Re: [PATCH 3/6] vp_vdpa: add vq irq offloading support
From: Jason Wang <hidden>
Date: 2021-09-09 02:53:43
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On Wed, Sep 8, 2021 at 8:23 PM Wu Zongyong [off-list ref] wrote:
This patch implements the get_vq_irq() callback for virtio pci devices to allow irq offloading. Signed-off-by: Wu Zongyong <redacted> --- drivers/vdpa/virtio_pci/vp_vdpa.c | 8 ++++++++ 1 file changed, 8 insertions(+)
Acked-by: Jason Wang <redacted>
quoted hunk
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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