[IA64] add sn_register_pmi_handler oemcall

Add wrapper function to make SN_SAL_REGISTER_PMI_HANDLER ia64_sal_oemcall.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index d3566a298fa4..676b31a08c61 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -32,6 +32,7 @@
 #define  SN_SAL_NO_FAULT_ZONE_VIRTUAL              0x02000010
 #define  SN_SAL_NO_FAULT_ZONE_PHYSICAL             0x02000011
 #define  SN_SAL_PRINT_ERROR                        0x02000012
+#define  SN_SAL_REGISTER_PMI_HANDLER               0x02000014
 #define  SN_SAL_SET_ERROR_HANDLING_FEATURES        0x0200001a   // reentrant
 #define  SN_SAL_GET_FIT_COMPT                      0x0200001b   // reentrant
 #define  SN_SAL_GET_SAPIC_INFO                     0x0200001d
@@ -680,6 +681,25 @@ sn_register_nofault_code(u64 start_addr, u64 end_addr, u64 return_addr,
 }
 
 /*
+ * Register or unregister a function to handle a PMI received by a CPU.
+ * Before calling the registered handler, SAL sets r1 to the value that
+ * was passed in as the global_pointer.
+ *
+ * If the handler pointer is NULL, then the currently registered handler
+ * will be unregistered.
+ *
+ * Returns 0 on success, or a negative value if an error occurred.
+ */
+static inline int
+sn_register_pmi_handler(u64 handler, u64 global_pointer)
+{
+        struct ia64_sal_retval ret_stuff;
+        ia64_sal_oemcall(&ret_stuff, SN_SAL_REGISTER_PMI_HANDLER, handler,
+                         global_pointer, 0, 0, 0, 0, 0);
+        return ret_stuff.status;
+}
+
+/*
  * Change or query the coherence domain for this partition. Each cpu-based
  * nasid is represented by a bit in an array of 64-bit words:
  *      0 = not in this partition's coherency domain