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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263/* SPDX-License-Identifier: GPL-2.0-only *//* * * Copyright (C) 2015 ARM Limited */
#ifndef __LINUX_PSCI_H#define __LINUX_PSCI_H
#include <linux/arm-smccc.h>#include <linux/init.h>#include <linux/types.h>
#define PSCI_POWER_STATE_TYPE_STANDBY 0#define PSCI_POWER_STATE_TYPE_POWER_DOWN 1
bool psci_tos_resident_on(int cpu);
int psci_cpu_suspend_enter(u32 state);bool psci_power_state_is_valid(u32 state);int psci_set_osi_mode(bool enable);bool psci_has_osi_support(void);
struct psci_operations { u32 (*get_version)(void); int (*cpu_suspend)(u32 state, unsigned long entry_point); int (*cpu_off)(u32 state); int (*cpu_on)(unsigned long cpuid, unsigned long entry_point); int (*migrate)(unsigned long cpuid); int (*affinity_info)(unsigned long target_affinity, unsigned long lowest_affinity_level); int (*migrate_info_type)(void);};
extern struct psci_operations psci_ops;
struct psci_0_1_function_ids { u32 cpu_suspend; u32 cpu_on; u32 cpu_off; u32 migrate;};
struct psci_0_1_function_ids get_psci_0_1_function_ids(void);
#if defined(CONFIG_ARM_PSCI_FW)int __init psci_dt_init(void);#elsestatic inline int psci_dt_init(void) { return 0; }#endif
#if defined(CONFIG_ARM_PSCI_FW) && defined(CONFIG_ACPI)int __init psci_acpi_init(void);bool __init acpi_psci_present(void);bool acpi_psci_use_hvc(void);#elsestatic inline int psci_acpi_init(void) { return 0; }static inline bool acpi_psci_present(void) { return false; }static inline bool acpi_psci_use_hvc(void) {return false; }#endif
#endif /* __LINUX_PSCI_H */