From: Volodymyr Babchuk vlad.babchuk@gmail.com
These two function will be needed for shared memory registration in OP-TEE
Signed-off-by: Volodymyr Babchuk vlad.babchuk@gmail.com --- include/linux/tee_drv.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h index 49d6361..6ba8b76 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -384,6 +384,26 @@ void *tee_shm_get_va(struct tee_shm *shm, size_t offs); int tee_shm_get_pa(struct tee_shm *shm, size_t offs, phys_addr_t *pa);
/** + * tee_shm_get_size() - Get size of shared memory buffer + * @shm: Shared memory handle + * @returns size of shared memory + */ +static inline size_t tee_shm_get_size(struct tee_shm *shm) +{ + return shm->size; +} + +/** + * tee_shm_get_page_offset() - Get shared buffer offset from page start + * @shm: Shared memory handle + * @returns page offset of shared buffer + */ +static inline size_t tee_shm_get_page_offset(struct tee_shm *shm) +{ + return shm->offset; +} + +/** * tee_shm_get_id() - Get id of a shared memory object * @shm: Shared memory handle * @returns id