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Kernel: Properly propagate errors in VirtIOGPU 3D device initialization

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Liav A 2022-12-16 13:22:00 +02:00 • committed by Sam Atkins
parent 1a85539741
commit bb491a681d
4 changed files with 15 additions and 13 deletions
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15
Kernel/Graphics/VirtIOGPU/GPU3DDevice.cpp
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@ -21,25 +21,24 @@ VirtIOGPU3DDevice::PerContextState::PerContextState(Graphics::VirtIOGPU::Context
{
}
NonnullLockRefPtr<VirtIOGPU3DDevice> VirtIOGPU3DDevice::must_create(VirtIOGraphicsAdapter const& adapter)
ErrorOr<NonnullLockRefPtr<VirtIOGPU3DDevice>> VirtIOGPU3DDevice::try_create(VirtIOGraphicsAdapter& adapter)
{
// Setup memory transfer region
auto region_result = MM.allocate_kernel_region(
auto region_result = TRY(MM.allocate_kernel_region(
NUM_TRANSFER_REGION_PAGES * PAGE_SIZE,
"VIRGL3D kernel upload buffer"sv,
Memory::Region::Access::ReadWrite,
AllocationStrategy::AllocateNow);
VERIFY(!region_result.is_error());
auto device = MUST(DeviceManagement::try_create_device<VirtIOGPU3DDevice>(adapter, region_result.release_value()));
return device;
AllocationStrategy::AllocateNow));
auto kernel_context_id = TRY(adapter.create_context());
return TRY(DeviceManagement::try_create_device<VirtIOGPU3DDevice>(adapter, move(region_result), kernel_context_id));
}
VirtIOGPU3DDevice::VirtIOGPU3DDevice(VirtIOGraphicsAdapter const& graphics_adapter, NonnullOwnPtr<Memory::Region> transfer_buffer_region)
VirtIOGPU3DDevice::VirtIOGPU3DDevice(VirtIOGraphicsAdapter const& graphics_adapter, NonnullOwnPtr<Memory::Region> transfer_buffer_region, Graphics::VirtIOGPU::ContextID kernel_context_id)
: CharacterDevice(28, 0)
, m_graphics_adapter(graphics_adapter)
, m_kernel_context_id(kernel_context_id)
, m_transfer_buffer_region(move(transfer_buffer_region))
{
m_kernel_context_id = MUST(m_graphics_adapter->create_context());
}
void VirtIOGPU3DDevice::detach(OpenFileDescription& description)