62 lines
1.1 KiB
C
62 lines
1.1 KiB
C
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#ifndef _ST_H
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#define _ST_H
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/*
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$Header: /usr/src/linux/kernel/blk_drv/scsi/RCS/st.h,v 1.1 1992/04/24 18:01:50 root Exp root $
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*/
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#ifndef _SCSI_H
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#include "scsi.h"
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#endif
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typedef struct {
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int in_use;
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struct mtget * mt_status;
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int buffer_size;
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int buffer_blocks;
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int buffer_bytes;
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int read_pointer;
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int writing;
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int last_result;
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int last_result_fatal;
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unsigned char b_data[1];
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} ST_buffer;
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typedef struct {
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unsigned capacity;
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struct wait_queue * waiting;
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Scsi_Device* device;
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unsigned dirty:1;
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unsigned rw:2;
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unsigned eof:2;
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unsigned write_prot:1;
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unsigned in_use:1;
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unsigned eof_hit:1;
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unsigned drv_buffer:3;
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unsigned char density;
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ST_buffer * buffer;
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int block_size;
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int min_block;
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int max_block;
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int recover_count;
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Scsi_Cmnd SCpnt;
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} Scsi_Tape;
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/* Values of eof */
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#define ST_NOEOF 0
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#define ST_FM 1
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#define ST_EOM_OK 2
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#define ST_EOM_ERROR 3
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/* Values of rw */
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#define ST_IDLE 0
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#define ST_READING 1
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#define ST_WRITING 2
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/* Positioning SCSI-commands for Tandberg, etc. drives */
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#define QFA_REQUEST_BLOCK 0x02
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#define QFA_SEEK_BLOCK 0x0c
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#endif
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