Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef meminit_h |
| 2 | #define meminit_h |
| 3 | |
| 4 | /* |
| 5 | * This file is subject to the terms and conditions of the GNU General Public |
| 6 | * License. See the file "COPYING" in the main directory of this archive |
| 7 | * for more details. |
| 8 | */ |
| 9 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | |
| 11 | /* |
| 12 | * Entries defined so far: |
| 13 | * - boot param structure itself |
| 14 | * - memory map |
| 15 | * - initrd (optional) |
| 16 | * - command line string |
| 17 | * - kernel code & data |
Zou Nan hai | a7956113 | 2006-12-07 09:51:35 -0800 | [diff] [blame] | 18 | * - crash dumping code reserved region |
Tony Luck | d8c97d5 | 2005-09-08 12:39:59 -0700 | [diff] [blame] | 19 | * - Kernel memory map built from EFI memory map |
Magnus Damm | cee87af | 2007-03-06 02:34:26 -0800 | [diff] [blame] | 20 | * - ELF core header |
Isaku Yamahata | 627308c | 2008-10-17 11:17:47 +0900 | [diff] [blame] | 21 | * - xen start info if CONFIG_XEN |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | * |
| 23 | * More could be added if necessary |
| 24 | */ |
Isaku Yamahata | 627308c | 2008-10-17 11:17:47 +0900 | [diff] [blame] | 25 | #define IA64_MAX_RSVD_REGIONS 9 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | |
| 27 | struct rsvd_region { |
Matthew Wilcox | e088a4a | 2009-05-22 13:49:49 -0700 | [diff] [blame] | 28 | u64 start; /* virtual address of beginning of element */ |
| 29 | u64 end; /* virtual address of end of element + 1 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | }; |
| 31 | |
| 32 | extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1]; |
| 33 | extern int num_rsvd_regions; |
| 34 | |
| 35 | extern void find_memory (void); |
| 36 | extern void reserve_memory (void); |
| 37 | extern void find_initrd (void); |
Matthew Wilcox | e088a4a | 2009-05-22 13:49:49 -0700 | [diff] [blame] | 38 | extern int filter_rsvd_memory (u64 start, u64 end, void *arg); |
| 39 | extern int filter_memory (u64 start, u64 end, void *arg); |
| 40 | extern unsigned long efi_memmap_init(u64 *s, u64 *e); |
| 41 | extern int find_max_min_low_pfn (u64, u64, void *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
Magnus Damm | cee87af | 2007-03-06 02:34:26 -0800 | [diff] [blame] | 43 | extern unsigned long vmcore_find_descriptor_size(unsigned long address); |
Matthew Wilcox | e088a4a | 2009-05-22 13:49:49 -0700 | [diff] [blame] | 44 | extern int reserve_elfcorehdr(u64 *start, u64 *end); |
Magnus Damm | cee87af | 2007-03-06 02:34:26 -0800 | [diff] [blame] | 45 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | /* |
| 47 | * For rounding an address to the next IA64_GRANULE_SIZE or order |
| 48 | */ |
| 49 | #define GRANULEROUNDDOWN(n) ((n) & ~(IA64_GRANULE_SIZE-1)) |
| 50 | #define GRANULEROUNDUP(n) (((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | |
Bob Picco | 1be7d99 | 2005-10-04 15:13:50 -0400 | [diff] [blame] | 52 | #ifdef CONFIG_NUMA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | extern void call_pernode_memory (unsigned long start, unsigned long len, void *func); |
| 54 | #else |
| 55 | # define call_pernode_memory(start, len, func) (*func)(start, len, 0) |
| 56 | #endif |
| 57 | |
| 58 | #define IGNORE_PFN0 1 /* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */ |
| 59 | |
Zoltan Menyhart | 98075d2 | 2008-04-11 15:21:35 -0700 | [diff] [blame] | 60 | extern int register_active_ranges(u64 start, u64 len, int nid); |
Bob Picco | 139b830 | 2007-01-30 02:11:09 -0800 | [diff] [blame] | 61 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | #ifdef CONFIG_VIRTUAL_MEM_MAP |
| 63 | # define LARGE_GAP 0x40000000 /* Use virtual mem map if hole is > than this */ |
Tejun Heo | 126b3fc | 2009-10-02 13:28:55 +0900 | [diff] [blame^] | 64 | extern unsigned long VMALLOC_END; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | extern struct page *vmem_map; |
Matthew Wilcox | e088a4a | 2009-05-22 13:49:49 -0700 | [diff] [blame] | 66 | extern int find_largest_hole(u64 start, u64 end, void *arg); |
| 67 | extern int create_mem_map_page_table(u64 start, u64 end, void *arg); |
Bob Picco | e44e41d | 2006-06-28 12:55:43 -0400 | [diff] [blame] | 68 | extern int vmemmap_find_next_valid_pfn(int, int); |
| 69 | #else |
| 70 | static inline int vmemmap_find_next_valid_pfn(int node, int i) |
| 71 | { |
| 72 | return i + 1; |
| 73 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | #endif /* meminit_h */ |