xnu-1504.3.12.tar.gz

[apple/xnu.git] / iokit / Kernel / IOKitKernelInternal.h

diff --git a/iokit/Kernel/IOKitKernelInternal.h b/iokit/Kernel/IOKitKernelInternal.h
index a5646f3d5ffb700037ffe3ec9890e4cd34a39c60..ea74e3bd9594cb5dc945e4f58a5f1f0cf4b635eb 100644 (file)
--- a/iokit/Kernel/IOKitKernelInternal.h
+++ b/iokit/Kernel/IOKitKernelInternal.h
@@ -43,20 +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 */