summaryrefslogtreecommitdiffstats
path: root/qemu/include/sysemu/xen-mapcache.h
diff options
context:
space:
mode:
authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/include/sysemu/xen-mapcache.h
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/include/sysemu/xen-mapcache.h')
-rw-r--r--qemu/include/sysemu/xen-mapcache.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/qemu/include/sysemu/xen-mapcache.h b/qemu/include/sysemu/xen-mapcache.h
new file mode 100644
index 000000000..c59804060
--- /dev/null
+++ b/qemu/include/sysemu/xen-mapcache.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2011 Citrix Ltd.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef XEN_MAPCACHE_H
+#define XEN_MAPCACHE_H
+
+#include <stdlib.h>
+
+typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr start_addr,
+ ram_addr_t size,
+ void *opaque);
+#ifdef CONFIG_XEN
+
+void xen_map_cache_init(phys_offset_to_gaddr_t f,
+ void *opaque);
+uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size,
+ uint8_t lock);
+ram_addr_t xen_ram_addr_from_mapcache(void *ptr);
+void xen_invalidate_map_cache_entry(uint8_t *buffer);
+void xen_invalidate_map_cache(void);
+
+#else
+
+static inline void xen_map_cache_init(phys_offset_to_gaddr_t f,
+ void *opaque)
+{
+}
+
+static inline uint8_t *xen_map_cache(hwaddr phys_addr,
+ hwaddr size,
+ uint8_t lock)
+{
+ abort();
+}
+
+static inline ram_addr_t xen_ram_addr_from_mapcache(void *ptr)
+{
+ abort();
+}
+
+static inline void xen_invalidate_map_cache_entry(uint8_t *buffer)
+{
+}
+
+static inline void xen_invalidate_map_cache(void)
+{
+}
+
+#endif
+
+#endif /* !XEN_MAPCACHE_H */