14dbe3d72SLawrence Tang /** 24dbe3d72SLawrence Tang * Describes functions for converting PCIe CPER sections from binary and JSON format 34dbe3d72SLawrence Tang * into an intermediate format. 44dbe3d72SLawrence Tang * 54dbe3d72SLawrence Tang * Author: Lawrence.Tang@arm.com 64dbe3d72SLawrence Tang **/ 74dbe3d72SLawrence Tang #include <stdio.h> 84dbe3d72SLawrence Tang #include "json.h" 94dbe3d72SLawrence Tang #include "../edk/Cper.h" 104dbe3d72SLawrence Tang #include "../cper-utils.h" 114dbe3d72SLawrence Tang #include "cper-section-pcie.h" 124dbe3d72SLawrence Tang 134dbe3d72SLawrence Tang //Converts a single PCIe CPER section into JSON IR. 144dbe3d72SLawrence Tang json_object* cper_section_pcie_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor) 154dbe3d72SLawrence Tang { 164dbe3d72SLawrence Tang EFI_PCIE_ERROR_DATA* pcie_error = (EFI_PCIE_ERROR_DATA*)section; 174dbe3d72SLawrence Tang json_object* section_ir = json_object_new_object(); 184dbe3d72SLawrence Tang 194dbe3d72SLawrence Tang //Validation bits. 204dbe3d72SLawrence Tang json_object* validation = bitfield_to_ir(pcie_error->ValidFields, 8, PCIE_ERROR_VALID_BITFIELD_NAMES); 214dbe3d72SLawrence Tang json_object_object_add(section_ir, "validationBits", validation); 224dbe3d72SLawrence Tang 234dbe3d72SLawrence Tang //Port type. 244dbe3d72SLawrence Tang json_object* port_type = integer_to_readable_pair(pcie_error->PortType, 9, 254dbe3d72SLawrence Tang PCIE_ERROR_PORT_TYPES_KEYS, 264dbe3d72SLawrence Tang PCIE_ERROR_PORT_TYPES_VALUES, 274dbe3d72SLawrence Tang "Unknown"); 284dbe3d72SLawrence Tang json_object_object_add(section_ir, "portType", port_type); 294dbe3d72SLawrence Tang 304dbe3d72SLawrence Tang //Version, provided each half in BCD. 314dbe3d72SLawrence Tang json_object* version = json_object_new_object(); 324dbe3d72SLawrence Tang json_object_object_add(version, "minor", json_object_new_int(bcd_to_int(pcie_error->Version & 0xFF))); 334dbe3d72SLawrence Tang json_object_object_add(version, "major", json_object_new_int(bcd_to_int(pcie_error->Version >> 8))); 344dbe3d72SLawrence Tang json_object_object_add(section_ir, "version", version); 354dbe3d72SLawrence Tang 364dbe3d72SLawrence Tang //Command & status. 374dbe3d72SLawrence Tang json_object* command_status = json_object_new_object(); 384dbe3d72SLawrence Tang json_object_object_add(command_status, "commandRegister", json_object_new_uint64(pcie_error->CommandStatus & 0xFFFF)); 394dbe3d72SLawrence Tang json_object_object_add(command_status, "statusRegister", json_object_new_uint64(pcie_error->CommandStatus >> 16)); 404dbe3d72SLawrence Tang json_object_object_add(section_ir, "commandStatus", command_status); 414dbe3d72SLawrence Tang 424dbe3d72SLawrence Tang //PCIe Device ID. 434dbe3d72SLawrence Tang json_object* device_id = json_object_new_object(); 44*db1b7ce2SLawrence Tang UINT64 class_id = (pcie_error->DevBridge.ClassCode[0] << 16) + 454dbe3d72SLawrence Tang (pcie_error->DevBridge.ClassCode[1] << 8) + 46*db1b7ce2SLawrence Tang pcie_error->DevBridge.ClassCode[2]; 474dbe3d72SLawrence Tang json_object_object_add(device_id, "vendorID", json_object_new_uint64(pcie_error->DevBridge.VendorId)); 484dbe3d72SLawrence Tang json_object_object_add(device_id, "deviceID", json_object_new_uint64(pcie_error->DevBridge.DeviceId)); 494dbe3d72SLawrence Tang json_object_object_add(device_id, "classCode", json_object_new_uint64(class_id)); 504dbe3d72SLawrence Tang json_object_object_add(device_id, "functionNumber", json_object_new_uint64(pcie_error->DevBridge.Function)); 514dbe3d72SLawrence Tang json_object_object_add(device_id, "deviceNumber", json_object_new_uint64(pcie_error->DevBridge.Device)); 524dbe3d72SLawrence Tang json_object_object_add(device_id, "segmentNumber", json_object_new_uint64(pcie_error->DevBridge.Segment)); 534dbe3d72SLawrence Tang json_object_object_add(device_id, "primaryOrDeviceBusNumber", json_object_new_uint64(pcie_error->DevBridge.PrimaryOrDeviceBus)); 544dbe3d72SLawrence Tang json_object_object_add(device_id, "secondaryBusNumber", json_object_new_uint64(pcie_error->DevBridge.SecondaryBus)); 554dbe3d72SLawrence Tang json_object_object_add(device_id, "slotNumber", json_object_new_uint64(pcie_error->DevBridge.Slot.Number)); 564dbe3d72SLawrence Tang json_object_object_add(section_ir, "deviceID", device_id); 574dbe3d72SLawrence Tang 584dbe3d72SLawrence Tang //Device serial number. 594dbe3d72SLawrence Tang json_object_object_add(section_ir, "deviceSerialNumber", json_object_new_uint64(pcie_error->SerialNo)); 604dbe3d72SLawrence Tang 614dbe3d72SLawrence Tang //Bridge control status. 624dbe3d72SLawrence Tang json_object* bridge_control_status = json_object_new_object(); 634dbe3d72SLawrence Tang json_object_object_add(bridge_control_status, "secondaryStatusRegister", 644dbe3d72SLawrence Tang json_object_new_uint64(pcie_error->BridgeControlStatus & 0xFFFF)); 654dbe3d72SLawrence Tang json_object_object_add(bridge_control_status, "controlRegister", 664dbe3d72SLawrence Tang json_object_new_uint64(pcie_error->BridgeControlStatus >> 16)); 674dbe3d72SLawrence Tang json_object_object_add(section_ir, "bridgeControlStatus", bridge_control_status); 684dbe3d72SLawrence Tang 694dbe3d72SLawrence Tang //Capability structure. 704dbe3d72SLawrence Tang //todo: See Figure 6-9 of the PCIe 2.0 Base Specification to implement this 714dbe3d72SLawrence Tang 724dbe3d72SLawrence Tang //AER information. 734dbe3d72SLawrence Tang //todo: See the PCIe 2.0 Base Specification to implement this. 744dbe3d72SLawrence Tang 754dbe3d72SLawrence Tang return section_ir; 764dbe3d72SLawrence Tang }