FreeBSD/Linux Kernel Cross Reference
sys/dev/raid/mlx/mlxio.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.
     *
     *      $FreeBSD: src/sys/dev/mlx/mlxio.h,v 1.1.2.3 2001/06/25 04:37:51 msmith Exp $
     *      $DragonFly: src/sys/dev/raid/mlx/mlxio.h,v 1.2 2003/06/17 04:28:28 dillon Exp $
     */
    
    #include <sys/ioccom.h>
    
    /*
     * System Disk ioctls
     */
    
    /* system disk status values */
    #define MLX_SYSD_ONLINE         0x03
    #define MLX_SYSD_CRITICAL       0x04
    #define MLX_SYSD_OFFLINE        0xff
    
    #define MLXD_STATUS             _IOR ('M', 100, int)
    #define MLXD_CHECKASYNC         _IOR ('M', 101, int)    /* command result returned in argument */
    
    /*
     * Controller ioctls
     */
    struct mlx_pause 
    {
        int         mp_which;
    #define MLX_PAUSE_ALL           0xff
    #define MLX_PAUSE_CANCEL        0x00
        int         mp_when;
        int         mp_howlong;
    };
    
    struct mlx_usercommand
    {
        /* data buffer */
        size_t      mu_datasize;    /* size of databuffer */
        void        *mu_buf;        /* address in userspace of databuffer */
        int         mu_bufptr;      /* offset into command mailbox to place databuffer address */
    
        /* command */
        u_int16_t   mu_status;      /* command status returned */
        u_int8_t    mu_command[16]; /* command mailbox contents */
    
        /* wrapper */
        int         mu_error;       /* result of submission to driver */
    
    };
    
    struct mlx_rebuild_request
    {
        int         rr_channel;
        int         rr_target;
        int         rr_status;
    };
    
    struct mlx_rebuild_status
    {
        u_int16_t   rs_code;
    #define MLX_REBUILDSTAT_REBUILDCHECK    0x0000
    #define MLX_REBUILDSTAT_ADDCAPACITY     0x0400
    #define MLX_REBUILDSTAT_ADDCAPACITYINIT 0x0500
    #define MLX_REBUILDSTAT_IDLE            0xffff
        u_int16_t   rs_drive;
        int         rs_size;
        int         rs_remaining;
    };
    
    #define MLX_NEXT_CHILD          _IOWR('M', 0, int)
    #define MLX_RESCAN_DRIVES       _IO  ('M', 1)
    #define MLX_DETACH_DRIVE        _IOW ('M', 2, int)
    #define MLX_PAUSE_CHANNEL       _IOW ('M', 3, struct mlx_pause)
    #define MLX_COMMAND             _IOWR('M', 4, struct mlx_usercommand)
    #define MLX_REBUILDASYNC        _IOWR('M', 5, struct mlx_rebuild_request)
    #define MLX_REBUILDSTAT         _IOR ('M', 6, struct mlx_rebuild_status)
    #define MLX_GET_SYSDRIVE        _IOWR('M', 7, int)

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