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> 91b0b00e3SLawrence Tang #include "json.h" 101b0b00e3SLawrence Tang #include "edk/Cper.h" 111b0b00e3SLawrence Tang #include "cper-parse.h" 121b0b00e3SLawrence Tang #include "cper-utils.h" 131b0b00e3SLawrence Tang #include "sections/cper-section-generic.h" 14794312c8SLawrence Tang #include "sections/cper-section-ia32x64.h" 152800cd8eSLawrence Tang #include "sections/cper-section-arm.h" 16a0865e38SLawrence Tang #include "sections/cper-section-memory.h" 174dbe3d72SLawrence Tang #include "sections/cper-section-pcie.h" 18214a1542SLawrence Tang #include "sections/cper-section-pci-bus.h" 19a416ec93SLawrence Tang #include "sections/cper-section-pci-dev.h" 20c60a243eSLawrence Tang #include "sections/cper-section-firmware.h" 21*4795d4aeSLawrence Tang #include "sections/cper-section-dmar-generic.h" 221b0b00e3SLawrence Tang 231b0b00e3SLawrence Tang //Private pre-definitions. 241b0b00e3SLawrence Tang json_object* cper_header_to_ir(EFI_COMMON_ERROR_RECORD_HEADER* header); 251b0b00e3SLawrence Tang json_object* cper_section_descriptor_to_ir(EFI_ERROR_SECTION_DESCRIPTOR* section_descriptor); 261b0b00e3SLawrence Tang json_object* cper_section_to_ir(FILE* handle, EFI_ERROR_SECTION_DESCRIPTOR* descriptor); 271b0b00e3SLawrence Tang 281b0b00e3SLawrence Tang //Reads a CPER log file at the given file location, and returns an intermediate 291b0b00e3SLawrence Tang //JSON representation of this CPER record. 301b0b00e3SLawrence Tang json_object* cper_to_ir(const char* filename) 311b0b00e3SLawrence Tang { 321b0b00e3SLawrence Tang //Get a handle for the log file. 331b0b00e3SLawrence Tang FILE* cper_file = fopen(filename, "r"); 341b0b00e3SLawrence Tang if (cper_file == NULL) { 351b0b00e3SLawrence Tang printf("Could not open CPER record, file handle returned null."); 361b0b00e3SLawrence Tang return NULL; 371b0b00e3SLawrence Tang } 381b0b00e3SLawrence Tang 391b0b00e3SLawrence Tang //Ensure this is really a CPER log. 401b0b00e3SLawrence Tang EFI_COMMON_ERROR_RECORD_HEADER header; 411b0b00e3SLawrence Tang fseek(cper_file, 0, SEEK_SET); 421b0b00e3SLawrence Tang if (fread(&header, sizeof(EFI_COMMON_ERROR_RECORD_HEADER), 1, cper_file) != 1) 431b0b00e3SLawrence Tang { 441b0b00e3SLawrence Tang printf("Invalid CPER file: Invalid length (log too short)."); 451b0b00e3SLawrence Tang return NULL; 461b0b00e3SLawrence Tang } 471b0b00e3SLawrence Tang 481b0b00e3SLawrence Tang //Check if the header contains the magic bytes ("CPER"). 491b0b00e3SLawrence Tang if (header.SignatureStart != EFI_ERROR_RECORD_SIGNATURE_START) { 501b0b00e3SLawrence Tang printf("Invalid CPER file: Invalid header (incorrect signature)."); 511b0b00e3SLawrence Tang return NULL; 521b0b00e3SLawrence Tang } 531b0b00e3SLawrence Tang 541b0b00e3SLawrence Tang // //Print struct contents (debug). 551b0b00e3SLawrence Tang // fpos_t file_pos; 561b0b00e3SLawrence Tang // fgetpos(cper_file, &file_pos); 571b0b00e3SLawrence Tang // printf("Stream is at position %d.\n", file_pos); 581b0b00e3SLawrence Tang // printf("SignatureStart: %s\n", (char*)&header.SignatureStart); 591b0b00e3SLawrence Tang // printf("Revision: %u\n", header.Revision); 601b0b00e3SLawrence Tang // printf("SectionCount: %u\n", header.SectionCount); 611b0b00e3SLawrence Tang // printf("Severity: %d\n", header.ErrorSeverity); 621b0b00e3SLawrence Tang // printf("RecordLength: %d\n", header.RecordLength); 631b0b00e3SLawrence Tang 641b0b00e3SLawrence Tang //Create the header JSON object from the read bytes. 651b0b00e3SLawrence Tang json_object* header_ir = cper_header_to_ir(&header); 661b0b00e3SLawrence Tang 671b0b00e3SLawrence Tang //Read the appropriate number of section descriptors & sections, and convert them into IR format. 681b0b00e3SLawrence Tang json_object* section_descriptors_ir = json_object_new_array(); 691b0b00e3SLawrence Tang json_object* sections_ir = json_object_new_array(); 701b0b00e3SLawrence Tang for (int i=0; i<header.SectionCount; i++) 711b0b00e3SLawrence Tang { 721b0b00e3SLawrence Tang //Create the section descriptor. 731b0b00e3SLawrence Tang EFI_ERROR_SECTION_DESCRIPTOR section_descriptor; 741b0b00e3SLawrence Tang if (fread(§ion_descriptor, sizeof(EFI_ERROR_SECTION_DESCRIPTOR), 1, cper_file) != 1) 751b0b00e3SLawrence Tang { 761b0b00e3SLawrence Tang printf("Invalid number of section headers: Header states %d sections, could not read section %d.", header.SectionCount, i+1); 771b0b00e3SLawrence Tang return NULL; 781b0b00e3SLawrence Tang } 791b0b00e3SLawrence Tang json_object_array_add(section_descriptors_ir, cper_section_descriptor_to_ir(§ion_descriptor)); 801b0b00e3SLawrence Tang 811b0b00e3SLawrence Tang //Read the section itself. 821b0b00e3SLawrence Tang json_object_array_add(sections_ir, cper_section_to_ir(cper_file, §ion_descriptor)); 831b0b00e3SLawrence Tang } 841b0b00e3SLawrence Tang 851b0b00e3SLawrence Tang //Add the header, section descriptors, and sections to a parent object. 861b0b00e3SLawrence Tang json_object* parent = json_object_new_object(); 871b0b00e3SLawrence Tang json_object_object_add(parent, "header", header_ir); 881b0b00e3SLawrence Tang json_object_object_add(parent, "sectionDescriptors", section_descriptors_ir); 892800cd8eSLawrence Tang json_object_object_add(parent, "sections", sections_ir); 901b0b00e3SLawrence Tang 911b0b00e3SLawrence Tang //... 921b0b00e3SLawrence Tang return parent; 931b0b00e3SLawrence Tang } 941b0b00e3SLawrence Tang 951b0b00e3SLawrence Tang //Converts a parsed CPER record header into intermediate JSON object format. 961b0b00e3SLawrence Tang json_object* cper_header_to_ir(EFI_COMMON_ERROR_RECORD_HEADER* header) 971b0b00e3SLawrence Tang { 981b0b00e3SLawrence Tang json_object* header_ir = json_object_new_object(); 991b0b00e3SLawrence Tang 1001b0b00e3SLawrence Tang //Revision/version information. 1011b0b00e3SLawrence Tang json_object_object_add(header_ir, "revision", revision_to_ir(header->Revision)); 1021b0b00e3SLawrence Tang 1031b0b00e3SLawrence Tang //Section count. 1041b0b00e3SLawrence Tang json_object_object_add(header_ir, "sectionCount", json_object_new_int(header->SectionCount)); 1051b0b00e3SLawrence Tang 1061b0b00e3SLawrence Tang //Error severity (with interpreted string version). 1071b0b00e3SLawrence Tang json_object* error_severity = json_object_new_object(); 1081b0b00e3SLawrence Tang json_object_object_add(error_severity, "code", json_object_new_int(header->ErrorSeverity)); 1091b0b00e3SLawrence Tang json_object_object_add(error_severity, "name", json_object_new_string(severity_to_string(header->ErrorSeverity))); 1101b0b00e3SLawrence Tang json_object_object_add(header_ir, "severity", error_severity); 1111b0b00e3SLawrence Tang 1121b0b00e3SLawrence Tang //The validation bits for each section. 1132800cd8eSLawrence Tang json_object* validation_bits = bitfield_to_ir(header->ValidationBits, 3, CPER_HEADER_VALID_BITFIELD_NAMES); 1141b0b00e3SLawrence Tang json_object_object_add(header_ir, "validationBits", validation_bits); 1151b0b00e3SLawrence Tang 1161b0b00e3SLawrence Tang //Total length of the record (including headers) in bytes. 1171b0b00e3SLawrence Tang json_object_object_add(header_ir, "recordLength", json_object_new_int(header->RecordLength)); 1181b0b00e3SLawrence Tang 1191b0b00e3SLawrence Tang //If a timestamp exists according to validation bits, then add it. 1201b0b00e3SLawrence Tang if (header->ValidationBits & 0b10) 1211b0b00e3SLawrence Tang { 1221b0b00e3SLawrence Tang char timestamp_string[TIMESTAMP_LENGTH]; 1231b0b00e3SLawrence Tang sprintf(timestamp_string, "%02d%02d-%02d-%02dT%02d:%02d:%02d.000", 1241b0b00e3SLawrence Tang header->TimeStamp.Century, 1251b0b00e3SLawrence Tang header->TimeStamp.Year, 1261b0b00e3SLawrence Tang header->TimeStamp.Month, 1271b0b00e3SLawrence Tang header->TimeStamp.Day, 1281b0b00e3SLawrence Tang header->TimeStamp.Hours, 1291b0b00e3SLawrence Tang header->TimeStamp.Minutes, 1301b0b00e3SLawrence Tang header->TimeStamp.Seconds); 1311b0b00e3SLawrence Tang 1321b0b00e3SLawrence Tang json_object_object_add(header_ir, "timestamp", json_object_new_string(timestamp_string)); 1331b0b00e3SLawrence Tang json_object_object_add(header_ir, "timestampIsPrecise", json_object_new_boolean(header->TimeStamp.Flag)); 1341b0b00e3SLawrence Tang } 1351b0b00e3SLawrence Tang 1361b0b00e3SLawrence Tang //If a platform ID exists according to the validation bits, then add it. 1371b0b00e3SLawrence Tang if (header->ValidationBits & 0b1) 1381b0b00e3SLawrence Tang { 1391b0b00e3SLawrence Tang char platform_string[GUID_STRING_LENGTH]; 1401b0b00e3SLawrence Tang guid_to_string(platform_string, &header->PlatformID); 1411b0b00e3SLawrence Tang json_object_object_add(header_ir, "platformID", json_object_new_string(platform_string)); 1421b0b00e3SLawrence Tang } 1431b0b00e3SLawrence Tang 1441b0b00e3SLawrence Tang //If a partition ID exists according to the validation bits, then add it. 1451b0b00e3SLawrence Tang if (header->ValidationBits & 0b100) 1461b0b00e3SLawrence Tang { 1471b0b00e3SLawrence Tang char partition_string[GUID_STRING_LENGTH]; 1481b0b00e3SLawrence Tang guid_to_string(partition_string, &header->PartitionID); 1491b0b00e3SLawrence Tang json_object_object_add(header_ir, "partitionID", json_object_new_string(partition_string)); 1501b0b00e3SLawrence Tang } 1511b0b00e3SLawrence Tang 1521b0b00e3SLawrence Tang //Creator ID of the header. 1531b0b00e3SLawrence Tang char creator_string[GUID_STRING_LENGTH]; 1541b0b00e3SLawrence Tang guid_to_string(creator_string, &header->CreatorID); 1551b0b00e3SLawrence Tang json_object_object_add(header_ir, "creatorID", json_object_new_string(creator_string)); 1561b0b00e3SLawrence Tang 1571b0b00e3SLawrence Tang //Notification type for the header. Some defined types are available. 1581b0b00e3SLawrence Tang json_object* notification_type = json_object_new_object(); 1591b0b00e3SLawrence Tang char notification_type_string[GUID_STRING_LENGTH]; 1601b0b00e3SLawrence Tang guid_to_string(notification_type_string, &header->NotificationType); 1611b0b00e3SLawrence Tang json_object_object_add(notification_type, "guid", json_object_new_string(notification_type_string)); 1621b0b00e3SLawrence Tang 1631b0b00e3SLawrence Tang //Add the human readable notification type if possible. 1641b0b00e3SLawrence Tang char* notification_type_readable = "Unknown"; 1651b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeCmcGuid)) 1661b0b00e3SLawrence Tang notification_type_readable = "CMC"; 167794312c8SLawrence Tang else if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeCpeGuid)) 1681b0b00e3SLawrence Tang notification_type_readable = "CPE"; 169794312c8SLawrence Tang else if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeMceGuid)) 1701b0b00e3SLawrence Tang notification_type_readable = "MCE"; 171794312c8SLawrence Tang else if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypePcieGuid)) 1721b0b00e3SLawrence Tang notification_type_readable = "PCIe"; 173794312c8SLawrence Tang else if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeInitGuid)) 1741b0b00e3SLawrence Tang notification_type_readable = "INIT"; 175794312c8SLawrence Tang else if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeNmiGuid)) 1761b0b00e3SLawrence Tang notification_type_readable = "NMI"; 177794312c8SLawrence Tang else if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeBootGuid)) 1781b0b00e3SLawrence Tang notification_type_readable = "Boot"; 179794312c8SLawrence Tang else if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeDmarGuid)) 1801b0b00e3SLawrence Tang notification_type_readable = "DMAr"; 181794312c8SLawrence Tang else if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeSeaGuid)) 1821b0b00e3SLawrence Tang notification_type_readable = "SEA"; 183794312c8SLawrence Tang else if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeSeiGuid)) 1841b0b00e3SLawrence Tang notification_type_readable = "SEI"; 185794312c8SLawrence Tang else if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypePeiGuid)) 1861b0b00e3SLawrence Tang notification_type_readable = "PEI"; 187794312c8SLawrence Tang else if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeCxlGuid)) 1881b0b00e3SLawrence Tang notification_type_readable = "CXL Component"; 1891b0b00e3SLawrence Tang json_object_object_add(notification_type, "type", json_object_new_string(notification_type_readable)); 1901b0b00e3SLawrence Tang json_object_object_add(header_ir, "notificationType", notification_type); 1911b0b00e3SLawrence Tang 1921b0b00e3SLawrence Tang //The record ID for this record, unique on a given system. 1931b0b00e3SLawrence Tang json_object_object_add(header_ir, "recordID", json_object_new_uint64(header->RecordID)); 1941b0b00e3SLawrence Tang 1951b0b00e3SLawrence Tang //Flag for the record, and a human readable form. 1963c43f743SLawrence Tang json_object* flags = integer_to_readable_pair(header->Flags, 1973c43f743SLawrence Tang sizeof(CPER_HEADER_FLAG_TYPES_KEYS) / sizeof(int), 1983c43f743SLawrence Tang CPER_HEADER_FLAG_TYPES_KEYS, 1993c43f743SLawrence Tang CPER_HEADER_FLAG_TYPES_VALUES, 2003c43f743SLawrence Tang "Unknown"); 2011b0b00e3SLawrence Tang json_object_object_add(header_ir, "flags", flags); 2021b0b00e3SLawrence Tang 2031b0b00e3SLawrence Tang //Persistence information. Outside the scope of specification, so just a uint32 here. 2041b0b00e3SLawrence Tang json_object_object_add(header_ir, "persistenceInformation", json_object_new_uint64(header->PersistenceInfo)); 2051b0b00e3SLawrence Tang return header_ir; 2061b0b00e3SLawrence Tang } 2071b0b00e3SLawrence Tang 2081b0b00e3SLawrence Tang //Converts the given EFI section descriptor into JSON IR format. 2091b0b00e3SLawrence Tang json_object* cper_section_descriptor_to_ir(EFI_ERROR_SECTION_DESCRIPTOR* section_descriptor) 2101b0b00e3SLawrence Tang { 2111b0b00e3SLawrence Tang json_object* section_descriptor_ir = json_object_new_object(); 2121b0b00e3SLawrence Tang 2131b0b00e3SLawrence Tang //The offset of the section from the base of the record header, length. 2141b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "sectionOffset", json_object_new_int(section_descriptor->SectionOffset)); 2151b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "sectionLength", json_object_new_int(section_descriptor->SectionLength)); 2161b0b00e3SLawrence Tang 2171b0b00e3SLawrence Tang //Revision. 2181b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "revision", revision_to_ir(section_descriptor->Revision)); 2191b0b00e3SLawrence Tang 2201b0b00e3SLawrence Tang //Validation bits. 2211b0b00e3SLawrence Tang json_object* validation_bits = json_object_new_object(); 2221b0b00e3SLawrence Tang json_object_object_add(validation_bits, "fruID", json_object_new_boolean(section_descriptor->SecValidMask & 0b1)); 2231b0b00e3SLawrence Tang json_object_object_add(validation_bits, "fruString", json_object_new_boolean((section_descriptor->SecValidMask & 0b10) >> 1)); 2241b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "validationBits", validation_bits); 2251b0b00e3SLawrence Tang 2261b0b00e3SLawrence Tang //Flag bits. 2272800cd8eSLawrence Tang json_object* flags = bitfield_to_ir(section_descriptor->SectionFlags, 8, CPER_SECTION_DESCRIPTOR_FLAGS_BITFIELD_NAMES); 2281b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "flags", flags); 2291b0b00e3SLawrence Tang 2301b0b00e3SLawrence Tang //Section type (GUID). 2311b0b00e3SLawrence Tang json_object* section_type = json_object_new_object(); 2321b0b00e3SLawrence Tang char section_type_string[GUID_STRING_LENGTH]; 2331b0b00e3SLawrence Tang guid_to_string(section_type_string, §ion_descriptor->SectionType); 2341b0b00e3SLawrence Tang json_object_object_add(section_type, "data", json_object_new_string(section_type_string)); 2351b0b00e3SLawrence Tang 2361b0b00e3SLawrence Tang //Readable section type, if possible. 2371b0b00e3SLawrence Tang char* section_type_readable = "Unknown"; 2381b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiProcessorGenericErrorSectionGuid)) 2391b0b00e3SLawrence Tang section_type_readable = "Processor Generic"; 2401b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiIa32X64ProcessorErrorSectionGuid)) 2411b0b00e3SLawrence Tang section_type_readable = "IA32/X64"; 2421b0b00e3SLawrence Tang //todo: Why does IPF have an overly long GUID? 2431b0b00e3SLawrence Tang // if (guid_equal(§ion_descriptor->SectionType, &gEfiIpfProcessorErrorSectionGuid)) 2441b0b00e3SLawrence Tang // section_type_readable = "IPF"; 2451b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiArmProcessorErrorSectionGuid)) 2461b0b00e3SLawrence Tang section_type_readable = "ARM"; 2471b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiPlatformMemoryErrorSectionGuid)) 2481b0b00e3SLawrence Tang section_type_readable = "Platform Memory"; 2491b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiPcieErrorSectionGuid)) 2501b0b00e3SLawrence Tang section_type_readable = "PCIe"; 2511b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiFirmwareErrorSectionGuid)) 2521b0b00e3SLawrence Tang section_type_readable = "Firmware Error Record Reference"; 2531b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiPciBusErrorSectionGuid)) 2541b0b00e3SLawrence Tang section_type_readable = "PCI/PCI-X Bus"; 2551b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiPciDevErrorSectionGuid)) 2561b0b00e3SLawrence Tang section_type_readable = "PCI Component/Device"; 2571b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiDMArGenericErrorSectionGuid)) 2581b0b00e3SLawrence Tang section_type_readable = "DMAr Generic"; 2591b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiDirectedIoDMArErrorSectionGuid)) 2601b0b00e3SLawrence Tang section_type_readable = "Intel VT for Directed I/O specific DMAr section"; 2611b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiIommuDMArErrorSectionGuid)) 2621b0b00e3SLawrence Tang section_type_readable = "IOMMU specific DMAr section"; 2631b0b00e3SLawrence Tang 2641b0b00e3SLawrence Tang //todo: How do you determine if this is a CXL component event? 2651b0b00e3SLawrence Tang // if (guid_equal(§ion_descriptor->SectionType, &gEfiProcessorGenericErrorSectionGuid)) 2661b0b00e3SLawrence Tang // section_type_readable = "CXL Component Event"; 2671b0b00e3SLawrence Tang 2681b0b00e3SLawrence Tang json_object_object_add(section_type, "type", json_object_new_string(section_type_readable)); 2691b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "sectionType", section_type); 2701b0b00e3SLawrence Tang 2711b0b00e3SLawrence Tang //If validation bits indicate it exists, add FRU ID. 2721b0b00e3SLawrence Tang if (section_descriptor->SecValidMask & 0b1) 2731b0b00e3SLawrence Tang { 2741b0b00e3SLawrence Tang char fru_id_string[GUID_STRING_LENGTH]; 2751b0b00e3SLawrence Tang guid_to_string(fru_id_string, §ion_descriptor->FruId); 2761b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "fruID", 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) 2811b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "fruText", json_object_new_string(section_descriptor->FruString)); 2821b0b00e3SLawrence Tang 2831b0b00e3SLawrence Tang //Section severity. 2841b0b00e3SLawrence Tang json_object* section_severity = json_object_new_object(); 2851b0b00e3SLawrence Tang json_object_object_add(section_severity, "code", json_object_new_int(section_descriptor->Severity)); 2861b0b00e3SLawrence Tang json_object_object_add(section_severity, "name", json_object_new_string(severity_to_string(section_descriptor->Severity))); 2871b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "severity", section_severity); 2881b0b00e3SLawrence Tang 2891b0b00e3SLawrence Tang return section_descriptor_ir; 2901b0b00e3SLawrence Tang } 2911b0b00e3SLawrence Tang 2921b0b00e3SLawrence Tang 2931b0b00e3SLawrence Tang //Converts the section described by a single given section descriptor. 2941b0b00e3SLawrence Tang json_object* cper_section_to_ir(FILE* handle, EFI_ERROR_SECTION_DESCRIPTOR* descriptor) 2951b0b00e3SLawrence Tang { 2961b0b00e3SLawrence Tang //Read section as described by the section descriptor. 2971b0b00e3SLawrence Tang fseek(handle, descriptor->SectionOffset, SEEK_SET); 2982800cd8eSLawrence Tang void* section = calloc(1, descriptor->SectionLength); 2991b0b00e3SLawrence Tang if (fread(section, descriptor->SectionLength, 1, handle) != 1) 3001b0b00e3SLawrence Tang { 3011b0b00e3SLawrence Tang printf("Section read failed: Could not read %d bytes from global offset %d.", 3021b0b00e3SLawrence Tang descriptor->SectionLength, 3031b0b00e3SLawrence Tang descriptor->SectionOffset); 3041b0b00e3SLawrence Tang } 3051b0b00e3SLawrence Tang 3061b0b00e3SLawrence Tang json_object* result = NULL; 3071b0b00e3SLawrence Tang if (guid_equal(&descriptor->SectionType, &gEfiProcessorGenericErrorSectionGuid)) 3082800cd8eSLawrence Tang result = cper_section_generic_to_ir(section, descriptor); 3092800cd8eSLawrence Tang else if (guid_equal(&descriptor->SectionType, &gEfiIa32X64ProcessorErrorSectionGuid)) 3102800cd8eSLawrence Tang result = cper_section_ia32x64_to_ir(section, descriptor); 3111b0b00e3SLawrence Tang // //todo: Why does IPF have an overly long GUID? 3121b0b00e3SLawrence Tang // // if (guid_equal(&descriptor->SectionType, &gEfiIpfProcessorErrorSectionGuid)) 3132800cd8eSLawrence Tang else if (guid_equal(&descriptor->SectionType, &gEfiArmProcessorErrorSectionGuid)) 3142800cd8eSLawrence Tang result = cper_section_arm_to_ir(section, descriptor); 315a0865e38SLawrence Tang else if (guid_equal(&descriptor->SectionType, &gEfiPlatformMemoryErrorSectionGuid)) 316a0865e38SLawrence Tang result = cper_section_platform_memory_to_ir(section, descriptor); 31754da4414SLawrence Tang else if (guid_equal(&descriptor->SectionType, &gEfiPlatformMemoryError2SectionGuid)) 31854da4414SLawrence Tang result = cper_section_platform_memory2_to_ir(section, descriptor); 3194dbe3d72SLawrence Tang else if (guid_equal(&descriptor->SectionType, &gEfiPcieErrorSectionGuid)) 3204dbe3d72SLawrence Tang result = cper_section_pcie_to_ir(section, descriptor); 321c60a243eSLawrence Tang else if (guid_equal(&descriptor->SectionType, &gEfiFirmwareErrorSectionGuid)) 322c60a243eSLawrence Tang result = cper_section_firmware_to_ir(section, descriptor); 323214a1542SLawrence Tang else if (guid_equal(&descriptor->SectionType, &gEfiPciBusErrorSectionGuid)) 324214a1542SLawrence Tang result = cper_section_pci_bus_to_ir(section, descriptor); 325a416ec93SLawrence Tang else if (guid_equal(&descriptor->SectionType, &gEfiPciDevErrorSectionGuid)) 326a416ec93SLawrence Tang result = cper_section_pci_dev_to_ir(section, descriptor); 327*4795d4aeSLawrence Tang else if (guid_equal(&descriptor->SectionType, &gEfiDMArGenericErrorSectionGuid)) 328*4795d4aeSLawrence Tang result = cper_section_dmar_generic_to_ir(section, descriptor); 3291b0b00e3SLawrence Tang // if (guid_equal(&descriptor->SectionType, &gEfiDirectedIoDMArErrorSectionGuid)) 3302800cd8eSLawrence Tang // result = cper_section_intel_io_dma_to_ir(section); 3311b0b00e3SLawrence Tang // if (guid_equal(&descriptor->SectionType, &gEfiIommuDMArErrorSectionGuid)) 3322800cd8eSLawrence Tang // result = cper_section_iommu_dma_to_ir(section); 3331b0b00e3SLawrence Tang 3341b0b00e3SLawrence Tang //Free section memory, return result. 3351b0b00e3SLawrence Tang free(section); 3361b0b00e3SLawrence Tang return result; 3371b0b00e3SLawrence Tang }