Patchwork [14/15] xen: destroy the VM when shutdown is requested

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Submitter Stefano Stabellini
Date Aug. 23, 2010, 9:50 a.m.
Message ID <1282557052-14285-14-git-send-email-stefano.stabellini@eu.citrix.com>
Download mbox | patch
Permalink /patch/62473/
State New
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Comments

Stefano Stabellini - Aug. 23, 2010, 9:50 a.m.
From: Anthony PERARD <anthony.perard@citrix.com>

Handle shutdown and reset requests in helper.c.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
---
 target-xen/helper.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

Patch

diff --git a/target-xen/helper.c b/target-xen/helper.c
index c4339ce..d77d63e 100644
--- a/target-xen/helper.c
+++ b/target-xen/helper.c
@@ -368,6 +368,21 @@  static void cpu_handle_ioreq(void *opaque)
 
         xen_wmb(); /* Update ioreq contents /then/ update state. */
 
+        /*
+         * We do this before we send the response so that the tools
+         * have the opportunity to pick up on the reset before the
+         * guest resumes and does a hlt with interrupts disabled which
+         * causes Xen to powerdown the domain.
+         */
+        if (vm_running) {
+            if (qemu_shutdown_requested_get()) {
+                destroy_hvm_domain();
+            }
+            if (qemu_reset_requested_get()) {
+                qemu_system_reset();
+            }
+        }
+
         req->state = STATE_IORESP_READY;
         xc_evtchn_notify(xce_handle, ioreq_local_port[send_vcpu]);
     }