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/*
* $Id: scsiio.h,v 1.3 1995/01/08 13:39:46 dufault Exp $
*/
#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 */
#define SCIOCADDR _IOW('Q', 8, struct scsi_addr) /* Change address */
#define SCIOCFREEZE _IO('Q', 9) /* Freeze SCSI */
#define SCIOCTHAW _IO('Q', 10) /* Thaw SCSI */
#define SCIOCFREEZETHAW _IOW('Q', 11, int) /* Freeze SCSI for some seconds */
#define SCIOCWAITTHAW _IO('Q', 12) /* Wait for SCSI to thaw */
#endif /* _SYS_SCSIIO_H_ */
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