From patchwork Wed Jul 28 06:27:56 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lin Ming X-Patchwork-Id: 114698 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o6S6Rmb2019446 for ; Wed, 28 Jul 2010 06:27:48 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753899Ab0G1G1r (ORCPT ); Wed, 28 Jul 2010 02:27:47 -0400 Received: from mga02.intel.com ([134.134.136.20]:4764 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753663Ab0G1G1r (ORCPT ); Wed, 28 Jul 2010 02:27:47 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP; 27 Jul 2010 23:25:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.55,272,1278313200"; d="scan'208";a="539487375" Received: from minggr.sh.intel.com (HELO [10.239.13.71]) ([10.239.13.71]) by orsmga002.jf.intel.com with ESMTP; 27 Jul 2010 23:28:06 -0700 Subject: [RFC][PATCH 1/4] ACPICA: New file utosi.c From: Lin Ming To: lenb Cc: "Moore, Robert" , linux-acpi Date: Wed, 28 Jul 2010 14:27:56 +0800 Message-ID: <1280298476.20797.68.camel@minggr.sh.intel.com> Mime-Version: 1.0 X-Mailer: Evolution 2.30.2 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Wed, 28 Jul 2010 06:27:49 +0000 (UTC) diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index d93cc06..287199b 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -44,4 +44,4 @@ acpi-y += tbxface.o tbinstal.o tbutils.o tbfind.o tbfadt.o tbxfroot.o acpi-y += utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \ utcopy.o utdelete.o utglobal.o utmath.o utobject.o \ - utstate.o utmutex.o utobject.o utresrc.o utlock.o utids.o + utstate.o utmutex.o utobject.o utresrc.o utlock.o utids.o utosi.o diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c index 6dfdeb6..22f59ef 100644 --- a/drivers/acpi/acpica/uteval.c +++ b/drivers/acpi/acpica/uteval.c @@ -48,153 +48,6 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("uteval") -/* - * Strings supported by the _OSI predefined (internal) method. - * - * March 2009: Removed "Linux" as this host no longer wants to respond true - * for this string. Basically, the only safe OS strings are windows-related - * and in many or most cases represent the only test path within the - * BIOS-provided ASL code. - * - * The second element of each entry is used to track the newest version of - * Windows that the BIOS has requested. - */ -static struct acpi_interface_info acpi_interfaces_supported[] = { - /* Operating System Vendor Strings */ - - {"Windows 2000", ACPI_OSI_WIN_2000}, /* Windows 2000 */ - {"Windows 2001", ACPI_OSI_WIN_XP}, /* Windows XP */ - {"Windows 2001 SP1", ACPI_OSI_WIN_XP_SP1}, /* Windows XP SP1 */ - {"Windows 2001.1", ACPI_OSI_WINSRV_2003}, /* Windows Server 2003 */ - {"Windows 2001 SP2", ACPI_OSI_WIN_XP_SP2}, /* Windows XP SP2 */ - {"Windows 2001.1 SP1", ACPI_OSI_WINSRV_2003_SP1}, /* Windows Server 2003 SP1 - Added 03/2006 */ - {"Windows 2006", ACPI_OSI_WIN_VISTA}, /* Windows Vista - Added 03/2006 */ - {"Windows 2006.1", ACPI_OSI_WINSRV_2008}, /* Windows Server 2008 - Added 09/2009 */ - {"Windows 2006 SP1", ACPI_OSI_WIN_VISTA_SP1}, /* Windows Vista SP1 - Added 09/2009 */ - {"Windows 2009", ACPI_OSI_WIN_7}, /* Windows 7 and Server 2008 R2 - Added 09/2009 */ - - /* Feature Group Strings */ - - {"Extended Address Space Descriptor", 0} - - /* - * All "optional" feature group strings (features that are implemented - * by the host) should be implemented in the host version of - * acpi_os_validate_interface and should not be added here. - */ -}; - -/******************************************************************************* - * - * FUNCTION: acpi_ut_osi_implementation - * - * PARAMETERS: walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Implementation of the _OSI predefined control method - * - ******************************************************************************/ - -acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state) -{ - acpi_status status; - union acpi_operand_object *string_desc; - union acpi_operand_object *return_desc; - u32 return_value; - u32 i; - - ACPI_FUNCTION_TRACE(ut_osi_implementation); - - /* Validate the string input argument */ - - string_desc = walk_state->arguments[0].object; - if (!string_desc || (string_desc->common.type != ACPI_TYPE_STRING)) { - return_ACPI_STATUS(AE_TYPE); - } - - /* Create a return object */ - - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Default return value is 0, NOT SUPPORTED */ - - return_value = 0; - - /* Compare input string to static table of supported interfaces */ - - for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) { - if (!ACPI_STRCMP(string_desc->string.pointer, - acpi_interfaces_supported[i].name)) { - /* - * The interface is supported. - * Update the osi_data if necessary. We keep track of the latest - * version of Windows that has been requested by the BIOS. - */ - if (acpi_interfaces_supported[i].value > - acpi_gbl_osi_data) { - acpi_gbl_osi_data = - acpi_interfaces_supported[i].value; - } - - return_value = ACPI_UINT32_MAX; - goto exit; - } - } - - /* - * Did not match the string in the static table, call the host OSL to - * check for a match with one of the optional strings (such as - * "Module Device", "3.0 Thermal Model", etc.) - */ - status = acpi_os_validate_interface(string_desc->string.pointer); - if (ACPI_SUCCESS(status)) { - - /* The interface is supported */ - - return_value = ACPI_UINT32_MAX; - } - -exit: - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO, - "ACPI: BIOS _OSI(%s) is %ssupported\n", - string_desc->string.pointer, return_value == 0 ? "not " : "")); - - /* Complete the return value */ - - return_desc->integer.value = return_value; - walk_state->return_desc = return_desc; - return_ACPI_STATUS (AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_osi_invalidate - * - * PARAMETERS: interface_string - * - * RETURN: Status - * - * DESCRIPTION: invalidate string in pre-defiend _OSI string list - * - ******************************************************************************/ - -acpi_status acpi_osi_invalidate(char *interface) -{ - int i; - - for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) { - if (!ACPI_STRCMP(interface, acpi_interfaces_supported[i].name)) { - *acpi_interfaces_supported[i].name = '\0'; - return AE_OK; - } - } - return AE_NOT_FOUND; -} - /******************************************************************************* * * FUNCTION: acpi_ut_evaluate_object diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c new file mode 100644 index 0000000..b156241 --- /dev/null +++ b/drivers/acpi/acpica/utosi.c @@ -0,0 +1,196 @@ +/****************************************************************************** + * + * Module Name: utosi - Support for _OSI predefined control method + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2010, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include +#include "accommon.h" + +#define _COMPONENT ACPI_UTILITIES +ACPI_MODULE_NAME("utosi") + +/* + * Strings supported by the _OSI predefined (internal) method. + * + * March 2009: Removed "Linux" as this host no longer wants to respond true + * for this string. Basically, the only safe OS strings are windows-related + * and in many or most cases represent the only test path within the + * BIOS-provided ASL code. + * + * The second element of each entry is used to track the newest version of + * Windows that the BIOS has requested. + */ +static struct acpi_interface_info acpi_interfaces_supported[] = { + /* Operating System Vendor Strings */ + + {"Windows 2000", ACPI_OSI_WIN_2000}, /* Windows 2000 */ + {"Windows 2001", ACPI_OSI_WIN_XP}, /* Windows XP */ + {"Windows 2001 SP1", ACPI_OSI_WIN_XP_SP1}, /* Windows XP SP1 */ + {"Windows 2001.1", ACPI_OSI_WINSRV_2003}, /* Windows Server 2003 */ + {"Windows 2001 SP2", ACPI_OSI_WIN_XP_SP2}, /* Windows XP SP2 */ + {"Windows 2001.1 SP1", ACPI_OSI_WINSRV_2003_SP1}, /* Windows Server 2003 SP1 - Added 03/2006 */ + {"Windows 2006", ACPI_OSI_WIN_VISTA}, /* Windows Vista - Added 03/2006 */ + {"Windows 2006.1", ACPI_OSI_WINSRV_2008}, /* Windows Server 2008 - Added 09/2009 */ + {"Windows 2006 SP1", ACPI_OSI_WIN_VISTA_SP1}, /* Windows Vista SP1 - Added 09/2009 */ + {"Windows 2009", ACPI_OSI_WIN_7}, /* Windows 7 and Server 2008 R2 - Added 09/2009 */ + + /* Feature Group Strings */ + + {"Extended Address Space Descriptor", 0} + + /* + * All "optional" feature group strings (features that are implemented + * by the host) should be implemented in the host version of + * acpi_os_validate_interface and should not be added here. + */ +}; + +/******************************************************************************* + * + * FUNCTION: acpi_ut_osi_implementation + * + * PARAMETERS: walk_state - Current walk state + * + * RETURN: Status + * + * DESCRIPTION: Implementation of the _OSI predefined control method + * + ******************************************************************************/ + +acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state) +{ + acpi_status status; + union acpi_operand_object *string_desc; + union acpi_operand_object *return_desc; + u32 return_value; + u32 i; + + ACPI_FUNCTION_TRACE(ut_osi_implementation); + + /* Validate the string input argument */ + + string_desc = walk_state->arguments[0].object; + if (!string_desc || (string_desc->common.type != ACPI_TYPE_STRING)) { + return_ACPI_STATUS(AE_TYPE); + } + + /* Create a return object */ + + return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); + if (!return_desc) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + /* Default return value is 0, NOT SUPPORTED */ + + return_value = 0; + + /* Compare input string to static table of supported interfaces */ + + for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) { + if (!ACPI_STRCMP(string_desc->string.pointer, + acpi_interfaces_supported[i].name)) { + /* + * The interface is supported. + * Update the osi_data if necessary. We keep track of the latest + * version of Windows that has been requested by the BIOS. + */ + if (acpi_interfaces_supported[i].value > + acpi_gbl_osi_data) { + acpi_gbl_osi_data = + acpi_interfaces_supported[i].value; + } + + return_value = ACPI_UINT32_MAX; + goto exit; + } + } + + /* + * Did not match the string in the static table, call the host OSL to + * check for a match with one of the optional strings (such as + * "Module Device", "3.0 Thermal Model", etc.) + */ + status = acpi_os_validate_interface(string_desc->string.pointer); + if (ACPI_SUCCESS(status)) { + + /* The interface is supported */ + + return_value = ACPI_UINT32_MAX; + } + +exit: + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO, + "ACPI: BIOS _OSI(%s) is %ssupported\n", + string_desc->string.pointer, return_value == 0 ? "not " : "")); + + /* Complete the return value */ + + return_desc->integer.value = return_value; + walk_state->return_desc = return_desc; + return_ACPI_STATUS (AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_osi_invalidate + * + * PARAMETERS: interface_string + * + * RETURN: Status + * + * DESCRIPTION: invalidate string in pre-defiend _OSI string list + * + ******************************************************************************/ + +acpi_status acpi_osi_invalidate(char *interface) +{ + int i; + + for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) { + if (!ACPI_STRCMP(interface, acpi_interfaces_supported[i].name)) { + *acpi_interfaces_supported[i].name = '\0'; + return AE_OK; + } + } + return AE_NOT_FOUND; +} +