1/*     $NetBSD: scsiio.h,v 1.13 2020/05/18 09:52:30 rkujawa Exp $        */
  2
  3#ifndef _SYS_SCSIIO_H_
  4#define _SYS_SCSIIO_H_
  5
  6
  7#include <sys/types.h>
  8#include <sys/ioctl.h>
  9
 10#define	SENSEBUFLEN 48
 11
 12typedef struct	scsireq {
 13	u_long	flags;		/* info about the request status and type */
 14	u_long	timeout;
 15	u_char	cmd[16];
 16	u_char	cmdlen;
 17	void *	databuf;	/* address in user space of buffer */
 18	u_long	datalen;	/* size of user buffer (request) */
 19	u_long	datalen_used;	/* size of user buffer (used)*/
 20	u_char	sense[SENSEBUFLEN]; /* returned sense will be in here */
 21	u_char	senselen;	/* sensedata request size (MAX of SENSEBUFLEN)*/
 22	u_char	senselen_used;	/* return value only */
 23	u_char	status;		/* what the scsi status was from the adapter */
 24	u_char	retsts;		/* the return status for the command */
 25	int	error;		/* error bits */
 26} scsireq_t;
 27
 28/* bit definitions for flags */
 29#define SCCMD_READ		0x00000001
 30#define SCCMD_WRITE		0x00000002
 31#define SCCMD_IOV		0x00000004
 32#define SCCMD_ESCAPE		0x00000010
 33#define SCCMD_TARGET		0x00000020
 34
 35
 36/* definitions for the return status (retsts) */
 37#define SCCMD_OK	0x00
 38#define SCCMD_TIMEOUT	0x01
 39#define SCCMD_BUSY	0x02
 40#define SCCMD_SENSE	0x03
 41#define SCCMD_UNKNOWN	0x04
 42
 43#define SCIOCCOMMAND	_IOWR('Q', 1, scsireq_t)
 44
 45#define SC_DB_CMDS	0x00000001	/* show all scsi cmds and errors */
 46#define SC_DB_FLOW	0x00000002	/* show routines entered	*/
 47#define SC_DB_FLOW2	0x00000004	/* show path INSIDE routines	*/
 48#define SC_DB_DMA	0x00000008	/* show DMA segments etc	*/
 49#define SCIOCDEBUG	_IOW('Q', 2, int)	/* from 0 to 15 */
 50
 51struct	oscsi_addr {
 52	int	scbus;		/* -1 if wildcard */
 53	int	target;		/* -1 if wildcard */
 54	int	lun;		/* -1 if wildcard */
 55};
 56
 57struct	scsi_addr {
 58	int type;       /* bus type */
 59#define TYPE_SCSI 0
 60#define TYPE_ATAPI 1
 61	union {
 62		struct oscsi_addr scsi;
 63		struct _atapi {
 64			int atbus;  /* -1 if wildcard */
 65			int drive;  /* -1 if wildcard */
 66		} atapi;
 67	} addr;
 68};
 69
 70/*
 71 * SCSI device ioctls
 72 */
 73
 74#define SCIOCIDENTIFY	_IOR('Q', 4, struct scsi_addr) /* where are you? */
 75#define  OSCIOCIDENTIFY	_IOR('Q', 4, struct oscsi_addr)
 76#define SCIOCDECONFIG	_IO('Q', 5)	/* please disappear */
 77#define SCIOCRECONFIG	_IO('Q', 6)	/* please check again */
 78#define SCIOCRESET	_IO('Q', 7)	/* reset the device */
 79
 80/*
 81 * SCSI bus ioctls
 82 */
 83
 84/* Scan bus for new devices. */
 85struct scbusioscan_args {
 86	int	sa_target;	/* target to scan; -1 for wildcard */
 87	int	sa_lun;		/* lun to scan; -1 for wildcard */
 88};
 89#define	SCBUSIOSCAN	_IOW('U', 0, struct scbusioscan_args)
 90
 91#define	SCBUSIORESET	_IO('U', 1)	/* reset SCSI bus */
 92
 93struct scbusiodetach_args {
 94	int	sa_target;	/* target to scan; -1 for wildcard */
 95	int	sa_lun;		/* lun to scan; -1 for wildcard */
 96};
 97#define	SCBUSIODETACH	_IOW('U', 2, struct scbusiodetach_args)
 98
 99/* enable/disable device properties */
100struct scbusaccel_args {
101	int	sa_target;	/* target to set property on */
102	int	sa_lun;		/* lun to set property on */
103	int	sa_flags;	/* flags to set or clear */
104};
105#define	SC_ACCEL_SYNC	0x01	/* enable sync mode */
106#define	SC_ACCEL_WIDE	0x02	/* enable wide transfers */
107#define	SC_ACCEL_TAGS	0x04	/* enable tagged queuing */
108#define	SCBUSACCEL	_IOW('U', 2, struct scbusaccel_args)
109
110#define	SCBUSIOLLSCAN	_IO('U', 3)	/* perform low-level scan */
111
112#endif /* _SYS_SCSIIO_H_ */