Messages in this thread | | | Date | Wed, 15 Sep 2021 11:31:02 +0800 | From | Wu Zongyong <> | Subject | Re: [PATCH v2 3/5] vp_vdpa: add vq irq offloading support |
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On Wed, Sep 15, 2021 at 11:16:03AM +0800, Jason Wang wrote: > On Tue, Sep 14, 2021 at 8:25 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> > > Acked-by: Jason Wang <jasowang@redhat.com> > > (btw, I think I've acked this but it seems lost). Yes, but this patch is a little different with the previous one.
And should I not send the patch again if one of the previous version patch series have been acked by someone? It's the first time for me to send patches to kernel community. > > Thanks > > > --- > > drivers/vdpa/virtio_pci/vp_vdpa.c | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > > > > diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c > > index 5bcd00246d2e..e3ff7875e123 100644 > > --- a/drivers/vdpa/virtio_pci/vp_vdpa.c > > +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c > > @@ -76,6 +76,17 @@ 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 *vdpa, u16 idx) > > +{ > > + struct vp_vdpa *vp_vdpa = vdpa_to_vp(vdpa); > > + int irq = vp_vdpa->vring[idx].irq; > > + > > + if (irq == VIRTIO_MSI_NO_VECTOR) > > + return -EINVAL; > > + > > + return irq; > > +} > > + > > static void vp_vdpa_free_irq(struct vp_vdpa *vp_vdpa) > > { > > struct virtio_pci_modern_device *mdev = &vp_vdpa->mdev; > > @@ -427,6 +438,7 @@ 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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