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Wed, 21 Oct 2020 07:15:24 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-182.ams2.redhat.com [10.36.112.182]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AF6406EF66; Wed, 21 Oct 2020 07:15:21 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 28E7A11275C2; Wed, 21 Oct 2020 09:15:20 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH 4/4] qga: Flatten simple union GuestDeviceId Date: Wed, 21 Oct 2020 09:15:20 +0200 Message-Id: <20201021071520.2168877-5-armbru@redhat.com> In-Reply-To: <20201021071520.2168877-1-armbru@redhat.com> References: <20201021071520.2168877-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/21 02:16:02 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: marcandre.lureau@redhat.com, tgolembi@redhat.com, philmd@redhat.com, mdroth@linux.vnet.ibm.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Simple unions are simpler than flat unions in the schema, but more complicated in C and on the QMP wire: there's extra indirection in C and extra nesting on the wire, both pointless. They should be avoided in new code. GuestDeviceId was recently added for guest-get-devices. Convert it to a flat union. Signed-off-by: Markus Armbruster Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Marc-André Lureau Signed-off-by: Markus Armbruster <armbru@redhat.com>

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>

--- qga/qapi-schema.json | 8 ++++++++ qga/commands-win32.c | 9 ++++----- 2 files changed, 12 insertions(+), 5 deletions(-) diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json index c7bfb8bf6a..fe10631e4c 100644 --- a/qga/qapi-schema.json +++ b/qga/qapi-schema.json @@ -1256,6 +1256,12 @@ { 'command': 'guest-get-osinfo', 'returns': 'GuestOSInfo' } +## +# @GuestDeviceType: +## +{ 'enum': 'GuestDeviceType', + 'data': [ 'pci' ] } + ## # @GuestDeviceIdPCI: # @@ -1276,6 +1282,8 @@ # Since: 5.2 ## { 'union': 'GuestDeviceId', + 'base': { 'type': 'GuestDeviceType' }, + 'discriminator': 'type', 'data': { 'pci': 'GuestDeviceIdPCI' } } ## diff --git a/qga/commands-win32.c b/qga/commands-win32.c index 1efe3ba076..0c33d48aaa 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -2400,16 +2400,15 @@ GuestDeviceInfoList *qmp_guest_get_devices(Error **errp) } skip = false; - id = g_new0(GuestDeviceIdPCI, 1); vendor_id = g_match_info_fetch(match_info, 1); device_id = g_match_info_fetch(match_info, 2); - id->vendor_id = g_ascii_strtoull(vendor_id, NULL, 16); - id->device_id = g_ascii_strtoull(device_id, NULL, 16); device->id = g_new0(GuestDeviceId, 1); device->has_id = true; - device->id->type = GUEST_DEVICE_ID_KIND_PCI; - device->id->u.pci.data = id; + device->id->type = GUEST_DEVICE_TYPE_PCI; + id = &device->id->u.pci; + id->vendor_id = g_ascii_strtoull(vendor_id, NULL, 16); + id->device_id = g_ascii_strtoull(device_id, NULL, 16); g_match_info_free(match_info); break;