52133271a7
When calculation of swap file offset is unsupported, rely on the /sys/power/resume & /sys/power/resume_offset values if configured rather than requiring a matching swap entry to be identified. Refactor to use dev_t for comparison of resume= device instead of string.
60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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#include <linux/fiemap.h>
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#include "time-util.h"
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typedef struct SleepConfig {
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bool allow_suspend; /* AllowSuspend */
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bool allow_hibernate; /* AllowHibernation */
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bool allow_s2h; /* AllowSuspendThenHibernate */
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bool allow_hybrid_sleep; /* AllowHybridSleep */
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char **suspend_modes; /* SuspendMode */
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char **suspend_states; /* SuspendState */
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char **hibernate_modes; /* HibernateMode */
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char **hibernate_states; /* HibernateState */
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char **hybrid_modes; /* HybridSleepMode */
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char **hybrid_states; /* HybridSleepState */
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usec_t hibernate_delay_sec; /* HibernateDelaySec */
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} SleepConfig;
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void free_sleep_config(SleepConfig *sc);
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DEFINE_TRIVIAL_CLEANUP_FUNC(SleepConfig*, free_sleep_config);
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/* entry in /proc/swaps */
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typedef struct SwapEntry {
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char *device;
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char *type;
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uint64_t size;
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uint64_t used;
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int priority;
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} SwapEntry;
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SwapEntry* swap_entry_free(SwapEntry *se);
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DEFINE_TRIVIAL_CLEANUP_FUNC(SwapEntry*, swap_entry_free);
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/*
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* represents values for /sys/power/resume & /sys/power/resume_offset
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* and the matching /proc/swap entry.
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*/
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typedef struct HibernateLocation {
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dev_t devno;
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uint64_t offset;
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SwapEntry *swap;
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} HibernateLocation;
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HibernateLocation* hibernate_location_free(HibernateLocation *hl);
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DEFINE_TRIVIAL_CLEANUP_FUNC(HibernateLocation*, hibernate_location_free);
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int sleep_settings(const char *verb, const SleepConfig *sleep_config, bool *ret_allow, char ***ret_modes, char ***ret_states);
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int read_fiemap(int fd, struct fiemap **ret);
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int parse_sleep_config(SleepConfig **sleep_config);
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int find_hibernate_location(HibernateLocation **ret_hibernate_location);
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int can_sleep(const char *verb);
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int can_sleep_disk(char **types);
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int can_sleep_state(char **types);
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