scif_sas_task_request.c revision 330897
1/*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 4 * This file is provided under a dual BSD/GPLv2 license. When using or 5 * redistributing this file, you may do so under either license. 6 * 7 * GPL LICENSE SUMMARY 8 * 9 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of version 2 of the GNU General Public License as 13 * published by the Free Software Foundation. 14 * 15 * This program is distributed in the hope that it will be useful, but 16 * WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 23 * The full GNU General Public License is included in this distribution 24 * in the file called LICENSE.GPL. 25 * 26 * BSD LICENSE 27 * 28 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 29 * All rights reserved. 30 * 31 * Redistribution and use in source and binary forms, with or without 32 * modification, are permitted provided that the following conditions 33 * are met: 34 * 35 * * Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * * Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in 39 * the documentation and/or other materials provided with the 40 * distribution. 41 * 42 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 43 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 44 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 45 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 46 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 47 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 48 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53 */ 54 55#include <sys/cdefs.h> 56__FBSDID("$FreeBSD: stable/11/sys/dev/isci/scil/scif_sas_task_request.c 330897 2018-03-14 03:19:51Z eadler $"); 57 58/** 59 * @file 60 * 61 * @brief This file contains the task management request object 62 * (SCIF_SAS_TASK_REQUEST) method implementations. 63 */ 64 65 66#include <dev/isci/scil/intel_sas.h> 67 68#include <dev/isci/scil/scic_task_request.h> 69#include <dev/isci/scil/scic_remote_device.h> 70#include <dev/isci/scil/scic_user_callback.h> 71#include <dev/isci/scil/scic_controller.h> 72#include <dev/isci/scil/scif_user_callback.h> 73 74#include <dev/isci/scil/scif_sas_request.h> 75#include <dev/isci/scil/scif_sas_task_request.h> 76#include <dev/isci/scil/scif_sas_stp_task_request.h> 77#include <dev/isci/scil/scif_sas_logger.h> 78#include <dev/isci/scil/scif_sas_controller.h> 79#include <dev/isci/scil/scif_sas_domain.h> 80#include <dev/isci/scil/scif_sas_remote_device.h> 81#include <dev/isci/scil/scif_sas_smp_io_request.h> 82 83//****************************************************************************** 84//* P U B L I C M E T H O D S 85//****************************************************************************** 86 87U32 scif_task_request_get_object_size( 88 void 89) 90{ 91 return (sizeof(SCIF_SAS_TASK_REQUEST_T) + scic_task_request_get_object_size()); 92} 93 94// --------------------------------------------------------------------------- 95 96U8 scif_sas_task_request_get_function( 97 SCIF_SAS_TASK_REQUEST_T *fw_task 98) 99{ 100 return fw_task->function; 101} 102 103// --------------------------------------------------------------------------- 104 105static 106SCI_STATUS scif_sas_task_request_generic_construct( 107 SCI_CONTROLLER_HANDLE_T scif_controller, 108 SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device, 109 U16 io_tag, 110 void * user_task_request_object, 111 void * task_request_memory, 112 SCI_TASK_REQUEST_HANDLE_T * scif_task_request, 113 U8 task_function 114) 115{ 116 SCI_STATUS status; 117 SCIF_SAS_CONTROLLER_T * fw_controller = (SCIF_SAS_CONTROLLER_T*) 118 scif_controller; 119 SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) 120 task_request_memory; 121 SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T*) 122 scif_remote_device; 123 U8 * core_request_memory; 124 125 SCIF_LOG_TRACE(( 126 sci_base_object_get_logger(fw_controller), 127 SCIF_LOG_OBJECT_TASK_MANAGEMENT, 128 "scif_task_request_construct(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x) enter\n", 129 scif_controller, scif_remote_device, io_tag, user_task_request_object, 130 task_request_memory, scif_task_request 131 )); 132 133 // Initialize the user's handle to the framework task request. 134 *scif_task_request = fw_task; 135 136 // initialize affected request count 137 fw_task->affected_request_count = 0; 138 fw_task->io_tag_to_manage = SCI_CONTROLLER_INVALID_IO_TAG; 139 fw_task->function = task_function; 140 141 if (task_function == SCI_SAS_HARD_RESET ) 142 { 143 if (fw_device->containing_device != NULL ) 144 {// Target Reset is for an expander attached device, 145 // go down to construct smp Phy Control request. 146 scif_sas_smp_request_construct_phy_control( 147 fw_controller, 148 fw_device->containing_device, 149 PHY_OPERATION_HARD_RESET, 150 fw_device->expander_phy_identifier, 151 user_task_request_object, 152 task_request_memory 153 ); 154 } 155 else 156 { 157 scif_sas_request_construct( 158 &fw_task->parent, 159 fw_device, 160 sci_base_object_get_logger(fw_controller), 161 scif_sas_task_request_state_table 162 ); 163 164 // If target reset is for a DA device, don't build task at all. 165 // Just set object association. 166 sci_object_set_association(fw_task, user_task_request_object); 167 } 168 169 return SCI_SUCCESS; 170 } 171 172 // Construct the parent object first in order to ensure logging can 173 // function. 174 scif_sas_request_construct( 175 &fw_task->parent, 176 fw_device, 177 sci_base_object_get_logger(fw_controller), 178 scif_sas_task_request_state_table 179 ); 180 181 core_request_memory = (U8 *)task_request_memory + sizeof(SCIF_SAS_TASK_REQUEST_T); 182 183 status = scic_task_request_construct( 184 fw_controller->core_object, 185 fw_device->core_object, 186 io_tag, 187 fw_task, 188 core_request_memory, 189 &fw_task->parent.core_object 190 ); 191 192 if (status == SCI_SUCCESS) 193 { 194 SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols; 195 196 // These associations must be set early for the core io request 197 // object construction to complete correctly as there will be 198 // callbacks into the user driver framework during core construction 199 sci_object_set_association(fw_task, user_task_request_object); 200 sci_object_set_association(fw_task->parent.core_object, fw_task); 201 202 // Perform protocol specific core IO request construction. 203 scic_remote_device_get_protocols(fw_device->core_object, &dev_protocols); 204 if (dev_protocols.u.bits.attached_ssp_target) 205 status = scic_task_request_construct_ssp(fw_task->parent.core_object); 206 else if (dev_protocols.u.bits.attached_stp_target) 207 status = scif_sas_stp_task_request_construct(fw_task); 208 else 209 status = SCI_FAILURE_UNSUPPORTED_PROTOCOL; 210 211 if (status == SCI_SUCCESS) 212 { 213 sci_base_state_machine_logger_initialize( 214 &fw_task->parent.parent.state_machine_logger, 215 &fw_task->parent.parent.state_machine, 216 &fw_task->parent.parent.parent, 217 scif_cb_logger_log_states, 218 "SCIF_SAS_TASK_REQUEST_T", "base_state_machine", 219 SCIF_LOG_OBJECT_TASK_MANAGEMENT 220 ); 221 } 222 else 223 { 224 SCIF_LOG_WARNING(( 225 sci_base_object_get_logger(fw_task), 226 SCIF_LOG_OBJECT_TASK_MANAGEMENT, 227 "Device:0x%x TaskRequest:0x%x Function:0x%x construct failed\n", 228 fw_device, fw_task, scif_sas_task_request_get_function(fw_task) 229 )); 230 } 231 } 232 233 return status; 234} 235 236// --------------------------------------------------------------------------- 237 238SCI_STATUS scif_sas_internal_task_request_construct( 239 SCI_CONTROLLER_HANDLE_T scif_controller, 240 SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device, 241 U16 io_tag, 242 void * task_request_memory, 243 SCI_TASK_REQUEST_HANDLE_T * scif_task_request, 244 U8 task_function 245) 246{ 247 SCI_STATUS status; 248 SCIF_SAS_TASK_REQUEST_T * fw_task; 249 250 status = scif_sas_task_request_generic_construct( 251 scif_controller, 252 scif_remote_device, 253 io_tag, 254 NULL, 255 task_request_memory, 256 scif_task_request, 257 task_function 258 ); 259 260 fw_task = (SCIF_SAS_TASK_REQUEST_T *)task_request_memory; 261 262 fw_task->parent.is_internal = TRUE; 263 264 return status; 265} 266 267// --------------------------------------------------------------------------- 268 269SCI_STATUS scif_task_request_construct( 270 SCI_CONTROLLER_HANDLE_T scif_controller, 271 SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device, 272 U16 io_tag, 273 void * user_task_request_object, 274 void * task_request_memory, 275 SCI_TASK_REQUEST_HANDLE_T * scif_task_request 276) 277{ 278 SCI_STATUS status; 279 U8 task_function = 280 scif_cb_task_request_get_function(user_task_request_object); 281 282 status = scif_sas_task_request_generic_construct( 283 scif_controller, 284 scif_remote_device, 285 io_tag, 286 user_task_request_object, 287 task_request_memory, 288 scif_task_request, 289 task_function 290 ); 291 292 return status; 293} 294 295// --------------------------------------------------------------------------- 296 297void scif_sas_internal_task_request_destruct( 298 SCIF_SAS_TASK_REQUEST_T * fw_internal_task 299) 300{ 301 SCIF_SAS_CONTROLLER_T * fw_controller = 302 fw_internal_task->parent.device->domain->controller; 303 scif_sas_controller_free_internal_request(fw_controller, fw_internal_task); 304} 305 306// --------------------------------------------------------------------------- 307 308void scic_cb_task_request_complete( 309 SCI_CONTROLLER_HANDLE_T controller, 310 SCI_REMOTE_DEVICE_HANDLE_T remote_device, 311 SCI_TASK_REQUEST_HANDLE_T task_request, 312 SCI_TASK_STATUS completion_status 313) 314{ 315 SCIF_SAS_CONTROLLER_T * fw_controller = (SCIF_SAS_CONTROLLER_T*) 316 sci_object_get_association(controller); 317 SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T*) 318 sci_object_get_association(remote_device); 319 SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) 320 sci_object_get_association(task_request); 321 SCI_STATUS status; 322 323 SCIF_LOG_TRACE(( 324 sci_base_object_get_logger(fw_controller), 325 SCIF_LOG_OBJECT_TASK_MANAGEMENT, 326 "scic_cb_task_request_complete(0x%x, 0x%x, 0x%x, 0x%x) enter\n", 327 controller, remote_device, task_request, completion_status 328 )); 329 330 status = fw_task->parent.state_handlers->complete_handler( 331 &fw_task->parent.parent 332 ); 333 334 if (status == SCI_SUCCESS) 335 { 336 if (fw_task->parent.protocol_complete_handler != NULL) 337 { 338 status = fw_task->parent.protocol_complete_handler( 339 fw_controller, fw_device, &fw_task->parent, (SCI_STATUS *)&completion_status 340 ); 341 } 342 343 if (status == SCI_SUCCESS) 344 { 345 SCIF_LOG_WARNING(( 346 sci_base_object_get_logger(fw_task), 347 SCIF_LOG_OBJECT_TASK_MANAGEMENT, 348 "RemoteDevice:0x%x TaskRequest:0x%x Function:0x%x CompletionStatus:0x%x " 349 "completed\n", 350 fw_device, fw_task, 351 scif_sas_task_request_get_function(fw_task), 352 completion_status 353 )); 354 355 // If this isn't an internal framework IO request, then simply pass the 356 // notification up to the SCIF user. Otherwise, immediately complete the 357 // task since there is no SCIF user to notify. 358 if (fw_task->parent.is_internal == FALSE) 359 { 360 scif_cb_task_request_complete( 361 fw_controller, fw_device, fw_task, completion_status 362 ); 363 } 364 else 365 { 366 scif_controller_complete_task( 367 fw_controller, 368 fw_device, 369 fw_task 370 ); 371 } 372 } 373 } 374} 375 376// --------------------------------------------------------------------------- 377 378U32 scic_cb_ssp_task_request_get_lun( 379 void * scic_user_task_request 380) 381{ 382 SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) 383 scic_user_task_request; 384 385 fw_task->parent.lun = scif_cb_task_request_get_lun( 386 fw_task->parent.parent.parent.associated_object 387 ); 388 389 return fw_task->parent.lun; 390} 391 392// --------------------------------------------------------------------------- 393 394U8 scic_cb_ssp_task_request_get_function( 395 void * scic_user_task_request 396) 397{ 398 SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) 399 scic_user_task_request; 400 401 return scif_sas_task_request_get_function(fw_task); 402} 403 404// --------------------------------------------------------------------------- 405 406U16 scic_cb_ssp_task_request_get_io_tag_to_manage( 407 void * scic_user_task_request 408) 409{ 410 SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) 411 scic_user_task_request; 412 413 fw_task->io_tag_to_manage 414 = scif_cb_task_request_get_io_tag_to_manage( 415 fw_task->parent.parent.parent.associated_object 416 ); 417 418 return fw_task->io_tag_to_manage; 419} 420 421// --------------------------------------------------------------------------- 422 423void * scic_cb_ssp_task_request_get_response_data_address( 424 void * scic_user_task_request 425) 426{ 427 SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) 428 scic_user_task_request; 429 430 return scif_cb_task_request_get_response_data_address( 431 fw_task->parent.parent.parent.associated_object 432 ); 433} 434 435// --------------------------------------------------------------------------- 436 437U32 scic_cb_ssp_task_request_get_response_data_length( 438 void * scic_user_task_request 439) 440{ 441 SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) 442 scic_user_task_request; 443 444 return scif_cb_task_request_get_response_data_length( 445 fw_task->parent.parent.parent.associated_object 446 ); 447} 448 449//****************************************************************************** 450//* P R O T E C T E D M E T H O D S 451//****************************************************************************** 452 453/** 454 * @brief This method performs functionality required after a task management 455 * operation (either a task management request or a silicon task 456 * termination) has finished. 457 * 458 * @param[in] fw_task This parameter specifies the request that has 459 * the operation completing. 460 * 461 * @return none 462 */ 463void scif_sas_task_request_operation_complete( 464 SCIF_SAS_TASK_REQUEST_T * fw_task 465) 466{ 467 SCIF_LOG_TRACE(( 468 sci_base_object_get_logger(fw_task), 469 SCIF_LOG_OBJECT_TASK_MANAGEMENT, 470 "scif_sas_task_request_operation_complete(0x%x) enter\n", 471 fw_task 472 )); 473 474 fw_task->affected_request_count--; 475 476 SCIF_LOG_INFO(( 477 sci_base_object_get_logger(fw_task), 478 SCIF_LOG_OBJECT_TASK_MANAGEMENT, 479 "TaskRequest:0x%x current affected request count:0x%x\n", 480 fw_task, fw_task->affected_request_count 481 )); 482} 483 484