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 | d861a68 | 2024-06-03 21:43:09 +0930 | [diff] [blame^] | 2 | #include "api.h" |
| 3 | #include "dsp/base.h" |
| 4 | |
| 5 | #include <assert.h> |
Andrew Jeffery | b0c1d20 | 2023-11-07 22:08:44 +1030 | [diff] [blame] | 6 | #include <libpldm/base.h> |
| 7 | #include <libpldm/pldm_types.h> |
| 8 | |
Manojkiran Eda | 9a8e497 | 2022-11-28 16:38:21 +0530 | [diff] [blame] | 9 | #include <endian.h> |
Andrew Jeffery | d861a68 | 2024-06-03 21:43:09 +0930 | [diff] [blame^] | 10 | #include <errno.h> |
Manojkiran Eda | 9a8e497 | 2022-11-28 16:38:21 +0530 | [diff] [blame] | 11 | #include <stdint.h> |
| 12 | #include <string.h> |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 13 | |
Andrew Jeffery | d861a68 | 2024-06-03 21:43:09 +0930 | [diff] [blame^] | 14 | int pack_pldm_header_errno(const struct pldm_header_info *hdr, |
| 15 | struct pldm_msg_hdr *msg) |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 16 | { |
| 17 | if (msg == NULL || hdr == NULL) { |
Andrew Jeffery | d861a68 | 2024-06-03 21:43:09 +0930 | [diff] [blame^] | 18 | return -EINVAL; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 19 | } |
| 20 | |
| 21 | if (hdr->msg_type != PLDM_RESPONSE && hdr->msg_type != PLDM_REQUEST && |
| 22 | hdr->msg_type != PLDM_ASYNC_REQUEST_NOTIFY) { |
Andrew Jeffery | d861a68 | 2024-06-03 21:43:09 +0930 | [diff] [blame^] | 23 | return -EINVAL; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 24 | } |
| 25 | |
| 26 | if (hdr->instance > PLDM_INSTANCE_MAX) { |
Andrew Jeffery | d861a68 | 2024-06-03 21:43:09 +0930 | [diff] [blame^] | 27 | return -EINVAL; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 28 | } |
| 29 | |
| 30 | if (hdr->pldm_type > (PLDM_MAX_TYPES - 1)) { |
Andrew Jeffery | d861a68 | 2024-06-03 21:43:09 +0930 | [diff] [blame^] | 31 | return -ENOMSG; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 32 | } |
| 33 | |
| 34 | uint8_t datagram = (hdr->msg_type == PLDM_ASYNC_REQUEST_NOTIFY) ? 1 : 0; |
| 35 | |
| 36 | if (hdr->msg_type == PLDM_RESPONSE) { |
| 37 | msg->request = PLDM_RESPONSE; |
| 38 | } else if (hdr->msg_type == PLDM_REQUEST || |
| 39 | hdr->msg_type == PLDM_ASYNC_REQUEST_NOTIFY) { |
| 40 | msg->request = PLDM_REQUEST; |
| 41 | } |
| 42 | msg->datagram = datagram; |
| 43 | msg->reserved = 0; |
| 44 | msg->instance_id = hdr->instance; |
| 45 | msg->header_ver = PLDM_CURRENT_VERSION; |
| 46 | msg->type = hdr->pldm_type; |
| 47 | msg->command = hdr->command; |
| 48 | |
Andrew Jeffery | d861a68 | 2024-06-03 21:43:09 +0930 | [diff] [blame^] | 49 | return 0; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 50 | } |
| 51 | |
Andrew Jeffery | d861a68 | 2024-06-03 21:43:09 +0930 | [diff] [blame^] | 52 | int unpack_pldm_header_errno(const struct pldm_msg_hdr *msg, |
| 53 | struct pldm_header_info *hdr) |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 54 | { |
| 55 | if (msg == NULL) { |
Andrew Jeffery | d861a68 | 2024-06-03 21:43:09 +0930 | [diff] [blame^] | 56 | return -EINVAL; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | if (msg->request == PLDM_RESPONSE) { |
| 60 | hdr->msg_type = PLDM_RESPONSE; |
| 61 | } else { |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 62 | hdr->msg_type = msg->datagram ? PLDM_ASYNC_REQUEST_NOTIFY : |
| 63 | PLDM_REQUEST; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 64 | } |
| 65 | |
| 66 | hdr->instance = msg->instance_id; |
| 67 | hdr->pldm_type = msg->type; |
| 68 | hdr->command = msg->command; |
| 69 | |
Andrew Jeffery | d861a68 | 2024-06-03 21:43:09 +0930 | [diff] [blame^] | 70 | return 0; |
| 71 | } |
| 72 | |
| 73 | LIBPLDM_ABI_STABLE |
| 74 | uint8_t pack_pldm_header(const struct pldm_header_info *hdr, |
| 75 | struct pldm_msg_hdr *msg) |
| 76 | { |
| 77 | enum pldm_completion_codes cc; |
| 78 | int rc; |
| 79 | |
| 80 | rc = pack_pldm_header_errno(hdr, msg); |
| 81 | if (!rc) { |
| 82 | return PLDM_SUCCESS; |
| 83 | } |
| 84 | |
| 85 | cc = pldm_xlate_errno(rc); |
| 86 | assert(cc < UINT8_MAX); |
| 87 | if (cc > UINT8_MAX) { |
| 88 | static_assert(PLDM_ERROR < UINT8_MAX, "Unable to report error"); |
| 89 | return PLDM_ERROR; |
| 90 | } |
| 91 | |
| 92 | return cc; |
| 93 | } |
| 94 | |
| 95 | LIBPLDM_ABI_STABLE |
| 96 | uint8_t unpack_pldm_header(const struct pldm_msg_hdr *msg, |
| 97 | struct pldm_header_info *hdr) |
| 98 | { |
| 99 | enum pldm_completion_codes cc; |
| 100 | int rc; |
| 101 | |
| 102 | rc = unpack_pldm_header_errno(msg, hdr); |
| 103 | if (!rc) { |
| 104 | return PLDM_SUCCESS; |
| 105 | } |
| 106 | |
| 107 | cc = pldm_xlate_errno(rc); |
| 108 | assert(cc < UINT8_MAX); |
| 109 | if (cc > UINT8_MAX) { |
| 110 | static_assert(PLDM_ERROR < UINT8_MAX, "Unable to report error"); |
| 111 | return PLDM_ERROR; |
| 112 | } |
| 113 | |
| 114 | return cc; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 115 | } |
| 116 | |
Andrew Jeffery | 5239d9a | 2023-10-16 10:51:53 +1030 | [diff] [blame] | 117 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 91c06e9 | 2023-09-22 15:22:54 +0930 | [diff] [blame] | 118 | bool pldm_msg_hdr_correlate_response(const struct pldm_msg_hdr *req, |
| 119 | const struct pldm_msg_hdr *resp) |
| 120 | { |
| 121 | return req->instance_id == resp->instance_id && req->request && |
| 122 | !resp->request && req->type == resp->type && |
| 123 | req->command == resp->command; |
| 124 | } |
| 125 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 126 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 127 | int encode_get_types_req(uint8_t instance_id, struct pldm_msg *msg) |
| 128 | { |
| 129 | if (msg == NULL) { |
| 130 | return PLDM_ERROR_INVALID_DATA; |
| 131 | } |
| 132 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 133 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 134 | header.instance = instance_id; |
| 135 | header.msg_type = PLDM_REQUEST; |
| 136 | header.command = PLDM_GET_PLDM_TYPES; |
| 137 | |
| 138 | return pack_pldm_header(&header, &(msg->hdr)); |
| 139 | } |
| 140 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 141 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 142 | int encode_get_commands_req(uint8_t instance_id, uint8_t type, ver32_t version, |
| 143 | struct pldm_msg *msg) |
| 144 | { |
| 145 | if (msg == NULL) { |
| 146 | return PLDM_ERROR_INVALID_DATA; |
| 147 | } |
| 148 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 149 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 150 | header.instance = instance_id; |
| 151 | header.msg_type = PLDM_REQUEST; |
| 152 | header.command = PLDM_GET_PLDM_COMMANDS; |
| 153 | |
| 154 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 155 | if (rc != PLDM_SUCCESS) { |
| 156 | return rc; |
| 157 | } |
| 158 | |
| 159 | struct pldm_get_commands_req *request = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 160 | (struct pldm_get_commands_req *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 161 | |
| 162 | request->type = type; |
| 163 | request->version = version; |
| 164 | |
| 165 | return PLDM_SUCCESS; |
| 166 | } |
| 167 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 168 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 169 | int encode_get_types_resp(uint8_t instance_id, uint8_t completion_code, |
| 170 | const bitfield8_t *types, struct pldm_msg *msg) |
| 171 | { |
| 172 | if (msg == NULL) { |
| 173 | return PLDM_ERROR_INVALID_DATA; |
| 174 | } |
| 175 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 176 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 177 | header.instance = instance_id; |
| 178 | header.msg_type = PLDM_RESPONSE; |
| 179 | header.command = PLDM_GET_PLDM_TYPES; |
| 180 | |
| 181 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 182 | if (rc != PLDM_SUCCESS) { |
| 183 | return rc; |
| 184 | } |
| 185 | |
| 186 | struct pldm_get_types_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 187 | (struct pldm_get_types_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 188 | response->completion_code = completion_code; |
| 189 | if (response->completion_code == PLDM_SUCCESS) { |
| 190 | if (types == NULL) { |
| 191 | return PLDM_ERROR_INVALID_DATA; |
| 192 | } |
| 193 | memcpy(response->types, &(types->byte), PLDM_MAX_TYPES / 8); |
| 194 | } |
| 195 | |
| 196 | return PLDM_SUCCESS; |
| 197 | } |
| 198 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 199 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 200 | int decode_get_commands_req(const struct pldm_msg *msg, size_t payload_length, |
| 201 | uint8_t *type, ver32_t *version) |
| 202 | { |
| 203 | if (msg == NULL || type == NULL || version == NULL) { |
| 204 | return PLDM_ERROR_INVALID_DATA; |
| 205 | } |
| 206 | |
| 207 | if (payload_length != PLDM_GET_COMMANDS_REQ_BYTES) { |
| 208 | return PLDM_ERROR_INVALID_LENGTH; |
| 209 | } |
| 210 | |
| 211 | struct pldm_get_commands_req *request = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 212 | (struct pldm_get_commands_req *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 213 | *type = request->type; |
| 214 | *version = request->version; |
| 215 | return PLDM_SUCCESS; |
| 216 | } |
| 217 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 218 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 219 | int encode_get_commands_resp(uint8_t instance_id, uint8_t completion_code, |
| 220 | const bitfield8_t *commands, struct pldm_msg *msg) |
| 221 | { |
| 222 | if (msg == NULL) { |
| 223 | return PLDM_ERROR_INVALID_DATA; |
| 224 | } |
| 225 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 226 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 227 | header.instance = instance_id; |
| 228 | header.msg_type = PLDM_RESPONSE; |
| 229 | header.command = PLDM_GET_PLDM_COMMANDS; |
| 230 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 231 | if (rc != PLDM_SUCCESS) { |
| 232 | return rc; |
| 233 | } |
| 234 | |
| 235 | struct pldm_get_commands_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 236 | (struct pldm_get_commands_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 237 | response->completion_code = completion_code; |
| 238 | if (response->completion_code == PLDM_SUCCESS) { |
| 239 | if (commands == NULL) { |
| 240 | return PLDM_ERROR_INVALID_DATA; |
| 241 | } |
| 242 | memcpy(response->commands, &(commands->byte), |
| 243 | PLDM_MAX_CMDS_PER_TYPE / 8); |
| 244 | } |
| 245 | |
| 246 | return PLDM_SUCCESS; |
| 247 | } |
| 248 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 249 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 250 | int decode_get_types_resp(const struct pldm_msg *msg, size_t payload_length, |
| 251 | uint8_t *completion_code, bitfield8_t *types) |
| 252 | { |
| 253 | if (msg == NULL || types == NULL || completion_code == NULL) { |
| 254 | return PLDM_ERROR_INVALID_DATA; |
| 255 | } |
| 256 | |
| 257 | *completion_code = msg->payload[0]; |
| 258 | if (PLDM_SUCCESS != *completion_code) { |
| 259 | return PLDM_SUCCESS; |
| 260 | } |
| 261 | |
| 262 | if (payload_length != PLDM_GET_TYPES_RESP_BYTES) { |
| 263 | return PLDM_ERROR_INVALID_LENGTH; |
| 264 | } |
| 265 | |
| 266 | struct pldm_get_types_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 267 | (struct pldm_get_types_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 268 | |
| 269 | memcpy(&(types->byte), response->types, PLDM_MAX_TYPES / 8); |
| 270 | |
| 271 | return PLDM_SUCCESS; |
| 272 | } |
| 273 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 274 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 275 | int decode_get_commands_resp(const struct pldm_msg *msg, size_t payload_length, |
| 276 | uint8_t *completion_code, bitfield8_t *commands) |
| 277 | { |
| 278 | if (msg == NULL || commands == NULL || completion_code == NULL) { |
| 279 | return PLDM_ERROR_INVALID_DATA; |
| 280 | } |
| 281 | |
| 282 | *completion_code = msg->payload[0]; |
| 283 | if (PLDM_SUCCESS != *completion_code) { |
| 284 | return PLDM_SUCCESS; |
| 285 | } |
| 286 | |
| 287 | if (payload_length != PLDM_GET_COMMANDS_RESP_BYTES) { |
| 288 | return PLDM_ERROR_INVALID_LENGTH; |
| 289 | } |
| 290 | |
| 291 | struct pldm_get_commands_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 292 | (struct pldm_get_commands_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 293 | |
| 294 | memcpy(&(commands->byte), response->commands, |
| 295 | PLDM_MAX_CMDS_PER_TYPE / 8); |
| 296 | |
| 297 | return PLDM_SUCCESS; |
| 298 | } |
| 299 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 300 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 301 | int encode_get_version_req(uint8_t instance_id, uint32_t transfer_handle, |
| 302 | uint8_t transfer_opflag, uint8_t type, |
| 303 | struct pldm_msg *msg) |
| 304 | { |
| 305 | if (NULL == msg) { |
| 306 | return PLDM_ERROR_INVALID_DATA; |
| 307 | } |
| 308 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 309 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 310 | header.msg_type = PLDM_REQUEST; |
| 311 | header.instance = instance_id; |
| 312 | header.pldm_type = PLDM_BASE; |
| 313 | header.command = PLDM_GET_PLDM_VERSION; |
| 314 | |
| 315 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 316 | if (rc != PLDM_SUCCESS) { |
| 317 | return rc; |
| 318 | } |
| 319 | |
| 320 | struct pldm_get_version_req *request = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 321 | (struct pldm_get_version_req *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 322 | transfer_handle = htole32(transfer_handle); |
| 323 | request->transfer_handle = transfer_handle; |
| 324 | request->transfer_opflag = transfer_opflag; |
| 325 | request->type = type; |
| 326 | |
| 327 | return PLDM_SUCCESS; |
| 328 | } |
| 329 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 330 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 331 | int encode_get_version_resp(uint8_t instance_id, uint8_t completion_code, |
| 332 | uint32_t next_transfer_handle, |
| 333 | uint8_t transfer_flag, const ver32_t *version_data, |
| 334 | size_t version_size, struct pldm_msg *msg) |
| 335 | { |
| 336 | if (NULL == msg) { |
| 337 | return PLDM_ERROR_INVALID_DATA; |
| 338 | } |
| 339 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 340 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 341 | header.msg_type = PLDM_RESPONSE; |
| 342 | header.instance = instance_id; |
| 343 | header.pldm_type = PLDM_BASE; |
| 344 | header.command = PLDM_GET_PLDM_VERSION; |
| 345 | |
| 346 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 347 | if (rc != PLDM_SUCCESS) { |
| 348 | return rc; |
| 349 | } |
| 350 | |
| 351 | struct pldm_get_version_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 352 | (struct pldm_get_version_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 353 | response->completion_code = completion_code; |
| 354 | if (response->completion_code == PLDM_SUCCESS) { |
| 355 | response->next_transfer_handle = htole32(next_transfer_handle); |
| 356 | response->transfer_flag = transfer_flag; |
| 357 | memcpy(response->version_data, (uint8_t *)version_data, |
| 358 | version_size); |
| 359 | } |
| 360 | return PLDM_SUCCESS; |
| 361 | } |
| 362 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 363 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 364 | int decode_get_version_req(const struct pldm_msg *msg, size_t payload_length, |
| 365 | uint32_t *transfer_handle, uint8_t *transfer_opflag, |
| 366 | uint8_t *type) |
| 367 | { |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 368 | if (payload_length != PLDM_GET_VERSION_REQ_BYTES) { |
| 369 | return PLDM_ERROR_INVALID_LENGTH; |
| 370 | } |
| 371 | |
| 372 | struct pldm_get_version_req *request = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 373 | (struct pldm_get_version_req *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 374 | *transfer_handle = le32toh(request->transfer_handle); |
| 375 | *transfer_opflag = request->transfer_opflag; |
| 376 | *type = request->type; |
| 377 | return PLDM_SUCCESS; |
| 378 | } |
| 379 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 380 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 381 | int decode_get_version_resp(const struct pldm_msg *msg, size_t payload_length, |
| 382 | uint8_t *completion_code, |
| 383 | uint32_t *next_transfer_handle, |
| 384 | uint8_t *transfer_flag, ver32_t *version) |
| 385 | { |
| 386 | if (msg == NULL || next_transfer_handle == NULL || |
| 387 | transfer_flag == NULL || completion_code == NULL) { |
| 388 | return PLDM_ERROR_INVALID_DATA; |
| 389 | } |
| 390 | |
| 391 | *completion_code = msg->payload[0]; |
| 392 | if (PLDM_SUCCESS != *completion_code) { |
| 393 | return PLDM_SUCCESS; |
| 394 | } |
| 395 | |
| 396 | if (payload_length < PLDM_GET_VERSION_RESP_BYTES) { |
| 397 | return PLDM_ERROR_INVALID_LENGTH; |
| 398 | } |
| 399 | |
| 400 | struct pldm_get_version_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 401 | (struct pldm_get_version_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 402 | |
| 403 | *next_transfer_handle = le32toh(response->next_transfer_handle); |
| 404 | *transfer_flag = response->transfer_flag; |
| 405 | memcpy(version, (uint8_t *)response->version_data, sizeof(ver32_t)); |
| 406 | |
| 407 | return PLDM_SUCCESS; |
| 408 | } |
| 409 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 410 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 411 | int encode_get_tid_req(uint8_t instance_id, struct pldm_msg *msg) |
| 412 | { |
| 413 | if (msg == NULL) { |
| 414 | return PLDM_ERROR_INVALID_DATA; |
| 415 | } |
| 416 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 417 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 418 | header.instance = instance_id; |
| 419 | header.msg_type = PLDM_REQUEST; |
| 420 | header.command = PLDM_GET_TID; |
| 421 | |
| 422 | return pack_pldm_header(&header, &(msg->hdr)); |
| 423 | } |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 424 | |
| 425 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 426 | int encode_get_tid_resp(uint8_t instance_id, uint8_t completion_code, |
| 427 | uint8_t tid, struct pldm_msg *msg) |
| 428 | { |
| 429 | if (msg == NULL) { |
| 430 | return PLDM_ERROR_INVALID_DATA; |
| 431 | } |
| 432 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 433 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 434 | header.instance = instance_id; |
| 435 | header.msg_type = PLDM_RESPONSE; |
| 436 | header.command = PLDM_GET_TID; |
| 437 | |
| 438 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 439 | if (rc != PLDM_SUCCESS) { |
| 440 | return rc; |
| 441 | } |
| 442 | |
| 443 | struct pldm_get_tid_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 444 | (struct pldm_get_tid_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 445 | response->completion_code = completion_code; |
| 446 | response->tid = tid; |
| 447 | |
| 448 | return PLDM_SUCCESS; |
| 449 | } |
| 450 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 451 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 452 | int decode_get_tid_resp(const struct pldm_msg *msg, size_t payload_length, |
| 453 | uint8_t *completion_code, uint8_t *tid) |
| 454 | { |
| 455 | if (msg == NULL || tid == NULL || completion_code == NULL) { |
| 456 | return PLDM_ERROR_INVALID_DATA; |
| 457 | } |
| 458 | |
| 459 | *completion_code = msg->payload[0]; |
| 460 | if (PLDM_SUCCESS != *completion_code) { |
| 461 | return PLDM_SUCCESS; |
| 462 | } |
| 463 | |
| 464 | if (payload_length != PLDM_GET_TID_RESP_BYTES) { |
| 465 | return PLDM_ERROR_INVALID_LENGTH; |
| 466 | } |
| 467 | |
| 468 | struct pldm_get_tid_resp *response = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 469 | (struct pldm_get_tid_resp *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 470 | |
| 471 | *tid = response->tid; |
| 472 | |
| 473 | return PLDM_SUCCESS; |
| 474 | } |
| 475 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 476 | LIBPLDM_ABI_STABLE |
Gilbert Chen | 6c9c917 | 2022-10-18 17:07:29 +0800 | [diff] [blame] | 477 | int encode_set_tid_req(uint8_t instance_id, uint8_t tid, struct pldm_msg *msg) |
| 478 | { |
| 479 | if (msg == NULL) { |
| 480 | return PLDM_ERROR_INVALID_DATA; |
| 481 | } |
| 482 | |
| 483 | if (tid == 0x0 || tid == 0xff) { |
| 484 | return PLDM_ERROR_INVALID_DATA; |
| 485 | } |
| 486 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 487 | struct pldm_header_info header = { 0 }; |
Gilbert Chen | 6c9c917 | 2022-10-18 17:07:29 +0800 | [diff] [blame] | 488 | header.instance = instance_id; |
| 489 | header.msg_type = PLDM_REQUEST; |
| 490 | header.command = PLDM_SET_TID; |
| 491 | |
| 492 | uint8_t rc = pack_pldm_header(&header, &(msg->hdr)); |
| 493 | if (rc != PLDM_SUCCESS) { |
| 494 | return rc; |
| 495 | } |
| 496 | |
| 497 | struct pldm_set_tid_req *request = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 498 | (struct pldm_set_tid_req *)msg->payload; |
Gilbert Chen | 6c9c917 | 2022-10-18 17:07:29 +0800 | [diff] [blame] | 499 | request->tid = tid; |
| 500 | |
| 501 | return PLDM_SUCCESS; |
| 502 | } |
| 503 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 504 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 505 | int decode_multipart_receive_req(const struct pldm_msg *msg, |
| 506 | size_t payload_length, uint8_t *pldm_type, |
| 507 | uint8_t *transfer_opflag, |
| 508 | uint32_t *transfer_ctx, |
| 509 | uint32_t *transfer_handle, |
| 510 | uint32_t *section_offset, |
| 511 | uint32_t *section_length) |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 512 | { |
| 513 | if (msg == NULL || pldm_type == NULL || transfer_opflag == NULL || |
| 514 | transfer_ctx == NULL || transfer_handle == NULL || |
| 515 | section_offset == NULL || section_length == NULL) { |
| 516 | return PLDM_ERROR_INVALID_DATA; |
| 517 | } |
| 518 | |
| 519 | if (payload_length != PLDM_MULTIPART_RECEIVE_REQ_BYTES) { |
| 520 | return PLDM_ERROR_INVALID_LENGTH; |
| 521 | } |
| 522 | |
| 523 | struct pldm_multipart_receive_req *request = |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 524 | (struct pldm_multipart_receive_req *)msg->payload; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 525 | |
| 526 | if (request->pldm_type != PLDM_BASE) { |
| 527 | return PLDM_ERROR_INVALID_PLDM_TYPE; |
| 528 | } |
| 529 | |
| 530 | // Any enum value above PLDM_XFER_CURRENT_PART is invalid. |
| 531 | if (request->transfer_opflag > PLDM_XFER_CURRENT_PART) { |
| 532 | return PLDM_INVALID_TRANSFER_OPERATION_FLAG; |
| 533 | } |
| 534 | |
| 535 | // A section offset of 0 is only valid on FIRST_PART or COMPLETE Xfers. |
| 536 | uint32_t sec_offset = le32toh(request->section_offset); |
| 537 | if (sec_offset == 0 && |
| 538 | (request->transfer_opflag != PLDM_XFER_FIRST_PART && |
| 539 | request->transfer_opflag != PLDM_XFER_COMPLETE)) { |
| 540 | return PLDM_ERROR_INVALID_DATA; |
| 541 | } |
| 542 | |
| 543 | uint32_t handle = le32toh(request->transfer_handle); |
| 544 | if (handle == 0 && request->transfer_opflag != PLDM_XFER_COMPLETE) { |
| 545 | return PLDM_ERROR_INVALID_DATA; |
| 546 | } |
| 547 | |
| 548 | *pldm_type = request->pldm_type; |
| 549 | *transfer_opflag = request->transfer_opflag; |
| 550 | *transfer_ctx = request->transfer_ctx; |
| 551 | *transfer_handle = handle; |
| 552 | *section_offset = sec_offset; |
| 553 | *section_length = le32toh(request->section_length); |
| 554 | |
| 555 | return PLDM_SUCCESS; |
| 556 | } |
| 557 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 558 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 559 | int encode_cc_only_resp(uint8_t instance_id, uint8_t type, uint8_t command, |
| 560 | uint8_t cc, struct pldm_msg *msg) |
| 561 | { |
| 562 | if (msg == NULL) { |
| 563 | return PLDM_ERROR_INVALID_DATA; |
| 564 | } |
| 565 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 566 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 567 | header.instance = instance_id; |
| 568 | header.msg_type = PLDM_RESPONSE; |
| 569 | header.pldm_type = type; |
| 570 | header.command = command; |
| 571 | |
| 572 | uint8_t rc = pack_pldm_header(&header, &msg->hdr); |
| 573 | if (rc != PLDM_SUCCESS) { |
| 574 | return rc; |
| 575 | } |
| 576 | |
| 577 | msg->payload[0] = cc; |
| 578 | |
| 579 | return PLDM_SUCCESS; |
| 580 | } |
| 581 | |
Andrew Jeffery | 9d2a1c6 | 2023-06-05 13:02:16 +0930 | [diff] [blame] | 582 | LIBPLDM_ABI_STABLE |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 583 | int encode_pldm_header_only(uint8_t msg_type, uint8_t instance_id, |
| 584 | uint8_t pldm_type, uint8_t command, |
| 585 | struct pldm_msg *msg) |
| 586 | { |
| 587 | if (msg == NULL) { |
| 588 | return PLDM_ERROR_INVALID_DATA; |
| 589 | } |
| 590 | |
Andrew Jeffery | 37dd6a3 | 2023-05-12 16:04:06 +0930 | [diff] [blame] | 591 | struct pldm_header_info header = { 0 }; |
Andrew Jeffery | 9c76679 | 2022-08-10 23:12:49 +0930 | [diff] [blame] | 592 | header.msg_type = msg_type; |
| 593 | header.instance = instance_id; |
| 594 | header.pldm_type = pldm_type; |
| 595 | header.command = command; |
| 596 | return pack_pldm_header(&header, &(msg->hdr)); |
| 597 | } |