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Diffstat (limited to 'include/linux/tee_drv.h')
-rw-r--r--include/linux/tee_drv.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h
index 230a1ebbf3bc..a2b3dfcee0b5 100644
--- a/include/linux/tee_drv.h
+++ b/include/linux/tee_drv.h
@@ -453,4 +453,16 @@ static inline int tee_shm_get_id(struct tee_shm *shm)
*/
struct tee_shm *tee_shm_get_from_id(struct tee_context *ctx, int id);
+static inline bool tee_param_is_memref(struct tee_param *param)
+{
+ switch (param->attr & TEE_IOCTL_PARAM_ATTR_TYPE_MASK) {
+ case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INPUT:
+ case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_OUTPUT:
+ case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INOUT:
+ return true;
+ default:
+ return false;
+ }
+}
+
#endif /*__TEE_DRV_H*/