/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 1992,1997-1998 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#ifndef _SYS_DKTP_CMPKT_H
#define _SYS_DKTP_CMPKT_H

#ifdef  __cplusplus
extern "C" {
#endif

struct  cmpkt {
        opaque_t        cp_objp;        /* ptr to generic ctlr object   */
        opaque_t        cp_ctl_private; /* ptr to controller private    */
        opaque_t        cp_dev_private; /* ptr to device driver private */

        int             cp_scblen;      /* len of status control blk    */
        opaque_t        cp_scbp;        /* status control blk           */
        int             cp_cdblen;      /* len of cmd description blk   */
        opaque_t        cp_cdbp;        /* command description blk      */
        long            cp_reason;      /* error status                 */
        void            (*cp_callback)(); /* callback function          */
        long            cp_time;        /* timeout values               */
        long            cp_flags;

        struct buf      *cp_bp;         /* link to buf structure        */
        long            cp_resid;       /* data bytes not transferred   */
        long            cp_byteleft;    /* remaining bytes to do        */

                                        /* for a particular disk section */
        long            cp_bytexfer;    /* bytes xfer in this operation */

        daddr_t         cp_srtsec;      /* starting sector number       */
        long            cp_secleft;     /* # of sectors remains         */

        ushort_t        cp_retry;       /* retry count                  */
        ushort_t        cp_resv;

        void            (*cp_iodone)(); /* target driver iodone()       */
        struct cmpkt    *cp_fltpktp;    /* fault recovery pkt pointer   */
        opaque_t        cp_private;
        opaque_t        cp_passthru;    /* pass through command ptr     */
};

/*      reason code for completion status                               */
#define CPS_SUCCESS     0               /* command completes with no err */
#define CPS_FAILURE     1               /* command fails                */
#define CPS_CHKERR      2               /* command fails with status    */
#define CPS_ABORTED     3               /* command aborted              */

/*      flags definitions                                               */
#define CPF_NOINTR      0x0001          /* polling mode                 */

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_DKTP_CMPKT_H */