LCOM1920-T02G10

/*     $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_ */