diff options
Diffstat (limited to 'drivers/vdpa/virtio_pci/vp_vdpa.c')
| -rw-r--r-- | drivers/vdpa/virtio_pci/vp_vdpa.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c index fe0527329857..cd7718b43a6e 100644 --- a/drivers/vdpa/virtio_pci/vp_vdpa.c +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c @@ -189,10 +189,20 @@ static void vp_vdpa_set_status(struct vdpa_device *vdpa, u8 status) } vp_modern_set_status(mdev, status); +} - if (!(status & VIRTIO_CONFIG_S_DRIVER_OK) && - (s & VIRTIO_CONFIG_S_DRIVER_OK)) +static int vp_vdpa_reset(struct vdpa_device *vdpa) +{ + struct vp_vdpa *vp_vdpa = vdpa_to_vp(vdpa); + struct virtio_pci_modern_device *mdev = &vp_vdpa->mdev; + u8 s = vp_vdpa_get_status(vdpa); + + vp_modern_set_status(mdev, 0); + + if (s & VIRTIO_CONFIG_S_DRIVER_OK) vp_vdpa_free_irq(vp_vdpa); + + return 0; } static u16 vp_vdpa_get_vq_num_max(struct vdpa_device *vdpa) @@ -398,6 +408,7 @@ static const struct vdpa_config_ops vp_vdpa_ops = { .set_features = vp_vdpa_set_features, .get_status = vp_vdpa_get_status, .set_status = vp_vdpa_set_status, + .reset = vp_vdpa_reset, .get_vq_num_max = vp_vdpa_get_vq_num_max, .get_vq_state = vp_vdpa_get_vq_state, .get_vq_notification = vp_vdpa_get_vq_notification, |