On Mon, May 26, 2025 at 11:56:50PM -0700, Amirreza Zarrabi wrote:
Increase TEE_MAX_ARG_SIZE to accommodate worst-case scenarios where additional buffer space is required to pass all arguments to TEE. This change is necessary for upcoming support for Qualcomm TEE, which requires a larger buffer for argument marshaling.
Signed-off-by: Amirreza Zarrabi amirreza.zarrabi@oss.qualcomm.com
include/uapi/linux/tee.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Sumit Garg sumit.garg@oss.qualcomm.com
-Sumit
diff --git a/include/uapi/linux/tee.h b/include/uapi/linux/tee.h index 441d97add53f..71a365afb89b 100644 --- a/include/uapi/linux/tee.h +++ b/include/uapi/linux/tee.h @@ -42,7 +42,7 @@ #define TEE_IOC_MAGIC 0xa4 #define TEE_IOC_BASE 0 -#define TEE_MAX_ARG_SIZE 1024 +#define TEE_MAX_ARG_SIZE 4096 #define TEE_GEN_CAP_GP (1 << 0)/* GlobalPlatform compliant TEE */ #define TEE_GEN_CAP_PRIVILEGED (1 << 1)/* Privileged device (for supplicant) */
-- 2.34.1