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
284
285
286
287
288
289
|
/*
* Copyright (C) 2020-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/helpers/non_copyable_or_moveable.h"
#include "shared/source/memory_manager/gfx_partition.h"
#include "shared/source/memory_manager/memory_manager.h"
#include "shared/source/os_interface/sys_calls_common.h"
#include "shared/source/utilities/stackvec.h"
#include "level_zero/core/source/context/context.h"
#include "level_zero/core/source/driver/driver_handle_imp.h"
#include <map>
namespace NEO {
class GraphicsAllocation;
enum class HeapIndex : uint32_t;
struct SvmAllocationData;
struct VirtualMemoryReservation;
} // namespace NEO
namespace L0 {
struct StructuresLookupTable;
struct DriverHandleImp;
struct Device;
struct IpcCounterBasedEventData;
class ContextExt;
struct DriverHandle;
ContextExt *createContextExt(DriverHandle *driverHandle);
void destroyContextExt(ContextExt *ctxExt);
struct ContextSettings {
bool enablePidfdOrSockets = true;
bool enableSvmHeapReservation = true;
};
struct ContextImp : Context, NEO::NonCopyableAndNonMovableClass {
ContextImp(DriverHandle *driverHandle);
~ContextImp() override;
ze_result_t destroy() override;
ze_result_t getStatus() override;
DriverHandle *getDriverHandle() override;
ze_result_t allocHostMem(const ze_host_mem_alloc_desc_t *hostDesc,
size_t size,
size_t alignment,
void **ptr) override;
ze_result_t allocDeviceMem(ze_device_handle_t hDevice,
const ze_device_mem_alloc_desc_t *deviceDesc,
size_t size,
size_t alignment, void **ptr) override;
ze_result_t allocSharedMem(ze_device_handle_t hDevice,
const ze_device_mem_alloc_desc_t *deviceDesc,
const ze_host_mem_alloc_desc_t *hostDesc,
size_t size,
size_t alignment,
void **ptr) override;
ze_result_t freeMem(const void *ptr) override;
ze_result_t freeMem(const void *ptr, bool blocking) override;
ze_result_t freeMemExt(const ze_memory_free_ext_desc_t *pMemFreeDesc,
void *ptr) override;
ze_result_t registerMemoryFreeCallback(zex_memory_free_callback_ext_desc_t *pfnCallbackDesc, void *ptr) override;
ze_result_t makeMemoryResident(ze_device_handle_t hDevice,
void *ptr,
size_t size) override;
ze_result_t evictMemory(ze_device_handle_t hDevice,
void *ptr,
size_t size) override;
ze_result_t makeImageResident(ze_device_handle_t hDevice, ze_image_handle_t hImage) override;
ze_result_t evictImage(ze_device_handle_t hDevice, ze_image_handle_t hImage) override;
ze_result_t getMemAddressRange(const void *ptr,
void **pBase,
size_t *pSize) override;
ze_result_t closeIpcMemHandle(const void *ptr) override;
ze_result_t putIpcMemHandle(ze_ipc_mem_handle_t ipcHandle) override;
ze_result_t getIpcMemHandle(const void *ptr,
ze_ipc_mem_handle_t *pIpcHandle) override;
ze_result_t openIpcMemHandle(ze_device_handle_t hDevice,
const ze_ipc_mem_handle_t &handle,
ze_ipc_memory_flags_t flags,
void **ptr) override;
ze_result_t getIpcHandleFromFd(uint64_t handle, ze_ipc_mem_handle_t *pIpcHandle) override;
ze_result_t getFdFromIpcHandle(ze_ipc_mem_handle_t ipcHandle, uint64_t *pHandle) override;
ze_result_t lockMemory(ze_device_handle_t hDevice, void *ptr, size_t size) override;
ze_result_t
getIpcMemHandles(
const void *ptr,
uint32_t *numIpcHandles,
ze_ipc_mem_handle_t *pIpcHandles) override;
ze_result_t
openIpcMemHandles(
ze_device_handle_t hDevice,
uint32_t numIpcHandles,
ze_ipc_mem_handle_t *pIpcHandles,
ze_ipc_memory_flags_t flags,
void **pptr) override;
ze_result_t getMemAllocProperties(const void *ptr,
ze_memory_allocation_properties_t *pMemAllocProperties,
ze_device_handle_t *phDevice) override;
ze_result_t getImageAllocProperties(Image *image,
ze_image_allocation_ext_properties_t *pAllocProperties) override;
ze_result_t setAtomicAccessAttribute(ze_device_handle_t hDevice, const void *ptr, size_t size, ze_memory_atomic_attr_exp_flags_t attr) override;
ze_result_t getAtomicAccessAttribute(ze_device_handle_t hDevice, const void *ptr, size_t size, ze_memory_atomic_attr_exp_flags_t *pAttr) override;
ze_result_t createModule(ze_device_handle_t hDevice,
const ze_module_desc_t *desc,
ze_module_handle_t *phModule,
ze_module_build_log_handle_t *phBuildLog) override;
ze_result_t createSampler(ze_device_handle_t hDevice,
const ze_sampler_desc_t *pDesc,
ze_sampler_handle_t *phSampler) override;
ze_result_t createCommandQueue(ze_device_handle_t hDevice,
const ze_command_queue_desc_t *desc,
ze_command_queue_handle_t *commandQueue) override;
ze_result_t createCommandList(ze_device_handle_t hDevice,
const ze_command_list_desc_t *desc,
ze_command_list_handle_t *commandList) override;
ze_result_t createCommandListImmediate(ze_device_handle_t hDevice,
const ze_command_queue_desc_t *desc,
ze_command_list_handle_t *commandList) override;
ze_result_t activateMetricGroups(zet_device_handle_t hDevice,
uint32_t count,
zet_metric_group_handle_t *phMetricGroups) override;
ze_result_t reserveVirtualMem(const void *pStart,
size_t size,
void **pptr) override;
ze_result_t freeVirtualMem(const void *ptr,
size_t size) override;
ze_result_t queryVirtualMemPageSizeWithStartAddress(ze_device_handle_t hDevice,
const void *pStart,
size_t size,
size_t *pagesize) override;
ze_result_t queryVirtualMemPageSize(ze_device_handle_t hDevice,
size_t size,
size_t *pagesize) override;
ze_result_t createPhysicalMem(ze_device_handle_t hDevice,
ze_physical_mem_desc_t *desc,
ze_physical_mem_handle_t *phPhysicalMemory) override;
ze_result_t destroyPhysicalMem(ze_physical_mem_handle_t hPhysicalMemory) override;
ze_result_t mapVirtualMem(const void *ptr,
size_t size,
ze_physical_mem_handle_t hPhysicalMemory,
size_t offset,
ze_memory_access_attribute_t access) override;
ze_result_t unMapVirtualMem(const void *ptr,
size_t size) override;
ze_result_t setVirtualMemAccessAttribute(const void *ptr,
size_t size,
ze_memory_access_attribute_t access) override;
ze_result_t getVirtualMemAccessAttribute(const void *ptr,
size_t size,
ze_memory_access_attribute_t *access,
size_t *outSize) override;
ze_result_t openEventPoolIpcHandle(const ze_ipc_event_pool_handle_t &ipcEventPoolHandle,
ze_event_pool_handle_t *eventPoolHandle) override;
ze_result_t openCounterBasedIpcHandle(const IpcCounterBasedEventData &ipcData, ze_event_handle_t *phEvent);
ze_result_t createEventPool(const ze_event_pool_desc_t *desc,
uint32_t numDevices,
ze_device_handle_t *phDevices,
ze_event_pool_handle_t *phEventPool) override;
ze_result_t createImage(ze_device_handle_t hDevice,
const ze_image_desc_t *desc,
ze_image_handle_t *phImage) override;
ze_result_t getVirtualAddressSpaceIpcHandle(ze_device_handle_t hDevice,
ze_ipc_mem_handle_t *pIpcHandle) override;
ze_result_t putVirtualAddressSpaceIpcHandle(ze_ipc_mem_handle_t ipcHandle) override;
std::map<uint32_t, ze_device_handle_t> &getDevices() {
return devices;
}
void freePeerAllocations(const void *ptr, bool blocking, Device *device);
ze_result_t handleAllocationExtensions(NEO::GraphicsAllocation *alloc, ze_memory_type_t type,
void *pNext, struct DriverHandleImp *driverHandle);
RootDeviceIndicesContainer rootDeviceIndices;
std::map<uint32_t, NEO::DeviceBitfield> deviceBitfields;
ContextSettings contextSettings;
bool isDeviceDefinedForThisContext(Device *inDevice);
bool isShareableMemory(const void *exportDesc, bool exportableMemory, NEO::Device *neoDevice, bool shareableWithoutNTHandle) override;
void *getMemHandlePtr(ze_device_handle_t hDevice, uint64_t handle, NEO::AllocationType allocationType, unsigned int processId, ze_ipc_memory_flags_t flags) override;
void getDataFromIpcHandle(ze_device_handle_t hDevice, const ze_ipc_mem_handle_t ipcHandle, uint64_t &handle, uint8_t &type, unsigned int &processId, uint64_t &poolOffset) override;
bool isOpaqueHandleSupported(IpcHandleType *handleType) override;
void initDeviceHandles(uint32_t numDevices, ze_device_handle_t *deviceHandles) {
this->numDevices = numDevices;
if (numDevices > 0) {
this->deviceHandles.assign(deviceHandles, deviceHandles + numDevices);
}
}
void addDeviceHandle(ze_device_handle_t deviceHandle) {
this->deviceHandles.push_back(deviceHandle);
this->numDevices = static_cast<uint32_t>(this->deviceHandles.size());
}
NEO::VirtualMemoryReservation *findSupportedVirtualReservation(const void *ptr, size_t size);
ze_result_t checkMemSizeLimit(Device *inDevice, size_t size, bool relaxedSizeAllowed, void **ptr);
ze_result_t getPitchFor2dImage(
ze_device_handle_t hDevice,
size_t imageWidth,
size_t imageHeight,
unsigned int elementSizeInBytes,
size_t *rowPitch) override;
ContextExt *getContextExt() override {
return contextExt;
}
uint32_t getNumDevices() const {
return numDevices;
}
protected:
ze_result_t getIpcMemHandlesImpl(const void *ptr, uint32_t *numIpcHandles, ze_ipc_mem_handle_t *pIpcHandles);
template <typename IpcDataT>
void setIPCHandleData(NEO::GraphicsAllocation *graphicsAllocation, uint64_t handle, IpcDataT &ipcData, uint64_t ptrAddress, uint8_t type, NEO::UsmMemAllocPool *usmPool, IpcHandleType handleType) {
std::map<uint64_t, IpcHandleTracking *>::iterator ipcHandleIterator;
ipcData = {};
if constexpr (std::is_same_v<IpcDataT, IpcMemoryData>) {
ipcData.handle = handle;
ipcData.type = type;
}
if constexpr (std::is_same_v<IpcDataT, IpcOpaqueMemoryData>) {
ipcData.memoryType = type;
ipcData.processId = NEO::SysCalls::getCurrentProcessId();
ipcData.type = handleType;
if (handleType == IpcHandleType::ntHandle) {
ipcData.handle.reserved = handle;
} else if (handleType == IpcHandleType::fdHandle) {
// For fdHandle, we store the handle as an int
ipcData.handle.fd = static_cast<int>(handle);
}
}
if (usmPool) {
ipcData.poolOffset = usmPool->getOffsetInPool(addrToPtr(ptrAddress));
ptrAddress = usmPool->getPoolAddress();
}
auto lock = this->driverHandle->lockIPCHandleMap();
ipcHandleIterator = this->driverHandle->getIPCHandleMap().find(handle);
if (ipcHandleIterator != this->driverHandle->getIPCHandleMap().end()) {
ipcHandleIterator->second->refcnt += 1;
} else {
IpcHandleTracking *handleTracking = new IpcHandleTracking;
handleTracking->alloc = graphicsAllocation;
handleTracking->refcnt = 1;
handleTracking->ptr = ptrAddress;
handleTracking->handle = handle;
if constexpr (std::is_same_v<IpcDataT, IpcMemoryData>) {
handleTracking->ipcData = ipcData;
} else {
handleTracking->opaqueData = ipcData;
handleTracking->opaqueIpcHandle = true;
}
this->driverHandle->getIPCHandleMap().insert(std::pair<uint64_t, IpcHandleTracking *>(handle, handleTracking));
}
}
bool isAllocationSuitableForCompression(const StructuresLookupTable &structuresLookupTable, Device &device, size_t allocSize);
size_t getPageAlignedSizeRequired(size_t size, NEO::HeapIndex *heapRequired, size_t *pageSizeRequired) {
return getPageAlignedSizeRequired(nullptr, size, heapRequired, pageSizeRequired);
}
size_t getPageAlignedSizeRequired(const void *pStart, size_t size, NEO::HeapIndex *heapRequired, size_t *pageSizeRequired);
NEO::UsmMemAllocPool *getUsmPoolOwningPtr(const void *ptr, NEO::SvmAllocationData *svmData);
bool tryFreeViaPooling(const void *ptr, NEO::SvmAllocationData *svmData, NEO::UsmMemAllocPool *usmPool);
std::map<uint32_t, ze_device_handle_t> devices;
std::vector<ze_device_handle_t> deviceHandles;
DriverHandleImp *driverHandle = nullptr;
uint32_t numDevices = 0;
ContextExt *contextExt = nullptr;
};
static_assert(NEO::NonCopyableAndNonMovable<ContextImp>);
} // namespace L0
|
