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
|
// SPDX-FileCopyrightText: 2021 yuzu Emulator Project
// SPDX-FileCopyrightText: 2021 Skyline Team and Contributors
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <functional>
#include <list>
#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();
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);
NvResult QueryEvent(DeviceFD fd, u32 event_id, Kernel::KEvent*& event);
private:
friend class EventInterface;
friend class Service::NVFlinger::NVFlinger;
/// 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;
KernelHelpers::ServiceContext service_context;
EventInterface events_interface;
/// Manages syncpoints on the host
NvCore::Container container;
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
|
