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c61333539c
Defer the WRITE SESSION command until the first write command, so that it works like the prepare track command, allowing the device to be closed after the command.
129 lines
2.9 KiB
C
129 lines
2.9 KiB
C
#ifndef _SCSI_SCSI_WORM_H
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#define _SCSI_SCSI_WORM_H
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#define PAGE_HEADERLEN 2
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/*
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* Opcodes
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*/
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#define REZERO_UNIT 0x01 /* re-init; XXX belongs to scsi_all? */
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#define SYNCHRONIZE_CACHE 0x35 /* flush write buffer, close wr chn */
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#define FIRST_WRITEABLE_ADDR 0xe2 /* return first available LBA */
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#define RESERVE_TRACK 0xe4 /* reserve a track for later write */
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#define READ_TRACK_INFORMATION 0xe5 /* get info for a particular track */
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#define WRITE_TRACK 0xe6 /* open the write channel */
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#define LOAD_UNLOAD 0xe7 /* resembles part of START_STOP */
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#define FIXATION 0xe9 /* write leadin/leadout */
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#define WRITE_SESSION 0xed /* guide to write a new session */
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#define READ_SESSION_INFO 0xee /* read leadin/leadout lengths */
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struct scsi_rezero_unit
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{
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u_char op_code;
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u_char byte2;
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u_char reserved[3];
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u_char control;
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};
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struct scsi_synchronize_cache
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{
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u_char op_code;
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u_char byte2;
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u_char reserved[7];
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u_char control;
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};
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/* struct scsi_first_writeable_address; */
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struct scsi_reserve_track
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{
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u_char op_code;
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u_char byte2;
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u_char reserved[3];
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u_char reserve_length_3; /* MSB */
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u_char reserve_length_2;
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u_char reserve_length_1;
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u_char reserve_length_0; /* LSB */
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u_char control;
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};
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/* struct scsi_read_track_information; */
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struct scsi_write_track
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{
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u_char op_code;
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u_char byte2;
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u_char reserved[3];
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u_char track_number; /* 0 means: use next available */
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u_char mode;
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#define WORM_TRACK_MODE_RAW 0x08
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#define WORM_TRACK_MODE_AUDIO 0x04
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#define WORM_TRACK_MODE_MODE1 0x01 /* also audio with preemphasis */
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#define WORM_TRACK_MODE_MODE2 0x02
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u_char transfer_length_1; /* number of blocks to transfer, MSB */
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u_char transfer_length_0; /* LSB */
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u_char control;
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#define WORM_TRACK_CONTROL_MIX 0x40 /* mixed mode blocks */
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};
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struct scsi_load_unload
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{
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u_char op_code;
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u_char byte2;
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u_char reserved[6];
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u_char load;
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#define WORM_LOAD_MEDIUM 0x01
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u_char control;
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};
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struct scsi_fixation
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{
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u_char op_code;
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u_char byte2;
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u_char reserved[6];
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u_char action;
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#define WORM_FIXATION_ONP 0x08 /* open next program area (new session) */
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#define WORM_TOC_TYPE_AUDIO 0x00
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#define WORM_TOC_TYPE_CDROM 0x01
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#define WORM_TOC_TYPE_CDROM_1 0x02 /* CD-ROM, first track mode 1 (?) */
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#define WORM_TOC_TYPE_CDROM_2 0x03 /* CD-ROM, first track mode 2 */
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#define WORM_TOC_TYPE_CDI 0x04
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u_char control;
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};
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struct scsi_write_session
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{
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u_char op_code;
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u_char byte2;
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u_char reserved[4];
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u_char action; /* see scsi_fixation above */
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#define WORM_LOFP_MODE_MODE1 0x10
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#define WORM_LOFP_MODE_MODE2 0x20
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u_char transfer_length_2; /* number of blocks to transfer, MSB */
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u_char transfer_length_1; /* LSB */
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u_char control;
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};
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struct scsi_read_session_info
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{
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u_char op_code;
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u_char byte2;
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u_char reserved[6];
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u_char transfer_length;
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u_char control;
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};
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struct scsi_first_writable_address
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{
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u_char op_code;
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u_char byte2;
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u_char track_number;
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u_char mode;
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u_char reserved[4];
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u_char transfer_length;
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u_char control;
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};
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#endif /* _SCSI_SCSI_WORM_H */
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