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-
- #ifndef _ST_H
- #define _ST_H
- /*
- $Header: /usr/src/linux/kernel/blk_drv/scsi/RCS/st.h,v 1.1 1992/04/24 18:01:50 root Exp root $
- */
-
- #ifndef _SCSI_H
- #include "scsi.h"
- #endif
-
- typedef struct {
- int in_use;
- int buffer_size;
- int buffer_blocks;
- int buffer_bytes;
- int read_pointer;
- int writing;
- int last_result;
- int last_result_fatal;
- unsigned char b_data[1];
- } ST_buffer;
-
- typedef struct {
- unsigned capacity;
- struct wait_queue * waiting;
- Scsi_Device* device;
- unsigned char dirty;
- unsigned char rw;
- unsigned char ready;
- unsigned char eof;
- unsigned char write_prot;
- unsigned char drv_write_prot;
- unsigned char in_use;
- unsigned char eof_hit;
- unsigned char drv_buffer;
- unsigned char do_buffer_writes;
- unsigned char do_async_writes;
- unsigned char do_read_ahead;
- unsigned char two_fm;
- unsigned char fast_mteom;
- unsigned char density;
- ST_buffer * buffer;
- int block_size;
- int min_block;
- int max_block;
- int write_threshold;
- int recover_count;
- int drv_block; /* The block where the drive head is */
- unsigned char moves_after_eof;
- unsigned char at_sm;
- struct mtget * mt_status;
- Scsi_Cmnd SCpnt;
- } Scsi_Tape;
-
- /* Values of eof */
- #define ST_NOEOF 0
- #define ST_FM 1
- #define ST_EOM_OK 2
- #define ST_EOM_ERROR 3
- #define ST_EOD 4
-
- /* Values of rw */
- #define ST_IDLE 0
- #define ST_READING 1
- #define ST_WRITING 2
-
- /* Values of ready state */
- #define ST_READY 0
- #define ST_NOT_READY 1
- #define ST_NO_TAPE 2
-
- /* Positioning SCSI-commands for Tandberg, etc. drives */
- #define QFA_REQUEST_BLOCK 0x02
- #define QFA_SEEK_BLOCK 0x0c
-
- #endif
-
-