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

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The VIRTIO_F_ANY_LAYOUT and VIRTIO_F_NOTIFY_ON_EMPTY features are pre-1.0
only.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Rusty Russell 2015-02-11 15:01:14 +10:30
parent 527100a4ee
commit 6d96ee98b1
1 changed files with 2 additions and 0 deletions
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2
include/uapi/linux/virtio_config.h
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@ -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