Aaru/ATA/Registers.cs

// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename       : Errors.cs
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// Component      : Device structures decoders.
//
// --[ Description ] ----------------------------------------------------------
//
//     Decodes ATA error registers.
//
// --[ License ] --------------------------------------------------------------
//
//     This library is free software; you can redistribute it and/or modify
//     it under the terms of the GNU Lesser General Public License as
//     published by the Free Software Foundation; either version 2.1 of the
//     License, or (at your option) any later version.
//
//     This library is distributed in the hope that it will be useful, but
//     WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
//     Lesser General Public License for more details.
//
//     You should have received a copy of the GNU Lesser General Public
//     License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2020 Natalia Portillo
// ****************************************************************************/

using System.Runtime.InteropServices;

namespace Aaru.Decoders.ATA
{
    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
    public struct AtaRegistersChs
    {
        public byte Feature;
        public byte SectorCount;
        public byte Sector;
        public byte CylinderLow;
        public byte CylinderHigh;
        public byte DeviceHead;
        public byte Command;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
    public struct AtaRegistersLba28
    {
        public byte Feature;
        public byte SectorCount;
        public byte LbaLow;
        public byte LbaMid;
        public byte LbaHigh;
        public byte DeviceHead;
        public byte Command;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
    public struct AtaRegistersLba48
    {
        public ushort Feature;
        public ushort SectorCount;
        public ushort LbaLow;
        public ushort LbaMid;
        public ushort LbaHigh;
        public byte   DeviceHead;
        public byte   Command;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
    public struct AtaErrorRegistersChs
    {
        public byte Status;
        public byte Error;
        public byte SectorCount;
        public byte Sector;
        public byte CylinderLow;
        public byte CylinderHigh;
        public byte DeviceHead;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
    public struct AtaErrorRegistersLba28
    {
        public byte Status;
        public byte Error;
        public byte SectorCount;
        public byte LbaLow;
        public byte LbaMid;
        public byte LbaHigh;
        public byte DeviceHead;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
    public struct AtaErrorRegistersLba48
    {
        public byte   Status;
        public byte   Error;
        public ushort SectorCount;
        public ushort LbaLow;
        public ushort LbaMid;
        public ushort LbaHigh;
        public byte   DeviceHead;
    }
}