From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 65220C433F5 for ; Wed, 8 Sep 2021 10:11:39 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2260260EE1 for ; Wed, 8 Sep 2021 10:11:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2260260EE1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:39698 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mNuYM-0003xH-5R for qemu-devel@archiver.kernel.org; Wed, 08 Sep 2021 06:11:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39136) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mNuRv-0006mo-OS for qemu-devel@nongnu.org; Wed, 08 Sep 2021 06:04:59 -0400 Received: from mail-wm1-x335.google.com ([2a00:1450:4864:20::335]:56218) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mNuRq-00033m-Sg for qemu-devel@nongnu.org; Wed, 08 Sep 2021 06:04:59 -0400 Received: by mail-wm1-x335.google.com with SMTP id g74so1261128wmg.5 for ; 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=KOb4IPvQ1urvg2WoCHadP1b4B/KHW5IQqVRTE+ZK8/Y=; b=Tepe+3ZBAMhBj/Ivrpe9PNMt1xQBNiAU4R9U/ImCr9henBC3EeHgRs36rjwVvSinU8 Bi0+n2wz2ntEuCeT1WKDe1ftty0SiIORJ6Un6F8rjaBb9a0eTrpXNo5N4/A75Xffu4b2 0FouJ/dG2V4mo90VL6iff9QA8BUS0u048vf9njK4q272jbjsP07UxICjIq9ah7YXJcCZ kBZkMtNFliYNUCbFw6Naa0x8xIIguBsI2gund5EZJ7Ty8B6suAon8IDF97m/j3Uz0zqa xZSnl7XEYm5h+XWGVQv0gcCOWt55dF//ZgNYxsDM9Uea8h8Gf1E6I2bqYb+L9FPPqhWU 4xzA== 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=KOb4IPvQ1urvg2WoCHadP1b4B/KHW5IQqVRTE+ZK8/Y=; b=pXT+zRQB9yzI1TpX7xXJYwhQ0ouHLWoFpI2hF1wFwQLnD/1+Rab0wvSnX3RNTH+Kqb fvhEbzaxNerKVmuEHB/Tl16wJucmB9maavlRpXuP1/6hq/UMuw2cpKWHsdzFykagSeoo MrmcXQ4XpS9LgV/yt4H+jTnYmapFTsV9dxVFFWtbK2Gok4xXgAFY+pbMFKHGOz5BnbSH gxrjVLz0yZ/V74dGRqI1hi0iamoOlWeXNDFNpAsQMH1ykuRy3U49IdmL+BmncMUrRBoj SA96FH/1nwqkjmn8OqokrI9hXzLbWdF6AQgF63dgc5IcLPnHc/C0WokXUGliA8LmtmE+ TVnQ== X-Gm-Message-State: AOAM533xohh7lcJsLpaa9wfBE4+T9BlYMyw1b1wo7lN9ofis6YvDBqkz WvuwqdMiYLfk70chUAJTR3VfNEoTJ14= X-Google-Smtp-Source: ABdhPJy1EjUuOIXj8VTU/shjSDvxTfAtS13+w+Fcx6koDzbDds/qbfBiEshUUpq+ge6AxpsaBVGZAA== X-Received: by 2002:a05:600c:2f90:: with SMTP id t16mr2674286wmn.136.1631095492394; Wed, 08 Sep 2021 03:04:52 -0700 (PDT) Received: from localhost.localdomain ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id u8sm1683715wmq.45.2021.09.08.03.04.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Sep 2021 03:04:52 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL v4 23/43] i386: Propagate SGX CPUID sub-leafs to KVM Date: Wed, 8 Sep 2021 12:04:06 +0200 Message-Id: <20210908100426.264356-24-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: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::335; envelope-from=paolo.bonzini@gmail.com; helo=mail-wm1-x335.google.com X-Spam_score_int: 4 X-Spam_score: 0.4 X-Spam_bar: / X-Spam_report: (0.4 / 5.0 requ) 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Sean Christopherson The SGX sub-leafs are enumerated at CPUID 0x12. Indices 0 and 1 are always present when SGX is supported, and enumerate SGX features and capabilities. Indices >=2 are directly correlated with the platform's EPC sections. Because the number of EPC sections is dynamic and user defined, the number of SGX sub-leafs is "NULL" terminated. Signed-off-by: Sean Christopherson Signed-off-by: Yang Zhong Message-Id: <20210719112136.57018-15-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini --- target/i386/kvm/kvm.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 488926a95f..f6bbf33bc1 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -1703,6 +1703,25 @@ int kvm_arch_init_vcpu(CPUState *cs) } break; case 0x7: + case 0x12: + for (j = 0; ; j++) { + c->function = i; + c->flags = KVM_CPUID_FLAG_SIGNIFCANT_INDEX; + c->index = j; + cpu_x86_cpuid(env, i, j, &c->eax, &c->ebx, &c->ecx, &c->edx); + + if (j > 1 && (c->eax & 0xf) != 1) { + break; + } + + if (cpuid_i == KVM_MAX_CPUID_ENTRIES) { + fprintf(stderr, "cpuid_data is full, no space for " + "cpuid(eax:0x12,ecx:0x%x)\n", j); + abort(); + } + c = &cpuid_data.entries[cpuid_i++]; + } + break; case 0x14: { uint32_t times; -- 2.31.1