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Diffstat (limited to 'drivers/scsi/isci/timers.h')
| -rw-r--r-- | drivers/scsi/isci/timers.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/drivers/scsi/isci/timers.h b/drivers/scsi/isci/timers.h new file mode 100644 index 000000000000..ca5c2159a1c2 --- /dev/null +++ b/drivers/scsi/isci/timers.h @@ -0,0 +1,126 @@ +/* + * 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. + */ + +#if !defined(_SCI_TIMER_H_) +#define _SCI_TIMER_H_ + +#include <linux/timer.h> +#include <linux/types.h> + +/*************************************************** + * isci_timer + *************************************************** + */ +/** + * struct isci_timer_list - This class is the container for all isci_timer + * objects + * + * + */ +struct isci_timer_list { + + struct list_head timers; +}; + +/** + * struct isci_timer - This class represents the timer object used by SCIC. It + * wraps the Linux timer_list object. + * + * + */ +struct isci_timer { + int used; + int stopped; + int restart; + int timeout_value; + void *cookie; + void (*timer_callback)(void *); + struct list_head node; + struct timer_list timer; + struct isci_timer_list *parent; + struct isci_host *isci_host; +}; + +#define to_isci_timer(t) \ + container_of(t, struct isci_timer, timer); + +int isci_timer_list_construct( + struct isci_timer_list *isci_timer_list, + int timer_list_size); + + +int isci_timer_list_destroy( + struct isci_timer_list *isci_timer_list); + +struct isci_timer *isci_timer_create( + struct isci_timer_list *isci_timer_list, + struct isci_host *isci_host, + void *cookie, + void (*timer_callback)(void *)); + +void isci_timer_free( + struct isci_timer_list *isci_timer_list, + struct isci_timer *isci_timer); + +void isci_timer_start( + struct isci_timer *isci_timer, + unsigned long timeout); + +void isci_timer_stop( + struct isci_timer *isci_timer); + + +#endif /* !defined (_SCI_TIMER_H_) */ + |