private static int Remap(ServiceCtx Context, int Cmd)
{
int Count = ((Cmd >> 16) & 0xff) / 0x14;
long InputPosition = Context.Request.GetBufferType0x21().Position;
for (int Index = 0; Index < Count; Index++, InputPosition += 0x14)
{
NvGpuASRemap Args = AMemoryHelper.Read <NvGpuASRemap>(Context.Memory, InputPosition);
NvGpuVmm Vmm = GetASCtx(Context).Vmm;
NvMapHandle Map = NvMapIoctl.GetNvMapWithFb(Context, Args.NvMapHandle);
if (Map == null)
{
Context.Ns.Log.PrintWarning(LogClass.ServiceNv, $"Invalid NvMap handle 0x{Args.NvMapHandle:x8}!");
return(NvResult.InvalidInput);
}
long Result = Vmm.Map(Map.Address, (long)(uint)Args.Offset << 16,
(long)(uint)Args.Pages << 16);
if (Result < 0)
{
Context.Ns.Log.PrintWarning(LogClass.ServiceNv,
$"Page 0x{Args.Offset:x16} size 0x{Args.Pages:x16} not allocated!");
return(NvResult.InvalidInput);
}
}
return(NvResult.Success);
}
private static int Remap(ServiceCtx context, int cmd)
{
int count = ((cmd >> 16) & 0xff) / 0x14;
long inputPosition = context.Request.GetBufferType0x21().Position;
for (int index = 0; index < count; index++, inputPosition += 0x14)
{
NvGpuASRemap args = MemoryHelper.Read <NvGpuASRemap>(context.Memory, inputPosition);
NvGpuVmm vmm = GetASCtx(context).Vmm;
NvMapHandle map = NvMapIoctl.GetNvMapWithFb(context, args.NvMapHandle);
if (map == null)
{
Logger.PrintWarning(LogClass.ServiceNv, $"Invalid NvMap handle 0x{args.NvMapHandle:x8}!");
return(NvResult.InvalidInput);
}
long result = vmm.Map(map.Address, (long)(uint)args.Offset << 16,
(long)(uint)args.Pages << 16);
if (result < 0)
{
Logger.PrintWarning(LogClass.ServiceNv,
$"Page 0x{args.Offset:x16} size 0x{args.Pages:x16} not allocated!");
return(NvResult.InvalidInput);
}
}
return(NvResult.Success);
}
private NvInternalResult Remap(Span <RemapArguments> arguments)
{
for (int index = 0; index < arguments.Length; index++)
{
NvGpuVmm vmm = GetAddressSpaceContext(Owner).Vmm;
NvMapHandle map = NvMapDeviceFile.GetMapFromHandle(Owner, arguments[index].NvMapHandle, true);
if (map == null)
{
Logger.PrintWarning(LogClass.ServiceNv, $"Invalid NvMap handle 0x{arguments[index].NvMapHandle:x8}!");
return(NvInternalResult.InvalidInput);
}
long result = vmm.Map(map.Address, (long)arguments[index].Offset << 16,
(long)arguments[index].Pages << 16);
if (result < 0)
{
Logger.PrintWarning(LogClass.ServiceNv,
$"Page 0x{arguments[index].Offset:x16} size 0x{arguments[index].Pages:x16} not allocated!");
return(NvInternalResult.InvalidInput);
}
}
return(NvInternalResult.Success);
}
private static int Remap(ServiceCtx Context)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
NvGpuASRemap Args = AMemoryHelper.Read <NvGpuASRemap>(Context.Memory, InputPosition);
NvGpuVmm Vmm = GetVmm(Context);
NvMapHandle Map = NvMapIoctl.GetNvMapWithFb(Context, Args.NvMapHandle);
if (Map == null)
{
Context.Ns.Log.PrintWarning(LogClass.ServiceNv, $"Invalid NvMap handle 0x{Args.NvMapHandle:x8}!");
return(NvResult.InvalidInput);
}
//FIXME: This is most likely wrong...
Vmm.Map(Map.Address, (long)(uint)Args.Offset << 16,
(long)(uint)Args.Pages << 16);
return(NvResult.Success);
}
private static int MapBufferEx(ServiceCtx Context)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
long OutputPosition = Context.Request.GetBufferType0x22().Position;
NvGpuASMapBufferEx Args = AMemoryHelper.Read <NvGpuASMapBufferEx>(Context.Memory, InputPosition);
NvGpuVmm Vmm = GetVmm(Context);
NvMapHandle Map = NvMapIoctl.GetNvMapWithFb(Context, Args.NvMapHandle);
if (Map == null)
{
Context.Ns.Log.PrintWarning(LogClass.ServiceNv, $"Invalid NvMap handle 0x{Args.NvMapHandle:x8}!");
return(NvResult.InvalidInput);
}
long PA = Map.Address + Args.BufferOffset;
long Size = Args.MappingSize;
if (Size == 0)
{
Size = (uint)Map.Size;
}
int Result = NvResult.Success;
//Note: When the fixed offset flag is not set,
//the Offset field holds the alignment size instead.
if ((Args.Flags & FlagFixedOffset) != 0)
{
long MapEnd = Args.Offset + Args.MappingSize;
if ((ulong)MapEnd <= (ulong)Args.Offset)
{
Context.Ns.Log.PrintWarning(LogClass.ServiceNv, $"Offset 0x{Args.Offset:x16} and size 0x{Args.MappingSize:x16} results in a overflow!");
return(NvResult.InvalidInput);
}
if ((Args.Offset & NvGpuVmm.PageMask) != 0)
{
Context.Ns.Log.PrintWarning(LogClass.ServiceNv, $"Offset 0x{Args.Offset:x16} is not page aligned!");
return(NvResult.InvalidInput);
}
Args.Offset = Vmm.Map(PA, Args.Offset, Size);
}
else
{
Args.Offset = Vmm.Map(PA, Size);
if (Args.Offset < 0)
{
Args.Offset = 0;
Context.Ns.Log.PrintWarning(LogClass.ServiceNv, $"No memory to map size {Args.MappingSize:x16}!");
Result = NvResult.InvalidInput;
}
}
AMemoryHelper.Write(Context.Memory, OutputPosition, Args);
return(Result);
}