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| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/runfw/@/cam/scsi/scsi_cd.h |
/*-
* Copyright (c) 2000, 2002 Kenneth D. Merry
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*
* 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
*
* from: scsi_cd.h,v 1.10 1997/02/22 09:44:28 peter Exp $
* $FreeBSD: release/9.1.0/sys/cam/scsi/scsi_cd.h 111206 2003-02-21 06:19:38Z ken $
*/
#ifndef _SCSI_SCSI_CD_H
#define _SCSI_SCSI_CD_H 1
/*
* Define two bits always in the same place in byte 2 (flag byte)
*/
#define CD_RELADDR 0x01
#define CD_MSF 0x02
/*
* SCSI command format
*/
struct scsi_pause
{
u_int8_t op_code;
u_int8_t byte2;
u_int8_t unused[6];
u_int8_t resume;
u_int8_t control;
};
#define PA_PAUSE 1
#define PA_RESUME 0
struct scsi_play_msf
{
u_int8_t op_code;
u_int8_t byte2;
u_int8_t unused;
u_int8_t start_m;
u_int8_t start_s;
u_int8_t start_f;
u_int8_t end_m;
u_int8_t end_s;
u_int8_t end_f;
u_int8_t control;
};
struct scsi_play_track
{
u_int8_t op_code;
u_int8_t byte2;
u_int8_t unused[2];
u_int8_t start_track;
u_int8_t start_index;
u_int8_t unused1;
u_int8_t end_track;
u_int8_t end_index;
u_int8_t control;
};
struct scsi_play_10
{
u_int8_t op_code;
u_int8_t byte2;
u_int8_t blk_addr[4];
u_int8_t unused;
u_int8_t xfer_len[2];
u_int8_t control;
};
struct scsi_play_12
{
u_int8_t op_code;
u_int8_t byte2; /* same as above */
u_int8_t blk_addr[4];
u_int8_t xfer_len[4];
u_int8_t unused;
u_int8_t control;
};
struct scsi_play_rel_12
{
u_int8_t op_code;
u_int8_t byte2; /* same as above */
u_int8_t blk_addr[4];
u_int8_t xfer_len[4];
u_int8_t track;
u_int8_t control;
};
struct scsi_read_header
{
u_int8_t op_code;
u_int8_t byte2;
u_int8_t blk_addr[4];
u_int8_t unused;
u_int8_t data_len[2];
u_int8_t control;
};
struct scsi_read_subchannel
{
u_int8_t op_code;
u_int8_t byte1;
u_int8_t byte2;
#define SRS_SUBQ 0x40
u_int8_t subchan_format;
u_int8_t unused[2];
u_int8_t track;
u_int8_t data_len[2];
u_int8_t control;
};
struct scsi_read_toc
{
u_int8_t op_code;
u_int8_t byte2;
u_int8_t unused[4];
u_int8_t from_track;
u_int8_t data_len[2];
u_int8_t control;
};
struct scsi_read_cd_capacity
{
u_int8_t op_code;
u_int8_t byte2;
u_int8_t addr_3; /* Most Significant */
u_int8_t addr_2;
u_int8_t addr_1;
u_int8_t addr_0; /* Least Significant */
u_int8_t unused[3];
u_int8_t control;
};
struct scsi_set_speed
{
u_int8_t opcode;
u_int8_t byte2;
u_int8_t readspeed[2];
u_int8_t writespeed[2];
u_int8_t reserved[5];
u_int8_t control;
};
struct scsi_report_key
{
u_int8_t opcode;
u_int8_t reserved0;
u_int8_t lba[4];
u_int8_t reserved1[2];
u_int8_t alloc_len[2];
u_int8_t agid_keyformat;
#define RK_KF_AGID_MASK 0xc0
#define RK_KF_AGID_SHIFT 6
#define RK_KF_KEYFORMAT_MASK 0x3f
#define RK_KF_AGID 0x00
#define RK_KF_CHALLENGE 0x01
#define RF_KF_KEY1 0x02
#define RK_KF_KEY2 0x03
#define RF_KF_TITLE 0x04
#define RF_KF_ASF 0x05
#define RK_KF_RPC_SET 0x06
#define RF_KF_RPC_REPORT 0x08
#define RF_KF_INV_AGID 0x3f
u_int8_t control;
};
/*
* See the report key structure for key format and AGID definitions.
*/
struct scsi_send_key
{
u_int8_t opcode;
u_int8_t reserved[7];
u_int8_t param_len[2];
u_int8_t agid_keyformat;
u_int8_t control;
};
struct scsi_read_dvd_structure
{
u_int8_t opcode;
u_int8_t reserved;
u_int8_t address[4];
u_int8_t layer_number;
u_int8_t format;
#define RDS_FORMAT_PHYSICAL 0x00
#define RDS_FORMAT_COPYRIGHT 0x01
#define RDS_FORMAT_DISC_KEY 0x02
#define RDS_FORMAT_BCA 0x03
#define RDS_FORMAT_MANUFACTURER 0x04
#define RDS_FORMAT_CMGS_CPM 0x05
#define RDS_FORMAT_PROT_DISCID 0x06
#define RDS_FORMAT_DISC_KEY_BLOCK 0x07
#define RDS_FORMAT_DDS 0x08
#define RDS_FORMAT_DVDRAM_MEDIA_STAT 0x09
#define RDS_FORMAT_SPARE_AREA 0x0a
#define RDS_FORMAT_RMD_BORDEROUT 0x0c
#define RDS_FORMAT_RMD 0x0d
#define RDS_FORMAT_LEADIN 0x0e
#define RDS_FORMAT_DISC_ID 0x0f
#define RDS_FORMAT_DCB 0x30
#define RDS_FORMAT_WRITE_PROT 0xc0
#define RDS_FORMAT_STRUCTURE_LIST 0xff
u_int8_t alloc_len[2];
u_int8_t agid;
u_int8_t control;
};
/*
* Opcodes
*/
#define READ_CD_CAPACITY 0x25 /* slightly different from disk */
#define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */
#define READ_TOC 0x43 /* cdrom read TOC */
#define READ_HEADER 0x44 /* cdrom read header */
#define PLAY_10 0x45 /* cdrom play 'play audio' mode */
#define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */
#define PLAY_TRACK 0x48 /* cdrom play track/index mode */
#define PLAY_TRACK_REL 0x49 /* cdrom play track/index mode */
#define PAUSE 0x4b /* cdrom pause in 'play audio' mode */
#define SEND_KEY 0xa3 /* dvd send key command */
#define REPORT_KEY 0xa4 /* dvd report key command */
#define PLAY_12 0xa5 /* cdrom pause in 'play audio' mode */
#define PLAY_TRACK_REL_BIG 0xa9 /* cdrom play track/index mode */
#define READ_DVD_STRUCTURE 0xad /* read dvd structure */
#define SET_CD_SPEED 0xbb /* set c/dvd speed */
struct scsi_report_key_data_header
{
u_int8_t data_len[2];
u_int8_t reserved[2];
};
struct scsi_report_key_data_agid
{
u_int8_t data_len[2];
u_int8_t reserved[5];
u_int8_t agid;
#define RKD_AGID_MASK 0xc0
#define RKD_AGID_SHIFT 6
};
struct scsi_report_key_data_challenge
{
u_int8_t data_len[2];
u_int8_t reserved0[2];
u_int8_t challenge_key[10];
u_int8_t reserved1[2];
};
struct scsi_report_key_data_key1_key2
{
u_int8_t data_len[2];
u_int8_t reserved0[2];
u_int8_t key1[5];
u_int8_t reserved1[3];
};
struct scsi_report_key_data_title
{
u_int8_t data_len[2];
u_int8_t reserved0[2];
u_int8_t byte0;
#define RKD_TITLE_CPM 0x80
#define RKD_TITLE_CPM_SHIFT 7
#define RKD_TITLE_CP_SEC 0x40
#define RKD_TITLE_CP_SEC_SHIFT 6
#define RKD_TITLE_CMGS_MASK 0x30
#define RKD_TITLE_CMGS_SHIFT 4
#define RKD_TITLE_CMGS_NO_RST 0x00
#define RKD_TITLE_CMGS_RSVD 0x10
#define RKD_TITLE_CMGS_1_GEN 0x20
#define RKD_TITLE_CMGS_NO_COPY 0x30
u_int8_t title_key[5];
u_int8_t reserved1[2];
};
struct scsi_report_key_data_asf
{
u_int8_t data_len[2];
u_int8_t reserved[5];
u_int8_t success;
#define RKD_ASF_SUCCESS 0x01
};
struct scsi_report_key_data_rpc
{
u_int8_t data_len[2];
u_int8_t rpc_scheme0;
#define RKD_RPC_SCHEME_UNKNOWN 0x00
#define RKD_RPC_SCHEME_PHASE_II 0x01
u_int8_t reserved0;
u_int8_t byte4;
#define RKD_RPC_TYPE_MASK 0xC0
#define RKD_RPC_TYPE_SHIFT 6
#define RKD_RPC_TYPE_NONE 0x00
#define RKD_RPC_TYPE_SET 0x40
#define RKD_RPC_TYPE_LAST_CHANCE 0x80
#define RKD_RPC_TYPE_PERM 0xC0
#define RKD_RPC_VENDOR_RESET_MASK 0x38
#define RKD_RPC_VENDOR_RESET_SHIFT 3
#define RKD_RPC_USER_RESET_MASK 0x07
#define RKD_RPC_USER_RESET_SHIFT 0
u_int8_t region_mask;
u_int8_t rpc_scheme1;
u_int8_t reserved1;
};
struct scsi_send_key_data_rpc
{
u_int8_t data_len[2];
u_int8_t reserved0[2];
u_int8_t region_code;
u_int8_t reserved1[3];
};
/*
* Common header for the return data from the READ DVD STRUCTURE command.
*/
struct scsi_read_dvd_struct_data_header
{
u_int8_t data_len[2];
u_int8_t reserved[2];
};
struct scsi_read_dvd_struct_data_layer_desc
{
u_int8_t book_type_version;
#define RDSD_BOOK_TYPE_DVD_ROM 0x00
#define RDSD_BOOK_TYPE_DVD_RAM 0x10
#define RDSD_BOOK_TYPE_DVD_R 0x20
#define RDSD_BOOK_TYPE_DVD_RW 0x30
#define RDSD_BOOK_TYPE_DVD_PRW 0x90
#define RDSD_BOOK_TYPE_MASK 0xf0
#define RDSD_BOOK_TYPE_SHIFT 4
#define RDSD_BOOK_VERSION_MASK 0x0f
/*
* The lower 4 bits of this field is referred to as the "minimum
* rate" field in MMC2, and the "maximum rate" field in MMC3. Ugh.
*/
u_int8_t disc_size_max_rate;
#define RDSD_DISC_SIZE_120MM 0x00
#define RDSD_DISC_SIZE_80MM 0x10
#define RDSD_DISC_SIZE_MASK 0xf0
#define RDSD_DISC_SIZE_SHIFT 4
#define RDSD_MAX_RATE_0252 0x00
#define RDSD_MAX_RATE_0504 0x01
#define RDSD_MAX_RATE_1008 0x02
#define RDSD_MAX_RATE_NOT_SPEC 0x0f
#define RDSD_MAX_RATE_MASK 0x0f
u_int8_t layer_info;
#define RDSD_NUM_LAYERS_MASK 0x60
#define RDSD_NUM_LAYERS_SHIFT 5
#define RDSD_NL_ONE_LAYER 0x00
#define RDSD_NL_TWO_LAYERS 0x20
#define RDSD_TRACK_PATH_MASK 0x10
#define RDSD_TRACK_PATH_SHIFT 4
#define RDSD_TP_PTP 0x00
#define RDSD_TP_OTP 0x10
#define RDSD_LAYER_TYPE_RO 0x01
#define RDSD_LAYER_TYPE_RECORD 0x02
#define RDSD_LAYER_TYPE_RW 0x04
#define RDSD_LAYER_TYPE_MASK 0x0f
u_int8_t density;
#define RDSD_LIN_DENSITY_0267 0x00
#define RDSD_LIN_DENSITY_0293 0x10
#define RDSD_LIN_DENSITY_0409_0435 0x20
#define RDSD_LIN_DENSITY_0280_0291 0x40
/* XXX MMC2 uses 0.176um/bit instead of 0.353 as in MMC3 */
#define RDSD_LIN_DENSITY_0353 0x80
#define RDSD_LIN_DENSITY_MASK 0xf0
#define RDSD_LIN_DENSITY_SHIFT 4
#define RDSD_TRACK_DENSITY_074 0x00
#define RDSD_TRACK_DENSITY_080 0x01
#define RDSD_TRACK_DENSITY_0615 0x02
#define RDSD_TRACK_DENSITY_MASK 0x0f
u_int8_t zeros0;
u_int8_t main_data_start[3];
#define RDSD_MAIN_DATA_START_DVD_RO 0x30000
#define RDSD_MAIN_DATA_START_DVD_RW 0x31000
u_int8_t zeros1;
u_int8_t main_data_end[3];
u_int8_t zeros2;
u_int8_t end_sector_layer0[3];
u_int8_t bca;
#define RDSD_BCA 0x80
#define RDSD_BCA_MASK 0x80
#define RDSD_BCA_SHIFT 7
u_int8_t media_specific[2031];
};
struct scsi_read_dvd_struct_data_physical
{
u_int8_t data_len[2];
u_int8_t reserved[2];
struct scsi_read_dvd_struct_data_layer_desc layer_desc;
};
struct scsi_read_dvd_struct_data_copyright
{
u_int8_t data_len[2];
u_int8_t reserved0[2];
u_int8_t cps_type;
#define RDSD_CPS_NOT_PRESENT 0x00
#define RDSD_CPS_DATA_EXISTS 0x01
u_int8_t region_info;
u_int8_t reserved1[2];
};
struct scsi_read_dvd_struct_data_disc_key
{
u_int8_t data_len[2];
u_int8_t reserved[2];
u_int8_t disc_key[2048];
};
struct scsi_read_dvd_struct_data_bca
{
u_int8_t data_len[2];
u_int8_t reserved[2];
u_int8_t bca_info[188]; /* XXX 12-188 bytes */
};
struct scsi_read_dvd_struct_data_manufacturer
{
u_int8_t data_len[2];
u_int8_t reserved[2];
u_int8_t manuf_info[2048];
};
struct scsi_read_dvd_struct_data_copy_manage
{
u_int8_t data_len[2];
u_int8_t reserved0[2];
u_int8_t byte4;
#define RDSD_CPM_NO_COPYRIGHT 0x00
#define RDSD_CPM_HAS_COPYRIGHT 0x80
#define RDSD_CPM_MASK 0x80
#define RDSD_CMGS_COPY_ALLOWED 0x00
#define RDSD_CMGS_ONE_COPY 0x20
#define RDSD_CMGS_NO_COPIES 0x30
#define RDSD_CMGS_MASK 0x30
u_int8_t reserved1[3];
};
struct scsi_read_dvd_struct_data_prot_discid
{
u_int8_t data_len[2];
u_int8_t reserved[2];
u_int8_t prot_discid_data[16];
};
struct scsi_read_dvd_struct_data_disc_key_blk
{
/*
* Length is 0x6ffe == 28670 for CPRM, 0x3002 == 12990 for CSS2.
*/
u_int8_t data_len[2];
u_int8_t reserved;
u_int8_t total_packs;
u_int8_t disc_key_pack_data[28668];
};
struct scsi_read_dvd_struct_data_dds
{
u_int8_t data_len[2];
u_int8_t reserved[2];
u_int8_t dds_info[2048];
};
struct scsi_read_dvd_struct_data_medium_status
{
u_int8_t data_len[2];
u_int8_t reserved0[2];
u_int8_t byte4;
#define RDSD_MS_CARTRIDGE 0x80
#define RDSD_MS_OUT 0x40
#define RDSD_MS_MSWI 0x08
#define RDSD_MS_CWP 0x04
#define RDSD_MS_PWP 0x02
u_int8_t disc_type_id;
#define RDSD_DT_NEED_CARTRIDGE 0x00
#define RDSD_DT_NO_CART_NEEDED 0x01
u_int8_t reserved1;
u_int8_t ram_swi_info;
#define RDSD_SWI_NO_BARE 0x01
#define RDSD_SWI_UNSPEC 0xff
};
struct scsi_read_dvd_struct_data_spare_area
{
u_int8_t data_len[2];
u_int8_t reserved[2];
u_int8_t unused_primary[4];
u_int8_t unused_supl[4];
u_int8_t allocated_supl[4];
};
struct scsi_read_dvd_struct_data_rmd_borderout
{
u_int8_t data_len[2];
u_int8_t reserved[2];
u_int8_t rmd[30720]; /* maximum is 30720 bytes */
};
struct scsi_read_dvd_struct_data_rmd
{
u_int8_t data_len[2];
u_int8_t reserved[2];
u_int8_t last_sector_num[4];
u_int8_t rmd_bytes[32768]; /* This is the maximum */
};
/*
* XXX KDM this is the MMC2 version of the structure.
* The variable positions have changed (in a semi-conflicting way) in the
* MMC3 spec, although the overall length of the structure is the same.
*/
struct scsi_read_dvd_struct_data_leadin
{
u_int8_t data_len[2];
u_int8_t reserved0[2];
u_int8_t field_id_1;
u_int8_t app_code;
u_int8_t disc_physical_data;
u_int8_t last_addr[3];
u_int8_t reserved1[2];
u_int8_t field_id_2;
u_int8_t rwp;
u_int8_t rwp_wavelength;
u_int8_t optimum_write_strategy;
u_int8_t reserved2[4];
u_int8_t field_id_3;
u_int8_t manuf_id_17_12[6];
u_int8_t reserved3;
u_int8_t field_id_4;
u_int8_t manuf_id_11_6[6];
u_int8_t reserved4;
u_int8_t field_id_5;
u_int8_t manuf_id_5_0[6];
u_int8_t reserved5[25];
};
struct scsi_read_dvd_struct_data_disc_id
{
u_int8_t data_len[2];
u_int8_t reserved[4];
u_int8_t random_num[2];
u_int8_t year[4];
u_int8_t month[2];
u_int8_t day[2];
u_int8_t hour[2];
u_int8_t minute[2];
u_int8_t second[2];
};
struct scsi_read_dvd_struct_data_generic_dcb
{
u_int8_t content_desc[4];
#define SCSI_RCB
u_int8_t unknown_desc_actions[4];
#define RDSD_ACTION_RECORDING 0x0001
#define RDSD_ACTION_READING 0x0002
#define RDSD_ACTION_FORMAT 0x0004
#define RDSD_ACTION_MODIFY_DCB 0x0008
u_int8_t vendor_id[32];
u_int8_t dcb_data[32728];
};
struct scsi_read_dvd_struct_data_dcb
{
u_int8_t data_len[2];
u_int8_t reserved[2];
struct scsi_read_dvd_struct_data_generic_dcb dcb;
};
struct read_dvd_struct_write_prot
{
u_int8_t data_len[2];
u_int8_t reserved0[2];
u_int8_t write_prot_status;
#define RDSD_WPS_MSWI 0x08
#define RDSD_WPS_CWP 0x04
#define RDSD_WPS_PWP 0x02
#define RDSD_WPS_SWPP 0x01
u_int8_t reserved[3];
};
struct read_dvd_struct_list_entry
{
u_int8_t format_code;
u_int8_t sds_rds;
#define RDSD_SDS_NOT_WRITEABLE 0x00
#define RDSD_SDS_WRITEABLE 0x80
#define RDSD_SDS_MASK 0x80
#define RDSD_RDS_NOT_READABLE 0x00
#define RDSD_RDS_READABLE 0x40
#define RDSD_RDS_MASK 0x40
u_int8_t struct_len[2];
};
struct read_dvd_struct_data_list
{
u_int8_t data_len[2];
u_int8_t reserved[2];
struct read_dvd_struct_list_entry entries[0];
};
struct scsi_read_cd_cap_data
{
u_int8_t addr_3; /* Most significant */
u_int8_t addr_2;
u_int8_t addr_1;
u_int8_t addr_0; /* Least significant */
u_int8_t length_3; /* Most significant */
u_int8_t length_2;
u_int8_t length_1;
u_int8_t length_0; /* Least significant */
};
struct cd_audio_page
{
u_int8_t page_code;
#define CD_PAGE_CODE 0x3F
#define AUDIO_PAGE 0x0e
#define CD_PAGE_PS 0x80
u_int8_t param_len;
u_int8_t flags;
#define CD_PA_SOTC 0x02
#define CD_PA_IMMED 0x04
u_int8_t unused[2];
u_int8_t format_lba;
#define CD_PA_FORMAT_LBA 0x0F
#define CD_PA_APR_VALID 0x80
u_int8_t lb_per_sec[2];
struct port_control
{
u_int8_t channels;
#define CHANNEL 0x0F
#define CHANNEL_0 1
#define CHANNEL_1 2
#define CHANNEL_2 4
#define CHANNEL_3 8
#define LEFT_CHANNEL CHANNEL_0
#define RIGHT_CHANNEL CHANNEL_1
u_int8_t volume;
} port[4];
#define LEFT_PORT 0
#define RIGHT_PORT 1
};
union cd_pages
{
struct cd_audio_page audio;
};
struct cd_mode_data_10
{
struct scsi_mode_header_10 header;
struct scsi_mode_blk_desc blk_desc;
union cd_pages page;
};
struct cd_mode_data
{
struct scsi_mode_header_6 header;
struct scsi_mode_blk_desc blk_desc;
union cd_pages page;
};
union cd_mode_data_6_10
{
struct cd_mode_data mode_data_6;
struct cd_mode_data_10 mode_data_10;
};
struct cd_mode_params
{
STAILQ_ENTRY(cd_mode_params) links;
int cdb_size;
int alloc_len;
u_int8_t *mode_buf;
};
__BEGIN_DECLS
void scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int8_t tag_action, u_int32_t lba, u_int8_t agid,
u_int8_t key_format, u_int8_t *data_ptr,
u_int32_t dxfer_len, u_int8_t sense_len,
u_int32_t timeout);
void scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int8_t tag_action, u_int8_t agid, u_int8_t key_format,
u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
u_int32_t timeout);
void scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int8_t tag_action, u_int32_t address,
u_int8_t layer_number, u_int8_t format,
u_int8_t agid, u_int8_t *data_ptr,
u_int32_t dxfer_len, u_int8_t sense_len,
u_int32_t timeout);
__END_DECLS
#endif /*_SCSI_SCSI_CD_H*/