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Add MTRETEN, MTERASE, MTEOM, and MTNBSF, per SunOS.

This commit is contained in:
mycroft 1994-04-05 21:07:19 +00:00
parent b2edbd1ccd
commit 8e9b025479
1 changed files with 13 additions and 9 deletions
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22
sys/sys/mtio.h
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)mtio.h 7.6 (Berkeley) 2/5/91
* $Id: mtio.h,v 1.6 1994/02/01 20:43:17 mycroft Exp $
* $Id: mtio.h,v 1.7 1994/04/05 21:07:19 mycroft Exp $
*/
#ifndef _SYS_MTIO_H_
@ -56,10 +56,14 @@ struct mtop {
#define MTREW 5 /* rewind */
#define MTOFFL 6 /* rewind and put the drive offline */
#define MTNOP 7 /* no operation, sets status only */
#define MTCACHE 8 /* enable controller cache */
#define MTNOCACHE 9 /* disable controller cache */
#define MTSETBSIZ 10 /* set block size; 0 for variable */
#define MTSETDNSTY 11 /* set density code for current mode */
#define MTRETEN 8 /* retension */
#define MTERASE 9 /* erase entire tape */
#define MTEOM 10 /* forward to end of media */
#define MTNBSF 11 /* backward space to beginning of file */
#define MTCACHE 12 /* enable controller cache */
#define MTNOCACHE 13 /* disable controller cache */
#define MTSETBSIZ 14 /* set block size; 0 for variable */
#define MTSETDNSTY 15 /* set density code for current mode */
/* structure for MTIOCGET - mag tape get status command */
@ -70,14 +74,14 @@ struct mtget {
short mt_erreg; /* ``error'' register */
/* end device-dependent registers */
short mt_resid; /* residual count */
daddr_t mt_blksiz; /* current block size */
daddr_t mt_density; /* current density code */
daddr_t mt_mblksiz[4]; /* block size for different modes */
daddr_t mt_mdensity[4]; /* density codes for different modes */
/* the following two are not yet implemented */
daddr_t mt_fileno; /* file number of current position */
daddr_t mt_blkno; /* block number of current position */
/* end not yet implemented */
daddr_t mt_blksiz; /* current block size */
daddr_t mt_density; /* current density code */
daddr_t mt_mblksiz[4]; /* block size for different modes */
daddr_t mt_mdensity[4]; /* density codes for different modes */
};
/*