[PATCH v1 04/11] qemu: Introduce nbd-server-add command

[Michal Privoznik <mprivozn@xxxxxxxxxx>]

This will be used with new migration scheme.
This patch creates basically just monitor stub
functions. Wiring them into something useful
is done in later patches.
---
 src/qemu/qemu_monitor.c      |   21 +++++++++++++++++++++
 src/qemu/qemu_monitor.h      |    2 ++
 src/qemu/qemu_monitor_json.c |   23 +++++++++++++++++++++++
 src/qemu/qemu_monitor_json.h |    2 ++
 4 files changed, 48 insertions(+), 0 deletions(-)

diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index 228a993..b84b961 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -3344,3 +3344,24 @@ int qemuMonitorNBDServerStart(qemuMonitorPtr mon,
 
     return qemuMonitorJSONNBDServerStart(mon, host, port);
 }
+
+int qemuMonitorNBDServerAdd(qemuMonitorPtr mon,
+                            const char *deviceID)
+{
+    VIR_DEBUG("mon=%p deviceID=%s",
+              mon, deviceID);
+
+    if (!mon) {
+        virReportError(VIR_ERR_INVALID_ARG, "%s",
+                       _("monitor must not be NULL"));
+        return -1;
+    }
+
+    if (!mon->json) {
+        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                       _("JSON monitor is required"));
+        return -1;
+    }
+
+    return qemuMonitorJSONNBDServerAdd(mon, deviceID);
+}
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index eb069ed..09b7866 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -634,6 +634,8 @@ char *qemuMonitorGetTargetArch(qemuMonitorPtr mon);
 int qemuMonitorNBDServerStart(qemuMonitorPtr mon,
                               const char *host,
                               unsigned int port);
+int qemuMonitorNBDServerAdd(qemuMonitorPtr mon,
+                            const char *deviceID);
 /**
  * When running two dd process and using <> redirection, we need a
  * shell that will not truncate files.  These two strings serve that
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 2bf03e8..c740837 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -4589,3 +4589,26 @@ cleanup:
     virJSONValueFree(data);
     return ret;
 }
+
+int
+qemuMonitorJSONNBDServerAdd(qemuMonitorPtr mon,
+                            const char *deviceID)
+{
+    int ret = -1;
+    virJSONValuePtr cmd;
+    virJSONValuePtr reply = NULL;
+
+    if (!(cmd = qemuMonitorJSONMakeCommand("nbd-server-add",
+                                           "s:device", deviceID,
+                                           NULL)))
+        return ret;
+
+    ret = qemuMonitorJSONCommand(mon, cmd, &reply);
+
+    if (ret == 0)
+        ret = qemuMonitorJSONCheckError(cmd, reply);
+
+    virJSONValueFree(cmd);
+    virJSONValueFree(reply);
+    return ret;
+}
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index 506e6f7..1dc2fbe 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -339,4 +339,6 @@ char *qemuMonitorJSONGetTargetArch(qemuMonitorPtr mon);
 int qemuMonitorJSONNBDServerStart(qemuMonitorPtr mon,
                                   const char *host,
                                   unsigned int port);
+int qemuMonitorJSONNBDServerAdd(qemuMonitorPtr mon,
+                                const char *deviceID);
 #endif /* QEMU_MONITOR_JSON_H */
-- 
1.7.8.6

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