From patchwork Tue Jan 17 08:58:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 13104343 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E23ECC63797 for ; Tue, 17 Jan 2023 09:00:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236225AbjAQJAW (ORCPT ); Tue, 17 Jan 2023 04:00:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235797AbjAQI7b (ORCPT ); Tue, 17 Jan 2023 03:59:31 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3412193EC; Tue, 17 Jan 2023 00:59:26 -0800 (PST) Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30H86H3j018599; Tue, 17 Jan 2023 08:59:12 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=jJhJij9nUxCMWiqlpsHqUWoWUBgvJck2BWFm6vGyI0o=; b=YJXSpLtweYzt8pnRNyAuBT8asZdI9lffTH6nnaUiKVG6Dfibmv4Ot1EP3tnj0wsNmDgb QvK++eFxql9JoaFb0IvJstiUfGYbE5oeWye3eoHgy8c/RN7fR2q0fKsOB5wgow4gi1uo ZVqlHtAYI9YhtzH+UrR9sl3MMN1QyLsrGdGOEQ+Hsc1EWm+pDJD4g0yCBWaHI0gIfILA UI7n/qkGcLr7ZZEJQmSPhbG/eB6SVbvIVDkFCo/Iw+1abB2IZQthARR2eLR112cdvo1u 9wTnJy5W2jop67kLjblLnTovpZynN3qAS7NkHP5IdT3fIhxUYe2pwuA1H8x5Wqurt9Zm lQ== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3n3mg3d411-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Jan 2023 08:59:12 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 30H8xAmN007601 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Jan 2023 08:59:10 GMT Received: from blr-ubuntu-87.ap.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Tue, 17 Jan 2023 00:59:06 -0800 From: Sibi Sankar To: , CC: , , , , , , , , , , , , , Sibi Sankar Subject: [PATCH V4 02/11] dt-bindings: remoteproc: qcom,msm8996-mss-pil: Update memory region Date: Tue, 17 Jan 2023 14:28:31 +0530 Message-ID: <20230117085840.32356-3-quic_sibis@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230117085840.32356-1-quic_sibis@quicinc.com> References: <20230117085840.32356-1-quic_sibis@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: xDFiWnsmHUulND_23bQQhNW66n1EVCVT X-Proofpoint-GUID: xDFiWnsmHUulND_23bQQhNW66n1EVCVT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.923,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-17_04,2023-01-13_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 malwarescore=0 phishscore=0 suspectscore=0 clxscore=1015 impostorscore=0 bulkscore=0 mlxscore=0 spamscore=0 mlxlogscore=999 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301170074 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The dynamic memory region used for metadata authentication would still be a part of the kernel mapping and any access to this region by the application processor after assigning it to the remote Q6 will result in a XPU violation. This is fixed by using a no-map carveout instead. Update the bindings to reflect the addition of the new modem metadata carveout on MSM8996 (and similar) SoCs. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Sibi Sankar --- v4: * Pickup R-b v3: * add blank lines and additionalProperties: false to mdata objects [Krzysztof] .../remoteproc/qcom,msm8996-mss-pil.yaml | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml index 1aa5e5c7c2bd..c1ac6ca1e759 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml +++ b/Documentation/devicetree/bindings/remoteproc/qcom,msm8996-mss-pil.yaml @@ -122,6 +122,7 @@ properties: items: - description: MBA reserved region - description: Modem reserved region + - description: Metadata reserved region firmware-name: $ref: /schemas/types.yaml#/definitions/string-array @@ -172,6 +173,20 @@ properties: additionalProperties: false deprecated: true + metadata: + type: object + description: + Metadata reserved region + + properties: + memory-region: true + + required: + - memory-region + + additionalProperties: false + deprecated: true + required: - compatible - reg @@ -313,6 +328,7 @@ allOf: - required: - mba - mpss + - metadata additionalProperties: false @@ -355,7 +371,7 @@ examples: <&rpmhpd SDM845_MSS>; power-domain-names = "cx", "mx", "mss"; - memory-region = <&mba_mem>, <&mpss_mem>; + memory-region = <&mba_mem>, <&mpss_mem>, <&mdata_mem>; resets = <&aoss_reset AOSS_CC_MSS_RESTART>, <&pdc_reset PDC_MODEM_SYNC_RESET>;