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gerrit-public.fairphone.software / kernel / msm-4.9 / 722506f04dae7c88193dab2fc836ff15070190f0 / . / drivers / s390 / crypto / zcrypt_pcicc.h
blob: 6d4454846c8f9e4bcc0944f85fc7fcb065999c5d [file] [log] [blame]
Martin Schwidefsky6684af12006-09-20 15:58:32 +0200[diff] [blame]1/*
2 * linux/drivers/s390/crypto/zcrypt_pcicc.h
3 *
Ralph Wuerthner54321142006-09-20 15:58:36 +0200[diff] [blame]4 * zcrypt 2.1.0
Martin Schwidefsky6684af12006-09-20 15:58:32 +0200[diff] [blame]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 */
39struct 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 */
84struct 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 */
142struct 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
154struct 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
167struct function_and_rules_block {
168 unsigned char function_code[2];
169 unsigned short ulen;
170 unsigned char only_rule[8];
171} __attribute__((packed));
172
173int zcrypt_pcicc_init(void);
174void zcrypt_pcicc_exit(void);
175
176#endif /* _ZCRYPT_PCICC_H_ */