vDPA: add get_vq_irq() in vdpa_config_ops (7164675a) · Commits · 戴 / test

This commit adds a new function get_vq_irq() in struct vdpa_config_ops, which will return the irq number of a virtqueue. Signed-off-by:

include/linux/vdpa.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -89,6 +89,12 @@ struct vdpa_device {
		* @vdev: vdpa device
		* @idx: virtqueue index
		* Returns the notifcation area
		* @get_vq_irq: Get the irq number of a virtqueue (optional,
		* but must implemented if require vq irq offloading)
		* @vdev: vdpa device
		* @idx: virtqueue index
		* Returns int: irq number of a virtqueue,
		* negative number if no irq assigned.
		* @get_vq_align: Get the virtqueue align requirement
		* for the device
		* @vdev: vdpa device
		@@ -180,6 +186,7 @@ struct vdpa_config_ops {
		u64 (get_vq_state)(struct vdpa_device vdev, u16 idx);
		struct vdpa_notification_area
		(get_vq_notification)(struct vdpa_device vdev, u16 idx);
		int (get_vq_irq)(struct vdpa_device vdv, u16 idx);

		/* Device ops */
		u32 (get_vq_align)(struct vdpa_device vdev);