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79 lines
2.5 KiB
79 lines
2.5 KiB
#ifndef _ASM_X86_MICROCODE_INTEL_H |
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#define _ASM_X86_MICROCODE_INTEL_H |
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#include <asm/microcode.h> |
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struct microcode_header_intel { |
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unsigned int hdrver; |
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unsigned int rev; |
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unsigned int date; |
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unsigned int sig; |
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unsigned int cksum; |
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unsigned int ldrver; |
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unsigned int pf; |
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unsigned int datasize; |
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unsigned int totalsize; |
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unsigned int reserved[3]; |
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}; |
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struct microcode_intel { |
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struct microcode_header_intel hdr; |
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unsigned int bits[0]; |
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}; |
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/* microcode format is extended from prescott processors */ |
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struct extended_signature { |
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unsigned int sig; |
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unsigned int pf; |
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unsigned int cksum; |
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}; |
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struct extended_sigtable { |
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unsigned int count; |
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unsigned int cksum; |
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unsigned int reserved[3]; |
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struct extended_signature sigs[0]; |
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}; |
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#define DEFAULT_UCODE_DATASIZE (2000) |
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#define MC_HEADER_SIZE (sizeof(struct microcode_header_intel)) |
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#define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE) |
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#define EXT_HEADER_SIZE (sizeof(struct extended_sigtable)) |
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#define EXT_SIGNATURE_SIZE (sizeof(struct extended_signature)) |
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#define DWSIZE (sizeof(u32)) |
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#define get_totalsize(mc) \ |
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(((struct microcode_intel *)mc)->hdr.datasize ? \ |
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((struct microcode_intel *)mc)->hdr.totalsize : \ |
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DEFAULT_UCODE_TOTALSIZE) |
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#define get_datasize(mc) \ |
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(((struct microcode_intel *)mc)->hdr.datasize ? \ |
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((struct microcode_intel *)mc)->hdr.datasize : DEFAULT_UCODE_DATASIZE) |
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#define exttable_size(et) ((et)->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE) |
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extern int has_newer_microcode(void *mc, unsigned int csig, int cpf, int rev); |
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extern int microcode_sanity_check(void *mc, int print_err); |
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extern int find_matching_signature(void *mc, unsigned int csig, int cpf); |
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#ifdef CONFIG_MICROCODE_INTEL |
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extern void __init load_ucode_intel_bsp(void); |
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extern void load_ucode_intel_ap(void); |
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extern void show_ucode_info_early(void); |
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extern int __init save_microcode_in_initrd_intel(void); |
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void reload_ucode_intel(void); |
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#else |
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static inline __init void load_ucode_intel_bsp(void) {} |
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static inline void load_ucode_intel_ap(void) {} |
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static inline void show_ucode_info_early(void) {} |
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static inline int __init save_microcode_in_initrd_intel(void) { return -EINVAL; } |
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static inline void reload_ucode_intel(void) {} |
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#endif |
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#ifdef CONFIG_HOTPLUG_CPU |
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extern int save_mc_for_early(u8 *mc); |
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#else |
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static inline int save_mc_for_early(u8 *mc) { return 0; } |
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#endif |
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#endif /* _ASM_X86_MICROCODE_INTEL_H */
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