1 /* 2 * Copyright 2018 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "config.h" 18 19 #include "ipmi.hpp" 20 #include "process.hpp" 21 22 #include <host-ipmid/ipmid-api.h> 23 24 #include <cstdio> 25 #include <host-ipmid/iana.hpp> 26 #include <host-ipmid/oemrouter.hpp> 27 #include <memory> 28 29 #if ENABLE_EXAMPLE 30 #include "example/example.hpp" 31 #endif 32 33 /* TODO: Swap out once https://gerrit.openbmc-project.xyz/12743 is merged */ 34 namespace oem 35 { 36 constexpr auto blobTransferCmd = 128; 37 } // namespace oem 38 39 namespace blobs 40 { 41 42 static std::unique_ptr<BlobManager> manager; 43 44 static ipmi_ret_t handleBlobCommand(ipmi_cmd_t cmd, const uint8_t* reqBuf, 45 uint8_t* replyCmdBuf, size_t* dataLen) 46 { 47 /* It's holding at least a sub-command. The OEN is trimmed from the bytes 48 * before this is called. 49 */ 50 if ((*dataLen) < 1) 51 { 52 return IPMI_CC_INVALID; 53 } 54 55 Crc16 crc; 56 IpmiBlobHandler command = 57 validateBlobCommand(&crc, reqBuf, replyCmdBuf, dataLen); 58 if (command == nullptr) 59 { 60 return IPMI_CC_INVALID; 61 } 62 63 return processBlobCommand(command, manager.get(), &crc, reqBuf, replyCmdBuf, 64 dataLen); 65 } 66 67 void setupBlobGlobalHandler() __attribute__((constructor)); 68 69 void setupBlobGlobalHandler() 70 { 71 oem::Router* oemRouter = oem::mutableRouter(); 72 std::fprintf(stderr, 73 "Registering OEM:[%#08X], Cmd:[%#04X] for Blob Commands\n", 74 oem::obmcOemNumber, oem::blobTransferCmd); 75 76 oemRouter->registerHandler(oem::obmcOemNumber, oem::blobTransferCmd, 77 handleBlobCommand); 78 79 manager = std::make_unique<BlobManager>(); 80 81 #if ENABLE_EXAMPLE 82 manager->registerHandler(std::move(std::make_unique<ExampleBlobHandler>())); 83 #endif 84 } 85 } // namespace blobs 86