From nobody Tue Sep 30 21:30:13 2025 Received: from CO1PR03CU002.outbound.protection.outlook.com (mail-westus2azon11010034.outbound.protection.outlook.com [52.101.46.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 16FED1F16B; Tue, 23 Sep 2025 05:10:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.46.34 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758604221; cv=fail; b=C7PH56puaFPgbS7eM9TDzASfDgkqh+Opa/f+i5bpRPlEGsm11tqw3S1watZTpWROTLVJlMqhMS4r2n5LKzpO+cD+ivCBQUBcGA59NDdh4lCJXKiSOotM89HUO11JefjqBxKfPwAS4cUo0CsIq+Aim8No4N0fnnWgqaPh+kyTAF0= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758604221; c=relaxed/simple; bh=UMNZLlSMbh/iYLAkfLQTuaB0nAXrzX6CEG0P9g6nlEY=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Lx3bveeMqgb44JVNVXyWiL0S/SI1zy6vxlRh45j39sigCmIZo9bMLoVGVEntEL/4o7q4ZBJOMvcNLqlff6RKPIGvRwDRHvH0Wf6998SqwAJ8VNn97OXiA6I33VeNsch0RUR1DqOCyapIlzP9+iDC8WvaOI4N7TNz6vTuZ5mz3zo= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=ClyBV+XA; arc=fail smtp.client-ip=52.101.46.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="ClyBV+XA" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=EXVn441nQNGkfxly974LcfmmpInaSL73QQnfBYpuviTqRzzrM/YXloYLG8gUPxIQPxJK/tkfto85OIKedSzxm4EK6nCRORCJLfvawqcMkK44waJhP1Kttqv4mOGlShueHyuJNfO7mjP+Y7Lzxs0pnLz3ACg3TLGIuxtBSSRhK3b9oIgO7+gxyb7EU5qQpwKkohQAO9+/gFcsz0yOeB7GJS0GUAKxgjRRBsi/1elULq5OrNBWbHtIWWSniWChLZSVdqxgoE6Ppc3NnVM6CDxs1y2nBg1N70wjh9dwp4oxdry6hU8JTMXKsXewqSG0WQGp6ChDZ1rvsg7Bi4ApnUh0cg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=ipbmMEFgDc0dbI7doanDN8mcBqNvyMhS6QosGwi1E1E=; b=vXzuDq7CTLMaLQuvrgFB36MmC+6vM1R5g6I+Kdwv5KNhaDXuMJqmOegQQAsr/VvtJmqx7A9Z/mV3TxlD4f8CD8pYVrv7gy8sJLdGN4iz2aJqUieoDjqFfNTNy242SsJRXb95T0e75GU6mRK13w+qDDsEUErZ4GboMOmAtk67+2QdESSYYIhXEWeXeNdQ3rpNb8eUFz12wkxsPOUaMJ5PgZKngQJLfJsFPlmFrAFGM8CaNN/TTppFDDoh5tCPrQzBZNRmTOBOl4Q9gdO+ojupdWDjGnqhf5TM4G8vdbc/U3pCx+IiASa8Y84fkXfJkjj/haCLqOFHjP3Ih7RbB7wgEA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) 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=ipbmMEFgDc0dbI7doanDN8mcBqNvyMhS6QosGwi1E1E=; b=ClyBV+XAFZgBXMOeHweeV6f733mt38tqylP7DQhbtmsq1hmhdMheYcpWvmhlQz0pzBa0mfcM65xDw17/9qBtWKO2xHxjM2iKpKEGNfd2imutTKwRqlOWlwRAKsk2J7Dnuro3I+AnHkK7RqHxiTNhp79bXTLrSEvx4+QD1U9kIRQ= Received: from BN9PR03CA0346.namprd03.prod.outlook.com (2603:10b6:408:f6::21) by MW6PR12MB8915.namprd12.prod.outlook.com (2603:10b6:303:23e::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9137.19; Tue, 23 Sep 2025 05:10:13 +0000 Received: from BL6PEPF00020E5F.namprd04.prod.outlook.com (2603:10b6:408:f6:cafe::7c) by BN9PR03CA0346.outlook.office365.com (2603:10b6:408:f6::21) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9137.20 via Frontend Transport; Tue, 23 Sep 2025 05:10:13 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by BL6PEPF00020E5F.mail.protection.outlook.com (10.167.249.20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9137.12 via Frontend Transport; Tue, 23 Sep 2025 05:10:13 +0000 Received: from BLR-L-NUPADHYA.xilinx.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Mon, 22 Sep 2025 22:10:08 -0700 From: Neeraj Upadhyay To: , , CC: , , , , , , , , , , , , , Subject: [RFC PATCH v2 01/35] Add GHCB with setters and getters Date: Tue, 23 Sep 2025 10:39:08 +0530 Message-ID: <20250923050942.206116-2-Neeraj.Upadhyay@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250923050942.206116-1-Neeraj.Upadhyay@amd.com> References: <20250923050942.206116-1-Neeraj.Upadhyay@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: satlexmb07.amd.com (10.181.42.216) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF00020E5F:EE_|MW6PR12MB8915:EE_ X-MS-Office365-Filtering-Correlation-Id: 41e4f126-52b3-4177-3df8-08ddfa5f7a2f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|376014|1800799024|82310400026|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?kp7VsGn33VtrZ9lEaUMyBrpZPpwcrv0wU4wqEmaoSF0BFqmqfwd5d46zCCNP?= =?us-ascii?Q?Y59/seP9cp+7RnssC06AtIdu1XAdkEXwbkLiLBajIUgGIlikMOtDe313GlhD?= =?us-ascii?Q?A1DY+9HqkCcRDLvlHhcetYFyC0UdnQYEo1eRTng3ehshA8c/QU4k9k7lJQYn?= =?us-ascii?Q?aPRxgtVupuXWiu+uw473PFbsqBRhiOp5bhUwUoJ2vSDTD1YkZ8UpppMD1foU?= =?us-ascii?Q?ZNSAJriBY21bHk4ogglrSttSo9S/Hnvs6rDFRfqdrrKvhmEVjUDtNy+21aEY?= =?us-ascii?Q?NrZHQfwEuCAlXgH/7z+0Ta83NolVPu3dpmKQ4YwI0BPXqBIVDJpdpPdo7QUZ?= =?us-ascii?Q?v0++Vkc5wuVrWKLxi0G+SxHwxtHbSFVefgCVF2fYqsMMjnkmixPVksDDtcRv?= =?us-ascii?Q?eG+w8DlZc3JoiKvEVi+6gzm8QG5L0FvGsMWyQQ8MR8F3udSc6g7z25K+i8WO?= =?us-ascii?Q?mO/R07JiSkfjlm7KErdpGt4UJ+QmyC0voKcUMtRoO/sm7WJfD7UeCUW2ZBzj?= =?us-ascii?Q?ZLe7LqB+XYxiEDh1EVm6kHbPCmdR5Mu3MUE7X4B/kxusTdnnNIHe6HIy5dUA?= =?us-ascii?Q?6vNTE/SRDbJhLGbtghvJGsEIwOIKdgJyzAIRxUTDGLTIzE5mZSejDsfGL/mz?= =?us-ascii?Q?2N4UNrhvueBsHjdItmq4OjhnGg1BwsaviRKr6aFz3FuL2WouxW2R3oy0rLsi?= =?us-ascii?Q?gr2TJrIolcs9wy/MPHRyW0vqyN1OfO6U9C9sSD/+En0W0aHGuFuIdmzt3tsL?= =?us-ascii?Q?pm2Un5F2OWOaERAGU4FjRwG4rPcTrwIv7JoDGFFxw295xSoFhBkVO41Hbzu2?= =?us-ascii?Q?KLyT/18Qj995sygaR72fkSPcYJ5tvW0ueJ7Mpe7Qwg+3KfnTH5NfuN4RnZTA?= =?us-ascii?Q?LJq/xEcRbm56J3eFR0zE/DP/cJZ1dFdEA8EbpULWmXXpOfmBxiX2kisq04WB?= =?us-ascii?Q?TCVkXHJriikmRjG1yNVjQHQ9COrAI8fnBfPdQ386FO2McEuMgsPe8p9FAAHH?= =?us-ascii?Q?Kjeqhqn3jmErB2m/n7SKyI23GGwgSeNFG3XzS+IAItsmU75AYaqbMIXAflaP?= =?us-ascii?Q?RsPEwUR1ay+JgaQaxBI0T73+PLQaNrovvoqKcchVqF8iRiRqqEUPPNVzkjl2?= =?us-ascii?Q?wJ1gPbPvhLUkwq2TUDjGgTkbL+ILSf5qsWr09krWeZDwDgD5ufNDkj+2r2eT?= =?us-ascii?Q?G073N60vk0JSKaAFoMpq1USL5treI+/pK0uBI+Fi9Qky1BChf7oPkKo2jZ9H?= =?us-ascii?Q?wQwuI0Yx01g8Z/Wz+s50W56PqpjZMWXFCL3+iIQlswZjmUs5m2euNvTZYWTi?= =?us-ascii?Q?C68cAZftTr31elrwvTFebNrjYJJwfZuCEqAEti+Q6T5rov2E5hNOk8js/De9?= =?us-ascii?Q?z/ROnO39z6pXAD5yQq1hS3nlIj7U3Pf5NQlUrZ93icu23Zm+ldZXM6oAjt+h?= =?us-ascii?Q?cut5J1LlDLCht1HGoa+hZ9WNSYkP0olbDncAGJ/ncwJaGEmqX15ZCliJKncn?= =?us-ascii?Q?+BMRZrq1eMhNC5D1+F+hapV4Dvtl7TeRaat8?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(376014)(1800799024)(82310400026)(7053199007);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Sep 2025 05:10:13.4810 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 41e4f126-52b3-4177-3df8-08ddfa5f7a2f 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF00020E5F.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW6PR12MB8915 Content-Type: text/plain; charset="utf-8" From: Peter Gonda Move the GHCB definitions from svm.h to the tools/ copy. This allows the SEV-ES selftest to use GHCBs which are required for non-trival VMs to paravirtualize NonAutomaticExits (NAEs) when SEV-ES is enabled. GHCB getters/setters have a warning with address-of-packed-member, so removed this using the CFLAGS. Cc: Vishal Annapurve Cc: Ackerley Tng Cc: Paolo Bonzini Cc: Claudio Imbrenda Cc: Sean Christopherson Cc: Carlos Bilbao Cc: Tom Lendacky Cc: Michael Roth Cc: kvm@vger.kernel.org Cc: linux-kselftest@vger.kernel.org Signed-off-by: Peter Gonda Signed-off-by: Neeraj Upadhyay --- tools/testing/selftests/kvm/Makefile.kvm | 2 +- tools/testing/selftests/kvm/include/x86/svm.h | 106 ++++++++++++++++++ 2 files changed, 107 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/kvm/Makefile.kvm b/tools/testing/selft= ests/kvm/Makefile.kvm index 90f03f00cb04..6dd8675b4861 100644 --- a/tools/testing/selftests/kvm/Makefile.kvm +++ b/tools/testing/selftests/kvm/Makefile.kvm @@ -237,7 +237,7 @@ LINUX_TOOL_ARCH_INCLUDE =3D $(top_srcdir)/tools/arch/$(= ARCH)/include CFLAGS +=3D -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=3Dgnu99 \ -Wno-gnu-variable-sized-type-not-at-end -MD -MP -DCONFIG_64BIT \ -fno-builtin-memcmp -fno-builtin-memcpy \ - -fno-builtin-memset -fno-builtin-strnlen \ + -fno-builtin-memset -fno-builtin-strnlen -Wno-address-of-packed-member \ -fno-stack-protector -fno-PIE -fno-strict-aliasing \ -I$(LINUX_TOOL_INCLUDE) -I$(LINUX_TOOL_ARCH_INCLUDE) \ -I$(LINUX_HDR_PATH) -Iinclude -I$(save.valid_bitmap); \ + } \ + \ + static __always_inline u64 ghcb_get_##field(struct ghcb *ghcb) \ + { \ + return ghcb->save.field; \ + } \ + \ + static __always_inline u64 ghcb_get_##field##_if_valid(struct ghcb *ghcb)= \ + { \ + return ghcb_##field##_is_valid(ghcb) ? ghcb->save.field : 0; \ + } \ + \ + static __always_inline void ghcb_set_##field(struct ghcb *ghcb, u64 value= ) \ + { \ + __set_bit(GHCB_BITMAP_IDX(field), \ + (unsigned long *)&ghcb->save.valid_bitmap); \ + ghcb->save.field =3D value; \ + } + +DEFINE_GHCB_ACCESSORS(cpl) +DEFINE_GHCB_ACCESSORS(rip) +DEFINE_GHCB_ACCESSORS(rsp) +DEFINE_GHCB_ACCESSORS(rax) +DEFINE_GHCB_ACCESSORS(rcx) +DEFINE_GHCB_ACCESSORS(rdx) +DEFINE_GHCB_ACCESSORS(rbx) +DEFINE_GHCB_ACCESSORS(rbp) +DEFINE_GHCB_ACCESSORS(rsi) +DEFINE_GHCB_ACCESSORS(rdi) +DEFINE_GHCB_ACCESSORS(r8) +DEFINE_GHCB_ACCESSORS(r9) +DEFINE_GHCB_ACCESSORS(r10) +DEFINE_GHCB_ACCESSORS(r11) +DEFINE_GHCB_ACCESSORS(r12) +DEFINE_GHCB_ACCESSORS(r13) +DEFINE_GHCB_ACCESSORS(r14) +DEFINE_GHCB_ACCESSORS(r15) +DEFINE_GHCB_ACCESSORS(sw_exit_code) +DEFINE_GHCB_ACCESSORS(sw_exit_info_1) +DEFINE_GHCB_ACCESSORS(sw_exit_info_2) +DEFINE_GHCB_ACCESSORS(sw_scratch) +DEFINE_GHCB_ACCESSORS(xcr0) + #endif /* SELFTEST_KVM_SVM_H */ --=20 2.34.1