Bowen Wang 129955eb14
virtio/virtio-config: add virtio_read_config_bytes() api ...
Follow the virtio spec:
For the device-specific configuration space, the driver MUST use 8
bit wide accesses for 8 bit wide fields, 16 bit wide and aligned
accesses for 16 bit wide fields and 32 bit wide and aligned accesses
for 32 and 64 bit wide fields.
For a string in the virtio config space, we should should byte to
byte read operations to read this string, so add a api
virtio_read_config_bytes() for this.
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com >
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Bowen Wang
129955eb14