FreeBSD/Linux Kernel Cross Reference
sys/dev/raid/amr/amrio.h

     /*-
      * Copyright (c) 1999 Michael Smith
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * Copyright (c) 2002 Eric Moore
     * Copyright (c) 2002 LSI Logic Corporation
     * All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. The party using or redistributing the source code and binary forms
     *    agrees to the disclaimer below and the terms and conditions set forth
     *    herein.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *
     *      $FreeBSD: src/sys/dev/amr/amrio.h,v 1.7 2005/12/14 03:26:49 scottl Exp $
     */
    
    /*
     * ioctl interface
     */
    
    #include <sys/ioccom.h>
    #include <sys/param.h>
    
    /*
     * Fetch the driver's interface version.
     */
    #define AMR_IO_VERSION_NUMBER   153
    #define AMR_IO_VERSION  _IOR('A', 0x200, int)
    
    /*
     * Pass a command from userspace through to the adapter.
     *
     * Note that in order to be code-compatible with the Linux
     * interface where possible, the formatting of the au_cmd field is
     * somewhat Interesting.
     *
     * For normal commands, the layout is (fields from struct amr_mailbox_ioctl):
     *
     * 0            mb_command
     * 1            mb_channel
     * 2            mb_param
     * 3            mb_pad[0]
     * 4            mb_drive
     *
     * For SCSI passthrough commands, the layout is:
     *
     * 0            AMR_CMD_PASS    (0x3)
     * 1            reserved, 0
     * 2            cdb length
     * 3            cdb data
     * 3+cdb_len    passthrough control byte (timeout, ars, islogical)
     * 4+cdb_len    reserved, 0
     * 5+cdb_len    channel
     * 6+cdb_len    target
     */
    
    struct amr_user_ioctl {
        unsigned char       au_cmd[32];     /* command text from userspace */
       void                *au_buffer;     /* data buffer in userspace */
       unsigned long       au_length;      /* data buffer size (0 == no data) */
       int                 au_direction;   /* data transfer direction */
   #define AMR_IO_NODATA   0
   #define AMR_IO_READ     1
   #define AMR_IO_WRITE    2
       int                 au_status;      /* command status returned by adapter */
   };
   
   #define AMR_IO_COMMAND  _IOWR('A', 0x201, struct amr_user_ioctl)
   
   #if defined(__x86_64__) || defined(__ia64__)
   
   struct amr_user_ioctl32 {
       unsigned char       au_cmd[32];     /* command text from userspace */
       u_int32_t           au_buffer;      /* 32-bit pointer to uspace buf */
       u_int32_t           au_length;      /* length of the uspace buffer */
       int32_t             au_direction;   /* data transfer direction */
       int32_t             au_status;      /* command status returned by adapter */
   };
   
   #       define AMR_IO_COMMAND32 _IOWR('A', 0x201, struct amr_user_ioctl32)
   #endif

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