1 /**
2  * Copyright © 2019 IBM Corporation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #include "pel_utils.hpp"
17 
18 #include "extensions/openpower-pels/private_header.hpp"
19 #include "extensions/openpower-pels/user_header.hpp"
20 
21 #include <fstream>
22 
23 #include <gtest/gtest.h>
24 
25 namespace fs = std::filesystem;
26 using namespace openpower::pels;
27 
28 std::filesystem::path CleanLogID::pelIDFile{};
29 std::filesystem::path CleanPELFiles::pelIDFile{};
30 std::filesystem::path CleanPELFiles::repoPath{};
31 std::filesystem::path CleanPELFiles::registryPath{};
32 
33 const std::vector<uint8_t> privateHeaderSection{
34     // section header
35     0x50, 0x48,                                     // ID 'PH'
36     0x00, 0x30,                                     // Size
37     0x01, 0x02,                                     // version, subtype
38     0x03, 0x04,                                     // comp ID
39 
40     0x20, 0x30, 0x05, 0x09, 0x11, 0x1E, 0x1,  0x63, // create timestamp
41     0x20, 0x31, 0x06, 0x0F, 0x09, 0x22, 0x3A, 0x00, // commit timestamp
42     0x4F,                                           // creatorID 'O'
43     0x00,                                           // logtype
44     0x00,                                           // reserved
45     0x02,                                           // section count
46     0x90, 0x91, 0x92, 0x93,                         // OpenBMC log ID
47     0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0,    // creator version
48     0x50, 0x51, 0x52, 0x53,                         // plid
49     0x80, 0x81, 0x82, 0x83};                        // PEL ID
50 
51 const std::vector<uint8_t> userHeaderSection{
52     // section header
53     0x55, 0x48,             // ID 'UH'
54     0x00, 0x18,             // Size
55     0x01, 0x0A,             // version, subtype
56     0x0B, 0x0C,             // comp ID
57 
58     0x10, 0x04,             // subsystem, scope
59     0x20, 0x00,             // severity, type
60     0x00, 0x00, 0x00, 0x00, // reserved
61     0x03, 0x04,             // problem domain, vector
62     0x80, 0xC0,             // action flags
63     0x00, 0x00, 0x00, 0x00  // reserved
64 };
65 
66 const std::vector<uint8_t> srcSectionNoCallouts{
67 
68     // Header
69     'P', 'S', 0x00, 0x50, 0x01, 0x01, 0x02, 0x02,
70 
71     0x02, 0x00, 0x00, // version, flags, reserved
72     0x09, 0x00, 0x00, // hex word count, reserved2B
73     0x00, 0x48,       // SRC structure size
74 
75     // Hex words 2 - 9
76     0x02, 0x02, 0x02, 0x55, 0x03, 0x03, 0x03, 0x10, 0x04, 0x04, 0x04, 0x04,
77     0x05, 0x05, 0x05, 0x05, 0x06, 0x06, 0x06, 0x06, 0x07, 0x07, 0x07, 0x07,
78     0x08, 0x08, 0x08, 0x08, 0x09, 0x09, 0x09, 0x09,
79     // ASCII string
80     'B', 'D', '8', 'D', '5', '6', '7', '8', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
81     ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
82     ' ', ' '};
83 
84 const std::vector<uint8_t> failingMTMSSection{
85     // Header
86     0x4D, 0x54, 0x00, 0x1C, 0x01, 0x00, 0x20, 0x00,
87 
88     'T',  'T',  'T',  'T',  '-',  'M',  'M',  'M',  '1', '2',
89     '3',  '4',  '5',  '6',  '7',  '8',  '9',  'A',  'B', 'C'};
90 
91 const std::vector<uint8_t> UserDataSection{
92     // Header
93     0x55, 0x44, 0x00, 0x10, 0x00, 0x00, 0x20, 0x00,
94 
95     0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08};
96 
97 const std::vector<uint8_t> ExtUserHeaderSection{
98     // Header
99     'E', 'H', 0x00, 0x60, 0x01, 0x00, 0x03, 0x04,
100 
101     // MTMS
102     'T', 'T', 'T', 'T', '-', 'M', 'M', 'M', '1', '2', '3', '4', '5', '6', '7',
103     '8', '9', 'A', 'B', 'C',
104 
105     // Server FW version
106     'S', 'E', 'R', 'V', 'E', 'R', '_', 'V', 'E', 'R', 'S', 'I', 'O', 'N', '\0',
107     '\0',
108 
109     // Subsystem FW Version
110     'B', 'M', 'C', '_', 'V', 'E', 'R', 'S', 'I', 'O', 'N', '\0', '\0', '\0',
111     '\0', '\0',
112 
113     0x00, 0x00, 0x00, 0x00,                         // Reserved
114     0x20, 0x25, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, // Ref time
115     0x00, 0x00, 0x00,                               // Reserved
116 
117     // SymptomID length and symptom ID
118     20, 'B', 'D', '8', 'D', '4', '2', '0', '0', '_', '1', '2', '3', '4', '5',
119     '6', '7', '8', '\0', '\0', '\0'};
120 
121 const std::vector<uint8_t> srcFRUIdentityCallout{
122     'I', 'D', 0x1C, 0x1D,                     // type, size, flags
123     '1', '2', '3',  '4',                      // PN
124     '5', '6', '7',  0x00, 'A', 'A', 'A', 'A', // CCIN
125     '1', '2', '3',  '4',  '5', '6', '7', '8', // SN
126     '9', 'A', 'B',  'C'};
127 
128 const std::vector<uint8_t> srcPCEIdentityCallout{
129     'P', 'E', 0x24, 0x00,                      // type, size, flags
130     'T', 'T', 'T',  'T',  '-', 'M', 'M',  'M', // MTM
131     '1', '2', '3',  '4',  '5', '6', '7',       // SN
132     '8', '9', 'A',  'B',  'C', 'P', 'C',  'E', // Name + null padded
133     'N', 'A', 'M',  'E',  '1', '2', 0x00, 0x00, 0x00};
134 
135 const std::vector<uint8_t> srcMRUCallout{
136     'M',  'R',  0x28, 0x04, // ID, size, flags
137     0x00, 0x00, 0x00, 0x00, // Reserved
138     0x00, 0x00, 0x00, 'H',  // priority 0
139     0x01, 0x01, 0x01, 0x01, // MRU ID 0
140     0x00, 0x00, 0x00, 'M',  // priority 1
141     0x02, 0x02, 0x02, 0x02, // MRU ID 1
142     0x00, 0x00, 0x00, 'L',  // priority 2
143     0x03, 0x03, 0x03, 0x03, // MRU ID 2
144     0x00, 0x00, 0x00, 'H',  // priority 3
145     0x04, 0x04, 0x04, 0x04, // MRU ID 3
146 };
147 
148 const std::vector<uint8_t> extendedUserDataSection{
149     // Header
150     0x45, 0x44, 0x00, 0x18, 0x01, 0x02, 0x20, 0x00,
151 
152     // Creator ID 'O', and then data
153     0x4F, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
154     0x05, 0x0A, 0x0B, 0x0C};
155 
156 constexpr size_t sectionCountOffset = 27;
157 constexpr size_t createTimestampPHOffset = 8;
158 constexpr size_t commitTimestampPHOffset = 16;
159 constexpr size_t creatorPHOffset = 24;
160 constexpr size_t obmcIDPHOffset = 28;
161 constexpr size_t plidPHOffset = 40;
162 constexpr size_t pelIDPHOffset = 44;
163 constexpr size_t sevUHOffset = 10;
164 constexpr size_t actionFlagsUHOffset = 18;
165 
pelDataFactory(TestPELType type)166 std::vector<uint8_t> pelDataFactory(TestPELType type)
167 {
168     std::vector<uint8_t> data;
169 
170     switch (type)
171     {
172         case TestPELType::pelSimple:
173             data.insert(data.end(), privateHeaderSection.begin(),
174                         privateHeaderSection.end());
175             data.insert(data.end(), userHeaderSection.begin(),
176                         userHeaderSection.end());
177             data.insert(data.end(), srcSectionNoCallouts.begin(),
178                         srcSectionNoCallouts.end());
179             data.insert(data.end(), failingMTMSSection.begin(),
180                         failingMTMSSection.end());
181             data.insert(data.end(), UserDataSection.begin(),
182                         UserDataSection.end());
183             data.insert(data.end(), ExtUserHeaderSection.begin(),
184                         ExtUserHeaderSection.end());
185             data.insert(data.end(), extendedUserDataSection.begin(),
186                         extendedUserDataSection.end());
187             data.at(sectionCountOffset) = 7;
188             break;
189         case TestPELType::privateHeaderSection:
190             data.insert(data.end(), privateHeaderSection.begin(),
191                         privateHeaderSection.end());
192             break;
193         case TestPELType::userHeaderSection:
194             data.insert(data.end(), userHeaderSection.begin(),
195                         userHeaderSection.end());
196             break;
197         case TestPELType::primarySRCSection:
198             data.insert(data.end(), srcSectionNoCallouts.begin(),
199                         srcSectionNoCallouts.end());
200             break;
201         case TestPELType::primarySRCSection2Callouts:
202         {
203             // Start with the no-callouts SRC, and add the callouts section
204             // from above.
205             auto src = srcSectionNoCallouts;
206             auto callouts =
207                 srcDataFactory(TestSRCType::calloutSection2Callouts);
208 
209             src.insert(src.end(), callouts.begin(), callouts.end());
210 
211             // Set the flag that says there are callouts
212             // One byte after the 8B header
213             src[8 + 1] |= 0x01;
214 
215             // Set the new sizes
216             uint16_t size = src.size();
217             Stream stream{src};
218 
219             stream.offset(2); // In the header
220             stream << size;
221 
222             // In the SRC - the size field doesn't include the header
223             size -= 8;
224             stream.offset(8 + 6);
225             stream << size;
226 
227             data.insert(data.end(), src.begin(), src.end());
228             break;
229         }
230         case TestPELType::failingMTMSSection:
231             data.insert(data.end(), failingMTMSSection.begin(),
232                         failingMTMSSection.end());
233             break;
234         case TestPELType::extendedUserDataSection:
235             data.insert(data.end(), extendedUserDataSection.begin(),
236                         extendedUserDataSection.end());
237             break;
238     }
239     return data;
240 }
241 
pelFactory(uint32_t id,char creatorID,uint8_t severity,uint16_t actionFlags,size_t size)242 std::vector<uint8_t> pelFactory(uint32_t id, char creatorID, uint8_t severity,
243                                 uint16_t actionFlags, size_t size)
244 {
245     std::vector<uint8_t> data;
246     size_t offset = 0;
247 
248     auto now = std::chrono::system_clock::now();
249     auto timestamp = getBCDTime(now);
250 
251     // Start with the default Private Header, and modify it
252     data.insert(data.end(), privateHeaderSection.begin(),
253                 privateHeaderSection.end());
254     data.at(creatorPHOffset) = creatorID;
255 
256     // Modify the multibyte fields in it
257     Stream stream{data};
258     stream.offset(createTimestampPHOffset);
259     stream << timestamp;
260     stream.offset(commitTimestampPHOffset);
261     stream << timestamp;
262     stream.offset(plidPHOffset);
263     stream << id;
264     stream.offset(pelIDPHOffset);
265     stream << id;
266     stream.offset(obmcIDPHOffset);
267     stream << id + 500;
268 
269     offset = data.size();
270 
271     // User Header
272     data.insert(data.end(), userHeaderSection.begin(), userHeaderSection.end());
273     data.at(offset + sevUHOffset) = severity;
274     data.at(offset + actionFlagsUHOffset) = actionFlags >> 8;
275     data.at(offset + actionFlagsUHOffset + 1) = actionFlags;
276 
277     // Use the default SRC, failing MTMS, and ext user Header sections
278     auto src = pelDataFactory(TestPELType::primarySRCSection2Callouts);
279 
280     data.insert(data.end(), src.begin(), src.end());
281     data.insert(data.end(), failingMTMSSection.begin(),
282                 failingMTMSSection.end());
283     data.insert(data.end(), ExtUserHeaderSection.begin(),
284                 ExtUserHeaderSection.end());
285 
286     data.at(sectionCountOffset) = 5;
287 
288     // Require the size to be enough for all the above sections.
289     assert(size >= data.size());
290     assert(size <= 16384);
291 
292     // Add a UserData section to get the size we need.
293     auto udSection = UserDataSection;
294     udSection.resize(size - data.size());
295 
296     if (!udSection.empty())
297     {
298         // At least has to be 8B for the header
299         assert(udSection.size() >= 8);
300 
301         // UD sections must be 4B aligned
302         assert(udSection.size() % 4 == 0);
303 
304         // Set the new size in the section heder
305         Stream udStream{udSection};
306         udStream.offset(2);
307         udStream << static_cast<uint16_t>(udSection.size());
308 
309         data.insert(data.end(), udSection.begin(), udSection.end());
310         data[sectionCountOffset]++;
311     }
312 
313     assert(size == data.size());
314     return data;
315 }
316 
srcDataFactory(TestSRCType type)317 std::vector<uint8_t> srcDataFactory(TestSRCType type)
318 {
319     switch (type)
320     {
321         case TestSRCType::fruIdentityStructure:
322             return srcFRUIdentityCallout;
323 
324         case TestSRCType::pceIdentityStructure:
325             return srcPCEIdentityCallout;
326 
327         case TestSRCType::mruStructure:
328             return srcMRUCallout;
329 
330         case TestSRCType::calloutStructureA:
331         {
332             // Add just the FRU identity substructure to the base structure
333             std::vector<uint8_t> data{
334                 0xFF, 0x28, 'H', 4,   // size, flags, priority, LC length
335                 'U',  '4',  '2', 0x00 // LC
336             };
337 
338             data.insert(data.end(), srcFRUIdentityCallout.begin(),
339                         srcFRUIdentityCallout.end());
340 
341             // The final size
342             data[0] = data.size();
343             return data;
344         }
345         case TestSRCType::calloutStructureB:
346         {
347             // Add all 3 substructures to the base structure
348 
349             std::vector<uint8_t> data{
350                 0xFF, 0x2F, 'L', 8, // size, flags, priority, LC length
351                 'U',  '1',  '2', '-', 'P', '1', 0x00, 0x00 // LC
352             };
353             data.insert(data.end(), srcFRUIdentityCallout.begin(),
354                         srcFRUIdentityCallout.end());
355             data.insert(data.end(), srcPCEIdentityCallout.begin(),
356                         srcPCEIdentityCallout.end());
357             data.insert(data.end(), srcMRUCallout.begin(), srcMRUCallout.end());
358 
359             // The final size
360             data[0] = data.size();
361             return data;
362         }
363         case TestSRCType::calloutSection2Callouts:
364         {
365             std::vector<uint8_t> data{0xC0, 0x00, 0x00,
366                                       0x00}; // ID, flags, length in words
367 
368             // Add 2 callouts
369             auto callout = srcDataFactory(TestSRCType::calloutStructureA);
370             data.insert(data.end(), callout.begin(), callout.end());
371 
372             callout = srcDataFactory(TestSRCType::calloutStructureB);
373             data.insert(data.end(), callout.begin(), callout.end());
374 
375             // Set the actual word length value at offset 2
376             Stream stream{data};
377             uint16_t wordLength = data.size() / 4;
378             stream.offset(2);
379             stream << wordLength;
380             stream.offset(0);
381 
382             return data;
383         }
384     }
385     return {};
386 }
387 
readPELFile(const fs::path & path)388 std::unique_ptr<std::vector<uint8_t>> readPELFile(const fs::path& path)
389 {
390     std::ifstream file{path};
391 
392     auto pel = std::make_unique<std::vector<uint8_t>>(
393         std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>());
394     return pel;
395 }
396