private static int FreeSpace(ServiceCtx Context)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
long OutputPosition = Context.Request.GetBufferType0x22().Position;
NvGpuASAllocSpace Args = AMemoryHelper.Read <NvGpuASAllocSpace>(Context.Memory, InputPosition);
NvGpuASCtx ASCtx = GetASCtx(Context);
int Result = NvResult.Success;
lock (ASCtx)
{
ulong Size = (ulong)Args.Pages *
(ulong)Args.PageSize;
if (ASCtx.RemoveReservation(Args.Offset))
{
ASCtx.Vmm.Free(Args.Offset, (long)Size);
}
else
{
Context.Ns.Log.PrintWarning(LogClass.ServiceNv,
$"Failed to free offset 0x{Args.Offset:x16} size 0x{Size:x16}!");
Result = NvResult.InvalidInput;
}
}
return(Result);
}
private static int FreeSpace(ServiceCtx Context)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
long OutputPosition = Context.Request.GetBufferType0x22().Position;
NvGpuASAllocSpace Args = AMemoryHelper.Read <NvGpuASAllocSpace>(Context.Memory, InputPosition);
NvGpuVmm Vmm = GetVmm(Context);
ulong Size = (ulong)Args.Pages *
(ulong)Args.PageSize;
Vmm.Free(Args.Offset, (long)Size);
return(NvResult.Success);
}
private static int AllocSpace(ServiceCtx Context)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
long OutputPosition = Context.Request.GetBufferType0x22().Position;
NvGpuASAllocSpace Args = AMemoryHelper.Read <NvGpuASAllocSpace>(Context.Memory, InputPosition);
NvGpuASCtx ASCtx = GetASCtx(Context);
ulong Size = (ulong)Args.Pages *
(ulong)Args.PageSize;
int Result = NvResult.Success;
lock (ASCtx)
{
//Note: When the fixed offset flag is not set,
//the Offset field holds the alignment size instead.
if ((Args.Flags & FlagFixedOffset) != 0)
{
Args.Offset = ASCtx.Vmm.ReserveFixed(Args.Offset, (long)Size);
}
else
{
Args.Offset = ASCtx.Vmm.Reserve((long)Size, Args.Offset);
}
if (Args.Offset < 0)
{
Args.Offset = 0;
Context.Ns.Log.PrintWarning(LogClass.ServiceNv, $"Failed to allocate size {Size:x16}!");
Result = NvResult.OutOfMemory;
}
else
{
ASCtx.AddReservation(Args.Offset, (long)Size);
}
}
AMemoryHelper.Write(Context.Memory, OutputPosition, Args);
return(Result);
}
private static int AllocSpace(ServiceCtx Context)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
long OutputPosition = Context.Request.GetBufferType0x22().Position;
NvGpuASAllocSpace Args = AMemoryHelper.Read <NvGpuASAllocSpace>(Context.Memory, InputPosition);
NvGpuVmm Vmm = GetVmm(Context);
ulong Size = (ulong)Args.Pages *
(ulong)Args.PageSize;
if ((Args.Flags & FlagFixedOffset) != 0)
{
Args.Offset = Vmm.Reserve(Args.Offset, (long)Size, 1);
}
else
{
Args.Offset = Vmm.Reserve((long)Size, 1);
}
int Result = NvResult.Success;
if (Args.Offset < 0)
{
Args.Offset = 0;
Context.Ns.Log.PrintWarning(LogClass.ServiceNv, $"No memory to allocate size {Size:x16}!");
Result = NvResult.OutOfMemory;
}
AMemoryHelper.Write(Context.Memory, OutputPosition, Args);
return(Result);
}