summaryrefslogtreecommitdiffstats
path: root/extensions/openpower-pels/fru_identity.hpp
blob: ecc2899e1b5893273c6dac213bb20517ef10f8af (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
#pragma once

#include "stream.hpp"

#include <optional>

namespace openpower
{
namespace pels
{
namespace src
{

/**
 * @class FRUIdentity
 *
 * This represents the FRU Identity substructure in the
 * callout subsection of the SRC PEL section.
 *
 * It provides information about the FRU being called out,
 * such as serial number and part number.  A maintenance
 * procedure name may be used instead of the part number,
 * and this would be indicated in the flags field.
 */
class FRUIdentity
{
  public:
    /**
     * @brief The failing component type
     *
     * Upper nibble of the flags byte
     */
    enum FailingComponentType
    {
        hardwareFRU = 0x10,
        codeFRU = 0x20,
        configError = 0x30,
        maintenanceProc = 0x40,
        externalFRU = 0x90,
        externalCodeFRU = 0xA0,
        toolFRU = 0xB0,
        symbolicFRU = 0xC0,
        symbolicFRUTrustedLocCode = 0xE0
    };

    /**
     * @brief The lower nibble of the flags byte
     */
    enum Flags
    {
        pnSupplied = 0x08,
        ccinSupplied = 0x04,
        maintProcSupplied = 0x02,
        snSupplied = 0x01
    };

    FRUIdentity() = delete;
    ~FRUIdentity() = default;
    FRUIdentity(const FRUIdentity&) = default;
    FRUIdentity& operator=(const FRUIdentity&) = default;
    FRUIdentity(FRUIdentity&&) = default;
    FRUIdentity& operator=(FRUIdentity&&) = default;

    /**
     * @brief Constructor
     *
     * Fills in this class's data fields from the stream.
     *
     * @param[in] pel - the PEL data stream
     */
    explicit FRUIdentity(Stream& pel);

    /**
     * @brief Flatten the object into the stream
     *
     * @param[in] stream - The stream to write to
     */
    void flatten(Stream& pel) const;

    /**
     * @brief Returns the size of this structure when flattened into a PEL
     *
     * @return size_t - The size of the section
     */
    size_t flattenedSize() const
    {
        return _size;
    }

    /**
     * @brief The failing component type for this FRU callout.
     *
     * @return FailingComponentType
     */
    FailingComponentType failingComponentType() const
    {
        return static_cast<FailingComponentType>(_flags & 0xF0);
    }

    /**
     * @brief Returns the part number, if supplied
     *
     * @return std::optional<std::string>
     */
    std::optional<std::string> getPN() const;

    /**
     * @brief Returns the maintenance procedure, if supplied
     *
     * @return std::optional<std::string>
     */
    std::optional<std::string> getMaintProc() const;

    /**
     * @brief Returns the CCIN, if supplied
     *
     * @return std::optional<std::string>
     */
    std::optional<std::string> getCCIN() const;

    /**
     * @brief Returns the serial number, if supplied
     *
     * @return std::optional<std::string>
     */
    std::optional<std::string> getSN() const;

    /**
     * @brief The type identifier value of this structure.
     */
    static const uint16_t substructureType = 0x4944; // "ID"

  private:
    /**
     * @brief If the part number is contained in this structure.
     *
     * It takes the place of the maintenance procedure ID.
     *
     * @return bool
     */
    bool hasPN() const
    {
        return _flags & pnSupplied;
    }

    /**
     * @brief If the CCIN is contained in this structure.
     *
     * @return bool
     */
    bool hasCCIN() const
    {
        return _flags & ccinSupplied;
    }

    /**
     * @brief If a maintenance procedure is contained in this structure.
     *
     * It takes the place of the part number.
     *
     * @return bool
     */
    bool hasMP() const
    {
        return _flags & maintProcSupplied;
    }

    /**
     * @brief If the serial number is contained in this structure.
     *
     * @return bool
     */
    bool hasSN() const
    {
        return _flags & snSupplied;
    }

    /**
     * @brief The callout substructure type field. Will be "ID".
     */
    uint16_t _type;

    /**
     * @brief The size of this callout structure.
     *
     * Always a multiple of 4.
     */
    uint8_t _size;

    /**
     * @brief The flags byte of this substructure.
     *
     * See the FailingComponentType and Flags enums
     */
    uint8_t _flags;

    /**
     * @brief The part number OR maintenance procedure ID,
     *        depending on what the flags field specifies.
     *
     * A NULL terminated ASCII string.
     */
    std::array<char, 8> _pnOrProcedureID;

    /**
     * @brief The CCIN VPD keyword
     *
     * Four ASCII characters, not NULL terminated.
     */
    std::array<char, 4> _ccin;

    /**
     * @brief The serial number
     *
     * Twelve ASCII characters, not NULL terminated.
     */
    std::array<char, 12> _sn;
};

} // namespace src
} // namespace pels
} // namespace openpower
OpenPOWER on IntegriCloud