From patchwork Wed Jun 2 14:04:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brijesh Singh X-Patchwork-Id: 452672 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 D33D6C47083 for ; Wed, 2 Jun 2021 14:06:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B8C0260FE3 for ; Wed, 2 Jun 2021 14:06:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231151AbhFBOIS (ORCPT ); Wed, 2 Jun 2021 10:08:18 -0400 Received: from mail-mw2nam08on2087.outbound.protection.outlook.com ([40.107.101.87]:45825 "EHLO NAM04-MW2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230010AbhFBOHW (ORCPT ); Wed, 2 Jun 2021 10:07:22 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=et5iR1CJZEMb9Qpp1wnzUNCvJWQgH9zQW9VrHEqSoN4aZIU/kiBZuaJuFtHGJed67Iq6CFs/PiAjcrOUTaEE2PDim2fNG2L94BJspcfatbnekfgoF0cmdXIBVQud4rKcBNAjfdTP1Xx5c/eA65oAEsYL7Xi49rPSjHuz+eSV/ckPAz2bHkN1gvPiK65hBnfODNkIRbrfbEmETyLaDH49dd6OVW9rvWgOes47Q3LaUMzw/DCWLJC3m7iR0MQqPJ381OIcCUPiGqgZnxJiK6JyQdRVegWXC02UeAb6TH39aJXEyX9gyA+EKZSRDHRYYYVOXmunXHs5WtXx3MYii7zvHQ== 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=dqleyn+92uLtJZ2DVgVJpIsdTMTbdLECR/8GSyQtQFc=; b=GuOslvmpZJwlrZ4cB2aSOt7z7WD/lTaFWOv+kU0kEPV+RwcFmHxsPiDM3Ooa0FRGZpNn/gzr5dHELLibekBNvDYHfp34DgSd4YmRejDCc+ZQQpzqJdFkngyIvzs1m8nb5MVFz+896nrqdDsCHouU0d9kvDzQwMtKzqkC+T0X6I9aJqJmOufN9xWzOnTyT48MICnzIAXOs0pNe05arJ2M+T3OvGvj2AR3cjbb9fUlrDOeT+4t9Au3/qWIdXUtnyICz95c500prRMbQTnhvMpgrejpUDlaXtejh8sln+OmexrBAXP/uYpuzQ8LJqNcyb2CL2S6ngQBcE4lzl8DhWhLng== 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=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=dqleyn+92uLtJZ2DVgVJpIsdTMTbdLECR/8GSyQtQFc=; b=tCPRIZuScRsYqbf7SoDrFljSJ0SLZk4q4o0T8LvQEUKLQVmXAdfTVUSFW+CkAVxuEYbt2ZctArg3xibbr6wHDOQHplc40mIxKaLHFCbQBdCZsuJpcq8AjXnlQkQXQfygIU0Oa2v7y/CYLtefU43HBRABY+s2mcoiKKVTrIs5Aic= Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none; kernel.org; dmarc=none action=none header.from=amd.com; Received: from SN6PR12MB2718.namprd12.prod.outlook.com (2603:10b6:805:6f::22) by SA0PR12MB4446.namprd12.prod.outlook.com (2603:10b6:806:71::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4173.22; Wed, 2 Jun 2021 14:05:10 +0000 Received: from SN6PR12MB2718.namprd12.prod.outlook.com ([fe80::9898:5b48:a062:db94]) by SN6PR12MB2718.namprd12.prod.outlook.com ([fe80::9898:5b48:a062:db94%6]) with mapi id 15.20.4173.030; Wed, 2 Jun 2021 14:05:10 +0000 From: Brijesh Singh To: x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-coco@lists.linux.dev, linux-mm@kvack.org, linux-crypto@vger.kernel.org Cc: Thomas Gleixner , Ingo Molnar , Joerg Roedel , Tom Lendacky , "H. Peter Anvin" , Ard Biesheuvel , Paolo Bonzini , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Andy Lutomirski , Dave Hansen , Sergio Lopez , Peter Gonda , Peter Zijlstra , Srinivas Pandruvada , David Rientjes , tony.luck@intel.com, npmccallum@redhat.com, Brijesh Singh Subject: [PATCH Part1 RFC v3 18/22] KVM: SVM: Update the SEV-ES save area mapping Date: Wed, 2 Jun 2021 09:04:12 -0500 Message-Id: <20210602140416.23573-19-brijesh.singh@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210602140416.23573-1-brijesh.singh@amd.com> References: <20210602140416.23573-1-brijesh.singh@amd.com> X-Originating-IP: [165.204.77.1] X-ClientProxiedBy: SN6PR05CA0010.namprd05.prod.outlook.com (2603:10b6:805:de::23) To SN6PR12MB2718.namprd12.prod.outlook.com (2603:10b6:805:6f::22) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from sbrijesh-desktop.amd.com (165.204.77.1) by SN6PR05CA0010.namprd05.prod.outlook.com (2603:10b6:805:de::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4219.9 via Frontend Transport; Wed, 2 Jun 2021 14:05:08 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a7a1f731-6dde-4120-d883-08d925cf6e87 X-MS-TrafficTypeDiagnostic: SA0PR12MB4446: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SN6PR12MB2718.namprd12.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(376002)(366004)(396003)(346002)(136003)(39860400002)(478600001)(8936002)(7416002)(16526019)(44832011)(66476007)(186003)(66946007)(4326008)(8676002)(7696005)(52116002)(1076003)(86362001)(83380400001)(38350700002)(6486002)(15650500001)(316002)(6666004)(5660300002)(54906003)(38100700002)(26005)(66556008)(36756003)(2616005)(956004)(2906002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: a7a1f731-6dde-4120-d883-08d925cf6e87 X-MS-Exchange-CrossTenant-AuthSource: SN6PR12MB2718.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Jun 2021 14:05:10.0555 (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: +lPhjBSrjCY65HT8dC0Uj4XeD1Ah7/jEpdR357tQkuxVbhdK1QmbjcWu0VR4rNKZ3U98000CjkN3LNC4+GXjuQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4446 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Tom Lendacky This is the final step in defining the multiple save areas to keep them separate and ensuring proper operation amongst the different types of guests. Update the SEV-ES/SEV-SNP save area to match the APM. This save area will be used for the upcoming SEV-SNP AP Creation NAE event support. Signed-off-by: Tom Lendacky Signed-off-by: Brijesh Singh --- arch/x86/include/asm/svm.h | 66 +++++++++++++++++++++++++++++--------- 1 file changed, 50 insertions(+), 16 deletions(-) diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h index f5edfc552240..b6f358d6b975 100644 --- a/arch/x86/include/asm/svm.h +++ b/arch/x86/include/asm/svm.h @@ -282,7 +282,13 @@ struct sev_es_save_area { struct vmcb_seg ldtr; struct vmcb_seg idtr; struct vmcb_seg tr; - u8 reserved_1[43]; + u64 vmpl0_ssp; + u64 vmpl1_ssp; + u64 vmpl2_ssp; + u64 vmpl3_ssp; + u64 u_cet; + u8 reserved_1[2]; + u8 vmpl; u8 cpl; u8 reserved_2[4]; u64 efer; @@ -295,9 +301,19 @@ struct sev_es_save_area { u64 dr6; u64 rflags; u64 rip; - u8 reserved_4[88]; + u64 dr0; + u64 dr1; + u64 dr2; + u64 dr3; + u64 dr0_addr_mask; + u64 dr1_addr_mask; + u64 dr2_addr_mask; + u64 dr3_addr_mask; + u8 reserved_4[24]; u64 rsp; - u8 reserved_5[24]; + u64 s_cet; + u64 ssp; + u64 isst_addr; u64 rax; u64 star; u64 lstar; @@ -308,7 +324,7 @@ struct sev_es_save_area { u64 sysenter_esp; u64 sysenter_eip; u64 cr2; - u8 reserved_6[32]; + u8 reserved_5[32]; u64 g_pat; u64 dbgctl; u64 br_from; @@ -317,12 +333,12 @@ struct sev_es_save_area { u64 last_excp_to; u8 reserved_7[80]; u32 pkru; - u8 reserved_9[20]; - u64 reserved_10; /* rax already available at 0x01f8 */ + u8 reserved_8[20]; + u64 reserved_9; /* rax already available at 0x01f8 */ u64 rcx; u64 rdx; u64 rbx; - u64 reserved_11; /* rsp already available at 0x01d8 */ + u64 reserved_10; /* rsp already available at 0x01d8 */ u64 rbp; u64 rsi; u64 rdi; @@ -334,16 +350,34 @@ struct sev_es_save_area { u64 r13; u64 r14; u64 r15; - u8 reserved_12[16]; - u64 sw_exit_code; - u64 sw_exit_info_1; - u64 sw_exit_info_2; - u64 sw_scratch; + u8 reserved_11[16]; + u64 guest_exit_info_1; + u64 guest_exit_info_2; + u64 guest_exit_int_info; + u64 guest_nrip; u64 sev_features; - u8 reserved_13[48]; + u64 vintr_ctrl; + u64 guest_exit_code; + u64 virtual_tom; + u64 tlb_id; + u64 pcpu_id; + u64 event_inj; u64 xcr0; - u8 valid_bitmap[16]; - u64 x87_state_gpa; + u8 reserved_12[16]; + + /* Floating point area */ + u64 x87_dp; + u32 mxcsr; + u16 x87_ftw; + u16 x87_fsw; + u16 x87_fcw; + u16 x87_fop; + u16 x87_ds; + u16 x87_cs; + u64 x87_rip; + u8 fpreg_x87[80]; + u8 fpreg_xmm[256]; + u8 fpreg_ymm[256]; } __packed; struct ghcb_save_area { @@ -400,7 +434,7 @@ struct ghcb { #define EXPECTED_VMCB_SAVE_AREA_SIZE 740 #define EXPECTED_GHCB_SAVE_AREA_SIZE 1032 -#define EXPECTED_SEV_ES_SAVE_AREA_SIZE 1032 +#define EXPECTED_SEV_ES_SAVE_AREA_SIZE 1648 #define EXPECTED_VMCB_CONTROL_AREA_SIZE 272 #define EXPECTED_GHCB_SIZE PAGE_SIZE