linux-imx

// SPDX-License-Identifier: GPL-2.0+

/*

 *  Copyright IBM Corp. 2001, 2012

 *  Author(s): Robert Burroughs

 *         Eric Rossman (edrossma@us.ibm.com)

 *         Cornelia Huck <cornelia.huck@de.ibm.com>

 *

 *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)

 *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>

 *                Ralph Wuerthner <rwuerthn@de.ibm.com>

 *  MSGTYPE restruct:         Holger Dengler <hd@linux.vnet.ibm.com>

 */

​

#include <linux/module.h>

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/miscdevice.h>

#include <linux/fs.h>

#include <linux/proc_fs.h>

#include <linux/seq_file.h>

#include <linux/compat.h>

#include <linux/slab.h>

#include <linux/atomic.h>

#include <linux/uaccess.h>

#include <linux/hw_random.h>

#include <linux/debugfs.h>

#include <asm/debug.h>

​

#include "zcrypt_debug.h"

#include "zcrypt_api.h"

​

#include "zcrypt_msgtype6.h"

#include "zcrypt_msgtype50.h"

​

/*

 * Device attributes common for all crypto card devices.

 */

​

static ssize_t type_show(struct device *dev,

             struct device_attribute *attr, char *buf)

{

    struct zcrypt_card *zc = to_ap_card(dev)->private;

​

    return snprintf(buf, PAGE_SIZE, "%s\n", zc->type_string);

}

​

static DEVICE_ATTR_RO(type);

​

static ssize_t online_show(struct device *dev,

               struct device_attribute *attr,

               char *buf)

{

    struct zcrypt_card *zc = to_ap_card(dev)->private;

​

    return snprintf(buf, PAGE_SIZE, "%d\n", zc->online);

}

​

static ssize_t online_store(struct device *dev,

                struct device_attribute *attr,

                const char *buf, size_t count)

{

    struct zcrypt_card *zc = to_ap_card(dev)->private;

    struct zcrypt_queue *zq;