diff mbox series

[v3,2/2] vhost: support VIRTIO_F_RING_RESET for vhost-user

Message ID 5a9722d0d3890403280805e6173a2d1e9db8f777.1662952732.git.kangjie.xu@linux.alibaba.com (mailing list archive)
State New
Delegated to: Maxime Coquelin
Headers
Series vhost: support VIRTIO_F_RING_RESET for vhost-user |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/iol-aarch64-compile-testing success Testing PASS
ci/iol-intel-Functional success Functional Testing PASS
ci/iol-aarch64-unit-testing success Testing PASS
ci/iol-mellanox-Performance success Performance Testing PASS
ci/iol-x86_64-unit-testing success Testing PASS
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-x86_64-compile-testing success Testing PASS
ci/github-robot: build success github build: passed
ci/Intel-compilation fail Compilation issues
ci/intel-Testing success Testing PASS

Commit Message

Kangjie Xu Sept. 12, 2022, 3:36 a.m. UTC 
  Add VIRTIO_F_RING_RESET, which indicates that the driver can reset a
queue individually.

The feature is added to virtio-spec 1.2. The relevant information is
in https://github.com/oasis-tcs/virtio-spec/issues/124

Signed-off-by: Kangjie Xu <kangjie.xu@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
---
 lib/vhost/vhost.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/lib/vhost/vhost.h b/lib/vhost/vhost.h
index 40fac3b7c6..76461a3406 100644
--- a/lib/vhost/vhost.h
+++ b/lib/vhost/vhost.h
@@ -376,6 +376,11 @@  struct vhost_msg {
  #define VIRTIO_F_VERSION_1 32
 #endif
 
+/* This feature indicates that the driver can reset a queue individually. */
+#ifndef VIRTIO_F_RING_RESET
+#define VIRTIO_F_RING_RESET 40
+#endif
+
 /* Declare packed ring related bits for older kernels */
 #ifndef VIRTIO_F_RING_PACKED
 
@@ -438,7 +443,8 @@  struct vring_packed_desc_event {
 				(1ULL << VIRTIO_NET_F_MTU)  | \
 				(1ULL << VIRTIO_F_IN_ORDER) | \
 				(1ULL << VIRTIO_F_IOMMU_PLATFORM) | \
-				(1ULL << VIRTIO_F_RING_PACKED))
+				(1ULL << VIRTIO_F_RING_PACKED)	| \
+				(1ULL << VIRTIO_F_RING_RESET))
 
 
 struct guest_page {