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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <cstdlib>
#include <cstring>
#include "common/assert.h"
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_writable_event.h"
#include "core/hle/service/nvdrv/devices/nvhost_ctrl.h"
#include "video_core/gpu.h"
namespace Service::Nvidia::Devices {
nvhost_ctrl::nvhost_ctrl(Core::System& system_, EventInterface& events_interface_,
SyncpointManager& syncpoint_manager_)
: nvdevice{system_}, events_interface{events_interface_}, syncpoint_manager{
syncpoint_manager_} {}
nvhost_ctrl::~nvhost_ctrl() = default;
NvResult nvhost_ctrl::Ioctl1(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
std::vector<u8>& output) {
switch (command.group) {
case 0x0:
switch (command.cmd) {
case 0x1b:
return NvOsGetConfigU32(input, output);
case 0x1c:
return IocCtrlClearEventWait(input, output);
case 0x1d:
return IocCtrlEventWait(input, output, false);
case 0x1e:
return IocCtrlEventWait(input, output, true);
case 0x1f:
return IocCtrlEventRegister(input, output);
case 0x20:
return IocCtrlEventUnregister(input, output);
}
break;
default:
break;
}
UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
return NvResult::NotImplemented;
}
NvResult nvhost_ctrl::Ioctl2(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
const std::vector<u8>& inline_input, std::vector<u8>& output) {
UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
return NvResult::NotImplemented;
}
NvResult nvhost_ctrl::Ioctl3(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
std::vector<u8>& output, std::vector<u8>& inline_outpu) {
UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
return NvResult::NotImplemented;
}
void nvhost_ctrl::OnOpen(DeviceFD fd) {}
void nvhost_ctrl::OnClose(DeviceFD fd) {}
NvResult nvhost_ctrl::NvOsGetConfigU32(const std::vector<u8>& input, std::vector<u8>& output) {
IocGetConfigParams params{};
std::memcpy(¶ms, input.data(), sizeof(params));
LOG_TRACE(Service_NVDRV, "called, setting={}!{}", params.domain_str.data(),
params.param_str.data());
return NvResult::ConfigVarNotFound; // Returns error on production mode
}
NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output,
bool is_async) {
IocCtrlEventWaitParams params{};
std::memcpy(¶ms, input.data(), sizeof(params));
LOG_DEBUG(Service_NVDRV, "syncpt_id={}, threshold={}, timeout={}, is_async={}",
params.syncpt_id, params.threshold, params.timeout, is_async);
if (params.syncpt_id >= MaxSyncPoints) {
return NvResult::BadParameter;
}
u32 event_id = params.value & 0x00FF;
if (event_id >= MaxNvEvents) {
std::memcpy(output.data(), ¶ms, sizeof(params));
return NvResult::BadParameter;
}
if (syncpoint_manager.IsSyncpointExpired(params.syncpt_id, params.threshold)) {
params.value = syncpoint_manager.GetSyncpointMin(params.syncpt_id);
std::memcpy(output.data(), ¶ms, sizeof(params));
events_interface.failed[event_id] = false;
return NvResult::Success;
}
if (const auto new_value = syncpoint_manager.RefreshSyncpoint(params.syncpt_id);
syncpoint_manager.IsSyncpointExpired(params.syncpt_id, params.threshold)) {
params.value = new_value;
std::memcpy(output.data(), ¶ms, sizeof(params));
events_interface.failed[event_id] = false;
return NvResult::Success;
}
auto& event = events_interface.events[event_id];
auto& gpu = system.GPU();
const u32 current_syncpoint_value = event.fence.value;
const s32 diff = current_syncpoint_value - params.threshold;
const u32 target_value = params.value;
if (!is_async) {
params.value = 0;
}
const auto check_failing = [&]() {
if (events_interface.failed[event_id]) {
{
auto lk = system.StallProcesses();
gpu.WaitFence(params.syncpt_id, target_value);
system.UnstallProcesses();
}
std::memcpy(output.data(), ¶ms, sizeof(params));
events_interface.failed[event_id] = false;
return true;
}
return false;
};
if (params.timeout == 0) {
if (check_failing()) {
return NvResult::Success;
}
return NvResult::Timeout;
}
EventState status = events_interface.status[event_id];
const bool bad_parameter = status == EventState::Busy;
if (bad_parameter) {
std::memcpy(output.data(), ¶ms, sizeof(params));
return NvResult::BadParameter;
}
events_interface.SetEventStatus(event_id, EventState::Waiting);
events_interface.assigned_syncpt[event_id] = params.syncpt_id;
events_interface.assigned_value[event_id] = target_value;
if (is_async) {
params.value = params.syncpt_id << 4;
} else {
params.value = ((params.syncpt_id & 0xfff) << 16) | 0x10000000;
}
params.value |= event_id;
if (check_failing()) {
return NvResult::Success;
}
gpu.RegisterSyncptInterrupt(params.syncpt_id, target_value);
std::memcpy(output.data(), ¶ms, sizeof(params));
return NvResult::Timeout;
}
NvResult nvhost_ctrl::IocCtrlEventRegister(const std::vector<u8>& input, std::vector<u8>& output) {
IocCtrlEventRegisterParams params{};
std::memcpy(¶ms, input.data(), sizeof(params));
const u32 event_id = params.user_event_id & 0x00FF;
LOG_DEBUG(Service_NVDRV, " called, user_event_id: {:X}", event_id);
if (event_id >= MaxNvEvents) {
return NvResult::BadParameter;
}
if (events_interface.registered[event_id]) {
const auto event_state = events_interface.status[event_id];
if (event_state != EventState::Free) {
LOG_WARNING(Service_NVDRV, "Event already registered! Unregistering previous event");
events_interface.UnregisterEvent(event_id);
} else {
return NvResult::BadParameter;
}
}
events_interface.RegisterEvent(event_id);
return NvResult::Success;
}
NvResult nvhost_ctrl::IocCtrlEventUnregister(const std::vector<u8>& input,
std::vector<u8>& output) {
IocCtrlEventUnregisterParams params{};
std::memcpy(¶ms, input.data(), sizeof(params));
const u32 event_id = params.user_event_id & 0x00FF;
LOG_DEBUG(Service_NVDRV, " called, user_event_id: {:X}", event_id);
if (event_id >= MaxNvEvents) {
return NvResult::BadParameter;
}
if (!events_interface.registered[event_id]) {
return NvResult::BadParameter;
}
events_interface.UnregisterEvent(event_id);
return NvResult::Success;
}
NvResult nvhost_ctrl::IocCtrlClearEventWait(const std::vector<u8>& input, std::vector<u8>& output) {
IocCtrlEventSignalParams params{};
std::memcpy(¶ms, input.data(), sizeof(params));
u32 event_id = params.event_id & 0x00FF;
LOG_WARNING(Service_NVDRV, "cleared event wait on, event_id: {:X}", event_id);
if (event_id >= MaxNvEvents) {
return NvResult::BadParameter;
}
if (events_interface.status[event_id] == EventState::Waiting) {
events_interface.LiberateEvent(event_id);
}
events_interface.failed[event_id] = true;
syncpoint_manager.RefreshSyncpoint(events_interface.events[event_id].fence.id);
return NvResult::Success;
}
} // namespace Service::Nvidia::Devices
|
