On 6/9/21 7:27 PM, Philippe Mathieu-Daudé wrote: > On 6/9/21 6:01 PM, Marc-André Lureau wrote: >> Hi >> >> On Wed, Jun 9, 2021 at 7:33 PM Philippe Mathieu-Daudé <phi...@redhat.com >> <mailto:phi...@redhat.com>> wrote: >> >> When the management layer queries a binary built using --disable-tpm >> for TPM devices, it gets confused by getting empty responses: >> >> { "execute": "query-tpm" } >> { >> "return": [ >> ] >> } >> { "execute": "query-tpm-types" } >> { >> "return": [ >> ] >> } >> { "execute": "query-tpm-models" } >> { >> "return": [ >> ] >> } >> >> Make it clearer by returning an error, mentioning the feature is >> disabled: >> >> { "execute": "query-tpm" } >> { >> "error": { >> "class": "GenericError", >> "desc": "this feature or command is not currently supported" >> } >> } >> >> Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com >> <mailto:phi...@redhat.com>> >> >> >> Why not make the qapi schema conditional?
Using your suggestion (and ignoring QAPI marshaling error) I'm getting: { "execute": "query-tpm" } { "error": { "class": "CommandNotFound", "desc": "The command query-tpm has not been found" } } Is that OK from a management perspective?