1*1b0b00e3SLawrence Tang /** 2*1b0b00e3SLawrence Tang * Describes functions for parsing CPER headers and section descriptions 3*1b0b00e3SLawrence Tang * into an intermediate JSON format. 4*1b0b00e3SLawrence Tang * 5*1b0b00e3SLawrence Tang * Author: Lawrence.Tang@arm.com 6*1b0b00e3SLawrence Tang **/ 7*1b0b00e3SLawrence Tang 8*1b0b00e3SLawrence Tang #include <stdio.h> 9*1b0b00e3SLawrence Tang #include "json.h" 10*1b0b00e3SLawrence Tang #include "edk/Cper.h" 11*1b0b00e3SLawrence Tang #include "cper-parse.h" 12*1b0b00e3SLawrence Tang #include "cper-utils.h" 13*1b0b00e3SLawrence Tang #include "sections/cper-section-generic.h" 14*1b0b00e3SLawrence Tang 15*1b0b00e3SLawrence Tang //Private pre-definitions. 16*1b0b00e3SLawrence Tang json_object* cper_header_to_ir(EFI_COMMON_ERROR_RECORD_HEADER* header); 17*1b0b00e3SLawrence Tang json_object* cper_section_descriptor_to_ir(EFI_ERROR_SECTION_DESCRIPTOR* section_descriptor); 18*1b0b00e3SLawrence Tang json_object* cper_section_to_ir(FILE* handle, EFI_ERROR_SECTION_DESCRIPTOR* descriptor); 19*1b0b00e3SLawrence Tang 20*1b0b00e3SLawrence Tang //Reads a CPER log file at the given file location, and returns an intermediate 21*1b0b00e3SLawrence Tang //JSON representation of this CPER record. 22*1b0b00e3SLawrence Tang json_object* cper_to_ir(const char* filename) 23*1b0b00e3SLawrence Tang { 24*1b0b00e3SLawrence Tang //Get a handle for the log file. 25*1b0b00e3SLawrence Tang FILE* cper_file = fopen(filename, "r"); 26*1b0b00e3SLawrence Tang if (cper_file == NULL) { 27*1b0b00e3SLawrence Tang printf("Could not open CPER record, file handle returned null."); 28*1b0b00e3SLawrence Tang return NULL; 29*1b0b00e3SLawrence Tang } 30*1b0b00e3SLawrence Tang 31*1b0b00e3SLawrence Tang //Ensure this is really a CPER log. 32*1b0b00e3SLawrence Tang EFI_COMMON_ERROR_RECORD_HEADER header; 33*1b0b00e3SLawrence Tang fseek(cper_file, 0, SEEK_SET); 34*1b0b00e3SLawrence Tang if (fread(&header, sizeof(EFI_COMMON_ERROR_RECORD_HEADER), 1, cper_file) != 1) 35*1b0b00e3SLawrence Tang { 36*1b0b00e3SLawrence Tang printf("Invalid CPER file: Invalid length (log too short)."); 37*1b0b00e3SLawrence Tang return NULL; 38*1b0b00e3SLawrence Tang } 39*1b0b00e3SLawrence Tang 40*1b0b00e3SLawrence Tang //Check if the header contains the magic bytes ("CPER"). 41*1b0b00e3SLawrence Tang if (header.SignatureStart != EFI_ERROR_RECORD_SIGNATURE_START) { 42*1b0b00e3SLawrence Tang printf("Invalid CPER file: Invalid header (incorrect signature)."); 43*1b0b00e3SLawrence Tang return NULL; 44*1b0b00e3SLawrence Tang } 45*1b0b00e3SLawrence Tang 46*1b0b00e3SLawrence Tang // //Print struct contents (debug). 47*1b0b00e3SLawrence Tang // fpos_t file_pos; 48*1b0b00e3SLawrence Tang // fgetpos(cper_file, &file_pos); 49*1b0b00e3SLawrence Tang // printf("Stream is at position %d.\n", file_pos); 50*1b0b00e3SLawrence Tang // printf("SignatureStart: %s\n", (char*)&header.SignatureStart); 51*1b0b00e3SLawrence Tang // printf("Revision: %u\n", header.Revision); 52*1b0b00e3SLawrence Tang // printf("SectionCount: %u\n", header.SectionCount); 53*1b0b00e3SLawrence Tang // printf("Severity: %d\n", header.ErrorSeverity); 54*1b0b00e3SLawrence Tang // printf("RecordLength: %d\n", header.RecordLength); 55*1b0b00e3SLawrence Tang 56*1b0b00e3SLawrence Tang //Create the header JSON object from the read bytes. 57*1b0b00e3SLawrence Tang json_object* header_ir = cper_header_to_ir(&header); 58*1b0b00e3SLawrence Tang 59*1b0b00e3SLawrence Tang //Read the appropriate number of section descriptors & sections, and convert them into IR format. 60*1b0b00e3SLawrence Tang json_object* section_descriptors_ir = json_object_new_array(); 61*1b0b00e3SLawrence Tang json_object* sections_ir = json_object_new_array(); 62*1b0b00e3SLawrence Tang for (int i=0; i<header.SectionCount; i++) 63*1b0b00e3SLawrence Tang { 64*1b0b00e3SLawrence Tang //Create the section descriptor. 65*1b0b00e3SLawrence Tang EFI_ERROR_SECTION_DESCRIPTOR section_descriptor; 66*1b0b00e3SLawrence Tang if (fread(§ion_descriptor, sizeof(EFI_ERROR_SECTION_DESCRIPTOR), 1, cper_file) != 1) 67*1b0b00e3SLawrence Tang { 68*1b0b00e3SLawrence Tang printf("Invalid number of section headers: Header states %d sections, could not read section %d.", header.SectionCount, i+1); 69*1b0b00e3SLawrence Tang return NULL; 70*1b0b00e3SLawrence Tang } 71*1b0b00e3SLawrence Tang json_object_array_add(section_descriptors_ir, cper_section_descriptor_to_ir(§ion_descriptor)); 72*1b0b00e3SLawrence Tang 73*1b0b00e3SLawrence Tang //Read the section itself. 74*1b0b00e3SLawrence Tang json_object_array_add(sections_ir, cper_section_to_ir(cper_file, §ion_descriptor)); 75*1b0b00e3SLawrence Tang } 76*1b0b00e3SLawrence Tang 77*1b0b00e3SLawrence Tang //Add the header, section descriptors, and sections to a parent object. 78*1b0b00e3SLawrence Tang json_object* parent = json_object_new_object(); 79*1b0b00e3SLawrence Tang json_object_object_add(parent, "header", header_ir); 80*1b0b00e3SLawrence Tang json_object_object_add(parent, "sectionDescriptors", section_descriptors_ir); 81*1b0b00e3SLawrence Tang 82*1b0b00e3SLawrence Tang //... 83*1b0b00e3SLawrence Tang return parent; 84*1b0b00e3SLawrence Tang } 85*1b0b00e3SLawrence Tang 86*1b0b00e3SLawrence Tang //Converts a parsed CPER record header into intermediate JSON object format. 87*1b0b00e3SLawrence Tang json_object* cper_header_to_ir(EFI_COMMON_ERROR_RECORD_HEADER* header) 88*1b0b00e3SLawrence Tang { 89*1b0b00e3SLawrence Tang json_object* header_ir = json_object_new_object(); 90*1b0b00e3SLawrence Tang 91*1b0b00e3SLawrence Tang //Revision/version information. 92*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "revision", revision_to_ir(header->Revision)); 93*1b0b00e3SLawrence Tang 94*1b0b00e3SLawrence Tang //Section count. 95*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "sectionCount", json_object_new_int(header->SectionCount)); 96*1b0b00e3SLawrence Tang 97*1b0b00e3SLawrence Tang //Error severity (with interpreted string version). 98*1b0b00e3SLawrence Tang json_object* error_severity = json_object_new_object(); 99*1b0b00e3SLawrence Tang json_object_object_add(error_severity, "code", json_object_new_int(header->ErrorSeverity)); 100*1b0b00e3SLawrence Tang json_object_object_add(error_severity, "name", json_object_new_string(severity_to_string(header->ErrorSeverity))); 101*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "severity", error_severity); 102*1b0b00e3SLawrence Tang 103*1b0b00e3SLawrence Tang //The validation bits for each section. 104*1b0b00e3SLawrence Tang json_object* validation_bits = json_object_new_object(); 105*1b0b00e3SLawrence Tang json_object_object_add(validation_bits, "platformID", json_object_new_boolean(header->ValidationBits & 0b1)); 106*1b0b00e3SLawrence Tang json_object_object_add(validation_bits, "timestamp", json_object_new_boolean(header->ValidationBits & 0b10 >> 1)); 107*1b0b00e3SLawrence Tang json_object_object_add(validation_bits, "partitionID", json_object_new_boolean(header->ValidationBits & 0b100 >> 2)); 108*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "validationBits", validation_bits); 109*1b0b00e3SLawrence Tang 110*1b0b00e3SLawrence Tang //Total length of the record (including headers) in bytes. 111*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "recordLength", json_object_new_int(header->RecordLength)); 112*1b0b00e3SLawrence Tang 113*1b0b00e3SLawrence Tang //If a timestamp exists according to validation bits, then add it. 114*1b0b00e3SLawrence Tang if (header->ValidationBits & 0b10) 115*1b0b00e3SLawrence Tang { 116*1b0b00e3SLawrence Tang char timestamp_string[TIMESTAMP_LENGTH]; 117*1b0b00e3SLawrence Tang sprintf(timestamp_string, "%02d%02d-%02d-%02dT%02d:%02d:%02d.000", 118*1b0b00e3SLawrence Tang header->TimeStamp.Century, 119*1b0b00e3SLawrence Tang header->TimeStamp.Year, 120*1b0b00e3SLawrence Tang header->TimeStamp.Month, 121*1b0b00e3SLawrence Tang header->TimeStamp.Day, 122*1b0b00e3SLawrence Tang header->TimeStamp.Hours, 123*1b0b00e3SLawrence Tang header->TimeStamp.Minutes, 124*1b0b00e3SLawrence Tang header->TimeStamp.Seconds); 125*1b0b00e3SLawrence Tang 126*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "timestamp", json_object_new_string(timestamp_string)); 127*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "timestampIsPrecise", json_object_new_boolean(header->TimeStamp.Flag)); 128*1b0b00e3SLawrence Tang } 129*1b0b00e3SLawrence Tang 130*1b0b00e3SLawrence Tang //If a platform ID exists according to the validation bits, then add it. 131*1b0b00e3SLawrence Tang if (header->ValidationBits & 0b1) 132*1b0b00e3SLawrence Tang { 133*1b0b00e3SLawrence Tang char platform_string[GUID_STRING_LENGTH]; 134*1b0b00e3SLawrence Tang guid_to_string(platform_string, &header->PlatformID); 135*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "platformID", json_object_new_string(platform_string)); 136*1b0b00e3SLawrence Tang } 137*1b0b00e3SLawrence Tang 138*1b0b00e3SLawrence Tang //If a partition ID exists according to the validation bits, then add it. 139*1b0b00e3SLawrence Tang if (header->ValidationBits & 0b100) 140*1b0b00e3SLawrence Tang { 141*1b0b00e3SLawrence Tang char partition_string[GUID_STRING_LENGTH]; 142*1b0b00e3SLawrence Tang guid_to_string(partition_string, &header->PartitionID); 143*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "partitionID", json_object_new_string(partition_string)); 144*1b0b00e3SLawrence Tang } 145*1b0b00e3SLawrence Tang 146*1b0b00e3SLawrence Tang //Creator ID of the header. 147*1b0b00e3SLawrence Tang char creator_string[GUID_STRING_LENGTH]; 148*1b0b00e3SLawrence Tang guid_to_string(creator_string, &header->CreatorID); 149*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "creatorID", json_object_new_string(creator_string)); 150*1b0b00e3SLawrence Tang 151*1b0b00e3SLawrence Tang //Notification type for the header. Some defined types are available. 152*1b0b00e3SLawrence Tang json_object* notification_type = json_object_new_object(); 153*1b0b00e3SLawrence Tang char notification_type_string[GUID_STRING_LENGTH]; 154*1b0b00e3SLawrence Tang guid_to_string(notification_type_string, &header->NotificationType); 155*1b0b00e3SLawrence Tang json_object_object_add(notification_type, "guid", json_object_new_string(notification_type_string)); 156*1b0b00e3SLawrence Tang 157*1b0b00e3SLawrence Tang //Add the human readable notification type if possible. 158*1b0b00e3SLawrence Tang char* notification_type_readable = "Unknown"; 159*1b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeCmcGuid)) 160*1b0b00e3SLawrence Tang notification_type_readable = "CMC"; 161*1b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeCpeGuid)) 162*1b0b00e3SLawrence Tang notification_type_readable = "CPE"; 163*1b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeMceGuid)) 164*1b0b00e3SLawrence Tang notification_type_readable = "MCE"; 165*1b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypePcieGuid)) 166*1b0b00e3SLawrence Tang notification_type_readable = "PCIe"; 167*1b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeInitGuid)) 168*1b0b00e3SLawrence Tang notification_type_readable = "INIT"; 169*1b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeNmiGuid)) 170*1b0b00e3SLawrence Tang notification_type_readable = "NMI"; 171*1b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeBootGuid)) 172*1b0b00e3SLawrence Tang notification_type_readable = "Boot"; 173*1b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeDmarGuid)) 174*1b0b00e3SLawrence Tang notification_type_readable = "DMAr"; 175*1b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeSeaGuid)) 176*1b0b00e3SLawrence Tang notification_type_readable = "SEA"; 177*1b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeSeiGuid)) 178*1b0b00e3SLawrence Tang notification_type_readable = "SEI"; 179*1b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypePeiGuid)) 180*1b0b00e3SLawrence Tang notification_type_readable = "PEI"; 181*1b0b00e3SLawrence Tang if (guid_equal(&header->NotificationType, &gEfiEventNotificationTypeCxlGuid)) 182*1b0b00e3SLawrence Tang notification_type_readable = "CXL Component"; 183*1b0b00e3SLawrence Tang json_object_object_add(notification_type, "type", json_object_new_string(notification_type_readable)); 184*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "notificationType", notification_type); 185*1b0b00e3SLawrence Tang 186*1b0b00e3SLawrence Tang //The record ID for this record, unique on a given system. 187*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "recordID", json_object_new_uint64(header->RecordID)); 188*1b0b00e3SLawrence Tang 189*1b0b00e3SLawrence Tang //Flag for the record, and a human readable form. 190*1b0b00e3SLawrence Tang json_object* flags = json_object_new_object(); 191*1b0b00e3SLawrence Tang json_object_object_add(flags, "value", json_object_new_int(header->Flags)); 192*1b0b00e3SLawrence Tang char* flags_readable = "Unknown"; 193*1b0b00e3SLawrence Tang switch (header->Flags) 194*1b0b00e3SLawrence Tang { 195*1b0b00e3SLawrence Tang case 1: 196*1b0b00e3SLawrence Tang flags_readable = "HW_ERROR_FLAGS_RECOVERED"; 197*1b0b00e3SLawrence Tang break; 198*1b0b00e3SLawrence Tang case 2: 199*1b0b00e3SLawrence Tang flags_readable = "HW_ERROR_FLAGS_PREVERR"; 200*1b0b00e3SLawrence Tang break; 201*1b0b00e3SLawrence Tang case 3: 202*1b0b00e3SLawrence Tang flags_readable = "HW_ERROR_FLAGS_SIMULATED"; 203*1b0b00e3SLawrence Tang break; 204*1b0b00e3SLawrence Tang 205*1b0b00e3SLawrence Tang } 206*1b0b00e3SLawrence Tang json_object_object_add(flags, "type", json_object_new_string(flags_readable)); 207*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "flags", flags); 208*1b0b00e3SLawrence Tang 209*1b0b00e3SLawrence Tang //Persistence information. Outside the scope of specification, so just a uint32 here. 210*1b0b00e3SLawrence Tang json_object_object_add(header_ir, "persistenceInformation", json_object_new_uint64(header->PersistenceInfo)); 211*1b0b00e3SLawrence Tang return header_ir; 212*1b0b00e3SLawrence Tang } 213*1b0b00e3SLawrence Tang 214*1b0b00e3SLawrence Tang //Converts the given EFI section descriptor into JSON IR format. 215*1b0b00e3SLawrence Tang json_object* cper_section_descriptor_to_ir(EFI_ERROR_SECTION_DESCRIPTOR* section_descriptor) 216*1b0b00e3SLawrence Tang { 217*1b0b00e3SLawrence Tang json_object* section_descriptor_ir = json_object_new_object(); 218*1b0b00e3SLawrence Tang 219*1b0b00e3SLawrence Tang //The offset of the section from the base of the record header, length. 220*1b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "sectionOffset", json_object_new_int(section_descriptor->SectionOffset)); 221*1b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "sectionLength", json_object_new_int(section_descriptor->SectionLength)); 222*1b0b00e3SLawrence Tang 223*1b0b00e3SLawrence Tang //Revision. 224*1b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "revision", revision_to_ir(section_descriptor->Revision)); 225*1b0b00e3SLawrence Tang 226*1b0b00e3SLawrence Tang //Validation bits. 227*1b0b00e3SLawrence Tang json_object* validation_bits = json_object_new_object(); 228*1b0b00e3SLawrence Tang json_object_object_add(validation_bits, "fruID", json_object_new_boolean(section_descriptor->SecValidMask & 0b1)); 229*1b0b00e3SLawrence Tang json_object_object_add(validation_bits, "fruString", json_object_new_boolean((section_descriptor->SecValidMask & 0b10) >> 1)); 230*1b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "validationBits", validation_bits); 231*1b0b00e3SLawrence Tang 232*1b0b00e3SLawrence Tang //Flag bits. 233*1b0b00e3SLawrence Tang json_object* flags = json_object_new_object(); 234*1b0b00e3SLawrence Tang json_object_object_add(flags, "primary", json_object_new_boolean(section_descriptor->SectionFlags >> 31)); 235*1b0b00e3SLawrence Tang json_object_object_add(flags, "containmentWarning", json_object_new_boolean((section_descriptor->SectionFlags >> 30) & 0b1)); 236*1b0b00e3SLawrence Tang json_object_object_add(flags, "reset", json_object_new_boolean((section_descriptor->SectionFlags >> 29) & 0b1)); 237*1b0b00e3SLawrence Tang json_object_object_add(flags, "errorThresholdExceeded", json_object_new_boolean((section_descriptor->SectionFlags >> 28) & 0b1)); 238*1b0b00e3SLawrence Tang json_object_object_add(flags, "resourceNotAccessible", json_object_new_boolean((section_descriptor->SectionFlags >> 27) & 0b1)); 239*1b0b00e3SLawrence Tang json_object_object_add(flags, "latentError", json_object_new_boolean((section_descriptor->SectionFlags >> 26) & 0b1)); 240*1b0b00e3SLawrence Tang json_object_object_add(flags, "propagated", json_object_new_boolean((section_descriptor->SectionFlags >> 25) & 0b1)); 241*1b0b00e3SLawrence Tang json_object_object_add(flags, "overflow", json_object_new_boolean((section_descriptor->SectionFlags >> 24) & 0b1)); 242*1b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "flags", flags); 243*1b0b00e3SLawrence Tang 244*1b0b00e3SLawrence Tang //Section type (GUID). 245*1b0b00e3SLawrence Tang json_object* section_type = json_object_new_object(); 246*1b0b00e3SLawrence Tang char section_type_string[GUID_STRING_LENGTH]; 247*1b0b00e3SLawrence Tang guid_to_string(section_type_string, §ion_descriptor->SectionType); 248*1b0b00e3SLawrence Tang json_object_object_add(section_type, "data", json_object_new_string(section_type_string)); 249*1b0b00e3SLawrence Tang 250*1b0b00e3SLawrence Tang //Readable section type, if possible. 251*1b0b00e3SLawrence Tang char* section_type_readable = "Unknown"; 252*1b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiProcessorGenericErrorSectionGuid)) 253*1b0b00e3SLawrence Tang section_type_readable = "Processor Generic"; 254*1b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiIa32X64ProcessorErrorSectionGuid)) 255*1b0b00e3SLawrence Tang section_type_readable = "IA32/X64"; 256*1b0b00e3SLawrence Tang //todo: Why does IPF have an overly long GUID? 257*1b0b00e3SLawrence Tang // if (guid_equal(§ion_descriptor->SectionType, &gEfiIpfProcessorErrorSectionGuid)) 258*1b0b00e3SLawrence Tang // section_type_readable = "IPF"; 259*1b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiArmProcessorErrorSectionGuid)) 260*1b0b00e3SLawrence Tang section_type_readable = "ARM"; 261*1b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiPlatformMemoryErrorSectionGuid)) 262*1b0b00e3SLawrence Tang section_type_readable = "Platform Memory"; 263*1b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiPcieErrorSectionGuid)) 264*1b0b00e3SLawrence Tang section_type_readable = "PCIe"; 265*1b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiFirmwareErrorSectionGuid)) 266*1b0b00e3SLawrence Tang section_type_readable = "Firmware Error Record Reference"; 267*1b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiPciBusErrorSectionGuid)) 268*1b0b00e3SLawrence Tang section_type_readable = "PCI/PCI-X Bus"; 269*1b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiPciDevErrorSectionGuid)) 270*1b0b00e3SLawrence Tang section_type_readable = "PCI Component/Device"; 271*1b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiDMArGenericErrorSectionGuid)) 272*1b0b00e3SLawrence Tang section_type_readable = "DMAr Generic"; 273*1b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiDirectedIoDMArErrorSectionGuid)) 274*1b0b00e3SLawrence Tang section_type_readable = "Intel VT for Directed I/O specific DMAr section"; 275*1b0b00e3SLawrence Tang if (guid_equal(§ion_descriptor->SectionType, &gEfiIommuDMArErrorSectionGuid)) 276*1b0b00e3SLawrence Tang section_type_readable = "IOMMU specific DMAr section"; 277*1b0b00e3SLawrence Tang 278*1b0b00e3SLawrence Tang //todo: How do you determine if this is a CXL component event? 279*1b0b00e3SLawrence Tang // if (guid_equal(§ion_descriptor->SectionType, &gEfiProcessorGenericErrorSectionGuid)) 280*1b0b00e3SLawrence Tang // section_type_readable = "CXL Component Event"; 281*1b0b00e3SLawrence Tang 282*1b0b00e3SLawrence Tang json_object_object_add(section_type, "type", json_object_new_string(section_type_readable)); 283*1b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "sectionType", section_type); 284*1b0b00e3SLawrence Tang 285*1b0b00e3SLawrence Tang //If validation bits indicate it exists, add FRU ID. 286*1b0b00e3SLawrence Tang if (section_descriptor->SecValidMask & 0b1) 287*1b0b00e3SLawrence Tang { 288*1b0b00e3SLawrence Tang char fru_id_string[GUID_STRING_LENGTH]; 289*1b0b00e3SLawrence Tang guid_to_string(fru_id_string, §ion_descriptor->FruId); 290*1b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "fruID", json_object_new_string(fru_id_string)); 291*1b0b00e3SLawrence Tang } 292*1b0b00e3SLawrence Tang 293*1b0b00e3SLawrence Tang //If validation bits indicate it exists, add FRU text. 294*1b0b00e3SLawrence Tang if ((section_descriptor->SecValidMask & 0b10) >> 1) 295*1b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "fruText", json_object_new_string(section_descriptor->FruString)); 296*1b0b00e3SLawrence Tang 297*1b0b00e3SLawrence Tang //Section severity. 298*1b0b00e3SLawrence Tang json_object* section_severity = json_object_new_object(); 299*1b0b00e3SLawrence Tang json_object_object_add(section_severity, "code", json_object_new_int(section_descriptor->Severity)); 300*1b0b00e3SLawrence Tang json_object_object_add(section_severity, "name", json_object_new_string(severity_to_string(section_descriptor->Severity))); 301*1b0b00e3SLawrence Tang json_object_object_add(section_descriptor_ir, "severity", section_severity); 302*1b0b00e3SLawrence Tang 303*1b0b00e3SLawrence Tang return section_descriptor_ir; 304*1b0b00e3SLawrence Tang } 305*1b0b00e3SLawrence Tang 306*1b0b00e3SLawrence Tang 307*1b0b00e3SLawrence Tang //Converts the section described by a single given section descriptor. 308*1b0b00e3SLawrence Tang json_object* cper_section_to_ir(FILE* handle, EFI_ERROR_SECTION_DESCRIPTOR* descriptor) 309*1b0b00e3SLawrence Tang { 310*1b0b00e3SLawrence Tang //Read section as described by the section descriptor. 311*1b0b00e3SLawrence Tang fseek(handle, descriptor->SectionOffset, SEEK_SET); 312*1b0b00e3SLawrence Tang void* section = malloc(descriptor->SectionLength); 313*1b0b00e3SLawrence Tang if (fread(section, descriptor->SectionLength, 1, handle) != 1) 314*1b0b00e3SLawrence Tang { 315*1b0b00e3SLawrence Tang printf("Section read failed: Could not read %d bytes from global offset %d.", 316*1b0b00e3SLawrence Tang descriptor->SectionLength, 317*1b0b00e3SLawrence Tang descriptor->SectionOffset); 318*1b0b00e3SLawrence Tang } 319*1b0b00e3SLawrence Tang 320*1b0b00e3SLawrence Tang json_object* result = NULL; 321*1b0b00e3SLawrence Tang if (guid_equal(&descriptor->SectionType, &gEfiProcessorGenericErrorSectionGuid)) 322*1b0b00e3SLawrence Tang result = cper_section_generic_to_ir(handle, descriptor); 323*1b0b00e3SLawrence Tang // if (guid_equal(&descriptor->SectionType, &gEfiIa32X64ProcessorErrorSectionGuid)) 324*1b0b00e3SLawrence Tang // result = cper_section_ia32x64_to_ir(handle); 325*1b0b00e3SLawrence Tang // //todo: Why does IPF have an overly long GUID? 326*1b0b00e3SLawrence Tang // // if (guid_equal(&descriptor->SectionType, &gEfiIpfProcessorErrorSectionGuid)) 327*1b0b00e3SLawrence Tang // if (guid_equal(&descriptor->SectionType, &gEfiArmProcessorErrorSectionGuid)) 328*1b0b00e3SLawrence Tang // result = cper_section_arm_to_ir(handle); 329*1b0b00e3SLawrence Tang // if (guid_equal(&descriptor->SectionType, &gEfiPlatformMemoryErrorSectionGuid)) 330*1b0b00e3SLawrence Tang // result = cper_section_platform_memory_to_ir(handle); 331*1b0b00e3SLawrence Tang // if (guid_equal(&descriptor->SectionType, &gEfiPcieErrorSectionGuid)) 332*1b0b00e3SLawrence Tang // result = cper_section_pcie_to_ir(handle); 333*1b0b00e3SLawrence Tang // if (guid_equal(&descriptor->SectionType, &gEfiFirmwareErrorSectionGuid)) 334*1b0b00e3SLawrence Tang // result = cper_section_firmware_error_to_ir(handle); 335*1b0b00e3SLawrence Tang // if (guid_equal(&descriptor->SectionType, &gEfiPciBusErrorSectionGuid)) 336*1b0b00e3SLawrence Tang // result = cper_section_pci_bus_to_ir(handle); 337*1b0b00e3SLawrence Tang // if (guid_equal(&descriptor->SectionType, &gEfiPciDevErrorSectionGuid)) 338*1b0b00e3SLawrence Tang // result = cper_section_pci_dev_to_ir(handle); 339*1b0b00e3SLawrence Tang // if (guid_equal(&descriptor->SectionType, &gEfiDMArGenericErrorSectionGuid)) 340*1b0b00e3SLawrence Tang // result = cper_section_dmar_generic_to_ir(handle); 341*1b0b00e3SLawrence Tang // if (guid_equal(&descriptor->SectionType, &gEfiDirectedIoDMArErrorSectionGuid)) 342*1b0b00e3SLawrence Tang // result = cper_section_intel_io_dma_to_ir(handle); 343*1b0b00e3SLawrence Tang // if (guid_equal(&descriptor->SectionType, &gEfiIommuDMArErrorSectionGuid)) 344*1b0b00e3SLawrence Tang // result = cper_section_iommu_dma_to_ir(handle); 345*1b0b00e3SLawrence Tang 346*1b0b00e3SLawrence Tang //Free section memory, return result. 347*1b0b00e3SLawrence Tang free(section); 348*1b0b00e3SLawrence Tang return result; 349*1b0b00e3SLawrence Tang }