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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> | |
88b47679 | 25 | #include <linux/module.h> |
130067ed | 26 | |
88ae600d PO |
27 | #define RESULT_OK 0 |
28 | #define RESULT_FAIL 1 | |
29 | #define RESULT_UNSUP_HOST 2 | |
30 | #define RESULT_UNSUP_CARD 3 | |
31 | ||
2661081f PO |
32 | #define BUFFER_ORDER 2 |
33 | #define BUFFER_SIZE (PAGE_SIZE << BUFFER_ORDER) | |
88ae600d | 34 | |
fec4dcce AH |
35 | /* |
36 | * Limit the test area size to the maximum MMC HC erase group size. Note that | |
37 | * the maximum SD allocation unit size is just 4MiB. | |
38 | */ | |
39 | #define TEST_AREA_MAX_SIZE (128 * 1024 * 1024) | |
40 | ||
64f7120d AH |
41 | /** |
42 | * struct mmc_test_pages - pages allocated by 'alloc_pages()'. | |
43 | * @page: first page in the allocation | |
44 | * @order: order of the number of pages allocated | |
45 | */ | |
46 | struct mmc_test_pages { | |
47 | struct page *page; | |
48 | unsigned int order; | |
49 | }; | |
50 | ||
51 | /** | |
52 | * struct mmc_test_mem - allocated memory. | |
53 | * @arr: array of allocations | |
54 | * @cnt: number of allocations | |
55 | */ | |
56 | struct mmc_test_mem { | |
57 | struct mmc_test_pages *arr; | |
58 | unsigned int cnt; | |
59 | }; | |
60 | ||
61 | /** | |
62 | * struct mmc_test_area - information for performance tests. | |
64f7120d | 63 | * @max_sz: test area size (in bytes) |
fec4dcce | 64 | * @dev_addr: address on card at which to do performance tests |
c8c8c1bd AH |
65 | * @max_tfr: maximum transfer size allowed by driver (in bytes) |
66 | * @max_segs: maximum segments allowed by driver in scatterlist @sg | |
67 | * @max_seg_sz: maximum segment size allowed by driver | |
64f7120d AH |
68 | * @blocks: number of (512 byte) blocks currently mapped by @sg |
69 | * @sg_len: length of currently mapped scatterlist @sg | |
70 | * @mem: allocated memory | |
71 | * @sg: scatterlist | |
72 | */ | |
73 | struct mmc_test_area { | |
fec4dcce | 74 | unsigned long max_sz; |
64f7120d | 75 | unsigned int dev_addr; |
c8c8c1bd | 76 | unsigned int max_tfr; |
64f7120d | 77 | unsigned int max_segs; |
c8c8c1bd | 78 | unsigned int max_seg_sz; |
64f7120d AH |
79 | unsigned int blocks; |
80 | unsigned int sg_len; | |
81 | struct mmc_test_mem *mem; | |
82 | struct scatterlist *sg; | |
83 | }; | |
84 | ||
3183aa15 AS |
85 | /** |
86 | * struct mmc_test_transfer_result - transfer results for performance tests. | |
87 | * @link: double-linked list | |
88 | * @count: amount of group of sectors to check | |
89 | * @sectors: amount of sectors to check in one group | |
90 | * @ts: time values of transfer | |
91 | * @rate: calculated transfer rate | |
b6056d12 | 92 | * @iops: I/O operations per second (times 100) |
3183aa15 AS |
93 | */ |
94 | struct mmc_test_transfer_result { | |
95 | struct list_head link; | |
96 | unsigned int count; | |
97 | unsigned int sectors; | |
98 | struct timespec ts; | |
99 | unsigned int rate; | |
b6056d12 | 100 | unsigned int iops; |
3183aa15 AS |
101 | }; |
102 | ||
103 | /** | |
104 | * struct mmc_test_general_result - results for tests. | |
105 | * @link: double-linked list | |
106 | * @card: card under test | |
107 | * @testcase: number of test case | |
108 | * @result: result of test run | |
109 | * @tr_lst: transfer measurements if any as mmc_test_transfer_result | |
110 | */ | |
111 | struct mmc_test_general_result { | |
112 | struct list_head link; | |
113 | struct mmc_card *card; | |
114 | int testcase; | |
115 | int result; | |
116 | struct list_head tr_lst; | |
117 | }; | |
118 | ||
130067ed AS |
119 | /** |
120 | * struct mmc_test_dbgfs_file - debugfs related file. | |
121 | * @link: double-linked list | |
122 | * @card: card under test | |
123 | * @file: file created under debugfs | |
124 | */ | |
125 | struct mmc_test_dbgfs_file { | |
126 | struct list_head link; | |
127 | struct mmc_card *card; | |
128 | struct dentry *file; | |
129 | }; | |
130 | ||
64f7120d AH |
131 | /** |
132 | * struct mmc_test_card - test information. | |
133 | * @card: card under test | |
134 | * @scratch: transfer buffer | |
135 | * @buffer: transfer buffer | |
136 | * @highmem: buffer for highmem tests | |
137 | * @area: information for performance tests | |
3183aa15 | 138 | * @gr: pointer to results of current testcase |
64f7120d | 139 | */ |
88ae600d PO |
140 | struct mmc_test_card { |
141 | struct mmc_card *card; | |
142 | ||
6b174931 | 143 | u8 scratch[BUFFER_SIZE]; |
88ae600d | 144 | u8 *buffer; |
2661081f PO |
145 | #ifdef CONFIG_HIGHMEM |
146 | struct page *highmem; | |
147 | #endif | |
3183aa15 AS |
148 | struct mmc_test_area area; |
149 | struct mmc_test_general_result *gr; | |
88ae600d PO |
150 | }; |
151 | ||
9f9c4180 PF |
152 | enum mmc_test_prep_media { |
153 | MMC_TEST_PREP_NONE = 0, | |
154 | MMC_TEST_PREP_WRITE_FULL = 1 << 0, | |
155 | MMC_TEST_PREP_ERASE = 1 << 1, | |
156 | }; | |
157 | ||
158 | struct mmc_test_multiple_rw { | |
bf043330 | 159 | unsigned int *sg_len; |
9f9c4180 PF |
160 | unsigned int *bs; |
161 | unsigned int len; | |
162 | unsigned int size; | |
163 | bool do_write; | |
164 | bool do_nonblock_req; | |
165 | enum mmc_test_prep_media prepare; | |
166 | }; | |
167 | ||
168 | struct mmc_test_async_req { | |
169 | struct mmc_async_req areq; | |
170 | struct mmc_test_card *test; | |
171 | }; | |
172 | ||
88ae600d | 173 | /*******************************************************************/ |
6b174931 | 174 | /* General helper functions */ |
88ae600d PO |
175 | /*******************************************************************/ |
176 | ||
6b174931 PO |
177 | /* |
178 | * Configure correct block size in card | |
179 | */ | |
88ae600d PO |
180 | static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size) |
181 | { | |
0f8d8ea6 | 182 | return mmc_set_blocklen(test->card, size); |
88ae600d PO |
183 | } |
184 | ||
6b174931 PO |
185 | /* |
186 | * Fill in the mmc_request structure given a set of transfer parameters. | |
187 | */ | |
188 | static void mmc_test_prepare_mrq(struct mmc_test_card *test, | |
189 | struct mmc_request *mrq, struct scatterlist *sg, unsigned sg_len, | |
190 | unsigned dev_addr, unsigned blocks, unsigned blksz, int write) | |
88ae600d | 191 | { |
6b174931 | 192 | BUG_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop); |
88ae600d | 193 | |
6b174931 PO |
194 | if (blocks > 1) { |
195 | mrq->cmd->opcode = write ? | |
196 | MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK; | |
88ae600d | 197 | } else { |
6b174931 PO |
198 | mrq->cmd->opcode = write ? |
199 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
88ae600d PO |
200 | } |
201 | ||
6b174931 | 202 | mrq->cmd->arg = dev_addr; |
c286d03c JK |
203 | if (!mmc_card_blockaddr(test->card)) |
204 | mrq->cmd->arg <<= 9; | |
205 | ||
6b174931 | 206 | mrq->cmd->flags = MMC_RSP_R1 | MMC_CMD_ADTC; |
88ae600d | 207 | |
6b174931 PO |
208 | if (blocks == 1) |
209 | mrq->stop = NULL; | |
210 | else { | |
211 | mrq->stop->opcode = MMC_STOP_TRANSMISSION; | |
212 | mrq->stop->arg = 0; | |
213 | mrq->stop->flags = MMC_RSP_R1B | MMC_CMD_AC; | |
88ae600d PO |
214 | } |
215 | ||
6b174931 PO |
216 | mrq->data->blksz = blksz; |
217 | mrq->data->blocks = blocks; | |
218 | mrq->data->flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; | |
219 | mrq->data->sg = sg; | |
220 | mrq->data->sg_len = sg_len; | |
88ae600d | 221 | |
6b174931 PO |
222 | mmc_set_data_timeout(mrq->data, test->card); |
223 | } | |
88ae600d | 224 | |
64f7120d AH |
225 | static int mmc_test_busy(struct mmc_command *cmd) |
226 | { | |
227 | return !(cmd->resp[0] & R1_READY_FOR_DATA) || | |
7435bb79 | 228 | (R1_CURRENT_STATE(cmd->resp[0]) == R1_STATE_PRG); |
64f7120d AH |
229 | } |
230 | ||
6b174931 PO |
231 | /* |
232 | * Wait for the card to finish the busy state | |
233 | */ | |
234 | static int mmc_test_wait_busy(struct mmc_test_card *test) | |
235 | { | |
236 | int ret, busy; | |
1278dba1 | 237 | struct mmc_command cmd = {0}; |
88ae600d PO |
238 | |
239 | busy = 0; | |
240 | do { | |
88ae600d PO |
241 | memset(&cmd, 0, sizeof(struct mmc_command)); |
242 | ||
243 | cmd.opcode = MMC_SEND_STATUS; | |
244 | cmd.arg = test->card->rca << 16; | |
245 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; | |
246 | ||
6b174931 PO |
247 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); |
248 | if (ret) | |
88ae600d PO |
249 | break; |
250 | ||
64f7120d | 251 | if (!busy && mmc_test_busy(&cmd)) { |
88ae600d | 252 | busy = 1; |
54d6b44a | 253 | if (test->card->host->caps & MMC_CAP_WAIT_WHILE_BUSY) |
a3c76eb9 | 254 | pr_info("%s: Warning: Host did not " |
54d6b44a PM |
255 | "wait for busy state to end.\n", |
256 | mmc_hostname(test->card->host)); | |
88ae600d | 257 | } |
64f7120d | 258 | } while (mmc_test_busy(&cmd)); |
88ae600d PO |
259 | |
260 | return ret; | |
261 | } | |
262 | ||
6b174931 PO |
263 | /* |
264 | * Transfer a single sector of kernel addressable data | |
265 | */ | |
266 | static int mmc_test_buffer_transfer(struct mmc_test_card *test, | |
267 | u8 *buffer, unsigned addr, unsigned blksz, int write) | |
88ae600d | 268 | { |
6b174931 PO |
269 | int ret; |
270 | ||
24f5b53b | 271 | struct mmc_request mrq = {0}; |
1278dba1 CB |
272 | struct mmc_command cmd = {0}; |
273 | struct mmc_command stop = {0}; | |
a61ad2b4 | 274 | struct mmc_data data = {0}; |
6b174931 PO |
275 | |
276 | struct scatterlist sg; | |
277 | ||
6b174931 PO |
278 | mrq.cmd = &cmd; |
279 | mrq.data = &data; | |
280 | mrq.stop = &stop; | |
281 | ||
282 | sg_init_one(&sg, buffer, blksz); | |
283 | ||
284 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write); | |
285 | ||
286 | mmc_wait_for_req(test->card->host, &mrq); | |
287 | ||
288 | if (cmd.error) | |
289 | return cmd.error; | |
290 | if (data.error) | |
291 | return data.error; | |
292 | ||
293 | ret = mmc_test_wait_busy(test); | |
294 | if (ret) | |
295 | return ret; | |
296 | ||
297 | return 0; | |
88ae600d PO |
298 | } |
299 | ||
64f7120d AH |
300 | static void mmc_test_free_mem(struct mmc_test_mem *mem) |
301 | { | |
302 | if (!mem) | |
303 | return; | |
304 | while (mem->cnt--) | |
305 | __free_pages(mem->arr[mem->cnt].page, | |
306 | mem->arr[mem->cnt].order); | |
307 | kfree(mem->arr); | |
308 | kfree(mem); | |
309 | } | |
310 | ||
311 | /* | |
25985edc | 312 | * Allocate a lot of memory, preferably max_sz but at least min_sz. In case |
c8c8c1bd AH |
313 | * there isn't much memory do not exceed 1/16th total lowmem pages. Also do |
314 | * not exceed a maximum number of segments and try not to make segments much | |
315 | * bigger than maximum segment size. | |
64f7120d | 316 | */ |
fec4dcce | 317 | static struct mmc_test_mem *mmc_test_alloc_mem(unsigned long min_sz, |
c8c8c1bd AH |
318 | unsigned long max_sz, |
319 | unsigned int max_segs, | |
320 | unsigned int max_seg_sz) | |
64f7120d | 321 | { |
fec4dcce AH |
322 | unsigned long max_page_cnt = DIV_ROUND_UP(max_sz, PAGE_SIZE); |
323 | unsigned long min_page_cnt = DIV_ROUND_UP(min_sz, PAGE_SIZE); | |
c8c8c1bd | 324 | unsigned long max_seg_page_cnt = DIV_ROUND_UP(max_seg_sz, PAGE_SIZE); |
fec4dcce AH |
325 | unsigned long page_cnt = 0; |
326 | unsigned long limit = nr_free_buffer_pages() >> 4; | |
64f7120d | 327 | struct mmc_test_mem *mem; |
64f7120d | 328 | |
fec4dcce AH |
329 | if (max_page_cnt > limit) |
330 | max_page_cnt = limit; | |
3d203be8 AH |
331 | if (min_page_cnt > max_page_cnt) |
332 | min_page_cnt = max_page_cnt; | |
64f7120d | 333 | |
c8c8c1bd AH |
334 | if (max_seg_page_cnt > max_page_cnt) |
335 | max_seg_page_cnt = max_page_cnt; | |
336 | ||
337 | if (max_segs > max_page_cnt) | |
338 | max_segs = max_page_cnt; | |
339 | ||
64f7120d AH |
340 | mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL); |
341 | if (!mem) | |
342 | return NULL; | |
343 | ||
c8c8c1bd | 344 | mem->arr = kzalloc(sizeof(struct mmc_test_pages) * max_segs, |
64f7120d AH |
345 | GFP_KERNEL); |
346 | if (!mem->arr) | |
347 | goto out_free; | |
348 | ||
349 | while (max_page_cnt) { | |
350 | struct page *page; | |
351 | unsigned int order; | |
352 | gfp_t flags = GFP_KERNEL | GFP_DMA | __GFP_NOWARN | | |
353 | __GFP_NORETRY; | |
354 | ||
c8c8c1bd | 355 | order = get_order(max_seg_page_cnt << PAGE_SHIFT); |
64f7120d AH |
356 | while (1) { |
357 | page = alloc_pages(flags, order); | |
358 | if (page || !order) | |
359 | break; | |
360 | order -= 1; | |
361 | } | |
362 | if (!page) { | |
363 | if (page_cnt < min_page_cnt) | |
364 | goto out_free; | |
365 | break; | |
366 | } | |
367 | mem->arr[mem->cnt].page = page; | |
368 | mem->arr[mem->cnt].order = order; | |
369 | mem->cnt += 1; | |
fec4dcce AH |
370 | if (max_page_cnt <= (1UL << order)) |
371 | break; | |
3d203be8 AH |
372 | max_page_cnt -= 1UL << order; |
373 | page_cnt += 1UL << order; | |
c8c8c1bd AH |
374 | if (mem->cnt >= max_segs) { |
375 | if (page_cnt < min_page_cnt) | |
376 | goto out_free; | |
377 | break; | |
378 | } | |
64f7120d AH |
379 | } |
380 | ||
381 | return mem; | |
382 | ||
383 | out_free: | |
384 | mmc_test_free_mem(mem); | |
385 | return NULL; | |
386 | } | |
387 | ||
388 | /* | |
389 | * Map memory into a scatterlist. Optionally allow the same memory to be | |
390 | * mapped more than once. | |
391 | */ | |
bf043330 | 392 | static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long size, |
64f7120d | 393 | struct scatterlist *sglist, int repeat, |
c8c8c1bd | 394 | unsigned int max_segs, unsigned int max_seg_sz, |
bf043330 | 395 | unsigned int *sg_len, int min_sg_len) |
64f7120d AH |
396 | { |
397 | struct scatterlist *sg = NULL; | |
398 | unsigned int i; | |
bf043330 | 399 | unsigned long sz = size; |
64f7120d AH |
400 | |
401 | sg_init_table(sglist, max_segs); | |
bf043330 PF |
402 | if (min_sg_len > max_segs) |
403 | min_sg_len = max_segs; | |
64f7120d AH |
404 | |
405 | *sg_len = 0; | |
406 | do { | |
407 | for (i = 0; i < mem->cnt; i++) { | |
fec4dcce | 408 | unsigned long len = PAGE_SIZE << mem->arr[i].order; |
64f7120d | 409 | |
bf043330 PF |
410 | if (min_sg_len && (size / min_sg_len < len)) |
411 | len = ALIGN(size / min_sg_len, 512); | |
c8c8c1bd | 412 | if (len > sz) |
64f7120d | 413 | len = sz; |
c8c8c1bd AH |
414 | if (len > max_seg_sz) |
415 | len = max_seg_sz; | |
64f7120d AH |
416 | if (sg) |
417 | sg = sg_next(sg); | |
418 | else | |
419 | sg = sglist; | |
420 | if (!sg) | |
421 | return -EINVAL; | |
422 | sg_set_page(sg, mem->arr[i].page, len, 0); | |
423 | sz -= len; | |
424 | *sg_len += 1; | |
425 | if (!sz) | |
426 | break; | |
427 | } | |
428 | } while (sz && repeat); | |
429 | ||
430 | if (sz) | |
431 | return -EINVAL; | |
432 | ||
433 | if (sg) | |
434 | sg_mark_end(sg); | |
435 | ||
436 | return 0; | |
437 | } | |
438 | ||
439 | /* | |
440 | * Map memory into a scatterlist so that no pages are contiguous. Allow the | |
441 | * same memory to be mapped more than once. | |
442 | */ | |
443 | static int mmc_test_map_sg_max_scatter(struct mmc_test_mem *mem, | |
fec4dcce | 444 | unsigned long sz, |
64f7120d AH |
445 | struct scatterlist *sglist, |
446 | unsigned int max_segs, | |
c8c8c1bd | 447 | unsigned int max_seg_sz, |
64f7120d AH |
448 | unsigned int *sg_len) |
449 | { | |
450 | struct scatterlist *sg = NULL; | |
fec4dcce AH |
451 | unsigned int i = mem->cnt, cnt; |
452 | unsigned long len; | |
64f7120d AH |
453 | void *base, *addr, *last_addr = NULL; |
454 | ||
455 | sg_init_table(sglist, max_segs); | |
456 | ||
457 | *sg_len = 0; | |
c8c8c1bd | 458 | while (sz) { |
64f7120d AH |
459 | base = page_address(mem->arr[--i].page); |
460 | cnt = 1 << mem->arr[i].order; | |
461 | while (sz && cnt) { | |
462 | addr = base + PAGE_SIZE * --cnt; | |
463 | if (last_addr && last_addr + PAGE_SIZE == addr) | |
464 | continue; | |
465 | last_addr = addr; | |
466 | len = PAGE_SIZE; | |
c8c8c1bd AH |
467 | if (len > max_seg_sz) |
468 | len = max_seg_sz; | |
469 | if (len > sz) | |
64f7120d AH |
470 | len = sz; |
471 | if (sg) | |
472 | sg = sg_next(sg); | |
473 | else | |
474 | sg = sglist; | |
475 | if (!sg) | |
476 | return -EINVAL; | |
477 | sg_set_page(sg, virt_to_page(addr), len, 0); | |
478 | sz -= len; | |
479 | *sg_len += 1; | |
480 | } | |
c8c8c1bd AH |
481 | if (i == 0) |
482 | i = mem->cnt; | |
64f7120d AH |
483 | } |
484 | ||
485 | if (sg) | |
486 | sg_mark_end(sg); | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
491 | /* | |
492 | * Calculate transfer rate in bytes per second. | |
493 | */ | |
494 | static unsigned int mmc_test_rate(uint64_t bytes, struct timespec *ts) | |
495 | { | |
496 | uint64_t ns; | |
497 | ||
498 | ns = ts->tv_sec; | |
499 | ns *= 1000000000; | |
500 | ns += ts->tv_nsec; | |
501 | ||
502 | bytes *= 1000000000; | |
503 | ||
504 | while (ns > UINT_MAX) { | |
505 | bytes >>= 1; | |
506 | ns >>= 1; | |
507 | } | |
508 | ||
509 | if (!ns) | |
510 | return 0; | |
511 | ||
512 | do_div(bytes, (uint32_t)ns); | |
513 | ||
514 | return bytes; | |
515 | } | |
516 | ||
3183aa15 AS |
517 | /* |
518 | * Save transfer results for future usage | |
519 | */ | |
520 | static void mmc_test_save_transfer_result(struct mmc_test_card *test, | |
521 | unsigned int count, unsigned int sectors, struct timespec ts, | |
b6056d12 | 522 | unsigned int rate, unsigned int iops) |
3183aa15 AS |
523 | { |
524 | struct mmc_test_transfer_result *tr; | |
525 | ||
526 | if (!test->gr) | |
527 | return; | |
528 | ||
529 | tr = kmalloc(sizeof(struct mmc_test_transfer_result), GFP_KERNEL); | |
530 | if (!tr) | |
531 | return; | |
532 | ||
533 | tr->count = count; | |
534 | tr->sectors = sectors; | |
535 | tr->ts = ts; | |
536 | tr->rate = rate; | |
b6056d12 | 537 | tr->iops = iops; |
3183aa15 AS |
538 | |
539 | list_add_tail(&tr->link, &test->gr->tr_lst); | |
540 | } | |
541 | ||
64f7120d AH |
542 | /* |
543 | * Print the transfer rate. | |
544 | */ | |
545 | static void mmc_test_print_rate(struct mmc_test_card *test, uint64_t bytes, | |
546 | struct timespec *ts1, struct timespec *ts2) | |
547 | { | |
b6056d12 | 548 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
549 | struct timespec ts; |
550 | ||
551 | ts = timespec_sub(*ts2, *ts1); | |
552 | ||
553 | rate = mmc_test_rate(bytes, &ts); | |
b6056d12 | 554 | iops = mmc_test_rate(100, &ts); /* I/O ops per sec x 100 */ |
64f7120d | 555 | |
a3c76eb9 | 556 | pr_info("%s: Transfer of %u sectors (%u%s KiB) took %lu.%09lu " |
b6056d12 | 557 | "seconds (%u kB/s, %u KiB/s, %u.%02u IOPS)\n", |
64f7120d | 558 | mmc_hostname(test->card->host), sectors, sectors >> 1, |
c27d37ae | 559 | (sectors & 1 ? ".5" : ""), (unsigned long)ts.tv_sec, |
b6056d12 AH |
560 | (unsigned long)ts.tv_nsec, rate / 1000, rate / 1024, |
561 | iops / 100, iops % 100); | |
3183aa15 | 562 | |
b6056d12 | 563 | mmc_test_save_transfer_result(test, 1, sectors, ts, rate, iops); |
64f7120d AH |
564 | } |
565 | ||
566 | /* | |
567 | * Print the average transfer rate. | |
568 | */ | |
569 | static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, | |
570 | unsigned int count, struct timespec *ts1, | |
571 | struct timespec *ts2) | |
572 | { | |
b6056d12 | 573 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
574 | uint64_t tot = bytes * count; |
575 | struct timespec ts; | |
576 | ||
577 | ts = timespec_sub(*ts2, *ts1); | |
578 | ||
579 | rate = mmc_test_rate(tot, &ts); | |
b6056d12 | 580 | iops = mmc_test_rate(count * 100, &ts); /* I/O ops per sec x 100 */ |
64f7120d | 581 | |
a3c76eb9 | 582 | pr_info("%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " |
b6056d12 | 583 | "%lu.%09lu seconds (%u kB/s, %u KiB/s, " |
bf043330 | 584 | "%u.%02u IOPS, sg_len %d)\n", |
64f7120d | 585 | mmc_hostname(test->card->host), count, sectors, count, |
c27d37ae | 586 | sectors >> 1, (sectors & 1 ? ".5" : ""), |
64f7120d | 587 | (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, |
bf043330 PF |
588 | rate / 1000, rate / 1024, iops / 100, iops % 100, |
589 | test->area.sg_len); | |
3183aa15 | 590 | |
b6056d12 | 591 | mmc_test_save_transfer_result(test, count, sectors, ts, rate, iops); |
64f7120d AH |
592 | } |
593 | ||
594 | /* | |
595 | * Return the card size in sectors. | |
596 | */ | |
597 | static unsigned int mmc_test_capacity(struct mmc_card *card) | |
598 | { | |
599 | if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) | |
600 | return card->ext_csd.sectors; | |
601 | else | |
602 | return card->csd.capacity << (card->csd.read_blkbits - 9); | |
603 | } | |
604 | ||
6b174931 PO |
605 | /*******************************************************************/ |
606 | /* Test preparation and cleanup */ | |
607 | /*******************************************************************/ | |
608 | ||
609 | /* | |
610 | * Fill the first couple of sectors of the card with known data | |
611 | * so that bad reads/writes can be detected | |
612 | */ | |
613 | static int __mmc_test_prepare(struct mmc_test_card *test, int write) | |
88ae600d PO |
614 | { |
615 | int ret, i; | |
616 | ||
617 | ret = mmc_test_set_blksize(test, 512); | |
618 | if (ret) | |
619 | return ret; | |
620 | ||
621 | if (write) | |
6b174931 | 622 | memset(test->buffer, 0xDF, 512); |
88ae600d | 623 | else { |
6b174931 | 624 | for (i = 0;i < 512;i++) |
88ae600d PO |
625 | test->buffer[i] = i; |
626 | } | |
627 | ||
628 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 629 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
88ae600d PO |
630 | if (ret) |
631 | return ret; | |
632 | } | |
633 | ||
634 | return 0; | |
635 | } | |
636 | ||
6b174931 PO |
637 | static int mmc_test_prepare_write(struct mmc_test_card *test) |
638 | { | |
639 | return __mmc_test_prepare(test, 1); | |
640 | } | |
641 | ||
642 | static int mmc_test_prepare_read(struct mmc_test_card *test) | |
643 | { | |
644 | return __mmc_test_prepare(test, 0); | |
645 | } | |
646 | ||
647 | static int mmc_test_cleanup(struct mmc_test_card *test) | |
648 | { | |
649 | int ret, i; | |
650 | ||
651 | ret = mmc_test_set_blksize(test, 512); | |
652 | if (ret) | |
653 | return ret; | |
654 | ||
655 | memset(test->buffer, 0, 512); | |
656 | ||
657 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 658 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
6b174931 PO |
659 | if (ret) |
660 | return ret; | |
661 | } | |
662 | ||
663 | return 0; | |
664 | } | |
665 | ||
666 | /*******************************************************************/ | |
667 | /* Test execution helpers */ | |
668 | /*******************************************************************/ | |
669 | ||
670 | /* | |
671 | * Modifies the mmc_request to perform the "short transfer" tests | |
672 | */ | |
673 | static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, | |
674 | struct mmc_request *mrq, int write) | |
675 | { | |
676 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
677 | ||
678 | if (mrq->data->blocks > 1) { | |
679 | mrq->cmd->opcode = write ? | |
680 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
681 | mrq->stop = NULL; | |
682 | } else { | |
683 | mrq->cmd->opcode = MMC_SEND_STATUS; | |
684 | mrq->cmd->arg = test->card->rca << 16; | |
685 | } | |
686 | } | |
687 | ||
688 | /* | |
689 | * Checks that a normal transfer didn't have any errors | |
690 | */ | |
691 | static int mmc_test_check_result(struct mmc_test_card *test, | |
9f9c4180 | 692 | struct mmc_request *mrq) |
88ae600d | 693 | { |
6b174931 PO |
694 | int ret; |
695 | ||
696 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
697 | ||
698 | ret = 0; | |
699 | ||
700 | if (!ret && mrq->cmd->error) | |
701 | ret = mrq->cmd->error; | |
702 | if (!ret && mrq->data->error) | |
703 | ret = mrq->data->error; | |
704 | if (!ret && mrq->stop && mrq->stop->error) | |
705 | ret = mrq->stop->error; | |
706 | if (!ret && mrq->data->bytes_xfered != | |
707 | mrq->data->blocks * mrq->data->blksz) | |
708 | ret = RESULT_FAIL; | |
709 | ||
710 | if (ret == -EINVAL) | |
711 | ret = RESULT_UNSUP_HOST; | |
712 | ||
713 | return ret; | |
88ae600d PO |
714 | } |
715 | ||
9f9c4180 PF |
716 | static int mmc_test_check_result_async(struct mmc_card *card, |
717 | struct mmc_async_req *areq) | |
718 | { | |
719 | struct mmc_test_async_req *test_async = | |
720 | container_of(areq, struct mmc_test_async_req, areq); | |
721 | ||
722 | mmc_test_wait_busy(test_async->test); | |
723 | ||
724 | return mmc_test_check_result(test_async->test, areq->mrq); | |
725 | } | |
726 | ||
6b174931 PO |
727 | /* |
728 | * Checks that a "short transfer" behaved as expected | |
729 | */ | |
730 | static int mmc_test_check_broken_result(struct mmc_test_card *test, | |
731 | struct mmc_request *mrq) | |
88ae600d | 732 | { |
6b174931 PO |
733 | int ret; |
734 | ||
735 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
736 | ||
737 | ret = 0; | |
738 | ||
739 | if (!ret && mrq->cmd->error) | |
740 | ret = mrq->cmd->error; | |
741 | if (!ret && mrq->data->error == 0) | |
742 | ret = RESULT_FAIL; | |
743 | if (!ret && mrq->data->error != -ETIMEDOUT) | |
744 | ret = mrq->data->error; | |
745 | if (!ret && mrq->stop && mrq->stop->error) | |
746 | ret = mrq->stop->error; | |
747 | if (mrq->data->blocks > 1) { | |
748 | if (!ret && mrq->data->bytes_xfered > mrq->data->blksz) | |
749 | ret = RESULT_FAIL; | |
750 | } else { | |
751 | if (!ret && mrq->data->bytes_xfered > 0) | |
752 | ret = RESULT_FAIL; | |
753 | } | |
754 | ||
755 | if (ret == -EINVAL) | |
756 | ret = RESULT_UNSUP_HOST; | |
757 | ||
758 | return ret; | |
88ae600d PO |
759 | } |
760 | ||
9f9c4180 PF |
761 | /* |
762 | * Tests nonblock transfer with certain parameters | |
763 | */ | |
764 | static void mmc_test_nonblock_reset(struct mmc_request *mrq, | |
765 | struct mmc_command *cmd, | |
766 | struct mmc_command *stop, | |
767 | struct mmc_data *data) | |
768 | { | |
769 | memset(mrq, 0, sizeof(struct mmc_request)); | |
770 | memset(cmd, 0, sizeof(struct mmc_command)); | |
771 | memset(data, 0, sizeof(struct mmc_data)); | |
772 | memset(stop, 0, sizeof(struct mmc_command)); | |
773 | ||
774 | mrq->cmd = cmd; | |
775 | mrq->data = data; | |
776 | mrq->stop = stop; | |
777 | } | |
778 | static int mmc_test_nonblock_transfer(struct mmc_test_card *test, | |
779 | struct scatterlist *sg, unsigned sg_len, | |
780 | unsigned dev_addr, unsigned blocks, | |
781 | unsigned blksz, int write, int count) | |
782 | { | |
783 | struct mmc_request mrq1; | |
784 | struct mmc_command cmd1; | |
785 | struct mmc_command stop1; | |
786 | struct mmc_data data1; | |
787 | ||
788 | struct mmc_request mrq2; | |
789 | struct mmc_command cmd2; | |
790 | struct mmc_command stop2; | |
791 | struct mmc_data data2; | |
792 | ||
793 | struct mmc_test_async_req test_areq[2]; | |
794 | struct mmc_async_req *done_areq; | |
795 | struct mmc_async_req *cur_areq = &test_areq[0].areq; | |
796 | struct mmc_async_req *other_areq = &test_areq[1].areq; | |
797 | int i; | |
798 | int ret; | |
799 | ||
800 | test_areq[0].test = test; | |
801 | test_areq[1].test = test; | |
802 | ||
803 | mmc_test_nonblock_reset(&mrq1, &cmd1, &stop1, &data1); | |
804 | mmc_test_nonblock_reset(&mrq2, &cmd2, &stop2, &data2); | |
805 | ||
806 | cur_areq->mrq = &mrq1; | |
807 | cur_areq->err_check = mmc_test_check_result_async; | |
808 | other_areq->mrq = &mrq2; | |
809 | other_areq->err_check = mmc_test_check_result_async; | |
810 | ||
811 | for (i = 0; i < count; i++) { | |
812 | mmc_test_prepare_mrq(test, cur_areq->mrq, sg, sg_len, dev_addr, | |
813 | blocks, blksz, write); | |
814 | done_areq = mmc_start_req(test->card->host, cur_areq, &ret); | |
815 | ||
816 | if (ret || (!done_areq && i > 0)) | |
817 | goto err; | |
818 | ||
819 | if (done_areq) { | |
820 | if (done_areq->mrq == &mrq2) | |
821 | mmc_test_nonblock_reset(&mrq2, &cmd2, | |
822 | &stop2, &data2); | |
823 | else | |
824 | mmc_test_nonblock_reset(&mrq1, &cmd1, | |
825 | &stop1, &data1); | |
826 | } | |
827 | done_areq = cur_areq; | |
828 | cur_areq = other_areq; | |
829 | other_areq = done_areq; | |
830 | dev_addr += blocks; | |
831 | } | |
832 | ||
833 | done_areq = mmc_start_req(test->card->host, NULL, &ret); | |
834 | ||
835 | return ret; | |
836 | err: | |
837 | return ret; | |
838 | } | |
839 | ||
6b174931 PO |
840 | /* |
841 | * Tests a basic transfer with certain parameters | |
842 | */ | |
843 | static int mmc_test_simple_transfer(struct mmc_test_card *test, | |
844 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
845 | unsigned blocks, unsigned blksz, int write) | |
88ae600d | 846 | { |
24f5b53b | 847 | struct mmc_request mrq = {0}; |
1278dba1 CB |
848 | struct mmc_command cmd = {0}; |
849 | struct mmc_command stop = {0}; | |
a61ad2b4 | 850 | struct mmc_data data = {0}; |
88ae600d | 851 | |
6b174931 PO |
852 | mrq.cmd = &cmd; |
853 | mrq.data = &data; | |
854 | mrq.stop = &stop; | |
855 | ||
856 | mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr, | |
857 | blocks, blksz, write); | |
858 | ||
859 | mmc_wait_for_req(test->card->host, &mrq); | |
88ae600d | 860 | |
6b174931 PO |
861 | mmc_test_wait_busy(test); |
862 | ||
863 | return mmc_test_check_result(test, &mrq); | |
864 | } | |
865 | ||
866 | /* | |
867 | * Tests a transfer where the card will fail completely or partly | |
868 | */ | |
869 | static int mmc_test_broken_transfer(struct mmc_test_card *test, | |
870 | unsigned blocks, unsigned blksz, int write) | |
871 | { | |
24f5b53b | 872 | struct mmc_request mrq = {0}; |
1278dba1 CB |
873 | struct mmc_command cmd = {0}; |
874 | struct mmc_command stop = {0}; | |
a61ad2b4 | 875 | struct mmc_data data = {0}; |
6b174931 PO |
876 | |
877 | struct scatterlist sg; | |
878 | ||
6b174931 PO |
879 | mrq.cmd = &cmd; |
880 | mrq.data = &data; | |
881 | mrq.stop = &stop; | |
882 | ||
883 | sg_init_one(&sg, test->buffer, blocks * blksz); | |
884 | ||
885 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write); | |
886 | mmc_test_prepare_broken_mrq(test, &mrq, write); | |
887 | ||
888 | mmc_wait_for_req(test->card->host, &mrq); | |
889 | ||
890 | mmc_test_wait_busy(test); | |
891 | ||
892 | return mmc_test_check_broken_result(test, &mrq); | |
893 | } | |
894 | ||
895 | /* | |
896 | * Does a complete transfer test where data is also validated | |
897 | * | |
898 | * Note: mmc_test_prepare() must have been done before this call | |
899 | */ | |
900 | static int mmc_test_transfer(struct mmc_test_card *test, | |
901 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
902 | unsigned blocks, unsigned blksz, int write) | |
903 | { | |
904 | int ret, i; | |
905 | unsigned long flags; | |
88ae600d PO |
906 | |
907 | if (write) { | |
908 | for (i = 0;i < blocks * blksz;i++) | |
6b174931 PO |
909 | test->scratch[i] = i; |
910 | } else { | |
b7ac2cf1 | 911 | memset(test->scratch, 0, BUFFER_SIZE); |
88ae600d | 912 | } |
6b174931 | 913 | local_irq_save(flags); |
b7ac2cf1 | 914 | sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 915 | local_irq_restore(flags); |
88ae600d PO |
916 | |
917 | ret = mmc_test_set_blksize(test, blksz); | |
918 | if (ret) | |
919 | return ret; | |
920 | ||
6b174931 PO |
921 | ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr, |
922 | blocks, blksz, write); | |
88ae600d PO |
923 | if (ret) |
924 | return ret; | |
925 | ||
926 | if (write) { | |
6b174931 PO |
927 | int sectors; |
928 | ||
88ae600d PO |
929 | ret = mmc_test_set_blksize(test, 512); |
930 | if (ret) | |
931 | return ret; | |
932 | ||
933 | sectors = (blocks * blksz + 511) / 512; | |
934 | if ((sectors * 512) == (blocks * blksz)) | |
935 | sectors++; | |
936 | ||
937 | if ((sectors * 512) > BUFFER_SIZE) | |
938 | return -EINVAL; | |
939 | ||
940 | memset(test->buffer, 0, sectors * 512); | |
941 | ||
942 | for (i = 0;i < sectors;i++) { | |
6b174931 | 943 | ret = mmc_test_buffer_transfer(test, |
88ae600d | 944 | test->buffer + i * 512, |
c286d03c | 945 | dev_addr + i, 512, 0); |
88ae600d PO |
946 | if (ret) |
947 | return ret; | |
948 | } | |
949 | ||
950 | for (i = 0;i < blocks * blksz;i++) { | |
951 | if (test->buffer[i] != (u8)i) | |
952 | return RESULT_FAIL; | |
953 | } | |
954 | ||
955 | for (;i < sectors * 512;i++) { | |
956 | if (test->buffer[i] != 0xDF) | |
957 | return RESULT_FAIL; | |
958 | } | |
959 | } else { | |
6b174931 | 960 | local_irq_save(flags); |
b7ac2cf1 | 961 | sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 962 | local_irq_restore(flags); |
88ae600d | 963 | for (i = 0;i < blocks * blksz;i++) { |
6b174931 | 964 | if (test->scratch[i] != (u8)i) |
88ae600d PO |
965 | return RESULT_FAIL; |
966 | } | |
967 | } | |
968 | ||
969 | return 0; | |
970 | } | |
971 | ||
88ae600d PO |
972 | /*******************************************************************/ |
973 | /* Tests */ | |
974 | /*******************************************************************/ | |
975 | ||
976 | struct mmc_test_case { | |
977 | const char *name; | |
978 | ||
979 | int (*prepare)(struct mmc_test_card *); | |
980 | int (*run)(struct mmc_test_card *); | |
981 | int (*cleanup)(struct mmc_test_card *); | |
982 | }; | |
983 | ||
984 | static int mmc_test_basic_write(struct mmc_test_card *test) | |
985 | { | |
986 | int ret; | |
6b174931 | 987 | struct scatterlist sg; |
88ae600d PO |
988 | |
989 | ret = mmc_test_set_blksize(test, 512); | |
990 | if (ret) | |
991 | return ret; | |
992 | ||
6b174931 PO |
993 | sg_init_one(&sg, test->buffer, 512); |
994 | ||
995 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
996 | if (ret) |
997 | return ret; | |
998 | ||
999 | return 0; | |
1000 | } | |
1001 | ||
1002 | static int mmc_test_basic_read(struct mmc_test_card *test) | |
1003 | { | |
1004 | int ret; | |
6b174931 | 1005 | struct scatterlist sg; |
88ae600d PO |
1006 | |
1007 | ret = mmc_test_set_blksize(test, 512); | |
1008 | if (ret) | |
1009 | return ret; | |
1010 | ||
6b174931 PO |
1011 | sg_init_one(&sg, test->buffer, 512); |
1012 | ||
58a5dd3e | 1013 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
1014 | if (ret) |
1015 | return ret; | |
1016 | ||
1017 | return 0; | |
1018 | } | |
1019 | ||
1020 | static int mmc_test_verify_write(struct mmc_test_card *test) | |
1021 | { | |
1022 | int ret; | |
6b174931 PO |
1023 | struct scatterlist sg; |
1024 | ||
1025 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 1026 | |
6b174931 | 1027 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
88ae600d PO |
1028 | if (ret) |
1029 | return ret; | |
1030 | ||
1031 | return 0; | |
1032 | } | |
1033 | ||
1034 | static int mmc_test_verify_read(struct mmc_test_card *test) | |
1035 | { | |
1036 | int ret; | |
6b174931 PO |
1037 | struct scatterlist sg; |
1038 | ||
1039 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 1040 | |
6b174931 | 1041 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
1042 | if (ret) |
1043 | return ret; | |
1044 | ||
1045 | return 0; | |
1046 | } | |
1047 | ||
1048 | static int mmc_test_multi_write(struct mmc_test_card *test) | |
1049 | { | |
1050 | int ret; | |
1051 | unsigned int size; | |
6b174931 | 1052 | struct scatterlist sg; |
88ae600d PO |
1053 | |
1054 | if (test->card->host->max_blk_count == 1) | |
1055 | return RESULT_UNSUP_HOST; | |
1056 | ||
1057 | size = PAGE_SIZE * 2; | |
1058 | size = min(size, test->card->host->max_req_size); | |
1059 | size = min(size, test->card->host->max_seg_size); | |
1060 | size = min(size, test->card->host->max_blk_count * 512); | |
1061 | ||
1062 | if (size < 1024) | |
1063 | return RESULT_UNSUP_HOST; | |
1064 | ||
6b174931 PO |
1065 | sg_init_one(&sg, test->buffer, size); |
1066 | ||
1067 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1068 | if (ret) |
1069 | return ret; | |
1070 | ||
1071 | return 0; | |
1072 | } | |
1073 | ||
1074 | static int mmc_test_multi_read(struct mmc_test_card *test) | |
1075 | { | |
1076 | int ret; | |
1077 | unsigned int size; | |
6b174931 | 1078 | struct scatterlist sg; |
88ae600d PO |
1079 | |
1080 | if (test->card->host->max_blk_count == 1) | |
1081 | return RESULT_UNSUP_HOST; | |
1082 | ||
1083 | size = PAGE_SIZE * 2; | |
1084 | size = min(size, test->card->host->max_req_size); | |
1085 | size = min(size, test->card->host->max_seg_size); | |
1086 | size = min(size, test->card->host->max_blk_count * 512); | |
1087 | ||
1088 | if (size < 1024) | |
1089 | return RESULT_UNSUP_HOST; | |
1090 | ||
6b174931 PO |
1091 | sg_init_one(&sg, test->buffer, size); |
1092 | ||
1093 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1094 | if (ret) |
1095 | return ret; | |
1096 | ||
1097 | return 0; | |
1098 | } | |
1099 | ||
1100 | static int mmc_test_pow2_write(struct mmc_test_card *test) | |
1101 | { | |
1102 | int ret, i; | |
6b174931 | 1103 | struct scatterlist sg; |
88ae600d PO |
1104 | |
1105 | if (!test->card->csd.write_partial) | |
1106 | return RESULT_UNSUP_CARD; | |
1107 | ||
1108 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1109 | sg_init_one(&sg, test->buffer, i); |
1110 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1111 | if (ret) |
1112 | return ret; | |
1113 | } | |
1114 | ||
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | static int mmc_test_pow2_read(struct mmc_test_card *test) | |
1119 | { | |
1120 | int ret, i; | |
6b174931 | 1121 | struct scatterlist sg; |
88ae600d PO |
1122 | |
1123 | if (!test->card->csd.read_partial) | |
1124 | return RESULT_UNSUP_CARD; | |
1125 | ||
1126 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1127 | sg_init_one(&sg, test->buffer, i); |
1128 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1129 | if (ret) |
1130 | return ret; | |
1131 | } | |
1132 | ||
1133 | return 0; | |
1134 | } | |
1135 | ||
1136 | static int mmc_test_weird_write(struct mmc_test_card *test) | |
1137 | { | |
1138 | int ret, i; | |
6b174931 | 1139 | struct scatterlist sg; |
88ae600d PO |
1140 | |
1141 | if (!test->card->csd.write_partial) | |
1142 | return RESULT_UNSUP_CARD; | |
1143 | ||
1144 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1145 | sg_init_one(&sg, test->buffer, i); |
1146 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1147 | if (ret) |
1148 | return ret; | |
1149 | } | |
1150 | ||
1151 | return 0; | |
1152 | } | |
1153 | ||
1154 | static int mmc_test_weird_read(struct mmc_test_card *test) | |
1155 | { | |
1156 | int ret, i; | |
6b174931 | 1157 | struct scatterlist sg; |
88ae600d PO |
1158 | |
1159 | if (!test->card->csd.read_partial) | |
1160 | return RESULT_UNSUP_CARD; | |
1161 | ||
1162 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1163 | sg_init_one(&sg, test->buffer, i); |
1164 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1165 | if (ret) |
1166 | return ret; | |
1167 | } | |
1168 | ||
1169 | return 0; | |
1170 | } | |
1171 | ||
1172 | static int mmc_test_align_write(struct mmc_test_card *test) | |
1173 | { | |
1174 | int ret, i; | |
6b174931 | 1175 | struct scatterlist sg; |
88ae600d PO |
1176 | |
1177 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1178 | sg_init_one(&sg, test->buffer + i, 512); |
1179 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
1180 | if (ret) |
1181 | return ret; | |
1182 | } | |
1183 | ||
1184 | return 0; | |
1185 | } | |
1186 | ||
1187 | static int mmc_test_align_read(struct mmc_test_card *test) | |
1188 | { | |
1189 | int ret, i; | |
6b174931 | 1190 | struct scatterlist sg; |
88ae600d PO |
1191 | |
1192 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1193 | sg_init_one(&sg, test->buffer + i, 512); |
1194 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
88ae600d PO |
1195 | if (ret) |
1196 | return ret; | |
1197 | } | |
1198 | ||
1199 | return 0; | |
1200 | } | |
1201 | ||
1202 | static int mmc_test_align_multi_write(struct mmc_test_card *test) | |
1203 | { | |
1204 | int ret, i; | |
1205 | unsigned int size; | |
6b174931 | 1206 | struct scatterlist sg; |
88ae600d PO |
1207 | |
1208 | if (test->card->host->max_blk_count == 1) | |
1209 | return RESULT_UNSUP_HOST; | |
1210 | ||
1211 | size = PAGE_SIZE * 2; | |
1212 | size = min(size, test->card->host->max_req_size); | |
1213 | size = min(size, test->card->host->max_seg_size); | |
1214 | size = min(size, test->card->host->max_blk_count * 512); | |
1215 | ||
1216 | if (size < 1024) | |
1217 | return RESULT_UNSUP_HOST; | |
1218 | ||
1219 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1220 | sg_init_one(&sg, test->buffer + i, size); |
1221 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1222 | if (ret) |
1223 | return ret; | |
1224 | } | |
1225 | ||
1226 | return 0; | |
1227 | } | |
1228 | ||
1229 | static int mmc_test_align_multi_read(struct mmc_test_card *test) | |
1230 | { | |
1231 | int ret, i; | |
1232 | unsigned int size; | |
6b174931 | 1233 | struct scatterlist sg; |
88ae600d PO |
1234 | |
1235 | if (test->card->host->max_blk_count == 1) | |
1236 | return RESULT_UNSUP_HOST; | |
1237 | ||
1238 | size = PAGE_SIZE * 2; | |
1239 | size = min(size, test->card->host->max_req_size); | |
1240 | size = min(size, test->card->host->max_seg_size); | |
1241 | size = min(size, test->card->host->max_blk_count * 512); | |
1242 | ||
1243 | if (size < 1024) | |
1244 | return RESULT_UNSUP_HOST; | |
1245 | ||
1246 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1247 | sg_init_one(&sg, test->buffer + i, size); |
1248 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1249 | if (ret) |
1250 | return ret; | |
1251 | } | |
1252 | ||
1253 | return 0; | |
1254 | } | |
1255 | ||
1256 | static int mmc_test_xfersize_write(struct mmc_test_card *test) | |
1257 | { | |
1258 | int ret; | |
1259 | ||
1260 | ret = mmc_test_set_blksize(test, 512); | |
1261 | if (ret) | |
1262 | return ret; | |
1263 | ||
6b174931 | 1264 | ret = mmc_test_broken_transfer(test, 1, 512, 1); |
88ae600d PO |
1265 | if (ret) |
1266 | return ret; | |
1267 | ||
1268 | return 0; | |
1269 | } | |
1270 | ||
1271 | static int mmc_test_xfersize_read(struct mmc_test_card *test) | |
1272 | { | |
1273 | int ret; | |
1274 | ||
1275 | ret = mmc_test_set_blksize(test, 512); | |
1276 | if (ret) | |
1277 | return ret; | |
1278 | ||
6b174931 | 1279 | ret = mmc_test_broken_transfer(test, 1, 512, 0); |
88ae600d PO |
1280 | if (ret) |
1281 | return ret; | |
1282 | ||
1283 | return 0; | |
1284 | } | |
1285 | ||
1286 | static int mmc_test_multi_xfersize_write(struct mmc_test_card *test) | |
1287 | { | |
1288 | int ret; | |
1289 | ||
1290 | if (test->card->host->max_blk_count == 1) | |
1291 | return RESULT_UNSUP_HOST; | |
1292 | ||
1293 | ret = mmc_test_set_blksize(test, 512); | |
1294 | if (ret) | |
1295 | return ret; | |
1296 | ||
6b174931 | 1297 | ret = mmc_test_broken_transfer(test, 2, 512, 1); |
88ae600d PO |
1298 | if (ret) |
1299 | return ret; | |
1300 | ||
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | static int mmc_test_multi_xfersize_read(struct mmc_test_card *test) | |
1305 | { | |
1306 | int ret; | |
1307 | ||
1308 | if (test->card->host->max_blk_count == 1) | |
1309 | return RESULT_UNSUP_HOST; | |
1310 | ||
1311 | ret = mmc_test_set_blksize(test, 512); | |
1312 | if (ret) | |
1313 | return ret; | |
1314 | ||
6b174931 | 1315 | ret = mmc_test_broken_transfer(test, 2, 512, 0); |
88ae600d PO |
1316 | if (ret) |
1317 | return ret; | |
1318 | ||
1319 | return 0; | |
1320 | } | |
1321 | ||
2661081f PO |
1322 | #ifdef CONFIG_HIGHMEM |
1323 | ||
1324 | static int mmc_test_write_high(struct mmc_test_card *test) | |
1325 | { | |
1326 | int ret; | |
1327 | struct scatterlist sg; | |
1328 | ||
1329 | sg_init_table(&sg, 1); | |
1330 | sg_set_page(&sg, test->highmem, 512, 0); | |
1331 | ||
1332 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
1333 | if (ret) | |
1334 | return ret; | |
1335 | ||
1336 | return 0; | |
1337 | } | |
1338 | ||
1339 | static int mmc_test_read_high(struct mmc_test_card *test) | |
1340 | { | |
1341 | int ret; | |
1342 | struct scatterlist sg; | |
1343 | ||
1344 | sg_init_table(&sg, 1); | |
1345 | sg_set_page(&sg, test->highmem, 512, 0); | |
1346 | ||
1347 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
1348 | if (ret) | |
1349 | return ret; | |
1350 | ||
1351 | return 0; | |
1352 | } | |
1353 | ||
1354 | static int mmc_test_multi_write_high(struct mmc_test_card *test) | |
1355 | { | |
1356 | int ret; | |
1357 | unsigned int size; | |
1358 | struct scatterlist sg; | |
1359 | ||
1360 | if (test->card->host->max_blk_count == 1) | |
1361 | return RESULT_UNSUP_HOST; | |
1362 | ||
1363 | size = PAGE_SIZE * 2; | |
1364 | size = min(size, test->card->host->max_req_size); | |
1365 | size = min(size, test->card->host->max_seg_size); | |
1366 | size = min(size, test->card->host->max_blk_count * 512); | |
1367 | ||
1368 | if (size < 1024) | |
1369 | return RESULT_UNSUP_HOST; | |
1370 | ||
1371 | sg_init_table(&sg, 1); | |
1372 | sg_set_page(&sg, test->highmem, size, 0); | |
1373 | ||
1374 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
1375 | if (ret) | |
1376 | return ret; | |
1377 | ||
1378 | return 0; | |
1379 | } | |
1380 | ||
1381 | static int mmc_test_multi_read_high(struct mmc_test_card *test) | |
1382 | { | |
1383 | int ret; | |
1384 | unsigned int size; | |
1385 | struct scatterlist sg; | |
1386 | ||
1387 | if (test->card->host->max_blk_count == 1) | |
1388 | return RESULT_UNSUP_HOST; | |
1389 | ||
1390 | size = PAGE_SIZE * 2; | |
1391 | size = min(size, test->card->host->max_req_size); | |
1392 | size = min(size, test->card->host->max_seg_size); | |
1393 | size = min(size, test->card->host->max_blk_count * 512); | |
1394 | ||
1395 | if (size < 1024) | |
1396 | return RESULT_UNSUP_HOST; | |
1397 | ||
1398 | sg_init_table(&sg, 1); | |
1399 | sg_set_page(&sg, test->highmem, size, 0); | |
1400 | ||
1401 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
1402 | if (ret) | |
1403 | return ret; | |
1404 | ||
1405 | return 0; | |
1406 | } | |
1407 | ||
64f7120d AH |
1408 | #else |
1409 | ||
1410 | static int mmc_test_no_highmem(struct mmc_test_card *test) | |
1411 | { | |
a3c76eb9 | 1412 | pr_info("%s: Highmem not configured - test skipped\n", |
64f7120d AH |
1413 | mmc_hostname(test->card->host)); |
1414 | return 0; | |
1415 | } | |
1416 | ||
2661081f PO |
1417 | #endif /* CONFIG_HIGHMEM */ |
1418 | ||
64f7120d AH |
1419 | /* |
1420 | * Map sz bytes so that it can be transferred. | |
1421 | */ | |
fec4dcce | 1422 | static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, |
bf043330 | 1423 | int max_scatter, int min_sg_len) |
64f7120d AH |
1424 | { |
1425 | struct mmc_test_area *t = &test->area; | |
c8c8c1bd | 1426 | int err; |
64f7120d AH |
1427 | |
1428 | t->blocks = sz >> 9; | |
1429 | ||
1430 | if (max_scatter) { | |
c8c8c1bd AH |
1431 | err = mmc_test_map_sg_max_scatter(t->mem, sz, t->sg, |
1432 | t->max_segs, t->max_seg_sz, | |
64f7120d | 1433 | &t->sg_len); |
c8c8c1bd AH |
1434 | } else { |
1435 | err = mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, | |
bf043330 | 1436 | t->max_seg_sz, &t->sg_len, min_sg_len); |
64f7120d | 1437 | } |
c8c8c1bd | 1438 | if (err) |
a3c76eb9 | 1439 | pr_info("%s: Failed to map sg list\n", |
c8c8c1bd AH |
1440 | mmc_hostname(test->card->host)); |
1441 | return err; | |
64f7120d AH |
1442 | } |
1443 | ||
1444 | /* | |
1445 | * Transfer bytes mapped by mmc_test_area_map(). | |
1446 | */ | |
1447 | static int mmc_test_area_transfer(struct mmc_test_card *test, | |
1448 | unsigned int dev_addr, int write) | |
1449 | { | |
1450 | struct mmc_test_area *t = &test->area; | |
1451 | ||
1452 | return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr, | |
1453 | t->blocks, 512, write); | |
1454 | } | |
1455 | ||
1456 | /* | |
9f9c4180 | 1457 | * Map and transfer bytes for multiple transfers. |
64f7120d | 1458 | */ |
9f9c4180 PF |
1459 | static int mmc_test_area_io_seq(struct mmc_test_card *test, unsigned long sz, |
1460 | unsigned int dev_addr, int write, | |
1461 | int max_scatter, int timed, int count, | |
bf043330 | 1462 | bool nonblock, int min_sg_len) |
64f7120d AH |
1463 | { |
1464 | struct timespec ts1, ts2; | |
9f9c4180 PF |
1465 | int ret = 0; |
1466 | int i; | |
1467 | struct mmc_test_area *t = &test->area; | |
64f7120d | 1468 | |
c8c8c1bd AH |
1469 | /* |
1470 | * In the case of a maximally scattered transfer, the maximum transfer | |
1471 | * size is further limited by using PAGE_SIZE segments. | |
1472 | */ | |
1473 | if (max_scatter) { | |
1474 | struct mmc_test_area *t = &test->area; | |
1475 | unsigned long max_tfr; | |
1476 | ||
1477 | if (t->max_seg_sz >= PAGE_SIZE) | |
1478 | max_tfr = t->max_segs * PAGE_SIZE; | |
1479 | else | |
1480 | max_tfr = t->max_segs * t->max_seg_sz; | |
1481 | if (sz > max_tfr) | |
1482 | sz = max_tfr; | |
1483 | } | |
1484 | ||
bf043330 | 1485 | ret = mmc_test_area_map(test, sz, max_scatter, min_sg_len); |
64f7120d AH |
1486 | if (ret) |
1487 | return ret; | |
1488 | ||
1489 | if (timed) | |
1490 | getnstimeofday(&ts1); | |
9f9c4180 PF |
1491 | if (nonblock) |
1492 | ret = mmc_test_nonblock_transfer(test, t->sg, t->sg_len, | |
1493 | dev_addr, t->blocks, 512, write, count); | |
1494 | else | |
1495 | for (i = 0; i < count && ret == 0; i++) { | |
1496 | ret = mmc_test_area_transfer(test, dev_addr, write); | |
1497 | dev_addr += sz >> 9; | |
1498 | } | |
64f7120d | 1499 | |
64f7120d AH |
1500 | if (ret) |
1501 | return ret; | |
1502 | ||
1503 | if (timed) | |
1504 | getnstimeofday(&ts2); | |
1505 | ||
1506 | if (timed) | |
9f9c4180 | 1507 | mmc_test_print_avg_rate(test, sz, count, &ts1, &ts2); |
64f7120d AH |
1508 | |
1509 | return 0; | |
1510 | } | |
1511 | ||
9f9c4180 PF |
1512 | static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, |
1513 | unsigned int dev_addr, int write, int max_scatter, | |
1514 | int timed) | |
1515 | { | |
1516 | return mmc_test_area_io_seq(test, sz, dev_addr, write, max_scatter, | |
bf043330 | 1517 | timed, 1, false, 0); |
9f9c4180 PF |
1518 | } |
1519 | ||
64f7120d AH |
1520 | /* |
1521 | * Write the test area entirely. | |
1522 | */ | |
1523 | static int mmc_test_area_fill(struct mmc_test_card *test) | |
1524 | { | |
253d6a28 AS |
1525 | struct mmc_test_area *t = &test->area; |
1526 | ||
1527 | return mmc_test_area_io(test, t->max_tfr, t->dev_addr, 1, 0, 0); | |
64f7120d AH |
1528 | } |
1529 | ||
1530 | /* | |
1531 | * Erase the test area entirely. | |
1532 | */ | |
1533 | static int mmc_test_area_erase(struct mmc_test_card *test) | |
1534 | { | |
1535 | struct mmc_test_area *t = &test->area; | |
1536 | ||
1537 | if (!mmc_can_erase(test->card)) | |
1538 | return 0; | |
1539 | ||
253d6a28 | 1540 | return mmc_erase(test->card, t->dev_addr, t->max_sz >> 9, |
64f7120d AH |
1541 | MMC_ERASE_ARG); |
1542 | } | |
1543 | ||
1544 | /* | |
1545 | * Cleanup struct mmc_test_area. | |
1546 | */ | |
1547 | static int mmc_test_area_cleanup(struct mmc_test_card *test) | |
1548 | { | |
1549 | struct mmc_test_area *t = &test->area; | |
1550 | ||
1551 | kfree(t->sg); | |
1552 | mmc_test_free_mem(t->mem); | |
1553 | ||
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | /* | |
0532ff63 AH |
1558 | * Initialize an area for testing large transfers. The test area is set to the |
1559 | * middle of the card because cards may have different charateristics at the | |
1560 | * front (for FAT file system optimization). Optionally, the area is erased | |
1561 | * (if the card supports it) which may improve write performance. Optionally, | |
1562 | * the area is filled with data for subsequent read tests. | |
64f7120d AH |
1563 | */ |
1564 | static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill) | |
1565 | { | |
1566 | struct mmc_test_area *t = &test->area; | |
0532ff63 | 1567 | unsigned long min_sz = 64 * 1024, sz; |
64f7120d AH |
1568 | int ret; |
1569 | ||
1570 | ret = mmc_test_set_blksize(test, 512); | |
1571 | if (ret) | |
1572 | return ret; | |
1573 | ||
0532ff63 AH |
1574 | /* Make the test area size about 4MiB */ |
1575 | sz = (unsigned long)test->card->pref_erase << 9; | |
1576 | t->max_sz = sz; | |
1577 | while (t->max_sz < 4 * 1024 * 1024) | |
1578 | t->max_sz += sz; | |
1579 | while (t->max_sz > TEST_AREA_MAX_SIZE && t->max_sz > sz) | |
1580 | t->max_sz -= sz; | |
c8c8c1bd AH |
1581 | |
1582 | t->max_segs = test->card->host->max_segs; | |
1583 | t->max_seg_sz = test->card->host->max_seg_size; | |
739c69c9 | 1584 | t->max_seg_sz -= t->max_seg_sz % 512; |
c8c8c1bd AH |
1585 | |
1586 | t->max_tfr = t->max_sz; | |
1587 | if (t->max_tfr >> 9 > test->card->host->max_blk_count) | |
1588 | t->max_tfr = test->card->host->max_blk_count << 9; | |
1589 | if (t->max_tfr > test->card->host->max_req_size) | |
1590 | t->max_tfr = test->card->host->max_req_size; | |
1591 | if (t->max_tfr / t->max_seg_sz > t->max_segs) | |
1592 | t->max_tfr = t->max_segs * t->max_seg_sz; | |
1593 | ||
64f7120d | 1594 | /* |
3d203be8 | 1595 | * Try to allocate enough memory for a max. sized transfer. Less is OK |
64f7120d | 1596 | * because the same memory can be mapped into the scatterlist more than |
c8c8c1bd AH |
1597 | * once. Also, take into account the limits imposed on scatterlist |
1598 | * segments by the host driver. | |
64f7120d | 1599 | */ |
3d203be8 | 1600 | t->mem = mmc_test_alloc_mem(min_sz, t->max_tfr, t->max_segs, |
c8c8c1bd | 1601 | t->max_seg_sz); |
64f7120d AH |
1602 | if (!t->mem) |
1603 | return -ENOMEM; | |
1604 | ||
64f7120d AH |
1605 | t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL); |
1606 | if (!t->sg) { | |
1607 | ret = -ENOMEM; | |
1608 | goto out_free; | |
1609 | } | |
1610 | ||
1611 | t->dev_addr = mmc_test_capacity(test->card) / 2; | |
1612 | t->dev_addr -= t->dev_addr % (t->max_sz >> 9); | |
1613 | ||
1614 | if (erase) { | |
1615 | ret = mmc_test_area_erase(test); | |
1616 | if (ret) | |
1617 | goto out_free; | |
1618 | } | |
1619 | ||
1620 | if (fill) { | |
1621 | ret = mmc_test_area_fill(test); | |
1622 | if (ret) | |
1623 | goto out_free; | |
1624 | } | |
1625 | ||
1626 | return 0; | |
1627 | ||
1628 | out_free: | |
1629 | mmc_test_area_cleanup(test); | |
1630 | return ret; | |
1631 | } | |
1632 | ||
1633 | /* | |
1634 | * Prepare for large transfers. Do not erase the test area. | |
1635 | */ | |
1636 | static int mmc_test_area_prepare(struct mmc_test_card *test) | |
1637 | { | |
1638 | return mmc_test_area_init(test, 0, 0); | |
1639 | } | |
1640 | ||
1641 | /* | |
1642 | * Prepare for large transfers. Do erase the test area. | |
1643 | */ | |
1644 | static int mmc_test_area_prepare_erase(struct mmc_test_card *test) | |
1645 | { | |
1646 | return mmc_test_area_init(test, 1, 0); | |
1647 | } | |
1648 | ||
1649 | /* | |
1650 | * Prepare for large transfers. Erase and fill the test area. | |
1651 | */ | |
1652 | static int mmc_test_area_prepare_fill(struct mmc_test_card *test) | |
1653 | { | |
1654 | return mmc_test_area_init(test, 1, 1); | |
1655 | } | |
1656 | ||
1657 | /* | |
1658 | * Test best-case performance. Best-case performance is expected from | |
1659 | * a single large transfer. | |
1660 | * | |
1661 | * An additional option (max_scatter) allows the measurement of the same | |
1662 | * transfer but with no contiguous pages in the scatter list. This tests | |
1663 | * the efficiency of DMA to handle scattered pages. | |
1664 | */ | |
1665 | static int mmc_test_best_performance(struct mmc_test_card *test, int write, | |
1666 | int max_scatter) | |
1667 | { | |
253d6a28 AS |
1668 | struct mmc_test_area *t = &test->area; |
1669 | ||
1670 | return mmc_test_area_io(test, t->max_tfr, t->dev_addr, write, | |
1671 | max_scatter, 1); | |
64f7120d AH |
1672 | } |
1673 | ||
1674 | /* | |
1675 | * Best-case read performance. | |
1676 | */ | |
1677 | static int mmc_test_best_read_performance(struct mmc_test_card *test) | |
1678 | { | |
1679 | return mmc_test_best_performance(test, 0, 0); | |
1680 | } | |
1681 | ||
1682 | /* | |
1683 | * Best-case write performance. | |
1684 | */ | |
1685 | static int mmc_test_best_write_performance(struct mmc_test_card *test) | |
1686 | { | |
1687 | return mmc_test_best_performance(test, 1, 0); | |
1688 | } | |
1689 | ||
1690 | /* | |
1691 | * Best-case read performance into scattered pages. | |
1692 | */ | |
1693 | static int mmc_test_best_read_perf_max_scatter(struct mmc_test_card *test) | |
1694 | { | |
1695 | return mmc_test_best_performance(test, 0, 1); | |
1696 | } | |
1697 | ||
1698 | /* | |
1699 | * Best-case write performance from scattered pages. | |
1700 | */ | |
1701 | static int mmc_test_best_write_perf_max_scatter(struct mmc_test_card *test) | |
1702 | { | |
1703 | return mmc_test_best_performance(test, 1, 1); | |
1704 | } | |
1705 | ||
1706 | /* | |
1707 | * Single read performance by transfer size. | |
1708 | */ | |
1709 | static int mmc_test_profile_read_perf(struct mmc_test_card *test) | |
1710 | { | |
253d6a28 | 1711 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1712 | unsigned long sz; |
1713 | unsigned int dev_addr; | |
64f7120d AH |
1714 | int ret; |
1715 | ||
253d6a28 AS |
1716 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
1717 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1718 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
1719 | if (ret) | |
1720 | return ret; | |
1721 | } | |
253d6a28 AS |
1722 | sz = t->max_tfr; |
1723 | dev_addr = t->dev_addr; | |
64f7120d AH |
1724 | return mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
1725 | } | |
1726 | ||
1727 | /* | |
1728 | * Single write performance by transfer size. | |
1729 | */ | |
1730 | static int mmc_test_profile_write_perf(struct mmc_test_card *test) | |
1731 | { | |
253d6a28 | 1732 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1733 | unsigned long sz; |
1734 | unsigned int dev_addr; | |
64f7120d AH |
1735 | int ret; |
1736 | ||
1737 | ret = mmc_test_area_erase(test); | |
1738 | if (ret) | |
1739 | return ret; | |
253d6a28 AS |
1740 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
1741 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1742 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
1743 | if (ret) | |
1744 | return ret; | |
1745 | } | |
1746 | ret = mmc_test_area_erase(test); | |
1747 | if (ret) | |
1748 | return ret; | |
253d6a28 AS |
1749 | sz = t->max_tfr; |
1750 | dev_addr = t->dev_addr; | |
64f7120d AH |
1751 | return mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
1752 | } | |
1753 | ||
1754 | /* | |
1755 | * Single trim performance by transfer size. | |
1756 | */ | |
1757 | static int mmc_test_profile_trim_perf(struct mmc_test_card *test) | |
1758 | { | |
253d6a28 | 1759 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1760 | unsigned long sz; |
1761 | unsigned int dev_addr; | |
64f7120d AH |
1762 | struct timespec ts1, ts2; |
1763 | int ret; | |
1764 | ||
1765 | if (!mmc_can_trim(test->card)) | |
1766 | return RESULT_UNSUP_CARD; | |
1767 | ||
1768 | if (!mmc_can_erase(test->card)) | |
1769 | return RESULT_UNSUP_HOST; | |
1770 | ||
253d6a28 AS |
1771 | for (sz = 512; sz < t->max_sz; sz <<= 1) { |
1772 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1773 | getnstimeofday(&ts1); |
1774 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1775 | if (ret) | |
1776 | return ret; | |
1777 | getnstimeofday(&ts2); | |
1778 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1779 | } | |
253d6a28 | 1780 | dev_addr = t->dev_addr; |
64f7120d AH |
1781 | getnstimeofday(&ts1); |
1782 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1783 | if (ret) | |
1784 | return ret; | |
1785 | getnstimeofday(&ts2); | |
1786 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1787 | return 0; | |
1788 | } | |
1789 | ||
c8c8c1bd AH |
1790 | static int mmc_test_seq_read_perf(struct mmc_test_card *test, unsigned long sz) |
1791 | { | |
253d6a28 | 1792 | struct mmc_test_area *t = &test->area; |
c8c8c1bd AH |
1793 | unsigned int dev_addr, i, cnt; |
1794 | struct timespec ts1, ts2; | |
1795 | int ret; | |
1796 | ||
253d6a28 AS |
1797 | cnt = t->max_sz / sz; |
1798 | dev_addr = t->dev_addr; | |
c8c8c1bd AH |
1799 | getnstimeofday(&ts1); |
1800 | for (i = 0; i < cnt; i++) { | |
1801 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 0); | |
1802 | if (ret) | |
1803 | return ret; | |
1804 | dev_addr += (sz >> 9); | |
1805 | } | |
1806 | getnstimeofday(&ts2); | |
1807 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1808 | return 0; | |
1809 | } | |
1810 | ||
64f7120d AH |
1811 | /* |
1812 | * Consecutive read performance by transfer size. | |
1813 | */ | |
1814 | static int mmc_test_profile_seq_read_perf(struct mmc_test_card *test) | |
1815 | { | |
253d6a28 | 1816 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1817 | unsigned long sz; |
c8c8c1bd AH |
1818 | int ret; |
1819 | ||
253d6a28 | 1820 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
c8c8c1bd AH |
1821 | ret = mmc_test_seq_read_perf(test, sz); |
1822 | if (ret) | |
1823 | return ret; | |
1824 | } | |
253d6a28 | 1825 | sz = t->max_tfr; |
c8c8c1bd AH |
1826 | return mmc_test_seq_read_perf(test, sz); |
1827 | } | |
1828 | ||
1829 | static int mmc_test_seq_write_perf(struct mmc_test_card *test, unsigned long sz) | |
1830 | { | |
253d6a28 | 1831 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1832 | unsigned int dev_addr, i, cnt; |
64f7120d AH |
1833 | struct timespec ts1, ts2; |
1834 | int ret; | |
1835 | ||
c8c8c1bd AH |
1836 | ret = mmc_test_area_erase(test); |
1837 | if (ret) | |
1838 | return ret; | |
253d6a28 AS |
1839 | cnt = t->max_sz / sz; |
1840 | dev_addr = t->dev_addr; | |
c8c8c1bd AH |
1841 | getnstimeofday(&ts1); |
1842 | for (i = 0; i < cnt; i++) { | |
1843 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 0); | |
1844 | if (ret) | |
1845 | return ret; | |
1846 | dev_addr += (sz >> 9); | |
64f7120d | 1847 | } |
c8c8c1bd AH |
1848 | getnstimeofday(&ts2); |
1849 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
64f7120d AH |
1850 | return 0; |
1851 | } | |
1852 | ||
1853 | /* | |
1854 | * Consecutive write performance by transfer size. | |
1855 | */ | |
1856 | static int mmc_test_profile_seq_write_perf(struct mmc_test_card *test) | |
1857 | { | |
253d6a28 | 1858 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1859 | unsigned long sz; |
64f7120d AH |
1860 | int ret; |
1861 | ||
253d6a28 | 1862 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
c8c8c1bd | 1863 | ret = mmc_test_seq_write_perf(test, sz); |
64f7120d AH |
1864 | if (ret) |
1865 | return ret; | |
64f7120d | 1866 | } |
253d6a28 | 1867 | sz = t->max_tfr; |
c8c8c1bd | 1868 | return mmc_test_seq_write_perf(test, sz); |
64f7120d AH |
1869 | } |
1870 | ||
1871 | /* | |
1872 | * Consecutive trim performance by transfer size. | |
1873 | */ | |
1874 | static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test) | |
1875 | { | |
253d6a28 | 1876 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1877 | unsigned long sz; |
1878 | unsigned int dev_addr, i, cnt; | |
64f7120d AH |
1879 | struct timespec ts1, ts2; |
1880 | int ret; | |
1881 | ||
1882 | if (!mmc_can_trim(test->card)) | |
1883 | return RESULT_UNSUP_CARD; | |
1884 | ||
1885 | if (!mmc_can_erase(test->card)) | |
1886 | return RESULT_UNSUP_HOST; | |
1887 | ||
253d6a28 | 1888 | for (sz = 512; sz <= t->max_sz; sz <<= 1) { |
64f7120d AH |
1889 | ret = mmc_test_area_erase(test); |
1890 | if (ret) | |
1891 | return ret; | |
1892 | ret = mmc_test_area_fill(test); | |
1893 | if (ret) | |
1894 | return ret; | |
253d6a28 AS |
1895 | cnt = t->max_sz / sz; |
1896 | dev_addr = t->dev_addr; | |
64f7120d AH |
1897 | getnstimeofday(&ts1); |
1898 | for (i = 0; i < cnt; i++) { | |
1899 | ret = mmc_erase(test->card, dev_addr, sz >> 9, | |
1900 | MMC_TRIM_ARG); | |
1901 | if (ret) | |
1902 | return ret; | |
1903 | dev_addr += (sz >> 9); | |
1904 | } | |
1905 | getnstimeofday(&ts2); | |
1906 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1907 | } | |
1908 | return 0; | |
1909 | } | |
1910 | ||
b6056d12 AH |
1911 | static unsigned int rnd_next = 1; |
1912 | ||
1913 | static unsigned int mmc_test_rnd_num(unsigned int rnd_cnt) | |
1914 | { | |
1915 | uint64_t r; | |
1916 | ||
1917 | rnd_next = rnd_next * 1103515245 + 12345; | |
1918 | r = (rnd_next >> 16) & 0x7fff; | |
1919 | return (r * rnd_cnt) >> 15; | |
1920 | } | |
1921 | ||
1922 | static int mmc_test_rnd_perf(struct mmc_test_card *test, int write, int print, | |
1923 | unsigned long sz) | |
1924 | { | |
1925 | unsigned int dev_addr, cnt, rnd_addr, range1, range2, last_ea = 0, ea; | |
1926 | unsigned int ssz; | |
1927 | struct timespec ts1, ts2, ts; | |
1928 | int ret; | |
1929 | ||
1930 | ssz = sz >> 9; | |
1931 | ||
1932 | rnd_addr = mmc_test_capacity(test->card) / 4; | |
1933 | range1 = rnd_addr / test->card->pref_erase; | |
1934 | range2 = range1 / ssz; | |
1935 | ||
1936 | getnstimeofday(&ts1); | |
1937 | for (cnt = 0; cnt < UINT_MAX; cnt++) { | |
1938 | getnstimeofday(&ts2); | |
1939 | ts = timespec_sub(ts2, ts1); | |
1940 | if (ts.tv_sec >= 10) | |
1941 | break; | |
1942 | ea = mmc_test_rnd_num(range1); | |
1943 | if (ea == last_ea) | |
1944 | ea -= 1; | |
1945 | last_ea = ea; | |
1946 | dev_addr = rnd_addr + test->card->pref_erase * ea + | |
1947 | ssz * mmc_test_rnd_num(range2); | |
1948 | ret = mmc_test_area_io(test, sz, dev_addr, write, 0, 0); | |
1949 | if (ret) | |
1950 | return ret; | |
1951 | } | |
1952 | if (print) | |
1953 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1954 | return 0; | |
1955 | } | |
1956 | ||
1957 | static int mmc_test_random_perf(struct mmc_test_card *test, int write) | |
1958 | { | |
253d6a28 | 1959 | struct mmc_test_area *t = &test->area; |
b6056d12 AH |
1960 | unsigned int next; |
1961 | unsigned long sz; | |
1962 | int ret; | |
1963 | ||
253d6a28 | 1964 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
b6056d12 AH |
1965 | /* |
1966 | * When writing, try to get more consistent results by running | |
1967 | * the test twice with exactly the same I/O but outputting the | |
1968 | * results only for the 2nd run. | |
1969 | */ | |
1970 | if (write) { | |
1971 | next = rnd_next; | |
1972 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1973 | if (ret) | |
1974 | return ret; | |
1975 | rnd_next = next; | |
1976 | } | |
1977 | ret = mmc_test_rnd_perf(test, write, 1, sz); | |
1978 | if (ret) | |
1979 | return ret; | |
1980 | } | |
253d6a28 | 1981 | sz = t->max_tfr; |
b6056d12 AH |
1982 | if (write) { |
1983 | next = rnd_next; | |
1984 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1985 | if (ret) | |
1986 | return ret; | |
1987 | rnd_next = next; | |
1988 | } | |
1989 | return mmc_test_rnd_perf(test, write, 1, sz); | |
1990 | } | |
1991 | ||
1992 | /* | |
1993 | * Random read performance by transfer size. | |
1994 | */ | |
1995 | static int mmc_test_random_read_perf(struct mmc_test_card *test) | |
1996 | { | |
1997 | return mmc_test_random_perf(test, 0); | |
1998 | } | |
1999 | ||
2000 | /* | |
2001 | * Random write performance by transfer size. | |
2002 | */ | |
2003 | static int mmc_test_random_write_perf(struct mmc_test_card *test) | |
2004 | { | |
2005 | return mmc_test_random_perf(test, 1); | |
2006 | } | |
2007 | ||
a803d551 AH |
2008 | static int mmc_test_seq_perf(struct mmc_test_card *test, int write, |
2009 | unsigned int tot_sz, int max_scatter) | |
2010 | { | |
253d6a28 | 2011 | struct mmc_test_area *t = &test->area; |
a803d551 | 2012 | unsigned int dev_addr, i, cnt, sz, ssz; |
5a8fba52 | 2013 | struct timespec ts1, ts2; |
a803d551 AH |
2014 | int ret; |
2015 | ||
253d6a28 AS |
2016 | sz = t->max_tfr; |
2017 | ||
a803d551 AH |
2018 | /* |
2019 | * In the case of a maximally scattered transfer, the maximum transfer | |
2020 | * size is further limited by using PAGE_SIZE segments. | |
2021 | */ | |
2022 | if (max_scatter) { | |
a803d551 AH |
2023 | unsigned long max_tfr; |
2024 | ||
2025 | if (t->max_seg_sz >= PAGE_SIZE) | |
2026 | max_tfr = t->max_segs * PAGE_SIZE; | |
2027 | else | |
2028 | max_tfr = t->max_segs * t->max_seg_sz; | |
2029 | if (sz > max_tfr) | |
2030 | sz = max_tfr; | |
2031 | } | |
2032 | ||
2033 | ssz = sz >> 9; | |
2034 | dev_addr = mmc_test_capacity(test->card) / 4; | |
2035 | if (tot_sz > dev_addr << 9) | |
2036 | tot_sz = dev_addr << 9; | |
2037 | cnt = tot_sz / sz; | |
2038 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ | |
2039 | ||
2040 | getnstimeofday(&ts1); | |
2041 | for (i = 0; i < cnt; i++) { | |
2042 | ret = mmc_test_area_io(test, sz, dev_addr, write, | |
2043 | max_scatter, 0); | |
2044 | if (ret) | |
2045 | return ret; | |
2046 | dev_addr += ssz; | |
2047 | } | |
2048 | getnstimeofday(&ts2); | |
2049 | ||
a803d551 AH |
2050 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
2051 | ||
2052 | return 0; | |
2053 | } | |
2054 | ||
2055 | static int mmc_test_large_seq_perf(struct mmc_test_card *test, int write) | |
2056 | { | |
2057 | int ret, i; | |
2058 | ||
2059 | for (i = 0; i < 10; i++) { | |
2060 | ret = mmc_test_seq_perf(test, write, 10 * 1024 * 1024, 1); | |
2061 | if (ret) | |
2062 | return ret; | |
2063 | } | |
2064 | for (i = 0; i < 5; i++) { | |
2065 | ret = mmc_test_seq_perf(test, write, 100 * 1024 * 1024, 1); | |
2066 | if (ret) | |
2067 | return ret; | |
2068 | } | |
2069 | for (i = 0; i < 3; i++) { | |
2070 | ret = mmc_test_seq_perf(test, write, 1000 * 1024 * 1024, 1); | |
2071 | if (ret) | |
2072 | return ret; | |
2073 | } | |
2074 | ||
2075 | return ret; | |
2076 | } | |
2077 | ||
2078 | /* | |
2079 | * Large sequential read performance. | |
2080 | */ | |
2081 | static int mmc_test_large_seq_read_perf(struct mmc_test_card *test) | |
2082 | { | |
2083 | return mmc_test_large_seq_perf(test, 0); | |
2084 | } | |
2085 | ||
2086 | /* | |
2087 | * Large sequential write performance. | |
2088 | */ | |
2089 | static int mmc_test_large_seq_write_perf(struct mmc_test_card *test) | |
2090 | { | |
2091 | return mmc_test_large_seq_perf(test, 1); | |
2092 | } | |
2093 | ||
9f9c4180 PF |
2094 | static int mmc_test_rw_multiple(struct mmc_test_card *test, |
2095 | struct mmc_test_multiple_rw *tdata, | |
bf043330 PF |
2096 | unsigned int reqsize, unsigned int size, |
2097 | int min_sg_len) | |
9f9c4180 PF |
2098 | { |
2099 | unsigned int dev_addr; | |
2100 | struct mmc_test_area *t = &test->area; | |
2101 | int ret = 0; | |
2102 | ||
2103 | /* Set up test area */ | |
2104 | if (size > mmc_test_capacity(test->card) / 2 * 512) | |
2105 | size = mmc_test_capacity(test->card) / 2 * 512; | |
2106 | if (reqsize > t->max_tfr) | |
2107 | reqsize = t->max_tfr; | |
2108 | dev_addr = mmc_test_capacity(test->card) / 4; | |
2109 | if ((dev_addr & 0xffff0000)) | |
2110 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ | |
2111 | else | |
2112 | dev_addr &= 0xfffff800; /* Round to 1MiB boundary */ | |
2113 | if (!dev_addr) | |
2114 | goto err; | |
2115 | ||
2116 | if (reqsize > size) | |
2117 | return 0; | |
2118 | ||
2119 | /* prepare test area */ | |
2120 | if (mmc_can_erase(test->card) && | |
2121 | tdata->prepare & MMC_TEST_PREP_ERASE) { | |
2122 | ret = mmc_erase(test->card, dev_addr, | |
2123 | size / 512, MMC_SECURE_ERASE_ARG); | |
2124 | if (ret) | |
2125 | ret = mmc_erase(test->card, dev_addr, | |
2126 | size / 512, MMC_ERASE_ARG); | |
2127 | if (ret) | |
2128 | goto err; | |
2129 | } | |
2130 | ||
2131 | /* Run test */ | |
2132 | ret = mmc_test_area_io_seq(test, reqsize, dev_addr, | |
2133 | tdata->do_write, 0, 1, size / reqsize, | |
bf043330 | 2134 | tdata->do_nonblock_req, min_sg_len); |
9f9c4180 PF |
2135 | if (ret) |
2136 | goto err; | |
2137 | ||
2138 | return ret; | |
2139 | err: | |
a3c76eb9 | 2140 | pr_info("[%s] error\n", __func__); |
9f9c4180 PF |
2141 | return ret; |
2142 | } | |
2143 | ||
2144 | static int mmc_test_rw_multiple_size(struct mmc_test_card *test, | |
2145 | struct mmc_test_multiple_rw *rw) | |
2146 | { | |
2147 | int ret = 0; | |
2148 | int i; | |
2149 | void *pre_req = test->card->host->ops->pre_req; | |
2150 | void *post_req = test->card->host->ops->post_req; | |
2151 | ||
2152 | if (rw->do_nonblock_req && | |
2153 | ((!pre_req && post_req) || (pre_req && !post_req))) { | |
a3c76eb9 | 2154 | pr_info("error: only one of pre/post is defined\n"); |
9f9c4180 PF |
2155 | return -EINVAL; |
2156 | } | |
2157 | ||
2158 | for (i = 0 ; i < rw->len && ret == 0; i++) { | |
bf043330 PF |
2159 | ret = mmc_test_rw_multiple(test, rw, rw->bs[i], rw->size, 0); |
2160 | if (ret) | |
2161 | break; | |
2162 | } | |
2163 | return ret; | |
2164 | } | |
2165 | ||
2166 | static int mmc_test_rw_multiple_sg_len(struct mmc_test_card *test, | |
2167 | struct mmc_test_multiple_rw *rw) | |
2168 | { | |
2169 | int ret = 0; | |
2170 | int i; | |
2171 | ||
2172 | for (i = 0 ; i < rw->len && ret == 0; i++) { | |
2173 | ret = mmc_test_rw_multiple(test, rw, 512*1024, rw->size, | |
2174 | rw->sg_len[i]); | |
9f9c4180 PF |
2175 | if (ret) |
2176 | break; | |
2177 | } | |
2178 | return ret; | |
2179 | } | |
2180 | ||
2181 | /* | |
2182 | * Multiple blocking write 4k to 4 MB chunks | |
2183 | */ | |
2184 | static int mmc_test_profile_mult_write_blocking_perf(struct mmc_test_card *test) | |
2185 | { | |
2186 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2187 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2188 | struct mmc_test_multiple_rw test_data = { | |
2189 | .bs = bs, | |
2190 | .size = TEST_AREA_MAX_SIZE, | |
2191 | .len = ARRAY_SIZE(bs), | |
2192 | .do_write = true, | |
2193 | .do_nonblock_req = false, | |
2194 | .prepare = MMC_TEST_PREP_ERASE, | |
2195 | }; | |
2196 | ||
2197 | return mmc_test_rw_multiple_size(test, &test_data); | |
2198 | }; | |
2199 | ||
2200 | /* | |
2201 | * Multiple non-blocking write 4k to 4 MB chunks | |
2202 | */ | |
2203 | static int mmc_test_profile_mult_write_nonblock_perf(struct mmc_test_card *test) | |
2204 | { | |
2205 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2206 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2207 | struct mmc_test_multiple_rw test_data = { | |
2208 | .bs = bs, | |
2209 | .size = TEST_AREA_MAX_SIZE, | |
2210 | .len = ARRAY_SIZE(bs), | |
2211 | .do_write = true, | |
2212 | .do_nonblock_req = true, | |
2213 | .prepare = MMC_TEST_PREP_ERASE, | |
2214 | }; | |
2215 | ||
2216 | return mmc_test_rw_multiple_size(test, &test_data); | |
2217 | } | |
2218 | ||
2219 | /* | |
2220 | * Multiple blocking read 4k to 4 MB chunks | |
2221 | */ | |
2222 | static int mmc_test_profile_mult_read_blocking_perf(struct mmc_test_card *test) | |
2223 | { | |
2224 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2225 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2226 | struct mmc_test_multiple_rw test_data = { | |
2227 | .bs = bs, | |
2228 | .size = TEST_AREA_MAX_SIZE, | |
2229 | .len = ARRAY_SIZE(bs), | |
2230 | .do_write = false, | |
2231 | .do_nonblock_req = false, | |
2232 | .prepare = MMC_TEST_PREP_NONE, | |
2233 | }; | |
2234 | ||
2235 | return mmc_test_rw_multiple_size(test, &test_data); | |
2236 | } | |
2237 | ||
2238 | /* | |
2239 | * Multiple non-blocking read 4k to 4 MB chunks | |
2240 | */ | |
2241 | static int mmc_test_profile_mult_read_nonblock_perf(struct mmc_test_card *test) | |
2242 | { | |
2243 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2244 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2245 | struct mmc_test_multiple_rw test_data = { | |
2246 | .bs = bs, | |
2247 | .size = TEST_AREA_MAX_SIZE, | |
2248 | .len = ARRAY_SIZE(bs), | |
2249 | .do_write = false, | |
2250 | .do_nonblock_req = true, | |
2251 | .prepare = MMC_TEST_PREP_NONE, | |
2252 | }; | |
2253 | ||
2254 | return mmc_test_rw_multiple_size(test, &test_data); | |
2255 | } | |
2256 | ||
bf043330 PF |
2257 | /* |
2258 | * Multiple blocking write 1 to 512 sg elements | |
2259 | */ | |
2260 | static int mmc_test_profile_sglen_wr_blocking_perf(struct mmc_test_card *test) | |
2261 | { | |
2262 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2263 | 1 << 7, 1 << 8, 1 << 9}; | |
2264 | struct mmc_test_multiple_rw test_data = { | |
2265 | .sg_len = sg_len, | |
2266 | .size = TEST_AREA_MAX_SIZE, | |
2267 | .len = ARRAY_SIZE(sg_len), | |
2268 | .do_write = true, | |
2269 | .do_nonblock_req = false, | |
2270 | .prepare = MMC_TEST_PREP_ERASE, | |
2271 | }; | |
2272 | ||
2273 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2274 | }; | |
2275 | ||
2276 | /* | |
2277 | * Multiple non-blocking write 1 to 512 sg elements | |
2278 | */ | |
2279 | static int mmc_test_profile_sglen_wr_nonblock_perf(struct mmc_test_card *test) | |
2280 | { | |
2281 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2282 | 1 << 7, 1 << 8, 1 << 9}; | |
2283 | struct mmc_test_multiple_rw test_data = { | |
2284 | .sg_len = sg_len, | |
2285 | .size = TEST_AREA_MAX_SIZE, | |
2286 | .len = ARRAY_SIZE(sg_len), | |
2287 | .do_write = true, | |
2288 | .do_nonblock_req = true, | |
2289 | .prepare = MMC_TEST_PREP_ERASE, | |
2290 | }; | |
2291 | ||
2292 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2293 | } | |
2294 | ||
2295 | /* | |
2296 | * Multiple blocking read 1 to 512 sg elements | |
2297 | */ | |
2298 | static int mmc_test_profile_sglen_r_blocking_perf(struct mmc_test_card *test) | |
2299 | { | |
2300 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2301 | 1 << 7, 1 << 8, 1 << 9}; | |
2302 | struct mmc_test_multiple_rw test_data = { | |
2303 | .sg_len = sg_len, | |
2304 | .size = TEST_AREA_MAX_SIZE, | |
2305 | .len = ARRAY_SIZE(sg_len), | |
2306 | .do_write = false, | |
2307 | .do_nonblock_req = false, | |
2308 | .prepare = MMC_TEST_PREP_NONE, | |
2309 | }; | |
2310 | ||
2311 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2312 | } | |
2313 | ||
2314 | /* | |
2315 | * Multiple non-blocking read 1 to 512 sg elements | |
2316 | */ | |
2317 | static int mmc_test_profile_sglen_r_nonblock_perf(struct mmc_test_card *test) | |
2318 | { | |
2319 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2320 | 1 << 7, 1 << 8, 1 << 9}; | |
2321 | struct mmc_test_multiple_rw test_data = { | |
2322 | .sg_len = sg_len, | |
2323 | .size = TEST_AREA_MAX_SIZE, | |
2324 | .len = ARRAY_SIZE(sg_len), | |
2325 | .do_write = false, | |
2326 | .do_nonblock_req = true, | |
2327 | .prepare = MMC_TEST_PREP_NONE, | |
2328 | }; | |
2329 | ||
2330 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2331 | } | |
2332 | ||
2311344c AH |
2333 | /* |
2334 | * eMMC hardware reset. | |
2335 | */ | |
2336 | static int mmc_test_hw_reset(struct mmc_test_card *test) | |
2337 | { | |
2338 | struct mmc_card *card = test->card; | |
2339 | struct mmc_host *host = card->host; | |
2340 | int err; | |
2341 | ||
2342 | err = mmc_hw_reset_check(host); | |
2343 | if (!err) | |
2344 | return RESULT_OK; | |
2345 | ||
2346 | if (err == -ENOSYS) | |
2347 | return RESULT_FAIL; | |
2348 | ||
2349 | if (err != -EOPNOTSUPP) | |
2350 | return err; | |
2351 | ||
2352 | if (!mmc_can_reset(card)) | |
2353 | return RESULT_UNSUP_CARD; | |
2354 | ||
2355 | return RESULT_UNSUP_HOST; | |
2356 | } | |
2357 | ||
88ae600d PO |
2358 | static const struct mmc_test_case mmc_test_cases[] = { |
2359 | { | |
2360 | .name = "Basic write (no data verification)", | |
2361 | .run = mmc_test_basic_write, | |
2362 | }, | |
2363 | ||
2364 | { | |
2365 | .name = "Basic read (no data verification)", | |
2366 | .run = mmc_test_basic_read, | |
2367 | }, | |
2368 | ||
2369 | { | |
2370 | .name = "Basic write (with data verification)", | |
6b174931 | 2371 | .prepare = mmc_test_prepare_write, |
88ae600d | 2372 | .run = mmc_test_verify_write, |
6b174931 | 2373 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2374 | }, |
2375 | ||
2376 | { | |
2377 | .name = "Basic read (with data verification)", | |
6b174931 | 2378 | .prepare = mmc_test_prepare_read, |
88ae600d | 2379 | .run = mmc_test_verify_read, |
6b174931 | 2380 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2381 | }, |
2382 | ||
2383 | { | |
2384 | .name = "Multi-block write", | |
6b174931 | 2385 | .prepare = mmc_test_prepare_write, |
88ae600d | 2386 | .run = mmc_test_multi_write, |
6b174931 | 2387 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2388 | }, |
2389 | ||
2390 | { | |
2391 | .name = "Multi-block read", | |
6b174931 | 2392 | .prepare = mmc_test_prepare_read, |
88ae600d | 2393 | .run = mmc_test_multi_read, |
6b174931 | 2394 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2395 | }, |
2396 | ||
2397 | { | |
2398 | .name = "Power of two block writes", | |
6b174931 | 2399 | .prepare = mmc_test_prepare_write, |
88ae600d | 2400 | .run = mmc_test_pow2_write, |
6b174931 | 2401 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2402 | }, |
2403 | ||
2404 | { | |
2405 | .name = "Power of two block reads", | |
6b174931 | 2406 | .prepare = mmc_test_prepare_read, |
88ae600d | 2407 | .run = mmc_test_pow2_read, |
6b174931 | 2408 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2409 | }, |
2410 | ||
2411 | { | |
2412 | .name = "Weird sized block writes", | |
6b174931 | 2413 | .prepare = mmc_test_prepare_write, |
88ae600d | 2414 | .run = mmc_test_weird_write, |
6b174931 | 2415 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2416 | }, |
2417 | ||
2418 | { | |
2419 | .name = "Weird sized block reads", | |
6b174931 | 2420 | .prepare = mmc_test_prepare_read, |
88ae600d | 2421 | .run = mmc_test_weird_read, |
6b174931 | 2422 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2423 | }, |
2424 | ||
2425 | { | |
2426 | .name = "Badly aligned write", | |
6b174931 | 2427 | .prepare = mmc_test_prepare_write, |
88ae600d | 2428 | .run = mmc_test_align_write, |
6b174931 | 2429 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2430 | }, |
2431 | ||
2432 | { | |
2433 | .name = "Badly aligned read", | |
6b174931 | 2434 | .prepare = mmc_test_prepare_read, |
88ae600d | 2435 | .run = mmc_test_align_read, |
6b174931 | 2436 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2437 | }, |
2438 | ||
2439 | { | |
2440 | .name = "Badly aligned multi-block write", | |
6b174931 | 2441 | .prepare = mmc_test_prepare_write, |
88ae600d | 2442 | .run = mmc_test_align_multi_write, |
6b174931 | 2443 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2444 | }, |
2445 | ||
2446 | { | |
2447 | .name = "Badly aligned multi-block read", | |
6b174931 | 2448 | .prepare = mmc_test_prepare_read, |
88ae600d | 2449 | .run = mmc_test_align_multi_read, |
6b174931 | 2450 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2451 | }, |
2452 | ||
2453 | { | |
2454 | .name = "Correct xfer_size at write (start failure)", | |
2455 | .run = mmc_test_xfersize_write, | |
2456 | }, | |
2457 | ||
2458 | { | |
2459 | .name = "Correct xfer_size at read (start failure)", | |
2460 | .run = mmc_test_xfersize_read, | |
2461 | }, | |
2462 | ||
2463 | { | |
2464 | .name = "Correct xfer_size at write (midway failure)", | |
2465 | .run = mmc_test_multi_xfersize_write, | |
2466 | }, | |
2467 | ||
2468 | { | |
2469 | .name = "Correct xfer_size at read (midway failure)", | |
2470 | .run = mmc_test_multi_xfersize_read, | |
2471 | }, | |
2661081f PO |
2472 | |
2473 | #ifdef CONFIG_HIGHMEM | |
2474 | ||
2475 | { | |
2476 | .name = "Highmem write", | |
2477 | .prepare = mmc_test_prepare_write, | |
2478 | .run = mmc_test_write_high, | |
2479 | .cleanup = mmc_test_cleanup, | |
2480 | }, | |
2481 | ||
2482 | { | |
2483 | .name = "Highmem read", | |
2484 | .prepare = mmc_test_prepare_read, | |
2485 | .run = mmc_test_read_high, | |
2486 | .cleanup = mmc_test_cleanup, | |
2487 | }, | |
2488 | ||
2489 | { | |
2490 | .name = "Multi-block highmem write", | |
2491 | .prepare = mmc_test_prepare_write, | |
2492 | .run = mmc_test_multi_write_high, | |
2493 | .cleanup = mmc_test_cleanup, | |
2494 | }, | |
2495 | ||
2496 | { | |
2497 | .name = "Multi-block highmem read", | |
2498 | .prepare = mmc_test_prepare_read, | |
2499 | .run = mmc_test_multi_read_high, | |
2500 | .cleanup = mmc_test_cleanup, | |
2501 | }, | |
2502 | ||
64f7120d AH |
2503 | #else |
2504 | ||
2505 | { | |
2506 | .name = "Highmem write", | |
2507 | .run = mmc_test_no_highmem, | |
2508 | }, | |
2509 | ||
2510 | { | |
2511 | .name = "Highmem read", | |
2512 | .run = mmc_test_no_highmem, | |
2513 | }, | |
2514 | ||
2515 | { | |
2516 | .name = "Multi-block highmem write", | |
2517 | .run = mmc_test_no_highmem, | |
2518 | }, | |
2519 | ||
2520 | { | |
2521 | .name = "Multi-block highmem read", | |
2522 | .run = mmc_test_no_highmem, | |
2523 | }, | |
2524 | ||
2661081f PO |
2525 | #endif /* CONFIG_HIGHMEM */ |
2526 | ||
64f7120d AH |
2527 | { |
2528 | .name = "Best-case read performance", | |
2529 | .prepare = mmc_test_area_prepare_fill, | |
2530 | .run = mmc_test_best_read_performance, | |
2531 | .cleanup = mmc_test_area_cleanup, | |
2532 | }, | |
2533 | ||
2534 | { | |
2535 | .name = "Best-case write performance", | |
2536 | .prepare = mmc_test_area_prepare_erase, | |
2537 | .run = mmc_test_best_write_performance, | |
2538 | .cleanup = mmc_test_area_cleanup, | |
2539 | }, | |
2540 | ||
2541 | { | |
2542 | .name = "Best-case read performance into scattered pages", | |
2543 | .prepare = mmc_test_area_prepare_fill, | |
2544 | .run = mmc_test_best_read_perf_max_scatter, | |
2545 | .cleanup = mmc_test_area_cleanup, | |
2546 | }, | |
2547 | ||
2548 | { | |
2549 | .name = "Best-case write performance from scattered pages", | |
2550 | .prepare = mmc_test_area_prepare_erase, | |
2551 | .run = mmc_test_best_write_perf_max_scatter, | |
2552 | .cleanup = mmc_test_area_cleanup, | |
2553 | }, | |
2554 | ||
2555 | { | |
2556 | .name = "Single read performance by transfer size", | |
2557 | .prepare = mmc_test_area_prepare_fill, | |
2558 | .run = mmc_test_profile_read_perf, | |
2559 | .cleanup = mmc_test_area_cleanup, | |
2560 | }, | |
2561 | ||
2562 | { | |
2563 | .name = "Single write performance by transfer size", | |
2564 | .prepare = mmc_test_area_prepare, | |
2565 | .run = mmc_test_profile_write_perf, | |
2566 | .cleanup = mmc_test_area_cleanup, | |
2567 | }, | |
2568 | ||
2569 | { | |
2570 | .name = "Single trim performance by transfer size", | |
2571 | .prepare = mmc_test_area_prepare_fill, | |
2572 | .run = mmc_test_profile_trim_perf, | |
2573 | .cleanup = mmc_test_area_cleanup, | |
2574 | }, | |
2575 | ||
2576 | { | |
2577 | .name = "Consecutive read performance by transfer size", | |
2578 | .prepare = mmc_test_area_prepare_fill, | |
2579 | .run = mmc_test_profile_seq_read_perf, | |
2580 | .cleanup = mmc_test_area_cleanup, | |
2581 | }, | |
2582 | ||
2583 | { | |
2584 | .name = "Consecutive write performance by transfer size", | |
2585 | .prepare = mmc_test_area_prepare, | |
2586 | .run = mmc_test_profile_seq_write_perf, | |
2587 | .cleanup = mmc_test_area_cleanup, | |
2588 | }, | |
2589 | ||
2590 | { | |
2591 | .name = "Consecutive trim performance by transfer size", | |
2592 | .prepare = mmc_test_area_prepare, | |
2593 | .run = mmc_test_profile_seq_trim_perf, | |
2594 | .cleanup = mmc_test_area_cleanup, | |
2595 | }, | |
2596 | ||
b6056d12 AH |
2597 | { |
2598 | .name = "Random read performance by transfer size", | |
2599 | .prepare = mmc_test_area_prepare, | |
2600 | .run = mmc_test_random_read_perf, | |
2601 | .cleanup = mmc_test_area_cleanup, | |
2602 | }, | |
2603 | ||
2604 | { | |
2605 | .name = "Random write performance by transfer size", | |
2606 | .prepare = mmc_test_area_prepare, | |
2607 | .run = mmc_test_random_write_perf, | |
2608 | .cleanup = mmc_test_area_cleanup, | |
2609 | }, | |
2610 | ||
a803d551 AH |
2611 | { |
2612 | .name = "Large sequential read into scattered pages", | |
2613 | .prepare = mmc_test_area_prepare, | |
2614 | .run = mmc_test_large_seq_read_perf, | |
2615 | .cleanup = mmc_test_area_cleanup, | |
2616 | }, | |
2617 | ||
2618 | { | |
2619 | .name = "Large sequential write from scattered pages", | |
2620 | .prepare = mmc_test_area_prepare, | |
2621 | .run = mmc_test_large_seq_write_perf, | |
2622 | .cleanup = mmc_test_area_cleanup, | |
2623 | }, | |
2624 | ||
9f9c4180 PF |
2625 | { |
2626 | .name = "Write performance with blocking req 4k to 4MB", | |
2627 | .prepare = mmc_test_area_prepare, | |
2628 | .run = mmc_test_profile_mult_write_blocking_perf, | |
2629 | .cleanup = mmc_test_area_cleanup, | |
2630 | }, | |
2631 | ||
2632 | { | |
2633 | .name = "Write performance with non-blocking req 4k to 4MB", | |
2634 | .prepare = mmc_test_area_prepare, | |
2635 | .run = mmc_test_profile_mult_write_nonblock_perf, | |
2636 | .cleanup = mmc_test_area_cleanup, | |
2637 | }, | |
2638 | ||
2639 | { | |
2640 | .name = "Read performance with blocking req 4k to 4MB", | |
2641 | .prepare = mmc_test_area_prepare, | |
2642 | .run = mmc_test_profile_mult_read_blocking_perf, | |
2643 | .cleanup = mmc_test_area_cleanup, | |
2644 | }, | |
2645 | ||
2646 | { | |
2647 | .name = "Read performance with non-blocking req 4k to 4MB", | |
2648 | .prepare = mmc_test_area_prepare, | |
2649 | .run = mmc_test_profile_mult_read_nonblock_perf, | |
2650 | .cleanup = mmc_test_area_cleanup, | |
2651 | }, | |
bf043330 PF |
2652 | |
2653 | { | |
2654 | .name = "Write performance blocking req 1 to 512 sg elems", | |
2655 | .prepare = mmc_test_area_prepare, | |
2656 | .run = mmc_test_profile_sglen_wr_blocking_perf, | |
2657 | .cleanup = mmc_test_area_cleanup, | |
2658 | }, | |
2659 | ||
2660 | { | |
2661 | .name = "Write performance non-blocking req 1 to 512 sg elems", | |
2662 | .prepare = mmc_test_area_prepare, | |
2663 | .run = mmc_test_profile_sglen_wr_nonblock_perf, | |
2664 | .cleanup = mmc_test_area_cleanup, | |
2665 | }, | |
2666 | ||
2667 | { | |
2668 | .name = "Read performance blocking req 1 to 512 sg elems", | |
2669 | .prepare = mmc_test_area_prepare, | |
2670 | .run = mmc_test_profile_sglen_r_blocking_perf, | |
2671 | .cleanup = mmc_test_area_cleanup, | |
2672 | }, | |
2673 | ||
2674 | { | |
2675 | .name = "Read performance non-blocking req 1 to 512 sg elems", | |
2676 | .prepare = mmc_test_area_prepare, | |
2677 | .run = mmc_test_profile_sglen_r_nonblock_perf, | |
2678 | .cleanup = mmc_test_area_cleanup, | |
2679 | }, | |
2311344c AH |
2680 | |
2681 | { | |
2682 | .name = "eMMC hardware reset", | |
2683 | .run = mmc_test_hw_reset, | |
2684 | }, | |
88ae600d PO |
2685 | }; |
2686 | ||
a650031a | 2687 | static DEFINE_MUTEX(mmc_test_lock); |
88ae600d | 2688 | |
3183aa15 AS |
2689 | static LIST_HEAD(mmc_test_result); |
2690 | ||
fd8c326c | 2691 | static void mmc_test_run(struct mmc_test_card *test, int testcase) |
88ae600d PO |
2692 | { |
2693 | int i, ret; | |
2694 | ||
a3c76eb9 | 2695 | pr_info("%s: Starting tests of card %s...\n", |
88ae600d PO |
2696 | mmc_hostname(test->card->host), mmc_card_id(test->card)); |
2697 | ||
2698 | mmc_claim_host(test->card->host); | |
2699 | ||
2700 | for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) { | |
3183aa15 AS |
2701 | struct mmc_test_general_result *gr; |
2702 | ||
fd8c326c PO |
2703 | if (testcase && ((i + 1) != testcase)) |
2704 | continue; | |
2705 | ||
a3c76eb9 | 2706 | pr_info("%s: Test case %d. %s...\n", |
88ae600d PO |
2707 | mmc_hostname(test->card->host), i + 1, |
2708 | mmc_test_cases[i].name); | |
2709 | ||
2710 | if (mmc_test_cases[i].prepare) { | |
2711 | ret = mmc_test_cases[i].prepare(test); | |
2712 | if (ret) { | |
a3c76eb9 | 2713 | pr_info("%s: Result: Prepare " |
88ae600d PO |
2714 | "stage failed! (%d)\n", |
2715 | mmc_hostname(test->card->host), | |
2716 | ret); | |
2717 | continue; | |
2718 | } | |
2719 | } | |
2720 | ||
3183aa15 AS |
2721 | gr = kzalloc(sizeof(struct mmc_test_general_result), |
2722 | GFP_KERNEL); | |
2723 | if (gr) { | |
2724 | INIT_LIST_HEAD(&gr->tr_lst); | |
2725 | ||
2726 | /* Assign data what we know already */ | |
2727 | gr->card = test->card; | |
2728 | gr->testcase = i; | |
2729 | ||
2730 | /* Append container to global one */ | |
2731 | list_add_tail(&gr->link, &mmc_test_result); | |
2732 | ||
2733 | /* | |
2734 | * Save the pointer to created container in our private | |
2735 | * structure. | |
2736 | */ | |
2737 | test->gr = gr; | |
2738 | } | |
2739 | ||
88ae600d PO |
2740 | ret = mmc_test_cases[i].run(test); |
2741 | switch (ret) { | |
2742 | case RESULT_OK: | |
a3c76eb9 | 2743 | pr_info("%s: Result: OK\n", |
88ae600d PO |
2744 | mmc_hostname(test->card->host)); |
2745 | break; | |
2746 | case RESULT_FAIL: | |
a3c76eb9 | 2747 | pr_info("%s: Result: FAILED\n", |
88ae600d PO |
2748 | mmc_hostname(test->card->host)); |
2749 | break; | |
2750 | case RESULT_UNSUP_HOST: | |
a3c76eb9 | 2751 | pr_info("%s: Result: UNSUPPORTED " |
88ae600d PO |
2752 | "(by host)\n", |
2753 | mmc_hostname(test->card->host)); | |
2754 | break; | |
2755 | case RESULT_UNSUP_CARD: | |
a3c76eb9 | 2756 | pr_info("%s: Result: UNSUPPORTED " |
88ae600d PO |
2757 | "(by card)\n", |
2758 | mmc_hostname(test->card->host)); | |
2759 | break; | |
2760 | default: | |
a3c76eb9 | 2761 | pr_info("%s: Result: ERROR (%d)\n", |
88ae600d PO |
2762 | mmc_hostname(test->card->host), ret); |
2763 | } | |
2764 | ||
3183aa15 AS |
2765 | /* Save the result */ |
2766 | if (gr) | |
2767 | gr->result = ret; | |
2768 | ||
88ae600d PO |
2769 | if (mmc_test_cases[i].cleanup) { |
2770 | ret = mmc_test_cases[i].cleanup(test); | |
2771 | if (ret) { | |
a3c76eb9 | 2772 | pr_info("%s: Warning: Cleanup " |
88ae600d PO |
2773 | "stage failed! (%d)\n", |
2774 | mmc_hostname(test->card->host), | |
2775 | ret); | |
2776 | } | |
2777 | } | |
2778 | } | |
2779 | ||
2780 | mmc_release_host(test->card->host); | |
2781 | ||
a3c76eb9 | 2782 | pr_info("%s: Tests completed.\n", |
88ae600d PO |
2783 | mmc_hostname(test->card->host)); |
2784 | } | |
2785 | ||
3183aa15 AS |
2786 | static void mmc_test_free_result(struct mmc_card *card) |
2787 | { | |
2788 | struct mmc_test_general_result *gr, *grs; | |
2789 | ||
2790 | mutex_lock(&mmc_test_lock); | |
2791 | ||
2792 | list_for_each_entry_safe(gr, grs, &mmc_test_result, link) { | |
2793 | struct mmc_test_transfer_result *tr, *trs; | |
2794 | ||
2795 | if (card && gr->card != card) | |
2796 | continue; | |
2797 | ||
2798 | list_for_each_entry_safe(tr, trs, &gr->tr_lst, link) { | |
2799 | list_del(&tr->link); | |
2800 | kfree(tr); | |
2801 | } | |
2802 | ||
2803 | list_del(&gr->link); | |
2804 | kfree(gr); | |
2805 | } | |
2806 | ||
2807 | mutex_unlock(&mmc_test_lock); | |
2808 | } | |
2809 | ||
130067ed AS |
2810 | static LIST_HEAD(mmc_test_file_test); |
2811 | ||
2812 | static int mtf_test_show(struct seq_file *sf, void *data) | |
88ae600d | 2813 | { |
130067ed | 2814 | struct mmc_card *card = (struct mmc_card *)sf->private; |
3183aa15 | 2815 | struct mmc_test_general_result *gr; |
3183aa15 | 2816 | |
88ae600d | 2817 | mutex_lock(&mmc_test_lock); |
3183aa15 AS |
2818 | |
2819 | list_for_each_entry(gr, &mmc_test_result, link) { | |
2820 | struct mmc_test_transfer_result *tr; | |
2821 | ||
2822 | if (gr->card != card) | |
2823 | continue; | |
2824 | ||
130067ed | 2825 | seq_printf(sf, "Test %d: %d\n", gr->testcase + 1, gr->result); |
3183aa15 AS |
2826 | |
2827 | list_for_each_entry(tr, &gr->tr_lst, link) { | |
b6056d12 | 2828 | seq_printf(sf, "%u %d %lu.%09lu %u %u.%02u\n", |
3183aa15 AS |
2829 | tr->count, tr->sectors, |
2830 | (unsigned long)tr->ts.tv_sec, | |
2831 | (unsigned long)tr->ts.tv_nsec, | |
b6056d12 | 2832 | tr->rate, tr->iops / 100, tr->iops % 100); |
3183aa15 AS |
2833 | } |
2834 | } | |
2835 | ||
88ae600d PO |
2836 | mutex_unlock(&mmc_test_lock); |
2837 | ||
130067ed | 2838 | return 0; |
88ae600d PO |
2839 | } |
2840 | ||
130067ed | 2841 | static int mtf_test_open(struct inode *inode, struct file *file) |
88ae600d | 2842 | { |
130067ed AS |
2843 | return single_open(file, mtf_test_show, inode->i_private); |
2844 | } | |
2845 | ||
2846 | static ssize_t mtf_test_write(struct file *file, const char __user *buf, | |
2847 | size_t count, loff_t *pos) | |
2848 | { | |
2849 | struct seq_file *sf = (struct seq_file *)file->private_data; | |
2850 | struct mmc_card *card = (struct mmc_card *)sf->private; | |
88ae600d | 2851 | struct mmc_test_card *test; |
130067ed | 2852 | char lbuf[12]; |
5c25aee5 | 2853 | long testcase; |
88ae600d | 2854 | |
130067ed AS |
2855 | if (count >= sizeof(lbuf)) |
2856 | return -EINVAL; | |
2857 | ||
2858 | if (copy_from_user(lbuf, buf, count)) | |
2859 | return -EFAULT; | |
2860 | lbuf[count] = '\0'; | |
2861 | ||
2862 | if (strict_strtol(lbuf, 10, &testcase)) | |
5c25aee5 | 2863 | return -EINVAL; |
fd8c326c | 2864 | |
88ae600d PO |
2865 | test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL); |
2866 | if (!test) | |
2867 | return -ENOMEM; | |
2868 | ||
3183aa15 AS |
2869 | /* |
2870 | * Remove all test cases associated with given card. Thus we have only | |
2871 | * actual data of the last run. | |
2872 | */ | |
2873 | mmc_test_free_result(card); | |
2874 | ||
88ae600d PO |
2875 | test->card = card; |
2876 | ||
2877 | test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); | |
2661081f PO |
2878 | #ifdef CONFIG_HIGHMEM |
2879 | test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); | |
2880 | #endif | |
2881 | ||
2882 | #ifdef CONFIG_HIGHMEM | |
2883 | if (test->buffer && test->highmem) { | |
2884 | #else | |
88ae600d | 2885 | if (test->buffer) { |
2661081f | 2886 | #endif |
88ae600d | 2887 | mutex_lock(&mmc_test_lock); |
fd8c326c | 2888 | mmc_test_run(test, testcase); |
88ae600d PO |
2889 | mutex_unlock(&mmc_test_lock); |
2890 | } | |
2891 | ||
2661081f PO |
2892 | #ifdef CONFIG_HIGHMEM |
2893 | __free_pages(test->highmem, BUFFER_ORDER); | |
2894 | #endif | |
88ae600d PO |
2895 | kfree(test->buffer); |
2896 | kfree(test); | |
2897 | ||
2898 | return count; | |
2899 | } | |
2900 | ||
130067ed AS |
2901 | static const struct file_operations mmc_test_fops_test = { |
2902 | .open = mtf_test_open, | |
2903 | .read = seq_read, | |
2904 | .write = mtf_test_write, | |
2905 | .llseek = seq_lseek, | |
2906 | .release = single_release, | |
2907 | }; | |
2908 | ||
54f3caf5 PF |
2909 | static int mtf_testlist_show(struct seq_file *sf, void *data) |
2910 | { | |
2911 | int i; | |
2912 | ||
2913 | mutex_lock(&mmc_test_lock); | |
2914 | ||
2915 | for (i = 0; i < ARRAY_SIZE(mmc_test_cases); i++) | |
2916 | seq_printf(sf, "%d:\t%s\n", i+1, mmc_test_cases[i].name); | |
2917 | ||
2918 | mutex_unlock(&mmc_test_lock); | |
2919 | ||
2920 | return 0; | |
2921 | } | |
2922 | ||
2923 | static int mtf_testlist_open(struct inode *inode, struct file *file) | |
2924 | { | |
2925 | return single_open(file, mtf_testlist_show, inode->i_private); | |
2926 | } | |
2927 | ||
2928 | static const struct file_operations mmc_test_fops_testlist = { | |
2929 | .open = mtf_testlist_open, | |
2930 | .read = seq_read, | |
2931 | .llseek = seq_lseek, | |
2932 | .release = single_release, | |
2933 | }; | |
2934 | ||
d5a5bd1c | 2935 | static void mmc_test_free_dbgfs_file(struct mmc_card *card) |
130067ed AS |
2936 | { |
2937 | struct mmc_test_dbgfs_file *df, *dfs; | |
2938 | ||
2939 | mutex_lock(&mmc_test_lock); | |
2940 | ||
2941 | list_for_each_entry_safe(df, dfs, &mmc_test_file_test, link) { | |
2942 | if (card && df->card != card) | |
2943 | continue; | |
2944 | debugfs_remove(df->file); | |
2945 | list_del(&df->link); | |
2946 | kfree(df); | |
2947 | } | |
2948 | ||
2949 | mutex_unlock(&mmc_test_lock); | |
2950 | } | |
2951 | ||
d5a5bd1c | 2952 | static int __mmc_test_register_dbgfs_file(struct mmc_card *card, |
f4ae40a6 | 2953 | const char *name, umode_t mode, const struct file_operations *fops) |
130067ed AS |
2954 | { |
2955 | struct dentry *file = NULL; | |
2956 | struct mmc_test_dbgfs_file *df; | |
54f3caf5 PF |
2957 | |
2958 | if (card->debugfs_root) | |
d5a5bd1c AS |
2959 | file = debugfs_create_file(name, mode, card->debugfs_root, |
2960 | card, fops); | |
54f3caf5 PF |
2961 | |
2962 | if (IS_ERR_OR_NULL(file)) { | |
2963 | dev_err(&card->dev, | |
d5a5bd1c AS |
2964 | "Can't create %s. Perhaps debugfs is disabled.\n", |
2965 | name); | |
2966 | return -ENODEV; | |
130067ed AS |
2967 | } |
2968 | ||
2969 | df = kmalloc(sizeof(struct mmc_test_dbgfs_file), GFP_KERNEL); | |
2970 | if (!df) { | |
2971 | debugfs_remove(file); | |
2972 | dev_err(&card->dev, | |
2973 | "Can't allocate memory for internal usage.\n"); | |
d5a5bd1c | 2974 | return -ENOMEM; |
130067ed AS |
2975 | } |
2976 | ||
2977 | df->card = card; | |
2978 | df->file = file; | |
2979 | ||
2980 | list_add(&df->link, &mmc_test_file_test); | |
d5a5bd1c AS |
2981 | return 0; |
2982 | } | |
2983 | ||
2984 | static int mmc_test_register_dbgfs_file(struct mmc_card *card) | |
2985 | { | |
2986 | int ret; | |
2987 | ||
2988 | mutex_lock(&mmc_test_lock); | |
2989 | ||
2990 | ret = __mmc_test_register_dbgfs_file(card, "test", S_IWUSR | S_IRUGO, | |
2991 | &mmc_test_fops_test); | |
2992 | if (ret) | |
2993 | goto err; | |
2994 | ||
2995 | ret = __mmc_test_register_dbgfs_file(card, "testlist", S_IRUGO, | |
2996 | &mmc_test_fops_testlist); | |
2997 | if (ret) | |
2998 | goto err; | |
130067ed AS |
2999 | |
3000 | err: | |
3001 | mutex_unlock(&mmc_test_lock); | |
3002 | ||
3003 | return ret; | |
3004 | } | |
88ae600d PO |
3005 | |
3006 | static int mmc_test_probe(struct mmc_card *card) | |
3007 | { | |
3008 | int ret; | |
3009 | ||
63be54ce | 3010 | if (!mmc_card_mmc(card) && !mmc_card_sd(card)) |
0121a982 PO |
3011 | return -ENODEV; |
3012 | ||
d5a5bd1c | 3013 | ret = mmc_test_register_dbgfs_file(card); |
88ae600d PO |
3014 | if (ret) |
3015 | return ret; | |
3016 | ||
60c9c7b1 PO |
3017 | dev_info(&card->dev, "Card claimed for testing.\n"); |
3018 | ||
88ae600d PO |
3019 | return 0; |
3020 | } | |
3021 | ||
3022 | static void mmc_test_remove(struct mmc_card *card) | |
3023 | { | |
3183aa15 | 3024 | mmc_test_free_result(card); |
d5a5bd1c | 3025 | mmc_test_free_dbgfs_file(card); |
88ae600d PO |
3026 | } |
3027 | ||
76287748 UH |
3028 | static void mmc_test_shutdown(struct mmc_card *card) |
3029 | { | |
3030 | } | |
3031 | ||
88ae600d PO |
3032 | static struct mmc_driver mmc_driver = { |
3033 | .drv = { | |
3034 | .name = "mmc_test", | |
3035 | }, | |
3036 | .probe = mmc_test_probe, | |
3037 | .remove = mmc_test_remove, | |
76287748 | 3038 | .shutdown = mmc_test_shutdown, |
88ae600d PO |
3039 | }; |
3040 | ||
3041 | static int __init mmc_test_init(void) | |
3042 | { | |
3043 | return mmc_register_driver(&mmc_driver); | |
3044 | } | |
3045 | ||
3046 | static void __exit mmc_test_exit(void) | |
3047 | { | |
3183aa15 AS |
3048 | /* Clear stalled data if card is still plugged */ |
3049 | mmc_test_free_result(NULL); | |
d5a5bd1c | 3050 | mmc_test_free_dbgfs_file(NULL); |
3183aa15 | 3051 | |
88ae600d PO |
3052 | mmc_unregister_driver(&mmc_driver); |
3053 | } | |
3054 | ||
3055 | module_init(mmc_test_init); | |
3056 | module_exit(mmc_test_exit); | |
3057 | ||
3058 | MODULE_LICENSE("GPL"); | |
3059 | MODULE_DESCRIPTION("Multimedia Card (MMC) host test driver"); | |
3060 | MODULE_AUTHOR("Pierre Ossman"); |