1/* 2 Copyright (c) 2014 Intel Corporation. All Rights Reserved. 3 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions 6 are met: 7 8 * Redistributions of source code must retain the above copyright 9 notice, this list of conditions and the following disclaimer. 10 * Redistributions in binary form must reproduce the above copyright 11 notice, this list of conditions and the following disclaimer in the 12 documentation and/or other materials provided with the distribution. 13 * Neither the name of Intel Corporation nor the names of its 14 contributors may be used to endorse or promote products derived 15 from this software without specific prior written permission. 16 17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*/ 29 30 31// The COI host interface 32 33#include "coi_client.h" 34#include "../offload_common.h" 35 36namespace COI { 37 38#define COI_VERSION1 "COI_1.0" 39#define COI_VERSION2 "COI_2.0" 40 41bool is_available; 42static void* lib_handle; 43 44// pointers to functions from COI library 45COIRESULT (*EngineGetCount)(COI_ISA_TYPE, uint32_t*); 46COIRESULT (*EngineGetHandle)(COI_ISA_TYPE, uint32_t, COIENGINE*); 47 48COIRESULT (*ProcessCreateFromMemory)(COIENGINE, const char*, const void*, 49 uint64_t, int, const char**, uint8_t, 50 const char**, uint8_t, const char*, 51 uint64_t, const char*, const char*, 52 uint64_t, COIPROCESS*); 53COIRESULT (*ProcessDestroy)(COIPROCESS, int32_t, uint8_t, int8_t*, uint32_t*); 54COIRESULT (*ProcessGetFunctionHandles)(COIPROCESS, uint32_t, const char**, 55 COIFUNCTION*); 56COIRESULT (*ProcessLoadLibraryFromMemory)(COIPROCESS, const void*, uint64_t, 57 const char*, const char*, 58 const char*, uint64_t, uint32_t, 59 COILIBRARY*); 60COIRESULT (*ProcessRegisterLibraries)(uint32_t, const void**, const uint64_t*, 61 const char**, const uint64_t*); 62 63COIRESULT (*PipelineCreate)(COIPROCESS, COI_CPU_MASK, uint32_t, COIPIPELINE*); 64COIRESULT (*PipelineDestroy)(COIPIPELINE); 65COIRESULT (*PipelineRunFunction)(COIPIPELINE, COIFUNCTION, uint32_t, 66 const COIBUFFER*, const COI_ACCESS_FLAGS*, 67 uint32_t, const COIEVENT*, const void*, 68 uint16_t, void*, uint16_t, COIEVENT*); 69 70COIRESULT (*BufferCreate)(uint64_t, COI_BUFFER_TYPE, uint32_t, const void*, 71 uint32_t, const COIPROCESS*, COIBUFFER*); 72COIRESULT (*BufferCreateFromMemory)(uint64_t, COI_BUFFER_TYPE, uint32_t, 73 void*, uint32_t, const COIPROCESS*, 74 COIBUFFER*); 75COIRESULT (*BufferDestroy)(COIBUFFER); 76COIRESULT (*BufferMap)(COIBUFFER, uint64_t, uint64_t, COI_MAP_TYPE, uint32_t, 77 const COIEVENT*, COIEVENT*, COIMAPINSTANCE*, void**); 78COIRESULT (*BufferUnmap)(COIMAPINSTANCE, uint32_t, const COIEVENT*, COIEVENT*); 79COIRESULT (*BufferWrite)(COIBUFFER, uint64_t, const void*, uint64_t, 80 COI_COPY_TYPE, uint32_t, const COIEVENT*, COIEVENT*); 81COIRESULT (*BufferRead)(COIBUFFER, uint64_t, void*, uint64_t, COI_COPY_TYPE, 82 uint32_t, const COIEVENT*, COIEVENT*); 83COIRESULT (*BufferCopy)(COIBUFFER, COIBUFFER, uint64_t, uint64_t, uint64_t, 84 COI_COPY_TYPE, uint32_t, const COIEVENT*, COIEVENT*); 85COIRESULT (*BufferGetSinkAddress)(COIBUFFER, uint64_t*); 86COIRESULT (*BufferSetState)(COIBUFFER, COIPROCESS, COI_BUFFER_STATE, 87 COI_BUFFER_MOVE_FLAG, uint32_t, 88 const COIEVENT*, COIEVENT*); 89 90COIRESULT (*EventWait)(uint16_t, const COIEVENT*, int32_t, uint8_t, uint32_t*, 91 uint32_t*); 92 93uint64_t (*PerfGetCycleFrequency)(void); 94 95bool init(void) 96{ 97#ifndef TARGET_WINNT 98 const char *lib_name = "libcoi_host.so.0"; 99#else // TARGET_WINNT 100 const char *lib_name = "coi_host.dll"; 101#endif // TARGET_WINNT 102 103 OFFLOAD_DEBUG_TRACE(2, "Loading COI library %s ...\n", lib_name); 104 lib_handle = DL_open(lib_name); 105 if (lib_handle == 0) { 106 OFFLOAD_DEBUG_TRACE(2, "Failed to load the library\n"); 107 return false; 108 } 109 110 EngineGetCount = 111 (COIRESULT (*)(COI_ISA_TYPE, uint32_t*)) 112 DL_sym(lib_handle, "COIEngineGetCount", COI_VERSION1); 113 if (EngineGetCount == 0) { 114 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 115 "COIEngineGetCount"); 116 fini(); 117 return false; 118 } 119 120 EngineGetHandle = 121 (COIRESULT (*)(COI_ISA_TYPE, uint32_t, COIENGINE*)) 122 DL_sym(lib_handle, "COIEngineGetHandle", COI_VERSION1); 123 if (EngineGetHandle == 0) { 124 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 125 "COIEngineGetHandle"); 126 fini(); 127 return false; 128 } 129 130 ProcessCreateFromMemory = 131 (COIRESULT (*)(COIENGINE, const char*, const void*, uint64_t, int, 132 const char**, uint8_t, const char**, uint8_t, 133 const char*, uint64_t, const char*, const char*, 134 uint64_t, COIPROCESS*)) 135 DL_sym(lib_handle, "COIProcessCreateFromMemory", COI_VERSION1); 136 if (ProcessCreateFromMemory == 0) { 137 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 138 "COIProcessCreateFromMemory"); 139 fini(); 140 return false; 141 } 142 143 ProcessDestroy = 144 (COIRESULT (*)(COIPROCESS, int32_t, uint8_t, int8_t*, 145 uint32_t*)) 146 DL_sym(lib_handle, "COIProcessDestroy", COI_VERSION1); 147 if (ProcessDestroy == 0) { 148 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 149 "COIProcessDestroy"); 150 fini(); 151 return false; 152 } 153 154 ProcessGetFunctionHandles = 155 (COIRESULT (*)(COIPROCESS, uint32_t, const char**, COIFUNCTION*)) 156 DL_sym(lib_handle, "COIProcessGetFunctionHandles", COI_VERSION1); 157 if (ProcessGetFunctionHandles == 0) { 158 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 159 "COIProcessGetFunctionHandles"); 160 fini(); 161 return false; 162 } 163 164 ProcessLoadLibraryFromMemory = 165 (COIRESULT (*)(COIPROCESS, const void*, uint64_t, const char*, 166 const char*, const char*, uint64_t, uint32_t, 167 COILIBRARY*)) 168 DL_sym(lib_handle, "COIProcessLoadLibraryFromMemory", COI_VERSION2); 169 if (ProcessLoadLibraryFromMemory == 0) { 170 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 171 "COIProcessLoadLibraryFromMemory"); 172 fini(); 173 return false; 174 } 175 176 ProcessRegisterLibraries = 177 (COIRESULT (*)(uint32_t, const void**, const uint64_t*, const char**, 178 const uint64_t*)) 179 DL_sym(lib_handle, "COIProcessRegisterLibraries", COI_VERSION1); 180 if (ProcessRegisterLibraries == 0) { 181 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 182 "COIProcessRegisterLibraries"); 183 fini(); 184 return false; 185 } 186 187 PipelineCreate = 188 (COIRESULT (*)(COIPROCESS, COI_CPU_MASK, uint32_t, COIPIPELINE*)) 189 DL_sym(lib_handle, "COIPipelineCreate", COI_VERSION1); 190 if (PipelineCreate == 0) { 191 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 192 "COIPipelineCreate"); 193 fini(); 194 return false; 195 } 196 197 PipelineDestroy = 198 (COIRESULT (*)(COIPIPELINE)) 199 DL_sym(lib_handle, "COIPipelineDestroy", COI_VERSION1); 200 if (PipelineDestroy == 0) { 201 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 202 "COIPipelineDestroy"); 203 fini(); 204 return false; 205 } 206 207 PipelineRunFunction = 208 (COIRESULT (*)(COIPIPELINE, COIFUNCTION, uint32_t, const COIBUFFER*, 209 const COI_ACCESS_FLAGS*, uint32_t, const COIEVENT*, 210 const void*, uint16_t, void*, uint16_t, COIEVENT*)) 211 DL_sym(lib_handle, "COIPipelineRunFunction", COI_VERSION1); 212 if (PipelineRunFunction == 0) { 213 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 214 "COIPipelineRunFunction"); 215 fini(); 216 return false; 217 } 218 219 BufferCreate = 220 (COIRESULT (*)(uint64_t, COI_BUFFER_TYPE, uint32_t, const void*, 221 uint32_t, const COIPROCESS*, COIBUFFER*)) 222 DL_sym(lib_handle, "COIBufferCreate", COI_VERSION1); 223 if (BufferCreate == 0) { 224 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 225 "COIBufferCreate"); 226 fini(); 227 return false; 228 } 229 230 BufferCreateFromMemory = 231 (COIRESULT (*)(uint64_t, COI_BUFFER_TYPE, uint32_t, void*, 232 uint32_t, const COIPROCESS*, COIBUFFER*)) 233 DL_sym(lib_handle, "COIBufferCreateFromMemory", COI_VERSION1); 234 if (BufferCreateFromMemory == 0) { 235 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 236 "COIBufferCreateFromMemory"); 237 fini(); 238 return false; 239 } 240 241 BufferDestroy = 242 (COIRESULT (*)(COIBUFFER)) 243 DL_sym(lib_handle, "COIBufferDestroy", COI_VERSION1); 244 if (BufferDestroy == 0) { 245 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 246 "COIBufferDestroy"); 247 fini(); 248 return false; 249 } 250 251 BufferMap = 252 (COIRESULT (*)(COIBUFFER, uint64_t, uint64_t, COI_MAP_TYPE, uint32_t, 253 const COIEVENT*, COIEVENT*, COIMAPINSTANCE*, 254 void**)) 255 DL_sym(lib_handle, "COIBufferMap", COI_VERSION1); 256 if (BufferMap == 0) { 257 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 258 "COIBufferMap"); 259 fini(); 260 return false; 261 } 262 263 BufferUnmap = 264 (COIRESULT (*)(COIMAPINSTANCE, uint32_t, const COIEVENT*, 265 COIEVENT*)) 266 DL_sym(lib_handle, "COIBufferUnmap", COI_VERSION1); 267 if (BufferUnmap == 0) { 268 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 269 "COIBufferUnmap"); 270 fini(); 271 return false; 272 } 273 274 BufferWrite = 275 (COIRESULT (*)(COIBUFFER, uint64_t, const void*, uint64_t, 276 COI_COPY_TYPE, uint32_t, const COIEVENT*, 277 COIEVENT*)) 278 DL_sym(lib_handle, "COIBufferWrite", COI_VERSION1); 279 if (BufferWrite == 0) { 280 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 281 "COIBufferWrite"); 282 fini(); 283 return false; 284 } 285 286 BufferRead = 287 (COIRESULT (*)(COIBUFFER, uint64_t, void*, uint64_t, 288 COI_COPY_TYPE, uint32_t, 289 const COIEVENT*, COIEVENT*)) 290 DL_sym(lib_handle, "COIBufferRead", COI_VERSION1); 291 if (BufferRead == 0) { 292 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 293 "COIBufferRead"); 294 fini(); 295 return false; 296 } 297 298 BufferCopy = 299 (COIRESULT (*)(COIBUFFER, COIBUFFER, uint64_t, uint64_t, uint64_t, 300 COI_COPY_TYPE, uint32_t, const COIEVENT*, 301 COIEVENT*)) 302 DL_sym(lib_handle, "COIBufferCopy", COI_VERSION1); 303 if (BufferCopy == 0) { 304 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 305 "COIBufferCopy"); 306 fini(); 307 return false; 308 } 309 310 BufferGetSinkAddress = 311 (COIRESULT (*)(COIBUFFER, uint64_t*)) 312 DL_sym(lib_handle, "COIBufferGetSinkAddress", COI_VERSION1); 313 if (BufferGetSinkAddress == 0) { 314 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 315 "COIBufferGetSinkAddress"); 316 fini(); 317 return false; 318 } 319 320 BufferSetState = 321 (COIRESULT(*)(COIBUFFER, COIPROCESS, COI_BUFFER_STATE, 322 COI_BUFFER_MOVE_FLAG, uint32_t, const COIEVENT*, 323 COIEVENT*)) 324 DL_sym(lib_handle, "COIBufferSetState", COI_VERSION1); 325 if (BufferSetState == 0) { 326 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 327 "COIBufferSetState"); 328 fini(); 329 return false; 330 } 331 332 EventWait = 333 (COIRESULT (*)(uint16_t, const COIEVENT*, int32_t, uint8_t, 334 uint32_t*, uint32_t*)) 335 DL_sym(lib_handle, "COIEventWait", COI_VERSION1); 336 if (EventWait == 0) { 337 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 338 "COIEventWait"); 339 fini(); 340 return false; 341 } 342 343 PerfGetCycleFrequency = 344 (uint64_t (*)(void)) 345 DL_sym(lib_handle, "COIPerfGetCycleFrequency", COI_VERSION1); 346 if (PerfGetCycleFrequency == 0) { 347 OFFLOAD_DEBUG_TRACE(2, "Failed to find %s in COI library\n", 348 "COIPerfGetCycleFrequency"); 349 fini(); 350 return false; 351 } 352 353 is_available = true; 354 355 return true; 356} 357 358void fini(void) 359{ 360 is_available = false; 361 362 if (lib_handle != 0) { 363#ifndef TARGET_WINNT 364 DL_close(lib_handle); 365#endif // TARGET_WINNT 366 lib_handle = 0; 367 } 368} 369 370} // namespace COI 371