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authorDr. David Alan Gilbert2019-02-27 14:24:05 +0100
committerJason Wang2019-03-05 04:27:41 +0100
commit50510ea2c2960cc48e9cc1676dde88b849933b6e (patch)
treeea82a8203ccb5b9e0a0f10cb0ccd65b34fcd91f3 /include/net/announce.h
parentnet: netmap: improve netmap_receive_iov() (diff)
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net: Introduce announce timer
The 'announce timer' will be used by migration, and explicit requests for qemu to perform network announces. Based on the work by Germano Veit Michel <germano@redhat.com> and Vlad Yasevich <vyasevic@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'include/net/announce.h')
-rw-r--r--include/net/announce.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/include/net/announce.h b/include/net/announce.h
new file mode 100644
index 0000000000..b89f1c28b5
--- /dev/null
+++ b/include/net/announce.h
@@ -0,0 +1,39 @@
+/*
+ * Self-announce facility
+ * (c) 2017-2019 Red Hat, Inc.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_NET_ANNOUNCE_H
+#define QEMU_NET_ANNOUNCE_H
+
+#include "qemu-common.h"
+#include "qapi/qapi-types-net.h"
+#include "qemu/timer.h"
+
+struct AnnounceTimer {
+ QEMUTimer *tm;
+ AnnounceParameters params;
+ QEMUClockType type;
+ int round;
+};
+
+/* Returns: update the timer to the next time point */
+int64_t qemu_announce_timer_step(AnnounceTimer *timer);
+
+/* Delete the underlying timer */
+void qemu_announce_timer_del(AnnounceTimer *timer);
+
+/*
+ * Under BQL/main thread
+ * Reset the timer to the given parameters/type/notifier.
+ */
+void qemu_announce_timer_reset(AnnounceTimer *timer,
+ AnnounceParameters *params,
+ QEMUClockType type,
+ QEMUTimerCB *cb,
+ void *opaque);
+
+#endif