Ryujinx/Ryujinx.HLE/HOS/Services/Nv/INvDrvServices.cs

222 lines
6.5 KiB
C#

using ChocolArm64.Memory;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel;
using Ryujinx.HLE.HOS.Services.Nv.NvGpuAS;
using Ryujinx.HLE.HOS.Services.Nv.NvGpuGpu;
using Ryujinx.HLE.HOS.Services.Nv.NvHostChannel;
using Ryujinx.HLE.HOS.Services.Nv.NvHostCtrl;
using Ryujinx.HLE.HOS.Services.Nv.NvMap;
using System;
using System.Collections.Generic;
namespace Ryujinx.HLE.HOS.Services.Nv
{
class INvDrvServices : IpcService
{
private delegate int IoctlProcessor(ServiceCtx Context, int Cmd);
private Dictionary<int, ServiceProcessRequest> m_Commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
private static Dictionary<string, IoctlProcessor> IoctlProcessors =
new Dictionary<string, IoctlProcessor>()
{
{ "/dev/nvhost-as-gpu", ProcessIoctlNvGpuAS },
{ "/dev/nvhost-ctrl", ProcessIoctlNvHostCtrl },
{ "/dev/nvhost-ctrl-gpu", ProcessIoctlNvGpuGpu },
{ "/dev/nvhost-gpu", ProcessIoctlNvHostGpu },
{ "/dev/nvmap", ProcessIoctlNvMap }
};
public static GlobalStateTable Fds { get; private set; }
private KEvent Event;
public INvDrvServices(Horizon System)
{
m_Commands = new Dictionary<int, ServiceProcessRequest>()
{
{ 0, Open },
{ 1, Ioctl },
{ 2, Close },
{ 3, Initialize },
{ 4, QueryEvent },
{ 8, SetClientPid },
{ 11, Ioctl },
{ 13, FinishInitialize }
};
Event = new KEvent(System);
}
static INvDrvServices()
{
Fds = new GlobalStateTable();
}
public long Open(ServiceCtx Context)
{
long NamePtr = Context.Request.SendBuff[0].Position;
string Name = AMemoryHelper.ReadAsciiString(Context.Memory, NamePtr);
int Fd = Fds.Add(Context.Process, new NvFd(Name));
Context.ResponseData.Write(Fd);
Context.ResponseData.Write(0);
return 0;
}
public long Ioctl(ServiceCtx Context)
{
int Fd = Context.RequestData.ReadInt32();
int Cmd = Context.RequestData.ReadInt32();
NvFd FdData = Fds.GetData<NvFd>(Context.Process, Fd);
int Result;
if (IoctlProcessors.TryGetValue(FdData.Name, out IoctlProcessor Process))
{
Result = Process(Context, Cmd);
}
else
{
throw new NotImplementedException($"{FdData.Name} {Cmd:x4}");
}
//TODO: Verify if the error codes needs to be translated.
Context.ResponseData.Write(Result);
return 0;
}
public long Close(ServiceCtx Context)
{
int Fd = Context.RequestData.ReadInt32();
Fds.Delete(Context.Process, Fd);
Context.ResponseData.Write(0);
return 0;
}
public long Initialize(ServiceCtx Context)
{
long TransferMemSize = Context.RequestData.ReadInt64();
int TransferMemHandle = Context.Request.HandleDesc.ToCopy[0];
NvMapIoctl.InitializeNvMap(Context);
Context.ResponseData.Write(0);
return 0;
}
public long QueryEvent(ServiceCtx Context)
{
int Fd = Context.RequestData.ReadInt32();
int EventId = Context.RequestData.ReadInt32();
//TODO: Use Fd/EventId, different channels have different events.
if (Context.Process.HandleTable.GenerateHandle(Event.ReadableEvent, out int Handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
Context.ResponseData.Write(0);
return 0;
}
public long SetClientPid(ServiceCtx Context)
{
long Pid = Context.RequestData.ReadInt64();
Context.ResponseData.Write(0);
return 0;
}
public long FinishInitialize(ServiceCtx Context)
{
Logger.PrintStub(LogClass.ServiceNv, "Stubbed.");
return 0;
}
private static int ProcessIoctlNvGpuAS(ServiceCtx Context, int Cmd)
{
return ProcessIoctl(Context, Cmd, NvGpuASIoctl.ProcessIoctl);
}
private static int ProcessIoctlNvHostCtrl(ServiceCtx Context, int Cmd)
{
return ProcessIoctl(Context, Cmd, NvHostCtrlIoctl.ProcessIoctl);
}
private static int ProcessIoctlNvGpuGpu(ServiceCtx Context, int Cmd)
{
return ProcessIoctl(Context, Cmd, NvGpuGpuIoctl.ProcessIoctl);
}
private static int ProcessIoctlNvHostGpu(ServiceCtx Context, int Cmd)
{
return ProcessIoctl(Context, Cmd, NvHostChannelIoctl.ProcessIoctlGpu);
}
private static int ProcessIoctlNvMap(ServiceCtx Context, int Cmd)
{
return ProcessIoctl(Context, Cmd, NvMapIoctl.ProcessIoctl);
}
private static int ProcessIoctl(ServiceCtx Context, int Cmd, IoctlProcessor Processor)
{
if (CmdIn(Cmd) && Context.Request.GetBufferType0x21().Position == 0)
{
Logger.PrintError(LogClass.ServiceNv, "Input buffer is null!");
return NvResult.InvalidInput;
}
if (CmdOut(Cmd) && Context.Request.GetBufferType0x22().Position == 0)
{
Logger.PrintError(LogClass.ServiceNv, "Output buffer is null!");
return NvResult.InvalidInput;
}
return Processor(Context, Cmd);
}
private static bool CmdIn(int Cmd)
{
return ((Cmd >> 30) & 1) != 0;
}
private static bool CmdOut(int Cmd)
{
return ((Cmd >> 31) & 1) != 0;
}
public static void UnloadProcess(Process Process)
{
Fds.DeleteProcess(Process);
NvGpuASIoctl.UnloadProcess(Process);
NvHostChannelIoctl.UnloadProcess(Process);
NvHostCtrlIoctl.UnloadProcess(Process);
NvMapIoctl.UnloadProcess(Process);
}
}
}