From nobody Tue Nov 26 18:34:28 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1706153669; cv=none; d=zohomail.com; s=zohoarc; b=PsZA66JRYTqpQ/4jzGwKZNkldTkYzuY/9xiKLSe3i8USJwabNIlIqvGqoZS8XIomADIgiUXJduWdOAjDgBHu4+ExLGbRAS3Aq6o1BZorXpifhruX0cHfgUqA52NFBRfLlgTmzGR3eVQTfpUfpnUUzwBQ5U5NmI4YHvxdJxaMb+U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1706153669; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=vcfEm/WxrgIWdlU7COoLs4Ar6VXRrZDgT/74gpSs86k=; b=fIDrKbkP2Si4hQpgI4h2SXhYajQT+CXopOimTyUR+iJ7ctwf5FjnwpDBI2VjVUJ0RgkgZsMh2I06SfYuRV/C/PWyiGcLsyA3NxYIMOK90q6c/XC2E0Hm9C6PDkahh34+AfS+BbJZRLwRAdZyyrQBXNlj8lkbXdsBkDL4uRrnDrM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1706153669221638.0858324314203; Wed, 24 Jan 2024 19:34:29 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rSqTE-0007oQ-EP; Wed, 24 Jan 2024 22:32:04 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rSqTB-0007V9-D8 for qemu-devel@nongnu.org; Wed, 24 Jan 2024 22:32:01 -0500 Received: from mgamail.intel.com ([192.198.163.10]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rSqT9-0001Dy-5q for qemu-devel@nongnu.org; Wed, 24 Jan 2024 22:32:00 -0500 Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2024 19:29:00 -0800 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by orviesa005.jf.intel.com with ESMTP; 24 Jan 2024 19:28:55 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706153519; x=1737689519; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=kAhbpSvf5mcqCqnuUHwzUyFR0bBkU6DMg1Kt+jDOu9k=; b=Vnf6HWBgPiF3W//ca0dVmvvDvXOFOtUX1F46+EedR1aw0pkVCkhR89vc RKWCIWhsjicrrJjF1o1hE0nLMKKGJNoudNbtdz9Lq2S/Eq/ZEeuOcHw10 Ni5XM3z47DqtubRemhRFOqMND/FnQCAH88BtUU3bK7Gh0t6JcGHs6km/z xry6H61mY5y/3xTcpJE4hxvZ+shed+NkVvAjK6/05lYqmmbsthVJxqek3 B92Gt7iCrGRO5A7o9+s6NWmGaTOHksYRSB1x2kjGwYl8YN3hjV0JP2aGk YG6zqWt4vHZ68xDCkaBIGdMtExJCGkXz9GmMYHK6mYKFOv4tYxne3B1hQ g==; X-IronPort-AV: E=McAfee;i="6600,9927,10962"; a="9430418" X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="9430418" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="2086471" From: Xiaoyao Li To: Paolo Bonzini , David Hildenbrand , Igor Mammedov , "Michael S . Tsirkin" , Marcel Apfelbaum , Richard Henderson , Peter Xu , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Cornelia Huck , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, xiaoyao.li@intel.com, Michael Roth , Sean Christopherson , Claudio Fontana , Gerd Hoffmann , Isaku Yamahata , Chenyi Qiang Subject: [PATCH v4 59/66] i386/tdx: LMCE is not supported for TDX Date: Wed, 24 Jan 2024 22:23:21 -0500 Message-Id: <20240125032328.2522472-60-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240125032328.2522472-1-xiaoyao.li@intel.com> References: <20240125032328.2522472-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.198.163.10; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.5, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.999, HK_RANDOM_FROM=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1706153670908100003 Content-Type: text/plain; charset="utf-8" LMCE is not supported TDX since KVM doesn't provide emulation for MSR_IA32_FEAT_CTL. Signed-off-by: Xiaoyao Li --- target/i386/kvm/kvm-cpu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/i386/kvm/kvm-cpu.c b/target/i386/kvm/kvm-cpu.c index 9c791b7b0520..8c618869533c 100644 --- a/target/i386/kvm/kvm-cpu.c +++ b/target/i386/kvm/kvm-cpu.c @@ -15,6 +15,7 @@ #include "sysemu/sysemu.h" #include "hw/boards.h" =20 +#include "tdx.h" #include "kvm_i386.h" #include "hw/core/accel-cpu.h" =20 @@ -60,6 +61,10 @@ static bool lmce_supported(void) if (kvm_ioctl(kvm_state, KVM_X86_GET_MCE_CAP_SUPPORTED, &mce_cap) < 0)= { return false; } + + if (is_tdx_vm()) + return false; + return !!(mce_cap & MCG_LMCE_P); } =20 --=20 2.34.1