[libvirt] [Patch]LXC: Add support for attach/detach/update controller in config for LXC

[Chen Hanxiao]

From: Chen Hanxiao <chenhanxiao at cn.fujitsu.com>

Add support for attach/detach/update controller
in config for LXC.

Signed-off-by: Chen Hanxiao <chenhanxiao at cn.fujitsu.com>
---
 src/lxc/lxc_driver.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index 4cf0b50..9c58f67 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -2750,6 +2750,7 @@ lxcDomainAttachDeviceConfig(virDomainDefPtr vmdef,
     virDomainDiskDefPtr disk;
     virDomainNetDefPtr net;
     virDomainHostdevDefPtr hostdev;
+    virDomainControllerDefPtr controller;
 
     switch (dev->type) {
     case VIR_DOMAIN_DEVICE_DISK:
@@ -2787,6 +2788,21 @@ lxcDomainAttachDeviceConfig(virDomainDefPtr vmdef,
         ret = 0;
         break;
 
+    case VIR_DOMAIN_DEVICE_CONTROLLER:
+        controller = dev->data.controller;
+        if (virDomainControllerFind(vmdef, controller->type,
+                                    controller->idx) >= 0) {
+            virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+                           _("Target already exists"));
+            return -1;
+        }
+
+        if (virDomainControllerInsert(vmdef, controller) < 0)
+            return -1;
+        dev->data.controller = NULL;
+        ret = 0;
+        break;
+
     default:
          virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                         _("persistent attach of device is not supported"));
@@ -2849,6 +2865,7 @@ lxcDomainDetachDeviceConfig(virDomainDefPtr vmdef,
     virDomainDiskDefPtr disk, det_disk;
     virDomainNetDefPtr net;
     virDomainHostdevDefPtr hostdev, det_hostdev;
+    virDomainControllerDefPtr controller, det_cont;
     int idx;
     char mac[VIR_MAC_STRING_BUFLEN];
 
@@ -2895,6 +2912,19 @@ lxcDomainDetachDeviceConfig(virDomainDefPtr vmdef,
         break;
     }
 
+    case VIR_DOMAIN_DEVICE_CONTROLLER:
+        controller = dev->data.controller;
+        if ((idx = virDomainControllerFind(vmdef, controller->type,
+                                           controller->idx)) < 0) {
+            virReportError(VIR_ERR_INVALID_ARG, "%s",
+                           _("device not present in domain configuration"));
+            return -1;
+        }
+        det_cont = virDomainControllerRemove(vmdef, idx);
+        virDomainControllerDefFree(det_cont);
+        ret = 0;
+        break;
+
     default:
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                        _("persistent detach of device is not supported"));
-- 
1.8.2.1