[libvirt] [PATCH v2 5/8] node_device: implement node device lifecycle event APIs
---
src/conf/node_device_conf.h | 4 ++++
src/node_device/node_device_driver.c | 42 ++++++++++++++++++++++++++++++++++++
src/node_device/node_device_driver.h | 10 +++++++++
3 files changed, 56 insertions(+)
diff --git a/src/conf/node_device_conf.h b/src/conf/node_device_conf.h
index 9e3e6fe..8f23a98 100644
--- a/src/conf/node_device_conf.h
+++ b/src/conf/node_device_conf.h
@@ -31,6 +31,7 @@
# include "virthread.h"
# include "virpci.h"
# include "device_conf.h"
+# include "object_event.h"
# include <libxml/tree.h>
@@ -229,6 +230,9 @@ struct _virNodeDeviceDriverState {
virNodeDeviceObjList devs; /* currently-known devices */
void *privateData; /* driver-specific private data */
+
+ /* Immutable pointer, self-locking APIs */
+ virObjectEventStatePtr nodeDeviceEventState;
};
diff --git a/src/node_device/node_device_driver.c b/src/node_device/node_device_driver.c
index 500caeb..91bb142 100644
--- a/src/node_device/node_device_driver.c
+++ b/src/node_device/node_device_driver.c
@@ -35,6 +35,7 @@
#include "virfile.h"
#include "virstring.h"
#include "node_device_conf.h"
+#include "node_device_event.h"
#include "node_device_driver.h"
#include "node_device_hal.h"
#include "node_device_linux_sysfs.h"
@@ -677,6 +678,47 @@ nodeDeviceDestroy(virNodeDevicePtr dev)
return ret;
}
+int
+nodeConnectNodeDeviceEventRegisterAny(virConnectPtr conn,
+ virNodeDevicePtr dev,
+ int eventID,
+ virConnectNodeDeviceEventGenericCallback callback,
+ void *opaque,
+ virFreeCallback freecb)
+{
+ int callbackID = -1;
+
+ if (virConnectNodeDeviceEventRegisterAnyEnsureACL(conn) < 0)
+ goto cleanup;
+
+ if (virNodeDeviceEventStateRegisterID(conn, driver->nodeDeviceEventState,
+ dev, eventID, callback,
+ opaque, freecb, &callbackID) < 0)
+ callbackID = -1;
+ cleanup:
+ return callbackID;
+}
+
+int
+nodeConnectNodeDeviceEventDeregisterAny(virConnectPtr conn,
+ int callbackID)
+{
+ int ret = -1;
+
+ if (virConnectNodeDeviceEventDeregisterAnyEnsureACL(conn) < 0)
+ goto cleanup;
+
+ if (virObjectEventStateDeregisterID(conn,
+ driver->nodeDeviceEventState,
+ callbackID) < 0)
+ goto cleanup;
+
+ ret = 0;
+
+ cleanup:
+ return ret;
+}
+
int nodedevRegister(void)
{
#ifdef WITH_UDEV
diff --git a/src/node_device/node_device_driver.h b/src/node_device/node_device_driver.h
index 0f4ea57..56f89ab 100644
--- a/src/node_device/node_device_driver.h
+++ b/src/node_device/node_device_driver.h
@@ -63,4 +63,14 @@ virNodeDevicePtr nodeDeviceCreateXML(virConnectPtr conn,
const char *xmlDesc, unsigned int flags);
int nodeDeviceDestroy(virNodeDevicePtr dev);
+int
+nodeConnectNodeDeviceEventRegisterAny(virConnectPtr conn,
+ virNodeDevicePtr dev,
+ int eventID,
+ virConnectNodeDeviceEventGenericCallback callback,
+ void *opaque,
+ virFreeCallback freecb);
+int
+nodeConnectNodeDeviceEventDeregisterAny(virConnectPtr conn,
+ int callbackID);
#endif /* __VIR_NODE_DEVICE_H__ */
--
2.7.4