| /* |
| * 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. |
| * * Neither the name of Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * 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. |
| */ |
| |
| /** |
| * This file contains This file contains the ready substate handlers for a SMP |
| * device. |
| * |
| * |
| */ |
| |
| #include "sci_environment.h" |
| #include "scic_user_callback.h" |
| #include "scic_sds_remote_device.h" |
| #include "scic_sds_controller.h" |
| #include "scic_sds_port.h" |
| #include "scic_sds_request.h" |
| #include "scu_event_codes.h" |
| #include "scu_task_context.h" |
| |
| |
| /* |
| * ***************************************************************************** |
| * * SMP REMOTE DEVICE READY IDLE SUBSTATE HANDLERS |
| * ***************************************************************************** */ |
| |
| /** |
| * |
| * @[in]: device The device the io is sent to. |
| * @[in]: request The io to start. |
| * |
| * This method will handle the start io operation for a SMP device that is in |
| * the idle state. enum sci_status |
| */ |
| static enum sci_status scic_sds_smp_remote_device_ready_idle_substate_start_io_handler( |
| struct sci_base_remote_device *device, |
| struct sci_base_request *request) |
| { |
| enum sci_status status; |
| struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device; |
| struct scic_sds_request *io_request = (struct scic_sds_request *)request; |
| |
| /* Will the port allow the io request to start? */ |
| status = this_device->owning_port->state_handlers->start_io_handler( |
| this_device->owning_port, |
| this_device, |
| io_request |
| ); |
| |
| if (status == SCI_SUCCESS) { |
| status = |
| scic_sds_remote_node_context_start_io(this_device->rnc, io_request); |
| |
| if (status == SCI_SUCCESS) { |
| status = scic_sds_request_start(io_request); |
| } |
| |
| if (status == SCI_SUCCESS) { |
| this_device->working_request = io_request; |
| |
| sci_base_state_machine_change_state( |
| &this_device->ready_substate_machine, |
| SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD |
| ); |
| } |
| |
| scic_sds_remote_device_start_request(this_device, io_request, status); |
| } |
| |
| return status; |
| } |
| |
| |
| /* |
| * ****************************************************************************** |
| * * SMP REMOTE DEVICE READY SUBSTATE CMD HANDLERS |
| * ****************************************************************************** */ |
| /** |
| * |
| * @device: This is the device object that is receiving the IO. |
| * @request: The io to start. |
| * |
| * This device is already handling a command it can not accept new commands |
| * until this one is complete. enum sci_status |
| */ |
| static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_start_io_handler( |
| struct sci_base_remote_device *device, |
| struct sci_base_request *request) |
| { |
| return SCI_FAILURE_INVALID_STATE; |
| } |
| |
| |
| /** |
| * this is the complete_io_handler for smp device at ready cmd substate. |
| * @device: This is the device object that is receiving the IO. |
| * @request: The io to start. |
| * |
| * enum sci_status |
| */ |
| static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_complete_io_handler( |
| struct sci_base_remote_device *device, |
| struct sci_base_request *request) |
| { |
| enum sci_status status; |
| struct scic_sds_remote_device *this_device; |
| struct scic_sds_request *the_request; |
| |
| this_device = (struct scic_sds_remote_device *)device; |
| the_request = (struct scic_sds_request *)request; |
| |
| status = scic_sds_io_request_complete(the_request); |
| |
| if (status == SCI_SUCCESS) { |
| status = scic_sds_port_complete_io( |
| this_device->owning_port, this_device, the_request); |
| |
| if (status == SCI_SUCCESS) { |
| scic_sds_remote_device_decrement_request_count(this_device); |
| sci_base_state_machine_change_state( |
| &this_device->ready_substate_machine, |
| SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE |
| ); |
| } else |
| dev_err(scirdev_to_dev(this_device), |
| "%s: SCIC SDS Remote Device 0x%p io request " |
| "0x%p could not be completd on the port 0x%p " |
| "failed with status %d.\n", |
| __func__, |
| this_device, |
| the_request, |
| this_device->owning_port, |
| status); |
| } |
| |
| return status; |
| } |
| |
| /** |
| * This is frame handler for smp device ready cmd substate. |
| * @this_device: This is the device object that is receiving the frame. |
| * @frame_index: The index for the frame received. |
| * |
| * enum sci_status |
| */ |
| static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_frame_handler( |
| struct scic_sds_remote_device *this_device, |
| u32 frame_index) |
| { |
| enum sci_status status; |
| |
| /* |
| * / The device does not process any UF received from the hardware while |
| * / in this state. All unsolicited frames are forwarded to the io request |
| * / object. */ |
| status = scic_sds_io_request_frame_handler( |
| this_device->working_request, |
| frame_index |
| ); |
| |
| return status; |
| } |
| |
| /* --------------------------------------------------------------------------- */ |
| |
| struct scic_sds_remote_device_state_handler |
| scic_sds_smp_remote_device_ready_substate_handler_table[ |
| SCIC_SDS_SMP_REMOTE_DEVICE_READY_MAX_SUBSTATES] = |
| { |
| /* SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE */ |
| { |
| { |
| scic_sds_remote_device_default_start_handler, |
| scic_sds_remote_device_ready_state_stop_handler, |
| scic_sds_remote_device_default_fail_handler, |
| scic_sds_remote_device_default_destruct_handler, |
| scic_sds_remote_device_default_reset_handler, |
| scic_sds_remote_device_default_reset_complete_handler, |
| scic_sds_smp_remote_device_ready_idle_substate_start_io_handler, |
| scic_sds_remote_device_default_complete_request_handler, |
| scic_sds_remote_device_default_continue_request_handler, |
| scic_sds_remote_device_default_start_request_handler, |
| scic_sds_remote_device_default_complete_request_handler |
| }, |
| scic_sds_remote_device_default_suspend_handler, |
| scic_sds_remote_device_default_resume_handler, |
| scic_sds_remote_device_general_event_handler, |
| scic_sds_remote_device_default_frame_handler |
| }, |
| /* SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD */ |
| { |
| { |
| scic_sds_remote_device_default_start_handler, |
| scic_sds_remote_device_ready_state_stop_handler, |
| scic_sds_remote_device_default_fail_handler, |
| scic_sds_remote_device_default_destruct_handler, |
| scic_sds_remote_device_default_reset_handler, |
| scic_sds_remote_device_default_reset_complete_handler, |
| scic_sds_smp_remote_device_ready_cmd_substate_start_io_handler, |
| scic_sds_smp_remote_device_ready_cmd_substate_complete_io_handler, |
| scic_sds_remote_device_default_continue_request_handler, |
| scic_sds_remote_device_default_start_request_handler, |
| scic_sds_remote_device_default_complete_request_handler |
| }, |
| scic_sds_remote_device_default_suspend_handler, |
| scic_sds_remote_device_default_resume_handler, |
| scic_sds_remote_device_general_event_handler, |
| scic_sds_smp_remote_device_ready_cmd_substate_frame_handler |
| } |
| }; |
| /* |
| * 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. |
| * * Neither the name of Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * 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. |
| */ |
| |
| /** |
| * This file contains the enter and exit functions for the |
| * struct scic_sds_remote_device ready substate machine. |
| * |
| * |
| */ |
| |
| #include "scic_remote_device.h" |
| #include "scic_user_callback.h" |
| #include "scic_sds_remote_device.h" |
| #include "scic_sds_controller.h" |
| #include "scic_sds_port.h" |
| #include "sci_util.h" |
| #include "sci_environment.h" |
| |
| /** |
| * |
| * @object: This is the struct sci_base_object which is cast into a |
| * struct scic_sds_remote_device. |
| * |
| * This is the SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE enter method. |
| * This method sets the ready cmd substate handlers and reports the device as |
| * ready. none |
| */ |
| static void scic_sds_smp_remote_device_ready_idle_substate_enter( |
| struct sci_base_object *object) |
| { |
| struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object; |
| |
| SET_STATE_HANDLER( |
| this_device, |
| scic_sds_smp_remote_device_ready_substate_handler_table, |
| SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE |
| ); |
| |
| scic_cb_remote_device_ready( |
| scic_sds_remote_device_get_controller(this_device), this_device); |
| } |
| |
| /** |
| * |
| * @object: This is the struct sci_base_object which is cast into a |
| * struct scic_sds_remote_device. |
| * |
| * This is the SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD enter method. This |
| * method sets the remote device objects ready cmd substate handlers, and |
| * notify core user that the device is not ready. none |
| */ |
| static void scic_sds_smp_remote_device_ready_cmd_substate_enter( |
| struct sci_base_object *object) |
| { |
| struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object; |
| |
| BUG_ON(this_device->working_request == NULL); |
| |
| SET_STATE_HANDLER( |
| this_device, |
| scic_sds_smp_remote_device_ready_substate_handler_table, |
| SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD |
| ); |
| |
| scic_cb_remote_device_not_ready( |
| scic_sds_remote_device_get_controller(this_device), |
| this_device, |
| SCIC_REMOTE_DEVICE_NOT_READY_SMP_REQUEST_STARTED |
| ); |
| } |
| |
| /** |
| * |
| * @object: This is the struct sci_base_object which is cast into a |
| * struct scic_sds_remote_device. |
| * |
| * This is the SCIC_SDS_SSP_REMOTE_DEVICE_READY_SUBSTATE_CMD exit method. none |
| */ |
| static void scic_sds_smp_remote_device_ready_cmd_substate_exit( |
| struct sci_base_object *object) |
| { |
| struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object; |
| |
| this_device->working_request = NULL; |
| } |
| |
| /* --------------------------------------------------------------------------- */ |
| |
| const struct sci_base_state scic_sds_smp_remote_device_ready_substate_table[] = { |
| [SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = { |
| .enter_state = scic_sds_smp_remote_device_ready_idle_substate_enter, |
| }, |
| [SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = { |
| .enter_state = scic_sds_smp_remote_device_ready_cmd_substate_enter, |
| .exit_state = scic_sds_smp_remote_device_ready_cmd_substate_exit, |
| }, |
| }; |