New code from Julian.

sys/sys/scsiio.h

@@ -0,0 +1,63 @@
+
+#ifndef _SYS_SCSIIO_H_
+#define _SYS_SCSIIO_H_
+
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
+#define	SENSEBUFLEN 48
+
+typedef struct	scsireq {
+	u_long	flags;		/* info about the request status and type */
+	u_long	timeout;
+	u_char	cmd[16];	/* 12 is actually the max */
+	u_char	cmdlen;
+	caddr_t	databuf;	/* address in user space of buffer */
+	u_long	datalen;	/* size of user buffer (request) */
+	u_long	datalen_used;	/* size of user buffer (used)*/
+	u_char	sense[SENSEBUFLEN]; /* returned sense will be in here */
+	u_char	senselen;	/* sensedata request size (MAX of SENSEBUFLEN)*/
+	u_char	senselen_used;	/* return value only */
+	u_char	status;		/* what the scsi status was from the adapter */
+	u_char	retsts;		/* the return status for the command */
+	int	error;		/* error bits */
+} scsireq_t;
+
+/* bit defintions for flags */
+#define SCCMD_READ		0x00000001
+#define SCCMD_WRITE		0x00000002
+#define SCCMD_IOV		0x00000004
+#define SCCMD_ESCAPE		0x00000010
+#define SCCMD_TARGET		0x00000020
+
+
+/* definitions for the return status (retsts) */
+#define SCCMD_OK	0x00
+#define SCCMD_TIMEOUT	0x01
+#define SCCMD_BUSY	0x02
+#define SCCMD_SENSE	0x03
+#define SCCMD_UNKNOWN	0x04
+
+#define SCIOCCOMMAND	_IOWR('Q', 1, scsireq_t)
+
+#define SC_DB_CMDS	0x00000001	/* show all scsi cmds and errors */
+#define SC_DB_FLOW	0x00000002	/* show routines entered	*/
+#define SC_DB_FLOW2	0x00000004	/* show path INSIDE routines	*/
+#define SC_DB_DMA	0x00000008	/* show DMA segments etc	*/
+#define SCIOCDEBUG	_IOW('Q', 2, int)	/* from 0 to 15 */
+
+struct	scsi_addr {
+	int	scbus;		/* -1 if wildcard */
+	int	target;		/* -1 if wildcard */
+	int	lun;		/* -1 if wildcard */
+} ;
+
+#define SCIOCREPROBE	_IOW('Q', 3, struct scsi_addr) /* look for new devs */
+#define SCIOCIDENTIFY	_IOR('Q', 4, struct scsi_addr) /* where are you? */
+#define SCIOCDECONFIG	_IO('Q', 5)	/* please dissappear */
+#define SCIOCRECONFIG	_IO('Q', 6)	/* please check again */
+#define SCIOCRESET	_IO('Q', 7)	/* reset the device */
+
+
+#endif /* _SYS_SCSIIO_H_ */