diff options
Diffstat (limited to 'arch/x86/include/asm/nmi.h')
-rw-r--r-- | arch/x86/include/asm/nmi.h | 53 |
1 files changed, 1 insertions, 52 deletions
diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h index 932f0f86b4b7..c4021b953510 100644 --- a/arch/x86/include/asm/nmi.h +++ b/arch/x86/include/asm/nmi.h | |||
@@ -5,41 +5,15 @@ | |||
5 | #include <asm/irq.h> | 5 | #include <asm/irq.h> |
6 | #include <asm/io.h> | 6 | #include <asm/io.h> |
7 | 7 | ||
8 | #ifdef ARCH_HAS_NMI_WATCHDOG | 8 | #ifdef CONFIG_X86_LOCAL_APIC |
9 | |||
10 | /** | ||
11 | * do_nmi_callback | ||
12 | * | ||
13 | * Check to see if a callback exists and execute it. Return 1 | ||
14 | * if the handler exists and was handled successfully. | ||
15 | */ | ||
16 | int do_nmi_callback(struct pt_regs *regs, int cpu); | ||
17 | 9 | ||
18 | extern void die_nmi(char *str, struct pt_regs *regs, int do_panic); | 10 | extern void die_nmi(char *str, struct pt_regs *regs, int do_panic); |
19 | extern int check_nmi_watchdog(void); | ||
20 | #if !defined(CONFIG_LOCKUP_DETECTOR) | ||
21 | extern int nmi_watchdog_enabled; | ||
22 | #endif | ||
23 | extern int avail_to_resrv_perfctr_nmi_bit(unsigned int); | 11 | extern int avail_to_resrv_perfctr_nmi_bit(unsigned int); |
24 | extern int reserve_perfctr_nmi(unsigned int); | 12 | extern int reserve_perfctr_nmi(unsigned int); |
25 | extern void release_perfctr_nmi(unsigned int); | 13 | extern void release_perfctr_nmi(unsigned int); |
26 | extern int reserve_evntsel_nmi(unsigned int); | 14 | extern int reserve_evntsel_nmi(unsigned int); |
27 | extern void release_evntsel_nmi(unsigned int); | 15 | extern void release_evntsel_nmi(unsigned int); |
28 | 16 | ||
29 | extern void setup_apic_nmi_watchdog(void *); | ||
30 | extern void stop_apic_nmi_watchdog(void *); | ||
31 | extern void disable_timer_nmi_watchdog(void); | ||
32 | extern void enable_timer_nmi_watchdog(void); | ||
33 | extern int nmi_watchdog_tick(struct pt_regs *regs, unsigned reason); | ||
34 | extern void cpu_nmi_set_wd_enabled(void); | ||
35 | |||
36 | extern atomic_t nmi_active; | ||
37 | extern unsigned int nmi_watchdog; | ||
38 | #define NMI_NONE 0 | ||
39 | #define NMI_IO_APIC 1 | ||
40 | #define NMI_LOCAL_APIC 2 | ||
41 | #define NMI_INVALID 3 | ||
42 | |||
43 | struct ctl_table; | 17 | struct ctl_table; |
44 | extern int proc_nmi_enabled(struct ctl_table *, int , | 18 | extern int proc_nmi_enabled(struct ctl_table *, int , |
45 | void __user *, size_t *, loff_t *); | 19 | void __user *, size_t *, loff_t *); |
@@ -47,33 +21,8 @@ extern int unknown_nmi_panic; | |||
47 | 21 | ||
48 | void arch_trigger_all_cpu_backtrace(void); | 22 | void arch_trigger_all_cpu_backtrace(void); |
49 | #define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace | 23 | #define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace |
50 | |||
51 | static inline void localise_nmi_watchdog(void) | ||
52 | { | ||
53 | if (nmi_watchdog == NMI_IO_APIC) | ||
54 | nmi_watchdog = NMI_LOCAL_APIC; | ||
55 | } | ||
56 | |||
57 | /* check if nmi_watchdog is active (ie was specified at boot) */ | ||
58 | static inline int nmi_watchdog_active(void) | ||
59 | { | ||
60 | /* | ||
61 | * actually it should be: | ||
62 | * return (nmi_watchdog == NMI_LOCAL_APIC || | ||
63 | * nmi_watchdog == NMI_IO_APIC) | ||
64 | * but since they are power of two we could use a | ||
65 | * cheaper way --cvg | ||
66 | */ | ||
67 | return nmi_watchdog & (NMI_LOCAL_APIC | NMI_IO_APIC); | ||
68 | } | ||
69 | #endif | 24 | #endif |
70 | 25 | ||
71 | void lapic_watchdog_stop(void); | ||
72 | int lapic_watchdog_init(unsigned nmi_hz); | ||
73 | int lapic_wd_event(unsigned nmi_hz); | ||
74 | unsigned lapic_adjust_nmi_hz(unsigned hz); | ||
75 | void disable_lapic_nmi_watchdog(void); | ||
76 | void enable_lapic_nmi_watchdog(void); | ||
77 | void stop_nmi(void); | 26 | void stop_nmi(void); |
78 | void restart_nmi(void); | 27 | void restart_nmi(void); |
79 | 28 | ||