blob: f897fda65d6da589de8ae974ad70f3a5cf8d3fd9 [file] [log] [blame]
Patrick Ventureef3aead2018-09-12 08:53:29 -07001/*
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"
Patrick Venture5100a382018-09-27 10:40:50 -070021#include "utils.hpp"
Patrick Ventureef3aead2018-09-12 08:53:29 -070022
23#include <host-ipmid/ipmid-api.h>
24
25#include <cstdio>
26#include <host-ipmid/iana.hpp>
27#include <host-ipmid/oemrouter.hpp>
28#include <memory>
29
30/* TODO: Swap out once https://gerrit.openbmc-project.xyz/12743 is merged */
31namespace oem
32{
33constexpr auto blobTransferCmd = 128;
34} // namespace oem
35
36namespace blobs
37{
38
Patrick Ventureef3aead2018-09-12 08:53:29 -070039static ipmi_ret_t handleBlobCommand(ipmi_cmd_t cmd, const uint8_t* reqBuf,
40 uint8_t* replyCmdBuf, size_t* dataLen)
41{
42 /* It's holding at least a sub-command. The OEN is trimmed from the bytes
43 * before this is called.
44 */
45 if ((*dataLen) < 1)
46 {
47 return IPMI_CC_INVALID;
48 }
49
50 Crc16 crc;
51 IpmiBlobHandler command =
52 validateBlobCommand(&crc, reqBuf, replyCmdBuf, dataLen);
53 if (command == nullptr)
54 {
55 return IPMI_CC_INVALID;
56 }
57
Patrick Ventureb3e07e22018-09-27 15:11:57 -070058 BlobManager* manager = getBlobManager();
59 return processBlobCommand(command, manager, &crc, reqBuf, replyCmdBuf,
Patrick Ventureef3aead2018-09-12 08:53:29 -070060 dataLen);
61}
62
Patrick Venture5100a382018-09-27 10:40:50 -070063/* TODO: this should come from the makefile or recipe... */
64constexpr auto expectedHandlerPath = "/usr/lib/blobs-ipmid";
65
Patrick Ventureef3aead2018-09-12 08:53:29 -070066void setupBlobGlobalHandler() __attribute__((constructor));
67
68void 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
Patrick Venture5100a382018-09-27 10:40:50 -070078 /* Install handlers. */
79 loadLibraries(expectedHandlerPath);
Patrick Ventureef3aead2018-09-12 08:53:29 -070080}
81} // namespace blobs