This is a note to let you know that I've just added the patch titled
virtio: Define feature bit for administration virtqueue
to the 6.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
virtio-define-feature-bit-for-administration-virtque.patch
and it can be found in the queue-6.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 85b1f2e28642d22f40751afcc4877430c8d242ec
Author: Feng Liu <feliu@xxxxxxxxxx>
Date: Tue Dec 19 11:32:39 2023 +0200
virtio: Define feature bit for administration virtqueue
[ Upstream commit 838bebb4c926a573839ff1bfe1b654a6ed0f9779 ]
Introduce VIRTIO_F_ADMIN_VQ which is used for administration virtqueue
support.
Signed-off-by: Feng Liu <feliu@xxxxxxxxxx>
Reviewed-by: Parav Pandit <parav@xxxxxxxxxx>
Reviewed-by: Jiri Pirko <jiri@xxxxxxxxxx>
Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Signed-off-by: Yishai Hadas <yishaih@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20231219093247.170936-2-yishaih@xxxxxxxxxx
Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
Stable-dep-of: 310227f42882 ("virtio: reenable config if freezing device failed")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h
index 8881aea60f6f1..2445f365bce74 100644
--- a/include/uapi/linux/virtio_config.h
+++ b/include/uapi/linux/virtio_config.h
@@ -52,7 +52,7 @@
* rest are per-device feature bits.
*/
#define VIRTIO_TRANSPORT_F_START 28
-#define VIRTIO_TRANSPORT_F_END 41
+#define VIRTIO_TRANSPORT_F_END 42
#ifndef VIRTIO_CONFIG_NO_LEGACY
/* Do we get callbacks when the ring is completely used, even if we've
@@ -114,4 +114,10 @@
* This feature indicates that the driver can reset a queue individually.
*/
#define VIRTIO_F_RING_RESET 40
+
+/*
+ * This feature indicates that the device support administration virtqueues.
+ */
+#define VIRTIO_F_ADMIN_VQ 41
+
#endif /* _UAPI_LINUX_VIRTIO_CONFIG_H */
