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
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
|
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.Graphics.Gpu.Memory;
using Ryujinx.Memory;
using System;
namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvMap
{
internal class NvMapDeviceFile : NvDeviceFile
{
private const int FlagNotFreedYet = 1;
private static readonly NvMapIdDictionary _maps = new();
public NvMapDeviceFile(ServiceCtx context, IVirtualMemoryManager memory, ulong owner) : base(context, owner)
{
}
public override NvInternalResult Ioctl(NvIoctl command, Span<byte> arguments)
{
NvInternalResult result = NvInternalResult.NotImplemented;
if (command.Type == NvIoctl.NvMapCustomMagic)
{
switch (command.Number)
{
case 0x01:
result = CallIoctlMethod<NvMapCreate>(Create, arguments);
break;
case 0x03:
result = CallIoctlMethod<NvMapFromId>(FromId, arguments);
break;
case 0x04:
result = CallIoctlMethod<NvMapAlloc>(Alloc, arguments);
break;
case 0x05:
result = CallIoctlMethod<NvMapFree>(Free, arguments);
break;
case 0x09:
result = CallIoctlMethod<NvMapParam>(Param, arguments);
break;
case 0x0e:
result = CallIoctlMethod<NvMapGetId>(GetId, arguments);
break;
case 0x02:
case 0x06:
case 0x07:
case 0x08:
case 0x0a:
case 0x0c:
case 0x0d:
case 0x0f:
case 0x10:
case 0x11:
result = NvInternalResult.NotSupported;
break;
}
}
return result;
}
private NvInternalResult Create(ref NvMapCreate arguments)
{
if (arguments.Size == 0)
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid size 0x{arguments.Size:x8}!");
return NvInternalResult.InvalidInput;
}
int size = BitUtils.AlignUp(arguments.Size, (int)MemoryManager.PageSize);
arguments.Handle = CreateHandleFromMap(new NvMapHandle(size));
Logger.Debug?.Print(LogClass.ServiceNv, $"Created map {arguments.Handle} with size 0x{size:x8}!");
return NvInternalResult.Success;
}
private NvInternalResult FromId(ref NvMapFromId arguments)
{
NvMapHandle map = GetMapFromHandle(Owner, arguments.Id);
if (map == null)
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid handle 0x{arguments.Handle:x8}!");
return NvInternalResult.InvalidInput;
}
map.IncrementRefCount();
arguments.Handle = arguments.Id;
return NvInternalResult.Success;
}
private NvInternalResult Alloc(ref NvMapAlloc arguments)
{
NvMapHandle map = GetMapFromHandle(Owner, arguments.Handle);
if (map == null)
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid handle 0x{arguments.Handle:x8}!");
return NvInternalResult.InvalidInput;
}
if ((arguments.Align & (arguments.Align - 1)) != 0)
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid alignment 0x{arguments.Align:x8}!");
return NvInternalResult.InvalidInput;
}
if ((uint)arguments.Align < MemoryManager.PageSize)
{
arguments.Align = (int)MemoryManager.PageSize;
}
NvInternalResult result = NvInternalResult.Success;
if (!map.Allocated)
{
map.Allocated = true;
map.Align = arguments.Align;
map.Kind = (byte)arguments.Kind;
int size = BitUtils.AlignUp(map.Size, (int)MemoryManager.PageSize);
ulong address = arguments.Address;
if (address == 0)
{
// When the address is zero, we need to allocate
// our own backing memory for the NvMap.
// TODO: Is this allocation inside the transfer memory?
result = NvInternalResult.OutOfMemory;
}
if (result == NvInternalResult.Success)
{
map.Size = size;
map.Address = address;
}
}
return result;
}
private NvInternalResult Free(ref NvMapFree arguments)
{
NvMapHandle map = GetMapFromHandle(Owner, arguments.Handle);
if (map == null)
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid handle 0x{arguments.Handle:x8}!");
return NvInternalResult.InvalidInput;
}
if (DecrementMapRefCount(Owner, arguments.Handle))
{
arguments.Address = map.Address;
arguments.Flags = 0;
}
else
{
arguments.Address = 0;
arguments.Flags = FlagNotFreedYet;
}
arguments.Size = map.Size;
return NvInternalResult.Success;
}
private NvInternalResult Param(ref NvMapParam arguments)
{
NvMapHandle map = GetMapFromHandle(Owner, arguments.Handle);
if (map == null)
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid handle 0x{arguments.Handle:x8}!");
return NvInternalResult.InvalidInput;
}
switch (arguments.Param)
{
case NvMapHandleParam.Size:
arguments.Result = map.Size;
break;
case NvMapHandleParam.Align:
arguments.Result = map.Align;
break;
case NvMapHandleParam.Heap:
arguments.Result = 0x40000000;
break;
case NvMapHandleParam.Kind:
arguments.Result = map.Kind;
break;
case NvMapHandleParam.Compr:
arguments.Result = 0;
break;
// Note: Base is not supported and returns an error.
// Any other value also returns an error.
default:
return NvInternalResult.InvalidInput;
}
return NvInternalResult.Success;
}
private NvInternalResult GetId(ref NvMapGetId arguments)
{
NvMapHandle map = GetMapFromHandle(Owner, arguments.Handle);
if (map == null)
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid handle 0x{arguments.Handle:x8}!");
return NvInternalResult.InvalidInput;
}
arguments.Id = arguments.Handle;
return NvInternalResult.Success;
}
public override void Close()
{
// TODO: refcount NvMapDeviceFile instances and remove when closing
// _maps.TryRemove(GetOwner(), out _);
}
private int CreateHandleFromMap(NvMapHandle map)
{
return _maps.Add(map);
}
private static bool DeleteMapWithHandle(ulong pid, int handle)
{
return _maps.Delete(handle) != null;
}
public static void IncrementMapRefCount(ulong pid, int handle)
{
GetMapFromHandle(pid, handle)?.IncrementRefCount();
}
public static bool DecrementMapRefCount(ulong pid, int handle)
{
NvMapHandle map = GetMapFromHandle(pid, handle);
if (map == null)
{
return false;
}
if (map.DecrementRefCount() <= 0)
{
DeleteMapWithHandle(pid, handle);
Logger.Debug?.Print(LogClass.ServiceNv, $"Deleted map {handle}!");
return true;
}
else
{
return false;
}
}
public static NvMapHandle GetMapFromHandle(ulong pid, int handle)
{
return _maps.Get(handle);
}
}
}
|
