Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 1 | // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 |
| 2 | /* Copyright (c) 2018 Mellanox Technologies. All rights reserved */ |
| 3 | |
| 4 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 5 | |
| 6 | #include <linux/kernel.h> |
| 7 | #include <linux/module.h> |
| 8 | #include <linux/slab.h> |
| 9 | #include <linux/random.h> |
| 10 | #include <linux/objagg.h> |
| 11 | |
| 12 | struct tokey { |
| 13 | unsigned int id; |
| 14 | }; |
| 15 | |
| 16 | #define NUM_KEYS 32 |
| 17 | |
| 18 | static int key_id_index(unsigned int key_id) |
| 19 | { |
| 20 | if (key_id >= NUM_KEYS) { |
| 21 | WARN_ON(1); |
| 22 | return 0; |
| 23 | } |
| 24 | return key_id; |
| 25 | } |
| 26 | |
| 27 | #define BUF_LEN 128 |
| 28 | |
| 29 | struct world { |
| 30 | unsigned int root_count; |
| 31 | unsigned int delta_count; |
| 32 | char next_root_buf[BUF_LEN]; |
| 33 | struct objagg_obj *objagg_objs[NUM_KEYS]; |
| 34 | unsigned int key_refs[NUM_KEYS]; |
| 35 | }; |
| 36 | |
| 37 | struct root { |
| 38 | struct tokey key; |
| 39 | char buf[BUF_LEN]; |
| 40 | }; |
| 41 | |
| 42 | struct delta { |
| 43 | unsigned int key_id_diff; |
| 44 | }; |
| 45 | |
| 46 | static struct objagg_obj *world_obj_get(struct world *world, |
| 47 | struct objagg *objagg, |
| 48 | unsigned int key_id) |
| 49 | { |
| 50 | struct objagg_obj *objagg_obj; |
| 51 | struct tokey key; |
| 52 | int err; |
| 53 | |
| 54 | key.id = key_id; |
| 55 | objagg_obj = objagg_obj_get(objagg, &key); |
| 56 | if (IS_ERR(objagg_obj)) { |
| 57 | pr_err("Key %u: Failed to get object.\n", key_id); |
| 58 | return objagg_obj; |
| 59 | } |
| 60 | if (!world->key_refs[key_id_index(key_id)]) { |
| 61 | world->objagg_objs[key_id_index(key_id)] = objagg_obj; |
| 62 | } else if (world->objagg_objs[key_id_index(key_id)] != objagg_obj) { |
| 63 | pr_err("Key %u: God another object for the same key.\n", |
| 64 | key_id); |
| 65 | err = -EINVAL; |
| 66 | goto err_key_id_check; |
| 67 | } |
| 68 | world->key_refs[key_id_index(key_id)]++; |
| 69 | return objagg_obj; |
| 70 | |
| 71 | err_key_id_check: |
| 72 | objagg_obj_put(objagg, objagg_obj); |
| 73 | return ERR_PTR(err); |
| 74 | } |
| 75 | |
| 76 | static void world_obj_put(struct world *world, struct objagg *objagg, |
| 77 | unsigned int key_id) |
| 78 | { |
| 79 | struct objagg_obj *objagg_obj; |
| 80 | |
| 81 | if (!world->key_refs[key_id_index(key_id)]) |
| 82 | return; |
| 83 | objagg_obj = world->objagg_objs[key_id_index(key_id)]; |
| 84 | objagg_obj_put(objagg, objagg_obj); |
| 85 | world->key_refs[key_id_index(key_id)]--; |
| 86 | } |
| 87 | |
| 88 | #define MAX_KEY_ID_DIFF 5 |
| 89 | |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 90 | static bool delta_check(void *priv, const void *parent_obj, const void *obj) |
| 91 | { |
| 92 | const struct tokey *parent_key = parent_obj; |
| 93 | const struct tokey *key = obj; |
| 94 | int diff = key->id - parent_key->id; |
| 95 | |
| 96 | return diff >= 0 && diff <= MAX_KEY_ID_DIFF; |
| 97 | } |
| 98 | |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 99 | static void *delta_create(void *priv, void *parent_obj, void *obj) |
| 100 | { |
| 101 | struct tokey *parent_key = parent_obj; |
| 102 | struct world *world = priv; |
| 103 | struct tokey *key = obj; |
| 104 | int diff = key->id - parent_key->id; |
| 105 | struct delta *delta; |
| 106 | |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 107 | if (!delta_check(priv, parent_obj, obj)) |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 108 | return ERR_PTR(-EINVAL); |
| 109 | |
| 110 | delta = kzalloc(sizeof(*delta), GFP_KERNEL); |
| 111 | if (!delta) |
| 112 | return ERR_PTR(-ENOMEM); |
| 113 | delta->key_id_diff = diff; |
| 114 | world->delta_count++; |
| 115 | return delta; |
| 116 | } |
| 117 | |
| 118 | static void delta_destroy(void *priv, void *delta_priv) |
| 119 | { |
| 120 | struct delta *delta = delta_priv; |
| 121 | struct world *world = priv; |
| 122 | |
| 123 | world->delta_count--; |
| 124 | kfree(delta); |
| 125 | } |
| 126 | |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 127 | static void *root_create(void *priv, void *obj, unsigned int id) |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 128 | { |
| 129 | struct world *world = priv; |
| 130 | struct tokey *key = obj; |
| 131 | struct root *root; |
| 132 | |
| 133 | root = kzalloc(sizeof(*root), GFP_KERNEL); |
| 134 | if (!root) |
| 135 | return ERR_PTR(-ENOMEM); |
| 136 | memcpy(&root->key, key, sizeof(root->key)); |
| 137 | memcpy(root->buf, world->next_root_buf, sizeof(root->buf)); |
| 138 | world->root_count++; |
| 139 | return root; |
| 140 | } |
| 141 | |
| 142 | static void root_destroy(void *priv, void *root_priv) |
| 143 | { |
| 144 | struct root *root = root_priv; |
| 145 | struct world *world = priv; |
| 146 | |
| 147 | world->root_count--; |
| 148 | kfree(root); |
| 149 | } |
| 150 | |
| 151 | static int test_nodelta_obj_get(struct world *world, struct objagg *objagg, |
| 152 | unsigned int key_id, bool should_create_root) |
| 153 | { |
| 154 | unsigned int orig_root_count = world->root_count; |
| 155 | struct objagg_obj *objagg_obj; |
| 156 | const struct root *root; |
| 157 | int err; |
| 158 | |
| 159 | if (should_create_root) |
Jason A. Donenfeld | 197173d | 2022-10-05 17:49:46 +0200 | [diff] [blame] | 160 | get_random_bytes(world->next_root_buf, |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 161 | sizeof(world->next_root_buf)); |
| 162 | |
| 163 | objagg_obj = world_obj_get(world, objagg, key_id); |
| 164 | if (IS_ERR(objagg_obj)) { |
| 165 | pr_err("Key %u: Failed to get object.\n", key_id); |
| 166 | return PTR_ERR(objagg_obj); |
| 167 | } |
| 168 | if (should_create_root) { |
| 169 | if (world->root_count != orig_root_count + 1) { |
| 170 | pr_err("Key %u: Root was not created\n", key_id); |
| 171 | err = -EINVAL; |
| 172 | goto err_check_root_count; |
| 173 | } |
| 174 | } else { |
| 175 | if (world->root_count != orig_root_count) { |
| 176 | pr_err("Key %u: Root was incorrectly created\n", |
| 177 | key_id); |
| 178 | err = -EINVAL; |
| 179 | goto err_check_root_count; |
| 180 | } |
| 181 | } |
| 182 | root = objagg_obj_root_priv(objagg_obj); |
| 183 | if (root->key.id != key_id) { |
| 184 | pr_err("Key %u: Root has unexpected key id\n", key_id); |
| 185 | err = -EINVAL; |
| 186 | goto err_check_key_id; |
| 187 | } |
| 188 | if (should_create_root && |
| 189 | memcmp(world->next_root_buf, root->buf, sizeof(root->buf))) { |
| 190 | pr_err("Key %u: Buffer does not match the expected content\n", |
| 191 | key_id); |
| 192 | err = -EINVAL; |
| 193 | goto err_check_buf; |
| 194 | } |
| 195 | return 0; |
| 196 | |
| 197 | err_check_buf: |
| 198 | err_check_key_id: |
| 199 | err_check_root_count: |
| 200 | objagg_obj_put(objagg, objagg_obj); |
| 201 | return err; |
| 202 | } |
| 203 | |
| 204 | static int test_nodelta_obj_put(struct world *world, struct objagg *objagg, |
| 205 | unsigned int key_id, bool should_destroy_root) |
| 206 | { |
| 207 | unsigned int orig_root_count = world->root_count; |
| 208 | |
| 209 | world_obj_put(world, objagg, key_id); |
| 210 | |
| 211 | if (should_destroy_root) { |
| 212 | if (world->root_count != orig_root_count - 1) { |
| 213 | pr_err("Key %u: Root was not destroyed\n", key_id); |
| 214 | return -EINVAL; |
| 215 | } |
| 216 | } else { |
| 217 | if (world->root_count != orig_root_count) { |
| 218 | pr_err("Key %u: Root was incorrectly destroyed\n", |
| 219 | key_id); |
| 220 | return -EINVAL; |
| 221 | } |
| 222 | } |
| 223 | return 0; |
| 224 | } |
| 225 | |
| 226 | static int check_stats_zero(struct objagg *objagg) |
| 227 | { |
| 228 | const struct objagg_stats *stats; |
| 229 | int err = 0; |
| 230 | |
| 231 | stats = objagg_stats_get(objagg); |
| 232 | if (IS_ERR(stats)) |
| 233 | return PTR_ERR(stats); |
| 234 | |
| 235 | if (stats->stats_info_count != 0) { |
| 236 | pr_err("Stats: Object count is not zero while it should be\n"); |
| 237 | err = -EINVAL; |
| 238 | } |
| 239 | |
| 240 | objagg_stats_put(stats); |
| 241 | return err; |
| 242 | } |
| 243 | |
| 244 | static int check_stats_nodelta(struct objagg *objagg) |
| 245 | { |
| 246 | const struct objagg_stats *stats; |
| 247 | int i; |
| 248 | int err; |
| 249 | |
| 250 | stats = objagg_stats_get(objagg); |
| 251 | if (IS_ERR(stats)) |
| 252 | return PTR_ERR(stats); |
| 253 | |
| 254 | if (stats->stats_info_count != NUM_KEYS) { |
| 255 | pr_err("Stats: Unexpected object count (%u expected, %u returned)\n", |
| 256 | NUM_KEYS, stats->stats_info_count); |
| 257 | err = -EINVAL; |
| 258 | goto stats_put; |
| 259 | } |
| 260 | |
| 261 | for (i = 0; i < stats->stats_info_count; i++) { |
| 262 | if (stats->stats_info[i].stats.user_count != 2) { |
| 263 | pr_err("Stats: incorrect user count\n"); |
| 264 | err = -EINVAL; |
| 265 | goto stats_put; |
| 266 | } |
| 267 | if (stats->stats_info[i].stats.delta_user_count != 2) { |
| 268 | pr_err("Stats: incorrect delta user count\n"); |
| 269 | err = -EINVAL; |
| 270 | goto stats_put; |
| 271 | } |
| 272 | } |
| 273 | err = 0; |
| 274 | |
| 275 | stats_put: |
| 276 | objagg_stats_put(stats); |
| 277 | return err; |
| 278 | } |
| 279 | |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 280 | static bool delta_check_dummy(void *priv, const void *parent_obj, |
| 281 | const void *obj) |
| 282 | { |
| 283 | return false; |
| 284 | } |
| 285 | |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 286 | static void *delta_create_dummy(void *priv, void *parent_obj, void *obj) |
| 287 | { |
| 288 | return ERR_PTR(-EOPNOTSUPP); |
| 289 | } |
| 290 | |
| 291 | static void delta_destroy_dummy(void *priv, void *delta_priv) |
| 292 | { |
| 293 | } |
| 294 | |
| 295 | static const struct objagg_ops nodelta_ops = { |
| 296 | .obj_size = sizeof(struct tokey), |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 297 | .delta_check = delta_check_dummy, |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 298 | .delta_create = delta_create_dummy, |
| 299 | .delta_destroy = delta_destroy_dummy, |
| 300 | .root_create = root_create, |
| 301 | .root_destroy = root_destroy, |
| 302 | }; |
| 303 | |
| 304 | static int test_nodelta(void) |
| 305 | { |
| 306 | struct world world = {}; |
| 307 | struct objagg *objagg; |
| 308 | int i; |
| 309 | int err; |
| 310 | |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 311 | objagg = objagg_create(&nodelta_ops, NULL, &world); |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 312 | if (IS_ERR(objagg)) |
| 313 | return PTR_ERR(objagg); |
| 314 | |
| 315 | err = check_stats_zero(objagg); |
| 316 | if (err) |
| 317 | goto err_stats_first_zero; |
| 318 | |
| 319 | /* First round of gets, the root objects should be created */ |
| 320 | for (i = 0; i < NUM_KEYS; i++) { |
| 321 | err = test_nodelta_obj_get(&world, objagg, i, true); |
| 322 | if (err) |
| 323 | goto err_obj_first_get; |
| 324 | } |
| 325 | |
| 326 | /* Do the second round of gets, all roots are already created, |
| 327 | * make sure that no new root is created |
| 328 | */ |
| 329 | for (i = 0; i < NUM_KEYS; i++) { |
| 330 | err = test_nodelta_obj_get(&world, objagg, i, false); |
| 331 | if (err) |
| 332 | goto err_obj_second_get; |
| 333 | } |
| 334 | |
| 335 | err = check_stats_nodelta(objagg); |
| 336 | if (err) |
| 337 | goto err_stats_nodelta; |
| 338 | |
| 339 | for (i = NUM_KEYS - 1; i >= 0; i--) { |
| 340 | err = test_nodelta_obj_put(&world, objagg, i, false); |
| 341 | if (err) |
| 342 | goto err_obj_first_put; |
| 343 | } |
| 344 | for (i = NUM_KEYS - 1; i >= 0; i--) { |
| 345 | err = test_nodelta_obj_put(&world, objagg, i, true); |
| 346 | if (err) |
| 347 | goto err_obj_second_put; |
| 348 | } |
| 349 | |
| 350 | err = check_stats_zero(objagg); |
| 351 | if (err) |
| 352 | goto err_stats_second_zero; |
| 353 | |
| 354 | objagg_destroy(objagg); |
| 355 | return 0; |
| 356 | |
| 357 | err_stats_nodelta: |
| 358 | err_obj_first_put: |
| 359 | err_obj_second_get: |
| 360 | for (i--; i >= 0; i--) |
| 361 | world_obj_put(&world, objagg, i); |
| 362 | |
| 363 | i = NUM_KEYS; |
| 364 | err_obj_first_get: |
| 365 | err_obj_second_put: |
| 366 | for (i--; i >= 0; i--) |
| 367 | world_obj_put(&world, objagg, i); |
| 368 | err_stats_first_zero: |
| 369 | err_stats_second_zero: |
| 370 | objagg_destroy(objagg); |
| 371 | return err; |
| 372 | } |
| 373 | |
| 374 | static const struct objagg_ops delta_ops = { |
| 375 | .obj_size = sizeof(struct tokey), |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 376 | .delta_check = delta_check, |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 377 | .delta_create = delta_create, |
| 378 | .delta_destroy = delta_destroy, |
| 379 | .root_create = root_create, |
| 380 | .root_destroy = root_destroy, |
| 381 | }; |
| 382 | |
| 383 | enum action { |
| 384 | ACTION_GET, |
| 385 | ACTION_PUT, |
| 386 | }; |
| 387 | |
| 388 | enum expect_delta { |
| 389 | EXPECT_DELTA_SAME, |
| 390 | EXPECT_DELTA_INC, |
| 391 | EXPECT_DELTA_DEC, |
| 392 | }; |
| 393 | |
| 394 | enum expect_root { |
| 395 | EXPECT_ROOT_SAME, |
| 396 | EXPECT_ROOT_INC, |
| 397 | EXPECT_ROOT_DEC, |
| 398 | }; |
| 399 | |
| 400 | struct expect_stats_info { |
| 401 | struct objagg_obj_stats stats; |
| 402 | bool is_root; |
| 403 | unsigned int key_id; |
| 404 | }; |
| 405 | |
| 406 | struct expect_stats { |
| 407 | unsigned int info_count; |
| 408 | struct expect_stats_info info[NUM_KEYS]; |
| 409 | }; |
| 410 | |
| 411 | struct action_item { |
| 412 | unsigned int key_id; |
| 413 | enum action action; |
| 414 | enum expect_delta expect_delta; |
| 415 | enum expect_root expect_root; |
| 416 | struct expect_stats expect_stats; |
| 417 | }; |
| 418 | |
| 419 | #define EXPECT_STATS(count, ...) \ |
| 420 | { \ |
| 421 | .info_count = count, \ |
| 422 | .info = { __VA_ARGS__ } \ |
| 423 | } |
| 424 | |
| 425 | #define ROOT(key_id, user_count, delta_user_count) \ |
| 426 | {{user_count, delta_user_count}, true, key_id} |
| 427 | |
| 428 | #define DELTA(key_id, user_count) \ |
| 429 | {{user_count, user_count}, false, key_id} |
| 430 | |
| 431 | static const struct action_item action_items[] = { |
| 432 | { |
| 433 | 1, ACTION_GET, EXPECT_DELTA_SAME, EXPECT_ROOT_INC, |
| 434 | EXPECT_STATS(1, ROOT(1, 1, 1)), |
| 435 | }, /* r: 1 d: */ |
| 436 | { |
| 437 | 7, ACTION_GET, EXPECT_DELTA_SAME, EXPECT_ROOT_INC, |
| 438 | EXPECT_STATS(2, ROOT(1, 1, 1), ROOT(7, 1, 1)), |
| 439 | }, /* r: 1, 7 d: */ |
| 440 | { |
| 441 | 3, ACTION_GET, EXPECT_DELTA_INC, EXPECT_ROOT_SAME, |
| 442 | EXPECT_STATS(3, ROOT(1, 1, 2), ROOT(7, 1, 1), |
| 443 | DELTA(3, 1)), |
| 444 | }, /* r: 1, 7 d: 3^1 */ |
| 445 | { |
| 446 | 5, ACTION_GET, EXPECT_DELTA_INC, EXPECT_ROOT_SAME, |
| 447 | EXPECT_STATS(4, ROOT(1, 1, 3), ROOT(7, 1, 1), |
| 448 | DELTA(3, 1), DELTA(5, 1)), |
| 449 | }, /* r: 1, 7 d: 3^1, 5^1 */ |
| 450 | { |
| 451 | 3, ACTION_GET, EXPECT_DELTA_SAME, EXPECT_ROOT_SAME, |
| 452 | EXPECT_STATS(4, ROOT(1, 1, 4), ROOT(7, 1, 1), |
| 453 | DELTA(3, 2), DELTA(5, 1)), |
| 454 | }, /* r: 1, 7 d: 3^1, 3^1, 5^1 */ |
| 455 | { |
| 456 | 1, ACTION_GET, EXPECT_DELTA_SAME, EXPECT_ROOT_SAME, |
| 457 | EXPECT_STATS(4, ROOT(1, 2, 5), ROOT(7, 1, 1), |
| 458 | DELTA(3, 2), DELTA(5, 1)), |
| 459 | }, /* r: 1, 1, 7 d: 3^1, 3^1, 5^1 */ |
| 460 | { |
| 461 | 30, ACTION_GET, EXPECT_DELTA_SAME, EXPECT_ROOT_INC, |
| 462 | EXPECT_STATS(5, ROOT(1, 2, 5), ROOT(7, 1, 1), ROOT(30, 1, 1), |
| 463 | DELTA(3, 2), DELTA(5, 1)), |
| 464 | }, /* r: 1, 1, 7, 30 d: 3^1, 3^1, 5^1 */ |
| 465 | { |
| 466 | 8, ACTION_GET, EXPECT_DELTA_INC, EXPECT_ROOT_SAME, |
| 467 | EXPECT_STATS(6, ROOT(1, 2, 5), ROOT(7, 1, 2), ROOT(30, 1, 1), |
| 468 | DELTA(3, 2), DELTA(5, 1), DELTA(8, 1)), |
| 469 | }, /* r: 1, 1, 7, 30 d: 3^1, 3^1, 5^1, 8^7 */ |
| 470 | { |
| 471 | 8, ACTION_GET, EXPECT_DELTA_SAME, EXPECT_ROOT_SAME, |
| 472 | EXPECT_STATS(6, ROOT(1, 2, 5), ROOT(7, 1, 3), ROOT(30, 1, 1), |
| 473 | DELTA(3, 2), DELTA(8, 2), DELTA(5, 1)), |
| 474 | }, /* r: 1, 1, 7, 30 d: 3^1, 3^1, 5^1, 8^7, 8^7 */ |
| 475 | { |
| 476 | 3, ACTION_PUT, EXPECT_DELTA_SAME, EXPECT_ROOT_SAME, |
| 477 | EXPECT_STATS(6, ROOT(1, 2, 4), ROOT(7, 1, 3), ROOT(30, 1, 1), |
| 478 | DELTA(8, 2), DELTA(3, 1), DELTA(5, 1)), |
| 479 | }, /* r: 1, 1, 7, 30 d: 3^1, 5^1, 8^7, 8^7 */ |
| 480 | { |
| 481 | 3, ACTION_PUT, EXPECT_DELTA_DEC, EXPECT_ROOT_SAME, |
| 482 | EXPECT_STATS(5, ROOT(1, 2, 3), ROOT(7, 1, 3), ROOT(30, 1, 1), |
| 483 | DELTA(8, 2), DELTA(5, 1)), |
| 484 | }, /* r: 1, 1, 7, 30 d: 5^1, 8^7, 8^7 */ |
| 485 | { |
| 486 | 1, ACTION_PUT, EXPECT_DELTA_SAME, EXPECT_ROOT_SAME, |
| 487 | EXPECT_STATS(5, ROOT(7, 1, 3), ROOT(1, 1, 2), ROOT(30, 1, 1), |
| 488 | DELTA(8, 2), DELTA(5, 1)), |
| 489 | }, /* r: 1, 7, 30 d: 5^1, 8^7, 8^7 */ |
| 490 | { |
| 491 | 1, ACTION_PUT, EXPECT_DELTA_SAME, EXPECT_ROOT_SAME, |
| 492 | EXPECT_STATS(5, ROOT(7, 1, 3), ROOT(30, 1, 1), ROOT(1, 0, 1), |
| 493 | DELTA(8, 2), DELTA(5, 1)), |
| 494 | }, /* r: 7, 30 d: 5^1, 8^7, 8^7 */ |
| 495 | { |
| 496 | 5, ACTION_PUT, EXPECT_DELTA_DEC, EXPECT_ROOT_DEC, |
| 497 | EXPECT_STATS(3, ROOT(7, 1, 3), ROOT(30, 1, 1), |
| 498 | DELTA(8, 2)), |
| 499 | }, /* r: 7, 30 d: 8^7, 8^7 */ |
| 500 | { |
| 501 | 5, ACTION_GET, EXPECT_DELTA_SAME, EXPECT_ROOT_INC, |
| 502 | EXPECT_STATS(4, ROOT(7, 1, 3), ROOT(30, 1, 1), ROOT(5, 1, 1), |
| 503 | DELTA(8, 2)), |
| 504 | }, /* r: 7, 30, 5 d: 8^7, 8^7 */ |
| 505 | { |
| 506 | 6, ACTION_GET, EXPECT_DELTA_INC, EXPECT_ROOT_SAME, |
| 507 | EXPECT_STATS(5, ROOT(7, 1, 3), ROOT(5, 1, 2), ROOT(30, 1, 1), |
| 508 | DELTA(8, 2), DELTA(6, 1)), |
| 509 | }, /* r: 7, 30, 5 d: 8^7, 8^7, 6^5 */ |
| 510 | { |
| 511 | 8, ACTION_GET, EXPECT_DELTA_SAME, EXPECT_ROOT_SAME, |
| 512 | EXPECT_STATS(5, ROOT(7, 1, 4), ROOT(5, 1, 2), ROOT(30, 1, 1), |
| 513 | DELTA(8, 3), DELTA(6, 1)), |
| 514 | }, /* r: 7, 30, 5 d: 8^7, 8^7, 8^7, 6^5 */ |
| 515 | { |
| 516 | 8, ACTION_PUT, EXPECT_DELTA_SAME, EXPECT_ROOT_SAME, |
| 517 | EXPECT_STATS(5, ROOT(7, 1, 3), ROOT(5, 1, 2), ROOT(30, 1, 1), |
| 518 | DELTA(8, 2), DELTA(6, 1)), |
| 519 | }, /* r: 7, 30, 5 d: 8^7, 8^7, 6^5 */ |
| 520 | { |
| 521 | 8, ACTION_PUT, EXPECT_DELTA_SAME, EXPECT_ROOT_SAME, |
| 522 | EXPECT_STATS(5, ROOT(7, 1, 2), ROOT(5, 1, 2), ROOT(30, 1, 1), |
| 523 | DELTA(8, 1), DELTA(6, 1)), |
| 524 | }, /* r: 7, 30, 5 d: 8^7, 6^5 */ |
| 525 | { |
| 526 | 8, ACTION_PUT, EXPECT_DELTA_DEC, EXPECT_ROOT_SAME, |
| 527 | EXPECT_STATS(4, ROOT(5, 1, 2), ROOT(7, 1, 1), ROOT(30, 1, 1), |
| 528 | DELTA(6, 1)), |
| 529 | }, /* r: 7, 30, 5 d: 6^5 */ |
| 530 | { |
| 531 | 8, ACTION_GET, EXPECT_DELTA_INC, EXPECT_ROOT_SAME, |
| 532 | EXPECT_STATS(5, ROOT(5, 1, 3), ROOT(7, 1, 1), ROOT(30, 1, 1), |
| 533 | DELTA(6, 1), DELTA(8, 1)), |
| 534 | }, /* r: 7, 30, 5 d: 6^5, 8^5 */ |
| 535 | { |
| 536 | 7, ACTION_PUT, EXPECT_DELTA_SAME, EXPECT_ROOT_DEC, |
| 537 | EXPECT_STATS(4, ROOT(5, 1, 3), ROOT(30, 1, 1), |
| 538 | DELTA(6, 1), DELTA(8, 1)), |
| 539 | }, /* r: 30, 5 d: 6^5, 8^5 */ |
| 540 | { |
| 541 | 30, ACTION_PUT, EXPECT_DELTA_SAME, EXPECT_ROOT_DEC, |
| 542 | EXPECT_STATS(3, ROOT(5, 1, 3), |
| 543 | DELTA(6, 1), DELTA(8, 1)), |
| 544 | }, /* r: 5 d: 6^5, 8^5 */ |
| 545 | { |
| 546 | 5, ACTION_PUT, EXPECT_DELTA_SAME, EXPECT_ROOT_SAME, |
| 547 | EXPECT_STATS(3, ROOT(5, 0, 2), |
| 548 | DELTA(6, 1), DELTA(8, 1)), |
| 549 | }, /* r: d: 6^5, 8^5 */ |
| 550 | { |
| 551 | 6, ACTION_PUT, EXPECT_DELTA_DEC, EXPECT_ROOT_SAME, |
| 552 | EXPECT_STATS(2, ROOT(5, 0, 1), |
| 553 | DELTA(8, 1)), |
| 554 | }, /* r: d: 6^5 */ |
| 555 | { |
| 556 | 8, ACTION_PUT, EXPECT_DELTA_DEC, EXPECT_ROOT_DEC, |
| 557 | EXPECT_STATS(0, ), |
| 558 | }, /* r: d: */ |
| 559 | }; |
| 560 | |
| 561 | static int check_expect(struct world *world, |
| 562 | const struct action_item *action_item, |
| 563 | unsigned int orig_delta_count, |
| 564 | unsigned int orig_root_count) |
| 565 | { |
| 566 | unsigned int key_id = action_item->key_id; |
| 567 | |
| 568 | switch (action_item->expect_delta) { |
| 569 | case EXPECT_DELTA_SAME: |
| 570 | if (orig_delta_count != world->delta_count) { |
| 571 | pr_err("Key %u: Delta count changed while expected to remain the same.\n", |
| 572 | key_id); |
| 573 | return -EINVAL; |
| 574 | } |
| 575 | break; |
| 576 | case EXPECT_DELTA_INC: |
| 577 | if (WARN_ON(action_item->action == ACTION_PUT)) |
| 578 | return -EINVAL; |
| 579 | if (orig_delta_count + 1 != world->delta_count) { |
| 580 | pr_err("Key %u: Delta count was not incremented.\n", |
| 581 | key_id); |
| 582 | return -EINVAL; |
| 583 | } |
| 584 | break; |
| 585 | case EXPECT_DELTA_DEC: |
| 586 | if (WARN_ON(action_item->action == ACTION_GET)) |
| 587 | return -EINVAL; |
| 588 | if (orig_delta_count - 1 != world->delta_count) { |
| 589 | pr_err("Key %u: Delta count was not decremented.\n", |
| 590 | key_id); |
| 591 | return -EINVAL; |
| 592 | } |
| 593 | break; |
| 594 | } |
| 595 | |
| 596 | switch (action_item->expect_root) { |
| 597 | case EXPECT_ROOT_SAME: |
| 598 | if (orig_root_count != world->root_count) { |
| 599 | pr_err("Key %u: Root count changed while expected to remain the same.\n", |
| 600 | key_id); |
| 601 | return -EINVAL; |
| 602 | } |
| 603 | break; |
| 604 | case EXPECT_ROOT_INC: |
| 605 | if (WARN_ON(action_item->action == ACTION_PUT)) |
| 606 | return -EINVAL; |
| 607 | if (orig_root_count + 1 != world->root_count) { |
| 608 | pr_err("Key %u: Root count was not incremented.\n", |
| 609 | key_id); |
| 610 | return -EINVAL; |
| 611 | } |
| 612 | break; |
| 613 | case EXPECT_ROOT_DEC: |
| 614 | if (WARN_ON(action_item->action == ACTION_GET)) |
| 615 | return -EINVAL; |
| 616 | if (orig_root_count - 1 != world->root_count) { |
| 617 | pr_err("Key %u: Root count was not decremented.\n", |
| 618 | key_id); |
| 619 | return -EINVAL; |
| 620 | } |
| 621 | } |
| 622 | |
| 623 | return 0; |
| 624 | } |
| 625 | |
| 626 | static unsigned int obj_to_key_id(struct objagg_obj *objagg_obj) |
| 627 | { |
| 628 | const struct tokey *root_key; |
| 629 | const struct delta *delta; |
| 630 | unsigned int key_id; |
| 631 | |
| 632 | root_key = objagg_obj_root_priv(objagg_obj); |
| 633 | key_id = root_key->id; |
| 634 | delta = objagg_obj_delta_priv(objagg_obj); |
| 635 | if (delta) |
| 636 | key_id += delta->key_id_diff; |
| 637 | return key_id; |
| 638 | } |
| 639 | |
| 640 | static int |
| 641 | check_expect_stats_nums(const struct objagg_obj_stats_info *stats_info, |
| 642 | const struct expect_stats_info *expect_stats_info, |
| 643 | const char **errmsg) |
| 644 | { |
| 645 | if (stats_info->is_root != expect_stats_info->is_root) { |
| 646 | if (errmsg) |
| 647 | *errmsg = "Incorrect root/delta indication"; |
| 648 | return -EINVAL; |
| 649 | } |
| 650 | if (stats_info->stats.user_count != |
| 651 | expect_stats_info->stats.user_count) { |
| 652 | if (errmsg) |
| 653 | *errmsg = "Incorrect user count"; |
| 654 | return -EINVAL; |
| 655 | } |
| 656 | if (stats_info->stats.delta_user_count != |
| 657 | expect_stats_info->stats.delta_user_count) { |
| 658 | if (errmsg) |
| 659 | *errmsg = "Incorrect delta user count"; |
| 660 | return -EINVAL; |
| 661 | } |
| 662 | return 0; |
| 663 | } |
| 664 | |
| 665 | static int |
| 666 | check_expect_stats_key_id(const struct objagg_obj_stats_info *stats_info, |
| 667 | const struct expect_stats_info *expect_stats_info, |
| 668 | const char **errmsg) |
| 669 | { |
| 670 | if (obj_to_key_id(stats_info->objagg_obj) != |
| 671 | expect_stats_info->key_id) { |
| 672 | if (errmsg) |
| 673 | *errmsg = "incorrect key id"; |
| 674 | return -EINVAL; |
| 675 | } |
| 676 | return 0; |
| 677 | } |
| 678 | |
| 679 | static int check_expect_stats_neigh(const struct objagg_stats *stats, |
| 680 | const struct expect_stats *expect_stats, |
| 681 | int pos) |
| 682 | { |
| 683 | int i; |
| 684 | int err; |
| 685 | |
| 686 | for (i = pos - 1; i >= 0; i--) { |
| 687 | err = check_expect_stats_nums(&stats->stats_info[i], |
| 688 | &expect_stats->info[pos], NULL); |
| 689 | if (err) |
| 690 | break; |
| 691 | err = check_expect_stats_key_id(&stats->stats_info[i], |
| 692 | &expect_stats->info[pos], NULL); |
| 693 | if (!err) |
| 694 | return 0; |
| 695 | } |
| 696 | for (i = pos + 1; i < stats->stats_info_count; i++) { |
| 697 | err = check_expect_stats_nums(&stats->stats_info[i], |
| 698 | &expect_stats->info[pos], NULL); |
| 699 | if (err) |
| 700 | break; |
| 701 | err = check_expect_stats_key_id(&stats->stats_info[i], |
| 702 | &expect_stats->info[pos], NULL); |
| 703 | if (!err) |
| 704 | return 0; |
| 705 | } |
| 706 | return -EINVAL; |
| 707 | } |
| 708 | |
| 709 | static int __check_expect_stats(const struct objagg_stats *stats, |
| 710 | const struct expect_stats *expect_stats, |
| 711 | const char **errmsg) |
| 712 | { |
| 713 | int i; |
| 714 | int err; |
| 715 | |
| 716 | if (stats->stats_info_count != expect_stats->info_count) { |
| 717 | *errmsg = "Unexpected object count"; |
| 718 | return -EINVAL; |
| 719 | } |
| 720 | |
| 721 | for (i = 0; i < stats->stats_info_count; i++) { |
| 722 | err = check_expect_stats_nums(&stats->stats_info[i], |
| 723 | &expect_stats->info[i], errmsg); |
| 724 | if (err) |
| 725 | return err; |
| 726 | err = check_expect_stats_key_id(&stats->stats_info[i], |
| 727 | &expect_stats->info[i], errmsg); |
| 728 | if (err) { |
| 729 | /* It is possible that one of the neighbor stats with |
| 730 | * same numbers have the correct key id, so check it |
| 731 | */ |
| 732 | err = check_expect_stats_neigh(stats, expect_stats, i); |
| 733 | if (err) |
| 734 | return err; |
| 735 | } |
| 736 | } |
| 737 | return 0; |
| 738 | } |
| 739 | |
| 740 | static int check_expect_stats(struct objagg *objagg, |
| 741 | const struct expect_stats *expect_stats, |
| 742 | const char **errmsg) |
| 743 | { |
| 744 | const struct objagg_stats *stats; |
| 745 | int err; |
| 746 | |
| 747 | stats = objagg_stats_get(objagg); |
Dan Carpenter | e7c2e3b | 2019-02-13 11:59:31 +0300 | [diff] [blame] | 748 | if (IS_ERR(stats)) { |
| 749 | *errmsg = "objagg_stats_get() failed."; |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 750 | return PTR_ERR(stats); |
Dan Carpenter | e7c2e3b | 2019-02-13 11:59:31 +0300 | [diff] [blame] | 751 | } |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 752 | err = __check_expect_stats(stats, expect_stats, errmsg); |
| 753 | objagg_stats_put(stats); |
| 754 | return err; |
| 755 | } |
| 756 | |
| 757 | static int test_delta_action_item(struct world *world, |
| 758 | struct objagg *objagg, |
| 759 | const struct action_item *action_item, |
| 760 | bool inverse) |
| 761 | { |
| 762 | unsigned int orig_delta_count = world->delta_count; |
| 763 | unsigned int orig_root_count = world->root_count; |
| 764 | unsigned int key_id = action_item->key_id; |
| 765 | enum action action = action_item->action; |
| 766 | struct objagg_obj *objagg_obj; |
| 767 | const char *errmsg; |
| 768 | int err; |
| 769 | |
| 770 | if (inverse) |
| 771 | action = action == ACTION_GET ? ACTION_PUT : ACTION_GET; |
| 772 | |
| 773 | switch (action) { |
| 774 | case ACTION_GET: |
| 775 | objagg_obj = world_obj_get(world, objagg, key_id); |
| 776 | if (IS_ERR(objagg_obj)) |
| 777 | return PTR_ERR(objagg_obj); |
| 778 | break; |
| 779 | case ACTION_PUT: |
| 780 | world_obj_put(world, objagg, key_id); |
| 781 | break; |
| 782 | } |
| 783 | |
| 784 | if (inverse) |
| 785 | return 0; |
| 786 | err = check_expect(world, action_item, |
| 787 | orig_delta_count, orig_root_count); |
| 788 | if (err) |
| 789 | goto errout; |
| 790 | |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 791 | err = check_expect_stats(objagg, &action_item->expect_stats, &errmsg); |
| 792 | if (err) { |
| 793 | pr_err("Key %u: Stats: %s\n", action_item->key_id, errmsg); |
| 794 | goto errout; |
| 795 | } |
| 796 | |
| 797 | return 0; |
| 798 | |
| 799 | errout: |
| 800 | /* This can only happen when action is not inversed. |
| 801 | * So in case of an error, cleanup by doing inverse action. |
| 802 | */ |
| 803 | test_delta_action_item(world, objagg, action_item, true); |
| 804 | return err; |
| 805 | } |
| 806 | |
| 807 | static int test_delta(void) |
| 808 | { |
| 809 | struct world world = {}; |
| 810 | struct objagg *objagg; |
| 811 | int i; |
| 812 | int err; |
| 813 | |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 814 | objagg = objagg_create(&delta_ops, NULL, &world); |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 815 | if (IS_ERR(objagg)) |
| 816 | return PTR_ERR(objagg); |
| 817 | |
| 818 | for (i = 0; i < ARRAY_SIZE(action_items); i++) { |
| 819 | err = test_delta_action_item(&world, objagg, |
| 820 | &action_items[i], false); |
| 821 | if (err) |
| 822 | goto err_do_action_item; |
| 823 | } |
| 824 | |
| 825 | objagg_destroy(objagg); |
| 826 | return 0; |
| 827 | |
| 828 | err_do_action_item: |
| 829 | for (i--; i >= 0; i--) |
| 830 | test_delta_action_item(&world, objagg, &action_items[i], true); |
| 831 | |
| 832 | objagg_destroy(objagg); |
| 833 | return err; |
| 834 | } |
| 835 | |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 836 | struct hints_case { |
| 837 | const unsigned int *key_ids; |
| 838 | size_t key_ids_count; |
| 839 | struct expect_stats expect_stats; |
| 840 | struct expect_stats expect_stats_hints; |
| 841 | }; |
| 842 | |
| 843 | static const unsigned int hints_case_key_ids[] = { |
| 844 | 1, 7, 3, 5, 3, 1, 30, 8, 8, 5, 6, 8, |
| 845 | }; |
| 846 | |
| 847 | static const struct hints_case hints_case = { |
| 848 | .key_ids = hints_case_key_ids, |
| 849 | .key_ids_count = ARRAY_SIZE(hints_case_key_ids), |
| 850 | .expect_stats = |
| 851 | EXPECT_STATS(7, ROOT(1, 2, 7), ROOT(7, 1, 4), ROOT(30, 1, 1), |
| 852 | DELTA(8, 3), DELTA(3, 2), |
| 853 | DELTA(5, 2), DELTA(6, 1)), |
| 854 | .expect_stats_hints = |
| 855 | EXPECT_STATS(7, ROOT(3, 2, 9), ROOT(1, 2, 2), ROOT(30, 1, 1), |
| 856 | DELTA(8, 3), DELTA(5, 2), |
| 857 | DELTA(6, 1), DELTA(7, 1)), |
| 858 | }; |
| 859 | |
| 860 | static void __pr_debug_stats(const struct objagg_stats *stats) |
| 861 | { |
| 862 | int i; |
| 863 | |
| 864 | for (i = 0; i < stats->stats_info_count; i++) |
| 865 | pr_debug("Stat index %d key %u: u %d, d %d, %s\n", i, |
| 866 | obj_to_key_id(stats->stats_info[i].objagg_obj), |
| 867 | stats->stats_info[i].stats.user_count, |
| 868 | stats->stats_info[i].stats.delta_user_count, |
| 869 | stats->stats_info[i].is_root ? "root" : "noroot"); |
| 870 | } |
| 871 | |
| 872 | static void pr_debug_stats(struct objagg *objagg) |
| 873 | { |
| 874 | const struct objagg_stats *stats; |
| 875 | |
| 876 | stats = objagg_stats_get(objagg); |
| 877 | if (IS_ERR(stats)) |
| 878 | return; |
| 879 | __pr_debug_stats(stats); |
| 880 | objagg_stats_put(stats); |
| 881 | } |
| 882 | |
| 883 | static void pr_debug_hints_stats(struct objagg_hints *objagg_hints) |
| 884 | { |
| 885 | const struct objagg_stats *stats; |
| 886 | |
| 887 | stats = objagg_hints_stats_get(objagg_hints); |
| 888 | if (IS_ERR(stats)) |
| 889 | return; |
| 890 | __pr_debug_stats(stats); |
| 891 | objagg_stats_put(stats); |
| 892 | } |
| 893 | |
| 894 | static int check_expect_hints_stats(struct objagg_hints *objagg_hints, |
| 895 | const struct expect_stats *expect_stats, |
| 896 | const char **errmsg) |
| 897 | { |
| 898 | const struct objagg_stats *stats; |
| 899 | int err; |
| 900 | |
| 901 | stats = objagg_hints_stats_get(objagg_hints); |
| 902 | if (IS_ERR(stats)) |
| 903 | return PTR_ERR(stats); |
| 904 | err = __check_expect_stats(stats, expect_stats, errmsg); |
| 905 | objagg_stats_put(stats); |
| 906 | return err; |
| 907 | } |
| 908 | |
| 909 | static int test_hints_case(const struct hints_case *hints_case) |
| 910 | { |
| 911 | struct objagg_obj *objagg_obj; |
| 912 | struct objagg_hints *hints; |
| 913 | struct world world2 = {}; |
| 914 | struct world world = {}; |
| 915 | struct objagg *objagg2; |
| 916 | struct objagg *objagg; |
| 917 | const char *errmsg; |
| 918 | int i; |
| 919 | int err; |
| 920 | |
| 921 | objagg = objagg_create(&delta_ops, NULL, &world); |
| 922 | if (IS_ERR(objagg)) |
| 923 | return PTR_ERR(objagg); |
| 924 | |
| 925 | for (i = 0; i < hints_case->key_ids_count; i++) { |
| 926 | objagg_obj = world_obj_get(&world, objagg, |
| 927 | hints_case->key_ids[i]); |
| 928 | if (IS_ERR(objagg_obj)) { |
| 929 | err = PTR_ERR(objagg_obj); |
| 930 | goto err_world_obj_get; |
| 931 | } |
| 932 | } |
| 933 | |
| 934 | pr_debug_stats(objagg); |
| 935 | err = check_expect_stats(objagg, &hints_case->expect_stats, &errmsg); |
| 936 | if (err) { |
| 937 | pr_err("Stats: %s\n", errmsg); |
| 938 | goto err_check_expect_stats; |
| 939 | } |
| 940 | |
| 941 | hints = objagg_hints_get(objagg, OBJAGG_OPT_ALGO_SIMPLE_GREEDY); |
| 942 | if (IS_ERR(hints)) { |
| 943 | err = PTR_ERR(hints); |
| 944 | goto err_hints_get; |
| 945 | } |
| 946 | |
| 947 | pr_debug_hints_stats(hints); |
| 948 | err = check_expect_hints_stats(hints, &hints_case->expect_stats_hints, |
| 949 | &errmsg); |
| 950 | if (err) { |
| 951 | pr_err("Hints stats: %s\n", errmsg); |
| 952 | goto err_check_expect_hints_stats; |
| 953 | } |
| 954 | |
| 955 | objagg2 = objagg_create(&delta_ops, hints, &world2); |
Dan Carpenter | 951d3d6 | 2019-02-13 11:58:20 +0300 | [diff] [blame] | 956 | if (IS_ERR(objagg2)) |
| 957 | return PTR_ERR(objagg2); |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 958 | |
| 959 | for (i = 0; i < hints_case->key_ids_count; i++) { |
| 960 | objagg_obj = world_obj_get(&world2, objagg2, |
| 961 | hints_case->key_ids[i]); |
| 962 | if (IS_ERR(objagg_obj)) { |
| 963 | err = PTR_ERR(objagg_obj); |
| 964 | goto err_world2_obj_get; |
| 965 | } |
| 966 | } |
| 967 | |
| 968 | pr_debug_stats(objagg2); |
| 969 | err = check_expect_stats(objagg2, &hints_case->expect_stats_hints, |
| 970 | &errmsg); |
| 971 | if (err) { |
| 972 | pr_err("Stats2: %s\n", errmsg); |
| 973 | goto err_check_expect_stats2; |
| 974 | } |
| 975 | |
| 976 | err = 0; |
| 977 | |
| 978 | err_check_expect_stats2: |
| 979 | err_world2_obj_get: |
| 980 | for (i--; i >= 0; i--) |
| 981 | world_obj_put(&world2, objagg, hints_case->key_ids[i]); |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 982 | i = hints_case->key_ids_count; |
Aditya Pakki | a6379f0 | 2020-06-12 15:01:54 -0500 | [diff] [blame] | 983 | objagg_destroy(objagg2); |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 984 | err_check_expect_hints_stats: |
Aditya Pakki | a6379f0 | 2020-06-12 15:01:54 -0500 | [diff] [blame] | 985 | objagg_hints_put(hints); |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 986 | err_hints_get: |
| 987 | err_check_expect_stats: |
| 988 | err_world_obj_get: |
| 989 | for (i--; i >= 0; i--) |
| 990 | world_obj_put(&world, objagg, hints_case->key_ids[i]); |
| 991 | |
| 992 | objagg_destroy(objagg); |
| 993 | return err; |
| 994 | } |
| 995 | static int test_hints(void) |
| 996 | { |
| 997 | return test_hints_case(&hints_case); |
| 998 | } |
| 999 | |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 1000 | static int __init test_objagg_init(void) |
| 1001 | { |
| 1002 | int err; |
| 1003 | |
| 1004 | err = test_nodelta(); |
| 1005 | if (err) |
| 1006 | return err; |
Jiri Pirko | 9069a38 | 2019-02-07 11:22:46 +0000 | [diff] [blame] | 1007 | err = test_delta(); |
| 1008 | if (err) |
| 1009 | return err; |
| 1010 | return test_hints(); |
Jiri Pirko | 0a020d4 | 2018-11-14 08:22:28 +0000 | [diff] [blame] | 1011 | } |
| 1012 | |
| 1013 | static void __exit test_objagg_exit(void) |
| 1014 | { |
| 1015 | } |
| 1016 | |
| 1017 | module_init(test_objagg_init); |
| 1018 | module_exit(test_objagg_exit); |
| 1019 | MODULE_LICENSE("Dual BSD/GPL"); |
| 1020 | MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>"); |
| 1021 | MODULE_DESCRIPTION("Test module for objagg"); |