Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/qat/qat_api/common/include/lac_sal.h
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1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* Copyright(c) 2007-2022 Intel Corporation */ 3 /* $FreeBSD$ */ 4 /** 5 ***************************************************************************** 6 * @file lac_sal.h 7 * 8 * @defgroup SalCtrl Service Access Layer Controller 9 * 10 * @ingroup SalCtrl 11 * 12 * @description 13 * These functions are the functions to be executed for each state 14 * of the state machine for each service. 15 * 16 *****************************************************************************/ 17 18 #ifndef LAC_SAL_H 19 #define LAC_SAL_H 20 21 #include "cpa_cy_im.h" 22 23 /** 24 ******************************************************************************* 25 * @ingroup SalCtrl 26 * @description 27 * This function allocates memory for a specific instance type. 28 * Zeros this memory and sets the generic service section of 29 * the instance memory. 30 * 31 * @context 32 * This function is called from the generic services init. 33 * 34 * @assumptions 35 * None 36 * @sideEffects 37 * None 38 * @reentrant 39 * No 40 * @threadSafe 41 * Yes 42 * 43 * @param[in] service The type of the service to be created 44 * (e.g. CRYPTO) 45 * @param[in] instance_num The logical instance number which will 46 * run the service 47 * @param[out] pObj Pointer to specific service instance memory 48 * @retVal CPA_STATUS_SUCCESS Instance memory successfully allocated 49 * @retVal CPA_STATUS_RESOURCE Instance memory not successfully allocated 50 * @retVal CPA_STATUS_FAIL Unsupported service type 51 * 52 *****************************************************************************/ 53 CpaStatus SalCtrl_ServiceCreate(sal_service_type_t service, 54 Cpa32U instance_num, 55 sal_service_t **pObj); 56 57 /****************************************************************************** 58 * @ingroup SalCtl 59 * @description 60 * This macro goes through the 'list' passed in as a parameter. For each 61 * element found in the list, it peforms a cast to the type of the element 62 * given by the 'type' parameter. Finally, it calls the function given by 63 * the 'function' parameter, passing itself and the device as parameters. 64 * 65 * In case of error (i.e. 'function' does not return _SUCCESS or _RETRY) 66 * processing of the 'list' elements will stop and the status_ret will be 67 * updated. 68 * 69 * In case of _RETRY status_ret will be updated but the 'list' 70 * will continue to be processed. _RETRY is only expected when 71 * 'function' is stop. 72 * 73 * @context 74 * This macro is used by both the service and qat event handlers. 75 * 76 * @assumptions 77 * None 78 * @sideEffects 79 * None 80 * 81 * @param[in] list The list of services or qats as a type of list_t 82 * @param[in] type It identifies the type of the object inside the 83 * list: service or qat 84 * @param[in] device The ADF accelerator handle for the device 85 * @param[in] function The function pointer to call 86 * @param[in/out] status_ret If an error occurred (i.e. status returned from 87 * function is not _SUCCESS) then status_ret is 88 * overwritten with status returned from function. 89 * 90 *****************************************************************************/ 91 #define SAL_FOR_EACH(list, type, device, function, status_ret) \ 92 do { \ 93 sal_list_t *curr_element = list; \ 94 CpaStatus status_temp = CPA_STATUS_SUCCESS; \ 95 typeof(type) *process = NULL; \ 96 while (NULL != curr_element) { \ 97 process = \ 98 (typeof(type) *)SalList_getObject(curr_element); \ 99 status_temp = process->function(device, process); \ 100 if ((CPA_STATUS_SUCCESS != status_temp) && \ 101 (CPA_STATUS_RETRY != status_temp)) { \ 102 status_ret = status_temp; \ 103 break; \ 104 } else { \ 105 if (CPA_STATUS_RETRY == status_temp) { \ 106 status_ret = status_temp; \ 107 } \ 108 } \ 109 curr_element = SalList_next(curr_element); \ 110 } \ 111 } while (0) 112 113 /** 114 ******************************************************************************* 115 * @ingroup SalCtl 116 * @description 117 * This macro goes through the 'list' passed in as a parameter. For each 118 * element found in the list, it peforms a cast to the type of the element 119 * given by the 'type' parameter. Finally, it checks the state of the 120 * element and if it is in state 'state_check' then it calls the 121 * function given by the 'function' parameter, passing itself 122 * and the device as parameters. 123 * If the element is not in 'state_check' it returns from the macro. 124 * 125 * In case of error (i.e. 'function' does not return _SUCCESS) 126 * processing of the 'list' elements will continue. 127 * 128 * @context 129 * This macro is used by both the service and qat event handlers. 130 * 131 * @assumptions 132 * None 133 * @sideEffects 134 * None 135 * 136 * @param[in] list The list of services or qats as a type of list_t 137 * @param[in] type It identifies the type of the object 138 * inside the list: service or qat 139 * @param[in] device The ADF accelerator handle for the device 140 * @param[in] function The function pointer to call 141 * @param[in] state_check The state to check for 142 * 143 *****************************************************************************/ 144 #define SAL_FOR_EACH_STATE(list, type, device, function, state_check) \ 145 do { \ 146 sal_list_t *curr_element = list; \ 147 typeof(type) *process = NULL; \ 148 while (NULL != curr_element) { \ 149 process = \ 150 (typeof(type) *)SalList_getObject(curr_element); \ 151 if (process->state == state_check) { \ 152 process->function(device, process); \ 153 } else { \ 154 break; \ 155 } \ 156 curr_element = SalList_next(curr_element); \ 157 } \ 158 } while (0) 159 160 /************************************************************************* 161 * @ingroup SalCtrl 162 * @description 163 * This function is used to initialize an instance of crypto service. 164 * It creates a crypto instance's memory pools. It calls ADF to create 165 * its required transport handles. It calls the sub crypto service init 166 * functions. Resets the stats. 167 * 168 * @context 169 * This function is called from the SalCtrl_ServiceEventInit function. 170 * 171 * @assumptions 172 * None 173 * @sideEffects 174 * None 175 * @reentrant 176 * No 177 * @threadSafe 178 * No (ADF ensures that this function doesn't need to be thread safe) 179 * 180 * @param[in] device An icp_accel_dev_t* type 181 * @param[in] service A crypto instance 182 * 183 *************************************************************************/ 184 CpaStatus SalCtrl_CryptoInit(icp_accel_dev_t *device, sal_service_t *service); 185 186 /************************************************************************* 187 * @ingroup SalCtrl 188 * @description 189 * This function is used to start an instance of crypto service. 190 * It sends the first messages to FW on its crypto instance transport 191 * handles. For asymmetric crypto it verifies the header on the downloaded 192 * MMP library. 193 * 194 * @context 195 * This function is called from the SalCtrl_ServiceEventStart function. 196 * 197 * @assumptions 198 * None 199 * @sideEffects 200 * None 201 * @reentrant 202 * No 203 * @threadSafe 204 * No (ADF ensures that this function doesn't need to be thread safe) 205 * 206 * @param[in] device An icp_accel_dev_t* type 207 * @param[in] service A crypto instance 208 * 209 *************************************************************************/ 210 CpaStatus SalCtrl_CryptoStart(icp_accel_dev_t *device, sal_service_t *service); 211 212 /************************************************************************* 213 * @ingroup SalCtrl 214 * @description 215 * This function is used to stop an instance of crypto service. 216 * It checks for inflight messages to the FW. If no messages are pending 217 * it returns success. If messages are pending it returns retry. 218 * 219 * @context 220 * This function is called from the SalCtrl_ServiceEventStop function. 221 * 222 * @assumptions 223 * None 224 * @sideEffects 225 * None 226 * @reentrant 227 * No 228 * @threadSafe 229 * No (ADF ensures that this function doesn't need to be thread safe) 230 * 231 * @param[in] device An icp_accel_dev_t* type 232 * @param[in] service A crypto instance 233 * 234 *************************************************************************/ 235 CpaStatus SalCtrl_CryptoStop(icp_accel_dev_t *device, sal_service_t *service); 236 237 /************************************************************************* 238 * @ingroup SalCtrl 239 * @description 240 * This function is used to shutdown an instance of crypto service. 241 * It frees resources allocated at initialisation - e.g. frees the 242 * memory pools and ADF transport handles. 243 * 244 * @context 245 * This function is called from the SalCtrl_ServiceEventShutdown function. 246 * 247 * @assumptions 248 * None 249 * @sideEffects 250 * None 251 * @reentrant 252 * No 253 * @threadSafe 254 * No (ADF ensures that this function doesn't need to be thread safe) 255 * 256 * @param[in] device An icp_accel_dev_t* type 257 * @param[in] service A crypto instance 258 * 259 *************************************************************************/ 260 CpaStatus SalCtrl_CryptoShutdown(icp_accel_dev_t *device, 261 sal_service_t *service); 262 263 /************************************************************************* 264 * @ingroup SalCtrl 265 * @description 266 * This function sets the capability info of crypto instances. 267 * 268 * @context 269 * This function is called from the cpaCyQueryCapabilities and 270 * LacSymSession_ParamCheck function. 271 * 272 * @assumptions 273 * None 274 * @sideEffects 275 * None 276 * @reentrant 277 * No 278 * @threadSafe 279 * No (ADF ensures that this function doesn't need to be thread safe) 280 * 281 * @param[in] service A sal_service_t* type 282 * @param[in] cyCapabilityInfo A CpaCyCapabilitiesInfo* type 283 * 284 *************************************************************************/ 285 void SalCtrl_CyQueryCapabilities(sal_service_t *pGenericService, 286 CpaCyCapabilitiesInfo *pCapInfo); 287 288 /************************************************************************* 289 * @ingroup SalCtrl 290 * @description 291 * This function is used to initialize an instance of compression service. 292 * It creates a compression instance's memory pools. It calls ADF to create 293 * its required transport handles. It zeros an instances stats. 294 * 295 * @context 296 * This function is called from the SalCtrl_ServiceEventInit function. 297 * 298 * @assumptions 299 * None 300 * @sideEffects 301 * None 302 * @reentrant 303 * No 304 * @threadSafe 305 * No (ADF ensures that this function doesn't need to be thread safe) 306 * 307 * @param[in] device An icp_accel_dev_t* type 308 * @param[in] service A compression instance 309 * 310 *************************************************************************/ 311 312 CpaStatus SalCtrl_CompressionInit(icp_accel_dev_t *device, 313 sal_service_t *service); 314 315 /************************************************************************* 316 * @ingroup SalCtrl 317 * @description 318 * This function is used to start an instance of compression service. 319 * 320 * @context 321 * This function is called from the SalCtrl_ServiceEventStart function. 322 * 323 * @assumptions 324 * None 325 * @sideEffects 326 * None 327 * @reentrant 328 * No 329 * @threadSafe 330 * No (ADF ensures that this function doesn't need to be thread safe) 331 * 332 * @param[in] device An icp_accel_dev_t* type 333 * @param[in] service A compression instance 334 * 335 *************************************************************************/ 336 337 CpaStatus SalCtrl_CompressionStart(icp_accel_dev_t *device, 338 sal_service_t *service); 339 340 /************************************************************************* 341 * @ingroup SalCtrl 342 * @description 343 * This function is used to stop an instance of compression service. 344 * It checks for inflight messages to the FW. If no messages are pending 345 * it returns success. If messages are pending it returns retry. 346 * 347 * @context 348 * This function is called from the SalCtrl_ServiceEventStop function. 349 * 350 * @assumptions 351 * None 352 * @sideEffects 353 * None 354 * @reentrant 355 * No 356 * @threadSafe 357 * No (ADF ensures that this function doesn't need to be thread safe) 358 * 359 * @param[in] device An icp_accel_dev_t* type 360 * @param[in] service A compression instance 361 * 362 *************************************************************************/ 363 364 CpaStatus SalCtrl_CompressionStop(icp_accel_dev_t *device, 365 sal_service_t *service); 366 367 /************************************************************************* 368 * @ingroup SalCtrl 369 * @description 370 * This function is used to shutdown an instance of compression service. 371 * It frees resources allocated at initialisation - e.g. frees the 372 * memory pools and ADF transport handles. 373 * 374 * @context 375 * This function is called from the SalCtrl_ServiceEventShutdown function. 376 * 377 * @assumptions 378 * None 379 * @sideEffects 380 * None 381 * @reentrant 382 * No 383 * @threadSafe 384 * No (ADF ensures that this function doesn't need to be thread safe) 385 * 386 * @param[in] device An icp_accel_dev_t* type 387 * @param[in] service A compression instance 388 * 389 *************************************************************************/ 390 391 CpaStatus SalCtrl_CompressionShutdown(icp_accel_dev_t *device, 392 sal_service_t *service); 393 394 /************************************************************************* 395 * @ingroup SalCtrl 396 * @description 397 * This function is used to get the number of services enabled 398 * from the config table. 399 * 400 * @context 401 * This function is called from the SalCtrl_QatInit 402 * 403 * @assumptions 404 * None 405 * @sideEffects 406 * None 407 * @reentrant 408 * No 409 * @threadSafe 410 * No 411 * 412 * param[in] device An icp_accel_dev_t* type 413 * param[in] pEnabledServices pointer to a variable used to store 414 * the enabled services 415 * 416 *************************************************************************/ 417 418 CpaStatus SalCtrl_GetEnabledServices(icp_accel_dev_t *device, 419 Cpa32U *pEnabledServices); 420 421 /************************************************************************* 422 * @ingroup SalCtrl 423 * @description 424 * This function is used to check if a service is enabled 425 * 426 * @context 427 * This function is called from the SalCtrl_QatInit 428 * 429 * @assumptions 430 * None 431 * @sideEffects 432 * None 433 * @reentrant 434 * No 435 * @threadSafe 436 * Yes 437 * 438 * param[in] enabled_services 439 * param[in] service 440 * 441 *************************************************************************/ 442 443 CpaBoolean SalCtrl_IsServiceEnabled(Cpa32U enabled_services, 444 sal_service_type_t service); 445 446 /************************************************************************* 447 * @ingroup SalCtrl 448 * @description 449 * This function is used to check if a service is supported on the device 450 * The key difference between this and SalCtrl_GetSupportedServices() is 451 * that the latter treats it as an error if the service is unsupported. 452 * 453 * @context 454 * This can be called anywhere. 455 * 456 * @assumptions 457 * None 458 * @sideEffects 459 * None 460 * @reentrant 461 * No 462 * @threadSafe 463 * Yes 464 * 465 * param[in] device 466 * param[in] service service or services to check 467 * 468 *************************************************************************/ 469 CpaBoolean SalCtrl_IsServiceSupported(icp_accel_dev_t *device, 470 sal_service_type_t service); 471 472 /************************************************************************* 473 * @ingroup SalCtrl 474 * @description 475 * This function is used to check whether enabled services has associated 476 * hardware capability support 477 * 478 * @context 479 * This functions is called from the SalCtrl_ServiceEventInit function. 480 * 481 * @assumptions 482 * None 483 * @sideEffects 484 * None 485 * @reentrant 486 * No 487 * @threadSafe 488 * Yes 489 * 490 * param[in] device A pointer to an icp_accel_dev_t 491 * param[in] enabled_services It is the bitmask for the enabled services 492 *************************************************************************/ 493 494 CpaStatus SalCtrl_GetSupportedServices(icp_accel_dev_t *device, 495 Cpa32U enabled_services); 496 497 #endif
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