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virtio: add virtio 1.0 feature bit

Based on original patches by Rusty Russell, Thomas Huth and Cornelia Huck. Note: at this time, we do not negotiate this feature bit in core, drivers have to declare VERSION_1 support explicitly. For this reason we treat this bit as a device bit and not as a transport bit for now. After all drivers are converted, we will be able to move VERSION_1 to core and drop it from all drivers.

Michael S. Tsirkin committed 12 years ago

Commit 4ec22fa1 parent 732c56e1 file · +3 −0Browse files

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include/uapi/linux/virtio_config.h+3−0
@@ -54,4 +54,7 @@ · 53 unmodified lines
54/* Can the device handle any descriptor layout? */54/* Can the device handle any descriptor layout? */
55#define VIRTIO_F_ANY_LAYOUT 2755#define VIRTIO_F_ANY_LAYOUT 27
56 56
57/* v1.0 compliant. */
58#define VIRTIO_F_VERSION_1 32
59
57#endif /* _UAPI_LINUX_VIRTIO_CONFIG_H */60#endif /* _UAPI_LINUX_VIRTIO_CONFIG_H */