libvirt/docs/api_extension/0003-Step-3-of-8-Implement-...

120 lines
3.1 KiB
Diff

From fc585594a207dfb9149e7d3d01c9eb1c79b6d52d Mon Sep 17 00:00:00 2001
From: David Allan <dallan@redhat.com>
Date: Tue, 19 May 2009 16:22:23 -0400
Subject: [PATCH] Step 3 of 8 Implement the public API
---
src/libvirt.c | 97 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 97 insertions(+), 0 deletions(-)
diff --git a/src/libvirt.c b/src/libvirt.c
index f3d4484..ded18a7 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -7509,6 +7509,103 @@ error:
}
+/**
+ * virNodeDeviceCreateXML:
+ * @conn: pointer to the hypervisor connection
+ * @xmlDesc: string containing an XML description of the device to be created
+ * @flags: callers should always pass 0
+ *
+ * Create a new device on the VM host machine, for example, virtual
+ * HBAs created using vport_create.
+ *
+ * Returns a node device object if successful, NULL in case of failure
+ */
+virNodeDevicePtr
+virNodeDeviceCreateXML(virConnectPtr conn,
+ const char *xmlDesc,
+ unsigned int flags)
+{
+ VIR_DEBUG("conn=%p, xmlDesc=%s, flags=%d", conn, xmlDesc, flags);
+
+ virResetLastError();
+
+ if (!VIR_IS_CONNECT(conn)) {
+ virLibConnError(NULL, VIR_ERR_INVALID_CONN, __FUNCTION__);
+ return NULL;
+ }
+
+ if (conn->flags & VIR_CONNECT_RO) {
+ virLibConnError(conn, VIR_ERR_OPERATION_DENIED, __FUNCTION__);
+ goto error;
+ }
+
+ if (xmlDesc == NULL) {
+ virLibConnError(conn, VIR_ERR_INVALID_ARG, __FUNCTION__);
+ goto error;
+ }
+
+ if (conn->deviceMonitor &&
+ conn->deviceMonitor->deviceCreateXML) {
+ virNodeDevicePtr dev = conn->deviceMonitor->deviceCreateXML(conn, xmlDesc, flags);
+ if (dev == NULL)
+ goto error;
+ return dev;
+ }
+
+ virLibConnError (conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
+
+error:
+ /* Copy to connection error object for back compatability */
+ virSetConnError(conn);
+ return NULL;
+}
+
+
+/**
+ * virNodeDeviceDestroy:
+ * @dev: a device object
+ *
+ * Destroy the device object. The virtual device is removed from the host operating system.
+ * This function may require privileged access
+ *
+ * Returns 0 in case of success and -1 in case of failure.
+ */
+int
+virNodeDeviceDestroy(virNodeDevicePtr dev)
+{
+ DEBUG("dev=%p", dev);
+
+ virResetLastError();
+
+ if (!VIR_IS_CONNECTED_NODE_DEVICE(dev)) {
+ virLibNodeDeviceError(NULL, VIR_ERR_INVALID_NODE_DEVICE, __FUNCTION__);
+ return (-1);
+ }
+
+ if (dev->conn->flags & VIR_CONNECT_RO) {
+ virLibConnError(dev->conn, VIR_ERR_OPERATION_DENIED, __FUNCTION__);
+ goto error;
+ }
+
+ if (dev->conn->deviceMonitor &&
+ dev->conn->deviceMonitor->deviceDestroy) {
+ int retval = dev->conn->deviceMonitor->deviceDestroy(dev);
+ if (retval < 0) {
+ goto error;
+ }
+
+ return 0;
+ }
+
+ virLibConnError (dev->conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
+
+error:
+ /* Copy to connection error object for back compatability */
+ virSetConnError(dev->conn);
+ return -1;
+}
+
+
/*
* Domain Event Notification
*/
--
1.6.0.6