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106 lines
4.0 KiB
C#
106 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 : MINIX 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.Runtime.InteropServices;
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using Aaru.CommonTypes.Attributes;
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namespace Aaru.Filesystems;
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// Information from the Linux kernel
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/// <inheritdoc />
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/// <summary>Implements detection of the MINIX filesystem</summary>
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public sealed partial class MinixFS
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{
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#region Nested type: SuperBlock
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/// <summary>Superblock for Minix v1 and V2 filesystems</summary>
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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[SwapEndian]
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partial struct SuperBlock
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{
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/// <summary>0x00, inodes on volume</summary>
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public ushort s_ninodes;
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/// <summary>0x02, zones on volume</summary>
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public ushort s_nzones;
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/// <summary>0x04, blocks on inode map</summary>
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public short s_imap_blocks;
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/// <summary>0x06, blocks on zone map</summary>
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public short s_zmap_blocks;
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/// <summary>0x08, first data zone</summary>
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public ushort s_firstdatazone;
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/// <summary>0x0A, log2 of blocks/zone</summary>
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public short s_log_zone_size;
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/// <summary>0x0C, max file size</summary>
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public uint s_max_size;
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/// <summary>0x10, magic</summary>
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public ushort s_magic;
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/// <summary>0x12, filesystem state</summary>
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public ushort s_state;
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/// <summary>0x14, number of zones</summary>
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public uint s_zones;
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}
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#endregion
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#region Nested type: SuperBlock3
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/// <summary>Superblock for Minix v3 filesystems</summary>
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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[SwapEndian]
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partial struct SuperBlock3
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{
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/// <summary>0x00, inodes on volume</summary>
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public uint s_ninodes;
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/// <summary>0x02, old zones on volume</summary>
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public ushort s_nzones;
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/// <summary>0x06, blocks on inode map</summary>
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public ushort s_imap_blocks;
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/// <summary>0x08, blocks on zone map</summary>
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public ushort s_zmap_blocks;
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/// <summary>0x0A, first data zone</summary>
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public ushort s_firstdatazone;
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/// <summary>0x0C, log2 of blocks/zone</summary>
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public ushort s_log_zone_size;
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/// <summary>0x0E, padding</summary>
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public ushort s_pad1;
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/// <summary>0x10, max file size</summary>
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public uint s_max_size;
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/// <summary>0x14, number of zones</summary>
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public uint s_zones;
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/// <summary>0x18, magic</summary>
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public ushort s_magic;
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/// <summary>0x1A, padding</summary>
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public ushort s_pad2;
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/// <summary>0x1C, bytes in a block</summary>
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public ushort s_blocksize;
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/// <summary>0x1E, on-disk structures version</summary>
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public byte s_disk_version;
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}
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#endregion
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} |