summaryrefslogtreecommitdiffstats
path: root/main.cpp
blob: e7c124705132b26d705bd86117b471c7fda47b47 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
/*
 * Copyright 2018 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "config.h"

#include "ipmi.hpp"
#include "process.hpp"

#include <host-ipmid/ipmid-api.h>

#include <cstdio>
#include <host-ipmid/iana.hpp>
#include <host-ipmid/oemrouter.hpp>
#include <memory>

/* TODO: Swap out once https://gerrit.openbmc-project.xyz/12743 is merged */
namespace oem
{
constexpr auto blobTransferCmd = 128;
} // namespace oem

namespace blobs
{

static std::unique_ptr<BlobManager> manager;

static ipmi_ret_t handleBlobCommand(ipmi_cmd_t cmd, const uint8_t* reqBuf,
                                    uint8_t* replyCmdBuf, size_t* dataLen)
{
    /* It's holding at least a sub-command.  The OEN is trimmed from the bytes
     * before this is called.
     */
    if ((*dataLen) < 1)
    {
        return IPMI_CC_INVALID;
    }

    Crc16 crc;
    IpmiBlobHandler command =
        validateBlobCommand(&crc, reqBuf, replyCmdBuf, dataLen);
    if (command == nullptr)
    {
        return IPMI_CC_INVALID;
    }

    return processBlobCommand(command, manager.get(), &crc, reqBuf, replyCmdBuf,
                              dataLen);
}

void setupBlobGlobalHandler() __attribute__((constructor));

void setupBlobGlobalHandler()
{
    oem::Router* oemRouter = oem::mutableRouter();
    std::fprintf(stderr,
                 "Registering OEM:[%#08X], Cmd:[%#04X] for Blob Commands\n",
                 oem::obmcOemNumber, oem::blobTransferCmd);

    oemRouter->registerHandler(oem::obmcOemNumber, oem::blobTransferCmd,
                               handleBlobCommand);

    manager = std::make_unique<BlobManager>();
}
} // namespace blobs
OpenPOWER on IntegriCloud