1 files changed, 11 insertions, 0 deletions

diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index 81a1cf1e4f5a..410d356b40da 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -74,6 +74,7 @@
 #define  SN_SAL_IOIF_GET_PCIBUS_INFO               0x02000056
 #define  SN_SAL_IOIF_GET_PCIDEV_INFO               0x02000057
 #define  SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST      0x02000058
+#define  SN_SAL_IOIF_GET_PCI_TOPOLOGY              0x02000059
 
 #define SN_SAL_HUB_ERROR_INTERRUPT                 0x02000060
 
@@ -1012,4 +1013,14 @@ ia64_sn_hwperf_op(nasid_t nasid, u64 opcode, u64 a0, u64 a1, u64 a2,
         return (int) rv.status;
 }
 
+static inline int
+ia64_sn_ioif_get_pci_topology(u64 rack, u64 bay, u64 slot, u64 slab,
+                              char *buf, u64 len)
+{
+        struct ia64_sal_retval rv;
+        SAL_CALL_NOLOCK(rv, SN_SAL_IOIF_GET_PCI_TOPOLOGY,
+                rack, bay, slot, slab, buf, len, 0);
+        return (int) rv.status;
+}
+
 #endif /* _ASM_IA64_SN_SN_SAL_H */