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6684af1a MS |
1 | /* |
2 | * linux/drivers/s390/crypto/zcrypt_pcicc.h | |
3 | * | |
5432114b | 4 | * zcrypt 2.1.0 |
6684af1a MS |
5 | * |
6 | * Copyright (C) 2001, 2006 IBM Corporation | |
7 | * Author(s): Robert Burroughs | |
8 | * Eric Rossman (edrossma@us.ibm.com) | |
9 | * | |
10 | * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) | |
11 | * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2, or (at your option) | |
16 | * any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
26 | */ | |
27 | ||
28 | #ifndef _ZCRYPT_PCICC_H_ | |
29 | #define _ZCRYPT_PCICC_H_ | |
30 | ||
31 | /** | |
32 | * The type 6 message family is associated with PCICC or PCIXCC cards. | |
33 | * | |
34 | * It contains a message header followed by a CPRB, both of which | |
35 | * are described below. | |
36 | * | |
37 | * Note that all reserved fields must be zeroes. | |
38 | */ | |
39 | struct type6_hdr { | |
40 | unsigned char reserved1; /* 0x00 */ | |
41 | unsigned char type; /* 0x06 */ | |
42 | unsigned char reserved2[2]; /* 0x0000 */ | |
43 | unsigned char right[4]; /* 0x00000000 */ | |
44 | unsigned char reserved3[2]; /* 0x0000 */ | |
45 | unsigned char reserved4[2]; /* 0x0000 */ | |
46 | unsigned char apfs[4]; /* 0x00000000 */ | |
47 | unsigned int offset1; /* 0x00000058 (offset to CPRB) */ | |
48 | unsigned int offset2; /* 0x00000000 */ | |
49 | unsigned int offset3; /* 0x00000000 */ | |
50 | unsigned int offset4; /* 0x00000000 */ | |
51 | unsigned char agent_id[16]; /* PCICC: */ | |
52 | /* 0x0100 */ | |
53 | /* 0x4343412d4150504c202020 */ | |
54 | /* 0x010101 */ | |
55 | /* PCIXCC: */ | |
56 | /* 0x4341000000000000 */ | |
57 | /* 0x0000000000000000 */ | |
58 | unsigned char rqid[2]; /* rqid. internal to 603 */ | |
59 | unsigned char reserved5[2]; /* 0x0000 */ | |
60 | unsigned char function_code[2]; /* for PKD, 0x5044 (ascii 'PD') */ | |
61 | unsigned char reserved6[2]; /* 0x0000 */ | |
62 | unsigned int ToCardLen1; /* (request CPRB len + 3) & -4 */ | |
63 | unsigned int ToCardLen2; /* db len 0x00000000 for PKD */ | |
64 | unsigned int ToCardLen3; /* 0x00000000 */ | |
65 | unsigned int ToCardLen4; /* 0x00000000 */ | |
66 | unsigned int FromCardLen1; /* response buffer length */ | |
67 | unsigned int FromCardLen2; /* db len 0x00000000 for PKD */ | |
68 | unsigned int FromCardLen3; /* 0x00000000 */ | |
69 | unsigned int FromCardLen4; /* 0x00000000 */ | |
70 | } __attribute__((packed)); | |
71 | ||
72 | /** | |
73 | * CPRB | |
74 | * Note that all shorts, ints and longs are little-endian. | |
75 | * All pointer fields are 32-bits long, and mean nothing | |
76 | * | |
77 | * A request CPRB is followed by a request_parameter_block. | |
78 | * | |
79 | * The request (or reply) parameter block is organized thus: | |
80 | * function code | |
81 | * VUD block | |
82 | * key block | |
83 | */ | |
84 | struct CPRB { | |
85 | unsigned short cprb_len; /* CPRB length */ | |
86 | unsigned char cprb_ver_id; /* CPRB version id. */ | |
87 | unsigned char pad_000; /* Alignment pad byte. */ | |
88 | unsigned char srpi_rtcode[4]; /* SRPI return code LELONG */ | |
89 | unsigned char srpi_verb; /* SRPI verb type */ | |
90 | unsigned char flags; /* flags */ | |
91 | unsigned char func_id[2]; /* function id */ | |
92 | unsigned char checkpoint_flag; /* */ | |
93 | unsigned char resv2; /* reserved */ | |
94 | unsigned short req_parml; /* request parameter buffer */ | |
95 | /* length 16-bit little endian */ | |
96 | unsigned char req_parmp[4]; /* request parameter buffer * | |
97 | * pointer (means nothing: the * | |
98 | * parameter buffer follows * | |
99 | * the CPRB). */ | |
100 | unsigned char req_datal[4]; /* request data buffer */ | |
101 | /* length ULELONG */ | |
102 | unsigned char req_datap[4]; /* request data buffer */ | |
103 | /* pointer */ | |
104 | unsigned short rpl_parml; /* reply parameter buffer */ | |
105 | /* length 16-bit little endian */ | |
106 | unsigned char pad_001[2]; /* Alignment pad bytes. ULESHORT */ | |
107 | unsigned char rpl_parmp[4]; /* reply parameter buffer * | |
108 | * pointer (means nothing: the * | |
109 | * parameter buffer follows * | |
110 | * the CPRB). */ | |
111 | unsigned char rpl_datal[4]; /* reply data buffer len ULELONG */ | |
112 | unsigned char rpl_datap[4]; /* reply data buffer */ | |
113 | /* pointer */ | |
114 | unsigned short ccp_rscode; /* server reason code ULESHORT */ | |
115 | unsigned short ccp_rtcode; /* server return code ULESHORT */ | |
116 | unsigned char repd_parml[2]; /* replied parameter len ULESHORT*/ | |
117 | unsigned char mac_data_len[2]; /* Mac Data Length ULESHORT */ | |
118 | unsigned char repd_datal[4]; /* replied data length ULELONG */ | |
119 | unsigned char req_pc[2]; /* PC identifier */ | |
120 | unsigned char res_origin[8]; /* resource origin */ | |
121 | unsigned char mac_value[8]; /* Mac Value */ | |
122 | unsigned char logon_id[8]; /* Logon Identifier */ | |
123 | unsigned char usage_domain[2]; /* cdx */ | |
124 | unsigned char resv3[18]; /* reserved for requestor */ | |
125 | unsigned short svr_namel; /* server name length ULESHORT */ | |
126 | unsigned char svr_name[8]; /* server name */ | |
127 | } __attribute__((packed)); | |
128 | ||
129 | /** | |
130 | * The type 86 message family is associated with PCICC and PCIXCC cards. | |
131 | * | |
132 | * It contains a message header followed by a CPRB. The CPRB is | |
133 | * the same as the request CPRB, which is described above. | |
134 | * | |
135 | * If format is 1, an error condition exists and no data beyond | |
136 | * the 8-byte message header is of interest. | |
137 | * | |
138 | * The non-error message is shown below. | |
139 | * | |
140 | * Note that all reserved fields must be zeroes. | |
141 | */ | |
142 | struct type86_hdr { | |
143 | unsigned char reserved1; /* 0x00 */ | |
144 | unsigned char type; /* 0x86 */ | |
145 | unsigned char format; /* 0x01 (error) or 0x02 (ok) */ | |
146 | unsigned char reserved2; /* 0x00 */ | |
147 | unsigned char reply_code; /* reply code (see above) */ | |
148 | unsigned char reserved3[3]; /* 0x000000 */ | |
149 | } __attribute__((packed)); | |
150 | ||
151 | #define TYPE86_RSP_CODE 0x86 | |
152 | #define TYPE86_FMT2 0x02 | |
153 | ||
154 | struct type86_fmt2_ext { | |
155 | unsigned char reserved[4]; /* 0x00000000 */ | |
156 | unsigned char apfs[4]; /* final status */ | |
157 | unsigned int count1; /* length of CPRB + parameters */ | |
158 | unsigned int offset1; /* offset to CPRB */ | |
159 | unsigned int count2; /* 0x00000000 */ | |
160 | unsigned int offset2; /* db offset 0x00000000 for PKD */ | |
161 | unsigned int count3; /* 0x00000000 */ | |
162 | unsigned int offset3; /* 0x00000000 */ | |
163 | unsigned int count4; /* 0x00000000 */ | |
164 | unsigned int offset4; /* 0x00000000 */ | |
165 | } __attribute__((packed)); | |
166 | ||
167 | struct function_and_rules_block { | |
168 | unsigned char function_code[2]; | |
169 | unsigned short ulen; | |
170 | unsigned char only_rule[8]; | |
171 | } __attribute__((packed)); | |
172 | ||
173 | int zcrypt_pcicc_init(void); | |
174 | void zcrypt_pcicc_exit(void); | |
175 | ||
176 | #endif /* _ZCRYPT_PCICC_H_ */ |