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

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    1 /*
    2  * Structures and definitions for SCSI commands to Direct Access Devices
    3  */
    4 
    5 /*-
    6  * Some lines of this file come from a file of the name "scsi.h"
    7  * distributed by OSF as part of mach2.5,
    8  *  so the following disclaimer has been kept.
    9  *
   10  * Copyright 1990 by Open Software Foundation,
   11  * Grenoble, FRANCE
   12  *
   13  *              All Rights Reserved
   14  *
   15  *   Permission to use, copy, modify, and distribute this software and
   16  * its documentation for any purpose and without fee is hereby granted,
   17  * provided that the above copyright notice appears in all copies and
   18  * that both the copyright notice and this permission notice appear in
   19  * supporting documentation, and that the name of OSF or Open Software
   20  * Foundation not be used in advertising or publicity pertaining to
   21  * distribution of the software without specific, written prior
   22  * permission.
   23  *
   24  *   OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
   25  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
   26  * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
   27  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
   28  * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
   29  * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
   30  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   31  */
   32 
   33 /*-
   34  * Largely written by Julian Elischer (julian@tfs.com)
   35  * for TRW Financial Systems.
   36  *
   37  * TRW Financial Systems, in accordance with their agreement with Carnegie
   38  * Mellon University, makes this software available to CMU to distribute
   39  * or use in any manner that they see fit as long as this message is kept with
   40  * the software. For this reason TFS also grants any other persons or
   41  * organisations permission to use or modify this software.
   42  *
   43  * TFS supplies this software to be publicly redistributed
   44  * on the understanding that TFS is not responsible for the correct
   45  * functioning of this software in any circumstances.
   46  *
   47  * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
   48  *
   49  * $FreeBSD: releng/10.4/sys/cam/scsi/scsi_da.h 311403 2017-01-05 11:23:55Z mav $
   50  */
   51 
   52 #ifndef _SCSI_SCSI_DA_H
   53 #define _SCSI_SCSI_DA_H 1
   54 
   55 #include <sys/cdefs.h>
   56 
   57 struct scsi_rezero_unit
   58 {
   59         u_int8_t opcode;
   60 #define SRZU_LUN_MASK 0xE0
   61         u_int8_t byte2;
   62         u_int8_t reserved[3];
   63         u_int8_t control;
   64 };
   65 
   66 /*
   67  * NOTE:  The lower three bits of byte2 of the format CDB are the same as
   68  * the lower three bits of byte2 of the read defect data CDB, below.
   69  */
   70 struct scsi_format_unit
   71 {
   72         u_int8_t opcode;
   73         u_int8_t byte2;
   74 #define FU_FORMAT_MASK  SRDD10_DLIST_FORMAT_MASK
   75 #define FU_BLOCK_FORMAT SRDD10_BLOCK_FORMAT
   76 #define FU_BFI_FORMAT   SRDD10_BYTES_FROM_INDEX_FORMAT
   77 #define FU_PHYS_FORMAT  SRDD10_PHYSICAL_SECTOR_FORMAT
   78 #define FU_CMPLST       0x08
   79 #define FU_FMT_DATA     0x10
   80         u_int8_t vendor_specific;
   81         u_int8_t interleave[2];
   82         u_int8_t control;
   83 };
   84 
   85 struct scsi_reassign_blocks
   86 {
   87         u_int8_t opcode;
   88         u_int8_t byte2;
   89         u_int8_t unused[3];
   90         u_int8_t control;
   91 };
   92 
   93 struct scsi_read_defect_data_10
   94 {
   95         uint8_t opcode;
   96         uint8_t byte2;
   97 #define SRDD10_GLIST 0x08
   98 #define SRDD10_PLIST 0x10
   99 #define SRDD10_DLIST_FORMAT_MASK 0x07
  100 #define SRDD10_BLOCK_FORMAT            0x00
  101 #define SRDD10_EXT_BFI_FORMAT          0x01
  102 #define SRDD10_EXT_PHYS_FORMAT         0x02
  103 #define SRDD10_LONG_BLOCK_FORMAT       0x03
  104 #define SRDD10_BYTES_FROM_INDEX_FORMAT 0x04
  105 #define SRDD10_PHYSICAL_SECTOR_FORMAT  0x05
  106 #define SRDD10_VENDOR_FORMAT           0x06
  107         uint8_t format;
  108         uint8_t reserved[4];
  109         uint8_t alloc_length[2];
  110 #define SRDD10_MAX_LENGTH               0xffff
  111         uint8_t control;
  112 };
  113 
  114 struct scsi_sanitize
  115 {
  116         u_int8_t opcode;
  117         u_int8_t byte2;
  118 #define SSZ_SERVICE_ACTION_OVERWRITE         0x01
  119 #define SSZ_SERVICE_ACTION_BLOCK_ERASE       0x02
  120 #define SSZ_SERVICE_ACTION_CRYPTO_ERASE      0x03
  121 #define SSZ_SERVICE_ACTION_EXIT_MODE_FAILURE 0x1F
  122 #define SSZ_UNRESTRICTED_EXIT                0x20
  123 #define SSZ_IMMED                            0x80
  124         u_int8_t reserved[5];
  125         u_int8_t length[2];
  126         u_int8_t control;
  127 };
  128 
  129 struct scsi_sanitize_parameter_list
  130 {
  131         u_int8_t byte1;
  132 #define SSZPL_INVERT 0x80
  133         u_int8_t reserved;
  134         u_int8_t length[2];
  135         /* Variable length initialization pattern. */
  136 #define SSZPL_MAX_PATTERN_LENGTH 65535
  137 };
  138 
  139 struct scsi_read_defect_data_12
  140 {
  141         uint8_t opcode;
  142 #define SRDD12_GLIST 0x08
  143 #define SRDD12_PLIST 0x10
  144 #define SRDD12_DLIST_FORMAT_MASK 0x07
  145 #define SRDD12_BLOCK_FORMAT            SRDD10_BLOCK_FORMAT
  146 #define SRDD12_BYTES_FROM_INDEX_FORMAT SRDD10_BYTES_FROM_INDEX_FORMAT
  147 #define SRDD12_PHYSICAL_SECTOR_FORMAT  SRDD10_PHYSICAL_SECTOR_FORMAT
  148         uint8_t format;
  149         uint8_t address_descriptor_index[4];
  150         uint8_t alloc_length[4];
  151 #define SRDD12_MAX_LENGTH               0xffffffff
  152         uint8_t reserved;
  153         uint8_t control;
  154 };
  155 
  156 
  157 /*
  158  * Opcodes
  159  */
  160 #define REZERO_UNIT             0x01
  161 #define FORMAT_UNIT             0x04
  162 #define REASSIGN_BLOCKS         0x07
  163 #define MODE_SELECT             0x15
  164 #define MODE_SENSE              0x1a
  165 #define READ_FORMAT_CAPACITIES  0x23
  166 #define WRITE_AND_VERIFY        0x2e
  167 #define VERIFY                  0x2f
  168 #define READ_DEFECT_DATA_10     0x37
  169 #define SANITIZE                0x48
  170 #define READ_DEFECT_DATA_12     0xb7
  171 
  172 struct format_defect_list_header
  173 {
  174         u_int8_t reserved;
  175         u_int8_t byte2;
  176 #define FU_DLH_VS       0x01
  177 #define FU_DLH_IMMED    0x02
  178 #define FU_DLH_DSP      0x04
  179 #define FU_DLH_IP       0x08
  180 #define FU_DLH_STPF     0x10
  181 #define FU_DLH_DCRT     0x20
  182 #define FU_DLH_DPRY     0x40
  183 #define FU_DLH_FOV      0x80
  184         u_int8_t defect_list_length[2];
  185 };
  186 
  187 struct format_ipat_descriptor
  188 {
  189         u_int8_t byte1;
  190 #define FU_INIT_NO_HDR          0x00
  191 #define FU_INIT_LBA_MSB         0x40
  192 #define FU_INIT_LBA_EACH        0x80
  193 #define FU_INIT_SI              0x20
  194         u_int8_t pattern_type;
  195 #define FU_INIT_PAT_DEFAULT     0x00
  196 #define FU_INIT_PAT_REPEAT      0x01
  197         u_int8_t pat_length[2];
  198 };
  199 
  200 struct scsi_read_format_capacities
  201 {
  202         uint8_t opcode;         /* READ_FORMAT_CAPACITIES */
  203         uint8_t byte2;
  204 #define SRFC_LUN_MASK   0xE0
  205         uint8_t reserved0[5];
  206         uint8_t alloc_length[2];
  207         uint8_t reserved1[3];
  208 };
  209 
  210 struct scsi_verify_10
  211 {
  212         uint8_t opcode;         /* VERIFY(10) */
  213         uint8_t byte2;
  214 #define SVFY_LUN_MASK   0xE0
  215 #define SVFY_RELADR     0x01
  216 #define SVFY_BYTCHK     0x02
  217 #define SVFY_DPO        0x10
  218         uint8_t addr[4];        /* LBA to begin verification at */
  219         uint8_t group;
  220         uint8_t length[2];              /* number of blocks to verify */
  221         uint8_t control;
  222 };
  223 
  224 struct scsi_verify_12
  225 {
  226         uint8_t opcode;         /* VERIFY(12) */
  227         uint8_t byte2;
  228         uint8_t addr[4];        /* LBA to begin verification at */
  229         uint8_t length[4];              /* number of blocks to verify */
  230         uint8_t group;
  231         uint8_t control;
  232 };
  233 
  234 struct scsi_verify_16
  235 {
  236         uint8_t opcode;         /* VERIFY(16) */
  237         uint8_t byte2;
  238         uint8_t addr[8];        /* LBA to begin verification at */
  239         uint8_t length[4];              /* number of blocks to verify */
  240         uint8_t group;
  241         uint8_t control;
  242 };
  243 
  244 struct scsi_compare_and_write
  245 {
  246         uint8_t opcode;         /* COMPARE AND WRITE */
  247         uint8_t byte2;
  248         uint8_t addr[8];        /* LBA to begin verification at */
  249         uint8_t reserved[3];
  250         uint8_t length;         /* number of blocks */
  251         uint8_t group;
  252         uint8_t control;
  253 };
  254 
  255 struct scsi_write_and_verify
  256 {
  257         uint8_t opcode;         /* WRITE_AND_VERIFY */
  258         uint8_t byte2;
  259 #define SWVY_LUN_MASK   0xE0
  260 #define SWVY_RELADR     0x01
  261 #define SWVY_BYTECHK    0x02
  262 #define SWVY_DPO        0x10
  263         uint8_t addr[4];        /* LBA to begin verification at */
  264         uint8_t reserved0[1];
  265         uint8_t len[2];         /* number of blocks to write and verify */
  266         uint8_t reserved1[3];
  267 };
  268 
  269 /*
  270  * Replies to READ_FORMAT_CAPACITIES look like this:
  271  *
  272  * struct format_capacity_list_header
  273  * struct format_capacity_descriptor[1..n]
  274  *
  275  * These are similar, but not totally identical to, the
  276  * defect list used to format a rigid disk.
  277  *
  278  * The appropriate csio_decode() format string looks like this:
  279  * "{} *i3 {Len} i1 {Blocks} i4 {} *b6 {Code} b2 {Blocklen} i3"
  280  *
  281  * If the capacity_list_length is greater than
  282  * sizeof(struct format_capacity_descriptor), then there are
  283  * additional format capacity descriptors available which
  284  * denote which format(s) the drive can handle.
  285  *
  286  * (Source: USB Mass Storage UFI Specification)
  287  */
  288 
  289 struct format_capacity_list_header {
  290         uint8_t unused[3];
  291         uint8_t capacity_list_length;
  292 };
  293 
  294 struct format_capacity_descriptor {
  295         uint8_t nblocks[4];     /* total number of LBAs */
  296         uint8_t byte4;          /* only present in max/cur descriptor */
  297 #define FCD_CODE_MASK   0x03    /* mask for code field above */
  298 #define FCD_UNFORMATTED 0x01    /* unformatted media present,
  299                                  * maximum capacity returned */
  300 #define FCD_FORMATTED   0x02    /* formatted media present,
  301                                  * current capacity returned */
  302 #define FCD_NOMEDIA     0x03    /* no media present,
  303                                  * maximum device capacity returned */
  304         uint8_t block_length[3];        /* length of an LBA in bytes */
  305 };
  306 
  307 struct scsi_reassign_blocks_data
  308 {
  309         u_int8_t reserved[2];
  310         u_int8_t length[2];
  311         struct {
  312                 u_int8_t dlbaddr[4];    /* defect logical block address */
  313         } defect_descriptor[1];
  314 };
  315 
  316 
  317 /*
  318  * This is the list header for the READ DEFECT DATA(10) command above.
  319  * It may be a bit wrong to append the 10 at the end of the data structure,
  320  * since it's only 4 bytes but it does tie it to the 10 byte command.
  321  */
  322 struct scsi_read_defect_data_hdr_10
  323 {
  324         u_int8_t reserved;
  325 #define SRDDH10_GLIST 0x08
  326 #define SRDDH10_PLIST 0x10
  327 #define SRDDH10_DLIST_FORMAT_MASK 0x07
  328 #define SRDDH10_BLOCK_FORMAT            0x00
  329 #define SRDDH10_BYTES_FROM_INDEX_FORMAT 0x04
  330 #define SRDDH10_PHYSICAL_SECTOR_FORMAT  0x05
  331         u_int8_t format;
  332         u_int8_t length[2];
  333 #define SRDDH10_MAX_LENGTH      SRDD10_MAX_LENGTH -                          \
  334                                 sizeof(struct scsi_read_defect_data_hdr_10) 
  335 };
  336 
  337 struct scsi_defect_desc_block
  338 {
  339         u_int8_t address[4];
  340 };
  341 
  342 struct scsi_defect_desc_long_block
  343 {
  344         u_int8_t address[8];
  345 };
  346 
  347 struct scsi_defect_desc_bytes_from_index
  348 {
  349         u_int8_t cylinder[3];
  350         u_int8_t head;
  351 #define SDD_EXT_BFI_MADS                0x80000000
  352 #define SDD_EXT_BFI_FLAG_MASK           0xf0000000
  353 #define SDD_EXT_BFI_ENTIRE_TRACK        0x0fffffff
  354         u_int8_t bytes_from_index[4];
  355 };
  356 
  357 struct scsi_defect_desc_phys_sector
  358 {
  359         u_int8_t cylinder[3];
  360         u_int8_t head;
  361 #define SDD_EXT_PHYS_MADS               0x80000000
  362 #define SDD_EXT_PHYS_FLAG_MASK          0xf0000000
  363 #define SDD_EXT_PHYS_ENTIRE_TRACK       0x0fffffff
  364         u_int8_t sector[4];
  365 };
  366 
  367 struct scsi_read_defect_data_hdr_12
  368 {
  369         u_int8_t reserved;
  370 #define SRDDH12_GLIST 0x08
  371 #define SRDDH12_PLIST 0x10
  372 #define SRDDH12_DLIST_FORMAT_MASK 0x07
  373 #define SRDDH12_BLOCK_FORMAT            0x00
  374 #define SRDDH12_BYTES_FROM_INDEX_FORMAT 0x04
  375 #define SRDDH12_PHYSICAL_SECTOR_FORMAT  0x05
  376         u_int8_t format;
  377         u_int8_t generation[2];
  378         u_int8_t length[4];
  379 #define SRDDH12_MAX_LENGTH      SRDD12_MAX_LENGTH -                         \
  380                                 sizeof(struct scsi_read_defect_data_hdr_12)
  381 };
  382 
  383 union   disk_pages /* this is the structure copied from osf */
  384 {
  385         struct format_device_page {
  386                 u_int8_t pg_code;       /* page code (should be 3)            */
  387 #define SMS_FORMAT_DEVICE_PAGE  0x03    /* only 6 bits valid */
  388                 u_int8_t pg_length;     /* page length (should be 0x16)       */
  389 #define SMS_FORMAT_DEVICE_PLEN  0x16
  390                 u_int8_t trk_z_1;       /* tracks per zone (MSB)              */
  391                 u_int8_t trk_z_0;       /* tracks per zone (LSB)              */
  392                 u_int8_t alt_sec_1;     /* alternate sectors per zone (MSB)   */
  393                 u_int8_t alt_sec_0;     /* alternate sectors per zone (LSB)   */
  394                 u_int8_t alt_trk_z_1;   /* alternate tracks per zone (MSB)    */
  395                 u_int8_t alt_trk_z_0;   /* alternate tracks per zone (LSB)    */
  396                 u_int8_t alt_trk_v_1;   /* alternate tracks per volume (MSB)  */
  397                 u_int8_t alt_trk_v_0;   /* alternate tracks per volume (LSB)  */
  398                 u_int8_t ph_sec_t_1;    /* physical sectors per track (MSB)   */
  399                 u_int8_t ph_sec_t_0;    /* physical sectors per track (LSB)   */
  400                 u_int8_t bytes_s_1;     /* bytes per sector (MSB)             */
  401                 u_int8_t bytes_s_0;     /* bytes per sector (LSB)             */
  402                 u_int8_t interleave_1;  /* interleave (MSB)                   */
  403                 u_int8_t interleave_0;  /* interleave (LSB)                   */
  404                 u_int8_t trk_skew_1;    /* track skew factor (MSB)            */
  405                 u_int8_t trk_skew_0;    /* track skew factor (LSB)            */
  406                 u_int8_t cyl_skew_1;    /* cylinder skew (MSB)                */
  407                 u_int8_t cyl_skew_0;    /* cylinder skew (LSB)                */
  408                 u_int8_t flags;         /* various */
  409 #define                 DISK_FMT_SURF   0x10
  410 #define                 DISK_FMT_RMB    0x20
  411 #define                 DISK_FMT_HSEC   0x40
  412 #define                 DISK_FMT_SSEC   0x80
  413                 u_int8_t reserved21;
  414                 u_int8_t reserved22;
  415                 u_int8_t reserved23;
  416         } format_device;
  417         struct rigid_geometry_page {
  418                 u_int8_t pg_code;       /* page code (should be 4)            */
  419 #define SMS_RIGID_GEOMETRY_PAGE 0x04
  420                 u_int8_t pg_length;     /* page length (should be 0x16)       */
  421 #define SMS_RIGID_GEOMETRY_PLEN 0x16            
  422                 u_int8_t ncyl_2;        /* number of cylinders (MSB)          */
  423                 u_int8_t ncyl_1;        /* number of cylinders                */
  424                 u_int8_t ncyl_0;        /* number of cylinders (LSB)          */
  425                 u_int8_t nheads;        /* number of heads                    */
  426                 u_int8_t st_cyl_wp_2;   /* starting cyl., write precomp (MSB) */
  427                 u_int8_t st_cyl_wp_1;   /* starting cyl., write precomp       */
  428                 u_int8_t st_cyl_wp_0;   /* starting cyl., write precomp (LSB) */
  429                 u_int8_t st_cyl_rwc_2;  /* starting cyl., red. write cur (MSB)*/
  430                 u_int8_t st_cyl_rwc_1;  /* starting cyl., red. write cur      */
  431                 u_int8_t st_cyl_rwc_0;  /* starting cyl., red. write cur (LSB)*/
  432                 u_int8_t driv_step_1;   /* drive step rate (MSB)              */
  433                 u_int8_t driv_step_0;   /* drive step rate (LSB)              */
  434                 u_int8_t land_zone_2;   /* landing zone cylinder (MSB)        */
  435                 u_int8_t land_zone_1;   /* landing zone cylinder              */
  436                 u_int8_t land_zone_0;   /* landing zone cylinder (LSB)        */
  437                 u_int8_t rpl;           /* rotational position locking (2 bits) */
  438                 u_int8_t rot_offset;    /* rotational offset */
  439                 u_int8_t reserved19;
  440                 u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */
  441                 u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */
  442                 u_int8_t reserved22;
  443                 u_int8_t reserved23;
  444         } rigid_geometry;
  445         struct flexible_disk_page {
  446                 u_int8_t pg_code;       /* page code (should be 5)            */
  447 #define SMS_FLEXIBLE_GEOMETRY_PAGE 0x05
  448                 u_int8_t pg_length;     /* page length (should be 0x1E)       */
  449 #define SMS_FLEXIBLE_GEOMETRY_PLEN 0x1E
  450                 u_int8_t xfr_rate_1;    /* transfer rate (MSB)                */
  451                 u_int8_t xfr_rate_0;    /* transfer rate (LSB)                */
  452                 u_int8_t nheads;        /* number of heads                    */
  453                 u_int8_t sec_per_track; /* Sectors per track                  */
  454                 u_int8_t bytes_s_1;     /* bytes per sector (MSB)             */
  455                 u_int8_t bytes_s_0;     /* bytes per sector (LSB)             */
  456                 u_int8_t ncyl_1;        /* number of cylinders (MSB)          */
  457                 u_int8_t ncyl_0;        /* number of cylinders (LSB)          */
  458                 u_int8_t st_cyl_wp_1;   /* starting cyl., write precomp (MSB) */
  459                 u_int8_t st_cyl_wp_0;   /* starting cyl., write precomp (LSB) */
  460                 u_int8_t st_cyl_rwc_1;  /* starting cyl., red. write cur (MSB)*/
  461                 u_int8_t st_cyl_rwc_0;  /* starting cyl., red. write cur (LSB)*/                
  462                 u_int8_t driv_step_1;   /* drive step rate (MSB)              */
  463                 u_int8_t driv_step_0;   /* drive step rate (LSB)              */
  464                 u_int8_t driv_step_pw;  /* drive step pulse width             */
  465                 u_int8_t head_stl_del_1;/* Head settle delay (MSB)            */
  466                 u_int8_t head_stl_del_0;/* Head settle delay (LSB)            */
  467                 u_int8_t motor_on_del;  /* Motor on delay                     */
  468                 u_int8_t motor_off_del; /* Motor off delay                    */
  469                 u_int8_t trdy_ssn_mo;   /* XXX ??? */
  470                 u_int8_t spc;           /* XXX ??? */
  471                 u_int8_t write_comp;    /* Write compensation */
  472                 u_int8_t head_load_del; /* Head load delay */
  473                 u_int8_t head_uload_del;/* Head un-load delay */
  474                 u_int8_t pin32_pin2;
  475                 u_int8_t pin4_pint1;
  476                 u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */
  477                 u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */              
  478                 u_int8_t reserved30;
  479                 u_int8_t reserved31;
  480         } flexible_disk;        
  481 };
  482 
  483 /*
  484  * XXX KDM
  485  * Here for CTL compatibility, reconcile this.
  486  */
  487 struct scsi_format_page {
  488         uint8_t page_code;
  489         uint8_t page_length;
  490         uint8_t tracks_per_zone[2];
  491         uint8_t alt_sectors_per_zone[2];
  492         uint8_t alt_tracks_per_zone[2];
  493         uint8_t alt_tracks_per_lun[2];
  494         uint8_t sectors_per_track[2];
  495         uint8_t bytes_per_sector[2];
  496         uint8_t interleave[2];
  497         uint8_t track_skew[2];
  498         uint8_t cylinder_skew[2];
  499         uint8_t flags;
  500 #define SFP_SSEC        0x80
  501 #define SFP_HSEC        0x40
  502 #define SFP_RMB         0x20
  503 #define SFP_SURF        0x10
  504         uint8_t reserved[3];
  505 };
  506 
  507 /*
  508  * XXX KDM
  509  * Here for CTL compatibility, reconcile this.
  510  */
  511 struct scsi_rigid_disk_page {
  512         uint8_t page_code;
  513 #define SMS_RIGID_DISK_PAGE             0x04
  514         uint8_t page_length;
  515         uint8_t cylinders[3];
  516         uint8_t heads;
  517         uint8_t start_write_precomp[3];
  518         uint8_t start_reduced_current[3];
  519         uint8_t step_rate[2];
  520         uint8_t landing_zone_cylinder[3];
  521         uint8_t rpl;
  522 #define SRDP_RPL_DISABLED       0x00
  523 #define SRDP_RPL_SLAVE          0x01
  524 #define SRDP_RPL_MASTER         0x02
  525 #define SRDP_RPL_MASTER_CONTROL 0x03
  526         uint8_t rotational_offset;
  527         uint8_t reserved1;
  528         uint8_t rotation_rate[2];
  529         uint8_t reserved2[2];
  530 };
  531 
  532 
  533 struct scsi_da_rw_recovery_page {
  534         u_int8_t page_code;
  535 #define SMS_RW_ERROR_RECOVERY_PAGE      0x01
  536         u_int8_t page_length;
  537         u_int8_t byte3;
  538 #define SMS_RWER_AWRE                   0x80
  539 #define SMS_RWER_ARRE                   0x40
  540 #define SMS_RWER_TB                     0x20
  541 #define SMS_RWER_RC                     0x10
  542 #define SMS_RWER_EER                    0x08
  543 #define SMS_RWER_PER                    0x04
  544 #define SMS_RWER_DTE                    0x02
  545 #define SMS_RWER_DCR                    0x01
  546         u_int8_t read_retry_count;
  547         u_int8_t correction_span;
  548         u_int8_t head_offset_count;
  549         u_int8_t data_strobe_offset_cnt;
  550         u_int8_t byte8;
  551 #define SMS_RWER_LBPERE                 0x80
  552         u_int8_t write_retry_count;
  553         u_int8_t reserved2;
  554         u_int8_t recovery_time_limit[2];
  555 };
  556 
  557 struct scsi_da_verify_recovery_page {
  558         u_int8_t page_code;
  559 #define SMS_VERIFY_ERROR_RECOVERY_PAGE  0x07
  560         u_int8_t page_length;
  561         u_int8_t byte3;
  562 #define SMS_VER_EER                     0x08
  563 #define SMS_VER_PER                     0x04
  564 #define SMS_VER_DTE                     0x02
  565 #define SMS_VER_DCR                     0x01
  566         u_int8_t read_retry_count;
  567         u_int8_t reserved[6];
  568         u_int8_t recovery_time_limit[2];
  569 };
  570 
  571 __BEGIN_DECLS
  572 /*
  573  * XXX These are only left out of the kernel build to silence warnings.  If,
  574  * for some reason these functions are used in the kernel, the ifdefs should
  575  * be moved so they are included both in the kernel and userland.
  576  */
  577 #ifndef _KERNEL
  578 void scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
  579                       void (*cbfcnp)(struct cam_periph *, union ccb *),
  580                       u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
  581                       u_int8_t *data_ptr, u_int32_t dxfer_len,
  582                       u_int8_t sense_len, u_int32_t timeout);
  583 
  584 void scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
  585                        void (*cbfcnp)(struct cam_periph *, union ccb *),
  586                        uint8_t tag_action, uint8_t list_format,
  587                        uint32_t addr_desc_index, uint8_t *data_ptr,
  588                        uint32_t dxfer_len, int minimum_cmd_size, 
  589                        uint8_t sense_len, uint32_t timeout);
  590 
  591 void scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
  592                    void (*cbfcnp)(struct cam_periph *, union ccb *),
  593                    u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
  594                    u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
  595                    u_int32_t timeout);
  596 
  597 #endif /* !_KERNEL */
  598 __END_DECLS
  599 
  600 #endif /* _SCSI_SCSI_DA_H */

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