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: /lib/modules/5.11.0-1022-aws/build/arch/s390/include/asm/ [ drwxr-xr-x ]
name : smp.h /* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 1999, 2012 * Author(s): Denis Joseph Barrow, * Martin Schwidefsky <schwidefsky@de.ibm.com>, * Heiko Carstens <heiko.carstens@de.ibm.com>, */ #ifndef __ASM_SMP_H #define __ASM_SMP_H #include <asm/sigp.h> #include <asm/lowcore.h> #include <asm/processor.h> #define raw_smp_processor_id() (S390_lowcore.cpu_nr) extern struct mutex smp_cpu_state_mutex; extern unsigned int smp_cpu_mt_shift; extern unsigned int smp_cpu_mtid; extern __vector128 __initdata boot_cpu_vector_save_area[__NUM_VXRS]; extern int __cpu_up(unsigned int cpu, struct task_struct *tidle); extern void arch_send_call_function_single_ipi(int cpu); extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); extern void smp_call_online_cpu(void (*func)(void *), void *); extern void smp_call_ipl_cpu(void (*func)(void *), void *); extern void smp_emergency_stop(void); extern int smp_find_processor_id(u16 address); extern int smp_store_status(int cpu); extern void smp_save_dump_cpus(void); extern void smp_yield_cpu(int cpu); extern void smp_cpu_set_polarization(int cpu, int val); extern int smp_cpu_get_polarization(int cpu); extern int smp_cpu_get_cpu_address(int cpu); extern void smp_fill_possible_mask(void); extern void smp_detect_cpus(void); static inline void smp_stop_cpu(void) { u16 pcpu = stap(); for (;;) { __pcpu_sigp(pcpu, SIGP_STOP, 0, NULL); cpu_relax(); } } /* Return thread 0 CPU number as base CPU */ static inline int smp_get_base_cpu(int cpu) { return cpu - (cpu % (smp_cpu_mtid + 1)); } static inline void smp_cpus_done(unsigned int max_cpus) { } extern int smp_rescan_cpus(void); extern void __noreturn cpu_die(void); extern void __cpu_die(unsigned int cpu); extern int __cpu_disable(void); extern void schedule_mcck_handler(void); #endif /* __ASM_SMP_H */