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Commit | Line | Data |
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88ae600d PO |
1 | /* |
2 | * linux/drivers/mmc/card/mmc_test.c | |
3 | * | |
0121a982 | 4 | * Copyright 2007-2008 Pierre Ossman |
88ae600d PO |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or (at | |
9 | * your option) any later version. | |
10 | */ | |
11 | ||
12 | #include <linux/mmc/core.h> | |
13 | #include <linux/mmc/card.h> | |
14 | #include <linux/mmc/host.h> | |
15 | #include <linux/mmc/mmc.h> | |
5a0e3ad6 | 16 | #include <linux/slab.h> |
88ae600d PO |
17 | |
18 | #include <linux/scatterlist.h> | |
fec4dcce | 19 | #include <linux/swap.h> /* For nr_free_buffer_pages() */ |
3183aa15 | 20 | #include <linux/list.h> |
88ae600d | 21 | |
130067ed AS |
22 | #include <linux/debugfs.h> |
23 | #include <linux/uaccess.h> | |
24 | #include <linux/seq_file.h> | |
25 | ||
88ae600d PO |
26 | #define RESULT_OK 0 |
27 | #define RESULT_FAIL 1 | |
28 | #define RESULT_UNSUP_HOST 2 | |
29 | #define RESULT_UNSUP_CARD 3 | |
30 | ||
2661081f PO |
31 | #define BUFFER_ORDER 2 |
32 | #define BUFFER_SIZE (PAGE_SIZE << BUFFER_ORDER) | |
88ae600d | 33 | |
fec4dcce AH |
34 | /* |
35 | * Limit the test area size to the maximum MMC HC erase group size. Note that | |
36 | * the maximum SD allocation unit size is just 4MiB. | |
37 | */ | |
38 | #define TEST_AREA_MAX_SIZE (128 * 1024 * 1024) | |
39 | ||
64f7120d AH |
40 | /** |
41 | * struct mmc_test_pages - pages allocated by 'alloc_pages()'. | |
42 | * @page: first page in the allocation | |
43 | * @order: order of the number of pages allocated | |
44 | */ | |
45 | struct mmc_test_pages { | |
46 | struct page *page; | |
47 | unsigned int order; | |
48 | }; | |
49 | ||
50 | /** | |
51 | * struct mmc_test_mem - allocated memory. | |
52 | * @arr: array of allocations | |
53 | * @cnt: number of allocations | |
54 | */ | |
55 | struct mmc_test_mem { | |
56 | struct mmc_test_pages *arr; | |
57 | unsigned int cnt; | |
58 | }; | |
59 | ||
60 | /** | |
61 | * struct mmc_test_area - information for performance tests. | |
64f7120d | 62 | * @max_sz: test area size (in bytes) |
fec4dcce | 63 | * @dev_addr: address on card at which to do performance tests |
c8c8c1bd AH |
64 | * @max_tfr: maximum transfer size allowed by driver (in bytes) |
65 | * @max_segs: maximum segments allowed by driver in scatterlist @sg | |
66 | * @max_seg_sz: maximum segment size allowed by driver | |
64f7120d AH |
67 | * @blocks: number of (512 byte) blocks currently mapped by @sg |
68 | * @sg_len: length of currently mapped scatterlist @sg | |
69 | * @mem: allocated memory | |
70 | * @sg: scatterlist | |
71 | */ | |
72 | struct mmc_test_area { | |
fec4dcce | 73 | unsigned long max_sz; |
64f7120d | 74 | unsigned int dev_addr; |
c8c8c1bd | 75 | unsigned int max_tfr; |
64f7120d | 76 | unsigned int max_segs; |
c8c8c1bd | 77 | unsigned int max_seg_sz; |
64f7120d AH |
78 | unsigned int blocks; |
79 | unsigned int sg_len; | |
80 | struct mmc_test_mem *mem; | |
81 | struct scatterlist *sg; | |
82 | }; | |
83 | ||
3183aa15 AS |
84 | /** |
85 | * struct mmc_test_transfer_result - transfer results for performance tests. | |
86 | * @link: double-linked list | |
87 | * @count: amount of group of sectors to check | |
88 | * @sectors: amount of sectors to check in one group | |
89 | * @ts: time values of transfer | |
90 | * @rate: calculated transfer rate | |
b6056d12 | 91 | * @iops: I/O operations per second (times 100) |
3183aa15 AS |
92 | */ |
93 | struct mmc_test_transfer_result { | |
94 | struct list_head link; | |
95 | unsigned int count; | |
96 | unsigned int sectors; | |
97 | struct timespec ts; | |
98 | unsigned int rate; | |
b6056d12 | 99 | unsigned int iops; |
3183aa15 AS |
100 | }; |
101 | ||
102 | /** | |
103 | * struct mmc_test_general_result - results for tests. | |
104 | * @link: double-linked list | |
105 | * @card: card under test | |
106 | * @testcase: number of test case | |
107 | * @result: result of test run | |
108 | * @tr_lst: transfer measurements if any as mmc_test_transfer_result | |
109 | */ | |
110 | struct mmc_test_general_result { | |
111 | struct list_head link; | |
112 | struct mmc_card *card; | |
113 | int testcase; | |
114 | int result; | |
115 | struct list_head tr_lst; | |
116 | }; | |
117 | ||
130067ed AS |
118 | /** |
119 | * struct mmc_test_dbgfs_file - debugfs related file. | |
120 | * @link: double-linked list | |
121 | * @card: card under test | |
122 | * @file: file created under debugfs | |
123 | */ | |
124 | struct mmc_test_dbgfs_file { | |
125 | struct list_head link; | |
126 | struct mmc_card *card; | |
127 | struct dentry *file; | |
128 | }; | |
129 | ||
64f7120d AH |
130 | /** |
131 | * struct mmc_test_card - test information. | |
132 | * @card: card under test | |
133 | * @scratch: transfer buffer | |
134 | * @buffer: transfer buffer | |
135 | * @highmem: buffer for highmem tests | |
136 | * @area: information for performance tests | |
3183aa15 | 137 | * @gr: pointer to results of current testcase |
64f7120d | 138 | */ |
88ae600d PO |
139 | struct mmc_test_card { |
140 | struct mmc_card *card; | |
141 | ||
6b174931 | 142 | u8 scratch[BUFFER_SIZE]; |
88ae600d | 143 | u8 *buffer; |
2661081f PO |
144 | #ifdef CONFIG_HIGHMEM |
145 | struct page *highmem; | |
146 | #endif | |
3183aa15 AS |
147 | struct mmc_test_area area; |
148 | struct mmc_test_general_result *gr; | |
88ae600d PO |
149 | }; |
150 | ||
151 | /*******************************************************************/ | |
6b174931 | 152 | /* General helper functions */ |
88ae600d PO |
153 | /*******************************************************************/ |
154 | ||
6b174931 PO |
155 | /* |
156 | * Configure correct block size in card | |
157 | */ | |
88ae600d PO |
158 | static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size) |
159 | { | |
0f8d8ea6 | 160 | return mmc_set_blocklen(test->card, size); |
88ae600d PO |
161 | } |
162 | ||
6b174931 PO |
163 | /* |
164 | * Fill in the mmc_request structure given a set of transfer parameters. | |
165 | */ | |
166 | static void mmc_test_prepare_mrq(struct mmc_test_card *test, | |
167 | struct mmc_request *mrq, struct scatterlist *sg, unsigned sg_len, | |
168 | unsigned dev_addr, unsigned blocks, unsigned blksz, int write) | |
88ae600d | 169 | { |
6b174931 | 170 | BUG_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop); |
88ae600d | 171 | |
6b174931 PO |
172 | if (blocks > 1) { |
173 | mrq->cmd->opcode = write ? | |
174 | MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK; | |
88ae600d | 175 | } else { |
6b174931 PO |
176 | mrq->cmd->opcode = write ? |
177 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
88ae600d PO |
178 | } |
179 | ||
6b174931 | 180 | mrq->cmd->arg = dev_addr; |
c286d03c JK |
181 | if (!mmc_card_blockaddr(test->card)) |
182 | mrq->cmd->arg <<= 9; | |
183 | ||
6b174931 | 184 | mrq->cmd->flags = MMC_RSP_R1 | MMC_CMD_ADTC; |
88ae600d | 185 | |
6b174931 PO |
186 | if (blocks == 1) |
187 | mrq->stop = NULL; | |
188 | else { | |
189 | mrq->stop->opcode = MMC_STOP_TRANSMISSION; | |
190 | mrq->stop->arg = 0; | |
191 | mrq->stop->flags = MMC_RSP_R1B | MMC_CMD_AC; | |
88ae600d PO |
192 | } |
193 | ||
6b174931 PO |
194 | mrq->data->blksz = blksz; |
195 | mrq->data->blocks = blocks; | |
196 | mrq->data->flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; | |
197 | mrq->data->sg = sg; | |
198 | mrq->data->sg_len = sg_len; | |
88ae600d | 199 | |
6b174931 PO |
200 | mmc_set_data_timeout(mrq->data, test->card); |
201 | } | |
88ae600d | 202 | |
64f7120d AH |
203 | static int mmc_test_busy(struct mmc_command *cmd) |
204 | { | |
205 | return !(cmd->resp[0] & R1_READY_FOR_DATA) || | |
206 | (R1_CURRENT_STATE(cmd->resp[0]) == 7); | |
207 | } | |
208 | ||
6b174931 PO |
209 | /* |
210 | * Wait for the card to finish the busy state | |
211 | */ | |
212 | static int mmc_test_wait_busy(struct mmc_test_card *test) | |
213 | { | |
214 | int ret, busy; | |
215 | struct mmc_command cmd; | |
88ae600d PO |
216 | |
217 | busy = 0; | |
218 | do { | |
88ae600d PO |
219 | memset(&cmd, 0, sizeof(struct mmc_command)); |
220 | ||
221 | cmd.opcode = MMC_SEND_STATUS; | |
222 | cmd.arg = test->card->rca << 16; | |
223 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; | |
224 | ||
6b174931 PO |
225 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); |
226 | if (ret) | |
88ae600d PO |
227 | break; |
228 | ||
64f7120d | 229 | if (!busy && mmc_test_busy(&cmd)) { |
88ae600d | 230 | busy = 1; |
54d6b44a PM |
231 | if (test->card->host->caps & MMC_CAP_WAIT_WHILE_BUSY) |
232 | printk(KERN_INFO "%s: Warning: Host did not " | |
233 | "wait for busy state to end.\n", | |
234 | mmc_hostname(test->card->host)); | |
88ae600d | 235 | } |
64f7120d | 236 | } while (mmc_test_busy(&cmd)); |
88ae600d PO |
237 | |
238 | return ret; | |
239 | } | |
240 | ||
6b174931 PO |
241 | /* |
242 | * Transfer a single sector of kernel addressable data | |
243 | */ | |
244 | static int mmc_test_buffer_transfer(struct mmc_test_card *test, | |
245 | u8 *buffer, unsigned addr, unsigned blksz, int write) | |
88ae600d | 246 | { |
6b174931 PO |
247 | int ret; |
248 | ||
249 | struct mmc_request mrq; | |
250 | struct mmc_command cmd; | |
251 | struct mmc_command stop; | |
252 | struct mmc_data data; | |
253 | ||
254 | struct scatterlist sg; | |
255 | ||
256 | memset(&mrq, 0, sizeof(struct mmc_request)); | |
257 | memset(&cmd, 0, sizeof(struct mmc_command)); | |
258 | memset(&data, 0, sizeof(struct mmc_data)); | |
259 | memset(&stop, 0, sizeof(struct mmc_command)); | |
260 | ||
261 | mrq.cmd = &cmd; | |
262 | mrq.data = &data; | |
263 | mrq.stop = &stop; | |
264 | ||
265 | sg_init_one(&sg, buffer, blksz); | |
266 | ||
267 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write); | |
268 | ||
269 | mmc_wait_for_req(test->card->host, &mrq); | |
270 | ||
271 | if (cmd.error) | |
272 | return cmd.error; | |
273 | if (data.error) | |
274 | return data.error; | |
275 | ||
276 | ret = mmc_test_wait_busy(test); | |
277 | if (ret) | |
278 | return ret; | |
279 | ||
280 | return 0; | |
88ae600d PO |
281 | } |
282 | ||
64f7120d AH |
283 | static void mmc_test_free_mem(struct mmc_test_mem *mem) |
284 | { | |
285 | if (!mem) | |
286 | return; | |
287 | while (mem->cnt--) | |
288 | __free_pages(mem->arr[mem->cnt].page, | |
289 | mem->arr[mem->cnt].order); | |
290 | kfree(mem->arr); | |
291 | kfree(mem); | |
292 | } | |
293 | ||
294 | /* | |
25985edc | 295 | * Allocate a lot of memory, preferably max_sz but at least min_sz. In case |
c8c8c1bd AH |
296 | * there isn't much memory do not exceed 1/16th total lowmem pages. Also do |
297 | * not exceed a maximum number of segments and try not to make segments much | |
298 | * bigger than maximum segment size. | |
64f7120d | 299 | */ |
fec4dcce | 300 | static struct mmc_test_mem *mmc_test_alloc_mem(unsigned long min_sz, |
c8c8c1bd AH |
301 | unsigned long max_sz, |
302 | unsigned int max_segs, | |
303 | unsigned int max_seg_sz) | |
64f7120d | 304 | { |
fec4dcce AH |
305 | unsigned long max_page_cnt = DIV_ROUND_UP(max_sz, PAGE_SIZE); |
306 | unsigned long min_page_cnt = DIV_ROUND_UP(min_sz, PAGE_SIZE); | |
c8c8c1bd | 307 | unsigned long max_seg_page_cnt = DIV_ROUND_UP(max_seg_sz, PAGE_SIZE); |
fec4dcce AH |
308 | unsigned long page_cnt = 0; |
309 | unsigned long limit = nr_free_buffer_pages() >> 4; | |
64f7120d | 310 | struct mmc_test_mem *mem; |
64f7120d | 311 | |
fec4dcce AH |
312 | if (max_page_cnt > limit) |
313 | max_page_cnt = limit; | |
3d203be8 AH |
314 | if (min_page_cnt > max_page_cnt) |
315 | min_page_cnt = max_page_cnt; | |
64f7120d | 316 | |
c8c8c1bd AH |
317 | if (max_seg_page_cnt > max_page_cnt) |
318 | max_seg_page_cnt = max_page_cnt; | |
319 | ||
320 | if (max_segs > max_page_cnt) | |
321 | max_segs = max_page_cnt; | |
322 | ||
64f7120d AH |
323 | mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL); |
324 | if (!mem) | |
325 | return NULL; | |
326 | ||
c8c8c1bd | 327 | mem->arr = kzalloc(sizeof(struct mmc_test_pages) * max_segs, |
64f7120d AH |
328 | GFP_KERNEL); |
329 | if (!mem->arr) | |
330 | goto out_free; | |
331 | ||
332 | while (max_page_cnt) { | |
333 | struct page *page; | |
334 | unsigned int order; | |
335 | gfp_t flags = GFP_KERNEL | GFP_DMA | __GFP_NOWARN | | |
336 | __GFP_NORETRY; | |
337 | ||
c8c8c1bd | 338 | order = get_order(max_seg_page_cnt << PAGE_SHIFT); |
64f7120d AH |
339 | while (1) { |
340 | page = alloc_pages(flags, order); | |
341 | if (page || !order) | |
342 | break; | |
343 | order -= 1; | |
344 | } | |
345 | if (!page) { | |
346 | if (page_cnt < min_page_cnt) | |
347 | goto out_free; | |
348 | break; | |
349 | } | |
350 | mem->arr[mem->cnt].page = page; | |
351 | mem->arr[mem->cnt].order = order; | |
352 | mem->cnt += 1; | |
fec4dcce AH |
353 | if (max_page_cnt <= (1UL << order)) |
354 | break; | |
3d203be8 AH |
355 | max_page_cnt -= 1UL << order; |
356 | page_cnt += 1UL << order; | |
c8c8c1bd AH |
357 | if (mem->cnt >= max_segs) { |
358 | if (page_cnt < min_page_cnt) | |
359 | goto out_free; | |
360 | break; | |
361 | } | |
64f7120d AH |
362 | } |
363 | ||
364 | return mem; | |
365 | ||
366 | out_free: | |
367 | mmc_test_free_mem(mem); | |
368 | return NULL; | |
369 | } | |
370 | ||
371 | /* | |
372 | * Map memory into a scatterlist. Optionally allow the same memory to be | |
373 | * mapped more than once. | |
374 | */ | |
fec4dcce | 375 | static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long sz, |
64f7120d | 376 | struct scatterlist *sglist, int repeat, |
c8c8c1bd AH |
377 | unsigned int max_segs, unsigned int max_seg_sz, |
378 | unsigned int *sg_len) | |
64f7120d AH |
379 | { |
380 | struct scatterlist *sg = NULL; | |
381 | unsigned int i; | |
382 | ||
383 | sg_init_table(sglist, max_segs); | |
384 | ||
385 | *sg_len = 0; | |
386 | do { | |
387 | for (i = 0; i < mem->cnt; i++) { | |
fec4dcce | 388 | unsigned long len = PAGE_SIZE << mem->arr[i].order; |
64f7120d | 389 | |
c8c8c1bd | 390 | if (len > sz) |
64f7120d | 391 | len = sz; |
c8c8c1bd AH |
392 | if (len > max_seg_sz) |
393 | len = max_seg_sz; | |
64f7120d AH |
394 | if (sg) |
395 | sg = sg_next(sg); | |
396 | else | |
397 | sg = sglist; | |
398 | if (!sg) | |
399 | return -EINVAL; | |
400 | sg_set_page(sg, mem->arr[i].page, len, 0); | |
401 | sz -= len; | |
402 | *sg_len += 1; | |
403 | if (!sz) | |
404 | break; | |
405 | } | |
406 | } while (sz && repeat); | |
407 | ||
408 | if (sz) | |
409 | return -EINVAL; | |
410 | ||
411 | if (sg) | |
412 | sg_mark_end(sg); | |
413 | ||
414 | return 0; | |
415 | } | |
416 | ||
417 | /* | |
418 | * Map memory into a scatterlist so that no pages are contiguous. Allow the | |
419 | * same memory to be mapped more than once. | |
420 | */ | |
421 | static int mmc_test_map_sg_max_scatter(struct mmc_test_mem *mem, | |
fec4dcce | 422 | unsigned long sz, |
64f7120d AH |
423 | struct scatterlist *sglist, |
424 | unsigned int max_segs, | |
c8c8c1bd | 425 | unsigned int max_seg_sz, |
64f7120d AH |
426 | unsigned int *sg_len) |
427 | { | |
428 | struct scatterlist *sg = NULL; | |
fec4dcce AH |
429 | unsigned int i = mem->cnt, cnt; |
430 | unsigned long len; | |
64f7120d AH |
431 | void *base, *addr, *last_addr = NULL; |
432 | ||
433 | sg_init_table(sglist, max_segs); | |
434 | ||
435 | *sg_len = 0; | |
c8c8c1bd | 436 | while (sz) { |
64f7120d AH |
437 | base = page_address(mem->arr[--i].page); |
438 | cnt = 1 << mem->arr[i].order; | |
439 | while (sz && cnt) { | |
440 | addr = base + PAGE_SIZE * --cnt; | |
441 | if (last_addr && last_addr + PAGE_SIZE == addr) | |
442 | continue; | |
443 | last_addr = addr; | |
444 | len = PAGE_SIZE; | |
c8c8c1bd AH |
445 | if (len > max_seg_sz) |
446 | len = max_seg_sz; | |
447 | if (len > sz) | |
64f7120d AH |
448 | len = sz; |
449 | if (sg) | |
450 | sg = sg_next(sg); | |
451 | else | |
452 | sg = sglist; | |
453 | if (!sg) | |
454 | return -EINVAL; | |
455 | sg_set_page(sg, virt_to_page(addr), len, 0); | |
456 | sz -= len; | |
457 | *sg_len += 1; | |
458 | } | |
c8c8c1bd AH |
459 | if (i == 0) |
460 | i = mem->cnt; | |
64f7120d AH |
461 | } |
462 | ||
463 | if (sg) | |
464 | sg_mark_end(sg); | |
465 | ||
466 | return 0; | |
467 | } | |
468 | ||
469 | /* | |
470 | * Calculate transfer rate in bytes per second. | |
471 | */ | |
472 | static unsigned int mmc_test_rate(uint64_t bytes, struct timespec *ts) | |
473 | { | |
474 | uint64_t ns; | |
475 | ||
476 | ns = ts->tv_sec; | |
477 | ns *= 1000000000; | |
478 | ns += ts->tv_nsec; | |
479 | ||
480 | bytes *= 1000000000; | |
481 | ||
482 | while (ns > UINT_MAX) { | |
483 | bytes >>= 1; | |
484 | ns >>= 1; | |
485 | } | |
486 | ||
487 | if (!ns) | |
488 | return 0; | |
489 | ||
490 | do_div(bytes, (uint32_t)ns); | |
491 | ||
492 | return bytes; | |
493 | } | |
494 | ||
3183aa15 AS |
495 | /* |
496 | * Save transfer results for future usage | |
497 | */ | |
498 | static void mmc_test_save_transfer_result(struct mmc_test_card *test, | |
499 | unsigned int count, unsigned int sectors, struct timespec ts, | |
b6056d12 | 500 | unsigned int rate, unsigned int iops) |
3183aa15 AS |
501 | { |
502 | struct mmc_test_transfer_result *tr; | |
503 | ||
504 | if (!test->gr) | |
505 | return; | |
506 | ||
507 | tr = kmalloc(sizeof(struct mmc_test_transfer_result), GFP_KERNEL); | |
508 | if (!tr) | |
509 | return; | |
510 | ||
511 | tr->count = count; | |
512 | tr->sectors = sectors; | |
513 | tr->ts = ts; | |
514 | tr->rate = rate; | |
b6056d12 | 515 | tr->iops = iops; |
3183aa15 AS |
516 | |
517 | list_add_tail(&tr->link, &test->gr->tr_lst); | |
518 | } | |
519 | ||
64f7120d AH |
520 | /* |
521 | * Print the transfer rate. | |
522 | */ | |
523 | static void mmc_test_print_rate(struct mmc_test_card *test, uint64_t bytes, | |
524 | struct timespec *ts1, struct timespec *ts2) | |
525 | { | |
b6056d12 | 526 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
527 | struct timespec ts; |
528 | ||
529 | ts = timespec_sub(*ts2, *ts1); | |
530 | ||
531 | rate = mmc_test_rate(bytes, &ts); | |
b6056d12 | 532 | iops = mmc_test_rate(100, &ts); /* I/O ops per sec x 100 */ |
64f7120d AH |
533 | |
534 | printk(KERN_INFO "%s: Transfer of %u sectors (%u%s KiB) took %lu.%09lu " | |
b6056d12 | 535 | "seconds (%u kB/s, %u KiB/s, %u.%02u IOPS)\n", |
64f7120d | 536 | mmc_hostname(test->card->host), sectors, sectors >> 1, |
c27d37ae | 537 | (sectors & 1 ? ".5" : ""), (unsigned long)ts.tv_sec, |
b6056d12 AH |
538 | (unsigned long)ts.tv_nsec, rate / 1000, rate / 1024, |
539 | iops / 100, iops % 100); | |
3183aa15 | 540 | |
b6056d12 | 541 | mmc_test_save_transfer_result(test, 1, sectors, ts, rate, iops); |
64f7120d AH |
542 | } |
543 | ||
544 | /* | |
545 | * Print the average transfer rate. | |
546 | */ | |
547 | static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, | |
548 | unsigned int count, struct timespec *ts1, | |
549 | struct timespec *ts2) | |
550 | { | |
b6056d12 | 551 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
552 | uint64_t tot = bytes * count; |
553 | struct timespec ts; | |
554 | ||
555 | ts = timespec_sub(*ts2, *ts1); | |
556 | ||
557 | rate = mmc_test_rate(tot, &ts); | |
b6056d12 | 558 | iops = mmc_test_rate(count * 100, &ts); /* I/O ops per sec x 100 */ |
64f7120d AH |
559 | |
560 | printk(KERN_INFO "%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " | |
b6056d12 AH |
561 | "%lu.%09lu seconds (%u kB/s, %u KiB/s, " |
562 | "%u.%02u IOPS)\n", | |
64f7120d | 563 | mmc_hostname(test->card->host), count, sectors, count, |
c27d37ae | 564 | sectors >> 1, (sectors & 1 ? ".5" : ""), |
64f7120d | 565 | (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, |
b6056d12 | 566 | rate / 1000, rate / 1024, iops / 100, iops % 100); |
3183aa15 | 567 | |
b6056d12 | 568 | mmc_test_save_transfer_result(test, count, sectors, ts, rate, iops); |
64f7120d AH |
569 | } |
570 | ||
571 | /* | |
572 | * Return the card size in sectors. | |
573 | */ | |
574 | static unsigned int mmc_test_capacity(struct mmc_card *card) | |
575 | { | |
576 | if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) | |
577 | return card->ext_csd.sectors; | |
578 | else | |
579 | return card->csd.capacity << (card->csd.read_blkbits - 9); | |
580 | } | |
581 | ||
6b174931 PO |
582 | /*******************************************************************/ |
583 | /* Test preparation and cleanup */ | |
584 | /*******************************************************************/ | |
585 | ||
586 | /* | |
587 | * Fill the first couple of sectors of the card with known data | |
588 | * so that bad reads/writes can be detected | |
589 | */ | |
590 | static int __mmc_test_prepare(struct mmc_test_card *test, int write) | |
88ae600d PO |
591 | { |
592 | int ret, i; | |
593 | ||
594 | ret = mmc_test_set_blksize(test, 512); | |
595 | if (ret) | |
596 | return ret; | |
597 | ||
598 | if (write) | |
6b174931 | 599 | memset(test->buffer, 0xDF, 512); |
88ae600d | 600 | else { |
6b174931 | 601 | for (i = 0;i < 512;i++) |
88ae600d PO |
602 | test->buffer[i] = i; |
603 | } | |
604 | ||
605 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 606 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
88ae600d PO |
607 | if (ret) |
608 | return ret; | |
609 | } | |
610 | ||
611 | return 0; | |
612 | } | |
613 | ||
6b174931 PO |
614 | static int mmc_test_prepare_write(struct mmc_test_card *test) |
615 | { | |
616 | return __mmc_test_prepare(test, 1); | |
617 | } | |
618 | ||
619 | static int mmc_test_prepare_read(struct mmc_test_card *test) | |
620 | { | |
621 | return __mmc_test_prepare(test, 0); | |
622 | } | |
623 | ||
624 | static int mmc_test_cleanup(struct mmc_test_card *test) | |
625 | { | |
626 | int ret, i; | |
627 | ||
628 | ret = mmc_test_set_blksize(test, 512); | |
629 | if (ret) | |
630 | return ret; | |
631 | ||
632 | memset(test->buffer, 0, 512); | |
633 | ||
634 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 635 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
6b174931 PO |
636 | if (ret) |
637 | return ret; | |
638 | } | |
639 | ||
640 | return 0; | |
641 | } | |
642 | ||
643 | /*******************************************************************/ | |
644 | /* Test execution helpers */ | |
645 | /*******************************************************************/ | |
646 | ||
647 | /* | |
648 | * Modifies the mmc_request to perform the "short transfer" tests | |
649 | */ | |
650 | static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, | |
651 | struct mmc_request *mrq, int write) | |
652 | { | |
653 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
654 | ||
655 | if (mrq->data->blocks > 1) { | |
656 | mrq->cmd->opcode = write ? | |
657 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
658 | mrq->stop = NULL; | |
659 | } else { | |
660 | mrq->cmd->opcode = MMC_SEND_STATUS; | |
661 | mrq->cmd->arg = test->card->rca << 16; | |
662 | } | |
663 | } | |
664 | ||
665 | /* | |
666 | * Checks that a normal transfer didn't have any errors | |
667 | */ | |
668 | static int mmc_test_check_result(struct mmc_test_card *test, | |
669 | struct mmc_request *mrq) | |
88ae600d | 670 | { |
6b174931 PO |
671 | int ret; |
672 | ||
673 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
674 | ||
675 | ret = 0; | |
676 | ||
677 | if (!ret && mrq->cmd->error) | |
678 | ret = mrq->cmd->error; | |
679 | if (!ret && mrq->data->error) | |
680 | ret = mrq->data->error; | |
681 | if (!ret && mrq->stop && mrq->stop->error) | |
682 | ret = mrq->stop->error; | |
683 | if (!ret && mrq->data->bytes_xfered != | |
684 | mrq->data->blocks * mrq->data->blksz) | |
685 | ret = RESULT_FAIL; | |
686 | ||
687 | if (ret == -EINVAL) | |
688 | ret = RESULT_UNSUP_HOST; | |
689 | ||
690 | return ret; | |
88ae600d PO |
691 | } |
692 | ||
6b174931 PO |
693 | /* |
694 | * Checks that a "short transfer" behaved as expected | |
695 | */ | |
696 | static int mmc_test_check_broken_result(struct mmc_test_card *test, | |
697 | struct mmc_request *mrq) | |
88ae600d | 698 | { |
6b174931 PO |
699 | int ret; |
700 | ||
701 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
702 | ||
703 | ret = 0; | |
704 | ||
705 | if (!ret && mrq->cmd->error) | |
706 | ret = mrq->cmd->error; | |
707 | if (!ret && mrq->data->error == 0) | |
708 | ret = RESULT_FAIL; | |
709 | if (!ret && mrq->data->error != -ETIMEDOUT) | |
710 | ret = mrq->data->error; | |
711 | if (!ret && mrq->stop && mrq->stop->error) | |
712 | ret = mrq->stop->error; | |
713 | if (mrq->data->blocks > 1) { | |
714 | if (!ret && mrq->data->bytes_xfered > mrq->data->blksz) | |
715 | ret = RESULT_FAIL; | |
716 | } else { | |
717 | if (!ret && mrq->data->bytes_xfered > 0) | |
718 | ret = RESULT_FAIL; | |
719 | } | |
720 | ||
721 | if (ret == -EINVAL) | |
722 | ret = RESULT_UNSUP_HOST; | |
723 | ||
724 | return ret; | |
88ae600d PO |
725 | } |
726 | ||
6b174931 PO |
727 | /* |
728 | * Tests a basic transfer with certain parameters | |
729 | */ | |
730 | static int mmc_test_simple_transfer(struct mmc_test_card *test, | |
731 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
732 | unsigned blocks, unsigned blksz, int write) | |
88ae600d | 733 | { |
6b174931 PO |
734 | struct mmc_request mrq; |
735 | struct mmc_command cmd; | |
736 | struct mmc_command stop; | |
737 | struct mmc_data data; | |
88ae600d | 738 | |
6b174931 PO |
739 | memset(&mrq, 0, sizeof(struct mmc_request)); |
740 | memset(&cmd, 0, sizeof(struct mmc_command)); | |
741 | memset(&data, 0, sizeof(struct mmc_data)); | |
742 | memset(&stop, 0, sizeof(struct mmc_command)); | |
743 | ||
744 | mrq.cmd = &cmd; | |
745 | mrq.data = &data; | |
746 | mrq.stop = &stop; | |
747 | ||
748 | mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr, | |
749 | blocks, blksz, write); | |
750 | ||
751 | mmc_wait_for_req(test->card->host, &mrq); | |
88ae600d | 752 | |
6b174931 PO |
753 | mmc_test_wait_busy(test); |
754 | ||
755 | return mmc_test_check_result(test, &mrq); | |
756 | } | |
757 | ||
758 | /* | |
759 | * Tests a transfer where the card will fail completely or partly | |
760 | */ | |
761 | static int mmc_test_broken_transfer(struct mmc_test_card *test, | |
762 | unsigned blocks, unsigned blksz, int write) | |
763 | { | |
764 | struct mmc_request mrq; | |
765 | struct mmc_command cmd; | |
766 | struct mmc_command stop; | |
767 | struct mmc_data data; | |
768 | ||
769 | struct scatterlist sg; | |
770 | ||
771 | memset(&mrq, 0, sizeof(struct mmc_request)); | |
772 | memset(&cmd, 0, sizeof(struct mmc_command)); | |
773 | memset(&data, 0, sizeof(struct mmc_data)); | |
774 | memset(&stop, 0, sizeof(struct mmc_command)); | |
775 | ||
776 | mrq.cmd = &cmd; | |
777 | mrq.data = &data; | |
778 | mrq.stop = &stop; | |
779 | ||
780 | sg_init_one(&sg, test->buffer, blocks * blksz); | |
781 | ||
782 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write); | |
783 | mmc_test_prepare_broken_mrq(test, &mrq, write); | |
784 | ||
785 | mmc_wait_for_req(test->card->host, &mrq); | |
786 | ||
787 | mmc_test_wait_busy(test); | |
788 | ||
789 | return mmc_test_check_broken_result(test, &mrq); | |
790 | } | |
791 | ||
792 | /* | |
793 | * Does a complete transfer test where data is also validated | |
794 | * | |
795 | * Note: mmc_test_prepare() must have been done before this call | |
796 | */ | |
797 | static int mmc_test_transfer(struct mmc_test_card *test, | |
798 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
799 | unsigned blocks, unsigned blksz, int write) | |
800 | { | |
801 | int ret, i; | |
802 | unsigned long flags; | |
88ae600d PO |
803 | |
804 | if (write) { | |
805 | for (i = 0;i < blocks * blksz;i++) | |
6b174931 PO |
806 | test->scratch[i] = i; |
807 | } else { | |
b7ac2cf1 | 808 | memset(test->scratch, 0, BUFFER_SIZE); |
88ae600d | 809 | } |
6b174931 | 810 | local_irq_save(flags); |
b7ac2cf1 | 811 | sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 812 | local_irq_restore(flags); |
88ae600d PO |
813 | |
814 | ret = mmc_test_set_blksize(test, blksz); | |
815 | if (ret) | |
816 | return ret; | |
817 | ||
6b174931 PO |
818 | ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr, |
819 | blocks, blksz, write); | |
88ae600d PO |
820 | if (ret) |
821 | return ret; | |
822 | ||
823 | if (write) { | |
6b174931 PO |
824 | int sectors; |
825 | ||
88ae600d PO |
826 | ret = mmc_test_set_blksize(test, 512); |
827 | if (ret) | |
828 | return ret; | |
829 | ||
830 | sectors = (blocks * blksz + 511) / 512; | |
831 | if ((sectors * 512) == (blocks * blksz)) | |
832 | sectors++; | |
833 | ||
834 | if ((sectors * 512) > BUFFER_SIZE) | |
835 | return -EINVAL; | |
836 | ||
837 | memset(test->buffer, 0, sectors * 512); | |
838 | ||
839 | for (i = 0;i < sectors;i++) { | |
6b174931 | 840 | ret = mmc_test_buffer_transfer(test, |
88ae600d | 841 | test->buffer + i * 512, |
c286d03c | 842 | dev_addr + i, 512, 0); |
88ae600d PO |
843 | if (ret) |
844 | return ret; | |
845 | } | |
846 | ||
847 | for (i = 0;i < blocks * blksz;i++) { | |
848 | if (test->buffer[i] != (u8)i) | |
849 | return RESULT_FAIL; | |
850 | } | |
851 | ||
852 | for (;i < sectors * 512;i++) { | |
853 | if (test->buffer[i] != 0xDF) | |
854 | return RESULT_FAIL; | |
855 | } | |
856 | } else { | |
6b174931 | 857 | local_irq_save(flags); |
b7ac2cf1 | 858 | sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 859 | local_irq_restore(flags); |
88ae600d | 860 | for (i = 0;i < blocks * blksz;i++) { |
6b174931 | 861 | if (test->scratch[i] != (u8)i) |
88ae600d PO |
862 | return RESULT_FAIL; |
863 | } | |
864 | } | |
865 | ||
866 | return 0; | |
867 | } | |
868 | ||
88ae600d PO |
869 | /*******************************************************************/ |
870 | /* Tests */ | |
871 | /*******************************************************************/ | |
872 | ||
873 | struct mmc_test_case { | |
874 | const char *name; | |
875 | ||
876 | int (*prepare)(struct mmc_test_card *); | |
877 | int (*run)(struct mmc_test_card *); | |
878 | int (*cleanup)(struct mmc_test_card *); | |
879 | }; | |
880 | ||
881 | static int mmc_test_basic_write(struct mmc_test_card *test) | |
882 | { | |
883 | int ret; | |
6b174931 | 884 | struct scatterlist sg; |
88ae600d PO |
885 | |
886 | ret = mmc_test_set_blksize(test, 512); | |
887 | if (ret) | |
888 | return ret; | |
889 | ||
6b174931 PO |
890 | sg_init_one(&sg, test->buffer, 512); |
891 | ||
892 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
893 | if (ret) |
894 | return ret; | |
895 | ||
896 | return 0; | |
897 | } | |
898 | ||
899 | static int mmc_test_basic_read(struct mmc_test_card *test) | |
900 | { | |
901 | int ret; | |
6b174931 | 902 | struct scatterlist sg; |
88ae600d PO |
903 | |
904 | ret = mmc_test_set_blksize(test, 512); | |
905 | if (ret) | |
906 | return ret; | |
907 | ||
6b174931 PO |
908 | sg_init_one(&sg, test->buffer, 512); |
909 | ||
58a5dd3e | 910 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
911 | if (ret) |
912 | return ret; | |
913 | ||
914 | return 0; | |
915 | } | |
916 | ||
917 | static int mmc_test_verify_write(struct mmc_test_card *test) | |
918 | { | |
919 | int ret; | |
6b174931 PO |
920 | struct scatterlist sg; |
921 | ||
922 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 923 | |
6b174931 | 924 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
88ae600d PO |
925 | if (ret) |
926 | return ret; | |
927 | ||
928 | return 0; | |
929 | } | |
930 | ||
931 | static int mmc_test_verify_read(struct mmc_test_card *test) | |
932 | { | |
933 | int ret; | |
6b174931 PO |
934 | struct scatterlist sg; |
935 | ||
936 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 937 | |
6b174931 | 938 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
939 | if (ret) |
940 | return ret; | |
941 | ||
942 | return 0; | |
943 | } | |
944 | ||
945 | static int mmc_test_multi_write(struct mmc_test_card *test) | |
946 | { | |
947 | int ret; | |
948 | unsigned int size; | |
6b174931 | 949 | struct scatterlist sg; |
88ae600d PO |
950 | |
951 | if (test->card->host->max_blk_count == 1) | |
952 | return RESULT_UNSUP_HOST; | |
953 | ||
954 | size = PAGE_SIZE * 2; | |
955 | size = min(size, test->card->host->max_req_size); | |
956 | size = min(size, test->card->host->max_seg_size); | |
957 | size = min(size, test->card->host->max_blk_count * 512); | |
958 | ||
959 | if (size < 1024) | |
960 | return RESULT_UNSUP_HOST; | |
961 | ||
6b174931 PO |
962 | sg_init_one(&sg, test->buffer, size); |
963 | ||
964 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
965 | if (ret) |
966 | return ret; | |
967 | ||
968 | return 0; | |
969 | } | |
970 | ||
971 | static int mmc_test_multi_read(struct mmc_test_card *test) | |
972 | { | |
973 | int ret; | |
974 | unsigned int size; | |
6b174931 | 975 | struct scatterlist sg; |
88ae600d PO |
976 | |
977 | if (test->card->host->max_blk_count == 1) | |
978 | return RESULT_UNSUP_HOST; | |
979 | ||
980 | size = PAGE_SIZE * 2; | |
981 | size = min(size, test->card->host->max_req_size); | |
982 | size = min(size, test->card->host->max_seg_size); | |
983 | size = min(size, test->card->host->max_blk_count * 512); | |
984 | ||
985 | if (size < 1024) | |
986 | return RESULT_UNSUP_HOST; | |
987 | ||
6b174931 PO |
988 | sg_init_one(&sg, test->buffer, size); |
989 | ||
990 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
991 | if (ret) |
992 | return ret; | |
993 | ||
994 | return 0; | |
995 | } | |
996 | ||
997 | static int mmc_test_pow2_write(struct mmc_test_card *test) | |
998 | { | |
999 | int ret, i; | |
6b174931 | 1000 | struct scatterlist sg; |
88ae600d PO |
1001 | |
1002 | if (!test->card->csd.write_partial) | |
1003 | return RESULT_UNSUP_CARD; | |
1004 | ||
1005 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1006 | sg_init_one(&sg, test->buffer, i); |
1007 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1008 | if (ret) |
1009 | return ret; | |
1010 | } | |
1011 | ||
1012 | return 0; | |
1013 | } | |
1014 | ||
1015 | static int mmc_test_pow2_read(struct mmc_test_card *test) | |
1016 | { | |
1017 | int ret, i; | |
6b174931 | 1018 | struct scatterlist sg; |
88ae600d PO |
1019 | |
1020 | if (!test->card->csd.read_partial) | |
1021 | return RESULT_UNSUP_CARD; | |
1022 | ||
1023 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1024 | sg_init_one(&sg, test->buffer, i); |
1025 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1026 | if (ret) |
1027 | return ret; | |
1028 | } | |
1029 | ||
1030 | return 0; | |
1031 | } | |
1032 | ||
1033 | static int mmc_test_weird_write(struct mmc_test_card *test) | |
1034 | { | |
1035 | int ret, i; | |
6b174931 | 1036 | struct scatterlist sg; |
88ae600d PO |
1037 | |
1038 | if (!test->card->csd.write_partial) | |
1039 | return RESULT_UNSUP_CARD; | |
1040 | ||
1041 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1042 | sg_init_one(&sg, test->buffer, i); |
1043 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1044 | if (ret) |
1045 | return ret; | |
1046 | } | |
1047 | ||
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | static int mmc_test_weird_read(struct mmc_test_card *test) | |
1052 | { | |
1053 | int ret, i; | |
6b174931 | 1054 | struct scatterlist sg; |
88ae600d PO |
1055 | |
1056 | if (!test->card->csd.read_partial) | |
1057 | return RESULT_UNSUP_CARD; | |
1058 | ||
1059 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1060 | sg_init_one(&sg, test->buffer, i); |
1061 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1062 | if (ret) |
1063 | return ret; | |
1064 | } | |
1065 | ||
1066 | return 0; | |
1067 | } | |
1068 | ||
1069 | static int mmc_test_align_write(struct mmc_test_card *test) | |
1070 | { | |
1071 | int ret, i; | |
6b174931 | 1072 | struct scatterlist sg; |
88ae600d PO |
1073 | |
1074 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1075 | sg_init_one(&sg, test->buffer + i, 512); |
1076 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
1077 | if (ret) |
1078 | return ret; | |
1079 | } | |
1080 | ||
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | static int mmc_test_align_read(struct mmc_test_card *test) | |
1085 | { | |
1086 | int ret, i; | |
6b174931 | 1087 | struct scatterlist sg; |
88ae600d PO |
1088 | |
1089 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1090 | sg_init_one(&sg, test->buffer + i, 512); |
1091 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
88ae600d PO |
1092 | if (ret) |
1093 | return ret; | |
1094 | } | |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | static int mmc_test_align_multi_write(struct mmc_test_card *test) | |
1100 | { | |
1101 | int ret, i; | |
1102 | unsigned int size; | |
6b174931 | 1103 | struct scatterlist sg; |
88ae600d PO |
1104 | |
1105 | if (test->card->host->max_blk_count == 1) | |
1106 | return RESULT_UNSUP_HOST; | |
1107 | ||
1108 | size = PAGE_SIZE * 2; | |
1109 | size = min(size, test->card->host->max_req_size); | |
1110 | size = min(size, test->card->host->max_seg_size); | |
1111 | size = min(size, test->card->host->max_blk_count * 512); | |
1112 | ||
1113 | if (size < 1024) | |
1114 | return RESULT_UNSUP_HOST; | |
1115 | ||
1116 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1117 | sg_init_one(&sg, test->buffer + i, size); |
1118 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1119 | if (ret) |
1120 | return ret; | |
1121 | } | |
1122 | ||
1123 | return 0; | |
1124 | } | |
1125 | ||
1126 | static int mmc_test_align_multi_read(struct mmc_test_card *test) | |
1127 | { | |
1128 | int ret, i; | |
1129 | unsigned int size; | |
6b174931 | 1130 | struct scatterlist sg; |
88ae600d PO |
1131 | |
1132 | if (test->card->host->max_blk_count == 1) | |
1133 | return RESULT_UNSUP_HOST; | |
1134 | ||
1135 | size = PAGE_SIZE * 2; | |
1136 | size = min(size, test->card->host->max_req_size); | |
1137 | size = min(size, test->card->host->max_seg_size); | |
1138 | size = min(size, test->card->host->max_blk_count * 512); | |
1139 | ||
1140 | if (size < 1024) | |
1141 | return RESULT_UNSUP_HOST; | |
1142 | ||
1143 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1144 | sg_init_one(&sg, test->buffer + i, size); |
1145 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1146 | if (ret) |
1147 | return ret; | |
1148 | } | |
1149 | ||
1150 | return 0; | |
1151 | } | |
1152 | ||
1153 | static int mmc_test_xfersize_write(struct mmc_test_card *test) | |
1154 | { | |
1155 | int ret; | |
1156 | ||
1157 | ret = mmc_test_set_blksize(test, 512); | |
1158 | if (ret) | |
1159 | return ret; | |
1160 | ||
6b174931 | 1161 | ret = mmc_test_broken_transfer(test, 1, 512, 1); |
88ae600d PO |
1162 | if (ret) |
1163 | return ret; | |
1164 | ||
1165 | return 0; | |
1166 | } | |
1167 | ||
1168 | static int mmc_test_xfersize_read(struct mmc_test_card *test) | |
1169 | { | |
1170 | int ret; | |
1171 | ||
1172 | ret = mmc_test_set_blksize(test, 512); | |
1173 | if (ret) | |
1174 | return ret; | |
1175 | ||
6b174931 | 1176 | ret = mmc_test_broken_transfer(test, 1, 512, 0); |
88ae600d PO |
1177 | if (ret) |
1178 | return ret; | |
1179 | ||
1180 | return 0; | |
1181 | } | |
1182 | ||
1183 | static int mmc_test_multi_xfersize_write(struct mmc_test_card *test) | |
1184 | { | |
1185 | int ret; | |
1186 | ||
1187 | if (test->card->host->max_blk_count == 1) | |
1188 | return RESULT_UNSUP_HOST; | |
1189 | ||
1190 | ret = mmc_test_set_blksize(test, 512); | |
1191 | if (ret) | |
1192 | return ret; | |
1193 | ||
6b174931 | 1194 | ret = mmc_test_broken_transfer(test, 2, 512, 1); |
88ae600d PO |
1195 | if (ret) |
1196 | return ret; | |
1197 | ||
1198 | return 0; | |
1199 | } | |
1200 | ||
1201 | static int mmc_test_multi_xfersize_read(struct mmc_test_card *test) | |
1202 | { | |
1203 | int ret; | |
1204 | ||
1205 | if (test->card->host->max_blk_count == 1) | |
1206 | return RESULT_UNSUP_HOST; | |
1207 | ||
1208 | ret = mmc_test_set_blksize(test, 512); | |
1209 | if (ret) | |
1210 | return ret; | |
1211 | ||
6b174931 | 1212 | ret = mmc_test_broken_transfer(test, 2, 512, 0); |
88ae600d PO |
1213 | if (ret) |
1214 | return ret; | |
1215 | ||
1216 | return 0; | |
1217 | } | |
1218 | ||
2661081f PO |
1219 | #ifdef CONFIG_HIGHMEM |
1220 | ||
1221 | static int mmc_test_write_high(struct mmc_test_card *test) | |
1222 | { | |
1223 | int ret; | |
1224 | struct scatterlist sg; | |
1225 | ||
1226 | sg_init_table(&sg, 1); | |
1227 | sg_set_page(&sg, test->highmem, 512, 0); | |
1228 | ||
1229 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
1230 | if (ret) | |
1231 | return ret; | |
1232 | ||
1233 | return 0; | |
1234 | } | |
1235 | ||
1236 | static int mmc_test_read_high(struct mmc_test_card *test) | |
1237 | { | |
1238 | int ret; | |
1239 | struct scatterlist sg; | |
1240 | ||
1241 | sg_init_table(&sg, 1); | |
1242 | sg_set_page(&sg, test->highmem, 512, 0); | |
1243 | ||
1244 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
1245 | if (ret) | |
1246 | return ret; | |
1247 | ||
1248 | return 0; | |
1249 | } | |
1250 | ||
1251 | static int mmc_test_multi_write_high(struct mmc_test_card *test) | |
1252 | { | |
1253 | int ret; | |
1254 | unsigned int size; | |
1255 | struct scatterlist sg; | |
1256 | ||
1257 | if (test->card->host->max_blk_count == 1) | |
1258 | return RESULT_UNSUP_HOST; | |
1259 | ||
1260 | size = PAGE_SIZE * 2; | |
1261 | size = min(size, test->card->host->max_req_size); | |
1262 | size = min(size, test->card->host->max_seg_size); | |
1263 | size = min(size, test->card->host->max_blk_count * 512); | |
1264 | ||
1265 | if (size < 1024) | |
1266 | return RESULT_UNSUP_HOST; | |
1267 | ||
1268 | sg_init_table(&sg, 1); | |
1269 | sg_set_page(&sg, test->highmem, size, 0); | |
1270 | ||
1271 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
1272 | if (ret) | |
1273 | return ret; | |
1274 | ||
1275 | return 0; | |
1276 | } | |
1277 | ||
1278 | static int mmc_test_multi_read_high(struct mmc_test_card *test) | |
1279 | { | |
1280 | int ret; | |
1281 | unsigned int size; | |
1282 | struct scatterlist sg; | |
1283 | ||
1284 | if (test->card->host->max_blk_count == 1) | |
1285 | return RESULT_UNSUP_HOST; | |
1286 | ||
1287 | size = PAGE_SIZE * 2; | |
1288 | size = min(size, test->card->host->max_req_size); | |
1289 | size = min(size, test->card->host->max_seg_size); | |
1290 | size = min(size, test->card->host->max_blk_count * 512); | |
1291 | ||
1292 | if (size < 1024) | |
1293 | return RESULT_UNSUP_HOST; | |
1294 | ||
1295 | sg_init_table(&sg, 1); | |
1296 | sg_set_page(&sg, test->highmem, size, 0); | |
1297 | ||
1298 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
1299 | if (ret) | |
1300 | return ret; | |
1301 | ||
1302 | return 0; | |
1303 | } | |
1304 | ||
64f7120d AH |
1305 | #else |
1306 | ||
1307 | static int mmc_test_no_highmem(struct mmc_test_card *test) | |
1308 | { | |
1309 | printk(KERN_INFO "%s: Highmem not configured - test skipped\n", | |
1310 | mmc_hostname(test->card->host)); | |
1311 | return 0; | |
1312 | } | |
1313 | ||
2661081f PO |
1314 | #endif /* CONFIG_HIGHMEM */ |
1315 | ||
64f7120d AH |
1316 | /* |
1317 | * Map sz bytes so that it can be transferred. | |
1318 | */ | |
fec4dcce | 1319 | static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, |
64f7120d AH |
1320 | int max_scatter) |
1321 | { | |
1322 | struct mmc_test_area *t = &test->area; | |
c8c8c1bd | 1323 | int err; |
64f7120d AH |
1324 | |
1325 | t->blocks = sz >> 9; | |
1326 | ||
1327 | if (max_scatter) { | |
c8c8c1bd AH |
1328 | err = mmc_test_map_sg_max_scatter(t->mem, sz, t->sg, |
1329 | t->max_segs, t->max_seg_sz, | |
64f7120d | 1330 | &t->sg_len); |
c8c8c1bd AH |
1331 | } else { |
1332 | err = mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, | |
1333 | t->max_seg_sz, &t->sg_len); | |
64f7120d | 1334 | } |
c8c8c1bd AH |
1335 | if (err) |
1336 | printk(KERN_INFO "%s: Failed to map sg list\n", | |
1337 | mmc_hostname(test->card->host)); | |
1338 | return err; | |
64f7120d AH |
1339 | } |
1340 | ||
1341 | /* | |
1342 | * Transfer bytes mapped by mmc_test_area_map(). | |
1343 | */ | |
1344 | static int mmc_test_area_transfer(struct mmc_test_card *test, | |
1345 | unsigned int dev_addr, int write) | |
1346 | { | |
1347 | struct mmc_test_area *t = &test->area; | |
1348 | ||
1349 | return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr, | |
1350 | t->blocks, 512, write); | |
1351 | } | |
1352 | ||
1353 | /* | |
1354 | * Map and transfer bytes. | |
1355 | */ | |
fec4dcce | 1356 | static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, |
64f7120d AH |
1357 | unsigned int dev_addr, int write, int max_scatter, |
1358 | int timed) | |
1359 | { | |
1360 | struct timespec ts1, ts2; | |
1361 | int ret; | |
1362 | ||
c8c8c1bd AH |
1363 | /* |
1364 | * In the case of a maximally scattered transfer, the maximum transfer | |
1365 | * size is further limited by using PAGE_SIZE segments. | |
1366 | */ | |
1367 | if (max_scatter) { | |
1368 | struct mmc_test_area *t = &test->area; | |
1369 | unsigned long max_tfr; | |
1370 | ||
1371 | if (t->max_seg_sz >= PAGE_SIZE) | |
1372 | max_tfr = t->max_segs * PAGE_SIZE; | |
1373 | else | |
1374 | max_tfr = t->max_segs * t->max_seg_sz; | |
1375 | if (sz > max_tfr) | |
1376 | sz = max_tfr; | |
1377 | } | |
1378 | ||
64f7120d AH |
1379 | ret = mmc_test_area_map(test, sz, max_scatter); |
1380 | if (ret) | |
1381 | return ret; | |
1382 | ||
1383 | if (timed) | |
1384 | getnstimeofday(&ts1); | |
1385 | ||
1386 | ret = mmc_test_area_transfer(test, dev_addr, write); | |
1387 | if (ret) | |
1388 | return ret; | |
1389 | ||
1390 | if (timed) | |
1391 | getnstimeofday(&ts2); | |
1392 | ||
1393 | if (timed) | |
1394 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1395 | ||
1396 | return 0; | |
1397 | } | |
1398 | ||
1399 | /* | |
1400 | * Write the test area entirely. | |
1401 | */ | |
1402 | static int mmc_test_area_fill(struct mmc_test_card *test) | |
1403 | { | |
c8c8c1bd | 1404 | return mmc_test_area_io(test, test->area.max_tfr, test->area.dev_addr, |
64f7120d AH |
1405 | 1, 0, 0); |
1406 | } | |
1407 | ||
1408 | /* | |
1409 | * Erase the test area entirely. | |
1410 | */ | |
1411 | static int mmc_test_area_erase(struct mmc_test_card *test) | |
1412 | { | |
1413 | struct mmc_test_area *t = &test->area; | |
1414 | ||
1415 | if (!mmc_can_erase(test->card)) | |
1416 | return 0; | |
1417 | ||
1418 | return mmc_erase(test->card, t->dev_addr, test->area.max_sz >> 9, | |
1419 | MMC_ERASE_ARG); | |
1420 | } | |
1421 | ||
1422 | /* | |
1423 | * Cleanup struct mmc_test_area. | |
1424 | */ | |
1425 | static int mmc_test_area_cleanup(struct mmc_test_card *test) | |
1426 | { | |
1427 | struct mmc_test_area *t = &test->area; | |
1428 | ||
1429 | kfree(t->sg); | |
1430 | mmc_test_free_mem(t->mem); | |
1431 | ||
1432 | return 0; | |
1433 | } | |
1434 | ||
1435 | /* | |
0532ff63 AH |
1436 | * Initialize an area for testing large transfers. The test area is set to the |
1437 | * middle of the card because cards may have different charateristics at the | |
1438 | * front (for FAT file system optimization). Optionally, the area is erased | |
1439 | * (if the card supports it) which may improve write performance. Optionally, | |
1440 | * the area is filled with data for subsequent read tests. | |
64f7120d AH |
1441 | */ |
1442 | static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill) | |
1443 | { | |
1444 | struct mmc_test_area *t = &test->area; | |
0532ff63 | 1445 | unsigned long min_sz = 64 * 1024, sz; |
64f7120d AH |
1446 | int ret; |
1447 | ||
1448 | ret = mmc_test_set_blksize(test, 512); | |
1449 | if (ret) | |
1450 | return ret; | |
1451 | ||
0532ff63 AH |
1452 | /* Make the test area size about 4MiB */ |
1453 | sz = (unsigned long)test->card->pref_erase << 9; | |
1454 | t->max_sz = sz; | |
1455 | while (t->max_sz < 4 * 1024 * 1024) | |
1456 | t->max_sz += sz; | |
1457 | while (t->max_sz > TEST_AREA_MAX_SIZE && t->max_sz > sz) | |
1458 | t->max_sz -= sz; | |
c8c8c1bd AH |
1459 | |
1460 | t->max_segs = test->card->host->max_segs; | |
1461 | t->max_seg_sz = test->card->host->max_seg_size; | |
1462 | ||
1463 | t->max_tfr = t->max_sz; | |
1464 | if (t->max_tfr >> 9 > test->card->host->max_blk_count) | |
1465 | t->max_tfr = test->card->host->max_blk_count << 9; | |
1466 | if (t->max_tfr > test->card->host->max_req_size) | |
1467 | t->max_tfr = test->card->host->max_req_size; | |
1468 | if (t->max_tfr / t->max_seg_sz > t->max_segs) | |
1469 | t->max_tfr = t->max_segs * t->max_seg_sz; | |
1470 | ||
64f7120d | 1471 | /* |
3d203be8 | 1472 | * Try to allocate enough memory for a max. sized transfer. Less is OK |
64f7120d | 1473 | * because the same memory can be mapped into the scatterlist more than |
c8c8c1bd AH |
1474 | * once. Also, take into account the limits imposed on scatterlist |
1475 | * segments by the host driver. | |
64f7120d | 1476 | */ |
3d203be8 | 1477 | t->mem = mmc_test_alloc_mem(min_sz, t->max_tfr, t->max_segs, |
c8c8c1bd | 1478 | t->max_seg_sz); |
64f7120d AH |
1479 | if (!t->mem) |
1480 | return -ENOMEM; | |
1481 | ||
64f7120d AH |
1482 | t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL); |
1483 | if (!t->sg) { | |
1484 | ret = -ENOMEM; | |
1485 | goto out_free; | |
1486 | } | |
1487 | ||
1488 | t->dev_addr = mmc_test_capacity(test->card) / 2; | |
1489 | t->dev_addr -= t->dev_addr % (t->max_sz >> 9); | |
1490 | ||
1491 | if (erase) { | |
1492 | ret = mmc_test_area_erase(test); | |
1493 | if (ret) | |
1494 | goto out_free; | |
1495 | } | |
1496 | ||
1497 | if (fill) { | |
1498 | ret = mmc_test_area_fill(test); | |
1499 | if (ret) | |
1500 | goto out_free; | |
1501 | } | |
1502 | ||
1503 | return 0; | |
1504 | ||
1505 | out_free: | |
1506 | mmc_test_area_cleanup(test); | |
1507 | return ret; | |
1508 | } | |
1509 | ||
1510 | /* | |
1511 | * Prepare for large transfers. Do not erase the test area. | |
1512 | */ | |
1513 | static int mmc_test_area_prepare(struct mmc_test_card *test) | |
1514 | { | |
1515 | return mmc_test_area_init(test, 0, 0); | |
1516 | } | |
1517 | ||
1518 | /* | |
1519 | * Prepare for large transfers. Do erase the test area. | |
1520 | */ | |
1521 | static int mmc_test_area_prepare_erase(struct mmc_test_card *test) | |
1522 | { | |
1523 | return mmc_test_area_init(test, 1, 0); | |
1524 | } | |
1525 | ||
1526 | /* | |
1527 | * Prepare for large transfers. Erase and fill the test area. | |
1528 | */ | |
1529 | static int mmc_test_area_prepare_fill(struct mmc_test_card *test) | |
1530 | { | |
1531 | return mmc_test_area_init(test, 1, 1); | |
1532 | } | |
1533 | ||
1534 | /* | |
1535 | * Test best-case performance. Best-case performance is expected from | |
1536 | * a single large transfer. | |
1537 | * | |
1538 | * An additional option (max_scatter) allows the measurement of the same | |
1539 | * transfer but with no contiguous pages in the scatter list. This tests | |
1540 | * the efficiency of DMA to handle scattered pages. | |
1541 | */ | |
1542 | static int mmc_test_best_performance(struct mmc_test_card *test, int write, | |
1543 | int max_scatter) | |
1544 | { | |
c8c8c1bd | 1545 | return mmc_test_area_io(test, test->area.max_tfr, test->area.dev_addr, |
64f7120d AH |
1546 | write, max_scatter, 1); |
1547 | } | |
1548 | ||
1549 | /* | |
1550 | * Best-case read performance. | |
1551 | */ | |
1552 | static int mmc_test_best_read_performance(struct mmc_test_card *test) | |
1553 | { | |
1554 | return mmc_test_best_performance(test, 0, 0); | |
1555 | } | |
1556 | ||
1557 | /* | |
1558 | * Best-case write performance. | |
1559 | */ | |
1560 | static int mmc_test_best_write_performance(struct mmc_test_card *test) | |
1561 | { | |
1562 | return mmc_test_best_performance(test, 1, 0); | |
1563 | } | |
1564 | ||
1565 | /* | |
1566 | * Best-case read performance into scattered pages. | |
1567 | */ | |
1568 | static int mmc_test_best_read_perf_max_scatter(struct mmc_test_card *test) | |
1569 | { | |
1570 | return mmc_test_best_performance(test, 0, 1); | |
1571 | } | |
1572 | ||
1573 | /* | |
1574 | * Best-case write performance from scattered pages. | |
1575 | */ | |
1576 | static int mmc_test_best_write_perf_max_scatter(struct mmc_test_card *test) | |
1577 | { | |
1578 | return mmc_test_best_performance(test, 1, 1); | |
1579 | } | |
1580 | ||
1581 | /* | |
1582 | * Single read performance by transfer size. | |
1583 | */ | |
1584 | static int mmc_test_profile_read_perf(struct mmc_test_card *test) | |
1585 | { | |
fec4dcce AH |
1586 | unsigned long sz; |
1587 | unsigned int dev_addr; | |
64f7120d AH |
1588 | int ret; |
1589 | ||
c8c8c1bd | 1590 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
64f7120d AH |
1591 | dev_addr = test->area.dev_addr + (sz >> 9); |
1592 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); | |
1593 | if (ret) | |
1594 | return ret; | |
1595 | } | |
c8c8c1bd | 1596 | sz = test->area.max_tfr; |
64f7120d AH |
1597 | dev_addr = test->area.dev_addr; |
1598 | return mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); | |
1599 | } | |
1600 | ||
1601 | /* | |
1602 | * Single write performance by transfer size. | |
1603 | */ | |
1604 | static int mmc_test_profile_write_perf(struct mmc_test_card *test) | |
1605 | { | |
fec4dcce AH |
1606 | unsigned long sz; |
1607 | unsigned int dev_addr; | |
64f7120d AH |
1608 | int ret; |
1609 | ||
1610 | ret = mmc_test_area_erase(test); | |
1611 | if (ret) | |
1612 | return ret; | |
c8c8c1bd | 1613 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
64f7120d AH |
1614 | dev_addr = test->area.dev_addr + (sz >> 9); |
1615 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); | |
1616 | if (ret) | |
1617 | return ret; | |
1618 | } | |
1619 | ret = mmc_test_area_erase(test); | |
1620 | if (ret) | |
1621 | return ret; | |
c8c8c1bd | 1622 | sz = test->area.max_tfr; |
64f7120d AH |
1623 | dev_addr = test->area.dev_addr; |
1624 | return mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); | |
1625 | } | |
1626 | ||
1627 | /* | |
1628 | * Single trim performance by transfer size. | |
1629 | */ | |
1630 | static int mmc_test_profile_trim_perf(struct mmc_test_card *test) | |
1631 | { | |
fec4dcce AH |
1632 | unsigned long sz; |
1633 | unsigned int dev_addr; | |
64f7120d AH |
1634 | struct timespec ts1, ts2; |
1635 | int ret; | |
1636 | ||
1637 | if (!mmc_can_trim(test->card)) | |
1638 | return RESULT_UNSUP_CARD; | |
1639 | ||
1640 | if (!mmc_can_erase(test->card)) | |
1641 | return RESULT_UNSUP_HOST; | |
1642 | ||
1643 | for (sz = 512; sz < test->area.max_sz; sz <<= 1) { | |
1644 | dev_addr = test->area.dev_addr + (sz >> 9); | |
1645 | getnstimeofday(&ts1); | |
1646 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1647 | if (ret) | |
1648 | return ret; | |
1649 | getnstimeofday(&ts2); | |
1650 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1651 | } | |
1652 | dev_addr = test->area.dev_addr; | |
1653 | getnstimeofday(&ts1); | |
1654 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1655 | if (ret) | |
1656 | return ret; | |
1657 | getnstimeofday(&ts2); | |
1658 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1659 | return 0; | |
1660 | } | |
1661 | ||
c8c8c1bd AH |
1662 | static int mmc_test_seq_read_perf(struct mmc_test_card *test, unsigned long sz) |
1663 | { | |
1664 | unsigned int dev_addr, i, cnt; | |
1665 | struct timespec ts1, ts2; | |
1666 | int ret; | |
1667 | ||
1668 | cnt = test->area.max_sz / sz; | |
1669 | dev_addr = test->area.dev_addr; | |
1670 | getnstimeofday(&ts1); | |
1671 | for (i = 0; i < cnt; i++) { | |
1672 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 0); | |
1673 | if (ret) | |
1674 | return ret; | |
1675 | dev_addr += (sz >> 9); | |
1676 | } | |
1677 | getnstimeofday(&ts2); | |
1678 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1679 | return 0; | |
1680 | } | |
1681 | ||
64f7120d AH |
1682 | /* |
1683 | * Consecutive read performance by transfer size. | |
1684 | */ | |
1685 | static int mmc_test_profile_seq_read_perf(struct mmc_test_card *test) | |
1686 | { | |
fec4dcce | 1687 | unsigned long sz; |
c8c8c1bd AH |
1688 | int ret; |
1689 | ||
1690 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { | |
1691 | ret = mmc_test_seq_read_perf(test, sz); | |
1692 | if (ret) | |
1693 | return ret; | |
1694 | } | |
1695 | sz = test->area.max_tfr; | |
1696 | return mmc_test_seq_read_perf(test, sz); | |
1697 | } | |
1698 | ||
1699 | static int mmc_test_seq_write_perf(struct mmc_test_card *test, unsigned long sz) | |
1700 | { | |
fec4dcce | 1701 | unsigned int dev_addr, i, cnt; |
64f7120d AH |
1702 | struct timespec ts1, ts2; |
1703 | int ret; | |
1704 | ||
c8c8c1bd AH |
1705 | ret = mmc_test_area_erase(test); |
1706 | if (ret) | |
1707 | return ret; | |
1708 | cnt = test->area.max_sz / sz; | |
1709 | dev_addr = test->area.dev_addr; | |
1710 | getnstimeofday(&ts1); | |
1711 | for (i = 0; i < cnt; i++) { | |
1712 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 0); | |
1713 | if (ret) | |
1714 | return ret; | |
1715 | dev_addr += (sz >> 9); | |
64f7120d | 1716 | } |
c8c8c1bd AH |
1717 | getnstimeofday(&ts2); |
1718 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
64f7120d AH |
1719 | return 0; |
1720 | } | |
1721 | ||
1722 | /* | |
1723 | * Consecutive write performance by transfer size. | |
1724 | */ | |
1725 | static int mmc_test_profile_seq_write_perf(struct mmc_test_card *test) | |
1726 | { | |
fec4dcce | 1727 | unsigned long sz; |
64f7120d AH |
1728 | int ret; |
1729 | ||
c8c8c1bd AH |
1730 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
1731 | ret = mmc_test_seq_write_perf(test, sz); | |
64f7120d AH |
1732 | if (ret) |
1733 | return ret; | |
64f7120d | 1734 | } |
c8c8c1bd AH |
1735 | sz = test->area.max_tfr; |
1736 | return mmc_test_seq_write_perf(test, sz); | |
64f7120d AH |
1737 | } |
1738 | ||
1739 | /* | |
1740 | * Consecutive trim performance by transfer size. | |
1741 | */ | |
1742 | static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test) | |
1743 | { | |
fec4dcce AH |
1744 | unsigned long sz; |
1745 | unsigned int dev_addr, i, cnt; | |
64f7120d AH |
1746 | struct timespec ts1, ts2; |
1747 | int ret; | |
1748 | ||
1749 | if (!mmc_can_trim(test->card)) | |
1750 | return RESULT_UNSUP_CARD; | |
1751 | ||
1752 | if (!mmc_can_erase(test->card)) | |
1753 | return RESULT_UNSUP_HOST; | |
1754 | ||
1755 | for (sz = 512; sz <= test->area.max_sz; sz <<= 1) { | |
1756 | ret = mmc_test_area_erase(test); | |
1757 | if (ret) | |
1758 | return ret; | |
1759 | ret = mmc_test_area_fill(test); | |
1760 | if (ret) | |
1761 | return ret; | |
1762 | cnt = test->area.max_sz / sz; | |
1763 | dev_addr = test->area.dev_addr; | |
1764 | getnstimeofday(&ts1); | |
1765 | for (i = 0; i < cnt; i++) { | |
1766 | ret = mmc_erase(test->card, dev_addr, sz >> 9, | |
1767 | MMC_TRIM_ARG); | |
1768 | if (ret) | |
1769 | return ret; | |
1770 | dev_addr += (sz >> 9); | |
1771 | } | |
1772 | getnstimeofday(&ts2); | |
1773 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1774 | } | |
1775 | return 0; | |
1776 | } | |
1777 | ||
b6056d12 AH |
1778 | static unsigned int rnd_next = 1; |
1779 | ||
1780 | static unsigned int mmc_test_rnd_num(unsigned int rnd_cnt) | |
1781 | { | |
1782 | uint64_t r; | |
1783 | ||
1784 | rnd_next = rnd_next * 1103515245 + 12345; | |
1785 | r = (rnd_next >> 16) & 0x7fff; | |
1786 | return (r * rnd_cnt) >> 15; | |
1787 | } | |
1788 | ||
1789 | static int mmc_test_rnd_perf(struct mmc_test_card *test, int write, int print, | |
1790 | unsigned long sz) | |
1791 | { | |
1792 | unsigned int dev_addr, cnt, rnd_addr, range1, range2, last_ea = 0, ea; | |
1793 | unsigned int ssz; | |
1794 | struct timespec ts1, ts2, ts; | |
1795 | int ret; | |
1796 | ||
1797 | ssz = sz >> 9; | |
1798 | ||
1799 | rnd_addr = mmc_test_capacity(test->card) / 4; | |
1800 | range1 = rnd_addr / test->card->pref_erase; | |
1801 | range2 = range1 / ssz; | |
1802 | ||
1803 | getnstimeofday(&ts1); | |
1804 | for (cnt = 0; cnt < UINT_MAX; cnt++) { | |
1805 | getnstimeofday(&ts2); | |
1806 | ts = timespec_sub(ts2, ts1); | |
1807 | if (ts.tv_sec >= 10) | |
1808 | break; | |
1809 | ea = mmc_test_rnd_num(range1); | |
1810 | if (ea == last_ea) | |
1811 | ea -= 1; | |
1812 | last_ea = ea; | |
1813 | dev_addr = rnd_addr + test->card->pref_erase * ea + | |
1814 | ssz * mmc_test_rnd_num(range2); | |
1815 | ret = mmc_test_area_io(test, sz, dev_addr, write, 0, 0); | |
1816 | if (ret) | |
1817 | return ret; | |
1818 | } | |
1819 | if (print) | |
1820 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1821 | return 0; | |
1822 | } | |
1823 | ||
1824 | static int mmc_test_random_perf(struct mmc_test_card *test, int write) | |
1825 | { | |
1826 | unsigned int next; | |
1827 | unsigned long sz; | |
1828 | int ret; | |
1829 | ||
1830 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { | |
1831 | /* | |
1832 | * When writing, try to get more consistent results by running | |
1833 | * the test twice with exactly the same I/O but outputting the | |
1834 | * results only for the 2nd run. | |
1835 | */ | |
1836 | if (write) { | |
1837 | next = rnd_next; | |
1838 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1839 | if (ret) | |
1840 | return ret; | |
1841 | rnd_next = next; | |
1842 | } | |
1843 | ret = mmc_test_rnd_perf(test, write, 1, sz); | |
1844 | if (ret) | |
1845 | return ret; | |
1846 | } | |
1847 | sz = test->area.max_tfr; | |
1848 | if (write) { | |
1849 | next = rnd_next; | |
1850 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1851 | if (ret) | |
1852 | return ret; | |
1853 | rnd_next = next; | |
1854 | } | |
1855 | return mmc_test_rnd_perf(test, write, 1, sz); | |
1856 | } | |
1857 | ||
1858 | /* | |
1859 | * Random read performance by transfer size. | |
1860 | */ | |
1861 | static int mmc_test_random_read_perf(struct mmc_test_card *test) | |
1862 | { | |
1863 | return mmc_test_random_perf(test, 0); | |
1864 | } | |
1865 | ||
1866 | /* | |
1867 | * Random write performance by transfer size. | |
1868 | */ | |
1869 | static int mmc_test_random_write_perf(struct mmc_test_card *test) | |
1870 | { | |
1871 | return mmc_test_random_perf(test, 1); | |
1872 | } | |
1873 | ||
a803d551 AH |
1874 | static int mmc_test_seq_perf(struct mmc_test_card *test, int write, |
1875 | unsigned int tot_sz, int max_scatter) | |
1876 | { | |
1877 | unsigned int dev_addr, i, cnt, sz, ssz; | |
5a8fba52 | 1878 | struct timespec ts1, ts2; |
a803d551 AH |
1879 | int ret; |
1880 | ||
1881 | sz = test->area.max_tfr; | |
1882 | /* | |
1883 | * In the case of a maximally scattered transfer, the maximum transfer | |
1884 | * size is further limited by using PAGE_SIZE segments. | |
1885 | */ | |
1886 | if (max_scatter) { | |
1887 | struct mmc_test_area *t = &test->area; | |
1888 | unsigned long max_tfr; | |
1889 | ||
1890 | if (t->max_seg_sz >= PAGE_SIZE) | |
1891 | max_tfr = t->max_segs * PAGE_SIZE; | |
1892 | else | |
1893 | max_tfr = t->max_segs * t->max_seg_sz; | |
1894 | if (sz > max_tfr) | |
1895 | sz = max_tfr; | |
1896 | } | |
1897 | ||
1898 | ssz = sz >> 9; | |
1899 | dev_addr = mmc_test_capacity(test->card) / 4; | |
1900 | if (tot_sz > dev_addr << 9) | |
1901 | tot_sz = dev_addr << 9; | |
1902 | cnt = tot_sz / sz; | |
1903 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ | |
1904 | ||
1905 | getnstimeofday(&ts1); | |
1906 | for (i = 0; i < cnt; i++) { | |
1907 | ret = mmc_test_area_io(test, sz, dev_addr, write, | |
1908 | max_scatter, 0); | |
1909 | if (ret) | |
1910 | return ret; | |
1911 | dev_addr += ssz; | |
1912 | } | |
1913 | getnstimeofday(&ts2); | |
1914 | ||
a803d551 AH |
1915 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
1916 | ||
1917 | return 0; | |
1918 | } | |
1919 | ||
1920 | static int mmc_test_large_seq_perf(struct mmc_test_card *test, int write) | |
1921 | { | |
1922 | int ret, i; | |
1923 | ||
1924 | for (i = 0; i < 10; i++) { | |
1925 | ret = mmc_test_seq_perf(test, write, 10 * 1024 * 1024, 1); | |
1926 | if (ret) | |
1927 | return ret; | |
1928 | } | |
1929 | for (i = 0; i < 5; i++) { | |
1930 | ret = mmc_test_seq_perf(test, write, 100 * 1024 * 1024, 1); | |
1931 | if (ret) | |
1932 | return ret; | |
1933 | } | |
1934 | for (i = 0; i < 3; i++) { | |
1935 | ret = mmc_test_seq_perf(test, write, 1000 * 1024 * 1024, 1); | |
1936 | if (ret) | |
1937 | return ret; | |
1938 | } | |
1939 | ||
1940 | return ret; | |
1941 | } | |
1942 | ||
1943 | /* | |
1944 | * Large sequential read performance. | |
1945 | */ | |
1946 | static int mmc_test_large_seq_read_perf(struct mmc_test_card *test) | |
1947 | { | |
1948 | return mmc_test_large_seq_perf(test, 0); | |
1949 | } | |
1950 | ||
1951 | /* | |
1952 | * Large sequential write performance. | |
1953 | */ | |
1954 | static int mmc_test_large_seq_write_perf(struct mmc_test_card *test) | |
1955 | { | |
1956 | return mmc_test_large_seq_perf(test, 1); | |
1957 | } | |
1958 | ||
88ae600d PO |
1959 | static const struct mmc_test_case mmc_test_cases[] = { |
1960 | { | |
1961 | .name = "Basic write (no data verification)", | |
1962 | .run = mmc_test_basic_write, | |
1963 | }, | |
1964 | ||
1965 | { | |
1966 | .name = "Basic read (no data verification)", | |
1967 | .run = mmc_test_basic_read, | |
1968 | }, | |
1969 | ||
1970 | { | |
1971 | .name = "Basic write (with data verification)", | |
6b174931 | 1972 | .prepare = mmc_test_prepare_write, |
88ae600d | 1973 | .run = mmc_test_verify_write, |
6b174931 | 1974 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1975 | }, |
1976 | ||
1977 | { | |
1978 | .name = "Basic read (with data verification)", | |
6b174931 | 1979 | .prepare = mmc_test_prepare_read, |
88ae600d | 1980 | .run = mmc_test_verify_read, |
6b174931 | 1981 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1982 | }, |
1983 | ||
1984 | { | |
1985 | .name = "Multi-block write", | |
6b174931 | 1986 | .prepare = mmc_test_prepare_write, |
88ae600d | 1987 | .run = mmc_test_multi_write, |
6b174931 | 1988 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1989 | }, |
1990 | ||
1991 | { | |
1992 | .name = "Multi-block read", | |
6b174931 | 1993 | .prepare = mmc_test_prepare_read, |
88ae600d | 1994 | .run = mmc_test_multi_read, |
6b174931 | 1995 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1996 | }, |
1997 | ||
1998 | { | |
1999 | .name = "Power of two block writes", | |
6b174931 | 2000 | .prepare = mmc_test_prepare_write, |
88ae600d | 2001 | .run = mmc_test_pow2_write, |
6b174931 | 2002 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2003 | }, |
2004 | ||
2005 | { | |
2006 | .name = "Power of two block reads", | |
6b174931 | 2007 | .prepare = mmc_test_prepare_read, |
88ae600d | 2008 | .run = mmc_test_pow2_read, |
6b174931 | 2009 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2010 | }, |
2011 | ||
2012 | { | |
2013 | .name = "Weird sized block writes", | |
6b174931 | 2014 | .prepare = mmc_test_prepare_write, |
88ae600d | 2015 | .run = mmc_test_weird_write, |
6b174931 | 2016 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2017 | }, |
2018 | ||
2019 | { | |
2020 | .name = "Weird sized block reads", | |
6b174931 | 2021 | .prepare = mmc_test_prepare_read, |
88ae600d | 2022 | .run = mmc_test_weird_read, |
6b174931 | 2023 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2024 | }, |
2025 | ||
2026 | { | |
2027 | .name = "Badly aligned write", | |
6b174931 | 2028 | .prepare = mmc_test_prepare_write, |
88ae600d | 2029 | .run = mmc_test_align_write, |
6b174931 | 2030 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2031 | }, |
2032 | ||
2033 | { | |
2034 | .name = "Badly aligned read", | |
6b174931 | 2035 | .prepare = mmc_test_prepare_read, |
88ae600d | 2036 | .run = mmc_test_align_read, |
6b174931 | 2037 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2038 | }, |
2039 | ||
2040 | { | |
2041 | .name = "Badly aligned multi-block write", | |
6b174931 | 2042 | .prepare = mmc_test_prepare_write, |
88ae600d | 2043 | .run = mmc_test_align_multi_write, |
6b174931 | 2044 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2045 | }, |
2046 | ||
2047 | { | |
2048 | .name = "Badly aligned multi-block read", | |
6b174931 | 2049 | .prepare = mmc_test_prepare_read, |
88ae600d | 2050 | .run = mmc_test_align_multi_read, |
6b174931 | 2051 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2052 | }, |
2053 | ||
2054 | { | |
2055 | .name = "Correct xfer_size at write (start failure)", | |
2056 | .run = mmc_test_xfersize_write, | |
2057 | }, | |
2058 | ||
2059 | { | |
2060 | .name = "Correct xfer_size at read (start failure)", | |
2061 | .run = mmc_test_xfersize_read, | |
2062 | }, | |
2063 | ||
2064 | { | |
2065 | .name = "Correct xfer_size at write (midway failure)", | |
2066 | .run = mmc_test_multi_xfersize_write, | |
2067 | }, | |
2068 | ||
2069 | { | |
2070 | .name = "Correct xfer_size at read (midway failure)", | |
2071 | .run = mmc_test_multi_xfersize_read, | |
2072 | }, | |
2661081f PO |
2073 | |
2074 | #ifdef CONFIG_HIGHMEM | |
2075 | ||
2076 | { | |
2077 | .name = "Highmem write", | |
2078 | .prepare = mmc_test_prepare_write, | |
2079 | .run = mmc_test_write_high, | |
2080 | .cleanup = mmc_test_cleanup, | |
2081 | }, | |
2082 | ||
2083 | { | |
2084 | .name = "Highmem read", | |
2085 | .prepare = mmc_test_prepare_read, | |
2086 | .run = mmc_test_read_high, | |
2087 | .cleanup = mmc_test_cleanup, | |
2088 | }, | |
2089 | ||
2090 | { | |
2091 | .name = "Multi-block highmem write", | |
2092 | .prepare = mmc_test_prepare_write, | |
2093 | .run = mmc_test_multi_write_high, | |
2094 | .cleanup = mmc_test_cleanup, | |
2095 | }, | |
2096 | ||
2097 | { | |
2098 | .name = "Multi-block highmem read", | |
2099 | .prepare = mmc_test_prepare_read, | |
2100 | .run = mmc_test_multi_read_high, | |
2101 | .cleanup = mmc_test_cleanup, | |
2102 | }, | |
2103 | ||
64f7120d AH |
2104 | #else |
2105 | ||
2106 | { | |
2107 | .name = "Highmem write", | |
2108 | .run = mmc_test_no_highmem, | |
2109 | }, | |
2110 | ||
2111 | { | |
2112 | .name = "Highmem read", | |
2113 | .run = mmc_test_no_highmem, | |
2114 | }, | |
2115 | ||
2116 | { | |
2117 | .name = "Multi-block highmem write", | |
2118 | .run = mmc_test_no_highmem, | |
2119 | }, | |
2120 | ||
2121 | { | |
2122 | .name = "Multi-block highmem read", | |
2123 | .run = mmc_test_no_highmem, | |
2124 | }, | |
2125 | ||
2661081f PO |
2126 | #endif /* CONFIG_HIGHMEM */ |
2127 | ||
64f7120d AH |
2128 | { |
2129 | .name = "Best-case read performance", | |
2130 | .prepare = mmc_test_area_prepare_fill, | |
2131 | .run = mmc_test_best_read_performance, | |
2132 | .cleanup = mmc_test_area_cleanup, | |
2133 | }, | |
2134 | ||
2135 | { | |
2136 | .name = "Best-case write performance", | |
2137 | .prepare = mmc_test_area_prepare_erase, | |
2138 | .run = mmc_test_best_write_performance, | |
2139 | .cleanup = mmc_test_area_cleanup, | |
2140 | }, | |
2141 | ||
2142 | { | |
2143 | .name = "Best-case read performance into scattered pages", | |
2144 | .prepare = mmc_test_area_prepare_fill, | |
2145 | .run = mmc_test_best_read_perf_max_scatter, | |
2146 | .cleanup = mmc_test_area_cleanup, | |
2147 | }, | |
2148 | ||
2149 | { | |
2150 | .name = "Best-case write performance from scattered pages", | |
2151 | .prepare = mmc_test_area_prepare_erase, | |
2152 | .run = mmc_test_best_write_perf_max_scatter, | |
2153 | .cleanup = mmc_test_area_cleanup, | |
2154 | }, | |
2155 | ||
2156 | { | |
2157 | .name = "Single read performance by transfer size", | |
2158 | .prepare = mmc_test_area_prepare_fill, | |
2159 | .run = mmc_test_profile_read_perf, | |
2160 | .cleanup = mmc_test_area_cleanup, | |
2161 | }, | |
2162 | ||
2163 | { | |
2164 | .name = "Single write performance by transfer size", | |
2165 | .prepare = mmc_test_area_prepare, | |
2166 | .run = mmc_test_profile_write_perf, | |
2167 | .cleanup = mmc_test_area_cleanup, | |
2168 | }, | |
2169 | ||
2170 | { | |
2171 | .name = "Single trim performance by transfer size", | |
2172 | .prepare = mmc_test_area_prepare_fill, | |
2173 | .run = mmc_test_profile_trim_perf, | |
2174 | .cleanup = mmc_test_area_cleanup, | |
2175 | }, | |
2176 | ||
2177 | { | |
2178 | .name = "Consecutive read performance by transfer size", | |
2179 | .prepare = mmc_test_area_prepare_fill, | |
2180 | .run = mmc_test_profile_seq_read_perf, | |
2181 | .cleanup = mmc_test_area_cleanup, | |
2182 | }, | |
2183 | ||
2184 | { | |
2185 | .name = "Consecutive write performance by transfer size", | |
2186 | .prepare = mmc_test_area_prepare, | |
2187 | .run = mmc_test_profile_seq_write_perf, | |
2188 | .cleanup = mmc_test_area_cleanup, | |
2189 | }, | |
2190 | ||
2191 | { | |
2192 | .name = "Consecutive trim performance by transfer size", | |
2193 | .prepare = mmc_test_area_prepare, | |
2194 | .run = mmc_test_profile_seq_trim_perf, | |
2195 | .cleanup = mmc_test_area_cleanup, | |
2196 | }, | |
2197 | ||
b6056d12 AH |
2198 | { |
2199 | .name = "Random read performance by transfer size", | |
2200 | .prepare = mmc_test_area_prepare, | |
2201 | .run = mmc_test_random_read_perf, | |
2202 | .cleanup = mmc_test_area_cleanup, | |
2203 | }, | |
2204 | ||
2205 | { | |
2206 | .name = "Random write performance by transfer size", | |
2207 | .prepare = mmc_test_area_prepare, | |
2208 | .run = mmc_test_random_write_perf, | |
2209 | .cleanup = mmc_test_area_cleanup, | |
2210 | }, | |
2211 | ||
a803d551 AH |
2212 | { |
2213 | .name = "Large sequential read into scattered pages", | |
2214 | .prepare = mmc_test_area_prepare, | |
2215 | .run = mmc_test_large_seq_read_perf, | |
2216 | .cleanup = mmc_test_area_cleanup, | |
2217 | }, | |
2218 | ||
2219 | { | |
2220 | .name = "Large sequential write from scattered pages", | |
2221 | .prepare = mmc_test_area_prepare, | |
2222 | .run = mmc_test_large_seq_write_perf, | |
2223 | .cleanup = mmc_test_area_cleanup, | |
2224 | }, | |
2225 | ||
88ae600d PO |
2226 | }; |
2227 | ||
a650031a | 2228 | static DEFINE_MUTEX(mmc_test_lock); |
88ae600d | 2229 | |
3183aa15 AS |
2230 | static LIST_HEAD(mmc_test_result); |
2231 | ||
fd8c326c | 2232 | static void mmc_test_run(struct mmc_test_card *test, int testcase) |
88ae600d PO |
2233 | { |
2234 | int i, ret; | |
2235 | ||
2236 | printk(KERN_INFO "%s: Starting tests of card %s...\n", | |
2237 | mmc_hostname(test->card->host), mmc_card_id(test->card)); | |
2238 | ||
2239 | mmc_claim_host(test->card->host); | |
2240 | ||
2241 | for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) { | |
3183aa15 AS |
2242 | struct mmc_test_general_result *gr; |
2243 | ||
fd8c326c PO |
2244 | if (testcase && ((i + 1) != testcase)) |
2245 | continue; | |
2246 | ||
88ae600d PO |
2247 | printk(KERN_INFO "%s: Test case %d. %s...\n", |
2248 | mmc_hostname(test->card->host), i + 1, | |
2249 | mmc_test_cases[i].name); | |
2250 | ||
2251 | if (mmc_test_cases[i].prepare) { | |
2252 | ret = mmc_test_cases[i].prepare(test); | |
2253 | if (ret) { | |
2254 | printk(KERN_INFO "%s: Result: Prepare " | |
2255 | "stage failed! (%d)\n", | |
2256 | mmc_hostname(test->card->host), | |
2257 | ret); | |
2258 | continue; | |
2259 | } | |
2260 | } | |
2261 | ||
3183aa15 AS |
2262 | gr = kzalloc(sizeof(struct mmc_test_general_result), |
2263 | GFP_KERNEL); | |
2264 | if (gr) { | |
2265 | INIT_LIST_HEAD(&gr->tr_lst); | |
2266 | ||
2267 | /* Assign data what we know already */ | |
2268 | gr->card = test->card; | |
2269 | gr->testcase = i; | |
2270 | ||
2271 | /* Append container to global one */ | |
2272 | list_add_tail(&gr->link, &mmc_test_result); | |
2273 | ||
2274 | /* | |
2275 | * Save the pointer to created container in our private | |
2276 | * structure. | |
2277 | */ | |
2278 | test->gr = gr; | |
2279 | } | |
2280 | ||
88ae600d PO |
2281 | ret = mmc_test_cases[i].run(test); |
2282 | switch (ret) { | |
2283 | case RESULT_OK: | |
2284 | printk(KERN_INFO "%s: Result: OK\n", | |
2285 | mmc_hostname(test->card->host)); | |
2286 | break; | |
2287 | case RESULT_FAIL: | |
2288 | printk(KERN_INFO "%s: Result: FAILED\n", | |
2289 | mmc_hostname(test->card->host)); | |
2290 | break; | |
2291 | case RESULT_UNSUP_HOST: | |
2292 | printk(KERN_INFO "%s: Result: UNSUPPORTED " | |
2293 | "(by host)\n", | |
2294 | mmc_hostname(test->card->host)); | |
2295 | break; | |
2296 | case RESULT_UNSUP_CARD: | |
2297 | printk(KERN_INFO "%s: Result: UNSUPPORTED " | |
2298 | "(by card)\n", | |
2299 | mmc_hostname(test->card->host)); | |
2300 | break; | |
2301 | default: | |
2302 | printk(KERN_INFO "%s: Result: ERROR (%d)\n", | |
2303 | mmc_hostname(test->card->host), ret); | |
2304 | } | |
2305 | ||
3183aa15 AS |
2306 | /* Save the result */ |
2307 | if (gr) | |
2308 | gr->result = ret; | |
2309 | ||
88ae600d PO |
2310 | if (mmc_test_cases[i].cleanup) { |
2311 | ret = mmc_test_cases[i].cleanup(test); | |
2312 | if (ret) { | |
2313 | printk(KERN_INFO "%s: Warning: Cleanup " | |
2314 | "stage failed! (%d)\n", | |
2315 | mmc_hostname(test->card->host), | |
2316 | ret); | |
2317 | } | |
2318 | } | |
2319 | } | |
2320 | ||
2321 | mmc_release_host(test->card->host); | |
2322 | ||
2323 | printk(KERN_INFO "%s: Tests completed.\n", | |
2324 | mmc_hostname(test->card->host)); | |
2325 | } | |
2326 | ||
3183aa15 AS |
2327 | static void mmc_test_free_result(struct mmc_card *card) |
2328 | { | |
2329 | struct mmc_test_general_result *gr, *grs; | |
2330 | ||
2331 | mutex_lock(&mmc_test_lock); | |
2332 | ||
2333 | list_for_each_entry_safe(gr, grs, &mmc_test_result, link) { | |
2334 | struct mmc_test_transfer_result *tr, *trs; | |
2335 | ||
2336 | if (card && gr->card != card) | |
2337 | continue; | |
2338 | ||
2339 | list_for_each_entry_safe(tr, trs, &gr->tr_lst, link) { | |
2340 | list_del(&tr->link); | |
2341 | kfree(tr); | |
2342 | } | |
2343 | ||
2344 | list_del(&gr->link); | |
2345 | kfree(gr); | |
2346 | } | |
2347 | ||
2348 | mutex_unlock(&mmc_test_lock); | |
2349 | } | |
2350 | ||
130067ed AS |
2351 | static LIST_HEAD(mmc_test_file_test); |
2352 | ||
2353 | static int mtf_test_show(struct seq_file *sf, void *data) | |
88ae600d | 2354 | { |
130067ed | 2355 | struct mmc_card *card = (struct mmc_card *)sf->private; |
3183aa15 | 2356 | struct mmc_test_general_result *gr; |
3183aa15 | 2357 | |
88ae600d | 2358 | mutex_lock(&mmc_test_lock); |
3183aa15 AS |
2359 | |
2360 | list_for_each_entry(gr, &mmc_test_result, link) { | |
2361 | struct mmc_test_transfer_result *tr; | |
2362 | ||
2363 | if (gr->card != card) | |
2364 | continue; | |
2365 | ||
130067ed | 2366 | seq_printf(sf, "Test %d: %d\n", gr->testcase + 1, gr->result); |
3183aa15 AS |
2367 | |
2368 | list_for_each_entry(tr, &gr->tr_lst, link) { | |
b6056d12 | 2369 | seq_printf(sf, "%u %d %lu.%09lu %u %u.%02u\n", |
3183aa15 AS |
2370 | tr->count, tr->sectors, |
2371 | (unsigned long)tr->ts.tv_sec, | |
2372 | (unsigned long)tr->ts.tv_nsec, | |
b6056d12 | 2373 | tr->rate, tr->iops / 100, tr->iops % 100); |
3183aa15 AS |
2374 | } |
2375 | } | |
2376 | ||
88ae600d PO |
2377 | mutex_unlock(&mmc_test_lock); |
2378 | ||
130067ed | 2379 | return 0; |
88ae600d PO |
2380 | } |
2381 | ||
130067ed | 2382 | static int mtf_test_open(struct inode *inode, struct file *file) |
88ae600d | 2383 | { |
130067ed AS |
2384 | return single_open(file, mtf_test_show, inode->i_private); |
2385 | } | |
2386 | ||
2387 | static ssize_t mtf_test_write(struct file *file, const char __user *buf, | |
2388 | size_t count, loff_t *pos) | |
2389 | { | |
2390 | struct seq_file *sf = (struct seq_file *)file->private_data; | |
2391 | struct mmc_card *card = (struct mmc_card *)sf->private; | |
88ae600d | 2392 | struct mmc_test_card *test; |
130067ed | 2393 | char lbuf[12]; |
5c25aee5 | 2394 | long testcase; |
88ae600d | 2395 | |
130067ed AS |
2396 | if (count >= sizeof(lbuf)) |
2397 | return -EINVAL; | |
2398 | ||
2399 | if (copy_from_user(lbuf, buf, count)) | |
2400 | return -EFAULT; | |
2401 | lbuf[count] = '\0'; | |
2402 | ||
2403 | if (strict_strtol(lbuf, 10, &testcase)) | |
5c25aee5 | 2404 | return -EINVAL; |
fd8c326c | 2405 | |
88ae600d PO |
2406 | test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL); |
2407 | if (!test) | |
2408 | return -ENOMEM; | |
2409 | ||
3183aa15 AS |
2410 | /* |
2411 | * Remove all test cases associated with given card. Thus we have only | |
2412 | * actual data of the last run. | |
2413 | */ | |
2414 | mmc_test_free_result(card); | |
2415 | ||
88ae600d PO |
2416 | test->card = card; |
2417 | ||
2418 | test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); | |
2661081f PO |
2419 | #ifdef CONFIG_HIGHMEM |
2420 | test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); | |
2421 | #endif | |
2422 | ||
2423 | #ifdef CONFIG_HIGHMEM | |
2424 | if (test->buffer && test->highmem) { | |
2425 | #else | |
88ae600d | 2426 | if (test->buffer) { |
2661081f | 2427 | #endif |
88ae600d | 2428 | mutex_lock(&mmc_test_lock); |
fd8c326c | 2429 | mmc_test_run(test, testcase); |
88ae600d PO |
2430 | mutex_unlock(&mmc_test_lock); |
2431 | } | |
2432 | ||
2661081f PO |
2433 | #ifdef CONFIG_HIGHMEM |
2434 | __free_pages(test->highmem, BUFFER_ORDER); | |
2435 | #endif | |
88ae600d PO |
2436 | kfree(test->buffer); |
2437 | kfree(test); | |
2438 | ||
2439 | return count; | |
2440 | } | |
2441 | ||
130067ed AS |
2442 | static const struct file_operations mmc_test_fops_test = { |
2443 | .open = mtf_test_open, | |
2444 | .read = seq_read, | |
2445 | .write = mtf_test_write, | |
2446 | .llseek = seq_lseek, | |
2447 | .release = single_release, | |
2448 | }; | |
2449 | ||
2450 | static void mmc_test_free_file_test(struct mmc_card *card) | |
2451 | { | |
2452 | struct mmc_test_dbgfs_file *df, *dfs; | |
2453 | ||
2454 | mutex_lock(&mmc_test_lock); | |
2455 | ||
2456 | list_for_each_entry_safe(df, dfs, &mmc_test_file_test, link) { | |
2457 | if (card && df->card != card) | |
2458 | continue; | |
2459 | debugfs_remove(df->file); | |
2460 | list_del(&df->link); | |
2461 | kfree(df); | |
2462 | } | |
2463 | ||
2464 | mutex_unlock(&mmc_test_lock); | |
2465 | } | |
2466 | ||
2467 | static int mmc_test_register_file_test(struct mmc_card *card) | |
2468 | { | |
2469 | struct dentry *file = NULL; | |
2470 | struct mmc_test_dbgfs_file *df; | |
2471 | int ret = 0; | |
2472 | ||
2473 | mutex_lock(&mmc_test_lock); | |
2474 | ||
2475 | if (card->debugfs_root) | |
2476 | file = debugfs_create_file("test", S_IWUSR | S_IRUGO, | |
2477 | card->debugfs_root, card, &mmc_test_fops_test); | |
2478 | ||
2479 | if (IS_ERR_OR_NULL(file)) { | |
2480 | dev_err(&card->dev, | |
2481 | "Can't create file. Perhaps debugfs is disabled.\n"); | |
2482 | ret = -ENODEV; | |
2483 | goto err; | |
2484 | } | |
2485 | ||
2486 | df = kmalloc(sizeof(struct mmc_test_dbgfs_file), GFP_KERNEL); | |
2487 | if (!df) { | |
2488 | debugfs_remove(file); | |
2489 | dev_err(&card->dev, | |
2490 | "Can't allocate memory for internal usage.\n"); | |
2491 | ret = -ENOMEM; | |
2492 | goto err; | |
2493 | } | |
2494 | ||
2495 | df->card = card; | |
2496 | df->file = file; | |
2497 | ||
2498 | list_add(&df->link, &mmc_test_file_test); | |
2499 | ||
2500 | err: | |
2501 | mutex_unlock(&mmc_test_lock); | |
2502 | ||
2503 | return ret; | |
2504 | } | |
88ae600d PO |
2505 | |
2506 | static int mmc_test_probe(struct mmc_card *card) | |
2507 | { | |
2508 | int ret; | |
2509 | ||
63be54ce | 2510 | if (!mmc_card_mmc(card) && !mmc_card_sd(card)) |
0121a982 PO |
2511 | return -ENODEV; |
2512 | ||
130067ed | 2513 | ret = mmc_test_register_file_test(card); |
88ae600d PO |
2514 | if (ret) |
2515 | return ret; | |
2516 | ||
60c9c7b1 PO |
2517 | dev_info(&card->dev, "Card claimed for testing.\n"); |
2518 | ||
88ae600d PO |
2519 | return 0; |
2520 | } | |
2521 | ||
2522 | static void mmc_test_remove(struct mmc_card *card) | |
2523 | { | |
3183aa15 | 2524 | mmc_test_free_result(card); |
130067ed | 2525 | mmc_test_free_file_test(card); |
88ae600d PO |
2526 | } |
2527 | ||
2528 | static struct mmc_driver mmc_driver = { | |
2529 | .drv = { | |
2530 | .name = "mmc_test", | |
2531 | }, | |
2532 | .probe = mmc_test_probe, | |
2533 | .remove = mmc_test_remove, | |
2534 | }; | |
2535 | ||
2536 | static int __init mmc_test_init(void) | |
2537 | { | |
2538 | return mmc_register_driver(&mmc_driver); | |
2539 | } | |
2540 | ||
2541 | static void __exit mmc_test_exit(void) | |
2542 | { | |
3183aa15 AS |
2543 | /* Clear stalled data if card is still plugged */ |
2544 | mmc_test_free_result(NULL); | |
130067ed | 2545 | mmc_test_free_file_test(NULL); |
3183aa15 | 2546 | |
88ae600d PO |
2547 | mmc_unregister_driver(&mmc_driver); |
2548 | } | |
2549 | ||
2550 | module_init(mmc_test_init); | |
2551 | module_exit(mmc_test_exit); | |
2552 | ||
2553 | MODULE_LICENSE("GPL"); | |
2554 | MODULE_DESCRIPTION("Multimedia Card (MMC) host test driver"); | |
2555 | MODULE_AUTHOR("Pierre Ossman"); |