xref: /openbmc/smbios-mdr/include/mdrv2.hpp (revision 08e4a6dfe54a98171839dba482f87ed9005b516b)
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 "pcieslot.hpp"
21 #include "smbios_mdrv2.hpp"
22 #include "system.hpp"
23 
24 #include <sys/stat.h>
25 #include <sys/types.h>
26 #include <unistd.h>
27 
28 #include <boost/asio/io_context.hpp>
29 #include <boost/asio/steady_timer.hpp>
30 #include <boost/container/flat_map.hpp>
31 #include <phosphor-logging/elog-errors.hpp>
32 #include <phosphor-logging/log.hpp>
33 #include <sdbusplus/asio/object_server.hpp>
34 #include <sdbusplus/server.hpp>
35 #include <sdbusplus/timer.hpp>
36 #include <xyz/openbmc_project/Smbios/MDR_V2/server.hpp>
37 
38 sdbusplus::asio::object_server& getObjectServer(void);
39 
40 using RecordVariant =
41     std::variant<std::string, uint64_t, uint32_t, uint16_t, uint8_t>;
42 namespace phosphor
43 {
44 namespace smbios
45 {
46 
47 static constexpr const char* mdrV2Path = "/xyz/openbmc_project/Smbios/MDR_V2";
48 static constexpr const char* smbiosPath = "/xyz/openbmc_project/Smbios";
49 static constexpr const char* smbiosInterfaceName =
50     "xyz.openbmc_project.Smbios.GetRecordType";
51 constexpr const int limitEntryLen = 0xff;
52 
53 class MDR_V2 :
54     sdbusplus::server::object::object<
55         sdbusplus::xyz::openbmc_project::Smbios::server::MDR_V2>
56 {
57   public:
58     MDR_V2() = delete;
59     MDR_V2(const MDR_V2&) = delete;
60     MDR_V2& operator=(const MDR_V2&) = delete;
61     MDR_V2(MDR_V2&&) = delete;
62     MDR_V2& operator=(MDR_V2&&) = delete;
63     ~MDR_V2() = default;
64 
65     MDR_V2(sdbusplus::bus::bus& bus, const char* path,
66            boost::asio::io_context& io) :
67         sdbusplus::server::object::object<
68             sdbusplus::xyz::openbmc_project::Smbios::server::MDR_V2>(bus, path),
69         bus(bus), timer(io), smbiosInterface(getObjectServer().add_interface(
70                                  smbiosPath, smbiosInterfaceName))
71     {
72 
73         smbiosDir.agentVersion = smbiosAgentVersion;
74         smbiosDir.dirVersion = 1;
75         smbiosDir.dirEntries = 1;
76         directoryEntries(smbiosDir.dirEntries);
77         smbiosDir.status = 1;
78         smbiosDir.remoteDirVersion = 0;
79 
80         std::copy(smbiosTableId.begin(), smbiosTableId.end(),
81                   smbiosDir.dir[smbiosDirIndex].common.id.dataInfo);
82 
83         smbiosDir.dir[smbiosDirIndex].dataStorage = smbiosTableStorage;
84 
85         agentSynchronizeData();
86 
87         smbiosInterface->register_method("GetRecordType", [this](size_t type) {
88             return getRecordType(type);
89         });
90         smbiosInterface->initialize();
91     }
92 
93     std::vector<uint8_t> getDirectoryInformation(uint8_t dirIndex) override;
94 
95     std::vector<uint8_t> getDataInformation(uint8_t idIndex) override;
96 
97     bool sendDirectoryInformation(uint8_t dirVersion, uint8_t dirIndex,
98                                   uint8_t returnedEntries,
99                                   uint8_t remainingEntries,
100                                   std::vector<uint8_t> dirEntry) override;
101 
102     std::vector<uint8_t> getDataOffer() override;
103 
104     bool sendDataInformation(uint8_t idIndex, uint8_t flag, uint32_t dataLen,
105                              uint32_t dataVer, uint32_t timeStamp) override;
106 
107     int findIdIndex(std::vector<uint8_t> dataInfo) override;
108 
109     bool agentSynchronizeData() override;
110 
111     std::vector<uint32_t>
112         synchronizeDirectoryCommonData(uint8_t idIndex, uint32_t size) override;
113 
114     uint8_t directoryEntries(uint8_t value) override;
115 
116     std::vector<boost::container::flat_map<std::string, RecordVariant>>
117         getRecordType(size_t type);
118 
119   private:
120     boost::asio::steady_timer timer;
121 
122     sdbusplus::bus::bus& bus;
123 
124     Mdr2DirStruct smbiosDir;
125 
126     bool readDataFromFlash(MDRSMBIOSHeader* mdrHdr, uint8_t* data);
127 
128     const std::array<uint8_t, 16> smbiosTableId{
129         40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 0x42};
130     uint8_t smbiosTableStorage[smbiosTableStorageSize];
131 
132     bool smbiosIsUpdating(uint8_t index);
133     bool smbiosIsAvailForUpdate(uint8_t index);
134     inline uint8_t smbiosValidFlag(uint8_t index);
135     void systemInfoUpdate(void);
136 
137     int getTotalCpuSlot(void);
138     int getTotalDimmSlot(void);
139     int getTotalPcieSlot(void);
140     std::vector<std::unique_ptr<Cpu>> cpus;
141     std::vector<std::unique_ptr<Dimm>> dimms;
142     std::vector<std::unique_ptr<Pcie>> pcies;
143     std::unique_ptr<System> system;
144     std::shared_ptr<sdbusplus::asio::dbus_interface> smbiosInterface;
145 };
146 
147 } // namespace smbios
148 } // namespace phosphor
149