x86: fix asm/e820.h for userspace inclusion

[linux-2.6-omap-h63xx.git] / include / asm-x86 / e820.h

diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h
index ab18457a95c0911edf1824404c4c5bb3a571f876..06633b01dd5b73685d3bcb0698ffe8442fc5f88b 100644 (file)
--- a/include/asm-x86/e820.h
+++ b/include/asm-x86/e820.h
@@ -44,6 +44,9 @@
 #define E820_ACPI      3
 #define E820_NVS       4
 
+/* reserved RAM used by kernel itself */
+#define E820_RESERVED_KERN        128
+
 #ifndef __ASSEMBLY__
 struct e820entry {
        __u64 addr;     /* start of memory segment */
@@ -56,34 +59,77 @@ struct e820map {
        struct e820entry map[E820_X_MAX];
 };
 
+#ifdef __KERNEL__
+/* see comment in arch/x86/kernel/e820.c */
 extern struct e820map e820;
+extern struct e820map e820_saved;
 
 extern int e820_any_mapped(u64 start, u64 end, unsigned type);
 extern int e820_all_mapped(u64 start, u64 end, unsigned type);
-extern void add_memory_region(u64 start, u64 size, int 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, char *pnr_map);
-extern int copy_e820_map(struct e820entry *biosmap, int nr_map);
-extern u64 update_memory_range(u64 start, u64 size, unsigned old_type,
+sanitize_e820_map(struct e820entry *biosmap, int max_nr_map, int *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);
+extern int e820_search_gap(unsigned long *gapstart, unsigned long *gapsize,
+                       unsigned long start_addr, unsigned long long end_addr);
+struct setup_data;
+extern void parse_e820_ext(struct setup_data *data, unsigned long pa_data);
+
+#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 end_user_pfn;
 
+extern u64 find_e820_area(u64 start, u64 end, u64 size, u64 align);
+extern u64 find_e820_area_size(u64 start, u64 *sizep, u64 align);
+extern void reserve_early(u64 start, u64 end, char *name);
+extern void reserve_early_overlap_ok(u64 start, u64 end, char *name);
+extern void free_early(u64 start, u64 end);
+extern void early_res_to_bootmem(u64 start, u64 end);
+extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align);
+
+extern unsigned long e820_end_of_ram_pfn(void);
+extern unsigned long e820_end_of_low_ram_pfn(void);
+extern int e820_find_active_region(const struct e820entry *ei,
+                                 unsigned long start_pfn,
+                                 unsigned long last_pfn,
+                                 unsigned long *ei_startpfn,
+                                 unsigned long *ei_endpfn);
+extern void e820_register_active_regions(int nid, unsigned long start_pfn,
+                                        unsigned long end_pfn);
+extern u64 e820_hole_size(u64 start, u64 end);
+extern void finish_e820_parsing(void);
+extern void e820_reserve_resources(void);
+extern void setup_memory_map(void);
+extern char *default_machine_specific_memory_setup(void);
+extern char *machine_specific_memory_setup(void);
+extern char *memory_setup(void);
+#endif /* __KERNEL__ */
 #endif /* __ASSEMBLY__ */
 
 #define ISA_START_ADDRESS      0xa0000
 #define ISA_END_ADDRESS                0x100000
+#define is_ISA_range(s, e) ((s) >= ISA_START_ADDRESS && (e) < ISA_END_ADDRESS)
 
 #define BIOS_BEGIN             0x000a0000
 #define BIOS_END               0x00100000
 
 #ifdef __KERNEL__
-#ifdef CONFIG_X86_32
-# include "e820_32.h"
-#else
-# include "e820_64.h"
-#endif
+#include <linux/ioport.h>
+
+#define HIGH_MEMORY    (1024*1024)
 #endif /* __KERNEL__ */
 
 #endif  /* __ASM_E820_H */