1a416ec93SLawrence Tang /** 2a416ec93SLawrence Tang * Describes functions for converting PCI/PCI-X device CPER sections from binary and JSON format 3a416ec93SLawrence Tang * into an intermediate format. 4a416ec93SLawrence Tang * 5a416ec93SLawrence Tang * Author: Lawrence.Tang@arm.com 6a416ec93SLawrence Tang **/ 7a416ec93SLawrence Tang #include <stdio.h> 8a416ec93SLawrence Tang #include "json.h" 9a416ec93SLawrence Tang #include "../edk/Cper.h" 10a416ec93SLawrence Tang #include "../cper-utils.h" 11a416ec93SLawrence Tang #include "cper-section-pci-dev.h" 12a416ec93SLawrence Tang 13a416ec93SLawrence Tang //Converts a single PCI/PCI-X device CPER section into JSON IR. 14a416ec93SLawrence Tang json_object* cper_section_pci_dev_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor) 15a416ec93SLawrence Tang { 16a416ec93SLawrence Tang EFI_PCI_PCIX_DEVICE_ERROR_DATA* dev_error = (EFI_PCI_PCIX_DEVICE_ERROR_DATA*)section; 17a416ec93SLawrence Tang json_object* section_ir = json_object_new_object(); 18a416ec93SLawrence Tang 19a416ec93SLawrence Tang //Validation bits. 20a416ec93SLawrence Tang json_object* validation = bitfield_to_ir(dev_error->ValidFields, 5, PCI_DEV_ERROR_VALID_BITFIELD_NAMES); 21a416ec93SLawrence Tang json_object_object_add(section_ir, "validationBits", validation); 22a416ec93SLawrence Tang 23a416ec93SLawrence Tang //Error status. 24a416ec93SLawrence Tang json_object* error_status = cper_generic_error_status_to_ir(&dev_error->ErrorStatus); 25a416ec93SLawrence Tang json_object_object_add(section_ir, "errorStatus", error_status); 26a416ec93SLawrence Tang 27a416ec93SLawrence Tang //ID information. 28a416ec93SLawrence Tang json_object* id_info = json_object_new_object(); 29a416ec93SLawrence Tang json_object_object_add(id_info, "vendorID", json_object_new_uint64(dev_error->IdInfo.VendorId)); 30a416ec93SLawrence Tang json_object_object_add(id_info, "deviceID", json_object_new_uint64(dev_error->IdInfo.DeviceId)); 31a416ec93SLawrence Tang json_object_object_add(id_info, "classCode", json_object_new_uint64(dev_error->IdInfo.ClassCode)); 32a416ec93SLawrence Tang json_object_object_add(id_info, "functionNumber", json_object_new_uint64(dev_error->IdInfo.FunctionNumber)); 33a416ec93SLawrence Tang json_object_object_add(id_info, "deviceNumber", json_object_new_uint64(dev_error->IdInfo.DeviceNumber)); 34a416ec93SLawrence Tang json_object_object_add(id_info, "busNumber", json_object_new_uint64(dev_error->IdInfo.BusNumber)); 35a416ec93SLawrence Tang json_object_object_add(id_info, "segmentNumber", json_object_new_uint64(dev_error->IdInfo.SegmentNumber)); 36a416ec93SLawrence Tang json_object_object_add(section_ir, "idInfo", id_info); 37a416ec93SLawrence Tang 38a416ec93SLawrence Tang //Number of following register data pairs. 39a416ec93SLawrence Tang json_object_object_add(section_ir, "memoryNumber", json_object_new_uint64(dev_error->MemoryNumber)); 40a416ec93SLawrence Tang json_object_object_add(section_ir, "ioNumber", json_object_new_uint64(dev_error->IoNumber)); 41a416ec93SLawrence Tang int num_data_pairs = dev_error->MemoryNumber + dev_error->IoNumber; 42a416ec93SLawrence Tang 43a416ec93SLawrence Tang //Register pairs, described by the numeric fields. 44a416ec93SLawrence Tang //The actual "pairs" of address and data aren't necessarily 8 bytes long, so can't assume the contents. 45a416ec93SLawrence Tang //Hence the naming "firstHalf" and "secondHalf" rather than "address" and "data". 46a416ec93SLawrence Tang json_object* register_data_pair_array = json_object_new_array(); 47a416ec93SLawrence Tang UINT64* cur_pos = (UINT64*)(dev_error + 1); 48a416ec93SLawrence Tang for (int i=0; i<num_data_pairs; i++) 49a416ec93SLawrence Tang { 50a416ec93SLawrence Tang //Save current pair to array. 51a416ec93SLawrence Tang json_object* register_data_pair = json_object_new_object(); 52a416ec93SLawrence Tang json_object_object_add(register_data_pair, "firstHalf", json_object_new_uint64(*cur_pos)); 53a416ec93SLawrence Tang json_object_object_add(register_data_pair, "secondHalf", json_object_new_uint64(*(cur_pos + 1))); 54a416ec93SLawrence Tang json_object_array_add(register_data_pair_array, register_data_pair); 55a416ec93SLawrence Tang 56a416ec93SLawrence Tang //Move to next pair. 57a416ec93SLawrence Tang cur_pos += 2; 58a416ec93SLawrence Tang } 59a416ec93SLawrence Tang json_object_object_add(section_ir, "registerDataPairs", register_data_pair_array); 60a416ec93SLawrence Tang 61a416ec93SLawrence Tang return section_ir; 62a416ec93SLawrence Tang } 63*205dd1d7SLawrence Tang 64*205dd1d7SLawrence Tang void ir_section_pci_dev_to_cper(json_object* section, FILE* out) 65*205dd1d7SLawrence Tang { 66*205dd1d7SLawrence Tang EFI_PCI_PCIX_DEVICE_ERROR_DATA* section_cper = 67*205dd1d7SLawrence Tang (EFI_PCI_PCIX_DEVICE_ERROR_DATA*)calloc(1, sizeof(EFI_PCI_PCIX_DEVICE_ERROR_DATA)); 68*205dd1d7SLawrence Tang 69*205dd1d7SLawrence Tang //Validation bits. 70*205dd1d7SLawrence Tang section_cper->ValidFields = ir_to_bitfield(json_object_object_get(section, "validationBits"), 71*205dd1d7SLawrence Tang 5, PCI_DEV_ERROR_VALID_BITFIELD_NAMES); 72*205dd1d7SLawrence Tang 73*205dd1d7SLawrence Tang //Error status. 74*205dd1d7SLawrence Tang ir_generic_error_status_to_cper(json_object_object_get(section, "errorStatus"), §ion_cper->ErrorStatus); 75*205dd1d7SLawrence Tang 76*205dd1d7SLawrence Tang //Device ID information. 77*205dd1d7SLawrence Tang json_object* id_info = json_object_object_get(section, "idInfo"); 78*205dd1d7SLawrence Tang section_cper->IdInfo.VendorId = json_object_get_uint64(json_object_object_get(id_info, "vendorID")); 79*205dd1d7SLawrence Tang section_cper->IdInfo.DeviceId = json_object_get_uint64(json_object_object_get(id_info, "deviceID")); 80*205dd1d7SLawrence Tang section_cper->IdInfo.ClassCode = json_object_get_uint64(json_object_object_get(id_info, "classCode")); 81*205dd1d7SLawrence Tang section_cper->IdInfo.FunctionNumber = json_object_get_uint64(json_object_object_get(id_info, "functionNumber")); 82*205dd1d7SLawrence Tang section_cper->IdInfo.DeviceNumber = json_object_get_uint64(json_object_object_get(id_info, "deviceNumber")); 83*205dd1d7SLawrence Tang section_cper->IdInfo.BusNumber = json_object_get_uint64(json_object_object_get(id_info, "busNumber")); 84*205dd1d7SLawrence Tang section_cper->IdInfo.SegmentNumber = json_object_get_uint64(json_object_object_get(id_info, "segmentNumber")); 85*205dd1d7SLawrence Tang 86*205dd1d7SLawrence Tang //Amount of following data pairs. 87*205dd1d7SLawrence Tang section_cper->MemoryNumber = (UINT32)json_object_get_uint64(json_object_object_get(section, "memoryNumber")); 88*205dd1d7SLawrence Tang section_cper->IoNumber = (UINT32)json_object_get_uint64(json_object_object_get(section, "ioNumber")); 89*205dd1d7SLawrence Tang 90*205dd1d7SLawrence Tang //Write header out to stream, free it. 91*205dd1d7SLawrence Tang fwrite(§ion_cper, sizeof(section_cper), 1, out); 92*205dd1d7SLawrence Tang fflush(out); 93*205dd1d7SLawrence Tang free(section_cper); 94*205dd1d7SLawrence Tang 95*205dd1d7SLawrence Tang //Begin writing register pairs. 96*205dd1d7SLawrence Tang json_object* register_pairs = json_object_object_get(section, "registerPairs"); 97*205dd1d7SLawrence Tang int num_pairs = json_object_array_length(register_pairs); 98*205dd1d7SLawrence Tang for (int i=0; i<num_pairs; i++) 99*205dd1d7SLawrence Tang { 100*205dd1d7SLawrence Tang //Get the pair array item out. 101*205dd1d7SLawrence Tang json_object* register_pair = json_object_array_get_idx(register_pairs, i); 102*205dd1d7SLawrence Tang 103*205dd1d7SLawrence Tang //Create the pair array. 104*205dd1d7SLawrence Tang UINT64 pair[2]; 105*205dd1d7SLawrence Tang pair[0] = json_object_get_uint64(json_object_object_get(register_pair, "firstHalf")); 106*205dd1d7SLawrence Tang pair[1] = json_object_get_uint64(json_object_object_get(register_pair, "secondHalf")); 107*205dd1d7SLawrence Tang 108*205dd1d7SLawrence Tang //Push to stream. 109*205dd1d7SLawrence Tang fwrite(pair, sizeof(UINT64), 2, out); 110*205dd1d7SLawrence Tang fflush(out); 111*205dd1d7SLawrence Tang } 112*205dd1d7SLawrence Tang }