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 4564ad3eba3094c168be4e1128284293e27c05b8..9f5d5a3f7f2eaf50c30f3244b8a70ce5e208d203 100644 (file)
--- a/iokit/IOKit/IOTypes.h
+++ b/iokit/IOKit/IOTypes.h
@@ -1,31 +1,30 @@
 /*
- * Copyright (c) 1998-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2006 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@
- */
-/*
- * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved. 
- *
- * HISTORY
- *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
-
 #ifndef        __IOKIT_IOTYPES_H
 #define __IOKIT_IOTYPES_H
 
@@ -47,7 +46,11 @@ extern "C" {
 #endif
 
 #ifndef        NULL
+#if defined (__cplusplus)
 #define        NULL    0
+#else
+#define NULL ((void *)0)
+#endif
 #endif
        
 /*
@@ -62,58 +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
 
-  /* LP64todo - these will need to expand to mach_vm_address_t */
-typedef vm_address_t    IOVirtualAddress;
-typedef IOVirtualAddress IOLogicalAddress;
+#if defined(__LP64__) && defined(KERNEL)
+typedef IOByteCount64          IOByteCount;
+#else
+typedef IOByteCount32          IOByteCount;
+#endif
 
-#if 0
+typedef IOVirtualAddress    IOLogicalAddress;
 
-typedef UInt64 IOPhysicalAddress;
-typedef UInt64 IOPhysicalLength;
+#if defined(__LP64__) && defined(KERNEL)
+
+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.
@@ -193,6 +214,9 @@ enum {
     kIOMapStatic               = 0x01000000,
     kIOMapReference            = 0x02000000,
     kIOMapUnique               = 0x04000000
+#ifdef XNU_KERNEL_PRIVATE
+    , kIOMap64Bit              = 0x08000000
+#endif
 };
 
 /*! @enum Scale Factors
@@ -214,18 +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