diff options
Diffstat (limited to 'contrib/libvhost-user/libvhost-user.c')
| -rw-r--r-- | contrib/libvhost-user/libvhost-user.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/libvhost-user.c index b89bf18501..533d55d82a 100644 --- a/contrib/libvhost-user/libvhost-user.c +++ b/contrib/libvhost-user/libvhost-user.c @@ -1199,7 +1199,8 @@ vu_get_protocol_features_exec(VuDev *dev, VhostUserMsg *vmsg) 1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD | 1ULL << VHOST_USER_PROTOCOL_F_SLAVE_REQ | 1ULL << VHOST_USER_PROTOCOL_F_HOST_NOTIFIER | - 1ULL << VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD; + 1ULL << VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD | + 1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK; if (have_userfault()) { features |= 1ULL << VHOST_USER_PROTOCOL_F_PAGEFAULT; @@ -1581,13 +1582,20 @@ vu_dispatch(VuDev *dev) { VhostUserMsg vmsg = { 0, }; int reply_requested; - bool success = false; + bool need_reply, success = false; if (!vu_message_read(dev, dev->sock, &vmsg)) { goto end; } + need_reply = vmsg.flags & VHOST_USER_NEED_REPLY_MASK; + reply_requested = vu_process_message(dev, &vmsg); + if (!reply_requested && need_reply) { + vmsg_set_reply_u64(&vmsg, 0); + reply_requested = 1; + } + if (!reply_requested) { success = true; goto end; |