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

   1/*
   2 *  Copyright IBM Corp. 2006
   3 *  Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
   4 */
   5#ifndef __S390_STP_H
   6#define __S390_STP_H
   7
   8/* notifier for syncs */
   9extern struct atomic_notifier_head s390_epoch_delta_notifier;
  10
  11/* STP interruption parameter */
  12struct stp_irq_parm {
  13        unsigned int _pad0      : 14;
  14        unsigned int tsc        : 1;    /* Timing status change */
  15        unsigned int lac        : 1;    /* Link availability change */
  16        unsigned int tcpc       : 1;    /* Time control parameter change */
  17        unsigned int _pad2      : 15;
  18} __attribute__ ((packed));
  19
  20#define STP_OP_SYNC     1
  21#define STP_OP_CTRL     3
  22
  23struct stp_sstpi {
  24        unsigned int rsvd0;
  25        unsigned int rsvd1 : 8;
  26        unsigned int stratum : 8;
  27        unsigned int vbits : 16;
  28        unsigned int leaps : 16;
  29        unsigned int tmd : 4;
  30        unsigned int ctn : 4;
  31        unsigned int rsvd2 : 3;
  32        unsigned int c : 1;
  33        unsigned int tst : 4;
  34        unsigned int tzo : 16;
  35        unsigned int dsto : 16;
  36        unsigned int ctrl : 16;
  37        unsigned int rsvd3 : 16;
  38        unsigned int tto;
  39        unsigned int rsvd4;
  40        unsigned int ctnid[3];
  41        unsigned int rsvd5;
  42        unsigned int todoff[4];
  43        unsigned int rsvd6[48];
  44} __attribute__ ((packed));
  45
  46/* Functions needed by the machine check handler */
  47int stp_sync_check(void);
  48int stp_island_check(void);
  49void stp_queue_work(void);
  50
  51#endif /* __S390_STP_H */
  52