Source to scsi/stdefs.h


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/*
 *	stdefs.h,v 1.3 1993/05/20 03:46:55 cgd Exp
 */

#define STQSIZE		4
struct	st_data {
	struct scsi_switch *sc_sw;	/* address of scsi low level switch */
	int flags;
	int ctlr;			/* so they know which one we want */
	int targ;			/* our scsi target ID */
	int lu;				/* our scsi lu */
	int blkmin;			/* min blk size */
	int blkmax;			/* max blk size */
	int numblks;			/* nominal blocks capacity */
	int blksiz;			/* nominal block size */
	int info_valid;			/* the info about the device is valid */
	int initialized;
	struct buf buf[STQSIZE]; 	/* buffer for raw io (one per device) */
	struct buf buf_queue;
	struct scsi_xfer scsi_xfer;
	int blockwait;
};
#define ST_OPEN		0x01
#define	ST_NOREWIND	0x02
#define	ST_WRITTEN	0x04
#define	ST_FIXEDBLOCKS	0x10
#define	ST_AT_FILEMARK	0x20
#define	ST_AT_EOM	0x40

#define	ST_PER_ACTION	(ST_AT_FILEMARK | ST_AT_EOM)
#define	ST_PER_OPEN	(ST_OPEN | ST_NOREWIND | ST_WRITTEN | ST_PER_ACTION)