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