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gerrit-public.fairphone.software / kernel / msm-4.19 / 592b8785b966ef2841e34a7691026d3aec1ce382 / . / drivers / s390 / char / tape_3590.h
blob: 4534055f1376aa3bceb0fdbc7505401fad64877c [file] [log] [blame]
Stefan Baderb6cba4e2006-03-24 03:15:29 -0800[diff] [blame]1/*
2 * drivers/s390/char/tape_3590.h
3 * tape device discipline for 3590 tapes.
4 *
Michael Holzheucced1dd2007-02-05 21:18:26 +0100[diff] [blame]5 * Copyright IBM Corp. 2001,2006
Stefan Baderb6cba4e2006-03-24 03:15:29 -0800[diff] [blame]6 * Author(s): Stefan Bader <shbader@de.ibm.com>
7 * Michael Holzheu <holzheu@de.ibm.com>
8 * Martin Schwidefsky <schwidefsky@de.ibm.com>
9 */
10
11#ifndef _TAPE_3590_H
12#define _TAPE_3590_H
13
14#define MEDIUM_SENSE 0xc2
15#define READ_PREVIOUS 0x0a
16#define MODE_SENSE 0xcf
17#define PERFORM_SS_FUNC 0x77
18#define READ_SS_DATA 0x3e
19
20#define PREP_RD_SS_DATA 0x18
21#define RD_ATTMSG 0x3
22
23#define SENSE_BRA_PER 0
24#define SENSE_BRA_CONT 1
25#define SENSE_BRA_RE 2
26#define SENSE_BRA_DRE 3
27
28#define SENSE_FMT_LIBRARY 0x23
29#define SENSE_FMT_UNSOLICITED 0x40
30#define SENSE_FMT_COMMAND_REJ 0x41
31#define SENSE_FMT_COMMAND_EXEC0 0x50
32#define SENSE_FMT_COMMAND_EXEC1 0x51
33#define SENSE_FMT_EVENT0 0x60
34#define SENSE_FMT_EVENT1 0x61
35#define SENSE_FMT_MIM 0x70
36#define SENSE_FMT_SIM 0x71
37
38#define MSENSE_UNASSOCIATED 0x00
39#define MSENSE_ASSOCIATED_MOUNT 0x01
40#define MSENSE_ASSOCIATED_UMOUNT 0x02
Michael Holzheucced1dd2007-02-05 21:18:26 +0100[diff] [blame]41#define MSENSE_CRYPT_MASK 0x00000010
Stefan Baderb6cba4e2006-03-24 03:15:29 -0800[diff] [blame]42
43#define TAPE_3590_MAX_MSG 0xb0
44
45/* Datatypes */
46
47struct tape_3590_disc_data {
Michael Holzheucced1dd2007-02-05 21:18:26 +0100[diff] [blame]48 struct tape390_crypt_info crypt_info;
Stefan Baderb6cba4e2006-03-24 03:15:29 -0800[diff] [blame]49 int read_back_op;
50};
51
Michael Holzheucced1dd2007-02-05 21:18:26 +0100[diff] [blame]52#define TAPE_3590_CRYPT_INFO(device) \
53 ((struct tape_3590_disc_data*)(device->discdata))->crypt_info
54#define TAPE_3590_READ_BACK_OP(device) \
55 ((struct tape_3590_disc_data*)(device->discdata))->read_back_op
56
Stefan Baderb6cba4e2006-03-24 03:15:29 -0800[diff] [blame]57struct tape_3590_sense {
58
59 unsigned int command_rej:1;
60 unsigned int interv_req:1;
61 unsigned int bus_out_check:1;
62 unsigned int eq_check:1;
63 unsigned int data_check:1;
64 unsigned int overrun:1;
65 unsigned int def_unit_check:1;
66 unsigned int assgnd_elsew:1;
67
68 unsigned int locate_fail:1;
69 unsigned int inst_online:1;
70 unsigned int reserved:1;
71 unsigned int blk_seq_err:1;
72 unsigned int begin_part:1;
73 unsigned int wr_mode:1;
74 unsigned int wr_prot:1;
75 unsigned int not_cap:1;
76
77 unsigned int bra:2;
78 unsigned int lc:3;
79 unsigned int vlf_active:1;
80 unsigned int stm:1;
81 unsigned int med_pos:1;
82
83 unsigned int rac:8;
84
85 unsigned int rc_rqc:16;
86
87 unsigned int mc:8;
88
89 unsigned int sense_fmt:8;
90
91 union {
92 struct {
93 unsigned int emc:4;
94 unsigned int smc:4;
95 unsigned int sev:2;
96 unsigned int reserved:6;
97 unsigned int md:8;
98 unsigned int refcode:8;
99 unsigned int mid:16;
100 unsigned int mp:16;
101 unsigned char volid[6];
102 unsigned int fid:8;
103 } f70;
104 struct {
105 unsigned int emc:4;
106 unsigned int smc:4;
107 unsigned int sev:2;
108 unsigned int reserved1:5;
109 unsigned int mdf:1;
110 unsigned char md[3];
111 unsigned int simid:8;
112 unsigned int uid:16;
113 unsigned int refcode1:16;
114 unsigned int refcode2:16;
115 unsigned int refcode3:16;
116 unsigned int reserved2:8;
117 } f71;
118 unsigned char data[14];
119 } fmt;
120 unsigned char pad[10];
121
122} __attribute__ ((packed));
123
124struct tape_3590_med_sense {
125 unsigned int macst:4;
126 unsigned int masst:4;
Michael Holzheucced1dd2007-02-05 21:18:26 +0100[diff] [blame]127 char pad1[7];
128 unsigned int flags;
129 char pad2[116];
130} __attribute__ ((packed));
131
Michael Holzheue2963062007-05-04 18:47:53 +0200[diff] [blame]132struct tape_3590_rdc_data {
133 char data[64];
134} __attribute__ ((packed));
135
Michael Holzheucced1dd2007-02-05 21:18:26 +0100[diff] [blame]136/* Datastructures for 3592 encryption support */
137
138struct tape3592_kekl {
139 __u8 flags;
140 char label[64];
141} __attribute__ ((packed));
142
143struct tape3592_kekl_pair {
144 __u8 count;
145 struct tape3592_kekl kekl[2];
146} __attribute__ ((packed));
147
148struct tape3592_kekl_query_data {
149 __u16 len;
150 __u8 fmt;
151 __u8 mc;
152 __u32 id;
153 __u8 flags;
154 struct tape3592_kekl_pair kekls;
155 char reserved[116];
156} __attribute__ ((packed));
157
158struct tape3592_kekl_query_order {
159 __u8 code;
160 __u8 flags;
161 char reserved1[2];
162 __u8 max_count;
163 char reserved2[35];
164} __attribute__ ((packed));
165
166struct tape3592_kekl_set_order {
167 __u8 code;
168 __u8 flags;
169 char reserved1[2];
170 __u8 op;
171 struct tape3592_kekl_pair kekls;
172 char reserved2[120];
Stefan Baderb6cba4e2006-03-24 03:15:29 -0800[diff] [blame]173} __attribute__ ((packed));
174
175#endif /* _TAPE_3590_H */