X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=include%2Fasm-i386%2Fmach-xen%2Fasm%2Fswiotlb.h;h=cf4ba38f89d3542a741570963aaa5c882eef40c5;hb=refs%2Fheads%2Fvserver;hp=9a36815acb4a6c44dcc09e39e16e5e5fe13d9ae8;hpb=1db395853d4f30d6120458bd279ede1f882a8525;p=linux-2.6.git

diff --git a/include/asm-i386/mach-xen/asm/swiotlb.h b/include/asm-i386/mach-xen/asm/swiotlb.h
index 9a36815ac..cf4ba38f8 100644
--- a/include/asm-i386/mach-xen/asm/swiotlb.h
+++ b/include/asm-i386/mach-xen/asm/swiotlb.h
@@ -1,9 +1,6 @@
 #ifndef _ASM_SWIOTLB_H
 #define _ASM_SWIOTLB_H 1
 
-#include <linux/config.h>
-#include <asm/scatterlist.h>
-
 /* SWIOTLB interface */
 
 extern dma_addr_t swiotlb_map_single(struct device *hwdev, void *ptr, size_t size,
@@ -35,6 +32,9 @@ extern void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dma_address,
 extern int swiotlb_dma_supported(struct device *hwdev, u64 mask);
 extern void swiotlb_init(void);
 
+/* Width of DMA addresses in the IO TLB. 30 bits is a b44 limitation. */
+#define IO_TLB_DMA_BITS 30
+
 #ifdef CONFIG_SWIOTLB
 extern int swiotlb;
 #else