ia64/xen: preliminary support for save/restore.

preliminary support for save/restore.
Although Save/restore isn't fully working yet, this patch is necessary
to compile.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 64 insertions, 0 deletions

diff --git a/arch/ia64/xen/suspend.c b/arch/ia64/xen/suspend.c
new file mode 100644
index 000000000000..fd66b048c6fa
--- /dev/null
+++ b/arch/ia64/xen/suspend.c
@@ -0,0 +1,64 @@
+/******************************************************************************
+ * arch/ia64/xen/suspend.c
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * suspend/resume
+ */
+
+#include <xen/xen-ops.h>
+#include <asm/xen/hypervisor.h>
+#include "time.h"
+
+void
+xen_mm_pin_all(void)
+{
+	/* nothing */
+}
+
+void
+xen_mm_unpin_all(void)
+{
+	/* nothing */
+}
+
+void xen_pre_device_suspend(void)
+{
+	/* nothing */
+}
+
+void
+xen_pre_suspend()
+{
+	/* nothing */
+}
+
+void
+xen_post_suspend(int suspend_cancelled)
+{
+	if (suspend_cancelled)
+		return;
+
+	xen_ia64_enable_opt_feature();
+	/* add more if necessary */
+}
+
+void xen_arch_resume(void)
+{
+	xen_timer_resume_on_aps();
+}