365 lines
13 KiB
C#
365 lines
13 KiB
C#
using Ryujinx.Common.Collections;
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using Ryujinx.Common.Logging;
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using Ryujinx.Graphics.Gpu.Memory;
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using Ryujinx.HLE.HOS.Kernel.Process;
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using Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostAsGpu.Types;
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using Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvMap;
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using Ryujinx.Memory;
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using System;
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using System.Collections.Concurrent;
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namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostAsGpu
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{
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class NvHostAsGpuDeviceFile : NvDeviceFile
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{
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private static ConcurrentDictionary<KProcess, AddressSpaceContext> _addressSpaceContextRegistry = new ConcurrentDictionary<KProcess, AddressSpaceContext>();
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private NvMemoryAllocator _memoryAllocator;
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public NvHostAsGpuDeviceFile(ServiceCtx context, IVirtualMemoryManager memory, long owner) : base(context, owner)
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{
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_memoryAllocator = context.Device.MemoryAllocator;
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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.NvGpuAsMagic)
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{
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switch (command.Number)
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{
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case 0x01:
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result = CallIoctlMethod<BindChannelArguments>(BindChannel, arguments);
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break;
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case 0x02:
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result = CallIoctlMethod<AllocSpaceArguments>(AllocSpace, arguments);
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break;
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case 0x03:
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result = CallIoctlMethod<FreeSpaceArguments>(FreeSpace, arguments);
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break;
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case 0x05:
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result = CallIoctlMethod<UnmapBufferArguments>(UnmapBuffer, arguments);
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break;
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case 0x06:
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result = CallIoctlMethod<MapBufferExArguments>(MapBufferEx, arguments);
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break;
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case 0x08:
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result = CallIoctlMethod<GetVaRegionsArguments>(GetVaRegions, arguments);
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break;
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case 0x09:
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result = CallIoctlMethod<InitializeExArguments>(InitializeEx, arguments);
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break;
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case 0x14:
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result = CallIoctlMethod<RemapArguments>(Remap, 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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public override NvInternalResult Ioctl3(NvIoctl command, Span<byte> arguments, Span<byte> inlineOutBuffer)
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{
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NvInternalResult result = NvInternalResult.NotImplemented;
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if (command.Type == NvIoctl.NvGpuAsMagic)
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{
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switch (command.Number)
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{
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case 0x08:
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// This is the same as the one in ioctl as inlineOutBuffer is empty.
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result = CallIoctlMethod<GetVaRegionsArguments>(GetVaRegions, 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 NvInternalResult BindChannel(ref BindChannelArguments arguments)
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{
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Logger.Stub?.PrintStub(LogClass.ServiceNv);
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return NvInternalResult.Success;
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}
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private NvInternalResult AllocSpace(ref AllocSpaceArguments arguments)
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{
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AddressSpaceContext addressSpaceContext = GetAddressSpaceContext(Context);
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ulong size = (ulong)arguments.Pages * (ulong)arguments.PageSize;
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NvInternalResult result = NvInternalResult.Success;
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lock (addressSpaceContext)
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{
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// Note: When the fixed offset flag is not set,
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// the Offset field holds the alignment size instead.
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if ((arguments.Flags & AddressSpaceFlags.FixedOffset) != 0)
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{
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bool regionInUse = _memoryAllocator.IsRegionInUse(arguments.Offset, size, out ulong freeAddressStartPosition);
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ulong address;
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if (!regionInUse)
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{
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_memoryAllocator.AllocateRange(arguments.Offset, size, freeAddressStartPosition);
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address = freeAddressStartPosition;
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}
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else
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{
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address = NvMemoryAllocator.PteUnmapped;
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}
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arguments.Offset = address;
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}
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else
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{
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ulong address = _memoryAllocator.GetFreeAddress(size, out ulong freeAddressStartPosition, arguments.Offset);
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if (address != NvMemoryAllocator.PteUnmapped)
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{
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_memoryAllocator.AllocateRange(address, size, freeAddressStartPosition);
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}
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arguments.Offset = address;
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}
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if (arguments.Offset < 0)
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{
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arguments.Offset = 0;
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Logger.Warning?.Print(LogClass.ServiceNv, $"Failed to allocate size {size:x16}!");
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result = NvInternalResult.OutOfMemory;
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}
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else
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{
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addressSpaceContext.AddReservation(arguments.Offset, size);
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}
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}
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return result;
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}
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private NvInternalResult FreeSpace(ref FreeSpaceArguments arguments)
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{
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AddressSpaceContext addressSpaceContext = GetAddressSpaceContext(Context);
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NvInternalResult result = NvInternalResult.Success;
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lock (addressSpaceContext)
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{
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ulong size = (ulong)arguments.Pages * (ulong)arguments.PageSize;
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if (addressSpaceContext.RemoveReservation(arguments.Offset))
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{
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_memoryAllocator.DeallocateRange(arguments.Offset, size);
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addressSpaceContext.Gmm.Free(arguments.Offset, size);
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}
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else
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{
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Logger.Warning?.Print(LogClass.ServiceNv,
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$"Failed to free offset 0x{arguments.Offset:x16} size 0x{size:x16}!");
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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 NvInternalResult UnmapBuffer(ref UnmapBufferArguments arguments)
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{
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AddressSpaceContext addressSpaceContext = GetAddressSpaceContext(Context);
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lock (addressSpaceContext)
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{
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if (addressSpaceContext.RemoveMap(arguments.Offset, out ulong size))
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{
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if (size != 0)
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{
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_memoryAllocator.DeallocateRange(arguments.Offset, size);
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addressSpaceContext.Gmm.Free(arguments.Offset, size);
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}
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}
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else
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{
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Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid buffer offset {arguments.Offset:x16}!");
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}
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}
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return NvInternalResult.Success;
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}
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private NvInternalResult MapBufferEx(ref MapBufferExArguments arguments)
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{
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const string mapErrorMsg = "Failed to map fixed buffer with offset 0x{0:x16}, size 0x{1:x16} and alignment 0x{2:x16}!";
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AddressSpaceContext addressSpaceContext = GetAddressSpaceContext(Context);
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NvMapHandle map = NvMapDeviceFile.GetMapFromHandle(Owner, arguments.NvMapHandle, true);
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if (map == null)
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{
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Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid NvMap handle 0x{arguments.NvMapHandle:x8}!");
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return NvInternalResult.InvalidInput;
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}
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ulong pageSize = (ulong)arguments.PageSize;
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if (pageSize == 0)
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{
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pageSize = (ulong)map.Align;
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}
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ulong physicalAddress;
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if ((arguments.Flags & AddressSpaceFlags.RemapSubRange) != 0)
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{
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lock (addressSpaceContext)
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{
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if (addressSpaceContext.TryGetMapPhysicalAddress(arguments.Offset, out physicalAddress))
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{
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ulong virtualAddress = arguments.Offset + arguments.BufferOffset;
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physicalAddress += arguments.BufferOffset;
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addressSpaceContext.Gmm.Map(physicalAddress, virtualAddress, arguments.MappingSize);
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if (virtualAddress < 0)
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{
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string message = string.Format(mapErrorMsg, virtualAddress, arguments.MappingSize, pageSize);
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Logger.Warning?.Print(LogClass.ServiceNv, message);
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return NvInternalResult.InvalidInput;
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}
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return NvInternalResult.Success;
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}
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else
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{
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Logger.Warning?.Print(LogClass.ServiceNv, $"Address 0x{arguments.Offset:x16} not mapped!");
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return NvInternalResult.InvalidInput;
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}
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}
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}
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physicalAddress = map.Address + arguments.BufferOffset;
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ulong size = arguments.MappingSize;
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if (size == 0)
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{
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size = (uint)map.Size;
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}
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NvInternalResult result = NvInternalResult.Success;
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lock (addressSpaceContext)
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{
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// Note: When the fixed offset flag is not set,
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// the Offset field holds the alignment size instead.
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bool virtualAddressAllocated = (arguments.Flags & AddressSpaceFlags.FixedOffset) == 0;
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if (!virtualAddressAllocated)
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{
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if (addressSpaceContext.ValidateFixedBuffer(arguments.Offset, size, pageSize))
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{
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addressSpaceContext.Gmm.Map(physicalAddress, arguments.Offset, size);
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}
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else
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{
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string message = string.Format(mapErrorMsg, arguments.Offset, size, pageSize);
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Logger.Warning?.Print(LogClass.ServiceNv, message);
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result = NvInternalResult.InvalidInput;
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}
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}
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else
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{
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ulong va = _memoryAllocator.GetFreeAddress(size, out ulong freeAddressStartPosition, pageSize);
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if (va != NvMemoryAllocator.PteUnmapped)
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{
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_memoryAllocator.AllocateRange(va, size, freeAddressStartPosition);
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}
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addressSpaceContext.Gmm.Map(physicalAddress, va, size);
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arguments.Offset = va;
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}
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if (arguments.Offset < 0)
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{
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arguments.Offset = 0;
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Logger.Warning?.Print(LogClass.ServiceNv, $"Failed to map size 0x{size:x16}!");
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result = NvInternalResult.InvalidInput;
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}
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else
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{
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addressSpaceContext.AddMap(arguments.Offset, size, physicalAddress, virtualAddressAllocated);
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}
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}
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return result;
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}
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private NvInternalResult GetVaRegions(ref GetVaRegionsArguments arguments)
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{
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Logger.Stub?.PrintStub(LogClass.ServiceNv);
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return NvInternalResult.Success;
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}
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private NvInternalResult InitializeEx(ref InitializeExArguments arguments)
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{
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Logger.Stub?.PrintStub(LogClass.ServiceNv);
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return NvInternalResult.Success;
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}
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private NvInternalResult Remap(Span<RemapArguments> arguments)
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{
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for (int index = 0; index < arguments.Length; index++)
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{
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MemoryManager gmm = GetAddressSpaceContext(Context).Gmm;
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NvMapHandle map = NvMapDeviceFile.GetMapFromHandle(Owner, arguments[index].NvMapHandle, true);
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if (map == null)
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{
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Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid NvMap handle 0x{arguments[index].NvMapHandle:x8}!");
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return NvInternalResult.InvalidInput;
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}
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ulong shiftedGpuOffset = ((ulong)arguments[index].GpuOffset << 16);
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gmm.Map(
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((ulong)arguments[index].MapOffset << 16) + map.Address,
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shiftedGpuOffset,
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(ulong)arguments[index].Pages << 16);
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if (shiftedGpuOffset < 0)
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{
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Logger.Warning?.Print(LogClass.ServiceNv,
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$"Page 0x{arguments[index].GpuOffset:x16} size 0x{arguments[index].Pages:x16} not allocated!");
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return NvInternalResult.InvalidInput;
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}
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}
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return NvInternalResult.Success;
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}
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public override void Close() { }
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public static AddressSpaceContext GetAddressSpaceContext(ServiceCtx context)
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{
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return _addressSpaceContextRegistry.GetOrAdd(context.Process, (key) => new AddressSpaceContext(context));
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}
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}
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}
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