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" 9*6c461e90SLawrence Tang #include "b64.h" 104dbe3d72SLawrence Tang #include "../edk/Cper.h" 114dbe3d72SLawrence Tang #include "../cper-utils.h" 124dbe3d72SLawrence Tang #include "cper-section-pcie.h" 134dbe3d72SLawrence Tang 144dbe3d72SLawrence Tang //Converts a single PCIe CPER section into JSON IR. 154dbe3d72SLawrence Tang json_object* cper_section_pcie_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor) 164dbe3d72SLawrence Tang { 174dbe3d72SLawrence Tang EFI_PCIE_ERROR_DATA* pcie_error = (EFI_PCIE_ERROR_DATA*)section; 184dbe3d72SLawrence Tang json_object* section_ir = json_object_new_object(); 194dbe3d72SLawrence Tang 204dbe3d72SLawrence Tang //Validation bits. 214dbe3d72SLawrence Tang json_object* validation = bitfield_to_ir(pcie_error->ValidFields, 8, PCIE_ERROR_VALID_BITFIELD_NAMES); 224dbe3d72SLawrence Tang json_object_object_add(section_ir, "validationBits", validation); 234dbe3d72SLawrence Tang 244dbe3d72SLawrence Tang //Port type. 254dbe3d72SLawrence Tang json_object* port_type = integer_to_readable_pair(pcie_error->PortType, 9, 264dbe3d72SLawrence Tang PCIE_ERROR_PORT_TYPES_KEYS, 274dbe3d72SLawrence Tang PCIE_ERROR_PORT_TYPES_VALUES, 284dbe3d72SLawrence Tang "Unknown"); 294dbe3d72SLawrence Tang json_object_object_add(section_ir, "portType", port_type); 304dbe3d72SLawrence Tang 314dbe3d72SLawrence Tang //Version, provided each half in BCD. 324dbe3d72SLawrence Tang json_object* version = json_object_new_object(); 334dbe3d72SLawrence Tang json_object_object_add(version, "minor", json_object_new_int(bcd_to_int(pcie_error->Version & 0xFF))); 344dbe3d72SLawrence Tang json_object_object_add(version, "major", json_object_new_int(bcd_to_int(pcie_error->Version >> 8))); 354dbe3d72SLawrence Tang json_object_object_add(section_ir, "version", version); 364dbe3d72SLawrence Tang 374dbe3d72SLawrence Tang //Command & status. 384dbe3d72SLawrence Tang json_object* command_status = json_object_new_object(); 394dbe3d72SLawrence Tang json_object_object_add(command_status, "commandRegister", json_object_new_uint64(pcie_error->CommandStatus & 0xFFFF)); 404dbe3d72SLawrence Tang json_object_object_add(command_status, "statusRegister", json_object_new_uint64(pcie_error->CommandStatus >> 16)); 414dbe3d72SLawrence Tang json_object_object_add(section_ir, "commandStatus", command_status); 424dbe3d72SLawrence Tang 434dbe3d72SLawrence Tang //PCIe Device ID. 444dbe3d72SLawrence Tang json_object* device_id = json_object_new_object(); 45db1b7ce2SLawrence Tang UINT64 class_id = (pcie_error->DevBridge.ClassCode[0] << 16) + 464dbe3d72SLawrence Tang (pcie_error->DevBridge.ClassCode[1] << 8) + 47db1b7ce2SLawrence Tang pcie_error->DevBridge.ClassCode[2]; 484dbe3d72SLawrence Tang json_object_object_add(device_id, "vendorID", json_object_new_uint64(pcie_error->DevBridge.VendorId)); 494dbe3d72SLawrence Tang json_object_object_add(device_id, "deviceID", json_object_new_uint64(pcie_error->DevBridge.DeviceId)); 504dbe3d72SLawrence Tang json_object_object_add(device_id, "classCode", json_object_new_uint64(class_id)); 514dbe3d72SLawrence Tang json_object_object_add(device_id, "functionNumber", json_object_new_uint64(pcie_error->DevBridge.Function)); 524dbe3d72SLawrence Tang json_object_object_add(device_id, "deviceNumber", json_object_new_uint64(pcie_error->DevBridge.Device)); 534dbe3d72SLawrence Tang json_object_object_add(device_id, "segmentNumber", json_object_new_uint64(pcie_error->DevBridge.Segment)); 544dbe3d72SLawrence Tang json_object_object_add(device_id, "primaryOrDeviceBusNumber", json_object_new_uint64(pcie_error->DevBridge.PrimaryOrDeviceBus)); 554dbe3d72SLawrence Tang json_object_object_add(device_id, "secondaryBusNumber", json_object_new_uint64(pcie_error->DevBridge.SecondaryBus)); 564dbe3d72SLawrence Tang json_object_object_add(device_id, "slotNumber", json_object_new_uint64(pcie_error->DevBridge.Slot.Number)); 574dbe3d72SLawrence Tang json_object_object_add(section_ir, "deviceID", device_id); 584dbe3d72SLawrence Tang 594dbe3d72SLawrence Tang //Device serial number. 604dbe3d72SLawrence Tang json_object_object_add(section_ir, "deviceSerialNumber", json_object_new_uint64(pcie_error->SerialNo)); 614dbe3d72SLawrence Tang 624dbe3d72SLawrence Tang //Bridge control status. 634dbe3d72SLawrence Tang json_object* bridge_control_status = json_object_new_object(); 644dbe3d72SLawrence Tang json_object_object_add(bridge_control_status, "secondaryStatusRegister", 654dbe3d72SLawrence Tang json_object_new_uint64(pcie_error->BridgeControlStatus & 0xFFFF)); 664dbe3d72SLawrence Tang json_object_object_add(bridge_control_status, "controlRegister", 674dbe3d72SLawrence Tang json_object_new_uint64(pcie_error->BridgeControlStatus >> 16)); 684dbe3d72SLawrence Tang json_object_object_add(section_ir, "bridgeControlStatus", bridge_control_status); 694dbe3d72SLawrence Tang 704dbe3d72SLawrence Tang //Capability structure. 71*6c461e90SLawrence Tang //The PCIe capability structure provided here could either be PCIe 1.1 Capability Structure 72*6c461e90SLawrence Tang //(36-byte, padded to 60 bytes) or PCIe 2.0 Capability Structure (60-byte). There does not seem 73*6c461e90SLawrence Tang //to be a way to differentiate these, so this is left as a b64 dump. 74*6c461e90SLawrence Tang char* encoded = b64_encode((unsigned char*)pcie_error->Capability.PcieCap, 60); 75*6c461e90SLawrence Tang json_object* capability = json_object_new_object(); 76*6c461e90SLawrence Tang json_object_object_add(capability, "data", json_object_new_string(encoded)); 77*6c461e90SLawrence Tang free(encoded); 78*6c461e90SLawrence Tang json_object_object_add(section_ir, "capabilityStructure", capability); 794dbe3d72SLawrence Tang 804dbe3d72SLawrence Tang //AER information. 81*6c461e90SLawrence Tang json_object* aer_capability_ir = json_object_new_object(); 82*6c461e90SLawrence Tang EFI_PCIE_ADV_ERROR_EXT_CAPABILITY* aer_capability = (EFI_PCIE_ADV_ERROR_EXT_CAPABILITY*)pcie_error->AerInfo.PcieAer; 83*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "capabilityID", 84*6c461e90SLawrence Tang json_object_new_uint64(aer_capability->Header.PcieExtendedCapabilityId)); 85*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "capabilityVersion", 86*6c461e90SLawrence Tang json_object_new_uint64(aer_capability->Header.CapabilityVersion)); 87*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "uncorrectableErrorStatusRegister", 88*6c461e90SLawrence Tang json_object_new_uint64(aer_capability->UncorrectableErrorStatusReg)); 89*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "uncorrectableErrorMaskRegister", 90*6c461e90SLawrence Tang json_object_new_uint64(aer_capability->UncorrectableErrorMaskReg)); 91*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "uncorrectableErrorSeverityRegister", 92*6c461e90SLawrence Tang json_object_new_uint64(aer_capability->UncorrectableErrorSeverityReg)); 93*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "correctableErrorStatusRegister", 94*6c461e90SLawrence Tang json_object_new_uint64(aer_capability->CorrectableErrorStatusReg)); 95*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "correctableErrorMaskRegister", 96*6c461e90SLawrence Tang json_object_new_uint64(aer_capability->CorrectableErrorMaskReg)); 97*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "aeccReg", json_object_new_uint64(aer_capability->AeccReg)); 984dbe3d72SLawrence Tang 99*6c461e90SLawrence Tang //Header log register (b64). 100*6c461e90SLawrence Tang encoded = b64_encode((unsigned char*)aer_capability->HeaderLogReg, 16); 101*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "headerLogRegister", json_object_new_string(encoded)); 102*6c461e90SLawrence Tang free(encoded); 103*6c461e90SLawrence Tang 104*6c461e90SLawrence Tang //Remaining AER fields. 105*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "rootErrorCommand", 106*6c461e90SLawrence Tang json_object_new_uint64(aer_capability->RootErrorCommand)); 107*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "rootErrorStatus", 108*6c461e90SLawrence Tang json_object_new_uint64(aer_capability->RootErrorStatus)); 109*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "errorSourceIDRegister", 110*6c461e90SLawrence Tang json_object_new_uint64(aer_capability->ErrorSourceIdReg)); 111*6c461e90SLawrence Tang json_object_object_add(aer_capability_ir, "correctableErrorSourceIDRegister", 112*6c461e90SLawrence Tang json_object_new_uint64(aer_capability->CorrectableSourceIdReg)); 113*6c461e90SLawrence Tang 114*6c461e90SLawrence Tang json_object_object_add(section_ir, "aerInfo", aer_capability_ir); 1154dbe3d72SLawrence Tang return section_ir; 1164dbe3d72SLawrence Tang }