Files
Aaru/Aaru.Filesystems/XFS/Structs.cs

104 lines
4.0 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Structs.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : XFS 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;
using System.Runtime.InteropServices;
namespace Aaru.Filesystems;
/// <inheritdoc />
/// <summary>Implements detection of SGI's XFS</summary>
public sealed partial class XFS
{
#region Nested type: Superblock
[StructLayout(LayoutKind.Sequential, Pack = 1)]
readonly struct Superblock
{
public readonly uint magicnum;
public readonly uint blocksize;
public readonly ulong dblocks;
public readonly ulong rblocks;
public readonly ulong rextents;
public readonly Guid uuid;
public readonly ulong logstat;
public readonly ulong rootino;
public readonly ulong rbmino;
public readonly ulong rsumino;
public readonly uint rextsize;
public readonly uint agblocks;
public readonly uint agcount;
public readonly uint rbmblocks;
public readonly uint logblocks;
public readonly ushort version;
public readonly ushort sectsize;
public readonly ushort inodesize;
public readonly ushort inopblock;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
public readonly byte[] fname;
public readonly byte blocklog;
public readonly byte sectlog;
public readonly byte inodelog;
public readonly byte inopblog;
public readonly byte agblklog;
public readonly byte rextslog;
public readonly byte inprogress;
public readonly byte imax_pct;
public readonly ulong icount;
public readonly ulong ifree;
public readonly ulong fdblocks;
public readonly ulong frextents;
public readonly ulong uquotino;
public readonly ulong gquotino;
public readonly ushort qflags;
public readonly byte flags;
public readonly byte shared_vn;
public readonly ulong inoalignmt;
public readonly ulong unit;
public readonly ulong width;
public readonly byte dirblklog;
public readonly byte logsectlog;
public readonly ushort logsectsize;
public readonly uint logsunit;
public readonly uint features2;
public readonly uint bad_features2;
public readonly uint features_compat;
public readonly uint features_ro_compat;
public readonly uint features_incompat;
public readonly uint features_log_incompat;
// This field is little-endian while rest of superblock is big-endian
public readonly uint crc;
public readonly uint spino_align;
public readonly ulong pquotino;
public readonly ulong lsn;
public readonly Guid meta_uuid;
}
#endregion
}