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; | |
1278dba1 | 215 | struct mmc_command cmd = {0}; |
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; | |
1278dba1 CB |
250 | struct mmc_command cmd = {0}; |
251 | struct mmc_command stop = {0}; | |
6b174931 PO |
252 | struct mmc_data data; |
253 | ||
254 | struct scatterlist sg; | |
255 | ||
256 | memset(&mrq, 0, sizeof(struct mmc_request)); | |
6b174931 | 257 | memset(&data, 0, sizeof(struct mmc_data)); |
6b174931 PO |
258 | |
259 | mrq.cmd = &cmd; | |
260 | mrq.data = &data; | |
261 | mrq.stop = &stop; | |
262 | ||
263 | sg_init_one(&sg, buffer, blksz); | |
264 | ||
265 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write); | |
266 | ||
267 | mmc_wait_for_req(test->card->host, &mrq); | |
268 | ||
269 | if (cmd.error) | |
270 | return cmd.error; | |
271 | if (data.error) | |
272 | return data.error; | |
273 | ||
274 | ret = mmc_test_wait_busy(test); | |
275 | if (ret) | |
276 | return ret; | |
277 | ||
278 | return 0; | |
88ae600d PO |
279 | } |
280 | ||
64f7120d AH |
281 | static void mmc_test_free_mem(struct mmc_test_mem *mem) |
282 | { | |
283 | if (!mem) | |
284 | return; | |
285 | while (mem->cnt--) | |
286 | __free_pages(mem->arr[mem->cnt].page, | |
287 | mem->arr[mem->cnt].order); | |
288 | kfree(mem->arr); | |
289 | kfree(mem); | |
290 | } | |
291 | ||
292 | /* | |
25985edc | 293 | * Allocate a lot of memory, preferably max_sz but at least min_sz. In case |
c8c8c1bd AH |
294 | * there isn't much memory do not exceed 1/16th total lowmem pages. Also do |
295 | * not exceed a maximum number of segments and try not to make segments much | |
296 | * bigger than maximum segment size. | |
64f7120d | 297 | */ |
fec4dcce | 298 | static struct mmc_test_mem *mmc_test_alloc_mem(unsigned long min_sz, |
c8c8c1bd AH |
299 | unsigned long max_sz, |
300 | unsigned int max_segs, | |
301 | unsigned int max_seg_sz) | |
64f7120d | 302 | { |
fec4dcce AH |
303 | unsigned long max_page_cnt = DIV_ROUND_UP(max_sz, PAGE_SIZE); |
304 | unsigned long min_page_cnt = DIV_ROUND_UP(min_sz, PAGE_SIZE); | |
c8c8c1bd | 305 | unsigned long max_seg_page_cnt = DIV_ROUND_UP(max_seg_sz, PAGE_SIZE); |
fec4dcce AH |
306 | unsigned long page_cnt = 0; |
307 | unsigned long limit = nr_free_buffer_pages() >> 4; | |
64f7120d | 308 | struct mmc_test_mem *mem; |
64f7120d | 309 | |
fec4dcce AH |
310 | if (max_page_cnt > limit) |
311 | max_page_cnt = limit; | |
3d203be8 AH |
312 | if (min_page_cnt > max_page_cnt) |
313 | min_page_cnt = max_page_cnt; | |
64f7120d | 314 | |
c8c8c1bd AH |
315 | if (max_seg_page_cnt > max_page_cnt) |
316 | max_seg_page_cnt = max_page_cnt; | |
317 | ||
318 | if (max_segs > max_page_cnt) | |
319 | max_segs = max_page_cnt; | |
320 | ||
64f7120d AH |
321 | mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL); |
322 | if (!mem) | |
323 | return NULL; | |
324 | ||
c8c8c1bd | 325 | mem->arr = kzalloc(sizeof(struct mmc_test_pages) * max_segs, |
64f7120d AH |
326 | GFP_KERNEL); |
327 | if (!mem->arr) | |
328 | goto out_free; | |
329 | ||
330 | while (max_page_cnt) { | |
331 | struct page *page; | |
332 | unsigned int order; | |
333 | gfp_t flags = GFP_KERNEL | GFP_DMA | __GFP_NOWARN | | |
334 | __GFP_NORETRY; | |
335 | ||
c8c8c1bd | 336 | order = get_order(max_seg_page_cnt << PAGE_SHIFT); |
64f7120d AH |
337 | while (1) { |
338 | page = alloc_pages(flags, order); | |
339 | if (page || !order) | |
340 | break; | |
341 | order -= 1; | |
342 | } | |
343 | if (!page) { | |
344 | if (page_cnt < min_page_cnt) | |
345 | goto out_free; | |
346 | break; | |
347 | } | |
348 | mem->arr[mem->cnt].page = page; | |
349 | mem->arr[mem->cnt].order = order; | |
350 | mem->cnt += 1; | |
fec4dcce AH |
351 | if (max_page_cnt <= (1UL << order)) |
352 | break; | |
3d203be8 AH |
353 | max_page_cnt -= 1UL << order; |
354 | page_cnt += 1UL << order; | |
c8c8c1bd AH |
355 | if (mem->cnt >= max_segs) { |
356 | if (page_cnt < min_page_cnt) | |
357 | goto out_free; | |
358 | break; | |
359 | } | |
64f7120d AH |
360 | } |
361 | ||
362 | return mem; | |
363 | ||
364 | out_free: | |
365 | mmc_test_free_mem(mem); | |
366 | return NULL; | |
367 | } | |
368 | ||
369 | /* | |
370 | * Map memory into a scatterlist. Optionally allow the same memory to be | |
371 | * mapped more than once. | |
372 | */ | |
fec4dcce | 373 | static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long sz, |
64f7120d | 374 | struct scatterlist *sglist, int repeat, |
c8c8c1bd AH |
375 | unsigned int max_segs, unsigned int max_seg_sz, |
376 | unsigned int *sg_len) | |
64f7120d AH |
377 | { |
378 | struct scatterlist *sg = NULL; | |
379 | unsigned int i; | |
380 | ||
381 | sg_init_table(sglist, max_segs); | |
382 | ||
383 | *sg_len = 0; | |
384 | do { | |
385 | for (i = 0; i < mem->cnt; i++) { | |
fec4dcce | 386 | unsigned long len = PAGE_SIZE << mem->arr[i].order; |
64f7120d | 387 | |
c8c8c1bd | 388 | if (len > sz) |
64f7120d | 389 | len = sz; |
c8c8c1bd AH |
390 | if (len > max_seg_sz) |
391 | len = max_seg_sz; | |
64f7120d AH |
392 | if (sg) |
393 | sg = sg_next(sg); | |
394 | else | |
395 | sg = sglist; | |
396 | if (!sg) | |
397 | return -EINVAL; | |
398 | sg_set_page(sg, mem->arr[i].page, len, 0); | |
399 | sz -= len; | |
400 | *sg_len += 1; | |
401 | if (!sz) | |
402 | break; | |
403 | } | |
404 | } while (sz && repeat); | |
405 | ||
406 | if (sz) | |
407 | return -EINVAL; | |
408 | ||
409 | if (sg) | |
410 | sg_mark_end(sg); | |
411 | ||
412 | return 0; | |
413 | } | |
414 | ||
415 | /* | |
416 | * Map memory into a scatterlist so that no pages are contiguous. Allow the | |
417 | * same memory to be mapped more than once. | |
418 | */ | |
419 | static int mmc_test_map_sg_max_scatter(struct mmc_test_mem *mem, | |
fec4dcce | 420 | unsigned long sz, |
64f7120d AH |
421 | struct scatterlist *sglist, |
422 | unsigned int max_segs, | |
c8c8c1bd | 423 | unsigned int max_seg_sz, |
64f7120d AH |
424 | unsigned int *sg_len) |
425 | { | |
426 | struct scatterlist *sg = NULL; | |
fec4dcce AH |
427 | unsigned int i = mem->cnt, cnt; |
428 | unsigned long len; | |
64f7120d AH |
429 | void *base, *addr, *last_addr = NULL; |
430 | ||
431 | sg_init_table(sglist, max_segs); | |
432 | ||
433 | *sg_len = 0; | |
c8c8c1bd | 434 | while (sz) { |
64f7120d AH |
435 | base = page_address(mem->arr[--i].page); |
436 | cnt = 1 << mem->arr[i].order; | |
437 | while (sz && cnt) { | |
438 | addr = base + PAGE_SIZE * --cnt; | |
439 | if (last_addr && last_addr + PAGE_SIZE == addr) | |
440 | continue; | |
441 | last_addr = addr; | |
442 | len = PAGE_SIZE; | |
c8c8c1bd AH |
443 | if (len > max_seg_sz) |
444 | len = max_seg_sz; | |
445 | if (len > sz) | |
64f7120d AH |
446 | len = sz; |
447 | if (sg) | |
448 | sg = sg_next(sg); | |
449 | else | |
450 | sg = sglist; | |
451 | if (!sg) | |
452 | return -EINVAL; | |
453 | sg_set_page(sg, virt_to_page(addr), len, 0); | |
454 | sz -= len; | |
455 | *sg_len += 1; | |
456 | } | |
c8c8c1bd AH |
457 | if (i == 0) |
458 | i = mem->cnt; | |
64f7120d AH |
459 | } |
460 | ||
461 | if (sg) | |
462 | sg_mark_end(sg); | |
463 | ||
464 | return 0; | |
465 | } | |
466 | ||
467 | /* | |
468 | * Calculate transfer rate in bytes per second. | |
469 | */ | |
470 | static unsigned int mmc_test_rate(uint64_t bytes, struct timespec *ts) | |
471 | { | |
472 | uint64_t ns; | |
473 | ||
474 | ns = ts->tv_sec; | |
475 | ns *= 1000000000; | |
476 | ns += ts->tv_nsec; | |
477 | ||
478 | bytes *= 1000000000; | |
479 | ||
480 | while (ns > UINT_MAX) { | |
481 | bytes >>= 1; | |
482 | ns >>= 1; | |
483 | } | |
484 | ||
485 | if (!ns) | |
486 | return 0; | |
487 | ||
488 | do_div(bytes, (uint32_t)ns); | |
489 | ||
490 | return bytes; | |
491 | } | |
492 | ||
3183aa15 AS |
493 | /* |
494 | * Save transfer results for future usage | |
495 | */ | |
496 | static void mmc_test_save_transfer_result(struct mmc_test_card *test, | |
497 | unsigned int count, unsigned int sectors, struct timespec ts, | |
b6056d12 | 498 | unsigned int rate, unsigned int iops) |
3183aa15 AS |
499 | { |
500 | struct mmc_test_transfer_result *tr; | |
501 | ||
502 | if (!test->gr) | |
503 | return; | |
504 | ||
505 | tr = kmalloc(sizeof(struct mmc_test_transfer_result), GFP_KERNEL); | |
506 | if (!tr) | |
507 | return; | |
508 | ||
509 | tr->count = count; | |
510 | tr->sectors = sectors; | |
511 | tr->ts = ts; | |
512 | tr->rate = rate; | |
b6056d12 | 513 | tr->iops = iops; |
3183aa15 AS |
514 | |
515 | list_add_tail(&tr->link, &test->gr->tr_lst); | |
516 | } | |
517 | ||
64f7120d AH |
518 | /* |
519 | * Print the transfer rate. | |
520 | */ | |
521 | static void mmc_test_print_rate(struct mmc_test_card *test, uint64_t bytes, | |
522 | struct timespec *ts1, struct timespec *ts2) | |
523 | { | |
b6056d12 | 524 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
525 | struct timespec ts; |
526 | ||
527 | ts = timespec_sub(*ts2, *ts1); | |
528 | ||
529 | rate = mmc_test_rate(bytes, &ts); | |
b6056d12 | 530 | iops = mmc_test_rate(100, &ts); /* I/O ops per sec x 100 */ |
64f7120d AH |
531 | |
532 | printk(KERN_INFO "%s: Transfer of %u sectors (%u%s KiB) took %lu.%09lu " | |
b6056d12 | 533 | "seconds (%u kB/s, %u KiB/s, %u.%02u IOPS)\n", |
64f7120d | 534 | mmc_hostname(test->card->host), sectors, sectors >> 1, |
c27d37ae | 535 | (sectors & 1 ? ".5" : ""), (unsigned long)ts.tv_sec, |
b6056d12 AH |
536 | (unsigned long)ts.tv_nsec, rate / 1000, rate / 1024, |
537 | iops / 100, iops % 100); | |
3183aa15 | 538 | |
b6056d12 | 539 | mmc_test_save_transfer_result(test, 1, sectors, ts, rate, iops); |
64f7120d AH |
540 | } |
541 | ||
542 | /* | |
543 | * Print the average transfer rate. | |
544 | */ | |
545 | static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, | |
546 | unsigned int count, struct timespec *ts1, | |
547 | struct timespec *ts2) | |
548 | { | |
b6056d12 | 549 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
550 | uint64_t tot = bytes * count; |
551 | struct timespec ts; | |
552 | ||
553 | ts = timespec_sub(*ts2, *ts1); | |
554 | ||
555 | rate = mmc_test_rate(tot, &ts); | |
b6056d12 | 556 | iops = mmc_test_rate(count * 100, &ts); /* I/O ops per sec x 100 */ |
64f7120d AH |
557 | |
558 | printk(KERN_INFO "%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " | |
b6056d12 AH |
559 | "%lu.%09lu seconds (%u kB/s, %u KiB/s, " |
560 | "%u.%02u IOPS)\n", | |
64f7120d | 561 | mmc_hostname(test->card->host), count, sectors, count, |
c27d37ae | 562 | sectors >> 1, (sectors & 1 ? ".5" : ""), |
64f7120d | 563 | (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, |
b6056d12 | 564 | rate / 1000, rate / 1024, iops / 100, iops % 100); |
3183aa15 | 565 | |
b6056d12 | 566 | mmc_test_save_transfer_result(test, count, sectors, ts, rate, iops); |
64f7120d AH |
567 | } |
568 | ||
569 | /* | |
570 | * Return the card size in sectors. | |
571 | */ | |
572 | static unsigned int mmc_test_capacity(struct mmc_card *card) | |
573 | { | |
574 | if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) | |
575 | return card->ext_csd.sectors; | |
576 | else | |
577 | return card->csd.capacity << (card->csd.read_blkbits - 9); | |
578 | } | |
579 | ||
6b174931 PO |
580 | /*******************************************************************/ |
581 | /* Test preparation and cleanup */ | |
582 | /*******************************************************************/ | |
583 | ||
584 | /* | |
585 | * Fill the first couple of sectors of the card with known data | |
586 | * so that bad reads/writes can be detected | |
587 | */ | |
588 | static int __mmc_test_prepare(struct mmc_test_card *test, int write) | |
88ae600d PO |
589 | { |
590 | int ret, i; | |
591 | ||
592 | ret = mmc_test_set_blksize(test, 512); | |
593 | if (ret) | |
594 | return ret; | |
595 | ||
596 | if (write) | |
6b174931 | 597 | memset(test->buffer, 0xDF, 512); |
88ae600d | 598 | else { |
6b174931 | 599 | for (i = 0;i < 512;i++) |
88ae600d PO |
600 | test->buffer[i] = i; |
601 | } | |
602 | ||
603 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 604 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
88ae600d PO |
605 | if (ret) |
606 | return ret; | |
607 | } | |
608 | ||
609 | return 0; | |
610 | } | |
611 | ||
6b174931 PO |
612 | static int mmc_test_prepare_write(struct mmc_test_card *test) |
613 | { | |
614 | return __mmc_test_prepare(test, 1); | |
615 | } | |
616 | ||
617 | static int mmc_test_prepare_read(struct mmc_test_card *test) | |
618 | { | |
619 | return __mmc_test_prepare(test, 0); | |
620 | } | |
621 | ||
622 | static int mmc_test_cleanup(struct mmc_test_card *test) | |
623 | { | |
624 | int ret, i; | |
625 | ||
626 | ret = mmc_test_set_blksize(test, 512); | |
627 | if (ret) | |
628 | return ret; | |
629 | ||
630 | memset(test->buffer, 0, 512); | |
631 | ||
632 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 633 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
6b174931 PO |
634 | if (ret) |
635 | return ret; | |
636 | } | |
637 | ||
638 | return 0; | |
639 | } | |
640 | ||
641 | /*******************************************************************/ | |
642 | /* Test execution helpers */ | |
643 | /*******************************************************************/ | |
644 | ||
645 | /* | |
646 | * Modifies the mmc_request to perform the "short transfer" tests | |
647 | */ | |
648 | static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, | |
649 | struct mmc_request *mrq, int write) | |
650 | { | |
651 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
652 | ||
653 | if (mrq->data->blocks > 1) { | |
654 | mrq->cmd->opcode = write ? | |
655 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
656 | mrq->stop = NULL; | |
657 | } else { | |
658 | mrq->cmd->opcode = MMC_SEND_STATUS; | |
659 | mrq->cmd->arg = test->card->rca << 16; | |
660 | } | |
661 | } | |
662 | ||
663 | /* | |
664 | * Checks that a normal transfer didn't have any errors | |
665 | */ | |
666 | static int mmc_test_check_result(struct mmc_test_card *test, | |
667 | struct mmc_request *mrq) | |
88ae600d | 668 | { |
6b174931 PO |
669 | int ret; |
670 | ||
671 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
672 | ||
673 | ret = 0; | |
674 | ||
675 | if (!ret && mrq->cmd->error) | |
676 | ret = mrq->cmd->error; | |
677 | if (!ret && mrq->data->error) | |
678 | ret = mrq->data->error; | |
679 | if (!ret && mrq->stop && mrq->stop->error) | |
680 | ret = mrq->stop->error; | |
681 | if (!ret && mrq->data->bytes_xfered != | |
682 | mrq->data->blocks * mrq->data->blksz) | |
683 | ret = RESULT_FAIL; | |
684 | ||
685 | if (ret == -EINVAL) | |
686 | ret = RESULT_UNSUP_HOST; | |
687 | ||
688 | return ret; | |
88ae600d PO |
689 | } |
690 | ||
6b174931 PO |
691 | /* |
692 | * Checks that a "short transfer" behaved as expected | |
693 | */ | |
694 | static int mmc_test_check_broken_result(struct mmc_test_card *test, | |
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 == 0) | |
706 | ret = RESULT_FAIL; | |
707 | if (!ret && mrq->data->error != -ETIMEDOUT) | |
708 | ret = mrq->data->error; | |
709 | if (!ret && mrq->stop && mrq->stop->error) | |
710 | ret = mrq->stop->error; | |
711 | if (mrq->data->blocks > 1) { | |
712 | if (!ret && mrq->data->bytes_xfered > mrq->data->blksz) | |
713 | ret = RESULT_FAIL; | |
714 | } else { | |
715 | if (!ret && mrq->data->bytes_xfered > 0) | |
716 | ret = RESULT_FAIL; | |
717 | } | |
718 | ||
719 | if (ret == -EINVAL) | |
720 | ret = RESULT_UNSUP_HOST; | |
721 | ||
722 | return ret; | |
88ae600d PO |
723 | } |
724 | ||
6b174931 PO |
725 | /* |
726 | * Tests a basic transfer with certain parameters | |
727 | */ | |
728 | static int mmc_test_simple_transfer(struct mmc_test_card *test, | |
729 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
730 | unsigned blocks, unsigned blksz, int write) | |
88ae600d | 731 | { |
6b174931 | 732 | struct mmc_request mrq; |
1278dba1 CB |
733 | struct mmc_command cmd = {0}; |
734 | struct mmc_command stop = {0}; | |
6b174931 | 735 | struct mmc_data data; |
88ae600d | 736 | |
6b174931 | 737 | memset(&mrq, 0, sizeof(struct mmc_request)); |
6b174931 | 738 | memset(&data, 0, sizeof(struct mmc_data)); |
6b174931 PO |
739 | |
740 | mrq.cmd = &cmd; | |
741 | mrq.data = &data; | |
742 | mrq.stop = &stop; | |
743 | ||
744 | mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr, | |
745 | blocks, blksz, write); | |
746 | ||
747 | mmc_wait_for_req(test->card->host, &mrq); | |
88ae600d | 748 | |
6b174931 PO |
749 | mmc_test_wait_busy(test); |
750 | ||
751 | return mmc_test_check_result(test, &mrq); | |
752 | } | |
753 | ||
754 | /* | |
755 | * Tests a transfer where the card will fail completely or partly | |
756 | */ | |
757 | static int mmc_test_broken_transfer(struct mmc_test_card *test, | |
758 | unsigned blocks, unsigned blksz, int write) | |
759 | { | |
760 | struct mmc_request mrq; | |
1278dba1 CB |
761 | struct mmc_command cmd = {0}; |
762 | struct mmc_command stop = {0}; | |
6b174931 PO |
763 | struct mmc_data data; |
764 | ||
765 | struct scatterlist sg; | |
766 | ||
767 | memset(&mrq, 0, sizeof(struct mmc_request)); | |
6b174931 | 768 | memset(&data, 0, sizeof(struct mmc_data)); |
6b174931 PO |
769 | |
770 | mrq.cmd = &cmd; | |
771 | mrq.data = &data; | |
772 | mrq.stop = &stop; | |
773 | ||
774 | sg_init_one(&sg, test->buffer, blocks * blksz); | |
775 | ||
776 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write); | |
777 | mmc_test_prepare_broken_mrq(test, &mrq, write); | |
778 | ||
779 | mmc_wait_for_req(test->card->host, &mrq); | |
780 | ||
781 | mmc_test_wait_busy(test); | |
782 | ||
783 | return mmc_test_check_broken_result(test, &mrq); | |
784 | } | |
785 | ||
786 | /* | |
787 | * Does a complete transfer test where data is also validated | |
788 | * | |
789 | * Note: mmc_test_prepare() must have been done before this call | |
790 | */ | |
791 | static int mmc_test_transfer(struct mmc_test_card *test, | |
792 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
793 | unsigned blocks, unsigned blksz, int write) | |
794 | { | |
795 | int ret, i; | |
796 | unsigned long flags; | |
88ae600d PO |
797 | |
798 | if (write) { | |
799 | for (i = 0;i < blocks * blksz;i++) | |
6b174931 PO |
800 | test->scratch[i] = i; |
801 | } else { | |
b7ac2cf1 | 802 | memset(test->scratch, 0, BUFFER_SIZE); |
88ae600d | 803 | } |
6b174931 | 804 | local_irq_save(flags); |
b7ac2cf1 | 805 | sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 806 | local_irq_restore(flags); |
88ae600d PO |
807 | |
808 | ret = mmc_test_set_blksize(test, blksz); | |
809 | if (ret) | |
810 | return ret; | |
811 | ||
6b174931 PO |
812 | ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr, |
813 | blocks, blksz, write); | |
88ae600d PO |
814 | if (ret) |
815 | return ret; | |
816 | ||
817 | if (write) { | |
6b174931 PO |
818 | int sectors; |
819 | ||
88ae600d PO |
820 | ret = mmc_test_set_blksize(test, 512); |
821 | if (ret) | |
822 | return ret; | |
823 | ||
824 | sectors = (blocks * blksz + 511) / 512; | |
825 | if ((sectors * 512) == (blocks * blksz)) | |
826 | sectors++; | |
827 | ||
828 | if ((sectors * 512) > BUFFER_SIZE) | |
829 | return -EINVAL; | |
830 | ||
831 | memset(test->buffer, 0, sectors * 512); | |
832 | ||
833 | for (i = 0;i < sectors;i++) { | |
6b174931 | 834 | ret = mmc_test_buffer_transfer(test, |
88ae600d | 835 | test->buffer + i * 512, |
c286d03c | 836 | dev_addr + i, 512, 0); |
88ae600d PO |
837 | if (ret) |
838 | return ret; | |
839 | } | |
840 | ||
841 | for (i = 0;i < blocks * blksz;i++) { | |
842 | if (test->buffer[i] != (u8)i) | |
843 | return RESULT_FAIL; | |
844 | } | |
845 | ||
846 | for (;i < sectors * 512;i++) { | |
847 | if (test->buffer[i] != 0xDF) | |
848 | return RESULT_FAIL; | |
849 | } | |
850 | } else { | |
6b174931 | 851 | local_irq_save(flags); |
b7ac2cf1 | 852 | sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 853 | local_irq_restore(flags); |
88ae600d | 854 | for (i = 0;i < blocks * blksz;i++) { |
6b174931 | 855 | if (test->scratch[i] != (u8)i) |
88ae600d PO |
856 | return RESULT_FAIL; |
857 | } | |
858 | } | |
859 | ||
860 | return 0; | |
861 | } | |
862 | ||
88ae600d PO |
863 | /*******************************************************************/ |
864 | /* Tests */ | |
865 | /*******************************************************************/ | |
866 | ||
867 | struct mmc_test_case { | |
868 | const char *name; | |
869 | ||
870 | int (*prepare)(struct mmc_test_card *); | |
871 | int (*run)(struct mmc_test_card *); | |
872 | int (*cleanup)(struct mmc_test_card *); | |
873 | }; | |
874 | ||
875 | static int mmc_test_basic_write(struct mmc_test_card *test) | |
876 | { | |
877 | int ret; | |
6b174931 | 878 | struct scatterlist sg; |
88ae600d PO |
879 | |
880 | ret = mmc_test_set_blksize(test, 512); | |
881 | if (ret) | |
882 | return ret; | |
883 | ||
6b174931 PO |
884 | sg_init_one(&sg, test->buffer, 512); |
885 | ||
886 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
887 | if (ret) |
888 | return ret; | |
889 | ||
890 | return 0; | |
891 | } | |
892 | ||
893 | static int mmc_test_basic_read(struct mmc_test_card *test) | |
894 | { | |
895 | int ret; | |
6b174931 | 896 | struct scatterlist sg; |
88ae600d PO |
897 | |
898 | ret = mmc_test_set_blksize(test, 512); | |
899 | if (ret) | |
900 | return ret; | |
901 | ||
6b174931 PO |
902 | sg_init_one(&sg, test->buffer, 512); |
903 | ||
58a5dd3e | 904 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
905 | if (ret) |
906 | return ret; | |
907 | ||
908 | return 0; | |
909 | } | |
910 | ||
911 | static int mmc_test_verify_write(struct mmc_test_card *test) | |
912 | { | |
913 | int ret; | |
6b174931 PO |
914 | struct scatterlist sg; |
915 | ||
916 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 917 | |
6b174931 | 918 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
88ae600d PO |
919 | if (ret) |
920 | return ret; | |
921 | ||
922 | return 0; | |
923 | } | |
924 | ||
925 | static int mmc_test_verify_read(struct mmc_test_card *test) | |
926 | { | |
927 | int ret; | |
6b174931 PO |
928 | struct scatterlist sg; |
929 | ||
930 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 931 | |
6b174931 | 932 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
933 | if (ret) |
934 | return ret; | |
935 | ||
936 | return 0; | |
937 | } | |
938 | ||
939 | static int mmc_test_multi_write(struct mmc_test_card *test) | |
940 | { | |
941 | int ret; | |
942 | unsigned int size; | |
6b174931 | 943 | struct scatterlist sg; |
88ae600d PO |
944 | |
945 | if (test->card->host->max_blk_count == 1) | |
946 | return RESULT_UNSUP_HOST; | |
947 | ||
948 | size = PAGE_SIZE * 2; | |
949 | size = min(size, test->card->host->max_req_size); | |
950 | size = min(size, test->card->host->max_seg_size); | |
951 | size = min(size, test->card->host->max_blk_count * 512); | |
952 | ||
953 | if (size < 1024) | |
954 | return RESULT_UNSUP_HOST; | |
955 | ||
6b174931 PO |
956 | sg_init_one(&sg, test->buffer, size); |
957 | ||
958 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
959 | if (ret) |
960 | return ret; | |
961 | ||
962 | return 0; | |
963 | } | |
964 | ||
965 | static int mmc_test_multi_read(struct mmc_test_card *test) | |
966 | { | |
967 | int ret; | |
968 | unsigned int size; | |
6b174931 | 969 | struct scatterlist sg; |
88ae600d PO |
970 | |
971 | if (test->card->host->max_blk_count == 1) | |
972 | return RESULT_UNSUP_HOST; | |
973 | ||
974 | size = PAGE_SIZE * 2; | |
975 | size = min(size, test->card->host->max_req_size); | |
976 | size = min(size, test->card->host->max_seg_size); | |
977 | size = min(size, test->card->host->max_blk_count * 512); | |
978 | ||
979 | if (size < 1024) | |
980 | return RESULT_UNSUP_HOST; | |
981 | ||
6b174931 PO |
982 | sg_init_one(&sg, test->buffer, size); |
983 | ||
984 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
985 | if (ret) |
986 | return ret; | |
987 | ||
988 | return 0; | |
989 | } | |
990 | ||
991 | static int mmc_test_pow2_write(struct mmc_test_card *test) | |
992 | { | |
993 | int ret, i; | |
6b174931 | 994 | struct scatterlist sg; |
88ae600d PO |
995 | |
996 | if (!test->card->csd.write_partial) | |
997 | return RESULT_UNSUP_CARD; | |
998 | ||
999 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1000 | sg_init_one(&sg, test->buffer, i); |
1001 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1002 | if (ret) |
1003 | return ret; | |
1004 | } | |
1005 | ||
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | static int mmc_test_pow2_read(struct mmc_test_card *test) | |
1010 | { | |
1011 | int ret, i; | |
6b174931 | 1012 | struct scatterlist sg; |
88ae600d PO |
1013 | |
1014 | if (!test->card->csd.read_partial) | |
1015 | return RESULT_UNSUP_CARD; | |
1016 | ||
1017 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1018 | sg_init_one(&sg, test->buffer, i); |
1019 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1020 | if (ret) |
1021 | return ret; | |
1022 | } | |
1023 | ||
1024 | return 0; | |
1025 | } | |
1026 | ||
1027 | static int mmc_test_weird_write(struct mmc_test_card *test) | |
1028 | { | |
1029 | int ret, i; | |
6b174931 | 1030 | struct scatterlist sg; |
88ae600d PO |
1031 | |
1032 | if (!test->card->csd.write_partial) | |
1033 | return RESULT_UNSUP_CARD; | |
1034 | ||
1035 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1036 | sg_init_one(&sg, test->buffer, i); |
1037 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1038 | if (ret) |
1039 | return ret; | |
1040 | } | |
1041 | ||
1042 | return 0; | |
1043 | } | |
1044 | ||
1045 | static int mmc_test_weird_read(struct mmc_test_card *test) | |
1046 | { | |
1047 | int ret, i; | |
6b174931 | 1048 | struct scatterlist sg; |
88ae600d PO |
1049 | |
1050 | if (!test->card->csd.read_partial) | |
1051 | return RESULT_UNSUP_CARD; | |
1052 | ||
1053 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1054 | sg_init_one(&sg, test->buffer, i); |
1055 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1056 | if (ret) |
1057 | return ret; | |
1058 | } | |
1059 | ||
1060 | return 0; | |
1061 | } | |
1062 | ||
1063 | static int mmc_test_align_write(struct mmc_test_card *test) | |
1064 | { | |
1065 | int ret, i; | |
6b174931 | 1066 | struct scatterlist sg; |
88ae600d PO |
1067 | |
1068 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1069 | sg_init_one(&sg, test->buffer + i, 512); |
1070 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
1071 | if (ret) |
1072 | return ret; | |
1073 | } | |
1074 | ||
1075 | return 0; | |
1076 | } | |
1077 | ||
1078 | static int mmc_test_align_read(struct mmc_test_card *test) | |
1079 | { | |
1080 | int ret, i; | |
6b174931 | 1081 | struct scatterlist sg; |
88ae600d PO |
1082 | |
1083 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1084 | sg_init_one(&sg, test->buffer + i, 512); |
1085 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
88ae600d PO |
1086 | if (ret) |
1087 | return ret; | |
1088 | } | |
1089 | ||
1090 | return 0; | |
1091 | } | |
1092 | ||
1093 | static int mmc_test_align_multi_write(struct mmc_test_card *test) | |
1094 | { | |
1095 | int ret, i; | |
1096 | unsigned int size; | |
6b174931 | 1097 | struct scatterlist sg; |
88ae600d PO |
1098 | |
1099 | if (test->card->host->max_blk_count == 1) | |
1100 | return RESULT_UNSUP_HOST; | |
1101 | ||
1102 | size = PAGE_SIZE * 2; | |
1103 | size = min(size, test->card->host->max_req_size); | |
1104 | size = min(size, test->card->host->max_seg_size); | |
1105 | size = min(size, test->card->host->max_blk_count * 512); | |
1106 | ||
1107 | if (size < 1024) | |
1108 | return RESULT_UNSUP_HOST; | |
1109 | ||
1110 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1111 | sg_init_one(&sg, test->buffer + i, size); |
1112 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1113 | if (ret) |
1114 | return ret; | |
1115 | } | |
1116 | ||
1117 | return 0; | |
1118 | } | |
1119 | ||
1120 | static int mmc_test_align_multi_read(struct mmc_test_card *test) | |
1121 | { | |
1122 | int ret, i; | |
1123 | unsigned int size; | |
6b174931 | 1124 | struct scatterlist sg; |
88ae600d PO |
1125 | |
1126 | if (test->card->host->max_blk_count == 1) | |
1127 | return RESULT_UNSUP_HOST; | |
1128 | ||
1129 | size = PAGE_SIZE * 2; | |
1130 | size = min(size, test->card->host->max_req_size); | |
1131 | size = min(size, test->card->host->max_seg_size); | |
1132 | size = min(size, test->card->host->max_blk_count * 512); | |
1133 | ||
1134 | if (size < 1024) | |
1135 | return RESULT_UNSUP_HOST; | |
1136 | ||
1137 | for (i = 1;i < 4;i++) { | |
6b174931 PO |
1138 | sg_init_one(&sg, test->buffer + i, size); |
1139 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1140 | if (ret) |
1141 | return ret; | |
1142 | } | |
1143 | ||
1144 | return 0; | |
1145 | } | |
1146 | ||
1147 | static int mmc_test_xfersize_write(struct mmc_test_card *test) | |
1148 | { | |
1149 | int ret; | |
1150 | ||
1151 | ret = mmc_test_set_blksize(test, 512); | |
1152 | if (ret) | |
1153 | return ret; | |
1154 | ||
6b174931 | 1155 | ret = mmc_test_broken_transfer(test, 1, 512, 1); |
88ae600d PO |
1156 | if (ret) |
1157 | return ret; | |
1158 | ||
1159 | return 0; | |
1160 | } | |
1161 | ||
1162 | static int mmc_test_xfersize_read(struct mmc_test_card *test) | |
1163 | { | |
1164 | int ret; | |
1165 | ||
1166 | ret = mmc_test_set_blksize(test, 512); | |
1167 | if (ret) | |
1168 | return ret; | |
1169 | ||
6b174931 | 1170 | ret = mmc_test_broken_transfer(test, 1, 512, 0); |
88ae600d PO |
1171 | if (ret) |
1172 | return ret; | |
1173 | ||
1174 | return 0; | |
1175 | } | |
1176 | ||
1177 | static int mmc_test_multi_xfersize_write(struct mmc_test_card *test) | |
1178 | { | |
1179 | int ret; | |
1180 | ||
1181 | if (test->card->host->max_blk_count == 1) | |
1182 | return RESULT_UNSUP_HOST; | |
1183 | ||
1184 | ret = mmc_test_set_blksize(test, 512); | |
1185 | if (ret) | |
1186 | return ret; | |
1187 | ||
6b174931 | 1188 | ret = mmc_test_broken_transfer(test, 2, 512, 1); |
88ae600d PO |
1189 | if (ret) |
1190 | return ret; | |
1191 | ||
1192 | return 0; | |
1193 | } | |
1194 | ||
1195 | static int mmc_test_multi_xfersize_read(struct mmc_test_card *test) | |
1196 | { | |
1197 | int ret; | |
1198 | ||
1199 | if (test->card->host->max_blk_count == 1) | |
1200 | return RESULT_UNSUP_HOST; | |
1201 | ||
1202 | ret = mmc_test_set_blksize(test, 512); | |
1203 | if (ret) | |
1204 | return ret; | |
1205 | ||
6b174931 | 1206 | ret = mmc_test_broken_transfer(test, 2, 512, 0); |
88ae600d PO |
1207 | if (ret) |
1208 | return ret; | |
1209 | ||
1210 | return 0; | |
1211 | } | |
1212 | ||
2661081f PO |
1213 | #ifdef CONFIG_HIGHMEM |
1214 | ||
1215 | static int mmc_test_write_high(struct mmc_test_card *test) | |
1216 | { | |
1217 | int ret; | |
1218 | struct scatterlist sg; | |
1219 | ||
1220 | sg_init_table(&sg, 1); | |
1221 | sg_set_page(&sg, test->highmem, 512, 0); | |
1222 | ||
1223 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
1224 | if (ret) | |
1225 | return ret; | |
1226 | ||
1227 | return 0; | |
1228 | } | |
1229 | ||
1230 | static int mmc_test_read_high(struct mmc_test_card *test) | |
1231 | { | |
1232 | int ret; | |
1233 | struct scatterlist sg; | |
1234 | ||
1235 | sg_init_table(&sg, 1); | |
1236 | sg_set_page(&sg, test->highmem, 512, 0); | |
1237 | ||
1238 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
1239 | if (ret) | |
1240 | return ret; | |
1241 | ||
1242 | return 0; | |
1243 | } | |
1244 | ||
1245 | static int mmc_test_multi_write_high(struct mmc_test_card *test) | |
1246 | { | |
1247 | int ret; | |
1248 | unsigned int size; | |
1249 | struct scatterlist sg; | |
1250 | ||
1251 | if (test->card->host->max_blk_count == 1) | |
1252 | return RESULT_UNSUP_HOST; | |
1253 | ||
1254 | size = PAGE_SIZE * 2; | |
1255 | size = min(size, test->card->host->max_req_size); | |
1256 | size = min(size, test->card->host->max_seg_size); | |
1257 | size = min(size, test->card->host->max_blk_count * 512); | |
1258 | ||
1259 | if (size < 1024) | |
1260 | return RESULT_UNSUP_HOST; | |
1261 | ||
1262 | sg_init_table(&sg, 1); | |
1263 | sg_set_page(&sg, test->highmem, size, 0); | |
1264 | ||
1265 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
1266 | if (ret) | |
1267 | return ret; | |
1268 | ||
1269 | return 0; | |
1270 | } | |
1271 | ||
1272 | static int mmc_test_multi_read_high(struct mmc_test_card *test) | |
1273 | { | |
1274 | int ret; | |
1275 | unsigned int size; | |
1276 | struct scatterlist sg; | |
1277 | ||
1278 | if (test->card->host->max_blk_count == 1) | |
1279 | return RESULT_UNSUP_HOST; | |
1280 | ||
1281 | size = PAGE_SIZE * 2; | |
1282 | size = min(size, test->card->host->max_req_size); | |
1283 | size = min(size, test->card->host->max_seg_size); | |
1284 | size = min(size, test->card->host->max_blk_count * 512); | |
1285 | ||
1286 | if (size < 1024) | |
1287 | return RESULT_UNSUP_HOST; | |
1288 | ||
1289 | sg_init_table(&sg, 1); | |
1290 | sg_set_page(&sg, test->highmem, size, 0); | |
1291 | ||
1292 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
1293 | if (ret) | |
1294 | return ret; | |
1295 | ||
1296 | return 0; | |
1297 | } | |
1298 | ||
64f7120d AH |
1299 | #else |
1300 | ||
1301 | static int mmc_test_no_highmem(struct mmc_test_card *test) | |
1302 | { | |
1303 | printk(KERN_INFO "%s: Highmem not configured - test skipped\n", | |
1304 | mmc_hostname(test->card->host)); | |
1305 | return 0; | |
1306 | } | |
1307 | ||
2661081f PO |
1308 | #endif /* CONFIG_HIGHMEM */ |
1309 | ||
64f7120d AH |
1310 | /* |
1311 | * Map sz bytes so that it can be transferred. | |
1312 | */ | |
fec4dcce | 1313 | static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, |
64f7120d AH |
1314 | int max_scatter) |
1315 | { | |
1316 | struct mmc_test_area *t = &test->area; | |
c8c8c1bd | 1317 | int err; |
64f7120d AH |
1318 | |
1319 | t->blocks = sz >> 9; | |
1320 | ||
1321 | if (max_scatter) { | |
c8c8c1bd AH |
1322 | err = mmc_test_map_sg_max_scatter(t->mem, sz, t->sg, |
1323 | t->max_segs, t->max_seg_sz, | |
64f7120d | 1324 | &t->sg_len); |
c8c8c1bd AH |
1325 | } else { |
1326 | err = mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, | |
1327 | t->max_seg_sz, &t->sg_len); | |
64f7120d | 1328 | } |
c8c8c1bd AH |
1329 | if (err) |
1330 | printk(KERN_INFO "%s: Failed to map sg list\n", | |
1331 | mmc_hostname(test->card->host)); | |
1332 | return err; | |
64f7120d AH |
1333 | } |
1334 | ||
1335 | /* | |
1336 | * Transfer bytes mapped by mmc_test_area_map(). | |
1337 | */ | |
1338 | static int mmc_test_area_transfer(struct mmc_test_card *test, | |
1339 | unsigned int dev_addr, int write) | |
1340 | { | |
1341 | struct mmc_test_area *t = &test->area; | |
1342 | ||
1343 | return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr, | |
1344 | t->blocks, 512, write); | |
1345 | } | |
1346 | ||
1347 | /* | |
1348 | * Map and transfer bytes. | |
1349 | */ | |
fec4dcce | 1350 | static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, |
64f7120d AH |
1351 | unsigned int dev_addr, int write, int max_scatter, |
1352 | int timed) | |
1353 | { | |
1354 | struct timespec ts1, ts2; | |
1355 | int ret; | |
1356 | ||
c8c8c1bd AH |
1357 | /* |
1358 | * In the case of a maximally scattered transfer, the maximum transfer | |
1359 | * size is further limited by using PAGE_SIZE segments. | |
1360 | */ | |
1361 | if (max_scatter) { | |
1362 | struct mmc_test_area *t = &test->area; | |
1363 | unsigned long max_tfr; | |
1364 | ||
1365 | if (t->max_seg_sz >= PAGE_SIZE) | |
1366 | max_tfr = t->max_segs * PAGE_SIZE; | |
1367 | else | |
1368 | max_tfr = t->max_segs * t->max_seg_sz; | |
1369 | if (sz > max_tfr) | |
1370 | sz = max_tfr; | |
1371 | } | |
1372 | ||
64f7120d AH |
1373 | ret = mmc_test_area_map(test, sz, max_scatter); |
1374 | if (ret) | |
1375 | return ret; | |
1376 | ||
1377 | if (timed) | |
1378 | getnstimeofday(&ts1); | |
1379 | ||
1380 | ret = mmc_test_area_transfer(test, dev_addr, write); | |
1381 | if (ret) | |
1382 | return ret; | |
1383 | ||
1384 | if (timed) | |
1385 | getnstimeofday(&ts2); | |
1386 | ||
1387 | if (timed) | |
1388 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1389 | ||
1390 | return 0; | |
1391 | } | |
1392 | ||
1393 | /* | |
1394 | * Write the test area entirely. | |
1395 | */ | |
1396 | static int mmc_test_area_fill(struct mmc_test_card *test) | |
1397 | { | |
c8c8c1bd | 1398 | return mmc_test_area_io(test, test->area.max_tfr, test->area.dev_addr, |
64f7120d AH |
1399 | 1, 0, 0); |
1400 | } | |
1401 | ||
1402 | /* | |
1403 | * Erase the test area entirely. | |
1404 | */ | |
1405 | static int mmc_test_area_erase(struct mmc_test_card *test) | |
1406 | { | |
1407 | struct mmc_test_area *t = &test->area; | |
1408 | ||
1409 | if (!mmc_can_erase(test->card)) | |
1410 | return 0; | |
1411 | ||
1412 | return mmc_erase(test->card, t->dev_addr, test->area.max_sz >> 9, | |
1413 | MMC_ERASE_ARG); | |
1414 | } | |
1415 | ||
1416 | /* | |
1417 | * Cleanup struct mmc_test_area. | |
1418 | */ | |
1419 | static int mmc_test_area_cleanup(struct mmc_test_card *test) | |
1420 | { | |
1421 | struct mmc_test_area *t = &test->area; | |
1422 | ||
1423 | kfree(t->sg); | |
1424 | mmc_test_free_mem(t->mem); | |
1425 | ||
1426 | return 0; | |
1427 | } | |
1428 | ||
1429 | /* | |
0532ff63 AH |
1430 | * Initialize an area for testing large transfers. The test area is set to the |
1431 | * middle of the card because cards may have different charateristics at the | |
1432 | * front (for FAT file system optimization). Optionally, the area is erased | |
1433 | * (if the card supports it) which may improve write performance. Optionally, | |
1434 | * the area is filled with data for subsequent read tests. | |
64f7120d AH |
1435 | */ |
1436 | static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill) | |
1437 | { | |
1438 | struct mmc_test_area *t = &test->area; | |
0532ff63 | 1439 | unsigned long min_sz = 64 * 1024, sz; |
64f7120d AH |
1440 | int ret; |
1441 | ||
1442 | ret = mmc_test_set_blksize(test, 512); | |
1443 | if (ret) | |
1444 | return ret; | |
1445 | ||
0532ff63 AH |
1446 | /* Make the test area size about 4MiB */ |
1447 | sz = (unsigned long)test->card->pref_erase << 9; | |
1448 | t->max_sz = sz; | |
1449 | while (t->max_sz < 4 * 1024 * 1024) | |
1450 | t->max_sz += sz; | |
1451 | while (t->max_sz > TEST_AREA_MAX_SIZE && t->max_sz > sz) | |
1452 | t->max_sz -= sz; | |
c8c8c1bd AH |
1453 | |
1454 | t->max_segs = test->card->host->max_segs; | |
1455 | t->max_seg_sz = test->card->host->max_seg_size; | |
1456 | ||
1457 | t->max_tfr = t->max_sz; | |
1458 | if (t->max_tfr >> 9 > test->card->host->max_blk_count) | |
1459 | t->max_tfr = test->card->host->max_blk_count << 9; | |
1460 | if (t->max_tfr > test->card->host->max_req_size) | |
1461 | t->max_tfr = test->card->host->max_req_size; | |
1462 | if (t->max_tfr / t->max_seg_sz > t->max_segs) | |
1463 | t->max_tfr = t->max_segs * t->max_seg_sz; | |
1464 | ||
64f7120d | 1465 | /* |
3d203be8 | 1466 | * Try to allocate enough memory for a max. sized transfer. Less is OK |
64f7120d | 1467 | * because the same memory can be mapped into the scatterlist more than |
c8c8c1bd AH |
1468 | * once. Also, take into account the limits imposed on scatterlist |
1469 | * segments by the host driver. | |
64f7120d | 1470 | */ |
3d203be8 | 1471 | t->mem = mmc_test_alloc_mem(min_sz, t->max_tfr, t->max_segs, |
c8c8c1bd | 1472 | t->max_seg_sz); |
64f7120d AH |
1473 | if (!t->mem) |
1474 | return -ENOMEM; | |
1475 | ||
64f7120d AH |
1476 | t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL); |
1477 | if (!t->sg) { | |
1478 | ret = -ENOMEM; | |
1479 | goto out_free; | |
1480 | } | |
1481 | ||
1482 | t->dev_addr = mmc_test_capacity(test->card) / 2; | |
1483 | t->dev_addr -= t->dev_addr % (t->max_sz >> 9); | |
1484 | ||
1485 | if (erase) { | |
1486 | ret = mmc_test_area_erase(test); | |
1487 | if (ret) | |
1488 | goto out_free; | |
1489 | } | |
1490 | ||
1491 | if (fill) { | |
1492 | ret = mmc_test_area_fill(test); | |
1493 | if (ret) | |
1494 | goto out_free; | |
1495 | } | |
1496 | ||
1497 | return 0; | |
1498 | ||
1499 | out_free: | |
1500 | mmc_test_area_cleanup(test); | |
1501 | return ret; | |
1502 | } | |
1503 | ||
1504 | /* | |
1505 | * Prepare for large transfers. Do not erase the test area. | |
1506 | */ | |
1507 | static int mmc_test_area_prepare(struct mmc_test_card *test) | |
1508 | { | |
1509 | return mmc_test_area_init(test, 0, 0); | |
1510 | } | |
1511 | ||
1512 | /* | |
1513 | * Prepare for large transfers. Do erase the test area. | |
1514 | */ | |
1515 | static int mmc_test_area_prepare_erase(struct mmc_test_card *test) | |
1516 | { | |
1517 | return mmc_test_area_init(test, 1, 0); | |
1518 | } | |
1519 | ||
1520 | /* | |
1521 | * Prepare for large transfers. Erase and fill the test area. | |
1522 | */ | |
1523 | static int mmc_test_area_prepare_fill(struct mmc_test_card *test) | |
1524 | { | |
1525 | return mmc_test_area_init(test, 1, 1); | |
1526 | } | |
1527 | ||
1528 | /* | |
1529 | * Test best-case performance. Best-case performance is expected from | |
1530 | * a single large transfer. | |
1531 | * | |
1532 | * An additional option (max_scatter) allows the measurement of the same | |
1533 | * transfer but with no contiguous pages in the scatter list. This tests | |
1534 | * the efficiency of DMA to handle scattered pages. | |
1535 | */ | |
1536 | static int mmc_test_best_performance(struct mmc_test_card *test, int write, | |
1537 | int max_scatter) | |
1538 | { | |
c8c8c1bd | 1539 | return mmc_test_area_io(test, test->area.max_tfr, test->area.dev_addr, |
64f7120d AH |
1540 | write, max_scatter, 1); |
1541 | } | |
1542 | ||
1543 | /* | |
1544 | * Best-case read performance. | |
1545 | */ | |
1546 | static int mmc_test_best_read_performance(struct mmc_test_card *test) | |
1547 | { | |
1548 | return mmc_test_best_performance(test, 0, 0); | |
1549 | } | |
1550 | ||
1551 | /* | |
1552 | * Best-case write performance. | |
1553 | */ | |
1554 | static int mmc_test_best_write_performance(struct mmc_test_card *test) | |
1555 | { | |
1556 | return mmc_test_best_performance(test, 1, 0); | |
1557 | } | |
1558 | ||
1559 | /* | |
1560 | * Best-case read performance into scattered pages. | |
1561 | */ | |
1562 | static int mmc_test_best_read_perf_max_scatter(struct mmc_test_card *test) | |
1563 | { | |
1564 | return mmc_test_best_performance(test, 0, 1); | |
1565 | } | |
1566 | ||
1567 | /* | |
1568 | * Best-case write performance from scattered pages. | |
1569 | */ | |
1570 | static int mmc_test_best_write_perf_max_scatter(struct mmc_test_card *test) | |
1571 | { | |
1572 | return mmc_test_best_performance(test, 1, 1); | |
1573 | } | |
1574 | ||
1575 | /* | |
1576 | * Single read performance by transfer size. | |
1577 | */ | |
1578 | static int mmc_test_profile_read_perf(struct mmc_test_card *test) | |
1579 | { | |
fec4dcce AH |
1580 | unsigned long sz; |
1581 | unsigned int dev_addr; | |
64f7120d AH |
1582 | int ret; |
1583 | ||
c8c8c1bd | 1584 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
64f7120d AH |
1585 | dev_addr = test->area.dev_addr + (sz >> 9); |
1586 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); | |
1587 | if (ret) | |
1588 | return ret; | |
1589 | } | |
c8c8c1bd | 1590 | sz = test->area.max_tfr; |
64f7120d AH |
1591 | dev_addr = test->area.dev_addr; |
1592 | return mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); | |
1593 | } | |
1594 | ||
1595 | /* | |
1596 | * Single write performance by transfer size. | |
1597 | */ | |
1598 | static int mmc_test_profile_write_perf(struct mmc_test_card *test) | |
1599 | { | |
fec4dcce AH |
1600 | unsigned long sz; |
1601 | unsigned int dev_addr; | |
64f7120d AH |
1602 | int ret; |
1603 | ||
1604 | ret = mmc_test_area_erase(test); | |
1605 | if (ret) | |
1606 | return ret; | |
c8c8c1bd | 1607 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
64f7120d AH |
1608 | dev_addr = test->area.dev_addr + (sz >> 9); |
1609 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); | |
1610 | if (ret) | |
1611 | return ret; | |
1612 | } | |
1613 | ret = mmc_test_area_erase(test); | |
1614 | if (ret) | |
1615 | return ret; | |
c8c8c1bd | 1616 | sz = test->area.max_tfr; |
64f7120d AH |
1617 | dev_addr = test->area.dev_addr; |
1618 | return mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); | |
1619 | } | |
1620 | ||
1621 | /* | |
1622 | * Single trim performance by transfer size. | |
1623 | */ | |
1624 | static int mmc_test_profile_trim_perf(struct mmc_test_card *test) | |
1625 | { | |
fec4dcce AH |
1626 | unsigned long sz; |
1627 | unsigned int dev_addr; | |
64f7120d AH |
1628 | struct timespec ts1, ts2; |
1629 | int ret; | |
1630 | ||
1631 | if (!mmc_can_trim(test->card)) | |
1632 | return RESULT_UNSUP_CARD; | |
1633 | ||
1634 | if (!mmc_can_erase(test->card)) | |
1635 | return RESULT_UNSUP_HOST; | |
1636 | ||
1637 | for (sz = 512; sz < test->area.max_sz; sz <<= 1) { | |
1638 | dev_addr = test->area.dev_addr + (sz >> 9); | |
1639 | getnstimeofday(&ts1); | |
1640 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1641 | if (ret) | |
1642 | return ret; | |
1643 | getnstimeofday(&ts2); | |
1644 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1645 | } | |
1646 | dev_addr = test->area.dev_addr; | |
1647 | getnstimeofday(&ts1); | |
1648 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1649 | if (ret) | |
1650 | return ret; | |
1651 | getnstimeofday(&ts2); | |
1652 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1653 | return 0; | |
1654 | } | |
1655 | ||
c8c8c1bd AH |
1656 | static int mmc_test_seq_read_perf(struct mmc_test_card *test, unsigned long sz) |
1657 | { | |
1658 | unsigned int dev_addr, i, cnt; | |
1659 | struct timespec ts1, ts2; | |
1660 | int ret; | |
1661 | ||
1662 | cnt = test->area.max_sz / sz; | |
1663 | dev_addr = test->area.dev_addr; | |
1664 | getnstimeofday(&ts1); | |
1665 | for (i = 0; i < cnt; i++) { | |
1666 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 0); | |
1667 | if (ret) | |
1668 | return ret; | |
1669 | dev_addr += (sz >> 9); | |
1670 | } | |
1671 | getnstimeofday(&ts2); | |
1672 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1673 | return 0; | |
1674 | } | |
1675 | ||
64f7120d AH |
1676 | /* |
1677 | * Consecutive read performance by transfer size. | |
1678 | */ | |
1679 | static int mmc_test_profile_seq_read_perf(struct mmc_test_card *test) | |
1680 | { | |
fec4dcce | 1681 | unsigned long sz; |
c8c8c1bd AH |
1682 | int ret; |
1683 | ||
1684 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { | |
1685 | ret = mmc_test_seq_read_perf(test, sz); | |
1686 | if (ret) | |
1687 | return ret; | |
1688 | } | |
1689 | sz = test->area.max_tfr; | |
1690 | return mmc_test_seq_read_perf(test, sz); | |
1691 | } | |
1692 | ||
1693 | static int mmc_test_seq_write_perf(struct mmc_test_card *test, unsigned long sz) | |
1694 | { | |
fec4dcce | 1695 | unsigned int dev_addr, i, cnt; |
64f7120d AH |
1696 | struct timespec ts1, ts2; |
1697 | int ret; | |
1698 | ||
c8c8c1bd AH |
1699 | ret = mmc_test_area_erase(test); |
1700 | if (ret) | |
1701 | return ret; | |
1702 | cnt = test->area.max_sz / sz; | |
1703 | dev_addr = test->area.dev_addr; | |
1704 | getnstimeofday(&ts1); | |
1705 | for (i = 0; i < cnt; i++) { | |
1706 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 0); | |
1707 | if (ret) | |
1708 | return ret; | |
1709 | dev_addr += (sz >> 9); | |
64f7120d | 1710 | } |
c8c8c1bd AH |
1711 | getnstimeofday(&ts2); |
1712 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
64f7120d AH |
1713 | return 0; |
1714 | } | |
1715 | ||
1716 | /* | |
1717 | * Consecutive write performance by transfer size. | |
1718 | */ | |
1719 | static int mmc_test_profile_seq_write_perf(struct mmc_test_card *test) | |
1720 | { | |
fec4dcce | 1721 | unsigned long sz; |
64f7120d AH |
1722 | int ret; |
1723 | ||
c8c8c1bd AH |
1724 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
1725 | ret = mmc_test_seq_write_perf(test, sz); | |
64f7120d AH |
1726 | if (ret) |
1727 | return ret; | |
64f7120d | 1728 | } |
c8c8c1bd AH |
1729 | sz = test->area.max_tfr; |
1730 | return mmc_test_seq_write_perf(test, sz); | |
64f7120d AH |
1731 | } |
1732 | ||
1733 | /* | |
1734 | * Consecutive trim performance by transfer size. | |
1735 | */ | |
1736 | static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test) | |
1737 | { | |
fec4dcce AH |
1738 | unsigned long sz; |
1739 | unsigned int dev_addr, i, cnt; | |
64f7120d AH |
1740 | struct timespec ts1, ts2; |
1741 | int ret; | |
1742 | ||
1743 | if (!mmc_can_trim(test->card)) | |
1744 | return RESULT_UNSUP_CARD; | |
1745 | ||
1746 | if (!mmc_can_erase(test->card)) | |
1747 | return RESULT_UNSUP_HOST; | |
1748 | ||
1749 | for (sz = 512; sz <= test->area.max_sz; sz <<= 1) { | |
1750 | ret = mmc_test_area_erase(test); | |
1751 | if (ret) | |
1752 | return ret; | |
1753 | ret = mmc_test_area_fill(test); | |
1754 | if (ret) | |
1755 | return ret; | |
1756 | cnt = test->area.max_sz / sz; | |
1757 | dev_addr = test->area.dev_addr; | |
1758 | getnstimeofday(&ts1); | |
1759 | for (i = 0; i < cnt; i++) { | |
1760 | ret = mmc_erase(test->card, dev_addr, sz >> 9, | |
1761 | MMC_TRIM_ARG); | |
1762 | if (ret) | |
1763 | return ret; | |
1764 | dev_addr += (sz >> 9); | |
1765 | } | |
1766 | getnstimeofday(&ts2); | |
1767 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1768 | } | |
1769 | return 0; | |
1770 | } | |
1771 | ||
b6056d12 AH |
1772 | static unsigned int rnd_next = 1; |
1773 | ||
1774 | static unsigned int mmc_test_rnd_num(unsigned int rnd_cnt) | |
1775 | { | |
1776 | uint64_t r; | |
1777 | ||
1778 | rnd_next = rnd_next * 1103515245 + 12345; | |
1779 | r = (rnd_next >> 16) & 0x7fff; | |
1780 | return (r * rnd_cnt) >> 15; | |
1781 | } | |
1782 | ||
1783 | static int mmc_test_rnd_perf(struct mmc_test_card *test, int write, int print, | |
1784 | unsigned long sz) | |
1785 | { | |
1786 | unsigned int dev_addr, cnt, rnd_addr, range1, range2, last_ea = 0, ea; | |
1787 | unsigned int ssz; | |
1788 | struct timespec ts1, ts2, ts; | |
1789 | int ret; | |
1790 | ||
1791 | ssz = sz >> 9; | |
1792 | ||
1793 | rnd_addr = mmc_test_capacity(test->card) / 4; | |
1794 | range1 = rnd_addr / test->card->pref_erase; | |
1795 | range2 = range1 / ssz; | |
1796 | ||
1797 | getnstimeofday(&ts1); | |
1798 | for (cnt = 0; cnt < UINT_MAX; cnt++) { | |
1799 | getnstimeofday(&ts2); | |
1800 | ts = timespec_sub(ts2, ts1); | |
1801 | if (ts.tv_sec >= 10) | |
1802 | break; | |
1803 | ea = mmc_test_rnd_num(range1); | |
1804 | if (ea == last_ea) | |
1805 | ea -= 1; | |
1806 | last_ea = ea; | |
1807 | dev_addr = rnd_addr + test->card->pref_erase * ea + | |
1808 | ssz * mmc_test_rnd_num(range2); | |
1809 | ret = mmc_test_area_io(test, sz, dev_addr, write, 0, 0); | |
1810 | if (ret) | |
1811 | return ret; | |
1812 | } | |
1813 | if (print) | |
1814 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1815 | return 0; | |
1816 | } | |
1817 | ||
1818 | static int mmc_test_random_perf(struct mmc_test_card *test, int write) | |
1819 | { | |
1820 | unsigned int next; | |
1821 | unsigned long sz; | |
1822 | int ret; | |
1823 | ||
1824 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { | |
1825 | /* | |
1826 | * When writing, try to get more consistent results by running | |
1827 | * the test twice with exactly the same I/O but outputting the | |
1828 | * results only for the 2nd run. | |
1829 | */ | |
1830 | if (write) { | |
1831 | next = rnd_next; | |
1832 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1833 | if (ret) | |
1834 | return ret; | |
1835 | rnd_next = next; | |
1836 | } | |
1837 | ret = mmc_test_rnd_perf(test, write, 1, sz); | |
1838 | if (ret) | |
1839 | return ret; | |
1840 | } | |
1841 | sz = test->area.max_tfr; | |
1842 | if (write) { | |
1843 | next = rnd_next; | |
1844 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1845 | if (ret) | |
1846 | return ret; | |
1847 | rnd_next = next; | |
1848 | } | |
1849 | return mmc_test_rnd_perf(test, write, 1, sz); | |
1850 | } | |
1851 | ||
1852 | /* | |
1853 | * Random read performance by transfer size. | |
1854 | */ | |
1855 | static int mmc_test_random_read_perf(struct mmc_test_card *test) | |
1856 | { | |
1857 | return mmc_test_random_perf(test, 0); | |
1858 | } | |
1859 | ||
1860 | /* | |
1861 | * Random write performance by transfer size. | |
1862 | */ | |
1863 | static int mmc_test_random_write_perf(struct mmc_test_card *test) | |
1864 | { | |
1865 | return mmc_test_random_perf(test, 1); | |
1866 | } | |
1867 | ||
a803d551 AH |
1868 | static int mmc_test_seq_perf(struct mmc_test_card *test, int write, |
1869 | unsigned int tot_sz, int max_scatter) | |
1870 | { | |
1871 | unsigned int dev_addr, i, cnt, sz, ssz; | |
5a8fba52 | 1872 | struct timespec ts1, ts2; |
a803d551 AH |
1873 | int ret; |
1874 | ||
1875 | sz = test->area.max_tfr; | |
1876 | /* | |
1877 | * In the case of a maximally scattered transfer, the maximum transfer | |
1878 | * size is further limited by using PAGE_SIZE segments. | |
1879 | */ | |
1880 | if (max_scatter) { | |
1881 | struct mmc_test_area *t = &test->area; | |
1882 | unsigned long max_tfr; | |
1883 | ||
1884 | if (t->max_seg_sz >= PAGE_SIZE) | |
1885 | max_tfr = t->max_segs * PAGE_SIZE; | |
1886 | else | |
1887 | max_tfr = t->max_segs * t->max_seg_sz; | |
1888 | if (sz > max_tfr) | |
1889 | sz = max_tfr; | |
1890 | } | |
1891 | ||
1892 | ssz = sz >> 9; | |
1893 | dev_addr = mmc_test_capacity(test->card) / 4; | |
1894 | if (tot_sz > dev_addr << 9) | |
1895 | tot_sz = dev_addr << 9; | |
1896 | cnt = tot_sz / sz; | |
1897 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ | |
1898 | ||
1899 | getnstimeofday(&ts1); | |
1900 | for (i = 0; i < cnt; i++) { | |
1901 | ret = mmc_test_area_io(test, sz, dev_addr, write, | |
1902 | max_scatter, 0); | |
1903 | if (ret) | |
1904 | return ret; | |
1905 | dev_addr += ssz; | |
1906 | } | |
1907 | getnstimeofday(&ts2); | |
1908 | ||
a803d551 AH |
1909 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
1910 | ||
1911 | return 0; | |
1912 | } | |
1913 | ||
1914 | static int mmc_test_large_seq_perf(struct mmc_test_card *test, int write) | |
1915 | { | |
1916 | int ret, i; | |
1917 | ||
1918 | for (i = 0; i < 10; i++) { | |
1919 | ret = mmc_test_seq_perf(test, write, 10 * 1024 * 1024, 1); | |
1920 | if (ret) | |
1921 | return ret; | |
1922 | } | |
1923 | for (i = 0; i < 5; i++) { | |
1924 | ret = mmc_test_seq_perf(test, write, 100 * 1024 * 1024, 1); | |
1925 | if (ret) | |
1926 | return ret; | |
1927 | } | |
1928 | for (i = 0; i < 3; i++) { | |
1929 | ret = mmc_test_seq_perf(test, write, 1000 * 1024 * 1024, 1); | |
1930 | if (ret) | |
1931 | return ret; | |
1932 | } | |
1933 | ||
1934 | return ret; | |
1935 | } | |
1936 | ||
1937 | /* | |
1938 | * Large sequential read performance. | |
1939 | */ | |
1940 | static int mmc_test_large_seq_read_perf(struct mmc_test_card *test) | |
1941 | { | |
1942 | return mmc_test_large_seq_perf(test, 0); | |
1943 | } | |
1944 | ||
1945 | /* | |
1946 | * Large sequential write performance. | |
1947 | */ | |
1948 | static int mmc_test_large_seq_write_perf(struct mmc_test_card *test) | |
1949 | { | |
1950 | return mmc_test_large_seq_perf(test, 1); | |
1951 | } | |
1952 | ||
88ae600d PO |
1953 | static const struct mmc_test_case mmc_test_cases[] = { |
1954 | { | |
1955 | .name = "Basic write (no data verification)", | |
1956 | .run = mmc_test_basic_write, | |
1957 | }, | |
1958 | ||
1959 | { | |
1960 | .name = "Basic read (no data verification)", | |
1961 | .run = mmc_test_basic_read, | |
1962 | }, | |
1963 | ||
1964 | { | |
1965 | .name = "Basic write (with data verification)", | |
6b174931 | 1966 | .prepare = mmc_test_prepare_write, |
88ae600d | 1967 | .run = mmc_test_verify_write, |
6b174931 | 1968 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1969 | }, |
1970 | ||
1971 | { | |
1972 | .name = "Basic read (with data verification)", | |
6b174931 | 1973 | .prepare = mmc_test_prepare_read, |
88ae600d | 1974 | .run = mmc_test_verify_read, |
6b174931 | 1975 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1976 | }, |
1977 | ||
1978 | { | |
1979 | .name = "Multi-block write", | |
6b174931 | 1980 | .prepare = mmc_test_prepare_write, |
88ae600d | 1981 | .run = mmc_test_multi_write, |
6b174931 | 1982 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1983 | }, |
1984 | ||
1985 | { | |
1986 | .name = "Multi-block read", | |
6b174931 | 1987 | .prepare = mmc_test_prepare_read, |
88ae600d | 1988 | .run = mmc_test_multi_read, |
6b174931 | 1989 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1990 | }, |
1991 | ||
1992 | { | |
1993 | .name = "Power of two block writes", | |
6b174931 | 1994 | .prepare = mmc_test_prepare_write, |
88ae600d | 1995 | .run = mmc_test_pow2_write, |
6b174931 | 1996 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
1997 | }, |
1998 | ||
1999 | { | |
2000 | .name = "Power of two block reads", | |
6b174931 | 2001 | .prepare = mmc_test_prepare_read, |
88ae600d | 2002 | .run = mmc_test_pow2_read, |
6b174931 | 2003 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2004 | }, |
2005 | ||
2006 | { | |
2007 | .name = "Weird sized block writes", | |
6b174931 | 2008 | .prepare = mmc_test_prepare_write, |
88ae600d | 2009 | .run = mmc_test_weird_write, |
6b174931 | 2010 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2011 | }, |
2012 | ||
2013 | { | |
2014 | .name = "Weird sized block reads", | |
6b174931 | 2015 | .prepare = mmc_test_prepare_read, |
88ae600d | 2016 | .run = mmc_test_weird_read, |
6b174931 | 2017 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2018 | }, |
2019 | ||
2020 | { | |
2021 | .name = "Badly aligned write", | |
6b174931 | 2022 | .prepare = mmc_test_prepare_write, |
88ae600d | 2023 | .run = mmc_test_align_write, |
6b174931 | 2024 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2025 | }, |
2026 | ||
2027 | { | |
2028 | .name = "Badly aligned read", | |
6b174931 | 2029 | .prepare = mmc_test_prepare_read, |
88ae600d | 2030 | .run = mmc_test_align_read, |
6b174931 | 2031 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2032 | }, |
2033 | ||
2034 | { | |
2035 | .name = "Badly aligned multi-block write", | |
6b174931 | 2036 | .prepare = mmc_test_prepare_write, |
88ae600d | 2037 | .run = mmc_test_align_multi_write, |
6b174931 | 2038 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2039 | }, |
2040 | ||
2041 | { | |
2042 | .name = "Badly aligned multi-block read", | |
6b174931 | 2043 | .prepare = mmc_test_prepare_read, |
88ae600d | 2044 | .run = mmc_test_align_multi_read, |
6b174931 | 2045 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2046 | }, |
2047 | ||
2048 | { | |
2049 | .name = "Correct xfer_size at write (start failure)", | |
2050 | .run = mmc_test_xfersize_write, | |
2051 | }, | |
2052 | ||
2053 | { | |
2054 | .name = "Correct xfer_size at read (start failure)", | |
2055 | .run = mmc_test_xfersize_read, | |
2056 | }, | |
2057 | ||
2058 | { | |
2059 | .name = "Correct xfer_size at write (midway failure)", | |
2060 | .run = mmc_test_multi_xfersize_write, | |
2061 | }, | |
2062 | ||
2063 | { | |
2064 | .name = "Correct xfer_size at read (midway failure)", | |
2065 | .run = mmc_test_multi_xfersize_read, | |
2066 | }, | |
2661081f PO |
2067 | |
2068 | #ifdef CONFIG_HIGHMEM | |
2069 | ||
2070 | { | |
2071 | .name = "Highmem write", | |
2072 | .prepare = mmc_test_prepare_write, | |
2073 | .run = mmc_test_write_high, | |
2074 | .cleanup = mmc_test_cleanup, | |
2075 | }, | |
2076 | ||
2077 | { | |
2078 | .name = "Highmem read", | |
2079 | .prepare = mmc_test_prepare_read, | |
2080 | .run = mmc_test_read_high, | |
2081 | .cleanup = mmc_test_cleanup, | |
2082 | }, | |
2083 | ||
2084 | { | |
2085 | .name = "Multi-block highmem write", | |
2086 | .prepare = mmc_test_prepare_write, | |
2087 | .run = mmc_test_multi_write_high, | |
2088 | .cleanup = mmc_test_cleanup, | |
2089 | }, | |
2090 | ||
2091 | { | |
2092 | .name = "Multi-block highmem read", | |
2093 | .prepare = mmc_test_prepare_read, | |
2094 | .run = mmc_test_multi_read_high, | |
2095 | .cleanup = mmc_test_cleanup, | |
2096 | }, | |
2097 | ||
64f7120d AH |
2098 | #else |
2099 | ||
2100 | { | |
2101 | .name = "Highmem write", | |
2102 | .run = mmc_test_no_highmem, | |
2103 | }, | |
2104 | ||
2105 | { | |
2106 | .name = "Highmem read", | |
2107 | .run = mmc_test_no_highmem, | |
2108 | }, | |
2109 | ||
2110 | { | |
2111 | .name = "Multi-block highmem write", | |
2112 | .run = mmc_test_no_highmem, | |
2113 | }, | |
2114 | ||
2115 | { | |
2116 | .name = "Multi-block highmem read", | |
2117 | .run = mmc_test_no_highmem, | |
2118 | }, | |
2119 | ||
2661081f PO |
2120 | #endif /* CONFIG_HIGHMEM */ |
2121 | ||
64f7120d AH |
2122 | { |
2123 | .name = "Best-case read performance", | |
2124 | .prepare = mmc_test_area_prepare_fill, | |
2125 | .run = mmc_test_best_read_performance, | |
2126 | .cleanup = mmc_test_area_cleanup, | |
2127 | }, | |
2128 | ||
2129 | { | |
2130 | .name = "Best-case write performance", | |
2131 | .prepare = mmc_test_area_prepare_erase, | |
2132 | .run = mmc_test_best_write_performance, | |
2133 | .cleanup = mmc_test_area_cleanup, | |
2134 | }, | |
2135 | ||
2136 | { | |
2137 | .name = "Best-case read performance into scattered pages", | |
2138 | .prepare = mmc_test_area_prepare_fill, | |
2139 | .run = mmc_test_best_read_perf_max_scatter, | |
2140 | .cleanup = mmc_test_area_cleanup, | |
2141 | }, | |
2142 | ||
2143 | { | |
2144 | .name = "Best-case write performance from scattered pages", | |
2145 | .prepare = mmc_test_area_prepare_erase, | |
2146 | .run = mmc_test_best_write_perf_max_scatter, | |
2147 | .cleanup = mmc_test_area_cleanup, | |
2148 | }, | |
2149 | ||
2150 | { | |
2151 | .name = "Single read performance by transfer size", | |
2152 | .prepare = mmc_test_area_prepare_fill, | |
2153 | .run = mmc_test_profile_read_perf, | |
2154 | .cleanup = mmc_test_area_cleanup, | |
2155 | }, | |
2156 | ||
2157 | { | |
2158 | .name = "Single write performance by transfer size", | |
2159 | .prepare = mmc_test_area_prepare, | |
2160 | .run = mmc_test_profile_write_perf, | |
2161 | .cleanup = mmc_test_area_cleanup, | |
2162 | }, | |
2163 | ||
2164 | { | |
2165 | .name = "Single trim performance by transfer size", | |
2166 | .prepare = mmc_test_area_prepare_fill, | |
2167 | .run = mmc_test_profile_trim_perf, | |
2168 | .cleanup = mmc_test_area_cleanup, | |
2169 | }, | |
2170 | ||
2171 | { | |
2172 | .name = "Consecutive read performance by transfer size", | |
2173 | .prepare = mmc_test_area_prepare_fill, | |
2174 | .run = mmc_test_profile_seq_read_perf, | |
2175 | .cleanup = mmc_test_area_cleanup, | |
2176 | }, | |
2177 | ||
2178 | { | |
2179 | .name = "Consecutive write performance by transfer size", | |
2180 | .prepare = mmc_test_area_prepare, | |
2181 | .run = mmc_test_profile_seq_write_perf, | |
2182 | .cleanup = mmc_test_area_cleanup, | |
2183 | }, | |
2184 | ||
2185 | { | |
2186 | .name = "Consecutive trim performance by transfer size", | |
2187 | .prepare = mmc_test_area_prepare, | |
2188 | .run = mmc_test_profile_seq_trim_perf, | |
2189 | .cleanup = mmc_test_area_cleanup, | |
2190 | }, | |
2191 | ||
b6056d12 AH |
2192 | { |
2193 | .name = "Random read performance by transfer size", | |
2194 | .prepare = mmc_test_area_prepare, | |
2195 | .run = mmc_test_random_read_perf, | |
2196 | .cleanup = mmc_test_area_cleanup, | |
2197 | }, | |
2198 | ||
2199 | { | |
2200 | .name = "Random write performance by transfer size", | |
2201 | .prepare = mmc_test_area_prepare, | |
2202 | .run = mmc_test_random_write_perf, | |
2203 | .cleanup = mmc_test_area_cleanup, | |
2204 | }, | |
2205 | ||
a803d551 AH |
2206 | { |
2207 | .name = "Large sequential read into scattered pages", | |
2208 | .prepare = mmc_test_area_prepare, | |
2209 | .run = mmc_test_large_seq_read_perf, | |
2210 | .cleanup = mmc_test_area_cleanup, | |
2211 | }, | |
2212 | ||
2213 | { | |
2214 | .name = "Large sequential write from scattered pages", | |
2215 | .prepare = mmc_test_area_prepare, | |
2216 | .run = mmc_test_large_seq_write_perf, | |
2217 | .cleanup = mmc_test_area_cleanup, | |
2218 | }, | |
2219 | ||
88ae600d PO |
2220 | }; |
2221 | ||
a650031a | 2222 | static DEFINE_MUTEX(mmc_test_lock); |
88ae600d | 2223 | |
3183aa15 AS |
2224 | static LIST_HEAD(mmc_test_result); |
2225 | ||
fd8c326c | 2226 | static void mmc_test_run(struct mmc_test_card *test, int testcase) |
88ae600d PO |
2227 | { |
2228 | int i, ret; | |
2229 | ||
2230 | printk(KERN_INFO "%s: Starting tests of card %s...\n", | |
2231 | mmc_hostname(test->card->host), mmc_card_id(test->card)); | |
2232 | ||
2233 | mmc_claim_host(test->card->host); | |
2234 | ||
2235 | for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) { | |
3183aa15 AS |
2236 | struct mmc_test_general_result *gr; |
2237 | ||
fd8c326c PO |
2238 | if (testcase && ((i + 1) != testcase)) |
2239 | continue; | |
2240 | ||
88ae600d PO |
2241 | printk(KERN_INFO "%s: Test case %d. %s...\n", |
2242 | mmc_hostname(test->card->host), i + 1, | |
2243 | mmc_test_cases[i].name); | |
2244 | ||
2245 | if (mmc_test_cases[i].prepare) { | |
2246 | ret = mmc_test_cases[i].prepare(test); | |
2247 | if (ret) { | |
2248 | printk(KERN_INFO "%s: Result: Prepare " | |
2249 | "stage failed! (%d)\n", | |
2250 | mmc_hostname(test->card->host), | |
2251 | ret); | |
2252 | continue; | |
2253 | } | |
2254 | } | |
2255 | ||
3183aa15 AS |
2256 | gr = kzalloc(sizeof(struct mmc_test_general_result), |
2257 | GFP_KERNEL); | |
2258 | if (gr) { | |
2259 | INIT_LIST_HEAD(&gr->tr_lst); | |
2260 | ||
2261 | /* Assign data what we know already */ | |
2262 | gr->card = test->card; | |
2263 | gr->testcase = i; | |
2264 | ||
2265 | /* Append container to global one */ | |
2266 | list_add_tail(&gr->link, &mmc_test_result); | |
2267 | ||
2268 | /* | |
2269 | * Save the pointer to created container in our private | |
2270 | * structure. | |
2271 | */ | |
2272 | test->gr = gr; | |
2273 | } | |
2274 | ||
88ae600d PO |
2275 | ret = mmc_test_cases[i].run(test); |
2276 | switch (ret) { | |
2277 | case RESULT_OK: | |
2278 | printk(KERN_INFO "%s: Result: OK\n", | |
2279 | mmc_hostname(test->card->host)); | |
2280 | break; | |
2281 | case RESULT_FAIL: | |
2282 | printk(KERN_INFO "%s: Result: FAILED\n", | |
2283 | mmc_hostname(test->card->host)); | |
2284 | break; | |
2285 | case RESULT_UNSUP_HOST: | |
2286 | printk(KERN_INFO "%s: Result: UNSUPPORTED " | |
2287 | "(by host)\n", | |
2288 | mmc_hostname(test->card->host)); | |
2289 | break; | |
2290 | case RESULT_UNSUP_CARD: | |
2291 | printk(KERN_INFO "%s: Result: UNSUPPORTED " | |
2292 | "(by card)\n", | |
2293 | mmc_hostname(test->card->host)); | |
2294 | break; | |
2295 | default: | |
2296 | printk(KERN_INFO "%s: Result: ERROR (%d)\n", | |
2297 | mmc_hostname(test->card->host), ret); | |
2298 | } | |
2299 | ||
3183aa15 AS |
2300 | /* Save the result */ |
2301 | if (gr) | |
2302 | gr->result = ret; | |
2303 | ||
88ae600d PO |
2304 | if (mmc_test_cases[i].cleanup) { |
2305 | ret = mmc_test_cases[i].cleanup(test); | |
2306 | if (ret) { | |
2307 | printk(KERN_INFO "%s: Warning: Cleanup " | |
2308 | "stage failed! (%d)\n", | |
2309 | mmc_hostname(test->card->host), | |
2310 | ret); | |
2311 | } | |
2312 | } | |
2313 | } | |
2314 | ||
2315 | mmc_release_host(test->card->host); | |
2316 | ||
2317 | printk(KERN_INFO "%s: Tests completed.\n", | |
2318 | mmc_hostname(test->card->host)); | |
2319 | } | |
2320 | ||
3183aa15 AS |
2321 | static void mmc_test_free_result(struct mmc_card *card) |
2322 | { | |
2323 | struct mmc_test_general_result *gr, *grs; | |
2324 | ||
2325 | mutex_lock(&mmc_test_lock); | |
2326 | ||
2327 | list_for_each_entry_safe(gr, grs, &mmc_test_result, link) { | |
2328 | struct mmc_test_transfer_result *tr, *trs; | |
2329 | ||
2330 | if (card && gr->card != card) | |
2331 | continue; | |
2332 | ||
2333 | list_for_each_entry_safe(tr, trs, &gr->tr_lst, link) { | |
2334 | list_del(&tr->link); | |
2335 | kfree(tr); | |
2336 | } | |
2337 | ||
2338 | list_del(&gr->link); | |
2339 | kfree(gr); | |
2340 | } | |
2341 | ||
2342 | mutex_unlock(&mmc_test_lock); | |
2343 | } | |
2344 | ||
130067ed AS |
2345 | static LIST_HEAD(mmc_test_file_test); |
2346 | ||
2347 | static int mtf_test_show(struct seq_file *sf, void *data) | |
88ae600d | 2348 | { |
130067ed | 2349 | struct mmc_card *card = (struct mmc_card *)sf->private; |
3183aa15 | 2350 | struct mmc_test_general_result *gr; |
3183aa15 | 2351 | |
88ae600d | 2352 | mutex_lock(&mmc_test_lock); |
3183aa15 AS |
2353 | |
2354 | list_for_each_entry(gr, &mmc_test_result, link) { | |
2355 | struct mmc_test_transfer_result *tr; | |
2356 | ||
2357 | if (gr->card != card) | |
2358 | continue; | |
2359 | ||
130067ed | 2360 | seq_printf(sf, "Test %d: %d\n", gr->testcase + 1, gr->result); |
3183aa15 AS |
2361 | |
2362 | list_for_each_entry(tr, &gr->tr_lst, link) { | |
b6056d12 | 2363 | seq_printf(sf, "%u %d %lu.%09lu %u %u.%02u\n", |
3183aa15 AS |
2364 | tr->count, tr->sectors, |
2365 | (unsigned long)tr->ts.tv_sec, | |
2366 | (unsigned long)tr->ts.tv_nsec, | |
b6056d12 | 2367 | tr->rate, tr->iops / 100, tr->iops % 100); |
3183aa15 AS |
2368 | } |
2369 | } | |
2370 | ||
88ae600d PO |
2371 | mutex_unlock(&mmc_test_lock); |
2372 | ||
130067ed | 2373 | return 0; |
88ae600d PO |
2374 | } |
2375 | ||
130067ed | 2376 | static int mtf_test_open(struct inode *inode, struct file *file) |
88ae600d | 2377 | { |
130067ed AS |
2378 | return single_open(file, mtf_test_show, inode->i_private); |
2379 | } | |
2380 | ||
2381 | static ssize_t mtf_test_write(struct file *file, const char __user *buf, | |
2382 | size_t count, loff_t *pos) | |
2383 | { | |
2384 | struct seq_file *sf = (struct seq_file *)file->private_data; | |
2385 | struct mmc_card *card = (struct mmc_card *)sf->private; | |
88ae600d | 2386 | struct mmc_test_card *test; |
130067ed | 2387 | char lbuf[12]; |
5c25aee5 | 2388 | long testcase; |
88ae600d | 2389 | |
130067ed AS |
2390 | if (count >= sizeof(lbuf)) |
2391 | return -EINVAL; | |
2392 | ||
2393 | if (copy_from_user(lbuf, buf, count)) | |
2394 | return -EFAULT; | |
2395 | lbuf[count] = '\0'; | |
2396 | ||
2397 | if (strict_strtol(lbuf, 10, &testcase)) | |
5c25aee5 | 2398 | return -EINVAL; |
fd8c326c | 2399 | |
88ae600d PO |
2400 | test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL); |
2401 | if (!test) | |
2402 | return -ENOMEM; | |
2403 | ||
3183aa15 AS |
2404 | /* |
2405 | * Remove all test cases associated with given card. Thus we have only | |
2406 | * actual data of the last run. | |
2407 | */ | |
2408 | mmc_test_free_result(card); | |
2409 | ||
88ae600d PO |
2410 | test->card = card; |
2411 | ||
2412 | test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); | |
2661081f PO |
2413 | #ifdef CONFIG_HIGHMEM |
2414 | test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); | |
2415 | #endif | |
2416 | ||
2417 | #ifdef CONFIG_HIGHMEM | |
2418 | if (test->buffer && test->highmem) { | |
2419 | #else | |
88ae600d | 2420 | if (test->buffer) { |
2661081f | 2421 | #endif |
88ae600d | 2422 | mutex_lock(&mmc_test_lock); |
fd8c326c | 2423 | mmc_test_run(test, testcase); |
88ae600d PO |
2424 | mutex_unlock(&mmc_test_lock); |
2425 | } | |
2426 | ||
2661081f PO |
2427 | #ifdef CONFIG_HIGHMEM |
2428 | __free_pages(test->highmem, BUFFER_ORDER); | |
2429 | #endif | |
88ae600d PO |
2430 | kfree(test->buffer); |
2431 | kfree(test); | |
2432 | ||
2433 | return count; | |
2434 | } | |
2435 | ||
130067ed AS |
2436 | static const struct file_operations mmc_test_fops_test = { |
2437 | .open = mtf_test_open, | |
2438 | .read = seq_read, | |
2439 | .write = mtf_test_write, | |
2440 | .llseek = seq_lseek, | |
2441 | .release = single_release, | |
2442 | }; | |
2443 | ||
2444 | static void mmc_test_free_file_test(struct mmc_card *card) | |
2445 | { | |
2446 | struct mmc_test_dbgfs_file *df, *dfs; | |
2447 | ||
2448 | mutex_lock(&mmc_test_lock); | |
2449 | ||
2450 | list_for_each_entry_safe(df, dfs, &mmc_test_file_test, link) { | |
2451 | if (card && df->card != card) | |
2452 | continue; | |
2453 | debugfs_remove(df->file); | |
2454 | list_del(&df->link); | |
2455 | kfree(df); | |
2456 | } | |
2457 | ||
2458 | mutex_unlock(&mmc_test_lock); | |
2459 | } | |
2460 | ||
2461 | static int mmc_test_register_file_test(struct mmc_card *card) | |
2462 | { | |
2463 | struct dentry *file = NULL; | |
2464 | struct mmc_test_dbgfs_file *df; | |
2465 | int ret = 0; | |
2466 | ||
2467 | mutex_lock(&mmc_test_lock); | |
2468 | ||
2469 | if (card->debugfs_root) | |
2470 | file = debugfs_create_file("test", S_IWUSR | S_IRUGO, | |
2471 | card->debugfs_root, card, &mmc_test_fops_test); | |
2472 | ||
2473 | if (IS_ERR_OR_NULL(file)) { | |
2474 | dev_err(&card->dev, | |
2475 | "Can't create file. Perhaps debugfs is disabled.\n"); | |
2476 | ret = -ENODEV; | |
2477 | goto err; | |
2478 | } | |
2479 | ||
2480 | df = kmalloc(sizeof(struct mmc_test_dbgfs_file), GFP_KERNEL); | |
2481 | if (!df) { | |
2482 | debugfs_remove(file); | |
2483 | dev_err(&card->dev, | |
2484 | "Can't allocate memory for internal usage.\n"); | |
2485 | ret = -ENOMEM; | |
2486 | goto err; | |
2487 | } | |
2488 | ||
2489 | df->card = card; | |
2490 | df->file = file; | |
2491 | ||
2492 | list_add(&df->link, &mmc_test_file_test); | |
2493 | ||
2494 | err: | |
2495 | mutex_unlock(&mmc_test_lock); | |
2496 | ||
2497 | return ret; | |
2498 | } | |
88ae600d PO |
2499 | |
2500 | static int mmc_test_probe(struct mmc_card *card) | |
2501 | { | |
2502 | int ret; | |
2503 | ||
63be54ce | 2504 | if (!mmc_card_mmc(card) && !mmc_card_sd(card)) |
0121a982 PO |
2505 | return -ENODEV; |
2506 | ||
130067ed | 2507 | ret = mmc_test_register_file_test(card); |
88ae600d PO |
2508 | if (ret) |
2509 | return ret; | |
2510 | ||
60c9c7b1 PO |
2511 | dev_info(&card->dev, "Card claimed for testing.\n"); |
2512 | ||
88ae600d PO |
2513 | return 0; |
2514 | } | |
2515 | ||
2516 | static void mmc_test_remove(struct mmc_card *card) | |
2517 | { | |
3183aa15 | 2518 | mmc_test_free_result(card); |
130067ed | 2519 | mmc_test_free_file_test(card); |
88ae600d PO |
2520 | } |
2521 | ||
2522 | static struct mmc_driver mmc_driver = { | |
2523 | .drv = { | |
2524 | .name = "mmc_test", | |
2525 | }, | |
2526 | .probe = mmc_test_probe, | |
2527 | .remove = mmc_test_remove, | |
2528 | }; | |
2529 | ||
2530 | static int __init mmc_test_init(void) | |
2531 | { | |
2532 | return mmc_register_driver(&mmc_driver); | |
2533 | } | |
2534 | ||
2535 | static void __exit mmc_test_exit(void) | |
2536 | { | |
3183aa15 AS |
2537 | /* Clear stalled data if card is still plugged */ |
2538 | mmc_test_free_result(NULL); | |
130067ed | 2539 | mmc_test_free_file_test(NULL); |
3183aa15 | 2540 | |
88ae600d PO |
2541 | mmc_unregister_driver(&mmc_driver); |
2542 | } | |
2543 | ||
2544 | module_init(mmc_test_init); | |
2545 | module_exit(mmc_test_exit); | |
2546 | ||
2547 | MODULE_LICENSE("GPL"); | |
2548 | MODULE_DESCRIPTION("Multimedia Card (MMC) host test driver"); | |
2549 | MODULE_AUTHOR("Pierre Ossman"); |