From patchwork Wed Sep 27 14:01:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joey Gouly X-Patchwork-Id: 13400939 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 615A1E80AB1 for ; Wed, 27 Sep 2023 14:20:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=lGryG93B3nqe2FCP4KJBLxJ1ZgyXaQeWDRRw8fximFs=; b=HgIkpt4I//E/zO JqGL9NTmFxMGtyjYFSxy1XQAlkccvG03PmTBzVaZkBVqCe1P0KOy0wHNCLYlXOQqolARYIW6+YbPM aXlW4Vt6kGtUfee1vOpHMP0CM+9XHIUL+TTEqkhlX6cmdyNc/IWbHN2gL3HJ1yIGzH/XrrpJ6sE5k UTGRGYj0x4dyFPXoZXyUMXLg1YakCkMp/9ic32W4Un94pxxeZudK0gBMjYkyRQwUJPt6m1yBIUyE2 CgQJjZVcFl5Jm3sug44lvLA7e+qrpa9xgmpyOFNTxgkhhlN/+b4X3YRn+rp0pWP2thNktJeCJFJOV ss+/YZi1b00or0/3RASQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qlVO3-0017VS-1j; Wed, 27 Sep 2023 14:19:35 +0000 Received: from mail-db3eur04on0600.outbound.protection.outlook.com ([2a01:111:f400:fe0c::600] helo=EUR04-DB3-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qlVO0-0017UM-1s for linux-arm-kernel@lists.infradead.org; Wed, 27 Sep 2023 14:19:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=n2cZerk0+6PXu1NQWIxDK5yc5JLsqWJDlqir/wW190w=; b=DuPWyC+ug+6tqqtcb8FyQi8GHmTo1s1UweQoatj3oAhKNBWGyl+ipcGO6RS36xEnKqZLicwMcwlZw0RK6Jfktmy758ICHgojuXA9C+qr45yfiG1CRGcujMlrtgdiqgMnYanhkjE0ZprJWcYHjKgdmaANTp8wokHTl6YOHyyjOjE= Received: from AS4P190CA0012.EURP190.PROD.OUTLOOK.COM (2603:10a6:20b:5de::12) by AM9PR08MB6002.eurprd08.prod.outlook.com (2603:10a6:20b:2d6::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6813.28; Wed, 27 Sep 2023 14:03:43 +0000 Received: from AM7EUR03FT008.eop-EUR03.prod.protection.outlook.com (2603:10a6:20b:5de:cafe::8c) by AS4P190CA0012.outlook.office365.com (2603:10a6:20b:5de::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6792.35 via Frontend Transport; Wed, 27 Sep 2023 14:03:43 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 63.35.35.123) smtp.mailfrom=arm.com; dkim=pass (signature was verified) header.d=armh.onmicrosoft.com;dmarc=pass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 63.35.35.123 as permitted sender) receiver=protection.outlook.com; client-ip=63.35.35.123; helo=64aa7808-outbound-1.mta.getcheckrecipient.com; pr=C Received: from 64aa7808-outbound-1.mta.getcheckrecipient.com (63.35.35.123) by AM7EUR03FT008.mail.protection.outlook.com (100.127.141.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6838.21 via Frontend Transport; Wed, 27 Sep 2023 14:03:43 +0000 Received: ("Tessian outbound fdf44c93bd44:v211"); Wed, 27 Sep 2023 14:03:43 +0000 X-CheckRecipientChecked: true X-CR-MTA-CID: 165230e19496bd7d X-CR-MTA-TID: 64aa7808 Received: from 5a43b32ff89b.1 by 64aa7808-outbound-1.mta.getcheckrecipient.com id 0353F5BC-0A9D-49A8-802B-8FD8647BE74C.1; Wed, 27 Sep 2023 14:01:50 +0000 Received: from EUR05-AM6-obe.outbound.protection.outlook.com by 64aa7808-outbound-1.mta.getcheckrecipient.com with ESMTPS id 5a43b32ff89b.1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384); Wed, 27 Sep 2023 14:01:49 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=lyMOyLxc3/M99D4ocLz7hhZsCLEte+wOfVYlu3KgNOJOFnAYxlMXICEGAb475HqzLKcj4KqzAohuL3PRxU2j0DZpVV4ms2e0MFTL2y7ReKBzOkYw7Xu3Gp7KxFrF03qiSxISk+K8YFbUr+lTs8PSIIzSUJL9YlgHVKfznqV15/iglRChgQalmvLvQ2o4TGholbgtmyt+qNoEfS52AjTehoAeXdkCYzXT1kecGhfRO3qmF8mIQyxEqMjSqtd5qCs5leoSrSpHeltBt56rd4PfrI3yQiJZoyx1uzyPuTyenRXb0OiSFlCAJvmhbNlzbpB+6bt39t21GIR9Ltaf65I2gQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=n2cZerk0+6PXu1NQWIxDK5yc5JLsqWJDlqir/wW190w=; b=QzHdZCI2mHe54jBuhsei15S8FyEycsFLy72ODB/vb4lIc9aHQxkJLqW6TY0l3aO67XGkOc4f21thY2BPLqHE1QEnH14EzM7bDryokh5zWhuyet77uNa7Q2xN17Hhg2LFS9i/FK6P+7y23rrhxdZRRscz2MVgci1/NjPmhc4jiOQnQz+R1uXG+vPJV7I1H8t6z3QZZZQr7rrWnqHWoMsxL1zcVy1/lgiKS3UmPDz67xS0XlmfsDNfdX6/R/lOldXUxR7IY7Mx0cHkL0wh0SOJ9zc43gftQwTQ6VzmpQOjmMmW3FdOVt2GoRYF2quUXJUnaEwjnFI+6OMLRPN74g4OKg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 40.67.248.234) smtp.rcpttodomain=lists.infradead.org smtp.mailfrom=arm.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=arm.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=n2cZerk0+6PXu1NQWIxDK5yc5JLsqWJDlqir/wW190w=; b=DuPWyC+ug+6tqqtcb8FyQi8GHmTo1s1UweQoatj3oAhKNBWGyl+ipcGO6RS36xEnKqZLicwMcwlZw0RK6Jfktmy758ICHgojuXA9C+qr45yfiG1CRGcujMlrtgdiqgMnYanhkjE0ZprJWcYHjKgdmaANTp8wokHTl6YOHyyjOjE= Received: from AM0PR07CA0007.eurprd07.prod.outlook.com (2603:10a6:208:ac::20) by PAVPR08MB9064.eurprd08.prod.outlook.com (2603:10a6:102:2ff::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6838.22; Wed, 27 Sep 2023 14:01:45 +0000 Received: from AM7EUR03FT048.eop-EUR03.prod.protection.outlook.com (2603:10a6:208:ac:cafe::6) by AM0PR07CA0007.outlook.office365.com (2603:10a6:208:ac::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6838.21 via Frontend Transport; Wed, 27 Sep 2023 14:01:45 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 40.67.248.234) smtp.mailfrom=arm.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 40.67.248.234 as permitted sender) receiver=protection.outlook.com; client-ip=40.67.248.234; helo=nebula.arm.com; pr=C Received: from nebula.arm.com (40.67.248.234) by AM7EUR03FT048.mail.protection.outlook.com (100.127.140.86) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6838.22 via Frontend Transport; Wed, 27 Sep 2023 14:01:45 +0000 Received: from AZ-NEU-EX03.Arm.com (10.251.24.31) by AZ-NEU-EX04.Arm.com (10.251.24.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Wed, 27 Sep 2023 14:01:35 +0000 Received: from e124191.cambridge.arm.com (10.1.197.45) by mail.arm.com (10.251.24.31) with Microsoft SMTP Server id 15.1.2507.27 via Frontend Transport; Wed, 27 Sep 2023 14:01:35 +0000 From: Joey Gouly To: CC: , , , , , , , , , , , , , Subject: [PATCH v1 03/20] arm64: cpufeature: add Permission Overlay Extension cpucap Date: Wed, 27 Sep 2023 15:01:06 +0100 Message-ID: <20230927140123.5283-4-joey.gouly@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230927140123.5283-1-joey.gouly@arm.com> References: <20230927140123.5283-1-joey.gouly@arm.com> MIME-Version: 1.0 X-EOPAttributedMessage: 1 X-MS-TrafficTypeDiagnostic: AM7EUR03FT048:EE_|PAVPR08MB9064:EE_|AM7EUR03FT008:EE_|AM9PR08MB6002:EE_ X-MS-Office365-Filtering-Correlation-Id: ad01e24a-6ff9-419b-f148-08dbbf628f65 x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:40.67.248.234;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:nebula.arm.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(136003)(39860400002)(346002)(396003)(376002)(230922051799003)(1800799009)(186009)(451199024)(82310400011)(40470700004)(46966006)(36840700001)(40460700003)(2906002)(1076003)(7696005)(86362001)(36756003)(6666004)(2616005)(478600001)(426003)(336012)(26005)(40480700001)(47076005)(41300700001)(44832011)(36860700001)(8936002)(8676002)(4326008)(316002)(6916009)(54906003)(5660300002)(70586007)(70206006)(7416002)(81166007)(356005)(82740400003)(36900700001);DIR:OUT;SFP:1101; X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAVPR08MB9064 X-MS-Exchange-Transport-CrossTenantHeadersStripped: AM7EUR03FT008.eop-EUR03.prod.protection.outlook.com X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id-Prvs: 94c6da0f-addd-45cb-c5f8-08dbbf6248b4 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:63.35.35.123;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:64aa7808-outbound-1.mta.getcheckrecipient.com;PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com;CAT:NONE;SFS:(13230031)(4636009)(136003)(346002)(39860400002)(376002)(396003)(230922051799003)(451199024)(82310400011)(186009)(1800799009)(46966006)(40470700004)(36840700001)(40460700003)(336012)(70586007)(5660300002)(316002)(6916009)(54906003)(44832011)(40480700001)(41300700001)(8676002)(8936002)(36756003)(2616005)(70206006)(4326008)(86362001)(1076003)(6666004)(426003)(7696005)(107886003)(82740400003)(26005)(81166007)(2906002)(36860700001)(47076005)(478600001);DIR:OUT;SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Sep 2023 14:03:43.5330 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ad01e24a-6ff9-419b-f148-08dbbf628f65 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM7EUR03FT008.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM9PR08MB6002 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230927_071932_623117_4D6AA6E5 X-CRM114-Status: GOOD ( 10.86 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This indicates if the system supports POE. This is a CPUCAP_BOOT_CPU_FEATURE as the boot CPU will enable POE if it has it, so secondary CPUs must also have this feature. Signed-off-by: Joey Gouly Cc: Catalin Marinas Cc: Will Deacon --- arch/arm64/kernel/cpufeature.c | 7 +++++++ arch/arm64/tools/cpucaps | 1 + 2 files changed, 8 insertions(+) diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 444a73c2e638..902885f59396 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -2719,6 +2719,13 @@ static const struct arm64_cpu_capabilities arm64_features[] = { .matches = has_cpuid_feature, ARM64_CPUID_FIELDS(ID_AA64MMFR2_EL1, EVT, IMP) }, + { + .desc = "Stage-1 Permission Overlay Extension (S1POE)", + .capability = ARM64_HAS_S1POE, + .type = ARM64_CPUCAP_BOOT_CPU_FEATURE, + .matches = has_cpuid_feature, + ARM64_CPUID_FIELDS(ID_AA64MMFR3_EL1, S1POE, IMP) + }, {}, }; diff --git a/arch/arm64/tools/cpucaps b/arch/arm64/tools/cpucaps index c3f06fdef609..b8348e40f6d9 100644 --- a/arch/arm64/tools/cpucaps +++ b/arch/arm64/tools/cpucaps @@ -43,6 +43,7 @@ HAS_NO_FPSIMD HAS_NO_HW_PREFETCH HAS_PAN HAS_S1PIE +HAS_S1POE HAS_RAS_EXTN HAS_RNG HAS_SB