1 #include "config.h"
2
3 #include "buffer.hpp"
4 #include "pci_handler.hpp"
5 #include "rde/external_storer_file.hpp"
6 #include "rde/external_storer_interface.hpp"
7 #include "rde/rde_handler.hpp"
8
9 #include <boost/asio.hpp>
10 #include <boost/endian/conversion.hpp>
11 #include <sdbusplus/asio/object_server.hpp>
12 #include <stdplus/fd/create.hpp>
13 #include <stdplus/fd/impl.hpp>
14 #include <stdplus/fd/managed.hpp>
15 #include <stdplus/print.hpp>
16
17 #include <chrono>
18 #include <filesystem>
19 #include <format>
20 #include <fstream>
21 #include <functional>
22 #include <memory>
23
24 namespace
25 {
26 constexpr std::chrono::milliseconds readIntervalinMs(READ_INTERVAL_MS);
27 constexpr std::size_t memoryRegionSize = MEMORY_REGION_SIZE;
28 constexpr std::size_t memoryRegionOffset = MEMORY_REGION_OFFSET;
29 constexpr uint32_t bmcInterfaceVersion = BMC_INTERFACE_VERSION;
30 constexpr uint16_t queueSize = QUEUE_REGION_SIZE;
31 constexpr uint16_t ueRegionSize = UE_REGION_SIZE;
32 static constexpr std::array<uint32_t, 4> magicNumber = {
33 MAGIC_NUMBER_BYTE1, MAGIC_NUMBER_BYTE2, MAGIC_NUMBER_BYTE3,
34 MAGIC_NUMBER_BYTE4};
35 } // namespace
36
37 using namespace bios_bmc_smm_error_logger;
38
readLoop(boost::asio::steady_timer * t,const std::shared_ptr<BufferInterface> & bufferInterface,const std::shared_ptr<rde::RdeCommandHandler> & rdeCommandHandler,const boost::system::error_code & error)39 void readLoop(boost::asio::steady_timer* t,
40 const std::shared_ptr<BufferInterface>& bufferInterface,
41 const std::shared_ptr<rde::RdeCommandHandler>& rdeCommandHandler,
42 const boost::system::error_code& error)
43 {
44 if (error)
45 {
46 stdplus::print(stderr, "Async wait failed {}\n", error.message());
47 return;
48 }
49 std::vector<EntryPair> entryPairs = bufferInterface->readErrorLogs();
50 for (const auto& [entryHeader, entry] : entryPairs)
51 {
52 stdplus::print(stderr, "Read an entry of '{}' bytes\n", entry.size());
53
54 rde::RdeDecodeStatus rdeDecodeStatus =
55 rdeCommandHandler->decodeRdeCommand(
56 entry,
57 static_cast<rde::RdeCommandType>(entryHeader.rdeCommandType));
58 if (rdeDecodeStatus == rde::RdeDecodeStatus::RdeStopFlagReceived)
59 {
60 auto bufferHeader = bufferInterface->getCachedBufferHeader();
61 auto newbmcFlags =
62 boost::endian::little_to_native(bufferHeader.bmcFlags) |
63 static_cast<uint32_t>(BmcFlags::ready);
64 bufferInterface->updateBmcFlags(newbmcFlags);
65 }
66 }
67
68 t->expires_from_now(readIntervalinMs);
69 t->async_wait(
70 std::bind_front(readLoop, t, bufferInterface, rdeCommandHandler));
71 }
72
main()73 int main()
74 {
75 boost::asio::io_context io;
76 boost::asio::steady_timer t(io, readIntervalinMs);
77
78 // bufferHandler initialization
79 std::unique_ptr<stdplus::ManagedFd> managedFd =
80 std::make_unique<stdplus::ManagedFd>(stdplus::fd::open(
81 "/dev/mem",
82 stdplus::fd::OpenFlags(stdplus::fd::OpenAccess::ReadWrite)
83 .set(stdplus::fd::OpenFlag::Sync)));
84 std::unique_ptr<DataInterface> pciDataHandler =
85 std::make_unique<PciDataHandler>(memoryRegionOffset, memoryRegionSize,
86 std::move(managedFd));
87 std::shared_ptr<BufferInterface> bufferHandler =
88 std::make_shared<BufferImpl>(std::move(pciDataHandler));
89
90 // rdeCommandHandler initialization
91 std::shared_ptr<sdbusplus::asio::connection> conn =
92 std::make_shared<sdbusplus::asio::connection>(io);
93 conn->request_name("xyz.openbmc_project.bios_bmc_smm_error_logger");
94 sdbusplus::bus_t& bus = static_cast<sdbusplus::bus_t&>(*conn);
95
96 std::unique_ptr<rde::FileHandlerInterface> fileIface =
97 std::make_unique<rde::ExternalStorerFileWriter>();
98 std::unique_ptr<rde::ExternalStorerInterface> exFileIface =
99 std::make_unique<rde::ExternalStorerFileInterface>(
100 bus, "/run/bmcweb", std::move(fileIface));
101 std::shared_ptr<rde::RdeCommandHandler> rdeCommandHandler =
102 std::make_unique<rde::RdeCommandHandler>(std::move(exFileIface));
103
104 bufferHandler->initialize(bmcInterfaceVersion, queueSize, ueRegionSize,
105 magicNumber);
106
107 t.async_wait(std::bind_front(readLoop, &t, std::move(bufferHandler),
108 std::move(rdeCommandHandler)));
109 io.run();
110
111 return 0;
112 }
113