1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux <<
2 /* 1 /*
3 * ioctl interface for the scsi media changer 2 * ioctl interface for the scsi media changer driver
4 */ 3 */
5 4
6 #ifndef _UAPI_LINUX_CHIO_H <<
7 #define _UAPI_LINUX_CHIO_H <<
8 <<
9 /* changer element types */ 5 /* changer element types */
10 #define CHET_MT 0 /* media transport ele 6 #define CHET_MT 0 /* media transport element (robot) */
11 #define CHET_ST 1 /* storage element (me 7 #define CHET_ST 1 /* storage element (media slots) */
12 #define CHET_IE 2 /* import/export eleme 8 #define CHET_IE 2 /* import/export element */
13 #define CHET_DT 3 /* data transfer eleme 9 #define CHET_DT 3 /* data transfer element (tape/cdrom/whatever) */
14 #define CHET_V1 4 /* vendor specific #1 10 #define CHET_V1 4 /* vendor specific #1 */
15 #define CHET_V2 5 /* vendor specific #2 11 #define CHET_V2 5 /* vendor specific #2 */
16 #define CHET_V3 6 /* vendor specific #3 12 #define CHET_V3 6 /* vendor specific #3 */
17 #define CHET_V4 7 /* vendor specific #4 13 #define CHET_V4 7 /* vendor specific #4 */
18 14
19 15
20 /* 16 /*
21 * CHIOGPARAMS 17 * CHIOGPARAMS
22 * query changer properties 18 * query changer properties
23 * 19 *
24 * CHIOVGPARAMS 20 * CHIOVGPARAMS
25 * query vendor-specific element types 21 * query vendor-specific element types
26 * 22 *
27 * accessing elements works by specifing ty 23 * accessing elements works by specifing type and unit of the element.
28 * for example, storage elements are addres 24 * for example, storage elements are addressed with type = CHET_ST and
29 * unit = 0 .. cp_nslots-1 25 * unit = 0 .. cp_nslots-1
30 * 26 *
31 */ 27 */
32 struct changer_params { 28 struct changer_params {
33 int cp_curpicker; /* current transpor 29 int cp_curpicker; /* current transport element */
34 int cp_npickers; /* number of transp 30 int cp_npickers; /* number of transport elements (CHET_MT) */
35 int cp_nslots; /* number of storag 31 int cp_nslots; /* number of storage elements (CHET_ST) */
36 int cp_nportals; /* number of import 32 int cp_nportals; /* number of import/export elements (CHET_IE) */
37 int cp_ndrives; /* number of data t 33 int cp_ndrives; /* number of data transfer elements (CHET_DT) */
38 }; 34 };
39 struct changer_vendor_params { 35 struct changer_vendor_params {
40 int cvp_n1; /* number of vendor 36 int cvp_n1; /* number of vendor specific elems (CHET_V1) */
41 char cvp_label1[16]; 37 char cvp_label1[16];
42 int cvp_n2; /* number of vendor 38 int cvp_n2; /* number of vendor specific elems (CHET_V2) */
43 char cvp_label2[16]; 39 char cvp_label2[16];
44 int cvp_n3; /* number of vendor 40 int cvp_n3; /* number of vendor specific elems (CHET_V3) */
45 char cvp_label3[16]; 41 char cvp_label3[16];
46 int cvp_n4; /* number of vendor 42 int cvp_n4; /* number of vendor specific elems (CHET_V4) */
47 char cvp_label4[16]; 43 char cvp_label4[16];
48 int reserved[8]; 44 int reserved[8];
49 }; 45 };
50 46
51 47
52 /* 48 /*
53 * CHIOMOVE 49 * CHIOMOVE
54 * move a medium from one element to anothe 50 * move a medium from one element to another
55 */ 51 */
56 struct changer_move { 52 struct changer_move {
57 int cm_fromtype; /* type/unit o 53 int cm_fromtype; /* type/unit of source element */
58 int cm_fromunit; 54 int cm_fromunit;
59 int cm_totype; /* type/unit of destin 55 int cm_totype; /* type/unit of destination element */
60 int cm_tounit; 56 int cm_tounit;
61 int cm_flags; 57 int cm_flags;
62 }; 58 };
63 #define CM_INVERT 1 /* flag: rotate media 59 #define CM_INVERT 1 /* flag: rotate media (for double-sided like MOD) */
64 60
65 61
66 /* 62 /*
67 * CHIOEXCHANGE 63 * CHIOEXCHANGE
68 * move one medium from element #1 to eleme 64 * move one medium from element #1 to element #2,
69 * and another one from element #2 to eleme 65 * and another one from element #2 to element #3.
70 * element #1 and #3 are allowed to be iden 66 * element #1 and #3 are allowed to be identical.
71 */ 67 */
72 struct changer_exchange { 68 struct changer_exchange {
73 int ce_srctype; /* type/unit of el 69 int ce_srctype; /* type/unit of element #1 */
74 int ce_srcunit; 70 int ce_srcunit;
75 int ce_fdsttype; /* type/unit of el 71 int ce_fdsttype; /* type/unit of element #2 */
76 int ce_fdstunit; 72 int ce_fdstunit;
77 int ce_sdsttype; /* type/unit of el 73 int ce_sdsttype; /* type/unit of element #3 */
78 int ce_sdstunit; 74 int ce_sdstunit;
79 int ce_flags; 75 int ce_flags;
80 }; 76 };
81 #define CE_INVERT1 1 77 #define CE_INVERT1 1
82 #define CE_INVERT2 2 78 #define CE_INVERT2 2
83 79
84 80
85 /* 81 /*
86 * CHIOPOSITION 82 * CHIOPOSITION
87 * move the transport element (robot arm) t 83 * move the transport element (robot arm) to a specific element.
88 */ 84 */
89 struct changer_position { 85 struct changer_position {
90 int cp_type; 86 int cp_type;
91 int cp_unit; 87 int cp_unit;
92 int cp_flags; 88 int cp_flags;
93 }; 89 };
94 #define CP_INVERT 1 90 #define CP_INVERT 1
95 91
96 92
97 /* 93 /*
98 * CHIOGSTATUS 94 * CHIOGSTATUS
99 * get element status for all elements of a 95 * get element status for all elements of a specific type
100 */ 96 */
101 struct changer_element_status { 97 struct changer_element_status {
102 int ces_type; 98 int ces_type;
103 unsigned char __user *ces_data; 99 unsigned char __user *ces_data;
104 }; 100 };
105 #define CESTATUS_FULL 0x01 /* full */ 101 #define CESTATUS_FULL 0x01 /* full */
106 #define CESTATUS_IMPEXP 0x02 /* media was i 102 #define CESTATUS_IMPEXP 0x02 /* media was imported (inserted by sysop) */
107 #define CESTATUS_EXCEPT 0x04 /* error condi 103 #define CESTATUS_EXCEPT 0x04 /* error condition */
108 #define CESTATUS_ACCESS 0x08 /* access allo 104 #define CESTATUS_ACCESS 0x08 /* access allowed */
109 #define CESTATUS_EXENAB 0x10 /* element can 105 #define CESTATUS_EXENAB 0x10 /* element can export media */
110 #define CESTATUS_INENAB 0x20 /* element can 106 #define CESTATUS_INENAB 0x20 /* element can import media */
111 107
112 108
113 /* 109 /*
114 * CHIOGELEM 110 * CHIOGELEM
115 * get more detailed status information for 111 * get more detailed status information for a single element
116 */ 112 */
117 struct changer_get_element { 113 struct changer_get_element {
118 int cge_type; /* type/unit 114 int cge_type; /* type/unit */
119 int cge_unit; 115 int cge_unit;
120 int cge_status; /* status */ 116 int cge_status; /* status */
121 int cge_errno; /* errno */ 117 int cge_errno; /* errno */
122 int cge_srctype; /* source ele 118 int cge_srctype; /* source element of the last move/exchange */
123 int cge_srcunit; 119 int cge_srcunit;
124 int cge_id; /* scsi id ( 120 int cge_id; /* scsi id (for data transfer elements) */
125 int cge_lun; /* scsi lun ( 121 int cge_lun; /* scsi lun (for data transfer elements) */
126 char cge_pvoltag[36]; /* primary vo 122 char cge_pvoltag[36]; /* primary volume tag */
127 char cge_avoltag[36]; /* alternate 123 char cge_avoltag[36]; /* alternate volume tag */
128 int cge_flags; 124 int cge_flags;
129 }; 125 };
130 /* flags */ 126 /* flags */
131 #define CGE_ERRNO 0x01 /* errno avai 127 #define CGE_ERRNO 0x01 /* errno available */
132 #define CGE_INVERT 0x02 /* media inve 128 #define CGE_INVERT 0x02 /* media inverted */
133 #define CGE_SRC 0x04 /* media src 129 #define CGE_SRC 0x04 /* media src available */
134 #define CGE_IDLUN 0x08 /* ID+LUN ava 130 #define CGE_IDLUN 0x08 /* ID+LUN available */
135 #define CGE_PVOLTAG 0x10 /* primary vo 131 #define CGE_PVOLTAG 0x10 /* primary volume tag available */
136 #define CGE_AVOLTAG 0x20 /* alternate 132 #define CGE_AVOLTAG 0x20 /* alternate volume tag available */
137 133
138 134
139 /* 135 /*
140 * CHIOSVOLTAG 136 * CHIOSVOLTAG
141 * set volume tag 137 * set volume tag
142 */ 138 */
143 struct changer_set_voltag { 139 struct changer_set_voltag {
144 int csv_type; /* type/unit 140 int csv_type; /* type/unit */
145 int csv_unit; 141 int csv_unit;
146 char csv_voltag[36]; /* volume tag 142 char csv_voltag[36]; /* volume tag */
147 int csv_flags; 143 int csv_flags;
148 }; 144 };
149 #define CSV_PVOLTAG 0x01 /* primary vo 145 #define CSV_PVOLTAG 0x01 /* primary volume tag */
150 #define CSV_AVOLTAG 0x02 /* alternate 146 #define CSV_AVOLTAG 0x02 /* alternate volume tag */
151 #define CSV_CLEARTAG 0x04 /* clear volu 147 #define CSV_CLEARTAG 0x04 /* clear volume tag */
152 148
153 /* ioctls */ 149 /* ioctls */
154 #define CHIOMOVE _IOW('c', 1,struct chan 150 #define CHIOMOVE _IOW('c', 1,struct changer_move)
155 #define CHIOEXCHANGE _IOW('c', 2,struct chan 151 #define CHIOEXCHANGE _IOW('c', 2,struct changer_exchange)
156 #define CHIOPOSITION _IOW('c', 3,struct chan 152 #define CHIOPOSITION _IOW('c', 3,struct changer_position)
157 #define CHIOGPICKER _IOR('c', 4,int) 153 #define CHIOGPICKER _IOR('c', 4,int) /* not impl. */
158 #define CHIOSPICKER _IOW('c', 5,int) 154 #define CHIOSPICKER _IOW('c', 5,int) /* not impl. */
159 #define CHIOGPARAMS _IOR('c', 6,struct chan 155 #define CHIOGPARAMS _IOR('c', 6,struct changer_params)
160 #define CHIOGSTATUS _IOW('c', 8,struct chan 156 #define CHIOGSTATUS _IOW('c', 8,struct changer_element_status)
161 #define CHIOGELEM _IOW('c',16,struct chan 157 #define CHIOGELEM _IOW('c',16,struct changer_get_element)
162 #define CHIOINITELEM _IO('c',17) 158 #define CHIOINITELEM _IO('c',17)
163 #define CHIOSVOLTAG _IOW('c',18,struct chan 159 #define CHIOSVOLTAG _IOW('c',18,struct changer_set_voltag)
164 #define CHIOGVPARAMS _IOR('c',19,struct chan 160 #define CHIOGVPARAMS _IOR('c',19,struct changer_vendor_params)
165 161
166 #endif /* _UAPI_LINUX_CHIO_H */ !! 162 /* ---------------------------------------------------------------------- */
>> 163
>> 164 /*
>> 165 * Local variables:
>> 166 * c-basic-offset: 8
>> 167 * End:
>> 168 */
167 169
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.