From patchwork Mon Jul 24 20:02:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brijesh Singh X-Patchwork-Id: 9860315 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E25D160349 for ; Mon, 24 Jul 2017 20:10:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D4C5F28174 for ; Mon, 24 Jul 2017 20:10:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C98B8285AA; Mon, 24 Jul 2017 20:10:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 46E9828174 for ; Mon, 24 Jul 2017 20:10:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754008AbdGXUJ6 (ORCPT ); Mon, 24 Jul 2017 16:09:58 -0400 Received: from mail-by2nam01on0071.outbound.protection.outlook.com ([104.47.34.71]:28576 "EHLO NAM01-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753290AbdGXUHI (ORCPT ); Mon, 24 Jul 2017 16:07:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector1-amd-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=Jz6xybHB411sXXlHDF3vNr68y60ISq9DkocDP4yCeQU=; b=J/zw4XKdRd8CNsYPL3n3N+wHyrfoj2xkU3/HIOoKSYRGgmDMV+RujNZ28SNq0pe1OOEpwTwoVZ4gUWfCQFKEP8rxTtVUGFtmwoEVHl8lJoA2BqRpgzYPJkRTdq05cDPVNjhkV/dzynVI0zpHEQ29JlZ1XFsTbllcWIRswKRxXDQ= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=brijesh.singh@amd.com; Received: from ubuntu-010236106000.amd.com (165.204.78.1) by BY2PR12MB0145.namprd12.prod.outlook.com (10.162.82.18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1282.10; Mon, 24 Jul 2017 20:03:41 +0000 From: Brijesh Singh To: linux-kernel@vger.kernel.org, x86@kernel.org, kvm@vger.kernel.org Cc: Thomas Gleixner , Borislav Petkov , Joerg Roedel , "Michael S . Tsirkin" , Paolo Bonzini , =?UTF-8?q?=5C=22Radim=20Kr=C4=8Dm=C3=A1=C5=99=5C=22?= , Tom Lendacky , Brijesh Singh Subject: [RFC Part2 PATCH v3 17/26] KVM: SVM: Add support for SEV LAUNCH_MEASURE command Date: Mon, 24 Jul 2017 15:02:54 -0500 Message-Id: <20170724200303.12197-18-brijesh.singh@amd.com> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170724200303.12197-1-brijesh.singh@amd.com> References: <20170724200303.12197-1-brijesh.singh@amd.com> MIME-Version: 1.0 X-Originating-IP: [165.204.78.1] X-ClientProxiedBy: DM3PR12CA0049.namprd12.prod.outlook.com (10.161.151.17) To BY2PR12MB0145.namprd12.prod.outlook.com (10.162.82.18) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ef9e0194-259c-4ef3-9d10-08d4d2cf157a X-MS-Office365-Filtering-HT: Tenant X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(300000500095)(300135000095)(300000501095)(300135300095)(22001)(300000502095)(300135100095)(48565401081)(300000503095)(300135400095)(201703131423075)(201703031133081)(300000504095)(300135200095)(300000505095)(300135600095)(300000506095)(300135500095); SRVR:BY2PR12MB0145; X-Microsoft-Exchange-Diagnostics: 1; BY2PR12MB0145; 3: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 X-MS-TrafficTypeDiagnostic: BY2PR12MB0145: X-Microsoft-Exchange-Diagnostics: 1; BY2PR12MB0145; 25: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 SM= X-Microsoft-Exchange-Diagnostics: 1; BY2PR12MB0145; 31: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 X-Microsoft-Exchange-Diagnostics: 1; BY2PR12MB0145; 20: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 X-Exchange-Antispam-Report-Test: UriScan:(767451399110); X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(6040450)(601004)(2401047)(5005006)(8121501046)(3002001)(93006095)(93001095)(100000703101)(100105400095)(10201501046)(6055026)(6041248)(20161123562025)(20161123558100)(201703131423075)(201702281528075)(201703061421075)(201703061406153)(20161123560025)(20161123564025)(20161123555025)(6072148)(100000704101)(100105200095)(100000705101)(100105500095); SRVR:BY2PR12MB0145; BCL:0; PCL:0; RULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(100000804101)(100110200095)(100000805101)(100110500095); SRVR:BY2PR12MB0145; X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; BY2PR12MB0145; 4:HiUt+GlsG3w4hBd5fh7ViVHzUDshVPVFwr7mLb9WeK?= =?us-ascii?Q?3vqrK4FNLPaD25T4hl4yDn4EERn60MqB9r52JXS+PwWKpFZz0alIVeECLmiN?= =?us-ascii?Q?u1/FhM5D+HhHeTPvxxKdfbnuYMj0o9Tl1FlmwfAwif/V9W68AF9azSPg8oJp?= =?us-ascii?Q?q8ZUs5JiYC+6DXvYk1FgTWwAZW79d7fhp5vqQkitSTL9JgE2VYJFvT7EEWnY?= =?us-ascii?Q?r/svqXvY5pfM0vuQSkNYrcD0MrmJ+3HMag54IO+l3VFgbx5HjgEOH3VomANW?= =?us-ascii?Q?FtKs+dnSttLK6oAe3DDv0tgtXlSMuYB8qj0h3hk/rIdH8iKsZmQ29FyvYxW1?= =?us-ascii?Q?HOs6JUzxmXG6ddOvmEIkYhUtr0o2iel7tZbdb0Sk98iwOsx8XJVc2uRKOuls?= =?us-ascii?Q?NtH+JcBtKTS9kjrA0d3CVsxzN59+JtN7zn2qGqYJfgPB/BVxtt5iGvZalqj0?= =?us-ascii?Q?F7X6QGzvpvCHjlrWRZspypjr3PvqF5PaaNqe9nrRlE9Y8M9pEDmInjn3nyMi?= =?us-ascii?Q?p7MDTWp5uV4OEPwRMKKqEH6fZMQpRiaHV5tmcLWIlZx5gOTntBq7REyKUVeY?= =?us-ascii?Q?Oei9tAAtqM29TOgMU5sYnYEMlw5RFpkwIPrPeVoMZUhQEwMM8wxr5fqOuBZb?= =?us-ascii?Q?d0yP/bp22mZWmv83s/LMzHh08BAxdtU2tvjB9TrBw9BNfkK5eTOFk/nj8f3u?= =?us-ascii?Q?be7HA5p/AFyxRQXxCxXxff42btDHfgBAKCpqMRv09T3YCw0vRiyFjYOX+CoG?= =?us-ascii?Q?0MdJbf7UKPFhtDEK3wneOlWEa/P/87/rt+J8HSiG9FYp8O5zniQ2mvo2mkC8?= =?us-ascii?Q?Df9AJkZjFa29amQkr3ROLtxdFcxnG5WsYL6GEBY7gLyQt7cBmxKQcAfzVPot?= =?us-ascii?Q?aZjlFNBy25W/N0sY/JpL7T6xKvjLlPQBLVji43kRTHQpL4FzclE+MlXyED2h?= =?us-ascii?Q?lIKBWYr5JVMJjVg64t1b0pIEcCDF/LgHDMchlY6+1HtGBgUzZlm8JRiYA4to?= =?us-ascii?Q?so3BI+aIe3waC+CTYsZSXqAGkByG6g3/redZiCmoRJlenrKlX9BpeZ0MArTE?= =?us-ascii?Q?2LK/9ltiyezAtD/Fdp5/B0WvaQPC2yRXT37cyUXm1WydozdvYd2S2xpeGETX?= =?us-ascii?Q?s4ICJfKnfJjeifz5FMPUIWlSfai2+TAeqmFcM8MjsSX8a2DMXvCafctNWF6E?= =?us-ascii?Q?ledD9whglrt9VnVWLaq4ITHyZLo+sk1DId?= X-Forefront-PRVS: 0378F1E47A X-Forefront-Antispam-Report: SFV:NSPM; SFS:(10009020)(4630300001)(7370300001)(6009001)(39450400003)(39410400002)(39400400002)(39850400002)(39860400002)(39840400002)(189002)(199003)(7350300001)(68736007)(53416004)(105586002)(54906002)(97736004)(50466002)(6486002)(48376002)(2906002)(106356001)(33646002)(6116002)(1076002)(53936002)(3846002)(189998001)(101416001)(6666003)(2950100002)(478600001)(50986999)(76176999)(81156014)(50226002)(38730400002)(47776003)(5003940100001)(86362001)(25786009)(4326008)(36756003)(42186005)(8676002)(81166006)(110136004)(5660300001)(66066001)(7736002)(305945005); DIR:OUT; SFP:1101; SCL:1; SRVR:BY2PR12MB0145; H:ubuntu-010236106000.amd.com; FPR:; SPF:None; PTR:InfoNoRecords; MX:1; A:1; LANG:en; Received-SPF: None (protection.outlook.com: amd.com does not designate permitted sender hosts) X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; BY2PR12MB0145; 23:RM59ON09Tgvh4jgWhOsE9iuP3vJxb+ze4DJKyjmZm?= =?us-ascii?Q?aP1b23/Kb+jR/LKsrfsK5E8uOTsagH9+4cLbEzC0CMJHRJv1grqJwGnxwm50?= =?us-ascii?Q?ANCRdvF2Hdm2j4CXsppD7WBCW9rU26CXAQlZtfimDbiQEWPvXrAkUfAB6X3P?= =?us-ascii?Q?p67poze7OnsoGxS49TFmMMyJKBTb5GjD2SCs/df+u31UkF4Ngk1lgi7Fzhb0?= =?us-ascii?Q?M93p9dJRmrFNYDvM3jpBVU+h2J9VUU6ZhlqCgyP9s89QfcM2pTJjphlnJkcb?= =?us-ascii?Q?wtSv4TgB4iBCDfmeoe/dNa2tJRk1mMnTVb9i/W3/cmL9R/YdqaMTWTF84aD8?= =?us-ascii?Q?DUboymeXh25YdQxN5asiGaXJjbdqt/DEzE/Lx+vQEojJJ2L2HoE7oOZnFWUH?= =?us-ascii?Q?LKWT2vk3ZyR0Q0wr8nDoT7wjKyZCRJXLlh05XcyMADTDbmvUOPe3Gmg0pJoL?= =?us-ascii?Q?bLYgVChMjc6gtVg+fltg55iRU7jx+vHS6oRCkPJBptdATWEJBv4JE55bDJH1?= =?us-ascii?Q?pdlo+D52zvuhdCrOZKljkTonh4Q4unuCdfItwSKwpAy3Aa2Z7okEMaiKhdTI?= =?us-ascii?Q?KgH9mx9IpQm3Qg2Tk1oOBBLo+A2+wjfEahx6OPFOeRDTIEKorC3EOHthS8c5?= =?us-ascii?Q?S2s39mNt0pToPUApNtjdUbT5MUtU16masC5NAUd5/mCnj471NoqMWqUssRN5?= =?us-ascii?Q?WzvWjlpReYksPloAa7LQX5p/gpsWUJe/xfROF8y0cIdrDuaAsK023+D/7xu1?= =?us-ascii?Q?2KrGvmgIT9sElccHheSQt049DR8/Qb0L3fNSswi8DOfv6PuYnGvLkd3ua8l8?= =?us-ascii?Q?3cpb2TBMnIsz6gXyy73xSCCRnedQwCID//gC08qlcURXesnCNbpuQ+p1oVZ6?= =?us-ascii?Q?8BLhp2ROs5w3MjvmX9QsL1IZgdRgdGQ1e3DlPO1Y7413eCMfNG3aWAiX2bFy?= =?us-ascii?Q?tdXW2vWdZ9h8ulcVlft3Q3E/vYhxYgVvEfAwP+p3wxNGGWX0Cb3nxRIlWYxb?= =?us-ascii?Q?fjA+jNrAs+fjeeQtoXBXViSKjeN38wuGAWAUhA904onXbloqwV46QJCEuFCf?= =?us-ascii?Q?Je4QPUMNTF/BNxRVTLC7wxOQubxvpGiP0YkkaDzZ5YPvFsxb0UcV19fhFgCB?= =?us-ascii?Q?Odzz6usf4ntlYi6NO9iYKMj8MjdCFt83Cok+kYA+CBIZoz9GehiwLBWpi2zv?= =?us-ascii?Q?X92+LTbEpvpfxjtFZADBgN75oG0Cpp7aCfnLkZcXbS4rMBq1jFBpzv1QGN68?= =?us-ascii?Q?kp7HI/tzJ5coRLsdXovmlwgmKwwt5iSqghyH72i?= X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; BY2PR12MB0145; 6:RX92pwjLypFQpK9E8VanYRhgRHyAsWjBSw6v0v2H6N?= =?us-ascii?Q?zGjmuo+oz99/xEkjOLUVEPyXcN9yeRh8qEdVZckt146PJw7Jl9TqPkqJ/tHl?= =?us-ascii?Q?ShAvce+0to+I+9L2kWD4cC8Nx5DkbCiYdIQKjkIc8+o6GuNa1Vk2Wr5mhcok?= =?us-ascii?Q?Hn2XFGorXhCfioin7x6LXQhNTcRLf2QY4rw/Q2Imfq1SnIsyhtvycD8uk0F1?= =?us-ascii?Q?+EO2VBi+lqOOyuBwPtAMB7TrnpIKFYIiLn+ksc9qgrXU6ffr9sLJmgr5fd8L?= =?us-ascii?Q?Neoygzy2bjNYsDFyjldY7T7/nikgEPCp0HSQTMRad5IuL3pgFsgWqA4nlQSn?= =?us-ascii?Q?S1lNnpo2rCFR2BHZoAIs92MhZFVcDOQWP134wGuotgDnREZzYn4KZK+3QDbn?= =?us-ascii?Q?r20N5mwDbAteVbpbRQDfhXACkKM5dc4QQFyiQpPE1OJwS8/CMUoTQuVjy2Ui?= =?us-ascii?Q?aj9ZD8YGXpBYunmlozh2+PmeKYs7xBUufnZsPQ2GjhdJQd3TG2UuFfE69RGN?= =?us-ascii?Q?+nNz0OnkjfECs5BbpOcZGkaYQdvZCDaYCL+JcP8iPimQss4raN3vGwnbwKLO?= =?us-ascii?Q?BUUbb20+7ayZuJiFv7N0Qo14GEIsPoovj7VGrNTqlvD4pi29ZEiUn2vs92SM?= =?us-ascii?Q?M33p5RhlKDNzAb+5jl1hv8MN7L1rRTDMUsJ5cqWBCVWUF0St2Nh75qjwcnDW?= =?us-ascii?Q?TKN70+SOFfeqdvcWrlnmbwKSfSD6g2QNZKMqX/AX8CpKz9l9/16ahM3XQzhc?= =?us-ascii?Q?beb22gSDpjAEBu2VMBfCYUTaXE/VNzJaqxqpZulhDXEcIGXhyw3mfIPE7wuh?= =?us-ascii?Q?HrLuU4p34VdBkeChaoUwYb/wxFSrOwohsEIpkwkzMfM6LJttraMO4OouJNeC?= =?us-ascii?Q?6i3rnPtKAs0bvmHXuCPqMOqQ5PCchvDkSQajVIhQs4woUDGM+HEEqcgYQ+7k?= =?us-ascii?Q?eLbJGx3kY+B4IVyvo1ETJBlJDduIGYVV9bKwflFrBRsvbYTNbymM+RFl/2cg?= =?us-ascii?Q?oTyj8rjx2VAxyYBim2ZvP6?= X-Microsoft-Exchange-Diagnostics: 1; BY2PR12MB0145; 5:uOiWPgAlNciCA1Us/iEwxiy2yC13ZEqiraxIhUbMk8pDwoPQH4X0OJ7orq7bidJiMjg1UiipHM6tT0sXOOIz4XXV0aHr2X52rik5C9QQT2UmNDNpqDfh8Hu23FaNRCWXF9cr1jtIvm7ilAWL6hHuw/COtqkpeUtfsBV2GW7XIoQkC3y5xUrhE+GzUFBVnY8K5yBIPpn0qSLEXdaw8SVWfQUyt9KI7s0OSWAra4j7Vphq2W7ZlFRzeGYIoaS2GHr5Mg5Kvi8+s7F4KuyhBjOLMMwoUIUwuPQbShNZ5LVVYKjfzeCmCdRSt96e6HPZ6OvGv/b3EcISvMKbYSN/k6w4dEHv8DSS4dcdnFhUKNn6Ezfih2um1wS2SYm8n6R7XJ5mVkuPQz0fhPPflMsqSCtCzRVBopRB0Scs5volYtACFkHjmwBw970vnhrMggREmBSOK2vBFDhIqWNe1SWvA1QWkn6Z0eDaK8uNLTp1N49UCMrwSjoEm0cee0P6R2xXQ1Ha; 24:N3AerBvEUXf02l+InfMJdqEdZRjxBA9mJNkprttW8I3C9LwNJhGNSaoWzZSqhPhySIqbo5OJLvtLnIwOmgJyy4gQ3QRlgxx0IfUP+MxMTAY= SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-Microsoft-Exchange-Diagnostics: 1; BY2PR12MB0145; 7: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 X-Microsoft-Exchange-Diagnostics: 1; BY2PR12MB0145; 20:/Dv7hqNVSf1g/7m1HtLw19BNhdzYaMloogh2DYiKhRtq/GucwiDKTWDgkenFIve1XXpvU5JNAga2tiR6SPAyWRjeS6VYIFz+uDA1pR03zHNC9lcSiEpm3qP2wrM6r4G8fd+D47a4Fk3+xNpXNhAFdYEy8VmZZi6jN3teM5kb2FKhbzhPix7wAZF1xfhFDEzKjJ1ylu+doHGocpg0LfXPxlNnDoCBcvd2aE7KVtl9rfsDu7qu4yKZvHbmcujfiWPx X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Jul 2017 20:03:41.6971 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY2PR12MB0145 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The command is used to retrieve the measurement of memory encrypted through the LAUNCH_UPDATE_DATA command. This measurement can be used for attestation purposes. Signed-off-by: Brijesh Singh --- arch/x86/kvm/svm.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 91b070f..9b672eb 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -5957,6 +5957,54 @@ static int sev_launch_update_data(struct kvm *kvm, struct kvm_sev_cmd *argp) return ret; } +static int sev_launch_measure(struct kvm *kvm, struct kvm_sev_cmd *argp) +{ + struct sev_data_launch_measure *data = NULL; + struct kvm_sev_launch_measure params; + void *addr = NULL; + int ret; + + if (!sev_guest(kvm)) + return -ENOTTY; + + if (copy_from_user(¶ms, (void *)argp->data, + sizeof(struct kvm_sev_launch_measure))) + return -EFAULT; + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + if (params.address && params.length) { + ret = -EFAULT; + addr = kzalloc(params.length, GFP_KERNEL); + if (!addr) + goto e_free; + data->address = __psp_pa(addr); + data->length = params.length; + } + + data->handle = sev_get_handle(kvm); + ret = sev_issue_cmd(kvm, SEV_CMD_LAUNCH_MEASURE, data, &argp->error); + + /* copy the measurement to userspace */ + if (addr && + copy_to_user((void *)params.address, addr, params.length)) { + ret = -EFAULT; + goto e_free; + } + + params.length = data->length; + if (copy_to_user((void *)argp->data, ¶ms, + sizeof(struct kvm_sev_launch_measure))) + ret = -EFAULT; + +e_free: + kfree(addr); + kfree(data); + return ret; +} + static int svm_memory_encryption_op(struct kvm *kvm, void __user *argp) { struct kvm_sev_cmd sev_cmd; @@ -5980,6 +6028,10 @@ static int svm_memory_encryption_op(struct kvm *kvm, void __user *argp) r = sev_launch_update_data(kvm, &sev_cmd); break; } + case KVM_SEV_LAUNCH_MEASURE: { + r = sev_launch_measure(kvm, &sev_cmd); + break; + } default: break; }