[PATCH 10/12] migration/multifd-pin: add qemu monitor callback functions

[Jiang Jiacheng]

From: zhengchuan <zhengchuan at huawei.com>

add qemu monitor callback functions

Signed-off-by:zhengchuan<zhengchuan at huawei.com>
---
 src/qemu/qemu_monitor.c      | 10 ++++++++++
 src/qemu/qemu_monitor.h      |  6 ++++++
 src/qemu/qemu_monitor_json.c | 16 ++++++++++++++++
 3 files changed, 32 insertions(+)

diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index 36ec923861..17f00f13fd 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -1390,6 +1390,16 @@ qemuMonitorEmitMigrationPid(qemuMonitor *mon,
 }
 
 
+void
+qemuMonitorEmitMigrationMultiFdPids(qemuMonitor *mon,
+                                    int mpid)
+{
+    VIR_DEBUG("mon=%p, pass=%d", mon, mpid);
+
+    QEMU_MONITOR_CALLBACK(mon, domainMigrationMultiFdPids, mon->vm, mpid);
+}
+
+
 void
 qemuMonitorEmitRdmaGidStatusChanged(qemuMonitor *mon,
                                     const char *netdev,
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 4eddd79779..f19f94eaf0 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -366,6 +366,10 @@ typedef int (*qemuMonitorDomainMigrationPidCallback)(qemuMonitor *mon,
                                                      virDomainObj *vm,
                                                      int mcpid);
 
+typedef int (*qemuMonitorDomainMigrationMultiFdPidsCallback)(qemuMonitor *mon,
+                                                             virDomainObj *vm,
+                                                             int mcpid);
+
 typedef struct _qemuMonitorCallbacks qemuMonitorCallbacks;
 struct _qemuMonitorCallbacks {
     qemuMonitorEofNotifyCallback eofNotify;
@@ -402,6 +406,7 @@ struct _qemuMonitorCallbacks {
     qemuMonitorDomainMemoryDeviceSizeChange domainMemoryDeviceSizeChange;
     qemuMonitorDomainDeviceUnplugErrCallback domainDeviceUnplugError;
     qemuMonitorDomainMigrationPidCallback domainMigrationPid;
+    qemuMonitorDomainMigrationMultiFdPidsCallback domainMigrationMultiFdPids;
 };
 
 qemuMonitor *qemuMonitorOpen(virDomainObj *vm,
@@ -505,6 +510,7 @@ void qemuMonitorEmitMigrationPass(qemuMonitor *mon,
                                   int pass);
 
 void qemuMonitorEmitMigrationPid(qemuMonitor *mon, int mpid);
+void qemuMonitorEmitMigrationMultiFdPids(qemuMonitor *mon, int mpid);
 
 void qemuMonitorEmitAcpiOstInfo(qemuMonitor *mon,
                                 const char *alias,
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 3129305107..1fc8c23518 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -85,6 +85,7 @@ static void qemuMonitorJSONHandleMemoryFailure(qemuMonitor *mon, virJSONValue *d
 static void qemuMonitorJSONHandleMemoryDeviceSizeChange(qemuMonitor *mon, virJSONValue *data);
 static void qemuMonitorJSONHandleDeviceUnplugErr(qemuMonitor *mon, virJSONValue *data);
 static void qemuMonitorJSONHandleMigrationPid(qemuMonitor *mon, virJSONValue *data);
+static void qemuMonitorJSONHandleMigrationMultiFdPids(qemuMonitor *mon, virJSONValue *data);
 
 typedef struct {
     const char *type;
@@ -106,6 +107,7 @@ static qemuEventHandler eventHandlers[] = {
     { "MEMORY_DEVICE_SIZE_CHANGE", qemuMonitorJSONHandleMemoryDeviceSizeChange, },
     { "MEMORY_FAILURE", qemuMonitorJSONHandleMemoryFailure, },
     { "MIGRATION", qemuMonitorJSONHandleMigrationStatus, },
+    { "MIGRATION_MULTIFD_PID", qemuMonitorJSONHandleMigrationMultiFdPids, },
     { "MIGRATION_PASS", qemuMonitorJSONHandleMigrationPass, },
     { "MIGRATION_PID", qemuMonitorJSONHandleMigrationPid, },
     { "NIC_RX_FILTER_CHANGED", qemuMonitorJSONHandleNicRxFilterChanged, },
@@ -145,6 +147,20 @@ qemuMonitorJSONHandleMigrationPid(qemuMonitor *mon,
     qemuMonitorEmitMigrationPid(mon, mpid);
 }
 
+static void
+qemuMonitorJSONHandleMigrationMultiFdPids(qemuMonitor *mon,
+                                                      virJSONValue *data)
+{
+    int mpid;
+
+    if (virJSONValueObjectGetNumberInt(data, "pid", &mpid) < 0) {
+        VIR_WARN("missing multifd pid in migration-multifd-pid event");
+        return;
+    }
+
+    qemuMonitorEmitMigrationMultiFdPids(mon, mpid);
+}
+
 static int
 qemuMonitorEventCompare(const void *key, const void *elt)
 {
-- 
2.33.0