[libvirt] [PATCH v1 5/7] domain: Add virDomainDefAssignAliasesCallback

[Michal Privoznik]

This will be called at the end of virDomainDefPostParse to
allow hypervisor drivers to fill in device aliases.

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
 src/conf/domain_conf.c |  7 +++++++
 src/conf/domain_conf.h | 13 +++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index e3e9fc748..653357531 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -5011,6 +5011,13 @@ virDomainDefPostParseInternal(virDomainDefPtr def,
             goto cleanup;
     }
 
+    if (xmlopt->config.assignAliasesCallback) {
+        ret = xmlopt->config.assignAliasesCallback(def, caps, parseFlags,
+                                                   xmlopt->config.priv,
+                                                   data.parseOpaque);
+        if (virDomainDefPostParseCheckFailure(def, parseFlags, ret) < 0)
+            goto cleanup;
+    }
     if ((ret = virDomainDefPostParseCheckFeatures(def, xmlopt)) < 0)
         goto cleanup;
 
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index e11ae5247..764360ccb 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -2559,6 +2559,18 @@ typedef int (*virDomainDefAssignAddressesCallback)(virDomainDef *def,
                                                    void *opaque,
                                                    void *parseOpaque);
 
+/* Driver callback for assigning device aliases, called at the
+ * end of parsing, after all defaults and implicit devices have
+ * been added and all addresses were assigned. @parseOpaque is
+ * opaque data passed by virDomainDefParse *caller, @opaque is
+ * opaque data set by driver (usually pointer to driver private
+ * data). */
+typedef int (*virDomainDefAssignAliasesCallback)(virDomainDefPtr def,
+                                                 virCapsPtr caps,
+                                                 unsigned int parseFlags,
+                                                 void *opaque,
+                                                 void *parseOpaque);
+
 typedef int (*virDomainDefPostParseDataAlloc)(const virDomainDef *def,
                                               virCapsPtr caps,
                                               unsigned int parseFlags,
@@ -2588,6 +2600,7 @@ struct _virDomainDefParserConfig {
     virDomainDefPostParseCallback domainPostParseCallback;
     virDomainDeviceDefPostParseCallback devicesPostParseCallback;
     virDomainDefAssignAddressesCallback assignAddressesCallback;
+    virDomainDefAssignAliasesCallback assignAliasesCallback;
     virDomainDefPostParseDataFree domainPostParseDataFree;
 
     /* validation callbacks */
-- 
2.13.5