[PATCH 3/3] Add USB serials to node device driver

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Also extend the XML schema and add a test for XML parsing.
---
 docs/schemas/nodedev.rng                |  9 +++++++++
 src/conf/node_device_conf.c             |  4 ++++
 src/conf/node_device_conf.h             |  1 +
 src/node_device/node_device_hal.c       |  1 +
 src/node_device/node_device_udev.c      |  6 ++++++
 tests/nodedevschemadata/usb_1_1_5_3.xml | 11 +++++++++++
 tests/nodedevxml2xmltest.c              |  1 +
 7 files changed, 33 insertions(+)
 create mode 100644 tests/nodedevschemadata/usb_1_1_5_3.xml

diff --git a/docs/schemas/nodedev.rng b/docs/schemas/nodedev.rng
index 81ab4d4..6e3da6c 100644
--- a/docs/schemas/nodedev.rng
+++ b/docs/schemas/nodedev.rng
@@ -193,6 +193,15 @@
         <empty/>
       </choice>
     </element>
+
+    <optional>
+      <element name='serial'>
+        <choice>
+          <text/>
+          <empty/>
+        </choice>
+      </element>
+    </optional>
   </define>
 
   <define name='capusbinterface'>
diff --git a/src/conf/node_device_conf.c b/src/conf/node_device_conf.c
index e65b5e4..7926e60 100644
--- a/src/conf/node_device_conf.c
+++ b/src/conf/node_device_conf.c
@@ -365,6 +365,8 @@ char *virNodeDeviceDefFormat(const virNodeDeviceDef *def)
                                       data->usb_dev.vendor_name);
             else
                 virBufferAddLit(&buf, " />\n");
+            virBufferEscapeString(&buf, "<serial>%s</serial>\n",
+                                  data->usb_dev.serial);
             break;
         case VIR_NODE_DEV_CAP_USB_INTERFACE:
             virBufferAsprintf(&buf, "<number>%d</number>\n",
@@ -980,6 +982,7 @@ virNodeDevCapUSBDevParseXML(xmlXPathContextPtr ctxt,
 
     data->usb_dev.vendor_name  = virXPathString("string(./vendor[1])", ctxt);
     data->usb_dev.product_name = virXPathString("string(./product[1])", ctxt);
+    data->usb_dev.serial = virXPathString("string(./serial[1])", ctxt);
 
     ret = 0;
  out:
@@ -1476,6 +1479,7 @@ void virNodeDevCapsDefFree(virNodeDevCapsDefPtr caps)
     case VIR_NODE_DEV_CAP_USB_DEV:
         VIR_FREE(data->usb_dev.product_name);
         VIR_FREE(data->usb_dev.vendor_name);
+        VIR_FREE(data->usb_dev.serial);
         break;
     case VIR_NODE_DEV_CAP_USB_INTERFACE:
         VIR_FREE(data->usb_if.description);
diff --git a/src/conf/node_device_conf.h b/src/conf/node_device_conf.h
index 50e6805..51467c1 100644
--- a/src/conf/node_device_conf.h
+++ b/src/conf/node_device_conf.h
@@ -123,6 +123,7 @@ struct _virNodeDevCapsDef {
             unsigned int vendor;
             char *product_name;
             char *vendor_name;
+            char *serial;
         } usb_dev;
         struct {
             unsigned int number;
diff --git a/src/node_device/node_device_hal.c b/src/node_device/node_device_hal.c
index 8656b5d..2f85d45 100644
--- a/src/node_device/node_device_hal.c
+++ b/src/node_device/node_device_hal.c
@@ -221,6 +221,7 @@ gather_usb_device_cap(LibHalContext *ctx, const char *udi,
     if (get_str_prop(ctx, udi, "usb_device.product",
                      &d->usb_dev.product_name) != 0)
         (void)get_str_prop(ctx, udi, "info.product", &d->usb_dev.product_name);
+    (void)get_str_prop(ctx, udi, "usb_device.serial", &d->usb_dev.serial);
     return 0;
 }
 
diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c
index 9a951d9..b3af192 100644
--- a/src/node_device/node_device_udev.c
+++ b/src/node_device/node_device_udev.c
@@ -575,6 +575,12 @@ static int udevProcessUSBDevice(struct udev_device *device,
         goto out;
     }
 
+    if (udevGetStringSysfsAttr(device,
+                              "serial",
+                              &data->usb_dev.serial) == PROPERTY_ERROR) {
+        goto out;
+    }
+
     if (udevGenerateDeviceName(device, def, NULL) != 0) {
         goto out;
     }
diff --git a/tests/nodedevschemadata/usb_1_1_5_3.xml b/tests/nodedevschemadata/usb_1_1_5_3.xml
new file mode 100644
index 0000000..9a8ee33
--- /dev/null
+++ b/tests/nodedevschemadata/usb_1_1_5_3.xml
@@ -0,0 +1,11 @@
+<device>
+  <name>usb_1_1_5_3</name>
+  <parent>usb_1_1_5</parent>
+  <capability type='usb_device'>
+    <bus>1</bus>
+    <device>36</device>
+    <product id='0xc069'>USB Laser Mouse</product>
+    <vendor id='0x046d'>Logitech</vendor>
+    <serial>ABCDEFGH123456789</serial>
+  </capability>
+</device>
diff --git a/tests/nodedevxml2xmltest.c b/tests/nodedevxml2xmltest.c
index 9390bf5..770af72 100644
--- a/tests/nodedevxml2xmltest.c
+++ b/tests/nodedevxml2xmltest.c
@@ -88,6 +88,7 @@ mymain(void)
     DO_TEST("storage_serial_SATA_HTS721010G9SA00_MPCZ12Y0GNGWSE");
     DO_TEST("usb_device_1d6b_1_0000_00_1d_0_if0");
     DO_TEST("usb_device_1d6b_1_0000_00_1d_0");
+    DO_TEST("usb_1_1_5_3");
 
     return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
 }
-- 
1.8.3.2

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