From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0ADF72E2667 for ; Tue, 2 Sep 2025 04:56:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756788983; cv=none; b=BJdepXVOcsUhr/Zky7YUO8FFiE/LuRsPSbt7L9QCfcnCz6AsbPEByMe3wHgOmK8GsXVV2A7RSxdS4yiIO/8PgKoMjk2dJb0tSyZ0scU7rHDsITV27XYZVKw4rfBNbzsKxnwRevVXizz4HL8epXfqyLxysvEawN4PasaR1kjG6uw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756788983; c=relaxed/simple; bh=2jLp+9owgiqgZBOCKFldUxG3+QmUa/8reLXIFzBTr08=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=bGyzavqe2cOzK6WE1pmOG302ncBN6FwS5EiD6qLfuDK4rrbkHAQI4xNRyJZA4vA5W+KWnYIVYctkiYVtq+NfdlhTruFwOdl8zfa7TqgV76tLyCEcF0vaMnfnPUV2DuDEGZeiX8zc6CZCyesTd/r2ZJzLgvXn0PSZrzLqEEthftI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=iU93sRdK; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="iU93sRdK" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 5822S6kX030596 for ; Tue, 2 Sep 2025 04:56:20 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= 83fAnkrveK9gQC9R/+BmmA0iOQTFfDns/UdMTMdybB0=; b=iU93sRdKWl3pXPjk CJm3C1+MEZAjvpK2QCNBTrxyaoU8Dhm6LI8yXVNG07wdFhUQ+ksbZt3/Zf7NxRK6 a5cbhGIxEEh+Tv8SPxrURN+2jGmdO/stF+UUlE4bEdYO47qgwQ3q7ycSXF+Nr9Nn v/CMBo4e1KGkQds1Q+1pNR7W6n+hTt7TLGOjv8GMg9eQe6F90QFWkgmx09pd/HyH 3mteK7EK7DSm2rE69rebLfyl+0iyWeC0GSLldtq0zEmRxug2+HK9dalUeHEomiNf /guNOzY6Juhf/kGHVY30dyPqkKaZtx3/0TYu0TIaf4kCg+otGg+FKFq3ju84LdS/ rC3g0w== Received: from mail-pl1-f199.google.com (mail-pl1-f199.google.com [209.85.214.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 48ura8pgfx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 02 Sep 2025 04:56:20 +0000 (GMT) Received: by mail-pl1-f199.google.com with SMTP id d9443c01a7336-249118cb74cso39051275ad.0 for ; Mon, 01 Sep 2025 21:56:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756788979; x=1757393779; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=83fAnkrveK9gQC9R/+BmmA0iOQTFfDns/UdMTMdybB0=; b=vREkVzfwR0ks+GevcjZOd1IKD79hui+e8dFGuR0SsGgTOofQyLP/lT925VvQfLNGNl B3un7bioR2n4BBY0smrjgHhXBEXrJS8SBQbVzwRL8y+n9ETAmiTLxXxBgvkQqspyEhq8 RNf7AUKZ0i3Hsa6CoFARoJivakdcWYDUT0UyErVAWyNCT8DIh/bO2nNrdva6lSOVeGQp yBydyjv74QVDRGHe6c8I01I7ZpLhL87wvOW4R/gdMXa2HLlmUJuLAhdQWk1BANOslWRe 3HZFRtnaw42Fl9lvJrz36UcmUeglaKqbEcsTK7AAT94TcBU5Mki13lGj/4HzEgGJBjff uNAQ== X-Forwarded-Encrypted: i=1; AJvYcCW2b7p+pboAFW3swxHaiby4UofOFS6mCVU90AJk6CteF8MyHIXNqwWk48tO60jFwxykkeGxIkYTeBetC0/u@vger.kernel.org X-Gm-Message-State: AOJu0Ywv8ZYsxi2lLMmW/gNfnTrsy8iJHQl0MTIQD45u2tTpRWTfg5e+ /hQt8YUO9w0wd5F8dUPmTNu5vewgmfmtaH+GXnwM8b8MZYvn5coZ/IHyeYSYCifHpdH0PwM2tXj EKIIciIwJe3iyOyRiKUM3iZwyVpMxnPevR1H8UmMs90h7a0O8hbGDUtP2/D5Uoz2fNVg= X-Gm-Gg: ASbGnctQD8fPtG97EptuZIA5Nlc09+fQEHiW5Wvqqm1fF4Rpu5eqzyZAcSdVkoevwaj QZ+6GbH+n71va1C4xgVwGZv9L6yEx07UxcVfHYoWNHHt9Ra+/zu21PD+7ZSDOlsY4NOlLKN6o4z 1UJ1yhG+Yggqnro6VgTBCZgkQHq07zkFWUD3NylMdvFOaWySTbk4VRjQfzi2ESvY/RUXvOfye9I oqDCtN1lA+esjS5+yryzFS2kX5Xi8d79682k9jCFcBsR31ojvq3xj1GIBhqH8lCYi0DUIGe7iyi Iz92TLglXWfuLbuRmpUT9AcIMFhLaG7TnzE5rQEMuA9MaaL2fq1rlZYqgc1byDUL2MKIPEE6vI6 ATThOjTqZeyU2VWaz4Kv0wCU= X-Received: by 2002:a17:903:ac8:b0:240:52c8:2552 with SMTP id d9443c01a7336-24944ae192cmr136873175ad.43.1756788978824; Mon, 01 Sep 2025 21:56:18 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEjejh0uViNDEvhTaWcq9bv3V5Y7jPhdE44Q6k9Ox7H8xWnNvjCjQCM5Z2Mqif5+n1s8qZOHw== X-Received: by 2002:a17:903:ac8:b0:240:52c8:2552 with SMTP id d9443c01a7336-24944ae192cmr136872895ad.43.1756788978349; Mon, 01 Sep 2025 21:56:18 -0700 (PDT) Received: from hu-azarrabi-lv.qualcomm.com (Global_NAT1.qualcomm.com. [129.46.96.20]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-24b1f30a63asm1795345ad.66.2025.09.01.21.56.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Sep 2025 21:56:17 -0700 (PDT) From: Amirreza Zarrabi Date: Mon, 01 Sep 2025 21:55:52 -0700 Subject: [PATCH v9 05/11] tee: increase TEE_MAX_ARG_SIZE to 4096 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250901-qcom-tee-using-tee-ss-without-mem-obj-v9-5-a2af23f132d5@oss.qualcomm.com> References: <20250901-qcom-tee-using-tee-ss-without-mem-obj-v9-0-a2af23f132d5@oss.qualcomm.com> In-Reply-To: <20250901-qcom-tee-using-tee-ss-without-mem-obj-v9-0-a2af23f132d5@oss.qualcomm.com> To: Jens Wiklander , Sumit Garg , Bjorn Andersson , Konrad Dybcio , Bartosz Golaszewski , Apurupa Pattapu , Kees Cook , "Gustavo A. R. Silva" , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= Cc: Harshal Dev , linux-arm-msm@vger.kernel.org, op-tee@lists.trustedfirmware.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-doc@vger.kernel.org, Amirreza Zarrabi , Sumit Garg X-Mailer: b4 0.13.0 X-Proofpoint-ORIG-GUID: kgIlQAGuuvxuP_At1nof-TF8BatR54kd X-Proofpoint-GUID: kgIlQAGuuvxuP_At1nof-TF8BatR54kd X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODMwMDAyMCBTYWx0ZWRfXy0T4FFZWyOwm GWzCSOCmc09GSQDpOQcmuSp3mkKDMw0VBJvIB7mQLtQr7lGNzBsgrjiWhbdcf67GrvaqW40KxfM 2nneBG0ZGX7MUm30KhX42rEi2lUN8V2yTW/Z6b1t9yUCtCi0So2DMOiIwnzD1j6qa3DLKJ9w/k3 9wDEkwVzP+fyT9u0nZJxTcWnWHyEUwZYWaS95uZVbTTLi4QYt5iNl61Px+F4qH8XSd6L7mPzj/7 iI3iJgY1W3lChzyyKeCcLyUDmXfWEs8GkM/3dudEiMw0SyO3/68lWaPdzYF9SrmBnztaVRO0ADx rBCjhi5ghooAYKoc5ol3McaRCKhW0BC+JPbaI+jwMyicmyXGX94ZhFWUz/rmbJ+mh9Be1h4d9IX ifIG+5HU X-Authority-Analysis: v=2.4 cv=VNndn8PX c=1 sm=1 tr=0 ts=68b678f4 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=COk6AnOGAAAA:8 a=JCP0Puskdh6qvuzBaLcA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-02_01,2025-08-28_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 impostorscore=0 malwarescore=0 bulkscore=0 clxscore=1015 adultscore=0 priorityscore=1501 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508300020 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 Tested-by: Harshal Dev Signed-off-by: Amirreza Zarrabi --- 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 ac455683ab5b..5e393080fda1 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