1
2
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4
5
6#include <kunit/test.h>
7#include <linux/property.h>
8#include <linux/types.h>
9
10static void pe_test_uints(struct kunit *test)
11{
12 static const struct property_entry entries[] = {
13 PROPERTY_ENTRY_U8("prop-u8", 8),
14 PROPERTY_ENTRY_U16("prop-u16", 16),
15 PROPERTY_ENTRY_U32("prop-u32", 32),
16 PROPERTY_ENTRY_U64("prop-u64", 64),
17 { }
18 };
19
20 struct fwnode_handle *node;
21 u8 val_u8, array_u8[2];
22 u16 val_u16, array_u16[2];
23 u32 val_u32, array_u32[2];
24 u64 val_u64, array_u64[2];
25 int error;
26
27 node = fwnode_create_software_node(entries, NULL);
28 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
29
30 error = fwnode_property_count_u8(node, "prop-u8");
31 KUNIT_EXPECT_EQ(test, error, 1);
32
33 error = fwnode_property_read_u8(node, "prop-u8", &val_u8);
34 KUNIT_EXPECT_EQ(test, error, 0);
35 KUNIT_EXPECT_EQ(test, val_u8, 8);
36
37 error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 1);
38 KUNIT_EXPECT_EQ(test, error, 0);
39 KUNIT_EXPECT_EQ(test, array_u8[0], 8);
40
41 error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 2);
42 KUNIT_EXPECT_NE(test, error, 0);
43
44 error = fwnode_property_read_u8(node, "no-prop-u8", &val_u8);
45 KUNIT_EXPECT_NE(test, error, 0);
46
47 error = fwnode_property_read_u8_array(node, "no-prop-u8", array_u8, 1);
48 KUNIT_EXPECT_NE(test, error, 0);
49
50 error = fwnode_property_read_u16(node, "prop-u16", &val_u16);
51 KUNIT_EXPECT_EQ(test, error, 0);
52 KUNIT_EXPECT_EQ(test, val_u16, 16);
53
54 error = fwnode_property_count_u16(node, "prop-u16");
55 KUNIT_EXPECT_EQ(test, error, 1);
56
57 error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 1);
58 KUNIT_EXPECT_EQ(test, error, 0);
59 KUNIT_EXPECT_EQ(test, array_u16[0], 16);
60
61 error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 2);
62 KUNIT_EXPECT_NE(test, error, 0);
63
64 error = fwnode_property_read_u16(node, "no-prop-u16", &val_u16);
65 KUNIT_EXPECT_NE(test, error, 0);
66
67 error = fwnode_property_read_u16_array(node, "no-prop-u16", array_u16, 1);
68 KUNIT_EXPECT_NE(test, error, 0);
69
70 error = fwnode_property_read_u32(node, "prop-u32", &val_u32);
71 KUNIT_EXPECT_EQ(test, error, 0);
72 KUNIT_EXPECT_EQ(test, val_u32, 32);
73
74 error = fwnode_property_count_u32(node, "prop-u32");
75 KUNIT_EXPECT_EQ(test, error, 1);
76
77 error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 1);
78 KUNIT_EXPECT_EQ(test, error, 0);
79 KUNIT_EXPECT_EQ(test, array_u32[0], 32);
80
81 error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 2);
82 KUNIT_EXPECT_NE(test, error, 0);
83
84 error = fwnode_property_read_u32(node, "no-prop-u32", &val_u32);
85 KUNIT_EXPECT_NE(test, error, 0);
86
87 error = fwnode_property_read_u32_array(node, "no-prop-u32", array_u32, 1);
88 KUNIT_EXPECT_NE(test, error, 0);
89
90 error = fwnode_property_read_u64(node, "prop-u64", &val_u64);
91 KUNIT_EXPECT_EQ(test, error, 0);
92 KUNIT_EXPECT_EQ(test, val_u64, 64);
93
94 error = fwnode_property_count_u64(node, "prop-u64");
95 KUNIT_EXPECT_EQ(test, error, 1);
96
97 error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 1);
98 KUNIT_EXPECT_EQ(test, error, 0);
99 KUNIT_EXPECT_EQ(test, array_u64[0], 64);
100
101 error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 2);
102 KUNIT_EXPECT_NE(test, error, 0);
103
104 error = fwnode_property_read_u64(node, "no-prop-u64", &val_u64);
105 KUNIT_EXPECT_NE(test, error, 0);
106
107 error = fwnode_property_read_u64_array(node, "no-prop-u64", array_u64, 1);
108 KUNIT_EXPECT_NE(test, error, 0);
109
110
111 error = fwnode_property_count_u16(node, "prop-u64");
112 KUNIT_EXPECT_EQ(test, error, 4);
113
114 fwnode_remove_software_node(node);
115}
116
117static void pe_test_uint_arrays(struct kunit *test)
118{
119 static const u8 a_u8[10] = { 8, 9 };
120 static const u16 a_u16[10] = { 16, 17 };
121 static const u32 a_u32[10] = { 32, 33 };
122 static const u64 a_u64[10] = { 64, 65 };
123 static const struct property_entry entries[] = {
124 PROPERTY_ENTRY_U8_ARRAY("prop-u8", a_u8),
125 PROPERTY_ENTRY_U16_ARRAY("prop-u16", a_u16),
126 PROPERTY_ENTRY_U32_ARRAY("prop-u32", a_u32),
127 PROPERTY_ENTRY_U64_ARRAY("prop-u64", a_u64),
128 { }
129 };
130
131 struct fwnode_handle *node;
132 u8 val_u8, array_u8[32];
133 u16 val_u16, array_u16[32];
134 u32 val_u32, array_u32[32];
135 u64 val_u64, array_u64[32];
136 int error;
137
138 node = fwnode_create_software_node(entries, NULL);
139 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
140
141 error = fwnode_property_read_u8(node, "prop-u8", &val_u8);
142 KUNIT_EXPECT_EQ(test, error, 0);
143 KUNIT_EXPECT_EQ(test, val_u8, 8);
144
145 error = fwnode_property_count_u8(node, "prop-u8");
146 KUNIT_EXPECT_EQ(test, error, 10);
147
148 error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 1);
149 KUNIT_EXPECT_EQ(test, error, 0);
150 KUNIT_EXPECT_EQ(test, array_u8[0], 8);
151
152 error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 2);
153 KUNIT_EXPECT_EQ(test, error, 0);
154 KUNIT_EXPECT_EQ(test, array_u8[0], 8);
155 KUNIT_EXPECT_EQ(test, array_u8[1], 9);
156
157 error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 17);
158 KUNIT_EXPECT_NE(test, error, 0);
159
160 error = fwnode_property_read_u8(node, "no-prop-u8", &val_u8);
161 KUNIT_EXPECT_NE(test, error, 0);
162
163 error = fwnode_property_read_u8_array(node, "no-prop-u8", array_u8, 1);
164 KUNIT_EXPECT_NE(test, error, 0);
165
166 error = fwnode_property_read_u16(node, "prop-u16", &val_u16);
167 KUNIT_EXPECT_EQ(test, error, 0);
168 KUNIT_EXPECT_EQ(test, val_u16, 16);
169
170 error = fwnode_property_count_u16(node, "prop-u16");
171 KUNIT_EXPECT_EQ(test, error, 10);
172
173 error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 1);
174 KUNIT_EXPECT_EQ(test, error, 0);
175 KUNIT_EXPECT_EQ(test, array_u16[0], 16);
176
177 error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 2);
178 KUNIT_EXPECT_EQ(test, error, 0);
179 KUNIT_EXPECT_EQ(test, array_u16[0], 16);
180 KUNIT_EXPECT_EQ(test, array_u16[1], 17);
181
182 error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 17);
183 KUNIT_EXPECT_NE(test, error, 0);
184
185 error = fwnode_property_read_u16(node, "no-prop-u16", &val_u16);
186 KUNIT_EXPECT_NE(test, error, 0);
187
188 error = fwnode_property_read_u16_array(node, "no-prop-u16", array_u16, 1);
189 KUNIT_EXPECT_NE(test, error, 0);
190
191 error = fwnode_property_read_u32(node, "prop-u32", &val_u32);
192 KUNIT_EXPECT_EQ(test, error, 0);
193 KUNIT_EXPECT_EQ(test, val_u32, 32);
194
195 error = fwnode_property_count_u32(node, "prop-u32");
196 KUNIT_EXPECT_EQ(test, error, 10);
197
198 error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 1);
199 KUNIT_EXPECT_EQ(test, error, 0);
200 KUNIT_EXPECT_EQ(test, array_u32[0], 32);
201
202 error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 2);
203 KUNIT_EXPECT_EQ(test, error, 0);
204 KUNIT_EXPECT_EQ(test, array_u32[0], 32);
205 KUNIT_EXPECT_EQ(test, array_u32[1], 33);
206
207 error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 17);
208 KUNIT_EXPECT_NE(test, error, 0);
209
210 error = fwnode_property_read_u32(node, "no-prop-u32", &val_u32);
211 KUNIT_EXPECT_NE(test, error, 0);
212
213 error = fwnode_property_read_u32_array(node, "no-prop-u32", array_u32, 1);
214 KUNIT_EXPECT_NE(test, error, 0);
215
216 error = fwnode_property_read_u64(node, "prop-u64", &val_u64);
217 KUNIT_EXPECT_EQ(test, error, 0);
218 KUNIT_EXPECT_EQ(test, val_u64, 64);
219
220 error = fwnode_property_count_u64(node, "prop-u64");
221 KUNIT_EXPECT_EQ(test, error, 10);
222
223 error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 1);
224 KUNIT_EXPECT_EQ(test, error, 0);
225 KUNIT_EXPECT_EQ(test, array_u64[0], 64);
226
227 error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 2);
228 KUNIT_EXPECT_EQ(test, error, 0);
229 KUNIT_EXPECT_EQ(test, array_u64[0], 64);
230 KUNIT_EXPECT_EQ(test, array_u64[1], 65);
231
232 error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 17);
233 KUNIT_EXPECT_NE(test, error, 0);
234
235 error = fwnode_property_read_u64(node, "no-prop-u64", &val_u64);
236 KUNIT_EXPECT_NE(test, error, 0);
237
238 error = fwnode_property_read_u64_array(node, "no-prop-u64", array_u64, 1);
239 KUNIT_EXPECT_NE(test, error, 0);
240
241
242 error = fwnode_property_count_u16(node, "prop-u64");
243 KUNIT_EXPECT_EQ(test, error, 40);
244
245
246 error = fwnode_property_count_u64(node, "prop-u16");
247 KUNIT_EXPECT_EQ(test, error, 2);
248
249 fwnode_remove_software_node(node);
250}
251
252static void pe_test_strings(struct kunit *test)
253{
254 static const char *strings[] = {
255 "string-a",
256 "string-b",
257 };
258
259 static const struct property_entry entries[] = {
260 PROPERTY_ENTRY_STRING("str", "single"),
261 PROPERTY_ENTRY_STRING("empty", ""),
262 PROPERTY_ENTRY_STRING_ARRAY("strs", strings),
263 { }
264 };
265
266 struct fwnode_handle *node;
267 const char *str;
268 const char *strs[10];
269 int error;
270
271 node = fwnode_create_software_node(entries, NULL);
272 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
273
274 error = fwnode_property_read_string(node, "str", &str);
275 KUNIT_EXPECT_EQ(test, error, 0);
276 KUNIT_EXPECT_STREQ(test, str, "single");
277
278 error = fwnode_property_string_array_count(node, "str");
279 KUNIT_EXPECT_EQ(test, error, 1);
280
281 error = fwnode_property_read_string_array(node, "str", strs, 1);
282 KUNIT_EXPECT_EQ(test, error, 1);
283 KUNIT_EXPECT_STREQ(test, strs[0], "single");
284
285
286 error = fwnode_property_read_string_array(node, "str", strs, 2);
287 KUNIT_EXPECT_EQ(test, error, 1);
288 KUNIT_EXPECT_STREQ(test, strs[0], "single");
289
290 error = fwnode_property_read_string(node, "no-str", &str);
291 KUNIT_EXPECT_NE(test, error, 0);
292
293 error = fwnode_property_read_string_array(node, "no-str", strs, 1);
294 KUNIT_EXPECT_LT(test, error, 0);
295
296 error = fwnode_property_read_string(node, "empty", &str);
297 KUNIT_EXPECT_EQ(test, error, 0);
298 KUNIT_EXPECT_STREQ(test, str, "");
299
300 error = fwnode_property_string_array_count(node, "strs");
301 KUNIT_EXPECT_EQ(test, error, 2);
302
303 error = fwnode_property_read_string_array(node, "strs", strs, 3);
304 KUNIT_EXPECT_EQ(test, error, 2);
305 KUNIT_EXPECT_STREQ(test, strs[0], "string-a");
306 KUNIT_EXPECT_STREQ(test, strs[1], "string-b");
307
308 error = fwnode_property_read_string_array(node, "strs", strs, 1);
309 KUNIT_EXPECT_EQ(test, error, 1);
310 KUNIT_EXPECT_STREQ(test, strs[0], "string-a");
311
312
313 error = fwnode_property_read_string_array(node, "strs", NULL, 0);
314 KUNIT_EXPECT_EQ(test, error, 2);
315
316
317 error = fwnode_property_read_string(node, "strs", &str);
318 KUNIT_EXPECT_EQ(test, error, 0);
319 KUNIT_EXPECT_STREQ(test, str, "string-a");
320
321 fwnode_remove_software_node(node);
322}
323
324static void pe_test_bool(struct kunit *test)
325{
326 static const struct property_entry entries[] = {
327 PROPERTY_ENTRY_BOOL("prop"),
328 { }
329 };
330
331 struct fwnode_handle *node;
332
333 node = fwnode_create_software_node(entries, NULL);
334 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
335
336 KUNIT_EXPECT_TRUE(test, fwnode_property_read_bool(node, "prop"));
337 KUNIT_EXPECT_FALSE(test, fwnode_property_read_bool(node, "not-prop"));
338
339 fwnode_remove_software_node(node);
340}
341
342
343static void pe_test_move_inline_u8(struct kunit *test)
344{
345 static const u8 u8_array_small[8] = { 1, 2, 3, 4 };
346 static const u8 u8_array_big[128] = { 5, 6, 7, 8 };
347 static const struct property_entry entries[] = {
348 PROPERTY_ENTRY_U8_ARRAY("small", u8_array_small),
349 PROPERTY_ENTRY_U8_ARRAY("big", u8_array_big),
350 { }
351 };
352
353 struct property_entry *copy;
354 const u8 *data_ptr;
355
356 copy = property_entries_dup(entries);
357 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, copy);
358
359 KUNIT_EXPECT_TRUE(test, copy[0].is_inline);
360 data_ptr = (u8 *)©[0].value;
361 KUNIT_EXPECT_EQ(test, data_ptr[0], 1);
362 KUNIT_EXPECT_EQ(test, data_ptr[1], 2);
363
364 KUNIT_EXPECT_FALSE(test, copy[1].is_inline);
365 data_ptr = copy[1].pointer;
366 KUNIT_EXPECT_EQ(test, data_ptr[0], 5);
367 KUNIT_EXPECT_EQ(test, data_ptr[1], 6);
368
369 property_entries_free(copy);
370}
371
372
373static void pe_test_move_inline_str(struct kunit *test)
374{
375 static char *str_array_small[] = { "a" };
376 static char *str_array_big[] = { "b", "c", "d", "e" };
377 static char *str_array_small_empty[] = { "" };
378 static struct property_entry entries[] = {
379 PROPERTY_ENTRY_STRING_ARRAY("small", str_array_small),
380 PROPERTY_ENTRY_STRING_ARRAY("big", str_array_big),
381 PROPERTY_ENTRY_STRING_ARRAY("small-empty", str_array_small_empty),
382 { }
383 };
384
385 struct property_entry *copy;
386 const char * const *data_ptr;
387
388 copy = property_entries_dup(entries);
389 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, copy);
390
391 KUNIT_EXPECT_TRUE(test, copy[0].is_inline);
392 KUNIT_EXPECT_STREQ(test, copy[0].value.str[0], "a");
393
394 KUNIT_EXPECT_FALSE(test, copy[1].is_inline);
395 data_ptr = copy[1].pointer;
396 KUNIT_EXPECT_STREQ(test, data_ptr[0], "b");
397 KUNIT_EXPECT_STREQ(test, data_ptr[1], "c");
398
399 KUNIT_EXPECT_TRUE(test, copy[2].is_inline);
400 KUNIT_EXPECT_STREQ(test, copy[2].value.str[0], "");
401
402 property_entries_free(copy);
403}
404
405
406static void pe_test_reference(struct kunit *test)
407{
408 static const struct software_node nodes[] = {
409 { .name = "1", },
410 { .name = "2", },
411 { }
412 };
413
414 static const struct software_node_ref_args refs[] = {
415 SOFTWARE_NODE_REFERENCE(&nodes[0]),
416 SOFTWARE_NODE_REFERENCE(&nodes[1], 3, 4),
417 };
418
419 const struct property_entry entries[] = {
420 PROPERTY_ENTRY_REF("ref-1", &nodes[0]),
421 PROPERTY_ENTRY_REF("ref-2", &nodes[1], 1, 2),
422 PROPERTY_ENTRY_REF_ARRAY("ref-3", refs),
423 { }
424 };
425
426 struct fwnode_handle *node;
427 struct fwnode_reference_args ref;
428 int error;
429
430 error = software_node_register_nodes(nodes);
431 KUNIT_ASSERT_EQ(test, error, 0);
432
433 node = fwnode_create_software_node(entries, NULL);
434 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
435
436 error = fwnode_property_get_reference_args(node, "ref-1", NULL,
437 0, 0, &ref);
438 KUNIT_ASSERT_EQ(test, error, 0);
439 KUNIT_EXPECT_PTR_EQ(test, to_software_node(ref.fwnode), &nodes[0]);
440 KUNIT_EXPECT_EQ(test, ref.nargs, 0U);
441
442
443 error = fwnode_property_get_reference_args(node, "ref-1", NULL,
444 0, 1, &ref);
445 KUNIT_EXPECT_NE(test, error, 0);
446
447 error = fwnode_property_get_reference_args(node, "ref-2", NULL,
448 1, 0, &ref);
449 KUNIT_ASSERT_EQ(test, error, 0);
450 KUNIT_EXPECT_PTR_EQ(test, to_software_node(ref.fwnode), &nodes[1]);
451 KUNIT_EXPECT_EQ(test, ref.nargs, 1U);
452 KUNIT_EXPECT_EQ(test, ref.args[0], 1LLU);
453
454
455 error = fwnode_property_get_reference_args(node, "ref-2", NULL,
456 3, 0, &ref);
457 KUNIT_ASSERT_EQ(test, error, 0);
458 KUNIT_EXPECT_PTR_EQ(test, to_software_node(ref.fwnode), &nodes[1]);
459 KUNIT_EXPECT_EQ(test, ref.nargs, 3U);
460 KUNIT_EXPECT_EQ(test, ref.args[0], 1LLU);
461 KUNIT_EXPECT_EQ(test, ref.args[1], 2LLU);
462 KUNIT_EXPECT_EQ(test, ref.args[2], 0LLU);
463
464
465 error = fwnode_property_get_reference_args(node, "ref-2", NULL,
466 2, 1, &ref);
467 KUNIT_EXPECT_NE(test, error, 0);
468
469
470 error = fwnode_property_get_reference_args(node, "ref-3", NULL,
471 0, 0, &ref);
472 KUNIT_ASSERT_EQ(test, error, 0);
473 KUNIT_EXPECT_PTR_EQ(test, to_software_node(ref.fwnode), &nodes[0]);
474 KUNIT_EXPECT_EQ(test, ref.nargs, 0U);
475
476
477 error = fwnode_property_get_reference_args(node, "ref-3", NULL,
478 2, 1, &ref);
479 KUNIT_ASSERT_EQ(test, error, 0);
480 KUNIT_EXPECT_PTR_EQ(test, to_software_node(ref.fwnode), &nodes[1]);
481 KUNIT_EXPECT_EQ(test, ref.nargs, 2U);
482 KUNIT_EXPECT_EQ(test, ref.args[0], 3LLU);
483 KUNIT_EXPECT_EQ(test, ref.args[1], 4LLU);
484
485
486 error = fwnode_property_get_reference_args(node, "ref-1", NULL,
487 0, 2, &ref);
488 KUNIT_EXPECT_NE(test, error, 0);
489
490 fwnode_remove_software_node(node);
491 software_node_unregister_nodes(nodes);
492}
493
494static struct kunit_case property_entry_test_cases[] = {
495 KUNIT_CASE(pe_test_uints),
496 KUNIT_CASE(pe_test_uint_arrays),
497 KUNIT_CASE(pe_test_strings),
498 KUNIT_CASE(pe_test_bool),
499 KUNIT_CASE(pe_test_move_inline_u8),
500 KUNIT_CASE(pe_test_move_inline_str),
501 KUNIT_CASE(pe_test_reference),
502 { }
503};
504
505static struct kunit_suite property_entry_test_suite = {
506 .name = "property-entry",
507 .test_cases = property_entry_test_cases,
508};
509
510kunit_test_suite(property_entry_test_suite);
511
