diff options
Diffstat (limited to 'drivers/s390/cio/orb.h')
-rw-r--r-- | drivers/s390/cio/orb.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/s390/cio/orb.h b/drivers/s390/cio/orb.h new file mode 100644 index 000000000000..45a9865c2b36 --- /dev/null +++ b/drivers/s390/cio/orb.h | |||
@@ -0,0 +1,67 @@ | |||
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 | |||
62 | union orb { | ||
63 | struct cmd_orb cmd; | ||
64 | struct tm_orb tm; | ||
65 | } __packed __aligned(4); | ||
66 | |||
67 | #endif /* S390_ORB_H */ | ||