[RFC: vf-token 4/5] conf: vf-token parsing and formatting

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Introduce XML parsing and formatting of vf-token attribute

Signed-off-by: Vivek Kashyap <vivek.kashyap@xxxxxxxxxxxxxxx>
---
 src/conf/device_conf.c            | 31 +++++++++++++++++++++++++++++--
 src/conf/domain_conf.c            |  5 +++++
 src/conf/schemas/basictypes.rng   | 11 +++++++++++
 src/conf/schemas/domaincommon.rng |  1 +
 src/libvirt_private.syms          |  1 +
 src/util/virpci.c                 |  5 +++++
 6 files changed, 52 insertions(+), 2 deletions(-)

diff --git a/src/conf/device_conf.c b/src/conf/device_conf.c
index f3d977f2b7..d5ed4ef452 100644
--- a/src/conf/device_conf.c
+++ b/src/conf/device_conf.c
@@ -188,11 +188,20 @@ virDeviceInfoPCIAddressExtensionIsWanted(const virDomainDeviceInfo *info)
            virZPCIDeviceAddressIsIncomplete(&info->addr.pci.zpci);
 }
 
+bool
+virDeviceExtensionIsPresent(const virPCIDeviceAddress *pci)
+{
+    return ((pci->extFlags & VIR_PCI_ADDRESS_EXTENSION_ZPCI) &&
+            virZPCIDeviceAddressIsPresent(&pci->zpci)) ||
+                ((pci->extFlags & VIR_PCI_ADDRESS_EXTENSION_VFTOKEN) &&
+            pci->token.isSet);
+}
+
 bool
 virDeviceInfoPCIAddressExtensionIsPresent(const virDomainDeviceInfo *info)
 {
-    return (info->addr.pci.extFlags & VIR_PCI_ADDRESS_EXTENSION_ZPCI) &&
-           virZPCIDeviceAddressIsPresent(&info->addr.pci.zpci);
+    return (info->addr.pci.extFlags != VIR_PCI_ADDRESS_EXTENSION_NONE) &&
+            virDeviceExtensionIsPresent(&info->addr.pci);
 }
 
 int
@@ -200,6 +209,7 @@ virPCIDeviceAddressParseXML(xmlNodePtr node,
                             virPCIDeviceAddress *addr)
 {
     xmlNodePtr zpci;
+    xmlNodePtr token;
 
     memset(addr, 0, sizeof(*addr));
 
@@ -231,6 +241,10 @@ virPCIDeviceAddressParseXML(xmlNodePtr node,
             return -1;
     }
 
+    if ((token = virXMLNodeGetSubelement(node, "vf-token")))
+        if (virPCIDeviceTokenParseXML(token, addr) < 0)
+            return -1;
+
     return 0;
 }
 
@@ -248,6 +262,19 @@ virPCIDeviceAddressFormat(virBuffer *buf,
                       addr.function);
 }
 
+int
+virPCIDeviceTokenParseXML(xmlNodePtr node,
+                          virPCIDeviceAddress *addr)
+{
+    if (virXMLPropUUID(node, "uuid", VIR_XML_PROP_NONE,
+                       addr->token.uuid) < 0)
+        return -1;
+
+    addr->token.isSet = 1;
+
+    return 0;
+}
+
 int
 virCCWDeviceAddressParseXML(xmlNodePtr node,
                             virCCWDeviceAddress *addr)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 4435ee2ad4..cceb1d3b83 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -5389,6 +5389,11 @@ virDomainDeviceInfoFormat(virBuffer *buf,
                               info->addr.pci.zpci.uid.value,
                               info->addr.pci.zpci.fid.value);
         }
+        if (virPCIVFIOTokenIDIsPresent(&info->addr.pci.token)) {
+            virBufferAsprintf(&childBuf,
+                              "<vf-token uuid='%s'/>\n",
+                              info->addr.pci.token.uuid);
+        }
         break;
 
     case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE:
diff --git a/src/conf/schemas/basictypes.rng b/src/conf/schemas/basictypes.rng
index 26eb538077..bf2c30dd18 100644
--- a/src/conf/schemas/basictypes.rng
+++ b/src/conf/schemas/basictypes.rng
@@ -138,6 +138,17 @@
       </element>
     </optional>
   </define>
+  <define name="vf-tokenid">
+    <optional>
+      <element name="vf-token">
+        <optional>
+          <attribute name="uuid">
+            <ref name="UUID"/>
+          </attribute>
+        </optional>
+      </element>
+    </optional>
+  </define>
 
   <!-- a 6 byte MAC address in ASCII-hex format, eg "12:34:56:78:9A:BC" -->
   <!-- The lowest bit of the 1st byte is the "multicast" bit. a         -->
diff --git a/src/conf/schemas/domaincommon.rng b/src/conf/schemas/domaincommon.rng
index a26986b5ce..b228a3ca73 100644
--- a/src/conf/schemas/domaincommon.rng
+++ b/src/conf/schemas/domaincommon.rng
@@ -7034,6 +7034,7 @@
           </attribute>
           <ref name="pciaddress"/>
           <ref name="zpciaddress"/>
+          <ref name="vf-tokenid"/>
         </group>
         <group>
           <attribute name="type">
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 4e475d5b1a..0d4866cd56 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -3138,6 +3138,7 @@ virPCIHeaderTypeToString;
 virPCIIsVirtualFunction;
 virPCIStubDriverTypeFromString;
 virPCIStubDriverTypeToString;
+virPCIVFIOTokenIDIsPresent;
 virPCIVirtualFunctionListFree;
 virZPCIDeviceAddressIsIncomplete;
 virZPCIDeviceAddressIsPresent;
diff --git a/src/util/virpci.c b/src/util/virpci.c
index 08b82708b1..dfb0f29182 100644
--- a/src/util/virpci.c
+++ b/src/util/virpci.c
@@ -2312,6 +2312,11 @@ virZPCIDeviceAddressIsPresent(const virZPCIDeviceAddress *addr)
     return addr->uid.isSet || addr->fid.isSet;
 }
 
+bool
+virPCIVFIOTokenIDIsPresent(const virPCIDeviceToken *token)
+{
+    return token->isSet;
+}
 
 void
 virPCIVirtualFunctionListFree(virPCIVirtualFunctionList *list)
-- 
2.25.1




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