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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 , Dov Murik , Tobin Feldman-Fitzthum , Borislav Petkov , Michael Roth , Vlastimil Babka , "Kirill A . Shutemov" , Andi Kleen , tony.luck@intel.com, marcorr@google.com, sathyanarayanan.kuppuswamy@linux.intel.com, Brijesh Singh Subject: [PATCH Part1 v5 21/38] KVM: SVM: Update the SEV-ES save area mapping Date: Fri, 20 Aug 2021 10:19:16 -0500 Message-Id: <20210820151933.22401-22-brijesh.singh@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210820151933.22401-1-brijesh.singh@amd.com> References: <20210820151933.22401-1-brijesh.singh@amd.com> X-ClientProxiedBy: SA9P223CA0002.NAMP223.PROD.OUTLOOK.COM (2603:10b6:806:26::7) 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 SA9P223CA0002.NAMP223.PROD.OUTLOOK.COM (2603:10b6:806:26::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4436.19 via Frontend Transport; Fri, 20 Aug 2021 15:21:13 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 3c95f397-8919-4ade-0939-08d963ee263d X-MS-TrafficTypeDiagnostic: SN1PR12MB2446: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 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)(366004)(136003)(396003)(376002)(39860400002)(346002)(66556008)(478600001)(54906003)(4326008)(1076003)(6486002)(7416002)(38350700002)(52116002)(83380400001)(2616005)(7696005)(38100700002)(8676002)(26005)(8936002)(15650500001)(2906002)(316002)(66946007)(86362001)(66476007)(44832011)(36756003)(956004)(5660300002)(7406005)(186003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3c95f397-8919-4ade-0939-08d963ee263d X-MS-Exchange-CrossTenant-AuthSource: SN6PR12MB2718.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Aug 2021 15:21:14.6695 (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: d62xoTtOu42FjijsElMdcr8L7VYsXbkPr6KT7DoP2gfuL/g0dz2dyzMMnXikDfZFCjmQ0EZ59qg4ln1rtijkUg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN1PR12MB2446 Precedence: bulk List-ID: X-Mailing-List: linux-efi@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 748fe1c82a2b..44a3f920f886 100644 --- a/arch/x86/include/asm/svm.h +++ b/arch/x86/include/asm/svm.h @@ -288,7 +288,13 @@ 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; @@ -301,9 +307,19 @@ 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; @@ -314,7 +330,7 @@ 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; @@ -323,12 +339,12 @@ 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; @@ -340,16 +356,34 @@ 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 { @@ -406,7 +440,7 @@ 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 1024 #define EXPECTED_GHCB_SIZE PAGE_SIZE