| Fenghua Yu | 9cd4d78 | 2012-12-20 23:44:22 -0800 | [diff] [blame] | 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); |
| Paul Gortmaker | 148f9bb | 2013-06-18 18:23:59 -0400 | [diff] [blame] | 68 | extern void load_ucode_intel_ap(void); |
| Fenghua Yu | 9cd4d78 | 2012-12-20 23:44:22 -0800 | [diff] [blame] | 69 | extern void show_ucode_info_early(void); |
| Jacob Shin | f2b3ee8 | 2013-05-30 14:09:17 -0500 | [diff] [blame] | 70 | extern int __init save_microcode_in_initrd_intel(void); |
| Fenghua Yu | 9cd4d78 | 2012-12-20 23:44:22 -0800 | [diff] [blame] | 71 | #else |
| 72 | static inline __init void load_ucode_intel_bsp(void) {} |
| Paul Gortmaker | 148f9bb | 2013-06-18 18:23:59 -0400 | [diff] [blame] | 73 | static inline void load_ucode_intel_ap(void) {} |
| Fenghua Yu | 9cd4d78 | 2012-12-20 23:44:22 -0800 | [diff] [blame] | 74 | static inline void show_ucode_info_early(void) {} |
| Jacob Shin | f2b3ee8 | 2013-05-30 14:09:17 -0500 | [diff] [blame] | 75 | static inline int __init save_microcode_in_initrd_intel(void) { return -EINVAL; } |
| Fenghua Yu | 9cd4d78 | 2012-12-20 23:44:22 -0800 | [diff] [blame] | 76 | #endif |
| 77 | |
| 78 | #if defined(CONFIG_MICROCODE_INTEL_EARLY) && defined(CONFIG_HOTPLUG_CPU) |
| 79 | extern int save_mc_for_early(u8 *mc); |
| 80 | #else |
| 81 | static inline int save_mc_for_early(u8 *mc) |
| 82 | { |
| 83 | return 0; |
| 84 | } |
| 85 | #endif |
| 86 | |
| 87 | #endif /* _ASM_X86_MICROCODE_INTEL_H */ |