diff options
| author | Jens Wiklander <jens.wiklander@linaro.org> | 2022-02-04 10:33:59 +0100 |
|---|---|---|
| committer | Jens Wiklander <jens.wiklander@linaro.org> | 2022-02-16 07:49:41 +0100 |
| commit | a45ea4efa358577c623d7353a6ba9af3c17f6ca0 (patch) | |
| tree | cdcfaf05b949c5d508c583355c24ef64605ff48d /include/linux/tee_drv.h | |
| parent | 53e16519c2eccdb2e1b123405466a29aaea1132e (diff) | |
tee: refactor TEE_SHM_* flags
Removes the redundant TEE_SHM_DMA_BUF, TEE_SHM_EXT_DMA_BUF,
TEE_SHM_MAPPED and TEE_SHM_KERNEL_MAPPED flags.
TEE_SHM_REGISTER is renamed to TEE_SHM_DYNAMIC in order to better
match its usage.
Assigns new values to the remaining flags to void gaps.
Reviewed-by: Sumit Garg <sumit.garg@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.h | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h index a3b663ef0694..911cad324acc 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -20,14 +20,11 @@ * specific TEE driver. */ -#define TEE_SHM_MAPPED BIT(0) /* Memory mapped by the kernel */ -#define TEE_SHM_DMA_BUF BIT(1) /* Memory with dma-buf handle */ -#define TEE_SHM_EXT_DMA_BUF BIT(2) /* Memory with dma-buf handle */ -#define TEE_SHM_REGISTER BIT(3) /* Memory registered in secure world */ -#define TEE_SHM_USER_MAPPED BIT(4) /* Memory mapped in user space */ -#define TEE_SHM_POOL BIT(5) /* Memory allocated from pool */ -#define TEE_SHM_KERNEL_MAPPED BIT(6) /* Memory mapped in kernel space */ -#define TEE_SHM_PRIV BIT(7) /* Memory private to TEE driver */ +#define TEE_SHM_DYNAMIC BIT(0) /* Dynamic shared memory registered */ + /* in secure world */ +#define TEE_SHM_USER_MAPPED BIT(1) /* Memory mapped in user space */ +#define TEE_SHM_POOL BIT(2) /* Memory allocated from pool */ +#define TEE_SHM_PRIV BIT(3) /* Memory private to TEE driver */ struct device; struct tee_device; @@ -280,13 +277,13 @@ struct tee_shm *tee_shm_register_kernel_buf(struct tee_context *ctx, void *addr, size_t length); /** - * tee_shm_is_registered() - Check if shared memory object in registered in TEE + * tee_shm_is_dynamic() - Check if shared memory object is of the dynamic kind * @shm: Shared memory handle - * @returns true if object is registered in TEE + * @returns true if object is dynamic shared memory */ -static inline bool tee_shm_is_registered(struct tee_shm *shm) +static inline bool tee_shm_is_dynamic(struct tee_shm *shm) { - return shm && (shm->flags & TEE_SHM_REGISTER); + return shm && (shm->flags & TEE_SHM_DYNAMIC); } /** |