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88ae600d PO |
1 | /* |
2 | * linux/drivers/mmc/card/mmc_test.c | |
3 | * | |
0121a982 | 4 | * Copyright 2007-2008 Pierre Ossman |
88ae600d PO |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or (at | |
9 | * your option) any later version. | |
10 | */ | |
11 | ||
12 | #include <linux/mmc/core.h> | |
13 | #include <linux/mmc/card.h> | |
14 | #include <linux/mmc/host.h> | |
15 | #include <linux/mmc/mmc.h> | |
5a0e3ad6 | 16 | #include <linux/slab.h> |
88ae600d PO |
17 | |
18 | #include <linux/scatterlist.h> | |
19 | ||
20 | #define RESULT_OK 0 | |
21 | #define RESULT_FAIL 1 | |
22 | #define RESULT_UNSUP_HOST 2 | |
23 | #define RESULT_UNSUP_CARD 3 | |
24 | ||
2661081f PO |
25 | #define BUFFER_ORDER 2 |
26 | #define BUFFER_SIZE (PAGE_SIZE << BUFFER_ORDER) | |
88ae600d | 27 | |
64f7120d AH |
28 | /** |
29 | * struct mmc_test_pages - pages allocated by 'alloc_pages()'. | |
30 | * @page: first page in the allocation | |
31 | * @order: order of the number of pages allocated | |
32 | */ | |
33 | struct mmc_test_pages { | |
34 | struct page *page; | |
35 | unsigned int order; | |
36 | }; | |
37 | ||
38 | /** | |
39 | * struct mmc_test_mem - allocated memory. | |
40 | * @arr: array of allocations | |
41 | * @cnt: number of allocations | |
42 | */ | |
43 | struct mmc_test_mem { | |
44 | struct mmc_test_pages *arr; | |
45 | unsigned int cnt; | |
46 | }; | |
47 | ||
48 | /** | |
49 | * struct mmc_test_area - information for performance tests. | |
50 | * @dev_addr: address on card at which to do performance tests | |
51 | * @max_sz: test area size (in bytes) | |
52 | * @max_segs: maximum segments in scatterlist @sg | |
53 | * @blocks: number of (512 byte) blocks currently mapped by @sg | |
54 | * @sg_len: length of currently mapped scatterlist @sg | |
55 | * @mem: allocated memory | |
56 | * @sg: scatterlist | |
57 | */ | |
58 | struct mmc_test_area { | |
59 | unsigned int dev_addr; | |
60 | unsigned int max_sz; | |
61 | unsigned int max_segs; | |
62 | unsigned int blocks; | |
63 | unsigned int sg_len; | |
64 | struct mmc_test_mem *mem; | |
65 | struct scatterlist *sg; | |
66 | }; | |
67 | ||
68 | /** | |
69 | * struct mmc_test_card - test information. | |
70 | * @card: card under test | |
71 | * @scratch: transfer buffer | |
72 | * @buffer: transfer buffer | |
73 | * @highmem: buffer for highmem tests | |
74 | * @area: information for performance tests | |
75 | */ | |
88ae600d PO |
76 | struct mmc_test_card { |
77 | struct mmc_card *card; | |
78 | ||
6b174931 | 79 | u8 scratch[BUFFER_SIZE]; |
88ae600d | 80 | u8 *buffer; |
2661081f PO |
81 | #ifdef CONFIG_HIGHMEM |
82 | struct page *highmem; | |
83 | #endif | |
64f7120d | 84 | struct mmc_test_area area; |
88ae600d PO |
85 | }; |
86 | ||
87 | /*******************************************************************/ | |
6b174931 | 88 | /* General helper functions */ |
88ae600d PO |
89 | /*******************************************************************/ |
90 | ||
6b174931 PO |
91 | /* |
92 | * Configure correct block size in card | |
93 | */ | |
88ae600d PO |
94 | static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size) |
95 | { | |
96 | struct mmc_command cmd; | |
97 | int ret; | |
98 | ||
99 | cmd.opcode = MMC_SET_BLOCKLEN; | |
100 | cmd.arg = size; | |
101 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; | |
102 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); | |
103 | if (ret) | |
104 | return ret; | |
105 | ||
106 | return 0; | |
107 | } | |
108 | ||
6b174931 PO |
109 | /* |
110 | * Fill in the mmc_request structure given a set of transfer parameters. | |
111 | */ | |
112 | static void mmc_test_prepare_mrq(struct mmc_test_card *test, | |
113 | struct mmc_request *mrq, struct scatterlist *sg, unsigned sg_len, | |
114 | unsigned dev_addr, unsigned blocks, unsigned blksz, int write) | |
88ae600d | 115 | { |
6b174931 | 116 | BUG_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop); |
88ae600d | 117 | |
6b174931 PO |
118 | if (blocks > 1) { |
119 | mrq->cmd->opcode = write ? | |
120 | MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK; | |
88ae600d | 121 | } else { |
6b174931 PO |
122 | mrq->cmd->opcode = write ? |
123 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
88ae600d PO |
124 | } |
125 | ||
6b174931 | 126 | mrq->cmd->arg = dev_addr; |
c286d03c JK |
127 | if (!mmc_card_blockaddr(test->card)) |
128 | mrq->cmd->arg <<= 9; | |
129 | ||
6b174931 | 130 | mrq->cmd->flags = MMC_RSP_R1 | MMC_CMD_ADTC; |
88ae600d | 131 | |
6b174931 PO |
132 | if (blocks == 1) |
133 | mrq->stop = NULL; | |
134 | else { | |
135 | mrq->stop->opcode = MMC_STOP_TRANSMISSION; | |
136 | mrq->stop->arg = 0; | |
137 | mrq->stop->flags = MMC_RSP_R1B | MMC_CMD_AC; | |
88ae600d PO |
138 | } |
139 | ||
6b174931 PO |
140 | mrq->data->blksz = blksz; |
141 | mrq->data->blocks = blocks; | |
142 | mrq->data->flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; | |
143 | mrq->data->sg = sg; | |
144 | mrq->data->sg_len = sg_len; | |
88ae600d | 145 | |
6b174931 PO |
146 | mmc_set_data_timeout(mrq->data, test->card); |
147 | } | |
88ae600d | 148 | |
64f7120d AH |
149 | static int mmc_test_busy(struct mmc_command *cmd) |
150 | { | |
151 | return !(cmd->resp[0] & R1_READY_FOR_DATA) || | |
152 | (R1_CURRENT_STATE(cmd->resp[0]) == 7); | |
153 | } | |
154 | ||
6b174931 PO |
155 | /* |
156 | * Wait for the card to finish the busy state | |
157 | */ | |
158 | static int mmc_test_wait_busy(struct mmc_test_card *test) | |
159 | { | |
160 | int ret, busy; | |
161 | struct mmc_command cmd; | |
88ae600d PO |
162 | |
163 | busy = 0; | |
164 | do { | |
88ae600d PO |
165 | memset(&cmd, 0, sizeof(struct mmc_command)); |
166 | ||
167 | cmd.opcode = MMC_SEND_STATUS; | |
168 | cmd.arg = test->card->rca << 16; | |
169 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; | |
170 | ||
6b174931 PO |
171 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); |
172 | if (ret) | |
88ae600d PO |
173 | break; |
174 | ||
64f7120d | 175 | if (!busy && mmc_test_busy(&cmd)) { |
88ae600d PO |
176 | busy = 1; |
177 | printk(KERN_INFO "%s: Warning: Host did not " | |
178 | "wait for busy state to end.\n", | |
179 | mmc_hostname(test->card->host)); | |
180 | } | |
64f7120d | 181 | } while (mmc_test_busy(&cmd)); |
88ae600d PO |
182 | |
183 | return ret; | |
184 | } | |
185 | ||
6b174931 PO |
186 | /* |
187 | * Transfer a single sector of kernel addressable data | |
188 | */ | |
189 | static int mmc_test_buffer_transfer(struct mmc_test_card *test, | |
190 | u8 *buffer, unsigned addr, unsigned blksz, int write) | |
88ae600d | 191 | { |
6b174931 PO |
192 | int ret; |
193 | ||
194 | struct mmc_request mrq; | |
195 | struct mmc_command cmd; | |
196 | struct mmc_command stop; | |
197 | struct mmc_data data; | |
198 | ||
199 | struct scatterlist sg; | |
200 | ||
201 | memset(&mrq, 0, sizeof(struct mmc_request)); | |
202 | memset(&cmd, 0, sizeof(struct mmc_command)); | |
203 | memset(&data, 0, sizeof(struct mmc_data)); | |
204 | memset(&stop, 0, sizeof(struct mmc_command)); | |
205 | ||
206 | mrq.cmd = &cmd; | |
207 | mrq.data = &data; | |
208 | mrq.stop = &stop; | |
209 | ||
210 | sg_init_one(&sg, buffer, blksz); | |
211 | ||
212 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write); | |
213 | ||
214 | mmc_wait_for_req(test->card->host, &mrq); | |
215 | ||
216 | if (cmd.error) | |
217 | return cmd.error; | |
218 | if (data.error) | |
219 | return data.error; | |
220 | ||
221 | ret = mmc_test_wait_busy(test); | |
222 | if (ret) | |
223 | return ret; | |
224 | ||
225 | return 0; | |
88ae600d PO |
226 | } |
227 | ||
64f7120d AH |
228 | static void mmc_test_free_mem(struct mmc_test_mem *mem) |
229 | { | |
230 | if (!mem) | |
231 | return; | |
232 | while (mem->cnt--) | |
233 | __free_pages(mem->arr[mem->cnt].page, | |
234 | mem->arr[mem->cnt].order); | |
235 | kfree(mem->arr); | |
236 | kfree(mem); | |
237 | } | |
238 | ||
239 | /* | |
240 | * Allocate a lot of memory, preferrably max_sz but at least min_sz. In case | |
241 | * there isn't much memory do not exceed 1/16th total RAM. | |
242 | */ | |
243 | static struct mmc_test_mem *mmc_test_alloc_mem(unsigned int min_sz, | |
244 | unsigned int max_sz) | |
245 | { | |
246 | unsigned int max_page_cnt = DIV_ROUND_UP(max_sz, PAGE_SIZE); | |
247 | unsigned int min_page_cnt = DIV_ROUND_UP(min_sz, PAGE_SIZE); | |
248 | unsigned int page_cnt = 0; | |
249 | struct mmc_test_mem *mem; | |
250 | struct sysinfo si; | |
251 | ||
252 | si_meminfo(&si); | |
253 | if (max_page_cnt > si.totalram >> 4) | |
254 | max_page_cnt = si.totalram >> 4; | |
255 | if (max_page_cnt < min_page_cnt) | |
256 | max_page_cnt = min_page_cnt; | |
257 | ||
258 | mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL); | |
259 | if (!mem) | |
260 | return NULL; | |
261 | ||
262 | mem->arr = kzalloc(sizeof(struct mmc_test_pages) * max_page_cnt, | |
263 | GFP_KERNEL); | |
264 | if (!mem->arr) | |
265 | goto out_free; | |
266 | ||
267 | while (max_page_cnt) { | |
268 | struct page *page; | |
269 | unsigned int order; | |
270 | gfp_t flags = GFP_KERNEL | GFP_DMA | __GFP_NOWARN | | |
271 | __GFP_NORETRY; | |
272 | ||
273 | order = get_order(page_cnt << PAGE_SHIFT); | |
274 | while (1) { | |
275 | page = alloc_pages(flags, order); | |
276 | if (page || !order) | |
277 | break; | |
278 | order -= 1; | |
279 | } | |
280 | if (!page) { | |
281 | if (page_cnt < min_page_cnt) | |
282 | goto out_free; | |
283 | break; | |
284 | } | |
285 | mem->arr[mem->cnt].page = page; | |
286 | mem->arr[mem->cnt].order = order; | |
287 | mem->cnt += 1; | |
288 | max_page_cnt -= 1 << order; | |
289 | page_cnt += 1 << order; | |
290 | } | |
291 | ||
292 | return mem; | |
293 | ||
294 | out_free: | |
295 | mmc_test_free_mem(mem); | |
296 | return NULL; | |
297 | } | |
298 | ||
299 | /* | |
300 | * Map memory into a scatterlist. Optionally allow the same memory to be | |
301 | * mapped more than once. | |
302 | */ | |
303 | static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned int sz, | |
304 | struct scatterlist *sglist, int repeat, | |
305 | unsigned int max_segs, unsigned int *sg_len) | |
306 | { | |
307 | struct scatterlist *sg = NULL; | |
308 | unsigned int i; | |
309 | ||
310 | sg_init_table(sglist, max_segs); | |
311 | ||
312 | *sg_len = 0; | |
313 | do { | |
314 | for (i = 0; i < mem->cnt; i++) { | |
315 | unsigned int len = PAGE_SIZE << mem->arr[i].order; | |
316 | ||
317 | if (sz < len) | |
318 | len = sz; | |
319 | if (sg) | |
320 | sg = sg_next(sg); | |
321 | else | |
322 | sg = sglist; | |
323 | if (!sg) | |
324 | return -EINVAL; | |
325 | sg_set_page(sg, mem->arr[i].page, len, 0); | |
326 | sz -= len; | |
327 | *sg_len += 1; | |
328 | if (!sz) | |
329 | break; | |
330 | } | |
331 | } while (sz && repeat); | |
332 | ||
333 | if (sz) | |
334 | return -EINVAL; | |
335 | ||
336 | if (sg) | |
337 | sg_mark_end(sg); | |
338 | ||
339 | return 0; | |
340 | } | |
341 | ||
342 | /* | |
343 | * Map memory into a scatterlist so that no pages are contiguous. Allow the | |
344 | * same memory to be mapped more than once. | |
345 | */ | |
346 | static int mmc_test_map_sg_max_scatter(struct mmc_test_mem *mem, | |
347 | unsigned int sz, | |
348 | struct scatterlist *sglist, | |
349 | unsigned int max_segs, | |
350 | unsigned int *sg_len) | |
351 | { | |
352 | struct scatterlist *sg = NULL; | |
353 | unsigned int i = mem->cnt, cnt, len; | |
354 | void *base, *addr, *last_addr = NULL; | |
355 | ||
356 | sg_init_table(sglist, max_segs); | |
357 | ||
358 | *sg_len = 0; | |
359 | while (sz && i) { | |
360 | base = page_address(mem->arr[--i].page); | |
361 | cnt = 1 << mem->arr[i].order; | |
362 | while (sz && cnt) { | |
363 | addr = base + PAGE_SIZE * --cnt; | |
364 | if (last_addr && last_addr + PAGE_SIZE == addr) | |
365 | continue; | |
366 | last_addr = addr; | |
367 | len = PAGE_SIZE; | |
368 | if (sz < len) | |
369 | len = sz; | |
370 | if (sg) | |
371 | sg = sg_next(sg); | |
372 | else | |
373 | sg = sglist; | |
374 | if (!sg) | |
375 | return -EINVAL; | |
376 | sg_set_page(sg, virt_to_page(addr), len, 0); | |
377 | sz -= len; | |
378 | *sg_len += 1; | |
379 | } | |
380 | } | |
381 | ||
382 | if (sg) | |
383 | sg_mark_end(sg); | |
384 | ||
385 | return 0; | |
386 | } | |
387 | ||
388 | /* | |
389 | * Calculate transfer rate in bytes per second. | |
390 | */ | |
391 | static unsigned int mmc_test_rate(uint64_t bytes, struct timespec *ts) | |
392 | { | |
393 | uint64_t ns; | |
394 | ||
395 | ns = ts->tv_sec; | |
396 | ns *= 1000000000; | |
397 | ns += ts->tv_nsec; | |
398 | ||
399 | bytes *= 1000000000; | |
400 | ||
401 | while (ns > UINT_MAX) { | |
402 | bytes >>= 1; | |
403 | ns >>= 1; | |
404 | } | |
405 | ||
406 | if (!ns) | |
407 | return 0; | |
408 | ||
409 | do_div(bytes, (uint32_t)ns); | |
410 | ||
411 | return bytes; | |
412 | } | |
413 | ||
414 | /* | |
415 | * Print the transfer rate. | |
416 | */ | |
417 | static void mmc_test_print_rate(struct mmc_test_card *test, uint64_t bytes, | |
418 | struct timespec *ts1, struct timespec *ts2) | |
419 | { | |
420 | unsigned int rate, sectors = bytes >> 9; | |
421 | struct timespec ts; | |
422 | ||
423 | ts = timespec_sub(*ts2, *ts1); | |
424 | ||
425 | rate = mmc_test_rate(bytes, &ts); | |
426 | ||
427 | printk(KERN_INFO "%s: Transfer of %u sectors (%u%s KiB) took %lu.%09lu " | |
428 | "seconds (%u kB/s, %u KiB/s)\n", | |
429 | mmc_hostname(test->card->host), sectors, sectors >> 1, | |
430 | (sectors == 1 ? ".5" : ""), (unsigned long)ts.tv_sec, | |
431 | (unsigned long)ts.tv_nsec, rate / 1000, rate / 1024); | |
432 | } | |
433 | ||
434 | /* | |
435 | * Print the average transfer rate. | |
436 | */ | |
437 | static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, | |
438 | unsigned int count, struct timespec *ts1, | |
439 | struct timespec *ts2) | |
440 | { | |
441 | unsigned int rate, sectors = bytes >> 9; | |
442 | uint64_t tot = bytes * count; | |
443 | struct timespec ts; | |
444 | ||
445 | ts = timespec_sub(*ts2, *ts1); | |
446 | ||
447 | rate = mmc_test_rate(tot, &ts); | |
448 | ||
449 | printk(KERN_INFO "%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " | |
450 | "%lu.%09lu seconds (%u kB/s, %u KiB/s)\n", | |
451 | mmc_hostname(test->card->host), count, sectors, count, | |
452 | sectors >> 1, (sectors == 1 ? ".5" : ""), | |
453 | (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, | |
454 | rate / 1000, rate / 1024); | |
455 | } | |
456 | ||
457 | /* | |
458 | * Return the card size in sectors. | |
459 | */ | |
460 | static unsigned int mmc_test_capacity(struct mmc_card *card) | |
461 | { | |
462 | if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) | |
463 | return card->ext_csd.sectors; | |
464 | else | |
465 | return card->csd.capacity << (card->csd.read_blkbits - 9); | |
466 | } | |
467 | ||
6b174931 PO |
468 | /*******************************************************************/ |
469 | /* Test preparation and cleanup */ | |
470 | /*******************************************************************/ | |
471 | ||
472 | /* | |
473 | * Fill the first couple of sectors of the card with known data | |
474 | * so that bad reads/writes can be detected | |
475 | */ | |
476 | static int __mmc_test_prepare(struct mmc_test_card *test, int write) | |
88ae600d PO |
477 | { |
478 | int ret, i; | |
479 | ||
480 | ret = mmc_test_set_blksize(test, 512); | |
481 | if (ret) | |
482 | return ret; | |
483 | ||
484 | if (write) | |
6b174931 | 485 | memset(test->buffer, 0xDF, 512); |
88ae600d | 486 | else { |
6b174931 | 487 | for (i = 0;i < 512;i++) |
88ae600d PO |
488 | test->buffer[i] = i; |
489 | } | |
490 | ||
491 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 492 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
88ae600d PO |
493 | if (ret) |
494 | return ret; | |
495 | } | |
496 | ||
497 | return 0; | |
498 | } | |
499 | ||
6b174931 PO |
500 | static int mmc_test_prepare_write(struct mmc_test_card *test) |
501 | { | |
502 | return __mmc_test_prepare(test, 1); | |
503 | } | |
504 | ||
505 | static int mmc_test_prepare_read(struct mmc_test_card *test) | |
506 | { | |
507 | return __mmc_test_prepare(test, 0); | |
508 | } | |
509 | ||
510 | static int mmc_test_cleanup(struct mmc_test_card *test) | |
511 | { | |
512 | int ret, i; | |
513 | ||
514 | ret = mmc_test_set_blksize(test, 512); | |
515 | if (ret) | |
516 | return ret; | |
517 | ||
518 | memset(test->buffer, 0, 512); | |
519 | ||
520 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 521 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
6b174931 PO |
522 | if (ret) |
523 | return ret; | |
524 | } | |
525 | ||
526 | return 0; | |
527 | } | |
528 | ||
529 | /*******************************************************************/ | |
530 | /* Test execution helpers */ | |
531 | /*******************************************************************/ | |
532 | ||
533 | /* | |
534 | * Modifies the mmc_request to perform the "short transfer" tests | |
535 | */ | |
536 | static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, | |
537 | struct mmc_request *mrq, int write) | |
538 | { | |
539 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
540 | ||
541 | if (mrq->data->blocks > 1) { | |
542 | mrq->cmd->opcode = write ? | |
543 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
544 | mrq->stop = NULL; | |
545 | } else { | |
546 | mrq->cmd->opcode = MMC_SEND_STATUS; | |
547 | mrq->cmd->arg = test->card->rca << 16; | |
548 | } | |
549 | } | |
550 | ||
551 | /* | |
552 | * Checks that a normal transfer didn't have any errors | |
553 | */ | |
554 | static int mmc_test_check_result(struct mmc_test_card *test, | |
555 | struct mmc_request *mrq) | |
88ae600d | 556 | { |
6b174931 PO |
557 | int ret; |
558 | ||
559 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
560 | ||
561 | ret = 0; | |
562 | ||
563 | if (!ret && mrq->cmd->error) | |
564 | ret = mrq->cmd->error; | |
565 | if (!ret && mrq->data->error) | |
566 | ret = mrq->data->error; | |
567 | if (!ret && mrq->stop && mrq->stop->error) | |
568 | ret = mrq->stop->error; | |
569 | if (!ret && mrq->data->bytes_xfered != | |
570 | mrq->data->blocks * mrq->data->blksz) | |
571 | ret = RESULT_FAIL; | |
572 | ||
573 | if (ret == -EINVAL) | |
574 | ret = RESULT_UNSUP_HOST; | |
575 | ||
576 | return ret; | |
88ae600d PO |
577 | } |
578 | ||
6b174931 PO |
579 | /* |
580 | * Checks that a "short transfer" behaved as expected | |
581 | */ | |
582 | static int mmc_test_check_broken_result(struct mmc_test_card *test, | |
583 | struct mmc_request *mrq) | |
88ae600d | 584 | { |
6b174931 PO |
585 | int ret; |
586 | ||
587 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
588 | ||
589 | ret = 0; | |
590 | ||
591 | if (!ret && mrq->cmd->error) | |
592 | ret = mrq->cmd->error; | |
593 | if (!ret && mrq->data->error == 0) | |
594 | ret = RESULT_FAIL; | |
595 | if (!ret && mrq->data->error != -ETIMEDOUT) | |
596 | ret = mrq->data->error; | |
597 | if (!ret && mrq->stop && mrq->stop->error) | |
598 | ret = mrq->stop->error; | |
599 | if (mrq->data->blocks > 1) { | |
600 | if (!ret && mrq->data->bytes_xfered > mrq->data->blksz) | |
601 | ret = RESULT_FAIL; | |
602 | } else { | |
603 | if (!ret && mrq->data->bytes_xfered > 0) | |
604 | ret = RESULT_FAIL; | |
605 | } | |
606 | ||
607 | if (ret == -EINVAL) | |
608 | ret = RESULT_UNSUP_HOST; | |
609 | ||
610 | return ret; | |
88ae600d PO |
611 | } |
612 | ||
6b174931 PO |
613 | /* |
614 | * Tests a basic transfer with certain parameters | |
615 | */ | |
616 | static int mmc_test_simple_transfer(struct mmc_test_card *test, | |
617 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
618 | unsigned blocks, unsigned blksz, int write) | |
88ae600d | 619 | { |
6b174931 PO |
620 | struct mmc_request mrq; |
621 | struct mmc_command cmd; | |
622 | struct mmc_command stop; | |
623 | struct mmc_data data; | |
88ae600d | 624 | |
6b174931 PO |
625 | memset(&mrq, 0, sizeof(struct mmc_request)); |
626 | memset(&cmd, 0, sizeof(struct mmc_command)); | |
627 | memset(&data, 0, sizeof(struct mmc_data)); | |
628 | memset(&stop, 0, sizeof(struct mmc_command)); | |
629 | ||
630 | mrq.cmd = &cmd; | |
631 | mrq.data = &data; | |
632 | mrq.stop = &stop; | |
633 | ||
634 | mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr, | |
635 | blocks, blksz, write); | |
636 | ||
637 | mmc_wait_for_req(test->card->host, &mrq); | |
88ae600d | 638 | |
6b174931 PO |
639 | mmc_test_wait_busy(test); |
640 | ||
641 | return mmc_test_check_result(test, &mrq); | |
642 | } | |
643 | ||
644 | /* | |
645 | * Tests a transfer where the card will fail completely or partly | |
646 | */ | |
647 | static int mmc_test_broken_transfer(struct mmc_test_card *test, | |
648 | unsigned blocks, unsigned blksz, int write) | |
649 | { | |
650 | struct mmc_request mrq; | |
651 | struct mmc_command cmd; | |
652 | struct mmc_command stop; | |
653 | struct mmc_data data; | |
654 | ||
655 | struct scatterlist sg; | |
656 | ||
657 | memset(&mrq, 0, sizeof(struct mmc_request)); | |
658 | memset(&cmd, 0, sizeof(struct mmc_command)); | |
659 | memset(&data, 0, sizeof(struct mmc_data)); | |
660 | memset(&stop, 0, sizeof(struct mmc_command)); | |
661 | ||
662 | mrq.cmd = &cmd; | |
663 | mrq.data = &data; | |
664 | mrq.stop = &stop; | |
665 | ||
666 | sg_init_one(&sg, test->buffer, blocks * blksz); | |
667 | ||
668 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write); | |
669 | mmc_test_prepare_broken_mrq(test, &mrq, write); | |
670 | ||
671 | mmc_wait_for_req(test->card->host, &mrq); | |
672 | ||
673 | mmc_test_wait_busy(test); | |
674 | ||
675 | return mmc_test_check_broken_result(test, &mrq); | |
676 | } | |
677 | ||
678 | /* | |
679 | * Does a complete transfer test where data is also validated | |
680 | * | |
681 | * Note: mmc_test_prepare() must have been done before this call | |
682 | */ | |
683 | static int mmc_test_transfer(struct mmc_test_card *test, | |
684 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
685 | unsigned blocks, unsigned blksz, int write) | |
686 | { | |
687 | int ret, i; | |
688 | unsigned long flags; | |
88ae600d PO |
689 | |
690 | if (write) { | |
691 | for (i = 0;i < blocks * blksz;i++) | |
6b174931 PO |
692 | test->scratch[i] = i; |
693 | } else { | |
b7ac2cf1 | 694 | memset(test->scratch, 0, BUFFER_SIZE); |
88ae600d | 695 | } |
6b174931 | 696 | local_irq_save(flags); |
b7ac2cf1 | 697 | sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 698 | local_irq_restore(flags); |
88ae600d PO |
699 | |
700 | ret = mmc_test_set_blksize(test, blksz); | |
701 | if (ret) | |
702 | return ret; | |
703 | ||
6b174931 PO |
704 | ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr, |
705 | blocks, blksz, write); | |
88ae600d PO |
706 | if (ret) |
707 | return ret; | |
708 | ||
709 | if (write) { | |
6b174931 PO |
710 | int sectors; |
711 | ||
88ae600d PO |
712 | ret = mmc_test_set_blksize(test, 512); |
713 | if (ret) | |
714 | return ret; | |
715 | ||
716 | sectors = (blocks * blksz + 511) / 512; | |
717 | if ((sectors * 512) == (blocks * blksz)) | |
718 | sectors++; | |
719 | ||
720 | if ((sectors * 512) > BUFFER_SIZE) | |
721 | return -EINVAL; | |
722 | ||
723 | memset(test->buffer, 0, sectors * 512); | |
724 | ||
725 | for (i = 0;i < sectors;i++) { | |
6b174931 | 726 | ret = mmc_test_buffer_transfer(test, |
88ae600d | 727 | test->buffer + i * 512, |
c286d03c | 728 | dev_addr + i, 512, 0); |
88ae600d PO |
729 | if (ret) |
730 | return ret; | |
731 | } | |
732 | ||
733 | for (i = 0;i < blocks * blksz;i++) { | |
734 | if (test->buffer[i] != (u8)i) | |
735 | return RESULT_FAIL; | |
736 | } | |
737 | ||
738 | for (;i < sectors * 512;i++) { | |
739 | if (test->buffer[i] != 0xDF) | |
740 | return RESULT_FAIL; | |
741 | } | |
742 | } else { | |
6b174931 | 743 | local_irq_save(flags); |
b7ac2cf1 | 744 | sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 745 | local_irq_restore(flags); |
88ae600d | 746 | for (i = 0;i < blocks * blksz;i++) { |
6b174931 | 747 | if (test->scratch[i] != (u8)i) |
88ae600d PO |
748 | return RESULT_FAIL; |
749 | } | |
750 | } | |
751 | ||
752 | return 0; | |
753 | } | |
754 | ||
88ae600d PO |
755 | /*******************************************************************/ |
756 | /* Tests */ | |
757 | /*******************************************************************/ | |
758 | ||
759 | struct mmc_test_case { | |
760 | const char *name; | |
761 | ||
762 | int (*prepare)(struct mmc_test_card *); | |
763 | int (*run)(struct mmc_test_card *); | |
764 | int (*cleanup)(struct mmc_test_card *); | |
765 | }; | |
766 | ||
767 | static int mmc_test_basic_write(struct mmc_test_card *test) | |
768 | { | |
769 | int ret; | |
6b174931 | 770 | struct scatterlist sg; |
88ae600d PO |
771 | |
772 | ret = mmc_test_set_blksize(test, 512); | |
773 | if (ret) | |
774 | return ret; | |
775 | ||
6b174931 PO |
776 | sg_init_one(&sg, test->buffer, 512); |
777 | ||
778 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
779 | if (ret) |
780 | return ret; | |
781 | ||
782 | return 0; | |
783 | } | |
784 | ||
785 | static int mmc_test_basic_read(struct mmc_test_card *test) | |
786 | { | |
787 | int ret; | |
6b174931 | 788 | struct scatterlist sg; |
88ae600d PO |
789 | |
790 | ret = mmc_test_set_blksize(test, 512); | |
791 | if (ret) | |
792 | return ret; | |
793 | ||
6b174931 PO |
794 | sg_init_one(&sg, test->buffer, 512); |
795 | ||
58a5dd3e | 796 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
797 | if (ret) |
798 | return ret; | |
799 | ||
800 | return 0; | |
801 | } | |
802 | ||
803 | static int mmc_test_verify_write(struct mmc_test_card *test) | |
804 | { | |
805 | int ret; | |
6b174931 PO |
806 | struct scatterlist sg; |
807 | ||
808 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 809 | |
6b174931 | 810 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
88ae600d PO |
811 | if (ret) |
812 | return ret; | |
813 | ||
814 | return 0; | |
815 | } | |
816 | ||
817 | static int mmc_test_verify_read(struct mmc_test_card *test) | |
818 | { | |
819 | int ret; | |
6b174931 PO |
820 | struct scatterlist sg; |
821 | ||
822 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 823 | |
6b174931 | 824 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
825 | if (ret) |
826 | return ret; | |
827 | ||
828 | return 0; | |
829 | } | |
830 | ||
831 | static int mmc_test_multi_write(struct mmc_test_card *test) | |
832 | { | |
833 | int ret; | |
834 | unsigned int size; | |
6b174931 | 835 | struct scatterlist sg; |
88ae600d PO |
836 | |
837 | if (test->card->host->max_blk_count == 1) | |
838 | return RESULT_UNSUP_HOST; | |
839 | ||
840 | size = PAGE_SIZE * 2; | |
841 | size = min(size, test->card->host->max_req_size); | |
842 | size = min(size, test->card->host->max_seg_size); | |
843 | size = min(size, test->card->host->max_blk_count * 512); | |
844 | ||
845 | if (size < 1024) | |
846 | return RESULT_UNSUP_HOST; | |
847 | ||
6b174931 PO |
848 | sg_init_one(&sg, test->buffer, size); |
849 | ||
850 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
851 | if (ret) |
852 | return ret; | |
853 | ||
854 | return 0; | |
855 | } | |
856 | ||
857 | static int mmc_test_multi_read(struct mmc_test_card *test) | |
858 | { | |
859 | int ret; | |
860 | unsigned int size; | |
6b174931 | 861 | struct scatterlist sg; |
88ae600d PO |
862 | |
863 | if (test->card->host->max_blk_count == 1) | |
864 | return RESULT_UNSUP_HOST; | |
865 | ||
866 | size = PAGE_SIZE * 2; | |
867 | size = min(size, test->card->host->max_req_size); | |
868 | size = min(size, test->card->host->max_seg_size); | |
869 | size = min(size, test->card->host->max_blk_count * 512); | |
870 | ||
871 | if (size < 1024) | |
872 | return RESULT_UNSUP_HOST; | |
873 | ||
6b174931 PO |
874 | sg_init_one(&sg, test->buffer, size); |
875 | ||
876 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
877 | if (ret) |
878 | return ret; | |
879 | ||
880 | return 0; | |
881 | } | |
882 | ||
883 | static int mmc_test_pow2_write(struct mmc_test_card *test) | |
884 | { | |
885 | int ret, i; | |
6b174931 | 886 | struct scatterlist sg; |
88ae600d PO |
887 | |
888 | if (!test->card->csd.write_partial) | |
889 | return RESULT_UNSUP_CARD; | |
890 | ||
891 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
892 | sg_init_one(&sg, test->buffer, i); |
893 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
894 | if (ret) |
895 | return ret; | |
896 | } | |
897 | ||
898 | return 0; | |
899 | } | |
900 | ||
901 | static int mmc_test_pow2_read(struct mmc_test_card *test) | |
902 | { | |
903 | int ret, i; | |
6b174931 | 904 | struct scatterlist sg; |
88ae600d PO |
905 | |
906 | if (!test->card->csd.read_partial) | |
907 | return RESULT_UNSUP_CARD; | |
908 | ||
909 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
910 | sg_init_one(&sg, test->buffer, i); |
911 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
912 | if (ret) |
913 | return ret; | |
914 | } | |
915 | ||
916 | return 0; | |
917 | } | |
918 | ||
919 | static int mmc_test_weird_write(struct mmc_test_card *test) | |
920 | { | |
921 | int ret, i; | |
6b174931 | 922 | struct scatterlist sg; |
88ae600d PO |
923 | |
924 | if (!test->card->csd.write_partial) | |
925 | return RESULT_UNSUP_CARD; | |
926 | ||
927 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
928 | sg_init_one(&sg, test->buffer, i); |
929 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
930 | if (ret) |
931 | return ret; | |
932 | } | |
933 | ||
934 | return 0; | |
935 | } | |
936 | ||
937 | static int mmc_test_weird_read(struct mmc_test_card *test) | |
938 | { | |
939 | int ret, i; | |
6b174931 | 940 | struct scatterlist sg; |
88ae600d PO |
941 | |
942 | if (!test->card->csd.read_partial) | |
943 | return RESULT_UNSUP_CARD; | |
944 | ||
945 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
946 | sg_init_one(&sg, test->buffer, i); |
947 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
948 | if (ret) |
949 | return ret; | |
950 | } | |
951 | ||
952 | return 0; | |
953 | } | |
954 | ||
955 | static int mmc_test_align_write(struct mmc_test_card *test) | |
956 | { | |
957 | int ret, i; | |
6b174931 | 958 | struct scatterlist sg; |
88ae600d PO |
959 | |
960 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
961 | sg_init_one(&sg, test->buffer + i, 512); |
962 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
963 | if (ret) |
964 | return ret; | |
965 | } | |
966 | ||
967 | return 0; | |
968 | } | |
969 | ||
970 | static int mmc_test_align_read(struct mmc_test_card *test) | |
971 | { | |
972 | int ret, i; | |
6b174931 | 973 | struct scatterlist sg; |
88ae600d PO |
974 | |
975 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
976 | sg_init_one(&sg, test->buffer + i, 512); |
977 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
88ae600d PO |
978 | if (ret) |
979 | return ret; | |
980 | } | |
981 | ||
982 | return 0; | |
983 | } | |
984 | ||
985 | static int mmc_test_align_multi_write(struct mmc_test_card *test) | |
986 | { | |
987 | int ret, i; | |
988 | unsigned int size; | |
6b174931 | 989 | struct scatterlist sg; |
88ae600d PO |
990 | |
991 | if (test->card->host->max_blk_count == 1) | |
992 | return RESULT_UNSUP_HOST; | |
993 | ||
994 | size = PAGE_SIZE * 2; | |
995 | size = min(size, test->card->host->max_req_size); | |
996 | size = min(size, test->card->host->max_seg_size); | |
997 | size = min(size, test->card->host->max_blk_count * 512); | |
998 | ||
999 | if (size < 1024) | |
1000 | return RESULT_UNSUP_HOST; | |
1001 | ||
1002 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1003 | sg_init_one(&sg, test->buffer + i, size); |
1004 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1005 | if (ret) |
1006 | return ret; | |
1007 | } | |
1008 | ||
1009 | return 0; | |
1010 | } | |
1011 | ||
1012 | static int mmc_test_align_multi_read(struct mmc_test_card *test) | |
1013 | { | |
1014 | int ret, i; | |
1015 | unsigned int size; | |
6b174931 | 1016 | struct scatterlist sg; |
88ae600d PO |
1017 | |
1018 | if (test->card->host->max_blk_count == 1) | |
1019 | return RESULT_UNSUP_HOST; | |
1020 | ||
1021 | size = PAGE_SIZE * 2; | |
1022 | size = min(size, test->card->host->max_req_size); | |
1023 | size = min(size, test->card->host->max_seg_size); | |
1024 | size = min(size, test->card->host->max_blk_count * 512); | |
1025 | ||
1026 | if (size < 1024) | |
1027 | return RESULT_UNSUP_HOST; | |
1028 | ||
1029 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1030 | sg_init_one(&sg, test->buffer + i, size); |
1031 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1032 | if (ret) |
1033 | return ret; | |
1034 | } | |
1035 | ||
1036 | return 0; | |
1037 | } | |
1038 | ||
1039 | static int mmc_test_xfersize_write(struct mmc_test_card *test) | |
1040 | { | |
1041 | int ret; | |
1042 | ||
1043 | ret = mmc_test_set_blksize(test, 512); | |
1044 | if (ret) | |
1045 | return ret; | |
1046 | ||
6b174931 | 1047 | ret = mmc_test_broken_transfer(test, 1, 512, 1); |
88ae600d PO |
1048 | if (ret) |
1049 | return ret; | |
1050 | ||
1051 | return 0; | |
1052 | } | |
1053 | ||
1054 | static int mmc_test_xfersize_read(struct mmc_test_card *test) | |
1055 | { | |
1056 | int ret; | |
1057 | ||
1058 | ret = mmc_test_set_blksize(test, 512); | |
1059 | if (ret) | |
1060 | return ret; | |
1061 | ||
6b174931 | 1062 | ret = mmc_test_broken_transfer(test, 1, 512, 0); |
88ae600d PO |
1063 | if (ret) |
1064 | return ret; | |
1065 | ||
1066 | return 0; | |
1067 | } | |
1068 | ||
1069 | static int mmc_test_multi_xfersize_write(struct mmc_test_card *test) | |
1070 | { | |
1071 | int ret; | |
1072 | ||
1073 | if (test->card->host->max_blk_count == 1) | |
1074 | return RESULT_UNSUP_HOST; | |
1075 | ||
1076 | ret = mmc_test_set_blksize(test, 512); | |
1077 | if (ret) | |
1078 | return ret; | |
1079 | ||
6b174931 | 1080 | ret = mmc_test_broken_transfer(test, 2, 512, 1); |
88ae600d PO |
1081 | if (ret) |
1082 | return ret; | |
1083 | ||
1084 | return 0; | |
1085 | } | |
1086 | ||
1087 | static int mmc_test_multi_xfersize_read(struct mmc_test_card *test) | |
1088 | { | |
1089 | int ret; | |
1090 | ||
1091 | if (test->card->host->max_blk_count == 1) | |
1092 | return RESULT_UNSUP_HOST; | |
1093 | ||
1094 | ret = mmc_test_set_blksize(test, 512); | |
1095 | if (ret) | |
1096 | return ret; | |
1097 | ||
6b174931 | 1098 | ret = mmc_test_broken_transfer(test, 2, 512, 0); |
88ae600d PO |
1099 | if (ret) |
1100 | return ret; | |
1101 | ||
1102 | return 0; | |
1103 | } | |
1104 | ||
2661081f PO |
1105 | #ifdef CONFIG_HIGHMEM |
1106 | ||
1107 | static int mmc_test_write_high(struct mmc_test_card *test) | |
1108 | { | |
1109 | int ret; | |
1110 | struct scatterlist sg; | |
1111 | ||
1112 | sg_init_table(&sg, 1); | |
1113 | sg_set_page(&sg, test->highmem, 512, 0); | |
1114 | ||
1115 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
1116 | if (ret) | |
1117 | return ret; | |
1118 | ||
1119 | return 0; | |
1120 | } | |
1121 | ||
1122 | static int mmc_test_read_high(struct mmc_test_card *test) | |
1123 | { | |
1124 | int ret; | |
1125 | struct scatterlist sg; | |
1126 | ||
1127 | sg_init_table(&sg, 1); | |
1128 | sg_set_page(&sg, test->highmem, 512, 0); | |
1129 | ||
1130 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
1131 | if (ret) | |
1132 | return ret; | |
1133 | ||
1134 | return 0; | |
1135 | } | |
1136 | ||
1137 | static int mmc_test_multi_write_high(struct mmc_test_card *test) | |
1138 | { | |
1139 | int ret; | |
1140 | unsigned int size; | |
1141 | struct scatterlist sg; | |
1142 | ||
1143 | if (test->card->host->max_blk_count == 1) | |
1144 | return RESULT_UNSUP_HOST; | |
1145 | ||
1146 | size = PAGE_SIZE * 2; | |
1147 | size = min(size, test->card->host->max_req_size); | |
1148 | size = min(size, test->card->host->max_seg_size); | |
1149 | size = min(size, test->card->host->max_blk_count * 512); | |
1150 | ||
1151 | if (size < 1024) | |
1152 | return RESULT_UNSUP_HOST; | |
1153 | ||
1154 | sg_init_table(&sg, 1); | |
1155 | sg_set_page(&sg, test->highmem, size, 0); | |
1156 | ||
1157 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
1158 | if (ret) | |
1159 | return ret; | |
1160 | ||
1161 | return 0; | |
1162 | } | |
1163 | ||
1164 | static int mmc_test_multi_read_high(struct mmc_test_card *test) | |
1165 | { | |
1166 | int ret; | |
1167 | unsigned int size; | |
1168 | struct scatterlist sg; | |
1169 | ||
1170 | if (test->card->host->max_blk_count == 1) | |
1171 | return RESULT_UNSUP_HOST; | |
1172 | ||
1173 | size = PAGE_SIZE * 2; | |
1174 | size = min(size, test->card->host->max_req_size); | |
1175 | size = min(size, test->card->host->max_seg_size); | |
1176 | size = min(size, test->card->host->max_blk_count * 512); | |
1177 | ||
1178 | if (size < 1024) | |
1179 | return RESULT_UNSUP_HOST; | |
1180 | ||
1181 | sg_init_table(&sg, 1); | |
1182 | sg_set_page(&sg, test->highmem, size, 0); | |
1183 | ||
1184 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
1185 | if (ret) | |
1186 | return ret; | |
1187 | ||
1188 | return 0; | |
1189 | } | |
1190 | ||
64f7120d AH |
1191 | #else |
1192 | ||
1193 | static int mmc_test_no_highmem(struct mmc_test_card *test) | |
1194 | { | |
1195 | printk(KERN_INFO "%s: Highmem not configured - test skipped\n", | |
1196 | mmc_hostname(test->card->host)); | |
1197 | return 0; | |
1198 | } | |
1199 | ||
2661081f PO |
1200 | #endif /* CONFIG_HIGHMEM */ |
1201 | ||
64f7120d AH |
1202 | /* |
1203 | * Map sz bytes so that it can be transferred. | |
1204 | */ | |
1205 | static int mmc_test_area_map(struct mmc_test_card *test, unsigned int sz, | |
1206 | int max_scatter) | |
1207 | { | |
1208 | struct mmc_test_area *t = &test->area; | |
1209 | ||
1210 | t->blocks = sz >> 9; | |
1211 | ||
1212 | if (max_scatter) { | |
1213 | return mmc_test_map_sg_max_scatter(t->mem, sz, t->sg, | |
1214 | t->max_segs, &t->sg_len); | |
1215 | } else { | |
1216 | return mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, | |
1217 | &t->sg_len); | |
1218 | } | |
1219 | } | |
1220 | ||
1221 | /* | |
1222 | * Transfer bytes mapped by mmc_test_area_map(). | |
1223 | */ | |
1224 | static int mmc_test_area_transfer(struct mmc_test_card *test, | |
1225 | unsigned int dev_addr, int write) | |
1226 | { | |
1227 | struct mmc_test_area *t = &test->area; | |
1228 | ||
1229 | return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr, | |
1230 | t->blocks, 512, write); | |
1231 | } | |
1232 | ||
1233 | /* | |
1234 | * Map and transfer bytes. | |
1235 | */ | |
1236 | static int mmc_test_area_io(struct mmc_test_card *test, unsigned int sz, | |
1237 | unsigned int dev_addr, int write, int max_scatter, | |
1238 | int timed) | |
1239 | { | |
1240 | struct timespec ts1, ts2; | |
1241 | int ret; | |
1242 | ||
1243 | ret = mmc_test_area_map(test, sz, max_scatter); | |
1244 | if (ret) | |
1245 | return ret; | |
1246 | ||
1247 | if (timed) | |
1248 | getnstimeofday(&ts1); | |
1249 | ||
1250 | ret = mmc_test_area_transfer(test, dev_addr, write); | |
1251 | if (ret) | |
1252 | return ret; | |
1253 | ||
1254 | if (timed) | |
1255 | getnstimeofday(&ts2); | |
1256 | ||
1257 | if (timed) | |
1258 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1259 | ||
1260 | return 0; | |
1261 | } | |
1262 | ||
1263 | /* | |
1264 | * Write the test area entirely. | |
1265 | */ | |
1266 | static int mmc_test_area_fill(struct mmc_test_card *test) | |
1267 | { | |
1268 | return mmc_test_area_io(test, test->area.max_sz, test->area.dev_addr, | |
1269 | 1, 0, 0); | |
1270 | } | |
1271 | ||
1272 | /* | |
1273 | * Erase the test area entirely. | |
1274 | */ | |
1275 | static int mmc_test_area_erase(struct mmc_test_card *test) | |
1276 | { | |
1277 | struct mmc_test_area *t = &test->area; | |
1278 | ||
1279 | if (!mmc_can_erase(test->card)) | |
1280 | return 0; | |
1281 | ||
1282 | return mmc_erase(test->card, t->dev_addr, test->area.max_sz >> 9, | |
1283 | MMC_ERASE_ARG); | |
1284 | } | |
1285 | ||
1286 | /* | |
1287 | * Cleanup struct mmc_test_area. | |
1288 | */ | |
1289 | static int mmc_test_area_cleanup(struct mmc_test_card *test) | |
1290 | { | |
1291 | struct mmc_test_area *t = &test->area; | |
1292 | ||
1293 | kfree(t->sg); | |
1294 | mmc_test_free_mem(t->mem); | |
1295 | ||
1296 | return 0; | |
1297 | } | |
1298 | ||
1299 | /* | |
1300 | * Initialize an area for testing large transfers. The size of the area is the | |
1301 | * preferred erase size which is a good size for optimal transfer speed. Note | |
1302 | * that is typically 4MiB for modern cards. The test area is set to the middle | |
1303 | * of the card because cards may have different charateristics at the front | |
1304 | * (for FAT file system optimization). Optionally, the area is erased (if the | |
1305 | * card supports it) which may improve write performance. Optionally, the area | |
1306 | * is filled with data for subsequent read tests. | |
1307 | */ | |
1308 | static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill) | |
1309 | { | |
1310 | struct mmc_test_area *t = &test->area; | |
1311 | unsigned int min_sz = 64 * 1024; | |
1312 | int ret; | |
1313 | ||
1314 | ret = mmc_test_set_blksize(test, 512); | |
1315 | if (ret) | |
1316 | return ret; | |
1317 | ||
1318 | /* | |
1319 | * Try to allocate enough memory for the whole area. Less is OK | |
1320 | * because the same memory can be mapped into the scatterlist more than | |
1321 | * once. | |
1322 | */ | |
1323 | t->max_sz = test->card->pref_erase << 9; | |
1324 | t->mem = mmc_test_alloc_mem(min_sz, t->max_sz); | |
1325 | if (!t->mem) | |
1326 | return -ENOMEM; | |
1327 | ||
1328 | t->max_segs = DIV_ROUND_UP(t->max_sz, PAGE_SIZE); | |
1329 | t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL); | |
1330 | if (!t->sg) { | |
1331 | ret = -ENOMEM; | |
1332 | goto out_free; | |
1333 | } | |
1334 | ||
1335 | t->dev_addr = mmc_test_capacity(test->card) / 2; | |
1336 | t->dev_addr -= t->dev_addr % (t->max_sz >> 9); | |
1337 | ||
1338 | if (erase) { | |
1339 | ret = mmc_test_area_erase(test); | |
1340 | if (ret) | |
1341 | goto out_free; | |
1342 | } | |
1343 | ||
1344 | if (fill) { | |
1345 | ret = mmc_test_area_fill(test); | |
1346 | if (ret) | |
1347 | goto out_free; | |
1348 | } | |
1349 | ||
1350 | return 0; | |
1351 | ||
1352 | out_free: | |
1353 | mmc_test_area_cleanup(test); | |
1354 | return ret; | |
1355 | } | |
1356 | ||
1357 | /* | |
1358 | * Prepare for large transfers. Do not erase the test area. | |
1359 | */ | |
1360 | static int mmc_test_area_prepare(struct mmc_test_card *test) | |
1361 | { | |
1362 | return mmc_test_area_init(test, 0, 0); | |
1363 | } | |
1364 | ||
1365 | /* | |
1366 | * Prepare for large transfers. Do erase the test area. | |
1367 | */ | |
1368 | static int mmc_test_area_prepare_erase(struct mmc_test_card *test) | |
1369 | { | |
1370 | return mmc_test_area_init(test, 1, 0); | |
1371 | } | |
1372 | ||
1373 | /* | |
1374 | * Prepare for large transfers. Erase and fill the test area. | |
1375 | */ | |
1376 | static int mmc_test_area_prepare_fill(struct mmc_test_card *test) | |
1377 | { | |
1378 | return mmc_test_area_init(test, 1, 1); | |
1379 | } | |
1380 | ||
1381 | /* | |
1382 | * Test best-case performance. Best-case performance is expected from | |
1383 | * a single large transfer. | |
1384 | * | |
1385 | * An additional option (max_scatter) allows the measurement of the same | |
1386 | * transfer but with no contiguous pages in the scatter list. This tests | |
1387 | * the efficiency of DMA to handle scattered pages. | |
1388 | */ | |
1389 | static int mmc_test_best_performance(struct mmc_test_card *test, int write, | |
1390 | int max_scatter) | |
1391 | { | |
1392 | return mmc_test_area_io(test, test->area.max_sz, test->area.dev_addr, | |
1393 | write, max_scatter, 1); | |
1394 | } | |
1395 | ||
1396 | /* | |
1397 | * Best-case read performance. | |
1398 | */ | |
1399 | static int mmc_test_best_read_performance(struct mmc_test_card *test) | |
1400 | { | |
1401 | return mmc_test_best_performance(test, 0, 0); | |
1402 | } | |
1403 | ||
1404 | /* | |
1405 | * Best-case write performance. | |
1406 | */ | |
1407 | static int mmc_test_best_write_performance(struct mmc_test_card *test) | |
1408 | { | |
1409 | return mmc_test_best_performance(test, 1, 0); | |
1410 | } | |
1411 | ||
1412 | /* | |
1413 | * Best-case read performance into scattered pages. | |
1414 | */ | |
1415 | static int mmc_test_best_read_perf_max_scatter(struct mmc_test_card *test) | |
1416 | { | |
1417 | return mmc_test_best_performance(test, 0, 1); | |
1418 | } | |
1419 | ||
1420 | /* | |
1421 | * Best-case write performance from scattered pages. | |
1422 | */ | |
1423 | static int mmc_test_best_write_perf_max_scatter(struct mmc_test_card *test) | |
1424 | { | |
1425 | return mmc_test_best_performance(test, 1, 1); | |
1426 | } | |
1427 | ||
1428 | /* | |
1429 | * Single read performance by transfer size. | |
1430 | */ | |
1431 | static int mmc_test_profile_read_perf(struct mmc_test_card *test) | |
1432 | { | |
1433 | unsigned int sz, dev_addr; | |
1434 | int ret; | |
1435 | ||
1436 | for (sz = 512; sz < test->area.max_sz; sz <<= 1) { | |
1437 | dev_addr = test->area.dev_addr + (sz >> 9); | |
1438 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); | |
1439 | if (ret) | |
1440 | return ret; | |
1441 | } | |
1442 | dev_addr = test->area.dev_addr; | |
1443 | return mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); | |
1444 | } | |
1445 | ||
1446 | /* | |
1447 | * Single write performance by transfer size. | |
1448 | */ | |
1449 | static int mmc_test_profile_write_perf(struct mmc_test_card *test) | |
1450 | { | |
1451 | unsigned int sz, dev_addr; | |
1452 | int ret; | |
1453 | ||
1454 | ret = mmc_test_area_erase(test); | |
1455 | if (ret) | |
1456 | return ret; | |
1457 | for (sz = 512; sz < test->area.max_sz; sz <<= 1) { | |
1458 | dev_addr = test->area.dev_addr + (sz >> 9); | |
1459 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); | |
1460 | if (ret) | |
1461 | return ret; | |
1462 | } | |
1463 | ret = mmc_test_area_erase(test); | |
1464 | if (ret) | |
1465 | return ret; | |
1466 | dev_addr = test->area.dev_addr; | |
1467 | return mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); | |
1468 | } | |
1469 | ||
1470 | /* | |
1471 | * Single trim performance by transfer size. | |
1472 | */ | |
1473 | static int mmc_test_profile_trim_perf(struct mmc_test_card *test) | |
1474 | { | |
1475 | unsigned int sz, dev_addr; | |
1476 | struct timespec ts1, ts2; | |
1477 | int ret; | |
1478 | ||
1479 | if (!mmc_can_trim(test->card)) | |
1480 | return RESULT_UNSUP_CARD; | |
1481 | ||
1482 | if (!mmc_can_erase(test->card)) | |
1483 | return RESULT_UNSUP_HOST; | |
1484 | ||
1485 | for (sz = 512; sz < test->area.max_sz; sz <<= 1) { | |
1486 | dev_addr = test->area.dev_addr + (sz >> 9); | |
1487 | getnstimeofday(&ts1); | |
1488 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1489 | if (ret) | |
1490 | return ret; | |
1491 | getnstimeofday(&ts2); | |
1492 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1493 | } | |
1494 | dev_addr = test->area.dev_addr; | |
1495 | getnstimeofday(&ts1); | |
1496 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1497 | if (ret) | |
1498 | return ret; | |
1499 | getnstimeofday(&ts2); | |
1500 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1501 | return 0; | |
1502 | } | |
1503 | ||
1504 | /* | |
1505 | * Consecutive read performance by transfer size. | |
1506 | */ | |
1507 | static int mmc_test_profile_seq_read_perf(struct mmc_test_card *test) | |
1508 | { | |
1509 | unsigned int sz, dev_addr, i, cnt; | |
1510 | struct timespec ts1, ts2; | |
1511 | int ret; | |
1512 | ||
1513 | for (sz = 512; sz <= test->area.max_sz; sz <<= 1) { | |
1514 | cnt = test->area.max_sz / sz; | |
1515 | dev_addr = test->area.dev_addr; | |
1516 | getnstimeofday(&ts1); | |
1517 | for (i = 0; i < cnt; i++) { | |
1518 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 0); | |
1519 | if (ret) | |
1520 | return ret; | |
1521 | dev_addr += (sz >> 9); | |
1522 | } | |
1523 | getnstimeofday(&ts2); | |
1524 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1525 | } | |
1526 | return 0; | |
1527 | } | |
1528 | ||
1529 | /* | |
1530 | * Consecutive write performance by transfer size. | |
1531 | */ | |
1532 | static int mmc_test_profile_seq_write_perf(struct mmc_test_card *test) | |
1533 | { | |
1534 | unsigned int sz, dev_addr, i, cnt; | |
1535 | struct timespec ts1, ts2; | |
1536 | int ret; | |
1537 | ||
1538 | for (sz = 512; sz <= test->area.max_sz; sz <<= 1) { | |
1539 | ret = mmc_test_area_erase(test); | |
1540 | if (ret) | |
1541 | return ret; | |
1542 | cnt = test->area.max_sz / sz; | |
1543 | dev_addr = test->area.dev_addr; | |
1544 | getnstimeofday(&ts1); | |
1545 | for (i = 0; i < cnt; i++) { | |
1546 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 0); | |
1547 | if (ret) | |
1548 | return ret; | |
1549 | dev_addr += (sz >> 9); | |
1550 | } | |
1551 | getnstimeofday(&ts2); | |
1552 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1553 | } | |
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | /* | |
1558 | * Consecutive trim performance by transfer size. | |
1559 | */ | |
1560 | static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test) | |
1561 | { | |
1562 | unsigned int sz, dev_addr, i, cnt; | |
1563 | struct timespec ts1, ts2; | |
1564 | int ret; | |
1565 | ||
1566 | if (!mmc_can_trim(test->card)) | |
1567 | return RESULT_UNSUP_CARD; | |
1568 | ||
1569 | if (!mmc_can_erase(test->card)) | |
1570 | return RESULT_UNSUP_HOST; | |
1571 | ||
1572 | for (sz = 512; sz <= test->area.max_sz; sz <<= 1) { | |
1573 | ret = mmc_test_area_erase(test); | |
1574 | if (ret) | |
1575 | return ret; | |
1576 | ret = mmc_test_area_fill(test); | |
1577 | if (ret) | |
1578 | return ret; | |
1579 | cnt = test->area.max_sz / sz; | |
1580 | dev_addr = test->area.dev_addr; | |
1581 | getnstimeofday(&ts1); | |
1582 | for (i = 0; i < cnt; i++) { | |
1583 | ret = mmc_erase(test->card, dev_addr, sz >> 9, | |
1584 | MMC_TRIM_ARG); | |
1585 | if (ret) | |
1586 | return ret; | |
1587 | dev_addr += (sz >> 9); | |
1588 | } | |
1589 | getnstimeofday(&ts2); | |
1590 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1591 | } | |
1592 | return 0; | |
1593 | } | |
1594 | ||
88ae600d PO |
1595 | static const struct mmc_test_case mmc_test_cases[] = { |
1596 | { | |
1597 | .name = "Basic write (no data verification)", | |
1598 | .run = mmc_test_basic_write, | |
1599 | }, | |
1600 | ||
1601 | { | |
1602 | .name = "Basic read (no data verification)", | |
1603 | .run = mmc_test_basic_read, | |
1604 | }, | |
1605 | ||
1606 | { | |
1607 | .name = "Basic write (with data verification)", | |
6b174931 | 1608 | .prepare = mmc_test_prepare_write, |
88ae600d | 1609 | .run = mmc_test_verify_write, |
6b174931 | 1610 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1611 | }, |
1612 | ||
1613 | { | |
1614 | .name = "Basic read (with data verification)", | |
6b174931 | 1615 | .prepare = mmc_test_prepare_read, |
88ae600d | 1616 | .run = mmc_test_verify_read, |
6b174931 | 1617 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1618 | }, |
1619 | ||
1620 | { | |
1621 | .name = "Multi-block write", | |
6b174931 | 1622 | .prepare = mmc_test_prepare_write, |
88ae600d | 1623 | .run = mmc_test_multi_write, |
6b174931 | 1624 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1625 | }, |
1626 | ||
1627 | { | |
1628 | .name = "Multi-block read", | |
6b174931 | 1629 | .prepare = mmc_test_prepare_read, |
88ae600d | 1630 | .run = mmc_test_multi_read, |
6b174931 | 1631 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1632 | }, |
1633 | ||
1634 | { | |
1635 | .name = "Power of two block writes", | |
6b174931 | 1636 | .prepare = mmc_test_prepare_write, |
88ae600d | 1637 | .run = mmc_test_pow2_write, |
6b174931 | 1638 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1639 | }, |
1640 | ||
1641 | { | |
1642 | .name = "Power of two block reads", | |
6b174931 | 1643 | .prepare = mmc_test_prepare_read, |
88ae600d | 1644 | .run = mmc_test_pow2_read, |
6b174931 | 1645 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1646 | }, |
1647 | ||
1648 | { | |
1649 | .name = "Weird sized block writes", | |
6b174931 | 1650 | .prepare = mmc_test_prepare_write, |
88ae600d | 1651 | .run = mmc_test_weird_write, |
6b174931 | 1652 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1653 | }, |
1654 | ||
1655 | { | |
1656 | .name = "Weird sized block reads", | |
6b174931 | 1657 | .prepare = mmc_test_prepare_read, |
88ae600d | 1658 | .run = mmc_test_weird_read, |
6b174931 | 1659 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1660 | }, |
1661 | ||
1662 | { | |
1663 | .name = "Badly aligned write", | |
6b174931 | 1664 | .prepare = mmc_test_prepare_write, |
88ae600d | 1665 | .run = mmc_test_align_write, |
6b174931 | 1666 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1667 | }, |
1668 | ||
1669 | { | |
1670 | .name = "Badly aligned read", | |
6b174931 | 1671 | .prepare = mmc_test_prepare_read, |
88ae600d | 1672 | .run = mmc_test_align_read, |
6b174931 | 1673 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1674 | }, |
1675 | ||
1676 | { | |
1677 | .name = "Badly aligned multi-block write", | |
6b174931 | 1678 | .prepare = mmc_test_prepare_write, |
88ae600d | 1679 | .run = mmc_test_align_multi_write, |
6b174931 | 1680 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1681 | }, |
1682 | ||
1683 | { | |
1684 | .name = "Badly aligned multi-block read", | |
6b174931 | 1685 | .prepare = mmc_test_prepare_read, |
88ae600d | 1686 | .run = mmc_test_align_multi_read, |
6b174931 | 1687 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1688 | }, |
1689 | ||
1690 | { | |
1691 | .name = "Correct xfer_size at write (start failure)", | |
1692 | .run = mmc_test_xfersize_write, | |
1693 | }, | |
1694 | ||
1695 | { | |
1696 | .name = "Correct xfer_size at read (start failure)", | |
1697 | .run = mmc_test_xfersize_read, | |
1698 | }, | |
1699 | ||
1700 | { | |
1701 | .name = "Correct xfer_size at write (midway failure)", | |
1702 | .run = mmc_test_multi_xfersize_write, | |
1703 | }, | |
1704 | ||
1705 | { | |
1706 | .name = "Correct xfer_size at read (midway failure)", | |
1707 | .run = mmc_test_multi_xfersize_read, | |
1708 | }, | |
2661081f PO |
1709 | |
1710 | #ifdef CONFIG_HIGHMEM | |
1711 | ||
1712 | { | |
1713 | .name = "Highmem write", | |
1714 | .prepare = mmc_test_prepare_write, | |
1715 | .run = mmc_test_write_high, | |
1716 | .cleanup = mmc_test_cleanup, | |
1717 | }, | |
1718 | ||
1719 | { | |
1720 | .name = "Highmem read", | |
1721 | .prepare = mmc_test_prepare_read, | |
1722 | .run = mmc_test_read_high, | |
1723 | .cleanup = mmc_test_cleanup, | |
1724 | }, | |
1725 | ||
1726 | { | |
1727 | .name = "Multi-block highmem write", | |
1728 | .prepare = mmc_test_prepare_write, | |
1729 | .run = mmc_test_multi_write_high, | |
1730 | .cleanup = mmc_test_cleanup, | |
1731 | }, | |
1732 | ||
1733 | { | |
1734 | .name = "Multi-block highmem read", | |
1735 | .prepare = mmc_test_prepare_read, | |
1736 | .run = mmc_test_multi_read_high, | |
1737 | .cleanup = mmc_test_cleanup, | |
1738 | }, | |
1739 | ||
64f7120d AH |
1740 | #else |
1741 | ||
1742 | { | |
1743 | .name = "Highmem write", | |
1744 | .run = mmc_test_no_highmem, | |
1745 | }, | |
1746 | ||
1747 | { | |
1748 | .name = "Highmem read", | |
1749 | .run = mmc_test_no_highmem, | |
1750 | }, | |
1751 | ||
1752 | { | |
1753 | .name = "Multi-block highmem write", | |
1754 | .run = mmc_test_no_highmem, | |
1755 | }, | |
1756 | ||
1757 | { | |
1758 | .name = "Multi-block highmem read", | |
1759 | .run = mmc_test_no_highmem, | |
1760 | }, | |
1761 | ||
2661081f PO |
1762 | #endif /* CONFIG_HIGHMEM */ |
1763 | ||
64f7120d AH |
1764 | { |
1765 | .name = "Best-case read performance", | |
1766 | .prepare = mmc_test_area_prepare_fill, | |
1767 | .run = mmc_test_best_read_performance, | |
1768 | .cleanup = mmc_test_area_cleanup, | |
1769 | }, | |
1770 | ||
1771 | { | |
1772 | .name = "Best-case write performance", | |
1773 | .prepare = mmc_test_area_prepare_erase, | |
1774 | .run = mmc_test_best_write_performance, | |
1775 | .cleanup = mmc_test_area_cleanup, | |
1776 | }, | |
1777 | ||
1778 | { | |
1779 | .name = "Best-case read performance into scattered pages", | |
1780 | .prepare = mmc_test_area_prepare_fill, | |
1781 | .run = mmc_test_best_read_perf_max_scatter, | |
1782 | .cleanup = mmc_test_area_cleanup, | |
1783 | }, | |
1784 | ||
1785 | { | |
1786 | .name = "Best-case write performance from scattered pages", | |
1787 | .prepare = mmc_test_area_prepare_erase, | |
1788 | .run = mmc_test_best_write_perf_max_scatter, | |
1789 | .cleanup = mmc_test_area_cleanup, | |
1790 | }, | |
1791 | ||
1792 | { | |
1793 | .name = "Single read performance by transfer size", | |
1794 | .prepare = mmc_test_area_prepare_fill, | |
1795 | .run = mmc_test_profile_read_perf, | |
1796 | .cleanup = mmc_test_area_cleanup, | |
1797 | }, | |
1798 | ||
1799 | { | |
1800 | .name = "Single write performance by transfer size", | |
1801 | .prepare = mmc_test_area_prepare, | |
1802 | .run = mmc_test_profile_write_perf, | |
1803 | .cleanup = mmc_test_area_cleanup, | |
1804 | }, | |
1805 | ||
1806 | { | |
1807 | .name = "Single trim performance by transfer size", | |
1808 | .prepare = mmc_test_area_prepare_fill, | |
1809 | .run = mmc_test_profile_trim_perf, | |
1810 | .cleanup = mmc_test_area_cleanup, | |
1811 | }, | |
1812 | ||
1813 | { | |
1814 | .name = "Consecutive read performance by transfer size", | |
1815 | .prepare = mmc_test_area_prepare_fill, | |
1816 | .run = mmc_test_profile_seq_read_perf, | |
1817 | .cleanup = mmc_test_area_cleanup, | |
1818 | }, | |
1819 | ||
1820 | { | |
1821 | .name = "Consecutive write performance by transfer size", | |
1822 | .prepare = mmc_test_area_prepare, | |
1823 | .run = mmc_test_profile_seq_write_perf, | |
1824 | .cleanup = mmc_test_area_cleanup, | |
1825 | }, | |
1826 | ||
1827 | { | |
1828 | .name = "Consecutive trim performance by transfer size", | |
1829 | .prepare = mmc_test_area_prepare, | |
1830 | .run = mmc_test_profile_seq_trim_perf, | |
1831 | .cleanup = mmc_test_area_cleanup, | |
1832 | }, | |
1833 | ||
88ae600d PO |
1834 | }; |
1835 | ||
a650031a | 1836 | static DEFINE_MUTEX(mmc_test_lock); |
88ae600d | 1837 | |
fd8c326c | 1838 | static void mmc_test_run(struct mmc_test_card *test, int testcase) |
88ae600d PO |
1839 | { |
1840 | int i, ret; | |
1841 | ||
1842 | printk(KERN_INFO "%s: Starting tests of card %s...\n", | |
1843 | mmc_hostname(test->card->host), mmc_card_id(test->card)); | |
1844 | ||
1845 | mmc_claim_host(test->card->host); | |
1846 | ||
1847 | for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) { | |
fd8c326c PO |
1848 | if (testcase && ((i + 1) != testcase)) |
1849 | continue; | |
1850 | ||
88ae600d PO |
1851 | printk(KERN_INFO "%s: Test case %d. %s...\n", |
1852 | mmc_hostname(test->card->host), i + 1, | |
1853 | mmc_test_cases[i].name); | |
1854 | ||
1855 | if (mmc_test_cases[i].prepare) { | |
1856 | ret = mmc_test_cases[i].prepare(test); | |
1857 | if (ret) { | |
1858 | printk(KERN_INFO "%s: Result: Prepare " | |
1859 | "stage failed! (%d)\n", | |
1860 | mmc_hostname(test->card->host), | |
1861 | ret); | |
1862 | continue; | |
1863 | } | |
1864 | } | |
1865 | ||
1866 | ret = mmc_test_cases[i].run(test); | |
1867 | switch (ret) { | |
1868 | case RESULT_OK: | |
1869 | printk(KERN_INFO "%s: Result: OK\n", | |
1870 | mmc_hostname(test->card->host)); | |
1871 | break; | |
1872 | case RESULT_FAIL: | |
1873 | printk(KERN_INFO "%s: Result: FAILED\n", | |
1874 | mmc_hostname(test->card->host)); | |
1875 | break; | |
1876 | case RESULT_UNSUP_HOST: | |
1877 | printk(KERN_INFO "%s: Result: UNSUPPORTED " | |
1878 | "(by host)\n", | |
1879 | mmc_hostname(test->card->host)); | |
1880 | break; | |
1881 | case RESULT_UNSUP_CARD: | |
1882 | printk(KERN_INFO "%s: Result: UNSUPPORTED " | |
1883 | "(by card)\n", | |
1884 | mmc_hostname(test->card->host)); | |
1885 | break; | |
1886 | default: | |
1887 | printk(KERN_INFO "%s: Result: ERROR (%d)\n", | |
1888 | mmc_hostname(test->card->host), ret); | |
1889 | } | |
1890 | ||
1891 | if (mmc_test_cases[i].cleanup) { | |
1892 | ret = mmc_test_cases[i].cleanup(test); | |
1893 | if (ret) { | |
1894 | printk(KERN_INFO "%s: Warning: Cleanup " | |
1895 | "stage failed! (%d)\n", | |
1896 | mmc_hostname(test->card->host), | |
1897 | ret); | |
1898 | } | |
1899 | } | |
1900 | } | |
1901 | ||
1902 | mmc_release_host(test->card->host); | |
1903 | ||
1904 | printk(KERN_INFO "%s: Tests completed.\n", | |
1905 | mmc_hostname(test->card->host)); | |
1906 | } | |
1907 | ||
1908 | static ssize_t mmc_test_show(struct device *dev, | |
1909 | struct device_attribute *attr, char *buf) | |
1910 | { | |
1911 | mutex_lock(&mmc_test_lock); | |
1912 | mutex_unlock(&mmc_test_lock); | |
1913 | ||
1914 | return 0; | |
1915 | } | |
1916 | ||
1917 | static ssize_t mmc_test_store(struct device *dev, | |
1918 | struct device_attribute *attr, const char *buf, size_t count) | |
1919 | { | |
1920 | struct mmc_card *card; | |
1921 | struct mmc_test_card *test; | |
fd8c326c | 1922 | int testcase; |
88ae600d PO |
1923 | |
1924 | card = container_of(dev, struct mmc_card, dev); | |
1925 | ||
fd8c326c PO |
1926 | testcase = simple_strtol(buf, NULL, 10); |
1927 | ||
88ae600d PO |
1928 | test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL); |
1929 | if (!test) | |
1930 | return -ENOMEM; | |
1931 | ||
1932 | test->card = card; | |
1933 | ||
1934 | test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); | |
2661081f PO |
1935 | #ifdef CONFIG_HIGHMEM |
1936 | test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); | |
1937 | #endif | |
1938 | ||
1939 | #ifdef CONFIG_HIGHMEM | |
1940 | if (test->buffer && test->highmem) { | |
1941 | #else | |
88ae600d | 1942 | if (test->buffer) { |
2661081f | 1943 | #endif |
88ae600d | 1944 | mutex_lock(&mmc_test_lock); |
fd8c326c | 1945 | mmc_test_run(test, testcase); |
88ae600d PO |
1946 | mutex_unlock(&mmc_test_lock); |
1947 | } | |
1948 | ||
2661081f PO |
1949 | #ifdef CONFIG_HIGHMEM |
1950 | __free_pages(test->highmem, BUFFER_ORDER); | |
1951 | #endif | |
88ae600d PO |
1952 | kfree(test->buffer); |
1953 | kfree(test); | |
1954 | ||
1955 | return count; | |
1956 | } | |
1957 | ||
1958 | static DEVICE_ATTR(test, S_IWUSR | S_IRUGO, mmc_test_show, mmc_test_store); | |
1959 | ||
1960 | static int mmc_test_probe(struct mmc_card *card) | |
1961 | { | |
1962 | int ret; | |
1963 | ||
0121a982 PO |
1964 | if ((card->type != MMC_TYPE_MMC) && (card->type != MMC_TYPE_SD)) |
1965 | return -ENODEV; | |
1966 | ||
88ae600d PO |
1967 | ret = device_create_file(&card->dev, &dev_attr_test); |
1968 | if (ret) | |
1969 | return ret; | |
1970 | ||
60c9c7b1 PO |
1971 | dev_info(&card->dev, "Card claimed for testing.\n"); |
1972 | ||
88ae600d PO |
1973 | return 0; |
1974 | } | |
1975 | ||
1976 | static void mmc_test_remove(struct mmc_card *card) | |
1977 | { | |
1978 | device_remove_file(&card->dev, &dev_attr_test); | |
1979 | } | |
1980 | ||
1981 | static struct mmc_driver mmc_driver = { | |
1982 | .drv = { | |
1983 | .name = "mmc_test", | |
1984 | }, | |
1985 | .probe = mmc_test_probe, | |
1986 | .remove = mmc_test_remove, | |
1987 | }; | |
1988 | ||
1989 | static int __init mmc_test_init(void) | |
1990 | { | |
1991 | return mmc_register_driver(&mmc_driver); | |
1992 | } | |
1993 | ||
1994 | static void __exit mmc_test_exit(void) | |
1995 | { | |
1996 | mmc_unregister_driver(&mmc_driver); | |
1997 | } | |
1998 | ||
1999 | module_init(mmc_test_init); | |
2000 | module_exit(mmc_test_exit); | |
2001 | ||
2002 | MODULE_LICENSE("GPL"); | |
2003 | MODULE_DESCRIPTION("Multimedia Card (MMC) host test driver"); | |
2004 | MODULE_AUTHOR("Pierre Ossman"); |