scsi_da.h

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/*
 * Structures and definitions for SCSI commands to Direct Access Devices
 */
 
/*-
 * Some lines of this file come from a file of the name "scsi.h"
 * distributed by OSF as part of mach2.5,
 *  so the following disclaimer has been kept.
 *
 * Copyright 1990 by Open Software Foundation,
 * Grenoble, FRANCE
 *
 *              All Rights Reserved
 *
 *   Permission to use, copy, modify, and distribute this software and
 * its documentation for any purpose and without fee is hereby granted,
 * provided that the above copyright notice appears in all copies and
 * that both the copyright notice and this permission notice appear in
 * supporting documentation, and that the name of OSF or Open Software
 * Foundation not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior
 * permission.
 *
 *   OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
 * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
 * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
/*-
 * Largely written by Julian Elischer (julian@tfs.com)
 * for TRW Financial Systems.
 *
 * TRW Financial Systems, in accordance with their agreement with Carnegie
 * Mellon University, makes this software available to CMU to distribute
 * or use in any manner that they see fit as long as this message is kept with
 * the software. For this reason TFS also grants any other persons or
 * organisations permission to use or modify this software.
 *
 * TFS supplies this software to be publicly redistributed
 * on the understanding that TFS is not responsible for the correct
 * functioning of this software in any circumstances.
 *
 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
 *
 * $FreeBSD$
 */
 
#ifndef _SCSI_SCSI_DA_H
#define _SCSI_SCSI_DA_H 1
 
#include <sys/cdefs.h>
 
struct scsi_rezero_unit
{
        u_int8_t opcode;
#define SRZU_LUN_MASK 0xE0
        u_int8_t byte2;
        u_int8_t reserved[3];
        u_int8_t control;
};
 
/*
 * NOTE:  The lower three bits of byte2 of the format CDB are the same as
 * the lower three bits of byte2 of the read defect data CDB, below.
 */
struct scsi_format_unit
{
        u_int8_t opcode;
        u_int8_t byte2;
#define FU_FORMAT_MASK  SRDD10_DLIST_FORMAT_MASK
#define FU_BLOCK_FORMAT SRDD10_BLOCK_FORMAT
#define FU_BFI_FORMAT   SRDD10_BYTES_FROM_INDEX_FORMAT
#define FU_PHYS_FORMAT  SRDD10_PHYSICAL_SECTOR_FORMAT
#define FU_CMPLST       0x08
#define FU_FMT_DATA     0x10
        u_int8_t vendor_specific;
        u_int8_t interleave[2];
        u_int8_t control;
};
 
struct scsi_reassign_blocks
{
        u_int8_t opcode;
        u_int8_t byte2;
        u_int8_t unused[3];
        u_int8_t control;
};
 
struct scsi_read_defect_data_10
{
        uint8_t opcode;
        uint8_t byte2;
#define SRDD10_GLIST 0x08
#define SRDD10_PLIST 0x10
#define SRDD10_DLIST_FORMAT_MASK 0x07
#define SRDD10_BLOCK_FORMAT            0x00
#define SRDD10_EXT_BFI_FORMAT          0x01
#define SRDD10_EXT_PHYS_FORMAT         0x02
#define SRDD10_LONG_BLOCK_FORMAT       0x03
#define SRDD10_BYTES_FROM_INDEX_FORMAT 0x04
#define SRDD10_PHYSICAL_SECTOR_FORMAT  0x05
#define SRDD10_VENDOR_FORMAT           0x06
        uint8_t format;
        uint8_t reserved[4];
        uint8_t alloc_length[2];
#define SRDD10_MAX_LENGTH               0xffff
        uint8_t control;
};
 
struct scsi_sanitize
{
        u_int8_t opcode;
        u_int8_t byte2;
#define SSZ_SERVICE_ACTION_OVERWRITE         0x01
#define SSZ_SERVICE_ACTION_BLOCK_ERASE       0x02
#define SSZ_SERVICE_ACTION_CRYPTO_ERASE      0x03
#define SSZ_SERVICE_ACTION_EXIT_MODE_FAILURE 0x1F
#define SSZ_UNRESTRICTED_EXIT                0x20
#define SSZ_IMMED                            0x80
        u_int8_t reserved[5];
        u_int8_t length[2];
        u_int8_t control;
};
 
struct scsi_sanitize_parameter_list
{
        u_int8_t byte1;
#define SSZPL_INVERT 0x80
        u_int8_t reserved;
        u_int8_t length[2];
        /* Variable length initialization pattern. */
#define SSZPL_MAX_PATTERN_LENGTH 65535
};
 
struct scsi_read_defect_data_12
{
        uint8_t opcode;
#define SRDD12_GLIST 0x08
#define SRDD12_PLIST 0x10
#define SRDD12_DLIST_FORMAT_MASK 0x07
#define SRDD12_BLOCK_FORMAT            SRDD10_BLOCK_FORMAT
#define SRDD12_BYTES_FROM_INDEX_FORMAT SRDD10_BYTES_FROM_INDEX_FORMAT
#define SRDD12_PHYSICAL_SECTOR_FORMAT  SRDD10_PHYSICAL_SECTOR_FORMAT
        uint8_t format;
        uint8_t address_descriptor_index[4];
        uint8_t alloc_length[4];
#define SRDD12_MAX_LENGTH               0xffffffff
        uint8_t reserved;
        uint8_t control;
};
 
struct scsi_zbc_out
{
        uint8_t opcode;
        uint8_t service_action;
#define ZBC_OUT_SA_CLOSE        0x01
#define ZBC_OUT_SA_FINISH       0x02
#define ZBC_OUT_SA_OPEN         0x03
#define ZBC_OUT_SA_RWP          0x04
        uint8_t zone_id[8];
        uint8_t reserved[4];
        uint8_t zone_flags;
#define ZBC_OUT_ALL             0x01
        uint8_t control;
};
 
struct scsi_zbc_in
{
        uint8_t opcode;
        uint8_t service_action;
#define ZBC_IN_SA_REPORT_ZONES  0x00
        uint8_t zone_start_lba[8];
        uint8_t length[4];
        uint8_t zone_options;
#define ZBC_IN_PARTIAL          0x80
#define ZBC_IN_REP_ALL_ZONES    0x00
#define ZBC_IN_REP_EMPTY        0x01
#define ZBC_IN_REP_IMP_OPEN     0x02
#define ZBC_IN_REP_EXP_OPEN     0x03
#define ZBC_IN_REP_CLOSED       0x04
#define ZBC_IN_REP_FULL         0x05
#define ZBC_IN_REP_READONLY     0x06
#define ZBC_IN_REP_OFFLINE      0x07
#define ZBC_IN_REP_RESET        0x10
#define ZBC_IN_REP_NON_SEQ      0x11
#define ZBC_IN_REP_NON_WP       0x3f
#define ZBC_IN_REP_MASK         0x3f
        uint8_t control;
};
 
struct scsi_report_zones_desc {
        uint8_t zone_type;
#define SRZ_TYPE_CONVENTIONAL   0x01
#define SRZ_TYPE_SEQ_REQUIRED   0x02
#define SRZ_TYPE_SEQ_PREFERRED  0x03
#define SRZ_TYPE_MASK           0x0f
        uint8_t zone_flags;
#define SRZ_ZONE_COND_SHIFT     4
#define SRZ_ZONE_COND_MASK      0xf0
#define SRZ_ZONE_COND_NWP       0x00
#define SRZ_ZONE_COND_EMPTY     0x10
#define SRZ_ZONE_COND_IMP_OPEN  0x20
#define SRZ_ZONE_COND_EXP_OPEN  0x30
#define SRZ_ZONE_COND_CLOSED    0x40
#define SRZ_ZONE_COND_READONLY  0xd0
#define SRZ_ZONE_COND_FULL      0xe0
#define SRZ_ZONE_COND_OFFLINE   0xf0
#define SRZ_ZONE_NON_SEQ        0x02
#define SRZ_ZONE_RESET          0x01
        uint8_t reserved[6];
        uint8_t zone_length[8];
        uint8_t zone_start_lba[8];
        uint8_t write_pointer_lba[8];
        uint8_t reserved2[32];
};
 
struct scsi_report_zones_hdr {
        uint8_t length[4];
        uint8_t byte4;
#define SRZ_SAME_ALL_DIFFERENT   0x00 /* Lengths and types vary */
#define SRZ_SAME_ALL_SAME        0x01 /* Lengths and types the same */
#define SRZ_SAME_LAST_DIFFERENT  0x02 /* Types same, last length varies */
#define SRZ_SAME_TYPES_DIFFERENT 0x03 /* Types vary, length the same */
#define SRZ_SAME_MASK            0x0f
        uint8_t reserved[3];
        uint8_t maximum_lba[8];
        uint8_t reserved2[48];
        struct scsi_report_zones_desc desc_list[];
};
 
/*
 * Opcodes
 */
#define REZERO_UNIT             0x01
#define FORMAT_UNIT             0x04
#define REASSIGN_BLOCKS         0x07
#define MODE_SELECT             0x15
#define MODE_SENSE              0x1a
#define READ_FORMAT_CAPACITIES  0x23
#define WRITE_AND_VERIFY        0x2e
#define VERIFY                  0x2f
#define READ_DEFECT_DATA_10     0x37
#define SANITIZE                0x48
#define ZBC_OUT                 0x94
#define ZBC_IN                  0x95
#define READ_DEFECT_DATA_12     0xb7
 
struct format_defect_list_header
{
        u_int8_t reserved;
        u_int8_t byte2;
#define FU_DLH_VS       0x01
#define FU_DLH_IMMED    0x02
#define FU_DLH_DSP      0x04
#define FU_DLH_IP       0x08
#define FU_DLH_STPF     0x10
#define FU_DLH_DCRT     0x20
#define FU_DLH_DPRY     0x40
#define FU_DLH_FOV      0x80
        u_int8_t defect_list_length[2];
};
 
struct format_ipat_descriptor
{
        u_int8_t byte1;
#define FU_INIT_NO_HDR          0x00
#define FU_INIT_LBA_MSB         0x40
#define FU_INIT_LBA_EACH        0x80
#define FU_INIT_SI              0x20
        u_int8_t pattern_type;
#define FU_INIT_PAT_DEFAULT     0x00
#define FU_INIT_PAT_REPEAT      0x01
        u_int8_t pat_length[2];
};
 
struct scsi_read_format_capacities
{
        uint8_t opcode;         /* READ_FORMAT_CAPACITIES */
        uint8_t byte2;
#define SRFC_LUN_MASK   0xE0
        uint8_t reserved0[5];
        uint8_t alloc_length[2];
        uint8_t reserved1[3];
};
 
struct scsi_verify_10
{
        uint8_t opcode;         /* VERIFY(10) */
        uint8_t byte2;
#define SVFY_LUN_MASK   0xE0
#define SVFY_RELADR     0x01
#define SVFY_BYTCHK     0x02
#define SVFY_DPO        0x10
        uint8_t addr[4];        /* LBA to begin verification at */
        uint8_t group;
        uint8_t length[2];              /* number of blocks to verify */
        uint8_t control;
};
 
struct scsi_verify_12
{
        uint8_t opcode;         /* VERIFY(12) */
        uint8_t byte2;
        uint8_t addr[4];        /* LBA to begin verification at */
        uint8_t length[4];              /* number of blocks to verify */
        uint8_t group;
        uint8_t control;
};
 
struct scsi_verify_16
{
        uint8_t opcode;         /* VERIFY(16) */
        uint8_t byte2;
        uint8_t addr[8];        /* LBA to begin verification at */
        uint8_t length[4];              /* number of blocks to verify */
        uint8_t group;
        uint8_t control;
};
 
struct scsi_compare_and_write
{
        uint8_t opcode;         /* COMPARE AND WRITE */
        uint8_t byte2;
        uint8_t addr[8];        /* LBA to begin verification at */
        uint8_t reserved[3];
        uint8_t length;         /* number of blocks */
        uint8_t group;
        uint8_t control;
};
 
struct scsi_write_and_verify
{
        uint8_t opcode;         /* WRITE_AND_VERIFY */
        uint8_t byte2;
#define SWVY_LUN_MASK   0xE0
#define SWVY_RELADR     0x01
#define SWVY_BYTECHK    0x02
#define SWVY_DPO        0x10
        uint8_t addr[4];        /* LBA to begin verification at */
        uint8_t reserved0[1];
        uint8_t len[2];         /* number of blocks to write and verify */
        uint8_t reserved1[3];
};
 
/*
 * Replies to READ_FORMAT_CAPACITIES look like this:
 *
 * struct format_capacity_list_header
 * struct format_capacity_descriptor[1..n]
 *
 * These are similar, but not totally identical to, the
 * defect list used to format a rigid disk.
 *
 * The appropriate csio_decode() format string looks like this:
 * "{} *i3 {Len} i1 {Blocks} i4 {} *b6 {Code} b2 {Blocklen} i3"
 *
 * If the capacity_list_length is greater than
 * sizeof(struct format_capacity_descriptor), then there are
 * additional format capacity descriptors available which
 * denote which format(s) the drive can handle.
 *
 * (Source: USB Mass Storage UFI Specification)
 */
 
struct format_capacity_list_header {
        uint8_t unused[3];
        uint8_t capacity_list_length;
};
 
struct format_capacity_descriptor {
        uint8_t nblocks[4];     /* total number of LBAs */
        uint8_t byte4;          /* only present in max/cur descriptor */
#define FCD_CODE_MASK   0x03    /* mask for code field above */
#define FCD_UNFORMATTED 0x01    /* unformatted media present,
                                 * maximum capacity returned */
#define FCD_FORMATTED   0x02    /* formatted media present,
                                 * current capacity returned */
#define FCD_NOMEDIA     0x03    /* no media present,
                                 * maximum device capacity returned */
        uint8_t block_length[3];        /* length of an LBA in bytes */
};
 
struct scsi_reassign_blocks_data
{
        u_int8_t reserved[2];
        u_int8_t length[2];
        struct {
                u_int8_t dlbaddr[4];    /* defect logical block address */
        } defect_descriptor[1];
};
 
/*
 * This is the list header for the READ DEFECT DATA(10) command above.
 * It may be a bit wrong to append the 10 at the end of the data structure,
 * since it's only 4 bytes but it does tie it to the 10 byte command.
 */
struct scsi_read_defect_data_hdr_10
{
        u_int8_t reserved;
#define SRDDH10_GLIST 0x08
#define SRDDH10_PLIST 0x10
#define SRDDH10_DLIST_FORMAT_MASK 0x07
#define SRDDH10_BLOCK_FORMAT            0x00
#define SRDDH10_BYTES_FROM_INDEX_FORMAT 0x04
#define SRDDH10_PHYSICAL_SECTOR_FORMAT  0x05
        u_int8_t format;
        u_int8_t length[2];
#define SRDDH10_MAX_LENGTH      SRDD10_MAX_LENGTH -                          \
                                sizeof(struct scsi_read_defect_data_hdr_10) 
};
 
struct scsi_defect_desc_block
{
        u_int8_t address[4];
};
 
struct scsi_defect_desc_long_block
{
        u_int8_t address[8];
};
 
struct scsi_defect_desc_bytes_from_index
{
        u_int8_t cylinder[3];
        u_int8_t head;
#define SDD_EXT_BFI_MADS                0x80000000
#define SDD_EXT_BFI_FLAG_MASK           0xf0000000
#define SDD_EXT_BFI_ENTIRE_TRACK        0x0fffffff
        u_int8_t bytes_from_index[4];
};
 
struct scsi_defect_desc_phys_sector
{
        u_int8_t cylinder[3];
        u_int8_t head;
#define SDD_EXT_PHYS_MADS               0x80000000
#define SDD_EXT_PHYS_FLAG_MASK          0xf0000000
#define SDD_EXT_PHYS_ENTIRE_TRACK       0x0fffffff
        u_int8_t sector[4];
};
 
struct scsi_read_defect_data_hdr_12
{
        u_int8_t reserved;
#define SRDDH12_GLIST 0x08
#define SRDDH12_PLIST 0x10
#define SRDDH12_DLIST_FORMAT_MASK 0x07
#define SRDDH12_BLOCK_FORMAT            0x00
#define SRDDH12_BYTES_FROM_INDEX_FORMAT 0x04
#define SRDDH12_PHYSICAL_SECTOR_FORMAT  0x05
        u_int8_t format;
        u_int8_t generation[2];
        u_int8_t length[4];
#define SRDDH12_MAX_LENGTH      SRDD12_MAX_LENGTH -                         \
                                sizeof(struct scsi_read_defect_data_hdr_12)
};
 
union   disk_pages /* this is the structure copied from osf */
{
        struct format_device_page {
                u_int8_t pg_code;       /* page code (should be 3)            */
#define SMS_FORMAT_DEVICE_PAGE  0x03    /* only 6 bits valid */
                u_int8_t pg_length;     /* page length (should be 0x16)       */
#define SMS_FORMAT_DEVICE_PLEN  0x16
                u_int8_t trk_z_1;       /* tracks per zone (MSB)              */
                u_int8_t trk_z_0;       /* tracks per zone (LSB)              */
                u_int8_t alt_sec_1;     /* alternate sectors per zone (MSB)   */
                u_int8_t alt_sec_0;     /* alternate sectors per zone (LSB)   */
                u_int8_t alt_trk_z_1;   /* alternate tracks per zone (MSB)    */
                u_int8_t alt_trk_z_0;   /* alternate tracks per zone (LSB)    */
                u_int8_t alt_trk_v_1;   /* alternate tracks per volume (MSB)  */
                u_int8_t alt_trk_v_0;   /* alternate tracks per volume (LSB)  */
                u_int8_t ph_sec_t_1;    /* physical sectors per track (MSB)   */
                u_int8_t ph_sec_t_0;    /* physical sectors per track (LSB)   */
                u_int8_t bytes_s_1;     /* bytes per sector (MSB)             */
                u_int8_t bytes_s_0;     /* bytes per sector (LSB)             */
                u_int8_t interleave_1;  /* interleave (MSB)                   */
                u_int8_t interleave_0;  /* interleave (LSB)                   */
                u_int8_t trk_skew_1;    /* track skew factor (MSB)            */
                u_int8_t trk_skew_0;    /* track skew factor (LSB)            */
                u_int8_t cyl_skew_1;    /* cylinder skew (MSB)                */
                u_int8_t cyl_skew_0;    /* cylinder skew (LSB)                */
                u_int8_t flags;         /* various */
#define                 DISK_FMT_SURF   0x10
#define                 DISK_FMT_RMB    0x20
#define                 DISK_FMT_HSEC   0x40
#define                 DISK_FMT_SSEC   0x80
                u_int8_t reserved21;
                u_int8_t reserved22;
                u_int8_t reserved23;
        } format_device;
        struct rigid_geometry_page {
                u_int8_t pg_code;       /* page code (should be 4)            */
#define SMS_RIGID_GEOMETRY_PAGE 0x04
                u_int8_t pg_length;     /* page length (should be 0x16)       */
#define SMS_RIGID_GEOMETRY_PLEN 0x16            
                u_int8_t ncyl_2;        /* number of cylinders (MSB)          */
                u_int8_t ncyl_1;        /* number of cylinders                */
                u_int8_t ncyl_0;        /* number of cylinders (LSB)          */
                u_int8_t nheads;        /* number of heads                    */
                u_int8_t st_cyl_wp_2;   /* starting cyl., write precomp (MSB) */
                u_int8_t st_cyl_wp_1;   /* starting cyl., write precomp       */
                u_int8_t st_cyl_wp_0;   /* starting cyl., write precomp (LSB) */
                u_int8_t st_cyl_rwc_2;  /* starting cyl., red. write cur (MSB)*/
                u_int8_t st_cyl_rwc_1;  /* starting cyl., red. write cur      */
                u_int8_t st_cyl_rwc_0;  /* starting cyl., red. write cur (LSB)*/
                u_int8_t driv_step_1;   /* drive step rate (MSB)              */
                u_int8_t driv_step_0;   /* drive step rate (LSB)              */
                u_int8_t land_zone_2;   /* landing zone cylinder (MSB)        */
                u_int8_t land_zone_1;   /* landing zone cylinder              */
                u_int8_t land_zone_0;   /* landing zone cylinder (LSB)        */
                u_int8_t rpl;           /* rotational position locking (2 bits) */
                u_int8_t rot_offset;    /* rotational offset */
                u_int8_t reserved19;
                u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */
                u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */
                u_int8_t reserved22;
                u_int8_t reserved23;
        } rigid_geometry;
        struct flexible_disk_page {
                u_int8_t pg_code;       /* page code (should be 5)            */
#define SMS_FLEXIBLE_GEOMETRY_PAGE 0x05
                u_int8_t pg_length;     /* page length (should be 0x1E)       */
#define SMS_FLEXIBLE_GEOMETRY_PLEN 0x1E
                u_int8_t xfr_rate_1;    /* transfer rate (MSB)                */
                u_int8_t xfr_rate_0;    /* transfer rate (LSB)                */
                u_int8_t nheads;        /* number of heads                    */
                u_int8_t sec_per_track; /* Sectors per track                  */
                u_int8_t bytes_s_1;     /* bytes per sector (MSB)             */
                u_int8_t bytes_s_0;     /* bytes per sector (LSB)             */
                u_int8_t ncyl_1;        /* number of cylinders (MSB)          */
                u_int8_t ncyl_0;        /* number of cylinders (LSB)          */
                u_int8_t st_cyl_wp_1;   /* starting cyl., write precomp (MSB) */
                u_int8_t st_cyl_wp_0;   /* starting cyl., write precomp (LSB) */
                u_int8_t st_cyl_rwc_1;  /* starting cyl., red. write cur (MSB)*/
                u_int8_t st_cyl_rwc_0;  /* starting cyl., red. write cur (LSB)*/                
                u_int8_t driv_step_1;   /* drive step rate (MSB)              */
                u_int8_t driv_step_0;   /* drive step rate (LSB)              */
                u_int8_t driv_step_pw;  /* drive step pulse width             */
                u_int8_t head_stl_del_1;/* Head settle delay (MSB)            */
                u_int8_t head_stl_del_0;/* Head settle delay (LSB)            */
                u_int8_t motor_on_del;  /* Motor on delay                     */
                u_int8_t motor_off_del; /* Motor off delay                    */
                u_int8_t trdy_ssn_mo;   /* XXX ??? */
                u_int8_t spc;           /* XXX ??? */
                u_int8_t write_comp;    /* Write compensation */
                u_int8_t head_load_del; /* Head load delay */
                u_int8_t head_uload_del;/* Head un-load delay */
                u_int8_t pin32_pin2;
                u_int8_t pin4_pint1;
                u_int8_t medium_rot_rate_1; /* medium rotation rate (RPM) (MSB) */
                u_int8_t medium_rot_rate_0; /* medium rotation rate (RPM) (LSB) */              
                u_int8_t reserved30;
                u_int8_t reserved31;
        } flexible_disk;        
};
 
/*
 * XXX KDM
 * Here for CTL compatibility, reconcile this.
 */
struct scsi_format_page {
        uint8_t page_code;
        uint8_t page_length;
        uint8_t tracks_per_zone[2];
        uint8_t alt_sectors_per_zone[2];
        uint8_t alt_tracks_per_zone[2];
        uint8_t alt_tracks_per_lun[2];
        uint8_t sectors_per_track[2];
        uint8_t bytes_per_sector[2];
        uint8_t interleave[2];
        uint8_t track_skew[2];
        uint8_t cylinder_skew[2];
        uint8_t flags;
#define SFP_SSEC        0x80
#define SFP_HSEC        0x40
#define SFP_RMB         0x20
#define SFP_SURF        0x10
        uint8_t reserved[3];
};
 
/*
 * XXX KDM
 * Here for CTL compatibility, reconcile this.
 */
struct scsi_rigid_disk_page {
        uint8_t page_code;
#define SMS_RIGID_DISK_PAGE             0x04
        uint8_t page_length;
        uint8_t cylinders[3];
        uint8_t heads;
        uint8_t start_write_precomp[3];
        uint8_t start_reduced_current[3];
        uint8_t step_rate[2];
        uint8_t landing_zone_cylinder[3];
        uint8_t rpl;
#define SRDP_RPL_DISABLED       0x00
#define SRDP_RPL_SLAVE          0x01
#define SRDP_RPL_MASTER         0x02
#define SRDP_RPL_MASTER_CONTROL 0x03
        uint8_t rotational_offset;
        uint8_t reserved1;
        uint8_t rotation_rate[2];
        uint8_t reserved2[2];
};
 
struct scsi_da_rw_recovery_page {
        u_int8_t page_code;
#define SMS_RW_ERROR_RECOVERY_PAGE      0x01
        u_int8_t page_length;
        u_int8_t byte3;
#define SMS_RWER_AWRE                   0x80
#define SMS_RWER_ARRE                   0x40
#define SMS_RWER_TB                     0x20
#define SMS_RWER_RC                     0x10
#define SMS_RWER_EER                    0x08
#define SMS_RWER_PER                    0x04
#define SMS_RWER_DTE                    0x02
#define SMS_RWER_DCR                    0x01
        u_int8_t read_retry_count;
        u_int8_t correction_span;
        u_int8_t head_offset_count;
        u_int8_t data_strobe_offset_cnt;
        u_int8_t byte8;
#define SMS_RWER_LBPERE                 0x80
        u_int8_t write_retry_count;
        u_int8_t reserved2;
        u_int8_t recovery_time_limit[2];
};
 
struct scsi_da_verify_recovery_page {
        u_int8_t page_code;
#define SMS_VERIFY_ERROR_RECOVERY_PAGE  0x07
        u_int8_t page_length;
        u_int8_t byte3;
#define SMS_VER_EER                     0x08
#define SMS_VER_PER                     0x04
#define SMS_VER_DTE                     0x02
#define SMS_VER_DCR                     0x01
        u_int8_t read_retry_count;
        u_int8_t reserved[6];
        u_int8_t recovery_time_limit[2];
};
 
__BEGIN_DECLS
/*
 * XXX These are only left out of the kernel build to silence warnings.  If,
 * for some reason these functions are used in the kernel, the ifdefs should
 * be moved so they are included both in the kernel and userland.
 */
#ifndef _KERNEL
void scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
                      void (*cbfcnp)(struct cam_periph *, union ccb *),
                      u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
                      u_int8_t *data_ptr, u_int32_t dxfer_len,
                      u_int8_t sense_len, u_int32_t timeout);
 
void scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
                       void (*cbfcnp)(struct cam_periph *, union ccb *),
                       uint8_t tag_action, uint8_t list_format,
                       uint32_t addr_desc_index, uint8_t *data_ptr,
                       uint32_t dxfer_len, int minimum_cmd_size, 
                       uint8_t sense_len, uint32_t timeout);
 
void scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
                   void (*cbfcnp)(struct cam_periph *, union ccb *),
                   u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
                   u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
                   u_int32_t timeout);
 
#endif /* !_KERNEL */
 
void scsi_zbc_out(struct ccb_scsiio *csio, uint32_t retries, 
                  void (*cbfcnp)(struct cam_periph *, union ccb *),
                  uint8_t tag_action, uint8_t service_action, uint64_t zone_id,
                  uint8_t zone_flags, uint8_t *data_ptr, uint32_t dxfer_len,
                  uint8_t sense_len, uint32_t timeout);
 
void scsi_zbc_in(struct ccb_scsiio *csio, uint32_t retries, 
                 void (*cbfcnp)(struct cam_periph *, union ccb *),
                 uint8_t tag_action, uint8_t service_action,
                 uint64_t zone_start_lba, uint8_t zone_options,
                 uint8_t *data_ptr, uint32_t dxfer_len, uint8_t sense_len,
                 uint32_t timeout);
 
int scsi_ata_zac_mgmt_out(struct ccb_scsiio *csio, uint32_t retries, 
                          void (*cbfcnp)(struct cam_periph *, union ccb *),
                          uint8_t tag_action, int use_ncq,
                          uint8_t zm_action, uint64_t zone_id,
                          uint8_t zone_flags, uint8_t *data_ptr,
                          uint32_t dxfer_len, uint8_t *cdb_storage,
                          size_t cdb_storage_len, uint8_t sense_len,
                          uint32_t timeout);
 
int scsi_ata_zac_mgmt_in(struct ccb_scsiio *csio, uint32_t retries, 
                         void (*cbfcnp)(struct cam_periph *, union ccb *),
                         uint8_t tag_action, int use_ncq,
                         uint8_t zm_action, uint64_t zone_id,
                         uint8_t zone_flags, uint8_t *data_ptr,
                         uint32_t dxfer_len, uint8_t *cdb_storage,
                         size_t cdb_storage_len, uint8_t sense_len,
                         uint32_t timeout);
 
__END_DECLS
 
#endif /* _SCSI_SCSI_DA_H */