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Kernel: Implement basic VirGL device

This commit flips VirtIOGPU back to using a Mutex for its operation
lock (instead of a spinlock). This is necessary for avoiding a few
system hangs when queuing actions on the driver from multiple
processes, which becomes much more of an issue when using VirGL from
multiple userspace process.

This does result in a few code paths where we inevitably have to grab
a mutex from inside a spinlock, the only way to fix both issues is to
move to issuing asynchronous virtio gpu commands.
This commit is contained in:
Sahan Fernando 2022-02-13 16:45:30 +11:00 committed by Ali Mohammad Pur
parent 966989afe8
commit fd6a536c60
7 changed files with 503 additions and 8 deletions

View file

@ -86,6 +86,7 @@ set(KERNEL_SOURCES
Graphics/VGA/PCIAdapter.cpp
Graphics/VirtIOGPU/FramebufferDevice.cpp
Graphics/VirtIOGPU/Console.cpp
Graphics/VirtIOGPU/GPU3DDevice.cpp
Graphics/VirtIOGPU/GraphicsAdapter.cpp
Graphics/GenericFramebufferDevice.cpp
SanCov.cpp