/*- * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. * The full GNU General Public License is included in this distribution * in the file called LICENSE.GPL. * * BSD LICENSE * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); /** * @file * * @brief This file contains the implementation of the * SCIF_SAS_INTERNAL_IO_REQUEST object. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //****************************************************************************** //* P U B L I C M E T H O D S //****************************************************************************** /** * @brief this routine return all memory needed for an internal request, both * framework and core request. * * @return U32 size of all memory needed for an internal request */ U32 scif_sas_internal_request_get_object_size( void ) { return MAX( (sizeof(SCIF_SAS_INTERNAL_IO_REQUEST_T) + scic_io_request_get_object_size()), (sizeof(SCIF_SAS_TASK_REQUEST_T) + scic_task_request_get_object_size()) ); } /** * @brief This method constructs an internal smp request. * * @param[in] fw_controller The framework controller * @param[in] fw_device The smp device that the internal io targets to. * @param[in] internal_io_memory The memory space for the internal io. * @param[in] io_tag The io tag for the internl io to be constructed. * @param[in] smp_command A pointer to the smp request data structure according * to SAS protocol. * * @return Indicate if the internal io was successfully constructed. * @retval SCI_SUCCESS This value is returned if the internal io was * successfully constructed. * @retval SCI_FAILURE This value is returned if the internal io was failed to * be constructed. */ SCI_STATUS scif_sas_internal_io_request_construct_smp( SCIF_SAS_CONTROLLER_T * fw_controller, SCIF_SAS_REMOTE_DEVICE_T * fw_device, void * internal_io_memory, U16 io_tag, SMP_REQUEST_T * smp_command ) { SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_internal_io = (SCIF_SAS_INTERNAL_IO_REQUEST_T*)internal_io_memory; SCIF_SAS_IO_REQUEST_T * fw_io = (SCIF_SAS_IO_REQUEST_T*)internal_io_memory; SCI_STATUS status; //call common smp request construct routine. status = scif_sas_io_request_construct_smp( fw_controller, fw_device, internal_io_memory, (char *)internal_io_memory + sizeof(SCIF_SAS_INTERNAL_IO_REQUEST_T), SCI_CONTROLLER_INVALID_IO_TAG, smp_command, NULL //there is no associated user io object. ); //Codes below are all internal io related. if (status == SCI_SUCCESS) { //set the is_internal flag fw_io->parent.is_internal = TRUE; if (fw_internal_io->internal_io_timer == NULL) { //create the timer for this internal request. fw_internal_io->internal_io_timer = scif_cb_timer_create( (SCI_CONTROLLER_HANDLE_T *)fw_controller, scif_sas_internal_io_request_timeout_handler, (void*)fw_io ); } else { ASSERT (0); } //insert into high priority queue if ( !sci_pool_full(fw_controller->hprq.pool) ) { sci_pool_put( fw_controller->hprq.pool, (POINTER_UINT) internal_io_memory ); } else { SCIF_LOG_ERROR(( sci_base_object_get_logger(fw_controller), SCIF_LOG_OBJECT_CONTROLLER | SCIF_LOG_OBJECT_REMOTE_DEVICE, "scif_sas_internal_io_request_construct_smp, high priority queue full!\n" )); scif_sas_internal_io_request_destruct(fw_controller, fw_internal_io); //return failure status. return SCI_FAILURE_INSUFFICIENT_RESOURCES; } } return status; } /** * @brief This method constructs an internal smp request. * @param[in] fw_io * * @return SCI_STATUS */ SCI_STATUS scif_sas_internal_io_request_construct_stp( SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_io ) { //TBD return SCI_SUCCESS; } /** * @brief This method handles the timeout situation for an internal io. * * @param[in] fw_internal_io The timed out IO. * * @return none */ void scif_sas_internal_io_request_timeout_handler( void * fw_internal_io ) { SCIF_SAS_REQUEST_T * fw_request = (SCIF_SAS_REQUEST_T *)fw_internal_io; SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_request), SCIF_LOG_OBJECT_IO_REQUEST, "scif_sas_internal_io_request_timeout_handler(0x%x) enter\n", fw_internal_io )); fw_request->state_handlers->abort_handler(&fw_request->parent); } /** * @brief This methods takes care of completion of an internal request about its * "internal" related feature, including the memory recycling and timer. * * @param[in] fw_controller The framework controller object. * @param[in] fw_internal_io The internal io to be completed. * @param[in] completion_status the completeion status by core and framework so * far. * * @return none */ void scif_sas_internal_io_request_complete( SCIF_SAS_CONTROLLER_T * fw_controller, SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_internal_io, SCI_STATUS completion_status ) { SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_controller), SCIF_LOG_OBJECT_IO_REQUEST, "scif_sas_internal_io_request_complete(0x%x, 0x%x, 0x%x) enter\n", fw_controller, fw_internal_io, completion_status )); scif_cb_timer_stop(fw_controller, fw_internal_io->internal_io_timer); scif_sas_internal_io_request_destruct(fw_controller, fw_internal_io); } /** * @brief This methods takes care of destruction of an internal request about its * "internal" related feature, including the memory recycling and timer. * * @param[in] fw_controller The framework controller object. * @param[in] fw_internal_io The internal io to be completed. * * @return none */ void scif_sas_internal_io_request_destruct( SCIF_SAS_CONTROLLER_T * fw_controller, SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_internal_io ) { if (fw_internal_io->internal_io_timer != NULL) { scif_cb_timer_destroy(fw_controller, fw_internal_io->internal_io_timer); fw_internal_io->internal_io_timer = NULL; } scif_sas_controller_free_internal_request(fw_controller, fw_internal_io); }