[dpdk-dev] [PATCH v3 7/8] vhost: enable log_shmfd protocol feature
Yuanhan Liu
yuanhan.liu at linux.intel.com
Fri Jan 29 05:58:02 CET 2016
To claim that we support vhost-user live migration support:
SET_LOG_BASE request will be send only when this feature flag
is set.
Besides this flag, we actually need another feature flag set
to make vhost-user live migration work: VHOST_F_LOG_ALL.
Which, however, has been enabled long time ago.
Signed-off-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>
Tested-by: Pavel Fedin <p.fedin at samsung.com>
---
doc/guides/rel_notes/release_2_3.rst | 2 ++
lib/librte_vhost/vhost_user/virtio-net-user.h | 2 ++
2 files changed, 4 insertions(+)
diff --git a/doc/guides/rel_notes/release_2_3.rst b/doc/guides/rel_notes/release_2_3.rst
index 99de186..f2c9e41 100644
--- a/doc/guides/rel_notes/release_2_3.rst
+++ b/doc/guides/rel_notes/release_2_3.rst
@@ -4,6 +4,8 @@ DPDK Release 2.3
New Features
------------
+* **Added vhost-user live migration support.**
+
Resolved Issues
---------------
diff --git a/lib/librte_vhost/vhost_user/virtio-net-user.h b/lib/librte_vhost/vhost_user/virtio-net-user.h
index 1e9ff9a..28213f3 100644
--- a/lib/librte_vhost/vhost_user/virtio-net-user.h
+++ b/lib/librte_vhost/vhost_user/virtio-net-user.h
@@ -38,9 +38,11 @@
#include "vhost-net-user.h"
#define VHOST_USER_PROTOCOL_F_MQ 0
+#define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1
#define VHOST_USER_PROTOCOL_F_RARP 2
#define VHOST_USER_PROTOCOL_FEATURES ((1ULL << VHOST_USER_PROTOCOL_F_MQ) | \
+ (1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD) |\
(1ULL << VHOST_USER_PROTOCOL_F_RARP))
int user_set_mem_table(struct vhost_device_ctx, struct VhostUserMsg *);
--
1.9.0
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