sys/dev/raid/mly/mlyio.h

   1 /*-
   2  * Copyright (c) 2001 Michael Smith
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  *      $FreeBSD: src/sys/dev/mly/mlyio.h,v 1.1.2.1 2001/03/05 20:17:24 msmith Exp $
  27  *      $DragonFly: src/sys/dev/raid/mly/mlyio.h,v 1.2 2003/06/17 04:28:28 dillon Exp $
  28  */
  29
  30 /********************************************************************************
  31  * Control structures exchanged through the GAM interface with userland
  32  * management tools.
  33  *
  34  * The member naming here is consistent with the Linux driver, with which this
  35  * interface is basically compatible.
  36  */
  37 struct mly_user_command
  38 {
  39     unsigned char               ControllerNumber;
  40     union mly_command_packet    CommandMailbox;
  41     int                         DataTransferLength;
  42     int                         RequestSenseLength;
  43     void                        *DataTransferBuffer;
  44     void                        *RequestSenseBuffer;
  45     int                         CommandStatus;          /* not in the Linux structure */
  46 };
  47
  48 #define MLYIO_COMMAND   _IOWR('M', 200, struct mly_user_command)
  49
  50 struct mly_user_health
  51 {
  52     unsigned char       ControllerNumber;
  53     void                *HealthStatusBuffer;
  54 };
  55
  56 #define MLYIO_HEALTH    _IOW('M', 201, struct mly_user_health)
  57
  58 /*
  59  * Command queue statistics
  60  */
  61
  62 #define MLYQ_FREE       0
  63 #define MLYQ_CCB        1
  64 #define MLYQ_READY      2
  65 #define MLYQ_BUSY       3
  66 #define MLYQ_COMPLETE   4
  67 #define MLYQ_COUNT      5
  68
  69 struct mly_qstat
  70 {
  71     u_int32_t   q_length;
  72     u_int32_t   q_max;
  73 };