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path: root/drivers/vfio/iommufd.c
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Diffstat (limited to 'drivers/vfio/iommufd.c')
-rw-r--r--drivers/vfio/iommufd.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/vfio/iommufd.c b/drivers/vfio/iommufd.c
index afda47ee9663..36f838dad084 100644
--- a/drivers/vfio/iommufd.c
+++ b/drivers/vfio/iommufd.c
@@ -10,6 +10,14 @@
MODULE_IMPORT_NS(IOMMUFD);
MODULE_IMPORT_NS(IOMMUFD_VFIO);
+bool vfio_iommufd_device_has_compat_ioas(struct vfio_device *vdev,
+ struct iommufd_ctx *ictx)
+{
+ u32 ioas_id;
+
+ return !iommufd_vfio_compat_ioas_get_id(ictx, &ioas_id);
+}
+
int vfio_iommufd_bind(struct vfio_device *vdev, struct iommufd_ctx *ictx)
{
u32 ioas_id;
@@ -18,20 +26,6 @@ int vfio_iommufd_bind(struct vfio_device *vdev, struct iommufd_ctx *ictx)
lockdep_assert_held(&vdev->dev_set->lock);
- if (vfio_device_is_noiommu(vdev)) {
- if (!capable(CAP_SYS_RAWIO))
- return -EPERM;
-
- /*
- * Require no compat ioas to be assigned to proceed. The basic
- * statement is that the user cannot have done something that
- * implies they expected translation to exist
- */
- if (!iommufd_vfio_compat_ioas_get_id(ictx, &ioas_id))
- return -EPERM;
- return 0;
- }
-
ret = vdev->ops->bind_iommufd(vdev, ictx, &device_id);
if (ret)
return ret;