Ryujinx/Ryujinx.HLE/HOS/Services/Nv/NvDrvServices/NvHostChannel/NvHostGpuDeviceFile.cs

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using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostChannel.Types;
using Ryujinx.Memory;
using System;
namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostChannel
{
internal class NvHostGpuDeviceFile : NvHostChannelDeviceFile
{
private KEvent _smExceptionBptIntReportEvent;
private KEvent _smExceptionBptPauseReportEvent;
private KEvent _errorNotifierEvent;
private int _smExceptionBptIntReportEventHandle;
private int _smExceptionBptPauseReportEventHandle;
private int _errorNotifierEventHandle;
public NvHostGpuDeviceFile(ServiceCtx context, IVirtualMemoryManager memory, long owner) : base(context, memory, owner)
{
_smExceptionBptIntReportEvent = CreateEvent(context, out _smExceptionBptIntReportEventHandle);
_smExceptionBptPauseReportEvent = CreateEvent(context, out _smExceptionBptPauseReportEventHandle);
_errorNotifierEvent = CreateEvent(context, out _errorNotifierEventHandle);
}
private static KEvent CreateEvent(ServiceCtx context, out int handle)
{
KEvent evnt = new KEvent(context.Device.System.KernelContext);
if (context.Process.HandleTable.GenerateHandle(evnt.ReadableEvent, out handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
return evnt;
}
public override NvInternalResult Ioctl2(NvIoctl command, Span<byte> arguments, Span<byte> inlineInBuffer)
{
NvInternalResult result = NvInternalResult.NotImplemented;
if (command.Type == NvIoctl.NvHostMagic)
{
switch (command.Number)
{
case 0x1b:
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result = CallIoctlMethod<SubmitGpfifoArguments, ulong>(SubmitGpfifoEx, arguments, inlineInBuffer);
break;
}
}
return result;
}
public override NvInternalResult QueryEvent(out int eventHandle, uint eventId)
{
// TODO: accurately represent and implement those events.
switch (eventId)
{
case 0x1:
eventHandle = _smExceptionBptIntReportEventHandle;
break;
case 0x2:
eventHandle = _smExceptionBptPauseReportEventHandle;
break;
case 0x3:
eventHandle = _errorNotifierEventHandle;
break;
default:
eventHandle = 0;
break;
}
return eventHandle != 0 ? NvInternalResult.Success : NvInternalResult.InvalidInput;
}
private NvInternalResult SubmitGpfifoEx(ref SubmitGpfifoArguments arguments, Span<ulong> inlineData)
{
return SubmitGpfifo(ref arguments, inlineData);
}
public override void Close()
{
if (_smExceptionBptIntReportEventHandle != 0)
{
Context.Process.HandleTable.CloseHandle(_smExceptionBptIntReportEventHandle);
_smExceptionBptIntReportEventHandle = 0;
}
if (_smExceptionBptPauseReportEventHandle != 0)
{
Context.Process.HandleTable.CloseHandle(_smExceptionBptPauseReportEventHandle);
_smExceptionBptPauseReportEventHandle = 0;
}
if (_errorNotifierEventHandle != 0)
{
Context.Process.HandleTable.CloseHandle(_errorNotifierEventHandle);
_errorNotifierEventHandle = 0;
}
base.Close();
}
}
}