blob: 24215072d0e1e5894d4643634bfe1ef9786eef55 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
#ifndef _ASM_X86_MICROCODE_H
#define _ASM_X86_MICROCODE_H
struct cpu_signature {
unsigned int sig;
unsigned int pf;
unsigned int rev;
};
struct device;
enum ucode_state { UCODE_ERROR, UCODE_OK, UCODE_NFOUND };
struct microcode_ops {
enum ucode_state (*request_microcode_user) (int cpu,
const void __user *buf, size_t size);
enum ucode_state (*request_microcode_fw) (int cpu,
struct device *device);
void (*microcode_fini_cpu) (int cpu);
/*
* The generic 'microcode_core' part guarantees that
* the callbacks below run on a target cpu when they
* are being called.
* See also the "Synchronization" section in microcode_core.c.
*/
int (*apply_microcode) (int cpu);
int (*collect_cpu_info) (int cpu, struct cpu_signature *csig);
};
struct ucode_cpu_info {
struct cpu_signature cpu_sig;
int valid;
void *mc;
};
extern struct ucode_cpu_info ucode_cpu_info[];
#ifdef CONFIG_MICROCODE_INTEL
extern struct microcode_ops * __init init_intel_microcode(void);
#else
static inline struct microcode_ops * __init init_intel_microcode(void)
{
return NULL;
}
#endif /* CONFIG_MICROCODE_INTEL */
#ifdef CONFIG_MICROCODE_AMD
extern struct microcode_ops * __init init_amd_microcode(void);
static inline void get_ucode_data(void *to, const u8 *from, size_t n)
{
memcpy(to, from, n);
}
#else
static inline struct microcode_ops * __init init_amd_microcode(void)
{
return NULL;
}
#endif
#endif /* _ASM_X86_MICROCODE_H */
|
