On 2020/7/28 下午12:24, Zhu Lingshan wrote:
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: Zhu Lingshan <lingshan....@intel.com> Suggested-by: Jason Wang <jasow...@redhat.com> --- include/linux/vdpa.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 239db794357c..cebc79173aaa 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -87,6 +87,11 @@ struct vdpa_device { * @vdev: vdpa device * @idx: virtqueue index * Returns the notifcation area + * @get_vq_irq: Get the irq number of a virtqueue + * @vdev: vdpa device + * @idx: virtqueue index + * Returns u32: irq number of a virtqueue, + * -EINVAL if no irq assigned.
I think we can not get -EINVAL since the function will return a u32. Thanks
* @get_vq_align: Get the virtqueue align requirement * for the device * @vdev: vdpa device @@ -178,6 +183,7 @@ 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); + u32 (*get_vq_irq)(struct vdpa_device *vdv, u16 idx);/* Device ops */u32 (*get_vq_align)(struct vdpa_device *vdev);
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