using System;
using System.Runtime.InteropServices;

namespace DiscImageChef.Devices.Linux
{
    static class Structs
    {
        [StructLayout(LayoutKind.Sequential)]
        internal struct sg_io_hdr_t
        {
            /// <summary>
            /// Always 'S' for SG v3
            /// </summary>
            public int interface_id;           /* [i] 'S' (required) */
            public int dxfer_direction;        /* [i] */
            public byte cmd_len;      /* [i] */
            public byte mx_sb_len;    /* [i] */
            public ushort iovec_count; /* [i] */
            public uint dxfer_len;     /* [i] */
            public IntPtr dxferp;              /* [i], [*io] */
            public IntPtr cmdp;       /* [i], [*i]  */
            public IntPtr sbp;        /* [i], [*o]  */
            public uint timeout;       /* [i] unit: millisecs */
            public uint flags;         /* [i] */
            public int pack_id;                /* [i->o] */
            public IntPtr usr_ptr;             /* [i->o] */
            public byte status;       /* [o] */
            public byte masked_status;/* [o] */
            public byte msg_status;   /* [o] */
            public byte sb_len_wr;    /* [o] */
            public ushort host_status; /* [o] */
            public ushort driver_status;/* [o] */
            public int resid;                  /* [o] */
            public uint duration;      /* [o] */
            public uint info;          /* [o] */
        }
    }
}