test/dm/test-main.c

   1 /*
   2  * Copyright (c) 2013 Google, Inc
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <command.h>
   9 #include <dm.h>
  10 #include <errno.h>
  11 #include <malloc.h>
  12 #include <dm/test.h>
  13 #include <dm/root.h>
  14 #include <dm/uclass-internal.h>
  15 #include <test/ut.h>
  16
  17 DECLARE_GLOBAL_DATA_PTR;
  18
  19 struct unit_test_state global_dm_test_state;
  20 static struct dm_test_state _global_priv_dm_test_state;
  21
  22 /* Get ready for testing */
  23 static int dm_test_init(struct unit_test_state *uts)
  24 {
  25         struct dm_test_state *dms = uts->priv;
  26
  27         memset(uts, '\0', sizeof(*uts));
  28         uts->priv = dms;
  29         memset(dms, '\0', sizeof(*dms));
  30         gd->dm_root = NULL;
  31         memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
  32
  33         ut_assertok(dm_init());
  34         dms->root = dm_root();
  35
  36         return 0;
  37 }
  38
  39 /* Ensure all the test devices are probed */
  40 static int do_autoprobe(struct unit_test_state *uts)
  41 {
  42         struct udevice *dev;
  43         int ret;
  44
  45         /* Scanning the uclass is enough to probe all the devices */
  46         for (ret = uclass_first_device(UCLASS_TEST, &dev);
  47              dev;
  48              ret = uclass_next_device(&dev))
  49                 ;
  50
  51         return ret;
  52 }
  53
  54 static int dm_test_destroy(struct unit_test_state *uts)
  55 {
  56         int id;
  57
  58         for (id = 0; id < UCLASS_COUNT; id++) {
  59                 struct uclass *uc;
  60
  61                 /*
  62                  * If the uclass doesn't exist we don't want to create it. So
  63                  * check that here before we call uclass_find_device()/
  64                  */
  65                 uc = uclass_find(id);
  66                 if (!uc)
  67                         continue;
  68                 ut_assertok(uclass_destroy(uc));
  69         }
  70
  71         return 0;
  72 }
  73
  74 static int dm_test_main(const char *test_name)
  75 {
  76         struct unit_test *tests = ll_entry_start(struct unit_test, dm_test);
  77         const int n_ents = ll_entry_count(struct unit_test, dm_test);
  78         struct unit_test_state *uts = &global_dm_test_state;
  79         uts->priv = &_global_priv_dm_test_state;
  80         struct unit_test *test;
  81
  82         /*
  83          * If we have no device tree, or it only has a root node, then these
  84          * tests clearly aren't going to work...
  85          */
  86         if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
  87                 puts("Please run with test device tree:\n"
  88                      "    ./u-boot -d arch/sandbox/dts/test.dtb\n");
  89                 ut_assert(gd->fdt_blob);
  90         }
  91
  92         if (!test_name)
  93                 printf("Running %d driver model tests\n", n_ents);
  94
  95         for (test = tests; test < tests + n_ents; test++) {
  96                 if (test_name && strcmp(test_name, test->name))
  97                         continue;
  98                 printf("Test: %s\n", test->name);
  99                 ut_assertok(dm_test_init(uts));
 100
 101                 uts->start = mallinfo();
 102                 if (test->flags & DM_TESTF_SCAN_PDATA)
 103                         ut_assertok(dm_scan_platdata(false));
 104                 if (test->flags & DM_TESTF_PROBE_TEST)
 105                         ut_assertok(do_autoprobe(uts));
 106                 if (test->flags & DM_TESTF_SCAN_FDT)
 107                         ut_assertok(dm_scan_fdt(gd->fdt_blob, false));
 108
 109                 if (test->func(uts))
 110                         break;
 111
 112                 ut_assertok(dm_test_destroy(uts));
 113         }
 114
 115         printf("Failures: %d\n", uts->fail_count);
 116
 117         return 0;
 118 }
 119
 120 int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 121 {
 122         const char *test_name = NULL;
 123
 124         if (argc > 1)
 125                 test_name = argv[1];
 126
 127         return dm_test_main(test_name);
 128 }