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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> |
6685ac62 | 17 | #include <linux/device.h> |
88ae600d PO |
18 | |
19 | #include <linux/scatterlist.h> | |
fec4dcce | 20 | #include <linux/swap.h> /* For nr_free_buffer_pages() */ |
3183aa15 | 21 | #include <linux/list.h> |
88ae600d | 22 | |
130067ed AS |
23 | #include <linux/debugfs.h> |
24 | #include <linux/uaccess.h> | |
25 | #include <linux/seq_file.h> | |
88b47679 | 26 | #include <linux/module.h> |
130067ed | 27 | |
88ae600d PO |
28 | #define RESULT_OK 0 |
29 | #define RESULT_FAIL 1 | |
30 | #define RESULT_UNSUP_HOST 2 | |
31 | #define RESULT_UNSUP_CARD 3 | |
32 | ||
2661081f PO |
33 | #define BUFFER_ORDER 2 |
34 | #define BUFFER_SIZE (PAGE_SIZE << BUFFER_ORDER) | |
88ae600d | 35 | |
3ee14bf7 AH |
36 | #define TEST_ALIGN_END 8 |
37 | ||
fec4dcce AH |
38 | /* |
39 | * Limit the test area size to the maximum MMC HC erase group size. Note that | |
40 | * the maximum SD allocation unit size is just 4MiB. | |
41 | */ | |
42 | #define TEST_AREA_MAX_SIZE (128 * 1024 * 1024) | |
43 | ||
64f7120d AH |
44 | /** |
45 | * struct mmc_test_pages - pages allocated by 'alloc_pages()'. | |
46 | * @page: first page in the allocation | |
47 | * @order: order of the number of pages allocated | |
48 | */ | |
49 | struct mmc_test_pages { | |
50 | struct page *page; | |
51 | unsigned int order; | |
52 | }; | |
53 | ||
54 | /** | |
55 | * struct mmc_test_mem - allocated memory. | |
56 | * @arr: array of allocations | |
57 | * @cnt: number of allocations | |
58 | */ | |
59 | struct mmc_test_mem { | |
60 | struct mmc_test_pages *arr; | |
61 | unsigned int cnt; | |
62 | }; | |
63 | ||
64 | /** | |
65 | * struct mmc_test_area - information for performance tests. | |
64f7120d | 66 | * @max_sz: test area size (in bytes) |
fec4dcce | 67 | * @dev_addr: address on card at which to do performance tests |
c8c8c1bd AH |
68 | * @max_tfr: maximum transfer size allowed by driver (in bytes) |
69 | * @max_segs: maximum segments allowed by driver in scatterlist @sg | |
70 | * @max_seg_sz: maximum segment size allowed by driver | |
64f7120d AH |
71 | * @blocks: number of (512 byte) blocks currently mapped by @sg |
72 | * @sg_len: length of currently mapped scatterlist @sg | |
73 | * @mem: allocated memory | |
74 | * @sg: scatterlist | |
75 | */ | |
76 | struct mmc_test_area { | |
fec4dcce | 77 | unsigned long max_sz; |
64f7120d | 78 | unsigned int dev_addr; |
c8c8c1bd | 79 | unsigned int max_tfr; |
64f7120d | 80 | unsigned int max_segs; |
c8c8c1bd | 81 | unsigned int max_seg_sz; |
64f7120d AH |
82 | unsigned int blocks; |
83 | unsigned int sg_len; | |
84 | struct mmc_test_mem *mem; | |
85 | struct scatterlist *sg; | |
86 | }; | |
87 | ||
3183aa15 AS |
88 | /** |
89 | * struct mmc_test_transfer_result - transfer results for performance tests. | |
90 | * @link: double-linked list | |
91 | * @count: amount of group of sectors to check | |
92 | * @sectors: amount of sectors to check in one group | |
93 | * @ts: time values of transfer | |
94 | * @rate: calculated transfer rate | |
b6056d12 | 95 | * @iops: I/O operations per second (times 100) |
3183aa15 AS |
96 | */ |
97 | struct mmc_test_transfer_result { | |
98 | struct list_head link; | |
99 | unsigned int count; | |
100 | unsigned int sectors; | |
101 | struct timespec ts; | |
102 | unsigned int rate; | |
b6056d12 | 103 | unsigned int iops; |
3183aa15 AS |
104 | }; |
105 | ||
106 | /** | |
107 | * struct mmc_test_general_result - results for tests. | |
108 | * @link: double-linked list | |
109 | * @card: card under test | |
110 | * @testcase: number of test case | |
111 | * @result: result of test run | |
112 | * @tr_lst: transfer measurements if any as mmc_test_transfer_result | |
113 | */ | |
114 | struct mmc_test_general_result { | |
115 | struct list_head link; | |
116 | struct mmc_card *card; | |
117 | int testcase; | |
118 | int result; | |
119 | struct list_head tr_lst; | |
120 | }; | |
121 | ||
130067ed AS |
122 | /** |
123 | * struct mmc_test_dbgfs_file - debugfs related file. | |
124 | * @link: double-linked list | |
125 | * @card: card under test | |
126 | * @file: file created under debugfs | |
127 | */ | |
128 | struct mmc_test_dbgfs_file { | |
129 | struct list_head link; | |
130 | struct mmc_card *card; | |
131 | struct dentry *file; | |
132 | }; | |
133 | ||
64f7120d AH |
134 | /** |
135 | * struct mmc_test_card - test information. | |
136 | * @card: card under test | |
137 | * @scratch: transfer buffer | |
138 | * @buffer: transfer buffer | |
139 | * @highmem: buffer for highmem tests | |
140 | * @area: information for performance tests | |
3183aa15 | 141 | * @gr: pointer to results of current testcase |
64f7120d | 142 | */ |
88ae600d PO |
143 | struct mmc_test_card { |
144 | struct mmc_card *card; | |
145 | ||
6b174931 | 146 | u8 scratch[BUFFER_SIZE]; |
88ae600d | 147 | u8 *buffer; |
2661081f PO |
148 | #ifdef CONFIG_HIGHMEM |
149 | struct page *highmem; | |
150 | #endif | |
3183aa15 AS |
151 | struct mmc_test_area area; |
152 | struct mmc_test_general_result *gr; | |
88ae600d PO |
153 | }; |
154 | ||
9f9c4180 PF |
155 | enum mmc_test_prep_media { |
156 | MMC_TEST_PREP_NONE = 0, | |
157 | MMC_TEST_PREP_WRITE_FULL = 1 << 0, | |
158 | MMC_TEST_PREP_ERASE = 1 << 1, | |
159 | }; | |
160 | ||
161 | struct mmc_test_multiple_rw { | |
bf043330 | 162 | unsigned int *sg_len; |
9f9c4180 PF |
163 | unsigned int *bs; |
164 | unsigned int len; | |
165 | unsigned int size; | |
166 | bool do_write; | |
167 | bool do_nonblock_req; | |
168 | enum mmc_test_prep_media prepare; | |
169 | }; | |
170 | ||
171 | struct mmc_test_async_req { | |
172 | struct mmc_async_req areq; | |
173 | struct mmc_test_card *test; | |
174 | }; | |
175 | ||
88ae600d | 176 | /*******************************************************************/ |
6b174931 | 177 | /* General helper functions */ |
88ae600d PO |
178 | /*******************************************************************/ |
179 | ||
6b174931 PO |
180 | /* |
181 | * Configure correct block size in card | |
182 | */ | |
88ae600d PO |
183 | static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size) |
184 | { | |
0f8d8ea6 | 185 | return mmc_set_blocklen(test->card, size); |
88ae600d PO |
186 | } |
187 | ||
6b174931 PO |
188 | /* |
189 | * Fill in the mmc_request structure given a set of transfer parameters. | |
190 | */ | |
191 | static void mmc_test_prepare_mrq(struct mmc_test_card *test, | |
192 | struct mmc_request *mrq, struct scatterlist *sg, unsigned sg_len, | |
193 | unsigned dev_addr, unsigned blocks, unsigned blksz, int write) | |
88ae600d | 194 | { |
6b174931 | 195 | BUG_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop); |
88ae600d | 196 | |
6b174931 PO |
197 | if (blocks > 1) { |
198 | mrq->cmd->opcode = write ? | |
199 | MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK; | |
88ae600d | 200 | } else { |
6b174931 PO |
201 | mrq->cmd->opcode = write ? |
202 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
88ae600d PO |
203 | } |
204 | ||
6b174931 | 205 | mrq->cmd->arg = dev_addr; |
c286d03c JK |
206 | if (!mmc_card_blockaddr(test->card)) |
207 | mrq->cmd->arg <<= 9; | |
208 | ||
6b174931 | 209 | mrq->cmd->flags = MMC_RSP_R1 | MMC_CMD_ADTC; |
88ae600d | 210 | |
6b174931 PO |
211 | if (blocks == 1) |
212 | mrq->stop = NULL; | |
213 | else { | |
214 | mrq->stop->opcode = MMC_STOP_TRANSMISSION; | |
215 | mrq->stop->arg = 0; | |
216 | mrq->stop->flags = MMC_RSP_R1B | MMC_CMD_AC; | |
88ae600d PO |
217 | } |
218 | ||
6b174931 PO |
219 | mrq->data->blksz = blksz; |
220 | mrq->data->blocks = blocks; | |
221 | mrq->data->flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; | |
222 | mrq->data->sg = sg; | |
223 | mrq->data->sg_len = sg_len; | |
88ae600d | 224 | |
6b174931 PO |
225 | mmc_set_data_timeout(mrq->data, test->card); |
226 | } | |
88ae600d | 227 | |
64f7120d AH |
228 | static int mmc_test_busy(struct mmc_command *cmd) |
229 | { | |
230 | return !(cmd->resp[0] & R1_READY_FOR_DATA) || | |
7435bb79 | 231 | (R1_CURRENT_STATE(cmd->resp[0]) == R1_STATE_PRG); |
64f7120d AH |
232 | } |
233 | ||
6b174931 PO |
234 | /* |
235 | * Wait for the card to finish the busy state | |
236 | */ | |
237 | static int mmc_test_wait_busy(struct mmc_test_card *test) | |
238 | { | |
239 | int ret, busy; | |
1278dba1 | 240 | struct mmc_command cmd = {0}; |
88ae600d PO |
241 | |
242 | busy = 0; | |
243 | do { | |
88ae600d PO |
244 | memset(&cmd, 0, sizeof(struct mmc_command)); |
245 | ||
246 | cmd.opcode = MMC_SEND_STATUS; | |
247 | cmd.arg = test->card->rca << 16; | |
248 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; | |
249 | ||
6b174931 PO |
250 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); |
251 | if (ret) | |
88ae600d PO |
252 | break; |
253 | ||
64f7120d | 254 | if (!busy && mmc_test_busy(&cmd)) { |
88ae600d | 255 | busy = 1; |
54d6b44a | 256 | if (test->card->host->caps & MMC_CAP_WAIT_WHILE_BUSY) |
a3c76eb9 | 257 | pr_info("%s: Warning: Host did not " |
54d6b44a PM |
258 | "wait for busy state to end.\n", |
259 | mmc_hostname(test->card->host)); | |
88ae600d | 260 | } |
64f7120d | 261 | } while (mmc_test_busy(&cmd)); |
88ae600d PO |
262 | |
263 | return ret; | |
264 | } | |
265 | ||
6b174931 PO |
266 | /* |
267 | * Transfer a single sector of kernel addressable data | |
268 | */ | |
269 | static int mmc_test_buffer_transfer(struct mmc_test_card *test, | |
270 | u8 *buffer, unsigned addr, unsigned blksz, int write) | |
88ae600d | 271 | { |
6b174931 PO |
272 | int ret; |
273 | ||
24f5b53b | 274 | struct mmc_request mrq = {0}; |
1278dba1 CB |
275 | struct mmc_command cmd = {0}; |
276 | struct mmc_command stop = {0}; | |
a61ad2b4 | 277 | struct mmc_data data = {0}; |
6b174931 PO |
278 | |
279 | struct scatterlist sg; | |
280 | ||
6b174931 PO |
281 | mrq.cmd = &cmd; |
282 | mrq.data = &data; | |
283 | mrq.stop = &stop; | |
284 | ||
285 | sg_init_one(&sg, buffer, blksz); | |
286 | ||
287 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write); | |
288 | ||
289 | mmc_wait_for_req(test->card->host, &mrq); | |
290 | ||
291 | if (cmd.error) | |
292 | return cmd.error; | |
293 | if (data.error) | |
294 | return data.error; | |
295 | ||
296 | ret = mmc_test_wait_busy(test); | |
297 | if (ret) | |
298 | return ret; | |
299 | ||
300 | return 0; | |
88ae600d PO |
301 | } |
302 | ||
64f7120d AH |
303 | static void mmc_test_free_mem(struct mmc_test_mem *mem) |
304 | { | |
305 | if (!mem) | |
306 | return; | |
307 | while (mem->cnt--) | |
308 | __free_pages(mem->arr[mem->cnt].page, | |
309 | mem->arr[mem->cnt].order); | |
310 | kfree(mem->arr); | |
311 | kfree(mem); | |
312 | } | |
313 | ||
314 | /* | |
25985edc | 315 | * Allocate a lot of memory, preferably max_sz but at least min_sz. In case |
c8c8c1bd AH |
316 | * there isn't much memory do not exceed 1/16th total lowmem pages. Also do |
317 | * not exceed a maximum number of segments and try not to make segments much | |
318 | * bigger than maximum segment size. | |
64f7120d | 319 | */ |
fec4dcce | 320 | static struct mmc_test_mem *mmc_test_alloc_mem(unsigned long min_sz, |
c8c8c1bd AH |
321 | unsigned long max_sz, |
322 | unsigned int max_segs, | |
323 | unsigned int max_seg_sz) | |
64f7120d | 324 | { |
fec4dcce AH |
325 | unsigned long max_page_cnt = DIV_ROUND_UP(max_sz, PAGE_SIZE); |
326 | unsigned long min_page_cnt = DIV_ROUND_UP(min_sz, PAGE_SIZE); | |
c8c8c1bd | 327 | unsigned long max_seg_page_cnt = DIV_ROUND_UP(max_seg_sz, PAGE_SIZE); |
fec4dcce AH |
328 | unsigned long page_cnt = 0; |
329 | unsigned long limit = nr_free_buffer_pages() >> 4; | |
64f7120d | 330 | struct mmc_test_mem *mem; |
64f7120d | 331 | |
fec4dcce AH |
332 | if (max_page_cnt > limit) |
333 | max_page_cnt = limit; | |
3d203be8 AH |
334 | if (min_page_cnt > max_page_cnt) |
335 | min_page_cnt = max_page_cnt; | |
64f7120d | 336 | |
c8c8c1bd AH |
337 | if (max_seg_page_cnt > max_page_cnt) |
338 | max_seg_page_cnt = max_page_cnt; | |
339 | ||
340 | if (max_segs > max_page_cnt) | |
341 | max_segs = max_page_cnt; | |
342 | ||
64f7120d AH |
343 | mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL); |
344 | if (!mem) | |
345 | return NULL; | |
346 | ||
c8c8c1bd | 347 | mem->arr = kzalloc(sizeof(struct mmc_test_pages) * max_segs, |
64f7120d AH |
348 | GFP_KERNEL); |
349 | if (!mem->arr) | |
350 | goto out_free; | |
351 | ||
352 | while (max_page_cnt) { | |
353 | struct page *page; | |
354 | unsigned int order; | |
355 | gfp_t flags = GFP_KERNEL | GFP_DMA | __GFP_NOWARN | | |
356 | __GFP_NORETRY; | |
357 | ||
c8c8c1bd | 358 | order = get_order(max_seg_page_cnt << PAGE_SHIFT); |
64f7120d AH |
359 | while (1) { |
360 | page = alloc_pages(flags, order); | |
361 | if (page || !order) | |
362 | break; | |
363 | order -= 1; | |
364 | } | |
365 | if (!page) { | |
366 | if (page_cnt < min_page_cnt) | |
367 | goto out_free; | |
368 | break; | |
369 | } | |
370 | mem->arr[mem->cnt].page = page; | |
371 | mem->arr[mem->cnt].order = order; | |
372 | mem->cnt += 1; | |
fec4dcce AH |
373 | if (max_page_cnt <= (1UL << order)) |
374 | break; | |
3d203be8 AH |
375 | max_page_cnt -= 1UL << order; |
376 | page_cnt += 1UL << order; | |
c8c8c1bd AH |
377 | if (mem->cnt >= max_segs) { |
378 | if (page_cnt < min_page_cnt) | |
379 | goto out_free; | |
380 | break; | |
381 | } | |
64f7120d AH |
382 | } |
383 | ||
384 | return mem; | |
385 | ||
386 | out_free: | |
387 | mmc_test_free_mem(mem); | |
388 | return NULL; | |
389 | } | |
390 | ||
391 | /* | |
392 | * Map memory into a scatterlist. Optionally allow the same memory to be | |
393 | * mapped more than once. | |
394 | */ | |
bf043330 | 395 | static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long size, |
64f7120d | 396 | struct scatterlist *sglist, int repeat, |
c8c8c1bd | 397 | unsigned int max_segs, unsigned int max_seg_sz, |
bf043330 | 398 | unsigned int *sg_len, int min_sg_len) |
64f7120d AH |
399 | { |
400 | struct scatterlist *sg = NULL; | |
401 | unsigned int i; | |
bf043330 | 402 | unsigned long sz = size; |
64f7120d AH |
403 | |
404 | sg_init_table(sglist, max_segs); | |
bf043330 PF |
405 | if (min_sg_len > max_segs) |
406 | min_sg_len = max_segs; | |
64f7120d AH |
407 | |
408 | *sg_len = 0; | |
409 | do { | |
410 | for (i = 0; i < mem->cnt; i++) { | |
fec4dcce | 411 | unsigned long len = PAGE_SIZE << mem->arr[i].order; |
64f7120d | 412 | |
bf043330 PF |
413 | if (min_sg_len && (size / min_sg_len < len)) |
414 | len = ALIGN(size / min_sg_len, 512); | |
c8c8c1bd | 415 | if (len > sz) |
64f7120d | 416 | len = sz; |
c8c8c1bd AH |
417 | if (len > max_seg_sz) |
418 | len = max_seg_sz; | |
64f7120d AH |
419 | if (sg) |
420 | sg = sg_next(sg); | |
421 | else | |
422 | sg = sglist; | |
423 | if (!sg) | |
424 | return -EINVAL; | |
425 | sg_set_page(sg, mem->arr[i].page, len, 0); | |
426 | sz -= len; | |
427 | *sg_len += 1; | |
428 | if (!sz) | |
429 | break; | |
430 | } | |
431 | } while (sz && repeat); | |
432 | ||
433 | if (sz) | |
434 | return -EINVAL; | |
435 | ||
436 | if (sg) | |
437 | sg_mark_end(sg); | |
438 | ||
439 | return 0; | |
440 | } | |
441 | ||
442 | /* | |
443 | * Map memory into a scatterlist so that no pages are contiguous. Allow the | |
444 | * same memory to be mapped more than once. | |
445 | */ | |
446 | static int mmc_test_map_sg_max_scatter(struct mmc_test_mem *mem, | |
fec4dcce | 447 | unsigned long sz, |
64f7120d AH |
448 | struct scatterlist *sglist, |
449 | unsigned int max_segs, | |
c8c8c1bd | 450 | unsigned int max_seg_sz, |
64f7120d AH |
451 | unsigned int *sg_len) |
452 | { | |
453 | struct scatterlist *sg = NULL; | |
fec4dcce AH |
454 | unsigned int i = mem->cnt, cnt; |
455 | unsigned long len; | |
64f7120d AH |
456 | void *base, *addr, *last_addr = NULL; |
457 | ||
458 | sg_init_table(sglist, max_segs); | |
459 | ||
460 | *sg_len = 0; | |
c8c8c1bd | 461 | while (sz) { |
64f7120d AH |
462 | base = page_address(mem->arr[--i].page); |
463 | cnt = 1 << mem->arr[i].order; | |
464 | while (sz && cnt) { | |
465 | addr = base + PAGE_SIZE * --cnt; | |
466 | if (last_addr && last_addr + PAGE_SIZE == addr) | |
467 | continue; | |
468 | last_addr = addr; | |
469 | len = PAGE_SIZE; | |
c8c8c1bd AH |
470 | if (len > max_seg_sz) |
471 | len = max_seg_sz; | |
472 | if (len > sz) | |
64f7120d AH |
473 | len = sz; |
474 | if (sg) | |
475 | sg = sg_next(sg); | |
476 | else | |
477 | sg = sglist; | |
478 | if (!sg) | |
479 | return -EINVAL; | |
480 | sg_set_page(sg, virt_to_page(addr), len, 0); | |
481 | sz -= len; | |
482 | *sg_len += 1; | |
483 | } | |
c8c8c1bd AH |
484 | if (i == 0) |
485 | i = mem->cnt; | |
64f7120d AH |
486 | } |
487 | ||
488 | if (sg) | |
489 | sg_mark_end(sg); | |
490 | ||
491 | return 0; | |
492 | } | |
493 | ||
494 | /* | |
495 | * Calculate transfer rate in bytes per second. | |
496 | */ | |
497 | static unsigned int mmc_test_rate(uint64_t bytes, struct timespec *ts) | |
498 | { | |
499 | uint64_t ns; | |
500 | ||
501 | ns = ts->tv_sec; | |
502 | ns *= 1000000000; | |
503 | ns += ts->tv_nsec; | |
504 | ||
505 | bytes *= 1000000000; | |
506 | ||
507 | while (ns > UINT_MAX) { | |
508 | bytes >>= 1; | |
509 | ns >>= 1; | |
510 | } | |
511 | ||
512 | if (!ns) | |
513 | return 0; | |
514 | ||
515 | do_div(bytes, (uint32_t)ns); | |
516 | ||
517 | return bytes; | |
518 | } | |
519 | ||
3183aa15 AS |
520 | /* |
521 | * Save transfer results for future usage | |
522 | */ | |
523 | static void mmc_test_save_transfer_result(struct mmc_test_card *test, | |
524 | unsigned int count, unsigned int sectors, struct timespec ts, | |
b6056d12 | 525 | unsigned int rate, unsigned int iops) |
3183aa15 AS |
526 | { |
527 | struct mmc_test_transfer_result *tr; | |
528 | ||
529 | if (!test->gr) | |
530 | return; | |
531 | ||
532 | tr = kmalloc(sizeof(struct mmc_test_transfer_result), GFP_KERNEL); | |
533 | if (!tr) | |
534 | return; | |
535 | ||
536 | tr->count = count; | |
537 | tr->sectors = sectors; | |
538 | tr->ts = ts; | |
539 | tr->rate = rate; | |
b6056d12 | 540 | tr->iops = iops; |
3183aa15 AS |
541 | |
542 | list_add_tail(&tr->link, &test->gr->tr_lst); | |
543 | } | |
544 | ||
64f7120d AH |
545 | /* |
546 | * Print the transfer rate. | |
547 | */ | |
548 | static void mmc_test_print_rate(struct mmc_test_card *test, uint64_t bytes, | |
549 | struct timespec *ts1, struct timespec *ts2) | |
550 | { | |
b6056d12 | 551 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
552 | struct timespec ts; |
553 | ||
554 | ts = timespec_sub(*ts2, *ts1); | |
555 | ||
556 | rate = mmc_test_rate(bytes, &ts); | |
b6056d12 | 557 | iops = mmc_test_rate(100, &ts); /* I/O ops per sec x 100 */ |
64f7120d | 558 | |
a3c76eb9 | 559 | pr_info("%s: Transfer of %u sectors (%u%s KiB) took %lu.%09lu " |
b6056d12 | 560 | "seconds (%u kB/s, %u KiB/s, %u.%02u IOPS)\n", |
64f7120d | 561 | mmc_hostname(test->card->host), sectors, sectors >> 1, |
c27d37ae | 562 | (sectors & 1 ? ".5" : ""), (unsigned long)ts.tv_sec, |
b6056d12 AH |
563 | (unsigned long)ts.tv_nsec, rate / 1000, rate / 1024, |
564 | iops / 100, iops % 100); | |
3183aa15 | 565 | |
b6056d12 | 566 | mmc_test_save_transfer_result(test, 1, sectors, ts, rate, iops); |
64f7120d AH |
567 | } |
568 | ||
569 | /* | |
570 | * Print the average transfer rate. | |
571 | */ | |
572 | static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, | |
573 | unsigned int count, struct timespec *ts1, | |
574 | struct timespec *ts2) | |
575 | { | |
b6056d12 | 576 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
577 | uint64_t tot = bytes * count; |
578 | struct timespec ts; | |
579 | ||
580 | ts = timespec_sub(*ts2, *ts1); | |
581 | ||
582 | rate = mmc_test_rate(tot, &ts); | |
b6056d12 | 583 | iops = mmc_test_rate(count * 100, &ts); /* I/O ops per sec x 100 */ |
64f7120d | 584 | |
a3c76eb9 | 585 | pr_info("%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " |
b6056d12 | 586 | "%lu.%09lu seconds (%u kB/s, %u KiB/s, " |
bf043330 | 587 | "%u.%02u IOPS, sg_len %d)\n", |
64f7120d | 588 | mmc_hostname(test->card->host), count, sectors, count, |
c27d37ae | 589 | sectors >> 1, (sectors & 1 ? ".5" : ""), |
64f7120d | 590 | (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, |
bf043330 PF |
591 | rate / 1000, rate / 1024, iops / 100, iops % 100, |
592 | test->area.sg_len); | |
3183aa15 | 593 | |
b6056d12 | 594 | mmc_test_save_transfer_result(test, count, sectors, ts, rate, iops); |
64f7120d AH |
595 | } |
596 | ||
597 | /* | |
598 | * Return the card size in sectors. | |
599 | */ | |
600 | static unsigned int mmc_test_capacity(struct mmc_card *card) | |
601 | { | |
602 | if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) | |
603 | return card->ext_csd.sectors; | |
604 | else | |
605 | return card->csd.capacity << (card->csd.read_blkbits - 9); | |
606 | } | |
607 | ||
6b174931 PO |
608 | /*******************************************************************/ |
609 | /* Test preparation and cleanup */ | |
610 | /*******************************************************************/ | |
611 | ||
612 | /* | |
613 | * Fill the first couple of sectors of the card with known data | |
614 | * so that bad reads/writes can be detected | |
615 | */ | |
616 | static int __mmc_test_prepare(struct mmc_test_card *test, int write) | |
88ae600d PO |
617 | { |
618 | int ret, i; | |
619 | ||
620 | ret = mmc_test_set_blksize(test, 512); | |
621 | if (ret) | |
622 | return ret; | |
623 | ||
624 | if (write) | |
6b174931 | 625 | memset(test->buffer, 0xDF, 512); |
88ae600d | 626 | else { |
6b174931 | 627 | for (i = 0;i < 512;i++) |
88ae600d PO |
628 | test->buffer[i] = i; |
629 | } | |
630 | ||
631 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 632 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
88ae600d PO |
633 | if (ret) |
634 | return ret; | |
635 | } | |
636 | ||
637 | return 0; | |
638 | } | |
639 | ||
6b174931 PO |
640 | static int mmc_test_prepare_write(struct mmc_test_card *test) |
641 | { | |
642 | return __mmc_test_prepare(test, 1); | |
643 | } | |
644 | ||
645 | static int mmc_test_prepare_read(struct mmc_test_card *test) | |
646 | { | |
647 | return __mmc_test_prepare(test, 0); | |
648 | } | |
649 | ||
650 | static int mmc_test_cleanup(struct mmc_test_card *test) | |
651 | { | |
652 | int ret, i; | |
653 | ||
654 | ret = mmc_test_set_blksize(test, 512); | |
655 | if (ret) | |
656 | return ret; | |
657 | ||
658 | memset(test->buffer, 0, 512); | |
659 | ||
660 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 661 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
6b174931 PO |
662 | if (ret) |
663 | return ret; | |
664 | } | |
665 | ||
666 | return 0; | |
667 | } | |
668 | ||
669 | /*******************************************************************/ | |
670 | /* Test execution helpers */ | |
671 | /*******************************************************************/ | |
672 | ||
673 | /* | |
674 | * Modifies the mmc_request to perform the "short transfer" tests | |
675 | */ | |
676 | static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, | |
677 | struct mmc_request *mrq, int write) | |
678 | { | |
679 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
680 | ||
681 | if (mrq->data->blocks > 1) { | |
682 | mrq->cmd->opcode = write ? | |
683 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
684 | mrq->stop = NULL; | |
685 | } else { | |
686 | mrq->cmd->opcode = MMC_SEND_STATUS; | |
687 | mrq->cmd->arg = test->card->rca << 16; | |
688 | } | |
689 | } | |
690 | ||
691 | /* | |
692 | * Checks that a normal transfer didn't have any errors | |
693 | */ | |
694 | static int mmc_test_check_result(struct mmc_test_card *test, | |
9f9c4180 | 695 | struct mmc_request *mrq) |
88ae600d | 696 | { |
6b174931 PO |
697 | int ret; |
698 | ||
699 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
700 | ||
701 | ret = 0; | |
702 | ||
703 | if (!ret && mrq->cmd->error) | |
704 | ret = mrq->cmd->error; | |
705 | if (!ret && mrq->data->error) | |
706 | ret = mrq->data->error; | |
707 | if (!ret && mrq->stop && mrq->stop->error) | |
708 | ret = mrq->stop->error; | |
709 | if (!ret && mrq->data->bytes_xfered != | |
710 | mrq->data->blocks * mrq->data->blksz) | |
711 | ret = RESULT_FAIL; | |
712 | ||
713 | if (ret == -EINVAL) | |
714 | ret = RESULT_UNSUP_HOST; | |
715 | ||
716 | return ret; | |
88ae600d PO |
717 | } |
718 | ||
9f9c4180 PF |
719 | static int mmc_test_check_result_async(struct mmc_card *card, |
720 | struct mmc_async_req *areq) | |
721 | { | |
722 | struct mmc_test_async_req *test_async = | |
723 | container_of(areq, struct mmc_test_async_req, areq); | |
724 | ||
725 | mmc_test_wait_busy(test_async->test); | |
726 | ||
727 | return mmc_test_check_result(test_async->test, areq->mrq); | |
728 | } | |
729 | ||
6b174931 PO |
730 | /* |
731 | * Checks that a "short transfer" behaved as expected | |
732 | */ | |
733 | static int mmc_test_check_broken_result(struct mmc_test_card *test, | |
734 | struct mmc_request *mrq) | |
88ae600d | 735 | { |
6b174931 PO |
736 | int ret; |
737 | ||
738 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
739 | ||
740 | ret = 0; | |
741 | ||
742 | if (!ret && mrq->cmd->error) | |
743 | ret = mrq->cmd->error; | |
744 | if (!ret && mrq->data->error == 0) | |
745 | ret = RESULT_FAIL; | |
746 | if (!ret && mrq->data->error != -ETIMEDOUT) | |
747 | ret = mrq->data->error; | |
748 | if (!ret && mrq->stop && mrq->stop->error) | |
749 | ret = mrq->stop->error; | |
750 | if (mrq->data->blocks > 1) { | |
751 | if (!ret && mrq->data->bytes_xfered > mrq->data->blksz) | |
752 | ret = RESULT_FAIL; | |
753 | } else { | |
754 | if (!ret && mrq->data->bytes_xfered > 0) | |
755 | ret = RESULT_FAIL; | |
756 | } | |
757 | ||
758 | if (ret == -EINVAL) | |
759 | ret = RESULT_UNSUP_HOST; | |
760 | ||
761 | return ret; | |
88ae600d PO |
762 | } |
763 | ||
9f9c4180 PF |
764 | /* |
765 | * Tests nonblock transfer with certain parameters | |
766 | */ | |
767 | static void mmc_test_nonblock_reset(struct mmc_request *mrq, | |
768 | struct mmc_command *cmd, | |
769 | struct mmc_command *stop, | |
770 | struct mmc_data *data) | |
771 | { | |
772 | memset(mrq, 0, sizeof(struct mmc_request)); | |
773 | memset(cmd, 0, sizeof(struct mmc_command)); | |
774 | memset(data, 0, sizeof(struct mmc_data)); | |
775 | memset(stop, 0, sizeof(struct mmc_command)); | |
776 | ||
777 | mrq->cmd = cmd; | |
778 | mrq->data = data; | |
779 | mrq->stop = stop; | |
780 | } | |
781 | static int mmc_test_nonblock_transfer(struct mmc_test_card *test, | |
782 | struct scatterlist *sg, unsigned sg_len, | |
783 | unsigned dev_addr, unsigned blocks, | |
784 | unsigned blksz, int write, int count) | |
785 | { | |
786 | struct mmc_request mrq1; | |
787 | struct mmc_command cmd1; | |
788 | struct mmc_command stop1; | |
789 | struct mmc_data data1; | |
790 | ||
791 | struct mmc_request mrq2; | |
792 | struct mmc_command cmd2; | |
793 | struct mmc_command stop2; | |
794 | struct mmc_data data2; | |
795 | ||
796 | struct mmc_test_async_req test_areq[2]; | |
797 | struct mmc_async_req *done_areq; | |
798 | struct mmc_async_req *cur_areq = &test_areq[0].areq; | |
799 | struct mmc_async_req *other_areq = &test_areq[1].areq; | |
800 | int i; | |
801 | int ret; | |
802 | ||
803 | test_areq[0].test = test; | |
804 | test_areq[1].test = test; | |
805 | ||
806 | mmc_test_nonblock_reset(&mrq1, &cmd1, &stop1, &data1); | |
807 | mmc_test_nonblock_reset(&mrq2, &cmd2, &stop2, &data2); | |
808 | ||
809 | cur_areq->mrq = &mrq1; | |
810 | cur_areq->err_check = mmc_test_check_result_async; | |
811 | other_areq->mrq = &mrq2; | |
812 | other_areq->err_check = mmc_test_check_result_async; | |
813 | ||
814 | for (i = 0; i < count; i++) { | |
815 | mmc_test_prepare_mrq(test, cur_areq->mrq, sg, sg_len, dev_addr, | |
816 | blocks, blksz, write); | |
817 | done_areq = mmc_start_req(test->card->host, cur_areq, &ret); | |
818 | ||
819 | if (ret || (!done_areq && i > 0)) | |
820 | goto err; | |
821 | ||
822 | if (done_areq) { | |
823 | if (done_areq->mrq == &mrq2) | |
824 | mmc_test_nonblock_reset(&mrq2, &cmd2, | |
825 | &stop2, &data2); | |
826 | else | |
827 | mmc_test_nonblock_reset(&mrq1, &cmd1, | |
828 | &stop1, &data1); | |
829 | } | |
830 | done_areq = cur_areq; | |
831 | cur_areq = other_areq; | |
832 | other_areq = done_areq; | |
833 | dev_addr += blocks; | |
834 | } | |
835 | ||
836 | done_areq = mmc_start_req(test->card->host, NULL, &ret); | |
837 | ||
838 | return ret; | |
839 | err: | |
840 | return ret; | |
841 | } | |
842 | ||
6b174931 PO |
843 | /* |
844 | * Tests a basic transfer with certain parameters | |
845 | */ | |
846 | static int mmc_test_simple_transfer(struct mmc_test_card *test, | |
847 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
848 | unsigned blocks, unsigned blksz, int write) | |
88ae600d | 849 | { |
24f5b53b | 850 | struct mmc_request mrq = {0}; |
1278dba1 CB |
851 | struct mmc_command cmd = {0}; |
852 | struct mmc_command stop = {0}; | |
a61ad2b4 | 853 | struct mmc_data data = {0}; |
88ae600d | 854 | |
6b174931 PO |
855 | mrq.cmd = &cmd; |
856 | mrq.data = &data; | |
857 | mrq.stop = &stop; | |
858 | ||
859 | mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr, | |
860 | blocks, blksz, write); | |
861 | ||
862 | mmc_wait_for_req(test->card->host, &mrq); | |
88ae600d | 863 | |
6b174931 PO |
864 | mmc_test_wait_busy(test); |
865 | ||
866 | return mmc_test_check_result(test, &mrq); | |
867 | } | |
868 | ||
869 | /* | |
870 | * Tests a transfer where the card will fail completely or partly | |
871 | */ | |
872 | static int mmc_test_broken_transfer(struct mmc_test_card *test, | |
873 | unsigned blocks, unsigned blksz, int write) | |
874 | { | |
24f5b53b | 875 | struct mmc_request mrq = {0}; |
1278dba1 CB |
876 | struct mmc_command cmd = {0}; |
877 | struct mmc_command stop = {0}; | |
a61ad2b4 | 878 | struct mmc_data data = {0}; |
6b174931 PO |
879 | |
880 | struct scatterlist sg; | |
881 | ||
6b174931 PO |
882 | mrq.cmd = &cmd; |
883 | mrq.data = &data; | |
884 | mrq.stop = &stop; | |
885 | ||
886 | sg_init_one(&sg, test->buffer, blocks * blksz); | |
887 | ||
888 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write); | |
889 | mmc_test_prepare_broken_mrq(test, &mrq, write); | |
890 | ||
891 | mmc_wait_for_req(test->card->host, &mrq); | |
892 | ||
893 | mmc_test_wait_busy(test); | |
894 | ||
895 | return mmc_test_check_broken_result(test, &mrq); | |
896 | } | |
897 | ||
898 | /* | |
899 | * Does a complete transfer test where data is also validated | |
900 | * | |
901 | * Note: mmc_test_prepare() must have been done before this call | |
902 | */ | |
903 | static int mmc_test_transfer(struct mmc_test_card *test, | |
904 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
905 | unsigned blocks, unsigned blksz, int write) | |
906 | { | |
907 | int ret, i; | |
908 | unsigned long flags; | |
88ae600d PO |
909 | |
910 | if (write) { | |
911 | for (i = 0;i < blocks * blksz;i++) | |
6b174931 PO |
912 | test->scratch[i] = i; |
913 | } else { | |
b7ac2cf1 | 914 | memset(test->scratch, 0, BUFFER_SIZE); |
88ae600d | 915 | } |
6b174931 | 916 | local_irq_save(flags); |
b7ac2cf1 | 917 | sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 918 | local_irq_restore(flags); |
88ae600d PO |
919 | |
920 | ret = mmc_test_set_blksize(test, blksz); | |
921 | if (ret) | |
922 | return ret; | |
923 | ||
6b174931 PO |
924 | ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr, |
925 | blocks, blksz, write); | |
88ae600d PO |
926 | if (ret) |
927 | return ret; | |
928 | ||
929 | if (write) { | |
6b174931 PO |
930 | int sectors; |
931 | ||
88ae600d PO |
932 | ret = mmc_test_set_blksize(test, 512); |
933 | if (ret) | |
934 | return ret; | |
935 | ||
936 | sectors = (blocks * blksz + 511) / 512; | |
937 | if ((sectors * 512) == (blocks * blksz)) | |
938 | sectors++; | |
939 | ||
940 | if ((sectors * 512) > BUFFER_SIZE) | |
941 | return -EINVAL; | |
942 | ||
943 | memset(test->buffer, 0, sectors * 512); | |
944 | ||
945 | for (i = 0;i < sectors;i++) { | |
6b174931 | 946 | ret = mmc_test_buffer_transfer(test, |
88ae600d | 947 | test->buffer + i * 512, |
c286d03c | 948 | dev_addr + i, 512, 0); |
88ae600d PO |
949 | if (ret) |
950 | return ret; | |
951 | } | |
952 | ||
953 | for (i = 0;i < blocks * blksz;i++) { | |
954 | if (test->buffer[i] != (u8)i) | |
955 | return RESULT_FAIL; | |
956 | } | |
957 | ||
958 | for (;i < sectors * 512;i++) { | |
959 | if (test->buffer[i] != 0xDF) | |
960 | return RESULT_FAIL; | |
961 | } | |
962 | } else { | |
6b174931 | 963 | local_irq_save(flags); |
b7ac2cf1 | 964 | sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 965 | local_irq_restore(flags); |
88ae600d | 966 | for (i = 0;i < blocks * blksz;i++) { |
6b174931 | 967 | if (test->scratch[i] != (u8)i) |
88ae600d PO |
968 | return RESULT_FAIL; |
969 | } | |
970 | } | |
971 | ||
972 | return 0; | |
973 | } | |
974 | ||
88ae600d PO |
975 | /*******************************************************************/ |
976 | /* Tests */ | |
977 | /*******************************************************************/ | |
978 | ||
979 | struct mmc_test_case { | |
980 | const char *name; | |
981 | ||
982 | int (*prepare)(struct mmc_test_card *); | |
983 | int (*run)(struct mmc_test_card *); | |
984 | int (*cleanup)(struct mmc_test_card *); | |
985 | }; | |
986 | ||
987 | static int mmc_test_basic_write(struct mmc_test_card *test) | |
988 | { | |
989 | int ret; | |
6b174931 | 990 | struct scatterlist sg; |
88ae600d PO |
991 | |
992 | ret = mmc_test_set_blksize(test, 512); | |
993 | if (ret) | |
994 | return ret; | |
995 | ||
6b174931 PO |
996 | sg_init_one(&sg, test->buffer, 512); |
997 | ||
998 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
999 | if (ret) |
1000 | return ret; | |
1001 | ||
1002 | return 0; | |
1003 | } | |
1004 | ||
1005 | static int mmc_test_basic_read(struct mmc_test_card *test) | |
1006 | { | |
1007 | int ret; | |
6b174931 | 1008 | struct scatterlist sg; |
88ae600d PO |
1009 | |
1010 | ret = mmc_test_set_blksize(test, 512); | |
1011 | if (ret) | |
1012 | return ret; | |
1013 | ||
6b174931 PO |
1014 | sg_init_one(&sg, test->buffer, 512); |
1015 | ||
58a5dd3e | 1016 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
1017 | if (ret) |
1018 | return ret; | |
1019 | ||
1020 | return 0; | |
1021 | } | |
1022 | ||
1023 | static int mmc_test_verify_write(struct mmc_test_card *test) | |
1024 | { | |
1025 | int ret; | |
6b174931 PO |
1026 | struct scatterlist sg; |
1027 | ||
1028 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 1029 | |
6b174931 | 1030 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
88ae600d PO |
1031 | if (ret) |
1032 | return ret; | |
1033 | ||
1034 | return 0; | |
1035 | } | |
1036 | ||
1037 | static int mmc_test_verify_read(struct mmc_test_card *test) | |
1038 | { | |
1039 | int ret; | |
6b174931 PO |
1040 | struct scatterlist sg; |
1041 | ||
1042 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 1043 | |
6b174931 | 1044 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
1045 | if (ret) |
1046 | return ret; | |
1047 | ||
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | static int mmc_test_multi_write(struct mmc_test_card *test) | |
1052 | { | |
1053 | int ret; | |
1054 | unsigned int size; | |
6b174931 | 1055 | struct scatterlist sg; |
88ae600d PO |
1056 | |
1057 | if (test->card->host->max_blk_count == 1) | |
1058 | return RESULT_UNSUP_HOST; | |
1059 | ||
1060 | size = PAGE_SIZE * 2; | |
1061 | size = min(size, test->card->host->max_req_size); | |
1062 | size = min(size, test->card->host->max_seg_size); | |
1063 | size = min(size, test->card->host->max_blk_count * 512); | |
1064 | ||
1065 | if (size < 1024) | |
1066 | return RESULT_UNSUP_HOST; | |
1067 | ||
6b174931 PO |
1068 | sg_init_one(&sg, test->buffer, size); |
1069 | ||
1070 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1071 | if (ret) |
1072 | return ret; | |
1073 | ||
1074 | return 0; | |
1075 | } | |
1076 | ||
1077 | static int mmc_test_multi_read(struct mmc_test_card *test) | |
1078 | { | |
1079 | int ret; | |
1080 | unsigned int size; | |
6b174931 | 1081 | struct scatterlist sg; |
88ae600d PO |
1082 | |
1083 | if (test->card->host->max_blk_count == 1) | |
1084 | return RESULT_UNSUP_HOST; | |
1085 | ||
1086 | size = PAGE_SIZE * 2; | |
1087 | size = min(size, test->card->host->max_req_size); | |
1088 | size = min(size, test->card->host->max_seg_size); | |
1089 | size = min(size, test->card->host->max_blk_count * 512); | |
1090 | ||
1091 | if (size < 1024) | |
1092 | return RESULT_UNSUP_HOST; | |
1093 | ||
6b174931 PO |
1094 | sg_init_one(&sg, test->buffer, size); |
1095 | ||
1096 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1097 | if (ret) |
1098 | return ret; | |
1099 | ||
1100 | return 0; | |
1101 | } | |
1102 | ||
1103 | static int mmc_test_pow2_write(struct mmc_test_card *test) | |
1104 | { | |
1105 | int ret, i; | |
6b174931 | 1106 | struct scatterlist sg; |
88ae600d PO |
1107 | |
1108 | if (!test->card->csd.write_partial) | |
1109 | return RESULT_UNSUP_CARD; | |
1110 | ||
1111 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1112 | sg_init_one(&sg, test->buffer, i); |
1113 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1114 | if (ret) |
1115 | return ret; | |
1116 | } | |
1117 | ||
1118 | return 0; | |
1119 | } | |
1120 | ||
1121 | static int mmc_test_pow2_read(struct mmc_test_card *test) | |
1122 | { | |
1123 | int ret, i; | |
6b174931 | 1124 | struct scatterlist sg; |
88ae600d PO |
1125 | |
1126 | if (!test->card->csd.read_partial) | |
1127 | return RESULT_UNSUP_CARD; | |
1128 | ||
1129 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1130 | sg_init_one(&sg, test->buffer, i); |
1131 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1132 | if (ret) |
1133 | return ret; | |
1134 | } | |
1135 | ||
1136 | return 0; | |
1137 | } | |
1138 | ||
1139 | static int mmc_test_weird_write(struct mmc_test_card *test) | |
1140 | { | |
1141 | int ret, i; | |
6b174931 | 1142 | struct scatterlist sg; |
88ae600d PO |
1143 | |
1144 | if (!test->card->csd.write_partial) | |
1145 | return RESULT_UNSUP_CARD; | |
1146 | ||
1147 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1148 | sg_init_one(&sg, test->buffer, i); |
1149 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1150 | if (ret) |
1151 | return ret; | |
1152 | } | |
1153 | ||
1154 | return 0; | |
1155 | } | |
1156 | ||
1157 | static int mmc_test_weird_read(struct mmc_test_card *test) | |
1158 | { | |
1159 | int ret, i; | |
6b174931 | 1160 | struct scatterlist sg; |
88ae600d PO |
1161 | |
1162 | if (!test->card->csd.read_partial) | |
1163 | return RESULT_UNSUP_CARD; | |
1164 | ||
1165 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1166 | sg_init_one(&sg, test->buffer, i); |
1167 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1168 | if (ret) |
1169 | return ret; | |
1170 | } | |
1171 | ||
1172 | return 0; | |
1173 | } | |
1174 | ||
1175 | static int mmc_test_align_write(struct mmc_test_card *test) | |
1176 | { | |
1177 | int ret, i; | |
6b174931 | 1178 | struct scatterlist sg; |
88ae600d | 1179 | |
3ee14bf7 | 1180 | for (i = 1; i < TEST_ALIGN_END; i++) { |
6b174931 PO |
1181 | sg_init_one(&sg, test->buffer + i, 512); |
1182 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
1183 | if (ret) |
1184 | return ret; | |
1185 | } | |
1186 | ||
1187 | return 0; | |
1188 | } | |
1189 | ||
1190 | static int mmc_test_align_read(struct mmc_test_card *test) | |
1191 | { | |
1192 | int ret, i; | |
6b174931 | 1193 | struct scatterlist sg; |
88ae600d | 1194 | |
3ee14bf7 | 1195 | for (i = 1; i < TEST_ALIGN_END; i++) { |
6b174931 PO |
1196 | sg_init_one(&sg, test->buffer + i, 512); |
1197 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
88ae600d PO |
1198 | if (ret) |
1199 | return ret; | |
1200 | } | |
1201 | ||
1202 | return 0; | |
1203 | } | |
1204 | ||
1205 | static int mmc_test_align_multi_write(struct mmc_test_card *test) | |
1206 | { | |
1207 | int ret, i; | |
1208 | unsigned int size; | |
6b174931 | 1209 | struct scatterlist sg; |
88ae600d PO |
1210 | |
1211 | if (test->card->host->max_blk_count == 1) | |
1212 | return RESULT_UNSUP_HOST; | |
1213 | ||
1214 | size = PAGE_SIZE * 2; | |
1215 | size = min(size, test->card->host->max_req_size); | |
1216 | size = min(size, test->card->host->max_seg_size); | |
1217 | size = min(size, test->card->host->max_blk_count * 512); | |
1218 | ||
1219 | if (size < 1024) | |
1220 | return RESULT_UNSUP_HOST; | |
1221 | ||
3ee14bf7 | 1222 | for (i = 1; i < TEST_ALIGN_END; i++) { |
6b174931 PO |
1223 | sg_init_one(&sg, test->buffer + i, size); |
1224 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1225 | if (ret) |
1226 | return ret; | |
1227 | } | |
1228 | ||
1229 | return 0; | |
1230 | } | |
1231 | ||
1232 | static int mmc_test_align_multi_read(struct mmc_test_card *test) | |
1233 | { | |
1234 | int ret, i; | |
1235 | unsigned int size; | |
6b174931 | 1236 | struct scatterlist sg; |
88ae600d PO |
1237 | |
1238 | if (test->card->host->max_blk_count == 1) | |
1239 | return RESULT_UNSUP_HOST; | |
1240 | ||
1241 | size = PAGE_SIZE * 2; | |
1242 | size = min(size, test->card->host->max_req_size); | |
1243 | size = min(size, test->card->host->max_seg_size); | |
1244 | size = min(size, test->card->host->max_blk_count * 512); | |
1245 | ||
1246 | if (size < 1024) | |
1247 | return RESULT_UNSUP_HOST; | |
1248 | ||
3ee14bf7 | 1249 | for (i = 1; i < TEST_ALIGN_END; i++) { |
6b174931 PO |
1250 | sg_init_one(&sg, test->buffer + i, size); |
1251 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1252 | if (ret) |
1253 | return ret; | |
1254 | } | |
1255 | ||
1256 | return 0; | |
1257 | } | |
1258 | ||
1259 | static int mmc_test_xfersize_write(struct mmc_test_card *test) | |
1260 | { | |
1261 | int ret; | |
1262 | ||
1263 | ret = mmc_test_set_blksize(test, 512); | |
1264 | if (ret) | |
1265 | return ret; | |
1266 | ||
6b174931 | 1267 | ret = mmc_test_broken_transfer(test, 1, 512, 1); |
88ae600d PO |
1268 | if (ret) |
1269 | return ret; | |
1270 | ||
1271 | return 0; | |
1272 | } | |
1273 | ||
1274 | static int mmc_test_xfersize_read(struct mmc_test_card *test) | |
1275 | { | |
1276 | int ret; | |
1277 | ||
1278 | ret = mmc_test_set_blksize(test, 512); | |
1279 | if (ret) | |
1280 | return ret; | |
1281 | ||
6b174931 | 1282 | ret = mmc_test_broken_transfer(test, 1, 512, 0); |
88ae600d PO |
1283 | if (ret) |
1284 | return ret; | |
1285 | ||
1286 | return 0; | |
1287 | } | |
1288 | ||
1289 | static int mmc_test_multi_xfersize_write(struct mmc_test_card *test) | |
1290 | { | |
1291 | int ret; | |
1292 | ||
1293 | if (test->card->host->max_blk_count == 1) | |
1294 | return RESULT_UNSUP_HOST; | |
1295 | ||
1296 | ret = mmc_test_set_blksize(test, 512); | |
1297 | if (ret) | |
1298 | return ret; | |
1299 | ||
6b174931 | 1300 | ret = mmc_test_broken_transfer(test, 2, 512, 1); |
88ae600d PO |
1301 | if (ret) |
1302 | return ret; | |
1303 | ||
1304 | return 0; | |
1305 | } | |
1306 | ||
1307 | static int mmc_test_multi_xfersize_read(struct mmc_test_card *test) | |
1308 | { | |
1309 | int ret; | |
1310 | ||
1311 | if (test->card->host->max_blk_count == 1) | |
1312 | return RESULT_UNSUP_HOST; | |
1313 | ||
1314 | ret = mmc_test_set_blksize(test, 512); | |
1315 | if (ret) | |
1316 | return ret; | |
1317 | ||
6b174931 | 1318 | ret = mmc_test_broken_transfer(test, 2, 512, 0); |
88ae600d PO |
1319 | if (ret) |
1320 | return ret; | |
1321 | ||
1322 | return 0; | |
1323 | } | |
1324 | ||
2661081f PO |
1325 | #ifdef CONFIG_HIGHMEM |
1326 | ||
1327 | static int mmc_test_write_high(struct mmc_test_card *test) | |
1328 | { | |
1329 | int ret; | |
1330 | struct scatterlist sg; | |
1331 | ||
1332 | sg_init_table(&sg, 1); | |
1333 | sg_set_page(&sg, test->highmem, 512, 0); | |
1334 | ||
1335 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
1336 | if (ret) | |
1337 | return ret; | |
1338 | ||
1339 | return 0; | |
1340 | } | |
1341 | ||
1342 | static int mmc_test_read_high(struct mmc_test_card *test) | |
1343 | { | |
1344 | int ret; | |
1345 | struct scatterlist sg; | |
1346 | ||
1347 | sg_init_table(&sg, 1); | |
1348 | sg_set_page(&sg, test->highmem, 512, 0); | |
1349 | ||
1350 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
1351 | if (ret) | |
1352 | return ret; | |
1353 | ||
1354 | return 0; | |
1355 | } | |
1356 | ||
1357 | static int mmc_test_multi_write_high(struct mmc_test_card *test) | |
1358 | { | |
1359 | int ret; | |
1360 | unsigned int size; | |
1361 | struct scatterlist sg; | |
1362 | ||
1363 | if (test->card->host->max_blk_count == 1) | |
1364 | return RESULT_UNSUP_HOST; | |
1365 | ||
1366 | size = PAGE_SIZE * 2; | |
1367 | size = min(size, test->card->host->max_req_size); | |
1368 | size = min(size, test->card->host->max_seg_size); | |
1369 | size = min(size, test->card->host->max_blk_count * 512); | |
1370 | ||
1371 | if (size < 1024) | |
1372 | return RESULT_UNSUP_HOST; | |
1373 | ||
1374 | sg_init_table(&sg, 1); | |
1375 | sg_set_page(&sg, test->highmem, size, 0); | |
1376 | ||
1377 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
1378 | if (ret) | |
1379 | return ret; | |
1380 | ||
1381 | return 0; | |
1382 | } | |
1383 | ||
1384 | static int mmc_test_multi_read_high(struct mmc_test_card *test) | |
1385 | { | |
1386 | int ret; | |
1387 | unsigned int size; | |
1388 | struct scatterlist sg; | |
1389 | ||
1390 | if (test->card->host->max_blk_count == 1) | |
1391 | return RESULT_UNSUP_HOST; | |
1392 | ||
1393 | size = PAGE_SIZE * 2; | |
1394 | size = min(size, test->card->host->max_req_size); | |
1395 | size = min(size, test->card->host->max_seg_size); | |
1396 | size = min(size, test->card->host->max_blk_count * 512); | |
1397 | ||
1398 | if (size < 1024) | |
1399 | return RESULT_UNSUP_HOST; | |
1400 | ||
1401 | sg_init_table(&sg, 1); | |
1402 | sg_set_page(&sg, test->highmem, size, 0); | |
1403 | ||
1404 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
1405 | if (ret) | |
1406 | return ret; | |
1407 | ||
1408 | return 0; | |
1409 | } | |
1410 | ||
64f7120d AH |
1411 | #else |
1412 | ||
1413 | static int mmc_test_no_highmem(struct mmc_test_card *test) | |
1414 | { | |
a3c76eb9 | 1415 | pr_info("%s: Highmem not configured - test skipped\n", |
64f7120d AH |
1416 | mmc_hostname(test->card->host)); |
1417 | return 0; | |
1418 | } | |
1419 | ||
2661081f PO |
1420 | #endif /* CONFIG_HIGHMEM */ |
1421 | ||
64f7120d AH |
1422 | /* |
1423 | * Map sz bytes so that it can be transferred. | |
1424 | */ | |
fec4dcce | 1425 | static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, |
bf043330 | 1426 | int max_scatter, int min_sg_len) |
64f7120d AH |
1427 | { |
1428 | struct mmc_test_area *t = &test->area; | |
c8c8c1bd | 1429 | int err; |
64f7120d AH |
1430 | |
1431 | t->blocks = sz >> 9; | |
1432 | ||
1433 | if (max_scatter) { | |
c8c8c1bd AH |
1434 | err = mmc_test_map_sg_max_scatter(t->mem, sz, t->sg, |
1435 | t->max_segs, t->max_seg_sz, | |
64f7120d | 1436 | &t->sg_len); |
c8c8c1bd AH |
1437 | } else { |
1438 | err = mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, | |
bf043330 | 1439 | t->max_seg_sz, &t->sg_len, min_sg_len); |
64f7120d | 1440 | } |
c8c8c1bd | 1441 | if (err) |
a3c76eb9 | 1442 | pr_info("%s: Failed to map sg list\n", |
c8c8c1bd AH |
1443 | mmc_hostname(test->card->host)); |
1444 | return err; | |
64f7120d AH |
1445 | } |
1446 | ||
1447 | /* | |
1448 | * Transfer bytes mapped by mmc_test_area_map(). | |
1449 | */ | |
1450 | static int mmc_test_area_transfer(struct mmc_test_card *test, | |
1451 | unsigned int dev_addr, int write) | |
1452 | { | |
1453 | struct mmc_test_area *t = &test->area; | |
1454 | ||
1455 | return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr, | |
1456 | t->blocks, 512, write); | |
1457 | } | |
1458 | ||
1459 | /* | |
9f9c4180 | 1460 | * Map and transfer bytes for multiple transfers. |
64f7120d | 1461 | */ |
9f9c4180 PF |
1462 | static int mmc_test_area_io_seq(struct mmc_test_card *test, unsigned long sz, |
1463 | unsigned int dev_addr, int write, | |
1464 | int max_scatter, int timed, int count, | |
bf043330 | 1465 | bool nonblock, int min_sg_len) |
64f7120d AH |
1466 | { |
1467 | struct timespec ts1, ts2; | |
9f9c4180 PF |
1468 | int ret = 0; |
1469 | int i; | |
1470 | struct mmc_test_area *t = &test->area; | |
64f7120d | 1471 | |
c8c8c1bd AH |
1472 | /* |
1473 | * In the case of a maximally scattered transfer, the maximum transfer | |
1474 | * size is further limited by using PAGE_SIZE segments. | |
1475 | */ | |
1476 | if (max_scatter) { | |
1477 | struct mmc_test_area *t = &test->area; | |
1478 | unsigned long max_tfr; | |
1479 | ||
1480 | if (t->max_seg_sz >= PAGE_SIZE) | |
1481 | max_tfr = t->max_segs * PAGE_SIZE; | |
1482 | else | |
1483 | max_tfr = t->max_segs * t->max_seg_sz; | |
1484 | if (sz > max_tfr) | |
1485 | sz = max_tfr; | |
1486 | } | |
1487 | ||
bf043330 | 1488 | ret = mmc_test_area_map(test, sz, max_scatter, min_sg_len); |
64f7120d AH |
1489 | if (ret) |
1490 | return ret; | |
1491 | ||
1492 | if (timed) | |
1493 | getnstimeofday(&ts1); | |
9f9c4180 PF |
1494 | if (nonblock) |
1495 | ret = mmc_test_nonblock_transfer(test, t->sg, t->sg_len, | |
1496 | dev_addr, t->blocks, 512, write, count); | |
1497 | else | |
1498 | for (i = 0; i < count && ret == 0; i++) { | |
1499 | ret = mmc_test_area_transfer(test, dev_addr, write); | |
1500 | dev_addr += sz >> 9; | |
1501 | } | |
64f7120d | 1502 | |
64f7120d AH |
1503 | if (ret) |
1504 | return ret; | |
1505 | ||
1506 | if (timed) | |
1507 | getnstimeofday(&ts2); | |
1508 | ||
1509 | if (timed) | |
9f9c4180 | 1510 | mmc_test_print_avg_rate(test, sz, count, &ts1, &ts2); |
64f7120d AH |
1511 | |
1512 | return 0; | |
1513 | } | |
1514 | ||
9f9c4180 PF |
1515 | static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, |
1516 | unsigned int dev_addr, int write, int max_scatter, | |
1517 | int timed) | |
1518 | { | |
1519 | return mmc_test_area_io_seq(test, sz, dev_addr, write, max_scatter, | |
bf043330 | 1520 | timed, 1, false, 0); |
9f9c4180 PF |
1521 | } |
1522 | ||
64f7120d AH |
1523 | /* |
1524 | * Write the test area entirely. | |
1525 | */ | |
1526 | static int mmc_test_area_fill(struct mmc_test_card *test) | |
1527 | { | |
253d6a28 AS |
1528 | struct mmc_test_area *t = &test->area; |
1529 | ||
1530 | return mmc_test_area_io(test, t->max_tfr, t->dev_addr, 1, 0, 0); | |
64f7120d AH |
1531 | } |
1532 | ||
1533 | /* | |
1534 | * Erase the test area entirely. | |
1535 | */ | |
1536 | static int mmc_test_area_erase(struct mmc_test_card *test) | |
1537 | { | |
1538 | struct mmc_test_area *t = &test->area; | |
1539 | ||
1540 | if (!mmc_can_erase(test->card)) | |
1541 | return 0; | |
1542 | ||
253d6a28 | 1543 | return mmc_erase(test->card, t->dev_addr, t->max_sz >> 9, |
64f7120d AH |
1544 | MMC_ERASE_ARG); |
1545 | } | |
1546 | ||
1547 | /* | |
1548 | * Cleanup struct mmc_test_area. | |
1549 | */ | |
1550 | static int mmc_test_area_cleanup(struct mmc_test_card *test) | |
1551 | { | |
1552 | struct mmc_test_area *t = &test->area; | |
1553 | ||
1554 | kfree(t->sg); | |
1555 | mmc_test_free_mem(t->mem); | |
1556 | ||
1557 | return 0; | |
1558 | } | |
1559 | ||
1560 | /* | |
0532ff63 AH |
1561 | * Initialize an area for testing large transfers. The test area is set to the |
1562 | * middle of the card because cards may have different charateristics at the | |
1563 | * front (for FAT file system optimization). Optionally, the area is erased | |
1564 | * (if the card supports it) which may improve write performance. Optionally, | |
1565 | * the area is filled with data for subsequent read tests. | |
64f7120d AH |
1566 | */ |
1567 | static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill) | |
1568 | { | |
1569 | struct mmc_test_area *t = &test->area; | |
0532ff63 | 1570 | unsigned long min_sz = 64 * 1024, sz; |
64f7120d AH |
1571 | int ret; |
1572 | ||
1573 | ret = mmc_test_set_blksize(test, 512); | |
1574 | if (ret) | |
1575 | return ret; | |
1576 | ||
0532ff63 AH |
1577 | /* Make the test area size about 4MiB */ |
1578 | sz = (unsigned long)test->card->pref_erase << 9; | |
1579 | t->max_sz = sz; | |
1580 | while (t->max_sz < 4 * 1024 * 1024) | |
1581 | t->max_sz += sz; | |
1582 | while (t->max_sz > TEST_AREA_MAX_SIZE && t->max_sz > sz) | |
1583 | t->max_sz -= sz; | |
c8c8c1bd AH |
1584 | |
1585 | t->max_segs = test->card->host->max_segs; | |
1586 | t->max_seg_sz = test->card->host->max_seg_size; | |
739c69c9 | 1587 | t->max_seg_sz -= t->max_seg_sz % 512; |
c8c8c1bd AH |
1588 | |
1589 | t->max_tfr = t->max_sz; | |
1590 | if (t->max_tfr >> 9 > test->card->host->max_blk_count) | |
1591 | t->max_tfr = test->card->host->max_blk_count << 9; | |
1592 | if (t->max_tfr > test->card->host->max_req_size) | |
1593 | t->max_tfr = test->card->host->max_req_size; | |
1594 | if (t->max_tfr / t->max_seg_sz > t->max_segs) | |
1595 | t->max_tfr = t->max_segs * t->max_seg_sz; | |
1596 | ||
64f7120d | 1597 | /* |
3d203be8 | 1598 | * Try to allocate enough memory for a max. sized transfer. Less is OK |
64f7120d | 1599 | * because the same memory can be mapped into the scatterlist more than |
c8c8c1bd AH |
1600 | * once. Also, take into account the limits imposed on scatterlist |
1601 | * segments by the host driver. | |
64f7120d | 1602 | */ |
3d203be8 | 1603 | t->mem = mmc_test_alloc_mem(min_sz, t->max_tfr, t->max_segs, |
c8c8c1bd | 1604 | t->max_seg_sz); |
64f7120d AH |
1605 | if (!t->mem) |
1606 | return -ENOMEM; | |
1607 | ||
64f7120d AH |
1608 | t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL); |
1609 | if (!t->sg) { | |
1610 | ret = -ENOMEM; | |
1611 | goto out_free; | |
1612 | } | |
1613 | ||
1614 | t->dev_addr = mmc_test_capacity(test->card) / 2; | |
1615 | t->dev_addr -= t->dev_addr % (t->max_sz >> 9); | |
1616 | ||
1617 | if (erase) { | |
1618 | ret = mmc_test_area_erase(test); | |
1619 | if (ret) | |
1620 | goto out_free; | |
1621 | } | |
1622 | ||
1623 | if (fill) { | |
1624 | ret = mmc_test_area_fill(test); | |
1625 | if (ret) | |
1626 | goto out_free; | |
1627 | } | |
1628 | ||
1629 | return 0; | |
1630 | ||
1631 | out_free: | |
1632 | mmc_test_area_cleanup(test); | |
1633 | return ret; | |
1634 | } | |
1635 | ||
1636 | /* | |
1637 | * Prepare for large transfers. Do not erase the test area. | |
1638 | */ | |
1639 | static int mmc_test_area_prepare(struct mmc_test_card *test) | |
1640 | { | |
1641 | return mmc_test_area_init(test, 0, 0); | |
1642 | } | |
1643 | ||
1644 | /* | |
1645 | * Prepare for large transfers. Do erase the test area. | |
1646 | */ | |
1647 | static int mmc_test_area_prepare_erase(struct mmc_test_card *test) | |
1648 | { | |
1649 | return mmc_test_area_init(test, 1, 0); | |
1650 | } | |
1651 | ||
1652 | /* | |
1653 | * Prepare for large transfers. Erase and fill the test area. | |
1654 | */ | |
1655 | static int mmc_test_area_prepare_fill(struct mmc_test_card *test) | |
1656 | { | |
1657 | return mmc_test_area_init(test, 1, 1); | |
1658 | } | |
1659 | ||
1660 | /* | |
1661 | * Test best-case performance. Best-case performance is expected from | |
1662 | * a single large transfer. | |
1663 | * | |
1664 | * An additional option (max_scatter) allows the measurement of the same | |
1665 | * transfer but with no contiguous pages in the scatter list. This tests | |
1666 | * the efficiency of DMA to handle scattered pages. | |
1667 | */ | |
1668 | static int mmc_test_best_performance(struct mmc_test_card *test, int write, | |
1669 | int max_scatter) | |
1670 | { | |
253d6a28 AS |
1671 | struct mmc_test_area *t = &test->area; |
1672 | ||
1673 | return mmc_test_area_io(test, t->max_tfr, t->dev_addr, write, | |
1674 | max_scatter, 1); | |
64f7120d AH |
1675 | } |
1676 | ||
1677 | /* | |
1678 | * Best-case read performance. | |
1679 | */ | |
1680 | static int mmc_test_best_read_performance(struct mmc_test_card *test) | |
1681 | { | |
1682 | return mmc_test_best_performance(test, 0, 0); | |
1683 | } | |
1684 | ||
1685 | /* | |
1686 | * Best-case write performance. | |
1687 | */ | |
1688 | static int mmc_test_best_write_performance(struct mmc_test_card *test) | |
1689 | { | |
1690 | return mmc_test_best_performance(test, 1, 0); | |
1691 | } | |
1692 | ||
1693 | /* | |
1694 | * Best-case read performance into scattered pages. | |
1695 | */ | |
1696 | static int mmc_test_best_read_perf_max_scatter(struct mmc_test_card *test) | |
1697 | { | |
1698 | return mmc_test_best_performance(test, 0, 1); | |
1699 | } | |
1700 | ||
1701 | /* | |
1702 | * Best-case write performance from scattered pages. | |
1703 | */ | |
1704 | static int mmc_test_best_write_perf_max_scatter(struct mmc_test_card *test) | |
1705 | { | |
1706 | return mmc_test_best_performance(test, 1, 1); | |
1707 | } | |
1708 | ||
1709 | /* | |
1710 | * Single read performance by transfer size. | |
1711 | */ | |
1712 | static int mmc_test_profile_read_perf(struct mmc_test_card *test) | |
1713 | { | |
253d6a28 | 1714 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1715 | unsigned long sz; |
1716 | unsigned int dev_addr; | |
64f7120d AH |
1717 | int ret; |
1718 | ||
253d6a28 AS |
1719 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
1720 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1721 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
1722 | if (ret) | |
1723 | return ret; | |
1724 | } | |
253d6a28 AS |
1725 | sz = t->max_tfr; |
1726 | dev_addr = t->dev_addr; | |
64f7120d AH |
1727 | return mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
1728 | } | |
1729 | ||
1730 | /* | |
1731 | * Single write performance by transfer size. | |
1732 | */ | |
1733 | static int mmc_test_profile_write_perf(struct mmc_test_card *test) | |
1734 | { | |
253d6a28 | 1735 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1736 | unsigned long sz; |
1737 | unsigned int dev_addr; | |
64f7120d AH |
1738 | int ret; |
1739 | ||
1740 | ret = mmc_test_area_erase(test); | |
1741 | if (ret) | |
1742 | return ret; | |
253d6a28 AS |
1743 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
1744 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1745 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
1746 | if (ret) | |
1747 | return ret; | |
1748 | } | |
1749 | ret = mmc_test_area_erase(test); | |
1750 | if (ret) | |
1751 | return ret; | |
253d6a28 AS |
1752 | sz = t->max_tfr; |
1753 | dev_addr = t->dev_addr; | |
64f7120d AH |
1754 | return mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
1755 | } | |
1756 | ||
1757 | /* | |
1758 | * Single trim performance by transfer size. | |
1759 | */ | |
1760 | static int mmc_test_profile_trim_perf(struct mmc_test_card *test) | |
1761 | { | |
253d6a28 | 1762 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1763 | unsigned long sz; |
1764 | unsigned int dev_addr; | |
64f7120d AH |
1765 | struct timespec ts1, ts2; |
1766 | int ret; | |
1767 | ||
1768 | if (!mmc_can_trim(test->card)) | |
1769 | return RESULT_UNSUP_CARD; | |
1770 | ||
1771 | if (!mmc_can_erase(test->card)) | |
1772 | return RESULT_UNSUP_HOST; | |
1773 | ||
253d6a28 AS |
1774 | for (sz = 512; sz < t->max_sz; sz <<= 1) { |
1775 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1776 | getnstimeofday(&ts1); |
1777 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1778 | if (ret) | |
1779 | return ret; | |
1780 | getnstimeofday(&ts2); | |
1781 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1782 | } | |
253d6a28 | 1783 | dev_addr = t->dev_addr; |
64f7120d AH |
1784 | getnstimeofday(&ts1); |
1785 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1786 | if (ret) | |
1787 | return ret; | |
1788 | getnstimeofday(&ts2); | |
1789 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1790 | return 0; | |
1791 | } | |
1792 | ||
c8c8c1bd AH |
1793 | static int mmc_test_seq_read_perf(struct mmc_test_card *test, unsigned long sz) |
1794 | { | |
253d6a28 | 1795 | struct mmc_test_area *t = &test->area; |
c8c8c1bd AH |
1796 | unsigned int dev_addr, i, cnt; |
1797 | struct timespec ts1, ts2; | |
1798 | int ret; | |
1799 | ||
253d6a28 AS |
1800 | cnt = t->max_sz / sz; |
1801 | dev_addr = t->dev_addr; | |
c8c8c1bd AH |
1802 | getnstimeofday(&ts1); |
1803 | for (i = 0; i < cnt; i++) { | |
1804 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 0); | |
1805 | if (ret) | |
1806 | return ret; | |
1807 | dev_addr += (sz >> 9); | |
1808 | } | |
1809 | getnstimeofday(&ts2); | |
1810 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1811 | return 0; | |
1812 | } | |
1813 | ||
64f7120d AH |
1814 | /* |
1815 | * Consecutive read performance by transfer size. | |
1816 | */ | |
1817 | static int mmc_test_profile_seq_read_perf(struct mmc_test_card *test) | |
1818 | { | |
253d6a28 | 1819 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1820 | unsigned long sz; |
c8c8c1bd AH |
1821 | int ret; |
1822 | ||
253d6a28 | 1823 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
c8c8c1bd AH |
1824 | ret = mmc_test_seq_read_perf(test, sz); |
1825 | if (ret) | |
1826 | return ret; | |
1827 | } | |
253d6a28 | 1828 | sz = t->max_tfr; |
c8c8c1bd AH |
1829 | return mmc_test_seq_read_perf(test, sz); |
1830 | } | |
1831 | ||
1832 | static int mmc_test_seq_write_perf(struct mmc_test_card *test, unsigned long sz) | |
1833 | { | |
253d6a28 | 1834 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1835 | unsigned int dev_addr, i, cnt; |
64f7120d AH |
1836 | struct timespec ts1, ts2; |
1837 | int ret; | |
1838 | ||
c8c8c1bd AH |
1839 | ret = mmc_test_area_erase(test); |
1840 | if (ret) | |
1841 | return ret; | |
253d6a28 AS |
1842 | cnt = t->max_sz / sz; |
1843 | dev_addr = t->dev_addr; | |
c8c8c1bd AH |
1844 | getnstimeofday(&ts1); |
1845 | for (i = 0; i < cnt; i++) { | |
1846 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 0); | |
1847 | if (ret) | |
1848 | return ret; | |
1849 | dev_addr += (sz >> 9); | |
64f7120d | 1850 | } |
c8c8c1bd AH |
1851 | getnstimeofday(&ts2); |
1852 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
64f7120d AH |
1853 | return 0; |
1854 | } | |
1855 | ||
1856 | /* | |
1857 | * Consecutive write performance by transfer size. | |
1858 | */ | |
1859 | static int mmc_test_profile_seq_write_perf(struct mmc_test_card *test) | |
1860 | { | |
253d6a28 | 1861 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1862 | unsigned long sz; |
64f7120d AH |
1863 | int ret; |
1864 | ||
253d6a28 | 1865 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
c8c8c1bd | 1866 | ret = mmc_test_seq_write_perf(test, sz); |
64f7120d AH |
1867 | if (ret) |
1868 | return ret; | |
64f7120d | 1869 | } |
253d6a28 | 1870 | sz = t->max_tfr; |
c8c8c1bd | 1871 | return mmc_test_seq_write_perf(test, sz); |
64f7120d AH |
1872 | } |
1873 | ||
1874 | /* | |
1875 | * Consecutive trim performance by transfer size. | |
1876 | */ | |
1877 | static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test) | |
1878 | { | |
253d6a28 | 1879 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1880 | unsigned long sz; |
1881 | unsigned int dev_addr, i, cnt; | |
64f7120d AH |
1882 | struct timespec ts1, ts2; |
1883 | int ret; | |
1884 | ||
1885 | if (!mmc_can_trim(test->card)) | |
1886 | return RESULT_UNSUP_CARD; | |
1887 | ||
1888 | if (!mmc_can_erase(test->card)) | |
1889 | return RESULT_UNSUP_HOST; | |
1890 | ||
253d6a28 | 1891 | for (sz = 512; sz <= t->max_sz; sz <<= 1) { |
64f7120d AH |
1892 | ret = mmc_test_area_erase(test); |
1893 | if (ret) | |
1894 | return ret; | |
1895 | ret = mmc_test_area_fill(test); | |
1896 | if (ret) | |
1897 | return ret; | |
253d6a28 AS |
1898 | cnt = t->max_sz / sz; |
1899 | dev_addr = t->dev_addr; | |
64f7120d AH |
1900 | getnstimeofday(&ts1); |
1901 | for (i = 0; i < cnt; i++) { | |
1902 | ret = mmc_erase(test->card, dev_addr, sz >> 9, | |
1903 | MMC_TRIM_ARG); | |
1904 | if (ret) | |
1905 | return ret; | |
1906 | dev_addr += (sz >> 9); | |
1907 | } | |
1908 | getnstimeofday(&ts2); | |
1909 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1910 | } | |
1911 | return 0; | |
1912 | } | |
1913 | ||
b6056d12 AH |
1914 | static unsigned int rnd_next = 1; |
1915 | ||
1916 | static unsigned int mmc_test_rnd_num(unsigned int rnd_cnt) | |
1917 | { | |
1918 | uint64_t r; | |
1919 | ||
1920 | rnd_next = rnd_next * 1103515245 + 12345; | |
1921 | r = (rnd_next >> 16) & 0x7fff; | |
1922 | return (r * rnd_cnt) >> 15; | |
1923 | } | |
1924 | ||
1925 | static int mmc_test_rnd_perf(struct mmc_test_card *test, int write, int print, | |
1926 | unsigned long sz) | |
1927 | { | |
1928 | unsigned int dev_addr, cnt, rnd_addr, range1, range2, last_ea = 0, ea; | |
1929 | unsigned int ssz; | |
1930 | struct timespec ts1, ts2, ts; | |
1931 | int ret; | |
1932 | ||
1933 | ssz = sz >> 9; | |
1934 | ||
1935 | rnd_addr = mmc_test_capacity(test->card) / 4; | |
1936 | range1 = rnd_addr / test->card->pref_erase; | |
1937 | range2 = range1 / ssz; | |
1938 | ||
1939 | getnstimeofday(&ts1); | |
1940 | for (cnt = 0; cnt < UINT_MAX; cnt++) { | |
1941 | getnstimeofday(&ts2); | |
1942 | ts = timespec_sub(ts2, ts1); | |
1943 | if (ts.tv_sec >= 10) | |
1944 | break; | |
1945 | ea = mmc_test_rnd_num(range1); | |
1946 | if (ea == last_ea) | |
1947 | ea -= 1; | |
1948 | last_ea = ea; | |
1949 | dev_addr = rnd_addr + test->card->pref_erase * ea + | |
1950 | ssz * mmc_test_rnd_num(range2); | |
1951 | ret = mmc_test_area_io(test, sz, dev_addr, write, 0, 0); | |
1952 | if (ret) | |
1953 | return ret; | |
1954 | } | |
1955 | if (print) | |
1956 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1957 | return 0; | |
1958 | } | |
1959 | ||
1960 | static int mmc_test_random_perf(struct mmc_test_card *test, int write) | |
1961 | { | |
253d6a28 | 1962 | struct mmc_test_area *t = &test->area; |
b6056d12 AH |
1963 | unsigned int next; |
1964 | unsigned long sz; | |
1965 | int ret; | |
1966 | ||
253d6a28 | 1967 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
b6056d12 AH |
1968 | /* |
1969 | * When writing, try to get more consistent results by running | |
1970 | * the test twice with exactly the same I/O but outputting the | |
1971 | * results only for the 2nd run. | |
1972 | */ | |
1973 | if (write) { | |
1974 | next = rnd_next; | |
1975 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1976 | if (ret) | |
1977 | return ret; | |
1978 | rnd_next = next; | |
1979 | } | |
1980 | ret = mmc_test_rnd_perf(test, write, 1, sz); | |
1981 | if (ret) | |
1982 | return ret; | |
1983 | } | |
253d6a28 | 1984 | sz = t->max_tfr; |
b6056d12 AH |
1985 | if (write) { |
1986 | next = rnd_next; | |
1987 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1988 | if (ret) | |
1989 | return ret; | |
1990 | rnd_next = next; | |
1991 | } | |
1992 | return mmc_test_rnd_perf(test, write, 1, sz); | |
1993 | } | |
1994 | ||
1995 | /* | |
1996 | * Random read performance by transfer size. | |
1997 | */ | |
1998 | static int mmc_test_random_read_perf(struct mmc_test_card *test) | |
1999 | { | |
2000 | return mmc_test_random_perf(test, 0); | |
2001 | } | |
2002 | ||
2003 | /* | |
2004 | * Random write performance by transfer size. | |
2005 | */ | |
2006 | static int mmc_test_random_write_perf(struct mmc_test_card *test) | |
2007 | { | |
2008 | return mmc_test_random_perf(test, 1); | |
2009 | } | |
2010 | ||
a803d551 AH |
2011 | static int mmc_test_seq_perf(struct mmc_test_card *test, int write, |
2012 | unsigned int tot_sz, int max_scatter) | |
2013 | { | |
253d6a28 | 2014 | struct mmc_test_area *t = &test->area; |
a803d551 | 2015 | unsigned int dev_addr, i, cnt, sz, ssz; |
5a8fba52 | 2016 | struct timespec ts1, ts2; |
a803d551 AH |
2017 | int ret; |
2018 | ||
253d6a28 AS |
2019 | sz = t->max_tfr; |
2020 | ||
a803d551 AH |
2021 | /* |
2022 | * In the case of a maximally scattered transfer, the maximum transfer | |
2023 | * size is further limited by using PAGE_SIZE segments. | |
2024 | */ | |
2025 | if (max_scatter) { | |
a803d551 AH |
2026 | unsigned long max_tfr; |
2027 | ||
2028 | if (t->max_seg_sz >= PAGE_SIZE) | |
2029 | max_tfr = t->max_segs * PAGE_SIZE; | |
2030 | else | |
2031 | max_tfr = t->max_segs * t->max_seg_sz; | |
2032 | if (sz > max_tfr) | |
2033 | sz = max_tfr; | |
2034 | } | |
2035 | ||
2036 | ssz = sz >> 9; | |
2037 | dev_addr = mmc_test_capacity(test->card) / 4; | |
2038 | if (tot_sz > dev_addr << 9) | |
2039 | tot_sz = dev_addr << 9; | |
2040 | cnt = tot_sz / sz; | |
2041 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ | |
2042 | ||
2043 | getnstimeofday(&ts1); | |
2044 | for (i = 0; i < cnt; i++) { | |
2045 | ret = mmc_test_area_io(test, sz, dev_addr, write, | |
2046 | max_scatter, 0); | |
2047 | if (ret) | |
2048 | return ret; | |
2049 | dev_addr += ssz; | |
2050 | } | |
2051 | getnstimeofday(&ts2); | |
2052 | ||
a803d551 AH |
2053 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
2054 | ||
2055 | return 0; | |
2056 | } | |
2057 | ||
2058 | static int mmc_test_large_seq_perf(struct mmc_test_card *test, int write) | |
2059 | { | |
2060 | int ret, i; | |
2061 | ||
2062 | for (i = 0; i < 10; i++) { | |
2063 | ret = mmc_test_seq_perf(test, write, 10 * 1024 * 1024, 1); | |
2064 | if (ret) | |
2065 | return ret; | |
2066 | } | |
2067 | for (i = 0; i < 5; i++) { | |
2068 | ret = mmc_test_seq_perf(test, write, 100 * 1024 * 1024, 1); | |
2069 | if (ret) | |
2070 | return ret; | |
2071 | } | |
2072 | for (i = 0; i < 3; i++) { | |
2073 | ret = mmc_test_seq_perf(test, write, 1000 * 1024 * 1024, 1); | |
2074 | if (ret) | |
2075 | return ret; | |
2076 | } | |
2077 | ||
2078 | return ret; | |
2079 | } | |
2080 | ||
2081 | /* | |
2082 | * Large sequential read performance. | |
2083 | */ | |
2084 | static int mmc_test_large_seq_read_perf(struct mmc_test_card *test) | |
2085 | { | |
2086 | return mmc_test_large_seq_perf(test, 0); | |
2087 | } | |
2088 | ||
2089 | /* | |
2090 | * Large sequential write performance. | |
2091 | */ | |
2092 | static int mmc_test_large_seq_write_perf(struct mmc_test_card *test) | |
2093 | { | |
2094 | return mmc_test_large_seq_perf(test, 1); | |
2095 | } | |
2096 | ||
9f9c4180 PF |
2097 | static int mmc_test_rw_multiple(struct mmc_test_card *test, |
2098 | struct mmc_test_multiple_rw *tdata, | |
bf043330 PF |
2099 | unsigned int reqsize, unsigned int size, |
2100 | int min_sg_len) | |
9f9c4180 PF |
2101 | { |
2102 | unsigned int dev_addr; | |
2103 | struct mmc_test_area *t = &test->area; | |
2104 | int ret = 0; | |
2105 | ||
2106 | /* Set up test area */ | |
2107 | if (size > mmc_test_capacity(test->card) / 2 * 512) | |
2108 | size = mmc_test_capacity(test->card) / 2 * 512; | |
2109 | if (reqsize > t->max_tfr) | |
2110 | reqsize = t->max_tfr; | |
2111 | dev_addr = mmc_test_capacity(test->card) / 4; | |
2112 | if ((dev_addr & 0xffff0000)) | |
2113 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ | |
2114 | else | |
2115 | dev_addr &= 0xfffff800; /* Round to 1MiB boundary */ | |
2116 | if (!dev_addr) | |
2117 | goto err; | |
2118 | ||
2119 | if (reqsize > size) | |
2120 | return 0; | |
2121 | ||
2122 | /* prepare test area */ | |
2123 | if (mmc_can_erase(test->card) && | |
2124 | tdata->prepare & MMC_TEST_PREP_ERASE) { | |
2125 | ret = mmc_erase(test->card, dev_addr, | |
2126 | size / 512, MMC_SECURE_ERASE_ARG); | |
2127 | if (ret) | |
2128 | ret = mmc_erase(test->card, dev_addr, | |
2129 | size / 512, MMC_ERASE_ARG); | |
2130 | if (ret) | |
2131 | goto err; | |
2132 | } | |
2133 | ||
2134 | /* Run test */ | |
2135 | ret = mmc_test_area_io_seq(test, reqsize, dev_addr, | |
2136 | tdata->do_write, 0, 1, size / reqsize, | |
bf043330 | 2137 | tdata->do_nonblock_req, min_sg_len); |
9f9c4180 PF |
2138 | if (ret) |
2139 | goto err; | |
2140 | ||
2141 | return ret; | |
2142 | err: | |
a3c76eb9 | 2143 | pr_info("[%s] error\n", __func__); |
9f9c4180 PF |
2144 | return ret; |
2145 | } | |
2146 | ||
2147 | static int mmc_test_rw_multiple_size(struct mmc_test_card *test, | |
2148 | struct mmc_test_multiple_rw *rw) | |
2149 | { | |
2150 | int ret = 0; | |
2151 | int i; | |
2152 | void *pre_req = test->card->host->ops->pre_req; | |
2153 | void *post_req = test->card->host->ops->post_req; | |
2154 | ||
2155 | if (rw->do_nonblock_req && | |
2156 | ((!pre_req && post_req) || (pre_req && !post_req))) { | |
a3c76eb9 | 2157 | pr_info("error: only one of pre/post is defined\n"); |
9f9c4180 PF |
2158 | return -EINVAL; |
2159 | } | |
2160 | ||
2161 | for (i = 0 ; i < rw->len && ret == 0; i++) { | |
bf043330 PF |
2162 | ret = mmc_test_rw_multiple(test, rw, rw->bs[i], rw->size, 0); |
2163 | if (ret) | |
2164 | break; | |
2165 | } | |
2166 | return ret; | |
2167 | } | |
2168 | ||
2169 | static int mmc_test_rw_multiple_sg_len(struct mmc_test_card *test, | |
2170 | struct mmc_test_multiple_rw *rw) | |
2171 | { | |
2172 | int ret = 0; | |
2173 | int i; | |
2174 | ||
2175 | for (i = 0 ; i < rw->len && ret == 0; i++) { | |
2176 | ret = mmc_test_rw_multiple(test, rw, 512*1024, rw->size, | |
2177 | rw->sg_len[i]); | |
9f9c4180 PF |
2178 | if (ret) |
2179 | break; | |
2180 | } | |
2181 | return ret; | |
2182 | } | |
2183 | ||
2184 | /* | |
2185 | * Multiple blocking write 4k to 4 MB chunks | |
2186 | */ | |
2187 | static int mmc_test_profile_mult_write_blocking_perf(struct mmc_test_card *test) | |
2188 | { | |
2189 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2190 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2191 | struct mmc_test_multiple_rw test_data = { | |
2192 | .bs = bs, | |
2193 | .size = TEST_AREA_MAX_SIZE, | |
2194 | .len = ARRAY_SIZE(bs), | |
2195 | .do_write = true, | |
2196 | .do_nonblock_req = false, | |
2197 | .prepare = MMC_TEST_PREP_ERASE, | |
2198 | }; | |
2199 | ||
2200 | return mmc_test_rw_multiple_size(test, &test_data); | |
2201 | }; | |
2202 | ||
2203 | /* | |
2204 | * Multiple non-blocking write 4k to 4 MB chunks | |
2205 | */ | |
2206 | static int mmc_test_profile_mult_write_nonblock_perf(struct mmc_test_card *test) | |
2207 | { | |
2208 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2209 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2210 | struct mmc_test_multiple_rw test_data = { | |
2211 | .bs = bs, | |
2212 | .size = TEST_AREA_MAX_SIZE, | |
2213 | .len = ARRAY_SIZE(bs), | |
2214 | .do_write = true, | |
2215 | .do_nonblock_req = true, | |
2216 | .prepare = MMC_TEST_PREP_ERASE, | |
2217 | }; | |
2218 | ||
2219 | return mmc_test_rw_multiple_size(test, &test_data); | |
2220 | } | |
2221 | ||
2222 | /* | |
2223 | * Multiple blocking read 4k to 4 MB chunks | |
2224 | */ | |
2225 | static int mmc_test_profile_mult_read_blocking_perf(struct mmc_test_card *test) | |
2226 | { | |
2227 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2228 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2229 | struct mmc_test_multiple_rw test_data = { | |
2230 | .bs = bs, | |
2231 | .size = TEST_AREA_MAX_SIZE, | |
2232 | .len = ARRAY_SIZE(bs), | |
2233 | .do_write = false, | |
2234 | .do_nonblock_req = false, | |
2235 | .prepare = MMC_TEST_PREP_NONE, | |
2236 | }; | |
2237 | ||
2238 | return mmc_test_rw_multiple_size(test, &test_data); | |
2239 | } | |
2240 | ||
2241 | /* | |
2242 | * Multiple non-blocking read 4k to 4 MB chunks | |
2243 | */ | |
2244 | static int mmc_test_profile_mult_read_nonblock_perf(struct mmc_test_card *test) | |
2245 | { | |
2246 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2247 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2248 | struct mmc_test_multiple_rw test_data = { | |
2249 | .bs = bs, | |
2250 | .size = TEST_AREA_MAX_SIZE, | |
2251 | .len = ARRAY_SIZE(bs), | |
2252 | .do_write = false, | |
2253 | .do_nonblock_req = true, | |
2254 | .prepare = MMC_TEST_PREP_NONE, | |
2255 | }; | |
2256 | ||
2257 | return mmc_test_rw_multiple_size(test, &test_data); | |
2258 | } | |
2259 | ||
bf043330 PF |
2260 | /* |
2261 | * Multiple blocking write 1 to 512 sg elements | |
2262 | */ | |
2263 | static int mmc_test_profile_sglen_wr_blocking_perf(struct mmc_test_card *test) | |
2264 | { | |
2265 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2266 | 1 << 7, 1 << 8, 1 << 9}; | |
2267 | struct mmc_test_multiple_rw test_data = { | |
2268 | .sg_len = sg_len, | |
2269 | .size = TEST_AREA_MAX_SIZE, | |
2270 | .len = ARRAY_SIZE(sg_len), | |
2271 | .do_write = true, | |
2272 | .do_nonblock_req = false, | |
2273 | .prepare = MMC_TEST_PREP_ERASE, | |
2274 | }; | |
2275 | ||
2276 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2277 | }; | |
2278 | ||
2279 | /* | |
2280 | * Multiple non-blocking write 1 to 512 sg elements | |
2281 | */ | |
2282 | static int mmc_test_profile_sglen_wr_nonblock_perf(struct mmc_test_card *test) | |
2283 | { | |
2284 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2285 | 1 << 7, 1 << 8, 1 << 9}; | |
2286 | struct mmc_test_multiple_rw test_data = { | |
2287 | .sg_len = sg_len, | |
2288 | .size = TEST_AREA_MAX_SIZE, | |
2289 | .len = ARRAY_SIZE(sg_len), | |
2290 | .do_write = true, | |
2291 | .do_nonblock_req = true, | |
2292 | .prepare = MMC_TEST_PREP_ERASE, | |
2293 | }; | |
2294 | ||
2295 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2296 | } | |
2297 | ||
2298 | /* | |
2299 | * Multiple blocking read 1 to 512 sg elements | |
2300 | */ | |
2301 | static int mmc_test_profile_sglen_r_blocking_perf(struct mmc_test_card *test) | |
2302 | { | |
2303 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2304 | 1 << 7, 1 << 8, 1 << 9}; | |
2305 | struct mmc_test_multiple_rw test_data = { | |
2306 | .sg_len = sg_len, | |
2307 | .size = TEST_AREA_MAX_SIZE, | |
2308 | .len = ARRAY_SIZE(sg_len), | |
2309 | .do_write = false, | |
2310 | .do_nonblock_req = false, | |
2311 | .prepare = MMC_TEST_PREP_NONE, | |
2312 | }; | |
2313 | ||
2314 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2315 | } | |
2316 | ||
2317 | /* | |
2318 | * Multiple non-blocking read 1 to 512 sg elements | |
2319 | */ | |
2320 | static int mmc_test_profile_sglen_r_nonblock_perf(struct mmc_test_card *test) | |
2321 | { | |
2322 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2323 | 1 << 7, 1 << 8, 1 << 9}; | |
2324 | struct mmc_test_multiple_rw test_data = { | |
2325 | .sg_len = sg_len, | |
2326 | .size = TEST_AREA_MAX_SIZE, | |
2327 | .len = ARRAY_SIZE(sg_len), | |
2328 | .do_write = false, | |
2329 | .do_nonblock_req = true, | |
2330 | .prepare = MMC_TEST_PREP_NONE, | |
2331 | }; | |
2332 | ||
2333 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2334 | } | |
2335 | ||
2311344c AH |
2336 | /* |
2337 | * eMMC hardware reset. | |
2338 | */ | |
2339 | static int mmc_test_hw_reset(struct mmc_test_card *test) | |
2340 | { | |
2341 | struct mmc_card *card = test->card; | |
2342 | struct mmc_host *host = card->host; | |
2343 | int err; | |
2344 | ||
2345 | err = mmc_hw_reset_check(host); | |
2346 | if (!err) | |
2347 | return RESULT_OK; | |
2348 | ||
2349 | if (err == -ENOSYS) | |
2350 | return RESULT_FAIL; | |
2351 | ||
2352 | if (err != -EOPNOTSUPP) | |
2353 | return err; | |
2354 | ||
2355 | if (!mmc_can_reset(card)) | |
2356 | return RESULT_UNSUP_CARD; | |
2357 | ||
2358 | return RESULT_UNSUP_HOST; | |
2359 | } | |
2360 | ||
88ae600d PO |
2361 | static const struct mmc_test_case mmc_test_cases[] = { |
2362 | { | |
2363 | .name = "Basic write (no data verification)", | |
2364 | .run = mmc_test_basic_write, | |
2365 | }, | |
2366 | ||
2367 | { | |
2368 | .name = "Basic read (no data verification)", | |
2369 | .run = mmc_test_basic_read, | |
2370 | }, | |
2371 | ||
2372 | { | |
2373 | .name = "Basic write (with data verification)", | |
6b174931 | 2374 | .prepare = mmc_test_prepare_write, |
88ae600d | 2375 | .run = mmc_test_verify_write, |
6b174931 | 2376 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2377 | }, |
2378 | ||
2379 | { | |
2380 | .name = "Basic read (with data verification)", | |
6b174931 | 2381 | .prepare = mmc_test_prepare_read, |
88ae600d | 2382 | .run = mmc_test_verify_read, |
6b174931 | 2383 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2384 | }, |
2385 | ||
2386 | { | |
2387 | .name = "Multi-block write", | |
6b174931 | 2388 | .prepare = mmc_test_prepare_write, |
88ae600d | 2389 | .run = mmc_test_multi_write, |
6b174931 | 2390 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2391 | }, |
2392 | ||
2393 | { | |
2394 | .name = "Multi-block read", | |
6b174931 | 2395 | .prepare = mmc_test_prepare_read, |
88ae600d | 2396 | .run = mmc_test_multi_read, |
6b174931 | 2397 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2398 | }, |
2399 | ||
2400 | { | |
2401 | .name = "Power of two block writes", | |
6b174931 | 2402 | .prepare = mmc_test_prepare_write, |
88ae600d | 2403 | .run = mmc_test_pow2_write, |
6b174931 | 2404 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2405 | }, |
2406 | ||
2407 | { | |
2408 | .name = "Power of two block reads", | |
6b174931 | 2409 | .prepare = mmc_test_prepare_read, |
88ae600d | 2410 | .run = mmc_test_pow2_read, |
6b174931 | 2411 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2412 | }, |
2413 | ||
2414 | { | |
2415 | .name = "Weird sized block writes", | |
6b174931 | 2416 | .prepare = mmc_test_prepare_write, |
88ae600d | 2417 | .run = mmc_test_weird_write, |
6b174931 | 2418 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2419 | }, |
2420 | ||
2421 | { | |
2422 | .name = "Weird sized block reads", | |
6b174931 | 2423 | .prepare = mmc_test_prepare_read, |
88ae600d | 2424 | .run = mmc_test_weird_read, |
6b174931 | 2425 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2426 | }, |
2427 | ||
2428 | { | |
2429 | .name = "Badly aligned write", | |
6b174931 | 2430 | .prepare = mmc_test_prepare_write, |
88ae600d | 2431 | .run = mmc_test_align_write, |
6b174931 | 2432 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2433 | }, |
2434 | ||
2435 | { | |
2436 | .name = "Badly aligned read", | |
6b174931 | 2437 | .prepare = mmc_test_prepare_read, |
88ae600d | 2438 | .run = mmc_test_align_read, |
6b174931 | 2439 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2440 | }, |
2441 | ||
2442 | { | |
2443 | .name = "Badly aligned multi-block write", | |
6b174931 | 2444 | .prepare = mmc_test_prepare_write, |
88ae600d | 2445 | .run = mmc_test_align_multi_write, |
6b174931 | 2446 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2447 | }, |
2448 | ||
2449 | { | |
2450 | .name = "Badly aligned multi-block read", | |
6b174931 | 2451 | .prepare = mmc_test_prepare_read, |
88ae600d | 2452 | .run = mmc_test_align_multi_read, |
6b174931 | 2453 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2454 | }, |
2455 | ||
2456 | { | |
2457 | .name = "Correct xfer_size at write (start failure)", | |
2458 | .run = mmc_test_xfersize_write, | |
2459 | }, | |
2460 | ||
2461 | { | |
2462 | .name = "Correct xfer_size at read (start failure)", | |
2463 | .run = mmc_test_xfersize_read, | |
2464 | }, | |
2465 | ||
2466 | { | |
2467 | .name = "Correct xfer_size at write (midway failure)", | |
2468 | .run = mmc_test_multi_xfersize_write, | |
2469 | }, | |
2470 | ||
2471 | { | |
2472 | .name = "Correct xfer_size at read (midway failure)", | |
2473 | .run = mmc_test_multi_xfersize_read, | |
2474 | }, | |
2661081f PO |
2475 | |
2476 | #ifdef CONFIG_HIGHMEM | |
2477 | ||
2478 | { | |
2479 | .name = "Highmem write", | |
2480 | .prepare = mmc_test_prepare_write, | |
2481 | .run = mmc_test_write_high, | |
2482 | .cleanup = mmc_test_cleanup, | |
2483 | }, | |
2484 | ||
2485 | { | |
2486 | .name = "Highmem read", | |
2487 | .prepare = mmc_test_prepare_read, | |
2488 | .run = mmc_test_read_high, | |
2489 | .cleanup = mmc_test_cleanup, | |
2490 | }, | |
2491 | ||
2492 | { | |
2493 | .name = "Multi-block highmem write", | |
2494 | .prepare = mmc_test_prepare_write, | |
2495 | .run = mmc_test_multi_write_high, | |
2496 | .cleanup = mmc_test_cleanup, | |
2497 | }, | |
2498 | ||
2499 | { | |
2500 | .name = "Multi-block highmem read", | |
2501 | .prepare = mmc_test_prepare_read, | |
2502 | .run = mmc_test_multi_read_high, | |
2503 | .cleanup = mmc_test_cleanup, | |
2504 | }, | |
2505 | ||
64f7120d AH |
2506 | #else |
2507 | ||
2508 | { | |
2509 | .name = "Highmem write", | |
2510 | .run = mmc_test_no_highmem, | |
2511 | }, | |
2512 | ||
2513 | { | |
2514 | .name = "Highmem read", | |
2515 | .run = mmc_test_no_highmem, | |
2516 | }, | |
2517 | ||
2518 | { | |
2519 | .name = "Multi-block highmem write", | |
2520 | .run = mmc_test_no_highmem, | |
2521 | }, | |
2522 | ||
2523 | { | |
2524 | .name = "Multi-block highmem read", | |
2525 | .run = mmc_test_no_highmem, | |
2526 | }, | |
2527 | ||
2661081f PO |
2528 | #endif /* CONFIG_HIGHMEM */ |
2529 | ||
64f7120d AH |
2530 | { |
2531 | .name = "Best-case read performance", | |
2532 | .prepare = mmc_test_area_prepare_fill, | |
2533 | .run = mmc_test_best_read_performance, | |
2534 | .cleanup = mmc_test_area_cleanup, | |
2535 | }, | |
2536 | ||
2537 | { | |
2538 | .name = "Best-case write performance", | |
2539 | .prepare = mmc_test_area_prepare_erase, | |
2540 | .run = mmc_test_best_write_performance, | |
2541 | .cleanup = mmc_test_area_cleanup, | |
2542 | }, | |
2543 | ||
2544 | { | |
2545 | .name = "Best-case read performance into scattered pages", | |
2546 | .prepare = mmc_test_area_prepare_fill, | |
2547 | .run = mmc_test_best_read_perf_max_scatter, | |
2548 | .cleanup = mmc_test_area_cleanup, | |
2549 | }, | |
2550 | ||
2551 | { | |
2552 | .name = "Best-case write performance from scattered pages", | |
2553 | .prepare = mmc_test_area_prepare_erase, | |
2554 | .run = mmc_test_best_write_perf_max_scatter, | |
2555 | .cleanup = mmc_test_area_cleanup, | |
2556 | }, | |
2557 | ||
2558 | { | |
2559 | .name = "Single read performance by transfer size", | |
2560 | .prepare = mmc_test_area_prepare_fill, | |
2561 | .run = mmc_test_profile_read_perf, | |
2562 | .cleanup = mmc_test_area_cleanup, | |
2563 | }, | |
2564 | ||
2565 | { | |
2566 | .name = "Single write performance by transfer size", | |
2567 | .prepare = mmc_test_area_prepare, | |
2568 | .run = mmc_test_profile_write_perf, | |
2569 | .cleanup = mmc_test_area_cleanup, | |
2570 | }, | |
2571 | ||
2572 | { | |
2573 | .name = "Single trim performance by transfer size", | |
2574 | .prepare = mmc_test_area_prepare_fill, | |
2575 | .run = mmc_test_profile_trim_perf, | |
2576 | .cleanup = mmc_test_area_cleanup, | |
2577 | }, | |
2578 | ||
2579 | { | |
2580 | .name = "Consecutive read performance by transfer size", | |
2581 | .prepare = mmc_test_area_prepare_fill, | |
2582 | .run = mmc_test_profile_seq_read_perf, | |
2583 | .cleanup = mmc_test_area_cleanup, | |
2584 | }, | |
2585 | ||
2586 | { | |
2587 | .name = "Consecutive write performance by transfer size", | |
2588 | .prepare = mmc_test_area_prepare, | |
2589 | .run = mmc_test_profile_seq_write_perf, | |
2590 | .cleanup = mmc_test_area_cleanup, | |
2591 | }, | |
2592 | ||
2593 | { | |
2594 | .name = "Consecutive trim performance by transfer size", | |
2595 | .prepare = mmc_test_area_prepare, | |
2596 | .run = mmc_test_profile_seq_trim_perf, | |
2597 | .cleanup = mmc_test_area_cleanup, | |
2598 | }, | |
2599 | ||
b6056d12 AH |
2600 | { |
2601 | .name = "Random read performance by transfer size", | |
2602 | .prepare = mmc_test_area_prepare, | |
2603 | .run = mmc_test_random_read_perf, | |
2604 | .cleanup = mmc_test_area_cleanup, | |
2605 | }, | |
2606 | ||
2607 | { | |
2608 | .name = "Random write performance by transfer size", | |
2609 | .prepare = mmc_test_area_prepare, | |
2610 | .run = mmc_test_random_write_perf, | |
2611 | .cleanup = mmc_test_area_cleanup, | |
2612 | }, | |
2613 | ||
a803d551 AH |
2614 | { |
2615 | .name = "Large sequential read into scattered pages", | |
2616 | .prepare = mmc_test_area_prepare, | |
2617 | .run = mmc_test_large_seq_read_perf, | |
2618 | .cleanup = mmc_test_area_cleanup, | |
2619 | }, | |
2620 | ||
2621 | { | |
2622 | .name = "Large sequential write from scattered pages", | |
2623 | .prepare = mmc_test_area_prepare, | |
2624 | .run = mmc_test_large_seq_write_perf, | |
2625 | .cleanup = mmc_test_area_cleanup, | |
2626 | }, | |
2627 | ||
9f9c4180 PF |
2628 | { |
2629 | .name = "Write performance with blocking req 4k to 4MB", | |
2630 | .prepare = mmc_test_area_prepare, | |
2631 | .run = mmc_test_profile_mult_write_blocking_perf, | |
2632 | .cleanup = mmc_test_area_cleanup, | |
2633 | }, | |
2634 | ||
2635 | { | |
2636 | .name = "Write performance with non-blocking req 4k to 4MB", | |
2637 | .prepare = mmc_test_area_prepare, | |
2638 | .run = mmc_test_profile_mult_write_nonblock_perf, | |
2639 | .cleanup = mmc_test_area_cleanup, | |
2640 | }, | |
2641 | ||
2642 | { | |
2643 | .name = "Read performance with blocking req 4k to 4MB", | |
2644 | .prepare = mmc_test_area_prepare, | |
2645 | .run = mmc_test_profile_mult_read_blocking_perf, | |
2646 | .cleanup = mmc_test_area_cleanup, | |
2647 | }, | |
2648 | ||
2649 | { | |
2650 | .name = "Read performance with non-blocking req 4k to 4MB", | |
2651 | .prepare = mmc_test_area_prepare, | |
2652 | .run = mmc_test_profile_mult_read_nonblock_perf, | |
2653 | .cleanup = mmc_test_area_cleanup, | |
2654 | }, | |
bf043330 PF |
2655 | |
2656 | { | |
2657 | .name = "Write performance blocking req 1 to 512 sg elems", | |
2658 | .prepare = mmc_test_area_prepare, | |
2659 | .run = mmc_test_profile_sglen_wr_blocking_perf, | |
2660 | .cleanup = mmc_test_area_cleanup, | |
2661 | }, | |
2662 | ||
2663 | { | |
2664 | .name = "Write performance non-blocking req 1 to 512 sg elems", | |
2665 | .prepare = mmc_test_area_prepare, | |
2666 | .run = mmc_test_profile_sglen_wr_nonblock_perf, | |
2667 | .cleanup = mmc_test_area_cleanup, | |
2668 | }, | |
2669 | ||
2670 | { | |
2671 | .name = "Read performance blocking req 1 to 512 sg elems", | |
2672 | .prepare = mmc_test_area_prepare, | |
2673 | .run = mmc_test_profile_sglen_r_blocking_perf, | |
2674 | .cleanup = mmc_test_area_cleanup, | |
2675 | }, | |
2676 | ||
2677 | { | |
2678 | .name = "Read performance non-blocking req 1 to 512 sg elems", | |
2679 | .prepare = mmc_test_area_prepare, | |
2680 | .run = mmc_test_profile_sglen_r_nonblock_perf, | |
2681 | .cleanup = mmc_test_area_cleanup, | |
2682 | }, | |
2311344c AH |
2683 | |
2684 | { | |
2685 | .name = "eMMC hardware reset", | |
2686 | .run = mmc_test_hw_reset, | |
2687 | }, | |
88ae600d PO |
2688 | }; |
2689 | ||
a650031a | 2690 | static DEFINE_MUTEX(mmc_test_lock); |
88ae600d | 2691 | |
3183aa15 AS |
2692 | static LIST_HEAD(mmc_test_result); |
2693 | ||
fd8c326c | 2694 | static void mmc_test_run(struct mmc_test_card *test, int testcase) |
88ae600d PO |
2695 | { |
2696 | int i, ret; | |
2697 | ||
a3c76eb9 | 2698 | pr_info("%s: Starting tests of card %s...\n", |
88ae600d PO |
2699 | mmc_hostname(test->card->host), mmc_card_id(test->card)); |
2700 | ||
2701 | mmc_claim_host(test->card->host); | |
2702 | ||
2703 | for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) { | |
3183aa15 AS |
2704 | struct mmc_test_general_result *gr; |
2705 | ||
fd8c326c PO |
2706 | if (testcase && ((i + 1) != testcase)) |
2707 | continue; | |
2708 | ||
a3c76eb9 | 2709 | pr_info("%s: Test case %d. %s...\n", |
88ae600d PO |
2710 | mmc_hostname(test->card->host), i + 1, |
2711 | mmc_test_cases[i].name); | |
2712 | ||
2713 | if (mmc_test_cases[i].prepare) { | |
2714 | ret = mmc_test_cases[i].prepare(test); | |
2715 | if (ret) { | |
a3c76eb9 | 2716 | pr_info("%s: Result: Prepare " |
88ae600d PO |
2717 | "stage failed! (%d)\n", |
2718 | mmc_hostname(test->card->host), | |
2719 | ret); | |
2720 | continue; | |
2721 | } | |
2722 | } | |
2723 | ||
3183aa15 AS |
2724 | gr = kzalloc(sizeof(struct mmc_test_general_result), |
2725 | GFP_KERNEL); | |
2726 | if (gr) { | |
2727 | INIT_LIST_HEAD(&gr->tr_lst); | |
2728 | ||
2729 | /* Assign data what we know already */ | |
2730 | gr->card = test->card; | |
2731 | gr->testcase = i; | |
2732 | ||
2733 | /* Append container to global one */ | |
2734 | list_add_tail(&gr->link, &mmc_test_result); | |
2735 | ||
2736 | /* | |
2737 | * Save the pointer to created container in our private | |
2738 | * structure. | |
2739 | */ | |
2740 | test->gr = gr; | |
2741 | } | |
2742 | ||
88ae600d PO |
2743 | ret = mmc_test_cases[i].run(test); |
2744 | switch (ret) { | |
2745 | case RESULT_OK: | |
a3c76eb9 | 2746 | pr_info("%s: Result: OK\n", |
88ae600d PO |
2747 | mmc_hostname(test->card->host)); |
2748 | break; | |
2749 | case RESULT_FAIL: | |
a3c76eb9 | 2750 | pr_info("%s: Result: FAILED\n", |
88ae600d PO |
2751 | mmc_hostname(test->card->host)); |
2752 | break; | |
2753 | case RESULT_UNSUP_HOST: | |
a3c76eb9 | 2754 | pr_info("%s: Result: UNSUPPORTED " |
88ae600d PO |
2755 | "(by host)\n", |
2756 | mmc_hostname(test->card->host)); | |
2757 | break; | |
2758 | case RESULT_UNSUP_CARD: | |
a3c76eb9 | 2759 | pr_info("%s: Result: UNSUPPORTED " |
88ae600d PO |
2760 | "(by card)\n", |
2761 | mmc_hostname(test->card->host)); | |
2762 | break; | |
2763 | default: | |
a3c76eb9 | 2764 | pr_info("%s: Result: ERROR (%d)\n", |
88ae600d PO |
2765 | mmc_hostname(test->card->host), ret); |
2766 | } | |
2767 | ||
3183aa15 AS |
2768 | /* Save the result */ |
2769 | if (gr) | |
2770 | gr->result = ret; | |
2771 | ||
88ae600d PO |
2772 | if (mmc_test_cases[i].cleanup) { |
2773 | ret = mmc_test_cases[i].cleanup(test); | |
2774 | if (ret) { | |
a3c76eb9 | 2775 | pr_info("%s: Warning: Cleanup " |
88ae600d PO |
2776 | "stage failed! (%d)\n", |
2777 | mmc_hostname(test->card->host), | |
2778 | ret); | |
2779 | } | |
2780 | } | |
2781 | } | |
2782 | ||
2783 | mmc_release_host(test->card->host); | |
2784 | ||
a3c76eb9 | 2785 | pr_info("%s: Tests completed.\n", |
88ae600d PO |
2786 | mmc_hostname(test->card->host)); |
2787 | } | |
2788 | ||
3183aa15 AS |
2789 | static void mmc_test_free_result(struct mmc_card *card) |
2790 | { | |
2791 | struct mmc_test_general_result *gr, *grs; | |
2792 | ||
2793 | mutex_lock(&mmc_test_lock); | |
2794 | ||
2795 | list_for_each_entry_safe(gr, grs, &mmc_test_result, link) { | |
2796 | struct mmc_test_transfer_result *tr, *trs; | |
2797 | ||
2798 | if (card && gr->card != card) | |
2799 | continue; | |
2800 | ||
2801 | list_for_each_entry_safe(tr, trs, &gr->tr_lst, link) { | |
2802 | list_del(&tr->link); | |
2803 | kfree(tr); | |
2804 | } | |
2805 | ||
2806 | list_del(&gr->link); | |
2807 | kfree(gr); | |
2808 | } | |
2809 | ||
2810 | mutex_unlock(&mmc_test_lock); | |
2811 | } | |
2812 | ||
130067ed AS |
2813 | static LIST_HEAD(mmc_test_file_test); |
2814 | ||
2815 | static int mtf_test_show(struct seq_file *sf, void *data) | |
88ae600d | 2816 | { |
130067ed | 2817 | struct mmc_card *card = (struct mmc_card *)sf->private; |
3183aa15 | 2818 | struct mmc_test_general_result *gr; |
3183aa15 | 2819 | |
88ae600d | 2820 | mutex_lock(&mmc_test_lock); |
3183aa15 AS |
2821 | |
2822 | list_for_each_entry(gr, &mmc_test_result, link) { | |
2823 | struct mmc_test_transfer_result *tr; | |
2824 | ||
2825 | if (gr->card != card) | |
2826 | continue; | |
2827 | ||
130067ed | 2828 | seq_printf(sf, "Test %d: %d\n", gr->testcase + 1, gr->result); |
3183aa15 AS |
2829 | |
2830 | list_for_each_entry(tr, &gr->tr_lst, link) { | |
b6056d12 | 2831 | seq_printf(sf, "%u %d %lu.%09lu %u %u.%02u\n", |
3183aa15 AS |
2832 | tr->count, tr->sectors, |
2833 | (unsigned long)tr->ts.tv_sec, | |
2834 | (unsigned long)tr->ts.tv_nsec, | |
b6056d12 | 2835 | tr->rate, tr->iops / 100, tr->iops % 100); |
3183aa15 AS |
2836 | } |
2837 | } | |
2838 | ||
88ae600d PO |
2839 | mutex_unlock(&mmc_test_lock); |
2840 | ||
130067ed | 2841 | return 0; |
88ae600d PO |
2842 | } |
2843 | ||
130067ed | 2844 | static int mtf_test_open(struct inode *inode, struct file *file) |
88ae600d | 2845 | { |
130067ed AS |
2846 | return single_open(file, mtf_test_show, inode->i_private); |
2847 | } | |
2848 | ||
2849 | static ssize_t mtf_test_write(struct file *file, const char __user *buf, | |
2850 | size_t count, loff_t *pos) | |
2851 | { | |
2852 | struct seq_file *sf = (struct seq_file *)file->private_data; | |
2853 | struct mmc_card *card = (struct mmc_card *)sf->private; | |
88ae600d | 2854 | struct mmc_test_card *test; |
5c25aee5 | 2855 | long testcase; |
4be7085f | 2856 | int ret; |
88ae600d | 2857 | |
4be7085f JH |
2858 | ret = kstrtol_from_user(buf, count, 10, &testcase); |
2859 | if (ret) | |
2860 | return ret; | |
fd8c326c | 2861 | |
88ae600d PO |
2862 | test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL); |
2863 | if (!test) | |
2864 | return -ENOMEM; | |
2865 | ||
3183aa15 AS |
2866 | /* |
2867 | * Remove all test cases associated with given card. Thus we have only | |
2868 | * actual data of the last run. | |
2869 | */ | |
2870 | mmc_test_free_result(card); | |
2871 | ||
88ae600d PO |
2872 | test->card = card; |
2873 | ||
2874 | test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); | |
2661081f PO |
2875 | #ifdef CONFIG_HIGHMEM |
2876 | test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); | |
2877 | #endif | |
2878 | ||
2879 | #ifdef CONFIG_HIGHMEM | |
2880 | if (test->buffer && test->highmem) { | |
2881 | #else | |
88ae600d | 2882 | if (test->buffer) { |
2661081f | 2883 | #endif |
88ae600d | 2884 | mutex_lock(&mmc_test_lock); |
fd8c326c | 2885 | mmc_test_run(test, testcase); |
88ae600d PO |
2886 | mutex_unlock(&mmc_test_lock); |
2887 | } | |
2888 | ||
2661081f PO |
2889 | #ifdef CONFIG_HIGHMEM |
2890 | __free_pages(test->highmem, BUFFER_ORDER); | |
2891 | #endif | |
88ae600d PO |
2892 | kfree(test->buffer); |
2893 | kfree(test); | |
2894 | ||
2895 | return count; | |
2896 | } | |
2897 | ||
130067ed AS |
2898 | static const struct file_operations mmc_test_fops_test = { |
2899 | .open = mtf_test_open, | |
2900 | .read = seq_read, | |
2901 | .write = mtf_test_write, | |
2902 | .llseek = seq_lseek, | |
2903 | .release = single_release, | |
2904 | }; | |
2905 | ||
54f3caf5 PF |
2906 | static int mtf_testlist_show(struct seq_file *sf, void *data) |
2907 | { | |
2908 | int i; | |
2909 | ||
2910 | mutex_lock(&mmc_test_lock); | |
2911 | ||
2912 | for (i = 0; i < ARRAY_SIZE(mmc_test_cases); i++) | |
2913 | seq_printf(sf, "%d:\t%s\n", i+1, mmc_test_cases[i].name); | |
2914 | ||
2915 | mutex_unlock(&mmc_test_lock); | |
2916 | ||
2917 | return 0; | |
2918 | } | |
2919 | ||
2920 | static int mtf_testlist_open(struct inode *inode, struct file *file) | |
2921 | { | |
2922 | return single_open(file, mtf_testlist_show, inode->i_private); | |
2923 | } | |
2924 | ||
2925 | static const struct file_operations mmc_test_fops_testlist = { | |
2926 | .open = mtf_testlist_open, | |
2927 | .read = seq_read, | |
2928 | .llseek = seq_lseek, | |
2929 | .release = single_release, | |
2930 | }; | |
2931 | ||
d5a5bd1c | 2932 | static void mmc_test_free_dbgfs_file(struct mmc_card *card) |
130067ed AS |
2933 | { |
2934 | struct mmc_test_dbgfs_file *df, *dfs; | |
2935 | ||
2936 | mutex_lock(&mmc_test_lock); | |
2937 | ||
2938 | list_for_each_entry_safe(df, dfs, &mmc_test_file_test, link) { | |
2939 | if (card && df->card != card) | |
2940 | continue; | |
2941 | debugfs_remove(df->file); | |
2942 | list_del(&df->link); | |
2943 | kfree(df); | |
2944 | } | |
2945 | ||
2946 | mutex_unlock(&mmc_test_lock); | |
2947 | } | |
2948 | ||
d5a5bd1c | 2949 | static int __mmc_test_register_dbgfs_file(struct mmc_card *card, |
f4ae40a6 | 2950 | const char *name, umode_t mode, const struct file_operations *fops) |
130067ed AS |
2951 | { |
2952 | struct dentry *file = NULL; | |
2953 | struct mmc_test_dbgfs_file *df; | |
54f3caf5 PF |
2954 | |
2955 | if (card->debugfs_root) | |
d5a5bd1c AS |
2956 | file = debugfs_create_file(name, mode, card->debugfs_root, |
2957 | card, fops); | |
54f3caf5 PF |
2958 | |
2959 | if (IS_ERR_OR_NULL(file)) { | |
2960 | dev_err(&card->dev, | |
d5a5bd1c AS |
2961 | "Can't create %s. Perhaps debugfs is disabled.\n", |
2962 | name); | |
2963 | return -ENODEV; | |
130067ed AS |
2964 | } |
2965 | ||
2966 | df = kmalloc(sizeof(struct mmc_test_dbgfs_file), GFP_KERNEL); | |
2967 | if (!df) { | |
2968 | debugfs_remove(file); | |
2969 | dev_err(&card->dev, | |
2970 | "Can't allocate memory for internal usage.\n"); | |
d5a5bd1c | 2971 | return -ENOMEM; |
130067ed AS |
2972 | } |
2973 | ||
2974 | df->card = card; | |
2975 | df->file = file; | |
2976 | ||
2977 | list_add(&df->link, &mmc_test_file_test); | |
d5a5bd1c AS |
2978 | return 0; |
2979 | } | |
2980 | ||
2981 | static int mmc_test_register_dbgfs_file(struct mmc_card *card) | |
2982 | { | |
2983 | int ret; | |
2984 | ||
2985 | mutex_lock(&mmc_test_lock); | |
2986 | ||
2987 | ret = __mmc_test_register_dbgfs_file(card, "test", S_IWUSR | S_IRUGO, | |
2988 | &mmc_test_fops_test); | |
2989 | if (ret) | |
2990 | goto err; | |
2991 | ||
2992 | ret = __mmc_test_register_dbgfs_file(card, "testlist", S_IRUGO, | |
2993 | &mmc_test_fops_testlist); | |
2994 | if (ret) | |
2995 | goto err; | |
130067ed AS |
2996 | |
2997 | err: | |
2998 | mutex_unlock(&mmc_test_lock); | |
2999 | ||
3000 | return ret; | |
3001 | } | |
88ae600d | 3002 | |
6685ac62 | 3003 | static int mmc_test_probe(struct device *dev) |
88ae600d | 3004 | { |
6685ac62 | 3005 | struct mmc_card *card = mmc_dev_to_card(dev); |
88ae600d PO |
3006 | int ret; |
3007 | ||
63be54ce | 3008 | if (!mmc_card_mmc(card) && !mmc_card_sd(card)) |
0121a982 PO |
3009 | return -ENODEV; |
3010 | ||
d5a5bd1c | 3011 | ret = mmc_test_register_dbgfs_file(card); |
88ae600d PO |
3012 | if (ret) |
3013 | return ret; | |
3014 | ||
60c9c7b1 PO |
3015 | dev_info(&card->dev, "Card claimed for testing.\n"); |
3016 | ||
88ae600d PO |
3017 | return 0; |
3018 | } | |
3019 | ||
6685ac62 | 3020 | static int mmc_test_remove(struct device *dev) |
88ae600d | 3021 | { |
6685ac62 UH |
3022 | struct mmc_card *card = mmc_dev_to_card(dev); |
3023 | ||
3183aa15 | 3024 | mmc_test_free_result(card); |
d5a5bd1c | 3025 | mmc_test_free_dbgfs_file(card); |
6685ac62 UH |
3026 | |
3027 | return 0; | |
88ae600d PO |
3028 | } |
3029 | ||
6685ac62 | 3030 | static void mmc_test_shutdown(struct device *dev) |
76287748 UH |
3031 | { |
3032 | } | |
3033 | ||
6685ac62 UH |
3034 | static struct device_driver mmc_driver = { |
3035 | .name = "mmc_test", | |
88ae600d PO |
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"); |