linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright IBM Corp. 2001, 2007

 * Authors: Fritz Elfert (felfert@millenux.com)

 *      Peter Tiedemann (ptiedem@de.ibm.com)

 *  MPC additions :

 *      Belinda Thompson (belindat@us.ibm.com)

 *      Andy Richter (richtera@us.ibm.com)

 */

​

#undef DEBUG

#undef DEBUGDATA

#undef DEBUGCCW

​

#define KMSG_COMPONENT "ctcm"

#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

​

#include <linux/module.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/slab.h>

#include <linux/errno.h>

#include <linux/types.h>

#include <linux/interrupt.h>

#include <linux/timer.h>

#include <linux/bitops.h>

​

#include <linux/signal.h>

#include <linux/string.h>

​

#include <linux/ip.h>

#include <linux/if_arp.h>

#include <linux/tcp.h>

#include <linux/skbuff.h>

#include <linux/ctype.h>

#include <net/dst.h>

​

#include <linux/io.h>

#include <asm/ccwdev.h>

#include <asm/ccwgroup.h>

#include <linux/uaccess.h>

​

#include <asm/idals.h>

​

#include "fsm.h"

​

#include "ctcm_dbug.h"

#include "ctcm_main.h"

#include "ctcm_fsms.h"

​

const char *dev_state_names[] = {

    [DEV_STATE_STOPPED]     = "Stopped",

    [DEV_STATE_STARTWAIT_RXTX]  = "StartWait RXTX",

    [DEV_STATE_STARTWAIT_RX]    = "StartWait RX",

    [DEV_STATE_STARTWAIT_TX]    = "StartWait TX",

    [DEV_STATE_STOPWAIT_RXTX]   = "StopWait RXTX",

    [DEV_STATE_STOPWAIT_RX]     = "StopWait RX",

    [DEV_STATE_STOPWAIT_TX]     = "StopWait TX",

    [DEV_STATE_RUNNING]     = "Running",

};

​

const char *dev_event_names[] = {

    [DEV_EVENT_START]   = "Start",

    [DEV_EVENT_STOP]    = "Stop",

    [DEV_EVENT_RXUP]    = "RX up",

    [DEV_EVENT_TXUP]    = "TX up",

    [DEV_EVENT_RXDOWN]  = "RX down",

    [DEV_EVENT_TXDOWN]  = "TX down",

    [DEV_EVENT_RESTART] = "Restart",

};

​

const char *ctc_ch_event_names[] = {

    [CTC_EVENT_IO_SUCCESS]  = "ccw_device success",

    [CTC_EVENT_IO_EBUSY]    = "ccw_device busy",

    [CTC_EVENT_IO_ENODEV]   = "ccw_device enodev",

    [CTC_EVENT_IO_UNKNOWN]  = "ccw_device unknown",

    [CTC_EVENT_ATTNBUSY]    = "Status ATTN & BUSY",

    [CTC_EVENT_ATTN]    = "Status ATTN",

    [CTC_EVENT_BUSY]    = "Status BUSY",

    [CTC_EVENT_UC_RCRESET]  = "Unit check remote reset",

    [CTC_EVENT_UC_RSRESET]  = "Unit check remote system reset",

    [CTC_EVENT_UC_TXTIMEOUT] = "Unit check TX timeout",

    [CTC_EVENT_UC_TXPARITY] = "Unit check TX parity",

    [CTC_EVENT_UC_HWFAIL]   = "Unit check Hardware failure",

    [CTC_EVENT_UC_RXPARITY] = "Unit check RX parity",

    [CTC_EVENT_UC_ZERO] = "Unit check ZERO",

    [CTC_EVENT_UC_UNKNOWN]  = "Unit check Unknown",

    [CTC_EVENT_SC_UNKNOWN]  = "SubChannel check Unknown",

    [CTC_EVENT_MC_FAIL] = "Machine check failure",

    [CTC_EVENT_MC_GOOD] = "Machine check operational",

    [CTC_EVENT_IRQ]     = "IRQ normal",

    [CTC_EVENT_FINSTAT] = "IRQ final",