xnu-2422.90.20.tar.gz

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

diff --git a/iokit/IOKit/IOMemoryDescriptor.h b/iokit/IOKit/IOMemoryDescriptor.h
index 80fb15e23af7c0194f2e3708e8a956eb56887565..b1c6b77b3b6967f7f2072b695de9f8d48ae63cb5 100644 (file)
--- a/iokit/IOKit/IOMemoryDescriptor.h
+++ b/iokit/IOKit/IOMemoryDescriptor.h
@@ -56,9 +56,11 @@ enum IODirection
     kIODirectionInOut = kIODirectionIn  | kIODirectionOut,
 
     // these flags are valid for the prepare() method only
-    kIODirectionPrepareToPhys32   = 0x00000004,
-    kIODirectionPrepareNoFault    = 0x00000008,
-    kIODirectionPrepareReserved1  = 0x00000010,
+    kIODirectionPrepareToPhys32    = 0x00000004,
+    kIODirectionPrepareNoFault     = 0x00000008,
+    kIODirectionPrepareReserved1   = 0x00000010,
+#define IODIRECTIONPREPARENONCOHERENTDEFINED   1
+    kIODirectionPrepareNonCoherent = 0x00000020,
 };
 #ifdef __LP64__
 typedef IOOptionBits IODirection;