Patrick Williams | 691668f | 2023-11-01 08:19:10 -0500 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */ |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 2 | #include "base.h" |
Manojkiran Eda | 9a8e497 | 2022-11-28 16:38:21 +0530 | [diff] [blame] | 3 | #include "pldm_types.h" |
| 4 | #include <endian.h> |
| 5 | #include <stdint.h> |
| 6 | #include <string.h> |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 7 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 8 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 9 | uint8_t pack_pldm_header(const struct pldm_header_info *hdr, |
| 10 | struct pldm_msg_hdr *msg) |
| 11 | { |
| 12 | if (msg == NULL || hdr == NULL) { |
| 13 | return PLDM_ERROR_INVALID_DATA; |
| 14 | } |
| 15 | |
| 16 | if (hdr->msg_type != PLDM_RESPONSE && hdr->msg_type != PLDM_REQUEST && |
| 17 | hdr->msg_type != PLDM_ASYNC_REQUEST_NOTIFY) { |
| 18 | return PLDM_ERROR_INVALID_DATA; |
| 19 | } |
| 20 | |
| 21 | if (hdr->instance > PLDM_INSTANCE_MAX) { |
| 22 | return PLDM_ERROR_INVALID_DATA; |
| 23 | } |
| 24 | |
| 25 | if (hdr->pldm_type > (PLDM_MAX_TYPES - 1)) { |
| 26 | return PLDM_ERROR_INVALID_PLDM_TYPE; |
| 27 | } |
| 28 | |
| 29 | uint8_t datagram = (hdr->msg_type == PLDM_ASYNC_REQUEST_NOTIFY) ? 1 : 0; |
| 30 | |
| 31 | if (hdr->msg_type == PLDM_RESPONSE) { |
| 32 | msg->request = PLDM_RESPONSE; |
| 33 | } else if (hdr->msg_type == PLDM_REQUEST || |
| 34 | hdr->msg_type == PLDM_ASYNC_REQUEST_NOTIFY) { |
| 35 | msg->request = PLDM_REQUEST; |
| 36 | } |
| 37 | msg->datagram = datagram; |
| 38 | msg->reserved = 0; |
| 39 | msg->instance_id = hdr->instance; |
| 40 | msg->header_ver = PLDM_CURRENT_VERSION; |
| 41 | msg->type = hdr->pldm_type; |
| 42 | msg->command = hdr->command; |
| 43 | |
| 44 | return PLDM_SUCCESS; |
| 45 | } |
| 46 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 47 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 48 | uint8_t unpack_pldm_header(const struct pldm_msg_hdr *msg, |
| 49 | struct pldm_header_info *hdr) |
| 50 | { |
| 51 | if (msg == NULL) { |
| 52 | return PLDM_ERROR_INVALID_DATA; |
| 53 | } |
| 54 | |
| 55 | if (msg->request == PLDM_RESPONSE) { |
| 56 | hdr->msg_type = PLDM_RESPONSE; |
| 57 | } else { |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 58 | hdr->msg_type = msg->datagram ? PLDM_ASYNC_REQUEST_NOTIFY : |
| 59 | PLDM_REQUEST; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 60 | } |
| 61 | |
| 62 | hdr->instance = msg->instance_id; |
| 63 | hdr->pldm_type = msg->type; |
| 64 | hdr->command = msg->command; |
| 65 | |
| 66 | return PLDM_SUCCESS; |
| 67 | } |
| 68 | |
Andrew Jeffery | 5239d9a | 2023-10-16 10:51:53 +1030 | [diff] [blame] | 69 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 91c06e9 | 2023-09-22 15:22:54 +0930 | [diff] [blame] | 70 | bool pldm_msg_hdr_correlate_response(const struct pldm_msg_hdr *req, |
| 71 | const struct pldm_msg_hdr *resp) |
| 72 | { |
| 73 | return req->instance_id == resp->instance_id && req->request && |
| 74 | !resp->request && req->type == resp->type && |
| 75 | req->command == resp->command; |
| 76 | } |
| 77 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 78 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 79 | int encode_get_types_req(uint8_t instance_id, struct pldm_msg *msg) |
| 80 | { |
| 81 | if (msg == NULL) { |
| 82 | return PLDM_ERROR_INVALID_DATA; |
| 83 | } |
| 84 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 85 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 86 | header.instance = instance_id; |
| 87 | header.msg_type = PLDM_REQUEST; |
| 88 | header.command = PLDM_GET_PLDM_TYPES; |
| 89 | |
| 90 | return pack_pldm_header(&header, &(msg->hdr)); |
| 91 | } |
| 92 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 93 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 94 | int encode_get_commands_req(uint8_t instance_id, uint8_t type, ver32_t version, |
| 95 | struct pldm_msg *msg) |
| 96 | { |
| 97 | if (msg == NULL) { |
| 98 | return PLDM_ERROR_INVALID_DATA; |
| 99 | } |
| 100 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 101 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 102 | header.instance = instance_id; |
| 103 | header.msg_type = PLDM_REQUEST; |
| 104 | header.command = PLDM_GET_PLDM_COMMANDS; |
| 105 | |
| 106 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 107 | if (rc != PLDM_SUCCESS) { |
| 108 | return rc; |
| 109 | } |
| 110 | |
| 111 | struct pldm_get_commands_req *request = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 112 | (struct pldm_get_commands_req *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 113 | |
| 114 | request->type = type; |
| 115 | request->version = version; |
| 116 | |
| 117 | return PLDM_SUCCESS; |
| 118 | } |
| 119 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 120 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 121 | int encode_get_types_resp(uint8_t instance_id, uint8_t completion_code, |
| 122 | const bitfield8_t *types, struct pldm_msg *msg) |
| 123 | { |
| 124 | if (msg == NULL) { |
| 125 | return PLDM_ERROR_INVALID_DATA; |
| 126 | } |
| 127 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 128 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 129 | header.instance = instance_id; |
| 130 | header.msg_type = PLDM_RESPONSE; |
| 131 | header.command = PLDM_GET_PLDM_TYPES; |
| 132 | |
| 133 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 134 | if (rc != PLDM_SUCCESS) { |
| 135 | return rc; |
| 136 | } |
| 137 | |
| 138 | struct pldm_get_types_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 139 | (struct pldm_get_types_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 140 | response->completion_code = completion_code; |
| 141 | if (response->completion_code == PLDM_SUCCESS) { |
| 142 | if (types == NULL) { |
| 143 | return PLDM_ERROR_INVALID_DATA; |
| 144 | } |
| 145 | memcpy(response->types, &(types->byte), PLDM_MAX_TYPES / 8); |
| 146 | } |
| 147 | |
| 148 | return PLDM_SUCCESS; |
| 149 | } |
| 150 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 151 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 152 | int decode_get_commands_req(const struct pldm_msg *msg, size_t payload_length, |
| 153 | uint8_t *type, ver32_t *version) |
| 154 | { |
| 155 | if (msg == NULL || type == NULL || version == NULL) { |
| 156 | return PLDM_ERROR_INVALID_DATA; |
| 157 | } |
| 158 | |
| 159 | if (payload_length != PLDM_GET_COMMANDS_REQ_BYTES) { |
| 160 | return PLDM_ERROR_INVALID_LENGTH; |
| 161 | } |
| 162 | |
| 163 | struct pldm_get_commands_req *request = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 164 | (struct pldm_get_commands_req *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 165 | *type = request->type; |
| 166 | *version = request->version; |
| 167 | return PLDM_SUCCESS; |
| 168 | } |
| 169 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 170 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 171 | int encode_get_commands_resp(uint8_t instance_id, uint8_t completion_code, |
| 172 | const bitfield8_t *commands, struct pldm_msg *msg) |
| 173 | { |
| 174 | if (msg == NULL) { |
| 175 | return PLDM_ERROR_INVALID_DATA; |
| 176 | } |
| 177 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 178 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 179 | header.instance = instance_id; |
| 180 | header.msg_type = PLDM_RESPONSE; |
| 181 | header.command = PLDM_GET_PLDM_COMMANDS; |
| 182 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 183 | if (rc != PLDM_SUCCESS) { |
| 184 | return rc; |
| 185 | } |
| 186 | |
| 187 | struct pldm_get_commands_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 188 | (struct pldm_get_commands_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 189 | response->completion_code = completion_code; |
| 190 | if (response->completion_code == PLDM_SUCCESS) { |
| 191 | if (commands == NULL) { |
| 192 | return PLDM_ERROR_INVALID_DATA; |
| 193 | } |
| 194 | memcpy(response->commands, &(commands->byte), |
| 195 | PLDM_MAX_CMDS_PER_TYPE / 8); |
| 196 | } |
| 197 | |
| 198 | return PLDM_SUCCESS; |
| 199 | } |
| 200 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 201 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 202 | int decode_get_types_resp(const struct pldm_msg *msg, size_t payload_length, |
| 203 | uint8_t *completion_code, bitfield8_t *types) |
| 204 | { |
| 205 | if (msg == NULL || types == NULL || completion_code == NULL) { |
| 206 | return PLDM_ERROR_INVALID_DATA; |
| 207 | } |
| 208 | |
| 209 | *completion_code = msg->payload[0]; |
| 210 | if (PLDM_SUCCESS != *completion_code) { |
| 211 | return PLDM_SUCCESS; |
| 212 | } |
| 213 | |
| 214 | if (payload_length != PLDM_GET_TYPES_RESP_BYTES) { |
| 215 | return PLDM_ERROR_INVALID_LENGTH; |
| 216 | } |
| 217 | |
| 218 | struct pldm_get_types_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 219 | (struct pldm_get_types_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 220 | |
| 221 | memcpy(&(types->byte), response->types, PLDM_MAX_TYPES / 8); |
| 222 | |
| 223 | return PLDM_SUCCESS; |
| 224 | } |
| 225 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 226 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 227 | int decode_get_commands_resp(const struct pldm_msg *msg, size_t payload_length, |
| 228 | uint8_t *completion_code, bitfield8_t *commands) |
| 229 | { |
| 230 | if (msg == NULL || commands == NULL || completion_code == NULL) { |
| 231 | return PLDM_ERROR_INVALID_DATA; |
| 232 | } |
| 233 | |
| 234 | *completion_code = msg->payload[0]; |
| 235 | if (PLDM_SUCCESS != *completion_code) { |
| 236 | return PLDM_SUCCESS; |
| 237 | } |
| 238 | |
| 239 | if (payload_length != PLDM_GET_COMMANDS_RESP_BYTES) { |
| 240 | return PLDM_ERROR_INVALID_LENGTH; |
| 241 | } |
| 242 | |
| 243 | struct pldm_get_commands_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 244 | (struct pldm_get_commands_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 245 | |
| 246 | memcpy(&(commands->byte), response->commands, |
| 247 | PLDM_MAX_CMDS_PER_TYPE / 8); |
| 248 | |
| 249 | return PLDM_SUCCESS; |
| 250 | } |
| 251 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 252 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 253 | int encode_get_version_req(uint8_t instance_id, uint32_t transfer_handle, |
| 254 | uint8_t transfer_opflag, uint8_t type, |
| 255 | struct pldm_msg *msg) |
| 256 | { |
| 257 | if (NULL == msg) { |
| 258 | return PLDM_ERROR_INVALID_DATA; |
| 259 | } |
| 260 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 261 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 262 | header.msg_type = PLDM_REQUEST; |
| 263 | header.instance = instance_id; |
| 264 | header.pldm_type = PLDM_BASE; |
| 265 | header.command = PLDM_GET_PLDM_VERSION; |
| 266 | |
| 267 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 268 | if (rc != PLDM_SUCCESS) { |
| 269 | return rc; |
| 270 | } |
| 271 | |
| 272 | struct pldm_get_version_req *request = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 273 | (struct pldm_get_version_req *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 274 | transfer_handle = htole32(transfer_handle); |
| 275 | request->transfer_handle = transfer_handle; |
| 276 | request->transfer_opflag = transfer_opflag; |
| 277 | request->type = type; |
| 278 | |
| 279 | return PLDM_SUCCESS; |
| 280 | } |
| 281 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 282 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 283 | int encode_get_version_resp(uint8_t instance_id, uint8_t completion_code, |
| 284 | uint32_t next_transfer_handle, |
| 285 | uint8_t transfer_flag, const ver32_t *version_data, |
| 286 | size_t version_size, struct pldm_msg *msg) |
| 287 | { |
| 288 | if (NULL == msg) { |
| 289 | return PLDM_ERROR_INVALID_DATA; |
| 290 | } |
| 291 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 292 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 293 | header.msg_type = PLDM_RESPONSE; |
| 294 | header.instance = instance_id; |
| 295 | header.pldm_type = PLDM_BASE; |
| 296 | header.command = PLDM_GET_PLDM_VERSION; |
| 297 | |
| 298 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 299 | if (rc != PLDM_SUCCESS) { |
| 300 | return rc; |
| 301 | } |
| 302 | |
| 303 | struct pldm_get_version_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 304 | (struct pldm_get_version_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 305 | response->completion_code = completion_code; |
| 306 | if (response->completion_code == PLDM_SUCCESS) { |
| 307 | response->next_transfer_handle = htole32(next_transfer_handle); |
| 308 | response->transfer_flag = transfer_flag; |
| 309 | memcpy(response->version_data, (uint8_t *)version_data, |
| 310 | version_size); |
| 311 | } |
| 312 | return PLDM_SUCCESS; |
| 313 | } |
| 314 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 315 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 316 | int decode_get_version_req(const struct pldm_msg *msg, size_t payload_length, |
| 317 | uint32_t *transfer_handle, uint8_t *transfer_opflag, |
| 318 | uint8_t *type) |
| 319 | { |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 320 | if (payload_length != PLDM_GET_VERSION_REQ_BYTES) { |
| 321 | return PLDM_ERROR_INVALID_LENGTH; |
| 322 | } |
| 323 | |
| 324 | struct pldm_get_version_req *request = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 325 | (struct pldm_get_version_req *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 326 | *transfer_handle = le32toh(request->transfer_handle); |
| 327 | *transfer_opflag = request->transfer_opflag; |
| 328 | *type = request->type; |
| 329 | return PLDM_SUCCESS; |
| 330 | } |
| 331 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 332 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 333 | int decode_get_version_resp(const struct pldm_msg *msg, size_t payload_length, |
| 334 | uint8_t *completion_code, |
| 335 | uint32_t *next_transfer_handle, |
| 336 | uint8_t *transfer_flag, ver32_t *version) |
| 337 | { |
| 338 | if (msg == NULL || next_transfer_handle == NULL || |
| 339 | transfer_flag == NULL || completion_code == NULL) { |
| 340 | return PLDM_ERROR_INVALID_DATA; |
| 341 | } |
| 342 | |
| 343 | *completion_code = msg->payload[0]; |
| 344 | if (PLDM_SUCCESS != *completion_code) { |
| 345 | return PLDM_SUCCESS; |
| 346 | } |
| 347 | |
| 348 | if (payload_length < PLDM_GET_VERSION_RESP_BYTES) { |
| 349 | return PLDM_ERROR_INVALID_LENGTH; |
| 350 | } |
| 351 | |
| 352 | struct pldm_get_version_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 353 | (struct pldm_get_version_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 354 | |
| 355 | *next_transfer_handle = le32toh(response->next_transfer_handle); |
| 356 | *transfer_flag = response->transfer_flag; |
| 357 | memcpy(version, (uint8_t *)response->version_data, sizeof(ver32_t)); |
| 358 | |
| 359 | return PLDM_SUCCESS; |
| 360 | } |
| 361 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 362 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 363 | int encode_get_tid_req(uint8_t instance_id, struct pldm_msg *msg) |
| 364 | { |
| 365 | if (msg == NULL) { |
| 366 | return PLDM_ERROR_INVALID_DATA; |
| 367 | } |
| 368 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 369 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 370 | header.instance = instance_id; |
| 371 | header.msg_type = PLDM_REQUEST; |
| 372 | header.command = PLDM_GET_TID; |
| 373 | |
| 374 | return pack_pldm_header(&header, &(msg->hdr)); |
| 375 | } |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 376 | |
| 377 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 378 | int encode_get_tid_resp(uint8_t instance_id, uint8_t completion_code, |
| 379 | uint8_t tid, struct pldm_msg *msg) |
| 380 | { |
| 381 | if (msg == NULL) { |
| 382 | return PLDM_ERROR_INVALID_DATA; |
| 383 | } |
| 384 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 385 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 386 | header.instance = instance_id; |
| 387 | header.msg_type = PLDM_RESPONSE; |
| 388 | header.command = PLDM_GET_TID; |
| 389 | |
| 390 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 391 | if (rc != PLDM_SUCCESS) { |
| 392 | return rc; |
| 393 | } |
| 394 | |
| 395 | struct pldm_get_tid_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 396 | (struct pldm_get_tid_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 397 | response->completion_code = completion_code; |
| 398 | response->tid = tid; |
| 399 | |
| 400 | return PLDM_SUCCESS; |
| 401 | } |
| 402 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 403 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 404 | int decode_get_tid_resp(const struct pldm_msg *msg, size_t payload_length, |
| 405 | uint8_t *completion_code, uint8_t *tid) |
| 406 | { |
| 407 | if (msg == NULL || tid == NULL || completion_code == NULL) { |
| 408 | return PLDM_ERROR_INVALID_DATA; |
| 409 | } |
| 410 | |
| 411 | *completion_code = msg->payload[0]; |
| 412 | if (PLDM_SUCCESS != *completion_code) { |
| 413 | return PLDM_SUCCESS; |
| 414 | } |
| 415 | |
| 416 | if (payload_length != PLDM_GET_TID_RESP_BYTES) { |
| 417 | return PLDM_ERROR_INVALID_LENGTH; |
| 418 | } |
| 419 | |
| 420 | struct pldm_get_tid_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 421 | (struct pldm_get_tid_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 422 | |
| 423 | *tid = response->tid; |
| 424 | |
| 425 | return PLDM_SUCCESS; |
| 426 | } |
| 427 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 428 | LIBPLDM_ABI_STABLE |
Gilbert Chen | 6c9c917 | 2022-10-18 17:07:29 +0800 | [diff] [blame] | 429 | int encode_set_tid_req(uint8_t instance_id, uint8_t tid, struct pldm_msg *msg) |
| 430 | { |
| 431 | if (msg == NULL) { |
| 432 | return PLDM_ERROR_INVALID_DATA; |
| 433 | } |
| 434 | |
| 435 | if (tid == 0x0 || tid == 0xff) { |
| 436 | return PLDM_ERROR_INVALID_DATA; |
| 437 | } |
| 438 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 439 | struct pldm_header_info header = { 0 }; |
Gilbert Chen | 6c9c917 | 2022-10-18 17:07:29 +0800 | [diff] [blame] | 440 | header.instance = instance_id; |
| 441 | header.msg_type = PLDM_REQUEST; |
| 442 | header.command = PLDM_SET_TID; |
| 443 | |
| 444 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 445 | if (rc != PLDM_SUCCESS) { |
| 446 | return rc; |
| 447 | } |
| 448 | |
| 449 | struct pldm_set_tid_req *request = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 450 | (struct pldm_set_tid_req *)msg->payload; |
Gilbert Chen | 6c9c917 | 2022-10-18 17:07:29 +0800 | [diff] [blame] | 451 | request->tid = tid; |
| 452 | |
| 453 | return PLDM_SUCCESS; |
| 454 | } |
| 455 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 456 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 457 | int decode_multipart_receive_req(const struct pldm_msg *msg, |
| 458 | size_t payload_length, uint8_t *pldm_type, |
| 459 | uint8_t *transfer_opflag, |
| 460 | uint32_t *transfer_ctx, |
| 461 | uint32_t *transfer_handle, |
| 462 | uint32_t *section_offset, |
| 463 | uint32_t *section_length) |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 464 | { |
| 465 | if (msg == NULL || pldm_type == NULL || transfer_opflag == NULL || |
| 466 | transfer_ctx == NULL || transfer_handle == NULL || |
| 467 | section_offset == NULL || section_length == NULL) { |
| 468 | return PLDM_ERROR_INVALID_DATA; |
| 469 | } |
| 470 | |
| 471 | if (payload_length != PLDM_MULTIPART_RECEIVE_REQ_BYTES) { |
| 472 | return PLDM_ERROR_INVALID_LENGTH; |
| 473 | } |
| 474 | |
| 475 | struct pldm_multipart_receive_req *request = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 476 | (struct pldm_multipart_receive_req *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 477 | |
| 478 | if (request->pldm_type != PLDM_BASE) { |
| 479 | return PLDM_ERROR_INVALID_PLDM_TYPE; |
| 480 | } |
| 481 | |
| 482 | // Any enum value above PLDM_XFER_CURRENT_PART is invalid. |
| 483 | if (request->transfer_opflag > PLDM_XFER_CURRENT_PART) { |
| 484 | return PLDM_INVALID_TRANSFER_OPERATION_FLAG; |
| 485 | } |
| 486 | |
| 487 | // A section offset of 0 is only valid on FIRST_PART or COMPLETE Xfers. |
| 488 | uint32_t sec_offset = le32toh(request->section_offset); |
| 489 | if (sec_offset == 0 && |
| 490 | (request->transfer_opflag != PLDM_XFER_FIRST_PART && |
| 491 | request->transfer_opflag != PLDM_XFER_COMPLETE)) { |
| 492 | return PLDM_ERROR_INVALID_DATA; |
| 493 | } |
| 494 | |
| 495 | uint32_t handle = le32toh(request->transfer_handle); |
| 496 | if (handle == 0 && request->transfer_opflag != PLDM_XFER_COMPLETE) { |
| 497 | return PLDM_ERROR_INVALID_DATA; |
| 498 | } |
| 499 | |
| 500 | *pldm_type = request->pldm_type; |
| 501 | *transfer_opflag = request->transfer_opflag; |
| 502 | *transfer_ctx = request->transfer_ctx; |
| 503 | *transfer_handle = handle; |
| 504 | *section_offset = sec_offset; |
| 505 | *section_length = le32toh(request->section_length); |
| 506 | |
| 507 | return PLDM_SUCCESS; |
| 508 | } |
| 509 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 510 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 511 | int encode_cc_only_resp(uint8_t instance_id, uint8_t type, uint8_t command, |
| 512 | uint8_t cc, struct pldm_msg *msg) |
| 513 | { |
| 514 | if (msg == NULL) { |
| 515 | return PLDM_ERROR_INVALID_DATA; |
| 516 | } |
| 517 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 518 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 519 | header.instance = instance_id; |
| 520 | header.msg_type = PLDM_RESPONSE; |
| 521 | header.pldm_type = type; |
| 522 | header.command = command; |
| 523 | |
| 524 | uint8_t rc = pack_pldm_header(&header, &msg->hdr); |
| 525 | if (rc != PLDM_SUCCESS) { |
| 526 | return rc; |
| 527 | } |
| 528 | |
| 529 | msg->payload[0] = cc; |
| 530 | |
| 531 | return PLDM_SUCCESS; |
| 532 | } |
| 533 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 534 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 535 | int encode_pldm_header_only(uint8_t msg_type, uint8_t instance_id, |
| 536 | uint8_t pldm_type, uint8_t command, |
| 537 | struct pldm_msg *msg) |
| 538 | { |
| 539 | if (msg == NULL) { |
| 540 | return PLDM_ERROR_INVALID_DATA; |
| 541 | } |
| 542 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 543 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 544 | header.msg_type = msg_type; |
| 545 | header.instance = instance_id; |
| 546 | header.pldm_type = pldm_type; |
| 547 | header.command = command; |
| 548 | return pack_pldm_header(&header, &(msg->hdr)); |
| 549 | } |