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tee: increase TEE_MAX_ARG_SIZE to 4096

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>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

authored by

Amirreza Zarrabi and committed by
Jens Wiklander bd513930 d5b8b0fa

+1 -1
+1 -1
include/uapi/linux/tee.h
··· 42 42 #define TEE_IOC_MAGIC 0xa4 43 43 #define TEE_IOC_BASE 0 44 44 45 - #define TEE_MAX_ARG_SIZE 1024 45 + #define TEE_MAX_ARG_SIZE 4096 46 46 47 47 #define TEE_GEN_CAP_GP (1 << 0)/* GlobalPlatform compliant TEE */ 48 48 #define TEE_GEN_CAP_PRIVILEGED (1 << 1)/* Privileged device (for supplicant) */