| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Copyright IBM Corp. 2006 |
| 4 | * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) |
| 5 | */ |
| 6 | #ifndef __S390_STP_H |
| 7 | #define __S390_STP_H |
| 8 | |
| 9 | /* notifier for syncs */ |
| 10 | extern struct atomic_notifier_head s390_epoch_delta_notifier; |
| 11 | |
| 12 | /* STP interruption parameter */ |
| 13 | struct stp_irq_parm { |
| 14 | unsigned int _pad0 : 14; |
| 15 | unsigned int tsc : 1; /* Timing status change */ |
| 16 | unsigned int lac : 1; /* Link availability change */ |
| 17 | unsigned int tcpc : 1; /* Time control parameter change */ |
| 18 | unsigned int _pad2 : 15; |
| 19 | } __attribute__ ((packed)); |
| 20 | |
| 21 | #define STP_OP_SYNC 1 |
| 22 | #define STP_OP_CTRL 3 |
| 23 | |
| 24 | struct stp_sstpi { |
| 25 | unsigned int rsvd0; |
| 26 | unsigned int rsvd1 : 8; |
| 27 | unsigned int stratum : 8; |
| 28 | unsigned int vbits : 16; |
| 29 | unsigned int leaps : 16; |
| 30 | unsigned int tmd : 4; |
| 31 | unsigned int ctn : 4; |
| 32 | unsigned int rsvd2 : 3; |
| 33 | unsigned int c : 1; |
| 34 | unsigned int tst : 4; |
| 35 | unsigned int tzo : 16; |
| 36 | unsigned int dsto : 16; |
| 37 | unsigned int ctrl : 16; |
| 38 | unsigned int rsvd3 : 16; |
| 39 | unsigned int tto; |
| 40 | unsigned int rsvd4; |
| 41 | unsigned int ctnid[3]; |
| 42 | unsigned int rsvd5; |
| 43 | unsigned int todoff[4]; |
| 44 | unsigned int rsvd6[48]; |
| 45 | } __attribute__ ((packed)); |
| 46 | |
| 47 | /* Functions needed by the machine check handler */ |
| 48 | int stp_sync_check(void); |
| 49 | int stp_island_check(void); |
| 50 | void stp_queue_work(void); |
| 51 | |
| 52 | #endif /* __S390_STP_H */ |