Systemd/src/shared/sleep-config.h

60 lines
1.9 KiB
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <linux/fiemap.h>
#include "time-util.h"
typedef struct SleepConfig {
bool allow_suspend; /* AllowSuspend */
bool allow_hibernate; /* AllowHibernation */
bool allow_s2h; /* AllowSuspendThenHibernate */
bool allow_hybrid_sleep; /* AllowHybridSleep */
char **suspend_modes; /* SuspendMode */
char **suspend_states; /* SuspendState */
char **hibernate_modes; /* HibernateMode */
char **hibernate_states; /* HibernateState */
char **hybrid_modes; /* HybridSleepMode */
char **hybrid_states; /* HybridSleepState */
usec_t hibernate_delay_sec; /* HibernateDelaySec */
} SleepConfig;
SleepConfig* free_sleep_config(SleepConfig *sc);
DEFINE_TRIVIAL_CLEANUP_FUNC(SleepConfig*, free_sleep_config);
/* entry in /proc/swaps */
typedef struct SwapEntry {
char *device;
char *type;
uint64_t size;
uint64_t used;
int priority;
} SwapEntry;
SwapEntry* swap_entry_free(SwapEntry *se);
DEFINE_TRIVIAL_CLEANUP_FUNC(SwapEntry*, swap_entry_free);
/*
* represents values for /sys/power/resume & /sys/power/resume_offset
* and the matching /proc/swap entry.
*/
typedef struct HibernateLocation {
dev_t devno;
uint64_t offset;
SwapEntry *swap;
} HibernateLocation;
HibernateLocation* hibernate_location_free(HibernateLocation *hl);
DEFINE_TRIVIAL_CLEANUP_FUNC(HibernateLocation*, hibernate_location_free);
int sleep_settings(const char *verb, const SleepConfig *sleep_config, bool *ret_allow, char ***ret_modes, char ***ret_states);
int read_fiemap(int fd, struct fiemap **ret);
int parse_sleep_config(SleepConfig **sleep_config);
int find_hibernate_location(HibernateLocation **ret_hibernate_location);
int can_sleep(const char *verb);
int can_sleep_disk(char **types);
int can_sleep_state(char **types);