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3196
3197         memset(mb, 0, sizeof(mb));
3198         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
3199         if (rval == QLA_SUCCESS) {
3200                 /* Interrogate mailbox registers for any errors */
3201                 if (mb[0] == MBS_COMMAND_ERROR)
3202                         rval = 1;
3203                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3204                         /* device not in PCB table */
3205                         rval = 3;
3206         }
3207
3208         return (rval);
3209 }
3210
3211 /*
3212  *  qla2x00_loop_resync
3213  *      Resync with fibre channel devices.
3214  *
3215  * Input:
3216  *      ha = adapter block pointer.
3217  *
3218  * Returns:
3219  *      0 = success
3220  */
3221 int
3222 qla2x00_loop_resync(scsi_qla_host_t *vha)
3223 {
3224         int rval = QLA_SUCCESS;
3225         uint32_t wait_time;
3226         struct qla_hw_data *ha = vha->hw;
3227         struct req_que *req = ha->req_q_map[vha->req_ques[0]];
3228         struct rsp_que *rsp = req->rsp;
3229
3230         atomic_set(&vha->loop_state, LOOP_UPDATE);
3231         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3232         if (vha->flags.online) {
3233                 if (!(rval = qla2x00_fw_ready(vha))) {
3234                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3235                         wait_time = 256;
3236                         do {
3237                                 atomic_set(&vha->loop_state, LOOP_UPDATE);
3238
3239                                 /* Issue a marker after FW becomes ready. */
3240                                 qla2x00_marker(vha, req, rsp, 0, 0,
3241                                         MK_SYNC_ALL);
3242                                 vha->marker_needed = 0;
3243
3244                                 /* Remap devices on Loop. */
3245                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3246
3247                                 qla2x00_configure_loop(vha);
3248                                 wait_time--;
3249                         } while (!atomic_read(&vha->loop_down_timer) &&
3250                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3251                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3252                                 &vha->dpc_flags)));
3253                 }
3254         }
3255
3256         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3257                 return (QLA_FUNCTION_FAILED);
3258
3259         if (rval)
3260                 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3261
3262         return (rval);
3263 }
3264
3265 void
3266 qla2x00_update_fcports(scsi_qla_host_t *vha)
3267 {
3268         fc_port_t *fcport;
3269
3270         /* Go with deferred removal of rport references. */
3271         list_for_each_entry(fcport, &vha->vp_fcports, list)
3272                 if (fcport && fcport->drport &&
3273                     atomic_read(&fcport->state) != FCS_UNCONFIGURED)
3274                         qla2x00_rport_del(fcport);
3275 }
3276
3277 /*
3278 *  qla2x00_abort_isp
3279 *      Resets ISP and aborts all outstanding commands.
3280 *
3281 * Input:
3282 *      ha           = adapter block pointer.
3283 *
3284 * Returns:
3285 *      0 = success
3286 */
3287 int
3288 qla2x00_abort_isp(scsi_qla_host_t *vha)
3289 {
3290         int rval;
3291         uint8_t        status = 0;
3292         struct qla_hw_data *ha = vha->hw;
3293         struct scsi_qla_host *vp;
3294         struct req_que *req = ha->req_q_map[0];
3295
3296         if (vha->flags.online) {
3297                 vha->flags.online = 0;
3298                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3299                 ha->qla_stats.total_isp_aborts++;
3300
3301                 qla_printk(KERN_INFO, ha,
3302                     "Performing ISP error recovery - ha= %p.\n", ha);
3303                 ha->isp_ops->reset_chip(vha);
3304
3305                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3306                 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3307                         atomic_set(&vha->loop_state, LOOP_DOWN);
3308                         qla2x00_mark_all_devices_lost(vha, 0);
3309                         list_for_each_entry(vp, &ha->vp_list, list)
3310                                qla2x00_mark_all_devices_lost(vp, 0);
3311                 } else {
3312                         if (!atomic_read(&vha->loop_down_timer))
3313                                 atomic_set(&vha->loop_down_timer,
3314                                     LOOP_DOWN_TIME);
3315                 }
3316
3317                 /* Requeue all commands in outstanding command list. */
3318                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3319
3320                 ha->isp_ops->get_flash_version(vha, req->ring);
3321
3322                 ha->isp_ops->nvram_config(vha);
3323
3324                 if (!qla2x00_restart_isp(vha)) {
3325                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3326
3327                         if (!atomic_read(&vha->loop_down_timer)) {
3328                                 /*
3329                                  * Issue marker command only when we are going
3330                                  * to start the I/O .
3331                                  */
3332                                 vha->marker_needed = 1;
3333                         }
3334
3335                         vha->flags.online = 1;
3336
3337                         ha->isp_ops->enable_intrs(ha);
3338
3339                         ha->isp_abort_cnt = 0;
3340                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3341
3342                         if (ha->fce) {
3343                                 ha->flags.fce_enabled = 1;
3344                                 memset(ha->fce, 0,
3345                                     fce_calc_size(ha->fce_bufs));
3346                                 rval = qla2x00_enable_fce_trace(vha,
3347                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3348                                     &ha->fce_bufs);
3349                                 if (rval) {
3350                                         qla_printk(KERN_WARNING, ha,
3351                                             "Unable to reinitialize FCE "
3352                                             "(%d).\n", rval);
3353                                         ha->flags.fce_enabled = 0;
3354                                 }
3355                         }
3356
3357                         if (ha->eft) {
3358                                 memset(ha->eft, 0, EFT_SIZE);
3359                                 rval = qla2x00_enable_eft_trace(vha,
3360                                     ha->eft_dma, EFT_NUM_BUFFERS);
3361                                 if (rval) {
3362                                         qla_printk(KERN_WARNING, ha,
3363                                             "Unable to reinitialize EFT "
3364                                             "(%d).\n", rval);
3365                                 }
3366                         }
3367                 } else {        /* failed the ISP abort */
3368                         vha->flags.online = 1;
3369                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3370                                 if (ha->isp_abort_cnt == 0) {
3371                                         qla_printk(KERN_WARNING, ha,
3372                                             "ISP error recovery failed - "
3373                                             "board disabled\n");
3374                                         /*
3375                                          * The next call disables the board
3376                                          * completely.
3377                                          */
3378                                         ha->isp_ops->reset_adapter(vha);
3379                                         vha->flags.online = 0;
3380                                         clear_bit(ISP_ABORT_RETRY,
3381                                             &vha->dpc_flags);
3382                                         status = 0;
3383                                 } else { /* schedule another ISP abort */
3384                                         ha->isp_abort_cnt--;
3385                                         DEBUG(printk("qla%ld: ISP abort - "
3386                                             "retry remaining %d\n",
3387                                             vha->host_no, ha->isp_abort_cnt));
3388                                         status = 1;
3389                                 }
3390                         } else {
3391                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3392                                 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3393                                     "- retrying (%d) more times\n",
3394                                     vha->host_no, ha->isp_abort_cnt));
3395                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3396                                 status = 1;
3397                         }
3398                 }
3399
3400         }
3401
3402         if (!status) {
3403                 DEBUG(printk(KERN_INFO
3404                                 "qla2x00_abort_isp(%ld): succeeded.\n",
3405                                 vha->host_no));
3406                 list_for_each_entry(vp, &ha->vp_list, list) {
3407                         if (vp->vp_idx)
3408                                 qla2x00_vp_abort_isp(vp);
3409                 }
3410         } else {
3411                 qla_printk(KERN_INFO, ha,
3412                         "qla2x00_abort_isp: **** FAILED ****\n");
3413         }
3414
3415         return(status);
3416 }
3417
3418 /*
3419 *  qla2x00_restart_isp
3420 *      restarts the ISP after a reset
3421 *
3422 * Input:
3423 *      ha = adapter block pointer.
3424 *
3425 * Returns:
3426 *      0 = success
3427 */
3428 static int
3429 qla2x00_restart_isp(scsi_qla_host_t *vha)
3430 {
3431         uint8_t         status = 0;
3432         uint32_t wait_time;
3433         struct qla_hw_data *ha = vha->hw;
3434         struct req_que *req = ha->req_q_map[0];
3435         struct rsp_que *rsp = ha->rsp_q_map[0];
3436
3437         /* If firmware needs to be loaded */
3438         if (qla2x00_isp_firmware(vha)) {
3439                 vha->flags.online = 0;
3440                 status = ha->isp_ops->chip_diag(vha);
3441                 if (!status)
3442                         status = qla2x00_setup_chip(vha);
3443         }
3444
3445         if (!status && !(status = qla2x00_init_rings(vha))) {
3446                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3447                 /* Initialize the queues in use */
3448                 qla25xx_init_queues(ha);
3449
3450                 status = qla2x00_fw_ready(vha);
3451                 if (!status) {
3452                         DEBUG(printk("%s(): Start configure loop, "
3453                             "status = %d\n", __func__, status));
3454
3455                         /* Issue a marker after FW becomes ready. */
3456                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
3457
3458                         vha->flags.online = 1;
3459                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
3460                         wait_time = 256;
3461                         do {
3462                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3463                                 qla2x00_configure_loop(vha);
3464                                 wait_time--;
3465                         } while (!atomic_read(&vha->loop_down_timer) &&
3466                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3467                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3468                                 &vha->dpc_flags)));
3469                 }
3470
3471                 /* if no cable then assume it's good */
3472                 if ((vha->device_flags & DFLG_NO_CABLE))
3473                         status = 0;
3474
3475                 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3476                                 __func__,
3477                                 status));
3478         }
3479         return (status);
3480 }
3481
3482 static int
3483 qla25xx_init_queues(struct qla_hw_data *ha)
3484 {
3485         struct rsp_que *rsp = NULL;
3486         struct req_que *req = NULL;
3487         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3488         int ret = -1;
3489         int i;
3490
3491         for (i = 1; i < ha->max_queues; i++) {
3492                 rsp = ha->rsp_q_map[i];
3493                 if (rsp) {
3494                         rsp->options &= ~BIT_0;
3495                         ret = qla25xx_init_rsp_que(base_vha, rsp);
3496                         if (ret != QLA_SUCCESS)
3497                                 DEBUG2_17(printk(KERN_WARNING
3498                                         "%s Rsp que:%d init failed\n", __func__,
3499                                                 rsp->id));
3500                         else
3501                                 DEBUG2_17(printk(KERN_INFO
3502                                         "%s Rsp que:%d inited\n", __func__,
3503                                                 rsp->id));
3504                 }
3505                 req = ha->req_q_map[i];
3506                 if (req) {
3507                 /* Clear outstanding commands array. */
3508                         req->options &= ~BIT_0;
3509                         ret = qla25xx_init_req_que(base_vha, req);
3510                         if (ret != QLA_SUCCESS)
3511                                 DEBUG2_17(printk(KERN_WARNING
3512                                         "%s Req que:%d init failed\n", __func__,
3513                                                 req->id));
3514                         else
3515                                 DEBUG2_17(printk(KERN_WARNING
3516                                         "%s Req que:%d inited\n", __func__,
3517                                                 req->id));
3518                 }
3519         }
3520         return ret;
3521 }
3522
3523 /*
3524 * qla2x00_reset_adapter
3525 *      Reset adapter.
3526 *
3527 * Input:
3528 *      ha = adapter block pointer.
3529 */
3530 void
3531 qla2x00_reset_adapter(scsi_qla_host_t *vha)
3532 {
3533         unsigned long flags = 0;
3534         struct qla_hw_data *ha = vha->hw;
3535         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3536
3537         vha->flags.online = 0;
3538         ha->isp_ops->disable_intrs(ha);
3539
3540         spin_lock_irqsave(&ha->hardware_lock, flags);
3541         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3542         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3543         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3544         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
3545         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3546 }
3547
3548 void
3549 qla24xx_reset_adapter(scsi_qla_host_t *vha)
3550 {
3551         unsigned long flags = 0;
3552         struct qla_hw_data *ha = vha->hw;
3553         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3554
3555         vha->flags.online = 0;
3556         ha->isp_ops->disable_intrs(ha);
3557
3558         spin_lock_irqsave(&ha->hardware_lock, flags);
3559         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3560         RD_REG_DWORD(&reg->hccr);
3561         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3562         RD_REG_DWORD(&reg->hccr);
3563         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3564
3565         if (IS_NOPOLLING_TYPE(ha))
3566                 ha->isp_ops->enable_intrs(ha);
3567 }
3568
3569 /* On sparc systems, obtain port and node WWN from firmware
3570  * properties.
3571  */
3572 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3573         struct nvram_24xx *nv)
3574 {
3575 #ifdef CONFIG_SPARC
3576         struct qla_hw_data *ha = vha->hw;
3577         struct pci_dev *pdev = ha->pdev;
3578         struct device_node *dp = pci_device_to_OF_node(pdev);
3579         const u8 *val;
3580         int len;
3581
3582         val = of_get_property(dp, "port-wwn", &len);
3583         if (val && len >= WWN_SIZE)
3584                 memcpy(nv->port_name, val, WWN_SIZE);
3585
3586         val = of_get_property(dp, "node-wwn", &len);
3587         if (val && len >= WWN_SIZE)
3588                 memcpy(nv->node_name, val, WWN_SIZE);
3589 #endif
3590 }
3591
3592 int
3593 qla24xx_nvram_config(scsi_qla_host_t *vha)
3594 {
3595         int   rval;
3596         struct init_cb_24xx *icb;
3597         struct nvram_24xx *nv;
3598         uint32_t *dptr;
3599         uint8_t  *dptr1, *dptr2;
3600         uint32_t chksum;
3601         uint16_t cnt;
3602         struct qla_hw_data *ha = vha->hw;
3603
3604         rval = QLA_SUCCESS;
3605         icb = (struct init_cb_24xx *)ha->init_cb;
3606         nv = ha->nvram;
3607
3608         /* Determine NVRAM starting address. */
3609         ha->nvram_size = sizeof(struct nvram_24xx);
3610         ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3611         ha->vpd_size = FA_NVRAM_VPD_SIZE;
3612         ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3613         if (PCI_FUNC(ha->pdev->devfn)) {
3614                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3615                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3616         }
3617
3618         /* Get VPD data into cache */
3619         ha->vpd = ha->nvram + VPD_OFFSET;
3620         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
3621             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3622
3623         /* Get NVRAM data into cache and calculate checksum. */
3624         dptr = (uint32_t *)nv;
3625         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
3626             ha->nvram_size);
3627         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3628                 chksum += le32_to_cpu(*dptr++);
3629
3630         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3631         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
3632
3633         /* Bad NVRAM data, set defaults parameters. */
3634         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3635             || nv->id[3] != ' ' ||
3636             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3637                 /* Reset NVRAM data. */
3638                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3639                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3640                     le16_to_cpu(nv->nvram_version));
3641                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3642                     "invalid -- WWPN) defaults.\n");
3643
3644                 /*
3645                  * Set default initialization control block.
3646                  */
3647                 memset(nv, 0, ha->nvram_size);
3648                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3649                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3650                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3651                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3652                 nv->exchange_count = __constant_cpu_to_le16(0);
3653                 nv->hard_address = __constant_cpu_to_le16(124);
3654                 nv->port_name[0] = 0x21;
3655                 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3656                 nv->port_name[2] = 0x00;
3657                 nv->port_name[3] = 0xe0;
3658                 nv->port_name[4] = 0x8b;
3659                 nv->port_name[5] = 0x1c;
3660                 nv->port_name[6] = 0x55;
3661                 nv->port_name[7] = 0x86;
3662                 nv->node_name[0] = 0x20;
3663                 nv->node_name[1] = 0x00;
3664                 nv->node_name[2] = 0x00;
3665                 nv->node_name[3] = 0xe0;
3666                 nv->node_name[4] = 0x8b;
3667                 nv->node_name[5] = 0x1c;
3668                 nv->node_name[6] = 0x55;
3669                 nv->node_name[7] = 0x86;
3670                 qla24xx_nvram_wwn_from_ofw(vha, nv);
3671                 nv->login_retry_count = __constant_cpu_to_le16(8);
3672                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3673                 nv->login_timeout = __constant_cpu_to_le16(0);
3674                 nv->firmware_options_1 =
3675                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3676                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3677                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3678                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3679                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3680                 nv->efi_parameters = __constant_cpu_to_le32(0);
3681                 nv->reset_delay = 5;
3682                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3683                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3684                 nv->link_down_timeout = __constant_cpu_to_le16(30);
3685
3686                 rval = 1;
3687         }
3688
3689         /* Reset Initialization control block */
3690         memset(icb, 0, ha->init_cb_size);
3691
3692         /* Copy 1st segment. */
3693         dptr1 = (uint8_t *)icb;
3694         dptr2 = (uint8_t *)&nv->version;
3695         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3696         while (cnt--)
3697                 *dptr1++ = *dptr2++;
3698
3699         icb->login_retry_count = nv->login_retry_count;
3700         icb->link_down_on_nos = nv->link_down_on_nos;
3701
3702         /* Copy 2nd segment. */
3703         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3704         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3705         cnt = (uint8_t *)&icb->reserved_3 -
3706             (uint8_t *)&icb->interrupt_delay_timer;
3707         while (cnt--)
3708                 *dptr1++ = *dptr2++;
3709
3710         /*
3711          * Setup driver NVRAM options.
3712          */
3713         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
3714             "QLA2462");
3715
3716         /* Use alternate WWN? */
3717         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3718                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3719                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3720         }
3721
3722         /* Prepare nodename */
3723         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3724                 /*
3725                  * Firmware will apply the following mask if the nodename was
3726                  * not provided.
3727                  */
3728                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3729                 icb->node_name[0] &= 0xF0;
3730         }
3731
3732         /* Set host adapter parameters. */
3733         ha->flags.disable_risc_code_load = 0;
3734         ha->flags.enable_lip_reset = 0;
3735         ha->flags.enable_lip_full_login =
3736             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3737         ha->flags.enable_target_reset =
3738             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3739         ha->flags.enable_led_scheme = 0;
3740         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3741
3742         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3743             (BIT_6 | BIT_5 | BIT_4)) >> 4;
3744
3745         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3746             sizeof(ha->fw_seriallink_options24));
3747
3748         /* save HBA serial number */
3749         ha->serial0 = icb->port_name[5];
3750         ha->serial1 = icb->port_name[6];
3751         ha->serial2 = icb->port_name[7];
3752         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3753         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
3754
3755         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3756
3757         ha->retry_count = le16_to_cpu(nv->login_retry_count);
3758
3759         /* Set minimum login_timeout to 4 seconds. */
3760         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3761                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3762         if (le16_to_cpu(nv->login_timeout) < 4)
3763                 nv->login_timeout = __constant_cpu_to_le16(4);
3764         ha->login_timeout = le16_to_cpu(nv->login_timeout);
3765         icb->login_timeout = nv->login_timeout;
3766
3767         /* Set minimum RATOV to 100 tenths of a second. */
3768         ha->r_a_tov = 100;
3769
3770         ha->loop_reset_delay = nv->reset_delay;
3771
3772         /* Link Down Timeout = 0:
3773          *
3774          *      When Port Down timer expires we will start returning
3775          *      I/O's to OS with "DID_NO_CONNECT".
3776          *
3777          * Link Down Timeout != 0:
3778          *
3779          *       The driver waits for the link to come up after link down
3780          *       before returning I/Os to OS with "DID_NO_CONNECT".
3781          */
3782         if (le16_to_cpu(nv->link_down_timeout) == 0) {
3783                 ha->loop_down_abort_time =
3784                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3785         } else {
3786                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3787                 ha->loop_down_abort_time =
3788                     (LOOP_DOWN_TIME - ha->link_down_timeout);
3789         }
3790
3791         /* Need enough time to try and get the port back. */
3792         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3793         if (qlport_down_retry)
3794                 ha->port_down_retry_count = qlport_down_retry;
3795
3796         /* Set login_retry_count */
3797         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
3798         if (ha->port_down_retry_count ==
3799             le16_to_cpu(nv->port_down_retry_count) &&
3800             ha->port_down_retry_count > 3)
3801                 ha->login_retry_count = ha->port_down_retry_count;
3802         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3803                 ha->login_retry_count = ha->port_down_retry_count;
3804         if (ql2xloginretrycount)
3805                 ha->login_retry_count = ql2xloginretrycount;
3806
3807         /* Enable ZIO. */
3808         if (!vha->flags.init_done) {
3809                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3810                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3811                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3812                     le16_to_cpu(icb->interrupt_delay_timer): 2;
3813         }
3814         icb->firmware_options_2 &= __constant_cpu_to_le32(
3815             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3816         vha->flags.process_response_queue = 0;
3817         if (ha->zio_mode != QLA_ZIO_DISABLED) {
3818                 ha->zio_mode = QLA_ZIO_MODE_6;
3819
3820                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3821                     "(%d us).\n", vha->host_no, ha->zio_mode,
3822                     ha->zio_timer * 100));
3823                 qla_printk(KERN_INFO, ha,
3824                     "ZIO mode %d enabled; timer delay (%d us).\n",
3825                     ha->zio_mode, ha->zio_timer * 100);
3826
3827                 icb->firmware_options_2 |= cpu_to_le32(
3828                     (uint32_t)ha->zio_mode);
3829                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3830                 vha->flags.process_response_queue = 1;
3831         }
3832
3833         if (rval) {
3834                 DEBUG2_3(printk(KERN_WARNING
3835                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
3836         }
3837         return (rval);
3838 }
3839
3840 static int
3841 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3842 {
3843         int     rval = QLA_SUCCESS;
3844         int     segments, fragment;
3845         uint32_t faddr;
3846         uint32_t *dcode, dlen;
3847         uint32_t risc_addr;
3848         uint32_t risc_size;
3849         uint32_t i;
3850         struct qla_hw_data *ha = vha->hw;
3851         struct req_que *req = ha->req_q_map[0];
3852
3853         qla_printk(KERN_INFO, ha,
3854             "FW: Loading from flash (%x)...\n", ha->flt_region_fw);
3855
3856         rval = QLA_SUCCESS;
3857
3858         segments = FA_RISC_CODE_SEGMENTS;
3859         faddr = ha->flt_region_fw;
3860         dcode = (uint32_t *)req->ring;
3861         *srisc_addr = 0;
3862
3863         /* Validate firmware image by checking version. */
3864         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
3865         for (i = 0; i < 4; i++)
3866                 dcode[i] = be32_to_cpu(dcode[i]);
3867         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3868             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3869             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3870                 dcode[3] == 0)) {
3871                 qla_printk(KERN_WARNING, ha,
3872                     "Unable to verify integrity of flash firmware image!\n");
3873                 qla_printk(KERN_WARNING, ha,
3874                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3875                     dcode[1], dcode[2], dcode[3]);
3876
3877                 return QLA_FUNCTION_FAILED;
3878         }
3879
3880         while (segments && rval == QLA_SUCCESS) {
3881                 /* Read segment's load information. */
3882                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
3883
3884                 risc_addr = be32_to_cpu(dcode[2]);
3885                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3886                 risc_size = be32_to_cpu(dcode[3]);
3887
3888                 fragment = 0;
3889                 while (risc_size > 0 && rval == QLA_SUCCESS) {
3890                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3891                         if (dlen > risc_size)
3892                                 dlen = risc_size;
3893
3894                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3895                             "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3896                             vha->host_no, risc_addr, dlen, faddr));
3897
3898                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
3899                         for (i = 0; i < dlen; i++)
3900                                 dcode[i] = swab32(dcode[i]);
3901
3902                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
3903                             dlen);
3904                         if (rval) {
3905                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3906                                     "segment %d of firmware\n", vha->host_no,
3907                                     fragment));
3908                                 qla_printk(KERN_WARNING, ha,
3909                                     "[ERROR] Failed to load segment %d of "
3910                                     "firmware\n", fragment);
3911                                 break;
3912                         }
3913
3914                         faddr += dlen;
3915                         risc_addr += dlen;
3916                         risc_size -= dlen;
3917                         fragment++;
3918                 }
3919
3920                 /* Next segment. */
3921                 segments--;
3922         }
3923
3924         return rval;
3925 }
3926
3927 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3928
3929 int
3930 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3931 {
3932         int     rval;
3933         int     i, fragment;
3934         uint16_t *wcode, *fwcode;
3935         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3936         struct fw_blob *blob;
3937         struct qla_hw_data *ha = vha->hw;
3938         struct req_que *req = ha->req_q_map[0];
3939
3940         /* Load firmware blob. */
3941         blob = qla2x00_request_firmware(vha);
3942         if (!blob) {
3943                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3944                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3945                     "from: " QLA_FW_URL ".\n");
3946                 return QLA_FUNCTION_FAILED;
3947         }
3948
3949         rval = QLA_SUCCESS;
3950
3951         wcode = (uint16_t *)req->ring;
3952         *srisc_addr = 0;
3953         fwcode = (uint16_t *)blob->fw->data;
3954         fwclen = 0;
3955
3956         /* Validate firmware image by checking version. */
3957         if (blob->fw->size < 8 * sizeof(uint16_t)) {
3958                 qla_printk(KERN_WARNING, ha,
3959                     "Unable to verify integrity of firmware image (%Zd)!\n",
3960                     blob->fw->size);
3961                 goto fail_fw_integrity;
3962         }
3963         for (i = 0; i < 4; i++)
3964                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3965         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3966             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3967                 wcode[2] == 0 && wcode[3] == 0)) {
3968                 qla_printk(KERN_WARNING, ha,
3969                     "Unable to verify integrity of firmware image!\n");
3970                 qla_printk(KERN_WARNING, ha,
3971                     "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3972                     wcode[1], wcode[2], wcode[3]);
3973                 goto fail_fw_integrity;
3974         }
3975
3976         seg = blob->segs;
3977         while (*seg && rval == QLA_SUCCESS) {
3978                 risc_addr = *seg;
3979                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3980                 risc_size = be16_to_cpu(fwcode[3]);
3981
3982                 /* Validate firmware image size. */
3983                 fwclen += risc_size * sizeof(uint16_t);
3984                 if (blob->fw->size < fwclen) {
3985                         qla_printk(KERN_WARNING, ha,
3986                             "Unable to verify integrity of firmware image "
3987                             "(%Zd)!\n", blob->fw->size);
3988                         goto fail_fw_integrity;
3989                 }
3990
3991                 fragment = 0;
3992                 while (risc_size > 0 && rval == QLA_SUCCESS) {
3993                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3994                         if (wlen > risc_size)
3995                                 wlen = risc_size;
3996
3997                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3998                             "addr %x, number of words 0x%x.\n", vha->host_no,
3999                             risc_addr, wlen));
4000
4001                         for (i = 0; i < wlen; i++)
4002                                 wcode[i] = swab16(fwcode[i]);
4003
4004                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4005                             wlen);
4006                         if (rval) {
4007                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4008                                     "segment %d of firmware\n", vha->host_no,
4009                                     fragment));
4010                                 qla_printk(KERN_WARNING, ha,
4011                                     "[ERROR] Failed to load segment %d of "
4012                                     "firmware\n", fragment);
4013                                 break;
4014                         }
4015
4016                         fwcode += wlen;
4017                         risc_addr += wlen;
4018                         risc_size -= wlen;
4019                         fragment++;
4020                 }
4021
4022                 /* Next segment. */
4023                 seg++;
4024         }
4025         return rval;
4026
4027 fail_fw_integrity:
4028         return QLA_FUNCTION_FAILED;
4029 }
4030
4031 static int
4032 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4033 {
4034         int     rval;
4035         int     segments, fragment;
4036         uint32_t *dcode, dlen;
4037         uint32_t risc_addr;
4038         uint32_t risc_size;
4039         uint32_t i;
4040         struct fw_blob *blob;
4041         uint32_t *fwcode, fwclen;
4042         struct qla_hw_data *ha = vha->hw;
4043         struct req_que *req = ha->req_q_map[0];
4044
4045         /* Load firmware blob. */
4046         blob = qla2x00_request_firmware(vha);
4047         if (!blob) {
4048                 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
4049                 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4050                     "from: " QLA_FW_URL ".\n");
4051
4052                 return QLA_FUNCTION_FAILED;
4053         }
4054
4055         qla_printk(KERN_INFO, ha,
4056             "FW: Loading via request-firmware...\n");
4057
4058         rval = QLA_SUCCESS;
4059
4060         segments = FA_RISC_CODE_SEGMENTS;
4061         dcode = (uint32_t *)req->ring;
4062         *srisc_addr = 0;
4063         fwcode = (uint32_t *)blob->fw->data;
4064         fwclen = 0;
4065
4066         /* Validate firmware image by checking version. */
4067         if (blob->fw->size < 8 * sizeof(uint32_t)) {
4068                 qla_printk(KERN_WARNING, ha,
4069                     "Unable to verify integrity of firmware image (%Zd)!\n",
4070                     blob->fw->size);
4071                 goto fail_fw_integrity;
4072         }
4073         for (i = 0; i < 4; i++)
4074                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4075         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4076             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4077             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4078                 dcode[3] == 0)) {
4079                 qla_printk(KERN_WARNING, ha,
4080                     "Unable to verify integrity of firmware image!\n");
4081                 qla_printk(KERN_WARNING, ha,
4082                     "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4083                     dcode[1], dcode[2], dcode[3]);
4084                 goto fail_fw_integrity;
4085         }
4086
4087         while (segments && rval == QLA_SUCCESS) {
4088                 risc_addr = be32_to_cpu(fwcode[2]);
4089                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4090                 risc_size = be32_to_cpu(fwcode[3]);
4091
4092                 /* Validate firmware image size. */
4093                 fwclen += risc_size * sizeof(uint32_t);
4094                 if (blob->fw->size < fwclen) {
4095                         qla_printk(KERN_WARNING, ha,
4096                             "Unable to verify integrity of firmware image "
4097                             "(%Zd)!\n", blob->fw->size);
4098
4099                         goto fail_fw_integrity;
4100                 }
4101
4102                 fragment = 0;
4103                 while (risc_size > 0 && rval == QLA_SUCCESS) {
4104                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4105                         if (dlen > risc_size)
4106                                 dlen = risc_size;
4107
4108                         DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4109                             "addr %x, number of dwords 0x%x.\n", vha->host_no,
4110                             risc_addr, dlen));
4111
4112                         for (i = 0; i < dlen; i++)
4113                                 dcode[i] = swab32(fwcode[i]);
4114
4115                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
4116                             dlen);
4117                         if (rval) {
4118                                 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4119                                     "segment %d of firmware\n", vha->host_no,
4120                                     fragment));
4121                                 qla_printk(KERN_WARNING, ha,
4122                                     "[ERROR] Failed to load segment %d of "
4123                                     "firmware\n", fragment);
4124                                 break;
4125                         }
4126
4127                         fwcode += dlen;
4128                         risc_addr += dlen;
4129                         risc_size -= dlen;
4130                         fragment++;
4131                 }
4132
4133                 /* Next segment. */
4134                 segments--;
4135         }
4136         return rval;
4137
4138 fail_fw_integrity:
4139         return QLA_FUNCTION_FAILED;
4140 }
4141
4142 int
4143 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4144 {
4145         int rval;
4146
4147         /*
4148          * FW Load priority:
4149          * 1) Firmware via request-firmware interface (.bin file).
4150          * 2) Firmware residing in flash.
4151          */
4152         rval = qla24xx_load_risc_blob(vha, srisc_addr);
4153         if (rval == QLA_SUCCESS)
4154                 return rval;
4155
4156         return qla24xx_load_risc_flash(vha, srisc_addr);
4157 }
4158
4159 int
4160 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4161 {
4162         int rval;
4163
4164         /*
4165          * FW Load priority:
4166          * 1) Firmware residing in flash.
4167          * 2) Firmware via request-firmware interface (.bin file).
4168          */
4169         rval = qla24xx_load_risc_flash(vha, srisc_addr);
4170         if (rval == QLA_SUCCESS)
4171                 return rval;
4172
4173         return qla24xx_load_risc_blob(vha, srisc_addr);
4174 }
4175
4176 void
4177 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
4178 {
4179         int ret, retries;
4180         struct qla_hw_data *ha = vha->hw;
4181
4182         if (!IS_FWI2_CAPABLE(ha))
4183                 return;
4184         if (!ha->fw_major_version)
4185                 return;
4186
4187         ret = qla2x00_stop_firmware(vha);
4188         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4189             retries ; retries--) {
4190                 ha->isp_ops->reset_chip(vha);
4191                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
4192                         continue;
4193                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
4194                         continue;
4195                 qla_printk(KERN_INFO, ha,
4196                     "Attempting retry of stop-firmware command...\n");
4197                 ret = qla2x00_stop_firmware(vha);
4198         }
4199 }
4200
4201 int
4202 qla24xx_configure_vhba(scsi_qla_host_t *vha)
4203 {
4204         int rval = QLA_SUCCESS;
4205         uint16_t mb[MAILBOX_REGISTER_COUNT];
4206         struct qla_hw_data *ha = vha->hw;
4207         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4208         struct req_que *req = ha->req_q_map[vha->req_ques[0]];
4209         struct rsp_que *rsp = req->rsp;
4210
4211         if (!vha->vp_idx)
4212                 return -EINVAL;
4213
4214         rval = qla2x00_fw_ready(base_vha);
4215         if (rval == QLA_SUCCESS) {
4216                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4217                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4218         }
4219
4220         vha->flags.management_server_logged_in = 0;
4221
4222         /* Login to SNS first */
4223         ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
4224         if (mb[0] != MBS_COMMAND_COMPLETE) {
4225                 DEBUG15(qla_printk(KERN_INFO, ha,
4226                     "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4227                     "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4228                     mb[0], mb[1], mb[2], mb[6], mb[7]));
4229                 return (QLA_FUNCTION_FAILED);
4230         }
4231
4232         atomic_set(&vha->loop_down_timer, 0);
4233         atomic_set(&vha->loop_state, LOOP_UP);
4234         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4235         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4236         rval = qla2x00_loop_resync(base_vha);
4237
4238         return rval;
4239 }
4240
4241 /* 84XX Support **************************************************************/
4242
4243 static LIST_HEAD(qla_cs84xx_list);
4244 static DEFINE_MUTEX(qla_cs84xx_mutex);
4245
4246 static struct qla_chip_state_84xx *
4247 qla84xx_get_chip(struct scsi_qla_host *vha)
4248 {
4249         struct qla_chip_state_84xx *cs84xx;
4250         struct qla_hw_data *ha = vha->hw;
4251
4252         mutex_lock(&qla_cs84xx_mutex);
4253
4254         /* Find any shared 84xx chip. */
4255         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4256                 if (cs84xx->bus == ha->pdev->bus) {
4257                         kref_get(&cs84xx->kref);
4258                         goto done;
4259                 }
4260         }
4261
4262         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4263         if (!cs84xx)
4264                 goto done;
4265
4266         kref_init(&cs84xx->kref);
4267         spin_lock_init(&cs84xx->access_lock);
4268         mutex_init(&cs84xx->fw_update_mutex);
4269         cs84xx->bus = ha->pdev->bus;
4270
4271         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4272 done:
4273         mutex_unlock(&qla_cs84xx_mutex);
4274         return cs84xx;
4275 }
4276
4277 static void
4278 __qla84xx_chip_release(struct kref *kref)
4279 {
4280         struct qla_chip_state_84xx *cs84xx =
4281             container_of(kref, struct qla_chip_state_84xx, kref);
4282
4283         mutex_lock(&qla_cs84xx_mutex);
4284         list_del(&cs84xx->list);
4285         mutex_unlock(&qla_cs84xx_mutex);
4286         kfree(cs84xx);
4287 }
4288
4289 void
4290 qla84xx_put_chip(struct scsi_qla_host *vha)
4291 {
4292         struct qla_hw_data *ha = vha->hw;
4293         if (ha->cs84xx)
4294                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4295 }
4296
4297 static int
4298 qla84xx_init_chip(scsi_qla_host_t *vha)
4299 {
4300         int rval;
4301         uint16_t status[2];
4302         struct qla_hw_data *ha = vha->hw;
4303
4304         mutex_lock(&ha->cs84xx->fw_update_mutex);
4305
4306         rval = qla84xx_verify_chip(vha, status);
4307
4308         mutex_unlock(&ha->cs84xx->fw_update_mutex);
4309
4310         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4311             QLA_SUCCESS;
4312 }
4313
4314 /* 81XX Support **************************************************************/
4315
4316 int
4317 qla81xx_nvram_config(scsi_qla_host_t *vha)
4318 {
4319         int   rval;
4320         struct init_cb_81xx *icb;
4321         struct nvram_81xx *nv;
4322         uint32_t *dptr;
4323         uint8_t  *dptr1, *dptr2;
4324         uint32_t chksum;
4325         uint16_t cnt;
4326         struct qla_hw_data *ha = vha->hw;
4327
4328         rval = QLA_SUCCESS;
4329         icb = (struct init_cb_81xx *)ha->init_cb;
4330         nv = ha->nvram;
4331
4332         /* Determine NVRAM starting address. */
4333         ha->nvram_size = sizeof(struct nvram_81xx);
4334         ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4335         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4336         ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4337         if (PCI_FUNC(ha->pdev->devfn) & 1) {
4338                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4339                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4340         }
4341
4342         /* Get VPD data into cache */
4343         ha->vpd = ha->nvram + VPD_OFFSET;
4344         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4345             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4346
4347         /* Get NVRAM data into cache and calculate checksum. */
4348         dptr = (uint32_t *)nv;
4349         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4350             ha->nvram_size);
4351         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4352                 chksum += le32_to_cpu(*dptr++);
4353
4354         DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
4355         DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4356
4357         /* Bad NVRAM data, set defaults parameters. */
4358         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4359             || nv->id[3] != ' ' ||
4360             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4361                 /* Reset NVRAM data. */
4362                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4363                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4364                     le16_to_cpu(nv->nvram_version));
4365                 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4366                     "invalid -- WWPN) defaults.\n");
4367
4368                 /*
4369                  * Set default initialization control block.
4370                  */
4371                 memset(nv, 0, ha->nvram_size);
4372                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4373                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4374                 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4375                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4376                 nv->exchange_count = __constant_cpu_to_le16(0);
4377                 nv->port_name[0] = 0x21;
4378                 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
4379                 nv->port_name[2] = 0x00;
4380                 nv->port_name[3] = 0xe0;
4381                 nv->port_name[4] = 0x8b;
4382                 nv->port_name[5] = 0x1c;
4383                 nv->port_name[6] = 0x55;
4384                 nv->port_name[7] = 0x86;
4385                 nv->node_name[0] = 0x20;
4386                 nv->node_name[1] = 0x00;
4387                 nv->node_name[2] = 0x00;
4388                 nv->node_name[3] = 0xe0;
4389                 nv->node_name[4] = 0x8b;
4390                 nv->node_name[5] = 0x1c;
4391                 nv->node_name[6] = 0x55;
4392                 nv->node_name[7] = 0x86;
4393                 nv->login_retry_count = __constant_cpu_to_le16(8);
4394                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4395                 nv->login_timeout = __constant_cpu_to_le16(0);
4396                 nv->firmware_options_1 =
4397                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4398                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4399                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4400                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4401                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4402                 nv->efi_parameters = __constant_cpu_to_le32(0);
4403                 nv->reset_delay = 5;
4404                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4405                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4406                 nv->link_down_timeout = __constant_cpu_to_le16(30);
4407                 nv->enode_mac[0] = 0x01;
4408                 nv->enode_mac[1] = 0x02;
4409                 nv->enode_mac[2] = 0x03;
4410                 nv->enode_mac[3] = 0x04;
4411                 nv->enode_mac[4] = 0x05;
4412                 nv->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4413
4414                 rval = 1;
4415         }
4416
4417         /* Reset Initialization control block */
4418         memset(icb, 0, sizeof(struct init_cb_81xx));
4419
4420         /* Copy 1st segment. */
4421         dptr1 = (uint8_t *)icb;
4422         dptr2 = (uint8_t *)&nv->version;
4423         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4424         while (cnt--)
4425                 *dptr1++ = *dptr2++;
4426
4427         icb->login_retry_count = nv->login_retry_count;
4428
4429         /* Copy 2nd segment. */
4430         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4431         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4432         cnt = (uint8_t *)&icb->reserved_5 -
4433             (uint8_t *)&icb->interrupt_delay_timer;
4434         while (cnt--)
4435                 *dptr1++ = *dptr2++;
4436
4437         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4438         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4439         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4440                 icb->enode_mac[0] = 0x01;
4441                 icb->enode_mac[1] = 0x02;
4442                 icb->enode_mac[2] = 0x03;
4443                 icb->enode_mac[3] = 0x04;
4444                 icb->enode_mac[4] = 0x05;
4445                 icb->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4446         }
4447
4448         /*
4449          * Setup driver NVRAM options.
4450          */
4451         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4452             "QLE81XX");
4453
4454         /* Use alternate WWN? */
4455         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4456                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4457                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4458         }
4459
4460         /* Prepare nodename */
4461         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4462                 /*
4463                  * Firmware will apply the following mask if the nodename was
4464                  * not provided.
4465                  */
4466                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4467                 icb->node_name[0] &= 0xF0;
4468         }
4469
4470         /* Set host adapter parameters. */
4471         ha->flags.disable_risc_code_load = 0;
4472         ha->flags.enable_lip_reset = 0;
4473         ha->flags.enable_lip_full_login =
4474             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4475         ha->flags.enable_target_reset =
4476             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4477         ha->flags.enable_led_scheme = 0;
4478         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4479
4480         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4481             (BIT_6 | BIT_5 | BIT_4)) >> 4;
4482
4483         /* save HBA serial number */
4484         ha->serial0 = icb->port_name[5];
4485         ha->serial1 = icb->port_name[6];
4486         ha->serial2 = icb->port_name[7];
4487         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4488         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4489
4490         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4491
4492         ha->retry_count = le16_to_cpu(nv->login_retry_count);
4493
4494         /* Set minimum login_timeout to 4 seconds. */
4495         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4496                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4497         if (le16_to_cpu(nv->login_timeout) < 4)
4498                 nv->login_timeout = __constant_cpu_to_le16(4);
4499         ha->login_timeout = le16_to_cpu(nv->login_timeout);
4500         icb->login_timeout = nv->login_timeout;
4501
4502         /* Set minimum RATOV to 100 tenths of a second. */
4503         ha->r_a_tov = 100;
4504
4505         ha->loop_reset_delay = nv->reset_delay;
4506
4507         /* Link Down Timeout = 0:
4508          *
4509          *      When Port Down timer expires we will start returning
4510          *      I/O's to OS with "DID_NO_CONNECT".
4511          *
4512          * Link Down Timeout != 0:
4513          *
4514          *       The driver waits for the link to come up after link down
4515          *       before returning I/Os to OS with "DID_NO_CONNECT".
4516          */
4517         if (le16_to_cpu(nv->link_down_timeout) == 0) {
4518                 ha->loop_down_abort_time =
4519                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4520         } else {
4521                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4522                 ha->loop_down_abort_time =
4523                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4524         }
4525
4526         /* Need enough time to try and get the port back. */
4527         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4528         if (qlport_down_retry)
4529                 ha->port_down_retry_count = qlport_down_retry;
4530
4531         /* Set login_retry_count */
4532         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
4533         if (ha->port_down_retry_count ==
4534             le16_to_cpu(nv->port_down_retry_count) &&
4535             ha->port_down_retry_count > 3)
4536                 ha->login_retry_count = ha->port_down_retry_count;
4537         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4538                 ha->login_retry_count = ha->port_down_retry_count;
4539         if (ql2xloginretrycount)
4540                 ha->login_retry_count = ql2xloginretrycount;
4541
4542         /* Enable ZIO. */
4543         if (!vha->flags.init_done) {
4544                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4545                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4546                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4547                     le16_to_cpu(icb->interrupt_delay_timer): 2;
4548         }
4549         icb->firmware_options_2 &= __constant_cpu_to_le32(
4550             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4551         vha->flags.process_response_queue = 0;
4552         if (ha->zio_mode != QLA_ZIO_DISABLED) {
4553                 ha->zio_mode = QLA_ZIO_MODE_6;
4554
4555                 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4556                     "(%d us).\n", vha->host_no, ha->zio_mode,
4557                     ha->zio_timer * 100));
4558                 qla_printk(KERN_INFO, ha,
4559                     "ZIO mode %d enabled; timer delay (%d us).\n",
4560                     ha->zio_mode, ha->zio_timer * 100);
4561
4562                 icb->firmware_options_2 |= cpu_to_le32(
4563                     (uint32_t)ha->zio_mode);
4564                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4565                 vha->flags.process_response_queue = 1;
4566         }
4567
4568         if (rval) {
4569                 DEBUG2_3(printk(KERN_WARNING
4570                     "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4571         }
4572         return (rval);
4573 }
4574
4575 void
4576 qla81xx_update_fw_options(scsi_qla_host_t *ha)
4577 {
4578 }