From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/x86/include/asm/nmi.h | 66 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 arch/x86/include/asm/nmi.h (limited to 'arch/x86/include/asm/nmi.h') diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h new file mode 100644 index 000000000..9d5d949e6 --- /dev/null +++ b/arch/x86/include/asm/nmi.h @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_NMI_H +#define _ASM_X86_NMI_H + +#include +#include +#include +#include + +#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 */ -- cgit v1.2.3