sys/dev/raid/amr/amrio.h

   1 /*-
   2  * Copyright (c) 1999 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  * Copyright (c) 2002 Eric Moore
  27  * Copyright (c) 2002 LSI Logic Corporation
  28  * All rights reserved.
  29  *
  30  * Redistribution and use in source and binary forms, with or without
  31  * modification, are permitted provided that the following conditions
  32  * are met:
  33  * 1. Redistributions of source code must retain the above copyright
  34  *    notice, this list of conditions and the following disclaimer.
  35  * 2. Redistributions in binary form must reproduce the above copyright
  36  *    notice, this list of conditions and the following disclaimer in the
  37  *    documentation and/or other materials provided with the distribution.
  38  * 3. The party using or redistributing the source code and binary forms
  39  *    agrees to the disclaimer below and the terms and conditions set forth
  40  *    herein.
  41  *
  42  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  46  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  52  * SUCH DAMAGE.
  53  *
  54  *
  55  *      $FreeBSD: src/sys/dev/amr/amrio.h,v 1.7 2005/12/14 03:26:49 scottl Exp $
  56  */
  57
  58 /*
  59  * ioctl interface
  60  */
  61
  62 #include <sys/ioccom.h>
  63 #include <sys/param.h>
  64
  65 /*
  66  * Fetch the driver's interface version.
  67  */
  68 #define AMR_IO_VERSION_NUMBER   153
  69 #define AMR_IO_VERSION  _IOR('A', 0x200, int)
  70
  71 /*
  72  * Pass a command from userspace through to the adapter.
  73  *
  74  * Note that in order to be code-compatible with the Linux
  75  * interface where possible, the formatting of the au_cmd field is
  76  * somewhat Interesting.
  77  *
  78  * For normal commands, the layout is (fields from struct amr_mailbox_ioctl):
  79  *
  80  * 0            mb_command
  81  * 1            mb_channel
  82  * 2            mb_param
  83  * 3            mb_pad[0]
  84  * 4            mb_drive
  85  *
  86  * For SCSI passthrough commands, the layout is:
  87  *
  88  * 0            AMR_CMD_PASS    (0x3)
  89  * 1            reserved, 0
  90  * 2            cdb length
  91  * 3            cdb data
  92  * 3+cdb_len    passthrough control byte (timeout, ars, islogical)
  93  * 4+cdb_len    reserved, 0
  94  * 5+cdb_len    channel
  95  * 6+cdb_len    target
  96  */
  97
  98 struct amr_user_ioctl {
  99     unsigned char       au_cmd[32];     /* command text from userspace */
 100     void                *au_buffer;     /* data buffer in userspace */
 101     unsigned long       au_length;      /* data buffer size (0 == no data) */
 102     int                 au_direction;   /* data transfer direction */
 103 #define AMR_IO_NODATA   0
 104 #define AMR_IO_READ     1
 105 #define AMR_IO_WRITE    2
 106     int                 au_status;      /* command status returned by adapter */
 107 };
 108
 109 #define AMR_IO_COMMAND  _IOWR('A', 0x201, struct amr_user_ioctl)
 110
 111 #if defined(__x86_64__)
 112
 113 struct amr_user_ioctl32 {
 114     unsigned char       au_cmd[32];     /* command text from userspace */
 115     u_int32_t           au_buffer;      /* 32-bit pointer to uspace buf */
 116     u_int32_t           au_length;      /* length of the uspace buffer */
 117     int32_t             au_direction;   /* data transfer direction */
 118     int32_t             au_status;      /* command status returned by adapter */
 119 };
 120
 121 #       define AMR_IO_COMMAND32 _IOWR('A', 0x201, struct amr_user_ioctl32)
 122 #endif