summaryrefslogtreecommitdiff
path: root/include/uapi/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux')
-rw-r--r--include/uapi/linux/iommufd.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/include/uapi/linux/iommufd.h b/include/uapi/linux/iommufd.h
index b4ba0c0cbab6..4a7c5c8fdbb4 100644
--- a/include/uapi/linux/iommufd.h
+++ b/include/uapi/linux/iommufd.h
@@ -348,9 +348,19 @@ struct iommu_vfio_ioas {
#define IOMMU_VFIO_IOAS _IO(IOMMUFD_TYPE, IOMMUFD_CMD_VFIO_IOAS)
/**
+ * enum iommufd_hwpt_alloc_flags - Flags for HWPT allocation
+ * @IOMMU_HWPT_ALLOC_NEST_PARENT: If set, allocate a domain which can serve
+ * as the parent domain in the nesting
+ * configuration.
+ */
+enum iommufd_hwpt_alloc_flags {
+ IOMMU_HWPT_ALLOC_NEST_PARENT = 1 << 0,
+};
+
+/**
* struct iommu_hwpt_alloc - ioctl(IOMMU_HWPT_ALLOC)
* @size: sizeof(struct iommu_hwpt_alloc)
- * @flags: Must be 0
+ * @flags: Combination of enum iommufd_hwpt_alloc_flags
* @dev_id: The device to allocate this HWPT for
* @pt_id: The IOAS to connect this HWPT to
* @out_hwpt_id: The ID of the new HWPT