From: Eric Blake <eblake@redhat.com>
To: Kevin Wolf <kwolf@redhat.com>
Cc: pkrempa@redhat.com, ehabkost@redhat.com, qemu-block@nongnu.org,
libvir-list@redhat.com, armbru@redhat.com, qemu-devel@nongnu.org,
its@irrelevant.dk, pbonzini@redhat.com
Subject: Re: [PATCH 09/11] qdev: Avoid QemuOpts in QMP device_add
Date: Fri, 24 Sep 2021 13:56:43 -0500 [thread overview]
Message-ID: <20210924185643.zatpxo5pvusjz7as@redhat.com> (raw)
In-Reply-To: <20210924090427.9218-10-kwolf@redhat.com>
On Fri, Sep 24, 2021 at 11:04:25AM +0200, Kevin Wolf wrote:
> Directly call qdev_device_add_from_qdict() for QMP device_add instead of
> first going through QemuOpts and converting back to QDict.
>
> Note that this changes the behaviour of device_add, though in ways that
> should be considered bug fixes:
>
> QemuOpts ignores differences between data types, so you could
> successfully pass a string "123" for an integer property, or a string
> "on" for a boolean property (and vice versa). After this change, the
> correct data type for the property must be used in the JSON input.
>
> qemu_opts_from_qdict() also silently ignores any options whose value is
> a QDict, QList or QNull.
>
> To illustrate, the following QMP command was accepted before and is now
> rejected for both reasons:
>
> { "execute": "device_add",
> "arguments": { "driver": "scsi-cd",
> "drive": { "completely": "invalid" },
> "physical_block_size": "4096" } }
>
> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
> ---
> softmmu/qdev-monitor.c | 18 +++++++++++-------
> 1 file changed, 11 insertions(+), 7 deletions(-)
>
Reviewed-by: Eric Blake <eblake@redhat.com>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
next prev parent reply other threads:[~2021-09-24 19:03 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-24 9:04 [PATCH 00/11] qdev: Add JSON -device and fix QMP device_add Kevin Wolf
2021-09-24 9:04 ` [PATCH 01/11] qom: Reduce use of error_propagate() Kevin Wolf
2021-09-24 13:23 ` Vladimir Sementsov-Ogievskiy
2021-09-24 14:04 ` Markus Armbruster
2021-09-24 18:14 ` Eric Blake
2021-09-24 9:04 ` [PATCH 02/11] iotests/245: Fix type for iothread property Kevin Wolf
2021-09-24 13:33 ` Vladimir Sementsov-Ogievskiy
2021-09-24 9:04 ` [PATCH 03/11] iotests/051: Fix typo Kevin Wolf
2021-09-24 13:35 ` Vladimir Sementsov-Ogievskiy
2021-09-24 9:04 ` [PATCH 04/11] qdev: Avoid using string visitor for properties Kevin Wolf
2021-09-24 18:40 ` Eric Blake
2021-09-24 9:04 ` [PATCH 05/11] qdev: Make DeviceState.id independent of QemuOpts Kevin Wolf
2021-09-24 14:02 ` Vladimir Sementsov-Ogievskiy
2021-09-24 15:10 ` Kevin Wolf
2021-09-24 15:14 ` Vladimir Sementsov-Ogievskiy
2021-09-24 9:04 ` [PATCH 06/11] qdev: Add Error parameter to qdev_set_id() Kevin Wolf
2021-09-24 14:09 ` Vladimir Sementsov-Ogievskiy
2021-09-27 10:33 ` Damien Hedde
2021-10-05 11:09 ` Kevin Wolf
2021-09-24 9:04 ` [PATCH 07/11] qemu-option: Allow deleting opts during qemu_opts_foreach() Kevin Wolf
2021-09-24 14:14 ` Vladimir Sementsov-Ogievskiy
2021-09-24 9:04 ` [PATCH 08/11] qdev: Base object creation on QDict rather than QemuOpts Kevin Wolf
2021-09-24 18:53 ` Eric Blake
2021-09-24 9:04 ` [PATCH 09/11] qdev: Avoid QemuOpts in QMP device_add Kevin Wolf
2021-09-24 18:56 ` Eric Blake [this message]
2021-09-27 11:06 ` Damien Hedde
2021-09-27 11:39 ` Kevin Wolf
2021-10-05 14:37 ` Kevin Wolf
2021-10-05 15:52 ` Damien Hedde
2021-10-05 17:33 ` Kevin Wolf
2021-10-06 8:21 ` Juan Quintela
2021-10-06 9:20 ` Laurent Vivier
2021-10-06 10:53 ` Kevin Wolf
2021-10-06 11:09 ` Laurent Vivier
2021-10-01 14:42 ` Peter Krempa
2021-10-04 12:18 ` Damien Hedde
2021-10-04 14:22 ` Kevin Wolf
2021-09-24 9:04 ` [PATCH 10/11] vl: Enable JSON syntax for -device Kevin Wolf
2021-09-24 19:00 ` Eric Blake
2021-09-24 9:04 ` [PATCH 11/11] Deprecate stable non-JSON -device and -object Kevin Wolf
2021-09-24 19:02 ` Eric Blake
2021-09-27 8:15 ` Paolo Bonzini
2021-09-27 8:21 ` Daniel P. Berrangé
2021-09-27 10:17 ` Kevin Wolf
2021-09-27 10:37 ` Daniel P. Berrangé
2021-09-27 9:00 ` Peter Maydell
2021-09-27 11:27 ` Kevin Wolf
2021-09-27 12:52 ` Peter Maydell
2021-09-27 16:10 ` Kevin Wolf
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