From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CADF4C433E4 for ; Tue, 28 Jul 2020 23:38:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A4459207FC for ; Tue, 28 Jul 2020 23:38:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amdcloud.onmicrosoft.com header.i=@amdcloud.onmicrosoft.com header.b="VV4nb22D" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730696AbgG1Xif (ORCPT ); Tue, 28 Jul 2020 19:38:35 -0400 Received: from mail-bn8nam11on2041.outbound.protection.outlook.com ([40.107.236.41]:42944 "EHLO NAM11-BN8-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730282AbgG1Xib (ORCPT ); Tue, 28 Jul 2020 19:38:31 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=D0F0qK4MXTrk2n5LFVTVi7eXgAM2+rS7ootOVEAeG9mtBlVgeBpMq3U5zKJl3HLDYmk/fhLJwyMuT9Ny6e3M259lIOrVbtAflrK9undQqovESYC2rS40EKVCgUyFXHyCuNT2a/OlKA2skA3TnjzqID98x72GP7roORB9DZ6ZOhA6nGVs1szsNZro+3+fKlvfxdL86JY6ALDhG69FVlOiR05aTC4RZGTFm6NvnGkY7v/DvIR1/uBJB4J/Xeulo9NV4N8rXFGU0LbrhHQg0PBGDMEwk2SrEbD8W9jWqeAzTgoA/zZaYj0UNPt7miffgFATMKDxdb6pjjlvhSMKOazJKw== 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-SenderADCheck; bh=wi62rILaWEuAOBwppvMTee2rVhGUjSHrpiqACH33Zpo=; b=mLXRz5aFBiI6+Y5vgfLtjLDqconO6k+t3TZr2/8NDEzScHjrxBfPsBosIlnuxHzEuY8rS8ZjDU5La83tf0yKmB3WcOmeIHQ2hFPAM0K4yKD1ieKFJBTu6o00ZYgPeyPS3HP75m8iO1yo1HdE5Kx+rforsyCbA2eEhvGUeSQtKclYr+e6uLB0BtktNlmdx+lxpA4XS3cOeOtA1sD7pflp9V70zRWsy1mZ0aieUUegbZ1q6RON6Lo8gTBzNLN0eFzQolQUMbVj114j0QfaDlTgv5YOTGqfDpCEYh4r9gdW43DvmaKOtOXYAaU//oVO2lu60W5LmlqntRbbzJekENQkwg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector2-amdcloud-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=wi62rILaWEuAOBwppvMTee2rVhGUjSHrpiqACH33Zpo=; b=VV4nb22DoUr6QRlnUQxW4bb4gpVwzmn95+Tmo7NLISd2i/hhC//RTDM0Je0sIN3SvgK3WfAKdz167fOulHpFSee5bavgY+gNJbarzssuStuJPthwdPn97NsTBCUKv9g9qaw/HkGVpxAVvLph7ub1J9mokqX00hGDOQkZa0kMXVo= Authentication-Results: tencent.com; dkim=none (message not signed) header.d=none;tencent.com; dmarc=none action=none header.from=amd.com; Received: from SN1PR12MB2560.namprd12.prod.outlook.com (2603:10b6:802:26::19) by SN1PR12MB2559.namprd12.prod.outlook.com (2603:10b6:802:29::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3239.16; Tue, 28 Jul 2020 23:38:28 +0000 Received: from SN1PR12MB2560.namprd12.prod.outlook.com ([fe80::691c:c75:7cc2:7f2c]) by SN1PR12MB2560.namprd12.prod.outlook.com ([fe80::691c:c75:7cc2:7f2c%6]) with mapi id 15.20.3216.033; Tue, 28 Jul 2020 23:38:28 +0000 Subject: [PATCH v3 06/11] KVM: SVM: Add new intercept vector in vmcb_control_area From: Babu Moger To: pbonzini@redhat.com, vkuznets@redhat.com, wanpengli@tencent.com, sean.j.christopherson@intel.com, jmattson@google.com Cc: kvm@vger.kernel.org, joro@8bytes.org, x86@kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, tglx@linutronix.de Date: Tue, 28 Jul 2020 18:38:26 -0500 Message-ID: <159597950612.12744.7213388116029286561.stgit@bmoger-ubuntu> In-Reply-To: <159597929496.12744.14654593948763926416.stgit@bmoger-ubuntu> References: <159597929496.12744.14654593948763926416.stgit@bmoger-ubuntu> User-Agent: StGit/0.17.1-dirty Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-ClientProxiedBy: SN4PR0201CA0039.namprd02.prod.outlook.com (2603:10b6:803:2e::25) To SN1PR12MB2560.namprd12.prod.outlook.com (2603:10b6:802:26::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [127.0.1.1] (165.204.77.1) by SN4PR0201CA0039.namprd02.prod.outlook.com (2603:10b6:803:2e::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3216.23 via Frontend Transport; Tue, 28 Jul 2020 23:38:27 +0000 X-Originating-IP: [165.204.77.1] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: e0ef879e-9e05-4c8b-b1fe-08d8334f5442 X-MS-TrafficTypeDiagnostic: SN1PR12MB2559: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: Uhtohiv4sjCdCAejCHEIbUL7kV9CCtxD2AWAofApY3YxDipsAAGk14yDUo8+Ap83T56KLPIS36i3v8Q7Pw1I8FYjuV+QHr51wZkSCyrZLyx/GI/e3IUo5FN2SkCk22DPBHd+wJz2/0gpLogYTrJrWpDOBKuPz+bByPuFOpJQluvlOIVSXwICYP1G65B1n/BK6FJYV715fGjsZvQURFePqTN2RSQyVSbYGRdoaeTfpB8IdMwmkrn+1ThZdLQeMZHg5EhCVOFXlwjQLNGrm8NW8SukiNyB5ZCIOkaY8FLyRmOFBbr80HpSeSnoALONMwQFpZe98XgZ0dFywUaPPIrLIxL28SvSwVpm9dgCFRJ4ohwj6q0y+BOaimuG+HUgrm2uXfGxLI6/zcOKjWXhdD5jrA== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SN1PR12MB2560.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFTY:;SFS:(7916004)(4636009)(136003)(346002)(376002)(396003)(366004)(39860400002)(66946007)(66476007)(5660300002)(7416002)(316002)(478600001)(6486002)(16576012)(66556008)(2906002)(966005)(103116003)(83380400001)(86362001)(9686003)(8936002)(16526019)(8676002)(26005)(186003)(956004)(52116002)(44832011)(33716001)(4326008);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: e0ef879e-9e05-4c8b-b1fe-08d8334f5442 X-MS-Exchange-CrossTenant-AuthSource: SN1PR12MB2560.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jul 2020 23:38:28.4743 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: rnd3ld+D1M9l+jzYs2Ny7GDLaCXqXtCVv2Lmvgwp/1gvyVFQjxdLj0hyzcimprPq X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN1PR12MB2559 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The new intercept bits have been added in vmcb control area to support few more interceptions. Here are the some of them. - INTERCEPT_INVLPGB, - INTERCEPT_INVLPGB_ILLEGAL, - INTERCEPT_INVPCID, - INTERCEPT_MCOMMIT, - INTERCEPT_TLBSYNC, Add new intercept vector in vmcb_control_area to support these instructions. Also update kvm_nested_vmrun trace function to support the new addition. AMD documentation for these instructions is available at "AMD64 Architecture Programmer’s Manual Volume 2: System Programming, Pub. 24593 Rev. 3.34(or later)" The documentation can be obtained at the links below: Link: https://www.amd.com/system/files/TechDocs/24593.pdf Link: https://bugzilla.kernel.org/show_bug.cgi?id=206537 Signed-off-by: Babu Moger --- arch/x86/include/asm/svm.h | 7 +++++++ arch/x86/kvm/svm/nested.c | 3 ++- arch/x86/kvm/trace.h | 13 ++++++++----- 3 files changed, 17 insertions(+), 6 deletions(-) diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h index aa9f1d62db29..75cbcfb81332 100644 --- a/arch/x86/include/asm/svm.h +++ b/arch/x86/include/asm/svm.h @@ -16,6 +16,7 @@ enum vector_offset { EXCEPTION_VECTOR, INTERCEPT_VECTOR_3, INTERCEPT_VECTOR_4, + INTERCEPT_VECTOR_5, MAX_VECTORS, }; @@ -124,6 +125,12 @@ enum { INTERCEPT_MWAIT_COND, INTERCEPT_XSETBV, INTERCEPT_RDPRU, + /* Byte offset 014h (Vector 5) */ + INTERCEPT_INVLPGB = 160, + INTERCEPT_INVLPGB_ILLEGAL, + INTERCEPT_INVPCID, + INTERCEPT_MCOMMIT, + INTERCEPT_TLBSYNC, }; diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index d2552de42fb1..b0e47f474bb6 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -432,7 +432,8 @@ int nested_svm_vmrun(struct vcpu_svm *svm) nested_vmcb->control.intercepts[CR_VECTOR] >> 16, nested_vmcb->control.intercepts[EXCEPTION_VECTOR], nested_vmcb->control.intercepts[INTERCEPT_VECTOR_3], - nested_vmcb->control.intercepts[INTERCEPT_VECTOR_4]); + nested_vmcb->control.intercepts[INTERCEPT_VECTOR_4], + nested_vmcb->control.intercepts[INTERCEPT_VECTOR_5]); /* Clear internal status */ kvm_clear_exception_queue(&svm->vcpu); diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index 6e7262229e6a..11046171b5d9 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -544,9 +544,10 @@ TRACE_EVENT(kvm_nested_vmrun, ); TRACE_EVENT(kvm_nested_intercepts, - TP_PROTO(__u16 cr_read, __u16 cr_write, __u32 exceptions, __u32 intercept1, - __u32 intercept2), - TP_ARGS(cr_read, cr_write, exceptions, intercept1, intercept2), + TP_PROTO(__u16 cr_read, __u16 cr_write, __u32 exceptions, + __u32 intercept1, __u32 intercept2, __u32 intercept3), + TP_ARGS(cr_read, cr_write, exceptions, intercept1, + intercept2, intercept3), TP_STRUCT__entry( __field( __u16, cr_read ) @@ -554,6 +555,7 @@ TRACE_EVENT(kvm_nested_intercepts, __field( __u32, exceptions ) __field( __u32, intercept1 ) __field( __u32, intercept2 ) + __field( __u32, intercept3 ) ), TP_fast_assign( @@ -562,12 +564,13 @@ TRACE_EVENT(kvm_nested_intercepts, __entry->exceptions = exceptions; __entry->intercept1 = intercept1; __entry->intercept2 = intercept2; + __entry->intercept3 = intercept3; ), TP_printk("cr_read: %04x cr_write: %04x excp: %08x " - "intercept1: %08x intercept2: %08x", + "intercept1: %08x intercept2: %08x intercept3: %08x", __entry->cr_read, __entry->cr_write, __entry->exceptions, - __entry->intercept1, __entry->intercept2) + __entry->intercept1, __entry->intercept2, __entry->intercept3) ); /* * Tracepoint for #VMEXIT while nested