forked from KolibriOS/kolibrios
495 lines
17 KiB
C
495 lines
17 KiB
C
/******************************************************************************
|
|
*
|
|
* Module Name: utosi - Support for the _OSI predefined control method
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 1. Copyright Notice
|
|
*
|
|
* Some or all of this work - Copyright (c) 1999 - 2011, 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 "acpi.h"
|
|
#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 2006 SP2", NULL, 0, ACPI_OSI_WIN_VISTA_SP2}, /* Windows Vista SP2 - Added 09/2010 */
|
|
{"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);
|
|
}
|