1 | /* |
---|
2 | * SPDX-License-Identifier: BSD-2-Clause |
---|
3 | * |
---|
4 | * Copyright (C) 2019 embedded brains GmbH |
---|
5 | * |
---|
6 | * Redistribution and use in source and binary forms, with or without |
---|
7 | * modification, are permitted provided that the following conditions |
---|
8 | * are met: |
---|
9 | * 1. Redistributions of source code must retain the above copyright |
---|
10 | * notice, this list of conditions and the following disclaimer. |
---|
11 | * 2. Redistributions in binary form must reproduce the above copyright |
---|
12 | * notice, this list of conditions and the following disclaimer in the |
---|
13 | * documentation and/or other materials provided with the distribution. |
---|
14 | * |
---|
15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
---|
16 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
---|
17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
---|
18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
---|
19 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
---|
20 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
---|
21 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
---|
22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
---|
23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
---|
24 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
---|
25 | * POSSIBILITY OF SUCH DAMAGE. |
---|
26 | */ |
---|
27 | |
---|
28 | #include <rtems/score/smpimpl.h> |
---|
29 | #include <rtems/score/atomic.h> |
---|
30 | #include <rtems/score/threaddispatch.h> |
---|
31 | #include <rtems/sysinit.h> |
---|
32 | #include <rtems.h> |
---|
33 | |
---|
34 | #include <string.h> |
---|
35 | |
---|
36 | #include <t.h> |
---|
37 | #include <tmacros.h> |
---|
38 | |
---|
39 | #define CPU_COUNT 32 |
---|
40 | |
---|
41 | const char rtems_test_name[] = "SMPMULTICAST 1"; |
---|
42 | |
---|
43 | static const T_config config = { |
---|
44 | .name = "SMPMultiCast", |
---|
45 | .putchar = T_putchar_default, |
---|
46 | .verbosity = T_VERBOSE, |
---|
47 | .now = T_now |
---|
48 | }; |
---|
49 | |
---|
50 | typedef struct { |
---|
51 | rtems_test_parallel_context base; |
---|
52 | Atomic_Uint id[CPU_COUNT][CPU_COUNT]; |
---|
53 | } test_context; |
---|
54 | |
---|
55 | static test_context test_instance; |
---|
56 | |
---|
57 | static void clear_ids_by_worker(test_context *ctx, size_t worker_index) |
---|
58 | { |
---|
59 | memset(&ctx->id[worker_index][0], 0, sizeof(ctx->id[worker_index])); |
---|
60 | } |
---|
61 | |
---|
62 | static void multicast_action_irq_disabled( |
---|
63 | const Processor_mask *targets, |
---|
64 | SMP_Action_handler handler, |
---|
65 | void *arg |
---|
66 | ) |
---|
67 | { |
---|
68 | rtems_interrupt_level level; |
---|
69 | |
---|
70 | rtems_interrupt_local_disable(level); |
---|
71 | _SMP_Multicast_action(targets, handler, arg); |
---|
72 | rtems_interrupt_local_enable(level); |
---|
73 | } |
---|
74 | |
---|
75 | static void multicast_action_dispatch_disabled( |
---|
76 | const Processor_mask *targets, |
---|
77 | SMP_Action_handler handler, |
---|
78 | void *arg |
---|
79 | ) |
---|
80 | { |
---|
81 | Per_CPU_Control *cpu_self; |
---|
82 | |
---|
83 | cpu_self = _Thread_Dispatch_disable(); |
---|
84 | _SMP_Multicast_action(targets, handler, arg); |
---|
85 | _Thread_Dispatch_enable(cpu_self); |
---|
86 | } |
---|
87 | |
---|
88 | static void broadcast_action_irq_disabled( |
---|
89 | SMP_Action_handler handler, |
---|
90 | void *arg |
---|
91 | ) |
---|
92 | { |
---|
93 | rtems_interrupt_level level; |
---|
94 | |
---|
95 | rtems_interrupt_local_disable(level); |
---|
96 | _SMP_Broadcast_action(handler, arg); |
---|
97 | rtems_interrupt_local_enable(level); |
---|
98 | } |
---|
99 | |
---|
100 | static void broadcast_action_dispatch_disabled( |
---|
101 | SMP_Action_handler handler, |
---|
102 | void *arg |
---|
103 | ) |
---|
104 | { |
---|
105 | Per_CPU_Control *cpu_self; |
---|
106 | |
---|
107 | cpu_self = _Thread_Dispatch_disable(); |
---|
108 | _SMP_Broadcast_action(handler, arg); |
---|
109 | _Thread_Dispatch_enable(cpu_self); |
---|
110 | } |
---|
111 | |
---|
112 | static void action(void *arg) |
---|
113 | { |
---|
114 | Atomic_Uint *id; |
---|
115 | uint32_t self; |
---|
116 | unsigned expected; |
---|
117 | bool success; |
---|
118 | |
---|
119 | id = arg; |
---|
120 | self = rtems_scheduler_get_processor(); |
---|
121 | expected = 0; |
---|
122 | success = _Atomic_Compare_exchange_uint( |
---|
123 | &id[self], |
---|
124 | &expected, |
---|
125 | self + 1, |
---|
126 | ATOMIC_ORDER_RELAXED, |
---|
127 | ATOMIC_ORDER_RELAXED |
---|
128 | ); |
---|
129 | T_quiet_true(success, "set CPU identifier failed"); |
---|
130 | } |
---|
131 | |
---|
132 | static void test_unicast( |
---|
133 | test_context *ctx, |
---|
134 | void (*multicast_action)(const Processor_mask *, SMP_Action_handler, void *) |
---|
135 | ) |
---|
136 | { |
---|
137 | uint32_t step; |
---|
138 | uint32_t i; |
---|
139 | uint32_t n; |
---|
140 | |
---|
141 | T_plan(1); |
---|
142 | step = 0; |
---|
143 | n = rtems_scheduler_get_processor_maximum(); |
---|
144 | |
---|
145 | for (i = 0; i < n; ++i) { |
---|
146 | Processor_mask cpus; |
---|
147 | uint32_t j; |
---|
148 | |
---|
149 | clear_ids_by_worker(ctx, 0); |
---|
150 | |
---|
151 | _Processor_mask_Zero(&cpus); |
---|
152 | _Processor_mask_Set(&cpus, i); |
---|
153 | (*multicast_action)(&cpus, action, &ctx->id[0][0]); |
---|
154 | |
---|
155 | for (j = 0; j < n; ++j) { |
---|
156 | unsigned id; |
---|
157 | |
---|
158 | ++step; |
---|
159 | id = _Atomic_Load_uint(&ctx->id[0][j], ATOMIC_ORDER_RELAXED); |
---|
160 | |
---|
161 | if (j == i) { |
---|
162 | T_quiet_eq_uint(j + 1, id); |
---|
163 | } else { |
---|
164 | T_quiet_eq_uint(0, id); |
---|
165 | } |
---|
166 | } |
---|
167 | } |
---|
168 | |
---|
169 | T_step_eq_u32(0, step, n * n); |
---|
170 | } |
---|
171 | |
---|
172 | static void test_broadcast( |
---|
173 | test_context *ctx, |
---|
174 | void (*broadcast_action)(SMP_Action_handler, void *) |
---|
175 | ) |
---|
176 | { |
---|
177 | uint32_t step; |
---|
178 | uint32_t i; |
---|
179 | uint32_t n; |
---|
180 | |
---|
181 | T_plan(1); |
---|
182 | step = 0; |
---|
183 | n = rtems_scheduler_get_processor_maximum(); |
---|
184 | |
---|
185 | for (i = 0; i < n; ++i) { |
---|
186 | uint32_t j; |
---|
187 | |
---|
188 | clear_ids_by_worker(ctx, 0); |
---|
189 | |
---|
190 | (*broadcast_action)(action, &ctx->id[0][0]); |
---|
191 | |
---|
192 | for (j = 0; j < n; ++j) { |
---|
193 | unsigned id; |
---|
194 | |
---|
195 | ++step; |
---|
196 | id = _Atomic_Load_uint(&ctx->id[0][j], ATOMIC_ORDER_RELAXED); |
---|
197 | T_quiet_eq_uint(j + 1, id); |
---|
198 | } |
---|
199 | } |
---|
200 | |
---|
201 | T_step_eq_u32(0, step, n * n); |
---|
202 | } |
---|
203 | |
---|
204 | static rtems_interval test_duration(void) |
---|
205 | { |
---|
206 | return rtems_clock_get_ticks_per_second(); |
---|
207 | } |
---|
208 | |
---|
209 | static rtems_interval test_broadcast_init( |
---|
210 | rtems_test_parallel_context *base, |
---|
211 | void *arg, |
---|
212 | size_t active_workers |
---|
213 | ) |
---|
214 | { |
---|
215 | return test_duration(); |
---|
216 | } |
---|
217 | |
---|
218 | static void test_broadcast_body( |
---|
219 | rtems_test_parallel_context *base, |
---|
220 | void *arg, |
---|
221 | size_t active_workers, |
---|
222 | size_t worker_index |
---|
223 | ) |
---|
224 | { |
---|
225 | test_context *ctx; |
---|
226 | |
---|
227 | ctx = (test_context *) base; |
---|
228 | |
---|
229 | while (!rtems_test_parallel_stop_job(&ctx->base)) { |
---|
230 | Per_CPU_Control *cpu_self; |
---|
231 | |
---|
232 | clear_ids_by_worker(ctx, worker_index); |
---|
233 | cpu_self = _Thread_Dispatch_disable(); |
---|
234 | _SMP_Multicast_action(NULL, action, &ctx->id[worker_index][0]); |
---|
235 | _Thread_Dispatch_enable(cpu_self); |
---|
236 | } |
---|
237 | } |
---|
238 | |
---|
239 | static void test_broadcast_fini( |
---|
240 | rtems_test_parallel_context *base, |
---|
241 | void *arg, |
---|
242 | size_t active_workers |
---|
243 | ) |
---|
244 | { |
---|
245 | /* Do nothing */ |
---|
246 | } |
---|
247 | |
---|
248 | static const rtems_test_parallel_job test_jobs[] = { |
---|
249 | { |
---|
250 | .init = test_broadcast_init, |
---|
251 | .body = test_broadcast_body, |
---|
252 | .fini = test_broadcast_fini, |
---|
253 | .cascade = true |
---|
254 | } |
---|
255 | }; |
---|
256 | |
---|
257 | T_TEST_CASE(ParallelBroadcast) |
---|
258 | { |
---|
259 | rtems_test_parallel( |
---|
260 | &test_instance.base, |
---|
261 | NULL, |
---|
262 | &test_jobs[0], |
---|
263 | RTEMS_ARRAY_SIZE(test_jobs) |
---|
264 | ); |
---|
265 | } |
---|
266 | |
---|
267 | static void test_before_multitasking(void) |
---|
268 | { |
---|
269 | test_context *ctx; |
---|
270 | |
---|
271 | ctx = &test_instance; |
---|
272 | |
---|
273 | T_case_begin("UnicastBeforeMultitasking", NULL); |
---|
274 | test_unicast(ctx, _SMP_Multicast_action); |
---|
275 | T_case_end(); |
---|
276 | |
---|
277 | T_case_begin("UnicastBeforeMultitaskingIRQDisabled", NULL); |
---|
278 | test_unicast(ctx, multicast_action_irq_disabled); |
---|
279 | T_case_end(); |
---|
280 | |
---|
281 | T_case_begin("UnicastBeforeMultitaskingDispatchDisabled", NULL); |
---|
282 | test_unicast(ctx, multicast_action_dispatch_disabled); |
---|
283 | T_case_end(); |
---|
284 | |
---|
285 | T_case_begin("BroadcastBeforeMultitasking", NULL); |
---|
286 | test_broadcast(ctx, _SMP_Broadcast_action); |
---|
287 | T_case_end(); |
---|
288 | |
---|
289 | T_case_begin("BroadcastBeforeMultitaskingIRQDisabled", NULL); |
---|
290 | test_broadcast(ctx, broadcast_action_irq_disabled); |
---|
291 | T_case_end(); |
---|
292 | |
---|
293 | T_case_begin("BroadcastBeforeMultitaskingDispatchDisabled", NULL); |
---|
294 | test_broadcast(ctx, broadcast_action_dispatch_disabled); |
---|
295 | T_case_end(); |
---|
296 | } |
---|
297 | |
---|
298 | static void after_drivers(void) |
---|
299 | { |
---|
300 | TEST_BEGIN(); |
---|
301 | T_run_initialize(&config); |
---|
302 | test_before_multitasking(); |
---|
303 | } |
---|
304 | |
---|
305 | RTEMS_SYSINIT_ITEM( |
---|
306 | after_drivers, |
---|
307 | RTEMS_SYSINIT_DEVICE_DRIVERS, |
---|
308 | RTEMS_SYSINIT_ORDER_LAST |
---|
309 | ); |
---|
310 | |
---|
311 | static void set_wrong_cpu_state(void *arg) |
---|
312 | { |
---|
313 | Per_CPU_Control *cpu_self; |
---|
314 | |
---|
315 | cpu_self = arg; |
---|
316 | T_step_eq_ptr(0, cpu_self, _Per_CPU_Get()); |
---|
317 | cpu_self->state = 123; |
---|
318 | |
---|
319 | while (true) { |
---|
320 | /* Do nothing */ |
---|
321 | } |
---|
322 | } |
---|
323 | |
---|
324 | static void test_wrong_cpu_state_to_perform_jobs(void) |
---|
325 | { |
---|
326 | Per_CPU_Control *cpu_self; |
---|
327 | rtems_interrupt_level level; |
---|
328 | Processor_mask targets; |
---|
329 | uint32_t cpu_index; |
---|
330 | |
---|
331 | T_case_begin("WrongCPUStateToPerformJobs", NULL); |
---|
332 | T_plan(4); |
---|
333 | cpu_self = _Thread_Dispatch_disable(); |
---|
334 | |
---|
335 | cpu_index = _Per_CPU_Get_index(cpu_self); |
---|
336 | cpu_index = (cpu_index + 1) % rtems_scheduler_get_processor_maximum(); |
---|
337 | _Processor_mask_Zero(&targets); |
---|
338 | _Processor_mask_Set(&targets, cpu_index); |
---|
339 | |
---|
340 | rtems_interrupt_local_disable(level); |
---|
341 | |
---|
342 | _SMP_Multicast_action( |
---|
343 | &targets, |
---|
344 | set_wrong_cpu_state, |
---|
345 | _Per_CPU_Get_by_index(cpu_index) |
---|
346 | ); |
---|
347 | |
---|
348 | /* If everything is all right, we don't end up here */ |
---|
349 | rtems_interrupt_local_enable(level); |
---|
350 | _Thread_Dispatch_enable(cpu_self); |
---|
351 | rtems_fatal(RTEMS_FATAL_SOURCE_APPLICATION, 0); |
---|
352 | } |
---|
353 | |
---|
354 | #define TEST_JOB_ORDER_JOBS 3 |
---|
355 | |
---|
356 | static Per_CPU_Job job_order_jobs[TEST_JOB_ORDER_JOBS]; |
---|
357 | |
---|
358 | static void job_order_handler_0(void *arg) |
---|
359 | { |
---|
360 | T_step(1, "invalid job order"); |
---|
361 | } |
---|
362 | |
---|
363 | static void job_order_handler_1(void *arg) |
---|
364 | { |
---|
365 | T_step(2, "invalid job order"); |
---|
366 | } |
---|
367 | |
---|
368 | static void job_order_handler_2(void *arg) |
---|
369 | { |
---|
370 | T_step(3, "invalid job order"); |
---|
371 | } |
---|
372 | |
---|
373 | static const Per_CPU_Job_context job_order_contexts[TEST_JOB_ORDER_JOBS] = { |
---|
374 | { .handler = job_order_handler_0 }, |
---|
375 | { .handler = job_order_handler_1 }, |
---|
376 | { .handler = job_order_handler_2 } |
---|
377 | }; |
---|
378 | |
---|
379 | T_TEST_CASE(JobOrder) |
---|
380 | { |
---|
381 | Per_CPU_Control *cpu_self; |
---|
382 | size_t i; |
---|
383 | |
---|
384 | T_plan(4); |
---|
385 | cpu_self = _Thread_Dispatch_disable(); |
---|
386 | |
---|
387 | for (i = 0; i < TEST_JOB_ORDER_JOBS; ++i) { |
---|
388 | job_order_jobs[i].context = &job_order_contexts[i]; |
---|
389 | _Per_CPU_Add_job(cpu_self, &job_order_jobs[i]); |
---|
390 | } |
---|
391 | |
---|
392 | T_step(0, "wrong job processing time"); |
---|
393 | _SMP_Send_message(_Per_CPU_Get_index(cpu_self), SMP_MESSAGE_PERFORM_JOBS); |
---|
394 | _Thread_Dispatch_enable(cpu_self); |
---|
395 | } |
---|
396 | |
---|
397 | #define TEST_ADD_JOB_IN_JOB_JOBS 3 |
---|
398 | |
---|
399 | static Per_CPU_Job add_job_in_job_jobs[TEST_ADD_JOB_IN_JOB_JOBS]; |
---|
400 | |
---|
401 | static void add_job_in_job_handler_0(void *arg) |
---|
402 | { |
---|
403 | T_step(1, "invalid job order"); |
---|
404 | _Per_CPU_Add_job(_Per_CPU_Get(), &add_job_in_job_jobs[1]); |
---|
405 | } |
---|
406 | |
---|
407 | static void add_job_in_job_handler_1(void *arg) |
---|
408 | { |
---|
409 | T_step(3, "invalid job order"); |
---|
410 | } |
---|
411 | |
---|
412 | static const Per_CPU_Job_context |
---|
413 | add_job_in_job_contexts[TEST_ADD_JOB_IN_JOB_JOBS] = { |
---|
414 | { .handler = add_job_in_job_handler_0 }, |
---|
415 | { .handler = add_job_in_job_handler_1 } |
---|
416 | }; |
---|
417 | |
---|
418 | T_TEST_CASE(AddJobInJob) |
---|
419 | { |
---|
420 | Per_CPU_Control *cpu_self; |
---|
421 | size_t i; |
---|
422 | |
---|
423 | T_plan(4); |
---|
424 | cpu_self = _Thread_Dispatch_disable(); |
---|
425 | |
---|
426 | for (i = 0; i < TEST_ADD_JOB_IN_JOB_JOBS; ++i) { |
---|
427 | add_job_in_job_jobs[i].context = &add_job_in_job_contexts[i]; |
---|
428 | } |
---|
429 | |
---|
430 | _Per_CPU_Add_job(cpu_self, &add_job_in_job_jobs[0]); |
---|
431 | T_step(0, "wrong job processing time"); |
---|
432 | _SMP_Send_message(_Per_CPU_Get_index(cpu_self), SMP_MESSAGE_PERFORM_JOBS); |
---|
433 | T_step(2, "wrong job processing time"); |
---|
434 | _SMP_Send_message(_Per_CPU_Get_index(cpu_self), SMP_MESSAGE_PERFORM_JOBS); |
---|
435 | _Thread_Dispatch_enable(cpu_self); |
---|
436 | } |
---|
437 | |
---|
438 | T_TEST_CASE(UnicastDuringMultitaskingIRQDisabled) |
---|
439 | { |
---|
440 | test_unicast(&test_instance, multicast_action_irq_disabled); |
---|
441 | } |
---|
442 | |
---|
443 | T_TEST_CASE(UnicastDuringMultitaskingDispatchDisabled) |
---|
444 | { |
---|
445 | test_unicast(&test_instance, multicast_action_dispatch_disabled); |
---|
446 | } |
---|
447 | |
---|
448 | T_TEST_CASE(BroadcastDuringMultitaskingIRQDisabled) |
---|
449 | { |
---|
450 | test_broadcast(&test_instance, broadcast_action_irq_disabled); |
---|
451 | } |
---|
452 | |
---|
453 | T_TEST_CASE(BroadcastDuringMultitaskingDispatchDisabled) |
---|
454 | { |
---|
455 | test_broadcast(&test_instance, broadcast_action_dispatch_disabled); |
---|
456 | } |
---|
457 | |
---|
458 | static void Init(rtems_task_argument arg) |
---|
459 | { |
---|
460 | T_register(); |
---|
461 | T_run_all(); |
---|
462 | |
---|
463 | if (rtems_scheduler_get_processor_maximum() > 1) { |
---|
464 | test_wrong_cpu_state_to_perform_jobs(); |
---|
465 | } else { |
---|
466 | rtems_fatal(RTEMS_FATAL_SOURCE_APPLICATION, 0); |
---|
467 | } |
---|
468 | } |
---|
469 | |
---|
470 | static void fatal_extension( |
---|
471 | rtems_fatal_source source, |
---|
472 | bool always_set_to_false, |
---|
473 | rtems_fatal_code code |
---|
474 | ) |
---|
475 | { |
---|
476 | bool ok; |
---|
477 | |
---|
478 | if (source == RTEMS_FATAL_SOURCE_SMP) { |
---|
479 | T_step_eq_int(1, source, RTEMS_FATAL_SOURCE_SMP); |
---|
480 | T_step_false(2, always_set_to_false, "unexpected argument value"); |
---|
481 | T_step_eq_int(3, code, SMP_FATAL_WRONG_CPU_STATE_TO_PERFORM_JOBS); |
---|
482 | T_case_end(); |
---|
483 | |
---|
484 | ok = T_run_finalize(); |
---|
485 | rtems_test_assert(ok); |
---|
486 | TEST_END(); |
---|
487 | } else if (source == RTEMS_FATAL_SOURCE_APPLICATION) { |
---|
488 | ok = T_run_finalize(); |
---|
489 | rtems_test_assert(ok); |
---|
490 | TEST_END(); |
---|
491 | } |
---|
492 | } |
---|
493 | |
---|
494 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
---|
495 | |
---|
496 | #define CONFIGURE_MAXIMUM_TASKS CPU_COUNT |
---|
497 | |
---|
498 | #define CONFIGURE_MAXIMUM_TIMERS 1 |
---|
499 | |
---|
500 | #define CONFIGURE_MAXIMUM_PROCESSORS CPU_COUNT |
---|
501 | |
---|
502 | #define CONFIGURE_INITIAL_EXTENSIONS \ |
---|
503 | { .fatal = fatal_extension }, \ |
---|
504 | RTEMS_TEST_INITIAL_EXTENSION |
---|
505 | |
---|
506 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
---|
507 | |
---|
508 | #define CONFIGURE_INIT |
---|
509 | |
---|
510 | #include <rtems/confdefs.h> |
---|