Commit | Line | Data |
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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> | |
fec4dcce | 19 | #include <linux/swap.h> /* For nr_free_buffer_pages() */ |
88ae600d PO |
20 | |
21 | #define RESULT_OK 0 | |
22 | #define RESULT_FAIL 1 | |
23 | #define RESULT_UNSUP_HOST 2 | |
24 | #define RESULT_UNSUP_CARD 3 | |
25 | ||
2661081f PO |
26 | #define BUFFER_ORDER 2 |
27 | #define BUFFER_SIZE (PAGE_SIZE << BUFFER_ORDER) | |
88ae600d | 28 | |
fec4dcce AH |
29 | /* |
30 | * Limit the test area size to the maximum MMC HC erase group size. Note that | |
31 | * the maximum SD allocation unit size is just 4MiB. | |
32 | */ | |
33 | #define TEST_AREA_MAX_SIZE (128 * 1024 * 1024) | |
34 | ||
64f7120d AH |
35 | /** |
36 | * struct mmc_test_pages - pages allocated by 'alloc_pages()'. | |
37 | * @page: first page in the allocation | |
38 | * @order: order of the number of pages allocated | |
39 | */ | |
40 | struct mmc_test_pages { | |
41 | struct page *page; | |
42 | unsigned int order; | |
43 | }; | |
44 | ||
45 | /** | |
46 | * struct mmc_test_mem - allocated memory. | |
47 | * @arr: array of allocations | |
48 | * @cnt: number of allocations | |
49 | */ | |
50 | struct mmc_test_mem { | |
51 | struct mmc_test_pages *arr; | |
52 | unsigned int cnt; | |
53 | }; | |
54 | ||
55 | /** | |
56 | * struct mmc_test_area - information for performance tests. | |
64f7120d | 57 | * @max_sz: test area size (in bytes) |
fec4dcce | 58 | * @dev_addr: address on card at which to do performance tests |
64f7120d AH |
59 | * @max_segs: maximum segments in scatterlist @sg |
60 | * @blocks: number of (512 byte) blocks currently mapped by @sg | |
61 | * @sg_len: length of currently mapped scatterlist @sg | |
62 | * @mem: allocated memory | |
63 | * @sg: scatterlist | |
64 | */ | |
65 | struct mmc_test_area { | |
fec4dcce | 66 | unsigned long max_sz; |
64f7120d | 67 | unsigned int dev_addr; |
64f7120d AH |
68 | unsigned int max_segs; |
69 | unsigned int blocks; | |
70 | unsigned int sg_len; | |
71 | struct mmc_test_mem *mem; | |
72 | struct scatterlist *sg; | |
73 | }; | |
74 | ||
75 | /** | |
76 | * struct mmc_test_card - test information. | |
77 | * @card: card under test | |
78 | * @scratch: transfer buffer | |
79 | * @buffer: transfer buffer | |
80 | * @highmem: buffer for highmem tests | |
81 | * @area: information for performance tests | |
82 | */ | |
88ae600d PO |
83 | struct mmc_test_card { |
84 | struct mmc_card *card; | |
85 | ||
6b174931 | 86 | u8 scratch[BUFFER_SIZE]; |
88ae600d | 87 | u8 *buffer; |
2661081f PO |
88 | #ifdef CONFIG_HIGHMEM |
89 | struct page *highmem; | |
90 | #endif | |
64f7120d | 91 | struct mmc_test_area area; |
88ae600d PO |
92 | }; |
93 | ||
94 | /*******************************************************************/ | |
6b174931 | 95 | /* General helper functions */ |
88ae600d PO |
96 | /*******************************************************************/ |
97 | ||
6b174931 PO |
98 | /* |
99 | * Configure correct block size in card | |
100 | */ | |
88ae600d PO |
101 | static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size) |
102 | { | |
103 | struct mmc_command cmd; | |
104 | int ret; | |
105 | ||
106 | cmd.opcode = MMC_SET_BLOCKLEN; | |
107 | cmd.arg = size; | |
108 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; | |
109 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); | |
110 | if (ret) | |
111 | return ret; | |
112 | ||
113 | return 0; | |
114 | } | |
115 | ||
6b174931 PO |
116 | /* |
117 | * Fill in the mmc_request structure given a set of transfer parameters. | |
118 | */ | |
119 | static void mmc_test_prepare_mrq(struct mmc_test_card *test, | |
120 | struct mmc_request *mrq, struct scatterlist *sg, unsigned sg_len, | |
121 | unsigned dev_addr, unsigned blocks, unsigned blksz, int write) | |
88ae600d | 122 | { |
6b174931 | 123 | BUG_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop); |
88ae600d | 124 | |
6b174931 PO |
125 | if (blocks > 1) { |
126 | mrq->cmd->opcode = write ? | |
127 | MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK; | |
88ae600d | 128 | } else { |
6b174931 PO |
129 | mrq->cmd->opcode = write ? |
130 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
88ae600d PO |
131 | } |
132 | ||
6b174931 | 133 | mrq->cmd->arg = dev_addr; |
c286d03c JK |
134 | if (!mmc_card_blockaddr(test->card)) |
135 | mrq->cmd->arg <<= 9; | |
136 | ||
6b174931 | 137 | mrq->cmd->flags = MMC_RSP_R1 | MMC_CMD_ADTC; |
88ae600d | 138 | |
6b174931 PO |
139 | if (blocks == 1) |
140 | mrq->stop = NULL; | |
141 | else { | |
142 | mrq->stop->opcode = MMC_STOP_TRANSMISSION; | |
143 | mrq->stop->arg = 0; | |
144 | mrq->stop->flags = MMC_RSP_R1B | MMC_CMD_AC; | |
88ae600d PO |
145 | } |
146 | ||
6b174931 PO |
147 | mrq->data->blksz = blksz; |
148 | mrq->data->blocks = blocks; | |
149 | mrq->data->flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; | |
150 | mrq->data->sg = sg; | |
151 | mrq->data->sg_len = sg_len; | |
88ae600d | 152 | |
6b174931 PO |
153 | mmc_set_data_timeout(mrq->data, test->card); |
154 | } | |
88ae600d | 155 | |
64f7120d AH |
156 | static int mmc_test_busy(struct mmc_command *cmd) |
157 | { | |
158 | return !(cmd->resp[0] & R1_READY_FOR_DATA) || | |
159 | (R1_CURRENT_STATE(cmd->resp[0]) == 7); | |
160 | } | |
161 | ||
6b174931 PO |
162 | /* |
163 | * Wait for the card to finish the busy state | |
164 | */ | |
165 | static int mmc_test_wait_busy(struct mmc_test_card *test) | |
166 | { | |
167 | int ret, busy; | |
168 | struct mmc_command cmd; | |
88ae600d PO |
169 | |
170 | busy = 0; | |
171 | do { | |
88ae600d PO |
172 | memset(&cmd, 0, sizeof(struct mmc_command)); |
173 | ||
174 | cmd.opcode = MMC_SEND_STATUS; | |
175 | cmd.arg = test->card->rca << 16; | |
176 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; | |
177 | ||
6b174931 PO |
178 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); |
179 | if (ret) | |
88ae600d PO |
180 | break; |
181 | ||
64f7120d | 182 | if (!busy && mmc_test_busy(&cmd)) { |
88ae600d PO |
183 | busy = 1; |
184 | printk(KERN_INFO "%s: Warning: Host did not " | |
185 | "wait for busy state to end.\n", | |
186 | mmc_hostname(test->card->host)); | |
187 | } | |
64f7120d | 188 | } while (mmc_test_busy(&cmd)); |
88ae600d PO |
189 | |
190 | return ret; | |
191 | } | |
192 | ||
6b174931 PO |
193 | /* |
194 | * Transfer a single sector of kernel addressable data | |
195 | */ | |
196 | static int mmc_test_buffer_transfer(struct mmc_test_card *test, | |
197 | u8 *buffer, unsigned addr, unsigned blksz, int write) | |
88ae600d | 198 | { |
6b174931 PO |
199 | int ret; |
200 | ||
201 | struct mmc_request mrq; | |
202 | struct mmc_command cmd; | |
203 | struct mmc_command stop; | |
204 | struct mmc_data data; | |
205 | ||
206 | struct scatterlist sg; | |
207 | ||
208 | memset(&mrq, 0, sizeof(struct mmc_request)); | |
209 | memset(&cmd, 0, sizeof(struct mmc_command)); | |
210 | memset(&data, 0, sizeof(struct mmc_data)); | |
211 | memset(&stop, 0, sizeof(struct mmc_command)); | |
212 | ||
213 | mrq.cmd = &cmd; | |
214 | mrq.data = &data; | |
215 | mrq.stop = &stop; | |
216 | ||
217 | sg_init_one(&sg, buffer, blksz); | |
218 | ||
219 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write); | |
220 | ||
221 | mmc_wait_for_req(test->card->host, &mrq); | |
222 | ||
223 | if (cmd.error) | |
224 | return cmd.error; | |
225 | if (data.error) | |
226 | return data.error; | |
227 | ||
228 | ret = mmc_test_wait_busy(test); | |
229 | if (ret) | |
230 | return ret; | |
231 | ||
232 | return 0; | |
88ae600d PO |
233 | } |
234 | ||
64f7120d AH |
235 | static void mmc_test_free_mem(struct mmc_test_mem *mem) |
236 | { | |
237 | if (!mem) | |
238 | return; | |
239 | while (mem->cnt--) | |
240 | __free_pages(mem->arr[mem->cnt].page, | |
241 | mem->arr[mem->cnt].order); | |
242 | kfree(mem->arr); | |
243 | kfree(mem); | |
244 | } | |
245 | ||
246 | /* | |
247 | * Allocate a lot of memory, preferrably max_sz but at least min_sz. In case | |
fec4dcce | 248 | * there isn't much memory do not exceed 1/16th total lowmem pages. |
64f7120d | 249 | */ |
fec4dcce AH |
250 | static struct mmc_test_mem *mmc_test_alloc_mem(unsigned long min_sz, |
251 | unsigned long max_sz) | |
64f7120d | 252 | { |
fec4dcce AH |
253 | unsigned long max_page_cnt = DIV_ROUND_UP(max_sz, PAGE_SIZE); |
254 | unsigned long min_page_cnt = DIV_ROUND_UP(min_sz, PAGE_SIZE); | |
255 | unsigned long page_cnt = 0; | |
256 | unsigned long limit = nr_free_buffer_pages() >> 4; | |
64f7120d | 257 | struct mmc_test_mem *mem; |
64f7120d | 258 | |
fec4dcce AH |
259 | if (max_page_cnt > limit) |
260 | max_page_cnt = limit; | |
64f7120d AH |
261 | if (max_page_cnt < min_page_cnt) |
262 | max_page_cnt = min_page_cnt; | |
263 | ||
264 | mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL); | |
265 | if (!mem) | |
266 | return NULL; | |
267 | ||
268 | mem->arr = kzalloc(sizeof(struct mmc_test_pages) * max_page_cnt, | |
269 | GFP_KERNEL); | |
270 | if (!mem->arr) | |
271 | goto out_free; | |
272 | ||
273 | while (max_page_cnt) { | |
274 | struct page *page; | |
275 | unsigned int order; | |
276 | gfp_t flags = GFP_KERNEL | GFP_DMA | __GFP_NOWARN | | |
277 | __GFP_NORETRY; | |
278 | ||
fec4dcce | 279 | order = get_order(max_page_cnt << PAGE_SHIFT); |
64f7120d AH |
280 | while (1) { |
281 | page = alloc_pages(flags, order); | |
282 | if (page || !order) | |
283 | break; | |
284 | order -= 1; | |
285 | } | |
286 | if (!page) { | |
287 | if (page_cnt < min_page_cnt) | |
288 | goto out_free; | |
289 | break; | |
290 | } | |
291 | mem->arr[mem->cnt].page = page; | |
292 | mem->arr[mem->cnt].order = order; | |
293 | mem->cnt += 1; | |
fec4dcce AH |
294 | if (max_page_cnt <= (1UL << order)) |
295 | break; | |
296 | max_page_cnt -= 1UL << order; | |
297 | page_cnt += 1UL << order; | |
64f7120d AH |
298 | } |
299 | ||
300 | return mem; | |
301 | ||
302 | out_free: | |
303 | mmc_test_free_mem(mem); | |
304 | return NULL; | |
305 | } | |
306 | ||
307 | /* | |
308 | * Map memory into a scatterlist. Optionally allow the same memory to be | |
309 | * mapped more than once. | |
310 | */ | |
fec4dcce | 311 | static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long sz, |
64f7120d AH |
312 | struct scatterlist *sglist, int repeat, |
313 | unsigned int max_segs, unsigned int *sg_len) | |
314 | { | |
315 | struct scatterlist *sg = NULL; | |
316 | unsigned int i; | |
317 | ||
318 | sg_init_table(sglist, max_segs); | |
319 | ||
320 | *sg_len = 0; | |
321 | do { | |
322 | for (i = 0; i < mem->cnt; i++) { | |
fec4dcce | 323 | unsigned long len = PAGE_SIZE << mem->arr[i].order; |
64f7120d AH |
324 | |
325 | if (sz < len) | |
326 | len = sz; | |
327 | if (sg) | |
328 | sg = sg_next(sg); | |
329 | else | |
330 | sg = sglist; | |
331 | if (!sg) | |
332 | return -EINVAL; | |
333 | sg_set_page(sg, mem->arr[i].page, len, 0); | |
334 | sz -= len; | |
335 | *sg_len += 1; | |
336 | if (!sz) | |
337 | break; | |
338 | } | |
339 | } while (sz && repeat); | |
340 | ||
341 | if (sz) | |
342 | return -EINVAL; | |
343 | ||
344 | if (sg) | |
345 | sg_mark_end(sg); | |
346 | ||
347 | return 0; | |
348 | } | |
349 | ||
350 | /* | |
351 | * Map memory into a scatterlist so that no pages are contiguous. Allow the | |
352 | * same memory to be mapped more than once. | |
353 | */ | |
354 | static int mmc_test_map_sg_max_scatter(struct mmc_test_mem *mem, | |
fec4dcce | 355 | unsigned long sz, |
64f7120d AH |
356 | struct scatterlist *sglist, |
357 | unsigned int max_segs, | |
358 | unsigned int *sg_len) | |
359 | { | |
360 | struct scatterlist *sg = NULL; | |
fec4dcce AH |
361 | unsigned int i = mem->cnt, cnt; |
362 | unsigned long len; | |
64f7120d AH |
363 | void *base, *addr, *last_addr = NULL; |
364 | ||
365 | sg_init_table(sglist, max_segs); | |
366 | ||
367 | *sg_len = 0; | |
368 | while (sz && i) { | |
369 | base = page_address(mem->arr[--i].page); | |
370 | cnt = 1 << mem->arr[i].order; | |
371 | while (sz && cnt) { | |
372 | addr = base + PAGE_SIZE * --cnt; | |
373 | if (last_addr && last_addr + PAGE_SIZE == addr) | |
374 | continue; | |
375 | last_addr = addr; | |
376 | len = PAGE_SIZE; | |
377 | if (sz < len) | |
378 | len = sz; | |
379 | if (sg) | |
380 | sg = sg_next(sg); | |
381 | else | |
382 | sg = sglist; | |
383 | if (!sg) | |
384 | return -EINVAL; | |
385 | sg_set_page(sg, virt_to_page(addr), len, 0); | |
386 | sz -= len; | |
387 | *sg_len += 1; | |
388 | } | |
389 | } | |
390 | ||
391 | if (sg) | |
392 | sg_mark_end(sg); | |
393 | ||
394 | return 0; | |
395 | } | |
396 | ||
397 | /* | |
398 | * Calculate transfer rate in bytes per second. | |
399 | */ | |
400 | static unsigned int mmc_test_rate(uint64_t bytes, struct timespec *ts) | |
401 | { | |
402 | uint64_t ns; | |
403 | ||
404 | ns = ts->tv_sec; | |
405 | ns *= 1000000000; | |
406 | ns += ts->tv_nsec; | |
407 | ||
408 | bytes *= 1000000000; | |
409 | ||
410 | while (ns > UINT_MAX) { | |
411 | bytes >>= 1; | |
412 | ns >>= 1; | |
413 | } | |
414 | ||
415 | if (!ns) | |
416 | return 0; | |
417 | ||
418 | do_div(bytes, (uint32_t)ns); | |
419 | ||
420 | return bytes; | |
421 | } | |
422 | ||
423 | /* | |
424 | * Print the transfer rate. | |
425 | */ | |
426 | static void mmc_test_print_rate(struct mmc_test_card *test, uint64_t bytes, | |
427 | struct timespec *ts1, struct timespec *ts2) | |
428 | { | |
429 | unsigned int rate, sectors = bytes >> 9; | |
430 | struct timespec ts; | |
431 | ||
432 | ts = timespec_sub(*ts2, *ts1); | |
433 | ||
434 | rate = mmc_test_rate(bytes, &ts); | |
435 | ||
436 | printk(KERN_INFO "%s: Transfer of %u sectors (%u%s KiB) took %lu.%09lu " | |
437 | "seconds (%u kB/s, %u KiB/s)\n", | |
438 | mmc_hostname(test->card->host), sectors, sectors >> 1, | |
439 | (sectors == 1 ? ".5" : ""), (unsigned long)ts.tv_sec, | |
440 | (unsigned long)ts.tv_nsec, rate / 1000, rate / 1024); | |
441 | } | |
442 | ||
443 | /* | |
444 | * Print the average transfer rate. | |
445 | */ | |
446 | static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, | |
447 | unsigned int count, struct timespec *ts1, | |
448 | struct timespec *ts2) | |
449 | { | |
450 | unsigned int rate, sectors = bytes >> 9; | |
451 | uint64_t tot = bytes * count; | |
452 | struct timespec ts; | |
453 | ||
454 | ts = timespec_sub(*ts2, *ts1); | |
455 | ||
456 | rate = mmc_test_rate(tot, &ts); | |
457 | ||
458 | printk(KERN_INFO "%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " | |
459 | "%lu.%09lu seconds (%u kB/s, %u KiB/s)\n", | |
460 | mmc_hostname(test->card->host), count, sectors, count, | |
461 | sectors >> 1, (sectors == 1 ? ".5" : ""), | |
462 | (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, | |
463 | rate / 1000, rate / 1024); | |
464 | } | |
465 | ||
466 | /* | |
467 | * Return the card size in sectors. | |
468 | */ | |
469 | static unsigned int mmc_test_capacity(struct mmc_card *card) | |
470 | { | |
471 | if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) | |
472 | return card->ext_csd.sectors; | |
473 | else | |
474 | return card->csd.capacity << (card->csd.read_blkbits - 9); | |
475 | } | |
476 | ||
6b174931 PO |
477 | /*******************************************************************/ |
478 | /* Test preparation and cleanup */ | |
479 | /*******************************************************************/ | |
480 | ||
481 | /* | |
482 | * Fill the first couple of sectors of the card with known data | |
483 | * so that bad reads/writes can be detected | |
484 | */ | |
485 | static int __mmc_test_prepare(struct mmc_test_card *test, int write) | |
88ae600d PO |
486 | { |
487 | int ret, i; | |
488 | ||
489 | ret = mmc_test_set_blksize(test, 512); | |
490 | if (ret) | |
491 | return ret; | |
492 | ||
493 | if (write) | |
6b174931 | 494 | memset(test->buffer, 0xDF, 512); |
88ae600d | 495 | else { |
6b174931 | 496 | for (i = 0;i < 512;i++) |
88ae600d PO |
497 | test->buffer[i] = i; |
498 | } | |
499 | ||
500 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 501 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
88ae600d PO |
502 | if (ret) |
503 | return ret; | |
504 | } | |
505 | ||
506 | return 0; | |
507 | } | |
508 | ||
6b174931 PO |
509 | static int mmc_test_prepare_write(struct mmc_test_card *test) |
510 | { | |
511 | return __mmc_test_prepare(test, 1); | |
512 | } | |
513 | ||
514 | static int mmc_test_prepare_read(struct mmc_test_card *test) | |
515 | { | |
516 | return __mmc_test_prepare(test, 0); | |
517 | } | |
518 | ||
519 | static int mmc_test_cleanup(struct mmc_test_card *test) | |
520 | { | |
521 | int ret, i; | |
522 | ||
523 | ret = mmc_test_set_blksize(test, 512); | |
524 | if (ret) | |
525 | return ret; | |
526 | ||
527 | memset(test->buffer, 0, 512); | |
528 | ||
529 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 530 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
6b174931 PO |
531 | if (ret) |
532 | return ret; | |
533 | } | |
534 | ||
535 | return 0; | |
536 | } | |
537 | ||
538 | /*******************************************************************/ | |
539 | /* Test execution helpers */ | |
540 | /*******************************************************************/ | |
541 | ||
542 | /* | |
543 | * Modifies the mmc_request to perform the "short transfer" tests | |
544 | */ | |
545 | static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, | |
546 | struct mmc_request *mrq, int write) | |
547 | { | |
548 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
549 | ||
550 | if (mrq->data->blocks > 1) { | |
551 | mrq->cmd->opcode = write ? | |
552 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
553 | mrq->stop = NULL; | |
554 | } else { | |
555 | mrq->cmd->opcode = MMC_SEND_STATUS; | |
556 | mrq->cmd->arg = test->card->rca << 16; | |
557 | } | |
558 | } | |
559 | ||
560 | /* | |
561 | * Checks that a normal transfer didn't have any errors | |
562 | */ | |
563 | static int mmc_test_check_result(struct mmc_test_card *test, | |
564 | struct mmc_request *mrq) | |
88ae600d | 565 | { |
6b174931 PO |
566 | int ret; |
567 | ||
568 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
569 | ||
570 | ret = 0; | |
571 | ||
572 | if (!ret && mrq->cmd->error) | |
573 | ret = mrq->cmd->error; | |
574 | if (!ret && mrq->data->error) | |
575 | ret = mrq->data->error; | |
576 | if (!ret && mrq->stop && mrq->stop->error) | |
577 | ret = mrq->stop->error; | |
578 | if (!ret && mrq->data->bytes_xfered != | |
579 | mrq->data->blocks * mrq->data->blksz) | |
580 | ret = RESULT_FAIL; | |
581 | ||
582 | if (ret == -EINVAL) | |
583 | ret = RESULT_UNSUP_HOST; | |
584 | ||
585 | return ret; | |
88ae600d PO |
586 | } |
587 | ||
6b174931 PO |
588 | /* |
589 | * Checks that a "short transfer" behaved as expected | |
590 | */ | |
591 | static int mmc_test_check_broken_result(struct mmc_test_card *test, | |
592 | struct mmc_request *mrq) | |
88ae600d | 593 | { |
6b174931 PO |
594 | int ret; |
595 | ||
596 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
597 | ||
598 | ret = 0; | |
599 | ||
600 | if (!ret && mrq->cmd->error) | |
601 | ret = mrq->cmd->error; | |
602 | if (!ret && mrq->data->error == 0) | |
603 | ret = RESULT_FAIL; | |
604 | if (!ret && mrq->data->error != -ETIMEDOUT) | |
605 | ret = mrq->data->error; | |
606 | if (!ret && mrq->stop && mrq->stop->error) | |
607 | ret = mrq->stop->error; | |
608 | if (mrq->data->blocks > 1) { | |
609 | if (!ret && mrq->data->bytes_xfered > mrq->data->blksz) | |
610 | ret = RESULT_FAIL; | |
611 | } else { | |
612 | if (!ret && mrq->data->bytes_xfered > 0) | |
613 | ret = RESULT_FAIL; | |
614 | } | |
615 | ||
616 | if (ret == -EINVAL) | |
617 | ret = RESULT_UNSUP_HOST; | |
618 | ||
619 | return ret; | |
88ae600d PO |
620 | } |
621 | ||
6b174931 PO |
622 | /* |
623 | * Tests a basic transfer with certain parameters | |
624 | */ | |
625 | static int mmc_test_simple_transfer(struct mmc_test_card *test, | |
626 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
627 | unsigned blocks, unsigned blksz, int write) | |
88ae600d | 628 | { |
6b174931 PO |
629 | struct mmc_request mrq; |
630 | struct mmc_command cmd; | |
631 | struct mmc_command stop; | |
632 | struct mmc_data data; | |
88ae600d | 633 | |
6b174931 PO |
634 | memset(&mrq, 0, sizeof(struct mmc_request)); |
635 | memset(&cmd, 0, sizeof(struct mmc_command)); | |
636 | memset(&data, 0, sizeof(struct mmc_data)); | |
637 | memset(&stop, 0, sizeof(struct mmc_command)); | |
638 | ||
639 | mrq.cmd = &cmd; | |
640 | mrq.data = &data; | |
641 | mrq.stop = &stop; | |
642 | ||
643 | mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr, | |
644 | blocks, blksz, write); | |
645 | ||
646 | mmc_wait_for_req(test->card->host, &mrq); | |
88ae600d | 647 | |
6b174931 PO |
648 | mmc_test_wait_busy(test); |
649 | ||
650 | return mmc_test_check_result(test, &mrq); | |
651 | } | |
652 | ||
653 | /* | |
654 | * Tests a transfer where the card will fail completely or partly | |
655 | */ | |
656 | static int mmc_test_broken_transfer(struct mmc_test_card *test, | |
657 | unsigned blocks, unsigned blksz, int write) | |
658 | { | |
659 | struct mmc_request mrq; | |
660 | struct mmc_command cmd; | |
661 | struct mmc_command stop; | |
662 | struct mmc_data data; | |
663 | ||
664 | struct scatterlist sg; | |
665 | ||
666 | memset(&mrq, 0, sizeof(struct mmc_request)); | |
667 | memset(&cmd, 0, sizeof(struct mmc_command)); | |
668 | memset(&data, 0, sizeof(struct mmc_data)); | |
669 | memset(&stop, 0, sizeof(struct mmc_command)); | |
670 | ||
671 | mrq.cmd = &cmd; | |
672 | mrq.data = &data; | |
673 | mrq.stop = &stop; | |
674 | ||
675 | sg_init_one(&sg, test->buffer, blocks * blksz); | |
676 | ||
677 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write); | |
678 | mmc_test_prepare_broken_mrq(test, &mrq, write); | |
679 | ||
680 | mmc_wait_for_req(test->card->host, &mrq); | |
681 | ||
682 | mmc_test_wait_busy(test); | |
683 | ||
684 | return mmc_test_check_broken_result(test, &mrq); | |
685 | } | |
686 | ||
687 | /* | |
688 | * Does a complete transfer test where data is also validated | |
689 | * | |
690 | * Note: mmc_test_prepare() must have been done before this call | |
691 | */ | |
692 | static int mmc_test_transfer(struct mmc_test_card *test, | |
693 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
694 | unsigned blocks, unsigned blksz, int write) | |
695 | { | |
696 | int ret, i; | |
697 | unsigned long flags; | |
88ae600d PO |
698 | |
699 | if (write) { | |
700 | for (i = 0;i < blocks * blksz;i++) | |
6b174931 PO |
701 | test->scratch[i] = i; |
702 | } else { | |
b7ac2cf1 | 703 | memset(test->scratch, 0, BUFFER_SIZE); |
88ae600d | 704 | } |
6b174931 | 705 | local_irq_save(flags); |
b7ac2cf1 | 706 | sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 707 | local_irq_restore(flags); |
88ae600d PO |
708 | |
709 | ret = mmc_test_set_blksize(test, blksz); | |
710 | if (ret) | |
711 | return ret; | |
712 | ||
6b174931 PO |
713 | ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr, |
714 | blocks, blksz, write); | |
88ae600d PO |
715 | if (ret) |
716 | return ret; | |
717 | ||
718 | if (write) { | |
6b174931 PO |
719 | int sectors; |
720 | ||
88ae600d PO |
721 | ret = mmc_test_set_blksize(test, 512); |
722 | if (ret) | |
723 | return ret; | |
724 | ||
725 | sectors = (blocks * blksz + 511) / 512; | |
726 | if ((sectors * 512) == (blocks * blksz)) | |
727 | sectors++; | |
728 | ||
729 | if ((sectors * 512) > BUFFER_SIZE) | |
730 | return -EINVAL; | |
731 | ||
732 | memset(test->buffer, 0, sectors * 512); | |
733 | ||
734 | for (i = 0;i < sectors;i++) { | |
6b174931 | 735 | ret = mmc_test_buffer_transfer(test, |
88ae600d | 736 | test->buffer + i * 512, |
c286d03c | 737 | dev_addr + i, 512, 0); |
88ae600d PO |
738 | if (ret) |
739 | return ret; | |
740 | } | |
741 | ||
742 | for (i = 0;i < blocks * blksz;i++) { | |
743 | if (test->buffer[i] != (u8)i) | |
744 | return RESULT_FAIL; | |
745 | } | |
746 | ||
747 | for (;i < sectors * 512;i++) { | |
748 | if (test->buffer[i] != 0xDF) | |
749 | return RESULT_FAIL; | |
750 | } | |
751 | } else { | |
6b174931 | 752 | local_irq_save(flags); |
b7ac2cf1 | 753 | sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 754 | local_irq_restore(flags); |
88ae600d | 755 | for (i = 0;i < blocks * blksz;i++) { |
6b174931 | 756 | if (test->scratch[i] != (u8)i) |
88ae600d PO |
757 | return RESULT_FAIL; |
758 | } | |
759 | } | |
760 | ||
761 | return 0; | |
762 | } | |
763 | ||
88ae600d PO |
764 | /*******************************************************************/ |
765 | /* Tests */ | |
766 | /*******************************************************************/ | |
767 | ||
768 | struct mmc_test_case { | |
769 | const char *name; | |
770 | ||
771 | int (*prepare)(struct mmc_test_card *); | |
772 | int (*run)(struct mmc_test_card *); | |
773 | int (*cleanup)(struct mmc_test_card *); | |
774 | }; | |
775 | ||
776 | static int mmc_test_basic_write(struct mmc_test_card *test) | |
777 | { | |
778 | int ret; | |
6b174931 | 779 | struct scatterlist sg; |
88ae600d PO |
780 | |
781 | ret = mmc_test_set_blksize(test, 512); | |
782 | if (ret) | |
783 | return ret; | |
784 | ||
6b174931 PO |
785 | sg_init_one(&sg, test->buffer, 512); |
786 | ||
787 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
788 | if (ret) |
789 | return ret; | |
790 | ||
791 | return 0; | |
792 | } | |
793 | ||
794 | static int mmc_test_basic_read(struct mmc_test_card *test) | |
795 | { | |
796 | int ret; | |
6b174931 | 797 | struct scatterlist sg; |
88ae600d PO |
798 | |
799 | ret = mmc_test_set_blksize(test, 512); | |
800 | if (ret) | |
801 | return ret; | |
802 | ||
6b174931 PO |
803 | sg_init_one(&sg, test->buffer, 512); |
804 | ||
58a5dd3e | 805 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
806 | if (ret) |
807 | return ret; | |
808 | ||
809 | return 0; | |
810 | } | |
811 | ||
812 | static int mmc_test_verify_write(struct mmc_test_card *test) | |
813 | { | |
814 | int ret; | |
6b174931 PO |
815 | struct scatterlist sg; |
816 | ||
817 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 818 | |
6b174931 | 819 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
88ae600d PO |
820 | if (ret) |
821 | return ret; | |
822 | ||
823 | return 0; | |
824 | } | |
825 | ||
826 | static int mmc_test_verify_read(struct mmc_test_card *test) | |
827 | { | |
828 | int ret; | |
6b174931 PO |
829 | struct scatterlist sg; |
830 | ||
831 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 832 | |
6b174931 | 833 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
834 | if (ret) |
835 | return ret; | |
836 | ||
837 | return 0; | |
838 | } | |
839 | ||
840 | static int mmc_test_multi_write(struct mmc_test_card *test) | |
841 | { | |
842 | int ret; | |
843 | unsigned int size; | |
6b174931 | 844 | struct scatterlist sg; |
88ae600d PO |
845 | |
846 | if (test->card->host->max_blk_count == 1) | |
847 | return RESULT_UNSUP_HOST; | |
848 | ||
849 | size = PAGE_SIZE * 2; | |
850 | size = min(size, test->card->host->max_req_size); | |
851 | size = min(size, test->card->host->max_seg_size); | |
852 | size = min(size, test->card->host->max_blk_count * 512); | |
853 | ||
854 | if (size < 1024) | |
855 | return RESULT_UNSUP_HOST; | |
856 | ||
6b174931 PO |
857 | sg_init_one(&sg, test->buffer, size); |
858 | ||
859 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
860 | if (ret) |
861 | return ret; | |
862 | ||
863 | return 0; | |
864 | } | |
865 | ||
866 | static int mmc_test_multi_read(struct mmc_test_card *test) | |
867 | { | |
868 | int ret; | |
869 | unsigned int size; | |
6b174931 | 870 | struct scatterlist sg; |
88ae600d PO |
871 | |
872 | if (test->card->host->max_blk_count == 1) | |
873 | return RESULT_UNSUP_HOST; | |
874 | ||
875 | size = PAGE_SIZE * 2; | |
876 | size = min(size, test->card->host->max_req_size); | |
877 | size = min(size, test->card->host->max_seg_size); | |
878 | size = min(size, test->card->host->max_blk_count * 512); | |
879 | ||
880 | if (size < 1024) | |
881 | return RESULT_UNSUP_HOST; | |
882 | ||
6b174931 PO |
883 | sg_init_one(&sg, test->buffer, size); |
884 | ||
885 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
886 | if (ret) |
887 | return ret; | |
888 | ||
889 | return 0; | |
890 | } | |
891 | ||
892 | static int mmc_test_pow2_write(struct mmc_test_card *test) | |
893 | { | |
894 | int ret, i; | |
6b174931 | 895 | struct scatterlist sg; |
88ae600d PO |
896 | |
897 | if (!test->card->csd.write_partial) | |
898 | return RESULT_UNSUP_CARD; | |
899 | ||
900 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
901 | sg_init_one(&sg, test->buffer, i); |
902 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
903 | if (ret) |
904 | return ret; | |
905 | } | |
906 | ||
907 | return 0; | |
908 | } | |
909 | ||
910 | static int mmc_test_pow2_read(struct mmc_test_card *test) | |
911 | { | |
912 | int ret, i; | |
6b174931 | 913 | struct scatterlist sg; |
88ae600d PO |
914 | |
915 | if (!test->card->csd.read_partial) | |
916 | return RESULT_UNSUP_CARD; | |
917 | ||
918 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
919 | sg_init_one(&sg, test->buffer, i); |
920 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
921 | if (ret) |
922 | return ret; | |
923 | } | |
924 | ||
925 | return 0; | |
926 | } | |
927 | ||
928 | static int mmc_test_weird_write(struct mmc_test_card *test) | |
929 | { | |
930 | int ret, i; | |
6b174931 | 931 | struct scatterlist sg; |
88ae600d PO |
932 | |
933 | if (!test->card->csd.write_partial) | |
934 | return RESULT_UNSUP_CARD; | |
935 | ||
936 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
937 | sg_init_one(&sg, test->buffer, i); |
938 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
939 | if (ret) |
940 | return ret; | |
941 | } | |
942 | ||
943 | return 0; | |
944 | } | |
945 | ||
946 | static int mmc_test_weird_read(struct mmc_test_card *test) | |
947 | { | |
948 | int ret, i; | |
6b174931 | 949 | struct scatterlist sg; |
88ae600d PO |
950 | |
951 | if (!test->card->csd.read_partial) | |
952 | return RESULT_UNSUP_CARD; | |
953 | ||
954 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
955 | sg_init_one(&sg, test->buffer, i); |
956 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
957 | if (ret) |
958 | return ret; | |
959 | } | |
960 | ||
961 | return 0; | |
962 | } | |
963 | ||
964 | static int mmc_test_align_write(struct mmc_test_card *test) | |
965 | { | |
966 | int ret, i; | |
6b174931 | 967 | struct scatterlist sg; |
88ae600d PO |
968 | |
969 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
970 | sg_init_one(&sg, test->buffer + i, 512); |
971 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
972 | if (ret) |
973 | return ret; | |
974 | } | |
975 | ||
976 | return 0; | |
977 | } | |
978 | ||
979 | static int mmc_test_align_read(struct mmc_test_card *test) | |
980 | { | |
981 | int ret, i; | |
6b174931 | 982 | struct scatterlist sg; |
88ae600d PO |
983 | |
984 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
985 | sg_init_one(&sg, test->buffer + i, 512); |
986 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
88ae600d PO |
987 | if (ret) |
988 | return ret; | |
989 | } | |
990 | ||
991 | return 0; | |
992 | } | |
993 | ||
994 | static int mmc_test_align_multi_write(struct mmc_test_card *test) | |
995 | { | |
996 | int ret, i; | |
997 | unsigned int size; | |
6b174931 | 998 | struct scatterlist sg; |
88ae600d PO |
999 | |
1000 | if (test->card->host->max_blk_count == 1) | |
1001 | return RESULT_UNSUP_HOST; | |
1002 | ||
1003 | size = PAGE_SIZE * 2; | |
1004 | size = min(size, test->card->host->max_req_size); | |
1005 | size = min(size, test->card->host->max_seg_size); | |
1006 | size = min(size, test->card->host->max_blk_count * 512); | |
1007 | ||
1008 | if (size < 1024) | |
1009 | return RESULT_UNSUP_HOST; | |
1010 | ||
1011 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1012 | sg_init_one(&sg, test->buffer + i, size); |
1013 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1014 | if (ret) |
1015 | return ret; | |
1016 | } | |
1017 | ||
1018 | return 0; | |
1019 | } | |
1020 | ||
1021 | static int mmc_test_align_multi_read(struct mmc_test_card *test) | |
1022 | { | |
1023 | int ret, i; | |
1024 | unsigned int size; | |
6b174931 | 1025 | struct scatterlist sg; |
88ae600d PO |
1026 | |
1027 | if (test->card->host->max_blk_count == 1) | |
1028 | return RESULT_UNSUP_HOST; | |
1029 | ||
1030 | size = PAGE_SIZE * 2; | |
1031 | size = min(size, test->card->host->max_req_size); | |
1032 | size = min(size, test->card->host->max_seg_size); | |
1033 | size = min(size, test->card->host->max_blk_count * 512); | |
1034 | ||
1035 | if (size < 1024) | |
1036 | return RESULT_UNSUP_HOST; | |
1037 | ||
1038 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1039 | sg_init_one(&sg, test->buffer + i, size); |
1040 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1041 | if (ret) |
1042 | return ret; | |
1043 | } | |
1044 | ||
1045 | return 0; | |
1046 | } | |
1047 | ||
1048 | static int mmc_test_xfersize_write(struct mmc_test_card *test) | |
1049 | { | |
1050 | int ret; | |
1051 | ||
1052 | ret = mmc_test_set_blksize(test, 512); | |
1053 | if (ret) | |
1054 | return ret; | |
1055 | ||
6b174931 | 1056 | ret = mmc_test_broken_transfer(test, 1, 512, 1); |
88ae600d PO |
1057 | if (ret) |
1058 | return ret; | |
1059 | ||
1060 | return 0; | |
1061 | } | |
1062 | ||
1063 | static int mmc_test_xfersize_read(struct mmc_test_card *test) | |
1064 | { | |
1065 | int ret; | |
1066 | ||
1067 | ret = mmc_test_set_blksize(test, 512); | |
1068 | if (ret) | |
1069 | return ret; | |
1070 | ||
6b174931 | 1071 | ret = mmc_test_broken_transfer(test, 1, 512, 0); |
88ae600d PO |
1072 | if (ret) |
1073 | return ret; | |
1074 | ||
1075 | return 0; | |
1076 | } | |
1077 | ||
1078 | static int mmc_test_multi_xfersize_write(struct mmc_test_card *test) | |
1079 | { | |
1080 | int ret; | |
1081 | ||
1082 | if (test->card->host->max_blk_count == 1) | |
1083 | return RESULT_UNSUP_HOST; | |
1084 | ||
1085 | ret = mmc_test_set_blksize(test, 512); | |
1086 | if (ret) | |
1087 | return ret; | |
1088 | ||
6b174931 | 1089 | ret = mmc_test_broken_transfer(test, 2, 512, 1); |
88ae600d PO |
1090 | if (ret) |
1091 | return ret; | |
1092 | ||
1093 | return 0; | |
1094 | } | |
1095 | ||
1096 | static int mmc_test_multi_xfersize_read(struct mmc_test_card *test) | |
1097 | { | |
1098 | int ret; | |
1099 | ||
1100 | if (test->card->host->max_blk_count == 1) | |
1101 | return RESULT_UNSUP_HOST; | |
1102 | ||
1103 | ret = mmc_test_set_blksize(test, 512); | |
1104 | if (ret) | |
1105 | return ret; | |
1106 | ||
6b174931 | 1107 | ret = mmc_test_broken_transfer(test, 2, 512, 0); |
88ae600d PO |
1108 | if (ret) |
1109 | return ret; | |
1110 | ||
1111 | return 0; | |
1112 | } | |
1113 | ||
2661081f PO |
1114 | #ifdef CONFIG_HIGHMEM |
1115 | ||
1116 | static int mmc_test_write_high(struct mmc_test_card *test) | |
1117 | { | |
1118 | int ret; | |
1119 | struct scatterlist sg; | |
1120 | ||
1121 | sg_init_table(&sg, 1); | |
1122 | sg_set_page(&sg, test->highmem, 512, 0); | |
1123 | ||
1124 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
1125 | if (ret) | |
1126 | return ret; | |
1127 | ||
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | static int mmc_test_read_high(struct mmc_test_card *test) | |
1132 | { | |
1133 | int ret; | |
1134 | struct scatterlist sg; | |
1135 | ||
1136 | sg_init_table(&sg, 1); | |
1137 | sg_set_page(&sg, test->highmem, 512, 0); | |
1138 | ||
1139 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
1140 | if (ret) | |
1141 | return ret; | |
1142 | ||
1143 | return 0; | |
1144 | } | |
1145 | ||
1146 | static int mmc_test_multi_write_high(struct mmc_test_card *test) | |
1147 | { | |
1148 | int ret; | |
1149 | unsigned int size; | |
1150 | struct scatterlist sg; | |
1151 | ||
1152 | if (test->card->host->max_blk_count == 1) | |
1153 | return RESULT_UNSUP_HOST; | |
1154 | ||
1155 | size = PAGE_SIZE * 2; | |
1156 | size = min(size, test->card->host->max_req_size); | |
1157 | size = min(size, test->card->host->max_seg_size); | |
1158 | size = min(size, test->card->host->max_blk_count * 512); | |
1159 | ||
1160 | if (size < 1024) | |
1161 | return RESULT_UNSUP_HOST; | |
1162 | ||
1163 | sg_init_table(&sg, 1); | |
1164 | sg_set_page(&sg, test->highmem, size, 0); | |
1165 | ||
1166 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
1167 | if (ret) | |
1168 | return ret; | |
1169 | ||
1170 | return 0; | |
1171 | } | |
1172 | ||
1173 | static int mmc_test_multi_read_high(struct mmc_test_card *test) | |
1174 | { | |
1175 | int ret; | |
1176 | unsigned int size; | |
1177 | struct scatterlist sg; | |
1178 | ||
1179 | if (test->card->host->max_blk_count == 1) | |
1180 | return RESULT_UNSUP_HOST; | |
1181 | ||
1182 | size = PAGE_SIZE * 2; | |
1183 | size = min(size, test->card->host->max_req_size); | |
1184 | size = min(size, test->card->host->max_seg_size); | |
1185 | size = min(size, test->card->host->max_blk_count * 512); | |
1186 | ||
1187 | if (size < 1024) | |
1188 | return RESULT_UNSUP_HOST; | |
1189 | ||
1190 | sg_init_table(&sg, 1); | |
1191 | sg_set_page(&sg, test->highmem, size, 0); | |
1192 | ||
1193 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
1194 | if (ret) | |
1195 | return ret; | |
1196 | ||
1197 | return 0; | |
1198 | } | |
1199 | ||
64f7120d AH |
1200 | #else |
1201 | ||
1202 | static int mmc_test_no_highmem(struct mmc_test_card *test) | |
1203 | { | |
1204 | printk(KERN_INFO "%s: Highmem not configured - test skipped\n", | |
1205 | mmc_hostname(test->card->host)); | |
1206 | return 0; | |
1207 | } | |
1208 | ||
2661081f PO |
1209 | #endif /* CONFIG_HIGHMEM */ |
1210 | ||
64f7120d AH |
1211 | /* |
1212 | * Map sz bytes so that it can be transferred. | |
1213 | */ | |
fec4dcce | 1214 | static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, |
64f7120d AH |
1215 | int max_scatter) |
1216 | { | |
1217 | struct mmc_test_area *t = &test->area; | |
1218 | ||
1219 | t->blocks = sz >> 9; | |
1220 | ||
1221 | if (max_scatter) { | |
1222 | return mmc_test_map_sg_max_scatter(t->mem, sz, t->sg, | |
1223 | t->max_segs, &t->sg_len); | |
1224 | } else { | |
1225 | return mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, | |
1226 | &t->sg_len); | |
1227 | } | |
1228 | } | |
1229 | ||
1230 | /* | |
1231 | * Transfer bytes mapped by mmc_test_area_map(). | |
1232 | */ | |
1233 | static int mmc_test_area_transfer(struct mmc_test_card *test, | |
1234 | unsigned int dev_addr, int write) | |
1235 | { | |
1236 | struct mmc_test_area *t = &test->area; | |
1237 | ||
1238 | return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr, | |
1239 | t->blocks, 512, write); | |
1240 | } | |
1241 | ||
1242 | /* | |
1243 | * Map and transfer bytes. | |
1244 | */ | |
fec4dcce | 1245 | static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, |
64f7120d AH |
1246 | unsigned int dev_addr, int write, int max_scatter, |
1247 | int timed) | |
1248 | { | |
1249 | struct timespec ts1, ts2; | |
1250 | int ret; | |
1251 | ||
1252 | ret = mmc_test_area_map(test, sz, max_scatter); | |
1253 | if (ret) | |
1254 | return ret; | |
1255 | ||
1256 | if (timed) | |
1257 | getnstimeofday(&ts1); | |
1258 | ||
1259 | ret = mmc_test_area_transfer(test, dev_addr, write); | |
1260 | if (ret) | |
1261 | return ret; | |
1262 | ||
1263 | if (timed) | |
1264 | getnstimeofday(&ts2); | |
1265 | ||
1266 | if (timed) | |
1267 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1268 | ||
1269 | return 0; | |
1270 | } | |
1271 | ||
1272 | /* | |
1273 | * Write the test area entirely. | |
1274 | */ | |
1275 | static int mmc_test_area_fill(struct mmc_test_card *test) | |
1276 | { | |
1277 | return mmc_test_area_io(test, test->area.max_sz, test->area.dev_addr, | |
1278 | 1, 0, 0); | |
1279 | } | |
1280 | ||
1281 | /* | |
1282 | * Erase the test area entirely. | |
1283 | */ | |
1284 | static int mmc_test_area_erase(struct mmc_test_card *test) | |
1285 | { | |
1286 | struct mmc_test_area *t = &test->area; | |
1287 | ||
1288 | if (!mmc_can_erase(test->card)) | |
1289 | return 0; | |
1290 | ||
1291 | return mmc_erase(test->card, t->dev_addr, test->area.max_sz >> 9, | |
1292 | MMC_ERASE_ARG); | |
1293 | } | |
1294 | ||
1295 | /* | |
1296 | * Cleanup struct mmc_test_area. | |
1297 | */ | |
1298 | static int mmc_test_area_cleanup(struct mmc_test_card *test) | |
1299 | { | |
1300 | struct mmc_test_area *t = &test->area; | |
1301 | ||
1302 | kfree(t->sg); | |
1303 | mmc_test_free_mem(t->mem); | |
1304 | ||
1305 | return 0; | |
1306 | } | |
1307 | ||
1308 | /* | |
1309 | * Initialize an area for testing large transfers. The size of the area is the | |
1310 | * preferred erase size which is a good size for optimal transfer speed. Note | |
1311 | * that is typically 4MiB for modern cards. The test area is set to the middle | |
1312 | * of the card because cards may have different charateristics at the front | |
1313 | * (for FAT file system optimization). Optionally, the area is erased (if the | |
1314 | * card supports it) which may improve write performance. Optionally, the area | |
1315 | * is filled with data for subsequent read tests. | |
1316 | */ | |
1317 | static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill) | |
1318 | { | |
1319 | struct mmc_test_area *t = &test->area; | |
fec4dcce | 1320 | unsigned long min_sz = 64 * 1024; |
64f7120d AH |
1321 | int ret; |
1322 | ||
1323 | ret = mmc_test_set_blksize(test, 512); | |
1324 | if (ret) | |
1325 | return ret; | |
1326 | ||
fec4dcce AH |
1327 | if (test->card->pref_erase > TEST_AREA_MAX_SIZE >> 9) |
1328 | t->max_sz = TEST_AREA_MAX_SIZE; | |
1329 | else | |
1330 | t->max_sz = (unsigned long)test->card->pref_erase << 9; | |
64f7120d AH |
1331 | /* |
1332 | * Try to allocate enough memory for the whole area. Less is OK | |
1333 | * because the same memory can be mapped into the scatterlist more than | |
1334 | * once. | |
1335 | */ | |
64f7120d AH |
1336 | t->mem = mmc_test_alloc_mem(min_sz, t->max_sz); |
1337 | if (!t->mem) | |
1338 | return -ENOMEM; | |
1339 | ||
1340 | t->max_segs = DIV_ROUND_UP(t->max_sz, PAGE_SIZE); | |
1341 | t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL); | |
1342 | if (!t->sg) { | |
1343 | ret = -ENOMEM; | |
1344 | goto out_free; | |
1345 | } | |
1346 | ||
1347 | t->dev_addr = mmc_test_capacity(test->card) / 2; | |
1348 | t->dev_addr -= t->dev_addr % (t->max_sz >> 9); | |
1349 | ||
1350 | if (erase) { | |
1351 | ret = mmc_test_area_erase(test); | |
1352 | if (ret) | |
1353 | goto out_free; | |
1354 | } | |
1355 | ||
1356 | if (fill) { | |
1357 | ret = mmc_test_area_fill(test); | |
1358 | if (ret) | |
1359 | goto out_free; | |
1360 | } | |
1361 | ||
1362 | return 0; | |
1363 | ||
1364 | out_free: | |
1365 | mmc_test_area_cleanup(test); | |
1366 | return ret; | |
1367 | } | |
1368 | ||
1369 | /* | |
1370 | * Prepare for large transfers. Do not erase the test area. | |
1371 | */ | |
1372 | static int mmc_test_area_prepare(struct mmc_test_card *test) | |
1373 | { | |
1374 | return mmc_test_area_init(test, 0, 0); | |
1375 | } | |
1376 | ||
1377 | /* | |
1378 | * Prepare for large transfers. Do erase the test area. | |
1379 | */ | |
1380 | static int mmc_test_area_prepare_erase(struct mmc_test_card *test) | |
1381 | { | |
1382 | return mmc_test_area_init(test, 1, 0); | |
1383 | } | |
1384 | ||
1385 | /* | |
1386 | * Prepare for large transfers. Erase and fill the test area. | |
1387 | */ | |
1388 | static int mmc_test_area_prepare_fill(struct mmc_test_card *test) | |
1389 | { | |
1390 | return mmc_test_area_init(test, 1, 1); | |
1391 | } | |
1392 | ||
1393 | /* | |
1394 | * Test best-case performance. Best-case performance is expected from | |
1395 | * a single large transfer. | |
1396 | * | |
1397 | * An additional option (max_scatter) allows the measurement of the same | |
1398 | * transfer but with no contiguous pages in the scatter list. This tests | |
1399 | * the efficiency of DMA to handle scattered pages. | |
1400 | */ | |
1401 | static int mmc_test_best_performance(struct mmc_test_card *test, int write, | |
1402 | int max_scatter) | |
1403 | { | |
1404 | return mmc_test_area_io(test, test->area.max_sz, test->area.dev_addr, | |
1405 | write, max_scatter, 1); | |
1406 | } | |
1407 | ||
1408 | /* | |
1409 | * Best-case read performance. | |
1410 | */ | |
1411 | static int mmc_test_best_read_performance(struct mmc_test_card *test) | |
1412 | { | |
1413 | return mmc_test_best_performance(test, 0, 0); | |
1414 | } | |
1415 | ||
1416 | /* | |
1417 | * Best-case write performance. | |
1418 | */ | |
1419 | static int mmc_test_best_write_performance(struct mmc_test_card *test) | |
1420 | { | |
1421 | return mmc_test_best_performance(test, 1, 0); | |
1422 | } | |
1423 | ||
1424 | /* | |
1425 | * Best-case read performance into scattered pages. | |
1426 | */ | |
1427 | static int mmc_test_best_read_perf_max_scatter(struct mmc_test_card *test) | |
1428 | { | |
1429 | return mmc_test_best_performance(test, 0, 1); | |
1430 | } | |
1431 | ||
1432 | /* | |
1433 | * Best-case write performance from scattered pages. | |
1434 | */ | |
1435 | static int mmc_test_best_write_perf_max_scatter(struct mmc_test_card *test) | |
1436 | { | |
1437 | return mmc_test_best_performance(test, 1, 1); | |
1438 | } | |
1439 | ||
1440 | /* | |
1441 | * Single read performance by transfer size. | |
1442 | */ | |
1443 | static int mmc_test_profile_read_perf(struct mmc_test_card *test) | |
1444 | { | |
fec4dcce AH |
1445 | unsigned long sz; |
1446 | unsigned int dev_addr; | |
64f7120d AH |
1447 | int ret; |
1448 | ||
1449 | for (sz = 512; sz < test->area.max_sz; sz <<= 1) { | |
1450 | dev_addr = test->area.dev_addr + (sz >> 9); | |
1451 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); | |
1452 | if (ret) | |
1453 | return ret; | |
1454 | } | |
1455 | dev_addr = test->area.dev_addr; | |
1456 | return mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); | |
1457 | } | |
1458 | ||
1459 | /* | |
1460 | * Single write performance by transfer size. | |
1461 | */ | |
1462 | static int mmc_test_profile_write_perf(struct mmc_test_card *test) | |
1463 | { | |
fec4dcce AH |
1464 | unsigned long sz; |
1465 | unsigned int dev_addr; | |
64f7120d AH |
1466 | int ret; |
1467 | ||
1468 | ret = mmc_test_area_erase(test); | |
1469 | if (ret) | |
1470 | return ret; | |
1471 | for (sz = 512; sz < test->area.max_sz; sz <<= 1) { | |
1472 | dev_addr = test->area.dev_addr + (sz >> 9); | |
1473 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); | |
1474 | if (ret) | |
1475 | return ret; | |
1476 | } | |
1477 | ret = mmc_test_area_erase(test); | |
1478 | if (ret) | |
1479 | return ret; | |
1480 | dev_addr = test->area.dev_addr; | |
1481 | return mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); | |
1482 | } | |
1483 | ||
1484 | /* | |
1485 | * Single trim performance by transfer size. | |
1486 | */ | |
1487 | static int mmc_test_profile_trim_perf(struct mmc_test_card *test) | |
1488 | { | |
fec4dcce AH |
1489 | unsigned long sz; |
1490 | unsigned int dev_addr; | |
64f7120d AH |
1491 | struct timespec ts1, ts2; |
1492 | int ret; | |
1493 | ||
1494 | if (!mmc_can_trim(test->card)) | |
1495 | return RESULT_UNSUP_CARD; | |
1496 | ||
1497 | if (!mmc_can_erase(test->card)) | |
1498 | return RESULT_UNSUP_HOST; | |
1499 | ||
1500 | for (sz = 512; sz < test->area.max_sz; sz <<= 1) { | |
1501 | dev_addr = test->area.dev_addr + (sz >> 9); | |
1502 | getnstimeofday(&ts1); | |
1503 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1504 | if (ret) | |
1505 | return ret; | |
1506 | getnstimeofday(&ts2); | |
1507 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1508 | } | |
1509 | dev_addr = test->area.dev_addr; | |
1510 | getnstimeofday(&ts1); | |
1511 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1512 | if (ret) | |
1513 | return ret; | |
1514 | getnstimeofday(&ts2); | |
1515 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1516 | return 0; | |
1517 | } | |
1518 | ||
1519 | /* | |
1520 | * Consecutive read performance by transfer size. | |
1521 | */ | |
1522 | static int mmc_test_profile_seq_read_perf(struct mmc_test_card *test) | |
1523 | { | |
fec4dcce AH |
1524 | unsigned long sz; |
1525 | unsigned int dev_addr, i, cnt; | |
64f7120d AH |
1526 | struct timespec ts1, ts2; |
1527 | int ret; | |
1528 | ||
1529 | for (sz = 512; sz <= test->area.max_sz; sz <<= 1) { | |
1530 | cnt = test->area.max_sz / sz; | |
1531 | dev_addr = test->area.dev_addr; | |
1532 | getnstimeofday(&ts1); | |
1533 | for (i = 0; i < cnt; i++) { | |
1534 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 0); | |
1535 | if (ret) | |
1536 | return ret; | |
1537 | dev_addr += (sz >> 9); | |
1538 | } | |
1539 | getnstimeofday(&ts2); | |
1540 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1541 | } | |
1542 | return 0; | |
1543 | } | |
1544 | ||
1545 | /* | |
1546 | * Consecutive write performance by transfer size. | |
1547 | */ | |
1548 | static int mmc_test_profile_seq_write_perf(struct mmc_test_card *test) | |
1549 | { | |
fec4dcce AH |
1550 | unsigned long sz; |
1551 | unsigned int dev_addr, i, cnt; | |
64f7120d AH |
1552 | struct timespec ts1, ts2; |
1553 | int ret; | |
1554 | ||
1555 | for (sz = 512; sz <= test->area.max_sz; sz <<= 1) { | |
1556 | ret = mmc_test_area_erase(test); | |
1557 | if (ret) | |
1558 | return ret; | |
1559 | cnt = test->area.max_sz / sz; | |
1560 | dev_addr = test->area.dev_addr; | |
1561 | getnstimeofday(&ts1); | |
1562 | for (i = 0; i < cnt; i++) { | |
1563 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 0); | |
1564 | if (ret) | |
1565 | return ret; | |
1566 | dev_addr += (sz >> 9); | |
1567 | } | |
1568 | getnstimeofday(&ts2); | |
1569 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1570 | } | |
1571 | return 0; | |
1572 | } | |
1573 | ||
1574 | /* | |
1575 | * Consecutive trim performance by transfer size. | |
1576 | */ | |
1577 | static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test) | |
1578 | { | |
fec4dcce AH |
1579 | unsigned long sz; |
1580 | unsigned int dev_addr, i, cnt; | |
64f7120d AH |
1581 | struct timespec ts1, ts2; |
1582 | int ret; | |
1583 | ||
1584 | if (!mmc_can_trim(test->card)) | |
1585 | return RESULT_UNSUP_CARD; | |
1586 | ||
1587 | if (!mmc_can_erase(test->card)) | |
1588 | return RESULT_UNSUP_HOST; | |
1589 | ||
1590 | for (sz = 512; sz <= test->area.max_sz; sz <<= 1) { | |
1591 | ret = mmc_test_area_erase(test); | |
1592 | if (ret) | |
1593 | return ret; | |
1594 | ret = mmc_test_area_fill(test); | |
1595 | if (ret) | |
1596 | return ret; | |
1597 | cnt = test->area.max_sz / sz; | |
1598 | dev_addr = test->area.dev_addr; | |
1599 | getnstimeofday(&ts1); | |
1600 | for (i = 0; i < cnt; i++) { | |
1601 | ret = mmc_erase(test->card, dev_addr, sz >> 9, | |
1602 | MMC_TRIM_ARG); | |
1603 | if (ret) | |
1604 | return ret; | |
1605 | dev_addr += (sz >> 9); | |
1606 | } | |
1607 | getnstimeofday(&ts2); | |
1608 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1609 | } | |
1610 | return 0; | |
1611 | } | |
1612 | ||
88ae600d PO |
1613 | static const struct mmc_test_case mmc_test_cases[] = { |
1614 | { | |
1615 | .name = "Basic write (no data verification)", | |
1616 | .run = mmc_test_basic_write, | |
1617 | }, | |
1618 | ||
1619 | { | |
1620 | .name = "Basic read (no data verification)", | |
1621 | .run = mmc_test_basic_read, | |
1622 | }, | |
1623 | ||
1624 | { | |
1625 | .name = "Basic write (with data verification)", | |
6b174931 | 1626 | .prepare = mmc_test_prepare_write, |
88ae600d | 1627 | .run = mmc_test_verify_write, |
6b174931 | 1628 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1629 | }, |
1630 | ||
1631 | { | |
1632 | .name = "Basic read (with data verification)", | |
6b174931 | 1633 | .prepare = mmc_test_prepare_read, |
88ae600d | 1634 | .run = mmc_test_verify_read, |
6b174931 | 1635 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1636 | }, |
1637 | ||
1638 | { | |
1639 | .name = "Multi-block write", | |
6b174931 | 1640 | .prepare = mmc_test_prepare_write, |
88ae600d | 1641 | .run = mmc_test_multi_write, |
6b174931 | 1642 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1643 | }, |
1644 | ||
1645 | { | |
1646 | .name = "Multi-block read", | |
6b174931 | 1647 | .prepare = mmc_test_prepare_read, |
88ae600d | 1648 | .run = mmc_test_multi_read, |
6b174931 | 1649 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1650 | }, |
1651 | ||
1652 | { | |
1653 | .name = "Power of two block writes", | |
6b174931 | 1654 | .prepare = mmc_test_prepare_write, |
88ae600d | 1655 | .run = mmc_test_pow2_write, |
6b174931 | 1656 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1657 | }, |
1658 | ||
1659 | { | |
1660 | .name = "Power of two block reads", | |
6b174931 | 1661 | .prepare = mmc_test_prepare_read, |
88ae600d | 1662 | .run = mmc_test_pow2_read, |
6b174931 | 1663 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1664 | }, |
1665 | ||
1666 | { | |
1667 | .name = "Weird sized block writes", | |
6b174931 | 1668 | .prepare = mmc_test_prepare_write, |
88ae600d | 1669 | .run = mmc_test_weird_write, |
6b174931 | 1670 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1671 | }, |
1672 | ||
1673 | { | |
1674 | .name = "Weird sized block reads", | |
6b174931 | 1675 | .prepare = mmc_test_prepare_read, |
88ae600d | 1676 | .run = mmc_test_weird_read, |
6b174931 | 1677 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1678 | }, |
1679 | ||
1680 | { | |
1681 | .name = "Badly aligned write", | |
6b174931 | 1682 | .prepare = mmc_test_prepare_write, |
88ae600d | 1683 | .run = mmc_test_align_write, |
6b174931 | 1684 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1685 | }, |
1686 | ||
1687 | { | |
1688 | .name = "Badly aligned read", | |
6b174931 | 1689 | .prepare = mmc_test_prepare_read, |
88ae600d | 1690 | .run = mmc_test_align_read, |
6b174931 | 1691 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1692 | }, |
1693 | ||
1694 | { | |
1695 | .name = "Badly aligned multi-block write", | |
6b174931 | 1696 | .prepare = mmc_test_prepare_write, |
88ae600d | 1697 | .run = mmc_test_align_multi_write, |
6b174931 | 1698 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1699 | }, |
1700 | ||
1701 | { | |
1702 | .name = "Badly aligned multi-block read", | |
6b174931 | 1703 | .prepare = mmc_test_prepare_read, |
88ae600d | 1704 | .run = mmc_test_align_multi_read, |
6b174931 | 1705 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1706 | }, |
1707 | ||
1708 | { | |
1709 | .name = "Correct xfer_size at write (start failure)", | |
1710 | .run = mmc_test_xfersize_write, | |
1711 | }, | |
1712 | ||
1713 | { | |
1714 | .name = "Correct xfer_size at read (start failure)", | |
1715 | .run = mmc_test_xfersize_read, | |
1716 | }, | |
1717 | ||
1718 | { | |
1719 | .name = "Correct xfer_size at write (midway failure)", | |
1720 | .run = mmc_test_multi_xfersize_write, | |
1721 | }, | |
1722 | ||
1723 | { | |
1724 | .name = "Correct xfer_size at read (midway failure)", | |
1725 | .run = mmc_test_multi_xfersize_read, | |
1726 | }, | |
2661081f PO |
1727 | |
1728 | #ifdef CONFIG_HIGHMEM | |
1729 | ||
1730 | { | |
1731 | .name = "Highmem write", | |
1732 | .prepare = mmc_test_prepare_write, | |
1733 | .run = mmc_test_write_high, | |
1734 | .cleanup = mmc_test_cleanup, | |
1735 | }, | |
1736 | ||
1737 | { | |
1738 | .name = "Highmem read", | |
1739 | .prepare = mmc_test_prepare_read, | |
1740 | .run = mmc_test_read_high, | |
1741 | .cleanup = mmc_test_cleanup, | |
1742 | }, | |
1743 | ||
1744 | { | |
1745 | .name = "Multi-block highmem write", | |
1746 | .prepare = mmc_test_prepare_write, | |
1747 | .run = mmc_test_multi_write_high, | |
1748 | .cleanup = mmc_test_cleanup, | |
1749 | }, | |
1750 | ||
1751 | { | |
1752 | .name = "Multi-block highmem read", | |
1753 | .prepare = mmc_test_prepare_read, | |
1754 | .run = mmc_test_multi_read_high, | |
1755 | .cleanup = mmc_test_cleanup, | |
1756 | }, | |
1757 | ||
64f7120d AH |
1758 | #else |
1759 | ||
1760 | { | |
1761 | .name = "Highmem write", | |
1762 | .run = mmc_test_no_highmem, | |
1763 | }, | |
1764 | ||
1765 | { | |
1766 | .name = "Highmem read", | |
1767 | .run = mmc_test_no_highmem, | |
1768 | }, | |
1769 | ||
1770 | { | |
1771 | .name = "Multi-block highmem write", | |
1772 | .run = mmc_test_no_highmem, | |
1773 | }, | |
1774 | ||
1775 | { | |
1776 | .name = "Multi-block highmem read", | |
1777 | .run = mmc_test_no_highmem, | |
1778 | }, | |
1779 | ||
2661081f PO |
1780 | #endif /* CONFIG_HIGHMEM */ |
1781 | ||
64f7120d AH |
1782 | { |
1783 | .name = "Best-case read performance", | |
1784 | .prepare = mmc_test_area_prepare_fill, | |
1785 | .run = mmc_test_best_read_performance, | |
1786 | .cleanup = mmc_test_area_cleanup, | |
1787 | }, | |
1788 | ||
1789 | { | |
1790 | .name = "Best-case write performance", | |
1791 | .prepare = mmc_test_area_prepare_erase, | |
1792 | .run = mmc_test_best_write_performance, | |
1793 | .cleanup = mmc_test_area_cleanup, | |
1794 | }, | |
1795 | ||
1796 | { | |
1797 | .name = "Best-case read performance into scattered pages", | |
1798 | .prepare = mmc_test_area_prepare_fill, | |
1799 | .run = mmc_test_best_read_perf_max_scatter, | |
1800 | .cleanup = mmc_test_area_cleanup, | |
1801 | }, | |
1802 | ||
1803 | { | |
1804 | .name = "Best-case write performance from scattered pages", | |
1805 | .prepare = mmc_test_area_prepare_erase, | |
1806 | .run = mmc_test_best_write_perf_max_scatter, | |
1807 | .cleanup = mmc_test_area_cleanup, | |
1808 | }, | |
1809 | ||
1810 | { | |
1811 | .name = "Single read performance by transfer size", | |
1812 | .prepare = mmc_test_area_prepare_fill, | |
1813 | .run = mmc_test_profile_read_perf, | |
1814 | .cleanup = mmc_test_area_cleanup, | |
1815 | }, | |
1816 | ||
1817 | { | |
1818 | .name = "Single write performance by transfer size", | |
1819 | .prepare = mmc_test_area_prepare, | |
1820 | .run = mmc_test_profile_write_perf, | |
1821 | .cleanup = mmc_test_area_cleanup, | |
1822 | }, | |
1823 | ||
1824 | { | |
1825 | .name = "Single trim performance by transfer size", | |
1826 | .prepare = mmc_test_area_prepare_fill, | |
1827 | .run = mmc_test_profile_trim_perf, | |
1828 | .cleanup = mmc_test_area_cleanup, | |
1829 | }, | |
1830 | ||
1831 | { | |
1832 | .name = "Consecutive read performance by transfer size", | |
1833 | .prepare = mmc_test_area_prepare_fill, | |
1834 | .run = mmc_test_profile_seq_read_perf, | |
1835 | .cleanup = mmc_test_area_cleanup, | |
1836 | }, | |
1837 | ||
1838 | { | |
1839 | .name = "Consecutive write performance by transfer size", | |
1840 | .prepare = mmc_test_area_prepare, | |
1841 | .run = mmc_test_profile_seq_write_perf, | |
1842 | .cleanup = mmc_test_area_cleanup, | |
1843 | }, | |
1844 | ||
1845 | { | |
1846 | .name = "Consecutive trim performance by transfer size", | |
1847 | .prepare = mmc_test_area_prepare, | |
1848 | .run = mmc_test_profile_seq_trim_perf, | |
1849 | .cleanup = mmc_test_area_cleanup, | |
1850 | }, | |
1851 | ||
88ae600d PO |
1852 | }; |
1853 | ||
a650031a | 1854 | static DEFINE_MUTEX(mmc_test_lock); |
88ae600d | 1855 | |
fd8c326c | 1856 | static void mmc_test_run(struct mmc_test_card *test, int testcase) |
88ae600d PO |
1857 | { |
1858 | int i, ret; | |
1859 | ||
1860 | printk(KERN_INFO "%s: Starting tests of card %s...\n", | |
1861 | mmc_hostname(test->card->host), mmc_card_id(test->card)); | |
1862 | ||
1863 | mmc_claim_host(test->card->host); | |
1864 | ||
1865 | for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) { | |
fd8c326c PO |
1866 | if (testcase && ((i + 1) != testcase)) |
1867 | continue; | |
1868 | ||
88ae600d PO |
1869 | printk(KERN_INFO "%s: Test case %d. %s...\n", |
1870 | mmc_hostname(test->card->host), i + 1, | |
1871 | mmc_test_cases[i].name); | |
1872 | ||
1873 | if (mmc_test_cases[i].prepare) { | |
1874 | ret = mmc_test_cases[i].prepare(test); | |
1875 | if (ret) { | |
1876 | printk(KERN_INFO "%s: Result: Prepare " | |
1877 | "stage failed! (%d)\n", | |
1878 | mmc_hostname(test->card->host), | |
1879 | ret); | |
1880 | continue; | |
1881 | } | |
1882 | } | |
1883 | ||
1884 | ret = mmc_test_cases[i].run(test); | |
1885 | switch (ret) { | |
1886 | case RESULT_OK: | |
1887 | printk(KERN_INFO "%s: Result: OK\n", | |
1888 | mmc_hostname(test->card->host)); | |
1889 | break; | |
1890 | case RESULT_FAIL: | |
1891 | printk(KERN_INFO "%s: Result: FAILED\n", | |
1892 | mmc_hostname(test->card->host)); | |
1893 | break; | |
1894 | case RESULT_UNSUP_HOST: | |
1895 | printk(KERN_INFO "%s: Result: UNSUPPORTED " | |
1896 | "(by host)\n", | |
1897 | mmc_hostname(test->card->host)); | |
1898 | break; | |
1899 | case RESULT_UNSUP_CARD: | |
1900 | printk(KERN_INFO "%s: Result: UNSUPPORTED " | |
1901 | "(by card)\n", | |
1902 | mmc_hostname(test->card->host)); | |
1903 | break; | |
1904 | default: | |
1905 | printk(KERN_INFO "%s: Result: ERROR (%d)\n", | |
1906 | mmc_hostname(test->card->host), ret); | |
1907 | } | |
1908 | ||
1909 | if (mmc_test_cases[i].cleanup) { | |
1910 | ret = mmc_test_cases[i].cleanup(test); | |
1911 | if (ret) { | |
1912 | printk(KERN_INFO "%s: Warning: Cleanup " | |
1913 | "stage failed! (%d)\n", | |
1914 | mmc_hostname(test->card->host), | |
1915 | ret); | |
1916 | } | |
1917 | } | |
1918 | } | |
1919 | ||
1920 | mmc_release_host(test->card->host); | |
1921 | ||
1922 | printk(KERN_INFO "%s: Tests completed.\n", | |
1923 | mmc_hostname(test->card->host)); | |
1924 | } | |
1925 | ||
1926 | static ssize_t mmc_test_show(struct device *dev, | |
1927 | struct device_attribute *attr, char *buf) | |
1928 | { | |
1929 | mutex_lock(&mmc_test_lock); | |
1930 | mutex_unlock(&mmc_test_lock); | |
1931 | ||
1932 | return 0; | |
1933 | } | |
1934 | ||
1935 | static ssize_t mmc_test_store(struct device *dev, | |
1936 | struct device_attribute *attr, const char *buf, size_t count) | |
1937 | { | |
1938 | struct mmc_card *card; | |
1939 | struct mmc_test_card *test; | |
fd8c326c | 1940 | int testcase; |
88ae600d PO |
1941 | |
1942 | card = container_of(dev, struct mmc_card, dev); | |
1943 | ||
fd8c326c PO |
1944 | testcase = simple_strtol(buf, NULL, 10); |
1945 | ||
88ae600d PO |
1946 | test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL); |
1947 | if (!test) | |
1948 | return -ENOMEM; | |
1949 | ||
1950 | test->card = card; | |
1951 | ||
1952 | test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); | |
2661081f PO |
1953 | #ifdef CONFIG_HIGHMEM |
1954 | test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); | |
1955 | #endif | |
1956 | ||
1957 | #ifdef CONFIG_HIGHMEM | |
1958 | if (test->buffer && test->highmem) { | |
1959 | #else | |
88ae600d | 1960 | if (test->buffer) { |
2661081f | 1961 | #endif |
88ae600d | 1962 | mutex_lock(&mmc_test_lock); |
fd8c326c | 1963 | mmc_test_run(test, testcase); |
88ae600d PO |
1964 | mutex_unlock(&mmc_test_lock); |
1965 | } | |
1966 | ||
2661081f PO |
1967 | #ifdef CONFIG_HIGHMEM |
1968 | __free_pages(test->highmem, BUFFER_ORDER); | |
1969 | #endif | |
88ae600d PO |
1970 | kfree(test->buffer); |
1971 | kfree(test); | |
1972 | ||
1973 | return count; | |
1974 | } | |
1975 | ||
1976 | static DEVICE_ATTR(test, S_IWUSR | S_IRUGO, mmc_test_show, mmc_test_store); | |
1977 | ||
1978 | static int mmc_test_probe(struct mmc_card *card) | |
1979 | { | |
1980 | int ret; | |
1981 | ||
0121a982 PO |
1982 | if ((card->type != MMC_TYPE_MMC) && (card->type != MMC_TYPE_SD)) |
1983 | return -ENODEV; | |
1984 | ||
88ae600d PO |
1985 | ret = device_create_file(&card->dev, &dev_attr_test); |
1986 | if (ret) | |
1987 | return ret; | |
1988 | ||
60c9c7b1 PO |
1989 | dev_info(&card->dev, "Card claimed for testing.\n"); |
1990 | ||
88ae600d PO |
1991 | return 0; |
1992 | } | |
1993 | ||
1994 | static void mmc_test_remove(struct mmc_card *card) | |
1995 | { | |
1996 | device_remove_file(&card->dev, &dev_attr_test); | |
1997 | } | |
1998 | ||
1999 | static struct mmc_driver mmc_driver = { | |
2000 | .drv = { | |
2001 | .name = "mmc_test", | |
2002 | }, | |
2003 | .probe = mmc_test_probe, | |
2004 | .remove = mmc_test_remove, | |
2005 | }; | |
2006 | ||
2007 | static int __init mmc_test_init(void) | |
2008 | { | |
2009 | return mmc_register_driver(&mmc_driver); | |
2010 | } | |
2011 | ||
2012 | static void __exit mmc_test_exit(void) | |
2013 | { | |
2014 | mmc_unregister_driver(&mmc_driver); | |
2015 | } | |
2016 | ||
2017 | module_init(mmc_test_init); | |
2018 | module_exit(mmc_test_exit); | |
2019 | ||
2020 | MODULE_LICENSE("GPL"); | |
2021 | MODULE_DESCRIPTION("Multimedia Card (MMC) host test driver"); | |
2022 | MODULE_AUTHOR("Pierre Ossman"); |