summaryrefslogtreecommitdiffstats
path: root/src/core/hle/service/nvdrv/interface.cpp
blob: 8e359040fdf170fe721cbd2100be54a605112031 (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
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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#include <cinttypes>
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/k_writable_event.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/service/nvdrv/interface.h"
#include "core/hle/service/nvdrv/nvdata.h"
#include "core/hle/service/nvdrv/nvdrv.h"

namespace Service::Nvidia {

void NVDRV::SignalGPUInterruptSyncpt(const u32 syncpoint_id, const u32 value) {
    nvdrv->SignalSyncpt(syncpoint_id, value);
}

void NVDRV::Open(Kernel::HLERequestContext& ctx) {
    LOG_DEBUG(Service_NVDRV, "called");
    IPC::ResponseBuilder rb{ctx, 4};
    rb.Push(RESULT_SUCCESS);

    if (!is_initialized) {
        rb.Push<DeviceFD>(0);
        rb.PushEnum(NvResult::NotInitialized);

        LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
        return;
    }

    const auto& buffer = ctx.ReadBuffer();
    const std::string device_name(buffer.begin(), buffer.end());

    if (device_name == "/dev/nvhost-prof-gpu") {
        rb.Push<DeviceFD>(0);
        rb.PushEnum(NvResult::NotSupported);

        LOG_WARNING(Service_NVDRV, "/dev/nvhost-prof-gpu cannot be opened in production");
        return;
    }

    DeviceFD fd = nvdrv->Open(device_name);

    rb.Push<DeviceFD>(fd);
    rb.PushEnum(fd != INVALID_NVDRV_FD ? NvResult::Success : NvResult::FileOperationFailed);
}

void NVDRV::ServiceError(Kernel::HLERequestContext& ctx, NvResult result) {
    IPC::ResponseBuilder rb{ctx, 3};
    rb.Push(RESULT_SUCCESS);
    rb.PushEnum(result);
}

void NVDRV::Ioctl1(Kernel::HLERequestContext& ctx) {
    IPC::RequestParser rp{ctx};
    const auto fd = rp.Pop<DeviceFD>();
    const auto command = rp.PopRaw<Ioctl>();
    LOG_DEBUG(Service_NVDRV, "called fd={}, ioctl=0x{:08X}", fd, command.raw);

    if (!is_initialized) {
        ServiceError(ctx, NvResult::NotInitialized);
        LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
        return;
    }

    // Check device
    std::vector<u8> output_buffer(ctx.GetWriteBufferSize(0));
    const auto input_buffer = ctx.ReadBuffer(0);

    const auto nv_result = nvdrv->Ioctl1(fd, command, input_buffer, output_buffer);
    if (command.is_out != 0) {
        ctx.WriteBuffer(output_buffer);
    }

    IPC::ResponseBuilder rb{ctx, 3};
    rb.Push(RESULT_SUCCESS);
    rb.PushEnum(nv_result);
}

void NVDRV::Ioctl2(Kernel::HLERequestContext& ctx) {
    IPC::RequestParser rp{ctx};
    const auto fd = rp.Pop<DeviceFD>();
    const auto command = rp.PopRaw<Ioctl>();
    LOG_DEBUG(Service_NVDRV, "called fd={}, ioctl=0x{:08X}", fd, command.raw);

    if (!is_initialized) {
        ServiceError(ctx, NvResult::NotInitialized);
        LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
        return;
    }

    const auto input_buffer = ctx.ReadBuffer(0);
    const auto input_inlined_buffer = ctx.ReadBuffer(1);
    std::vector<u8> output_buffer(ctx.GetWriteBufferSize(0));

    const auto nv_result =
        nvdrv->Ioctl2(fd, command, input_buffer, input_inlined_buffer, output_buffer);
    if (command.is_out != 0) {
        ctx.WriteBuffer(output_buffer);
    }

    IPC::ResponseBuilder rb{ctx, 3};
    rb.Push(RESULT_SUCCESS);
    rb.PushEnum(nv_result);
}

void NVDRV::Ioctl3(Kernel::HLERequestContext& ctx) {
    IPC::RequestParser rp{ctx};
    const auto fd = rp.Pop<DeviceFD>();
    const auto command = rp.PopRaw<Ioctl>();
    LOG_DEBUG(Service_NVDRV, "called fd={}, ioctl=0x{:08X}", fd, command.raw);

    if (!is_initialized) {
        ServiceError(ctx, NvResult::NotInitialized);
        LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
        return;
    }

    const auto input_buffer = ctx.ReadBuffer(0);
    std::vector<u8> output_buffer(ctx.GetWriteBufferSize(0));
    std::vector<u8> output_buffer_inline(ctx.GetWriteBufferSize(1));

    const auto nv_result =
        nvdrv->Ioctl3(fd, command, input_buffer, output_buffer, output_buffer_inline);
    if (command.is_out != 0) {
        ctx.WriteBuffer(output_buffer, 0);
        ctx.WriteBuffer(output_buffer_inline, 1);
    }

    IPC::ResponseBuilder rb{ctx, 3};
    rb.Push(RESULT_SUCCESS);
    rb.PushEnum(nv_result);
}

void NVDRV::Close(Kernel::HLERequestContext& ctx) {
    LOG_DEBUG(Service_NVDRV, "called");

    if (!is_initialized) {
        ServiceError(ctx, NvResult::NotInitialized);
        LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
        return;
    }

    IPC::RequestParser rp{ctx};
    const auto fd = rp.Pop<DeviceFD>();
    const auto result = nvdrv->Close(fd);

    IPC::ResponseBuilder rb{ctx, 3};
    rb.Push(RESULT_SUCCESS);
    rb.PushEnum(result);
}

void NVDRV::Initialize(Kernel::HLERequestContext& ctx) {
    LOG_WARNING(Service_NVDRV, "(STUBBED) called");

    is_initialized = true;

    IPC::ResponseBuilder rb{ctx, 3};
    rb.Push(RESULT_SUCCESS);
    rb.PushEnum(NvResult::Success);
}

void NVDRV::QueryEvent(Kernel::HLERequestContext& ctx) {
    IPC::RequestParser rp{ctx};
    const auto fd = rp.Pop<DeviceFD>();
    const auto event_id = rp.Pop<u32>() & 0x00FF;
    LOG_WARNING(Service_NVDRV, "(STUBBED) called, fd={:X}, event_id={:X}", fd, event_id);

    if (!is_initialized) {
        ServiceError(ctx, NvResult::NotInitialized);
        LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
        return;
    }

    const auto nv_result = nvdrv->VerifyFD(fd);
    if (nv_result != NvResult::Success) {
        LOG_ERROR(Service_NVDRV, "Invalid FD specified DeviceFD={}!", fd);
        ServiceError(ctx, nv_result);
        return;
    }

    if (event_id < MaxNvEvents) {
        IPC::ResponseBuilder rb{ctx, 3, 1};
        rb.Push(RESULT_SUCCESS);
        auto event = nvdrv->GetEvent(event_id);
        event->Clear();
        rb.PushCopyObjects(event.get());
        rb.PushEnum(NvResult::Success);
    } else {
        IPC::ResponseBuilder rb{ctx, 3};
        rb.Push(RESULT_SUCCESS);
        rb.PushEnum(NvResult::BadParameter);
    }
}

void NVDRV::SetAruid(Kernel::HLERequestContext& ctx) {
    IPC::RequestParser rp{ctx};
    pid = rp.Pop<u64>();
    LOG_WARNING(Service_NVDRV, "(STUBBED) called, pid=0x{:X}", pid);

    IPC::ResponseBuilder rb{ctx, 3};
    rb.Push(RESULT_SUCCESS);
    rb.PushEnum(NvResult::Success);
}

void NVDRV::SetGraphicsFirmwareMemoryMarginEnabled(Kernel::HLERequestContext& ctx) {
    LOG_WARNING(Service_NVDRV, "(STUBBED) called");

    IPC::ResponseBuilder rb{ctx, 2};
    rb.Push(RESULT_SUCCESS);
}

void NVDRV::GetStatus(Kernel::HLERequestContext& ctx) {
    LOG_WARNING(Service_NVDRV, "(STUBBED) called");

    IPC::ResponseBuilder rb{ctx, 3};
    rb.Push(RESULT_SUCCESS);
    rb.PushEnum(NvResult::Success);
}

void NVDRV::DumpGraphicsMemoryInfo(Kernel::HLERequestContext& ctx) {
    // According to SwitchBrew, this has no inputs and no outputs, so effectively does nothing on
    // retail hardware.
    LOG_DEBUG(Service_NVDRV, "called");

    IPC::ResponseBuilder rb{ctx, 2};
    rb.Push(RESULT_SUCCESS);
}

NVDRV::NVDRV(Core::System& system_, std::shared_ptr<Module> nvdrv_, const char* name)
    : ServiceFramework{system_, name}, nvdrv{std::move(nvdrv_)} {
    static const FunctionInfo functions[] = {
        {0, &NVDRV::Open, "Open"},
        {1, &NVDRV::Ioctl1, "Ioctl"},
        {2, &NVDRV::Close, "Close"},
        {3, &NVDRV::Initialize, "Initialize"},
        {4, &NVDRV::QueryEvent, "QueryEvent"},
        {5, nullptr, "MapSharedMem"},
        {6, &NVDRV::GetStatus, "GetStatus"},
        {7, nullptr, "SetAruidForTest"},
        {8, &NVDRV::SetAruid, "SetAruid"},
        {9, &NVDRV::DumpGraphicsMemoryInfo, "DumpGraphicsMemoryInfo"},
        {10, nullptr, "InitializeDevtools"},
        {11, &NVDRV::Ioctl2, "Ioctl2"},
        {12, &NVDRV::Ioctl3, "Ioctl3"},
        {13, &NVDRV::SetGraphicsFirmwareMemoryMarginEnabled,
         "SetGraphicsFirmwareMemoryMarginEnabled"},
    };
    RegisterHandlers(functions);
}

NVDRV::~NVDRV() = default;

} // namespace Service::Nvidia