extract serial number from HAL storage backend

* src/node_device_hal.c src/node_device_conf.[ch]: add support
  for serial number in HAL storage backend, patch by Dave Allan
* docs/schemas/nodedev.rng
tests/nodedevschemadata/storage_serial_3600c0ff000d7a2a5d463ff4902000000.xml:
  update the schemas and add a test case, also by Dave Allan
Daniel

ChangeLog

+Thu Jun 11 16:22:22 CEST 2009 Daniel Veillard <veillard@redhat.com>
+
+	* src/node_device_hal.c src/node_device_conf.[ch]: add support
+	  for serial number in HAL storage backend, patch by Dave Allan
+	* docs/schemas/nodedev.rng
+tests/nodedevschemadata/storage_serial_3600c0ff000d7a2a5d463ff4902000000.xml:
+          update the schemas and add a test case, also by Dave Allan
+
 Thu Jun 11 15:18:44 GMT 2009 Mark McLoughlin <markmc@redhat.com>
 
 	* src/qemu_conf.[ch]: make qemuParseHelpStr() available
@@ -13,7 +21,7 @@ Thu Jun 11 15:17:12 GMT 2009 Mark McLoughlin <markmc@redhat.com>
 Thu Jun 11 15:15:02 GMT 2009 Mark McLoughlin <markmc@redhat.com>
 
 	* src/qemu_conf.c: re-factor qemu version parsing.
-	
+
 Thu Jun 11 15:14:37 CEST 2009 Daniel Veillard <veillard@redhat.com>
 
 	* configure.in src/libvirt_private.syms src/storage_backend_fs.c

docs/schemas/nodedev.rng

@@ -283,6 +283,11 @@
 	<text/>
       </element>
     </optional>
+    <optional>
+      <element name='serial'>
+	<text/>
+      </element>
+    </optional>
 
     <choice>
       <ref name='capstorageremoveable'/>

src/node_device_conf.c

@@ -365,6 +365,9 @@ char *virNodeDeviceDefFormat(virConnectPtr conn,
             if (data->storage.vendor)
                 virBufferVSprintf(&buf, "    <vendor>%s</vendor>\n",
                                   data->storage.vendor);
+            if (data->storage.serial)
+                virBufferVSprintf(&buf, "    <serial>%s</serial>\n",
+                                  data->storage.serial);
             if (data->storage.flags & VIR_NODE_DEV_CAP_STORAGE_REMOVABLE) {
                 int avl = data->storage.flags &
                     VIR_NODE_DEV_CAP_STORAGE_REMOVABLE_MEDIA_AVAILABLE;
@@ -479,6 +482,7 @@ virNodeDevCapStorageParseXML(virConnectPtr conn,
     data->storage.drive_type = virXPathString(conn, "string(./drive_type[1])", ctxt);
     data->storage.model      = virXPathString(conn, "string(./model[1])", ctxt);
     data->storage.vendor     = virXPathString(conn, "string(./vendor[1])", ctxt);
+    data->storage.serial     = virXPathString(conn, "string(./serial[1])", ctxt);
 
     if ((n = virXPathNodeSet(conn, "./capability", ctxt, &nodes)) < 0) {
         virNodeDeviceReportError(conn, VIR_ERR_INTERNAL_ERROR,
@@ -1202,6 +1206,7 @@ void virNodeDevCapsDefFree(virNodeDevCapsDefPtr caps)
         VIR_FREE(data->storage.drive_type);
         VIR_FREE(data->storage.model);
         VIR_FREE(data->storage.vendor);
+        VIR_FREE(data->storage.serial);
         break;
     case VIR_NODE_DEV_CAP_LAST:
         /* This case is here to shutup the compiler */

src/node_device_conf.h

@@ -143,6 +143,7 @@ struct _virNodeDevCapsDef {
             char *drive_type;
             char *model;
             char *vendor;
+            char *serial;
             unsigned flags;	/* virNodeDevStorageCapFlags bits */
         } storage;
     } data;

src/node_device_hal.c

@@ -255,6 +255,7 @@ static int gather_storage_cap(LibHalContext *ctx, const char *udi,
     (void)get_str_prop(ctx, udi, "storage.drive_type", &d->storage.drive_type);
     (void)get_str_prop(ctx, udi, "storage.model", &d->storage.model);
     (void)get_str_prop(ctx, udi, "storage.vendor", &d->storage.vendor);
+    (void)get_str_prop(ctx, udi, "storage.serial", &d->storage.serial);
     if (get_bool_prop(ctx, udi, "storage.removable", &val) == 0 && val) {
         d->storage.flags |= VIR_NODE_DEV_CAP_STORAGE_REMOVABLE;
         if (get_bool_prop(ctx, udi, "storage.removable.media_available",

tests/nodedevschemadata/storage_serial_3600c0ff000d7a2a5d463ff4902000000.xml

+<device>
+  <name>storage_serial_3600c0ff000d7a2a5d463ff4902000000</name>
+  <parent>pci_10df_fe00_scsi_host_scsi_device_lun8</parent>
+  <capability type='storage'>
+    <block>/dev/sdj</block>
+    <bus>pci</bus>
+    <drive_type>disk</drive_type>
+    <model>MSA2012fc</model>
+    <vendor>HP</vendor>
+    <serial>3600c0ff000d7a2a5d463ff4902000000</serial>
+    <size>15626928128</size>
+  </capability>
+</device>
+
+