From patchwork Thu Mar 17 13:59:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 12784135 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id C30EBC433F5 for ; Thu, 17 Mar 2022 14:31:13 +0000 (UTC) Received: from localhost ([::1]:37164 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nUr9k-0001JS-ID for qemu-devel@archiver.kernel.org; Thu, 17 Mar 2022 10:31:12 -0400 Received: from eggs.gnu.org ([209.51.188.92]:57512) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nUqhP-0001bI-JA for qemu-devel@nongnu.org; Thu, 17 Mar 2022 10:01:55 -0400 Received: from mga12.intel.com ([192.55.52.136]:25146) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nUqhN-0004UE-OR for qemu-devel@nongnu.org; Thu, 17 Mar 2022 10:01:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1647525713; x=1679061713; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Oq+gJLFCfF5BPanHjfTR+nq9RnBYZda+c5gNU5Qo3zQ=; b=oA6ZlEY+K0dj4uCsWuBbgN++iHUFkuTZ5EhfMrGDBbulTNaCJ2Wf4wtL pOAnNP3e8GFFyVfqAAUvFYqQk8E6j33zDdxg0jogJ+r9DOkWKOR/zPiNB hK2YyNtb4Z/kzwFRcpC5rl40PMjFvWO4tCxbj7RuciKwbqb9TttF7aSXP QFEC6/9P3uMdWzxAPxOeCvAJW6ZzoEcn74/3ijut4sw1sQWIaMKkaSqr2 1/dsQOHaytOL7ojijYeYZSdlo1yqj5Dn+NuU4Kc4kjYPYfc/Te9UphBK3 tnJNlbDmK1txlLM7nvmuq1DkSAmxzao1mg7nWMrqpjYk0j+IG5TzMzITe w==; X-IronPort-AV: E=McAfee;i="6200,9189,10288"; a="236817360" X-IronPort-AV: E=Sophos;i="5.90,188,1643702400"; d="scan'208";a="236817360" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Mar 2022 07:01:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,188,1643702400"; d="scan'208";a="541378550" Received: from lxy-dell.sh.intel.com ([10.239.159.55]) by orsmga007.jf.intel.com with ESMTP; 17 Mar 2022 07:01:02 -0700 From: Xiaoyao Li To: Paolo Bonzini , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Richard Henderson , "Michael S. Tsirkin" , Marcel Apfelbaum , Cornelia Huck , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Marcelo Tosatti , Laszlo Ersek , Gerd Hoffmann , Eric Blake Subject: [RFC PATCH v3 24/36] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX vcpu Date: Thu, 17 Mar 2022 21:59:01 +0800 Message-Id: <20220317135913.2166202-25-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220317135913.2166202-1-xiaoyao.li@intel.com> References: <20220317135913.2166202-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.55.52.136; envelope-from=xiaoyao.li@intel.com; helo=mga12.intel.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.998, HK_RANDOM_FROM=0.998, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: isaku.yamahata@intel.com, kvm@vger.kernel.org, Connor Kuehl , seanjc@google.com, xiaoyao.li@intel.com, qemu-devel@nongnu.org, erdemaktas@google.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" TDX vcpu needs to be initialized by SEAMCALL(TDH.VP.INIT) and KVM provides vcpu level IOCTL KVM_TDX_INIT_VCPU for it. KVM_TDX_INIT_VCPU needs the address of the HOB as input. Invoke it for each vcpu after HOB list is created. Signed-off-by: Xiaoyao Li --- target/i386/kvm/tdx.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index f7a18f07a4df..f06a0895b77a 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -212,6 +212,22 @@ static void tdx_init_ram_entries(void) tdx_guest->nr_ram_entries = j; } +static void tdx_post_init_vcpu(void) +{ + TdxFirmwareEntry *hob; + CPUState *cpu; + int r; + + hob = tdx_get_hob_entry(tdx_guest); + CPU_FOREACH(cpu) { + r = tdx_vcpu_ioctl(cpu, KVM_TDX_INIT_VCPU, 0, (void *)hob->address); + if (r < 0) { + error_report("KVM_TDX_INIT_VCPU failed %s", strerror(-r)); + exit(1); + } + } +} + static void tdx_finalize_vm(Notifier *notifier, void *unused) { MachineState *ms = MACHINE(qdev_get_machine()); @@ -251,6 +267,8 @@ static void tdx_finalize_vm(Notifier *notifier, void *unused) qsort(tdx_guest->ram_entries, tdx_guest->nr_ram_entries, sizeof(TdxRamEntry), &tdx_ram_entry_compare); tdvf_hob_create(tdx_guest, tdx_get_hob_entry(tdx_guest)); + + tdx_post_init_vcpu(); } static Notifier tdx_machine_done_notify = {