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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 <vector>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/swap.h"
namespace Service::Nvidia::Devices {
/// Represents an abstract nvidia device node. It is to be subclassed by concrete device nodes to
/// implement the ioctl interface.
class nvdevice {
public:
nvdevice() = default;
virtual ~nvdevice() = default;
union Ioctl {
u32_le raw;
BitField<0, 8, u32> cmd;
BitField<8, 8, u32> group;
BitField<16, 14, u32> length;
BitField<30, 1, u32> is_in;
BitField<31, 1, u32> is_out;
};
/**
* Handles an ioctl request.
* @param command The ioctl command id.
* @param input A buffer containing the input data for the ioctl.
* @param output A buffer where the output data will be written to.
* @returns The result code of the ioctl.
*/
virtual u32 ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) = 0;
};
} // namespace Service::Nvidia::Devices
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