summaryrefslogtreecommitdiffstats
path: root/include/asm-s390/chsc.h
blob: d38d0cf62d4bdd1406f0b23f2fe5811b6586f352 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
/*
 * ioctl interface for /dev/chsc
 *
 * Copyright 2008 IBM Corp.
 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
 */

#ifndef _ASM_CHSC_H
#define _ASM_CHSC_H

#include <asm/chpid.h>
#include <asm/schid.h>

struct chsc_async_header {
	__u16 length;
	__u16 code;
	__u32 cmd_dependend;
	__u32 key : 4;
	__u32 : 28;
	struct subchannel_id sid;
} __attribute__ ((packed));

struct chsc_async_area {
	struct chsc_async_header header;
	__u8 data[PAGE_SIZE - 16 /* size of chsc_async_header */];
} __attribute__ ((packed));


struct chsc_response_struct {
	__u16 length;
	__u16 code;
	__u32 parms;
	__u8 data[PAGE_SIZE - 8];
} __attribute__ ((packed));

struct chsc_chp_cd {
	struct chp_id chpid;
	int m;
	int fmt;
	struct chsc_response_struct cpcb;
};

struct chsc_cu_cd {
	__u16 cun;
	__u8 cssid;
	int m;
	int fmt;
	struct chsc_response_struct cucb;
};

struct chsc_sch_cud {
	struct subchannel_id schid;
	int fmt;
	struct chsc_response_struct scub;
};

struct conf_id {
	int m;
	__u8 cssid;
	__u8 ssid;
};

struct chsc_conf_info {
	struct conf_id id;
	int fmt;
	struct chsc_response_struct scid;
};

struct ccl_parm_chpid {
	int m;
	struct chp_id chp;
};

struct ccl_parm_cssids {
	__u8 f_cssid;
	__u8 l_cssid;
};

struct chsc_comp_list {
	struct {
		enum {
			CCL_CU_ON_CHP = 1,
			CCL_CHP_TYPE_CAP = 2,
			CCL_CSS_IMG = 4,
			CCL_CSS_IMG_CONF_CHAR = 5,
			CCL_IOP_CHP = 6,
		} ctype;
		int fmt;
		struct ccl_parm_chpid chpid;
		struct ccl_parm_cssids cssids;
	} req;
	struct chsc_response_struct sccl;
};

struct chsc_dcal {
	struct {
		enum {
			DCAL_CSS_IID_PN = 4,
		} atype;
		__u32 list_parm[2];
		int fmt;
	} req;
	struct chsc_response_struct sdcal;
};

struct chsc_cpd_info {
	struct chp_id chpid;
	int m;
	int fmt;
	int rfmt;
	int c;
	struct chsc_response_struct chpdb;
};

#define CHSC_IOCTL_MAGIC 'c'

#define CHSC_START _IOWR(CHSC_IOCTL_MAGIC, 0x81, struct chsc_async_area)
#define CHSC_INFO_CHANNEL_PATH _IOWR(CHSC_IOCTL_MAGIC, 0x82, \
				    struct chsc_chp_cd)
#define CHSC_INFO_CU _IOWR(CHSC_IOCTL_MAGIC, 0x83, struct chsc_cu_cd)
#define CHSC_INFO_SCH_CU _IOWR(CHSC_IOCTL_MAGIC, 0x84, struct chsc_sch_cud)
#define CHSC_INFO_CI _IOWR(CHSC_IOCTL_MAGIC, 0x85, struct chsc_conf_info)
#define CHSC_INFO_CCL _IOWR(CHSC_IOCTL_MAGIC, 0x86, struct chsc_comp_list)
#define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info)
#define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal)

#endif
OpenPOWER on IntegriCloud