From nobody Fri Oct 3 20:22:39 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1565117883; cv=none; d=zoho.com; s=zohoarc; b=cossExHOyhuigfH5EUN4PFbzYtrxHzKYSnxydbZIbfPn04/pwvbAc4WHA/Adv1W5lOxzNRc9SYQdMwrFr1KtwxPkogEegzgYJ+89Xwyo3zsfCIXvQVHLodttvsLcLNpo2xpCYkd3nvBQ1XM9yBx0wgPfzXwrCCgEw5czt7zTZxY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1565117883; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=fkbGGX9W4VmTdPHKsIfz+7wZ8a+cnYyYdSRdklXs6tE=; b=Hq+TSXMmXmk/A5wAKhI2oGz97F4c05jLjZZxn6MWIZ+tja91W3O9VKQz/Q2tPEqC0gdcd7qprRX7iMQDBoGXsmQzaJQGXKha3xeuCi81v8ut/xMh8l92vk4ztIZsNbT71uA1Ud6BRvpWFo3wtY3RJFhMCzY970lb5HUlNKjREak= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1565117883978324.93964927494244; Tue, 6 Aug 2019 11:58:03 -0700 (PDT) Received: from localhost ([::1]:35683 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hv4ei-000698-Rd for importer@patchew.org; Tue, 06 Aug 2019 14:57:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41088) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hv4dx-0004OE-Sj for qemu-devel@nongnu.org; Tue, 06 Aug 2019 14:57:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hv4dw-000744-Eo for qemu-devel@nongnu.org; Tue, 06 Aug 2019 14:57:09 -0400 Received: from mga11.intel.com ([192.55.52.93]:6407) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hv4dw-000726-5x for qemu-devel@nongnu.org; Tue, 06 Aug 2019 14:57:08 -0400 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Aug 2019 11:57:00 -0700 Received: from sjchrist-coffee.jf.intel.com ([10.54.74.41]) by orsmga003.jf.intel.com with ESMTP; 06 Aug 2019 11:57:00 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,353,1559545200"; d="scan'208";a="176715106" From: Sean Christopherson To: Eduardo Habkost , Igor Mammedov , "Michael S. Tsirkin" , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Cornelia Huck , Eric Blake , Markus Armbruster , Marcelo Tosatti Date: Tue, 6 Aug 2019 11:56:43 -0700 Message-Id: <20190806185649.2476-15-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190806185649.2476-1-sean.j.christopherson@intel.com> References: <20190806185649.2476-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.93 Subject: [Qemu-devel] [RFC PATCH 14/20] i386: Adjust min CPUID level to 0x12 when SGX is enabled X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" SGX capabilities are enumerated through CPUID_0x12. Signed-off-by: Sean Christopherson --- target/i386/cpu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index a951a02baa..0e6b9980d9 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -5233,6 +5233,11 @@ static void x86_cpu_expand_features(X86CPU *cpu, Err= or **errp) if (sev_enabled()) { x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000001F); } + + /* SGX requires CPUID[0x12] for EPC enumeration */ + if (env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SGX) { + x86_cpu_adjust_level(cpu, &env->cpuid_min_level, 0x12); + } } =20 /* Set cpuid_*level* based on cpuid_min_*level, if not explicitly set = */ --=20 2.22.0