From fb96bdaa3aa30c7aa605b7ecf42df459b2b386e7 Mon Sep 17 00:00:00 2001 From: Jens Wiklander Date: Fri, 23 Dec 2016 13:13:27 +0100 Subject: BACKPORT: tee: add tee_param_is_memref() for driver use Change-Id: I105eb7c113b68695c28123f520d8d9b07a1fcda4 Reviewed-by: Etienne Carriere Signed-off-by: Jens Wiklander (cherry picked from commit 84debcc53533f162bf11f24e6a503d227c175cbe) Signed-off-by: Victor Chong --- include/linux/tee_drv.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/linux') 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*/ -- cgit v1.2.3