1214a1542SLawrence Tang /** 2214a1542SLawrence Tang * Describes functions for converting PCI/PCI-X bus CPER sections from binary and JSON format 3214a1542SLawrence Tang * into an intermediate format. 4214a1542SLawrence Tang * 5214a1542SLawrence Tang * Author: Lawrence.Tang@arm.com 6214a1542SLawrence Tang **/ 7214a1542SLawrence Tang #include <stdio.h> 8214a1542SLawrence Tang #include "json.h" 9214a1542SLawrence Tang #include "../edk/Cper.h" 10214a1542SLawrence Tang #include "../cper-utils.h" 11214a1542SLawrence Tang #include "cper-section-pci-bus.h" 12214a1542SLawrence Tang 13214a1542SLawrence Tang //Converts a single PCI/PCI-X bus CPER section into JSON IR. 14214a1542SLawrence Tang json_object* cper_section_pci_bus_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor) 15214a1542SLawrence Tang { 16214a1542SLawrence Tang EFI_PCI_PCIX_BUS_ERROR_DATA* bus_error = (EFI_PCI_PCIX_BUS_ERROR_DATA*)section; 17214a1542SLawrence Tang json_object* section_ir = json_object_new_object(); 18214a1542SLawrence Tang 19214a1542SLawrence Tang //Validation bits. 20214a1542SLawrence Tang json_object* validation = bitfield_to_ir(bus_error->ValidFields, 9, PCI_BUS_ERROR_VALID_BITFIELD_NAMES); 21214a1542SLawrence Tang json_object_object_add(section_ir, "validationBits", validation); 22214a1542SLawrence Tang 23214a1542SLawrence Tang //Error status. 24214a1542SLawrence Tang json_object* error_status = cper_generic_error_status_to_ir(&bus_error->ErrorStatus); 25214a1542SLawrence Tang json_object_object_add(section_ir, "errorStatus", error_status); 26214a1542SLawrence Tang 27214a1542SLawrence Tang //PCI bus error type. 28214a1542SLawrence Tang json_object* error_type = integer_to_readable_pair(bus_error->Type, 8, 29214a1542SLawrence Tang PCI_BUS_ERROR_TYPES_KEYS, 30214a1542SLawrence Tang PCI_BUS_ERROR_TYPES_VALUES, 31214a1542SLawrence Tang "Unknown (Reserved)"); 32214a1542SLawrence Tang json_object_object_add(section_ir, "errorType", error_type); 33214a1542SLawrence Tang 34214a1542SLawrence Tang //Bus ID. 35214a1542SLawrence Tang json_object* bus_id = json_object_new_object(); 36214a1542SLawrence Tang json_object_object_add(bus_id, "busNumber", json_object_new_int(bus_error->BusId & 0xFF)); 37214a1542SLawrence Tang json_object_object_add(bus_id, "segmentNumber", json_object_new_int(bus_error->BusId >> 8)); 38214a1542SLawrence Tang json_object_object_add(section_ir, "busID", bus_id); 39214a1542SLawrence Tang 40214a1542SLawrence Tang //Miscellaneous numeric fields. 41*de9707f9SLawrence Tang UINT8 command_type = (bus_error->BusCommand >> 56) & 0b1; //Byte 7, bit 0. 42214a1542SLawrence Tang json_object_object_add(section_ir, "busAddress", json_object_new_uint64(bus_error->BusAddress)); 43214a1542SLawrence Tang json_object_object_add(section_ir, "busData", json_object_new_uint64(bus_error->BusData)); 44*de9707f9SLawrence Tang json_object_object_add(section_ir, "busCommandType", json_object_new_string(command_type == 0 ? "PCI" : "PCI-X")); 45214a1542SLawrence Tang json_object_object_add(section_ir, "busRequestorID", json_object_new_uint64(bus_error->RequestorId)); 46214a1542SLawrence Tang json_object_object_add(section_ir, "busCompleterID", json_object_new_uint64(bus_error->ResponderId)); 47214a1542SLawrence Tang json_object_object_add(section_ir, "targetID", json_object_new_uint64(bus_error->TargetId)); 48214a1542SLawrence Tang 49214a1542SLawrence Tang return section_ir; 50214a1542SLawrence Tang } 51205dd1d7SLawrence Tang 52205dd1d7SLawrence Tang //Converts a single provided PCI/PCI-X bus CPER-JSON section into CPER binary, outputting to the 53205dd1d7SLawrence Tang //provided stream. 54205dd1d7SLawrence Tang void ir_section_pci_bus_to_cper(json_object* section, FILE* out) 55205dd1d7SLawrence Tang { 56205dd1d7SLawrence Tang EFI_PCI_PCIX_BUS_ERROR_DATA* section_cper = 57205dd1d7SLawrence Tang (EFI_PCI_PCIX_BUS_ERROR_DATA*)calloc(1, sizeof(EFI_PCI_PCIX_BUS_ERROR_DATA)); 58205dd1d7SLawrence Tang 59205dd1d7SLawrence Tang //Validation bits. 60205dd1d7SLawrence Tang section_cper->ValidFields = ir_to_bitfield(json_object_object_get(section, "validationBits"), 61205dd1d7SLawrence Tang 9, PCI_BUS_ERROR_VALID_BITFIELD_NAMES); 62205dd1d7SLawrence Tang 63205dd1d7SLawrence Tang //Error status. 64205dd1d7SLawrence Tang ir_generic_error_status_to_cper(json_object_object_get(section, "errorStatus"), §ion_cper->ErrorStatus); 65205dd1d7SLawrence Tang 66205dd1d7SLawrence Tang //Bus ID. 67205dd1d7SLawrence Tang json_object* bus_id = json_object_object_get(section, "busID"); 68205dd1d7SLawrence Tang UINT16 bus_number = (UINT8)json_object_get_int(json_object_object_get(bus_id, "busNumber")); 69205dd1d7SLawrence Tang UINT16 segment_number = (UINT8)json_object_get_int(json_object_object_get(bus_id, "segmentNumber")); 70205dd1d7SLawrence Tang section_cper->BusId = bus_number + (segment_number << 8); 71205dd1d7SLawrence Tang 72205dd1d7SLawrence Tang //Remaining fields. 73205dd1d7SLawrence Tang section_cper->Type = (UINT16)readable_pair_to_integer(json_object_object_get(section, "errorType")); 74205dd1d7SLawrence Tang section_cper->BusAddress = json_object_get_uint64(json_object_object_get(section, "busAddress")); 75205dd1d7SLawrence Tang section_cper->BusData = json_object_get_uint64(json_object_object_get(section, "busData")); 76205dd1d7SLawrence Tang section_cper->BusCommand = json_object_get_string(json_object_object_get(section, "busCommand")) == "PCI" ? 0 : 1; 77205dd1d7SLawrence Tang section_cper->RequestorId = json_object_get_uint64(json_object_object_get(section, "requestorID")); 78205dd1d7SLawrence Tang section_cper->ResponderId = json_object_get_uint64(json_object_object_get(section, "responderID")); 79205dd1d7SLawrence Tang section_cper->TargetId = json_object_get_uint64(json_object_object_get(section, "targetID")); 80205dd1d7SLawrence Tang 81205dd1d7SLawrence Tang //Write to stream, free resources. 82205dd1d7SLawrence Tang fwrite(§ion_cper, sizeof(section_cper), 1, out); 83205dd1d7SLawrence Tang fflush(out); 84205dd1d7SLawrence Tang free(section_cper); 85205dd1d7SLawrence Tang }