projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 91447636 A |
1 | /* |
| 2 | * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 8ad349bb | 4 | * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ |
| 91447636 | 5 | * |
| 8ad349bb A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the | |
| 10 | * License may not be used to create, or enable the creation or | |
| 11 | * redistribution of, unlawful or unlicensed copies of an Apple operating | |
| 12 | * system, or to circumvent, violate, or enable the circumvention or | |
| 13 | * violation of, any terms of an Apple operating system software license | |
| 14 | * agreement. | |
| 15 | * | |
| 16 | * Please obtain a copy of the License at | |
| 17 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 18 | * file. | |
| 19 | * | |
| 20 | * The Original Code and all software distributed under the License are | |
| 21 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 22 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 23 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 24 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 25 | * Please see the License for the specific language governing rights and | |
| 26 | * limitations under the License. | |
| 27 | * | |
| 28 | * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ | |
| 91447636 A |
29 | */ |
| 30 | ||
| 31 | ||
| 32 | #ifndef _IOKIT_KERNELINTERNAL_H | |
| 33 | #define _IOKIT_KERNELINTERNAL_H | |
| 34 | ||
| 35 | #include <sys/cdefs.h> | |
| 36 | ||
| 37 | __BEGIN_DECLS | |
| 38 | ||
| 39 | #include <vm/pmap.h> | |
| 40 | #include <mach/memory_object_types.h> | |
| 41 | #include <device/device_port.h> | |
| 42 | ||
| 43 | typedef kern_return_t (*IOIteratePageableMapsCallback)(vm_map_t map, void * ref); | |
| 44 | ||
| 45 | void IOLibInit(void); | |
| 46 | kern_return_t IOIteratePageableMaps(vm_size_t size, | |
| 47 | IOIteratePageableMapsCallback callback, void * ref); | |
| 48 | vm_map_t IOPageableMapForAddress( vm_address_t address ); | |
| 49 | SInt32 OSKernelStackRemaining( void ); | |
| 50 | ||
| 5d5c5d0d A |
51 | mach_vm_address_t |
| 52 | IOKernelAllocateContiguous(mach_vm_size_t size, mach_vm_size_t alignment); | |
| 53 | void | |
| 54 | IOKernelFreeContiguous(mach_vm_address_t address, mach_vm_size_t size); | |
| 55 | ||
| 91447636 A |
56 | extern vm_size_t debug_iomallocpageable_size; |
| 57 | ||
| 58 | // osfmk/device/iokit_rpc.c | |
| 59 | // LP64todo - these need to expand | |
| 5d5c5d0d A |
60 | extern kern_return_t IOMapPages(vm_map_t map, mach_vm_address_t va, mach_vm_address_t pa, |
| 61 | mach_vm_size_t length, unsigned int options); | |
| 62 | extern kern_return_t IOUnmapPages(vm_map_t map, mach_vm_address_t va, mach_vm_size_t length); | |
| 63 | ||
| 64 | extern kern_return_t IOProtectCacheMode(vm_map_t map, mach_vm_address_t va, | |
| 65 | mach_vm_size_t length, unsigned int mapFlags); | |
| 66 | ||
| 67 | extern ppnum_t IOGetLastPageNumber(void); | |
| 68 | ||
| 69 | extern ppnum_t gIOLastPage; | |
| 91447636 A |
70 | |
| 71 | /* Physical to physical copy (ints must be disabled) */ | |
| 72 | extern void bcopy_phys(addr64_t from, addr64_t to, int size); | |
| 73 | ||
| 74 | __END_DECLS | |
| 75 | ||
| 5d5c5d0d A |
76 | // Used for dedicated communications for IODMACommand |
| 77 | enum { | |
| 78 | kIOMDWalkSegments = 0x00000001, | |
| 79 | kIOMDFirstSegment = 0x00000002 | kIOMDWalkSegments, | |
| 80 | kIOMDGetCharacteristics = 0x00000004, | |
| 81 | kIOMDLastDMACommandOperation | |
| 82 | }; | |
| 83 | struct IOMDDMACharacteristics { | |
| 84 | UInt64 fLength; | |
| 85 | UInt32 fSGCount; | |
| 86 | UInt32 fPages; | |
| 87 | UInt32 fPageAlign; | |
| 88 | ppnum_t fHighestPage; | |
| 89 | IODirection fDirection; | |
| 90 | UInt8 fIsMapped, fIsPrepared; | |
| 91 | }; | |
| 92 | struct IOMDDMAWalkSegmentArgs { | |
| 93 | UInt64 fOffset; // Input/Output offset | |
| 94 | UInt64 fIOVMAddr, fLength; // Output variables | |
| 95 | UInt8 fMapped; // Input Variable, Require mapped IOVMA | |
| 96 | }; | |
| 97 | typedef UInt8 IOMDDMAWalkSegmentState[128]; | |
| 98 | ||
| 91447636 | 99 | #endif /* ! _IOKIT_KERNELINTERNAL_H */ |