mirror of https://github.com/yuzu-emu/yuzu
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <span>
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#include <vector>
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#include "common/common_types.h"
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#include "core/hle/service/nvdrv/nvdata.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::Nvidia::Devices {
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/// Represents an abstract nvidia device node. It is to be subclassed by concrete device nodes to
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/// implement the ioctl interface.
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class nvdevice {
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public:
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explicit nvdevice(Core::System& system_) : system{system_} {}
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virtual ~nvdevice() = default;
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/**
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* Handles an ioctl1 request.
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* @param command The ioctl command id.
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* @param input A buffer containing the input data for the ioctl.
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* @param output A buffer where the output data will be written to.
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* @returns The result code of the ioctl.
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*/
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virtual NvResult Ioctl1(DeviceFD fd, Ioctl command, std::span<const u8> input,
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std::vector<u8>& output) = 0;
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/**
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* Handles an ioctl2 request.
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* @param command The ioctl command id.
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* @param input A buffer containing the input data for the ioctl.
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* @param inline_input A buffer containing the input data for the ioctl which has been inlined.
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* @param output A buffer where the output data will be written to.
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* @returns The result code of the ioctl.
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*/
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virtual NvResult Ioctl2(DeviceFD fd, Ioctl command, std::span<const u8> input,
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std::span<const u8> inline_input, std::vector<u8>& output) = 0;
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/**
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* Handles an ioctl3 request.
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* @param command The ioctl command id.
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* @param input A buffer containing the input data for the ioctl.
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* @param output A buffer where the output data will be written to.
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* @param inline_output A buffer where the inlined output data will be written to.
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* @returns The result code of the ioctl.
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*/
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virtual NvResult Ioctl3(DeviceFD fd, Ioctl command, std::span<const u8> input,
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std::vector<u8>& output, std::vector<u8>& inline_output) = 0;
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/**
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* Called once a device is opened
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* @param fd The device fd
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*/
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virtual void OnOpen(DeviceFD fd) = 0;
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/**
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* Called once a device is closed
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* @param fd The device fd
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*/
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virtual void OnClose(DeviceFD fd) = 0;
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virtual Kernel::KEvent* QueryEvent(u32 event_id) {
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return nullptr;
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}
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protected:
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Core::System& system;
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};
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} // namespace Service::Nvidia::Devices
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