From patchwork Thu May 12 03:17:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 12846925 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 55C6AC433F5 for ; Thu, 12 May 2022 03:19:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343631AbiELDTx (ORCPT ); Wed, 11 May 2022 23:19:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33418 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244533AbiELDTs (ORCPT ); Wed, 11 May 2022 23:19:48 -0400 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10AA0210B9A for ; Wed, 11 May 2022 20:19:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652325588; x=1683861588; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=9j0hfZ+A0CAuqZkKpvMTnZ32QvMIH0LlEbmUNATKMEY=; b=Pat8Typ7EDIOUXpHJ05R9sHszmrvap4gPMrjH+wJk69fU6qBuqo0OD8i 7hUxoHMgrBLNjJ3TG3uJgJedTsoxv9F9DO6pENAHBG+sSHzjVMWDC1Xq6 Ps2xY9J5DuvP8JnURoOv6saDohiIqJgMHJoSZG91ZIN6HXJqcfCti02XC lMpYyZZACjedb0Lcl3FUTT5VbVLdP+wUbHIgXzpm+V3a5dAJMFOta96Td 2bYysygBpwGbasbImIQjwcirdEm9wsapUgQJvySiRFrsxa779m8MgvQgz QLZ7LsXMhVDsZoc97c3Bbt9XI7jC09yNMnxQEwsd4NQNCJTD38tynUS/z A==; X-IronPort-AV: E=McAfee;i="6400,9594,10344"; a="257424431" X-IronPort-AV: E=Sophos;i="5.91,218,1647327600"; d="scan'208";a="257424431" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2022 20:19:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,218,1647327600"; d="scan'208";a="594456006" Received: from lxy-dell.sh.intel.com ([10.239.159.55]) by orsmga008.jf.intel.com with ESMTP; 11 May 2022 20:19:43 -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 20/36] i386/tdx: Register a machine_init_done callback for TD Date: Thu, 12 May 2022 11:17:47 +0800 Message-Id: <20220512031803.3315890-21-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 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Before a TD can run, it needs to - setup/configure TD HOB list; - initialize TDVF into TD's private memory; - initialize TD vcpu state; Register a machine_init_done callback to all those stuff. Signed-off-by: Xiaoyao Li --- target/i386/kvm/tdx.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index 2953d2728b32..a95d5b894c34 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -16,6 +16,7 @@ #include "qom/object_interfaces.h" #include "standard-headers/asm-x86/kvm_para.h" #include "sysemu/kvm.h" +#include "sysemu/sysemu.h" #include "hw/i386/x86.h" #include "kvm_i386.h" @@ -126,6 +127,15 @@ static void get_tdx_capabilities(void) tdx_caps = caps; } +static void tdx_finalize_vm(Notifier *notifier, void *unused) +{ + /* TODO */ +} + +static Notifier tdx_machine_done_notify = { + .notify = tdx_finalize_vm, +}; + int tdx_kvm_init(MachineState *ms, Error **errp) { TdxGuest *tdx = (TdxGuest *)object_dynamic_cast(OBJECT(ms->cgs), @@ -144,6 +154,8 @@ int tdx_kvm_init(MachineState *ms, Error **errp) */ kvm_readonly_mem_allowed = false; + qemu_add_machine_init_done_notifier(&tdx_machine_done_notify); + tdx_guest = tdx; return 0;