1 files changed, 6 insertions, 0 deletions

diff --git a/include/asm-sparc64/hypervisor.h b/include/asm-sparc64/hypervisor.h
index b4e0d52acd5c..5d795ee5192d 100644
--- a/include/asm-sparc64/hypervisor.h
+++ b/include/asm-sparc64/hypervisor.h
@@ -1300,6 +1300,9 @@ struct hv_trap_trace_entry {
  *                      a tsbnum and a tsbindex.  Bits 63:32 contain the
  *                      tsbnum and bits 31:00 contain the tsbindex.
  *
+ *                      Use the HV_PCI_TSBID() macro to construct such
+ *                      values.
+ *
  *      io_attributes   IO attributes for IOMMU mappings.  One of more
  *                      of the attritbute bits are stores in a 64-bit
  *                      value.  The values are defined below.
@@ -1354,6 +1357,9 @@ struct hv_trap_trace_entry {
          (((d) & 0x1f) << 11) | \
          (((f) & 0x07) <<  8))
 
+#define HV_PCI_TSBID(__tsb_num, __tsb_index) \
+        ((((u64)(__tsb_num)) << 32UL) | ((u64)(__tsb_index)))
+
 #define HV_PCI_SYNC_FOR_DEVICE          0x01
 #define HV_PCI_SYNC_FOR_CPU             0x02