diff options
| author | Jason Wang <jasowang@redhat.com> | 2021-04-15 03:31:42 -0400 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-05-03 04:55:51 -0400 |
| commit | 7dca6c0ea96b9e583ebcf95fe3c14ba3385f467b (patch) | |
| tree | 6768314c0916296a8c37495a64fb7f6663bdeb82 /drivers/virtio | |
| parent | 9e3bb9b79a7131a088cfffbdcc30e747dad9d090 (diff) | |
| download | linux-7dca6c0ea96b9e583ebcf95fe3c14ba3385f467b.tar.gz linux-7dca6c0ea96b9e583ebcf95fe3c14ba3385f467b.tar.xz | |
virtio-pci library: switch to use vp_modern_map_vq_notify()
This patch switch to use vp_modern_map_notify() for virtio-pci
library.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210415073147.19331-3-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Diffstat (limited to 'drivers/virtio')
| -rw-r--r-- | drivers/virtio/virtio_pci_modern.c | 27 |
1 files changed, 2 insertions, 25 deletions
diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index fbd4ebc00eb6..29607d9bd95c 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -192,7 +192,7 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, struct virtio_pci_modern_device *mdev = &vp_dev->mdev; struct virtqueue *vq; - u16 num, off; + u16 num; int err; if (index >= vp_modern_get_num_queues(mdev)) @@ -208,9 +208,6 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, return ERR_PTR(-EINVAL); } - /* get offset of notification word for this vq */ - off = vp_modern_get_queue_notify_off(mdev, index); - info->msix_vector = msix_vec; /* create the vring */ @@ -227,27 +224,7 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, virtqueue_get_avail_addr(vq), virtqueue_get_used_addr(vq)); - if (mdev->notify_base) { - /* offset should not wrap */ - if ((u64)off * mdev->notify_offset_multiplier + 2 - > mdev->notify_len) { - dev_warn(&mdev->pci_dev->dev, - "bad notification offset %u (x %u) " - "for queue %u > %zd", - off, mdev->notify_offset_multiplier, - index, mdev->notify_len); - err = -EINVAL; - goto err_map_notify; - } - vq->priv = (void __force *)mdev->notify_base + - off * mdev->notify_offset_multiplier; - } else { - vq->priv = (void __force *)vp_modern_map_capability(mdev, - mdev->notify_map_cap, 2, 2, - off * mdev->notify_offset_multiplier, 2, - NULL); - } - + vq->priv = vp_modern_map_vq_notify(mdev, index); if (!vq->priv) { err = -ENOMEM; goto err_map_notify; |