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cff7d378 TG |
1 | #ifndef __CPUHOTPLUG_H |
2 | #define __CPUHOTPLUG_H | |
3 | ||
4 | enum cpuhp_state { | |
5 | CPUHP_OFFLINE, | |
6 | CPUHP_CREATE_THREADS, | |
00e16c3d | 7 | CPUHP_PERF_PREPARE, |
95ca792c | 8 | CPUHP_PERF_X86_PREPARE, |
1a246b9f | 9 | CPUHP_PERF_X86_UNCORE_PREP, |
96b2bd38 | 10 | CPUHP_PERF_X86_AMD_UNCORE_PREP, |
8b5b773d | 11 | CPUHP_PERF_X86_RAPL_PREP, |
a409f5ee | 12 | CPUHP_PERF_BFIN, |
57ecde42 | 13 | CPUHP_PERF_POWER, |
e3cfce17 | 14 | CPUHP_PERF_SUPERH, |
cff7d378 TG |
15 | CPUHP_NOTIFY_PREPARE, |
16 | CPUHP_BRINGUP_CPU, | |
e69aab13 | 17 | CPUHP_AP_IDLE_DEAD, |
4baa0afc | 18 | CPUHP_AP_OFFLINE, |
9cf7243d | 19 | CPUHP_AP_SCHED_STARTING, |
93131f7a | 20 | CPUHP_AP_IRQ_GIC_STARTING, |
6670a6d8 | 21 | CPUHP_AP_IRQ_GICV3_STARTING, |
6c034d17 | 22 | CPUHP_AP_IRQ_HIP04_STARTING, |
cb5ff2d2 RC |
23 | CPUHP_AP_IRQ_ARMADA_XP_STARTING, |
24 | CPUHP_AP_IRQ_ARMADA_CASC_STARTING, | |
7ca04bc2 | 25 | CPUHP_AP_IRQ_BCM2836_STARTING, |
7fbbaebf | 26 | CPUHP_AP_ARM_MVEBU_COHERENCY, |
1a246b9f | 27 | CPUHP_AP_PERF_X86_UNCORE_STARTING, |
96b2bd38 | 28 | CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING, |
95ca792c | 29 | CPUHP_AP_PERF_X86_STARTING, |
9744f7b7 | 30 | CPUHP_AP_PERF_X86_AMD_IBS_STARTING, |
f0704827 | 31 | CPUHP_AP_PERF_X86_CQM_STARTING, |
77c34ef1 | 32 | CPUHP_AP_PERF_X86_CSTATE_STARTING, |
4baa0afc TG |
33 | CPUHP_AP_NOTIFY_STARTING, |
34 | CPUHP_AP_ONLINE, | |
35 | CPUHP_TEARDOWN_CPU, | |
fc6d73d6 | 36 | CPUHP_AP_ONLINE_IDLE, |
1cf4f629 | 37 | CPUHP_AP_SMPBOOT_THREADS, |
07d36c9e | 38 | CPUHP_AP_X86_VDSO_VMA_ONLINE, |
00e16c3d | 39 | CPUHP_AP_PERF_ONLINE, |
95ca792c | 40 | CPUHP_AP_PERF_X86_ONLINE, |
1a246b9f | 41 | CPUHP_AP_PERF_X86_UNCORE_ONLINE, |
96b2bd38 | 42 | CPUHP_AP_PERF_X86_AMD_UNCORE_ONLINE, |
8b5b773d | 43 | CPUHP_AP_PERF_X86_RAPL_ONLINE, |
f0704827 | 44 | CPUHP_AP_PERF_X86_CQM_ONLINE, |
77c34ef1 | 45 | CPUHP_AP_PERF_X86_CSTATE_ONLINE, |
4f0f8217 | 46 | CPUHP_AP_PERF_S390_CF_ONLINE, |
e3d617fe | 47 | CPUHP_AP_PERF_S390_SF_ONLINE, |
28c94843 | 48 | CPUHP_AP_PERF_ARM_CCI_ONLINE, |
fdc15a36 | 49 | CPUHP_AP_PERF_ARM_CCN_ONLINE, |
1cf4f629 TG |
50 | CPUHP_AP_NOTIFY_ONLINE, |
51 | CPUHP_AP_ONLINE_DYN, | |
52 | CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30, | |
aaddd7d1 | 53 | CPUHP_AP_ACTIVE, |
cff7d378 TG |
54 | CPUHP_ONLINE, |
55 | }; | |
56 | ||
5b7aa87e TG |
57 | int __cpuhp_setup_state(enum cpuhp_state state, const char *name, bool invoke, |
58 | int (*startup)(unsigned int cpu), | |
59 | int (*teardown)(unsigned int cpu)); | |
60 | ||
61 | /** | |
62 | * cpuhp_setup_state - Setup hotplug state callbacks with calling the callbacks | |
63 | * @state: The state for which the calls are installed | |
64 | * @name: Name of the callback (will be used in debug output) | |
65 | * @startup: startup callback function | |
66 | * @teardown: teardown callback function | |
67 | * | |
68 | * Installs the callback functions and invokes the startup callback on | |
69 | * the present cpus which have already reached the @state. | |
70 | */ | |
71 | static inline int cpuhp_setup_state(enum cpuhp_state state, | |
72 | const char *name, | |
73 | int (*startup)(unsigned int cpu), | |
74 | int (*teardown)(unsigned int cpu)) | |
75 | { | |
76 | return __cpuhp_setup_state(state, name, true, startup, teardown); | |
77 | } | |
78 | ||
79 | /** | |
80 | * cpuhp_setup_state_nocalls - Setup hotplug state callbacks without calling the | |
81 | * callbacks | |
82 | * @state: The state for which the calls are installed | |
83 | * @name: Name of the callback. | |
84 | * @startup: startup callback function | |
85 | * @teardown: teardown callback function | |
86 | * | |
87 | * Same as @cpuhp_setup_state except that no calls are executed are invoked | |
88 | * during installation of this callback. NOP if SMP=n or HOTPLUG_CPU=n. | |
89 | */ | |
90 | static inline int cpuhp_setup_state_nocalls(enum cpuhp_state state, | |
91 | const char *name, | |
92 | int (*startup)(unsigned int cpu), | |
93 | int (*teardown)(unsigned int cpu)) | |
94 | { | |
95 | return __cpuhp_setup_state(state, name, false, startup, teardown); | |
96 | } | |
97 | ||
98 | void __cpuhp_remove_state(enum cpuhp_state state, bool invoke); | |
99 | ||
100 | /** | |
101 | * cpuhp_remove_state - Remove hotplug state callbacks and invoke the teardown | |
102 | * @state: The state for which the calls are removed | |
103 | * | |
104 | * Removes the callback functions and invokes the teardown callback on | |
105 | * the present cpus which have already reached the @state. | |
106 | */ | |
107 | static inline void cpuhp_remove_state(enum cpuhp_state state) | |
108 | { | |
109 | __cpuhp_remove_state(state, true); | |
110 | } | |
111 | ||
112 | /** | |
113 | * cpuhp_remove_state_nocalls - Remove hotplug state callbacks without invoking | |
114 | * teardown | |
115 | * @state: The state for which the calls are removed | |
116 | */ | |
117 | static inline void cpuhp_remove_state_nocalls(enum cpuhp_state state) | |
118 | { | |
119 | __cpuhp_remove_state(state, false); | |
120 | } | |
121 | ||
8df3e07e TG |
122 | #ifdef CONFIG_SMP |
123 | void cpuhp_online_idle(enum cpuhp_state state); | |
124 | #else | |
125 | static inline void cpuhp_online_idle(enum cpuhp_state state) { } | |
126 | #endif | |
127 | ||
cff7d378 | 128 | #endif |