Linux kernel mirror (for testing)
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1#ifndef _ASM_X86_MICROCODE_H
2#define _ASM_X86_MICROCODE_H
3
4struct cpu_signature {
5 unsigned int sig;
6 unsigned int pf;
7 unsigned int rev;
8};
9
10struct device;
11
12struct microcode_ops {
13 int (*request_microcode_user) (int cpu, const void __user *buf, size_t size);
14 int (*request_microcode_fw) (int cpu, struct device *device);
15
16 void (*apply_microcode) (int cpu);
17
18 int (*collect_cpu_info) (int cpu, struct cpu_signature *csig);
19 void (*microcode_fini_cpu) (int cpu);
20};
21
22struct ucode_cpu_info {
23 struct cpu_signature cpu_sig;
24 int valid;
25 void *mc;
26};
27extern struct ucode_cpu_info ucode_cpu_info[];
28
29#ifdef CONFIG_MICROCODE_INTEL
30extern struct microcode_ops * __init init_intel_microcode(void);
31#else
32static inline struct microcode_ops * __init init_intel_microcode(void)
33{
34 return NULL;
35}
36#endif /* CONFIG_MICROCODE_INTEL */
37
38#ifdef CONFIG_MICROCODE_AMD
39extern struct microcode_ops * __init init_amd_microcode(void);
40#else
41static inline struct microcode_ops * __init init_amd_microcode(void)
42{
43 return NULL;
44}
45#endif
46
47#endif /* _ASM_X86_MICROCODE_H */