xen: update xen headers

[cascardo/linux.git] / include / xen / interface / vcpu.h

diff --git a/include/xen/interface/vcpu.h b/include/xen/interface/vcpu.h
index b05288c..98188c8 100644 (file)
--- a/include/xen/interface/vcpu.h
+++ b/include/xen/interface/vcpu.h
@@ -75,15 +75,21 @@
  */
 #define VCPUOP_get_runstate_info        4
 struct vcpu_runstate_info {
-               /* VCPU's current state (RUNSTATE_*). */
-               int              state;
-               /* When was current state entered (system time, ns)? */
-               uint64_t state_entry_time;
-               /*
-                * Time spent in each RUNSTATE_* (ns). The sum of these times is
-                * guaranteed not to drift from system time.
-                */
-               uint64_t time[4];
+       /* VCPU's current state (RUNSTATE_*). */
+       int              state;
+       /* When was current state entered (system time, ns)? */
+       uint64_t state_entry_time;
+       /*
+        * Update indicator set in state_entry_time:
+        * When activated via VMASST_TYPE_runstate_update_flag, set during
+        * updates in guest memory mapped copy of vcpu_runstate_info.
+        */
+#define XEN_RUNSTATE_UPDATE    (1ULL << 63)
+       /*
+        * Time spent in each RUNSTATE_* (ns). The sum of these times is
+        * guaranteed not to drift from system time.
+        */
+       uint64_t time[4];
 };
 DEFINE_GUEST_HANDLE_STRUCT(vcpu_runstate_info);