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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
fd5ada04 MS |
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 */ |