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path: root/drivers/vfio/mdev
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Diffstat (limited to 'drivers/vfio/mdev')
-rw-r--r--drivers/vfio/mdev/mdev_core.c18
-rw-r--r--drivers/vfio/mdev/mdev_private.h1
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c
index b96fedc77ee5..1b6435529166 100644
--- a/drivers/vfio/mdev/mdev_core.c
+++ b/drivers/vfio/mdev/mdev_core.c
@@ -390,6 +390,24 @@ int mdev_device_remove(struct device *dev, bool force_remove)
return 0;
}
+int mdev_set_iommu_device(struct device *dev, struct device *iommu_device)
+{
+ struct mdev_device *mdev = to_mdev_device(dev);
+
+ mdev->iommu_device = iommu_device;
+
+ return 0;
+}
+EXPORT_SYMBOL(mdev_set_iommu_device);
+
+struct device *mdev_get_iommu_device(struct device *dev)
+{
+ struct mdev_device *mdev = to_mdev_device(dev);
+
+ return mdev->iommu_device;
+}
+EXPORT_SYMBOL(mdev_get_iommu_device);
+
static int __init mdev_init(void)
{
return mdev_bus_register();
diff --git a/drivers/vfio/mdev/mdev_private.h b/drivers/vfio/mdev/mdev_private.h
index 379758c52b1b..f4eba723fea5 100644
--- a/drivers/vfio/mdev/mdev_private.h
+++ b/drivers/vfio/mdev/mdev_private.h
@@ -33,6 +33,7 @@ struct mdev_device {
struct kref ref;
struct list_head next;
struct kobject *type_kobj;
+ struct device *iommu_device;
bool active;
};