git.oblomov.eu Git - linux-2.6/blob - drivers/scsi/qla2xxx/qla_init.c

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