]> Git Repo - J-linux.git/blob - drivers/s390/cio/orb.h
Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / drivers / s390 / cio / orb.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Orb related data structures.
4  *
5  * Copyright IBM Corp. 2007, 2011
6  *
7  * Author(s): Cornelia Huck <[email protected]>
8  *            Peter Oberparleiter <[email protected]>
9  *            Sebastian Ott <[email protected]>
10  */
11
12 #ifndef S390_ORB_H
13 #define S390_ORB_H
14
15 #include <linux/types.h>
16 #include <asm/dma-types.h>
17
18 /*
19  * Command-mode operation request block
20  */
21 struct cmd_orb {
22         u32 intparm;    /* interruption parameter */
23         u32 key:4;      /* flags, like key, suspend control, etc. */
24         u32 spnd:1;     /* suspend control */
25         u32 res1:1;     /* reserved */
26         u32 mod:1;      /* modification control */
27         u32 sync:1;     /* synchronize control */
28         u32 fmt:1;      /* format control */
29         u32 pfch:1;     /* prefetch control */
30         u32 isic:1;     /* initial-status-interruption control */
31         u32 alcc:1;     /* address-limit-checking control */
32         u32 ssic:1;     /* suppress-suspended-interr. control */
33         u32 res2:1;     /* reserved */
34         u32 c64:1;      /* IDAW/QDIO 64 bit control  */
35         u32 i2k:1;      /* IDAW 2/4kB block size control */
36         u32 lpm:8;      /* logical path mask */
37         u32 ils:1;      /* incorrect length */
38         u32 zero:6;     /* reserved zeros */
39         u32 orbx:1;     /* ORB extension control */
40         dma32_t cpa;    /* channel program address */
41 }  __packed __aligned(4);
42
43 /*
44  * Transport-mode operation request block
45  */
46 struct tm_orb {
47         u32 intparm;
48         u32 key:4;
49         u32:9;
50         u32 b:1;
51         u32:2;
52         u32 lpm:8;
53         u32:7;
54         u32 x:1;
55         dma32_t tcw;
56         u32 prio:8;
57         u32:8;
58         u32 rsvpgm:8;
59         u32:8;
60         u32:32;
61         u32:32;
62         u32:32;
63         u32:32;
64 }  __packed __aligned(4);
65
66 /*
67  * eadm operation request block
68  */
69 struct eadm_orb {
70         u32 intparm;
71         u32 key:4;
72         u32:4;
73         u32 compat1:1;
74         u32 compat2:1;
75         u32:21;
76         u32 x:1;
77         dma32_t aob;
78         u32 css_prio:8;
79         u32:8;
80         u32 scm_prio:8;
81         u32:8;
82         u32:29;
83         u32 fmt:3;
84         u32:32;
85         u32:32;
86         u32:32;
87 }  __packed __aligned(4);
88
89 union orb {
90         struct cmd_orb cmd;
91         struct tm_orb tm;
92         struct eadm_orb eadm;
93 }  __packed __aligned(4);
94
95 #endif /* S390_ORB_H */
This page took 0.029721 seconds and 4 git commands to generate.