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.
Reviewed-by: Sumit Garg sumit.garg@oss.qualcomm.com Tested-by: Harshal Dev quic_hdev@quicinc.com Signed-off-by: Amirreza Zarrabi amirreza.zarrabi@oss.qualcomm.com --- include/uapi/linux/tee.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/uapi/linux/tee.h b/include/uapi/linux/tee.h index 9abb0f299549..a5466b503bfe 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) */