xnu-1504.7.4.tar.gz

[apple/xnu.git] / iokit / IOKit / IOTypes.h

diff --git a/iokit/IOKit/IOTypes.h b/iokit/IOKit/IOTypes.h
index 294f325b34df229b3fbd6b7f09db0fc26783ad1a..9f5d5a3f7f2eaf50c30f3244b8a70ce5e208d203 100644 (file)
--- a/iokit/IOKit/IOTypes.h
+++ b/iokit/IOKit/IOTypes.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2006 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -25,13 +25,6 @@
  * 
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
-/*
- * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved. 
- *
- * HISTORY
- *
- */
-
 #ifndef        __IOKIT_IOTYPES_H
 #define __IOKIT_IOTYPES_H
 
@@ -53,7 +46,11 @@ extern "C" {
 #endif
 
 #ifndef        NULL
+#if defined (__cplusplus)
 #define        NULL    0
+#else
+#define NULL ((void *)0)
+#endif
 #endif
        
 /*
@@ -68,58 +65,76 @@ extern "C" {
 #endif /* __TYPES__ */
 #endif /* __MACTYPES__ */
 
+#if KERNEL
+#include <libkern/OSBase.h>
+#endif
+
 typedef UInt32         IOOptionBits;
 typedef SInt32         IOFixed;
 typedef UInt32         IOVersion;
 typedef UInt32         IOItemCount;
 typedef UInt32         IOCacheMode;
 
-typedef UInt32         IOByteCount;
+typedef UInt32         IOByteCount32;
+typedef UInt64         IOByteCount64;
+
+typedef UInt32 IOPhysicalAddress32;
+typedef UInt64 IOPhysicalAddress64;
+typedef UInt32 IOPhysicalLength32;
+typedef UInt64 IOPhysicalLength64;
+
+#ifdef __LP64__
+typedef mach_vm_address_t      IOVirtualAddress;
+#else
+typedef vm_address_t           IOVirtualAddress;
+#endif
+
+#if defined(__LP64__) && defined(KERNEL)
+typedef IOByteCount64          IOByteCount;
+#else
+typedef IOByteCount32          IOByteCount;
+#endif
 
-  /* LP64todo - these will need to expand to mach_vm_address_t */
-typedef vm_address_t    IOVirtualAddress;
-typedef IOVirtualAddress IOLogicalAddress;
+typedef IOVirtualAddress    IOLogicalAddress;
 
-#if 0
+#if defined(__LP64__) && defined(KERNEL)
 
-typedef UInt64 IOPhysicalAddress;
-typedef UInt64 IOPhysicalLength;
+typedef IOPhysicalAddress64     IOPhysicalAddress;
+typedef IOPhysicalLength64      IOPhysicalLength;
 #define IOPhysical32( hi, lo )         ((UInt64) lo + ((UInt64)(hi) << 32))
 #define IOPhysSize     64
 
 #else
 
-typedef UInt32 IOPhysicalAddress;
-typedef UInt32 IOPhysicalLength;
+typedef IOPhysicalAddress32     IOPhysicalAddress;
+typedef IOPhysicalLength32      IOPhysicalLength;
 #define IOPhysical32( hi, lo )         (lo)
 #define IOPhysSize     32
 
 #endif
 
-#if __cplusplus
-struct IOVirtualRange
+
+typedef struct
 {
-    IOVirtualAddress   address;
+    IOPhysicalAddress  address;
     IOByteCount                length;
-};
-struct IOAddressRange
-{
-    mach_vm_address_t  address;
-    mach_vm_size_t     length;
-};
-#else
+} IOPhysicalRange;
+
 typedef struct 
 {
     IOVirtualAddress   address;
     IOByteCount                length;
 } IOVirtualRange;
 
-struct IOAddressRange
+#ifdef __LP64__
+typedef IOVirtualRange IOAddressRange;
+#else /* !__LP64__ */
+typedef struct 
 {
     mach_vm_address_t  address;
     mach_vm_size_t     length;
-};
-#endif
+} IOAddressRange;
+#endif /* !__LP64__ */
 
 /*
  * Map between #defined or enum'd constants and text description.
@@ -199,6 +214,9 @@ enum {
     kIOMapStatic               = 0x01000000,
     kIOMapReference            = 0x02000000,
     kIOMapUnique               = 0x04000000
+#ifdef XNU_KERNEL_PRIVATE
+    , kIOMap64Bit              = 0x08000000
+#endif
 };
 
 /*! @enum Scale Factors
@@ -220,18 +238,8 @@ enum {
 /* compatibility types */
 
 #ifndef KERNEL
-/*
- * Machine-independent caching specification.
- */
-typedef enum {
-        IO_CacheOff,                    // cache inhibit
-        IO_WriteThrough,
-        IO_CopyBack
-} IOCache;
 
-//typedef char OSString[64];
 typedef unsigned int IODeviceNumber;
-typedef unsigned int IOObjectNumber;
 
 #endif