90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
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#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 sigmatch(s1, s2, p1, p2) \
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(((s1) == (s2)) && (((p1) & (p2)) || (((p1) == 0) && ((p2) == 0))))
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#define exttable_size(et) ((et)->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE)
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extern int
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get_matching_microcode(unsigned int csig, int cpf, void *mc, int rev);
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extern int microcode_sanity_check(void *mc, int print_err);
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extern int get_matching_sig(unsigned int csig, int cpf, void *mc, int rev);
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extern int
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update_match_revision(struct microcode_header_intel *mc_header, int rev);
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#ifdef CONFIG_MICROCODE_INTEL_EARLY
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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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#if defined(CONFIG_MICROCODE_INTEL_EARLY) && defined(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)
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{
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return 0;
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}
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#endif
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#endif /* _ASM_X86_MICROCODE_INTEL_H */
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