9b1fbd7dcf
native, i.e. big-endian, format and convert as appropriate like we also do with the multibyte fields of the other pages. This fixes the output of acd_describe() to match reality on big-endian machines without breaking it on little-endian ones. While at it, also convert the remaining multibyte fields of the pages read although they are currently unused for consistency and in order to prevent possible similar bugs in the future. MFC after: 1 week
316 lines
12 KiB
C
316 lines
12 KiB
C
/*-
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* Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/* CDROM Table Of Contents */
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#define MAXTRK 99
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struct toc {
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struct ioc_toc_header hdr;
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struct cd_toc_entry tab[MAXTRK + 1];
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};
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/* DVD CSS authentication */
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struct dvd_miscauth {
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u_int16_t length;
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u_int16_t reserved;
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u_int8_t data[2048];
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};
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/* CDROM Audio Control Parameters Page */
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struct audiopage {
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/* mode page data header */
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u_int16_t data_length;
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u_int8_t medium_type;
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u_int8_t dev_spec;
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u_int8_t unused[2];
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u_int16_t blk_desc_len;
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/* audio control page */
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u_int8_t page_code;
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#define ATAPI_CDROM_AUDIO_PAGE 0x0e
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#define ATAPI_CDROM_AUDIO_PAGE_MASK 0x4e
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u_int8_t param_len;
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u_int8_t flags;
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#define CD_PA_SOTC 0x02
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#define CD_PA_IMMED 0x04
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u_int8_t reserved3;
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u_int8_t reserved4;
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u_int8_t reserved5;
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u_int16_t lb_per_sec;
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struct port_control {
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u_int8_t channels:4;
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#define CHANNEL_0 1
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#define CHANNEL_1 2
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#define CHANNEL_2 4
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#define CHANNEL_3 8
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u_int8_t volume;
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} port[4];
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};
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/* CDROM Capabilities and Mechanical Status Page */
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struct cappage {
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/* mode page data header */
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u_int16_t data_length;
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u_int8_t medium_type;
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#define MST_TYPE_MASK_LOW 0x0f
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#define MST_FMT_NONE 0x00
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#define MST_DATA_120 0x01
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#define MST_AUDIO_120 0x02
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#define MST_COMB_120 0x03
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#define MST_PHOTO_120 0x04
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#define MST_DATA_80 0x05
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#define MST_AUDIO_80 0x06
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#define MST_COMB_80 0x07
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#define MST_PHOTO_80 0x08
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#define MST_TYPE_MASK_HIGH 0x70
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#define MST_CDROM 0x00
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#define MST_CDR 0x10
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#define MST_CDRW 0x20
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#define MST_DVD 0x40
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#define MST_NO_DISC 0x70
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#define MST_DOOR_OPEN 0x71
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#define MST_FMT_ERROR 0x72
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u_int8_t dev_spec;
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u_int16_t unused;
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u_int16_t blk_desc_len;
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/* capabilities page */
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u_int8_t page_code;
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#define ATAPI_CDROM_CAP_PAGE 0x2a
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u_int8_t param_len;
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u_int16_t media;
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#define MST_READ_CDR 0x0100
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#define MST_READ_CDRW 0x0200
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#define MST_READ_PACKET 0x0400
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#define MST_READ_DVDROM 0x0800
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#define MST_READ_DVDR 0x1000
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#define MST_READ_DVDRAM 0x2000
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#define MST_WRITE_CDR 0x0001
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#define MST_WRITE_CDRW 0x0002
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#define MST_WRITE_TEST 0x0004
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#define MST_WRITE_DVDR 0x0010
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#define MST_WRITE_DVDRAM 0x0020
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u_int16_t capabilities;
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#define MST_AUDIO_PLAY 0x0100
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#define MST_COMPOSITE 0x0200
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#define MST_AUDIO_P1 0x0400
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#define MST_AUDIO_P2 0x0800
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#define MST_MODE2_f1 0x1000
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#define MST_MODE2_f2 0x2000
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#define MST_MULTISESSION 0x4000
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#define MST_BURNPROOF 0x8000
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#define MST_READ_CDDA 0x0001
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#define MST_CDDA_STREAM 0x0002
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#define MST_COMBINED_RW 0x0004
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#define MST_CORRECTED_RW 0x0008
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#define MST_SUPPORT_C2 0x0010
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#define MST_ISRC 0x0020
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#define MST_UPC 0x0040
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u_int8_t mechanism;
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#define MST_LOCKABLE 0x01
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#define MST_LOCKED 0x02
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#define MST_PREVENT 0x04
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#define MST_EJECT 0x08
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#define MST_MECH_MASK 0xe0
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#define MST_MECH_CADDY 0x00
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#define MST_MECH_TRAY 0x20
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#define MST_MECH_POPUP 0x40
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#define MST_MECH_CHANGER 0x80
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#define MST_MECH_CARTRIDGE 0xa0
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uint8_t audio;
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#define MST_SEP_VOL 0x01
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#define MST_SEP_MUTE 0x02
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u_int16_t max_read_speed; /* max raw data rate in bytes/1000 */
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u_int16_t max_vol_levels; /* number of discrete volume levels */
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u_int16_t buf_size; /* internal buffer size in bytes/1024 */
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u_int16_t cur_read_speed; /* current data rate in bytes/1000 */
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u_int8_t reserved3;
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u_int8_t misc;
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u_int16_t max_write_speed; /* max raw data rate in bytes/1000 */
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u_int16_t cur_write_speed; /* current data rate in bytes/1000 */
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u_int16_t copy_protect_rev;
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u_int16_t reserved4;
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};
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#define CH_READY 0
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#define CH_LOADING 1
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#define CH_UNLOADING 2
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#define CH_INITIALIZING 3
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#define CD_IDLE 0
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#define CD_AUDIO_ACTIVE 1
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#define CD_AUDIO_SCAN 2
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#define CD_HOST_ACTIVE 3
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#define CD_NO_STATE 7
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/* CDROM Changer mechanism status structure */
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struct changer {
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u_int8_t current_slot :5; /* active changer slot */
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u_int8_t mech_state :2; /* current changer state */
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u_int8_t fault :1; /* fault in last operation */
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u_int8_t reserved0 :5;
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u_int8_t cd_state :3; /* current mechanism state */
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u_int8_t current_lba[3]; /* current LBA */
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u_int8_t slots; /* number of available slots */
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u_int16_t table_length; /* slot table length */
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struct {
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u_int8_t changed :1; /* media has changed in this slot */
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u_int8_t unused :6;
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u_int8_t present :1; /* slot has a CD present */
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u_int8_t reserved0;
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u_int8_t reserved1;
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u_int8_t reserved2;
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} slot[32];
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};
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/* CDROM Write Parameters Mode Page (Burners ONLY) */
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struct write_param {
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/* mode page data header */
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u_int16_t data_length;
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u_int8_t medium_type;
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u_int8_t dev_spec;
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u_int8_t unused[2];
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u_int16_t blk_desc_len;
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/* write parameters page */
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u_int8_t page_code;
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#define ATAPI_CDROM_WRITE_PARAMETERS_PAGE 0x05
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u_int8_t page_length; /* 0x32 */
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u_int8_t write_type :4; /* write stream type */
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#define CDR_WTYPE_PACKET 0x00
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#define CDR_WTYPE_TRACK 0x01
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#define CDR_WTYPE_SESSION 0x02
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#define CDR_WTYPE_RAW 0x03
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u_int8_t test_write :1; /* test write enable */
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u_int8_t link_size_valid :1;
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u_int8_t burnproof :1; /* BurnProof enable */
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u_int8_t reserved2_7 :1;
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u_int8_t track_mode :4; /* track mode */
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#define CDR_TMODE_AUDIO 0x00
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#define CDR_TMODE_AUDIO_PREEMP 0x01
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#define CDR_TMODE_ALLOW_COPY 0x02
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#define CDR_TMODE_DATA 0x04
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#define CDR_TMODE_QUAD_AUDIO 0x08
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u_int8_t copy :1; /* generation stamp */
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u_int8_t fp :1; /* fixed packet type */
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u_int8_t session_type :2; /* session type */
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#define CDR_SESS_NONE 0x00
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#define CDR_SESS_FINAL 0x01
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#define CDR_SESS_RESERVED 0x02
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#define CDR_SESS_MULTI 0x03
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u_int8_t datablock_type :4; /* data type code (see cdrio.h) */
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u_int8_t reserved4_4567 :4;
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u_int8_t link_size;
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u_int8_t reserved6;
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u_int8_t host_app_code :6; /* host application code */
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u_int8_t reserved7_67 :2;
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u_int8_t session_format; /* session format */
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#define CDR_SESS_CDROM 0x00
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#define CDR_SESS_CDI 0x10
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#define CDR_SESS_CDROM_XA 0x20
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u_int8_t reserved9;
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u_int32_t packet_size; /* packet size in bytes */
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u_int16_t audio_pause_length; /* audio pause length in secs */
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u_int8_t media_catalog_number[16];
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u_int8_t isr_code[16];
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u_int8_t sub_hdr_byte0;
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u_int8_t sub_hdr_byte1;
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u_int8_t sub_hdr_byte2;
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u_int8_t sub_hdr_byte3;
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u_int8_t vendor_specific_byte0;
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u_int8_t vendor_specific_byte1;
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u_int8_t vendor_specific_byte2;
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u_int8_t vendor_specific_byte3;
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} __packed;
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/* CDROM Read Track Information structure */
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struct acd_track_info {
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u_int16_t data_length;
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u_int8_t track_number; /* current track number */
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u_int8_t session_number; /* current session number */
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u_int8_t reserved4;
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u_int8_t track_mode :4; /* mode of this track */
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u_int8_t copy :1; /* generation stamp */
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u_int8_t damage :1; /* damaged track */
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u_int8_t reserved5_67 :2;
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u_int8_t data_mode :4; /* data mode of this disc */
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u_int8_t fp :1; /* fixed packet */
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u_int8_t packet :1; /* packet track */
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u_int8_t blank :1; /* blank (empty) track */
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u_int8_t rt :1; /* reserved track */
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u_int8_t nwa_valid :1; /* next_writeable_addr field valid */
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u_int8_t reserved7_17 :7;
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u_int track_start_addr; /* start of this track */
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u_int next_writeable_addr; /* next writeable addr on this disc */
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u_int free_blocks; /* free block on this disc */
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u_int fixed_packet_size; /* size of packets on this track */
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u_int track_length; /* length of this track */
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};
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/* Structure describing an ATAPI CDROM device */
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struct acd_softc {
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int flags; /* device state flags */
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#define F_LOCKED 0x0001 /* this unit is locked */
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struct toc toc; /* table of disc contents */
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struct audiopage au; /* audio page info */
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struct audiopage aumask; /* audio page mask */
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struct cappage cap; /* capabilities page info */
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struct cd_sub_channel_info subchan; /* subchannel info */
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struct changer *changer_info; /* changer info */
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struct acd_softc **driver; /* softc's of changer slots */
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int slot; /* this instance slot number */
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time_t timestamp; /* this instance timestamp */
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u_int32_t disk_size; /* size of current media */
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u_int32_t block_size; /* blocksize currently used */
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u_int32_t iomax; /* Max I/O request (bytes) */
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struct g_geom *gp; /* geom instance */
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struct g_provider *pp[MAXTRK+1]; /* providers */
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};
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