pc,pci,virtio: cleanups, fixes, features

[PULL 53/66] include/hw/virtio: document virtio_notify_config

Michael S. Tsirkin posted 66 patches 2 years, 5 months ago

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Maintainers: "Michael S. Tsirkin" <mst@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Eduardo Habkost <eduardo@habkost.net>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Paul Burton <paulburton@kernel.org>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Huacai Chen <chenhuacai@kernel.org>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aurelien Jarno <aurelien@aurel32.net>, Akihiko Odaki <akihiko.odaki@daynix.com>, Sriram Yagnaraman <sriram.yagnaraman@est.tech>, Jason Wang <jasowang@redhat.com>, Keith Busch <kbusch@kernel.org>, Klaus Jensen <its@irrelevant.dk>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, BALATON Zoltan <balaton@eik.bme.hu>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <anisinha@redhat.com>, Artyom Tarasenko <atar4qemu@gmail.com>, "Eugenio Pérez" <eperezma@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, "Alex Bennée" <alex.bennee@linaro.org>, Viresh Kumar <viresh.kumar@linaro.org>, "Gonglei (Arei)" <arei.gonglei@huawei.com>, Eric Auger <eric.auger@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Thomas Huth <thuth@redhat.com>, Laurent Vivier <lvivier@redhat.com>

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[PULL 53/66] include/hw/virtio: document virtio_notify_config

Posted by Michael S. Tsirkin 2 years, 5 months ago

From: Alex Bennée <alex.bennee@linaro.org>

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230710153522.3469097-5-alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 include/hw/virtio/virtio.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 0492d26900..0671989383 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -276,6 +276,13 @@ extern const VMStateInfo virtio_vmstate_info;
 
 int virtio_load(VirtIODevice *vdev, QEMUFile *f, int version_id);
 
+/**
+ * virtio_notify_config() - signal a change to device config
+ * @vdev: the virtio device
+ *
+ * Assuming the virtio device is up (VIRTIO_CONFIG_S_DRIVER_OK) this
+ * will trigger a guest interrupt and update the config version.
+ */
 void virtio_notify_config(VirtIODevice *vdev);
 
 bool virtio_queue_get_notification(VirtQueue *vq);
-- 
MST