isci-objs := init.o phy.o request.o sata.o \
remote_device.o port.o timers.o \
host.o task.o probe_roms.o \
+ state_machine.o \
remote_node_context.o \
remote_node_table.o \
unsolicited_frame_control.o \
core/scic_sds_phy.o \
core/scic_sds_ssp_request.o \
core/scic_sds_smp_request.o \
- core/sci_base_state_machine.o \
core/sci_util.o
+++ /dev/null
-/*
- * 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_STATE_H_
-#define _SCI_BASE_STATE_H_
-
-typedef void (*sci_base_state_handler_t)(void);
-
-typedef void (*sci_state_transition_t)(void *base_object);
-
-/**
- * struct sci_base_state - The base state object abstracts the fields common to
- * all state objects defined in SCI.
- *
- *
- */
-struct sci_base_state {
- /**
- * This field is a function pointer that defines the method to be
- * invoked when the state is entered.
- */
- sci_state_transition_t enter_state;
-
- /**
- * This field is a function pointer that defines the method to be
- * invoked when the state is exited.
- */
- sci_state_transition_t exit_state;
-
-};
-
-#endif /* _SCI_BASE_STATE_H_ */
+++ /dev/null
-/*
- * 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 all of the functionality common to all state machine
- * object implementations.
- *
- *
- */
-
-#include "sci_base_state_machine.h"
-
-static void sci_state_machine_exit_state(struct sci_base_state_machine *sm)
-{
- u32 state = sm->current_state_id;
- sci_state_transition_t exit = sm->state_table[state].exit_state;
-
- if (exit)
- exit(sm->state_machine_owner);
-}
-
-static void sci_state_machine_enter_state(struct sci_base_state_machine *sm)
-{
- u32 state = sm->current_state_id;
- sci_state_transition_t enter = sm->state_table[state].enter_state;
-
- if (enter)
- enter(sm->state_machine_owner);
-}
-
-/*
- * ******************************************************************************
- * * P R O T E C T E D M E T H O D S
- * ****************************************************************************** */
-
-/**
- * This method will set the initial state and state table for the state
- * machine. The caller should follow this request with the initialize
- * request to cause the state machine to start.
- * @sm: This parameter provides the state machine object to be
- * constructed.
- * @state_machine_owner: This parameter indicates the object that is owns the
- * state machine being constructed.
- * @state_table: This parameter specifies the table of state objects that is
- * managed by this state machine.
- * @initial_state: This parameter specifies the value of the initial state for
- * this state machine.
- *
- */
-void sci_base_state_machine_construct(struct sci_base_state_machine *sm,
- void *owner,
- const struct sci_base_state *state_table,
- u32 initial_state)
-{
- sm->state_machine_owner = owner;
- sm->initial_state_id = initial_state;
- sm->previous_state_id = initial_state;
- sm->current_state_id = initial_state;
- sm->state_table = state_table;
-}
-
-/**
- * This method will cause the state machine to enter the initial state.
- * @sm: This parameter specifies the state machine that is to
- * be started.
- *
- * sci_base_state_machine_construct() for how to set the initial state none
- */
-void sci_base_state_machine_start(struct sci_base_state_machine *sm)
-{
- sm->current_state_id = sm->initial_state_id;
-#if defined(SCI_BASE_ENABLE_SUBJECT_NOTIFICATION)
- sci_base_subject_notify(&sm->parent);
-#endif
- sci_state_machine_enter_state(sm);
-}
-
-/**
- * This method will cause the state machine to exit it's current state only.
- * @sm: This parameter specifies the state machine that is to
- * be stopped.
- *
- */
-void sci_base_state_machine_stop(
- struct sci_base_state_machine *sm)
-{
- sci_state_machine_exit_state(sm);
-#if defined(SCI_BASE_ENABLE_SUBJECT_NOTIFICATION)
- sci_base_subject_notify(&sm->parent);
-#endif
-}
-
-/**
- * This method performs an update to the current state of the state machine.
- * @sm: This parameter specifies the state machine for which
- * the caller wishes to perform a state change.
- * @next_state: This parameter specifies the new state for the state machine.
- *
- */
-void sci_base_state_machine_change_state(
- struct sci_base_state_machine *sm,
- u32 next_state)
-{
- sci_state_machine_exit_state(sm);
-
- sm->previous_state_id = sm->current_state_id;
- sm->current_state_id = next_state;
-
-#if defined(SCI_BASE_ENABLE_SUBJECT_NOTIFICATION)
- /* Notify of the state change prior to entering the state. */
- sci_base_subject_notify(&sm->parent);
-#endif
-
- sci_state_machine_enter_state(sm);
-}
-
-/**
- * This method simply returns the current state of the state machine to the
- * caller.
- * @sm: This parameter specifies the state machine for which to
- * retrieve the current state.
- *
- * This method returns a u32 value indicating the current state for the
- * supplied state machine.
- */
-u32 sci_base_state_machine_get_state(struct sci_base_state_machine *sm)
-{
- return sm->current_state_id;
-}
-
+++ /dev/null
-/*
- * 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_STATE_MACHINE_H_
-#define _SCI_BASE_STATE_MACHINE_H_
-
-#include <linux/string.h>
-
-/**
- * This file contains all structures, constants, or method declarations common
- * to all state machines defined in SCI.
- *
- *
- */
-
-
-#include "sci_base_state.h"
-
-
-/**
- * SET_STATE_HANDLER() -
- *
- * This macro simply provides simplified retrieval of an objects state handler.
- */
-#define SET_STATE_HANDLER(object, table, state) \
- (object)->state_handlers = &(table)[(state)]
-
-/**
- * struct sci_base_state_machine - This structure defines the fields common to
- * all state machines.
- *
- *
- */
-struct sci_base_state_machine {
- /**
- * This field points to the start of the state machine's state table.
- */
- const struct sci_base_state *state_table;
-
- /**
- * This field points to the object to which this state machine is
- * associated. It serves as a cookie to be provided to the state
- * enter/exit methods.
- */
- void *state_machine_owner;
-
- /**
- * This field simply indicates the state value for the state machine's
- * initial state.
- */
- u32 initial_state_id;
-
- /**
- * This field indicates the current state of the state machine.
- */
- u32 current_state_id;
-
- /**
- * This field indicates the previous state of the state machine.
- */
- u32 previous_state_id;
-
-};
-
-/*
- * ******************************************************************************
- * * P R O T E C T E D M E T H O D S
- * ****************************************************************************** */
-
-void sci_base_state_machine_construct(
- struct sci_base_state_machine *this_state_machine,
- void *state_machine_owner,
- const struct sci_base_state *state_table,
- u32 initial_state);
-
-void sci_base_state_machine_start(
- struct sci_base_state_machine *this_state_machine);
-
-void sci_base_state_machine_stop(
- struct sci_base_state_machine *this_state_machine);
-
-void sci_base_state_machine_change_state(
- struct sci_base_state_machine *this_state_machine,
- u32 next_state);
-
-u32 sci_base_state_machine_get_state(
- struct sci_base_state_machine *this_state_machine);
-
-#endif /* _SCI_BASE_STATE_MACHINE_H_ */
#include <scsi/sas.h>
#include "sas.h"
#include "host.h"
-#include "sci_base_state.h"
-#include "sci_base_state_machine.h"
+#include "state_machine.h"
#include "scic_phy.h"
#include "scic_sds_phy.h"
#include "scic_sds_port.h"
#include "sas.h"
#include "scic_phy.h"
#include "registers.h"
-#include "sci_base_state_machine.h"
+#include "state_machine.h"
#include <scsi/libsas.h>
struct scic_sds_port;
#include "isci.h"
#include "sas.h"
#include "registers.h"
-#include "sci_base_state_machine.h"
+#include "state_machine.h"
struct scic_sds_controller;
struct scic_sds_phy;
#include "isci.h"
#include "scic_io_request.h"
-#include "sci_base_state_machine.h"
+#include "state_machine.h"
#include "scu_task_context.h"
#include "scic_sds_stp_request.h"
#include "sas.h"
*/
#include <scsi/sas.h>
-#include "sci_base_state_machine.h"
+#include "state_machine.h"
#include "remote_device.h"
#include "scic_sds_request.h"
#include "scic_sds_smp_request.h"
*/
#include "host.h"
-#include "sci_base_state_machine.h"
+#include "state_machine.h"
#include "scic_sds_request.h"
#include "scu_completion_codes.h"
#include "scu_task_context.h"
#ifndef _SCIC_SDS_SATA_PIO_REQUEST_H_
#define _SCIC_SDS_SATA_PIO_REQUEST_H_
-#include "sci_base_state.h"
#include "scic_sds_request.h"
#include "scu_task_context.h"
#include <scsi/sas.h>
#include "sas.h"
-#include "sci_base_state.h"
-#include "sci_base_state_machine.h"
+#include "state_machine.h"
#include "scic_io_request.h"
#include "remote_device.h"
#include "scic_sds_request.h"
#include "remote_device.h"
#include "phy.h"
#include "pool.h"
-#include "sci_base_state_machine.h"
+#include "state_machine.h"
#include "remote_node_table.h"
#include "registers.h"
#include "scu_unsolicited_frame.h"
*/
#include "host.h"
-#include "sci_base_state_machine.h"
+#include "state_machine.h"
#include "scic_sds_port.h"
#include "remote_device.h"
#include "remote_node_context.h"
*
*/
-#include "sci_base_state.h"
-#include "sci_base_state_machine.h"
+#include "state_machine.h"
/**
*
--- /dev/null
+/*
+ * 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 all of the functionality common to all state machine
+ * object implementations.
+ *
+ *
+ */
+
+#include "state_machine.h"
+
+static void sci_state_machine_exit_state(struct sci_base_state_machine *sm)
+{
+ u32 state = sm->current_state_id;
+ sci_state_transition_t exit = sm->state_table[state].exit_state;
+
+ if (exit)
+ exit(sm->state_machine_owner);
+}
+
+static void sci_state_machine_enter_state(struct sci_base_state_machine *sm)
+{
+ u32 state = sm->current_state_id;
+ sci_state_transition_t enter = sm->state_table[state].enter_state;
+
+ if (enter)
+ enter(sm->state_machine_owner);
+}
+
+/*
+ * ******************************************************************************
+ * * P R O T E C T E D M E T H O D S
+ * ****************************************************************************** */
+
+/**
+ * This method will set the initial state and state table for the state
+ * machine. The caller should follow this request with the initialize
+ * request to cause the state machine to start.
+ * @sm: This parameter provides the state machine object to be
+ * constructed.
+ * @state_machine_owner: This parameter indicates the object that is owns the
+ * state machine being constructed.
+ * @state_table: This parameter specifies the table of state objects that is
+ * managed by this state machine.
+ * @initial_state: This parameter specifies the value of the initial state for
+ * this state machine.
+ *
+ */
+void sci_base_state_machine_construct(struct sci_base_state_machine *sm,
+ void *owner,
+ const struct sci_base_state *state_table,
+ u32 initial_state)
+{
+ sm->state_machine_owner = owner;
+ sm->initial_state_id = initial_state;
+ sm->previous_state_id = initial_state;
+ sm->current_state_id = initial_state;
+ sm->state_table = state_table;
+}
+
+/**
+ * This method will cause the state machine to enter the initial state.
+ * @sm: This parameter specifies the state machine that is to
+ * be started.
+ *
+ * sci_base_state_machine_construct() for how to set the initial state none
+ */
+void sci_base_state_machine_start(struct sci_base_state_machine *sm)
+{
+ sm->current_state_id = sm->initial_state_id;
+ sci_state_machine_enter_state(sm);
+}
+
+/**
+ * This method will cause the state machine to exit it's current state only.
+ * @sm: This parameter specifies the state machine that is to
+ * be stopped.
+ *
+ */
+void sci_base_state_machine_stop(
+ struct sci_base_state_machine *sm)
+{
+ sci_state_machine_exit_state(sm);
+}
+
+/**
+ * This method performs an update to the current state of the state machine.
+ * @sm: This parameter specifies the state machine for which
+ * the caller wishes to perform a state change.
+ * @next_state: This parameter specifies the new state for the state machine.
+ *
+ */
+void sci_base_state_machine_change_state(
+ struct sci_base_state_machine *sm,
+ u32 next_state)
+{
+ sci_state_machine_exit_state(sm);
+
+ sm->previous_state_id = sm->current_state_id;
+ sm->current_state_id = next_state;
+
+ sci_state_machine_enter_state(sm);
+}
+
+/**
+ * This method simply returns the current state of the state machine to the
+ * caller.
+ * @sm: This parameter specifies the state machine for which to
+ * retrieve the current state.
+ *
+ * This method returns a u32 value indicating the current state for the
+ * supplied state machine.
+ */
+u32 sci_base_state_machine_get_state(struct sci_base_state_machine *sm)
+{
+ return sm->current_state_id;
+}
+
--- /dev/null
+/*
+ * 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_STATE_MACHINE_H_
+#define _SCI_BASE_STATE_MACHINE_H_
+
+#include <linux/types.h>
+
+typedef void (*sci_base_state_handler_t)(void);
+
+typedef void (*sci_state_transition_t)(void *base_object);
+
+/**
+ * struct sci_base_state - The base state object abstracts the fields common to
+ * all state objects defined in SCI.
+ *
+ *
+ */
+struct sci_base_state {
+ /**
+ * This field is a function pointer that defines the method to be
+ * invoked when the state is entered.
+ */
+ sci_state_transition_t enter_state;
+
+ /**
+ * This field is a function pointer that defines the method to be
+ * invoked when the state is exited.
+ */
+ sci_state_transition_t exit_state;
+
+};
+
+/**
+ * SET_STATE_HANDLER() -
+ *
+ * This macro simply provides simplified retrieval of an objects state handler.
+ */
+#define SET_STATE_HANDLER(object, table, state) \
+ (object)->state_handlers = &(table)[(state)]
+
+/**
+ * struct sci_base_state_machine - This structure defines the fields common to
+ * all state machines.
+ *
+ *
+ */
+struct sci_base_state_machine {
+ /**
+ * This field points to the start of the state machine's state table.
+ */
+ const struct sci_base_state *state_table;
+
+ /**
+ * This field points to the object to which this state machine is
+ * associated. It serves as a cookie to be provided to the state
+ * enter/exit methods.
+ */
+ void *state_machine_owner;
+
+ /**
+ * This field simply indicates the state value for the state machine's
+ * initial state.
+ */
+ u32 initial_state_id;
+
+ /**
+ * This field indicates the current state of the state machine.
+ */
+ u32 current_state_id;
+
+ /**
+ * This field indicates the previous state of the state machine.
+ */
+ u32 previous_state_id;
+
+};
+
+/*
+ * ******************************************************************************
+ * * P R O T E C T E D M E T H O D S
+ * ****************************************************************************** */
+
+void sci_base_state_machine_construct(
+ struct sci_base_state_machine *this_state_machine,
+ void *state_machine_owner,
+ const struct sci_base_state *state_table,
+ u32 initial_state);
+
+void sci_base_state_machine_start(
+ struct sci_base_state_machine *this_state_machine);
+
+void sci_base_state_machine_stop(
+ struct sci_base_state_machine *this_state_machine);
+
+void sci_base_state_machine_change_state(
+ struct sci_base_state_machine *this_state_machine,
+ u32 next_state);
+
+u32 sci_base_state_machine_get_state(
+ struct sci_base_state_machine *this_state_machine);
+
+#endif /* _SCI_BASE_STATE_MACHINE_H_ */
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