2016-02-26 11:43:28 -07:00
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#ifndef __CPUHOTPLUG_H
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#define __CPUHOTPLUG_H
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2016-09-14 04:00:26 -06:00
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#include <linux/types.h>
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2016-02-26 11:43:28 -07:00
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enum cpuhp_state {
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CPUHP_OFFLINE,
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CPUHP_CREATE_THREADS,
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2016-07-13 11:16:09 -06:00
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CPUHP_PERF_PREPARE,
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2016-07-13 11:16:10 -06:00
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CPUHP_PERF_X86_PREPARE,
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2016-07-13 11:16:13 -06:00
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CPUHP_PERF_X86_AMD_UNCORE_PREP,
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2016-07-13 11:16:19 -06:00
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CPUHP_PERF_BFIN,
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2016-07-13 11:16:20 -06:00
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CPUHP_PERF_POWER,
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2016-07-13 11:16:23 -06:00
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CPUHP_PERF_SUPERH,
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2016-07-13 11:16:30 -06:00
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CPUHP_X86_HPET_DEAD,
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2016-07-13 11:16:34 -06:00
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CPUHP_X86_APB_DEAD,
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2016-11-10 10:44:47 -07:00
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CPUHP_X86_MCE_DEAD,
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2016-08-12 11:49:43 -06:00
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CPUHP_VIRT_NET_DEAD,
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2016-08-18 06:57:19 -06:00
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CPUHP_SLUB_DEAD,
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2016-08-18 06:57:20 -06:00
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CPUHP_MM_WRITEBACK_DEAD,
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2016-11-29 07:52:21 -07:00
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CPUHP_MM_VMSTAT_DEAD,
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2016-08-18 06:57:21 -06:00
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CPUHP_SOFTIRQ_DEAD,
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2016-08-18 06:57:23 -06:00
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CPUHP_NET_MVNETA_DEAD,
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2016-08-18 06:57:25 -06:00
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CPUHP_CPUIDLE_DEAD,
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2016-09-06 11:04:37 -06:00
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CPUHP_ARM64_FPSIMD_DEAD,
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2016-09-06 11:04:39 -06:00
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CPUHP_ARM_OMAP_WAKE_DEAD,
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2016-09-06 11:04:43 -06:00
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CPUHP_IRQ_POLL_DEAD,
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2016-09-06 11:04:44 -06:00
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CPUHP_BLOCK_SOFTIRQ_DEAD,
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2016-09-06 11:04:47 -06:00
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CPUHP_ACPI_CPUDRV_DEAD,
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2016-09-06 11:04:53 -06:00
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CPUHP_S390_PFAULT_DEAD,
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2016-09-06 11:04:55 -06:00
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CPUHP_BLK_MQ_DEAD,
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2016-11-03 08:49:57 -06:00
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CPUHP_FS_BUFF_DEAD,
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2016-11-03 08:49:58 -06:00
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CPUHP_PRINTK_DEAD,
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2016-11-03 08:49:59 -06:00
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CPUHP_MM_MEMCQ_DEAD,
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2016-11-03 08:50:00 -06:00
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CPUHP_PERCPU_CNT_DEAD,
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2016-11-03 08:50:01 -06:00
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CPUHP_RADIX_DEAD,
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2016-11-03 08:50:02 -06:00
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CPUHP_PAGE_ALLOC_DEAD,
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2016-11-03 08:50:04 -06:00
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CPUHP_NET_DEV_DEAD,
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2016-11-17 11:35:28 -07:00
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CPUHP_PCI_XGENE_DEAD,
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2016-11-26 16:13:41 -07:00
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CPUHP_IOMMU_INTEL_DEAD,
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2016-12-21 12:19:52 -07:00
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CPUHP_LUSTRE_CFS_DEAD,
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2016-07-13 11:16:29 -06:00
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CPUHP_WORKQUEUE_PREP,
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2016-07-18 08:07:28 -06:00
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CPUHP_POWER_NUMA_PREPARE,
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2016-07-15 02:41:04 -06:00
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CPUHP_HRTIMERS_PREPARE,
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2016-07-13 11:16:59 -06:00
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CPUHP_PROFILE_PREPARE,
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2016-07-13 11:17:00 -06:00
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CPUHP_X2APIC_PREPARE,
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2016-07-13 11:17:01 -06:00
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CPUHP_SMPCFD_PREPARE,
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2016-08-18 06:57:17 -06:00
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CPUHP_RELAY_PREPARE,
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2016-08-23 06:53:19 -06:00
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CPUHP_SLAB_PREPARE,
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2016-08-18 06:57:24 -06:00
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CPUHP_MD_RAID5_PREPARE,
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2016-07-13 11:17:03 -06:00
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CPUHP_RCUTREE_PREP,
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2016-08-24 03:14:44 -06:00
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CPUHP_CPUIDLE_COUPLED_PREPARE,
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2016-08-18 06:57:30 -06:00
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CPUHP_POWERPC_PMAC_PREPARE,
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2016-08-18 06:57:31 -06:00
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CPUHP_POWERPC_MMU_CTX_PREPARE,
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2016-09-07 11:19:00 -06:00
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CPUHP_XEN_PREPARE,
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2016-09-07 11:19:01 -06:00
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CPUHP_XEN_EVTCHN_PREPARE,
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2016-09-06 11:04:38 -06:00
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CPUHP_ARM_SHMOBILE_SCU_PREPARE,
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2016-09-06 11:04:41 -06:00
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CPUHP_SH_SH3X_PREPARE,
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2016-11-03 08:50:05 -06:00
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CPUHP_NET_FLOW_PREPARE,
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2016-11-03 08:50:09 -06:00
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CPUHP_TOPOLOGY_PREPARE,
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2016-11-17 11:35:33 -07:00
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CPUHP_NET_IUCV_PREPARE,
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2016-11-17 11:35:35 -07:00
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CPUHP_ARM_BL_PREPARE,
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2016-11-26 16:13:34 -07:00
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CPUHP_TRACE_RB_PREPARE,
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2016-11-26 16:13:38 -07:00
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CPUHP_MM_ZS_PREPARE,
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2016-11-26 16:13:39 -07:00
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CPUHP_MM_ZSWP_MEM_PREPARE,
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2016-11-26 16:13:40 -07:00
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CPUHP_MM_ZSWP_POOL_PREPARE,
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2016-11-26 16:13:45 -07:00
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CPUHP_KVM_PPC_BOOK3S_PREPARE,
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2016-11-26 16:13:46 -07:00
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CPUHP_ZCOMP_PREPARE,
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2016-07-27 03:08:18 -06:00
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CPUHP_TIMERS_DEAD,
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2016-09-06 11:04:51 -06:00
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CPUHP_MIPS_SOC_PREPARE,
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2017-01-10 06:01:05 -07:00
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CPUHP_BP_PREPARE_DYN,
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CPUHP_BP_PREPARE_DYN_END = CPUHP_BP_PREPARE_DYN + 20,
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2016-02-26 11:43:28 -07:00
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CPUHP_BRINGUP_CPU,
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2016-02-26 11:43:43 -07:00
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CPUHP_AP_IDLE_DEAD,
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2016-02-26 11:43:29 -07:00
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CPUHP_AP_OFFLINE,
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2016-03-10 04:54:09 -07:00
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CPUHP_AP_SCHED_STARTING,
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2016-07-13 11:17:03 -06:00
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CPUHP_AP_RCUTREE_DYING,
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2016-07-13 11:16:04 -06:00
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CPUHP_AP_IRQ_GIC_STARTING,
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2016-07-13 11:16:06 -06:00
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CPUHP_AP_IRQ_HIP04_STARTING,
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2016-07-13 11:16:07 -06:00
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CPUHP_AP_IRQ_ARMADA_XP_STARTING,
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2016-07-13 11:16:07 -06:00
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CPUHP_AP_IRQ_BCM2836_STARTING,
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2016-07-13 11:16:08 -06:00
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CPUHP_AP_ARM_MVEBU_COHERENCY,
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2016-07-13 11:16:13 -06:00
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CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING,
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2016-07-13 11:16:10 -06:00
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CPUHP_AP_PERF_X86_STARTING,
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2016-07-13 11:16:14 -06:00
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CPUHP_AP_PERF_X86_AMD_IBS_STARTING,
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2016-07-13 11:16:16 -06:00
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CPUHP_AP_PERF_X86_CQM_STARTING,
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2016-07-13 11:16:18 -06:00
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CPUHP_AP_PERF_X86_CSTATE_STARTING,
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2016-07-13 11:16:26 -06:00
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CPUHP_AP_PERF_XTENSA_STARTING,
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2016-07-13 11:16:49 -06:00
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CPUHP_AP_PERF_METAG_STARTING,
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2016-07-13 11:16:53 -06:00
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CPUHP_AP_MIPS_OP_LOONGSON3_STARTING,
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2016-07-13 11:16:35 -06:00
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CPUHP_AP_ARM_VFP_STARTING,
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2016-08-16 04:29:17 -06:00
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CPUHP_AP_ARM64_DEBUG_MONITORS_STARTING,
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2016-08-15 11:55:11 -06:00
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CPUHP_AP_PERF_ARM_HW_BREAKPOINT_STARTING,
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2017-04-11 02:39:55 -06:00
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CPUHP_AP_PERF_ARM_ACPI_STARTING,
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2016-07-13 11:16:36 -06:00
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CPUHP_AP_PERF_ARM_STARTING,
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2016-07-13 11:16:50 -06:00
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CPUHP_AP_ARM_L2X0_STARTING,
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2016-07-13 11:16:39 -06:00
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CPUHP_AP_ARM_ARCH_TIMER_STARTING,
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2016-07-13 11:17:04 -06:00
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CPUHP_AP_ARM_GLOBAL_TIMER_STARTING,
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2016-10-13 15:51:06 -06:00
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CPUHP_AP_JCORE_TIMER_STARTING,
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2016-07-13 11:17:05 -06:00
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CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING,
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2016-07-13 11:16:51 -06:00
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CPUHP_AP_ARM_TWD_STARTING,
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2016-07-13 11:16:42 -06:00
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CPUHP_AP_METAG_TIMER_STARTING,
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2016-07-13 11:16:43 -06:00
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CPUHP_AP_QCOM_TIMER_STARTING,
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2016-07-13 11:17:06 -06:00
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CPUHP_AP_ARMADA_TIMER_STARTING,
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2016-07-13 11:17:07 -06:00
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CPUHP_AP_MARCO_TIMER_STARTING,
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2016-07-13 11:16:44 -06:00
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CPUHP_AP_MIPS_GIC_TIMER_STARTING,
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2016-07-13 11:17:07 -06:00
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CPUHP_AP_ARC_TIMER_STARTING,
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2016-07-13 11:16:37 -06:00
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CPUHP_AP_KVM_STARTING,
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2016-07-13 11:17:02 -06:00
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CPUHP_AP_KVM_ARM_VGIC_INIT_STARTING,
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2016-07-13 11:16:46 -06:00
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CPUHP_AP_KVM_ARM_VGIC_STARTING,
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2016-07-13 11:16:47 -06:00
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CPUHP_AP_KVM_ARM_TIMER_STARTING,
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2016-12-15 04:01:05 -07:00
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/* Must be the last timer callback */
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CPUHP_AP_DUMMY_TIMER_STARTING,
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2016-07-13 11:16:52 -06:00
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CPUHP_AP_ARM_XEN_STARTING,
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2016-07-13 11:16:54 -06:00
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CPUHP_AP_ARM_CORESIGHT_STARTING,
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2016-07-13 11:16:56 -06:00
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CPUHP_AP_ARM64_ISNDEP_STARTING,
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2016-07-13 11:17:01 -06:00
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CPUHP_AP_SMPCFD_DYING,
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2016-07-13 11:16:57 -06:00
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CPUHP_AP_X86_TBOOT_DYING,
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2016-02-26 11:43:29 -07:00
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CPUHP_AP_ONLINE,
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CPUHP_TEARDOWN_CPU,
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2016-02-26 11:43:40 -07:00
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CPUHP_AP_ONLINE_IDLE,
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2016-02-26 11:43:39 -07:00
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CPUHP_AP_SMPBOOT_THREADS,
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2016-07-13 11:16:03 -06:00
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CPUHP_AP_X86_VDSO_VMA_ONLINE,
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2017-06-19 17:37:51 -06:00
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CPUHP_AP_IRQ_AFFINITY_ONLINE,
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2016-07-13 11:16:09 -06:00
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CPUHP_AP_PERF_ONLINE,
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2016-07-13 11:16:10 -06:00
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CPUHP_AP_PERF_X86_ONLINE,
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2016-07-13 11:16:12 -06:00
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CPUHP_AP_PERF_X86_UNCORE_ONLINE,
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2016-07-13 11:16:13 -06:00
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CPUHP_AP_PERF_X86_AMD_UNCORE_ONLINE,
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2016-07-13 11:16:28 -06:00
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CPUHP_AP_PERF_X86_AMD_POWER_ONLINE,
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2016-07-13 11:16:15 -06:00
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CPUHP_AP_PERF_X86_RAPL_ONLINE,
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2016-07-13 11:16:16 -06:00
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CPUHP_AP_PERF_X86_CQM_ONLINE,
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2016-07-13 11:16:18 -06:00
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CPUHP_AP_PERF_X86_CSTATE_ONLINE,
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2016-07-13 11:16:21 -06:00
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CPUHP_AP_PERF_S390_CF_ONLINE,
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2016-07-13 11:16:22 -06:00
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CPUHP_AP_PERF_S390_SF_ONLINE,
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2016-07-13 11:16:24 -06:00
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CPUHP_AP_PERF_ARM_CCI_ONLINE,
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2016-07-13 11:16:25 -06:00
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CPUHP_AP_PERF_ARM_CCN_ONLINE,
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2016-09-02 03:35:18 -06:00
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CPUHP_AP_PERF_ARM_L2X0_ONLINE,
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2017-02-07 11:14:04 -07:00
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CPUHP_AP_PERF_ARM_QCOM_L2_ONLINE,
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2017-03-31 12:13:43 -06:00
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CPUHP_AP_PERF_ARM_QCOM_L3_ONLINE,
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2017-07-18 15:36:34 -06:00
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CPUHP_AP_PERF_POWERPC_NEST_IMC_ONLINE,
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2017-07-18 15:36:35 -06:00
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CPUHP_AP_PERF_POWERPC_CORE_IMC_ONLINE,
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2017-07-18 15:36:36 -06:00
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CPUHP_AP_PERF_POWERPC_THREAD_IMC_ONLINE,
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2016-07-13 11:16:29 -06:00
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CPUHP_AP_WORKQUEUE_ONLINE,
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2016-07-13 11:17:03 -06:00
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CPUHP_AP_RCUTREE_ONLINE,
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2016-02-26 11:43:39 -07:00
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CPUHP_AP_ONLINE_DYN,
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CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30,
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2016-07-13 11:16:30 -06:00
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CPUHP_AP_X86_HPET_ONLINE,
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2016-07-13 11:16:33 -06:00
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CPUHP_AP_X86_KVM_CLK_ONLINE,
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2016-03-10 04:54:19 -07:00
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CPUHP_AP_ACTIVE,
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2016-02-26 11:43:28 -07:00
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CPUHP_ONLINE,
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};
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2016-02-26 11:43:33 -07:00
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int __cpuhp_setup_state(enum cpuhp_state state, const char *name, bool invoke,
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int (*startup)(unsigned int cpu),
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2016-08-12 11:49:39 -06:00
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int (*teardown)(unsigned int cpu), bool multi_instance);
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2016-02-26 11:43:33 -07:00
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2017-05-24 02:15:14 -06:00
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int __cpuhp_setup_state_cpuslocked(enum cpuhp_state state, const char *name,
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bool invoke,
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int (*startup)(unsigned int cpu),
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int (*teardown)(unsigned int cpu),
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bool multi_instance);
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2016-02-26 11:43:33 -07:00
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/**
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* cpuhp_setup_state - Setup hotplug state callbacks with calling the callbacks
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* @state: The state for which the calls are installed
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* @name: Name of the callback (will be used in debug output)
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* @startup: startup callback function
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* @teardown: teardown callback function
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*
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* Installs the callback functions and invokes the startup callback on
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* the present cpus which have already reached the @state.
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*/
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static inline int cpuhp_setup_state(enum cpuhp_state state,
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const char *name,
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int (*startup)(unsigned int cpu),
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int (*teardown)(unsigned int cpu))
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{
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2016-08-12 11:49:39 -06:00
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return __cpuhp_setup_state(state, name, true, startup, teardown, false);
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2016-02-26 11:43:33 -07:00
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}
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2017-05-24 02:15:14 -06:00
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static inline int cpuhp_setup_state_cpuslocked(enum cpuhp_state state,
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const char *name,
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int (*startup)(unsigned int cpu),
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int (*teardown)(unsigned int cpu))
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{
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return __cpuhp_setup_state_cpuslocked(state, name, true, startup,
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teardown, false);
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}
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2016-02-26 11:43:33 -07:00
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/**
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* cpuhp_setup_state_nocalls - Setup hotplug state callbacks without calling the
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* callbacks
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* @state: The state for which the calls are installed
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* @name: Name of the callback.
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* @startup: startup callback function
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* @teardown: teardown callback function
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*
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* Same as @cpuhp_setup_state except that no calls are executed are invoked
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* during installation of this callback. NOP if SMP=n or HOTPLUG_CPU=n.
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*/
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static inline int cpuhp_setup_state_nocalls(enum cpuhp_state state,
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const char *name,
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int (*startup)(unsigned int cpu),
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int (*teardown)(unsigned int cpu))
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{
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2016-08-12 11:49:39 -06:00
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return __cpuhp_setup_state(state, name, false, startup, teardown,
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false);
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}
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2017-05-24 02:15:14 -06:00
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static inline int cpuhp_setup_state_nocalls_cpuslocked(enum cpuhp_state state,
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const char *name,
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int (*startup)(unsigned int cpu),
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int (*teardown)(unsigned int cpu))
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{
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return __cpuhp_setup_state_cpuslocked(state, name, false, startup,
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teardown, false);
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}
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2016-08-12 11:49:39 -06:00
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/**
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* cpuhp_setup_state_multi - Add callbacks for multi state
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* @state: The state for which the calls are installed
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* @name: Name of the callback.
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* @startup: startup callback function
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* @teardown: teardown callback function
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*
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* Sets the internal multi_instance flag and prepares a state to work as a multi
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* instance callback. No callbacks are invoked at this point. The callbacks are
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* invoked once an instance for this state are registered via
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* @cpuhp_state_add_instance or @cpuhp_state_add_instance_nocalls.
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*/
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static inline int cpuhp_setup_state_multi(enum cpuhp_state state,
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const char *name,
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int (*startup)(unsigned int cpu,
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struct hlist_node *node),
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int (*teardown)(unsigned int cpu,
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struct hlist_node *node))
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{
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return __cpuhp_setup_state(state, name, false,
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(void *) startup,
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(void *) teardown, true);
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}
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int __cpuhp_state_add_instance(enum cpuhp_state state, struct hlist_node *node,
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bool invoke);
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2017-05-24 02:15:15 -06:00
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int __cpuhp_state_add_instance_cpuslocked(enum cpuhp_state state,
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struct hlist_node *node, bool invoke);
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2016-08-12 11:49:39 -06:00
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/**
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* cpuhp_state_add_instance - Add an instance for a state and invoke startup
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* callback.
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* @state: The state for which the instance is installed
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* @node: The node for this individual state.
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*
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* Installs the instance for the @state and invokes the startup callback on
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* the present cpus which have already reached the @state. The @state must have
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* been earlier marked as multi-instance by @cpuhp_setup_state_multi.
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*/
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static inline int cpuhp_state_add_instance(enum cpuhp_state state,
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struct hlist_node *node)
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{
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return __cpuhp_state_add_instance(state, node, true);
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}
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/**
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* cpuhp_state_add_instance_nocalls - Add an instance for a state without
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* invoking the startup callback.
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* @state: The state for which the instance is installed
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* @node: The node for this individual state.
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*
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* Installs the instance for the @state The @state must have been earlier
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* marked as multi-instance by @cpuhp_setup_state_multi.
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*/
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static inline int cpuhp_state_add_instance_nocalls(enum cpuhp_state state,
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struct hlist_node *node)
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{
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return __cpuhp_state_add_instance(state, node, false);
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2016-02-26 11:43:33 -07:00
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}
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2017-05-24 02:15:15 -06:00
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static inline int
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cpuhp_state_add_instance_nocalls_cpuslocked(enum cpuhp_state state,
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struct hlist_node *node)
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{
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return __cpuhp_state_add_instance_cpuslocked(state, node, false);
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}
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2016-02-26 11:43:33 -07:00
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void __cpuhp_remove_state(enum cpuhp_state state, bool invoke);
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2017-05-24 02:15:14 -06:00
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void __cpuhp_remove_state_cpuslocked(enum cpuhp_state state, bool invoke);
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2016-02-26 11:43:33 -07:00
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/**
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* cpuhp_remove_state - Remove hotplug state callbacks and invoke the teardown
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* @state: The state for which the calls are removed
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*
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* Removes the callback functions and invokes the teardown callback on
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* the present cpus which have already reached the @state.
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*/
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static inline void cpuhp_remove_state(enum cpuhp_state state)
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{
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__cpuhp_remove_state(state, true);
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}
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/**
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* cpuhp_remove_state_nocalls - Remove hotplug state callbacks without invoking
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* teardown
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* @state: The state for which the calls are removed
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*/
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static inline void cpuhp_remove_state_nocalls(enum cpuhp_state state)
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{
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__cpuhp_remove_state(state, false);
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}
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2017-05-24 02:15:14 -06:00
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static inline void cpuhp_remove_state_nocalls_cpuslocked(enum cpuhp_state state)
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{
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__cpuhp_remove_state_cpuslocked(state, false);
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}
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|
2016-08-12 11:49:39 -06:00
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/**
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* cpuhp_remove_multi_state - Remove hotplug multi state callback
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* @state: The state for which the calls are removed
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*
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* Removes the callback functions from a multi state. This is the reverse of
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* cpuhp_setup_state_multi(). All instances should have been removed before
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* invoking this function.
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*/
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static inline void cpuhp_remove_multi_state(enum cpuhp_state state)
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{
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__cpuhp_remove_state(state, false);
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}
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int __cpuhp_state_remove_instance(enum cpuhp_state state,
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struct hlist_node *node, bool invoke);
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/**
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* cpuhp_state_remove_instance - Remove hotplug instance from state and invoke
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* the teardown callback
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* @state: The state from which the instance is removed
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|
* @node: The node for this individual state.
|
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|
*
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|
* Removes the instance and invokes the teardown callback on the present cpus
|
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* which have already reached the @state.
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*/
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|
static inline int cpuhp_state_remove_instance(enum cpuhp_state state,
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|
struct hlist_node *node)
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|
|
{
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|
return __cpuhp_state_remove_instance(state, node, true);
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|
|
}
|
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|
|
|
/**
|
|
|
|
* cpuhp_state_remove_instance_nocalls - Remove hotplug instance from state
|
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|
|
* without invoking the reatdown callback
|
|
|
|
* @state: The state from which the instance is removed
|
|
|
|
* @node: The node for this individual state.
|
|
|
|
*
|
|
|
|
* Removes the instance without invoking the teardown callback.
|
|
|
|
*/
|
|
|
|
static inline int cpuhp_state_remove_instance_nocalls(enum cpuhp_state state,
|
|
|
|
struct hlist_node *node)
|
|
|
|
{
|
|
|
|
return __cpuhp_state_remove_instance(state, node, false);
|
|
|
|
}
|
|
|
|
|
2016-02-26 11:43:41 -07:00
|
|
|
#ifdef CONFIG_SMP
|
|
|
|
void cpuhp_online_idle(enum cpuhp_state state);
|
|
|
|
#else
|
|
|
|
static inline void cpuhp_online_idle(enum cpuhp_state state) { }
|
|
|
|
#endif
|
|
|
|
|
2016-02-26 11:43:28 -07:00
|
|
|
#endif
|