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1 | #ifndef _ASM_X86_MICROCODE_INTEL_H |
2 | #define _ASM_X86_MICROCODE_INTEL_H | |
3 | ||
4 | #include <asm/microcode.h> | |
5 | ||
6 | struct microcode_header_intel { | |
7 | unsigned int hdrver; | |
8 | unsigned int rev; | |
9 | unsigned int date; | |
10 | unsigned int sig; | |
11 | unsigned int cksum; | |
12 | unsigned int ldrver; | |
13 | unsigned int pf; | |
14 | unsigned int datasize; | |
15 | unsigned int totalsize; | |
16 | unsigned int reserved[3]; | |
17 | }; | |
18 | ||
19 | struct microcode_intel { | |
20 | struct microcode_header_intel hdr; | |
21 | unsigned int bits[0]; | |
22 | }; | |
23 | ||
24 | /* microcode format is extended from prescott processors */ | |
25 | struct extended_signature { | |
26 | unsigned int sig; | |
27 | unsigned int pf; | |
28 | unsigned int cksum; | |
29 | }; | |
30 | ||
31 | struct extended_sigtable { | |
32 | unsigned int count; | |
33 | unsigned int cksum; | |
34 | unsigned int reserved[3]; | |
35 | struct extended_signature sigs[0]; | |
36 | }; | |
37 | ||
38 | #define DEFAULT_UCODE_DATASIZE (2000) | |
39 | #define MC_HEADER_SIZE (sizeof(struct microcode_header_intel)) | |
40 | #define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE) | |
41 | #define EXT_HEADER_SIZE (sizeof(struct extended_sigtable)) | |
42 | #define EXT_SIGNATURE_SIZE (sizeof(struct extended_signature)) | |
43 | #define DWSIZE (sizeof(u32)) | |
44 | ||
45 | #define get_totalsize(mc) \ | |
46 | (((struct microcode_intel *)mc)->hdr.totalsize ? \ | |
47 | ((struct microcode_intel *)mc)->hdr.totalsize : \ | |
48 | DEFAULT_UCODE_TOTALSIZE) | |
49 | ||
50 | #define get_datasize(mc) \ | |
51 | (((struct microcode_intel *)mc)->hdr.datasize ? \ | |
52 | ((struct microcode_intel *)mc)->hdr.datasize : DEFAULT_UCODE_DATASIZE) | |
53 | ||
54 | #define sigmatch(s1, s2, p1, p2) \ | |
55 | (((s1) == (s2)) && (((p1) & (p2)) || (((p1) == 0) && ((p2) == 0)))) | |
56 | ||
57 | #define exttable_size(et) ((et)->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE) | |
58 | ||
59 | extern int | |
60 | get_matching_microcode(unsigned int csig, int cpf, void *mc, int rev); | |
61 | extern int microcode_sanity_check(void *mc, int print_err); | |
62 | extern int get_matching_sig(unsigned int csig, int cpf, void *mc, int rev); | |
63 | extern int | |
64 | update_match_revision(struct microcode_header_intel *mc_header, int rev); | |
65 | ||
66 | #ifdef CONFIG_MICROCODE_INTEL_EARLY | |
67 | extern void __init load_ucode_intel_bsp(void); | |
68 | extern void __cpuinit load_ucode_intel_ap(void); | |
69 | extern void show_ucode_info_early(void); | |
70 | #else | |
71 | static inline __init void load_ucode_intel_bsp(void) {} | |
72 | static inline __cpuinit void load_ucode_intel_ap(void) {} | |
73 | static inline void show_ucode_info_early(void) {} | |
74 | #endif | |
75 | ||
76 | #if defined(CONFIG_MICROCODE_INTEL_EARLY) && defined(CONFIG_HOTPLUG_CPU) | |
77 | extern int save_mc_for_early(u8 *mc); | |
78 | #else | |
79 | static inline int save_mc_for_early(u8 *mc) | |
80 | { | |
81 | return 0; | |
82 | } | |
83 | #endif | |
84 | ||
85 | #endif /* _ASM_X86_MICROCODE_INTEL_H */ |