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David Alan Gilbert" , , , , , Venu Busireddy , Brijesh Singh Subject: [PATCH v10 04/45] KVM: SVM: Update the SEV-ES save area mapping Date: Wed, 9 Feb 2022 12:09:58 -0600 Message-ID: <20220209181039.1262882-5-brijesh.singh@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220209181039.1262882-1-brijesh.singh@amd.com> References: <20220209181039.1262882-1-brijesh.singh@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 523cd575-167d-41bb-970e-08d9ebf79aca X-MS-TrafficTypeDiagnostic: MWHPR1201MB0061:EE_ 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: HarVbBKXReMfxOUmzIufKjtjb9S+ySqkqnWnHF2wb5m9nBEpSeRWbabKI7YaK5YtxzYbBxFykk2zv/4oXIH1+VSVoiOwrM8QqCWr9caky4PwZKRW+1Qqbuux7hgLun04sSFoIN5Zfg9E1ar8/1jUC4AQKdu7a6QUBbo850nbdTQJU66wFdUSlRJ541Plu9JwCieJgsAVAV3tez4jAQGjJPXUyCwLqpMVPOdnO0ah5YyF425dk7CqfJStWm/pnBNBMK1zwztI+tGzQKlSrhXkGo5YBeuWNWFPRcownRC+PzIlapvYMrQv9YqlBJadiUh5PtHNkJPk2smO1n9odUiCILYhfsgu+1rUgFheBESgo+DRu30JoLYWWhCZeI3f5z9Wd4vdZv672jiO5axCj7UhBE79uphUrpcL9blxFAdCDa15hon3JusBdeLKZ5hokoaTkFtkxDCN1T8iQcRBoIUTF2DdOLdQd/R4OczjunhyDNXQ2kOcSsAevWRVl6oD0EjAfUOiZ8kcdc1iApJLOJf82tmYwHLdU9FZcBNafZZQ27Jre64oJ+UWmTH7U9tGqC35kXD0BeQOsrVtLesYMLyx/v/iH30LfwX5av2nE2SuopVR3xvK1d5EAME1wHXsbltG81NcpNprSZedwUoEo9I+1gAUPX5ZuD39bKprsRgTwh4ThXele6Jh2WfG0bemZfEZYhVsY1ckAmkllYqfOJRzDHNpy3h2CEY/vXLHlZh6sK0= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230001)(4636009)(46966006)(40470700004)(36840700001)(1076003)(26005)(82310400004)(36860700001)(186003)(16526019)(86362001)(15650500001)(316002)(7406005)(47076005)(336012)(426003)(7416002)(2616005)(44832011)(2906002)(40460700003)(4326008)(81166007)(36756003)(356005)(5660300002)(508600001)(6666004)(8676002)(70586007)(70206006)(8936002)(54906003)(110136005)(83380400001)(7696005)(2101003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Feb 2022 18:11:33.5272 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 523cd575-167d-41bb-970e-08d9ebf79aca X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT056.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR1201MB0061 X-Rspamd-Server: rspam11 X-Rspam-User: X-Stat-Signature: rmutr3mn97kym93nhdepnnmi1ifjy5ds Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=amd.com header.s=selector1 header.b=fIpYpiAx; dmarc=pass (policy=quarantine) header.from=amd.com; spf=pass (imf27.hostedemail.com: domain of brijesh.singh@amd.com designates 40.107.93.68 as permitted sender) smtp.mailfrom=brijesh.singh@amd.com X-Rspamd-Queue-Id: 7152A40002 X-HE-Tag: 1644430296-864979 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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. Reviewed-by: Venu Busireddy 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 5ff1fa364a31..7d90321e7775 100644 --- a/arch/x86/include/asm/svm.h +++ b/arch/x86/include/asm/svm.h @@ -290,7 +290,13 @@ 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; @@ -303,9 +309,19 @@ 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; @@ -316,7 +332,7 @@ 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; @@ -325,12 +341,12 @@ 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; @@ -342,16 +358,34 @@ 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 { @@ -410,7 +444,7 @@ 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