diff options
| author | Stefano Garzarella <sgarzare@redhat.com> | 2021-03-15 17:34:44 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-05-03 04:55:53 -0400 |
| commit | 442706f9f94d28fe3c9f188ae4ebbd6b40addffe (patch) | |
| tree | 27fbf1922674767f6d4f0b63486b9c6c3f85e940 /drivers/vdpa/virtio_pci | |
| parent | bc433e5e0d42d7892dcefb65686c9f1df126923a (diff) | |
vdpa: add get_config_size callback in vdpa_config_ops
This new callback is used to get the size of the configuration space
of vDPA devices.
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20210315163450.254396-9-sgarzare@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'drivers/vdpa/virtio_pci')
| -rw-r--r-- | drivers/vdpa/virtio_pci/vp_vdpa.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c index 002b928d0ca1..c76ebb531212 100644 --- a/drivers/vdpa/virtio_pci/vp_vdpa.c +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c @@ -296,6 +296,13 @@ static u32 vp_vdpa_get_vq_align(struct vdpa_device *vdpa) return PAGE_SIZE; } +static size_t vp_vdpa_get_config_size(struct vdpa_device *vdpa) +{ + struct virtio_pci_modern_device *mdev = vdpa_to_mdev(vdpa); + + return mdev->device_len; +} + static void vp_vdpa_get_config(struct vdpa_device *vdpa, unsigned int offset, void *buf, unsigned int len) @@ -369,6 +376,7 @@ static const struct vdpa_config_ops vp_vdpa_ops = { .get_device_id = vp_vdpa_get_device_id, .get_vendor_id = vp_vdpa_get_vendor_id, .get_vq_align = vp_vdpa_get_vq_align, + .get_config_size = vp_vdpa_get_config_size, .get_config = vp_vdpa_get_config, .set_config = vp_vdpa_set_config, .set_config_cb = vp_vdpa_set_config_cb, |