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Commit 6d96ee98 authored by Rusty Russell's avatar Rusty Russell
Browse files

virtio: Don't expose legacy config features when VIRTIO_CONFIG_NO_LEGACY defined. 



The VIRTIO_F_ANY_LAYOUT and VIRTIO_F_NOTIFY_ON_EMPTY features are pre-1.0
only.

Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
Acked-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 527100a4

include/uapi/linux/virtio_config.h

+2 −0
Original line number Diff line number Diff line
@@ -49,12 +49,14 @@ 
#define VIRTIO_TRANSPORT_F_START	28

#define VIRTIO_TRANSPORT_F_END		33



#ifndef VIRTIO_CONFIG_NO_LEGACY

/* Do we get callbacks when the ring is completely used, even if we've

 * suppressed them? */

#define VIRTIO_F_NOTIFY_ON_EMPTY	24



/* Can the device handle any descriptor layout? */

#define VIRTIO_F_ANY_LAYOUT		27

#endif /* VIRTIO_CONFIG_NO_LEGACY */



/* v1.0 compliant. */

#define VIRTIO_F_VERSION_1		32