linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright IBM Corp. 2016

 * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>

 *

 * Adjunct processor bus, card related code.

 */

​

#define KMSG_COMPONENT "ap"

#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

​

#include <linux/init.h>

#include <linux/slab.h>

#include <asm/facility.h>

​

#include "ap_bus.h"

​

/*

 * AP card related attributes.

 */

static ssize_t hwtype_show(struct device *dev,

               struct device_attribute *attr, char *buf)

{

    struct ap_card *ac = to_ap_card(dev);

​

    return snprintf(buf, PAGE_SIZE, "%d\n", ac->ap_dev.device_type);

}

​

static DEVICE_ATTR_RO(hwtype);

​

static ssize_t raw_hwtype_show(struct device *dev,

                   struct device_attribute *attr, char *buf)

{

    struct ap_card *ac = to_ap_card(dev);

​

    return snprintf(buf, PAGE_SIZE, "%d\n", ac->raw_hwtype);

}

​

static DEVICE_ATTR_RO(raw_hwtype);

​

static ssize_t depth_show(struct device *dev, struct device_attribute *attr,

              char *buf)

{

    struct ap_card *ac = to_ap_card(dev);

​

    return snprintf(buf, PAGE_SIZE, "%d\n", ac->queue_depth);

}

​

static DEVICE_ATTR_RO(depth);

​

static ssize_t ap_functions_show(struct device *dev,

                 struct device_attribute *attr, char *buf)

{

    struct ap_card *ac = to_ap_card(dev);

​

    return snprintf(buf, PAGE_SIZE, "0x%08X\n", ac->functions);

}

​

static DEVICE_ATTR_RO(ap_functions);

​

static ssize_t request_count_show(struct device *dev,

                  struct device_attribute *attr,

                  char *buf)