Re: [libvirt] [PATCHv5 2/9] smartcard: add domain conf support

* src/conf/domain_conf.h (virDomainSmartcardType): New enum. (virDomainSmartcardDef, virDomainDeviceCcidAddress): New structs. (virDomainDef): Include smartcards. (virDomainSmartcardDefIterator): New typedef. (virDomainSmartcardDefFree, virDomainSmartcardDefForeach): New prototypes. (virDomainControllerType, virDomainDeviceAddressType): Add ccid enum values. (virDomainDeviceInfo): Add ccid address type. * src/conf/domain_conf.c (virDomainSmartcard): Convert between enum and string. (virDomainSmartcardDefParseXML, virDomainSmartcardDefFormat) (virDomainSmartcardDefFree, virDomainDeviceCcidAddressParseXML) (virDomainDefMaybeAddSmartcardController): New functions. (virDomainDefParseXML): Parse the new XML. (virDomainDefFormat): Convert back to XML. (virDomainDefFree): Clean up. (virDomainDeviceInfoIterate): Iterate over passthrough aliases. (virDomainController, virDomainDeviceAddress) (virDomainDeviceInfoParseXML, virDomainDeviceInfoFormat) (virDomainDefAddImplicitControllers): Support new values. * src/libvirt_private.syms (domain_conf.h): New exports. * cfg.mk (useless_free_options): List new function. --- Notes: v2: first version of patch (v1 was xml proposal only) v3: add controller type='ccid' support, extra smartcard element support v4: remove host/dev, relax host-certificates/cert to be any string, define default host-certificates/database value v5: no change