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 ipmi_ret_t handleBlobCommand(ipmi_cmd_t cmd, const uint8_t* reqBuf, 43 uint8_t* replyCmdBuf, size_t* dataLen) 44 { 45 /* It's holding at least a sub-command. The OEN is trimmed from the bytes 46 * before this is called. 47 */ 48 if ((*dataLen) < 1) 49 { 50 return IPMI_CC_INVALID; 51 } 52 53 Crc16 crc; 54 IpmiBlobHandler command = 55 validateBlobCommand(&crc, reqBuf, replyCmdBuf, dataLen); 56 if (command == nullptr) 57 { 58 return IPMI_CC_INVALID; 59 } 60 61 BlobManager* manager = getBlobManager(); 62 return processBlobCommand(command, manager, &crc, reqBuf, replyCmdBuf, 63 dataLen); 64 } 65 66 void setupBlobGlobalHandler() __attribute__((constructor)); 67 68 void setupBlobGlobalHandler() 69 { 70 oem::Router* oemRouter = oem::mutableRouter(); 71 std::fprintf(stderr, 72 "Registering OEM:[%#08X], Cmd:[%#04X] for Blob Commands\n", 73 oem::obmcOemNumber, oem::blobTransferCmd); 74 75 oemRouter->registerHandler(oem::obmcOemNumber, oem::blobTransferCmd, 76 handleBlobCommand); 77 78 #if ENABLE_EXAMPLE 79 BlobManager* manager = getBlobManager(); 80 manager->registerHandler(std::move(std::make_unique<ExampleBlobHandler>())); 81 #endif 82 } 83 } // namespace blobs 84