rjx-mirror/Ryujinx.HLE/HOS/Services/Nv/NvIoctl.cs

46 lines
1.6 KiB
C#
Raw Normal View History

using System;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Nv
{
[StructLayout(LayoutKind.Sequential)]
struct NvIoctl
{
public const int NvHostCustomMagic = 0x00;
public const int NvMapCustomMagic = 0x01;
public const int NvGpuAsMagic = 0x41;
public const int NvGpuMagic = 0x47;
public const int NvHostMagic = 0x48;
private const int NumberBits = 8;
private const int TypeBits = 8;
private const int SizeBits = 14;
private const int DirectionBits = 2;
private const int NumberShift = 0;
private const int TypeShift = NumberShift + NumberBits;
private const int SizeShift = TypeShift + TypeBits;
private const int DirectionShift = SizeShift + SizeBits;
private const int NumberMask = (1 << NumberBits) - 1;
private const int TypeMask = (1 << TypeBits) - 1;
private const int SizeMask = (1 << SizeBits) - 1;
private const int DirectionMask = (1 << DirectionBits) - 1;
[Flags]
public enum Direction : uint
{
None = 0,
Read = 1,
Write = 2,
}
public uint RawValue;
public uint Number => (RawValue >> NumberShift) & NumberMask;
public uint Type => (RawValue >> TypeShift) & TypeMask;
public uint Size => (RawValue >> SizeShift) & SizeMask;
public Direction DirectionValue => (Direction)((RawValue >> DirectionShift) & DirectionMask);
}
}