1 files changed, 10 insertions, 1 deletions

diff --git a/include/asm-ia64/sn/io.h b/include/asm-ia64/sn/io.h
index 42209733f6b1..41c73a735628 100644
--- a/include/asm-ia64/sn/io.h
+++ b/include/asm-ia64/sn/io.h
@@ -14,7 +14,7 @@
 extern void * sn_io_addr(unsigned long port) __attribute_const__; /* Forward definition */
 extern void __sn_mmiowb(void); /* Forward definition */
 
-extern int numionodes;
+extern int num_cnodes;
 
 #define __sn_mf_a()   ia64_mfa()
 
@@ -36,6 +36,15 @@ extern void sn_dma_flush(unsigned long);
 #define __sn_readq_relaxed ___sn_readq_relaxed
 
 /*
+ * Convenience macros for setting/clearing bits using the above accessors
+ */
+
+#define __sn_setq_relaxed(addr, val) \
+        writeq((__sn_readq_relaxed(addr) | (val)), (addr))
+#define __sn_clrq_relaxed(addr, val) \
+        writeq((__sn_readq_relaxed(addr) & ~(val)), (addr))
+
+/*
  * The following routines are SN Platform specific, called when
  * a reference is made to inX/outX set macros.  SN Platform
  * inX set of macros ensures that Posted DMA writes on the