67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef _ASM_X86_NMI_H
|
||
|
|
#define _ASM_X86_NMI_H
|
||
|
|
|
||
|
|
#include <linux/irq_work.h>
|
||
|
|
#include <linux/pm.h>
|
||
|
|
#include <asm/irq.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
|
||
|
|
#ifdef CONFIG_X86_LOCAL_APIC
|
||
|
|
|
||
|
|
extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
|
||
|
|
extern int reserve_perfctr_nmi(unsigned int);
|
||
|
|
extern void release_perfctr_nmi(unsigned int);
|
||
|
|
extern int reserve_evntsel_nmi(unsigned int);
|
||
|
|
extern void release_evntsel_nmi(unsigned int);
|
||
|
|
|
||
|
|
struct ctl_table;
|
||
|
|
extern int proc_nmi_enabled(struct ctl_table *, int ,
|
||
|
|
void __user *, size_t *, loff_t *);
|
||
|
|
extern int unknown_nmi_panic;
|
||
|
|
|
||
|
|
#endif /* CONFIG_X86_LOCAL_APIC */
|
||
|
|
|
||
|
|
#define NMI_FLAG_FIRST 1
|
||
|
|
|
||
|
|
enum {
|
||
|
|
NMI_LOCAL=0,
|
||
|
|
NMI_UNKNOWN,
|
||
|
|
NMI_SERR,
|
||
|
|
NMI_IO_CHECK,
|
||
|
|
NMI_MAX
|
||
|
|
};
|
||
|
|
|
||
|
|
#define NMI_DONE 0
|
||
|
|
#define NMI_HANDLED 1
|
||
|
|
|
||
|
|
typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *);
|
||
|
|
|
||
|
|
struct nmiaction {
|
||
|
|
struct list_head list;
|
||
|
|
nmi_handler_t handler;
|
||
|
|
u64 max_duration;
|
||
|
|
unsigned long flags;
|
||
|
|
const char *name;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define register_nmi_handler(t, fn, fg, n, init...) \
|
||
|
|
({ \
|
||
|
|
static struct nmiaction init fn##_na = { \
|
||
|
|
.handler = (fn), \
|
||
|
|
.name = (n), \
|
||
|
|
.flags = (fg), \
|
||
|
|
}; \
|
||
|
|
__register_nmi_handler((t), &fn##_na); \
|
||
|
|
})
|
||
|
|
|
||
|
|
int __register_nmi_handler(unsigned int, struct nmiaction *);
|
||
|
|
|
||
|
|
void unregister_nmi_handler(unsigned int, const char *);
|
||
|
|
|
||
|
|
void stop_nmi(void);
|
||
|
|
void restart_nmi(void);
|
||
|
|
void local_touch_nmi(void);
|
||
|
|
|
||
|
|
#endif /* _ASM_X86_NMI_H */
|