common upgrades

Change-Id: I567fc15845b601019d346569ecfcef4f89687fd2

include/sys/mtio.h

@@ -0,0 +1,45 @@
+/* <sys/mtio.h> magnetic tape commands			Author: Kees J. Bot
+ */
+
+#ifndef _SYS__MTIO_H
+#define _SYS__MTIO_H
+
+/* Tape operations: ioctl(fd, MTIOCTOP, &struct mtop) */
+
+struct mtop {
+	short	mt_op;		/* Operation (MTWEOF, etc.) */
+	int	mt_count;	/* Repeat count. */
+};
+
+#define MTWEOF	 0	/* Write End-Of-File Marker */
+#define MTFSF	 1	/* Forward Space File mark */
+#define MTBSF	 2	/* Backward Space File mark */
+#define MTFSR	 3	/* Forward Space Record */
+#define MTBSR	 4	/* Backward Space Record */
+#define MTREW	 5	/* Rewind tape */
+#define MTOFFL	 6	/* Rewind and take Offline */
+#define MTNOP	 7	/* No-Operation, set status only */
+#define MTRETEN	 8	/* Retension (completely wind and rewind) */
+#define MTERASE	 9	/* Erase the tape and rewind */
+#define MTEOM	10	/* Position at End-Of-Media */
+#define MTMODE	11	/* Select tape density */
+#define MTBLKZ	12	/* Select tape block size */
+
+/* Tape status: ioctl(fd, MTIOCGET, &struct mtget) */
+
+struct mtget {
+	short	mt_type;	/* Type of tape device. */
+
+	/* Device dependent "registers". */
+	short	mt_dsreg;	/* Drive status register. */
+	short	mt_erreg;	/* Error register. */
+	short	dummy;		/* (alignment) */
+
+	/* Misc info. */
+	off_t	mt_resid;	/* Residual count. */
+	off_t	mt_fileno;	/* Current File Number. */
+	off_t	mt_blkno;	/* Current Block Number within file. */
+	off_t	mt_blksize;	/* Current block size. */
+};
+
+#endif /* _SYS__MTIO_H */