Deepak Kodihalli | 3b02ed8 | 2020-02-06 01:18:25 -0600 | [diff] [blame] | 1 | #include "pdr.h" |
| 2 | #include "platform.h" |
| 3 | #include <assert.h> |
| 4 | #include <stdlib.h> |
| 5 | #include <string.h> |
| 6 | |
| 7 | typedef struct pldm_pdr_record { |
| 8 | uint32_t record_handle; |
| 9 | uint32_t size; |
| 10 | uint8_t *data; |
| 11 | struct pldm_pdr_record *next; |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 12 | bool is_remote; |
Deepak Kodihalli | 3b02ed8 | 2020-02-06 01:18:25 -0600 | [diff] [blame] | 13 | } pldm_pdr_record; |
| 14 | |
| 15 | typedef struct pldm_pdr { |
| 16 | uint32_t record_count; |
| 17 | uint32_t size; |
| 18 | uint32_t last_used_record_handle; |
| 19 | pldm_pdr_record *first; |
| 20 | pldm_pdr_record *last; |
| 21 | } pldm_pdr; |
| 22 | |
| 23 | static inline uint32_t get_next_record_handle(const pldm_pdr *repo, |
| 24 | const pldm_pdr_record *record) |
| 25 | { |
| 26 | assert(repo != NULL); |
| 27 | assert(record != NULL); |
| 28 | |
| 29 | if (record == repo->last) { |
| 30 | return 0; |
| 31 | } |
| 32 | return record->next->record_handle; |
| 33 | } |
| 34 | |
| 35 | static void add_record(pldm_pdr *repo, pldm_pdr_record *record) |
| 36 | { |
| 37 | assert(repo != NULL); |
| 38 | assert(record != NULL); |
| 39 | |
| 40 | if (repo->first == NULL) { |
| 41 | assert(repo->last == NULL); |
| 42 | repo->first = record; |
| 43 | repo->last = record; |
| 44 | } else { |
| 45 | repo->last->next = record; |
| 46 | repo->last = record; |
| 47 | } |
| 48 | repo->size += record->size; |
| 49 | repo->last_used_record_handle = record->record_handle; |
| 50 | ++repo->record_count; |
| 51 | } |
| 52 | |
| 53 | static inline uint32_t get_new_record_handle(const pldm_pdr *repo) |
| 54 | { |
| 55 | assert(repo != NULL); |
| 56 | assert(repo->last_used_record_handle != UINT32_MAX); |
| 57 | |
| 58 | return repo->last_used_record_handle + 1; |
| 59 | } |
| 60 | |
| 61 | static pldm_pdr_record *make_new_record(const pldm_pdr *repo, |
| 62 | const uint8_t *data, uint32_t size, |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 63 | uint32_t record_handle, bool is_remote) |
Deepak Kodihalli | 3b02ed8 | 2020-02-06 01:18:25 -0600 | [diff] [blame] | 64 | { |
| 65 | assert(repo != NULL); |
| 66 | assert(size != 0); |
| 67 | |
| 68 | pldm_pdr_record *record = malloc(sizeof(pldm_pdr_record)); |
| 69 | assert(record != NULL); |
| 70 | record->record_handle = |
| 71 | record_handle == 0 ? get_new_record_handle(repo) : record_handle; |
| 72 | record->size = size; |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 73 | record->is_remote = is_remote; |
Deepak Kodihalli | 3b02ed8 | 2020-02-06 01:18:25 -0600 | [diff] [blame] | 74 | if (data != NULL) { |
| 75 | record->data = malloc(size); |
| 76 | assert(record->data != NULL); |
| 77 | memcpy(record->data, data, size); |
| 78 | /* If record handle is 0, that is an indication for this API to |
| 79 | * compute a new handle. For that reason, the computed handle |
| 80 | * needs to be populated in the PDR header. For a case where the |
| 81 | * caller supplied the record handle, it would exist in the |
| 82 | * header already. |
| 83 | */ |
| 84 | if (!record_handle) { |
| 85 | struct pldm_pdr_hdr *hdr = |
| 86 | (struct pldm_pdr_hdr *)(record->data); |
Deepak Kodihalli | fb4dd7b | 2020-03-17 03:27:22 -0500 | [diff] [blame] | 87 | hdr->record_handle = htole32(record->record_handle); |
Deepak Kodihalli | 3b02ed8 | 2020-02-06 01:18:25 -0600 | [diff] [blame] | 88 | } |
| 89 | } |
| 90 | record->next = NULL; |
| 91 | |
| 92 | return record; |
| 93 | } |
| 94 | |
| 95 | uint32_t pldm_pdr_add(pldm_pdr *repo, const uint8_t *data, uint32_t size, |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 96 | uint32_t record_handle, bool is_remote) |
Deepak Kodihalli | 3b02ed8 | 2020-02-06 01:18:25 -0600 | [diff] [blame] | 97 | { |
| 98 | assert(size != 0); |
| 99 | assert(data != NULL); |
| 100 | |
| 101 | pldm_pdr_record *record = |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 102 | make_new_record(repo, data, size, record_handle, is_remote); |
Deepak Kodihalli | 3b02ed8 | 2020-02-06 01:18:25 -0600 | [diff] [blame] | 103 | add_record(repo, record); |
| 104 | |
| 105 | return record->record_handle; |
| 106 | } |
| 107 | |
| 108 | pldm_pdr *pldm_pdr_init() |
| 109 | { |
| 110 | pldm_pdr *repo = malloc(sizeof(pldm_pdr)); |
| 111 | assert(repo != NULL); |
| 112 | repo->record_count = 0; |
| 113 | repo->size = 0; |
| 114 | repo->last_used_record_handle = 0; |
| 115 | repo->first = NULL; |
| 116 | repo->last = NULL; |
| 117 | |
| 118 | return repo; |
| 119 | } |
| 120 | |
| 121 | void pldm_pdr_destroy(pldm_pdr *repo) |
| 122 | { |
| 123 | assert(repo != NULL); |
| 124 | |
| 125 | pldm_pdr_record *record = repo->first; |
| 126 | while (record != NULL) { |
| 127 | pldm_pdr_record *next = record->next; |
| 128 | if (record->data) { |
| 129 | free(record->data); |
| 130 | record->data = NULL; |
| 131 | } |
| 132 | free(record); |
| 133 | record = next; |
| 134 | } |
| 135 | free(repo); |
| 136 | } |
| 137 | |
| 138 | const pldm_pdr_record *pldm_pdr_find_record(const pldm_pdr *repo, |
| 139 | uint32_t record_handle, |
| 140 | uint8_t **data, uint32_t *size, |
| 141 | uint32_t *next_record_handle) |
| 142 | { |
| 143 | assert(repo != NULL); |
| 144 | assert(data != NULL); |
| 145 | assert(size != NULL); |
| 146 | assert(next_record_handle != NULL); |
| 147 | |
| 148 | if (!record_handle && (repo->first != NULL)) { |
| 149 | record_handle = repo->first->record_handle; |
| 150 | } |
| 151 | pldm_pdr_record *record = repo->first; |
| 152 | while (record != NULL) { |
| 153 | if (record->record_handle == record_handle) { |
| 154 | *size = record->size; |
| 155 | *data = record->data; |
| 156 | *next_record_handle = |
| 157 | get_next_record_handle(repo, record); |
| 158 | return record; |
| 159 | } |
| 160 | record = record->next; |
| 161 | } |
| 162 | |
| 163 | *size = 0; |
| 164 | *next_record_handle = 0; |
| 165 | return NULL; |
| 166 | } |
| 167 | |
| 168 | const pldm_pdr_record * |
| 169 | pldm_pdr_get_next_record(const pldm_pdr *repo, |
| 170 | const pldm_pdr_record *curr_record, uint8_t **data, |
| 171 | uint32_t *size, uint32_t *next_record_handle) |
| 172 | { |
| 173 | assert(repo != NULL); |
| 174 | assert(curr_record != NULL); |
| 175 | assert(data != NULL); |
| 176 | assert(size != NULL); |
| 177 | assert(next_record_handle != NULL); |
| 178 | |
| 179 | if (curr_record == repo->last) { |
| 180 | *data = NULL; |
| 181 | *size = 0; |
| 182 | *next_record_handle = get_next_record_handle(repo, curr_record); |
| 183 | return NULL; |
| 184 | } |
| 185 | |
| 186 | *next_record_handle = get_next_record_handle(repo, curr_record->next); |
| 187 | *data = curr_record->next->data; |
| 188 | *size = curr_record->next->size; |
| 189 | return curr_record->next; |
| 190 | } |
| 191 | |
| 192 | const pldm_pdr_record * |
| 193 | pldm_pdr_find_record_by_type(const pldm_pdr *repo, uint8_t pdr_type, |
| 194 | const pldm_pdr_record *curr_record, uint8_t **data, |
| 195 | uint32_t *size) |
| 196 | { |
| 197 | assert(repo != NULL); |
| 198 | assert(data != NULL); |
| 199 | assert(size != NULL); |
| 200 | |
| 201 | pldm_pdr_record *record = repo->first; |
| 202 | if (curr_record != NULL) { |
| 203 | record = curr_record->next; |
| 204 | } |
| 205 | while (record != NULL) { |
| 206 | struct pldm_pdr_hdr *hdr = (struct pldm_pdr_hdr *)record->data; |
| 207 | if (hdr->type == pdr_type) { |
| 208 | *size = record->size; |
| 209 | *data = record->data; |
| 210 | return record; |
| 211 | } |
| 212 | record = record->next; |
| 213 | } |
| 214 | |
| 215 | *size = 0; |
| 216 | return NULL; |
| 217 | } |
| 218 | |
| 219 | uint32_t pldm_pdr_get_record_count(const pldm_pdr *repo) |
| 220 | { |
| 221 | assert(repo != NULL); |
| 222 | |
| 223 | return repo->record_count; |
| 224 | } |
| 225 | |
| 226 | uint32_t pldm_pdr_get_repo_size(const pldm_pdr *repo) |
| 227 | { |
| 228 | assert(repo != NULL); |
| 229 | |
| 230 | return repo->size; |
| 231 | } |
| 232 | |
| 233 | uint32_t pldm_pdr_get_record_handle(const pldm_pdr *repo, |
| 234 | const pldm_pdr_record *record) |
| 235 | { |
| 236 | assert(repo != NULL); |
| 237 | assert(record != NULL); |
| 238 | |
| 239 | return record->record_handle; |
| 240 | } |
Deepak Kodihalli | db91467 | 2020-02-07 02:47:45 -0600 | [diff] [blame] | 241 | |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 242 | inline bool pldm_pdr_record_is_remote(const pldm_pdr_record *record) |
| 243 | { |
| 244 | assert(record != NULL); |
| 245 | |
| 246 | return record->is_remote; |
| 247 | } |
| 248 | |
Deepak Kodihalli | db91467 | 2020-02-07 02:47:45 -0600 | [diff] [blame] | 249 | uint32_t pldm_pdr_add_fru_record_set(pldm_pdr *repo, uint16_t terminus_handle, |
| 250 | uint16_t fru_rsi, uint16_t entity_type, |
| 251 | uint16_t entity_instance_num, |
| 252 | uint16_t container_id) |
| 253 | { |
| 254 | uint32_t size = sizeof(struct pldm_pdr_hdr) + |
| 255 | sizeof(struct pldm_pdr_fru_record_set); |
| 256 | uint8_t data[size]; |
| 257 | |
| 258 | struct pldm_pdr_hdr *hdr = (struct pldm_pdr_hdr *)&data; |
| 259 | hdr->version = 1; |
| 260 | hdr->record_handle = 0; |
| 261 | hdr->type = PLDM_PDR_FRU_RECORD_SET; |
| 262 | hdr->record_change_num = 0; |
Deepak Kodihalli | fb4dd7b | 2020-03-17 03:27:22 -0500 | [diff] [blame] | 263 | hdr->length = htole16(sizeof(struct pldm_pdr_fru_record_set)); |
Deepak Kodihalli | db91467 | 2020-02-07 02:47:45 -0600 | [diff] [blame] | 264 | struct pldm_pdr_fru_record_set *fru = |
| 265 | (struct pldm_pdr_fru_record_set *)((uint8_t *)hdr + |
| 266 | sizeof(struct pldm_pdr_hdr)); |
Deepak Kodihalli | fb4dd7b | 2020-03-17 03:27:22 -0500 | [diff] [blame] | 267 | fru->terminus_handle = htole16(terminus_handle); |
| 268 | fru->fru_rsi = htole16(fru_rsi); |
| 269 | fru->entity_type = htole16(entity_type); |
| 270 | fru->entity_instance_num = htole16(entity_instance_num); |
| 271 | fru->container_id = htole16(container_id); |
Deepak Kodihalli | db91467 | 2020-02-07 02:47:45 -0600 | [diff] [blame] | 272 | |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 273 | return pldm_pdr_add(repo, data, size, 0, false); |
Deepak Kodihalli | db91467 | 2020-02-07 02:47:45 -0600 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | const pldm_pdr_record *pldm_pdr_fru_record_set_find_by_rsi( |
| 277 | const pldm_pdr *repo, uint16_t fru_rsi, uint16_t *terminus_handle, |
| 278 | uint16_t *entity_type, uint16_t *entity_instance_num, |
| 279 | uint16_t *container_id) |
| 280 | { |
| 281 | assert(terminus_handle != NULL); |
| 282 | assert(entity_type != NULL); |
| 283 | assert(entity_instance_num != NULL); |
| 284 | assert(container_id != NULL); |
| 285 | |
| 286 | uint8_t *data = NULL; |
| 287 | uint32_t size = 0; |
| 288 | const pldm_pdr_record *curr_record = pldm_pdr_find_record_by_type( |
| 289 | repo, PLDM_PDR_FRU_RECORD_SET, NULL, &data, &size); |
| 290 | while (curr_record != NULL) { |
| 291 | struct pldm_pdr_fru_record_set *fru = |
| 292 | (struct pldm_pdr_fru_record_set |
| 293 | *)(data + sizeof(struct pldm_pdr_hdr)); |
Deepak Kodihalli | fb4dd7b | 2020-03-17 03:27:22 -0500 | [diff] [blame] | 294 | if (fru->fru_rsi == htole16(fru_rsi)) { |
| 295 | *terminus_handle = le16toh(fru->terminus_handle); |
| 296 | *entity_type = le16toh(fru->entity_type); |
| 297 | *entity_instance_num = |
| 298 | le16toh(fru->entity_instance_num); |
| 299 | *container_id = le16toh(fru->container_id); |
Deepak Kodihalli | db91467 | 2020-02-07 02:47:45 -0600 | [diff] [blame] | 300 | return curr_record; |
| 301 | } |
| 302 | data = NULL; |
| 303 | curr_record = pldm_pdr_find_record_by_type( |
| 304 | repo, PLDM_PDR_FRU_RECORD_SET, curr_record, &data, &size); |
| 305 | } |
| 306 | |
| 307 | *terminus_handle = 0; |
| 308 | *entity_type = 0; |
| 309 | *entity_instance_num = 0; |
| 310 | *container_id = 0; |
| 311 | |
| 312 | return NULL; |
| 313 | } |
Deepak Kodihalli | 0578705 | 2020-03-10 01:54:08 -0500 | [diff] [blame] | 314 | |
| 315 | typedef struct pldm_entity_association_tree { |
| 316 | pldm_entity_node *root; |
| 317 | uint16_t last_used_container_id; |
| 318 | } pldm_entity_association_tree; |
| 319 | |
| 320 | typedef struct pldm_entity_node { |
| 321 | pldm_entity entity; |
| 322 | pldm_entity_node *first_child; |
| 323 | pldm_entity_node *next_sibling; |
| 324 | uint8_t association_type; |
| 325 | } pldm_entity_node; |
| 326 | |
| 327 | static inline uint16_t next_container_id(pldm_entity_association_tree *tree) |
| 328 | { |
| 329 | assert(tree != NULL); |
| 330 | assert(tree->last_used_container_id != UINT16_MAX); |
| 331 | |
| 332 | return ++tree->last_used_container_id; |
| 333 | } |
| 334 | |
| 335 | pldm_entity_association_tree *pldm_entity_association_tree_init() |
| 336 | { |
| 337 | pldm_entity_association_tree *tree = |
| 338 | malloc(sizeof(pldm_entity_association_tree)); |
| 339 | assert(tree != NULL); |
| 340 | tree->root = NULL; |
| 341 | tree->last_used_container_id = 0; |
| 342 | |
| 343 | return tree; |
| 344 | } |
| 345 | |
| 346 | static pldm_entity_node *find_insertion_at(pldm_entity_node *start, |
| 347 | uint16_t entity_type) |
| 348 | { |
| 349 | assert(start != NULL); |
| 350 | |
| 351 | /* Insert after the the last node that matches the input entity type, or |
| 352 | * at the end if no such match occurrs |
| 353 | */ |
| 354 | while (start->next_sibling != NULL) { |
| 355 | uint16_t this_type = start->entity.entity_type; |
| 356 | pldm_entity_node *next = start->next_sibling; |
| 357 | if (this_type == entity_type && |
| 358 | (this_type != next->entity.entity_type)) { |
| 359 | break; |
| 360 | } |
| 361 | start = start->next_sibling; |
| 362 | } |
| 363 | |
| 364 | return start; |
| 365 | } |
| 366 | |
| 367 | pldm_entity_node * |
| 368 | pldm_entity_association_tree_add(pldm_entity_association_tree *tree, |
| 369 | pldm_entity *entity, pldm_entity_node *parent, |
| 370 | uint8_t association_type) |
| 371 | { |
| 372 | assert(tree != NULL); |
| 373 | assert(association_type == PLDM_ENTITY_ASSOCIAION_PHYSICAL || |
| 374 | association_type == PLDM_ENTITY_ASSOCIAION_LOGICAL); |
| 375 | pldm_entity_node *node = malloc(sizeof(pldm_entity_node)); |
| 376 | assert(node != NULL); |
| 377 | node->first_child = NULL; |
| 378 | node->next_sibling = NULL; |
| 379 | node->entity.entity_type = entity->entity_type; |
| 380 | node->entity.entity_instance_num = 1; |
| 381 | node->association_type = association_type; |
| 382 | |
| 383 | if (tree->root == NULL) { |
| 384 | assert(parent == NULL); |
| 385 | tree->root = node; |
| 386 | /* container_id 0 here indicates this is the top-most entry */ |
| 387 | node->entity.entity_container_id = 0; |
| 388 | } else if (parent != NULL && parent->first_child == NULL) { |
| 389 | parent->first_child = node; |
| 390 | node->entity.entity_container_id = next_container_id(tree); |
| 391 | } else { |
| 392 | pldm_entity_node *start = |
| 393 | parent == NULL ? tree->root : parent->first_child; |
| 394 | pldm_entity_node *prev = |
| 395 | find_insertion_at(start, entity->entity_type); |
| 396 | assert(prev != NULL); |
| 397 | pldm_entity_node *next = prev->next_sibling; |
| 398 | if (prev->entity.entity_type == entity->entity_type) { |
| 399 | assert(prev->entity.entity_instance_num != UINT16_MAX); |
| 400 | node->entity.entity_instance_num = |
| 401 | prev->entity.entity_instance_num + 1; |
| 402 | } |
| 403 | prev->next_sibling = node; |
| 404 | node->next_sibling = next; |
| 405 | node->entity.entity_container_id = |
| 406 | prev->entity.entity_container_id; |
| 407 | } |
| 408 | entity->entity_instance_num = node->entity.entity_instance_num; |
| 409 | entity->entity_container_id = node->entity.entity_container_id; |
| 410 | |
| 411 | return node; |
| 412 | } |
| 413 | |
| 414 | static void get_num_nodes(pldm_entity_node *node, size_t *num) |
| 415 | { |
| 416 | if (node == NULL) { |
| 417 | return; |
| 418 | } |
| 419 | |
| 420 | ++(*num); |
| 421 | get_num_nodes(node->next_sibling, num); |
| 422 | get_num_nodes(node->first_child, num); |
| 423 | } |
| 424 | |
| 425 | static void entity_association_tree_visit(pldm_entity_node *node, |
| 426 | pldm_entity *entities, size_t *index) |
| 427 | { |
| 428 | if (node == NULL) { |
| 429 | return; |
| 430 | } |
| 431 | |
| 432 | pldm_entity *entity = &entities[*index]; |
| 433 | ++(*index); |
| 434 | entity->entity_type = node->entity.entity_type; |
| 435 | entity->entity_instance_num = node->entity.entity_instance_num; |
| 436 | entity->entity_container_id = node->entity.entity_container_id; |
| 437 | |
| 438 | entity_association_tree_visit(node->next_sibling, entities, index); |
| 439 | entity_association_tree_visit(node->first_child, entities, index); |
| 440 | } |
| 441 | |
| 442 | void pldm_entity_association_tree_visit(pldm_entity_association_tree *tree, |
| 443 | pldm_entity **entities, size_t *size) |
| 444 | { |
| 445 | assert(tree != NULL); |
| 446 | |
| 447 | *size = 0; |
| 448 | if (tree->root == NULL) { |
| 449 | return; |
| 450 | } |
| 451 | |
| 452 | get_num_nodes(tree->root, size); |
| 453 | *entities = malloc(*size * sizeof(pldm_entity)); |
| 454 | size_t index = 0; |
| 455 | entity_association_tree_visit(tree->root, *entities, &index); |
| 456 | } |
| 457 | |
| 458 | static void entity_association_tree_destroy(pldm_entity_node *node) |
| 459 | { |
| 460 | if (node == NULL) { |
| 461 | return; |
| 462 | } |
| 463 | |
| 464 | entity_association_tree_destroy(node->next_sibling); |
| 465 | entity_association_tree_destroy(node->first_child); |
| 466 | free(node); |
| 467 | } |
| 468 | |
| 469 | void pldm_entity_association_tree_destroy(pldm_entity_association_tree *tree) |
| 470 | { |
| 471 | assert(tree != NULL); |
| 472 | |
| 473 | entity_association_tree_destroy(tree->root); |
| 474 | free(tree); |
| 475 | } |
| 476 | |
| 477 | inline bool pldm_entity_is_node_parent(pldm_entity_node *node) |
| 478 | { |
| 479 | assert(node != NULL); |
| 480 | |
| 481 | return node->first_child != NULL; |
| 482 | } |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 483 | |
| 484 | uint8_t pldm_entity_get_num_children(pldm_entity_node *node, |
| 485 | uint8_t association_type) |
| 486 | { |
| 487 | assert(node != NULL); |
| 488 | assert(association_type == PLDM_ENTITY_ASSOCIAION_PHYSICAL || |
| 489 | association_type == PLDM_ENTITY_ASSOCIAION_LOGICAL); |
| 490 | |
| 491 | size_t count = 0; |
| 492 | pldm_entity_node *curr = node->first_child; |
| 493 | while (curr != NULL) { |
| 494 | if (curr->association_type == association_type) { |
| 495 | ++count; |
| 496 | } |
| 497 | curr = curr->next_sibling; |
| 498 | } |
| 499 | |
| 500 | assert(count < UINT8_MAX); |
| 501 | return count; |
| 502 | } |
| 503 | |
| 504 | static void _entity_association_pdr_add_entry(pldm_entity_node *curr, |
| 505 | pldm_pdr *repo, uint16_t size, |
| 506 | uint8_t contained_count, |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 507 | uint8_t association_type, |
| 508 | bool is_remote) |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 509 | { |
| 510 | uint8_t pdr[size]; |
| 511 | uint8_t *start = pdr; |
| 512 | |
| 513 | struct pldm_pdr_hdr *hdr = (struct pldm_pdr_hdr *)start; |
| 514 | hdr->version = 1; |
| 515 | hdr->record_handle = 0; |
| 516 | hdr->type = PLDM_PDR_ENTITY_ASSOCIATION; |
| 517 | hdr->record_change_num = 0; |
Deepak Kodihalli | fb4dd7b | 2020-03-17 03:27:22 -0500 | [diff] [blame] | 518 | hdr->length = htole16(size - sizeof(struct pldm_pdr_hdr)); |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 519 | start += sizeof(struct pldm_pdr_hdr); |
| 520 | |
| 521 | uint16_t *container_id = (uint16_t *)start; |
Deepak Kodihalli | fb4dd7b | 2020-03-17 03:27:22 -0500 | [diff] [blame] | 522 | *container_id = htole16(curr->first_child->entity.entity_container_id); |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 523 | start += sizeof(uint16_t); |
| 524 | *start = association_type; |
| 525 | start += sizeof(uint8_t); |
| 526 | |
| 527 | pldm_entity *entity = (pldm_entity *)start; |
Deepak Kodihalli | fb4dd7b | 2020-03-17 03:27:22 -0500 | [diff] [blame] | 528 | entity->entity_type = htole16(curr->entity.entity_type); |
| 529 | entity->entity_instance_num = htole16(curr->entity.entity_instance_num); |
| 530 | entity->entity_container_id = htole16(curr->entity.entity_container_id); |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 531 | start += sizeof(pldm_entity); |
| 532 | |
| 533 | *start = contained_count; |
| 534 | start += sizeof(uint8_t); |
| 535 | |
| 536 | pldm_entity_node *node = curr->first_child; |
| 537 | while (node != NULL) { |
| 538 | if (node->association_type == association_type) { |
| 539 | pldm_entity *entity = (pldm_entity *)start; |
Deepak Kodihalli | fb4dd7b | 2020-03-17 03:27:22 -0500 | [diff] [blame] | 540 | entity->entity_type = htole16(node->entity.entity_type); |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 541 | entity->entity_instance_num = |
Deepak Kodihalli | fb4dd7b | 2020-03-17 03:27:22 -0500 | [diff] [blame] | 542 | htole16(node->entity.entity_instance_num); |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 543 | entity->entity_container_id = |
Deepak Kodihalli | fb4dd7b | 2020-03-17 03:27:22 -0500 | [diff] [blame] | 544 | htole16(node->entity.entity_container_id); |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 545 | start += sizeof(pldm_entity); |
| 546 | } |
| 547 | node = node->next_sibling; |
| 548 | } |
| 549 | |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 550 | pldm_pdr_add(repo, pdr, size, 0, is_remote); |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 551 | } |
| 552 | |
| 553 | static void entity_association_pdr_add_entry(pldm_entity_node *curr, |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 554 | pldm_pdr *repo, bool is_remote) |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 555 | { |
| 556 | uint8_t num_logical_children = |
| 557 | pldm_entity_get_num_children(curr, PLDM_ENTITY_ASSOCIAION_LOGICAL); |
| 558 | uint8_t num_physical_children = |
| 559 | pldm_entity_get_num_children(curr, PLDM_ENTITY_ASSOCIAION_PHYSICAL); |
| 560 | |
| 561 | if (num_logical_children) { |
| 562 | uint16_t logical_pdr_size = |
| 563 | sizeof(struct pldm_pdr_hdr) + sizeof(uint16_t) + |
| 564 | sizeof(uint8_t) + sizeof(pldm_entity) + sizeof(uint8_t) + |
| 565 | (num_logical_children * sizeof(pldm_entity)); |
| 566 | _entity_association_pdr_add_entry( |
| 567 | curr, repo, logical_pdr_size, num_logical_children, |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 568 | PLDM_ENTITY_ASSOCIAION_LOGICAL, is_remote); |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 569 | } |
| 570 | |
| 571 | if (num_physical_children) { |
| 572 | uint16_t physical_pdr_size = |
| 573 | sizeof(struct pldm_pdr_hdr) + sizeof(uint16_t) + |
| 574 | sizeof(uint8_t) + sizeof(pldm_entity) + sizeof(uint8_t) + |
| 575 | (num_physical_children * sizeof(pldm_entity)); |
| 576 | _entity_association_pdr_add_entry( |
| 577 | curr, repo, physical_pdr_size, num_physical_children, |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 578 | PLDM_ENTITY_ASSOCIAION_PHYSICAL, is_remote); |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 579 | } |
| 580 | } |
| 581 | |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 582 | static void entity_association_pdr_add(pldm_entity_node *curr, pldm_pdr *repo, |
| 583 | bool is_remote) |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 584 | { |
| 585 | if (curr == NULL) { |
| 586 | return; |
| 587 | } |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 588 | entity_association_pdr_add_entry(curr, repo, is_remote); |
| 589 | entity_association_pdr_add(curr->next_sibling, repo, is_remote); |
| 590 | entity_association_pdr_add(curr->first_child, repo, is_remote); |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 591 | } |
| 592 | |
| 593 | void pldm_entity_association_pdr_add(pldm_entity_association_tree *tree, |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 594 | pldm_pdr *repo, bool is_remote) |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 595 | { |
| 596 | assert(tree != NULL); |
| 597 | assert(repo != NULL); |
| 598 | |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame^] | 599 | entity_association_pdr_add(tree->root, repo, is_remote); |
Deepak Kodihalli | 0a738f0 | 2020-03-10 01:56:21 -0500 | [diff] [blame] | 600 | } |
Deepak Kodihalli | 3b28ba8 | 2020-03-30 07:39:47 -0500 | [diff] [blame] | 601 | |
| 602 | void entity_association_tree_find(pldm_entity_node *node, pldm_entity *entity, |
| 603 | pldm_entity_node **out) |
| 604 | { |
| 605 | if (node == NULL) { |
| 606 | return; |
| 607 | } |
| 608 | |
| 609 | if (node->entity.entity_type == entity->entity_type && |
| 610 | node->entity.entity_instance_num == entity->entity_instance_num) { |
| 611 | entity->entity_container_id = node->entity.entity_container_id; |
| 612 | *out = node; |
| 613 | return; |
| 614 | } |
| 615 | |
| 616 | entity_association_tree_find(node->next_sibling, entity, out); |
| 617 | entity_association_tree_find(node->first_child, entity, out); |
| 618 | } |
| 619 | |
| 620 | pldm_entity_node * |
| 621 | pldm_entity_association_tree_find(pldm_entity_association_tree *tree, |
| 622 | pldm_entity *entity) |
| 623 | { |
| 624 | assert(tree != NULL); |
| 625 | |
| 626 | pldm_entity_node *node = NULL; |
| 627 | entity_association_tree_find(tree->root, entity, &node); |
| 628 | return node; |
| 629 | } |
| 630 | |
| 631 | void pldm_entity_association_pdr_extract(const uint8_t *pdr, uint16_t pdr_len, |
| 632 | size_t *num_entities, |
| 633 | pldm_entity **entities) |
| 634 | { |
| 635 | assert(pdr != NULL); |
| 636 | assert(pdr_len >= sizeof(struct pldm_pdr_hdr) + |
| 637 | sizeof(struct pldm_pdr_entity_association)); |
| 638 | |
| 639 | struct pldm_pdr_hdr *hdr = (struct pldm_pdr_hdr *)pdr; |
| 640 | assert(hdr->type == PLDM_PDR_ENTITY_ASSOCIATION); |
| 641 | |
| 642 | const uint8_t *start = (uint8_t *)pdr; |
| 643 | const uint8_t *end = |
| 644 | start + sizeof(struct pldm_pdr_hdr) + le16toh(hdr->length); |
| 645 | start += sizeof(struct pldm_pdr_hdr); |
| 646 | struct pldm_pdr_entity_association *entity_association_pdr = |
| 647 | (struct pldm_pdr_entity_association *)start; |
| 648 | *num_entities = entity_association_pdr->num_children + 1; |
| 649 | assert(*num_entities >= 2); |
| 650 | *entities = malloc(sizeof(pldm_entity) * *num_entities); |
| 651 | assert(*entities != NULL); |
| 652 | assert(start + sizeof(struct pldm_pdr_entity_association) + |
| 653 | sizeof(pldm_entity) * (*num_entities - 2) == |
| 654 | end); |
| 655 | (*entities)->entity_type = |
| 656 | le16toh(entity_association_pdr->container.entity_type); |
| 657 | (*entities)->entity_instance_num = |
| 658 | le16toh(entity_association_pdr->container.entity_instance_num); |
| 659 | (*entities)->entity_container_id = |
| 660 | le16toh(entity_association_pdr->container.entity_container_id); |
| 661 | pldm_entity *curr_entity = entity_association_pdr->children; |
| 662 | size_t i = 1; |
| 663 | while (i < *num_entities) { |
| 664 | (*entities + i)->entity_type = |
| 665 | le16toh(curr_entity->entity_type); |
| 666 | (*entities + i)->entity_instance_num = |
| 667 | le16toh(curr_entity->entity_instance_num); |
| 668 | (*entities + i)->entity_container_id = |
| 669 | le16toh(curr_entity->entity_container_id); |
| 670 | ++curr_entity; |
| 671 | ++i; |
| 672 | } |
| 673 | } |