X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0c530ab8987f0ae6a1a3d9284f40182b88852816..a991bd8d3e7fe02dbca0644054bab73c5b75324a:/iokit/Kernel/IOKitKernelInternal.h diff --git a/iokit/Kernel/IOKitKernelInternal.h b/iokit/Kernel/IOKitKernelInternal.h index 373783f4f..1cbb0485d 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@ - * - * 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 Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * 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. + * + * 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. - * - * @APPLE_LICENSE_HEADER_END@ + * 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_OSREFERENCE_LICENSE_HEADER_END@ */ @@ -28,64 +34,198 @@ __BEGIN_DECLS -#include +#include #include #include +#include +#include + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 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 ); + IOIteratePageableMapsCallback callback, void * ref); +vm_map_t IOPageableMapForAddress(uintptr_t address); + +struct IOMemoryDescriptorMapAllocRef { + vm_map_t map; + mach_vm_address_t mapped; + mach_vm_size_t size; + vm_prot_t prot; + vm_tag_t tag; + IOOptionBits options; +}; -mach_vm_address_t -IOKernelAllocateContiguous(mach_vm_size_t size, mach_vm_size_t alignment); -void -IOKernelFreeContiguous(mach_vm_address_t address, mach_vm_size_t size); +kern_return_t +IOMemoryDescriptorMapAlloc(vm_map_t map, void * ref); -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, mach_vm_address_t va, mach_vm_address_t pa, - mach_vm_size_t length, unsigned int options); -extern kern_return_t IOUnmapPages(vm_map_t map, mach_vm_address_t va, mach_vm_size_t length); +mach_vm_address_t +IOKernelAllocateWithPhysicalRestrict(mach_vm_size_t size, mach_vm_address_t maxPhys, + mach_vm_size_t alignment, bool contiguous); +void +IOKernelFreePhysical(mach_vm_address_t address, mach_vm_size_t size); -extern kern_return_t IOProtectCacheMode(vm_map_t map, mach_vm_address_t va, - mach_vm_size_t length, unsigned int mapFlags); +#if IOTRACKING +IOReturn +IOMemoryMapTracking(IOTrackingUser * tracking, task_t * task, + mach_vm_address_t * address, mach_vm_size_t * size); +#endif /* IOTRACKING */ -extern ppnum_t IOGetLastPageNumber(void); +extern vm_size_t debug_iomallocpageable_size; extern ppnum_t gIOLastPage; +extern IOSimpleLock * gIOPageAllocLock; +extern queue_head_t gIOPageAllocList; + /* Physical to physical copy (ints must be disabled) */ -extern void bcopy_phys(addr64_t from, addr64_t to, int size); +extern void bcopy_phys(addr64_t from, addr64_t to, vm_size_t size); __END_DECLS -// Used for dedicated communications for IODMACommand -enum { - kIOMDWalkSegments = 0x00000001, - kIOMDFirstSegment = 0x00000002 | kIOMDWalkSegments, - kIOMDGetCharacteristics = 0x00000004, - kIOMDLastDMACommandOperation +#define __IODEQUALIFY(type, expr) \ + ({ typeof(expr) expr_ = (type)(uintptr_t)(expr); \ + (type)(uintptr_t)(expr_); }) + +struct IODMACommandMapSegment { + uint64_t fDMAOffset; // The offset of this segment in DMA + uint64_t fMapOffset; // Offset of segment in mapping + uint64_t fPageOffset; // Offset within first page of segment +}; + +struct IODMACommandInternal { + IOMDDMAWalkSegmentState fState; + IOMDDMACharacteristics fMDSummary; + + UInt64 fPreparedOffset; + UInt64 fPreparedLength; + + UInt32 fSourceAlignMask; + + UInt8 fCursor; + UInt8 fCheckAddressing; + UInt8 fIterateOnly; + UInt8 fMisaligned; + UInt8 fPrepared; + UInt8 fDoubleBuffer; + UInt8 fNewMD; + UInt8 fLocalMapperAllocValid; + UInt8 fIOVMAddrValid; + UInt8 fForceDoubleBuffer; + UInt8 fSetActiveNoMapper; + + vm_page_t fCopyPageAlloc; + vm_page_t fCopyNext; + vm_page_t fNextRemapPage; + + ppnum_t fCopyPageCount; + + uint64_t fLocalMapperAlloc; + uint64_t fLocalMapperAllocLength; + + OSPtr fCopyMD; + + IOService * fDevice; + + // IODMAEventSource use + IOReturn fStatus; + UInt64 fActualByteCount; + AbsoluteTime fTimeStamp; + + // Multisegment vars + IODMACommandMapSegment * fMapSegments; + uint32_t fMapSegmentsCount; + uint64_t fLocalMapperAllocBase; + uint64_t fOffset2Index; + uint64_t fNextOffset; + uint64_t fIndex; +}; + +struct IOMemoryDescriptorDevicePager { + void * devicePager; + unsigned int pagerContig:1; + unsigned int unused:31; + IOMemoryDescriptor * memory; +}; + +struct IOMemoryDescriptorReserved { + IOMemoryDescriptorDevicePager dp; + uint64_t descriptorID; + uint64_t preparationID; + // for kernel IOMD subclasses... they have no expansion + uint64_t kernReserved[4]; + vm_tag_t kernelTag; + vm_tag_t userTag; + task_t creator; }; -struct IOMDDMACharacteristics { - UInt64 fLength; - UInt32 fSGCount; - UInt32 fPages; - UInt32 fPageAlign; - ppnum_t fHighestPage; - IODirection fDirection; - UInt8 fIsMapped, fIsPrepared; + +struct iopa_t { + IOLock * lock; + queue_head_t list; + vm_size_t pagecount; + vm_size_t bytecount; +}; + +struct iopa_page_t { + queue_chain_t link; + uint64_t avail; + uint32_t signature; }; -struct IOMDDMAWalkSegmentArgs { - UInt64 fOffset; // Input/Output offset - UInt64 fIOVMAddr, fLength; // Output variables - UInt8 fMapped; // Input Variable, Require mapped IOVMA +typedef struct iopa_page_t iopa_page_t; + +typedef uintptr_t (*iopa_proc_t)(iopa_t * a); + +enum{ + kIOPageAllocSignature = 'iopa' }; -typedef UInt8 IOMDDMAWalkSegmentState[128]; + +extern "C" void iopa_init(iopa_t * a); +extern "C" uintptr_t iopa_alloc(iopa_t * a, iopa_proc_t alloc, vm_size_t bytes, vm_size_t balign); +extern "C" uintptr_t iopa_free(iopa_t * a, uintptr_t addr, vm_size_t bytes); +extern "C" uint32_t gIOPageAllocChunkBytes; + +extern "C" iopa_t gIOBMDPageAllocator; + +extern "C" struct timeval gIOLastSleepTime; +extern "C" struct timeval gIOLastWakeTime; + +extern clock_sec_t gIOConsoleLockTime; + +extern bool gCPUsRunning; + +extern OSSet * gIORemoveOnReadProperties; + +extern "C" void IOKitInitializeTime( void ); +extern void IOMachPortInitialize(void); + +extern "C" OSString * IOCopyLogNameForPID(int pid); + +extern "C" void IOKitKernelLogBuffer(const char * title, const void * buffer, size_t size, + void (*output)(const char *format, ...)); + +#if defined(__i386__) || defined(__x86_64__) +#ifndef __cplusplus +#error xx +#endif + +extern const OSSymbol * gIOCreateEFIDevicePathSymbol; +extern "C" void IOSetKeyStoreData(LIBKERN_CONSUMED IOMemoryDescriptor * data); +extern "C" void IOSetAPFSKeyStoreData(LIBKERN_CONSUMED IOMemoryDescriptor* data); +extern "C" void IOSetARVRootHashData(LIBKERN_CONSUMED IOMemoryDescriptor* arvData); +extern "C" void IOSetARVManifestData(LIBKERN_CONSUMED IOMemoryDescriptor* arvData); +#endif +extern const OSSymbol * gAKSGetKey; + +void IOScreenLockTimeUpdate(clock_sec_t secs); + +void IOCPUInitialize(void); +IOReturn IOInstallServicePlatformActions(IOService * service); +IOReturn IOInstallServiceSleepPlatformActions(IOService * service); +IOReturn IORemoveServicePlatformActions(IOService * service); +void IOCPUSleepKernel(void); +void IOPlatformActionsInitialize(void); #endif /* ! _IOKIT_KERNELINTERNAL_H */