xen: Add Xen hypercall for sleep state in the cmos_s3 callback.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Alexander Graf <agraf@suse.de>

1 files changed, 9 insertions, 0 deletions

diff --git a/xen-all.c b/xen-all.c
index 19c2fe1e0f..0eac202d4e 100644
--- a/xen-all.c
+++ b/xen-all.c
@@ -9,6 +9,7 @@
 #include <sys/mman.h>
 
 #include "hw/pci.h"
+#include "hw/pc.h"
 #include "hw/xen_common.h"
 #include "hw/xen_backend.h"
 
@@ -99,6 +100,14 @@ void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len)
     }
 }
 
+void xen_cmos_set_s3_resume(void *opaque, int irq, int level)
+{
+    pc_cmos_set_s3_resume(opaque, irq, level);
+    if (level) {
+        xc_set_hvm_param(xen_xc, xen_domid, HVM_PARAM_ACPI_S_STATE, 3);
+    }
+}
+
 /* Xen Interrupt Controller */
 
 static void xen_set_irq(void *opaque, int irq, int level)