nvidia-gpu: add SMA Temperature Sensor
Add support for device type SMA (System Management Agent) and its
temperature sensor. It is typically an MCU device.
Tested: Build an image for gb200nvl-obmc machine with the following
patches cherry picked. This patches are needed to enable the mctp stack.
https://gerrit.openbmc.org/c/openbmc/openbmc/+/79422
```
$ curl -s -k -u 'root:0penBmc' https://10.137.203.193/redfish/v1/Chassis/NVIDIA_GB200_1/Sensors/temperature_NVIDIA_GB200_GPU_SMA_255_TEMP_0
{
"@odata.id": "/redfish/v1/Chassis/NVIDIA_GB200_1/Sensors/temperature_NVIDIA_GB200_GPU_SMA_255_TEMP_0",
"@odata.type": "#Sensor.v1_2_0.Sensor",
"Id": "temperature_NVIDIA_GB200_GPU_SMA_255_TEMP_0",
"Name": "NVIDIA GB200 GPU SMA 255 TEMP 0",
"Reading": 34.0,
"ReadingRangeMax": 127.0,
"ReadingRangeMin": -128.0,
"ReadingType": "Temperature",
"ReadingUnits": "Cel",
"Status": {
"Health": "OK",
"State": "Enabled"
}
}%
```
Change-Id: I560864758036a5b6ea6c1745145736c7bfa0a1c5
Signed-off-by: Harshit Aghera <haghera@nvidia.com>
diff --git a/src/nvidia-gpu/NvidiaDeviceDiscovery.hpp b/src/nvidia-gpu/NvidiaDeviceDiscovery.hpp
index 86211a9..8b73453 100644
--- a/src/nvidia-gpu/NvidiaDeviceDiscovery.hpp
+++ b/src/nvidia-gpu/NvidiaDeviceDiscovery.hpp
@@ -28,15 +28,20 @@
};
class GpuDevice;
+class SmaDevice;
void createSensors(
boost::asio::io_context& io, sdbusplus::asio::object_server& objectServer,
boost::container::flat_map<std::string, std::shared_ptr<GpuDevice>>&
gpuDevices,
+ boost::container::flat_map<std::string, std::shared_ptr<SmaDevice>>&
+ smaDevices,
const std::shared_ptr<sdbusplus::asio::connection>& dbusConnection,
mctp::MctpRequester& mctpRequester);
void interfaceRemoved(
sdbusplus::message_t& message,
boost::container::flat_map<std::string, std::shared_ptr<GpuDevice>>&
- gpuDevices);
+ gpuDevices,
+ boost::container::flat_map<std::string, std::shared_ptr<SmaDevice>>&
+ smaDevices);