1 /** 2 * Describes functions for converting PCI/PCI-X bus CPER sections from binary and JSON format 3 * into an intermediate format. 4 * 5 * Author: Lawrence.Tang@arm.com 6 **/ 7 #include <stdio.h> 8 #include "json.h" 9 #include "../edk/Cper.h" 10 #include "../cper-utils.h" 11 #include "cper-section-pci-bus.h" 12 13 //Converts a single PCI/PCI-X bus CPER section into JSON IR. 14 json_object* cper_section_pci_bus_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor) 15 { 16 EFI_PCI_PCIX_BUS_ERROR_DATA* bus_error = (EFI_PCI_PCIX_BUS_ERROR_DATA*)section; 17 json_object* section_ir = json_object_new_object(); 18 19 //Validation bits. 20 json_object* validation = bitfield_to_ir(bus_error->ValidFields, 9, PCI_BUS_ERROR_VALID_BITFIELD_NAMES); 21 json_object_object_add(section_ir, "validationBits", validation); 22 23 //Error status. 24 json_object* error_status = cper_generic_error_status_to_ir(&bus_error->ErrorStatus); 25 json_object_object_add(section_ir, "errorStatus", error_status); 26 27 //PCI bus error type. 28 json_object* error_type = integer_to_readable_pair(bus_error->Type, 8, 29 PCI_BUS_ERROR_TYPES_KEYS, 30 PCI_BUS_ERROR_TYPES_VALUES, 31 "Unknown (Reserved)"); 32 json_object_object_add(section_ir, "errorType", error_type); 33 34 //Bus ID. 35 json_object* bus_id = json_object_new_object(); 36 json_object_object_add(bus_id, "busNumber", json_object_new_int(bus_error->BusId & 0xFF)); 37 json_object_object_add(bus_id, "segmentNumber", json_object_new_int(bus_error->BusId >> 8)); 38 json_object_object_add(section_ir, "busID", bus_id); 39 40 //Miscellaneous numeric fields. 41 json_object_object_add(section_ir, "busAddress", json_object_new_uint64(bus_error->BusAddress)); 42 json_object_object_add(section_ir, "busData", json_object_new_uint64(bus_error->BusData)); 43 json_object_object_add(section_ir, "busCommandType", json_object_new_string(bus_error->BusCommand == 0 ? "PCI" : "PCI-X")); 44 json_object_object_add(section_ir, "busRequestorID", json_object_new_uint64(bus_error->RequestorId)); 45 json_object_object_add(section_ir, "busCompleterID", json_object_new_uint64(bus_error->ResponderId)); 46 json_object_object_add(section_ir, "targetID", json_object_new_uint64(bus_error->TargetId)); 47 48 return section_ir; 49 } 50 51 //Converts a single provided PCI/PCI-X bus CPER-JSON section into CPER binary, outputting to the 52 //provided stream. 53 void ir_section_pci_bus_to_cper(json_object* section, FILE* out) 54 { 55 EFI_PCI_PCIX_BUS_ERROR_DATA* section_cper = 56 (EFI_PCI_PCIX_BUS_ERROR_DATA*)calloc(1, sizeof(EFI_PCI_PCIX_BUS_ERROR_DATA)); 57 58 //Validation bits. 59 section_cper->ValidFields = ir_to_bitfield(json_object_object_get(section, "validationBits"), 60 9, PCI_BUS_ERROR_VALID_BITFIELD_NAMES); 61 62 //Error status. 63 ir_generic_error_status_to_cper(json_object_object_get(section, "errorStatus"), §ion_cper->ErrorStatus); 64 65 //Bus ID. 66 json_object* bus_id = json_object_object_get(section, "busID"); 67 UINT16 bus_number = (UINT8)json_object_get_int(json_object_object_get(bus_id, "busNumber")); 68 UINT16 segment_number = (UINT8)json_object_get_int(json_object_object_get(bus_id, "segmentNumber")); 69 section_cper->BusId = bus_number + (segment_number << 8); 70 71 //Remaining fields. 72 section_cper->Type = (UINT16)readable_pair_to_integer(json_object_object_get(section, "errorType")); 73 section_cper->BusAddress = json_object_get_uint64(json_object_object_get(section, "busAddress")); 74 section_cper->BusData = json_object_get_uint64(json_object_object_get(section, "busData")); 75 section_cper->BusCommand = json_object_get_string(json_object_object_get(section, "busCommand")) == "PCI" ? 0 : 1; 76 section_cper->RequestorId = json_object_get_uint64(json_object_object_get(section, "requestorID")); 77 section_cper->ResponderId = json_object_get_uint64(json_object_object_get(section, "responderID")); 78 section_cper->TargetId = json_object_get_uint64(json_object_object_get(section, "targetID")); 79 80 //Write to stream, free resources. 81 fwrite(§ion_cper, sizeof(section_cper), 1, out); 82 fflush(out); 83 free(section_cper); 84 }