tee: shm: add accessors for buffer size and page offset (b25946ad) · Commits · 戴 / test

include/linux/tee_drv.h

+20 −0

Original line number	Diff line number	Diff line
		@@ -393,6 +393,26 @@ 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