blob: 8adaddc60b8e5b5adb844c7512280b23e7e28b88 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <span>
#include <vector>
#include "common/common_types.h"
#include "core/hle/service/nvdrv/core/container.h"
#include "core/hle/service/nvdrv/nvdata.h"
namespace Core {
class System;
}
namespace Kernel {
class KEvent;
}
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:
explicit nvdevice(Core::System& system_) : system{system_} {}
virtual ~nvdevice() = default;
/**
* Handles an ioctl1 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 NvResult Ioctl1(DeviceFD fd, Ioctl command, std::span<const u8> input,
std::span<u8> output) = 0;
/**
* Handles an ioctl2 request.
* @param command The ioctl command id.
* @param input A buffer containing the input data for the ioctl.
* @param inline_input A buffer containing the input data for the ioctl which has been inlined.
* @param output A buffer where the output data will be written to.
* @returns The result code of the ioctl.
*/
virtual NvResult Ioctl2(DeviceFD fd, Ioctl command, std::span<const u8> input,
std::span<const u8> inline_input, std::span<u8> output) = 0;
/**
* Handles an ioctl3 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.
* @param inline_output A buffer where the inlined output data will be written to.
* @returns The result code of the ioctl.
*/
virtual NvResult Ioctl3(DeviceFD fd, Ioctl command, std::span<const u8> input,
std::span<u8> output, std::span<u8> inline_output) = 0;
/**
* Called once a device is opened
* @param fd The device fd
*/
virtual void OnOpen(NvCore::SessionId session_id, DeviceFD fd) = 0;
/**
* Called once a device is closed
* @param fd The device fd
*/
virtual void OnClose(DeviceFD fd) = 0;
virtual Kernel::KEvent* QueryEvent(u32 event_id) {
return nullptr;
}
protected:
Core::System& system;
};
} // namespace Service::Nvidia::Devices
|
