linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Driver for s390 eadm subchannels

 *

 * Copyright IBM Corp. 2012

 * Author(s): Sebastian Ott <sebott@linux.vnet.ibm.com>

 */

​

#include <linux/kernel_stat.h>

#include <linux/completion.h>

#include <linux/workqueue.h>

#include <linux/spinlock.h>

#include <linux/device.h>

#include <linux/module.h>

#include <linux/timer.h>

#include <linux/slab.h>

#include <linux/list.h>

​

#include <asm/css_chars.h>

#include <asm/debug.h>

#include <asm/isc.h>

#include <asm/cio.h>

#include <asm/scsw.h>

#include <asm/eadm.h>

​

#include "eadm_sch.h"

#include "ioasm.h"

#include "cio.h"

#include "css.h"

#include "orb.h"

​

MODULE_DESCRIPTION("driver for s390 eadm subchannels");

MODULE_LICENSE("GPL");

​

#define EADM_TIMEOUT (7 * HZ)

static DEFINE_SPINLOCK(list_lock);

static LIST_HEAD(eadm_list);

​

static debug_info_t *eadm_debug;

​

#define EADM_LOG(imp, txt) do {                 \

        debug_text_event(eadm_debug, imp, txt);     \

    } while (0)

​

static void EADM_LOG_HEX(int level, void *data, int length)

{

    debug_event(eadm_debug, level, data, length);

}

​

static void orb_init(union orb *orb)

{

    memset(orb, 0, sizeof(union orb));

    orb->eadm.compat1 = 1;

    orb->eadm.compat2 = 1;

    orb->eadm.fmt = 1;

    orb->eadm.x = 1;

}

​

static int eadm_subchannel_start(struct subchannel *sch, struct aob *aob)

{

    union orb *orb = &get_eadm_private(sch)->orb;

    int cc;

​