blob: dda9dec3c8e3277ae357b3e45047672eccc79692 [file] [log] [blame]
/*
* 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 "utils.hpp"
#include <host-ipmid/ipmid-api.h>
#include <cstdio>
#include <host-ipmid/iana.hpp>
#include <host-ipmid/oemrouter.hpp>
#include <memory>
#include <phosphor-logging/log.hpp>
/* TODO: Swap out once https://gerrit.openbmc-project.xyz/12743 is merged */
namespace oem
{
constexpr auto blobTransferCmd = 128;
} // namespace oem
namespace blobs
{
using namespace phosphor::logging;
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, getBlobManager(), &crc, reqBuf,
replyCmdBuf, dataLen);
}
/* TODO: this should come from the makefile or recipe... */
constexpr auto expectedHandlerPath = "/usr/lib/blob-ipmid";
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);
/* Install handlers. */
try
{
loadLibraries(expectedHandlerPath);
}
catch (const std::exception& e)
{
log<level::ERR>("ERROR loading blob handlers",
entry("ERROR=%s", e.what()));
}
}
} // namespace blobs