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104 lines
4.0 KiB
C#
104 lines
4.0 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Structs.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : XFS filesystem plugin.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2025 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Runtime.InteropServices;
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namespace Aaru.Filesystems;
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/// <inheritdoc />
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/// <summary>Implements detection of SGI's XFS</summary>
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public sealed partial class XFS
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{
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#region Nested type: Superblock
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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readonly struct Superblock
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{
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public readonly uint magicnum;
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public readonly uint blocksize;
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public readonly ulong dblocks;
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public readonly ulong rblocks;
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public readonly ulong rextents;
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public readonly Guid uuid;
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public readonly ulong logstat;
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public readonly ulong rootino;
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public readonly ulong rbmino;
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public readonly ulong rsumino;
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public readonly uint rextsize;
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public readonly uint agblocks;
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public readonly uint agcount;
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public readonly uint rbmblocks;
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public readonly uint logblocks;
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public readonly ushort version;
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public readonly ushort sectsize;
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public readonly ushort inodesize;
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public readonly ushort inopblock;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
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public readonly byte[] fname;
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public readonly byte blocklog;
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public readonly byte sectlog;
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public readonly byte inodelog;
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public readonly byte inopblog;
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public readonly byte agblklog;
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public readonly byte rextslog;
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public readonly byte inprogress;
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public readonly byte imax_pct;
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public readonly ulong icount;
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public readonly ulong ifree;
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public readonly ulong fdblocks;
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public readonly ulong frextents;
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public readonly ulong uquotino;
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public readonly ulong gquotino;
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public readonly ushort qflags;
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public readonly byte flags;
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public readonly byte shared_vn;
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public readonly ulong inoalignmt;
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public readonly ulong unit;
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public readonly ulong width;
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public readonly byte dirblklog;
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public readonly byte logsectlog;
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public readonly ushort logsectsize;
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public readonly uint logsunit;
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public readonly uint features2;
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public readonly uint bad_features2;
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public readonly uint features_compat;
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public readonly uint features_ro_compat;
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public readonly uint features_incompat;
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public readonly uint features_log_incompat;
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// This field is little-endian while rest of superblock is big-endian
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public readonly uint crc;
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public readonly uint spino_align;
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public readonly ulong pquotino;
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public readonly ulong lsn;
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public readonly Guid meta_uuid;
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}
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#endregion
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} |