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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, |
48d7f6c7 | 15 | CPUHP_X86_HPET_DEAD, |
148b9e2a | 16 | CPUHP_X86_APB_DEAD, |
7ee681b2 | 17 | CPUHP_WORKQUEUE_PREP, |
cff7d378 TG |
18 | CPUHP_NOTIFY_PREPARE, |
19 | CPUHP_BRINGUP_CPU, | |
e69aab13 | 20 | CPUHP_AP_IDLE_DEAD, |
4baa0afc | 21 | CPUHP_AP_OFFLINE, |
9cf7243d | 22 | CPUHP_AP_SCHED_STARTING, |
93131f7a | 23 | CPUHP_AP_IRQ_GIC_STARTING, |
6670a6d8 | 24 | CPUHP_AP_IRQ_GICV3_STARTING, |
6c034d17 | 25 | CPUHP_AP_IRQ_HIP04_STARTING, |
cb5ff2d2 RC |
26 | CPUHP_AP_IRQ_ARMADA_XP_STARTING, |
27 | CPUHP_AP_IRQ_ARMADA_CASC_STARTING, | |
7ca04bc2 | 28 | CPUHP_AP_IRQ_BCM2836_STARTING, |
7fbbaebf | 29 | CPUHP_AP_ARM_MVEBU_COHERENCY, |
1a246b9f | 30 | CPUHP_AP_PERF_X86_UNCORE_STARTING, |
96b2bd38 | 31 | CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING, |
95ca792c | 32 | CPUHP_AP_PERF_X86_STARTING, |
9744f7b7 | 33 | CPUHP_AP_PERF_X86_AMD_IBS_STARTING, |
f0704827 | 34 | CPUHP_AP_PERF_X86_CQM_STARTING, |
77c34ef1 | 35 | CPUHP_AP_PERF_X86_CSTATE_STARTING, |
25a77b55 | 36 | CPUHP_AP_PERF_XTENSA_STARTING, |
e5b61baf | 37 | CPUHP_AP_ARM_VFP_STARTING, |
4baa0afc TG |
38 | CPUHP_AP_NOTIFY_STARTING, |
39 | CPUHP_AP_ONLINE, | |
40 | CPUHP_TEARDOWN_CPU, | |
fc6d73d6 | 41 | CPUHP_AP_ONLINE_IDLE, |
1cf4f629 | 42 | CPUHP_AP_SMPBOOT_THREADS, |
07d36c9e | 43 | CPUHP_AP_X86_VDSO_VMA_ONLINE, |
00e16c3d | 44 | CPUHP_AP_PERF_ONLINE, |
95ca792c | 45 | CPUHP_AP_PERF_X86_ONLINE, |
1a246b9f | 46 | CPUHP_AP_PERF_X86_UNCORE_ONLINE, |
96b2bd38 | 47 | CPUHP_AP_PERF_X86_AMD_UNCORE_ONLINE, |
c6a84daa | 48 | CPUHP_AP_PERF_X86_AMD_POWER_ONLINE, |
8b5b773d | 49 | CPUHP_AP_PERF_X86_RAPL_ONLINE, |
f0704827 | 50 | CPUHP_AP_PERF_X86_CQM_ONLINE, |
77c34ef1 | 51 | CPUHP_AP_PERF_X86_CSTATE_ONLINE, |
4f0f8217 | 52 | CPUHP_AP_PERF_S390_CF_ONLINE, |
e3d617fe | 53 | CPUHP_AP_PERF_S390_SF_ONLINE, |
28c94843 | 54 | CPUHP_AP_PERF_ARM_CCI_ONLINE, |
fdc15a36 | 55 | CPUHP_AP_PERF_ARM_CCN_ONLINE, |
7ee681b2 | 56 | CPUHP_AP_WORKQUEUE_ONLINE, |
1cf4f629 TG |
57 | CPUHP_AP_NOTIFY_ONLINE, |
58 | CPUHP_AP_ONLINE_DYN, | |
59 | CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30, | |
48d7f6c7 | 60 | CPUHP_AP_X86_HPET_ONLINE, |
251a5fd6 | 61 | CPUHP_AP_X86_KVM_CLK_ONLINE, |
aaddd7d1 | 62 | CPUHP_AP_ACTIVE, |
cff7d378 TG |
63 | CPUHP_ONLINE, |
64 | }; | |
65 | ||
5b7aa87e TG |
66 | int __cpuhp_setup_state(enum cpuhp_state state, const char *name, bool invoke, |
67 | int (*startup)(unsigned int cpu), | |
68 | int (*teardown)(unsigned int cpu)); | |
69 | ||
70 | /** | |
71 | * cpuhp_setup_state - Setup hotplug state callbacks with calling the callbacks | |
72 | * @state: The state for which the calls are installed | |
73 | * @name: Name of the callback (will be used in debug output) | |
74 | * @startup: startup callback function | |
75 | * @teardown: teardown callback function | |
76 | * | |
77 | * Installs the callback functions and invokes the startup callback on | |
78 | * the present cpus which have already reached the @state. | |
79 | */ | |
80 | static inline int cpuhp_setup_state(enum cpuhp_state state, | |
81 | const char *name, | |
82 | int (*startup)(unsigned int cpu), | |
83 | int (*teardown)(unsigned int cpu)) | |
84 | { | |
85 | return __cpuhp_setup_state(state, name, true, startup, teardown); | |
86 | } | |
87 | ||
88 | /** | |
89 | * cpuhp_setup_state_nocalls - Setup hotplug state callbacks without calling the | |
90 | * callbacks | |
91 | * @state: The state for which the calls are installed | |
92 | * @name: Name of the callback. | |
93 | * @startup: startup callback function | |
94 | * @teardown: teardown callback function | |
95 | * | |
96 | * Same as @cpuhp_setup_state except that no calls are executed are invoked | |
97 | * during installation of this callback. NOP if SMP=n or HOTPLUG_CPU=n. | |
98 | */ | |
99 | static inline int cpuhp_setup_state_nocalls(enum cpuhp_state state, | |
100 | const char *name, | |
101 | int (*startup)(unsigned int cpu), | |
102 | int (*teardown)(unsigned int cpu)) | |
103 | { | |
104 | return __cpuhp_setup_state(state, name, false, startup, teardown); | |
105 | } | |
106 | ||
107 | void __cpuhp_remove_state(enum cpuhp_state state, bool invoke); | |
108 | ||
109 | /** | |
110 | * cpuhp_remove_state - Remove hotplug state callbacks and invoke the teardown | |
111 | * @state: The state for which the calls are removed | |
112 | * | |
113 | * Removes the callback functions and invokes the teardown callback on | |
114 | * the present cpus which have already reached the @state. | |
115 | */ | |
116 | static inline void cpuhp_remove_state(enum cpuhp_state state) | |
117 | { | |
118 | __cpuhp_remove_state(state, true); | |
119 | } | |
120 | ||
121 | /** | |
122 | * cpuhp_remove_state_nocalls - Remove hotplug state callbacks without invoking | |
123 | * teardown | |
124 | * @state: The state for which the calls are removed | |
125 | */ | |
126 | static inline void cpuhp_remove_state_nocalls(enum cpuhp_state state) | |
127 | { | |
128 | __cpuhp_remove_state(state, false); | |
129 | } | |
130 | ||
8df3e07e TG |
131 | #ifdef CONFIG_SMP |
132 | void cpuhp_online_idle(enum cpuhp_state state); | |
133 | #else | |
134 | static inline void cpuhp_online_idle(enum cpuhp_state state) { } | |
135 | #endif | |
136 | ||
cff7d378 | 137 | #endif |