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. 14*e407b4c8SLawrence Tang json_object * 15*e407b4c8SLawrence Tang cper_section_pci_dev_to_ir(void *section, 16*e407b4c8SLawrence Tang EFI_ERROR_SECTION_DESCRIPTOR *descriptor) 17a416ec93SLawrence Tang { 18*e407b4c8SLawrence Tang EFI_PCI_PCIX_DEVICE_ERROR_DATA *dev_error = 19*e407b4c8SLawrence Tang (EFI_PCI_PCIX_DEVICE_ERROR_DATA *)section; 20a416ec93SLawrence Tang json_object *section_ir = json_object_new_object(); 21a416ec93SLawrence Tang 22a416ec93SLawrence Tang //Validation bits. 23*e407b4c8SLawrence Tang json_object *validation = bitfield_to_ir( 24*e407b4c8SLawrence 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. 28*e407b4c8SLawrence Tang json_object *error_status = 29*e407b4c8SLawrence 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(); 34*e407b4c8SLawrence Tang json_object_object_add( 35*e407b4c8SLawrence Tang id_info, "vendorID", 36*e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.VendorId)); 37*e407b4c8SLawrence Tang json_object_object_add( 38*e407b4c8SLawrence Tang id_info, "deviceID", 39*e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.DeviceId)); 40*e407b4c8SLawrence Tang json_object_object_add( 41*e407b4c8SLawrence Tang id_info, "classCode", 42*e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.ClassCode)); 43*e407b4c8SLawrence Tang json_object_object_add( 44*e407b4c8SLawrence Tang id_info, "functionNumber", 45*e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.FunctionNumber)); 46*e407b4c8SLawrence Tang json_object_object_add( 47*e407b4c8SLawrence Tang id_info, "deviceNumber", 48*e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.DeviceNumber)); 49*e407b4c8SLawrence Tang json_object_object_add( 50*e407b4c8SLawrence Tang id_info, "busNumber", 51*e407b4c8SLawrence Tang json_object_new_uint64(dev_error->IdInfo.BusNumber)); 52*e407b4c8SLawrence Tang json_object_object_add( 53*e407b4c8SLawrence Tang id_info, "segmentNumber", 54*e407b4c8SLawrence 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. 58*e407b4c8SLawrence Tang json_object_object_add(section_ir, "memoryNumber", 59*e407b4c8SLawrence Tang json_object_new_uint64(dev_error->MemoryNumber)); 60*e407b4c8SLawrence Tang json_object_object_add(section_ir, "ioNumber", 61*e407b4c8SLawrence 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); 69*e407b4c8SLawrence 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(); 72*e407b4c8SLawrence Tang json_object_object_add(register_data_pair, "firstHalf", 73*e407b4c8SLawrence Tang json_object_new_uint64(*cur_pos)); 74*e407b4c8SLawrence Tang json_object_object_add(register_data_pair, "secondHalf", 75*e407b4c8SLawrence Tang json_object_new_uint64(*(cur_pos + 1))); 76*e407b4c8SLawrence Tang json_object_array_add(register_data_pair_array, 77*e407b4c8SLawrence Tang register_data_pair); 78a416ec93SLawrence Tang 79a416ec93SLawrence Tang //Move to next pair. 80a416ec93SLawrence Tang cur_pos += 2; 81a416ec93SLawrence Tang } 82*e407b4c8SLawrence Tang json_object_object_add(section_ir, "registerDataPairs", 83*e407b4c8SLawrence 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 = 91*e407b4c8SLawrence Tang (EFI_PCI_PCIX_DEVICE_ERROR_DATA *)calloc( 92*e407b4c8SLawrence Tang 1, sizeof(EFI_PCI_PCIX_DEVICE_ERROR_DATA)); 93205dd1d7SLawrence Tang 94205dd1d7SLawrence Tang //Validation bits. 95*e407b4c8SLawrence Tang section_cper->ValidFields = ir_to_bitfield( 96*e407b4c8SLawrence Tang json_object_object_get(section, "validationBits"), 5, 97*e407b4c8SLawrence Tang PCI_DEV_ERROR_VALID_BITFIELD_NAMES); 98205dd1d7SLawrence Tang 99205dd1d7SLawrence Tang //Error status. 100*e407b4c8SLawrence Tang ir_generic_error_status_to_cper(json_object_object_get(section, 101*e407b4c8SLawrence Tang "errorStatus"), 102*e407b4c8SLawrence Tang §ion_cper->ErrorStatus); 103205dd1d7SLawrence Tang 104205dd1d7SLawrence Tang //Device ID information. 105205dd1d7SLawrence Tang json_object *id_info = json_object_object_get(section, "idInfo"); 106*e407b4c8SLawrence Tang section_cper->IdInfo.VendorId = json_object_get_uint64( 107*e407b4c8SLawrence Tang json_object_object_get(id_info, "vendorID")); 108*e407b4c8SLawrence Tang section_cper->IdInfo.DeviceId = json_object_get_uint64( 109*e407b4c8SLawrence Tang json_object_object_get(id_info, "deviceID")); 110*e407b4c8SLawrence Tang section_cper->IdInfo.ClassCode = json_object_get_uint64( 111*e407b4c8SLawrence Tang json_object_object_get(id_info, "classCode")); 112*e407b4c8SLawrence Tang section_cper->IdInfo.FunctionNumber = json_object_get_uint64( 113*e407b4c8SLawrence Tang json_object_object_get(id_info, "functionNumber")); 114*e407b4c8SLawrence Tang section_cper->IdInfo.DeviceNumber = json_object_get_uint64( 115*e407b4c8SLawrence Tang json_object_object_get(id_info, "deviceNumber")); 116*e407b4c8SLawrence Tang section_cper->IdInfo.BusNumber = json_object_get_uint64( 117*e407b4c8SLawrence Tang json_object_object_get(id_info, "busNumber")); 118*e407b4c8SLawrence Tang section_cper->IdInfo.SegmentNumber = json_object_get_uint64( 119*e407b4c8SLawrence Tang json_object_object_get(id_info, "segmentNumber")); 120205dd1d7SLawrence Tang 121205dd1d7SLawrence Tang //Amount of following data pairs. 122*e407b4c8SLawrence Tang section_cper->MemoryNumber = (UINT32)json_object_get_uint64( 123*e407b4c8SLawrence Tang json_object_object_get(section, "memoryNumber")); 124*e407b4c8SLawrence Tang section_cper->IoNumber = (UINT32)json_object_get_uint64( 125*e407b4c8SLawrence 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. 133*e407b4c8SLawrence Tang json_object *register_pairs = 134*e407b4c8SLawrence Tang json_object_object_get(section, "registerDataPairs"); 135205dd1d7SLawrence Tang int num_pairs = json_object_array_length(register_pairs); 136*e407b4c8SLawrence Tang for (int i = 0; i < num_pairs; i++) { 137205dd1d7SLawrence Tang //Get the pair array item out. 138*e407b4c8SLawrence Tang json_object *register_pair = 139*e407b4c8SLawrence Tang json_object_array_get_idx(register_pairs, i); 140205dd1d7SLawrence Tang 141205dd1d7SLawrence Tang //Create the pair array. 142205dd1d7SLawrence Tang UINT64 pair[2]; 143*e407b4c8SLawrence Tang pair[0] = json_object_get_uint64( 144*e407b4c8SLawrence Tang json_object_object_get(register_pair, "firstHalf")); 145*e407b4c8SLawrence Tang pair[1] = json_object_get_uint64( 146*e407b4c8SLawrence 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 }