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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <unordered_map>
#include <vector>
#include "common/common_types.h"
#include "core/hle/service/service.h"
namespace Service::Nvidia {
namespace Devices {
class nvdevice;
}
struct IoctlFence {
u32 id;
u32 value;
};
static_assert(sizeof(IoctlFence) == 8, "IoctlFence has wrong size");
class Module final {
public:
Module();
~Module() = default;
/// Returns a pointer to one of the available devices, identified by its name.
template <typename T>
std::shared_ptr<T> GetDevice(const std::string& name) {
auto itr = devices.find(name);
if (itr == devices.end())
return nullptr;
return std::static_pointer_cast<T>(itr->second);
}
/// Opens a device node and returns a file descriptor to it.
u32 Open(const std::string& device_name);
/// Sends an ioctl command to the specified file descriptor.
u32 Ioctl(u32 fd, u32 command, const std::vector<u8>& input, std::vector<u8>& output);
/// Closes a device file descriptor and returns operation success.
ResultCode Close(u32 fd);
private:
/// Id to use for the next open file descriptor.
u32 next_fd = 1;
/// Mapping of file descriptors to the devices they reference.
std::unordered_map<u32, std::shared_ptr<Devices::nvdevice>> open_files;
/// Mapping of device node names to their implementation.
std::unordered_map<std::string, std::shared_ptr<Devices::nvdevice>> devices;
};
/// Registers all NVDRV services with the specified service manager.
void InstallInterfaces(SM::ServiceManager& service_manager);
extern std::weak_ptr<Module> nvdrv;
} // namespace Service::Nvidia
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