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 | |
b6056d12 | 91 | * @iops: I/O operations per second (times 100) |
3183aa15 AS |
92 | */ |
93 | struct mmc_test_transfer_result { | |
94 | struct list_head link; | |
95 | unsigned int count; | |
96 | unsigned int sectors; | |
97 | struct timespec ts; | |
98 | unsigned int rate; | |
b6056d12 | 99 | unsigned int iops; |
3183aa15 AS |
100 | }; |
101 | ||
102 | /** | |
103 | * struct mmc_test_general_result - results for tests. | |
104 | * @link: double-linked list | |
105 | * @card: card under test | |
106 | * @testcase: number of test case | |
107 | * @result: result of test run | |
108 | * @tr_lst: transfer measurements if any as mmc_test_transfer_result | |
109 | */ | |
110 | struct mmc_test_general_result { | |
111 | struct list_head link; | |
112 | struct mmc_card *card; | |
113 | int testcase; | |
114 | int result; | |
115 | struct list_head tr_lst; | |
116 | }; | |
117 | ||
130067ed AS |
118 | /** |
119 | * struct mmc_test_dbgfs_file - debugfs related file. | |
120 | * @link: double-linked list | |
121 | * @card: card under test | |
122 | * @file: file created under debugfs | |
123 | */ | |
124 | struct mmc_test_dbgfs_file { | |
125 | struct list_head link; | |
126 | struct mmc_card *card; | |
127 | struct dentry *file; | |
128 | }; | |
129 | ||
64f7120d AH |
130 | /** |
131 | * struct mmc_test_card - test information. | |
132 | * @card: card under test | |
133 | * @scratch: transfer buffer | |
134 | * @buffer: transfer buffer | |
135 | * @highmem: buffer for highmem tests | |
136 | * @area: information for performance tests | |
3183aa15 | 137 | * @gr: pointer to results of current testcase |
64f7120d | 138 | */ |
88ae600d PO |
139 | struct mmc_test_card { |
140 | struct mmc_card *card; | |
141 | ||
6b174931 | 142 | u8 scratch[BUFFER_SIZE]; |
88ae600d | 143 | u8 *buffer; |
2661081f PO |
144 | #ifdef CONFIG_HIGHMEM |
145 | struct page *highmem; | |
146 | #endif | |
3183aa15 AS |
147 | struct mmc_test_area area; |
148 | struct mmc_test_general_result *gr; | |
88ae600d PO |
149 | }; |
150 | ||
9f9c4180 PF |
151 | enum mmc_test_prep_media { |
152 | MMC_TEST_PREP_NONE = 0, | |
153 | MMC_TEST_PREP_WRITE_FULL = 1 << 0, | |
154 | MMC_TEST_PREP_ERASE = 1 << 1, | |
155 | }; | |
156 | ||
157 | struct mmc_test_multiple_rw { | |
bf043330 | 158 | unsigned int *sg_len; |
9f9c4180 PF |
159 | unsigned int *bs; |
160 | unsigned int len; | |
161 | unsigned int size; | |
162 | bool do_write; | |
163 | bool do_nonblock_req; | |
164 | enum mmc_test_prep_media prepare; | |
165 | }; | |
166 | ||
167 | struct mmc_test_async_req { | |
168 | struct mmc_async_req areq; | |
169 | struct mmc_test_card *test; | |
170 | }; | |
171 | ||
88ae600d | 172 | /*******************************************************************/ |
6b174931 | 173 | /* General helper functions */ |
88ae600d PO |
174 | /*******************************************************************/ |
175 | ||
6b174931 PO |
176 | /* |
177 | * Configure correct block size in card | |
178 | */ | |
88ae600d PO |
179 | static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size) |
180 | { | |
0f8d8ea6 | 181 | return mmc_set_blocklen(test->card, size); |
88ae600d PO |
182 | } |
183 | ||
6b174931 PO |
184 | /* |
185 | * Fill in the mmc_request structure given a set of transfer parameters. | |
186 | */ | |
187 | static void mmc_test_prepare_mrq(struct mmc_test_card *test, | |
188 | struct mmc_request *mrq, struct scatterlist *sg, unsigned sg_len, | |
189 | unsigned dev_addr, unsigned blocks, unsigned blksz, int write) | |
88ae600d | 190 | { |
6b174931 | 191 | BUG_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop); |
88ae600d | 192 | |
6b174931 PO |
193 | if (blocks > 1) { |
194 | mrq->cmd->opcode = write ? | |
195 | MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK; | |
88ae600d | 196 | } else { |
6b174931 PO |
197 | mrq->cmd->opcode = write ? |
198 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
88ae600d PO |
199 | } |
200 | ||
6b174931 | 201 | mrq->cmd->arg = dev_addr; |
c286d03c JK |
202 | if (!mmc_card_blockaddr(test->card)) |
203 | mrq->cmd->arg <<= 9; | |
204 | ||
6b174931 | 205 | mrq->cmd->flags = MMC_RSP_R1 | MMC_CMD_ADTC; |
88ae600d | 206 | |
6b174931 PO |
207 | if (blocks == 1) |
208 | mrq->stop = NULL; | |
209 | else { | |
210 | mrq->stop->opcode = MMC_STOP_TRANSMISSION; | |
211 | mrq->stop->arg = 0; | |
212 | mrq->stop->flags = MMC_RSP_R1B | MMC_CMD_AC; | |
88ae600d PO |
213 | } |
214 | ||
6b174931 PO |
215 | mrq->data->blksz = blksz; |
216 | mrq->data->blocks = blocks; | |
217 | mrq->data->flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; | |
218 | mrq->data->sg = sg; | |
219 | mrq->data->sg_len = sg_len; | |
88ae600d | 220 | |
6b174931 PO |
221 | mmc_set_data_timeout(mrq->data, test->card); |
222 | } | |
88ae600d | 223 | |
64f7120d AH |
224 | static int mmc_test_busy(struct mmc_command *cmd) |
225 | { | |
226 | return !(cmd->resp[0] & R1_READY_FOR_DATA) || | |
7435bb79 | 227 | (R1_CURRENT_STATE(cmd->resp[0]) == R1_STATE_PRG); |
64f7120d AH |
228 | } |
229 | ||
6b174931 PO |
230 | /* |
231 | * Wait for the card to finish the busy state | |
232 | */ | |
233 | static int mmc_test_wait_busy(struct mmc_test_card *test) | |
234 | { | |
235 | int ret, busy; | |
1278dba1 | 236 | struct mmc_command cmd = {0}; |
88ae600d PO |
237 | |
238 | busy = 0; | |
239 | do { | |
88ae600d PO |
240 | memset(&cmd, 0, sizeof(struct mmc_command)); |
241 | ||
242 | cmd.opcode = MMC_SEND_STATUS; | |
243 | cmd.arg = test->card->rca << 16; | |
244 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; | |
245 | ||
6b174931 PO |
246 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); |
247 | if (ret) | |
88ae600d PO |
248 | break; |
249 | ||
64f7120d | 250 | if (!busy && mmc_test_busy(&cmd)) { |
88ae600d | 251 | busy = 1; |
54d6b44a PM |
252 | if (test->card->host->caps & MMC_CAP_WAIT_WHILE_BUSY) |
253 | printk(KERN_INFO "%s: Warning: Host did not " | |
254 | "wait for busy state to end.\n", | |
255 | mmc_hostname(test->card->host)); | |
88ae600d | 256 | } |
64f7120d | 257 | } while (mmc_test_busy(&cmd)); |
88ae600d PO |
258 | |
259 | return ret; | |
260 | } | |
261 | ||
6b174931 PO |
262 | /* |
263 | * Transfer a single sector of kernel addressable data | |
264 | */ | |
265 | static int mmc_test_buffer_transfer(struct mmc_test_card *test, | |
266 | u8 *buffer, unsigned addr, unsigned blksz, int write) | |
88ae600d | 267 | { |
6b174931 PO |
268 | int ret; |
269 | ||
24f5b53b | 270 | struct mmc_request mrq = {0}; |
1278dba1 CB |
271 | struct mmc_command cmd = {0}; |
272 | struct mmc_command stop = {0}; | |
a61ad2b4 | 273 | struct mmc_data data = {0}; |
6b174931 PO |
274 | |
275 | struct scatterlist sg; | |
276 | ||
6b174931 PO |
277 | mrq.cmd = &cmd; |
278 | mrq.data = &data; | |
279 | mrq.stop = &stop; | |
280 | ||
281 | sg_init_one(&sg, buffer, blksz); | |
282 | ||
283 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write); | |
284 | ||
285 | mmc_wait_for_req(test->card->host, &mrq); | |
286 | ||
287 | if (cmd.error) | |
288 | return cmd.error; | |
289 | if (data.error) | |
290 | return data.error; | |
291 | ||
292 | ret = mmc_test_wait_busy(test); | |
293 | if (ret) | |
294 | return ret; | |
295 | ||
296 | return 0; | |
88ae600d PO |
297 | } |
298 | ||
64f7120d AH |
299 | static void mmc_test_free_mem(struct mmc_test_mem *mem) |
300 | { | |
301 | if (!mem) | |
302 | return; | |
303 | while (mem->cnt--) | |
304 | __free_pages(mem->arr[mem->cnt].page, | |
305 | mem->arr[mem->cnt].order); | |
306 | kfree(mem->arr); | |
307 | kfree(mem); | |
308 | } | |
309 | ||
310 | /* | |
25985edc | 311 | * Allocate a lot of memory, preferably max_sz but at least min_sz. In case |
c8c8c1bd AH |
312 | * there isn't much memory do not exceed 1/16th total lowmem pages. Also do |
313 | * not exceed a maximum number of segments and try not to make segments much | |
314 | * bigger than maximum segment size. | |
64f7120d | 315 | */ |
fec4dcce | 316 | static struct mmc_test_mem *mmc_test_alloc_mem(unsigned long min_sz, |
c8c8c1bd AH |
317 | unsigned long max_sz, |
318 | unsigned int max_segs, | |
319 | unsigned int max_seg_sz) | |
64f7120d | 320 | { |
fec4dcce AH |
321 | unsigned long max_page_cnt = DIV_ROUND_UP(max_sz, PAGE_SIZE); |
322 | unsigned long min_page_cnt = DIV_ROUND_UP(min_sz, PAGE_SIZE); | |
c8c8c1bd | 323 | unsigned long max_seg_page_cnt = DIV_ROUND_UP(max_seg_sz, PAGE_SIZE); |
fec4dcce AH |
324 | unsigned long page_cnt = 0; |
325 | unsigned long limit = nr_free_buffer_pages() >> 4; | |
64f7120d | 326 | struct mmc_test_mem *mem; |
64f7120d | 327 | |
fec4dcce AH |
328 | if (max_page_cnt > limit) |
329 | max_page_cnt = limit; | |
3d203be8 AH |
330 | if (min_page_cnt > max_page_cnt) |
331 | min_page_cnt = max_page_cnt; | |
64f7120d | 332 | |
c8c8c1bd AH |
333 | if (max_seg_page_cnt > max_page_cnt) |
334 | max_seg_page_cnt = max_page_cnt; | |
335 | ||
336 | if (max_segs > max_page_cnt) | |
337 | max_segs = max_page_cnt; | |
338 | ||
64f7120d AH |
339 | mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL); |
340 | if (!mem) | |
341 | return NULL; | |
342 | ||
c8c8c1bd | 343 | mem->arr = kzalloc(sizeof(struct mmc_test_pages) * max_segs, |
64f7120d AH |
344 | GFP_KERNEL); |
345 | if (!mem->arr) | |
346 | goto out_free; | |
347 | ||
348 | while (max_page_cnt) { | |
349 | struct page *page; | |
350 | unsigned int order; | |
351 | gfp_t flags = GFP_KERNEL | GFP_DMA | __GFP_NOWARN | | |
352 | __GFP_NORETRY; | |
353 | ||
c8c8c1bd | 354 | order = get_order(max_seg_page_cnt << PAGE_SHIFT); |
64f7120d AH |
355 | while (1) { |
356 | page = alloc_pages(flags, order); | |
357 | if (page || !order) | |
358 | break; | |
359 | order -= 1; | |
360 | } | |
361 | if (!page) { | |
362 | if (page_cnt < min_page_cnt) | |
363 | goto out_free; | |
364 | break; | |
365 | } | |
366 | mem->arr[mem->cnt].page = page; | |
367 | mem->arr[mem->cnt].order = order; | |
368 | mem->cnt += 1; | |
fec4dcce AH |
369 | if (max_page_cnt <= (1UL << order)) |
370 | break; | |
3d203be8 AH |
371 | max_page_cnt -= 1UL << order; |
372 | page_cnt += 1UL << order; | |
c8c8c1bd AH |
373 | if (mem->cnt >= max_segs) { |
374 | if (page_cnt < min_page_cnt) | |
375 | goto out_free; | |
376 | break; | |
377 | } | |
64f7120d AH |
378 | } |
379 | ||
380 | return mem; | |
381 | ||
382 | out_free: | |
383 | mmc_test_free_mem(mem); | |
384 | return NULL; | |
385 | } | |
386 | ||
387 | /* | |
388 | * Map memory into a scatterlist. Optionally allow the same memory to be | |
389 | * mapped more than once. | |
390 | */ | |
bf043330 | 391 | static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long size, |
64f7120d | 392 | struct scatterlist *sglist, int repeat, |
c8c8c1bd | 393 | unsigned int max_segs, unsigned int max_seg_sz, |
bf043330 | 394 | unsigned int *sg_len, int min_sg_len) |
64f7120d AH |
395 | { |
396 | struct scatterlist *sg = NULL; | |
397 | unsigned int i; | |
bf043330 | 398 | unsigned long sz = size; |
64f7120d AH |
399 | |
400 | sg_init_table(sglist, max_segs); | |
bf043330 PF |
401 | if (min_sg_len > max_segs) |
402 | min_sg_len = max_segs; | |
64f7120d AH |
403 | |
404 | *sg_len = 0; | |
405 | do { | |
406 | for (i = 0; i < mem->cnt; i++) { | |
fec4dcce | 407 | unsigned long len = PAGE_SIZE << mem->arr[i].order; |
64f7120d | 408 | |
bf043330 PF |
409 | if (min_sg_len && (size / min_sg_len < len)) |
410 | len = ALIGN(size / min_sg_len, 512); | |
c8c8c1bd | 411 | if (len > sz) |
64f7120d | 412 | len = sz; |
c8c8c1bd AH |
413 | if (len > max_seg_sz) |
414 | len = max_seg_sz; | |
64f7120d AH |
415 | if (sg) |
416 | sg = sg_next(sg); | |
417 | else | |
418 | sg = sglist; | |
419 | if (!sg) | |
420 | return -EINVAL; | |
421 | sg_set_page(sg, mem->arr[i].page, len, 0); | |
422 | sz -= len; | |
423 | *sg_len += 1; | |
424 | if (!sz) | |
425 | break; | |
426 | } | |
427 | } while (sz && repeat); | |
428 | ||
429 | if (sz) | |
430 | return -EINVAL; | |
431 | ||
432 | if (sg) | |
433 | sg_mark_end(sg); | |
434 | ||
435 | return 0; | |
436 | } | |
437 | ||
438 | /* | |
439 | * Map memory into a scatterlist so that no pages are contiguous. Allow the | |
440 | * same memory to be mapped more than once. | |
441 | */ | |
442 | static int mmc_test_map_sg_max_scatter(struct mmc_test_mem *mem, | |
fec4dcce | 443 | unsigned long sz, |
64f7120d AH |
444 | struct scatterlist *sglist, |
445 | unsigned int max_segs, | |
c8c8c1bd | 446 | unsigned int max_seg_sz, |
64f7120d AH |
447 | unsigned int *sg_len) |
448 | { | |
449 | struct scatterlist *sg = NULL; | |
fec4dcce AH |
450 | unsigned int i = mem->cnt, cnt; |
451 | unsigned long len; | |
64f7120d AH |
452 | void *base, *addr, *last_addr = NULL; |
453 | ||
454 | sg_init_table(sglist, max_segs); | |
455 | ||
456 | *sg_len = 0; | |
c8c8c1bd | 457 | while (sz) { |
64f7120d AH |
458 | base = page_address(mem->arr[--i].page); |
459 | cnt = 1 << mem->arr[i].order; | |
460 | while (sz && cnt) { | |
461 | addr = base + PAGE_SIZE * --cnt; | |
462 | if (last_addr && last_addr + PAGE_SIZE == addr) | |
463 | continue; | |
464 | last_addr = addr; | |
465 | len = PAGE_SIZE; | |
c8c8c1bd AH |
466 | if (len > max_seg_sz) |
467 | len = max_seg_sz; | |
468 | if (len > sz) | |
64f7120d AH |
469 | len = sz; |
470 | if (sg) | |
471 | sg = sg_next(sg); | |
472 | else | |
473 | sg = sglist; | |
474 | if (!sg) | |
475 | return -EINVAL; | |
476 | sg_set_page(sg, virt_to_page(addr), len, 0); | |
477 | sz -= len; | |
478 | *sg_len += 1; | |
479 | } | |
c8c8c1bd AH |
480 | if (i == 0) |
481 | i = mem->cnt; | |
64f7120d AH |
482 | } |
483 | ||
484 | if (sg) | |
485 | sg_mark_end(sg); | |
486 | ||
487 | return 0; | |
488 | } | |
489 | ||
490 | /* | |
491 | * Calculate transfer rate in bytes per second. | |
492 | */ | |
493 | static unsigned int mmc_test_rate(uint64_t bytes, struct timespec *ts) | |
494 | { | |
495 | uint64_t ns; | |
496 | ||
497 | ns = ts->tv_sec; | |
498 | ns *= 1000000000; | |
499 | ns += ts->tv_nsec; | |
500 | ||
501 | bytes *= 1000000000; | |
502 | ||
503 | while (ns > UINT_MAX) { | |
504 | bytes >>= 1; | |
505 | ns >>= 1; | |
506 | } | |
507 | ||
508 | if (!ns) | |
509 | return 0; | |
510 | ||
511 | do_div(bytes, (uint32_t)ns); | |
512 | ||
513 | return bytes; | |
514 | } | |
515 | ||
3183aa15 AS |
516 | /* |
517 | * Save transfer results for future usage | |
518 | */ | |
519 | static void mmc_test_save_transfer_result(struct mmc_test_card *test, | |
520 | unsigned int count, unsigned int sectors, struct timespec ts, | |
b6056d12 | 521 | unsigned int rate, unsigned int iops) |
3183aa15 AS |
522 | { |
523 | struct mmc_test_transfer_result *tr; | |
524 | ||
525 | if (!test->gr) | |
526 | return; | |
527 | ||
528 | tr = kmalloc(sizeof(struct mmc_test_transfer_result), GFP_KERNEL); | |
529 | if (!tr) | |
530 | return; | |
531 | ||
532 | tr->count = count; | |
533 | tr->sectors = sectors; | |
534 | tr->ts = ts; | |
535 | tr->rate = rate; | |
b6056d12 | 536 | tr->iops = iops; |
3183aa15 AS |
537 | |
538 | list_add_tail(&tr->link, &test->gr->tr_lst); | |
539 | } | |
540 | ||
64f7120d AH |
541 | /* |
542 | * Print the transfer rate. | |
543 | */ | |
544 | static void mmc_test_print_rate(struct mmc_test_card *test, uint64_t bytes, | |
545 | struct timespec *ts1, struct timespec *ts2) | |
546 | { | |
b6056d12 | 547 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
548 | struct timespec ts; |
549 | ||
550 | ts = timespec_sub(*ts2, *ts1); | |
551 | ||
552 | rate = mmc_test_rate(bytes, &ts); | |
b6056d12 | 553 | iops = mmc_test_rate(100, &ts); /* I/O ops per sec x 100 */ |
64f7120d AH |
554 | |
555 | printk(KERN_INFO "%s: Transfer of %u sectors (%u%s KiB) took %lu.%09lu " | |
b6056d12 | 556 | "seconds (%u kB/s, %u KiB/s, %u.%02u IOPS)\n", |
64f7120d | 557 | mmc_hostname(test->card->host), sectors, sectors >> 1, |
c27d37ae | 558 | (sectors & 1 ? ".5" : ""), (unsigned long)ts.tv_sec, |
b6056d12 AH |
559 | (unsigned long)ts.tv_nsec, rate / 1000, rate / 1024, |
560 | iops / 100, iops % 100); | |
3183aa15 | 561 | |
b6056d12 | 562 | mmc_test_save_transfer_result(test, 1, sectors, ts, rate, iops); |
64f7120d AH |
563 | } |
564 | ||
565 | /* | |
566 | * Print the average transfer rate. | |
567 | */ | |
568 | static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, | |
569 | unsigned int count, struct timespec *ts1, | |
570 | struct timespec *ts2) | |
571 | { | |
b6056d12 | 572 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
573 | uint64_t tot = bytes * count; |
574 | struct timespec ts; | |
575 | ||
576 | ts = timespec_sub(*ts2, *ts1); | |
577 | ||
578 | rate = mmc_test_rate(tot, &ts); | |
b6056d12 | 579 | iops = mmc_test_rate(count * 100, &ts); /* I/O ops per sec x 100 */ |
64f7120d AH |
580 | |
581 | printk(KERN_INFO "%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " | |
b6056d12 | 582 | "%lu.%09lu seconds (%u kB/s, %u KiB/s, " |
bf043330 | 583 | "%u.%02u IOPS, sg_len %d)\n", |
64f7120d | 584 | mmc_hostname(test->card->host), count, sectors, count, |
c27d37ae | 585 | sectors >> 1, (sectors & 1 ? ".5" : ""), |
64f7120d | 586 | (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, |
bf043330 PF |
587 | rate / 1000, rate / 1024, iops / 100, iops % 100, |
588 | test->area.sg_len); | |
3183aa15 | 589 | |
b6056d12 | 590 | mmc_test_save_transfer_result(test, count, sectors, ts, rate, iops); |
64f7120d AH |
591 | } |
592 | ||
593 | /* | |
594 | * Return the card size in sectors. | |
595 | */ | |
596 | static unsigned int mmc_test_capacity(struct mmc_card *card) | |
597 | { | |
598 | if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) | |
599 | return card->ext_csd.sectors; | |
600 | else | |
601 | return card->csd.capacity << (card->csd.read_blkbits - 9); | |
602 | } | |
603 | ||
6b174931 PO |
604 | /*******************************************************************/ |
605 | /* Test preparation and cleanup */ | |
606 | /*******************************************************************/ | |
607 | ||
608 | /* | |
609 | * Fill the first couple of sectors of the card with known data | |
610 | * so that bad reads/writes can be detected | |
611 | */ | |
612 | static int __mmc_test_prepare(struct mmc_test_card *test, int write) | |
88ae600d PO |
613 | { |
614 | int ret, i; | |
615 | ||
616 | ret = mmc_test_set_blksize(test, 512); | |
617 | if (ret) | |
618 | return ret; | |
619 | ||
620 | if (write) | |
6b174931 | 621 | memset(test->buffer, 0xDF, 512); |
88ae600d | 622 | else { |
6b174931 | 623 | for (i = 0;i < 512;i++) |
88ae600d PO |
624 | test->buffer[i] = i; |
625 | } | |
626 | ||
627 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 628 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
88ae600d PO |
629 | if (ret) |
630 | return ret; | |
631 | } | |
632 | ||
633 | return 0; | |
634 | } | |
635 | ||
6b174931 PO |
636 | static int mmc_test_prepare_write(struct mmc_test_card *test) |
637 | { | |
638 | return __mmc_test_prepare(test, 1); | |
639 | } | |
640 | ||
641 | static int mmc_test_prepare_read(struct mmc_test_card *test) | |
642 | { | |
643 | return __mmc_test_prepare(test, 0); | |
644 | } | |
645 | ||
646 | static int mmc_test_cleanup(struct mmc_test_card *test) | |
647 | { | |
648 | int ret, i; | |
649 | ||
650 | ret = mmc_test_set_blksize(test, 512); | |
651 | if (ret) | |
652 | return ret; | |
653 | ||
654 | memset(test->buffer, 0, 512); | |
655 | ||
656 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 657 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
6b174931 PO |
658 | if (ret) |
659 | return ret; | |
660 | } | |
661 | ||
662 | return 0; | |
663 | } | |
664 | ||
665 | /*******************************************************************/ | |
666 | /* Test execution helpers */ | |
667 | /*******************************************************************/ | |
668 | ||
669 | /* | |
670 | * Modifies the mmc_request to perform the "short transfer" tests | |
671 | */ | |
672 | static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, | |
673 | struct mmc_request *mrq, int write) | |
674 | { | |
675 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
676 | ||
677 | if (mrq->data->blocks > 1) { | |
678 | mrq->cmd->opcode = write ? | |
679 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
680 | mrq->stop = NULL; | |
681 | } else { | |
682 | mrq->cmd->opcode = MMC_SEND_STATUS; | |
683 | mrq->cmd->arg = test->card->rca << 16; | |
684 | } | |
685 | } | |
686 | ||
687 | /* | |
688 | * Checks that a normal transfer didn't have any errors | |
689 | */ | |
690 | static int mmc_test_check_result(struct mmc_test_card *test, | |
9f9c4180 | 691 | struct mmc_request *mrq) |
88ae600d | 692 | { |
6b174931 PO |
693 | int ret; |
694 | ||
695 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
696 | ||
697 | ret = 0; | |
698 | ||
699 | if (!ret && mrq->cmd->error) | |
700 | ret = mrq->cmd->error; | |
701 | if (!ret && mrq->data->error) | |
702 | ret = mrq->data->error; | |
703 | if (!ret && mrq->stop && mrq->stop->error) | |
704 | ret = mrq->stop->error; | |
705 | if (!ret && mrq->data->bytes_xfered != | |
706 | mrq->data->blocks * mrq->data->blksz) | |
707 | ret = RESULT_FAIL; | |
708 | ||
709 | if (ret == -EINVAL) | |
710 | ret = RESULT_UNSUP_HOST; | |
711 | ||
712 | return ret; | |
88ae600d PO |
713 | } |
714 | ||
9f9c4180 PF |
715 | static int mmc_test_check_result_async(struct mmc_card *card, |
716 | struct mmc_async_req *areq) | |
717 | { | |
718 | struct mmc_test_async_req *test_async = | |
719 | container_of(areq, struct mmc_test_async_req, areq); | |
720 | ||
721 | mmc_test_wait_busy(test_async->test); | |
722 | ||
723 | return mmc_test_check_result(test_async->test, areq->mrq); | |
724 | } | |
725 | ||
6b174931 PO |
726 | /* |
727 | * Checks that a "short transfer" behaved as expected | |
728 | */ | |
729 | static int mmc_test_check_broken_result(struct mmc_test_card *test, | |
730 | struct mmc_request *mrq) | |
88ae600d | 731 | { |
6b174931 PO |
732 | int ret; |
733 | ||
734 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
735 | ||
736 | ret = 0; | |
737 | ||
738 | if (!ret && mrq->cmd->error) | |
739 | ret = mrq->cmd->error; | |
740 | if (!ret && mrq->data->error == 0) | |
741 | ret = RESULT_FAIL; | |
742 | if (!ret && mrq->data->error != -ETIMEDOUT) | |
743 | ret = mrq->data->error; | |
744 | if (!ret && mrq->stop && mrq->stop->error) | |
745 | ret = mrq->stop->error; | |
746 | if (mrq->data->blocks > 1) { | |
747 | if (!ret && mrq->data->bytes_xfered > mrq->data->blksz) | |
748 | ret = RESULT_FAIL; | |
749 | } else { | |
750 | if (!ret && mrq->data->bytes_xfered > 0) | |
751 | ret = RESULT_FAIL; | |
752 | } | |
753 | ||
754 | if (ret == -EINVAL) | |
755 | ret = RESULT_UNSUP_HOST; | |
756 | ||
757 | return ret; | |
88ae600d PO |
758 | } |
759 | ||
9f9c4180 PF |
760 | /* |
761 | * Tests nonblock transfer with certain parameters | |
762 | */ | |
763 | static void mmc_test_nonblock_reset(struct mmc_request *mrq, | |
764 | struct mmc_command *cmd, | |
765 | struct mmc_command *stop, | |
766 | struct mmc_data *data) | |
767 | { | |
768 | memset(mrq, 0, sizeof(struct mmc_request)); | |
769 | memset(cmd, 0, sizeof(struct mmc_command)); | |
770 | memset(data, 0, sizeof(struct mmc_data)); | |
771 | memset(stop, 0, sizeof(struct mmc_command)); | |
772 | ||
773 | mrq->cmd = cmd; | |
774 | mrq->data = data; | |
775 | mrq->stop = stop; | |
776 | } | |
777 | static int mmc_test_nonblock_transfer(struct mmc_test_card *test, | |
778 | struct scatterlist *sg, unsigned sg_len, | |
779 | unsigned dev_addr, unsigned blocks, | |
780 | unsigned blksz, int write, int count) | |
781 | { | |
782 | struct mmc_request mrq1; | |
783 | struct mmc_command cmd1; | |
784 | struct mmc_command stop1; | |
785 | struct mmc_data data1; | |
786 | ||
787 | struct mmc_request mrq2; | |
788 | struct mmc_command cmd2; | |
789 | struct mmc_command stop2; | |
790 | struct mmc_data data2; | |
791 | ||
792 | struct mmc_test_async_req test_areq[2]; | |
793 | struct mmc_async_req *done_areq; | |
794 | struct mmc_async_req *cur_areq = &test_areq[0].areq; | |
795 | struct mmc_async_req *other_areq = &test_areq[1].areq; | |
796 | int i; | |
797 | int ret; | |
798 | ||
799 | test_areq[0].test = test; | |
800 | test_areq[1].test = test; | |
801 | ||
802 | mmc_test_nonblock_reset(&mrq1, &cmd1, &stop1, &data1); | |
803 | mmc_test_nonblock_reset(&mrq2, &cmd2, &stop2, &data2); | |
804 | ||
805 | cur_areq->mrq = &mrq1; | |
806 | cur_areq->err_check = mmc_test_check_result_async; | |
807 | other_areq->mrq = &mrq2; | |
808 | other_areq->err_check = mmc_test_check_result_async; | |
809 | ||
810 | for (i = 0; i < count; i++) { | |
811 | mmc_test_prepare_mrq(test, cur_areq->mrq, sg, sg_len, dev_addr, | |
812 | blocks, blksz, write); | |
813 | done_areq = mmc_start_req(test->card->host, cur_areq, &ret); | |
814 | ||
815 | if (ret || (!done_areq && i > 0)) | |
816 | goto err; | |
817 | ||
818 | if (done_areq) { | |
819 | if (done_areq->mrq == &mrq2) | |
820 | mmc_test_nonblock_reset(&mrq2, &cmd2, | |
821 | &stop2, &data2); | |
822 | else | |
823 | mmc_test_nonblock_reset(&mrq1, &cmd1, | |
824 | &stop1, &data1); | |
825 | } | |
826 | done_areq = cur_areq; | |
827 | cur_areq = other_areq; | |
828 | other_areq = done_areq; | |
829 | dev_addr += blocks; | |
830 | } | |
831 | ||
832 | done_areq = mmc_start_req(test->card->host, NULL, &ret); | |
833 | ||
834 | return ret; | |
835 | err: | |
836 | return ret; | |
837 | } | |
838 | ||
6b174931 PO |
839 | /* |
840 | * Tests a basic transfer with certain parameters | |
841 | */ | |
842 | static int mmc_test_simple_transfer(struct mmc_test_card *test, | |
843 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
844 | unsigned blocks, unsigned blksz, int write) | |
88ae600d | 845 | { |
24f5b53b | 846 | struct mmc_request mrq = {0}; |
1278dba1 CB |
847 | struct mmc_command cmd = {0}; |
848 | struct mmc_command stop = {0}; | |
a61ad2b4 | 849 | struct mmc_data data = {0}; |
88ae600d | 850 | |
6b174931 PO |
851 | mrq.cmd = &cmd; |
852 | mrq.data = &data; | |
853 | mrq.stop = &stop; | |
854 | ||
855 | mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr, | |
856 | blocks, blksz, write); | |
857 | ||
858 | mmc_wait_for_req(test->card->host, &mrq); | |
88ae600d | 859 | |
6b174931 PO |
860 | mmc_test_wait_busy(test); |
861 | ||
862 | return mmc_test_check_result(test, &mrq); | |
863 | } | |
864 | ||
865 | /* | |
866 | * Tests a transfer where the card will fail completely or partly | |
867 | */ | |
868 | static int mmc_test_broken_transfer(struct mmc_test_card *test, | |
869 | unsigned blocks, unsigned blksz, int write) | |
870 | { | |
24f5b53b | 871 | struct mmc_request mrq = {0}; |
1278dba1 CB |
872 | struct mmc_command cmd = {0}; |
873 | struct mmc_command stop = {0}; | |
a61ad2b4 | 874 | struct mmc_data data = {0}; |
6b174931 PO |
875 | |
876 | struct scatterlist sg; | |
877 | ||
6b174931 PO |
878 | mrq.cmd = &cmd; |
879 | mrq.data = &data; | |
880 | mrq.stop = &stop; | |
881 | ||
882 | sg_init_one(&sg, test->buffer, blocks * blksz); | |
883 | ||
884 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write); | |
885 | mmc_test_prepare_broken_mrq(test, &mrq, write); | |
886 | ||
887 | mmc_wait_for_req(test->card->host, &mrq); | |
888 | ||
889 | mmc_test_wait_busy(test); | |
890 | ||
891 | return mmc_test_check_broken_result(test, &mrq); | |
892 | } | |
893 | ||
894 | /* | |
895 | * Does a complete transfer test where data is also validated | |
896 | * | |
897 | * Note: mmc_test_prepare() must have been done before this call | |
898 | */ | |
899 | static int mmc_test_transfer(struct mmc_test_card *test, | |
900 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
901 | unsigned blocks, unsigned blksz, int write) | |
902 | { | |
903 | int ret, i; | |
904 | unsigned long flags; | |
88ae600d PO |
905 | |
906 | if (write) { | |
907 | for (i = 0;i < blocks * blksz;i++) | |
6b174931 PO |
908 | test->scratch[i] = i; |
909 | } else { | |
b7ac2cf1 | 910 | memset(test->scratch, 0, BUFFER_SIZE); |
88ae600d | 911 | } |
6b174931 | 912 | local_irq_save(flags); |
b7ac2cf1 | 913 | sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 914 | local_irq_restore(flags); |
88ae600d PO |
915 | |
916 | ret = mmc_test_set_blksize(test, blksz); | |
917 | if (ret) | |
918 | return ret; | |
919 | ||
6b174931 PO |
920 | ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr, |
921 | blocks, blksz, write); | |
88ae600d PO |
922 | if (ret) |
923 | return ret; | |
924 | ||
925 | if (write) { | |
6b174931 PO |
926 | int sectors; |
927 | ||
88ae600d PO |
928 | ret = mmc_test_set_blksize(test, 512); |
929 | if (ret) | |
930 | return ret; | |
931 | ||
932 | sectors = (blocks * blksz + 511) / 512; | |
933 | if ((sectors * 512) == (blocks * blksz)) | |
934 | sectors++; | |
935 | ||
936 | if ((sectors * 512) > BUFFER_SIZE) | |
937 | return -EINVAL; | |
938 | ||
939 | memset(test->buffer, 0, sectors * 512); | |
940 | ||
941 | for (i = 0;i < sectors;i++) { | |
6b174931 | 942 | ret = mmc_test_buffer_transfer(test, |
88ae600d | 943 | test->buffer + i * 512, |
c286d03c | 944 | dev_addr + i, 512, 0); |
88ae600d PO |
945 | if (ret) |
946 | return ret; | |
947 | } | |
948 | ||
949 | for (i = 0;i < blocks * blksz;i++) { | |
950 | if (test->buffer[i] != (u8)i) | |
951 | return RESULT_FAIL; | |
952 | } | |
953 | ||
954 | for (;i < sectors * 512;i++) { | |
955 | if (test->buffer[i] != 0xDF) | |
956 | return RESULT_FAIL; | |
957 | } | |
958 | } else { | |
6b174931 | 959 | local_irq_save(flags); |
b7ac2cf1 | 960 | sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 961 | local_irq_restore(flags); |
88ae600d | 962 | for (i = 0;i < blocks * blksz;i++) { |
6b174931 | 963 | if (test->scratch[i] != (u8)i) |
88ae600d PO |
964 | return RESULT_FAIL; |
965 | } | |
966 | } | |
967 | ||
968 | return 0; | |
969 | } | |
970 | ||
88ae600d PO |
971 | /*******************************************************************/ |
972 | /* Tests */ | |
973 | /*******************************************************************/ | |
974 | ||
975 | struct mmc_test_case { | |
976 | const char *name; | |
977 | ||
978 | int (*prepare)(struct mmc_test_card *); | |
979 | int (*run)(struct mmc_test_card *); | |
980 | int (*cleanup)(struct mmc_test_card *); | |
981 | }; | |
982 | ||
983 | static int mmc_test_basic_write(struct mmc_test_card *test) | |
984 | { | |
985 | int ret; | |
6b174931 | 986 | struct scatterlist sg; |
88ae600d PO |
987 | |
988 | ret = mmc_test_set_blksize(test, 512); | |
989 | if (ret) | |
990 | return ret; | |
991 | ||
6b174931 PO |
992 | sg_init_one(&sg, test->buffer, 512); |
993 | ||
994 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
995 | if (ret) |
996 | return ret; | |
997 | ||
998 | return 0; | |
999 | } | |
1000 | ||
1001 | static int mmc_test_basic_read(struct mmc_test_card *test) | |
1002 | { | |
1003 | int ret; | |
6b174931 | 1004 | struct scatterlist sg; |
88ae600d PO |
1005 | |
1006 | ret = mmc_test_set_blksize(test, 512); | |
1007 | if (ret) | |
1008 | return ret; | |
1009 | ||
6b174931 PO |
1010 | sg_init_one(&sg, test->buffer, 512); |
1011 | ||
58a5dd3e | 1012 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
1013 | if (ret) |
1014 | return ret; | |
1015 | ||
1016 | return 0; | |
1017 | } | |
1018 | ||
1019 | static int mmc_test_verify_write(struct mmc_test_card *test) | |
1020 | { | |
1021 | int ret; | |
6b174931 PO |
1022 | struct scatterlist sg; |
1023 | ||
1024 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 1025 | |
6b174931 | 1026 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
88ae600d PO |
1027 | if (ret) |
1028 | return ret; | |
1029 | ||
1030 | return 0; | |
1031 | } | |
1032 | ||
1033 | static int mmc_test_verify_read(struct mmc_test_card *test) | |
1034 | { | |
1035 | int ret; | |
6b174931 PO |
1036 | struct scatterlist sg; |
1037 | ||
1038 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 1039 | |
6b174931 | 1040 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
1041 | if (ret) |
1042 | return ret; | |
1043 | ||
1044 | return 0; | |
1045 | } | |
1046 | ||
1047 | static int mmc_test_multi_write(struct mmc_test_card *test) | |
1048 | { | |
1049 | int ret; | |
1050 | unsigned int size; | |
6b174931 | 1051 | struct scatterlist sg; |
88ae600d PO |
1052 | |
1053 | if (test->card->host->max_blk_count == 1) | |
1054 | return RESULT_UNSUP_HOST; | |
1055 | ||
1056 | size = PAGE_SIZE * 2; | |
1057 | size = min(size, test->card->host->max_req_size); | |
1058 | size = min(size, test->card->host->max_seg_size); | |
1059 | size = min(size, test->card->host->max_blk_count * 512); | |
1060 | ||
1061 | if (size < 1024) | |
1062 | return RESULT_UNSUP_HOST; | |
1063 | ||
6b174931 PO |
1064 | sg_init_one(&sg, test->buffer, size); |
1065 | ||
1066 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1067 | if (ret) |
1068 | return ret; | |
1069 | ||
1070 | return 0; | |
1071 | } | |
1072 | ||
1073 | static int mmc_test_multi_read(struct mmc_test_card *test) | |
1074 | { | |
1075 | int ret; | |
1076 | unsigned int size; | |
6b174931 | 1077 | struct scatterlist sg; |
88ae600d PO |
1078 | |
1079 | if (test->card->host->max_blk_count == 1) | |
1080 | return RESULT_UNSUP_HOST; | |
1081 | ||
1082 | size = PAGE_SIZE * 2; | |
1083 | size = min(size, test->card->host->max_req_size); | |
1084 | size = min(size, test->card->host->max_seg_size); | |
1085 | size = min(size, test->card->host->max_blk_count * 512); | |
1086 | ||
1087 | if (size < 1024) | |
1088 | return RESULT_UNSUP_HOST; | |
1089 | ||
6b174931 PO |
1090 | sg_init_one(&sg, test->buffer, size); |
1091 | ||
1092 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1093 | if (ret) |
1094 | return ret; | |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | static int mmc_test_pow2_write(struct mmc_test_card *test) | |
1100 | { | |
1101 | int ret, i; | |
6b174931 | 1102 | struct scatterlist sg; |
88ae600d PO |
1103 | |
1104 | if (!test->card->csd.write_partial) | |
1105 | return RESULT_UNSUP_CARD; | |
1106 | ||
1107 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1108 | sg_init_one(&sg, test->buffer, i); |
1109 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1110 | if (ret) |
1111 | return ret; | |
1112 | } | |
1113 | ||
1114 | return 0; | |
1115 | } | |
1116 | ||
1117 | static int mmc_test_pow2_read(struct mmc_test_card *test) | |
1118 | { | |
1119 | int ret, i; | |
6b174931 | 1120 | struct scatterlist sg; |
88ae600d PO |
1121 | |
1122 | if (!test->card->csd.read_partial) | |
1123 | return RESULT_UNSUP_CARD; | |
1124 | ||
1125 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1126 | sg_init_one(&sg, test->buffer, i); |
1127 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1128 | if (ret) |
1129 | return ret; | |
1130 | } | |
1131 | ||
1132 | return 0; | |
1133 | } | |
1134 | ||
1135 | static int mmc_test_weird_write(struct mmc_test_card *test) | |
1136 | { | |
1137 | int ret, i; | |
6b174931 | 1138 | struct scatterlist sg; |
88ae600d PO |
1139 | |
1140 | if (!test->card->csd.write_partial) | |
1141 | return RESULT_UNSUP_CARD; | |
1142 | ||
1143 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1144 | sg_init_one(&sg, test->buffer, i); |
1145 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1146 | if (ret) |
1147 | return ret; | |
1148 | } | |
1149 | ||
1150 | return 0; | |
1151 | } | |
1152 | ||
1153 | static int mmc_test_weird_read(struct mmc_test_card *test) | |
1154 | { | |
1155 | int ret, i; | |
6b174931 | 1156 | struct scatterlist sg; |
88ae600d PO |
1157 | |
1158 | if (!test->card->csd.read_partial) | |
1159 | return RESULT_UNSUP_CARD; | |
1160 | ||
1161 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1162 | sg_init_one(&sg, test->buffer, i); |
1163 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1164 | if (ret) |
1165 | return ret; | |
1166 | } | |
1167 | ||
1168 | return 0; | |
1169 | } | |
1170 | ||
1171 | static int mmc_test_align_write(struct mmc_test_card *test) | |
1172 | { | |
1173 | int ret, i; | |
6b174931 | 1174 | struct scatterlist sg; |
88ae600d PO |
1175 | |
1176 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1177 | sg_init_one(&sg, test->buffer + i, 512); |
1178 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
1179 | if (ret) |
1180 | return ret; | |
1181 | } | |
1182 | ||
1183 | return 0; | |
1184 | } | |
1185 | ||
1186 | static int mmc_test_align_read(struct mmc_test_card *test) | |
1187 | { | |
1188 | int ret, i; | |
6b174931 | 1189 | struct scatterlist sg; |
88ae600d PO |
1190 | |
1191 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1192 | sg_init_one(&sg, test->buffer + i, 512); |
1193 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
88ae600d PO |
1194 | if (ret) |
1195 | return ret; | |
1196 | } | |
1197 | ||
1198 | return 0; | |
1199 | } | |
1200 | ||
1201 | static int mmc_test_align_multi_write(struct mmc_test_card *test) | |
1202 | { | |
1203 | int ret, i; | |
1204 | unsigned int size; | |
6b174931 | 1205 | struct scatterlist sg; |
88ae600d PO |
1206 | |
1207 | if (test->card->host->max_blk_count == 1) | |
1208 | return RESULT_UNSUP_HOST; | |
1209 | ||
1210 | size = PAGE_SIZE * 2; | |
1211 | size = min(size, test->card->host->max_req_size); | |
1212 | size = min(size, test->card->host->max_seg_size); | |
1213 | size = min(size, test->card->host->max_blk_count * 512); | |
1214 | ||
1215 | if (size < 1024) | |
1216 | return RESULT_UNSUP_HOST; | |
1217 | ||
1218 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1219 | sg_init_one(&sg, test->buffer + i, size); |
1220 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1221 | if (ret) |
1222 | return ret; | |
1223 | } | |
1224 | ||
1225 | return 0; | |
1226 | } | |
1227 | ||
1228 | static int mmc_test_align_multi_read(struct mmc_test_card *test) | |
1229 | { | |
1230 | int ret, i; | |
1231 | unsigned int size; | |
6b174931 | 1232 | struct scatterlist sg; |
88ae600d PO |
1233 | |
1234 | if (test->card->host->max_blk_count == 1) | |
1235 | return RESULT_UNSUP_HOST; | |
1236 | ||
1237 | size = PAGE_SIZE * 2; | |
1238 | size = min(size, test->card->host->max_req_size); | |
1239 | size = min(size, test->card->host->max_seg_size); | |
1240 | size = min(size, test->card->host->max_blk_count * 512); | |
1241 | ||
1242 | if (size < 1024) | |
1243 | return RESULT_UNSUP_HOST; | |
1244 | ||
1245 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1246 | sg_init_one(&sg, test->buffer + i, size); |
1247 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1248 | if (ret) |
1249 | return ret; | |
1250 | } | |
1251 | ||
1252 | return 0; | |
1253 | } | |
1254 | ||
1255 | static int mmc_test_xfersize_write(struct mmc_test_card *test) | |
1256 | { | |
1257 | int ret; | |
1258 | ||
1259 | ret = mmc_test_set_blksize(test, 512); | |
1260 | if (ret) | |
1261 | return ret; | |
1262 | ||
6b174931 | 1263 | ret = mmc_test_broken_transfer(test, 1, 512, 1); |
88ae600d PO |
1264 | if (ret) |
1265 | return ret; | |
1266 | ||
1267 | return 0; | |
1268 | } | |
1269 | ||
1270 | static int mmc_test_xfersize_read(struct mmc_test_card *test) | |
1271 | { | |
1272 | int ret; | |
1273 | ||
1274 | ret = mmc_test_set_blksize(test, 512); | |
1275 | if (ret) | |
1276 | return ret; | |
1277 | ||
6b174931 | 1278 | ret = mmc_test_broken_transfer(test, 1, 512, 0); |
88ae600d PO |
1279 | if (ret) |
1280 | return ret; | |
1281 | ||
1282 | return 0; | |
1283 | } | |
1284 | ||
1285 | static int mmc_test_multi_xfersize_write(struct mmc_test_card *test) | |
1286 | { | |
1287 | int ret; | |
1288 | ||
1289 | if (test->card->host->max_blk_count == 1) | |
1290 | return RESULT_UNSUP_HOST; | |
1291 | ||
1292 | ret = mmc_test_set_blksize(test, 512); | |
1293 | if (ret) | |
1294 | return ret; | |
1295 | ||
6b174931 | 1296 | ret = mmc_test_broken_transfer(test, 2, 512, 1); |
88ae600d PO |
1297 | if (ret) |
1298 | return ret; | |
1299 | ||
1300 | return 0; | |
1301 | } | |
1302 | ||
1303 | static int mmc_test_multi_xfersize_read(struct mmc_test_card *test) | |
1304 | { | |
1305 | int ret; | |
1306 | ||
1307 | if (test->card->host->max_blk_count == 1) | |
1308 | return RESULT_UNSUP_HOST; | |
1309 | ||
1310 | ret = mmc_test_set_blksize(test, 512); | |
1311 | if (ret) | |
1312 | return ret; | |
1313 | ||
6b174931 | 1314 | ret = mmc_test_broken_transfer(test, 2, 512, 0); |
88ae600d PO |
1315 | if (ret) |
1316 | return ret; | |
1317 | ||
1318 | return 0; | |
1319 | } | |
1320 | ||
2661081f PO |
1321 | #ifdef CONFIG_HIGHMEM |
1322 | ||
1323 | static int mmc_test_write_high(struct mmc_test_card *test) | |
1324 | { | |
1325 | int ret; | |
1326 | struct scatterlist sg; | |
1327 | ||
1328 | sg_init_table(&sg, 1); | |
1329 | sg_set_page(&sg, test->highmem, 512, 0); | |
1330 | ||
1331 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
1332 | if (ret) | |
1333 | return ret; | |
1334 | ||
1335 | return 0; | |
1336 | } | |
1337 | ||
1338 | static int mmc_test_read_high(struct mmc_test_card *test) | |
1339 | { | |
1340 | int ret; | |
1341 | struct scatterlist sg; | |
1342 | ||
1343 | sg_init_table(&sg, 1); | |
1344 | sg_set_page(&sg, test->highmem, 512, 0); | |
1345 | ||
1346 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
1347 | if (ret) | |
1348 | return ret; | |
1349 | ||
1350 | return 0; | |
1351 | } | |
1352 | ||
1353 | static int mmc_test_multi_write_high(struct mmc_test_card *test) | |
1354 | { | |
1355 | int ret; | |
1356 | unsigned int size; | |
1357 | struct scatterlist sg; | |
1358 | ||
1359 | if (test->card->host->max_blk_count == 1) | |
1360 | return RESULT_UNSUP_HOST; | |
1361 | ||
1362 | size = PAGE_SIZE * 2; | |
1363 | size = min(size, test->card->host->max_req_size); | |
1364 | size = min(size, test->card->host->max_seg_size); | |
1365 | size = min(size, test->card->host->max_blk_count * 512); | |
1366 | ||
1367 | if (size < 1024) | |
1368 | return RESULT_UNSUP_HOST; | |
1369 | ||
1370 | sg_init_table(&sg, 1); | |
1371 | sg_set_page(&sg, test->highmem, size, 0); | |
1372 | ||
1373 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
1374 | if (ret) | |
1375 | return ret; | |
1376 | ||
1377 | return 0; | |
1378 | } | |
1379 | ||
1380 | static int mmc_test_multi_read_high(struct mmc_test_card *test) | |
1381 | { | |
1382 | int ret; | |
1383 | unsigned int size; | |
1384 | struct scatterlist sg; | |
1385 | ||
1386 | if (test->card->host->max_blk_count == 1) | |
1387 | return RESULT_UNSUP_HOST; | |
1388 | ||
1389 | size = PAGE_SIZE * 2; | |
1390 | size = min(size, test->card->host->max_req_size); | |
1391 | size = min(size, test->card->host->max_seg_size); | |
1392 | size = min(size, test->card->host->max_blk_count * 512); | |
1393 | ||
1394 | if (size < 1024) | |
1395 | return RESULT_UNSUP_HOST; | |
1396 | ||
1397 | sg_init_table(&sg, 1); | |
1398 | sg_set_page(&sg, test->highmem, size, 0); | |
1399 | ||
1400 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
1401 | if (ret) | |
1402 | return ret; | |
1403 | ||
1404 | return 0; | |
1405 | } | |
1406 | ||
64f7120d AH |
1407 | #else |
1408 | ||
1409 | static int mmc_test_no_highmem(struct mmc_test_card *test) | |
1410 | { | |
1411 | printk(KERN_INFO "%s: Highmem not configured - test skipped\n", | |
1412 | mmc_hostname(test->card->host)); | |
1413 | return 0; | |
1414 | } | |
1415 | ||
2661081f PO |
1416 | #endif /* CONFIG_HIGHMEM */ |
1417 | ||
64f7120d AH |
1418 | /* |
1419 | * Map sz bytes so that it can be transferred. | |
1420 | */ | |
fec4dcce | 1421 | static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, |
bf043330 | 1422 | int max_scatter, int min_sg_len) |
64f7120d AH |
1423 | { |
1424 | struct mmc_test_area *t = &test->area; | |
c8c8c1bd | 1425 | int err; |
64f7120d AH |
1426 | |
1427 | t->blocks = sz >> 9; | |
1428 | ||
1429 | if (max_scatter) { | |
c8c8c1bd AH |
1430 | err = mmc_test_map_sg_max_scatter(t->mem, sz, t->sg, |
1431 | t->max_segs, t->max_seg_sz, | |
64f7120d | 1432 | &t->sg_len); |
c8c8c1bd AH |
1433 | } else { |
1434 | err = mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, | |
bf043330 | 1435 | t->max_seg_sz, &t->sg_len, min_sg_len); |
64f7120d | 1436 | } |
c8c8c1bd AH |
1437 | if (err) |
1438 | printk(KERN_INFO "%s: Failed to map sg list\n", | |
1439 | mmc_hostname(test->card->host)); | |
1440 | return err; | |
64f7120d AH |
1441 | } |
1442 | ||
1443 | /* | |
1444 | * Transfer bytes mapped by mmc_test_area_map(). | |
1445 | */ | |
1446 | static int mmc_test_area_transfer(struct mmc_test_card *test, | |
1447 | unsigned int dev_addr, int write) | |
1448 | { | |
1449 | struct mmc_test_area *t = &test->area; | |
1450 | ||
1451 | return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr, | |
1452 | t->blocks, 512, write); | |
1453 | } | |
1454 | ||
1455 | /* | |
9f9c4180 | 1456 | * Map and transfer bytes for multiple transfers. |
64f7120d | 1457 | */ |
9f9c4180 PF |
1458 | static int mmc_test_area_io_seq(struct mmc_test_card *test, unsigned long sz, |
1459 | unsigned int dev_addr, int write, | |
1460 | int max_scatter, int timed, int count, | |
bf043330 | 1461 | bool nonblock, int min_sg_len) |
64f7120d AH |
1462 | { |
1463 | struct timespec ts1, ts2; | |
9f9c4180 PF |
1464 | int ret = 0; |
1465 | int i; | |
1466 | struct mmc_test_area *t = &test->area; | |
64f7120d | 1467 | |
c8c8c1bd AH |
1468 | /* |
1469 | * In the case of a maximally scattered transfer, the maximum transfer | |
1470 | * size is further limited by using PAGE_SIZE segments. | |
1471 | */ | |
1472 | if (max_scatter) { | |
1473 | struct mmc_test_area *t = &test->area; | |
1474 | unsigned long max_tfr; | |
1475 | ||
1476 | if (t->max_seg_sz >= PAGE_SIZE) | |
1477 | max_tfr = t->max_segs * PAGE_SIZE; | |
1478 | else | |
1479 | max_tfr = t->max_segs * t->max_seg_sz; | |
1480 | if (sz > max_tfr) | |
1481 | sz = max_tfr; | |
1482 | } | |
1483 | ||
bf043330 | 1484 | ret = mmc_test_area_map(test, sz, max_scatter, min_sg_len); |
64f7120d AH |
1485 | if (ret) |
1486 | return ret; | |
1487 | ||
1488 | if (timed) | |
1489 | getnstimeofday(&ts1); | |
9f9c4180 PF |
1490 | if (nonblock) |
1491 | ret = mmc_test_nonblock_transfer(test, t->sg, t->sg_len, | |
1492 | dev_addr, t->blocks, 512, write, count); | |
1493 | else | |
1494 | for (i = 0; i < count && ret == 0; i++) { | |
1495 | ret = mmc_test_area_transfer(test, dev_addr, write); | |
1496 | dev_addr += sz >> 9; | |
1497 | } | |
64f7120d | 1498 | |
64f7120d AH |
1499 | if (ret) |
1500 | return ret; | |
1501 | ||
1502 | if (timed) | |
1503 | getnstimeofday(&ts2); | |
1504 | ||
1505 | if (timed) | |
9f9c4180 | 1506 | mmc_test_print_avg_rate(test, sz, count, &ts1, &ts2); |
64f7120d AH |
1507 | |
1508 | return 0; | |
1509 | } | |
1510 | ||
9f9c4180 PF |
1511 | static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, |
1512 | unsigned int dev_addr, int write, int max_scatter, | |
1513 | int timed) | |
1514 | { | |
1515 | return mmc_test_area_io_seq(test, sz, dev_addr, write, max_scatter, | |
bf043330 | 1516 | timed, 1, false, 0); |
9f9c4180 PF |
1517 | } |
1518 | ||
64f7120d AH |
1519 | /* |
1520 | * Write the test area entirely. | |
1521 | */ | |
1522 | static int mmc_test_area_fill(struct mmc_test_card *test) | |
1523 | { | |
253d6a28 AS |
1524 | struct mmc_test_area *t = &test->area; |
1525 | ||
1526 | return mmc_test_area_io(test, t->max_tfr, t->dev_addr, 1, 0, 0); | |
64f7120d AH |
1527 | } |
1528 | ||
1529 | /* | |
1530 | * Erase the test area entirely. | |
1531 | */ | |
1532 | static int mmc_test_area_erase(struct mmc_test_card *test) | |
1533 | { | |
1534 | struct mmc_test_area *t = &test->area; | |
1535 | ||
1536 | if (!mmc_can_erase(test->card)) | |
1537 | return 0; | |
1538 | ||
253d6a28 | 1539 | return mmc_erase(test->card, t->dev_addr, t->max_sz >> 9, |
64f7120d AH |
1540 | MMC_ERASE_ARG); |
1541 | } | |
1542 | ||
1543 | /* | |
1544 | * Cleanup struct mmc_test_area. | |
1545 | */ | |
1546 | static int mmc_test_area_cleanup(struct mmc_test_card *test) | |
1547 | { | |
1548 | struct mmc_test_area *t = &test->area; | |
1549 | ||
1550 | kfree(t->sg); | |
1551 | mmc_test_free_mem(t->mem); | |
1552 | ||
1553 | return 0; | |
1554 | } | |
1555 | ||
1556 | /* | |
0532ff63 AH |
1557 | * Initialize an area for testing large transfers. The test area is set to the |
1558 | * middle of the card because cards may have different charateristics at the | |
1559 | * front (for FAT file system optimization). Optionally, the area is erased | |
1560 | * (if the card supports it) which may improve write performance. Optionally, | |
1561 | * the area is filled with data for subsequent read tests. | |
64f7120d AH |
1562 | */ |
1563 | static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill) | |
1564 | { | |
1565 | struct mmc_test_area *t = &test->area; | |
0532ff63 | 1566 | unsigned long min_sz = 64 * 1024, sz; |
64f7120d AH |
1567 | int ret; |
1568 | ||
1569 | ret = mmc_test_set_blksize(test, 512); | |
1570 | if (ret) | |
1571 | return ret; | |
1572 | ||
0532ff63 AH |
1573 | /* Make the test area size about 4MiB */ |
1574 | sz = (unsigned long)test->card->pref_erase << 9; | |
1575 | t->max_sz = sz; | |
1576 | while (t->max_sz < 4 * 1024 * 1024) | |
1577 | t->max_sz += sz; | |
1578 | while (t->max_sz > TEST_AREA_MAX_SIZE && t->max_sz > sz) | |
1579 | t->max_sz -= sz; | |
c8c8c1bd AH |
1580 | |
1581 | t->max_segs = test->card->host->max_segs; | |
1582 | t->max_seg_sz = test->card->host->max_seg_size; | |
1583 | ||
1584 | t->max_tfr = t->max_sz; | |
1585 | if (t->max_tfr >> 9 > test->card->host->max_blk_count) | |
1586 | t->max_tfr = test->card->host->max_blk_count << 9; | |
1587 | if (t->max_tfr > test->card->host->max_req_size) | |
1588 | t->max_tfr = test->card->host->max_req_size; | |
1589 | if (t->max_tfr / t->max_seg_sz > t->max_segs) | |
1590 | t->max_tfr = t->max_segs * t->max_seg_sz; | |
1591 | ||
64f7120d | 1592 | /* |
3d203be8 | 1593 | * Try to allocate enough memory for a max. sized transfer. Less is OK |
64f7120d | 1594 | * because the same memory can be mapped into the scatterlist more than |
c8c8c1bd AH |
1595 | * once. Also, take into account the limits imposed on scatterlist |
1596 | * segments by the host driver. | |
64f7120d | 1597 | */ |
3d203be8 | 1598 | t->mem = mmc_test_alloc_mem(min_sz, t->max_tfr, t->max_segs, |
c8c8c1bd | 1599 | t->max_seg_sz); |
64f7120d AH |
1600 | if (!t->mem) |
1601 | return -ENOMEM; | |
1602 | ||
64f7120d AH |
1603 | t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL); |
1604 | if (!t->sg) { | |
1605 | ret = -ENOMEM; | |
1606 | goto out_free; | |
1607 | } | |
1608 | ||
1609 | t->dev_addr = mmc_test_capacity(test->card) / 2; | |
1610 | t->dev_addr -= t->dev_addr % (t->max_sz >> 9); | |
1611 | ||
1612 | if (erase) { | |
1613 | ret = mmc_test_area_erase(test); | |
1614 | if (ret) | |
1615 | goto out_free; | |
1616 | } | |
1617 | ||
1618 | if (fill) { | |
1619 | ret = mmc_test_area_fill(test); | |
1620 | if (ret) | |
1621 | goto out_free; | |
1622 | } | |
1623 | ||
1624 | return 0; | |
1625 | ||
1626 | out_free: | |
1627 | mmc_test_area_cleanup(test); | |
1628 | return ret; | |
1629 | } | |
1630 | ||
1631 | /* | |
1632 | * Prepare for large transfers. Do not erase the test area. | |
1633 | */ | |
1634 | static int mmc_test_area_prepare(struct mmc_test_card *test) | |
1635 | { | |
1636 | return mmc_test_area_init(test, 0, 0); | |
1637 | } | |
1638 | ||
1639 | /* | |
1640 | * Prepare for large transfers. Do erase the test area. | |
1641 | */ | |
1642 | static int mmc_test_area_prepare_erase(struct mmc_test_card *test) | |
1643 | { | |
1644 | return mmc_test_area_init(test, 1, 0); | |
1645 | } | |
1646 | ||
1647 | /* | |
1648 | * Prepare for large transfers. Erase and fill the test area. | |
1649 | */ | |
1650 | static int mmc_test_area_prepare_fill(struct mmc_test_card *test) | |
1651 | { | |
1652 | return mmc_test_area_init(test, 1, 1); | |
1653 | } | |
1654 | ||
1655 | /* | |
1656 | * Test best-case performance. Best-case performance is expected from | |
1657 | * a single large transfer. | |
1658 | * | |
1659 | * An additional option (max_scatter) allows the measurement of the same | |
1660 | * transfer but with no contiguous pages in the scatter list. This tests | |
1661 | * the efficiency of DMA to handle scattered pages. | |
1662 | */ | |
1663 | static int mmc_test_best_performance(struct mmc_test_card *test, int write, | |
1664 | int max_scatter) | |
1665 | { | |
253d6a28 AS |
1666 | struct mmc_test_area *t = &test->area; |
1667 | ||
1668 | return mmc_test_area_io(test, t->max_tfr, t->dev_addr, write, | |
1669 | max_scatter, 1); | |
64f7120d AH |
1670 | } |
1671 | ||
1672 | /* | |
1673 | * Best-case read performance. | |
1674 | */ | |
1675 | static int mmc_test_best_read_performance(struct mmc_test_card *test) | |
1676 | { | |
1677 | return mmc_test_best_performance(test, 0, 0); | |
1678 | } | |
1679 | ||
1680 | /* | |
1681 | * Best-case write performance. | |
1682 | */ | |
1683 | static int mmc_test_best_write_performance(struct mmc_test_card *test) | |
1684 | { | |
1685 | return mmc_test_best_performance(test, 1, 0); | |
1686 | } | |
1687 | ||
1688 | /* | |
1689 | * Best-case read performance into scattered pages. | |
1690 | */ | |
1691 | static int mmc_test_best_read_perf_max_scatter(struct mmc_test_card *test) | |
1692 | { | |
1693 | return mmc_test_best_performance(test, 0, 1); | |
1694 | } | |
1695 | ||
1696 | /* | |
1697 | * Best-case write performance from scattered pages. | |
1698 | */ | |
1699 | static int mmc_test_best_write_perf_max_scatter(struct mmc_test_card *test) | |
1700 | { | |
1701 | return mmc_test_best_performance(test, 1, 1); | |
1702 | } | |
1703 | ||
1704 | /* | |
1705 | * Single read performance by transfer size. | |
1706 | */ | |
1707 | static int mmc_test_profile_read_perf(struct mmc_test_card *test) | |
1708 | { | |
253d6a28 | 1709 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1710 | unsigned long sz; |
1711 | unsigned int dev_addr; | |
64f7120d AH |
1712 | int ret; |
1713 | ||
253d6a28 AS |
1714 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
1715 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1716 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
1717 | if (ret) | |
1718 | return ret; | |
1719 | } | |
253d6a28 AS |
1720 | sz = t->max_tfr; |
1721 | dev_addr = t->dev_addr; | |
64f7120d AH |
1722 | return mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
1723 | } | |
1724 | ||
1725 | /* | |
1726 | * Single write performance by transfer size. | |
1727 | */ | |
1728 | static int mmc_test_profile_write_perf(struct mmc_test_card *test) | |
1729 | { | |
253d6a28 | 1730 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1731 | unsigned long sz; |
1732 | unsigned int dev_addr; | |
64f7120d AH |
1733 | int ret; |
1734 | ||
1735 | ret = mmc_test_area_erase(test); | |
1736 | if (ret) | |
1737 | return ret; | |
253d6a28 AS |
1738 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
1739 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1740 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
1741 | if (ret) | |
1742 | return ret; | |
1743 | } | |
1744 | ret = mmc_test_area_erase(test); | |
1745 | if (ret) | |
1746 | return ret; | |
253d6a28 AS |
1747 | sz = t->max_tfr; |
1748 | dev_addr = t->dev_addr; | |
64f7120d AH |
1749 | return mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
1750 | } | |
1751 | ||
1752 | /* | |
1753 | * Single trim performance by transfer size. | |
1754 | */ | |
1755 | static int mmc_test_profile_trim_perf(struct mmc_test_card *test) | |
1756 | { | |
253d6a28 | 1757 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1758 | unsigned long sz; |
1759 | unsigned int dev_addr; | |
64f7120d AH |
1760 | struct timespec ts1, ts2; |
1761 | int ret; | |
1762 | ||
1763 | if (!mmc_can_trim(test->card)) | |
1764 | return RESULT_UNSUP_CARD; | |
1765 | ||
1766 | if (!mmc_can_erase(test->card)) | |
1767 | return RESULT_UNSUP_HOST; | |
1768 | ||
253d6a28 AS |
1769 | for (sz = 512; sz < t->max_sz; sz <<= 1) { |
1770 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1771 | getnstimeofday(&ts1); |
1772 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1773 | if (ret) | |
1774 | return ret; | |
1775 | getnstimeofday(&ts2); | |
1776 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1777 | } | |
253d6a28 | 1778 | dev_addr = t->dev_addr; |
64f7120d AH |
1779 | getnstimeofday(&ts1); |
1780 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1781 | if (ret) | |
1782 | return ret; | |
1783 | getnstimeofday(&ts2); | |
1784 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1785 | return 0; | |
1786 | } | |
1787 | ||
c8c8c1bd AH |
1788 | static int mmc_test_seq_read_perf(struct mmc_test_card *test, unsigned long sz) |
1789 | { | |
253d6a28 | 1790 | struct mmc_test_area *t = &test->area; |
c8c8c1bd AH |
1791 | unsigned int dev_addr, i, cnt; |
1792 | struct timespec ts1, ts2; | |
1793 | int ret; | |
1794 | ||
253d6a28 AS |
1795 | cnt = t->max_sz / sz; |
1796 | dev_addr = t->dev_addr; | |
c8c8c1bd AH |
1797 | getnstimeofday(&ts1); |
1798 | for (i = 0; i < cnt; i++) { | |
1799 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 0); | |
1800 | if (ret) | |
1801 | return ret; | |
1802 | dev_addr += (sz >> 9); | |
1803 | } | |
1804 | getnstimeofday(&ts2); | |
1805 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1806 | return 0; | |
1807 | } | |
1808 | ||
64f7120d AH |
1809 | /* |
1810 | * Consecutive read performance by transfer size. | |
1811 | */ | |
1812 | static int mmc_test_profile_seq_read_perf(struct mmc_test_card *test) | |
1813 | { | |
253d6a28 | 1814 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1815 | unsigned long sz; |
c8c8c1bd AH |
1816 | int ret; |
1817 | ||
253d6a28 | 1818 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
c8c8c1bd AH |
1819 | ret = mmc_test_seq_read_perf(test, sz); |
1820 | if (ret) | |
1821 | return ret; | |
1822 | } | |
253d6a28 | 1823 | sz = t->max_tfr; |
c8c8c1bd AH |
1824 | return mmc_test_seq_read_perf(test, sz); |
1825 | } | |
1826 | ||
1827 | static int mmc_test_seq_write_perf(struct mmc_test_card *test, unsigned long sz) | |
1828 | { | |
253d6a28 | 1829 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1830 | unsigned int dev_addr, i, cnt; |
64f7120d AH |
1831 | struct timespec ts1, ts2; |
1832 | int ret; | |
1833 | ||
c8c8c1bd AH |
1834 | ret = mmc_test_area_erase(test); |
1835 | if (ret) | |
1836 | return ret; | |
253d6a28 AS |
1837 | cnt = t->max_sz / sz; |
1838 | dev_addr = t->dev_addr; | |
c8c8c1bd AH |
1839 | getnstimeofday(&ts1); |
1840 | for (i = 0; i < cnt; i++) { | |
1841 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 0); | |
1842 | if (ret) | |
1843 | return ret; | |
1844 | dev_addr += (sz >> 9); | |
64f7120d | 1845 | } |
c8c8c1bd AH |
1846 | getnstimeofday(&ts2); |
1847 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
64f7120d AH |
1848 | return 0; |
1849 | } | |
1850 | ||
1851 | /* | |
1852 | * Consecutive write performance by transfer size. | |
1853 | */ | |
1854 | static int mmc_test_profile_seq_write_perf(struct mmc_test_card *test) | |
1855 | { | |
253d6a28 | 1856 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1857 | unsigned long sz; |
64f7120d AH |
1858 | int ret; |
1859 | ||
253d6a28 | 1860 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
c8c8c1bd | 1861 | ret = mmc_test_seq_write_perf(test, sz); |
64f7120d AH |
1862 | if (ret) |
1863 | return ret; | |
64f7120d | 1864 | } |
253d6a28 | 1865 | sz = t->max_tfr; |
c8c8c1bd | 1866 | return mmc_test_seq_write_perf(test, sz); |
64f7120d AH |
1867 | } |
1868 | ||
1869 | /* | |
1870 | * Consecutive trim performance by transfer size. | |
1871 | */ | |
1872 | static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test) | |
1873 | { | |
253d6a28 | 1874 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1875 | unsigned long sz; |
1876 | unsigned int dev_addr, i, cnt; | |
64f7120d AH |
1877 | struct timespec ts1, ts2; |
1878 | int ret; | |
1879 | ||
1880 | if (!mmc_can_trim(test->card)) | |
1881 | return RESULT_UNSUP_CARD; | |
1882 | ||
1883 | if (!mmc_can_erase(test->card)) | |
1884 | return RESULT_UNSUP_HOST; | |
1885 | ||
253d6a28 | 1886 | for (sz = 512; sz <= t->max_sz; sz <<= 1) { |
64f7120d AH |
1887 | ret = mmc_test_area_erase(test); |
1888 | if (ret) | |
1889 | return ret; | |
1890 | ret = mmc_test_area_fill(test); | |
1891 | if (ret) | |
1892 | return ret; | |
253d6a28 AS |
1893 | cnt = t->max_sz / sz; |
1894 | dev_addr = t->dev_addr; | |
64f7120d AH |
1895 | getnstimeofday(&ts1); |
1896 | for (i = 0; i < cnt; i++) { | |
1897 | ret = mmc_erase(test->card, dev_addr, sz >> 9, | |
1898 | MMC_TRIM_ARG); | |
1899 | if (ret) | |
1900 | return ret; | |
1901 | dev_addr += (sz >> 9); | |
1902 | } | |
1903 | getnstimeofday(&ts2); | |
1904 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1905 | } | |
1906 | return 0; | |
1907 | } | |
1908 | ||
b6056d12 AH |
1909 | static unsigned int rnd_next = 1; |
1910 | ||
1911 | static unsigned int mmc_test_rnd_num(unsigned int rnd_cnt) | |
1912 | { | |
1913 | uint64_t r; | |
1914 | ||
1915 | rnd_next = rnd_next * 1103515245 + 12345; | |
1916 | r = (rnd_next >> 16) & 0x7fff; | |
1917 | return (r * rnd_cnt) >> 15; | |
1918 | } | |
1919 | ||
1920 | static int mmc_test_rnd_perf(struct mmc_test_card *test, int write, int print, | |
1921 | unsigned long sz) | |
1922 | { | |
1923 | unsigned int dev_addr, cnt, rnd_addr, range1, range2, last_ea = 0, ea; | |
1924 | unsigned int ssz; | |
1925 | struct timespec ts1, ts2, ts; | |
1926 | int ret; | |
1927 | ||
1928 | ssz = sz >> 9; | |
1929 | ||
1930 | rnd_addr = mmc_test_capacity(test->card) / 4; | |
1931 | range1 = rnd_addr / test->card->pref_erase; | |
1932 | range2 = range1 / ssz; | |
1933 | ||
1934 | getnstimeofday(&ts1); | |
1935 | for (cnt = 0; cnt < UINT_MAX; cnt++) { | |
1936 | getnstimeofday(&ts2); | |
1937 | ts = timespec_sub(ts2, ts1); | |
1938 | if (ts.tv_sec >= 10) | |
1939 | break; | |
1940 | ea = mmc_test_rnd_num(range1); | |
1941 | if (ea == last_ea) | |
1942 | ea -= 1; | |
1943 | last_ea = ea; | |
1944 | dev_addr = rnd_addr + test->card->pref_erase * ea + | |
1945 | ssz * mmc_test_rnd_num(range2); | |
1946 | ret = mmc_test_area_io(test, sz, dev_addr, write, 0, 0); | |
1947 | if (ret) | |
1948 | return ret; | |
1949 | } | |
1950 | if (print) | |
1951 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1952 | return 0; | |
1953 | } | |
1954 | ||
1955 | static int mmc_test_random_perf(struct mmc_test_card *test, int write) | |
1956 | { | |
253d6a28 | 1957 | struct mmc_test_area *t = &test->area; |
b6056d12 AH |
1958 | unsigned int next; |
1959 | unsigned long sz; | |
1960 | int ret; | |
1961 | ||
253d6a28 | 1962 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
b6056d12 AH |
1963 | /* |
1964 | * When writing, try to get more consistent results by running | |
1965 | * the test twice with exactly the same I/O but outputting the | |
1966 | * results only for the 2nd run. | |
1967 | */ | |
1968 | if (write) { | |
1969 | next = rnd_next; | |
1970 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1971 | if (ret) | |
1972 | return ret; | |
1973 | rnd_next = next; | |
1974 | } | |
1975 | ret = mmc_test_rnd_perf(test, write, 1, sz); | |
1976 | if (ret) | |
1977 | return ret; | |
1978 | } | |
253d6a28 | 1979 | sz = t->max_tfr; |
b6056d12 AH |
1980 | if (write) { |
1981 | next = rnd_next; | |
1982 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1983 | if (ret) | |
1984 | return ret; | |
1985 | rnd_next = next; | |
1986 | } | |
1987 | return mmc_test_rnd_perf(test, write, 1, sz); | |
1988 | } | |
1989 | ||
1990 | /* | |
1991 | * Random read performance by transfer size. | |
1992 | */ | |
1993 | static int mmc_test_random_read_perf(struct mmc_test_card *test) | |
1994 | { | |
1995 | return mmc_test_random_perf(test, 0); | |
1996 | } | |
1997 | ||
1998 | /* | |
1999 | * Random write performance by transfer size. | |
2000 | */ | |
2001 | static int mmc_test_random_write_perf(struct mmc_test_card *test) | |
2002 | { | |
2003 | return mmc_test_random_perf(test, 1); | |
2004 | } | |
2005 | ||
a803d551 AH |
2006 | static int mmc_test_seq_perf(struct mmc_test_card *test, int write, |
2007 | unsigned int tot_sz, int max_scatter) | |
2008 | { | |
253d6a28 | 2009 | struct mmc_test_area *t = &test->area; |
a803d551 | 2010 | unsigned int dev_addr, i, cnt, sz, ssz; |
5a8fba52 | 2011 | struct timespec ts1, ts2; |
a803d551 AH |
2012 | int ret; |
2013 | ||
253d6a28 AS |
2014 | sz = t->max_tfr; |
2015 | ||
a803d551 AH |
2016 | /* |
2017 | * In the case of a maximally scattered transfer, the maximum transfer | |
2018 | * size is further limited by using PAGE_SIZE segments. | |
2019 | */ | |
2020 | if (max_scatter) { | |
a803d551 AH |
2021 | unsigned long max_tfr; |
2022 | ||
2023 | if (t->max_seg_sz >= PAGE_SIZE) | |
2024 | max_tfr = t->max_segs * PAGE_SIZE; | |
2025 | else | |
2026 | max_tfr = t->max_segs * t->max_seg_sz; | |
2027 | if (sz > max_tfr) | |
2028 | sz = max_tfr; | |
2029 | } | |
2030 | ||
2031 | ssz = sz >> 9; | |
2032 | dev_addr = mmc_test_capacity(test->card) / 4; | |
2033 | if (tot_sz > dev_addr << 9) | |
2034 | tot_sz = dev_addr << 9; | |
2035 | cnt = tot_sz / sz; | |
2036 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ | |
2037 | ||
2038 | getnstimeofday(&ts1); | |
2039 | for (i = 0; i < cnt; i++) { | |
2040 | ret = mmc_test_area_io(test, sz, dev_addr, write, | |
2041 | max_scatter, 0); | |
2042 | if (ret) | |
2043 | return ret; | |
2044 | dev_addr += ssz; | |
2045 | } | |
2046 | getnstimeofday(&ts2); | |
2047 | ||
a803d551 AH |
2048 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
2049 | ||
2050 | return 0; | |
2051 | } | |
2052 | ||
2053 | static int mmc_test_large_seq_perf(struct mmc_test_card *test, int write) | |
2054 | { | |
2055 | int ret, i; | |
2056 | ||
2057 | for (i = 0; i < 10; i++) { | |
2058 | ret = mmc_test_seq_perf(test, write, 10 * 1024 * 1024, 1); | |
2059 | if (ret) | |
2060 | return ret; | |
2061 | } | |
2062 | for (i = 0; i < 5; i++) { | |
2063 | ret = mmc_test_seq_perf(test, write, 100 * 1024 * 1024, 1); | |
2064 | if (ret) | |
2065 | return ret; | |
2066 | } | |
2067 | for (i = 0; i < 3; i++) { | |
2068 | ret = mmc_test_seq_perf(test, write, 1000 * 1024 * 1024, 1); | |
2069 | if (ret) | |
2070 | return ret; | |
2071 | } | |
2072 | ||
2073 | return ret; | |
2074 | } | |
2075 | ||
2076 | /* | |
2077 | * Large sequential read performance. | |
2078 | */ | |
2079 | static int mmc_test_large_seq_read_perf(struct mmc_test_card *test) | |
2080 | { | |
2081 | return mmc_test_large_seq_perf(test, 0); | |
2082 | } | |
2083 | ||
2084 | /* | |
2085 | * Large sequential write performance. | |
2086 | */ | |
2087 | static int mmc_test_large_seq_write_perf(struct mmc_test_card *test) | |
2088 | { | |
2089 | return mmc_test_large_seq_perf(test, 1); | |
2090 | } | |
2091 | ||
9f9c4180 PF |
2092 | static int mmc_test_rw_multiple(struct mmc_test_card *test, |
2093 | struct mmc_test_multiple_rw *tdata, | |
bf043330 PF |
2094 | unsigned int reqsize, unsigned int size, |
2095 | int min_sg_len) | |
9f9c4180 PF |
2096 | { |
2097 | unsigned int dev_addr; | |
2098 | struct mmc_test_area *t = &test->area; | |
2099 | int ret = 0; | |
2100 | ||
2101 | /* Set up test area */ | |
2102 | if (size > mmc_test_capacity(test->card) / 2 * 512) | |
2103 | size = mmc_test_capacity(test->card) / 2 * 512; | |
2104 | if (reqsize > t->max_tfr) | |
2105 | reqsize = t->max_tfr; | |
2106 | dev_addr = mmc_test_capacity(test->card) / 4; | |
2107 | if ((dev_addr & 0xffff0000)) | |
2108 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ | |
2109 | else | |
2110 | dev_addr &= 0xfffff800; /* Round to 1MiB boundary */ | |
2111 | if (!dev_addr) | |
2112 | goto err; | |
2113 | ||
2114 | if (reqsize > size) | |
2115 | return 0; | |
2116 | ||
2117 | /* prepare test area */ | |
2118 | if (mmc_can_erase(test->card) && | |
2119 | tdata->prepare & MMC_TEST_PREP_ERASE) { | |
2120 | ret = mmc_erase(test->card, dev_addr, | |
2121 | size / 512, MMC_SECURE_ERASE_ARG); | |
2122 | if (ret) | |
2123 | ret = mmc_erase(test->card, dev_addr, | |
2124 | size / 512, MMC_ERASE_ARG); | |
2125 | if (ret) | |
2126 | goto err; | |
2127 | } | |
2128 | ||
2129 | /* Run test */ | |
2130 | ret = mmc_test_area_io_seq(test, reqsize, dev_addr, | |
2131 | tdata->do_write, 0, 1, size / reqsize, | |
bf043330 | 2132 | tdata->do_nonblock_req, min_sg_len); |
9f9c4180 PF |
2133 | if (ret) |
2134 | goto err; | |
2135 | ||
2136 | return ret; | |
2137 | err: | |
2138 | printk(KERN_INFO "[%s] error\n", __func__); | |
2139 | return ret; | |
2140 | } | |
2141 | ||
2142 | static int mmc_test_rw_multiple_size(struct mmc_test_card *test, | |
2143 | struct mmc_test_multiple_rw *rw) | |
2144 | { | |
2145 | int ret = 0; | |
2146 | int i; | |
2147 | void *pre_req = test->card->host->ops->pre_req; | |
2148 | void *post_req = test->card->host->ops->post_req; | |
2149 | ||
2150 | if (rw->do_nonblock_req && | |
2151 | ((!pre_req && post_req) || (pre_req && !post_req))) { | |
2152 | printk(KERN_INFO "error: only one of pre/post is defined\n"); | |
2153 | return -EINVAL; | |
2154 | } | |
2155 | ||
2156 | for (i = 0 ; i < rw->len && ret == 0; i++) { | |
bf043330 PF |
2157 | ret = mmc_test_rw_multiple(test, rw, rw->bs[i], rw->size, 0); |
2158 | if (ret) | |
2159 | break; | |
2160 | } | |
2161 | return ret; | |
2162 | } | |
2163 | ||
2164 | static int mmc_test_rw_multiple_sg_len(struct mmc_test_card *test, | |
2165 | struct mmc_test_multiple_rw *rw) | |
2166 | { | |
2167 | int ret = 0; | |
2168 | int i; | |
2169 | ||
2170 | for (i = 0 ; i < rw->len && ret == 0; i++) { | |
2171 | ret = mmc_test_rw_multiple(test, rw, 512*1024, rw->size, | |
2172 | rw->sg_len[i]); | |
9f9c4180 PF |
2173 | if (ret) |
2174 | break; | |
2175 | } | |
2176 | return ret; | |
2177 | } | |
2178 | ||
2179 | /* | |
2180 | * Multiple blocking write 4k to 4 MB chunks | |
2181 | */ | |
2182 | static int mmc_test_profile_mult_write_blocking_perf(struct mmc_test_card *test) | |
2183 | { | |
2184 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2185 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2186 | struct mmc_test_multiple_rw test_data = { | |
2187 | .bs = bs, | |
2188 | .size = TEST_AREA_MAX_SIZE, | |
2189 | .len = ARRAY_SIZE(bs), | |
2190 | .do_write = true, | |
2191 | .do_nonblock_req = false, | |
2192 | .prepare = MMC_TEST_PREP_ERASE, | |
2193 | }; | |
2194 | ||
2195 | return mmc_test_rw_multiple_size(test, &test_data); | |
2196 | }; | |
2197 | ||
2198 | /* | |
2199 | * Multiple non-blocking write 4k to 4 MB chunks | |
2200 | */ | |
2201 | static int mmc_test_profile_mult_write_nonblock_perf(struct mmc_test_card *test) | |
2202 | { | |
2203 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2204 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2205 | struct mmc_test_multiple_rw test_data = { | |
2206 | .bs = bs, | |
2207 | .size = TEST_AREA_MAX_SIZE, | |
2208 | .len = ARRAY_SIZE(bs), | |
2209 | .do_write = true, | |
2210 | .do_nonblock_req = true, | |
2211 | .prepare = MMC_TEST_PREP_ERASE, | |
2212 | }; | |
2213 | ||
2214 | return mmc_test_rw_multiple_size(test, &test_data); | |
2215 | } | |
2216 | ||
2217 | /* | |
2218 | * Multiple blocking read 4k to 4 MB chunks | |
2219 | */ | |
2220 | static int mmc_test_profile_mult_read_blocking_perf(struct mmc_test_card *test) | |
2221 | { | |
2222 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2223 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2224 | struct mmc_test_multiple_rw test_data = { | |
2225 | .bs = bs, | |
2226 | .size = TEST_AREA_MAX_SIZE, | |
2227 | .len = ARRAY_SIZE(bs), | |
2228 | .do_write = false, | |
2229 | .do_nonblock_req = false, | |
2230 | .prepare = MMC_TEST_PREP_NONE, | |
2231 | }; | |
2232 | ||
2233 | return mmc_test_rw_multiple_size(test, &test_data); | |
2234 | } | |
2235 | ||
2236 | /* | |
2237 | * Multiple non-blocking read 4k to 4 MB chunks | |
2238 | */ | |
2239 | static int mmc_test_profile_mult_read_nonblock_perf(struct mmc_test_card *test) | |
2240 | { | |
2241 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2242 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2243 | struct mmc_test_multiple_rw test_data = { | |
2244 | .bs = bs, | |
2245 | .size = TEST_AREA_MAX_SIZE, | |
2246 | .len = ARRAY_SIZE(bs), | |
2247 | .do_write = false, | |
2248 | .do_nonblock_req = true, | |
2249 | .prepare = MMC_TEST_PREP_NONE, | |
2250 | }; | |
2251 | ||
2252 | return mmc_test_rw_multiple_size(test, &test_data); | |
2253 | } | |
2254 | ||
bf043330 PF |
2255 | /* |
2256 | * Multiple blocking write 1 to 512 sg elements | |
2257 | */ | |
2258 | static int mmc_test_profile_sglen_wr_blocking_perf(struct mmc_test_card *test) | |
2259 | { | |
2260 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2261 | 1 << 7, 1 << 8, 1 << 9}; | |
2262 | struct mmc_test_multiple_rw test_data = { | |
2263 | .sg_len = sg_len, | |
2264 | .size = TEST_AREA_MAX_SIZE, | |
2265 | .len = ARRAY_SIZE(sg_len), | |
2266 | .do_write = true, | |
2267 | .do_nonblock_req = false, | |
2268 | .prepare = MMC_TEST_PREP_ERASE, | |
2269 | }; | |
2270 | ||
2271 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2272 | }; | |
2273 | ||
2274 | /* | |
2275 | * Multiple non-blocking write 1 to 512 sg elements | |
2276 | */ | |
2277 | static int mmc_test_profile_sglen_wr_nonblock_perf(struct mmc_test_card *test) | |
2278 | { | |
2279 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2280 | 1 << 7, 1 << 8, 1 << 9}; | |
2281 | struct mmc_test_multiple_rw test_data = { | |
2282 | .sg_len = sg_len, | |
2283 | .size = TEST_AREA_MAX_SIZE, | |
2284 | .len = ARRAY_SIZE(sg_len), | |
2285 | .do_write = true, | |
2286 | .do_nonblock_req = true, | |
2287 | .prepare = MMC_TEST_PREP_ERASE, | |
2288 | }; | |
2289 | ||
2290 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2291 | } | |
2292 | ||
2293 | /* | |
2294 | * Multiple blocking read 1 to 512 sg elements | |
2295 | */ | |
2296 | static int mmc_test_profile_sglen_r_blocking_perf(struct mmc_test_card *test) | |
2297 | { | |
2298 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2299 | 1 << 7, 1 << 8, 1 << 9}; | |
2300 | struct mmc_test_multiple_rw test_data = { | |
2301 | .sg_len = sg_len, | |
2302 | .size = TEST_AREA_MAX_SIZE, | |
2303 | .len = ARRAY_SIZE(sg_len), | |
2304 | .do_write = false, | |
2305 | .do_nonblock_req = false, | |
2306 | .prepare = MMC_TEST_PREP_NONE, | |
2307 | }; | |
2308 | ||
2309 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2310 | } | |
2311 | ||
2312 | /* | |
2313 | * Multiple non-blocking read 1 to 512 sg elements | |
2314 | */ | |
2315 | static int mmc_test_profile_sglen_r_nonblock_perf(struct mmc_test_card *test) | |
2316 | { | |
2317 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2318 | 1 << 7, 1 << 8, 1 << 9}; | |
2319 | struct mmc_test_multiple_rw test_data = { | |
2320 | .sg_len = sg_len, | |
2321 | .size = TEST_AREA_MAX_SIZE, | |
2322 | .len = ARRAY_SIZE(sg_len), | |
2323 | .do_write = false, | |
2324 | .do_nonblock_req = true, | |
2325 | .prepare = MMC_TEST_PREP_NONE, | |
2326 | }; | |
2327 | ||
2328 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2329 | } | |
2330 | ||
2311344c AH |
2331 | /* |
2332 | * eMMC hardware reset. | |
2333 | */ | |
2334 | static int mmc_test_hw_reset(struct mmc_test_card *test) | |
2335 | { | |
2336 | struct mmc_card *card = test->card; | |
2337 | struct mmc_host *host = card->host; | |
2338 | int err; | |
2339 | ||
2340 | err = mmc_hw_reset_check(host); | |
2341 | if (!err) | |
2342 | return RESULT_OK; | |
2343 | ||
2344 | if (err == -ENOSYS) | |
2345 | return RESULT_FAIL; | |
2346 | ||
2347 | if (err != -EOPNOTSUPP) | |
2348 | return err; | |
2349 | ||
2350 | if (!mmc_can_reset(card)) | |
2351 | return RESULT_UNSUP_CARD; | |
2352 | ||
2353 | return RESULT_UNSUP_HOST; | |
2354 | } | |
2355 | ||
88ae600d PO |
2356 | static const struct mmc_test_case mmc_test_cases[] = { |
2357 | { | |
2358 | .name = "Basic write (no data verification)", | |
2359 | .run = mmc_test_basic_write, | |
2360 | }, | |
2361 | ||
2362 | { | |
2363 | .name = "Basic read (no data verification)", | |
2364 | .run = mmc_test_basic_read, | |
2365 | }, | |
2366 | ||
2367 | { | |
2368 | .name = "Basic write (with data verification)", | |
6b174931 | 2369 | .prepare = mmc_test_prepare_write, |
88ae600d | 2370 | .run = mmc_test_verify_write, |
6b174931 | 2371 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2372 | }, |
2373 | ||
2374 | { | |
2375 | .name = "Basic read (with data verification)", | |
6b174931 | 2376 | .prepare = mmc_test_prepare_read, |
88ae600d | 2377 | .run = mmc_test_verify_read, |
6b174931 | 2378 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2379 | }, |
2380 | ||
2381 | { | |
2382 | .name = "Multi-block write", | |
6b174931 | 2383 | .prepare = mmc_test_prepare_write, |
88ae600d | 2384 | .run = mmc_test_multi_write, |
6b174931 | 2385 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2386 | }, |
2387 | ||
2388 | { | |
2389 | .name = "Multi-block read", | |
6b174931 | 2390 | .prepare = mmc_test_prepare_read, |
88ae600d | 2391 | .run = mmc_test_multi_read, |
6b174931 | 2392 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2393 | }, |
2394 | ||
2395 | { | |
2396 | .name = "Power of two block writes", | |
6b174931 | 2397 | .prepare = mmc_test_prepare_write, |
88ae600d | 2398 | .run = mmc_test_pow2_write, |
6b174931 | 2399 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2400 | }, |
2401 | ||
2402 | { | |
2403 | .name = "Power of two block reads", | |
6b174931 | 2404 | .prepare = mmc_test_prepare_read, |
88ae600d | 2405 | .run = mmc_test_pow2_read, |
6b174931 | 2406 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2407 | }, |
2408 | ||
2409 | { | |
2410 | .name = "Weird sized block writes", | |
6b174931 | 2411 | .prepare = mmc_test_prepare_write, |
88ae600d | 2412 | .run = mmc_test_weird_write, |
6b174931 | 2413 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2414 | }, |
2415 | ||
2416 | { | |
2417 | .name = "Weird sized block reads", | |
6b174931 | 2418 | .prepare = mmc_test_prepare_read, |
88ae600d | 2419 | .run = mmc_test_weird_read, |
6b174931 | 2420 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2421 | }, |
2422 | ||
2423 | { | |
2424 | .name = "Badly aligned write", | |
6b174931 | 2425 | .prepare = mmc_test_prepare_write, |
88ae600d | 2426 | .run = mmc_test_align_write, |
6b174931 | 2427 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2428 | }, |
2429 | ||
2430 | { | |
2431 | .name = "Badly aligned read", | |
6b174931 | 2432 | .prepare = mmc_test_prepare_read, |
88ae600d | 2433 | .run = mmc_test_align_read, |
6b174931 | 2434 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2435 | }, |
2436 | ||
2437 | { | |
2438 | .name = "Badly aligned multi-block write", | |
6b174931 | 2439 | .prepare = mmc_test_prepare_write, |
88ae600d | 2440 | .run = mmc_test_align_multi_write, |
6b174931 | 2441 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2442 | }, |
2443 | ||
2444 | { | |
2445 | .name = "Badly aligned multi-block read", | |
6b174931 | 2446 | .prepare = mmc_test_prepare_read, |
88ae600d | 2447 | .run = mmc_test_align_multi_read, |
6b174931 | 2448 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2449 | }, |
2450 | ||
2451 | { | |
2452 | .name = "Correct xfer_size at write (start failure)", | |
2453 | .run = mmc_test_xfersize_write, | |
2454 | }, | |
2455 | ||
2456 | { | |
2457 | .name = "Correct xfer_size at read (start failure)", | |
2458 | .run = mmc_test_xfersize_read, | |
2459 | }, | |
2460 | ||
2461 | { | |
2462 | .name = "Correct xfer_size at write (midway failure)", | |
2463 | .run = mmc_test_multi_xfersize_write, | |
2464 | }, | |
2465 | ||
2466 | { | |
2467 | .name = "Correct xfer_size at read (midway failure)", | |
2468 | .run = mmc_test_multi_xfersize_read, | |
2469 | }, | |
2661081f PO |
2470 | |
2471 | #ifdef CONFIG_HIGHMEM | |
2472 | ||
2473 | { | |
2474 | .name = "Highmem write", | |
2475 | .prepare = mmc_test_prepare_write, | |
2476 | .run = mmc_test_write_high, | |
2477 | .cleanup = mmc_test_cleanup, | |
2478 | }, | |
2479 | ||
2480 | { | |
2481 | .name = "Highmem read", | |
2482 | .prepare = mmc_test_prepare_read, | |
2483 | .run = mmc_test_read_high, | |
2484 | .cleanup = mmc_test_cleanup, | |
2485 | }, | |
2486 | ||
2487 | { | |
2488 | .name = "Multi-block highmem write", | |
2489 | .prepare = mmc_test_prepare_write, | |
2490 | .run = mmc_test_multi_write_high, | |
2491 | .cleanup = mmc_test_cleanup, | |
2492 | }, | |
2493 | ||
2494 | { | |
2495 | .name = "Multi-block highmem read", | |
2496 | .prepare = mmc_test_prepare_read, | |
2497 | .run = mmc_test_multi_read_high, | |
2498 | .cleanup = mmc_test_cleanup, | |
2499 | }, | |
2500 | ||
64f7120d AH |
2501 | #else |
2502 | ||
2503 | { | |
2504 | .name = "Highmem write", | |
2505 | .run = mmc_test_no_highmem, | |
2506 | }, | |
2507 | ||
2508 | { | |
2509 | .name = "Highmem read", | |
2510 | .run = mmc_test_no_highmem, | |
2511 | }, | |
2512 | ||
2513 | { | |
2514 | .name = "Multi-block highmem write", | |
2515 | .run = mmc_test_no_highmem, | |
2516 | }, | |
2517 | ||
2518 | { | |
2519 | .name = "Multi-block highmem read", | |
2520 | .run = mmc_test_no_highmem, | |
2521 | }, | |
2522 | ||
2661081f PO |
2523 | #endif /* CONFIG_HIGHMEM */ |
2524 | ||
64f7120d AH |
2525 | { |
2526 | .name = "Best-case read performance", | |
2527 | .prepare = mmc_test_area_prepare_fill, | |
2528 | .run = mmc_test_best_read_performance, | |
2529 | .cleanup = mmc_test_area_cleanup, | |
2530 | }, | |
2531 | ||
2532 | { | |
2533 | .name = "Best-case write performance", | |
2534 | .prepare = mmc_test_area_prepare_erase, | |
2535 | .run = mmc_test_best_write_performance, | |
2536 | .cleanup = mmc_test_area_cleanup, | |
2537 | }, | |
2538 | ||
2539 | { | |
2540 | .name = "Best-case read performance into scattered pages", | |
2541 | .prepare = mmc_test_area_prepare_fill, | |
2542 | .run = mmc_test_best_read_perf_max_scatter, | |
2543 | .cleanup = mmc_test_area_cleanup, | |
2544 | }, | |
2545 | ||
2546 | { | |
2547 | .name = "Best-case write performance from scattered pages", | |
2548 | .prepare = mmc_test_area_prepare_erase, | |
2549 | .run = mmc_test_best_write_perf_max_scatter, | |
2550 | .cleanup = mmc_test_area_cleanup, | |
2551 | }, | |
2552 | ||
2553 | { | |
2554 | .name = "Single read performance by transfer size", | |
2555 | .prepare = mmc_test_area_prepare_fill, | |
2556 | .run = mmc_test_profile_read_perf, | |
2557 | .cleanup = mmc_test_area_cleanup, | |
2558 | }, | |
2559 | ||
2560 | { | |
2561 | .name = "Single write performance by transfer size", | |
2562 | .prepare = mmc_test_area_prepare, | |
2563 | .run = mmc_test_profile_write_perf, | |
2564 | .cleanup = mmc_test_area_cleanup, | |
2565 | }, | |
2566 | ||
2567 | { | |
2568 | .name = "Single trim performance by transfer size", | |
2569 | .prepare = mmc_test_area_prepare_fill, | |
2570 | .run = mmc_test_profile_trim_perf, | |
2571 | .cleanup = mmc_test_area_cleanup, | |
2572 | }, | |
2573 | ||
2574 | { | |
2575 | .name = "Consecutive read performance by transfer size", | |
2576 | .prepare = mmc_test_area_prepare_fill, | |
2577 | .run = mmc_test_profile_seq_read_perf, | |
2578 | .cleanup = mmc_test_area_cleanup, | |
2579 | }, | |
2580 | ||
2581 | { | |
2582 | .name = "Consecutive write performance by transfer size", | |
2583 | .prepare = mmc_test_area_prepare, | |
2584 | .run = mmc_test_profile_seq_write_perf, | |
2585 | .cleanup = mmc_test_area_cleanup, | |
2586 | }, | |
2587 | ||
2588 | { | |
2589 | .name = "Consecutive trim performance by transfer size", | |
2590 | .prepare = mmc_test_area_prepare, | |
2591 | .run = mmc_test_profile_seq_trim_perf, | |
2592 | .cleanup = mmc_test_area_cleanup, | |
2593 | }, | |
2594 | ||
b6056d12 AH |
2595 | { |
2596 | .name = "Random read performance by transfer size", | |
2597 | .prepare = mmc_test_area_prepare, | |
2598 | .run = mmc_test_random_read_perf, | |
2599 | .cleanup = mmc_test_area_cleanup, | |
2600 | }, | |
2601 | ||
2602 | { | |
2603 | .name = "Random write performance by transfer size", | |
2604 | .prepare = mmc_test_area_prepare, | |
2605 | .run = mmc_test_random_write_perf, | |
2606 | .cleanup = mmc_test_area_cleanup, | |
2607 | }, | |
2608 | ||
a803d551 AH |
2609 | { |
2610 | .name = "Large sequential read into scattered pages", | |
2611 | .prepare = mmc_test_area_prepare, | |
2612 | .run = mmc_test_large_seq_read_perf, | |
2613 | .cleanup = mmc_test_area_cleanup, | |
2614 | }, | |
2615 | ||
2616 | { | |
2617 | .name = "Large sequential write from scattered pages", | |
2618 | .prepare = mmc_test_area_prepare, | |
2619 | .run = mmc_test_large_seq_write_perf, | |
2620 | .cleanup = mmc_test_area_cleanup, | |
2621 | }, | |
2622 | ||
9f9c4180 PF |
2623 | { |
2624 | .name = "Write performance with blocking req 4k to 4MB", | |
2625 | .prepare = mmc_test_area_prepare, | |
2626 | .run = mmc_test_profile_mult_write_blocking_perf, | |
2627 | .cleanup = mmc_test_area_cleanup, | |
2628 | }, | |
2629 | ||
2630 | { | |
2631 | .name = "Write performance with non-blocking req 4k to 4MB", | |
2632 | .prepare = mmc_test_area_prepare, | |
2633 | .run = mmc_test_profile_mult_write_nonblock_perf, | |
2634 | .cleanup = mmc_test_area_cleanup, | |
2635 | }, | |
2636 | ||
2637 | { | |
2638 | .name = "Read performance with blocking req 4k to 4MB", | |
2639 | .prepare = mmc_test_area_prepare, | |
2640 | .run = mmc_test_profile_mult_read_blocking_perf, | |
2641 | .cleanup = mmc_test_area_cleanup, | |
2642 | }, | |
2643 | ||
2644 | { | |
2645 | .name = "Read performance with non-blocking req 4k to 4MB", | |
2646 | .prepare = mmc_test_area_prepare, | |
2647 | .run = mmc_test_profile_mult_read_nonblock_perf, | |
2648 | .cleanup = mmc_test_area_cleanup, | |
2649 | }, | |
bf043330 PF |
2650 | |
2651 | { | |
2652 | .name = "Write performance blocking req 1 to 512 sg elems", | |
2653 | .prepare = mmc_test_area_prepare, | |
2654 | .run = mmc_test_profile_sglen_wr_blocking_perf, | |
2655 | .cleanup = mmc_test_area_cleanup, | |
2656 | }, | |
2657 | ||
2658 | { | |
2659 | .name = "Write performance non-blocking req 1 to 512 sg elems", | |
2660 | .prepare = mmc_test_area_prepare, | |
2661 | .run = mmc_test_profile_sglen_wr_nonblock_perf, | |
2662 | .cleanup = mmc_test_area_cleanup, | |
2663 | }, | |
2664 | ||
2665 | { | |
2666 | .name = "Read performance blocking req 1 to 512 sg elems", | |
2667 | .prepare = mmc_test_area_prepare, | |
2668 | .run = mmc_test_profile_sglen_r_blocking_perf, | |
2669 | .cleanup = mmc_test_area_cleanup, | |
2670 | }, | |
2671 | ||
2672 | { | |
2673 | .name = "Read performance non-blocking req 1 to 512 sg elems", | |
2674 | .prepare = mmc_test_area_prepare, | |
2675 | .run = mmc_test_profile_sglen_r_nonblock_perf, | |
2676 | .cleanup = mmc_test_area_cleanup, | |
2677 | }, | |
2311344c AH |
2678 | |
2679 | { | |
2680 | .name = "eMMC hardware reset", | |
2681 | .run = mmc_test_hw_reset, | |
2682 | }, | |
88ae600d PO |
2683 | }; |
2684 | ||
a650031a | 2685 | static DEFINE_MUTEX(mmc_test_lock); |
88ae600d | 2686 | |
3183aa15 AS |
2687 | static LIST_HEAD(mmc_test_result); |
2688 | ||
fd8c326c | 2689 | static void mmc_test_run(struct mmc_test_card *test, int testcase) |
88ae600d PO |
2690 | { |
2691 | int i, ret; | |
2692 | ||
2693 | printk(KERN_INFO "%s: Starting tests of card %s...\n", | |
2694 | mmc_hostname(test->card->host), mmc_card_id(test->card)); | |
2695 | ||
2696 | mmc_claim_host(test->card->host); | |
2697 | ||
2698 | for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) { | |
3183aa15 AS |
2699 | struct mmc_test_general_result *gr; |
2700 | ||
fd8c326c PO |
2701 | if (testcase && ((i + 1) != testcase)) |
2702 | continue; | |
2703 | ||
88ae600d PO |
2704 | printk(KERN_INFO "%s: Test case %d. %s...\n", |
2705 | mmc_hostname(test->card->host), i + 1, | |
2706 | mmc_test_cases[i].name); | |
2707 | ||
2708 | if (mmc_test_cases[i].prepare) { | |
2709 | ret = mmc_test_cases[i].prepare(test); | |
2710 | if (ret) { | |
2711 | printk(KERN_INFO "%s: Result: Prepare " | |
2712 | "stage failed! (%d)\n", | |
2713 | mmc_hostname(test->card->host), | |
2714 | ret); | |
2715 | continue; | |
2716 | } | |
2717 | } | |
2718 | ||
3183aa15 AS |
2719 | gr = kzalloc(sizeof(struct mmc_test_general_result), |
2720 | GFP_KERNEL); | |
2721 | if (gr) { | |
2722 | INIT_LIST_HEAD(&gr->tr_lst); | |
2723 | ||
2724 | /* Assign data what we know already */ | |
2725 | gr->card = test->card; | |
2726 | gr->testcase = i; | |
2727 | ||
2728 | /* Append container to global one */ | |
2729 | list_add_tail(&gr->link, &mmc_test_result); | |
2730 | ||
2731 | /* | |
2732 | * Save the pointer to created container in our private | |
2733 | * structure. | |
2734 | */ | |
2735 | test->gr = gr; | |
2736 | } | |
2737 | ||
88ae600d PO |
2738 | ret = mmc_test_cases[i].run(test); |
2739 | switch (ret) { | |
2740 | case RESULT_OK: | |
2741 | printk(KERN_INFO "%s: Result: OK\n", | |
2742 | mmc_hostname(test->card->host)); | |
2743 | break; | |
2744 | case RESULT_FAIL: | |
2745 | printk(KERN_INFO "%s: Result: FAILED\n", | |
2746 | mmc_hostname(test->card->host)); | |
2747 | break; | |
2748 | case RESULT_UNSUP_HOST: | |
2749 | printk(KERN_INFO "%s: Result: UNSUPPORTED " | |
2750 | "(by host)\n", | |
2751 | mmc_hostname(test->card->host)); | |
2752 | break; | |
2753 | case RESULT_UNSUP_CARD: | |
2754 | printk(KERN_INFO "%s: Result: UNSUPPORTED " | |
2755 | "(by card)\n", | |
2756 | mmc_hostname(test->card->host)); | |
2757 | break; | |
2758 | default: | |
2759 | printk(KERN_INFO "%s: Result: ERROR (%d)\n", | |
2760 | mmc_hostname(test->card->host), ret); | |
2761 | } | |
2762 | ||
3183aa15 AS |
2763 | /* Save the result */ |
2764 | if (gr) | |
2765 | gr->result = ret; | |
2766 | ||
88ae600d PO |
2767 | if (mmc_test_cases[i].cleanup) { |
2768 | ret = mmc_test_cases[i].cleanup(test); | |
2769 | if (ret) { | |
2770 | printk(KERN_INFO "%s: Warning: Cleanup " | |
2771 | "stage failed! (%d)\n", | |
2772 | mmc_hostname(test->card->host), | |
2773 | ret); | |
2774 | } | |
2775 | } | |
2776 | } | |
2777 | ||
2778 | mmc_release_host(test->card->host); | |
2779 | ||
2780 | printk(KERN_INFO "%s: Tests completed.\n", | |
2781 | mmc_hostname(test->card->host)); | |
2782 | } | |
2783 | ||
3183aa15 AS |
2784 | static void mmc_test_free_result(struct mmc_card *card) |
2785 | { | |
2786 | struct mmc_test_general_result *gr, *grs; | |
2787 | ||
2788 | mutex_lock(&mmc_test_lock); | |
2789 | ||
2790 | list_for_each_entry_safe(gr, grs, &mmc_test_result, link) { | |
2791 | struct mmc_test_transfer_result *tr, *trs; | |
2792 | ||
2793 | if (card && gr->card != card) | |
2794 | continue; | |
2795 | ||
2796 | list_for_each_entry_safe(tr, trs, &gr->tr_lst, link) { | |
2797 | list_del(&tr->link); | |
2798 | kfree(tr); | |
2799 | } | |
2800 | ||
2801 | list_del(&gr->link); | |
2802 | kfree(gr); | |
2803 | } | |
2804 | ||
2805 | mutex_unlock(&mmc_test_lock); | |
2806 | } | |
2807 | ||
130067ed AS |
2808 | static LIST_HEAD(mmc_test_file_test); |
2809 | ||
2810 | static int mtf_test_show(struct seq_file *sf, void *data) | |
88ae600d | 2811 | { |
130067ed | 2812 | struct mmc_card *card = (struct mmc_card *)sf->private; |
3183aa15 | 2813 | struct mmc_test_general_result *gr; |
3183aa15 | 2814 | |
88ae600d | 2815 | mutex_lock(&mmc_test_lock); |
3183aa15 AS |
2816 | |
2817 | list_for_each_entry(gr, &mmc_test_result, link) { | |
2818 | struct mmc_test_transfer_result *tr; | |
2819 | ||
2820 | if (gr->card != card) | |
2821 | continue; | |
2822 | ||
130067ed | 2823 | seq_printf(sf, "Test %d: %d\n", gr->testcase + 1, gr->result); |
3183aa15 AS |
2824 | |
2825 | list_for_each_entry(tr, &gr->tr_lst, link) { | |
b6056d12 | 2826 | seq_printf(sf, "%u %d %lu.%09lu %u %u.%02u\n", |
3183aa15 AS |
2827 | tr->count, tr->sectors, |
2828 | (unsigned long)tr->ts.tv_sec, | |
2829 | (unsigned long)tr->ts.tv_nsec, | |
b6056d12 | 2830 | tr->rate, tr->iops / 100, tr->iops % 100); |
3183aa15 AS |
2831 | } |
2832 | } | |
2833 | ||
88ae600d PO |
2834 | mutex_unlock(&mmc_test_lock); |
2835 | ||
130067ed | 2836 | return 0; |
88ae600d PO |
2837 | } |
2838 | ||
130067ed | 2839 | static int mtf_test_open(struct inode *inode, struct file *file) |
88ae600d | 2840 | { |
130067ed AS |
2841 | return single_open(file, mtf_test_show, inode->i_private); |
2842 | } | |
2843 | ||
2844 | static ssize_t mtf_test_write(struct file *file, const char __user *buf, | |
2845 | size_t count, loff_t *pos) | |
2846 | { | |
2847 | struct seq_file *sf = (struct seq_file *)file->private_data; | |
2848 | struct mmc_card *card = (struct mmc_card *)sf->private; | |
88ae600d | 2849 | struct mmc_test_card *test; |
130067ed | 2850 | char lbuf[12]; |
5c25aee5 | 2851 | long testcase; |
88ae600d | 2852 | |
130067ed AS |
2853 | if (count >= sizeof(lbuf)) |
2854 | return -EINVAL; | |
2855 | ||
2856 | if (copy_from_user(lbuf, buf, count)) | |
2857 | return -EFAULT; | |
2858 | lbuf[count] = '\0'; | |
2859 | ||
2860 | if (strict_strtol(lbuf, 10, &testcase)) | |
5c25aee5 | 2861 | return -EINVAL; |
fd8c326c | 2862 | |
88ae600d PO |
2863 | test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL); |
2864 | if (!test) | |
2865 | return -ENOMEM; | |
2866 | ||
3183aa15 AS |
2867 | /* |
2868 | * Remove all test cases associated with given card. Thus we have only | |
2869 | * actual data of the last run. | |
2870 | */ | |
2871 | mmc_test_free_result(card); | |
2872 | ||
88ae600d PO |
2873 | test->card = card; |
2874 | ||
2875 | test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); | |
2661081f PO |
2876 | #ifdef CONFIG_HIGHMEM |
2877 | test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); | |
2878 | #endif | |
2879 | ||
2880 | #ifdef CONFIG_HIGHMEM | |
2881 | if (test->buffer && test->highmem) { | |
2882 | #else | |
88ae600d | 2883 | if (test->buffer) { |
2661081f | 2884 | #endif |
88ae600d | 2885 | mutex_lock(&mmc_test_lock); |
fd8c326c | 2886 | mmc_test_run(test, testcase); |
88ae600d PO |
2887 | mutex_unlock(&mmc_test_lock); |
2888 | } | |
2889 | ||
2661081f PO |
2890 | #ifdef CONFIG_HIGHMEM |
2891 | __free_pages(test->highmem, BUFFER_ORDER); | |
2892 | #endif | |
88ae600d PO |
2893 | kfree(test->buffer); |
2894 | kfree(test); | |
2895 | ||
2896 | return count; | |
2897 | } | |
2898 | ||
130067ed AS |
2899 | static const struct file_operations mmc_test_fops_test = { |
2900 | .open = mtf_test_open, | |
2901 | .read = seq_read, | |
2902 | .write = mtf_test_write, | |
2903 | .llseek = seq_lseek, | |
2904 | .release = single_release, | |
2905 | }; | |
2906 | ||
54f3caf5 PF |
2907 | static int mtf_testlist_show(struct seq_file *sf, void *data) |
2908 | { | |
2909 | int i; | |
2910 | ||
2911 | mutex_lock(&mmc_test_lock); | |
2912 | ||
2913 | for (i = 0; i < ARRAY_SIZE(mmc_test_cases); i++) | |
2914 | seq_printf(sf, "%d:\t%s\n", i+1, mmc_test_cases[i].name); | |
2915 | ||
2916 | mutex_unlock(&mmc_test_lock); | |
2917 | ||
2918 | return 0; | |
2919 | } | |
2920 | ||
2921 | static int mtf_testlist_open(struct inode *inode, struct file *file) | |
2922 | { | |
2923 | return single_open(file, mtf_testlist_show, inode->i_private); | |
2924 | } | |
2925 | ||
2926 | static const struct file_operations mmc_test_fops_testlist = { | |
2927 | .open = mtf_testlist_open, | |
2928 | .read = seq_read, | |
2929 | .llseek = seq_lseek, | |
2930 | .release = single_release, | |
2931 | }; | |
2932 | ||
d5a5bd1c | 2933 | static void mmc_test_free_dbgfs_file(struct mmc_card *card) |
130067ed AS |
2934 | { |
2935 | struct mmc_test_dbgfs_file *df, *dfs; | |
2936 | ||
2937 | mutex_lock(&mmc_test_lock); | |
2938 | ||
2939 | list_for_each_entry_safe(df, dfs, &mmc_test_file_test, link) { | |
2940 | if (card && df->card != card) | |
2941 | continue; | |
2942 | debugfs_remove(df->file); | |
2943 | list_del(&df->link); | |
2944 | kfree(df); | |
2945 | } | |
2946 | ||
2947 | mutex_unlock(&mmc_test_lock); | |
2948 | } | |
2949 | ||
d5a5bd1c AS |
2950 | static int __mmc_test_register_dbgfs_file(struct mmc_card *card, |
2951 | const char *name, mode_t mode, const struct file_operations *fops) | |
130067ed AS |
2952 | { |
2953 | struct dentry *file = NULL; | |
2954 | struct mmc_test_dbgfs_file *df; | |
54f3caf5 PF |
2955 | |
2956 | if (card->debugfs_root) | |
d5a5bd1c AS |
2957 | file = debugfs_create_file(name, mode, card->debugfs_root, |
2958 | card, fops); | |
54f3caf5 PF |
2959 | |
2960 | if (IS_ERR_OR_NULL(file)) { | |
2961 | dev_err(&card->dev, | |
d5a5bd1c AS |
2962 | "Can't create %s. Perhaps debugfs is disabled.\n", |
2963 | name); | |
2964 | return -ENODEV; | |
130067ed AS |
2965 | } |
2966 | ||
2967 | df = kmalloc(sizeof(struct mmc_test_dbgfs_file), GFP_KERNEL); | |
2968 | if (!df) { | |
2969 | debugfs_remove(file); | |
2970 | dev_err(&card->dev, | |
2971 | "Can't allocate memory for internal usage.\n"); | |
d5a5bd1c | 2972 | return -ENOMEM; |
130067ed AS |
2973 | } |
2974 | ||
2975 | df->card = card; | |
2976 | df->file = file; | |
2977 | ||
2978 | list_add(&df->link, &mmc_test_file_test); | |
d5a5bd1c AS |
2979 | return 0; |
2980 | } | |
2981 | ||
2982 | static int mmc_test_register_dbgfs_file(struct mmc_card *card) | |
2983 | { | |
2984 | int ret; | |
2985 | ||
2986 | mutex_lock(&mmc_test_lock); | |
2987 | ||
2988 | ret = __mmc_test_register_dbgfs_file(card, "test", S_IWUSR | S_IRUGO, | |
2989 | &mmc_test_fops_test); | |
2990 | if (ret) | |
2991 | goto err; | |
2992 | ||
2993 | ret = __mmc_test_register_dbgfs_file(card, "testlist", S_IRUGO, | |
2994 | &mmc_test_fops_testlist); | |
2995 | if (ret) | |
2996 | goto err; | |
130067ed AS |
2997 | |
2998 | err: | |
2999 | mutex_unlock(&mmc_test_lock); | |
3000 | ||
3001 | return ret; | |
3002 | } | |
88ae600d PO |
3003 | |
3004 | static int mmc_test_probe(struct mmc_card *card) | |
3005 | { | |
3006 | int ret; | |
3007 | ||
63be54ce | 3008 | if (!mmc_card_mmc(card) && !mmc_card_sd(card)) |
0121a982 PO |
3009 | return -ENODEV; |
3010 | ||
d5a5bd1c | 3011 | ret = mmc_test_register_dbgfs_file(card); |
88ae600d PO |
3012 | if (ret) |
3013 | return ret; | |
3014 | ||
60c9c7b1 PO |
3015 | dev_info(&card->dev, "Card claimed for testing.\n"); |
3016 | ||
88ae600d PO |
3017 | return 0; |
3018 | } | |
3019 | ||
3020 | static void mmc_test_remove(struct mmc_card *card) | |
3021 | { | |
3183aa15 | 3022 | mmc_test_free_result(card); |
d5a5bd1c | 3023 | mmc_test_free_dbgfs_file(card); |
88ae600d PO |
3024 | } |
3025 | ||
3026 | static struct mmc_driver mmc_driver = { | |
3027 | .drv = { | |
3028 | .name = "mmc_test", | |
3029 | }, | |
3030 | .probe = mmc_test_probe, | |
3031 | .remove = mmc_test_remove, | |
3032 | }; | |
3033 | ||
3034 | static int __init mmc_test_init(void) | |
3035 | { | |
3036 | return mmc_register_driver(&mmc_driver); | |
3037 | } | |
3038 | ||
3039 | static void __exit mmc_test_exit(void) | |
3040 | { | |
3183aa15 AS |
3041 | /* Clear stalled data if card is still plugged */ |
3042 | mmc_test_free_result(NULL); | |
d5a5bd1c | 3043 | mmc_test_free_dbgfs_file(NULL); |
3183aa15 | 3044 | |
88ae600d PO |
3045 | mmc_unregister_driver(&mmc_driver); |
3046 | } | |
3047 | ||
3048 | module_init(mmc_test_init); | |
3049 | module_exit(mmc_test_exit); | |
3050 | ||
3051 | MODULE_LICENSE("GPL"); | |
3052 | MODULE_DESCRIPTION("Multimedia Card (MMC) host test driver"); | |
3053 | MODULE_AUTHOR("Pierre Ossman"); |