linux/arch/s390/include/asm/stp.h

52 lines
1.2 KiB
C

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