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> |
Ulf Hansson | 6685ac6 | 2014-10-06 13:51:40 +0200 | [diff] [blame] | 17 | #include <linux/device.h> |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 18 | |
| 19 | #include <linux/scatterlist.h> |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 20 | #include <linux/swap.h> /* For nr_free_buffer_pages() */ |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 21 | #include <linux/list.h> |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 22 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 23 | #include <linux/debugfs.h> |
| 24 | #include <linux/uaccess.h> |
| 25 | #include <linux/seq_file.h> |
Paul Gortmaker | 88b4767 | 2011-07-03 15:15:51 -0400 | [diff] [blame] | 26 | #include <linux/module.h> |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 27 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 28 | #define RESULT_OK 0 |
| 29 | #define RESULT_FAIL 1 |
| 30 | #define RESULT_UNSUP_HOST 2 |
| 31 | #define RESULT_UNSUP_CARD 3 |
| 32 | |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 33 | #define BUFFER_ORDER 2 |
| 34 | #define BUFFER_SIZE (PAGE_SIZE << BUFFER_ORDER) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 35 | |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 36 | /* |
| 37 | * Limit the test area size to the maximum MMC HC erase group size. Note that |
| 38 | * the maximum SD allocation unit size is just 4MiB. |
| 39 | */ |
| 40 | #define TEST_AREA_MAX_SIZE (128 * 1024 * 1024) |
| 41 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 42 | /** |
| 43 | * struct mmc_test_pages - pages allocated by 'alloc_pages()'. |
| 44 | * @page: first page in the allocation |
| 45 | * @order: order of the number of pages allocated |
| 46 | */ |
| 47 | struct mmc_test_pages { |
| 48 | struct page *page; |
| 49 | unsigned int order; |
| 50 | }; |
| 51 | |
| 52 | /** |
| 53 | * struct mmc_test_mem - allocated memory. |
| 54 | * @arr: array of allocations |
| 55 | * @cnt: number of allocations |
| 56 | */ |
| 57 | struct mmc_test_mem { |
| 58 | struct mmc_test_pages *arr; |
| 59 | unsigned int cnt; |
| 60 | }; |
| 61 | |
| 62 | /** |
| 63 | * struct mmc_test_area - information for performance tests. |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 64 | * @max_sz: test area size (in bytes) |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 65 | * @dev_addr: address on card at which to do performance tests |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 66 | * @max_tfr: maximum transfer size allowed by driver (in bytes) |
| 67 | * @max_segs: maximum segments allowed by driver in scatterlist @sg |
| 68 | * @max_seg_sz: maximum segment size allowed by driver |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 69 | * @blocks: number of (512 byte) blocks currently mapped by @sg |
| 70 | * @sg_len: length of currently mapped scatterlist @sg |
| 71 | * @mem: allocated memory |
| 72 | * @sg: scatterlist |
| 73 | */ |
| 74 | struct mmc_test_area { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 75 | unsigned long max_sz; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 76 | unsigned int dev_addr; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 77 | unsigned int max_tfr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 78 | unsigned int max_segs; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 79 | unsigned int max_seg_sz; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 80 | unsigned int blocks; |
| 81 | unsigned int sg_len; |
| 82 | struct mmc_test_mem *mem; |
| 83 | struct scatterlist *sg; |
| 84 | }; |
| 85 | |
| 86 | /** |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 87 | * struct mmc_test_transfer_result - transfer results for performance tests. |
| 88 | * @link: double-linked list |
| 89 | * @count: amount of group of sectors to check |
| 90 | * @sectors: amount of sectors to check in one group |
| 91 | * @ts: time values of transfer |
| 92 | * @rate: calculated transfer rate |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 93 | * @iops: I/O operations per second (times 100) |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 94 | */ |
| 95 | struct mmc_test_transfer_result { |
| 96 | struct list_head link; |
| 97 | unsigned int count; |
| 98 | unsigned int sectors; |
| 99 | struct timespec ts; |
| 100 | unsigned int rate; |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 101 | unsigned int iops; |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 102 | }; |
| 103 | |
| 104 | /** |
| 105 | * struct mmc_test_general_result - results for tests. |
| 106 | * @link: double-linked list |
| 107 | * @card: card under test |
| 108 | * @testcase: number of test case |
| 109 | * @result: result of test run |
| 110 | * @tr_lst: transfer measurements if any as mmc_test_transfer_result |
| 111 | */ |
| 112 | struct mmc_test_general_result { |
| 113 | struct list_head link; |
| 114 | struct mmc_card *card; |
| 115 | int testcase; |
| 116 | int result; |
| 117 | struct list_head tr_lst; |
| 118 | }; |
| 119 | |
| 120 | /** |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 121 | * struct mmc_test_dbgfs_file - debugfs related file. |
| 122 | * @link: double-linked list |
| 123 | * @card: card under test |
| 124 | * @file: file created under debugfs |
| 125 | */ |
| 126 | struct mmc_test_dbgfs_file { |
| 127 | struct list_head link; |
| 128 | struct mmc_card *card; |
| 129 | struct dentry *file; |
| 130 | }; |
| 131 | |
| 132 | /** |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 133 | * struct mmc_test_card - test information. |
| 134 | * @card: card under test |
| 135 | * @scratch: transfer buffer |
| 136 | * @buffer: transfer buffer |
| 137 | * @highmem: buffer for highmem tests |
| 138 | * @area: information for performance tests |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 139 | * @gr: pointer to results of current testcase |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 140 | */ |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 141 | struct mmc_test_card { |
| 142 | struct mmc_card *card; |
| 143 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 144 | u8 scratch[BUFFER_SIZE]; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 145 | u8 *buffer; |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 146 | #ifdef CONFIG_HIGHMEM |
| 147 | struct page *highmem; |
| 148 | #endif |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 149 | struct mmc_test_area area; |
| 150 | struct mmc_test_general_result *gr; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 151 | }; |
| 152 | |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 153 | enum mmc_test_prep_media { |
| 154 | MMC_TEST_PREP_NONE = 0, |
| 155 | MMC_TEST_PREP_WRITE_FULL = 1 << 0, |
| 156 | MMC_TEST_PREP_ERASE = 1 << 1, |
| 157 | }; |
| 158 | |
| 159 | struct mmc_test_multiple_rw { |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 160 | unsigned int *sg_len; |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 161 | unsigned int *bs; |
| 162 | unsigned int len; |
| 163 | unsigned int size; |
| 164 | bool do_write; |
| 165 | bool do_nonblock_req; |
| 166 | enum mmc_test_prep_media prepare; |
| 167 | }; |
| 168 | |
| 169 | struct mmc_test_async_req { |
| 170 | struct mmc_async_req areq; |
| 171 | struct mmc_test_card *test; |
| 172 | }; |
| 173 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 174 | /*******************************************************************/ |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 175 | /* General helper functions */ |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 176 | /*******************************************************************/ |
| 177 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 178 | /* |
| 179 | * Configure correct block size in card |
| 180 | */ |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 181 | static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size) |
| 182 | { |
Adrian Hunter | 0f8d8ea | 2010-08-24 13:20:26 +0300 | [diff] [blame] | 183 | return mmc_set_blocklen(test->card, size); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 184 | } |
| 185 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 186 | /* |
| 187 | * Fill in the mmc_request structure given a set of transfer parameters. |
| 188 | */ |
| 189 | static void mmc_test_prepare_mrq(struct mmc_test_card *test, |
| 190 | struct mmc_request *mrq, struct scatterlist *sg, unsigned sg_len, |
| 191 | unsigned dev_addr, unsigned blocks, unsigned blksz, int write) |
| 192 | { |
| 193 | BUG_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop); |
| 194 | |
| 195 | if (blocks > 1) { |
| 196 | mrq->cmd->opcode = write ? |
| 197 | MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK; |
| 198 | } else { |
| 199 | mrq->cmd->opcode = write ? |
| 200 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; |
| 201 | } |
| 202 | |
| 203 | mrq->cmd->arg = dev_addr; |
Johan Kristell | c286d03 | 2010-02-10 13:56:34 -0800 | [diff] [blame] | 204 | if (!mmc_card_blockaddr(test->card)) |
| 205 | mrq->cmd->arg <<= 9; |
| 206 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 207 | mrq->cmd->flags = MMC_RSP_R1 | MMC_CMD_ADTC; |
| 208 | |
| 209 | if (blocks == 1) |
| 210 | mrq->stop = NULL; |
| 211 | else { |
| 212 | mrq->stop->opcode = MMC_STOP_TRANSMISSION; |
| 213 | mrq->stop->arg = 0; |
| 214 | mrq->stop->flags = MMC_RSP_R1B | MMC_CMD_AC; |
| 215 | } |
| 216 | |
| 217 | mrq->data->blksz = blksz; |
| 218 | mrq->data->blocks = blocks; |
| 219 | mrq->data->flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; |
| 220 | mrq->data->sg = sg; |
| 221 | mrq->data->sg_len = sg_len; |
| 222 | |
| 223 | mmc_set_data_timeout(mrq->data, test->card); |
| 224 | } |
| 225 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 226 | static int mmc_test_busy(struct mmc_command *cmd) |
| 227 | { |
| 228 | return !(cmd->resp[0] & R1_READY_FOR_DATA) || |
Jaehoon Chung | 7435bb7 | 2011-08-10 18:46:28 +0900 | [diff] [blame] | 229 | (R1_CURRENT_STATE(cmd->resp[0]) == R1_STATE_PRG); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 230 | } |
| 231 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 232 | /* |
| 233 | * Wait for the card to finish the busy state |
| 234 | */ |
| 235 | static int mmc_test_wait_busy(struct mmc_test_card *test) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 236 | { |
| 237 | int ret, busy; |
Chris Ball | 1278dba | 2011-04-13 23:40:30 -0400 | [diff] [blame] | 238 | struct mmc_command cmd = {0}; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 239 | |
| 240 | busy = 0; |
| 241 | do { |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 242 | memset(&cmd, 0, sizeof(struct mmc_command)); |
| 243 | |
| 244 | cmd.opcode = MMC_SEND_STATUS; |
| 245 | cmd.arg = test->card->rca << 16; |
| 246 | cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; |
| 247 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 248 | ret = mmc_wait_for_cmd(test->card->host, &cmd, 0); |
| 249 | if (ret) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 250 | break; |
| 251 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 252 | if (!busy && mmc_test_busy(&cmd)) { |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 253 | busy = 1; |
Pawel Moll | 54d6b44 | 2011-02-06 15:06:24 -0500 | [diff] [blame] | 254 | if (test->card->host->caps & MMC_CAP_WAIT_WHILE_BUSY) |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 255 | pr_info("%s: Warning: Host did not " |
Pawel Moll | 54d6b44 | 2011-02-06 15:06:24 -0500 | [diff] [blame] | 256 | "wait for busy state to end.\n", |
| 257 | mmc_hostname(test->card->host)); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 258 | } |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 259 | } while (mmc_test_busy(&cmd)); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 260 | |
| 261 | return ret; |
| 262 | } |
| 263 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 264 | /* |
| 265 | * Transfer a single sector of kernel addressable data |
| 266 | */ |
| 267 | static int mmc_test_buffer_transfer(struct mmc_test_card *test, |
| 268 | u8 *buffer, unsigned addr, unsigned blksz, int write) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 269 | { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 270 | int ret; |
| 271 | |
Chris Ball | 24f5b53 | 2011-04-13 23:49:45 -0400 | [diff] [blame] | 272 | struct mmc_request mrq = {0}; |
Chris Ball | 1278dba | 2011-04-13 23:40:30 -0400 | [diff] [blame] | 273 | struct mmc_command cmd = {0}; |
| 274 | struct mmc_command stop = {0}; |
Chris Ball | a61ad2b | 2011-04-13 23:46:05 -0400 | [diff] [blame] | 275 | struct mmc_data data = {0}; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 276 | |
| 277 | struct scatterlist sg; |
| 278 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 279 | mrq.cmd = &cmd; |
| 280 | mrq.data = &data; |
| 281 | mrq.stop = &stop; |
| 282 | |
| 283 | sg_init_one(&sg, buffer, blksz); |
| 284 | |
| 285 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write); |
| 286 | |
| 287 | mmc_wait_for_req(test->card->host, &mrq); |
| 288 | |
| 289 | if (cmd.error) |
| 290 | return cmd.error; |
| 291 | if (data.error) |
| 292 | return data.error; |
| 293 | |
| 294 | ret = mmc_test_wait_busy(test); |
| 295 | if (ret) |
| 296 | return ret; |
| 297 | |
| 298 | return 0; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 299 | } |
| 300 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 301 | static void mmc_test_free_mem(struct mmc_test_mem *mem) |
| 302 | { |
| 303 | if (!mem) |
| 304 | return; |
| 305 | while (mem->cnt--) |
| 306 | __free_pages(mem->arr[mem->cnt].page, |
| 307 | mem->arr[mem->cnt].order); |
| 308 | kfree(mem->arr); |
| 309 | kfree(mem); |
| 310 | } |
| 311 | |
| 312 | /* |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 313 | * Allocate a lot of memory, preferably max_sz but at least min_sz. In case |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 314 | * there isn't much memory do not exceed 1/16th total lowmem pages. Also do |
| 315 | * not exceed a maximum number of segments and try not to make segments much |
| 316 | * bigger than maximum segment size. |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 317 | */ |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 318 | 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] | 319 | unsigned long max_sz, |
| 320 | unsigned int max_segs, |
| 321 | unsigned int max_seg_sz) |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 322 | { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 323 | unsigned long max_page_cnt = DIV_ROUND_UP(max_sz, PAGE_SIZE); |
| 324 | unsigned long min_page_cnt = DIV_ROUND_UP(min_sz, PAGE_SIZE); |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 325 | 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] | 326 | unsigned long page_cnt = 0; |
| 327 | unsigned long limit = nr_free_buffer_pages() >> 4; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 328 | struct mmc_test_mem *mem; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 329 | |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 330 | if (max_page_cnt > limit) |
| 331 | max_page_cnt = limit; |
Adrian Hunter | 3d203be | 2010-09-23 14:51:29 +0300 | [diff] [blame] | 332 | if (min_page_cnt > max_page_cnt) |
| 333 | min_page_cnt = max_page_cnt; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 334 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 335 | if (max_seg_page_cnt > max_page_cnt) |
| 336 | max_seg_page_cnt = max_page_cnt; |
| 337 | |
| 338 | if (max_segs > max_page_cnt) |
| 339 | max_segs = max_page_cnt; |
| 340 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 341 | mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL); |
| 342 | if (!mem) |
| 343 | return NULL; |
| 344 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 345 | mem->arr = kzalloc(sizeof(struct mmc_test_pages) * max_segs, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 346 | GFP_KERNEL); |
| 347 | if (!mem->arr) |
| 348 | goto out_free; |
| 349 | |
| 350 | while (max_page_cnt) { |
| 351 | struct page *page; |
| 352 | unsigned int order; |
| 353 | gfp_t flags = GFP_KERNEL | GFP_DMA | __GFP_NOWARN | |
| 354 | __GFP_NORETRY; |
| 355 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 356 | order = get_order(max_seg_page_cnt << PAGE_SHIFT); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 357 | while (1) { |
| 358 | page = alloc_pages(flags, order); |
| 359 | if (page || !order) |
| 360 | break; |
| 361 | order -= 1; |
| 362 | } |
| 363 | if (!page) { |
| 364 | if (page_cnt < min_page_cnt) |
| 365 | goto out_free; |
| 366 | break; |
| 367 | } |
| 368 | mem->arr[mem->cnt].page = page; |
| 369 | mem->arr[mem->cnt].order = order; |
| 370 | mem->cnt += 1; |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 371 | if (max_page_cnt <= (1UL << order)) |
| 372 | break; |
Adrian Hunter | 3d203be | 2010-09-23 14:51:29 +0300 | [diff] [blame] | 373 | max_page_cnt -= 1UL << order; |
| 374 | page_cnt += 1UL << order; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 375 | if (mem->cnt >= max_segs) { |
| 376 | if (page_cnt < min_page_cnt) |
| 377 | goto out_free; |
| 378 | break; |
| 379 | } |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | return mem; |
| 383 | |
| 384 | out_free: |
| 385 | mmc_test_free_mem(mem); |
| 386 | return NULL; |
| 387 | } |
| 388 | |
| 389 | /* |
| 390 | * Map memory into a scatterlist. Optionally allow the same memory to be |
| 391 | * mapped more than once. |
| 392 | */ |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 393 | static int mmc_test_map_sg(struct mmc_test_mem *mem, unsigned long size, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 394 | struct scatterlist *sglist, int repeat, |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 395 | unsigned int max_segs, unsigned int max_seg_sz, |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 396 | unsigned int *sg_len, int min_sg_len) |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 397 | { |
| 398 | struct scatterlist *sg = NULL; |
| 399 | unsigned int i; |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 400 | unsigned long sz = size; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 401 | |
| 402 | sg_init_table(sglist, max_segs); |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 403 | if (min_sg_len > max_segs) |
| 404 | min_sg_len = max_segs; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 405 | |
| 406 | *sg_len = 0; |
| 407 | do { |
| 408 | for (i = 0; i < mem->cnt; i++) { |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 409 | unsigned long len = PAGE_SIZE << mem->arr[i].order; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 410 | |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 411 | if (min_sg_len && (size / min_sg_len < len)) |
| 412 | len = ALIGN(size / min_sg_len, 512); |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 413 | if (len > sz) |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 414 | len = sz; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 415 | if (len > max_seg_sz) |
| 416 | len = max_seg_sz; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 417 | if (sg) |
| 418 | sg = sg_next(sg); |
| 419 | else |
| 420 | sg = sglist; |
| 421 | if (!sg) |
| 422 | return -EINVAL; |
| 423 | sg_set_page(sg, mem->arr[i].page, len, 0); |
| 424 | sz -= len; |
| 425 | *sg_len += 1; |
| 426 | if (!sz) |
| 427 | break; |
| 428 | } |
| 429 | } while (sz && repeat); |
| 430 | |
| 431 | if (sz) |
| 432 | return -EINVAL; |
| 433 | |
| 434 | if (sg) |
| 435 | sg_mark_end(sg); |
| 436 | |
| 437 | return 0; |
| 438 | } |
| 439 | |
| 440 | /* |
| 441 | * Map memory into a scatterlist so that no pages are contiguous. Allow the |
| 442 | * same memory to be mapped more than once. |
| 443 | */ |
| 444 | 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] | 445 | unsigned long sz, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 446 | struct scatterlist *sglist, |
| 447 | unsigned int max_segs, |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 448 | unsigned int max_seg_sz, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 449 | unsigned int *sg_len) |
| 450 | { |
| 451 | struct scatterlist *sg = NULL; |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 452 | unsigned int i = mem->cnt, cnt; |
| 453 | unsigned long len; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 454 | void *base, *addr, *last_addr = NULL; |
| 455 | |
| 456 | sg_init_table(sglist, max_segs); |
| 457 | |
| 458 | *sg_len = 0; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 459 | while (sz) { |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 460 | base = page_address(mem->arr[--i].page); |
| 461 | cnt = 1 << mem->arr[i].order; |
| 462 | while (sz && cnt) { |
| 463 | addr = base + PAGE_SIZE * --cnt; |
| 464 | if (last_addr && last_addr + PAGE_SIZE == addr) |
| 465 | continue; |
| 466 | last_addr = addr; |
| 467 | len = PAGE_SIZE; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 468 | if (len > max_seg_sz) |
| 469 | len = max_seg_sz; |
| 470 | if (len > sz) |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 471 | len = sz; |
| 472 | if (sg) |
| 473 | sg = sg_next(sg); |
| 474 | else |
| 475 | sg = sglist; |
| 476 | if (!sg) |
| 477 | return -EINVAL; |
| 478 | sg_set_page(sg, virt_to_page(addr), len, 0); |
| 479 | sz -= len; |
| 480 | *sg_len += 1; |
| 481 | } |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 482 | if (i == 0) |
| 483 | i = mem->cnt; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 484 | } |
| 485 | |
| 486 | if (sg) |
| 487 | sg_mark_end(sg); |
| 488 | |
| 489 | return 0; |
| 490 | } |
| 491 | |
| 492 | /* |
| 493 | * Calculate transfer rate in bytes per second. |
| 494 | */ |
| 495 | static unsigned int mmc_test_rate(uint64_t bytes, struct timespec *ts) |
| 496 | { |
| 497 | uint64_t ns; |
| 498 | |
| 499 | ns = ts->tv_sec; |
| 500 | ns *= 1000000000; |
| 501 | ns += ts->tv_nsec; |
| 502 | |
| 503 | bytes *= 1000000000; |
| 504 | |
| 505 | while (ns > UINT_MAX) { |
| 506 | bytes >>= 1; |
| 507 | ns >>= 1; |
| 508 | } |
| 509 | |
| 510 | if (!ns) |
| 511 | return 0; |
| 512 | |
| 513 | do_div(bytes, (uint32_t)ns); |
| 514 | |
| 515 | return bytes; |
| 516 | } |
| 517 | |
| 518 | /* |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 519 | * Save transfer results for future usage |
| 520 | */ |
| 521 | static void mmc_test_save_transfer_result(struct mmc_test_card *test, |
| 522 | unsigned int count, unsigned int sectors, struct timespec ts, |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 523 | unsigned int rate, unsigned int iops) |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 524 | { |
| 525 | struct mmc_test_transfer_result *tr; |
| 526 | |
| 527 | if (!test->gr) |
| 528 | return; |
| 529 | |
| 530 | tr = kmalloc(sizeof(struct mmc_test_transfer_result), GFP_KERNEL); |
| 531 | if (!tr) |
| 532 | return; |
| 533 | |
| 534 | tr->count = count; |
| 535 | tr->sectors = sectors; |
| 536 | tr->ts = ts; |
| 537 | tr->rate = rate; |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 538 | tr->iops = iops; |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 539 | |
| 540 | list_add_tail(&tr->link, &test->gr->tr_lst); |
| 541 | } |
| 542 | |
| 543 | /* |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 544 | * Print the transfer rate. |
| 545 | */ |
| 546 | static void mmc_test_print_rate(struct mmc_test_card *test, uint64_t bytes, |
| 547 | struct timespec *ts1, struct timespec *ts2) |
| 548 | { |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 549 | unsigned int rate, iops, sectors = bytes >> 9; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 550 | struct timespec ts; |
| 551 | |
| 552 | ts = timespec_sub(*ts2, *ts1); |
| 553 | |
| 554 | rate = mmc_test_rate(bytes, &ts); |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 555 | iops = mmc_test_rate(100, &ts); /* I/O ops per sec x 100 */ |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 556 | |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 557 | pr_info("%s: Transfer of %u sectors (%u%s KiB) took %lu.%09lu " |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 558 | "seconds (%u kB/s, %u KiB/s, %u.%02u IOPS)\n", |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 559 | mmc_hostname(test->card->host), sectors, sectors >> 1, |
Adrian Hunter | c27d37a | 2010-09-23 14:51:36 +0300 | [diff] [blame] | 560 | (sectors & 1 ? ".5" : ""), (unsigned long)ts.tv_sec, |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 561 | (unsigned long)ts.tv_nsec, rate / 1000, rate / 1024, |
| 562 | iops / 100, iops % 100); |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 563 | |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 564 | mmc_test_save_transfer_result(test, 1, sectors, ts, rate, iops); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 565 | } |
| 566 | |
| 567 | /* |
| 568 | * Print the average transfer rate. |
| 569 | */ |
| 570 | static void mmc_test_print_avg_rate(struct mmc_test_card *test, uint64_t bytes, |
| 571 | unsigned int count, struct timespec *ts1, |
| 572 | struct timespec *ts2) |
| 573 | { |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 574 | unsigned int rate, iops, sectors = bytes >> 9; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 575 | uint64_t tot = bytes * count; |
| 576 | struct timespec ts; |
| 577 | |
| 578 | ts = timespec_sub(*ts2, *ts1); |
| 579 | |
| 580 | rate = mmc_test_rate(tot, &ts); |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 581 | iops = mmc_test_rate(count * 100, &ts); /* I/O ops per sec x 100 */ |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 582 | |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 583 | pr_info("%s: Transfer of %u x %u sectors (%u x %u%s KiB) took " |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 584 | "%lu.%09lu seconds (%u kB/s, %u KiB/s, " |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 585 | "%u.%02u IOPS, sg_len %d)\n", |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 586 | mmc_hostname(test->card->host), count, sectors, count, |
Adrian Hunter | c27d37a | 2010-09-23 14:51:36 +0300 | [diff] [blame] | 587 | sectors >> 1, (sectors & 1 ? ".5" : ""), |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 588 | (unsigned long)ts.tv_sec, (unsigned long)ts.tv_nsec, |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 589 | rate / 1000, rate / 1024, iops / 100, iops % 100, |
| 590 | test->area.sg_len); |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 591 | |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 592 | mmc_test_save_transfer_result(test, count, sectors, ts, rate, iops); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 593 | } |
| 594 | |
| 595 | /* |
| 596 | * Return the card size in sectors. |
| 597 | */ |
| 598 | static unsigned int mmc_test_capacity(struct mmc_card *card) |
| 599 | { |
| 600 | if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) |
| 601 | return card->ext_csd.sectors; |
| 602 | else |
| 603 | return card->csd.capacity << (card->csd.read_blkbits - 9); |
| 604 | } |
| 605 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 606 | /*******************************************************************/ |
| 607 | /* Test preparation and cleanup */ |
| 608 | /*******************************************************************/ |
| 609 | |
| 610 | /* |
| 611 | * Fill the first couple of sectors of the card with known data |
| 612 | * so that bad reads/writes can be detected |
| 613 | */ |
| 614 | static int __mmc_test_prepare(struct mmc_test_card *test, int write) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 615 | { |
| 616 | int ret, i; |
| 617 | |
| 618 | ret = mmc_test_set_blksize(test, 512); |
| 619 | if (ret) |
| 620 | return ret; |
| 621 | |
| 622 | if (write) |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 623 | memset(test->buffer, 0xDF, 512); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 624 | else { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 625 | for (i = 0;i < 512;i++) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 626 | test->buffer[i] = i; |
| 627 | } |
| 628 | |
| 629 | for (i = 0;i < BUFFER_SIZE / 512;i++) { |
Johan Kristell | c286d03 | 2010-02-10 13:56:34 -0800 | [diff] [blame] | 630 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 631 | if (ret) |
| 632 | return ret; |
| 633 | } |
| 634 | |
| 635 | return 0; |
| 636 | } |
| 637 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 638 | static int mmc_test_prepare_write(struct mmc_test_card *test) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 639 | { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 640 | return __mmc_test_prepare(test, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 641 | } |
| 642 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 643 | static int mmc_test_prepare_read(struct mmc_test_card *test) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 644 | { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 645 | return __mmc_test_prepare(test, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 646 | } |
| 647 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 648 | static int mmc_test_cleanup(struct mmc_test_card *test) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 649 | { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 650 | int ret, i; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 651 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 652 | ret = mmc_test_set_blksize(test, 512); |
| 653 | if (ret) |
| 654 | return ret; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 655 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 656 | memset(test->buffer, 0, 512); |
| 657 | |
| 658 | for (i = 0;i < BUFFER_SIZE / 512;i++) { |
Johan Kristell | c286d03 | 2010-02-10 13:56:34 -0800 | [diff] [blame] | 659 | ret = mmc_test_buffer_transfer(test, test->buffer, i, 512, 1); |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 660 | if (ret) |
| 661 | return ret; |
| 662 | } |
| 663 | |
| 664 | return 0; |
| 665 | } |
| 666 | |
| 667 | /*******************************************************************/ |
| 668 | /* Test execution helpers */ |
| 669 | /*******************************************************************/ |
| 670 | |
| 671 | /* |
| 672 | * Modifies the mmc_request to perform the "short transfer" tests |
| 673 | */ |
| 674 | static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test, |
| 675 | struct mmc_request *mrq, int write) |
| 676 | { |
| 677 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); |
| 678 | |
| 679 | if (mrq->data->blocks > 1) { |
| 680 | mrq->cmd->opcode = write ? |
| 681 | MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK; |
| 682 | mrq->stop = NULL; |
| 683 | } else { |
| 684 | mrq->cmd->opcode = MMC_SEND_STATUS; |
| 685 | mrq->cmd->arg = test->card->rca << 16; |
| 686 | } |
| 687 | } |
| 688 | |
| 689 | /* |
| 690 | * Checks that a normal transfer didn't have any errors |
| 691 | */ |
| 692 | static int mmc_test_check_result(struct mmc_test_card *test, |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 693 | struct mmc_request *mrq) |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 694 | { |
| 695 | int ret; |
| 696 | |
| 697 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); |
| 698 | |
| 699 | ret = 0; |
| 700 | |
| 701 | if (!ret && mrq->cmd->error) |
| 702 | ret = mrq->cmd->error; |
| 703 | if (!ret && mrq->data->error) |
| 704 | ret = mrq->data->error; |
| 705 | if (!ret && mrq->stop && mrq->stop->error) |
| 706 | ret = mrq->stop->error; |
| 707 | if (!ret && mrq->data->bytes_xfered != |
| 708 | mrq->data->blocks * mrq->data->blksz) |
| 709 | ret = RESULT_FAIL; |
| 710 | |
| 711 | if (ret == -EINVAL) |
| 712 | ret = RESULT_UNSUP_HOST; |
| 713 | |
| 714 | return ret; |
| 715 | } |
| 716 | |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 717 | static int mmc_test_check_result_async(struct mmc_card *card, |
| 718 | struct mmc_async_req *areq) |
| 719 | { |
| 720 | struct mmc_test_async_req *test_async = |
| 721 | container_of(areq, struct mmc_test_async_req, areq); |
| 722 | |
| 723 | mmc_test_wait_busy(test_async->test); |
| 724 | |
| 725 | return mmc_test_check_result(test_async->test, areq->mrq); |
| 726 | } |
| 727 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 728 | /* |
| 729 | * Checks that a "short transfer" behaved as expected |
| 730 | */ |
| 731 | static int mmc_test_check_broken_result(struct mmc_test_card *test, |
| 732 | struct mmc_request *mrq) |
| 733 | { |
| 734 | int ret; |
| 735 | |
| 736 | BUG_ON(!mrq || !mrq->cmd || !mrq->data); |
| 737 | |
| 738 | ret = 0; |
| 739 | |
| 740 | if (!ret && mrq->cmd->error) |
| 741 | ret = mrq->cmd->error; |
| 742 | if (!ret && mrq->data->error == 0) |
| 743 | ret = RESULT_FAIL; |
| 744 | if (!ret && mrq->data->error != -ETIMEDOUT) |
| 745 | ret = mrq->data->error; |
| 746 | if (!ret && mrq->stop && mrq->stop->error) |
| 747 | ret = mrq->stop->error; |
| 748 | if (mrq->data->blocks > 1) { |
| 749 | if (!ret && mrq->data->bytes_xfered > mrq->data->blksz) |
| 750 | ret = RESULT_FAIL; |
| 751 | } else { |
| 752 | if (!ret && mrq->data->bytes_xfered > 0) |
| 753 | ret = RESULT_FAIL; |
| 754 | } |
| 755 | |
| 756 | if (ret == -EINVAL) |
| 757 | ret = RESULT_UNSUP_HOST; |
| 758 | |
| 759 | return ret; |
| 760 | } |
| 761 | |
| 762 | /* |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 763 | * Tests nonblock transfer with certain parameters |
| 764 | */ |
| 765 | static void mmc_test_nonblock_reset(struct mmc_request *mrq, |
| 766 | struct mmc_command *cmd, |
| 767 | struct mmc_command *stop, |
| 768 | struct mmc_data *data) |
| 769 | { |
| 770 | memset(mrq, 0, sizeof(struct mmc_request)); |
| 771 | memset(cmd, 0, sizeof(struct mmc_command)); |
| 772 | memset(data, 0, sizeof(struct mmc_data)); |
| 773 | memset(stop, 0, sizeof(struct mmc_command)); |
| 774 | |
| 775 | mrq->cmd = cmd; |
| 776 | mrq->data = data; |
| 777 | mrq->stop = stop; |
| 778 | } |
| 779 | static int mmc_test_nonblock_transfer(struct mmc_test_card *test, |
| 780 | struct scatterlist *sg, unsigned sg_len, |
| 781 | unsigned dev_addr, unsigned blocks, |
| 782 | unsigned blksz, int write, int count) |
| 783 | { |
| 784 | struct mmc_request mrq1; |
| 785 | struct mmc_command cmd1; |
| 786 | struct mmc_command stop1; |
| 787 | struct mmc_data data1; |
| 788 | |
| 789 | struct mmc_request mrq2; |
| 790 | struct mmc_command cmd2; |
| 791 | struct mmc_command stop2; |
| 792 | struct mmc_data data2; |
| 793 | |
| 794 | struct mmc_test_async_req test_areq[2]; |
| 795 | struct mmc_async_req *done_areq; |
| 796 | struct mmc_async_req *cur_areq = &test_areq[0].areq; |
| 797 | struct mmc_async_req *other_areq = &test_areq[1].areq; |
| 798 | int i; |
| 799 | int ret; |
| 800 | |
| 801 | test_areq[0].test = test; |
| 802 | test_areq[1].test = test; |
| 803 | |
| 804 | mmc_test_nonblock_reset(&mrq1, &cmd1, &stop1, &data1); |
| 805 | mmc_test_nonblock_reset(&mrq2, &cmd2, &stop2, &data2); |
| 806 | |
| 807 | cur_areq->mrq = &mrq1; |
| 808 | cur_areq->err_check = mmc_test_check_result_async; |
| 809 | other_areq->mrq = &mrq2; |
| 810 | other_areq->err_check = mmc_test_check_result_async; |
| 811 | |
| 812 | for (i = 0; i < count; i++) { |
| 813 | mmc_test_prepare_mrq(test, cur_areq->mrq, sg, sg_len, dev_addr, |
| 814 | blocks, blksz, write); |
| 815 | done_areq = mmc_start_req(test->card->host, cur_areq, &ret); |
| 816 | |
| 817 | if (ret || (!done_areq && i > 0)) |
| 818 | goto err; |
| 819 | |
| 820 | if (done_areq) { |
| 821 | if (done_areq->mrq == &mrq2) |
| 822 | mmc_test_nonblock_reset(&mrq2, &cmd2, |
| 823 | &stop2, &data2); |
| 824 | else |
| 825 | mmc_test_nonblock_reset(&mrq1, &cmd1, |
| 826 | &stop1, &data1); |
| 827 | } |
| 828 | done_areq = cur_areq; |
| 829 | cur_areq = other_areq; |
| 830 | other_areq = done_areq; |
| 831 | dev_addr += blocks; |
| 832 | } |
| 833 | |
| 834 | done_areq = mmc_start_req(test->card->host, NULL, &ret); |
| 835 | |
| 836 | return ret; |
| 837 | err: |
| 838 | return ret; |
| 839 | } |
| 840 | |
| 841 | /* |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 842 | * Tests a basic transfer with certain parameters |
| 843 | */ |
| 844 | static int mmc_test_simple_transfer(struct mmc_test_card *test, |
| 845 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, |
| 846 | unsigned blocks, unsigned blksz, int write) |
| 847 | { |
Chris Ball | 24f5b53 | 2011-04-13 23:49:45 -0400 | [diff] [blame] | 848 | struct mmc_request mrq = {0}; |
Chris Ball | 1278dba | 2011-04-13 23:40:30 -0400 | [diff] [blame] | 849 | struct mmc_command cmd = {0}; |
| 850 | struct mmc_command stop = {0}; |
Chris Ball | a61ad2b | 2011-04-13 23:46:05 -0400 | [diff] [blame] | 851 | struct mmc_data data = {0}; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 852 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 853 | mrq.cmd = &cmd; |
| 854 | mrq.data = &data; |
| 855 | mrq.stop = &stop; |
| 856 | |
| 857 | mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr, |
| 858 | blocks, blksz, write); |
| 859 | |
| 860 | mmc_wait_for_req(test->card->host, &mrq); |
| 861 | |
| 862 | mmc_test_wait_busy(test); |
| 863 | |
| 864 | return mmc_test_check_result(test, &mrq); |
| 865 | } |
| 866 | |
| 867 | /* |
| 868 | * Tests a transfer where the card will fail completely or partly |
| 869 | */ |
| 870 | static int mmc_test_broken_transfer(struct mmc_test_card *test, |
| 871 | unsigned blocks, unsigned blksz, int write) |
| 872 | { |
Chris Ball | 24f5b53 | 2011-04-13 23:49:45 -0400 | [diff] [blame] | 873 | struct mmc_request mrq = {0}; |
Chris Ball | 1278dba | 2011-04-13 23:40:30 -0400 | [diff] [blame] | 874 | struct mmc_command cmd = {0}; |
| 875 | struct mmc_command stop = {0}; |
Chris Ball | a61ad2b | 2011-04-13 23:46:05 -0400 | [diff] [blame] | 876 | struct mmc_data data = {0}; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 877 | |
| 878 | struct scatterlist sg; |
| 879 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 880 | mrq.cmd = &cmd; |
| 881 | mrq.data = &data; |
| 882 | mrq.stop = &stop; |
| 883 | |
| 884 | sg_init_one(&sg, test->buffer, blocks * blksz); |
| 885 | |
| 886 | mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write); |
| 887 | mmc_test_prepare_broken_mrq(test, &mrq, write); |
| 888 | |
| 889 | mmc_wait_for_req(test->card->host, &mrq); |
| 890 | |
| 891 | mmc_test_wait_busy(test); |
| 892 | |
| 893 | return mmc_test_check_broken_result(test, &mrq); |
| 894 | } |
| 895 | |
| 896 | /* |
| 897 | * Does a complete transfer test where data is also validated |
| 898 | * |
| 899 | * Note: mmc_test_prepare() must have been done before this call |
| 900 | */ |
| 901 | static int mmc_test_transfer(struct mmc_test_card *test, |
| 902 | struct scatterlist *sg, unsigned sg_len, unsigned dev_addr, |
| 903 | unsigned blocks, unsigned blksz, int write) |
| 904 | { |
| 905 | int ret, i; |
| 906 | unsigned long flags; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 907 | |
| 908 | if (write) { |
| 909 | for (i = 0;i < blocks * blksz;i++) |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 910 | test->scratch[i] = i; |
| 911 | } else { |
Pierre Ossman | b7ac2cf | 2008-07-29 01:05:22 +0200 | [diff] [blame] | 912 | memset(test->scratch, 0, BUFFER_SIZE); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 913 | } |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 914 | local_irq_save(flags); |
Pierre Ossman | b7ac2cf | 2008-07-29 01:05:22 +0200 | [diff] [blame] | 915 | sg_copy_from_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 916 | local_irq_restore(flags); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 917 | |
| 918 | ret = mmc_test_set_blksize(test, blksz); |
| 919 | if (ret) |
| 920 | return ret; |
| 921 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 922 | ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr, |
| 923 | blocks, blksz, write); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 924 | if (ret) |
| 925 | return ret; |
| 926 | |
| 927 | if (write) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 928 | int sectors; |
| 929 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 930 | ret = mmc_test_set_blksize(test, 512); |
| 931 | if (ret) |
| 932 | return ret; |
| 933 | |
| 934 | sectors = (blocks * blksz + 511) / 512; |
| 935 | if ((sectors * 512) == (blocks * blksz)) |
| 936 | sectors++; |
| 937 | |
| 938 | if ((sectors * 512) > BUFFER_SIZE) |
| 939 | return -EINVAL; |
| 940 | |
| 941 | memset(test->buffer, 0, sectors * 512); |
| 942 | |
| 943 | for (i = 0;i < sectors;i++) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 944 | ret = mmc_test_buffer_transfer(test, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 945 | test->buffer + i * 512, |
Johan Kristell | c286d03 | 2010-02-10 13:56:34 -0800 | [diff] [blame] | 946 | dev_addr + i, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 947 | if (ret) |
| 948 | return ret; |
| 949 | } |
| 950 | |
| 951 | for (i = 0;i < blocks * blksz;i++) { |
| 952 | if (test->buffer[i] != (u8)i) |
| 953 | return RESULT_FAIL; |
| 954 | } |
| 955 | |
| 956 | for (;i < sectors * 512;i++) { |
| 957 | if (test->buffer[i] != 0xDF) |
| 958 | return RESULT_FAIL; |
| 959 | } |
| 960 | } else { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 961 | local_irq_save(flags); |
Pierre Ossman | b7ac2cf | 2008-07-29 01:05:22 +0200 | [diff] [blame] | 962 | sg_copy_to_buffer(sg, sg_len, test->scratch, BUFFER_SIZE); |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 963 | local_irq_restore(flags); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 964 | for (i = 0;i < blocks * blksz;i++) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 965 | if (test->scratch[i] != (u8)i) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 966 | return RESULT_FAIL; |
| 967 | } |
| 968 | } |
| 969 | |
| 970 | return 0; |
| 971 | } |
| 972 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 973 | /*******************************************************************/ |
| 974 | /* Tests */ |
| 975 | /*******************************************************************/ |
| 976 | |
| 977 | struct mmc_test_case { |
| 978 | const char *name; |
| 979 | |
| 980 | int (*prepare)(struct mmc_test_card *); |
| 981 | int (*run)(struct mmc_test_card *); |
| 982 | int (*cleanup)(struct mmc_test_card *); |
| 983 | }; |
| 984 | |
| 985 | static int mmc_test_basic_write(struct mmc_test_card *test) |
| 986 | { |
| 987 | int ret; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 988 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 989 | |
| 990 | ret = mmc_test_set_blksize(test, 512); |
| 991 | if (ret) |
| 992 | return ret; |
| 993 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 994 | sg_init_one(&sg, test->buffer, 512); |
| 995 | |
| 996 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 997 | if (ret) |
| 998 | return ret; |
| 999 | |
| 1000 | return 0; |
| 1001 | } |
| 1002 | |
| 1003 | static int mmc_test_basic_read(struct mmc_test_card *test) |
| 1004 | { |
| 1005 | int ret; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1006 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1007 | |
| 1008 | ret = mmc_test_set_blksize(test, 512); |
| 1009 | if (ret) |
| 1010 | return ret; |
| 1011 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1012 | sg_init_one(&sg, test->buffer, 512); |
| 1013 | |
Rabin Vincent | 58a5dd3 | 2009-02-13 22:55:26 +0530 | [diff] [blame] | 1014 | ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1015 | if (ret) |
| 1016 | return ret; |
| 1017 | |
| 1018 | return 0; |
| 1019 | } |
| 1020 | |
| 1021 | static int mmc_test_verify_write(struct mmc_test_card *test) |
| 1022 | { |
| 1023 | int ret; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1024 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1025 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1026 | sg_init_one(&sg, test->buffer, 512); |
| 1027 | |
| 1028 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1029 | if (ret) |
| 1030 | return ret; |
| 1031 | |
| 1032 | return 0; |
| 1033 | } |
| 1034 | |
| 1035 | static int mmc_test_verify_read(struct mmc_test_card *test) |
| 1036 | { |
| 1037 | int ret; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1038 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1039 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1040 | sg_init_one(&sg, test->buffer, 512); |
| 1041 | |
| 1042 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1043 | if (ret) |
| 1044 | return ret; |
| 1045 | |
| 1046 | return 0; |
| 1047 | } |
| 1048 | |
| 1049 | static int mmc_test_multi_write(struct mmc_test_card *test) |
| 1050 | { |
| 1051 | int ret; |
| 1052 | unsigned int size; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1053 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1054 | |
| 1055 | if (test->card->host->max_blk_count == 1) |
| 1056 | return RESULT_UNSUP_HOST; |
| 1057 | |
| 1058 | size = PAGE_SIZE * 2; |
| 1059 | size = min(size, test->card->host->max_req_size); |
| 1060 | size = min(size, test->card->host->max_seg_size); |
| 1061 | size = min(size, test->card->host->max_blk_count * 512); |
| 1062 | |
| 1063 | if (size < 1024) |
| 1064 | return RESULT_UNSUP_HOST; |
| 1065 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1066 | sg_init_one(&sg, test->buffer, size); |
| 1067 | |
| 1068 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1069 | if (ret) |
| 1070 | return ret; |
| 1071 | |
| 1072 | return 0; |
| 1073 | } |
| 1074 | |
| 1075 | static int mmc_test_multi_read(struct mmc_test_card *test) |
| 1076 | { |
| 1077 | int ret; |
| 1078 | unsigned int size; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1079 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1080 | |
| 1081 | if (test->card->host->max_blk_count == 1) |
| 1082 | return RESULT_UNSUP_HOST; |
| 1083 | |
| 1084 | size = PAGE_SIZE * 2; |
| 1085 | size = min(size, test->card->host->max_req_size); |
| 1086 | size = min(size, test->card->host->max_seg_size); |
| 1087 | size = min(size, test->card->host->max_blk_count * 512); |
| 1088 | |
| 1089 | if (size < 1024) |
| 1090 | return RESULT_UNSUP_HOST; |
| 1091 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1092 | sg_init_one(&sg, test->buffer, size); |
| 1093 | |
| 1094 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1095 | if (ret) |
| 1096 | return ret; |
| 1097 | |
| 1098 | return 0; |
| 1099 | } |
| 1100 | |
| 1101 | static int mmc_test_pow2_write(struct mmc_test_card *test) |
| 1102 | { |
| 1103 | int ret, i; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1104 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1105 | |
| 1106 | if (!test->card->csd.write_partial) |
| 1107 | return RESULT_UNSUP_CARD; |
| 1108 | |
| 1109 | for (i = 1; i < 512;i <<= 1) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1110 | sg_init_one(&sg, test->buffer, i); |
| 1111 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 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_pow2_read(struct mmc_test_card *test) |
| 1120 | { |
| 1121 | int ret, i; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1122 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1123 | |
| 1124 | if (!test->card->csd.read_partial) |
| 1125 | return RESULT_UNSUP_CARD; |
| 1126 | |
| 1127 | for (i = 1; i < 512;i <<= 1) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1128 | sg_init_one(&sg, test->buffer, i); |
| 1129 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1130 | if (ret) |
| 1131 | return ret; |
| 1132 | } |
| 1133 | |
| 1134 | return 0; |
| 1135 | } |
| 1136 | |
| 1137 | static int mmc_test_weird_write(struct mmc_test_card *test) |
| 1138 | { |
| 1139 | int ret, i; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1140 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1141 | |
| 1142 | if (!test->card->csd.write_partial) |
| 1143 | return RESULT_UNSUP_CARD; |
| 1144 | |
| 1145 | for (i = 3; i < 512;i += 7) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1146 | sg_init_one(&sg, test->buffer, i); |
| 1147 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1148 | if (ret) |
| 1149 | return ret; |
| 1150 | } |
| 1151 | |
| 1152 | return 0; |
| 1153 | } |
| 1154 | |
| 1155 | static int mmc_test_weird_read(struct mmc_test_card *test) |
| 1156 | { |
| 1157 | int ret, i; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1158 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1159 | |
| 1160 | if (!test->card->csd.read_partial) |
| 1161 | return RESULT_UNSUP_CARD; |
| 1162 | |
| 1163 | for (i = 3; i < 512;i += 7) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1164 | sg_init_one(&sg, test->buffer, i); |
| 1165 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1166 | if (ret) |
| 1167 | return ret; |
| 1168 | } |
| 1169 | |
| 1170 | return 0; |
| 1171 | } |
| 1172 | |
| 1173 | static int mmc_test_align_write(struct mmc_test_card *test) |
| 1174 | { |
| 1175 | int ret, i; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1176 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1177 | |
| 1178 | for (i = 1;i < 4;i++) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1179 | sg_init_one(&sg, test->buffer + i, 512); |
| 1180 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1181 | if (ret) |
| 1182 | return ret; |
| 1183 | } |
| 1184 | |
| 1185 | return 0; |
| 1186 | } |
| 1187 | |
| 1188 | static int mmc_test_align_read(struct mmc_test_card *test) |
| 1189 | { |
| 1190 | int ret, i; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1191 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1192 | |
| 1193 | for (i = 1;i < 4;i++) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1194 | sg_init_one(&sg, test->buffer + i, 512); |
| 1195 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1196 | if (ret) |
| 1197 | return ret; |
| 1198 | } |
| 1199 | |
| 1200 | return 0; |
| 1201 | } |
| 1202 | |
| 1203 | static int mmc_test_align_multi_write(struct mmc_test_card *test) |
| 1204 | { |
| 1205 | int ret, i; |
| 1206 | unsigned int size; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1207 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1208 | |
| 1209 | if (test->card->host->max_blk_count == 1) |
| 1210 | return RESULT_UNSUP_HOST; |
| 1211 | |
| 1212 | size = PAGE_SIZE * 2; |
| 1213 | size = min(size, test->card->host->max_req_size); |
| 1214 | size = min(size, test->card->host->max_seg_size); |
| 1215 | size = min(size, test->card->host->max_blk_count * 512); |
| 1216 | |
| 1217 | if (size < 1024) |
| 1218 | return RESULT_UNSUP_HOST; |
| 1219 | |
| 1220 | for (i = 1;i < 4;i++) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1221 | sg_init_one(&sg, test->buffer + i, size); |
| 1222 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1223 | if (ret) |
| 1224 | return ret; |
| 1225 | } |
| 1226 | |
| 1227 | return 0; |
| 1228 | } |
| 1229 | |
| 1230 | static int mmc_test_align_multi_read(struct mmc_test_card *test) |
| 1231 | { |
| 1232 | int ret, i; |
| 1233 | unsigned int size; |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1234 | struct scatterlist sg; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1235 | |
| 1236 | if (test->card->host->max_blk_count == 1) |
| 1237 | return RESULT_UNSUP_HOST; |
| 1238 | |
| 1239 | size = PAGE_SIZE * 2; |
| 1240 | size = min(size, test->card->host->max_req_size); |
| 1241 | size = min(size, test->card->host->max_seg_size); |
| 1242 | size = min(size, test->card->host->max_blk_count * 512); |
| 1243 | |
| 1244 | if (size < 1024) |
| 1245 | return RESULT_UNSUP_HOST; |
| 1246 | |
| 1247 | for (i = 1;i < 4;i++) { |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1248 | sg_init_one(&sg, test->buffer + i, size); |
| 1249 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1250 | if (ret) |
| 1251 | return ret; |
| 1252 | } |
| 1253 | |
| 1254 | return 0; |
| 1255 | } |
| 1256 | |
| 1257 | static int mmc_test_xfersize_write(struct mmc_test_card *test) |
| 1258 | { |
| 1259 | int ret; |
| 1260 | |
| 1261 | ret = mmc_test_set_blksize(test, 512); |
| 1262 | if (ret) |
| 1263 | return ret; |
| 1264 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1265 | ret = mmc_test_broken_transfer(test, 1, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1266 | if (ret) |
| 1267 | return ret; |
| 1268 | |
| 1269 | return 0; |
| 1270 | } |
| 1271 | |
| 1272 | static int mmc_test_xfersize_read(struct mmc_test_card *test) |
| 1273 | { |
| 1274 | int ret; |
| 1275 | |
| 1276 | ret = mmc_test_set_blksize(test, 512); |
| 1277 | if (ret) |
| 1278 | return ret; |
| 1279 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1280 | ret = mmc_test_broken_transfer(test, 1, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1281 | if (ret) |
| 1282 | return ret; |
| 1283 | |
| 1284 | return 0; |
| 1285 | } |
| 1286 | |
| 1287 | static int mmc_test_multi_xfersize_write(struct mmc_test_card *test) |
| 1288 | { |
| 1289 | int ret; |
| 1290 | |
| 1291 | if (test->card->host->max_blk_count == 1) |
| 1292 | return RESULT_UNSUP_HOST; |
| 1293 | |
| 1294 | ret = mmc_test_set_blksize(test, 512); |
| 1295 | if (ret) |
| 1296 | return ret; |
| 1297 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1298 | ret = mmc_test_broken_transfer(test, 2, 512, 1); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1299 | if (ret) |
| 1300 | return ret; |
| 1301 | |
| 1302 | return 0; |
| 1303 | } |
| 1304 | |
| 1305 | static int mmc_test_multi_xfersize_read(struct mmc_test_card *test) |
| 1306 | { |
| 1307 | int ret; |
| 1308 | |
| 1309 | if (test->card->host->max_blk_count == 1) |
| 1310 | return RESULT_UNSUP_HOST; |
| 1311 | |
| 1312 | ret = mmc_test_set_blksize(test, 512); |
| 1313 | if (ret) |
| 1314 | return ret; |
| 1315 | |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 1316 | ret = mmc_test_broken_transfer(test, 2, 512, 0); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 1317 | if (ret) |
| 1318 | return ret; |
| 1319 | |
| 1320 | return 0; |
| 1321 | } |
| 1322 | |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 1323 | #ifdef CONFIG_HIGHMEM |
| 1324 | |
| 1325 | static int mmc_test_write_high(struct mmc_test_card *test) |
| 1326 | { |
| 1327 | int ret; |
| 1328 | struct scatterlist sg; |
| 1329 | |
| 1330 | sg_init_table(&sg, 1); |
| 1331 | sg_set_page(&sg, test->highmem, 512, 0); |
| 1332 | |
| 1333 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1); |
| 1334 | if (ret) |
| 1335 | return ret; |
| 1336 | |
| 1337 | return 0; |
| 1338 | } |
| 1339 | |
| 1340 | static int mmc_test_read_high(struct mmc_test_card *test) |
| 1341 | { |
| 1342 | int ret; |
| 1343 | struct scatterlist sg; |
| 1344 | |
| 1345 | sg_init_table(&sg, 1); |
| 1346 | sg_set_page(&sg, test->highmem, 512, 0); |
| 1347 | |
| 1348 | ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0); |
| 1349 | if (ret) |
| 1350 | return ret; |
| 1351 | |
| 1352 | return 0; |
| 1353 | } |
| 1354 | |
| 1355 | static int mmc_test_multi_write_high(struct mmc_test_card *test) |
| 1356 | { |
| 1357 | int ret; |
| 1358 | unsigned int size; |
| 1359 | struct scatterlist sg; |
| 1360 | |
| 1361 | if (test->card->host->max_blk_count == 1) |
| 1362 | return RESULT_UNSUP_HOST; |
| 1363 | |
| 1364 | size = PAGE_SIZE * 2; |
| 1365 | size = min(size, test->card->host->max_req_size); |
| 1366 | size = min(size, test->card->host->max_seg_size); |
| 1367 | size = min(size, test->card->host->max_blk_count * 512); |
| 1368 | |
| 1369 | if (size < 1024) |
| 1370 | return RESULT_UNSUP_HOST; |
| 1371 | |
| 1372 | sg_init_table(&sg, 1); |
| 1373 | sg_set_page(&sg, test->highmem, size, 0); |
| 1374 | |
| 1375 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1); |
| 1376 | if (ret) |
| 1377 | return ret; |
| 1378 | |
| 1379 | return 0; |
| 1380 | } |
| 1381 | |
| 1382 | static int mmc_test_multi_read_high(struct mmc_test_card *test) |
| 1383 | { |
| 1384 | int ret; |
| 1385 | unsigned int size; |
| 1386 | struct scatterlist sg; |
| 1387 | |
| 1388 | if (test->card->host->max_blk_count == 1) |
| 1389 | return RESULT_UNSUP_HOST; |
| 1390 | |
| 1391 | size = PAGE_SIZE * 2; |
| 1392 | size = min(size, test->card->host->max_req_size); |
| 1393 | size = min(size, test->card->host->max_seg_size); |
| 1394 | size = min(size, test->card->host->max_blk_count * 512); |
| 1395 | |
| 1396 | if (size < 1024) |
| 1397 | return RESULT_UNSUP_HOST; |
| 1398 | |
| 1399 | sg_init_table(&sg, 1); |
| 1400 | sg_set_page(&sg, test->highmem, size, 0); |
| 1401 | |
| 1402 | ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0); |
| 1403 | if (ret) |
| 1404 | return ret; |
| 1405 | |
| 1406 | return 0; |
| 1407 | } |
| 1408 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1409 | #else |
| 1410 | |
| 1411 | static int mmc_test_no_highmem(struct mmc_test_card *test) |
| 1412 | { |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 1413 | pr_info("%s: Highmem not configured - test skipped\n", |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1414 | mmc_hostname(test->card->host)); |
| 1415 | return 0; |
| 1416 | } |
| 1417 | |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 1418 | #endif /* CONFIG_HIGHMEM */ |
| 1419 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1420 | /* |
| 1421 | * Map sz bytes so that it can be transferred. |
| 1422 | */ |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1423 | static int mmc_test_area_map(struct mmc_test_card *test, unsigned long sz, |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 1424 | int max_scatter, int min_sg_len) |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1425 | { |
| 1426 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1427 | int err; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1428 | |
| 1429 | t->blocks = sz >> 9; |
| 1430 | |
| 1431 | if (max_scatter) { |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1432 | err = mmc_test_map_sg_max_scatter(t->mem, sz, t->sg, |
| 1433 | t->max_segs, t->max_seg_sz, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1434 | &t->sg_len); |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1435 | } else { |
| 1436 | err = mmc_test_map_sg(t->mem, sz, t->sg, 1, t->max_segs, |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 1437 | t->max_seg_sz, &t->sg_len, min_sg_len); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1438 | } |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1439 | if (err) |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 1440 | pr_info("%s: Failed to map sg list\n", |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1441 | mmc_hostname(test->card->host)); |
| 1442 | return err; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1443 | } |
| 1444 | |
| 1445 | /* |
| 1446 | * Transfer bytes mapped by mmc_test_area_map(). |
| 1447 | */ |
| 1448 | static int mmc_test_area_transfer(struct mmc_test_card *test, |
| 1449 | unsigned int dev_addr, int write) |
| 1450 | { |
| 1451 | struct mmc_test_area *t = &test->area; |
| 1452 | |
| 1453 | return mmc_test_simple_transfer(test, t->sg, t->sg_len, dev_addr, |
| 1454 | t->blocks, 512, write); |
| 1455 | } |
| 1456 | |
| 1457 | /* |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 1458 | * Map and transfer bytes for multiple transfers. |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1459 | */ |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 1460 | static int mmc_test_area_io_seq(struct mmc_test_card *test, unsigned long sz, |
| 1461 | unsigned int dev_addr, int write, |
| 1462 | int max_scatter, int timed, int count, |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 1463 | bool nonblock, int min_sg_len) |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1464 | { |
| 1465 | struct timespec ts1, ts2; |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 1466 | int ret = 0; |
| 1467 | int i; |
| 1468 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1469 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1470 | /* |
| 1471 | * In the case of a maximally scattered transfer, the maximum transfer |
| 1472 | * size is further limited by using PAGE_SIZE segments. |
| 1473 | */ |
| 1474 | if (max_scatter) { |
| 1475 | struct mmc_test_area *t = &test->area; |
| 1476 | unsigned long max_tfr; |
| 1477 | |
| 1478 | if (t->max_seg_sz >= PAGE_SIZE) |
| 1479 | max_tfr = t->max_segs * PAGE_SIZE; |
| 1480 | else |
| 1481 | max_tfr = t->max_segs * t->max_seg_sz; |
| 1482 | if (sz > max_tfr) |
| 1483 | sz = max_tfr; |
| 1484 | } |
| 1485 | |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 1486 | ret = mmc_test_area_map(test, sz, max_scatter, min_sg_len); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1487 | if (ret) |
| 1488 | return ret; |
| 1489 | |
| 1490 | if (timed) |
| 1491 | getnstimeofday(&ts1); |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 1492 | if (nonblock) |
| 1493 | ret = mmc_test_nonblock_transfer(test, t->sg, t->sg_len, |
| 1494 | dev_addr, t->blocks, 512, write, count); |
| 1495 | else |
| 1496 | for (i = 0; i < count && ret == 0; i++) { |
| 1497 | ret = mmc_test_area_transfer(test, dev_addr, write); |
| 1498 | dev_addr += sz >> 9; |
| 1499 | } |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1500 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1501 | if (ret) |
| 1502 | return ret; |
| 1503 | |
| 1504 | if (timed) |
| 1505 | getnstimeofday(&ts2); |
| 1506 | |
| 1507 | if (timed) |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 1508 | mmc_test_print_avg_rate(test, sz, count, &ts1, &ts2); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1509 | |
| 1510 | return 0; |
| 1511 | } |
| 1512 | |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 1513 | static int mmc_test_area_io(struct mmc_test_card *test, unsigned long sz, |
| 1514 | unsigned int dev_addr, int write, int max_scatter, |
| 1515 | int timed) |
| 1516 | { |
| 1517 | return mmc_test_area_io_seq(test, sz, dev_addr, write, max_scatter, |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 1518 | timed, 1, false, 0); |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 1519 | } |
| 1520 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1521 | /* |
| 1522 | * Write the test area entirely. |
| 1523 | */ |
| 1524 | static int mmc_test_area_fill(struct mmc_test_card *test) |
| 1525 | { |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1526 | struct mmc_test_area *t = &test->area; |
| 1527 | |
| 1528 | return mmc_test_area_io(test, t->max_tfr, t->dev_addr, 1, 0, 0); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1529 | } |
| 1530 | |
| 1531 | /* |
| 1532 | * Erase the test area entirely. |
| 1533 | */ |
| 1534 | static int mmc_test_area_erase(struct mmc_test_card *test) |
| 1535 | { |
| 1536 | struct mmc_test_area *t = &test->area; |
| 1537 | |
| 1538 | if (!mmc_can_erase(test->card)) |
| 1539 | return 0; |
| 1540 | |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1541 | return mmc_erase(test->card, t->dev_addr, t->max_sz >> 9, |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1542 | MMC_ERASE_ARG); |
| 1543 | } |
| 1544 | |
| 1545 | /* |
| 1546 | * Cleanup struct mmc_test_area. |
| 1547 | */ |
| 1548 | static int mmc_test_area_cleanup(struct mmc_test_card *test) |
| 1549 | { |
| 1550 | struct mmc_test_area *t = &test->area; |
| 1551 | |
| 1552 | kfree(t->sg); |
| 1553 | mmc_test_free_mem(t->mem); |
| 1554 | |
| 1555 | return 0; |
| 1556 | } |
| 1557 | |
| 1558 | /* |
Adrian Hunter | 0532ff6 | 2011-02-08 13:41:01 +0200 | [diff] [blame] | 1559 | * Initialize an area for testing large transfers. The test area is set to the |
| 1560 | * middle of the card because cards may have different charateristics at the |
| 1561 | * front (for FAT file system optimization). Optionally, the area is erased |
| 1562 | * (if the card supports it) which may improve write performance. Optionally, |
| 1563 | * the area is filled with data for subsequent read tests. |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1564 | */ |
| 1565 | static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill) |
| 1566 | { |
| 1567 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | 0532ff6 | 2011-02-08 13:41:01 +0200 | [diff] [blame] | 1568 | unsigned long min_sz = 64 * 1024, sz; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1569 | int ret; |
| 1570 | |
| 1571 | ret = mmc_test_set_blksize(test, 512); |
| 1572 | if (ret) |
| 1573 | return ret; |
| 1574 | |
Adrian Hunter | 0532ff6 | 2011-02-08 13:41:01 +0200 | [diff] [blame] | 1575 | /* Make the test area size about 4MiB */ |
| 1576 | sz = (unsigned long)test->card->pref_erase << 9; |
| 1577 | t->max_sz = sz; |
| 1578 | while (t->max_sz < 4 * 1024 * 1024) |
| 1579 | t->max_sz += sz; |
| 1580 | while (t->max_sz > TEST_AREA_MAX_SIZE && t->max_sz > sz) |
| 1581 | t->max_sz -= sz; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1582 | |
| 1583 | t->max_segs = test->card->host->max_segs; |
| 1584 | t->max_seg_sz = test->card->host->max_seg_size; |
Per Forlin | 739c69c | 2011-11-14 12:04:24 +0100 | [diff] [blame] | 1585 | t->max_seg_sz -= t->max_seg_sz % 512; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1586 | |
| 1587 | t->max_tfr = t->max_sz; |
| 1588 | if (t->max_tfr >> 9 > test->card->host->max_blk_count) |
| 1589 | t->max_tfr = test->card->host->max_blk_count << 9; |
| 1590 | if (t->max_tfr > test->card->host->max_req_size) |
| 1591 | t->max_tfr = test->card->host->max_req_size; |
| 1592 | if (t->max_tfr / t->max_seg_sz > t->max_segs) |
| 1593 | t->max_tfr = t->max_segs * t->max_seg_sz; |
| 1594 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1595 | /* |
Adrian Hunter | 3d203be | 2010-09-23 14:51:29 +0300 | [diff] [blame] | 1596 | * 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] | 1597 | * because the same memory can be mapped into the scatterlist more than |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1598 | * once. Also, take into account the limits imposed on scatterlist |
| 1599 | * segments by the host driver. |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1600 | */ |
Adrian Hunter | 3d203be | 2010-09-23 14:51:29 +0300 | [diff] [blame] | 1601 | 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] | 1602 | t->max_seg_sz); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1603 | if (!t->mem) |
| 1604 | return -ENOMEM; |
| 1605 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1606 | t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL); |
| 1607 | if (!t->sg) { |
| 1608 | ret = -ENOMEM; |
| 1609 | goto out_free; |
| 1610 | } |
| 1611 | |
| 1612 | t->dev_addr = mmc_test_capacity(test->card) / 2; |
| 1613 | t->dev_addr -= t->dev_addr % (t->max_sz >> 9); |
| 1614 | |
| 1615 | if (erase) { |
| 1616 | ret = mmc_test_area_erase(test); |
| 1617 | if (ret) |
| 1618 | goto out_free; |
| 1619 | } |
| 1620 | |
| 1621 | if (fill) { |
| 1622 | ret = mmc_test_area_fill(test); |
| 1623 | if (ret) |
| 1624 | goto out_free; |
| 1625 | } |
| 1626 | |
| 1627 | return 0; |
| 1628 | |
| 1629 | out_free: |
| 1630 | mmc_test_area_cleanup(test); |
| 1631 | return ret; |
| 1632 | } |
| 1633 | |
| 1634 | /* |
| 1635 | * Prepare for large transfers. Do not erase the test area. |
| 1636 | */ |
| 1637 | static int mmc_test_area_prepare(struct mmc_test_card *test) |
| 1638 | { |
| 1639 | return mmc_test_area_init(test, 0, 0); |
| 1640 | } |
| 1641 | |
| 1642 | /* |
| 1643 | * Prepare for large transfers. Do erase the test area. |
| 1644 | */ |
| 1645 | static int mmc_test_area_prepare_erase(struct mmc_test_card *test) |
| 1646 | { |
| 1647 | return mmc_test_area_init(test, 1, 0); |
| 1648 | } |
| 1649 | |
| 1650 | /* |
| 1651 | * Prepare for large transfers. Erase and fill the test area. |
| 1652 | */ |
| 1653 | static int mmc_test_area_prepare_fill(struct mmc_test_card *test) |
| 1654 | { |
| 1655 | return mmc_test_area_init(test, 1, 1); |
| 1656 | } |
| 1657 | |
| 1658 | /* |
| 1659 | * Test best-case performance. Best-case performance is expected from |
| 1660 | * a single large transfer. |
| 1661 | * |
| 1662 | * An additional option (max_scatter) allows the measurement of the same |
| 1663 | * transfer but with no contiguous pages in the scatter list. This tests |
| 1664 | * the efficiency of DMA to handle scattered pages. |
| 1665 | */ |
| 1666 | static int mmc_test_best_performance(struct mmc_test_card *test, int write, |
| 1667 | int max_scatter) |
| 1668 | { |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1669 | struct mmc_test_area *t = &test->area; |
| 1670 | |
| 1671 | return mmc_test_area_io(test, t->max_tfr, t->dev_addr, write, |
| 1672 | max_scatter, 1); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1673 | } |
| 1674 | |
| 1675 | /* |
| 1676 | * Best-case read performance. |
| 1677 | */ |
| 1678 | static int mmc_test_best_read_performance(struct mmc_test_card *test) |
| 1679 | { |
| 1680 | return mmc_test_best_performance(test, 0, 0); |
| 1681 | } |
| 1682 | |
| 1683 | /* |
| 1684 | * Best-case write performance. |
| 1685 | */ |
| 1686 | static int mmc_test_best_write_performance(struct mmc_test_card *test) |
| 1687 | { |
| 1688 | return mmc_test_best_performance(test, 1, 0); |
| 1689 | } |
| 1690 | |
| 1691 | /* |
| 1692 | * Best-case read performance into scattered pages. |
| 1693 | */ |
| 1694 | static int mmc_test_best_read_perf_max_scatter(struct mmc_test_card *test) |
| 1695 | { |
| 1696 | return mmc_test_best_performance(test, 0, 1); |
| 1697 | } |
| 1698 | |
| 1699 | /* |
| 1700 | * Best-case write performance from scattered pages. |
| 1701 | */ |
| 1702 | static int mmc_test_best_write_perf_max_scatter(struct mmc_test_card *test) |
| 1703 | { |
| 1704 | return mmc_test_best_performance(test, 1, 1); |
| 1705 | } |
| 1706 | |
| 1707 | /* |
| 1708 | * Single read performance by transfer size. |
| 1709 | */ |
| 1710 | static int mmc_test_profile_read_perf(struct mmc_test_card *test) |
| 1711 | { |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1712 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1713 | unsigned long sz; |
| 1714 | unsigned int dev_addr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1715 | int ret; |
| 1716 | |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1717 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
| 1718 | dev_addr = t->dev_addr + (sz >> 9); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1719 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
| 1720 | if (ret) |
| 1721 | return ret; |
| 1722 | } |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1723 | sz = t->max_tfr; |
| 1724 | dev_addr = t->dev_addr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1725 | return mmc_test_area_io(test, sz, dev_addr, 0, 0, 1); |
| 1726 | } |
| 1727 | |
| 1728 | /* |
| 1729 | * Single write performance by transfer size. |
| 1730 | */ |
| 1731 | static int mmc_test_profile_write_perf(struct mmc_test_card *test) |
| 1732 | { |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1733 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1734 | unsigned long sz; |
| 1735 | unsigned int dev_addr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1736 | int ret; |
| 1737 | |
| 1738 | ret = mmc_test_area_erase(test); |
| 1739 | if (ret) |
| 1740 | return ret; |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1741 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
| 1742 | dev_addr = t->dev_addr + (sz >> 9); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1743 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
| 1744 | if (ret) |
| 1745 | return ret; |
| 1746 | } |
| 1747 | ret = mmc_test_area_erase(test); |
| 1748 | if (ret) |
| 1749 | return ret; |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1750 | sz = t->max_tfr; |
| 1751 | dev_addr = t->dev_addr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1752 | return mmc_test_area_io(test, sz, dev_addr, 1, 0, 1); |
| 1753 | } |
| 1754 | |
| 1755 | /* |
| 1756 | * Single trim performance by transfer size. |
| 1757 | */ |
| 1758 | static int mmc_test_profile_trim_perf(struct mmc_test_card *test) |
| 1759 | { |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1760 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1761 | unsigned long sz; |
| 1762 | unsigned int dev_addr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1763 | struct timespec ts1, ts2; |
| 1764 | int ret; |
| 1765 | |
| 1766 | if (!mmc_can_trim(test->card)) |
| 1767 | return RESULT_UNSUP_CARD; |
| 1768 | |
| 1769 | if (!mmc_can_erase(test->card)) |
| 1770 | return RESULT_UNSUP_HOST; |
| 1771 | |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1772 | for (sz = 512; sz < t->max_sz; sz <<= 1) { |
| 1773 | dev_addr = t->dev_addr + (sz >> 9); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1774 | getnstimeofday(&ts1); |
| 1775 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); |
| 1776 | if (ret) |
| 1777 | return ret; |
| 1778 | getnstimeofday(&ts2); |
| 1779 | mmc_test_print_rate(test, sz, &ts1, &ts2); |
| 1780 | } |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1781 | dev_addr = t->dev_addr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1782 | getnstimeofday(&ts1); |
| 1783 | ret = mmc_erase(test->card, dev_addr, sz >> 9, MMC_TRIM_ARG); |
| 1784 | if (ret) |
| 1785 | return ret; |
| 1786 | getnstimeofday(&ts2); |
| 1787 | mmc_test_print_rate(test, sz, &ts1, &ts2); |
| 1788 | return 0; |
| 1789 | } |
| 1790 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1791 | static int mmc_test_seq_read_perf(struct mmc_test_card *test, unsigned long sz) |
| 1792 | { |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1793 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1794 | unsigned int dev_addr, i, cnt; |
| 1795 | struct timespec ts1, ts2; |
| 1796 | int ret; |
| 1797 | |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1798 | cnt = t->max_sz / sz; |
| 1799 | dev_addr = t->dev_addr; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1800 | getnstimeofday(&ts1); |
| 1801 | for (i = 0; i < cnt; i++) { |
| 1802 | ret = mmc_test_area_io(test, sz, dev_addr, 0, 0, 0); |
| 1803 | if (ret) |
| 1804 | return ret; |
| 1805 | dev_addr += (sz >> 9); |
| 1806 | } |
| 1807 | getnstimeofday(&ts2); |
| 1808 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
| 1809 | return 0; |
| 1810 | } |
| 1811 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1812 | /* |
| 1813 | * Consecutive read performance by transfer size. |
| 1814 | */ |
| 1815 | static int mmc_test_profile_seq_read_perf(struct mmc_test_card *test) |
| 1816 | { |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1817 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1818 | unsigned long sz; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1819 | int ret; |
| 1820 | |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1821 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1822 | ret = mmc_test_seq_read_perf(test, sz); |
| 1823 | if (ret) |
| 1824 | return ret; |
| 1825 | } |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1826 | sz = t->max_tfr; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1827 | return mmc_test_seq_read_perf(test, sz); |
| 1828 | } |
| 1829 | |
| 1830 | static int mmc_test_seq_write_perf(struct mmc_test_card *test, unsigned long sz) |
| 1831 | { |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1832 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1833 | unsigned int dev_addr, i, cnt; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1834 | struct timespec ts1, ts2; |
| 1835 | int ret; |
| 1836 | |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1837 | ret = mmc_test_area_erase(test); |
| 1838 | if (ret) |
| 1839 | return ret; |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1840 | cnt = t->max_sz / sz; |
| 1841 | dev_addr = t->dev_addr; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1842 | getnstimeofday(&ts1); |
| 1843 | for (i = 0; i < cnt; i++) { |
| 1844 | ret = mmc_test_area_io(test, sz, dev_addr, 1, 0, 0); |
| 1845 | if (ret) |
| 1846 | return ret; |
| 1847 | dev_addr += (sz >> 9); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1848 | } |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1849 | getnstimeofday(&ts2); |
| 1850 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1851 | return 0; |
| 1852 | } |
| 1853 | |
| 1854 | /* |
| 1855 | * Consecutive write performance by transfer size. |
| 1856 | */ |
| 1857 | static int mmc_test_profile_seq_write_perf(struct mmc_test_card *test) |
| 1858 | { |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1859 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1860 | unsigned long sz; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1861 | int ret; |
| 1862 | |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1863 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1864 | ret = mmc_test_seq_write_perf(test, sz); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1865 | if (ret) |
| 1866 | return ret; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1867 | } |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1868 | sz = t->max_tfr; |
Adrian Hunter | c8c8c1b | 2010-09-10 11:33:45 +0300 | [diff] [blame] | 1869 | return mmc_test_seq_write_perf(test, sz); |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1870 | } |
| 1871 | |
| 1872 | /* |
| 1873 | * Consecutive trim performance by transfer size. |
| 1874 | */ |
| 1875 | static int mmc_test_profile_seq_trim_perf(struct mmc_test_card *test) |
| 1876 | { |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1877 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | fec4dcc | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1878 | unsigned long sz; |
| 1879 | unsigned int dev_addr, i, cnt; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1880 | struct timespec ts1, ts2; |
| 1881 | int ret; |
| 1882 | |
| 1883 | if (!mmc_can_trim(test->card)) |
| 1884 | return RESULT_UNSUP_CARD; |
| 1885 | |
| 1886 | if (!mmc_can_erase(test->card)) |
| 1887 | return RESULT_UNSUP_HOST; |
| 1888 | |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1889 | for (sz = 512; sz <= t->max_sz; sz <<= 1) { |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1890 | ret = mmc_test_area_erase(test); |
| 1891 | if (ret) |
| 1892 | return ret; |
| 1893 | ret = mmc_test_area_fill(test); |
| 1894 | if (ret) |
| 1895 | return ret; |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1896 | cnt = t->max_sz / sz; |
| 1897 | dev_addr = t->dev_addr; |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 1898 | getnstimeofday(&ts1); |
| 1899 | for (i = 0; i < cnt; i++) { |
| 1900 | ret = mmc_erase(test->card, dev_addr, sz >> 9, |
| 1901 | MMC_TRIM_ARG); |
| 1902 | if (ret) |
| 1903 | return ret; |
| 1904 | dev_addr += (sz >> 9); |
| 1905 | } |
| 1906 | getnstimeofday(&ts2); |
| 1907 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
| 1908 | } |
| 1909 | return 0; |
| 1910 | } |
| 1911 | |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 1912 | static unsigned int rnd_next = 1; |
| 1913 | |
| 1914 | static unsigned int mmc_test_rnd_num(unsigned int rnd_cnt) |
| 1915 | { |
| 1916 | uint64_t r; |
| 1917 | |
| 1918 | rnd_next = rnd_next * 1103515245 + 12345; |
| 1919 | r = (rnd_next >> 16) & 0x7fff; |
| 1920 | return (r * rnd_cnt) >> 15; |
| 1921 | } |
| 1922 | |
| 1923 | static int mmc_test_rnd_perf(struct mmc_test_card *test, int write, int print, |
| 1924 | unsigned long sz) |
| 1925 | { |
| 1926 | unsigned int dev_addr, cnt, rnd_addr, range1, range2, last_ea = 0, ea; |
| 1927 | unsigned int ssz; |
| 1928 | struct timespec ts1, ts2, ts; |
| 1929 | int ret; |
| 1930 | |
| 1931 | ssz = sz >> 9; |
| 1932 | |
| 1933 | rnd_addr = mmc_test_capacity(test->card) / 4; |
| 1934 | range1 = rnd_addr / test->card->pref_erase; |
| 1935 | range2 = range1 / ssz; |
| 1936 | |
| 1937 | getnstimeofday(&ts1); |
| 1938 | for (cnt = 0; cnt < UINT_MAX; cnt++) { |
| 1939 | getnstimeofday(&ts2); |
| 1940 | ts = timespec_sub(ts2, ts1); |
| 1941 | if (ts.tv_sec >= 10) |
| 1942 | break; |
| 1943 | ea = mmc_test_rnd_num(range1); |
| 1944 | if (ea == last_ea) |
| 1945 | ea -= 1; |
| 1946 | last_ea = ea; |
| 1947 | dev_addr = rnd_addr + test->card->pref_erase * ea + |
| 1948 | ssz * mmc_test_rnd_num(range2); |
| 1949 | ret = mmc_test_area_io(test, sz, dev_addr, write, 0, 0); |
| 1950 | if (ret) |
| 1951 | return ret; |
| 1952 | } |
| 1953 | if (print) |
| 1954 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
| 1955 | return 0; |
| 1956 | } |
| 1957 | |
| 1958 | static int mmc_test_random_perf(struct mmc_test_card *test, int write) |
| 1959 | { |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1960 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 1961 | unsigned int next; |
| 1962 | unsigned long sz; |
| 1963 | int ret; |
| 1964 | |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1965 | for (sz = 512; sz < t->max_tfr; sz <<= 1) { |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 1966 | /* |
| 1967 | * When writing, try to get more consistent results by running |
| 1968 | * the test twice with exactly the same I/O but outputting the |
| 1969 | * results only for the 2nd run. |
| 1970 | */ |
| 1971 | if (write) { |
| 1972 | next = rnd_next; |
| 1973 | ret = mmc_test_rnd_perf(test, write, 0, sz); |
| 1974 | if (ret) |
| 1975 | return ret; |
| 1976 | rnd_next = next; |
| 1977 | } |
| 1978 | ret = mmc_test_rnd_perf(test, write, 1, sz); |
| 1979 | if (ret) |
| 1980 | return ret; |
| 1981 | } |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 1982 | sz = t->max_tfr; |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 1983 | if (write) { |
| 1984 | next = rnd_next; |
| 1985 | ret = mmc_test_rnd_perf(test, write, 0, sz); |
| 1986 | if (ret) |
| 1987 | return ret; |
| 1988 | rnd_next = next; |
| 1989 | } |
| 1990 | return mmc_test_rnd_perf(test, write, 1, sz); |
| 1991 | } |
| 1992 | |
| 1993 | /* |
| 1994 | * Random read performance by transfer size. |
| 1995 | */ |
| 1996 | static int mmc_test_random_read_perf(struct mmc_test_card *test) |
| 1997 | { |
| 1998 | return mmc_test_random_perf(test, 0); |
| 1999 | } |
| 2000 | |
| 2001 | /* |
| 2002 | * Random write performance by transfer size. |
| 2003 | */ |
| 2004 | static int mmc_test_random_write_perf(struct mmc_test_card *test) |
| 2005 | { |
| 2006 | return mmc_test_random_perf(test, 1); |
| 2007 | } |
| 2008 | |
Adrian Hunter | a803d55 | 2011-02-08 13:41:03 +0200 | [diff] [blame] | 2009 | static int mmc_test_seq_perf(struct mmc_test_card *test, int write, |
| 2010 | unsigned int tot_sz, int max_scatter) |
| 2011 | { |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 2012 | struct mmc_test_area *t = &test->area; |
Adrian Hunter | a803d55 | 2011-02-08 13:41:03 +0200 | [diff] [blame] | 2013 | unsigned int dev_addr, i, cnt, sz, ssz; |
Chris Ball | 5a8fba5 | 2011-03-16 17:46:45 -0400 | [diff] [blame] | 2014 | struct timespec ts1, ts2; |
Adrian Hunter | a803d55 | 2011-02-08 13:41:03 +0200 | [diff] [blame] | 2015 | int ret; |
| 2016 | |
Andy Shevchenko | 253d6a2 | 2011-05-10 15:59:01 +0300 | [diff] [blame] | 2017 | sz = t->max_tfr; |
| 2018 | |
Adrian Hunter | a803d55 | 2011-02-08 13:41:03 +0200 | [diff] [blame] | 2019 | /* |
| 2020 | * In the case of a maximally scattered transfer, the maximum transfer |
| 2021 | * size is further limited by using PAGE_SIZE segments. |
| 2022 | */ |
| 2023 | if (max_scatter) { |
Adrian Hunter | a803d55 | 2011-02-08 13:41:03 +0200 | [diff] [blame] | 2024 | unsigned long max_tfr; |
| 2025 | |
| 2026 | if (t->max_seg_sz >= PAGE_SIZE) |
| 2027 | max_tfr = t->max_segs * PAGE_SIZE; |
| 2028 | else |
| 2029 | max_tfr = t->max_segs * t->max_seg_sz; |
| 2030 | if (sz > max_tfr) |
| 2031 | sz = max_tfr; |
| 2032 | } |
| 2033 | |
| 2034 | ssz = sz >> 9; |
| 2035 | dev_addr = mmc_test_capacity(test->card) / 4; |
| 2036 | if (tot_sz > dev_addr << 9) |
| 2037 | tot_sz = dev_addr << 9; |
| 2038 | cnt = tot_sz / sz; |
| 2039 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ |
| 2040 | |
| 2041 | getnstimeofday(&ts1); |
| 2042 | for (i = 0; i < cnt; i++) { |
| 2043 | ret = mmc_test_area_io(test, sz, dev_addr, write, |
| 2044 | max_scatter, 0); |
| 2045 | if (ret) |
| 2046 | return ret; |
| 2047 | dev_addr += ssz; |
| 2048 | } |
| 2049 | getnstimeofday(&ts2); |
| 2050 | |
Adrian Hunter | a803d55 | 2011-02-08 13:41:03 +0200 | [diff] [blame] | 2051 | mmc_test_print_avg_rate(test, sz, cnt, &ts1, &ts2); |
| 2052 | |
| 2053 | return 0; |
| 2054 | } |
| 2055 | |
| 2056 | static int mmc_test_large_seq_perf(struct mmc_test_card *test, int write) |
| 2057 | { |
| 2058 | int ret, i; |
| 2059 | |
| 2060 | for (i = 0; i < 10; i++) { |
| 2061 | ret = mmc_test_seq_perf(test, write, 10 * 1024 * 1024, 1); |
| 2062 | if (ret) |
| 2063 | return ret; |
| 2064 | } |
| 2065 | for (i = 0; i < 5; i++) { |
| 2066 | ret = mmc_test_seq_perf(test, write, 100 * 1024 * 1024, 1); |
| 2067 | if (ret) |
| 2068 | return ret; |
| 2069 | } |
| 2070 | for (i = 0; i < 3; i++) { |
| 2071 | ret = mmc_test_seq_perf(test, write, 1000 * 1024 * 1024, 1); |
| 2072 | if (ret) |
| 2073 | return ret; |
| 2074 | } |
| 2075 | |
| 2076 | return ret; |
| 2077 | } |
| 2078 | |
| 2079 | /* |
| 2080 | * Large sequential read performance. |
| 2081 | */ |
| 2082 | static int mmc_test_large_seq_read_perf(struct mmc_test_card *test) |
| 2083 | { |
| 2084 | return mmc_test_large_seq_perf(test, 0); |
| 2085 | } |
| 2086 | |
| 2087 | /* |
| 2088 | * Large sequential write performance. |
| 2089 | */ |
| 2090 | static int mmc_test_large_seq_write_perf(struct mmc_test_card *test) |
| 2091 | { |
| 2092 | return mmc_test_large_seq_perf(test, 1); |
| 2093 | } |
| 2094 | |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 2095 | static int mmc_test_rw_multiple(struct mmc_test_card *test, |
| 2096 | struct mmc_test_multiple_rw *tdata, |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 2097 | unsigned int reqsize, unsigned int size, |
| 2098 | int min_sg_len) |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 2099 | { |
| 2100 | unsigned int dev_addr; |
| 2101 | struct mmc_test_area *t = &test->area; |
| 2102 | int ret = 0; |
| 2103 | |
| 2104 | /* Set up test area */ |
| 2105 | if (size > mmc_test_capacity(test->card) / 2 * 512) |
| 2106 | size = mmc_test_capacity(test->card) / 2 * 512; |
| 2107 | if (reqsize > t->max_tfr) |
| 2108 | reqsize = t->max_tfr; |
| 2109 | dev_addr = mmc_test_capacity(test->card) / 4; |
| 2110 | if ((dev_addr & 0xffff0000)) |
| 2111 | dev_addr &= 0xffff0000; /* Round to 64MiB boundary */ |
| 2112 | else |
| 2113 | dev_addr &= 0xfffff800; /* Round to 1MiB boundary */ |
| 2114 | if (!dev_addr) |
| 2115 | goto err; |
| 2116 | |
| 2117 | if (reqsize > size) |
| 2118 | return 0; |
| 2119 | |
| 2120 | /* prepare test area */ |
| 2121 | if (mmc_can_erase(test->card) && |
| 2122 | tdata->prepare & MMC_TEST_PREP_ERASE) { |
| 2123 | ret = mmc_erase(test->card, dev_addr, |
| 2124 | size / 512, MMC_SECURE_ERASE_ARG); |
| 2125 | if (ret) |
| 2126 | ret = mmc_erase(test->card, dev_addr, |
| 2127 | size / 512, MMC_ERASE_ARG); |
| 2128 | if (ret) |
| 2129 | goto err; |
| 2130 | } |
| 2131 | |
| 2132 | /* Run test */ |
| 2133 | ret = mmc_test_area_io_seq(test, reqsize, dev_addr, |
| 2134 | tdata->do_write, 0, 1, size / reqsize, |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 2135 | tdata->do_nonblock_req, min_sg_len); |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 2136 | if (ret) |
| 2137 | goto err; |
| 2138 | |
| 2139 | return ret; |
| 2140 | err: |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 2141 | pr_info("[%s] error\n", __func__); |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 2142 | return ret; |
| 2143 | } |
| 2144 | |
| 2145 | static int mmc_test_rw_multiple_size(struct mmc_test_card *test, |
| 2146 | struct mmc_test_multiple_rw *rw) |
| 2147 | { |
| 2148 | int ret = 0; |
| 2149 | int i; |
| 2150 | void *pre_req = test->card->host->ops->pre_req; |
| 2151 | void *post_req = test->card->host->ops->post_req; |
| 2152 | |
| 2153 | if (rw->do_nonblock_req && |
| 2154 | ((!pre_req && post_req) || (pre_req && !post_req))) { |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 2155 | pr_info("error: only one of pre/post is defined\n"); |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 2156 | return -EINVAL; |
| 2157 | } |
| 2158 | |
| 2159 | for (i = 0 ; i < rw->len && ret == 0; i++) { |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 2160 | ret = mmc_test_rw_multiple(test, rw, rw->bs[i], rw->size, 0); |
| 2161 | if (ret) |
| 2162 | break; |
| 2163 | } |
| 2164 | return ret; |
| 2165 | } |
| 2166 | |
| 2167 | static int mmc_test_rw_multiple_sg_len(struct mmc_test_card *test, |
| 2168 | struct mmc_test_multiple_rw *rw) |
| 2169 | { |
| 2170 | int ret = 0; |
| 2171 | int i; |
| 2172 | |
| 2173 | for (i = 0 ; i < rw->len && ret == 0; i++) { |
| 2174 | ret = mmc_test_rw_multiple(test, rw, 512*1024, rw->size, |
| 2175 | rw->sg_len[i]); |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 2176 | if (ret) |
| 2177 | break; |
| 2178 | } |
| 2179 | return ret; |
| 2180 | } |
| 2181 | |
| 2182 | /* |
| 2183 | * Multiple blocking write 4k to 4 MB chunks |
| 2184 | */ |
| 2185 | static int mmc_test_profile_mult_write_blocking_perf(struct mmc_test_card *test) |
| 2186 | { |
| 2187 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, |
| 2188 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; |
| 2189 | struct mmc_test_multiple_rw test_data = { |
| 2190 | .bs = bs, |
| 2191 | .size = TEST_AREA_MAX_SIZE, |
| 2192 | .len = ARRAY_SIZE(bs), |
| 2193 | .do_write = true, |
| 2194 | .do_nonblock_req = false, |
| 2195 | .prepare = MMC_TEST_PREP_ERASE, |
| 2196 | }; |
| 2197 | |
| 2198 | return mmc_test_rw_multiple_size(test, &test_data); |
| 2199 | }; |
| 2200 | |
| 2201 | /* |
| 2202 | * Multiple non-blocking write 4k to 4 MB chunks |
| 2203 | */ |
| 2204 | static int mmc_test_profile_mult_write_nonblock_perf(struct mmc_test_card *test) |
| 2205 | { |
| 2206 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, |
| 2207 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; |
| 2208 | struct mmc_test_multiple_rw test_data = { |
| 2209 | .bs = bs, |
| 2210 | .size = TEST_AREA_MAX_SIZE, |
| 2211 | .len = ARRAY_SIZE(bs), |
| 2212 | .do_write = true, |
| 2213 | .do_nonblock_req = true, |
| 2214 | .prepare = MMC_TEST_PREP_ERASE, |
| 2215 | }; |
| 2216 | |
| 2217 | return mmc_test_rw_multiple_size(test, &test_data); |
| 2218 | } |
| 2219 | |
| 2220 | /* |
| 2221 | * Multiple blocking read 4k to 4 MB chunks |
| 2222 | */ |
| 2223 | static int mmc_test_profile_mult_read_blocking_perf(struct mmc_test_card *test) |
| 2224 | { |
| 2225 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, |
| 2226 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; |
| 2227 | struct mmc_test_multiple_rw test_data = { |
| 2228 | .bs = bs, |
| 2229 | .size = TEST_AREA_MAX_SIZE, |
| 2230 | .len = ARRAY_SIZE(bs), |
| 2231 | .do_write = false, |
| 2232 | .do_nonblock_req = false, |
| 2233 | .prepare = MMC_TEST_PREP_NONE, |
| 2234 | }; |
| 2235 | |
| 2236 | return mmc_test_rw_multiple_size(test, &test_data); |
| 2237 | } |
| 2238 | |
| 2239 | /* |
| 2240 | * Multiple non-blocking read 4k to 4 MB chunks |
| 2241 | */ |
| 2242 | static int mmc_test_profile_mult_read_nonblock_perf(struct mmc_test_card *test) |
| 2243 | { |
| 2244 | unsigned int bs[] = {1 << 12, 1 << 13, 1 << 14, 1 << 15, 1 << 16, |
| 2245 | 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 22}; |
| 2246 | struct mmc_test_multiple_rw test_data = { |
| 2247 | .bs = bs, |
| 2248 | .size = TEST_AREA_MAX_SIZE, |
| 2249 | .len = ARRAY_SIZE(bs), |
| 2250 | .do_write = false, |
| 2251 | .do_nonblock_req = true, |
| 2252 | .prepare = MMC_TEST_PREP_NONE, |
| 2253 | }; |
| 2254 | |
| 2255 | return mmc_test_rw_multiple_size(test, &test_data); |
| 2256 | } |
| 2257 | |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 2258 | /* |
| 2259 | * Multiple blocking write 1 to 512 sg elements |
| 2260 | */ |
| 2261 | static int mmc_test_profile_sglen_wr_blocking_perf(struct mmc_test_card *test) |
| 2262 | { |
| 2263 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, |
| 2264 | 1 << 7, 1 << 8, 1 << 9}; |
| 2265 | struct mmc_test_multiple_rw test_data = { |
| 2266 | .sg_len = sg_len, |
| 2267 | .size = TEST_AREA_MAX_SIZE, |
| 2268 | .len = ARRAY_SIZE(sg_len), |
| 2269 | .do_write = true, |
| 2270 | .do_nonblock_req = false, |
| 2271 | .prepare = MMC_TEST_PREP_ERASE, |
| 2272 | }; |
| 2273 | |
| 2274 | return mmc_test_rw_multiple_sg_len(test, &test_data); |
| 2275 | }; |
| 2276 | |
| 2277 | /* |
| 2278 | * Multiple non-blocking write 1 to 512 sg elements |
| 2279 | */ |
| 2280 | static int mmc_test_profile_sglen_wr_nonblock_perf(struct mmc_test_card *test) |
| 2281 | { |
| 2282 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, |
| 2283 | 1 << 7, 1 << 8, 1 << 9}; |
| 2284 | struct mmc_test_multiple_rw test_data = { |
| 2285 | .sg_len = sg_len, |
| 2286 | .size = TEST_AREA_MAX_SIZE, |
| 2287 | .len = ARRAY_SIZE(sg_len), |
| 2288 | .do_write = true, |
| 2289 | .do_nonblock_req = true, |
| 2290 | .prepare = MMC_TEST_PREP_ERASE, |
| 2291 | }; |
| 2292 | |
| 2293 | return mmc_test_rw_multiple_sg_len(test, &test_data); |
| 2294 | } |
| 2295 | |
| 2296 | /* |
| 2297 | * Multiple blocking read 1 to 512 sg elements |
| 2298 | */ |
| 2299 | static int mmc_test_profile_sglen_r_blocking_perf(struct mmc_test_card *test) |
| 2300 | { |
| 2301 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, |
| 2302 | 1 << 7, 1 << 8, 1 << 9}; |
| 2303 | struct mmc_test_multiple_rw test_data = { |
| 2304 | .sg_len = sg_len, |
| 2305 | .size = TEST_AREA_MAX_SIZE, |
| 2306 | .len = ARRAY_SIZE(sg_len), |
| 2307 | .do_write = false, |
| 2308 | .do_nonblock_req = false, |
| 2309 | .prepare = MMC_TEST_PREP_NONE, |
| 2310 | }; |
| 2311 | |
| 2312 | return mmc_test_rw_multiple_sg_len(test, &test_data); |
| 2313 | } |
| 2314 | |
| 2315 | /* |
| 2316 | * Multiple non-blocking read 1 to 512 sg elements |
| 2317 | */ |
| 2318 | static int mmc_test_profile_sglen_r_nonblock_perf(struct mmc_test_card *test) |
| 2319 | { |
| 2320 | unsigned int sg_len[] = {1, 1 << 3, 1 << 4, 1 << 5, 1 << 6, |
| 2321 | 1 << 7, 1 << 8, 1 << 9}; |
| 2322 | struct mmc_test_multiple_rw test_data = { |
| 2323 | .sg_len = sg_len, |
| 2324 | .size = TEST_AREA_MAX_SIZE, |
| 2325 | .len = ARRAY_SIZE(sg_len), |
| 2326 | .do_write = false, |
| 2327 | .do_nonblock_req = true, |
| 2328 | .prepare = MMC_TEST_PREP_NONE, |
| 2329 | }; |
| 2330 | |
| 2331 | return mmc_test_rw_multiple_sg_len(test, &test_data); |
| 2332 | } |
| 2333 | |
Adrian Hunter | 2311344 | 2011-08-29 16:42:14 +0300 | [diff] [blame] | 2334 | /* |
| 2335 | * eMMC hardware reset. |
| 2336 | */ |
| 2337 | static int mmc_test_hw_reset(struct mmc_test_card *test) |
| 2338 | { |
| 2339 | struct mmc_card *card = test->card; |
| 2340 | struct mmc_host *host = card->host; |
| 2341 | int err; |
| 2342 | |
| 2343 | err = mmc_hw_reset_check(host); |
| 2344 | if (!err) |
| 2345 | return RESULT_OK; |
| 2346 | |
| 2347 | if (err == -ENOSYS) |
| 2348 | return RESULT_FAIL; |
| 2349 | |
| 2350 | if (err != -EOPNOTSUPP) |
| 2351 | return err; |
| 2352 | |
| 2353 | if (!mmc_can_reset(card)) |
| 2354 | return RESULT_UNSUP_CARD; |
| 2355 | |
| 2356 | return RESULT_UNSUP_HOST; |
| 2357 | } |
| 2358 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2359 | static const struct mmc_test_case mmc_test_cases[] = { |
| 2360 | { |
| 2361 | .name = "Basic write (no data verification)", |
| 2362 | .run = mmc_test_basic_write, |
| 2363 | }, |
| 2364 | |
| 2365 | { |
| 2366 | .name = "Basic read (no data verification)", |
| 2367 | .run = mmc_test_basic_read, |
| 2368 | }, |
| 2369 | |
| 2370 | { |
| 2371 | .name = "Basic write (with data verification)", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2372 | .prepare = mmc_test_prepare_write, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2373 | .run = mmc_test_verify_write, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2374 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2375 | }, |
| 2376 | |
| 2377 | { |
| 2378 | .name = "Basic read (with data verification)", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2379 | .prepare = mmc_test_prepare_read, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2380 | .run = mmc_test_verify_read, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2381 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2382 | }, |
| 2383 | |
| 2384 | { |
| 2385 | .name = "Multi-block write", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2386 | .prepare = mmc_test_prepare_write, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2387 | .run = mmc_test_multi_write, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2388 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2389 | }, |
| 2390 | |
| 2391 | { |
| 2392 | .name = "Multi-block read", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2393 | .prepare = mmc_test_prepare_read, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2394 | .run = mmc_test_multi_read, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2395 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2396 | }, |
| 2397 | |
| 2398 | { |
| 2399 | .name = "Power of two block writes", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2400 | .prepare = mmc_test_prepare_write, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2401 | .run = mmc_test_pow2_write, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2402 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2403 | }, |
| 2404 | |
| 2405 | { |
| 2406 | .name = "Power of two block reads", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2407 | .prepare = mmc_test_prepare_read, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2408 | .run = mmc_test_pow2_read, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2409 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2410 | }, |
| 2411 | |
| 2412 | { |
| 2413 | .name = "Weird sized block writes", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2414 | .prepare = mmc_test_prepare_write, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2415 | .run = mmc_test_weird_write, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2416 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2417 | }, |
| 2418 | |
| 2419 | { |
| 2420 | .name = "Weird sized block reads", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2421 | .prepare = mmc_test_prepare_read, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2422 | .run = mmc_test_weird_read, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2423 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2424 | }, |
| 2425 | |
| 2426 | { |
| 2427 | .name = "Badly aligned write", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2428 | .prepare = mmc_test_prepare_write, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2429 | .run = mmc_test_align_write, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2430 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2431 | }, |
| 2432 | |
| 2433 | { |
| 2434 | .name = "Badly aligned read", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2435 | .prepare = mmc_test_prepare_read, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2436 | .run = mmc_test_align_read, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2437 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2438 | }, |
| 2439 | |
| 2440 | { |
| 2441 | .name = "Badly aligned multi-block write", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2442 | .prepare = mmc_test_prepare_write, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2443 | .run = mmc_test_align_multi_write, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2444 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2445 | }, |
| 2446 | |
| 2447 | { |
| 2448 | .name = "Badly aligned multi-block read", |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2449 | .prepare = mmc_test_prepare_read, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2450 | .run = mmc_test_align_multi_read, |
Pierre Ossman | 6b17493 | 2008-06-30 09:09:27 +0200 | [diff] [blame] | 2451 | .cleanup = mmc_test_cleanup, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2452 | }, |
| 2453 | |
| 2454 | { |
| 2455 | .name = "Correct xfer_size at write (start failure)", |
| 2456 | .run = mmc_test_xfersize_write, |
| 2457 | }, |
| 2458 | |
| 2459 | { |
| 2460 | .name = "Correct xfer_size at read (start failure)", |
| 2461 | .run = mmc_test_xfersize_read, |
| 2462 | }, |
| 2463 | |
| 2464 | { |
| 2465 | .name = "Correct xfer_size at write (midway failure)", |
| 2466 | .run = mmc_test_multi_xfersize_write, |
| 2467 | }, |
| 2468 | |
| 2469 | { |
| 2470 | .name = "Correct xfer_size at read (midway failure)", |
| 2471 | .run = mmc_test_multi_xfersize_read, |
| 2472 | }, |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 2473 | |
| 2474 | #ifdef CONFIG_HIGHMEM |
| 2475 | |
| 2476 | { |
| 2477 | .name = "Highmem write", |
| 2478 | .prepare = mmc_test_prepare_write, |
| 2479 | .run = mmc_test_write_high, |
| 2480 | .cleanup = mmc_test_cleanup, |
| 2481 | }, |
| 2482 | |
| 2483 | { |
| 2484 | .name = "Highmem read", |
| 2485 | .prepare = mmc_test_prepare_read, |
| 2486 | .run = mmc_test_read_high, |
| 2487 | .cleanup = mmc_test_cleanup, |
| 2488 | }, |
| 2489 | |
| 2490 | { |
| 2491 | .name = "Multi-block highmem write", |
| 2492 | .prepare = mmc_test_prepare_write, |
| 2493 | .run = mmc_test_multi_write_high, |
| 2494 | .cleanup = mmc_test_cleanup, |
| 2495 | }, |
| 2496 | |
| 2497 | { |
| 2498 | .name = "Multi-block highmem read", |
| 2499 | .prepare = mmc_test_prepare_read, |
| 2500 | .run = mmc_test_multi_read_high, |
| 2501 | .cleanup = mmc_test_cleanup, |
| 2502 | }, |
| 2503 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 2504 | #else |
| 2505 | |
| 2506 | { |
| 2507 | .name = "Highmem write", |
| 2508 | .run = mmc_test_no_highmem, |
| 2509 | }, |
| 2510 | |
| 2511 | { |
| 2512 | .name = "Highmem read", |
| 2513 | .run = mmc_test_no_highmem, |
| 2514 | }, |
| 2515 | |
| 2516 | { |
| 2517 | .name = "Multi-block highmem write", |
| 2518 | .run = mmc_test_no_highmem, |
| 2519 | }, |
| 2520 | |
| 2521 | { |
| 2522 | .name = "Multi-block highmem read", |
| 2523 | .run = mmc_test_no_highmem, |
| 2524 | }, |
| 2525 | |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 2526 | #endif /* CONFIG_HIGHMEM */ |
| 2527 | |
Adrian Hunter | 64f7120 | 2010-08-11 14:17:51 -0700 | [diff] [blame] | 2528 | { |
| 2529 | .name = "Best-case read performance", |
| 2530 | .prepare = mmc_test_area_prepare_fill, |
| 2531 | .run = mmc_test_best_read_performance, |
| 2532 | .cleanup = mmc_test_area_cleanup, |
| 2533 | }, |
| 2534 | |
| 2535 | { |
| 2536 | .name = "Best-case write performance", |
| 2537 | .prepare = mmc_test_area_prepare_erase, |
| 2538 | .run = mmc_test_best_write_performance, |
| 2539 | .cleanup = mmc_test_area_cleanup, |
| 2540 | }, |
| 2541 | |
| 2542 | { |
| 2543 | .name = "Best-case read performance into scattered pages", |
| 2544 | .prepare = mmc_test_area_prepare_fill, |
| 2545 | .run = mmc_test_best_read_perf_max_scatter, |
| 2546 | .cleanup = mmc_test_area_cleanup, |
| 2547 | }, |
| 2548 | |
| 2549 | { |
| 2550 | .name = "Best-case write performance from scattered pages", |
| 2551 | .prepare = mmc_test_area_prepare_erase, |
| 2552 | .run = mmc_test_best_write_perf_max_scatter, |
| 2553 | .cleanup = mmc_test_area_cleanup, |
| 2554 | }, |
| 2555 | |
| 2556 | { |
| 2557 | .name = "Single read performance by transfer size", |
| 2558 | .prepare = mmc_test_area_prepare_fill, |
| 2559 | .run = mmc_test_profile_read_perf, |
| 2560 | .cleanup = mmc_test_area_cleanup, |
| 2561 | }, |
| 2562 | |
| 2563 | { |
| 2564 | .name = "Single write performance by transfer size", |
| 2565 | .prepare = mmc_test_area_prepare, |
| 2566 | .run = mmc_test_profile_write_perf, |
| 2567 | .cleanup = mmc_test_area_cleanup, |
| 2568 | }, |
| 2569 | |
| 2570 | { |
| 2571 | .name = "Single trim performance by transfer size", |
| 2572 | .prepare = mmc_test_area_prepare_fill, |
| 2573 | .run = mmc_test_profile_trim_perf, |
| 2574 | .cleanup = mmc_test_area_cleanup, |
| 2575 | }, |
| 2576 | |
| 2577 | { |
| 2578 | .name = "Consecutive read performance by transfer size", |
| 2579 | .prepare = mmc_test_area_prepare_fill, |
| 2580 | .run = mmc_test_profile_seq_read_perf, |
| 2581 | .cleanup = mmc_test_area_cleanup, |
| 2582 | }, |
| 2583 | |
| 2584 | { |
| 2585 | .name = "Consecutive write performance by transfer size", |
| 2586 | .prepare = mmc_test_area_prepare, |
| 2587 | .run = mmc_test_profile_seq_write_perf, |
| 2588 | .cleanup = mmc_test_area_cleanup, |
| 2589 | }, |
| 2590 | |
| 2591 | { |
| 2592 | .name = "Consecutive trim performance by transfer size", |
| 2593 | .prepare = mmc_test_area_prepare, |
| 2594 | .run = mmc_test_profile_seq_trim_perf, |
| 2595 | .cleanup = mmc_test_area_cleanup, |
| 2596 | }, |
| 2597 | |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 2598 | { |
| 2599 | .name = "Random read performance by transfer size", |
| 2600 | .prepare = mmc_test_area_prepare, |
| 2601 | .run = mmc_test_random_read_perf, |
| 2602 | .cleanup = mmc_test_area_cleanup, |
| 2603 | }, |
| 2604 | |
| 2605 | { |
| 2606 | .name = "Random write performance by transfer size", |
| 2607 | .prepare = mmc_test_area_prepare, |
| 2608 | .run = mmc_test_random_write_perf, |
| 2609 | .cleanup = mmc_test_area_cleanup, |
| 2610 | }, |
| 2611 | |
Adrian Hunter | a803d55 | 2011-02-08 13:41:03 +0200 | [diff] [blame] | 2612 | { |
| 2613 | .name = "Large sequential read into scattered pages", |
| 2614 | .prepare = mmc_test_area_prepare, |
| 2615 | .run = mmc_test_large_seq_read_perf, |
| 2616 | .cleanup = mmc_test_area_cleanup, |
| 2617 | }, |
| 2618 | |
| 2619 | { |
| 2620 | .name = "Large sequential write from scattered pages", |
| 2621 | .prepare = mmc_test_area_prepare, |
| 2622 | .run = mmc_test_large_seq_write_perf, |
| 2623 | .cleanup = mmc_test_area_cleanup, |
| 2624 | }, |
| 2625 | |
Per Forlin | 9f9c418 | 2011-07-01 18:55:26 +0200 | [diff] [blame] | 2626 | { |
| 2627 | .name = "Write performance with blocking req 4k to 4MB", |
| 2628 | .prepare = mmc_test_area_prepare, |
| 2629 | .run = mmc_test_profile_mult_write_blocking_perf, |
| 2630 | .cleanup = mmc_test_area_cleanup, |
| 2631 | }, |
| 2632 | |
| 2633 | { |
| 2634 | .name = "Write performance with non-blocking req 4k to 4MB", |
| 2635 | .prepare = mmc_test_area_prepare, |
| 2636 | .run = mmc_test_profile_mult_write_nonblock_perf, |
| 2637 | .cleanup = mmc_test_area_cleanup, |
| 2638 | }, |
| 2639 | |
| 2640 | { |
| 2641 | .name = "Read performance with blocking req 4k to 4MB", |
| 2642 | .prepare = mmc_test_area_prepare, |
| 2643 | .run = mmc_test_profile_mult_read_blocking_perf, |
| 2644 | .cleanup = mmc_test_area_cleanup, |
| 2645 | }, |
| 2646 | |
| 2647 | { |
| 2648 | .name = "Read performance with non-blocking req 4k to 4MB", |
| 2649 | .prepare = mmc_test_area_prepare, |
| 2650 | .run = mmc_test_profile_mult_read_nonblock_perf, |
| 2651 | .cleanup = mmc_test_area_cleanup, |
| 2652 | }, |
Per Forlin | bf04333 | 2011-07-01 18:55:27 +0200 | [diff] [blame] | 2653 | |
| 2654 | { |
| 2655 | .name = "Write performance blocking req 1 to 512 sg elems", |
| 2656 | .prepare = mmc_test_area_prepare, |
| 2657 | .run = mmc_test_profile_sglen_wr_blocking_perf, |
| 2658 | .cleanup = mmc_test_area_cleanup, |
| 2659 | }, |
| 2660 | |
| 2661 | { |
| 2662 | .name = "Write performance non-blocking req 1 to 512 sg elems", |
| 2663 | .prepare = mmc_test_area_prepare, |
| 2664 | .run = mmc_test_profile_sglen_wr_nonblock_perf, |
| 2665 | .cleanup = mmc_test_area_cleanup, |
| 2666 | }, |
| 2667 | |
| 2668 | { |
| 2669 | .name = "Read performance blocking req 1 to 512 sg elems", |
| 2670 | .prepare = mmc_test_area_prepare, |
| 2671 | .run = mmc_test_profile_sglen_r_blocking_perf, |
| 2672 | .cleanup = mmc_test_area_cleanup, |
| 2673 | }, |
| 2674 | |
| 2675 | { |
| 2676 | .name = "Read performance non-blocking req 1 to 512 sg elems", |
| 2677 | .prepare = mmc_test_area_prepare, |
| 2678 | .run = mmc_test_profile_sglen_r_nonblock_perf, |
| 2679 | .cleanup = mmc_test_area_cleanup, |
| 2680 | }, |
Adrian Hunter | 2311344 | 2011-08-29 16:42:14 +0300 | [diff] [blame] | 2681 | |
| 2682 | { |
| 2683 | .name = "eMMC hardware reset", |
| 2684 | .run = mmc_test_hw_reset, |
| 2685 | }, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2686 | }; |
| 2687 | |
Akinobu Mita | a650031 | 2008-09-13 19:03:32 +0900 | [diff] [blame] | 2688 | static DEFINE_MUTEX(mmc_test_lock); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2689 | |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2690 | static LIST_HEAD(mmc_test_result); |
| 2691 | |
Pierre Ossman | fd8c326 | 2008-05-24 22:36:31 +0200 | [diff] [blame] | 2692 | static void mmc_test_run(struct mmc_test_card *test, int testcase) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2693 | { |
| 2694 | int i, ret; |
| 2695 | |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 2696 | pr_info("%s: Starting tests of card %s...\n", |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2697 | mmc_hostname(test->card->host), mmc_card_id(test->card)); |
| 2698 | |
| 2699 | mmc_claim_host(test->card->host); |
| 2700 | |
| 2701 | for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) { |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2702 | struct mmc_test_general_result *gr; |
| 2703 | |
Pierre Ossman | fd8c326 | 2008-05-24 22:36:31 +0200 | [diff] [blame] | 2704 | if (testcase && ((i + 1) != testcase)) |
| 2705 | continue; |
| 2706 | |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 2707 | pr_info("%s: Test case %d. %s...\n", |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2708 | mmc_hostname(test->card->host), i + 1, |
| 2709 | mmc_test_cases[i].name); |
| 2710 | |
| 2711 | if (mmc_test_cases[i].prepare) { |
| 2712 | ret = mmc_test_cases[i].prepare(test); |
| 2713 | if (ret) { |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 2714 | pr_info("%s: Result: Prepare " |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2715 | "stage failed! (%d)\n", |
| 2716 | mmc_hostname(test->card->host), |
| 2717 | ret); |
| 2718 | continue; |
| 2719 | } |
| 2720 | } |
| 2721 | |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2722 | gr = kzalloc(sizeof(struct mmc_test_general_result), |
| 2723 | GFP_KERNEL); |
| 2724 | if (gr) { |
| 2725 | INIT_LIST_HEAD(&gr->tr_lst); |
| 2726 | |
| 2727 | /* Assign data what we know already */ |
| 2728 | gr->card = test->card; |
| 2729 | gr->testcase = i; |
| 2730 | |
| 2731 | /* Append container to global one */ |
| 2732 | list_add_tail(&gr->link, &mmc_test_result); |
| 2733 | |
| 2734 | /* |
| 2735 | * Save the pointer to created container in our private |
| 2736 | * structure. |
| 2737 | */ |
| 2738 | test->gr = gr; |
| 2739 | } |
| 2740 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2741 | ret = mmc_test_cases[i].run(test); |
| 2742 | switch (ret) { |
| 2743 | case RESULT_OK: |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 2744 | pr_info("%s: Result: OK\n", |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2745 | mmc_hostname(test->card->host)); |
| 2746 | break; |
| 2747 | case RESULT_FAIL: |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 2748 | pr_info("%s: Result: FAILED\n", |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2749 | mmc_hostname(test->card->host)); |
| 2750 | break; |
| 2751 | case RESULT_UNSUP_HOST: |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 2752 | pr_info("%s: Result: UNSUPPORTED " |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2753 | "(by host)\n", |
| 2754 | mmc_hostname(test->card->host)); |
| 2755 | break; |
| 2756 | case RESULT_UNSUP_CARD: |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 2757 | pr_info("%s: Result: UNSUPPORTED " |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2758 | "(by card)\n", |
| 2759 | mmc_hostname(test->card->host)); |
| 2760 | break; |
| 2761 | default: |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 2762 | pr_info("%s: Result: ERROR (%d)\n", |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2763 | mmc_hostname(test->card->host), ret); |
| 2764 | } |
| 2765 | |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2766 | /* Save the result */ |
| 2767 | if (gr) |
| 2768 | gr->result = ret; |
| 2769 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2770 | if (mmc_test_cases[i].cleanup) { |
| 2771 | ret = mmc_test_cases[i].cleanup(test); |
| 2772 | if (ret) { |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 2773 | pr_info("%s: Warning: Cleanup " |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2774 | "stage failed! (%d)\n", |
| 2775 | mmc_hostname(test->card->host), |
| 2776 | ret); |
| 2777 | } |
| 2778 | } |
| 2779 | } |
| 2780 | |
| 2781 | mmc_release_host(test->card->host); |
| 2782 | |
Girish K S | a3c76eb | 2011-10-11 11:44:09 +0530 | [diff] [blame] | 2783 | pr_info("%s: Tests completed.\n", |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2784 | mmc_hostname(test->card->host)); |
| 2785 | } |
| 2786 | |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2787 | static void mmc_test_free_result(struct mmc_card *card) |
| 2788 | { |
| 2789 | struct mmc_test_general_result *gr, *grs; |
| 2790 | |
| 2791 | mutex_lock(&mmc_test_lock); |
| 2792 | |
| 2793 | list_for_each_entry_safe(gr, grs, &mmc_test_result, link) { |
| 2794 | struct mmc_test_transfer_result *tr, *trs; |
| 2795 | |
| 2796 | if (card && gr->card != card) |
| 2797 | continue; |
| 2798 | |
| 2799 | list_for_each_entry_safe(tr, trs, &gr->tr_lst, link) { |
| 2800 | list_del(&tr->link); |
| 2801 | kfree(tr); |
| 2802 | } |
| 2803 | |
| 2804 | list_del(&gr->link); |
| 2805 | kfree(gr); |
| 2806 | } |
| 2807 | |
| 2808 | mutex_unlock(&mmc_test_lock); |
| 2809 | } |
| 2810 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2811 | static LIST_HEAD(mmc_test_file_test); |
| 2812 | |
| 2813 | static int mtf_test_show(struct seq_file *sf, void *data) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2814 | { |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2815 | struct mmc_card *card = (struct mmc_card *)sf->private; |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2816 | struct mmc_test_general_result *gr; |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2817 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2818 | mutex_lock(&mmc_test_lock); |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2819 | |
| 2820 | list_for_each_entry(gr, &mmc_test_result, link) { |
| 2821 | struct mmc_test_transfer_result *tr; |
| 2822 | |
| 2823 | if (gr->card != card) |
| 2824 | continue; |
| 2825 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2826 | seq_printf(sf, "Test %d: %d\n", gr->testcase + 1, gr->result); |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2827 | |
| 2828 | list_for_each_entry(tr, &gr->tr_lst, link) { |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 2829 | seq_printf(sf, "%u %d %lu.%09lu %u %u.%02u\n", |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2830 | tr->count, tr->sectors, |
| 2831 | (unsigned long)tr->ts.tv_sec, |
| 2832 | (unsigned long)tr->ts.tv_nsec, |
Adrian Hunter | b6056d1 | 2011-02-08 13:41:02 +0200 | [diff] [blame] | 2833 | tr->rate, tr->iops / 100, tr->iops % 100); |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2834 | } |
| 2835 | } |
| 2836 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2837 | mutex_unlock(&mmc_test_lock); |
| 2838 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2839 | return 0; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2840 | } |
| 2841 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2842 | static int mtf_test_open(struct inode *inode, struct file *file) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2843 | { |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2844 | return single_open(file, mtf_test_show, inode->i_private); |
| 2845 | } |
| 2846 | |
| 2847 | static ssize_t mtf_test_write(struct file *file, const char __user *buf, |
| 2848 | size_t count, loff_t *pos) |
| 2849 | { |
| 2850 | struct seq_file *sf = (struct seq_file *)file->private_data; |
| 2851 | struct mmc_card *card = (struct mmc_card *)sf->private; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2852 | struct mmc_test_card *test; |
Andy Shevchenko | 5c25aee | 2010-09-01 09:26:46 +0300 | [diff] [blame] | 2853 | long testcase; |
Jingoo Han | 4be7085 | 2013-07-19 16:02:43 +0900 | [diff] [blame] | 2854 | int ret; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2855 | |
Jingoo Han | 4be7085 | 2013-07-19 16:02:43 +0900 | [diff] [blame] | 2856 | ret = kstrtol_from_user(buf, count, 10, &testcase); |
| 2857 | if (ret) |
| 2858 | return ret; |
Pierre Ossman | fd8c326 | 2008-05-24 22:36:31 +0200 | [diff] [blame] | 2859 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2860 | test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL); |
| 2861 | if (!test) |
| 2862 | return -ENOMEM; |
| 2863 | |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 2864 | /* |
| 2865 | * Remove all test cases associated with given card. Thus we have only |
| 2866 | * actual data of the last run. |
| 2867 | */ |
| 2868 | mmc_test_free_result(card); |
| 2869 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2870 | test->card = card; |
| 2871 | |
| 2872 | test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 2873 | #ifdef CONFIG_HIGHMEM |
| 2874 | test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); |
| 2875 | #endif |
| 2876 | |
| 2877 | #ifdef CONFIG_HIGHMEM |
| 2878 | if (test->buffer && test->highmem) { |
| 2879 | #else |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2880 | if (test->buffer) { |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 2881 | #endif |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2882 | mutex_lock(&mmc_test_lock); |
Pierre Ossman | fd8c326 | 2008-05-24 22:36:31 +0200 | [diff] [blame] | 2883 | mmc_test_run(test, testcase); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2884 | mutex_unlock(&mmc_test_lock); |
| 2885 | } |
| 2886 | |
Pierre Ossman | 2661081 | 2008-07-04 18:17:13 +0200 | [diff] [blame] | 2887 | #ifdef CONFIG_HIGHMEM |
| 2888 | __free_pages(test->highmem, BUFFER_ORDER); |
| 2889 | #endif |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 2890 | kfree(test->buffer); |
| 2891 | kfree(test); |
| 2892 | |
| 2893 | return count; |
| 2894 | } |
| 2895 | |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2896 | static const struct file_operations mmc_test_fops_test = { |
| 2897 | .open = mtf_test_open, |
| 2898 | .read = seq_read, |
| 2899 | .write = mtf_test_write, |
| 2900 | .llseek = seq_lseek, |
| 2901 | .release = single_release, |
| 2902 | }; |
| 2903 | |
Per Forlin | 54f3caf | 2011-07-01 18:55:25 +0200 | [diff] [blame] | 2904 | static int mtf_testlist_show(struct seq_file *sf, void *data) |
| 2905 | { |
| 2906 | int i; |
| 2907 | |
| 2908 | mutex_lock(&mmc_test_lock); |
| 2909 | |
| 2910 | for (i = 0; i < ARRAY_SIZE(mmc_test_cases); i++) |
| 2911 | seq_printf(sf, "%d:\t%s\n", i+1, mmc_test_cases[i].name); |
| 2912 | |
| 2913 | mutex_unlock(&mmc_test_lock); |
| 2914 | |
| 2915 | return 0; |
| 2916 | } |
| 2917 | |
| 2918 | static int mtf_testlist_open(struct inode *inode, struct file *file) |
| 2919 | { |
| 2920 | return single_open(file, mtf_testlist_show, inode->i_private); |
| 2921 | } |
| 2922 | |
| 2923 | static const struct file_operations mmc_test_fops_testlist = { |
| 2924 | .open = mtf_testlist_open, |
| 2925 | .read = seq_read, |
| 2926 | .llseek = seq_lseek, |
| 2927 | .release = single_release, |
| 2928 | }; |
| 2929 | |
Andy Shevchenko | d5a5bd1 | 2011-07-22 16:13:36 +0300 | [diff] [blame] | 2930 | static void mmc_test_free_dbgfs_file(struct mmc_card *card) |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2931 | { |
| 2932 | struct mmc_test_dbgfs_file *df, *dfs; |
| 2933 | |
| 2934 | mutex_lock(&mmc_test_lock); |
| 2935 | |
| 2936 | list_for_each_entry_safe(df, dfs, &mmc_test_file_test, link) { |
| 2937 | if (card && df->card != card) |
| 2938 | continue; |
| 2939 | debugfs_remove(df->file); |
| 2940 | list_del(&df->link); |
| 2941 | kfree(df); |
| 2942 | } |
| 2943 | |
| 2944 | mutex_unlock(&mmc_test_lock); |
| 2945 | } |
| 2946 | |
Andy Shevchenko | d5a5bd1 | 2011-07-22 16:13:36 +0300 | [diff] [blame] | 2947 | static int __mmc_test_register_dbgfs_file(struct mmc_card *card, |
Al Viro | f4ae40a | 2011-07-24 04:33:43 -0400 | [diff] [blame] | 2948 | const char *name, umode_t mode, const struct file_operations *fops) |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2949 | { |
| 2950 | struct dentry *file = NULL; |
| 2951 | struct mmc_test_dbgfs_file *df; |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2952 | |
| 2953 | if (card->debugfs_root) |
Andy Shevchenko | d5a5bd1 | 2011-07-22 16:13:36 +0300 | [diff] [blame] | 2954 | file = debugfs_create_file(name, mode, card->debugfs_root, |
| 2955 | card, fops); |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2956 | |
| 2957 | if (IS_ERR_OR_NULL(file)) { |
| 2958 | dev_err(&card->dev, |
Andy Shevchenko | d5a5bd1 | 2011-07-22 16:13:36 +0300 | [diff] [blame] | 2959 | "Can't create %s. Perhaps debugfs is disabled.\n", |
| 2960 | name); |
| 2961 | return -ENODEV; |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2962 | } |
| 2963 | |
| 2964 | df = kmalloc(sizeof(struct mmc_test_dbgfs_file), GFP_KERNEL); |
| 2965 | if (!df) { |
| 2966 | debugfs_remove(file); |
| 2967 | dev_err(&card->dev, |
| 2968 | "Can't allocate memory for internal usage.\n"); |
Andy Shevchenko | d5a5bd1 | 2011-07-22 16:13:36 +0300 | [diff] [blame] | 2969 | return -ENOMEM; |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2970 | } |
| 2971 | |
| 2972 | df->card = card; |
| 2973 | df->file = file; |
| 2974 | |
| 2975 | list_add(&df->link, &mmc_test_file_test); |
Andy Shevchenko | d5a5bd1 | 2011-07-22 16:13:36 +0300 | [diff] [blame] | 2976 | return 0; |
| 2977 | } |
| 2978 | |
| 2979 | static int mmc_test_register_dbgfs_file(struct mmc_card *card) |
| 2980 | { |
| 2981 | int ret; |
| 2982 | |
| 2983 | mutex_lock(&mmc_test_lock); |
| 2984 | |
| 2985 | ret = __mmc_test_register_dbgfs_file(card, "test", S_IWUSR | S_IRUGO, |
| 2986 | &mmc_test_fops_test); |
| 2987 | if (ret) |
| 2988 | goto err; |
| 2989 | |
| 2990 | ret = __mmc_test_register_dbgfs_file(card, "testlist", S_IRUGO, |
| 2991 | &mmc_test_fops_testlist); |
| 2992 | if (ret) |
| 2993 | goto err; |
Andy Shevchenko | 130067e | 2010-09-10 10:10:50 +0300 | [diff] [blame] | 2994 | |
| 2995 | err: |
| 2996 | mutex_unlock(&mmc_test_lock); |
| 2997 | |
| 2998 | return ret; |
| 2999 | } |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 3000 | |
Ulf Hansson | 6685ac6 | 2014-10-06 13:51:40 +0200 | [diff] [blame] | 3001 | static int mmc_test_probe(struct device *dev) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 3002 | { |
Ulf Hansson | 6685ac6 | 2014-10-06 13:51:40 +0200 | [diff] [blame] | 3003 | struct mmc_card *card = mmc_dev_to_card(dev); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 3004 | int ret; |
| 3005 | |
Andy Shevchenko | 63be54c | 2010-09-01 09:26:45 +0300 | [diff] [blame] | 3006 | if (!mmc_card_mmc(card) && !mmc_card_sd(card)) |
Pierre Ossman | 0121a98 | 2008-06-28 17:51:27 +0200 | [diff] [blame] | 3007 | return -ENODEV; |
| 3008 | |
Andy Shevchenko | d5a5bd1 | 2011-07-22 16:13:36 +0300 | [diff] [blame] | 3009 | ret = mmc_test_register_dbgfs_file(card); |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 3010 | if (ret) |
| 3011 | return ret; |
| 3012 | |
Pierre Ossman | 60c9c7b | 2008-07-22 14:38:35 +0200 | [diff] [blame] | 3013 | dev_info(&card->dev, "Card claimed for testing.\n"); |
| 3014 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 3015 | return 0; |
| 3016 | } |
| 3017 | |
Ulf Hansson | 6685ac6 | 2014-10-06 13:51:40 +0200 | [diff] [blame] | 3018 | static int mmc_test_remove(struct device *dev) |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 3019 | { |
Ulf Hansson | 6685ac6 | 2014-10-06 13:51:40 +0200 | [diff] [blame] | 3020 | struct mmc_card *card = mmc_dev_to_card(dev); |
| 3021 | |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 3022 | mmc_test_free_result(card); |
Andy Shevchenko | d5a5bd1 | 2011-07-22 16:13:36 +0300 | [diff] [blame] | 3023 | mmc_test_free_dbgfs_file(card); |
Ulf Hansson | 6685ac6 | 2014-10-06 13:51:40 +0200 | [diff] [blame] | 3024 | |
| 3025 | return 0; |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 3026 | } |
| 3027 | |
Ulf Hansson | 6685ac6 | 2014-10-06 13:51:40 +0200 | [diff] [blame] | 3028 | static void mmc_test_shutdown(struct device *dev) |
Ulf Hansson | 7628774 | 2013-06-10 17:03:40 +0200 | [diff] [blame] | 3029 | { |
| 3030 | } |
| 3031 | |
Ulf Hansson | 6685ac6 | 2014-10-06 13:51:40 +0200 | [diff] [blame] | 3032 | static struct device_driver mmc_driver = { |
| 3033 | .name = "mmc_test", |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 3034 | .probe = mmc_test_probe, |
| 3035 | .remove = mmc_test_remove, |
Ulf Hansson | 7628774 | 2013-06-10 17:03:40 +0200 | [diff] [blame] | 3036 | .shutdown = mmc_test_shutdown, |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 3037 | }; |
| 3038 | |
| 3039 | static int __init mmc_test_init(void) |
| 3040 | { |
| 3041 | return mmc_register_driver(&mmc_driver); |
| 3042 | } |
| 3043 | |
| 3044 | static void __exit mmc_test_exit(void) |
| 3045 | { |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 3046 | /* Clear stalled data if card is still plugged */ |
| 3047 | mmc_test_free_result(NULL); |
Andy Shevchenko | d5a5bd1 | 2011-07-22 16:13:36 +0300 | [diff] [blame] | 3048 | mmc_test_free_dbgfs_file(NULL); |
Andy Shevchenko | 3183aa1 | 2010-09-01 09:26:47 +0300 | [diff] [blame] | 3049 | |
Pierre Ossman | 88ae600 | 2007-08-12 14:23:50 +0200 | [diff] [blame] | 3050 | mmc_unregister_driver(&mmc_driver); |
| 3051 | } |
| 3052 | |
| 3053 | module_init(mmc_test_init); |
| 3054 | module_exit(mmc_test_exit); |
| 3055 | |
| 3056 | MODULE_LICENSE("GPL"); |
| 3057 | MODULE_DESCRIPTION("Multimedia Card (MMC) host test driver"); |
| 3058 | MODULE_AUTHOR("Pierre Ossman"); |