Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _ASM_X86_NMI_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _ASM_X86_NMI_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/irq_work.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/pm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <asm/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #ifdef CONFIG_X86_LOCAL_APIC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) extern int reserve_perfctr_nmi(unsigned int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) extern void release_perfctr_nmi(unsigned int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) extern int reserve_evntsel_nmi(unsigned int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) extern void release_evntsel_nmi(unsigned int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct ctl_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) extern int proc_nmi_enabled(struct ctl_table *, int ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 			void __user *, size_t *, loff_t *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) extern int unknown_nmi_panic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #endif /* CONFIG_X86_LOCAL_APIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define NMI_FLAG_FIRST	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	NMI_LOCAL=0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	NMI_UNKNOWN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	NMI_SERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	NMI_IO_CHECK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	NMI_MAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define NMI_DONE	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define NMI_HANDLED	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct nmiaction {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	struct list_head	list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	nmi_handler_t		handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	u64			max_duration;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	unsigned long		flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	const char		*name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define register_nmi_handler(t, fn, fg, n, init...)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) ({							\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	static struct nmiaction init fn##_na = {	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 		.handler = (fn),			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 		.name = (n),				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		.flags = (fg),				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	};						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	__register_nmi_handler((t), &fn##_na);		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) int __register_nmi_handler(unsigned int, struct nmiaction *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) void unregister_nmi_handler(unsigned int, const char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) void stop_nmi(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) void restart_nmi(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) void local_touch_nmi(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #endif /* _ASM_X86_NMI_H */