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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.
+ */
+
+#ifndef _SCI_BASE_REMOTE_DEVICE_H_
+#define _SCI_BASE_REMOTE_DEVICE_H_
+
+/**
+ * This file contains all of the structures, constants, and methods common to
+ * all remote device object definitions.
+ *
+ *
+ */
+
+#include "sci_base_state_machine.h"
+
+struct sci_base_request;
+
+/**
+ * enum sci_base_remote_device_states - This enumeration depicts all the states
+ * for the common remote device state machine.
+ *
+ *
+ */
+enum sci_base_remote_device_states {
+ /**
+ * Simply the initial state for the base remote device state machine.
+ */
+ SCI_BASE_REMOTE_DEVICE_STATE_INITIAL,
+
+ /**
+ * This state indicates that the remote device has successfully been
+ * stopped. In this state no new IO operations are permitted.
+ * This state is entered from the INITIAL state.
+ * This state is entered from the STOPPING state.
+ */
+ SCI_BASE_REMOTE_DEVICE_STATE_STOPPED,
+
+ /**
+ * This state indicates the the remote device is in the process of
+ * becoming ready (i.e. starting). In this state no new IO operations
+ * are permitted.
+ * This state is entered from the STOPPED state.
+ */
+ SCI_BASE_REMOTE_DEVICE_STATE_STARTING,
+
+ /**
+ * This state indicates the remote device is now ready. Thus, the user
+ * is able to perform IO operations on the remote device.
+ * This state is entered from the STARTING state.
+ */
+ SCI_BASE_REMOTE_DEVICE_STATE_READY,
+
+ /**
+ * This state indicates that the remote device is in the process of
+ * stopping. In this state no new IO operations are permitted, but
+ * existing IO operations are allowed to complete.
+ * This state is entered from the READY state.
+ * This state is entered from the FAILED state.
+ */
+ SCI_BASE_REMOTE_DEVICE_STATE_STOPPING,
+
+ /**
+ * This state indicates that the remote device has failed.
+ * In this state no new IO operations are permitted.
+ * This state is entered from the INITIALIZING state.
+ * This state is entered from the READY state.
+ */
+ SCI_BASE_REMOTE_DEVICE_STATE_FAILED,
+
+ /**
+ * This state indicates the device is being reset.
+ * In this state no new IO operations are permitted.
+ * This state is entered from the READY state.
+ */
+ SCI_BASE_REMOTE_DEVICE_STATE_RESETTING,
+
+ /**
+ * Simply the final state for the base remote device state machine.
+ */
+ SCI_BASE_REMOTE_DEVICE_STATE_FINAL,
+
+ SCI_BASE_REMOTE_DEVICE_MAX_STATES
+
+};
+
+/**
+ * struct sci_base_remote_device - The base remote device object abstracts the
+ * fields common to all SCI remote device objects.
+ *
+ *
+ */
+struct sci_base_remote_device {
+ /**
+ * The field specifies that the parent object for the base remote
+ * device is the base object itself.
+ */
+ struct sci_base_object parent;
+
+ /**
+ * This field contains the information for the base remote device state
+ * machine.
+ */
+ struct sci_base_state_machine state_machine;
+};
+
+
+typedef enum sci_status (*SCI_BASE_REMOTE_DEVICE_HANDLER_T)(
+ struct sci_base_remote_device *
+ );
+
+typedef enum sci_status (*SCI_BASE_REMOTE_DEVICE_REQUEST_HANDLER_T)(
+ struct sci_base_remote_device *,
+ struct sci_base_request *
+ );
+
+typedef enum sci_status (*SCI_BASE_REMOTE_DEVICE_HIGH_PRIORITY_REQUEST_COMPLETE_HANDLER_T)(
+ struct sci_base_remote_device *,
+ struct sci_base_request *,
+ void *,
+ enum sci_io_status
+ );
+
+/**
+ * struct sci_base_remote_device_state_handler - This structure contains all of
+ * the state handler methods common to base remote device state machines.
+ * Handler methods provide the ability to change the behavior for user
+ * requests or transitions depending on the state the machine is in.
+ *
+ *
+ */
+struct sci_base_remote_device_state_handler {
+ /**
+ * The start_handler specifies the method invoked when a user attempts to
+ * start a remote device.
+ */
+ SCI_BASE_REMOTE_DEVICE_HANDLER_T start_handler;
+
+ /**
+ * The stop_handler specifies the method invoked when a user attempts to
+ * stop a remote device.
+ */
+ SCI_BASE_REMOTE_DEVICE_HANDLER_T stop_handler;
+
+ /**
+ * The fail_handler specifies the method invoked when a remote device
+ * failure has occurred. A failure may be due to an inability to
+ * initialize/configure the device.
+ */
+ SCI_BASE_REMOTE_DEVICE_HANDLER_T fail_handler;
+
+ /**
+ * The destruct_handler specifies the method invoked when attempting to
+ * destruct a remote device.
+ */
+ SCI_BASE_REMOTE_DEVICE_HANDLER_T destruct_handler;
+
+ /**
+ * The reset handler specifies the method invloked when requesting to reset a
+ * remote device.
+ */
+ SCI_BASE_REMOTE_DEVICE_HANDLER_T reset_handler;
+
+ /**
+ * The reset complete handler specifies the method invloked when reporting
+ * that a reset has completed to the remote device.
+ */
+ SCI_BASE_REMOTE_DEVICE_HANDLER_T reset_complete_handler;
+
+ /**
+ * The start_io_handler specifies the method invoked when a user
+ * attempts to start an IO request for a remote device.
+ */
+ SCI_BASE_REMOTE_DEVICE_REQUEST_HANDLER_T start_io_handler;
+
+ /**
+ * The complete_io_handler specifies the method invoked when a user
+ * attempts to complete an IO request for a remote device.
+ */
+ SCI_BASE_REMOTE_DEVICE_REQUEST_HANDLER_T complete_io_handler;
+
+ /**
+ * The continue_io_handler specifies the method invoked when a user
+ * attempts to continue an IO request for a remote device.
+ */
+ SCI_BASE_REMOTE_DEVICE_REQUEST_HANDLER_T continue_io_handler;
+
+ /**
+ * The start_task_handler specifies the method invoked when a user
+ * attempts to start a task management request for a remote device.
+ */
+ SCI_BASE_REMOTE_DEVICE_REQUEST_HANDLER_T start_task_handler;
+
+ /**
+ * The complete_task_handler specifies the method invoked when a user
+ * attempts to complete a task management request for a remote device.
+ */
+ SCI_BASE_REMOTE_DEVICE_REQUEST_HANDLER_T complete_task_handler;
+
+};
+
+/**
+ * sci_base_remote_device_construct() - Construct the base remote device
+ * @this_remote_device: This parameter specifies the base remote device to be
+ * constructed.
+ * @state_table: This parameter specifies the table of state definitions to be
+ * utilized for the remote device state machine.
+ *
+ */
+static inline void sci_base_remote_device_construct(
+ struct sci_base_remote_device *base_dev,
+ const struct sci_base_state *state_table)
+{
+ base_dev->parent.private = NULL;
+ sci_base_state_machine_construct(
+ &base_dev->state_machine,
+ &base_dev->parent,
+ state_table,
+ SCI_BASE_REMOTE_DEVICE_STATE_INITIAL
+ );
+
+ sci_base_state_machine_start(
+ &base_dev->state_machine
+ );
+}
+#endif /* _SCI_BASE_REMOTE_DEVICE_H_ */