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 <console.h>
  10 #include <dm.h>
  11 #include <errno.h>
  12 #include <malloc.h>
  13 #include <asm/state.h>
  14 #include <dm/test.h>
  15 #include <dm/root.h>
  16 #include <dm/uclass-internal.h>
  17 #include <test/ut.h>
  18
  19 DECLARE_GLOBAL_DATA_PTR;
  20
  21 struct unit_test_state global_dm_test_state;
  22 static struct dm_test_state _global_priv_dm_test_state;
  23
  24 /* Get ready for testing */
  25 static int dm_test_init(struct unit_test_state *uts)
  26 {
  27         struct dm_test_state *dms = uts->priv;
  28
  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         int run_count;
  82
  83         /*
  84          * If we have no device tree, or it only has a root node, then these
  85          * tests clearly aren't going to work...
  86          */
  87         if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
  88                 puts("Please run with test device tree:\n"
  89                      "    ./u-boot -d arch/sandbox/dts/test.dtb\n");
  90                 ut_assert(gd->fdt_blob);
  91         }
  92
  93         if (!test_name)
  94                 printf("Running %d driver model tests\n", n_ents);
  95
  96         run_count = 0;
  97         for (test = tests; test < tests + n_ents; test++) {
  98                 const char *name = test->name;
  99
 100                 /* All tests have this prefix */
 101                 if (!strncmp(name, "dm_test_", 8))
 102                         name += 8;
 103                 if (test_name && strcmp(test_name, name))
 104                         continue;
 105                 printf("Test: %s\n", test->name);
 106                 run_count++;
 107                 ut_assertok(dm_test_init(uts));
 108
 109                 uts->start = mallinfo();
 110                 if (test->flags & DM_TESTF_SCAN_PDATA)
 111                         ut_assertok(dm_scan_platdata(false));
 112                 if (test->flags & DM_TESTF_PROBE_TEST)
 113                         ut_assertok(do_autoprobe(uts));
 114                 if (test->flags & DM_TESTF_SCAN_FDT)
 115                         ut_assertok(dm_scan_fdt(gd->fdt_blob, false));
 116
 117                 test->func(uts);
 118                 state_set_skip_delays(false);
 119
 120                 ut_assertok(dm_test_destroy(uts));
 121         }
 122
 123         if (test_name && !run_count)
 124                 printf("Test '%s' not found\n", test_name);
 125         else
 126                 printf("Failures: %d\n", uts->fail_count);
 127
 128         gd->dm_root = NULL;
 129         ut_assertok(dm_init());
 130         dm_scan_platdata(false);
 131         dm_scan_fdt(gd->fdt_blob, false);
 132
 133         return uts->fail_count ? CMD_RET_FAILURE : 0;
 134 }
 135
 136 int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 137 {
 138         const char *test_name = NULL;
 139
 140         if (argc > 1)
 141                 test_name = argv[1];
 142
 143         return dm_test_main(test_name);
 144 }