From patchwork Mon Jul 1 11:48:52 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Guthro X-Patchwork-Id: 2807321 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 65F899F3EB for ; Mon, 1 Jul 2013 11:51:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3A86120176 for ; Mon, 1 Jul 2013 11:51:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4151320170 for ; Mon, 1 Jul 2013 11:51:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753998Ab3GALtJ (ORCPT ); Mon, 1 Jul 2013 07:49:09 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:14022 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753989Ab3GALtH (ORCPT ); Mon, 1 Jul 2013 07:49:07 -0400 X-IronPort-AV: E=Sophos;i="4.87,974,1363132800"; d="scan'208";a="32763353" Received: from accessns.citrite.net (HELO FTLPEX01CL03.citrite.net) ([10.9.154.239]) by FTLPIPO02.CITRIX.COM with ESMTP/TLS/AES128-SHA; 01 Jul 2013 11:49:07 +0000 Received: from citrite.net (10.204.241.11) by FTLPEX01CL03.citrite.net (10.13.107.80) with Microsoft SMTP Server id 14.2.342.4; Mon, 1 Jul 2013 07:49:07 -0400 From: Ben Guthro To: Konrad Rzeszutek Wilk , Jan Beulich , "Rafael J . Wysocki" , , , CC: Ben Guthro , , Gang Wei Subject: [PATCH v6 4/5] x86/tboot: Fail extended mode reduced hardware sleep Date: Mon, 1 Jul 2013 07:48:52 -0400 Message-ID: <1372679333-8473-5-git-send-email-benjamin.guthro@citrix.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1372679333-8473-1-git-send-email-benjamin.guthro@citrix.com> References: <1372679333-8473-1-git-send-email-benjamin.guthro@citrix.com> MIME-Version: 1.0 X-Originating-IP: [10.204.241.11] Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As tboot currently does not support the reduced hardware sleep interface, fail this extended call. Signed-off-by: Jan Beulich Signed-off-by: Ben Guthro Cc: tboot-devel@lists.sourceforge.net Cc: Gang Wei Reviewed-by: Konrad Rzeszutek Wilk --- arch/x86/kernel/tboot.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c index d578c9c..76c284f 100644 --- a/arch/x86/kernel/tboot.c +++ b/arch/x86/kernel/tboot.c @@ -285,6 +285,12 @@ static int tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control, if (!tboot_enabled()) return 0; + if (extended) + if (WARN(extended,"tboot is not able to suspend on platforms with" + " reduced hardware sleep (ACPIv5). Please contact" + " tboot-devel@lists.sourceforge.net mailing list.")) + return -1; + tboot_copy_fadt(&acpi_gbl_FADT); tboot->acpi_sinfo.pm1a_cnt_val = pm1a_control; tboot->acpi_sinfo.pm1b_cnt_val = pm1b_control;