/*- * 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 all of the method implementations pertaining * to the framework remote device state handler methods. */ #include #include #include #include #include #include //****************************************************************************** //* S T O P P E D H A N D L E R S //****************************************************************************** /** * @brief This method provides STOPPED state specific handling for * when the framework attempts to start the remote device. This * method attempts to transition the state machine into the * STARTING state. If this is unsuccessful, then there is a direct * transition into the FAILED state. * * @param[in] remote_device This parameter specifies the remote device * object for which the framework is attempting to start. * * @return This method returns an indication as to whether the start * operating began successfully. */ static SCI_STATUS scif_sas_remote_device_stopped_start_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device ) { SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T *) remote_device; sci_base_state_machine_change_state( &fw_device->parent.state_machine, SCI_BASE_REMOTE_DEVICE_STATE_STARTING ); // Check to see if the state transition occurred without issue. if (sci_base_state_machine_get_state(&fw_device->parent.state_machine) == SCI_BASE_REMOTE_DEVICE_STATE_FAILED) { SCIF_LOG_WARNING(( sci_base_object_get_logger(fw_device), SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY, "Domain:0x%x Device:0x%x Status:0x%x failed to start\n", fw_device->domain, fw_device, fw_device->operation_status )); } return fw_device->operation_status; } /** * @brief This method provides STOPPED state specific handling for * when the user attempts to destruct the remote device. * * @param[in] remote_device This parameter specifies the remote device * object for which the framework is attempting to start. * * @return This method returns an indication as to whether the destruct * operation completed successfully. */ static SCI_STATUS scif_sas_remote_device_stopped_destruct_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device ) { SCI_STATUS status; SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T *) remote_device; SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols; scic_remote_device_get_protocols(fw_device->core_object, &dev_protocols); //For smp device, need to clear its smp phy list first. if(dev_protocols.u.bits.attached_smp_target) scif_sas_smp_remote_device_removed(fw_device); status = scic_remote_device_destruct(fw_device->core_object); if (status == SCI_SUCCESS) { sci_base_state_machine_change_state( &fw_device->parent.state_machine, SCI_BASE_REMOTE_DEVICE_STATE_FINAL ); scif_sas_remote_device_deinitialize_state_logging(fw_device); } else { SCIF_LOG_ERROR(( sci_base_object_get_logger(fw_device), SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_REMOTE_DEVICE_CONFIG, "Device:0x%x Status:0x%x failed to destruct core device\n", fw_device )); } return status; } //****************************************************************************** //* S T O P P I N G H A N D L E R S //****************************************************************************** /** * @brief This method provides STOPPING state specific handling for * when the core remote device object issues a stop completion * notification. * * @note There is no need to ensure all IO/Task requests are complete * before transitioning to the STOPPED state. The SCI Core will * ensure this is accomplished. * * @param[in] remote_device This parameter specifies the remote device * object for which the completion occurred. * @param[in] completion_status This parameter specifies the status * of the completion operation. * * @return none. */ static void scif_sas_remote_device_stopping_stop_complete_handler( SCIF_SAS_REMOTE_DEVICE_T * fw_device, SCI_STATUS completion_status ) { // Transition directly to the STOPPED state since the core ensures // all IO/Tasks are complete. sci_base_state_machine_change_state( &fw_device->parent.state_machine, SCI_BASE_REMOTE_DEVICE_STATE_STOPPED ); if (completion_status != SCI_SUCCESS) { SCIF_LOG_ERROR(( sci_base_object_get_logger(fw_device), SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_REMOTE_DEVICE_CONFIG, "Device:0x%x Status:0x%x failed to stop core device\n", fw_device, completion_status )); // Something is seriously wrong. Stopping the core remote device // shouldn't fail in anyway. scif_cb_controller_error(fw_device->domain->controller, SCI_CONTROLLER_REMOTE_DEVICE_ERROR); } } /** * @brief This method provides STOPPING state handling for high priority * IO requests, when the framework attempts to complete a high * priority request. * * @param[in] remote_device This parameter specifies the remote device * object for which to complete the high priority IO. * @param[in] io_request This parameter specifies the IO request to be * completed. * @param[in] response_data This parameter is ignored, since the device * is in the stopping state. * * @return This method always returns success. */ static SCI_STATUS scif_sas_remote_device_stopping_complete_high_priority_io_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device, SCI_BASE_REQUEST_T * io_request, void * response_data, SCI_IO_STATUS completion_status ) { SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T *) remote_device; SCIF_SAS_REQUEST_T * fw_request = (SCIF_SAS_REQUEST_T *) io_request; SCIF_LOG_TRACE(( sci_base_object_get_logger(remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_IO_REQUEST, "scif_sas_remote_device_stopping_complete_high_priority_io_handler(0x%x,0x%x,0x%x) enter\n", remote_device, io_request, response_data )); fw_device->request_count--; if (fw_request->is_internal == TRUE) { scif_sas_internal_io_request_complete( fw_device->domain->controller, (SCIF_SAS_INTERNAL_IO_REQUEST_T *) io_request, SCI_SUCCESS ); } return SCI_SUCCESS; } //****************************************************************************** //* F A I L E D H A N D L E R S //****************************************************************************** /** * @brief This method provides FAILED state specific handling for * when the remote device is being stopped by the framework. * * @param[in] remote_device This parameter specifies the remote device * object for which the stop operation is being requested. * * @return This method returns an indication as to whether the failure * operation completed successfully. */ static SCI_STATUS scif_sas_remote_device_failed_stop_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device ) { SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T *) remote_device; SCIF_LOG_WARNING(( sci_base_object_get_logger(fw_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x stopping failed device\n", fw_device )); sci_base_state_machine_change_state( &fw_device->parent.state_machine, SCI_BASE_REMOTE_DEVICE_STATE_STOPPING ); /// @todo Fix the return code handling. return SCI_FAILURE; } //****************************************************************************** //* D E F A U L T H A N D L E R S //****************************************************************************** /** * @brief This method provides default handling (i.e. returns an error); * when a user attempts to start a remote device and a start operation * is not allowed. * * @param[in] remote_device This parameter specifies the remote device object * on which the user is attempting to perform a start operation. * * @return This method returns an indication that start operations are not * allowed. * @retval SCI_FAILURE_INVALID_STATE This value is always returned. */ SCI_STATUS scif_sas_remote_device_default_start_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device ) { SCIF_LOG_WARNING(( sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_REMOTE_DEVICE_CONFIG, "RemoteDevice:0x%x State:0x%x invalid state to start\n", remote_device, sci_base_state_machine_get_state( &((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine) )); return SCI_FAILURE_INVALID_STATE; } /** * @brief This method provides default handling (i.e. returns an error); * when a user attempts to stop a remote device and a stop operation * is not allowed. * * @param[in] remote_device This parameter specifies the remote device object * on which the user is attempting to perform a stop operation. * * @return This method returns an indication that stop operations are not * allowed. * @retval SCI_FAILURE_INVALID_STATE This value is always returned. */ SCI_STATUS scif_sas_remote_device_default_stop_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device ) { SCIF_LOG_WARNING(( sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to stop\n", remote_device, sci_base_state_machine_get_state( &((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine) )); return SCI_FAILURE_INVALID_STATE; } /** * @brief This method provides default handling (i.e. returns an error); * when there is an attempt to fail a remote device from an invalid * state. * * @param[in] remote_device This parameter specifies the remote device * object on which there is an attempt to fail the device. * * @return This method returns an indication that the fail transition is not * allowed. * @retval SCI_FAILURE_INVALID_STATE This value is always returned. */ static SCI_STATUS scif_sas_remote_device_default_fail_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device ) { SCIF_LOG_WARNING(( sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to fail device\n", remote_device, sci_base_state_machine_get_state( &((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine) )); return SCI_FAILURE_INVALID_STATE; } /** * @brief This method provides default handling (i.e. returns an error); * when there is an attempt to destruct a remote device from an * invalid state. * * @param[in] remote_device This parameter specifies the remote device * object on which there is an attempt to fail the device. * * @return This method returns an indication that the fail transition is not * allowed. * @retval SCI_FAILURE_INVALID_STATE This value is always returned. */ SCI_STATUS scif_sas_remote_device_default_destruct_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device ) { SCIF_LOG_WARNING(( sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to destruct.\n", remote_device, sci_base_state_machine_get_state( &((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine) )); return SCI_FAILURE_INVALID_STATE; } /** * @brief This method provides default handling (i.e. returns an error); * when there is an attempt to reset a remote device from an invalid * state. * * @param[in] remote_device This parameter specifies the remote device * object on which there is an attempt to fail the device. * * @return This method returns an indication that the fail transition is not * allowed. * @retval SCI_FAILURE_INVALID_STATE This value is always returned. */ SCI_STATUS scif_sas_remote_device_default_reset_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device ) { SCIF_LOG_WARNING(( sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to reset.\n", remote_device, sci_base_state_machine_get_state( &((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine) )); return SCI_FAILURE_INVALID_STATE; } /** * @brief This method provides default handling (i.e. returns an error); * when there is an attempt to complete a reset to the remote device * from an invalid state. * * @param[in] remote_device This parameter specifies the remote device * object on which there is an attempt to fail the device. * * @return This method returns an indication that the fail transition is not * allowed. * @retval SCI_FAILURE_INVALID_STATE This value is always returned. */ SCI_STATUS scif_sas_remote_device_default_reset_complete_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device ) { SCIF_LOG_WARNING(( sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to complete reset.\n", remote_device, sci_base_state_machine_get_state( &((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine) )); return SCI_FAILURE_INVALID_STATE; } /** * @brief This method provides default handling (i.e. returns an error); * when a user attempts to start an IO on a remote device and a start * IO operation is not allowed. * * @param[in] remote_device This parameter specifies the remote device * object on which the user is attempting to perform a start IO * operation. * @param[in] io_request This parameter specifies the IO request to be * started. * * @return This method returns an indication that start IO operations * are not allowed. * @retval SCI_FAILURE_INVALID_STATE This value is always returned. */ SCI_STATUS scif_sas_remote_device_default_start_io_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device, SCI_BASE_REQUEST_T * io_request ) { SCIF_LOG_WARNING(( sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to start IO.\n", remote_device, sci_base_state_machine_get_state( &((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine) )); return SCI_FAILURE_INVALID_STATE; } /** * @brief This method provides default handling (i.e. returns an error); * when a user attempts to complete an IO on a remote device and a * complete IO operation is not allowed. * * @param[in] remote_device This parameter specifies the remote device * object on which the user is attempting to perform a complete * IO operation. * @param[in] io_request This parameter specifies the IO request to be * completed. * * @return This method returns an indication that complete IO operations * are not allowed. * @retval SCI_FAILURE_INVALID_STATE This value is always returned. */ SCI_STATUS scif_sas_remote_device_default_complete_io_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device, SCI_BASE_REQUEST_T * io_request ) { SCIF_LOG_WARNING(( sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to complete IO\n", remote_device, sci_base_state_machine_get_state( &((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine) )); return SCI_FAILURE_INVALID_STATE; } /** * @brief This method provides default handling (i.e. returns an error); * when a user attempts to complete an IO on a remote device and a * complete IO operation is not allowed. * * @param[in] remote_device This parameter specifies the remote device * object on which the user is attempting to perform a start IO * operation. * @param[in] io_request This parameter specifies the IO request to be * started. * * @return This method returns an indication that complete IO operations * are not allowed. * @retval SCI_FAILURE_INVALID_STATE This value is always returned. */ SCI_STATUS scif_sas_remote_device_default_complete_high_priority_io_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device, SCI_BASE_REQUEST_T * io_request, void * response_data, SCI_IO_STATUS completion_status ) { SCIF_LOG_WARNING(( sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to complete high priority IO\n", remote_device, sci_base_state_machine_get_state( &((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine) )); return SCI_FAILURE_INVALID_STATE; } /** * @brief This method provides default handling (i.e. returns an error); * when a user attempts to continue an IO on a remote device and a * continue IO operation is not allowed. * * @param[in] remote_device This parameter specifies the remote device * object on which the user is attempting to perform a start IO * operation. * @param[in] io_request This parameter specifies the IO request to be * started. * * @return This method returns an indication that continue IO operations * are not allowed. * @retval SCI_FAILURE_INVALID_STATE This value is always returned. */ SCI_STATUS scif_sas_remote_device_default_continue_io_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device, SCI_BASE_REQUEST_T * io_request ) { SCIF_LOG_WARNING(( sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to continue IO\n", remote_device, sci_base_state_machine_get_state( &((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine) )); return SCI_FAILURE_INVALID_STATE; } /** * @brief This method provides default handling (i.e. returns an error); * when a user attempts to start a task on a remote device and a * start task operation is not allowed. * * @param[in] remote_device This parameter specifies the remote device * object on which the user is attempting to perform a start * task operation. * @param[in] task_request This parameter specifies the task management * request to be started. * * @return This method returns an indication that start task operations * are not allowed. * @retval SCI_FAILURE_INVALID_STATE This value is always returned. */ SCI_STATUS scif_sas_remote_device_default_start_task_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device, SCI_BASE_REQUEST_T * task_request ) { SCIF_LOG_WARNING(( sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_TASK_MANAGEMENT, "RemoteDevice:0x%x State:0x%x invalid state to start task\n", remote_device, sci_base_state_machine_get_state( &((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine) )); return SCI_FAILURE_INVALID_STATE; } /** * @brief This method provides default handling (i.e. returns an error); * when a user attempts to complete a task on a remote device and a * complete task operation is not allowed. * * @param[in] remote_device This parameter specifies the remote device object * on which the user is attempting to perform a complete task * operation. * @param[in] task_request This parameter specifies the task management * request to be completed. * * @return This method returns an indication that complete task operations * are not allowed. * @retval SCI_FAILURE_INVALID_STATE This value is always returned. */ SCI_STATUS scif_sas_remote_device_default_complete_task_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device, SCI_BASE_REQUEST_T * task_request ) { SCIF_LOG_WARNING(( sci_base_object_get_logger((SCIF_SAS_REMOTE_DEVICE_T *)remote_device), SCIF_LOG_OBJECT_REMOTE_DEVICE | SCIF_LOG_OBJECT_TASK_MANAGEMENT, "RemoteDevice:0x%x State:0x%x invalid state to complete task\n", remote_device, sci_base_state_machine_get_state( &((SCIF_SAS_REMOTE_DEVICE_T *)remote_device)->parent.state_machine) )); return SCI_FAILURE_INVALID_STATE; } /** * @brief This method provides default handling (i.e. returns an error); * for when the core issues a start completion notification and * such a notification isn't supported. * * @param[in] remote_device This parameter specifies the remote device object * for which the completion notification has occurred. * @param[in] completion_status This parameter specifies the status * of the completion operation. * * @return none. */ void scif_sas_remote_device_default_start_complete_handler( SCIF_SAS_REMOTE_DEVICE_T * fw_device, SCI_STATUS completion_status ) { SCIF_LOG_WARNING(( sci_base_object_get_logger(fw_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to start complete\n", fw_device, sci_base_state_machine_get_state(&fw_device->parent.state_machine) )); } /** * @brief This method provides default handling (i.e. returns an error); * for when the core issues a stop completion notification and * such a notification isn't supported. * * @param[in] remote_device This parameter specifies the remote device object * for which the completion notification has occurred. * @param[in] completion_status This parameter specifies the status * of the completion operation. * * @return none. */ void scif_sas_remote_device_default_stop_complete_handler( SCIF_SAS_REMOTE_DEVICE_T * fw_device, SCI_STATUS completion_status ) { SCIF_LOG_WARNING(( sci_base_object_get_logger(fw_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to stop complete\n", fw_device, sci_base_state_machine_get_state(&fw_device->parent.state_machine) )); } /** * @brief This method provides default handling (i.e. returns an error); * for when the core issues a ready notification and such a * notification isn't supported. * * @param[in] remote_device This parameter specifies the remote device object * for which the notification has occurred. * * @return none. */ void scif_sas_remote_device_default_ready_handler( SCIF_SAS_REMOTE_DEVICE_T * fw_device ) { SCIF_LOG_WARNING(( sci_base_object_get_logger(fw_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to handle ready\n", fw_device, sci_base_state_machine_get_state(&fw_device->parent.state_machine) )); } /** * @brief This method provides default handling (i.e. returns an error); * for when the core issues a not ready notification and such a * notification isn't supported. * * @param[in] remote_device This parameter specifies the remote device object * for which the notification has occurred. * * @return none. */ void scif_sas_remote_device_default_not_ready_handler( SCIF_SAS_REMOTE_DEVICE_T * fw_device, U32 reason_code ) { SCIF_LOG_WARNING(( sci_base_object_get_logger(fw_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x State:0x%x invalid state to handle not ready\n", fw_device, sci_base_state_machine_get_state(&fw_device->parent.state_machine) )); } #if !defined(DISABLE_WIDE_PORTED_TARGETS) /** * @brief This method provides handling of device start complete duing * UPDATING_PORT_WIDTH state. * * @param[in] remote_device This parameter specifies the remote device object * which is start complete. * * @return none. */ static SCI_STATUS scif_sas_remote_device_updating_port_width_state_complete_io_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device, SCI_BASE_REQUEST_T * io_request ) { SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T*) remote_device; fw_device->request_count--; //If the request count is zero, go ahead to update the RNC. if (fw_device->request_count == 0 ) { if (fw_device->destination_state == SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE_STOPPING) { //if the destination state of this device change to STOPPING, no matter //whether we need to update the port width, just make the device //go to the STOPPING state, the device will be removed anyway. sci_base_state_machine_change_state( &fw_device->parent.state_machine, SCI_BASE_REMOTE_DEVICE_STATE_STOPPING ); } else { //stop the device, upon the stop complete callback, start the device again //with the updated port width. scic_remote_device_stop( fw_device->core_object, SCIF_SAS_REMOTE_DEVICE_CORE_OP_TIMEOUT); } } return SCI_SUCCESS; } /** * @brief This method provides handling of device start complete duing * UPDATING_PORT_WIDTH state. * * @param[in] remote_device This parameter specifies the remote device object * which is start complete. * * @return none. */ static void scif_sas_remote_device_updating_port_width_state_start_complete_handler( SCIF_SAS_REMOTE_DEVICE_T * fw_device, SCI_STATUS completion_status ) { SCIF_LOG_INFO(( sci_base_object_get_logger(fw_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x updating port width state start complete handler\n", fw_device, sci_base_state_machine_get_state(&fw_device->parent.state_machine) )); if ( fw_device->destination_state == SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE_STOPPING ) { //if the destination state of this device change to STOPPING, no matter //whether we need to update the port width again, just make the device //go to the STOPPING state. sci_base_state_machine_change_state( &fw_device->parent.state_machine, SCI_BASE_REMOTE_DEVICE_STATE_STOPPING ); } else if ( scic_remote_device_get_port_width(fw_device->core_object) != fw_device->device_port_width && fw_device->device_port_width != 0) { scic_remote_device_stop( fw_device->core_object, SCIF_SAS_REMOTE_DEVICE_CORE_OP_TIMEOUT ); } else { //Port width updating succeeds. Transfer to destination state. sci_base_state_machine_change_state( &fw_device->parent.state_machine, SCI_BASE_REMOTE_DEVICE_STATE_READY ); } } /** * @brief This method provides handling of device stop complete duing * UPDATING_PORT_WIDTH state. * * @param[in] remote_device This parameter specifies the remote device object * which is stop complete. * * @return none. */ static void scif_sas_remote_device_updating_port_width_state_stop_complete_handler( SCIF_SAS_REMOTE_DEVICE_T * fw_device, SCI_STATUS completion_status ) { SCIF_LOG_INFO(( sci_base_object_get_logger(fw_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x updating port width state stop complete handler\n", fw_device, sci_base_state_machine_get_state(&fw_device->parent.state_machine) )); if ( fw_device->destination_state == SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE_STOPPING ) { //Device directly transits to STOPPED STATE from UPDATING_PORT_WIDTH state, fw_device->domain->device_start_count--; //if the destination state of this device change to STOPPING, no matter //whether we need to update the port width again, just make the device //go to the STOPPED state. sci_base_state_machine_change_state( &fw_device->parent.state_machine, SCI_BASE_REMOTE_DEVICE_STATE_STOPPED ); } else { scic_remote_device_set_port_width( fw_device->core_object, fw_device->device_port_width ); //Device stop complete, means the RNC has been destructed. Now we need to //start core device so the RNC with updated port width will be posted. scic_remote_device_start( fw_device->core_object, SCIF_SAS_REMOTE_DEVICE_CORE_OP_TIMEOUT); } } /** * @brief This method provides handling (i.e. returns an error); * when a user attempts to stop a remote device during the updating * port width state, it will record the destination state for this * device to be STOPPING, instead of usually READY state. * * @param[in] remote_device This parameter specifies the remote device object * on which the user is attempting to perform a stop operation. * * @return This method always return SCI_SUCCESS. */ static SCI_STATUS scif_sas_remote_device_updating_port_width_state_stop_handler( SCI_BASE_REMOTE_DEVICE_T * remote_device ) { SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T *)remote_device; SCIF_LOG_INFO(( sci_base_object_get_logger(fw_device), SCIF_LOG_OBJECT_REMOTE_DEVICE, "RemoteDevice:0x%x updating port width state stop handler\n", fw_device, sci_base_state_machine_get_state(&fw_device->parent.state_machine) )); //Can't stop the device right now. Remember the pending stopping request. //When exit the UPDATING_PORT_WIDTH state, we will check this variable //to decide which state to go. fw_device->destination_state = SCIF_SAS_REMOTE_DEVICE_DESTINATION_STATE_STOPPING; return SCI_SUCCESS; } #endif //#if !defined(DISABLE_WIDE_PORTED_TARGETS) #define scif_sas_remote_device_stopping_complete_io_handler \ scif_sas_remote_device_ready_operational_complete_io_handler #define scif_sas_remote_device_stopping_complete_task_handler \ scif_sas_remote_device_ready_operational_complete_task_handler SCIF_SAS_REMOTE_DEVICE_STATE_HANDLER_T scif_sas_remote_device_state_handler_table[SCI_BASE_REMOTE_DEVICE_MAX_STATES] = { // SCI_BASE_REMOTE_DEVICE_STATE_INITIAL { { scif_sas_remote_device_default_start_handler, scif_sas_remote_device_default_stop_handler, scif_sas_remote_device_default_fail_handler, scif_sas_remote_device_default_destruct_handler, scif_sas_remote_device_default_reset_handler, scif_sas_remote_device_default_reset_complete_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_io_handler, scif_sas_remote_device_default_continue_io_handler, scif_sas_remote_device_default_start_task_handler, scif_sas_remote_device_default_complete_task_handler }, scif_sas_remote_device_default_start_complete_handler, scif_sas_remote_device_default_stop_complete_handler, scif_sas_remote_device_default_ready_handler, scif_sas_remote_device_default_not_ready_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_high_priority_io_handler }, // SCI_BASE_REMOTE_DEVICE_STATE_STOPPED { { scif_sas_remote_device_stopped_start_handler, scif_sas_remote_device_default_stop_handler, scif_sas_remote_device_default_fail_handler, scif_sas_remote_device_stopped_destruct_handler, scif_sas_remote_device_default_reset_handler, scif_sas_remote_device_default_reset_complete_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_io_handler, scif_sas_remote_device_default_continue_io_handler, scif_sas_remote_device_default_start_task_handler, scif_sas_remote_device_default_complete_task_handler }, scif_sas_remote_device_default_start_complete_handler, scif_sas_remote_device_default_stop_complete_handler, scif_sas_remote_device_default_ready_handler, scif_sas_remote_device_default_not_ready_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_high_priority_io_handler }, // SCI_BASE_REMOTE_DEVICE_STATE_STARTING { { scif_sas_remote_device_default_start_handler, scif_sas_remote_device_default_stop_handler, scif_sas_remote_device_default_fail_handler, scif_sas_remote_device_default_destruct_handler, scif_sas_remote_device_default_reset_handler, scif_sas_remote_device_default_reset_complete_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_io_handler, scif_sas_remote_device_default_continue_io_handler, scif_sas_remote_device_default_start_task_handler, scif_sas_remote_device_default_complete_task_handler }, scif_sas_remote_device_default_start_complete_handler, scif_sas_remote_device_default_stop_complete_handler, scif_sas_remote_device_default_ready_handler, scif_sas_remote_device_default_not_ready_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_high_priority_io_handler }, // SCI_BASE_REMOTE_DEVICE_STATE_READY - see substate handlers { { scif_sas_remote_device_default_start_handler, scif_sas_remote_device_default_stop_handler, scif_sas_remote_device_default_fail_handler, scif_sas_remote_device_default_destruct_handler, scif_sas_remote_device_default_reset_handler, scif_sas_remote_device_default_reset_complete_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_io_handler, scif_sas_remote_device_default_continue_io_handler, scif_sas_remote_device_default_start_task_handler, scif_sas_remote_device_default_complete_task_handler }, scif_sas_remote_device_default_start_complete_handler, scif_sas_remote_device_default_stop_complete_handler, scif_sas_remote_device_default_ready_handler, scif_sas_remote_device_default_not_ready_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_high_priority_io_handler }, // SCI_BASE_REMOTE_DEVICE_STATE_STOPPING { { scif_sas_remote_device_default_start_handler, scif_sas_remote_device_default_stop_handler, scif_sas_remote_device_default_fail_handler, scif_sas_remote_device_default_destruct_handler, scif_sas_remote_device_default_reset_handler, scif_sas_remote_device_default_reset_complete_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_stopping_complete_io_handler, scif_sas_remote_device_default_continue_io_handler, scif_sas_remote_device_default_start_task_handler, scif_sas_remote_device_stopping_complete_task_handler }, scif_sas_remote_device_default_start_complete_handler, scif_sas_remote_device_stopping_stop_complete_handler, scif_sas_remote_device_default_ready_handler, scif_sas_remote_device_default_not_ready_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_stopping_complete_high_priority_io_handler }, // SCI_BASE_REMOTE_DEVICE_STATE_FAILED { { scif_sas_remote_device_default_start_handler, scif_sas_remote_device_failed_stop_handler, scif_sas_remote_device_default_fail_handler, scif_sas_remote_device_default_destruct_handler, scif_sas_remote_device_default_reset_handler, scif_sas_remote_device_default_reset_complete_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_io_handler, scif_sas_remote_device_default_continue_io_handler, scif_sas_remote_device_default_start_task_handler, scif_sas_remote_device_default_complete_task_handler }, scif_sas_remote_device_default_start_complete_handler, scif_sas_remote_device_default_stop_complete_handler, scif_sas_remote_device_default_ready_handler, scif_sas_remote_device_default_not_ready_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_high_priority_io_handler }, // SCI_BASE_REMOTE_DEVICE_STATE_RESETTING - is unused by framework { { scif_sas_remote_device_default_start_handler, scif_sas_remote_device_default_stop_handler, scif_sas_remote_device_default_fail_handler, scif_sas_remote_device_default_destruct_handler, scif_sas_remote_device_default_reset_handler, scif_sas_remote_device_default_reset_complete_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_io_handler, scif_sas_remote_device_default_continue_io_handler, scif_sas_remote_device_default_start_task_handler, scif_sas_remote_device_default_complete_task_handler }, scif_sas_remote_device_default_start_complete_handler, scif_sas_remote_device_default_stop_complete_handler, scif_sas_remote_device_default_ready_handler, scif_sas_remote_device_default_not_ready_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_high_priority_io_handler }, #if !defined(DISABLE_WIDE_PORTED_TARGETS) // SCI_BASE_REMOTE_DEVICE_STATE_UPDATING_PORT_WIDTH { { scif_sas_remote_device_default_start_handler, scif_sas_remote_device_updating_port_width_state_stop_handler, scif_sas_remote_device_default_fail_handler, scif_sas_remote_device_default_destruct_handler, scif_sas_remote_device_default_reset_handler, scif_sas_remote_device_default_reset_complete_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_updating_port_width_state_complete_io_handler, scif_sas_remote_device_default_continue_io_handler, scif_sas_remote_device_default_start_task_handler, scif_sas_remote_device_default_complete_task_handler }, scif_sas_remote_device_updating_port_width_state_start_complete_handler, scif_sas_remote_device_updating_port_width_state_stop_complete_handler, scif_sas_remote_device_default_ready_handler, scif_sas_remote_device_default_not_ready_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_high_priority_io_handler }, #endif // SCI_BASE_REMOTE_DEVICE_STATE_FINAL { { scif_sas_remote_device_default_start_handler, scif_sas_remote_device_default_stop_handler, scif_sas_remote_device_default_fail_handler, scif_sas_remote_device_default_destruct_handler, scif_sas_remote_device_default_reset_handler, scif_sas_remote_device_default_reset_complete_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_io_handler, scif_sas_remote_device_default_continue_io_handler, scif_sas_remote_device_default_start_task_handler, scif_sas_remote_device_default_complete_task_handler }, scif_sas_remote_device_default_start_complete_handler, scif_sas_remote_device_default_stop_complete_handler, scif_sas_remote_device_default_ready_handler, scif_sas_remote_device_default_not_ready_handler, scif_sas_remote_device_default_start_io_handler, scif_sas_remote_device_default_complete_high_priority_io_handler } };