From patchwork Fri Apr 30 06:24:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Zhong X-Patchwork-Id: 12232671 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1A98C433B4 for ; Fri, 30 Apr 2021 06:34:46 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 6206860BD3 for ; Fri, 30 Apr 2021 06:34:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6206860BD3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49278 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lcMjd-0001NS-Fy for qemu-devel@archiver.kernel.org; Fri, 30 Apr 2021 02:34:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46064) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lcMeg-0005GD-Ds for qemu-devel@nongnu.org; Fri, 30 Apr 2021 02:29:38 -0400 Received: from mga11.intel.com ([192.55.52.93]:63439) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lcMee-00016y-KL for qemu-devel@nongnu.org; Fri, 30 Apr 2021 02:29:38 -0400 IronPort-SDR: Bf2hSCjUIcSzi3zTt/CEOlEy8Fm25/HZVAEUPFeb56f7Q6p727DesHnFNFNtB57errLMW7mAra 3fAxAL0hnJsQ== X-IronPort-AV: E=McAfee;i="6200,9189,9969"; a="194023093" X-IronPort-AV: E=Sophos;i="5.82,260,1613462400"; d="scan'208";a="194023093" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2021 23:28:47 -0700 IronPort-SDR: CWOr9au6THU29vl1qH6bLm8YBnn6oy5Hm660973BgRJ+UOmeUh1GwC4xZcl8Hghxgf/xzOZSD6 7bdexFWynfLg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,260,1613462400"; d="scan'208";a="387258583" Received: from icx-2s.bj.intel.com ([10.240.192.119]) by orsmga003.jf.intel.com with ESMTP; 29 Apr 2021 23:28:45 -0700 From: Yang Zhong To: qemu-devel@nongnu.org Subject: [RESEND PATCH 19/32] i386/pc: Add e820 entry for SGX EPC section(s) Date: Fri, 30 Apr 2021 14:24:42 +0800 Message-Id: <20210430062455.8117-20-yang.zhong@intel.com> X-Mailer: git-send-email 2.29.2.334.gfaefdd61ec In-Reply-To: <20210430062455.8117-1-yang.zhong@intel.com> References: <20210430062455.8117-1-yang.zhong@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.55.52.93; envelope-from=yang.zhong@intel.com; helo=mga11.intel.com X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yang.zhong@intel.com, pbonzini@redhat.com, kai.huang@intel.com, seanjc@google.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Sean Christopherson Note that SGX EPC is currently guaranteed to reside in a single contiguous chunk of memory regardless of the number of EPC sections. Signed-off-by: Sean Christopherson Signed-off-by: Yang Zhong --- hw/i386/pc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 90585a2471..3f5aedd756 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -895,6 +895,10 @@ void pc_memory_init(PCMachineState *pcms, e820_add_entry(0x100000000ULL, x86ms->above_4g_mem_size, E820_RAM); } + if (pcms->sgx_epc != NULL) { + e820_add_entry(pcms->sgx_epc->base, pcms->sgx_epc->size, E820_RESERVED); + } + if (!pcmc->has_reserved_memory && (machine->ram_slots || (machine->maxram_size > machine->ram_size))) {