From patchwork Tue Aug 6 18:56:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Christopherson X-Patchwork-Id: 11079585 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5340314DB for ; Tue, 6 Aug 2019 19:03:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4595F28832 for ; Tue, 6 Aug 2019 19:03:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 396CA28875; Tue, 6 Aug 2019 19:03:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E8DCF28832 for ; Tue, 6 Aug 2019 19:03:35 +0000 (UTC) Received: from localhost ([::1]:35776 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hv4kB-0001cB-9A for patchwork-qemu-devel@patchwork.kernel.org; Tue, 06 Aug 2019 15:03:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41131) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hv4dy-0004OQ-LV for qemu-devel@nongnu.org; Tue, 06 Aug 2019 14:57:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hv4dx-00075V-38 for qemu-devel@nongnu.org; Tue, 06 Aug 2019 14:57:10 -0400 Received: from mga11.intel.com ([192.55.52.93]:6407) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hv4dw-000726-PA for qemu-devel@nongnu.org; Tue, 06 Aug 2019 14:57:08 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Aug 2019 11:57:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,353,1559545200"; d="scan'208";a="176715114" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.41]) by orsmga003.jf.intel.com with ESMTP; 06 Aug 2019 11:57:00 -0700 From: Sean Christopherson To: Eduardo Habkost , Igor Mammedov , "Michael S. Tsirkin" , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Cornelia Huck , Eric Blake , Markus Armbruster , Marcelo Tosatti Date: Tue, 6 Aug 2019 11:56:46 -0700 Message-Id: <20190806185649.2476-18-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190806185649.2476-1-sean.j.christopherson@intel.com> References: <20190806185649.2476-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.93 Subject: [Qemu-devel] [RFC PATCH 17/20] i386/pc: Add e820 entry for SGX EPC section(s) 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: qemu-devel@nongnu.org, kvm@vger.kernel.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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 --- hw/i386/pc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 614d464394..1b555e46f3 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1850,6 +1850,9 @@ void pc_memory_init(PCMachineState *pcms, ram_above_4g); e820_add_entry(0x100000000ULL, pcms->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 ||