From patchwork Tue Aug 24 11:06:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kalra, Ashish" X-Patchwork-Id: 12454799 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 14316C432BE for ; Tue, 24 Aug 2021 11:06:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F2B7D613AB for ; Tue, 24 Aug 2021 11:06:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236630AbhHXLHj (ORCPT ); Tue, 24 Aug 2021 07:07:39 -0400 Received: from mail-dm6nam11on2075.outbound.protection.outlook.com ([40.107.223.75]:13466 "EHLO NAM11-DM6-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S236443AbhHXLHi (ORCPT ); Tue, 24 Aug 2021 07:07:38 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=j0afvSI5T55wiq45my1TKXbU4uUWghYID/qlOmW0NZJVQMZ6WIZKHek4yTGxpM57mLShAygHYtAOpvM+O+1VKA1ngSsp4ZumU+BSQnT/HIku8ad+FOlynY4FTLEQcj2TuTamAeHdBja+6TTom5PXtS3D0WPusstfzA/Et7gFkOET/gZNUnXCauk34RhtMjBWjFpxB0csvUuNf3Nv7r6KoH0qeigXVJPQan9L372vmFwTv+9fTrQHeZyeT9QU2VOxcNyJo2iUucFct/bBBSI9DuBCP6X9Yn7Jh+fku10fFTHIZuonOgPccK5xOjK+pOsFlvt5Vl/YDKqnNrR+qfifUw== 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=ImYRURSA0MWns+++F1GteOzG2evYIUzjTgbdkzculhc=; b=VqKEqV2Rj9WNViTlG9F5PIC3ghxZVCD3lrZZzeBKE+18n5lWcQFKScJJ9NqcRLBMRRyNLUaGzVrItHmDt8biw/BsoFXP/oKk6vsl4ZoRgOPFDKleoL00bnijhADGhAcQjw95ROLOqE2l6BkLF9guBDKrCnN4trVepuWLAw8nQgG5RADd5aApAtRuYWWliTlVr2h3U3pRPrdW825gLqHNLyVL+nKTEwjgsm1EHMaB9YrSsAjRZ+qjlULA+OoVPBHTkfdTH435eWLPiyUA0uVEThpP3EPT0e2tK8lYV0JaHQL1lwVWFIN3KK2nKr4e/L7NErUgVf7U30Hq4Z2FOzBHHg== 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=ImYRURSA0MWns+++F1GteOzG2evYIUzjTgbdkzculhc=; b=mmujYlpBmKOtV88GIKOsXuA6K2vxM5OA5J3gsyBFtw5eoChWFEzTbWtc/ypWVisKHgVxeHOcC9L2U/G0ckiTq0upyCc6FoWBpxatMh1Xx0lsH1QB6D9ZUt62faFZf+XFRqITP6Dzzij8x+5QqUGUygJ/58duX/fwFg/aVU+zhLU= Authentication-Results: redhat.com; dkim=none (message not signed) header.d=none;redhat.com; dmarc=none action=none header.from=amd.com; Received: from SN6PR12MB2767.namprd12.prod.outlook.com (2603:10b6:805:75::23) by SN6PR12MB2637.namprd12.prod.outlook.com (2603:10b6:805:6b::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4436.22; Tue, 24 Aug 2021 11:06:51 +0000 Received: from SN6PR12MB2767.namprd12.prod.outlook.com ([fe80::491e:2642:bae2:8b73]) by SN6PR12MB2767.namprd12.prod.outlook.com ([fe80::491e:2642:bae2:8b73%7]) with mapi id 15.20.4436.024; Tue, 24 Aug 2021 11:06:51 +0000 From: Ashish Kalra To: pbonzini@redhat.com Cc: seanjc@google.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, joro@8bytes.org, bp@alien8.de, Thomas.Lendacky@amd.com, x86@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, srutherford@google.com, brijesh.singh@amd.com, dovmurik@linux.ibm.com, tobin@linux.ibm.com, jejb@linux.ibm.com, dgilbert@redhat.com, linux-efi@vger.kernel.org Subject: [PATCH v6 3/5] EFI: Introduce the new AMD Memory Encryption GUID. 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This variable is setup when UEFI/OVMF detects host/hypervisor support for SEV live migration and later this variable is read by the kernel using EFI runtime services to verify if OVMF supports the live migration feature. Signed-off-by: Ashish Kalra Acked-by: Ard Biesheuvel --- include/linux/efi.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/efi.h b/include/linux/efi.h index 6b5d36babfcc..dbd39b20e034 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -362,6 +362,7 @@ void efi_native_runtime_setup(void); /* OEM GUIDs */ #define DELLEMC_EFI_RCI2_TABLE_GUID EFI_GUID(0x2d9f28a2, 0xa886, 0x456a, 0x97, 0xa8, 0xf1, 0x1e, 0xf2, 0x4f, 0xf4, 0x55) +#define AMD_SEV_MEM_ENCRYPT_GUID EFI_GUID(0x0cf29b71, 0x9e51, 0x433a, 0xa3, 0xb7, 0x81, 0xf3, 0xab, 0x16, 0xb8, 0x75) typedef struct { efi_guid_t guid;