From patchwork Tue Nov 5 06:23:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 13862486 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 C1DCDD1CA3B for ; Tue, 5 Nov 2024 06:47:50 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t8DDQ-0008Ow-8G; Tue, 05 Nov 2024 01:39:00 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t8DCt-0007Hy-C5 for qemu-devel@nongnu.org; Tue, 05 Nov 2024 01:38:30 -0500 Received: from mgamail.intel.com ([198.175.65.18]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t8DCr-0001vd-NM for qemu-devel@nongnu.org; Tue, 05 Nov 2024 01:38:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730788706; x=1762324706; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=lKT4R+z384ZnSwuZplcbwrI7VIz8YVlbaPogqTQylkI=; b=J81gx0O1+YE/pqzmHhDbDMURcv/OI1zsOBo7mgpwCzw+E7libtZhGdqG rJOZHjy6Mga0IXk8BwZ8HCePQrXAL/mlVTdqD7GljpmMFJEIPb2GnJqVZ 5mGMBWcVPTi1FY9Mplp3TNCFyVK9GuBKZk57v0uFaJ4wJJMbK3VUzURrL uTn9pOSab8ecfRP8YTIAQPt+G4EyUlc3RkEJ01WSEfH223TQavAXhKiAv XdAN21lnl360zOJy3OspxqJ6r3lbHFiR9Jup/Iszb/fYJ+zZgl96AnJCx UAru38T75fZPMyo/pL4B/O2sw4rFoIsiIXKn4WEOVqJVDgubVLQ7/kRDB A==; X-CSE-ConnectionGUID: mXDBPH1VQpSvkSZT3OmHPQ== X-CSE-MsgGUID: doyJyjIbR7iKkjQDVzNv5w== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="30689588" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="30689588" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2024 22:38:15 -0800 X-CSE-ConnectionGUID: fMPbZ0l5SYCOMqH44oNg1w== X-CSE-MsgGUID: ghpoWLs8SMOi/kGwz41ALQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,259,1725346800"; d="scan'208";a="83989055" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by fmviesa009.fm.intel.com with ESMTP; 04 Nov 2024 22:38:11 -0800 From: Xiaoyao Li To: Paolo Bonzini , Riku Voipio , Richard Henderson , Zhao Liu , "Michael S. Tsirkin" , Marcel Apfelbaum , Igor Mammedov , Ani Sinha Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Yanan Wang , Cornelia Huck , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti , rick.p.edgecombe@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, xiaoyao.li@intel.com Subject: [PATCH v6 26/60] i386/tdx: Call KVM_TDX_INIT_VCPU to initialize TDX vcpu Date: Tue, 5 Nov 2024 01:23:34 -0500 Message-Id: <20241105062408.3533704-27-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241105062408.3533704-1-xiaoyao.li@intel.com> References: <20241105062408.3533704-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=198.175.65.18; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -39 X-Spam_score: -4.0 X-Spam_bar: ---- X-Spam_report: (-4.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.34, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.781, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org 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 0a6ac62de7ff..1abca7a5be6d 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -250,6 +250,22 @@ 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; @@ -282,6 +298,8 @@ 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 region; uint32_t flags;