From patchwork Thu May 12 03:17:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 1629913 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=Shdxe2g5; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4KzHSr5yNqz9sG2 for ; Thu, 12 May 2022 13:34:19 +1000 (AEST) Received: from localhost ([::1]:55334 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nozai-000375-7c for incoming@patchwork.ozlabs.org; Wed, 11 May 2022 23:34:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39522) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nozN9-0004Tq-Hb for qemu-devel@nongnu.org; Wed, 11 May 2022 23:20:18 -0400 Received: from mga11.intel.com ([192.55.52.93]:31221) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nozN7-00037G-SX for qemu-devel@nongnu.org; Wed, 11 May 2022 23:20:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652325613; x=1683861613; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=DCaHj+oeeobFDCy91XJ/WlTpgcH0VqEE0ULwCm0eYF0=; b=Shdxe2g545agAWvQWPqNP+r9M9y37k025mSbIaJ3zFMuzn3skTPNeaj3 cA4Rar5dQ89MOGbv4Y1Psxy3dAJyGMub8gJbQPaNchCg9FOLr3c/07tSP Zi6Vge5pt/JvAvvNZErbyrNVf9KhbRz3LxfMstPm2y3nDMQDjrP3KbpWe FEpUGvWnuM/An1jHaNn0+6XLWHxCmgw6unRhFcyVA8VO1npD/FFEDIg/H RA8gAw++M3MzH6O0vbJkxNn3SCS+N0r2+u2ltMRDUdEuy33QR3zGYsSnU hV66nhhf+DQr7rgKFXBS+WAaxOigogOdb1EIwGWtrvEwgFnDW0Qo6LsWr A==; X-IronPort-AV: E=McAfee;i="6400,9594,10344"; a="267461307" X-IronPort-AV: E=Sophos;i="5.91,218,1647327600"; d="scan'208";a="267461307" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2022 20:20:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,218,1647327600"; d="scan'208";a="594456514" Received: from lxy-dell.sh.intel.com ([10.239.159.55]) by orsmga008.jf.intel.com with ESMTP; 11 May 2022 20:20:07 -0700 From: Xiaoyao Li To: Paolo Bonzini , Isaku Yamahata , isaku.yamahata@intel.com, Gerd Hoffmann , =?utf-8?q?Daniel_P_=2E_Berrang=C3=A9?= , =?utf-8?q?Phi?= =?utf-8?q?lippe_Mathieu-Daud=C3=A9?= , Richard Henderson , "Michael S . Tsirkin" , Marcel Apfelbaum , Cornelia Huck , Marcelo Tosatti , Laszlo Ersek , Eric Blake Cc: Connor Kuehl , erdemaktas@google.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, seanjc@google.com, xiaoyao.li@intel.com Subject: [RFC PATCH v4 25/36] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX vcpu Date: Thu, 12 May 2022 11:17:52 +0800 Message-Id: <20220512031803.3315890-26-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220512031803.3315890-1-xiaoyao.li@intel.com> References: <20220512031803.3315890-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.55.52.93; envelope-from=xiaoyao.li@intel.com; helo=mga11.intel.com X-Spam_score_int: -51 X-Spam_score: -5.2 X-Spam_bar: ----- X-Spam_report: (-5.2 / 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_HI=-5, SPF_HELO_NONE=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: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.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 Acked-by: Gerd Hoffmann --- 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 567ee12e88f0..d8b05b7749f7 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -236,6 +236,22 @@ static void tdx_init_ram_entries(void) tdx_guest->nr_ram_entries = j; } +static void tdx_post_init_vcpus(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) { TdxFirmware *tdvf = &tdx_guest->tdvf; @@ -267,6 +283,8 @@ static void tdx_finalize_vm(Notifier *notifier, void *unused) tdvf_hob_create(tdx_guest, tdx_get_hob_entry(tdx_guest)); + tdx_post_init_vcpus(); + for_each_tdx_fw_entry(tdvf, entry) { struct kvm_tdx_init_mem_region mem_region = { .source_addr = (__u64)entry->mem_ptr,