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REQ-3: The VIRTIO_GPU_F_VIRGL flag, described in chapter 5.7.3 in [VIRTIO-GPU], SHALL NOT be set.
REQ-4: The VIRTIO_GPU_F_EDID flag, described in chapter 5.7.3 in [VIRTIO-GPU], MUST be set and supported allow the guest to use display size to calculate
Device configuration layout.
REQ-45: The implementation MUST use the device configuration layout according to chapter 5.7.4 in [VIRTIO-GPU].
REQ-45.1: The implementation SHALL NOT touch the reserved structure field as it is used for the 3D mode.
Device Operation.
REQ-56: The implementation MUST suport the device operation conceprt (the command set and the operation flow) according to chapter 5.7.6 in [VIRTIO-GPU].
REQ-56.1: The implementation MUST support scatter-gather operations to fulfil the requirement in chapter 5.7.6.1 in [VIRTIO-GPU].
REQ-56.2: The implementation MUST be capable to perform DMA operations to client's attached resources to fulfil the requirement in chapter 5.7.6.1 in [VIRTIO-GPU].
VGA Compatibility.
REQ-67: VGA compatibility, as described in chapter 5.7.7 in [VIRTIO-GPU], is optional.
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