11b0b00e3SLawrence Tang /** 22800cd8eSLawrence Tang * Describes high level functions for converting an entire CPER log, and functions for parsing 32800cd8eSLawrence Tang * CPER headers and section descriptions into an intermediate JSON format. 41b0b00e3SLawrence Tang * 51b0b00e3SLawrence Tang * Author: Lawrence.Tang@arm.com 61b0b00e3SLawrence Tang **/ 71b0b00e3SLawrence Tang 81b0b00e3SLawrence Tang #include <stdio.h> 95202bbb4SLawrence Tang #include <json.h> 10d7e8ca34SLawrence Tang #include "b64.h" 111b0b00e3SLawrence Tang #include "edk/Cper.h" 121b0b00e3SLawrence Tang #include "cper-parse.h" 131b0b00e3SLawrence Tang #include "cper-utils.h" 14580423feSLawrence Tang #include "sections/cper-section.h" 151b0b00e3SLawrence Tang 161b0b00e3SLawrence Tang //Private pre-definitions. 171b0b00e3SLawrence Tang json_object *cper_header_to_ir(EFI_COMMON_ERROR_RECORD_HEADER *header); 18e407b4c8SLawrence Tang json_object * 19e407b4c8SLawrence Tang cper_section_descriptor_to_ir(EFI_ERROR_SECTION_DESCRIPTOR *section_descriptor); 20*94153499SLawrence Tang json_object *cper_section_to_ir(FILE *handle, long base_pos, 21e407b4c8SLawrence Tang EFI_ERROR_SECTION_DESCRIPTOR *descriptor); 221b0b00e3SLawrence Tang 231b0b00e3SLawrence Tang //Reads a CPER log file at the given file location, and returns an intermediate 241b0b00e3SLawrence Tang //JSON representation of this CPER record. 25f0f95574SLawrence Tang json_object *cper_to_ir(FILE *cper_file) 261b0b00e3SLawrence Tang { 27*94153499SLawrence Tang //Read the current file pointer location as the base of the record. 28*94153499SLawrence Tang long base_pos = ftell(cper_file); 29*94153499SLawrence Tang 301b0b00e3SLawrence Tang //Ensure this is really a CPER log. 311b0b00e3SLawrence Tang EFI_COMMON_ERROR_RECORD_HEADER header; 32e407b4c8SLawrence Tang if (fread(&header, sizeof(EFI_COMMON_ERROR_RECORD_HEADER), 1, 33e407b4c8SLawrence Tang cper_file) != 1) { 3402c801a5SLawrence Tang printf("Invalid CPER file: Invalid length (log too short).\n"); 351b0b00e3SLawrence Tang return NULL; 361b0b00e3SLawrence Tang } 371b0b00e3SLawrence Tang 381b0b00e3SLawrence Tang //Check if the header contains the magic bytes ("CPER"). 391b0b00e3SLawrence Tang if (header.SignatureStart != EFI_ERROR_RECORD_SIGNATURE_START) { 4002c801a5SLawrence Tang printf("Invalid CPER file: Invalid header (incorrect signature).\n"); 411b0b00e3SLawrence Tang return NULL; 421b0b00e3SLawrence Tang } 431b0b00e3SLawrence Tang 441b0b00e3SLawrence Tang //Create the header JSON object from the read bytes. 451b0b00e3SLawrence Tang json_object *header_ir = cper_header_to_ir(&header); 461b0b00e3SLawrence Tang 471b0b00e3SLawrence Tang //Read the appropriate number of section descriptors & sections, and convert them into IR format. 481b0b00e3SLawrence Tang json_object *section_descriptors_ir = json_object_new_array(); 491b0b00e3SLawrence Tang json_object *sections_ir = json_object_new_array(); 50e407b4c8SLawrence Tang for (int i = 0; i < header.SectionCount; i++) { 511b0b00e3SLawrence Tang //Create the section descriptor. 521b0b00e3SLawrence Tang EFI_ERROR_SECTION_DESCRIPTOR section_descriptor; 53e407b4c8SLawrence Tang if (fread(§ion_descriptor, 54e407b4c8SLawrence Tang sizeof(EFI_ERROR_SECTION_DESCRIPTOR), 1, 55e407b4c8SLawrence Tang cper_file) != 1) { 56e407b4c8SLawrence Tang printf("Invalid number of section headers: Header states %d sections, could not read section %d.\n", 57e407b4c8SLawrence Tang header.SectionCount, i + 1); 581b0b00e3SLawrence Tang return NULL; 591b0b00e3SLawrence Tang } 60e407b4c8SLawrence Tang json_object_array_add( 61e407b4c8SLawrence Tang section_descriptors_ir, 62e407b4c8SLawrence Tang cper_section_descriptor_to_ir(§ion_descriptor)); 631b0b00e3SLawrence Tang 641b0b00e3SLawrence Tang //Read the section itself. 65e407b4c8SLawrence Tang json_object_array_add(sections_ir, 66*94153499SLawrence Tang cper_section_to_ir(cper_file, base_pos, 67e407b4c8SLawrence Tang §ion_descriptor)); 681b0b00e3SLawrence Tang } 691b0b00e3SLawrence Tang 701b0b00e3SLawrence Tang //Add the header, section descriptors, and sections to a parent object. 711b0b00e3SLawrence Tang json_object *parent = json_object_new_object(); 721b0b00e3SLawrence Tang json_object_object_add(parent, "header", header_ir); 73e407b4c8SLawrence Tang json_object_object_add(parent, "sectionDescriptors", 74e407b4c8SLawrence Tang section_descriptors_ir); 752800cd8eSLawrence Tang json_object_object_add(parent, "sections", sections_ir); 761b0b00e3SLawrence Tang 771b0b00e3SLawrence Tang return parent; 781b0b00e3SLawrence Tang } 791b0b00e3SLawrence Tang 801b0b00e3SLawrence Tang //Converts a parsed CPER record header into intermediate JSON object format. 811b0b00e3SLawrence Tang json_object *cper_header_to_ir(EFI_COMMON_ERROR_RECORD_HEADER *header) 821b0b00e3SLawrence Tang { 831b0b00e3SLawrence Tang json_object *header_ir = json_object_new_object(); 841b0b00e3SLawrence Tang 851b0b00e3SLawrence Tang //Revision/version information. 86e407b4c8SLawrence Tang json_object_object_add(header_ir, "revision", 87e407b4c8SLawrence Tang revision_to_ir(header->Revision)); 881b0b00e3SLawrence Tang 891b0b00e3SLawrence Tang //Section count. 90e407b4c8SLawrence Tang json_object_object_add(header_ir, "sectionCount", 91e407b4c8SLawrence Tang json_object_new_int(header->SectionCount)); 921b0b00e3SLawrence Tang 931b0b00e3SLawrence Tang //Error severity (with interpreted string version). 941b0b00e3SLawrence Tang json_object *error_severity = json_object_new_object(); 95e407b4c8SLawrence Tang json_object_object_add(error_severity, "code", 96e407b4c8SLawrence Tang json_object_new_uint64(header->ErrorSeverity)); 97e407b4c8SLawrence Tang json_object_object_add(error_severity, "name", 98e407b4c8SLawrence Tang json_object_new_string(severity_to_string( 99e407b4c8SLawrence Tang header->ErrorSeverity))); 1001b0b00e3SLawrence Tang json_object_object_add(header_ir, "severity", error_severity); 1011b0b00e3SLawrence Tang 1021b0b00e3SLawrence Tang //The validation bits for each section. 103e407b4c8SLawrence Tang json_object *validation_bits = bitfield_to_ir( 104e407b4c8SLawrence Tang header->ValidationBits, 3, CPER_HEADER_VALID_BITFIELD_NAMES); 1051b0b00e3SLawrence Tang json_object_object_add(header_ir, "validationBits", validation_bits); 1061b0b00e3SLawrence Tang 1071b0b00e3SLawrence Tang //Total length of the record (including headers) in bytes. 108e407b4c8SLawrence Tang json_object_object_add(header_ir, "recordLength", 109e407b4c8SLawrence Tang json_object_new_uint64(header->RecordLength)); 1101b0b00e3SLawrence Tang 1111b0b00e3SLawrence Tang //If a timestamp exists according to validation bits, then add it. 112e407b4c8SLawrence Tang if (header->ValidationBits & 0b10) { 1131b0b00e3SLawrence Tang char timestamp_string[TIMESTAMP_LENGTH]; 114aacf0e26SLawrence Tang timestamp_to_string(timestamp_string, &header->TimeStamp); 1151b0b00e3SLawrence Tang 116e407b4c8SLawrence Tang json_object_object_add( 117e407b4c8SLawrence Tang header_ir, "timestamp", 118e407b4c8SLawrence Tang json_object_new_string(timestamp_string)); 119e407b4c8SLawrence Tang json_object_object_add( 120e407b4c8SLawrence Tang header_ir, "timestampIsPrecise", 121e407b4c8SLawrence Tang json_object_new_boolean(header->TimeStamp.Flag)); 1221b0b00e3SLawrence Tang } 1231b0b00e3SLawrence Tang 1241b0b00e3SLawrence Tang //If a platform ID exists according to the validation bits, then add it. 125e407b4c8SLawrence Tang if (header->ValidationBits & 0b1) { 1261b0b00e3SLawrence Tang char platform_string[GUID_STRING_LENGTH]; 1271b0b00e3SLawrence Tang guid_to_string(platform_string, &header->PlatformID); 128e407b4c8SLawrence Tang json_object_object_add(header_ir, "platformID", 129e407b4c8SLawrence Tang json_object_new_string(platform_string)); 1301b0b00e3SLawrence Tang } 1311b0b00e3SLawrence Tang 1321b0b00e3SLawrence Tang //If a partition ID exists according to the validation bits, then add it. 133e407b4c8SLawrence Tang if (header->ValidationBits & 0b100) { 1341b0b00e3SLawrence Tang char partition_string[GUID_STRING_LENGTH]; 1351b0b00e3SLawrence Tang guid_to_string(partition_string, &header->PartitionID); 136e407b4c8SLawrence Tang json_object_object_add( 137e407b4c8SLawrence Tang header_ir, "partitionID", 138e407b4c8SLawrence Tang json_object_new_string(partition_string)); 1391b0b00e3SLawrence Tang } 1401b0b00e3SLawrence Tang 1411b0b00e3SLawrence Tang //Creator ID of the header. 1421b0b00e3SLawrence Tang char creator_string[GUID_STRING_LENGTH]; 1431b0b00e3SLawrence Tang guid_to_string(creator_string, &header->CreatorID); 144e407b4c8SLawrence Tang json_object_object_add(header_ir, "creatorID", 145e407b4c8SLawrence Tang json_object_new_string(creator_string)); 1461b0b00e3SLawrence Tang 1471b0b00e3SLawrence Tang //Notification type for the header. Some defined types are available. 1481b0b00e3SLawrence Tang json_object *notification_type = json_object_new_object(); 1491b0b00e3SLawrence Tang char notification_type_string[GUID_STRING_LENGTH]; 1501b0b00e3SLawrence Tang guid_to_string(notification_type_string, &header->NotificationType); 151e407b4c8SLawrence Tang json_object_object_add( 152e407b4c8SLawrence Tang notification_type, "guid", 153e407b4c8SLawrence Tang json_object_new_string(notification_type_string)); 1541b0b00e3SLawrence Tang 1551b0b00e3SLawrence Tang //Add the human readable notification type if possible. 1561b0b00e3SLawrence Tang char *notification_type_readable = "Unknown"; 157e407b4c8SLawrence Tang if (guid_equal(&header->NotificationType, 158e407b4c8SLawrence Tang &gEfiEventNotificationTypeCmcGuid)) 1591b0b00e3SLawrence Tang notification_type_readable = "CMC"; 160e407b4c8SLawrence Tang else if (guid_equal(&header->NotificationType, 161e407b4c8SLawrence Tang &gEfiEventNotificationTypeCpeGuid)) 1621b0b00e3SLawrence Tang notification_type_readable = "CPE"; 163e407b4c8SLawrence Tang else if (guid_equal(&header->NotificationType, 164e407b4c8SLawrence Tang &gEfiEventNotificationTypeMceGuid)) 1651b0b00e3SLawrence Tang notification_type_readable = "MCE"; 166e407b4c8SLawrence Tang else if (guid_equal(&header->NotificationType, 167e407b4c8SLawrence Tang &gEfiEventNotificationTypePcieGuid)) 1681b0b00e3SLawrence Tang notification_type_readable = "PCIe"; 169e407b4c8SLawrence Tang else if (guid_equal(&header->NotificationType, 170e407b4c8SLawrence Tang &gEfiEventNotificationTypeInitGuid)) 1711b0b00e3SLawrence Tang notification_type_readable = "INIT"; 172e407b4c8SLawrence Tang else if (guid_equal(&header->NotificationType, 173e407b4c8SLawrence Tang &gEfiEventNotificationTypeNmiGuid)) 1741b0b00e3SLawrence Tang notification_type_readable = "NMI"; 175e407b4c8SLawrence Tang else if (guid_equal(&header->NotificationType, 176e407b4c8SLawrence Tang &gEfiEventNotificationTypeBootGuid)) 1771b0b00e3SLawrence Tang notification_type_readable = "Boot"; 178e407b4c8SLawrence Tang else if (guid_equal(&header->NotificationType, 179e407b4c8SLawrence Tang &gEfiEventNotificationTypeDmarGuid)) 1801b0b00e3SLawrence Tang notification_type_readable = "DMAr"; 181e407b4c8SLawrence Tang else if (guid_equal(&header->NotificationType, 182e407b4c8SLawrence Tang &gEfiEventNotificationTypeSeaGuid)) 1831b0b00e3SLawrence Tang notification_type_readable = "SEA"; 184e407b4c8SLawrence Tang else if (guid_equal(&header->NotificationType, 185e407b4c8SLawrence Tang &gEfiEventNotificationTypeSeiGuid)) 1861b0b00e3SLawrence Tang notification_type_readable = "SEI"; 187e407b4c8SLawrence Tang else if (guid_equal(&header->NotificationType, 188e407b4c8SLawrence Tang &gEfiEventNotificationTypePeiGuid)) 1891b0b00e3SLawrence Tang notification_type_readable = "PEI"; 190e407b4c8SLawrence Tang else if (guid_equal(&header->NotificationType, 191e407b4c8SLawrence Tang &gEfiEventNotificationTypeCxlGuid)) 1921b0b00e3SLawrence Tang notification_type_readable = "CXL Component"; 193e407b4c8SLawrence Tang json_object_object_add( 194e407b4c8SLawrence Tang notification_type, "type", 195e407b4c8SLawrence Tang json_object_new_string(notification_type_readable)); 196e407b4c8SLawrence Tang json_object_object_add(header_ir, "notificationType", 197e407b4c8SLawrence Tang notification_type); 1981b0b00e3SLawrence Tang 1991b0b00e3SLawrence Tang //The record ID for this record, unique on a given system. 200e407b4c8SLawrence Tang json_object_object_add(header_ir, "recordID", 201e407b4c8SLawrence Tang json_object_new_uint64(header->RecordID)); 2021b0b00e3SLawrence Tang 2031b0b00e3SLawrence Tang //Flag for the record, and a human readable form. 204e407b4c8SLawrence Tang json_object *flags = integer_to_readable_pair( 205e407b4c8SLawrence Tang header->Flags, 2063c43f743SLawrence Tang sizeof(CPER_HEADER_FLAG_TYPES_KEYS) / sizeof(int), 207e407b4c8SLawrence Tang CPER_HEADER_FLAG_TYPES_KEYS, CPER_HEADER_FLAG_TYPES_VALUES, 2083c43f743SLawrence Tang "Unknown"); 2091b0b00e3SLawrence Tang json_object_object_add(header_ir, "flags", flags); 2101b0b00e3SLawrence Tang 2111b0b00e3SLawrence Tang //Persistence information. Outside the scope of specification, so just a uint32 here. 212e407b4c8SLawrence Tang json_object_object_add(header_ir, "persistenceInfo", 213e407b4c8SLawrence Tang json_object_new_uint64(header->PersistenceInfo)); 2141b0b00e3SLawrence Tang return header_ir; 2151b0b00e3SLawrence Tang } 2161b0b00e3SLawrence Tang 2171b0b00e3SLawrence Tang //Converts the given EFI section descriptor into JSON IR format. 218e407b4c8SLawrence Tang json_object * 219e407b4c8SLawrence Tang cper_section_descriptor_to_ir(EFI_ERROR_SECTION_DESCRIPTOR *section_descriptor) 2201b0b00e3SLawrence Tang { 2211b0b00e3SLawrence Tang json_object *section_descriptor_ir = json_object_new_object(); 2221b0b00e3SLawrence Tang 2231b0b00e3SLawrence Tang //The offset of the section from the base of the record header, length. 224e407b4c8SLawrence Tang json_object_object_add( 225e407b4c8SLawrence Tang section_descriptor_ir, "sectionOffset", 226e407b4c8SLawrence Tang json_object_new_uint64(section_descriptor->SectionOffset)); 227e407b4c8SLawrence Tang json_object_object_add( 228e407b4c8SLawrence Tang section_descriptor_ir, "sectionLength", 229e407b4c8SLawrence Tang json_object_new_uint64(section_descriptor->SectionLength)); 2301b0b00e3SLawrence Tang 2311b0b00e3SLawrence Tang //Revision. 232e407b4c8SLawrence Tang json_object_object_add(section_descriptor_ir, "revision", 233e407b4c8SLawrence Tang revision_to_ir(section_descriptor->Revision)); 2341b0b00e3SLawrence Tang 2351b0b00e3SLawrence Tang //Validation bits. 236e407b4c8SLawrence Tang json_object *validation_bits = 237e407b4c8SLawrence Tang bitfield_to_ir(section_descriptor->SecValidMask, 2, 238e407b4c8SLawrence Tang CPER_SECTION_DESCRIPTOR_VALID_BITFIELD_NAMES); 239e407b4c8SLawrence Tang json_object_object_add(section_descriptor_ir, "validationBits", 240e407b4c8SLawrence Tang validation_bits); 2411b0b00e3SLawrence Tang 2421b0b00e3SLawrence Tang //Flag bits. 243e407b4c8SLawrence Tang json_object *flags = 244e407b4c8SLawrence Tang bitfield_to_ir(section_descriptor->SectionFlags, 8, 245e407b4c8SLawrence Tang CPER_SECTION_DESCRIPTOR_FLAGS_BITFIELD_NAMES); 2461b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "flags", flags); 2471b0b00e3SLawrence Tang 2481b0b00e3SLawrence Tang //Section type (GUID). 2491b0b00e3SLawrence Tang json_object *section_type = json_object_new_object(); 2501b0b00e3SLawrence Tang char section_type_string[GUID_STRING_LENGTH]; 2511b0b00e3SLawrence Tang guid_to_string(section_type_string, §ion_descriptor->SectionType); 252e407b4c8SLawrence Tang json_object_object_add(section_type, "data", 253e407b4c8SLawrence Tang json_object_new_string(section_type_string)); 2541b0b00e3SLawrence Tang 2551b0b00e3SLawrence Tang //Readable section type, if possible. 256580423feSLawrence Tang const char *section_type_readable = "Unknown"; 257f1f3b839SLawrence Tang for (int i = 0; i < section_definitions_len; i++) { 258f1f3b839SLawrence Tang if (guid_equal(section_definitions[i].Guid, 259f1f3b839SLawrence Tang §ion_descriptor->SectionType)) { 260f1f3b839SLawrence Tang section_type_readable = 261f1f3b839SLawrence Tang section_definitions[i].ReadableName; 262580423feSLawrence Tang break; 263580423feSLawrence Tang } 264580423feSLawrence Tang } 2651b0b00e3SLawrence Tang 266e407b4c8SLawrence Tang json_object_object_add(section_type, "type", 267e407b4c8SLawrence Tang json_object_new_string(section_type_readable)); 268e407b4c8SLawrence Tang json_object_object_add(section_descriptor_ir, "sectionType", 269e407b4c8SLawrence Tang section_type); 2701b0b00e3SLawrence Tang 2711b0b00e3SLawrence Tang //If validation bits indicate it exists, add FRU ID. 272e407b4c8SLawrence Tang if (section_descriptor->SecValidMask & 0b1) { 2731b0b00e3SLawrence Tang char fru_id_string[GUID_STRING_LENGTH]; 2741b0b00e3SLawrence Tang guid_to_string(fru_id_string, §ion_descriptor->FruId); 275e407b4c8SLawrence Tang json_object_object_add(section_descriptor_ir, "fruID", 276e407b4c8SLawrence Tang json_object_new_string(fru_id_string)); 2771b0b00e3SLawrence Tang } 2781b0b00e3SLawrence Tang 2791b0b00e3SLawrence Tang //If validation bits indicate it exists, add FRU text. 2801b0b00e3SLawrence Tang if ((section_descriptor->SecValidMask & 0b10) >> 1) 281e407b4c8SLawrence Tang json_object_object_add( 282e407b4c8SLawrence Tang section_descriptor_ir, "fruText", 283e407b4c8SLawrence Tang json_object_new_string(section_descriptor->FruString)); 2841b0b00e3SLawrence Tang 2851b0b00e3SLawrence Tang //Section severity. 2861b0b00e3SLawrence Tang json_object *section_severity = json_object_new_object(); 287e407b4c8SLawrence Tang json_object_object_add( 288e407b4c8SLawrence Tang section_severity, "code", 289e407b4c8SLawrence Tang json_object_new_uint64(section_descriptor->Severity)); 290e407b4c8SLawrence Tang json_object_object_add(section_severity, "name", 291e407b4c8SLawrence Tang json_object_new_string(severity_to_string( 292e407b4c8SLawrence Tang section_descriptor->Severity))); 293e407b4c8SLawrence Tang json_object_object_add(section_descriptor_ir, "severity", 294e407b4c8SLawrence Tang section_severity); 2951b0b00e3SLawrence Tang 2961b0b00e3SLawrence Tang return section_descriptor_ir; 2971b0b00e3SLawrence Tang } 2981b0b00e3SLawrence Tang 2991b0b00e3SLawrence Tang //Converts the section described by a single given section descriptor. 300*94153499SLawrence Tang json_object *cper_section_to_ir(FILE *handle, long base_pos, 301e407b4c8SLawrence Tang EFI_ERROR_SECTION_DESCRIPTOR *descriptor) 3021b0b00e3SLawrence Tang { 303de9707f9SLawrence Tang //Save our current position in the stream. 304de9707f9SLawrence Tang long position = ftell(handle); 305de9707f9SLawrence Tang 3061b0b00e3SLawrence Tang //Read section as described by the section descriptor. 307*94153499SLawrence Tang fseek(handle, base_pos + descriptor->SectionOffset, SEEK_SET); 308e18aaee9SLawrence Tang void *section = malloc(descriptor->SectionLength); 309e407b4c8SLawrence Tang if (fread(section, descriptor->SectionLength, 1, handle) != 1) { 31002c801a5SLawrence Tang printf("Section read failed: Could not read %d bytes from global offset %d.\n", 311e407b4c8SLawrence Tang descriptor->SectionLength, descriptor->SectionOffset); 312e18aaee9SLawrence Tang free(section); 313e18aaee9SLawrence Tang return NULL; 3141b0b00e3SLawrence Tang } 3151b0b00e3SLawrence Tang 316de9707f9SLawrence Tang //Seek back to our original position. 317de9707f9SLawrence Tang fseek(handle, position, SEEK_SET); 318de9707f9SLawrence Tang 319db1b7ce2SLawrence Tang //Parse section to IR based on GUID. 3201b0b00e3SLawrence Tang json_object *result = NULL; 321580423feSLawrence Tang int section_converted = 0; 322f1f3b839SLawrence Tang for (int i = 0; i < section_definitions_len; i++) { 323f1f3b839SLawrence Tang if (guid_equal(section_definitions[i].Guid, 324f1f3b839SLawrence Tang &descriptor->SectionType) && 325f1f3b839SLawrence Tang section_definitions[i].ToIR != NULL) { 326f1f3b839SLawrence Tang result = section_definitions[i].ToIR(section, 327f1f3b839SLawrence Tang descriptor); 328580423feSLawrence Tang section_converted = 1; 329580423feSLawrence Tang break; 330580423feSLawrence Tang } 331580423feSLawrence Tang } 332580423feSLawrence Tang 333580423feSLawrence Tang //Was it an unknown GUID/failed read? 334580423feSLawrence Tang if (!section_converted) { 335d7e8ca34SLawrence Tang //Output the data as formatted base64. 336d7e8ca34SLawrence Tang result = json_object_new_object(); 337e407b4c8SLawrence Tang char *encoded = b64_encode((unsigned char *)section, 338e407b4c8SLawrence Tang descriptor->SectionLength); 339e407b4c8SLawrence Tang json_object_object_add(result, "data", 340e407b4c8SLawrence Tang json_object_new_string(encoded)); 341d7e8ca34SLawrence Tang free(encoded); 342db1b7ce2SLawrence Tang } 3431b0b00e3SLawrence Tang 3441b0b00e3SLawrence Tang //Free section memory, return result. 3451b0b00e3SLawrence Tang free(section); 3461b0b00e3SLawrence Tang return result; 3471b0b00e3SLawrence Tang } 348617949e4SLawrence Tang 349617949e4SLawrence Tang //Converts a single CPER section, without a header but with a section descriptor, to JSON. 350617949e4SLawrence Tang json_object *cper_single_section_to_ir(FILE *cper_section_file) 351617949e4SLawrence Tang { 352617949e4SLawrence Tang json_object *ir = json_object_new_object(); 353617949e4SLawrence Tang 354*94153499SLawrence Tang //Read the current file pointer location as base record position. 355*94153499SLawrence Tang long base_pos = ftell(cper_section_file); 356*94153499SLawrence Tang 357617949e4SLawrence Tang //Read the section descriptor out. 358617949e4SLawrence Tang EFI_ERROR_SECTION_DESCRIPTOR section_descriptor; 359617949e4SLawrence Tang if (fread(§ion_descriptor, sizeof(EFI_ERROR_SECTION_DESCRIPTOR), 1, 360617949e4SLawrence Tang cper_section_file) != 1) { 361617949e4SLawrence Tang printf("Failed to read section descriptor for CPER single section (fread() returned an unexpected value).\n"); 362617949e4SLawrence Tang return NULL; 363617949e4SLawrence Tang } 364617949e4SLawrence Tang 365617949e4SLawrence Tang //Convert the section descriptor to IR. 366617949e4SLawrence Tang json_object *section_descriptor_ir = 367617949e4SLawrence Tang cper_section_descriptor_to_ir(§ion_descriptor); 368617949e4SLawrence Tang json_object_object_add(ir, "sectionDescriptor", section_descriptor_ir); 369617949e4SLawrence Tang 370617949e4SLawrence Tang //Parse the single section. 371617949e4SLawrence Tang json_object *section_ir = 372*94153499SLawrence Tang cper_section_to_ir(cper_section_file, base_pos, §ion_descriptor); 373617949e4SLawrence Tang json_object_object_add(ir, "section", section_ir); 374617949e4SLawrence Tang 375617949e4SLawrence Tang return ir; 376617949e4SLawrence Tang }