[Xen-devel] [PATCH 01 of 10] Add resumedomain domctl to resume a domain after checkpoint

[Brendan Cully <brendan@xxxxxxxxx>]

# HG changeset patch
# User Brendan Cully <brendan@xxxxxxxxx>
# Date 1166166342 28800
# Node ID df9ac19cdb9a6b3021010c8873911bb17f7bdc7a
# Parent  4d2ae322ef0294df2e3361179b48cb4c339a555f
Add resumedomain domctl to resume a domain after checkpoint.

Signed-off-by: Brendan Cully <brendan@xxxxxxxxx>

diff -r 4d2ae322ef02 -r df9ac19cdb9a xen/common/domctl.c
--- a/xen/common/domctl.c       Thu Dec 14 17:25:38 2006 +0000
+++ b/xen/common/domctl.c       Thu Dec 14 23:05:42 2006 -0800
@@ -240,6 +240,31 @@ long do_domctl(XEN_GUEST_HANDLE(xen_domc
     }
     break;
 
+    case XEN_DOMCTL_resumedomain:
+    {
+        struct domain *d = find_domain_by_id(op->domain);
+        struct vcpu *v;
+
+        ret = -ESRCH;
+        if ( d != NULL )
+        {
+            ret = -EINVAL;
+            printk("Resuming domain %d\n", op->domain);
+            if ( (d != current->domain) && (d->vcpu[0] != NULL) &&
+                 test_bit(_DOMF_shutdown, &d->domain_flags) )
+            {
+                clear_bit(_DOMF_shutdown, &d->domain_flags);
+
+                for_each_vcpu (d, v)
+                    vcpu_wake (v);
+
+                ret = 0;
+            }
+            put_domain(d);
+        }
+    }
+    break;
+
     case XEN_DOMCTL_createdomain:
     {
         struct domain *d;
diff -r 4d2ae322ef02 -r df9ac19cdb9a xen/include/public/domctl.h
--- a/xen/include/public/domctl.h       Thu Dec 14 17:25:38 2006 +0000
+++ b/xen/include/public/domctl.h       Thu Dec 14 23:05:42 2006 -0800
@@ -61,6 +61,7 @@ DEFINE_XEN_GUEST_HANDLE(xen_domctl_creat
 #define XEN_DOMCTL_destroydomain      2
 #define XEN_DOMCTL_pausedomain        3
 #define XEN_DOMCTL_unpausedomain      4
+#define XEN_DOMCTL_resumedomain      26
 
 #define XEN_DOMCTL_getdomaininfo      5
 struct xen_domctl_getdomaininfo {

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