[PATCH v5 3/3] test: nodedev: fill active_config at driver startup time

[Cole Robinson <crobinso@xxxxxxxxxx>]

Commit v10.0.0-265-ge67bca23e4 added a `active_config` and
`defined_config` to nodedev mdev internal XML handling.
`defined_config` can be filled at XML parse time, but `active_config`
must be filled in by nodedev driver. This wasn't implemented for the
test driver however, which caused virt-manager test suite regressions.

Working example:

```
$ virsh --connect test:///home/crobinso/src/virt-manager/tests/data/testdriver/testdriver.xml nodedev-dumpxml mdev_8e37ee90_2b51_45e3_9b25_bf8283c03110
<device>
  <name>mdev_8e37ee90_2b51_45e3_9b25_bf8283c03110</name>
  <path>/sys/devices/css0/0.0.0023/8e37ee90-2b51-45e3-9b25-bf8283c03110</path>
  <parent>css_0_0_0023</parent>
  <capability type='mdev'>
    <type id='vfio_ccw-io'/>
    <iommuGroup number='0'/>
  </capability>
</device>
```

Broken example:

```
$ virsh --connect test:///home/crobinso/src/virt-manager/tests/data/testdriver/testdriver.xml nodedev-dumpxml mdev_8e37ee90_2b51_45e3_9b25_bf8283c03110
<device>
  <name>mdev_8e37ee90_2b51_45e3_9b25_bf8283c03110</name>
  <path>/sys/devices/css0/0.0.0023/8e37ee90-2b51-45e3-9b25-bf8283c03110</path>
  <parent>css_0_0_0023</parent>
  <capability type='mdev'>
    <iommuGroup number='0'/>
  </capability>
</device>
```

There's already code that does what we want in the test suite.
Move it to a shared function, and call it in test driver when
creating a nodedev from driver startup XML.

Signed-off-by: Cole Robinson <crobinso@xxxxxxxxxx>
---
 src/conf/node_device_conf.c | 24 ++++++++++++++++++++++++
 src/conf/node_device_conf.h |  3 +++
 src/libvirt_private.syms    |  1 +
 src/test/test_driver.c      |  1 +
 tests/nodedevxml2xmltest.c  | 18 +++---------------
 5 files changed, 32 insertions(+), 15 deletions(-)

diff --git a/src/conf/node_device_conf.c b/src/conf/node_device_conf.c
index 5cfbd6a7eb..fe6d9a36b2 100644
--- a/src/conf/node_device_conf.c
+++ b/src/conf/node_device_conf.c
@@ -2804,6 +2804,30 @@ virNodeDeviceCapsListExport(virNodeDeviceDef *def,
     return ncaps;
 }
 
+void
+virNodeDeviceSyncMdevActiveConfig(virNodeDeviceDef *def)
+{
+    size_t i;
+    virNodeDevCapsDef *caps;
+
+    for (caps = def->caps; caps; caps = caps->next) {
+        virNodeDevCapData *data = &caps->data;
+
+        if (caps->data.type != VIR_NODE_DEV_CAP_MDEV)
+            continue;
+
+        data->mdev.active_config.type = g_strdup(data->mdev.defined_config.type);
+        for (i = 0; i < data->mdev.defined_config.nattributes; i++) {
+            g_autoptr(virMediatedDeviceAttr) attr = g_new0(virMediatedDeviceAttr, 1);
+
+            attr->name = g_strdup(data->mdev.defined_config.attributes[i]->name);
+            attr->value = g_strdup(data->mdev.defined_config.attributes[i]->value);
+            VIR_APPEND_ELEMENT(data->mdev.active_config.attributes,
+                               data->mdev.active_config.nattributes,
+                               attr);
+        }
+    }
+}
 
 #ifdef __linux__
 
diff --git a/src/conf/node_device_conf.h b/src/conf/node_device_conf.h
index f0a5333881..4b82636af7 100644
--- a/src/conf/node_device_conf.h
+++ b/src/conf/node_device_conf.h
@@ -470,3 +470,6 @@ virNodeDeviceUpdateCaps(virNodeDeviceDef *def);
 int
 virNodeDeviceCapsListExport(virNodeDeviceDef *def,
                             virNodeDevCapType **list);
+
+void
+virNodeDeviceSyncMdevActiveConfig(virNodeDeviceDef *def);
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 839fe4f545..3186dd6d23 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -888,6 +888,7 @@ virNodeDeviceGetPCIDynamicCaps;
 virNodeDeviceGetSCSIHostCaps;
 virNodeDeviceGetSCSITargetCaps;
 virNodeDeviceGetWWNs;
+virNodeDeviceSyncMdevActiveConfig;
 virNodeDeviceUpdateCaps;
 
 
diff --git a/src/test/test_driver.c b/src/test/test_driver.c
index e7d2b6c866..d2d1bc43e3 100644
--- a/src/test/test_driver.c
+++ b/src/test/test_driver.c
@@ -1272,6 +1272,7 @@ testParseNodedevs(testDriver *privconn,
         virNodeDeviceObjSetPersistent(obj, true);
         virNodeDeviceObjSetActive(obj, true);
         virNodeDeviceObjSetSkipUpdateCaps(obj, true);
+        virNodeDeviceSyncMdevActiveConfig(def);
         virNodeDeviceObjEndAPI(&obj);
     }
 
diff --git a/tests/nodedevxml2xmltest.c b/tests/nodedevxml2xmltest.c
index e918922672..814a817725 100644
--- a/tests/nodedevxml2xmltest.c
+++ b/tests/nodedevxml2xmltest.c
@@ -24,7 +24,6 @@ testCompareXMLToXMLFiles(const char *xml, const char *outfile, unsigned int flag
     int ret = -1;
     virNodeDeviceDef *dev = NULL;
     virNodeDevCapsDef *caps;
-    size_t i;
 
     if (virTestLoadFile(xml, &xmlData) < 0)
         goto fail;
@@ -52,22 +51,11 @@ testCompareXMLToXMLFiles(const char *xml, const char *outfile, unsigned int flag
                                            data->storage.logical_block_size;
             }
         }
-
-        if (caps->data.type == VIR_NODE_DEV_CAP_MDEV &&
-            !(flags & VIR_NODE_DEVICE_XML_INACTIVE)) {
-            data->mdev.active_config.type = g_strdup(data->mdev.defined_config.type);
-            for (i = 0; i < data->mdev.defined_config.nattributes; i++) {
-                g_autoptr(virMediatedDeviceAttr) attr = g_new0(virMediatedDeviceAttr, 1);
-
-                attr->name = g_strdup(data->mdev.defined_config.attributes[i]->name);
-                attr->value = g_strdup(data->mdev.defined_config.attributes[i]->value);
-                VIR_APPEND_ELEMENT(data->mdev.active_config.attributes,
-                                   data->mdev.active_config.nattributes,
-                                   attr);
-            }
-        }
     }
 
+    if (!(flags & VIR_NODE_DEVICE_XML_INACTIVE))
+        virNodeDeviceSyncMdevActiveConfig(dev);
+
     if (!(actual = virNodeDeviceDefFormat(dev, flags)))
         goto fail;
 
-- 
2.44.0
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