Message ID | 20230818095041.1973309-58-xiaoyao.li@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <kvm-owner@vger.kernel.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7837C05052 for <kvm@archiver.kernel.org>; Fri, 18 Aug 2023 10:02:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359570AbjHRKCO (ORCPT <rfc822;kvm@archiver.kernel.org>); Fri, 18 Aug 2023 06:02:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356531AbjHRKBq (ORCPT <rfc822;kvm@vger.kernel.org>); Fri, 18 Aug 2023 06:01:46 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D2513C05 for <kvm@vger.kernel.org>; Fri, 18 Aug 2023 03:01:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1692352876; x=1723888876; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qFX4MYSdS16+KW4O8zAIe6fK1+szrF9YZwC1YtOB9Gc=; b=Ji6vdfHFxXTe/Xo+2dqvpXVssxYwhyydchoMELtE0H0eGiJtXZwaTDE7 eXtiUE0+rovEc2NA+zjtMbFoGQM+qAQuc9m4T6/XCSeZOdt9oroOLbb5Z jHKXtJHo7aqGw22+DAZTmb82LoFbIlBJbCzqyuW+Qf1wYoz6Nrfcm5NIC otegEFKlUtS+2ssS8ckBV+x3ORPC5ECQWpXxcf8RJJEHGs+RvrBv8ORpM YvkUKD373FqmZmPePc/7iROx/6YXsMRUbcFsKTmp5O9MDpXeaDnbjlSc1 xWkZs87I+NR+xcdTkB7z4aot9SiW4fPHbjjpEwdvsvE7LOUBe3lkEavNk A==; X-IronPort-AV: E=McAfee;i="6600,9927,10805"; a="371966978" X-IronPort-AV: E=Sophos;i="6.01,182,1684825200"; d="scan'208";a="371966978" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2023 02:59:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10805"; a="849235850" X-IronPort-AV: E=Sophos;i="6.01,182,1684825200"; d="scan'208";a="849235850" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.46]) by fmsmga002.fm.intel.com with ESMTP; 18 Aug 2023 02:59:18 -0700 From: Xiaoyao Li <xiaoyao.li@intel.com> To: Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, "Michael S. Tsirkin" <mst@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <anisinha@redhat.com>, Peter Xu <peterx@redhat.com>, David Hildenbrand <david@redhat.com>, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>, =?utf-8?q?Dani?= =?utf-8?q?el_P=2E_Berrang=C3=A9?= <berrange@redhat.com>, Cornelia Huck <cohuck@redhat.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, Gerd Hoffmann <kraxel@redhat.com> Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Eduardo Habkost <eduardo@habkost.net>, Laszlo Ersek <lersek@redhat.com>, xiaoyao.li@intel.com, Isaku Yamahata <isaku.yamahata@gmail.com>, erdemaktas@google.com, Chenyi Qiang <chenyi.qiang@intel.com> Subject: [PATCH v2 57/58] i386/tdx: Don't get/put guest state for TDX VMs Date: Fri, 18 Aug 2023 05:50:40 -0400 Message-Id: <20230818095041.1973309-58-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230818095041.1973309-1-xiaoyao.li@intel.com> References: <20230818095041.1973309-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <kvm.vger.kernel.org> X-Mailing-List: kvm@vger.kernel.org |
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TDX QEMU support
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diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index d542351983cd..1422c79aca40 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -4852,6 +4852,11 @@ int kvm_arch_put_registers(CPUState *cpu, int level) assert(cpu_is_stopped(cpu) || qemu_cpu_is_self(cpu)); + /* TODO: Allow accessing guest state for debug TDs. */ + if (is_tdx_vm()) { + return 0; + } + /* * Put MSR_IA32_FEATURE_CONTROL first, this ensures the VM gets out of VMX * root operation upon vCPU reset. kvm_put_msr_feature_control() should also @@ -4962,6 +4967,12 @@ int kvm_arch_get_registers(CPUState *cs) if (ret < 0) { goto out; } + + /* TODO: Allow accessing guest state for debug TDs. */ + if (is_tdx_vm()) { + return 0; + } + ret = kvm_getput_regs(cpu, 0); if (ret < 0) { goto out;