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() */ |
3183aa15 | 20 | #include <linux/list.h> |
88ae600d | 21 | |
130067ed AS |
22 | #include <linux/debugfs.h> |
23 | #include <linux/uaccess.h> | |
24 | #include <linux/seq_file.h> | |
25 | ||
88ae600d PO |
26 | #define RESULT_OK 0 |
27 | #define RESULT_FAIL 1 | |
28 | #define RESULT_UNSUP_HOST 2 | |
29 | #define RESULT_UNSUP_CARD 3 | |
30 | ||
2661081f PO |
31 | #define BUFFER_ORDER 2 |
32 | #define BUFFER_SIZE (PAGE_SIZE << BUFFER_ORDER) | |
88ae600d | 33 | |
fec4dcce AH |
34 | /* |
35 | * Limit the test area size to the maximum MMC HC erase group size. Note that | |
36 | * the maximum SD allocation unit size is just 4MiB. | |
37 | */ | |
38 | #define TEST_AREA_MAX_SIZE (128 * 1024 * 1024) | |
39 | ||
64f7120d AH |
40 | /** |
41 | * struct mmc_test_pages - pages allocated by 'alloc_pages()'. | |
42 | * @page: first page in the allocation | |
43 | * @order: order of the number of pages allocated | |
44 | */ | |
45 | struct mmc_test_pages { | |
46 | struct page *page; | |
47 | unsigned int order; | |
48 | }; | |
49 | ||
50 | /** | |
51 | * struct mmc_test_mem - allocated memory. | |
52 | * @arr: array of allocations | |
53 | * @cnt: number of allocations | |
54 | */ | |
55 | struct mmc_test_mem { | |
56 | struct mmc_test_pages *arr; | |
57 | unsigned int cnt; | |
58 | }; | |
59 | ||
60 | /** | |
61 | * struct mmc_test_area - information for performance tests. | |
64f7120d | 62 | * @max_sz: test area size (in bytes) |
fec4dcce | 63 | * @dev_addr: address on card at which to do performance tests |
c8c8c1bd AH |
64 | * @max_tfr: maximum transfer size allowed by driver (in bytes) |
65 | * @max_segs: maximum segments allowed by driver in scatterlist @sg | |
66 | * @max_seg_sz: maximum segment size allowed by driver | |
64f7120d AH |
67 | * @blocks: number of (512 byte) blocks currently mapped by @sg |
68 | * @sg_len: length of currently mapped scatterlist @sg | |
69 | * @mem: allocated memory | |
70 | * @sg: scatterlist | |
71 | */ | |
72 | struct mmc_test_area { | |
fec4dcce | 73 | unsigned long max_sz; |
64f7120d | 74 | unsigned int dev_addr; |
c8c8c1bd | 75 | unsigned int max_tfr; |
64f7120d | 76 | unsigned int max_segs; |
c8c8c1bd | 77 | unsigned int max_seg_sz; |
64f7120d AH |
78 | unsigned int blocks; |
79 | unsigned int sg_len; | |
80 | struct mmc_test_mem *mem; | |
81 | struct scatterlist *sg; | |
82 | }; | |
83 | ||
3183aa15 AS |
84 | /** |
85 | * struct mmc_test_transfer_result - transfer results for performance tests. | |
86 | * @link: double-linked list | |
87 | * @count: amount of group of sectors to check | |
88 | * @sectors: amount of sectors to check in one group | |
89 | * @ts: time values of transfer | |
90 | * @rate: calculated transfer rate | |
91 | */ | |
92 | struct mmc_test_transfer_result { | |
93 | struct list_head link; | |
94 | unsigned int count; | |
95 | unsigned int sectors; | |
96 | struct timespec ts; | |
97 | unsigned int rate; | |
98 | }; | |
99 | ||
100 | /** | |
101 | * struct mmc_test_general_result - results for tests. | |
102 | * @link: double-linked list | |
103 | * @card: card under test | |
104 | * @testcase: number of test case | |
105 | * @result: result of test run | |
106 | * @tr_lst: transfer measurements if any as mmc_test_transfer_result | |
107 | */ | |
108 | struct mmc_test_general_result { | |
109 | struct list_head link; | |
110 | struct mmc_card *card; | |
111 | int testcase; | |
112 | int result; | |
113 | struct list_head tr_lst; | |
114 | }; | |
115 | ||
130067ed AS |
116 | /** |
117 | * struct mmc_test_dbgfs_file - debugfs related file. | |
118 | * @link: double-linked list | |
119 | * @card: card under test | |
120 | * @file: file created under debugfs | |
121 | */ | |
122 | struct mmc_test_dbgfs_file { | |
123 | struct list_head link; | |
124 | struct mmc_card *card; | |
125 | struct dentry *file; | |
126 | }; | |
127 | ||
64f7120d AH |
128 | /** |
129 | * struct mmc_test_card - test information. | |
130 | * @card: card under test | |
131 | * @scratch: transfer buffer | |
132 | * @buffer: transfer buffer | |
133 | * @highmem: buffer for highmem tests | |
134 | * @area: information for performance tests | |
3183aa15 | 135 | * @gr: pointer to results of current testcase |
64f7120d | 136 | */ |
88ae600d PO |
137 | struct mmc_test_card { |
138 | struct mmc_card *card; | |
139 | ||
6b174931 | 140 | u8 scratch[BUFFER_SIZE]; |
88ae600d | 141 | u8 *buffer; |
2661081f PO |
142 | #ifdef CONFIG_HIGHMEM |
143 | struct page *highmem; | |
144 | #endif | |
3183aa15 AS |
145 | struct mmc_test_area area; |
146 | struct mmc_test_general_result *gr; | |
88ae600d PO |
147 | }; |
148 | ||
149 | /*******************************************************************/ | |
6b174931 | 150 | /* General helper functions */ |
88ae600d PO |
151 | /*******************************************************************/ |
152 | ||
6b174931 PO |
153 | /* |
154 | * Configure correct block size in card | |
155 | */ | |
88ae600d PO |
156 | static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size) |
157 | { | |
0f8d8ea6 | 158 | return mmc_set_blocklen(test->card, size); |
88ae600d PO |
159 | } |
160 | ||
6b174931 PO |
161 | /* |
162 | * Fill in the mmc_request structure given a set of transfer parameters. | |
163 | */ | |
164 | static void mmc_test_prepare_mrq(struct mmc_test_card *test, | |
165 | struct mmc_request *mrq, struct scatterlist *sg, unsigned sg_len, | |
166 | unsigned dev_addr, unsigned blocks, unsigned blksz, int write) | |
88ae600d | 167 | { |
6b174931 | 168 | BUG_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop); |
88ae600d | 169 | |
6b174931 PO |
170 | if (blocks > 1) { |
171 | mrq->cmd->opcode = write ? | |
172 | MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK; | |
88ae600d | 173 | } else { |
6b174931 PO |
174 | mrq->cmd->opcode = write ? |
175 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
88ae600d PO |
176 | } |
177 | ||
6b174931 | 178 | mrq->cmd->arg = dev_addr; |
c286d03c JK |
179 | if (!mmc_card_blockaddr(test->card)) |
180 | mrq->cmd->arg <<= 9; | |
181 | ||
6b174931 | 182 | mrq->cmd->flags = MMC_RSP_R1 | MMC_CMD_ADTC; |
88ae600d | 183 | |
6b174931 PO |
184 | if (blocks == 1) |
185 | mrq->stop = NULL; | |
186 | else { | |
187 | mrq->stop->opcode = MMC_STOP_TRANSMISSION; | |
188 | mrq->stop->arg = 0; | |
189 | mrq->stop->flags = MMC_RSP_R1B | MMC_CMD_AC; | |
88ae600d PO |
190 | } |
191 | ||
6b174931 PO |
192 | mrq->data->blksz = blksz; |
193 | mrq->data->blocks = blocks; | |
194 | mrq->data->flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; | |
195 | mrq->data->sg = sg; | |
196 | mrq->data->sg_len = sg_len; | |
88ae600d | 197 | |
6b174931 PO |
198 | mmc_set_data_timeout(mrq->data, test->card); |
199 | } | |
88ae600d | 200 | |
64f7120d AH |
201 | static int mmc_test_busy(struct mmc_command *cmd) |
202 | { | |
203 | return !(cmd->resp[0] & R1_READY_FOR_DATA) || | |
204 | (R1_CURRENT_STATE(cmd->resp[0]) == 7); | |
205 | } | |
206 | ||
6b174931 PO |
207 | /* |
208 | * Wait for the card to finish the busy state | |
209 | */ | |
210 | static int mmc_test_wait_busy(struct mmc_test_card *test) | |
211 | { | |
212 | int ret, busy; | |
213 | struct mmc_command cmd; | |
88ae600d PO |
214 | |
215 | busy = 0; | |
216 | do { | |
88ae600d PO |
217 | memset(&cmd, 0, sizeof(struct mmc_command)); |
218 | ||
219 | cmd.opcode = MMC_SEND_STATUS; | |
220 | cmd.arg = test->card->rca << 16; | |
221 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; | |
222 | ||
6b174931 PO |
223 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); |
224 | if (ret) | |
88ae600d PO |
225 | break; |
226 | ||
64f7120d | 227 | if (!busy && mmc_test_busy(&cmd)) { |
88ae600d PO |
228 | busy = 1; |
229 | printk(KERN_INFO "%s: Warning: Host did not " | |
230 | "wait for busy state to end.\n", | |
231 | mmc_hostname(test->card->host)); | |
232 | } | |
64f7120d | 233 | } while (mmc_test_busy(&cmd)); |
88ae600d PO |
234 | |
235 | return ret; | |
236 | } | |
237 | ||
6b174931 PO |
238 | /* |
239 | * Transfer a single sector of kernel addressable data | |
240 | */ | |
241 | static int mmc_test_buffer_transfer(struct mmc_test_card *test, | |
242 | u8 *buffer, unsigned addr, unsigned blksz, int write) | |
88ae600d | 243 | { |
6b174931 PO |
244 | int ret; |
245 | ||
246 | struct mmc_request mrq; | |
247 | struct mmc_command cmd; | |
248 | struct mmc_command stop; | |
249 | struct mmc_data data; | |
250 | ||
251 | struct scatterlist sg; | |
252 | ||
253 | memset(&mrq, 0, sizeof(struct mmc_request)); | |
254 | memset(&cmd, 0, sizeof(struct mmc_command)); | |
255 | memset(&data, 0, sizeof(struct mmc_data)); | |
256 | memset(&stop, 0, sizeof(struct mmc_command)); | |
257 | ||
258 | mrq.cmd = &cmd; | |
259 | mrq.data = &data; | |
260 | mrq.stop = &stop; | |
261 | ||
262 | sg_init_one(&sg, buffer, blksz); | |
263 | ||
264 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write); | |
265 | ||
266 | mmc_wait_for_req(test->card->host, &mrq); | |
267 | ||
268 | if (cmd.error) | |
269 | return cmd.error; | |
270 | if (data.error) | |
271 | return data.error; | |
272 | ||
273 | ret = mmc_test_wait_busy(test); | |
274 | if (ret) | |
275 | return ret; | |
276 | ||
277 | return 0; | |
88ae600d PO |
278 | } |
279 | ||
64f7120d AH |
280 | static void mmc_test_free_mem(struct mmc_test_mem *mem) |
281 | { | |
282 | if (!mem) | |
283 | return; | |
284 | while (mem->cnt--) | |
285 | __free_pages(mem->arr[mem->cnt].page, | |
286 | mem->arr[mem->cnt].order); | |
287 | kfree(mem->arr); | |
288 | kfree(mem); | |
289 | } | |
290 | ||
291 | /* | |
292 | * Allocate a lot of memory, preferrably max_sz but at least min_sz. In case | |
c8c8c1bd AH |
293 | * there isn't much memory do not exceed 1/16th total lowmem pages. Also do |
294 | * not exceed a maximum number of segments and try not to make segments much | |
295 | * bigger than maximum segment size. | |
64f7120d | 296 | */ |
fec4dcce | 297 | static struct mmc_test_mem *mmc_test_alloc_mem(unsigned long min_sz, |
c8c8c1bd AH |
298 | unsigned long max_sz, |
299 | unsigned int max_segs, | |
300 | unsigned int max_seg_sz) | |
64f7120d | 301 | { |
fec4dcce AH |
302 | unsigned long max_page_cnt = DIV_ROUND_UP(max_sz, PAGE_SIZE); |
303 | unsigned long min_page_cnt = DIV_ROUND_UP(min_sz, PAGE_SIZE); | |
c8c8c1bd | 304 | unsigned long max_seg_page_cnt = DIV_ROUND_UP(max_seg_sz, PAGE_SIZE); |
fec4dcce AH |
305 | unsigned long page_cnt = 0; |
306 | unsigned long limit = nr_free_buffer_pages() >> 4; | |
64f7120d | 307 | struct mmc_test_mem *mem; |
64f7120d | 308 | |
fec4dcce AH |
309 | if (max_page_cnt > limit) |
310 | max_page_cnt = limit; | |
3d203be8 AH |
311 | if (min_page_cnt > max_page_cnt) |
312 | min_page_cnt = max_page_cnt; | |
64f7120d | 313 | |
c8c8c1bd AH |
314 | if (max_seg_page_cnt > max_page_cnt) |
315 | max_seg_page_cnt = max_page_cnt; | |
316 | ||
317 | if (max_segs > max_page_cnt) | |
318 | max_segs = max_page_cnt; | |
319 | ||
64f7120d AH |
320 | mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL); |
321 | if (!mem) | |
322 | return NULL; | |
323 | ||
c8c8c1bd | 324 | mem->arr = kzalloc(sizeof(struct mmc_test_pages) * max_segs, |
64f7120d AH |
325 | GFP_KERNEL); |
326 | if (!mem->arr) | |
327 | goto out_free; | |
328 | ||
329 | while (max_page_cnt) { | |
330 | struct page *page; | |
331 | unsigned int order; | |
332 | gfp_t flags = GFP_KERNEL | GFP_DMA | __GFP_NOWARN | | |
333 | __GFP_NORETRY; | |
334 | ||
c8c8c1bd | 335 | order = get_order(max_seg_page_cnt << PAGE_SHIFT); |
64f7120d AH |
336 | while (1) { |
337 | page = alloc_pages(flags, order); | |
338 | if (page || !order) | |
339 | break; | |
340 | order -= 1; | |
341 | } | |
342 | if (!page) { | |
343 | if (page_cnt < min_page_cnt) | |
344 | goto out_free; | |
345 | break; | |
346 | } | |
347 | mem->arr[mem->cnt].page = page; | |
348 | mem->arr[mem->cnt].order = order; | |
349 | mem->cnt += 1; | |
fec4dcce AH |
350 | if (max_page_cnt <= (1UL << order)) |
351 | break; | |
3d203be8 AH |
352 | max_page_cnt -= 1UL << order; |
353 | page_cnt += 1UL << order; | |
c8c8c1bd AH |
354 | if (mem->cnt >= max_segs) { |
355 | if (page_cnt < min_page_cnt) | |
356 | goto out_free; | |
357 | break; | |
358 | } | |
64f7120d AH |
359 | } |
360 | ||
361 | return mem; | |
362 | ||
363 | out_free: | |
364 | mmc_test_free_mem(mem); | |
365 | return NULL; | |
366 | } | |
367 | ||
368 | /* | |
369 | * Map memory into a scatterlist. Optionally allow the same memory to be | |
370 | * mapped more than once. | |
371 | */ | |
fec4dcce | 372 | static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long sz, |
64f7120d | 373 | struct scatterlist *sglist, int repeat, |
c8c8c1bd AH |
374 | unsigned int max_segs, unsigned int max_seg_sz, |
375 | unsigned int *sg_len) | |
64f7120d AH |
376 | { |
377 | struct scatterlist *sg = NULL; | |
378 | unsigned int i; | |
379 | ||
380 | sg_init_table(sglist, max_segs); | |
381 | ||
382 | *sg_len = 0; | |
383 | do { | |
384 | for (i = 0; i < mem->cnt; i++) { | |
fec4dcce | 385 | unsigned long len = PAGE_SIZE << mem->arr[i].order; |
64f7120d | 386 | |
c8c8c1bd | 387 | if (len > sz) |
64f7120d | 388 | len = sz; |
c8c8c1bd AH |
389 | if (len > max_seg_sz) |
390 | len = max_seg_sz; | |
64f7120d AH |
391 | if (sg) |
392 | sg = sg_next(sg); | |
393 | else | |
394 | sg = sglist; | |
395 | if (!sg) | |
396 | return -EINVAL; | |
397 | sg_set_page(sg, mem->arr[i].page, len, 0); | |
398 | sz -= len; | |
399 | *sg_len += 1; | |
400 | if (!sz) | |
401 | break; | |
402 | } | |
403 | } while (sz && repeat); | |
404 | ||
405 | if (sz) | |
406 | return -EINVAL; | |
407 | ||
408 | if (sg) | |
409 | sg_mark_end(sg); | |
410 | ||
411 | return 0; | |
412 | } | |
413 | ||
414 | /* | |
415 | * Map memory into a scatterlist so that no pages are contiguous. Allow the | |
416 | * same memory to be mapped more than once. | |
417 | */ | |
418 | static int mmc_test_map_sg_max_scatter(struct mmc_test_mem *mem, | |
fec4dcce | 419 | unsigned long sz, |
64f7120d AH |
420 | struct scatterlist *sglist, |
421 | unsigned int max_segs, | |
c8c8c1bd | 422 | unsigned int max_seg_sz, |
64f7120d AH |
423 | unsigned int *sg_len) |
424 | { | |
425 | struct scatterlist *sg = NULL; | |
fec4dcce AH |
426 | unsigned int i = mem->cnt, cnt; |
427 | unsigned long len; | |
64f7120d AH |
428 | void *base, *addr, *last_addr = NULL; |
429 | ||
430 | sg_init_table(sglist, max_segs); | |
431 | ||
432 | *sg_len = 0; | |
c8c8c1bd | 433 | while (sz) { |
64f7120d AH |
434 | base = page_address(mem->arr[--i].page); |
435 | cnt = 1 << mem->arr[i].order; | |
436 | while (sz && cnt) { | |
437 | addr = base + PAGE_SIZE * --cnt; | |
438 | if (last_addr && last_addr + PAGE_SIZE == addr) | |
439 | continue; | |
440 | last_addr = addr; | |
441 | len = PAGE_SIZE; | |
c8c8c1bd AH |
442 | if (len > max_seg_sz) |
443 | len = max_seg_sz; | |
444 | if (len > sz) | |
64f7120d AH |
445 | len = sz; |
446 | if (sg) | |
447 | sg = sg_next(sg); | |
448 | else | |
449 | sg = sglist; | |
450 | if (!sg) | |
451 | return -EINVAL; | |
452 | sg_set_page(sg, virt_to_page(addr), len, 0); | |
453 | sz -= len; | |
454 | *sg_len += 1; | |
455 | } | |
c8c8c1bd AH |
456 | if (i == 0) |
457 | i = mem->cnt; | |
64f7120d AH |
458 | } |
459 | ||
460 | if (sg) | |
461 | sg_mark_end(sg); | |
462 | ||
463 | return 0; | |
464 | } | |
465 | ||
466 | /* | |
467 | * Calculate transfer rate in bytes per second. | |
468 | */ | |
469 | static unsigned int mmc_test_rate(uint64_t bytes, struct timespec *ts) | |
470 | { | |
471 | uint64_t ns; | |
472 | ||
473 | ns = ts->tv_sec; | |
474 | ns *= 1000000000; | |
475 | ns += ts->tv_nsec; | |
476 | ||
477 | bytes *= 1000000000; | |
478 | ||
479 | while (ns > UINT_MAX) { | |
480 | bytes >>= 1; | |
481 | ns >>= 1; | |
482 | } | |
483 | ||
484 | if (!ns) | |
485 | return 0; | |
486 | ||
487 | do_div(bytes, (uint32_t)ns); | |
488 | ||
489 | return bytes; | |
490 | } | |
491 | ||
3183aa15 AS |
492 | /* |
493 | * Save transfer results for future usage | |
494 | */ | |
495 | static void mmc_test_save_transfer_result(struct mmc_test_card *test, | |
496 | unsigned int count, unsigned int sectors, struct timespec ts, | |
497 | unsigned int rate) | |
498 | { | |
499 | struct mmc_test_transfer_result *tr; | |
500 | ||
501 | if (!test->gr) | |
502 | return; | |
503 | ||
504 | tr = kmalloc(sizeof(struct mmc_test_transfer_result), GFP_KERNEL); | |
505 | if (!tr) | |
506 | return; | |
507 | ||
508 | tr->count = count; | |
509 | tr->sectors = sectors; | |
510 | tr->ts = ts; | |
511 | tr->rate = rate; | |
512 | ||
513 | list_add_tail(&tr->link, &test->gr->tr_lst); | |
514 | } | |
515 | ||
64f7120d AH |
516 | /* |
517 | * Print the transfer rate. | |
518 | */ | |
519 | static void mmc_test_print_rate(struct mmc_test_card *test, uint64_t bytes, | |
520 | struct timespec *ts1, struct timespec *ts2) | |
521 | { | |
522 | unsigned int rate, sectors = bytes >> 9; | |
523 | struct timespec ts; | |
524 | ||
525 | ts = timespec_sub(*ts2, *ts1); | |
526 | ||
527 | rate = mmc_test_rate(bytes, &ts); | |
528 | ||
529 | printk(KERN_INFO "%s: Transfer of %u sectors (%u%s KiB) took %lu.%09lu " | |
530 | "seconds (%u kB/s, %u KiB/s)\n", | |
531 | mmc_hostname(test->card->host), sectors, sectors >> 1, | |
c27d37ae | 532 | (sectors & 1 ? ".5" : ""), (unsigned long)ts.tv_sec, |
64f7120d | 533 | (unsigned long)ts.tv_nsec, rate / 1000, rate / 1024); |
3183aa15 AS |
534 | |
535 | mmc_test_save_transfer_result(test, 1, sectors, ts, rate); | |
64f7120d AH |
536 | } |
537 | ||
538 | /* | |
539 | * Print the average transfer rate. | |
540 | */ | |
541 | static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, | |
542 | unsigned int count, struct timespec *ts1, | |
543 | struct timespec *ts2) | |
544 | { | |
545 | unsigned int rate, sectors = bytes >> 9; | |
546 | uint64_t tot = bytes * count; | |
547 | struct timespec ts; | |
548 | ||
549 | ts = timespec_sub(*ts2, *ts1); | |
550 | ||
551 | rate = mmc_test_rate(tot, &ts); | |
552 | ||
553 | printk(KERN_INFO "%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " | |
554 | "%lu.%09lu seconds (%u kB/s, %u KiB/s)\n", | |
555 | mmc_hostname(test->card->host), count, sectors, count, | |
c27d37ae | 556 | sectors >> 1, (sectors & 1 ? ".5" : ""), |
64f7120d AH |
557 | (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, |
558 | rate / 1000, rate / 1024); | |
3183aa15 AS |
559 | |
560 | mmc_test_save_transfer_result(test, count, sectors, ts, rate); | |
64f7120d AH |
561 | } |
562 | ||
563 | /* | |
564 | * Return the card size in sectors. | |
565 | */ | |
566 | static unsigned int mmc_test_capacity(struct mmc_card *card) | |
567 | { | |
568 | if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) | |
569 | return card->ext_csd.sectors; | |
570 | else | |
571 | return card->csd.capacity << (card->csd.read_blkbits - 9); | |
572 | } | |
573 | ||
6b174931 PO |
574 | /*******************************************************************/ |
575 | /* Test preparation and cleanup */ | |
576 | /*******************************************************************/ | |
577 | ||
578 | /* | |
579 | * Fill the first couple of sectors of the card with known data | |
580 | * so that bad reads/writes can be detected | |
581 | */ | |
582 | static int __mmc_test_prepare(struct mmc_test_card *test, int write) | |
88ae600d PO |
583 | { |
584 | int ret, i; | |
585 | ||
586 | ret = mmc_test_set_blksize(test, 512); | |
587 | if (ret) | |
588 | return ret; | |
589 | ||
590 | if (write) | |
6b174931 | 591 | memset(test->buffer, 0xDF, 512); |
88ae600d | 592 | else { |
6b174931 | 593 | for (i = 0;i < 512;i++) |
88ae600d PO |
594 | test->buffer[i] = i; |
595 | } | |
596 | ||
597 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 598 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
88ae600d PO |
599 | if (ret) |
600 | return ret; | |
601 | } | |
602 | ||
603 | return 0; | |
604 | } | |
605 | ||
6b174931 PO |
606 | static int mmc_test_prepare_write(struct mmc_test_card *test) |
607 | { | |
608 | return __mmc_test_prepare(test, 1); | |
609 | } | |
610 | ||
611 | static int mmc_test_prepare_read(struct mmc_test_card *test) | |
612 | { | |
613 | return __mmc_test_prepare(test, 0); | |
614 | } | |
615 | ||
616 | static int mmc_test_cleanup(struct mmc_test_card *test) | |
617 | { | |
618 | int ret, i; | |
619 | ||
620 | ret = mmc_test_set_blksize(test, 512); | |
621 | if (ret) | |
622 | return ret; | |
623 | ||
624 | memset(test->buffer, 0, 512); | |
625 | ||
626 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 627 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
6b174931 PO |
628 | if (ret) |
629 | return ret; | |
630 | } | |
631 | ||
632 | return 0; | |
633 | } | |
634 | ||
635 | /*******************************************************************/ | |
636 | /* Test execution helpers */ | |
637 | /*******************************************************************/ | |
638 | ||
639 | /* | |
640 | * Modifies the mmc_request to perform the "short transfer" tests | |
641 | */ | |
642 | static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, | |
643 | struct mmc_request *mrq, int write) | |
644 | { | |
645 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
646 | ||
647 | if (mrq->data->blocks > 1) { | |
648 | mrq->cmd->opcode = write ? | |
649 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
650 | mrq->stop = NULL; | |
651 | } else { | |
652 | mrq->cmd->opcode = MMC_SEND_STATUS; | |
653 | mrq->cmd->arg = test->card->rca << 16; | |
654 | } | |
655 | } | |
656 | ||
657 | /* | |
658 | * Checks that a normal transfer didn't have any errors | |
659 | */ | |
660 | static int mmc_test_check_result(struct mmc_test_card *test, | |
661 | struct mmc_request *mrq) | |
88ae600d | 662 | { |
6b174931 PO |
663 | int ret; |
664 | ||
665 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
666 | ||
667 | ret = 0; | |
668 | ||
669 | if (!ret && mrq->cmd->error) | |
670 | ret = mrq->cmd->error; | |
671 | if (!ret && mrq->data->error) | |
672 | ret = mrq->data->error; | |
673 | if (!ret && mrq->stop && mrq->stop->error) | |
674 | ret = mrq->stop->error; | |
675 | if (!ret && mrq->data->bytes_xfered != | |
676 | mrq->data->blocks * mrq->data->blksz) | |
677 | ret = RESULT_FAIL; | |
678 | ||
679 | if (ret == -EINVAL) | |
680 | ret = RESULT_UNSUP_HOST; | |
681 | ||
682 | return ret; | |
88ae600d PO |
683 | } |
684 | ||
6b174931 PO |
685 | /* |
686 | * Checks that a "short transfer" behaved as expected | |
687 | */ | |
688 | static int mmc_test_check_broken_result(struct mmc_test_card *test, | |
689 | struct mmc_request *mrq) | |
88ae600d | 690 | { |
6b174931 PO |
691 | int ret; |
692 | ||
693 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
694 | ||
695 | ret = 0; | |
696 | ||
697 | if (!ret && mrq->cmd->error) | |
698 | ret = mrq->cmd->error; | |
699 | if (!ret && mrq->data->error == 0) | |
700 | ret = RESULT_FAIL; | |
701 | if (!ret && mrq->data->error != -ETIMEDOUT) | |
702 | ret = mrq->data->error; | |
703 | if (!ret && mrq->stop && mrq->stop->error) | |
704 | ret = mrq->stop->error; | |
705 | if (mrq->data->blocks > 1) { | |
706 | if (!ret && mrq->data->bytes_xfered > mrq->data->blksz) | |
707 | ret = RESULT_FAIL; | |
708 | } else { | |
709 | if (!ret && mrq->data->bytes_xfered > 0) | |
710 | ret = RESULT_FAIL; | |
711 | } | |
712 | ||
713 | if (ret == -EINVAL) | |
714 | ret = RESULT_UNSUP_HOST; | |
715 | ||
716 | return ret; | |
88ae600d PO |
717 | } |
718 | ||
6b174931 PO |
719 | /* |
720 | * Tests a basic transfer with certain parameters | |
721 | */ | |
722 | static int mmc_test_simple_transfer(struct mmc_test_card *test, | |
723 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
724 | unsigned blocks, unsigned blksz, int write) | |
88ae600d | 725 | { |
6b174931 PO |
726 | struct mmc_request mrq; |
727 | struct mmc_command cmd; | |
728 | struct mmc_command stop; | |
729 | struct mmc_data data; | |
88ae600d | 730 | |
6b174931 PO |
731 | memset(&mrq, 0, sizeof(struct mmc_request)); |
732 | memset(&cmd, 0, sizeof(struct mmc_command)); | |
733 | memset(&data, 0, sizeof(struct mmc_data)); | |
734 | memset(&stop, 0, sizeof(struct mmc_command)); | |
735 | ||
736 | mrq.cmd = &cmd; | |
737 | mrq.data = &data; | |
738 | mrq.stop = &stop; | |
739 | ||
740 | mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr, | |
741 | blocks, blksz, write); | |
742 | ||
743 | mmc_wait_for_req(test->card->host, &mrq); | |
88ae600d | 744 | |
6b174931 PO |
745 | mmc_test_wait_busy(test); |
746 | ||
747 | return mmc_test_check_result(test, &mrq); | |
748 | } | |
749 | ||
750 | /* | |
751 | * Tests a transfer where the card will fail completely or partly | |
752 | */ | |
753 | static int mmc_test_broken_transfer(struct mmc_test_card *test, | |
754 | unsigned blocks, unsigned blksz, int write) | |
755 | { | |
756 | struct mmc_request mrq; | |
757 | struct mmc_command cmd; | |
758 | struct mmc_command stop; | |
759 | struct mmc_data data; | |
760 | ||
761 | struct scatterlist sg; | |
762 | ||
763 | memset(&mrq, 0, sizeof(struct mmc_request)); | |
764 | memset(&cmd, 0, sizeof(struct mmc_command)); | |
765 | memset(&data, 0, sizeof(struct mmc_data)); | |
766 | memset(&stop, 0, sizeof(struct mmc_command)); | |
767 | ||
768 | mrq.cmd = &cmd; | |
769 | mrq.data = &data; | |
770 | mrq.stop = &stop; | |
771 | ||
772 | sg_init_one(&sg, test->buffer, blocks * blksz); | |
773 | ||
774 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write); | |
775 | mmc_test_prepare_broken_mrq(test, &mrq, write); | |
776 | ||
777 | mmc_wait_for_req(test->card->host, &mrq); | |
778 | ||
779 | mmc_test_wait_busy(test); | |
780 | ||
781 | return mmc_test_check_broken_result(test, &mrq); | |
782 | } | |
783 | ||
784 | /* | |
785 | * Does a complete transfer test where data is also validated | |
786 | * | |
787 | * Note: mmc_test_prepare() must have been done before this call | |
788 | */ | |
789 | static int mmc_test_transfer(struct mmc_test_card *test, | |
790 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
791 | unsigned blocks, unsigned blksz, int write) | |
792 | { | |
793 | int ret, i; | |
794 | unsigned long flags; | |
88ae600d PO |
795 | |
796 | if (write) { | |
797 | for (i = 0;i < blocks * blksz;i++) | |
6b174931 PO |
798 | test->scratch[i] = i; |
799 | } else { | |
b7ac2cf1 | 800 | memset(test->scratch, 0, BUFFER_SIZE); |
88ae600d | 801 | } |
6b174931 | 802 | local_irq_save(flags); |
b7ac2cf1 | 803 | sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 804 | local_irq_restore(flags); |
88ae600d PO |
805 | |
806 | ret = mmc_test_set_blksize(test, blksz); | |
807 | if (ret) | |
808 | return ret; | |
809 | ||
6b174931 PO |
810 | ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr, |
811 | blocks, blksz, write); | |
88ae600d PO |
812 | if (ret) |
813 | return ret; | |
814 | ||
815 | if (write) { | |
6b174931 PO |
816 | int sectors; |
817 | ||
88ae600d PO |
818 | ret = mmc_test_set_blksize(test, 512); |
819 | if (ret) | |
820 | return ret; | |
821 | ||
822 | sectors = (blocks * blksz + 511) / 512; | |
823 | if ((sectors * 512) == (blocks * blksz)) | |
824 | sectors++; | |
825 | ||
826 | if ((sectors * 512) > BUFFER_SIZE) | |
827 | return -EINVAL; | |
828 | ||
829 | memset(test->buffer, 0, sectors * 512); | |
830 | ||
831 | for (i = 0;i < sectors;i++) { | |
6b174931 | 832 | ret = mmc_test_buffer_transfer(test, |
88ae600d | 833 | test->buffer + i * 512, |
c286d03c | 834 | dev_addr + i, 512, 0); |
88ae600d PO |
835 | if (ret) |
836 | return ret; | |
837 | } | |
838 | ||
839 | for (i = 0;i < blocks * blksz;i++) { | |
840 | if (test->buffer[i] != (u8)i) | |
841 | return RESULT_FAIL; | |
842 | } | |
843 | ||
844 | for (;i < sectors * 512;i++) { | |
845 | if (test->buffer[i] != 0xDF) | |
846 | return RESULT_FAIL; | |
847 | } | |
848 | } else { | |
6b174931 | 849 | local_irq_save(flags); |
b7ac2cf1 | 850 | sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 851 | local_irq_restore(flags); |
88ae600d | 852 | for (i = 0;i < blocks * blksz;i++) { |
6b174931 | 853 | if (test->scratch[i] != (u8)i) |
88ae600d PO |
854 | return RESULT_FAIL; |
855 | } | |
856 | } | |
857 | ||
858 | return 0; | |
859 | } | |
860 | ||
88ae600d PO |
861 | /*******************************************************************/ |
862 | /* Tests */ | |
863 | /*******************************************************************/ | |
864 | ||
865 | struct mmc_test_case { | |
866 | const char *name; | |
867 | ||
868 | int (*prepare)(struct mmc_test_card *); | |
869 | int (*run)(struct mmc_test_card *); | |
870 | int (*cleanup)(struct mmc_test_card *); | |
871 | }; | |
872 | ||
873 | static int mmc_test_basic_write(struct mmc_test_card *test) | |
874 | { | |
875 | int ret; | |
6b174931 | 876 | struct scatterlist sg; |
88ae600d PO |
877 | |
878 | ret = mmc_test_set_blksize(test, 512); | |
879 | if (ret) | |
880 | return ret; | |
881 | ||
6b174931 PO |
882 | sg_init_one(&sg, test->buffer, 512); |
883 | ||
884 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
885 | if (ret) |
886 | return ret; | |
887 | ||
888 | return 0; | |
889 | } | |
890 | ||
891 | static int mmc_test_basic_read(struct mmc_test_card *test) | |
892 | { | |
893 | int ret; | |
6b174931 | 894 | struct scatterlist sg; |
88ae600d PO |
895 | |
896 | ret = mmc_test_set_blksize(test, 512); | |
897 | if (ret) | |
898 | return ret; | |
899 | ||
6b174931 PO |
900 | sg_init_one(&sg, test->buffer, 512); |
901 | ||
58a5dd3e | 902 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
903 | if (ret) |
904 | return ret; | |
905 | ||
906 | return 0; | |
907 | } | |
908 | ||
909 | static int mmc_test_verify_write(struct mmc_test_card *test) | |
910 | { | |
911 | int ret; | |
6b174931 PO |
912 | struct scatterlist sg; |
913 | ||
914 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 915 | |
6b174931 | 916 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
88ae600d PO |
917 | if (ret) |
918 | return ret; | |
919 | ||
920 | return 0; | |
921 | } | |
922 | ||
923 | static int mmc_test_verify_read(struct mmc_test_card *test) | |
924 | { | |
925 | int ret; | |
6b174931 PO |
926 | struct scatterlist sg; |
927 | ||
928 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 929 | |
6b174931 | 930 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
931 | if (ret) |
932 | return ret; | |
933 | ||
934 | return 0; | |
935 | } | |
936 | ||
937 | static int mmc_test_multi_write(struct mmc_test_card *test) | |
938 | { | |
939 | int ret; | |
940 | unsigned int size; | |
6b174931 | 941 | struct scatterlist sg; |
88ae600d PO |
942 | |
943 | if (test->card->host->max_blk_count == 1) | |
944 | return RESULT_UNSUP_HOST; | |
945 | ||
946 | size = PAGE_SIZE * 2; | |
947 | size = min(size, test->card->host->max_req_size); | |
948 | size = min(size, test->card->host->max_seg_size); | |
949 | size = min(size, test->card->host->max_blk_count * 512); | |
950 | ||
951 | if (size < 1024) | |
952 | return RESULT_UNSUP_HOST; | |
953 | ||
6b174931 PO |
954 | sg_init_one(&sg, test->buffer, size); |
955 | ||
956 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
957 | if (ret) |
958 | return ret; | |
959 | ||
960 | return 0; | |
961 | } | |
962 | ||
963 | static int mmc_test_multi_read(struct mmc_test_card *test) | |
964 | { | |
965 | int ret; | |
966 | unsigned int size; | |
6b174931 | 967 | struct scatterlist sg; |
88ae600d PO |
968 | |
969 | if (test->card->host->max_blk_count == 1) | |
970 | return RESULT_UNSUP_HOST; | |
971 | ||
972 | size = PAGE_SIZE * 2; | |
973 | size = min(size, test->card->host->max_req_size); | |
974 | size = min(size, test->card->host->max_seg_size); | |
975 | size = min(size, test->card->host->max_blk_count * 512); | |
976 | ||
977 | if (size < 1024) | |
978 | return RESULT_UNSUP_HOST; | |
979 | ||
6b174931 PO |
980 | sg_init_one(&sg, test->buffer, size); |
981 | ||
982 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
983 | if (ret) |
984 | return ret; | |
985 | ||
986 | return 0; | |
987 | } | |
988 | ||
989 | static int mmc_test_pow2_write(struct mmc_test_card *test) | |
990 | { | |
991 | int ret, i; | |
6b174931 | 992 | struct scatterlist sg; |
88ae600d PO |
993 | |
994 | if (!test->card->csd.write_partial) | |
995 | return RESULT_UNSUP_CARD; | |
996 | ||
997 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
998 | sg_init_one(&sg, test->buffer, i); |
999 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1000 | if (ret) |
1001 | return ret; | |
1002 | } | |
1003 | ||
1004 | return 0; | |
1005 | } | |
1006 | ||
1007 | static int mmc_test_pow2_read(struct mmc_test_card *test) | |
1008 | { | |
1009 | int ret, i; | |
6b174931 | 1010 | struct scatterlist sg; |
88ae600d PO |
1011 | |
1012 | if (!test->card->csd.read_partial) | |
1013 | return RESULT_UNSUP_CARD; | |
1014 | ||
1015 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1016 | sg_init_one(&sg, test->buffer, i); |
1017 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1018 | if (ret) |
1019 | return ret; | |
1020 | } | |
1021 | ||
1022 | return 0; | |
1023 | } | |
1024 | ||
1025 | static int mmc_test_weird_write(struct mmc_test_card *test) | |
1026 | { | |
1027 | int ret, i; | |
6b174931 | 1028 | struct scatterlist sg; |
88ae600d PO |
1029 | |
1030 | if (!test->card->csd.write_partial) | |
1031 | return RESULT_UNSUP_CARD; | |
1032 | ||
1033 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1034 | sg_init_one(&sg, test->buffer, i); |
1035 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1036 | if (ret) |
1037 | return ret; | |
1038 | } | |
1039 | ||
1040 | return 0; | |
1041 | } | |
1042 | ||
1043 | static int mmc_test_weird_read(struct mmc_test_card *test) | |
1044 | { | |
1045 | int ret, i; | |
6b174931 | 1046 | struct scatterlist sg; |
88ae600d PO |
1047 | |
1048 | if (!test->card->csd.read_partial) | |
1049 | return RESULT_UNSUP_CARD; | |
1050 | ||
1051 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1052 | sg_init_one(&sg, test->buffer, i); |
1053 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1054 | if (ret) |
1055 | return ret; | |
1056 | } | |
1057 | ||
1058 | return 0; | |
1059 | } | |
1060 | ||
1061 | static int mmc_test_align_write(struct mmc_test_card *test) | |
1062 | { | |
1063 | int ret, i; | |
6b174931 | 1064 | struct scatterlist sg; |
88ae600d PO |
1065 | |
1066 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1067 | sg_init_one(&sg, test->buffer + i, 512); |
1068 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
1069 | if (ret) |
1070 | return ret; | |
1071 | } | |
1072 | ||
1073 | return 0; | |
1074 | } | |
1075 | ||
1076 | static int mmc_test_align_read(struct mmc_test_card *test) | |
1077 | { | |
1078 | int ret, i; | |
6b174931 | 1079 | struct scatterlist sg; |
88ae600d PO |
1080 | |
1081 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1082 | sg_init_one(&sg, test->buffer + i, 512); |
1083 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
88ae600d PO |
1084 | if (ret) |
1085 | return ret; | |
1086 | } | |
1087 | ||
1088 | return 0; | |
1089 | } | |
1090 | ||
1091 | static int mmc_test_align_multi_write(struct mmc_test_card *test) | |
1092 | { | |
1093 | int ret, i; | |
1094 | unsigned int size; | |
6b174931 | 1095 | struct scatterlist sg; |
88ae600d PO |
1096 | |
1097 | if (test->card->host->max_blk_count == 1) | |
1098 | return RESULT_UNSUP_HOST; | |
1099 | ||
1100 | size = PAGE_SIZE * 2; | |
1101 | size = min(size, test->card->host->max_req_size); | |
1102 | size = min(size, test->card->host->max_seg_size); | |
1103 | size = min(size, test->card->host->max_blk_count * 512); | |
1104 | ||
1105 | if (size < 1024) | |
1106 | return RESULT_UNSUP_HOST; | |
1107 | ||
1108 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1109 | sg_init_one(&sg, test->buffer + i, size); |
1110 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1111 | if (ret) |
1112 | return ret; | |
1113 | } | |
1114 | ||
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | static int mmc_test_align_multi_read(struct mmc_test_card *test) | |
1119 | { | |
1120 | int ret, i; | |
1121 | unsigned int size; | |
6b174931 | 1122 | struct scatterlist sg; |
88ae600d PO |
1123 | |
1124 | if (test->card->host->max_blk_count == 1) | |
1125 | return RESULT_UNSUP_HOST; | |
1126 | ||
1127 | size = PAGE_SIZE * 2; | |
1128 | size = min(size, test->card->host->max_req_size); | |
1129 | size = min(size, test->card->host->max_seg_size); | |
1130 | size = min(size, test->card->host->max_blk_count * 512); | |
1131 | ||
1132 | if (size < 1024) | |
1133 | return RESULT_UNSUP_HOST; | |
1134 | ||
1135 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1136 | sg_init_one(&sg, test->buffer + i, size); |
1137 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1138 | if (ret) |
1139 | return ret; | |
1140 | } | |
1141 | ||
1142 | return 0; | |
1143 | } | |
1144 | ||
1145 | static int mmc_test_xfersize_write(struct mmc_test_card *test) | |
1146 | { | |
1147 | int ret; | |
1148 | ||
1149 | ret = mmc_test_set_blksize(test, 512); | |
1150 | if (ret) | |
1151 | return ret; | |
1152 | ||
6b174931 | 1153 | ret = mmc_test_broken_transfer(test, 1, 512, 1); |
88ae600d PO |
1154 | if (ret) |
1155 | return ret; | |
1156 | ||
1157 | return 0; | |
1158 | } | |
1159 | ||
1160 | static int mmc_test_xfersize_read(struct mmc_test_card *test) | |
1161 | { | |
1162 | int ret; | |
1163 | ||
1164 | ret = mmc_test_set_blksize(test, 512); | |
1165 | if (ret) | |
1166 | return ret; | |
1167 | ||
6b174931 | 1168 | ret = mmc_test_broken_transfer(test, 1, 512, 0); |
88ae600d PO |
1169 | if (ret) |
1170 | return ret; | |
1171 | ||
1172 | return 0; | |
1173 | } | |
1174 | ||
1175 | static int mmc_test_multi_xfersize_write(struct mmc_test_card *test) | |
1176 | { | |
1177 | int ret; | |
1178 | ||
1179 | if (test->card->host->max_blk_count == 1) | |
1180 | return RESULT_UNSUP_HOST; | |
1181 | ||
1182 | ret = mmc_test_set_blksize(test, 512); | |
1183 | if (ret) | |
1184 | return ret; | |
1185 | ||
6b174931 | 1186 | ret = mmc_test_broken_transfer(test, 2, 512, 1); |
88ae600d PO |
1187 | if (ret) |
1188 | return ret; | |
1189 | ||
1190 | return 0; | |
1191 | } | |
1192 | ||
1193 | static int mmc_test_multi_xfersize_read(struct mmc_test_card *test) | |
1194 | { | |
1195 | int ret; | |
1196 | ||
1197 | if (test->card->host->max_blk_count == 1) | |
1198 | return RESULT_UNSUP_HOST; | |
1199 | ||
1200 | ret = mmc_test_set_blksize(test, 512); | |
1201 | if (ret) | |
1202 | return ret; | |
1203 | ||
6b174931 | 1204 | ret = mmc_test_broken_transfer(test, 2, 512, 0); |
88ae600d PO |
1205 | if (ret) |
1206 | return ret; | |
1207 | ||
1208 | return 0; | |
1209 | } | |
1210 | ||
2661081f PO |
1211 | #ifdef CONFIG_HIGHMEM |
1212 | ||
1213 | static int mmc_test_write_high(struct mmc_test_card *test) | |
1214 | { | |
1215 | int ret; | |
1216 | struct scatterlist sg; | |
1217 | ||
1218 | sg_init_table(&sg, 1); | |
1219 | sg_set_page(&sg, test->highmem, 512, 0); | |
1220 | ||
1221 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
1222 | if (ret) | |
1223 | return ret; | |
1224 | ||
1225 | return 0; | |
1226 | } | |
1227 | ||
1228 | static int mmc_test_read_high(struct mmc_test_card *test) | |
1229 | { | |
1230 | int ret; | |
1231 | struct scatterlist sg; | |
1232 | ||
1233 | sg_init_table(&sg, 1); | |
1234 | sg_set_page(&sg, test->highmem, 512, 0); | |
1235 | ||
1236 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
1237 | if (ret) | |
1238 | return ret; | |
1239 | ||
1240 | return 0; | |
1241 | } | |
1242 | ||
1243 | static int mmc_test_multi_write_high(struct mmc_test_card *test) | |
1244 | { | |
1245 | int ret; | |
1246 | unsigned int size; | |
1247 | struct scatterlist sg; | |
1248 | ||
1249 | if (test->card->host->max_blk_count == 1) | |
1250 | return RESULT_UNSUP_HOST; | |
1251 | ||
1252 | size = PAGE_SIZE * 2; | |
1253 | size = min(size, test->card->host->max_req_size); | |
1254 | size = min(size, test->card->host->max_seg_size); | |
1255 | size = min(size, test->card->host->max_blk_count * 512); | |
1256 | ||
1257 | if (size < 1024) | |
1258 | return RESULT_UNSUP_HOST; | |
1259 | ||
1260 | sg_init_table(&sg, 1); | |
1261 | sg_set_page(&sg, test->highmem, size, 0); | |
1262 | ||
1263 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
1264 | if (ret) | |
1265 | return ret; | |
1266 | ||
1267 | return 0; | |
1268 | } | |
1269 | ||
1270 | static int mmc_test_multi_read_high(struct mmc_test_card *test) | |
1271 | { | |
1272 | int ret; | |
1273 | unsigned int size; | |
1274 | struct scatterlist sg; | |
1275 | ||
1276 | if (test->card->host->max_blk_count == 1) | |
1277 | return RESULT_UNSUP_HOST; | |
1278 | ||
1279 | size = PAGE_SIZE * 2; | |
1280 | size = min(size, test->card->host->max_req_size); | |
1281 | size = min(size, test->card->host->max_seg_size); | |
1282 | size = min(size, test->card->host->max_blk_count * 512); | |
1283 | ||
1284 | if (size < 1024) | |
1285 | return RESULT_UNSUP_HOST; | |
1286 | ||
1287 | sg_init_table(&sg, 1); | |
1288 | sg_set_page(&sg, test->highmem, size, 0); | |
1289 | ||
1290 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
1291 | if (ret) | |
1292 | return ret; | |
1293 | ||
1294 | return 0; | |
1295 | } | |
1296 | ||
64f7120d AH |
1297 | #else |
1298 | ||
1299 | static int mmc_test_no_highmem(struct mmc_test_card *test) | |
1300 | { | |
1301 | printk(KERN_INFO "%s: Highmem not configured - test skipped\n", | |
1302 | mmc_hostname(test->card->host)); | |
1303 | return 0; | |
1304 | } | |
1305 | ||
2661081f PO |
1306 | #endif /* CONFIG_HIGHMEM */ |
1307 | ||
64f7120d AH |
1308 | /* |
1309 | * Map sz bytes so that it can be transferred. | |
1310 | */ | |
fec4dcce | 1311 | static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, |
64f7120d AH |
1312 | int max_scatter) |
1313 | { | |
1314 | struct mmc_test_area *t = &test->area; | |
c8c8c1bd | 1315 | int err; |
64f7120d AH |
1316 | |
1317 | t->blocks = sz >> 9; | |
1318 | ||
1319 | if (max_scatter) { | |
c8c8c1bd AH |
1320 | err = mmc_test_map_sg_max_scatter(t->mem, sz, t->sg, |
1321 | t->max_segs, t->max_seg_sz, | |
64f7120d | 1322 | &t->sg_len); |
c8c8c1bd AH |
1323 | } else { |
1324 | err = mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, | |
1325 | t->max_seg_sz, &t->sg_len); | |
64f7120d | 1326 | } |
c8c8c1bd AH |
1327 | if (err) |
1328 | printk(KERN_INFO "%s: Failed to map sg list\n", | |
1329 | mmc_hostname(test->card->host)); | |
1330 | return err; | |
64f7120d AH |
1331 | } |
1332 | ||
1333 | /* | |
1334 | * Transfer bytes mapped by mmc_test_area_map(). | |
1335 | */ | |
1336 | static int mmc_test_area_transfer(struct mmc_test_card *test, | |
1337 | unsigned int dev_addr, int write) | |
1338 | { | |
1339 | struct mmc_test_area *t = &test->area; | |
1340 | ||
1341 | return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr, | |
1342 | t->blocks, 512, write); | |
1343 | } | |
1344 | ||
1345 | /* | |
1346 | * Map and transfer bytes. | |
1347 | */ | |
fec4dcce | 1348 | static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, |
64f7120d AH |
1349 | unsigned int dev_addr, int write, int max_scatter, |
1350 | int timed) | |
1351 | { | |
1352 | struct timespec ts1, ts2; | |
1353 | int ret; | |
1354 | ||
c8c8c1bd AH |
1355 | /* |
1356 | * In the case of a maximally scattered transfer, the maximum transfer | |
1357 | * size is further limited by using PAGE_SIZE segments. | |
1358 | */ | |
1359 | if (max_scatter) { | |
1360 | struct mmc_test_area *t = &test->area; | |
1361 | unsigned long max_tfr; | |
1362 | ||
1363 | if (t->max_seg_sz >= PAGE_SIZE) | |
1364 | max_tfr = t->max_segs * PAGE_SIZE; | |
1365 | else | |
1366 | max_tfr = t->max_segs * t->max_seg_sz; | |
1367 | if (sz > max_tfr) | |
1368 | sz = max_tfr; | |
1369 | } | |
1370 | ||
64f7120d AH |
1371 | ret = mmc_test_area_map(test, sz, max_scatter); |
1372 | if (ret) | |
1373 | return ret; | |
1374 | ||
1375 | if (timed) | |
1376 | getnstimeofday(&ts1); | |
1377 | ||
1378 | ret = mmc_test_area_transfer(test, dev_addr, write); | |
1379 | if (ret) | |
1380 | return ret; | |
1381 | ||
1382 | if (timed) | |
1383 | getnstimeofday(&ts2); | |
1384 | ||
1385 | if (timed) | |
1386 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1387 | ||
1388 | return 0; | |
1389 | } | |
1390 | ||
1391 | /* | |
1392 | * Write the test area entirely. | |
1393 | */ | |
1394 | static int mmc_test_area_fill(struct mmc_test_card *test) | |
1395 | { | |
c8c8c1bd | 1396 | return mmc_test_area_io(test, test->area.max_tfr, test->area.dev_addr, |
64f7120d AH |
1397 | 1, 0, 0); |
1398 | } | |
1399 | ||
1400 | /* | |
1401 | * Erase the test area entirely. | |
1402 | */ | |
1403 | static int mmc_test_area_erase(struct mmc_test_card *test) | |
1404 | { | |
1405 | struct mmc_test_area *t = &test->area; | |
1406 | ||
1407 | if (!mmc_can_erase(test->card)) | |
1408 | return 0; | |
1409 | ||
1410 | return mmc_erase(test->card, t->dev_addr, test->area.max_sz >> 9, | |
1411 | MMC_ERASE_ARG); | |
1412 | } | |
1413 | ||
1414 | /* | |
1415 | * Cleanup struct mmc_test_area. | |
1416 | */ | |
1417 | static int mmc_test_area_cleanup(struct mmc_test_card *test) | |
1418 | { | |
1419 | struct mmc_test_area *t = &test->area; | |
1420 | ||
1421 | kfree(t->sg); | |
1422 | mmc_test_free_mem(t->mem); | |
1423 | ||
1424 | return 0; | |
1425 | } | |
1426 | ||
1427 | /* | |
1428 | * Initialize an area for testing large transfers. The size of the area is the | |
1429 | * preferred erase size which is a good size for optimal transfer speed. Note | |
1430 | * that is typically 4MiB for modern cards. The test area is set to the middle | |
1431 | * of the card because cards may have different charateristics at the front | |
1432 | * (for FAT file system optimization). Optionally, the area is erased (if the | |
1433 | * card supports it) which may improve write performance. Optionally, the area | |
1434 | * is filled with data for subsequent read tests. | |
1435 | */ | |
1436 | static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill) | |
1437 | { | |
1438 | struct mmc_test_area *t = &test->area; | |
fec4dcce | 1439 | unsigned long min_sz = 64 * 1024; |
64f7120d AH |
1440 | int ret; |
1441 | ||
1442 | ret = mmc_test_set_blksize(test, 512); | |
1443 | if (ret) | |
1444 | return ret; | |
1445 | ||
fec4dcce AH |
1446 | if (test->card->pref_erase > TEST_AREA_MAX_SIZE >> 9) |
1447 | t->max_sz = TEST_AREA_MAX_SIZE; | |
1448 | else | |
1449 | t->max_sz = (unsigned long)test->card->pref_erase << 9; | |
c8c8c1bd AH |
1450 | |
1451 | t->max_segs = test->card->host->max_segs; | |
1452 | t->max_seg_sz = test->card->host->max_seg_size; | |
1453 | ||
1454 | t->max_tfr = t->max_sz; | |
1455 | if (t->max_tfr >> 9 > test->card->host->max_blk_count) | |
1456 | t->max_tfr = test->card->host->max_blk_count << 9; | |
1457 | if (t->max_tfr > test->card->host->max_req_size) | |
1458 | t->max_tfr = test->card->host->max_req_size; | |
1459 | if (t->max_tfr / t->max_seg_sz > t->max_segs) | |
1460 | t->max_tfr = t->max_segs * t->max_seg_sz; | |
1461 | ||
64f7120d | 1462 | /* |
3d203be8 | 1463 | * Try to allocate enough memory for a max. sized transfer. Less is OK |
64f7120d | 1464 | * because the same memory can be mapped into the scatterlist more than |
c8c8c1bd AH |
1465 | * once. Also, take into account the limits imposed on scatterlist |
1466 | * segments by the host driver. | |
64f7120d | 1467 | */ |
3d203be8 | 1468 | t->mem = mmc_test_alloc_mem(min_sz, t->max_tfr, t->max_segs, |
c8c8c1bd | 1469 | t->max_seg_sz); |
64f7120d AH |
1470 | if (!t->mem) |
1471 | return -ENOMEM; | |
1472 | ||
64f7120d AH |
1473 | t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL); |
1474 | if (!t->sg) { | |
1475 | ret = -ENOMEM; | |
1476 | goto out_free; | |
1477 | } | |
1478 | ||
1479 | t->dev_addr = mmc_test_capacity(test->card) / 2; | |
1480 | t->dev_addr -= t->dev_addr % (t->max_sz >> 9); | |
1481 | ||
1482 | if (erase) { | |
1483 | ret = mmc_test_area_erase(test); | |
1484 | if (ret) | |
1485 | goto out_free; | |
1486 | } | |
1487 | ||
1488 | if (fill) { | |
1489 | ret = mmc_test_area_fill(test); | |
1490 | if (ret) | |
1491 | goto out_free; | |
1492 | } | |
1493 | ||
1494 | return 0; | |
1495 | ||
1496 | out_free: | |
1497 | mmc_test_area_cleanup(test); | |
1498 | return ret; | |
1499 | } | |
1500 | ||
1501 | /* | |
1502 | * Prepare for large transfers. Do not erase the test area. | |
1503 | */ | |
1504 | static int mmc_test_area_prepare(struct mmc_test_card *test) | |
1505 | { | |
1506 | return mmc_test_area_init(test, 0, 0); | |
1507 | } | |
1508 | ||
1509 | /* | |
1510 | * Prepare for large transfers. Do erase the test area. | |
1511 | */ | |
1512 | static int mmc_test_area_prepare_erase(struct mmc_test_card *test) | |
1513 | { | |
1514 | return mmc_test_area_init(test, 1, 0); | |
1515 | } | |
1516 | ||
1517 | /* | |
1518 | * Prepare for large transfers. Erase and fill the test area. | |
1519 | */ | |
1520 | static int mmc_test_area_prepare_fill(struct mmc_test_card *test) | |
1521 | { | |
1522 | return mmc_test_area_init(test, 1, 1); | |
1523 | } | |
1524 | ||
1525 | /* | |
1526 | * Test best-case performance. Best-case performance is expected from | |
1527 | * a single large transfer. | |
1528 | * | |
1529 | * An additional option (max_scatter) allows the measurement of the same | |
1530 | * transfer but with no contiguous pages in the scatter list. This tests | |
1531 | * the efficiency of DMA to handle scattered pages. | |
1532 | */ | |
1533 | static int mmc_test_best_performance(struct mmc_test_card *test, int write, | |
1534 | int max_scatter) | |
1535 | { | |
c8c8c1bd | 1536 | return mmc_test_area_io(test, test->area.max_tfr, test->area.dev_addr, |
64f7120d AH |
1537 | write, max_scatter, 1); |
1538 | } | |
1539 | ||
1540 | /* | |
1541 | * Best-case read performance. | |
1542 | */ | |
1543 | static int mmc_test_best_read_performance(struct mmc_test_card *test) | |
1544 | { | |
1545 | return mmc_test_best_performance(test, 0, 0); | |
1546 | } | |
1547 | ||
1548 | /* | |
1549 | * Best-case write performance. | |
1550 | */ | |
1551 | static int mmc_test_best_write_performance(struct mmc_test_card *test) | |
1552 | { | |
1553 | return mmc_test_best_performance(test, 1, 0); | |
1554 | } | |
1555 | ||
1556 | /* | |
1557 | * Best-case read performance into scattered pages. | |
1558 | */ | |
1559 | static int mmc_test_best_read_perf_max_scatter(struct mmc_test_card *test) | |
1560 | { | |
1561 | return mmc_test_best_performance(test, 0, 1); | |
1562 | } | |
1563 | ||
1564 | /* | |
1565 | * Best-case write performance from scattered pages. | |
1566 | */ | |
1567 | static int mmc_test_best_write_perf_max_scatter(struct mmc_test_card *test) | |
1568 | { | |
1569 | return mmc_test_best_performance(test, 1, 1); | |
1570 | } | |
1571 | ||
1572 | /* | |
1573 | * Single read performance by transfer size. | |
1574 | */ | |
1575 | static int mmc_test_profile_read_perf(struct mmc_test_card *test) | |
1576 | { | |
fec4dcce AH |
1577 | unsigned long sz; |
1578 | unsigned int dev_addr; | |
64f7120d AH |
1579 | int ret; |
1580 | ||
c8c8c1bd | 1581 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
64f7120d AH |
1582 | dev_addr = test->area.dev_addr + (sz >> 9); |
1583 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); | |
1584 | if (ret) | |
1585 | return ret; | |
1586 | } | |
c8c8c1bd | 1587 | sz = test->area.max_tfr; |
64f7120d AH |
1588 | dev_addr = test->area.dev_addr; |
1589 | return mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); | |
1590 | } | |
1591 | ||
1592 | /* | |
1593 | * Single write performance by transfer size. | |
1594 | */ | |
1595 | static int mmc_test_profile_write_perf(struct mmc_test_card *test) | |
1596 | { | |
fec4dcce AH |
1597 | unsigned long sz; |
1598 | unsigned int dev_addr; | |
64f7120d AH |
1599 | int ret; |
1600 | ||
1601 | ret = mmc_test_area_erase(test); | |
1602 | if (ret) | |
1603 | return ret; | |
c8c8c1bd | 1604 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
64f7120d AH |
1605 | dev_addr = test->area.dev_addr + (sz >> 9); |
1606 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); | |
1607 | if (ret) | |
1608 | return ret; | |
1609 | } | |
1610 | ret = mmc_test_area_erase(test); | |
1611 | if (ret) | |
1612 | return ret; | |
c8c8c1bd | 1613 | sz = test->area.max_tfr; |
64f7120d AH |
1614 | dev_addr = test->area.dev_addr; |
1615 | return mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); | |
1616 | } | |
1617 | ||
1618 | /* | |
1619 | * Single trim performance by transfer size. | |
1620 | */ | |
1621 | static int mmc_test_profile_trim_perf(struct mmc_test_card *test) | |
1622 | { | |
fec4dcce AH |
1623 | unsigned long sz; |
1624 | unsigned int dev_addr; | |
64f7120d AH |
1625 | struct timespec ts1, ts2; |
1626 | int ret; | |
1627 | ||
1628 | if (!mmc_can_trim(test->card)) | |
1629 | return RESULT_UNSUP_CARD; | |
1630 | ||
1631 | if (!mmc_can_erase(test->card)) | |
1632 | return RESULT_UNSUP_HOST; | |
1633 | ||
1634 | for (sz = 512; sz < test->area.max_sz; sz <<= 1) { | |
1635 | dev_addr = test->area.dev_addr + (sz >> 9); | |
1636 | getnstimeofday(&ts1); | |
1637 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1638 | if (ret) | |
1639 | return ret; | |
1640 | getnstimeofday(&ts2); | |
1641 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1642 | } | |
1643 | dev_addr = test->area.dev_addr; | |
1644 | getnstimeofday(&ts1); | |
1645 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1646 | if (ret) | |
1647 | return ret; | |
1648 | getnstimeofday(&ts2); | |
1649 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1650 | return 0; | |
1651 | } | |
1652 | ||
c8c8c1bd AH |
1653 | static int mmc_test_seq_read_perf(struct mmc_test_card *test, unsigned long sz) |
1654 | { | |
1655 | unsigned int dev_addr, i, cnt; | |
1656 | struct timespec ts1, ts2; | |
1657 | int ret; | |
1658 | ||
1659 | cnt = test->area.max_sz / sz; | |
1660 | dev_addr = test->area.dev_addr; | |
1661 | getnstimeofday(&ts1); | |
1662 | for (i = 0; i < cnt; i++) { | |
1663 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 0); | |
1664 | if (ret) | |
1665 | return ret; | |
1666 | dev_addr += (sz >> 9); | |
1667 | } | |
1668 | getnstimeofday(&ts2); | |
1669 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1670 | return 0; | |
1671 | } | |
1672 | ||
64f7120d AH |
1673 | /* |
1674 | * Consecutive read performance by transfer size. | |
1675 | */ | |
1676 | static int mmc_test_profile_seq_read_perf(struct mmc_test_card *test) | |
1677 | { | |
fec4dcce | 1678 | unsigned long sz; |
c8c8c1bd AH |
1679 | int ret; |
1680 | ||
1681 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { | |
1682 | ret = mmc_test_seq_read_perf(test, sz); | |
1683 | if (ret) | |
1684 | return ret; | |
1685 | } | |
1686 | sz = test->area.max_tfr; | |
1687 | return mmc_test_seq_read_perf(test, sz); | |
1688 | } | |
1689 | ||
1690 | static int mmc_test_seq_write_perf(struct mmc_test_card *test, unsigned long sz) | |
1691 | { | |
fec4dcce | 1692 | unsigned int dev_addr, i, cnt; |
64f7120d AH |
1693 | struct timespec ts1, ts2; |
1694 | int ret; | |
1695 | ||
c8c8c1bd AH |
1696 | ret = mmc_test_area_erase(test); |
1697 | if (ret) | |
1698 | return ret; | |
1699 | cnt = test->area.max_sz / sz; | |
1700 | dev_addr = test->area.dev_addr; | |
1701 | getnstimeofday(&ts1); | |
1702 | for (i = 0; i < cnt; i++) { | |
1703 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 0); | |
1704 | if (ret) | |
1705 | return ret; | |
1706 | dev_addr += (sz >> 9); | |
64f7120d | 1707 | } |
c8c8c1bd AH |
1708 | getnstimeofday(&ts2); |
1709 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
64f7120d AH |
1710 | return 0; |
1711 | } | |
1712 | ||
1713 | /* | |
1714 | * Consecutive write performance by transfer size. | |
1715 | */ | |
1716 | static int mmc_test_profile_seq_write_perf(struct mmc_test_card *test) | |
1717 | { | |
fec4dcce | 1718 | unsigned long sz; |
64f7120d AH |
1719 | int ret; |
1720 | ||
c8c8c1bd AH |
1721 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
1722 | ret = mmc_test_seq_write_perf(test, sz); | |
64f7120d AH |
1723 | if (ret) |
1724 | return ret; | |
64f7120d | 1725 | } |
c8c8c1bd AH |
1726 | sz = test->area.max_tfr; |
1727 | return mmc_test_seq_write_perf(test, sz); | |
64f7120d AH |
1728 | } |
1729 | ||
1730 | /* | |
1731 | * Consecutive trim performance by transfer size. | |
1732 | */ | |
1733 | static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test) | |
1734 | { | |
fec4dcce AH |
1735 | unsigned long sz; |
1736 | unsigned int dev_addr, i, cnt; | |
64f7120d AH |
1737 | struct timespec ts1, ts2; |
1738 | int ret; | |
1739 | ||
1740 | if (!mmc_can_trim(test->card)) | |
1741 | return RESULT_UNSUP_CARD; | |
1742 | ||
1743 | if (!mmc_can_erase(test->card)) | |
1744 | return RESULT_UNSUP_HOST; | |
1745 | ||
1746 | for (sz = 512; sz <= test->area.max_sz; sz <<= 1) { | |
1747 | ret = mmc_test_area_erase(test); | |
1748 | if (ret) | |
1749 | return ret; | |
1750 | ret = mmc_test_area_fill(test); | |
1751 | if (ret) | |
1752 | return ret; | |
1753 | cnt = test->area.max_sz / sz; | |
1754 | dev_addr = test->area.dev_addr; | |
1755 | getnstimeofday(&ts1); | |
1756 | for (i = 0; i < cnt; i++) { | |
1757 | ret = mmc_erase(test->card, dev_addr, sz >> 9, | |
1758 | MMC_TRIM_ARG); | |
1759 | if (ret) | |
1760 | return ret; | |
1761 | dev_addr += (sz >> 9); | |
1762 | } | |
1763 | getnstimeofday(&ts2); | |
1764 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1765 | } | |
1766 | return 0; | |
1767 | } | |
1768 | ||
88ae600d PO |
1769 | static const struct mmc_test_case mmc_test_cases[] = { |
1770 | { | |
1771 | .name = "Basic write (no data verification)", | |
1772 | .run = mmc_test_basic_write, | |
1773 | }, | |
1774 | ||
1775 | { | |
1776 | .name = "Basic read (no data verification)", | |
1777 | .run = mmc_test_basic_read, | |
1778 | }, | |
1779 | ||
1780 | { | |
1781 | .name = "Basic write (with data verification)", | |
6b174931 | 1782 | .prepare = mmc_test_prepare_write, |
88ae600d | 1783 | .run = mmc_test_verify_write, |
6b174931 | 1784 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1785 | }, |
1786 | ||
1787 | { | |
1788 | .name = "Basic read (with data verification)", | |
6b174931 | 1789 | .prepare = mmc_test_prepare_read, |
88ae600d | 1790 | .run = mmc_test_verify_read, |
6b174931 | 1791 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1792 | }, |
1793 | ||
1794 | { | |
1795 | .name = "Multi-block write", | |
6b174931 | 1796 | .prepare = mmc_test_prepare_write, |
88ae600d | 1797 | .run = mmc_test_multi_write, |
6b174931 | 1798 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1799 | }, |
1800 | ||
1801 | { | |
1802 | .name = "Multi-block read", | |
6b174931 | 1803 | .prepare = mmc_test_prepare_read, |
88ae600d | 1804 | .run = mmc_test_multi_read, |
6b174931 | 1805 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1806 | }, |
1807 | ||
1808 | { | |
1809 | .name = "Power of two block writes", | |
6b174931 | 1810 | .prepare = mmc_test_prepare_write, |
88ae600d | 1811 | .run = mmc_test_pow2_write, |
6b174931 | 1812 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1813 | }, |
1814 | ||
1815 | { | |
1816 | .name = "Power of two block reads", | |
6b174931 | 1817 | .prepare = mmc_test_prepare_read, |
88ae600d | 1818 | .run = mmc_test_pow2_read, |
6b174931 | 1819 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1820 | }, |
1821 | ||
1822 | { | |
1823 | .name = "Weird sized block writes", | |
6b174931 | 1824 | .prepare = mmc_test_prepare_write, |
88ae600d | 1825 | .run = mmc_test_weird_write, |
6b174931 | 1826 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1827 | }, |
1828 | ||
1829 | { | |
1830 | .name = "Weird sized block reads", | |
6b174931 | 1831 | .prepare = mmc_test_prepare_read, |
88ae600d | 1832 | .run = mmc_test_weird_read, |
6b174931 | 1833 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1834 | }, |
1835 | ||
1836 | { | |
1837 | .name = "Badly aligned write", | |
6b174931 | 1838 | .prepare = mmc_test_prepare_write, |
88ae600d | 1839 | .run = mmc_test_align_write, |
6b174931 | 1840 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1841 | }, |
1842 | ||
1843 | { | |
1844 | .name = "Badly aligned read", | |
6b174931 | 1845 | .prepare = mmc_test_prepare_read, |
88ae600d | 1846 | .run = mmc_test_align_read, |
6b174931 | 1847 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1848 | }, |
1849 | ||
1850 | { | |
1851 | .name = "Badly aligned multi-block write", | |
6b174931 | 1852 | .prepare = mmc_test_prepare_write, |
88ae600d | 1853 | .run = mmc_test_align_multi_write, |
6b174931 | 1854 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1855 | }, |
1856 | ||
1857 | { | |
1858 | .name = "Badly aligned multi-block read", | |
6b174931 | 1859 | .prepare = mmc_test_prepare_read, |
88ae600d | 1860 | .run = mmc_test_align_multi_read, |
6b174931 | 1861 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1862 | }, |
1863 | ||
1864 | { | |
1865 | .name = "Correct xfer_size at write (start failure)", | |
1866 | .run = mmc_test_xfersize_write, | |
1867 | }, | |
1868 | ||
1869 | { | |
1870 | .name = "Correct xfer_size at read (start failure)", | |
1871 | .run = mmc_test_xfersize_read, | |
1872 | }, | |
1873 | ||
1874 | { | |
1875 | .name = "Correct xfer_size at write (midway failure)", | |
1876 | .run = mmc_test_multi_xfersize_write, | |
1877 | }, | |
1878 | ||
1879 | { | |
1880 | .name = "Correct xfer_size at read (midway failure)", | |
1881 | .run = mmc_test_multi_xfersize_read, | |
1882 | }, | |
2661081f PO |
1883 | |
1884 | #ifdef CONFIG_HIGHMEM | |
1885 | ||
1886 | { | |
1887 | .name = "Highmem write", | |
1888 | .prepare = mmc_test_prepare_write, | |
1889 | .run = mmc_test_write_high, | |
1890 | .cleanup = mmc_test_cleanup, | |
1891 | }, | |
1892 | ||
1893 | { | |
1894 | .name = "Highmem read", | |
1895 | .prepare = mmc_test_prepare_read, | |
1896 | .run = mmc_test_read_high, | |
1897 | .cleanup = mmc_test_cleanup, | |
1898 | }, | |
1899 | ||
1900 | { | |
1901 | .name = "Multi-block highmem write", | |
1902 | .prepare = mmc_test_prepare_write, | |
1903 | .run = mmc_test_multi_write_high, | |
1904 | .cleanup = mmc_test_cleanup, | |
1905 | }, | |
1906 | ||
1907 | { | |
1908 | .name = "Multi-block highmem read", | |
1909 | .prepare = mmc_test_prepare_read, | |
1910 | .run = mmc_test_multi_read_high, | |
1911 | .cleanup = mmc_test_cleanup, | |
1912 | }, | |
1913 | ||
64f7120d AH |
1914 | #else |
1915 | ||
1916 | { | |
1917 | .name = "Highmem write", | |
1918 | .run = mmc_test_no_highmem, | |
1919 | }, | |
1920 | ||
1921 | { | |
1922 | .name = "Highmem read", | |
1923 | .run = mmc_test_no_highmem, | |
1924 | }, | |
1925 | ||
1926 | { | |
1927 | .name = "Multi-block highmem write", | |
1928 | .run = mmc_test_no_highmem, | |
1929 | }, | |
1930 | ||
1931 | { | |
1932 | .name = "Multi-block highmem read", | |
1933 | .run = mmc_test_no_highmem, | |
1934 | }, | |
1935 | ||
2661081f PO |
1936 | #endif /* CONFIG_HIGHMEM */ |
1937 | ||
64f7120d AH |
1938 | { |
1939 | .name = "Best-case read performance", | |
1940 | .prepare = mmc_test_area_prepare_fill, | |
1941 | .run = mmc_test_best_read_performance, | |
1942 | .cleanup = mmc_test_area_cleanup, | |
1943 | }, | |
1944 | ||
1945 | { | |
1946 | .name = "Best-case write performance", | |
1947 | .prepare = mmc_test_area_prepare_erase, | |
1948 | .run = mmc_test_best_write_performance, | |
1949 | .cleanup = mmc_test_area_cleanup, | |
1950 | }, | |
1951 | ||
1952 | { | |
1953 | .name = "Best-case read performance into scattered pages", | |
1954 | .prepare = mmc_test_area_prepare_fill, | |
1955 | .run = mmc_test_best_read_perf_max_scatter, | |
1956 | .cleanup = mmc_test_area_cleanup, | |
1957 | }, | |
1958 | ||
1959 | { | |
1960 | .name = "Best-case write performance from scattered pages", | |
1961 | .prepare = mmc_test_area_prepare_erase, | |
1962 | .run = mmc_test_best_write_perf_max_scatter, | |
1963 | .cleanup = mmc_test_area_cleanup, | |
1964 | }, | |
1965 | ||
1966 | { | |
1967 | .name = "Single read performance by transfer size", | |
1968 | .prepare = mmc_test_area_prepare_fill, | |
1969 | .run = mmc_test_profile_read_perf, | |
1970 | .cleanup = mmc_test_area_cleanup, | |
1971 | }, | |
1972 | ||
1973 | { | |
1974 | .name = "Single write performance by transfer size", | |
1975 | .prepare = mmc_test_area_prepare, | |
1976 | .run = mmc_test_profile_write_perf, | |
1977 | .cleanup = mmc_test_area_cleanup, | |
1978 | }, | |
1979 | ||
1980 | { | |
1981 | .name = "Single trim performance by transfer size", | |
1982 | .prepare = mmc_test_area_prepare_fill, | |
1983 | .run = mmc_test_profile_trim_perf, | |
1984 | .cleanup = mmc_test_area_cleanup, | |
1985 | }, | |
1986 | ||
1987 | { | |
1988 | .name = "Consecutive read performance by transfer size", | |
1989 | .prepare = mmc_test_area_prepare_fill, | |
1990 | .run = mmc_test_profile_seq_read_perf, | |
1991 | .cleanup = mmc_test_area_cleanup, | |
1992 | }, | |
1993 | ||
1994 | { | |
1995 | .name = "Consecutive write performance by transfer size", | |
1996 | .prepare = mmc_test_area_prepare, | |
1997 | .run = mmc_test_profile_seq_write_perf, | |
1998 | .cleanup = mmc_test_area_cleanup, | |
1999 | }, | |
2000 | ||
2001 | { | |
2002 | .name = "Consecutive trim performance by transfer size", | |
2003 | .prepare = mmc_test_area_prepare, | |
2004 | .run = mmc_test_profile_seq_trim_perf, | |
2005 | .cleanup = mmc_test_area_cleanup, | |
2006 | }, | |
2007 | ||
88ae600d PO |
2008 | }; |
2009 | ||
a650031a | 2010 | static DEFINE_MUTEX(mmc_test_lock); |
88ae600d | 2011 | |
3183aa15 AS |
2012 | static LIST_HEAD(mmc_test_result); |
2013 | ||
fd8c326c | 2014 | static void mmc_test_run(struct mmc_test_card *test, int testcase) |
88ae600d PO |
2015 | { |
2016 | int i, ret; | |
2017 | ||
2018 | printk(KERN_INFO "%s: Starting tests of card %s...\n", | |
2019 | mmc_hostname(test->card->host), mmc_card_id(test->card)); | |
2020 | ||
2021 | mmc_claim_host(test->card->host); | |
2022 | ||
2023 | for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) { | |
3183aa15 AS |
2024 | struct mmc_test_general_result *gr; |
2025 | ||
fd8c326c PO |
2026 | if (testcase && ((i + 1) != testcase)) |
2027 | continue; | |
2028 | ||
88ae600d PO |
2029 | printk(KERN_INFO "%s: Test case %d. %s...\n", |
2030 | mmc_hostname(test->card->host), i + 1, | |
2031 | mmc_test_cases[i].name); | |
2032 | ||
2033 | if (mmc_test_cases[i].prepare) { | |
2034 | ret = mmc_test_cases[i].prepare(test); | |
2035 | if (ret) { | |
2036 | printk(KERN_INFO "%s: Result: Prepare " | |
2037 | "stage failed! (%d)\n", | |
2038 | mmc_hostname(test->card->host), | |
2039 | ret); | |
2040 | continue; | |
2041 | } | |
2042 | } | |
2043 | ||
3183aa15 AS |
2044 | gr = kzalloc(sizeof(struct mmc_test_general_result), |
2045 | GFP_KERNEL); | |
2046 | if (gr) { | |
2047 | INIT_LIST_HEAD(&gr->tr_lst); | |
2048 | ||
2049 | /* Assign data what we know already */ | |
2050 | gr->card = test->card; | |
2051 | gr->testcase = i; | |
2052 | ||
2053 | /* Append container to global one */ | |
2054 | list_add_tail(&gr->link, &mmc_test_result); | |
2055 | ||
2056 | /* | |
2057 | * Save the pointer to created container in our private | |
2058 | * structure. | |
2059 | */ | |
2060 | test->gr = gr; | |
2061 | } | |
2062 | ||
88ae600d PO |
2063 | ret = mmc_test_cases[i].run(test); |
2064 | switch (ret) { | |
2065 | case RESULT_OK: | |
2066 | printk(KERN_INFO "%s: Result: OK\n", | |
2067 | mmc_hostname(test->card->host)); | |
2068 | break; | |
2069 | case RESULT_FAIL: | |
2070 | printk(KERN_INFO "%s: Result: FAILED\n", | |
2071 | mmc_hostname(test->card->host)); | |
2072 | break; | |
2073 | case RESULT_UNSUP_HOST: | |
2074 | printk(KERN_INFO "%s: Result: UNSUPPORTED " | |
2075 | "(by host)\n", | |
2076 | mmc_hostname(test->card->host)); | |
2077 | break; | |
2078 | case RESULT_UNSUP_CARD: | |
2079 | printk(KERN_INFO "%s: Result: UNSUPPORTED " | |
2080 | "(by card)\n", | |
2081 | mmc_hostname(test->card->host)); | |
2082 | break; | |
2083 | default: | |
2084 | printk(KERN_INFO "%s: Result: ERROR (%d)\n", | |
2085 | mmc_hostname(test->card->host), ret); | |
2086 | } | |
2087 | ||
3183aa15 AS |
2088 | /* Save the result */ |
2089 | if (gr) | |
2090 | gr->result = ret; | |
2091 | ||
88ae600d PO |
2092 | if (mmc_test_cases[i].cleanup) { |
2093 | ret = mmc_test_cases[i].cleanup(test); | |
2094 | if (ret) { | |
2095 | printk(KERN_INFO "%s: Warning: Cleanup " | |
2096 | "stage failed! (%d)\n", | |
2097 | mmc_hostname(test->card->host), | |
2098 | ret); | |
2099 | } | |
2100 | } | |
2101 | } | |
2102 | ||
2103 | mmc_release_host(test->card->host); | |
2104 | ||
2105 | printk(KERN_INFO "%s: Tests completed.\n", | |
2106 | mmc_hostname(test->card->host)); | |
2107 | } | |
2108 | ||
3183aa15 AS |
2109 | static void mmc_test_free_result(struct mmc_card *card) |
2110 | { | |
2111 | struct mmc_test_general_result *gr, *grs; | |
2112 | ||
2113 | mutex_lock(&mmc_test_lock); | |
2114 | ||
2115 | list_for_each_entry_safe(gr, grs, &mmc_test_result, link) { | |
2116 | struct mmc_test_transfer_result *tr, *trs; | |
2117 | ||
2118 | if (card && gr->card != card) | |
2119 | continue; | |
2120 | ||
2121 | list_for_each_entry_safe(tr, trs, &gr->tr_lst, link) { | |
2122 | list_del(&tr->link); | |
2123 | kfree(tr); | |
2124 | } | |
2125 | ||
2126 | list_del(&gr->link); | |
2127 | kfree(gr); | |
2128 | } | |
2129 | ||
2130 | mutex_unlock(&mmc_test_lock); | |
2131 | } | |
2132 | ||
130067ed AS |
2133 | static LIST_HEAD(mmc_test_file_test); |
2134 | ||
2135 | static int mtf_test_show(struct seq_file *sf, void *data) | |
88ae600d | 2136 | { |
130067ed | 2137 | struct mmc_card *card = (struct mmc_card *)sf->private; |
3183aa15 | 2138 | struct mmc_test_general_result *gr; |
3183aa15 | 2139 | |
88ae600d | 2140 | mutex_lock(&mmc_test_lock); |
3183aa15 AS |
2141 | |
2142 | list_for_each_entry(gr, &mmc_test_result, link) { | |
2143 | struct mmc_test_transfer_result *tr; | |
2144 | ||
2145 | if (gr->card != card) | |
2146 | continue; | |
2147 | ||
130067ed | 2148 | seq_printf(sf, "Test %d: %d\n", gr->testcase + 1, gr->result); |
3183aa15 AS |
2149 | |
2150 | list_for_each_entry(tr, &gr->tr_lst, link) { | |
130067ed | 2151 | seq_printf(sf, "%u %d %lu.%09lu %u\n", |
3183aa15 AS |
2152 | tr->count, tr->sectors, |
2153 | (unsigned long)tr->ts.tv_sec, | |
2154 | (unsigned long)tr->ts.tv_nsec, | |
2155 | tr->rate); | |
3183aa15 AS |
2156 | } |
2157 | } | |
2158 | ||
88ae600d PO |
2159 | mutex_unlock(&mmc_test_lock); |
2160 | ||
130067ed | 2161 | return 0; |
88ae600d PO |
2162 | } |
2163 | ||
130067ed | 2164 | static int mtf_test_open(struct inode *inode, struct file *file) |
88ae600d | 2165 | { |
130067ed AS |
2166 | return single_open(file, mtf_test_show, inode->i_private); |
2167 | } | |
2168 | ||
2169 | static ssize_t mtf_test_write(struct file *file, const char __user *buf, | |
2170 | size_t count, loff_t *pos) | |
2171 | { | |
2172 | struct seq_file *sf = (struct seq_file *)file->private_data; | |
2173 | struct mmc_card *card = (struct mmc_card *)sf->private; | |
88ae600d | 2174 | struct mmc_test_card *test; |
130067ed | 2175 | char lbuf[12]; |
5c25aee5 | 2176 | long testcase; |
88ae600d | 2177 | |
130067ed AS |
2178 | if (count >= sizeof(lbuf)) |
2179 | return -EINVAL; | |
2180 | ||
2181 | if (copy_from_user(lbuf, buf, count)) | |
2182 | return -EFAULT; | |
2183 | lbuf[count] = '\0'; | |
2184 | ||
2185 | if (strict_strtol(lbuf, 10, &testcase)) | |
5c25aee5 | 2186 | return -EINVAL; |
fd8c326c | 2187 | |
88ae600d PO |
2188 | test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL); |
2189 | if (!test) | |
2190 | return -ENOMEM; | |
2191 | ||
3183aa15 AS |
2192 | /* |
2193 | * Remove all test cases associated with given card. Thus we have only | |
2194 | * actual data of the last run. | |
2195 | */ | |
2196 | mmc_test_free_result(card); | |
2197 | ||
88ae600d PO |
2198 | test->card = card; |
2199 | ||
2200 | test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); | |
2661081f PO |
2201 | #ifdef CONFIG_HIGHMEM |
2202 | test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); | |
2203 | #endif | |
2204 | ||
2205 | #ifdef CONFIG_HIGHMEM | |
2206 | if (test->buffer && test->highmem) { | |
2207 | #else | |
88ae600d | 2208 | if (test->buffer) { |
2661081f | 2209 | #endif |
88ae600d | 2210 | mutex_lock(&mmc_test_lock); |
fd8c326c | 2211 | mmc_test_run(test, testcase); |
88ae600d PO |
2212 | mutex_unlock(&mmc_test_lock); |
2213 | } | |
2214 | ||
2661081f PO |
2215 | #ifdef CONFIG_HIGHMEM |
2216 | __free_pages(test->highmem, BUFFER_ORDER); | |
2217 | #endif | |
88ae600d PO |
2218 | kfree(test->buffer); |
2219 | kfree(test); | |
2220 | ||
2221 | return count; | |
2222 | } | |
2223 | ||
130067ed AS |
2224 | static const struct file_operations mmc_test_fops_test = { |
2225 | .open = mtf_test_open, | |
2226 | .read = seq_read, | |
2227 | .write = mtf_test_write, | |
2228 | .llseek = seq_lseek, | |
2229 | .release = single_release, | |
2230 | }; | |
2231 | ||
2232 | static void mmc_test_free_file_test(struct mmc_card *card) | |
2233 | { | |
2234 | struct mmc_test_dbgfs_file *df, *dfs; | |
2235 | ||
2236 | mutex_lock(&mmc_test_lock); | |
2237 | ||
2238 | list_for_each_entry_safe(df, dfs, &mmc_test_file_test, link) { | |
2239 | if (card && df->card != card) | |
2240 | continue; | |
2241 | debugfs_remove(df->file); | |
2242 | list_del(&df->link); | |
2243 | kfree(df); | |
2244 | } | |
2245 | ||
2246 | mutex_unlock(&mmc_test_lock); | |
2247 | } | |
2248 | ||
2249 | static int mmc_test_register_file_test(struct mmc_card *card) | |
2250 | { | |
2251 | struct dentry *file = NULL; | |
2252 | struct mmc_test_dbgfs_file *df; | |
2253 | int ret = 0; | |
2254 | ||
2255 | mutex_lock(&mmc_test_lock); | |
2256 | ||
2257 | if (card->debugfs_root) | |
2258 | file = debugfs_create_file("test", S_IWUSR | S_IRUGO, | |
2259 | card->debugfs_root, card, &mmc_test_fops_test); | |
2260 | ||
2261 | if (IS_ERR_OR_NULL(file)) { | |
2262 | dev_err(&card->dev, | |
2263 | "Can't create file. Perhaps debugfs is disabled.\n"); | |
2264 | ret = -ENODEV; | |
2265 | goto err; | |
2266 | } | |
2267 | ||
2268 | df = kmalloc(sizeof(struct mmc_test_dbgfs_file), GFP_KERNEL); | |
2269 | if (!df) { | |
2270 | debugfs_remove(file); | |
2271 | dev_err(&card->dev, | |
2272 | "Can't allocate memory for internal usage.\n"); | |
2273 | ret = -ENOMEM; | |
2274 | goto err; | |
2275 | } | |
2276 | ||
2277 | df->card = card; | |
2278 | df->file = file; | |
2279 | ||
2280 | list_add(&df->link, &mmc_test_file_test); | |
2281 | ||
2282 | err: | |
2283 | mutex_unlock(&mmc_test_lock); | |
2284 | ||
2285 | return ret; | |
2286 | } | |
88ae600d PO |
2287 | |
2288 | static int mmc_test_probe(struct mmc_card *card) | |
2289 | { | |
2290 | int ret; | |
2291 | ||
63be54ce | 2292 | if (!mmc_card_mmc(card) && !mmc_card_sd(card)) |
0121a982 PO |
2293 | return -ENODEV; |
2294 | ||
130067ed | 2295 | ret = mmc_test_register_file_test(card); |
88ae600d PO |
2296 | if (ret) |
2297 | return ret; | |
2298 | ||
60c9c7b1 PO |
2299 | dev_info(&card->dev, "Card claimed for testing.\n"); |
2300 | ||
88ae600d PO |
2301 | return 0; |
2302 | } | |
2303 | ||
2304 | static void mmc_test_remove(struct mmc_card *card) | |
2305 | { | |
3183aa15 | 2306 | mmc_test_free_result(card); |
130067ed | 2307 | mmc_test_free_file_test(card); |
88ae600d PO |
2308 | } |
2309 | ||
2310 | static struct mmc_driver mmc_driver = { | |
2311 | .drv = { | |
2312 | .name = "mmc_test", | |
2313 | }, | |
2314 | .probe = mmc_test_probe, | |
2315 | .remove = mmc_test_remove, | |
2316 | }; | |
2317 | ||
2318 | static int __init mmc_test_init(void) | |
2319 | { | |
2320 | return mmc_register_driver(&mmc_driver); | |
2321 | } | |
2322 | ||
2323 | static void __exit mmc_test_exit(void) | |
2324 | { | |
3183aa15 AS |
2325 | /* Clear stalled data if card is still plugged */ |
2326 | mmc_test_free_result(NULL); | |
130067ed | 2327 | mmc_test_free_file_test(NULL); |
3183aa15 | 2328 | |
88ae600d PO |
2329 | mmc_unregister_driver(&mmc_driver); |
2330 | } | |
2331 | ||
2332 | module_init(mmc_test_init); | |
2333 | module_exit(mmc_test_exit); | |
2334 | ||
2335 | MODULE_LICENSE("GPL"); | |
2336 | MODULE_DESCRIPTION("Multimedia Card (MMC) host test driver"); | |
2337 | MODULE_AUTHOR("Pierre Ossman"); |