projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1965aae3 PA |
1 | #ifndef _ASM_X86_MICROCODE_H |
| 2 | #define _ASM_X86_MICROCODE_H | |
| d45de409 | 3 | |
| 18dbc916 DA |
4 | struct cpu_signature { |
| 5 | unsigned int sig; | |
| 6 | unsigned int pf; | |
| 7 | unsigned int rev; | |
| 8 | }; | |
| 8d86f390 | 9 | |
| a0a29b62 | 10 | struct device; |
| d45de409 | 11 | |
| 871b72dd DA |
12 | enum ucode_state { UCODE_ERROR, UCODE_OK, UCODE_NFOUND }; |
| 13 | ||
| 26bf7a48 | 14 | struct microcode_ops { |
| d1c84f79 AH |
15 | void (*init)(struct device *device); |
| 16 | void (*fini)(void); | |
| 871b72dd DA |
17 | enum ucode_state (*request_microcode_user) (int cpu, |
| 18 | const void __user *buf, size_t size); | |
| a0a29b62 | 19 | |
| 871b72dd DA |
20 | enum ucode_state (*request_microcode_fw) (int cpu, |
| 21 | struct device *device); | |
| a0a29b62 | 22 | |
| a0a29b62 | 23 | void (*microcode_fini_cpu) (int cpu); |
| 871b72dd DA |
24 | |
| 25 | /* | |
| 26 | * The generic 'microcode_core' part guarantees that | |
| 27 | * the callbacks below run on a target cpu when they | |
| 28 | * are being called. | |
| 29 | * See also the "Synchronization" section in microcode_core.c. | |
| 30 | */ | |
| 31 | int (*apply_microcode) (int cpu); | |
| 32 | int (*collect_cpu_info) (int cpu, struct cpu_signature *csig); | |
| 26bf7a48 PO |
33 | }; |
| 34 | ||
| d45de409 | 35 | struct ucode_cpu_info { |
| 871b72dd DA |
36 | struct cpu_signature cpu_sig; |
| 37 | int valid; | |
| 38 | void *mc; | |
| c3b71bce | 39 | }; |
| d45de409 DA |
40 | extern struct ucode_cpu_info ucode_cpu_info[]; |
| 41 | ||
| 18dbc916 DA |
42 | #ifdef CONFIG_MICROCODE_INTEL |
| 43 | extern struct microcode_ops * __init init_intel_microcode(void); | |
| 44 | #else | |
| 45 | static inline struct microcode_ops * __init init_intel_microcode(void) | |
| 46 | { | |
| 47 | return NULL; | |
| 48 | } | |
| 49 | #endif /* CONFIG_MICROCODE_INTEL */ | |
| 50 | ||
| 51 | #ifdef CONFIG_MICROCODE_AMD | |
| 52 | extern struct microcode_ops * __init init_amd_microcode(void); | |
| 53 | #else | |
| 54 | static inline struct microcode_ops * __init init_amd_microcode(void) | |
| 55 | { | |
| 56 | return NULL; | |
| 57 | } | |
| 58 | #endif | |
| 59 | ||
| 1965aae3 | 60 | #endif /* _ASM_X86_MICROCODE_H */ |