Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1 | /* |
| 2 | * linux/drivers/mmc/card/mmc_test.c |
| 3 | * |
Pierre Ossman | 0121a98 | 2008-06-28 17:51:27 +0200 | [diff] [blame] | 4 | * Copyright 2007-2008 Pierre Ossman |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 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> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 16 | #include <linux/slab.h> |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 17 | |
| 18 | #include <linux/scatterlist.h> |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 19 | #include <linux/swap.h> /* For nr_free_buffer_pages() */ |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 20 | #include <linux/list.h> |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 21 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 22 | #include <linux/debugfs.h> |
| 23 | #include <linux/uaccess.h> |
| 24 | #include <linux/seq_file.h> |
| 25 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 26 | #define RESULT_OK 0 |
| 27 | #define RESULT_FAIL 1 |
| 28 | #define RESULT_UNSUP_HOST 2 |
| 29 | #define RESULT_UNSUP_CARD 3 |
| 30 | |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 31 | #define BUFFER_ORDER 2 |
| 32 | #define BUFFER_SIZE (PAGE_SIZE << BUFFER_ORDER) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 33 | |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 34 | /* |
| 35 | * Limit the test area size to the maximum MMC HC erase group size. Note that |
| 36 | * the maximum SD allocation unit size is just 4MiB. |
| 37 | */ |
| 38 | #define TEST_AREA_MAX_SIZE (128 * 1024 * 1024) |
| 39 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 40 | /** |
| 41 | * struct mmc_test_pages - pages allocated by 'alloc_pages()'. |
| 42 | * @page: first page in the allocation |
| 43 | * @order: order of the number of pages allocated |
| 44 | */ |
| 45 | struct mmc_test_pages { |
| 46 | struct page *page; |
| 47 | unsigned int order; |
| 48 | }; |
| 49 | |
| 50 | /** |
| 51 | * struct mmc_test_mem - allocated memory. |
| 52 | * @arr: array of allocations |
| 53 | * @cnt: number of allocations |
| 54 | */ |
| 55 | struct mmc_test_mem { |
| 56 | struct mmc_test_pages *arr; |
| 57 | unsigned int cnt; |
| 58 | }; |
| 59 | |
| 60 | /** |
| 61 | * struct mmc_test_area - information for performance tests. |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 62 | * @max_sz: test area size (in bytes) |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 63 | * @dev_addr: address on card at which to do performance tests |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 64 | * @max_tfr: maximum transfer size allowed by driver (in bytes) |
| 65 | * @max_segs: maximum segments allowed by driver in scatterlist @sg |
| 66 | * @max_seg_sz: maximum segment size allowed by driver |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 67 | * @blocks: number of (512 byte) blocks currently mapped by @sg |
| 68 | * @sg_len: length of currently mapped scatterlist @sg |
| 69 | * @mem: allocated memory |
| 70 | * @sg: scatterlist |
| 71 | */ |
| 72 | struct mmc_test_area { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 73 | unsigned long max_sz; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 74 | unsigned int dev_addr; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 75 | unsigned int max_tfr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 76 | unsigned int max_segs; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 77 | unsigned int max_seg_sz; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 78 | unsigned int blocks; |
| 79 | unsigned int sg_len; |
| 80 | struct mmc_test_mem *mem; |
| 81 | struct scatterlist *sg; |
| 82 | }; |
| 83 | |
| 84 | /** |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 85 | * struct mmc_test_transfer_result - transfer results for performance tests. |
| 86 | * @link: double-linked list |
| 87 | * @count: amount of group of sectors to check |
| 88 | * @sectors: amount of sectors to check in one group |
| 89 | * @ts: time values of transfer |
| 90 | * @rate: calculated transfer rate |
| 91 | */ |
| 92 | struct mmc_test_transfer_result { |
| 93 | struct list_head link; |
| 94 | unsigned int count; |
| 95 | unsigned int sectors; |
| 96 | struct timespec ts; |
| 97 | unsigned int rate; |
| 98 | }; |
| 99 | |
| 100 | /** |
| 101 | * struct mmc_test_general_result - results for tests. |
| 102 | * @link: double-linked list |
| 103 | * @card: card under test |
| 104 | * @testcase: number of test case |
| 105 | * @result: result of test run |
| 106 | * @tr_lst: transfer measurements if any as mmc_test_transfer_result |
| 107 | */ |
| 108 | struct mmc_test_general_result { |
| 109 | struct list_head link; |
| 110 | struct mmc_card *card; |
| 111 | int testcase; |
| 112 | int result; |
| 113 | struct list_head tr_lst; |
| 114 | }; |
| 115 | |
| 116 | /** |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 117 | * struct mmc_test_dbgfs_file - debugfs related file. |
| 118 | * @link: double-linked list |
| 119 | * @card: card under test |
| 120 | * @file: file created under debugfs |
| 121 | */ |
| 122 | struct mmc_test_dbgfs_file { |
| 123 | struct list_head link; |
| 124 | struct mmc_card *card; |
| 125 | struct dentry *file; |
| 126 | }; |
| 127 | |
| 128 | /** |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 129 | * struct mmc_test_card - test information. |
| 130 | * @card: card under test |
| 131 | * @scratch: transfer buffer |
| 132 | * @buffer: transfer buffer |
| 133 | * @highmem: buffer for highmem tests |
| 134 | * @area: information for performance tests |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 135 | * @gr: pointer to results of current testcase |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 136 | */ |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 137 | struct mmc_test_card { |
| 138 | struct mmc_card *card; |
| 139 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 140 | u8 scratch[BUFFER_SIZE]; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 141 | u8 *buffer; |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 142 | #ifdef CONFIG_HIGHMEM |
| 143 | struct page *highmem; |
| 144 | #endif |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 145 | struct mmc_test_area area; |
| 146 | struct mmc_test_general_result *gr; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 147 | }; |
| 148 | |
| 149 | /*******************************************************************/ |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 150 | /* General helper functions */ |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 151 | /*******************************************************************/ |
| 152 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 153 | /* |
| 154 | * Configure correct block size in card |
| 155 | */ |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 156 | static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size) |
| 157 | { |
Adrian Hunter | 0f8d8ea | 2010-08-24 13:20:26 +0300 | [diff] [blame] | 158 | return mmc_set_blocklen(test->card, size); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 159 | } |
| 160 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 161 | /* |
| 162 | * Fill in the mmc_request structure given a set of transfer parameters. |
| 163 | */ |
| 164 | static void mmc_test_prepare_mrq(struct mmc_test_card *test, |
| 165 | struct mmc_request *mrq, struct scatterlist *sg, unsigned sg_len, |
| 166 | unsigned dev_addr, unsigned blocks, unsigned blksz, int write) |
| 167 | { |
| 168 | BUG_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop); |
| 169 | |
| 170 | if (blocks > 1) { |
| 171 | mrq->cmd->opcode = write ? |
| 172 | MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK; |
| 173 | } else { |
| 174 | mrq->cmd->opcode = write ? |
| 175 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; |
| 176 | } |
| 177 | |
| 178 | mrq->cmd->arg = dev_addr; |
Johan Kristell | c286d03 | 2010-02-10 13:56:34 -0800 | [diff] [blame] | 179 | if (!mmc_card_blockaddr(test->card)) |
| 180 | mrq->cmd->arg <<= 9; |
| 181 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 182 | mrq->cmd->flags = MMC_RSP_R1 | MMC_CMD_ADTC; |
| 183 | |
| 184 | if (blocks == 1) |
| 185 | mrq->stop = NULL; |
| 186 | else { |
| 187 | mrq->stop->opcode = MMC_STOP_TRANSMISSION; |
| 188 | mrq->stop->arg = 0; |
| 189 | mrq->stop->flags = MMC_RSP_R1B | MMC_CMD_AC; |
| 190 | } |
| 191 | |
| 192 | mrq->data->blksz = blksz; |
| 193 | mrq->data->blocks = blocks; |
| 194 | mrq->data->flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; |
| 195 | mrq->data->sg = sg; |
| 196 | mrq->data->sg_len = sg_len; |
| 197 | |
| 198 | mmc_set_data_timeout(mrq->data, test->card); |
| 199 | } |
| 200 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 201 | static int mmc_test_busy(struct mmc_command *cmd) |
| 202 | { |
| 203 | return !(cmd->resp[0] & R1_READY_FOR_DATA) || |
| 204 | (R1_CURRENT_STATE(cmd->resp[0]) == 7); |
| 205 | } |
| 206 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 207 | /* |
| 208 | * Wait for the card to finish the busy state |
| 209 | */ |
| 210 | static int mmc_test_wait_busy(struct mmc_test_card *test) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 211 | { |
| 212 | int ret, busy; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 213 | struct mmc_command cmd; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 214 | |
| 215 | busy = 0; |
| 216 | do { |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 217 | memset(&cmd, 0, sizeof(struct mmc_command)); |
| 218 | |
| 219 | cmd.opcode = MMC_SEND_STATUS; |
| 220 | cmd.arg = test->card->rca << 16; |
| 221 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; |
| 222 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 223 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); |
| 224 | if (ret) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 225 | break; |
| 226 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 227 | if (!busy && mmc_test_busy(&cmd)) { |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 228 | busy = 1; |
Pawel Moll | 54d6b44 | 2011-02-06 15:06:24 -0500 | [diff] [blame^] | 229 | if (test->card->host->caps & MMC_CAP_WAIT_WHILE_BUSY) |
| 230 | printk(KERN_INFO "%s: Warning: Host did not " |
| 231 | "wait for busy state to end.\n", |
| 232 | mmc_hostname(test->card->host)); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 233 | } |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 234 | } while (mmc_test_busy(&cmd)); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 235 | |
| 236 | return ret; |
| 237 | } |
| 238 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 239 | /* |
| 240 | * Transfer a single sector of kernel addressable data |
| 241 | */ |
| 242 | static int mmc_test_buffer_transfer(struct mmc_test_card *test, |
| 243 | u8 *buffer, unsigned addr, unsigned blksz, int write) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 244 | { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 245 | int ret; |
| 246 | |
| 247 | struct mmc_request mrq; |
| 248 | struct mmc_command cmd; |
| 249 | struct mmc_command stop; |
| 250 | struct mmc_data data; |
| 251 | |
| 252 | struct scatterlist sg; |
| 253 | |
| 254 | memset(&mrq, 0, sizeof(struct mmc_request)); |
| 255 | memset(&cmd, 0, sizeof(struct mmc_command)); |
| 256 | memset(&data, 0, sizeof(struct mmc_data)); |
| 257 | memset(&stop, 0, sizeof(struct mmc_command)); |
| 258 | |
| 259 | mrq.cmd = &cmd; |
| 260 | mrq.data = &data; |
| 261 | mrq.stop = &stop; |
| 262 | |
| 263 | sg_init_one(&sg, buffer, blksz); |
| 264 | |
| 265 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write); |
| 266 | |
| 267 | mmc_wait_for_req(test->card->host, &mrq); |
| 268 | |
| 269 | if (cmd.error) |
| 270 | return cmd.error; |
| 271 | if (data.error) |
| 272 | return data.error; |
| 273 | |
| 274 | ret = mmc_test_wait_busy(test); |
| 275 | if (ret) |
| 276 | return ret; |
| 277 | |
| 278 | return 0; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 279 | } |
| 280 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 281 | static void mmc_test_free_mem(struct mmc_test_mem *mem) |
| 282 | { |
| 283 | if (!mem) |
| 284 | return; |
| 285 | while (mem->cnt--) |
| 286 | __free_pages(mem->arr[mem->cnt].page, |
| 287 | mem->arr[mem->cnt].order); |
| 288 | kfree(mem->arr); |
| 289 | kfree(mem); |
| 290 | } |
| 291 | |
| 292 | /* |
| 293 | * Allocate a lot of memory, preferrably max_sz but at least min_sz. In case |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 294 | * there isn't much memory do not exceed 1/16th total lowmem pages. Also do |
| 295 | * not exceed a maximum number of segments and try not to make segments much |
| 296 | * bigger than maximum segment size. |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 297 | */ |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 298 | static struct mmc_test_mem *mmc_test_alloc_mem(unsigned long min_sz, |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 299 | unsigned long max_sz, |
| 300 | unsigned int max_segs, |
| 301 | unsigned int max_seg_sz) |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 302 | { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 303 | unsigned long max_page_cnt = DIV_ROUND_UP(max_sz, PAGE_SIZE); |
| 304 | unsigned long min_page_cnt = DIV_ROUND_UP(min_sz, PAGE_SIZE); |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 305 | unsigned long max_seg_page_cnt = DIV_ROUND_UP(max_seg_sz, PAGE_SIZE); |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 306 | unsigned long page_cnt = 0; |
| 307 | unsigned long limit = nr_free_buffer_pages() >> 4; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 308 | struct mmc_test_mem *mem; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 309 | |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 310 | if (max_page_cnt > limit) |
| 311 | max_page_cnt = limit; |
Adrian Hunter | 3d203be | 2010-09-23 14:51:29 +0300 | [diff] [blame] | 312 | if (min_page_cnt > max_page_cnt) |
| 313 | min_page_cnt = max_page_cnt; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 314 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 315 | if (max_seg_page_cnt > max_page_cnt) |
| 316 | max_seg_page_cnt = max_page_cnt; |
| 317 | |
| 318 | if (max_segs > max_page_cnt) |
| 319 | max_segs = max_page_cnt; |
| 320 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 321 | mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL); |
| 322 | if (!mem) |
| 323 | return NULL; |
| 324 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 325 | mem->arr = kzalloc(sizeof(struct mmc_test_pages) * max_segs, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 326 | GFP_KERNEL); |
| 327 | if (!mem->arr) |
| 328 | goto out_free; |
| 329 | |
| 330 | while (max_page_cnt) { |
| 331 | struct page *page; |
| 332 | unsigned int order; |
| 333 | gfp_t flags = GFP_KERNEL | GFP_DMA | __GFP_NOWARN | |
| 334 | __GFP_NORETRY; |
| 335 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 336 | order = get_order(max_seg_page_cnt << PAGE_SHIFT); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 337 | while (1) { |
| 338 | page = alloc_pages(flags, order); |
| 339 | if (page || !order) |
| 340 | break; |
| 341 | order -= 1; |
| 342 | } |
| 343 | if (!page) { |
| 344 | if (page_cnt < min_page_cnt) |
| 345 | goto out_free; |
| 346 | break; |
| 347 | } |
| 348 | mem->arr[mem->cnt].page = page; |
| 349 | mem->arr[mem->cnt].order = order; |
| 350 | mem->cnt += 1; |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 351 | if (max_page_cnt <= (1UL << order)) |
| 352 | break; |
Adrian Hunter | 3d203be | 2010-09-23 14:51:29 +0300 | [diff] [blame] | 353 | max_page_cnt -= 1UL << order; |
| 354 | page_cnt += 1UL << order; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 355 | if (mem->cnt >= max_segs) { |
| 356 | if (page_cnt < min_page_cnt) |
| 357 | goto out_free; |
| 358 | break; |
| 359 | } |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 360 | } |
| 361 | |
| 362 | return mem; |
| 363 | |
| 364 | out_free: |
| 365 | mmc_test_free_mem(mem); |
| 366 | return NULL; |
| 367 | } |
| 368 | |
| 369 | /* |
| 370 | * Map memory into a scatterlist. Optionally allow the same memory to be |
| 371 | * mapped more than once. |
| 372 | */ |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 373 | static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long sz, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 374 | struct scatterlist *sglist, int repeat, |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 375 | unsigned int max_segs, unsigned int max_seg_sz, |
| 376 | unsigned int *sg_len) |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 377 | { |
| 378 | struct scatterlist *sg = NULL; |
| 379 | unsigned int i; |
| 380 | |
| 381 | sg_init_table(sglist, max_segs); |
| 382 | |
| 383 | *sg_len = 0; |
| 384 | do { |
| 385 | for (i = 0; i < mem->cnt; i++) { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 386 | unsigned long len = PAGE_SIZE << mem->arr[i].order; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 387 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 388 | if (len > sz) |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 389 | len = sz; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 390 | if (len > max_seg_sz) |
| 391 | len = max_seg_sz; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 392 | if (sg) |
| 393 | sg = sg_next(sg); |
| 394 | else |
| 395 | sg = sglist; |
| 396 | if (!sg) |
| 397 | return -EINVAL; |
| 398 | sg_set_page(sg, mem->arr[i].page, len, 0); |
| 399 | sz -= len; |
| 400 | *sg_len += 1; |
| 401 | if (!sz) |
| 402 | break; |
| 403 | } |
| 404 | } while (sz && repeat); |
| 405 | |
| 406 | if (sz) |
| 407 | return -EINVAL; |
| 408 | |
| 409 | if (sg) |
| 410 | sg_mark_end(sg); |
| 411 | |
| 412 | return 0; |
| 413 | } |
| 414 | |
| 415 | /* |
| 416 | * Map memory into a scatterlist so that no pages are contiguous. Allow the |
| 417 | * same memory to be mapped more than once. |
| 418 | */ |
| 419 | static int mmc_test_map_sg_max_scatter(struct mmc_test_mem *mem, |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 420 | unsigned long sz, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 421 | struct scatterlist *sglist, |
| 422 | unsigned int max_segs, |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 423 | unsigned int max_seg_sz, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 424 | unsigned int *sg_len) |
| 425 | { |
| 426 | struct scatterlist *sg = NULL; |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 427 | unsigned int i = mem->cnt, cnt; |
| 428 | unsigned long len; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 429 | void *base, *addr, *last_addr = NULL; |
| 430 | |
| 431 | sg_init_table(sglist, max_segs); |
| 432 | |
| 433 | *sg_len = 0; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 434 | while (sz) { |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 435 | base = page_address(mem->arr[--i].page); |
| 436 | cnt = 1 << mem->arr[i].order; |
| 437 | while (sz && cnt) { |
| 438 | addr = base + PAGE_SIZE * --cnt; |
| 439 | if (last_addr && last_addr + PAGE_SIZE == addr) |
| 440 | continue; |
| 441 | last_addr = addr; |
| 442 | len = PAGE_SIZE; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 443 | if (len > max_seg_sz) |
| 444 | len = max_seg_sz; |
| 445 | if (len > sz) |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 446 | len = sz; |
| 447 | if (sg) |
| 448 | sg = sg_next(sg); |
| 449 | else |
| 450 | sg = sglist; |
| 451 | if (!sg) |
| 452 | return -EINVAL; |
| 453 | sg_set_page(sg, virt_to_page(addr), len, 0); |
| 454 | sz -= len; |
| 455 | *sg_len += 1; |
| 456 | } |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 457 | if (i == 0) |
| 458 | i = mem->cnt; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 459 | } |
| 460 | |
| 461 | if (sg) |
| 462 | sg_mark_end(sg); |
| 463 | |
| 464 | return 0; |
| 465 | } |
| 466 | |
| 467 | /* |
| 468 | * Calculate transfer rate in bytes per second. |
| 469 | */ |
| 470 | static unsigned int mmc_test_rate(uint64_t bytes, struct timespec *ts) |
| 471 | { |
| 472 | uint64_t ns; |
| 473 | |
| 474 | ns = ts->tv_sec; |
| 475 | ns *= 1000000000; |
| 476 | ns += ts->tv_nsec; |
| 477 | |
| 478 | bytes *= 1000000000; |
| 479 | |
| 480 | while (ns > UINT_MAX) { |
| 481 | bytes >>= 1; |
| 482 | ns >>= 1; |
| 483 | } |
| 484 | |
| 485 | if (!ns) |
| 486 | return 0; |
| 487 | |
| 488 | do_div(bytes, (uint32_t)ns); |
| 489 | |
| 490 | return bytes; |
| 491 | } |
| 492 | |
| 493 | /* |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 494 | * Save transfer results for future usage |
| 495 | */ |
| 496 | static void mmc_test_save_transfer_result(struct mmc_test_card *test, |
| 497 | unsigned int count, unsigned int sectors, struct timespec ts, |
| 498 | unsigned int rate) |
| 499 | { |
| 500 | struct mmc_test_transfer_result *tr; |
| 501 | |
| 502 | if (!test->gr) |
| 503 | return; |
| 504 | |
| 505 | tr = kmalloc(sizeof(struct mmc_test_transfer_result), GFP_KERNEL); |
| 506 | if (!tr) |
| 507 | return; |
| 508 | |
| 509 | tr->count = count; |
| 510 | tr->sectors = sectors; |
| 511 | tr->ts = ts; |
| 512 | tr->rate = rate; |
| 513 | |
| 514 | list_add_tail(&tr->link, &test->gr->tr_lst); |
| 515 | } |
| 516 | |
| 517 | /* |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 518 | * Print the transfer rate. |
| 519 | */ |
| 520 | static void mmc_test_print_rate(struct mmc_test_card *test, uint64_t bytes, |
| 521 | struct timespec *ts1, struct timespec *ts2) |
| 522 | { |
| 523 | unsigned int rate, sectors = bytes >> 9; |
| 524 | struct timespec ts; |
| 525 | |
| 526 | ts = timespec_sub(*ts2, *ts1); |
| 527 | |
| 528 | rate = mmc_test_rate(bytes, &ts); |
| 529 | |
| 530 | printk(KERN_INFO "%s: Transfer of %u sectors (%u%s KiB) took %lu.%09lu " |
| 531 | "seconds (%u kB/s, %u KiB/s)\n", |
| 532 | mmc_hostname(test->card->host), sectors, sectors >> 1, |
Adrian Hunter | c27d37a | 2010-09-23 14:51:36 +0300 | [diff] [blame] | 533 | (sectors & 1 ? ".5" : ""), (unsigned long)ts.tv_sec, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 534 | (unsigned long)ts.tv_nsec, rate / 1000, rate / 1024); |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 535 | |
| 536 | mmc_test_save_transfer_result(test, 1, sectors, ts, rate); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 537 | } |
| 538 | |
| 539 | /* |
| 540 | * Print the average transfer rate. |
| 541 | */ |
| 542 | static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, |
| 543 | unsigned int count, struct timespec *ts1, |
| 544 | struct timespec *ts2) |
| 545 | { |
| 546 | unsigned int rate, sectors = bytes >> 9; |
| 547 | uint64_t tot = bytes * count; |
| 548 | struct timespec ts; |
| 549 | |
| 550 | ts = timespec_sub(*ts2, *ts1); |
| 551 | |
| 552 | rate = mmc_test_rate(tot, &ts); |
| 553 | |
| 554 | printk(KERN_INFO "%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " |
| 555 | "%lu.%09lu seconds (%u kB/s, %u KiB/s)\n", |
| 556 | mmc_hostname(test->card->host), count, sectors, count, |
Adrian Hunter | c27d37a | 2010-09-23 14:51:36 +0300 | [diff] [blame] | 557 | sectors >> 1, (sectors & 1 ? ".5" : ""), |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 558 | (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, |
| 559 | rate / 1000, rate / 1024); |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 560 | |
| 561 | mmc_test_save_transfer_result(test, count, sectors, ts, rate); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 562 | } |
| 563 | |
| 564 | /* |
| 565 | * Return the card size in sectors. |
| 566 | */ |
| 567 | static unsigned int mmc_test_capacity(struct mmc_card *card) |
| 568 | { |
| 569 | if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) |
| 570 | return card->ext_csd.sectors; |
| 571 | else |
| 572 | return card->csd.capacity << (card->csd.read_blkbits - 9); |
| 573 | } |
| 574 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 575 | /*******************************************************************/ |
| 576 | /* Test preparation and cleanup */ |
| 577 | /*******************************************************************/ |
| 578 | |
| 579 | /* |
| 580 | * Fill the first couple of sectors of the card with known data |
| 581 | * so that bad reads/writes can be detected |
| 582 | */ |
| 583 | static int __mmc_test_prepare(struct mmc_test_card *test, int write) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 584 | { |
| 585 | int ret, i; |
| 586 | |
| 587 | ret = mmc_test_set_blksize(test, 512); |
| 588 | if (ret) |
| 589 | return ret; |
| 590 | |
| 591 | if (write) |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 592 | memset(test->buffer, 0xDF, 512); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 593 | else { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 594 | for (i = 0;i < 512;i++) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 595 | test->buffer[i] = i; |
| 596 | } |
| 597 | |
| 598 | for (i = 0;i < BUFFER_SIZE / 512;i++) { |
Johan Kristell | c286d03 | 2010-02-10 13:56:34 -0800 | [diff] [blame] | 599 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 600 | if (ret) |
| 601 | return ret; |
| 602 | } |
| 603 | |
| 604 | return 0; |
| 605 | } |
| 606 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 607 | static int mmc_test_prepare_write(struct mmc_test_card *test) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 608 | { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 609 | return __mmc_test_prepare(test, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 610 | } |
| 611 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 612 | static int mmc_test_prepare_read(struct mmc_test_card *test) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 613 | { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 614 | return __mmc_test_prepare(test, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 615 | } |
| 616 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 617 | static int mmc_test_cleanup(struct mmc_test_card *test) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 618 | { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 619 | int ret, i; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 620 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 621 | ret = mmc_test_set_blksize(test, 512); |
| 622 | if (ret) |
| 623 | return ret; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 624 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 625 | memset(test->buffer, 0, 512); |
| 626 | |
| 627 | for (i = 0;i < BUFFER_SIZE / 512;i++) { |
Johan Kristell | c286d03 | 2010-02-10 13:56:34 -0800 | [diff] [blame] | 628 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 629 | if (ret) |
| 630 | return ret; |
| 631 | } |
| 632 | |
| 633 | return 0; |
| 634 | } |
| 635 | |
| 636 | /*******************************************************************/ |
| 637 | /* Test execution helpers */ |
| 638 | /*******************************************************************/ |
| 639 | |
| 640 | /* |
| 641 | * Modifies the mmc_request to perform the "short transfer" tests |
| 642 | */ |
| 643 | static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, |
| 644 | struct mmc_request *mrq, int write) |
| 645 | { |
| 646 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); |
| 647 | |
| 648 | if (mrq->data->blocks > 1) { |
| 649 | mrq->cmd->opcode = write ? |
| 650 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; |
| 651 | mrq->stop = NULL; |
| 652 | } else { |
| 653 | mrq->cmd->opcode = MMC_SEND_STATUS; |
| 654 | mrq->cmd->arg = test->card->rca << 16; |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | /* |
| 659 | * Checks that a normal transfer didn't have any errors |
| 660 | */ |
| 661 | static int mmc_test_check_result(struct mmc_test_card *test, |
| 662 | struct mmc_request *mrq) |
| 663 | { |
| 664 | int ret; |
| 665 | |
| 666 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); |
| 667 | |
| 668 | ret = 0; |
| 669 | |
| 670 | if (!ret && mrq->cmd->error) |
| 671 | ret = mrq->cmd->error; |
| 672 | if (!ret && mrq->data->error) |
| 673 | ret = mrq->data->error; |
| 674 | if (!ret && mrq->stop && mrq->stop->error) |
| 675 | ret = mrq->stop->error; |
| 676 | if (!ret && mrq->data->bytes_xfered != |
| 677 | mrq->data->blocks * mrq->data->blksz) |
| 678 | ret = RESULT_FAIL; |
| 679 | |
| 680 | if (ret == -EINVAL) |
| 681 | ret = RESULT_UNSUP_HOST; |
| 682 | |
| 683 | return ret; |
| 684 | } |
| 685 | |
| 686 | /* |
| 687 | * Checks that a "short transfer" behaved as expected |
| 688 | */ |
| 689 | static int mmc_test_check_broken_result(struct mmc_test_card *test, |
| 690 | struct mmc_request *mrq) |
| 691 | { |
| 692 | int ret; |
| 693 | |
| 694 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); |
| 695 | |
| 696 | ret = 0; |
| 697 | |
| 698 | if (!ret && mrq->cmd->error) |
| 699 | ret = mrq->cmd->error; |
| 700 | if (!ret && mrq->data->error == 0) |
| 701 | ret = RESULT_FAIL; |
| 702 | if (!ret && mrq->data->error != -ETIMEDOUT) |
| 703 | ret = mrq->data->error; |
| 704 | if (!ret && mrq->stop && mrq->stop->error) |
| 705 | ret = mrq->stop->error; |
| 706 | if (mrq->data->blocks > 1) { |
| 707 | if (!ret && mrq->data->bytes_xfered > mrq->data->blksz) |
| 708 | ret = RESULT_FAIL; |
| 709 | } else { |
| 710 | if (!ret && mrq->data->bytes_xfered > 0) |
| 711 | ret = RESULT_FAIL; |
| 712 | } |
| 713 | |
| 714 | if (ret == -EINVAL) |
| 715 | ret = RESULT_UNSUP_HOST; |
| 716 | |
| 717 | return ret; |
| 718 | } |
| 719 | |
| 720 | /* |
| 721 | * Tests a basic transfer with certain parameters |
| 722 | */ |
| 723 | static int mmc_test_simple_transfer(struct mmc_test_card *test, |
| 724 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, |
| 725 | unsigned blocks, unsigned blksz, int write) |
| 726 | { |
| 727 | struct mmc_request mrq; |
| 728 | struct mmc_command cmd; |
| 729 | struct mmc_command stop; |
| 730 | struct mmc_data data; |
| 731 | |
| 732 | memset(&mrq, 0, sizeof(struct mmc_request)); |
| 733 | memset(&cmd, 0, sizeof(struct mmc_command)); |
| 734 | memset(&data, 0, sizeof(struct mmc_data)); |
| 735 | memset(&stop, 0, sizeof(struct mmc_command)); |
| 736 | |
| 737 | mrq.cmd = &cmd; |
| 738 | mrq.data = &data; |
| 739 | mrq.stop = &stop; |
| 740 | |
| 741 | mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr, |
| 742 | blocks, blksz, write); |
| 743 | |
| 744 | mmc_wait_for_req(test->card->host, &mrq); |
| 745 | |
| 746 | mmc_test_wait_busy(test); |
| 747 | |
| 748 | return mmc_test_check_result(test, &mrq); |
| 749 | } |
| 750 | |
| 751 | /* |
| 752 | * Tests a transfer where the card will fail completely or partly |
| 753 | */ |
| 754 | static int mmc_test_broken_transfer(struct mmc_test_card *test, |
| 755 | unsigned blocks, unsigned blksz, int write) |
| 756 | { |
| 757 | struct mmc_request mrq; |
| 758 | struct mmc_command cmd; |
| 759 | struct mmc_command stop; |
| 760 | struct mmc_data data; |
| 761 | |
| 762 | struct scatterlist sg; |
| 763 | |
| 764 | memset(&mrq, 0, sizeof(struct mmc_request)); |
| 765 | memset(&cmd, 0, sizeof(struct mmc_command)); |
| 766 | memset(&data, 0, sizeof(struct mmc_data)); |
| 767 | memset(&stop, 0, sizeof(struct mmc_command)); |
| 768 | |
| 769 | mrq.cmd = &cmd; |
| 770 | mrq.data = &data; |
| 771 | mrq.stop = &stop; |
| 772 | |
| 773 | sg_init_one(&sg, test->buffer, blocks * blksz); |
| 774 | |
| 775 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write); |
| 776 | mmc_test_prepare_broken_mrq(test, &mrq, write); |
| 777 | |
| 778 | mmc_wait_for_req(test->card->host, &mrq); |
| 779 | |
| 780 | mmc_test_wait_busy(test); |
| 781 | |
| 782 | return mmc_test_check_broken_result(test, &mrq); |
| 783 | } |
| 784 | |
| 785 | /* |
| 786 | * Does a complete transfer test where data is also validated |
| 787 | * |
| 788 | * Note: mmc_test_prepare() must have been done before this call |
| 789 | */ |
| 790 | static int mmc_test_transfer(struct mmc_test_card *test, |
| 791 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, |
| 792 | unsigned blocks, unsigned blksz, int write) |
| 793 | { |
| 794 | int ret, i; |
| 795 | unsigned long flags; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 796 | |
| 797 | if (write) { |
| 798 | for (i = 0;i < blocks * blksz;i++) |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 799 | test->scratch[i] = i; |
| 800 | } else { |
Pierre Ossman | b7ac2cf | 2008-07-29 01:05:22 +0200 | [diff] [blame] | 801 | memset(test->scratch, 0, BUFFER_SIZE); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 802 | } |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 803 | local_irq_save(flags); |
Pierre Ossman | b7ac2cf | 2008-07-29 01:05:22 +0200 | [diff] [blame] | 804 | sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 805 | local_irq_restore(flags); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 806 | |
| 807 | ret = mmc_test_set_blksize(test, blksz); |
| 808 | if (ret) |
| 809 | return ret; |
| 810 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 811 | ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr, |
| 812 | blocks, blksz, write); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 813 | if (ret) |
| 814 | return ret; |
| 815 | |
| 816 | if (write) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 817 | int sectors; |
| 818 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 819 | ret = mmc_test_set_blksize(test, 512); |
| 820 | if (ret) |
| 821 | return ret; |
| 822 | |
| 823 | sectors = (blocks * blksz + 511) / 512; |
| 824 | if ((sectors * 512) == (blocks * blksz)) |
| 825 | sectors++; |
| 826 | |
| 827 | if ((sectors * 512) > BUFFER_SIZE) |
| 828 | return -EINVAL; |
| 829 | |
| 830 | memset(test->buffer, 0, sectors * 512); |
| 831 | |
| 832 | for (i = 0;i < sectors;i++) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 833 | ret = mmc_test_buffer_transfer(test, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 834 | test->buffer + i * 512, |
Johan Kristell | c286d03 | 2010-02-10 13:56:34 -0800 | [diff] [blame] | 835 | dev_addr + i, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 836 | if (ret) |
| 837 | return ret; |
| 838 | } |
| 839 | |
| 840 | for (i = 0;i < blocks * blksz;i++) { |
| 841 | if (test->buffer[i] != (u8)i) |
| 842 | return RESULT_FAIL; |
| 843 | } |
| 844 | |
| 845 | for (;i < sectors * 512;i++) { |
| 846 | if (test->buffer[i] != 0xDF) |
| 847 | return RESULT_FAIL; |
| 848 | } |
| 849 | } else { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 850 | local_irq_save(flags); |
Pierre Ossman | b7ac2cf | 2008-07-29 01:05:22 +0200 | [diff] [blame] | 851 | sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 852 | local_irq_restore(flags); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 853 | for (i = 0;i < blocks * blksz;i++) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 854 | if (test->scratch[i] != (u8)i) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 855 | return RESULT_FAIL; |
| 856 | } |
| 857 | } |
| 858 | |
| 859 | return 0; |
| 860 | } |
| 861 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 862 | /*******************************************************************/ |
| 863 | /* Tests */ |
| 864 | /*******************************************************************/ |
| 865 | |
| 866 | struct mmc_test_case { |
| 867 | const char *name; |
| 868 | |
| 869 | int (*prepare)(struct mmc_test_card *); |
| 870 | int (*run)(struct mmc_test_card *); |
| 871 | int (*cleanup)(struct mmc_test_card *); |
| 872 | }; |
| 873 | |
| 874 | static int mmc_test_basic_write(struct mmc_test_card *test) |
| 875 | { |
| 876 | int ret; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 877 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 878 | |
| 879 | ret = mmc_test_set_blksize(test, 512); |
| 880 | if (ret) |
| 881 | return ret; |
| 882 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 883 | sg_init_one(&sg, test->buffer, 512); |
| 884 | |
| 885 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 886 | if (ret) |
| 887 | return ret; |
| 888 | |
| 889 | return 0; |
| 890 | } |
| 891 | |
| 892 | static int mmc_test_basic_read(struct mmc_test_card *test) |
| 893 | { |
| 894 | int ret; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 895 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 896 | |
| 897 | ret = mmc_test_set_blksize(test, 512); |
| 898 | if (ret) |
| 899 | return ret; |
| 900 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 901 | sg_init_one(&sg, test->buffer, 512); |
| 902 | |
Rabin Vincent | 58a5dd3 | 2009-02-13 22:55:26 +0530 | [diff] [blame] | 903 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 904 | if (ret) |
| 905 | return ret; |
| 906 | |
| 907 | return 0; |
| 908 | } |
| 909 | |
| 910 | static int mmc_test_verify_write(struct mmc_test_card *test) |
| 911 | { |
| 912 | int ret; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 913 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 914 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 915 | sg_init_one(&sg, test->buffer, 512); |
| 916 | |
| 917 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 918 | if (ret) |
| 919 | return ret; |
| 920 | |
| 921 | return 0; |
| 922 | } |
| 923 | |
| 924 | static int mmc_test_verify_read(struct mmc_test_card *test) |
| 925 | { |
| 926 | int ret; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 927 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 928 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 929 | sg_init_one(&sg, test->buffer, 512); |
| 930 | |
| 931 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 932 | if (ret) |
| 933 | return ret; |
| 934 | |
| 935 | return 0; |
| 936 | } |
| 937 | |
| 938 | static int mmc_test_multi_write(struct mmc_test_card *test) |
| 939 | { |
| 940 | int ret; |
| 941 | unsigned int size; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 942 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 943 | |
| 944 | if (test->card->host->max_blk_count == 1) |
| 945 | return RESULT_UNSUP_HOST; |
| 946 | |
| 947 | size = PAGE_SIZE * 2; |
| 948 | size = min(size, test->card->host->max_req_size); |
| 949 | size = min(size, test->card->host->max_seg_size); |
| 950 | size = min(size, test->card->host->max_blk_count * 512); |
| 951 | |
| 952 | if (size < 1024) |
| 953 | return RESULT_UNSUP_HOST; |
| 954 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 955 | sg_init_one(&sg, test->buffer, size); |
| 956 | |
| 957 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 958 | if (ret) |
| 959 | return ret; |
| 960 | |
| 961 | return 0; |
| 962 | } |
| 963 | |
| 964 | static int mmc_test_multi_read(struct mmc_test_card *test) |
| 965 | { |
| 966 | int ret; |
| 967 | unsigned int size; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 968 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 969 | |
| 970 | if (test->card->host->max_blk_count == 1) |
| 971 | return RESULT_UNSUP_HOST; |
| 972 | |
| 973 | size = PAGE_SIZE * 2; |
| 974 | size = min(size, test->card->host->max_req_size); |
| 975 | size = min(size, test->card->host->max_seg_size); |
| 976 | size = min(size, test->card->host->max_blk_count * 512); |
| 977 | |
| 978 | if (size < 1024) |
| 979 | return RESULT_UNSUP_HOST; |
| 980 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 981 | sg_init_one(&sg, test->buffer, size); |
| 982 | |
| 983 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 984 | if (ret) |
| 985 | return ret; |
| 986 | |
| 987 | return 0; |
| 988 | } |
| 989 | |
| 990 | static int mmc_test_pow2_write(struct mmc_test_card *test) |
| 991 | { |
| 992 | int ret, i; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 993 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 994 | |
| 995 | if (!test->card->csd.write_partial) |
| 996 | return RESULT_UNSUP_CARD; |
| 997 | |
| 998 | for (i = 1; i < 512;i <<= 1) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 999 | sg_init_one(&sg, test->buffer, i); |
| 1000 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1001 | if (ret) |
| 1002 | return ret; |
| 1003 | } |
| 1004 | |
| 1005 | return 0; |
| 1006 | } |
| 1007 | |
| 1008 | static int mmc_test_pow2_read(struct mmc_test_card *test) |
| 1009 | { |
| 1010 | int ret, i; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1011 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1012 | |
| 1013 | if (!test->card->csd.read_partial) |
| 1014 | return RESULT_UNSUP_CARD; |
| 1015 | |
| 1016 | for (i = 1; i < 512;i <<= 1) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1017 | sg_init_one(&sg, test->buffer, i); |
| 1018 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1019 | if (ret) |
| 1020 | return ret; |
| 1021 | } |
| 1022 | |
| 1023 | return 0; |
| 1024 | } |
| 1025 | |
| 1026 | static int mmc_test_weird_write(struct mmc_test_card *test) |
| 1027 | { |
| 1028 | int ret, i; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1029 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1030 | |
| 1031 | if (!test->card->csd.write_partial) |
| 1032 | return RESULT_UNSUP_CARD; |
| 1033 | |
| 1034 | for (i = 3; i < 512;i += 7) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1035 | sg_init_one(&sg, test->buffer, i); |
| 1036 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1037 | if (ret) |
| 1038 | return ret; |
| 1039 | } |
| 1040 | |
| 1041 | return 0; |
| 1042 | } |
| 1043 | |
| 1044 | static int mmc_test_weird_read(struct mmc_test_card *test) |
| 1045 | { |
| 1046 | int ret, i; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1047 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1048 | |
| 1049 | if (!test->card->csd.read_partial) |
| 1050 | return RESULT_UNSUP_CARD; |
| 1051 | |
| 1052 | for (i = 3; i < 512;i += 7) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1053 | sg_init_one(&sg, test->buffer, i); |
| 1054 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1055 | if (ret) |
| 1056 | return ret; |
| 1057 | } |
| 1058 | |
| 1059 | return 0; |
| 1060 | } |
| 1061 | |
| 1062 | static int mmc_test_align_write(struct mmc_test_card *test) |
| 1063 | { |
| 1064 | int ret, i; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1065 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1066 | |
| 1067 | for (i = 1;i < 4;i++) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1068 | sg_init_one(&sg, test->buffer + i, 512); |
| 1069 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1070 | if (ret) |
| 1071 | return ret; |
| 1072 | } |
| 1073 | |
| 1074 | return 0; |
| 1075 | } |
| 1076 | |
| 1077 | static int mmc_test_align_read(struct mmc_test_card *test) |
| 1078 | { |
| 1079 | int ret, i; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1080 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1081 | |
| 1082 | for (i = 1;i < 4;i++) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1083 | sg_init_one(&sg, test->buffer + i, 512); |
| 1084 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1085 | if (ret) |
| 1086 | return ret; |
| 1087 | } |
| 1088 | |
| 1089 | return 0; |
| 1090 | } |
| 1091 | |
| 1092 | static int mmc_test_align_multi_write(struct mmc_test_card *test) |
| 1093 | { |
| 1094 | int ret, i; |
| 1095 | unsigned int size; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1096 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1097 | |
| 1098 | if (test->card->host->max_blk_count == 1) |
| 1099 | return RESULT_UNSUP_HOST; |
| 1100 | |
| 1101 | size = PAGE_SIZE * 2; |
| 1102 | size = min(size, test->card->host->max_req_size); |
| 1103 | size = min(size, test->card->host->max_seg_size); |
| 1104 | size = min(size, test->card->host->max_blk_count * 512); |
| 1105 | |
| 1106 | if (size < 1024) |
| 1107 | return RESULT_UNSUP_HOST; |
| 1108 | |
| 1109 | for (i = 1;i < 4;i++) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1110 | sg_init_one(&sg, test->buffer + i, size); |
| 1111 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1112 | if (ret) |
| 1113 | return ret; |
| 1114 | } |
| 1115 | |
| 1116 | return 0; |
| 1117 | } |
| 1118 | |
| 1119 | static int mmc_test_align_multi_read(struct mmc_test_card *test) |
| 1120 | { |
| 1121 | int ret, i; |
| 1122 | unsigned int size; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1123 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1124 | |
| 1125 | if (test->card->host->max_blk_count == 1) |
| 1126 | return RESULT_UNSUP_HOST; |
| 1127 | |
| 1128 | size = PAGE_SIZE * 2; |
| 1129 | size = min(size, test->card->host->max_req_size); |
| 1130 | size = min(size, test->card->host->max_seg_size); |
| 1131 | size = min(size, test->card->host->max_blk_count * 512); |
| 1132 | |
| 1133 | if (size < 1024) |
| 1134 | return RESULT_UNSUP_HOST; |
| 1135 | |
| 1136 | for (i = 1;i < 4;i++) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1137 | sg_init_one(&sg, test->buffer + i, size); |
| 1138 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1139 | if (ret) |
| 1140 | return ret; |
| 1141 | } |
| 1142 | |
| 1143 | return 0; |
| 1144 | } |
| 1145 | |
| 1146 | static int mmc_test_xfersize_write(struct mmc_test_card *test) |
| 1147 | { |
| 1148 | int ret; |
| 1149 | |
| 1150 | ret = mmc_test_set_blksize(test, 512); |
| 1151 | if (ret) |
| 1152 | return ret; |
| 1153 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1154 | ret = mmc_test_broken_transfer(test, 1, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1155 | if (ret) |
| 1156 | return ret; |
| 1157 | |
| 1158 | return 0; |
| 1159 | } |
| 1160 | |
| 1161 | static int mmc_test_xfersize_read(struct mmc_test_card *test) |
| 1162 | { |
| 1163 | int ret; |
| 1164 | |
| 1165 | ret = mmc_test_set_blksize(test, 512); |
| 1166 | if (ret) |
| 1167 | return ret; |
| 1168 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1169 | ret = mmc_test_broken_transfer(test, 1, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1170 | if (ret) |
| 1171 | return ret; |
| 1172 | |
| 1173 | return 0; |
| 1174 | } |
| 1175 | |
| 1176 | static int mmc_test_multi_xfersize_write(struct mmc_test_card *test) |
| 1177 | { |
| 1178 | int ret; |
| 1179 | |
| 1180 | if (test->card->host->max_blk_count == 1) |
| 1181 | return RESULT_UNSUP_HOST; |
| 1182 | |
| 1183 | ret = mmc_test_set_blksize(test, 512); |
| 1184 | if (ret) |
| 1185 | return ret; |
| 1186 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1187 | ret = mmc_test_broken_transfer(test, 2, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1188 | if (ret) |
| 1189 | return ret; |
| 1190 | |
| 1191 | return 0; |
| 1192 | } |
| 1193 | |
| 1194 | static int mmc_test_multi_xfersize_read(struct mmc_test_card *test) |
| 1195 | { |
| 1196 | int ret; |
| 1197 | |
| 1198 | if (test->card->host->max_blk_count == 1) |
| 1199 | return RESULT_UNSUP_HOST; |
| 1200 | |
| 1201 | ret = mmc_test_set_blksize(test, 512); |
| 1202 | if (ret) |
| 1203 | return ret; |
| 1204 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1205 | ret = mmc_test_broken_transfer(test, 2, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1206 | if (ret) |
| 1207 | return ret; |
| 1208 | |
| 1209 | return 0; |
| 1210 | } |
| 1211 | |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 1212 | #ifdef CONFIG_HIGHMEM |
| 1213 | |
| 1214 | static int mmc_test_write_high(struct mmc_test_card *test) |
| 1215 | { |
| 1216 | int ret; |
| 1217 | struct scatterlist sg; |
| 1218 | |
| 1219 | sg_init_table(&sg, 1); |
| 1220 | sg_set_page(&sg, test->highmem, 512, 0); |
| 1221 | |
| 1222 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
| 1223 | if (ret) |
| 1224 | return ret; |
| 1225 | |
| 1226 | return 0; |
| 1227 | } |
| 1228 | |
| 1229 | static int mmc_test_read_high(struct mmc_test_card *test) |
| 1230 | { |
| 1231 | int ret; |
| 1232 | struct scatterlist sg; |
| 1233 | |
| 1234 | sg_init_table(&sg, 1); |
| 1235 | sg_set_page(&sg, test->highmem, 512, 0); |
| 1236 | |
| 1237 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
| 1238 | if (ret) |
| 1239 | return ret; |
| 1240 | |
| 1241 | return 0; |
| 1242 | } |
| 1243 | |
| 1244 | static int mmc_test_multi_write_high(struct mmc_test_card *test) |
| 1245 | { |
| 1246 | int ret; |
| 1247 | unsigned int size; |
| 1248 | struct scatterlist sg; |
| 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 | |
| 1261 | sg_init_table(&sg, 1); |
| 1262 | sg_set_page(&sg, test->highmem, size, 0); |
| 1263 | |
| 1264 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); |
| 1265 | if (ret) |
| 1266 | return ret; |
| 1267 | |
| 1268 | return 0; |
| 1269 | } |
| 1270 | |
| 1271 | static int mmc_test_multi_read_high(struct mmc_test_card *test) |
| 1272 | { |
| 1273 | int ret; |
| 1274 | unsigned int size; |
| 1275 | struct scatterlist sg; |
| 1276 | |
| 1277 | if (test->card->host->max_blk_count == 1) |
| 1278 | return RESULT_UNSUP_HOST; |
| 1279 | |
| 1280 | size = PAGE_SIZE * 2; |
| 1281 | size = min(size, test->card->host->max_req_size); |
| 1282 | size = min(size, test->card->host->max_seg_size); |
| 1283 | size = min(size, test->card->host->max_blk_count * 512); |
| 1284 | |
| 1285 | if (size < 1024) |
| 1286 | return RESULT_UNSUP_HOST; |
| 1287 | |
| 1288 | sg_init_table(&sg, 1); |
| 1289 | sg_set_page(&sg, test->highmem, size, 0); |
| 1290 | |
| 1291 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); |
| 1292 | if (ret) |
| 1293 | return ret; |
| 1294 | |
| 1295 | return 0; |
| 1296 | } |
| 1297 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1298 | #else |
| 1299 | |
| 1300 | static int mmc_test_no_highmem(struct mmc_test_card *test) |
| 1301 | { |
| 1302 | printk(KERN_INFO "%s: Highmem not configured - test skipped\n", |
| 1303 | mmc_hostname(test->card->host)); |
| 1304 | return 0; |
| 1305 | } |
| 1306 | |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 1307 | #endif /* CONFIG_HIGHMEM */ |
| 1308 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1309 | /* |
| 1310 | * Map sz bytes so that it can be transferred. |
| 1311 | */ |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1312 | static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1313 | int max_scatter) |
| 1314 | { |
| 1315 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1316 | int err; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1317 | |
| 1318 | t->blocks = sz >> 9; |
| 1319 | |
| 1320 | if (max_scatter) { |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1321 | err = mmc_test_map_sg_max_scatter(t->mem, sz, t->sg, |
| 1322 | t->max_segs, t->max_seg_sz, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1323 | &t->sg_len); |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1324 | } else { |
| 1325 | err = mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, |
| 1326 | t->max_seg_sz, &t->sg_len); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1327 | } |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1328 | if (err) |
| 1329 | printk(KERN_INFO "%s: Failed to map sg list\n", |
| 1330 | mmc_hostname(test->card->host)); |
| 1331 | return err; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1332 | } |
| 1333 | |
| 1334 | /* |
| 1335 | * Transfer bytes mapped by mmc_test_area_map(). |
| 1336 | */ |
| 1337 | static int mmc_test_area_transfer(struct mmc_test_card *test, |
| 1338 | unsigned int dev_addr, int write) |
| 1339 | { |
| 1340 | struct mmc_test_area *t = &test->area; |
| 1341 | |
| 1342 | return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr, |
| 1343 | t->blocks, 512, write); |
| 1344 | } |
| 1345 | |
| 1346 | /* |
| 1347 | * Map and transfer bytes. |
| 1348 | */ |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1349 | static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1350 | unsigned int dev_addr, int write, int max_scatter, |
| 1351 | int timed) |
| 1352 | { |
| 1353 | struct timespec ts1, ts2; |
| 1354 | int ret; |
| 1355 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1356 | /* |
| 1357 | * In the case of a maximally scattered transfer, the maximum transfer |
| 1358 | * size is further limited by using PAGE_SIZE segments. |
| 1359 | */ |
| 1360 | if (max_scatter) { |
| 1361 | struct mmc_test_area *t = &test->area; |
| 1362 | unsigned long max_tfr; |
| 1363 | |
| 1364 | if (t->max_seg_sz >= PAGE_SIZE) |
| 1365 | max_tfr = t->max_segs * PAGE_SIZE; |
| 1366 | else |
| 1367 | max_tfr = t->max_segs * t->max_seg_sz; |
| 1368 | if (sz > max_tfr) |
| 1369 | sz = max_tfr; |
| 1370 | } |
| 1371 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1372 | ret = mmc_test_area_map(test, sz, max_scatter); |
| 1373 | if (ret) |
| 1374 | return ret; |
| 1375 | |
| 1376 | if (timed) |
| 1377 | getnstimeofday(&ts1); |
| 1378 | |
| 1379 | ret = mmc_test_area_transfer(test, dev_addr, write); |
| 1380 | if (ret) |
| 1381 | return ret; |
| 1382 | |
| 1383 | if (timed) |
| 1384 | getnstimeofday(&ts2); |
| 1385 | |
| 1386 | if (timed) |
| 1387 | mmc_test_print_rate(test, sz, &ts1, &ts2); |
| 1388 | |
| 1389 | return 0; |
| 1390 | } |
| 1391 | |
| 1392 | /* |
| 1393 | * Write the test area entirely. |
| 1394 | */ |
| 1395 | static int mmc_test_area_fill(struct mmc_test_card *test) |
| 1396 | { |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1397 | return mmc_test_area_io(test, test->area.max_tfr, test->area.dev_addr, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1398 | 1, 0, 0); |
| 1399 | } |
| 1400 | |
| 1401 | /* |
| 1402 | * Erase the test area entirely. |
| 1403 | */ |
| 1404 | static int mmc_test_area_erase(struct mmc_test_card *test) |
| 1405 | { |
| 1406 | struct mmc_test_area *t = &test->area; |
| 1407 | |
| 1408 | if (!mmc_can_erase(test->card)) |
| 1409 | return 0; |
| 1410 | |
| 1411 | return mmc_erase(test->card, t->dev_addr, test->area.max_sz >> 9, |
| 1412 | MMC_ERASE_ARG); |
| 1413 | } |
| 1414 | |
| 1415 | /* |
| 1416 | * Cleanup struct mmc_test_area. |
| 1417 | */ |
| 1418 | static int mmc_test_area_cleanup(struct mmc_test_card *test) |
| 1419 | { |
| 1420 | struct mmc_test_area *t = &test->area; |
| 1421 | |
| 1422 | kfree(t->sg); |
| 1423 | mmc_test_free_mem(t->mem); |
| 1424 | |
| 1425 | return 0; |
| 1426 | } |
| 1427 | |
| 1428 | /* |
| 1429 | * Initialize an area for testing large transfers. The size of the area is the |
| 1430 | * preferred erase size which is a good size for optimal transfer speed. Note |
| 1431 | * that is typically 4MiB for modern cards. The test area is set to the middle |
| 1432 | * of the card because cards may have different charateristics at the front |
| 1433 | * (for FAT file system optimization). Optionally, the area is erased (if the |
| 1434 | * card supports it) which may improve write performance. Optionally, the area |
| 1435 | * is filled with data for subsequent read tests. |
| 1436 | */ |
| 1437 | static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill) |
| 1438 | { |
| 1439 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1440 | unsigned long min_sz = 64 * 1024; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1441 | int ret; |
| 1442 | |
| 1443 | ret = mmc_test_set_blksize(test, 512); |
| 1444 | if (ret) |
| 1445 | return ret; |
| 1446 | |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1447 | if (test->card->pref_erase > TEST_AREA_MAX_SIZE >> 9) |
| 1448 | t->max_sz = TEST_AREA_MAX_SIZE; |
| 1449 | else |
| 1450 | t->max_sz = (unsigned long)test->card->pref_erase << 9; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1451 | |
| 1452 | t->max_segs = test->card->host->max_segs; |
| 1453 | t->max_seg_sz = test->card->host->max_seg_size; |
| 1454 | |
| 1455 | t->max_tfr = t->max_sz; |
| 1456 | if (t->max_tfr >> 9 > test->card->host->max_blk_count) |
| 1457 | t->max_tfr = test->card->host->max_blk_count << 9; |
| 1458 | if (t->max_tfr > test->card->host->max_req_size) |
| 1459 | t->max_tfr = test->card->host->max_req_size; |
| 1460 | if (t->max_tfr / t->max_seg_sz > t->max_segs) |
| 1461 | t->max_tfr = t->max_segs * t->max_seg_sz; |
| 1462 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1463 | /* |
Adrian Hunter | 3d203be | 2010-09-23 14:51:29 +0300 | [diff] [blame] | 1464 | * Try to allocate enough memory for a max. sized transfer. Less is OK |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1465 | * because the same memory can be mapped into the scatterlist more than |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1466 | * once. Also, take into account the limits imposed on scatterlist |
| 1467 | * segments by the host driver. |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1468 | */ |
Adrian Hunter | 3d203be | 2010-09-23 14:51:29 +0300 | [diff] [blame] | 1469 | t->mem = mmc_test_alloc_mem(min_sz, t->max_tfr, t->max_segs, |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1470 | t->max_seg_sz); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1471 | if (!t->mem) |
| 1472 | return -ENOMEM; |
| 1473 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1474 | t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL); |
| 1475 | if (!t->sg) { |
| 1476 | ret = -ENOMEM; |
| 1477 | goto out_free; |
| 1478 | } |
| 1479 | |
| 1480 | t->dev_addr = mmc_test_capacity(test->card) / 2; |
| 1481 | t->dev_addr -= t->dev_addr % (t->max_sz >> 9); |
| 1482 | |
| 1483 | if (erase) { |
| 1484 | ret = mmc_test_area_erase(test); |
| 1485 | if (ret) |
| 1486 | goto out_free; |
| 1487 | } |
| 1488 | |
| 1489 | if (fill) { |
| 1490 | ret = mmc_test_area_fill(test); |
| 1491 | if (ret) |
| 1492 | goto out_free; |
| 1493 | } |
| 1494 | |
| 1495 | return 0; |
| 1496 | |
| 1497 | out_free: |
| 1498 | mmc_test_area_cleanup(test); |
| 1499 | return ret; |
| 1500 | } |
| 1501 | |
| 1502 | /* |
| 1503 | * Prepare for large transfers. Do not erase the test area. |
| 1504 | */ |
| 1505 | static int mmc_test_area_prepare(struct mmc_test_card *test) |
| 1506 | { |
| 1507 | return mmc_test_area_init(test, 0, 0); |
| 1508 | } |
| 1509 | |
| 1510 | /* |
| 1511 | * Prepare for large transfers. Do erase the test area. |
| 1512 | */ |
| 1513 | static int mmc_test_area_prepare_erase(struct mmc_test_card *test) |
| 1514 | { |
| 1515 | return mmc_test_area_init(test, 1, 0); |
| 1516 | } |
| 1517 | |
| 1518 | /* |
| 1519 | * Prepare for large transfers. Erase and fill the test area. |
| 1520 | */ |
| 1521 | static int mmc_test_area_prepare_fill(struct mmc_test_card *test) |
| 1522 | { |
| 1523 | return mmc_test_area_init(test, 1, 1); |
| 1524 | } |
| 1525 | |
| 1526 | /* |
| 1527 | * Test best-case performance. Best-case performance is expected from |
| 1528 | * a single large transfer. |
| 1529 | * |
| 1530 | * An additional option (max_scatter) allows the measurement of the same |
| 1531 | * transfer but with no contiguous pages in the scatter list. This tests |
| 1532 | * the efficiency of DMA to handle scattered pages. |
| 1533 | */ |
| 1534 | static int mmc_test_best_performance(struct mmc_test_card *test, int write, |
| 1535 | int max_scatter) |
| 1536 | { |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1537 | return mmc_test_area_io(test, test->area.max_tfr, test->area.dev_addr, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1538 | write, max_scatter, 1); |
| 1539 | } |
| 1540 | |
| 1541 | /* |
| 1542 | * Best-case read performance. |
| 1543 | */ |
| 1544 | static int mmc_test_best_read_performance(struct mmc_test_card *test) |
| 1545 | { |
| 1546 | return mmc_test_best_performance(test, 0, 0); |
| 1547 | } |
| 1548 | |
| 1549 | /* |
| 1550 | * Best-case write performance. |
| 1551 | */ |
| 1552 | static int mmc_test_best_write_performance(struct mmc_test_card *test) |
| 1553 | { |
| 1554 | return mmc_test_best_performance(test, 1, 0); |
| 1555 | } |
| 1556 | |
| 1557 | /* |
| 1558 | * Best-case read performance into scattered pages. |
| 1559 | */ |
| 1560 | static int mmc_test_best_read_perf_max_scatter(struct mmc_test_card *test) |
| 1561 | { |
| 1562 | return mmc_test_best_performance(test, 0, 1); |
| 1563 | } |
| 1564 | |
| 1565 | /* |
| 1566 | * Best-case write performance from scattered pages. |
| 1567 | */ |
| 1568 | static int mmc_test_best_write_perf_max_scatter(struct mmc_test_card *test) |
| 1569 | { |
| 1570 | return mmc_test_best_performance(test, 1, 1); |
| 1571 | } |
| 1572 | |
| 1573 | /* |
| 1574 | * Single read performance by transfer size. |
| 1575 | */ |
| 1576 | static int mmc_test_profile_read_perf(struct mmc_test_card *test) |
| 1577 | { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1578 | unsigned long sz; |
| 1579 | unsigned int dev_addr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1580 | int ret; |
| 1581 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1582 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1583 | dev_addr = test->area.dev_addr + (sz >> 9); |
| 1584 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
| 1585 | if (ret) |
| 1586 | return ret; |
| 1587 | } |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1588 | sz = test->area.max_tfr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1589 | dev_addr = test->area.dev_addr; |
| 1590 | return mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
| 1591 | } |
| 1592 | |
| 1593 | /* |
| 1594 | * Single write performance by transfer size. |
| 1595 | */ |
| 1596 | static int mmc_test_profile_write_perf(struct mmc_test_card *test) |
| 1597 | { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1598 | unsigned long sz; |
| 1599 | unsigned int dev_addr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1600 | int ret; |
| 1601 | |
| 1602 | ret = mmc_test_area_erase(test); |
| 1603 | if (ret) |
| 1604 | return ret; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1605 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1606 | dev_addr = test->area.dev_addr + (sz >> 9); |
| 1607 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
| 1608 | if (ret) |
| 1609 | return ret; |
| 1610 | } |
| 1611 | ret = mmc_test_area_erase(test); |
| 1612 | if (ret) |
| 1613 | return ret; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1614 | sz = test->area.max_tfr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1615 | dev_addr = test->area.dev_addr; |
| 1616 | return mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
| 1617 | } |
| 1618 | |
| 1619 | /* |
| 1620 | * Single trim performance by transfer size. |
| 1621 | */ |
| 1622 | static int mmc_test_profile_trim_perf(struct mmc_test_card *test) |
| 1623 | { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1624 | unsigned long sz; |
| 1625 | unsigned int dev_addr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1626 | struct timespec ts1, ts2; |
| 1627 | int ret; |
| 1628 | |
| 1629 | if (!mmc_can_trim(test->card)) |
| 1630 | return RESULT_UNSUP_CARD; |
| 1631 | |
| 1632 | if (!mmc_can_erase(test->card)) |
| 1633 | return RESULT_UNSUP_HOST; |
| 1634 | |
| 1635 | for (sz = 512; sz < test->area.max_sz; sz <<= 1) { |
| 1636 | dev_addr = test->area.dev_addr + (sz >> 9); |
| 1637 | getnstimeofday(&ts1); |
| 1638 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); |
| 1639 | if (ret) |
| 1640 | return ret; |
| 1641 | getnstimeofday(&ts2); |
| 1642 | mmc_test_print_rate(test, sz, &ts1, &ts2); |
| 1643 | } |
| 1644 | dev_addr = test->area.dev_addr; |
| 1645 | getnstimeofday(&ts1); |
| 1646 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); |
| 1647 | if (ret) |
| 1648 | return ret; |
| 1649 | getnstimeofday(&ts2); |
| 1650 | mmc_test_print_rate(test, sz, &ts1, &ts2); |
| 1651 | return 0; |
| 1652 | } |
| 1653 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1654 | static int mmc_test_seq_read_perf(struct mmc_test_card *test, unsigned long sz) |
| 1655 | { |
| 1656 | unsigned int dev_addr, i, cnt; |
| 1657 | struct timespec ts1, ts2; |
| 1658 | int ret; |
| 1659 | |
| 1660 | cnt = test->area.max_sz / sz; |
| 1661 | dev_addr = test->area.dev_addr; |
| 1662 | getnstimeofday(&ts1); |
| 1663 | for (i = 0; i < cnt; i++) { |
| 1664 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 0); |
| 1665 | if (ret) |
| 1666 | return ret; |
| 1667 | dev_addr += (sz >> 9); |
| 1668 | } |
| 1669 | getnstimeofday(&ts2); |
| 1670 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
| 1671 | return 0; |
| 1672 | } |
| 1673 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1674 | /* |
| 1675 | * Consecutive read performance by transfer size. |
| 1676 | */ |
| 1677 | static int mmc_test_profile_seq_read_perf(struct mmc_test_card *test) |
| 1678 | { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1679 | unsigned long sz; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1680 | int ret; |
| 1681 | |
| 1682 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
| 1683 | ret = mmc_test_seq_read_perf(test, sz); |
| 1684 | if (ret) |
| 1685 | return ret; |
| 1686 | } |
| 1687 | sz = test->area.max_tfr; |
| 1688 | return mmc_test_seq_read_perf(test, sz); |
| 1689 | } |
| 1690 | |
| 1691 | static int mmc_test_seq_write_perf(struct mmc_test_card *test, unsigned long sz) |
| 1692 | { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1693 | unsigned int dev_addr, i, cnt; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1694 | struct timespec ts1, ts2; |
| 1695 | int ret; |
| 1696 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1697 | ret = mmc_test_area_erase(test); |
| 1698 | if (ret) |
| 1699 | return ret; |
| 1700 | cnt = test->area.max_sz / sz; |
| 1701 | dev_addr = test->area.dev_addr; |
| 1702 | getnstimeofday(&ts1); |
| 1703 | for (i = 0; i < cnt; i++) { |
| 1704 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 0); |
| 1705 | if (ret) |
| 1706 | return ret; |
| 1707 | dev_addr += (sz >> 9); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1708 | } |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1709 | getnstimeofday(&ts2); |
| 1710 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1711 | return 0; |
| 1712 | } |
| 1713 | |
| 1714 | /* |
| 1715 | * Consecutive write performance by transfer size. |
| 1716 | */ |
| 1717 | static int mmc_test_profile_seq_write_perf(struct mmc_test_card *test) |
| 1718 | { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1719 | unsigned long sz; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1720 | int ret; |
| 1721 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1722 | for (sz = 512; sz < test->area.max_tfr; sz <<= 1) { |
| 1723 | ret = mmc_test_seq_write_perf(test, sz); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1724 | if (ret) |
| 1725 | return ret; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1726 | } |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1727 | sz = test->area.max_tfr; |
| 1728 | return mmc_test_seq_write_perf(test, sz); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1729 | } |
| 1730 | |
| 1731 | /* |
| 1732 | * Consecutive trim performance by transfer size. |
| 1733 | */ |
| 1734 | static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test) |
| 1735 | { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1736 | unsigned long sz; |
| 1737 | unsigned int dev_addr, i, cnt; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1738 | struct timespec ts1, ts2; |
| 1739 | int ret; |
| 1740 | |
| 1741 | if (!mmc_can_trim(test->card)) |
| 1742 | return RESULT_UNSUP_CARD; |
| 1743 | |
| 1744 | if (!mmc_can_erase(test->card)) |
| 1745 | return RESULT_UNSUP_HOST; |
| 1746 | |
| 1747 | for (sz = 512; sz <= test->area.max_sz; sz <<= 1) { |
| 1748 | ret = mmc_test_area_erase(test); |
| 1749 | if (ret) |
| 1750 | return ret; |
| 1751 | ret = mmc_test_area_fill(test); |
| 1752 | if (ret) |
| 1753 | return ret; |
| 1754 | cnt = test->area.max_sz / sz; |
| 1755 | dev_addr = test->area.dev_addr; |
| 1756 | getnstimeofday(&ts1); |
| 1757 | for (i = 0; i < cnt; i++) { |
| 1758 | ret = mmc_erase(test->card, dev_addr, sz >> 9, |
| 1759 | MMC_TRIM_ARG); |
| 1760 | if (ret) |
| 1761 | return ret; |
| 1762 | dev_addr += (sz >> 9); |
| 1763 | } |
| 1764 | getnstimeofday(&ts2); |
| 1765 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
| 1766 | } |
| 1767 | return 0; |
| 1768 | } |
| 1769 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1770 | static const struct mmc_test_case mmc_test_cases[] = { |
| 1771 | { |
| 1772 | .name = "Basic write (no data verification)", |
| 1773 | .run = mmc_test_basic_write, |
| 1774 | }, |
| 1775 | |
| 1776 | { |
| 1777 | .name = "Basic read (no data verification)", |
| 1778 | .run = mmc_test_basic_read, |
| 1779 | }, |
| 1780 | |
| 1781 | { |
| 1782 | .name = "Basic write (with data verification)", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1783 | .prepare = mmc_test_prepare_write, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1784 | .run = mmc_test_verify_write, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1785 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1786 | }, |
| 1787 | |
| 1788 | { |
| 1789 | .name = "Basic read (with data verification)", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1790 | .prepare = mmc_test_prepare_read, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1791 | .run = mmc_test_verify_read, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1792 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1793 | }, |
| 1794 | |
| 1795 | { |
| 1796 | .name = "Multi-block write", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1797 | .prepare = mmc_test_prepare_write, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1798 | .run = mmc_test_multi_write, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1799 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1800 | }, |
| 1801 | |
| 1802 | { |
| 1803 | .name = "Multi-block read", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1804 | .prepare = mmc_test_prepare_read, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1805 | .run = mmc_test_multi_read, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1806 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1807 | }, |
| 1808 | |
| 1809 | { |
| 1810 | .name = "Power of two block writes", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1811 | .prepare = mmc_test_prepare_write, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1812 | .run = mmc_test_pow2_write, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1813 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1814 | }, |
| 1815 | |
| 1816 | { |
| 1817 | .name = "Power of two block reads", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1818 | .prepare = mmc_test_prepare_read, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1819 | .run = mmc_test_pow2_read, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1820 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1821 | }, |
| 1822 | |
| 1823 | { |
| 1824 | .name = "Weird sized block writes", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1825 | .prepare = mmc_test_prepare_write, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1826 | .run = mmc_test_weird_write, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1827 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1828 | }, |
| 1829 | |
| 1830 | { |
| 1831 | .name = "Weird sized block reads", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1832 | .prepare = mmc_test_prepare_read, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1833 | .run = mmc_test_weird_read, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1834 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1835 | }, |
| 1836 | |
| 1837 | { |
| 1838 | .name = "Badly aligned write", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1839 | .prepare = mmc_test_prepare_write, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1840 | .run = mmc_test_align_write, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1841 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1842 | }, |
| 1843 | |
| 1844 | { |
| 1845 | .name = "Badly aligned read", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1846 | .prepare = mmc_test_prepare_read, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1847 | .run = mmc_test_align_read, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1848 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1849 | }, |
| 1850 | |
| 1851 | { |
| 1852 | .name = "Badly aligned multi-block write", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1853 | .prepare = mmc_test_prepare_write, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1854 | .run = mmc_test_align_multi_write, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1855 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1856 | }, |
| 1857 | |
| 1858 | { |
| 1859 | .name = "Badly aligned multi-block read", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1860 | .prepare = mmc_test_prepare_read, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1861 | .run = mmc_test_align_multi_read, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1862 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1863 | }, |
| 1864 | |
| 1865 | { |
| 1866 | .name = "Correct xfer_size at write (start failure)", |
| 1867 | .run = mmc_test_xfersize_write, |
| 1868 | }, |
| 1869 | |
| 1870 | { |
| 1871 | .name = "Correct xfer_size at read (start failure)", |
| 1872 | .run = mmc_test_xfersize_read, |
| 1873 | }, |
| 1874 | |
| 1875 | { |
| 1876 | .name = "Correct xfer_size at write (midway failure)", |
| 1877 | .run = mmc_test_multi_xfersize_write, |
| 1878 | }, |
| 1879 | |
| 1880 | { |
| 1881 | .name = "Correct xfer_size at read (midway failure)", |
| 1882 | .run = mmc_test_multi_xfersize_read, |
| 1883 | }, |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 1884 | |
| 1885 | #ifdef CONFIG_HIGHMEM |
| 1886 | |
| 1887 | { |
| 1888 | .name = "Highmem write", |
| 1889 | .prepare = mmc_test_prepare_write, |
| 1890 | .run = mmc_test_write_high, |
| 1891 | .cleanup = mmc_test_cleanup, |
| 1892 | }, |
| 1893 | |
| 1894 | { |
| 1895 | .name = "Highmem read", |
| 1896 | .prepare = mmc_test_prepare_read, |
| 1897 | .run = mmc_test_read_high, |
| 1898 | .cleanup = mmc_test_cleanup, |
| 1899 | }, |
| 1900 | |
| 1901 | { |
| 1902 | .name = "Multi-block highmem write", |
| 1903 | .prepare = mmc_test_prepare_write, |
| 1904 | .run = mmc_test_multi_write_high, |
| 1905 | .cleanup = mmc_test_cleanup, |
| 1906 | }, |
| 1907 | |
| 1908 | { |
| 1909 | .name = "Multi-block highmem read", |
| 1910 | .prepare = mmc_test_prepare_read, |
| 1911 | .run = mmc_test_multi_read_high, |
| 1912 | .cleanup = mmc_test_cleanup, |
| 1913 | }, |
| 1914 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1915 | #else |
| 1916 | |
| 1917 | { |
| 1918 | .name = "Highmem write", |
| 1919 | .run = mmc_test_no_highmem, |
| 1920 | }, |
| 1921 | |
| 1922 | { |
| 1923 | .name = "Highmem read", |
| 1924 | .run = mmc_test_no_highmem, |
| 1925 | }, |
| 1926 | |
| 1927 | { |
| 1928 | .name = "Multi-block highmem write", |
| 1929 | .run = mmc_test_no_highmem, |
| 1930 | }, |
| 1931 | |
| 1932 | { |
| 1933 | .name = "Multi-block highmem read", |
| 1934 | .run = mmc_test_no_highmem, |
| 1935 | }, |
| 1936 | |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 1937 | #endif /* CONFIG_HIGHMEM */ |
| 1938 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1939 | { |
| 1940 | .name = "Best-case read performance", |
| 1941 | .prepare = mmc_test_area_prepare_fill, |
| 1942 | .run = mmc_test_best_read_performance, |
| 1943 | .cleanup = mmc_test_area_cleanup, |
| 1944 | }, |
| 1945 | |
| 1946 | { |
| 1947 | .name = "Best-case write performance", |
| 1948 | .prepare = mmc_test_area_prepare_erase, |
| 1949 | .run = mmc_test_best_write_performance, |
| 1950 | .cleanup = mmc_test_area_cleanup, |
| 1951 | }, |
| 1952 | |
| 1953 | { |
| 1954 | .name = "Best-case read performance into scattered pages", |
| 1955 | .prepare = mmc_test_area_prepare_fill, |
| 1956 | .run = mmc_test_best_read_perf_max_scatter, |
| 1957 | .cleanup = mmc_test_area_cleanup, |
| 1958 | }, |
| 1959 | |
| 1960 | { |
| 1961 | .name = "Best-case write performance from scattered pages", |
| 1962 | .prepare = mmc_test_area_prepare_erase, |
| 1963 | .run = mmc_test_best_write_perf_max_scatter, |
| 1964 | .cleanup = mmc_test_area_cleanup, |
| 1965 | }, |
| 1966 | |
| 1967 | { |
| 1968 | .name = "Single read performance by transfer size", |
| 1969 | .prepare = mmc_test_area_prepare_fill, |
| 1970 | .run = mmc_test_profile_read_perf, |
| 1971 | .cleanup = mmc_test_area_cleanup, |
| 1972 | }, |
| 1973 | |
| 1974 | { |
| 1975 | .name = "Single write performance by transfer size", |
| 1976 | .prepare = mmc_test_area_prepare, |
| 1977 | .run = mmc_test_profile_write_perf, |
| 1978 | .cleanup = mmc_test_area_cleanup, |
| 1979 | }, |
| 1980 | |
| 1981 | { |
| 1982 | .name = "Single trim performance by transfer size", |
| 1983 | .prepare = mmc_test_area_prepare_fill, |
| 1984 | .run = mmc_test_profile_trim_perf, |
| 1985 | .cleanup = mmc_test_area_cleanup, |
| 1986 | }, |
| 1987 | |
| 1988 | { |
| 1989 | .name = "Consecutive read performance by transfer size", |
| 1990 | .prepare = mmc_test_area_prepare_fill, |
| 1991 | .run = mmc_test_profile_seq_read_perf, |
| 1992 | .cleanup = mmc_test_area_cleanup, |
| 1993 | }, |
| 1994 | |
| 1995 | { |
| 1996 | .name = "Consecutive write performance by transfer size", |
| 1997 | .prepare = mmc_test_area_prepare, |
| 1998 | .run = mmc_test_profile_seq_write_perf, |
| 1999 | .cleanup = mmc_test_area_cleanup, |
| 2000 | }, |
| 2001 | |
| 2002 | { |
| 2003 | .name = "Consecutive trim performance by transfer size", |
| 2004 | .prepare = mmc_test_area_prepare, |
| 2005 | .run = mmc_test_profile_seq_trim_perf, |
| 2006 | .cleanup = mmc_test_area_cleanup, |
| 2007 | }, |
| 2008 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2009 | }; |
| 2010 | |
Akinobu Mita | a650031 | 2008-09-13 19:03:32 +0900 | [diff] [blame] | 2011 | static DEFINE_MUTEX(mmc_test_lock); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2012 | |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2013 | static LIST_HEAD(mmc_test_result); |
| 2014 | |
Pierre Ossman | fd8c326 | 2008-05-24 22:36:31 +0200 | [diff] [blame] | 2015 | static void mmc_test_run(struct mmc_test_card *test, int testcase) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2016 | { |
| 2017 | int i, ret; |
| 2018 | |
| 2019 | printk(KERN_INFO "%s: Starting tests of card %s...\n", |
| 2020 | mmc_hostname(test->card->host), mmc_card_id(test->card)); |
| 2021 | |
| 2022 | mmc_claim_host(test->card->host); |
| 2023 | |
| 2024 | for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) { |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2025 | struct mmc_test_general_result *gr; |
| 2026 | |
Pierre Ossman | fd8c326 | 2008-05-24 22:36:31 +0200 | [diff] [blame] | 2027 | if (testcase && ((i + 1) != testcase)) |
| 2028 | continue; |
| 2029 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2030 | printk(KERN_INFO "%s: Test case %d. %s...\n", |
| 2031 | mmc_hostname(test->card->host), i + 1, |
| 2032 | mmc_test_cases[i].name); |
| 2033 | |
| 2034 | if (mmc_test_cases[i].prepare) { |
| 2035 | ret = mmc_test_cases[i].prepare(test); |
| 2036 | if (ret) { |
| 2037 | printk(KERN_INFO "%s: Result: Prepare " |
| 2038 | "stage failed! (%d)\n", |
| 2039 | mmc_hostname(test->card->host), |
| 2040 | ret); |
| 2041 | continue; |
| 2042 | } |
| 2043 | } |
| 2044 | |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2045 | gr = kzalloc(sizeof(struct mmc_test_general_result), |
| 2046 | GFP_KERNEL); |
| 2047 | if (gr) { |
| 2048 | INIT_LIST_HEAD(&gr->tr_lst); |
| 2049 | |
| 2050 | /* Assign data what we know already */ |
| 2051 | gr->card = test->card; |
| 2052 | gr->testcase = i; |
| 2053 | |
| 2054 | /* Append container to global one */ |
| 2055 | list_add_tail(&gr->link, &mmc_test_result); |
| 2056 | |
| 2057 | /* |
| 2058 | * Save the pointer to created container in our private |
| 2059 | * structure. |
| 2060 | */ |
| 2061 | test->gr = gr; |
| 2062 | } |
| 2063 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2064 | ret = mmc_test_cases[i].run(test); |
| 2065 | switch (ret) { |
| 2066 | case RESULT_OK: |
| 2067 | printk(KERN_INFO "%s: Result: OK\n", |
| 2068 | mmc_hostname(test->card->host)); |
| 2069 | break; |
| 2070 | case RESULT_FAIL: |
| 2071 | printk(KERN_INFO "%s: Result: FAILED\n", |
| 2072 | mmc_hostname(test->card->host)); |
| 2073 | break; |
| 2074 | case RESULT_UNSUP_HOST: |
| 2075 | printk(KERN_INFO "%s: Result: UNSUPPORTED " |
| 2076 | "(by host)\n", |
| 2077 | mmc_hostname(test->card->host)); |
| 2078 | break; |
| 2079 | case RESULT_UNSUP_CARD: |
| 2080 | printk(KERN_INFO "%s: Result: UNSUPPORTED " |
| 2081 | "(by card)\n", |
| 2082 | mmc_hostname(test->card->host)); |
| 2083 | break; |
| 2084 | default: |
| 2085 | printk(KERN_INFO "%s: Result: ERROR (%d)\n", |
| 2086 | mmc_hostname(test->card->host), ret); |
| 2087 | } |
| 2088 | |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2089 | /* Save the result */ |
| 2090 | if (gr) |
| 2091 | gr->result = ret; |
| 2092 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2093 | if (mmc_test_cases[i].cleanup) { |
| 2094 | ret = mmc_test_cases[i].cleanup(test); |
| 2095 | if (ret) { |
| 2096 | printk(KERN_INFO "%s: Warning: Cleanup " |
| 2097 | "stage failed! (%d)\n", |
| 2098 | mmc_hostname(test->card->host), |
| 2099 | ret); |
| 2100 | } |
| 2101 | } |
| 2102 | } |
| 2103 | |
| 2104 | mmc_release_host(test->card->host); |
| 2105 | |
| 2106 | printk(KERN_INFO "%s: Tests completed.\n", |
| 2107 | mmc_hostname(test->card->host)); |
| 2108 | } |
| 2109 | |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2110 | static void mmc_test_free_result(struct mmc_card *card) |
| 2111 | { |
| 2112 | struct mmc_test_general_result *gr, *grs; |
| 2113 | |
| 2114 | mutex_lock(&mmc_test_lock); |
| 2115 | |
| 2116 | list_for_each_entry_safe(gr, grs, &mmc_test_result, link) { |
| 2117 | struct mmc_test_transfer_result *tr, *trs; |
| 2118 | |
| 2119 | if (card && gr->card != card) |
| 2120 | continue; |
| 2121 | |
| 2122 | list_for_each_entry_safe(tr, trs, &gr->tr_lst, link) { |
| 2123 | list_del(&tr->link); |
| 2124 | kfree(tr); |
| 2125 | } |
| 2126 | |
| 2127 | list_del(&gr->link); |
| 2128 | kfree(gr); |
| 2129 | } |
| 2130 | |
| 2131 | mutex_unlock(&mmc_test_lock); |
| 2132 | } |
| 2133 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2134 | static LIST_HEAD(mmc_test_file_test); |
| 2135 | |
| 2136 | static int mtf_test_show(struct seq_file *sf, void *data) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2137 | { |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2138 | struct mmc_card *card = (struct mmc_card *)sf->private; |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2139 | struct mmc_test_general_result *gr; |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2140 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2141 | mutex_lock(&mmc_test_lock); |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2142 | |
| 2143 | list_for_each_entry(gr, &mmc_test_result, link) { |
| 2144 | struct mmc_test_transfer_result *tr; |
| 2145 | |
| 2146 | if (gr->card != card) |
| 2147 | continue; |
| 2148 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2149 | seq_printf(sf, "Test %d: %d\n", gr->testcase + 1, gr->result); |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2150 | |
| 2151 | list_for_each_entry(tr, &gr->tr_lst, link) { |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2152 | seq_printf(sf, "%u %d %lu.%09lu %u\n", |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2153 | tr->count, tr->sectors, |
| 2154 | (unsigned long)tr->ts.tv_sec, |
| 2155 | (unsigned long)tr->ts.tv_nsec, |
| 2156 | tr->rate); |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2157 | } |
| 2158 | } |
| 2159 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2160 | mutex_unlock(&mmc_test_lock); |
| 2161 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2162 | return 0; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2163 | } |
| 2164 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2165 | static int mtf_test_open(struct inode *inode, struct file *file) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2166 | { |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2167 | return single_open(file, mtf_test_show, inode->i_private); |
| 2168 | } |
| 2169 | |
| 2170 | static ssize_t mtf_test_write(struct file *file, const char __user *buf, |
| 2171 | size_t count, loff_t *pos) |
| 2172 | { |
| 2173 | struct seq_file *sf = (struct seq_file *)file->private_data; |
| 2174 | struct mmc_card *card = (struct mmc_card *)sf->private; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2175 | struct mmc_test_card *test; |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2176 | char lbuf[12]; |
Andy Shevchenko | 5c25aee | 2010-09-01 09:26:46 +0300 | [diff] [blame] | 2177 | long testcase; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2178 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2179 | if (count >= sizeof(lbuf)) |
| 2180 | return -EINVAL; |
| 2181 | |
| 2182 | if (copy_from_user(lbuf, buf, count)) |
| 2183 | return -EFAULT; |
| 2184 | lbuf[count] = '\0'; |
| 2185 | |
| 2186 | if (strict_strtol(lbuf, 10, &testcase)) |
Andy Shevchenko | 5c25aee | 2010-09-01 09:26:46 +0300 | [diff] [blame] | 2187 | return -EINVAL; |
Pierre Ossman | fd8c326 | 2008-05-24 22:36:31 +0200 | [diff] [blame] | 2188 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2189 | test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL); |
| 2190 | if (!test) |
| 2191 | return -ENOMEM; |
| 2192 | |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2193 | /* |
| 2194 | * Remove all test cases associated with given card. Thus we have only |
| 2195 | * actual data of the last run. |
| 2196 | */ |
| 2197 | mmc_test_free_result(card); |
| 2198 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2199 | test->card = card; |
| 2200 | |
| 2201 | test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 2202 | #ifdef CONFIG_HIGHMEM |
| 2203 | test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); |
| 2204 | #endif |
| 2205 | |
| 2206 | #ifdef CONFIG_HIGHMEM |
| 2207 | if (test->buffer && test->highmem) { |
| 2208 | #else |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2209 | if (test->buffer) { |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 2210 | #endif |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2211 | mutex_lock(&mmc_test_lock); |
Pierre Ossman | fd8c326 | 2008-05-24 22:36:31 +0200 | [diff] [blame] | 2212 | mmc_test_run(test, testcase); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2213 | mutex_unlock(&mmc_test_lock); |
| 2214 | } |
| 2215 | |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 2216 | #ifdef CONFIG_HIGHMEM |
| 2217 | __free_pages(test->highmem, BUFFER_ORDER); |
| 2218 | #endif |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2219 | kfree(test->buffer); |
| 2220 | kfree(test); |
| 2221 | |
| 2222 | return count; |
| 2223 | } |
| 2224 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2225 | static const struct file_operations mmc_test_fops_test = { |
| 2226 | .open = mtf_test_open, |
| 2227 | .read = seq_read, |
| 2228 | .write = mtf_test_write, |
| 2229 | .llseek = seq_lseek, |
| 2230 | .release = single_release, |
| 2231 | }; |
| 2232 | |
| 2233 | static void mmc_test_free_file_test(struct mmc_card *card) |
| 2234 | { |
| 2235 | struct mmc_test_dbgfs_file *df, *dfs; |
| 2236 | |
| 2237 | mutex_lock(&mmc_test_lock); |
| 2238 | |
| 2239 | list_for_each_entry_safe(df, dfs, &mmc_test_file_test, link) { |
| 2240 | if (card && df->card != card) |
| 2241 | continue; |
| 2242 | debugfs_remove(df->file); |
| 2243 | list_del(&df->link); |
| 2244 | kfree(df); |
| 2245 | } |
| 2246 | |
| 2247 | mutex_unlock(&mmc_test_lock); |
| 2248 | } |
| 2249 | |
| 2250 | static int mmc_test_register_file_test(struct mmc_card *card) |
| 2251 | { |
| 2252 | struct dentry *file = NULL; |
| 2253 | struct mmc_test_dbgfs_file *df; |
| 2254 | int ret = 0; |
| 2255 | |
| 2256 | mutex_lock(&mmc_test_lock); |
| 2257 | |
| 2258 | if (card->debugfs_root) |
| 2259 | file = debugfs_create_file("test", S_IWUSR | S_IRUGO, |
| 2260 | card->debugfs_root, card, &mmc_test_fops_test); |
| 2261 | |
| 2262 | if (IS_ERR_OR_NULL(file)) { |
| 2263 | dev_err(&card->dev, |
| 2264 | "Can't create file. Perhaps debugfs is disabled.\n"); |
| 2265 | ret = -ENODEV; |
| 2266 | goto err; |
| 2267 | } |
| 2268 | |
| 2269 | df = kmalloc(sizeof(struct mmc_test_dbgfs_file), GFP_KERNEL); |
| 2270 | if (!df) { |
| 2271 | debugfs_remove(file); |
| 2272 | dev_err(&card->dev, |
| 2273 | "Can't allocate memory for internal usage.\n"); |
| 2274 | ret = -ENOMEM; |
| 2275 | goto err; |
| 2276 | } |
| 2277 | |
| 2278 | df->card = card; |
| 2279 | df->file = file; |
| 2280 | |
| 2281 | list_add(&df->link, &mmc_test_file_test); |
| 2282 | |
| 2283 | err: |
| 2284 | mutex_unlock(&mmc_test_lock); |
| 2285 | |
| 2286 | return ret; |
| 2287 | } |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2288 | |
| 2289 | static int mmc_test_probe(struct mmc_card *card) |
| 2290 | { |
| 2291 | int ret; |
| 2292 | |
Andy Shevchenko | 63be54c | 2010-09-01 09:26:45 +0300 | [diff] [blame] | 2293 | if (!mmc_card_mmc(card) && !mmc_card_sd(card)) |
Pierre Ossman | 0121a98 | 2008-06-28 17:51:27 +0200 | [diff] [blame] | 2294 | return -ENODEV; |
| 2295 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2296 | ret = mmc_test_register_file_test(card); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2297 | if (ret) |
| 2298 | return ret; |
| 2299 | |
Pierre Ossman | 60c9c7b | 2008-07-22 14:38:35 +0200 | [diff] [blame] | 2300 | dev_info(&card->dev, "Card claimed for testing.\n"); |
| 2301 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2302 | return 0; |
| 2303 | } |
| 2304 | |
| 2305 | static void mmc_test_remove(struct mmc_card *card) |
| 2306 | { |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2307 | mmc_test_free_result(card); |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2308 | mmc_test_free_file_test(card); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2309 | } |
| 2310 | |
| 2311 | static struct mmc_driver mmc_driver = { |
| 2312 | .drv = { |
| 2313 | .name = "mmc_test", |
| 2314 | }, |
| 2315 | .probe = mmc_test_probe, |
| 2316 | .remove = mmc_test_remove, |
| 2317 | }; |
| 2318 | |
| 2319 | static int __init mmc_test_init(void) |
| 2320 | { |
| 2321 | return mmc_register_driver(&mmc_driver); |
| 2322 | } |
| 2323 | |
| 2324 | static void __exit mmc_test_exit(void) |
| 2325 | { |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2326 | /* Clear stalled data if card is still plugged */ |
| 2327 | mmc_test_free_result(NULL); |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2328 | mmc_test_free_file_test(NULL); |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2329 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2330 | mmc_unregister_driver(&mmc_driver); |
| 2331 | } |
| 2332 | |
| 2333 | module_init(mmc_test_init); |
| 2334 | module_exit(mmc_test_exit); |
| 2335 | |
| 2336 | MODULE_LICENSE("GPL"); |
| 2337 | MODULE_DESCRIPTION("Multimedia Card (MMC) host test driver"); |
| 2338 | MODULE_AUTHOR("Pierre Ossman"); |