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;
{
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;