From d3dff7a5a1e0a6eff963fabc4d06879d060f34ee Mon Sep 17 00:00:00 2001 From: Dr. David Alan Gilbert Date: Mon, 12 Mar 2018 17:21:01 +0000 Subject: vhost-user: Add 'VHOST_USER_POSTCOPY_ADVISE' message Wire up a notifier to send a VHOST_USER_POSTCOPY_ADVISE message on an incoming advise. Later patches will fill in the behaviour/contents of the message. Signed-off-by: Dr. David Alan Gilbert Reviewed-by: Marc-André Lureau Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- contrib/libvhost-user/libvhost-user.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'contrib/libvhost-user/libvhost-user.c') diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/libvhost-user.c index 2e358b5bce..37d4228193 100644 --- a/contrib/libvhost-user/libvhost-user.c +++ b/contrib/libvhost-user/libvhost-user.c @@ -86,6 +86,7 @@ vu_request_to_string(unsigned int req) REQ(VHOST_USER_SET_VRING_ENDIAN), REQ(VHOST_USER_GET_CONFIG), REQ(VHOST_USER_SET_CONFIG), + REQ(VHOST_USER_POSTCOPY_ADVISE), REQ(VHOST_USER_MAX), }; #undef REQ @@ -856,6 +857,14 @@ vu_set_config(VuDev *dev, VhostUserMsg *vmsg) return false; } +static bool +vu_set_postcopy_advise(VuDev *dev, VhostUserMsg *vmsg) +{ + /* TODO: Open ufd, pass it back in the request */ + vmsg->size = 0; + return true; /* = send a reply */ +} + static bool vu_process_message(VuDev *dev, VhostUserMsg *vmsg) { @@ -927,6 +936,8 @@ vu_process_message(VuDev *dev, VhostUserMsg *vmsg) return vu_set_config(dev, vmsg); case VHOST_USER_NONE: break; + case VHOST_USER_POSTCOPY_ADVISE: + return vu_set_postcopy_advise(dev, vmsg); default: vmsg_close_fds(vmsg); vu_panic(dev, "Unhandled request: %d", vmsg->request); -- cgit v1.2.3-55-g7522