From nobody Tue Feb 10 17:31:05 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 1631096740122357.93778423396805; Wed, 8 Sep 2021 03:25:40 -0700 (PDT) Received: from localhost ([::1]:52108 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mNulu-00063c-Pf for importer@patchew.org; Wed, 08 Sep 2021 06:25:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39110) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mNuRu-0006kV-Qt for qemu-devel@nongnu.org; Wed, 08 Sep 2021 06:04:58 -0400 Received: from mail-wm1-x32d.google.com ([2a00:1450:4864:20::32d]:46800) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mNuRr-00034w-DV for qemu-devel@nongnu.org; Wed, 08 Sep 2021 06:04:58 -0400 Received: by mail-wm1-x32d.google.com with SMTP id m25-20020a7bcb99000000b002e751bcb5dbso1071629wmi.5 for ; Wed, 08 Sep 2021 03:04:54 -0700 (PDT) Received: from localhost.localdomain ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id u8sm1683715wmq.45.2021.09.08.03.04.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Sep 2021 03:04:53 -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=B4Q+ikA36ht5pIYGDG584KoDMDRt66i7fPbri/PbCM9LMbzXW2nhHpQWxyLXAqHToQ Mct0dLt7yLrFrdTnWfouDCP76bi+rlbz9L3mLd0VtOy31/JWxfiljt4CSFh2/g6BIfLx qF9FqFjkaAfeEhwkjnsSkkg/5nNhcWcjzi1imJsWFH/WdQME7dbWf2CGuVzuTlu7g1H6 6IOqqJ0VxdRG16ZBFe0LOnI7wB1wRHt61oiabBoIpLkhWsQOj4iDrz1XcNbY1kqnlSF5 1iWirUUYV2t9hzWLGroCvcYs79937kzffMg72/xH+H425Qs+JFMXT2CQLhly6XnK6QpW hOxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; 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=ShlsSyor/692l8lrPjrM+Y1R7i8hCUUfx6YDawyS7ZB/b9ZaVm4tEaEtihVVLC6VKv 2FKGC0GT872pSjI4hvKkC7y+a3yTTPxLK2mFGFRitLs0cOXe7c+yLZMqrU0JTGXXMhYe /GgYH7bXCDiUI3gsN/dd4qFDY+CmNGjcOYTAUSXej9B2Vwy528lhK8d83P3t5GCVtz8M giF5IpQvL6pneAgTfaF8NOPW1saEWTasvlXIIY9mMTSN1I+uLd8IstWK6DuzWU4i8WZs SJS1VfesymMa+3erhHJ7Og7i9zRpFibkBB0Tgv/FPTJlTWwA5MQzAQVPlEz4CAUd7wXR J0sw== X-Gm-Message-State: AOAM53256Sdr6zi4Mw1elJPpefMiLX1Z5XvvXQdAKntmU7BzLK8X6HWC 6zGwnFnN4Ge+/EjDpM/PUigRZFlSr8g= X-Google-Smtp-Source: ABdhPJz4f4Eb5h0Jy9fPsRxbBUKeRwSkpQuXgZ/Q4wejD0F/Y/RyrkAYVANTToUDiX6D4XQ1XUFdZA== X-Received: by 2002:a1c:8086:: with SMTP id b128mr2808344wmd.54.1631095494112; Wed, 08 Sep 2021 03:04:54 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL v4 25/43] hw/i386/fw_cfg: Set SGX bits in feature control fw_cfg accordingly Date: Wed, 8 Sep 2021 12:04:08 +0200 Message-Id: <20210908100426.264356-26-pbonzini@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210908100426.264356-1-pbonzini@redhat.com> References: <20210908100426.264356-1-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::32d; envelope-from=paolo.bonzini@gmail.com; helo=mail-wm1-x32d.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=0.25, 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: 1631096742372100001 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