include/linux/psci.h

Source file repositories/reference/linux-study-clean/include/linux/psci.h

File Facts

System
Linux kernel
Corpus path
include/linux/psci.h
Extension
.h
Size
1559 bytes
Lines
63
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

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);
#else
static 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);
#else
static 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 */

Annotation

Implementation Notes