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Iglesias" , Jason Wang , Marcelo Tosatti , kvm@vger.kernel.org, Alberto Garcia , Kevin Wolf , Hanna Reitz , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Zhao Liu , Jonathan Cameron , Junjie Cao , Anisa Su , Elena Ufimtseva , Jagannathan Raman , John Levon , Thanos Makatos , =?utf-8?Q?C=C3=A9dric?= Le Goater , Cornelia Huck , Eric Farman , Matthew Rosato , Richard Henderson , Ilya Leoshkevich , qemu-block@nongnu.org, linux-cxl@vger.kernel.org, qemu-s390x@nongnu.org, "Michael S. Tsirkin" , Sergio Lopez , qemu-arm@nongnu.org, Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Chao Liu , qemu-riscv@nongnu.org, Song Gao <17746591750@163.com>, Bibo Mao , Xianglai Li , Jiaxun Yang , Pedro Barbuda , Mohamed Mediouni , Nicholas Piggin , Harsh Prateek Bora , Amit Machhiwal , qemu-ppc@nongnu.org, Zhang Chen , Li Zhijian , Alistair Francis , Alexander Graf , "Gonglei (Arei)" , zhenwei pi , Ani Sinha , Luc Michel , =?utf-8?Q?C=C3=A9dric?= Le Goater , Jamin Lin , Kane Chen , Samuel Tardieu , "Denis V. Lunev" , FangSheng Huang , Tyrone Ting , Hao Wu , Keith Busch , Klaus Jensen , Jesper Devantier , Aditya Gupta , Glenn Miles , Conor Dooley , Sebastian Huber , Halil Pasic , Christian Borntraeger , Jason Herne , Titus Rwantare , Stefano Stabellini , Anthony PERARD , Peter Xu , Chinmay Rath , Hendrik Brueckner , xen-devel@lists.xenproject.org, Roman Bolshakov , Phil Dennis-Jordan , Fam Zheng , Farhan Ali , Alex Williamson , Tao Tang , Stefan Berger , Fabiano Rosas , Mark Cave-Ayland , Artyom Tarasenko , Yoshinori Sato , Jiri Pirko , Eric Auger , Laurent Vivier Subject: Re: Property types changed in this series In-Reply-To: <87tsmfkoej.fsf@pond.sub.org> (Markus Armbruster's message of "Wed, 21 Oct 2026 18:29:40 +0200") References: <20261020-qom-qapi-v7-0-431a86b02b58@redhat.com> <87tsmfkoej.fsf@pond.sub.org> Date: Thu, 22 Oct 2026 08:49:12 +0200 Message-ID: <878q3qkz6f.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) X-Mailing-List: kvm@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Libvirt developers: does libvirt use member @type of the reply of qom-list, qom-list-properties, qom-list-get? I'm asking because Marc-Andr=C3=A9's work changes many values to add a more useful replacement. I think we should deprecate @type. I'd like to find out whether we need to preserve the values for the deprecation grace period. Markus Armbruster writes: > I used qom-list-types and qom-list-properties to list all properties and > their types, then looked for changes. This can miss changes in > dynamically created properties; see the note on qom-list-properties in > qapi/qom.json. Moreover, I ran into a few QOM types where > qom-list-properties is broken. These are ast2700-a1, ast2700-a2, and several riscv CPUs. A fix for the latter has been queued. > 1. Close misses of QAPI type names change to actual QAPI type names > > old property type new property type > --------------------------------------------- > string str > uint64_t uint64 > uint64_t size > int32_t int32 > int size > uint32_t uint32 > [uint16] uint16List > NotifyVMexitOption NotifyVmexitOption > CXLFixedMemoryWindow CXLFixedMemoryWindowOptionsList > > 2. Incorrect QAPI type names change to correct ones > > old property type new property type > --------------------------------------------- > SgxEPC SgxEPCList > QAuthZListRule QAuthZListRuleList > X86CPUFeatureWordInfo X86CPUFeatureWordInfoList > bool Pca9552LedState > > 3. Less than useful QAPI type names change to more useful ones > > old property type new property type > --------------------------------------------- > str Pca9552PinState > str Pca9554PinState > > 4. Lazy crap >=20=20 > old property type new property type > --------------------------------------------- > list linkList > list strList > list uint16List > list uint32List > list uint64List > list uint8List > struct any > > I'm not sure the first one is what it should be. > > I need to have a closer look at the last one. > > 5. Inventive crap >=20=20=20 > old property type new property type > --------------------------------------------- > busnr uint8 > guest statistics VirtioBalloonGuestStats > loadparm str > on|off|split OnOffSplit > struct tm StructTm > > 6. An odd duck > > old property type new property type > --------------------------------------------- > str int32 > > This is pci-device property addr. See PATCH 54. > > On the way, I noted properties with anti-social names: > > QOM type name property name > --------------------------------- > acpi-ged memhp container[0] > e500-spin e500 spin pv device[0]