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// SPDX-FileCopyrightText: 2022 yuzu Emulator Project
// SPDX-FileCopyrightText: 2022 Skyline Team and Contributors
// SPDX-License-Identifier: GPL-3.0-or-later
#include <atomic>
#include <deque>
#include <mutex>
#include "core/hle/kernel/k_process.h"
#include "core/hle/service/nvdrv/core/container.h"
#include "core/hle/service/nvdrv/core/nvmap.h"
#include "core/hle/service/nvdrv/core/syncpoint_manager.h"
#include "core/memory.h"
#include "video_core/host1x/host1x.h"
namespace Service::Nvidia::NvCore {
struct ContainerImpl {
explicit ContainerImpl(Tegra::Host1x::Host1x& host1x_)
: host1x{host1x_}, file{host1x_}, manager{host1x_}, device_file_data{} {}
Tegra::Host1x::Host1x& host1x;
NvMap file;
SyncpointManager manager;
Container::Host1xDeviceFileData device_file_data;
std::deque<Session> sessions;
size_t new_ids{};
std::deque<size_t> id_pool;
std::mutex session_guard;
};
Container::Container(Tegra::Host1x::Host1x& host1x_) {
impl = std::make_unique<ContainerImpl>(host1x_);
}
Container::~Container() = default;
size_t Container::OpenSession(Kernel::KProcess* process) {
std::scoped_lock lk(impl->session_guard);
size_t new_id{};
auto* memory_interface = &process->GetMemory();
auto& smmu = impl->host1x.MemoryManager();
auto smmu_id = smmu.RegisterProcess(memory_interface);
if (!impl->id_pool.empty()) {
new_id = impl->id_pool.front();
impl->id_pool.pop_front();
impl->sessions[new_id] = Session{new_id, process, smmu_id};
} else {
impl->sessions.emplace_back(new_id, process, smmu_id);
new_id = impl->new_ids++;
}
LOG_CRITICAL(Debug, "Created Session {}", new_id);
return new_id;
}
void Container::CloseSession(size_t id) {
std::scoped_lock lk(impl->session_guard);
auto& smmu = impl->host1x.MemoryManager();
smmu.UnregisterProcess(impl->sessions[id].smmu_id);
impl->id_pool.emplace_front(id);
LOG_CRITICAL(Debug, "Closed Session {}", id);
}
Session* Container::GetSession(size_t id) {
std::atomic_thread_fence(std::memory_order_acquire);
return &impl->sessions[id];
}
NvMap& Container::GetNvMapFile() {
return impl->file;
}
const NvMap& Container::GetNvMapFile() const {
return impl->file;
}
Container::Host1xDeviceFileData& Container::Host1xDeviceFile() {
return impl->device_file_data;
}
const Container::Host1xDeviceFileData& Container::Host1xDeviceFile() const {
return impl->device_file_data;
}
SyncpointManager& Container::GetSyncpointManager() {
return impl->manager;
}
const SyncpointManager& Container::GetSyncpointManager() const {
return impl->manager;
}
} // namespace Service::Nvidia::NvCore
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