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 6D2A0C433E5 for ; Tue, 28 Jul 2020 23:38:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 41E152075D for ; Tue, 28 Jul 2020 23:38:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amdcloud.onmicrosoft.com header.i=@amdcloud.onmicrosoft.com header.b="yyFP15Z7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730591AbgG1XiM (ORCPT ); Tue, 28 Jul 2020 19:38:12 -0400 Received: from mail-bn8nam11on2077.outbound.protection.outlook.com ([40.107.236.77]:51361 "EHLO NAM11-BN8-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730588AbgG1XiL (ORCPT ); Tue, 28 Jul 2020 19:38:11 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=DZV+3RpwPuhEaCelKCeR5tK/laP6RB8Si8PEUHgw/rnXHMIqJr+cJniA+HNlufZZ4u8kq9dX/BytSC1LfE50bVZYdLApv9NpRJYmnI/EECVEQTzN8ZmU7+URJ0j/ufhXBj9y3LN8E70SJvJci5r6XDRSK4RpM6zhXCvBUcNZtBd5MoOQqRi2SsB/yqmmBAcc28BlWQ2DcuhmzNB5F620AJpKUxgFFDPcBZ3GrdqswvnrTOaz0oacwI0+jQ7MiLiMa9WDnWe7D8tKC5lFujK7I4rksYrWKMOnoaWiVaQifxu+3Ct7nA3MDU55z+6Tnhs+6F+TQZsajmRNJcWu8V30lw== 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=x4GAgvxErdN16DJVEhtTixrGTiH7gu54Vpz7T8g2k2k=; b=MgUauhL+rPlyTSB6+8ROL+0i0diO1xr54cz3gKcpIO/J7Mr3jGRsAiCfkxjRQiI8Nw4yJqTbvJUj60VMyexdK3m3txue1SKYmNI6k60jagPvHwyTpEOkcp76oW03yvySYbPp5hfT/yq2Q1xMklYVvAk+GsqrxTsEtnYjkfV43/OY3fm5R3urJU/WtmQ/YjLWf7+pBSHCDErqhnUg0X+rH1YeKkQ/1SadvvKMywngF22+qGKlg7FRtOmyH1KGizskKXllYlSTFNPdHYg1GRDtgq+fsAd4yGtbrbDFkq4WFwYT6n5cY+BuYaqfiFTqjWy1BCBDx4A9//XvDl7FcHeJlw== 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=x4GAgvxErdN16DJVEhtTixrGTiH7gu54Vpz7T8g2k2k=; b=yyFP15Z7PH7VJzjIq92/6yjNNEqcGUyjOtbsM+GcJrTPKh7JyNUur5YNqH4P0uc3C4HHvwl3L2uuL4cDo31AnutRuG7wqyVGoeahvTgpCqj96gOQmlrhJJtaDeae2l7KAsb0G33OeGolqsPolosXGqOJMhq0wiaavIwY5xjk2eg= 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 23:38:08 +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 23:38:08 +0000 Subject: [PATCH v3 03/11] KVM: SVM: Change intercept_dr to generic intercepts 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 18:38:06 -0500 Message-ID: <159597948692.12744.7037992839778140055.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: 7bit X-ClientProxiedBy: SN6PR05CA0021.namprd05.prod.outlook.com (2603:10b6:805:de::34) 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 SN6PR05CA0021.namprd05.prod.outlook.com (2603:10b6:805:de::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3239.10 via Frontend Transport; Tue, 28 Jul 2020 23:38:07 +0000 X-Originating-IP: [165.204.77.1] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: fad44a4d-802e-453c-348a-08d8334f483d X-MS-TrafficTypeDiagnostic: SN1PR12MB2559: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3513; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: wfuJ3WgMWVZ+ZQbUz4o5pFxT1YOZxV4jSeunDd4x1CWeD7+mry5ZBQALRZwhEtGPAxkX0zunv233my6EG43D3H4OYcR9goYI9Qu86xUW3Lslp9eEG9pFxEEh0fPmKRx9T+8mjlYTgkeA7ElWKqE8qfbc24XZjpjQvMItsBq5XPqN8bNoneoM/oUysLc2ryvcf17wb4+nrzZK7y8uDfr34FOKaoZaNaVeBoSN549OUmCzdK5ZlMpDvUXFKN7uNbQJR2maIPF7sw9FVy3/jnFzQQkAwBzcjEFZLF5Kd4FpEXXfCgpXJNAQzCh6aUreU+S0JhMGa38l1NNlAFjCeH9iceKRz0Chy7+A74QXKPBB5oKQ+JjbKgwd6jIAj/2EAh6R 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)(103116003)(83380400001)(86362001)(9686003)(8936002)(16526019)(8676002)(26005)(186003)(956004)(52116002)(44832011)(33716001)(4326008)(41533002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: kqYZb1kh1BR4CADGtlSDAJMXMjuHiAI1Ac8lqp7VqbIvA8Iq6IhxY23H35hfAYPJzyn5Ujq5mpfPuRHKnLlDh2kBNpMQPkgRskXKL1uBdwzSFcf3arWx1A9nqR2KXgEf2JCn/KxfhSP2V9/CXqc5TKZGTilETmWX9lJZ0bPabI8+ZlKrNOi+XNqdwk7Dh/J0uti6cfq7QFD4LLwaDvfAKhxQraVnagzX2brNC2oBKdHpJC4x/ArMgWyS+qrb7SpI5fD3a6y/TDnE3MEAO3Z0GDNgEmt4Gy3j6Nni6EcOBhz2YviYUd8Pob7yah1yu+ezCINUH2yykNnFekg1CxW1lTpUtDCV4Xueq9W3OHIHHRRz5WtxfzQAh+sswwBgysRL3NBHbk/gSt3Y12RDtvL+c3gY3HmzDkoN9KO2c3N4N9ysxDH8wfSK2zdRpGczyhGDTCCh8imiBNLTADmab4egolx57s9WCdQGrY+xt2WwzgTCCSBLqhT8ftGaRNiBSRWdsyhLSXF8dM75GKH9j/5gFrwXBlPmMQ2YX/njTJ4buRm7tzRdqAzOAeZ+nimIbStQzcfr8cWCAT+gzpVFMoJrBx6Fp7tlgNNpMvGi7nTCktinU88kZ6NfwADU+DZ2y9DuPMpYJsJ4lN5Hjjj1mJgaHg== X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: fad44a4d-802e-453c-348a-08d8334f483d X-MS-Exchange-CrossTenant-AuthSource: SN1PR12MB2560.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jul 2020 23:38:08.2657 (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: 8nkMwFGYlLID2oJffm5+8Ts8YnwBdesJbiyb3Mo0sXnPgxAeD3IYTydQhbFZxwoH X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN1PR12MB2559 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Modify intercept_dr to generic intercepts in vmcb_control_area. Use generic __set_intercept, __clr_intercept and __is_intercept to set/clear/test the intercept_dr bits. Signed-off-by: Babu Moger --- arch/x86/include/asm/svm.h | 36 ++++++++++++++++++------------------ arch/x86/kvm/svm/nested.c | 6 +----- arch/x86/kvm/svm/svm.c | 4 ++-- arch/x86/kvm/svm/svm.h | 34 +++++++++++++++++----------------- 4 files changed, 38 insertions(+), 42 deletions(-) diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h index d4739f4eae63..ffc89d8e4fcb 100644 --- a/arch/x86/include/asm/svm.h +++ b/arch/x86/include/asm/svm.h @@ -11,6 +11,7 @@ enum vector_offset { CR_VECTOR = 0, + DR_VECTOR, MAX_VECTORS, }; @@ -34,6 +35,23 @@ enum { INTERCEPT_CR6_WRITE, INTERCEPT_CR7_WRITE, INTERCEPT_CR8_WRITE, + /* Byte offset 004h (Vector 1) */ + INTERCEPT_DR0_READ = 32, + INTERCEPT_DR1_READ, + INTERCEPT_DR2_READ, + INTERCEPT_DR3_READ, + INTERCEPT_DR4_READ, + INTERCEPT_DR5_READ, + INTERCEPT_DR6_READ, + INTERCEPT_DR7_READ, + INTERCEPT_DR0_WRITE = 48, + INTERCEPT_DR1_WRITE, + INTERCEPT_DR2_WRITE, + INTERCEPT_DR3_WRITE, + INTERCEPT_DR4_WRITE, + INTERCEPT_DR5_WRITE, + INTERCEPT_DR6_WRITE, + INTERCEPT_DR7_WRITE, }; enum { @@ -89,7 +107,6 @@ enum { struct __attribute__ ((__packed__)) vmcb_control_area { u32 intercepts[MAX_VECTORS]; - u32 intercept_dr; u32 intercept_exceptions; u64 intercept; u8 reserved_1[40]; @@ -271,23 +288,6 @@ struct __attribute__ ((__packed__)) vmcb { #define SVM_SELECTOR_READ_MASK SVM_SELECTOR_WRITE_MASK #define SVM_SELECTOR_CODE_MASK (1 << 3) -#define INTERCEPT_DR0_READ 0 -#define INTERCEPT_DR1_READ 1 -#define INTERCEPT_DR2_READ 2 -#define INTERCEPT_DR3_READ 3 -#define INTERCEPT_DR4_READ 4 -#define INTERCEPT_DR5_READ 5 -#define INTERCEPT_DR6_READ 6 -#define INTERCEPT_DR7_READ 7 -#define INTERCEPT_DR0_WRITE (16 + 0) -#define INTERCEPT_DR1_WRITE (16 + 1) -#define INTERCEPT_DR2_WRITE (16 + 2) -#define INTERCEPT_DR3_WRITE (16 + 3) -#define INTERCEPT_DR4_WRITE (16 + 4) -#define INTERCEPT_DR5_WRITE (16 + 5) -#define INTERCEPT_DR6_WRITE (16 + 6) -#define INTERCEPT_DR7_WRITE (16 + 7) - #define SVM_EVTINJ_VEC_MASK 0xff #define SVM_EVTINJ_TYPE_SHIFT 8 diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index 46f5c82d9b45..71ca89afb2a3 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -121,7 +121,6 @@ void recalc_intercepts(struct vcpu_svm *svm) for (i = 0; i < MAX_VECTORS; i++) c->intercepts[i] = h->intercepts[i]; - c->intercept_dr = h->intercept_dr; c->intercept_exceptions = h->intercept_exceptions; c->intercept = h->intercept; @@ -144,7 +143,6 @@ void recalc_intercepts(struct vcpu_svm *svm) for (i = 0; i < MAX_VECTORS; i++) c->intercepts[i] |= g->intercepts[i]; - c->intercept_dr |= g->intercept_dr; c->intercept_exceptions |= g->intercept_exceptions; c->intercept |= g->intercept; } @@ -157,7 +155,6 @@ static void copy_vmcb_control_area(struct vmcb_control_area *dst, for (i = 0; i < MAX_VECTORS; i++) dst->intercepts[i] = from->intercepts[i]; - dst->intercept_dr = from->intercept_dr; dst->intercept_exceptions = from->intercept_exceptions; dst->intercept = from->intercept; dst->iopm_base_pa = from->iopm_base_pa; @@ -717,8 +714,7 @@ static int nested_svm_intercept(struct vcpu_svm *svm) break; } case SVM_EXIT_READ_DR0 ... SVM_EXIT_WRITE_DR7: { - u32 bit = 1U << (exit_code - SVM_EXIT_READ_DR0); - if (svm->nested.ctl.intercept_dr & bit) + if (__is_intercept(&svm->nested.ctl.intercepts, exit_code)) vmexit = NESTED_EXIT_DONE; break; } diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 334bda8b31c1..6d95025938d8 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -2799,8 +2799,8 @@ static void dump_vmcb(struct kvm_vcpu *vcpu) pr_err("VMCB Control Area:\n"); pr_err("%-20s%04x\n", "cr_read:", control->intercepts[CR_VECTOR] & 0xffff); pr_err("%-20s%04x\n", "cr_write:", control->intercepts[CR_VECTOR] >> 16); - pr_err("%-20s%04x\n", "dr_read:", control->intercept_dr & 0xffff); - pr_err("%-20s%04x\n", "dr_write:", control->intercept_dr >> 16); + pr_err("%-20s%04x\n", "dr_read:", control->intercepts[DR_VECTOR] & 0xffff); + pr_err("%-20s%04x\n", "dr_write:", control->intercepts[DR_VECTOR] >> 16); pr_err("%-20s%08x\n", "exceptions:", control->intercept_exceptions); pr_err("%-20s%016llx\n", "intercepts:", control->intercept); pr_err("%-20s%d\n", "pause filter count:", control->pause_filter_count); diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 89d1d91d5bc6..f33a50f92b92 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -261,22 +261,22 @@ static inline void set_dr_intercepts(struct vcpu_svm *svm) { struct vmcb *vmcb = get_host_vmcb(svm); - vmcb->control.intercept_dr = (1 << INTERCEPT_DR0_READ) - | (1 << INTERCEPT_DR1_READ) - | (1 << INTERCEPT_DR2_READ) - | (1 << INTERCEPT_DR3_READ) - | (1 << INTERCEPT_DR4_READ) - | (1 << INTERCEPT_DR5_READ) - | (1 << INTERCEPT_DR6_READ) - | (1 << INTERCEPT_DR7_READ) - | (1 << INTERCEPT_DR0_WRITE) - | (1 << INTERCEPT_DR1_WRITE) - | (1 << INTERCEPT_DR2_WRITE) - | (1 << INTERCEPT_DR3_WRITE) - | (1 << INTERCEPT_DR4_WRITE) - | (1 << INTERCEPT_DR5_WRITE) - | (1 << INTERCEPT_DR6_WRITE) - | (1 << INTERCEPT_DR7_WRITE); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR0_READ); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR1_READ); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR2_READ); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR3_READ); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR4_READ); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR5_READ); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR6_READ); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR7_READ); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR0_WRITE); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR1_WRITE); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR2_WRITE); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR3_WRITE); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR4_WRITE); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR5_WRITE); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR6_WRITE); + __set_intercept(&vmcb->control.intercepts, INTERCEPT_DR7_WRITE); recalc_intercepts(svm); } @@ -285,7 +285,7 @@ static inline void clr_dr_intercepts(struct vcpu_svm *svm) { struct vmcb *vmcb = get_host_vmcb(svm); - vmcb->control.intercept_dr = 0; + vmcb->control.intercepts[DR_VECTOR] = 0; recalc_intercepts(svm); }