| #include "dcmihandler.hpp" |
| #include "host-ipmid/ipmid-api.h" |
| #include <phosphor-logging/elog-errors.hpp> |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdint.h> |
| #include "utils.hpp" |
| #include "xyz/openbmc_project/Common/error.hpp" |
| |
| using namespace phosphor::logging; |
| using InternalFailure = |
| sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure; |
| |
| void register_netfn_dcmi_functions() __attribute__((constructor)); |
| |
| |
| ipmi_ret_t ipmi_dcmi_get_power_limit(ipmi_netfn_t netfn, ipmi_cmd_t cmd, |
| ipmi_request_t request, ipmi_response_t response, |
| ipmi_data_len_t data_len, ipmi_context_t context) |
| { |
| ipmi_ret_t rc = IPMI_DCMI_CC_NO_ACTIVE_POWER_LIMIT; |
| |
| // dcmi-v1-5-rev-spec.pdf 6.6.2. |
| // This is good enough for OpenBMC support for OpenPOWER based systems |
| // TODO research if more is needed |
| uint8_t data_response[] = { 0xDC, 0x00, 0x00, 0x01, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x01}; |
| |
| |
| |
| printf("IPMI DCMI_GET_POWER_LEVEL\n"); |
| |
| memcpy(response, data_response, sizeof(data_response)); |
| *data_len = sizeof(data_response); |
| |
| return rc; |
| } |
| |
| namespace dcmi |
| { |
| |
| void readAssetTagObjectTree(dcmi::assettag::ObjectTree& objectTree) |
| { |
| static constexpr auto mapperBusName = "xyz.openbmc_project.ObjectMapper"; |
| static constexpr auto mapperObjPath = "/xyz/openbmc_project/object_mapper"; |
| static constexpr auto mapperIface = "xyz.openbmc_project.ObjectMapper"; |
| static constexpr auto inventoryRoot = "/xyz/openbmc_project/inventory/"; |
| |
| sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()}; |
| auto depth = 0; |
| |
| auto mapperCall = bus.new_method_call(mapperBusName, |
| mapperObjPath, |
| mapperIface, |
| "GetSubTree"); |
| |
| mapperCall.append(inventoryRoot); |
| mapperCall.append(depth); |
| mapperCall.append(std::vector<std::string>({dcmi::assetTagIntf})); |
| |
| auto mapperReply = bus.call(mapperCall); |
| if (mapperReply.is_method_error()) |
| { |
| log<level::ERR>("Error in mapper call"); |
| elog<InternalFailure>(); |
| } |
| |
| mapperReply.read(objectTree); |
| |
| if (objectTree.empty()) |
| { |
| log<level::ERR>("AssetTag property is not populated"); |
| elog<InternalFailure>(); |
| } |
| } |
| |
| std::string readAssetTag() |
| { |
| sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()}; |
| dcmi::assettag::ObjectTree objectTree; |
| |
| // Read the object tree with the inventory root to figure out the object |
| // that has implemented the Asset tag interface. |
| readAssetTagObjectTree(objectTree); |
| |
| auto method = bus.new_method_call( |
| (objectTree.begin()->second.begin()->first).c_str(), |
| (objectTree.begin()->first).c_str(), |
| dcmi::propIntf, |
| "Get"); |
| method.append(dcmi::assetTagIntf); |
| method.append(dcmi::assetTagProp); |
| |
| auto reply = bus.call(method); |
| if (reply.is_method_error()) |
| { |
| log<level::ERR>("Error in reading asset tag"); |
| elog<InternalFailure>(); |
| } |
| |
| sdbusplus::message::variant<std::string> assetTag; |
| reply.read(assetTag); |
| |
| return assetTag.get<std::string>(); |
| } |
| |
| } // namespace dcmi |
| |
| void register_netfn_dcmi_functions() |
| { |
| // <Get Power Limit> |
| printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_GRPEXT, IPMI_CMD_DCMI_GET_POWER); |
| ipmi_register_callback(NETFUN_GRPEXT, IPMI_CMD_DCMI_GET_POWER, NULL, ipmi_dcmi_get_power_limit, |
| PRIVILEGE_USER); |
| return; |
| } |
| // 956379 |