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