linux-imx

/*

 *  Linux MegaRAID driver for SAS based RAID controllers

 *

 *  Copyright (c) 2009-2013  LSI Corporation

 *  Copyright (c) 2013-2016  Avago Technologies

 *  Copyright (c) 2016-2018  Broadcom Inc.

 *

 *  This program is free software; you can redistribute it and/or

 *  modify it under the terms of the GNU General Public License

 *  as published by the Free Software Foundation; either version 2

 *  of the License, or (at your option) any later version.

 *

 *  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, see <http://www.gnu.org/licenses/>.

 *

 *  FILE: megaraid_sas_fp.c

 *

 *  Authors: Broadcom Inc.

 *           Sumant Patro

 *           Varad Talamacki

 *           Manoj Jose

 *           Kashyap Desai <kashyap.desai@broadcom.com>

 *           Sumit Saxena <sumit.saxena@broadcom.com>

 *

 *  Send feedback to: megaraidlinux.pdl@broadcom.com

 */

​

#include <linux/kernel.h>

#include <linux/types.h>

#include <linux/pci.h>

#include <linux/list.h>

#include <linux/moduleparam.h>

#include <linux/module.h>

#include <linux/spinlock.h>

#include <linux/interrupt.h>

#include <linux/delay.h>

#include <linux/uio.h>

#include <linux/uaccess.h>

#include <linux/fs.h>

#include <linux/compat.h>

#include <linux/blkdev.h>

#include <linux/poll.h>

​

#include <scsi/scsi.h>

#include <scsi/scsi_cmnd.h>

#include <scsi/scsi_device.h>

#include <scsi/scsi_host.h>

​

#include "megaraid_sas_fusion.h"

#include "megaraid_sas.h"

#include <asm/div64.h>

​

#define LB_PENDING_CMDS_DEFAULT 4

static unsigned int lb_pending_cmds = LB_PENDING_CMDS_DEFAULT;

module_param(lb_pending_cmds, int, S_IRUGO);

MODULE_PARM_DESC(lb_pending_cmds, "Change raid-1 load balancing outstanding "

    "threshold. Valid Values are 1-128. Default: 4");

​