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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - drivers/s390/crypto/zcrypt_pcicc.h
2 * linux/drivers/s390/crypto/zcrypt_pcicc.h
6 * Copyright (C) 2001, 2006 IBM Corporation
7 * Author(s): Robert Burroughs
8 * Eric Rossman (edrossma@us.ibm.com)
10 * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
11 * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
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)
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.
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.
28 #ifndef _ZCRYPT_PCICC_H_
29 #define _ZCRYPT_PCICC_H_
32 * The type 6 message family is associated with PCICC or PCIXCC cards.
34 * It contains a message header followed by a CPRB, both of which
35 * are described below.
37 * Note that all reserved fields must be zeroes.
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: */
53 /* 0x4343412d4150504c202020 */
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
));
74 * Note that all shorts, ints and longs are little-endian.
75 * All pointer fields are 32-bits long, and mean nothing
77 * A request CPRB is followed by a request_parameter_block.
79 * The request (or reply) parameter block is organized thus:
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 *
100 unsigned char req_datal
[4]; /* request data buffer */
102 unsigned char req_datap
[4]; /* request data buffer */
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 *
111 unsigned char rpl_datal
[4]; /* reply data buffer len ULELONG */
112 unsigned char rpl_datap
[4]; /* reply data buffer */
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
));
130 * The type 86 message family is associated with PCICC and PCIXCC cards.
132 * It contains a message header followed by a CPRB. The CPRB is
133 * the same as the request CPRB, which is described above.
135 * If format is 1, an error condition exists and no data beyond
136 * the 8-byte message header is of interest.
138 * The non-error message is shown below.
140 * Note that all reserved fields must be zeroes.
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
));
151 #define TYPE86_RSP_CODE 0x86
152 #define TYPE86_FMT2 0x02
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
));
167 struct function_and_rules_block
{
168 unsigned char function_code
[2];
170 unsigned char only_rule
[8];
171 } __attribute__((packed
));
173 int zcrypt_pcicc_init(void);
174 void zcrypt_pcicc_exit(void);
176 #endif /* _ZCRYPT_PCICC_H_ */