projects / thirdparty / kernel / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| a76096a6 JS |
2 | #ifndef _ASM_X86_MICROCODE_AMD_H |
| 3 | #define _ASM_X86_MICROCODE_AMD_H | |
| 4 | ||
| 5 | #include <asm/microcode.h> | |
| 6 | ||
| 7 | #define UCODE_MAGIC 0x00414d44 | |
| 8 | #define UCODE_EQUIV_CPU_TABLE_TYPE 0x00000000 | |
| 9 | #define UCODE_UCODE_TYPE 0x00000001 | |
| 10 | ||
| 11 | #define SECTION_HDR_SIZE 8 | |
| 12 | #define CONTAINER_HDR_SZ 12 | |
| 13 | ||
| 14 | struct equiv_cpu_entry { | |
| 15 | u32 installed_cpu; | |
| 16 | u32 fixed_errata_mask; | |
| 17 | u32 fixed_errata_compare; | |
| 18 | u16 equiv_cpu; | |
| 19 | u16 res; | |
| 20 | } __attribute__((packed)); | |
| 21 | ||
| 22 | struct microcode_header_amd { | |
| 23 | u32 data_code; | |
| 24 | u32 patch_id; | |
| 25 | u16 mc_patch_data_id; | |
| 26 | u8 mc_patch_data_len; | |
| 27 | u8 init_flag; | |
| 28 | u32 mc_patch_data_checksum; | |
| 29 | u32 nb_dev_id; | |
| 30 | u32 sb_dev_id; | |
| 31 | u16 processor_rev_id; | |
| 32 | u8 nb_rev_id; | |
| 33 | u8 sb_rev_id; | |
| 34 | u8 bios_api_rev; | |
| 35 | u8 reserved1[3]; | |
| 36 | u32 match_reg[8]; | |
| 37 | } __attribute__((packed)); | |
| 38 | ||
| 39 | struct microcode_amd { | |
| 40 | struct microcode_header_amd hdr; | |
| 41 | unsigned int mpb[0]; | |
| 42 | }; | |
| 43 | ||
| 5335ba5c | 44 | #define PATCH_MAX_SIZE PAGE_SIZE |
| 5335ba5c | 45 | |
| fe055896 | 46 | #ifdef CONFIG_MICROCODE_AMD |
| 7b179b8f | 47 | extern void __init load_ucode_amd_bsp(unsigned int family); |
| b3763a67 BP |
48 | extern void load_ucode_amd_ap(unsigned int family); |
| 49 | extern int __init save_microcode_in_initrd_amd(unsigned int family); | |
| fbae4ba8 | 50 | void reload_ucode_amd(void); |
| 757885e9 | 51 | #else |
| 7b179b8f | 52 | static inline void __init load_ucode_amd_bsp(unsigned int family) {} |
| b3763a67 BP |
53 | static inline void load_ucode_amd_ap(unsigned int family) {} |
| 54 | static inline int __init | |
| 55 | save_microcode_in_initrd_amd(unsigned int family) { return -EINVAL; } | |
| fbae4ba8 | 56 | void reload_ucode_amd(void) {} |
| 757885e9 | 57 | #endif |
| a76096a6 | 58 | #endif /* _ASM_X86_MICROCODE_AMD_H */ |