1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <linux/fiemap.h>
#include "hashmap.h"
#include "time-util.h"
#define DEFAULT_SUSPEND_ESTIMATION_USEC (1 * USEC_PER_HOUR)
typedef enum SleepOperation {
SLEEP_SUSPEND,
SLEEP_HIBERNATE,
SLEEP_HYBRID_SLEEP,
SLEEP_SUSPEND_THEN_HIBERNATE,
_SLEEP_OPERATION_MAX,
_SLEEP_OPERATION_INVALID = -EINVAL,
} SleepOperation;
typedef struct SleepConfig {
bool allow[_SLEEP_OPERATION_MAX];
char **modes[_SLEEP_OPERATION_MAX];
char **states[_SLEEP_OPERATION_MAX];
usec_t hibernate_delay_usec;
usec_t suspend_estimation_usec;
} 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 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(SleepOperation operation);
int can_sleep_disk(char **types);
int can_sleep_state(char **types);
int battery_is_discharging_and_low(void);
int get_total_suspend_interval(Hashmap *last_capacity, usec_t *ret);
int fetch_batteries_capacity_by_name(Hashmap **ret_current_capacity);
int estimate_battery_discharge_rate_per_hour(
Hashmap *last_capacity,
Hashmap *current_capacity,
usec_t before_timestamp,
usec_t after_timestamp);
int check_wakeup_type(void);
int battery_trip_point_alarm_exists(void);
const char* sleep_operation_to_string(SleepOperation s) _const_;
SleepOperation sleep_operation_from_string(const char *s) _pure_;
|