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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
|
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
* include/asm-s390/zcrypt.h
*
* zcrypt 2.1.0 (user-visible header)
*
* Copyright IBM Corp. 2001, 2006
* Author(s): Robert Burroughs
* Eric Rossman (edrossma@us.ibm.com)
*
* Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
*/
#ifndef __ASM_S390_ZCRYPT_H
#define __ASM_S390_ZCRYPT_H
#define ZCRYPT_VERSION 2
#define ZCRYPT_RELEASE 1
#define ZCRYPT_VARIANT 1
#include <linux/ioctl.h>
#include <linux/compiler.h>
/**
* struct ica_rsa_modexpo
*
* Requirements:
* - outputdatalength is at least as large as inputdatalength.
* - All key parts are right justified in their fields, padded on
* the left with zeroes.
* - length(b_key) = inputdatalength
* - length(n_modulus) = inputdatalength
*/
struct ica_rsa_modexpo {
char __user * inputdata;
unsigned int inputdatalength;
char __user * outputdata;
unsigned int outputdatalength;
char __user * b_key;
char __user * n_modulus;
};
/**
* struct ica_rsa_modexpo_crt
*
* Requirements:
* - inputdatalength is even.
* - outputdatalength is at least as large as inputdatalength.
* - All key parts are right justified in their fields, padded on
* the left with zeroes.
* - length(bp_key) = inputdatalength/2 + 8
* - length(bq_key) = inputdatalength/2
* - length(np_key) = inputdatalength/2 + 8
* - length(nq_key) = inputdatalength/2
* - length(u_mult_inv) = inputdatalength/2 + 8
*/
struct ica_rsa_modexpo_crt {
char __user * inputdata;
unsigned int inputdatalength;
char __user * outputdata;
unsigned int outputdatalength;
char __user * bp_key;
char __user * bq_key;
char __user * np_prime;
char __user * nq_prime;
char __user * u_mult_inv;
};
/**
* CPRBX
* Note that all shorts and ints are big-endian.
* All pointer fields are 16 bytes long, and mean nothing.
*
* A request CPRB is followed by a request_parameter_block.
*
* The request (or reply) parameter block is organized thus:
* function code
* VUD block
* key block
*/
struct CPRBX {
unsigned short cprb_len; /* CPRB length 220 */
unsigned char cprb_ver_id; /* CPRB version id. 0x02 */
unsigned char pad_000[3]; /* Alignment pad bytes */
unsigned char func_id[2]; /* function id 0x5432 */
unsigned char cprb_flags[4]; /* Flags */
unsigned int req_parml; /* request parameter buffer len */
unsigned int req_datal; /* request data buffer */
unsigned int rpl_msgbl; /* reply message block length */
unsigned int rpld_parml; /* replied parameter block len */
unsigned int rpl_datal; /* reply data block len */
unsigned int rpld_datal; /* replied data block len */
unsigned int req_extbl; /* request extension block len */
unsigned char pad_001[4]; /* reserved */
unsigned int rpld_extbl; /* replied extension block len */
unsigned char padx000[16 - sizeof (char *)];
unsigned char * req_parmb; /* request parm block 'address' */
unsigned char padx001[16 - sizeof (char *)];
unsigned char * req_datab; /* request data block 'address' */
unsigned char padx002[16 - sizeof (char *)];
unsigned char * rpl_parmb; /* reply parm block 'address' */
unsigned char padx003[16 - sizeof (char *)];
unsigned char * rpl_datab; /* reply data block 'address' */
unsigned char padx004[16 - sizeof (char *)];
unsigned char * req_extb; /* request extension block 'addr'*/
unsigned char padx005[16 - sizeof (char *)];
unsigned char * rpl_extb; /* reply extension block 'address'*/
unsigned short ccp_rtcode; /* server return code */
unsigned short ccp_rscode; /* server reason code */
unsigned int mac_data_len; /* Mac Data Length */
unsigned char logon_id[8]; /* Logon Identifier */
unsigned char mac_value[8]; /* Mac Value */
unsigned char mac_content_flgs;/* Mac content flag byte */
unsigned char pad_002; /* Alignment */
unsigned short domain; /* Domain */
unsigned char usage_domain[4];/* Usage domain */
unsigned char cntrl_domain[4];/* Control domain */
unsigned char S390enf_mask[4];/* S/390 enforcement mask */
unsigned char pad_004[36]; /* reserved */
} __attribute__((packed));
/**
* xcRB
*/
struct ica_xcRB {
unsigned short agent_ID;
unsigned int user_defined;
unsigned short request_ID;
unsigned int request_control_blk_length;
unsigned char padding1[16 - sizeof (char *)];
char __user * request_control_blk_addr;
unsigned int request_data_length;
char padding2[16 - sizeof (char *)];
char __user * request_data_address;
unsigned int reply_control_blk_length;
char padding3[16 - sizeof (char *)];
char __user * reply_control_blk_addr;
unsigned int reply_data_length;
char padding4[16 - sizeof (char *)];
char __user * reply_data_addr;
unsigned short priority_window;
unsigned int status;
} __attribute__((packed));
/**
* struct ep11_cprb - EP11 connectivity programming request block
* @cprb_len: CPRB header length [0x0020]
* @cprb_ver_id: CPRB version id. [0x04]
* @pad_000: Alignment pad bytes
* @flags: Admin cmd [0x80] or functional cmd [0x00]
* @func_id: Function id / subtype [0x5434]
* @source_id: Source id [originator id]
* @target_id: Target id [usage/ctrl domain id]
* @ret_code: Return code
* @reserved1: Reserved
* @reserved2: Reserved
* @payload_len: Payload length
*/
struct ep11_cprb {
uint16_t cprb_len;
unsigned char cprb_ver_id;
unsigned char pad_000[2];
unsigned char flags;
unsigned char func_id[2];
uint32_t source_id;
uint32_t target_id;
uint32_t ret_code;
uint32_t reserved1;
uint32_t reserved2;
uint32_t payload_len;
} __attribute__((packed));
/**
* struct ep11_target_dev - EP11 target device list
* @ap_id: AP device id
* @dom_id: Usage domain id
*/
struct ep11_target_dev {
uint16_t ap_id;
uint16_t dom_id;
};
/**
* struct ep11_urb - EP11 user request block
* @targets_num: Number of target adapters
* @targets: Addr to target adapter list
* @weight: Level of request priority
* @req_no: Request id/number
* @req_len: Request length
* @req: Addr to request block
* @resp_len: Response length
* @resp: Addr to response block
*/
struct ep11_urb {
uint16_t targets_num;
uint64_t targets;
uint64_t weight;
uint64_t req_no;
uint64_t req_len;
uint64_t req;
uint64_t resp_len;
uint64_t resp;
} __attribute__((packed));
/**
* struct zcrypt_device_status
* @hwtype: raw hardware type
* @qid: 6 bit device index, 8 bit domain
* @functions: AP device function bit field 'abcdef'
* a, b, c = reserved
* d = CCA coprocessor
* e = Accelerator
* f = EP11 coprocessor
* @online online status
* @reserved reserved
*/
struct zcrypt_device_status {
unsigned int hwtype:8;
unsigned int qid:14;
unsigned int online:1;
unsigned int functions:6;
unsigned int reserved:3;
};
#define MAX_ZDEV_CARDIDS 64
#define MAX_ZDEV_DOMAINS 256
/**
* Maximum number of zcrypt devices
*/
#define MAX_ZDEV_ENTRIES (MAX_ZDEV_CARDIDS * MAX_ZDEV_DOMAINS)
/**
* zcrypt_device_matrix
* Device matrix of all zcrypt devices
*/
struct zcrypt_device_matrix {
struct zcrypt_device_status device[MAX_ZDEV_ENTRIES];
};
#define AUTOSELECT ((unsigned int)0xFFFFFFFF)
#define ZCRYPT_IOCTL_MAGIC 'z'
/**
* Interface notes:
*
* The ioctl()s which are implemented (along with relevant details)
* are:
*
* ICARSAMODEXPO
* Perform an RSA operation using a Modulus-Exponent pair
* This takes an ica_rsa_modexpo struct as its arg.
*
* NOTE: please refer to the comments preceding this structure
* for the implementation details for the contents of the
* block
*
* ICARSACRT
* Perform an RSA operation using a Chinese-Remainder Theorem key
* This takes an ica_rsa_modexpo_crt struct as its arg.
*
* NOTE: please refer to the comments preceding this structure
* for the implementation details for the contents of the
* block
*
* ZSECSENDCPRB
* Send an arbitrary CPRB to a crypto card.
*
* ZSENDEP11CPRB
* Send an arbitrary EP11 CPRB to an EP11 coprocessor crypto card.
*
* Z90STAT_STATUS_MASK
* Return an 64 element array of unsigned chars for the status of
* all devices.
* 0x01: PCICA
* 0x02: PCICC
* 0x03: PCIXCC_MCL2
* 0x04: PCIXCC_MCL3
* 0x05: CEX2C
* 0x06: CEX2A
* 0x0d: device is disabled via the proc filesystem
*
* Z90STAT_QDEPTH_MASK
* Return an 64 element array of unsigned chars for the queue
* depth of all devices.
*
* Z90STAT_PERDEV_REQCNT
* Return an 64 element array of unsigned integers for the number
* of successfully completed requests per device since the device
* was detected and made available.
*
* Z90STAT_REQUESTQ_COUNT
* Return an integer count of the number of entries waiting to be
* sent to a device.
*
* Z90STAT_PENDINGQ_COUNT
* Return an integer count of the number of entries sent to all
* devices awaiting the reply.
*
* Z90STAT_TOTALOPEN_COUNT
* Return an integer count of the number of open file handles.
*
* Z90STAT_DOMAIN_INDEX
* Return the integer value of the Cryptographic Domain.
*/
/**
* Supported ioctl calls
*/
#define ICARSAMODEXPO _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x05, 0)
#define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0)
#define ZSECSENDCPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 0)
#define ZSENDEP11CPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x04, 0)
#define ZDEVICESTATUS _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x4f, 0)
/* Status ioctl calls */
#define Z90STAT_REQUESTQ_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x44, int)
#define Z90STAT_PENDINGQ_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x45, int)
#define Z90STAT_TOTALOPEN_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x46, int)
#define Z90STAT_DOMAIN_INDEX _IOR(ZCRYPT_IOCTL_MAGIC, 0x47, int)
#define Z90STAT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x48, char[64])
#define Z90STAT_QDEPTH_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x49, char[64])
#define Z90STAT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4a, int[64])
#endif /* __ASM_S390_ZCRYPT_H */
|
