mirror of
https://github.com/GreemDev/Ryujinx.git
synced 2024-12-16 20:05:54 +01:00
951700fdd8
* Removed unused usings. * Added back using, now that it's used. * Removed extra whitespace.
541 lines
18 KiB
C#
541 lines
18 KiB
C#
using Ryujinx.Common.Logging;
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using Ryujinx.Graphics.Gpu.Synchronization;
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using Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostCtrl.Types;
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using Ryujinx.HLE.HOS.Services.Nv.Types;
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using Ryujinx.HLE.HOS.Services.Settings;
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using Ryujinx.Memory;
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using System;
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using System.Text;
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using System.Threading;
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namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostCtrl
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{
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internal class NvHostCtrlDeviceFile : NvDeviceFile
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{
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public const int EventsCount = 64;
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private bool _isProductionMode;
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private Switch _device;
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private NvHostEvent[] _events;
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public NvHostCtrlDeviceFile(ServiceCtx context, IVirtualMemoryManager memory, ulong owner) : base(context, owner)
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{
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if (NxSettings.Settings.TryGetValue("nv!rmos_set_production_mode", out object productionModeSetting))
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{
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_isProductionMode = ((string)productionModeSetting) != "0"; // Default value is ""
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}
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else
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{
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_isProductionMode = true;
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}
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_device = context.Device;
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_events = new NvHostEvent[EventsCount];
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}
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public override NvInternalResult Ioctl(NvIoctl command, Span<byte> arguments)
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{
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NvInternalResult result = NvInternalResult.NotImplemented;
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if (command.Type == NvIoctl.NvHostCustomMagic)
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{
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switch (command.Number)
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{
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case 0x14:
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result = CallIoctlMethod<NvFence>(SyncptRead, arguments);
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break;
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case 0x15:
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result = CallIoctlMethod<uint>(SyncptIncr, arguments);
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break;
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case 0x16:
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result = CallIoctlMethod<SyncptWaitArguments>(SyncptWait, arguments);
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break;
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case 0x19:
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result = CallIoctlMethod<SyncptWaitExArguments>(SyncptWaitEx, arguments);
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break;
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case 0x1a:
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result = CallIoctlMethod<NvFence>(SyncptReadMax, arguments);
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break;
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case 0x1b:
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// As Marshal cannot handle unaligned arrays, we do everything by hand here.
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GetConfigurationArguments configArgument = GetConfigurationArguments.FromSpan(arguments);
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result = GetConfig(configArgument);
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if (result == NvInternalResult.Success)
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{
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configArgument.CopyTo(arguments);
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}
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break;
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case 0x1c:
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result = CallIoctlMethod<uint>(EventSignal, arguments);
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break;
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case 0x1d:
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result = CallIoctlMethod<EventWaitArguments>(EventWait, arguments);
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break;
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case 0x1e:
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result = CallIoctlMethod<EventWaitArguments>(EventWaitAsync, arguments);
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break;
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case 0x1f:
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result = CallIoctlMethod<uint>(EventRegister, arguments);
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break;
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case 0x20:
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result = CallIoctlMethod<uint>(EventUnregister, arguments);
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break;
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case 0x21:
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result = CallIoctlMethod<ulong>(EventKill, arguments);
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break;
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}
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}
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return result;
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}
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private int QueryEvent(uint eventId)
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{
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lock (_events)
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{
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uint eventSlot;
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uint syncpointId;
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if ((eventId >> 28) == 1)
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{
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eventSlot = eventId & 0xFFFF;
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syncpointId = (eventId >> 16) & 0xFFF;
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}
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else
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{
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eventSlot = eventId & 0xFF;
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syncpointId = eventId >> 4;
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}
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if (eventSlot >= EventsCount || _events[eventSlot] == null || _events[eventSlot].Fence.Id != syncpointId)
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{
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return 0;
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}
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return _events[eventSlot].EventHandle;
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}
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}
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public override NvInternalResult QueryEvent(out int eventHandle, uint eventId)
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{
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eventHandle = QueryEvent(eventId);
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return eventHandle != 0 ? NvInternalResult.Success : NvInternalResult.InvalidInput;
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}
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private NvInternalResult SyncptRead(ref NvFence arguments)
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{
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return SyncptReadMinOrMax(ref arguments, max: false);
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}
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private NvInternalResult SyncptIncr(ref uint id)
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{
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if (id >= SynchronizationManager.MaxHardwareSyncpoints)
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{
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return NvInternalResult.InvalidInput;
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}
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_device.System.HostSyncpoint.Increment(id);
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return NvInternalResult.Success;
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}
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private NvInternalResult SyncptWait(ref SyncptWaitArguments arguments)
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{
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uint dummyValue = 0;
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return EventWait(ref arguments.Fence, ref dummyValue, arguments.Timeout, isWaitEventAsyncCmd: false, isWaitEventCmd: false);
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}
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private NvInternalResult SyncptWaitEx(ref SyncptWaitExArguments arguments)
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{
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return EventWait(ref arguments.Input.Fence, ref arguments.Value, arguments.Input.Timeout, isWaitEventAsyncCmd: false, isWaitEventCmd: false);
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}
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private NvInternalResult SyncptReadMax(ref NvFence arguments)
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{
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return SyncptReadMinOrMax(ref arguments, max: true);
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}
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private NvInternalResult GetConfig(GetConfigurationArguments arguments)
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{
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if (!_isProductionMode && NxSettings.Settings.TryGetValue($"{arguments.Domain}!{arguments.Parameter}".ToLower(), out object nvSetting))
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{
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byte[] settingBuffer = new byte[0x101];
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if (nvSetting is string stringValue)
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{
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if (stringValue.Length > 0x100)
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{
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Logger.Error?.Print(LogClass.ServiceNv, $"{arguments.Domain}!{arguments.Parameter} String value size is too big!");
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}
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else
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{
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settingBuffer = Encoding.ASCII.GetBytes(stringValue + "\0");
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}
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}
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else if (nvSetting is int intValue)
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{
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settingBuffer = BitConverter.GetBytes(intValue);
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}
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else if (nvSetting is bool boolValue)
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{
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settingBuffer[0] = boolValue ? (byte)1 : (byte)0;
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}
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else
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{
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throw new NotImplementedException(nvSetting.GetType().Name);
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}
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Logger.Debug?.Print(LogClass.ServiceNv, $"Got setting {arguments.Domain}!{arguments.Parameter}");
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arguments.Configuration = settingBuffer;
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return NvInternalResult.Success;
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}
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// NOTE: This actually return NotAvailableInProduction but this is directly translated as a InvalidInput before returning the ioctl.
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//return NvInternalResult.NotAvailableInProduction;
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return NvInternalResult.InvalidInput;
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}
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private NvInternalResult EventWait(ref EventWaitArguments arguments)
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{
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return EventWait(ref arguments.Fence, ref arguments.Value, arguments.Timeout, isWaitEventAsyncCmd: false, isWaitEventCmd: true);
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}
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private NvInternalResult EventWaitAsync(ref EventWaitArguments arguments)
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{
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return EventWait(ref arguments.Fence, ref arguments.Value, arguments.Timeout, isWaitEventAsyncCmd: true, isWaitEventCmd: false);
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}
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private NvInternalResult EventRegister(ref uint userEventId)
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{
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lock (_events)
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{
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NvInternalResult result = EventUnregister(ref userEventId);
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if (result == NvInternalResult.Success)
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{
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_events[userEventId] = new NvHostEvent(_device.System.HostSyncpoint, userEventId, _device.System);
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}
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return result;
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}
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}
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private NvInternalResult EventUnregister(ref uint userEventId)
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{
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lock (_events)
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{
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if (userEventId >= EventsCount)
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{
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return NvInternalResult.InvalidInput;
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}
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NvHostEvent hostEvent = _events[userEventId];
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if (hostEvent == null)
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{
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return NvInternalResult.Success;
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}
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if (hostEvent.State == NvHostEventState.Available ||
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hostEvent.State == NvHostEventState.Cancelled ||
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hostEvent.State == NvHostEventState.Signaled)
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{
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_events[userEventId].CloseEvent(Context);
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_events[userEventId] = null;
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return NvInternalResult.Success;
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}
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return NvInternalResult.Busy;
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}
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}
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private NvInternalResult EventKill(ref ulong eventMask)
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{
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lock (_events)
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{
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NvInternalResult result = NvInternalResult.Success;
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for (uint eventId = 0; eventId < EventsCount; eventId++)
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{
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if ((eventMask & (1UL << (int)eventId)) != 0)
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{
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NvInternalResult tmp = EventUnregister(ref eventId);
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if (tmp != NvInternalResult.Success)
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{
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result = tmp;
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}
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}
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}
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return result;
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}
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}
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private NvInternalResult EventSignal(ref uint userEventId)
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{
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uint eventId = userEventId & ushort.MaxValue;
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if (eventId >= EventsCount)
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{
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return NvInternalResult.InvalidInput;
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}
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lock (_events)
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{
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NvHostEvent hostEvent = _events[eventId];
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if (hostEvent == null)
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{
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return NvInternalResult.InvalidInput;
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}
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hostEvent.Cancel(_device.Gpu);
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_device.System.HostSyncpoint.UpdateMin(hostEvent.Fence.Id);
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return NvInternalResult.Success;
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}
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}
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private NvInternalResult SyncptReadMinOrMax(ref NvFence arguments, bool max)
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{
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if (arguments.Id >= SynchronizationManager.MaxHardwareSyncpoints)
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{
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return NvInternalResult.InvalidInput;
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}
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if (max)
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{
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arguments.Value = _device.System.HostSyncpoint.ReadSyncpointMaxValue(arguments.Id);
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}
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else
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{
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arguments.Value = _device.System.HostSyncpoint.ReadSyncpointValue(arguments.Id);
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}
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return NvInternalResult.Success;
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}
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private NvInternalResult EventWait(ref NvFence fence, ref uint value, int timeout, bool isWaitEventAsyncCmd, bool isWaitEventCmd)
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{
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if (fence.Id >= SynchronizationManager.MaxHardwareSyncpoints)
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{
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return NvInternalResult.InvalidInput;
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}
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// First try to check if the syncpoint is already expired on the CPU side
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if (_device.System.HostSyncpoint.IsSyncpointExpired(fence.Id, fence.Value))
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{
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value = _device.System.HostSyncpoint.ReadSyncpointMinValue(fence.Id);
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return NvInternalResult.Success;
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}
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// Try to invalidate the CPU cache and check for expiration again.
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uint newCachedSyncpointValue = _device.System.HostSyncpoint.UpdateMin(fence.Id);
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// Has the fence already expired?
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if (_device.System.HostSyncpoint.IsSyncpointExpired(fence.Id, fence.Value))
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{
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value = newCachedSyncpointValue;
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return NvInternalResult.Success;
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}
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// If the timeout is 0, directly return.
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if (timeout == 0)
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{
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return NvInternalResult.TryAgain;
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}
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// The syncpoint value isn't at the fence yet, we need to wait.
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if (!isWaitEventAsyncCmd)
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{
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value = 0;
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}
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NvHostEvent hostEvent;
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NvInternalResult result;
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uint eventIndex;
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lock (_events)
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{
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if (isWaitEventAsyncCmd)
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{
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eventIndex = value;
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if (eventIndex >= EventsCount)
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{
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return NvInternalResult.InvalidInput;
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}
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hostEvent = _events[eventIndex];
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}
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else
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{
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hostEvent = GetFreeEventLocked(fence.Id, out eventIndex);
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}
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if (hostEvent != null)
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{
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lock (hostEvent.Lock)
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{
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if (hostEvent.State == NvHostEventState.Available ||
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hostEvent.State == NvHostEventState.Signaled ||
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hostEvent.State == NvHostEventState.Cancelled)
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{
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bool timedOut = hostEvent.Wait(_device.Gpu, fence);
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if (timedOut)
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{
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if (isWaitEventCmd)
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{
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value = ((fence.Id & 0xfff) << 16) | 0x10000000;
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}
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else
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{
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value = fence.Id << 4;
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}
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value |= eventIndex;
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result = NvInternalResult.TryAgain;
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}
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else
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{
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value = fence.Value;
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return NvInternalResult.Success;
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}
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}
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else
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{
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Logger.Error?.Print(LogClass.ServiceNv, $"Invalid Event at index {eventIndex} (isWaitEventAsyncCmd: {isWaitEventAsyncCmd}, isWaitEventCmd: {isWaitEventCmd})");
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if (hostEvent != null)
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{
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Logger.Error?.Print(LogClass.ServiceNv, hostEvent.DumpState(_device.Gpu));
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}
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result = NvInternalResult.InvalidInput;
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}
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}
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}
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else
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{
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Logger.Error?.Print(LogClass.ServiceNv, $"Invalid Event at index {eventIndex} (isWaitEventAsyncCmd: {isWaitEventAsyncCmd}, isWaitEventCmd: {isWaitEventCmd})");
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result = NvInternalResult.InvalidInput;
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}
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}
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return result;
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}
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private NvHostEvent GetFreeEventLocked(uint id, out uint eventIndex)
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{
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eventIndex = EventsCount;
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uint nullIndex = EventsCount;
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for (uint index = 0; index < EventsCount; index++)
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{
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NvHostEvent Event = _events[index];
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if (Event != null)
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{
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if (Event.State == NvHostEventState.Available ||
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Event.State == NvHostEventState.Signaled ||
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Event.State == NvHostEventState.Cancelled)
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{
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eventIndex = index;
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if (Event.Fence.Id == id)
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{
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return Event;
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}
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}
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}
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else if (nullIndex == EventsCount)
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{
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nullIndex = index;
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}
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}
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if (nullIndex < EventsCount)
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{
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eventIndex = nullIndex;
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EventRegister(ref eventIndex);
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return _events[nullIndex];
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}
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if (eventIndex < EventsCount)
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{
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return _events[eventIndex];
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}
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return null;
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}
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public override void Close()
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{
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Logger.Warning?.Print(LogClass.ServiceNv, "Closing channel");
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lock (_events)
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{
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// If the device file need to be closed, cancel all user events and dispose events.
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for (int i = 0; i < _events.Length; i++)
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{
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NvHostEvent evnt = _events[i];
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if (evnt != null)
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{
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lock (evnt.Lock)
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{
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if (evnt.State == NvHostEventState.Waiting)
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{
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evnt.State = NvHostEventState.Cancelling;
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evnt.Cancel(_device.Gpu);
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}
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else if (evnt.State == NvHostEventState.Signaling)
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{
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// Wait at max 9ms if the guest app is trying to signal the event while closing it..
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int retryCount = 0;
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do
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{
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if (retryCount++ > 9)
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{
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break;
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}
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// TODO: This should be handled by the kernel (reschedule the current thread ect), waiting for Kernel decoupling work.
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Thread.Sleep(1);
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} while (evnt.State != NvHostEventState.Signaled);
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}
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evnt.CloseEvent(Context);
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_events[i] = null;
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}
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}
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}
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}
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}
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}
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}
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