1 /** 2 * Describes functions for converting PCIe 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-pcie.h" 12 13 //Converts a single PCIe CPER section into JSON IR. 14 json_object* cper_section_pcie_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor) 15 { 16 EFI_PCIE_ERROR_DATA* pcie_error = (EFI_PCIE_ERROR_DATA*)section; 17 json_object* section_ir = json_object_new_object(); 18 19 //Validation bits. 20 json_object* validation = bitfield_to_ir(pcie_error->ValidFields, 8, PCIE_ERROR_VALID_BITFIELD_NAMES); 21 json_object_object_add(section_ir, "validationBits", validation); 22 23 //Port type. 24 json_object* port_type = integer_to_readable_pair(pcie_error->PortType, 9, 25 PCIE_ERROR_PORT_TYPES_KEYS, 26 PCIE_ERROR_PORT_TYPES_VALUES, 27 "Unknown"); 28 json_object_object_add(section_ir, "portType", port_type); 29 30 //Version, provided each half in BCD. 31 json_object* version = json_object_new_object(); 32 json_object_object_add(version, "minor", json_object_new_int(bcd_to_int(pcie_error->Version & 0xFF))); 33 json_object_object_add(version, "major", json_object_new_int(bcd_to_int(pcie_error->Version >> 8))); 34 json_object_object_add(section_ir, "version", version); 35 36 //Command & status. 37 json_object* command_status = json_object_new_object(); 38 json_object_object_add(command_status, "commandRegister", json_object_new_uint64(pcie_error->CommandStatus & 0xFFFF)); 39 json_object_object_add(command_status, "statusRegister", json_object_new_uint64(pcie_error->CommandStatus >> 16)); 40 json_object_object_add(section_ir, "commandStatus", command_status); 41 42 //PCIe Device ID. 43 json_object* device_id = json_object_new_object(); 44 UINT64 class_id = (pcie_error->DevBridge.ClassCode[0] << 16) + 45 (pcie_error->DevBridge.ClassCode[1] << 8) + 46 pcie_error->DevBridge.ClassCode[2]; 47 json_object_object_add(device_id, "vendorID", json_object_new_uint64(pcie_error->DevBridge.VendorId)); 48 json_object_object_add(device_id, "deviceID", json_object_new_uint64(pcie_error->DevBridge.DeviceId)); 49 json_object_object_add(device_id, "classCode", json_object_new_uint64(class_id)); 50 json_object_object_add(device_id, "functionNumber", json_object_new_uint64(pcie_error->DevBridge.Function)); 51 json_object_object_add(device_id, "deviceNumber", json_object_new_uint64(pcie_error->DevBridge.Device)); 52 json_object_object_add(device_id, "segmentNumber", json_object_new_uint64(pcie_error->DevBridge.Segment)); 53 json_object_object_add(device_id, "primaryOrDeviceBusNumber", json_object_new_uint64(pcie_error->DevBridge.PrimaryOrDeviceBus)); 54 json_object_object_add(device_id, "secondaryBusNumber", json_object_new_uint64(pcie_error->DevBridge.SecondaryBus)); 55 json_object_object_add(device_id, "slotNumber", json_object_new_uint64(pcie_error->DevBridge.Slot.Number)); 56 json_object_object_add(section_ir, "deviceID", device_id); 57 58 //Device serial number. 59 json_object_object_add(section_ir, "deviceSerialNumber", json_object_new_uint64(pcie_error->SerialNo)); 60 61 //Bridge control status. 62 json_object* bridge_control_status = json_object_new_object(); 63 json_object_object_add(bridge_control_status, "secondaryStatusRegister", 64 json_object_new_uint64(pcie_error->BridgeControlStatus & 0xFFFF)); 65 json_object_object_add(bridge_control_status, "controlRegister", 66 json_object_new_uint64(pcie_error->BridgeControlStatus >> 16)); 67 json_object_object_add(section_ir, "bridgeControlStatus", bridge_control_status); 68 69 //Capability structure. 70 //todo: See Figure 6-9 of the PCIe 2.0 Base Specification to implement this 71 72 //AER information. 73 //todo: See the PCIe 2.0 Base Specification to implement this. 74 75 return section_ir; 76 }