Commit | Line | Data |
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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, |
bdab88e0 | 18 | CPUHP_POWER_NUMA_PREPARE, |
27590dc1 | 19 | CPUHP_HRTIMERS_PREPARE, |
e722d8da | 20 | CPUHP_PROFILE_PREPARE, |
6b2c2847 | 21 | CPUHP_X2APIC_PREPARE, |
31487f83 | 22 | CPUHP_SMPCFD_PREPARE, |
4df83742 | 23 | CPUHP_RCUTREE_PREP, |
cff7d378 | 24 | CPUHP_NOTIFY_PREPARE, |
4fae16df | 25 | CPUHP_TIMERS_DEAD, |
cff7d378 | 26 | CPUHP_BRINGUP_CPU, |
e69aab13 | 27 | CPUHP_AP_IDLE_DEAD, |
4baa0afc | 28 | CPUHP_AP_OFFLINE, |
9cf7243d | 29 | CPUHP_AP_SCHED_STARTING, |
4df83742 | 30 | CPUHP_AP_RCUTREE_DYING, |
93131f7a | 31 | CPUHP_AP_IRQ_GIC_STARTING, |
6670a6d8 | 32 | CPUHP_AP_IRQ_GICV3_STARTING, |
6c034d17 | 33 | CPUHP_AP_IRQ_HIP04_STARTING, |
cb5ff2d2 RC |
34 | CPUHP_AP_IRQ_ARMADA_XP_STARTING, |
35 | CPUHP_AP_IRQ_ARMADA_CASC_STARTING, | |
7ca04bc2 | 36 | CPUHP_AP_IRQ_BCM2836_STARTING, |
7fbbaebf | 37 | CPUHP_AP_ARM_MVEBU_COHERENCY, |
1a246b9f | 38 | CPUHP_AP_PERF_X86_UNCORE_STARTING, |
96b2bd38 | 39 | CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING, |
95ca792c | 40 | CPUHP_AP_PERF_X86_STARTING, |
9744f7b7 | 41 | CPUHP_AP_PERF_X86_AMD_IBS_STARTING, |
f0704827 | 42 | CPUHP_AP_PERF_X86_CQM_STARTING, |
77c34ef1 | 43 | CPUHP_AP_PERF_X86_CSTATE_STARTING, |
25a77b55 | 44 | CPUHP_AP_PERF_XTENSA_STARTING, |
04d045a6 | 45 | CPUHP_AP_PERF_METAG_STARTING, |
65264e3b | 46 | CPUHP_AP_MIPS_OP_LOONGSON3_STARTING, |
e5b61baf | 47 | CPUHP_AP_ARM_VFP_STARTING, |
7d88eb69 | 48 | CPUHP_AP_PERF_ARM_STARTING, |
9eeb2264 | 49 | CPUHP_AP_ARM_L2X0_STARTING, |
7e86e8bd | 50 | CPUHP_AP_ARM_ARCH_TIMER_STARTING, |
b8a12296 | 51 | CPUHP_AP_ARM_GLOBAL_TIMER_STARTING, |
00c1d17a | 52 | CPUHP_AP_DUMMY_TIMER_STARTING, |
d11b3a60 | 53 | CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING, |
26b87688 | 54 | CPUHP_AP_ARM_TWD_STARTING, |
31e8e5db | 55 | CPUHP_AP_METAG_TIMER_STARTING, |
b0404165 | 56 | CPUHP_AP_QCOM_TIMER_STARTING, |
2c48fef7 | 57 | CPUHP_AP_ARMADA_TIMER_STARTING, |
eb0a9d8c | 58 | CPUHP_AP_MARCO_TIMER_STARTING, |
2dab9093 | 59 | CPUHP_AP_MIPS_GIC_TIMER_STARTING, |
ecd8081f | 60 | CPUHP_AP_ARC_TIMER_STARTING, |
8c18b2d2 | 61 | CPUHP_AP_KVM_STARTING, |
15d7e3d3 | 62 | CPUHP_AP_KVM_ARM_VGIC_INIT_STARTING, |
42ec50b5 | 63 | CPUHP_AP_KVM_ARM_VGIC_STARTING, |
b3c9950a | 64 | CPUHP_AP_KVM_ARM_TIMER_STARTING, |
4761adb6 | 65 | CPUHP_AP_ARM_XEN_STARTING, |
2b5283d1 | 66 | CPUHP_AP_ARM_CORESIGHT_STARTING, |
58eb457b | 67 | CPUHP_AP_ARM_CORESIGHT4_STARTING, |
27c01a8c | 68 | CPUHP_AP_ARM64_ISNDEP_STARTING, |
31487f83 | 69 | CPUHP_AP_SMPCFD_DYING, |
ae6a8a2e | 70 | CPUHP_AP_X86_TBOOT_DYING, |
4baa0afc TG |
71 | CPUHP_AP_NOTIFY_STARTING, |
72 | CPUHP_AP_ONLINE, | |
73 | CPUHP_TEARDOWN_CPU, | |
fc6d73d6 | 74 | CPUHP_AP_ONLINE_IDLE, |
1cf4f629 | 75 | CPUHP_AP_SMPBOOT_THREADS, |
07d36c9e | 76 | CPUHP_AP_X86_VDSO_VMA_ONLINE, |
00e16c3d | 77 | CPUHP_AP_PERF_ONLINE, |
95ca792c | 78 | CPUHP_AP_PERF_X86_ONLINE, |
1a246b9f | 79 | CPUHP_AP_PERF_X86_UNCORE_ONLINE, |
96b2bd38 | 80 | CPUHP_AP_PERF_X86_AMD_UNCORE_ONLINE, |
c6a84daa | 81 | CPUHP_AP_PERF_X86_AMD_POWER_ONLINE, |
8b5b773d | 82 | CPUHP_AP_PERF_X86_RAPL_ONLINE, |
f0704827 | 83 | CPUHP_AP_PERF_X86_CQM_ONLINE, |
77c34ef1 | 84 | CPUHP_AP_PERF_X86_CSTATE_ONLINE, |
4f0f8217 | 85 | CPUHP_AP_PERF_S390_CF_ONLINE, |
e3d617fe | 86 | CPUHP_AP_PERF_S390_SF_ONLINE, |
28c94843 | 87 | CPUHP_AP_PERF_ARM_CCI_ONLINE, |
fdc15a36 | 88 | CPUHP_AP_PERF_ARM_CCN_ONLINE, |
7ee681b2 | 89 | CPUHP_AP_WORKQUEUE_ONLINE, |
4df83742 | 90 | CPUHP_AP_RCUTREE_ONLINE, |
1cf4f629 TG |
91 | CPUHP_AP_NOTIFY_ONLINE, |
92 | CPUHP_AP_ONLINE_DYN, | |
93 | CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30, | |
48d7f6c7 | 94 | CPUHP_AP_X86_HPET_ONLINE, |
251a5fd6 | 95 | CPUHP_AP_X86_KVM_CLK_ONLINE, |
aaddd7d1 | 96 | CPUHP_AP_ACTIVE, |
cff7d378 TG |
97 | CPUHP_ONLINE, |
98 | }; | |
99 | ||
5b7aa87e TG |
100 | int __cpuhp_setup_state(enum cpuhp_state state, const char *name, bool invoke, |
101 | int (*startup)(unsigned int cpu), | |
102 | int (*teardown)(unsigned int cpu)); | |
103 | ||
104 | /** | |
105 | * cpuhp_setup_state - Setup hotplug state callbacks with calling the callbacks | |
106 | * @state: The state for which the calls are installed | |
107 | * @name: Name of the callback (will be used in debug output) | |
108 | * @startup: startup callback function | |
109 | * @teardown: teardown callback function | |
110 | * | |
111 | * Installs the callback functions and invokes the startup callback on | |
112 | * the present cpus which have already reached the @state. | |
113 | */ | |
114 | static inline int cpuhp_setup_state(enum cpuhp_state state, | |
115 | const char *name, | |
116 | int (*startup)(unsigned int cpu), | |
117 | int (*teardown)(unsigned int cpu)) | |
118 | { | |
119 | return __cpuhp_setup_state(state, name, true, startup, teardown); | |
120 | } | |
121 | ||
122 | /** | |
123 | * cpuhp_setup_state_nocalls - Setup hotplug state callbacks without calling the | |
124 | * callbacks | |
125 | * @state: The state for which the calls are installed | |
126 | * @name: Name of the callback. | |
127 | * @startup: startup callback function | |
128 | * @teardown: teardown callback function | |
129 | * | |
130 | * Same as @cpuhp_setup_state except that no calls are executed are invoked | |
131 | * during installation of this callback. NOP if SMP=n or HOTPLUG_CPU=n. | |
132 | */ | |
133 | static inline int cpuhp_setup_state_nocalls(enum cpuhp_state state, | |
134 | const char *name, | |
135 | int (*startup)(unsigned int cpu), | |
136 | int (*teardown)(unsigned int cpu)) | |
137 | { | |
138 | return __cpuhp_setup_state(state, name, false, startup, teardown); | |
139 | } | |
140 | ||
141 | void __cpuhp_remove_state(enum cpuhp_state state, bool invoke); | |
142 | ||
143 | /** | |
144 | * cpuhp_remove_state - Remove hotplug state callbacks and invoke the teardown | |
145 | * @state: The state for which the calls are removed | |
146 | * | |
147 | * Removes the callback functions and invokes the teardown callback on | |
148 | * the present cpus which have already reached the @state. | |
149 | */ | |
150 | static inline void cpuhp_remove_state(enum cpuhp_state state) | |
151 | { | |
152 | __cpuhp_remove_state(state, true); | |
153 | } | |
154 | ||
155 | /** | |
156 | * cpuhp_remove_state_nocalls - Remove hotplug state callbacks without invoking | |
157 | * teardown | |
158 | * @state: The state for which the calls are removed | |
159 | */ | |
160 | static inline void cpuhp_remove_state_nocalls(enum cpuhp_state state) | |
161 | { | |
162 | __cpuhp_remove_state(state, false); | |
163 | } | |
164 | ||
8df3e07e TG |
165 | #ifdef CONFIG_SMP |
166 | void cpuhp_online_idle(enum cpuhp_state state); | |
167 | #else | |
168 | static inline void cpuhp_online_idle(enum cpuhp_state state) { } | |
169 | #endif | |
170 | ||
cff7d378 | 171 | #endif |