/****************************************************************************** * * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL). These * interfaces must be implemented by OSL to interface the * ACPI components to the host operating system. * *****************************************************************************/ /* * Copyright (C) 2000 - 2012, 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. */ #ifndef __ACPIOSXF_H__ #define __ACPIOSXF_H__ #include "platform/acenv.h" #include "actypes.h" /* Types for AcpiOsExecute */ typedef enum { OSL_GLOBAL_LOCK_HANDLER, OSL_NOTIFY_HANDLER, OSL_GPE_HANDLER, OSL_DEBUGGER_THREAD, OSL_EC_POLL_HANDLER, OSL_EC_BURST_HANDLER } ACPI_EXECUTE_TYPE; #define ACPI_NO_UNIT_LIMIT ((UINT32) -1) #define ACPI_MUTEX_SEM 1 /* Functions for AcpiOsSignal */ #define ACPI_SIGNAL_FATAL 0 #define ACPI_SIGNAL_BREAKPOINT 1 typedef struct acpi_signal_fatal_info { UINT32 Type; UINT32 Code; UINT32 Argument; } ACPI_SIGNAL_FATAL_INFO; /* * OSL Initialization and shutdown primitives */ ACPI_STATUS AcpiOsInitialize ( void); ACPI_STATUS AcpiOsTerminate ( void); /* * ACPI Table interfaces */ ACPI_PHYSICAL_ADDRESS AcpiOsGetRootPointer ( void); ACPI_STATUS AcpiOsPredefinedOverride ( const ACPI_PREDEFINED_NAMES *InitVal, ACPI_STRING *NewVal); ACPI_STATUS AcpiOsTableOverride ( ACPI_TABLE_HEADER *ExistingTable, ACPI_TABLE_HEADER **NewTable); ACPI_STATUS AcpiOsPhysicalTableOverride ( ACPI_TABLE_HEADER *ExistingTable, ACPI_PHYSICAL_ADDRESS *NewAddress, UINT32 *NewTableLength); /* * Spinlock primitives */ ACPI_STATUS AcpiOsCreateLock ( ACPI_SPINLOCK *OutHandle); void AcpiOsDeleteLock ( ACPI_SPINLOCK Handle); ACPI_CPU_FLAGS AcpiOsAcquireLock ( ACPI_SPINLOCK Handle); void AcpiOsReleaseLock ( ACPI_SPINLOCK Handle, ACPI_CPU_FLAGS Flags); /* * Semaphore primitives */ ACPI_STATUS AcpiOsCreateSemaphore ( UINT32 MaxUnits, UINT32 InitialUnits, ACPI_SEMAPHORE *OutHandle); ACPI_STATUS AcpiOsDeleteSemaphore ( ACPI_SEMAPHORE Handle); ACPI_STATUS AcpiOsWaitSemaphore ( ACPI_SEMAPHORE Handle, UINT32 Units, UINT16 Timeout); ACPI_STATUS AcpiOsSignalSemaphore ( ACPI_SEMAPHORE Handle, UINT32 Units); /* * Mutex primitives. May be configured to use semaphores instead via * ACPI_MUTEX_TYPE (see platform/acenv.h) */ #if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE) ACPI_STATUS AcpiOsCreateMutex ( ACPI_MUTEX *OutHandle); void AcpiOsDeleteMutex ( ACPI_MUTEX Handle); ACPI_STATUS AcpiOsAcquireMutex ( ACPI_MUTEX Handle, UINT16 Timeout); void AcpiOsReleaseMutex ( ACPI_MUTEX Handle); #endif /* * Memory allocation and mapping */ void * AcpiOsAllocate ( ACPI_SIZE Size); void AcpiOsFree ( void * Memory); void * AcpiOsMapMemory ( ACPI_PHYSICAL_ADDRESS Where, ACPI_SIZE Length); void AcpiOsUnmapMemory ( void *LogicalAddress, ACPI_SIZE Size); ACPI_STATUS AcpiOsGetPhysicalAddress ( void *LogicalAddress, ACPI_PHYSICAL_ADDRESS *PhysicalAddress); /* * Memory/Object Cache */ ACPI_STATUS AcpiOsCreateCache ( char *CacheName, UINT16 ObjectSize, UINT16 MaxDepth, ACPI_CACHE_T **ReturnCache); ACPI_STATUS AcpiOsDeleteCache ( ACPI_CACHE_T *Cache); ACPI_STATUS AcpiOsPurgeCache ( ACPI_CACHE_T *Cache); void * AcpiOsAcquireObject ( ACPI_CACHE_T *Cache); ACPI_STATUS AcpiOsReleaseObject ( ACPI_CACHE_T *Cache, void *Object); /* * Interrupt handlers */ ACPI_STATUS AcpiOsInstallInterruptHandler ( UINT32 InterruptNumber, ACPI_OSD_HANDLER ServiceRoutine, void *Context); ACPI_STATUS AcpiOsRemoveInterruptHandler ( UINT32 InterruptNumber, ACPI_OSD_HANDLER ServiceRoutine); /* * Threads and Scheduling */ ACPI_THREAD_ID AcpiOsGetThreadId ( void); ACPI_STATUS AcpiOsExecute ( ACPI_EXECUTE_TYPE Type, ACPI_OSD_EXEC_CALLBACK Function, void *Context); void AcpiOsWaitEventsComplete ( void); void AcpiOsSleep ( UINT64 Milliseconds); void AcpiOsStall ( UINT32 Microseconds); /* * Platform and hardware-independent I/O interfaces */ ACPI_STATUS AcpiOsReadPort ( ACPI_IO_ADDRESS Address, UINT32 *Value, UINT32 Width); ACPI_STATUS AcpiOsWritePort ( ACPI_IO_ADDRESS Address, UINT32 Value, UINT32 Width); /* * Platform and hardware-independent physical memory interfaces */ ACPI_STATUS AcpiOsReadMemory ( ACPI_PHYSICAL_ADDRESS Address, UINT64 *Value, UINT32 Width); ACPI_STATUS AcpiOsWriteMemory ( ACPI_PHYSICAL_ADDRESS Address, UINT64 Value, UINT32 Width); /* * Platform and hardware-independent PCI configuration space access * Note: Can't use "Register" as a parameter, changed to "Reg" -- * certain compilers complain. */ ACPI_STATUS AcpiOsReadPciConfiguration ( ACPI_PCI_ID *PciId, UINT32 Reg, UINT64 *Value, UINT32 Width); ACPI_STATUS AcpiOsWritePciConfiguration ( ACPI_PCI_ID *PciId, UINT32 Reg, UINT64 Value, UINT32 Width); /* * Miscellaneous */ BOOLEAN AcpiOsReadable ( void *Pointer, ACPI_SIZE Length); BOOLEAN AcpiOsWritable ( void *Pointer, ACPI_SIZE Length); UINT64 AcpiOsGetTimer ( void); ACPI_STATUS AcpiOsSignal ( UINT32 Function, void *Info); /* * Debug print routines */ void ACPI_INTERNAL_VAR_XFACE AcpiOsPrintf ( const char *Format, ...); void AcpiOsVprintf ( const char *Format, va_list Args); void AcpiOsRedirectOutput ( void *Destination); /* * Debug input */ ACPI_STATUS AcpiOsGetLine ( char *Buffer, UINT32 BufferLength, UINT32 *BytesRead); /* * Directory manipulation */ void * AcpiOsOpenDirectory ( char *Pathname, char *WildcardSpec, char RequestedFileType); /* RequesteFileType values */ #define REQUEST_FILE_ONLY 0 #define REQUEST_DIR_ONLY 1 char * AcpiOsGetNextFilename ( void *DirHandle); void AcpiOsCloseDirectory ( void *DirHandle); #endif /* __ACPIOSXF_H__ */