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. 41214a1542SLawrence Tang json_object_object_add(section_ir, "busAddress", json_object_new_uint64(bus_error->BusAddress)); 42214a1542SLawrence Tang json_object_object_add(section_ir, "busData", json_object_new_uint64(bus_error->BusData)); 43214a1542SLawrence Tang json_object_object_add(section_ir, "busCommandType", json_object_new_string(bus_error->BusCommand == 0 ? "PCI" : "PCI-X")); 44214a1542SLawrence Tang json_object_object_add(section_ir, "busRequestorID", json_object_new_uint64(bus_error->RequestorId)); 45214a1542SLawrence Tang json_object_object_add(section_ir, "busCompleterID", json_object_new_uint64(bus_error->ResponderId)); 46214a1542SLawrence Tang json_object_object_add(section_ir, "targetID", json_object_new_uint64(bus_error->TargetId)); 47214a1542SLawrence Tang 48214a1542SLawrence Tang return section_ir; 49214a1542SLawrence Tang } 50*205dd1d7SLawrence Tang 51*205dd1d7SLawrence Tang //Converts a single provided PCI/PCI-X bus CPER-JSON section into CPER binary, outputting to the 52*205dd1d7SLawrence Tang //provided stream. 53*205dd1d7SLawrence Tang void ir_section_pci_bus_to_cper(json_object* section, FILE* out) 54*205dd1d7SLawrence Tang { 55*205dd1d7SLawrence Tang EFI_PCI_PCIX_BUS_ERROR_DATA* section_cper = 56*205dd1d7SLawrence Tang (EFI_PCI_PCIX_BUS_ERROR_DATA*)calloc(1, sizeof(EFI_PCI_PCIX_BUS_ERROR_DATA)); 57*205dd1d7SLawrence Tang 58*205dd1d7SLawrence Tang //Validation bits. 59*205dd1d7SLawrence Tang section_cper->ValidFields = ir_to_bitfield(json_object_object_get(section, "validationBits"), 60*205dd1d7SLawrence Tang 9, PCI_BUS_ERROR_VALID_BITFIELD_NAMES); 61*205dd1d7SLawrence Tang 62*205dd1d7SLawrence Tang //Error status. 63*205dd1d7SLawrence Tang ir_generic_error_status_to_cper(json_object_object_get(section, "errorStatus"), §ion_cper->ErrorStatus); 64*205dd1d7SLawrence Tang 65*205dd1d7SLawrence Tang //Bus ID. 66*205dd1d7SLawrence Tang json_object* bus_id = json_object_object_get(section, "busID"); 67*205dd1d7SLawrence Tang UINT16 bus_number = (UINT8)json_object_get_int(json_object_object_get(bus_id, "busNumber")); 68*205dd1d7SLawrence Tang UINT16 segment_number = (UINT8)json_object_get_int(json_object_object_get(bus_id, "segmentNumber")); 69*205dd1d7SLawrence Tang section_cper->BusId = bus_number + (segment_number << 8); 70*205dd1d7SLawrence Tang 71*205dd1d7SLawrence Tang //Remaining fields. 72*205dd1d7SLawrence Tang section_cper->Type = (UINT16)readable_pair_to_integer(json_object_object_get(section, "errorType")); 73*205dd1d7SLawrence Tang section_cper->BusAddress = json_object_get_uint64(json_object_object_get(section, "busAddress")); 74*205dd1d7SLawrence Tang section_cper->BusData = json_object_get_uint64(json_object_object_get(section, "busData")); 75*205dd1d7SLawrence Tang section_cper->BusCommand = json_object_get_string(json_object_object_get(section, "busCommand")) == "PCI" ? 0 : 1; 76*205dd1d7SLawrence Tang section_cper->RequestorId = json_object_get_uint64(json_object_object_get(section, "requestorID")); 77*205dd1d7SLawrence Tang section_cper->ResponderId = json_object_get_uint64(json_object_object_get(section, "responderID")); 78*205dd1d7SLawrence Tang section_cper->TargetId = json_object_get_uint64(json_object_object_get(section, "targetID")); 79*205dd1d7SLawrence Tang 80*205dd1d7SLawrence Tang //Write to stream, free resources. 81*205dd1d7SLawrence Tang fwrite(§ion_cper, sizeof(section_cper), 1, out); 82*205dd1d7SLawrence Tang fflush(out); 83*205dd1d7SLawrence Tang free(section_cper); 84*205dd1d7SLawrence Tang }