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 afa64a600ba7903f76ad52d3342a74a4223b61f8..ea74e3bd9594cb5dc945e4f58a5f1f0cf4b635eb 100644 (file)
--- a/iokit/Kernel/IOKitKernelInternal.h
+++ b/iokit/Kernel/IOKitKernelInternal.h
@@ -43,16 +43,22 @@ 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);
+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);
-
-SInt32 OSKernelStackRemaining( void );
+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_size_t alignment);
+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);
 
@@ -80,6 +86,8 @@ enum  {
     kIOMDWalkSegments         = 0x00000001,
     kIOMDFirstSegment        = 0x00000002 | kIOMDWalkSegments,
     kIOMDGetCharacteristics   = 0x00000004,
+    kIOMDSetDMAActive         = 0x00000005,
+    kIOMDSetDMAInactive       = 0x00000006,
     kIOMDLastDMACommandOperation
 };
 struct IOMDDMACharacteristics {
@@ -106,20 +114,26 @@ struct IODMACommandInternal
     UInt64 fPreparedOffset;
     UInt64 fPreparedLength;
 
+       UInt32 fSourceAlignMask;
+       
     UInt8  fCursor;
     UInt8  fCheckAddressing;
     UInt8  fIterateOnly;
     UInt8  fMisaligned;
-    UInt8  fCopyContig;
+    UInt8  fMapContig;
     UInt8  fPrepared;
     UInt8  fDoubleBuffer;
-    UInt8  __pad[1];
-
-    ppnum_t  fCopyPageAlloc;
+    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