From patchwork Wed Jun 26 14:06:14 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Guthro X-Patchwork-Id: 2784951 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 40446C0AB1 for ; Wed, 26 Jun 2013 14:07:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1E80D20518 for ; Wed, 26 Jun 2013 14:07:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D652820516 for ; Wed, 26 Jun 2013 14:07:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751368Ab3FZOGe (ORCPT ); Wed, 26 Jun 2013 10:06:34 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:61743 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752071Ab3FZOGd (ORCPT ); Wed, 26 Jun 2013 10:06:33 -0400 X-IronPort-AV: E=Sophos;i="4.87,944,1363132800"; d="scan'208";a="31945195" Received: from accessns.citrite.net (HELO FTLPEX01CL01.citrite.net) ([10.9.154.239]) by FTLPIPO02.CITRIX.COM with ESMTP/TLS/AES128-SHA; 26 Jun 2013 14:06:30 +0000 Received: from citrite.net (10.204.241.11) by FTLPEX01CL01.citrite.net (10.13.107.78) with Microsoft SMTP Server id 14.2.342.4; Wed, 26 Jun 2013 10:06:30 -0400 From: Ben Guthro To: Konrad Rzeszutek Wilk , Jan Beulich , "Rafaell J . Wysocki" , , , CC: Ben Guthro , , Gang Wei Subject: [PATCH v3 2/3] x86/tboot: Fail extended mode reduced hardware sleep Date: Wed, 26 Jun 2013 10:06:14 -0400 Message-ID: <1372255575-29567-3-git-send-email-benjamin.guthro@citrix.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1372255575-29567-1-git-send-email-benjamin.guthro@citrix.com> References: <1372255575-29567-1-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=-8.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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: Ben Guthro Signed-off-by: Jan Beulich Cc: tboot-devel@lists.sourceforge.net Cc: Gang Wei --- arch/x86/kernel/tboot.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c index f84fe00..016fbb8 100644 --- a/arch/x86/kernel/tboot.c +++ b/arch/x86/kernel/tboot.c @@ -273,7 +273,8 @@ static void tboot_copy_fadt(const struct acpi_table_fadt *fadt) offsetof(struct acpi_table_facs, firmware_waking_vector); } -static int tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control) +static int tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control, + u8 extended) { static u32 acpi_shutdown_map[ACPI_S_STATE_COUNT] = { /* S0,1,2: */ -1, -1, -1, @@ -284,6 +285,9 @@ static int tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control) if (!tboot_enabled()) return 0; + if (extended) + return -1; + tboot_copy_fadt(&acpi_gbl_FADT); tboot->acpi_sinfo.pm1a_cnt_val = pm1a_control; tboot->acpi_sinfo.pm1b_cnt_val = pm1b_control;