[PATCH 1/4] qemu monitor: add snaphot-save/delete QMP commands

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Signed-off-by: Nikolai Barybin <nikolai.barybin@xxxxxxxxxxxxx>
---
 src/qemu/qemu_monitor.c      | 30 ++++++++++++++++
 src/qemu/qemu_monitor.h      | 13 +++++++
 src/qemu/qemu_monitor_json.c | 66 ++++++++++++++++++++++++++++++++++++
 src/qemu/qemu_monitor_json.h | 13 +++++++
 4 files changed, 122 insertions(+)

diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index b1c0c6a064..53f5ecf223 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -2763,6 +2763,36 @@ qemuMonitorDeleteSnapshot(qemuMonitor *mon, const char *name)
 }
 
 
+int
+qemuMonitorSnapshotSave(qemuMonitor *mon,
+                        const char *jobname,
+                        const char *snapshotName,
+                        const char *vmstateDev,
+                        char **wrdevs)
+{
+    VIR_DEBUG("jobname=%s, snapshotName=%s, vmstateDev=%s, wrdevs=%p",
+              jobname, snapshotName, vmstateDev, wrdevs);
+
+    QEMU_CHECK_MONITOR(mon);
+
+    return qemuMonitorJSONSnapshotSave(mon, jobname, snapshotName, vmstateDev, wrdevs);
+}
+
+
+int
+qemuMonitorSnapshotDelete(qemuMonitor *mon,
+                          const char *jobname,
+                          const char *snapshotName,
+                          char **wrdevs)
+{
+    VIR_DEBUG("jobname=%s, snapshotName=%s, wrdevs=%p", jobname, snapshotName, wrdevs);
+
+    QEMU_CHECK_MONITOR(mon);
+
+    return qemuMonitorJSONSnapshotDelete(mon, jobname, snapshotName, wrdevs);
+}
+
+
 int
 qemuMonitorBlockdevMirror(qemuMonitor *mon,
                           const char *jobname,
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 76c859a888..27dbb78e06 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -1617,3 +1617,16 @@ int
 qemuMonitorDisplayReload(qemuMonitor *mon,
                          const char *type,
                          bool tlsCerts);
+
+int
+qemuMonitorSnapshotSave(qemuMonitor *mon,
+                        const char *jobname,
+                        const char *snapshotName,
+                        const char *vmstateDev,
+                        char **wrdevs);
+
+int
+qemuMonitorSnapshotDelete(qemuMonitor *mon,
+                          const char *jobname,
+                          const char *snapshotName,
+                          char **wrdevs);
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 8a20ce57e6..312a4aee04 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -8955,3 +8955,69 @@ int qemuMonitorJSONDisplayReload(qemuMonitor *mon,
 
     return 0;
 }
+
+int
+qemuMonitorJSONSnapshotSave(qemuMonitor *mon,
+                            const char *jobname,
+                            const char *snapshotName,
+                            const char *vmstateDev,
+                            char **wrdevs)
+{
+    g_autoptr(virJSONValue) cmd = NULL;
+    g_autoptr(virJSONValue) reply = NULL;
+    g_autoptr(virJSONValue) wrdev_list = NULL;
+    size_t i = 0;
+
+    if (wrdevs) {
+        wrdev_list = virJSONValueNewArray();
+
+        for (i = 0; wrdevs[i]; i++)
+            if (virJSONValueArrayAppendString(wrdev_list, wrdevs[i]) < 0)
+                return -1;
+    }
+
+    if (!(cmd = qemuMonitorJSONMakeCommand("snapshot-save",
+                                           "s:job-id", jobname,
+                                           "s:tag", snapshotName,
+                                           "s:vmstate", vmstateDev,
+                                           "A:devices", &wrdev_list,
+                                           NULL)))
+        return -1;
+
+    if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
+        return -1;
+
+    return qemuMonitorJSONCheckError(cmd, reply);
+}
+
+int
+qemuMonitorJSONSnapshotDelete(qemuMonitor *mon,
+                              const char *jobname,
+                              const char *snapshotName,
+                              char **wrdevs)
+{
+    g_autoptr(virJSONValue) cmd = NULL;
+    g_autoptr(virJSONValue) reply = NULL;
+    g_autoptr(virJSONValue) wrdev_list = NULL;
+    size_t i = 0;
+
+    if (wrdevs) {
+        wrdev_list = virJSONValueNewArray();
+
+        for (i = 0; wrdevs[i]; i++)
+            if (virJSONValueArrayAppendString(wrdev_list, wrdevs[i]) < 0)
+                return -1;
+    }
+
+    if (!(cmd = qemuMonitorJSONMakeCommand("snapshot-delete",
+                                           "s:job-id", jobname,
+                                           "s:tag", snapshotName,
+                                           "A:devices", &wrdev_list,
+                                           NULL)))
+        return -1;
+
+    if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
+        return -1;
+
+    return qemuMonitorJSONCheckError(cmd, reply);
+}
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index 921dd34ed2..0245cd54fc 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -825,3 +825,16 @@ qemuMonitorJSONQueryStats(qemuMonitor *mon,
 int qemuMonitorJSONDisplayReload(qemuMonitor *mon,
                                  const char *type,
                                  bool tlsCerts);
+
+int
+qemuMonitorJSONSnapshotSave(qemuMonitor *mon,
+                            const char *jobname,
+                            const char *snapshotName,
+                            const char *vmstateDev,
+                            char **wrdevs);
+
+int
+qemuMonitorJSONSnapshotDelete(qemuMonitor *mon,
+                              const char *jobname,
+                              const char *snapshotName,
+                              char **wrdevs);
-- 
2.43.5



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