cper-section-pcie.c (3b7f45b562adaa70cbc645526581fa5f303c3c35) cper-section-pcie.c (3ab351fe5f23568c5a2284d769937916d60e4c3d)
1/**
2 * Describes functions for converting PCIe CPER sections from binary and JSON format
3 * into an intermediate format.
4 *
5 * Author: Lawrence.Tang@arm.com
6 **/
7#include <stdio.h>
8#include <string.h>

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75 char* encoded = b64_encode((unsigned char*)pcie_error->Capability.PcieCap, 60);
76 json_object* capability = json_object_new_object();
77 json_object_object_add(capability, "data", json_object_new_string(encoded));
78 free(encoded);
79 json_object_object_add(section_ir, "capabilityStructure", capability);
80
81 //AER information.
82 json_object* aer_capability_ir = json_object_new_object();
1/**
2 * Describes functions for converting PCIe CPER sections from binary and JSON format
3 * into an intermediate format.
4 *
5 * Author: Lawrence.Tang@arm.com
6 **/
7#include <stdio.h>
8#include <string.h>

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75 char* encoded = b64_encode((unsigned char*)pcie_error->Capability.PcieCap, 60);
76 json_object* capability = json_object_new_object();
77 json_object_object_add(capability, "data", json_object_new_string(encoded));
78 free(encoded);
79 json_object_object_add(section_ir, "capabilityStructure", capability);
80
81 //AER information.
82 json_object* aer_capability_ir = json_object_new_object();
83 EFI_PCIE_ADV_ERROR_EXT_CAPABILITY* aer_capability = (EFI_PCIE_ADV_ERROR_EXT_CAPABILITY*)pcie_error->AerInfo.PcieAer;
84 json_object_object_add(aer_capability_ir, "capabilityID",
85 json_object_new_uint64(aer_capability->Header.PcieExtendedCapabilityId));
86 json_object_object_add(aer_capability_ir, "capabilityVersion",
87 json_object_new_uint64(aer_capability->Header.CapabilityVersion));
88 json_object_object_add(aer_capability_ir, "uncorrectableErrorStatusRegister",
89 json_object_new_uint64(aer_capability->UncorrectableErrorStatusReg));
90 json_object_object_add(aer_capability_ir, "uncorrectableErrorMaskRegister",
91 json_object_new_uint64(aer_capability->UncorrectableErrorMaskReg));
92 json_object_object_add(aer_capability_ir, "uncorrectableErrorSeverityRegister",
93 json_object_new_uint64(aer_capability->UncorrectableErrorSeverityReg));
94 json_object_object_add(aer_capability_ir, "correctableErrorStatusRegister",
95 json_object_new_uint64(aer_capability->CorrectableErrorStatusReg));
96 json_object_object_add(aer_capability_ir, "correctableErrorMaskRegister",
97 json_object_new_uint64(aer_capability->CorrectableErrorMaskReg));
98 json_object_object_add(aer_capability_ir, "aeccReg", json_object_new_uint64(aer_capability->AeccReg));
99
100 //Header log register (b64).
101 encoded = b64_encode((unsigned char*)aer_capability->HeaderLogReg, 16);
102 json_object_object_add(aer_capability_ir, "headerLogRegister", json_object_new_string(encoded));
83 encoded = b64_encode((unsigned char*)pcie_error->AerInfo.PcieAer, 96);
84 json_object_object_add(aer_capability_ir, "data", json_object_new_string(encoded));
103 free(encoded);
85 free(encoded);
104
105 //Remaining AER fields.
106 json_object_object_add(aer_capability_ir, "rootErrorCommand",
107 json_object_new_uint64(aer_capability->RootErrorCommand));
108 json_object_object_add(aer_capability_ir, "rootErrorStatus",
109 json_object_new_uint64(aer_capability->RootErrorStatus));
110 json_object_object_add(aer_capability_ir, "errorSourceIDRegister",
111 json_object_new_uint64(aer_capability->ErrorSourceIdReg));
112 json_object_object_add(aer_capability_ir, "correctableErrorSourceIDRegister",
113 json_object_new_uint64(aer_capability->CorrectableSourceIdReg));
114
115 json_object_object_add(section_ir, "aerInfo", aer_capability_ir);
116 return section_ir;
117}
118
119//Converts a single CPER-JSON PCIe section into CPER binary, outputting to the given stream.
120void ir_section_pcie_to_cper(json_object* section, FILE* out)
121{
122 EFI_PCIE_ERROR_DATA* section_cper = (EFI_PCIE_ERROR_DATA*)calloc(1, sizeof(EFI_PCIE_ERROR_DATA));
123
124 //Validation bits.
125 section_cper->ValidFields = ir_to_bitfield(json_object_object_get(section, "validationBits"),
126 8, PCIE_ERROR_VALID_BITFIELD_NAMES);
127
128 //Version.
129 json_object* version = json_object_object_get(section, "version");
86 json_object_object_add(section_ir, "aerInfo", aer_capability_ir);
87 return section_ir;
88}
89
90//Converts a single CPER-JSON PCIe section into CPER binary, outputting to the given stream.
91void ir_section_pcie_to_cper(json_object* section, FILE* out)
92{
93 EFI_PCIE_ERROR_DATA* section_cper = (EFI_PCIE_ERROR_DATA*)calloc(1, sizeof(EFI_PCIE_ERROR_DATA));
94
95 //Validation bits.
96 section_cper->ValidFields = ir_to_bitfield(json_object_object_get(section, "validationBits"),
97 8, PCIE_ERROR_VALID_BITFIELD_NAMES);
98
99 //Version.
100 json_object* version = json_object_object_get(section, "version");
130 int minor = json_object_get_int(json_object_object_get(version, "minor"));
131 int major = json_object_get_int(json_object_object_get(version, "major"));
132 section_cper->Version = int_to_bcd(minor) + ((UINT16)(int_to_bcd(major)) << 8);
101 UINT32 minor = int_to_bcd(json_object_get_int(json_object_object_get(version, "minor")));
102 UINT32 major = int_to_bcd(json_object_get_int(json_object_object_get(version, "major")));
103 section_cper->Version = minor + (major << 8);
133
134 //Command/status registers.
135 json_object* command_status = json_object_object_get(section, "commandStatus");
136 UINT32 command = (UINT16)json_object_get_uint64(json_object_object_get(command_status, "commandRegister"));
137 UINT32 status = (UINT16)json_object_get_uint64(json_object_object_get(command_status, "statusRegister"));
138 section_cper->CommandStatus = command + (status << 16);
139
140 //Device ID.
141 json_object* device_id = json_object_object_get(section, "deviceID");
142 UINT64 class_id = json_object_get_uint64(json_object_object_get(device_id, "classCode"));
143 section_cper->DevBridge.VendorId =
144 (UINT16)json_object_get_uint64(json_object_object_get(device_id, "vendorID"));
145 section_cper->DevBridge.DeviceId =
146 (UINT16)json_object_get_uint64(json_object_object_get(device_id, "deviceID"));
147 section_cper->DevBridge.ClassCode[0] = class_id >> 16;
148 section_cper->DevBridge.ClassCode[1] = (class_id >> 8) & 0xFF;
104
105 //Command/status registers.
106 json_object* command_status = json_object_object_get(section, "commandStatus");
107 UINT32 command = (UINT16)json_object_get_uint64(json_object_object_get(command_status, "commandRegister"));
108 UINT32 status = (UINT16)json_object_get_uint64(json_object_object_get(command_status, "statusRegister"));
109 section_cper->CommandStatus = command + (status << 16);
110
111 //Device ID.
112 json_object* device_id = json_object_object_get(section, "deviceID");
113 UINT64 class_id = json_object_get_uint64(json_object_object_get(device_id, "classCode"));
114 section_cper->DevBridge.VendorId =
115 (UINT16)json_object_get_uint64(json_object_object_get(device_id, "vendorID"));
116 section_cper->DevBridge.DeviceId =
117 (UINT16)json_object_get_uint64(json_object_object_get(device_id, "deviceID"));
118 section_cper->DevBridge.ClassCode[0] = class_id >> 16;
119 section_cper->DevBridge.ClassCode[1] = (class_id >> 8) & 0xFF;
149 section_cper->DevBridge.ClassCode[1] = class_id & 0xFF;
120 section_cper->DevBridge.ClassCode[2] = class_id & 0xFF;
150 section_cper->DevBridge.Function =
151 (UINT8)json_object_get_uint64(json_object_object_get(device_id, "functionNumber"));
152 section_cper->DevBridge.Device =
153 (UINT8)json_object_get_uint64(json_object_object_get(device_id, "deviceNumber"));
154 section_cper->DevBridge.Segment =
155 (UINT16)json_object_get_uint64(json_object_object_get(device_id, "segmentNumber"));
156 section_cper->DevBridge.PrimaryOrDeviceBus =
157 (UINT8)json_object_get_uint64(json_object_object_get(device_id, "primaryOrDeviceBusNumber"));

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170 json_object* capability = json_object_object_get(section, "capabilityStructure");
171 json_object* encoded = json_object_object_get(capability, "data");
172 UINT8* decoded = b64_decode(json_object_get_string(encoded), json_object_get_string_len(encoded));
173 memcpy(section_cper->Capability.PcieCap, decoded, 60);
174 free(decoded);
175
176 //AER capability structure.
177 json_object* aer_info = json_object_object_get(section, "aerInfo");
121 section_cper->DevBridge.Function =
122 (UINT8)json_object_get_uint64(json_object_object_get(device_id, "functionNumber"));
123 section_cper->DevBridge.Device =
124 (UINT8)json_object_get_uint64(json_object_object_get(device_id, "deviceNumber"));
125 section_cper->DevBridge.Segment =
126 (UINT16)json_object_get_uint64(json_object_object_get(device_id, "segmentNumber"));
127 section_cper->DevBridge.PrimaryOrDeviceBus =
128 (UINT8)json_object_get_uint64(json_object_object_get(device_id, "primaryOrDeviceBusNumber"));

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141 json_object* capability = json_object_object_get(section, "capabilityStructure");
142 json_object* encoded = json_object_object_get(capability, "data");
143 UINT8* decoded = b64_decode(json_object_get_string(encoded), json_object_get_string_len(encoded));
144 memcpy(section_cper->Capability.PcieCap, decoded, 60);
145 free(decoded);
146
147 //AER capability structure.
148 json_object* aer_info = json_object_object_get(section, "aerInfo");
178 EFI_PCIE_ADV_ERROR_EXT_CAPABILITY* aer_capability =
179 (EFI_PCIE_ADV_ERROR_EXT_CAPABILITY*)section_cper->AerInfo.PcieAer;
180 aer_capability->Header.PcieExtendedCapabilityId =
181 json_object_get_uint64(json_object_object_get(aer_info, "capabilityID"));
182 aer_capability->Header.CapabilityVersion =
183 json_object_get_uint64(json_object_object_get(aer_info, "capabilityVersion"));
184 aer_capability->UncorrectableErrorStatusReg =
185 (UINT32)json_object_get_uint64(json_object_object_get(aer_info, "uncorrectableErrorStatusRegister"));
186 aer_capability->UncorrectableErrorMaskReg =
187 (UINT32)json_object_get_uint64(json_object_object_get(aer_info, "uncorrectableErrorMaskRegister"));
188 aer_capability->UncorrectableErrorSeverityReg =
189 (UINT32)json_object_get_uint64(json_object_object_get(aer_info, "uncorrectableErrorSeverityRegister"));
190 aer_capability->CorrectableErrorStatusReg =
191 (UINT32)json_object_get_uint64(json_object_object_get(aer_info, "correctableErrorStatusRegister"));
192 aer_capability->CorrectableErrorMaskReg =
193 (UINT32)json_object_get_uint64(json_object_object_get(aer_info, "correctableErrorMaskRegister"));
194 aer_capability->AeccReg =
195 (UINT32)json_object_get_uint64(json_object_object_get(aer_info, "aeccReg"));
196
197 //AER header log register.
198 encoded = json_object_object_get(aer_info, "headerLogRegister");
149 encoded = json_object_object_get(aer_info, "data");
199 decoded = b64_decode(json_object_get_string(encoded), json_object_get_string_len(encoded));
150 decoded = b64_decode(json_object_get_string(encoded), json_object_get_string_len(encoded));
200 memcpy(aer_capability->HeaderLogReg, decoded, 16);
151 memcpy(section_cper->AerInfo.PcieAer, decoded, 96);
201 free(decoded);
202
152 free(decoded);
153
203 //Remaining AER fields.
204 aer_capability->RootErrorCommand =
205 (UINT32)json_object_get_uint64(json_object_object_get(aer_info, "rootErrorCommand"));
206 aer_capability->RootErrorStatus =
207 (UINT32)json_object_get_uint64(json_object_object_get(aer_info, "rootErrorStatus"));
208 aer_capability->ErrorSourceIdReg =
209 (UINT16)json_object_get_uint64(json_object_object_get(aer_info, "errorSourceIDRegister"));
210 aer_capability->CorrectableSourceIdReg =
211 (UINT16)json_object_get_uint64(json_object_object_get(aer_info, "correctableErrorSourceIDRegister"));
212
213
214 //Miscellaneous value fields.
215 section_cper->PortType = (UINT32)readable_pair_to_integer(json_object_object_get(section, "portType"));
216 section_cper->SerialNo = json_object_get_uint64(json_object_object_get(section, "deviceSerialNumber"));
217
218 //Write out to stream, free resources.
154 //Miscellaneous value fields.
155 section_cper->PortType = (UINT32)readable_pair_to_integer(json_object_object_get(section, "portType"));
156 section_cper->SerialNo = json_object_get_uint64(json_object_object_get(section, "deviceSerialNumber"));
157
158 //Write out to stream, free resources.
219 fwrite(&section_cper, sizeof(section_cper), 1, out);
159 fwrite(section_cper, sizeof(EFI_PCIE_ERROR_DATA), 1, out);
220 fflush(out);
221 free(section_cper);
222}
160 fflush(out);
161 free(section_cper);
162}