/*
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/*
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* -- <linux/cdrom.h>
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* -- <linux/cdrom.h>
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* general (not only SCSI) header library for linux CDROM drivers
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* general (not only SCSI) header library for linux CDROM drivers
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* (C) 1992 David Giller rafetmad@oxy.edu
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* (C) 1992 David Giller rafetmad@oxy.edu
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* 1994, 1995 Eberhard Moenkeberg emoenke@gwdg.de
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* 1994, 1995 Eberhard Moenkeberg emoenke@gwdg.de
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*
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*
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*/
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*/
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#ifndef _LINUX_CDROM_H
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#ifndef _LINUX_CDROM_H
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#define _LINUX_CDROM_H
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#define _LINUX_CDROM_H
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/*
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/*
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* some fix numbers
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* some fix numbers
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*/
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*/
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#define CD_MINS 74 /* max. minutes per CD, not really a limit */
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#define CD_MINS 74 /* max. minutes per CD, not really a limit */
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#define CD_SECS 60 /* seconds per minute */
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#define CD_SECS 60 /* seconds per minute */
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#define CD_FRAMES 75 /* frames per second */
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#define CD_FRAMES 75 /* frames per second */
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#define CD_SYNC_SIZE 12 /* 12 sync bytes per raw data frame, not transfered by the drive */
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#define CD_SYNC_SIZE 12 /* 12 sync bytes per raw data frame, not transfered by the drive */
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#define CD_HEAD_SIZE 4 /* header (address) bytes per raw data frame */
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#define CD_HEAD_SIZE 4 /* header (address) bytes per raw data frame */
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#define CD_SUBHEAD_SIZE 8 /* subheader bytes per raw XA data frame */
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#define CD_SUBHEAD_SIZE 8 /* subheader bytes per raw XA data frame */
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#define CD_XA_HEAD (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */
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#define CD_XA_HEAD (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */
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#define CD_XA_SYNC_HEAD (CD_SYNC_SIZE+CD_XA_HEAD)/* sync bytes + header of XA frame */
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#define CD_XA_SYNC_HEAD (CD_SYNC_SIZE+CD_XA_HEAD)/* sync bytes + header of XA frame */
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#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */
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#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */
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#define CD_FRAMESIZE_RAW 2352 /* bytes per frame, "raw" mode */
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#define CD_FRAMESIZE_RAW 2352 /* bytes per frame, "raw" mode */
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/* most drives don't deliver everything: */
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/* most drives don't deliver everything: */
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#define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE) /* 2340 */
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#define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE) /* 2340 */
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#define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE-CD_HEAD_SIZE) /* 2336 */
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#define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE-CD_HEAD_SIZE) /* 2336 */
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/* Optics drive also has a 'read all' mode: */
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/* Optics drive also has a 'read all' mode: */
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#define CD_FRAMESIZE_RAWER 2646 /* bytes per frame */
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#define CD_FRAMESIZE_RAWER 2646 /* bytes per frame */
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#define CD_EDC_SIZE 4 /* bytes EDC per most raw data frame types */
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#define CD_EDC_SIZE 4 /* bytes EDC per most raw data frame types */
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#define CD_ZERO_SIZE 8 /* bytes zero per yellow book mode 1 frame */
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#define CD_ZERO_SIZE 8 /* bytes zero per yellow book mode 1 frame */
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#define CD_ECC_SIZE 276 /* bytes ECC per most raw data frame types */
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#define CD_ECC_SIZE 276 /* bytes ECC per most raw data frame types */
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#define CD_XA_TAIL (CD_EDC_SIZE+CD_ECC_SIZE) /* "after data" part of raw XA frame */
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#define CD_XA_TAIL (CD_EDC_SIZE+CD_ECC_SIZE) /* "after data" part of raw XA frame */
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#define CD_FRAMESIZE_SUB 96 /* subchannel data "frame" size */
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#define CD_FRAMESIZE_SUB 96 /* subchannel data "frame" size */
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#define CD_MSF_OFFSET 150 /* MSF numbering offset of first frame */
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#define CD_MSF_OFFSET 150 /* MSF numbering offset of first frame */
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#define CD_CHUNK_SIZE 24 /* lowest-level "data bytes piece" */
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#define CD_CHUNK_SIZE 24 /* lowest-level "data bytes piece" */
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#define CD_NUM_OF_CHUNKS 98 /* chunks per frame */
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#define CD_NUM_OF_CHUNKS 98 /* chunks per frame */
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#define CD_FRAMESIZE_XA CD_FRAMESIZE_RAW1 /* obsolete name */
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#define CD_FRAMESIZE_XA CD_FRAMESIZE_RAW1 /* obsolete name */
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#define CD_BLOCK_OFFSET CD_MSF_OFFSET /* obsolete name */
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#define CD_BLOCK_OFFSET CD_MSF_OFFSET /* obsolete name */
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/*
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/*
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* the raw frame layout:
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* the raw frame layout:
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*
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*
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* - audio (red): | audio_sample_bytes |
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* - audio (red): | audio_sample_bytes |
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* | 2352 |
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* | 2352 |
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*
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*
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* - data (yellow, mode1): | sync - head - data - EDC - zero - ECC |
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* - data (yellow, mode1): | sync - head - data - EDC - zero - ECC |
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* | 12 - 4 - 2048 - 4 - 8 - 276 |
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* | 12 - 4 - 2048 - 4 - 8 - 276 |
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*
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*
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* - data (yellow, mode2): | sync - head - data |
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* - data (yellow, mode2): | sync - head - data |
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* | 12 - 4 - 2336 |
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* | 12 - 4 - 2336 |
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*
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*
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* - XA data (green, mode2 form1): | sync - head - sub - data - EDC - ECC |
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* - XA data (green, mode2 form1): | sync - head - sub - data - EDC - ECC |
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* | 12 - 4 - 8 - 2048 - 4 - 276 |
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* | 12 - 4 - 8 - 2048 - 4 - 276 |
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*
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*
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* - XA data (green, mode2 form2): | sync - head - sub - data - EDC |
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* - XA data (green, mode2 form2): | sync - head - sub - data - EDC |
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* | 12 - 4 - 8 - 2324 - 4 |
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* | 12 - 4 - 8 - 2324 - 4 |
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*/
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*/
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/*
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/*
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* CDROM IOCTL structures
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* CDROM IOCTL structures
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*/
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*/
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struct cdrom_blk
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struct cdrom_blk
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{
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{
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unsigned from;
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unsigned from;
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unsigned short len;
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unsigned short len;
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};
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};
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struct cdrom_msf
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struct cdrom_msf
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{
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{
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u_char cdmsf_min0; /* start minute */
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u_char cdmsf_min0; /* start minute */
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u_char cdmsf_sec0; /* start second */
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u_char cdmsf_sec0; /* start second */
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u_char cdmsf_frame0; /* start frame */
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u_char cdmsf_frame0; /* start frame */
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u_char cdmsf_min1; /* end minute */
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u_char cdmsf_min1; /* end minute */
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u_char cdmsf_sec1; /* end second */
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u_char cdmsf_sec1; /* end second */
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u_char cdmsf_frame1; /* end frame */
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u_char cdmsf_frame1; /* end frame */
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};
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};
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struct cdrom_ti
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struct cdrom_ti
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{
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{
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u_char cdti_trk0; /* start track */
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u_char cdti_trk0; /* start track */
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u_char cdti_ind0; /* start index */
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u_char cdti_ind0; /* start index */
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u_char cdti_trk1; /* end track */
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u_char cdti_trk1; /* end track */
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u_char cdti_ind1; /* end index */
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u_char cdti_ind1; /* end index */
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};
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};
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struct cdrom_tochdr
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struct cdrom_tochdr
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{
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{
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u_char cdth_trk0; /* start track */
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u_char cdth_trk0; /* start track */
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u_char cdth_trk1; /* end track */
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u_char cdth_trk1; /* end track */
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};
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};
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struct cdrom_msf0 /* address in MSF format */
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struct cdrom_msf0 /* address in MSF format */
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{
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{
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u_char minute;
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u_char minute;
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u_char second;
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u_char second;
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u_char frame;
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u_char frame;
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};
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};
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union cdrom_addr /* address in either MSF or logical format */
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union cdrom_addr /* address in either MSF or logical format */
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{
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{
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struct cdrom_msf0 msf;
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struct cdrom_msf0 msf;
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int lba;
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int lba;
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};
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};
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struct cdrom_tocentry
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struct cdrom_tocentry
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{
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{
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u_char cdte_track;
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u_char cdte_track;
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u_char cdte_adr :4;
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u_char cdte_adr :4;
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u_char cdte_ctrl :4;
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u_char cdte_ctrl :4;
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u_char cdte_format;
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u_char cdte_format;
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union cdrom_addr cdte_addr;
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union cdrom_addr cdte_addr;
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u_char cdte_datamode;
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u_char cdte_datamode;
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};
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};
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/*
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/*
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* CD-ROM address types (cdrom_tocentry.cdte_format)
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* CD-ROM address types (cdrom_tocentry.cdte_format)
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*/
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*/
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#define CDROM_LBA 0x01 /* "logical block": first frame is #0 */
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#define CDROM_LBA 0x01 /* "logical block": first frame is #0 */
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#define CDROM_MSF 0x02 /* "minute-second-frame": binary, not bcd here! */
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#define CDROM_MSF 0x02 /* "minute-second-frame": binary, not bcd here! */
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/*
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/*
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* bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl)
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* bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl)
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*/
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*/
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#define CDROM_DATA_TRACK 0x04
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#define CDROM_DATA_TRACK 0x04
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/*
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/*
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* The leadout track is always 0xAA, regardless of # of tracks on disc
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* The leadout track is always 0xAA, regardless of # of tracks on disc
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*/
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*/
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#define CDROM_LEADOUT 0xAA
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#define CDROM_LEADOUT 0xAA
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struct cdrom_subchnl
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struct cdrom_subchnl
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{
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{
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u_char cdsc_format;
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u_char cdsc_format;
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u_char cdsc_audiostatus;
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u_char cdsc_audiostatus;
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u_char cdsc_adr: 4;
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u_char cdsc_adr: 4;
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u_char cdsc_ctrl: 4;
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u_char cdsc_ctrl: 4;
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u_char cdsc_trk;
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u_char cdsc_trk;
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u_char cdsc_ind;
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u_char cdsc_ind;
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union cdrom_addr cdsc_absaddr;
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union cdrom_addr cdsc_absaddr;
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union cdrom_addr cdsc_reladdr;
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union cdrom_addr cdsc_reladdr;
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};
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};
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struct cdrom_mcn {
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struct cdrom_mcn {
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u_char medium_catalog_number[14]; /* 13 ASCII digits, null-terminated */
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u_char medium_catalog_number[14]; /* 13 ASCII digits, null-terminated */
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};
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};
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/*
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/*
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* audio states (from SCSI-2, but seen with other drives, too)
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* audio states (from SCSI-2, but seen with other drives, too)
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*/
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*/
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#define CDROM_AUDIO_INVALID 0x00 /* audio status not supported */
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#define CDROM_AUDIO_INVALID 0x00 /* audio status not supported */
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#define CDROM_AUDIO_PLAY 0x11 /* audio play operation in progress */
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#define CDROM_AUDIO_PLAY 0x11 /* audio play operation in progress */
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#define CDROM_AUDIO_PAUSED 0x12 /* audio play operation paused */
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#define CDROM_AUDIO_PAUSED 0x12 /* audio play operation paused */
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#define CDROM_AUDIO_COMPLETED 0x13 /* audio play successfully completed */
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#define CDROM_AUDIO_COMPLETED 0x13 /* audio play successfully completed */
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#define CDROM_AUDIO_ERROR 0x14 /* audio play stopped due to error */
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#define CDROM_AUDIO_ERROR 0x14 /* audio play stopped due to error */
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#define CDROM_AUDIO_NO_STATUS 0x15 /* no current audio status to return */
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#define CDROM_AUDIO_NO_STATUS 0x15 /* no current audio status to return */
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struct cdrom_volctrl
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struct cdrom_volctrl
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{
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{
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u_char channel0;
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u_char channel0;
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u_char channel1;
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u_char channel1;
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u_char channel2;
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u_char channel2;
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u_char channel3;
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u_char channel3;
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};
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};
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struct cdrom_read
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struct cdrom_read
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{
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{
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int cdread_lba;
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int cdread_lba;
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caddr_t cdread_bufaddr;
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caddr_t cdread_bufaddr;
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int cdread_buflen;
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int cdread_buflen;
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};
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};
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/*
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/*
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* extensions for transferring audio frames
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* extensions for transferring audio frames
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* currently used by sbpcd.c, cdu31a.c, ide-cd.c
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* currently used by sbpcd.c, cdu31a.c, ide-cd.c
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*/
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*/
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struct cdrom_read_audio
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struct cdrom_read_audio
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{
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{
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union cdrom_addr addr; /* frame address */
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union cdrom_addr addr; /* frame address */
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u_char addr_format; /* CDROM_LBA or CDROM_MSF */
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u_char addr_format; /* CDROM_LBA or CDROM_MSF */
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int nframes; /* number of 2352-byte-frames to read at once, limited by the drivers */
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int nframes; /* number of 2352-byte-frames to read at once, limited by the drivers */
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u_char *buf; /* frame buffer (size: nframes*2352 bytes) */
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u_char *buf; /* frame buffer (size: nframes*2352 bytes) */
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};
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};
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/*
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/*
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* this has to be the "arg" of the CDROMMULTISESSION ioctl
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* this has to be the "arg" of the CDROMMULTISESSION ioctl
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* for obtaining multi session info.
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* for obtaining multi session info.
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* The returned "addr" is valid only if "xa_flag" is true.
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* The returned "addr" is valid only if "xa_flag" is true.
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*/
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*/
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struct cdrom_multisession
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struct cdrom_multisession
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{
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{
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union cdrom_addr addr; /* frame address: start-of-last-session (not the new "frame 16"!)*/
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union cdrom_addr addr; /* frame address: start-of-last-session (not the new "frame 16"!)*/
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u_char xa_flag; /* 1: "is XA disk" */
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u_char xa_flag; /* 1: "is XA disk" */
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u_char addr_format; /* CDROM_LBA or CDROM_MSF */
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u_char addr_format; /* CDROM_LBA or CDROM_MSF */
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};
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};
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#ifdef FIVETWELVE
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#ifdef FIVETWELVE
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#define CDROM_MODE1_SIZE 512
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#define CDROM_MODE1_SIZE 512
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#else
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#else
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#define CDROM_MODE1_SIZE 2048
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#define CDROM_MODE1_SIZE 2048
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#endif FIVETWELVE
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#endif FIVETWELVE
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#define CDROM_MODE2_SIZE 2336
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#define CDROM_MODE2_SIZE 2336
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/*
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/*
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* CD-ROM IOCTL commands
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* CD-ROM IOCTL commands
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* For IOCTL calls, we will commandeer byte 0x53, or 'S'.
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* For IOCTL calls, we will commandeer byte 0x53, or 'S'.
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*/
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*/
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#define CDROMPAUSE 0x5301
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#define CDROMPAUSE 0x5301
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#define CDROMRESUME 0x5302
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#define CDROMRESUME 0x5302
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#define CDROMPLAYMSF 0x5303 /* (struct cdrom_msf) */
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#define CDROMPLAYMSF 0x5303 /* (struct cdrom_msf) */
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#define CDROMPLAYTRKIND 0x5304 /* (struct cdrom_ti) */
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#define CDROMPLAYTRKIND 0x5304 /* (struct cdrom_ti) */
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#define CDROMREADTOCHDR 0x5305 /* (struct cdrom_tochdr) */
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#define CDROMREADTOCHDR 0x5305 /* (struct cdrom_tochdr) */
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#define CDROMREADTOCENTRY 0x5306 /* (struct cdrom_tocentry) */
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#define CDROMREADTOCENTRY 0x5306 /* (struct cdrom_tocentry) */
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#define CDROMSTOP 0x5307 /* stop the drive motor */
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#define CDROMSTOP 0x5307 /* stop the drive motor */
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#define CDROMSTART 0x5308 /* turn the motor on */
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#define CDROMSTART 0x5308 /* turn the motor on */
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#define CDROMEJECT 0x5309 /* eject CD-ROM media */
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#define CDROMEJECT 0x5309 /* eject CD-ROM media */
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#define CDROMVOLCTRL 0x530a /* (struct cdrom_volctrl) */
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#define CDROMVOLCTRL 0x530a /* (struct cdrom_volctrl) */
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#define CDROMSUBCHNL 0x530b /* (struct cdrom_subchnl) */
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#define CDROMSUBCHNL 0x530b /* (struct cdrom_subchnl) */
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#define CDROMREADMODE2 0x530c /* (struct cdrom_read) */
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#define CDROMREADMODE2 0x530c /* (struct cdrom_read) */
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/* read type-2 data */
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/* read type-2 data */
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#define CDROMREADMODE1 0x530d /* (struct cdrom_read) */
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#define CDROMREADMODE1 0x530d /* (struct cdrom_read) */
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/* read type-1 data */
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/* read type-1 data */
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#define CDROMREADAUDIO 0x530e /* (struct cdrom_read_audio) */
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#define CDROMREADAUDIO 0x530e /* (struct cdrom_read_audio) */
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/*
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/*
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* enable (1) / disable (0) auto-ejecting
|
* enable (1) / disable (0) auto-ejecting
|
*/
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*/
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#define CDROMEJECT_SW 0x530f /* arg: 0 or 1 */
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#define CDROMEJECT_SW 0x530f /* arg: 0 or 1 */
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/*
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/*
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* obtain the start-of-last-session address of multi session disks
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* obtain the start-of-last-session address of multi session disks
|
*/
|
*/
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#define CDROMMULTISESSION 0x5310 /* (struct cdrom_multisession) */
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#define CDROMMULTISESSION 0x5310 /* (struct cdrom_multisession) */
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/*
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/*
|
* obtain the "universal product code" number
|
* obtain the "universal product code" number
|
* (only some data disks have it coded)
|
* (only some data disks have it coded)
|
*/
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*/
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#define CDROM_GET_UPC 0x5311 /* 8 bytes returned */
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#define CDROM_GET_UPC 0x5311 /* 8 bytes returned */
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#define CDROMRESET 0x5312 /* hard-reset the drive */
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#define CDROMRESET 0x5312 /* hard-reset the drive */
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#define CDROMVOLREAD 0x5313 /* let the drive tell its volume setting */
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#define CDROMVOLREAD 0x5313 /* let the drive tell its volume setting */
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/* (struct cdrom_volctrl) */
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/* (struct cdrom_volctrl) */
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|
|
/*
|
/*
|
* these ioctls are used in aztcd.c and optcd.c
|
* these ioctls are used in aztcd.c and optcd.c
|
*/
|
*/
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#define CDROMREADRAW 0x5314 /* read data in raw mode */
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#define CDROMREADRAW 0x5314 /* read data in raw mode */
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#define CDROMREADCOOKED 0x5315 /* read data in cooked mode */
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#define CDROMREADCOOKED 0x5315 /* read data in cooked mode */
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#define CDROMSEEK 0x5316 /* seek msf address */
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#define CDROMSEEK 0x5316 /* seek msf address */
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|
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/*
|
/*
|
* for playing audio in logical block addressing mode
|
* for playing audio in logical block addressing mode
|
*/
|
*/
|
#define CDROMPLAYBLK 0x5317 /* (struct cdrom_blk) */
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#define CDROMPLAYBLK 0x5317 /* (struct cdrom_blk) */
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|
|
/*
|
/*
|
* these ioctls are used in optcd.c
|
* these ioctls are used in optcd.c
|
*/
|
*/
|
#define CDROMREADALL 0x5318 /* read all 2646 bytes */
|
#define CDROMREADALL 0x5318 /* read all 2646 bytes */
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#define CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */
|
#define CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */
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|
|
|
|
/*
|
/*
|
* For controlling a changer. (Used by ATAPI driver.)
|
* For controlling a changer. (Used by ATAPI driver.)
|
* This ioctl is depreciated in favor of CDROM_SELECT_DISC from
|
* This ioctl is depreciated in favor of CDROM_SELECT_DISC from
|
* ucdrom.h. It will probably be deleted during the 2.1 kernel series.
|
* ucdrom.h. It will probably be deleted during the 2.1 kernel series.
|
*/
|
*/
|
#define CDROMLOADFROMSLOT 0x531a /* LOAD disk from slot*/
|
#define CDROMLOADFROMSLOT 0x531a /* LOAD disk from slot*/
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|
|
|
|
/*
|
/*
|
* CD-ROM-specific SCSI command opcodes
|
* CD-ROM-specific SCSI command opcodes
|
*/
|
*/
|
|
|
/*
|
/*
|
* Group 2 (10-byte). All of these are called 'optional' by SCSI-II.
|
* Group 2 (10-byte). All of these are called 'optional' by SCSI-II.
|
*/
|
*/
|
#define SCMD_READ_TOC 0x43 /* read table of contents */
|
#define SCMD_READ_TOC 0x43 /* read table of contents */
|
#define SCMD_PLAYAUDIO_MSF 0x47 /* play data at time offset */
|
#define SCMD_PLAYAUDIO_MSF 0x47 /* play data at time offset */
|
#define SCMD_PLAYAUDIO_TI 0x48 /* play data at track/index */
|
#define SCMD_PLAYAUDIO_TI 0x48 /* play data at track/index */
|
#define SCMD_PAUSE_RESUME 0x4B /* pause/resume audio */
|
#define SCMD_PAUSE_RESUME 0x4B /* pause/resume audio */
|
#define SCMD_READ_SUBCHANNEL 0x42 /* read SC info on playing disc */
|
#define SCMD_READ_SUBCHANNEL 0x42 /* read SC info on playing disc */
|
#define SCMD_PLAYAUDIO10 0x45 /* play data at logical block */
|
#define SCMD_PLAYAUDIO10 0x45 /* play data at logical block */
|
#define SCMD_READ_HEADER 0x44 /* read TOC header */
|
#define SCMD_READ_HEADER 0x44 /* read TOC header */
|
|
|
/*
|
/*
|
* Group 5
|
* Group 5
|
*/
|
*/
|
#define SCMD_PLAYAUDIO12 0xA5 /* play data at logical block */
|
#define SCMD_PLAYAUDIO12 0xA5 /* play data at logical block */
|
#define SCMD_PLAYTRACK_REL12 0xA9 /* play track at relative offset */
|
#define SCMD_PLAYTRACK_REL12 0xA9 /* play track at relative offset */
|
|
|
/*
|
/*
|
* Group 6 Commands
|
* Group 6 Commands
|
*/
|
*/
|
#define SCMD_CD_PLAYBACK_CONTROL 0xC9 /* Sony vendor-specific audio */
|
#define SCMD_CD_PLAYBACK_CONTROL 0xC9 /* Sony vendor-specific audio */
|
#define SCMD_CD_PLAYBACK_STATUS 0xC4 /* control opcodes */
|
#define SCMD_CD_PLAYBACK_STATUS 0xC4 /* control opcodes */
|
|
|
/*
|
/*
|
* CD-ROM capacity structure.
|
* CD-ROM capacity structure.
|
*/
|
*/
|
struct scsi_capacity
|
struct scsi_capacity
|
{
|
{
|
u_long capacity;
|
u_long capacity;
|
u_long lbasize;
|
u_long lbasize;
|
};
|
};
|
|
|
/*
|
/*
|
* CD-ROM MODE_SENSE/MODE_SELECT parameters
|
* CD-ROM MODE_SENSE/MODE_SELECT parameters
|
*/
|
*/
|
#define ERR_RECOVERY_PARMS 0x01
|
#define ERR_RECOVERY_PARMS 0x01
|
#define DISCO_RECO_PARMS 0x02
|
#define DISCO_RECO_PARMS 0x02
|
#define FORMAT_PARMS 0x03
|
#define FORMAT_PARMS 0x03
|
#define GEOMETRY_PARMS 0x04
|
#define GEOMETRY_PARMS 0x04
|
#define CERTIFICATION_PARMS 0x06
|
#define CERTIFICATION_PARMS 0x06
|
#define CACHE_PARMS 0x38
|
#define CACHE_PARMS 0x38
|
|
|
/*
|
/*
|
* standard mode-select header prepended to all mode-select commands
|
* standard mode-select header prepended to all mode-select commands
|
*/
|
*/
|
struct ccs_modesel_head
|
struct ccs_modesel_head
|
{
|
{
|
u_char _r1; /* reserved */
|
u_char _r1; /* reserved */
|
u_char medium; /* device-specific medium type */
|
u_char medium; /* device-specific medium type */
|
u_char _r2; /* reserved */
|
u_char _r2; /* reserved */
|
u_char block_desc_length; /* block descriptor length */
|
u_char block_desc_length; /* block descriptor length */
|
u_char density; /* device-specific density code */
|
u_char density; /* device-specific density code */
|
u_char number_blocks_hi; /* number of blocks in this block desc */
|
u_char number_blocks_hi; /* number of blocks in this block desc */
|
u_char number_blocks_med;
|
u_char number_blocks_med;
|
u_char number_blocks_lo;
|
u_char number_blocks_lo;
|
u_char _r3;
|
u_char _r3;
|
u_char block_length_hi; /* block length for blocks in this desc */
|
u_char block_length_hi; /* block length for blocks in this desc */
|
u_short block_length;
|
u_short block_length;
|
};
|
};
|
|
|
/*
|
/*
|
* error recovery parameters
|
* error recovery parameters
|
*/
|
*/
|
struct ccs_err_recovery
|
struct ccs_err_recovery
|
{
|
{
|
u_char _r1 : 2; /* reserved */
|
u_char _r1 : 2; /* reserved */
|
u_char page_code : 6; /* page code */
|
u_char page_code : 6; /* page code */
|
u_char page_length; /* page length */
|
u_char page_length; /* page length */
|
u_char awre : 1; /* auto write realloc enabled */
|
u_char awre : 1; /* auto write realloc enabled */
|
u_char arre : 1; /* auto read realloc enabled */
|
u_char arre : 1; /* auto read realloc enabled */
|
u_char tb : 1; /* transfer block */
|
u_char tb : 1; /* transfer block */
|
u_char rc : 1; /* read continuous */
|
u_char rc : 1; /* read continuous */
|
u_char eec : 1; /* enable early correction */
|
u_char eec : 1; /* enable early correction */
|
u_char per : 1; /* post error */
|
u_char per : 1; /* post error */
|
u_char dte : 1; /* disable transfer on error */
|
u_char dte : 1; /* disable transfer on error */
|
u_char dcr : 1; /* disable correction */
|
u_char dcr : 1; /* disable correction */
|
u_char retry_count; /* error retry count */
|
u_char retry_count; /* error retry count */
|
u_char correction_span; /* largest recov. to be attempted, bits */
|
u_char correction_span; /* largest recov. to be attempted, bits */
|
u_char head_offset_count; /* head offset (2's C) for each retry */
|
u_char head_offset_count; /* head offset (2's C) for each retry */
|
u_char strobe_offset_count; /* data strobe */
|
u_char strobe_offset_count; /* data strobe */
|
u_char recovery_time_limit; /* time limit on recovery attempts */
|
u_char recovery_time_limit; /* time limit on recovery attempts */
|
};
|
};
|
|
|
/*
|
/*
|
* disco/reco parameters
|
* disco/reco parameters
|
*/
|
*/
|
struct ccs_disco_reco
|
struct ccs_disco_reco
|
{
|
{
|
u_char _r1 : 2; /* reserved */
|
u_char _r1 : 2; /* reserved */
|
u_char page_code : 6; /* page code */
|
u_char page_code : 6; /* page code */
|
u_char page_length; /* page length */
|
u_char page_length; /* page length */
|
u_char buffer_full_ratio; /* write buffer reconnect threshold */
|
u_char buffer_full_ratio; /* write buffer reconnect threshold */
|
u_char buffer_empty_ratio; /* read */
|
u_char buffer_empty_ratio; /* read */
|
u_short bus_inactivity_limit; /* limit on bus inactivity time */
|
u_short bus_inactivity_limit; /* limit on bus inactivity time */
|
u_short disconnect_time_limit; /* minimum disconnect time */
|
u_short disconnect_time_limit; /* minimum disconnect time */
|
u_short connect_time_limit; /* minimum connect time */
|
u_short connect_time_limit; /* minimum connect time */
|
u_short _r2; /* reserved */
|
u_short _r2; /* reserved */
|
};
|
};
|
|
|
/*
|
/*
|
* drive geometry parameters
|
* drive geometry parameters
|
*/
|
*/
|
struct ccs_geometry
|
struct ccs_geometry
|
{
|
{
|
u_char _r1 : 2; /* reserved */
|
u_char _r1 : 2; /* reserved */
|
u_char page_code : 6; /* page code */
|
u_char page_code : 6; /* page code */
|
u_char page_length; /* page length */
|
u_char page_length; /* page length */
|
u_char cyl_ub; /* #cyls */
|
u_char cyl_ub; /* #cyls */
|
u_char cyl_mb;
|
u_char cyl_mb;
|
u_char cyl_lb;
|
u_char cyl_lb;
|
u_char heads; /* #heads */
|
u_char heads; /* #heads */
|
u_char precomp_cyl_ub; /* precomp start */
|
u_char precomp_cyl_ub; /* precomp start */
|
u_char precomp_cyl_mb;
|
u_char precomp_cyl_mb;
|
u_char precomp_cyl_lb;
|
u_char precomp_cyl_lb;
|
u_char current_cyl_ub; /* reduced current start */
|
u_char current_cyl_ub; /* reduced current start */
|
u_char current_cyl_mb;
|
u_char current_cyl_mb;
|
u_char current_cyl_lb;
|
u_char current_cyl_lb;
|
u_short step_rate; /* stepping motor rate */
|
u_short step_rate; /* stepping motor rate */
|
u_char landing_cyl_ub; /* landing zone */
|
u_char landing_cyl_ub; /* landing zone */
|
u_char landing_cyl_mb;
|
u_char landing_cyl_mb;
|
u_char landing_cyl_lb;
|
u_char landing_cyl_lb;
|
u_char _r2;
|
u_char _r2;
|
u_char _r3;
|
u_char _r3;
|
u_char _r4;
|
u_char _r4;
|
};
|
};
|
|
|
/*
|
/*
|
* cache parameters
|
* cache parameters
|
*/
|
*/
|
struct ccs_cache
|
struct ccs_cache
|
{
|
{
|
u_char _r1 : 2; /* reserved */
|
u_char _r1 : 2; /* reserved */
|
u_char page_code : 6; /* page code */
|
u_char page_code : 6; /* page code */
|
u_char page_length; /* page length */
|
u_char page_length; /* page length */
|
u_char mode; /* cache control byte */
|
u_char mode; /* cache control byte */
|
u_char threshold; /* prefetch threshold */
|
u_char threshold; /* prefetch threshold */
|
u_char max_prefetch; /* maximum prefetch size */
|
u_char max_prefetch; /* maximum prefetch size */
|
u_char max_multiplier; /* maximum prefetch multiplier */
|
u_char max_multiplier; /* maximum prefetch multiplier */
|
u_char min_prefetch; /* minimum prefetch size */
|
u_char min_prefetch; /* minimum prefetch size */
|
u_char min_multiplier; /* minimum prefetch multiplier */
|
u_char min_multiplier; /* minimum prefetch multiplier */
|
u_char _r2[8];
|
u_char _r2[8];
|
};
|
};
|
|
|
#endif _LINUX_CDROM_H
|
#endif _LINUX_CDROM_H
|
/*==========================================================================*/
|
/*==========================================================================*/
|
/*
|
/*
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
* Emacs will notice this stuff at the end of the file and automatically
|
* Emacs will notice this stuff at the end of the file and automatically
|
* adjust the settings for this buffer only. This must remain at the end
|
* adjust the settings for this buffer only. This must remain at the end
|
* of the file.
|
* of the file.
|
* ---------------------------------------------------------------------------
|
* ---------------------------------------------------------------------------
|
* Local variables:
|
* Local variables:
|
* c-indent-level: 8
|
* c-indent-level: 8
|
* c-brace-imaginary-offset: 0
|
* c-brace-imaginary-offset: 0
|
* c-brace-offset: -8
|
* c-brace-offset: -8
|
* c-argdecl-indent: 8
|
* c-argdecl-indent: 8
|
* c-label-offset: -8
|
* c-label-offset: -8
|
* c-continued-statement-offset: 8
|
* c-continued-statement-offset: 8
|
* c-continued-brace-offset: 0
|
* c-continued-brace-offset: 0
|
* End:
|
* End:
|
*/
|
*/
|
|
|
