drivers/scsi/qla1280.h

   1 /******************************************************************************
   2 *                  QLOGIC LINUX SOFTWARE
   3 *
   4 * QLogic ISP1280 (Ultra2) /12160 (Ultra3) SCSI driver
   5 * Copyright (C) 2000 Qlogic Corporation
   6 * (www.qlogic.com)
   7 *
   8 * This program is free software; you can redistribute it and/or modify it
   9 * under the terms of the GNU General Public License as published by the
  10 * Free Software Foundation; either version 2, or (at your option) any
  11 * later version.
  12 *
  13 * This program is distributed in the hope that it will be useful, but
  14 * WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 * General Public License for more details.
  17 *
  18 ******************************************************************************/
  19
  20 #ifndef _QLA1280_H
  21 #define _QLA1280_H
  22
  23 /*
  24  * Data bit definitions.
  25  */
  26 #define BIT_0   0x1
  27 #define BIT_1   0x2
  28 #define BIT_2   0x4
  29 #define BIT_3   0x8
  30 #define BIT_4   0x10
  31 #define BIT_5   0x20
  32 #define BIT_6   0x40
  33 #define BIT_7   0x80
  34 #define BIT_8   0x100
  35 #define BIT_9   0x200
  36 #define BIT_10  0x400
  37 #define BIT_11  0x800
  38 #define BIT_12  0x1000
  39 #define BIT_13  0x2000
  40 #define BIT_14  0x4000
  41 #define BIT_15  0x8000
  42 #define BIT_16  0x10000
  43 #define BIT_17  0x20000
  44 #define BIT_18  0x40000
  45 #define BIT_19  0x80000
  46 #define BIT_20  0x100000
  47 #define BIT_21  0x200000
  48 #define BIT_22  0x400000
  49 #define BIT_23  0x800000
  50 #define BIT_24  0x1000000
  51 #define BIT_25  0x2000000
  52 #define BIT_26  0x4000000
  53 #define BIT_27  0x8000000
  54 #define BIT_28  0x10000000
  55 #define BIT_29  0x20000000
  56 #define BIT_30  0x40000000
  57 #define BIT_31  0x80000000
  58
  59 #if MEMORY_MAPPED_IO
  60 #define RD_REG_WORD(addr)               readw_relaxed(addr)
  61 #define RD_REG_WORD_dmasync(addr)       readw(addr)
  62 #define WRT_REG_WORD(addr, data)        writew(data, addr)
  63 #else                           /* MEMORY_MAPPED_IO */
  64 #define RD_REG_WORD(addr)               inw((unsigned long)addr)
  65 #define RD_REG_WORD_dmasync(addr)       RD_REG_WORD(addr)
  66 #define WRT_REG_WORD(addr, data)        outw(data, (unsigned long)addr)
  67 #endif                          /* MEMORY_MAPPED_IO */
  68
  69 /*
  70  * Host adapter default definitions.
  71  */
  72 #define MAX_BUSES       2       /* 2 */
  73 #define MAX_B_BITS      1
  74
  75 #define MAX_TARGETS     16      /* 16 */
  76 #define MAX_T_BITS      4       /* 4 */
  77
  78 #define MAX_LUNS        8       /* 32 */
  79 #define MAX_L_BITS      3       /* 5 */
  80
  81 /*
  82  * Watchdog time quantum
  83  */
  84 #define QLA1280_WDG_TIME_QUANTUM        5       /* In seconds */
  85
  86 /* Command retry count (0-65535) */
  87 #define COMMAND_RETRY_COUNT             255
  88
  89 /* Maximum outstanding commands in ISP queues */
  90 #define MAX_OUTSTANDING_COMMANDS        512
  91 #define COMPLETED_HANDLE                ((unsigned char *) \
  92                                         (MAX_OUTSTANDING_COMMANDS + 2))
  93
  94 /* ISP request and response entry counts (37-65535) */
  95 #define REQUEST_ENTRY_CNT               255 /* Number of request entries. */
  96 #define RESPONSE_ENTRY_CNT              63  /* Number of response entries. */
  97
  98 /*
  99  * SCSI Request Block structure  (sp)  that is placed
 100  * on cmd->SCp location of every I/O
 101  */
 102 struct srb {
 103         struct list_head list;          /* (8/16) LU queue */
 104         struct scsi_cmnd *cmd;  /* (4/8) SCSI command block */
 105         /* NOTE: the sp->cmd will be NULL when this completion is
 106          * called, so you should know the scsi_cmnd when using this */
 107         struct completion *wait;
 108         dma_addr_t saved_dma_handle;    /* for unmap of single transfers */
 109         uint8_t flags;          /* (1) Status flags. */
 110         uint8_t dir;            /* direction of transfer */
 111 };
 112
 113 /*
 114  * SRB flag definitions
 115  */
 116 #define SRB_TIMEOUT             (1 << 0)        /* Command timed out */
 117 #define SRB_SENT                (1 << 1)        /* Command sent to ISP */
 118 #define SRB_ABORT_PENDING       (1 << 2)        /* Command abort sent to device */
 119 #define SRB_ABORTED             (1 << 3)        /* Command aborted command already */
 120
 121 /*
 122  *  ISP I/O Register Set structure definitions.
 123  */
 124 struct device_reg {
 125         uint16_t id_l;          /* ID low */
 126         uint16_t id_h;          /* ID high */
 127         uint16_t cfg_0;         /* Configuration 0 */
 128 #define ISP_CFG0_HWMSK   0x000f /* Hardware revision mask */
 129 #define ISP_CFG0_1020    BIT_0  /* ISP1020 */
 130 #define ISP_CFG0_1020A   BIT_1  /* ISP1020A */
 131 #define ISP_CFG0_1040    BIT_2  /* ISP1040 */
 132 #define ISP_CFG0_1040A   BIT_3  /* ISP1040A */
 133 #define ISP_CFG0_1040B   BIT_4  /* ISP1040B */
 134 #define ISP_CFG0_1040C   BIT_5  /* ISP1040C */
 135         uint16_t cfg_1;         /* Configuration 1 */
 136 #define ISP_CFG1_F128    BIT_6  /* 128-byte FIFO threshold */
 137 #define ISP_CFG1_F64     BIT_4|BIT_5 /* 128-byte FIFO threshold */
 138 #define ISP_CFG1_F32     BIT_5  /* 128-byte FIFO threshold */
 139 #define ISP_CFG1_F16     BIT_4  /* 128-byte FIFO threshold */
 140 #define ISP_CFG1_BENAB   BIT_2  /* Global Bus burst enable */
 141 #define ISP_CFG1_SXP     BIT_0  /* SXP register select */
 142         uint16_t ictrl;         /* Interface control */
 143 #define ISP_RESET        BIT_0  /* ISP soft reset */
 144 #define ISP_EN_INT       BIT_1  /* ISP enable interrupts. */
 145 #define ISP_EN_RISC      BIT_2  /* ISP enable RISC interrupts. */
 146 #define ISP_FLASH_ENABLE BIT_8  /* Flash BIOS Read/Write enable */
 147 #define ISP_FLASH_UPPER  BIT_9  /* Flash upper bank select */
 148         uint16_t istatus;       /* Interface status */
 149 #define PCI_64BIT_SLOT   BIT_14 /* PCI 64-bit slot indicator. */
 150 #define RISC_INT         BIT_2  /* RISC interrupt */
 151 #define PCI_INT          BIT_1  /* PCI interrupt */
 152         uint16_t semaphore;     /* Semaphore */
 153         uint16_t nvram;         /* NVRAM register. */
 154 #define NV_DESELECT     0
 155 #define NV_CLOCK        BIT_0
 156 #define NV_SELECT       BIT_1
 157 #define NV_DATA_OUT     BIT_2
 158 #define NV_DATA_IN      BIT_3
 159         uint16_t flash_data;    /* Flash BIOS data */
 160         uint16_t flash_address; /* Flash BIOS address */
 161
 162         uint16_t unused_1[0x06];
 163
 164         /* cdma_* and ddma_* are 1040 only */
 165         uint16_t cdma_cfg;
 166 #define CDMA_CONF_SENAB  BIT_3  /* SXP to DMA Data enable */
 167 #define CDMA_CONF_RIRQ   BIT_2  /* RISC interrupt enable */
 168 #define CDMA_CONF_BENAB  BIT_1  /* Bus burst enable */
 169 #define CDMA_CONF_DIR    BIT_0  /* DMA direction (0=fifo->host 1=host->fifo) */
 170         uint16_t cdma_ctrl;
 171         uint16_t cdma_status;
 172         uint16_t cdma_fifo_status;
 173         uint16_t cdma_count;
 174         uint16_t cdma_reserved;
 175         uint16_t cdma_address_count_0;
 176         uint16_t cdma_address_count_1;
 177         uint16_t cdma_address_count_2;
 178         uint16_t cdma_address_count_3;
 179
 180         uint16_t unused_2[0x06];
 181
 182         uint16_t ddma_cfg;
 183 #define DDMA_CONF_SENAB  BIT_3  /* SXP to DMA Data enable */
 184 #define DDMA_CONF_RIRQ   BIT_2  /* RISC interrupt enable */
 185 #define DDMA_CONF_BENAB  BIT_1  /* Bus burst enable */
 186 #define DDMA_CONF_DIR    BIT_0  /* DMA direction (0=fifo->host 1=host->fifo) */
 187         uint16_t ddma_ctrl;
 188         uint16_t ddma_status;
 189         uint16_t ddma_fifo_status;
 190         uint16_t ddma_xfer_count_low;
 191         uint16_t ddma_xfer_count_high;
 192         uint16_t ddma_addr_count_0;
 193         uint16_t ddma_addr_count_1;
 194         uint16_t ddma_addr_count_2;
 195         uint16_t ddma_addr_count_3;
 196
 197         uint16_t unused_3[0x0e];
 198
 199         uint16_t mailbox0;      /* Mailbox 0 */
 200         uint16_t mailbox1;      /* Mailbox 1 */
 201         uint16_t mailbox2;      /* Mailbox 2 */
 202         uint16_t mailbox3;      /* Mailbox 3 */
 203         uint16_t mailbox4;      /* Mailbox 4 */
 204         uint16_t mailbox5;      /* Mailbox 5 */
 205         uint16_t mailbox6;      /* Mailbox 6 */
 206         uint16_t mailbox7;      /* Mailbox 7 */
 207
 208         uint16_t unused_4[0x20];/* 0x80-0xbf Gap */
 209
 210         uint16_t host_cmd;      /* Host command and control */
 211 #define HOST_INT      BIT_7     /* host interrupt bit */
 212 #define BIOS_ENABLE   BIT_0
 213
 214         uint16_t unused_5[0x5]; /* 0xc2-0xcb Gap */
 215
 216         uint16_t gpio_data;
 217         uint16_t gpio_enable;
 218
 219         uint16_t unused_6[0x11];        /* d0-f0 */
 220         uint16_t scsiControlPins;       /* f2 */
 221 };
 222
 223 #define MAILBOX_REGISTER_COUNT  8
 224
 225 /*
 226  *  ISP product identification definitions in mailboxes after reset.
 227  */
 228 #define PROD_ID_1               0x4953
 229 #define PROD_ID_2               0x0000
 230 #define PROD_ID_2a              0x5020
 231 #define PROD_ID_3               0x2020
 232 #define PROD_ID_4               0x1
 233
 234 /*
 235  * ISP host command and control register command definitions
 236  */
 237 #define HC_RESET_RISC           0x1000  /* Reset RISC */
 238 #define HC_PAUSE_RISC           0x2000  /* Pause RISC */
 239 #define HC_RELEASE_RISC         0x3000  /* Release RISC from reset. */
 240 #define HC_SET_HOST_INT         0x5000  /* Set host interrupt */
 241 #define HC_CLR_HOST_INT         0x6000  /* Clear HOST interrupt */
 242 #define HC_CLR_RISC_INT         0x7000  /* Clear RISC interrupt */
 243 #define HC_DISABLE_BIOS         0x9000  /* Disable BIOS. */
 244
 245 /*
 246  * ISP mailbox Self-Test status codes
 247  */
 248 #define MBS_FRM_ALIVE           0       /* Firmware Alive. */
 249 #define MBS_CHKSUM_ERR          1       /* Checksum Error. */
 250 #define MBS_SHADOW_LD_ERR       2       /* Shadow Load Error. */
 251 #define MBS_BUSY                4       /* Busy. */
 252
 253 /*
 254  * ISP mailbox command complete status codes
 255  */
 256 #define MBS_CMD_CMP             0x4000  /* Command Complete. */
 257 #define MBS_INV_CMD             0x4001  /* Invalid Command. */
 258 #define MBS_HOST_INF_ERR        0x4002  /* Host Interface Error. */
 259 #define MBS_TEST_FAILED         0x4003  /* Test Failed. */
 260 #define MBS_CMD_ERR             0x4005  /* Command Error. */
 261 #define MBS_CMD_PARAM_ERR       0x4006  /* Command Parameter Error. */
 262
 263 /*
 264  * ISP mailbox asynchronous event status codes
 265  */
 266 #define MBA_ASYNC_EVENT         0x8000  /* Asynchronous event. */
 267 #define MBA_BUS_RESET           0x8001  /* SCSI Bus Reset. */
 268 #define MBA_SYSTEM_ERR          0x8002  /* System Error. */
 269 #define MBA_REQ_TRANSFER_ERR    0x8003  /* Request Transfer Error. */
 270 #define MBA_RSP_TRANSFER_ERR    0x8004  /* Response Transfer Error. */
 271 #define MBA_WAKEUP_THRES        0x8005  /* Request Queue Wake-up. */
 272 #define MBA_TIMEOUT_RESET       0x8006  /* Execution Timeout Reset. */
 273 #define MBA_DEVICE_RESET        0x8007  /* Bus Device Reset. */
 274 #define MBA_BUS_MODE_CHANGE     0x800E  /* SCSI bus mode transition. */
 275 #define MBA_SCSI_COMPLETION     0x8020  /* Completion response. */
 276
 277 /*
 278  * ISP mailbox commands
 279  */
 280 #define MBC_NOP                         0       /* No Operation */
 281 #define MBC_LOAD_RAM                    1       /* Load RAM */
 282 #define MBC_EXECUTE_FIRMWARE            2       /* Execute firmware */
 283 #define MBC_DUMP_RAM                    3       /* Dump RAM contents */
 284 #define MBC_WRITE_RAM_WORD              4       /* Write ram word */
 285 #define MBC_READ_RAM_WORD               5       /* Read ram word */
 286 #define MBC_MAILBOX_REGISTER_TEST       6       /* Wrap incoming mailboxes */
 287 #define MBC_VERIFY_CHECKSUM             7       /* Verify checksum */
 288 #define MBC_ABOUT_FIRMWARE              8       /* Get firmware revision */
 289 #define MBC_INIT_REQUEST_QUEUE          0x10    /* Initialize request queue */
 290 #define MBC_INIT_RESPONSE_QUEUE         0x11    /* Initialize response queue */
 291 #define MBC_EXECUTE_IOCB                0x12    /* Execute IOCB command */
 292 #define MBC_ABORT_COMMAND               0x15    /* Abort IOCB command */
 293 #define MBC_ABORT_DEVICE                0x16    /* Abort device (ID/LUN) */
 294 #define MBC_ABORT_TARGET                0x17    /* Abort target (ID) */
 295 #define MBC_BUS_RESET                   0x18    /* SCSI bus reset */
 296 #define MBC_GET_RETRY_COUNT             0x22    /* Get retry count and delay */
 297 #define MBC_GET_TARGET_PARAMETERS       0x28    /* Get target parameters */
 298 #define MBC_SET_INITIATOR_ID            0x30    /* Set initiator SCSI ID */
 299 #define MBC_SET_SELECTION_TIMEOUT       0x31    /* Set selection timeout */
 300 #define MBC_SET_RETRY_COUNT             0x32    /* Set retry count and delay */
 301 #define MBC_SET_TAG_AGE_LIMIT           0x33    /* Set tag age limit */
 302 #define MBC_SET_CLOCK_RATE              0x34    /* Set clock rate */
 303 #define MBC_SET_ACTIVE_NEGATION         0x35    /* Set active negation state */
 304 #define MBC_SET_ASYNC_DATA_SETUP        0x36    /* Set async data setup time */
 305 #define MBC_SET_PCI_CONTROL             0x37    /* Set BUS control parameters */
 306 #define MBC_SET_TARGET_PARAMETERS       0x38    /* Set target parameters */
 307 #define MBC_SET_DEVICE_QUEUE            0x39    /* Set device queue parameters */
 308 #define MBC_SET_RESET_DELAY_PARAMETERS  0x3A    /* Set reset delay parameters */
 309 #define MBC_SET_SYSTEM_PARAMETER        0x45    /* Set system parameter word */
 310 #define MBC_SET_FIRMWARE_FEATURES       0x4A    /* Set firmware feature word */
 311 #define MBC_INIT_REQUEST_QUEUE_A64      0x52    /* Initialize request queue A64 */
 312 #define MBC_INIT_RESPONSE_QUEUE_A64     0x53    /* Initialize response q A64 */
 313 #define MBC_ENABLE_TARGET_MODE          0x55    /* Enable target mode */
 314 #define MBC_SET_DATA_OVERRUN_RECOVERY   0x5A    /* Set data overrun recovery mode */
 315
 316 /*
 317  * ISP Get/Set Target Parameters mailbox command control flags.
 318  */
 319 #define TP_PPR                  BIT_5   /* PPR */
 320 #define TP_RENEGOTIATE          BIT_8   /* Renegotiate on error. */
 321 #define TP_STOP_QUEUE           BIT_9   /* Stop que on check condition */
 322 #define TP_AUTO_REQUEST_SENSE   BIT_10  /* Automatic request sense. */
 323 #define TP_TAGGED_QUEUE         BIT_11  /* Tagged queuing. */
 324 #define TP_SYNC                 BIT_12  /* Synchronous data transfers. */
 325 #define TP_WIDE                 BIT_13  /* Wide data transfers. */
 326 #define TP_PARITY               BIT_14  /* Parity checking. */
 327 #define TP_DISCONNECT           BIT_15  /* Disconnect privilege. */
 328
 329 /*
 330  * NVRAM Command values.
 331  */
 332 #define NV_START_BIT            BIT_2
 333 #define NV_WRITE_OP             (BIT_26 | BIT_24)
 334 #define NV_READ_OP              (BIT_26 | BIT_25)
 335 #define NV_ERASE_OP             (BIT_26 | BIT_25 | BIT_24)
 336 #define NV_MASK_OP              (BIT_26 | BIT_25 | BIT_24)
 337 #define NV_DELAY_COUNT          10
 338
 339 /*
 340  *  QLogic ISP1280/ISP12160 NVRAM structure definition.
 341  */
 342 struct nvram {
 343         uint8_t id0;            /* 0 */
 344         uint8_t id1;            /* 1 */
 345         uint8_t id2;            /* 2 */
 346         uint8_t id3;            /* 3 */
 347         uint8_t version;        /* 4 */
 348
 349         struct {
 350                 uint8_t bios_configuration_mode:2;
 351                 uint8_t bios_disable:1;
 352                 uint8_t selectable_scsi_boot_enable:1;
 353                 uint8_t cd_rom_boot_enable:1;
 354                 uint8_t disable_loading_risc_code:1;
 355                 uint8_t enable_64bit_addressing:1;
 356                 uint8_t unused_7:1;
 357         } cntr_flags_1;         /* 5 */
 358
 359         struct {
 360                 uint8_t boot_lun_number:5;
 361                 uint8_t scsi_bus_number:1;
 362                 uint8_t unused_6:1;
 363                 uint8_t unused_7:1;
 364         } cntr_flags_2l;        /* 7 */
 365
 366         struct {
 367                 uint8_t boot_target_number:4;
 368                 uint8_t unused_12:1;
 369                 uint8_t unused_13:1;
 370                 uint8_t unused_14:1;
 371                 uint8_t unused_15:1;
 372         } cntr_flags_2h;        /* 8 */
 373
 374         uint16_t unused_8;      /* 8, 9 */
 375         uint16_t unused_10;     /* 10, 11 */
 376         uint16_t unused_12;     /* 12, 13 */
 377         uint16_t unused_14;     /* 14, 15 */
 378
 379         struct {
 380                 uint8_t reserved:2;
 381                 uint8_t burst_enable:1;
 382                 uint8_t reserved_1:1;
 383                 uint8_t fifo_threshold:4;
 384         } isp_config;           /* 16 */
 385
 386         /* Termination
 387          * 0 = Disable, 1 = high only, 3 = Auto term
 388          */
 389         struct {
 390                 uint8_t scsi_bus_1_control:2;
 391                 uint8_t scsi_bus_0_control:2;
 392                 uint8_t unused_0:1;
 393                 uint8_t unused_1:1;
 394                 uint8_t unused_2:1;
 395                 uint8_t auto_term_support:1;
 396         } termination;          /* 17 */
 397
 398         uint16_t isp_parameter; /* 18, 19 */
 399
 400         union {
 401                 uint16_t w;
 402                 struct {
 403                         uint16_t enable_fast_posting:1;
 404                         uint16_t report_lvd_bus_transition:1;
 405                         uint16_t unused_2:1;
 406                         uint16_t unused_3:1;
 407                         uint16_t disable_iosbs_with_bus_reset_status:1;
 408                         uint16_t disable_synchronous_backoff:1;
 409                         uint16_t unused_6:1;
 410                         uint16_t synchronous_backoff_reporting:1;
 411                         uint16_t disable_reselection_fairness:1;
 412                         uint16_t unused_9:1;
 413                         uint16_t unused_10:1;
 414                         uint16_t unused_11:1;
 415                         uint16_t unused_12:1;
 416                         uint16_t unused_13:1;
 417                         uint16_t unused_14:1;
 418                         uint16_t unused_15:1;
 419                 } f;
 420         } firmware_feature;     /* 20, 21 */
 421
 422         uint16_t unused_22;     /* 22, 23 */
 423
 424         struct {
 425                 struct {
 426                         uint8_t initiator_id:4;
 427                         uint8_t scsi_reset_disable:1;
 428                         uint8_t scsi_bus_size:1;
 429                         uint8_t scsi_bus_type:1;
 430                         uint8_t unused_7:1;
 431                 } config_1;     /* 24 */
 432
 433                 uint8_t bus_reset_delay;        /* 25 */
 434                 uint8_t retry_count;    /* 26 */
 435                 uint8_t retry_delay;    /* 27 */
 436
 437                 struct {
 438                         uint8_t async_data_setup_time:4;
 439                         uint8_t req_ack_active_negation:1;
 440                         uint8_t data_line_active_negation:1;
 441                         uint8_t unused_6:1;
 442                         uint8_t unused_7:1;
 443                 } config_2;     /* 28 */
 444
 445                 uint8_t unused_29;      /* 29 */
 446
 447                 uint16_t selection_timeout;     /* 30, 31 */
 448                 uint16_t max_queue_depth;       /* 32, 33 */
 449
 450                 uint16_t unused_34;     /* 34, 35 */
 451                 uint16_t unused_36;     /* 36, 37 */
 452                 uint16_t unused_38;     /* 38, 39 */
 453
 454                 struct {
 455                         struct {
 456                                 uint8_t renegotiate_on_error:1;
 457                                 uint8_t stop_queue_on_check:1;
 458                                 uint8_t auto_request_sense:1;
 459                                 uint8_t tag_queuing:1;
 460                                 uint8_t enable_sync:1;
 461                                 uint8_t enable_wide:1;
 462                                 uint8_t parity_checking:1;
 463                                 uint8_t disconnect_allowed:1;
 464                         } parameter;    /* 40 */
 465
 466                         uint8_t execution_throttle;     /* 41 */
 467                         uint8_t sync_period;    /* 42 */
 468
 469                         union {         /* 43 */
 470                                 uint8_t flags_43;
 471                                 struct {
 472                                         uint8_t sync_offset:4;
 473                                         uint8_t device_enable:1;
 474                                         uint8_t lun_disable:1;
 475                                         uint8_t unused_6:1;
 476                                         uint8_t unused_7:1;
 477                                 } flags1x80;
 478                                 struct {
 479                                         uint8_t sync_offset:5;
 480                                         uint8_t device_enable:1;
 481                                         uint8_t unused_6:1;
 482                                         uint8_t unused_7:1;
 483                                 } flags1x160;
 484                         } flags;
 485                         union { /* PPR flags for the 1x160 controllers */
 486                                 uint8_t unused_44;
 487                                 struct {
 488                                         uint8_t ppr_options:4;
 489                                         uint8_t ppr_bus_width:2;
 490                                         uint8_t unused_8:1;
 491                                         uint8_t enable_ppr:1;
 492                                 } flags;        /* 44 */
 493                         } ppr_1x160;
 494                         uint8_t unused_45;      /* 45 */
 495                 } target[MAX_TARGETS];
 496         } bus[MAX_BUSES];
 497
 498         uint16_t unused_248;    /* 248, 249 */
 499
 500         uint16_t subsystem_id[2];       /* 250, 251, 252, 253 */
 501
 502         union {                         /* 254 */
 503                 uint8_t unused_254;
 504                 uint8_t system_id_pointer;
 505         } sysid_1x160;
 506
 507         uint8_t chksum;         /* 255 */
 508 };
 509
 510 /*
 511  * ISP queue - command entry structure definition.
 512  */
 513 #define MAX_CMDSZ       12              /* SCSI maximum CDB size. */
 514 struct cmd_entry {
 515         uint8_t entry_type;             /* Entry type. */
 516 #define COMMAND_TYPE    1               /* Command entry */
 517         uint8_t entry_count;            /* Entry count. */
 518         uint8_t sys_define;             /* System defined. */
 519         uint8_t entry_status;           /* Entry Status. */
 520         __le32 handle;                  /* System handle. */
 521         uint8_t lun;                    /* SCSI LUN */
 522         uint8_t target;                 /* SCSI ID */
 523         __le16 cdb_len;                 /* SCSI command length. */
 524         __le16 control_flags;           /* Control flags. */
 525         __le16 reserved;
 526         __le16 timeout;                 /* Command timeout. */
 527         __le16 dseg_count;              /* Data segment count. */
 528         uint8_t scsi_cdb[MAX_CMDSZ];    /* SCSI command words. */
 529         __le32 dseg_0_address;          /* Data segment 0 address. */
 530         __le32 dseg_0_length;           /* Data segment 0 length. */
 531         __le32 dseg_1_address;          /* Data segment 1 address. */
 532         __le32 dseg_1_length;           /* Data segment 1 length. */
 533         __le32 dseg_2_address;          /* Data segment 2 address. */
 534         __le32 dseg_2_length;           /* Data segment 2 length. */
 535         __le32 dseg_3_address;          /* Data segment 3 address. */
 536         __le32 dseg_3_length;           /* Data segment 3 length. */
 537 };
 538
 539 /*
 540  * ISP queue - continuation entry structure definition.
 541  */
 542 struct cont_entry {
 543         uint8_t entry_type;             /* Entry type. */
 544 #define CONTINUE_TYPE   2               /* Continuation entry. */
 545         uint8_t entry_count;            /* Entry count. */
 546         uint8_t sys_define;             /* System defined. */
 547         uint8_t entry_status;           /* Entry Status. */
 548         __le32 reserved;                /* Reserved */
 549         __le32 dseg_0_address;          /* Data segment 0 address. */
 550         __le32 dseg_0_length;           /* Data segment 0 length. */
 551         __le32 dseg_1_address;          /* Data segment 1 address. */
 552         __le32 dseg_1_length;           /* Data segment 1 length. */
 553         __le32 dseg_2_address;          /* Data segment 2 address. */
 554         __le32 dseg_2_length;           /* Data segment 2 length. */
 555         __le32 dseg_3_address;          /* Data segment 3 address. */
 556         __le32 dseg_3_length;           /* Data segment 3 length. */
 557         __le32 dseg_4_address;          /* Data segment 4 address. */
 558         __le32 dseg_4_length;           /* Data segment 4 length. */
 559         __le32 dseg_5_address;          /* Data segment 5 address. */
 560         __le32 dseg_5_length;           /* Data segment 5 length. */
 561         __le32 dseg_6_address;          /* Data segment 6 address. */
 562         __le32 dseg_6_length;           /* Data segment 6 length. */
 563 };
 564
 565 /*
 566  * ISP queue - status entry structure definition.
 567  */
 568 struct response {
 569         uint8_t entry_type;     /* Entry type. */
 570 #define STATUS_TYPE     3       /* Status entry. */
 571         uint8_t entry_count;    /* Entry count. */
 572         uint8_t sys_define;     /* System defined. */
 573         uint8_t entry_status;   /* Entry Status. */
 574 #define RF_CONT         BIT_0   /* Continuation. */
 575 #define RF_FULL         BIT_1   /* Full */
 576 #define RF_BAD_HEADER   BIT_2   /* Bad header. */
 577 #define RF_BAD_PAYLOAD  BIT_3   /* Bad payload. */
 578         __le32 handle;          /* System handle. */
 579         __le16 scsi_status;     /* SCSI status. */
 580         __le16 comp_status;     /* Completion status. */
 581         __le16 state_flags;     /* State flags. */
 582 #define SF_TRANSFER_CMPL        BIT_14  /* Transfer Complete. */
 583 #define SF_GOT_SENSE            BIT_13  /* Got Sense */
 584 #define SF_GOT_STATUS           BIT_12  /* Got Status */
 585 #define SF_TRANSFERRED_DATA     BIT_11  /* Transferred data */
 586 #define SF_SENT_CDB             BIT_10  /* Send CDB */
 587 #define SF_GOT_TARGET           BIT_9   /*  */
 588 #define SF_GOT_BUS              BIT_8   /*  */
 589         __le16 status_flags;    /* Status flags. */
 590         __le16 time;            /* Time. */
 591         __le16 req_sense_length;/* Request sense data length. */
 592         __le32 residual_length; /* Residual transfer length. */
 593         __le16 reserved[4];
 594         uint8_t req_sense_data[32];     /* Request sense data. */
 595 };
 596
 597 /*
 598  * ISP queue - marker entry structure definition.
 599  */
 600 struct mrk_entry {
 601         uint8_t entry_type;     /* Entry type. */
 602 #define MARKER_TYPE     4       /* Marker entry. */
 603         uint8_t entry_count;    /* Entry count. */
 604         uint8_t sys_define;     /* System defined. */
 605         uint8_t entry_status;   /* Entry Status. */
 606         __le32 reserved;
 607         uint8_t lun;            /* SCSI LUN */
 608         uint8_t target;         /* SCSI ID */
 609         uint8_t modifier;       /* Modifier (7-0). */
 610 #define MK_SYNC_ID_LUN      0   /* Synchronize ID/LUN */
 611 #define MK_SYNC_ID          1   /* Synchronize ID */
 612 #define MK_SYNC_ALL         2   /* Synchronize all ID/LUN */
 613         uint8_t reserved_1[53];
 614 };
 615
 616 /*
 617  * ISP queue - extended command entry structure definition.
 618  *
 619  * Unused by the driver!
 620  */
 621 struct ecmd_entry {
 622         uint8_t entry_type;     /* Entry type. */
 623 #define EXTENDED_CMD_TYPE  5    /* Extended command entry. */
 624         uint8_t entry_count;    /* Entry count. */
 625         uint8_t sys_define;     /* System defined. */
 626         uint8_t entry_status;   /* Entry Status. */
 627         uint32_t handle;        /* System handle. */
 628         uint8_t lun;            /* SCSI LUN */
 629         uint8_t target;         /* SCSI ID */
 630         __le16 cdb_len;         /* SCSI command length. */
 631         __le16 control_flags;   /* Control flags. */
 632         __le16 reserved;
 633         __le16 timeout;         /* Command timeout. */
 634         __le16 dseg_count;      /* Data segment count. */
 635         uint8_t scsi_cdb[88];   /* SCSI command words. */
 636 };
 637
 638 /*
 639  * ISP queue - 64-Bit addressing, command entry structure definition.
 640  */
 641 typedef struct {
 642         uint8_t entry_type;     /* Entry type. */
 643 #define COMMAND_A64_TYPE 9      /* Command A64 entry */
 644         uint8_t entry_count;    /* Entry count. */
 645         uint8_t sys_define;     /* System defined. */
 646         uint8_t entry_status;   /* Entry Status. */
 647         __le32 handle;  /* System handle. */
 648         uint8_t lun;            /* SCSI LUN */
 649         uint8_t target;         /* SCSI ID */
 650         __le16 cdb_len; /* SCSI command length. */
 651         __le16 control_flags;   /* Control flags. */
 652         __le16 reserved;
 653         __le16 timeout; /* Command timeout. */
 654         __le16 dseg_count;      /* Data segment count. */
 655         uint8_t scsi_cdb[MAX_CMDSZ];    /* SCSI command words. */
 656         __le32 reserved_1[2];   /* unused */
 657         __le32 dseg_0_address[2];       /* Data segment 0 address. */
 658         __le32 dseg_0_length;   /* Data segment 0 length. */
 659         __le32 dseg_1_address[2];       /* Data segment 1 address. */
 660         __le32 dseg_1_length;   /* Data segment 1 length. */
 661 } cmd_a64_entry_t, request_t;
 662
 663 /*
 664  * ISP queue - 64-Bit addressing, continuation entry structure definition.
 665  */
 666 struct cont_a64_entry {
 667         uint8_t entry_type;     /* Entry type. */
 668 #define CONTINUE_A64_TYPE 0xA   /* Continuation A64 entry. */
 669         uint8_t entry_count;    /* Entry count. */
 670         uint8_t sys_define;     /* System defined. */
 671         uint8_t entry_status;   /* Entry Status. */
 672         __le32 dseg_0_address[2];       /* Data segment 0 address. */
 673         __le32 dseg_0_length;           /* Data segment 0 length. */
 674         __le32 dseg_1_address[2];       /* Data segment 1 address. */
 675         __le32 dseg_1_length;           /* Data segment 1 length. */
 676         __le32 dseg_2_address[2];       /* Data segment 2 address. */
 677         __le32 dseg_2_length;           /* Data segment 2 length. */
 678         __le32 dseg_3_address[2];       /* Data segment 3 address. */
 679         __le32 dseg_3_length;           /* Data segment 3 length. */
 680         __le32 dseg_4_address[2];       /* Data segment 4 address. */
 681         __le32 dseg_4_length;           /* Data segment 4 length. */
 682 };
 683
 684 /*
 685  * ISP queue - enable LUN entry structure definition.
 686  */
 687 struct elun_entry {
 688         uint8_t entry_type;     /* Entry type. */
 689 #define ENABLE_LUN_TYPE 0xB     /* Enable LUN entry. */
 690         uint8_t entry_count;    /* Entry count. */
 691         uint8_t reserved_1;
 692         uint8_t entry_status;   /* Entry Status not used. */
 693         __le32 reserved_2;
 694         __le16 lun;             /* Bit 15 is bus number. */
 695         __le16 reserved_4;
 696         __le32 option_flags;
 697         uint8_t status;
 698         uint8_t reserved_5;
 699         uint8_t command_count;  /* Number of ATIOs allocated. */
 700         uint8_t immed_notify_count;     /* Number of Immediate Notify */
 701         /* entries allocated. */
 702         uint8_t group_6_length; /* SCSI CDB length for group 6 */
 703         /* commands (2-26). */
 704         uint8_t group_7_length; /* SCSI CDB length for group 7 */
 705         /* commands (2-26). */
 706         __le16 timeout;         /* 0 = 30 seconds, 0xFFFF = disable */
 707         __le16 reserved_6[20];
 708 };
 709
 710 /*
 711  * ISP queue - modify LUN entry structure definition.
 712  *
 713  * Unused by the driver!
 714  */
 715 struct modify_lun_entry {
 716         uint8_t entry_type;     /* Entry type. */
 717 #define MODIFY_LUN_TYPE 0xC     /* Modify LUN entry. */
 718         uint8_t entry_count;    /* Entry count. */
 719         uint8_t reserved_1;
 720         uint8_t entry_status;   /* Entry Status. */
 721         __le32 reserved_2;
 722         uint8_t lun;            /* SCSI LUN */
 723         uint8_t reserved_3;
 724         uint8_t operators;
 725         uint8_t reserved_4;
 726         __le32 option_flags;
 727         uint8_t status;
 728         uint8_t reserved_5;
 729         uint8_t command_count;  /* Number of ATIOs allocated. */
 730         uint8_t immed_notify_count;     /* Number of Immediate Notify */
 731         /* entries allocated. */
 732         __le16 reserved_6;
 733         __le16 timeout;         /* 0 = 30 seconds, 0xFFFF = disable */
 734         __le16 reserved_7[20];
 735 };
 736
 737 /*
 738  * ISP queue - immediate notify entry structure definition.
 739  */
 740 struct notify_entry {
 741         uint8_t entry_type;     /* Entry type. */
 742 #define IMMED_NOTIFY_TYPE 0xD   /* Immediate notify entry. */
 743         uint8_t entry_count;    /* Entry count. */
 744         uint8_t reserved_1;
 745         uint8_t entry_status;   /* Entry Status. */
 746         __le32 reserved_2;
 747         uint8_t lun;
 748         uint8_t initiator_id;
 749         uint8_t reserved_3;
 750         uint8_t target_id;
 751         __le32 option_flags;
 752         uint8_t status;
 753         uint8_t reserved_4;
 754         uint8_t tag_value;      /* Received queue tag message value */
 755         uint8_t tag_type;       /* Received queue tag message type */
 756         /* entries allocated. */
 757         __le16 seq_id;
 758         uint8_t scsi_msg[8];    /* SCSI message not handled by ISP */
 759         __le16 reserved_5[8];
 760         uint8_t sense_data[18];
 761 };
 762
 763 /*
 764  * ISP queue - notify acknowledge entry structure definition.
 765  */
 766 struct nack_entry {
 767         uint8_t entry_type;     /* Entry type. */
 768 #define NOTIFY_ACK_TYPE 0xE     /* Notify acknowledge entry. */
 769         uint8_t entry_count;    /* Entry count. */
 770         uint8_t reserved_1;
 771         uint8_t entry_status;   /* Entry Status. */
 772         __le32 reserved_2;
 773         uint8_t lun;
 774         uint8_t initiator_id;
 775         uint8_t reserved_3;
 776         uint8_t target_id;
 777         __le32 option_flags;
 778         uint8_t status;
 779         uint8_t event;
 780         __le16 seq_id;
 781         __le16 reserved_4[22];
 782 };
 783
 784 /*
 785  * ISP queue - Accept Target I/O (ATIO) entry structure definition.
 786  */
 787 struct atio_entry {
 788         uint8_t entry_type;     /* Entry type. */
 789 #define ACCEPT_TGT_IO_TYPE 6    /* Accept target I/O entry. */
 790         uint8_t entry_count;    /* Entry count. */
 791         uint8_t reserved_1;
 792         uint8_t entry_status;   /* Entry Status. */
 793         __le32 reserved_2;
 794         uint8_t lun;
 795         uint8_t initiator_id;
 796         uint8_t cdb_len;
 797         uint8_t target_id;
 798         __le32 option_flags;
 799         uint8_t status;
 800         uint8_t scsi_status;
 801         uint8_t tag_value;      /* Received queue tag message value */
 802         uint8_t tag_type;       /* Received queue tag message type */
 803         uint8_t cdb[26];
 804         uint8_t sense_data[18];
 805 };
 806
 807 /*
 808  * ISP queue - Continue Target I/O (CTIO) entry structure definition.
 809  */
 810 struct ctio_entry {
 811         uint8_t entry_type;     /* Entry type. */
 812 #define CONTINUE_TGT_IO_TYPE 7  /* CTIO entry */
 813         uint8_t entry_count;    /* Entry count. */
 814         uint8_t reserved_1;
 815         uint8_t entry_status;   /* Entry Status. */
 816         __le32 reserved_2;
 817         uint8_t lun;            /* SCSI LUN */
 818         uint8_t initiator_id;
 819         uint8_t reserved_3;
 820         uint8_t target_id;
 821         __le32 option_flags;
 822         uint8_t status;
 823         uint8_t scsi_status;
 824         uint8_t tag_value;      /* Received queue tag message value */
 825         uint8_t tag_type;       /* Received queue tag message type */
 826         __le32 transfer_length;
 827         __le32 residual;
 828         __le16 timeout;         /* 0 = 30 seconds, 0xFFFF = disable */
 829         __le16 dseg_count;      /* Data segment count. */
 830         __le32 dseg_0_address;  /* Data segment 0 address. */
 831         __le32 dseg_0_length;   /* Data segment 0 length. */
 832         __le32 dseg_1_address;  /* Data segment 1 address. */
 833         __le32 dseg_1_length;   /* Data segment 1 length. */
 834         __le32 dseg_2_address;  /* Data segment 2 address. */
 835         __le32 dseg_2_length;   /* Data segment 2 length. */
 836         __le32 dseg_3_address;  /* Data segment 3 address. */
 837         __le32 dseg_3_length;   /* Data segment 3 length. */
 838 };
 839
 840 /*
 841  * ISP queue - CTIO returned entry structure definition.
 842  */
 843 struct ctio_ret_entry {
 844         uint8_t entry_type;     /* Entry type. */
 845 #define CTIO_RET_TYPE   7       /* CTIO return entry */
 846         uint8_t entry_count;    /* Entry count. */
 847         uint8_t reserved_1;
 848         uint8_t entry_status;   /* Entry Status. */
 849         __le32 reserved_2;
 850         uint8_t lun;            /* SCSI LUN */
 851         uint8_t initiator_id;
 852         uint8_t reserved_3;
 853         uint8_t target_id;
 854         __le32 option_flags;
 855         uint8_t status;
 856         uint8_t scsi_status;
 857         uint8_t tag_value;      /* Received queue tag message value */
 858         uint8_t tag_type;       /* Received queue tag message type */
 859         __le32 transfer_length;
 860         __le32 residual;
 861         __le16 timeout;         /* 0 = 30 seconds, 0xFFFF = disable */
 862         __le16 dseg_count;      /* Data segment count. */
 863         __le32 dseg_0_address;  /* Data segment 0 address. */
 864         __le32 dseg_0_length;   /* Data segment 0 length. */
 865         __le32 dseg_1_address;  /* Data segment 1 address. */
 866         __le16 dseg_1_length;   /* Data segment 1 length. */
 867         uint8_t sense_data[18];
 868 };
 869
 870 /*
 871  * ISP queue - CTIO A64 entry structure definition.
 872  */
 873 struct ctio_a64_entry {
 874         uint8_t entry_type;     /* Entry type. */
 875 #define CTIO_A64_TYPE 0xF       /* CTIO A64 entry */
 876         uint8_t entry_count;    /* Entry count. */
 877         uint8_t reserved_1;
 878         uint8_t entry_status;   /* Entry Status. */
 879         __le32 reserved_2;
 880         uint8_t lun;            /* SCSI LUN */
 881         uint8_t initiator_id;
 882         uint8_t reserved_3;
 883         uint8_t target_id;
 884         __le32 option_flags;
 885         uint8_t status;
 886         uint8_t scsi_status;
 887         uint8_t tag_value;      /* Received queue tag message value */
 888         uint8_t tag_type;       /* Received queue tag message type */
 889         __le32 transfer_length;
 890         __le32 residual;
 891         __le16 timeout;         /* 0 = 30 seconds, 0xFFFF = disable */
 892         __le16 dseg_count;      /* Data segment count. */
 893         __le32 reserved_4[2];
 894         __le32 dseg_0_address[2];/* Data segment 0 address. */
 895         __le32 dseg_0_length;   /* Data segment 0 length. */
 896         __le32 dseg_1_address[2];/* Data segment 1 address. */
 897         __le32 dseg_1_length;   /* Data segment 1 length. */
 898 };
 899
 900 /*
 901  * ISP queue - CTIO returned entry structure definition.
 902  */
 903 struct ctio_a64_ret_entry {
 904         uint8_t entry_type;     /* Entry type. */
 905 #define CTIO_A64_RET_TYPE 0xF   /* CTIO A64 returned entry */
 906         uint8_t entry_count;    /* Entry count. */
 907         uint8_t reserved_1;
 908         uint8_t entry_status;   /* Entry Status. */
 909         __le32 reserved_2;
 910         uint8_t lun;            /* SCSI LUN */
 911         uint8_t initiator_id;
 912         uint8_t reserved_3;
 913         uint8_t target_id;
 914         __le32 option_flags;
 915         uint8_t status;
 916         uint8_t scsi_status;
 917         uint8_t tag_value;      /* Received queue tag message value */
 918         uint8_t tag_type;       /* Received queue tag message type */
 919         __le32 transfer_length;
 920         __le32 residual;
 921         __le16 timeout;         /* 0 = 30 seconds, 0xFFFF = disable */
 922         __le16 dseg_count;      /* Data segment count. */
 923         __le16 reserved_4[7];
 924         uint8_t sense_data[18];
 925 };
 926
 927 /*
 928  * ISP request and response queue entry sizes
 929  */
 930 #define RESPONSE_ENTRY_SIZE     (sizeof(struct response))
 931 #define REQUEST_ENTRY_SIZE      (sizeof(request_t))
 932
 933 /*
 934  * ISP status entry - completion status definitions.
 935  */
 936 #define CS_COMPLETE         0x0 /* No errors */
 937 #define CS_INCOMPLETE       0x1 /* Incomplete transfer of cmd. */
 938 #define CS_DMA              0x2 /* A DMA direction error. */
 939 #define CS_TRANSPORT        0x3 /* Transport error. */
 940 #define CS_RESET            0x4 /* SCSI bus reset occurred */
 941 #define CS_ABORTED          0x5 /* System aborted command. */
 942 #define CS_TIMEOUT          0x6 /* Timeout error. */
 943 #define CS_DATA_OVERRUN     0x7 /* Data overrun. */
 944 #define CS_COMMAND_OVERRUN  0x8 /* Command Overrun. */
 945 #define CS_STATUS_OVERRUN   0x9 /* Status Overrun. */
 946 #define CS_BAD_MSG          0xA /* Bad msg after status phase. */
 947 #define CS_NO_MSG_OUT       0xB /* No msg out after selection. */
 948 #define CS_EXTENDED_ID      0xC /* Extended ID failed. */
 949 #define CS_IDE_MSG          0xD /* Target rejected IDE msg. */
 950 #define CS_ABORT_MSG        0xE /* Target rejected abort msg. */
 951 #define CS_REJECT_MSG       0xF /* Target rejected reject msg. */
 952 #define CS_NOP_MSG          0x10        /* Target rejected NOP msg. */
 953 #define CS_PARITY_MSG       0x11        /* Target rejected parity msg. */
 954 #define CS_DEV_RESET_MSG    0x12        /* Target rejected dev rst msg. */
 955 #define CS_ID_MSG           0x13        /* Target rejected ID msg. */
 956 #define CS_FREE             0x14        /* Unexpected bus free. */
 957 #define CS_DATA_UNDERRUN    0x15        /* Data Underrun. */
 958 #define CS_TRANACTION_1     0x18        /* Transaction error 1 */
 959 #define CS_TRANACTION_2     0x19        /* Transaction error 2 */
 960 #define CS_TRANACTION_3     0x1a        /* Transaction error 3 */
 961 #define CS_INV_ENTRY_TYPE   0x1b        /* Invalid entry type */
 962 #define CS_DEV_QUEUE_FULL   0x1c        /* Device queue full */
 963 #define CS_PHASED_SKIPPED   0x1d        /* SCSI phase skipped */
 964 #define CS_ARS_FAILED       0x1e        /* ARS failed */
 965 #define CS_LVD_BUS_ERROR    0x21        /* LVD bus error */
 966 #define CS_BAD_PAYLOAD      0x80        /* Driver defined */
 967 #define CS_UNKNOWN          0x81        /* Driver defined */
 968 #define CS_RETRY            0x82        /* Driver defined */
 969
 970 /*
 971  * ISP target entries - Option flags bit definitions.
 972  */
 973 #define OF_ENABLE_TAG       BIT_1       /* Tagged queue action enable */
 974 #define OF_DATA_IN          BIT_6       /* Data in to initiator */
 975                                         /*  (data from target to initiator) */
 976 #define OF_DATA_OUT         BIT_7       /* Data out from initiator */
 977                                         /*  (data from initiator to target) */
 978 #define OF_NO_DATA          (BIT_7 | BIT_6)
 979 #define OF_DISC_DISABLED    BIT_15      /* Disconnects disabled */
 980 #define OF_DISABLE_SDP      BIT_24      /* Disable sending save data ptr */
 981 #define OF_SEND_RDP         BIT_26      /* Send restore data pointers msg */
 982 #define OF_FORCE_DISC       BIT_30      /* Disconnects mandatory */
 983 #define OF_SSTS             BIT_31      /* Send SCSI status */
 984
 985
 986 /*
 987  * BUS parameters/settings structure - UNUSED
 988  */
 989 struct bus_param {
 990         uint8_t id;             /* Host adapter SCSI id */
 991         uint8_t bus_reset_delay;        /* SCSI bus reset delay. */
 992         uint8_t failed_reset_count;     /* number of time reset failed */
 993         uint8_t unused;
 994         uint16_t device_enables;        /* Device enable bits. */
 995         uint16_t lun_disables;  /* LUN disable bits. */
 996         uint16_t qtag_enables;  /* Tag queue enables. */
 997         uint16_t hiwat;         /* High water mark per device. */
 998         uint8_t reset_marker:1;
 999         uint8_t disable_scsi_reset:1;
1000         uint8_t scsi_bus_dead:1;        /* SCSI Bus is Dead, when 5 back to back resets failed */
1001 };
1002
1003
1004 struct qla_driver_setup {
1005         uint32_t no_sync:1;
1006         uint32_t no_wide:1;
1007         uint32_t no_ppr:1;
1008         uint32_t no_nvram:1;
1009         uint16_t sync_mask;
1010         uint16_t wide_mask;
1011         uint16_t ppr_mask;
1012 };
1013
1014
1015 /*
1016  * Linux Host Adapter structure
1017  */
1018 struct scsi_qla_host {
1019         /* Linux adapter configuration data */
1020         struct Scsi_Host *host; /* pointer to host data */
1021         struct scsi_qla_host *next;
1022         struct device_reg __iomem *iobase;      /* Base Memory-mapped I/O address */
1023
1024         unsigned char __iomem *mmpbase; /* memory mapped address */
1025         unsigned long host_no;
1026         struct pci_dev *pdev;
1027         uint8_t devnum;
1028         uint8_t revision;
1029         uint8_t ports;
1030
1031         unsigned long actthreads;
1032         unsigned long isr_count;        /* Interrupt count */
1033         unsigned long spurious_int;
1034
1035         /* Outstandings ISP commands. */
1036         struct srb *outstanding_cmds[MAX_OUTSTANDING_COMMANDS];
1037
1038         /* BUS configuration data */
1039         struct bus_param bus_settings[MAX_BUSES];
1040
1041         /* Received ISP mailbox data. */
1042         volatile uint16_t mailbox_out[MAILBOX_REGISTER_COUNT];
1043
1044         dma_addr_t request_dma;         /* Physical Address */
1045         request_t *request_ring;        /* Base virtual address */
1046         request_t *request_ring_ptr;    /* Current address. */
1047         uint16_t req_ring_index;        /* Current index. */
1048         uint16_t req_q_cnt;             /* Number of available entries. */
1049
1050         dma_addr_t response_dma;        /* Physical address. */
1051         struct response *response_ring; /* Base virtual address */
1052         struct response *response_ring_ptr;     /* Current address. */
1053         uint16_t rsp_ring_index;        /* Current index. */
1054
1055         struct list_head done_q;        /* Done queue */
1056
1057         struct completion *mailbox_wait;
1058
1059         volatile struct {
1060                 uint32_t online:1;                      /* 0 */
1061                 uint32_t reset_marker:1;                /* 1 */
1062                 uint32_t disable_host_adapter:1;        /* 2 */
1063                 uint32_t reset_active:1;                /* 3 */
1064                 uint32_t abort_isp_active:1;            /* 4 */
1065                 uint32_t disable_risc_code_load:1;      /* 5 */
1066 #ifdef __ia64__
1067                 uint32_t use_pci_vchannel:1;
1068 #endif
1069         } flags;
1070
1071         struct nvram nvram;
1072         int nvram_valid;
1073
1074         /* Firmware Info */
1075         unsigned short fwstart; /* start address for F/W   */
1076         unsigned char fwver1;   /* F/W version first char  */
1077         unsigned char fwver2;   /* F/W version second char */
1078         unsigned char fwver3;   /* F/W version third char  */
1079 };
1080
1081 #endif /* _QLA1280_H */