Messages in this thread | | | From | Jason Wang <> | Date | Thu, 9 Sep 2021 10:53:25 +0800 | Subject | Re: [PATCH 3/6] vp_vdpa: add vq irq offloading support |
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On Wed, Sep 8, 2021 at 8:23 PM Wu Zongyong <wuzongyong@linux.alibaba.com> wrote: > > This patch implements the get_vq_irq() callback for virtio pci devices > to allow irq offloading. > > Signed-off-by: Wu Zongyong <wuzongyong@linux.alibaba.com> > --- > drivers/vdpa/virtio_pci/vp_vdpa.c | 8 ++++++++ > 1 file changed, 8 insertions(+)
Acked-by: Jason Wang <jasowang@redhat.com>
> > diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c > index fe0527329857..4c512ae1fe01 100644 > --- a/drivers/vdpa/virtio_pci/vp_vdpa.c > +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c > @@ -76,6 +76,13 @@ static u8 vp_vdpa_get_status(struct vdpa_device *vdpa) > return vp_modern_get_status(mdev); > } > > +static int vp_vdpa_get_vq_irq(struct vdpa_device *vdev, u16 idx) > +{ > + struct vp_vdpa *vp_vdpa = vdpa_to_vp(vdev); > + > + return vp_vdpa->vring[idx].irq; > +} > + > static void vp_vdpa_free_irq(struct vp_vdpa *vp_vdpa) > { > struct virtio_pci_modern_device *mdev = &vp_vdpa->mdev; > @@ -416,6 +423,7 @@ static const struct vdpa_config_ops vp_vdpa_ops = { > .get_config = vp_vdpa_get_config, > .set_config = vp_vdpa_set_config, > .set_config_cb = vp_vdpa_set_config_cb, > + .get_vq_irq = vp_vdpa_get_vq_irq, > }; > > static void vp_vdpa_free_irq_vectors(void *data) > -- > 2.31.1 >
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