Definitions used by the WDCIOCCOMMAND ioctl. Mostly inspired by the

SCIOCCOMMAND ioctl.

sys/sys/wdcio.h

@@ -0,0 +1,37 @@
+/*	$NetBSD: wdcio.h,v 1.1 1998/11/19 19:44:34 kenh Exp $	*/
+
+#ifndef _SYS_WDCIO_H_
+#define _SYS_WDCIO_H_
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
+typedef struct	wdcreq {
+	u_long	flags;		/* info about the request status and type */
+	u_char	command;	/* command code */
+	u_char	features;	/* feature modifier bits for command */
+	u_char	sec_count;	/* sector count */
+	u_char	sec_num;	/* sector number */
+	u_char	head;		/* head number */
+	u_short	cylinder;	/* cylinder/lba address */
+
+	caddr_t	databuf;	/* Pointer to I/O data buffer */
+	u_long	datalen;	/* length of data buffer */
+	int	timeout;	/* Command timeout */
+	u_char	retsts;		/* the return status for the command */
+	u_char	error;		/* error bits */
+} wdcreq_t;
+
+/* bit defintions for flags */
+#define WDCCMD_READ		0x00000001
+#define WDCCMD_WRITE		0x00000002
+
+/* definitions for the return status (retsts) */
+#define WDCCMD_OK	0x00
+#define WDCCMD_TIMEOUT	0x01
+#define WDCCMD_ERROR	0x02
+#define WDCCMD_DF	0x03
+
+#define WDCIOCCOMMAND	_IOWR('Q', 8, wdcreq_t)
+
+#endif /* _SYS_WDCIO_H_ */