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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
// SPDX-FileCopyrightText: 2021 yuzu emulator team and Skyline Team and Contributors
// (https://github.com/skyline-emu/)
// SPDX-License-Identifier: GPL-3.0-or-later Licensed under GPLv3
// or any later version Refer to the license.txt file included.
#pragma once
#include <functional>
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
#include "common/common_types.h"
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/nvdrv/core/container.h"
#include "core/hle/service/nvdrv/nvdata.h"
#include "core/hle/service/nvflinger/ui/fence.h"
#include "core/hle/service/service.h"
namespace Core {
class System;
}
namespace Kernel {
class KEvent;
}
namespace Service::NVFlinger {
class NVFlinger;
}
namespace Service::Nvidia {
namespace NvCore {
class Container;
class SyncpointManager;
} // namespace NvCore
namespace Devices {
class nvdevice;
class nvhost_ctrl;
} // namespace Devices
class Module;
class EventInterface {
public:
EventInterface(Module& module_);
~EventInterface();
void RegisterForSignal(Devices::nvhost_ctrl*);
void UnregisterForSignal(Devices::nvhost_ctrl*);
void Signal(u32 syncpoint_id, u32 value);
Kernel::KEvent* CreateEvent(std::string name);
void FreeEvent(Kernel::KEvent* event);
private:
Module& module;
std::mutex guard;
std::list<Devices::nvhost_ctrl*> on_signal;
};
class Module final {
public:
explicit Module(Core::System& system_);
~Module();
/// Returns a pointer to one of the available devices, identified by its name.
template <typename T>
std::shared_ptr<T> GetDevice(DeviceFD fd) {
auto itr = open_files.find(fd);
if (itr == open_files.end())
return nullptr;
return std::static_pointer_cast<T>(itr->second);
}
NvResult VerifyFD(DeviceFD fd) const;
/// Opens a device node and returns a file descriptor to it.
DeviceFD Open(const std::string& device_name);
/// Sends an ioctl command to the specified file descriptor.
NvResult Ioctl1(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
std::vector<u8>& output);
NvResult Ioctl2(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
const std::vector<u8>& inline_input, std::vector<u8>& output);
NvResult Ioctl3(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
std::vector<u8>& output, std::vector<u8>& inline_output);
/// Closes a device file descriptor and returns operation success.
NvResult Close(DeviceFD fd);
void SignalSyncpt(const u32 syncpoint_id, const u32 value);
NvResult QueryEvent(DeviceFD fd, u32 event_id, Kernel::KEvent*& event);
private:
friend class EventInterface;
/// Id to use for the next open file descriptor.
DeviceFD next_fd = 1;
using FilesContainerType = std::unordered_map<DeviceFD, std::shared_ptr<Devices::nvdevice>>;
/// Mapping of file descriptors to the devices they reference.
FilesContainerType open_files;
/// Mapping of device node names to their implementation.
std::unordered_map<std::string, std::shared_ptr<Devices::nvdevice>> devices;
KernelHelpers::ServiceContext service_context;
EventInterface events_interface;
/// Manages syncpoints on the host
NvCore::Container container;
void CreateEvent(u32 event_id);
void FreeEvent(u32 event_id);
std::unordered_map<std::string, std::function<FilesContainerType::iterator(DeviceFD)>> builders;
};
/// Registers all NVDRV services with the specified service manager.
void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger& nvflinger,
Core::System& system);
} // namespace Service::Nvidia
|
