Adds LastStateTime in Redfish BootProgress

The LastStateTime is the last time the BootProgress property was
updated. It is defined by BootProgressUpdate D-bus [1].
This commit is to support this.

[1] https://github.com/openbmc/phosphor-dbus-interfaces/blob/master/yaml//xyz/openbmc_project/State/Boot/Progress.interface.yaml#L11

Tested:
1. Set boot progress code
   # ipmitool raw 0x2c 0x02 0xae 0x01 0x00 0x00 0x00 0x00 0x10 0x01 \
     0x00 0x00
2. Check the progress code from the Redfish interface
   "BootProgress": {
       "LastState": "OEM",
       "LastStateTime": "2022-10-10T04:21:08.416796+00:00"
   }

Signed-off-by: Hieu Huynh <hieuh@os.amperecomputing.com>
Change-Id: I0834887e159970d5775dbfbf7753196b1e1cec29

1 files changed, 35 insertions, 0 deletions

diff --git a/redfish-core/lib/systems.hpp b/redfish-core/lib/systems.hpp
index fc5a8048ad..caf6a292ca 100644
--- a/redfish-core/lib/systems.hpp
+++ b/redfish-core/lib/systems.hpp
@@ -856,6 +856,40 @@ inline void getBootProgress(const std::shared_ptr<bmcweb::AsyncResp>& aResp)
 }
 
 /**
+ * @brief Retrieves boot progress Last Update of the system
+ *
+ * @param[in] aResp  Shared pointer for generating response message.
+ *
+ * @return None.
+ */
+inline void getBootProgressLastStateTime(
+    const std::shared_ptr<bmcweb::AsyncResp>& aResp)
+{
+    sdbusplus::asio::getProperty<uint64_t>(
+        *crow::connections::systemBus, "xyz.openbmc_project.State.Host",
+        "/xyz/openbmc_project/state/host0",
+        "xyz.openbmc_project.State.Boot.Progress", "BootProgressLastUpdate",
+        [aResp](const boost::system::error_code ec,
+                const uint64_t lastStateTime) {
+        if (ec)
+        {
+            BMCWEB_LOG_DEBUG << "D-BUS response error " << ec;
+            return;
+        }
+
+        // BootProgressLastUpdate is the last time the BootProgress property
+        // was updated. The time is the Epoch time, number of microseconds
+        // since 1 Jan 1970 00::00::00 UTC."
+        // https://github.com/openbmc/phosphor-dbus-interfaces/blob/master/
+        // yaml/xyz/openbmc_project/State/Boot/Progress.interface.yaml#L11
+
+        // Convert to ISO 8601 standard
+        aResp->res.jsonValue["BootProgress"]["LastStateTime"] =
+            redfish::time_utils::getDateTimeUintUs(lastStateTime);
+        });
+}
+
+/**
  * @brief Retrieves boot override type over DBUS and fills out the response
  *
  * @param[in] aResp         Shared pointer for generating response message.
@@ -2991,6 +3025,7 @@ inline void requestRoutesSystems(App& app)
         getHostState(asyncResp);
         getBootProperties(asyncResp);
         getBootProgress(asyncResp);
+        getBootProgressLastStateTime(asyncResp);
         getPCIeDeviceList(asyncResp, "PCIeDevices");
         getHostWatchdogTimer(asyncResp);
         getPowerRestorePolicy(asyncResp);