/** * Describes functions for converting generic DMAr CPER sections from binary and JSON format * into an intermediate format. * * Author: Lawrence.Tang@arm.com **/ #include #include #include "Cper.h" #include "../cper-utils.h" #include "cper-section-dmar-generic.h" //Converts a single generic DMAr CPER section into JSON IR. json_object *cper_section_dmar_generic_to_ir(void *section) { EFI_DMAR_GENERIC_ERROR_DATA *firmware_error = (EFI_DMAR_GENERIC_ERROR_DATA *)section; json_object *section_ir = json_object_new_object(); //Requester ID, segment. json_object_object_add( section_ir, "requesterID", json_object_new_int(firmware_error->RequesterId)); json_object_object_add( section_ir, "segmentNumber", json_object_new_int(firmware_error->SegmentNumber)); //Fault reason. json_object *fault_reason = integer_to_readable_pair_with_desc( firmware_error->FaultReason, 11, DMAR_GENERIC_ERROR_FAULT_REASON_TYPES_KEYS, DMAR_GENERIC_ERROR_FAULT_REASON_TYPES_VALUES, DMAR_GENERIC_ERROR_FAULT_REASON_TYPES_DESCRIPTIONS, "Unknown (Reserved)"); json_object_object_add(section_ir, "faultReason", fault_reason); //Access type. json_object *access_type = integer_to_readable_pair( firmware_error->AccessType, 2, DMAR_GENERIC_ERROR_ACCESS_TYPES_KEYS, DMAR_GENERIC_ERROR_ACCESS_TYPES_VALUES, "Unknown (Reserved)"); json_object_object_add(section_ir, "accessType", access_type); //Address type. json_object *address_type = integer_to_readable_pair( firmware_error->AddressType, 2, DMAR_GENERIC_ERROR_ADDRESS_TYPES_KEYS, DMAR_GENERIC_ERROR_ADDRESS_TYPES_VALUES, "Unknown (Reserved)"); json_object_object_add(section_ir, "addressType", address_type); //Architecture type. json_object *arch_type = integer_to_readable_pair( firmware_error->ArchType, 2, DMAR_GENERIC_ERROR_ARCH_TYPES_KEYS, DMAR_GENERIC_ERROR_ARCH_TYPES_VALUES, "Unknown (Reserved)"); json_object_object_add(section_ir, "architectureType", arch_type); //Device address. json_object_object_add( section_ir, "deviceAddress", json_object_new_uint64(firmware_error->DeviceAddr)); return section_ir; } //Converts a single generic DMAR CPER-JSON section into CPER binary, outputting to the given stream. void ir_section_dmar_generic_to_cper(json_object *section, FILE *out) { EFI_DMAR_GENERIC_ERROR_DATA *section_cper = (EFI_DMAR_GENERIC_ERROR_DATA *)calloc( 1, sizeof(EFI_DMAR_GENERIC_ERROR_DATA)); //Record fields. section_cper->RequesterId = (UINT16)json_object_get_int( json_object_object_get(section, "requesterID")); section_cper->SegmentNumber = (UINT16)json_object_get_int( json_object_object_get(section, "segmentNumber")); section_cper->FaultReason = (UINT8)readable_pair_to_integer( json_object_object_get(section, "faultReason")); section_cper->AccessType = (UINT8)readable_pair_to_integer( json_object_object_get(section, "accessType")); section_cper->AddressType = (UINT8)readable_pair_to_integer( json_object_object_get(section, "addressType")); section_cper->ArchType = (UINT8)readable_pair_to_integer( json_object_object_get(section, "architectureType")); section_cper->DeviceAddr = json_object_get_uint64( json_object_object_get(section, "deviceAddress")); //Write to stream, free resources. fwrite(section_cper, sizeof(EFI_DMAR_GENERIC_ERROR_DATA), 1, out); fflush(out); free(section_cper); }