Commit | Line | Data |
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9e6f9f85 SO |
1 | /* |
2 | * Orb related data structures. | |
3 | * | |
4 | * Copyright IBM Corp. 2007, 2011 | |
5 | * | |
6 | * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> | |
7 | * Peter Oberparleiter <peter.oberparleiter@de.ibm.com> | |
8 | * Sebastian Ott <sebott@linux.vnet.ibm.com> | |
9 | */ | |
10 | ||
11 | #ifndef S390_ORB_H | |
12 | #define S390_ORB_H | |
13 | ||
14 | /* | |
15 | * Command-mode operation request block | |
16 | */ | |
17 | struct cmd_orb { | |
18 | u32 intparm; /* interruption parameter */ | |
19 | u32 key:4; /* flags, like key, suspend control, etc. */ | |
20 | u32 spnd:1; /* suspend control */ | |
21 | u32 res1:1; /* reserved */ | |
22 | u32 mod:1; /* modification control */ | |
23 | u32 sync:1; /* synchronize control */ | |
24 | u32 fmt:1; /* format control */ | |
25 | u32 pfch:1; /* prefetch control */ | |
26 | u32 isic:1; /* initial-status-interruption control */ | |
27 | u32 alcc:1; /* address-limit-checking control */ | |
28 | u32 ssic:1; /* suppress-suspended-interr. control */ | |
29 | u32 res2:1; /* reserved */ | |
30 | u32 c64:1; /* IDAW/QDIO 64 bit control */ | |
31 | u32 i2k:1; /* IDAW 2/4kB block size control */ | |
32 | u32 lpm:8; /* logical path mask */ | |
33 | u32 ils:1; /* incorrect length */ | |
34 | u32 zero:6; /* reserved zeros */ | |
35 | u32 orbx:1; /* ORB extension control */ | |
36 | u32 cpa; /* channel program address */ | |
37 | } __packed __aligned(4); | |
38 | ||
39 | /* | |
40 | * Transport-mode operation request block | |
41 | */ | |
42 | struct tm_orb { | |
43 | u32 intparm; | |
44 | u32 key:4; | |
45 | u32:9; | |
46 | u32 b:1; | |
47 | u32:2; | |
48 | u32 lpm:8; | |
49 | u32:7; | |
50 | u32 x:1; | |
51 | u32 tcw; | |
52 | u32 prio:8; | |
53 | u32:8; | |
54 | u32 rsvpgm:8; | |
55 | u32:8; | |
56 | u32:32; | |
57 | u32:32; | |
58 | u32:32; | |
59 | u32:32; | |
60 | } __packed __aligned(4); | |
61 | ||
d2fc439b SO |
62 | /* |
63 | * eadm operation request block | |
64 | */ | |
65 | struct eadm_orb { | |
66 | u32 intparm; | |
67 | u32 key:4; | |
68 | u32:4; | |
69 | u32 compat1:1; | |
70 | u32 compat2:1; | |
71 | u32:21; | |
72 | u32 x:1; | |
73 | u32 aob; | |
74 | u32 css_prio:8; | |
75 | u32:8; | |
76 | u32 scm_prio:8; | |
77 | u32:8; | |
78 | u32:29; | |
79 | u32 fmt:3; | |
80 | u32:32; | |
81 | u32:32; | |
82 | u32:32; | |
83 | } __packed __aligned(4); | |
84 | ||
9e6f9f85 SO |
85 | union orb { |
86 | struct cmd_orb cmd; | |
87 | struct tm_orb tm; | |
d2fc439b | 88 | struct eadm_orb eadm; |
9e6f9f85 SO |
89 | } __packed __aligned(4); |
90 | ||
91 | #endif /* S390_ORB_H */ |