1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * ioctl interface for /dev/chsc
4 *
5 * Copyright IBM Corp. 2008, 2012
6 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
7 */
8
9#ifndef _ASM_CHSC_H
10#define _ASM_CHSC_H
11
12#include <linux/types.h>
13#include <linux/ioctl.h>
14#include <asm/chpid.h>
15#include <asm/schid.h>
16
17#define CHSC_SIZE 0x1000
18
19struct chsc_async_header {
20 __u16 length;
21 __u16 code;
22 __u32 cmd_dependend;
23 __u32 key : 4;
24 __u32 : 28;
25 struct subchannel_id sid;
26};
27
28struct chsc_async_area {
29 struct chsc_async_header header;
30 __u8 data[CHSC_SIZE - sizeof(struct chsc_async_header)];
31};
32
33struct chsc_header {
34 __u16 length;
35 __u16 code;
36};
37
38struct chsc_sync_area {
39 struct chsc_header header;
40 __u8 data[CHSC_SIZE - sizeof(struct chsc_header)];
41};
42
43struct chsc_response_struct {
44 __u16 length;
45 __u16 code;
46 __u32 parms;
47 __u8 data[CHSC_SIZE - 2 * sizeof(__u16) - sizeof(__u32)];
48};
49
50struct chsc_chp_cd {
51 struct chp_id chpid;
52 int m;
53 int fmt;
54 struct chsc_response_struct cpcb;
55};
56
57struct chsc_cu_cd {
58 __u16 cun;
59 __u8 cssid;
60 int m;
61 int fmt;
62 struct chsc_response_struct cucb;
63};
64
65struct chsc_sch_cud {
66 struct subchannel_id schid;
67 int fmt;
68 struct chsc_response_struct scub;
69};
70
71struct conf_id {
72 int m;
73 __u8 cssid;
74 __u8 ssid;
75};
76
77struct chsc_conf_info {
78 struct conf_id id;
79 int fmt;
80 struct chsc_response_struct scid;
81};
82
83struct ccl_parm_chpid {
84 int m;
85 struct chp_id chp;
86};
87
88struct ccl_parm_cssids {
89 __u8 f_cssid;
90 __u8 l_cssid;
91};
92
93struct chsc_comp_list {
94 struct {
95 enum {
96 CCL_CU_ON_CHP = 1,
97 CCL_CHP_TYPE_CAP = 2,
98 CCL_CSS_IMG = 4,
99 CCL_CSS_IMG_CONF_CHAR = 5,
100 CCL_IOP_CHP = 6,
101 } ctype;
102 int fmt;
103 struct ccl_parm_chpid chpid;
104 struct ccl_parm_cssids cssids;
105 } req;
106 struct chsc_response_struct sccl;
107};
108
109struct chsc_dcal {
110 struct {
111 enum {
112 DCAL_CSS_IID_PN = 4,
113 } atype;
114 __u32 list_parm[2];
115 int fmt;
116 } req;
117 struct chsc_response_struct sdcal;
118};
119
120struct chsc_cpd_info {
121 struct chp_id chpid;
122 int m;
123 int fmt;
124 int rfmt;
125 int c;
126 struct chsc_response_struct chpdb;
127};
128
129#define CHSC_IOCTL_MAGIC 'c'
130
131#define CHSC_START _IOWR(CHSC_IOCTL_MAGIC, 0x81, struct chsc_async_area)
132#define CHSC_INFO_CHANNEL_PATH _IOWR(CHSC_IOCTL_MAGIC, 0x82, \
133 struct chsc_chp_cd)
134#define CHSC_INFO_CU _IOWR(CHSC_IOCTL_MAGIC, 0x83, struct chsc_cu_cd)
135#define CHSC_INFO_SCH_CU _IOWR(CHSC_IOCTL_MAGIC, 0x84, struct chsc_sch_cud)
136#define CHSC_INFO_CI _IOWR(CHSC_IOCTL_MAGIC, 0x85, struct chsc_conf_info)
137#define CHSC_INFO_CCL _IOWR(CHSC_IOCTL_MAGIC, 0x86, struct chsc_comp_list)
138#define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info)
139#define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal)
140#define CHSC_START_SYNC _IOWR(CHSC_IOCTL_MAGIC, 0x89, struct chsc_sync_area)
141#define CHSC_ON_CLOSE_SET _IOWR(CHSC_IOCTL_MAGIC, 0x8a, struct chsc_async_area)
142#define CHSC_ON_CLOSE_REMOVE _IO(CHSC_IOCTL_MAGIC, 0x8b)
143
144#endif