xref: /openbmc/libpldm/include/libpldm/firmware_update.h (revision cf9a2df37762189674b04aabaa371cae7d0a92aa)
1 /* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */
2 #ifndef FW_UPDATE_H
3 #define FW_UPDATE_H
4 
5 #ifdef __cplusplus
6 extern "C" {
7 #endif
8 
9 #include <libpldm/api.h>
10 #include <libpldm/base.h>
11 #include <libpldm/pldm_types.h>
12 #include <libpldm/utils.h>
13 
14 #include <stdbool.h>
15 #include <stddef.h>
16 #include <stdint.h>
17 
18 #define PLDM_FWUP_COMPONENT_BITMAP_MULTIPLE		 8
19 #define PLDM_FWUP_INVALID_COMPONENT_COMPARISON_TIMESTAMP 0xffffffff
20 #define PLDM_QUERY_DEVICE_IDENTIFIERS_REQ_BYTES		 0
21 
22 /** @brief Length of QueryDownstreamDevices response defined in DSP0267_1.1.0
23  *  Table 15 - QueryDownstreamDevices command format.
24  *
25  *  1 byte for completion code
26  *  1 byte for downstream device update supported
27  *  2 bytes for number of downstream devices
28  *  2 bytes for max number of downstream devices
29  *  4 bytes for capabilities
30  */
31 #define PLDM_QUERY_DOWNSTREAM_DEVICES_RESP_BYTES 10
32 
33 /** @brief Length of QueryDownstreamIdentifiers request defined in DSP0267_1.1.0
34  * 	Table 16 - QueryDownstreamIdentifiers command format.
35  *
36  *  4 bytes for data transfer handle
37  *  1 byte for transfer operation flag
38 */
39 #define PLDM_QUERY_DOWNSTREAM_IDENTIFIERS_REQ_BYTES 5
40 
41 /** @brief Minimum length of QueryDownstreamIdentifiers response from DSP0267_1.1.0
42  *  if the complement code is success.
43  *
44  *  1 byte for completion code
45  *  4 bytes for next data transfer handle
46  *  1 byte for transfer flag
47  *  4 bytes for downstream devices length
48  *  2 bytes for number of downstream devices
49  */
50 #define PLDM_QUERY_DOWNSTREAM_IDENTIFIERS_RESP_MIN_LEN 12
51 
52 /** @brief Minimum length of device descriptor, 2 bytes for descriptor type,
53  *         2 bytes for descriptor length and at least 1 byte of descriptor data
54  */
55 #define PLDM_FWUP_DEVICE_DESCRIPTOR_MIN_LEN 5
56 
57 /** @brief Length of GetDownstreamFirmwareParameters request defined in DSP0267_1.1.0
58  *
59  * 4 bytes for Data Transfer Handle
60  * 1 byte for Transfer Operation Flag
61  */
62 #define PLDM_GET_DOWNSTREAM_FIRMWARE_PARAMETERS_REQ_BYTES 5
63 
64 /** @brief Minimum length of GetDownstreamFirmwareParameters response from
65  * DSP0267_1.1.0 if the completion code is success.
66  *
67  * 1 byte for completion code
68  * 4 bytes for next data transfer handle
69  * 1 byte for transfer flag
70  * 4 bytes for FDP capabilities during update
71  * 2 bytes for downstream device count
72  */
73 #define PLDM_GET_DOWNSTREAM_FIRMWARE_PARAMETERS_RESP_MIN_LEN 12
74 
75 /** @brief Minimum length of DownstreamDeviceParameterTable entry from
76  * DSP0267_1.1.0 table 21 - DownstreamDeviceParameterTable
77  *
78  * 2 bytes for Downstream Device Index
79  * 4 bytes for Active Component Comparison Stamp
80  * 1 byte for Active Component Version String Type
81  * 1 byte for Active Component Version String Length
82  * 8 bytes for Active Component Release Date
83  * 4 bytes for Pending Component Comparison Stamp
84  * 1 byte for Pending Component Version String Type
85  * 1 byte for Pending Component Version String Length
86  * 8 bytes for Pending Component Release Date
87  * 2 bytes for Component Activation Methods
88  * 4 bytes for Capabilities During Update
89  */
90 #define PLDM_DOWNSTREAM_DEVICE_PARAMETERS_ENTRY_MIN_LEN 36
91 
92 #define PLDM_GET_FIRMWARE_PARAMETERS_REQ_BYTES 0
93 #define PLDM_FWUP_BASELINE_TRANSFER_SIZE       32
94 #define PLDM_FWUP_MIN_OUTSTANDING_REQ	       1
95 #define PLDM_GET_STATUS_REQ_BYTES	       0
96 /* Maximum progress percentage value*/
97 #define PLDM_FWUP_MAX_PROGRESS_PERCENT	       0x65
98 #define PLDM_CANCEL_UPDATE_COMPONENT_REQ_BYTES 0
99 #define PLDM_CANCEL_UPDATE_REQ_BYTES	       0
100 
101 /** @brief PLDM component release data size in bytes defined in DSP0267_1.1.0
102  * Table 14 - ComponentParameterTable and Table 21 - ComponentParameterTable
103  *
104  * The size can be used in `ASCII[8] - ActiveComponentReleaseDate` and
105  * `ASCII[8] - PendingComponentReleaseDate` fields in the tables above.
106  */
107 #define PLDM_FWUP_COMPONENT_RELEASE_DATA_LEN 8
108 
109 /** @brief PLDM Firmware update commands
110  */
111 enum pldm_firmware_update_commands {
112 	PLDM_QUERY_DEVICE_IDENTIFIERS = 0x01,
113 	PLDM_GET_FIRMWARE_PARAMETERS = 0x02,
114 	PLDM_QUERY_DOWNSTREAM_DEVICES = 0x03,
115 	PLDM_QUERY_DOWNSTREAM_IDENTIFIERS = 0x04,
116 	PLDM_QUERY_DOWNSTREAM_FIRMWARE_PARAMETERS = 0x05,
117 	PLDM_REQUEST_UPDATE = 0x10,
118 	PLDM_PASS_COMPONENT_TABLE = 0x13,
119 	PLDM_UPDATE_COMPONENT = 0x14,
120 	PLDM_REQUEST_FIRMWARE_DATA = 0x15,
121 	PLDM_TRANSFER_COMPLETE = 0x16,
122 	PLDM_VERIFY_COMPLETE = 0x17,
123 	PLDM_APPLY_COMPLETE = 0x18,
124 	PLDM_ACTIVATE_FIRMWARE = 0x1a,
125 	PLDM_GET_STATUS = 0x1b,
126 	PLDM_CANCEL_UPDATE_COMPONENT = 0x1c,
127 	PLDM_CANCEL_UPDATE = 0x1d
128 };
129 
130 /** @brief PLDM Firmware update completion codes
131  */
132 enum pldm_firmware_update_completion_codes {
133 	PLDM_FWUP_NOT_IN_UPDATE_MODE = 0x80,
134 	PLDM_FWUP_ALREADY_IN_UPDATE_MODE = 0x81,
135 	PLDM_FWUP_DATA_OUT_OF_RANGE = 0x82,
136 	PLDM_FWUP_INVALID_TRANSFER_LENGTH = 0x83,
137 	PLDM_FWUP_INVALID_STATE_FOR_COMMAND = 0x84,
138 	PLDM_FWUP_INCOMPLETE_UPDATE = 0x85,
139 	PLDM_FWUP_BUSY_IN_BACKGROUND = 0x86,
140 	PLDM_FWUP_CANCEL_PENDING = 0x87,
141 	PLDM_FWUP_COMMAND_NOT_EXPECTED = 0x88,
142 	PLDM_FWUP_RETRY_REQUEST_FW_DATA = 0x89,
143 	PLDM_FWUP_UNABLE_TO_INITIATE_UPDATE = 0x8a,
144 	PLDM_FWUP_ACTIVATION_NOT_REQUIRED = 0x8b,
145 	PLDM_FWUP_SELF_CONTAINED_ACTIVATION_NOT_PERMITTED = 0x8c,
146 	PLDM_FWUP_NO_DEVICE_METADATA = 0x8d,
147 	PLDM_FWUP_RETRY_REQUEST_UPDATE = 0x8e,
148 	PLDM_FWUP_NO_PACKAGE_DATA = 0x8f,
149 	PLDM_FWUP_INVALID_TRANSFER_HANDLE = 0x90,
150 	PLDM_FWUP_INVALID_TRANSFER_OPERATION_FLAG = 0x91,
151 	PLDM_FWUP_ACTIVATE_PENDING_IMAGE_NOT_PERMITTED = 0x92,
152 	PLDM_FWUP_PACKAGE_DATA_ERROR = 0x93
153 };
154 
155 /** @brief String type values defined in the PLDM firmware update specification
156  */
157 enum pldm_firmware_update_string_type {
158 	PLDM_STR_TYPE_UNKNOWN = 0,
159 	PLDM_STR_TYPE_ASCII = 1,
160 	PLDM_STR_TYPE_UTF_8 = 2,
161 	PLDM_STR_TYPE_UTF_16 = 3,
162 	PLDM_STR_TYPE_UTF_16LE = 4,
163 	PLDM_STR_TYPE_UTF_16BE = 5
164 };
165 
166 /** @brief Descriptor types defined in PLDM firmware update specification
167  */
168 enum pldm_firmware_update_descriptor_types {
169 	PLDM_FWUP_PCI_VENDOR_ID = 0x0000,
170 	PLDM_FWUP_IANA_ENTERPRISE_ID = 0x0001,
171 	PLDM_FWUP_UUID = 0x0002,
172 	PLDM_FWUP_PNP_VENDOR_ID = 0x0003,
173 	PLDM_FWUP_ACPI_VENDOR_ID = 0x0004,
174 	PLDM_FWUP_IEEE_ASSIGNED_COMPANY_ID = 0x0005,
175 	PLDM_FWUP_SCSI_VENDOR_ID = 0x0006,
176 	PLDM_FWUP_PCI_DEVICE_ID = 0x0100,
177 	PLDM_FWUP_PCI_SUBSYSTEM_VENDOR_ID = 0x0101,
178 	PLDM_FWUP_PCI_SUBSYSTEM_ID = 0x0102,
179 	PLDM_FWUP_PCI_REVISION_ID = 0x0103,
180 	PLDM_FWUP_PNP_PRODUCT_IDENTIFIER = 0x0104,
181 	PLDM_FWUP_ACPI_PRODUCT_IDENTIFIER = 0x0105,
182 	PLDM_FWUP_ASCII_MODEL_NUMBER_LONG_STRING = 0x0106,
183 	PLDM_FWUP_ASCII_MODEL_NUMBER_SHORT_STRING = 0x0107,
184 	PLDM_FWUP_SCSI_PRODUCT_ID = 0x0108,
185 	PLDM_FWUP_UBM_CONTROLLER_DEVICE_CODE = 0x0109,
186 	PLDM_FWUP_VENDOR_DEFINED = 0xffff
187 };
188 
189 /** @brief Descriptor types length defined in PLDM firmware update specification
190  */
191 enum pldm_firmware_update_descriptor_types_length {
192 	PLDM_FWUP_PCI_VENDOR_ID_LENGTH = 2,
193 	PLDM_FWUP_IANA_ENTERPRISE_ID_LENGTH = 4,
194 	PLDM_FWUP_UUID_LENGTH = 16,
195 	PLDM_FWUP_PNP_VENDOR_ID_LENGTH = 3,
196 	PLDM_FWUP_ACPI_VENDOR_ID_LENGTH = 4,
197 	PLDM_FWUP_IEEE_ASSIGNED_COMPANY_ID_LENGTH = 3,
198 	PLDM_FWUP_SCSI_VENDOR_ID_LENGTH = 8,
199 	PLDM_FWUP_PCI_DEVICE_ID_LENGTH = 2,
200 	PLDM_FWUP_PCI_SUBSYSTEM_VENDOR_ID_LENGTH = 2,
201 	PLDM_FWUP_PCI_SUBSYSTEM_ID_LENGTH = 2,
202 	PLDM_FWUP_PCI_REVISION_ID_LENGTH = 1,
203 	PLDM_FWUP_PNP_PRODUCT_IDENTIFIER_LENGTH = 4,
204 	PLDM_FWUP_ACPI_PRODUCT_IDENTIFIER_LENGTH = 4,
205 	PLDM_FWUP_ASCII_MODEL_NUMBER_LONG_STRING_LENGTH = 40,
206 	PLDM_FWUP_ASCII_MODEL_NUMBER_SHORT_STRING_LENGTH = 10,
207 	PLDM_FWUP_SCSI_PRODUCT_ID_LENGTH = 16,
208 	PLDM_FWUP_UBM_CONTROLLER_DEVICE_CODE_LENGTH = 4
209 };
210 
211 /** @brief ComponentClassification values defined in firmware update
212  *         specification
213  */
214 enum pldm_component_classification_values {
215 	PLDM_COMP_UNKNOWN = 0x0000,
216 	PLDM_COMP_OTHER = 0x0001,
217 	PLDM_COMP_DRIVER = 0x0002,
218 	PLDM_COMP_CONFIGURATION_SOFTWARE = 0x0003,
219 	PLDM_COMP_APPLICATION_SOFTWARE = 0x0004,
220 	PLDM_COMP_INSTRUMENTATION = 0x0005,
221 	PLDM_COMP_FIRMWARE_OR_BIOS = 0x0006,
222 	PLDM_COMP_DIAGNOSTIC_SOFTWARE = 0x0007,
223 	PLDM_COMP_OPERATING_SYSTEM = 0x0008,
224 	PLDM_COMP_MIDDLEWARE = 0x0009,
225 	PLDM_COMP_FIRMWARE = 0x000a,
226 	PLDM_COMP_BIOS_OR_FCODE = 0x000b,
227 	PLDM_COMP_SUPPORT_OR_SERVICEPACK = 0x000c,
228 	PLDM_COMP_SOFTWARE_BUNDLE = 0x000d,
229 	PLDM_COMP_DOWNSTREAM_DEVICE = 0xffff
230 };
231 
232 /** @brief ComponentActivationMethods is the bit position in the bitfield that
233  *         provides the capability of the FD for firmware activation. Multiple
234  *         activation methods can be supported.
235  */
236 enum pldm_comp_activation_methods {
237 	PLDM_ACTIVATION_AUTOMATIC = 0,
238 	PLDM_ACTIVATION_SELF_CONTAINED = 1,
239 	PLDM_ACTIVATION_MEDIUM_SPECIFIC_RESET = 2,
240 	PLDM_ACTIVATION_SYSTEM_REBOOT = 3,
241 	PLDM_ACTIVATION_DC_POWER_CYCLE = 4,
242 	PLDM_ACTIVATION_AC_POWER_CYCLE = 5,
243 	PLDM_SUPPORTS_ACTIVATE_PENDING_IMAGE = 6,
244 	PLDM_SUPPORTS_ACTIVATE_PENDING_IMAGE_SET = 7
245 };
246 
247 /** @brief ComponentResponse values in the response of PassComponentTable
248  */
249 enum pldm_component_responses {
250 	PLDM_CR_COMP_CAN_BE_UPDATED = 0,
251 	PLDM_CR_COMP_MAY_BE_UPDATEABLE = 1
252 };
253 
254 /** @brief ComponentResponseCode values in the response of PassComponentTable
255  */
256 enum pldm_component_response_codes {
257 	PLDM_CRC_COMP_CAN_BE_UPDATED = 0x00,
258 	PLDM_CRC_COMP_COMPARISON_STAMP_IDENTICAL = 0x01,
259 	PLDM_CRC_COMP_COMPARISON_STAMP_LOWER = 0x02,
260 	PLDM_CRC_INVALID_COMP_COMPARISON_STAMP = 0x03,
261 	PLDM_CRC_COMP_CONFLICT = 0x04,
262 	PLDM_CRC_COMP_PREREQUISITES_NOT_MET = 0x05,
263 	PLDM_CRC_COMP_NOT_SUPPORTED = 0x06,
264 	PLDM_CRC_COMP_SECURITY_RESTRICTIONS = 0x07,
265 	PLDM_CRC_INCOMPLETE_COMP_IMAGE_SET = 0x08,
266 	PLDM_CRC_ACTIVE_IMAGE_NOT_UPDATEABLE_SUBSEQUENTLY = 0x09,
267 	PLDM_CRC_COMP_VER_STR_IDENTICAL = 0x0a,
268 	PLDM_CRC_COMP_VER_STR_LOWER = 0x0b,
269 	PLDM_CRC_VENDOR_COMP_RESP_CODE_RANGE_MIN = 0xd0,
270 	PLDM_CRC_VENDOR_COMP_RESP_CODE_RANGE_MAX = 0xef
271 };
272 
273 /** @brief ComponentCompatibilityResponse values in the response of
274  *         UpdateComponent
275  */
276 enum pldm_component_compatibility_responses {
277 	PLDM_CCR_COMP_CAN_BE_UPDATED = 0,
278 	PLDM_CCR_COMP_CANNOT_BE_UPDATED = 1
279 };
280 
281 /** @brief ComponentCompatibilityResponse Code values in the response of
282  *         UpdateComponent
283  */
284 enum pldm_component_compatibility_response_codes {
285 	PLDM_CCRC_NO_RESPONSE_CODE = 0x00,
286 	PLDM_CCRC_COMP_COMPARISON_STAMP_IDENTICAL = 0x01,
287 	PLDM_CCRC_COMP_COMPARISON_STAMP_LOWER = 0x02,
288 	PLDM_CCRC_INVALID_COMP_COMPARISON_STAMP = 0x03,
289 	PLDM_CCRC_COMP_CONFLICT = 0x04,
290 	PLDM_CCRC_COMP_PREREQUISITES_NOT_MET = 0x05,
291 	PLDM_CCRC_COMP_NOT_SUPPORTED = 0x06,
292 	PLDM_CCRC_COMP_SECURITY_RESTRICTIONS = 0x07,
293 	PLDM_CCRC_INCOMPLETE_COMP_IMAGE_SET = 0x08,
294 	PLDM_CCRC_COMP_INFO_NO_MATCH = 0x09,
295 	PLDM_CCRC_COMP_VER_STR_IDENTICAL = 0x0a,
296 	PLDM_CCRC_COMP_VER_STR_LOWER = 0x0b,
297 	PLDM_CCRC_VENDOR_COMP_RESP_CODE_RANGE_MIN = 0xd0,
298 	PLDM_CCRC_VENDOR_COMP_RESP_CODE_RANGE_MAX = 0xef
299 };
300 
301 /** @brief Common error codes in TransferComplete, VerifyComplete and
302  *        ApplyComplete request
303  */
304 enum pldm_firmware_update_common_error_codes {
305 	PLDM_FWUP_TIME_OUT = 0x09,
306 	PLDM_FWUP_GENERIC_ERROR = 0x0a
307 };
308 
309 /** @brief TransferResult values in the request of TransferComplete
310  */
311 enum pldm_firmware_update_transfer_result_values {
312 	PLDM_FWUP_TRANSFER_SUCCESS = 0x00,
313 	PLDM_FWUP_TRANSFER_ERROR_IMAGE_CORRUPT = 0x02,
314 	PLDM_FWUP_TRANSFER_ERROR_VERSION_MISMATCH = 0x02,
315 	PLDM_FWUP_FD_ABORTED_TRANSFER = 0x03,
316 	PLDM_FWUP_FD_ABORTED_TRANSFER_LOW_POWER_STATE = 0x0b,
317 	PLDM_FWUP_FD_ABORTED_TRANSFER_RESET_NEEDED = 0x0c,
318 	PLDM_FWUP_FD_ABORTED_TRANSFER_STORAGE_ISSUE = 0x0d,
319 	PLDM_FWUP_VENDOR_TRANSFER_RESULT_RANGE_MIN = 0x70,
320 	PLDM_FWUP_VENDOR_TRANSFER_RESULT_RANGE_MAX = 0x8f
321 };
322 
323 /**@brief VerifyResult values in the request of VerifyComplete
324  */
325 enum pldm_firmware_update_verify_result_values {
326 	PLDM_FWUP_VERIFY_SUCCESS = 0x00,
327 	PLDM_FWUP_VERIFY_ERROR_VERIFICATION_FAILURE = 0x01,
328 	PLDM_FWUP_VERIFY_ERROR_VERSION_MISMATCH = 0x02,
329 	PLDM_FWUP_VERIFY_FAILED_FD_SECURITY_CHECKS = 0x03,
330 	PLDM_FWUP_VERIFY_ERROR_IMAGE_INCOMPLETE = 0x04,
331 	PLDM_FWUP_VENDOR_VERIFY_RESULT_RANGE_MIN = 0x90,
332 	PLDM_FWUP_VENDOR_VERIFY_RESULT_RANGE_MAX = 0xaf
333 };
334 
335 /**@brief ApplyResult values in the request of ApplyComplete
336  */
337 enum pldm_firmware_update_apply_result_values {
338 	PLDM_FWUP_APPLY_SUCCESS = 0x00,
339 	PLDM_FWUP_APPLY_SUCCESS_WITH_ACTIVATION_METHOD = 0x01,
340 	PLDM_FWUP_APPLY_FAILURE_MEMORY_ISSUE = 0x02,
341 	PLDM_FWUP_VENDOR_APPLY_RESULT_RANGE_MIN = 0xb0,
342 	PLDM_FWUP_VENDOR_APPLY_RESULT_RANGE_MAX = 0xcf
343 };
344 
345 /** @brief SelfContainedActivationRequest in the request of ActivateFirmware
346  */
347 enum pldm_self_contained_activation_req {
348 	PLDM_NOT_ACTIVATE_SELF_CONTAINED_COMPONENTS = false,
349 	PLDM_ACTIVATE_SELF_CONTAINED_COMPONENTS = true
350 };
351 
352 /** @brief Current state/previous state of the FD or FDP returned in GetStatus
353  *         response
354  */
355 enum pldm_firmware_device_states {
356 	PLDM_FD_STATE_IDLE = 0,
357 	PLDM_FD_STATE_LEARN_COMPONENTS = 1,
358 	PLDM_FD_STATE_READY_XFER = 2,
359 	PLDM_FD_STATE_DOWNLOAD = 3,
360 	PLDM_FD_STATE_VERIFY = 4,
361 	PLDM_FD_STATE_APPLY = 5,
362 	PLDM_FD_STATE_ACTIVATE = 6
363 };
364 
365 /** @brief Firmware device aux state in GetStatus response
366  */
367 enum pldm_get_status_aux_states {
368 	PLDM_FD_OPERATION_IN_PROGRESS = 0,
369 	PLDM_FD_OPERATION_SUCCESSFUL = 1,
370 	PLDM_FD_OPERATION_FAILED = 2,
371 	PLDM_FD_IDLE_LEARN_COMPONENTS_READ_XFER = 3
372 };
373 
374 /** @brief Firmware device aux state status in GetStatus response
375  */
376 enum pldm_get_status_aux_state_status_values {
377 	PLDM_FD_AUX_STATE_IN_PROGRESS_OR_SUCCESS = 0x00,
378 	PLDM_FD_TIMEOUT = 0x09,
379 	PLDM_FD_GENERIC_ERROR = 0x0a,
380 	PLDM_FD_VENDOR_DEFINED_STATUS_CODE_START = 0x70,
381 	PLDM_FD_VENDOR_DEFINED_STATUS_CODE_END = 0xef
382 };
383 
384 /** @brief Firmware device reason code in GetStatus response
385  */
386 enum pldm_get_status_reason_code_values {
387 	PLDM_FD_INITIALIZATION = 0,
388 	PLDM_FD_ACTIVATE_FW = 1,
389 	PLDM_FD_CANCEL_UPDATE = 2,
390 	PLDM_FD_TIMEOUT_LEARN_COMPONENT = 3,
391 	PLDM_FD_TIMEOUT_READY_XFER = 4,
392 	PLDM_FD_TIMEOUT_DOWNLOAD = 5,
393 	PLDM_FD_TIMEOUT_VERIFY = 6,
394 	PLDM_FD_TIMEOUT_APPLY = 7,
395 	PLDM_FD_STATUS_VENDOR_DEFINED_MIN = 200,
396 	PLDM_FD_STATUS_VENDOR_DEFINED_MAX = 255
397 };
398 
399 /** @brief Components functional indicator in CancelUpdate response
400  */
401 enum pldm_firmware_update_non_functioning_component_indication {
402 	PLDM_FWUP_COMPONENTS_FUNCTIONING = 0,
403 	PLDM_FWUP_COMPONENTS_NOT_FUNCTIONING = 1
404 };
405 
406 /** @brief Downstream device update supported in QueryDownstreamDevices response
407  *         defined in DSP0267_1.1.0
408 */
409 enum pldm_firmware_update_downstream_device_update_supported {
410 	PLDM_FWUP_DOWNSTREAM_DEVICE_UPDATE_NOT_SUPPORTED = 0,
411 	PLDM_FWUP_DOWNSTREAM_DEVICE_UPDATE_SUPPORTED = 1
412 };
413 
414 /* An arbitrary limit, for static storage */
415 #define PLDM_FIRMWARE_MAX_STRING 64
416 
417 /** @struct pldm_firmware_string
418  *
419  *  A fixed maximum length PLDM firmware string
420 */
421 struct pldm_firmware_string {
422 	enum pldm_firmware_update_string_type str_type;
423 	uint8_t str_len;
424 	uint8_t str_data[PLDM_FIRMWARE_MAX_STRING];
425 };
426 
427 /** @struct pldm_firmware_version
428  *
429  *  A PLDM component version
430 */
431 struct pldm_firmware_version {
432 	uint32_t comparison_stamp;
433 	struct pldm_firmware_string str;
434 	uint8_t date[PLDM_FWUP_COMPONENT_RELEASE_DATA_LEN];
435 };
436 
437 /** @struct pldm_package_header_information
438  *
439  *  Structure representing fixed part of package header information
440  */
441 struct pldm_package_header_information {
442 	uint8_t uuid[PLDM_FWUP_UUID_LENGTH];
443 	uint8_t package_header_format_version;
444 	uint16_t package_header_size;
445 	uint8_t package_release_date_time[PLDM_TIMESTAMP104_SIZE];
446 	uint16_t component_bitmap_bit_length;
447 	uint8_t package_version_string_type;
448 	uint8_t package_version_string_length;
449 } __attribute__((packed));
450 
451 /** @struct pldm_firmware_device_id_record
452  *
453  *  Structure representing firmware device ID record
454  */
455 struct pldm_firmware_device_id_record {
456 	uint16_t record_length;
457 	uint8_t descriptor_count;
458 	bitfield32_t device_update_option_flags;
459 	uint8_t comp_image_set_version_string_type;
460 	uint8_t comp_image_set_version_string_length;
461 	uint16_t fw_device_pkg_data_length;
462 } __attribute__((packed));
463 
464 /** @struct pldm_descriptor_tlv
465  *
466  *  Structure representing descriptor type, length and value
467  */
468 struct pldm_descriptor_tlv {
469 	uint16_t descriptor_type;
470 	uint16_t descriptor_length;
471 	uint8_t descriptor_data[1];
472 } __attribute__((packed));
473 
474 /** @struct pldm_vendor_defined_descriptor_title_data
475  *
476  *  Structure representing vendor defined descriptor title sections
477  */
478 struct pldm_vendor_defined_descriptor_title_data {
479 	uint8_t vendor_defined_descriptor_title_str_type;
480 	uint8_t vendor_defined_descriptor_title_str_len;
481 	uint8_t vendor_defined_descriptor_title_str[1];
482 } __attribute__((packed));
483 
484 /** @struct pldm_component_image_information
485  *
486  *  Structure representing fixed part of individual component information in
487  *  PLDM firmware update package
488  */
489 struct pldm_component_image_information {
490 	uint16_t comp_classification;
491 	uint16_t comp_identifier;
492 	uint32_t comp_comparison_stamp;
493 	bitfield16_t comp_options;
494 	bitfield16_t requested_comp_activation_method;
495 	uint32_t comp_location_offset;
496 	uint32_t comp_size;
497 	uint8_t comp_version_string_type;
498 	uint8_t comp_version_string_length;
499 } __attribute__((packed));
500 
501 /** @struct pldm_query_device_identifiers_resp
502  *
503  *  Structure representing query device identifiers response.
504  */
505 struct pldm_query_device_identifiers_resp {
506 	uint8_t completion_code;
507 	uint32_t device_identifiers_len;
508 	uint8_t descriptor_count;
509 } __attribute__((packed));
510 
511 /** @struct pldm_get_firmware_parameters_resp
512  *
513  *  Structure representing the fixed part of GetFirmwareParameters response
514  */
515 struct pldm_get_firmware_parameters_resp {
516 	uint8_t completion_code;
517 	bitfield32_t capabilities_during_update;
518 	uint16_t comp_count;
519 	uint8_t active_comp_image_set_ver_str_type;
520 	uint8_t active_comp_image_set_ver_str_len;
521 	uint8_t pending_comp_image_set_ver_str_type;
522 	uint8_t pending_comp_image_set_ver_str_len;
523 } __attribute__((packed));
524 
525 /** @struct pldm_get_firmware_parameters_resp_full
526  *
527  *  Structure representing a full GetFirmwareParameters response
528  */
529 struct pldm_get_firmware_parameters_resp_full {
530 	uint8_t completion_code;
531 	bitfield32_t capabilities_during_update;
532 	uint16_t comp_count;
533 	struct pldm_firmware_string active_comp_image_set_ver_str;
534 	struct pldm_firmware_string pending_comp_image_set_ver_str;
535 };
536 
537 /** @struct pldm_query_downstream_devices_resp
538  *
539  *  Structure representing response of QueryDownstreamDevices.
540  *  The definition can be found Table 15 - QueryDownstreamDevices command format
541  *  in DSP0267_1.1.0
542  */
543 struct pldm_query_downstream_devices_resp {
544 	uint8_t completion_code;
545 	uint8_t downstream_device_update_supported;
546 	uint16_t number_of_downstream_devices;
547 	uint16_t max_number_of_downstream_devices;
548 	bitfield32_t capabilities;
549 };
550 
551 /** @struct pldm_component_parameter_entry
552  *
553  *  Structure representing component parameter table entry, as wire format.
554  */
555 struct pldm_component_parameter_entry {
556 	uint16_t comp_classification;
557 	uint16_t comp_identifier;
558 	uint8_t comp_classification_index;
559 	uint32_t active_comp_comparison_stamp;
560 	uint8_t active_comp_ver_str_type;
561 	uint8_t active_comp_ver_str_len;
562 	uint8_t active_comp_release_date[8];
563 	uint32_t pending_comp_comparison_stamp;
564 	uint8_t pending_comp_ver_str_type;
565 	uint8_t pending_comp_ver_str_len;
566 	uint8_t pending_comp_release_date[8];
567 	bitfield16_t comp_activation_methods;
568 	bitfield32_t capabilities_during_update;
569 } __attribute__((packed));
570 
571 /** @struct pldm_component_parameter_entry_full
572  *
573  *  Structure representing component parameter table entry.
574  *  This is non-packed (contrast with struct pldm_component_parameter_entry),
575  *  with version strings included.
576  */
577 struct pldm_component_parameter_entry_full {
578 	uint16_t comp_classification;
579 	uint16_t comp_identifier;
580 	uint8_t comp_classification_index;
581 
582 	struct pldm_firmware_version active_ver;
583 	struct pldm_firmware_version pending_ver;
584 
585 	bitfield16_t comp_activation_methods;
586 	bitfield32_t capabilities_during_update;
587 };
588 
589 /** @struct pldm_query_downstream_identifiers_req
590  *
591  *  Structure for QueryDownstreamIdentifiers request defined in Table 16 -
592  *  QueryDownstreamIdentifiers command format in DSP0267_1.1.0
593  */
594 struct pldm_query_downstream_identifiers_req {
595 	uint32_t data_transfer_handle;
596 	uint8_t transfer_operation_flag;
597 };
598 
599 /** @struct pldm_query_downstream_identifiers_resp
600  *
601  *  Structure representing the fixed part of QueryDownstreamIdentifiers response
602  *  defined in Table 16 - QueryDownstreamIdentifiers command format, and
603  *  Table 17 - QueryDownstreamIdentifiers response definition in DSP0267_1.1.0.
604  *
605  *  Squash the two tables into one since the definition of
606  *  Table 17 is `Portion of QueryDownstreamIdentifiers response`
607  */
608 struct pldm_query_downstream_identifiers_resp {
609 	uint8_t completion_code;
610 	uint32_t next_data_transfer_handle;
611 	uint8_t transfer_flag;
612 	uint32_t downstream_devices_length;
613 	uint16_t number_of_downstream_devices;
614 };
615 
616 /** @struct pldm_downstream_device
617  *
618  *  Structure representing downstream device information defined in
619  *  Table 18 - DownstreamDevice definition in DSP0267_1.1.0
620  */
621 struct pldm_downstream_device {
622 	uint16_t downstream_device_index;
623 	uint8_t downstream_descriptor_count;
624 };
625 #define PLDM_DOWNSTREAM_DEVICE_BYTES 3
626 
627 struct pldm_downstream_device_iter {
628 	struct variable_field field;
629 	size_t devs;
630 };
631 
632 LIBPLDM_ITERATOR
pldm_downstream_device_iter_end(const struct pldm_downstream_device_iter * iter)633 bool pldm_downstream_device_iter_end(
634 	const struct pldm_downstream_device_iter *iter)
635 {
636 	return !iter->devs;
637 }
638 
639 LIBPLDM_ITERATOR
pldm_downstream_device_iter_next(struct pldm_downstream_device_iter * iter)640 bool pldm_downstream_device_iter_next(struct pldm_downstream_device_iter *iter)
641 {
642 	if (!iter->devs) {
643 		return false;
644 	}
645 
646 	iter->devs--;
647 	return true;
648 }
649 
650 int decode_pldm_downstream_device_from_iter(
651 	struct pldm_downstream_device_iter *iter,
652 	struct pldm_downstream_device *dev);
653 
654 /** @brief Iterate downstream devices in QueryDownstreamIdentifiers response
655  *
656  * @param devs The @ref "struct pldm_downstream_device_iter" lvalue used as the
657  *                  out-value from the corresponding call to @ref
658  *                  decode_query_downstream_identifiers_resp
659  * @param dev The @ref "struct pldm_downstream_device" lvalue into which the
660  *            next device instance should be decoded.
661  * @param rc An lvalue of type int into which the return code from the decoding
662  *           will be placed.
663  *
664  * Example use of the macro is as follows:
665  *
666  * @code
667  * struct pldm_query_downstream_identifiers_resp resp;
668  * struct pldm_downstream_device_iter devs;
669  * struct pldm_downstream_device dev;
670  * int rc;
671  *
672  * rc = decode_query_downstream_identifiers_resp(..., &resp, &devs);
673  * if (rc) {
674  *     // Handle any error from decoding fixed-portion of response
675  * }
676  *
677  * foreach_pldm_downstream_device(devs, dev, rc) {
678  *     // Do something with each decoded device placed in `dev`
679  * }
680  *
681  * if (rc) {
682  *     // Handle any decoding error while iterating variable-length set of
683  *     // devices
684  * }
685  * @endcode
686  */
687 #define foreach_pldm_downstream_device(devs, dev, rc)                          \
688 	for ((rc) = 0; (!pldm_downstream_device_iter_end(&(devs)) &&           \
689 			!((rc) = decode_pldm_downstream_device_from_iter(      \
690 				  &(devs), &(dev))));                          \
691 	     pldm_downstream_device_iter_next(&(devs)))
692 
693 /** @struct pldm_descriptor
694  *
695  * Structure representing a type-length-value descriptor as defined in Table 7 -
696  * Descriptor Definition.
697  *
698  * Member values are always host-endian. When decoding messages, the
699  * descriptor_data member points into the message buffer.
700  */
701 struct pldm_descriptor {
702 	uint16_t descriptor_type;
703 	uint16_t descriptor_length;
704 	const void *descriptor_data;
705 };
706 
707 struct pldm_descriptor_iter {
708 	struct variable_field *field;
709 	size_t count;
710 };
711 
712 LIBPLDM_ITERATOR
pldm_downstream_device_descriptor_iter_init(struct pldm_downstream_device_iter * devs,const struct pldm_downstream_device * dev)713 struct pldm_descriptor_iter pldm_downstream_device_descriptor_iter_init(
714 	struct pldm_downstream_device_iter *devs,
715 	const struct pldm_downstream_device *dev)
716 {
717 	struct pldm_descriptor_iter iter = { &devs->field,
718 					     dev->downstream_descriptor_count };
719 	return iter;
720 }
721 
722 LIBPLDM_ITERATOR
pldm_descriptor_iter_end(const struct pldm_descriptor_iter * iter)723 bool pldm_descriptor_iter_end(const struct pldm_descriptor_iter *iter)
724 {
725 	return !iter->count;
726 }
727 
728 LIBPLDM_ITERATOR
pldm_descriptor_iter_next(struct pldm_descriptor_iter * iter)729 bool pldm_descriptor_iter_next(struct pldm_descriptor_iter *iter)
730 {
731 	if (!iter->count) {
732 		return false;
733 	}
734 
735 	iter->count--;
736 	return true;
737 }
738 
739 int decode_pldm_descriptor_from_iter(struct pldm_descriptor_iter *iter,
740 				     struct pldm_descriptor *desc);
741 
742 /** @brief Iterate a downstream device's descriptors in a
743  *         QueryDownstreamIdentifiers response
744  *
745  * @param devs The @ref "struct pldm_downstream_device_iter" lvalue used as the
746  *                  out-value from the corresponding call to @ref
747  *                  decode_query_downstream_identifiers_resp
748  * @param dev The @ref "struct pldm_downstream_device" lvalue over whose
749  *            descriptors to iterate
750  * @param desc The @ref "struct pldm_descriptor" lvalue into which the next
751  *             descriptor instance should be decoded
752  * @param rc An lvalue of type int into which the return code from the decoding
753  *           will be placed
754  *
755  * Example use of the macro is as follows:
756  *
757  * @code
758  * struct pldm_query_downstream_identifiers_resp resp;
759  * struct pldm_downstream_device_iter devs;
760  * struct pldm_downstream_device dev;
761  * int rc;
762  *
763  * rc = decode_query_downstream_identifiers_resp(..., &resp, &devs);
764  * if (rc) {
765  *     // Handle any error from decoding fixed-portion of response
766  * }
767  *
768  * foreach_pldm_downstream_device(devs, dev, rc) {
769  *     struct pldm_descriptor desc;
770  *
771  *     foreach_pldm_downstream_device_descriptor(devs, dev, desc, rc) {
772  *         // Do something with each decoded descriptor placed in `desc`
773  *     }
774  *
775  *     if (rc) {
776  *         // Handle any decoding error while iterating on the variable-length
777  *         // set of descriptors
778  *     }
779  * }
780  *
781  * if (rc) {
782  *     // Handle any decoding error while iterating variable-length set of
783  *     // devices
784  * }
785  * @endcode
786  */
787 #define foreach_pldm_downstream_device_descriptor(devs, dev, desc, rc)         \
788 	for (struct pldm_descriptor_iter desc##_iter =                         \
789 		     ((rc) = 0, pldm_downstream_device_descriptor_iter_init(   \
790 					&(devs), &(dev)));                     \
791 	     (!pldm_descriptor_iter_end(&(desc##_iter)) &&                     \
792 	      !((rc) = decode_pldm_descriptor_from_iter(&(desc##_iter),        \
793 							&(desc))));            \
794 	     pldm_descriptor_iter_next(&(desc##_iter)))
795 
796 /** @struct pldm_query_downstream_firmware_param_req
797  *
798  *  Structure representing QueryDownstreamFirmwareParameters request
799  */
800 struct pldm_get_downstream_firmware_parameters_req {
801 	uint32_t data_transfer_handle;
802 	uint8_t transfer_operation_flag;
803 };
804 
805 /** @struct pldm_get_downstream_firmware_parameters_resp
806  *
807  *  Structure representing the fixed part of QueryDownstreamFirmwareParameters
808  *  response in Table 19 - GetDownstreamFirmwareParameters command format, and
809  *  Table 20 - QueryDownstreamFirmwareParameters response definition in
810  *  DSP0267_1.1.0.
811  *
812  *  Squash the two tables into one since the definition of Table 20 is `Portion
813  *  of GetDownstreamFirmwareParameters response`
814  */
815 struct pldm_get_downstream_firmware_parameters_resp {
816 	uint8_t completion_code;
817 	uint32_t next_data_transfer_handle;
818 	uint8_t transfer_flag;
819 	bitfield32_t fdp_capabilities_during_update;
820 	uint16_t downstream_device_count;
821 };
822 
823 /** @struct pldm_downstream_device_parameters_entry
824  *
825  *  Structure representing downstream device parameter table entry defined in
826  *  Table 21 - DownstreamDeviceParameterTable in DSP0267_1.1.0
827  *
828  *  Clients should not allocate memory for this struct to decode the response,
829  *  use `pldm_downstream_device_parameter_entry_versions` instead to make sure
830  *  that the active and pending component version strings are copied from the
831  *  message buffer.
832  */
833 struct pldm_downstream_device_parameters_entry {
834 	uint16_t downstream_device_index;
835 	uint32_t active_comp_comparison_stamp;
836 	uint8_t active_comp_ver_str_type;
837 	uint8_t active_comp_ver_str_len;
838 	/* Append 1 bytes for null termination so that it can be used as a
839 	 * Null-terminated string.
840 	 */
841 	char active_comp_release_date[PLDM_FWUP_COMPONENT_RELEASE_DATA_LEN + 1];
842 	uint32_t pending_comp_comparison_stamp;
843 	uint8_t pending_comp_ver_str_type;
844 	uint8_t pending_comp_ver_str_len;
845 	/* Append 1 bytes for null termination so that it can be used as a
846 	 * Null-terminated string.
847 	 */
848 	char pending_comp_release_date[PLDM_FWUP_COMPONENT_RELEASE_DATA_LEN + 1];
849 	bitfield16_t comp_activation_methods;
850 	bitfield32_t capabilities_during_update;
851 	const void *active_comp_ver_str;
852 	const void *pending_comp_ver_str;
853 };
854 
855 /** @struct pldm_request_update_req
856  *
857  *  Structure representing fixed part of Request Update request, as wire format.
858  */
859 struct pldm_request_update_req {
860 	uint32_t max_transfer_size;
861 	uint16_t num_of_comp;
862 	uint8_t max_outstanding_transfer_req;
863 	uint16_t pkg_data_len;
864 	uint8_t comp_image_set_ver_str_type;
865 	uint8_t comp_image_set_ver_str_len;
866 } __attribute__((packed));
867 
868 /** @struct pldm_request_update_req_full
869  *
870  *  Structure representing fixed part of Request Update request, including
871  *  version string. This is unpacked (contrast to struct pldm_request_update_req).
872  */
873 struct pldm_request_update_req_full {
874 	uint32_t max_transfer_size;
875 	uint16_t num_of_comp;
876 	uint8_t max_outstanding_transfer_req;
877 	uint16_t pkg_data_len;
878 
879 	struct pldm_firmware_string image_set_ver;
880 };
881 
882 /** @struct pldm_request_update_resp
883  *
884  *  Structure representing Request Update response
885  */
886 struct pldm_request_update_resp {
887 	uint8_t completion_code;
888 	uint16_t fd_meta_data_len;
889 	uint8_t fd_will_send_pkg_data;
890 } __attribute__((packed));
891 
892 /** @struct pldm_pass_component_table_req
893  *
894  *  Structure representing PassComponentTable request, wire format.
895  *  Version string data is not included.
896  *  Prefer pldm_pass_component_table_req_full for new uses.
897  */
898 struct pldm_pass_component_table_req {
899 	uint8_t transfer_flag;
900 	uint16_t comp_classification;
901 	uint16_t comp_identifier;
902 	uint8_t comp_classification_index;
903 	uint32_t comp_comparison_stamp;
904 	uint8_t comp_ver_str_type;
905 	uint8_t comp_ver_str_len;
906 } __attribute__((packed));
907 
908 /** @struct pldm_pass_component_table_req_full
909  *
910  *  Structure representing PassComponentTable request, including
911  *  version string storage.
912  */
913 struct pldm_pass_component_table_req_full {
914 	uint8_t transfer_flag;
915 	uint16_t comp_classification;
916 	uint16_t comp_identifier;
917 	uint8_t comp_classification_index;
918 	uint32_t comp_comparison_stamp;
919 	struct pldm_firmware_string version;
920 };
921 
922 /** @struct pldm_pass_component_table_resp
923  *
924  *  Structure representing PassComponentTable response
925  */
926 struct pldm_pass_component_table_resp {
927 	uint8_t completion_code;
928 	uint8_t comp_resp;
929 	uint8_t comp_resp_code;
930 } __attribute__((packed));
931 
932 /** @struct pldm_update_component_req
933  *
934  *  Structure representing UpdateComponent request, wire format.
935  *  Version string data is not included.
936  *  Prefer pldm_update_component_req_full for new uses.
937  */
938 struct pldm_update_component_req {
939 	uint16_t comp_classification;
940 	uint16_t comp_identifier;
941 	uint8_t comp_classification_index;
942 	uint32_t comp_comparison_stamp;
943 	uint32_t comp_image_size;
944 	bitfield32_t update_option_flags;
945 	uint8_t comp_ver_str_type;
946 	uint8_t comp_ver_str_len;
947 } __attribute__((packed));
948 
949 /** @struct pldm_update_component_req_full
950  *
951  *  Structure representing UpdateComponent request, including
952  *  version string storage.
953  */
954 struct pldm_update_component_req_full {
955 	uint16_t comp_classification;
956 	uint16_t comp_identifier;
957 	uint8_t comp_classification_index;
958 
959 	uint32_t comp_comparison_stamp;
960 	struct pldm_firmware_string version;
961 
962 	uint32_t comp_image_size;
963 	bitfield32_t update_option_flags;
964 };
965 
966 /** @struct pldm_update_component_resp
967  *
968  *  Structure representing UpdateComponent response
969  */
970 struct pldm_update_component_resp {
971 	uint8_t completion_code;
972 	uint8_t comp_compatibility_resp;
973 	uint8_t comp_compatibility_resp_code;
974 	bitfield32_t update_option_flags_enabled;
975 	uint16_t time_before_req_fw_data;
976 } __attribute__((packed));
977 
978 /** @struct pldm_request_firmware_data_req
979  *
980  *  Structure representing RequestFirmwareData request.
981  */
982 struct pldm_request_firmware_data_req {
983 	uint32_t offset;
984 	uint32_t length;
985 } __attribute__((packed));
986 
987 /** @struct pldm_apply_complete_req
988  *
989  *  Structure representing ApplyComplete request.
990  */
991 struct pldm_apply_complete_req {
992 	uint8_t apply_result;
993 	bitfield16_t comp_activation_methods_modification;
994 } __attribute__((packed));
995 
996 /** @struct pldm_activate_firmware_req
997  *
998  *  Structure representing ActivateFirmware request
999  */
1000 struct pldm_activate_firmware_req {
1001 	bool8_t self_contained_activation_req;
1002 } __attribute__((packed));
1003 
1004 /** @struct activate_firmware_resp
1005  *
1006  *  Structure representing Activate Firmware response
1007  */
1008 struct pldm_activate_firmware_resp {
1009 	uint8_t completion_code;
1010 	uint16_t estimated_time_activation;
1011 } __attribute__((packed));
1012 
1013 /** @struct pldm_get_status_resp
1014  *
1015  *  Structure representing GetStatus response.
1016  */
1017 struct pldm_get_status_resp {
1018 	uint8_t completion_code;
1019 	uint8_t current_state;
1020 	uint8_t previous_state;
1021 	uint8_t aux_state;
1022 	uint8_t aux_state_status;
1023 	uint8_t progress_percent;
1024 	uint8_t reason_code;
1025 	bitfield32_t update_option_flags_enabled;
1026 } __attribute__((packed));
1027 
1028 /** @struct pldm_cancel_update_resp
1029  *
1030  *  Structure representing CancelUpdate response.
1031  */
1032 struct pldm_cancel_update_resp {
1033 	uint8_t completion_code;
1034 	bool8_t non_functioning_component_indication;
1035 	uint64_t non_functioning_component_bitmap;
1036 } __attribute__((packed));
1037 
1038 /** @brief Decode the PLDM package header information
1039  *
1040  *  @param[in] data - pointer to package header information
1041  *  @param[in] length - available length in the firmware update package
1042  *  @param[out] package_header_info - pointer to fixed part of PLDM package
1043  *                                    header information
1044  *  @param[out] package_version_str - pointer to package version string
1045  *
1046  *  @return pldm_completion_codes
1047  */
1048 int decode_pldm_package_header_info(
1049 	const uint8_t *data, size_t length,
1050 	struct pldm_package_header_information *package_header_info,
1051 	struct variable_field *package_version_str);
1052 
1053 /** @brief Decode individual firmware device ID record
1054  *
1055  *  @param[in] data - pointer to firmware device ID record
1056  *  @param[in] length - available length in the firmware update package
1057  *  @param[in] component_bitmap_bit_length - ComponentBitmapBitLengthfield
1058  *                                           parsed from the package header info
1059  *  @param[out] fw_device_id_record - pointer to fixed part of firmware device
1060  *                                    id record
1061  *  @param[out] applicable_components - pointer to ApplicableComponents
1062  *  @param[out] comp_image_set_version_str - pointer to
1063  *                                           ComponentImageSetVersionString
1064  *  @param[out] record_descriptors - pointer to RecordDescriptors
1065  *  @param[out] fw_device_pkg_data - pointer to FirmwareDevicePackageData
1066  *
1067  *  @return pldm_completion_codes
1068  */
1069 int decode_firmware_device_id_record(
1070 	const uint8_t *data, size_t length,
1071 	uint16_t component_bitmap_bit_length,
1072 	struct pldm_firmware_device_id_record *fw_device_id_record,
1073 	struct variable_field *applicable_components,
1074 	struct variable_field *comp_image_set_version_str,
1075 	struct variable_field *record_descriptors,
1076 	struct variable_field *fw_device_pkg_data);
1077 
1078 /** @brief Decode the record descriptor entries in the firmware update package
1079  *         and the Descriptors in the QueryDeviceIDentifiers command
1080  *
1081  *  @param[in] data - pointer to descriptor entry
1082  *  @param[in] length - remaining length of the descriptor data
1083  *  @param[out] descriptor_type - pointer to descriptor type
1084  *  @param[out] descriptor_data - pointer to descriptor data
1085  *
1086  *  @return pldm_completion_codes
1087  */
1088 int decode_descriptor_type_length_value(const uint8_t *data, size_t length,
1089 					uint16_t *descriptor_type,
1090 					struct variable_field *descriptor_data);
1091 
1092 /** @brief Decode the vendor defined descriptor value
1093  *
1094  *  @param[in] data - pointer to vendor defined descriptor value
1095  *  @param[in] length - length of the vendor defined descriptor value
1096  *  @param[out] descriptor_title_str_type - pointer to vendor defined descriptor
1097  *                                          title string type
1098  *  @param[out] descriptor_title_str - pointer to vendor defined descriptor
1099  *                                     title string
1100  *  @param[out] descriptor_data - pointer to vendor defined descriptor data
1101  *
1102  *  @return pldm_completion_codes
1103  */
1104 int decode_vendor_defined_descriptor_value(
1105 	const uint8_t *data, size_t length, uint8_t *descriptor_title_str_type,
1106 	struct variable_field *descriptor_title_str,
1107 	struct variable_field *descriptor_data);
1108 
1109 /** @brief Decode individual component image information
1110  *
1111  *  @param[in] data - pointer to component image information
1112  *  @param[in] length - available length in the firmware update package
1113  *  @param[out] pldm_comp_image_info - pointer to fixed part of component image
1114  *                                     information
1115  *  @param[out] comp_version_str - pointer to component version string
1116  *
1117  *  @return pldm_completion_codes
1118  */
1119 int decode_pldm_comp_image_info(
1120 	const uint8_t *data, size_t length,
1121 	struct pldm_component_image_information *pldm_comp_image_info,
1122 	struct variable_field *comp_version_str);
1123 
1124 /** @brief Create a PLDM request message for QueryDeviceIdentifiers
1125  *
1126  *  @param[in] instance_id - Message's instance id
1127  *  @param[in] payload_length - Length of the request message payload
1128  *  @param[in,out] msg - Message will be written to this
1129  *
1130  *  @return pldm_completion_codes
1131  *
1132  *  @note  Caller is responsible for memory alloc and dealloc of param
1133  *         'msg.payload'
1134  */
1135 int encode_query_device_identifiers_req(uint8_t instance_id,
1136 					size_t payload_length,
1137 					struct pldm_msg *msg);
1138 
1139 /** @brief Create a PLDM response message for QueryDeviceIdentifiers
1140  *
1141  *  @param[in] instance_id - Message's instance id
1142  *  @param[in] descriptor_count - Number of descriptors
1143  *  @param[in] descriptor - Array of descriptors
1144  *  @param[in,out] msg - Message will be written to this
1145  *  @param[in,out] payload_length - Size of the response message payload, updated
1146  *				    with used length.
1147  *
1148  *  @return 0 on success, a negative errno value on failure.
1149  *
1150  *  @note  Caller is responsible for memory alloc and dealloc of param
1151  *         'msg.payload'
1152  */
1153 int encode_query_device_identifiers_resp(
1154 	uint8_t instance_id, uint8_t descriptor_count,
1155 	const struct pldm_descriptor *descriptors, struct pldm_msg *msg,
1156 	size_t *payload_length);
1157 
1158 /** @brief Decode QueryDeviceIdentifiers response message
1159  *
1160  *  @param[in] msg - Response message
1161  *  @param[in] payload_length - Length of response message payload
1162  *  @param[out] completion_code - Pointer to response msg's PLDM completion code
1163  *  @param[out] device_identifiers_len - Pointer to device identifiers length
1164  *  @param[out] descriptor_count - Pointer to descriptor count
1165  *  @param[out] descriptor_data - Pointer to descriptor data
1166  *
1167  *  @return pldm_completion_codes
1168  */
1169 int decode_query_device_identifiers_resp(const struct pldm_msg *msg,
1170 					 size_t payload_length,
1171 					 uint8_t *completion_code,
1172 					 uint32_t *device_identifiers_len,
1173 					 uint8_t *descriptor_count,
1174 					 uint8_t **descriptor_data);
1175 
1176 /** @brief Create a PLDM request message for GetFirmwareParameters
1177  *
1178  *  @param[in] instance_id - Message's instance id
1179  *  @param[in] payload_length - Length of the request message payload
1180  *  @param[in,out] msg - Message will be written to this
1181  *
1182  *  @return pldm_completion_codes
1183  *
1184  *  @note  Caller is responsible for memory alloc and dealloc of param
1185  *         'msg.payload'
1186  */
1187 int encode_get_firmware_parameters_req(uint8_t instance_id,
1188 				       size_t payload_length,
1189 				       struct pldm_msg *msg);
1190 
1191 /** @brief Decode GetFirmwareParameters response
1192  *
1193  *  @param[in] msg - Response message
1194  *  @param[in] payload_length - Length of response message payload
1195  *  @param[out] resp_data - Pointer to get firmware parameters response
1196  *  @param[out] active_comp_image_set_ver_str - Pointer to active component
1197  *                                              image set version string
1198  *  @param[out] pending_comp_image_set_ver_str - Pointer to pending component
1199  *                                               image set version string
1200  *  @param[out] comp_parameter_table - Pointer to component parameter table
1201  *
1202  *  @return pldm_completion_codes
1203  */
1204 int decode_get_firmware_parameters_resp(
1205 	const struct pldm_msg *msg, size_t payload_length,
1206 	struct pldm_get_firmware_parameters_resp *resp_data,
1207 	struct variable_field *active_comp_image_set_ver_str,
1208 	struct variable_field *pending_comp_image_set_ver_str,
1209 	struct variable_field *comp_parameter_table);
1210 
1211 /** @brief Decode component entries in the component parameter table which is
1212  *         part of the response of GetFirmwareParameters command
1213  *
1214  *  @param[in] data - Component entry
1215  *  @param[in] length - Length of component entry
1216  *  @param[out] component_data - Pointer to component parameter table
1217  *  @param[out] active_comp_ver_str - Pointer to active component version string
1218  *  @param[out] pending_comp_ver_str - Pointer to pending component version
1219  *                                     string
1220  *
1221  *  @return pldm_completion_codes
1222  */
1223 int decode_get_firmware_parameters_resp_comp_entry(
1224 	const uint8_t *data, size_t length,
1225 	struct pldm_component_parameter_entry *component_data,
1226 	struct variable_field *active_comp_ver_str,
1227 	struct variable_field *pending_comp_ver_str);
1228 
1229 /** @brief Encode a GetFirmwareParameters response
1230  *
1231  *  @param[in] instance_id - Message's instance id
1232  *  @param[in] resp_data - Parameter data
1233  *  @param[in,out] msg - Message will be written to this
1234  *  @param[in,out] payload_length - Size of the response message payload, updated
1235  *				    with used length.
1236  *
1237  *  @return 0 on success, a negative errno value on failure.
1238  */
1239 int encode_get_firmware_parameters_resp(
1240 	uint8_t instance_id,
1241 	const struct pldm_get_firmware_parameters_resp_full *resp_data,
1242 	struct pldm_msg *msg, size_t *payload_length);
1243 
1244 /** @brief Encode a ComponentParameterTable entry
1245  *
1246  *  @param[in] comp - Component entry
1247  *  @param[in,out] payload - Message will be written to this
1248  *  @param[in,out] payload_length - Size of payload, updated
1249  *				    with used length.
1250  *
1251  *  @return 0 on success, a negative errno value on failure.
1252  */
1253 int encode_get_firmware_parameters_resp_comp_entry(
1254 	const struct pldm_component_parameter_entry_full *comp,
1255 	uint8_t *payload, size_t *payload_length);
1256 
1257 /** @brief Create a PLDM request message for QueryDownstreamDevices
1258  *
1259  *  @param[in] instance_id - Message's instance id
1260  *  @param[out] msg - Message will be written to this
1261  *
1262  *  @return 0 on success, otherwise -EINVAL if the input parameters' memory
1263  *          are not allocated, -EOVERFLOW if the payload length is not enough
1264  *          to encode the message, -EBADMSG if the message is not valid.
1265  *
1266  *  @note  Caller is responsible for memory alloc and dealloc of param
1267  *         'msg.payload'
1268  */
1269 int encode_query_downstream_devices_req(uint8_t instance_id,
1270 					struct pldm_msg *msg);
1271 
1272 /**
1273  * @brief Decodes the response message for Querying Downstream Devices.
1274  *
1275  * @param[in] msg The PLDM message to decode.
1276  * @param[in] payload_length The length of the message payload.
1277  * @param[out] resp_data Pointer to the structure to store the decoded response data.
1278  * @return 0 on success, otherwise -EINVAL if the input parameters' memory
1279  *         are not allocated, -EOVERFLOW if the payload length is not enough
1280  *         to decode the message, -EBADMSG if the message is not valid.
1281  *
1282  * @note  Caller is responsible for memory alloc and dealloc of param
1283  *         'msg.payload'
1284  */
1285 int decode_query_downstream_devices_resp(
1286 	const struct pldm_msg *msg, size_t payload_length,
1287 	struct pldm_query_downstream_devices_resp *resp_data);
1288 
1289 /**
1290  * @brief Encodes a request message for Query Downstream Identifiers.
1291  *
1292  * @param[in] instance_id The instance ID of the PLDM entity.
1293  * @param[in] data_transfer_handle The handle for the data transfer.
1294  * @param[in] transfer_operation_flag The flag indicating the transfer operation.
1295  * @param[out] msg Pointer to the PLDM message structure to store the encoded message.
1296  * @param[in] payload_length The length of the payload.
1297  * @return 0 on success, otherwise -EINVAL if the input parameters' memory
1298  *         are not allocated, -EOVERFLOW if the payload length is not enough
1299  *         to encode the message, -EBADMSG if the message is not valid.
1300  *
1301  * @note Caller is responsible for memory alloc and dealloc of param
1302  *        'msg.payload'
1303  */
1304 int encode_query_downstream_identifiers_req(
1305 	uint8_t instance_id,
1306 	const struct pldm_query_downstream_identifiers_req *params_req,
1307 	struct pldm_msg *msg, size_t payload_length);
1308 
1309 /**
1310  * @brief Decodes the response message for Querying Downstream Identifiers.
1311  * @param[in] msg The PLDM message to decode.
1312  * @param[in] payload_length The length of the message payload.
1313  * @param[out] resp_data Pointer to the decoded response data.
1314  * @param[out] iter Pointer to the downstream device iterator structure.
1315  * @return 0 on success, otherwise -EINVAL if the input parameters' memory
1316  *         are not allocated, -EOVERFLOW if the payload length is not enough
1317  *         to decode the message, -EBADMSG if the message is not valid.
1318  *
1319  * @note Caller is responsible for memory alloc and dealloc of pointer params
1320  */
1321 int decode_query_downstream_identifiers_resp(
1322 	const struct pldm_msg *msg, size_t payload_length,
1323 	struct pldm_query_downstream_identifiers_resp *resp_data,
1324 	struct pldm_downstream_device_iter *iter);
1325 
1326 /**
1327  * @brief Encodes request message for Get Downstream Firmware Parameters.
1328  *
1329  * @param[in] instance_id - The instance ID of the PLDM entity.
1330  * @param[in] data_transfer_handle - The handle for the data transfer.
1331  * @param[in] transfer_operation_flag - The flag indicating the transfer operation.
1332  * @param[in,out] msg - A pointer to the PLDM message structure to store the encoded message.
1333  * @param[in] payload_length - The length of the payload.
1334  *
1335  * @return 0 on success, otherwise -EINVAL if the input parameters' memory
1336  *         are not allocated, -EOVERFLOW if the payload length is not enough
1337  *         to encode the message, -EBADMSG if the message is not valid.
1338  *
1339  * @note Caller is responsible for memory alloc and dealloc of param
1340  *        'msg.payload'
1341  */
1342 int encode_get_downstream_firmware_parameters_req(
1343 	uint8_t instance_id,
1344 	const struct pldm_get_downstream_firmware_parameters_req *params_req,
1345 	struct pldm_msg *msg, size_t payload_length);
1346 
1347 struct pldm_downstream_device_parameters_iter {
1348 	struct variable_field field;
1349 	size_t entries;
1350 };
1351 
1352 /**
1353  * @brief Decode response message for Get Downstream Firmware Parameters
1354  *
1355  * @param[in] msg - The PLDM message to decode
1356  * @param[in] payload_length - The length of the message payload
1357  * @param[out] resp_data - Pointer to the structure to store the decoded response data
1358  * @param[out] downstream_device_param_table - Pointer to the variable field structure
1359  *                                           to store the decoded downstream device
1360  *                                           parameter table
1361  * @return 0 on success, otherwise -EINVAL if the input parameters' memory
1362  *         are not allocated, -EOVERFLOW if the payload length is not enough
1363  *         to decode the message, -EBADMSG if the message is not valid.
1364  *
1365  * @note Caller is responsible for memory alloc and dealloc of param
1366  *        'resp_data' and 'downstream_device_param_table'
1367  */
1368 int decode_get_downstream_firmware_parameters_resp(
1369 	const struct pldm_msg *msg, size_t payload_length,
1370 	struct pldm_get_downstream_firmware_parameters_resp *resp_data,
1371 	struct pldm_downstream_device_parameters_iter *iter);
1372 
1373 /**
1374  * @brief Decode the next downstream device parameter table entry
1375  *
1376  * @param[in,out] data - A variable field covering the table entries in the
1377  *                       response message data. @p data is updated to point to
1378  *                       the remaining entries once the current entry has been
1379  *                       decoded.
1380 
1381  * @param[out] entry - The struct object into which the current table entry will
1382  *                     be decoded
1383 
1384  * @param[out] versions - A variable field covering the active and
1385  *                        pending component version strings in the
1386  *                        response message data. The component version
1387  *                        strings can be decoded into @p entry using
1388  *                        decode_downstream_device_parameter_table_entry_versions()
1389  *
1390  * @return 0 on success, otherwise -EINVAL if the input parameters' memory
1391  *         are not allocated, -EOVERFLOW if the payload length is not enough
1392  *         to decode the entry.
1393  *
1394  * @note Caller is responsible for memory alloc and dealloc of param
1395  * 	  'entry', 'active_comp_ver_str' and 'pending_comp_ver_str'
1396  */
1397 int decode_pldm_downstream_device_parameters_entry_from_iter(
1398 	struct pldm_downstream_device_parameters_iter *iter,
1399 	struct pldm_downstream_device_parameters_entry *entry);
1400 
1401 LIBPLDM_ITERATOR
pldm_downstream_device_parameters_iter_end(const struct pldm_downstream_device_parameters_iter * iter)1402 bool pldm_downstream_device_parameters_iter_end(
1403 	const struct pldm_downstream_device_parameters_iter *iter)
1404 {
1405 	return !iter->entries;
1406 }
1407 
1408 LIBPLDM_ITERATOR
pldm_downstream_device_parameters_iter_next(struct pldm_downstream_device_parameters_iter * iter)1409 bool pldm_downstream_device_parameters_iter_next(
1410 	struct pldm_downstream_device_parameters_iter *iter)
1411 {
1412 	if (!iter->entries) {
1413 		return false;
1414 	}
1415 
1416 	iter->entries--;
1417 	return true;
1418 }
1419 
1420 /** @brief Iterator downstream device parameter entries in Get Downstream
1421  *         Firmware Parameters response
1422  *
1423  * @param params The @ref "struct pldm_downstream_device_parameters_iter" lvalue
1424  *               used as the out-value from the corresponding call to @ref
1425  *               decode_get_downstream_firmware_parameters_resp
1426  * @param entry The @ref "struct pldm_downstream_device_parameters_entry" lvalue
1427  *              into which the next parameter table entry should be decoded
1428  * @param rc An lvalue of type int into which the return code from the decoding
1429  *           will be placed
1430  *
1431  * Example use of the macro is as follows:
1432  *
1433  * @code
1434  * struct pldm_get_downstream_firmware_parameters_resp resp;
1435  * struct pldm_downstream_device_parameters_iter params;
1436  * struct pldm_downstream_device_parameters_entry entry;
1437  * int rc;
1438  *
1439  * rc = decode_get_downstream_firmware_parameters_resp(..., &resp, &params);
1440  * if (rc) {
1441  *     // Handle any error from decoding the fixed-portion of response
1442  * }
1443  *
1444  * foreach_pldm_downstream_device_parameters_entry(params, entry, rc) {
1445  *     // Do something with the decoded entry
1446  * }
1447  *
1448  * if (rc) {
1449  *     // Handle any decoding error while iterating the variable-length set of
1450  *     //parameter entries
1451  * }
1452  * @endcode
1453  */
1454 #define foreach_pldm_downstream_device_parameters_entry(params, entry, rc)       \
1455 	for ((rc) = 0;                                                           \
1456 	     (!pldm_downstream_device_parameters_iter_end(&(params)) &&          \
1457 	      !((rc) = decode_pldm_downstream_device_parameters_entry_from_iter( \
1458 			&(params), &(entry))));                                  \
1459 	     pldm_downstream_device_parameters_iter_next(&(params)))
1460 
1461 /** @brief Create PLDM request message for RequestUpdate
1462  *
1463  *  @param[in] instance_id - Message's instance id
1464  *  @param[in] max_transfer_size - Maximum size of the variable payload allowed
1465  *                                 to be requested via RequestFirmwareData
1466  *                                 command
1467  *  @param[in] num_of_comp - Total number of components that will be passed to
1468  *                           the FD during the update
1469  *  @param[in] max_outstanding_transfer_req - Total number of outstanding
1470  * 					      RequestFirmwareData
1471  * commands that can be sent by the FD
1472  *  @param[in] pkg_data_len - Value of the FirmwareDevicePackageDataLength field
1473  *                            present in firmware package header
1474  *  @param[in] comp_image_set_ver_str_type - StringType of
1475  *                                           ComponentImageSetVersionString
1476  *  @param[in] comp_image_set_ver_str_len - The length of the
1477  *                                          ComponentImageSetVersionString
1478  *  @param[in] comp_img_set_ver_str - Component Image Set version information
1479  *  @param[in,out] msg - Message will be written to this
1480  *  @param[in] payload_length - Length of request message payload
1481  *
1482  *  @return pldm_completion_codes
1483  *
1484  *  @note Caller is responsible for memory alloc and dealloc of param
1485  *        'msg.payload'
1486  */
1487 int encode_request_update_req(uint8_t instance_id, uint32_t max_transfer_size,
1488 			      uint16_t num_of_comp,
1489 			      uint8_t max_outstanding_transfer_req,
1490 			      uint16_t pkg_data_len,
1491 			      uint8_t comp_image_set_ver_str_type,
1492 			      uint8_t comp_image_set_ver_str_len,
1493 			      const struct variable_field *comp_img_set_ver_str,
1494 			      struct pldm_msg *msg, size_t payload_length);
1495 
1496 /** @brief Decode PLDM request message for RequestUpdate
1497  *
1498  *  @param[in] msg - Message
1499  *  @param[in] payload_length - Length of request message payload
1500  *  @param[out] req - RequestUpdate request parameters
1501  *
1502  *  @return 0 on success, a negative errno value on failure.
1503  *
1504  *  @note Caller is responsible for memory alloc and dealloc of param
1505  *        'msg.payload'
1506  */
1507 int decode_request_update_req(const struct pldm_msg *msg, size_t payload_length,
1508 			      struct pldm_request_update_req_full *req);
1509 
1510 /** @brief Decode a RequestUpdate response message
1511  *
1512  *  @param[in] msg - Response message
1513  *  @param[in] payload_length - Length of response message payload
1514  *  @param[out] completion_code - Pointer to hold the completion code
1515  *  @param[out] fd_meta_data_len - Pointer to hold the length of FD metadata
1516  *  @param[out] fd_will_send_pkg_data - Pointer to hold information whether FD
1517  *                                      will send GetPackageData command
1518  *  @return pldm_completion_codes
1519  */
1520 int decode_request_update_resp(const struct pldm_msg *msg,
1521 			       size_t payload_length, uint8_t *completion_code,
1522 			       uint16_t *fd_meta_data_len,
1523 			       uint8_t *fd_will_send_pkg_data);
1524 
1525 /** @brief Create PLDM response message for RequestUpdate
1526  *
1527  *  @param[in] instance_id - Message's instance id
1528  *  @param[in] resp_data - Response data
1529  *  @param[out] msg - Message will be written to this
1530  *  @param[inout] payload_length - Length of response message payload
1531  *
1532  *  @return 0 on success, a negative errno value on failure.
1533  *
1534  *  @note  Caller is responsible for memory alloc and dealloc of param
1535  *		   'msg.payload'
1536  */
1537 int encode_request_update_resp(uint8_t instance_id,
1538 			       const struct pldm_request_update_resp *resp_data,
1539 			       struct pldm_msg *msg, size_t *payload_length);
1540 
1541 /** @brief Create PLDM request message for PassComponentTable
1542  *
1543  *  @param[in] instance_id - Message's instance id
1544  *  @param[in] transfer_flag - TransferFlag
1545  *  @param[in] comp_classification - ComponentClassification
1546  *  @param[in] comp_identifier - ComponentIdentifier
1547  *  @param[in] comp_classification_index - ComponentClassificationIndex
1548  *  @param[in] comp_comparison_stamp - ComponentComparisonStamp
1549  *  @param[in] comp_ver_str_type - ComponentVersionStringType
1550  *  @param[in] comp_ver_str_len - ComponentVersionStringLength
1551  *  @param[in] comp_ver_str - ComponentVersionString
1552  *  @param[in,out] msg - Message will be written to this
1553  *  @param[in] payload_length - Length of request message payload
1554  *                              information
1555  *
1556  *  @return pldm_completion_codes
1557  *
1558  *  @note  Caller is responsible for memory alloc and dealloc of param
1559  *         'msg.payload'
1560  */
1561 int encode_pass_component_table_req(
1562 	uint8_t instance_id, uint8_t transfer_flag,
1563 	uint16_t comp_classification, uint16_t comp_identifier,
1564 	uint8_t comp_classification_index, uint32_t comp_comparison_stamp,
1565 	uint8_t comp_ver_str_type, uint8_t comp_ver_str_len,
1566 	const struct variable_field *comp_ver_str, struct pldm_msg *msg,
1567 	size_t payload_length);
1568 
1569 /** @brief Decode a PassComponentTable request
1570  *
1571  *  @param[in] msg - PLDM Message
1572  *  @param[in] payload_length
1573  *  @param[out] pcomp - Pass Component Table Request
1574  *
1575  *  @return 0 on success, a negative errno value on failure.
1576  */
1577 int decode_pass_component_table_req(
1578 	const struct pldm_msg *msg, size_t payload_length,
1579 	struct pldm_pass_component_table_req_full *pcomp);
1580 
1581 /** @brief Decode PassComponentTable response message
1582  *
1583  *  @param[in] msg - Response message
1584  *  @param[in] payload_length - Length of response message payload
1585  *  @param[out] completion_code - Pointer to hold completion code
1586  *  @param[out] comp_resp - Pointer to hold component response
1587  *  @param[out] comp_resp_code - Pointer to hold component response code
1588  *
1589  *  @return pldm_completion_codes
1590  */
1591 int decode_pass_component_table_resp(const struct pldm_msg *msg,
1592 				     size_t payload_length,
1593 				     uint8_t *completion_code,
1594 				     uint8_t *comp_resp,
1595 				     uint8_t *comp_resp_code);
1596 
1597 /** @brief Encode PassComponentTable response
1598  *
1599  *  @param[in] instance_id - PLDM Instance ID matching the request
1600  *  @param[in] resp_data - response data
1601  *  @param[out] msg - Response message
1602  *  @param[inout] payload_length - Length of msg payload buffer,
1603  *				   will be updated with the written
1604  * 				   length on success.
1605  *
1606  *  @return 0 on success, a negative errno value on failure.
1607  */
1608 int encode_pass_component_table_resp(
1609 	uint8_t instance_id,
1610 	const struct pldm_pass_component_table_resp *resp_data,
1611 	struct pldm_msg *msg, size_t *payload_length);
1612 
1613 /** @brief Create PLDM request message for UpdateComponent
1614  *
1615  *  @param[in] instance_id - Message's instance id
1616  *  @param[in] comp_classification - ComponentClassification
1617  *  @param[in] comp_identifier - ComponentIdentifier
1618  *  @param[in] comp_classification_index - ComponentClassificationIndex
1619  *  @param[in] comp_comparison_stamp - ComponentComparisonStamp
1620  *  @param[in] comp_image_size - ComponentImageSize
1621  *  @param[in] update_option_flags - UpdateOptionFlags
1622  *  @param[in] comp_ver_str_type - ComponentVersionStringType
1623  *  @param[in] comp_ver_str_len - ComponentVersionStringLength
1624  *  @param[in] comp_ver_str - ComponentVersionString
1625  *  @param[in,out] msg - Message will be written to this
1626  *  @param[in] payload_length - Length of request message payload
1627  *                              information
1628  *
1629  *  @return pldm_completion_codes
1630  *
1631  *  @note  Caller is responsible for memory alloc and dealloc of param
1632  *         'msg.payload'
1633  */
1634 int encode_update_component_req(
1635 	uint8_t instance_id, uint16_t comp_classification,
1636 	uint16_t comp_identifier, uint8_t comp_classification_index,
1637 	uint32_t comp_comparison_stamp, uint32_t comp_image_size,
1638 	bitfield32_t update_option_flags, uint8_t comp_ver_str_type,
1639 	uint8_t comp_ver_str_len, const struct variable_field *comp_ver_str,
1640 	struct pldm_msg *msg, size_t payload_length);
1641 
1642 /** @brief Decode UpdateComponent request message
1643  *
1644  *  @param[in] msg - Request message
1645  *  @param[in] payload_length - Length of request message payload
1646  *  @param[out] up - UpdateComponent request parameters
1647  *
1648  *  @return 0 on success, a negative errno value on failure.
1649  */
1650 int decode_update_component_req(const struct pldm_msg *msg,
1651 				size_t payload_length,
1652 				struct pldm_update_component_req_full *up);
1653 
1654 /** @brief Decode UpdateComponent response message
1655  *
1656  *  @param[in] msg - Response message
1657  *  @param[in] payload_length - Length of response message payload
1658  *  @param[out] completion_code - Pointer to hold completion code
1659  *  @param[out] comp_compatibility_resp - Pointer to hold component
1660  *                                        compatibility response
1661  *  @param[out] comp_compatibility_resp_code - Pointer to hold component
1662  *                                             compatibility response code
1663  *  @param[out] update_option_flags_enabled - Pointer to hold
1664  *                                            UpdateOptionsFlagEnabled
1665  *  @param[out] time_before_req_fw_data - Pointer to hold the estimated time
1666  *                                        before sending RequestFirmwareData
1667  *
1668  *  @return pldm_completion_codes
1669  */
1670 int decode_update_component_resp(const struct pldm_msg *msg,
1671 				 size_t payload_length,
1672 				 uint8_t *completion_code,
1673 				 uint8_t *comp_compatibility_resp,
1674 				 uint8_t *comp_compatibility_resp_code,
1675 				 bitfield32_t *update_option_flags_enabled,
1676 				 uint16_t *time_before_req_fw_data);
1677 
1678 /** @brief Encode UpdateComponent response
1679  *
1680  *  @param[in] instance_id - PLDM Instance ID matching the request
1681  *  @param[in] resp_data - Response data
1682  *  @param[out] msg - Response message
1683  *  @param[inout] payload_length - Length of msg payload buffer,
1684  *				   will be updated with the written
1685  * 				   length on success.
1686  *
1687  *  @return 0 on success, a negative errno value on failure.
1688  */
1689 int encode_update_component_resp(
1690 	uint8_t instance_id, const struct pldm_update_component_resp *resp_data,
1691 	struct pldm_msg *msg, size_t *payload_length);
1692 
1693 /** @brief Decode RequestFirmwareData request message
1694  *
1695  *	@param[in] msg - Request message
1696  *	@param[in] payload_length - Length of request message payload
1697  *	@param[out] offset - Pointer to hold offset
1698  *	@param[out] length - Pointer to hold the size of the component image
1699  *                       segment requested by the FD/FDP
1700  *
1701  *	@return pldm_completion_codes
1702  */
1703 int decode_request_firmware_data_req(const struct pldm_msg *msg,
1704 				     size_t payload_length, uint32_t *offset,
1705 				     uint32_t *length);
1706 
1707 /** @brief Encode RequestFirmwareData request
1708  *
1709  *  @param[in] instance_id - PLDM Instance ID
1710  *  @param[in] req_params - Request parameters
1711  *  @param[in] length - firmware data length to request
1712  *  @param[out] msg - Response message
1713  *  @param[inout] payload_length - Length of msg payload buffer,
1714  *				   will be updated with the written
1715  * 				   length on success.
1716  *
1717  *  @return 0 on success, a negative errno value on failure.
1718  */
1719 int encode_request_firmware_data_req(
1720 	uint8_t instance_id,
1721 	const struct pldm_request_firmware_data_req *req_params,
1722 	struct pldm_msg *msg, size_t *payload_length);
1723 
1724 /** @brief Create PLDM response message for RequestFirmwareData
1725  *
1726  *  The ComponentImagePortion is not encoded in the PLDM response message
1727  *  by encode_request_firmware_data_resp to avoid an additional copy. Populating
1728  *  ComponentImagePortion in the PLDM response message is handled by the user
1729  *  of this API. The payload_length validation considers only the
1730  *  CompletionCode.
1731  *
1732  *	@param[in] instance_id - Message's instance id
1733  *	@param[in] completion_code - CompletionCode
1734  *	@param[in,out] msg - Message will be written to this
1735  *  @param[in] payload_length - Length of response message payload
1736  *
1737  *	@return pldm_completion_codes
1738  *
1739  *	@note  Caller is responsible for memory alloc and dealloc of param
1740  *		   'msg.payload'
1741  */
1742 int encode_request_firmware_data_resp(uint8_t instance_id,
1743 				      uint8_t completion_code,
1744 				      struct pldm_msg *msg,
1745 				      size_t payload_length);
1746 
1747 /** @brief Decode TransferComplete request message
1748  *
1749  *  @param[in] msg - Request message
1750  *  @param[in] payload_length - Length of request message payload
1751  *  @param[out] transfer_result - Pointer to hold TransferResult
1752  *
1753  *  @return pldm_completion_codes
1754  */
1755 int decode_transfer_complete_req(const struct pldm_msg *msg,
1756 				 size_t payload_length,
1757 				 uint8_t *transfer_result);
1758 
1759 /** @brief Encode TransferComplete request
1760  *
1761  *  @param[in] instance_id - PLDM Instance ID
1762  *  @param[in] transfer_result
1763  *  @param[out] msg - Response message
1764  *  @param[inout] payload_length - Length of msg payload buffer,
1765  *				   will be updated with the written
1766  * 				   length on success.
1767  *
1768  *  @return 0 on success, a negative errno value on failure.
1769  */
1770 int encode_transfer_complete_req(uint8_t instance_id, uint8_t transfer_result,
1771 				 struct pldm_msg *msg, size_t *payload_length);
1772 
1773 /** @brief Create PLDM response message for TransferComplete
1774  *
1775  *  @param[in] instance_id - Message's instance id
1776  *  @param[in] completion_code - CompletionCode
1777  *  @param[in,out] msg - Message will be written to this
1778  *  @param[in] payload_length - Length of response message payload
1779  *
1780  *  @return pldm_completion_codes
1781  *
1782  *  @note  Caller is responsible for memory alloc and dealloc of param
1783  *         'msg.payload'
1784  */
1785 int encode_transfer_complete_resp(uint8_t instance_id, uint8_t completion_code,
1786 				  struct pldm_msg *msg, size_t payload_length);
1787 
1788 /** @brief Decode VerifyComplete request message
1789  *
1790  *  @param[in] msg - Request message
1791  *  @param[in] payload_length - Length of request message payload
1792  *  @param[in] verify_result - Pointer to hold VerifyResult
1793  *
1794  *  @return pldm_completion_codes
1795  */
1796 int decode_verify_complete_req(const struct pldm_msg *msg,
1797 			       size_t payload_length, uint8_t *verify_result);
1798 
1799 /** @brief Encode VerifyComplete request
1800  *
1801  *  @param[in] instance_id - PLDM Instance ID
1802  *  @param[in] verify_result
1803  *  @param[out] msg - Response message
1804  *  @param[inout] payload_length - Length of msg payload buffer,
1805  *				   will be updated with the written
1806  * 				   length on success.
1807  *
1808  *  @return 0 on success, a negative errno value on failure.
1809  */
1810 int encode_verify_complete_req(uint8_t instance_id, uint8_t verify_result,
1811 			       struct pldm_msg *msg, size_t *payload_length);
1812 
1813 /** @brief Create PLDM response message for VerifyComplete
1814  *
1815  *  @param[in] instance_id - Message's instance id
1816  *  @param[in] completion_code - CompletionCode
1817  *  @param[in,out] msg - Message will be written to this
1818  *  @param[in] payload_length - Length of response message payload
1819  *
1820  *  @return pldm_completion_codes
1821  *
1822  *  @note  Caller is responsible for memory alloc and dealloc of param
1823  *         'msg.payload'
1824  */
1825 int encode_verify_complete_resp(uint8_t instance_id, uint8_t completion_code,
1826 				struct pldm_msg *msg, size_t payload_length);
1827 
1828 /** @brief Decode ApplyComplete request message
1829  *
1830  *  @param[in] msg - Request message
1831  *  @param[in] payload_length - Length of request message payload
1832  *  @param[in] apply_result - Pointer to hold ApplyResult
1833  *  @param[in] comp_activation_methods_modification - Pointer to hold the
1834  *                                        ComponentActivationMethodsModification
1835  *
1836  *  @return pldm_completion_codes
1837  */
1838 int decode_apply_complete_req(
1839 	const struct pldm_msg *msg, size_t payload_length,
1840 	uint8_t *apply_result,
1841 	bitfield16_t *comp_activation_methods_modification);
1842 
1843 /** @brief Encode ApplyComplete request
1844  *
1845  *  @param[in] instance_id - PLDM Instance ID
1846  *  @param[in] req_data - Request data
1847  *  @param[out] msg - Request message
1848  *  @param[inout] payload_length - Length of msg payload buffer,
1849  *				   will be updated with the written
1850  * 				   length on success.
1851  *
1852  *  @return 0 on success, a negative errno value on failure.
1853  */
1854 int encode_apply_complete_req(uint8_t instance_id,
1855 			      const struct pldm_apply_complete_req *req_data,
1856 			      struct pldm_msg *msg, size_t *payload_length);
1857 
1858 /** @brief Create PLDM response message for ApplyComplete
1859  *
1860  *  @param[in] instance_id - Message's instance id
1861  *  @param[in] completion_code - CompletionCode
1862  *  @param[in,out] msg - Message will be written to this
1863  *  @param[in] payload_length - Length of response message payload
1864  *
1865  *  @return pldm_completion_codes
1866  *
1867  *  @note Caller is responsible for memory alloc and dealloc of param
1868  *        'msg.payload'
1869  */
1870 int encode_apply_complete_resp(uint8_t instance_id, uint8_t completion_code,
1871 			       struct pldm_msg *msg, size_t payload_length);
1872 
1873 /** @brief Create PLDM request message for ActivateFirmware
1874  *
1875  *  @param[in] instance_id - Message's instance id
1876  *  @param[in] self_contained_activation_req SelfContainedActivationRequest
1877  *  @param[in,out] msg - Message will be written to this
1878  *  @param[in] payload_length - Length of request message payload
1879  *
1880  *  @return pldm_completion_codes
1881  *
1882  *  @note  Caller is responsible for memory alloc and dealloc of param
1883  *         'msg.payload'
1884  */
1885 int encode_activate_firmware_req(uint8_t instance_id,
1886 				 bool8_t self_contained_activation_req,
1887 				 struct pldm_msg *msg, size_t payload_length);
1888 
1889 /** @brief Decode ActivateFirmware request
1890  *
1891  *  @param[in] msg - Request message
1892  *  @param[in] payload_length - Length of request message payload
1893  *  @param[out] self_contained
1894  *
1895  *  @return 0 on success, a negative errno value on failure.
1896  */
1897 int decode_activate_firmware_req(const struct pldm_msg *msg,
1898 				 size_t payload_length, bool *self_contained);
1899 
1900 /** @brief Decode ActivateFirmware response message
1901  *
1902  *  @param[in] msg - Response message
1903  *  @param[in] payload_length - Length of response message payload
1904  *  @param[out] completion_code - Pointer to hold CompletionCode
1905  *  @param[out] estimated_time_activation - Pointer to hold
1906  *                                       EstimatedTimeForSelfContainedActivation
1907  *
1908  *  @return pldm_completion_codes
1909  */
1910 int decode_activate_firmware_resp(const struct pldm_msg *msg,
1911 				  size_t payload_length,
1912 				  uint8_t *completion_code,
1913 				  uint16_t *estimated_time_activation);
1914 
1915 /** @brief Encode ActivateFirmware response
1916  *
1917  *  @param[in] instance_id - PLDM Instance ID matching the request
1918  *  @param[in] resp_data - Response data
1919  *  @param[out] msg - Response message
1920  *  @param[inout] payload_length - Length of msg payload buffer,
1921  *				   will be updated with the written
1922  * 				   length on success.
1923  *
1924  *  @return 0 on success, a negative errno value on failure.
1925  */
1926 int encode_activate_firmware_resp(
1927 	uint8_t instance_id,
1928 	const struct pldm_activate_firmware_resp *resp_data,
1929 	struct pldm_msg *msg, size_t *payload_length);
1930 
1931 /** @brief Create PLDM request message for GetStatus
1932  *
1933  *  @param[in] instance_id - Message's instance id
1934  *  @param[in,out] msg - Message will be written to this
1935  *  @param[in] payload_length - Length of request message payload
1936  *
1937  *  @return pldm_completion_codes
1938  *
1939  *  @note Caller is responsible for memory alloc and dealloc of param
1940  *        'msg.payload'
1941  */
1942 int encode_get_status_req(uint8_t instance_id, struct pldm_msg *msg,
1943 			  size_t payload_length);
1944 
1945 /** @brief Decode GetStatus response message
1946  *
1947  *  @param[in] msg - Response message
1948  *  @param[in] payload_length - Length of response message payload
1949  *  @param[out] completion_code - Pointer to completion code
1950  *  @param[out] current_state - Pointer to current state machine state
1951  *  @param[out] previous_state - Pointer to previous different state machine
1952  *                               state
1953  *  @param[out] aux_state - Pointer to current operation state of FD/FDP
1954  *  @param[out] aux_state_status - Pointer to aux state status
1955  *  @param[out] progress_percent - Pointer to progress percentage
1956  *  @param[out] reason_code - Pointer to reason for entering current state
1957  *  @param[out] update_option_flags_enabled - Pointer to update option flags
1958  *                                            enabled
1959  *
1960  *  @return pldm_completion_codes
1961  */
1962 int decode_get_status_resp(const struct pldm_msg *msg, size_t payload_length,
1963 			   uint8_t *completion_code, uint8_t *current_state,
1964 			   uint8_t *previous_state, uint8_t *aux_state,
1965 			   uint8_t *aux_state_status, uint8_t *progress_percent,
1966 			   uint8_t *reason_code,
1967 			   bitfield32_t *update_option_flags_enabled);
1968 
1969 /** @brief Encode GetStatus response
1970  *
1971  *  @param[in] instance_id - PLDM Instance ID matching the request
1972  *  @param[in] status - GetStatus response. completion_code must be PLDM_SUCCESS.
1973  *  @param[out] msg - Response message
1974  *  @param[inout] payload_length - Length of msg payload buffer,
1975  *				   will be updated with the written
1976  * 				   length on success.
1977  *
1978  *  @return 0 on success, a negative errno value on failure.
1979  */
1980 int encode_get_status_resp(uint8_t instance_id,
1981 			   const struct pldm_get_status_resp *status,
1982 			   struct pldm_msg *msg, size_t *payload_length);
1983 
1984 /** @brief Create PLDM request message for CancelUpdateComponent
1985  *
1986  *  @param[in] instance_id - Message's instance id
1987  *  @param[in,out] msg - Message will be written to this
1988  *  @param[in] payload_length - Length of request message payload
1989  *
1990  *  @return pldm_completion_codes
1991  *
1992  *  @note  Caller is responsible for memory alloc and dealloc of param
1993  *         'msg.payload'
1994  */
1995 int encode_cancel_update_component_req(uint8_t instance_id,
1996 				       struct pldm_msg *msg,
1997 				       size_t payload_length);
1998 
1999 /** @brief Decode CancelUpdateComponent response message
2000  *
2001  *  @param[in] msg - Response message
2002  *  @param[in] payload_length - Length of response message payload
2003  *  @param[out] completion_code - Pointer to the completion code
2004  *
2005  *  @return pldm_completion_codes
2006  */
2007 int decode_cancel_update_component_resp(const struct pldm_msg *msg,
2008 					size_t payload_length,
2009 					uint8_t *completion_code);
2010 
2011 /** @brief Create PLDM request message for CancelUpdate
2012  *
2013  *	@param[in] instance_id - Message's instance id
2014  *	@param[in,out] msg - Message will be written to this
2015  *  @param[in] payload_length - Length of request message payload
2016  *
2017  *	@return pldm_completion_codes
2018  *
2019  *	@note  Caller is responsible for memory alloc and dealloc of param
2020  *         'msg.payload'
2021  */
2022 int encode_cancel_update_req(uint8_t instance_id, struct pldm_msg *msg,
2023 			     size_t payload_length);
2024 
2025 /** @brief Decode CancelUpdate response message
2026  *
2027  *	@param[in] msg - Response message
2028  *  @param[in] payload_length - Length of response message payload
2029  *	@param[out] completion_code - Pointer to completion code
2030  *	@param[out] non_functioning_component_indication - Pointer to non
2031 						       functioning
2032  *                                                     component indication
2033  *	@param[out] non_functioning_component_bitmap - Pointer to non
2034  functioning
2035  *                                                 component bitmap
2036  *
2037  *	@return pldm_completion_codes
2038  */
2039 int decode_cancel_update_resp(const struct pldm_msg *msg, size_t payload_length,
2040 			      uint8_t *completion_code,
2041 			      bool8_t *non_functioning_component_indication,
2042 			      bitfield64_t *non_functioning_component_bitmap);
2043 
2044 /** @brief Encode CancelUpdate response
2045  *
2046  *  @param[in] instance_id - PLDM Instance ID matching the request
2047  *  @param[in] resp_data - Response data,
2048  *  @param[out] msg - Response message
2049  *  @param[inout] payload_length - Length of msg payload buffer,
2050  *				   will be updated with the written
2051  * 				   length on success.
2052  *
2053  *  @return 0 on success, a negative errno value on failure.
2054  */
2055 int encode_cancel_update_resp(uint8_t instance_id,
2056 			      const struct pldm_cancel_update_resp *resp_data,
2057 			      struct pldm_msg *msg, size_t *payload_length);
2058 
2059 #ifdef __cplusplus
2060 }
2061 #endif
2062 
2063 #endif // End of FW_UPDATE_H
2064