/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright IBM Corp. 2006
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* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
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*/
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#ifndef __S390_STP_H
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#define __S390_STP_H
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/* notifier for syncs */
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extern struct atomic_notifier_head s390_epoch_delta_notifier;
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/* STP interruption parameter */
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struct stp_irq_parm {
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unsigned int _pad0 : 14;
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unsigned int tsc : 1; /* Timing status change */
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unsigned int lac : 1; /* Link availability change */
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unsigned int tcpc : 1; /* Time control parameter change */
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unsigned int _pad2 : 15;
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} __attribute__ ((packed));
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#define STP_OP_SYNC 1
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#define STP_OP_CTRL 3
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struct stp_sstpi {
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unsigned int rsvd0;
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unsigned int rsvd1 : 8;
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unsigned int stratum : 8;
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unsigned int vbits : 16;
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unsigned int leaps : 16;
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unsigned int tmd : 4;
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unsigned int ctn : 4;
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unsigned int rsvd2 : 3;
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unsigned int c : 1;
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unsigned int tst : 4;
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unsigned int tzo : 16;
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unsigned int dsto : 16;
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unsigned int ctrl : 16;
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unsigned int rsvd3 : 16;
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unsigned int tto;
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unsigned int rsvd4;
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unsigned int ctnid[3];
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unsigned int rsvd5;
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unsigned int todoff[4];
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unsigned int rsvd6[48];
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} __attribute__ ((packed));
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/* Functions needed by the machine check handler */
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int stp_sync_check(void);
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int stp_island_check(void);
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void stp_queue_work(void);
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#endif /* __S390_STP_H */
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