59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
|
#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);
|
||
|
|
#else
|
||
|
|
static inline struct microcode_ops * __init init_amd_microcode(void)
|
||
|
|
{
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _ASM_X86_MICROCODE_H */
|