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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 | { |
f28ef561 SL |
217 | if (WARN_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop)) |
218 | return; | |
88ae600d | 219 | |
6b174931 PO |
220 | if (blocks > 1) { |
221 | mrq->cmd->opcode = write ? | |
222 | MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK; | |
88ae600d | 223 | } else { |
6b174931 PO |
224 | mrq->cmd->opcode = write ? |
225 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
88ae600d PO |
226 | } |
227 | ||
6b174931 | 228 | mrq->cmd->arg = dev_addr; |
c286d03c JK |
229 | if (!mmc_card_blockaddr(test->card)) |
230 | mrq->cmd->arg <<= 9; | |
231 | ||
6b174931 | 232 | mrq->cmd->flags = MMC_RSP_R1 | MMC_CMD_ADTC; |
88ae600d | 233 | |
6b174931 PO |
234 | if (blocks == 1) |
235 | mrq->stop = NULL; | |
236 | else { | |
237 | mrq->stop->opcode = MMC_STOP_TRANSMISSION; | |
238 | mrq->stop->arg = 0; | |
239 | mrq->stop->flags = MMC_RSP_R1B | MMC_CMD_AC; | |
88ae600d PO |
240 | } |
241 | ||
6b174931 PO |
242 | mrq->data->blksz = blksz; |
243 | mrq->data->blocks = blocks; | |
244 | mrq->data->flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; | |
245 | mrq->data->sg = sg; | |
246 | mrq->data->sg_len = sg_len; | |
88ae600d | 247 | |
4bbb9aac AH |
248 | mmc_test_prepare_sbc(test, mrq, blocks); |
249 | ||
6b174931 PO |
250 | mmc_set_data_timeout(mrq->data, test->card); |
251 | } | |
88ae600d | 252 | |
64f7120d AH |
253 | static int mmc_test_busy(struct mmc_command *cmd) |
254 | { | |
255 | return !(cmd->resp[0] & R1_READY_FOR_DATA) || | |
7435bb79 | 256 | (R1_CURRENT_STATE(cmd->resp[0]) == R1_STATE_PRG); |
64f7120d AH |
257 | } |
258 | ||
6b174931 PO |
259 | /* |
260 | * Wait for the card to finish the busy state | |
261 | */ | |
262 | static int mmc_test_wait_busy(struct mmc_test_card *test) | |
263 | { | |
264 | int ret, busy; | |
1278dba1 | 265 | struct mmc_command cmd = {0}; |
88ae600d PO |
266 | |
267 | busy = 0; | |
268 | do { | |
88ae600d PO |
269 | memset(&cmd, 0, sizeof(struct mmc_command)); |
270 | ||
271 | cmd.opcode = MMC_SEND_STATUS; | |
272 | cmd.arg = test->card->rca << 16; | |
273 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; | |
274 | ||
6b174931 PO |
275 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); |
276 | if (ret) | |
88ae600d PO |
277 | break; |
278 | ||
64f7120d | 279 | if (!busy && mmc_test_busy(&cmd)) { |
88ae600d | 280 | busy = 1; |
54d6b44a | 281 | if (test->card->host->caps & MMC_CAP_WAIT_WHILE_BUSY) |
a3c76eb9 | 282 | pr_info("%s: Warning: Host did not " |
54d6b44a PM |
283 | "wait for busy state to end.\n", |
284 | mmc_hostname(test->card->host)); | |
88ae600d | 285 | } |
64f7120d | 286 | } while (mmc_test_busy(&cmd)); |
88ae600d PO |
287 | |
288 | return ret; | |
289 | } | |
290 | ||
6b174931 PO |
291 | /* |
292 | * Transfer a single sector of kernel addressable data | |
293 | */ | |
294 | static int mmc_test_buffer_transfer(struct mmc_test_card *test, | |
295 | u8 *buffer, unsigned addr, unsigned blksz, int write) | |
88ae600d | 296 | { |
24f5b53b | 297 | struct mmc_request mrq = {0}; |
1278dba1 CB |
298 | struct mmc_command cmd = {0}; |
299 | struct mmc_command stop = {0}; | |
a61ad2b4 | 300 | struct mmc_data data = {0}; |
6b174931 PO |
301 | |
302 | struct scatterlist sg; | |
303 | ||
6b174931 PO |
304 | mrq.cmd = &cmd; |
305 | mrq.data = &data; | |
306 | mrq.stop = &stop; | |
307 | ||
308 | sg_init_one(&sg, buffer, blksz); | |
309 | ||
310 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write); | |
311 | ||
312 | mmc_wait_for_req(test->card->host, &mrq); | |
313 | ||
314 | if (cmd.error) | |
315 | return cmd.error; | |
316 | if (data.error) | |
317 | return data.error; | |
318 | ||
30a9b9e1 | 319 | return mmc_test_wait_busy(test); |
88ae600d PO |
320 | } |
321 | ||
64f7120d AH |
322 | static void mmc_test_free_mem(struct mmc_test_mem *mem) |
323 | { | |
324 | if (!mem) | |
325 | return; | |
326 | while (mem->cnt--) | |
327 | __free_pages(mem->arr[mem->cnt].page, | |
328 | mem->arr[mem->cnt].order); | |
329 | kfree(mem->arr); | |
330 | kfree(mem); | |
331 | } | |
332 | ||
333 | /* | |
25985edc | 334 | * Allocate a lot of memory, preferably max_sz but at least min_sz. In case |
c8c8c1bd AH |
335 | * there isn't much memory do not exceed 1/16th total lowmem pages. Also do |
336 | * not exceed a maximum number of segments and try not to make segments much | |
337 | * bigger than maximum segment size. | |
64f7120d | 338 | */ |
fec4dcce | 339 | static struct mmc_test_mem *mmc_test_alloc_mem(unsigned long min_sz, |
c8c8c1bd AH |
340 | unsigned long max_sz, |
341 | unsigned int max_segs, | |
342 | unsigned int max_seg_sz) | |
64f7120d | 343 | { |
fec4dcce AH |
344 | unsigned long max_page_cnt = DIV_ROUND_UP(max_sz, PAGE_SIZE); |
345 | unsigned long min_page_cnt = DIV_ROUND_UP(min_sz, PAGE_SIZE); | |
c8c8c1bd | 346 | unsigned long max_seg_page_cnt = DIV_ROUND_UP(max_seg_sz, PAGE_SIZE); |
fec4dcce AH |
347 | unsigned long page_cnt = 0; |
348 | unsigned long limit = nr_free_buffer_pages() >> 4; | |
64f7120d | 349 | struct mmc_test_mem *mem; |
64f7120d | 350 | |
fec4dcce AH |
351 | if (max_page_cnt > limit) |
352 | max_page_cnt = limit; | |
3d203be8 AH |
353 | if (min_page_cnt > max_page_cnt) |
354 | min_page_cnt = max_page_cnt; | |
64f7120d | 355 | |
c8c8c1bd AH |
356 | if (max_seg_page_cnt > max_page_cnt) |
357 | max_seg_page_cnt = max_page_cnt; | |
358 | ||
359 | if (max_segs > max_page_cnt) | |
360 | max_segs = max_page_cnt; | |
361 | ||
64f7120d AH |
362 | mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL); |
363 | if (!mem) | |
364 | return NULL; | |
365 | ||
c8c8c1bd | 366 | mem->arr = kzalloc(sizeof(struct mmc_test_pages) * max_segs, |
64f7120d AH |
367 | GFP_KERNEL); |
368 | if (!mem->arr) | |
369 | goto out_free; | |
370 | ||
371 | while (max_page_cnt) { | |
372 | struct page *page; | |
373 | unsigned int order; | |
374 | gfp_t flags = GFP_KERNEL | GFP_DMA | __GFP_NOWARN | | |
375 | __GFP_NORETRY; | |
376 | ||
c8c8c1bd | 377 | order = get_order(max_seg_page_cnt << PAGE_SHIFT); |
64f7120d AH |
378 | while (1) { |
379 | page = alloc_pages(flags, order); | |
380 | if (page || !order) | |
381 | break; | |
382 | order -= 1; | |
383 | } | |
384 | if (!page) { | |
385 | if (page_cnt < min_page_cnt) | |
386 | goto out_free; | |
387 | break; | |
388 | } | |
389 | mem->arr[mem->cnt].page = page; | |
390 | mem->arr[mem->cnt].order = order; | |
391 | mem->cnt += 1; | |
fec4dcce AH |
392 | if (max_page_cnt <= (1UL << order)) |
393 | break; | |
3d203be8 AH |
394 | max_page_cnt -= 1UL << order; |
395 | page_cnt += 1UL << order; | |
c8c8c1bd AH |
396 | if (mem->cnt >= max_segs) { |
397 | if (page_cnt < min_page_cnt) | |
398 | goto out_free; | |
399 | break; | |
400 | } | |
64f7120d AH |
401 | } |
402 | ||
403 | return mem; | |
404 | ||
405 | out_free: | |
406 | mmc_test_free_mem(mem); | |
407 | return NULL; | |
408 | } | |
409 | ||
410 | /* | |
411 | * Map memory into a scatterlist. Optionally allow the same memory to be | |
412 | * mapped more than once. | |
413 | */ | |
bf043330 | 414 | static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long size, |
64f7120d | 415 | struct scatterlist *sglist, int repeat, |
c8c8c1bd | 416 | unsigned int max_segs, unsigned int max_seg_sz, |
bf043330 | 417 | unsigned int *sg_len, int min_sg_len) |
64f7120d AH |
418 | { |
419 | struct scatterlist *sg = NULL; | |
420 | unsigned int i; | |
bf043330 | 421 | unsigned long sz = size; |
64f7120d AH |
422 | |
423 | sg_init_table(sglist, max_segs); | |
bf043330 PF |
424 | if (min_sg_len > max_segs) |
425 | min_sg_len = max_segs; | |
64f7120d AH |
426 | |
427 | *sg_len = 0; | |
428 | do { | |
429 | for (i = 0; i < mem->cnt; i++) { | |
fec4dcce | 430 | unsigned long len = PAGE_SIZE << mem->arr[i].order; |
64f7120d | 431 | |
bf043330 PF |
432 | if (min_sg_len && (size / min_sg_len < len)) |
433 | len = ALIGN(size / min_sg_len, 512); | |
c8c8c1bd | 434 | if (len > sz) |
64f7120d | 435 | len = sz; |
c8c8c1bd AH |
436 | if (len > max_seg_sz) |
437 | len = max_seg_sz; | |
64f7120d AH |
438 | if (sg) |
439 | sg = sg_next(sg); | |
440 | else | |
441 | sg = sglist; | |
442 | if (!sg) | |
443 | return -EINVAL; | |
444 | sg_set_page(sg, mem->arr[i].page, len, 0); | |
445 | sz -= len; | |
446 | *sg_len += 1; | |
447 | if (!sz) | |
448 | break; | |
449 | } | |
450 | } while (sz && repeat); | |
451 | ||
452 | if (sz) | |
453 | return -EINVAL; | |
454 | ||
455 | if (sg) | |
456 | sg_mark_end(sg); | |
457 | ||
458 | return 0; | |
459 | } | |
460 | ||
461 | /* | |
462 | * Map memory into a scatterlist so that no pages are contiguous. Allow the | |
463 | * same memory to be mapped more than once. | |
464 | */ | |
465 | static int mmc_test_map_sg_max_scatter(struct mmc_test_mem *mem, | |
fec4dcce | 466 | unsigned long sz, |
64f7120d AH |
467 | struct scatterlist *sglist, |
468 | unsigned int max_segs, | |
c8c8c1bd | 469 | unsigned int max_seg_sz, |
64f7120d AH |
470 | unsigned int *sg_len) |
471 | { | |
472 | struct scatterlist *sg = NULL; | |
fec4dcce AH |
473 | unsigned int i = mem->cnt, cnt; |
474 | unsigned long len; | |
64f7120d AH |
475 | void *base, *addr, *last_addr = NULL; |
476 | ||
477 | sg_init_table(sglist, max_segs); | |
478 | ||
479 | *sg_len = 0; | |
c8c8c1bd | 480 | while (sz) { |
64f7120d AH |
481 | base = page_address(mem->arr[--i].page); |
482 | cnt = 1 << mem->arr[i].order; | |
483 | while (sz && cnt) { | |
484 | addr = base + PAGE_SIZE * --cnt; | |
485 | if (last_addr && last_addr + PAGE_SIZE == addr) | |
486 | continue; | |
487 | last_addr = addr; | |
488 | len = PAGE_SIZE; | |
c8c8c1bd AH |
489 | if (len > max_seg_sz) |
490 | len = max_seg_sz; | |
491 | if (len > sz) | |
64f7120d AH |
492 | len = sz; |
493 | if (sg) | |
494 | sg = sg_next(sg); | |
495 | else | |
496 | sg = sglist; | |
497 | if (!sg) | |
498 | return -EINVAL; | |
499 | sg_set_page(sg, virt_to_page(addr), len, 0); | |
500 | sz -= len; | |
501 | *sg_len += 1; | |
502 | } | |
c8c8c1bd AH |
503 | if (i == 0) |
504 | i = mem->cnt; | |
64f7120d AH |
505 | } |
506 | ||
507 | if (sg) | |
508 | sg_mark_end(sg); | |
509 | ||
510 | return 0; | |
511 | } | |
512 | ||
513 | /* | |
514 | * Calculate transfer rate in bytes per second. | |
515 | */ | |
516 | static unsigned int mmc_test_rate(uint64_t bytes, struct timespec *ts) | |
517 | { | |
518 | uint64_t ns; | |
519 | ||
520 | ns = ts->tv_sec; | |
521 | ns *= 1000000000; | |
522 | ns += ts->tv_nsec; | |
523 | ||
524 | bytes *= 1000000000; | |
525 | ||
526 | while (ns > UINT_MAX) { | |
527 | bytes >>= 1; | |
528 | ns >>= 1; | |
529 | } | |
530 | ||
531 | if (!ns) | |
532 | return 0; | |
533 | ||
534 | do_div(bytes, (uint32_t)ns); | |
535 | ||
536 | return bytes; | |
537 | } | |
538 | ||
3183aa15 AS |
539 | /* |
540 | * Save transfer results for future usage | |
541 | */ | |
542 | static void mmc_test_save_transfer_result(struct mmc_test_card *test, | |
543 | unsigned int count, unsigned int sectors, struct timespec ts, | |
b6056d12 | 544 | unsigned int rate, unsigned int iops) |
3183aa15 AS |
545 | { |
546 | struct mmc_test_transfer_result *tr; | |
547 | ||
548 | if (!test->gr) | |
549 | return; | |
550 | ||
551 | tr = kmalloc(sizeof(struct mmc_test_transfer_result), GFP_KERNEL); | |
552 | if (!tr) | |
553 | return; | |
554 | ||
555 | tr->count = count; | |
556 | tr->sectors = sectors; | |
557 | tr->ts = ts; | |
558 | tr->rate = rate; | |
b6056d12 | 559 | tr->iops = iops; |
3183aa15 AS |
560 | |
561 | list_add_tail(&tr->link, &test->gr->tr_lst); | |
562 | } | |
563 | ||
64f7120d AH |
564 | /* |
565 | * Print the transfer rate. | |
566 | */ | |
567 | static void mmc_test_print_rate(struct mmc_test_card *test, uint64_t bytes, | |
568 | struct timespec *ts1, struct timespec *ts2) | |
569 | { | |
b6056d12 | 570 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
571 | struct timespec ts; |
572 | ||
573 | ts = timespec_sub(*ts2, *ts1); | |
574 | ||
575 | rate = mmc_test_rate(bytes, &ts); | |
b6056d12 | 576 | iops = mmc_test_rate(100, &ts); /* I/O ops per sec x 100 */ |
64f7120d | 577 | |
a3c76eb9 | 578 | pr_info("%s: Transfer of %u sectors (%u%s KiB) took %lu.%09lu " |
b6056d12 | 579 | "seconds (%u kB/s, %u KiB/s, %u.%02u IOPS)\n", |
64f7120d | 580 | mmc_hostname(test->card->host), sectors, sectors >> 1, |
c27d37ae | 581 | (sectors & 1 ? ".5" : ""), (unsigned long)ts.tv_sec, |
b6056d12 AH |
582 | (unsigned long)ts.tv_nsec, rate / 1000, rate / 1024, |
583 | iops / 100, iops % 100); | |
3183aa15 | 584 | |
b6056d12 | 585 | mmc_test_save_transfer_result(test, 1, sectors, ts, rate, iops); |
64f7120d AH |
586 | } |
587 | ||
588 | /* | |
589 | * Print the average transfer rate. | |
590 | */ | |
591 | static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, | |
592 | unsigned int count, struct timespec *ts1, | |
593 | struct timespec *ts2) | |
594 | { | |
b6056d12 | 595 | unsigned int rate, iops, sectors = bytes >> 9; |
64f7120d AH |
596 | uint64_t tot = bytes * count; |
597 | struct timespec ts; | |
598 | ||
599 | ts = timespec_sub(*ts2, *ts1); | |
600 | ||
601 | rate = mmc_test_rate(tot, &ts); | |
b6056d12 | 602 | iops = mmc_test_rate(count * 100, &ts); /* I/O ops per sec x 100 */ |
64f7120d | 603 | |
a3c76eb9 | 604 | pr_info("%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " |
b6056d12 | 605 | "%lu.%09lu seconds (%u kB/s, %u KiB/s, " |
bf043330 | 606 | "%u.%02u IOPS, sg_len %d)\n", |
64f7120d | 607 | mmc_hostname(test->card->host), count, sectors, count, |
c27d37ae | 608 | sectors >> 1, (sectors & 1 ? ".5" : ""), |
64f7120d | 609 | (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, |
bf043330 PF |
610 | rate / 1000, rate / 1024, iops / 100, iops % 100, |
611 | test->area.sg_len); | |
3183aa15 | 612 | |
b6056d12 | 613 | mmc_test_save_transfer_result(test, count, sectors, ts, rate, iops); |
64f7120d AH |
614 | } |
615 | ||
616 | /* | |
617 | * Return the card size in sectors. | |
618 | */ | |
619 | static unsigned int mmc_test_capacity(struct mmc_card *card) | |
620 | { | |
621 | if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) | |
622 | return card->ext_csd.sectors; | |
623 | else | |
624 | return card->csd.capacity << (card->csd.read_blkbits - 9); | |
625 | } | |
626 | ||
6b174931 PO |
627 | /*******************************************************************/ |
628 | /* Test preparation and cleanup */ | |
629 | /*******************************************************************/ | |
630 | ||
631 | /* | |
632 | * Fill the first couple of sectors of the card with known data | |
633 | * so that bad reads/writes can be detected | |
634 | */ | |
635 | static int __mmc_test_prepare(struct mmc_test_card *test, int write) | |
88ae600d PO |
636 | { |
637 | int ret, i; | |
638 | ||
639 | ret = mmc_test_set_blksize(test, 512); | |
640 | if (ret) | |
641 | return ret; | |
642 | ||
643 | if (write) | |
6b174931 | 644 | memset(test->buffer, 0xDF, 512); |
88ae600d | 645 | else { |
6b174931 | 646 | for (i = 0;i < 512;i++) |
88ae600d PO |
647 | test->buffer[i] = i; |
648 | } | |
649 | ||
650 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 651 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
88ae600d PO |
652 | if (ret) |
653 | return ret; | |
654 | } | |
655 | ||
656 | return 0; | |
657 | } | |
658 | ||
6b174931 PO |
659 | static int mmc_test_prepare_write(struct mmc_test_card *test) |
660 | { | |
661 | return __mmc_test_prepare(test, 1); | |
662 | } | |
663 | ||
664 | static int mmc_test_prepare_read(struct mmc_test_card *test) | |
665 | { | |
666 | return __mmc_test_prepare(test, 0); | |
667 | } | |
668 | ||
669 | static int mmc_test_cleanup(struct mmc_test_card *test) | |
670 | { | |
671 | int ret, i; | |
672 | ||
673 | ret = mmc_test_set_blksize(test, 512); | |
674 | if (ret) | |
675 | return ret; | |
676 | ||
677 | memset(test->buffer, 0, 512); | |
678 | ||
679 | for (i = 0;i < BUFFER_SIZE / 512;i++) { | |
c286d03c | 680 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
6b174931 PO |
681 | if (ret) |
682 | return ret; | |
683 | } | |
684 | ||
685 | return 0; | |
686 | } | |
687 | ||
688 | /*******************************************************************/ | |
689 | /* Test execution helpers */ | |
690 | /*******************************************************************/ | |
691 | ||
692 | /* | |
693 | * Modifies the mmc_request to perform the "short transfer" tests | |
694 | */ | |
695 | static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, | |
696 | struct mmc_request *mrq, int write) | |
697 | { | |
f28ef561 SL |
698 | if (WARN_ON(!mrq || !mrq->cmd || !mrq->data)) |
699 | return; | |
6b174931 PO |
700 | |
701 | if (mrq->data->blocks > 1) { | |
702 | mrq->cmd->opcode = write ? | |
703 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; | |
704 | mrq->stop = NULL; | |
705 | } else { | |
706 | mrq->cmd->opcode = MMC_SEND_STATUS; | |
707 | mrq->cmd->arg = test->card->rca << 16; | |
708 | } | |
709 | } | |
710 | ||
711 | /* | |
712 | * Checks that a normal transfer didn't have any errors | |
713 | */ | |
714 | static int mmc_test_check_result(struct mmc_test_card *test, | |
9f9c4180 | 715 | struct mmc_request *mrq) |
88ae600d | 716 | { |
6b174931 PO |
717 | int ret; |
718 | ||
f28ef561 SL |
719 | if (WARN_ON(!mrq || !mrq->cmd || !mrq->data)) |
720 | return -EINVAL; | |
6b174931 PO |
721 | |
722 | ret = 0; | |
723 | ||
4bbb9aac AH |
724 | if (mrq->sbc && mrq->sbc->error) |
725 | ret = mrq->sbc->error; | |
6b174931 PO |
726 | if (!ret && mrq->cmd->error) |
727 | ret = mrq->cmd->error; | |
728 | if (!ret && mrq->data->error) | |
729 | ret = mrq->data->error; | |
730 | if (!ret && mrq->stop && mrq->stop->error) | |
731 | ret = mrq->stop->error; | |
732 | if (!ret && mrq->data->bytes_xfered != | |
733 | mrq->data->blocks * mrq->data->blksz) | |
734 | ret = RESULT_FAIL; | |
735 | ||
736 | if (ret == -EINVAL) | |
737 | ret = RESULT_UNSUP_HOST; | |
738 | ||
739 | return ret; | |
88ae600d PO |
740 | } |
741 | ||
8e8b3f51 | 742 | static enum mmc_blk_status mmc_test_check_result_async(struct mmc_card *card, |
9f9c4180 PF |
743 | struct mmc_async_req *areq) |
744 | { | |
745 | struct mmc_test_async_req *test_async = | |
746 | container_of(areq, struct mmc_test_async_req, areq); | |
8e8b3f51 | 747 | int ret; |
9f9c4180 PF |
748 | |
749 | mmc_test_wait_busy(test_async->test); | |
750 | ||
8e8b3f51 LW |
751 | /* |
752 | * FIXME: this would earlier just casts a regular error code, | |
753 | * either of the kernel type -ERRORCODE or the local test framework | |
754 | * RESULT_* errorcode, into an enum mmc_blk_status and return as | |
755 | * result check. Instead, convert it to some reasonable type by just | |
756 | * returning either MMC_BLK_SUCCESS or MMC_BLK_CMD_ERR. | |
757 | * If possible, a reasonable error code should be returned. | |
758 | */ | |
759 | ret = mmc_test_check_result(test_async->test, areq->mrq); | |
760 | if (ret) | |
761 | return MMC_BLK_CMD_ERR; | |
762 | ||
763 | return MMC_BLK_SUCCESS; | |
9f9c4180 PF |
764 | } |
765 | ||
6b174931 PO |
766 | /* |
767 | * Checks that a "short transfer" behaved as expected | |
768 | */ | |
769 | static int mmc_test_check_broken_result(struct mmc_test_card *test, | |
770 | struct mmc_request *mrq) | |
88ae600d | 771 | { |
6b174931 PO |
772 | int ret; |
773 | ||
f28ef561 SL |
774 | if (WARN_ON(!mrq || !mrq->cmd || !mrq->data)) |
775 | return -EINVAL; | |
6b174931 PO |
776 | |
777 | ret = 0; | |
778 | ||
779 | if (!ret && mrq->cmd->error) | |
780 | ret = mrq->cmd->error; | |
781 | if (!ret && mrq->data->error == 0) | |
782 | ret = RESULT_FAIL; | |
783 | if (!ret && mrq->data->error != -ETIMEDOUT) | |
784 | ret = mrq->data->error; | |
785 | if (!ret && mrq->stop && mrq->stop->error) | |
786 | ret = mrq->stop->error; | |
787 | if (mrq->data->blocks > 1) { | |
788 | if (!ret && mrq->data->bytes_xfered > mrq->data->blksz) | |
789 | ret = RESULT_FAIL; | |
790 | } else { | |
791 | if (!ret && mrq->data->bytes_xfered > 0) | |
792 | ret = RESULT_FAIL; | |
793 | } | |
794 | ||
795 | if (ret == -EINVAL) | |
796 | ret = RESULT_UNSUP_HOST; | |
797 | ||
798 | return ret; | |
88ae600d PO |
799 | } |
800 | ||
9f9c4180 PF |
801 | /* |
802 | * Tests nonblock transfer with certain parameters | |
803 | */ | |
804 | static void mmc_test_nonblock_reset(struct mmc_request *mrq, | |
805 | struct mmc_command *cmd, | |
806 | struct mmc_command *stop, | |
807 | struct mmc_data *data) | |
808 | { | |
809 | memset(mrq, 0, sizeof(struct mmc_request)); | |
810 | memset(cmd, 0, sizeof(struct mmc_command)); | |
811 | memset(data, 0, sizeof(struct mmc_data)); | |
812 | memset(stop, 0, sizeof(struct mmc_command)); | |
813 | ||
814 | mrq->cmd = cmd; | |
815 | mrq->data = data; | |
816 | mrq->stop = stop; | |
817 | } | |
818 | static int mmc_test_nonblock_transfer(struct mmc_test_card *test, | |
819 | struct scatterlist *sg, unsigned sg_len, | |
820 | unsigned dev_addr, unsigned blocks, | |
821 | unsigned blksz, int write, int count) | |
822 | { | |
823 | struct mmc_request mrq1; | |
824 | struct mmc_command cmd1; | |
825 | struct mmc_command stop1; | |
826 | struct mmc_data data1; | |
827 | ||
828 | struct mmc_request mrq2; | |
829 | struct mmc_command cmd2; | |
830 | struct mmc_command stop2; | |
831 | struct mmc_data data2; | |
832 | ||
833 | struct mmc_test_async_req test_areq[2]; | |
834 | struct mmc_async_req *done_areq; | |
835 | struct mmc_async_req *cur_areq = &test_areq[0].areq; | |
836 | struct mmc_async_req *other_areq = &test_areq[1].areq; | |
8e8b3f51 | 837 | enum mmc_blk_status status; |
9f9c4180 | 838 | int i; |
16652a93 | 839 | int ret = RESULT_OK; |
9f9c4180 PF |
840 | |
841 | test_areq[0].test = test; | |
842 | test_areq[1].test = test; | |
843 | ||
844 | mmc_test_nonblock_reset(&mrq1, &cmd1, &stop1, &data1); | |
845 | mmc_test_nonblock_reset(&mrq2, &cmd2, &stop2, &data2); | |
846 | ||
847 | cur_areq->mrq = &mrq1; | |
848 | cur_areq->err_check = mmc_test_check_result_async; | |
849 | other_areq->mrq = &mrq2; | |
850 | other_areq->err_check = mmc_test_check_result_async; | |
851 | ||
852 | for (i = 0; i < count; i++) { | |
853 | mmc_test_prepare_mrq(test, cur_areq->mrq, sg, sg_len, dev_addr, | |
854 | blocks, blksz, write); | |
8e8b3f51 | 855 | done_areq = mmc_start_req(test->card->host, cur_areq, &status); |
9f9c4180 | 856 | |
8e8b3f51 LW |
857 | if (status != MMC_BLK_SUCCESS || (!done_areq && i > 0)) { |
858 | ret = RESULT_FAIL; | |
9f9c4180 | 859 | goto err; |
8e8b3f51 | 860 | } |
9f9c4180 PF |
861 | |
862 | if (done_areq) { | |
863 | if (done_areq->mrq == &mrq2) | |
864 | mmc_test_nonblock_reset(&mrq2, &cmd2, | |
865 | &stop2, &data2); | |
866 | else | |
867 | mmc_test_nonblock_reset(&mrq1, &cmd1, | |
868 | &stop1, &data1); | |
869 | } | |
75fda77b | 870 | swap(cur_areq, other_areq); |
9f9c4180 PF |
871 | dev_addr += blocks; |
872 | } | |
873 | ||
8e8b3f51 LW |
874 | done_areq = mmc_start_req(test->card->host, NULL, &status); |
875 | if (status != MMC_BLK_SUCCESS) | |
876 | ret = RESULT_FAIL; | |
9f9c4180 PF |
877 | |
878 | return ret; | |
879 | err: | |
880 | return ret; | |
881 | } | |
882 | ||
6b174931 PO |
883 | /* |
884 | * Tests a basic transfer with certain parameters | |
885 | */ | |
886 | static int mmc_test_simple_transfer(struct mmc_test_card *test, | |
887 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
888 | unsigned blocks, unsigned blksz, int write) | |
88ae600d | 889 | { |
24f5b53b | 890 | struct mmc_request mrq = {0}; |
1278dba1 CB |
891 | struct mmc_command cmd = {0}; |
892 | struct mmc_command stop = {0}; | |
a61ad2b4 | 893 | struct mmc_data data = {0}; |
88ae600d | 894 | |
6b174931 PO |
895 | mrq.cmd = &cmd; |
896 | mrq.data = &data; | |
897 | mrq.stop = &stop; | |
898 | ||
899 | mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr, | |
900 | blocks, blksz, write); | |
901 | ||
902 | mmc_wait_for_req(test->card->host, &mrq); | |
88ae600d | 903 | |
6b174931 PO |
904 | mmc_test_wait_busy(test); |
905 | ||
906 | return mmc_test_check_result(test, &mrq); | |
907 | } | |
908 | ||
909 | /* | |
910 | * Tests a transfer where the card will fail completely or partly | |
911 | */ | |
912 | static int mmc_test_broken_transfer(struct mmc_test_card *test, | |
913 | unsigned blocks, unsigned blksz, int write) | |
914 | { | |
24f5b53b | 915 | struct mmc_request mrq = {0}; |
1278dba1 CB |
916 | struct mmc_command cmd = {0}; |
917 | struct mmc_command stop = {0}; | |
a61ad2b4 | 918 | struct mmc_data data = {0}; |
6b174931 PO |
919 | |
920 | struct scatterlist sg; | |
921 | ||
6b174931 PO |
922 | mrq.cmd = &cmd; |
923 | mrq.data = &data; | |
924 | mrq.stop = &stop; | |
925 | ||
926 | sg_init_one(&sg, test->buffer, blocks * blksz); | |
927 | ||
928 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write); | |
929 | mmc_test_prepare_broken_mrq(test, &mrq, write); | |
930 | ||
931 | mmc_wait_for_req(test->card->host, &mrq); | |
932 | ||
933 | mmc_test_wait_busy(test); | |
934 | ||
935 | return mmc_test_check_broken_result(test, &mrq); | |
936 | } | |
937 | ||
938 | /* | |
939 | * Does a complete transfer test where data is also validated | |
940 | * | |
941 | * Note: mmc_test_prepare() must have been done before this call | |
942 | */ | |
943 | static int mmc_test_transfer(struct mmc_test_card *test, | |
944 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, | |
945 | unsigned blocks, unsigned blksz, int write) | |
946 | { | |
947 | int ret, i; | |
948 | unsigned long flags; | |
88ae600d PO |
949 | |
950 | if (write) { | |
951 | for (i = 0;i < blocks * blksz;i++) | |
6b174931 PO |
952 | test->scratch[i] = i; |
953 | } else { | |
b7ac2cf1 | 954 | memset(test->scratch, 0, BUFFER_SIZE); |
88ae600d | 955 | } |
6b174931 | 956 | local_irq_save(flags); |
b7ac2cf1 | 957 | sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 958 | local_irq_restore(flags); |
88ae600d PO |
959 | |
960 | ret = mmc_test_set_blksize(test, blksz); | |
961 | if (ret) | |
962 | return ret; | |
963 | ||
6b174931 PO |
964 | ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr, |
965 | blocks, blksz, write); | |
88ae600d PO |
966 | if (ret) |
967 | return ret; | |
968 | ||
969 | if (write) { | |
6b174931 PO |
970 | int sectors; |
971 | ||
88ae600d PO |
972 | ret = mmc_test_set_blksize(test, 512); |
973 | if (ret) | |
974 | return ret; | |
975 | ||
976 | sectors = (blocks * blksz + 511) / 512; | |
977 | if ((sectors * 512) == (blocks * blksz)) | |
978 | sectors++; | |
979 | ||
980 | if ((sectors * 512) > BUFFER_SIZE) | |
981 | return -EINVAL; | |
982 | ||
983 | memset(test->buffer, 0, sectors * 512); | |
984 | ||
985 | for (i = 0;i < sectors;i++) { | |
6b174931 | 986 | ret = mmc_test_buffer_transfer(test, |
88ae600d | 987 | test->buffer + i * 512, |
c286d03c | 988 | dev_addr + i, 512, 0); |
88ae600d PO |
989 | if (ret) |
990 | return ret; | |
991 | } | |
992 | ||
993 | for (i = 0;i < blocks * blksz;i++) { | |
994 | if (test->buffer[i] != (u8)i) | |
995 | return RESULT_FAIL; | |
996 | } | |
997 | ||
998 | for (;i < sectors * 512;i++) { | |
999 | if (test->buffer[i] != 0xDF) | |
1000 | return RESULT_FAIL; | |
1001 | } | |
1002 | } else { | |
6b174931 | 1003 | local_irq_save(flags); |
b7ac2cf1 | 1004 | sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
6b174931 | 1005 | local_irq_restore(flags); |
88ae600d | 1006 | for (i = 0;i < blocks * blksz;i++) { |
6b174931 | 1007 | if (test->scratch[i] != (u8)i) |
88ae600d PO |
1008 | return RESULT_FAIL; |
1009 | } | |
1010 | } | |
1011 | ||
1012 | return 0; | |
1013 | } | |
1014 | ||
88ae600d PO |
1015 | /*******************************************************************/ |
1016 | /* Tests */ | |
1017 | /*******************************************************************/ | |
1018 | ||
1019 | struct mmc_test_case { | |
1020 | const char *name; | |
1021 | ||
1022 | int (*prepare)(struct mmc_test_card *); | |
1023 | int (*run)(struct mmc_test_card *); | |
1024 | int (*cleanup)(struct mmc_test_card *); | |
1025 | }; | |
1026 | ||
1027 | static int mmc_test_basic_write(struct mmc_test_card *test) | |
1028 | { | |
1029 | int ret; | |
6b174931 | 1030 | struct scatterlist sg; |
88ae600d PO |
1031 | |
1032 | ret = mmc_test_set_blksize(test, 512); | |
1033 | if (ret) | |
1034 | return ret; | |
1035 | ||
6b174931 PO |
1036 | sg_init_one(&sg, test->buffer, 512); |
1037 | ||
30a9b9e1 | 1038 | return mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1); |
88ae600d PO |
1039 | } |
1040 | ||
1041 | static int mmc_test_basic_read(struct mmc_test_card *test) | |
1042 | { | |
1043 | int ret; | |
6b174931 | 1044 | struct scatterlist sg; |
88ae600d PO |
1045 | |
1046 | ret = mmc_test_set_blksize(test, 512); | |
1047 | if (ret) | |
1048 | return ret; | |
1049 | ||
6b174931 PO |
1050 | sg_init_one(&sg, test->buffer, 512); |
1051 | ||
30a9b9e1 | 1052 | return mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
1053 | } |
1054 | ||
1055 | static int mmc_test_verify_write(struct mmc_test_card *test) | |
1056 | { | |
6b174931 PO |
1057 | struct scatterlist sg; |
1058 | ||
1059 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 1060 | |
30a9b9e1 | 1061 | return mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
88ae600d PO |
1062 | } |
1063 | ||
1064 | static int mmc_test_verify_read(struct mmc_test_card *test) | |
1065 | { | |
6b174931 PO |
1066 | struct scatterlist sg; |
1067 | ||
1068 | sg_init_one(&sg, test->buffer, 512); | |
88ae600d | 1069 | |
30a9b9e1 | 1070 | return mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
88ae600d PO |
1071 | } |
1072 | ||
1073 | static int mmc_test_multi_write(struct mmc_test_card *test) | |
1074 | { | |
88ae600d | 1075 | unsigned int size; |
6b174931 | 1076 | struct scatterlist sg; |
88ae600d PO |
1077 | |
1078 | if (test->card->host->max_blk_count == 1) | |
1079 | return RESULT_UNSUP_HOST; | |
1080 | ||
1081 | size = PAGE_SIZE * 2; | |
1082 | size = min(size, test->card->host->max_req_size); | |
1083 | size = min(size, test->card->host->max_seg_size); | |
1084 | size = min(size, test->card->host->max_blk_count * 512); | |
1085 | ||
1086 | if (size < 1024) | |
1087 | return RESULT_UNSUP_HOST; | |
1088 | ||
6b174931 PO |
1089 | sg_init_one(&sg, test->buffer, size); |
1090 | ||
30a9b9e1 | 1091 | return mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); |
88ae600d PO |
1092 | } |
1093 | ||
1094 | static int mmc_test_multi_read(struct mmc_test_card *test) | |
1095 | { | |
88ae600d | 1096 | unsigned int size; |
6b174931 | 1097 | struct scatterlist sg; |
88ae600d PO |
1098 | |
1099 | if (test->card->host->max_blk_count == 1) | |
1100 | return RESULT_UNSUP_HOST; | |
1101 | ||
1102 | size = PAGE_SIZE * 2; | |
1103 | size = min(size, test->card->host->max_req_size); | |
1104 | size = min(size, test->card->host->max_seg_size); | |
1105 | size = min(size, test->card->host->max_blk_count * 512); | |
1106 | ||
1107 | if (size < 1024) | |
1108 | return RESULT_UNSUP_HOST; | |
1109 | ||
6b174931 PO |
1110 | sg_init_one(&sg, test->buffer, size); |
1111 | ||
30a9b9e1 | 1112 | return mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); |
88ae600d PO |
1113 | } |
1114 | ||
1115 | static int mmc_test_pow2_write(struct mmc_test_card *test) | |
1116 | { | |
1117 | int ret, i; | |
6b174931 | 1118 | struct scatterlist sg; |
88ae600d PO |
1119 | |
1120 | if (!test->card->csd.write_partial) | |
1121 | return RESULT_UNSUP_CARD; | |
1122 | ||
1123 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1124 | sg_init_one(&sg, test->buffer, i); |
1125 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1126 | if (ret) |
1127 | return ret; | |
1128 | } | |
1129 | ||
1130 | return 0; | |
1131 | } | |
1132 | ||
1133 | static int mmc_test_pow2_read(struct mmc_test_card *test) | |
1134 | { | |
1135 | int ret, i; | |
6b174931 | 1136 | struct scatterlist sg; |
88ae600d PO |
1137 | |
1138 | if (!test->card->csd.read_partial) | |
1139 | return RESULT_UNSUP_CARD; | |
1140 | ||
1141 | for (i = 1; i < 512;i <<= 1) { | |
6b174931 PO |
1142 | sg_init_one(&sg, test->buffer, i); |
1143 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1144 | if (ret) |
1145 | return ret; | |
1146 | } | |
1147 | ||
1148 | return 0; | |
1149 | } | |
1150 | ||
1151 | static int mmc_test_weird_write(struct mmc_test_card *test) | |
1152 | { | |
1153 | int ret, i; | |
6b174931 | 1154 | struct scatterlist sg; |
88ae600d PO |
1155 | |
1156 | if (!test->card->csd.write_partial) | |
1157 | return RESULT_UNSUP_CARD; | |
1158 | ||
1159 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1160 | sg_init_one(&sg, test->buffer, i); |
1161 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); | |
88ae600d PO |
1162 | if (ret) |
1163 | return ret; | |
1164 | } | |
1165 | ||
1166 | return 0; | |
1167 | } | |
1168 | ||
1169 | static int mmc_test_weird_read(struct mmc_test_card *test) | |
1170 | { | |
1171 | int ret, i; | |
6b174931 | 1172 | struct scatterlist sg; |
88ae600d PO |
1173 | |
1174 | if (!test->card->csd.read_partial) | |
1175 | return RESULT_UNSUP_CARD; | |
1176 | ||
1177 | for (i = 3; i < 512;i += 7) { | |
6b174931 PO |
1178 | sg_init_one(&sg, test->buffer, i); |
1179 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); | |
88ae600d PO |
1180 | if (ret) |
1181 | return ret; | |
1182 | } | |
1183 | ||
1184 | return 0; | |
1185 | } | |
1186 | ||
1187 | static int mmc_test_align_write(struct mmc_test_card *test) | |
1188 | { | |
1189 | int ret, i; | |
6b174931 | 1190 | struct scatterlist sg; |
88ae600d | 1191 | |
3ee14bf7 | 1192 | for (i = 1; i < TEST_ALIGN_END; i++) { |
6b174931 PO |
1193 | sg_init_one(&sg, test->buffer + i, 512); |
1194 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); | |
88ae600d PO |
1195 | if (ret) |
1196 | return ret; | |
1197 | } | |
1198 | ||
1199 | return 0; | |
1200 | } | |
1201 | ||
1202 | static int mmc_test_align_read(struct mmc_test_card *test) | |
1203 | { | |
1204 | int ret, i; | |
6b174931 | 1205 | struct scatterlist sg; |
88ae600d | 1206 | |
3ee14bf7 | 1207 | for (i = 1; i < TEST_ALIGN_END; i++) { |
6b174931 PO |
1208 | sg_init_one(&sg, test->buffer + i, 512); |
1209 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); | |
88ae600d PO |
1210 | if (ret) |
1211 | return ret; | |
1212 | } | |
1213 | ||
1214 | return 0; | |
1215 | } | |
1216 | ||
1217 | static int mmc_test_align_multi_write(struct mmc_test_card *test) | |
1218 | { | |
1219 | int ret, i; | |
1220 | unsigned int size; | |
6b174931 | 1221 | struct scatterlist sg; |
88ae600d PO |
1222 | |
1223 | if (test->card->host->max_blk_count == 1) | |
1224 | return RESULT_UNSUP_HOST; | |
1225 | ||
1226 | size = PAGE_SIZE * 2; | |
1227 | size = min(size, test->card->host->max_req_size); | |
1228 | size = min(size, test->card->host->max_seg_size); | |
1229 | size = min(size, test->card->host->max_blk_count * 512); | |
1230 | ||
1231 | if (size < 1024) | |
1232 | return RESULT_UNSUP_HOST; | |
1233 | ||
3ee14bf7 | 1234 | for (i = 1; i < TEST_ALIGN_END; i++) { |
6b174931 PO |
1235 | sg_init_one(&sg, test->buffer + i, size); |
1236 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); | |
88ae600d PO |
1237 | if (ret) |
1238 | return ret; | |
1239 | } | |
1240 | ||
1241 | return 0; | |
1242 | } | |
1243 | ||
1244 | static int mmc_test_align_multi_read(struct mmc_test_card *test) | |
1245 | { | |
1246 | int ret, i; | |
1247 | unsigned int size; | |
6b174931 | 1248 | struct scatterlist sg; |
88ae600d PO |
1249 | |
1250 | if (test->card->host->max_blk_count == 1) | |
1251 | return RESULT_UNSUP_HOST; | |
1252 | ||
1253 | size = PAGE_SIZE * 2; | |
1254 | size = min(size, test->card->host->max_req_size); | |
1255 | size = min(size, test->card->host->max_seg_size); | |
1256 | size = min(size, test->card->host->max_blk_count * 512); | |
1257 | ||
1258 | if (size < 1024) | |
1259 | return RESULT_UNSUP_HOST; | |
1260 | ||
3ee14bf7 | 1261 | for (i = 1; i < TEST_ALIGN_END; i++) { |
6b174931 PO |
1262 | sg_init_one(&sg, test->buffer + i, size); |
1263 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); | |
88ae600d PO |
1264 | if (ret) |
1265 | return ret; | |
1266 | } | |
1267 | ||
1268 | return 0; | |
1269 | } | |
1270 | ||
1271 | static int mmc_test_xfersize_write(struct mmc_test_card *test) | |
1272 | { | |
1273 | int ret; | |
1274 | ||
1275 | ret = mmc_test_set_blksize(test, 512); | |
1276 | if (ret) | |
1277 | return ret; | |
1278 | ||
30a9b9e1 | 1279 | return mmc_test_broken_transfer(test, 1, 512, 1); |
88ae600d PO |
1280 | } |
1281 | ||
1282 | static int mmc_test_xfersize_read(struct mmc_test_card *test) | |
1283 | { | |
1284 | int ret; | |
1285 | ||
1286 | ret = mmc_test_set_blksize(test, 512); | |
1287 | if (ret) | |
1288 | return ret; | |
1289 | ||
30a9b9e1 | 1290 | return mmc_test_broken_transfer(test, 1, 512, 0); |
88ae600d PO |
1291 | } |
1292 | ||
1293 | static int mmc_test_multi_xfersize_write(struct mmc_test_card *test) | |
1294 | { | |
1295 | int ret; | |
1296 | ||
1297 | if (test->card->host->max_blk_count == 1) | |
1298 | return RESULT_UNSUP_HOST; | |
1299 | ||
1300 | ret = mmc_test_set_blksize(test, 512); | |
1301 | if (ret) | |
1302 | return ret; | |
1303 | ||
30a9b9e1 | 1304 | return mmc_test_broken_transfer(test, 2, 512, 1); |
88ae600d PO |
1305 | } |
1306 | ||
1307 | static int mmc_test_multi_xfersize_read(struct mmc_test_card *test) | |
1308 | { | |
1309 | int ret; | |
1310 | ||
1311 | if (test->card->host->max_blk_count == 1) | |
1312 | return RESULT_UNSUP_HOST; | |
1313 | ||
1314 | ret = mmc_test_set_blksize(test, 512); | |
1315 | if (ret) | |
1316 | return ret; | |
1317 | ||
30a9b9e1 | 1318 | return mmc_test_broken_transfer(test, 2, 512, 0); |
88ae600d PO |
1319 | } |
1320 | ||
2661081f PO |
1321 | #ifdef CONFIG_HIGHMEM |
1322 | ||
1323 | static int mmc_test_write_high(struct mmc_test_card *test) | |
1324 | { | |
2661081f PO |
1325 | struct scatterlist sg; |
1326 | ||
1327 | sg_init_table(&sg, 1); | |
1328 | sg_set_page(&sg, test->highmem, 512, 0); | |
1329 | ||
30a9b9e1 | 1330 | return mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
2661081f PO |
1331 | } |
1332 | ||
1333 | static int mmc_test_read_high(struct mmc_test_card *test) | |
1334 | { | |
2661081f PO |
1335 | struct scatterlist sg; |
1336 | ||
1337 | sg_init_table(&sg, 1); | |
1338 | sg_set_page(&sg, test->highmem, 512, 0); | |
1339 | ||
30a9b9e1 | 1340 | return mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
2661081f PO |
1341 | } |
1342 | ||
1343 | static int mmc_test_multi_write_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, 1); |
2661081f PO |
1363 | } |
1364 | ||
1365 | static int mmc_test_multi_read_high(struct mmc_test_card *test) | |
1366 | { | |
2661081f PO |
1367 | unsigned int size; |
1368 | struct scatterlist sg; | |
1369 | ||
1370 | if (test->card->host->max_blk_count == 1) | |
1371 | return RESULT_UNSUP_HOST; | |
1372 | ||
1373 | size = PAGE_SIZE * 2; | |
1374 | size = min(size, test->card->host->max_req_size); | |
1375 | size = min(size, test->card->host->max_seg_size); | |
1376 | size = min(size, test->card->host->max_blk_count * 512); | |
1377 | ||
1378 | if (size < 1024) | |
1379 | return RESULT_UNSUP_HOST; | |
1380 | ||
1381 | sg_init_table(&sg, 1); | |
1382 | sg_set_page(&sg, test->highmem, size, 0); | |
1383 | ||
30a9b9e1 | 1384 | return mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); |
2661081f PO |
1385 | } |
1386 | ||
64f7120d AH |
1387 | #else |
1388 | ||
1389 | static int mmc_test_no_highmem(struct mmc_test_card *test) | |
1390 | { | |
a3c76eb9 | 1391 | pr_info("%s: Highmem not configured - test skipped\n", |
64f7120d AH |
1392 | mmc_hostname(test->card->host)); |
1393 | return 0; | |
1394 | } | |
1395 | ||
2661081f PO |
1396 | #endif /* CONFIG_HIGHMEM */ |
1397 | ||
64f7120d AH |
1398 | /* |
1399 | * Map sz bytes so that it can be transferred. | |
1400 | */ | |
fec4dcce | 1401 | static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, |
bf043330 | 1402 | int max_scatter, int min_sg_len) |
64f7120d AH |
1403 | { |
1404 | struct mmc_test_area *t = &test->area; | |
c8c8c1bd | 1405 | int err; |
64f7120d AH |
1406 | |
1407 | t->blocks = sz >> 9; | |
1408 | ||
1409 | if (max_scatter) { | |
c8c8c1bd AH |
1410 | err = mmc_test_map_sg_max_scatter(t->mem, sz, t->sg, |
1411 | t->max_segs, t->max_seg_sz, | |
64f7120d | 1412 | &t->sg_len); |
c8c8c1bd AH |
1413 | } else { |
1414 | err = mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, | |
bf043330 | 1415 | t->max_seg_sz, &t->sg_len, min_sg_len); |
64f7120d | 1416 | } |
c8c8c1bd | 1417 | if (err) |
a3c76eb9 | 1418 | pr_info("%s: Failed to map sg list\n", |
c8c8c1bd AH |
1419 | mmc_hostname(test->card->host)); |
1420 | return err; | |
64f7120d AH |
1421 | } |
1422 | ||
1423 | /* | |
1424 | * Transfer bytes mapped by mmc_test_area_map(). | |
1425 | */ | |
1426 | static int mmc_test_area_transfer(struct mmc_test_card *test, | |
1427 | unsigned int dev_addr, int write) | |
1428 | { | |
1429 | struct mmc_test_area *t = &test->area; | |
1430 | ||
1431 | return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr, | |
1432 | t->blocks, 512, write); | |
1433 | } | |
1434 | ||
1435 | /* | |
9f9c4180 | 1436 | * Map and transfer bytes for multiple transfers. |
64f7120d | 1437 | */ |
9f9c4180 PF |
1438 | static int mmc_test_area_io_seq(struct mmc_test_card *test, unsigned long sz, |
1439 | unsigned int dev_addr, int write, | |
1440 | int max_scatter, int timed, int count, | |
bf043330 | 1441 | bool nonblock, int min_sg_len) |
64f7120d AH |
1442 | { |
1443 | struct timespec ts1, ts2; | |
9f9c4180 PF |
1444 | int ret = 0; |
1445 | int i; | |
1446 | struct mmc_test_area *t = &test->area; | |
64f7120d | 1447 | |
c8c8c1bd AH |
1448 | /* |
1449 | * In the case of a maximally scattered transfer, the maximum transfer | |
1450 | * size is further limited by using PAGE_SIZE segments. | |
1451 | */ | |
1452 | if (max_scatter) { | |
1453 | struct mmc_test_area *t = &test->area; | |
1454 | unsigned long max_tfr; | |
1455 | ||
1456 | if (t->max_seg_sz >= PAGE_SIZE) | |
1457 | max_tfr = t->max_segs * PAGE_SIZE; | |
1458 | else | |
1459 | max_tfr = t->max_segs * t->max_seg_sz; | |
1460 | if (sz > max_tfr) | |
1461 | sz = max_tfr; | |
1462 | } | |
1463 | ||
bf043330 | 1464 | ret = mmc_test_area_map(test, sz, max_scatter, min_sg_len); |
64f7120d AH |
1465 | if (ret) |
1466 | return ret; | |
1467 | ||
1468 | if (timed) | |
1469 | getnstimeofday(&ts1); | |
9f9c4180 PF |
1470 | if (nonblock) |
1471 | ret = mmc_test_nonblock_transfer(test, t->sg, t->sg_len, | |
1472 | dev_addr, t->blocks, 512, write, count); | |
1473 | else | |
1474 | for (i = 0; i < count && ret == 0; i++) { | |
1475 | ret = mmc_test_area_transfer(test, dev_addr, write); | |
1476 | dev_addr += sz >> 9; | |
1477 | } | |
64f7120d | 1478 | |
64f7120d AH |
1479 | if (ret) |
1480 | return ret; | |
1481 | ||
1482 | if (timed) | |
1483 | getnstimeofday(&ts2); | |
1484 | ||
1485 | if (timed) | |
9f9c4180 | 1486 | mmc_test_print_avg_rate(test, sz, count, &ts1, &ts2); |
64f7120d AH |
1487 | |
1488 | return 0; | |
1489 | } | |
1490 | ||
9f9c4180 PF |
1491 | static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, |
1492 | unsigned int dev_addr, int write, int max_scatter, | |
1493 | int timed) | |
1494 | { | |
1495 | return mmc_test_area_io_seq(test, sz, dev_addr, write, max_scatter, | |
bf043330 | 1496 | timed, 1, false, 0); |
9f9c4180 PF |
1497 | } |
1498 | ||
64f7120d AH |
1499 | /* |
1500 | * Write the test area entirely. | |
1501 | */ | |
1502 | static int mmc_test_area_fill(struct mmc_test_card *test) | |
1503 | { | |
253d6a28 AS |
1504 | struct mmc_test_area *t = &test->area; |
1505 | ||
1506 | return mmc_test_area_io(test, t->max_tfr, t->dev_addr, 1, 0, 0); | |
64f7120d AH |
1507 | } |
1508 | ||
1509 | /* | |
1510 | * Erase the test area entirely. | |
1511 | */ | |
1512 | static int mmc_test_area_erase(struct mmc_test_card *test) | |
1513 | { | |
1514 | struct mmc_test_area *t = &test->area; | |
1515 | ||
1516 | if (!mmc_can_erase(test->card)) | |
1517 | return 0; | |
1518 | ||
253d6a28 | 1519 | return mmc_erase(test->card, t->dev_addr, t->max_sz >> 9, |
64f7120d AH |
1520 | MMC_ERASE_ARG); |
1521 | } | |
1522 | ||
1523 | /* | |
1524 | * Cleanup struct mmc_test_area. | |
1525 | */ | |
1526 | static int mmc_test_area_cleanup(struct mmc_test_card *test) | |
1527 | { | |
1528 | struct mmc_test_area *t = &test->area; | |
1529 | ||
1530 | kfree(t->sg); | |
1531 | mmc_test_free_mem(t->mem); | |
1532 | ||
1533 | return 0; | |
1534 | } | |
1535 | ||
1536 | /* | |
0532ff63 AH |
1537 | * Initialize an area for testing large transfers. The test area is set to the |
1538 | * middle of the card because cards may have different charateristics at the | |
1539 | * front (for FAT file system optimization). Optionally, the area is erased | |
1540 | * (if the card supports it) which may improve write performance. Optionally, | |
1541 | * the area is filled with data for subsequent read tests. | |
64f7120d AH |
1542 | */ |
1543 | static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill) | |
1544 | { | |
1545 | struct mmc_test_area *t = &test->area; | |
0532ff63 | 1546 | unsigned long min_sz = 64 * 1024, sz; |
64f7120d AH |
1547 | int ret; |
1548 | ||
1549 | ret = mmc_test_set_blksize(test, 512); | |
1550 | if (ret) | |
1551 | return ret; | |
1552 | ||
0532ff63 AH |
1553 | /* Make the test area size about 4MiB */ |
1554 | sz = (unsigned long)test->card->pref_erase << 9; | |
1555 | t->max_sz = sz; | |
1556 | while (t->max_sz < 4 * 1024 * 1024) | |
1557 | t->max_sz += sz; | |
1558 | while (t->max_sz > TEST_AREA_MAX_SIZE && t->max_sz > sz) | |
1559 | t->max_sz -= sz; | |
c8c8c1bd AH |
1560 | |
1561 | t->max_segs = test->card->host->max_segs; | |
1562 | t->max_seg_sz = test->card->host->max_seg_size; | |
739c69c9 | 1563 | t->max_seg_sz -= t->max_seg_sz % 512; |
c8c8c1bd AH |
1564 | |
1565 | t->max_tfr = t->max_sz; | |
1566 | if (t->max_tfr >> 9 > test->card->host->max_blk_count) | |
1567 | t->max_tfr = test->card->host->max_blk_count << 9; | |
1568 | if (t->max_tfr > test->card->host->max_req_size) | |
1569 | t->max_tfr = test->card->host->max_req_size; | |
1570 | if (t->max_tfr / t->max_seg_sz > t->max_segs) | |
1571 | t->max_tfr = t->max_segs * t->max_seg_sz; | |
1572 | ||
64f7120d | 1573 | /* |
3d203be8 | 1574 | * Try to allocate enough memory for a max. sized transfer. Less is OK |
64f7120d | 1575 | * because the same memory can be mapped into the scatterlist more than |
c8c8c1bd AH |
1576 | * once. Also, take into account the limits imposed on scatterlist |
1577 | * segments by the host driver. | |
64f7120d | 1578 | */ |
3d203be8 | 1579 | t->mem = mmc_test_alloc_mem(min_sz, t->max_tfr, t->max_segs, |
c8c8c1bd | 1580 | t->max_seg_sz); |
64f7120d AH |
1581 | if (!t->mem) |
1582 | return -ENOMEM; | |
1583 | ||
64f7120d AH |
1584 | t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL); |
1585 | if (!t->sg) { | |
1586 | ret = -ENOMEM; | |
1587 | goto out_free; | |
1588 | } | |
1589 | ||
1590 | t->dev_addr = mmc_test_capacity(test->card) / 2; | |
1591 | t->dev_addr -= t->dev_addr % (t->max_sz >> 9); | |
1592 | ||
1593 | if (erase) { | |
1594 | ret = mmc_test_area_erase(test); | |
1595 | if (ret) | |
1596 | goto out_free; | |
1597 | } | |
1598 | ||
1599 | if (fill) { | |
1600 | ret = mmc_test_area_fill(test); | |
1601 | if (ret) | |
1602 | goto out_free; | |
1603 | } | |
1604 | ||
1605 | return 0; | |
1606 | ||
1607 | out_free: | |
1608 | mmc_test_area_cleanup(test); | |
1609 | return ret; | |
1610 | } | |
1611 | ||
1612 | /* | |
1613 | * Prepare for large transfers. Do not erase the test area. | |
1614 | */ | |
1615 | static int mmc_test_area_prepare(struct mmc_test_card *test) | |
1616 | { | |
1617 | return mmc_test_area_init(test, 0, 0); | |
1618 | } | |
1619 | ||
1620 | /* | |
1621 | * Prepare for large transfers. Do erase the test area. | |
1622 | */ | |
1623 | static int mmc_test_area_prepare_erase(struct mmc_test_card *test) | |
1624 | { | |
1625 | return mmc_test_area_init(test, 1, 0); | |
1626 | } | |
1627 | ||
1628 | /* | |
1629 | * Prepare for large transfers. Erase and fill the test area. | |
1630 | */ | |
1631 | static int mmc_test_area_prepare_fill(struct mmc_test_card *test) | |
1632 | { | |
1633 | return mmc_test_area_init(test, 1, 1); | |
1634 | } | |
1635 | ||
1636 | /* | |
1637 | * Test best-case performance. Best-case performance is expected from | |
1638 | * a single large transfer. | |
1639 | * | |
1640 | * An additional option (max_scatter) allows the measurement of the same | |
1641 | * transfer but with no contiguous pages in the scatter list. This tests | |
1642 | * the efficiency of DMA to handle scattered pages. | |
1643 | */ | |
1644 | static int mmc_test_best_performance(struct mmc_test_card *test, int write, | |
1645 | int max_scatter) | |
1646 | { | |
253d6a28 AS |
1647 | struct mmc_test_area *t = &test->area; |
1648 | ||
1649 | return mmc_test_area_io(test, t->max_tfr, t->dev_addr, write, | |
1650 | max_scatter, 1); | |
64f7120d AH |
1651 | } |
1652 | ||
1653 | /* | |
1654 | * Best-case read performance. | |
1655 | */ | |
1656 | static int mmc_test_best_read_performance(struct mmc_test_card *test) | |
1657 | { | |
1658 | return mmc_test_best_performance(test, 0, 0); | |
1659 | } | |
1660 | ||
1661 | /* | |
1662 | * Best-case write performance. | |
1663 | */ | |
1664 | static int mmc_test_best_write_performance(struct mmc_test_card *test) | |
1665 | { | |
1666 | return mmc_test_best_performance(test, 1, 0); | |
1667 | } | |
1668 | ||
1669 | /* | |
1670 | * Best-case read performance into scattered pages. | |
1671 | */ | |
1672 | static int mmc_test_best_read_perf_max_scatter(struct mmc_test_card *test) | |
1673 | { | |
1674 | return mmc_test_best_performance(test, 0, 1); | |
1675 | } | |
1676 | ||
1677 | /* | |
1678 | * Best-case write performance from scattered pages. | |
1679 | */ | |
1680 | static int mmc_test_best_write_perf_max_scatter(struct mmc_test_card *test) | |
1681 | { | |
1682 | return mmc_test_best_performance(test, 1, 1); | |
1683 | } | |
1684 | ||
1685 | /* | |
1686 | * Single read performance by transfer size. | |
1687 | */ | |
1688 | static int mmc_test_profile_read_perf(struct mmc_test_card *test) | |
1689 | { | |
253d6a28 | 1690 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1691 | unsigned long sz; |
1692 | unsigned int dev_addr; | |
64f7120d AH |
1693 | int ret; |
1694 | ||
253d6a28 AS |
1695 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
1696 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1697 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
1698 | if (ret) | |
1699 | return ret; | |
1700 | } | |
253d6a28 AS |
1701 | sz = t->max_tfr; |
1702 | dev_addr = t->dev_addr; | |
64f7120d AH |
1703 | return mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
1704 | } | |
1705 | ||
1706 | /* | |
1707 | * Single write performance by transfer size. | |
1708 | */ | |
1709 | static int mmc_test_profile_write_perf(struct mmc_test_card *test) | |
1710 | { | |
253d6a28 | 1711 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1712 | unsigned long sz; |
1713 | unsigned int dev_addr; | |
64f7120d AH |
1714 | int ret; |
1715 | ||
1716 | ret = mmc_test_area_erase(test); | |
1717 | if (ret) | |
1718 | return ret; | |
253d6a28 AS |
1719 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
1720 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1721 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
1722 | if (ret) | |
1723 | return ret; | |
1724 | } | |
1725 | ret = mmc_test_area_erase(test); | |
1726 | if (ret) | |
1727 | return ret; | |
253d6a28 AS |
1728 | sz = t->max_tfr; |
1729 | dev_addr = t->dev_addr; | |
64f7120d AH |
1730 | return mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
1731 | } | |
1732 | ||
1733 | /* | |
1734 | * Single trim performance by transfer size. | |
1735 | */ | |
1736 | static int mmc_test_profile_trim_perf(struct mmc_test_card *test) | |
1737 | { | |
253d6a28 | 1738 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1739 | unsigned long sz; |
1740 | unsigned int dev_addr; | |
64f7120d AH |
1741 | struct timespec ts1, ts2; |
1742 | int ret; | |
1743 | ||
1744 | if (!mmc_can_trim(test->card)) | |
1745 | return RESULT_UNSUP_CARD; | |
1746 | ||
1747 | if (!mmc_can_erase(test->card)) | |
1748 | return RESULT_UNSUP_HOST; | |
1749 | ||
253d6a28 AS |
1750 | for (sz = 512; sz < t->max_sz; sz <<= 1) { |
1751 | dev_addr = t->dev_addr + (sz >> 9); | |
64f7120d AH |
1752 | getnstimeofday(&ts1); |
1753 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1754 | if (ret) | |
1755 | return ret; | |
1756 | getnstimeofday(&ts2); | |
1757 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1758 | } | |
253d6a28 | 1759 | dev_addr = t->dev_addr; |
64f7120d AH |
1760 | getnstimeofday(&ts1); |
1761 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); | |
1762 | if (ret) | |
1763 | return ret; | |
1764 | getnstimeofday(&ts2); | |
1765 | mmc_test_print_rate(test, sz, &ts1, &ts2); | |
1766 | return 0; | |
1767 | } | |
1768 | ||
c8c8c1bd AH |
1769 | static int mmc_test_seq_read_perf(struct mmc_test_card *test, unsigned long sz) |
1770 | { | |
253d6a28 | 1771 | struct mmc_test_area *t = &test->area; |
c8c8c1bd AH |
1772 | unsigned int dev_addr, i, cnt; |
1773 | struct timespec ts1, ts2; | |
1774 | int ret; | |
1775 | ||
253d6a28 AS |
1776 | cnt = t->max_sz / sz; |
1777 | dev_addr = t->dev_addr; | |
c8c8c1bd AH |
1778 | getnstimeofday(&ts1); |
1779 | for (i = 0; i < cnt; i++) { | |
1780 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 0); | |
1781 | if (ret) | |
1782 | return ret; | |
1783 | dev_addr += (sz >> 9); | |
1784 | } | |
1785 | getnstimeofday(&ts2); | |
1786 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1787 | return 0; | |
1788 | } | |
1789 | ||
64f7120d AH |
1790 | /* |
1791 | * Consecutive read performance by transfer size. | |
1792 | */ | |
1793 | static int mmc_test_profile_seq_read_perf(struct mmc_test_card *test) | |
1794 | { | |
253d6a28 | 1795 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1796 | unsigned long sz; |
c8c8c1bd AH |
1797 | int ret; |
1798 | ||
253d6a28 | 1799 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
c8c8c1bd AH |
1800 | ret = mmc_test_seq_read_perf(test, sz); |
1801 | if (ret) | |
1802 | return ret; | |
1803 | } | |
253d6a28 | 1804 | sz = t->max_tfr; |
c8c8c1bd AH |
1805 | return mmc_test_seq_read_perf(test, sz); |
1806 | } | |
1807 | ||
1808 | static int mmc_test_seq_write_perf(struct mmc_test_card *test, unsigned long sz) | |
1809 | { | |
253d6a28 | 1810 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1811 | unsigned int dev_addr, i, cnt; |
64f7120d AH |
1812 | struct timespec ts1, ts2; |
1813 | int ret; | |
1814 | ||
c8c8c1bd AH |
1815 | ret = mmc_test_area_erase(test); |
1816 | if (ret) | |
1817 | return ret; | |
253d6a28 AS |
1818 | cnt = t->max_sz / sz; |
1819 | dev_addr = t->dev_addr; | |
c8c8c1bd AH |
1820 | getnstimeofday(&ts1); |
1821 | for (i = 0; i < cnt; i++) { | |
1822 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 0); | |
1823 | if (ret) | |
1824 | return ret; | |
1825 | dev_addr += (sz >> 9); | |
64f7120d | 1826 | } |
c8c8c1bd AH |
1827 | getnstimeofday(&ts2); |
1828 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
64f7120d AH |
1829 | return 0; |
1830 | } | |
1831 | ||
1832 | /* | |
1833 | * Consecutive write performance by transfer size. | |
1834 | */ | |
1835 | static int mmc_test_profile_seq_write_perf(struct mmc_test_card *test) | |
1836 | { | |
253d6a28 | 1837 | struct mmc_test_area *t = &test->area; |
fec4dcce | 1838 | unsigned long sz; |
64f7120d AH |
1839 | int ret; |
1840 | ||
253d6a28 | 1841 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
c8c8c1bd | 1842 | ret = mmc_test_seq_write_perf(test, sz); |
64f7120d AH |
1843 | if (ret) |
1844 | return ret; | |
64f7120d | 1845 | } |
253d6a28 | 1846 | sz = t->max_tfr; |
c8c8c1bd | 1847 | return mmc_test_seq_write_perf(test, sz); |
64f7120d AH |
1848 | } |
1849 | ||
1850 | /* | |
1851 | * Consecutive trim performance by transfer size. | |
1852 | */ | |
1853 | static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test) | |
1854 | { | |
253d6a28 | 1855 | struct mmc_test_area *t = &test->area; |
fec4dcce AH |
1856 | unsigned long sz; |
1857 | unsigned int dev_addr, i, cnt; | |
64f7120d AH |
1858 | struct timespec ts1, ts2; |
1859 | int ret; | |
1860 | ||
1861 | if (!mmc_can_trim(test->card)) | |
1862 | return RESULT_UNSUP_CARD; | |
1863 | ||
1864 | if (!mmc_can_erase(test->card)) | |
1865 | return RESULT_UNSUP_HOST; | |
1866 | ||
253d6a28 | 1867 | for (sz = 512; sz <= t->max_sz; sz <<= 1) { |
64f7120d AH |
1868 | ret = mmc_test_area_erase(test); |
1869 | if (ret) | |
1870 | return ret; | |
1871 | ret = mmc_test_area_fill(test); | |
1872 | if (ret) | |
1873 | return ret; | |
253d6a28 AS |
1874 | cnt = t->max_sz / sz; |
1875 | dev_addr = t->dev_addr; | |
64f7120d AH |
1876 | getnstimeofday(&ts1); |
1877 | for (i = 0; i < cnt; i++) { | |
1878 | ret = mmc_erase(test->card, dev_addr, sz >> 9, | |
1879 | MMC_TRIM_ARG); | |
1880 | if (ret) | |
1881 | return ret; | |
1882 | dev_addr += (sz >> 9); | |
1883 | } | |
1884 | getnstimeofday(&ts2); | |
1885 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1886 | } | |
1887 | return 0; | |
1888 | } | |
1889 | ||
b6056d12 AH |
1890 | static unsigned int rnd_next = 1; |
1891 | ||
1892 | static unsigned int mmc_test_rnd_num(unsigned int rnd_cnt) | |
1893 | { | |
1894 | uint64_t r; | |
1895 | ||
1896 | rnd_next = rnd_next * 1103515245 + 12345; | |
1897 | r = (rnd_next >> 16) & 0x7fff; | |
1898 | return (r * rnd_cnt) >> 15; | |
1899 | } | |
1900 | ||
1901 | static int mmc_test_rnd_perf(struct mmc_test_card *test, int write, int print, | |
1902 | unsigned long sz) | |
1903 | { | |
1904 | unsigned int dev_addr, cnt, rnd_addr, range1, range2, last_ea = 0, ea; | |
1905 | unsigned int ssz; | |
1906 | struct timespec ts1, ts2, ts; | |
1907 | int ret; | |
1908 | ||
1909 | ssz = sz >> 9; | |
1910 | ||
1911 | rnd_addr = mmc_test_capacity(test->card) / 4; | |
1912 | range1 = rnd_addr / test->card->pref_erase; | |
1913 | range2 = range1 / ssz; | |
1914 | ||
1915 | getnstimeofday(&ts1); | |
1916 | for (cnt = 0; cnt < UINT_MAX; cnt++) { | |
1917 | getnstimeofday(&ts2); | |
1918 | ts = timespec_sub(ts2, ts1); | |
1919 | if (ts.tv_sec >= 10) | |
1920 | break; | |
1921 | ea = mmc_test_rnd_num(range1); | |
1922 | if (ea == last_ea) | |
1923 | ea -= 1; | |
1924 | last_ea = ea; | |
1925 | dev_addr = rnd_addr + test->card->pref_erase * ea + | |
1926 | ssz * mmc_test_rnd_num(range2); | |
1927 | ret = mmc_test_area_io(test, sz, dev_addr, write, 0, 0); | |
1928 | if (ret) | |
1929 | return ret; | |
1930 | } | |
1931 | if (print) | |
1932 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); | |
1933 | return 0; | |
1934 | } | |
1935 | ||
1936 | static int mmc_test_random_perf(struct mmc_test_card *test, int write) | |
1937 | { | |
253d6a28 | 1938 | struct mmc_test_area *t = &test->area; |
b6056d12 AH |
1939 | unsigned int next; |
1940 | unsigned long sz; | |
1941 | int ret; | |
1942 | ||
253d6a28 | 1943 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
b6056d12 AH |
1944 | /* |
1945 | * When writing, try to get more consistent results by running | |
1946 | * the test twice with exactly the same I/O but outputting the | |
1947 | * results only for the 2nd run. | |
1948 | */ | |
1949 | if (write) { | |
1950 | next = rnd_next; | |
1951 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1952 | if (ret) | |
1953 | return ret; | |
1954 | rnd_next = next; | |
1955 | } | |
1956 | ret = mmc_test_rnd_perf(test, write, 1, sz); | |
1957 | if (ret) | |
1958 | return ret; | |
1959 | } | |
253d6a28 | 1960 | sz = t->max_tfr; |
b6056d12 AH |
1961 | if (write) { |
1962 | next = rnd_next; | |
1963 | ret = mmc_test_rnd_perf(test, write, 0, sz); | |
1964 | if (ret) | |
1965 | return ret; | |
1966 | rnd_next = next; | |
1967 | } | |
1968 | return mmc_test_rnd_perf(test, write, 1, sz); | |
1969 | } | |
1970 | ||
1971 | /* | |
1972 | * Random read performance by transfer size. | |
1973 | */ | |
1974 | static int mmc_test_random_read_perf(struct mmc_test_card *test) | |
1975 | { | |
1976 | return mmc_test_random_perf(test, 0); | |
1977 | } | |
1978 | ||
1979 | /* | |
1980 | * Random write performance by transfer size. | |
1981 | */ | |
1982 | static int mmc_test_random_write_perf(struct mmc_test_card *test) | |
1983 | { | |
1984 | return mmc_test_random_perf(test, 1); | |
1985 | } | |
1986 | ||
a803d551 AH |
1987 | static int mmc_test_seq_perf(struct mmc_test_card *test, int write, |
1988 | unsigned int tot_sz, int max_scatter) | |
1989 | { | |
253d6a28 | 1990 | struct mmc_test_area *t = &test->area; |
a803d551 | 1991 | unsigned int dev_addr, i, cnt, sz, ssz; |
5a8fba52 | 1992 | struct timespec ts1, ts2; |
a803d551 AH |
1993 | int ret; |
1994 | ||
253d6a28 AS |
1995 | sz = t->max_tfr; |
1996 | ||
a803d551 AH |
1997 | /* |
1998 | * In the case of a maximally scattered transfer, the maximum transfer | |
1999 | * size is further limited by using PAGE_SIZE segments. | |
2000 | */ | |
2001 | if (max_scatter) { | |
a803d551 AH |
2002 | unsigned long max_tfr; |
2003 | ||
2004 | if (t->max_seg_sz >= PAGE_SIZE) | |
2005 | max_tfr = t->max_segs * PAGE_SIZE; | |
2006 | else | |
2007 | max_tfr = t->max_segs * t->max_seg_sz; | |
2008 | if (sz > max_tfr) | |
2009 | sz = max_tfr; | |
2010 | } | |
2011 | ||
2012 | ssz = sz >> 9; | |
2013 | dev_addr = mmc_test_capacity(test->card) / 4; | |
2014 | if (tot_sz > dev_addr << 9) | |
2015 | tot_sz = dev_addr << 9; | |
2016 | cnt = tot_sz / sz; | |
2017 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ | |
2018 | ||
2019 | getnstimeofday(&ts1); | |
2020 | for (i = 0; i < cnt; i++) { | |
2021 | ret = mmc_test_area_io(test, sz, dev_addr, write, | |
2022 | max_scatter, 0); | |
2023 | if (ret) | |
2024 | return ret; | |
2025 | dev_addr += ssz; | |
2026 | } | |
2027 | getnstimeofday(&ts2); | |
2028 | ||
a803d551 AH |
2029 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
2030 | ||
2031 | return 0; | |
2032 | } | |
2033 | ||
2034 | static int mmc_test_large_seq_perf(struct mmc_test_card *test, int write) | |
2035 | { | |
2036 | int ret, i; | |
2037 | ||
2038 | for (i = 0; i < 10; i++) { | |
2039 | ret = mmc_test_seq_perf(test, write, 10 * 1024 * 1024, 1); | |
2040 | if (ret) | |
2041 | return ret; | |
2042 | } | |
2043 | for (i = 0; i < 5; i++) { | |
2044 | ret = mmc_test_seq_perf(test, write, 100 * 1024 * 1024, 1); | |
2045 | if (ret) | |
2046 | return ret; | |
2047 | } | |
2048 | for (i = 0; i < 3; i++) { | |
2049 | ret = mmc_test_seq_perf(test, write, 1000 * 1024 * 1024, 1); | |
2050 | if (ret) | |
2051 | return ret; | |
2052 | } | |
2053 | ||
2054 | return ret; | |
2055 | } | |
2056 | ||
2057 | /* | |
2058 | * Large sequential read performance. | |
2059 | */ | |
2060 | static int mmc_test_large_seq_read_perf(struct mmc_test_card *test) | |
2061 | { | |
2062 | return mmc_test_large_seq_perf(test, 0); | |
2063 | } | |
2064 | ||
2065 | /* | |
2066 | * Large sequential write performance. | |
2067 | */ | |
2068 | static int mmc_test_large_seq_write_perf(struct mmc_test_card *test) | |
2069 | { | |
2070 | return mmc_test_large_seq_perf(test, 1); | |
2071 | } | |
2072 | ||
9f9c4180 PF |
2073 | static int mmc_test_rw_multiple(struct mmc_test_card *test, |
2074 | struct mmc_test_multiple_rw *tdata, | |
bf043330 PF |
2075 | unsigned int reqsize, unsigned int size, |
2076 | int min_sg_len) | |
9f9c4180 PF |
2077 | { |
2078 | unsigned int dev_addr; | |
2079 | struct mmc_test_area *t = &test->area; | |
2080 | int ret = 0; | |
2081 | ||
2082 | /* Set up test area */ | |
2083 | if (size > mmc_test_capacity(test->card) / 2 * 512) | |
2084 | size = mmc_test_capacity(test->card) / 2 * 512; | |
2085 | if (reqsize > t->max_tfr) | |
2086 | reqsize = t->max_tfr; | |
2087 | dev_addr = mmc_test_capacity(test->card) / 4; | |
2088 | if ((dev_addr & 0xffff0000)) | |
2089 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ | |
2090 | else | |
2091 | dev_addr &= 0xfffff800; /* Round to 1MiB boundary */ | |
2092 | if (!dev_addr) | |
2093 | goto err; | |
2094 | ||
2095 | if (reqsize > size) | |
2096 | return 0; | |
2097 | ||
2098 | /* prepare test area */ | |
2099 | if (mmc_can_erase(test->card) && | |
2100 | tdata->prepare & MMC_TEST_PREP_ERASE) { | |
2101 | ret = mmc_erase(test->card, dev_addr, | |
2102 | size / 512, MMC_SECURE_ERASE_ARG); | |
2103 | if (ret) | |
2104 | ret = mmc_erase(test->card, dev_addr, | |
2105 | size / 512, MMC_ERASE_ARG); | |
2106 | if (ret) | |
2107 | goto err; | |
2108 | } | |
2109 | ||
2110 | /* Run test */ | |
2111 | ret = mmc_test_area_io_seq(test, reqsize, dev_addr, | |
2112 | tdata->do_write, 0, 1, size / reqsize, | |
bf043330 | 2113 | tdata->do_nonblock_req, min_sg_len); |
9f9c4180 PF |
2114 | if (ret) |
2115 | goto err; | |
2116 | ||
2117 | return ret; | |
2118 | err: | |
a3c76eb9 | 2119 | pr_info("[%s] error\n", __func__); |
9f9c4180 PF |
2120 | return ret; |
2121 | } | |
2122 | ||
2123 | static int mmc_test_rw_multiple_size(struct mmc_test_card *test, | |
2124 | struct mmc_test_multiple_rw *rw) | |
2125 | { | |
2126 | int ret = 0; | |
2127 | int i; | |
2128 | void *pre_req = test->card->host->ops->pre_req; | |
2129 | void *post_req = test->card->host->ops->post_req; | |
2130 | ||
2131 | if (rw->do_nonblock_req && | |
2132 | ((!pre_req && post_req) || (pre_req && !post_req))) { | |
a3c76eb9 | 2133 | pr_info("error: only one of pre/post is defined\n"); |
9f9c4180 PF |
2134 | return -EINVAL; |
2135 | } | |
2136 | ||
2137 | for (i = 0 ; i < rw->len && ret == 0; i++) { | |
bf043330 PF |
2138 | ret = mmc_test_rw_multiple(test, rw, rw->bs[i], rw->size, 0); |
2139 | if (ret) | |
2140 | break; | |
2141 | } | |
2142 | return ret; | |
2143 | } | |
2144 | ||
2145 | static int mmc_test_rw_multiple_sg_len(struct mmc_test_card *test, | |
2146 | struct mmc_test_multiple_rw *rw) | |
2147 | { | |
2148 | int ret = 0; | |
2149 | int i; | |
2150 | ||
2151 | for (i = 0 ; i < rw->len && ret == 0; i++) { | |
2152 | ret = mmc_test_rw_multiple(test, rw, 512*1024, rw->size, | |
2153 | rw->sg_len[i]); | |
9f9c4180 PF |
2154 | if (ret) |
2155 | break; | |
2156 | } | |
2157 | return ret; | |
2158 | } | |
2159 | ||
2160 | /* | |
2161 | * Multiple blocking write 4k to 4 MB chunks | |
2162 | */ | |
2163 | static int mmc_test_profile_mult_write_blocking_perf(struct mmc_test_card *test) | |
2164 | { | |
2165 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2166 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2167 | struct mmc_test_multiple_rw test_data = { | |
2168 | .bs = bs, | |
2169 | .size = TEST_AREA_MAX_SIZE, | |
2170 | .len = ARRAY_SIZE(bs), | |
2171 | .do_write = true, | |
2172 | .do_nonblock_req = false, | |
2173 | .prepare = MMC_TEST_PREP_ERASE, | |
2174 | }; | |
2175 | ||
2176 | return mmc_test_rw_multiple_size(test, &test_data); | |
2177 | }; | |
2178 | ||
2179 | /* | |
2180 | * Multiple non-blocking write 4k to 4 MB chunks | |
2181 | */ | |
2182 | static int mmc_test_profile_mult_write_nonblock_perf(struct mmc_test_card *test) | |
2183 | { | |
2184 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2185 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2186 | struct mmc_test_multiple_rw test_data = { | |
2187 | .bs = bs, | |
2188 | .size = TEST_AREA_MAX_SIZE, | |
2189 | .len = ARRAY_SIZE(bs), | |
2190 | .do_write = true, | |
2191 | .do_nonblock_req = true, | |
2192 | .prepare = MMC_TEST_PREP_ERASE, | |
2193 | }; | |
2194 | ||
2195 | return mmc_test_rw_multiple_size(test, &test_data); | |
2196 | } | |
2197 | ||
2198 | /* | |
2199 | * Multiple blocking read 4k to 4 MB chunks | |
2200 | */ | |
2201 | static int mmc_test_profile_mult_read_blocking_perf(struct mmc_test_card *test) | |
2202 | { | |
2203 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2204 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2205 | struct mmc_test_multiple_rw test_data = { | |
2206 | .bs = bs, | |
2207 | .size = TEST_AREA_MAX_SIZE, | |
2208 | .len = ARRAY_SIZE(bs), | |
2209 | .do_write = false, | |
2210 | .do_nonblock_req = false, | |
2211 | .prepare = MMC_TEST_PREP_NONE, | |
2212 | }; | |
2213 | ||
2214 | return mmc_test_rw_multiple_size(test, &test_data); | |
2215 | } | |
2216 | ||
2217 | /* | |
2218 | * Multiple non-blocking read 4k to 4 MB chunks | |
2219 | */ | |
2220 | static int mmc_test_profile_mult_read_nonblock_perf(struct mmc_test_card *test) | |
2221 | { | |
2222 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, | |
2223 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; | |
2224 | struct mmc_test_multiple_rw test_data = { | |
2225 | .bs = bs, | |
2226 | .size = TEST_AREA_MAX_SIZE, | |
2227 | .len = ARRAY_SIZE(bs), | |
2228 | .do_write = false, | |
2229 | .do_nonblock_req = true, | |
2230 | .prepare = MMC_TEST_PREP_NONE, | |
2231 | }; | |
2232 | ||
2233 | return mmc_test_rw_multiple_size(test, &test_data); | |
2234 | } | |
2235 | ||
bf043330 PF |
2236 | /* |
2237 | * Multiple blocking write 1 to 512 sg elements | |
2238 | */ | |
2239 | static int mmc_test_profile_sglen_wr_blocking_perf(struct mmc_test_card *test) | |
2240 | { | |
2241 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2242 | 1 << 7, 1 << 8, 1 << 9}; | |
2243 | struct mmc_test_multiple_rw test_data = { | |
2244 | .sg_len = sg_len, | |
2245 | .size = TEST_AREA_MAX_SIZE, | |
2246 | .len = ARRAY_SIZE(sg_len), | |
2247 | .do_write = true, | |
2248 | .do_nonblock_req = false, | |
2249 | .prepare = MMC_TEST_PREP_ERASE, | |
2250 | }; | |
2251 | ||
2252 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2253 | }; | |
2254 | ||
2255 | /* | |
2256 | * Multiple non-blocking write 1 to 512 sg elements | |
2257 | */ | |
2258 | static int mmc_test_profile_sglen_wr_nonblock_perf(struct mmc_test_card *test) | |
2259 | { | |
2260 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2261 | 1 << 7, 1 << 8, 1 << 9}; | |
2262 | struct mmc_test_multiple_rw test_data = { | |
2263 | .sg_len = sg_len, | |
2264 | .size = TEST_AREA_MAX_SIZE, | |
2265 | .len = ARRAY_SIZE(sg_len), | |
2266 | .do_write = true, | |
2267 | .do_nonblock_req = true, | |
2268 | .prepare = MMC_TEST_PREP_ERASE, | |
2269 | }; | |
2270 | ||
2271 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2272 | } | |
2273 | ||
2274 | /* | |
2275 | * Multiple blocking read 1 to 512 sg elements | |
2276 | */ | |
2277 | static int mmc_test_profile_sglen_r_blocking_perf(struct mmc_test_card *test) | |
2278 | { | |
2279 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2280 | 1 << 7, 1 << 8, 1 << 9}; | |
2281 | struct mmc_test_multiple_rw test_data = { | |
2282 | .sg_len = sg_len, | |
2283 | .size = TEST_AREA_MAX_SIZE, | |
2284 | .len = ARRAY_SIZE(sg_len), | |
2285 | .do_write = false, | |
2286 | .do_nonblock_req = false, | |
2287 | .prepare = MMC_TEST_PREP_NONE, | |
2288 | }; | |
2289 | ||
2290 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2291 | } | |
2292 | ||
2293 | /* | |
2294 | * Multiple non-blocking read 1 to 512 sg elements | |
2295 | */ | |
2296 | static int mmc_test_profile_sglen_r_nonblock_perf(struct mmc_test_card *test) | |
2297 | { | |
2298 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, | |
2299 | 1 << 7, 1 << 8, 1 << 9}; | |
2300 | struct mmc_test_multiple_rw test_data = { | |
2301 | .sg_len = sg_len, | |
2302 | .size = TEST_AREA_MAX_SIZE, | |
2303 | .len = ARRAY_SIZE(sg_len), | |
2304 | .do_write = false, | |
2305 | .do_nonblock_req = true, | |
2306 | .prepare = MMC_TEST_PREP_NONE, | |
2307 | }; | |
2308 | ||
2309 | return mmc_test_rw_multiple_sg_len(test, &test_data); | |
2310 | } | |
2311 | ||
2311344c AH |
2312 | /* |
2313 | * eMMC hardware reset. | |
2314 | */ | |
08b137d9 | 2315 | static int mmc_test_reset(struct mmc_test_card *test) |
2311344c AH |
2316 | { |
2317 | struct mmc_card *card = test->card; | |
2318 | struct mmc_host *host = card->host; | |
2319 | int err; | |
2320 | ||
83533ab2 | 2321 | err = mmc_hw_reset(host); |
2311344c AH |
2322 | if (!err) |
2323 | return RESULT_OK; | |
83533ab2 JR |
2324 | else if (err == -EOPNOTSUPP) |
2325 | return RESULT_UNSUP_HOST; | |
2311344c | 2326 | |
83533ab2 | 2327 | return RESULT_FAIL; |
2311344c AH |
2328 | } |
2329 | ||
4bbb9aac AH |
2330 | struct mmc_test_req { |
2331 | struct mmc_request mrq; | |
2332 | struct mmc_command sbc; | |
2333 | struct mmc_command cmd; | |
2334 | struct mmc_command stop; | |
2335 | struct mmc_command status; | |
2336 | struct mmc_data data; | |
2337 | }; | |
2338 | ||
2339 | static struct mmc_test_req *mmc_test_req_alloc(void) | |
2340 | { | |
2341 | struct mmc_test_req *rq = kzalloc(sizeof(*rq), GFP_KERNEL); | |
2342 | ||
2343 | if (rq) { | |
2344 | rq->mrq.cmd = &rq->cmd; | |
2345 | rq->mrq.data = &rq->data; | |
2346 | rq->mrq.stop = &rq->stop; | |
2347 | } | |
2348 | ||
2349 | return rq; | |
2350 | } | |
2351 | ||
2352 | static int mmc_test_send_status(struct mmc_test_card *test, | |
2353 | struct mmc_command *cmd) | |
2354 | { | |
2355 | memset(cmd, 0, sizeof(*cmd)); | |
2356 | ||
2357 | cmd->opcode = MMC_SEND_STATUS; | |
2358 | if (!mmc_host_is_spi(test->card->host)) | |
2359 | cmd->arg = test->card->rca << 16; | |
2360 | cmd->flags = MMC_RSP_SPI_R2 | MMC_RSP_R1 | MMC_CMD_AC; | |
2361 | ||
2362 | return mmc_wait_for_cmd(test->card->host, cmd, 0); | |
2363 | } | |
2364 | ||
2365 | static int mmc_test_ongoing_transfer(struct mmc_test_card *test, | |
2366 | unsigned int dev_addr, int use_sbc, | |
2367 | int repeat_cmd, int write, int use_areq) | |
2368 | { | |
2369 | struct mmc_test_req *rq = mmc_test_req_alloc(); | |
2370 | struct mmc_host *host = test->card->host; | |
2371 | struct mmc_test_area *t = &test->area; | |
be55f7be | 2372 | struct mmc_test_async_req test_areq = { .test = test }; |
4bbb9aac AH |
2373 | struct mmc_request *mrq; |
2374 | unsigned long timeout; | |
2375 | bool expired = false; | |
8e8b3f51 | 2376 | enum mmc_blk_status blkstat = MMC_BLK_SUCCESS; |
4bbb9aac AH |
2377 | int ret = 0, cmd_ret; |
2378 | u32 status = 0; | |
2379 | int count = 0; | |
2380 | ||
2381 | if (!rq) | |
2382 | return -ENOMEM; | |
2383 | ||
2384 | mrq = &rq->mrq; | |
2385 | if (use_sbc) | |
2386 | mrq->sbc = &rq->sbc; | |
2387 | mrq->cap_cmd_during_tfr = true; | |
2388 | ||
be55f7be AH |
2389 | test_areq.areq.mrq = mrq; |
2390 | test_areq.areq.err_check = mmc_test_check_result_async; | |
4bbb9aac AH |
2391 | |
2392 | mmc_test_prepare_mrq(test, mrq, t->sg, t->sg_len, dev_addr, t->blocks, | |
2393 | 512, write); | |
2394 | ||
2395 | if (use_sbc && t->blocks > 1 && !mrq->sbc) { | |
2396 | ret = mmc_host_cmd23(host) ? | |
2397 | RESULT_UNSUP_CARD : | |
2398 | RESULT_UNSUP_HOST; | |
2399 | goto out_free; | |
2400 | } | |
2401 | ||
2402 | /* Start ongoing data request */ | |
2403 | if (use_areq) { | |
8e8b3f51 LW |
2404 | mmc_start_req(host, &test_areq.areq, &blkstat); |
2405 | if (blkstat != MMC_BLK_SUCCESS) { | |
2406 | ret = RESULT_FAIL; | |
4bbb9aac | 2407 | goto out_free; |
8e8b3f51 | 2408 | } |
4bbb9aac AH |
2409 | } else { |
2410 | mmc_wait_for_req(host, mrq); | |
2411 | } | |
2412 | ||
2413 | timeout = jiffies + msecs_to_jiffies(3000); | |
2414 | do { | |
2415 | count += 1; | |
2416 | ||
2417 | /* Send status command while data transfer in progress */ | |
2418 | cmd_ret = mmc_test_send_status(test, &rq->status); | |
2419 | if (cmd_ret) | |
2420 | break; | |
2421 | ||
2422 | status = rq->status.resp[0]; | |
2423 | if (status & R1_ERROR) { | |
2424 | cmd_ret = -EIO; | |
2425 | break; | |
2426 | } | |
2427 | ||
2428 | if (mmc_is_req_done(host, mrq)) | |
2429 | break; | |
2430 | ||
2431 | expired = time_after(jiffies, timeout); | |
2432 | if (expired) { | |
2433 | pr_info("%s: timeout waiting for Tran state status %#x\n", | |
2434 | mmc_hostname(host), status); | |
2435 | cmd_ret = -ETIMEDOUT; | |
2436 | break; | |
2437 | } | |
2438 | } while (repeat_cmd && R1_CURRENT_STATE(status) != R1_STATE_TRAN); | |
2439 | ||
2440 | /* Wait for data request to complete */ | |
8e8b3f51 LW |
2441 | if (use_areq) { |
2442 | mmc_start_req(host, NULL, &blkstat); | |
2443 | if (blkstat != MMC_BLK_SUCCESS) | |
2444 | ret = RESULT_FAIL; | |
2445 | } else { | |
4bbb9aac | 2446 | mmc_wait_for_req_done(test->card->host, mrq); |
8e8b3f51 | 2447 | } |
4bbb9aac AH |
2448 | |
2449 | /* | |
2450 | * For cap_cmd_during_tfr request, upper layer must send stop if | |
2451 | * required. | |
2452 | */ | |
2453 | if (mrq->data->stop && (mrq->data->error || !mrq->sbc)) { | |
2454 | if (ret) | |
2455 | mmc_wait_for_cmd(host, mrq->data->stop, 0); | |
2456 | else | |
2457 | ret = mmc_wait_for_cmd(host, mrq->data->stop, 0); | |
2458 | } | |
2459 | ||
2460 | if (ret) | |
2461 | goto out_free; | |
2462 | ||
2463 | if (cmd_ret) { | |
2464 | pr_info("%s: Send Status failed: status %#x, error %d\n", | |
2465 | mmc_hostname(test->card->host), status, cmd_ret); | |
2466 | } | |
2467 | ||
2468 | ret = mmc_test_check_result(test, mrq); | |
2469 | if (ret) | |
2470 | goto out_free; | |
2471 | ||
2472 | ret = mmc_test_wait_busy(test); | |
2473 | if (ret) | |
2474 | goto out_free; | |
2475 | ||
2476 | if (repeat_cmd && (t->blocks + 1) << 9 > t->max_tfr) | |
2477 | pr_info("%s: %d commands completed during transfer of %u blocks\n", | |
2478 | mmc_hostname(test->card->host), count, t->blocks); | |
2479 | ||
2480 | if (cmd_ret) | |
2481 | ret = cmd_ret; | |
2482 | out_free: | |
2483 | kfree(rq); | |
2484 | ||
2485 | return ret; | |
2486 | } | |
2487 | ||
2488 | static int __mmc_test_cmds_during_tfr(struct mmc_test_card *test, | |
2489 | unsigned long sz, int use_sbc, int write, | |
2490 | int use_areq) | |
2491 | { | |
2492 | struct mmc_test_area *t = &test->area; | |
2493 | int ret; | |
2494 | ||
2495 | if (!(test->card->host->caps & MMC_CAP_CMD_DURING_TFR)) | |
2496 | return RESULT_UNSUP_HOST; | |
2497 | ||
2498 | ret = mmc_test_area_map(test, sz, 0, 0); | |
2499 | if (ret) | |
2500 | return ret; | |
2501 | ||
2502 | ret = mmc_test_ongoing_transfer(test, t->dev_addr, use_sbc, 0, write, | |
2503 | use_areq); | |
2504 | if (ret) | |
2505 | return ret; | |
2506 | ||
2507 | return mmc_test_ongoing_transfer(test, t->dev_addr, use_sbc, 1, write, | |
2508 | use_areq); | |
2509 | } | |
2510 | ||
2511 | static int mmc_test_cmds_during_tfr(struct mmc_test_card *test, int use_sbc, | |
2512 | int write, int use_areq) | |
2513 | { | |
2514 | struct mmc_test_area *t = &test->area; | |
2515 | unsigned long sz; | |
2516 | int ret; | |
2517 | ||
2518 | for (sz = 512; sz <= t->max_tfr; sz += 512) { | |
2519 | ret = __mmc_test_cmds_during_tfr(test, sz, use_sbc, write, | |
2520 | use_areq); | |
2521 | if (ret) | |
2522 | return ret; | |
2523 | } | |
2524 | return 0; | |
2525 | } | |
2526 | ||
2527 | /* | |
2528 | * Commands during read - no Set Block Count (CMD23). | |
2529 | */ | |
2530 | static int mmc_test_cmds_during_read(struct mmc_test_card *test) | |
2531 | { | |
2532 | return mmc_test_cmds_during_tfr(test, 0, 0, 0); | |
2533 | } | |
2534 | ||
2535 | /* | |
2536 | * Commands during write - no Set Block Count (CMD23). | |
2537 | */ | |
2538 | static int mmc_test_cmds_during_write(struct mmc_test_card *test) | |
2539 | { | |
2540 | return mmc_test_cmds_during_tfr(test, 0, 1, 0); | |
2541 | } | |
2542 | ||
2543 | /* | |
2544 | * Commands during read - use Set Block Count (CMD23). | |
2545 | */ | |
2546 | static int mmc_test_cmds_during_read_cmd23(struct mmc_test_card *test) | |
2547 | { | |
2548 | return mmc_test_cmds_during_tfr(test, 1, 0, 0); | |
2549 | } | |
2550 | ||
2551 | /* | |
2552 | * Commands during write - use Set Block Count (CMD23). | |
2553 | */ | |
2554 | static int mmc_test_cmds_during_write_cmd23(struct mmc_test_card *test) | |
2555 | { | |
2556 | return mmc_test_cmds_during_tfr(test, 1, 1, 0); | |
2557 | } | |
2558 | ||
2559 | /* | |
2560 | * Commands during non-blocking read - use Set Block Count (CMD23). | |
2561 | */ | |
2562 | static int mmc_test_cmds_during_read_cmd23_nonblock(struct mmc_test_card *test) | |
2563 | { | |
2564 | return mmc_test_cmds_during_tfr(test, 1, 0, 1); | |
2565 | } | |
2566 | ||
2567 | /* | |
2568 | * Commands during non-blocking write - use Set Block Count (CMD23). | |
2569 | */ | |
2570 | static int mmc_test_cmds_during_write_cmd23_nonblock(struct mmc_test_card *test) | |
2571 | { | |
2572 | return mmc_test_cmds_during_tfr(test, 1, 1, 1); | |
2573 | } | |
2574 | ||
88ae600d PO |
2575 | static const struct mmc_test_case mmc_test_cases[] = { |
2576 | { | |
2577 | .name = "Basic write (no data verification)", | |
2578 | .run = mmc_test_basic_write, | |
2579 | }, | |
2580 | ||
2581 | { | |
2582 | .name = "Basic read (no data verification)", | |
2583 | .run = mmc_test_basic_read, | |
2584 | }, | |
2585 | ||
2586 | { | |
2587 | .name = "Basic write (with data verification)", | |
6b174931 | 2588 | .prepare = mmc_test_prepare_write, |
88ae600d | 2589 | .run = mmc_test_verify_write, |
6b174931 | 2590 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2591 | }, |
2592 | ||
2593 | { | |
2594 | .name = "Basic read (with data verification)", | |
6b174931 | 2595 | .prepare = mmc_test_prepare_read, |
88ae600d | 2596 | .run = mmc_test_verify_read, |
6b174931 | 2597 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2598 | }, |
2599 | ||
2600 | { | |
2601 | .name = "Multi-block write", | |
6b174931 | 2602 | .prepare = mmc_test_prepare_write, |
88ae600d | 2603 | .run = mmc_test_multi_write, |
6b174931 | 2604 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2605 | }, |
2606 | ||
2607 | { | |
2608 | .name = "Multi-block read", | |
6b174931 | 2609 | .prepare = mmc_test_prepare_read, |
88ae600d | 2610 | .run = mmc_test_multi_read, |
6b174931 | 2611 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2612 | }, |
2613 | ||
2614 | { | |
2615 | .name = "Power of two block writes", | |
6b174931 | 2616 | .prepare = mmc_test_prepare_write, |
88ae600d | 2617 | .run = mmc_test_pow2_write, |
6b174931 | 2618 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2619 | }, |
2620 | ||
2621 | { | |
2622 | .name = "Power of two block reads", | |
6b174931 | 2623 | .prepare = mmc_test_prepare_read, |
88ae600d | 2624 | .run = mmc_test_pow2_read, |
6b174931 | 2625 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2626 | }, |
2627 | ||
2628 | { | |
2629 | .name = "Weird sized block writes", | |
6b174931 | 2630 | .prepare = mmc_test_prepare_write, |
88ae600d | 2631 | .run = mmc_test_weird_write, |
6b174931 | 2632 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2633 | }, |
2634 | ||
2635 | { | |
2636 | .name = "Weird sized block reads", | |
6b174931 | 2637 | .prepare = mmc_test_prepare_read, |
88ae600d | 2638 | .run = mmc_test_weird_read, |
6b174931 | 2639 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2640 | }, |
2641 | ||
2642 | { | |
2643 | .name = "Badly aligned write", | |
6b174931 | 2644 | .prepare = mmc_test_prepare_write, |
88ae600d | 2645 | .run = mmc_test_align_write, |
6b174931 | 2646 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2647 | }, |
2648 | ||
2649 | { | |
2650 | .name = "Badly aligned read", | |
6b174931 | 2651 | .prepare = mmc_test_prepare_read, |
88ae600d | 2652 | .run = mmc_test_align_read, |
6b174931 | 2653 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2654 | }, |
2655 | ||
2656 | { | |
2657 | .name = "Badly aligned multi-block write", | |
6b174931 | 2658 | .prepare = mmc_test_prepare_write, |
88ae600d | 2659 | .run = mmc_test_align_multi_write, |
6b174931 | 2660 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2661 | }, |
2662 | ||
2663 | { | |
2664 | .name = "Badly aligned multi-block read", | |
6b174931 | 2665 | .prepare = mmc_test_prepare_read, |
88ae600d | 2666 | .run = mmc_test_align_multi_read, |
6b174931 | 2667 | .cleanup = mmc_test_cleanup, |
88ae600d PO |
2668 | }, |
2669 | ||
2670 | { | |
2671 | .name = "Correct xfer_size at write (start failure)", | |
2672 | .run = mmc_test_xfersize_write, | |
2673 | }, | |
2674 | ||
2675 | { | |
2676 | .name = "Correct xfer_size at read (start failure)", | |
2677 | .run = mmc_test_xfersize_read, | |
2678 | }, | |
2679 | ||
2680 | { | |
2681 | .name = "Correct xfer_size at write (midway failure)", | |
2682 | .run = mmc_test_multi_xfersize_write, | |
2683 | }, | |
2684 | ||
2685 | { | |
2686 | .name = "Correct xfer_size at read (midway failure)", | |
2687 | .run = mmc_test_multi_xfersize_read, | |
2688 | }, | |
2661081f PO |
2689 | |
2690 | #ifdef CONFIG_HIGHMEM | |
2691 | ||
2692 | { | |
2693 | .name = "Highmem write", | |
2694 | .prepare = mmc_test_prepare_write, | |
2695 | .run = mmc_test_write_high, | |
2696 | .cleanup = mmc_test_cleanup, | |
2697 | }, | |
2698 | ||
2699 | { | |
2700 | .name = "Highmem read", | |
2701 | .prepare = mmc_test_prepare_read, | |
2702 | .run = mmc_test_read_high, | |
2703 | .cleanup = mmc_test_cleanup, | |
2704 | }, | |
2705 | ||
2706 | { | |
2707 | .name = "Multi-block highmem write", | |
2708 | .prepare = mmc_test_prepare_write, | |
2709 | .run = mmc_test_multi_write_high, | |
2710 | .cleanup = mmc_test_cleanup, | |
2711 | }, | |
2712 | ||
2713 | { | |
2714 | .name = "Multi-block highmem read", | |
2715 | .prepare = mmc_test_prepare_read, | |
2716 | .run = mmc_test_multi_read_high, | |
2717 | .cleanup = mmc_test_cleanup, | |
2718 | }, | |
2719 | ||
64f7120d AH |
2720 | #else |
2721 | ||
2722 | { | |
2723 | .name = "Highmem write", | |
2724 | .run = mmc_test_no_highmem, | |
2725 | }, | |
2726 | ||
2727 | { | |
2728 | .name = "Highmem read", | |
2729 | .run = mmc_test_no_highmem, | |
2730 | }, | |
2731 | ||
2732 | { | |
2733 | .name = "Multi-block highmem write", | |
2734 | .run = mmc_test_no_highmem, | |
2735 | }, | |
2736 | ||
2737 | { | |
2738 | .name = "Multi-block highmem read", | |
2739 | .run = mmc_test_no_highmem, | |
2740 | }, | |
2741 | ||
2661081f PO |
2742 | #endif /* CONFIG_HIGHMEM */ |
2743 | ||
64f7120d AH |
2744 | { |
2745 | .name = "Best-case read performance", | |
2746 | .prepare = mmc_test_area_prepare_fill, | |
2747 | .run = mmc_test_best_read_performance, | |
2748 | .cleanup = mmc_test_area_cleanup, | |
2749 | }, | |
2750 | ||
2751 | { | |
2752 | .name = "Best-case write performance", | |
2753 | .prepare = mmc_test_area_prepare_erase, | |
2754 | .run = mmc_test_best_write_performance, | |
2755 | .cleanup = mmc_test_area_cleanup, | |
2756 | }, | |
2757 | ||
2758 | { | |
2759 | .name = "Best-case read performance into scattered pages", | |
2760 | .prepare = mmc_test_area_prepare_fill, | |
2761 | .run = mmc_test_best_read_perf_max_scatter, | |
2762 | .cleanup = mmc_test_area_cleanup, | |
2763 | }, | |
2764 | ||
2765 | { | |
2766 | .name = "Best-case write performance from scattered pages", | |
2767 | .prepare = mmc_test_area_prepare_erase, | |
2768 | .run = mmc_test_best_write_perf_max_scatter, | |
2769 | .cleanup = mmc_test_area_cleanup, | |
2770 | }, | |
2771 | ||
2772 | { | |
2773 | .name = "Single read performance by transfer size", | |
2774 | .prepare = mmc_test_area_prepare_fill, | |
2775 | .run = mmc_test_profile_read_perf, | |
2776 | .cleanup = mmc_test_area_cleanup, | |
2777 | }, | |
2778 | ||
2779 | { | |
2780 | .name = "Single write performance by transfer size", | |
2781 | .prepare = mmc_test_area_prepare, | |
2782 | .run = mmc_test_profile_write_perf, | |
2783 | .cleanup = mmc_test_area_cleanup, | |
2784 | }, | |
2785 | ||
2786 | { | |
2787 | .name = "Single trim performance by transfer size", | |
2788 | .prepare = mmc_test_area_prepare_fill, | |
2789 | .run = mmc_test_profile_trim_perf, | |
2790 | .cleanup = mmc_test_area_cleanup, | |
2791 | }, | |
2792 | ||
2793 | { | |
2794 | .name = "Consecutive read performance by transfer size", | |
2795 | .prepare = mmc_test_area_prepare_fill, | |
2796 | .run = mmc_test_profile_seq_read_perf, | |
2797 | .cleanup = mmc_test_area_cleanup, | |
2798 | }, | |
2799 | ||
2800 | { | |
2801 | .name = "Consecutive write performance by transfer size", | |
2802 | .prepare = mmc_test_area_prepare, | |
2803 | .run = mmc_test_profile_seq_write_perf, | |
2804 | .cleanup = mmc_test_area_cleanup, | |
2805 | }, | |
2806 | ||
2807 | { | |
2808 | .name = "Consecutive trim performance by transfer size", | |
2809 | .prepare = mmc_test_area_prepare, | |
2810 | .run = mmc_test_profile_seq_trim_perf, | |
2811 | .cleanup = mmc_test_area_cleanup, | |
2812 | }, | |
2813 | ||
b6056d12 AH |
2814 | { |
2815 | .name = "Random read performance by transfer size", | |
2816 | .prepare = mmc_test_area_prepare, | |
2817 | .run = mmc_test_random_read_perf, | |
2818 | .cleanup = mmc_test_area_cleanup, | |
2819 | }, | |
2820 | ||
2821 | { | |
2822 | .name = "Random write performance by transfer size", | |
2823 | .prepare = mmc_test_area_prepare, | |
2824 | .run = mmc_test_random_write_perf, | |
2825 | .cleanup = mmc_test_area_cleanup, | |
2826 | }, | |
2827 | ||
a803d551 AH |
2828 | { |
2829 | .name = "Large sequential read into scattered pages", | |
2830 | .prepare = mmc_test_area_prepare, | |
2831 | .run = mmc_test_large_seq_read_perf, | |
2832 | .cleanup = mmc_test_area_cleanup, | |
2833 | }, | |
2834 | ||
2835 | { | |
2836 | .name = "Large sequential write from scattered pages", | |
2837 | .prepare = mmc_test_area_prepare, | |
2838 | .run = mmc_test_large_seq_write_perf, | |
2839 | .cleanup = mmc_test_area_cleanup, | |
2840 | }, | |
2841 | ||
9f9c4180 PF |
2842 | { |
2843 | .name = "Write performance with blocking req 4k to 4MB", | |
2844 | .prepare = mmc_test_area_prepare, | |
2845 | .run = mmc_test_profile_mult_write_blocking_perf, | |
2846 | .cleanup = mmc_test_area_cleanup, | |
2847 | }, | |
2848 | ||
2849 | { | |
2850 | .name = "Write performance with non-blocking req 4k to 4MB", | |
2851 | .prepare = mmc_test_area_prepare, | |
2852 | .run = mmc_test_profile_mult_write_nonblock_perf, | |
2853 | .cleanup = mmc_test_area_cleanup, | |
2854 | }, | |
2855 | ||
2856 | { | |
2857 | .name = "Read performance with blocking req 4k to 4MB", | |
2858 | .prepare = mmc_test_area_prepare, | |
2859 | .run = mmc_test_profile_mult_read_blocking_perf, | |
2860 | .cleanup = mmc_test_area_cleanup, | |
2861 | }, | |
2862 | ||
2863 | { | |
2864 | .name = "Read performance with non-blocking req 4k to 4MB", | |
2865 | .prepare = mmc_test_area_prepare, | |
2866 | .run = mmc_test_profile_mult_read_nonblock_perf, | |
2867 | .cleanup = mmc_test_area_cleanup, | |
2868 | }, | |
bf043330 PF |
2869 | |
2870 | { | |
2871 | .name = "Write performance blocking req 1 to 512 sg elems", | |
2872 | .prepare = mmc_test_area_prepare, | |
2873 | .run = mmc_test_profile_sglen_wr_blocking_perf, | |
2874 | .cleanup = mmc_test_area_cleanup, | |
2875 | }, | |
2876 | ||
2877 | { | |
2878 | .name = "Write performance non-blocking req 1 to 512 sg elems", | |
2879 | .prepare = mmc_test_area_prepare, | |
2880 | .run = mmc_test_profile_sglen_wr_nonblock_perf, | |
2881 | .cleanup = mmc_test_area_cleanup, | |
2882 | }, | |
2883 | ||
2884 | { | |
2885 | .name = "Read performance blocking req 1 to 512 sg elems", | |
2886 | .prepare = mmc_test_area_prepare, | |
2887 | .run = mmc_test_profile_sglen_r_blocking_perf, | |
2888 | .cleanup = mmc_test_area_cleanup, | |
2889 | }, | |
2890 | ||
2891 | { | |
2892 | .name = "Read performance non-blocking req 1 to 512 sg elems", | |
2893 | .prepare = mmc_test_area_prepare, | |
2894 | .run = mmc_test_profile_sglen_r_nonblock_perf, | |
2895 | .cleanup = mmc_test_area_cleanup, | |
2896 | }, | |
2311344c AH |
2897 | |
2898 | { | |
08b137d9 CJ |
2899 | .name = "Reset test", |
2900 | .run = mmc_test_reset, | |
2311344c | 2901 | }, |
4bbb9aac AH |
2902 | |
2903 | { | |
2904 | .name = "Commands during read - no Set Block Count (CMD23)", | |
2905 | .prepare = mmc_test_area_prepare, | |
2906 | .run = mmc_test_cmds_during_read, | |
2907 | .cleanup = mmc_test_area_cleanup, | |
2908 | }, | |
2909 | ||
2910 | { | |
2911 | .name = "Commands during write - no Set Block Count (CMD23)", | |
2912 | .prepare = mmc_test_area_prepare, | |
2913 | .run = mmc_test_cmds_during_write, | |
2914 | .cleanup = mmc_test_area_cleanup, | |
2915 | }, | |
2916 | ||
2917 | { | |
2918 | .name = "Commands during read - use Set Block Count (CMD23)", | |
2919 | .prepare = mmc_test_area_prepare, | |
2920 | .run = mmc_test_cmds_during_read_cmd23, | |
2921 | .cleanup = mmc_test_area_cleanup, | |
2922 | }, | |
2923 | ||
2924 | { | |
2925 | .name = "Commands during write - use Set Block Count (CMD23)", | |
2926 | .prepare = mmc_test_area_prepare, | |
2927 | .run = mmc_test_cmds_during_write_cmd23, | |
2928 | .cleanup = mmc_test_area_cleanup, | |
2929 | }, | |
2930 | ||
2931 | { | |
2932 | .name = "Commands during non-blocking read - use Set Block Count (CMD23)", | |
2933 | .prepare = mmc_test_area_prepare, | |
2934 | .run = mmc_test_cmds_during_read_cmd23_nonblock, | |
2935 | .cleanup = mmc_test_area_cleanup, | |
2936 | }, | |
2937 | ||
2938 | { | |
2939 | .name = "Commands during non-blocking write - use Set Block Count (CMD23)", | |
2940 | .prepare = mmc_test_area_prepare, | |
2941 | .run = mmc_test_cmds_during_write_cmd23_nonblock, | |
2942 | .cleanup = mmc_test_area_cleanup, | |
2943 | }, | |
88ae600d PO |
2944 | }; |
2945 | ||
a650031a | 2946 | static DEFINE_MUTEX(mmc_test_lock); |
88ae600d | 2947 | |
3183aa15 AS |
2948 | static LIST_HEAD(mmc_test_result); |
2949 | ||
fd8c326c | 2950 | static void mmc_test_run(struct mmc_test_card *test, int testcase) |
88ae600d PO |
2951 | { |
2952 | int i, ret; | |
2953 | ||
a3c76eb9 | 2954 | pr_info("%s: Starting tests of card %s...\n", |
88ae600d PO |
2955 | mmc_hostname(test->card->host), mmc_card_id(test->card)); |
2956 | ||
2957 | mmc_claim_host(test->card->host); | |
2958 | ||
2959 | for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) { | |
3183aa15 AS |
2960 | struct mmc_test_general_result *gr; |
2961 | ||
fd8c326c PO |
2962 | if (testcase && ((i + 1) != testcase)) |
2963 | continue; | |
2964 | ||
a3c76eb9 | 2965 | pr_info("%s: Test case %d. %s...\n", |
88ae600d PO |
2966 | mmc_hostname(test->card->host), i + 1, |
2967 | mmc_test_cases[i].name); | |
2968 | ||
2969 | if (mmc_test_cases[i].prepare) { | |
2970 | ret = mmc_test_cases[i].prepare(test); | |
2971 | if (ret) { | |
a3c76eb9 | 2972 | pr_info("%s: Result: Prepare " |
88ae600d PO |
2973 | "stage failed! (%d)\n", |
2974 | mmc_hostname(test->card->host), | |
2975 | ret); | |
2976 | continue; | |
2977 | } | |
2978 | } | |
2979 | ||
3183aa15 AS |
2980 | gr = kzalloc(sizeof(struct mmc_test_general_result), |
2981 | GFP_KERNEL); | |
2982 | if (gr) { | |
2983 | INIT_LIST_HEAD(&gr->tr_lst); | |
2984 | ||
2985 | /* Assign data what we know already */ | |
2986 | gr->card = test->card; | |
2987 | gr->testcase = i; | |
2988 | ||
2989 | /* Append container to global one */ | |
2990 | list_add_tail(&gr->link, &mmc_test_result); | |
2991 | ||
2992 | /* | |
2993 | * Save the pointer to created container in our private | |
2994 | * structure. | |
2995 | */ | |
2996 | test->gr = gr; | |
2997 | } | |
2998 | ||
88ae600d PO |
2999 | ret = mmc_test_cases[i].run(test); |
3000 | switch (ret) { | |
3001 | case RESULT_OK: | |
a3c76eb9 | 3002 | pr_info("%s: Result: OK\n", |
88ae600d PO |
3003 | mmc_hostname(test->card->host)); |
3004 | break; | |
3005 | case RESULT_FAIL: | |
a3c76eb9 | 3006 | pr_info("%s: Result: FAILED\n", |
88ae600d PO |
3007 | mmc_hostname(test->card->host)); |
3008 | break; | |
3009 | case RESULT_UNSUP_HOST: | |
a3c76eb9 | 3010 | pr_info("%s: Result: UNSUPPORTED " |
88ae600d PO |
3011 | "(by host)\n", |
3012 | mmc_hostname(test->card->host)); | |
3013 | break; | |
3014 | case RESULT_UNSUP_CARD: | |
a3c76eb9 | 3015 | pr_info("%s: Result: UNSUPPORTED " |
88ae600d PO |
3016 | "(by card)\n", |
3017 | mmc_hostname(test->card->host)); | |
3018 | break; | |
3019 | default: | |
a3c76eb9 | 3020 | pr_info("%s: Result: ERROR (%d)\n", |
88ae600d PO |
3021 | mmc_hostname(test->card->host), ret); |
3022 | } | |
3023 | ||
3183aa15 AS |
3024 | /* Save the result */ |
3025 | if (gr) | |
3026 | gr->result = ret; | |
3027 | ||
88ae600d PO |
3028 | if (mmc_test_cases[i].cleanup) { |
3029 | ret = mmc_test_cases[i].cleanup(test); | |
3030 | if (ret) { | |
a3c76eb9 | 3031 | pr_info("%s: Warning: Cleanup " |
88ae600d PO |
3032 | "stage failed! (%d)\n", |
3033 | mmc_hostname(test->card->host), | |
3034 | ret); | |
3035 | } | |
3036 | } | |
3037 | } | |
3038 | ||
3039 | mmc_release_host(test->card->host); | |
3040 | ||
a3c76eb9 | 3041 | pr_info("%s: Tests completed.\n", |
88ae600d PO |
3042 | mmc_hostname(test->card->host)); |
3043 | } | |
3044 | ||
3183aa15 AS |
3045 | static void mmc_test_free_result(struct mmc_card *card) |
3046 | { | |
3047 | struct mmc_test_general_result *gr, *grs; | |
3048 | ||
3049 | mutex_lock(&mmc_test_lock); | |
3050 | ||
3051 | list_for_each_entry_safe(gr, grs, &mmc_test_result, link) { | |
3052 | struct mmc_test_transfer_result *tr, *trs; | |
3053 | ||
3054 | if (card && gr->card != card) | |
3055 | continue; | |
3056 | ||
3057 | list_for_each_entry_safe(tr, trs, &gr->tr_lst, link) { | |
3058 | list_del(&tr->link); | |
3059 | kfree(tr); | |
3060 | } | |
3061 | ||
3062 | list_del(&gr->link); | |
3063 | kfree(gr); | |
3064 | } | |
3065 | ||
3066 | mutex_unlock(&mmc_test_lock); | |
3067 | } | |
3068 | ||
130067ed AS |
3069 | static LIST_HEAD(mmc_test_file_test); |
3070 | ||
3071 | static int mtf_test_show(struct seq_file *sf, void *data) | |
88ae600d | 3072 | { |
130067ed | 3073 | struct mmc_card *card = (struct mmc_card *)sf->private; |
3183aa15 | 3074 | struct mmc_test_general_result *gr; |
3183aa15 | 3075 | |
88ae600d | 3076 | mutex_lock(&mmc_test_lock); |
3183aa15 AS |
3077 | |
3078 | list_for_each_entry(gr, &mmc_test_result, link) { | |
3079 | struct mmc_test_transfer_result *tr; | |
3080 | ||
3081 | if (gr->card != card) | |
3082 | continue; | |
3083 | ||
130067ed | 3084 | seq_printf(sf, "Test %d: %d\n", gr->testcase + 1, gr->result); |
3183aa15 AS |
3085 | |
3086 | list_for_each_entry(tr, &gr->tr_lst, link) { | |
b6056d12 | 3087 | seq_printf(sf, "%u %d %lu.%09lu %u %u.%02u\n", |
3183aa15 AS |
3088 | tr->count, tr->sectors, |
3089 | (unsigned long)tr->ts.tv_sec, | |
3090 | (unsigned long)tr->ts.tv_nsec, | |
b6056d12 | 3091 | tr->rate, tr->iops / 100, tr->iops % 100); |
3183aa15 AS |
3092 | } |
3093 | } | |
3094 | ||
88ae600d PO |
3095 | mutex_unlock(&mmc_test_lock); |
3096 | ||
130067ed | 3097 | return 0; |
88ae600d PO |
3098 | } |
3099 | ||
130067ed | 3100 | static int mtf_test_open(struct inode *inode, struct file *file) |
88ae600d | 3101 | { |
130067ed AS |
3102 | return single_open(file, mtf_test_show, inode->i_private); |
3103 | } | |
3104 | ||
3105 | static ssize_t mtf_test_write(struct file *file, const char __user *buf, | |
3106 | size_t count, loff_t *pos) | |
3107 | { | |
3108 | struct seq_file *sf = (struct seq_file *)file->private_data; | |
3109 | struct mmc_card *card = (struct mmc_card *)sf->private; | |
88ae600d | 3110 | struct mmc_test_card *test; |
5c25aee5 | 3111 | long testcase; |
4be7085f | 3112 | int ret; |
88ae600d | 3113 | |
4be7085f JH |
3114 | ret = kstrtol_from_user(buf, count, 10, &testcase); |
3115 | if (ret) | |
3116 | return ret; | |
fd8c326c | 3117 | |
88ae600d PO |
3118 | test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL); |
3119 | if (!test) | |
3120 | return -ENOMEM; | |
3121 | ||
3183aa15 AS |
3122 | /* |
3123 | * Remove all test cases associated with given card. Thus we have only | |
3124 | * actual data of the last run. | |
3125 | */ | |
3126 | mmc_test_free_result(card); | |
3127 | ||
88ae600d PO |
3128 | test->card = card; |
3129 | ||
3130 | test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); | |
2661081f PO |
3131 | #ifdef CONFIG_HIGHMEM |
3132 | test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); | |
3133 | #endif | |
3134 | ||
3135 | #ifdef CONFIG_HIGHMEM | |
3136 | if (test->buffer && test->highmem) { | |
3137 | #else | |
88ae600d | 3138 | if (test->buffer) { |
2661081f | 3139 | #endif |
88ae600d | 3140 | mutex_lock(&mmc_test_lock); |
fd8c326c | 3141 | mmc_test_run(test, testcase); |
88ae600d PO |
3142 | mutex_unlock(&mmc_test_lock); |
3143 | } | |
3144 | ||
2661081f PO |
3145 | #ifdef CONFIG_HIGHMEM |
3146 | __free_pages(test->highmem, BUFFER_ORDER); | |
3147 | #endif | |
88ae600d PO |
3148 | kfree(test->buffer); |
3149 | kfree(test); | |
3150 | ||
3151 | return count; | |
3152 | } | |
3153 | ||
130067ed AS |
3154 | static const struct file_operations mmc_test_fops_test = { |
3155 | .open = mtf_test_open, | |
3156 | .read = seq_read, | |
3157 | .write = mtf_test_write, | |
3158 | .llseek = seq_lseek, | |
3159 | .release = single_release, | |
3160 | }; | |
3161 | ||
54f3caf5 PF |
3162 | static int mtf_testlist_show(struct seq_file *sf, void *data) |
3163 | { | |
3164 | int i; | |
3165 | ||
3166 | mutex_lock(&mmc_test_lock); | |
3167 | ||
1ac109dd | 3168 | seq_printf(sf, "0:\tRun all tests\n"); |
54f3caf5 PF |
3169 | for (i = 0; i < ARRAY_SIZE(mmc_test_cases); i++) |
3170 | seq_printf(sf, "%d:\t%s\n", i+1, mmc_test_cases[i].name); | |
3171 | ||
3172 | mutex_unlock(&mmc_test_lock); | |
3173 | ||
3174 | return 0; | |
3175 | } | |
3176 | ||
3177 | static int mtf_testlist_open(struct inode *inode, struct file *file) | |
3178 | { | |
3179 | return single_open(file, mtf_testlist_show, inode->i_private); | |
3180 | } | |
3181 | ||
3182 | static const struct file_operations mmc_test_fops_testlist = { | |
3183 | .open = mtf_testlist_open, | |
3184 | .read = seq_read, | |
3185 | .llseek = seq_lseek, | |
3186 | .release = single_release, | |
3187 | }; | |
3188 | ||
d5a5bd1c | 3189 | static void mmc_test_free_dbgfs_file(struct mmc_card *card) |
130067ed AS |
3190 | { |
3191 | struct mmc_test_dbgfs_file *df, *dfs; | |
3192 | ||
3193 | mutex_lock(&mmc_test_lock); | |
3194 | ||
3195 | list_for_each_entry_safe(df, dfs, &mmc_test_file_test, link) { | |
3196 | if (card && df->card != card) | |
3197 | continue; | |
3198 | debugfs_remove(df->file); | |
3199 | list_del(&df->link); | |
3200 | kfree(df); | |
3201 | } | |
3202 | ||
3203 | mutex_unlock(&mmc_test_lock); | |
3204 | } | |
3205 | ||
d5a5bd1c | 3206 | static int __mmc_test_register_dbgfs_file(struct mmc_card *card, |
f4ae40a6 | 3207 | const char *name, umode_t mode, const struct file_operations *fops) |
130067ed AS |
3208 | { |
3209 | struct dentry *file = NULL; | |
3210 | struct mmc_test_dbgfs_file *df; | |
54f3caf5 PF |
3211 | |
3212 | if (card->debugfs_root) | |
d5a5bd1c AS |
3213 | file = debugfs_create_file(name, mode, card->debugfs_root, |
3214 | card, fops); | |
54f3caf5 PF |
3215 | |
3216 | if (IS_ERR_OR_NULL(file)) { | |
3217 | dev_err(&card->dev, | |
d5a5bd1c AS |
3218 | "Can't create %s. Perhaps debugfs is disabled.\n", |
3219 | name); | |
3220 | return -ENODEV; | |
130067ed AS |
3221 | } |
3222 | ||
3223 | df = kmalloc(sizeof(struct mmc_test_dbgfs_file), GFP_KERNEL); | |
3224 | if (!df) { | |
3225 | debugfs_remove(file); | |
3226 | dev_err(&card->dev, | |
3227 | "Can't allocate memory for internal usage.\n"); | |
d5a5bd1c | 3228 | return -ENOMEM; |
130067ed AS |
3229 | } |
3230 | ||
3231 | df->card = card; | |
3232 | df->file = file; | |
3233 | ||
3234 | list_add(&df->link, &mmc_test_file_test); | |
d5a5bd1c AS |
3235 | return 0; |
3236 | } | |
3237 | ||
3238 | static int mmc_test_register_dbgfs_file(struct mmc_card *card) | |
3239 | { | |
3240 | int ret; | |
3241 | ||
3242 | mutex_lock(&mmc_test_lock); | |
3243 | ||
3244 | ret = __mmc_test_register_dbgfs_file(card, "test", S_IWUSR | S_IRUGO, | |
3245 | &mmc_test_fops_test); | |
3246 | if (ret) | |
3247 | goto err; | |
3248 | ||
3249 | ret = __mmc_test_register_dbgfs_file(card, "testlist", S_IRUGO, | |
3250 | &mmc_test_fops_testlist); | |
3251 | if (ret) | |
3252 | goto err; | |
130067ed AS |
3253 | |
3254 | err: | |
3255 | mutex_unlock(&mmc_test_lock); | |
3256 | ||
3257 | return ret; | |
3258 | } | |
88ae600d | 3259 | |
96541bac | 3260 | static int mmc_test_probe(struct mmc_card *card) |
88ae600d PO |
3261 | { |
3262 | int ret; | |
3263 | ||
63be54ce | 3264 | if (!mmc_card_mmc(card) && !mmc_card_sd(card)) |
0121a982 PO |
3265 | return -ENODEV; |
3266 | ||
d5a5bd1c | 3267 | ret = mmc_test_register_dbgfs_file(card); |
88ae600d PO |
3268 | if (ret) |
3269 | return ret; | |
3270 | ||
60c9c7b1 PO |
3271 | dev_info(&card->dev, "Card claimed for testing.\n"); |
3272 | ||
88ae600d PO |
3273 | return 0; |
3274 | } | |
3275 | ||
96541bac | 3276 | static void mmc_test_remove(struct mmc_card *card) |
88ae600d | 3277 | { |
3183aa15 | 3278 | mmc_test_free_result(card); |
d5a5bd1c | 3279 | mmc_test_free_dbgfs_file(card); |
88ae600d PO |
3280 | } |
3281 | ||
96541bac | 3282 | static void mmc_test_shutdown(struct mmc_card *card) |
76287748 UH |
3283 | { |
3284 | } | |
3285 | ||
96541bac UH |
3286 | static struct mmc_driver mmc_driver = { |
3287 | .drv = { | |
3288 | .name = "mmc_test", | |
3289 | }, | |
88ae600d PO |
3290 | .probe = mmc_test_probe, |
3291 | .remove = mmc_test_remove, | |
76287748 | 3292 | .shutdown = mmc_test_shutdown, |
88ae600d PO |
3293 | }; |
3294 | ||
3295 | static int __init mmc_test_init(void) | |
3296 | { | |
3297 | return mmc_register_driver(&mmc_driver); | |
3298 | } | |
3299 | ||
3300 | static void __exit mmc_test_exit(void) | |
3301 | { | |
3183aa15 AS |
3302 | /* Clear stalled data if card is still plugged */ |
3303 | mmc_test_free_result(NULL); | |
d5a5bd1c | 3304 | mmc_test_free_dbgfs_file(NULL); |
3183aa15 | 3305 | |
88ae600d PO |
3306 | mmc_unregister_driver(&mmc_driver); |
3307 | } | |
3308 | ||
3309 | module_init(mmc_test_init); | |
3310 | module_exit(mmc_test_exit); | |
3311 | ||
3312 | MODULE_LICENSE("GPL"); | |
3313 | MODULE_DESCRIPTION("Multimedia Card (MMC) host test driver"); | |
3314 | MODULE_AUTHOR("Pierre Ossman"); |