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diff --git a/drivers/scsi/isci/core/scic_sds_remote_device.c b/drivers/scsi/isci/core/scic_sds_remote_device.c
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+/*
+ * 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 implementation of remote device methods.
+ *
+ *
+ */
+
+#include "intel_sas.h"
+#include "sci_util.h"
+#include "sci_environment.h"
+#include "scic_port.h"
+#include "scic_phy.h"
+#include "scic_remote_device.h"
+#include "scic_sds_port.h"
+#include "scic_sds_phy.h"
+#include "scic_sds_remote_device.h"
+#include "scic_sds_request.h"
+#include "scic_sds_controller.h"
+
+#define SCIC_SDS_REMOTE_DEVICE_RESET_TIMEOUT (1000)
+
+/*
+ * *****************************************************************************
+ * * CORE REMOTE DEVICE PRIVATE METHODS
+ * ***************************************************************************** */
+
+/*
+ * *****************************************************************************
+ * * CORE REMOTE DEVICE PUBLIC METHODS
+ * ***************************************************************************** */
+
+u32 scic_remote_device_get_object_size(void)
+{
+ return sizeof(struct scic_sds_remote_device)
+ + sizeof(struct scic_sds_remote_node_context);
+}
+
+/* --------------------------------------------------------------------------- */
+
+void scic_remote_device_construct(struct scic_sds_port *sci_port,
+ struct scic_sds_remote_device *sci_dev)
+{
+ sci_dev->owning_port = sci_port;
+ sci_dev->started_request_count = 0;
+ sci_dev->rnc = (struct scic_sds_remote_node_context *) &sci_dev[1];
+
+ sci_base_remote_device_construct(
+ &sci_dev->parent,
+ scic_sds_remote_device_state_table
+ );
+
+ scic_sds_remote_node_context_construct(
+ sci_dev,
+ sci_dev->rnc,
+ SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX
+ );
+
+ sci_object_set_association(sci_dev->rnc, sci_dev);
+}
+
+
+enum sci_status scic_remote_device_da_construct(
+ struct scic_sds_remote_device *sci_dev)
+{
+ enum sci_status status;
+ u16 remote_node_index;
+ struct sci_sas_identify_address_frame_protocols protocols;
+
+ /*
+ * This information is request to determine how many remote node context
+ * entries will be needed to store the remote node.
+ */
+ scic_sds_port_get_attached_protocols(sci_dev->owning_port, &protocols);
+ sci_dev->target_protocols.u.all = protocols.u.all;
+ sci_dev->is_direct_attached = true;
+#if !defined(DISABLE_ATAPI)
+ sci_dev->is_atapi = scic_sds_remote_device_is_atapi(sci_dev);
+#endif
+
+ status = scic_sds_controller_allocate_remote_node_context(
+ sci_dev->owning_port->owning_controller,
+ sci_dev,
+ &remote_node_index);
+
+ if (status == SCI_SUCCESS) {
+ scic_sds_remote_node_context_set_remote_node_index(
+ sci_dev->rnc, remote_node_index);
+
+ scic_sds_port_get_attached_sas_address(
+ sci_dev->owning_port, &sci_dev->device_address);
+
+ if (sci_dev->target_protocols.u.bits.attached_ssp_target) {
+ sci_dev->has_ready_substate_machine = false;
+ } else if (sci_dev->target_protocols.u.bits.attached_stp_target) {
+ sci_dev->has_ready_substate_machine = true;
+
+ sci_base_state_machine_construct(
+ &sci_dev->ready_substate_machine,
+ &sci_dev->parent.parent,
+ scic_sds_stp_remote_device_ready_substate_table,
+ SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE);
+ } else if (sci_dev->target_protocols.u.bits.attached_smp_target) {
+ sci_dev->has_ready_substate_machine = true;
+
+ /* add the SMP ready substate machine construction here */
+ sci_base_state_machine_construct(
+ &sci_dev->ready_substate_machine,
+ &sci_dev->parent.parent,
+ scic_sds_smp_remote_device_ready_substate_table,
+ SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE);
+ }
+
+ sci_dev->connection_rate = scic_sds_port_get_max_allowed_speed(
+ sci_dev->owning_port);
+
+ /* / @todo Should I assign the port width by reading all of the phys on the port? */
+ sci_dev->device_port_width = 1;
+ }
+
+ return status;
+}
+
+
+static void scic_sds_remote_device_get_info_from_smp_discover_response(
+ struct scic_sds_remote_device *this_device,
+ struct smp_response_discover *discover_response)
+{
+ /* decode discover_response to set sas_address to this_device. */
+ this_device->device_address.high =
+ discover_response->attached_sas_address.high;
+
+ this_device->device_address.low =
+ discover_response->attached_sas_address.low;
+
+ this_device->target_protocols.u.all = discover_response->protocols.u.all;
+}
+
+
+enum sci_status scic_remote_device_ea_construct(
+ struct scic_sds_remote_device *sci_dev,
+ struct smp_response_discover *discover_response)
+{
+ enum sci_status status;
+ struct scic_sds_controller *the_controller;
+
+ the_controller = scic_sds_port_get_controller(sci_dev->owning_port);
+
+ scic_sds_remote_device_get_info_from_smp_discover_response(
+ sci_dev, discover_response);
+
+ status = scic_sds_controller_allocate_remote_node_context(
+ the_controller, sci_dev, &sci_dev->rnc->remote_node_index);
+
+ if (status == SCI_SUCCESS) {
+ if (sci_dev->target_protocols.u.bits.attached_ssp_target) {
+ sci_dev->has_ready_substate_machine = false;
+ } else if (sci_dev->target_protocols.u.bits.attached_smp_target) {
+ sci_dev->has_ready_substate_machine = true;
+
+ /* add the SMP ready substate machine construction here */
+ sci_base_state_machine_construct(
+ &sci_dev->ready_substate_machine,
+ &sci_dev->parent.parent,
+ scic_sds_smp_remote_device_ready_substate_table,
+ SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE);
+ } else if (sci_dev->target_protocols.u.bits.attached_stp_target) {
+ sci_dev->has_ready_substate_machine = true;
+
+ sci_base_state_machine_construct(
+ &sci_dev->ready_substate_machine,
+ &sci_dev->parent.parent,
+ scic_sds_stp_remote_device_ready_substate_table,
+ SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE);
+ }
+
+ /*
+ * For SAS-2 the physical link rate is actually a logical link
+ * rate that incorporates multiplexing. The SCU doesn't
+ * incorporate multiplexing and for the purposes of the
+ * connection the logical link rate is that same as the
+ * physical. Furthermore, the SAS-2 and SAS-1.1 fields overlay
+ * one another, so this code works for both situations. */
+ sci_dev->connection_rate = min_t(u16,
+ scic_sds_port_get_max_allowed_speed(sci_dev->owning_port),
+ discover_response->u2.sas1_1.negotiated_physical_link_rate
+ );
+
+ /* / @todo Should I assign the port width by reading all of the phys on the port? */
+ sci_dev->device_port_width = 1;
+ }
+
+ return status;
+}
+
+enum sci_status scic_remote_device_destruct(
+ struct scic_sds_remote_device *sci_dev)
+{
+ return sci_dev->state_handlers->parent.destruct_handler(&sci_dev->parent);
+}
+
+
+enum sci_status scic_remote_device_start(
+ struct scic_sds_remote_device *sci_dev,
+ u32 timeout)
+{
+ return sci_dev->state_handlers->parent.start_handler(&sci_dev->parent);
+}
+
+
+enum sci_status scic_remote_device_stop(
+ struct scic_sds_remote_device *sci_dev,
+ u32 timeout)
+{
+ return sci_dev->state_handlers->parent.stop_handler(&sci_dev->parent);
+}
+
+
+enum sci_status scic_remote_device_reset(
+ struct scic_sds_remote_device *sci_dev)
+{
+ return sci_dev->state_handlers->parent.reset_handler(&sci_dev->parent);
+}
+
+
+enum sci_status scic_remote_device_reset_complete(
+ struct scic_sds_remote_device *sci_dev)
+{
+ return sci_dev->state_handlers->parent.reset_complete_handler(&sci_dev->parent);
+}
+
+
+enum sci_sas_link_rate scic_remote_device_get_connection_rate(
+ struct scic_sds_remote_device *sci_dev)
+{
+ return sci_dev->connection_rate;
+}
+
+
+void scic_remote_device_get_protocols(
+ struct scic_sds_remote_device *sci_dev,
+ struct smp_discover_response_protocols *pr)
+{
+ pr->u.all = sci_dev->target_protocols.u.all;
+}
+
+#if !defined(DISABLE_ATAPI)
+bool scic_remote_device_is_atapi(struct scic_sds_remote_device *sci_dev)
+{
+ return sci_dev->is_atapi;
+}
+#endif
+
+
+/*
+ * *****************************************************************************
+ * * SCU DRIVER STANDARD (SDS) REMOTE DEVICE IMPLEMENTATIONS
+ * ***************************************************************************** */
+
+/**
+ *
+ *
+ * Remote device timer requirements
+ */
+#define SCIC_SDS_REMOTE_DEVICE_MINIMUM_TIMER_COUNT (0)
+#define SCIC_SDS_REMOTE_DEVICE_MAXIMUM_TIMER_COUNT (SCI_MAX_REMOTE_DEVICES)
+
+
+/**
+ *
+ * @this_device: The remote device for which the suspend is being requested.
+ *
+ * This method invokes the remote device suspend state handler. enum sci_status
+ */
+enum sci_status scic_sds_remote_device_suspend(
+ struct scic_sds_remote_device *this_device,
+ u32 suspend_type)
+{
+ return this_device->state_handlers->suspend_handler(this_device, suspend_type);
+}
+
+/**
+ *
+ * @this_device: The remote device for which the resume is being requested.
+ *
+ * This method invokes the remote device resume state handler. enum sci_status
+ */
+enum sci_status scic_sds_remote_device_resume(
+ struct scic_sds_remote_device *this_device)
+{
+ return this_device->state_handlers->resume_handler(this_device);
+}
+
+/**
+ *
+ * @this_device: The remote device for which the event handling is being
+ * requested.
+ * @frame_index: This is the frame index that is being processed.
+ *
+ * This method invokes the frame handler for the remote device state machine
+ * enum sci_status
+ */
+enum sci_status scic_sds_remote_device_frame_handler(
+ struct scic_sds_remote_device *this_device,
+ u32 frame_index)
+{
+ return this_device->state_handlers->frame_handler(this_device, frame_index);
+}
+
+/**
+ *
+ * @this_device: The remote device for which the event handling is being
+ * requested.
+ * @event_code: This is the event code that is to be processed.
+ *
+ * This method invokes the remote device event handler. enum sci_status
+ */
+enum sci_status scic_sds_remote_device_event_handler(
+ struct scic_sds_remote_device *this_device,
+ u32 event_code)
+{
+ return this_device->state_handlers->event_handler(this_device, event_code);
+}
+
+/**
+ *
+ * @controller: The controller that is starting the io request.
+ * @this_device: The remote device for which the start io handling is being
+ * requested.
+ * @io_request: The io request that is being started.
+ *
+ * This method invokes the remote device start io handler. enum sci_status
+ */
+enum sci_status scic_sds_remote_device_start_io(
+ struct scic_sds_controller *controller,
+ struct scic_sds_remote_device *this_device,
+ struct scic_sds_request *io_request)
+{
+ return this_device->state_handlers->parent.start_io_handler(
+ &this_device->parent, &io_request->parent);
+}
+
+/**
+ *
+ * @controller: The controller that is completing the io request.
+ * @this_device: The remote device for which the complete io handling is being
+ * requested.
+ * @io_request: The io request that is being completed.
+ *
+ * This method invokes the remote device complete io handler. enum sci_status
+ */
+enum sci_status scic_sds_remote_device_complete_io(
+ struct scic_sds_controller *controller,
+ struct scic_sds_remote_device *this_device,
+ struct scic_sds_request *io_request)
+{
+ return this_device->state_handlers->parent.complete_io_handler(
+ &this_device->parent, &io_request->parent);
+}
+
+/**
+ *
+ * @controller: The controller that is starting the task request.
+ * @this_device: The remote device for which the start task handling is being
+ * requested.
+ * @io_request: The task request that is being started.
+ *
+ * This method invokes the remote device start task handler. enum sci_status
+ */
+enum sci_status scic_sds_remote_device_start_task(
+ struct scic_sds_controller *controller,
+ struct scic_sds_remote_device *this_device,
+ struct scic_sds_request *io_request)
+{
+ return this_device->state_handlers->parent.start_task_handler(
+ &this_device->parent, &io_request->parent);
+}
+
+/**
+ *
+ * @controller: The controller that is completing the task request.
+ * @this_device: The remote device for which the complete task handling is
+ * being requested.
+ * @io_request: The task request that is being completed.
+ *
+ * This method invokes the remote device complete task handler. enum sci_status
+ */
+
+/**
+ *
+ * @this_device:
+ * @request:
+ *
+ * This method takes the request and bulids an appropriate SCU context for the
+ * request and then requests the controller to post the request. none
+ */
+void scic_sds_remote_device_post_request(
+ struct scic_sds_remote_device *this_device,
+ u32 request)
+{
+ u32 context;
+
+ context = scic_sds_remote_device_build_command_context(this_device, request);
+
+ scic_sds_controller_post_request(
+ scic_sds_remote_device_get_controller(this_device),
+ context
+ );
+}
+
+#if !defined(DISABLE_ATAPI)
+/**
+ *
+ * @this_device: The device to be checked.
+ *
+ * This method check the signature fis of a stp device to decide whether a
+ * device is atapi or not. true if a device is atapi device. False if a device
+ * is not atapi.
+ */
+bool scic_sds_remote_device_is_atapi(
+ struct scic_sds_remote_device *this_device)
+{
+ if (!this_device->target_protocols.u.bits.attached_stp_target)
+ return false;
+ else if (this_device->is_direct_attached) {
+ struct scic_sds_phy *phy;
+ struct scic_sata_phy_properties properties;
+ struct sata_fis_reg_d2h *signature_fis;
+ phy = scic_sds_port_get_a_connected_phy(this_device->owning_port);
+ scic_sata_phy_get_properties(phy, &properties);
+
+ /* decode the signature fis. */
+ signature_fis = &(properties.signature_fis);
+
+ if ((signature_fis->sector_count == 0x01)
+ && (signature_fis->lba_low == 0x01)
+ && (signature_fis->lba_mid == 0x14)
+ && (signature_fis->lba_high == 0xEB)
+ && ((signature_fis->device & 0x5F) == 0x00)
+ ) {
+ /* An ATA device supporting the PACKET command set. */
+ return true;
+ } else
+ return false;
+ } else {
+ /* Expander supported ATAPI device is not currently supported. */
+ return false;
+ }
+}
+#endif
+/*
+ * 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 state handlers for the struct scic_sds_remote_device for the
+ * base state machine.
+ *
+ *
+ */
+
+#include "sci_environment.h"
+#include "scic_user_callback.h"
+#include "scic_controller.h"
+#include "scic_sds_remote_device.h"
+#include "scic_sds_controller.h"
+#include "scic_sds_port.h"
+#include "scic_sds_request.h"
+#include "scic_sds_remote_node_context.h"
+#include "scu_event_codes.h"
+
+/*
+ * *****************************************************************************
+ * * PROTECTED METHODS
+ * ***************************************************************************** */
+
+/**
+ *
+ * @user_parameter: This is cast to a remote device object.
+ *
+ * This method is called once the remote node context is ready to be freed.
+ * The remote device can now report that its stop operation is complete. none
+ */
+static void scic_sds_cb_remote_device_rnc_destruct_complete(
+ void *user_parameter)
+{
+ struct scic_sds_remote_device *this_device;
+
+ this_device = (struct scic_sds_remote_device *)user_parameter;
+
+ BUG_ON(this_device->started_request_count != 0);
+
+ sci_base_state_machine_change_state(
+ scic_sds_remote_device_get_base_state_machine(this_device),
+ SCI_BASE_REMOTE_DEVICE_STATE_STOPPED
+ );
+}
+
+/**
+ *
+ * @user_parameter: This is cast to a remote device object.
+ *
+ * This method is called once the remote node context has transisitioned to a
+ * ready state. This is the indication that the remote device object can also
+ * transition to ready. none
+ */
+static void scic_sds_remote_device_resume_complete_handler(
+ void *user_parameter)
+{
+ struct scic_sds_remote_device *this_device;
+
+ this_device = (struct scic_sds_remote_device *)user_parameter;
+
+ if (
+ sci_base_state_machine_get_state(&this_device->parent.state_machine)
+ != SCI_BASE_REMOTE_DEVICE_STATE_READY
+ ) {
+ sci_base_state_machine_change_state(
+ &this_device->parent.state_machine,
+ SCI_BASE_REMOTE_DEVICE_STATE_READY
+ );
+ }
+}
+
+/**
+ *
+ * @device: This parameter specifies the device for which the request is being
+ * started.
+ * @request: This parameter specifies the request being started.
+ * @status: This parameter specifies the current start operation status.
+ *
+ * This method will perform the STP request start processing common to IO
+ * requests and task requests of all types. none
+ */
+void scic_sds_remote_device_start_request(
+ struct scic_sds_remote_device *this_device,
+ struct scic_sds_request *the_request,
+ enum sci_status status)
+{
+ /* We still have a fault in starting the io complete it on the port */
+ if (status == SCI_SUCCESS)
+ scic_sds_remote_device_increment_request_count(this_device);
+ else{
+ this_device->owning_port->state_handlers->complete_io_handler(
+ this_device->owning_port, this_device, the_request
+ );
+ }
+}
+
+
+/**
+ *
+ * @request: This parameter specifies the request being continued.
+ *
+ * This method will continue to post tc for a STP request. This method usually
+ * serves as a callback when RNC gets resumed during a task management
+ * sequence. none
+ */
+void scic_sds_remote_device_continue_request(
+ struct scic_sds_remote_device *this_device)
+{
+ /* we need to check if this request is still valid to continue. */
+ if (this_device->working_request != NULL) {
+ struct scic_sds_request *this_request = this_device->working_request;
+ struct scic_sds_controller *scic = this_request->owning_controller;
+ u32 state = scic->parent.state_machine.current_state_id;
+ sci_base_controller_request_handler_t continue_io;
+
+ continue_io = scic_sds_controller_state_handler_table[state].base.continue_io;
+ continue_io(&scic->parent, &this_request->target_device->parent,
+ &this_request->parent);
+ }
+}
+
+/**
+ *
+ * @user_parameter: This is cast to a remote device object.
+ *
+ * This method is called once the remote node context has reached a suspended
+ * state. The remote device can now report that its suspend operation is
+ * complete. none
+ */
+
+/**
+ * This method will terminate all of the IO requests in the controllers IO
+ * request table that were targeted for this device.
+ * @this_device: This parameter specifies the remote device for which to
+ * attempt to terminate all requests.
+ *
+ * This method returns an indication as to whether all requests were
+ * successfully terminated. If a single request fails to be terminated, then
+ * this method will return the failure.
+ */
+static enum sci_status scic_sds_remote_device_terminate_requests(
+ struct scic_sds_remote_device *this_device)
+{
+ enum sci_status status = SCI_SUCCESS;
+ enum sci_status terminate_status = SCI_SUCCESS;
+ struct scic_sds_request *the_request;
+ u32 index;
+ u32 request_count = this_device->started_request_count;
+
+ for (index = 0;
+ (index < SCI_MAX_IO_REQUESTS) && (request_count > 0);
+ index++) {
+ the_request = this_device->owning_port->owning_controller->io_request_table[index];
+
+ if ((the_request != NULL) && (the_request->target_device == this_device)) {
+ terminate_status = scic_controller_terminate_request(
+ this_device->owning_port->owning_controller,
+ this_device,
+ the_request
+ );
+
+ if (terminate_status != SCI_SUCCESS)
+ status = terminate_status;
+
+ request_count--;
+ }
+ }
+
+ return status;
+}
+
+/*
+ * *****************************************************************************
+ * * DEFAULT STATE HANDLERS
+ * ***************************************************************************** */
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This method is the default start handler. It logs a warning and returns a
+ * failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+enum sci_status scic_sds_remote_device_default_start_handler(
+ struct sci_base_remote_device *device)
+{
+ struct scic_sds_remote_device *sds_device =
+ (struct scic_sds_remote_device *)device;
+
+ dev_warn(scirdev_to_dev(sds_device),
+ "%s: SCIC Remote Device requested to start while in wrong "
+ "state %d\n",
+ __func__,
+ sci_base_state_machine_get_state(
+ scic_sds_remote_device_get_base_state_machine(
+ sds_device)));
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This method is the default stop handler. It logs a warning and returns a
+ * failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+static enum sci_status scic_sds_remote_device_default_stop_handler(
+ struct sci_base_remote_device *device)
+{
+ struct scic_sds_remote_device *sds_device =
+ (struct scic_sds_remote_device *)device;
+
+ dev_warn(scirdev_to_dev(sds_device),
+ "%s: SCIC Remote Device requested to stop while in wrong "
+ "state %d\n",
+ __func__,
+ sci_base_state_machine_get_state(
+ scic_sds_remote_device_get_base_state_machine(
+ sds_device)));
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This method is the default fail handler. It logs a warning and returns a
+ * failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+enum sci_status scic_sds_remote_device_default_fail_handler(
+ struct sci_base_remote_device *device)
+{
+ struct scic_sds_remote_device *sds_device =
+ (struct scic_sds_remote_device *)device;
+
+ dev_warn(scirdev_to_dev(sds_device),
+ "%s: SCIC Remote Device requested to fail while in wrong "
+ "state %d\n",
+ __func__,
+ sci_base_state_machine_get_state(
+ scic_sds_remote_device_get_base_state_machine(
+ sds_device)));
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This method is the default destruct handler. It logs a warning and returns
+ * a failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+enum sci_status scic_sds_remote_device_default_destruct_handler(
+ struct sci_base_remote_device *device)
+{
+ struct scic_sds_remote_device *sds_device =
+ (struct scic_sds_remote_device *)device;
+
+ dev_warn(scirdev_to_dev(sds_device),
+ "%s: SCIC Remote Device requested to destroy while in "
+ "wrong state %d\n",
+ __func__,
+ sci_base_state_machine_get_state(
+ scic_sds_remote_device_get_base_state_machine(
+ sds_device)));
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This method is the default reset handler. It logs a warning and returns a
+ * failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+enum sci_status scic_sds_remote_device_default_reset_handler(
+ struct sci_base_remote_device *device)
+{
+ struct scic_sds_remote_device *sds_device =
+ (struct scic_sds_remote_device *)device;
+
+ dev_warn(scirdev_to_dev(sds_device),
+ "%s: SCIC Remote Device requested to reset while in wrong "
+ "state %d\n",
+ __func__,
+ sci_base_state_machine_get_state(
+ scic_sds_remote_device_get_base_state_machine(
+ sds_device)));
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This method is the default reset complete handler. It logs a warning and
+ * returns a failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+enum sci_status scic_sds_remote_device_default_reset_complete_handler(
+ struct sci_base_remote_device *device)
+{
+ struct scic_sds_remote_device *sds_device =
+ (struct scic_sds_remote_device *)device;
+
+ dev_warn(scirdev_to_dev(sds_device),
+ "%s: SCIC Remote Device requested to complete reset while "
+ "in wrong state %d\n",
+ __func__,
+ sci_base_state_machine_get_state(
+ scic_sds_remote_device_get_base_state_machine(
+ sds_device)));
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This method is the default suspend handler. It logs a warning and returns a
+ * failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+enum sci_status scic_sds_remote_device_default_suspend_handler(
+ struct scic_sds_remote_device *this_device,
+ u32 suspend_type)
+{
+ dev_warn(scirdev_to_dev(this_device),
+ "%s: SCIC Remote Device 0x%p requested to suspend %d while "
+ "in wrong state %d\n",
+ __func__,
+ this_device,
+ suspend_type,
+ sci_base_state_machine_get_state(
+ scic_sds_remote_device_get_base_state_machine(
+ this_device)));
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This method is the default resume handler. It logs a warning and returns a
+ * failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+enum sci_status scic_sds_remote_device_default_resume_handler(
+ struct scic_sds_remote_device *this_device)
+{
+ dev_warn(scirdev_to_dev(this_device),
+ "%s: SCIC Remote Device requested to resume while in "
+ "wrong state %d\n",
+ __func__,
+ sci_base_state_machine_get_state(
+ scic_sds_remote_device_get_base_state_machine(
+ this_device)));
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ * @event_code: The event code that the struct scic_sds_controller wants the device
+ * object to process.
+ *
+ * This method is the default event handler. It will call the RNC state
+ * machine handler for any RNC events otherwise it will log a warning and
+ * returns a failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+static enum sci_status scic_sds_remote_device_core_event_handler(
+ struct scic_sds_remote_device *this_device,
+ u32 event_code,
+ bool is_ready_state)
+{
+ enum sci_status status;
+
+ switch (scu_get_event_type(event_code)) {
+ case SCU_EVENT_TYPE_RNC_OPS_MISC:
+ case SCU_EVENT_TYPE_RNC_SUSPEND_TX:
+ case SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX:
+ status = scic_sds_remote_node_context_event_handler(this_device->rnc, event_code);
+ break;
+ case SCU_EVENT_TYPE_PTX_SCHEDULE_EVENT:
+
+ if (scu_get_event_code(event_code) == SCU_EVENT_IT_NEXUS_TIMEOUT) {
+ status = SCI_SUCCESS;
+
+ /* Suspend the associated RNC */
+ scic_sds_remote_node_context_suspend(this_device->rnc,
+ SCI_SOFTWARE_SUSPENSION,
+ NULL, NULL);
+
+ dev_dbg(scirdev_to_dev(this_device),
+ "%s: device: %p event code: %x: %s\n",
+ __func__, this_device, event_code,
+ (is_ready_state)
+ ? "I_T_Nexus_Timeout event"
+ : "I_T_Nexus_Timeout event in wrong state");
+
+ break;
+ }
+ /* Else, fall through and treat as unhandled... */
+
+ default:
+ dev_dbg(scirdev_to_dev(this_device),
+ "%s: device: %p event code: %x: %s\n",
+ __func__, this_device, event_code,
+ (is_ready_state)
+ ? "unexpected event"
+ : "unexpected event in wrong state");
+ status = SCI_FAILURE_INVALID_STATE;
+ break;
+ }
+
+ return status;
+}
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ * @event_code: The event code that the struct scic_sds_controller wants the device
+ * object to process.
+ *
+ * This method is the default event handler. It will call the RNC state
+ * machine handler for any RNC events otherwise it will log a warning and
+ * returns a failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+static enum sci_status scic_sds_remote_device_default_event_handler(
+ struct scic_sds_remote_device *this_device,
+ u32 event_code)
+{
+ return scic_sds_remote_device_core_event_handler(this_device,
+ event_code,
+ false);
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ * @frame_index: The frame index for which the struct scic_sds_controller wants this
+ * device object to process.
+ *
+ * This method is the default unsolicited frame handler. It logs a warning,
+ * releases the frame and returns a failure. enum sci_status
+ * SCI_FAILURE_INVALID_STATE
+ */
+enum sci_status scic_sds_remote_device_default_frame_handler(
+ struct scic_sds_remote_device *this_device,
+ u32 frame_index)
+{
+ dev_warn(scirdev_to_dev(this_device),
+ "%s: SCIC Remote Device requested to handle frame %x "
+ "while in wrong state %d\n",
+ __func__,
+ frame_index,
+ sci_base_state_machine_get_state(
+ &this_device->parent.state_machine));
+
+ /* Return the frame back to the controller */
+ scic_sds_controller_release_frame(
+ scic_sds_remote_device_get_controller(this_device), frame_index
+ );
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ * @request: The struct sci_base_request which is then cast into a SCIC_SDS_IO_REQUEST
+ * to start.
+ *
+ * This method is the default start io handler. It logs a warning and returns
+ * a failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+enum sci_status scic_sds_remote_device_default_start_request_handler(
+ struct sci_base_remote_device *device,
+ struct sci_base_request *request)
+{
+ struct scic_sds_remote_device *sds_device =
+ (struct scic_sds_remote_device *)device;
+
+ dev_warn(scirdev_to_dev(sds_device),
+ "%s: SCIC Remote Device requested to start io request %p "
+ "while in wrong state %d\n",
+ __func__,
+ request,
+ sci_base_state_machine_get_state(
+ scic_sds_remote_device_get_base_state_machine(
+ (struct scic_sds_remote_device *)device)));
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ * @request: The struct sci_base_request which is then cast into a SCIC_SDS_IO_REQUEST
+ * to complete.
+ *
+ * This method is the default complete io handler. It logs a warning and
+ * returns a failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+enum sci_status scic_sds_remote_device_default_complete_request_handler(
+ struct sci_base_remote_device *device,
+ struct sci_base_request *request)
+{
+ struct scic_sds_remote_device *sds_device =
+ (struct scic_sds_remote_device *)device;
+
+ dev_warn(scirdev_to_dev(sds_device),
+ "%s: SCIC Remote Device requested to complete io_request %p "
+ "while in wrong state %d\n",
+ __func__,
+ request,
+ sci_base_state_machine_get_state(
+ scic_sds_remote_device_get_base_state_machine(
+ sds_device)));
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ * @request: The struct sci_base_request which is then cast into a SCIC_SDS_IO_REQUEST
+ * to continue.
+ *
+ * This method is the default continue io handler. It logs a warning and
+ * returns a failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+enum sci_status scic_sds_remote_device_default_continue_request_handler(
+ struct sci_base_remote_device *device,
+ struct sci_base_request *request)
+{
+ struct scic_sds_remote_device *sds_device =
+ (struct scic_sds_remote_device *)device;
+
+ dev_warn(scirdev_to_dev(sds_device),
+ "%s: SCIC Remote Device requested to continue io request %p "
+ "while in wrong state %d\n",
+ __func__,
+ request,
+ sci_base_state_machine_get_state(
+ scic_sds_remote_device_get_base_state_machine(
+ sds_device)));
+
+ return SCI_FAILURE_INVALID_STATE;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ * @request: The struct sci_base_request which is then cast into a SCIC_SDS_IO_REQUEST
+ * to complete.
+ *
+ * This method is the default complete task handler. It logs a warning and
+ * returns a failure. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+
+/*
+ * *****************************************************************************
+ * * NORMAL STATE HANDLERS
+ * ***************************************************************************** */
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is then cast into a
+ * struct scic_sds_remote_device.
+ * @frame_index: The frame index for which the struct scic_sds_controller wants this
+ * device object to process.
+ *
+ * This method is a general ssp frame handler. In most cases the device object
+ * needs to route the unsolicited frame processing to the io request object.
+ * This method decodes the tag for the io request object and routes the
+ * unsolicited frame to that object. enum sci_status SCI_FAILURE_INVALID_STATE
+ */
+enum sci_status scic_sds_remote_device_general_frame_handler(
+ struct scic_sds_remote_device *this_device,
+ u32 frame_index)
+{
+ enum sci_status result;
+ struct sci_ssp_frame_header *frame_header;
+ struct scic_sds_request *io_request;
+
+ result = scic_sds_unsolicited_frame_control_get_header(
+ &(scic_sds_remote_device_get_controller(this_device)->uf_control),
+ frame_index,
+ (void **)&frame_header
+ );
+
+ if (SCI_SUCCESS == result) {
+ io_request = scic_sds_controller_get_io_request_from_tag(
+ scic_sds_remote_device_get_controller(this_device), frame_header->tag);
+
+ if ((io_request == SCI_INVALID_HANDLE)
+ || (io_request->target_device != this_device)) {
+ /*
+ * We could not map this tag to a valid IO request
+ * Just toss the frame and continue */
+ scic_sds_controller_release_frame(
+ scic_sds_remote_device_get_controller(this_device), frame_index
+ );
+ } else {
+ /* The IO request is now in charge of releasing the frame */
+ result = io_request->state_handlers->frame_handler(
+ io_request, frame_index);
+ }
+ }
+
+ return result;
+}
+
+/**
+ *
+ * @[in]: this_device This is the device object that is receiving the event.
+ * @[in]: event_code The event code to process.
+ *
+ * This is a common method for handling events reported to the remote device
+ * from the controller object. enum sci_status
+ */
+enum sci_status scic_sds_remote_device_general_event_handler(
+ struct scic_sds_remote_device *this_device,
+ u32 event_code)
+{
+ return scic_sds_remote_device_core_event_handler(this_device,
+ event_code,
+ true);
+}
+
+/*
+ * *****************************************************************************
+ * * STOPPED STATE HANDLERS
+ * ***************************************************************************** */
+
+/**
+ *
+ * @device:
+ *
+ * This method takes the struct scic_sds_remote_device from a stopped state and
+ * attempts to start it. The RNC buffer for the device is constructed and the
+ * device state machine is transitioned to the
+ * SCIC_BASE_REMOTE_DEVICE_STATE_STARTING. enum sci_status SCI_SUCCESS if there is
+ * an RNC buffer available to construct the remote device.
+ * SCI_FAILURE_INSUFFICIENT_RESOURCES if there is no RNC buffer available in
+ * which to construct the remote device.
+ */
+static enum sci_status scic_sds_remote_device_stopped_state_start_handler(
+ struct sci_base_remote_device *device)
+{
+ enum sci_status status;
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
+
+ status = scic_sds_remote_node_context_resume(
+ this_device->rnc,
+ scic_sds_remote_device_resume_complete_handler,
+ this_device
+ );
+
+ if (status == SCI_SUCCESS) {
+ sci_base_state_machine_change_state(
+ scic_sds_remote_device_get_base_state_machine(this_device),
+ SCI_BASE_REMOTE_DEVICE_STATE_STARTING
+ );
+ }
+
+ return status;
+}
+
+/**
+ *
+ * @this_device: The struct sci_base_remote_device which is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This method will stop a struct scic_sds_remote_device that is already in a stopped
+ * state. This is not considered an error since the device is already stopped.
+ * enum sci_status SCI_SUCCESS
+ */
+static enum sci_status scic_sds_remote_device_stopped_state_stop_handler(
+ struct sci_base_remote_device *this_device)
+{
+ return SCI_SUCCESS;
+}
+
+/**
+ *
+ * @this_device: The struct sci_base_remote_device which is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This method will destruct a struct scic_sds_remote_device that is in a stopped
+ * state. This is the only state from which a destruct request will succeed.
+ * The RNi for this struct scic_sds_remote_device is returned to the free pool and the
+ * device object transitions to the SCI_BASE_REMOTE_DEVICE_STATE_FINAL.
+ * enum sci_status SCI_SUCCESS
+ */
+static enum sci_status scic_sds_remote_device_stopped_state_destruct_handler(
+ struct sci_base_remote_device *device)
+{
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
+
+ scic_sds_controller_free_remote_node_context(
+ scic_sds_remote_device_get_controller(this_device),
+ this_device,
+ this_device->rnc->remote_node_index
+ );
+
+ scic_sds_remote_node_context_set_remote_node_index(
+ this_device->rnc,
+ SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX
+ );
+
+ scic_sds_port_set_direct_attached_device_id(
+ this_device->owning_port,
+ SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX
+ );
+
+ sci_base_state_machine_change_state(
+ scic_sds_remote_device_get_base_state_machine(this_device),
+ SCI_BASE_REMOTE_DEVICE_STATE_FINAL
+ );
+
+ return SCI_SUCCESS;
+}
+
+/*
+ * *****************************************************************************
+ * * STARTING STATE HANDLERS
+ * ***************************************************************************** */
+
+static enum sci_status scic_sds_remote_device_starting_state_stop_handler(
+ struct sci_base_remote_device *device)
+{
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
+
+ /*
+ * This device has not yet started so there had better be no IO requests
+ */
+ BUG_ON(this_device->started_request_count != 0);
+
+ /*
+ * Destroy the remote node context
+ */
+ scic_sds_remote_node_context_destruct(
+ this_device->rnc,
+ scic_sds_cb_remote_device_rnc_destruct_complete,
+ this_device
+ );
+
+ /*
+ * Transition to the stopping state and wait for the remote node to
+ * complete being posted and invalidated.
+ */
+ sci_base_state_machine_change_state(
+ scic_sds_remote_device_get_base_state_machine(this_device),
+ SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
+ );
+
+ return SCI_SUCCESS;
+}
+
+/*
+ * *****************************************************************************
+ * * INITIALIZING STATE HANDLERS
+ * ***************************************************************************** */
+
+/* There is nothing to do here for SSP devices */
+
+/*
+ * *****************************************************************************
+ * * READY STATE HANDLERS
+ * ***************************************************************************** */
+
+/**
+ *
+ * @this_device: The struct scic_sds_remote_device object to be suspended.
+ *
+ * This method is the resume handler for the struct scic_sds_remote_device object. It
+ * will post an RNC resume to the SCU hardware. enum sci_status SCI_SUCCESS
+ */
+
+/**
+ *
+ * @device: The struct sci_base_remote_device object which is cast to a
+ * struct scic_sds_remote_device object.
+ *
+ * This method is the default stop handler for the struct scic_sds_remote_device ready
+ * substate machine. It will stop the current substate machine and transition
+ * the base state machine to SCI_BASE_REMOTE_DEVICE_STATE_STOPPING. enum sci_status
+ * SCI_SUCCESS
+ */
+enum sci_status scic_sds_remote_device_ready_state_stop_handler(
+ struct sci_base_remote_device *device)
+{
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
+ enum sci_status status = SCI_SUCCESS;
+
+ /* Request the parent state machine to transition to the stopping state */
+ sci_base_state_machine_change_state(
+ scic_sds_remote_device_get_base_state_machine(this_device),
+ SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
+ );
+
+ if (this_device->started_request_count == 0) {
+ scic_sds_remote_node_context_destruct(
+ this_device->rnc,
+ scic_sds_cb_remote_device_rnc_destruct_complete,
+ this_device
+ );
+ } else
+ status = scic_sds_remote_device_terminate_requests(this_device);
+
+ return status;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device object which is cast to a
+ * struct scic_sds_remote_device object.
+ *
+ * This is the ready state device reset handler enum sci_status
+ */
+enum sci_status scic_sds_remote_device_ready_state_reset_handler(
+ struct sci_base_remote_device *device)
+{
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
+
+ /* Request the parent state machine to transition to the stopping state */
+ sci_base_state_machine_change_state(
+ scic_sds_remote_device_get_base_state_machine(this_device),
+ SCI_BASE_REMOTE_DEVICE_STATE_RESETTING
+ );
+
+ return SCI_SUCCESS;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device object which is cast to a
+ * struct scic_sds_remote_device object.
+ *
+ * This is the default fail handler for the struct scic_sds_remote_device ready
+ * substate machine. It will stop the current ready substate and transition
+ * the remote device object to the SCI_BASE_REMOTE_DEVICE_STATE_FAILED.
+ * enum sci_status SCI_SUCCESS
+ */
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is cast to a
+ * struct scic_sds_remote_device for which the request is to be started.
+ * @request: The struct sci_base_request which is cast to a SCIC_SDS_IO_REQUEST that
+ * is to be started.
+ *
+ * This method will attempt to start a task request for this device object. The
+ * remote device object will issue the start request for the task and if
+ * successful it will start the request for the port object then increment its
+ * own requet count. enum sci_status SCI_SUCCESS if the task request is started for
+ * this device object. SCI_FAILURE_INSUFFICIENT_RESOURCES if the io request
+ * object could not get the resources to start.
+ */
+static enum sci_status scic_sds_remote_device_ready_state_start_task_handler(
+ struct sci_base_remote_device *device,
+ struct sci_base_request *request)
+{
+ enum sci_status result;
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
+ struct scic_sds_request *task_request = (struct scic_sds_request *)request;
+
+ /* See if the port is in a state where we can start the IO request */
+ result = scic_sds_port_start_io(
+ scic_sds_remote_device_get_port(this_device), this_device, task_request);
+
+ if (result == SCI_SUCCESS) {
+ result = scic_sds_remote_node_context_start_task(
+ this_device->rnc, task_request
+ );
+
+ if (result == SCI_SUCCESS) {
+ result = scic_sds_request_start(task_request);
+ }
+
+ scic_sds_remote_device_start_request(this_device, task_request, result);
+ }
+
+ return result;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is cast to a
+ * struct scic_sds_remote_device for which the request is to be started.
+ * @request: The struct sci_base_request which is cast to a SCIC_SDS_IO_REQUEST that
+ * is to be started.
+ *
+ * This method will attempt to start an io request for this device object. The
+ * remote device object will issue the start request for the io and if
+ * successful it will start the request for the port object then increment its
+ * own requet count. enum sci_status SCI_SUCCESS if the io request is started for
+ * this device object. SCI_FAILURE_INSUFFICIENT_RESOURCES if the io request
+ * object could not get the resources to start.
+ */
+static enum sci_status scic_sds_remote_device_ready_state_start_io_handler(
+ struct sci_base_remote_device *device,
+ struct sci_base_request *request)
+{
+ enum sci_status result;
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
+ struct scic_sds_request *io_request = (struct scic_sds_request *)request;
+
+ /* See if the port is in a state where we can start the IO request */
+ result = scic_sds_port_start_io(
+ scic_sds_remote_device_get_port(this_device), this_device, io_request);
+
+ if (result == SCI_SUCCESS) {
+ result = scic_sds_remote_node_context_start_io(
+ this_device->rnc, io_request
+ );
+
+ if (result == SCI_SUCCESS) {
+ result = scic_sds_request_start(io_request);
+ }
+
+ scic_sds_remote_device_start_request(this_device, io_request, result);
+ }
+
+ return result;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is cast to a
+ * struct scic_sds_remote_device for which the request is to be completed.
+ * @request: The struct sci_base_request which is cast to a SCIC_SDS_IO_REQUEST that
+ * is to be completed.
+ *
+ * This method will complete the request for the remote device object. The
+ * method will call the completion handler for the request object and if
+ * successful it will complete the request on the port object then decrement
+ * its own started_request_count. enum sci_status
+ */
+static enum sci_status scic_sds_remote_device_ready_state_complete_request_handler(
+ struct sci_base_remote_device *device,
+ struct sci_base_request *request)
+{
+ enum sci_status result;
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
+ struct scic_sds_request *the_request = (struct scic_sds_request *)request;
+
+ result = scic_sds_request_complete(the_request);
+
+ if (result == SCI_SUCCESS) {
+ /* See if the port is in a state where we can start the IO request */
+ result = scic_sds_port_complete_io(
+ scic_sds_remote_device_get_port(this_device), this_device, the_request);
+
+ if (result == SCI_SUCCESS) {
+ scic_sds_remote_device_decrement_request_count(this_device);
+ }
+ }
+
+ return result;
+}
+
+/*
+ * *****************************************************************************
+ * * STOPPING STATE HANDLERS
+ * ***************************************************************************** */
+
+/**
+ *
+ * @this_device: The struct sci_base_remote_device which is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This method will stop a struct scic_sds_remote_device that is already in the
+ * SCI_BASE_REMOTE_DEVICE_STATE_STOPPING state. This is not considered an error
+ * since we allow a stop request on a device that is alreay stopping or
+ * stopped. enum sci_status SCI_SUCCESS
+ */
+static enum sci_status scic_sds_remote_device_stopping_state_stop_handler(
+ struct sci_base_remote_device *device)
+{
+ /*
+ * All requests should have been terminated, but if there is an
+ * attempt to stop a device already in the stopping state, then
+ * try again to terminate. */
+ return scic_sds_remote_device_terminate_requests(
+ (struct scic_sds_remote_device *)device);
+}
+
+
+/**
+ *
+ * @device: The device object for which the request is completing.
+ * @request: The task request that is being completed.
+ *
+ * This method completes requests for this struct scic_sds_remote_device while it is
+ * in the SCI_BASE_REMOTE_DEVICE_STATE_STOPPING state. This method calls the
+ * complete method for the request object and if that is successful the port
+ * object is called to complete the task request. Then the device object itself
+ * completes the task request. If struct scic_sds_remote_device started_request_count
+ * goes to 0 and the invalidate RNC request has completed the device object can
+ * transition to the SCI_BASE_REMOTE_DEVICE_STATE_STOPPED. enum sci_status
+ */
+static enum sci_status scic_sds_remote_device_stopping_state_complete_request_handler(
+ struct sci_base_remote_device *device,
+ struct sci_base_request *request)
+{
+ enum sci_status status = SCI_SUCCESS;
+ struct scic_sds_request *this_request = (struct scic_sds_request *)request;
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
+
+ status = scic_sds_request_complete(this_request);
+ if (status == SCI_SUCCESS) {
+ status = scic_sds_port_complete_io(
+ scic_sds_remote_device_get_port(this_device),
+ this_device,
+ this_request
+ );
+
+ if (status == SCI_SUCCESS) {
+ scic_sds_remote_device_decrement_request_count(this_device);
+
+ if (scic_sds_remote_device_get_request_count(this_device) == 0) {
+ scic_sds_remote_node_context_destruct(
+ this_device->rnc,
+ scic_sds_cb_remote_device_rnc_destruct_complete,
+ this_device
+ );
+ }
+ }
+ }
+
+ return status;
+}
+
+/*
+ * *****************************************************************************
+ * * RESETTING STATE HANDLERS
+ * ***************************************************************************** */
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is to be cast into a
+ * struct scic_sds_remote_device object.
+ *
+ * This method will complete the reset operation when the device is in the
+ * resetting state. enum sci_status
+ */
+static enum sci_status scic_sds_remote_device_resetting_state_reset_complete_handler(
+ struct sci_base_remote_device *device)
+{
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
+
+ sci_base_state_machine_change_state(
+ &this_device->parent.state_machine,
+ SCI_BASE_REMOTE_DEVICE_STATE_READY
+ );
+
+ return SCI_SUCCESS;
+}
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is to be cast into a
+ * struct scic_sds_remote_device object.
+ *
+ * This method will stop the remote device while in the resetting state.
+ * enum sci_status
+ */
+static enum sci_status scic_sds_remote_device_resetting_state_stop_handler(
+ struct sci_base_remote_device *device)
+{
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
+
+ sci_base_state_machine_change_state(
+ &this_device->parent.state_machine,
+ SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
+ );
+
+ return SCI_SUCCESS;
+}
+
+/**
+ *
+ * @device: The device object for which the request is completing.
+ * @request: The task request that is being completed.
+ *
+ * This method completes requests for this struct scic_sds_remote_device while it is
+ * in the SCI_BASE_REMOTE_DEVICE_STATE_RESETTING state. This method calls the
+ * complete method for the request object and if that is successful the port
+ * object is called to complete the task request. Then the device object itself
+ * completes the task request. enum sci_status
+ */
+static enum sci_status scic_sds_remote_device_resetting_state_complete_request_handler(
+ struct sci_base_remote_device *device,
+ struct sci_base_request *request)
+{
+ enum sci_status status = SCI_SUCCESS;
+ struct scic_sds_request *this_request = (struct scic_sds_request *)request;
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
+
+ status = scic_sds_request_complete(this_request);
+
+ if (status == SCI_SUCCESS) {
+ status = scic_sds_port_complete_io(
+ scic_sds_remote_device_get_port(this_device), this_device, this_request);
+
+ if (status == SCI_SUCCESS) {
+ scic_sds_remote_device_decrement_request_count(this_device);
+ }
+ }
+
+ return status;
+}
+
+/*
+ * *****************************************************************************
+ * * FAILED STATE HANDLERS
+ * ***************************************************************************** */
+
+/**
+ *
+ * @device: The struct sci_base_remote_device which is to be cast into a
+ * struct scic_sds_remote_device object.
+ *
+ * This method handles the remove request for a failed struct scic_sds_remote_device
+ * object. The method will transition the device object to the
+ * SCIC_BASE_REMOTE_DEVICE_STATE_STOPPING. enum sci_status SCI_SUCCESS
+ */
+
+/* --------------------------------------------------------------------------- */
+
+struct scic_sds_remote_device_state_handler
+scic_sds_remote_device_state_handler_table[SCI_BASE_REMOTE_DEVICE_MAX_STATES] =
+{
+ /* SCI_BASE_REMOTE_DEVICE_STATE_INITIAL */
+ {
+ {
+ scic_sds_remote_device_default_start_handler,
+ scic_sds_remote_device_default_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_remote_device_default_start_request_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_default_event_handler,
+ scic_sds_remote_device_default_frame_handler
+ },
+ /* SCI_BASE_REMOTE_DEVICE_STATE_STOPPED */
+ {
+ {
+ scic_sds_remote_device_stopped_state_start_handler,
+ scic_sds_remote_device_stopped_state_stop_handler,
+ scic_sds_remote_device_default_fail_handler,
+ scic_sds_remote_device_stopped_state_destruct_handler,
+ scic_sds_remote_device_default_reset_handler,
+ scic_sds_remote_device_default_reset_complete_handler,
+ scic_sds_remote_device_default_start_request_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_default_event_handler,
+ scic_sds_remote_device_default_frame_handler
+ },
+ /* SCI_BASE_REMOTE_DEVICE_STATE_STARTING */
+ {
+ {
+ scic_sds_remote_device_default_start_handler,
+ scic_sds_remote_device_starting_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_remote_device_default_start_request_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
+ },
+ /* SCI_BASE_REMOTE_DEVICE_STATE_READY */
+ {
+ {
+ 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_ready_state_reset_handler,
+ scic_sds_remote_device_default_reset_complete_handler,
+ scic_sds_remote_device_ready_state_start_io_handler,
+ scic_sds_remote_device_ready_state_complete_request_handler,
+ scic_sds_remote_device_default_continue_request_handler,
+ scic_sds_remote_device_ready_state_start_task_handler,
+ scic_sds_remote_device_ready_state_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_general_frame_handler,
+ },
+ /* SCI_BASE_REMOTE_DEVICE_STATE_STOPPING */
+ {
+ {
+ scic_sds_remote_device_default_start_handler,
+ scic_sds_remote_device_stopping_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_remote_device_default_start_request_handler,
+ scic_sds_remote_device_stopping_state_complete_request_handler,
+ scic_sds_remote_device_default_continue_request_handler,
+ scic_sds_remote_device_default_start_request_handler,
+ scic_sds_remote_device_stopping_state_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_general_frame_handler
+ },
+ /* SCI_BASE_REMOTE_DEVICE_STATE_FAILED */
+ {
+ {
+ scic_sds_remote_device_default_start_handler,
+ scic_sds_remote_device_default_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_remote_device_default_start_request_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_default_event_handler,
+ scic_sds_remote_device_general_frame_handler
+ },
+ /* SCI_BASE_REMOTE_DEVICE_STATE_RESETTING */
+ {
+ {
+ scic_sds_remote_device_default_start_handler,
+ scic_sds_remote_device_resetting_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_resetting_state_reset_complete_handler,
+ scic_sds_remote_device_default_start_request_handler,
+ scic_sds_remote_device_resetting_state_complete_request_handler,
+ scic_sds_remote_device_default_continue_request_handler,
+ scic_sds_remote_device_default_start_request_handler,
+ scic_sds_remote_device_resetting_state_complete_request_handler
+ },
+ scic_sds_remote_device_default_suspend_handler,
+ scic_sds_remote_device_default_resume_handler,
+ scic_sds_remote_device_default_event_handler,
+ scic_sds_remote_device_general_frame_handler
+ },
+ /* SCI_BASE_REMOTE_DEVICE_STATE_FINAL */
+ {
+ {
+ scic_sds_remote_device_default_start_handler,
+ scic_sds_remote_device_default_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_remote_device_default_start_request_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_default_event_handler,
+ scic_sds_remote_device_default_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 operations that are taken on the enter and exit state
+ * transitions for the struct sci_base_remote_device state machine.
+ *
+ *
+ */
+
+#include "scic_remote_device.h"
+#include "scic_user_callback.h"
+#include "scic_sds_controller.h"
+#include "scic_sds_remote_device.h"
+#include "scic_sds_request.h"
+#include "scic_sds_controller.h"
+#include "scic_sds_port.h"
+
+/**
+ *
+ * @object: This is the struct sci_base_object that is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_INITIAL it
+ * immediatly transitions the remote device object to the stopped state. none
+ */
+static void scic_sds_remote_device_initial_state_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_remote_device_state_handler_table,
+ SCI_BASE_REMOTE_DEVICE_STATE_INITIAL
+ );
+
+ /* Initial state is a transitional state to the stopped state */
+ sci_base_state_machine_change_state(
+ scic_sds_remote_device_get_base_state_machine(this_device),
+ SCI_BASE_REMOTE_DEVICE_STATE_STOPPED
+ );
+}
+
+/**
+ *
+ * @object: This is the struct sci_base_object that is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_INITIAL it
+ * sets the stopped state handlers and if this state is entered from the
+ * SCI_BASE_REMOTE_DEVICE_STATE_STOPPING then the SCI User is informed that the
+ * device stop is complete. none
+ */
+static void scic_sds_remote_device_stopped_state_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_remote_device_state_handler_table,
+ SCI_BASE_REMOTE_DEVICE_STATE_STOPPED
+ );
+
+ /*
+ * If we are entering from the stopping state let the SCI User know that
+ * the stop operation has completed. */
+ if (this_device->parent.state_machine.previous_state_id
+ == SCI_BASE_REMOTE_DEVICE_STATE_STOPPING) {
+ scic_cb_remote_device_stop_complete(
+ scic_sds_remote_device_get_controller(this_device),
+ this_device,
+ SCI_SUCCESS
+ );
+ }
+}
+
+/**
+ *
+ * @object: This is the struct sci_base_object that is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_STARTING it
+ * sets the starting state handlers, sets the device not ready, and posts the
+ * remote node context to the hardware. none
+ */
+static void scic_sds_remote_device_starting_state_enter(
+ struct sci_base_object *object)
+{
+ struct scic_sds_controller *the_controller;
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object;
+
+ the_controller = scic_sds_remote_device_get_controller(this_device);
+
+ SET_STATE_HANDLER(
+ this_device,
+ scic_sds_remote_device_state_handler_table,
+ SCI_BASE_REMOTE_DEVICE_STATE_STARTING
+ );
+
+ scic_cb_remote_device_not_ready(
+ the_controller,
+ this_device,
+ SCIC_REMOTE_DEVICE_NOT_READY_START_REQUESTED
+ );
+}
+
+/**
+ *
+ * @object: This is the struct sci_base_object that is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This is the exit method for the SCI_BASE_REMOTE_DEVICE_STATE_STARTING it
+ * reports that the device start is complete. none
+ */
+static void scic_sds_remote_device_starting_state_exit(
+ struct sci_base_object *object)
+{
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object;
+
+ /*
+ * / @todo Check the device object for the proper return code for this
+ * / callback */
+ scic_cb_remote_device_start_complete(
+ scic_sds_remote_device_get_controller(this_device),
+ this_device,
+ SCI_SUCCESS
+ );
+}
+
+/**
+ *
+ * @object: This is the struct sci_base_object that is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_READY it sets
+ * the ready state handlers, and starts the ready substate machine. none
+ */
+static void scic_sds_remote_device_ready_state_enter(
+ struct sci_base_object *object)
+{
+ struct scic_sds_controller *the_controller;
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object;
+
+ the_controller = scic_sds_remote_device_get_controller(this_device);
+
+ SET_STATE_HANDLER(
+ this_device,
+ scic_sds_remote_device_state_handler_table,
+ SCI_BASE_REMOTE_DEVICE_STATE_READY
+ );
+
+ the_controller->remote_device_sequence[this_device->rnc->remote_node_index]++;
+
+ if (this_device->has_ready_substate_machine) {
+ sci_base_state_machine_start(&this_device->ready_substate_machine);
+ } else {
+ scic_cb_remote_device_ready(the_controller, this_device);
+ }
+}
+
+/**
+ *
+ * @object: This is the struct sci_base_object that is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This is the exit method for the SCI_BASE_REMOTE_DEVICE_STATE_READY it does
+ * nothing. none
+ */
+static void scic_sds_remote_device_ready_state_exit(
+ struct sci_base_object *object)
+{
+ struct scic_sds_controller *the_controller;
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object;
+
+ the_controller = scic_sds_remote_device_get_controller(this_device);
+
+ if (this_device->has_ready_substate_machine) {
+ sci_base_state_machine_stop(&this_device->ready_substate_machine);
+ } else {
+ scic_cb_remote_device_not_ready(
+ the_controller,
+ this_device,
+ SCIC_REMOTE_DEVICE_NOT_READY_STOP_REQUESTED
+ );
+ }
+}
+
+/**
+ *
+ * @object: This is the struct sci_base_object that is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_STOPPING it
+ * sets the stopping state handlers and posts an RNC invalidate request to the
+ * SCU hardware. none
+ */
+static void scic_sds_remote_device_stopping_state_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_remote_device_state_handler_table,
+ SCI_BASE_REMOTE_DEVICE_STATE_STOPPING
+ );
+}
+
+/**
+ *
+ * @object: This is the struct sci_base_object that is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_FAILED it sets
+ * the stopping state handlers. none
+ */
+static void scic_sds_remote_device_failed_state_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_remote_device_state_handler_table,
+ SCI_BASE_REMOTE_DEVICE_STATE_FAILED
+ );
+}
+
+/**
+ *
+ * @object: This is the struct sci_base_object that is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_RESETTING it
+ * sets the resetting state handlers. none
+ */
+static void scic_sds_remote_device_resetting_state_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_remote_device_state_handler_table,
+ SCI_BASE_REMOTE_DEVICE_STATE_RESETTING
+ );
+
+ scic_sds_remote_node_context_suspend(
+ this_device->rnc, SCI_SOFTWARE_SUSPENSION, NULL, NULL);
+}
+
+/**
+ *
+ * @object: This is the struct sci_base_object that is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This is the exit method for the SCI_BASE_REMOTE_DEVICE_STATE_RESETTING it
+ * does nothing. none
+ */
+static void scic_sds_remote_device_resetting_state_exit(
+ struct sci_base_object *object)
+{
+ struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)object;
+
+ scic_sds_port_set_direct_attached_device_id(
+ scic_sds_remote_device_get_port(this_device),
+ this_device->rnc->remote_node_index
+ );
+
+ scic_sds_remote_node_context_resume(this_device->rnc, NULL, NULL);
+}
+
+/**
+ *
+ * @object: This is the struct sci_base_object that is cast into a
+ * struct scic_sds_remote_device.
+ *
+ * This is the enter method for the SCI_BASE_REMOTE_DEVICE_STATE_FINAL it sets
+ * the final state handlers. none
+ */
+static void scic_sds_remote_device_final_state_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_remote_device_state_handler_table,
+ SCI_BASE_REMOTE_DEVICE_STATE_FINAL
+ );
+}
+
+/* --------------------------------------------------------------------------- */
+
+const struct sci_base_state scic_sds_remote_device_state_table[] = {
+ [SCI_BASE_REMOTE_DEVICE_STATE_INITIAL] = {
+ .enter_state = scic_sds_remote_device_initial_state_enter,
+ },
+ [SCI_BASE_REMOTE_DEVICE_STATE_STOPPED] = {
+ .enter_state = scic_sds_remote_device_stopped_state_enter,
+ },
+ [SCI_BASE_REMOTE_DEVICE_STATE_STARTING] = {
+ .enter_state = scic_sds_remote_device_starting_state_enter,
+ .exit_state = scic_sds_remote_device_starting_state_exit
+ },
+ [SCI_BASE_REMOTE_DEVICE_STATE_READY] = {
+ .enter_state = scic_sds_remote_device_ready_state_enter,
+ .exit_state = scic_sds_remote_device_ready_state_exit
+ },
+ [SCI_BASE_REMOTE_DEVICE_STATE_STOPPING] = {
+ .enter_state = scic_sds_remote_device_stopping_state_enter,
+ },
+ [SCI_BASE_REMOTE_DEVICE_STATE_FAILED] = {
+ .enter_state = scic_sds_remote_device_failed_state_enter,
+ },
+ [SCI_BASE_REMOTE_DEVICE_STATE_RESETTING] = {
+ .enter_state = scic_sds_remote_device_resetting_state_enter,
+ .exit_state = scic_sds_remote_device_resetting_state_exit
+ },
+ [SCI_BASE_REMOTE_DEVICE_STATE_FINAL] = {
+ .enter_state = scic_sds_remote_device_final_state_enter,
+ },
+};
+