| Message ID | 20200728042405.17579-4-lingshan.zhu@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | IRQ offloading for vDPA | expand |
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.zhu@intel.com> > Suggested-by: Jason Wang <jasowang@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);
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. * @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);
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.zhu@intel.com> Suggested-by: Jason Wang <jasowang@redhat.com> --- include/linux/vdpa.h | 6 ++++++ 1 file changed, 6 insertions(+)