1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * tape device discipline for 3590 tapes. |
4 | * |
5 | * Copyright IBM Corp. 2001, 2006 |
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 |
41 | #define MSENSE_CRYPT_MASK 0x00000010 |
42 | |
43 | #define TAPE_3590_MAX_MSG 0xb0 |
44 | |
45 | /* Datatypes */ |
46 | |
47 | struct tape_3590_disc_data { |
48 | struct tape390_crypt_info crypt_info; |
49 | int read_back_op; |
50 | }; |
51 | |
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 | |
57 | struct 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 | |
124 | struct tape_3590_med_sense { |
125 | unsigned int macst:4; |
126 | unsigned int masst:4; |
127 | char pad1[7]; |
128 | unsigned int flags; |
129 | char pad2[116]; |
130 | } __attribute__ ((packed)); |
131 | |
132 | struct tape_3590_rdc_data { |
133 | char data[64]; |
134 | } __attribute__ ((packed)); |
135 | |
136 | /* Datastructures for 3592 encryption support */ |
137 | |
138 | struct tape3592_kekl { |
139 | __u8 flags; |
140 | char label[64]; |
141 | } __attribute__ ((packed)); |
142 | |
143 | struct tape3592_kekl_pair { |
144 | __u8 count; |
145 | struct tape3592_kekl kekl[2]; |
146 | } __attribute__ ((packed)); |
147 | |
148 | struct 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 | |
158 | struct 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 | |
166 | struct 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]; |
173 | } __attribute__ ((packed)); |
174 | |
175 | #endif /* _TAPE_3590_H */ |
176 | |