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-rw-r--r--include/lmb.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/include/lmb.h b/include/lmb.h
new file mode 100644
index 0000000..cc64cbb
--- /dev/null
+++ b/include/lmb.h
@@ -0,0 +1,54 @@
+#ifndef _LINUX_LMB_H
+#define _LINUX_LMB_H
+#ifdef __KERNEL__
+
+#include <asm/types.h>
+/*
+ * Logical memory blocks.
+ *
+ * Copyright (C) 2001 Peter Bergner, IBM Corp.
+ *
+ * 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.
+ */
+
+#define MAX_LMB_REGIONS 8
+
+struct lmb_property {
+ ulong base;
+ ulong size;
+};
+
+struct lmb_region {
+ unsigned long cnt;
+ ulong size;
+ struct lmb_property region[MAX_LMB_REGIONS+1];
+};
+
+struct lmb {
+ struct lmb_region memory;
+ struct lmb_region reserved;
+};
+
+extern struct lmb lmb;
+
+extern void lmb_init(struct lmb *lmb);
+extern long lmb_add(struct lmb *lmb, ulong base, ulong size);
+extern long lmb_reserve(struct lmb *lmb, ulong base, ulong size);
+extern ulong lmb_alloc(struct lmb *lmb, ulong size, ulong align);
+extern ulong lmb_alloc_base(struct lmb *lmb, ulong size, ulong align, ulong max_addr);
+extern ulong __lmb_alloc_base(struct lmb *lmb, ulong size, ulong align, ulong max_addr);
+extern int lmb_is_reserved(struct lmb *lmb, ulong addr);
+
+extern void lmb_dump_all(struct lmb *lmb);
+
+static inline ulong
+lmb_size_bytes(struct lmb_region *type, unsigned long region_nr)
+{
+ return type->region[region_nr].size;
+}
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_LMB_H */