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 */
   9 extern struct atomic_notifier_head s390_epoch_delta_notifier;
  10
  11 /* STP interruption parameter */
  12 struct 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
  23 struct 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 */
  47 int stp_sync_check(void);
  48 int stp_island_check(void);
  49 void stp_queue_work(void);
  50
  51 #endif /* __S390_STP_H */