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 "callouts.hpp"
17 
18 #include <phosphor-logging/log.hpp>
19 
20 namespace openpower
21 {
22 namespace pels
23 {
24 namespace src
25 {
26 
27 Callouts::Callouts(Stream& pel)
28 {
29     pel >> _subsectionID >> _subsectionFlags >> _subsectionWordLength;
30 
31     size_t currentLength = sizeof(_subsectionID) + sizeof(_subsectionFlags) +
32                            sizeof(_subsectionWordLength);
33 
34     while ((_subsectionWordLength * 4) > currentLength)
35     {
36         _callouts.emplace_back(new Callout(pel));
37         currentLength += _callouts.back()->flattenedSize();
38     }
39 }
40 
41 void Callouts::flatten(Stream& pel) const
42 {
43     pel << _subsectionID << _subsectionFlags << _subsectionWordLength;
44 
45     for (auto& callout : _callouts)
46     {
47         callout->flatten(pel);
48     }
49 }
50 
51 void Callouts::addCallout(std::unique_ptr<Callout> callout)
52 {
53     if (_callouts.size() < maxNumberOfCallouts)
54     {
55         _callouts.push_back(std::move(callout));
56 
57         _subsectionWordLength += _callouts.back()->flattenedSize() / 4;
58     }
59     else
60     {
61         using namespace phosphor::logging;
62         log<level::INFO>("Dropping PEL callout because at max");
63     }
64 
65     // Mapping including the  3 Medium levels as A,B and C
66     const std::map<std::uint8_t, int> priorities = {
67         {'H', 10}, {'M', 9}, {'A', 8}, {'B', 7}, {'C', 6}, {'L', 5}};
68 
69     auto sortPriority = [&priorities](const std::unique_ptr<Callout>& p1,
70                                       const std::unique_ptr<Callout>& p2) {
71         return priorities.at(p1->priority()) > priorities.at(p2->priority());
72     };
73 
74     std::sort(_callouts.begin(), _callouts.end(), sortPriority);
75 }
76 
77 } // namespace src
78 } // namespace pels
79 } // namespace openpower