| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * 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 */ |