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 "manager.hpp"
21 #include "process.hpp"
22 #include "utils.hpp"
23
24 #include <ipmid/api.h>
25
26 #include <ipmid/api-types.hpp>
27 #include <ipmid/handler.hpp>
28 #include <ipmid/iana.hpp>
29 #include <ipmid/oemopenbmc.hpp>
30 #include <ipmid/oemrouter.hpp>
31 #include <phosphor-logging/log.hpp>
32 #include <user_channel/channel_layer.hpp>
33
34 #include <cstdio>
35 #include <memory>
36 #include <span>
37
38 namespace blobs
39 {
40
41 using namespace phosphor::logging;
42
43 void setupBlobGlobalHandler() __attribute__((constructor));
44
setupBlobGlobalHandler()45 void setupBlobGlobalHandler()
46 {
47 std::fprintf(stderr,
48 "Registering OEM:[%#08X], Cmd:[%#04X] for Blob Commands\n",
49 oem::obmcOemNumber, oem::Cmd::blobTransferCmd);
50
51 ipmi::registerOemHandler(ipmi::prioOemBase, oem::obmcOemNumber,
52 oem::Cmd::blobTransferCmd, ::ipmi::Privilege::User,
53 [](ipmi::Context::ptr ctx, uint8_t cmd,
54 const std::vector<uint8_t>& data) {
55 // Get current IPMI channel and get the max transfer size
56 // (assuming that it does not change).
57 return handleBlobCommand(cmd, data,
58 ipmi::getChannelMaxTransferSize(ctx->channel));
59 });
60
61 /* Install handlers. */
62 try
63 {
64 loadLibraries(getBlobManager(), BLOB_LIB_PATH);
65 }
66 catch (const std::exception& e)
67 {
68 log<level::ERR>("ERROR loading blob handlers",
69 entry("ERROR=%s", e.what()));
70 }
71 }
72 } // namespace blobs
73