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> 8*5202bbb4SLawrence 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. 14e407b4c8SLawrence Tang json_object * 15e407b4c8SLawrence Tang cper_section_pci_dev_to_ir(void *section, 16e407b4c8SLawrence Tang EFI_ERROR_SECTION_DESCRIPTOR *descriptor) 17a416ec93SLawrence Tang { 18e407b4c8SLawrence Tang EFI_PCI_PCIX_DEVICE_ERROR_DATA *dev_error = 19e407b4c8SLawrence Tang (EFI_PCI_PCIX_DEVICE_ERROR_DATA *)section; 20a416ec93SLawrence Tang json_object *section_ir = json_object_new_object(); 21a416ec93SLawrence Tang 22a416ec93SLawrence Tang //Validation bits. 23e407b4c8SLawrence Tang json_object *validation = bitfield_to_ir( 24e407b4c8SLawrence Tang dev_error->ValidFields, 5, PCI_DEV_ERROR_VALID_BITFIELD_NAMES); 25a416ec93SLawrence Tang json_object_object_add(section_ir, "validationBits", validation); 26a416ec93SLawrence Tang 27a416ec93SLawrence Tang //Error status. 28e407b4c8SLawrence Tang json_object *error_status = 29e407b4c8SLawrence Tang cper_generic_error_status_to_ir(&dev_error->ErrorStatus); 30a416ec93SLawrence Tang json_object_object_add(section_ir, "errorStatus", error_status); 31a416ec93SLawrence Tang 32a416ec93SLawrence Tang //ID information. 33a416ec93SLawrence Tang json_object *id_info = json_object_new_object(); 34e407b4c8SLawrence Tang json_object_object_add( 35e407b4c8SLawrence Tang id_info, "vendorID", 36e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.VendorId)); 37e407b4c8SLawrence Tang json_object_object_add( 38e407b4c8SLawrence Tang id_info, "deviceID", 39e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.DeviceId)); 40e407b4c8SLawrence Tang json_object_object_add( 41e407b4c8SLawrence Tang id_info, "classCode", 42e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.ClassCode)); 43e407b4c8SLawrence Tang json_object_object_add( 44e407b4c8SLawrence Tang id_info, "functionNumber", 45e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.FunctionNumber)); 46e407b4c8SLawrence Tang json_object_object_add( 47e407b4c8SLawrence Tang id_info, "deviceNumber", 48e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.DeviceNumber)); 49e407b4c8SLawrence Tang json_object_object_add( 50e407b4c8SLawrence Tang id_info, "busNumber", 51e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.BusNumber)); 52e407b4c8SLawrence Tang json_object_object_add( 53e407b4c8SLawrence Tang id_info, "segmentNumber", 54e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.SegmentNumber)); 55a416ec93SLawrence Tang json_object_object_add(section_ir, "idInfo", id_info); 56a416ec93SLawrence Tang 57a416ec93SLawrence Tang //Number of following register data pairs. 58e407b4c8SLawrence Tang json_object_object_add(section_ir, "memoryNumber", 59e407b4c8SLawrence Tang json_object_new_uint64(dev_error->MemoryNumber)); 60e407b4c8SLawrence Tang json_object_object_add(section_ir, "ioNumber", 61e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IoNumber)); 62a416ec93SLawrence Tang int num_data_pairs = dev_error->MemoryNumber + dev_error->IoNumber; 63a416ec93SLawrence Tang 64a416ec93SLawrence Tang //Register pairs, described by the numeric fields. 65a416ec93SLawrence Tang //The actual "pairs" of address and data aren't necessarily 8 bytes long, so can't assume the contents. 66a416ec93SLawrence Tang //Hence the naming "firstHalf" and "secondHalf" rather than "address" and "data". 67a416ec93SLawrence Tang json_object *register_data_pair_array = json_object_new_array(); 68a416ec93SLawrence Tang UINT64 *cur_pos = (UINT64 *)(dev_error + 1); 69e407b4c8SLawrence Tang for (int i = 0; i < num_data_pairs; i++) { 70a416ec93SLawrence Tang //Save current pair to array. 71a416ec93SLawrence Tang json_object *register_data_pair = json_object_new_object(); 72e407b4c8SLawrence Tang json_object_object_add(register_data_pair, "firstHalf", 73e407b4c8SLawrence Tang json_object_new_uint64(*cur_pos)); 74e407b4c8SLawrence Tang json_object_object_add(register_data_pair, "secondHalf", 75e407b4c8SLawrence Tang json_object_new_uint64(*(cur_pos + 1))); 76e407b4c8SLawrence Tang json_object_array_add(register_data_pair_array, 77e407b4c8SLawrence Tang register_data_pair); 78a416ec93SLawrence Tang 79a416ec93SLawrence Tang //Move to next pair. 80a416ec93SLawrence Tang cur_pos += 2; 81a416ec93SLawrence Tang } 82e407b4c8SLawrence Tang json_object_object_add(section_ir, "registerDataPairs", 83e407b4c8SLawrence Tang register_data_pair_array); 84a416ec93SLawrence Tang 85a416ec93SLawrence Tang return section_ir; 86a416ec93SLawrence Tang } 87205dd1d7SLawrence Tang 88205dd1d7SLawrence Tang void ir_section_pci_dev_to_cper(json_object *section, FILE *out) 89205dd1d7SLawrence Tang { 90205dd1d7SLawrence Tang EFI_PCI_PCIX_DEVICE_ERROR_DATA *section_cper = 91e407b4c8SLawrence Tang (EFI_PCI_PCIX_DEVICE_ERROR_DATA *)calloc( 92e407b4c8SLawrence Tang 1, sizeof(EFI_PCI_PCIX_DEVICE_ERROR_DATA)); 93205dd1d7SLawrence Tang 94205dd1d7SLawrence Tang //Validation bits. 95e407b4c8SLawrence Tang section_cper->ValidFields = ir_to_bitfield( 96e407b4c8SLawrence Tang json_object_object_get(section, "validationBits"), 5, 97e407b4c8SLawrence Tang PCI_DEV_ERROR_VALID_BITFIELD_NAMES); 98205dd1d7SLawrence Tang 99205dd1d7SLawrence Tang //Error status. 100e407b4c8SLawrence Tang ir_generic_error_status_to_cper(json_object_object_get(section, 101e407b4c8SLawrence Tang "errorStatus"), 102e407b4c8SLawrence Tang §ion_cper->ErrorStatus); 103205dd1d7SLawrence Tang 104205dd1d7SLawrence Tang //Device ID information. 105205dd1d7SLawrence Tang json_object *id_info = json_object_object_get(section, "idInfo"); 106e407b4c8SLawrence Tang section_cper->IdInfo.VendorId = json_object_get_uint64( 107e407b4c8SLawrence Tang json_object_object_get(id_info, "vendorID")); 108e407b4c8SLawrence Tang section_cper->IdInfo.DeviceId = json_object_get_uint64( 109e407b4c8SLawrence Tang json_object_object_get(id_info, "deviceID")); 110e407b4c8SLawrence Tang section_cper->IdInfo.ClassCode = json_object_get_uint64( 111e407b4c8SLawrence Tang json_object_object_get(id_info, "classCode")); 112e407b4c8SLawrence Tang section_cper->IdInfo.FunctionNumber = json_object_get_uint64( 113e407b4c8SLawrence Tang json_object_object_get(id_info, "functionNumber")); 114e407b4c8SLawrence Tang section_cper->IdInfo.DeviceNumber = json_object_get_uint64( 115e407b4c8SLawrence Tang json_object_object_get(id_info, "deviceNumber")); 116e407b4c8SLawrence Tang section_cper->IdInfo.BusNumber = json_object_get_uint64( 117e407b4c8SLawrence Tang json_object_object_get(id_info, "busNumber")); 118e407b4c8SLawrence Tang section_cper->IdInfo.SegmentNumber = json_object_get_uint64( 119e407b4c8SLawrence Tang json_object_object_get(id_info, "segmentNumber")); 120205dd1d7SLawrence Tang 121205dd1d7SLawrence Tang //Amount of following data pairs. 122e407b4c8SLawrence Tang section_cper->MemoryNumber = (UINT32)json_object_get_uint64( 123e407b4c8SLawrence Tang json_object_object_get(section, "memoryNumber")); 124e407b4c8SLawrence Tang section_cper->IoNumber = (UINT32)json_object_get_uint64( 125e407b4c8SLawrence Tang json_object_object_get(section, "ioNumber")); 126205dd1d7SLawrence Tang 127205dd1d7SLawrence Tang //Write header out to stream, free it. 1280a4b3f2dSLawrence Tang fwrite(section_cper, sizeof(EFI_PCI_PCIX_DEVICE_ERROR_DATA), 1, out); 129205dd1d7SLawrence Tang fflush(out); 130205dd1d7SLawrence Tang free(section_cper); 131205dd1d7SLawrence Tang 132205dd1d7SLawrence Tang //Begin writing register pairs. 133e407b4c8SLawrence Tang json_object *register_pairs = 134e407b4c8SLawrence Tang json_object_object_get(section, "registerDataPairs"); 135205dd1d7SLawrence Tang int num_pairs = json_object_array_length(register_pairs); 136e407b4c8SLawrence Tang for (int i = 0; i < num_pairs; i++) { 137205dd1d7SLawrence Tang //Get the pair array item out. 138e407b4c8SLawrence Tang json_object *register_pair = 139e407b4c8SLawrence Tang json_object_array_get_idx(register_pairs, i); 140205dd1d7SLawrence Tang 141205dd1d7SLawrence Tang //Create the pair array. 142205dd1d7SLawrence Tang UINT64 pair[2]; 143e407b4c8SLawrence Tang pair[0] = json_object_get_uint64( 144e407b4c8SLawrence Tang json_object_object_get(register_pair, "firstHalf")); 145e407b4c8SLawrence Tang pair[1] = json_object_get_uint64( 146e407b4c8SLawrence Tang json_object_object_get(register_pair, "secondHalf")); 147205dd1d7SLawrence Tang 148205dd1d7SLawrence Tang //Push to stream. 149205dd1d7SLawrence Tang fwrite(pair, sizeof(UINT64), 2, out); 150205dd1d7SLawrence Tang fflush(out); 151205dd1d7SLawrence Tang } 152205dd1d7SLawrence Tang }