include/sys/dktp/cmpkt.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1992,1997-1998 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #ifndef _SYS_DKTP_CMPKT_H
  28 #define _SYS_DKTP_CMPKT_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 struct  cmpkt {
  37         opaque_t        cp_objp;        /* ptr to generic ctlr object   */
  38         opaque_t        cp_ctl_private; /* ptr to controller private    */
  39         opaque_t        cp_dev_private; /* ptr to device driver private */
  40
  41         int             cp_scblen;      /* len of status control blk    */
  42         opaque_t        cp_scbp;        /* status control blk           */
  43         int             cp_cdblen;      /* len of cmd description blk   */
  44         opaque_t        cp_cdbp;        /* command description blk      */
  45         long            cp_reason;      /* error status                 */
  46         void            (*cp_callback)(); /* callback function          */
  47         long            cp_time;        /* timeout values               */
  48         long            cp_flags;
  49
  50         struct buf      *cp_bp;         /* link to buf structure        */
  51         long            cp_resid;       /* data bytes not transferred   */
  52         long            cp_byteleft;    /* remaining bytes to do        */
  53
  54                                         /* for a particular disk section */
  55         long            cp_bytexfer;    /* bytes xfer in this operation */
  56
  57         daddr_t         cp_srtsec;      /* starting sector number       */
  58         long            cp_secleft;     /* # of sectors remains         */
  59
  60         ushort_t        cp_retry;       /* retry count                  */
  61         ushort_t        cp_resv;
  62
  63         void            (*cp_iodone)(); /* target driver iodone()       */
  64         struct cmpkt    *cp_fltpktp;    /* fault recovery pkt pointer   */
  65         opaque_t        cp_private;
  66         opaque_t        cp_passthru;    /* pass through command ptr     */
  67 };
  68
  69 /*      reason code for completion status                               */
  70 #define CPS_SUCCESS     0               /* command completes with no err */
  71 #define CPS_FAILURE     1               /* command fails                */
  72 #define CPS_CHKERR      2               /* command fails with status    */
  73 #define CPS_ABORTED     3               /* command aborted              */
  74
  75 /*      flags definitions                                               */
  76 #define CPF_NOINTR      0x0001          /* polling mode                 */
  77
  78 #ifdef  __cplusplus
  79 }
  80 #endif
  81
  82 #endif  /* _SYS_DKTP_CMPKT_H */