drivers/scsi/ips.h

   1 /*****************************************************************************/
   2 /* ips.h -- driver for the IBM ServeRAID adapter                             */
   3 /*                                                                           */
   4 /* Written By: Keith Mitchell, IBM Corporation                               */
   5 /*                                                                           */
   6 /* Copyright (C) 1999 IBM Corporation                                        */
   7 /*                                                                           */
   8 /* This program is free software; you can redistribute it and/or modify      */
   9 /* it under the terms of the GNU General Public License as published by      */
  10 /* the Free Software Foundation; either version 2 of the License, or         */
  11 /* (at your option) any later version.                                       */
  12 /*                                                                           */
  13 /* This program is distributed in the hope that it will be useful,           */
  14 /* but WITHOUT ANY WARRANTY; without even the implied warranty of            */
  15 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             */
  16 /* GNU General Public License for more details.                              */
  17 /*                                                                           */
  18 /* NO WARRANTY                                                               */
  19 /* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR        */
  20 /* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT      */
  21 /* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,      */
  22 /* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is    */
  23 /* solely responsible for determining the appropriateness of using and       */
  24 /* distributing the Program and assumes all risks associated with its        */
  25 /* exercise of rights under this Agreement, including but not limited to     */
  26 /* the risks and costs of program errors, damage to or loss of data,         */
  27 /* programs or equipment, and unavailability or interruption of operations.  */
  28 /*                                                                           */
  29 /* DISCLAIMER OF LIABILITY                                                   */
  30 /* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY   */
  31 /* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL        */
  32 /* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND   */
  33 /* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR     */
  34 /* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE    */
  35 /* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED  */
  36 /* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES             */
  37 /*                                                                           */
  38 /* You should have received a copy of the GNU General Public License         */
  39 /* along with this program; if not, write to the Free Software               */
  40 /* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  41 /*                                                                           */
  42 /* Bugs/Comments/Suggestions should be mailed to:                            */
  43 /*      ipslinux@us.ibm.com                                                  */
  44 /*                                                                           */
  45 /*****************************************************************************/
  46
  47 #ifndef _IPS_H_
  48    #define _IPS_H_
  49
  50    #include <linux/config.h>
  51    #include <asm/uaccess.h>
  52    #include <asm/io.h>
  53
  54    /* Prototypes */
  55    extern int ips_detect(Scsi_Host_Template *);
  56    extern int ips_release(struct Scsi_Host *);
  57    extern int ips_abort(Scsi_Cmnd *);
  58    extern int ips_reset(Scsi_Cmnd *, unsigned int);
  59    extern int ips_eh_abort(Scsi_Cmnd *);
  60    extern int ips_eh_reset(Scsi_Cmnd *);
  61    extern int ips_queue(Scsi_Cmnd *, void (*) (Scsi_Cmnd *));
  62    extern int ips_biosparam(Disk *, kdev_t, int *);
  63    extern const char * ips_info(struct Scsi_Host *);
  64    extern void do_ipsintr(int, void *, struct pt_regs *);
  65
  66    /*
  67     * Some handy macros
  68     */
  69    #ifndef LinuxVersionCode
  70       #define LinuxVersionCode(x,y,z)   (((x)<<16)+((y)<<8)+(z))
  71    #endif
  72
  73    #define HA(x)                       ((ips_ha_t *) x->hostdata)
  74    #define IPS_COMMAND_ID(ha, scb)     (int) (scb - ha->scbs)
  75    #define VIRT_TO_BUS(x)              (unsigned int)virt_to_bus((void *) x)
  76
  77    #define UDELAY udelay
  78    #define MDELAY mdelay
  79
  80    #define verify_area_20(t,a,sz)               (0) /* success */
  81    #define PUT_USER                             put_user
  82    #define __PUT_USER                           __put_user
  83    #define PUT_USER_RET                         put_user_ret
  84    #define GET_USER                             get_user
  85    #define __GET_USER                           __get_user
  86    #define GET_USER_RET                         get_user_ret
  87
  88 /*
  89  * Adapter address map equates
  90  */
  91    #define HISR                 0x08    /* Host Interrupt Status Reg   */
  92    #define CCSAR                0x10    /* Cmd Channel System Addr Reg */
  93    #define CCCR                 0x14    /* Cmd Channel Control Reg     */
  94    #define SQHR                 0x20    /* Status Q Head Reg           */
  95    #define SQTR                 0x24    /* Status Q Tail Reg           */
  96    #define SQER                 0x28    /* Status Q End Reg            */
  97    #define SQSR                 0x2C    /* Status Q Start Reg          */
  98    #define SCPR                 0x05    /* Subsystem control port reg  */
  99    #define ISPR                 0x06    /* interrupt status port reg   */
 100    #define CBSP                 0x07    /* CBSP register               */
 101
 102 /*
 103  * Adapter register bit equates
 104  */
 105    #define GHI                  0x04    /* HISR General Host Interrupt */
 106    #define SQO                  0x02    /* HISR Status Q Overflow      */
 107    #define SCE                  0x01    /* HISR Status Channel Enqueue */
 108    #define SEMAPHORE            0x08    /* CCCR Semaphore Bit          */
 109    #define ILE                  0x10    /* CCCR ILE Bit                */
 110    #define START_COMMAND        0x101A  /* CCCR Start Command Channel  */
 111    #define START_STOP_BIT       0x0002  /* CCCR Start/Stop Bit         */
 112    #define RST                  0x80    /* SCPR Reset Bit              */
 113    #define EBM                  0x02    /* SCPR Enable Bus Master      */
 114    #define EI                   0x80    /* HISR Enable Interrupts      */
 115    #define OP                   0x01    /* OP bit in CBSP              */
 116
 117 /*
 118  * Adapter Command ID Equates
 119  */
 120    #define GET_LOGICAL_DRIVE_INFO               0x19
 121    #define GET_SUBSYS_PARAM                     0x40
 122    #define READ_NVRAM_CONFIGURATION             0x38
 123    #define RW_NVRAM_PAGE                        0xBC
 124    #define IPS_READ                             0x02
 125    #define IPS_WRITE                            0x03
 126    #define ENQUIRY                              0x05
 127    #define FLUSH_CACHE                          0x0A
 128    #define NORM_STATE                           0x00
 129    #define READ_SCATTER_GATHER                  0x82
 130    #define WRITE_SCATTER_GATHER                 0x83
 131    #define DIRECT_CDB                           0x04
 132    #define DIRECT_CDB_SCATTER_GATHER            0x84
 133    #define CONFIG_SYNC                          0x58
 134    #define POCL                                 0x30
 135    #define GET_ERASE_ERROR_TABLE                0x17
 136    #define RESET_CHANNEL                        0x1A
 137    #define CSL                                  0xFF
 138    #define ADAPT_RESET                          0xFF
 139
 140 /*
 141  * Adapter Equates
 142  */
 143    #define IPS_MAX_ADAPTERS                     16
 144    #define IPS_MAX_IOCTL                        1
 145    #define IPS_MAX_IOCTL_QUEUE                  8
 146    #define IPS_MAX_QUEUE                        128
 147    #define IPS_BLKSIZE                          512
 148    #define MAX_SG_ELEMENTS                      17
 149    #define MAX_LOGICAL_DRIVES                   8
 150    #define MAX_CHANNELS                         3
 151    #define MAX_TARGETS                          15
 152    #define MAX_CHUNKS                           16
 153    #define MAX_CMDS                             64
 154    #define IPS_MAX_XFER                         0x10000
 155    #define COMP_MODE_HEADS                      128
 156    #define COMP_MODE_SECTORS                    32
 157    #define NORM_MODE_HEADS                      254
 158    #define NORM_MODE_SECTORS                    63
 159    #define NVRAM_PAGE5_SIGNATURE                0xFFDDBB99
 160    #define MAX_POST_BYTES                       0x02
 161    #define MAX_CONFIG_BYTES                     0x02
 162    #define GOOD_POST_BASIC_STATUS               0x80
 163    #define SEMAPHORE_TIMEOUT                    2000
 164    #define IPS_INTR_OFF                         0
 165    #define IPS_INTR_ON                          1
 166    #define IPS_ADAPTER_ID                       0xF
 167    #define IPS_VENDORID                         0x1014
 168    #define IPS_DEVICEID                         0x002E
 169    #define TIMEOUT_10                           0x10
 170    #define TIMEOUT_60                           0x20
 171    #define TIMEOUT_20M                          0x30
 172    #define STATUS_SIZE                          4
 173    #define STATUS_Q_SIZE                        (MAX_CMDS+1) * STATUS_SIZE
 174    #define ONE_MSEC                             1
 175    #define ONE_SEC                              1000
 176
 177 /*
 178  * Adapter Basic Status Codes
 179  */
 180    #define BASIC_STATUS_MASK            0xFF
 181    #define GSC_STATUS_MASK              0x0F
 182    #define SSUCCESS                     0x00
 183    #define RECOVERED_ERROR              0x01
 184    #define IPS_CHECK_CONDITION          0x02
 185    #define INVAL_OPCO                   0x03
 186    #define INVAL_CMD_BLK                0x04
 187    #define INVAL_PARM_BLK               0x05
 188    #define IPS_BUSY                     0x08
 189    #define ADAPT_HARDWARE_ERROR         0x09
 190    #define ADAPT_FIRMWARE_ERROR         0x0A
 191    #define CMD_CMPLT_WERROR             0x0C
 192    #define LOG_DRV_ERROR                0x0D
 193    #define CMD_TIMEOUT                  0x0E
 194    #define PHYS_DRV_ERROR               0x0F
 195
 196 /*
 197  * Adapter Extended Status Equates
 198  */
 199    #define SELECTION_TIMEOUT                    0xF0
 200    #define DATA_OVER_UNDER_RUN                  0xF2
 201    #define EXT_HOST_RESET                       0xF7
 202    #define EXT_DEVICE_RESET                     0xF8
 203    #define EXT_RECOVERY                         0xFC
 204    #define EXT_CHECK_CONDITION                  0xFF
 205
 206 /*
 207  * Operating System Defines
 208  */
 209    #define OS_WINDOWS_NT                        0x01
 210    #define OS_NETWARE                           0x02
 211    #define OS_OPENSERVER                        0x03
 212    #define OS_UNIXWARE                          0x04
 213    #define OS_SOLARIS                           0x05
 214    #define OS_OS2                               0x06
 215    #define OS_LINUX                             0x07
 216    #define OS_FREEBSD                           0x08
 217
 218 /*
 219  * Adapter Command/Status Packet Definitions
 220  */
 221    #define IPS_SUCCESS                  0x01 /* Successfully completed       */
 222    #define IPS_SUCCESS_IMM              0x02 /* Success - Immediately        */
 223    #define IPS_FAILURE                  0x04 /* Completed with Error         */
 224
 225 /*
 226  * Logical Drive Equates
 227  */
 228    #define OFF_LINE             0x02
 229    #define OKAY                 0x03
 230    #define FREE                 0x00
 231    #define SYS                  0x06
 232    #define CRS                  0x24
 233
 234 /*
 235  * DCDB Table Equates
 236  */
 237    #define NO_DISCONNECT                0x00
 238    #define DISCONNECT_ALLOWED           0x80
 239    #define NO_AUTO_REQUEST_SENSE        0x40
 240    #define DATA_IN                      0x01
 241    #define DATA_OUT                     0x02
 242    #define TRANSFER_64K                 0x08
 243    #define NOTIMEOUT                    0x00
 244    #define TIMEOUT10                    0x10
 245    #define TIMEOUT60                    0x20
 246    #define TIMEOUT20M                   0x30
 247
 248 /*
 249  * Host adapter Flags (bit numbers)
 250  */
 251    #define IPS_IN_INTR                  0
 252    #define IPS_IN_ABORT                 1
 253    #define IPS_IN_RESET                 2
 254
 255 /*
 256  * SCB Flags
 257  */
 258    #define SCB_ACTIVE                   0x00001
 259    #define SCB_WAITING                  0x00002
 260
 261 /*
 262  * Passthru stuff
 263  */
 264    #define COPPUSRCMD                  (('C'<<8) | 65)
 265    #define IPS_NUMCTRLS                (('C'<<8) | 68)
 266    #define IPS_CTRLINFO                (('C'<<8) | 69)
 267
 268 /*
 269  * Scsi_Host Template
 270  */
 271  #define IPS {                            \
 272     next : NULL,                          \
 273     module : NULL,                        \
 274     proc_dir : NULL,                      \
 275     proc_info : NULL,                     \
 276     name : NULL,                          \
 277     detect : ips_detect,                  \
 278     release : ips_release,                \
 279     info : ips_info,                      \
 280     command : NULL,                       \
 281     queuecommand : ips_queue,             \
 282     eh_strategy_handler : NULL,           \
 283     eh_abort_handler : ips_eh_abort,      \
 284     eh_device_reset_handler : NULL,       \
 285     eh_bus_reset_handler : NULL,          \
 286     eh_host_reset_handler : ips_eh_reset, \
 287     abort : ips_abort,                    \
 288     reset : ips_reset,                    \
 289     slave_attach : NULL,                  \
 290     bios_param : ips_biosparam,           \
 291     can_queue : 0,                        \
 292     this_id: -1,                          \
 293     sg_tablesize : MAX_SG_ELEMENTS,       \
 294     cmd_per_lun: 16,                      \
 295     present : 0,                          \
 296     unchecked_isa_dma : 0,                \
 297     use_clustering : ENABLE_CLUSTERING,   \
 298     use_new_eh_code : 1                   \
 299  }
 300
 301 /*
 302  * IBM PCI Raid Command Formats
 303  */
 304 typedef struct {
 305    u8        op_code;
 306    u8        command_id;
 307    u8        log_drv;
 308    u8        sg_count;
 309    u32       lba;
 310    u32       sg_addr;
 311    u16       sector_count;
 312    u16       reserved;
 313    u32       ccsar;
 314    u32       cccr;
 315 } BASIC_IO_CMD, *PBASIC_IO_CMD;
 316
 317 typedef struct {
 318    u8        op_code;
 319    u8        command_id;
 320    u16       reserved;
 321    u32       reserved2;
 322    u32       buffer_addr;
 323    u32       reserved3;
 324    u32       ccsar;
 325    u32       cccr;
 326 } LOGICAL_INFO, *PLOGICAL_INFO;
 327
 328 typedef struct {
 329    u8        op_code;
 330    u8        command_id;
 331    u8        reserved;
 332    u8        reserved2;
 333    u32       reserved3;
 334    u32       buffer_addr;
 335    u32       reserved4;
 336 } IOCTL_INFO, *PIOCTL_INFO;
 337
 338 typedef struct {
 339    u8        op_code;
 340    u8        command_id;
 341    u16       reserved;
 342    u32       reserved2;
 343    u32       dcdb_address;
 344    u32       reserved3;
 345    u32       ccsar;
 346    u32       cccr;
 347 } DCDB_CMD, *PDCDB_CMD;
 348
 349 typedef struct {
 350    u8        op_code;
 351    u8        command_id;
 352    u8        channel;
 353    u8        source_target;
 354    u32       reserved;
 355    u32       reserved2;
 356    u32       reserved3;
 357    u32       ccsar;
 358    u32       cccr;
 359 } CONFIG_SYNC_CMD, *PCONFIG_SYNC_CMD;
 360
 361 typedef struct {
 362    u8        op_code;
 363    u8        command_id;
 364    u8        log_drv;
 365    u8        control;
 366    u32       reserved;
 367    u32       reserved2;
 368    u32       reserved3;
 369    u32       ccsar;
 370    u32       cccr;
 371 } UNLOCK_STRIPE_CMD, *PUNLOCK_STRIPE_CMD;
 372
 373 typedef struct {
 374    u8        op_code;
 375    u8        command_id;
 376    u8        reserved;
 377    u8        state;
 378    u32       reserved2;
 379    u32       reserved3;
 380    u32       reserved4;
 381    u32       ccsar;
 382    u32       cccr;
 383 } FLUSH_CACHE_CMD, *PFLUSH_CACHE_CMD;
 384
 385 typedef struct {
 386    u8        op_code;
 387    u8        command_id;
 388    u8        reserved;
 389    u8        desc;
 390    u32       reserved2;
 391    u32       buffer_addr;
 392    u32       reserved3;
 393    u32       ccsar;
 394    u32       cccr;
 395 } STATUS_CMD, *PSTATUS_CMD;
 396
 397 typedef struct {
 398    u8        op_code;
 399    u8        command_id;
 400    u8        page;
 401    u8        write;
 402    u32       reserved;
 403    u32       buffer_addr;
 404    u32       reserved2;
 405    u32       ccsar;
 406    u32       cccr;
 407 } NVRAM_CMD, *PNVRAM_CMD;
 408
 409 typedef union {
 410    BASIC_IO_CMD      basic_io;
 411    LOGICAL_INFO      logical_info;
 412    IOCTL_INFO        ioctl_info;
 413    DCDB_CMD          dcdb;
 414    CONFIG_SYNC_CMD   config_sync;
 415    UNLOCK_STRIPE_CMD unlock_stripe;
 416    FLUSH_CACHE_CMD   flush_cache;
 417    STATUS_CMD        status;
 418    NVRAM_CMD         nvram;
 419 } HOST_COMMAND, *PHOST_COMMAND;
 420
 421 typedef struct {
 422    u8         logical_id;
 423    u8         reserved;
 424    u8         raid_level;
 425    u8         state;
 426    u32        sector_count;
 427 } DRIVE_INFO, *PDRIVE_INFO;
 428
 429 typedef struct {
 430    u8         no_of_log_drive;
 431    u8         reserved[3];
 432    DRIVE_INFO drive_info[MAX_LOGICAL_DRIVES];
 433 } LOGICAL_DRIVE_INFO, *PLOGICAL_DRIVE_INFO;
 434
 435 typedef struct {
 436    u8        ha_num;
 437    u8        bus_num;
 438    u8        id;
 439    u8        device_type;
 440    u32       data_len;
 441    u32       data_ptr;
 442    u8        scsi_cdb[12];
 443    u32       data_counter;
 444    u32       block_size;
 445 } NON_DISK_DEVICE_INFO, *PNON_DISK_DEVICE_INFO;
 446
 447 typedef struct {
 448    u8         device_address;
 449    u8         cmd_attribute;
 450    u16        transfer_length;
 451    u32        buffer_pointer;
 452    u8         cdb_length;
 453    u8         sense_length;
 454    u8         sg_count;
 455    u8         reserved;
 456    u8         scsi_cdb[12];
 457    u8         sense_info[64];
 458    u8         scsi_status;
 459    u8         reserved2[3];
 460 } DCDB_TABLE, *PDCDB_TABLE;
 461
 462 typedef struct {
 463    volatile u8      reserved;
 464    volatile u8      command_id;
 465    volatile u8      basic_status;
 466    volatile u8      extended_status;
 467 } STATUS, *PSTATUS;
 468
 469 typedef struct {
 470    STATUS               status[MAX_CMDS + 1];
 471    volatile PSTATUS     p_status_start;
 472    volatile PSTATUS     p_status_end;
 473    volatile PSTATUS     p_status_tail;
 474    volatile u32         hw_status_start;
 475    volatile u32         hw_status_tail;
 476    LOGICAL_DRIVE_INFO   logical_drive_info;
 477 } ADAPTER_AREA, *PADAPTER_AREA;
 478
 479 typedef struct {
 480    u8        ucLogDriveCount;
 481    u8        ucMiscFlag;
 482    u8        ucSLTFlag;
 483    u8        ucBSTFlag;
 484    u8        ucPwrChgCnt;
 485    u8        ucWrongAdrCnt;
 486    u8        ucUnidentCnt;
 487    u8        ucNVramDevChgCnt;
 488    u8        CodeBlkVersion[8];
 489    u8        BootBlkVersion[8];
 490    u32       ulDriveSize[MAX_LOGICAL_DRIVES];
 491    u8        ucConcurrentCmdCount;
 492    u8        ucMaxPhysicalDevices;
 493    u16       usFlashRepgmCount;
 494    u8        ucDefunctDiskCount;
 495    u8        ucRebuildFlag;
 496    u8        ucOfflineLogDrvCount;
 497    u8        ucCriticalDrvCount;
 498    u16       usConfigUpdateCount;
 499    u8        ucBlkFlag;
 500    u8        reserved;
 501    u16       usAddrDeadDisk[MAX_CHANNELS * MAX_TARGETS];
 502 } ENQCMD, *PENQCMD;
 503
 504 typedef struct {
 505    u8        ucInitiator;
 506    u8        ucParameters;
 507    u8        ucMiscFlag;
 508    u8        ucState;
 509    u32       ulBlockCount;
 510    u8        ucDeviceId[28];
 511 } DEVSTATE, *PDEVSTATE;
 512
 513 typedef struct {
 514    u8        ucChn;
 515    u8        ucTgt;
 516    u16       ucReserved;
 517    u32       ulStartSect;
 518    u32       ulNoOfSects;
 519 } CHUNK, *PCHUNK;
 520
 521 typedef struct {
 522    u16       ucUserField;
 523    u8        ucState;
 524    u8        ucRaidCacheParam;
 525    u8        ucNoOfChunkUnits;
 526    u8        ucStripeSize;
 527    u8        ucParams;
 528    u8        ucReserved;
 529    u32       ulLogDrvSize;
 530    CHUNK     chunk[MAX_CHUNKS];
 531 } LOGICAL_DRIVE, *PLOGICAL_DRIVE;
 532
 533 typedef struct {
 534    u8        board_disc[8];
 535    u8        processor[8];
 536    u8        ucNoChanType;
 537    u8        ucNoHostIntType;
 538    u8        ucCompression;
 539    u8        ucNvramType;
 540    u32       ulNvramSize;
 541 } HARDWARE_DISC, *PHARDWARE_DISC;
 542
 543 typedef struct {
 544    u8             ucLogDriveCount;
 545    u8             ucDateD;
 546    u8             ucDateM;
 547    u8             ucDateY;
 548    u8             init_id[4];
 549    u8             host_id[12];
 550    u8             time_sign[8];
 551
 552    struct {
 553       u32         usCfgDrvUpdateCnt:16;
 554       u32         ConcurDrvStartCnt:4;
 555       u32         StartupDelay:4;
 556       u32         auto_rearrange:1;
 557       u32         cd_boot:1;
 558       u32         cluster:1;
 559       u32         reserved:5;
 560    } UserOpt;
 561
 562    u16            user_field;
 563    u8             ucRebuildRate;
 564    u8             ucReserve;
 565    HARDWARE_DISC  hardware_disc;
 566    LOGICAL_DRIVE  logical_drive[MAX_LOGICAL_DRIVES];
 567    DEVSTATE       dev[MAX_CHANNELS][MAX_TARGETS+1];
 568    u8             reserved[512];
 569
 570 } CONFCMD, *PCONFCMD;
 571
 572 typedef struct {
 573    u32        signature;
 574    u8         reserved;
 575    u8         adapter_slot;
 576    u16        adapter_type;
 577    u8         bios_high[4];
 578    u8         bios_low[4];
 579    u16        reserved2;
 580    u8         reserved3;
 581    u8         operating_system;
 582    u8         driver_high[4];
 583    u8         driver_low[4];
 584    u8         reserved4[100];
 585 } NVRAM_PAGE5, *PNVRAM_PAGE5;
 586
 587 typedef struct _SUBSYS_PARAM {
 588    u32        param[128];
 589 } SUBSYS_PARAM, *PSUBSYS_PARAM;
 590
 591 /*
 592  * Inquiry Data Format
 593  */
 594 typedef struct {
 595    u8        DeviceType:5;
 596    u8        DeviceTypeQualifier:3;
 597    u8        DeviceTypeModifier:7;
 598    u8        RemoveableMedia:1;
 599    u8        Versions;
 600    u8        ResponseDataFormat;
 601    u8        AdditionalLength;
 602    u16       Reserved;
 603    u8        SoftReset:1;
 604    u8        CommandQueue:1;
 605    u8        Reserved2:1;
 606    u8        LinkedCommands:1;
 607    u8        Synchronous:1;
 608    u8        Wide16Bit:1;
 609    u8        Wide32Bit:1;
 610    u8        RelativeAddressing:1;
 611    u8        VendorId[8];
 612    u8        ProductId[16];
 613    u8        ProductRevisionLevel[4];
 614    u8        VendorSpecific[20];
 615    u8        Reserved3[40];
 616 } INQUIRYDATA, *PINQUIRYDATA;
 617
 618 /*
 619  * Read Capacity Data Format
 620  */
 621 typedef struct {
 622    u32       lba;
 623    u32       len;
 624 } CAPACITY_T;
 625
 626 /*
 627  * Sense Data Format
 628  */
 629 typedef struct {
 630    u8        pg_pc:6;       /* Page Code                    */
 631    u8        pg_res1:2;     /* Reserved                     */
 632    u8        pg_len;        /* Page Length                  */
 633    u16       pg_trk_z;      /* Tracks per zone              */
 634    u16       pg_asec_z;     /* Alternate sectors per zone   */
 635    u16       pg_atrk_z;     /* Alternate tracks per zone    */
 636    u16       pg_atrk_v;     /* Alternate tracks per volume  */
 637    u16       pg_sec_t;      /* Sectors per track            */
 638    u16       pg_bytes_s;    /* Bytes per physical sectors   */
 639    u16       pg_intl;       /* Interleave                   */
 640    u16       pg_trkskew;    /* Track skew factor            */
 641    u16       pg_cylskew;    /* Cylinder Skew Factor         */
 642    u32       pg_res2:27;    /* Reserved                     */
 643    u32       pg_ins:1;      /* Inhibit Slave                */
 644    u32       pg_surf:1;     /* Allocate Surface Sectors     */
 645    u32       pg_rmb:1;      /* Removeable                   */
 646    u32       pg_hsec:1;     /* Hard sector formatting       */
 647    u32       pg_ssec:1;     /* Soft sector formatting       */
 648 } DADF_T;
 649
 650 typedef struct {
 651    u8        pg_pc:6;        /* Page Code                     */
 652    u8        pg_res1:2;      /* Reserved                      */
 653    u8        pg_len;         /* Page Length                   */
 654    u16       pg_cylu;        /* Number of cylinders (upper)   */
 655    u8        pg_cyll;        /* Number of cylinders (lower)   */
 656    u8        pg_head;        /* Number of heads               */
 657    u16       pg_wrpcompu;    /* Write precomp (upper)         */
 658    u32       pg_wrpcompl:8;  /* Write precomp (lower)         */
 659    u32       pg_redwrcur:24; /* Reduced write current         */
 660    u32       pg_drstep:16;   /* Drive step rate               */
 661    u32       pg_landu:16;    /* Landing zone cylinder (upper) */
 662    u32       pg_landl:8;     /* Landing zone cylinder (lower) */
 663    u32       pg_res2:24;     /* Reserved                      */
 664 } RDDG_T;
 665
 666 struct blk_desc {
 667    u8       bd_dencode;
 668    u8       bd_nblks1;
 669    u8       bd_nblks2;
 670    u8       bd_nblks3;
 671    u8       bd_res;
 672    u8       bd_blen1;
 673    u8       bd_blen2;
 674    u8       bd_blen3;
 675 };
 676
 677 typedef struct {
 678    u8       plh_len;   /* Data length             */
 679    u8       plh_type;  /* Medium type             */
 680    u8       plh_res:7; /* Reserved                */
 681    u8       plh_wp:1;  /* Write protect           */
 682    u8       plh_bdl;   /* Block descriptor length */
 683 } SENSE_PLH_T;
 684
 685 typedef struct {
 686    SENSE_PLH_T     plh;
 687    struct blk_desc blk_desc;
 688
 689    union {
 690       DADF_T        pg3;
 691       RDDG_T        pg4;
 692    } pdata;
 693 } ips_mdata_t;
 694
 695 /*
 696  * Scatter Gather list format
 697  */
 698 typedef struct ips_sglist {
 699    u32       address;
 700    u32       length;
 701 } SG_LIST, *PSG_LIST;
 702
 703 typedef struct _INFOSTR {
 704    char *buffer;
 705    int   length;
 706    int   offset;
 707    int   pos;
 708 } INFOSTR;
 709
 710 /*
 711  * Status Info
 712  */
 713 typedef struct ips_stat {
 714    u32       residue_len;
 715    u32       scb_addr;
 716 } ips_stat_t;
 717
 718 /*
 719  * SCB Queue Format
 720  */
 721 typedef struct ips_scb_queue {
 722    struct ips_scb *head;
 723    struct ips_scb *tail;
 724    unsigned int    count;
 725 } ips_scb_queue_t;
 726
 727 /*
 728  * Wait queue_format
 729  */
 730 typedef struct ips_wait_queue {
 731    Scsi_Cmnd      *head;
 732    Scsi_Cmnd      *tail;
 733    unsigned int    count;
 734 } ips_wait_queue_t;
 735
 736 typedef struct ips_ha {
 737    u8                 ha_id[MAX_CHANNELS+1];
 738    u32                io_addr;            /* Base I/O address           */
 739    u8                 irq;                /* IRQ for adapter            */
 740    u8                 ntargets;           /* Number of targets          */
 741    u8                 nbus;               /* Number of buses            */
 742    u8                 nlun;               /* Number of Luns             */
 743    u16                ad_type;            /* Adapter type               */
 744    u16                host_num;           /* Adapter number             */
 745    u32                max_xfer;           /* Maximum Xfer size          */
 746    u32                max_cmds;           /* Max concurrent commands    */
 747    u32                num_ioctl;          /* Number of Ioctls           */
 748    ips_stat_t         sp;                 /* Status packer pointer      */
 749    struct ips_scb    *scbs;               /* Array of all CCBS          */
 750    struct ips_scb    *scb_freelist;       /* SCB free list              */
 751    ips_wait_queue_t   scb_waitlist;       /* Pending SCB list           */
 752    ips_wait_queue_t   copp_waitlist;      /* Pending PT list            */
 753    ips_scb_queue_t    scb_activelist;     /* Active SCB list            */
 754    BASIC_IO_CMD      *dummy;              /* dummy command              */
 755    ADAPTER_AREA      *adapt;              /* Adapter status area        */
 756    ENQCMD            *enq;                /* Adapter Enquiry data       */
 757    CONFCMD           *conf;               /* Adapter config data        */
 758    NVRAM_PAGE5       *nvram;              /* NVRAM page 5 data          */
 759    SUBSYS_PARAM      *subsys;             /* Subsystem parameters       */
 760    u32                cmd_in_progress;    /* Current command in progress*/
 761    u32                flags;              /* HA flags                   */
 762    u8                 waitflag;           /* are we waiting for cmd     */
 763    u8                 active;
 764    u32                reserved:16;        /* reserved space             */
 765    wait_queue_head_t  copp_queue;         /* passthru sync queue        */
 766
 767    #if LINUX_VERSION_CODE >= LinuxVersionCode(2,1,0)
 768    spinlock_t         scb_lock;
 769    spinlock_t         copp_lock;
 770    #endif
 771 } ips_ha_t;
 772
 773 typedef void (*scb_callback) (ips_ha_t *, struct ips_scb *);
 774
 775 /*
 776  * SCB Format
 777  */
 778 typedef struct ips_scb {
 779    HOST_COMMAND      cmd;
 780    DCDB_TABLE        dcdb;
 781    u8                target_id;
 782    u8                bus;
 783    u8                lun;
 784    u8                cdb[12];
 785    u32               scb_busaddr;
 786    u32               data_busaddr;
 787    u32               timeout;
 788    u8                basic_status;
 789    u8                extended_status;
 790    u16               breakup;
 791    u32               data_len;
 792    u32               sg_len;
 793    u32               flags;
 794    u32               op_code;
 795    SG_LIST          *sg_list;
 796    Scsi_Cmnd        *scsi_cmd;
 797    struct ips_scb   *q_next;
 798    scb_callback      callback;
 799 } ips_scb_t;
 800
 801 /*
 802  * Passthru Command Format
 803  */
 804 typedef struct {
 805    u8         CoppID[4];
 806    u32        CoppCmd;
 807    u32        PtBuffer;
 808    u8        *CmdBuffer;
 809    u32        CmdBSize;
 810    ips_scb_t  CoppCP;
 811    u32        TimeOut;
 812    u8         BasicStatus;
 813    u8         ExtendedStatus;
 814    u16        reserved;
 815 } ips_passthru_t;
 816
 817 #endif
 818
 819
 820
 821 /*
 822  * Overrides for Emacs so that we almost follow Linus's tabbing style.
 823  * Emacs will notice this stuff at the end of the file and automatically
 824  * adjust the settings for this buffer only.  This must remain at the end
 825  * of the file.
 826  * ---------------------------------------------------------------------------
 827  * Local variables:
 828  * c-indent-level: 2
 829  * c-brace-imaginary-offset: 0
 830  * c-brace-offset: -2
 831  * c-argdecl-indent: 2
 832  * c-label-offset: -2
 833  * c-continued-statement-offset: 2
 834  * c-continued-brace-offset: 0
 835  * indent-tabs-mode: nil
 836  * tab-width: 8
 837  * End:
 838  */