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Diffstat (limited to 'sys/contrib/dev/acpica/utmutex.c')
-rw-r--r-- | sys/contrib/dev/acpica/utmutex.c | 464 |
1 files changed, 0 insertions, 464 deletions
diff --git a/sys/contrib/dev/acpica/utmutex.c b/sys/contrib/dev/acpica/utmutex.c deleted file mode 100644 index 701d26951d1c..000000000000 --- a/sys/contrib/dev/acpica/utmutex.c +++ /dev/null @@ -1,464 +0,0 @@ -/******************************************************************************* - * - * Module Name: utmutex - local mutex support - * $Revision: 1.12 $ - * - ******************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999 - 2007, 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 __UTMUTEX_C__ - -#include <contrib/dev/acpica/acpi.h> - -#define _COMPONENT ACPI_UTILITIES - ACPI_MODULE_NAME ("utmutex") - -/* Local prototypes */ - -static ACPI_STATUS -AcpiUtCreateMutex ( - ACPI_MUTEX_HANDLE MutexId); - -static ACPI_STATUS -AcpiUtDeleteMutex ( - ACPI_MUTEX_HANDLE MutexId); - - -/******************************************************************************* - * - * FUNCTION: AcpiUtMutexInitialize - * - * PARAMETERS: None. - * - * RETURN: Status - * - * DESCRIPTION: Create the system mutex objects. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtMutexInitialize ( - void) -{ - UINT32 i; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (UtMutexInitialize); - - - /* - * Create each of the predefined mutex objects - */ - for (i = 0; i < ACPI_NUM_MUTEX; i++) - { - Status = AcpiUtCreateMutex (i); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - - /* Create the spinlocks for use at interrupt level */ - - Status = AcpiOsCreateLock (&AcpiGbl_GpeLock); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - Status = AcpiOsCreateLock (&AcpiGbl_HardwareLock); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtMutexTerminate - * - * PARAMETERS: None. - * - * RETURN: None. - * - * DESCRIPTION: Delete all of the system mutex objects. - * - ******************************************************************************/ - -void -AcpiUtMutexTerminate ( - void) -{ - UINT32 i; - - - ACPI_FUNCTION_TRACE (UtMutexTerminate); - - - /* - * Delete each predefined mutex object - */ - for (i = 0; i < ACPI_NUM_MUTEX; i++) - { - (void) AcpiUtDeleteMutex (i); - } - - /* Delete the spinlocks */ - - AcpiOsDeleteLock (AcpiGbl_GpeLock); - AcpiOsDeleteLock (AcpiGbl_HardwareLock); - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtCreateMutex - * - * PARAMETERS: MutexID - ID of the mutex to be created - * - * RETURN: Status - * - * DESCRIPTION: Create a mutex object. - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiUtCreateMutex ( - ACPI_MUTEX_HANDLE MutexId) -{ - ACPI_STATUS Status = AE_OK; - - - ACPI_FUNCTION_TRACE_U32 (UtCreateMutex, MutexId); - - - if (MutexId > ACPI_MAX_MUTEX) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - if (!AcpiGbl_MutexInfo[MutexId].Mutex) - { - Status = AcpiOsCreateMutex (&AcpiGbl_MutexInfo[MutexId].Mutex); - AcpiGbl_MutexInfo[MutexId].ThreadId = ACPI_MUTEX_NOT_ACQUIRED; - AcpiGbl_MutexInfo[MutexId].UseCount = 0; - } - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtDeleteMutex - * - * PARAMETERS: MutexID - ID of the mutex to be deleted - * - * RETURN: Status - * - * DESCRIPTION: Delete a mutex object. - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiUtDeleteMutex ( - ACPI_MUTEX_HANDLE MutexId) -{ - - ACPI_FUNCTION_TRACE_U32 (UtDeleteMutex, MutexId); - - - if (MutexId > ACPI_MAX_MUTEX) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - AcpiOsDeleteMutex (AcpiGbl_MutexInfo[MutexId].Mutex); - - AcpiGbl_MutexInfo[MutexId].Mutex = NULL; - AcpiGbl_MutexInfo[MutexId].ThreadId = ACPI_MUTEX_NOT_ACQUIRED; - - return_ACPI_STATUS (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtAcquireMutex - * - * PARAMETERS: MutexID - ID of the mutex to be acquired - * - * RETURN: Status - * - * DESCRIPTION: Acquire a mutex object. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtAcquireMutex ( - ACPI_MUTEX_HANDLE MutexId) -{ - ACPI_STATUS Status; - ACPI_THREAD_ID ThisThreadId; - - - ACPI_FUNCTION_NAME (UtAcquireMutex); - - - if (MutexId > ACPI_MAX_MUTEX) - { - return (AE_BAD_PARAMETER); - } - - ThisThreadId = AcpiOsGetThreadId (); - -#ifdef ACPI_MUTEX_DEBUG - { - UINT32 i; - /* - * Mutex debug code, for internal debugging only. - * - * Deadlock prevention. Check if this thread owns any mutexes of value - * greater than or equal to this one. If so, the thread has violated - * the mutex ordering rule. This indicates a coding error somewhere in - * the ACPI subsystem code. - */ - for (i = MutexId; i < ACPI_MAX_MUTEX; i++) - { - if (AcpiGbl_MutexInfo[i].ThreadId == ThisThreadId) - { - if (i == MutexId) - { - ACPI_ERROR ((AE_INFO, - "Mutex [%s] already acquired by this thread [%X]", - AcpiUtGetMutexName (MutexId), ThisThreadId)); - - return (AE_ALREADY_ACQUIRED); - } - - ACPI_ERROR ((AE_INFO, - "Invalid acquire order: Thread %X owns [%s], wants [%s]", - ThisThreadId, AcpiUtGetMutexName (i), - AcpiUtGetMutexName (MutexId))); - - return (AE_ACQUIRE_DEADLOCK); - } - } - } -#endif - - ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, - "Thread %X attempting to acquire Mutex [%s]\n", - ThisThreadId, AcpiUtGetMutexName (MutexId))); - - Status = AcpiOsAcquireMutex (AcpiGbl_MutexInfo[MutexId].Mutex, - ACPI_WAIT_FOREVER); - if (ACPI_SUCCESS (Status)) - { - ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n", - ThisThreadId, AcpiUtGetMutexName (MutexId))); - - AcpiGbl_MutexInfo[MutexId].UseCount++; - AcpiGbl_MutexInfo[MutexId].ThreadId = ThisThreadId; - } - else - { - ACPI_EXCEPTION ((AE_INFO, Status, - "Thread %X could not acquire Mutex [%X]", ThisThreadId, MutexId)); - } - - return (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtReleaseMutex - * - * PARAMETERS: MutexID - ID of the mutex to be released - * - * RETURN: Status - * - * DESCRIPTION: Release a mutex object. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtReleaseMutex ( - ACPI_MUTEX_HANDLE MutexId) -{ - ACPI_THREAD_ID ThisThreadId; - - - ACPI_FUNCTION_NAME (UtReleaseMutex); - - - ThisThreadId = AcpiOsGetThreadId (); - ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, - "Thread %X releasing Mutex [%s]\n", ThisThreadId, - AcpiUtGetMutexName (MutexId))); - - if (MutexId > ACPI_MAX_MUTEX) - { - return (AE_BAD_PARAMETER); - } - - /* - * Mutex must be acquired in order to release it! - */ - if (AcpiGbl_MutexInfo[MutexId].ThreadId == ACPI_MUTEX_NOT_ACQUIRED) - { - ACPI_ERROR ((AE_INFO, - "Mutex [%X] is not acquired, cannot release", MutexId)); - - return (AE_NOT_ACQUIRED); - } - -#ifdef ACPI_MUTEX_DEBUG - { - UINT32 i; - /* - * Mutex debug code, for internal debugging only. - * - * Deadlock prevention. Check if this thread owns any mutexes of value - * greater than this one. If so, the thread has violated the mutex - * ordering rule. This indicates a coding error somewhere in - * the ACPI subsystem code. - */ - for (i = MutexId; i < ACPI_MAX_MUTEX; i++) - { - if (AcpiGbl_MutexInfo[i].ThreadId == ThisThreadId) - { - if (i == MutexId) - { - continue; - } - - ACPI_ERROR ((AE_INFO, - "Invalid release order: owns [%s], releasing [%s]", - AcpiUtGetMutexName (i), AcpiUtGetMutexName (MutexId))); - - return (AE_RELEASE_DEADLOCK); - } - } - } -#endif - - /* Mark unlocked FIRST */ - - AcpiGbl_MutexInfo[MutexId].ThreadId = ACPI_MUTEX_NOT_ACQUIRED; - - AcpiOsReleaseMutex (AcpiGbl_MutexInfo[MutexId].Mutex); - return (AE_OK); -} - - |