xref: /openbmc/smbios-mdr/include/mdrv2.hpp (revision 18a5ab914474eaae356c925d2357d6bcd2453c92)
1 /*
2 // Copyright (c) 2018 Intel 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 
17 #pragma once
18 #include "cpu.hpp"
19 #include "dimm.hpp"
20 #include "smbios_mdrv2.hpp"
21 #include "system.hpp"
22 
23 #include <sys/stat.h>
24 #include <sys/types.h>
25 #include <unistd.h>
26 
27 #include <boost/asio/io_context.hpp>
28 #include <boost/asio/steady_timer.hpp>
29 #include <boost/container/flat_map.hpp>
30 #include <phosphor-logging/elog-errors.hpp>
31 #include <phosphor-logging/log.hpp>
32 #include <sdbusplus/asio/object_server.hpp>
33 #include <sdbusplus/server.hpp>
34 #include <sdbusplus/timer.hpp>
35 #include <xyz/openbmc_project/Smbios/MDR_V2/server.hpp>
36 
37 sdbusplus::asio::object_server& getObjectServer(void);
38 
39 using RecordVariant =
40     std::variant<std::string, uint64_t, uint32_t, uint16_t, uint8_t>;
41 namespace phosphor
42 {
43 namespace smbios
44 {
45 
46 static constexpr const char* mdrV2Path = "/xyz/openbmc_project/Smbios/MDR_V2";
47 static constexpr const char* smbiosPath = "/xyz/openbmc_project/Smbios";
48 static constexpr const char* smbiosInterfaceName =
49     "xyz.openbmc_project.Smbios.GetRecordType";
50 constexpr const int limitEntryLen = 0xff;
51 
52 class MDR_V2 :
53     sdbusplus::server::object::object<
54         sdbusplus::xyz::openbmc_project::Smbios::server::MDR_V2>
55 {
56   public:
57     MDR_V2() = delete;
58     MDR_V2(const MDR_V2&) = delete;
59     MDR_V2& operator=(const MDR_V2&) = delete;
60     MDR_V2(MDR_V2&&) = delete;
61     MDR_V2& operator=(MDR_V2&&) = delete;
62     ~MDR_V2() = default;
63 
64     MDR_V2(sdbusplus::bus::bus& bus, const char* path,
65            boost::asio::io_context& io) :
66         sdbusplus::server::object::object<
67             sdbusplus::xyz::openbmc_project::Smbios::server::MDR_V2>(bus, path),
68         bus(bus), timer(io), smbiosInterface(getObjectServer().add_interface(
69                                  smbiosPath, smbiosInterfaceName))
70     {
71 
72         smbiosDir.agentVersion = smbiosAgentVersion;
73         smbiosDir.dirVersion = 1;
74         smbiosDir.dirEntries = 1;
75         directoryEntries(smbiosDir.dirEntries);
76         smbiosDir.status = 1;
77         smbiosDir.remoteDirVersion = 0;
78 
79         std::copy(smbiosTableId.begin(), smbiosTableId.end(),
80                   smbiosDir.dir[smbiosDirIndex].common.id.dataInfo);
81 
82         smbiosDir.dir[smbiosDirIndex].dataStorage = smbiosTableStorage;
83 
84         agentSynchronizeData();
85 
86         smbiosInterface->register_method("GetRecordType", [this](size_t type) {
87             return getRecordType(type);
88         });
89         smbiosInterface->initialize();
90     }
91 
92     std::vector<uint8_t> getDirectoryInformation(uint8_t dirIndex) override;
93 
94     std::vector<uint8_t> getDataInformation(uint8_t idIndex) override;
95 
96     bool sendDirectoryInformation(uint8_t dirVersion, uint8_t dirIndex,
97                                   uint8_t returnedEntries,
98                                   uint8_t remainingEntries,
99                                   std::vector<uint8_t> dirEntry) override;
100 
101     std::vector<uint8_t> getDataOffer() override;
102 
103     bool sendDataInformation(uint8_t idIndex, uint8_t flag, uint32_t dataLen,
104                              uint32_t dataVer, uint32_t timeStamp) override;
105 
106     int findIdIndex(std::vector<uint8_t> dataInfo) override;
107 
108     bool agentSynchronizeData() override;
109 
110     std::vector<uint32_t>
111         synchronizeDirectoryCommonData(uint8_t idIndex, uint32_t size) override;
112 
113     uint8_t directoryEntries(uint8_t value) override;
114 
115     std::vector<boost::container::flat_map<std::string, RecordVariant>>
116         getRecordType(size_t type);
117 
118   private:
119     boost::asio::steady_timer timer;
120 
121     sdbusplus::bus::bus& bus;
122 
123     Mdr2DirStruct smbiosDir;
124 
125     bool readDataFromFlash(MDRSMBIOSHeader* mdrHdr, uint8_t* data);
126 
127     const std::array<uint8_t, 16> smbiosTableId{
128         40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 0x42};
129     uint8_t smbiosTableStorage[smbiosTableStorageSize];
130 
131     bool smbiosIsUpdating(uint8_t index);
132     bool smbiosIsAvailForUpdate(uint8_t index);
133     inline uint8_t smbiosValidFlag(uint8_t index);
134     void systemInfoUpdate(void);
135 
136     int getTotalCpuSlot(void);
137     int getTotalDimmSlot(void);
138     std::vector<std::unique_ptr<Cpu>> cpus;
139     std::vector<std::unique_ptr<Dimm>> dimms;
140     std::unique_ptr<System> system;
141     std::shared_ptr<sdbusplus::asio::dbus_interface> smbiosInterface;
142 };
143 
144 } // namespace smbios
145 } // namespace phosphor
146