blob: 3f9b99f912562f539202714a576ff7800b4d2866 [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 "pci_handler.hpp"
#include <cstdint>
#include <cstring>
#include <vector>
namespace blobs
{
bool PciDataHandler::open()
{
/* TODO: For the ASPEED P2A driver, this method will enable the memory
* region to use.
*/
return false;
}
bool PciDataHandler::close()
{
/* TODO: Turn off the P2A bridge and region to disable host-side access.
*/
return false;
}
std::vector<std::uint8_t> PciDataHandler::copyFrom(std::uint32_t length)
{
/* TODO: implement this. */
return {};
}
bool PciDataHandler::writeMeta(const std::vector<std::uint8_t>& configuration)
{
/* PCI handler doesn't require configuration write, only read. */
return false;
}
std::vector<std::uint8_t> PciDataHandler::readMeta()
{
/* PCI handler does require returning a configuration from read. */
struct PciConfigResponse reply;
reply.address = regionAddress;
std::vector<std::uint8_t> bytes;
bytes.resize(sizeof(reply));
std::memcpy(bytes.data(), &reply, sizeof(reply));
return bytes;
}
} // namespace blobs