1*4882a593Smuzhiyun #ifndef meminit_h
2*4882a593Smuzhiyun #define meminit_h
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun /*
5*4882a593Smuzhiyun * This file is subject to the terms and conditions of the GNU General Public
6*4882a593Smuzhiyun * License. See the file "COPYING" in the main directory of this archive
7*4882a593Smuzhiyun * for more details.
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun /*
12*4882a593Smuzhiyun * Entries defined so far:
13*4882a593Smuzhiyun * - boot param structure itself
14*4882a593Smuzhiyun * - memory map
15*4882a593Smuzhiyun * - initrd (optional)
16*4882a593Smuzhiyun * - command line string
17*4882a593Smuzhiyun * - kernel code & data
18*4882a593Smuzhiyun * - crash dumping code reserved region
19*4882a593Smuzhiyun * - Kernel memory map built from EFI memory map
20*4882a593Smuzhiyun * - ELF core header
21*4882a593Smuzhiyun *
22*4882a593Smuzhiyun * More could be added if necessary
23*4882a593Smuzhiyun */
24*4882a593Smuzhiyun #define IA64_MAX_RSVD_REGIONS 9
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun struct rsvd_region {
27*4882a593Smuzhiyun u64 start; /* virtual address of beginning of element */
28*4882a593Smuzhiyun u64 end; /* virtual address of end of element + 1 */
29*4882a593Smuzhiyun };
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
32*4882a593Smuzhiyun extern int num_rsvd_regions;
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun extern void find_memory (void);
35*4882a593Smuzhiyun extern void reserve_memory (void);
36*4882a593Smuzhiyun extern void find_initrd (void);
37*4882a593Smuzhiyun extern int filter_rsvd_memory (u64 start, u64 end, void *arg);
38*4882a593Smuzhiyun extern int filter_memory (u64 start, u64 end, void *arg);
39*4882a593Smuzhiyun extern unsigned long efi_memmap_init(u64 *s, u64 *e);
40*4882a593Smuzhiyun extern int find_max_min_low_pfn (u64, u64, void *);
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun extern unsigned long vmcore_find_descriptor_size(unsigned long address);
43*4882a593Smuzhiyun extern int reserve_elfcorehdr(u64 *start, u64 *end);
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun /*
46*4882a593Smuzhiyun * For rounding an address to the next IA64_GRANULE_SIZE or order
47*4882a593Smuzhiyun */
48*4882a593Smuzhiyun #define GRANULEROUNDDOWN(n) ((n) & ~(IA64_GRANULE_SIZE-1))
49*4882a593Smuzhiyun #define GRANULEROUNDUP(n) (((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1))
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun #ifdef CONFIG_NUMA
52*4882a593Smuzhiyun extern void call_pernode_memory (unsigned long start, unsigned long len, void *func);
53*4882a593Smuzhiyun #else
54*4882a593Smuzhiyun # define call_pernode_memory(start, len, func) (*func)(start, len, 0)
55*4882a593Smuzhiyun #endif
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun #define IGNORE_PFN0 1 /* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun extern int register_active_ranges(u64 start, u64 len, int nid);
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun #ifdef CONFIG_VIRTUAL_MEM_MAP
62*4882a593Smuzhiyun # define LARGE_GAP 0x40000000 /* Use virtual mem map if hole is > than this */
63*4882a593Smuzhiyun extern unsigned long VMALLOC_END;
64*4882a593Smuzhiyun extern struct page *vmem_map;
65*4882a593Smuzhiyun extern int find_largest_hole(u64 start, u64 end, void *arg);
66*4882a593Smuzhiyun extern int create_mem_map_page_table(u64 start, u64 end, void *arg);
67*4882a593Smuzhiyun extern int vmemmap_find_next_valid_pfn(int, int);
68*4882a593Smuzhiyun #else
vmemmap_find_next_valid_pfn(int node,int i)69*4882a593Smuzhiyun static inline int vmemmap_find_next_valid_pfn(int node, int i)
70*4882a593Smuzhiyun {
71*4882a593Smuzhiyun return i + 1;
72*4882a593Smuzhiyun }
73*4882a593Smuzhiyun #endif
74*4882a593Smuzhiyun #endif /* meminit_h */
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