From nobody Thu Oct 2 21:39:01 2025 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 7062923A9AE for ; Thu, 11 Sep 2025 03:41:38 +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=1757562100; cv=none; b=FcQaZKhEo8ggc+xUDAZWJq1P8DInrszofZHL2sn3tsSSPeNd9qKkXtOF/ei8q1cnF1Wp3NBuSOVeD3J8l7FcEGvl05295ffiPfYsCUxu5vkXFyjWknj8tCLlonlE57MQ9WbCgQgwhvurqLmAsVr/ryoP0sWyjxkroxEijvWlGvQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757562100; c=relaxed/simple; bh=/lv6U+EjPMeafYia+qKbji5Tbq552Q5xbMPIUY9qAiA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=kzAiK8JGqhICcQ/9p2VpRPIdnKa3exjFpz6f4JOhPak3ssF7Fxx33TM027xaNIQRVA5oiRbO28dqkTKKgMjlrblAR8BI/+sTfIS59vrRBBPOcaLVVYanOZtG3vxrIZ47QsIS0+BSrQqs1UQMAjWMjIpyZVly5ak28ZOlfz2ZNA4= 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=lD81zjBU; 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="lD81zjBU" Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 58B2J3x0006616 for ; Thu, 11 Sep 2025 03:41:37 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= YP1F2mKERyMRZBFmEs3SVcCv9UXZBJL5UnDFWST/l1c=; b=lD81zjBUQ40u8W2l UmBOznX4JfGe5Uc8w5e1E5ljITBKS7BsvfJadjMBZVNwmuJjs3maPhCIm1VeKuP2 Ao1EYPK75Vl1bjpsY8ngMmzHKZJMqg/kyUOs/mM1gVHTBPi5vPIv4/Paxkp1ZtxD erCgNiZIJKFbKYts0VENwvk1WpXjnCiIhIvm2W8cRSYKTHEOHhy2H6YbiYeorEPc mVWJlM2tuNDJD/dNAzbweTL2u4WH/A+eNML53zt6A93mQ/ODNh2m3dFV4BlIZXUV vUwZV8xUkxkTnof9CAQsHGV1o6qJFJVmtH1RPcOpFN4jaTpyQGbzTVipJ5SsgssL SIU22w== Received: from mail-pl1-f197.google.com (mail-pl1-f197.google.com [209.85.214.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 491vc2a63e-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 11 Sep 2025 03:41:37 +0000 (GMT) Received: by mail-pl1-f197.google.com with SMTP id d9443c01a7336-25bdf8126ceso4956895ad.3 for ; Wed, 10 Sep 2025 20:41:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757562096; x=1758166896; 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=YP1F2mKERyMRZBFmEs3SVcCv9UXZBJL5UnDFWST/l1c=; b=V5YLeVyHzwU5pFAqS8A0ugmBIiC4P8j9WTpItlJUOpkFCjKw2aJgV85rdTbZEMf0gW JzYBC2vCNMFQz6FFLMNGiy86G2zFIGyVl/mYpuFLF0wgABSEIARXkqPFh494QhNBLStp nYHD+QSRolwlO9bP9fsVCQHfVl6MFtZrbWhceLhOZkYl4LxibJMjR+yEkV/tg0l/Vz2D B8nTkm4Bs2snWa8/nCEIhD/PgtxmfGkp0m5joXGnBFsWqpeAgQAh2VUvRGOaCfCNxxa/ nz9032pVF5LLNFz6uWJyyR+gE5UL0PJ9rEWFoNLFlswFirpWOuv9tkQPzD9wyNwcGNpQ +p3A== X-Forwarded-Encrypted: i=1; AJvYcCX1mIUK5KvV185Cmvz6lXjYz8MWMLgT92sUh4jtDdy6QZoFgSI2U1TfIZVjluKbh/yZh0NhuP9vgPbPNJU=@vger.kernel.org X-Gm-Message-State: AOJu0YzWhz8Somw6UHcvfDF87r26Uyyxs9EUDxKycROiXkzi5VJu4hPU 2HQKJIvGaZyA54Elxb4BEqaScHPzelKRzfwOkhYWN+zNfsX5R1zBIZdPjimrLQCAsVBNDEn9e4Y LG/lZezcpL2euvSy1M5oSRPVulEVOFXFyt4oOlspL1MwmJf8Tw1WjT8aeCByK8SstKQ== X-Gm-Gg: ASbGncsZPC9qnOkZsWTdtS5U4Qgf5hmwcawVx1R7AJcOziobcRHiW2kr3q+F5rWIZOj FbO07zZGhJev+BQG7DpUaKFdokiCNqbH7gLKewo/XjjjjbogOlT0WDYwfnKaQ/g885j3e4QoeE3 fzVGtPPaDMFGLkUzQsf4A2XQ3i0IZX6b9EijwrR485UHBoWXmip/hgbsjbHEW/GYCl9fXI9Pa15 D4PAfcDsMNiH8IuIY4N2buJUJPLEkWBDEJVqN5RXKHemlqvK54W7W6doLqbtZkokQYJ4cCkj95b bqDMx+jiMGJ79KsfoFIn9J8RQPPUe9SNvEUeHrRrPeJsHC/kqcMU4sozJi9SUxp6VjryZvLNQbz pD3gKJ/87xvMRUsV0HZLLQ1A= X-Received: by 2002:a17:903:2b05:b0:24c:ca55:6d90 with SMTP id d9443c01a7336-2517493a0bfmr195669755ad.61.1757562096056; Wed, 10 Sep 2025 20:41:36 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHvQDQ9uOhNwBYBH4VDpBdDwefv3e3oaJPc/CzBPBFYYZmFclBHQ1LdmEcszkXBkPyeDRPZhw== X-Received: by 2002:a17:903:2b05:b0:24c:ca55:6d90 with SMTP id d9443c01a7336-2517493a0bfmr195669425ad.61.1757562095433; Wed, 10 Sep 2025 20:41:35 -0700 (PDT) Received: from hu-azarrabi-lv.qualcomm.com (Global_NAT1.qualcomm.com. [129.46.96.20]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-25c3b304f76sm2962275ad.130.2025.09.10.20.41.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Sep 2025 20:41:34 -0700 (PDT) From: Amirreza Zarrabi Date: Wed, 10 Sep 2025 20:41:20 -0700 Subject: [PATCH v11 07/11] tee: increase TEE_MAX_ARG_SIZE to 4096 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250910-qcom-tee-using-tee-ss-without-mem-obj-v11-7-520e867b3d74@oss.qualcomm.com> References: <20250910-qcom-tee-using-tee-ss-without-mem-obj-v11-0-520e867b3d74@oss.qualcomm.com> In-Reply-To: <20250910-qcom-tee-using-tee-ss-without-mem-obj-v11-0-520e867b3d74@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-Authority-Analysis: v=2.4 cv=FN4bx/os c=1 sm=1 tr=0 ts=68c244f1 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=COk6AnOGAAAA:8 a=JCP0Puskdh6qvuzBaLcA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: CVepWvzXzYvpyxguqedN169lL0ZzS5Ep X-Proofpoint-GUID: CVepWvzXzYvpyxguqedN169lL0ZzS5Ep X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTA4MDA5NCBTYWx0ZWRfX4LvFQiX4SIae JxVEiOfhL+fH1EQq+keQRg9K5wZMYFs8vGJLJkRNSFmVVOSVmTgCZqIM0CPq+SX4EL4f7jmcQ9y m8fW0qD3LdDv9b4BX1Gb87Kk98AXaPOSEMw98MavcGRebFVmE1gmY/N7hJrtxpiAJFCmUpW2aoa SXDRaXwSBiBroik2o7wS8RrWwmCyuREj4LxdRoJj6YDYGyw2GIziUZlm1WiKuJg32RY4QUPW+a1 Pz828dFnDhL7wY04dfLl3zQe/QK4yDIelH0hXA1DqeuQBPmDg9RPJC1VXZj78m3VpPQrr2DnrgT ghqOY0hursp3YOHDATWxK5Z1wlKDUhwKkLEtMi7wRXYlb6cDxO84D01xawVJ++4q+LChtz2uosy wdNKj/r9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-10_04,2025-09-10_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 clxscore=1015 phishscore=0 adultscore=0 bulkscore=0 impostorscore=0 malwarescore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509080094 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 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 =20 -#define TEE_MAX_ARG_SIZE 1024 +#define TEE_MAX_ARG_SIZE 4096 =20 #define TEE_GEN_CAP_GP (1 << 0)/* GlobalPlatform compliant TEE */ #define TEE_GEN_CAP_PRIVILEGED (1 << 1)/* Privileged device (for supplican= t) */ --=20 2.34.1