Files
Aaru/Aaru.Devices/Linux/Enums.cs

147 lines
4.3 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Enums.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Linux direct device access.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains enumerations necessary for directly interfacing devices under
// Linux.
//
// --[ 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.Diagnostics.CodeAnalysis;
namespace Aaru.Devices.Linux;
[Flags]
[SuppressMessage("ReSharper", "UnusedMember.Global")]
enum FileFlags : uint
{
/// <summary>O_RDONLY</summary>
Readonly = 0x0,
/// <summary>O_WRONLY</summary>
Writeonly = 0x1,
/// <summary>O_RDWR</summary>
ReadWrite = 0x2,
/// <summary>O_CREAT</summary>
OpenOrCreate = 0x40,
/// <summary>O_EXCL</summary>
CreateNew = 0x80,
/// <summary>O_NOCTTY</summary>
NoControlTty = 0x100,
/// <summary>O_TRUNC</summary>
Truncate = 0x200,
/// <summary>O_APPEND</summary>
Append = 0x400,
/// <summary>O_NONBLOCK</summary>
NonBlocking = 0x800,
/// <summary>O_DSYNC</summary>
Synchronous = 0x1000,
/// <summary>O_ASYNC</summary>
Async = 0x2000,
/// <summary>O_DIRECT</summary>
Direct = 0x4000,
/// <summary>O_LARGEFILE</summary>
LargeFile = 0x8000,
/// <summary>O_DIRECTORY</summary>
Directory = 0x10000,
/// <summary>O_NOFOLLOW</summary>
NoFollowSymlink = 0x20000,
/// <summary>O_NOATIME</summary>
NoAccessTime = 0x40000,
/// <summary>O_CLOEXEC</summary>
CloseOnExec = 0x80000
}
/// <summary>Direction of SCSI transfer</summary>
enum ScsiIoctlDirection
{
/// <summary>No data transfer happens SG_DXFER_NONE</summary>
None = -1,
/// <summary>From host to device SG_DXFER_TO_DEV</summary>
Out = -2,
/// <summary>From device to host SG_DXFER_FROM_DEV</summary>
In = -3,
/// <summary>Bidirectional device/host SG_DXFER_TO_FROM_DEV</summary>
Unspecified = -4,
/// <summary>Unspecified SG_DXFER_UNKNOWN</summary>
Unknown = -5
}
[SuppressMessage("ReSharper", "UnusedMember.Global")]
enum LinuxIoctl : uint
{
// SCSI IOCtls
SgGetVersionNum = 0x2282,
SgIo = 0x2285,
// MMC IOCtl
MmcIocCmd = 0xC048B300,
MmcIocMultiCmd = 0xC008B301
}
[Flags]
[SuppressMessage("ReSharper", "UnusedMember.Global")]
enum SgInfo : uint
{
/// <summary>Mask to check OK</summary>
OkMask = 0x01,
/// <summary>No sense or driver noise</summary>
Ok = 0x00,
/// <summary>Check Condition</summary>
CheckCondition = 0x01,
/// <summary>Direct I/O mask</summary>
DirectIoMask = 0x06,
/// <summary>Transfer via kernel buffers (or no transfer)</summary>
IndirectIo = 0x00,
/// <summary>Direct I/O performed</summary>
DirectIo = 0x02,
/// <summary>Partial direct and partial indirect I/O</summary>
MixedIo = 0x04
}
[Flags]
[SuppressMessage("ReSharper", "UnusedMember.Global")]
enum SgFlags : uint
{
DirectIo = 1,
UnusedLunInhibit = 2,
MmapIo = 4,
NoDxfer = 0x10000,
QAtTail = 0x10,
QAtHead = 0x20
}
[SuppressMessage("ReSharper", "UnusedMember.Global")]
enum SeekWhence
{
Begin = 0,
Current = 1,
End = 2,
Data = 3,
Hole = 4
}