1*a416ec93SLawrence Tang /** 2*a416ec93SLawrence Tang * Describes functions for converting PCI/PCI-X device CPER sections from binary and JSON format 3*a416ec93SLawrence Tang * into an intermediate format. 4*a416ec93SLawrence Tang * 5*a416ec93SLawrence Tang * Author: Lawrence.Tang@arm.com 6*a416ec93SLawrence Tang **/ 7*a416ec93SLawrence Tang #include <stdio.h> 8*a416ec93SLawrence Tang #include "json.h" 9*a416ec93SLawrence Tang #include "../edk/Cper.h" 10*a416ec93SLawrence Tang #include "../cper-utils.h" 11*a416ec93SLawrence Tang #include "cper-section-pci-dev.h" 12*a416ec93SLawrence Tang 13*a416ec93SLawrence Tang //Converts a single PCI/PCI-X device CPER section into JSON IR. 14*a416ec93SLawrence Tang json_object* cper_section_pci_dev_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor) 15*a416ec93SLawrence Tang { 16*a416ec93SLawrence Tang EFI_PCI_PCIX_DEVICE_ERROR_DATA* dev_error = (EFI_PCI_PCIX_DEVICE_ERROR_DATA*)section; 17*a416ec93SLawrence Tang json_object* section_ir = json_object_new_object(); 18*a416ec93SLawrence Tang 19*a416ec93SLawrence Tang //Validation bits. 20*a416ec93SLawrence Tang json_object* validation = bitfield_to_ir(dev_error->ValidFields, 5, PCI_DEV_ERROR_VALID_BITFIELD_NAMES); 21*a416ec93SLawrence Tang json_object_object_add(section_ir, "validationBits", validation); 22*a416ec93SLawrence Tang 23*a416ec93SLawrence Tang //Error status. 24*a416ec93SLawrence Tang json_object* error_status = cper_generic_error_status_to_ir(&dev_error->ErrorStatus); 25*a416ec93SLawrence Tang json_object_object_add(section_ir, "errorStatus", error_status); 26*a416ec93SLawrence Tang 27*a416ec93SLawrence Tang //ID information. 28*a416ec93SLawrence Tang json_object* id_info = json_object_new_object(); 29*a416ec93SLawrence Tang json_object_object_add(id_info, "vendorID", json_object_new_uint64(dev_error->IdInfo.VendorId)); 30*a416ec93SLawrence Tang json_object_object_add(id_info, "deviceID", json_object_new_uint64(dev_error->IdInfo.DeviceId)); 31*a416ec93SLawrence Tang json_object_object_add(id_info, "classCode", json_object_new_uint64(dev_error->IdInfo.ClassCode)); 32*a416ec93SLawrence Tang json_object_object_add(id_info, "functionNumber", json_object_new_uint64(dev_error->IdInfo.FunctionNumber)); 33*a416ec93SLawrence Tang json_object_object_add(id_info, "deviceNumber", json_object_new_uint64(dev_error->IdInfo.DeviceNumber)); 34*a416ec93SLawrence Tang json_object_object_add(id_info, "busNumber", json_object_new_uint64(dev_error->IdInfo.BusNumber)); 35*a416ec93SLawrence Tang json_object_object_add(id_info, "segmentNumber", json_object_new_uint64(dev_error->IdInfo.SegmentNumber)); 36*a416ec93SLawrence Tang json_object_object_add(section_ir, "idInfo", id_info); 37*a416ec93SLawrence Tang 38*a416ec93SLawrence Tang //Number of following register data pairs. 39*a416ec93SLawrence Tang json_object_object_add(section_ir, "memoryNumber", json_object_new_uint64(dev_error->MemoryNumber)); 40*a416ec93SLawrence Tang json_object_object_add(section_ir, "ioNumber", json_object_new_uint64(dev_error->IoNumber)); 41*a416ec93SLawrence Tang int num_data_pairs = dev_error->MemoryNumber + dev_error->IoNumber; 42*a416ec93SLawrence Tang 43*a416ec93SLawrence Tang //Register pairs, described by the numeric fields. 44*a416ec93SLawrence Tang //The actual "pairs" of address and data aren't necessarily 8 bytes long, so can't assume the contents. 45*a416ec93SLawrence Tang //Hence the naming "firstHalf" and "secondHalf" rather than "address" and "data". 46*a416ec93SLawrence Tang json_object* register_data_pair_array = json_object_new_array(); 47*a416ec93SLawrence Tang UINT64* cur_pos = (UINT64*)(dev_error + 1); 48*a416ec93SLawrence Tang for (int i=0; i<num_data_pairs; i++) 49*a416ec93SLawrence Tang { 50*a416ec93SLawrence Tang //Save current pair to array. 51*a416ec93SLawrence Tang json_object* register_data_pair = json_object_new_object(); 52*a416ec93SLawrence Tang json_object_object_add(register_data_pair, "firstHalf", json_object_new_uint64(*cur_pos)); 53*a416ec93SLawrence Tang json_object_object_add(register_data_pair, "secondHalf", json_object_new_uint64(*(cur_pos + 1))); 54*a416ec93SLawrence Tang json_object_array_add(register_data_pair_array, register_data_pair); 55*a416ec93SLawrence Tang 56*a416ec93SLawrence Tang //Move to next pair. 57*a416ec93SLawrence Tang cur_pos += 2; 58*a416ec93SLawrence Tang } 59*a416ec93SLawrence Tang json_object_object_add(section_ir, "registerDataPairs", register_data_pair_array); 60*a416ec93SLawrence Tang 61*a416ec93SLawrence Tang return section_ir; 62*a416ec93SLawrence Tang }