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Commit df1b57fe authored by Michael S. Tsirkin's avatar Michael S. Tsirkin
Browse files

virtio_balloon: add legacy_only flag



We have no plans to support virtio 1.0 in balloon driver.  Add an
explicit flag to mark it legacy only.

This will be used by follow-up patches.

Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>


parent 1f0f9106
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+1 −0
Original line number Diff line number Diff line
@@ -518,6 +518,7 @@ static unsigned int features[] = {
};

static struct virtio_driver virtio_balloon_driver = {
	.legacy_only = true,
	.feature_table = features,
	.feature_table_size = ARRAY_SIZE(features),
	.driver.name =	KBUILD_MODNAME,
+2 −0
Original line number Diff line number Diff line
@@ -132,6 +132,7 @@ int virtio_device_restore(struct virtio_device *dev);
 * @feature_table_size: number of entries in the feature table array.
 * @feature_table_legacy: same as feature_table but when working in legacy mode.
 * @feature_table_size_legacy: number of entries in feature table legacy array.
 * @legacy_only: driver does not support virtio 1.0.
 * @probe: the function to call when a device is found.  Returns 0 or -errno.
 * @remove: the function to call when a device is removed.
 * @config_changed: optional function to call when the device configuration
@@ -144,6 +145,7 @@ struct virtio_driver {
	unsigned int feature_table_size;
	const unsigned int *feature_table_legacy;
	unsigned int feature_table_size_legacy;
	bool legacy_only;
	int (*probe)(struct virtio_device *dev);
	void (*scan)(struct virtio_device *dev);
	void (*remove)(struct virtio_device *dev);