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Diffstat (limited to 'arch/x86/include/asm/e820/api.h')
-rw-r--r--arch/x86/include/asm/e820/api.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/x86/include/asm/e820/api.h b/arch/x86/include/asm/e820/api.h
new file mode 100644
index 000000000000..010efbceb40c
--- /dev/null
+++ b/arch/x86/include/asm/e820/api.h
@@ -0,0 +1,73 @@
+#ifndef _ASM_E820_API_H
+#define _ASM_E820_API_H
+
+/*
+ * E820_X_MAX is the maximum size of the extended E820 table. The extended
+ * table may contain up to 3 extra E820 entries per possible NUMA node, so we
+ * make room for 3 * MAX_NUMNODES possible entries, beyond the standard 128.
+ * Also note that E820_X_MAX *must* be defined before we include asm/e820/types.h.
+ */
+#include <linux/numa.h>
+#define E820_X_MAX (E820MAX + 3 * MAX_NUMNODES)
+
+#include <asm/e820/types.h>
+
+#ifndef __ASSEMBLY__
+/* see comment in arch/x86/kernel/e820.c */
+extern struct e820map *e820;
+extern struct e820map *e820_saved;
+
+extern unsigned long pci_mem_start;
+extern int e820_any_mapped(u64 start, u64 end, unsigned type);
+extern int e820_all_mapped(u64 start, u64 end, unsigned type);
+extern void e820_add_region(u64 start, u64 size, int type);
+extern void e820_print_map(char *who);
+extern int
+sanitize_e820_map(struct e820entry *biosmap, int max_nr_map, u32 *pnr_map);
+extern u64 e820_update_range(u64 start, u64 size, unsigned old_type,
+ unsigned new_type);
+extern u64 e820_remove_range(u64 start, u64 size, unsigned old_type,
+ int checktype);
+extern void update_e820(void);
+extern void e820_setup_gap(void);
+struct setup_data;
+extern void parse_e820_ext(u64 phys_addr, u32 data_len);
+
+#if defined(CONFIG_X86_64) || \
+ (defined(CONFIG_X86_32) && defined(CONFIG_HIBERNATION))
+extern void e820_mark_nosave_regions(unsigned long limit_pfn);
+#else
+static inline void e820_mark_nosave_regions(unsigned long limit_pfn)
+{
+}
+#endif
+
+extern unsigned long e820_end_of_ram_pfn(void);
+extern unsigned long e820_end_of_low_ram_pfn(void);
+extern u64 early_reserve_e820(u64 sizet, u64 align);
+
+void memblock_x86_fill(void);
+void memblock_find_dma_reserve(void);
+
+extern void finish_e820_parsing(void);
+extern void e820_reserve_resources(void);
+extern void e820_reserve_resources_late(void);
+extern void setup_memory_map(void);
+extern char *default_machine_specific_memory_setup(void);
+
+extern void e820_reallocate_tables(void);
+
+/*
+ * Returns true iff the specified range [s,e) is completely contained inside
+ * the ISA region.
+ */
+static inline bool is_ISA_range(u64 s, u64 e)
+{
+ return s >= ISA_START_ADDRESS && e <= ISA_END_ADDRESS;
+}
+
+#endif /* __ASSEMBLY__ */
+#include <linux/ioport.h>
+
+#define HIGH_MEMORY (1024*1024)
+#endif /* _ASM_E820_API_H */