[Xen-changelog] Extend VCPUINFO dom0_op to return status information about

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 27d7c7f226f489ea6dd9e4952ab6044e477653a3
# Parent  26862e5458ebd047005a5e1897299d5d3defc568
Extend VCPUINFO dom0_op to return status information about
run state of the VCPU. VCPUCONTEXT returns info about
hotplugged VCPUs.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

diff -r 26862e5458eb -r 27d7c7f226f4 xen/common/dom0_ops.c
--- a/xen/common/dom0_ops.c     Sat Oct 15 07:33:19 2005
+++ b/xen/common/dom0_ops.c     Sat Oct 15 07:52:22 2005
@@ -447,7 +447,7 @@
 
         ret = -ESRCH;
         v = d->vcpu[op->u.getvcpucontext.vcpu];
-        if ( (v == NULL) || test_bit(_VCPUF_down, &v->vcpu_flags) )
+        if ( (v == NULL) || !test_bit(_VCPUF_initialised, &v->vcpu_flags) )
             goto getvcpucontext_out;
 
         ret = -ENOMEM;
@@ -490,10 +490,12 @@
             goto getvcpuinfo_out;
 
         ret = -ESRCH;
-        v = d->vcpu[op->u.getvcpuinfo.vcpu];
-        if ( (v == NULL) || test_bit(_VCPUF_down, &v->vcpu_flags) )
+        if ( (v = d->vcpu[op->u.getvcpuinfo.vcpu]) == NULL )
             goto getvcpuinfo_out;
 
+        op->u.getvcpuinfo.online   = !test_bit(_VCPUF_down, &v->vcpu_flags);
+        op->u.getvcpuinfo.blocked  = test_bit(_VCPUF_blocked, &v->vcpu_flags);
+        op->u.getvcpuinfo.running  = test_bit(_VCPUF_running, &v->vcpu_flags);
         op->u.getvcpuinfo.cpu_time = v->cpu_time;
         op->u.getvcpuinfo.cpu      = v->processor;
         op->u.getvcpuinfo.cpumap   = v->cpumap;
diff -r 26862e5458eb -r 27d7c7f226f4 xen/include/public/dom0_ops.h
--- a/xen/include/public/dom0_ops.h     Sat Oct 15 07:33:19 2005
+++ b/xen/include/public/dom0_ops.h     Sat Oct 15 07:52:22 2005
@@ -365,7 +365,10 @@
     domid_t  domain;                  /* domain to be affected */
     uint16_t vcpu;                    /* vcpu # */
     /* OUT variables. */
-    uint64_t cpu_time;                 
+    uint8_t  online;                  /* currently online (not hotplugged)? */
+    uint8_t  blocked;                 /* blocked waiting for an event? */
+    uint8_t  running;                 /* currently scheduled on its CPU? */
+    uint64_t cpu_time;                /* total cpu time consumed (ns) */
     uint32_t cpu;                     /* current mapping   */
     cpumap_t cpumap;                  /* allowable mapping */
 } dom0_getvcpuinfo_t;

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