summaryrefslogtreecommitdiff
path: root/drivers/s390/char/tape_3590.h
blob: 36b759e89d22d9aca38c7294a03983648b421a74 (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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
/*
 *    tape device discipline for 3590 tapes.
 *
 *    Copyright IBM Corp. 2001, 2006
 *    Author(s): Stefan Bader <shbader@de.ibm.com>
 *		 Michael Holzheu <holzheu@de.ibm.com>
 *		 Martin Schwidefsky <schwidefsky@de.ibm.com>
 */

#ifndef _TAPE_3590_H
#define _TAPE_3590_H

#define MEDIUM_SENSE	0xc2
#define READ_PREVIOUS	0x0a
#define MODE_SENSE	0xcf
#define PERFORM_SS_FUNC 0x77
#define READ_SS_DATA	0x3e

#define PREP_RD_SS_DATA 0x18
#define RD_ATTMSG	0x3

#define SENSE_BRA_PER  0
#define SENSE_BRA_CONT 1
#define SENSE_BRA_RE   2
#define SENSE_BRA_DRE  3

#define SENSE_FMT_LIBRARY	0x23
#define SENSE_FMT_UNSOLICITED	0x40
#define SENSE_FMT_COMMAND_REJ	0x41
#define SENSE_FMT_COMMAND_EXEC0 0x50
#define SENSE_FMT_COMMAND_EXEC1 0x51
#define SENSE_FMT_EVENT0	0x60
#define SENSE_FMT_EVENT1	0x61
#define SENSE_FMT_MIM		0x70
#define SENSE_FMT_SIM		0x71

#define MSENSE_UNASSOCIATED	 0x00
#define MSENSE_ASSOCIATED_MOUNT	 0x01
#define MSENSE_ASSOCIATED_UMOUNT 0x02
#define MSENSE_CRYPT_MASK	 0x00000010

#define TAPE_3590_MAX_MSG	 0xb0

/* Datatypes */

struct tape_3590_disc_data {
	struct tape390_crypt_info crypt_info;
	int read_back_op;
};

#define TAPE_3590_CRYPT_INFO(device) \
	((struct tape_3590_disc_data*)(device->discdata))->crypt_info
#define TAPE_3590_READ_BACK_OP(device) \
	((struct tape_3590_disc_data*)(device->discdata))->read_back_op

struct tape_3590_sense {

	unsigned int command_rej:1;
	unsigned int interv_req:1;
	unsigned int bus_out_check:1;
	unsigned int eq_check:1;
	unsigned int data_check:1;
	unsigned int overrun:1;
	unsigned int def_unit_check:1;
	unsigned int assgnd_elsew:1;

	unsigned int locate_fail:1;
	unsigned int inst_online:1;
	unsigned int reserved:1;
	unsigned int blk_seq_err:1;
	unsigned int begin_part:1;
	unsigned int wr_mode:1;
	unsigned int wr_prot:1;
	unsigned int not_cap:1;

	unsigned int bra:2;
	unsigned int lc:3;
	unsigned int vlf_active:1;
	unsigned int stm:1;
	unsigned int med_pos:1;

	unsigned int rac:8;

	unsigned int rc_rqc:16;

	unsigned int mc:8;

	unsigned int sense_fmt:8;

	union {
		struct {
			unsigned int emc:4;
			unsigned int smc:4;
			unsigned int sev:2;
			unsigned int reserved:6;
			unsigned int md:8;
			unsigned int refcode:8;
			unsigned int mid:16;
			unsigned int mp:16;
			unsigned char volid[6];
			unsigned int fid:8;
		} f70;
		struct {
			unsigned int emc:4;
			unsigned int smc:4;
			unsigned int sev:2;
			unsigned int reserved1:5;
			unsigned int mdf:1;
			unsigned char md[3];
			unsigned int simid:8;
			unsigned int uid:16;
			unsigned int refcode1:16;
			unsigned int refcode2:16;
			unsigned int refcode3:16;
			unsigned int reserved2:8;
		} f71;
		unsigned char data[14];
	} fmt;
	unsigned char pad[10];

} __attribute__ ((packed));

struct tape_3590_med_sense {
	unsigned int macst:4;
	unsigned int masst:4;
	char pad1[7];
	unsigned int flags;
	char pad2[116];
} __attribute__ ((packed));

struct tape_3590_rdc_data {
	char data[64];
} __attribute__ ((packed));

/* Datastructures for 3592 encryption support */

struct tape3592_kekl {
	__u8 flags;
	char label[64];
} __attribute__ ((packed));

struct tape3592_kekl_pair {
	__u8 count;
	struct tape3592_kekl kekl[2];
} __attribute__ ((packed));

struct tape3592_kekl_query_data {
	__u16 len;
	__u8  fmt;
	__u8  mc;
	__u32 id;
	__u8  flags;
	struct tape3592_kekl_pair kekls;
	char reserved[116];
} __attribute__ ((packed));

struct tape3592_kekl_query_order {
	__u8 code;
	__u8 flags;
	char reserved1[2];
	__u8 max_count;
	char reserved2[35];
} __attribute__ ((packed));

struct tape3592_kekl_set_order {
	__u8 code;
	__u8 flags;
	char reserved1[2];
	__u8 op;
	struct tape3592_kekl_pair kekls;
	char reserved2[120];
} __attribute__ ((packed));

#endif /* _TAPE_3590_H */