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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 | ||
bb7d066a SS |
9 | #include <linux/compiler.h> |
10 | ||
fd5ada04 MS |
11 | /* notifier for syncs */ |
12 | extern struct atomic_notifier_head s390_epoch_delta_notifier; | |
13 | ||
14 | /* STP interruption parameter */ | |
15 | struct stp_irq_parm { | |
4ab79ed2 SS |
16 | u32 : 14; |
17 | u32 tsc : 1; /* Timing status change */ | |
18 | u32 lac : 1; /* Link availability change */ | |
19 | u32 tcpc : 1; /* Time control parameter change */ | |
20 | u32 : 15; | |
bb7d066a | 21 | } __packed; |
fd5ada04 MS |
22 | |
23 | #define STP_OP_SYNC 1 | |
24 | #define STP_OP_CTRL 3 | |
25 | ||
26 | struct stp_sstpi { | |
4ab79ed2 | 27 | u32 : 32; |
b2539aa0 SS |
28 | u32 tu : 1; |
29 | u32 lu : 1; | |
30 | u32 : 6; | |
4ab79ed2 SS |
31 | u32 stratum : 8; |
32 | u32 vbits : 16; | |
33 | u32 leaps : 16; | |
34 | u32 tmd : 4; | |
35 | u32 ctn : 4; | |
36 | u32 : 3; | |
37 | u32 c : 1; | |
38 | u32 tst : 4; | |
39 | u32 tzo : 16; | |
40 | u32 dsto : 16; | |
41 | u32 ctrl : 16; | |
42 | u32 : 16; | |
43 | u32 tto; | |
44 | u32 : 32; | |
45 | u32 ctnid[3]; | |
46 | u32 : 32; | |
03780c83 SS |
47 | u64 todoff; |
48 | u32 rsvd[50]; | |
bb7d066a | 49 | } __packed; |
fd5ada04 | 50 | |
b2539aa0 SS |
51 | struct stp_tzib { |
52 | u32 tzan : 16; | |
53 | u32 : 16; | |
54 | u32 tzo : 16; | |
55 | u32 dsto : 16; | |
56 | u32 stn; | |
57 | u32 dstn; | |
58 | u64 dst_on_alg; | |
59 | u64 dst_off_alg; | |
60 | } __packed; | |
61 | ||
62 | struct stp_tcpib { | |
63 | u32 atcode : 4; | |
64 | u32 ntcode : 4; | |
65 | u32 d : 1; | |
66 | u32 : 23; | |
67 | s32 tto; | |
68 | struct stp_tzib atzib; | |
69 | struct stp_tzib ntzib; | |
70 | s32 adst_offset : 16; | |
71 | s32 ndst_offset : 16; | |
72 | u32 rsvd1; | |
73 | u64 ntzib_update; | |
74 | u64 ndsto_update; | |
75 | } __packed; | |
76 | ||
77 | struct stp_lsoib { | |
78 | u32 p : 1; | |
79 | u32 : 31; | |
80 | s32 also : 16; | |
81 | s32 nlso : 16; | |
82 | u64 nlsout; | |
83 | } __packed; | |
84 | ||
85 | struct stp_stzi { | |
86 | u32 rsvd0[3]; | |
87 | u64 data_ts; | |
88 | u32 rsvd1[22]; | |
89 | struct stp_tcpib tcpib; | |
90 | struct stp_lsoib lsoib; | |
91 | } __packed; | |
92 | ||
fd5ada04 MS |
93 | /* Functions needed by the machine check handler */ |
94 | int stp_sync_check(void); | |
95 | int stp_island_check(void); | |
96 | void stp_queue_work(void); | |
97 | ||
98 | #endif /* __S390_STP_H */ |