Merge remote-tracking branch 'remotes/sstabellini/tags/xen-20160622-tag' into staging

xen-20160622

# gpg: Signature made Wed 22 Jun 2016 12:45:56 BST
# gpg:                using RSA key 0x894F8F4870E1AE90
# gpg: Good signature from "Stefano Stabellini <stefano.stabellini@eu.citrix.com>"
# Primary key fingerprint: D04E 33AB A51F 67BA 07D3  0AEA 894F 8F48 70E1 AE90

* remotes/sstabellini/tags/xen-20160622-tag:
  xen: move xen_sysdev to xen_backend.c
  xen: fix qdisk BLKIF_OP_DISCARD for 32/64 word size mix
  xen: fix style of hw/block/xen_blkif.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/hw/xen/xen_backend.c b/hw/xen/xen_backend.c
index e7ce724567..bab79b1912 100644
--- a/hw/xen/xen_backend.c
+++ b/hw/xen/xen_backend.c
@@ -26,12 +26,17 @@
 #include <sys/signal.h>
 
 #include "hw/hw.h"
+#include "hw/sysbus.h"
 #include "sysemu/char.h"
 #include "qemu/log.h"
 #include "hw/xen/xen_backend.h"
 
 #include <xen/grant_table.h>
 
+#define TYPE_XENSYSDEV "xensysdev"
+
+DeviceState *xen_sysdev;
+
 /* ------------------------------------------------------------- */
 
 /* public */
@@ -762,6 +767,10 @@ int xen_be_init(void)
         /* Check if xen_init() have been called */
         goto err;
     }
+
+    xen_sysdev = qdev_create(NULL, TYPE_XENSYSDEV);
+    qdev_init_nofail(xen_sysdev);
+
     return 0;
 
 err:
@@ -862,3 +871,35 @@ void xen_be_printf(struct XenDevice *xendev, int msg_level, const char *fmt, ...
     }
     qemu_log_flush();
 }
+
+static int xen_sysdev_init(SysBusDevice *dev)
+{
+    return 0;
+}
+
+static Property xen_sysdev_properties[] = {
+    {/* end of property list */},
+};
+
+static void xen_sysdev_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+    k->init = xen_sysdev_init;
+    dc->props = xen_sysdev_properties;
+}
+
+static const TypeInfo xensysdev_info = {
+    .name          = TYPE_XENSYSDEV,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(SysBusDevice),
+    .class_init    = xen_sysdev_class_init,
+};
+
+static void xenbe_register_types(void)
+{
+    type_register_static(&xensysdev_info);
+}
+
+type_init(xenbe_register_types);