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> 80a4b3f2dSLawrence Tang #include <string.h> 95202bbb4SLawrence Tang #include <json.h> 10214a1542SLawrence Tang #include "../edk/Cper.h" 11214a1542SLawrence Tang #include "../cper-utils.h" 12214a1542SLawrence Tang #include "cper-section-pci-bus.h" 13214a1542SLawrence Tang 14214a1542SLawrence Tang //Converts a single PCI/PCI-X bus CPER section into JSON IR. 15*f8fc7052SJohn Chung json_object *cper_section_pci_bus_to_ir(void *section) 16214a1542SLawrence Tang { 17e407b4c8SLawrence Tang EFI_PCI_PCIX_BUS_ERROR_DATA *bus_error = 18e407b4c8SLawrence Tang (EFI_PCI_PCIX_BUS_ERROR_DATA *)section; 19214a1542SLawrence Tang json_object *section_ir = json_object_new_object(); 20214a1542SLawrence Tang 21214a1542SLawrence Tang //Validation bits. 22e407b4c8SLawrence Tang json_object *validation = bitfield_to_ir( 23e407b4c8SLawrence Tang bus_error->ValidFields, 9, PCI_BUS_ERROR_VALID_BITFIELD_NAMES); 24214a1542SLawrence Tang json_object_object_add(section_ir, "validationBits", validation); 25214a1542SLawrence Tang 26214a1542SLawrence Tang //Error status. 27e407b4c8SLawrence Tang json_object *error_status = 28e407b4c8SLawrence Tang cper_generic_error_status_to_ir(&bus_error->ErrorStatus); 29214a1542SLawrence Tang json_object_object_add(section_ir, "errorStatus", error_status); 30214a1542SLawrence Tang 31214a1542SLawrence Tang //PCI bus error type. 32e407b4c8SLawrence Tang json_object *error_type = integer_to_readable_pair( 33e407b4c8SLawrence Tang bus_error->Type, 8, PCI_BUS_ERROR_TYPES_KEYS, 34e407b4c8SLawrence Tang PCI_BUS_ERROR_TYPES_VALUES, "Unknown (Reserved)"); 35214a1542SLawrence Tang json_object_object_add(section_ir, "errorType", error_type); 36214a1542SLawrence Tang 37214a1542SLawrence Tang //Bus ID. 38214a1542SLawrence Tang json_object *bus_id = json_object_new_object(); 39e407b4c8SLawrence Tang json_object_object_add(bus_id, "busNumber", 40e407b4c8SLawrence Tang json_object_new_int(bus_error->BusId & 0xFF)); 41e407b4c8SLawrence Tang json_object_object_add(bus_id, "segmentNumber", 42e407b4c8SLawrence Tang json_object_new_int(bus_error->BusId >> 8)); 43214a1542SLawrence Tang json_object_object_add(section_ir, "busID", bus_id); 44214a1542SLawrence Tang 45214a1542SLawrence Tang //Miscellaneous numeric fields. 46e407b4c8SLawrence Tang UINT8 command_type = (bus_error->BusCommand >> 56) & 47*f8fc7052SJohn Chung 0x1; //Byte 7, bit 0. 48e407b4c8SLawrence Tang json_object_object_add(section_ir, "busAddress", 49e407b4c8SLawrence Tang json_object_new_uint64(bus_error->BusAddress)); 50e407b4c8SLawrence Tang json_object_object_add(section_ir, "busData", 51e407b4c8SLawrence Tang json_object_new_uint64(bus_error->BusData)); 52e407b4c8SLawrence Tang json_object_object_add( 53e407b4c8SLawrence Tang section_ir, "busCommandType", 54e407b4c8SLawrence Tang json_object_new_string(command_type == 0 ? "PCI" : "PCI-X")); 55e407b4c8SLawrence Tang json_object_object_add(section_ir, "busRequestorID", 56e407b4c8SLawrence Tang json_object_new_uint64(bus_error->RequestorId)); 57e407b4c8SLawrence Tang json_object_object_add(section_ir, "busCompleterID", 58e407b4c8SLawrence Tang json_object_new_uint64(bus_error->ResponderId)); 59e407b4c8SLawrence Tang json_object_object_add(section_ir, "targetID", 60e407b4c8SLawrence Tang json_object_new_uint64(bus_error->TargetId)); 61214a1542SLawrence Tang 62214a1542SLawrence Tang return section_ir; 63214a1542SLawrence Tang } 64205dd1d7SLawrence Tang 65205dd1d7SLawrence Tang //Converts a single provided PCI/PCI-X bus CPER-JSON section into CPER binary, outputting to the 66205dd1d7SLawrence Tang //provided stream. 67205dd1d7SLawrence Tang void ir_section_pci_bus_to_cper(json_object *section, FILE *out) 68205dd1d7SLawrence Tang { 69205dd1d7SLawrence Tang EFI_PCI_PCIX_BUS_ERROR_DATA *section_cper = 70e407b4c8SLawrence Tang (EFI_PCI_PCIX_BUS_ERROR_DATA *)calloc( 71e407b4c8SLawrence Tang 1, sizeof(EFI_PCI_PCIX_BUS_ERROR_DATA)); 72205dd1d7SLawrence Tang 73205dd1d7SLawrence Tang //Validation bits. 74e407b4c8SLawrence Tang section_cper->ValidFields = ir_to_bitfield( 75e407b4c8SLawrence Tang json_object_object_get(section, "validationBits"), 9, 76e407b4c8SLawrence Tang PCI_BUS_ERROR_VALID_BITFIELD_NAMES); 77205dd1d7SLawrence Tang 78205dd1d7SLawrence Tang //Error status. 79e407b4c8SLawrence Tang ir_generic_error_status_to_cper(json_object_object_get(section, 80e407b4c8SLawrence Tang "errorStatus"), 81e407b4c8SLawrence Tang §ion_cper->ErrorStatus); 82205dd1d7SLawrence Tang 83205dd1d7SLawrence Tang //Bus ID. 84205dd1d7SLawrence Tang json_object *bus_id = json_object_object_get(section, "busID"); 85e407b4c8SLawrence Tang UINT16 bus_number = (UINT8)json_object_get_int( 86e407b4c8SLawrence Tang json_object_object_get(bus_id, "busNumber")); 87e407b4c8SLawrence Tang UINT16 segment_number = (UINT8)json_object_get_int( 88e407b4c8SLawrence Tang json_object_object_get(bus_id, "segmentNumber")); 89205dd1d7SLawrence Tang section_cper->BusId = bus_number + (segment_number << 8); 90205dd1d7SLawrence Tang 91205dd1d7SLawrence Tang //Remaining fields. 920a4b3f2dSLawrence Tang UINT64 pcix_command = (UINT64)0x1 << 56; 93e407b4c8SLawrence Tang const char *bus_command = json_object_get_string( 94e407b4c8SLawrence Tang json_object_object_get(section, "busCommandType")); 95e407b4c8SLawrence Tang section_cper->Type = (UINT16)readable_pair_to_integer( 96e407b4c8SLawrence Tang json_object_object_get(section, "errorType")); 97e407b4c8SLawrence Tang section_cper->BusAddress = json_object_get_uint64( 98e407b4c8SLawrence Tang json_object_object_get(section, "busAddress")); 99e407b4c8SLawrence Tang section_cper->BusData = json_object_get_uint64( 100e407b4c8SLawrence Tang json_object_object_get(section, "busData")); 101e407b4c8SLawrence Tang section_cper->BusCommand = 102e407b4c8SLawrence Tang strcmp(bus_command, "PCI") == 0 ? 0 : pcix_command; 103e407b4c8SLawrence Tang section_cper->RequestorId = json_object_get_uint64( 104e407b4c8SLawrence Tang json_object_object_get(section, "busRequestorID")); 105e407b4c8SLawrence Tang section_cper->ResponderId = json_object_get_uint64( 106e407b4c8SLawrence Tang json_object_object_get(section, "busCompleterID")); 107e407b4c8SLawrence Tang section_cper->TargetId = json_object_get_uint64( 108e407b4c8SLawrence Tang json_object_object_get(section, "targetID")); 109205dd1d7SLawrence Tang 110205dd1d7SLawrence Tang //Write to stream, free resources. 1113ab351feSLawrence Tang fwrite(section_cper, sizeof(EFI_PCI_PCIX_BUS_ERROR_DATA), 1, out); 112205dd1d7SLawrence Tang fflush(out); 113205dd1d7SLawrence Tang free(section_cper); 114205dd1d7SLawrence Tang } 115