From ec30c856a80270578a90528ecffdaf4eaf148503 Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Sat, 26 Jul 2014 15:31:08 +0100
Subject: [ioapi] Centralise notion of PAGE_SIZE

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/include/ipxe/io.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/include/ipxe/io.h')

diff --git a/src/include/ipxe/io.h b/src/include/ipxe/io.h
index b8b8aa313..29ccfd1fa 100644
--- a/src/include/ipxe/io.h
+++ b/src/include/ipxe/io.h
@@ -23,6 +23,12 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #include <config/ioapi.h>
 #include <ipxe/uaccess.h>
 
+/** Page size */
+#define PAGE_SIZE ( 1 << PAGE_SHIFT )
+
+/** Page mask */
+#define PAGE_MASK ( PAGE_SIZE - 1 )
+
 /**
  * Calculate static inline I/O API function name
  *
-- 
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