/*      $NetBSD: mlxio.h,v 1.4 2017/10/28 06:27:32 riastradh Exp $      */

/*-
 * 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.
 *
 * from FreeBSD: mlxio.h,v 1.1.2.2 2000/04/24 19:40:49 msmith Exp
 */

#ifndef _IC_MLXIO_H_
#define _IC_MLXIO_H_

#include <sys/types.h>
#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)
#define MLXD_DETACH             _IOW('M', 102, int)

/*
 * 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 {
        size_t          mu_datasize;    /* size of buffer */
        void            *mu_buf;        /* user address of buffer */
        int             mu_bufptr;      /* offset into command m/b for PA */
        int             mu_bufdir;      /* transfer is to controller */
        u_int16_t       mu_status;      /* command status returned */
        u_int8_t        mu_command[16]; /* command mailbox contents */
};
#define MU_XFER_IN      0x01
#define MU_XFER_OUT     0x02
#define MU_XFER_MASK    0x03

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;
};

struct mlx_cinfo {
        u_int           ci_iftype;
        u_int           ci_nchan;
        u_int           ci_max_sg;
        u_int           ci_max_commands;
        u_int           ci_mem_size;
        u_int8_t        ci_firmware_id[4];
        u_int8_t        ci_hardware_id;
        u_int8_t        ci_pad[3];
};

#define MLX_RESCAN_DRIVES       _IO('M', 0)
#define MLX_PAUSE_CHANNEL       _IOW('M', 1, struct mlx_pause)
#define MLX_COMMAND             _IOWR('M', 2, struct mlx_usercommand)
#define MLX_REBUILDASYNC        _IOWR('M', 3, struct mlx_rebuild_request)
#define MLX_REBUILDSTAT         _IOR('M', 4, struct mlx_rebuild_status)
#define MLX_GET_SYSDRIVE        _IOWR('M', 5, int)
#define MLX_GET_CINFO           _IOR('M', 6, struct mlx_cinfo)

#endif  /* !_IC_MLXIO_H_ */