1 | /* |
---|
2 | * Copyright 2008 Chris Johns (chrisj@rtems.org) |
---|
3 | * |
---|
4 | * The license and distribution terms for this file may be |
---|
5 | * found in the file LICENSE in this distribution or at |
---|
6 | * http://www.rtems.com/license/LICENSE. |
---|
7 | * |
---|
8 | * $Id$ |
---|
9 | */ |
---|
10 | |
---|
11 | /** |
---|
12 | * BD Buffer test. |
---|
13 | * |
---|
14 | * Please add more tests |
---|
15 | */ |
---|
16 | |
---|
17 | #include <errno.h> |
---|
18 | #include <setjmp.h> |
---|
19 | #include <stdio.h> |
---|
20 | #include <stdlib.h> |
---|
21 | #include <sys/types.h> |
---|
22 | #include <sys/stat.h> |
---|
23 | #include <inttypes.h> |
---|
24 | |
---|
25 | #include <rtems.h> |
---|
26 | #include <rtems/chain.h> |
---|
27 | #include <rtems/error.h> |
---|
28 | #include <rtems/bdbuf.h> |
---|
29 | |
---|
30 | #define BDBUF_DISKS 2 |
---|
31 | #define BDBUF_SIZE 1024 |
---|
32 | |
---|
33 | #if 0 |
---|
34 | const rtems_bdbuf_config rtems_bdbuf_configuration = |
---|
35 | { |
---|
36 | 5, /* max_read_ahead_blocks */ |
---|
37 | 5, /* max_write_blocks */ |
---|
38 | 15, /* swapout_priority */ |
---|
39 | 250, /* swapout_period */ |
---|
40 | 1000, /* swap_block_hold */ |
---|
41 | 0, /* swapout_workers */ |
---|
42 | 15, /* swapout_worker_priority */ |
---|
43 | 1024 * 1024, /* size */ |
---|
44 | 512, /* buffer_min */ |
---|
45 | 4096 /* buffer_max */ |
---|
46 | }; |
---|
47 | #endif |
---|
48 | |
---|
49 | /** |
---|
50 | * Let the IO system allocation the next available major number. |
---|
51 | */ |
---|
52 | #define RTEMS_DRIVER_AUTO_MAJOR (0) |
---|
53 | |
---|
54 | /** |
---|
55 | * The bdbuf disk driver base name. |
---|
56 | */ |
---|
57 | #define BDBUF_DISK_DEVICE_BASE_NAME "/dev/bddisk" |
---|
58 | |
---|
59 | /** |
---|
60 | * The actions the disk driver handles. |
---|
61 | */ |
---|
62 | typedef enum bdbuf_disk_action |
---|
63 | { |
---|
64 | BDBUF_DISK_NOOP, |
---|
65 | BDBUF_DISK_WAIT, |
---|
66 | BDBUF_DISK_SLEEP, |
---|
67 | BDBUF_DISK_BLOCKS_INORDER |
---|
68 | } bdbuf_disk_action; |
---|
69 | |
---|
70 | /** |
---|
71 | * The BDBUF Disk driver. |
---|
72 | */ |
---|
73 | typedef struct bdbuf_disk |
---|
74 | { |
---|
75 | const char* name; |
---|
76 | rtems_id lock; |
---|
77 | uint32_t block_size; |
---|
78 | uint32_t block_count; |
---|
79 | bdbuf_disk_action driver_action; |
---|
80 | const char* watcher_name; |
---|
81 | rtems_id watcher; |
---|
82 | int watch_count; |
---|
83 | const char* waiting_name; |
---|
84 | rtems_id waiting; |
---|
85 | uint32_t driver_sleep; |
---|
86 | } bdbuf_disk; |
---|
87 | |
---|
88 | /* |
---|
89 | * A disk drive for each pool. |
---|
90 | */ |
---|
91 | static bdbuf_disk bdbuf_disks[BDBUF_DISKS]; |
---|
92 | |
---|
93 | /** |
---|
94 | * Task control. |
---|
95 | */ |
---|
96 | typedef struct bdbuf_task_control |
---|
97 | { |
---|
98 | bool die; |
---|
99 | const char* name; |
---|
100 | rtems_id task; |
---|
101 | rtems_id master; |
---|
102 | int test; |
---|
103 | rtems_device_major_number major; |
---|
104 | rtems_device_minor_number minor; |
---|
105 | bool passed; |
---|
106 | } bdbuf_task_control; |
---|
107 | |
---|
108 | #define BDBUF_TEST_TASKS (3) |
---|
109 | |
---|
110 | /** |
---|
111 | * Seconds as milli-seconds. |
---|
112 | */ |
---|
113 | #define BDBUF_SECONDS(msec) ((msec) * 1000UL) |
---|
114 | |
---|
115 | /** |
---|
116 | * Print a message to output and flush it. |
---|
117 | * |
---|
118 | * @param format The format string. See printf for details. |
---|
119 | * @param ... The arguments for the format text. |
---|
120 | * @return int The number of bytes written to the output. |
---|
121 | */ |
---|
122 | static int |
---|
123 | bdbuf_test_printf (const char *format, ...) |
---|
124 | { |
---|
125 | int ret = 0; |
---|
126 | va_list args; |
---|
127 | va_start (args, format); |
---|
128 | ret = vfprintf (stdout, format, args); |
---|
129 | fflush (stdout); |
---|
130 | return ret; |
---|
131 | } |
---|
132 | |
---|
133 | /** |
---|
134 | * Print the status code description and return true if true. |
---|
135 | * |
---|
136 | * @param sc The RTEMS status code. |
---|
137 | * @retval true The status code is successful. |
---|
138 | * @retval false The status code is not successful. |
---|
139 | */ |
---|
140 | static bool |
---|
141 | bdbuf_test_print_sc (rtems_status_code sc, bool newline) |
---|
142 | { |
---|
143 | if (newline) |
---|
144 | fprintf (stdout, "%s\n", rtems_status_text (sc)); |
---|
145 | else |
---|
146 | fprintf (stdout, "%s", rtems_status_text (sc)); |
---|
147 | return sc == RTEMS_SUCCESSFUL; |
---|
148 | } |
---|
149 | |
---|
150 | /** |
---|
151 | * BDBuf disk device driver lock. |
---|
152 | */ |
---|
153 | static bool |
---|
154 | bdbuf_disk_lock (bdbuf_disk* bdd) |
---|
155 | { |
---|
156 | rtems_status_code sc; |
---|
157 | sc = rtems_semaphore_obtain (bdd->lock, RTEMS_WAIT, 0); |
---|
158 | if (sc != RTEMS_SUCCESSFUL) |
---|
159 | { |
---|
160 | bdbuf_test_printf ("disk ioctl: lock failed: "); |
---|
161 | bdbuf_test_print_sc (sc, true); |
---|
162 | return false; |
---|
163 | } |
---|
164 | return true; |
---|
165 | } |
---|
166 | |
---|
167 | /** |
---|
168 | * BDBuf disk device driver unlock. |
---|
169 | */ |
---|
170 | static bool |
---|
171 | bdbuf_disk_unlock (bdbuf_disk* bdd) |
---|
172 | { |
---|
173 | rtems_status_code sc; |
---|
174 | sc = rtems_semaphore_release (bdd->lock); |
---|
175 | if (sc != RTEMS_SUCCESSFUL) |
---|
176 | { |
---|
177 | bdbuf_test_printf ("disk ioctl: unlock failed: "); |
---|
178 | bdbuf_test_print_sc (sc, true); |
---|
179 | return false; |
---|
180 | } |
---|
181 | return true; |
---|
182 | } |
---|
183 | |
---|
184 | /** |
---|
185 | * BDBUf wait for the wait event. |
---|
186 | */ |
---|
187 | rtems_status_code |
---|
188 | bdbuf_wait (const char* who, unsigned long timeout) |
---|
189 | { |
---|
190 | rtems_status_code sc; |
---|
191 | rtems_event_set out; |
---|
192 | sc = rtems_event_receive (RTEMS_EVENT_0, |
---|
193 | RTEMS_WAIT | RTEMS_EVENT_ANY, |
---|
194 | TOD_MICROSECONDS_TO_TICKS (timeout * 1000), |
---|
195 | &out); |
---|
196 | if (sc != RTEMS_SUCCESSFUL) |
---|
197 | { |
---|
198 | bdbuf_test_printf ("%s: wait: receive failed: ", who); |
---|
199 | bdbuf_test_print_sc (sc, true); |
---|
200 | } |
---|
201 | else if ((out & RTEMS_EVENT_0) == 0) |
---|
202 | { |
---|
203 | bdbuf_test_printf ("%s: wait: received wrong event: %08x", who, out); |
---|
204 | } |
---|
205 | return sc; |
---|
206 | } |
---|
207 | |
---|
208 | /** |
---|
209 | * BDBUf send wait event. |
---|
210 | */ |
---|
211 | static bool |
---|
212 | bdbuf_send_wait_event (const char* task, const char* msg, rtems_id id) |
---|
213 | { |
---|
214 | bdbuf_test_printf ("%s: %s: %08x: ", task, msg, id); |
---|
215 | return bdbuf_test_print_sc (rtems_event_send (id, RTEMS_EVENT_0), true); |
---|
216 | } |
---|
217 | |
---|
218 | /** |
---|
219 | * BDBUf wait for the wait event. |
---|
220 | */ |
---|
221 | static rtems_status_code |
---|
222 | bdbuf_watch (unsigned long timeout) |
---|
223 | { |
---|
224 | rtems_status_code sc; |
---|
225 | rtems_event_set out; |
---|
226 | sc = rtems_event_receive (RTEMS_EVENT_1, |
---|
227 | RTEMS_WAIT | RTEMS_EVENT_ANY, |
---|
228 | TOD_MICROSECONDS_TO_TICKS (timeout * 1000), |
---|
229 | &out); |
---|
230 | if (sc != RTEMS_SUCCESSFUL) |
---|
231 | { |
---|
232 | bdbuf_test_printf ("watch: receive failed: "); |
---|
233 | bdbuf_test_print_sc (sc, true); |
---|
234 | } |
---|
235 | else if ((out & RTEMS_EVENT_1) == 0) |
---|
236 | { |
---|
237 | bdbuf_test_printf ("watch: received wrong event: %08x", out); |
---|
238 | } |
---|
239 | return sc; |
---|
240 | } |
---|
241 | |
---|
242 | /** |
---|
243 | * BDBUf send wait event. |
---|
244 | */ |
---|
245 | static bool |
---|
246 | bdbuf_send_watch_event (const char* task, const char* msg, rtems_id id) |
---|
247 | { |
---|
248 | bdbuf_test_printf ("%s: %s: %08x: ", task, msg, id); |
---|
249 | return bdbuf_test_print_sc (rtems_event_send (id, RTEMS_EVENT_1), true); |
---|
250 | } |
---|
251 | |
---|
252 | /** |
---|
253 | * Set up a disk driver watch. |
---|
254 | */ |
---|
255 | static void |
---|
256 | bdbuf_set_disk_driver_watch (bdbuf_task_control* tc, int count) |
---|
257 | { |
---|
258 | /* |
---|
259 | * Set up a disk watch and wait for the write to happen. |
---|
260 | */ |
---|
261 | bdbuf_disk_lock (&bdbuf_disks[tc->minor]); |
---|
262 | bdbuf_disks[tc->minor].watcher_name = tc->name; |
---|
263 | bdbuf_disks[tc->minor].watcher = tc->task; |
---|
264 | bdbuf_disks[tc->minor].watch_count = count; |
---|
265 | bdbuf_disk_unlock (&bdbuf_disks[tc->minor]); |
---|
266 | } |
---|
267 | |
---|
268 | /** |
---|
269 | * Clear the disk driver watch. |
---|
270 | */ |
---|
271 | static void |
---|
272 | bdbuf_clear_disk_driver_watch (bdbuf_task_control* tc) |
---|
273 | { |
---|
274 | /* |
---|
275 | * Set up a disk watch and wait for the write to happen. |
---|
276 | */ |
---|
277 | bdbuf_disk_lock (&bdbuf_disks[tc->minor]); |
---|
278 | bdbuf_disks[tc->minor].watcher_name = 0; |
---|
279 | bdbuf_disks[tc->minor].watcher = 0; |
---|
280 | bdbuf_disks[tc->minor].watch_count = 0; |
---|
281 | bdbuf_disk_unlock (&bdbuf_disks[tc->minor]); |
---|
282 | } |
---|
283 | |
---|
284 | /** |
---|
285 | * Wait for the disk driver watch. |
---|
286 | */ |
---|
287 | static bool |
---|
288 | bdbuf_disk_driver_watch_wait (bdbuf_task_control* tc, unsigned long msecs) |
---|
289 | { |
---|
290 | bool passed = true; |
---|
291 | rtems_status_code sc = bdbuf_watch (msecs); |
---|
292 | if (sc != RTEMS_SUCCESSFUL) |
---|
293 | { |
---|
294 | bdbuf_test_printf ("%s: driver watch: driver wait: ", tc->name); |
---|
295 | passed = bdbuf_test_print_sc (sc, true); |
---|
296 | } |
---|
297 | bdbuf_clear_disk_driver_watch (tc); |
---|
298 | return passed; |
---|
299 | } |
---|
300 | |
---|
301 | /** |
---|
302 | * Set the disk driver action. |
---|
303 | */ |
---|
304 | static void |
---|
305 | bdbuf_set_disk_driver_action (bdbuf_task_control* tc, bdbuf_disk_action action) |
---|
306 | { |
---|
307 | /* |
---|
308 | * Set up a disk action. |
---|
309 | */ |
---|
310 | bdbuf_disk_lock (&bdbuf_disks[tc->minor]); |
---|
311 | bdbuf_disks[tc->minor].driver_action = action; |
---|
312 | bdbuf_disk_unlock (&bdbuf_disks[tc->minor]); |
---|
313 | } |
---|
314 | |
---|
315 | /** |
---|
316 | * BDBUF Sleep. |
---|
317 | */ |
---|
318 | static bool |
---|
319 | bdbuf_sleep (unsigned long msecs) |
---|
320 | { |
---|
321 | rtems_status_code sc; |
---|
322 | sc = rtems_task_wake_after (TOD_MICROSECONDS_TO_TICKS (msecs * 1000)); |
---|
323 | if (sc != RTEMS_SUCCESSFUL) |
---|
324 | { |
---|
325 | bdbuf_test_printf ("sleep wake after failed: "); |
---|
326 | bdbuf_test_print_sc (sc, true); |
---|
327 | return false; |
---|
328 | } |
---|
329 | return true; |
---|
330 | } |
---|
331 | |
---|
332 | /** |
---|
333 | * Initialise a task control. |
---|
334 | */ |
---|
335 | static void |
---|
336 | bdbuf_task_control_init (int task, |
---|
337 | bdbuf_task_control* tc, |
---|
338 | rtems_id master, |
---|
339 | rtems_device_major_number major) |
---|
340 | { |
---|
341 | char name[6]; |
---|
342 | sprintf (name, "bdt%d", task); |
---|
343 | |
---|
344 | tc->die = false; |
---|
345 | tc->name = strdup (name); /* leaks */ |
---|
346 | tc->task = 0; |
---|
347 | tc->master = master; |
---|
348 | tc->test = 0; |
---|
349 | tc->major = major; |
---|
350 | tc->minor = 0; |
---|
351 | tc->passed = false; |
---|
352 | } |
---|
353 | |
---|
354 | static bool |
---|
355 | bdbuf_disk_ioctl_watcher (bdbuf_disk* bdd, int update) |
---|
356 | { |
---|
357 | /* |
---|
358 | * Always wake the watcher. |
---|
359 | */ |
---|
360 | if (bdd->watcher) |
---|
361 | { |
---|
362 | if (bdd->watch_count) |
---|
363 | { |
---|
364 | if (update > bdd->watch_count) |
---|
365 | bdd->watch_count -= update; |
---|
366 | else |
---|
367 | bdd->watch_count = 0; |
---|
368 | } |
---|
369 | |
---|
370 | if (bdd->watch_count == 0) |
---|
371 | { |
---|
372 | bdbuf_send_watch_event (bdd->watcher_name, |
---|
373 | "disk ioctl: wake watcher", |
---|
374 | bdd->watcher); |
---|
375 | bdd->watcher = 0; |
---|
376 | } |
---|
377 | } |
---|
378 | |
---|
379 | return true; |
---|
380 | } |
---|
381 | |
---|
382 | |
---|
383 | static bool |
---|
384 | bdbuf_disk_ioctl_process (bdbuf_disk* bdd, rtems_blkdev_request* req) |
---|
385 | { |
---|
386 | bool result = true; |
---|
387 | int b; |
---|
388 | |
---|
389 | /* |
---|
390 | * Perform the requested action. |
---|
391 | */ |
---|
392 | switch (bdd->driver_action) |
---|
393 | { |
---|
394 | case BDBUF_DISK_NOOP: |
---|
395 | break; |
---|
396 | |
---|
397 | case BDBUF_DISK_WAIT: |
---|
398 | if (bdd->waiting) |
---|
399 | bdbuf_test_printf ("disk ioctl: bad waiter: %s:%08x\n", |
---|
400 | bdd->waiting_name, bdd->waiting); |
---|
401 | bdd->waiting_name = "bdd"; |
---|
402 | |
---|
403 | bdd->waiting = rtems_task_self (); |
---|
404 | |
---|
405 | if (bdbuf_disk_unlock (bdd)) |
---|
406 | result = bdbuf_wait (bdd->name, 0) == RTEMS_SUCCESSFUL; |
---|
407 | else |
---|
408 | result = false; |
---|
409 | |
---|
410 | /* |
---|
411 | * Ignore any error if one happens. |
---|
412 | */ |
---|
413 | bdbuf_disk_lock (bdd); |
---|
414 | break; |
---|
415 | |
---|
416 | case BDBUF_DISK_SLEEP: |
---|
417 | bdbuf_test_printf ("disk ioctl: sleeping: %d msecs\n", |
---|
418 | bdd->driver_sleep); |
---|
419 | result = bdbuf_sleep (bdd->driver_sleep); |
---|
420 | break; |
---|
421 | |
---|
422 | case BDBUF_DISK_BLOCKS_INORDER: |
---|
423 | bdbuf_test_printf ("disk ioctl: multi-block order check: count = %d\n", |
---|
424 | req->bufnum); |
---|
425 | for (b = 0; b < (req->bufnum - 1); b++) |
---|
426 | if (req->bufs[b].block >= req->bufs[b + 1].block) |
---|
427 | bdbuf_test_printf ("disk ioctl: out of order: index:%d (%d >= %d\n", |
---|
428 | b, req->bufs[b].block, req->bufs[b + 1].block); |
---|
429 | break; |
---|
430 | |
---|
431 | default: |
---|
432 | bdbuf_test_printf ("disk ioctl: invalid action: %d\n", |
---|
433 | bdd->driver_action); |
---|
434 | result = false; |
---|
435 | break; |
---|
436 | } |
---|
437 | |
---|
438 | return result; |
---|
439 | } |
---|
440 | |
---|
441 | static bool |
---|
442 | bdbuf_disk_ioctl_leave (bdbuf_disk* bdd, int buffer_count) |
---|
443 | { |
---|
444 | /* |
---|
445 | * Handle the watcher. |
---|
446 | */ |
---|
447 | bdbuf_disk_ioctl_watcher (bdd, buffer_count); |
---|
448 | |
---|
449 | return true; |
---|
450 | } |
---|
451 | |
---|
452 | /** |
---|
453 | * BDBuf disk IOCTL handler. |
---|
454 | * |
---|
455 | * @param dd Disk device. |
---|
456 | * @param req IOCTL request code. |
---|
457 | * @param argp IOCTL argument. |
---|
458 | * @retval The IOCTL return value |
---|
459 | */ |
---|
460 | static int |
---|
461 | bdbuf_disk_ioctl (rtems_disk_device *dd, uint32_t req, void* argp) |
---|
462 | { |
---|
463 | rtems_blkdev_request *r = argp; |
---|
464 | bdbuf_disk *bdd = rtems_disk_driver_data (dd); |
---|
465 | |
---|
466 | errno = 0; |
---|
467 | |
---|
468 | if (!bdbuf_disk_lock (bdd)) |
---|
469 | { |
---|
470 | errno = EIO; |
---|
471 | } |
---|
472 | else |
---|
473 | { |
---|
474 | switch (req) |
---|
475 | { |
---|
476 | case RTEMS_BLKIO_REQUEST: |
---|
477 | switch (r->req) |
---|
478 | { |
---|
479 | case RTEMS_BLKDEV_REQ_READ: |
---|
480 | if (!bdbuf_disk_ioctl_process (bdd, r)) |
---|
481 | errno = EIO; |
---|
482 | else |
---|
483 | { |
---|
484 | rtems_blkdev_sg_buffer* sg = r->bufs; |
---|
485 | uint32_t block = RTEMS_BLKDEV_START_BLOCK (r); |
---|
486 | uint32_t b; |
---|
487 | int32_t remains; |
---|
488 | |
---|
489 | remains = r->bufnum * bdd->block_size; |
---|
490 | |
---|
491 | for (b = 0; b < r->bufnum; b++, block++, sg++) |
---|
492 | { |
---|
493 | uint32_t length = sg->length; |
---|
494 | |
---|
495 | if (sg->length != bdd->block_size) |
---|
496 | if (length > bdd->block_size) |
---|
497 | length = bdd->block_size; |
---|
498 | |
---|
499 | memset (sg->buffer, block, length); |
---|
500 | |
---|
501 | remains -= length; |
---|
502 | } |
---|
503 | |
---|
504 | r->req_done (r->done_arg, RTEMS_SUCCESSFUL, 0); |
---|
505 | } |
---|
506 | bdbuf_disk_ioctl_leave (bdd, r->bufnum); |
---|
507 | break; |
---|
508 | |
---|
509 | case RTEMS_BLKDEV_REQ_WRITE: |
---|
510 | if (!bdbuf_disk_ioctl_process (bdd, r)) |
---|
511 | errno = EIO; |
---|
512 | r->req_done (r->done_arg, RTEMS_SUCCESSFUL, 0); |
---|
513 | bdbuf_disk_ioctl_leave (bdd, r->bufnum); |
---|
514 | break; |
---|
515 | |
---|
516 | default: |
---|
517 | errno = EBADRQC; |
---|
518 | break; |
---|
519 | } |
---|
520 | break; |
---|
521 | |
---|
522 | default: |
---|
523 | errno = EBADRQC; |
---|
524 | break; |
---|
525 | } |
---|
526 | |
---|
527 | if (!bdbuf_disk_unlock (bdd)) |
---|
528 | errno = EIO; |
---|
529 | } |
---|
530 | |
---|
531 | return errno == 0 ? 0 : -1; |
---|
532 | } |
---|
533 | |
---|
534 | /** |
---|
535 | * BDBuf disk device driver initialization. |
---|
536 | * |
---|
537 | * @param major Disk major device number. |
---|
538 | * @param minor Minor device number, not applicable. |
---|
539 | * @param arg Initialization argument, not applicable. |
---|
540 | */ |
---|
541 | static rtems_device_driver |
---|
542 | bdbuf_disk_initialize (rtems_device_major_number major, |
---|
543 | rtems_device_minor_number minor, |
---|
544 | void* arg) |
---|
545 | { |
---|
546 | rtems_status_code sc; |
---|
547 | |
---|
548 | bdbuf_test_printf ("disk io init: "); |
---|
549 | sc = rtems_disk_io_initialize (); |
---|
550 | if (!bdbuf_test_print_sc (sc, true)) |
---|
551 | return sc; |
---|
552 | |
---|
553 | for (minor = 0; minor < BDBUF_DISKS; minor++) |
---|
554 | { |
---|
555 | char name[sizeof (BDBUF_DISK_DEVICE_BASE_NAME) + 10]; |
---|
556 | bdbuf_disk* bdd = &bdbuf_disks[minor]; |
---|
557 | rtems_status_code sc; |
---|
558 | |
---|
559 | snprintf (name, sizeof (name), |
---|
560 | BDBUF_DISK_DEVICE_BASE_NAME "%" PRIu32, minor); |
---|
561 | |
---|
562 | bdd->name = strdup (name); |
---|
563 | |
---|
564 | bdbuf_test_printf ("disk init: %s\n", bdd->name); |
---|
565 | bdbuf_test_printf ("disk lock: "); |
---|
566 | |
---|
567 | sc = rtems_semaphore_create (rtems_build_name ('B', 'D', 'D', 'K'), 1, |
---|
568 | RTEMS_PRIORITY | RTEMS_BINARY_SEMAPHORE | |
---|
569 | RTEMS_INHERIT_PRIORITY, 0, &bdd->lock); |
---|
570 | if (!bdbuf_test_print_sc (sc, true)) |
---|
571 | return RTEMS_IO_ERROR; |
---|
572 | |
---|
573 | bdd->block_size = 512 * (minor + 1); |
---|
574 | bdd->block_count = BDBUF_SIZE * (minor + 1); |
---|
575 | |
---|
576 | sc = rtems_disk_create_phys(rtems_filesystem_make_dev_t (major, minor), |
---|
577 | bdd->block_size, bdd->block_count, |
---|
578 | bdbuf_disk_ioctl, bdd, name); |
---|
579 | if (sc != RTEMS_SUCCESSFUL) |
---|
580 | { |
---|
581 | bdbuf_test_printf ("disk init: create phys failed: "); |
---|
582 | bdbuf_test_print_sc (sc, true); |
---|
583 | return sc; |
---|
584 | } |
---|
585 | |
---|
586 | } |
---|
587 | return RTEMS_SUCCESSFUL; |
---|
588 | } |
---|
589 | |
---|
590 | /** |
---|
591 | * Create the RAM Disk Driver entry. |
---|
592 | */ |
---|
593 | static rtems_driver_address_table bdbuf_disk_io_ops = { |
---|
594 | initialization_entry: bdbuf_disk_initialize, |
---|
595 | open_entry: rtems_blkdev_generic_open, |
---|
596 | close_entry: rtems_blkdev_generic_close, |
---|
597 | read_entry: rtems_blkdev_generic_read, |
---|
598 | write_entry: rtems_blkdev_generic_write, |
---|
599 | control_entry: rtems_blkdev_generic_ioctl |
---|
600 | }; |
---|
601 | |
---|
602 | /** |
---|
603 | * Set up the disk. |
---|
604 | */ |
---|
605 | |
---|
606 | static bool |
---|
607 | bdbuf_tests_setup_disk (rtems_device_major_number* major) |
---|
608 | { |
---|
609 | rtems_status_code sc; |
---|
610 | |
---|
611 | /* |
---|
612 | * Register the disk driver. |
---|
613 | */ |
---|
614 | bdbuf_test_printf ("register disk driver\n"); |
---|
615 | |
---|
616 | sc = rtems_io_register_driver (RTEMS_DRIVER_AUTO_MAJOR, |
---|
617 | &bdbuf_disk_io_ops, |
---|
618 | major); |
---|
619 | |
---|
620 | return sc == RTEMS_SUCCESSFUL; |
---|
621 | } |
---|
622 | |
---|
623 | static bool |
---|
624 | bdbuf_tests_create_task (bdbuf_task_control* tc, |
---|
625 | rtems_task_priority priority, |
---|
626 | rtems_task_entry entry_point) |
---|
627 | { |
---|
628 | rtems_status_code sc; |
---|
629 | |
---|
630 | bdbuf_test_printf ("creating task: %s: priority: %d: ", |
---|
631 | tc->name, priority); |
---|
632 | |
---|
633 | sc = rtems_task_create (rtems_build_name (tc->name[0], tc->name[1], |
---|
634 | tc->name[2], tc->name[3]), |
---|
635 | priority, |
---|
636 | 8 * 1024, |
---|
637 | RTEMS_NO_FLOATING_POINT | RTEMS_LOCAL, |
---|
638 | RTEMS_PREEMPT | RTEMS_NO_TIMESLICE | RTEMS_NO_ASR, |
---|
639 | &tc->task); |
---|
640 | if (!bdbuf_test_print_sc (sc, true)) |
---|
641 | return false; |
---|
642 | |
---|
643 | bdbuf_test_printf ("starting task: %s: ", tc->name); |
---|
644 | |
---|
645 | sc = rtems_task_start (tc->task, entry_point, (rtems_task_argument) tc); |
---|
646 | |
---|
647 | return bdbuf_test_print_sc (sc, true); |
---|
648 | } |
---|
649 | |
---|
650 | /** |
---|
651 | * Get the block 0 buffer twice. The first time it is requested it |
---|
652 | * will be taken from the empty list and returned to the LRU list. |
---|
653 | * The second time it will be removed from the LRU list. |
---|
654 | */ |
---|
655 | static void |
---|
656 | bdbuf_tests_task_0_test_1 (bdbuf_task_control* tc) |
---|
657 | { |
---|
658 | rtems_status_code sc; |
---|
659 | bool passed; |
---|
660 | int i; |
---|
661 | rtems_bdbuf_buffer* bd; |
---|
662 | |
---|
663 | /* |
---|
664 | * Set task control's passed to false to handle a timeout. |
---|
665 | */ |
---|
666 | tc->passed = false; |
---|
667 | passed = true; |
---|
668 | |
---|
669 | for (i = 0; (i < 2) && passed; i++) |
---|
670 | { |
---|
671 | dev_t device = rtems_filesystem_make_dev_t (tc->major, tc->minor); |
---|
672 | |
---|
673 | bdbuf_test_printf ("%s: rtems_bdbuf_get[0]: ", tc->name); |
---|
674 | sc = rtems_bdbuf_get (device, 0, &bd); |
---|
675 | if (!bdbuf_test_print_sc (sc, true)) |
---|
676 | { |
---|
677 | passed = false; |
---|
678 | break; |
---|
679 | } |
---|
680 | |
---|
681 | bdbuf_test_printf ("%s: rtems_bdbuf_release[0]: ", tc->name); |
---|
682 | sc = rtems_bdbuf_release (bd); |
---|
683 | if (!bdbuf_test_print_sc (sc, true)) |
---|
684 | { |
---|
685 | passed = false; |
---|
686 | break; |
---|
687 | } |
---|
688 | } |
---|
689 | |
---|
690 | tc->passed = passed; |
---|
691 | tc->test = 0; |
---|
692 | } |
---|
693 | |
---|
694 | /** |
---|
695 | * Get the blocks 0 -> 4 and hold them. Wake the master to tell it was have the |
---|
696 | * buffers then wait for the master to tell us to release a single buffer. |
---|
697 | * Task 1 will be block waiting for each buffer. It is a higher priority. |
---|
698 | */ |
---|
699 | static void |
---|
700 | bdbuf_tests_task_0_test_2 (bdbuf_task_control* tc) |
---|
701 | { |
---|
702 | rtems_status_code sc; |
---|
703 | bool passed; |
---|
704 | int i; |
---|
705 | rtems_bdbuf_buffer* bd; |
---|
706 | rtems_chain_control buffers; |
---|
707 | |
---|
708 | /* |
---|
709 | * Set task control's passed to false to handle a timeout. |
---|
710 | */ |
---|
711 | tc->passed = false; |
---|
712 | passed = true; |
---|
713 | |
---|
714 | /* |
---|
715 | * Get the blocks 0 -> 4 and hold them. |
---|
716 | */ |
---|
717 | rtems_chain_initialize_empty (&buffers); |
---|
718 | |
---|
719 | for (i = 0; (i < 5) && passed; i++) |
---|
720 | { |
---|
721 | dev_t device = rtems_filesystem_make_dev_t (tc->major, tc->minor); |
---|
722 | |
---|
723 | bdbuf_test_printf ("%s: rtems_bdbuf_get[%d]: ", tc->name, i); |
---|
724 | sc = rtems_bdbuf_get (device, i, &bd); |
---|
725 | if (!bdbuf_test_print_sc (sc, true)) |
---|
726 | passed = false; |
---|
727 | |
---|
728 | rtems_chain_append (&buffers, &bd->link); |
---|
729 | } |
---|
730 | |
---|
731 | /* |
---|
732 | * Wake the master to tell it we have the buffers. |
---|
733 | */ |
---|
734 | bdbuf_send_wait_event (tc->name, "wake master", tc->master); |
---|
735 | |
---|
736 | if (passed) |
---|
737 | { |
---|
738 | /* |
---|
739 | * For each buffer we hold wait until the master wakes us |
---|
740 | * and then return it. Task 2 will block waiting for this |
---|
741 | * buffer. It is a higher priority task. |
---|
742 | */ |
---|
743 | for (i = 0; (i < 5) && passed; i++) |
---|
744 | { |
---|
745 | sc = bdbuf_wait (tc->name, BDBUF_SECONDS (5)); |
---|
746 | if (sc != RTEMS_SUCCESSFUL) |
---|
747 | { |
---|
748 | bdbuf_test_printf ("%s: wait failed: ", tc->name); |
---|
749 | bdbuf_test_print_sc (sc, true); |
---|
750 | passed = false; |
---|
751 | break; |
---|
752 | } |
---|
753 | else |
---|
754 | { |
---|
755 | bdbuf_test_printf ("%s: rtems_bdbuf_release[%d]: unblocks task 1\n", |
---|
756 | tc->name, i); |
---|
757 | bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers); |
---|
758 | sc = rtems_bdbuf_release (bd); |
---|
759 | bdbuf_test_printf ("%s: rtems_bdbuf_release[%d]: ", tc->name, i); |
---|
760 | if (!bdbuf_test_print_sc (sc, true)) |
---|
761 | { |
---|
762 | passed = false; |
---|
763 | break; |
---|
764 | } |
---|
765 | } |
---|
766 | } |
---|
767 | } |
---|
768 | |
---|
769 | tc->passed = passed; |
---|
770 | tc->test = 0; |
---|
771 | } |
---|
772 | |
---|
773 | /** |
---|
774 | * Read the block 5 from the disk modify it then release it modified. |
---|
775 | */ |
---|
776 | static void |
---|
777 | bdbuf_tests_task_0_test_3 (bdbuf_task_control* tc) |
---|
778 | { |
---|
779 | rtems_status_code sc; |
---|
780 | bool passed; |
---|
781 | rtems_bdbuf_buffer* bd; |
---|
782 | dev_t device; |
---|
783 | |
---|
784 | /* |
---|
785 | * Set task control's passed to false to handle a timeout. |
---|
786 | */ |
---|
787 | tc->passed = false; |
---|
788 | passed = true; |
---|
789 | |
---|
790 | device = rtems_filesystem_make_dev_t (tc->major, tc->minor); |
---|
791 | |
---|
792 | bdbuf_disk_lock (&bdbuf_disks[tc->minor]); |
---|
793 | bdbuf_disks[tc->minor].driver_action = BDBUF_DISK_NOOP; |
---|
794 | bdbuf_disk_unlock (&bdbuf_disks[tc->minor]); |
---|
795 | |
---|
796 | /* |
---|
797 | * Read the buffer and then release it. |
---|
798 | */ |
---|
799 | bdbuf_test_printf ("%s: rtems_bdbuf_read[5]: ", tc->name); |
---|
800 | sc = rtems_bdbuf_read (device, 5, &bd); |
---|
801 | if ((passed = bdbuf_test_print_sc (sc, true))) |
---|
802 | { |
---|
803 | bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[5]: ", tc->name); |
---|
804 | sc = rtems_bdbuf_release_modified (bd); |
---|
805 | passed = bdbuf_test_print_sc (sc, true); |
---|
806 | } |
---|
807 | |
---|
808 | /* |
---|
809 | * Read the buffer again and then just release. The buffer should |
---|
810 | * be maintained as modified. |
---|
811 | */ |
---|
812 | bdbuf_test_printf ("%s: rtems_bdbuf_read[5]: ", tc->name); |
---|
813 | sc = rtems_bdbuf_read (device, 5, &bd); |
---|
814 | if ((passed = bdbuf_test_print_sc (sc, true))) |
---|
815 | { |
---|
816 | bdbuf_test_printf ("%s: rtems_bdbuf_release[5]: ", tc->name); |
---|
817 | sc = rtems_bdbuf_release (bd); |
---|
818 | passed = bdbuf_test_print_sc (sc, true); |
---|
819 | } |
---|
820 | |
---|
821 | /* |
---|
822 | * Set up a disk watch and wait for the write to happen. |
---|
823 | */ |
---|
824 | bdbuf_set_disk_driver_watch (tc, 1); |
---|
825 | passed = bdbuf_disk_driver_watch_wait (tc, BDBUF_SECONDS (5)); |
---|
826 | |
---|
827 | tc->passed = passed; |
---|
828 | tc->test = 0; |
---|
829 | } |
---|
830 | |
---|
831 | static size_t |
---|
832 | bdbuf_test_buffer_count (void) |
---|
833 | { |
---|
834 | return rtems_bdbuf_configuration.size / rtems_bdbuf_configuration.buffer_min; |
---|
835 | } |
---|
836 | |
---|
837 | /** |
---|
838 | * Get all the blocks in the pool and hold them. Wake the master to tell it was |
---|
839 | * have the buffers then wait for the master to tell us to release them. |
---|
840 | */ |
---|
841 | static void |
---|
842 | bdbuf_tests_task_0_test_4 (bdbuf_task_control* tc) |
---|
843 | { |
---|
844 | rtems_status_code sc; |
---|
845 | bool passed; |
---|
846 | size_t i; |
---|
847 | rtems_bdbuf_buffer* bd; |
---|
848 | rtems_chain_control buffers; |
---|
849 | size_t num = bdbuf_test_buffer_count (); |
---|
850 | |
---|
851 | /* |
---|
852 | * Set task control's passed to false to handle a timeout. |
---|
853 | */ |
---|
854 | tc->passed = false; |
---|
855 | passed = true; |
---|
856 | |
---|
857 | /* |
---|
858 | * Clear any disk settings. |
---|
859 | */ |
---|
860 | bdbuf_clear_disk_driver_watch (tc); |
---|
861 | bdbuf_set_disk_driver_action (tc, BDBUF_DISK_NOOP); |
---|
862 | |
---|
863 | /* |
---|
864 | * Get the blocks 0 -> 4 and hold them. |
---|
865 | */ |
---|
866 | rtems_chain_initialize_empty (&buffers); |
---|
867 | |
---|
868 | for (i = 0; (i < num) && passed; i++) |
---|
869 | { |
---|
870 | dev_t device = rtems_filesystem_make_dev_t (tc->major, tc->minor); |
---|
871 | |
---|
872 | bdbuf_test_printf ("%s: rtems_bdbuf_read[%d]: ", tc->name, i); |
---|
873 | sc = rtems_bdbuf_read (device, i, &bd); |
---|
874 | if (!bdbuf_test_print_sc (sc, true)) |
---|
875 | passed = false; |
---|
876 | |
---|
877 | rtems_chain_append (&buffers, &bd->link); |
---|
878 | } |
---|
879 | |
---|
880 | /* |
---|
881 | * Wake the master to tell it we have the buffers. |
---|
882 | */ |
---|
883 | bdbuf_send_wait_event (tc->name, "wake master", tc->master); |
---|
884 | |
---|
885 | if (passed) |
---|
886 | { |
---|
887 | bdbuf_sleep (250); |
---|
888 | |
---|
889 | bdbuf_set_disk_driver_watch (tc, num / 2); |
---|
890 | |
---|
891 | /* |
---|
892 | * Release half the buffers, wait 500msecs then release the |
---|
893 | * remainder. This tests the swap out timer on each buffer. |
---|
894 | */ |
---|
895 | bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[0]: unblocks task 1\n", |
---|
896 | tc->name); |
---|
897 | bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers); |
---|
898 | sc = rtems_bdbuf_release_modified (bd); |
---|
899 | bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[0]: ", tc->name); |
---|
900 | passed = bdbuf_test_print_sc (sc, true); |
---|
901 | if (passed) |
---|
902 | { |
---|
903 | for (i = 1; (i < (num / 2)) && passed; i++) |
---|
904 | { |
---|
905 | bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[%d]: " \ |
---|
906 | "unblocks task 1\n", tc->name, i); |
---|
907 | bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers); |
---|
908 | sc = rtems_bdbuf_release_modified (bd); |
---|
909 | bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[%d]: ", |
---|
910 | tc->name, i); |
---|
911 | passed = bdbuf_test_print_sc (sc, true); |
---|
912 | if (!passed) |
---|
913 | break; |
---|
914 | } |
---|
915 | |
---|
916 | if (passed) |
---|
917 | { |
---|
918 | passed = bdbuf_disk_driver_watch_wait (tc, BDBUF_SECONDS (5)); |
---|
919 | |
---|
920 | if (passed) |
---|
921 | { |
---|
922 | bdbuf_sleep (500); |
---|
923 | |
---|
924 | bdbuf_set_disk_driver_watch (tc, num / 2); |
---|
925 | |
---|
926 | for (i = 0; (i < (num / 2)) && passed; i++) |
---|
927 | { |
---|
928 | bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[%d]: ", |
---|
929 | tc->name, i + (num / 2)); |
---|
930 | bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers); |
---|
931 | passed = bdbuf_test_print_sc (rtems_bdbuf_release_modified (bd), |
---|
932 | true); |
---|
933 | if (!passed) |
---|
934 | break; |
---|
935 | } |
---|
936 | |
---|
937 | passed = bdbuf_disk_driver_watch_wait (tc, BDBUF_SECONDS (5)); |
---|
938 | |
---|
939 | if (passed) |
---|
940 | { |
---|
941 | if (!rtems_chain_is_empty (&buffers)) |
---|
942 | { |
---|
943 | passed = false; |
---|
944 | bdbuf_test_printf ("%s: buffer chain not empty\n", tc->name); |
---|
945 | } |
---|
946 | } |
---|
947 | } |
---|
948 | } |
---|
949 | } |
---|
950 | } |
---|
951 | |
---|
952 | tc->passed = passed; |
---|
953 | tc->test = 0; |
---|
954 | } |
---|
955 | |
---|
956 | static void |
---|
957 | bdbuf_tests_task_0_test_5 (bdbuf_task_control* tc) |
---|
958 | { |
---|
959 | bdbuf_tests_task_0_test_4 (tc); |
---|
960 | } |
---|
961 | |
---|
962 | static void |
---|
963 | bdbuf_tests_task_0_test_6 (bdbuf_task_control* tc) |
---|
964 | { |
---|
965 | rtems_status_code sc; |
---|
966 | bool passed; |
---|
967 | int i; |
---|
968 | rtems_bdbuf_buffer* bd; |
---|
969 | rtems_chain_control buffers; |
---|
970 | |
---|
971 | /* |
---|
972 | * Set task control's passed to false to handle a timeout. |
---|
973 | */ |
---|
974 | tc->passed = false; |
---|
975 | passed = true; |
---|
976 | |
---|
977 | /* |
---|
978 | * Clear any disk settings. |
---|
979 | */ |
---|
980 | bdbuf_clear_disk_driver_watch (tc); |
---|
981 | bdbuf_set_disk_driver_action (tc, BDBUF_DISK_NOOP); |
---|
982 | |
---|
983 | /* |
---|
984 | * Get the blocks 0 -> 4 and hold them. |
---|
985 | */ |
---|
986 | rtems_chain_initialize_empty (&buffers); |
---|
987 | |
---|
988 | for (i = 0; (i < 5) && passed; i++) |
---|
989 | { |
---|
990 | dev_t device = rtems_filesystem_make_dev_t (tc->major, tc->minor); |
---|
991 | |
---|
992 | bdbuf_test_printf ("%s: rtems_bdbuf_read[%d]: ", tc->name, i); |
---|
993 | sc = rtems_bdbuf_get (device, i, &bd); |
---|
994 | if (!bdbuf_test_print_sc (sc, true)) |
---|
995 | passed = false; |
---|
996 | |
---|
997 | rtems_chain_append (&buffers, &bd->link); |
---|
998 | } |
---|
999 | |
---|
1000 | for (i = 0; (i < 4) && passed; i++) |
---|
1001 | { |
---|
1002 | bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[%d]: ", |
---|
1003 | tc->name, i); |
---|
1004 | bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers); |
---|
1005 | passed = bdbuf_test_print_sc (rtems_bdbuf_release_modified (bd), |
---|
1006 | true); |
---|
1007 | } |
---|
1008 | |
---|
1009 | if (passed) |
---|
1010 | { |
---|
1011 | bdbuf_test_printf ("%s: rtems_bdbuf_sync[%d]: ", tc->name, i); |
---|
1012 | bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers); |
---|
1013 | |
---|
1014 | passed = bdbuf_test_print_sc (rtems_bdbuf_sync (bd), true); |
---|
1015 | } |
---|
1016 | |
---|
1017 | tc->passed = passed; |
---|
1018 | tc->test = 0; |
---|
1019 | } |
---|
1020 | |
---|
1021 | static void |
---|
1022 | bdbuf_tests_task_0_test_7 (bdbuf_task_control* tc) |
---|
1023 | { |
---|
1024 | rtems_status_code sc; |
---|
1025 | bool passed; |
---|
1026 | int i; |
---|
1027 | rtems_bdbuf_buffer* bd; |
---|
1028 | rtems_chain_control buffers; |
---|
1029 | dev_t device; |
---|
1030 | |
---|
1031 | /* |
---|
1032 | * Set task control's passed to false to handle a timeout. |
---|
1033 | */ |
---|
1034 | tc->passed = false; |
---|
1035 | passed = true; |
---|
1036 | |
---|
1037 | /* |
---|
1038 | * Clear any disk settings. |
---|
1039 | */ |
---|
1040 | bdbuf_clear_disk_driver_watch (tc); |
---|
1041 | bdbuf_set_disk_driver_action (tc, BDBUF_DISK_NOOP); |
---|
1042 | |
---|
1043 | device = rtems_filesystem_make_dev_t (tc->major, tc->minor); |
---|
1044 | |
---|
1045 | /* |
---|
1046 | * Get the blocks 0 -> 4 and hold them. |
---|
1047 | */ |
---|
1048 | rtems_chain_initialize_empty (&buffers); |
---|
1049 | |
---|
1050 | for (i = 0; (i < 5) && passed; i++) |
---|
1051 | { |
---|
1052 | bdbuf_test_printf ("%s: rtems_bdbuf_read[%d]: ", tc->name, i); |
---|
1053 | sc = rtems_bdbuf_get (device, i, &bd); |
---|
1054 | if (!bdbuf_test_print_sc (sc, true)) |
---|
1055 | passed = false; |
---|
1056 | |
---|
1057 | rtems_chain_append (&buffers, &bd->link); |
---|
1058 | } |
---|
1059 | |
---|
1060 | for (i = 0; (i < 5) && passed; i++) |
---|
1061 | { |
---|
1062 | bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[%d]: ", |
---|
1063 | tc->name, i); |
---|
1064 | bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers); |
---|
1065 | passed = bdbuf_test_print_sc (rtems_bdbuf_release_modified (bd), |
---|
1066 | true); |
---|
1067 | } |
---|
1068 | |
---|
1069 | if (passed) |
---|
1070 | { |
---|
1071 | bdbuf_test_printf ("%s: rtems_bdbuf_syncdev[%d:%d]: ", |
---|
1072 | tc->name, i, |
---|
1073 | rtems_filesystem_dev_major_t (device), |
---|
1074 | rtems_filesystem_dev_minor_t (device)); |
---|
1075 | passed = bdbuf_test_print_sc (rtems_bdbuf_syncdev (device), true); |
---|
1076 | } |
---|
1077 | |
---|
1078 | tc->passed = passed; |
---|
1079 | tc->test = 0; |
---|
1080 | } |
---|
1081 | |
---|
1082 | static void |
---|
1083 | bdbuf_tests_task_0_test_8 (bdbuf_task_control* tc) |
---|
1084 | { |
---|
1085 | rtems_status_code sc; |
---|
1086 | bool passed; |
---|
1087 | int i; |
---|
1088 | rtems_bdbuf_buffer* bd; |
---|
1089 | rtems_chain_control buffers; |
---|
1090 | rtems_chain_node* node; |
---|
1091 | rtems_chain_node* pnode; |
---|
1092 | dev_t device; |
---|
1093 | |
---|
1094 | /* |
---|
1095 | * Set task control's passed to false to handle a timeout. |
---|
1096 | */ |
---|
1097 | tc->passed = false; |
---|
1098 | passed = true; |
---|
1099 | |
---|
1100 | /* |
---|
1101 | * Clear any disk settings. |
---|
1102 | */ |
---|
1103 | bdbuf_clear_disk_driver_watch (tc); |
---|
1104 | bdbuf_set_disk_driver_action (tc, BDBUF_DISK_NOOP); |
---|
1105 | |
---|
1106 | device = rtems_filesystem_make_dev_t (tc->major, tc->minor); |
---|
1107 | |
---|
1108 | /* |
---|
1109 | * Get the blocks 0 -> 4 and hold them. |
---|
1110 | */ |
---|
1111 | rtems_chain_initialize_empty (&buffers); |
---|
1112 | |
---|
1113 | for (i = 0; (i < 5) && passed; i++) |
---|
1114 | { |
---|
1115 | bdbuf_test_printf ("%s: rtems_bdbuf_read[%d]: ", tc->name, i); |
---|
1116 | sc = rtems_bdbuf_get (device, i, &bd); |
---|
1117 | if (!bdbuf_test_print_sc (sc, true)) |
---|
1118 | passed = false; |
---|
1119 | |
---|
1120 | rtems_chain_append (&buffers, &bd->link); |
---|
1121 | } |
---|
1122 | |
---|
1123 | node = rtems_chain_tail (&buffers); |
---|
1124 | node = node->previous; |
---|
1125 | |
---|
1126 | bd = (rtems_bdbuf_buffer*) node; |
---|
1127 | pnode = node->previous; |
---|
1128 | rtems_chain_extract (node); |
---|
1129 | node = pnode; |
---|
1130 | bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[4]: ", tc->name); |
---|
1131 | passed = bdbuf_test_print_sc (rtems_bdbuf_release_modified (bd), true); |
---|
1132 | |
---|
1133 | bd = (rtems_bdbuf_buffer*) node; |
---|
1134 | pnode = node->previous; |
---|
1135 | rtems_chain_extract (node); |
---|
1136 | node = pnode; |
---|
1137 | bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[3]: ", tc->name); |
---|
1138 | passed = bdbuf_test_print_sc (rtems_bdbuf_release_modified (bd), true); |
---|
1139 | |
---|
1140 | for (i = 0; (i < 3) && passed; i++) |
---|
1141 | { |
---|
1142 | bdbuf_test_printf ("%s: rtems_bdbuf_release_modified[%d]: ", |
---|
1143 | tc->name, i); |
---|
1144 | bd = (rtems_bdbuf_buffer*) rtems_chain_get (&buffers); |
---|
1145 | passed = bdbuf_test_print_sc (rtems_bdbuf_release_modified (bd), |
---|
1146 | true); |
---|
1147 | } |
---|
1148 | |
---|
1149 | if (passed) |
---|
1150 | { |
---|
1151 | /* |
---|
1152 | * Check the block order. |
---|
1153 | */ |
---|
1154 | bdbuf_set_disk_driver_action (tc, BDBUF_DISK_BLOCKS_INORDER); |
---|
1155 | |
---|
1156 | bdbuf_test_printf ("%s: rtems_bdbuf_syncdev[%d:%d]: checking order\n", |
---|
1157 | tc->name, i, |
---|
1158 | rtems_filesystem_dev_major_t (device), |
---|
1159 | rtems_filesystem_dev_minor_t (device)); |
---|
1160 | sc = rtems_bdbuf_syncdev (device); |
---|
1161 | bdbuf_test_printf ("%s: rtems_bdbuf_syncdev[%d:%d]: ", |
---|
1162 | tc->name, i, |
---|
1163 | rtems_filesystem_dev_major_t (device), |
---|
1164 | rtems_filesystem_dev_minor_t (device)); |
---|
1165 | passed = bdbuf_test_print_sc (sc, true); |
---|
1166 | } |
---|
1167 | |
---|
1168 | tc->passed = passed; |
---|
1169 | tc->test = 0; |
---|
1170 | } |
---|
1171 | |
---|
1172 | static void |
---|
1173 | bdbuf_tests_task_0 (rtems_task_argument arg) |
---|
1174 | { |
---|
1175 | bdbuf_task_control* tc = (bdbuf_task_control*) arg; |
---|
1176 | |
---|
1177 | while (!tc->die) |
---|
1178 | { |
---|
1179 | switch (tc->test) |
---|
1180 | { |
---|
1181 | case 0: |
---|
1182 | /* |
---|
1183 | * Wait for the next test. |
---|
1184 | */ |
---|
1185 | bdbuf_wait (tc->name, 0); |
---|
1186 | break; |
---|
1187 | |
---|
1188 | case 1: |
---|
1189 | bdbuf_tests_task_0_test_1 (tc); |
---|
1190 | break; |
---|
1191 | |
---|
1192 | case 2: |
---|
1193 | bdbuf_tests_task_0_test_2 (tc); |
---|
1194 | break; |
---|
1195 | |
---|
1196 | case 3: |
---|
1197 | bdbuf_tests_task_0_test_3 (tc); |
---|
1198 | break; |
---|
1199 | |
---|
1200 | case 4: |
---|
1201 | bdbuf_tests_task_0_test_4 (tc); |
---|
1202 | break; |
---|
1203 | |
---|
1204 | case 5: |
---|
1205 | bdbuf_tests_task_0_test_5 (tc); |
---|
1206 | break; |
---|
1207 | |
---|
1208 | case 6: |
---|
1209 | bdbuf_tests_task_0_test_6 (tc); |
---|
1210 | break; |
---|
1211 | |
---|
1212 | case 7: |
---|
1213 | bdbuf_tests_task_0_test_7 (tc); |
---|
1214 | break; |
---|
1215 | |
---|
1216 | case 8: |
---|
1217 | bdbuf_tests_task_0_test_8 (tc); |
---|
1218 | break; |
---|
1219 | |
---|
1220 | default: |
---|
1221 | /* |
---|
1222 | * Invalid test for this task. An error. |
---|
1223 | */ |
---|
1224 | bdbuf_test_printf ("%s: invalid test: %d\n", tc->name, tc->test); |
---|
1225 | tc->passed = false; |
---|
1226 | tc->test = 0; |
---|
1227 | break; |
---|
1228 | } |
---|
1229 | } |
---|
1230 | |
---|
1231 | bdbuf_test_printf ("%s: delete task\n", tc->name); |
---|
1232 | rtems_task_delete (RTEMS_SELF); |
---|
1233 | } |
---|
1234 | |
---|
1235 | /** |
---|
1236 | * Get the blocks 0 -> 4 and release them. Task 0 should be holding |
---|
1237 | * each one. |
---|
1238 | */ |
---|
1239 | static void |
---|
1240 | bdbuf_tests_ranged_get_release (bdbuf_task_control* tc, |
---|
1241 | bool wake_master, |
---|
1242 | int lower, |
---|
1243 | int upper) |
---|
1244 | { |
---|
1245 | rtems_status_code sc; |
---|
1246 | bool passed; |
---|
1247 | int i; |
---|
1248 | rtems_bdbuf_buffer* bd; |
---|
1249 | |
---|
1250 | /* |
---|
1251 | * Set task control's passed to false to handle a timeout. |
---|
1252 | */ |
---|
1253 | tc->passed = false; |
---|
1254 | passed = true; |
---|
1255 | |
---|
1256 | for (i = lower; (i < upper) && passed; i++) |
---|
1257 | { |
---|
1258 | dev_t device = rtems_filesystem_make_dev_t (tc->major, tc->minor); |
---|
1259 | |
---|
1260 | bdbuf_test_printf ("%s: rtems_bdbuf_get[%d]: blocking ...\n", tc->name, i); |
---|
1261 | sc = rtems_bdbuf_get (device, i, &bd); |
---|
1262 | bdbuf_test_printf ("%s: rtems_bdbuf_get[%d]: ", tc->name, i); |
---|
1263 | if (!bdbuf_test_print_sc (sc, true)) |
---|
1264 | { |
---|
1265 | passed = false; |
---|
1266 | break; |
---|
1267 | } |
---|
1268 | |
---|
1269 | bdbuf_test_printf ("%s: rtems_bdbuf_release[%d]: ", tc->name, i); |
---|
1270 | sc = rtems_bdbuf_release (bd); |
---|
1271 | if (!bdbuf_test_print_sc (sc, true)) |
---|
1272 | { |
---|
1273 | passed = false; |
---|
1274 | break; |
---|
1275 | } |
---|
1276 | |
---|
1277 | /* |
---|
1278 | * Wake the master to tell it we have finished. |
---|
1279 | */ |
---|
1280 | if (wake_master) |
---|
1281 | bdbuf_send_wait_event (tc->name, "wake master", tc->master); |
---|
1282 | } |
---|
1283 | |
---|
1284 | tc->passed = passed; |
---|
1285 | tc->test = 0; |
---|
1286 | } |
---|
1287 | |
---|
1288 | static void |
---|
1289 | bdbuf_tests_task_1 (rtems_task_argument arg) |
---|
1290 | { |
---|
1291 | bdbuf_task_control* tc = (bdbuf_task_control*) arg; |
---|
1292 | |
---|
1293 | while (!tc->die) |
---|
1294 | { |
---|
1295 | switch (tc->test) |
---|
1296 | { |
---|
1297 | case 0: |
---|
1298 | /* |
---|
1299 | * Wait for the next test. |
---|
1300 | */ |
---|
1301 | bdbuf_wait (tc->name, 0); |
---|
1302 | break; |
---|
1303 | |
---|
1304 | case 2: |
---|
1305 | bdbuf_tests_ranged_get_release (tc, false, 0, 5); |
---|
1306 | break; |
---|
1307 | |
---|
1308 | case 4: |
---|
1309 | bdbuf_tests_ranged_get_release (tc, false, 0, 9); |
---|
1310 | break; |
---|
1311 | |
---|
1312 | case 5: |
---|
1313 | bdbuf_tests_ranged_get_release (tc, false, 20, 25); |
---|
1314 | break; |
---|
1315 | |
---|
1316 | default: |
---|
1317 | /* |
---|
1318 | * Invalid test for this task. An error. |
---|
1319 | */ |
---|
1320 | bdbuf_test_printf ("%s: invalid test: %d\n", tc->name, tc->test); |
---|
1321 | tc->passed = false; |
---|
1322 | tc->test = 0; |
---|
1323 | break; |
---|
1324 | } |
---|
1325 | } |
---|
1326 | |
---|
1327 | bdbuf_test_printf ("%s: delete task\n", tc->name); |
---|
1328 | rtems_task_delete (RTEMS_SELF); |
---|
1329 | } |
---|
1330 | |
---|
1331 | /** |
---|
1332 | * Get the blocks 0 -> 4 and release them. Task 0 should be holding |
---|
1333 | * each one. |
---|
1334 | */ |
---|
1335 | static void |
---|
1336 | bdbuf_tests_task_2_test_2 (bdbuf_task_control* tc) |
---|
1337 | { |
---|
1338 | /* |
---|
1339 | * Use task 1's test 2. They are the same. |
---|
1340 | */ |
---|
1341 | bdbuf_tests_ranged_get_release (tc, true, 0, 5); |
---|
1342 | } |
---|
1343 | |
---|
1344 | static void |
---|
1345 | bdbuf_tests_task_2 (rtems_task_argument arg) |
---|
1346 | { |
---|
1347 | bdbuf_task_control* tc = (bdbuf_task_control*) arg; |
---|
1348 | |
---|
1349 | while (!tc->die) |
---|
1350 | { |
---|
1351 | switch (tc->test) |
---|
1352 | { |
---|
1353 | case 0: |
---|
1354 | /* |
---|
1355 | * Wait for the next test. |
---|
1356 | */ |
---|
1357 | bdbuf_wait (tc->name, 0); |
---|
1358 | break; |
---|
1359 | |
---|
1360 | case 2: |
---|
1361 | bdbuf_tests_task_2_test_2 (tc); |
---|
1362 | break; |
---|
1363 | |
---|
1364 | default: |
---|
1365 | /* |
---|
1366 | * Invalid test for this task. An error. |
---|
1367 | */ |
---|
1368 | bdbuf_test_printf ("%s: invalid test: %d\n", tc->name, tc->test); |
---|
1369 | tc->passed = false; |
---|
1370 | tc->test = 0; |
---|
1371 | break; |
---|
1372 | } |
---|
1373 | } |
---|
1374 | |
---|
1375 | bdbuf_test_printf ("%s: delete task\n", tc->name); |
---|
1376 | rtems_task_delete (RTEMS_SELF); |
---|
1377 | } |
---|
1378 | |
---|
1379 | /** |
---|
1380 | * Table of task entry points. |
---|
1381 | */ |
---|
1382 | static rtems_task_entry bdbuf_test_tasks[] = |
---|
1383 | { |
---|
1384 | bdbuf_tests_task_0, |
---|
1385 | bdbuf_tests_task_1, |
---|
1386 | bdbuf_tests_task_2 |
---|
1387 | }; |
---|
1388 | |
---|
1389 | #define BDBUF_TESTS_PRI_HIGH (30) |
---|
1390 | |
---|
1391 | /** |
---|
1392 | * Wait for the all tests to finish. This is signalled by the test |
---|
1393 | * number becoming 0. |
---|
1394 | */ |
---|
1395 | static bool |
---|
1396 | bdbuf_tests_finished (bdbuf_task_control* tasks) |
---|
1397 | { |
---|
1398 | uint32_t time = 0; |
---|
1399 | bool finished = false; |
---|
1400 | |
---|
1401 | while (time < (10 * 4)) |
---|
1402 | { |
---|
1403 | int t; |
---|
1404 | |
---|
1405 | finished = true; |
---|
1406 | |
---|
1407 | for (t = 0; t < BDBUF_TEST_TASKS; t++) |
---|
1408 | if (tasks[t].test) |
---|
1409 | { |
---|
1410 | finished = false; |
---|
1411 | break; |
---|
1412 | } |
---|
1413 | |
---|
1414 | if (finished) |
---|
1415 | break; |
---|
1416 | |
---|
1417 | bdbuf_sleep (250); |
---|
1418 | time++; |
---|
1419 | } |
---|
1420 | |
---|
1421 | if (!finished) |
---|
1422 | bdbuf_test_printf ("master: test timed out\n"); |
---|
1423 | else |
---|
1424 | { |
---|
1425 | int t; |
---|
1426 | for (t = 0; t < BDBUF_TEST_TASKS; t++) |
---|
1427 | if (!tasks[0].passed) |
---|
1428 | { |
---|
1429 | finished = false; |
---|
1430 | break; |
---|
1431 | } |
---|
1432 | } |
---|
1433 | |
---|
1434 | return finished; |
---|
1435 | } |
---|
1436 | |
---|
1437 | /** |
---|
1438 | * Test 1. |
---|
1439 | * |
---|
1440 | * # Get task 0 to get buffer 0 from the pool then release it twice. |
---|
1441 | */ |
---|
1442 | static bool |
---|
1443 | bdbuf_test_1 (bdbuf_task_control* tasks) |
---|
1444 | { |
---|
1445 | tasks[0].test = 1; |
---|
1446 | |
---|
1447 | /* |
---|
1448 | * Use pool 0. |
---|
1449 | */ |
---|
1450 | tasks[0].minor = 0; |
---|
1451 | |
---|
1452 | bdbuf_send_wait_event ("master", "wake task 0", tasks[0].task); |
---|
1453 | |
---|
1454 | return bdbuf_tests_finished (tasks); |
---|
1455 | } |
---|
1456 | |
---|
1457 | /** |
---|
1458 | * Test 2. |
---|
1459 | * |
---|
1460 | * # Get task 0 to get buffers 0 -> 4 from the pool hold them. Then get |
---|
1461 | * task 1 and task 2 to get them with blocking. The 2 tasks tests the |
---|
1462 | * priority blocking on the buffer. |
---|
1463 | */ |
---|
1464 | static bool |
---|
1465 | bdbuf_test_2 (bdbuf_task_control* tasks) |
---|
1466 | { |
---|
1467 | int i; |
---|
1468 | |
---|
1469 | tasks[0].test = 2; |
---|
1470 | tasks[1].test = 2; |
---|
1471 | tasks[2].test = 2; |
---|
1472 | |
---|
1473 | /* |
---|
1474 | * Use pool 0. |
---|
1475 | */ |
---|
1476 | tasks[0].minor = 0; |
---|
1477 | tasks[1].minor = 0; |
---|
1478 | tasks[2].minor = 0; |
---|
1479 | |
---|
1480 | /* |
---|
1481 | * Wake task 0 and wait for it to have all the buffers. |
---|
1482 | */ |
---|
1483 | bdbuf_send_wait_event ("master", "wake task 0", tasks[0].task); |
---|
1484 | if (bdbuf_wait ("master", BDBUF_SECONDS (5)) != RTEMS_SUCCESSFUL) |
---|
1485 | return false; |
---|
1486 | |
---|
1487 | /* |
---|
1488 | * Wake task 1. |
---|
1489 | */ |
---|
1490 | bdbuf_send_wait_event ("master", "wake task 1", tasks[1].task); |
---|
1491 | |
---|
1492 | /* |
---|
1493 | * Wake task 2. |
---|
1494 | */ |
---|
1495 | bdbuf_send_wait_event ("master", "wake task 2", tasks[2].task); |
---|
1496 | |
---|
1497 | for (i = 0; i < 5; i++) |
---|
1498 | { |
---|
1499 | /* |
---|
1500 | * Wake task 0 and watch task 2 then task 1 get the released buffer. |
---|
1501 | */ |
---|
1502 | bdbuf_send_wait_event ("master", "wake task 0", tasks[0].task); |
---|
1503 | |
---|
1504 | /* |
---|
1505 | * Wait until task 2 has the buffer. |
---|
1506 | */ |
---|
1507 | if (bdbuf_wait ("master", BDBUF_SECONDS (5)) != RTEMS_SUCCESSFUL) |
---|
1508 | return false; |
---|
1509 | } |
---|
1510 | |
---|
1511 | /* |
---|
1512 | * Wait for the tests to finish. |
---|
1513 | */ |
---|
1514 | return bdbuf_tests_finished (tasks); |
---|
1515 | } |
---|
1516 | |
---|
1517 | /** |
---|
1518 | * Test 3. |
---|
1519 | * |
---|
1520 | * # Read a block from disk into the buffer, modify the block and release |
---|
1521 | * it modified. Use a block great then 4 because 0 -> 4 are in the cache. |
---|
1522 | */ |
---|
1523 | static bool |
---|
1524 | bdbuf_test_3 (bdbuf_task_control* tasks) |
---|
1525 | { |
---|
1526 | tasks[0].test = 3; |
---|
1527 | |
---|
1528 | /* |
---|
1529 | * Use pool 0. |
---|
1530 | */ |
---|
1531 | tasks[0].minor = 0; |
---|
1532 | |
---|
1533 | /* |
---|
1534 | * Wake task 0. |
---|
1535 | */ |
---|
1536 | bdbuf_send_wait_event ("master", "wake task 0", tasks[0].task); |
---|
1537 | |
---|
1538 | return bdbuf_tests_finished (tasks); |
---|
1539 | } |
---|
1540 | |
---|
1541 | /** |
---|
1542 | * Test 4. |
---|
1543 | * |
---|
1544 | * # Read every buffer in the pool and hold. Then get task 1 to ask for another |
---|
1545 | * buffer that is being accessed. It will block waiting for it to appear. |
---|
1546 | */ |
---|
1547 | static bool |
---|
1548 | bdbuf_test_4 (bdbuf_task_control* tasks) |
---|
1549 | { |
---|
1550 | tasks[0].test = 4; |
---|
1551 | tasks[1].test = 4; |
---|
1552 | |
---|
1553 | /* |
---|
1554 | * Use pool 0. |
---|
1555 | */ |
---|
1556 | tasks[0].minor = 0; |
---|
1557 | tasks[1].minor = 0; |
---|
1558 | |
---|
1559 | /* |
---|
1560 | * Wake task 0. |
---|
1561 | */ |
---|
1562 | bdbuf_send_wait_event ("master", "wake task 0", tasks[0].task); |
---|
1563 | |
---|
1564 | /* |
---|
1565 | * Wait for the buffers in the pool to be taken. |
---|
1566 | */ |
---|
1567 | if (bdbuf_wait ("master", BDBUF_SECONDS (5)) != RTEMS_SUCCESSFUL) |
---|
1568 | return false; |
---|
1569 | |
---|
1570 | bdbuf_sleep (100); |
---|
1571 | |
---|
1572 | /* |
---|
1573 | * Wake task 1 to read another one and have to block. |
---|
1574 | */ |
---|
1575 | bdbuf_send_wait_event ("master", "wake task 1", tasks[1].task); |
---|
1576 | |
---|
1577 | bdbuf_sleep (100); |
---|
1578 | |
---|
1579 | /* |
---|
1580 | * Wake task 0 to release it buffers. |
---|
1581 | */ |
---|
1582 | bdbuf_send_wait_event ("master", "wake task 0", tasks[0].task); |
---|
1583 | |
---|
1584 | return bdbuf_tests_finished (tasks); |
---|
1585 | } |
---|
1586 | |
---|
1587 | /** |
---|
1588 | * Test 5. |
---|
1589 | * |
---|
1590 | * # Read every buffer in the pool and hold. Then get task 1 to ask for a new |
---|
1591 | * buffer. It will block waiting for one to appear. |
---|
1592 | */ |
---|
1593 | static bool |
---|
1594 | bdbuf_test_5 (bdbuf_task_control* tasks) |
---|
1595 | { |
---|
1596 | tasks[0].test = 5; |
---|
1597 | tasks[1].test = 5; |
---|
1598 | |
---|
1599 | /* |
---|
1600 | * Use pool 0. |
---|
1601 | */ |
---|
1602 | tasks[0].minor = 0; |
---|
1603 | tasks[1].minor = 0; |
---|
1604 | |
---|
1605 | /* |
---|
1606 | * Wake task 0. |
---|
1607 | */ |
---|
1608 | bdbuf_send_wait_event ("master", "wake task 0", tasks[0].task); |
---|
1609 | |
---|
1610 | /* |
---|
1611 | * Wait for the buffers in the pool to be taken. |
---|
1612 | */ |
---|
1613 | if (bdbuf_wait ("master", BDBUF_SECONDS (5)) != RTEMS_SUCCESSFUL) |
---|
1614 | return false; |
---|
1615 | |
---|
1616 | bdbuf_sleep (100); |
---|
1617 | |
---|
1618 | /* |
---|
1619 | * Wake task 1 to read another one and have to block. |
---|
1620 | */ |
---|
1621 | bdbuf_send_wait_event ("master", "wake task 1", tasks[1].task); |
---|
1622 | |
---|
1623 | bdbuf_sleep (100); |
---|
1624 | |
---|
1625 | /* |
---|
1626 | * Wake task 0 to release it buffers. |
---|
1627 | */ |
---|
1628 | bdbuf_send_wait_event ("master", "wake task 0", tasks[0].task); |
---|
1629 | |
---|
1630 | return bdbuf_tests_finished (tasks); |
---|
1631 | } |
---|
1632 | |
---|
1633 | /** |
---|
1634 | * Test 6. |
---|
1635 | * |
---|
1636 | * # Get 5 buffers, release modify 4 then sync the last. |
---|
1637 | */ |
---|
1638 | static bool |
---|
1639 | bdbuf_test_6 (bdbuf_task_control* tasks) |
---|
1640 | { |
---|
1641 | tasks[0].test = 6; |
---|
1642 | |
---|
1643 | /* |
---|
1644 | * Use pool 0. |
---|
1645 | */ |
---|
1646 | tasks[0].minor = 0; |
---|
1647 | |
---|
1648 | /* |
---|
1649 | * Wake task 0. |
---|
1650 | */ |
---|
1651 | bdbuf_send_wait_event ("master", "wake task 0", tasks[0].task); |
---|
1652 | |
---|
1653 | return bdbuf_tests_finished (tasks); |
---|
1654 | } |
---|
1655 | |
---|
1656 | /** |
---|
1657 | * Test 7. |
---|
1658 | * |
---|
1659 | * # Get 5 buffers, release modify them all then sync the device. |
---|
1660 | */ |
---|
1661 | static bool |
---|
1662 | bdbuf_test_7 (bdbuf_task_control* tasks) |
---|
1663 | { |
---|
1664 | tasks[0].test = 7; |
---|
1665 | |
---|
1666 | /* |
---|
1667 | * Use pool 0. |
---|
1668 | */ |
---|
1669 | tasks[0].minor = 0; |
---|
1670 | |
---|
1671 | /* |
---|
1672 | * Wake task 0. |
---|
1673 | */ |
---|
1674 | bdbuf_send_wait_event ("master", "wake task 0", tasks[0].task); |
---|
1675 | |
---|
1676 | return bdbuf_tests_finished (tasks); |
---|
1677 | } |
---|
1678 | |
---|
1679 | /** |
---|
1680 | * Test 8. |
---|
1681 | * |
---|
1682 | * # Get 5 buffers, release modify the last 2 then the reset from 0. |
---|
1683 | */ |
---|
1684 | static bool |
---|
1685 | bdbuf_test_8 (bdbuf_task_control* tasks) |
---|
1686 | { |
---|
1687 | tasks[0].test = 8; |
---|
1688 | |
---|
1689 | /* |
---|
1690 | * Use pool 0. |
---|
1691 | */ |
---|
1692 | tasks[0].minor = 0; |
---|
1693 | |
---|
1694 | /* |
---|
1695 | * Wake task 0. |
---|
1696 | */ |
---|
1697 | bdbuf_send_wait_event ("master", "wake task 0", tasks[0].task); |
---|
1698 | |
---|
1699 | return bdbuf_tests_finished (tasks); |
---|
1700 | } |
---|
1701 | |
---|
1702 | /** |
---|
1703 | * A test. |
---|
1704 | */ |
---|
1705 | typedef bool (*bdbuf_test) (bdbuf_task_control* tasks); |
---|
1706 | |
---|
1707 | /** |
---|
1708 | * A test name and function. |
---|
1709 | */ |
---|
1710 | typedef struct bdbuf_test_ident |
---|
1711 | { |
---|
1712 | const char* label; |
---|
1713 | bdbuf_test test; |
---|
1714 | } bdbuf_test_ident; |
---|
1715 | |
---|
1716 | /** |
---|
1717 | * Table of tests. |
---|
1718 | */ |
---|
1719 | static bdbuf_test_ident bdbuf_tests[] = |
---|
1720 | { |
---|
1721 | { |
---|
1722 | "Task 0 get buffer 0 from pool 0", |
---|
1723 | bdbuf_test_1 |
---|
1724 | }, |
---|
1725 | { |
---|
1726 | "Task 0 get buffer 0 -> 4 from pool 0, task 2 and 1 block getting", |
---|
1727 | bdbuf_test_2 |
---|
1728 | }, |
---|
1729 | { |
---|
1730 | "Task 0 read buffer 5, modify and release modified", |
---|
1731 | bdbuf_test_3 |
---|
1732 | }, |
---|
1733 | { |
---|
1734 | "Task 0 read all buffers, task 1 blocks waiting for acessed buffer", |
---|
1735 | bdbuf_test_4 |
---|
1736 | }, |
---|
1737 | { |
---|
1738 | "Task 0 read all buffers, task 1 blocks waiting for new buffer", |
---|
1739 | bdbuf_test_5 |
---|
1740 | }, |
---|
1741 | { |
---|
1742 | "Task 0 release modified 4 buffers then syncs a 5th buffer", |
---|
1743 | bdbuf_test_6 |
---|
1744 | }, |
---|
1745 | { |
---|
1746 | "Task 0 release modified 5 buffers then sync the device", |
---|
1747 | bdbuf_test_7 |
---|
1748 | }, |
---|
1749 | { |
---|
1750 | "Task 0 releases modified 5 buffers is out or order sequence and the" \ |
---|
1751 | " driver checks the buffers are in order", |
---|
1752 | bdbuf_test_8 |
---|
1753 | } |
---|
1754 | }; |
---|
1755 | |
---|
1756 | #define BDBUF_TEST_NUM (sizeof (bdbuf_tests) / sizeof (bdbuf_test_ident)) |
---|
1757 | |
---|
1758 | /** |
---|
1759 | * Test the BD Buffering code. |
---|
1760 | */ |
---|
1761 | static void |
---|
1762 | bdbuf_tester (void) |
---|
1763 | { |
---|
1764 | rtems_device_major_number major; |
---|
1765 | bdbuf_task_control tasks[BDBUF_TEST_TASKS]; |
---|
1766 | rtems_task_priority old_priority; |
---|
1767 | int t; |
---|
1768 | bool passed = true; |
---|
1769 | |
---|
1770 | /* |
---|
1771 | * Change priority to a lower one. |
---|
1772 | */ |
---|
1773 | bdbuf_test_printf ("lower priority to %d: ", BDBUF_TESTS_PRI_HIGH + 1); |
---|
1774 | bdbuf_test_print_sc (rtems_task_set_priority (RTEMS_SELF, |
---|
1775 | BDBUF_TESTS_PRI_HIGH + 1, |
---|
1776 | &old_priority), |
---|
1777 | true); |
---|
1778 | |
---|
1779 | /* |
---|
1780 | * This sets up the buffer pools. |
---|
1781 | */ |
---|
1782 | if (!bdbuf_tests_setup_disk (&major)) |
---|
1783 | { |
---|
1784 | bdbuf_test_printf ("disk set up failed\n"); |
---|
1785 | return; |
---|
1786 | } |
---|
1787 | |
---|
1788 | /* |
---|
1789 | * Make sure the swapout task has run. The user could block |
---|
1790 | * the swapout task from running until later. This is not |
---|
1791 | * tested. |
---|
1792 | */ |
---|
1793 | bdbuf_sleep (100); |
---|
1794 | |
---|
1795 | /* |
---|
1796 | * Start the test tasks used to test the threading parts |
---|
1797 | * of the bdbuf code. |
---|
1798 | */ |
---|
1799 | for (t = 0; t < BDBUF_TEST_TASKS; t++) |
---|
1800 | { |
---|
1801 | bdbuf_task_control_init (t, &tasks[t], |
---|
1802 | rtems_task_self (), |
---|
1803 | major); |
---|
1804 | |
---|
1805 | if (!bdbuf_tests_create_task (&tasks[t], |
---|
1806 | BDBUF_TESTS_PRI_HIGH - t, |
---|
1807 | bdbuf_test_tasks[t])) |
---|
1808 | return; |
---|
1809 | } |
---|
1810 | |
---|
1811 | /* |
---|
1812 | * Let the test tasks run if they have not already done so. |
---|
1813 | */ |
---|
1814 | bdbuf_sleep (100); |
---|
1815 | |
---|
1816 | /* |
---|
1817 | * Perform each test. |
---|
1818 | */ |
---|
1819 | for (t = 0; (t < BDBUF_TEST_NUM) && passed; t++) |
---|
1820 | { |
---|
1821 | bdbuf_test_printf ("test %d: %s\n", t + 1, bdbuf_tests[t].label); |
---|
1822 | passed = bdbuf_tests[t].test (tasks); |
---|
1823 | bdbuf_test_printf ("test %d: %s\n", t + 1, passed ? "passed" : "failed"); |
---|
1824 | } |
---|
1825 | } |
---|
1826 | |
---|
1827 | static rtems_task Init(rtems_task_argument argument) |
---|
1828 | { |
---|
1829 | printf ("\n\n*** TEST BLOCK 6 ***\n"); |
---|
1830 | |
---|
1831 | bdbuf_tester (); |
---|
1832 | |
---|
1833 | printf ("*** END OF TEST BLOCK 6 ***\n"); |
---|
1834 | |
---|
1835 | exit (0); |
---|
1836 | } |
---|
1837 | |
---|
1838 | #define CONFIGURE_INIT |
---|
1839 | |
---|
1840 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
---|
1841 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
---|
1842 | #define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK |
---|
1843 | |
---|
1844 | #define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM |
---|
1845 | |
---|
1846 | #define CONFIGURE_MAXIMUM_TASKS 8 |
---|
1847 | #define CONFIGURE_MAXIMUM_DRIVERS 3 |
---|
1848 | #define CONFIGURE_MAXIMUM_SEMAPHORES 7 |
---|
1849 | |
---|
1850 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
---|
1851 | |
---|
1852 | #include <rtems/confdefs.h> |
---|