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scsiio.h
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scsiio.h
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/* $NetBSD: scsiio.h,v 1.12 2007/03/04 06:03:41 christos 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;
void * 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 definitions 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 oscsi_addr {
int scbus; /* -1 if wildcard */
int target; /* -1 if wildcard */
int lun; /* -1 if wildcard */
};
struct scsi_addr {
int type; /* bus type */
#define TYPE_SCSI 0
#define TYPE_ATAPI 1
union {
struct oscsi_addr scsi;
struct _atapi {
int atbus; /* -1 if wildcard */
int drive; /* -1 if wildcard */
} atapi;
} addr;
};
/*
* SCSI device ioctls
*/
#define SCIOCIDENTIFY _IOR('Q', 4, struct scsi_addr) /* where are you? */
#define OSCIOCIDENTIFY _IOR('Q', 4, struct oscsi_addr)
#define SCIOCDECONFIG _IO('Q', 5) /* please disappear */
#define SCIOCRECONFIG _IO('Q', 6) /* please check again */
#define SCIOCRESET _IO('Q', 7) /* reset the device */
/*
* SCSI bus ioctls
*/
/* Scan bus for new devices. */
struct scbusioscan_args {
int sa_target; /* target to scan; -1 for wildcard */
int sa_lun; /* lun to scan; -1 for wildcard */
};
#define SCBUSIOSCAN _IOW('U', 0, struct scbusioscan_args)
#define SCBUSIORESET _IO('U', 1) /* reset SCSI bus */
struct scbusiodetach_args {
int sa_target; /* target to scan; -1 for wildcard */
int sa_lun; /* lun to scan; -1 for wildcard */
};
#define SCBUSIODETACH _IOW('U', 2, struct scbusiodetach_args)
/* enable/disable device properties */
struct scbusaccel_args {
int sa_target; /* target to set property on */
int sa_lun; /* lun to set property on */
int sa_flags; /* flags to set or clear */
};
#define SC_ACCEL_SYNC 0x01 /* enable sync mode */
#define SC_ACCEL_WIDE 0x02 /* enable wide transfers */
#define SC_ACCEL_TAGS 0x04 /* enable tagged queuing */
#define SCBUSACCEL _IOW('U', 2, struct scbusaccel_args)
#define SCBUSIOLLSCAN _IO('U', 3) /* perform low-level scan */
#endif /* _SYS_SCSIIO_H_ */