blob: 1e3f3fdd9bacd2707a89a0a636222c4630777488 [file] [log] [blame]
#pragma once
#include "config.h"
#include "common/utils.hpp"
#include "libpldmresponder/pdr.hpp"
#include "pdr_utils.hpp"
#include "pldmd/handler.hpp"
#include <libpldm/platform.h>
#include <libpldm/states.h>
#include <cstdint>
#include <map>
namespace pldm
{
namespace responder
{
namespace platform_state_effecter
{
/** @brief Function to set the effecter requested by pldm requester
*
* @tparam[in] DBusInterface - DBus interface type
* @tparam[in] Handler - pldm::responder::platform::Handler
* @param[in] dBusIntf - The interface object of DBusInterface
* @param[in] handler - The interface object of
* pldm::responder::platform::Handler
* @param[in] effecterId - Effecter ID sent by the requester to act on
* @param[in] stateField - The state field data for each of the states,
* equal to composite effecter count in number
* @return - Success or failure in setting the states. Returns failure in
* terms of PLDM completion codes if atleast one state fails to be set
*/
template <class DBusInterface, class Handler>
int setStateEffecterStatesHandler(
const DBusInterface& dBusIntf, Handler& handler, uint16_t effecterId,
const std::vector<set_effecter_state_field>& stateField)
{
using namespace pldm::responder::pdr;
using namespace pldm::utils;
using StateSetNum = uint8_t;
state_effecter_possible_states* states = nullptr;
pldm_state_effecter_pdr* pdr = nullptr;
uint8_t compEffecterCnt = stateField.size();
std::unique_ptr<pldm_pdr, decltype(&pldm_pdr_destroy)> stateEffecterPdrRepo(
pldm_pdr_init(), pldm_pdr_destroy);
pldm::responder::pdr_utils::Repo stateEffecterPDRs(
stateEffecterPdrRepo.get());
getRepoByType(handler.getRepo(), stateEffecterPDRs,
PLDM_STATE_EFFECTER_PDR);
if (stateEffecterPDRs.empty())
{
std::cerr << "Failed to get record by PDR type\n";
return PLDM_PLATFORM_INVALID_EFFECTER_ID;
}
pldm::responder::pdr_utils::PdrEntry pdrEntry{};
auto pdrRecord = stateEffecterPDRs.getFirstRecord(pdrEntry);
while (pdrRecord)
{
pdr = reinterpret_cast<pldm_state_effecter_pdr*>(pdrEntry.data);
if (pdr->effecter_id != effecterId)
{
pdr = nullptr;
pdrRecord = stateEffecterPDRs.getNextRecord(pdrRecord, pdrEntry);
continue;
}
states = reinterpret_cast<state_effecter_possible_states*>(
pdr->possible_states);
if (compEffecterCnt > pdr->composite_effecter_count)
{
std::cerr << "The requester sent wrong composite effecter"
<< " count for the effecter, EFFECTER_ID=" << effecterId
<< "COMP_EFF_CNT=" << compEffecterCnt << "\n";
return PLDM_ERROR_INVALID_DATA;
}
break;
}
if (!pdr)
{
return PLDM_PLATFORM_INVALID_EFFECTER_ID;
}
int rc = PLDM_SUCCESS;
try
{
const auto& [dbusMappings, dbusValMaps] =
handler.getDbusObjMaps(effecterId);
for (uint8_t currState = 0; currState < compEffecterCnt; ++currState)
{
std::vector<StateSetNum> allowed{};
// computation is based on table 79 from DSP0248 v1.1.1
uint8_t bitfieldIndex = stateField[currState].effecter_state / 8;
uint8_t bit =
stateField[currState].effecter_state - (8 * bitfieldIndex);
if (states->possible_states_size < bitfieldIndex ||
!(states->states[bitfieldIndex].byte & (1 << bit)))
{
std::cerr << "Invalid state set value, EFFECTER_ID="
<< effecterId
<< " VALUE=" << stateField[currState].effecter_state
<< " COMPOSITE_EFFECTER_ID=" << currState
<< " DBUS_PATH=" << dbusMappings[currState].objectPath
<< "\n";
rc = PLDM_PLATFORM_SET_EFFECTER_UNSUPPORTED_SENSORSTATE;
break;
}
const DBusMapping& dbusMapping = dbusMappings[currState];
const pldm::responder::pdr_utils::StatestoDbusVal& dbusValToMap =
dbusValMaps[currState];
if (stateField[currState].set_request == PLDM_REQUEST_SET)
{
try
{
dBusIntf.setDbusProperty(
dbusMapping,
dbusValToMap.at(stateField[currState].effecter_state));
}
catch (const std::exception& e)
{
std::cerr
<< "Error setting property, ERROR=" << e.what()
<< " PROPERTY=" << dbusMapping.propertyName
<< " INTERFACE=" << dbusMapping.interface << " PATH="
<< dbusMapping.objectPath << "\n";
return PLDM_ERROR;
}
}
uint8_t* nextState =
reinterpret_cast<uint8_t*>(states) +
sizeof(state_effecter_possible_states) -
sizeof(states->states) +
(states->possible_states_size * sizeof(states->states));
states =
reinterpret_cast<state_effecter_possible_states*>(nextState);
}
}
catch (const std::out_of_range& e)
{
std::cerr << "Unknown effecter ID : " << effecterId << e.what() << '\n';
return PLDM_ERROR;
}
return rc;
}
} // namespace platform_state_effecter
} // namespace responder
} // namespace pldm