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("$FreeBSD$"); 57 58/** 59 * @file 60 * 61 * @brief This file contains the implementation of the 62 * SCIF_SAS_INTERNAL_IO_REQUEST object. 63 */ 64 65 66#include <dev/isci/scil/scic_io_request.h> 67#include <dev/isci/scil/scic_remote_device.h> 68#include <dev/isci/scil/scic_user_callback.h> 69#include <dev/isci/scil/scic_controller.h> 70#include <dev/isci/scil/scic_task_request.h> 71#include <dev/isci/scil/scif_user_callback.h> 72 73#include <dev/isci/scil/scif_sas_controller.h> 74#include <dev/isci/scil/scif_sas_domain.h> 75#include <dev/isci/scil/scif_sas_remote_device.h> 76#include <dev/isci/scil/scif_sas_io_request.h> 77#include <dev/isci/scil/scif_sas_internal_io_request.h> 78#include <dev/isci/scil/scif_sas_task_request.h> 79#include <dev/isci/scil/scif_sas_stp_io_request.h> 80#include <dev/isci/scil/scif_sas_logger.h> 81#include <dev/isci/scil/scif_sas_smp_io_request.h> 82#include <dev/isci/scil/sci_util.h> 83 84//****************************************************************************** 85//* P U B L I C M E T H O D S 86//****************************************************************************** 87 88/** 89 * @brief this routine return all memory needed for an internal request, both 90 * framework and core request. 91 * 92 * @return U32 size of all memory needed for an internal request 93 */ 94U32 scif_sas_internal_request_get_object_size( 95 void 96) 97{ 98 return MAX( 99 (sizeof(SCIF_SAS_INTERNAL_IO_REQUEST_T) + scic_io_request_get_object_size()), 100 (sizeof(SCIF_SAS_TASK_REQUEST_T) + scic_task_request_get_object_size()) 101 ); 102} 103 104 105/** 106 * @brief This method constructs an internal smp request. 107 * 108 * @param[in] fw_controller The framework controller 109 * @param[in] fw_device The smp device that the internal io targets to. 110 * @param[in] internal_io_memory The memory space for the internal io. 111 * @param[in] io_tag The io tag for the internl io to be constructed. 112 * @param[in] smp_command A pointer to the smp request data structure according 113 * to SAS protocol. 114 * 115 * @return Indicate if the internal io was successfully constructed. 116 * @retval SCI_SUCCESS This value is returned if the internal io was 117 * successfully constructed. 118 * @retval SCI_FAILURE This value is returned if the internal io was failed to 119 * be constructed. 120 */ 121SCI_STATUS scif_sas_internal_io_request_construct_smp( 122 SCIF_SAS_CONTROLLER_T * fw_controller, 123 SCIF_SAS_REMOTE_DEVICE_T * fw_device, 124 void * internal_io_memory, 125 U16 io_tag, 126 SMP_REQUEST_T * smp_command 127) 128{ 129 SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_internal_io = 130 (SCIF_SAS_INTERNAL_IO_REQUEST_T*)internal_io_memory; 131 132 SCIF_SAS_IO_REQUEST_T * fw_io = 133 (SCIF_SAS_IO_REQUEST_T*)internal_io_memory; 134 135 SCI_STATUS status; 136 137 //call common smp request construct routine. 138 status = scif_sas_io_request_construct_smp( 139 fw_controller, 140 fw_device, 141 internal_io_memory, 142 (char *)internal_io_memory + sizeof(SCIF_SAS_INTERNAL_IO_REQUEST_T), 143 SCI_CONTROLLER_INVALID_IO_TAG, 144 smp_command, 145 NULL //there is no associated user io object. 146 ); 147 148 //Codes below are all internal io related. 149 if (status == SCI_SUCCESS) 150 { 151 //set the is_internal flag 152 fw_io->parent.is_internal = TRUE; 153 154 if (fw_internal_io->internal_io_timer == NULL) 155 { 156 //create the timer for this internal request. 157 fw_internal_io->internal_io_timer = 158 scif_cb_timer_create( 159 (SCI_CONTROLLER_HANDLE_T *)fw_controller, 160 scif_sas_internal_io_request_timeout_handler, 161 (void*)fw_io 162 ); 163 } 164 else 165 { 166 ASSERT (0); 167 } 168 169 //insert into high priority queue 170 if ( !sci_pool_full(fw_controller->hprq.pool) ) 171 { 172 sci_pool_put( 173 fw_controller->hprq.pool, (POINTER_UINT) internal_io_memory 174 ); 175 } 176 else 177 { 178 SCIF_LOG_ERROR(( 179 sci_base_object_get_logger(fw_controller), 180 SCIF_LOG_OBJECT_CONTROLLER | SCIF_LOG_OBJECT_REMOTE_DEVICE, 181 "scif_sas_internal_io_request_construct_smp, high priority queue full!\n" 182 )); 183 184 scif_sas_internal_io_request_destruct(fw_controller, fw_internal_io); 185 186 //return failure status. 187 return SCI_FAILURE_INSUFFICIENT_RESOURCES; 188 } 189 } 190 191 return status; 192} 193 194 195/** 196 * @brief This method constructs an internal smp request. 197 * @param[in] fw_io 198 * 199 * @return SCI_STATUS 200 */ 201SCI_STATUS scif_sas_internal_io_request_construct_stp( 202 SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_io 203) 204{ 205 //TBD 206 return SCI_SUCCESS; 207} 208 209 210/** 211 * @brief This method handles the timeout situation for an internal io. 212 * 213 * @param[in] fw_internal_io The timed out IO. 214 * 215 * @return none 216 */ 217void scif_sas_internal_io_request_timeout_handler( 218 void * fw_internal_io 219) 220{ 221 SCIF_SAS_REQUEST_T * fw_request = (SCIF_SAS_REQUEST_T *)fw_internal_io; 222 223 SCIF_LOG_TRACE(( 224 sci_base_object_get_logger(fw_request), 225 SCIF_LOG_OBJECT_IO_REQUEST, 226 "scif_sas_internal_io_request_timeout_handler(0x%x) enter\n", 227 fw_internal_io 228 )); 229 230 fw_request->state_handlers->abort_handler(&fw_request->parent); 231} 232 233 234/** 235 * @brief This methods takes care of completion of an internal request about its 236 * "internal" related feature, including the memory recycling and timer. 237 * 238 * @param[in] fw_controller The framework controller object. 239 * @param[in] fw_internal_io The internal io to be completed. 240 * @param[in] completion_status the completeion status by core and framework so 241 * far. 242 * 243 * @return none 244 */ 245void scif_sas_internal_io_request_complete( 246 SCIF_SAS_CONTROLLER_T * fw_controller, 247 SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_internal_io, 248 SCI_STATUS completion_status 249) 250{ 251 SCIF_LOG_TRACE(( 252 sci_base_object_get_logger(fw_controller), 253 SCIF_LOG_OBJECT_IO_REQUEST, 254 "scif_sas_internal_io_request_complete(0x%x, 0x%x, 0x%x) enter\n", 255 fw_controller, fw_internal_io, completion_status 256 )); 257 258 scif_cb_timer_stop(fw_controller, fw_internal_io->internal_io_timer); 259 scif_sas_internal_io_request_destruct(fw_controller, fw_internal_io); 260} 261 262 263/** 264 * @brief This methods takes care of destruction of an internal request about its 265 * "internal" related feature, including the memory recycling and timer. 266 * 267 * @param[in] fw_controller The framework controller object. 268 * @param[in] fw_internal_io The internal io to be completed. 269 * 270 * @return none 271 */ 272void scif_sas_internal_io_request_destruct( 273 SCIF_SAS_CONTROLLER_T * fw_controller, 274 SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_internal_io 275) 276{ 277 if (fw_internal_io->internal_io_timer != NULL) 278 { 279 scif_cb_timer_destroy(fw_controller, fw_internal_io->internal_io_timer); 280 fw_internal_io->internal_io_timer = NULL; 281 } 282 scif_sas_controller_free_internal_request(fw_controller, fw_internal_io); 283} 284 285