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-rw-r--r--include/xen/interface/memory.h13
-rw-r--r--include/xen/page.h7
2 files changed, 20 insertions, 0 deletions
diff --git a/include/xen/interface/memory.h b/include/xen/interface/memory.h
index d7a6c13bde6..eac3ce15371 100644
--- a/include/xen/interface/memory.h
+++ b/include/xen/interface/memory.h
@@ -141,6 +141,19 @@ struct xen_machphys_mfn_list {
DEFINE_GUEST_HANDLE_STRUCT(xen_machphys_mfn_list);
/*
+ * Returns the location in virtual address space of the machine_to_phys
+ * mapping table. Architectures which do not have a m2p table, or which do not
+ * map it by default into guest address space, do not implement this command.
+ * arg == addr of xen_machphys_mapping_t.
+ */
+#define XENMEM_machphys_mapping 12
+struct xen_machphys_mapping {
+ unsigned long v_start, v_end; /* Start and end virtual addresses. */
+ unsigned long max_mfn; /* Maximum MFN that can be looked up. */
+};
+DEFINE_GUEST_HANDLE_STRUCT(xen_machphys_mapping_t);
+
+/*
* Sets the GPFN at which a particular page appears in the specified guest's
* pseudophysical address space.
* arg == addr of xen_add_to_physmap_t.
diff --git a/include/xen/page.h b/include/xen/page.h
index eaf85fab126..0be36b976f4 100644
--- a/include/xen/page.h
+++ b/include/xen/page.h
@@ -1 +1,8 @@
+#ifndef _XEN_PAGE_H
+#define _XEN_PAGE_H
+
#include <asm/xen/page.h>
+
+extern phys_addr_t xen_extra_mem_start, xen_extra_mem_size;
+
+#endif /* _XEN_PAGE_H */