Ryujinx/Ryujinx.HLE/HOS/Services/Nv/NvDrvServices/NvHostAsGpu/NvHostAsGpuDeviceFile.cs
gdkchan 016fc64b3d
Implement GetVaRegions on nvservices (#2621)
* Implement GetVaRegions on nvservices

* This would just result in 0
2021-09-11 22:39:02 +02:00

398 lines
14 KiB
C#

using Ryujinx.Common.Logging;
using Ryujinx.Graphics.Gpu.Memory;
using Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostAsGpu.Types;
using Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostChannel;
using Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvMap;
using Ryujinx.Memory;
using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;
namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostAsGpu
{
class NvHostAsGpuDeviceFile : NvDeviceFile
{
private const uint SmallPageSize = 0x1000;
private const uint BigPageSize = 0x10000;
private static readonly uint[] _pageSizes = new uint[] { SmallPageSize, BigPageSize };
private const ulong SmallRegionLimit = 0x400000000UL; // 16 GB
private const ulong DefaultUserSize = 1UL << 37;
private struct VmRegion
{
public ulong Start { get; }
public ulong Limit { get; }
public VmRegion(ulong start, ulong limit)
{
Start = start;
Limit = limit;
}
}
private static readonly VmRegion[] _vmRegions = new VmRegion[]
{
new VmRegion((ulong)BigPageSize << 16, SmallRegionLimit),
new VmRegion(SmallRegionLimit, DefaultUserSize)
};
private readonly AddressSpaceContext _asContext;
private readonly NvMemoryAllocator _memoryAllocator;
public NvHostAsGpuDeviceFile(ServiceCtx context, IVirtualMemoryManager memory, long owner) : base(context, owner)
{
_asContext = new AddressSpaceContext(context.Device.Gpu.CreateMemoryManager(owner));
_memoryAllocator = new NvMemoryAllocator();
}
public override NvInternalResult Ioctl(NvIoctl command, Span<byte> arguments)
{
NvInternalResult result = NvInternalResult.NotImplemented;
if (command.Type == NvIoctl.NvGpuAsMagic)
{
switch (command.Number)
{
case 0x01:
result = CallIoctlMethod<BindChannelArguments>(BindChannel, arguments);
break;
case 0x02:
result = CallIoctlMethod<AllocSpaceArguments>(AllocSpace, arguments);
break;
case 0x03:
result = CallIoctlMethod<FreeSpaceArguments>(FreeSpace, arguments);
break;
case 0x05:
result = CallIoctlMethod<UnmapBufferArguments>(UnmapBuffer, arguments);
break;
case 0x06:
result = CallIoctlMethod<MapBufferExArguments>(MapBufferEx, arguments);
break;
case 0x08:
result = CallIoctlMethod<GetVaRegionsArguments>(GetVaRegions, arguments);
break;
case 0x09:
result = CallIoctlMethod<InitializeExArguments>(InitializeEx, arguments);
break;
case 0x14:
result = CallIoctlMethod<RemapArguments>(Remap, arguments);
break;
}
}
return result;
}
public override NvInternalResult Ioctl3(NvIoctl command, Span<byte> arguments, Span<byte> inlineOutBuffer)
{
NvInternalResult result = NvInternalResult.NotImplemented;
if (command.Type == NvIoctl.NvGpuAsMagic)
{
switch (command.Number)
{
case 0x08:
// This is the same as the one in ioctl as inlineOutBuffer is empty.
result = CallIoctlMethod<GetVaRegionsArguments>(GetVaRegions, arguments);
break;
}
}
return result;
}
private NvInternalResult BindChannel(ref BindChannelArguments arguments)
{
var channelDeviceFile = INvDrvServices.DeviceFileIdRegistry.GetData<NvHostChannelDeviceFile>(arguments.Fd);
if (channelDeviceFile == null)
{
// TODO: Return invalid Fd error.
}
channelDeviceFile.Channel.BindMemory(_asContext.Gmm);
return NvInternalResult.Success;
}
private NvInternalResult AllocSpace(ref AllocSpaceArguments arguments)
{
ulong size = (ulong)arguments.Pages * (ulong)arguments.PageSize;
NvInternalResult result = NvInternalResult.Success;
lock (_asContext)
{
// Note: When the fixed offset flag is not set,
// the Offset field holds the alignment size instead.
if ((arguments.Flags & AddressSpaceFlags.FixedOffset) != 0)
{
bool regionInUse = _memoryAllocator.IsRegionInUse(arguments.Offset, size, out ulong freeAddressStartPosition);
ulong address;
if (!regionInUse)
{
_memoryAllocator.AllocateRange(arguments.Offset, size, freeAddressStartPosition);
address = freeAddressStartPosition;
}
else
{
address = NvMemoryAllocator.PteUnmapped;
}
arguments.Offset = address;
}
else
{
ulong address = _memoryAllocator.GetFreeAddress(size, out ulong freeAddressStartPosition, arguments.Offset);
if (address != NvMemoryAllocator.PteUnmapped)
{
_memoryAllocator.AllocateRange(address, size, freeAddressStartPosition);
}
arguments.Offset = address;
}
if (arguments.Offset == NvMemoryAllocator.PteUnmapped)
{
arguments.Offset = 0;
Logger.Warning?.Print(LogClass.ServiceNv, $"Failed to allocate size {size:x16}!");
result = NvInternalResult.OutOfMemory;
}
else
{
_asContext.AddReservation(arguments.Offset, size);
}
}
return result;
}
private NvInternalResult FreeSpace(ref FreeSpaceArguments arguments)
{
ulong size = (ulong)arguments.Pages * (ulong)arguments.PageSize;
NvInternalResult result = NvInternalResult.Success;
lock (_asContext)
{
if (_asContext.RemoveReservation(arguments.Offset))
{
_memoryAllocator.DeallocateRange(arguments.Offset, size);
_asContext.Gmm.Unmap(arguments.Offset, size);
}
else
{
Logger.Warning?.Print(LogClass.ServiceNv,
$"Failed to free offset 0x{arguments.Offset:x16} size 0x{size:x16}!");
result = NvInternalResult.InvalidInput;
}
}
return result;
}
private NvInternalResult UnmapBuffer(ref UnmapBufferArguments arguments)
{
lock (_asContext)
{
if (_asContext.RemoveMap(arguments.Offset, out ulong size))
{
if (size != 0)
{
_memoryAllocator.DeallocateRange(arguments.Offset, size);
_asContext.Gmm.Unmap(arguments.Offset, size);
}
}
else
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid buffer offset {arguments.Offset:x16}!");
}
}
return NvInternalResult.Success;
}
private NvInternalResult MapBufferEx(ref MapBufferExArguments arguments)
{
const string MapErrorMsg = "Failed to map fixed buffer with offset 0x{0:x16}, size 0x{1:x16} and alignment 0x{2:x16}!";
ulong physicalAddress;
if ((arguments.Flags & AddressSpaceFlags.RemapSubRange) != 0)
{
lock (_asContext)
{
if (_asContext.TryGetMapPhysicalAddress(arguments.Offset, out physicalAddress))
{
ulong virtualAddress = arguments.Offset + arguments.BufferOffset;
physicalAddress += arguments.BufferOffset;
_asContext.Gmm.Map(physicalAddress, virtualAddress, arguments.MappingSize);
return NvInternalResult.Success;
}
else
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Address 0x{arguments.Offset:x16} not mapped!");
return NvInternalResult.InvalidInput;
}
}
}
NvMapHandle map = NvMapDeviceFile.GetMapFromHandle(Owner, arguments.NvMapHandle);
if (map == null)
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid NvMap handle 0x{arguments.NvMapHandle:x8}!");
return NvInternalResult.InvalidInput;
}
ulong pageSize = (ulong)arguments.PageSize;
if (pageSize == 0)
{
pageSize = (ulong)map.Align;
}
physicalAddress = map.Address + arguments.BufferOffset;
ulong size = arguments.MappingSize;
if (size == 0)
{
size = (uint)map.Size;
}
NvInternalResult result = NvInternalResult.Success;
lock (_asContext)
{
// Note: When the fixed offset flag is not set,
// the Offset field holds the alignment size instead.
bool virtualAddressAllocated = (arguments.Flags & AddressSpaceFlags.FixedOffset) == 0;
if (!virtualAddressAllocated)
{
if (_asContext.ValidateFixedBuffer(arguments.Offset, size, pageSize))
{
_asContext.Gmm.Map(physicalAddress, arguments.Offset, size);
}
else
{
string message = string.Format(MapErrorMsg, arguments.Offset, size, pageSize);
Logger.Warning?.Print(LogClass.ServiceNv, message);
result = NvInternalResult.InvalidInput;
}
}
else
{
ulong va = _memoryAllocator.GetFreeAddress(size, out ulong freeAddressStartPosition, pageSize);
if (va != NvMemoryAllocator.PteUnmapped)
{
_memoryAllocator.AllocateRange(va, size, freeAddressStartPosition);
}
_asContext.Gmm.Map(physicalAddress, va, size);
arguments.Offset = va;
}
if (arguments.Offset == NvMemoryAllocator.PteUnmapped)
{
arguments.Offset = 0;
Logger.Warning?.Print(LogClass.ServiceNv, $"Failed to map size 0x{size:x16}!");
result = NvInternalResult.InvalidInput;
}
else
{
_asContext.AddMap(arguments.Offset, size, physicalAddress, virtualAddressAllocated);
}
}
return result;
}
private NvInternalResult GetVaRegions(ref GetVaRegionsArguments arguments)
{
int vaRegionStructSize = Unsafe.SizeOf<VaRegion>();
Debug.Assert(vaRegionStructSize == 0x18);
Debug.Assert(_pageSizes.Length == 2);
uint writeEntries = (uint)(arguments.BufferSize / vaRegionStructSize);
if (writeEntries > _pageSizes.Length)
{
writeEntries = (uint)_pageSizes.Length;
}
for (uint i = 0; i < writeEntries; i++)
{
ref var region = ref arguments.Regions[(int)i];
var vmRegion = _vmRegions[i];
uint pageSize = _pageSizes[i];
region.PageSize = pageSize;
region.Offset = vmRegion.Start;
region.Pages = (vmRegion.Limit - vmRegion.Start) / pageSize;
region.Padding = 0;
}
arguments.BufferSize = (uint)(_pageSizes.Length * vaRegionStructSize);
return NvInternalResult.Success;
}
private NvInternalResult InitializeEx(ref InitializeExArguments arguments)
{
Logger.Stub?.PrintStub(LogClass.ServiceNv);
return NvInternalResult.Success;
}
private NvInternalResult Remap(Span<RemapArguments> arguments)
{
MemoryManager gmm = _asContext.Gmm;
for (int index = 0; index < arguments.Length; index++)
{
ulong mapOffs = (ulong)arguments[index].MapOffset << 16;
ulong gpuVa = (ulong)arguments[index].GpuOffset << 16;
ulong size = (ulong)arguments[index].Pages << 16;
if (arguments[index].NvMapHandle == 0)
{
gmm.Unmap(gpuVa, size);
}
else
{
NvMapHandle map = NvMapDeviceFile.GetMapFromHandle(Owner, arguments[index].NvMapHandle);
if (map == null)
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid NvMap handle 0x{arguments[index].NvMapHandle:x8}!");
return NvInternalResult.InvalidInput;
}
gmm.Map(mapOffs + map.Address, gpuVa, size);
}
}
return NvInternalResult.Success;
}
public override void Close() { }
}
}