commit 42876b6c6e4e260765bfa166e2e19893a2b9ec51
author Archana Kakani <archana.kakani@ibm.com> Tue Feb 04 04:22:29 2025 -0600
committer ManojKiran Eda <manojkiran.eda@gmail.com> Mon Feb 10 05:16:53 2025 +0000
tree 94e2714e7cbc3f4c06362219f34c0893b607d6f7
parent 17b1e8a8fe1b1d8deab7718f40c57d766e235f63

host-bmc: Implement fabric adapter interface

Adding support to host fabric adapter dbus interface.  Based on the PDRs
received from remote PLDM terminus, PLDM hosts the dbus interface based
on the entity type.  The Fabric adapter interface is defined at [1].

Tested:
   Functional test passed

[1]: https://github.com/openbmc/phosphor-dbus-interfaces/blob/master/yaml/xyz/openbmc_project/Inventory/Item/FabricAdapter.interface.yaml

Change-Id: I72a7e3198dbbf78521eeeb37b926562064f733b9
Signed-off-by: Archana Kakani <archana.kakani@ibm.com>

host-bmc/dbus/custom_dbus.cpp

diff --git a/host-bmc/dbus/custom_dbus.cpp b/host-bmc/dbus/custom_dbus.cpp
index 54dd076..08f9750 100644
--- a/host-bmc/dbus/custom_dbus.cpp
+++ b/host-bmc/dbus/custom_dbus.cpp
@@ -127,6 +127,16 @@
     }
 }
 
+void CustomDBus::implementFabricAdapter(const std::string& path)
+{
+    if (!fabricAdapter.contains(path))
+    {
+        fabricAdapter.emplace(
+            path, std::make_unique<FabricAdapter>(
+                      pldm::utils::DBusHandler::getBus(), path.c_str()));
+    }
+}
+
 void CustomDBus::implementPowerSupplyInterface(const std::string& path)
 {
     if (!powersupply.contains(path))

host-bmc/dbus/custom_dbus.hpp

diff --git a/host-bmc/dbus/custom_dbus.hpp b/host-bmc/dbus/custom_dbus.hpp
index 2d4ac6b..e292462 100644
--- a/host-bmc/dbus/custom_dbus.hpp
+++ b/host-bmc/dbus/custom_dbus.hpp
@@ -7,6 +7,7 @@
 #include "common/utils.hpp"
 #include "connector.hpp"
 #include "cpu_core.hpp"
+#include "fabric_adapter.hpp"
 #include "fan.hpp"
 #include "motherboard.hpp"
 #include "pcie_device.hpp"
@@ -167,6 +168,13 @@
      */
     void implementConnecterInterface(const std::string& path);
 
+    /** @brief Implement Fabric Adapter Interface
+     *
+     *  @param[in] path - The object path
+     *
+     */
+    void implementFabricAdapter(const std::string& path);
+
     /** @brief Implement Asset Interface
      *
      *  @param[in] path - The object path
@@ -192,6 +200,8 @@
     std::unordered_map<ObjectPath, std::unique_ptr<PCIeDevice>> pcieDevice;
     std::unordered_map<ObjectPath, std::unique_ptr<PCIeSlot>> pcieSlot;
     std::unordered_map<ObjectPath, std::unique_ptr<PowerSupply>> powersupply;
+    std::unordered_map<ObjectPath, std::unique_ptr<FabricAdapter>>
+        fabricAdapter;
     std::unordered_map<ObjectPath, std::unique_ptr<Cable>> cable;
     std::unordered_map<ObjectPath, std::unique_ptr<Motherboard>> motherboard;
     std::unordered_map<ObjectPath, std::unique_ptr<Fan>> fan;

host-bmc/dbus/fabric_adapter.hpp

diff --git a/host-bmc/dbus/fabric_adapter.hpp b/host-bmc/dbus/fabric_adapter.hpp
new file mode 100644
index 0000000..bc2e5c1
--- /dev/null
+++ b/host-bmc/dbus/fabric_adapter.hpp
@@ -0,0 +1,36 @@
+#pragma once
+
+#include <sdbusplus/bus.hpp>
+#include <sdbusplus/server.hpp>
+#include <sdbusplus/server/object.hpp>
+#include <xyz/openbmc_project/Inventory/Item/FabricAdapter/server.hpp>
+
+#include <string>
+
+namespace pldm
+{
+namespace dbus
+{
+using ItemFabricAdapter = sdbusplus::server::object_t<
+    sdbusplus::xyz::openbmc_project::Inventory::Item::server::FabricAdapter>;
+
+class FabricAdapter : public ItemFabricAdapter
+{
+  public:
+    FabricAdapter() = delete;
+    ~FabricAdapter() = default;
+    FabricAdapter(const FabricAdapter&) = delete;
+    FabricAdapter& operator=(const FabricAdapter&) = delete;
+    FabricAdapter(FabricAdapter&&) = delete;
+    FabricAdapter& operator=(FabricAdapter&&) = delete;
+
+    FabricAdapter(sdbusplus::bus_t& bus, const std::string& objPath) :
+        ItemFabricAdapter(bus, objPath.c_str()), path(objPath)
+    {}
+
+  private:
+    std::string path;
+};
+
+} // namespace dbus
+} // namespace pldm

host-bmc/host_pdr_handler.cpp

diff --git a/host-bmc/host_pdr_handler.cpp b/host-bmc/host_pdr_handler.cpp
index cf2652f..53ea526 100644
--- a/host-bmc/host_pdr_handler.cpp
+++ b/host-bmc/host_pdr_handler.cpp
@@ -1183,6 +1183,10 @@
             case PLDM_ENTITY_FAN:
                 CustomDBus::getCustomDBus().implementFanInterface(entity.first);
                 break;
+            case PLDM_ENTITY_IO_MODULE:
+                CustomDBus::getCustomDBus().implementFabricAdapter(
+                    entity.first);
+                break;
             default:
                 break;
         }