1 files changed, 59 insertions, 0 deletions
diff --git a/src/shared/sleep-config.h b/src/shared/sleep-config.h
new file mode 100644
index 0000000..4b30e6d
--- /dev/null
+++ b/src/shared/sleep-config.h
@@ -0,0 +1,59 @@
+/* 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);