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-rw-r--r--include/system/xen-mapcache.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/system/xen-mapcache.h b/include/system/xen-mapcache.h
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--- /dev/null
+++ b/include/system/xen-mapcache.h
@@ -0,0 +1,30 @@
+/*
+ * 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 "exec/cpu-common.h"
+#include "system/xen.h"
+
+typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr phys_offset,
+ ram_addr_t size);
+void xen_map_cache_init(phys_offset_to_gaddr_t f,
+ void *opaque);
+uint8_t *xen_map_cache(MemoryRegion *mr, hwaddr phys_addr, hwaddr size,
+ ram_addr_t ram_addr_offset,
+ uint8_t lock, bool dma,
+ bool is_write);
+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);
+uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr,
+ hwaddr new_phys_addr,
+ hwaddr size);
+
+#endif /* XEN_MAPCACHE_H */