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tee: increase TEE_MAX_ARG_SIZE to 4096

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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>
This commit is contained in:
Amirreza Zarrabi
2025-09-15 17:34:06 +02:00
committed by Jens Wiklander
parent d5b8b0fa17
commit bd51393068
1 changed files with 1 additions and 1 deletions
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include/uapi/linux/tee.h
+1 -1
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@@ -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) */