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Diffstat (limited to 'sys/contrib/dev/acpica/utilities/utosi.c')
| -rw-r--r-- | sys/contrib/dev/acpica/utilities/utosi.c | 493 |
1 files changed, 493 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/utilities/utosi.c b/sys/contrib/dev/acpica/utilities/utosi.c new file mode 100644 index 0000000..49ff73b --- /dev/null +++ b/sys/contrib/dev/acpica/utilities/utosi.c @@ -0,0 +1,493 @@ +/****************************************************************************** + * + * Module Name: utosi - Support for the _OSI predefined control method + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp. + * All rights reserved. + * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + *****************************************************************************/ + +#define __UTOSI_C__ + +#include <contrib/dev/acpica/include/acpi.h> +#include <contrib/dev/acpica/include/accommon.h> + + +#define _COMPONENT ACPI_UTILITIES + ACPI_MODULE_NAME ("utosi") + +/* + * Strings supported by the _OSI predefined control method (which is + * implemented internally within this module.) + * + * 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 last element of each entry is used to track the newest version of + * Windows that the BIOS has requested. + */ +static ACPI_INTERFACE_INFO AcpiDefaultSupportedInterfaces[] = +{ + /* Operating System Vendor Strings */ + + {"Windows 2000", NULL, 0, ACPI_OSI_WIN_2000}, /* Windows 2000 */ + {"Windows 2001", NULL, 0, ACPI_OSI_WIN_XP}, /* Windows XP */ + {"Windows 2001 SP1", NULL, 0, ACPI_OSI_WIN_XP_SP1}, /* Windows XP SP1 */ + {"Windows 2001.1", NULL, 0, ACPI_OSI_WINSRV_2003}, /* Windows Server 2003 */ + {"Windows 2001 SP2", NULL, 0, ACPI_OSI_WIN_XP_SP2}, /* Windows XP SP2 */ + {"Windows 2001.1 SP1", NULL, 0, ACPI_OSI_WINSRV_2003_SP1}, /* Windows Server 2003 SP1 - Added 03/2006 */ + {"Windows 2006", NULL, 0, ACPI_OSI_WIN_VISTA}, /* Windows Vista - Added 03/2006 */ + {"Windows 2006.1", NULL, 0, ACPI_OSI_WINSRV_2008}, /* Windows Server 2008 - Added 09/2009 */ + {"Windows 2006 SP1", NULL, 0, ACPI_OSI_WIN_VISTA_SP1}, /* Windows Vista SP1 - Added 09/2009 */ + {"Windows 2009", NULL, 0, ACPI_OSI_WIN_7}, /* Windows 7 and Server 2008 R2 - Added 09/2009 */ + + /* Feature Group Strings */ + + {"Extended Address Space Descriptor", NULL, 0, 0} + + /* + * All "optional" feature group strings (features that are implemented + * by the host) should be dynamically added by the host via + * AcpiInstallInterface and should not be manually added here. + * + * Examples of optional feature group strings: + * + * "Module Device" + * "Processor Device" + * "3.0 Thermal Model" + * "3.0 _SCP Extensions" + * "Processor Aggregator Device" + */ +}; + + +/******************************************************************************* + * + * FUNCTION: AcpiUtInitializeInterfaces + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Initialize the global _OSI supported interfaces list + * + ******************************************************************************/ + +ACPI_STATUS +AcpiUtInitializeInterfaces ( + void) +{ + UINT32 i; + + + (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER); + AcpiGbl_SupportedInterfaces = AcpiDefaultSupportedInterfaces; + + /* Link the static list of supported interfaces */ + + for (i = 0; i < (ACPI_ARRAY_LENGTH (AcpiDefaultSupportedInterfaces) - 1); i++) + { + AcpiDefaultSupportedInterfaces[i].Next = + &AcpiDefaultSupportedInterfaces[(ACPI_SIZE) i + 1]; + } + + AcpiOsReleaseMutex (AcpiGbl_OsiMutex); + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtInterfaceTerminate + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION: Delete all interfaces in the global list. Sets + * AcpiGbl_SupportedInterfaces to NULL. + * + ******************************************************************************/ + +void +AcpiUtInterfaceTerminate ( + void) +{ + ACPI_INTERFACE_INFO *NextInterface; + + + (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER); + NextInterface = AcpiGbl_SupportedInterfaces; + + while (NextInterface) + { + AcpiGbl_SupportedInterfaces = NextInterface->Next; + + /* Only interfaces added at runtime can be freed */ + + if (NextInterface->Flags & ACPI_OSI_DYNAMIC) + { + ACPI_FREE (NextInterface->Name); + ACPI_FREE (NextInterface); + } + + NextInterface = AcpiGbl_SupportedInterfaces; + } + + AcpiOsReleaseMutex (AcpiGbl_OsiMutex); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtInstallInterface + * + * PARAMETERS: InterfaceName - The interface to install + * + * RETURN: Status + * + * DESCRIPTION: Install the interface into the global interface list. + * Caller MUST hold AcpiGbl_OsiMutex + * + ******************************************************************************/ + +ACPI_STATUS +AcpiUtInstallInterface ( + ACPI_STRING InterfaceName) +{ + ACPI_INTERFACE_INFO *InterfaceInfo; + + + /* Allocate info block and space for the name string */ + + InterfaceInfo = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_INTERFACE_INFO)); + if (!InterfaceInfo) + { + return (AE_NO_MEMORY); + } + + InterfaceInfo->Name = ACPI_ALLOCATE_ZEROED (ACPI_STRLEN (InterfaceName) + 1); + if (!InterfaceInfo->Name) + { + ACPI_FREE (InterfaceInfo); + return (AE_NO_MEMORY); + } + + /* Initialize new info and insert at the head of the global list */ + + ACPI_STRCPY (InterfaceInfo->Name, InterfaceName); + InterfaceInfo->Flags = ACPI_OSI_DYNAMIC; + InterfaceInfo->Next = AcpiGbl_SupportedInterfaces; + + AcpiGbl_SupportedInterfaces = InterfaceInfo; + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtRemoveInterface + * + * PARAMETERS: InterfaceName - The interface to remove + * + * RETURN: Status + * + * DESCRIPTION: Remove the interface from the global interface list. + * Caller MUST hold AcpiGbl_OsiMutex + * + ******************************************************************************/ + +ACPI_STATUS +AcpiUtRemoveInterface ( + ACPI_STRING InterfaceName) +{ + ACPI_INTERFACE_INFO *PreviousInterface; + ACPI_INTERFACE_INFO *NextInterface; + + + PreviousInterface = NextInterface = AcpiGbl_SupportedInterfaces; + while (NextInterface) + { + if (!ACPI_STRCMP (InterfaceName, NextInterface->Name)) + { + /* Found: name is in either the static list or was added at runtime */ + + if (NextInterface->Flags & ACPI_OSI_DYNAMIC) + { + /* Interface was added dynamically, remove and free it */ + + if (PreviousInterface == NextInterface) + { + AcpiGbl_SupportedInterfaces = NextInterface->Next; + } + else + { + PreviousInterface->Next = NextInterface->Next; + } + + ACPI_FREE (NextInterface->Name); + ACPI_FREE (NextInterface); + } + else + { + /* + * Interface is in static list. If marked invalid, then it + * does not actually exist. Else, mark it invalid. + */ + if (NextInterface->Flags & ACPI_OSI_INVALID) + { + return (AE_NOT_EXIST); + } + + NextInterface->Flags |= ACPI_OSI_INVALID; + } + + return (AE_OK); + } + + PreviousInterface = NextInterface; + NextInterface = NextInterface->Next; + } + + /* Interface was not found */ + + return (AE_NOT_EXIST); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtGetInterface + * + * PARAMETERS: InterfaceName - The interface to find + * + * RETURN: ACPI_INTERFACE_INFO if found. NULL if not found. + * + * DESCRIPTION: Search for the specified interface name in the global list. + * Caller MUST hold AcpiGbl_OsiMutex + * + ******************************************************************************/ + +ACPI_INTERFACE_INFO * +AcpiUtGetInterface ( + ACPI_STRING InterfaceName) +{ + ACPI_INTERFACE_INFO *NextInterface; + + + NextInterface = AcpiGbl_SupportedInterfaces; + while (NextInterface) + { + if (!ACPI_STRCMP (InterfaceName, NextInterface->Name)) + { + return (NextInterface); + } + + NextInterface = NextInterface->Next; + } + + return (NULL); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtOsiImplementation + * + * PARAMETERS: WalkState - Current walk state + * + * RETURN: Status + * + * DESCRIPTION: Implementation of the _OSI predefined control method. When + * an invocation of _OSI is encountered in the system AML, + * control is transferred to this function. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiUtOsiImplementation ( + ACPI_WALK_STATE *WalkState) +{ + ACPI_OPERAND_OBJECT *StringDesc; + ACPI_OPERAND_OBJECT *ReturnDesc; + ACPI_INTERFACE_INFO *InterfaceInfo; + ACPI_INTERFACE_HANDLER InterfaceHandler; + UINT32 ReturnValue; + + + ACPI_FUNCTION_TRACE (UtOsiImplementation); + + + /* Validate the string input argument (from the AML caller) */ + + StringDesc = WalkState->Arguments[0].Object; + if (!StringDesc || + (StringDesc->Common.Type != ACPI_TYPE_STRING)) + { + return_ACPI_STATUS (AE_TYPE); + } + + /* Create a return object */ + + ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER); + if (!ReturnDesc) + { + return_ACPI_STATUS (AE_NO_MEMORY); + } + + /* Default return value is 0, NOT SUPPORTED */ + + ReturnValue = 0; + (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER); + + /* Lookup the interface in the global _OSI list */ + + InterfaceInfo = AcpiUtGetInterface (StringDesc->String.Pointer); + if (InterfaceInfo && + !(InterfaceInfo->Flags & ACPI_OSI_INVALID)) + { + /* + * The interface is supported. + * Update the OsiData if necessary. We keep track of the latest + * version of Windows that has been requested by the BIOS. + */ + if (InterfaceInfo->Value > AcpiGbl_OsiData) + { + AcpiGbl_OsiData = InterfaceInfo->Value; + } + + ReturnValue = ACPI_UINT32_MAX; + } + + AcpiOsReleaseMutex (AcpiGbl_OsiMutex); + + /* + * Invoke an optional _OSI interface handler. The host OS may wish + * to do some interface-specific handling. For example, warn about + * certain interfaces or override the true/false support value. + */ + InterfaceHandler = AcpiGbl_InterfaceHandler; + if (InterfaceHandler) + { + ReturnValue = InterfaceHandler ( + StringDesc->String.Pointer, ReturnValue); + } + + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO, + "ACPI: BIOS _OSI(\"%s\") is %ssupported\n", + StringDesc->String.Pointer, ReturnValue == 0 ? "not " : "")); + + /* Complete the return object */ + + ReturnDesc->Integer.Value = ReturnValue; + WalkState->ReturnDesc = ReturnDesc; + return_ACPI_STATUS (AE_OK); +} |
