mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
107 lines
4.9 KiB
C#
107 lines
4.9 KiB
C#
// /***************************************************************************
|
|
// Aaru Data Preservation Suite
|
|
// ----------------------------------------------------------------------------
|
|
//
|
|
// Filename : Structs.cs
|
|
// Author(s) : Natalia Portillo <claunia@claunia.com>
|
|
//
|
|
// Component : Linux direct device access.
|
|
//
|
|
// --[ Description ] ----------------------------------------------------------
|
|
//
|
|
// Contains structures 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.Diagnostics.CodeAnalysis;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace Aaru.Devices.Linux;
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
|
|
struct SgIoHdrT
|
|
{
|
|
/// <summary>Always 'S' for SG v3</summary>
|
|
public int interface_id; /* [i] 'S' (required) */
|
|
public ScsiIoctlDirection dxfer_direction; /* [i] */
|
|
public byte cmd_len; /* [i] */
|
|
public byte mx_sb_len; /* [i] */
|
|
public ushort iovec_count; /* [i] */
|
|
public uint dxfer_len; /* [i] */
|
|
public nint dxferp; /* [i], [*io] */
|
|
public nint cmdp; /* [i], [*i] */
|
|
public nint sbp; /* [i], [*o] */
|
|
public uint timeout; /* [i] unit: millisecs */
|
|
public uint flags; /* [i] */
|
|
public int pack_id; /* [i->o] */
|
|
public nint usr_ptr; /* [i->o] */
|
|
public byte status; /* [o] */
|
|
public byte masked_status; /* [o] */
|
|
public byte msg_status; /* [o] */
|
|
public byte sb_len_wr; /* [o] */
|
|
public ushort host_status; /* [o] */
|
|
public ushort driver_status; /* [o] */
|
|
public int resid; /* [o] */
|
|
public uint duration; /* [o] */
|
|
public SgInfo info; /* [o] */
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
|
|
struct MmcIocCmd
|
|
{
|
|
/// <summary>Implies direction of data. true = write, false = read</summary>
|
|
public bool write_flag;
|
|
/// <summary>Application-specific command. true = precede with CMD55</summary>
|
|
public bool is_ascmd;
|
|
public uint opcode;
|
|
public uint arg;
|
|
/// <summary>CMD response</summary>
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
|
|
public uint[] response;
|
|
public MmcFlags flags;
|
|
public uint blksz;
|
|
public uint blocks;
|
|
/// <summary>
|
|
/// Sleep at least <see cref="postsleep_min_us" /> useconds, and at most <see cref="postsleep_max_us" /> useconds
|
|
/// *after* issuing command.Needed for some read commands for which cards have no other way of indicating they're ready
|
|
/// for the next command (i.e. there is no equivalent of a "busy" indicator for read operations).
|
|
/// </summary>
|
|
public uint postsleep_min_us;
|
|
/// <summary>
|
|
/// Sleep at least <see cref="postsleep_min_us" /> useconds, and at most <see cref="postsleep_max_us" /> useconds
|
|
/// *after* issuing command.Needed for some read commands for which cards have no other way of indicating they're ready
|
|
/// for the next command (i.e. there is no equivalent of a "busy" indicator for read operations).
|
|
/// </summary>
|
|
public uint postsleep_max_us;
|
|
/// <summary>Override driver-computed timeouts.</summary>
|
|
public uint data_timeout_ns;
|
|
/// <summary>Override driver-computed timeouts.</summary>
|
|
public uint cmd_timeout_ms;
|
|
/// <summary>
|
|
/// For 64-bit machines <see cref="data_ptr" /> , wants to be 8-byte aligned.Make sure this struct is the same
|
|
/// size when built for 32-bit.
|
|
/// </summary>
|
|
public uint __pad;
|
|
/// <summary>DAT buffer</summary>
|
|
public ulong data_ptr;
|
|
} |