130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
// SPDX-FileCopyrightText: 2021 yuzu emulator team and Skyline Team and Contributors
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// (https://github.com/skyline-emu/)
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// SPDX-License-Identifier: GPL-3.0-or-later Licensed under GPLv3
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// or any later version Refer to the license.txt file included.
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#pragma once
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#include <functional>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "common/common_types.h"
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#include "core/hle/service/kernel_helpers.h"
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#include "core/hle/service/nvdrv/core/container.h"
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#include "core/hle/service/nvdrv/nvdata.h"
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#include "core/hle/service/nvflinger/ui/fence.h"
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#include "core/hle/service/service.h"
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namespace Core {
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class System;
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}
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namespace Kernel {
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class KEvent;
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}
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namespace Service::NVFlinger {
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class NVFlinger;
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}
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namespace Service::Nvidia {
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namespace NvCore {
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class Container;
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class SyncpointManager;
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} // namespace NvCore
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namespace Devices {
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class nvdevice;
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class nvhost_ctrl;
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} // namespace Devices
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class Module;
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class EventInterface {
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public:
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EventInterface(Module& module_);
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~EventInterface();
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void RegisterForSignal(Devices::nvhost_ctrl*);
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void UnregisterForSignal(Devices::nvhost_ctrl*);
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void Signal(u32 syncpoint_id, u32 value);
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Kernel::KEvent* CreateEvent(std::string name);
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void FreeEvent(Kernel::KEvent* event);
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private:
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Module& module;
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std::mutex guard;
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std::list<Devices::nvhost_ctrl*> on_signal;
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};
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class Module final {
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public:
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explicit Module(Core::System& system_);
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~Module();
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/// Returns a pointer to one of the available devices, identified by its name.
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template <typename T>
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std::shared_ptr<T> GetDevice(DeviceFD fd) {
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auto itr = open_files.find(fd);
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if (itr == open_files.end())
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return nullptr;
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return std::static_pointer_cast<T>(itr->second);
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}
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NvResult VerifyFD(DeviceFD fd) const;
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/// Opens a device node and returns a file descriptor to it.
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DeviceFD Open(const std::string& device_name);
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/// Sends an ioctl command to the specified file descriptor.
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NvResult Ioctl1(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
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std::vector<u8>& output);
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NvResult Ioctl2(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
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const std::vector<u8>& inline_input, std::vector<u8>& output);
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NvResult Ioctl3(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
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std::vector<u8>& output, std::vector<u8>& inline_output);
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/// Closes a device file descriptor and returns operation success.
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NvResult Close(DeviceFD fd);
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void SignalSyncpt(const u32 syncpoint_id, const u32 value);
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NvResult QueryEvent(DeviceFD fd, u32 event_id, Kernel::KEvent*& event);
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private:
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friend class EventInterface;
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/// Id to use for the next open file descriptor.
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DeviceFD next_fd = 1;
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using FilesContainerType = std::unordered_map<DeviceFD, std::shared_ptr<Devices::nvdevice>>;
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/// Mapping of file descriptors to the devices they reference.
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FilesContainerType open_files;
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KernelHelpers::ServiceContext service_context;
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EventInterface events_interface;
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/// Manages syncpoints on the host
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NvCore::Container container;
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void CreateEvent(u32 event_id);
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void FreeEvent(u32 event_id);
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std::unordered_map<std::string, std::function<FilesContainerType::iterator(DeviceFD)>> builders;
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};
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/// Registers all NVDRV services with the specified service manager.
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void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger& nvflinger,
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Core::System& system);
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} // namespace Service::Nvidia
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