The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_all.h

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    1 /*-
    2  * Largely written by Julian Elischer (julian@tfs.com)
    3  * for TRW Financial Systems.
    4  *
    5  * TRW Financial Systems, in accordance with their agreement with Carnegie
    6  * Mellon University, makes this software available to CMU to distribute
    7  * or use in any manner that they see fit as long as this message is kept with
    8  * the software. For this reason TFS also grants any other persons or
    9  * organisations permission to use or modify this software.
   10  *
   11  * TFS supplies this software to be publicly redistributed
   12  * on the understanding that TFS is not responsible for the correct
   13  * functioning of this software in any circumstances.
   14  *
   15  * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
   16  *
   17  * $FreeBSD$
   18  */
   19 
   20 /*
   21  * SCSI general  interface description
   22  */
   23 
   24 #ifndef _SCSI_SCSI_ALL_H
   25 #define _SCSI_SCSI_ALL_H 1
   26 
   27 #include <sys/cdefs.h>
   28 
   29 #ifdef _KERNEL
   30 /*
   31  * This is the number of seconds we wait for devices to settle after a SCSI
   32  * bus reset.
   33  */
   34 extern int scsi_delay;
   35 #endif /* _KERNEL */
   36 
   37 /*
   38  * SCSI command format
   39  */
   40 
   41 /*
   42  * Define dome bits that are in ALL (or a lot of) scsi commands
   43  */
   44 #define SCSI_CTL_LINK           0x01
   45 #define SCSI_CTL_FLAG           0x02
   46 #define SCSI_CTL_VENDOR         0xC0
   47 #define SCSI_CMD_LUN            0xA0    /* these two should not be needed */
   48 #define SCSI_CMD_LUN_SHIFT      5       /* LUN in the cmd is no longer SCSI */
   49 
   50 #define SCSI_MAX_CDBLEN         16      /* 
   51                                          * 16 byte commands are in the 
   52                                          * SCSI-3 spec 
   53                                          */
   54 #if defined(CAM_MAX_CDBLEN) && (CAM_MAX_CDBLEN < SCSI_MAX_CDBLEN)
   55 #error "CAM_MAX_CDBLEN cannot be less than SCSI_MAX_CDBLEN"
   56 #endif
   57 
   58 /* 6byte CDBs special case 0 length to be 256 */
   59 #define SCSI_CDB6_LEN(len)      ((len) == 0 ? 256 : len)
   60 
   61 /*
   62  * This type defines actions to be taken when a particular sense code is
   63  * received.  Right now, these flags are only defined to take up 16 bits,
   64  * but can be expanded in the future if necessary.
   65  */
   66 typedef enum {
   67         SS_NOP      = 0x000000, /* Do nothing */
   68         SS_RETRY    = 0x010000, /* Retry the command */
   69         SS_FAIL     = 0x020000, /* Bail out */
   70         SS_START    = 0x030000, /* Send a Start Unit command to the device,
   71                                  * then retry the original command.
   72                                  */
   73         SS_TUR      = 0x040000, /* Send a Test Unit Ready command to the
   74                                  * device, then retry the original command.
   75                                  */
   76         SS_REQSENSE = 0x050000, /* Send a RequestSense command to the
   77                                  * device, then retry the original command.
   78                                  */
   79         SS_MASK     = 0xff0000
   80 } scsi_sense_action;
   81 
   82 typedef enum {
   83         SSQ_NONE                = 0x0000,
   84         SSQ_DECREMENT_COUNT     = 0x0100,  /* Decrement the retry count */
   85         SSQ_MANY                = 0x0200,  /* send lots of recovery commands */
   86         SSQ_RANGE               = 0x0400,  /*
   87                                             * This table entry represents the
   88                                             * end of a range of ASCQs that
   89                                             * have identical error actions
   90                                             * and text.
   91                                             */
   92         SSQ_PRINT_SENSE         = 0x0800,
   93         SSQ_MASK                = 0xff00
   94 } scsi_sense_action_qualifier;
   95 
   96 /* Mask for error status values */
   97 #define SS_ERRMASK      0xff
   98 
   99 /* The default, retyable, error action */
  100 #define SS_RDEF         SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE|EIO
  101 
  102 /* The retyable, error action, with table specified error code */
  103 #define SS_RET          SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE
  104 
  105 /* Fatal error action, with table specified error code */
  106 #define SS_FATAL        SS_FAIL|SSQ_PRINT_SENSE
  107 
  108 struct scsi_generic
  109 {
  110         u_int8_t opcode;
  111         u_int8_t bytes[11];
  112 };
  113 
  114 struct scsi_request_sense
  115 {
  116         u_int8_t opcode;
  117         u_int8_t byte2;
  118         u_int8_t unused[2];
  119         u_int8_t length;
  120         u_int8_t control;
  121 };
  122 
  123 struct scsi_test_unit_ready
  124 {
  125         u_int8_t opcode;
  126         u_int8_t byte2;
  127         u_int8_t unused[3];
  128         u_int8_t control;
  129 };
  130 
  131 struct scsi_send_diag
  132 {
  133         u_int8_t opcode;
  134         u_int8_t byte2;
  135 #define SSD_UOL         0x01
  136 #define SSD_DOL         0x02
  137 #define SSD_SELFTEST    0x04
  138 #define SSD_PF          0x10
  139         u_int8_t unused[1];
  140         u_int8_t paramlen[2];
  141         u_int8_t control;
  142 };
  143 
  144 struct scsi_sense
  145 {
  146         u_int8_t opcode;
  147         u_int8_t byte2;
  148         u_int8_t unused[2];
  149         u_int8_t length;
  150         u_int8_t control;
  151 };
  152 
  153 struct scsi_inquiry
  154 {
  155         u_int8_t opcode;
  156         u_int8_t byte2;
  157 #define SI_EVPD 0x01
  158         u_int8_t page_code;
  159         u_int8_t reserved;
  160         u_int8_t length;
  161         u_int8_t control;
  162 };
  163 
  164 struct scsi_mode_sense_6
  165 {
  166         u_int8_t opcode;
  167         u_int8_t byte2;
  168 #define SMS_DBD                         0x08
  169         u_int8_t page;
  170 #define SMS_PAGE_CODE                   0x3F
  171 #define SMS_VENDOR_SPECIFIC_PAGE        0x00
  172 #define SMS_DISCONNECT_RECONNECT_PAGE   0x02
  173 #define SMS_CACHE_PAGE                  0x08
  174 #define SMS_PERIPHERAL_DEVICE_PAGE      0x09
  175 #define SMS_CONTROL_MODE_PAGE           0x0A
  176 #define SMS_PROTO_SPECIFIC_PAGE         0x19
  177 #define SMS_INFO_EXCEPTIONS_PAGE        0x1C
  178 #define SMS_ALL_PAGES_PAGE              0x3F
  179 #define SMS_PAGE_CTRL_MASK              0xC0
  180 #define SMS_PAGE_CTRL_CURRENT           0x00
  181 #define SMS_PAGE_CTRL_CHANGEABLE        0x40
  182 #define SMS_PAGE_CTRL_DEFAULT           0x80
  183 #define SMS_PAGE_CTRL_SAVED             0xC0
  184         u_int8_t unused;
  185         u_int8_t length;
  186         u_int8_t control;
  187 };
  188 
  189 struct scsi_mode_sense_10
  190 {
  191         u_int8_t opcode;
  192         u_int8_t byte2;         /* same bits as small version */
  193         u_int8_t page;          /* same bits as small version */
  194         u_int8_t unused[4];
  195         u_int8_t length[2];
  196         u_int8_t control;
  197 };
  198 
  199 struct scsi_mode_select_6
  200 {
  201         u_int8_t opcode;
  202         u_int8_t byte2;
  203 #define SMS_SP  0x01
  204 #define SMS_PF  0x10
  205         u_int8_t unused[2];
  206         u_int8_t length;
  207         u_int8_t control;
  208 };
  209 
  210 struct scsi_mode_select_10
  211 {
  212         u_int8_t opcode;
  213         u_int8_t byte2;         /* same bits as small version */
  214         u_int8_t unused[5];
  215         u_int8_t length[2];
  216         u_int8_t control;
  217 };
  218 
  219 /*
  220  * When sending a mode select to a tape drive, the medium type must be 0.
  221  */
  222 struct scsi_mode_hdr_6
  223 {
  224         u_int8_t datalen;
  225         u_int8_t medium_type;
  226         u_int8_t dev_specific;
  227         u_int8_t block_descr_len;
  228 };
  229 
  230 struct scsi_mode_hdr_10
  231 {
  232         u_int8_t datalen[2];
  233         u_int8_t medium_type;
  234         u_int8_t dev_specific;
  235         u_int8_t reserved[2];
  236         u_int8_t block_descr_len[2];
  237 };
  238 
  239 struct scsi_mode_block_descr
  240 {
  241         u_int8_t density_code;
  242         u_int8_t num_blocks[3];
  243         u_int8_t reserved;
  244         u_int8_t block_len[3];
  245 };
  246 
  247 struct scsi_log_sense
  248 {
  249         u_int8_t opcode;
  250         u_int8_t byte2;
  251 #define SLS_SP                          0x01
  252 #define SLS_PPC                         0x02
  253         u_int8_t page;
  254 #define SLS_PAGE_CODE                   0x3F
  255 #define SLS_ALL_PAGES_PAGE              0x00
  256 #define SLS_OVERRUN_PAGE                0x01
  257 #define SLS_ERROR_WRITE_PAGE            0x02
  258 #define SLS_ERROR_READ_PAGE             0x03
  259 #define SLS_ERROR_READREVERSE_PAGE      0x04
  260 #define SLS_ERROR_VERIFY_PAGE           0x05
  261 #define SLS_ERROR_NONMEDIUM_PAGE        0x06
  262 #define SLS_ERROR_LASTN_PAGE            0x07
  263 #define SLS_SELF_TEST_PAGE              0x10
  264 #define SLS_IE_PAGE                     0x2f
  265 #define SLS_PAGE_CTRL_MASK              0xC0
  266 #define SLS_PAGE_CTRL_THRESHOLD         0x00
  267 #define SLS_PAGE_CTRL_CUMULATIVE        0x40
  268 #define SLS_PAGE_CTRL_THRESH_DEFAULT    0x80
  269 #define SLS_PAGE_CTRL_CUMUL_DEFAULT     0xC0
  270         u_int8_t reserved[2];
  271         u_int8_t paramptr[2];
  272         u_int8_t length[2];
  273         u_int8_t control;
  274 };
  275 
  276 struct scsi_log_select
  277 {
  278         u_int8_t opcode;
  279         u_int8_t byte2;
  280 /*      SLS_SP                          0x01 */
  281 #define SLS_PCR                         0x02
  282         u_int8_t page;
  283 /*      SLS_PAGE_CTRL_MASK              0xC0 */
  284 /*      SLS_PAGE_CTRL_THRESHOLD         0x00 */
  285 /*      SLS_PAGE_CTRL_CUMULATIVE        0x40 */
  286 /*      SLS_PAGE_CTRL_THRESH_DEFAULT    0x80 */
  287 /*      SLS_PAGE_CTRL_CUMUL_DEFAULT     0xC0 */
  288         u_int8_t reserved[4];
  289         u_int8_t length[2];
  290         u_int8_t control;
  291 };
  292 
  293 struct scsi_log_header
  294 {
  295         u_int8_t page;
  296         u_int8_t reserved;
  297         u_int8_t datalen[2];
  298 };
  299 
  300 struct scsi_log_param_header {
  301         u_int8_t param_code[2];
  302         u_int8_t param_control;
  303 #define SLP_LP                          0x01
  304 #define SLP_LBIN                        0x02
  305 #define SLP_TMC_MASK                    0x0C
  306 #define SLP_TMC_ALWAYS                  0x00
  307 #define SLP_TMC_EQUAL                   0x04
  308 #define SLP_TMC_NOTEQUAL                0x08
  309 #define SLP_TMC_GREATER                 0x0C
  310 #define SLP_ETC                         0x10
  311 #define SLP_TSD                         0x20
  312 #define SLP_DS                          0x40
  313 #define SLP_DU                          0x80
  314         u_int8_t param_len;
  315 };
  316 
  317 struct scsi_control_page {
  318         u_int8_t page_code;
  319         u_int8_t page_length;
  320         u_int8_t rlec;
  321 #define SCB_RLEC                        0x01    /*Report Log Exception Cond*/
  322         u_int8_t queue_flags;
  323 #define SCP_QUEUE_ALG_MASK              0xF0
  324 #define SCP_QUEUE_ALG_RESTRICTED        0x00
  325 #define SCP_QUEUE_ALG_UNRESTRICTED      0x10
  326 #define SCP_QUEUE_ERR                   0x02    /*Queued I/O aborted for CACs*/
  327 #define SCP_QUEUE_DQUE                  0x01    /*Queued I/O disabled*/
  328         u_int8_t eca_and_aen;
  329 #define SCP_EECA                        0x80    /*Enable Extended CA*/
  330 #define SCP_RAENP                       0x04    /*Ready AEN Permission*/
  331 #define SCP_UAAENP                      0x02    /*UA AEN Permission*/
  332 #define SCP_EAENP                       0x01    /*Error AEN Permission*/
  333         u_int8_t reserved;
  334         u_int8_t aen_holdoff_period[2];
  335 };
  336 
  337 struct scsi_cache_page {
  338         u_int8_t page_code;
  339 #define SCHP_PAGE_SAVABLE               0x80    /* Page is savable */
  340         u_int8_t page_length;
  341         u_int8_t cache_flags;
  342 #define SCHP_FLAGS_WCE                  0x04    /* Write Cache Enable */
  343 #define SCHP_FLAGS_MF                   0x02    /* Multiplication factor */
  344 #define SCHP_FLAGS_RCD                  0x01    /* Read Cache Disable */
  345         u_int8_t rw_cache_policy;
  346         u_int8_t dis_prefetch[2];
  347         u_int8_t min_prefetch[2];
  348         u_int8_t max_prefetch[2];
  349         u_int8_t max_prefetch_ceil[2];
  350 };
  351 
  352 struct scsi_info_exceptions_page {
  353         u_int8_t page_code;
  354 #define SIEP_PAGE_SAVABLE               0x80    /* Page is savable */
  355         u_int8_t page_length;
  356         u_int8_t info_flags;
  357 #define SIEP_FLAGS_PERF                 0x80
  358 #define SIEP_FLAGS_EBF                  0x20
  359 #define SIEP_FLAGS_EWASC                0x10
  360 #define SIEP_FLAGS_DEXCPT               0x08
  361 #define SIEP_FLAGS_TEST                 0x04
  362 #define SIEP_FLAGS_EBACKERR             0x02
  363 #define SIEP_FLAGS_LOGERR               0x01
  364         u_int8_t mrie;
  365         u_int8_t interval_timer[4];
  366         u_int8_t report_count[4];
  367 };
  368 
  369 struct scsi_proto_specific_page {
  370         u_int8_t page_code;
  371 #define SPSP_PAGE_SAVABLE               0x80    /* Page is savable */
  372         u_int8_t page_length;
  373         u_int8_t protocol;
  374 #define SPSP_PROTO_FC                   0x00
  375 #define SPSP_PROTO_SPI                  0x01
  376 #define SPSP_PROTO_SSA                  0x02
  377 #define SPSP_PROTO_1394                 0x03
  378 #define SPSP_PROTO_RDMA                 0x04
  379 #define SPSP_PROTO_ISCSI                0x05
  380 #define SPSP_PROTO_SAS                  0x06
  381 #define SPSP_PROTO_ADT                  0x07
  382 #define SPSP_PROTO_ATA                  0x08
  383 #define SPSP_PROTO_NONE                 0x0f
  384 };
  385 
  386 struct scsi_reserve
  387 {
  388         u_int8_t opcode;
  389         u_int8_t byte2;
  390         u_int8_t unused[2];
  391         u_int8_t length;
  392         u_int8_t control;
  393 };
  394 
  395 struct scsi_release
  396 {
  397         u_int8_t opcode;
  398         u_int8_t byte2;
  399         u_int8_t unused[2];
  400         u_int8_t length;
  401         u_int8_t control;
  402 };
  403 
  404 struct scsi_prevent
  405 {
  406         u_int8_t opcode;
  407         u_int8_t byte2;
  408         u_int8_t unused[2];
  409         u_int8_t how;
  410         u_int8_t control;
  411 };
  412 #define PR_PREVENT 0x01
  413 #define PR_ALLOW   0x00
  414 
  415 struct scsi_sync_cache
  416 {
  417         u_int8_t opcode;
  418         u_int8_t byte2;
  419         u_int8_t begin_lba[4];
  420         u_int8_t reserved;
  421         u_int8_t lb_count[2];
  422         u_int8_t control;       
  423 };
  424 
  425 
  426 struct scsi_changedef
  427 {
  428         u_int8_t opcode;
  429         u_int8_t byte2;
  430         u_int8_t unused1;
  431         u_int8_t how;
  432         u_int8_t unused[4];
  433         u_int8_t datalen;
  434         u_int8_t control;
  435 };
  436 
  437 struct scsi_read_buffer
  438 {
  439         u_int8_t opcode;
  440         u_int8_t byte2;
  441 #define RWB_MODE                0x07
  442 #define RWB_MODE_HDR_DATA       0x00
  443 #define RWB_MODE_DATA           0x02
  444 #define RWB_MODE_DOWNLOAD       0x04
  445 #define RWB_MODE_DOWNLOAD_SAVE  0x05
  446         u_int8_t buffer_id;
  447         u_int8_t offset[3];
  448         u_int8_t length[3];
  449         u_int8_t control;
  450 };
  451 
  452 struct scsi_write_buffer
  453 {
  454         u_int8_t opcode;
  455         u_int8_t byte2;
  456         u_int8_t buffer_id;
  457         u_int8_t offset[3];
  458         u_int8_t length[3];
  459         u_int8_t control;
  460 };
  461 
  462 struct scsi_rw_6
  463 {
  464         u_int8_t opcode;
  465         u_int8_t addr[3];
  466 /* only 5 bits are valid in the MSB address byte */
  467 #define SRW_TOPADDR     0x1F
  468         u_int8_t length;
  469         u_int8_t control;
  470 };
  471 
  472 struct scsi_rw_10
  473 {
  474         u_int8_t opcode;
  475 #define SRW10_RELADDR   0x01
  476 /* EBP defined for WRITE(10) only */
  477 #define SRW10_EBP       0x04
  478 #define SRW10_FUA       0x08
  479 #define SRW10_DPO       0x10
  480         u_int8_t byte2;
  481         u_int8_t addr[4];
  482         u_int8_t reserved;
  483         u_int8_t length[2];
  484         u_int8_t control;
  485 };
  486 
  487 struct scsi_rw_12
  488 {
  489         u_int8_t opcode;
  490 #define SRW12_RELADDR   0x01
  491 #define SRW12_FUA       0x08
  492 #define SRW12_DPO       0x10
  493         u_int8_t byte2;
  494         u_int8_t addr[4];
  495         u_int8_t length[4];
  496         u_int8_t reserved;
  497         u_int8_t control;
  498 };
  499 
  500 struct scsi_rw_16
  501 {
  502         u_int8_t opcode;
  503 #define SRW16_RELADDR   0x01
  504 #define SRW16_FUA       0x08
  505 #define SRW16_DPO       0x10
  506         u_int8_t byte2;
  507         u_int8_t addr[8];
  508         u_int8_t length[4];
  509         u_int8_t reserved;
  510         u_int8_t control;
  511 };
  512 
  513 struct scsi_start_stop_unit
  514 {
  515         u_int8_t opcode;
  516         u_int8_t byte2;
  517 #define SSS_IMMED               0x01
  518         u_int8_t reserved[2];
  519         u_int8_t how;
  520 #define SSS_START               0x01
  521 #define SSS_LOEJ                0x02
  522         u_int8_t control;
  523 };
  524 
  525 struct ata_pass_12 {
  526         u_int8_t opcode;
  527         u_int8_t protocol;
  528 #define AP_MULTI        0xe0
  529         u_int8_t flags;
  530 #define AP_T_LEN        0x03
  531 #define AP_BB           0x04
  532 #define AP_T_DIR        0x08
  533 #define AP_CK_COND      0x20
  534 #define AP_OFFLINE      0x60
  535         u_int8_t features;
  536         u_int8_t sector_count;
  537         u_int8_t lba_low;
  538         u_int8_t lba_mid;
  539         u_int8_t lba_high;
  540         u_int8_t device;
  541         u_int8_t command;
  542         u_int8_t reserved;
  543         u_int8_t control;
  544 };
  545 
  546 struct ata_pass_16 {
  547         u_int8_t opcode;
  548         u_int8_t protocol;
  549 #define AP_EXTEND       0x01
  550         u_int8_t flags;
  551         u_int8_t features_ext;
  552         u_int8_t features;
  553         u_int8_t sector_count_ext;
  554         u_int8_t sector_count;
  555         u_int8_t lba_low_ext;
  556         u_int8_t lba_low;
  557         u_int8_t lba_mid_ext;
  558         u_int8_t lba_mid;
  559         u_int8_t lba_high_ext;
  560         u_int8_t lba_high;
  561         u_int8_t device;
  562         u_int8_t command;
  563         u_int8_t control;
  564 };
  565 
  566 #define SC_SCSI_1 0x01
  567 #define SC_SCSI_2 0x03
  568 
  569 /*
  570  * Opcodes
  571  */
  572 
  573 #define TEST_UNIT_READY         0x00
  574 #define REQUEST_SENSE           0x03
  575 #define READ_6                  0x08
  576 #define WRITE_6                 0x0a
  577 #define INQUIRY                 0x12
  578 #define MODE_SELECT_6           0x15
  579 #define MODE_SENSE_6            0x1a
  580 #define START_STOP_UNIT         0x1b
  581 #define START_STOP              0x1b
  582 #define RESERVE                 0x16
  583 #define RELEASE                 0x17
  584 #define RECEIVE_DIAGNOSTIC      0x1c
  585 #define SEND_DIAGNOSTIC         0x1d
  586 #define PREVENT_ALLOW           0x1e
  587 #define READ_CAPACITY           0x25
  588 #define READ_10                 0x28
  589 #define WRITE_10                0x2a
  590 #define POSITION_TO_ELEMENT     0x2b
  591 #define SYNCHRONIZE_CACHE       0x35
  592 #define READ_DEFECT_DATA_10     0x37
  593 #define WRITE_BUFFER            0x3b
  594 #define READ_BUFFER             0x3c
  595 #define CHANGE_DEFINITION       0x40
  596 #define LOG_SELECT              0x4c
  597 #define LOG_SENSE               0x4d
  598 #define MODE_SELECT_10          0x55
  599 #define MODE_SENSE_10           0x5A
  600 #define ATA_PASS_16             0x85
  601 #define READ_16                 0x88
  602 #define WRITE_16                0x8a
  603 #define SERVICE_ACTION_IN       0x9e
  604 #define REPORT_LUNS             0xA0
  605 #define ATA_PASS_12             0xa1
  606 #define MOVE_MEDIUM             0xa5
  607 #define READ_12                 0xa8
  608 #define WRITE_12                0xaa
  609 #define READ_ELEMENT_STATUS     0xb8
  610 
  611 
  612 /*
  613  * Device Types
  614  */
  615 #define T_DIRECT        0x00
  616 #define T_SEQUENTIAL    0x01
  617 #define T_PRINTER       0x02
  618 #define T_PROCESSOR     0x03
  619 #define T_WORM          0x04
  620 #define T_CDROM         0x05
  621 #define T_SCANNER       0x06
  622 #define T_OPTICAL       0x07
  623 #define T_CHANGER       0x08
  624 #define T_COMM          0x09
  625 #define T_ASC0          0x0a
  626 #define T_ASC1          0x0b
  627 #define T_STORARRAY     0x0c
  628 #define T_ENCLOSURE     0x0d
  629 #define T_RBC           0x0e
  630 #define T_OCRW          0x0f
  631 #define T_NODEVICE      0x1F
  632 #define T_ANY           0xFF    /* Used in Quirk table matches */
  633 
  634 #define T_REMOV         1
  635 #define T_FIXED         0
  636 
  637 /*
  638  * This length is the initial inquiry length used by the probe code, as    
  639  * well as the legnth necessary for scsi_print_inquiry() to function 
  640  * correctly.  If either use requires a different length in the future, 
  641  * the two values should be de-coupled.
  642  */
  643 #define SHORT_INQUIRY_LENGTH    36
  644 
  645 struct scsi_inquiry_data
  646 {
  647         u_int8_t device;
  648 #define SID_TYPE(inq_data) ((inq_data)->device & 0x1f)
  649 #define SID_QUAL(inq_data) (((inq_data)->device & 0xE0) >> 5)
  650 #define SID_QUAL_LU_CONNECTED   0x00    /*
  651                                          * The specified peripheral device
  652                                          * type is currently connected to
  653                                          * logical unit.  If the target cannot
  654                                          * determine whether or not a physical
  655                                          * device is currently connected, it
  656                                          * shall also use this peripheral
  657                                          * qualifier when returning the INQUIRY
  658                                          * data.  This peripheral qualifier
  659                                          * does not mean that the device is
  660                                          * ready for access by the initiator.
  661                                          */
  662 #define SID_QUAL_LU_OFFLINE     0x01    /*
  663                                          * The target is capable of supporting
  664                                          * the specified peripheral device type
  665                                          * on this logical unit; however, the
  666                                          * physical device is not currently
  667                                          * connected to this logical unit.
  668                                          */
  669 #define SID_QUAL_RSVD           0x02
  670 #define SID_QUAL_BAD_LU         0x03    /*
  671                                          * The target is not capable of
  672                                          * supporting a physical device on
  673                                          * this logical unit. For this
  674                                          * peripheral qualifier the peripheral
  675                                          * device type shall be set to 1Fh to
  676                                          * provide compatibility with previous
  677                                          * versions of SCSI. All other
  678                                          * peripheral device type values are
  679                                          * reserved for this peripheral
  680                                          * qualifier.
  681                                          */
  682 #define SID_QUAL_IS_VENDOR_UNIQUE(inq_data) ((SID_QUAL(inq_data) & 0x08) != 0)
  683         u_int8_t dev_qual2;
  684 #define SID_QUAL2       0x7F
  685 #define SID_IS_REMOVABLE(inq_data) (((inq_data)->dev_qual2 & 0x80) != 0)
  686         u_int8_t version;
  687 #define SID_ANSI_REV(inq_data) ((inq_data)->version & 0x07)
  688 #define         SCSI_REV_0              0
  689 #define         SCSI_REV_CCS            1
  690 #define         SCSI_REV_2              2
  691 #define         SCSI_REV_SPC            3
  692 #define         SCSI_REV_SPC2           4
  693 
  694 #define SID_ECMA        0x38
  695 #define SID_ISO         0xC0
  696         u_int8_t response_format;
  697 #define SID_AENC        0x80
  698 #define SID_TrmIOP      0x40
  699         u_int8_t additional_length;
  700 #define SID_ADDITIONAL_LENGTH(iqd)                                      \
  701         ((iqd)->additional_length +                                     \
  702         offsetof(struct scsi_inquiry_data, additional_length) + 1)
  703         u_int8_t reserved;
  704         u_int8_t spc2_flags;
  705 #define SPC2_SID_MChngr         0x08
  706 #define SPC2_SID_MultiP         0x10
  707 #define SPC2_SID_EncServ        0x40
  708 #define SPC2_SID_BQueue         0x80
  709 
  710 #define INQ_DATA_TQ_ENABLED(iqd)                                \
  711     ((SID_ANSI_REV(iqd) < SCSI_REV_SPC2)? ((iqd)->flags & SID_CmdQue) : \
  712     (((iqd)->flags & SID_CmdQue) && !((iqd)->spc2_flags & SPC2_SID_BQueue)) || \
  713     (!((iqd)->flags & SID_CmdQue) && ((iqd)->spc2_flags & SPC2_SID_BQueue)))
  714 
  715         u_int8_t flags;
  716 #define SID_SftRe       0x01
  717 #define SID_CmdQue      0x02
  718 #define SID_Linked      0x08
  719 #define SID_Sync        0x10
  720 #define SID_WBus16      0x20
  721 #define SID_WBus32      0x40
  722 #define SID_RelAdr      0x80
  723 #define SID_VENDOR_SIZE   8
  724         char     vendor[SID_VENDOR_SIZE];
  725 #define SID_PRODUCT_SIZE  16
  726         char     product[SID_PRODUCT_SIZE];
  727 #define SID_REVISION_SIZE 4
  728         char     revision[SID_REVISION_SIZE];
  729         /*
  730          * The following fields were taken from SCSI Primary Commands - 2
  731          * (SPC-2) Revision 14, Dated 11 November 1999
  732          */
  733 #define SID_VENDOR_SPECIFIC_0_SIZE      20
  734         u_int8_t vendor_specific0[SID_VENDOR_SPECIFIC_0_SIZE];
  735         /*
  736          * An extension of SCSI Parallel Specific Values
  737          */
  738 #define SID_SPI_IUS             0x01
  739 #define SID_SPI_QAS             0x02
  740 #define SID_SPI_CLOCK_ST        0x00
  741 #define SID_SPI_CLOCK_DT        0x04
  742 #define SID_SPI_CLOCK_DT_ST     0x0C
  743 #define SID_SPI_MASK            0x0F
  744         u_int8_t spi3data;
  745         u_int8_t reserved2;
  746         /*
  747          * Version Descriptors, stored 2 byte values.
  748          */
  749         u_int8_t version1[2];
  750         u_int8_t version2[2];
  751         u_int8_t version3[2];
  752         u_int8_t version4[2];
  753         u_int8_t version5[2];
  754         u_int8_t version6[2];
  755         u_int8_t version7[2];
  756         u_int8_t version8[2];
  757 
  758         u_int8_t reserved3[22];
  759 
  760 #define SID_VENDOR_SPECIFIC_1_SIZE      160
  761         u_int8_t vendor_specific1[SID_VENDOR_SPECIFIC_1_SIZE];
  762 };
  763 
  764 struct scsi_vpd_supported_page_list
  765 {
  766         u_int8_t device;
  767         u_int8_t page_code;
  768 #define SVPD_SUPPORTED_PAGE_LIST 0x00
  769         u_int8_t reserved;
  770         u_int8_t length;        /* number of VPD entries */
  771 #define SVPD_SUPPORTED_PAGES_SIZE       251
  772         u_int8_t list[SVPD_SUPPORTED_PAGES_SIZE];
  773 };
  774 
  775 struct scsi_vpd_unit_serial_number
  776 {
  777         u_int8_t device;
  778         u_int8_t page_code;
  779 #define SVPD_UNIT_SERIAL_NUMBER 0x80
  780         u_int8_t reserved;
  781         u_int8_t length; /* serial number length */
  782 #define SVPD_SERIAL_NUM_SIZE 251
  783         u_int8_t serial_num[SVPD_SERIAL_NUM_SIZE];
  784 };
  785 
  786 struct scsi_read_capacity
  787 {
  788         u_int8_t opcode;
  789         u_int8_t byte2;
  790         u_int8_t addr[4];
  791         u_int8_t unused[3];
  792         u_int8_t control;
  793 };
  794 
  795 struct scsi_read_capacity_16
  796 {
  797         uint8_t opcode;
  798 #define SRC16_SERVICE_ACTION    0x10
  799         uint8_t service_action;
  800         uint8_t addr[8];
  801         uint8_t alloc_len[4];
  802 #define SRC16_PMI               0x01
  803 #define SRC16_RELADR            0x02
  804         uint8_t reladr;
  805         uint8_t control;
  806 };
  807 
  808 struct scsi_read_capacity_data
  809 {
  810         u_int8_t addr[4];
  811         u_int8_t length[4];
  812 };
  813 
  814 struct scsi_read_capacity_data_long
  815 {
  816         uint8_t addr[8];
  817         uint8_t length[4];
  818 };
  819 
  820 struct scsi_report_luns
  821 {
  822         uint8_t opcode;
  823         uint8_t reserved1;
  824 #define RPL_REPORT_DEFAULT      0x00
  825 #define RPL_REPORT_WELLKNOWN    0x01
  826 #define RPL_REPORT_ALL          0x02
  827         uint8_t select_report;
  828         uint8_t reserved2[3];
  829         uint8_t length[4];
  830         uint8_t reserved3;
  831         uint8_t control;
  832 };
  833 
  834 struct scsi_report_luns_data {
  835         u_int8_t length[4];     /* length of LUN inventory, in bytes */
  836         u_int8_t reserved[4];   /* unused */
  837         /*
  838          * LUN inventory- we only support the type zero form for now.
  839          */
  840         struct {
  841                 u_int8_t lundata[8];
  842         } luns[0];
  843 };
  844 #define RPL_LUNDATA_PERIPH_BUS_MASK     0x3f
  845 #define RPL_LUNDATA_FLAT_LUN_MASK       0x3f
  846 #define RPL_LUNDATA_LUN_TARG_MASK       0x3f
  847 #define RPL_LUNDATA_LUN_BUS_MASK        0xe0
  848 #define RPL_LUNDATA_LUN_LUN_MASK        0x1f
  849 #define RPL_LUNDATA_EXT_LEN_MASK        0x30
  850 #define RPL_LUNDATA_EXT_EAM_MASK        0x0f
  851 #define RPL_LUNDATA_EXT_EAM_WK          0x01
  852 #define RPL_LUNDATA_EXT_EAM_NOT_SPEC    0x0f
  853 #define RPL_LUNDATA_ATYP_MASK   0xc0    /* MBZ for type 0 lun */
  854 #define RPL_LUNDATA_ATYP_PERIPH 0x00
  855 #define RPL_LUNDATA_ATYP_FLAT   0x40
  856 #define RPL_LUNDATA_ATYP_LUN    0x80
  857 #define RPL_LUNDATA_ATYP_EXTLUN 0xc0
  858 
  859 
  860 struct scsi_sense_data
  861 {
  862         u_int8_t error_code;
  863 #define SSD_ERRCODE                     0x7F
  864 #define         SSD_CURRENT_ERROR       0x70
  865 #define         SSD_DEFERRED_ERROR      0x71
  866 #define SSD_ERRCODE_VALID       0x80    
  867         u_int8_t segment;
  868         u_int8_t flags;
  869 #define SSD_KEY                         0x0F
  870 #define         SSD_KEY_NO_SENSE        0x00
  871 #define         SSD_KEY_RECOVERED_ERROR 0x01
  872 #define         SSD_KEY_NOT_READY       0x02
  873 #define         SSD_KEY_MEDIUM_ERROR    0x03
  874 #define         SSD_KEY_HARDWARE_ERROR  0x04
  875 #define         SSD_KEY_ILLEGAL_REQUEST 0x05
  876 #define         SSD_KEY_UNIT_ATTENTION  0x06
  877 #define         SSD_KEY_DATA_PROTECT    0x07
  878 #define         SSD_KEY_BLANK_CHECK     0x08
  879 #define         SSD_KEY_Vendor_Specific 0x09
  880 #define         SSD_KEY_COPY_ABORTED    0x0a
  881 #define         SSD_KEY_ABORTED_COMMAND 0x0b            
  882 #define         SSD_KEY_EQUAL           0x0c
  883 #define         SSD_KEY_VOLUME_OVERFLOW 0x0d
  884 #define         SSD_KEY_MISCOMPARE      0x0e
  885 #define         SSD_KEY_RESERVED        0x0f                    
  886 #define SSD_ILI         0x20
  887 #define SSD_EOM         0x40
  888 #define SSD_FILEMARK    0x80
  889         u_int8_t info[4];
  890         u_int8_t extra_len;
  891         u_int8_t cmd_spec_info[4];
  892         u_int8_t add_sense_code;
  893         u_int8_t add_sense_code_qual;
  894         u_int8_t fru;
  895         u_int8_t sense_key_spec[3];
  896 #define SSD_SCS_VALID           0x80
  897 #define SSD_FIELDPTR_CMD        0x40
  898 #define SSD_BITPTR_VALID        0x08
  899 #define SSD_BITPTR_VALUE        0x07
  900 #define SSD_MIN_SIZE 18
  901         u_int8_t extra_bytes[14];
  902 #define SSD_FULL_SIZE sizeof(struct scsi_sense_data)
  903 };
  904 
  905 struct scsi_mode_header_6
  906 {
  907         u_int8_t data_length;   /* Sense data length */
  908         u_int8_t medium_type;
  909         u_int8_t dev_spec;
  910         u_int8_t blk_desc_len;
  911 };
  912 
  913 struct scsi_mode_header_10
  914 {
  915         u_int8_t data_length[2];/* Sense data length */
  916         u_int8_t medium_type;
  917         u_int8_t dev_spec;
  918         u_int8_t unused[2];
  919         u_int8_t blk_desc_len[2];
  920 };
  921 
  922 struct scsi_mode_page_header
  923 {
  924         u_int8_t page_code;
  925         u_int8_t page_length;
  926 };
  927 
  928 struct scsi_mode_blk_desc
  929 {
  930         u_int8_t density;
  931         u_int8_t nblocks[3];
  932         u_int8_t reserved;
  933         u_int8_t blklen[3];
  934 };
  935 
  936 #define SCSI_DEFAULT_DENSITY    0x00    /* use 'default' density */
  937 #define SCSI_SAME_DENSITY       0x7f    /* use 'same' density- >= SCSI-2 only */
  938 
  939 
  940 /*
  941  * Status Byte
  942  */
  943 #define SCSI_STATUS_OK                  0x00
  944 #define SCSI_STATUS_CHECK_COND          0x02
  945 #define SCSI_STATUS_COND_MET            0x04
  946 #define SCSI_STATUS_BUSY                0x08
  947 #define SCSI_STATUS_INTERMED            0x10
  948 #define SCSI_STATUS_INTERMED_COND_MET   0x14
  949 #define SCSI_STATUS_RESERV_CONFLICT     0x18
  950 #define SCSI_STATUS_CMD_TERMINATED      0x22    /* Obsolete in SAM-2 */
  951 #define SCSI_STATUS_QUEUE_FULL          0x28
  952 #define SCSI_STATUS_ACA_ACTIVE          0x30
  953 #define SCSI_STATUS_TASK_ABORTED        0x40
  954 
  955 struct scsi_inquiry_pattern {
  956         u_int8_t   type;
  957         u_int8_t   media_type;
  958 #define SIP_MEDIA_REMOVABLE     0x01
  959 #define SIP_MEDIA_FIXED         0x02
  960         const char *vendor;
  961         const char *product;
  962         const char *revision;
  963 }; 
  964 
  965 struct scsi_static_inquiry_pattern {
  966         u_int8_t   type;
  967         u_int8_t   media_type;
  968         char       vendor[SID_VENDOR_SIZE+1];
  969         char       product[SID_PRODUCT_SIZE+1];
  970         char       revision[SID_REVISION_SIZE+1];
  971 };
  972 
  973 struct scsi_sense_quirk_entry {
  974         struct scsi_inquiry_pattern     inq_pat;
  975         int                             num_sense_keys;
  976         int                             num_ascs;
  977         struct sense_key_table_entry    *sense_key_info;
  978         struct asc_table_entry          *asc_info;
  979 };
  980 
  981 struct sense_key_table_entry {
  982         u_int8_t    sense_key;
  983         u_int32_t   action;
  984         const char *desc;
  985 };
  986 
  987 struct asc_table_entry {
  988         u_int8_t    asc;
  989         u_int8_t    ascq;
  990         u_int32_t   action;
  991         const char *desc;
  992 };
  993 
  994 struct op_table_entry {
  995         u_int8_t    opcode;
  996         u_int16_t   opmask;
  997         const char  *desc;
  998 };
  999 
 1000 struct scsi_op_quirk_entry {
 1001         struct scsi_inquiry_pattern     inq_pat;
 1002         int                             num_ops;
 1003         struct op_table_entry           *op_table;
 1004 };
 1005 
 1006 typedef enum {
 1007         SSS_FLAG_NONE           = 0x00,
 1008         SSS_FLAG_PRINT_COMMAND  = 0x01
 1009 } scsi_sense_string_flags;
 1010 
 1011 struct ccb_scsiio;
 1012 struct cam_periph;
 1013 union  ccb;
 1014 #ifndef _KERNEL
 1015 struct cam_device;
 1016 #endif
 1017 
 1018 extern const char *scsi_sense_key_text[];
 1019 
 1020 struct sbuf;
 1021 
 1022 __BEGIN_DECLS
 1023 void scsi_sense_desc(int sense_key, int asc, int ascq,
 1024                      struct scsi_inquiry_data *inq_data,
 1025                      const char **sense_key_desc, const char **asc_desc);
 1026 scsi_sense_action scsi_error_action(struct ccb_scsiio* csio,
 1027                                     struct scsi_inquiry_data *inq_data,
 1028                                     u_int32_t sense_flags);
 1029 const char *    scsi_status_string(struct ccb_scsiio *csio);
 1030 #ifdef _KERNEL
 1031 int             scsi_command_string(struct ccb_scsiio *csio, struct sbuf *sb);
 1032 int             scsi_sense_sbuf(struct ccb_scsiio *csio, struct sbuf *sb,
 1033                                 scsi_sense_string_flags flags);
 1034 char *          scsi_sense_string(struct ccb_scsiio *csio,
 1035                                   char *str, int str_len);
 1036 void            scsi_sense_print(struct ccb_scsiio *csio);
 1037 int             scsi_interpret_sense(union ccb *ccb, 
 1038                                      u_int32_t sense_flags,
 1039                                      u_int32_t *relsim_flags, 
 1040                                      u_int32_t *reduction,
 1041                                      u_int32_t *timeout,
 1042                                      scsi_sense_action error_action);
 1043 #else /* _KERNEL */
 1044 int             scsi_command_string(struct cam_device *device,
 1045                                     struct ccb_scsiio *csio, struct sbuf *sb);
 1046 int             scsi_sense_sbuf(struct cam_device *device, 
 1047                                 struct ccb_scsiio *csio, struct sbuf *sb,
 1048                                 scsi_sense_string_flags flags);
 1049 char *          scsi_sense_string(struct cam_device *device, 
 1050                                   struct ccb_scsiio *csio,
 1051                                   char *str, int str_len);
 1052 void            scsi_sense_print(struct cam_device *device, 
 1053                                  struct ccb_scsiio *csio, FILE *ofile);
 1054 int             scsi_interpret_sense(struct cam_device *device,
 1055                                      union ccb *ccb,
 1056                                      u_int32_t sense_flags,
 1057                                      u_int32_t *relsim_flags, 
 1058                                      u_int32_t *reduction,
 1059                                      u_int32_t *timeout,
 1060                                      scsi_sense_action error_action);
 1061 #endif /* _KERNEL */
 1062 
 1063 #define SF_RETRY_UA     0x01
 1064 #define SF_NO_PRINT     0x02
 1065 #define SF_QUIET_IR     0x04    /* Be quiet about Illegal Request reponses */
 1066 #define SF_PRINT_ALWAYS 0x08
 1067 
 1068 
 1069 const char *    scsi_op_desc(u_int16_t opcode, 
 1070                              struct scsi_inquiry_data *inq_data);
 1071 char *          scsi_cdb_string(u_int8_t *cdb_ptr, char *cdb_string,
 1072                                 size_t len);
 1073 
 1074 void            scsi_print_inquiry(struct scsi_inquiry_data *inq_data);
 1075 
 1076 u_int           scsi_calc_syncsrate(u_int period_factor);
 1077 u_int           scsi_calc_syncparam(u_int period);
 1078         
 1079 void            scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries,
 1080                                      void (*cbfcnp)(struct cam_periph *, 
 1081                                                     union ccb *),
 1082                                      u_int8_t tag_action, 
 1083                                      u_int8_t sense_len, u_int32_t timeout);
 1084 
 1085 void            scsi_request_sense(struct ccb_scsiio *csio, u_int32_t retries,
 1086                                    void (*cbfcnp)(struct cam_periph *, 
 1087                                                   union ccb *),
 1088                                    void *data_ptr, u_int8_t dxfer_len,
 1089                                    u_int8_t tag_action, u_int8_t sense_len,
 1090                                    u_int32_t timeout);
 1091 
 1092 void            scsi_inquiry(struct ccb_scsiio *csio, u_int32_t retries,
 1093                              void (*cbfcnp)(struct cam_periph *, union ccb *),
 1094                              u_int8_t tag_action, u_int8_t *inq_buf, 
 1095                              u_int32_t inq_len, int evpd, u_int8_t page_code,
 1096                              u_int8_t sense_len, u_int32_t timeout);
 1097 
 1098 void            scsi_mode_sense(struct ccb_scsiio *csio, u_int32_t retries,
 1099                                 void (*cbfcnp)(struct cam_periph *,
 1100                                                union ccb *),
 1101                                 u_int8_t tag_action, int dbd,
 1102                                 u_int8_t page_code, u_int8_t page,
 1103                                 u_int8_t *param_buf, u_int32_t param_len,
 1104                                 u_int8_t sense_len, u_int32_t timeout);
 1105 
 1106 void            scsi_mode_sense_len(struct ccb_scsiio *csio, u_int32_t retries,
 1107                                     void (*cbfcnp)(struct cam_periph *,
 1108                                                    union ccb *),
 1109                                     u_int8_t tag_action, int dbd,
 1110                                     u_int8_t page_code, u_int8_t page,
 1111                                     u_int8_t *param_buf, u_int32_t param_len,
 1112                                     int minimum_cmd_size, u_int8_t sense_len,
 1113                                     u_int32_t timeout);
 1114 
 1115 void            scsi_mode_select(struct ccb_scsiio *csio, u_int32_t retries,
 1116                                  void (*cbfcnp)(struct cam_periph *,
 1117                                                 union ccb *),
 1118                                  u_int8_t tag_action, int scsi_page_fmt,
 1119                                  int save_pages, u_int8_t *param_buf,
 1120                                  u_int32_t param_len, u_int8_t sense_len,
 1121                                  u_int32_t timeout);
 1122 
 1123 void            scsi_mode_select_len(struct ccb_scsiio *csio, u_int32_t retries,
 1124                                      void (*cbfcnp)(struct cam_periph *,
 1125                                                     union ccb *),
 1126                                      u_int8_t tag_action, int scsi_page_fmt,
 1127                                      int save_pages, u_int8_t *param_buf,
 1128                                      u_int32_t param_len, int minimum_cmd_size,
 1129                                      u_int8_t sense_len, u_int32_t timeout);
 1130 
 1131 void            scsi_log_sense(struct ccb_scsiio *csio, u_int32_t retries,
 1132                                void (*cbfcnp)(struct cam_periph *, union ccb *),
 1133                                u_int8_t tag_action, u_int8_t page_code,
 1134                                u_int8_t page, int save_pages, int ppc,
 1135                                u_int32_t paramptr, u_int8_t *param_buf,
 1136                                u_int32_t param_len, u_int8_t sense_len,
 1137                                u_int32_t timeout);
 1138 
 1139 void            scsi_log_select(struct ccb_scsiio *csio, u_int32_t retries,
 1140                                 void (*cbfcnp)(struct cam_periph *,
 1141                                 union ccb *), u_int8_t tag_action,
 1142                                 u_int8_t page_code, int save_pages,
 1143                                 int pc_reset, u_int8_t *param_buf,
 1144                                 u_int32_t param_len, u_int8_t sense_len,
 1145                                 u_int32_t timeout);
 1146 
 1147 void            scsi_prevent(struct ccb_scsiio *csio, u_int32_t retries,
 1148                              void (*cbfcnp)(struct cam_periph *, union ccb *),
 1149                              u_int8_t tag_action, u_int8_t action,
 1150                              u_int8_t sense_len, u_int32_t timeout);
 1151 
 1152 void            scsi_read_capacity(struct ccb_scsiio *csio, u_int32_t retries,
 1153                                    void (*cbfcnp)(struct cam_periph *, 
 1154                                    union ccb *), u_int8_t tag_action, 
 1155                                    struct scsi_read_capacity_data *,
 1156                                    u_int8_t sense_len, u_int32_t timeout);
 1157 void            scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries,
 1158                                       void (*cbfcnp)(struct cam_periph *,
 1159                                       union ccb *), uint8_t tag_action,
 1160                                       uint64_t lba, int reladr, int pmi,
 1161                                       struct scsi_read_capacity_data_long
 1162                                       *rcap_buf, uint8_t sense_len,
 1163                                       uint32_t timeout);
 1164 
 1165 void            scsi_report_luns(struct ccb_scsiio *csio, u_int32_t retries,
 1166                                  void (*cbfcnp)(struct cam_periph *, 
 1167                                  union ccb *), u_int8_t tag_action, 
 1168                                  u_int8_t select_report,
 1169                                  struct scsi_report_luns_data *rpl_buf,
 1170                                  u_int32_t alloc_len, u_int8_t sense_len,
 1171                                  u_int32_t timeout);
 1172 
 1173 void            scsi_synchronize_cache(struct ccb_scsiio *csio, 
 1174                                        u_int32_t retries,
 1175                                        void (*cbfcnp)(struct cam_periph *, 
 1176                                        union ccb *), u_int8_t tag_action, 
 1177                                        u_int32_t begin_lba, u_int16_t lb_count,
 1178                                        u_int8_t sense_len, u_int32_t timeout);
 1179 
 1180 void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries,
 1181                      void (*cbfcnp)(struct cam_periph *, union ccb *),
 1182                      u_int8_t tag_action, int readop, u_int8_t byte2, 
 1183                      int minimum_cmd_size, u_int64_t lba,
 1184                      u_int32_t block_count, u_int8_t *data_ptr,
 1185                      u_int32_t dxfer_len, u_int8_t sense_len,
 1186                      u_int32_t timeout);
 1187 
 1188 void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries,
 1189                      void (*cbfcnp)(struct cam_periph *, union ccb *),
 1190                      u_int8_t tag_action, int start, int load_eject,
 1191                      int immediate, u_int8_t sense_len, u_int32_t timeout);
 1192 
 1193 int             scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry);
 1194 int             scsi_static_inquiry_match(caddr_t inqbuffer,
 1195                                           caddr_t table_entry);
 1196 
 1197 static __inline void scsi_extract_sense(struct scsi_sense_data *sense,
 1198                                         int *error_code, int *sense_key,
 1199                                         int *asc, int *ascq);
 1200 static __inline void scsi_ulto2b(u_int32_t val, u_int8_t *bytes);
 1201 static __inline void scsi_ulto3b(u_int32_t val, u_int8_t *bytes);
 1202 static __inline void scsi_ulto4b(u_int32_t val, u_int8_t *bytes);
 1203 static __inline void scsi_u64to8b(u_int64_t val, u_int8_t *bytes);
 1204 static __inline u_int32_t scsi_2btoul(u_int8_t *bytes);
 1205 static __inline u_int32_t scsi_3btoul(u_int8_t *bytes);
 1206 static __inline int32_t scsi_3btol(u_int8_t *bytes);
 1207 static __inline u_int32_t scsi_4btoul(u_int8_t *bytes);
 1208 static __inline u_int64_t scsi_8btou64(u_int8_t *bytes);
 1209 static __inline void *find_mode_page_6(struct scsi_mode_header_6 *mode_header);
 1210 static __inline void *find_mode_page_10(struct scsi_mode_header_10 *mode_header);
 1211 
 1212 static __inline void scsi_extract_sense(struct scsi_sense_data *sense,
 1213                                         int *error_code, int *sense_key,
 1214                                         int *asc, int *ascq)
 1215 {
 1216         *error_code = sense->error_code & SSD_ERRCODE;
 1217         *sense_key = sense->flags & SSD_KEY;
 1218         *asc = (sense->extra_len >= 5) ? sense->add_sense_code : 0;
 1219         *ascq = (sense->extra_len >= 6) ? sense->add_sense_code_qual : 0;
 1220 }
 1221 
 1222 static __inline void
 1223 scsi_ulto2b(u_int32_t val, u_int8_t *bytes)
 1224 {
 1225 
 1226         bytes[0] = (val >> 8) & 0xff;
 1227         bytes[1] = val & 0xff;
 1228 }
 1229 
 1230 static __inline void
 1231 scsi_ulto3b(u_int32_t val, u_int8_t *bytes)
 1232 {
 1233 
 1234         bytes[0] = (val >> 16) & 0xff;
 1235         bytes[1] = (val >> 8) & 0xff;
 1236         bytes[2] = val & 0xff;
 1237 }
 1238 
 1239 static __inline void
 1240 scsi_ulto4b(u_int32_t val, u_int8_t *bytes)
 1241 {
 1242 
 1243         bytes[0] = (val >> 24) & 0xff;
 1244         bytes[1] = (val >> 16) & 0xff;
 1245         bytes[2] = (val >> 8) & 0xff;
 1246         bytes[3] = val & 0xff;
 1247 }
 1248 
 1249 static __inline void
 1250 scsi_u64to8b(u_int64_t val, u_int8_t *bytes)
 1251 {
 1252 
 1253         bytes[0] = (val >> 56) & 0xff;
 1254         bytes[1] = (val >> 48) & 0xff;
 1255         bytes[2] = (val >> 40) & 0xff;
 1256         bytes[3] = (val >> 32) & 0xff;
 1257         bytes[4] = (val >> 24) & 0xff;
 1258         bytes[5] = (val >> 16) & 0xff;
 1259         bytes[6] = (val >> 8) & 0xff;
 1260         bytes[7] = val & 0xff;
 1261 }
 1262 
 1263 static __inline u_int32_t
 1264 scsi_2btoul(u_int8_t *bytes)
 1265 {
 1266         u_int32_t rv;
 1267 
 1268         rv = (bytes[0] << 8) |
 1269              bytes[1];
 1270         return (rv);
 1271 }
 1272 
 1273 static __inline u_int32_t
 1274 scsi_3btoul(u_int8_t *bytes)
 1275 {
 1276         u_int32_t rv;
 1277 
 1278         rv = (bytes[0] << 16) |
 1279              (bytes[1] << 8) |
 1280              bytes[2];
 1281         return (rv);
 1282 }
 1283 
 1284 static __inline int32_t 
 1285 scsi_3btol(u_int8_t *bytes)
 1286 {
 1287         u_int32_t rc = scsi_3btoul(bytes);
 1288  
 1289         if (rc & 0x00800000)
 1290                 rc |= 0xff000000;
 1291 
 1292         return (int32_t) rc;
 1293 }
 1294 
 1295 static __inline u_int32_t
 1296 scsi_4btoul(u_int8_t *bytes)
 1297 {
 1298         u_int32_t rv;
 1299 
 1300         rv = (bytes[0] << 24) |
 1301              (bytes[1] << 16) |
 1302              (bytes[2] << 8) |
 1303              bytes[3];
 1304         return (rv);
 1305 }
 1306 
 1307 static __inline uint64_t
 1308 scsi_8btou64(uint8_t *bytes)
 1309 {
 1310         uint64_t rv;
 1311  
 1312         rv = (((uint64_t)bytes[0]) << 56) |
 1313              (((uint64_t)bytes[1]) << 48) |
 1314              (((uint64_t)bytes[2]) << 40) |
 1315              (((uint64_t)bytes[3]) << 32) |
 1316              (((uint64_t)bytes[4]) << 24) |
 1317              (((uint64_t)bytes[5]) << 16) |
 1318              (((uint64_t)bytes[6]) << 8) |
 1319              bytes[7];
 1320         return (rv);
 1321 }
 1322 
 1323 /*
 1324  * Given the pointer to a returned mode sense buffer, return a pointer to
 1325  * the start of the first mode page.
 1326  */
 1327 static __inline void *
 1328 find_mode_page_6(struct scsi_mode_header_6 *mode_header)
 1329 {
 1330         void *page_start;
 1331 
 1332         page_start = (void *)((u_int8_t *)&mode_header[1] +
 1333                               mode_header->blk_desc_len);
 1334 
 1335         return(page_start);
 1336 }
 1337 
 1338 static __inline void *
 1339 find_mode_page_10(struct scsi_mode_header_10 *mode_header)
 1340 {
 1341         void *page_start;
 1342 
 1343         page_start = (void *)((u_int8_t *)&mode_header[1] +
 1344                                scsi_2btoul(mode_header->blk_desc_len));
 1345 
 1346         return(page_start);
 1347 }
 1348 
 1349 __END_DECLS
 1350 
 1351 #endif /*_SCSI_SCSI_ALL_H*/

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