src/test/test-sleep.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <fcntl.h>
   4 #include <inttypes.h>
   5 #include <linux/fiemap.h>
   6 #include <stdio.h>
   7 #include <sys/types.h>
   8 #include <unistd.h>
   9
  10 #include "fd-util.h"
  11 #include "log.h"
  12 #include "memory-util.h"
  13 #include "sleep-config.h"
  14 #include "strv.h"
  15 #include "tests.h"
  16 #include "util.h"
  17
  18 static void test_parse_sleep_config(void) {
  19         _cleanup_(free_sleep_configp) SleepConfig *sleep_config = NULL;
  20         log_info("/* %s */", __func__);
  21
  22         assert(parse_sleep_config(&sleep_config) == 0);
  23
  24         _cleanup_free_ char *sum, *sus, *him, *his, *hym, *hys;
  25
  26         sum = strv_join(sleep_config->suspend_modes, ", ");
  27         sus = strv_join(sleep_config->suspend_states, ", ");
  28         him = strv_join(sleep_config->hibernate_modes, ", ");
  29         his = strv_join(sleep_config->hibernate_states, ", ");
  30         hym = strv_join(sleep_config->hybrid_modes, ", ");
  31         hys = strv_join(sleep_config->hybrid_states, ", ");
  32         log_debug("  allow_suspend: %u", sleep_config->allow_suspend);
  33         log_debug("  allow_hibernate: %u", sleep_config->allow_hibernate);
  34         log_debug("  allow_s2h: %u", sleep_config->allow_s2h);
  35         log_debug("  allow_hybrid_sleep: %u", sleep_config->allow_hybrid_sleep);
  36         log_debug("  suspend modes: %s", sum);
  37         log_debug("         states: %s", sus);
  38         log_debug("  hibernate modes: %s", him);
  39         log_debug("           states: %s", his);
  40         log_debug("  hybrid modes: %s", hym);
  41         log_debug("        states: %s", hys);
  42 }
  43
  44 static int test_fiemap(const char *path) {
  45         _cleanup_free_ struct fiemap *fiemap = NULL;
  46         _cleanup_close_ int fd = -1;
  47         int r;
  48
  49         log_info("/* %s */", __func__);
  50
  51         fd = open(path, O_RDONLY | O_CLOEXEC | O_NONBLOCK);
  52         if (fd < 0)
  53                 return log_error_errno(errno, "failed to open %s: %m", path);
  54         r = read_fiemap(fd, &fiemap);
  55         if (r == -EOPNOTSUPP)
  56                 exit(log_tests_skipped("Not supported"));
  57         if (r < 0)
  58                 return log_error_errno(r, "Unable to read extent map for '%s': %m", path);
  59         log_info("extent map information for %s:", path);
  60         log_info("\t start: %" PRIu64, (uint64_t) fiemap->fm_start);
  61         log_info("\t length: %" PRIu64, (uint64_t) fiemap->fm_length);
  62         log_info("\t flags: %" PRIu32, fiemap->fm_flags);
  63         log_info("\t number of mapped extents: %" PRIu32, fiemap->fm_mapped_extents);
  64         log_info("\t extent count: %" PRIu32, fiemap->fm_extent_count);
  65         if (fiemap->fm_extent_count > 0)
  66                 log_info("\t first extent location: %" PRIu64,
  67                          (uint64_t) (fiemap->fm_extents[0].fe_physical / page_size()));
  68
  69         return 0;
  70 }
  71
  72 static void test_sleep(void) {
  73         _cleanup_strv_free_ char
  74                 **standby = strv_new("standby"),
  75                 **mem = strv_new("mem"),
  76                 **disk = strv_new("disk"),
  77                 **suspend = strv_new("suspend"),
  78                 **reboot = strv_new("reboot"),
  79                 **platform = strv_new("platform"),
  80                 **shutdown = strv_new("shutdown"),
  81                 **freeze = strv_new("freeze");
  82         int r;
  83
  84         log_info("/* %s */", __func__);
  85
  86         log_info("/= configuration =/");
  87         log_info("Standby configured: %s", yes_no(can_sleep_state(standby) > 0));
  88         log_info("Suspend configured: %s", yes_no(can_sleep_state(mem) > 0));
  89         log_info("Hibernate configured: %s", yes_no(can_sleep_state(disk) > 0));
  90         log_info("Hibernate+Suspend (Hybrid-Sleep) configured: %s", yes_no(can_sleep_disk(suspend) > 0));
  91         log_info("Hibernate+Reboot configured: %s", yes_no(can_sleep_disk(reboot) > 0));
  92         log_info("Hibernate+Platform configured: %s", yes_no(can_sleep_disk(platform) > 0));
  93         log_info("Hibernate+Shutdown configured: %s", yes_no(can_sleep_disk(shutdown) > 0));
  94         log_info("Freeze configured: %s", yes_no(can_sleep_state(freeze) > 0));
  95
  96         log_info("/= running system =/");
  97         r = can_sleep("suspend");
  98         log_info("Suspend configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r));
  99         r = can_sleep("hibernate");
 100         log_info("Hibernation configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r));
 101         r = can_sleep("hybrid-sleep");
 102         log_info("Hybrid-sleep configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r));
 103         r = can_sleep("suspend-then-hibernate");
 104         log_info("Suspend-then-Hibernate configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r));
 105 }
 106
 107 int main(int argc, char* argv[]) {
 108         int i, r = 0, k;
 109
 110         test_setup_logging(LOG_DEBUG);
 111
 112         if (getuid() != 0)
 113                 log_warning("This program is unlikely to work for unprivileged users");
 114
 115         test_parse_sleep_config();
 116         test_sleep();
 117
 118         if (argc <= 1)
 119                 assert_se(test_fiemap(argv[0]) == 0);
 120         else
 121                 for (i = 1; i < argc; i++) {
 122                         k = test_fiemap(argv[i]);
 123                         if (r == 0)
 124                                 r = k;
 125                 }
 126
 127         return r;
 128 }