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-rw-r--r--drivers/vfio/vfio.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/vfio/vfio.h b/drivers/vfio/vfio.h
index 4478a1e77a5e..ae7dd2ca14b9 100644
--- a/drivers/vfio/vfio.h
+++ b/drivers/vfio/vfio.h
@@ -84,8 +84,11 @@ struct vfio_group {
struct blocking_notifier_head notifier;
struct iommufd_ctx *iommufd;
spinlock_t kvm_ref_lock;
+ unsigned int cdev_device_open_cnt;
};
+int vfio_device_block_group(struct vfio_device *device);
+void vfio_device_unblock_group(struct vfio_device *device);
int vfio_device_set_group(struct vfio_device *device,
enum vfio_group_type type);
void vfio_device_remove_group(struct vfio_device *device);