/*- * 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 task management request object * (SCIF_SAS_TASK_REQUEST) method implementations. */ #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 //****************************************************************************** U32 scif_task_request_get_object_size( void ) { return (sizeof(SCIF_SAS_TASK_REQUEST_T) + scic_task_request_get_object_size()); } // --------------------------------------------------------------------------- U8 scif_sas_task_request_get_function( SCIF_SAS_TASK_REQUEST_T *fw_task ) { return fw_task->function; } // --------------------------------------------------------------------------- static SCI_STATUS scif_sas_task_request_generic_construct( SCI_CONTROLLER_HANDLE_T scif_controller, SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device, U16 io_tag, void * user_task_request_object, void * task_request_memory, SCI_TASK_REQUEST_HANDLE_T * scif_task_request, U8 task_function ) { SCI_STATUS status; SCIF_SAS_CONTROLLER_T * fw_controller = (SCIF_SAS_CONTROLLER_T*) scif_controller; SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) task_request_memory; SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T*) scif_remote_device; U8 * core_request_memory; SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_controller), SCIF_LOG_OBJECT_TASK_MANAGEMENT, "scif_task_request_construct(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x) enter\n", scif_controller, scif_remote_device, io_tag, user_task_request_object, task_request_memory, scif_task_request )); // Initialize the user's handle to the framework task request. *scif_task_request = fw_task; // initialize affected request count fw_task->affected_request_count = 0; fw_task->io_tag_to_manage = SCI_CONTROLLER_INVALID_IO_TAG; fw_task->function = task_function; if (task_function == SCI_SAS_HARD_RESET ) { if (fw_device->containing_device != NULL ) {// Target Reset is for an expander attached device, // go down to construct smp Phy Control request. scif_sas_smp_request_construct_phy_control( fw_controller, fw_device->containing_device, PHY_OPERATION_HARD_RESET, fw_device->expander_phy_identifier, user_task_request_object, task_request_memory ); } else { scif_sas_request_construct( &fw_task->parent, fw_device, sci_base_object_get_logger(fw_controller), scif_sas_task_request_state_table ); // If target reset is for a DA device, don't build task at all. // Just set object association. sci_object_set_association(fw_task, user_task_request_object); } return SCI_SUCCESS; } // Construct the parent object first in order to ensure logging can // function. scif_sas_request_construct( &fw_task->parent, fw_device, sci_base_object_get_logger(fw_controller), scif_sas_task_request_state_table ); core_request_memory = (U8 *)task_request_memory + sizeof(SCIF_SAS_TASK_REQUEST_T); status = scic_task_request_construct( fw_controller->core_object, fw_device->core_object, io_tag, fw_task, core_request_memory, &fw_task->parent.core_object ); if (status == SCI_SUCCESS) { SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols; // These associations must be set early for the core io request // object construction to complete correctly as there will be // callbacks into the user driver framework during core construction sci_object_set_association(fw_task, user_task_request_object); sci_object_set_association(fw_task->parent.core_object, fw_task); // Perform protocol specific core IO request construction. scic_remote_device_get_protocols(fw_device->core_object, &dev_protocols); if (dev_protocols.u.bits.attached_ssp_target) status = scic_task_request_construct_ssp(fw_task->parent.core_object); else if (dev_protocols.u.bits.attached_stp_target) status = scif_sas_stp_task_request_construct(fw_task); else status = SCI_FAILURE_UNSUPPORTED_PROTOCOL; if (status == SCI_SUCCESS) { sci_base_state_machine_logger_initialize( &fw_task->parent.parent.state_machine_logger, &fw_task->parent.parent.state_machine, &fw_task->parent.parent.parent, scif_cb_logger_log_states, "SCIF_SAS_TASK_REQUEST_T", "base_state_machine", SCIF_LOG_OBJECT_TASK_MANAGEMENT ); } else { SCIF_LOG_WARNING(( sci_base_object_get_logger(fw_task), SCIF_LOG_OBJECT_TASK_MANAGEMENT, "Device:0x%x TaskRequest:0x%x Function:0x%x construct failed\n", fw_device, fw_task, scif_sas_task_request_get_function(fw_task) )); } } return status; } // --------------------------------------------------------------------------- SCI_STATUS scif_sas_internal_task_request_construct( SCI_CONTROLLER_HANDLE_T scif_controller, SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device, U16 io_tag, void * task_request_memory, SCI_TASK_REQUEST_HANDLE_T * scif_task_request, U8 task_function ) { SCI_STATUS status; SCIF_SAS_TASK_REQUEST_T * fw_task; status = scif_sas_task_request_generic_construct( scif_controller, scif_remote_device, io_tag, NULL, task_request_memory, scif_task_request, task_function ); fw_task = (SCIF_SAS_TASK_REQUEST_T *)task_request_memory; fw_task->parent.is_internal = TRUE; return status; } // --------------------------------------------------------------------------- SCI_STATUS scif_task_request_construct( SCI_CONTROLLER_HANDLE_T scif_controller, SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device, U16 io_tag, void * user_task_request_object, void * task_request_memory, SCI_TASK_REQUEST_HANDLE_T * scif_task_request ) { SCI_STATUS status; U8 task_function = scif_cb_task_request_get_function(user_task_request_object); status = scif_sas_task_request_generic_construct( scif_controller, scif_remote_device, io_tag, user_task_request_object, task_request_memory, scif_task_request, task_function ); return status; } // --------------------------------------------------------------------------- void scif_sas_internal_task_request_destruct( SCIF_SAS_TASK_REQUEST_T * fw_internal_task ) { SCIF_SAS_CONTROLLER_T * fw_controller = fw_internal_task->parent.device->domain->controller; scif_sas_controller_free_internal_request(fw_controller, fw_internal_task); } // --------------------------------------------------------------------------- void scic_cb_task_request_complete( SCI_CONTROLLER_HANDLE_T controller, SCI_REMOTE_DEVICE_HANDLE_T remote_device, SCI_TASK_REQUEST_HANDLE_T task_request, SCI_TASK_STATUS completion_status ) { SCIF_SAS_CONTROLLER_T * fw_controller = (SCIF_SAS_CONTROLLER_T*) sci_object_get_association(controller); SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T*) sci_object_get_association(remote_device); SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) sci_object_get_association(task_request); SCI_STATUS status; SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_controller), SCIF_LOG_OBJECT_TASK_MANAGEMENT, "scic_cb_task_request_complete(0x%x, 0x%x, 0x%x, 0x%x) enter\n", controller, remote_device, task_request, completion_status )); status = fw_task->parent.state_handlers->complete_handler( &fw_task->parent.parent ); if (status == SCI_SUCCESS) { if (fw_task->parent.protocol_complete_handler != NULL) { status = fw_task->parent.protocol_complete_handler( fw_controller, fw_device, &fw_task->parent, (SCI_STATUS *)&completion_status ); } if (status == SCI_SUCCESS) { SCIF_LOG_WARNING(( sci_base_object_get_logger(fw_task), SCIF_LOG_OBJECT_TASK_MANAGEMENT, "RemoteDevice:0x%x TaskRequest:0x%x Function:0x%x CompletionStatus:0x%x " "completed\n", fw_device, fw_task, scif_sas_task_request_get_function(fw_task), completion_status )); // If this isn't an internal framework IO request, then simply pass the // notification up to the SCIF user. Otherwise, immediately complete the // task since there is no SCIF user to notify. if (fw_task->parent.is_internal == FALSE) { scif_cb_task_request_complete( fw_controller, fw_device, fw_task, completion_status ); } else { scif_controller_complete_task( fw_controller, fw_device, fw_task ); } } } } // --------------------------------------------------------------------------- U32 scic_cb_ssp_task_request_get_lun( void * scic_user_task_request ) { SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) scic_user_task_request; fw_task->parent.lun = scif_cb_task_request_get_lun( fw_task->parent.parent.parent.associated_object ); return fw_task->parent.lun; } // --------------------------------------------------------------------------- U8 scic_cb_ssp_task_request_get_function( void * scic_user_task_request ) { SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) scic_user_task_request; return scif_sas_task_request_get_function(fw_task); } // --------------------------------------------------------------------------- U16 scic_cb_ssp_task_request_get_io_tag_to_manage( void * scic_user_task_request ) { SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) scic_user_task_request; fw_task->io_tag_to_manage = scif_cb_task_request_get_io_tag_to_manage( fw_task->parent.parent.parent.associated_object ); return fw_task->io_tag_to_manage; } // --------------------------------------------------------------------------- void * scic_cb_ssp_task_request_get_response_data_address( void * scic_user_task_request ) { SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) scic_user_task_request; return scif_cb_task_request_get_response_data_address( fw_task->parent.parent.parent.associated_object ); } // --------------------------------------------------------------------------- U32 scic_cb_ssp_task_request_get_response_data_length( void * scic_user_task_request ) { SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*) scic_user_task_request; return scif_cb_task_request_get_response_data_length( fw_task->parent.parent.parent.associated_object ); } //****************************************************************************** //* P R O T E C T E D M E T H O D S //****************************************************************************** /** * @brief This method performs functionality required after a task management * operation (either a task management request or a silicon task * termination) has finished. * * @param[in] fw_task This parameter specifies the request that has * the operation completing. * * @return none */ void scif_sas_task_request_operation_complete( SCIF_SAS_TASK_REQUEST_T * fw_task ) { SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_task), SCIF_LOG_OBJECT_TASK_MANAGEMENT, "scif_sas_task_request_operation_complete(0x%x) enter\n", fw_task )); fw_task->affected_request_count--; SCIF_LOG_INFO(( sci_base_object_get_logger(fw_task), SCIF_LOG_OBJECT_TASK_MANAGEMENT, "TaskRequest:0x%x current affected request count:0x%x\n", fw_task, fw_task->affected_request_count )); }