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virtio.h: add some user-friendly apis #622

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virtio.h: add some user-friendly apis #622

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Commits on Oct 28, 2024

  1. virtio.h: add new feature bit VIRTIO_F_ANY_LAYOUT 

    Follow the virtio spec, this feature bit indicates that the device
accepts arbitrary descriptor layouts.

Signed-off-by: Bowen Wang <[email protected]>
    @CV-Bowen
    CV-Bowen committed Oct 28, 2024
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  2. virtio.h: add new api virtio_has_feature() 

    virtio_has_feature() can be easily used to heck if the virtio device
support a specific feature.

And assgin feature to vdev->feature for virtio device role when get
features, so the virtio device side can use virtio_has_featrue() to
check weather the virtio device support a feature.

Signed-off-by: Bowen Wang <[email protected]>
    @CV-Bowen
    CV-Bowen committed Oct 28, 2024
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