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Commit | Line | Data |
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88ae600d PO |
1 | /* |
2 | * linux/drivers/mmc/card/mmc_test.c | |
3 | * | |
0121a982 | 4 | * Copyright 2007-2008 Pierre Ossman |
88ae600d PO |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or (at | |
9 | * your option) any later version. | |
10 | */ | |
11 | ||
12 | #include <linux/mmc/core.h> | |
13 | #include <linux/mmc/card.h> | |
14 | #include <linux/mmc/host.h> | |
15 | #include <linux/mmc/mmc.h> | |
5a0e3ad6 | 16 | #include <linux/slab.h> |
88ae600d PO |
17 | |
18 | #include <linux/scatterlist.h> | |
fec4dcce | 19 | #include <linux/swap.h> /* For nr_free_buffer_pages() */ |
3183aa15 | 20 | #include <linux/list.h> |
88ae600d | 21 | |
130067ed AS |
22 | #include <linux/debugfs.h> |
23 | #include <linux/uaccess.h> | |
24 | #include <linux/seq_file.h> | |
88b47679 | 25 | #include <linux/module.h> |
130067ed | 26 | |
88ae600d PO |
27 | #define RESULT_OK 0 |
28 | #define RESULT_FAIL 1 | |
29 | #define RESULT_UNSUP_HOST 2 | |
30 | #define RESULT_UNSUP_CARD 3 | |
31 | ||
2661081f PO |
32 | #define BUFFER_ORDER 2 |
33 | #define BUFFER_SIZE (PAGE_SIZE << BUFFER_ORDER) | |
88ae600d | 34 | |
3ee14bf7 AH |
35 | #define TEST_ALIGN_END 8 |
36 | ||
fec4dcce AH |
37 | /* |
38 | * Limit the test area size to the maximum MMC HC erase group size. Note that | |
39 | * the maximum SD allocation unit size is just 4MiB. | |
40 | */ | |
41 | #define TEST_AREA_MAX_SIZE (128 * 1024 * 1024) | |
42 | ||
64f7120d AH |
43 | /** |
44 | * struct mmc_test_pages - pages allocated by 'alloc_pages()'. | |
45 | * @page: first page in the allocation | |
46 | * @order: order of the number of pages allocated | |
47 | */ | |
48 | struct mmc_test_pages { | |
49 | struct page *page; | |
50 | unsigned int order; | |
51 | }; | |
52 | ||
53 | /** | |
54 | * struct mmc_test_mem - allocated memory. | |
55 | * @arr: array of allocations | |
56 | * @cnt: number of allocations | |
57 | */ | |
58 | struct mmc_test_mem { | |
59 | struct mmc_test_pages *arr; | |
60 | unsigned int cnt; | |
61 | }; | |
62 | ||
63 | /** | |
64 | * struct mmc_test_area - information for performance tests. | |
64f7120d | 65 | * @max_sz: test area size (in bytes) |
fec4dcce | 66 | * @dev_addr: address on card at which to do performance tests |
c8c8c1bd AH |
67 | * @max_tfr: maximum transfer size allowed by driver (in bytes) |
68 | * @max_segs: maximum segments allowed by driver in scatterlist @sg | |
69 | * @max_seg_sz: maximum segment size allowed by driver | |
64f7120d AH |
70 | * @blocks: number of (512 byte) blocks currently mapped by @sg |
71 | * @sg_len: length of currently mapped scatterlist @sg | |
72 | * @mem: allocated memory | |
73 | * @sg: scatterlist | |
74 | */ | |
75 | struct mmc_test_area { | |
fec4dcce | 76 | unsigned long max_sz; |
64f7120d | 77 | unsigned int dev_addr; |
c8c8c1bd | 78 | unsigned int max_tfr; |
64f7120d | 79 | unsigned int max_segs; |
c8c8c1bd | 80 | unsigned int max_seg_sz; |
64f7120d AH |
81 | unsigned int blocks; |
82 | unsigned int sg_len; | |
83 | struct mmc_test_mem *mem; | |
84 | struct scatterlist *sg; | |
85 | }; | |
86 | ||
3183aa15 AS |
87 | /** |
88 | * struct mmc_test_transfer_result - transfer results for performance tests. | |
89 | * @link: double-linked list | |
90 | * @count: amount of group of sectors to check | |
91 | * @sectors: amount of sectors to check in one group | |
92 | * @ts: time values of transfer | |
93 | * @rate: calculated transfer rate | |
b6056d12 | 94 | * @iops: I/O operations per second (times 100) |
3183aa15 AS |
95 | */ |
96 | struct mmc_test_transfer_result { | |
97 | struct list_head link; | |
98 | unsigned int count; | |
99 | unsigned int sectors; | |
100 | struct timespec ts; | |
101 | unsigned int rate; | |
b6056d12 | 102 | unsigned int iops; |
3183aa15 AS |
103 | }; |
104 | ||
105 | /** | |
106 | * struct mmc_test_general_result - results for tests. | |
107 | * @link: double-linked list | |
108 | * @card: card under test | |
109 | * @testcase: number of test case | |
110 | * @result: result of test run | |
111 | * @tr_lst: transfer measurements if any as mmc_test_transfer_result | |
112 | */ | |
113 | struct mmc_test_general_result { | |
114 | struct list_head link; | |
115 | struct mmc_card *card; | |
116 | int testcase; | |
117 | int result; | |
118 | struct list_head tr_lst; | |
119 | }; | |
120 | ||
130067ed AS |
121 | /** |
122 | * struct mmc_test_dbgfs_file - debugfs related file. | |
123 | * @link: double-linked list | |
124 | * @card: card under test | |
125 | * @file: file created under debugfs | |
126 | */ | |
127 | struct mmc_test_dbgfs_file { | |
128 | struct list_head link; | |
129 | struct mmc_card *card; | |
130 | struct dentry *file; | |
131 | }; | |
132 | ||
64f7120d AH |
133 | /** |
134 | * struct mmc_test_card - test information. | |
135 | * @card: card under test | |
136 | * @scratch: transfer buffer | |
137 | * @buffer: transfer buffer | |
138 | * @highmem: buffer for highmem tests | |
139 | * @area: information for performance tests | |
3183aa15 | 140 | * @gr: pointer to results of current testcase |
64f7120d | 141 | */ |
88ae600d PO |
142 | struct mmc_test_card { |
143 | struct mmc_card *card; | |
144 | ||
6b174931 | 145 | u8 scratch[BUFFER_SIZE]; |
88ae600d | 146 | u8 *buffer; |
2661081f PO |
147 | #ifdef CONFIG_HIGHMEM |
148 | struct page *highmem; | |
149 | #endif | |
3183aa15 AS |
150 | struct mmc_test_area area; |
151 | struct mmc_test_general_result *gr; | |
88ae600d PO |
152 | }; |
153 | ||
9f9c4180 PF |
154 | enum mmc_test_prep_media { |
155 | MMC_TEST_PREP_NONE = 0, | |
156 | MMC_TEST_PREP_WRITE_FULL = 1 << 0, | |
157 | MMC_TEST_PREP_ERASE = 1 << 1, | |
158 | }; | |
159 | ||
160 | struct mmc_test_multiple_rw { | |
bf043330 | 161 | unsigned int *sg_len; |
9f9c4180 PF |
162 | unsigned int *bs; |
163 | unsigned int len; | |
164 | unsigned int size; | |
165 | bool do_write; | |
166 | bool do_nonblock_req; | |
167 | enum mmc_test_prep_media prepare; | |
168 | }; | |
169 | ||
170 | struct mmc_test_async_req { | |
171 | struct mmc_async_req areq; | |
172 | struct mmc_test_card *test; | |
173 | }; | |
174 | ||
88ae600d | 175 | /*******************************************************************/ |
6b174931 | 176 | /* General helper functions */ |
88ae600d PO |
177 | /*******************************************************************/ |
178 | ||
6b174931 PO |
179 | /* |
180 | * Configure correct block size in card | |
181 | */ | |
88ae600d PO |
182 | static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size) |
183 | { | |
0f8d8ea6 | 184 | return mmc_set_blocklen(test->card, size); |
88ae600d PO |
185 | } |
186 | ||
4bbb9aac AH |
187 | static bool mmc_test_card_cmd23(struct mmc_card *card) |
188 | { | |
189 | return mmc_card_mmc(card) || | |
190 | (mmc_card_sd(card) && card->scr.cmds & SD_SCR_CMD23_SUPPORT); | |
191 | } | |
192 | ||
193 | static void mmc_test_prepare_sbc(struct mmc_test_card *test, | |
194 | struct mmc_request *mrq, unsigned int blocks) | |
195 | { | |
196 | struct mmc_card *card = test->card; | |
197 | ||
198 | if (!mrq->sbc || !mmc_host_cmd23(card->host) || | |
199 | !mmc_test_card_cmd23(card) || !mmc_op_multi(mrq->cmd->opcode) || | |
200 | (card->quirks & MMC_QUIRK_BLK_NO_CMD23)) { | |
201 | mrq->sbc = NULL; | |
202 | return; | |
203 | } | |
204 | ||
205 | mrq->sbc->opcode = MMC_SET_BLOCK_COUNT; | |
206 | mrq->sbc->arg = blocks; | |
207 | mrq->sbc->flags = MMC_RSP_R1 | MMC_CMD_AC; | |
208 | } | |
209 | ||
6b174931 PO |
210 | /* |
211 | * Fill in the mmc_request structure given a set of transfer parameters. | |
212 | */ | |
213 | static void mmc_test_prepare_mrq(struct mmc_test_card *test, | |
214 | struct mmc_request *mrq, struct scatterlist *sg, unsigned sg_len, | |
215 | unsigned dev_addr, unsigned blocks, unsigned blksz, int write) | |
88ae600d | 216 | { |
6b174931 | 217 | BUG_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop); |
88ae600d | 218 | |
6b174931 PO |
219 | if (blocks > 1) { |
220 | mrq->cmd->opcode = write ? | |
221 | MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK; | |
88ae600d | 222 | } else { |
6b174931 PO |
223 | mrq->cmd->opcode = write ? |
224 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
88ae600d PO |
225 | } |
226 | ||
6b174931 | 227 | mrq->cmd->arg = dev_addr; |
c286d03c JK |
228 | if (!mmc_card_blockaddr(test->card)) |
229 | mrq->cmd->arg <<= 9; | |
230 | ||
6b174931 | 231 | mrq->cmd->flags = MMC_RSP_R1 | MMC_CMD_ADTC; |
88ae600d | 232 | |
6b174931 PO |
233 | if (blocks == 1) |
234 | mrq->stop = NULL; | |
235 | else { | |
236 | mrq->stop->opcode = MMC_STOP_TRANSMISSION; | |
237 | mrq->stop->arg = 0; | |
238 | mrq->stop->flags = MMC_RSP_R1B | MMC_CMD_AC; | |
88ae600d PO |
239 | } |
240 | ||
6b174931 PO |
241 | mrq->data->blksz = blksz; |
242 | mrq->data->blocks = blocks; | |
243 | mrq->data->flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; | |
244 | mrq->data->sg = sg; | |
245 | mrq->data->sg_len = sg_len; | |
88ae600d | 246 | |
4bbb9aac AH |
247 | mmc_test_prepare_sbc(test, mrq, blocks); |
248 | ||
6b174931 PO |
249 | mmc_set_data_timeout(mrq->data, test->card); |
250 | } | |
88ae600d | 251 | |
64f7120d AH |
252 | static int mmc_test_busy(struct mmc_command *cmd) |
253 | { | |
254 | return !(cmd->resp[0] & R1_READY_FOR_DATA) || | |
7435bb79 | 255 | (R1_CURRENT_STATE(cmd->resp[0]) == R1_STATE_PRG); |
64f7120d AH |
256 | } |
257 | ||
6b174931 PO |
258 | /* |
259 | * Wait for the card to finish the busy state | |
260 | */ | |
261 | static int mmc_test_wait_busy(struct mmc_test_card *test) | |
262 | { | |
263 | int ret, busy; | |
1278dba1 | 264 | struct mmc_command cmd = {0}; |
88ae600d PO |
265 | |
266 | busy = 0; | |
267 | do { | |
88ae600d PO |
268 | memset(&cmd, 0, sizeof(struct mmc_command)); |
269 | ||
270 | cmd.opcode = MMC_SEND_STATUS; | |
271 | cmd.arg = test->card->rca << 16; | |
272 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; | |
273 | ||
6b174931 PO |
274 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); |
275 | if (ret) | |
88ae600d PO |
276 | break; |
277 | ||
64f7120d | 278 | if (!busy && mmc_test_busy(&cmd)) { |
88ae600d | 279 | busy = 1; |
54d6b44a | 280 | if (test->card->host->caps & MMC_CAP_WAIT_WHILE_BUSY) |
a3c76eb9 | 281 | pr_info("%s: Warning: Host did not " |
54d6b44a PM |
282 | "wait for busy state to end.\n", |
283 | mmc_hostname(test->card->host)); | |
88ae600d | 284 | } |
64f7120d | 285 | } while (mmc_test_busy(&cmd)); |
88ae600d PO |
286 | |
287 | return ret; | |
288 | } | |
289 | ||
6b174931 PO |
290 | /* |
291 | * Transfer a single sector of kernel addressable data | |
292 | */ | |
293 | static int mmc_test_buffer_transfer(struct mmc_test_card *test, | |
294 | u8 *buffer, unsigned addr, unsigned blksz, int write) | |
88ae600d | 295 | { |
24f5b53b | 296 | struct mmc_request mrq = {0}; |
1278dba1 CB |
297 | struct mmc_command cmd = {0}; |
298 | struct mmc_command stop = {0}; | |
a61ad2b4 | 299 | struct mmc_data data = {0}; |
6b174931 PO |
300 | |
301 | struct scatterlist sg; | |
302 | ||
6b174931 PO |
303 | mrq.cmd = &cmd; |
304 | mrq.data = &data; | |
305 | mrq.stop = &stop; | |
306 | ||
307 | sg_init_one(&sg, buffer, blksz); | |
308 | ||
309 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write); | |
310 | ||
311 | mmc_wait_for_req(test->card->host, &mrq); | |
312 | ||
313 | if (cmd.error) | |
314 | return cmd.error; | |
315 | if (data.error) | |
316 | return data.error; | |
317 | ||
30a9b9e1 | 318 | return mmc_test_wait_busy(test); |
88ae600d PO |
319 | } |
320 | ||
64f7120d AH |
321 | static void mmc_test_free_mem(struct mmc_test_mem *mem) |
322 | { | |
323 | if (!mem) | |
324 | return; | |
325 | while (mem->cnt--) | |
326 | __free_pages(mem->arr[mem->cnt].page, | |
327 | mem->arr[mem->cnt].order); | |
328 | kfree(mem->arr); | |
329 | kfree(mem); | |
330 | } | |
331 | ||
332 | /* | |
25985edc | 333 | * Allocate a lot of memory, preferably max_sz but at least min_sz. In case |
c8c8c1bd AH |
334 | * there isn't much memory do not exceed 1/16th total lowmem pages. Also do |
335 | * not exceed a maximum number of segments and try not to make segments much | |
336 | * bigger than maximum segment size. | |
64f7120d | 337 | */ |
fec4dcce | 338 | static struct mmc_test_mem *mmc_test_alloc_mem(unsigned long min_sz, |
c8c8c1bd AH |
339 | unsigned long max_sz, |
340 | unsigned int max_segs, | |
341 | unsigned int max_seg_sz) | |
64f7120d | 342 | { |
fec4dcce AH |
343 | unsigned long max_page_cnt = DIV_ROUND_UP(max_sz, PAGE_SIZE); |
344 | unsigned long min_page_cnt = DIV_ROUND_UP(min_sz, PAGE_SIZE); | |
c8c8c1bd | 345 | unsigned long max_seg_page_cnt = DIV_ROUND_UP(max_seg_sz, PAGE_SIZE); |
fec4dcce AH |
346 | unsigned long page_cnt = 0; |
347 | unsigned long limit = nr_free_buffer_pages() >> 4; | |
64f7120d | 348 | struct mmc_test_mem *mem; |
64f7120d | 349 | |
fec4dcce AH |
350 | if (max_page_cnt > limit) |
351 | max_page_cnt = limit; | |
3d203be8 AH |
352 | if (min_page_cnt > max_page_cnt) |
353 | min_page_cnt = max_page_cnt; | |
64f7120d | 354 | |
c8c8c1bd AH |
355 | if (max_seg_page_cnt > max_page_cnt) |
356 | max_seg_page_cnt = max_page_cnt; | |
357 | ||
358 | if (max_segs > max_page_cnt) | |
359 | max_segs = max_page_cnt; | |
360 | ||
64f7120d AH |
361 | mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL); |
362 | if (!mem) | |
363 | return NULL; | |
364 | ||
c8c8c1bd | 365 | mem->arr = kzalloc(sizeof(struct mmc_test_pages) * max_segs, |
64f7120d AH |
366 | GFP_KERNEL); |
367 | if (!mem->arr) | |
368 | goto out_free; | |
369 | ||
370 | while (max_page_cnt) { | |
371 | struct page *page; | |
372 | unsigned int order; | |
373 | gfp_t flags = GFP_KERNEL | GFP_DMA | __GFP_NOWARN | | |
374 | __GFP_NORETRY; | |
375 | ||
c8c8c1bd | 376 | order = get_order(max_seg_page_cnt << PAGE_SHIFT); |
64f7120d AH |
377 | while (1) { |
378 | page = alloc_pages(flags, order); | |
379 | if (page || !order) | |
380 | break; | |
381 | order -= 1; | |
382 | } | |
383 | if (!page) { | |
384 | if (page_cnt < min_page_cnt) | |
385 | goto out_free; | |
386 | break; | |
387 | } | |
388 | mem->arr[mem->cnt].page = page; | |
389 | mem->arr[mem->cnt].order = order; | |
390 | mem->cnt += 1; | |
fec4dcce AH |
391 | if (max_page_cnt <= (1UL << order)) |
392 | break; | |
3d203be8 AH |
393 | max_page_cnt -= 1UL << order; |
394 | page_cnt += 1UL << order; | |
c8c8c1bd AH |
395 | if (mem->cnt >= max_segs) { |
396 | if (page_cnt < min_page_cnt) | |
397 | goto out_free; | |
398 | break; | |
399 | } | |
64f7120d AH |
400 | } |
401 | ||
402 | return mem; | |
403 | ||
404 | out_free: | |
405 | mmc_test_free_mem(mem); | |
406 | return NULL; | |
407 | } | |
408 | ||
409 | /* | |
410 | * Map memory into a scatterlist. Optionally allow the same memory to be | |
411 | * mapped more than once. | |
412 | */ | |
bf043330 | 413 | static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long size, |
64f7120d | 414 | struct scatterlist *sglist, int repeat, |
c8c8c1bd | 415 | unsigned int max_segs, unsigned int max_seg_sz, |
bf043330 | 416 | unsigned int *sg_len, int min_sg_len) |
64f7120d AH |
417 | { |
418 | struct scatterlist *sg = NULL; | |
419 | unsigned int i; | |
bf043330 | 420 | unsigned long sz = size; |
64f7120d AH |
421 | |
422 | sg_init_table(sglist, max_segs); | |
bf043330 PF |
423 | if (min_sg_len > max_segs) |
424 | min_sg_len = max_segs; | |
64f7120d AH |
425 | |
426 | *sg_len = 0; | |
427 | do { | |
428 | for (i = 0; i < mem->cnt; i++) { | |
fec4dcce | 429 | unsigned long len = PAGE_SIZE << mem->arr[i].order; |
64f7120d | 430 | |
bf043330 PF |
431 | if (min_sg_len && (size / min_sg_len < len)) |
432 | len = ALIGN(size / min_sg_len, 512); | |
c8c8c1bd | 433 | if (len > sz) |
64f7120d | 434 | len = sz; |
c8c8c1bd AH |
435 | if (len > max_seg_sz) |
436 | len = max_seg_sz; | |
64f7120d AH |
437 | if (sg) |
438 | sg = sg_next(sg); | |
439 | else | |
440 | sg = sglist; | |
441 | if (!sg) | |
442 | return -EINVAL; | |
443 | sg_set_page(sg, mem->arr[i].page, len, 0); | |
444 | sz -= len; | |
445 | *sg_len += 1; | |
446 | if (!sz) | |
447 | break; | |
448 | } | |
449 | } while (sz && repeat); | |
450 | ||
451 | if (sz) | |
452 | return -EINVAL; | |
453 | ||
454 | if (sg) | |
455 | sg_mark_end(sg); | |
456 | ||
457 | return 0; | |
458 | } | |
459 | ||
460 | /* | |
461 | * Map memory into a scatterlist so that no pages are contiguous. Allow the | |
462 | * same memory to be mapped more than once. | |
463 | */ | |
464 | static int mmc_test_map_sg_max_scatter(struct mmc_test_mem *mem, | |
fec4dcce | 465 | unsigned long sz, |
64f7120d AH |
466 | struct scatterlist *sglist, |
467 | unsigned int max_segs, | |
c8c8c1bd | 468 | unsigned int max_seg_sz, |
64f7120d AH |
469 | unsigned int *sg_len) |
470 | { | |
471 | struct scatterlist *sg = NULL; | |
fec4dcce AH |
472 | unsigned int i = mem->cnt, cnt; |
473 | unsigned long len; | |
64f7120d AH |
474 | void *base, *addr, *last_addr = NULL; |
475 | ||
476 | sg_init_table(sglist, max_segs); | |
477 | ||
478 | *sg_len = 0; | |
c8c8c1bd | 479 | while (sz) { |
64f7120d AH |
480 | base = page_address(mem->arr[--i].page); |
481 | cnt = 1 << mem->arr[i].order; | |
482 | while (sz && cnt) { | |
483 | addr = base + PAGE_SIZE * --cnt; | |
484 | if (last_addr && last_addr + PAGE_SIZE == addr) | |
485 | continue; | |
486 | last_addr = addr; | |
487 | len = PAGE_SIZE; | |
c8c8c1bd AH |
488 | if (len > max_seg_sz) |
489 | len = max_seg_sz; | |
490 | if (len > sz) | |
64f7120d AH |
491 | len = sz; |
492 | if (sg) | |
493 | sg = sg_next(sg); | |
494 | else | |
495 | sg = sglist; | |
496 | if (!sg) | |
497 | return -EINVAL; | |
498 | sg_set_page(sg, virt_to_page(addr), len, 0); | |
499 | sz -= len; | |
500 | *sg_len += 1; | |
501 | } | |
c8c8c1bd AH |
502 | if (i == 0) |
503 | i = mem->cnt; | |
64f7120d AH |
504 | } |
505 | ||
506 | if (sg) | |
507 | sg_mark_end(sg); | |
508 | ||
509 | return 0; | |
510 | } | |
511 | ||
512 | /* | |
513 | * Calculate transfer rate in bytes per second. | |
514 | */ | |
515 | static unsigned int mmc_test_rate(uint64_t bytes, struct timespec *ts) | |
516 | { | |
517 | uint64_t ns; | |
518 | ||
519 | ns = ts->tv_sec; | |
520 | ns *= 1000000000; | |
521 | ns += ts->tv_nsec; | |
522 | ||
523 | bytes *= 1000000000; | |
524 | ||
525 | while (ns > UINT_MAX) { | |
526 | bytes >>= 1; | |
527 | ns >>= 1; | |
528 | } | |
529 | ||
530 | if (!ns) | |
531 | return 0; | |
532 | ||
533 | do_div(bytes, (uint32_t)ns); | |
534 | ||
535 | return bytes; | |
536 | } | |
537 | ||
3183aa15 AS |
538 | /* |
539 | * Save transfer results for future usage | |
540 | */ | |
541 | static void mmc_test_save_transfer_result(struct mmc_test_card *test, | |
542 | unsigned int count, unsigned int sectors, struct timespec ts, | |
b6056d12 | 543 | unsigned int rate, unsigned int iops) |
3183aa15 AS |
544 | { |
545 | struct mmc_test_transfer_result *tr; | |
546 | ||
547 | if (!test->gr) | |
548 | return; | |
549 | ||
550 | tr = kmalloc(sizeof(struct mmc_test_transfer_result), GFP_KERNEL); | |
551 | if (!tr) | |
552 | return; | |
553 | ||
554 | tr->count = count; | |
555 | tr->sectors = sectors; | |
556 | tr->ts = ts; | |
557 | tr->rate = rate; | |
b6056d12 | 558 | tr->iops = iops; |
3183aa15 AS |
559 | |
560 | list_add_tail(&tr->link, &test->gr->tr_lst); | |
561 | } | |
562 | ||
64f7120d AH |
563 | /* |
564 | * Print the transfer rate. | |
565 | */ | |
566 | static void mmc_test_print_rate(struct mmc_test_card *test, uint64_t bytes, | |
567 | struct timespec *ts1, struct timespec *ts2) | |
568 | { | |
b6056d12 | 569 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
570 | struct timespec ts; |
571 | ||
572 | ts = timespec_sub(*ts2, *ts1); | |
573 | ||
574 | rate = mmc_test_rate(bytes, &ts); | |
b6056d12 | 575 | iops = mmc_test_rate(100, &ts); /* I/O ops per sec x 100 */ |
64f7120d | 576 | |
a3c76eb9 | 577 | pr_info("%s: Transfer of %u sectors (%u%s KiB) took %lu.%09lu " |
b6056d12 | 578 | "seconds (%u kB/s, %u KiB/s, %u.%02u IOPS)\n", |
64f7120d | 579 | mmc_hostname(test->card->host), sectors, sectors >> 1, |
c27d37ae | 580 | (sectors & 1 ? ".5" : ""), (unsigned long)ts.tv_sec, |
b6056d12 AH |
581 | (unsigned long)ts.tv_nsec, rate / 1000, rate / 1024, |
582 | iops / 100, iops % 100); | |
3183aa15 | 583 | |
b6056d12 | 584 | mmc_test_save_transfer_result(test, 1, sectors, ts, rate, iops); |
64f7120d AH |
585 | } |
586 | ||
587 | /* | |
588 | * Print the average transfer rate. | |
589 | */ | |
590 | static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, | |
591 | unsigned int count, struct timespec *ts1, | |
592 | struct timespec *ts2) | |
593 | { | |
b6056d12 | 594 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
595 | uint64_t tot = bytes * count; |
596 | struct timespec ts; | |
597 | ||
598 | ts = timespec_sub(*ts2, *ts1); | |
599 | ||
600 | rate = mmc_test_rate(tot, &ts); | |
b6056d12 | 601 | iops = mmc_test_rate(count * 100, &ts); /* I/O ops per sec x 100 */ |
64f7120d | 602 | |
a3c76eb9 | 603 | pr_info("%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " |
b6056d12 | 604 | "%lu.%09lu seconds (%u kB/s, %u KiB/s, " |
bf043330 | 605 | "%u.%02u IOPS, sg_len %d)\n", |
64f7120d | 606 | mmc_hostname(test->card->host), count, sectors, count, |
c27d37ae | 607 | sectors >> 1, (sectors & 1 ? ".5" : ""), |
64f7120d | 608 | (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, |
bf043330 PF |
609 | rate / 1000, rate / 1024, iops / 100, iops % 100, |
610 | test->area.sg_len); | |
3183aa15 | 611 | |
b6056d12 | 612 | mmc_test_save_transfer_result(test, count, sectors, ts, rate, iops); |
64f7120d AH |
613 | } |
614 | ||
615 | /* | |
616 | * Return the card size in sectors. | |
617 | */ | |
618 | static unsigned int mmc_test_capacity(struct mmc_card *card) | |
619 | { | |
620 | if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) | |
621 | return card->ext_csd.sectors; | |
622 | else | |
623 | return card->csd.capacity << (card->csd.read_blkbits - 9); | |
624 | } | |
625 | ||
6b174931 PO |
626 | /*******************************************************************/ |
627 | /* Test preparation and cleanup */ | |
628 | /*******************************************************************/ | |
629 | ||
630 | /* | |
631 | * Fill the first couple of sectors of the card with known data | |
632 | * so that bad reads/writes can be detected | |
633 | */ | |
634 | static int __mmc_test_prepare(struct mmc_test_card *test, int write) | |
88ae600d PO |
635 | { |
636 | int ret, i; | |
637 | ||
638 | ret = mmc_test_set_blksize(test, 512); | |
639 | if (ret) | |
640 | return ret; | |
641 | ||
642 | if (write) | |
6b174931 | 643 | memset(test->buffer, 0xDF, 512); |
88ae600d | 644 | else { |
6b174931 | 645 | for (i = 0;i < 512;i++) |
88ae600d PO |
646 | test->buffer[i] = i; |
647 | } | |
648 | ||
649 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 650 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
88ae600d PO |
651 | if (ret) |
652 | return ret; | |
653 | } | |
654 | ||
655 | return 0; | |
656 | } | |
657 | ||
6b174931 PO |
658 | static int mmc_test_prepare_write(struct mmc_test_card *test) |
659 | { | |
660 | return __mmc_test_prepare(test, 1); | |
661 | } | |
662 | ||
663 | static int mmc_test_prepare_read(struct mmc_test_card *test) | |
664 | { | |
665 | return __mmc_test_prepare(test, 0); | |
666 | } | |
667 | ||
668 | static int mmc_test_cleanup(struct mmc_test_card *test) | |
669 | { | |
670 | int ret, i; | |
671 | ||
672 | ret = mmc_test_set_blksize(test, 512); | |
673 | if (ret) | |
674 | return ret; | |
675 | ||
676 | memset(test->buffer, 0, 512); | |
677 | ||
678 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 679 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
6b174931 PO |
680 | if (ret) |
681 | return ret; | |
682 | } | |
683 | ||
684 | return 0; | |
685 | } | |
686 | ||
687 | /*******************************************************************/ | |
688 | /* Test execution helpers */ | |
689 | /*******************************************************************/ | |
690 | ||
691 | /* | |
692 | * Modifies the mmc_request to perform the "short transfer" tests | |
693 | */ | |
694 | static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, | |
695 | struct mmc_request *mrq, int write) | |
696 | { | |
697 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
698 | ||
699 | if (mrq->data->blocks > 1) { | |
700 | mrq->cmd->opcode = write ? | |
701 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
702 | mrq->stop = NULL; | |
703 | } else { | |
704 | mrq->cmd->opcode = MMC_SEND_STATUS; | |
705 | mrq->cmd->arg = test->card->rca << 16; | |
706 | } | |
707 | } | |
708 | ||
709 | /* | |
710 | * Checks that a normal transfer didn't have any errors | |
711 | */ | |
712 | static int mmc_test_check_result(struct mmc_test_card *test, | |
9f9c4180 | 713 | struct mmc_request *mrq) |
88ae600d | 714 | { |
6b174931 PO |
715 | int ret; |
716 | ||
717 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
718 | ||
719 | ret = 0; | |
720 | ||
4bbb9aac AH |
721 | if (mrq->sbc && mrq->sbc->error) |
722 | ret = mrq->sbc->error; | |
6b174931 PO |
723 | if (!ret && mrq->cmd->error) |
724 | ret = mrq->cmd->error; | |
725 | if (!ret && mrq->data->error) | |
726 | ret = mrq->data->error; | |
727 | if (!ret && mrq->stop && mrq->stop->error) | |
728 | ret = mrq->stop->error; | |
729 | if (!ret && mrq->data->bytes_xfered != | |
730 | mrq->data->blocks * mrq->data->blksz) | |
731 | ret = RESULT_FAIL; | |
732 | ||
733 | if (ret == -EINVAL) | |
734 | ret = RESULT_UNSUP_HOST; | |
735 | ||
736 | return ret; | |
88ae600d PO |
737 | } |
738 | ||
9f9c4180 PF |
739 | static int mmc_test_check_result_async(struct mmc_card *card, |
740 | struct mmc_async_req *areq) | |
741 | { | |
742 | struct mmc_test_async_req *test_async = | |
743 | container_of(areq, struct mmc_test_async_req, areq); | |
744 | ||
745 | mmc_test_wait_busy(test_async->test); | |
746 | ||
747 | return mmc_test_check_result(test_async->test, areq->mrq); | |
748 | } | |
749 | ||
6b174931 PO |
750 | /* |
751 | * Checks that a "short transfer" behaved as expected | |
752 | */ | |
753 | static int mmc_test_check_broken_result(struct mmc_test_card *test, | |
754 | struct mmc_request *mrq) | |
88ae600d | 755 | { |
6b174931 PO |
756 | int ret; |
757 | ||
758 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); | |
759 | ||
760 | ret = 0; | |
761 | ||
762 | if (!ret && mrq->cmd->error) | |
763 | ret = mrq->cmd->error; | |
764 | if (!ret && mrq->data->error == 0) | |
765 | ret = RESULT_FAIL; | |
766 | if (!ret && mrq->data->error != -ETIMEDOUT) | |
767 | ret = mrq->data->error; | |
768 | if (!ret && mrq->stop && mrq->stop->error) | |
769 | ret = mrq->stop->error; | |
770 | if (mrq->data->blocks > 1) { | |
771 | if (!ret && mrq->data->bytes_xfered > mrq->data->blksz) | |
772 | ret = RESULT_FAIL; | |
773 | } else { | |
774 | if (!ret && mrq->data->bytes_xfered > 0) | |
775 | ret = RESULT_FAIL; | |
776 | } | |
777 | ||
778 | if (ret == -EINVAL) | |
779 | ret = RESULT_UNSUP_HOST; | |
780 | ||
781 | return ret; | |
88ae600d PO |
782 | } |
783 | ||
9f9c4180 PF |
784 | /* |
785 | * Tests nonblock transfer with certain parameters | |
786 | */ | |
787 | static void mmc_test_nonblock_reset(struct mmc_request *mrq, | |
788 | struct mmc_command *cmd, | |
789 | struct mmc_command *stop, | |
790 | struct mmc_data *data) | |
791 | { | |
792 | memset(mrq, 0, sizeof(struct mmc_request)); | |
793 | memset(cmd, 0, sizeof(struct mmc_command)); | |
794 | memset(data, 0, sizeof(struct mmc_data)); | |
795 | memset(stop, 0, sizeof(struct mmc_command)); | |
796 | ||
797 | mrq->cmd = cmd; | |
798 | mrq->data = data; | |
799 | mrq->stop = stop; | |
800 | } | |
801 | static int mmc_test_nonblock_transfer(struct mmc_test_card *test, | |
802 | struct scatterlist *sg, unsigned sg_len, | |
803 | unsigned dev_addr, unsigned blocks, | |
804 | unsigned blksz, int write, int count) | |
805 | { | |
806 | struct mmc_request mrq1; | |
807 | struct mmc_command cmd1; | |
808 | struct mmc_command stop1; | |
809 | struct mmc_data data1; | |
810 | ||
811 | struct mmc_request mrq2; | |
812 | struct mmc_command cmd2; | |
813 | struct mmc_command stop2; | |
814 | struct mmc_data data2; | |
815 | ||
816 | struct mmc_test_async_req test_areq[2]; | |
817 | struct mmc_async_req *done_areq; | |
818 | struct mmc_async_req *cur_areq = &test_areq[0].areq; | |
819 | struct mmc_async_req *other_areq = &test_areq[1].areq; | |
820 | int i; | |
821 | int ret; | |
822 | ||
823 | test_areq[0].test = test; | |
824 | test_areq[1].test = test; | |
825 | ||
826 | mmc_test_nonblock_reset(&mrq1, &cmd1, &stop1, &data1); | |
827 | mmc_test_nonblock_reset(&mrq2, &cmd2, &stop2, &data2); | |
828 | ||
829 | cur_areq->mrq = &mrq1; | |
830 | cur_areq->err_check = mmc_test_check_result_async; | |
831 | other_areq->mrq = &mrq2; | |
832 | other_areq->err_check = mmc_test_check_result_async; | |
833 | ||
834 | for (i = 0; i < count; i++) { | |
835 | mmc_test_prepare_mrq(test, cur_areq->mrq, sg, sg_len, dev_addr, | |
836 | blocks, blksz, write); | |
837 | done_areq = mmc_start_req(test->card->host, cur_areq, &ret); | |
838 | ||
839 | if (ret || (!done_areq && i > 0)) | |
840 | goto err; | |
841 | ||
842 | if (done_areq) { | |
843 | if (done_areq->mrq == &mrq2) | |
844 | mmc_test_nonblock_reset(&mrq2, &cmd2, | |
845 | &stop2, &data2); | |
846 | else | |
847 | mmc_test_nonblock_reset(&mrq1, &cmd1, | |
848 | &stop1, &data1); | |
849 | } | |
75fda77b | 850 | swap(cur_areq, other_areq); |
9f9c4180 PF |
851 | dev_addr += blocks; |
852 | } | |
853 | ||
854 | done_areq = mmc_start_req(test->card->host, NULL, &ret); | |
855 | ||
856 | return ret; | |
857 | err: | |
858 | return ret; | |
859 | } | |
860 | ||
6b174931 PO |
861 | /* |
862 | * Tests a basic transfer with certain parameters | |
863 | */ | |
864 | static int mmc_test_simple_transfer(struct mmc_test_card *test, | |
865 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
866 | unsigned blocks, unsigned blksz, int write) | |
88ae600d | 867 | { |
24f5b53b | 868 | struct mmc_request mrq = {0}; |
1278dba1 CB |
869 | struct mmc_command cmd = {0}; |
870 | struct mmc_command stop = {0}; | |
a61ad2b4 | 871 | struct mmc_data data = {0}; |
88ae600d | 872 | |
6b174931 PO |
873 | mrq.cmd = &cmd; |
874 | mrq.data = &data; | |
875 | mrq.stop = &stop; | |
876 | ||
877 | mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr, | |
878 | blocks, blksz, write); | |
879 | ||
880 | mmc_wait_for_req(test->card->host, &mrq); | |
88ae600d | 881 | |
6b174931 PO |
882 | mmc_test_wait_busy(test); |
883 | ||
884 | return mmc_test_check_result(test, &mrq); | |
885 | } | |
886 | ||
887 | /* | |
888 | * Tests a transfer where the card will fail completely or partly | |
889 | */ | |
890 | static int mmc_test_broken_transfer(struct mmc_test_card *test, | |
891 | unsigned blocks, unsigned blksz, int write) | |
892 | { | |
24f5b53b | 893 | struct mmc_request mrq = {0}; |
1278dba1 CB |
894 | struct mmc_command cmd = {0}; |
895 | struct mmc_command stop = {0}; | |
a61ad2b4 | 896 | struct mmc_data data = {0}; |
6b174931 PO |
897 | |
898 | struct scatterlist sg; | |
899 | ||
6b174931 PO |
900 | mrq.cmd = &cmd; |
901 | mrq.data = &data; | |
902 | mrq.stop = &stop; | |
903 | ||
904 | sg_init_one(&sg, test->buffer, blocks * blksz); | |
905 | ||
906 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write); | |
907 | mmc_test_prepare_broken_mrq(test, &mrq, write); | |
908 | ||
909 | mmc_wait_for_req(test->card->host, &mrq); | |
910 | ||
911 | mmc_test_wait_busy(test); | |
912 | ||
913 | return mmc_test_check_broken_result(test, &mrq); | |
914 | } | |
915 | ||
916 | /* | |
917 | * Does a complete transfer test where data is also validated | |
918 | * | |
919 | * Note: mmc_test_prepare() must have been done before this call | |
920 | */ | |
921 | static int mmc_test_transfer(struct mmc_test_card *test, | |
922 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
923 | unsigned blocks, unsigned blksz, int write) | |
924 | { | |
925 | int ret, i; | |
926 | unsigned long flags; | |
88ae600d PO |
927 | |
928 | if (write) { | |
929 | for (i = 0;i < blocks * blksz;i++) | |
6b174931 PO |
930 | test->scratch[i] = i; |
931 | } else { | |
b7ac2cf1 | 932 | memset(test->scratch, 0, BUFFER_SIZE); |
88ae600d | 933 | } |
6b174931 | 934 | local_irq_save(flags); |
b7ac2cf1 | 935 | sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 936 | local_irq_restore(flags); |
88ae600d PO |
937 | |
938 | ret = mmc_test_set_blksize(test, blksz); | |
939 | if (ret) | |
940 | return ret; | |
941 | ||
6b174931 PO |
942 | ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr, |
943 | blocks, blksz, write); | |
88ae600d PO |
944 | if (ret) |
945 | return ret; | |
946 | ||
947 | if (write) { | |
6b174931 PO |
948 | int sectors; |
949 | ||
88ae600d PO |
950 | ret = mmc_test_set_blksize(test, 512); |
951 | if (ret) | |
952 | return ret; | |
953 | ||
954 | sectors = (blocks * blksz + 511) / 512; | |
955 | if ((sectors * 512) == (blocks * blksz)) | |
956 | sectors++; | |
957 | ||
958 | if ((sectors * 512) > BUFFER_SIZE) | |
959 | return -EINVAL; | |
960 | ||
961 | memset(test->buffer, 0, sectors * 512); | |
962 | ||
963 | for (i = 0;i < sectors;i++) { | |
6b174931 | 964 | ret = mmc_test_buffer_transfer(test, |
88ae600d | 965 | test->buffer + i * 512, |
c286d03c | 966 | dev_addr + i, 512, 0); |
88ae600d PO |
967 | if (ret) |
968 | return ret; | |
969 | } | |
970 | ||
971 | for (i = 0;i < blocks * blksz;i++) { | |
972 | if (test->buffer[i] != (u8)i) | |
973 | return RESULT_FAIL; | |
974 | } | |
975 | ||
976 | for (;i < sectors * 512;i++) { | |
977 | if (test->buffer[i] != 0xDF) | |
978 | return RESULT_FAIL; | |
979 | } | |
980 | } else { | |
6b174931 | 981 | local_irq_save(flags); |
b7ac2cf1 | 982 | sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 983 | local_irq_restore(flags); |
88ae600d | 984 | for (i = 0;i < blocks * blksz;i++) { |
6b174931 | 985 | if (test->scratch[i] != (u8)i) |
88ae600d PO |
986 | return RESULT_FAIL; |
987 | } | |
988 | } | |
989 | ||
990 | return 0; | |
991 | } | |
992 | ||
88ae600d PO |
993 | /*******************************************************************/ |
994 | /* Tests */ | |
995 | /*******************************************************************/ | |
996 | ||
997 | struct mmc_test_case { | |
998 | const char *name; | |
999 | ||
1000 | int (*prepare)(struct mmc_test_card *); | |
1001 | int (*run)(struct mmc_test_card *); | |
1002 | int (*cleanup)(struct mmc_test_card *); | |
1003 | }; | |
1004 | ||
1005 | static int mmc_test_basic_write(struct mmc_test_card *test) | |
1006 | { | |
1007 | int ret; | |
6b174931 | 1008 | struct scatterlist sg; |
88ae600d PO |
1009 | |
1010 | ret = mmc_test_set_blksize(test, 512); | |
1011 | if (ret) | |
1012 | return ret; | |
1013 | ||
6b174931 PO |
1014 | sg_init_one(&sg, test->buffer, 512); |
1015 | ||
30a9b9e1 | 1016 | return mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1); |
88ae600d PO |
1017 | } |
1018 | ||
1019 | static int mmc_test_basic_read(struct mmc_test_card *test) | |
1020 | { | |
1021 | int ret; | |
6b174931 | 1022 | struct scatterlist sg; |
88ae600d PO |
1023 | |
1024 | ret = mmc_test_set_blksize(test, 512); | |
1025 | if (ret) | |
1026 | return ret; | |
1027 | ||
6b174931 PO |
1028 | sg_init_one(&sg, test->buffer, 512); |
1029 | ||
30a9b9e1 | 1030 | return mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
1031 | } |
1032 | ||
1033 | static int mmc_test_verify_write(struct mmc_test_card *test) | |
1034 | { | |
6b174931 PO |
1035 | struct scatterlist sg; |
1036 | ||
1037 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 1038 | |
30a9b9e1 | 1039 | return mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
88ae600d PO |
1040 | } |
1041 | ||
1042 | static int mmc_test_verify_read(struct mmc_test_card *test) | |
1043 | { | |
6b174931 PO |
1044 | struct scatterlist sg; |
1045 | ||
1046 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 1047 | |
30a9b9e1 | 1048 | return mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
1049 | } |
1050 | ||
1051 | static int mmc_test_multi_write(struct mmc_test_card *test) | |
1052 | { | |
88ae600d | 1053 | unsigned int size; |
6b174931 | 1054 | struct scatterlist sg; |
88ae600d PO |
1055 | |
1056 | if (test->card->host->max_blk_count == 1) | |
1057 | return RESULT_UNSUP_HOST; | |
1058 | ||
1059 | size = PAGE_SIZE * 2; | |
1060 | size = min(size, test->card->host->max_req_size); | |
1061 | size = min(size, test->card->host->max_seg_size); | |
1062 | size = min(size, test->card->host->max_blk_count * 512); | |
1063 | ||
1064 | if (size < 1024) | |
1065 | return RESULT_UNSUP_HOST; | |
1066 | ||
6b174931 PO |
1067 | sg_init_one(&sg, test->buffer, size); |
1068 | ||
30a9b9e1 | 1069 | return mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); |
88ae600d PO |
1070 | } |
1071 | ||
1072 | static int mmc_test_multi_read(struct mmc_test_card *test) | |
1073 | { | |
88ae600d | 1074 | unsigned int size; |
6b174931 | 1075 | struct scatterlist sg; |
88ae600d PO |
1076 | |
1077 | if (test->card->host->max_blk_count == 1) | |
1078 | return RESULT_UNSUP_HOST; | |
1079 | ||
1080 | size = PAGE_SIZE * 2; | |
1081 | size = min(size, test->card->host->max_req_size); | |
1082 | size = min(size, test->card->host->max_seg_size); | |
1083 | size = min(size, test->card->host->max_blk_count * 512); | |
1084 | ||
1085 | if (size < 1024) | |
1086 | return RESULT_UNSUP_HOST; | |
1087 | ||
6b174931 PO |
1088 | sg_init_one(&sg, test->buffer, size); |
1089 | ||
30a9b9e1 | 1090 | return mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); |
88ae600d PO |
1091 | } |
1092 | ||
1093 | static int mmc_test_pow2_write(struct mmc_test_card *test) | |
1094 | { | |
1095 | int ret, i; | |
6b174931 | 1096 | struct scatterlist sg; |
88ae600d PO |
1097 | |
1098 | if (!test->card->csd.write_partial) | |
1099 | return RESULT_UNSUP_CARD; | |
1100 | ||
1101 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1102 | sg_init_one(&sg, test->buffer, i); |
1103 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1104 | if (ret) |
1105 | return ret; | |
1106 | } | |
1107 | ||
1108 | return 0; | |
1109 | } | |
1110 | ||
1111 | static int mmc_test_pow2_read(struct mmc_test_card *test) | |
1112 | { | |
1113 | int ret, i; | |
6b174931 | 1114 | struct scatterlist sg; |
88ae600d PO |
1115 | |
1116 | if (!test->card->csd.read_partial) | |
1117 | return RESULT_UNSUP_CARD; | |
1118 | ||
1119 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1120 | sg_init_one(&sg, test->buffer, i); |
1121 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1122 | if (ret) |
1123 | return ret; | |
1124 | } | |
1125 | ||
1126 | return 0; | |
1127 | } | |
1128 | ||
1129 | static int mmc_test_weird_write(struct mmc_test_card *test) | |
1130 | { | |
1131 | int ret, i; | |
6b174931 | 1132 | struct scatterlist sg; |
88ae600d PO |
1133 | |
1134 | if (!test->card->csd.write_partial) | |
1135 | return RESULT_UNSUP_CARD; | |
1136 | ||
1137 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1138 | sg_init_one(&sg, test->buffer, i); |
1139 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1140 | if (ret) |
1141 | return ret; | |
1142 | } | |
1143 | ||
1144 | return 0; | |
1145 | } | |
1146 | ||
1147 | static int mmc_test_weird_read(struct mmc_test_card *test) | |
1148 | { | |
1149 | int ret, i; | |
6b174931 | 1150 | struct scatterlist sg; |
88ae600d PO |
1151 | |
1152 | if (!test->card->csd.read_partial) | |
1153 | return RESULT_UNSUP_CARD; | |
1154 | ||
1155 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1156 | sg_init_one(&sg, test->buffer, i); |
1157 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1158 | if (ret) |
1159 | return ret; | |
1160 | } | |
1161 | ||
1162 | return 0; | |
1163 | } | |
1164 | ||
1165 | static int mmc_test_align_write(struct mmc_test_card *test) | |
1166 | { | |
1167 | int ret, i; | |
6b174931 | 1168 | struct scatterlist sg; |
88ae600d | 1169 | |
3ee14bf7 | 1170 | for (i = 1; i < TEST_ALIGN_END; i++) { |
6b174931 PO |
1171 | sg_init_one(&sg, test->buffer + i, 512); |
1172 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
1173 | if (ret) |
1174 | return ret; | |
1175 | } | |
1176 | ||
1177 | return 0; | |
1178 | } | |
1179 | ||
1180 | static int mmc_test_align_read(struct mmc_test_card *test) | |
1181 | { | |
1182 | int ret, i; | |
6b174931 | 1183 | struct scatterlist sg; |
88ae600d | 1184 | |
3ee14bf7 | 1185 | for (i = 1; i < TEST_ALIGN_END; i++) { |
6b174931 PO |
1186 | sg_init_one(&sg, test->buffer + i, 512); |
1187 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
88ae600d PO |
1188 | if (ret) |
1189 | return ret; | |
1190 | } | |
1191 | ||
1192 | return 0; | |
1193 | } | |
1194 | ||
1195 | static int mmc_test_align_multi_write(struct mmc_test_card *test) | |
1196 | { | |
1197 | int ret, i; | |
1198 | unsigned int size; | |
6b174931 | 1199 | struct scatterlist sg; |
88ae600d PO |
1200 | |
1201 | if (test->card->host->max_blk_count == 1) | |
1202 | return RESULT_UNSUP_HOST; | |
1203 | ||
1204 | size = PAGE_SIZE * 2; | |
1205 | size = min(size, test->card->host->max_req_size); | |
1206 | size = min(size, test->card->host->max_seg_size); | |
1207 | size = min(size, test->card->host->max_blk_count * 512); | |
1208 | ||
1209 | if (size < 1024) | |
1210 | return RESULT_UNSUP_HOST; | |
1211 | ||
3ee14bf7 | 1212 | for (i = 1; i < TEST_ALIGN_END; i++) { |
6b174931 PO |
1213 | sg_init_one(&sg, test->buffer + i, size); |
1214 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1215 | if (ret) |
1216 | return ret; | |
1217 | } | |
1218 | ||
1219 | return 0; | |
1220 | } | |
1221 | ||
1222 | static int mmc_test_align_multi_read(struct mmc_test_card *test) | |
1223 | { | |
1224 | int ret, i; | |
1225 | unsigned int size; | |
6b174931 | 1226 | struct scatterlist sg; |
88ae600d PO |
1227 | |
1228 | if (test->card->host->max_blk_count == 1) | |
1229 | return RESULT_UNSUP_HOST; | |
1230 | ||
1231 | size = PAGE_SIZE * 2; | |
1232 | size = min(size, test->card->host->max_req_size); | |
1233 | size = min(size, test->card->host->max_seg_size); | |
1234 | size = min(size, test->card->host->max_blk_count * 512); | |
1235 | ||
1236 | if (size < 1024) | |
1237 | return RESULT_UNSUP_HOST; | |
1238 | ||
3ee14bf7 | 1239 | for (i = 1; i < TEST_ALIGN_END; i++) { |
6b174931 PO |
1240 | sg_init_one(&sg, test->buffer + i, size); |
1241 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1242 | if (ret) |
1243 | return ret; | |
1244 | } | |
1245 | ||
1246 | return 0; | |
1247 | } | |
1248 | ||
1249 | static int mmc_test_xfersize_write(struct mmc_test_card *test) | |
1250 | { | |
1251 | int ret; | |
1252 | ||
1253 | ret = mmc_test_set_blksize(test, 512); | |
1254 | if (ret) | |
1255 | return ret; | |
1256 | ||
30a9b9e1 | 1257 | return mmc_test_broken_transfer(test, 1, 512, 1); |
88ae600d PO |
1258 | } |
1259 | ||
1260 | static int mmc_test_xfersize_read(struct mmc_test_card *test) | |
1261 | { | |
1262 | int ret; | |
1263 | ||
1264 | ret = mmc_test_set_blksize(test, 512); | |
1265 | if (ret) | |
1266 | return ret; | |
1267 | ||
30a9b9e1 | 1268 | return mmc_test_broken_transfer(test, 1, 512, 0); |
88ae600d PO |
1269 | } |
1270 | ||
1271 | static int mmc_test_multi_xfersize_write(struct mmc_test_card *test) | |
1272 | { | |
1273 | int ret; | |
1274 | ||
1275 | if (test->card->host->max_blk_count == 1) | |
1276 | return RESULT_UNSUP_HOST; | |
1277 | ||
1278 | ret = mmc_test_set_blksize(test, 512); | |
1279 | if (ret) | |
1280 | return ret; | |
1281 | ||
30a9b9e1 | 1282 | return mmc_test_broken_transfer(test, 2, 512, 1); |
88ae600d PO |
1283 | } |
1284 | ||
1285 | static int mmc_test_multi_xfersize_read(struct mmc_test_card *test) | |
1286 | { | |
1287 | int ret; | |
1288 | ||
1289 | if (test->card->host->max_blk_count == 1) | |
1290 | return RESULT_UNSUP_HOST; | |
1291 | ||
1292 | ret = mmc_test_set_blksize(test, 512); | |
1293 | if (ret) | |
1294 | return ret; | |
1295 | ||
30a9b9e1 | 1296 | return mmc_test_broken_transfer(test, 2, 512, 0); |
88ae600d PO |
1297 | } |
1298 | ||
2661081f PO |
1299 | #ifdef CONFIG_HIGHMEM |
1300 | ||
1301 | static int mmc_test_write_high(struct mmc_test_card *test) | |
1302 | { | |
2661081f PO |
1303 | struct scatterlist sg; |
1304 | ||
1305 | sg_init_table(&sg, 1); | |
1306 | sg_set_page(&sg, test->highmem, 512, 0); | |
1307 | ||
30a9b9e1 | 1308 | return mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
2661081f PO |
1309 | } |
1310 | ||
1311 | static int mmc_test_read_high(struct mmc_test_card *test) | |
1312 | { | |
2661081f PO |
1313 | struct scatterlist sg; |
1314 | ||
1315 | sg_init_table(&sg, 1); | |
1316 | sg_set_page(&sg, test->highmem, 512, 0); | |
1317 | ||
30a9b9e1 | 1318 | return mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
2661081f PO |
1319 | } |
1320 | ||
1321 | static int mmc_test_multi_write_high(struct mmc_test_card *test) | |
1322 | { | |
2661081f PO |
1323 | unsigned int size; |
1324 | struct scatterlist sg; | |
1325 | ||
1326 | if (test->card->host->max_blk_count == 1) | |
1327 | return RESULT_UNSUP_HOST; | |
1328 | ||
1329 | size = PAGE_SIZE * 2; | |
1330 | size = min(size, test->card->host->max_req_size); | |
1331 | size = min(size, test->card->host->max_seg_size); | |
1332 | size = min(size, test->card->host->max_blk_count * 512); | |
1333 | ||
1334 | if (size < 1024) | |
1335 | return RESULT_UNSUP_HOST; | |
1336 | ||
1337 | sg_init_table(&sg, 1); | |
1338 | sg_set_page(&sg, test->highmem, size, 0); | |
1339 | ||
30a9b9e1 | 1340 | return mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); |
2661081f PO |
1341 | } |
1342 | ||
1343 | static int mmc_test_multi_read_high(struct mmc_test_card *test) | |
1344 | { | |
2661081f PO |
1345 | unsigned int size; |
1346 | struct scatterlist sg; | |
1347 | ||
1348 | if (test->card->host->max_blk_count == 1) | |
1349 | return RESULT_UNSUP_HOST; | |
1350 | ||
1351 | size = PAGE_SIZE * 2; | |
1352 | size = min(size, test->card->host->max_req_size); | |
1353 | size = min(size, test->card->host->max_seg_size); | |
1354 | size = min(size, test->card->host->max_blk_count * 512); | |
1355 | ||
1356 | if (size < 1024) | |
1357 | return RESULT_UNSUP_HOST; | |
1358 | ||
1359 | sg_init_table(&sg, 1); | |
1360 | sg_set_page(&sg, test->highmem, size, 0); | |
1361 | ||
30a9b9e1 | 1362 | return mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); |
2661081f PO |
1363 | } |
1364 | ||
64f7120d AH |
1365 | #else |
1366 | ||
1367 | static int mmc_test_no_highmem(struct mmc_test_card *test) | |
1368 | { | |
a3c76eb9 | 1369 | pr_info("%s: Highmem not configured - test skipped\n", |
64f7120d AH |
1370 | mmc_hostname(test->card->host)); |
1371 | return 0; | |
1372 | } | |
1373 | ||
2661081f PO |
1374 | #endif /* CONFIG_HIGHMEM */ |
1375 | ||
64f7120d AH |
1376 | /* |
1377 | * Map sz bytes so that it can be transferred. | |
1378 | */ | |
fec4dcce | 1379 | static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, |
bf043330 | 1380 | int max_scatter, int min_sg_len) |
64f7120d AH |
1381 | { |
1382 | struct mmc_test_area *t = &test->area; | |
c8c8c1bd | 1383 | int err; |
64f7120d AH |
1384 | |
1385 | t->blocks = sz >> 9; | |
1386 | ||
1387 | if (max_scatter) { | |
c8c8c1bd AH |
1388 | err = mmc_test_map_sg_max_scatter(t->mem, sz, t->sg, |
1389 | t->max_segs, t->max_seg_sz, | |
64f7120d | 1390 | &t->sg_len); |
c8c8c1bd AH |
1391 | } else { |
1392 | err = mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, | |
bf043330 | 1393 | t->max_seg_sz, &t->sg_len, min_sg_len); |
64f7120d | 1394 | } |
c8c8c1bd | 1395 | if (err) |
a3c76eb9 | 1396 | pr_info("%s: Failed to map sg list\n", |
c8c8c1bd AH |
1397 | mmc_hostname(test->card->host)); |
1398 | return err; | |
64f7120d AH |
1399 | } |
1400 | ||
1401 | /* | |
1402 | * Transfer bytes mapped by mmc_test_area_map(). | |
1403 | */ | |
1404 | static int mmc_test_area_transfer(struct mmc_test_card *test, | |
1405 | unsigned int dev_addr, int write) | |
1406 | { | |
1407 | struct mmc_test_area *t = &test->area; | |
1408 | ||
1409 | return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr, | |
1410 | t->blocks, 512, write); | |
1411 | } | |
1412 | ||
1413 | /* | |
9f9c4180 | 1414 | * Map and transfer bytes for multiple transfers. |
64f7120d | 1415 | */ |
9f9c4180 PF |
1416 | static int mmc_test_area_io_seq(struct mmc_test_card *test, unsigned long sz, |
1417 | unsigned int dev_addr, int write, | |
1418 | int max_scatter, int timed, int count, | |
bf043330 | 1419 | bool nonblock, int min_sg_len) |
64f7120d AH |
1420 | { |
1421 | struct timespec ts1, ts2; | |
9f9c4180 PF |
1422 | int ret = 0; |
1423 | int i; | |
1424 | struct mmc_test_area *t = &test->area; | |
64f7120d | 1425 | |
c8c8c1bd AH |
1426 | /* |
1427 | * In the case of a maximally scattered transfer, the maximum transfer | |
1428 | * size is further limited by using PAGE_SIZE segments. | |
1429 | */ | |
1430 | if (max_scatter) { | |
1431 | struct mmc_test_area *t = &test->area; | |
1432 | unsigned long max_tfr; | |
1433 | ||
1434 | if (t->max_seg_sz >= PAGE_SIZE) | |
1435 | max_tfr = t->max_segs * PAGE_SIZE; | |
1436 | else | |
1437 | max_tfr = t->max_segs * t->max_seg_sz; | |
1438 | if (sz > max_tfr) | |
1439 | sz = max_tfr; | |
1440 | } | |
1441 | ||
bf043330 | 1442 | ret = mmc_test_area_map(test, sz, max_scatter, min_sg_len); |
64f7120d AH |
1443 | if (ret) |
1444 | return ret; | |
1445 | ||
1446 | if (timed) | |
1447 | getnstimeofday(&ts1); | |
9f9c4180 PF |
1448 | if (nonblock) |
1449 | ret = mmc_test_nonblock_transfer(test, t->sg, t->sg_len, | |
1450 | dev_addr, t->blocks, 512, write, count); | |
1451 | else | |
1452 | for (i = 0; i < count && ret == 0; i++) { | |
1453 | ret = mmc_test_area_transfer(test, dev_addr, write); | |
1454 | dev_addr += sz >> 9; | |
1455 | } | |
64f7120d | 1456 | |
64f7120d AH |
1457 | if (ret) |
1458 | return ret; | |
1459 | ||
1460 | if (timed) | |
1461 | getnstimeofday(&ts2); | |
1462 | ||
1463 | if (timed) | |
9f9c4180 | 1464 | mmc_test_print_avg_rate(test, sz, count, &ts1, &ts2); |
64f7120d AH |
1465 | |
1466 | return 0; | |
1467 | } | |
1468 | ||
9f9c4180 PF |
1469 | static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, |
1470 | unsigned int dev_addr, int write, int max_scatter, | |
1471 | int timed) | |
1472 | { | |
1473 | return mmc_test_area_io_seq(test, sz, dev_addr, write, max_scatter, | |
bf043330 | 1474 | timed, 1, false, 0); |
9f9c4180 PF |
1475 | } |
1476 | ||
64f7120d AH |
1477 | /* |
1478 | * Write the test area entirely. | |
1479 | */ | |
1480 | static int mmc_test_area_fill(struct mmc_test_card *test) | |
1481 | { | |
253d6a28 AS |
1482 | struct mmc_test_area *t = &test->area; |
1483 | ||
1484 | return mmc_test_area_io(test, t->max_tfr, t->dev_addr, 1, 0, 0); | |
64f7120d AH |
1485 | } |
1486 | ||
1487 | /* | |
1488 | * Erase the test area entirely. | |
1489 | */ | |
1490 | static int mmc_test_area_erase(struct mmc_test_card *test) | |
1491 | { | |
1492 | struct mmc_test_area *t = &test->area; | |
1493 | ||
1494 | if (!mmc_can_erase(test->card)) | |
1495 | return 0; | |
1496 | ||
253d6a28 | 1497 | return mmc_erase(test->card, t->dev_addr, t->max_sz >> 9, |
64f7120d AH |
1498 | MMC_ERASE_ARG); |
1499 | } | |
1500 | ||
1501 | /* | |
1502 | * Cleanup struct mmc_test_area. | |
1503 | */ | |
1504 | static int mmc_test_area_cleanup(struct mmc_test_card *test) | |
1505 | { | |
1506 | struct mmc_test_area *t = &test->area; | |
1507 | ||
1508 | kfree(t->sg); | |
1509 | mmc_test_free_mem(t->mem); | |
1510 | ||
1511 | return 0; | |
1512 | } | |
1513 | ||
1514 | /* | |
0532ff63 AH |
1515 | * Initialize an area for testing large transfers. The test area is set to the |
1516 | * middle of the card because cards may have different charateristics at the | |
1517 | * front (for FAT file system optimization). Optionally, the area is erased | |
1518 | * (if the card supports it) which may improve write performance. Optionally, | |
1519 | * the area is filled with data for subsequent read tests. | |
64f7120d AH |
1520 | */ |
1521 | static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill) | |
1522 | { | |
1523 | struct mmc_test_area *t = &test->area; | |
0532ff63 | 1524 | unsigned long min_sz = 64 * 1024, sz; |
64f7120d AH |
1525 | int ret; |
1526 | ||
1527 | ret = mmc_test_set_blksize(test, 512); | |
1528 | if (ret) | |
1529 | return ret; | |
1530 | ||
0532ff63 AH |
1531 | /* Make the test area size about 4MiB */ |
1532 | sz = (unsigned long)test->card->pref_erase << 9; | |
1533 | t->max_sz = sz; | |
1534 | while (t->max_sz < 4 * 1024 * 1024) | |
1535 | t->max_sz += sz; | |
1536 | while (t->max_sz > TEST_AREA_MAX_SIZE && t->max_sz > sz) | |
1537 | t->max_sz -= sz; | |
c8c8c1bd AH |
1538 | |
1539 | t->max_segs = test->card->host->max_segs; | |
1540 | t->max_seg_sz = test->card->host->max_seg_size; | |
739c69c9 | 1541 | t->max_seg_sz -= t->max_seg_sz % 512; |
c8c8c1bd AH |
1542 | |
1543 | t->max_tfr = t->max_sz; | |
1544 | if (t->max_tfr >> 9 > test->card->host->max_blk_count) | |
1545 | t->max_tfr = test->card->host->max_blk_count << 9; | |
1546 | if (t->max_tfr > test->card->host->max_req_size) | |
1547 | t->max_tfr = test->card->host->max_req_size; | |
1548 | if (t->max_tfr / t->max_seg_sz > t->max_segs) | |
1549 | t->max_tfr = t->max_segs * t->max_seg_sz; | |
1550 | ||
64f7120d | 1551 | /* |
3d203be8 | 1552 | * Try to allocate enough memory for a max. sized transfer. Less is OK |
64f7120d | 1553 | * because the same memory can be mapped into the scatterlist more than |
c8c8c1bd AH |
1554 | * once. Also, take into account the limits imposed on scatterlist |
1555 | * segments by the host driver. | |
64f7120d | 1556 | */ |
3d203be8 | 1557 | t->mem = mmc_test_alloc_mem(min_sz, t->max_tfr, t->max_segs, |
c8c8c1bd | 1558 | t->max_seg_sz); |
64f7120d AH |
1559 | if (!t->mem) |
1560 | return -ENOMEM; | |
1561 | ||
64f7120d AH |
1562 | t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL); |
1563 | if (!t->sg) { | |
1564 | ret = -ENOMEM; | |
1565 | goto out_free; | |
1566 | } | |
1567 | ||
1568 | t->dev_addr = mmc_test_capacity(test->card) / 2; | |
1569 | t->dev_addr -= t->dev_addr % (t->max_sz >> 9); | |
1570 | ||
1571 | if (erase) { | |
1572 | ret = mmc_test_area_erase(test); | |
1573 | if (ret) | |
1574 | goto out_free; | |
1575 | } | |
1576 | ||
1577 | if (fill) { | |
1578 | ret = mmc_test_area_fill(test); | |
1579 | if (ret) | |
1580 | goto out_free; | |
1581 | } | |
1582 | ||
1583 | return 0; | |
1584 | ||
1585 | out_free: | |
1586 | mmc_test_area_cleanup(test); | |
1587 | return ret; | |
1588 | } | |
1589 | ||
1590 | /* | |
1591 | * Prepare for large transfers. Do not erase the test area. | |
1592 | */ | |
1593 | static int mmc_test_area_prepare(struct mmc_test_card *test) | |
1594 | { | |
1595 | return mmc_test_area_init(test, 0, 0); | |
1596 | } | |
1597 | ||
1598 | /* | |
1599 | * Prepare for large transfers. Do erase the test area. | |
1600 | */ | |
1601 | static int mmc_test_area_prepare_erase(struct mmc_test_card *test) | |
1602 | { | |
1603 | return mmc_test_area_init(test, 1, 0); | |
1604 | } | |
1605 | ||
1606 | /* | |
1607 | * Prepare for large transfers. Erase and fill the test area. | |
1608 | */ | |
1609 | static int mmc_test_area_prepare_fill(struct mmc_test_card *test) | |
1610 | { | |
1611 | return mmc_test_area_init(test, 1, 1); | |
1612 | } | |
1613 | ||
1614 | /* | |
1615 | * Test best-case performance. Best-case performance is expected from | |
1616 | * a single large transfer. | |
1617 | * | |
1618 | * An additional option (max_scatter) allows the measurement of the same | |
1619 | * transfer but with no contiguous pages in the scatter list. This tests | |
1620 | * the efficiency of DMA to handle scattered pages. | |
1621 | */ | |
1622 | static int mmc_test_best_performance(struct mmc_test_card *test, int write, | |
1623 | int max_scatter) | |
1624 | { | |
253d6a28 AS |
1625 | struct mmc_test_area *t = &test->area; |
1626 | ||
1627 | return mmc_test_area_io(test, t->max_tfr, t->dev_addr, write, | |
1628 | max_scatter, 1); | |
64f7120d AH |
1629 | } |
1630 | ||
1631 | /* | |
1632 | * Best-case read performance. | |
1633 | */ | |
1634 | static int mmc_test_best_read_performance(struct mmc_test_card *test) | |
1635 | { | |
1636 | return mmc_test_best_performance(test, 0, 0); | |
1637 | } | |
1638 | ||
1639 | /* | |
1640 | * Best-case write performance. | |
1641 | */ | |
1642 | static int mmc_test_best_write_performance(struct mmc_test_card *test) | |
1643 | { | |
1644 | return mmc_test_best_performance(test, 1, 0); | |
1645 | } | |
1646 | ||
1647 | /* | |
1648 | * Best-case read performance into scattered pages. | |
1649 | */ | |
1650 | static int mmc_test_best_read_perf_max_scatter(struct mmc_test_card *test) | |
1651 | { | |
1652 | return mmc_test_best_performance(test, 0, 1); | |
1653 | } | |
1654 | ||
1655 | /* | |
1656 | * Best-case write performance from scattered pages. | |
1657 | */ | |
1658 | static int mmc_test_best_write_perf_max_scatter(struct mmc_test_card *test) | |
1659 | { | |
1660 | return mmc_test_best_performance(test, 1, 1); | |
1661 | } | |
1662 | ||
1663 | /* | |
1664 | * Single read performance by transfer size. | |
1665 | */ | |
1666 | static int mmc_test_profile_read_perf(struct mmc_test_card *test) | |
1667 | { | |
253d6a28 | 1668 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1669 | unsigned long sz; |
1670 | unsigned int dev_addr; | |
64f7120d AH |
1671 | int ret; |
1672 | ||
253d6a28 AS |
1673 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
1674 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1675 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
1676 | if (ret) | |
1677 | return ret; | |
1678 | } | |
253d6a28 AS |
1679 | sz = t->max_tfr; |
1680 | dev_addr = t->dev_addr; | |
64f7120d AH |
1681 | return mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
1682 | } | |
1683 | ||
1684 | /* | |
1685 | * Single write performance by transfer size. | |
1686 | */ | |
1687 | static int mmc_test_profile_write_perf(struct mmc_test_card *test) | |
1688 | { | |
253d6a28 | 1689 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1690 | unsigned long sz; |
1691 | unsigned int dev_addr; | |
64f7120d AH |
1692 | int ret; |
1693 | ||
1694 | ret = mmc_test_area_erase(test); | |
1695 | if (ret) | |
1696 | return ret; | |
253d6a28 AS |
1697 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
1698 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1699 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
1700 | if (ret) | |
1701 | return ret; | |
1702 | } | |
1703 | ret = mmc_test_area_erase(test); | |
1704 | if (ret) | |
1705 | return ret; | |
253d6a28 AS |
1706 | sz = t->max_tfr; |
1707 | dev_addr = t->dev_addr; | |
64f7120d AH |
1708 | return mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
1709 | } | |
1710 | ||
1711 | /* | |
1712 | * Single trim performance by transfer size. | |
1713 | */ | |
1714 | static int mmc_test_profile_trim_perf(struct mmc_test_card *test) | |
1715 | { | |
253d6a28 | 1716 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1717 | unsigned long sz; |
1718 | unsigned int dev_addr; | |
64f7120d AH |
1719 | struct timespec ts1, ts2; |
1720 | int ret; | |
1721 | ||
1722 | if (!mmc_can_trim(test->card)) | |
1723 | return RESULT_UNSUP_CARD; | |
1724 | ||
1725 | if (!mmc_can_erase(test->card)) | |
1726 | return RESULT_UNSUP_HOST; | |
1727 | ||
253d6a28 AS |
1728 | for (sz = 512; sz < t->max_sz; sz <<= 1) { |
1729 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1730 | getnstimeofday(&ts1); |
1731 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1732 | if (ret) | |
1733 | return ret; | |
1734 | getnstimeofday(&ts2); | |
1735 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1736 | } | |
253d6a28 | 1737 | dev_addr = t->dev_addr; |
64f7120d AH |
1738 | getnstimeofday(&ts1); |
1739 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1740 | if (ret) | |
1741 | return ret; | |
1742 | getnstimeofday(&ts2); | |
1743 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1744 | return 0; | |
1745 | } | |
1746 | ||
c8c8c1bd AH |
1747 | static int mmc_test_seq_read_perf(struct mmc_test_card *test, unsigned long sz) |
1748 | { | |
253d6a28 | 1749 | struct mmc_test_area *t = &test->area; |
c8c8c1bd AH |
1750 | unsigned int dev_addr, i, cnt; |
1751 | struct timespec ts1, ts2; | |
1752 | int ret; | |
1753 | ||
253d6a28 AS |
1754 | cnt = t->max_sz / sz; |
1755 | dev_addr = t->dev_addr; | |
c8c8c1bd AH |
1756 | getnstimeofday(&ts1); |
1757 | for (i = 0; i < cnt; i++) { | |
1758 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 0); | |
1759 | if (ret) | |
1760 | return ret; | |
1761 | dev_addr += (sz >> 9); | |
1762 | } | |
1763 | getnstimeofday(&ts2); | |
1764 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1765 | return 0; | |
1766 | } | |
1767 | ||
64f7120d AH |
1768 | /* |
1769 | * Consecutive read performance by transfer size. | |
1770 | */ | |
1771 | static int mmc_test_profile_seq_read_perf(struct mmc_test_card *test) | |
1772 | { | |
253d6a28 | 1773 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1774 | unsigned long sz; |
c8c8c1bd AH |
1775 | int ret; |
1776 | ||
253d6a28 | 1777 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
c8c8c1bd AH |
1778 | ret = mmc_test_seq_read_perf(test, sz); |
1779 | if (ret) | |
1780 | return ret; | |
1781 | } | |
253d6a28 | 1782 | sz = t->max_tfr; |
c8c8c1bd AH |
1783 | return mmc_test_seq_read_perf(test, sz); |
1784 | } | |
1785 | ||
1786 | static int mmc_test_seq_write_perf(struct mmc_test_card *test, unsigned long sz) | |
1787 | { | |
253d6a28 | 1788 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1789 | unsigned int dev_addr, i, cnt; |
64f7120d AH |
1790 | struct timespec ts1, ts2; |
1791 | int ret; | |
1792 | ||
c8c8c1bd AH |
1793 | ret = mmc_test_area_erase(test); |
1794 | if (ret) | |
1795 | return ret; | |
253d6a28 AS |
1796 | cnt = t->max_sz / sz; |
1797 | dev_addr = t->dev_addr; | |
c8c8c1bd AH |
1798 | getnstimeofday(&ts1); |
1799 | for (i = 0; i < cnt; i++) { | |
1800 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 0); | |
1801 | if (ret) | |
1802 | return ret; | |
1803 | dev_addr += (sz >> 9); | |
64f7120d | 1804 | } |
c8c8c1bd AH |
1805 | getnstimeofday(&ts2); |
1806 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
64f7120d AH |
1807 | return 0; |
1808 | } | |
1809 | ||
1810 | /* | |
1811 | * Consecutive write performance by transfer size. | |
1812 | */ | |
1813 | static int mmc_test_profile_seq_write_perf(struct mmc_test_card *test) | |
1814 | { | |
253d6a28 | 1815 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1816 | unsigned long sz; |
64f7120d AH |
1817 | int ret; |
1818 | ||
253d6a28 | 1819 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
c8c8c1bd | 1820 | ret = mmc_test_seq_write_perf(test, sz); |
64f7120d AH |
1821 | if (ret) |
1822 | return ret; | |
64f7120d | 1823 | } |
253d6a28 | 1824 | sz = t->max_tfr; |
c8c8c1bd | 1825 | return mmc_test_seq_write_perf(test, sz); |
64f7120d AH |
1826 | } |
1827 | ||
1828 | /* | |
1829 | * Consecutive trim performance by transfer size. | |
1830 | */ | |
1831 | static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test) | |
1832 | { | |
253d6a28 | 1833 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1834 | unsigned long sz; |
1835 | unsigned int dev_addr, i, cnt; | |
64f7120d AH |
1836 | struct timespec ts1, ts2; |
1837 | int ret; | |
1838 | ||
1839 | if (!mmc_can_trim(test->card)) | |
1840 | return RESULT_UNSUP_CARD; | |
1841 | ||
1842 | if (!mmc_can_erase(test->card)) | |
1843 | return RESULT_UNSUP_HOST; | |
1844 | ||
253d6a28 | 1845 | for (sz = 512; sz <= t->max_sz; sz <<= 1) { |
64f7120d AH |
1846 | ret = mmc_test_area_erase(test); |
1847 | if (ret) | |
1848 | return ret; | |
1849 | ret = mmc_test_area_fill(test); | |
1850 | if (ret) | |
1851 | return ret; | |
253d6a28 AS |
1852 | cnt = t->max_sz / sz; |
1853 | dev_addr = t->dev_addr; | |
64f7120d AH |
1854 | getnstimeofday(&ts1); |
1855 | for (i = 0; i < cnt; i++) { | |
1856 | ret = mmc_erase(test->card, dev_addr, sz >> 9, | |
1857 | MMC_TRIM_ARG); | |
1858 | if (ret) | |
1859 | return ret; | |
1860 | dev_addr += (sz >> 9); | |
1861 | } | |
1862 | getnstimeofday(&ts2); | |
1863 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1864 | } | |
1865 | return 0; | |
1866 | } | |
1867 | ||
b6056d12 AH |
1868 | static unsigned int rnd_next = 1; |
1869 | ||
1870 | static unsigned int mmc_test_rnd_num(unsigned int rnd_cnt) | |
1871 | { | |
1872 | uint64_t r; | |
1873 | ||
1874 | rnd_next = rnd_next * 1103515245 + 12345; | |
1875 | r = (rnd_next >> 16) & 0x7fff; | |
1876 | return (r * rnd_cnt) >> 15; | |
1877 | } | |
1878 | ||
1879 | static int mmc_test_rnd_perf(struct mmc_test_card *test, int write, int print, | |
1880 | unsigned long sz) | |
1881 | { | |
1882 | unsigned int dev_addr, cnt, rnd_addr, range1, range2, last_ea = 0, ea; | |
1883 | unsigned int ssz; | |
1884 | struct timespec ts1, ts2, ts; | |
1885 | int ret; | |
1886 | ||
1887 | ssz = sz >> 9; | |
1888 | ||
1889 | rnd_addr = mmc_test_capacity(test->card) / 4; | |
1890 | range1 = rnd_addr / test->card->pref_erase; | |
1891 | range2 = range1 / ssz; | |
1892 | ||
1893 | getnstimeofday(&ts1); | |
1894 | for (cnt = 0; cnt < UINT_MAX; cnt++) { | |
1895 | getnstimeofday(&ts2); | |
1896 | ts = timespec_sub(ts2, ts1); | |
1897 | if (ts.tv_sec >= 10) | |
1898 | break; | |
1899 | ea = mmc_test_rnd_num(range1); | |
1900 | if (ea == last_ea) | |
1901 | ea -= 1; | |
1902 | last_ea = ea; | |
1903 | dev_addr = rnd_addr + test->card->pref_erase * ea + | |
1904 | ssz * mmc_test_rnd_num(range2); | |
1905 | ret = mmc_test_area_io(test, sz, dev_addr, write, 0, 0); | |
1906 | if (ret) | |
1907 | return ret; | |
1908 | } | |
1909 | if (print) | |
1910 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1911 | return 0; | |
1912 | } | |
1913 | ||
1914 | static int mmc_test_random_perf(struct mmc_test_card *test, int write) | |
1915 | { | |
253d6a28 | 1916 | struct mmc_test_area *t = &test->area; |
b6056d12 AH |
1917 | unsigned int next; |
1918 | unsigned long sz; | |
1919 | int ret; | |
1920 | ||
253d6a28 | 1921 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
b6056d12 AH |
1922 | /* |
1923 | * When writing, try to get more consistent results by running | |
1924 | * the test twice with exactly the same I/O but outputting the | |
1925 | * results only for the 2nd run. | |
1926 | */ | |
1927 | if (write) { | |
1928 | next = rnd_next; | |
1929 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1930 | if (ret) | |
1931 | return ret; | |
1932 | rnd_next = next; | |
1933 | } | |
1934 | ret = mmc_test_rnd_perf(test, write, 1, sz); | |
1935 | if (ret) | |
1936 | return ret; | |
1937 | } | |
253d6a28 | 1938 | sz = t->max_tfr; |
b6056d12 AH |
1939 | if (write) { |
1940 | next = rnd_next; | |
1941 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1942 | if (ret) | |
1943 | return ret; | |
1944 | rnd_next = next; | |
1945 | } | |
1946 | return mmc_test_rnd_perf(test, write, 1, sz); | |
1947 | } | |
1948 | ||
1949 | /* | |
1950 | * Random read performance by transfer size. | |
1951 | */ | |
1952 | static int mmc_test_random_read_perf(struct mmc_test_card *test) | |
1953 | { | |
1954 | return mmc_test_random_perf(test, 0); | |
1955 | } | |
1956 | ||
1957 | /* | |
1958 | * Random write performance by transfer size. | |
1959 | */ | |
1960 | static int mmc_test_random_write_perf(struct mmc_test_card *test) | |
1961 | { | |
1962 | return mmc_test_random_perf(test, 1); | |
1963 | } | |
1964 | ||
a803d551 AH |
1965 | static int mmc_test_seq_perf(struct mmc_test_card *test, int write, |
1966 | unsigned int tot_sz, int max_scatter) | |
1967 | { | |
253d6a28 | 1968 | struct mmc_test_area *t = &test->area; |
a803d551 | 1969 | unsigned int dev_addr, i, cnt, sz, ssz; |
5a8fba52 | 1970 | struct timespec ts1, ts2; |
a803d551 AH |
1971 | int ret; |
1972 | ||
253d6a28 AS |
1973 | sz = t->max_tfr; |
1974 | ||
a803d551 AH |
1975 | /* |
1976 | * In the case of a maximally scattered transfer, the maximum transfer | |
1977 | * size is further limited by using PAGE_SIZE segments. | |
1978 | */ | |
1979 | if (max_scatter) { | |
a803d551 AH |
1980 | unsigned long max_tfr; |
1981 | ||
1982 | if (t->max_seg_sz >= PAGE_SIZE) | |
1983 | max_tfr = t->max_segs * PAGE_SIZE; | |
1984 | else | |
1985 | max_tfr = t->max_segs * t->max_seg_sz; | |
1986 | if (sz > max_tfr) | |
1987 | sz = max_tfr; | |
1988 | } | |
1989 | ||
1990 | ssz = sz >> 9; | |
1991 | dev_addr = mmc_test_capacity(test->card) / 4; | |
1992 | if (tot_sz > dev_addr << 9) | |
1993 | tot_sz = dev_addr << 9; | |
1994 | cnt = tot_sz / sz; | |
1995 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ | |
1996 | ||
1997 | getnstimeofday(&ts1); | |
1998 | for (i = 0; i < cnt; i++) { | |
1999 | ret = mmc_test_area_io(test, sz, dev_addr, write, | |
2000 | max_scatter, 0); | |
2001 | if (ret) | |
2002 | return ret; | |
2003 | dev_addr += ssz; | |
2004 | } | |
2005 | getnstimeofday(&ts2); | |
2006 | ||
a803d551 AH |
2007 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
2008 | ||
2009 | return 0; | |
2010 | } | |
2011 | ||
2012 | static int mmc_test_large_seq_perf(struct mmc_test_card *test, int write) | |
2013 | { | |
2014 | int ret, i; | |
2015 | ||
2016 | for (i = 0; i < 10; i++) { | |
2017 | ret = mmc_test_seq_perf(test, write, 10 * 1024 * 1024, 1); | |
2018 | if (ret) | |
2019 | return ret; | |
2020 | } | |
2021 | for (i = 0; i < 5; i++) { | |
2022 | ret = mmc_test_seq_perf(test, write, 100 * 1024 * 1024, 1); | |
2023 | if (ret) | |
2024 | return ret; | |
2025 | } | |
2026 | for (i = 0; i < 3; i++) { | |
2027 | ret = mmc_test_seq_perf(test, write, 1000 * 1024 * 1024, 1); | |
2028 | if (ret) | |
2029 | return ret; | |
2030 | } | |
2031 | ||
2032 | return ret; | |
2033 | } | |
2034 | ||
2035 | /* | |
2036 | * Large sequential read performance. | |
2037 | */ | |
2038 | static int mmc_test_large_seq_read_perf(struct mmc_test_card *test) | |
2039 | { | |
2040 | return mmc_test_large_seq_perf(test, 0); | |
2041 | } | |
2042 | ||
2043 | /* | |
2044 | * Large sequential write performance. | |
2045 | */ | |
2046 | static int mmc_test_large_seq_write_perf(struct mmc_test_card *test) | |
2047 | { | |
2048 | return mmc_test_large_seq_perf(test, 1); | |
2049 | } | |
2050 | ||
9f9c4180 PF |
2051 | static int mmc_test_rw_multiple(struct mmc_test_card *test, |
2052 | struct mmc_test_multiple_rw *tdata, | |
bf043330 PF |
2053 | unsigned int reqsize, unsigned int size, |
2054 | int min_sg_len) | |
9f9c4180 PF |
2055 | { |
2056 | unsigned int dev_addr; | |
2057 | struct mmc_test_area *t = &test->area; | |
2058 | int ret = 0; | |
2059 | ||
2060 | /* Set up test area */ | |
2061 | if (size > mmc_test_capacity(test->card) / 2 * 512) | |
2062 | size = mmc_test_capacity(test->card) / 2 * 512; | |
2063 | if (reqsize > t->max_tfr) | |
2064 | reqsize = t->max_tfr; | |
2065 | dev_addr = mmc_test_capacity(test->card) / 4; | |
2066 | if ((dev_addr & 0xffff0000)) | |
2067 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ | |
2068 | else | |
2069 | dev_addr &= 0xfffff800; /* Round to 1MiB boundary */ | |
2070 | if (!dev_addr) | |
2071 | goto err; | |
2072 | ||
2073 | if (reqsize > size) | |
2074 | return 0; | |
2075 | ||
2076 | /* prepare test area */ | |
2077 | if (mmc_can_erase(test->card) && | |
2078 | tdata->prepare & MMC_TEST_PREP_ERASE) { | |
2079 | ret = mmc_erase(test->card, dev_addr, | |
2080 | size / 512, MMC_SECURE_ERASE_ARG); | |
2081 | if (ret) | |
2082 | ret = mmc_erase(test->card, dev_addr, | |
2083 | size / 512, MMC_ERASE_ARG); | |
2084 | if (ret) | |
2085 | goto err; | |
2086 | } | |
2087 | ||
2088 | /* Run test */ | |
2089 | ret = mmc_test_area_io_seq(test, reqsize, dev_addr, | |
2090 | tdata->do_write, 0, 1, size / reqsize, | |
bf043330 | 2091 | tdata->do_nonblock_req, min_sg_len); |
9f9c4180 PF |
2092 | if (ret) |
2093 | goto err; | |
2094 | ||
2095 | return ret; | |
2096 | err: | |
a3c76eb9 | 2097 | pr_info("[%s] error\n", __func__); |
9f9c4180 PF |
2098 | return ret; |
2099 | } | |
2100 | ||
2101 | static int mmc_test_rw_multiple_size(struct mmc_test_card *test, | |
2102 | struct mmc_test_multiple_rw *rw) | |
2103 | { | |
2104 | int ret = 0; | |
2105 | int i; | |
2106 | void *pre_req = test->card->host->ops->pre_req; | |
2107 | void *post_req = test->card->host->ops->post_req; | |
2108 | ||
2109 | if (rw->do_nonblock_req && | |
2110 | ((!pre_req && post_req) || (pre_req && !post_req))) { | |
a3c76eb9 | 2111 | pr_info("error: only one of pre/post is defined\n"); |
9f9c4180 PF |
2112 | return -EINVAL; |
2113 | } | |
2114 | ||
2115 | for (i = 0 ; i < rw->len && ret == 0; i++) { | |
bf043330 PF |
2116 | ret = mmc_test_rw_multiple(test, rw, rw->bs[i], rw->size, 0); |
2117 | if (ret) | |
2118 | break; | |
2119 | } | |
2120 | return ret; | |
2121 | } | |
2122 | ||
2123 | static int mmc_test_rw_multiple_sg_len(struct mmc_test_card *test, | |
2124 | struct mmc_test_multiple_rw *rw) | |
2125 | { | |
2126 | int ret = 0; | |
2127 | int i; | |
2128 | ||
2129 | for (i = 0 ; i < rw->len && ret == 0; i++) { | |
2130 | ret = mmc_test_rw_multiple(test, rw, 512*1024, rw->size, | |
2131 | rw->sg_len[i]); | |
9f9c4180 PF |
2132 | if (ret) |
2133 | break; | |
2134 | } | |
2135 | return ret; | |
2136 | } | |
2137 | ||
2138 | /* | |
2139 | * Multiple blocking write 4k to 4 MB chunks | |
2140 | */ | |
2141 | static int mmc_test_profile_mult_write_blocking_perf(struct mmc_test_card *test) | |
2142 | { | |
2143 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2144 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2145 | struct mmc_test_multiple_rw test_data = { | |
2146 | .bs = bs, | |
2147 | .size = TEST_AREA_MAX_SIZE, | |
2148 | .len = ARRAY_SIZE(bs), | |
2149 | .do_write = true, | |
2150 | .do_nonblock_req = false, | |
2151 | .prepare = MMC_TEST_PREP_ERASE, | |
2152 | }; | |
2153 | ||
2154 | return mmc_test_rw_multiple_size(test, &test_data); | |
2155 | }; | |
2156 | ||
2157 | /* | |
2158 | * Multiple non-blocking write 4k to 4 MB chunks | |
2159 | */ | |
2160 | static int mmc_test_profile_mult_write_nonblock_perf(struct mmc_test_card *test) | |
2161 | { | |
2162 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2163 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2164 | struct mmc_test_multiple_rw test_data = { | |
2165 | .bs = bs, | |
2166 | .size = TEST_AREA_MAX_SIZE, | |
2167 | .len = ARRAY_SIZE(bs), | |
2168 | .do_write = true, | |
2169 | .do_nonblock_req = true, | |
2170 | .prepare = MMC_TEST_PREP_ERASE, | |
2171 | }; | |
2172 | ||
2173 | return mmc_test_rw_multiple_size(test, &test_data); | |
2174 | } | |
2175 | ||
2176 | /* | |
2177 | * Multiple blocking read 4k to 4 MB chunks | |
2178 | */ | |
2179 | static int mmc_test_profile_mult_read_blocking_perf(struct mmc_test_card *test) | |
2180 | { | |
2181 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2182 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2183 | struct mmc_test_multiple_rw test_data = { | |
2184 | .bs = bs, | |
2185 | .size = TEST_AREA_MAX_SIZE, | |
2186 | .len = ARRAY_SIZE(bs), | |
2187 | .do_write = false, | |
2188 | .do_nonblock_req = false, | |
2189 | .prepare = MMC_TEST_PREP_NONE, | |
2190 | }; | |
2191 | ||
2192 | return mmc_test_rw_multiple_size(test, &test_data); | |
2193 | } | |
2194 | ||
2195 | /* | |
2196 | * Multiple non-blocking read 4k to 4 MB chunks | |
2197 | */ | |
2198 | static int mmc_test_profile_mult_read_nonblock_perf(struct mmc_test_card *test) | |
2199 | { | |
2200 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2201 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2202 | struct mmc_test_multiple_rw test_data = { | |
2203 | .bs = bs, | |
2204 | .size = TEST_AREA_MAX_SIZE, | |
2205 | .len = ARRAY_SIZE(bs), | |
2206 | .do_write = false, | |
2207 | .do_nonblock_req = true, | |
2208 | .prepare = MMC_TEST_PREP_NONE, | |
2209 | }; | |
2210 | ||
2211 | return mmc_test_rw_multiple_size(test, &test_data); | |
2212 | } | |
2213 | ||
bf043330 PF |
2214 | /* |
2215 | * Multiple blocking write 1 to 512 sg elements | |
2216 | */ | |
2217 | static int mmc_test_profile_sglen_wr_blocking_perf(struct mmc_test_card *test) | |
2218 | { | |
2219 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2220 | 1 << 7, 1 << 8, 1 << 9}; | |
2221 | struct mmc_test_multiple_rw test_data = { | |
2222 | .sg_len = sg_len, | |
2223 | .size = TEST_AREA_MAX_SIZE, | |
2224 | .len = ARRAY_SIZE(sg_len), | |
2225 | .do_write = true, | |
2226 | .do_nonblock_req = false, | |
2227 | .prepare = MMC_TEST_PREP_ERASE, | |
2228 | }; | |
2229 | ||
2230 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2231 | }; | |
2232 | ||
2233 | /* | |
2234 | * Multiple non-blocking write 1 to 512 sg elements | |
2235 | */ | |
2236 | static int mmc_test_profile_sglen_wr_nonblock_perf(struct mmc_test_card *test) | |
2237 | { | |
2238 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2239 | 1 << 7, 1 << 8, 1 << 9}; | |
2240 | struct mmc_test_multiple_rw test_data = { | |
2241 | .sg_len = sg_len, | |
2242 | .size = TEST_AREA_MAX_SIZE, | |
2243 | .len = ARRAY_SIZE(sg_len), | |
2244 | .do_write = true, | |
2245 | .do_nonblock_req = true, | |
2246 | .prepare = MMC_TEST_PREP_ERASE, | |
2247 | }; | |
2248 | ||
2249 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2250 | } | |
2251 | ||
2252 | /* | |
2253 | * Multiple blocking read 1 to 512 sg elements | |
2254 | */ | |
2255 | static int mmc_test_profile_sglen_r_blocking_perf(struct mmc_test_card *test) | |
2256 | { | |
2257 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2258 | 1 << 7, 1 << 8, 1 << 9}; | |
2259 | struct mmc_test_multiple_rw test_data = { | |
2260 | .sg_len = sg_len, | |
2261 | .size = TEST_AREA_MAX_SIZE, | |
2262 | .len = ARRAY_SIZE(sg_len), | |
2263 | .do_write = false, | |
2264 | .do_nonblock_req = false, | |
2265 | .prepare = MMC_TEST_PREP_NONE, | |
2266 | }; | |
2267 | ||
2268 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2269 | } | |
2270 | ||
2271 | /* | |
2272 | * Multiple non-blocking read 1 to 512 sg elements | |
2273 | */ | |
2274 | static int mmc_test_profile_sglen_r_nonblock_perf(struct mmc_test_card *test) | |
2275 | { | |
2276 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2277 | 1 << 7, 1 << 8, 1 << 9}; | |
2278 | struct mmc_test_multiple_rw test_data = { | |
2279 | .sg_len = sg_len, | |
2280 | .size = TEST_AREA_MAX_SIZE, | |
2281 | .len = ARRAY_SIZE(sg_len), | |
2282 | .do_write = false, | |
2283 | .do_nonblock_req = true, | |
2284 | .prepare = MMC_TEST_PREP_NONE, | |
2285 | }; | |
2286 | ||
2287 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2288 | } | |
2289 | ||
2311344c AH |
2290 | /* |
2291 | * eMMC hardware reset. | |
2292 | */ | |
08b137d9 | 2293 | static int mmc_test_reset(struct mmc_test_card *test) |
2311344c AH |
2294 | { |
2295 | struct mmc_card *card = test->card; | |
2296 | struct mmc_host *host = card->host; | |
2297 | int err; | |
2298 | ||
83533ab2 | 2299 | err = mmc_hw_reset(host); |
2311344c AH |
2300 | if (!err) |
2301 | return RESULT_OK; | |
83533ab2 JR |
2302 | else if (err == -EOPNOTSUPP) |
2303 | return RESULT_UNSUP_HOST; | |
2311344c | 2304 | |
83533ab2 | 2305 | return RESULT_FAIL; |
2311344c AH |
2306 | } |
2307 | ||
4bbb9aac AH |
2308 | struct mmc_test_req { |
2309 | struct mmc_request mrq; | |
2310 | struct mmc_command sbc; | |
2311 | struct mmc_command cmd; | |
2312 | struct mmc_command stop; | |
2313 | struct mmc_command status; | |
2314 | struct mmc_data data; | |
2315 | }; | |
2316 | ||
2317 | static struct mmc_test_req *mmc_test_req_alloc(void) | |
2318 | { | |
2319 | struct mmc_test_req *rq = kzalloc(sizeof(*rq), GFP_KERNEL); | |
2320 | ||
2321 | if (rq) { | |
2322 | rq->mrq.cmd = &rq->cmd; | |
2323 | rq->mrq.data = &rq->data; | |
2324 | rq->mrq.stop = &rq->stop; | |
2325 | } | |
2326 | ||
2327 | return rq; | |
2328 | } | |
2329 | ||
2330 | static int mmc_test_send_status(struct mmc_test_card *test, | |
2331 | struct mmc_command *cmd) | |
2332 | { | |
2333 | memset(cmd, 0, sizeof(*cmd)); | |
2334 | ||
2335 | cmd->opcode = MMC_SEND_STATUS; | |
2336 | if (!mmc_host_is_spi(test->card->host)) | |
2337 | cmd->arg = test->card->rca << 16; | |
2338 | cmd->flags = MMC_RSP_SPI_R2 | MMC_RSP_R1 | MMC_CMD_AC; | |
2339 | ||
2340 | return mmc_wait_for_cmd(test->card->host, cmd, 0); | |
2341 | } | |
2342 | ||
2343 | static int mmc_test_ongoing_transfer(struct mmc_test_card *test, | |
2344 | unsigned int dev_addr, int use_sbc, | |
2345 | int repeat_cmd, int write, int use_areq) | |
2346 | { | |
2347 | struct mmc_test_req *rq = mmc_test_req_alloc(); | |
2348 | struct mmc_host *host = test->card->host; | |
2349 | struct mmc_test_area *t = &test->area; | |
2350 | struct mmc_async_req areq; | |
2351 | struct mmc_request *mrq; | |
2352 | unsigned long timeout; | |
2353 | bool expired = false; | |
2354 | int ret = 0, cmd_ret; | |
2355 | u32 status = 0; | |
2356 | int count = 0; | |
2357 | ||
2358 | if (!rq) | |
2359 | return -ENOMEM; | |
2360 | ||
2361 | mrq = &rq->mrq; | |
2362 | if (use_sbc) | |
2363 | mrq->sbc = &rq->sbc; | |
2364 | mrq->cap_cmd_during_tfr = true; | |
2365 | ||
2366 | areq.mrq = mrq; | |
2367 | areq.err_check = mmc_test_check_result_async; | |
2368 | ||
2369 | mmc_test_prepare_mrq(test, mrq, t->sg, t->sg_len, dev_addr, t->blocks, | |
2370 | 512, write); | |
2371 | ||
2372 | if (use_sbc && t->blocks > 1 && !mrq->sbc) { | |
2373 | ret = mmc_host_cmd23(host) ? | |
2374 | RESULT_UNSUP_CARD : | |
2375 | RESULT_UNSUP_HOST; | |
2376 | goto out_free; | |
2377 | } | |
2378 | ||
2379 | /* Start ongoing data request */ | |
2380 | if (use_areq) { | |
2381 | mmc_start_req(host, &areq, &ret); | |
2382 | if (ret) | |
2383 | goto out_free; | |
2384 | } else { | |
2385 | mmc_wait_for_req(host, mrq); | |
2386 | } | |
2387 | ||
2388 | timeout = jiffies + msecs_to_jiffies(3000); | |
2389 | do { | |
2390 | count += 1; | |
2391 | ||
2392 | /* Send status command while data transfer in progress */ | |
2393 | cmd_ret = mmc_test_send_status(test, &rq->status); | |
2394 | if (cmd_ret) | |
2395 | break; | |
2396 | ||
2397 | status = rq->status.resp[0]; | |
2398 | if (status & R1_ERROR) { | |
2399 | cmd_ret = -EIO; | |
2400 | break; | |
2401 | } | |
2402 | ||
2403 | if (mmc_is_req_done(host, mrq)) | |
2404 | break; | |
2405 | ||
2406 | expired = time_after(jiffies, timeout); | |
2407 | if (expired) { | |
2408 | pr_info("%s: timeout waiting for Tran state status %#x\n", | |
2409 | mmc_hostname(host), status); | |
2410 | cmd_ret = -ETIMEDOUT; | |
2411 | break; | |
2412 | } | |
2413 | } while (repeat_cmd && R1_CURRENT_STATE(status) != R1_STATE_TRAN); | |
2414 | ||
2415 | /* Wait for data request to complete */ | |
2416 | if (use_areq) | |
2417 | mmc_start_req(host, NULL, &ret); | |
2418 | else | |
2419 | mmc_wait_for_req_done(test->card->host, mrq); | |
2420 | ||
2421 | /* | |
2422 | * For cap_cmd_during_tfr request, upper layer must send stop if | |
2423 | * required. | |
2424 | */ | |
2425 | if (mrq->data->stop && (mrq->data->error || !mrq->sbc)) { | |
2426 | if (ret) | |
2427 | mmc_wait_for_cmd(host, mrq->data->stop, 0); | |
2428 | else | |
2429 | ret = mmc_wait_for_cmd(host, mrq->data->stop, 0); | |
2430 | } | |
2431 | ||
2432 | if (ret) | |
2433 | goto out_free; | |
2434 | ||
2435 | if (cmd_ret) { | |
2436 | pr_info("%s: Send Status failed: status %#x, error %d\n", | |
2437 | mmc_hostname(test->card->host), status, cmd_ret); | |
2438 | } | |
2439 | ||
2440 | ret = mmc_test_check_result(test, mrq); | |
2441 | if (ret) | |
2442 | goto out_free; | |
2443 | ||
2444 | ret = mmc_test_wait_busy(test); | |
2445 | if (ret) | |
2446 | goto out_free; | |
2447 | ||
2448 | if (repeat_cmd && (t->blocks + 1) << 9 > t->max_tfr) | |
2449 | pr_info("%s: %d commands completed during transfer of %u blocks\n", | |
2450 | mmc_hostname(test->card->host), count, t->blocks); | |
2451 | ||
2452 | if (cmd_ret) | |
2453 | ret = cmd_ret; | |
2454 | out_free: | |
2455 | kfree(rq); | |
2456 | ||
2457 | return ret; | |
2458 | } | |
2459 | ||
2460 | static int __mmc_test_cmds_during_tfr(struct mmc_test_card *test, | |
2461 | unsigned long sz, int use_sbc, int write, | |
2462 | int use_areq) | |
2463 | { | |
2464 | struct mmc_test_area *t = &test->area; | |
2465 | int ret; | |
2466 | ||
2467 | if (!(test->card->host->caps & MMC_CAP_CMD_DURING_TFR)) | |
2468 | return RESULT_UNSUP_HOST; | |
2469 | ||
2470 | ret = mmc_test_area_map(test, sz, 0, 0); | |
2471 | if (ret) | |
2472 | return ret; | |
2473 | ||
2474 | ret = mmc_test_ongoing_transfer(test, t->dev_addr, use_sbc, 0, write, | |
2475 | use_areq); | |
2476 | if (ret) | |
2477 | return ret; | |
2478 | ||
2479 | return mmc_test_ongoing_transfer(test, t->dev_addr, use_sbc, 1, write, | |
2480 | use_areq); | |
2481 | } | |
2482 | ||
2483 | static int mmc_test_cmds_during_tfr(struct mmc_test_card *test, int use_sbc, | |
2484 | int write, int use_areq) | |
2485 | { | |
2486 | struct mmc_test_area *t = &test->area; | |
2487 | unsigned long sz; | |
2488 | int ret; | |
2489 | ||
2490 | for (sz = 512; sz <= t->max_tfr; sz += 512) { | |
2491 | ret = __mmc_test_cmds_during_tfr(test, sz, use_sbc, write, | |
2492 | use_areq); | |
2493 | if (ret) | |
2494 | return ret; | |
2495 | } | |
2496 | return 0; | |
2497 | } | |
2498 | ||
2499 | /* | |
2500 | * Commands during read - no Set Block Count (CMD23). | |
2501 | */ | |
2502 | static int mmc_test_cmds_during_read(struct mmc_test_card *test) | |
2503 | { | |
2504 | return mmc_test_cmds_during_tfr(test, 0, 0, 0); | |
2505 | } | |
2506 | ||
2507 | /* | |
2508 | * Commands during write - no Set Block Count (CMD23). | |
2509 | */ | |
2510 | static int mmc_test_cmds_during_write(struct mmc_test_card *test) | |
2511 | { | |
2512 | return mmc_test_cmds_during_tfr(test, 0, 1, 0); | |
2513 | } | |
2514 | ||
2515 | /* | |
2516 | * Commands during read - use Set Block Count (CMD23). | |
2517 | */ | |
2518 | static int mmc_test_cmds_during_read_cmd23(struct mmc_test_card *test) | |
2519 | { | |
2520 | return mmc_test_cmds_during_tfr(test, 1, 0, 0); | |
2521 | } | |
2522 | ||
2523 | /* | |
2524 | * Commands during write - use Set Block Count (CMD23). | |
2525 | */ | |
2526 | static int mmc_test_cmds_during_write_cmd23(struct mmc_test_card *test) | |
2527 | { | |
2528 | return mmc_test_cmds_during_tfr(test, 1, 1, 0); | |
2529 | } | |
2530 | ||
2531 | /* | |
2532 | * Commands during non-blocking read - use Set Block Count (CMD23). | |
2533 | */ | |
2534 | static int mmc_test_cmds_during_read_cmd23_nonblock(struct mmc_test_card *test) | |
2535 | { | |
2536 | return mmc_test_cmds_during_tfr(test, 1, 0, 1); | |
2537 | } | |
2538 | ||
2539 | /* | |
2540 | * Commands during non-blocking write - use Set Block Count (CMD23). | |
2541 | */ | |
2542 | static int mmc_test_cmds_during_write_cmd23_nonblock(struct mmc_test_card *test) | |
2543 | { | |
2544 | return mmc_test_cmds_during_tfr(test, 1, 1, 1); | |
2545 | } | |
2546 | ||
88ae600d PO |
2547 | static const struct mmc_test_case mmc_test_cases[] = { |
2548 | { | |
2549 | .name = "Basic write (no data verification)", | |
2550 | .run = mmc_test_basic_write, | |
2551 | }, | |
2552 | ||
2553 | { | |
2554 | .name = "Basic read (no data verification)", | |
2555 | .run = mmc_test_basic_read, | |
2556 | }, | |
2557 | ||
2558 | { | |
2559 | .name = "Basic write (with data verification)", | |
6b174931 | 2560 | .prepare = mmc_test_prepare_write, |
88ae600d | 2561 | .run = mmc_test_verify_write, |
6b174931 | 2562 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2563 | }, |
2564 | ||
2565 | { | |
2566 | .name = "Basic read (with data verification)", | |
6b174931 | 2567 | .prepare = mmc_test_prepare_read, |
88ae600d | 2568 | .run = mmc_test_verify_read, |
6b174931 | 2569 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2570 | }, |
2571 | ||
2572 | { | |
2573 | .name = "Multi-block write", | |
6b174931 | 2574 | .prepare = mmc_test_prepare_write, |
88ae600d | 2575 | .run = mmc_test_multi_write, |
6b174931 | 2576 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2577 | }, |
2578 | ||
2579 | { | |
2580 | .name = "Multi-block read", | |
6b174931 | 2581 | .prepare = mmc_test_prepare_read, |
88ae600d | 2582 | .run = mmc_test_multi_read, |
6b174931 | 2583 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2584 | }, |
2585 | ||
2586 | { | |
2587 | .name = "Power of two block writes", | |
6b174931 | 2588 | .prepare = mmc_test_prepare_write, |
88ae600d | 2589 | .run = mmc_test_pow2_write, |
6b174931 | 2590 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2591 | }, |
2592 | ||
2593 | { | |
2594 | .name = "Power of two block reads", | |
6b174931 | 2595 | .prepare = mmc_test_prepare_read, |
88ae600d | 2596 | .run = mmc_test_pow2_read, |
6b174931 | 2597 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2598 | }, |
2599 | ||
2600 | { | |
2601 | .name = "Weird sized block writes", | |
6b174931 | 2602 | .prepare = mmc_test_prepare_write, |
88ae600d | 2603 | .run = mmc_test_weird_write, |
6b174931 | 2604 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2605 | }, |
2606 | ||
2607 | { | |
2608 | .name = "Weird sized block reads", | |
6b174931 | 2609 | .prepare = mmc_test_prepare_read, |
88ae600d | 2610 | .run = mmc_test_weird_read, |
6b174931 | 2611 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2612 | }, |
2613 | ||
2614 | { | |
2615 | .name = "Badly aligned write", | |
6b174931 | 2616 | .prepare = mmc_test_prepare_write, |
88ae600d | 2617 | .run = mmc_test_align_write, |
6b174931 | 2618 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2619 | }, |
2620 | ||
2621 | { | |
2622 | .name = "Badly aligned read", | |
6b174931 | 2623 | .prepare = mmc_test_prepare_read, |
88ae600d | 2624 | .run = mmc_test_align_read, |
6b174931 | 2625 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2626 | }, |
2627 | ||
2628 | { | |
2629 | .name = "Badly aligned multi-block write", | |
6b174931 | 2630 | .prepare = mmc_test_prepare_write, |
88ae600d | 2631 | .run = mmc_test_align_multi_write, |
6b174931 | 2632 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2633 | }, |
2634 | ||
2635 | { | |
2636 | .name = "Badly aligned multi-block read", | |
6b174931 | 2637 | .prepare = mmc_test_prepare_read, |
88ae600d | 2638 | .run = mmc_test_align_multi_read, |
6b174931 | 2639 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2640 | }, |
2641 | ||
2642 | { | |
2643 | .name = "Correct xfer_size at write (start failure)", | |
2644 | .run = mmc_test_xfersize_write, | |
2645 | }, | |
2646 | ||
2647 | { | |
2648 | .name = "Correct xfer_size at read (start failure)", | |
2649 | .run = mmc_test_xfersize_read, | |
2650 | }, | |
2651 | ||
2652 | { | |
2653 | .name = "Correct xfer_size at write (midway failure)", | |
2654 | .run = mmc_test_multi_xfersize_write, | |
2655 | }, | |
2656 | ||
2657 | { | |
2658 | .name = "Correct xfer_size at read (midway failure)", | |
2659 | .run = mmc_test_multi_xfersize_read, | |
2660 | }, | |
2661081f PO |
2661 | |
2662 | #ifdef CONFIG_HIGHMEM | |
2663 | ||
2664 | { | |
2665 | .name = "Highmem write", | |
2666 | .prepare = mmc_test_prepare_write, | |
2667 | .run = mmc_test_write_high, | |
2668 | .cleanup = mmc_test_cleanup, | |
2669 | }, | |
2670 | ||
2671 | { | |
2672 | .name = "Highmem read", | |
2673 | .prepare = mmc_test_prepare_read, | |
2674 | .run = mmc_test_read_high, | |
2675 | .cleanup = mmc_test_cleanup, | |
2676 | }, | |
2677 | ||
2678 | { | |
2679 | .name = "Multi-block highmem write", | |
2680 | .prepare = mmc_test_prepare_write, | |
2681 | .run = mmc_test_multi_write_high, | |
2682 | .cleanup = mmc_test_cleanup, | |
2683 | }, | |
2684 | ||
2685 | { | |
2686 | .name = "Multi-block highmem read", | |
2687 | .prepare = mmc_test_prepare_read, | |
2688 | .run = mmc_test_multi_read_high, | |
2689 | .cleanup = mmc_test_cleanup, | |
2690 | }, | |
2691 | ||
64f7120d AH |
2692 | #else |
2693 | ||
2694 | { | |
2695 | .name = "Highmem write", | |
2696 | .run = mmc_test_no_highmem, | |
2697 | }, | |
2698 | ||
2699 | { | |
2700 | .name = "Highmem read", | |
2701 | .run = mmc_test_no_highmem, | |
2702 | }, | |
2703 | ||
2704 | { | |
2705 | .name = "Multi-block highmem write", | |
2706 | .run = mmc_test_no_highmem, | |
2707 | }, | |
2708 | ||
2709 | { | |
2710 | .name = "Multi-block highmem read", | |
2711 | .run = mmc_test_no_highmem, | |
2712 | }, | |
2713 | ||
2661081f PO |
2714 | #endif /* CONFIG_HIGHMEM */ |
2715 | ||
64f7120d AH |
2716 | { |
2717 | .name = "Best-case read performance", | |
2718 | .prepare = mmc_test_area_prepare_fill, | |
2719 | .run = mmc_test_best_read_performance, | |
2720 | .cleanup = mmc_test_area_cleanup, | |
2721 | }, | |
2722 | ||
2723 | { | |
2724 | .name = "Best-case write performance", | |
2725 | .prepare = mmc_test_area_prepare_erase, | |
2726 | .run = mmc_test_best_write_performance, | |
2727 | .cleanup = mmc_test_area_cleanup, | |
2728 | }, | |
2729 | ||
2730 | { | |
2731 | .name = "Best-case read performance into scattered pages", | |
2732 | .prepare = mmc_test_area_prepare_fill, | |
2733 | .run = mmc_test_best_read_perf_max_scatter, | |
2734 | .cleanup = mmc_test_area_cleanup, | |
2735 | }, | |
2736 | ||
2737 | { | |
2738 | .name = "Best-case write performance from scattered pages", | |
2739 | .prepare = mmc_test_area_prepare_erase, | |
2740 | .run = mmc_test_best_write_perf_max_scatter, | |
2741 | .cleanup = mmc_test_area_cleanup, | |
2742 | }, | |
2743 | ||
2744 | { | |
2745 | .name = "Single read performance by transfer size", | |
2746 | .prepare = mmc_test_area_prepare_fill, | |
2747 | .run = mmc_test_profile_read_perf, | |
2748 | .cleanup = mmc_test_area_cleanup, | |
2749 | }, | |
2750 | ||
2751 | { | |
2752 | .name = "Single write performance by transfer size", | |
2753 | .prepare = mmc_test_area_prepare, | |
2754 | .run = mmc_test_profile_write_perf, | |
2755 | .cleanup = mmc_test_area_cleanup, | |
2756 | }, | |
2757 | ||
2758 | { | |
2759 | .name = "Single trim performance by transfer size", | |
2760 | .prepare = mmc_test_area_prepare_fill, | |
2761 | .run = mmc_test_profile_trim_perf, | |
2762 | .cleanup = mmc_test_area_cleanup, | |
2763 | }, | |
2764 | ||
2765 | { | |
2766 | .name = "Consecutive read performance by transfer size", | |
2767 | .prepare = mmc_test_area_prepare_fill, | |
2768 | .run = mmc_test_profile_seq_read_perf, | |
2769 | .cleanup = mmc_test_area_cleanup, | |
2770 | }, | |
2771 | ||
2772 | { | |
2773 | .name = "Consecutive write performance by transfer size", | |
2774 | .prepare = mmc_test_area_prepare, | |
2775 | .run = mmc_test_profile_seq_write_perf, | |
2776 | .cleanup = mmc_test_area_cleanup, | |
2777 | }, | |
2778 | ||
2779 | { | |
2780 | .name = "Consecutive trim performance by transfer size", | |
2781 | .prepare = mmc_test_area_prepare, | |
2782 | .run = mmc_test_profile_seq_trim_perf, | |
2783 | .cleanup = mmc_test_area_cleanup, | |
2784 | }, | |
2785 | ||
b6056d12 AH |
2786 | { |
2787 | .name = "Random read performance by transfer size", | |
2788 | .prepare = mmc_test_area_prepare, | |
2789 | .run = mmc_test_random_read_perf, | |
2790 | .cleanup = mmc_test_area_cleanup, | |
2791 | }, | |
2792 | ||
2793 | { | |
2794 | .name = "Random write performance by transfer size", | |
2795 | .prepare = mmc_test_area_prepare, | |
2796 | .run = mmc_test_random_write_perf, | |
2797 | .cleanup = mmc_test_area_cleanup, | |
2798 | }, | |
2799 | ||
a803d551 AH |
2800 | { |
2801 | .name = "Large sequential read into scattered pages", | |
2802 | .prepare = mmc_test_area_prepare, | |
2803 | .run = mmc_test_large_seq_read_perf, | |
2804 | .cleanup = mmc_test_area_cleanup, | |
2805 | }, | |
2806 | ||
2807 | { | |
2808 | .name = "Large sequential write from scattered pages", | |
2809 | .prepare = mmc_test_area_prepare, | |
2810 | .run = mmc_test_large_seq_write_perf, | |
2811 | .cleanup = mmc_test_area_cleanup, | |
2812 | }, | |
2813 | ||
9f9c4180 PF |
2814 | { |
2815 | .name = "Write performance with blocking req 4k to 4MB", | |
2816 | .prepare = mmc_test_area_prepare, | |
2817 | .run = mmc_test_profile_mult_write_blocking_perf, | |
2818 | .cleanup = mmc_test_area_cleanup, | |
2819 | }, | |
2820 | ||
2821 | { | |
2822 | .name = "Write performance with non-blocking req 4k to 4MB", | |
2823 | .prepare = mmc_test_area_prepare, | |
2824 | .run = mmc_test_profile_mult_write_nonblock_perf, | |
2825 | .cleanup = mmc_test_area_cleanup, | |
2826 | }, | |
2827 | ||
2828 | { | |
2829 | .name = "Read performance with blocking req 4k to 4MB", | |
2830 | .prepare = mmc_test_area_prepare, | |
2831 | .run = mmc_test_profile_mult_read_blocking_perf, | |
2832 | .cleanup = mmc_test_area_cleanup, | |
2833 | }, | |
2834 | ||
2835 | { | |
2836 | .name = "Read performance with non-blocking req 4k to 4MB", | |
2837 | .prepare = mmc_test_area_prepare, | |
2838 | .run = mmc_test_profile_mult_read_nonblock_perf, | |
2839 | .cleanup = mmc_test_area_cleanup, | |
2840 | }, | |
bf043330 PF |
2841 | |
2842 | { | |
2843 | .name = "Write performance blocking req 1 to 512 sg elems", | |
2844 | .prepare = mmc_test_area_prepare, | |
2845 | .run = mmc_test_profile_sglen_wr_blocking_perf, | |
2846 | .cleanup = mmc_test_area_cleanup, | |
2847 | }, | |
2848 | ||
2849 | { | |
2850 | .name = "Write performance non-blocking req 1 to 512 sg elems", | |
2851 | .prepare = mmc_test_area_prepare, | |
2852 | .run = mmc_test_profile_sglen_wr_nonblock_perf, | |
2853 | .cleanup = mmc_test_area_cleanup, | |
2854 | }, | |
2855 | ||
2856 | { | |
2857 | .name = "Read performance blocking req 1 to 512 sg elems", | |
2858 | .prepare = mmc_test_area_prepare, | |
2859 | .run = mmc_test_profile_sglen_r_blocking_perf, | |
2860 | .cleanup = mmc_test_area_cleanup, | |
2861 | }, | |
2862 | ||
2863 | { | |
2864 | .name = "Read performance non-blocking req 1 to 512 sg elems", | |
2865 | .prepare = mmc_test_area_prepare, | |
2866 | .run = mmc_test_profile_sglen_r_nonblock_perf, | |
2867 | .cleanup = mmc_test_area_cleanup, | |
2868 | }, | |
2311344c AH |
2869 | |
2870 | { | |
08b137d9 CJ |
2871 | .name = "Reset test", |
2872 | .run = mmc_test_reset, | |
2311344c | 2873 | }, |
4bbb9aac AH |
2874 | |
2875 | { | |
2876 | .name = "Commands during read - no Set Block Count (CMD23)", | |
2877 | .prepare = mmc_test_area_prepare, | |
2878 | .run = mmc_test_cmds_during_read, | |
2879 | .cleanup = mmc_test_area_cleanup, | |
2880 | }, | |
2881 | ||
2882 | { | |
2883 | .name = "Commands during write - no Set Block Count (CMD23)", | |
2884 | .prepare = mmc_test_area_prepare, | |
2885 | .run = mmc_test_cmds_during_write, | |
2886 | .cleanup = mmc_test_area_cleanup, | |
2887 | }, | |
2888 | ||
2889 | { | |
2890 | .name = "Commands during read - use Set Block Count (CMD23)", | |
2891 | .prepare = mmc_test_area_prepare, | |
2892 | .run = mmc_test_cmds_during_read_cmd23, | |
2893 | .cleanup = mmc_test_area_cleanup, | |
2894 | }, | |
2895 | ||
2896 | { | |
2897 | .name = "Commands during write - use Set Block Count (CMD23)", | |
2898 | .prepare = mmc_test_area_prepare, | |
2899 | .run = mmc_test_cmds_during_write_cmd23, | |
2900 | .cleanup = mmc_test_area_cleanup, | |
2901 | }, | |
2902 | ||
2903 | { | |
2904 | .name = "Commands during non-blocking read - use Set Block Count (CMD23)", | |
2905 | .prepare = mmc_test_area_prepare, | |
2906 | .run = mmc_test_cmds_during_read_cmd23_nonblock, | |
2907 | .cleanup = mmc_test_area_cleanup, | |
2908 | }, | |
2909 | ||
2910 | { | |
2911 | .name = "Commands during non-blocking write - use Set Block Count (CMD23)", | |
2912 | .prepare = mmc_test_area_prepare, | |
2913 | .run = mmc_test_cmds_during_write_cmd23_nonblock, | |
2914 | .cleanup = mmc_test_area_cleanup, | |
2915 | }, | |
88ae600d PO |
2916 | }; |
2917 | ||
a650031a | 2918 | static DEFINE_MUTEX(mmc_test_lock); |
88ae600d | 2919 | |
3183aa15 AS |
2920 | static LIST_HEAD(mmc_test_result); |
2921 | ||
fd8c326c | 2922 | static void mmc_test_run(struct mmc_test_card *test, int testcase) |
88ae600d PO |
2923 | { |
2924 | int i, ret; | |
2925 | ||
a3c76eb9 | 2926 | pr_info("%s: Starting tests of card %s...\n", |
88ae600d PO |
2927 | mmc_hostname(test->card->host), mmc_card_id(test->card)); |
2928 | ||
2929 | mmc_claim_host(test->card->host); | |
2930 | ||
2931 | for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) { | |
3183aa15 AS |
2932 | struct mmc_test_general_result *gr; |
2933 | ||
fd8c326c PO |
2934 | if (testcase && ((i + 1) != testcase)) |
2935 | continue; | |
2936 | ||
a3c76eb9 | 2937 | pr_info("%s: Test case %d. %s...\n", |
88ae600d PO |
2938 | mmc_hostname(test->card->host), i + 1, |
2939 | mmc_test_cases[i].name); | |
2940 | ||
2941 | if (mmc_test_cases[i].prepare) { | |
2942 | ret = mmc_test_cases[i].prepare(test); | |
2943 | if (ret) { | |
a3c76eb9 | 2944 | pr_info("%s: Result: Prepare " |
88ae600d PO |
2945 | "stage failed! (%d)\n", |
2946 | mmc_hostname(test->card->host), | |
2947 | ret); | |
2948 | continue; | |
2949 | } | |
2950 | } | |
2951 | ||
3183aa15 AS |
2952 | gr = kzalloc(sizeof(struct mmc_test_general_result), |
2953 | GFP_KERNEL); | |
2954 | if (gr) { | |
2955 | INIT_LIST_HEAD(&gr->tr_lst); | |
2956 | ||
2957 | /* Assign data what we know already */ | |
2958 | gr->card = test->card; | |
2959 | gr->testcase = i; | |
2960 | ||
2961 | /* Append container to global one */ | |
2962 | list_add_tail(&gr->link, &mmc_test_result); | |
2963 | ||
2964 | /* | |
2965 | * Save the pointer to created container in our private | |
2966 | * structure. | |
2967 | */ | |
2968 | test->gr = gr; | |
2969 | } | |
2970 | ||
88ae600d PO |
2971 | ret = mmc_test_cases[i].run(test); |
2972 | switch (ret) { | |
2973 | case RESULT_OK: | |
a3c76eb9 | 2974 | pr_info("%s: Result: OK\n", |
88ae600d PO |
2975 | mmc_hostname(test->card->host)); |
2976 | break; | |
2977 | case RESULT_FAIL: | |
a3c76eb9 | 2978 | pr_info("%s: Result: FAILED\n", |
88ae600d PO |
2979 | mmc_hostname(test->card->host)); |
2980 | break; | |
2981 | case RESULT_UNSUP_HOST: | |
a3c76eb9 | 2982 | pr_info("%s: Result: UNSUPPORTED " |
88ae600d PO |
2983 | "(by host)\n", |
2984 | mmc_hostname(test->card->host)); | |
2985 | break; | |
2986 | case RESULT_UNSUP_CARD: | |
a3c76eb9 | 2987 | pr_info("%s: Result: UNSUPPORTED " |
88ae600d PO |
2988 | "(by card)\n", |
2989 | mmc_hostname(test->card->host)); | |
2990 | break; | |
2991 | default: | |
a3c76eb9 | 2992 | pr_info("%s: Result: ERROR (%d)\n", |
88ae600d PO |
2993 | mmc_hostname(test->card->host), ret); |
2994 | } | |
2995 | ||
3183aa15 AS |
2996 | /* Save the result */ |
2997 | if (gr) | |
2998 | gr->result = ret; | |
2999 | ||
88ae600d PO |
3000 | if (mmc_test_cases[i].cleanup) { |
3001 | ret = mmc_test_cases[i].cleanup(test); | |
3002 | if (ret) { | |
a3c76eb9 | 3003 | pr_info("%s: Warning: Cleanup " |
88ae600d PO |
3004 | "stage failed! (%d)\n", |
3005 | mmc_hostname(test->card->host), | |
3006 | ret); | |
3007 | } | |
3008 | } | |
3009 | } | |
3010 | ||
3011 | mmc_release_host(test->card->host); | |
3012 | ||
a3c76eb9 | 3013 | pr_info("%s: Tests completed.\n", |
88ae600d PO |
3014 | mmc_hostname(test->card->host)); |
3015 | } | |
3016 | ||
3183aa15 AS |
3017 | static void mmc_test_free_result(struct mmc_card *card) |
3018 | { | |
3019 | struct mmc_test_general_result *gr, *grs; | |
3020 | ||
3021 | mutex_lock(&mmc_test_lock); | |
3022 | ||
3023 | list_for_each_entry_safe(gr, grs, &mmc_test_result, link) { | |
3024 | struct mmc_test_transfer_result *tr, *trs; | |
3025 | ||
3026 | if (card && gr->card != card) | |
3027 | continue; | |
3028 | ||
3029 | list_for_each_entry_safe(tr, trs, &gr->tr_lst, link) { | |
3030 | list_del(&tr->link); | |
3031 | kfree(tr); | |
3032 | } | |
3033 | ||
3034 | list_del(&gr->link); | |
3035 | kfree(gr); | |
3036 | } | |
3037 | ||
3038 | mutex_unlock(&mmc_test_lock); | |
3039 | } | |
3040 | ||
130067ed AS |
3041 | static LIST_HEAD(mmc_test_file_test); |
3042 | ||
3043 | static int mtf_test_show(struct seq_file *sf, void *data) | |
88ae600d | 3044 | { |
130067ed | 3045 | struct mmc_card *card = (struct mmc_card *)sf->private; |
3183aa15 | 3046 | struct mmc_test_general_result *gr; |
3183aa15 | 3047 | |
88ae600d | 3048 | mutex_lock(&mmc_test_lock); |
3183aa15 AS |
3049 | |
3050 | list_for_each_entry(gr, &mmc_test_result, link) { | |
3051 | struct mmc_test_transfer_result *tr; | |
3052 | ||
3053 | if (gr->card != card) | |
3054 | continue; | |
3055 | ||
130067ed | 3056 | seq_printf(sf, "Test %d: %d\n", gr->testcase + 1, gr->result); |
3183aa15 AS |
3057 | |
3058 | list_for_each_entry(tr, &gr->tr_lst, link) { | |
b6056d12 | 3059 | seq_printf(sf, "%u %d %lu.%09lu %u %u.%02u\n", |
3183aa15 AS |
3060 | tr->count, tr->sectors, |
3061 | (unsigned long)tr->ts.tv_sec, | |
3062 | (unsigned long)tr->ts.tv_nsec, | |
b6056d12 | 3063 | tr->rate, tr->iops / 100, tr->iops % 100); |
3183aa15 AS |
3064 | } |
3065 | } | |
3066 | ||
88ae600d PO |
3067 | mutex_unlock(&mmc_test_lock); |
3068 | ||
130067ed | 3069 | return 0; |
88ae600d PO |
3070 | } |
3071 | ||
130067ed | 3072 | static int mtf_test_open(struct inode *inode, struct file *file) |
88ae600d | 3073 | { |
130067ed AS |
3074 | return single_open(file, mtf_test_show, inode->i_private); |
3075 | } | |
3076 | ||
3077 | static ssize_t mtf_test_write(struct file *file, const char __user *buf, | |
3078 | size_t count, loff_t *pos) | |
3079 | { | |
3080 | struct seq_file *sf = (struct seq_file *)file->private_data; | |
3081 | struct mmc_card *card = (struct mmc_card *)sf->private; | |
88ae600d | 3082 | struct mmc_test_card *test; |
5c25aee5 | 3083 | long testcase; |
4be7085f | 3084 | int ret; |
88ae600d | 3085 | |
4be7085f JH |
3086 | ret = kstrtol_from_user(buf, count, 10, &testcase); |
3087 | if (ret) | |
3088 | return ret; | |
fd8c326c | 3089 | |
88ae600d PO |
3090 | test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL); |
3091 | if (!test) | |
3092 | return -ENOMEM; | |
3093 | ||
3183aa15 AS |
3094 | /* |
3095 | * Remove all test cases associated with given card. Thus we have only | |
3096 | * actual data of the last run. | |
3097 | */ | |
3098 | mmc_test_free_result(card); | |
3099 | ||
88ae600d PO |
3100 | test->card = card; |
3101 | ||
3102 | test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); | |
2661081f PO |
3103 | #ifdef CONFIG_HIGHMEM |
3104 | test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); | |
3105 | #endif | |
3106 | ||
3107 | #ifdef CONFIG_HIGHMEM | |
3108 | if (test->buffer && test->highmem) { | |
3109 | #else | |
88ae600d | 3110 | if (test->buffer) { |
2661081f | 3111 | #endif |
88ae600d | 3112 | mutex_lock(&mmc_test_lock); |
fd8c326c | 3113 | mmc_test_run(test, testcase); |
88ae600d PO |
3114 | mutex_unlock(&mmc_test_lock); |
3115 | } | |
3116 | ||
2661081f PO |
3117 | #ifdef CONFIG_HIGHMEM |
3118 | __free_pages(test->highmem, BUFFER_ORDER); | |
3119 | #endif | |
88ae600d PO |
3120 | kfree(test->buffer); |
3121 | kfree(test); | |
3122 | ||
3123 | return count; | |
3124 | } | |
3125 | ||
130067ed AS |
3126 | static const struct file_operations mmc_test_fops_test = { |
3127 | .open = mtf_test_open, | |
3128 | .read = seq_read, | |
3129 | .write = mtf_test_write, | |
3130 | .llseek = seq_lseek, | |
3131 | .release = single_release, | |
3132 | }; | |
3133 | ||
54f3caf5 PF |
3134 | static int mtf_testlist_show(struct seq_file *sf, void *data) |
3135 | { | |
3136 | int i; | |
3137 | ||
3138 | mutex_lock(&mmc_test_lock); | |
3139 | ||
1ac109dd | 3140 | seq_printf(sf, "0:\tRun all tests\n"); |
54f3caf5 PF |
3141 | for (i = 0; i < ARRAY_SIZE(mmc_test_cases); i++) |
3142 | seq_printf(sf, "%d:\t%s\n", i+1, mmc_test_cases[i].name); | |
3143 | ||
3144 | mutex_unlock(&mmc_test_lock); | |
3145 | ||
3146 | return 0; | |
3147 | } | |
3148 | ||
3149 | static int mtf_testlist_open(struct inode *inode, struct file *file) | |
3150 | { | |
3151 | return single_open(file, mtf_testlist_show, inode->i_private); | |
3152 | } | |
3153 | ||
3154 | static const struct file_operations mmc_test_fops_testlist = { | |
3155 | .open = mtf_testlist_open, | |
3156 | .read = seq_read, | |
3157 | .llseek = seq_lseek, | |
3158 | .release = single_release, | |
3159 | }; | |
3160 | ||
d5a5bd1c | 3161 | static void mmc_test_free_dbgfs_file(struct mmc_card *card) |
130067ed AS |
3162 | { |
3163 | struct mmc_test_dbgfs_file *df, *dfs; | |
3164 | ||
3165 | mutex_lock(&mmc_test_lock); | |
3166 | ||
3167 | list_for_each_entry_safe(df, dfs, &mmc_test_file_test, link) { | |
3168 | if (card && df->card != card) | |
3169 | continue; | |
3170 | debugfs_remove(df->file); | |
3171 | list_del(&df->link); | |
3172 | kfree(df); | |
3173 | } | |
3174 | ||
3175 | mutex_unlock(&mmc_test_lock); | |
3176 | } | |
3177 | ||
d5a5bd1c | 3178 | static int __mmc_test_register_dbgfs_file(struct mmc_card *card, |
f4ae40a6 | 3179 | const char *name, umode_t mode, const struct file_operations *fops) |
130067ed AS |
3180 | { |
3181 | struct dentry *file = NULL; | |
3182 | struct mmc_test_dbgfs_file *df; | |
54f3caf5 PF |
3183 | |
3184 | if (card->debugfs_root) | |
d5a5bd1c AS |
3185 | file = debugfs_create_file(name, mode, card->debugfs_root, |
3186 | card, fops); | |
54f3caf5 PF |
3187 | |
3188 | if (IS_ERR_OR_NULL(file)) { | |
3189 | dev_err(&card->dev, | |
d5a5bd1c AS |
3190 | "Can't create %s. Perhaps debugfs is disabled.\n", |
3191 | name); | |
3192 | return -ENODEV; | |
130067ed AS |
3193 | } |
3194 | ||
3195 | df = kmalloc(sizeof(struct mmc_test_dbgfs_file), GFP_KERNEL); | |
3196 | if (!df) { | |
3197 | debugfs_remove(file); | |
3198 | dev_err(&card->dev, | |
3199 | "Can't allocate memory for internal usage.\n"); | |
d5a5bd1c | 3200 | return -ENOMEM; |
130067ed AS |
3201 | } |
3202 | ||
3203 | df->card = card; | |
3204 | df->file = file; | |
3205 | ||
3206 | list_add(&df->link, &mmc_test_file_test); | |
d5a5bd1c AS |
3207 | return 0; |
3208 | } | |
3209 | ||
3210 | static int mmc_test_register_dbgfs_file(struct mmc_card *card) | |
3211 | { | |
3212 | int ret; | |
3213 | ||
3214 | mutex_lock(&mmc_test_lock); | |
3215 | ||
3216 | ret = __mmc_test_register_dbgfs_file(card, "test", S_IWUSR | S_IRUGO, | |
3217 | &mmc_test_fops_test); | |
3218 | if (ret) | |
3219 | goto err; | |
3220 | ||
3221 | ret = __mmc_test_register_dbgfs_file(card, "testlist", S_IRUGO, | |
3222 | &mmc_test_fops_testlist); | |
3223 | if (ret) | |
3224 | goto err; | |
130067ed AS |
3225 | |
3226 | err: | |
3227 | mutex_unlock(&mmc_test_lock); | |
3228 | ||
3229 | return ret; | |
3230 | } | |
88ae600d | 3231 | |
96541bac | 3232 | static int mmc_test_probe(struct mmc_card *card) |
88ae600d PO |
3233 | { |
3234 | int ret; | |
3235 | ||
63be54ce | 3236 | if (!mmc_card_mmc(card) && !mmc_card_sd(card)) |
0121a982 PO |
3237 | return -ENODEV; |
3238 | ||
d5a5bd1c | 3239 | ret = mmc_test_register_dbgfs_file(card); |
88ae600d PO |
3240 | if (ret) |
3241 | return ret; | |
3242 | ||
60c9c7b1 PO |
3243 | dev_info(&card->dev, "Card claimed for testing.\n"); |
3244 | ||
88ae600d PO |
3245 | return 0; |
3246 | } | |
3247 | ||
96541bac | 3248 | static void mmc_test_remove(struct mmc_card *card) |
88ae600d | 3249 | { |
3183aa15 | 3250 | mmc_test_free_result(card); |
d5a5bd1c | 3251 | mmc_test_free_dbgfs_file(card); |
88ae600d PO |
3252 | } |
3253 | ||
96541bac | 3254 | static void mmc_test_shutdown(struct mmc_card *card) |
76287748 UH |
3255 | { |
3256 | } | |
3257 | ||
96541bac UH |
3258 | static struct mmc_driver mmc_driver = { |
3259 | .drv = { | |
3260 | .name = "mmc_test", | |
3261 | }, | |
88ae600d PO |
3262 | .probe = mmc_test_probe, |
3263 | .remove = mmc_test_remove, | |
76287748 | 3264 | .shutdown = mmc_test_shutdown, |
88ae600d PO |
3265 | }; |
3266 | ||
3267 | static int __init mmc_test_init(void) | |
3268 | { | |
3269 | return mmc_register_driver(&mmc_driver); | |
3270 | } | |
3271 | ||
3272 | static void __exit mmc_test_exit(void) | |
3273 | { | |
3183aa15 AS |
3274 | /* Clear stalled data if card is still plugged */ |
3275 | mmc_test_free_result(NULL); | |
d5a5bd1c | 3276 | mmc_test_free_dbgfs_file(NULL); |
3183aa15 | 3277 | |
88ae600d PO |
3278 | mmc_unregister_driver(&mmc_driver); |
3279 | } | |
3280 | ||
3281 | module_init(mmc_test_init); | |
3282 | module_exit(mmc_test_exit); | |
3283 | ||
3284 | MODULE_LICENSE("GPL"); | |
3285 | MODULE_DESCRIPTION("Multimedia Card (MMC) host test driver"); | |
3286 | MODULE_AUTHOR("Pierre Ossman"); |