1 files changed, 12 insertions, 0 deletions

diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 466ac8d09b1..d3a98ea1062 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -17,6 +17,7 @@
 #include <linux/timer.h>
 #include <asm/types.h>
 #include <asm/percpu.h>
+#include <asm/uv/uv_mmrs.h>
 
 
 /*
@@ -398,6 +399,7 @@ static inline void uv_set_scir_bits(unsigned char value)
                 uv_write_local_mmr8(uv_hub_info->scir.offset, value);
         }
 }
+
 static inline void uv_set_cpu_scir_bits(int cpu, unsigned char value)
 {
         if (uv_cpu_hub_info(cpu)->scir.state != value) {
@@ -406,5 +408,15 @@ static inline void uv_set_cpu_scir_bits(int cpu, unsigned char value)
         }
 }
 
+static inline void uv_hub_send_ipi(int pnode, int apicid, int vector)
+{
+        unsigned long val;
+
+        val = (1UL << UVH_IPI_INT_SEND_SHFT) |
+                        ((apicid & 0x3f) << UVH_IPI_INT_APIC_ID_SHFT) |
+                        (vector << UVH_IPI_INT_VECTOR_SHFT);
+        uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
+}
+
 #endif /* CONFIG_X86_64 */
 #endif /* _ASM_X86_UV_UV_HUB_H */