microcode_amd.h 1.4 KB

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  1. #ifndef _ASM_X86_MICROCODE_AMD_H
  2. #define _ASM_X86_MICROCODE_AMD_H
  3. #include <asm/microcode.h>
  4. #define UCODE_MAGIC 0x00414d44
  5. #define UCODE_EQUIV_CPU_TABLE_TYPE 0x00000000
  6. #define UCODE_UCODE_TYPE 0x00000001
  7. #define SECTION_HDR_SIZE 8
  8. #define CONTAINER_HDR_SZ 12
  9. struct equiv_cpu_entry {
  10. u32 installed_cpu;
  11. u32 fixed_errata_mask;
  12. u32 fixed_errata_compare;
  13. u16 equiv_cpu;
  14. u16 res;
  15. } __attribute__((packed));
  16. struct microcode_header_amd {
  17. u32 data_code;
  18. u32 patch_id;
  19. u16 mc_patch_data_id;
  20. u8 mc_patch_data_len;
  21. u8 init_flag;
  22. u32 mc_patch_data_checksum;
  23. u32 nb_dev_id;
  24. u32 sb_dev_id;
  25. u16 processor_rev_id;
  26. u8 nb_rev_id;
  27. u8 sb_rev_id;
  28. u8 bios_api_rev;
  29. u8 reserved1[3];
  30. u32 match_reg[8];
  31. } __attribute__((packed));
  32. struct microcode_amd {
  33. struct microcode_header_amd hdr;
  34. unsigned int mpb[0];
  35. };
  36. #define PATCH_MAX_SIZE PAGE_SIZE
  37. #ifdef CONFIG_MICROCODE_AMD
  38. extern void __init load_ucode_amd_bsp(unsigned int family);
  39. extern void load_ucode_amd_ap(unsigned int family);
  40. extern int __init save_microcode_in_initrd_amd(unsigned int family);
  41. void reload_ucode_amd(void);
  42. #else
  43. static inline void __init load_ucode_amd_bsp(unsigned int family) {}
  44. static inline void load_ucode_amd_ap(unsigned int family) {}
  45. static inline int __init
  46. save_microcode_in_initrd_amd(unsigned int family) { return -EINVAL; }
  47. void reload_ucode_amd(void) {}
  48. #endif
  49. #endif /* _ASM_X86_MICROCODE_AMD_H */