Edit File: microcode_intel.h
#ifndef _ASM_X86_MICROCODE_INTEL_H #define _ASM_X86_MICROCODE_INTEL_H #include <asm/microcode.h> struct microcode_header_intel { unsigned int hdrver; unsigned int rev; unsigned int date; unsigned int sig; unsigned int cksum; unsigned int ldrver; unsigned int pf; unsigned int datasize; unsigned int totalsize; unsigned int reserved[3]; }; struct microcode_intel { struct microcode_header_intel hdr; unsigned int bits[0]; }; /* microcode format is extended from prescott processors */ struct extended_signature { unsigned int sig; unsigned int pf; unsigned int cksum; }; struct extended_sigtable { unsigned int count; unsigned int cksum; unsigned int reserved[3]; struct extended_signature sigs[0]; }; #define DEFAULT_UCODE_DATASIZE (2000) #define MC_HEADER_SIZE (sizeof(struct microcode_header_intel)) #define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE) #define EXT_HEADER_SIZE (sizeof(struct extended_sigtable)) #define EXT_SIGNATURE_SIZE (sizeof(struct extended_signature)) #define get_totalsize(mc) \ (((struct microcode_intel *)mc)->hdr.totalsize ? \ ((struct microcode_intel *)mc)->hdr.totalsize : \ DEFAULT_UCODE_TOTALSIZE) #define get_datasize(mc) \ (((struct microcode_intel *)mc)->hdr.datasize ? \ ((struct microcode_intel *)mc)->hdr.datasize : DEFAULT_UCODE_DATASIZE) #define exttable_size(et) ((et)->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE) extern int has_newer_microcode(void *mc, unsigned int csig, int cpf, int rev); extern int microcode_sanity_check(void *mc, int print_err); extern int find_matching_signature(void *mc, unsigned int csig, int cpf); static inline u32 intel_get_microcode_revision(void) { u32 rev, dummy; native_wrmsrl(MSR_IA32_UCODE_REV, 0); /* As documented in the SDM: Do a CPUID 1 here */ native_cpuid_eax(1); /* get the current revision from MSR 0x8B */ native_rdmsr(MSR_IA32_UCODE_REV, dummy, rev); return rev; } #ifdef CONFIG_MICROCODE_INTEL extern void __init load_ucode_intel_bsp(void); extern void load_ucode_intel_ap(void); extern void show_ucode_info_early(void); extern int __init save_microcode_in_initrd_intel(void); void reload_ucode_intel(void); #else static inline __init void load_ucode_intel_bsp(void) {} static inline void load_ucode_intel_ap(void) {} static inline void show_ucode_info_early(void) {} static inline int __init save_microcode_in_initrd_intel(void) { return -EINVAL; } static inline void reload_ucode_intel(void) {} #endif #ifdef CONFIG_HOTPLUG_CPU extern int save_mc_for_early(u8 *mc); #else static inline int save_mc_for_early(u8 *mc) { return 0; } #endif #endif /* _ASM_X86_MICROCODE_INTEL_H */