[IA64] swiotlb abstraction (e.g. for Xen)

Add abstraction so that the file can be used by environments other than IA64 and EM64T, namely for Xen. Signed-off-by: Jan Beulich <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Tony Luck <[email protected]>
yshchan · Feb 6, 2007 · 5109900 · 5109900
1 parent 563aaf0
commit 5109900
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Showing 3 changed files with 159 additions and 35 deletions.
diff --git a/include/asm-ia64/swiotlb.h b/include/asm-ia64/swiotlb.h
@@ -0,0 +1,9 @@
+#ifndef _ASM_SWIOTLB_H
+#define _ASM_SWIOTLB_H 1
+
+#include <asm/machvec.h>
+
+#define SWIOTLB_ARCH_NEED_LATE_INIT
+#define SWIOTLB_ARCH_NEED_ALLOC
+
+#endif /* _ASM_SWIOTLB_H */
diff --git a/include/asm-x86_64/swiotlb.h b/include/asm-x86_64/swiotlb.h
@@ -44,6 +44,7 @@ extern void swiotlb_init(void);
 extern int swiotlb_force;
 
 #ifdef CONFIG_SWIOTLB
+#define SWIOTLB_ARCH_NEED_ALLOC
 extern int swiotlb;
 #else
 #define swiotlb 0