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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/hle/service/cmif_serialization.h"
#include "core/hle/service/nvnflinger/binder.h"
#include "core/hle/service/nvnflinger/hos_binder_driver.h"
#include "core/hle/service/nvnflinger/hos_binder_driver_server.h"
#include <atomic>
namespace Service::Nvnflinger {
IHOSBinderDriver::IHOSBinderDriver(Core::System& system_,
std::shared_ptr<HosBinderDriverServer> server,
std::shared_ptr<SurfaceFlinger> surface_flinger)
: ServiceFramework{system_, "IHOSBinderDriver"}, m_server(server),
m_surface_flinger(surface_flinger) {
static const FunctionInfo functions[] = {
{0, C<&IHOSBinderDriver::TransactParcel>, "TransactParcel"},
{1, C<&IHOSBinderDriver::AdjustRefcount>, "AdjustRefcount"},
{2, C<&IHOSBinderDriver::GetNativeHandle>, "GetNativeHandle"},
{3, C<&IHOSBinderDriver::TransactParcelAuto>, "TransactParcelAuto"},
};
RegisterHandlers(functions);
}
IHOSBinderDriver::~IHOSBinderDriver() = default;
Result IHOSBinderDriver::TransactParcel(s32 binder_id, u32 transaction_id,
InBuffer<BufferAttr_HipcMapAlias> parcel_data,
OutBuffer<BufferAttr_HipcMapAlias> parcel_reply,
u32 flags) {
LOG_DEBUG(Service_VI, "called. id={} transaction={}, flags={}", binder_id, transaction_id,
flags);
const auto binder = m_server->TryGetBinder(binder_id);
R_SUCCEED_IF(binder == nullptr);
binder->Transact(transaction_id, parcel_data, parcel_reply, flags);
R_SUCCEED();
}
Result IHOSBinderDriver::AdjustRefcount(s32 binder_id, s32 addval, s32 type) {
LOG_DEBUG(Service_VI, "called id={}, addval={}, type={}", binder_id, addval, type);
const auto binder = m_server->TryGetBinder(binder_id);
R_SUCCEED_IF(binder == nullptr);
// type 0 = weak reference, type 1 = strong reference
if (type == 0) {
binder->AdjustWeakRefcount(addval);
} else if (type == 1) {
binder->AdjustStrongRefcount(addval);
} else {
LOG_ERROR(Service_VI, "Invalid refcount type {}", type);
R_THROW(Kernel::ResultInvalidArgument);
}
R_SUCCEED();
}
Result IHOSBinderDriver::GetNativeHandle(s32 binder_id, u32 type_id,
OutCopyHandle<Kernel::KReadableEvent> out_handle) {
LOG_DEBUG(Service_VI, "called id={}, type_id={}", binder_id, type_id);
const auto binder = m_server->TryGetBinder(binder_id);
R_UNLESS(binder != nullptr, ResultUnknown);
*out_handle = binder->GetNativeHandle(type_id);
R_SUCCEED();
}
Result IHOSBinderDriver::TransactParcelAuto(s32 binder_id, u32 transaction_id,
InBuffer<BufferAttr_HipcAutoSelect> parcel_data,
OutBuffer<BufferAttr_HipcAutoSelect> parcel_reply,
u32 flags) {
R_RETURN(this->TransactParcel(binder_id, transaction_id, parcel_data, parcel_reply, flags));
}
} // namespace Service::Nvnflinger
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