Watchdog timers for domains

Each domain is allowed to set, reset and disable its timers; when any
timer runs out the domain is killed.

Patch from Christian Limpach <Christian.Limpach@citrix.com>
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/xen/common/shutdown.c b/xen/common/shutdown.c
index a8af94b130..65d59b5ca0 100644
--- a/xen/common/shutdown.c
+++ b/xen/common/shutdown.c
@@ -5,6 +5,7 @@
 #include <xen/domain.h>
 #include <xen/delay.h>
 #include <xen/shutdown.h>
+#include <xen/console.h>
 #include <asm/debugger.h>
 #include <public/sched.h>
 
@@ -53,6 +54,14 @@ void dom0_shutdown(u8 reason)
         break; /* not reached */
     }
 
+    case SHUTDOWN_watchdog:
+    {
+        printk("Domain 0 shutdown: watchdog rebooting machine.\n");
+        kexec_crash();
+        machine_restart(0);
+        break; /* not reached */
+    }
+
     default:
     {
         printk("Domain 0 shutdown (unknown reason %u): ", reason);