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authorJens Wiklander <jens.wiklander@linaro.org>2016-12-23 15:13:27 +0300
committerJens Wiklander <jens.wiklander@linaro.org>2017-11-29 12:37:13 +0300
commit84debcc53533f162bf11f24e6a503d227c175cbe (patch)
tree2acb8a7a75c0ecd23cde340faf8f763122597feb /include/linux/tee_drv.h
parent4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff)
downloadlinux-84debcc53533f162bf11f24e6a503d227c175cbe.tar.xz
tee: add tee_param_is_memref() for driver use
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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 cb889afe576b..f4a0ac05ebb4 100644
--- a/include/linux/tee_drv.h
+++ b/include/linux/tee_drv.h
@@ -275,4 +275,16 @@ 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*/