projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 9cd4d78e FY |
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)) | |
| 9cd4d78e FY |
43 | |
| 44 | #define get_totalsize(mc) \ | |
| ebc14ddc | 45 | (((struct microcode_intel *)mc)->hdr.datasize ? \ |
| 9cd4d78e FY |
46 | ((struct microcode_intel *)mc)->hdr.totalsize : \ |
| 47 | DEFAULT_UCODE_TOTALSIZE) | |
| 48 | ||
| 49 | #define get_datasize(mc) \ | |
| 50 | (((struct microcode_intel *)mc)->hdr.datasize ? \ | |
| 51 | ((struct microcode_intel *)mc)->hdr.datasize : DEFAULT_UCODE_DATASIZE) | |
| 52 | ||
| 9cd4d78e FY |
53 | #define exttable_size(et) ((et)->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE) |
| 54 | ||
| 8de3eafc | 55 | extern int has_newer_microcode(void *mc, unsigned int csig, int cpf, int rev); |
| 9cd4d78e | 56 | extern int microcode_sanity_check(void *mc, int print_err); |
| e774eaa9 | 57 | extern int find_matching_signature(void *mc, unsigned int csig, int cpf); |
| 4f5e5f2b | 58 | |
| fe055896 | 59 | #ifdef CONFIG_MICROCODE_INTEL |
| 9cd4d78e | 60 | extern void __init load_ucode_intel_bsp(void); |
| 148f9bb8 | 61 | extern void load_ucode_intel_ap(void); |
| 9cd4d78e | 62 | extern void show_ucode_info_early(void); |
| f2b3ee82 | 63 | extern int __init save_microcode_in_initrd_intel(void); |
| fbae4ba8 | 64 | void reload_ucode_intel(void); |
| 9cd4d78e FY |
65 | #else |
| 66 | static inline __init void load_ucode_intel_bsp(void) {} | |
| 148f9bb8 | 67 | static inline void load_ucode_intel_ap(void) {} |
| 9cd4d78e | 68 | static inline void show_ucode_info_early(void) {} |
| f2b3ee82 | 69 | static inline int __init save_microcode_in_initrd_intel(void) { return -EINVAL; } |
| fbae4ba8 | 70 | static inline void reload_ucode_intel(void) {} |
| 9cd4d78e FY |
71 | #endif |
| 72 | ||
| 9cd4d78e | 73 | #endif /* _ASM_X86_MICROCODE_INTEL_H */ |