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authorRusty Russell <rusty@rustcorp.com.au>2015-02-11 15:01:14 +1030
committerRusty Russell <rusty@rustcorp.com.au>2015-02-11 15:03:16 +1030
commit6d96ee98b1d08bcf0f90a6bf2c6766dda6b3a010 (patch)
treea655e58cffaf832c9d0647bbb48f6fff51c7cfce /include/uapi
parent527100a4ee744bbfc90f1609ee4a0144883b3e4a (diff)
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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: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/virtio_config.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h
index a6d0cdeaacd4..c18264df9504 100644
--- a/include/uapi/linux/virtio_config.h
+++ b/include/uapi/linux/virtio_config.h
@@ -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
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