linux-imx

/*

 *    Disk Array driver for HP Smart Array SAS controllers

 *    Copyright 2016 Microsemi Corporation

 *    Copyright 2014-2015 PMC-Sierra, Inc.

 *    Copyright 2000,2009-2015 Hewlett-Packard Development Company, L.P.

 *

 *    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; version 2 of the License.

 *

 *    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, GOOD TITLE or

 *    NON INFRINGEMENT.  See the GNU General Public License for more details.

 *

 *    Questions/Comments/Bugfixes to esc.storagedev@microsemi.com

 *

 */

​

#include <linux/module.h>

#include <linux/interrupt.h>

#include <linux/types.h>

#include <linux/pci.h>

#include <linux/pci-aspm.h>

#include <linux/kernel.h>

#include <linux/slab.h>

#include <linux/delay.h>

#include <linux/fs.h>

#include <linux/timer.h>

#include <linux/init.h>

#include <linux/spinlock.h>

#include <linux/compat.h>

#include <linux/blktrace_api.h>

#include <linux/uaccess.h>

#include <linux/io.h>

#include <linux/dma-mapping.h>

#include <linux/completion.h>

#include <linux/moduleparam.h>

#include <scsi/scsi.h>

#include <scsi/scsi_cmnd.h>

#include <scsi/scsi_device.h>

#include <scsi/scsi_host.h>

#include <scsi/scsi_tcq.h>

#include <scsi/scsi_eh.h>

#include <scsi/scsi_transport_sas.h>

#include <scsi/scsi_dbg.h>

#include <linux/cciss_ioctl.h>

#include <linux/string.h>

#include <linux/bitmap.h>

#include <linux/atomic.h>

#include <linux/jiffies.h>

#include <linux/percpu-defs.h>

#include <linux/percpu.h>

#include <asm/unaligned.h>

#include <asm/div64.h>

#include "hpsa_cmd.h"

#include "hpsa.h"

​

/*

 * HPSA_DRIVER_VERSION must be 3 byte values (0-255) separated by '.'

 * with an optional trailing '-' followed by a byte value (0-255).

 */

#define HPSA_DRIVER_VERSION "3.4.20-125"

#define DRIVER_NAME "HP HPSA Driver (v " HPSA_DRIVER_VERSION ")"

#define HPSA "hpsa"

​

/* How long to wait for CISS doorbell communication */

#define CLEAR_EVENT_WAIT_INTERVAL 20    /* ms for each msleep() call */

#define MODE_CHANGE_WAIT_INTERVAL 10    /* ms for each msleep() call */

#define MAX_CLEAR_EVENT_WAIT 30000  /* times 20 ms = 600 s */

#define MAX_MODE_CHANGE_WAIT 2000   /* times 10 ms = 20 s */

#define MAX_IOCTL_CONFIG_WAIT 1000

​

/*define how many times we will try a command because of bus resets */

#define MAX_CMD_RETRIES 3

​

/* Embedded module documentation macros - see modules.h */

MODULE_AUTHOR("Hewlett-Packard Company");

MODULE_DESCRIPTION("Driver for HP Smart Array Controller version " \

    HPSA_DRIVER_VERSION);

MODULE_SUPPORTED_DEVICE("HP Smart Array Controllers");

MODULE_VERSION(HPSA_DRIVER_VERSION);

MODULE_LICENSE("GPL");

MODULE_ALIAS("cciss");

​

static int hpsa_simple_mode;

module_param(hpsa_simple_mode, int, S_IRUGO|S_IWUSR);

MODULE_PARM_DESC(hpsa_simple_mode,

    "Use 'simple mode' rather than 'performant mode'");

​

/* define the PCI info for the cards we can control */

static const struct pci_device_id hpsa_pci_device_id[] = {