From: Alex Bennée Date: Tue, 24 May 2022 15:40:45 +0000 (+0100) Subject: include/hw/virtio: document vhost_ack_features X-Git-Tag: v7.1.0-rc0~47^2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81cf38f3ff3c7db8fcd2f46df9a294fdf6f4a910;p=thirdparty%2Fqemu.git include/hw/virtio: document vhost_ack_features Signed-off-by: Alex Bennée Message-Id: <20220524154056.2896913-5-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Stefan Hajnoczi --- diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index bfc71b7c502..a346f23d13c 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -260,6 +260,16 @@ void vhost_virtqueue_mask(struct vhost_dev *hdev, VirtIODevice *vdev, int n, */ uint64_t vhost_get_features(struct vhost_dev *hdev, const int *feature_bits, uint64_t features); + +/** + * vhost_ack_features() - set vhost acked_features + * @hdev: common vhost_dev structure + * @feature_bits: pointer to terminated table of feature bits + * @features: requested feature set + * + * This sets the internal hdev->acked_features to the intersection of + * the backends advertised features and the supported feature_bits. + */ void vhost_ack_features(struct vhost_dev *hdev, const int *feature_bits, uint64_t features); bool vhost_has_free_slot(void);