1*a2056e9cSWilly Tu // Copyright 2021 Google LLC 2*a2056e9cSWilly Tu // 3*a2056e9cSWilly Tu // Licensed under the Apache License, Version 2.0 (the "License"); 4*a2056e9cSWilly Tu // you may not use this file except in compliance with the License. 5*a2056e9cSWilly Tu // You may obtain a copy of the License at 6*a2056e9cSWilly Tu // 7*a2056e9cSWilly Tu // http://www.apache.org/licenses/LICENSE-2.0 8*a2056e9cSWilly Tu // 9*a2056e9cSWilly Tu // Unless required by applicable law or agreed to in writing, software 10*a2056e9cSWilly Tu // distributed under the License is distributed on an "AS IS" BASIS, 11*a2056e9cSWilly Tu // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*a2056e9cSWilly Tu // See the License for the specific language governing permissions and 13*a2056e9cSWilly Tu // limitations under the License. 14fd0f1cf9SJaghathiswari Rankappagounder Natarajan 15fd0f1cf9SJaghathiswari Rankappagounder Natarajan #include "entity_name.hpp" 16fd0f1cf9SJaghathiswari Rankappagounder Natarajan 170e9aae5dSPatrick Venture #include "commands.hpp" 1807f85150SPatrick Venture #include "errors.hpp" 1907f85150SPatrick Venture #include "handler.hpp" 20fd0f1cf9SJaghathiswari Rankappagounder Natarajan 21fd0f1cf9SJaghathiswari Rankappagounder Natarajan #include <cstdint> 22fd0f1cf9SJaghathiswari Rankappagounder Natarajan #include <cstring> 23fd0f1cf9SJaghathiswari Rankappagounder Natarajan #include <string> 24fd0f1cf9SJaghathiswari Rankappagounder Natarajan #include <vector> 25fd0f1cf9SJaghathiswari Rankappagounder Natarajan 26fd0f1cf9SJaghathiswari Rankappagounder Natarajan namespace google 27fd0f1cf9SJaghathiswari Rankappagounder Natarajan { 28fd0f1cf9SJaghathiswari Rankappagounder Natarajan namespace ipmi 29fd0f1cf9SJaghathiswari Rankappagounder Natarajan { 30fd0f1cf9SJaghathiswari Rankappagounder Natarajan 31fd0f1cf9SJaghathiswari Rankappagounder Natarajan namespace 32fd0f1cf9SJaghathiswari Rankappagounder Natarajan { 33fd0f1cf9SJaghathiswari Rankappagounder Natarajan 34fd0f1cf9SJaghathiswari Rankappagounder Natarajan // TODO (jaghu) : Add a call to get getChannelMaxTransferSize. 35fd0f1cf9SJaghathiswari Rankappagounder Natarajan #ifndef MAX_IPMI_BUFFER 36fd0f1cf9SJaghathiswari Rankappagounder Natarajan #define MAX_IPMI_BUFFER 64 37fd0f1cf9SJaghathiswari Rankappagounder Natarajan #endif 38fd0f1cf9SJaghathiswari Rankappagounder Natarajan 39fd0f1cf9SJaghathiswari Rankappagounder Natarajan } // namespace 40fd0f1cf9SJaghathiswari Rankappagounder Natarajan 41fd0f1cf9SJaghathiswari Rankappagounder Natarajan struct GetEntityNameRequest 42fd0f1cf9SJaghathiswari Rankappagounder Natarajan { 43fd0f1cf9SJaghathiswari Rankappagounder Natarajan uint8_t subcommand; 4445fad1bbSPatrick Venture uint8_t entityId; 4545fad1bbSPatrick Venture uint8_t entityInstance; 46fd0f1cf9SJaghathiswari Rankappagounder Natarajan } __attribute__((packed)); 47fd0f1cf9SJaghathiswari Rankappagounder Natarajan 48fd0f1cf9SJaghathiswari Rankappagounder Natarajan struct GetEntityNameReply 49fd0f1cf9SJaghathiswari Rankappagounder Natarajan { 50fd0f1cf9SJaghathiswari Rankappagounder Natarajan uint8_t subcommand; 5145fad1bbSPatrick Venture uint8_t entityNameLength; 52fd0f1cf9SJaghathiswari Rankappagounder Natarajan } __attribute__((packed)); 53fd0f1cf9SJaghathiswari Rankappagounder Natarajan 5445fad1bbSPatrick Venture ipmi_ret_t getEntityName(const uint8_t* reqBuf, uint8_t* replyBuf, 5507f85150SPatrick Venture size_t* dataLen, HandlerInterface* handler) 56fd0f1cf9SJaghathiswari Rankappagounder Natarajan { 57fd0f1cf9SJaghathiswari Rankappagounder Natarajan struct GetEntityNameRequest request; 58fd0f1cf9SJaghathiswari Rankappagounder Natarajan 59fd0f1cf9SJaghathiswari Rankappagounder Natarajan if ((*dataLen) < sizeof(request)) 60fd0f1cf9SJaghathiswari Rankappagounder Natarajan { 61fd0f1cf9SJaghathiswari Rankappagounder Natarajan std::fprintf(stderr, "Invalid command length: %u\n", 62fd0f1cf9SJaghathiswari Rankappagounder Natarajan static_cast<uint32_t>(*dataLen)); 63fd0f1cf9SJaghathiswari Rankappagounder Natarajan return IPMI_CC_REQ_DATA_LEN_INVALID; 64fd0f1cf9SJaghathiswari Rankappagounder Natarajan } 65fd0f1cf9SJaghathiswari Rankappagounder Natarajan 66fd0f1cf9SJaghathiswari Rankappagounder Natarajan std::memcpy(&request, &reqBuf[0], sizeof(request)); 67fd0f1cf9SJaghathiswari Rankappagounder Natarajan std::string entityName; 68fd0f1cf9SJaghathiswari Rankappagounder Natarajan try 69fd0f1cf9SJaghathiswari Rankappagounder Natarajan { 7007f85150SPatrick Venture entityName = 7145fad1bbSPatrick Venture handler->getEntityName(request.entityId, request.entityInstance); 72fd0f1cf9SJaghathiswari Rankappagounder Natarajan } 7307f85150SPatrick Venture catch (const IpmiException& e) 74fd0f1cf9SJaghathiswari Rankappagounder Natarajan { 7507f85150SPatrick Venture return e.getIpmiError(); 76fd0f1cf9SJaghathiswari Rankappagounder Natarajan } 77fd0f1cf9SJaghathiswari Rankappagounder Natarajan 78fd0f1cf9SJaghathiswari Rankappagounder Natarajan int length = sizeof(struct GetEntityNameReply) + entityName.length(); 79fd0f1cf9SJaghathiswari Rankappagounder Natarajan 80fd0f1cf9SJaghathiswari Rankappagounder Natarajan // TODO (jaghu) : Add a call to get getChannelMaxTransferSize. 81fd0f1cf9SJaghathiswari Rankappagounder Natarajan if (length > MAX_IPMI_BUFFER) 82fd0f1cf9SJaghathiswari Rankappagounder Natarajan { 83fd0f1cf9SJaghathiswari Rankappagounder Natarajan std::fprintf(stderr, "Response would overflow response buffer\n"); 84fd0f1cf9SJaghathiswari Rankappagounder Natarajan return IPMI_CC_INVALID; 85fd0f1cf9SJaghathiswari Rankappagounder Natarajan } 86fd0f1cf9SJaghathiswari Rankappagounder Natarajan 87fd0f1cf9SJaghathiswari Rankappagounder Natarajan auto reply = reinterpret_cast<struct GetEntityNameReply*>(&replyBuf[0]); 88fd0f1cf9SJaghathiswari Rankappagounder Natarajan reply->subcommand = SysEntityName; 8945fad1bbSPatrick Venture reply->entityNameLength = entityName.length(); 905d789734SWilliam A. Kennington III std::memcpy(reply + 1, entityName.c_str(), entityName.length()); 91fd0f1cf9SJaghathiswari Rankappagounder Natarajan 92fd0f1cf9SJaghathiswari Rankappagounder Natarajan (*dataLen) = length; 93fd0f1cf9SJaghathiswari Rankappagounder Natarajan return IPMI_CC_OK; 94fd0f1cf9SJaghathiswari Rankappagounder Natarajan } 95fd0f1cf9SJaghathiswari Rankappagounder Natarajan } // namespace ipmi 96fd0f1cf9SJaghathiswari Rankappagounder Natarajan } // namespace google 97