[PATCH 23/27] qemu: process: Add a hotplug version of qemuProcessPrepareHostBackendChardev

[Peter Krempa]

When hotplugging a chardev we need the same form of setup for the
character device. Export a version which takes a 'virDomainDeviceDef'.

Signed-off-by: Peter Krempa <pkrempa at redhat.com>
---
 src/qemu/qemu_process.c | 27 +++++++++++++++++++++++++++
 src/qemu/qemu_process.h |  6 ++++++
 2 files changed, 33 insertions(+)

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index b44e684589..9fea72960f 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -6965,6 +6965,33 @@ qemuProcessPrepareHostBackendChardev(virDomainObj *vm)
 }


+int
+qemuProcessPrepareHostBackendChardevHotplug(virDomainObj *vm,
+                                            virDomainDeviceDef *dev)
+{
+    qemuDomainObjPrivate *priv = vm->privateData;
+    g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(priv->driver);
+    struct qemuProcessPrepareHostBackendChardevData data = {
+        .priv = priv,
+        .logManager = NULL,
+        .cfg = cfg,
+        .def = vm->def,
+    };
+    g_autoptr(virLogManager) logManager = NULL;
+
+    if (cfg->stdioLogD) {
+        if (!(logManager = data.logManager = virLogManagerNew(priv->driver->privileged)))
+            return -1;
+    }
+
+    if (qemuDomainDeviceBackendChardevForeachOne(dev,
+                                                 qemuProcessPrepareHostBackendChardevOne,
+                                                 &data) < 0)
+        return -1;
+
+    return 0;
+}
+
 /**
  * qemuProcessPrepareHost:
  * @driver: qemu driver
diff --git a/src/qemu/qemu_process.h b/src/qemu/qemu_process.h
index f6dd3f5104..289cd74eb7 100644
--- a/src/qemu/qemu_process.h
+++ b/src/qemu/qemu_process.h
@@ -120,6 +120,12 @@ int qemuProcessOpenVhostVsock(virDomainVsockDef *vsock);

 int qemuProcessPrepareHostHostdev(virDomainHostdevDef *hostdev);

+
+int qemuProcessPrepareHostBackendChardevHotplug(virDomainObj *vm,
+                                                virDomainDeviceDef *dev)
+    G_GNUC_NO_INLINE;
+
+
 int qemuProcessPrepareHost(virQEMUDriver *driver,
                            virDomainObj *vm,
                            unsigned int flags);
-- 
2.34.1