0cf3f85364
(Patsburg) integrated SAS controller. sys/dev/isci contains all files specific to FreeBSD. sys/dev/isci/scil contains OS-agnostic library maintained by Intel and modified to best integrate into FreeBSD kernel build environment. Sponsored by: Intel Reviewed by: scottl
218 lines
8.7 KiB
C
218 lines
8.7 KiB
C
/*-
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* BSD LICENSE
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/**
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* @file
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*
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* @brief This file provides the public and protected implementations for the
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* state machine logger. The state machine logger will provide debug
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* log information on a state machine for each state transition.
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*/
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#include <dev/isci/scil/sci_base_state_machine_logger.h>
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#if defined(SCI_LOGGING)
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//******************************************************************************
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//* P R O T E C T E D M E T H O D S
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//******************************************************************************
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/**
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* This is the function that is called when the state machine wants to notify
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* this observer that there has been a state change.
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*
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* @param[in] observer The state machine logger that is observing the state
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* machine.
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* @param[in] subject The state machine that is being observed.
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*/
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static
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void sci_base_state_machine_logger_update(
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SCI_BASE_OBSERVER_T *observer,
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SCI_BASE_SUBJECT_T *subject
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)
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{
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SCI_BASE_STATE_MACHINE_LOGGER_T *this_observer;
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this_observer = (SCI_BASE_STATE_MACHINE_LOGGER_T *)observer;
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this_observer->log_function(
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sci_base_object_get_logger(this_observer->log_object),
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this_observer->log_mask,
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"%s 0x%08x %s has transitioned from %d to %d\n",
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this_observer->log_object_name,
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this_observer->log_object,
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this_observer->log_state_machine_name,
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this_observer->parent.subject_state,
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sci_base_state_machine_get_state((SCI_BASE_STATE_MACHINE_T *)subject)
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);
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sci_base_state_machine_observer_default_update(
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&this_observer->parent.parent, subject
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);
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}
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//******************************************************************************
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//* P U B L I C M E T H O D S
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//******************************************************************************
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/**
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* This function will construct the state machine logger and attach it to the
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* state machine that is to be observed.
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*
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* @param[in] this_observer This is the state machine logger object that is
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* going to observe the subject state machine.
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* @param[in] the_object This is the object that contains the state machine
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* being observed it is used to report the address of the object for
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* which a state transition has occurred.
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* @param[in] the_log_function This is the logging function to be used when a
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* state machine transition occurs. Since this is a base object type it
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* does not actually know if the logging function is for the core or
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* framework.
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* @param[in] the_object_name This is the name of the object that contains the
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* state machine being observed.
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* @param[in] the_state_machine_name This is the name that will be displayed
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* in the log string for the state machine being observed.
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* @param[in] the_object_mask This is the log object mask used when calling
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* the logging function.
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*
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* @return Nothing
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*/
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void sci_base_state_machine_logger_construct(
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SCI_BASE_STATE_MACHINE_LOGGER_T * this_observer,
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SCI_BASE_OBJECT_T * the_object,
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SCI_BASE_STATE_MACHINE_LOGGER_LOG_HANDLER_T the_log_function,
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char * log_object_name,
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char * log_state_machine_name,
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U32 log_object_mask
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)
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{
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sci_base_state_machine_observer_construct(&this_observer->parent);
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this_observer->log_object = the_object;
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this_observer->log_function = the_log_function;
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this_observer->log_object_name = log_object_name;
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this_observer->log_state_machine_name = log_state_machine_name;
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this_observer->log_mask = log_object_mask;
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this_observer->parent.parent.update = sci_base_state_machine_logger_update;
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}
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/**
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* This is a helper function that will construct the state machine logger and
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* attach it to the state machine that is to be observed.
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*
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* @param[in] this_observer This is the state machine logger object that is
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* going to observe the subject state machine.
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* @param[in] the_state_machine This is the state machine that is under
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* observation.
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* @param[in] the_object This is the object that contains the state machine
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* being observed it is used to report the address of the object for
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* which a state transition has occurred.
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* @param[in] the_log_function This is the logging function to be used when a
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* state machine transition occurs. Since this is a base object type it
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* does not actually know if the logging function is for the core or
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* framework.
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* @param[in] the_object_name This is the name of the object that contains the
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* state machine being observed.
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* @param[in] the_state_machine_name This is the name that will be displayed
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* in the log string for the state machine being observed.
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* @param[in] the_object_mask This is the log object mask used when calling
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* the logging function.
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*
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* @return Nothing
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*/
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void sci_base_state_machine_logger_initialize(
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SCI_BASE_STATE_MACHINE_LOGGER_T * this_observer,
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SCI_BASE_STATE_MACHINE_T * the_state_machine,
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SCI_BASE_OBJECT_T * the_object,
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SCI_BASE_STATE_MACHINE_LOGGER_LOG_HANDLER_T the_log_function,
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char * log_object_name,
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char * log_state_machine_name,
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U32 log_object_mask
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)
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{
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sci_base_state_machine_logger_construct(
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this_observer, the_object,
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the_log_function, log_object_name, log_state_machine_name, log_object_mask
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);
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sci_base_subject_attach_observer(
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&the_state_machine->parent, &this_observer->parent.parent
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);
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}
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/**
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* This is a helper function that will detach this observer from the state
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* machine that is being observerd.
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*
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* @param[in] this_observer This is the observer to detach from the state
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* machine.
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* @parame[in] the_state_machine This is the state machine that is no longer
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* going to be observed.
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*
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* @return Nothing
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*/
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void sci_base_state_machine_logger_deinitialize(
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SCI_BASE_STATE_MACHINE_LOGGER_T * this_observer,
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SCI_BASE_STATE_MACHINE_T * the_state_machine
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)
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{
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sci_base_subject_detach_observer(
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&the_state_machine->parent, &this_observer->parent.parent
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);
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}
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#endif // defined(SCI_LOGGING)
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