/*
* 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@
*/
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 */
projects / apple / xnu.git / blobdiff