This features allows QEMU to be migrated. We need also to report
VHOST_F_LOG_ALL.
This protocol feature reports we can log the page update and
implement VHOST_USER_SET_LOG_BASE and VHOST_USER_SET_LOG_FD.
Signed-off-by: Laurent Vivier <lvivier(a)redhat.com>
---
vhost_user.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/vhost_user.c b/vhost_user.c
index c2fac58badf1..3264949e349e 100644
--- a/vhost_user.c
+++ b/vhost_user.c
@@ -334,6 +334,7 @@ static bool vu_get_features_exec(struct vu_dev *vdev,
uint64_t features =
1ULL << VIRTIO_F_VERSION_1 |
1ULL << VIRTIO_NET_F_MRG_RXBUF |
+ 1ULL << VHOST_F_LOG_ALL |
1ULL << VHOST_USER_F_PROTOCOL_FEATURES;
(void)vdev;
@@ -912,7 +913,8 @@ static bool vu_set_vring_err_exec(struct vu_dev *vdev,
static bool vu_get_protocol_features_exec(struct vu_dev *vdev,
struct vhost_user_msg *msg)
{
- uint64_t features = 1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK;
+ uint64_t features = 1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK |
+ 1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD;
(void)vdev;
vmsg_set_reply_u64(msg, features);
--
2.47.1