From nobody Tue Feb 10 14:32:16 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1632834870952189.54811281817808; Tue, 28 Sep 2021 06:14:30 -0700 (PDT) Received: from localhost ([::1]:51418 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mVCwH-00042F-Ia for importer@patchew.org; Tue, 28 Sep 2021 09:14:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38696) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mVCaC-0006Uo-6o for qemu-devel@nongnu.org; Tue, 28 Sep 2021 08:51:40 -0400 Received: from mail-ed1-x532.google.com ([2a00:1450:4864:20::532]:43571) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mVCa6-0001Q4-II for qemu-devel@nongnu.org; Tue, 28 Sep 2021 08:51:36 -0400 Received: by mail-ed1-x532.google.com with SMTP id v10so78451380edj.10 for ; Tue, 28 Sep 2021 05:51:34 -0700 (PDT) Received: from avogadro.lan ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id p24sm12641685edq.27.2021.09.28.05.51.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Sep 2021 05:51:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6HvVwDW0UEsMND2Epmw+EH1l2m7EcZiok6GeyK4r1PQ=; b=qRhNf5AkSiMLm3G+eCy2k5t8N9duo3ALrxMhGLyWhlawhd/iIe42WxWezWkSjQD3xK pmXyz7wBNa7m925hiSHMzCHmYnDgKKTNAUpfn3UX3FSLzdawyEoqGslV1LrQ69fU3kq7 k9tCoT5GRfty2ai7gEMAW/NmKxIYmSsSfl3ZPpSVovVpzY0/f1RtQKGjijv5uz0W8iAu mF77ol53UIiKb2ikynvrwe2ZLLPvB9ETdpPbSsNdFms+qFwXTDR9GcnZMB+9JUXbl/zo iGTGjT+TZ3UJlVXCDV06Ci2qGFu4odZ0xmHcRe3MNNyDvYCKt1JrPixyArzAYZMfQZLp k0Ag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=6HvVwDW0UEsMND2Epmw+EH1l2m7EcZiok6GeyK4r1PQ=; b=MrCOEFiP64anbspHc2WGM9z4IXHcds1ZqqmL11zgN9pdxY2OEpckQ4tMMv+jqZ+8hN A1O6foH0MtSV2V7JnwMVc2ubBtgKMTHSCKAZlbjZ1Bafim/wUowJ+seyN9n1RdQjSNUB 3VCEKjSly5k8eyG5Vc+3tGh+asmrnvXxJNtJZxGOqsooKHpfZNOPPiCA3yNmhf7x03i0 I8hqt0YXCFXdzXoXxbwHNWNpZDyAAllLcgRCl2Xc6YRB72wmtWSCBc9trgbvGYPWUfgl qHfcYhyT/sINnbj/wEDWcxGtQwK+YJhuR6SyudyhmXlnjpvnLX2wMFxondJzlHDrFbcX JcZg== X-Gm-Message-State: AOAM531lB58wF1itIqn4UabMV2C29swrl/gWKZ80g5Xf7SQXus9LRSpA Y0UO0utawOXmg2M1e2XMA5J4PA7yNyc= X-Google-Smtp-Source: ABdhPJzNC9dCKoDE0OP8z4fO2kSGl69ROSlG+0s4zK6CJx60qzG6p+5Y6s/2VMr4DKgJeh5LCrXRkQ== X-Received: by 2002:a17:907:7601:: with SMTP id jx1mr6485896ejc.69.1632833492136; Tue, 28 Sep 2021 05:51:32 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 17/33] hw/i386/fw_cfg: Set SGX bits in feature control fw_cfg accordingly Date: Tue, 28 Sep 2021 14:51:00 +0200 Message-Id: <20210928125116.183620-18-pbonzini@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210928125116.183620-1-pbonzini@redhat.com> References: <20210928125116.183620-1-pbonzini@redhat.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=2a00:1450:4864:20::532; envelope-from=paolo.bonzini@gmail.com; helo=mail-ed1-x532.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action 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: Yang Zhong , Sean Christopherson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1632834872572100001 Content-Type: text/plain; charset="utf-8" From: Sean Christopherson Request SGX an SGX Launch Control to be enabled in FEATURE_CONTROL when the features are exposed to the guest. Our design is the SGX Launch Control bit will be unconditionally set in FEATURE_CONTROL, which is unlike host bios. Signed-off-by: Sean Christopherson Signed-off-by: Yang Zhong Message-Id: <20210719112136.57018-17-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini --- hw/i386/fw_cfg.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/hw/i386/fw_cfg.c b/hw/i386/fw_cfg.c index 4e68d5dea4..f6d036dfbe 100644 --- a/hw/i386/fw_cfg.c +++ b/hw/i386/fw_cfg.c @@ -159,7 +159,7 @@ void fw_cfg_build_feature_control(MachineState *ms, FWC= fgState *fw_cfg) { X86CPU *cpu =3D X86_CPU(ms->possible_cpus->cpus[0].cpu); CPUX86State *env =3D &cpu->env; - uint32_t unused, ecx, edx; + uint32_t unused, ebx, ecx, edx; uint64_t feature_control_bits =3D 0; uint64_t *val; =20 @@ -174,6 +174,14 @@ void fw_cfg_build_feature_control(MachineState *ms, FW= CfgState *fw_cfg) feature_control_bits |=3D FEATURE_CONTROL_LMCE; } =20 + cpu_x86_cpuid(env, 0x7, 0, &unused, &ebx, &ecx, &unused); + if (ebx & CPUID_7_0_EBX_SGX) { + feature_control_bits |=3D FEATURE_CONTROL_SGX; + } + if (ecx & CPUID_7_0_ECX_SGX_LC) { + feature_control_bits |=3D FEATURE_CONTROL_SGX_LC; + } + if (!feature_control_bits) { return; } --=20 2.31.1