virDomainHostdevCaps: Convert 'type' field to proper enum type

Convert the field, adjust the XML parsers to use virXMLPropEnum()
and fill in missing cases to switch() statements.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

src/conf/domain_audit.c

@@ -428,6 +428,8 @@ virDomainAuditHostdev(virDomainObj *vm, virDomainHostdevDef *hostdev,
                       virt, reason, vmname, uuidstr, device);
             break;
 
+        case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_NET:
+        case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_LAST:
         default:
             VIR_WARN("Unexpected hostdev type while encoding audit message: %d",
                      hostdev->source.caps.type);

src/conf/domain_conf.c

@@ -2616,7 +2616,7 @@ virDomainHostdevDefClear(virDomainHostdevDef *def)
 
     switch (def->mode) {
     case VIR_DOMAIN_HOSTDEV_MODE_CAPABILITIES:
-        switch ((virDomainHostdevCapsType) def->source.caps.type) {
+        switch (def->source.caps.type) {
         case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_STORAGE:
             VIR_FREE(def->source.caps.u.storage.block);
             break;
@@ -6502,7 +6502,7 @@ virDomainNetDefCoalesceFormatXML(virBuffer *buf,
 static int
 virDomainHostdevDefParseXMLCaps(xmlNodePtr node G_GNUC_UNUSED,
                                 xmlXPathContextPtr ctxt,
-                                const char *type,
+                                virDomainHostdevCapsType type,
                                 virDomainHostdevDef *def)
 {
     /* @type is passed in from the caller rather than read from the
@@ -6513,18 +6513,7 @@ virDomainHostdevDefParseXMLCaps(xmlNodePtr node G_GNUC_UNUSED,
      * <hostdev>.  (the functions we're going to call expect address
      * type to already be known).
      */
-    if (!type) {
+    def->source.caps.type = type;
-        virReportError(VIR_ERR_XML_ERROR,
-                       "%s", _("missing source address type"));
-        return -1;
-    }
-
-    if ((def->source.caps.type = virDomainHostdevCapsTypeFromString(type)) < 0) {
-        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                       _("unknown host device source address type '%1$s'"),
-                       type);
-        return -1;
-    }
 
     if (!virXPathNode("./source", ctxt)) {
         virReportError(VIR_ERR_XML_ERROR, "%s",
@@ -6560,6 +6549,7 @@ virDomainHostdevDefParseXMLCaps(xmlNodePtr node G_GNUC_UNUSED,
                                        ctxt, &def->source.caps.u.net.ip) < 0)
             return -1;
         break;
+    case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_LAST:
     default:
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                        _("address type='%1$s' not supported in hostdev interfaces"),
@@ -12920,6 +12910,7 @@ virDomainHostdevDefParseXML(virDomainXMLOption *xmlopt,
     virDomainHostdevDef *def;
     VIR_XPATH_NODE_AUTORESTORE(ctxt)
     g_autofree char *type = virXMLPropString(node, "type");
+    unsigned int typeU;
 
     ctxt->node = node;
 
@@ -12940,7 +12931,12 @@ virDomainHostdevDefParseXML(virDomainXMLOption *xmlopt,
         break;
     case VIR_DOMAIN_HOSTDEV_MODE_CAPABILITIES:
         /* parse managed/mode/type, and the <source> element */
-        if (virDomainHostdevDefParseXMLCaps(node, ctxt, type, def) < 0)
+        if (virXMLPropEnum(node, "type",
+                           virDomainHostdevCapsTypeFromString,
+                           VIR_XML_PROP_REQUIRED, &typeU) < 0)
+            goto error;
+
+        if (virDomainHostdevDefParseXMLCaps(node, ctxt, typeU, def) < 0)
             goto error;
         break;
     default:
@@ -14163,6 +14159,8 @@ virDomainHostdevMatchCaps(virDomainHostdevDef *a,
         return virDomainHostdevMatchCapsMisc(a, b);
     case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_NET:
         return virDomainHostdevMatchCapsNet(a, b);
+    case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_LAST:
+        break;
     }
     return 0;
 }
@@ -23486,6 +23484,7 @@ virDomainHostdevDefFormatCaps(virBuffer *buf,
         virBufferEscapeString(buf, "<interface>%s</interface>\n",
                               def->source.caps.u.net.ifname);
         break;
+    case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_LAST:
     default:
         virReportError(VIR_ERR_INTERNAL_ERROR,
                        _("unexpected hostdev type %1$d"),

src/conf/domain_conf.h

@@ -336,7 +336,7 @@ typedef enum {
 } virDomainHostdevCapsType;
 
 struct _virDomainHostdevCaps {
-    int type; /* enum virDOmainHostdevCapsType */
+    virDomainHostdevCapsType type;
     union {
         struct {
             char *block;

src/lxc/lxc_cgroup.c

@@ -309,6 +309,8 @@ static int virLXCCgroupSetupDeviceACL(virDomainDef *def,
                                              VIR_CGROUP_DEVICE_MKNOD, false) < 0)
                     return -1;
                 break;
+            case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_NET:
+            case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_LAST:
             default:
                 break;
             }

src/lxc/lxc_controller.c

@@ -1804,6 +1804,7 @@ virLXCControllerSetupHostdevCaps(virDomainDef *vmDef,
     case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_NET:
         return 0; /* case is handled in virLXCControllerMoveInterfaces */
 
+    case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_LAST:
     default:
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                        _("Unsupported host device mode %1$s"),

src/lxc/lxc_driver.c

@@ -3869,6 +3869,8 @@ lxcDomainAttachDeviceHostdevCapsLive(virLXCDriver *driver,
     case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_MISC:
         return lxcDomainAttachDeviceHostdevMiscLive(driver, vm, dev);
 
+    case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_NET:
+    case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_LAST:
     default:
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                        _("Unsupported host device type %1$s"),
@@ -4299,6 +4301,8 @@ lxcDomainDetachDeviceHostdevCapsLive(virDomainObj *vm,
     case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_MISC:
         return lxcDomainDetachDeviceHostdevMiscLive(vm, dev);
 
+    case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_NET:
+    case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_LAST:
     default:
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                        _("Unsupported host device type %1$s"),

src/lxc/lxc_hostdev.c

@@ -90,6 +90,7 @@ int virLXCPrepareHostDevices(virLXCDriver *driver,
             case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_MISC:
             case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_NET:
                 break;
+            case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_LAST:
             default:
                 virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                                _("Unsupported hostdev type %1$s"),

src/security/security_selinux.c

@@ -2315,6 +2315,8 @@ virSecuritySELinuxSetHostdevCapsLabel(virSecurityManager *mgr,
         break;
     }
 
+    case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_NET:
+    case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_LAST:
     default:
         ret = 0;
         break;
@@ -2538,6 +2540,8 @@ virSecuritySELinuxRestoreHostdevCapsLabel(virSecurityManager *mgr,
         break;
     }
 
+    case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_NET:
+    case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_LAST:
     default:
         ret = 0;
         break;