6.7-stable review patch. If anyone has any objections, please let me know.
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From: Feng Liu feliu@nvidia.com
[ Upstream commit 838bebb4c926a573839ff1bfe1b654a6ed0f9779 ]
Introduce VIRTIO_F_ADMIN_VQ which is used for administration virtqueue support.
Signed-off-by: Feng Liu feliu@nvidia.com Reviewed-by: Parav Pandit parav@nvidia.com Reviewed-by: Jiri Pirko jiri@nvidia.com Acked-by: Michael S. Tsirkin mst@redhat.com Signed-off-by: Yishai Hadas yishaih@nvidia.com Link: https://lore.kernel.org/r/20231219093247.170936-2-yishaih@nvidia.com Signed-off-by: Alex Williamson alex.williamson@redhat.com Stable-dep-of: 310227f42882 ("virtio: reenable config if freezing device failed") Signed-off-by: Sasha Levin sashal@kernel.org --- include/uapi/linux/virtio_config.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
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 */