X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/378393581903b274cb7a4d18e0d978071a6b592d..b7266188b87f3620ec3f9f717e57194a7dd989fe:/iokit/Kernel/IOKitKernelInternal.h diff --git a/iokit/Kernel/IOKitKernelInternal.h b/iokit/Kernel/IOKitKernelInternal.h index 9322aa0b5..ea74e3bd9 100644 --- a/iokit/Kernel/IOKitKernelInternal.h +++ b/iokit/Kernel/IOKitKernelInternal.h @@ -1,23 +1,29 @@ /* * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ @@ -37,20 +43,110 @@ typedef kern_return_t (*IOIteratePageableMapsCallback)(vm_map_t map, void * ref) void IOLibInit(void); kern_return_t IOIteratePageableMaps(vm_size_t size, IOIteratePageableMapsCallback callback, void * ref); -vm_map_t IOPageableMapForAddress( vm_address_t address ); -SInt32 OSKernelStackRemaining( void ); +vm_map_t IOPageableMapForAddress(uintptr_t address); + +kern_return_t +IOMemoryDescriptorMapMemEntry(vm_map_t map, ipc_port_t entry, IOOptionBits options, bool pageable, + mach_vm_size_t offset, mach_vm_address_t * address, mach_vm_size_t length); +kern_return_t +IOMemoryDescriptorMapCopy(vm_map_t map, + vm_map_t src_map, + mach_vm_offset_t src_address, + IOOptionBits options, + mach_vm_size_t offset, + mach_vm_address_t * address, mach_vm_size_t length); + +mach_vm_address_t +IOKernelAllocateContiguous(mach_vm_size_t size, + mach_vm_address_t maxPhys, mach_vm_size_t alignment); +void +IOKernelFreeContiguous(mach_vm_address_t address, mach_vm_size_t size); extern vm_size_t debug_iomallocpageable_size; // osfmk/device/iokit_rpc.c -// LP64todo - these need to expand -extern kern_return_t IOMapPages( vm_map_t map, vm_offset_t va, vm_offset_t pa, - vm_size_t length, unsigned int mapFlags); -extern kern_return_t IOUnmapPages(vm_map_t map, vm_offset_t va, vm_size_t length); +extern kern_return_t IOMapPages(vm_map_t map, mach_vm_address_t va, mach_vm_address_t pa, + mach_vm_size_t length, unsigned int mapFlags); +extern kern_return_t IOUnmapPages(vm_map_t map, mach_vm_address_t va, mach_vm_size_t length); + +extern kern_return_t IOProtectCacheMode(vm_map_t map, mach_vm_address_t va, + mach_vm_size_t length, unsigned int mapFlags); + +extern ppnum_t IOGetLastPageNumber(void); + +extern ppnum_t gIOLastPage; /* Physical to physical copy (ints must be disabled) */ extern void bcopy_phys(addr64_t from, addr64_t to, int size); __END_DECLS +// Used for dedicated communications for IODMACommand +enum { + kIOMDWalkSegments = 0x00000001, + kIOMDFirstSegment = 0x00000002 | kIOMDWalkSegments, + kIOMDGetCharacteristics = 0x00000004, + kIOMDSetDMAActive = 0x00000005, + kIOMDSetDMAInactive = 0x00000006, + kIOMDLastDMACommandOperation +}; +struct IOMDDMACharacteristics { + UInt64 fLength; + UInt32 fSGCount; + UInt32 fPages; + UInt32 fPageAlign; + ppnum_t fHighestPage; + IODirection fDirection; + UInt8 fIsMapped, fIsPrepared; +}; +struct IOMDDMAWalkSegmentArgs { + UInt64 fOffset; // Input/Output offset + UInt64 fIOVMAddr, fLength; // Output variables + UInt8 fMapped; // Input Variable, Require mapped IOVMA +}; +typedef UInt8 IOMDDMAWalkSegmentState[128]; + +struct IODMACommandInternal +{ + IOMDDMAWalkSegmentState fState; + IOMDDMACharacteristics fMDSummary; + + UInt64 fPreparedOffset; + UInt64 fPreparedLength; + + UInt32 fSourceAlignMask; + + UInt8 fCursor; + UInt8 fCheckAddressing; + UInt8 fIterateOnly; + UInt8 fMisaligned; + UInt8 fMapContig; + UInt8 fPrepared; + UInt8 fDoubleBuffer; + UInt8 fNewMD; + UInt8 fLocalMapper; + + ppnum_t fCopyMapperPageAlloc; + ppnum_t fCopyPageCount; + ppnum_t fNextRemapIndex; + addr64_t fCopyNext; + + ppnum_t fLocalMapperPageAlloc; + ppnum_t fLocalMapperPageCount; + + class IOBufferMemoryDescriptor * fCopyMD; + + // IODMAEventSource use + IOReturn fStatus; + UInt64 fActualByteCount; +}; + +extern "C" struct timeval gIOLastSleepTime; +extern "C" struct timeval gIOLastWakeTime; + +extern "C" void IOKitResetTime( void ); +extern "C" void IOKitInitializeTime( void ); + +extern "C" OSString * IOCopyLogNameForPID(int pid); + #endif /* ! _IOKIT_KERNELINTERNAL_H */