Commit | Line | Data |
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be5a0c12 | 1 | #ifndef __PAT_INTERNAL_H_ |
2 | #define __PAT_INTERNAL_H_ | |
3 | ||
4 | extern int pat_debug_enable; | |
5 | ||
6 | #define dprintk(fmt, arg...) \ | |
7 | do { if (pat_debug_enable) printk(KERN_INFO fmt, ##arg); } while (0) | |
8 | ||
9 | struct memtype { | |
10 | u64 start; | |
11 | u64 end; | |
9e41a49a | 12 | u64 subtree_max_end; |
be5a0c12 | 13 | unsigned long type; |
be5a0c12 | 14 | struct rb_node rb; |
15 | }; | |
16 | ||
17 | static inline char *cattr_name(unsigned long flags) | |
18 | { | |
19 | switch (flags & _PAGE_CACHE_MASK) { | |
20 | case _PAGE_CACHE_UC: return "uncached"; | |
21 | case _PAGE_CACHE_UC_MINUS: return "uncached-minus"; | |
22 | case _PAGE_CACHE_WB: return "write-back"; | |
23 | case _PAGE_CACHE_WC: return "write-combining"; | |
24 | default: return "broken"; | |
25 | } | |
26 | } | |
27 | ||
9e41a49a PV |
28 | #ifdef CONFIG_X86_PAT |
29 | extern int rbt_memtype_check_insert(struct memtype *new, | |
30 | unsigned long *new_type); | |
20413f27 | 31 | extern struct memtype *rbt_memtype_erase(u64 start, u64 end); |
9e41a49a PV |
32 | extern struct memtype *rbt_memtype_lookup(u64 addr); |
33 | extern int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos); | |
34 | #else | |
35 | static inline int rbt_memtype_check_insert(struct memtype *new, | |
36 | unsigned long *new_type) | |
37 | { return 0; } | |
20413f27 XF |
38 | static inline struct memtype *rbt_memtype_erase(u64 start, u64 end) |
39 | { return NULL; } | |
9e41a49a PV |
40 | static inline struct memtype *rbt_memtype_lookup(u64 addr) |
41 | { return NULL; } | |
42 | static inline int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos) | |
43 | { return 0; } | |
44 | #endif | |
45 | ||
be5a0c12 | 46 | #endif /* __PAT_INTERNAL_H_ */ |