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Aaru/Aaru.Filesystems/extFS/Structs.cs

81 lines
3.1 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Structs.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Linux extended filesystem plugin.
//
// --[ 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 © 2011-2025 Natalia Portillo
// ****************************************************************************/
using System.Diagnostics.CodeAnalysis;
namespace Aaru.Filesystems;
// Information from the Linux kernel
/// <inheritdoc />
/// <summary>Implements detection of the Linux extended filesystem</summary>
// ReSharper disable once InconsistentNaming
public sealed partial class extFS
{
#region Nested type: SuperBlock
/// <summary>ext superblock</summary>
#pragma warning disable CS0649
[SuppressMessage("ReSharper", "InconsistentNaming")]
struct SuperBlock
{
/// <summary>0x000, inodes on volume</summary>
public uint inodes;
/// <summary>0x004, zones on volume</summary>
public uint zones;
/// <summary>0x008, first free block</summary>
public uint firstfreeblk;
/// <summary>0x00C, free blocks count</summary>
public uint freecountblk;
/// <summary>0x010, first free inode</summary>
public uint firstfreeind;
/// <summary>0x014, free inodes count</summary>
public uint freecountind;
/// <summary>0x018, first data zone</summary>
public uint firstdatazone;
/// <summary>0x01C, log zone size</summary>
public uint logzonesize;
/// <summary>0x020, max zone size</summary>
public uint maxsize;
/// <summary>0x024, reserved</summary>
public uint reserved1;
/// <summary>0x028, reserved</summary>
public uint reserved2;
/// <summary>0x02C, reserved</summary>
public uint reserved3;
/// <summary>0x030, reserved</summary>
public uint reserved4;
/// <summary>0x034, reserved</summary>
public uint reserved5;
/// <summary>0x038, 0x137D (little endian)</summary>
public ushort magic;
}
#pragma warning restore CS0649
#endregion
}