[libvirt] [PATCH 3/4] libxl: advertise the support for VIR_TYPED_PARAM_STRING

[Dario Faggioli]

domainGetNumaParameters has a string typed parameter, hence it
is necessary for the libxl driver to support this.

This change implements the connectSupportsFeature hook for the
libxl driver, advertising that VIR_DRV_FEATURE_TYPED_PARAM_STRING
is something good to go.

Signed-off-by: Dario Faggioli <dario.faggioli at citrix.com>
Cc: Eric Blake <eblake at redhat.com>
---
 src/libxl/libxl_driver.c |   15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
index a3a9171..53af609 100644
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -4660,6 +4660,20 @@ libxlConnectListAllDomains(virConnectPtr conn,
     return ret;
 }
 
+/* Which features are supported by this driver? */
+static int
+libxlConnectSupportsFeature(virConnectPtr conn, int feature)
+{
+    if (virConnectSupportsFeatureEnsureACL(conn) < 0)
+        return -1;
+
+    switch (feature) {
+    case VIR_DRV_FEATURE_TYPED_PARAM_STRING:
+        return 1;
+    default:
+        return 0;
+    }
+}
 
 
 static virDriver libxlDriver = {
@@ -4740,6 +4754,7 @@ static virDriver libxlDriver = {
     .connectDomainEventRegisterAny = libxlConnectDomainEventRegisterAny, /* 0.9.0 */
     .connectDomainEventDeregisterAny = libxlConnectDomainEventDeregisterAny, /* 0.9.0 */
     .connectIsAlive = libxlConnectIsAlive, /* 0.9.8 */
+    .connectSupportsFeature = libxlConnectSupportsFeature, /* 1.1.1 */
 };
 
 static virStateDriver libxlStateDriver = {