82 lines
3.1 KiB
C#
82 lines
3.1 KiB
C#
using Ryujinx.HLE.HOS.Kernel.Memory;
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using Ryujinx.HLE.HOS.Kernel.Process;
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using System;
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using System.Diagnostics;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices
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{
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abstract class NvDeviceFile
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{
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public readonly ServiceCtx Context;
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public readonly KProcess Owner;
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public NvDeviceFile(ServiceCtx context)
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{
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Context = context;
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Owner = context.Process;
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}
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public virtual NvInternalResult QueryEvent(out int eventHandle, uint eventId)
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{
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eventHandle = 0;
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return NvInternalResult.NotImplemented;
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}
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public virtual NvInternalResult MapSharedMemory(KSharedMemory sharedMemory, uint argument)
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{
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return NvInternalResult.NotImplemented;
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}
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public virtual NvInternalResult Ioctl(NvIoctl command, Span<byte> arguments)
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{
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return NvInternalResult.NotImplemented;
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}
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public virtual NvInternalResult Ioctl2(NvIoctl command, Span<byte> arguments, Span<byte> inlineInBuffer)
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{
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return NvInternalResult.NotImplemented;
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}
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public virtual NvInternalResult Ioctl3(NvIoctl command, Span<byte> arguments, Span<byte> inlineOutBuffer)
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{
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return NvInternalResult.NotImplemented;
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}
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protected delegate NvInternalResult IoctlProcessor<T>(ref T arguments);
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protected delegate NvInternalResult IoctlProcessorSpan<T>(Span<T> arguments);
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protected delegate NvInternalResult IoctlProcessorInline<T, T1>(ref T arguments, ref T1 inlineData);
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protected delegate NvInternalResult IoctlProcessorInlineSpan<T, T1>(ref T arguments, Span<T1> inlineData);
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protected static NvInternalResult CallIoctlMethod<T>(IoctlProcessor<T> callback, Span<byte> arguments) where T : struct
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{
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Debug.Assert(arguments.Length == Unsafe.SizeOf<T>());
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return callback(ref MemoryMarshal.Cast<byte, T>(arguments)[0]);
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}
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protected static NvInternalResult CallIoctlMethod<T, T1>(IoctlProcessorInline<T, T1> callback, Span<byte> arguments, Span<byte> inlineBuffer) where T : struct where T1 : struct
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{
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Debug.Assert(arguments.Length == Unsafe.SizeOf<T>());
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Debug.Assert(inlineBuffer.Length == Unsafe.SizeOf<T1>());
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return callback(ref MemoryMarshal.Cast<byte, T>(arguments)[0], ref MemoryMarshal.Cast<byte, T1>(inlineBuffer)[0]);
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}
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protected static NvInternalResult CallIoctlMethod<T>(IoctlProcessorSpan<T> callback, Span<byte> arguments) where T : struct
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{
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return callback(MemoryMarshal.Cast<byte, T>(arguments));
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}
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protected static NvInternalResult CallIoctlMethod<T, T1>(IoctlProcessorInlineSpan<T, T1> callback, Span<byte> arguments, Span<byte> inlineBuffer) where T : struct where T1 : struct
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{
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Debug.Assert(arguments.Length == Unsafe.SizeOf<T>());
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return callback(ref MemoryMarshal.Cast<byte, T>(arguments)[0], MemoryMarshal.Cast<byte, T1>(inlineBuffer));
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}
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public abstract void Close();
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}
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}
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