Esempio n. 1
0
/**
 * Close an interface.
 * Called from generic network layer when ifconfig down is run.
 *
 *  dev		Pointer to interface struct.
 *
 * returns 0 on success, -ERRNO on failure. (Never fails.)
 */
int ctcm_close(struct net_device *dev)
{
	struct ctcm_priv *priv = dev->ml_priv;

	CTCMY_DBF_DEV_NAME(SETUP, dev, "");
	if (!IS_MPC(priv))
		fsm_event(priv->fsm, DEV_EVENT_STOP, dev);
	return 0;
}
void Start_fsm_managerTask(void const * argument)
{
  osEvent event;
  fsm_event_f fsm_event;

  /* Initialize FSM */
  fsm_client_init(&fsm);

  /* Infinite loop */
  for(;;)
  {
    /* Get fsm event */
    event = osMailGet(queue_fsm_eventsHandle, osWaitForever);
    if (event.status == osEventMail)
    {
      /* Retrieve event function */
      fsm_event = *((fsm_event_f *) event.value.v);

      /* Trigger event */
      fsm_event(&fsm);
    }
  }
}
Esempio n. 3
0
static void ctcmpc_send_sweep_req(struct channel *rch)
{
	struct net_device *dev = rch->netdev;
	struct ctcm_priv *priv;
	struct mpc_group *grp;
	struct th_sweep *header;
	struct sk_buff *sweep_skb;
	struct channel *ch;
	/* int rc = 0; */

	priv = dev->ml_priv;
	grp = priv->mpcg;
	ch = priv->channel[WRITE];

	/* sweep processing is not complete until response and request */
	/* has completed for all read channels in group		       */
	if (grp->in_sweep == 0) {
		grp->in_sweep = 1;
		grp->sweep_rsp_pend_num = grp->active_channels[READ];
		grp->sweep_req_pend_num = grp->active_channels[READ];
	}

	sweep_skb = __dev_alloc_skb(MPC_BUFSIZE_DEFAULT, GFP_ATOMIC|GFP_DMA);

	if (sweep_skb == NULL)	{
		/* rc = -ENOMEM; */
				goto nomem;
	}

	header = kmalloc(TH_SWEEP_LENGTH, gfp_type());

	if (!header) {
		dev_kfree_skb_any(sweep_skb);
		/* rc = -ENOMEM; */
				goto nomem;
	}

	header->th.th_seg	= 0x00 ;
	header->th.th_ch_flag	= TH_SWEEP_REQ;  /* 0x0f */
	header->th.th_blk_flag	= 0x00;
	header->th.th_is_xid	= 0x00;
	header->th.th_seq_num	= 0x00;
	header->sw.th_last_seq	= ch->th_seq_num;

	memcpy(skb_put(sweep_skb, TH_SWEEP_LENGTH), header, TH_SWEEP_LENGTH);

	kfree(header);

	dev->trans_start = jiffies;
	skb_queue_tail(&ch->sweep_queue, sweep_skb);

	fsm_addtimer(&ch->sweep_timer, 100, CTC_EVENT_RSWEEP_TIMER, ch);

	return;

nomem:
	grp->in_sweep = 0;
	ctcm_clear_busy(dev);
	fsm_event(grp->fsm, MPCG_EVENT_INOP, dev);

	return;
}
Esempio n. 4
0
/**
 * Check sense of a unit check.
 *
 *  ch		The channel, the sense code belongs to.
 *  sense	The sense code to inspect.
 */
static inline void ccw_unit_check(struct channel *ch, __u8 sense)
{
	CTCM_DBF_TEXT_(TRACE, CTC_DBF_DEBUG,
			"%s(%s): %02x",
				CTCM_FUNTAIL, ch->id, sense);

	if (sense & SNS0_INTERVENTION_REQ) {
		if (sense & 0x01) {
			if (ch->sense_rc != 0x01) {
				pr_notice(
					"%s: The communication peer has "
					"disconnected\n", ch->id);
				ch->sense_rc = 0x01;
			}
			fsm_event(ch->fsm, CTC_EVENT_UC_RCRESET, ch);
		} else {
			if (ch->sense_rc != SNS0_INTERVENTION_REQ) {
				pr_notice(
					"%s: The remote operating system is "
					"not available\n", ch->id);
				ch->sense_rc = SNS0_INTERVENTION_REQ;
			}
			fsm_event(ch->fsm, CTC_EVENT_UC_RSRESET, ch);
		}
	} else if (sense & SNS0_EQUIPMENT_CHECK) {
		if (sense & SNS0_BUS_OUT_CHECK) {
			if (ch->sense_rc != SNS0_BUS_OUT_CHECK) {
				CTCM_DBF_TEXT_(TRACE, CTC_DBF_WARN,
					"%s(%s): remote HW error %02x",
						CTCM_FUNTAIL, ch->id, sense);
				ch->sense_rc = SNS0_BUS_OUT_CHECK;
			}
			fsm_event(ch->fsm, CTC_EVENT_UC_HWFAIL, ch);
		} else {
			if (ch->sense_rc != SNS0_EQUIPMENT_CHECK) {
				CTCM_DBF_TEXT_(TRACE, CTC_DBF_WARN,
					"%s(%s): remote read parity error %02x",
						CTCM_FUNTAIL, ch->id, sense);
				ch->sense_rc = SNS0_EQUIPMENT_CHECK;
			}
			fsm_event(ch->fsm, CTC_EVENT_UC_RXPARITY, ch);
		}
	} else if (sense & SNS0_BUS_OUT_CHECK) {
		if (ch->sense_rc != SNS0_BUS_OUT_CHECK) {
			CTCM_DBF_TEXT_(TRACE, CTC_DBF_WARN,
				"%s(%s): BUS OUT error %02x",
					CTCM_FUNTAIL, ch->id, sense);
			ch->sense_rc = SNS0_BUS_OUT_CHECK;
		}
		if (sense & 0x04)	/* data-streaming timeout */
			fsm_event(ch->fsm, CTC_EVENT_UC_TXTIMEOUT, ch);
		else			/* Data-transfer parity error */
			fsm_event(ch->fsm, CTC_EVENT_UC_TXPARITY, ch);
	} else if (sense & SNS0_CMD_REJECT) {
		if (ch->sense_rc != SNS0_CMD_REJECT) {
			CTCM_DBF_TEXT_(TRACE, CTC_DBF_WARN,
				"%s(%s): Command rejected",
						CTCM_FUNTAIL, ch->id);
			ch->sense_rc = SNS0_CMD_REJECT;
		}
	} else if (sense == 0) {
		CTCM_DBF_TEXT_(TRACE, CTC_DBF_WARN,
			"%s(%s): Unit check ZERO",
					CTCM_FUNTAIL, ch->id);
		fsm_event(ch->fsm, CTC_EVENT_UC_ZERO, ch);
	} else {
		CTCM_DBF_TEXT_(TRACE, CTC_DBF_WARN,
			"%s(%s): Unit check code %02x unknown",
					CTCM_FUNTAIL, ch->id, sense);
		fsm_event(ch->fsm, CTC_EVENT_UC_UNKNOWN, ch);
	}
}