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[mirror_ubuntu-artful-kernel.git] / drivers / s390 / crypto / zcrypt_msgtype6.c
1 /*
2 * zcrypt 2.1.0
3 *
4 * Copyright IBM Corp. 2001, 2012
5 * Author(s): Robert Burroughs
6 * Eric Rossman (edrossma@us.ibm.com)
7 *
8 * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
9 * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
10 * Ralph Wuerthner <rwuerthn@de.ibm.com>
11 * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.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 #define KMSG_COMPONENT "zcrypt"
29 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
30
31 #include <linux/module.h>
32 #include <linux/init.h>
33 #include <linux/err.h>
34 #include <linux/delay.h>
35 #include <linux/slab.h>
36 #include <linux/atomic.h>
37 #include <linux/uaccess.h>
38
39 #include "ap_bus.h"
40 #include "zcrypt_api.h"
41 #include "zcrypt_error.h"
42 #include "zcrypt_msgtype6.h"
43 #include "zcrypt_cca_key.h"
44
45 #define PCIXCC_MIN_MOD_SIZE_OLD 64 /* 512 bits */
46 #define PCIXCC_MAX_ICA_RESPONSE_SIZE 0x77c /* max size type86 v2 reply */
47
48 #define CEIL4(x) ((((x)+3)/4)*4)
49
50 struct response_type {
51 struct completion work;
52 int type;
53 };
54 #define PCIXCC_RESPONSE_TYPE_ICA 0
55 #define PCIXCC_RESPONSE_TYPE_XCRB 1
56 #define PCIXCC_RESPONSE_TYPE_EP11 2
57
58 MODULE_AUTHOR("IBM Corporation");
59 MODULE_DESCRIPTION("Cryptographic Coprocessor (message type 6), " \
60 "Copyright IBM Corp. 2001, 2012");
61 MODULE_LICENSE("GPL");
62
63 static void zcrypt_msgtype6_receive(struct ap_device *, struct ap_message *,
64 struct ap_message *);
65
66 /**
67 * CPRB
68 * Note that all shorts, ints and longs are little-endian.
69 * All pointer fields are 32-bits long, and mean nothing
70 *
71 * A request CPRB is followed by a request_parameter_block.
72 *
73 * The request (or reply) parameter block is organized thus:
74 * function code
75 * VUD block
76 * key block
77 */
78 struct CPRB {
79 unsigned short cprb_len; /* CPRB length */
80 unsigned char cprb_ver_id; /* CPRB version id. */
81 unsigned char pad_000; /* Alignment pad byte. */
82 unsigned char srpi_rtcode[4]; /* SRPI return code LELONG */
83 unsigned char srpi_verb; /* SRPI verb type */
84 unsigned char flags; /* flags */
85 unsigned char func_id[2]; /* function id */
86 unsigned char checkpoint_flag; /* */
87 unsigned char resv2; /* reserved */
88 unsigned short req_parml; /* request parameter buffer */
89 /* length 16-bit little endian */
90 unsigned char req_parmp[4]; /* request parameter buffer *
91 * pointer (means nothing: the *
92 * parameter buffer follows *
93 * the CPRB). */
94 unsigned char req_datal[4]; /* request data buffer */
95 /* length ULELONG */
96 unsigned char req_datap[4]; /* request data buffer */
97 /* pointer */
98 unsigned short rpl_parml; /* reply parameter buffer */
99 /* length 16-bit little endian */
100 unsigned char pad_001[2]; /* Alignment pad bytes. ULESHORT */
101 unsigned char rpl_parmp[4]; /* reply parameter buffer *
102 * pointer (means nothing: the *
103 * parameter buffer follows *
104 * the CPRB). */
105 unsigned char rpl_datal[4]; /* reply data buffer len ULELONG */
106 unsigned char rpl_datap[4]; /* reply data buffer */
107 /* pointer */
108 unsigned short ccp_rscode; /* server reason code ULESHORT */
109 unsigned short ccp_rtcode; /* server return code ULESHORT */
110 unsigned char repd_parml[2]; /* replied parameter len ULESHORT*/
111 unsigned char mac_data_len[2]; /* Mac Data Length ULESHORT */
112 unsigned char repd_datal[4]; /* replied data length ULELONG */
113 unsigned char req_pc[2]; /* PC identifier */
114 unsigned char res_origin[8]; /* resource origin */
115 unsigned char mac_value[8]; /* Mac Value */
116 unsigned char logon_id[8]; /* Logon Identifier */
117 unsigned char usage_domain[2]; /* cdx */
118 unsigned char resv3[18]; /* reserved for requestor */
119 unsigned short svr_namel; /* server name length ULESHORT */
120 unsigned char svr_name[8]; /* server name */
121 } __packed;
122
123 struct function_and_rules_block {
124 unsigned char function_code[2];
125 unsigned short ulen;
126 unsigned char only_rule[8];
127 } __packed;
128
129 /**
130 * The following is used to initialize the CPRBX passed to the PCIXCC/CEX2C
131 * card in a type6 message. The 3 fields that must be filled in at execution
132 * time are req_parml, rpl_parml and usage_domain.
133 * Everything about this interface is ascii/big-endian, since the
134 * device does *not* have 'Intel inside'.
135 *
136 * The CPRBX is followed immediately by the parm block.
137 * The parm block contains:
138 * - function code ('PD' 0x5044 or 'PK' 0x504B)
139 * - rule block (one of:)
140 * + 0x000A 'PKCS-1.2' (MCL2 'PD')
141 * + 0x000A 'ZERO-PAD' (MCL2 'PK')
142 * + 0x000A 'ZERO-PAD' (MCL3 'PD' or CEX2C 'PD')
143 * + 0x000A 'MRP ' (MCL3 'PK' or CEX2C 'PK')
144 * - VUD block
145 */
146 static struct CPRBX static_cprbx = {
147 .cprb_len = 0x00DC,
148 .cprb_ver_id = 0x02,
149 .func_id = {0x54, 0x32},
150 };
151
152 /**
153 * Convert a ICAMEX message to a type6 MEX message.
154 *
155 * @zdev: crypto device pointer
156 * @ap_msg: pointer to AP message
157 * @mex: pointer to user input data
158 *
159 * Returns 0 on success or -EFAULT.
160 */
161 static int ICAMEX_msg_to_type6MEX_msgX(struct zcrypt_device *zdev,
162 struct ap_message *ap_msg,
163 struct ica_rsa_modexpo *mex)
164 {
165 static struct type6_hdr static_type6_hdrX = {
166 .type = 0x06,
167 .offset1 = 0x00000058,
168 .agent_id = {'C', 'A',},
169 .function_code = {'P', 'K'},
170 };
171 static struct function_and_rules_block static_pke_fnr = {
172 .function_code = {'P', 'K'},
173 .ulen = 10,
174 .only_rule = {'M', 'R', 'P', ' ', ' ', ' ', ' ', ' '}
175 };
176 static struct function_and_rules_block static_pke_fnr_MCL2 = {
177 .function_code = {'P', 'K'},
178 .ulen = 10,
179 .only_rule = {'Z', 'E', 'R', 'O', '-', 'P', 'A', 'D'}
180 };
181 struct {
182 struct type6_hdr hdr;
183 struct CPRBX cprbx;
184 struct function_and_rules_block fr;
185 unsigned short length;
186 char text[0];
187 } __packed * msg = ap_msg->message;
188 int size;
189
190 /* VUD.ciphertext */
191 msg->length = mex->inputdatalength + 2;
192 if (copy_from_user(msg->text, mex->inputdata, mex->inputdatalength))
193 return -EFAULT;
194
195 /* Set up key which is located after the variable length text. */
196 size = zcrypt_type6_mex_key_en(mex, msg->text+mex->inputdatalength, 1);
197 if (size < 0)
198 return size;
199 size += sizeof(*msg) + mex->inputdatalength;
200
201 /* message header, cprbx and f&r */
202 msg->hdr = static_type6_hdrX;
203 msg->hdr.ToCardLen1 = size - sizeof(msg->hdr);
204 msg->hdr.FromCardLen1 = PCIXCC_MAX_ICA_RESPONSE_SIZE - sizeof(msg->hdr);
205
206 msg->cprbx = static_cprbx;
207 msg->cprbx.domain = AP_QID_QUEUE(zdev->ap_dev->qid);
208 msg->cprbx.rpl_msgbl = msg->hdr.FromCardLen1;
209
210 msg->fr = (zdev->user_space_type == ZCRYPT_PCIXCC_MCL2) ?
211 static_pke_fnr_MCL2 : static_pke_fnr;
212
213 msg->cprbx.req_parml = size - sizeof(msg->hdr) - sizeof(msg->cprbx);
214
215 ap_msg->length = size;
216 return 0;
217 }
218
219 /**
220 * Convert a ICACRT message to a type6 CRT message.
221 *
222 * @zdev: crypto device pointer
223 * @ap_msg: pointer to AP message
224 * @crt: pointer to user input data
225 *
226 * Returns 0 on success or -EFAULT.
227 */
228 static int ICACRT_msg_to_type6CRT_msgX(struct zcrypt_device *zdev,
229 struct ap_message *ap_msg,
230 struct ica_rsa_modexpo_crt *crt)
231 {
232 static struct type6_hdr static_type6_hdrX = {
233 .type = 0x06,
234 .offset1 = 0x00000058,
235 .agent_id = {'C', 'A',},
236 .function_code = {'P', 'D'},
237 };
238 static struct function_and_rules_block static_pkd_fnr = {
239 .function_code = {'P', 'D'},
240 .ulen = 10,
241 .only_rule = {'Z', 'E', 'R', 'O', '-', 'P', 'A', 'D'}
242 };
243
244 static struct function_and_rules_block static_pkd_fnr_MCL2 = {
245 .function_code = {'P', 'D'},
246 .ulen = 10,
247 .only_rule = {'P', 'K', 'C', 'S', '-', '1', '.', '2'}
248 };
249 struct {
250 struct type6_hdr hdr;
251 struct CPRBX cprbx;
252 struct function_and_rules_block fr;
253 unsigned short length;
254 char text[0];
255 } __packed * msg = ap_msg->message;
256 int size;
257
258 /* VUD.ciphertext */
259 msg->length = crt->inputdatalength + 2;
260 if (copy_from_user(msg->text, crt->inputdata, crt->inputdatalength))
261 return -EFAULT;
262
263 /* Set up key which is located after the variable length text. */
264 size = zcrypt_type6_crt_key(crt, msg->text + crt->inputdatalength, 1);
265 if (size < 0)
266 return size;
267 size += sizeof(*msg) + crt->inputdatalength; /* total size of msg */
268
269 /* message header, cprbx and f&r */
270 msg->hdr = static_type6_hdrX;
271 msg->hdr.ToCardLen1 = size - sizeof(msg->hdr);
272 msg->hdr.FromCardLen1 = PCIXCC_MAX_ICA_RESPONSE_SIZE - sizeof(msg->hdr);
273
274 msg->cprbx = static_cprbx;
275 msg->cprbx.domain = AP_QID_QUEUE(zdev->ap_dev->qid);
276 msg->cprbx.req_parml = msg->cprbx.rpl_msgbl =
277 size - sizeof(msg->hdr) - sizeof(msg->cprbx);
278
279 msg->fr = (zdev->user_space_type == ZCRYPT_PCIXCC_MCL2) ?
280 static_pkd_fnr_MCL2 : static_pkd_fnr;
281
282 ap_msg->length = size;
283 return 0;
284 }
285
286 /**
287 * Convert a XCRB message to a type6 CPRB message.
288 *
289 * @zdev: crypto device pointer
290 * @ap_msg: pointer to AP message
291 * @xcRB: pointer to user input data
292 *
293 * Returns 0 on success or -EFAULT, -EINVAL.
294 */
295 struct type86_fmt2_msg {
296 struct type86_hdr hdr;
297 struct type86_fmt2_ext fmt2;
298 } __packed;
299
300 static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
301 struct ap_message *ap_msg,
302 struct ica_xcRB *xcRB)
303 {
304 static struct type6_hdr static_type6_hdrX = {
305 .type = 0x06,
306 .offset1 = 0x00000058,
307 };
308 struct {
309 struct type6_hdr hdr;
310 struct CPRBX cprbx;
311 } __packed * msg = ap_msg->message;
312
313 int rcblen = CEIL4(xcRB->request_control_blk_length);
314 int replylen, req_sumlen, resp_sumlen;
315 char *req_data = ap_msg->message + sizeof(struct type6_hdr) + rcblen;
316 char *function_code;
317
318 if (CEIL4(xcRB->request_control_blk_length) <
319 xcRB->request_control_blk_length)
320 return -EINVAL; /* overflow after alignment*/
321
322 /* length checks */
323 ap_msg->length = sizeof(struct type6_hdr) +
324 CEIL4(xcRB->request_control_blk_length) +
325 xcRB->request_data_length;
326 if (ap_msg->length > MSGTYPE06_MAX_MSG_SIZE)
327 return -EINVAL;
328
329 /* Overflow check
330 sum must be greater (or equal) than the largest operand */
331 req_sumlen = CEIL4(xcRB->request_control_blk_length) +
332 xcRB->request_data_length;
333 if ((CEIL4(xcRB->request_control_blk_length) <=
334 xcRB->request_data_length) ?
335 (req_sumlen < xcRB->request_data_length) :
336 (req_sumlen < CEIL4(xcRB->request_control_blk_length))) {
337 return -EINVAL;
338 }
339
340 if (CEIL4(xcRB->reply_control_blk_length) <
341 xcRB->reply_control_blk_length)
342 return -EINVAL; /* overflow after alignment*/
343
344 replylen = sizeof(struct type86_fmt2_msg) +
345 CEIL4(xcRB->reply_control_blk_length) +
346 xcRB->reply_data_length;
347 if (replylen > MSGTYPE06_MAX_MSG_SIZE)
348 return -EINVAL;
349
350 /* Overflow check
351 sum must be greater (or equal) than the largest operand */
352 resp_sumlen = CEIL4(xcRB->reply_control_blk_length) +
353 xcRB->reply_data_length;
354 if ((CEIL4(xcRB->reply_control_blk_length) <= xcRB->reply_data_length) ?
355 (resp_sumlen < xcRB->reply_data_length) :
356 (resp_sumlen < CEIL4(xcRB->reply_control_blk_length))) {
357 return -EINVAL;
358 }
359
360 /* prepare type6 header */
361 msg->hdr = static_type6_hdrX;
362 memcpy(msg->hdr.agent_id , &(xcRB->agent_ID), sizeof(xcRB->agent_ID));
363 msg->hdr.ToCardLen1 = xcRB->request_control_blk_length;
364 if (xcRB->request_data_length) {
365 msg->hdr.offset2 = msg->hdr.offset1 + rcblen;
366 msg->hdr.ToCardLen2 = xcRB->request_data_length;
367 }
368 msg->hdr.FromCardLen1 = xcRB->reply_control_blk_length;
369 msg->hdr.FromCardLen2 = xcRB->reply_data_length;
370
371 /* prepare CPRB */
372 if (copy_from_user(&(msg->cprbx), xcRB->request_control_blk_addr,
373 xcRB->request_control_blk_length))
374 return -EFAULT;
375 if (msg->cprbx.cprb_len + sizeof(msg->hdr.function_code) >
376 xcRB->request_control_blk_length)
377 return -EINVAL;
378 function_code = ((unsigned char *)&msg->cprbx) + msg->cprbx.cprb_len;
379 memcpy(msg->hdr.function_code, function_code,
380 sizeof(msg->hdr.function_code));
381
382 if (memcmp(function_code, "US", 2) == 0)
383 ap_msg->special = 1;
384 else
385 ap_msg->special = 0;
386
387 /* copy data block */
388 if (xcRB->request_data_length &&
389 copy_from_user(req_data, xcRB->request_data_address,
390 xcRB->request_data_length))
391 return -EFAULT;
392 return 0;
393 }
394
395 static int xcrb_msg_to_type6_ep11cprb_msgx(struct zcrypt_device *zdev,
396 struct ap_message *ap_msg,
397 struct ep11_urb *xcRB)
398 {
399 unsigned int lfmt;
400
401 static struct type6_hdr static_type6_ep11_hdr = {
402 .type = 0x06,
403 .rqid = {0x00, 0x01},
404 .function_code = {0x00, 0x00},
405 .agent_id[0] = 0x58, /* {'X'} */
406 .agent_id[1] = 0x43, /* {'C'} */
407 .offset1 = 0x00000058,
408 };
409
410 struct {
411 struct type6_hdr hdr;
412 struct ep11_cprb cprbx;
413 unsigned char pld_tag; /* fixed value 0x30 */
414 unsigned char pld_lenfmt; /* payload length format */
415 } __packed * msg = ap_msg->message;
416
417 struct pld_hdr {
418 unsigned char func_tag; /* fixed value 0x4 */
419 unsigned char func_len; /* fixed value 0x4 */
420 unsigned int func_val; /* function ID */
421 unsigned char dom_tag; /* fixed value 0x4 */
422 unsigned char dom_len; /* fixed value 0x4 */
423 unsigned int dom_val; /* domain id */
424 } __packed * payload_hdr;
425
426 if (CEIL4(xcRB->req_len) < xcRB->req_len)
427 return -EINVAL; /* overflow after alignment*/
428
429 /* length checks */
430 ap_msg->length = sizeof(struct type6_hdr) + xcRB->req_len;
431 if (CEIL4(xcRB->req_len) > MSGTYPE06_MAX_MSG_SIZE -
432 (sizeof(struct type6_hdr)))
433 return -EINVAL;
434
435 if (CEIL4(xcRB->resp_len) < xcRB->resp_len)
436 return -EINVAL; /* overflow after alignment*/
437
438 if (CEIL4(xcRB->resp_len) > MSGTYPE06_MAX_MSG_SIZE -
439 (sizeof(struct type86_fmt2_msg)))
440 return -EINVAL;
441
442 /* prepare type6 header */
443 msg->hdr = static_type6_ep11_hdr;
444 msg->hdr.ToCardLen1 = xcRB->req_len;
445 msg->hdr.FromCardLen1 = xcRB->resp_len;
446
447 /* Import CPRB data from the ioctl input parameter */
448 if (copy_from_user(&(msg->cprbx.cprb_len),
449 (char __force __user *)xcRB->req, xcRB->req_len)) {
450 return -EFAULT;
451 }
452
453 /*
454 The target domain field within the cprb body/payload block will be
455 replaced by the usage domain for non-management commands only.
456 Therefore we check the first bit of the 'flags' parameter for
457 management command indication.
458 0 - non management command
459 1 - management command
460 */
461 if (!((msg->cprbx.flags & 0x80) == 0x80)) {
462 msg->cprbx.target_id = (unsigned int)
463 AP_QID_QUEUE(zdev->ap_dev->qid);
464
465 if ((msg->pld_lenfmt & 0x80) == 0x80) { /*ext.len.fmt 2 or 3*/
466 switch (msg->pld_lenfmt & 0x03) {
467 case 1:
468 lfmt = 2;
469 break;
470 case 2:
471 lfmt = 3;
472 break;
473 default:
474 return -EINVAL;
475 }
476 } else {
477 lfmt = 1; /* length format #1 */
478 }
479 payload_hdr = (struct pld_hdr *)((&(msg->pld_lenfmt))+lfmt);
480 payload_hdr->dom_val = (unsigned int)
481 AP_QID_QUEUE(zdev->ap_dev->qid);
482 }
483 return 0;
484 }
485
486 /**
487 * Copy results from a type 86 ICA reply message back to user space.
488 *
489 * @zdev: crypto device pointer
490 * @reply: reply AP message.
491 * @data: pointer to user output data
492 * @length: size of user output data
493 *
494 * Returns 0 on success or -EINVAL, -EFAULT, -EAGAIN in case of an error.
495 */
496 struct type86x_reply {
497 struct type86_hdr hdr;
498 struct type86_fmt2_ext fmt2;
499 struct CPRBX cprbx;
500 unsigned char pad[4]; /* 4 byte function code/rules block ? */
501 unsigned short length;
502 char text[0];
503 } __packed;
504
505 struct type86_ep11_reply {
506 struct type86_hdr hdr;
507 struct type86_fmt2_ext fmt2;
508 struct ep11_cprb cprbx;
509 } __packed;
510
511 static int convert_type86_ica(struct zcrypt_device *zdev,
512 struct ap_message *reply,
513 char __user *outputdata,
514 unsigned int outputdatalength)
515 {
516 static unsigned char static_pad[] = {
517 0x00, 0x02,
518 0x1B, 0x7B, 0x5D, 0xB5, 0x75, 0x01, 0x3D, 0xFD,
519 0x8D, 0xD1, 0xC7, 0x03, 0x2D, 0x09, 0x23, 0x57,
520 0x89, 0x49, 0xB9, 0x3F, 0xBB, 0x99, 0x41, 0x5B,
521 0x75, 0x21, 0x7B, 0x9D, 0x3B, 0x6B, 0x51, 0x39,
522 0xBB, 0x0D, 0x35, 0xB9, 0x89, 0x0F, 0x93, 0xA5,
523 0x0B, 0x47, 0xF1, 0xD3, 0xBB, 0xCB, 0xF1, 0x9D,
524 0x23, 0x73, 0x71, 0xFF, 0xF3, 0xF5, 0x45, 0xFB,
525 0x61, 0x29, 0x23, 0xFD, 0xF1, 0x29, 0x3F, 0x7F,
526 0x17, 0xB7, 0x1B, 0xA9, 0x19, 0xBD, 0x57, 0xA9,
527 0xD7, 0x95, 0xA3, 0xCB, 0xED, 0x1D, 0xDB, 0x45,
528 0x7D, 0x11, 0xD1, 0x51, 0x1B, 0xED, 0x71, 0xE9,
529 0xB1, 0xD1, 0xAB, 0xAB, 0x21, 0x2B, 0x1B, 0x9F,
530 0x3B, 0x9F, 0xF7, 0xF7, 0xBD, 0x63, 0xEB, 0xAD,
531 0xDF, 0xB3, 0x6F, 0x5B, 0xDB, 0x8D, 0xA9, 0x5D,
532 0xE3, 0x7D, 0x77, 0x49, 0x47, 0xF5, 0xA7, 0xFD,
533 0xAB, 0x2F, 0x27, 0x35, 0x77, 0xD3, 0x49, 0xC9,
534 0x09, 0xEB, 0xB1, 0xF9, 0xBF, 0x4B, 0xCB, 0x2B,
535 0xEB, 0xEB, 0x05, 0xFF, 0x7D, 0xC7, 0x91, 0x8B,
536 0x09, 0x83, 0xB9, 0xB9, 0x69, 0x33, 0x39, 0x6B,
537 0x79, 0x75, 0x19, 0xBF, 0xBB, 0x07, 0x1D, 0xBD,
538 0x29, 0xBF, 0x39, 0x95, 0x93, 0x1D, 0x35, 0xC7,
539 0xC9, 0x4D, 0xE5, 0x97, 0x0B, 0x43, 0x9B, 0xF1,
540 0x16, 0x93, 0x03, 0x1F, 0xA5, 0xFB, 0xDB, 0xF3,
541 0x27, 0x4F, 0x27, 0x61, 0x05, 0x1F, 0xB9, 0x23,
542 0x2F, 0xC3, 0x81, 0xA9, 0x23, 0x71, 0x55, 0x55,
543 0xEB, 0xED, 0x41, 0xE5, 0xF3, 0x11, 0xF1, 0x43,
544 0x69, 0x03, 0xBD, 0x0B, 0x37, 0x0F, 0x51, 0x8F,
545 0x0B, 0xB5, 0x89, 0x5B, 0x67, 0xA9, 0xD9, 0x4F,
546 0x01, 0xF9, 0x21, 0x77, 0x37, 0x73, 0x79, 0xC5,
547 0x7F, 0x51, 0xC1, 0xCF, 0x97, 0xA1, 0x75, 0xAD,
548 0x35, 0x9D, 0xD3, 0xD3, 0xA7, 0x9D, 0x5D, 0x41,
549 0x6F, 0x65, 0x1B, 0xCF, 0xA9, 0x87, 0x91, 0x09
550 };
551 struct type86x_reply *msg = reply->message;
552 unsigned short service_rc, service_rs;
553 unsigned int reply_len, pad_len;
554 char *data;
555
556 service_rc = msg->cprbx.ccp_rtcode;
557 if (unlikely(service_rc != 0)) {
558 service_rs = msg->cprbx.ccp_rscode;
559 if (service_rc == 8 && service_rs == 66)
560 return -EINVAL;
561 if (service_rc == 8 && service_rs == 65)
562 return -EINVAL;
563 if (service_rc == 8 && service_rs == 770)
564 return -EINVAL;
565 if (service_rc == 8 && service_rs == 783) {
566 zdev->min_mod_size = PCIXCC_MIN_MOD_SIZE_OLD;
567 return -EAGAIN;
568 }
569 if (service_rc == 12 && service_rs == 769)
570 return -EINVAL;
571 if (service_rc == 8 && service_rs == 72)
572 return -EINVAL;
573 zdev->online = 0;
574 pr_err("Cryptographic device %x failed and was set offline\n",
575 zdev->ap_dev->qid);
576 ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
577 zdev->ap_dev->qid, zdev->online,
578 msg->hdr.reply_code);
579 return -EAGAIN; /* repeat the request on a different device. */
580 }
581 data = msg->text;
582 reply_len = msg->length - 2;
583 if (reply_len > outputdatalength)
584 return -EINVAL;
585 /*
586 * For all encipher requests, the length of the ciphertext (reply_len)
587 * will always equal the modulus length. For MEX decipher requests
588 * the output needs to get padded. Minimum pad size is 10.
589 *
590 * Currently, the cases where padding will be added is for:
591 * - PCIXCC_MCL2 using a CRT form token (since PKD didn't support
592 * ZERO-PAD and CRT is only supported for PKD requests)
593 * - PCICC, always
594 */
595 pad_len = outputdatalength - reply_len;
596 if (pad_len > 0) {
597 if (pad_len < 10)
598 return -EINVAL;
599 /* 'restore' padding left in the PCICC/PCIXCC card. */
600 if (copy_to_user(outputdata, static_pad, pad_len - 1))
601 return -EFAULT;
602 if (put_user(0, outputdata + pad_len - 1))
603 return -EFAULT;
604 }
605 /* Copy the crypto response to user space. */
606 if (copy_to_user(outputdata + pad_len, data, reply_len))
607 return -EFAULT;
608 return 0;
609 }
610
611 /**
612 * Copy results from a type 86 XCRB reply message back to user space.
613 *
614 * @zdev: crypto device pointer
615 * @reply: reply AP message.
616 * @xcRB: pointer to XCRB
617 *
618 * Returns 0 on success or -EINVAL, -EFAULT, -EAGAIN in case of an error.
619 */
620 static int convert_type86_xcrb(struct zcrypt_device *zdev,
621 struct ap_message *reply,
622 struct ica_xcRB *xcRB)
623 {
624 struct type86_fmt2_msg *msg = reply->message;
625 char *data = reply->message;
626
627 /* Copy CPRB to user */
628 if (copy_to_user(xcRB->reply_control_blk_addr,
629 data + msg->fmt2.offset1, msg->fmt2.count1))
630 return -EFAULT;
631 xcRB->reply_control_blk_length = msg->fmt2.count1;
632
633 /* Copy data buffer to user */
634 if (msg->fmt2.count2)
635 if (copy_to_user(xcRB->reply_data_addr,
636 data + msg->fmt2.offset2, msg->fmt2.count2))
637 return -EFAULT;
638 xcRB->reply_data_length = msg->fmt2.count2;
639 return 0;
640 }
641
642 /**
643 * Copy results from a type 86 EP11 XCRB reply message back to user space.
644 *
645 * @zdev: crypto device pointer
646 * @reply: reply AP message.
647 * @xcRB: pointer to EP11 user request block
648 *
649 * Returns 0 on success or -EINVAL, -EFAULT, -EAGAIN in case of an error.
650 */
651 static int convert_type86_ep11_xcrb(struct zcrypt_device *zdev,
652 struct ap_message *reply,
653 struct ep11_urb *xcRB)
654 {
655 struct type86_fmt2_msg *msg = reply->message;
656 char *data = reply->message;
657
658 if (xcRB->resp_len < msg->fmt2.count1)
659 return -EINVAL;
660
661 /* Copy response CPRB to user */
662 if (copy_to_user((char __force __user *)xcRB->resp,
663 data + msg->fmt2.offset1, msg->fmt2.count1))
664 return -EFAULT;
665 xcRB->resp_len = msg->fmt2.count1;
666 return 0;
667 }
668
669 static int convert_type86_rng(struct zcrypt_device *zdev,
670 struct ap_message *reply,
671 char *buffer)
672 {
673 struct {
674 struct type86_hdr hdr;
675 struct type86_fmt2_ext fmt2;
676 struct CPRBX cprbx;
677 } __packed * msg = reply->message;
678 char *data = reply->message;
679
680 if (msg->cprbx.ccp_rtcode != 0 || msg->cprbx.ccp_rscode != 0)
681 return -EINVAL;
682 memcpy(buffer, data + msg->fmt2.offset2, msg->fmt2.count2);
683 return msg->fmt2.count2;
684 }
685
686 static int convert_response_ica(struct zcrypt_device *zdev,
687 struct ap_message *reply,
688 char __user *outputdata,
689 unsigned int outputdatalength)
690 {
691 struct type86x_reply *msg = reply->message;
692
693 /* Response type byte is the second byte in the response. */
694 switch (((unsigned char *) reply->message)[1]) {
695 case TYPE82_RSP_CODE:
696 case TYPE88_RSP_CODE:
697 return convert_error(zdev, reply);
698 case TYPE86_RSP_CODE:
699 if (msg->cprbx.ccp_rtcode &&
700 (msg->cprbx.ccp_rscode == 0x14f) &&
701 (outputdatalength > 256)) {
702 if (zdev->max_exp_bit_length <= 17) {
703 zdev->max_exp_bit_length = 17;
704 return -EAGAIN;
705 } else
706 return -EINVAL;
707 }
708 if (msg->hdr.reply_code)
709 return convert_error(zdev, reply);
710 if (msg->cprbx.cprb_ver_id == 0x02)
711 return convert_type86_ica(zdev, reply,
712 outputdata, outputdatalength);
713 /* Fall through, no break, incorrect cprb version is an unknown
714 * response */
715 default: /* Unknown response type, this should NEVER EVER happen */
716 zdev->online = 0;
717 pr_err("Cryptographic device %x failed and was set offline\n",
718 zdev->ap_dev->qid);
719 ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
720 zdev->ap_dev->qid, zdev->online);
721 return -EAGAIN; /* repeat the request on a different device. */
722 }
723 }
724
725 static int convert_response_xcrb(struct zcrypt_device *zdev,
726 struct ap_message *reply,
727 struct ica_xcRB *xcRB)
728 {
729 struct type86x_reply *msg = reply->message;
730
731 /* Response type byte is the second byte in the response. */
732 switch (((unsigned char *) reply->message)[1]) {
733 case TYPE82_RSP_CODE:
734 case TYPE88_RSP_CODE:
735 xcRB->status = 0x0008044DL; /* HDD_InvalidParm */
736 return convert_error(zdev, reply);
737 case TYPE86_RSP_CODE:
738 if (msg->hdr.reply_code) {
739 memcpy(&(xcRB->status), msg->fmt2.apfs, sizeof(u32));
740 return convert_error(zdev, reply);
741 }
742 if (msg->cprbx.cprb_ver_id == 0x02)
743 return convert_type86_xcrb(zdev, reply, xcRB);
744 /* Fall through, no break, incorrect cprb version is an unknown
745 * response */
746 default: /* Unknown response type, this should NEVER EVER happen */
747 xcRB->status = 0x0008044DL; /* HDD_InvalidParm */
748 zdev->online = 0;
749 pr_err("Cryptographic device %x failed and was set offline\n",
750 zdev->ap_dev->qid);
751 ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
752 zdev->ap_dev->qid, zdev->online);
753 return -EAGAIN; /* repeat the request on a different device. */
754 }
755 }
756
757 static int convert_response_ep11_xcrb(struct zcrypt_device *zdev,
758 struct ap_message *reply, struct ep11_urb *xcRB)
759 {
760 struct type86_ep11_reply *msg = reply->message;
761
762 /* Response type byte is the second byte in the response. */
763 switch (((unsigned char *)reply->message)[1]) {
764 case TYPE82_RSP_CODE:
765 case TYPE87_RSP_CODE:
766 return convert_error(zdev, reply);
767 case TYPE86_RSP_CODE:
768 if (msg->hdr.reply_code)
769 return convert_error(zdev, reply);
770 if (msg->cprbx.cprb_ver_id == 0x04)
771 return convert_type86_ep11_xcrb(zdev, reply, xcRB);
772 /* Fall through, no break, incorrect cprb version is an unknown resp.*/
773 default: /* Unknown response type, this should NEVER EVER happen */
774 zdev->online = 0;
775 pr_err("Cryptographic device %x failed and was set offline\n",
776 zdev->ap_dev->qid);
777 ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
778 zdev->ap_dev->qid, zdev->online);
779 return -EAGAIN; /* repeat the request on a different device. */
780 }
781 }
782
783 static int convert_response_rng(struct zcrypt_device *zdev,
784 struct ap_message *reply,
785 char *data)
786 {
787 struct type86x_reply *msg = reply->message;
788
789 switch (msg->hdr.type) {
790 case TYPE82_RSP_CODE:
791 case TYPE88_RSP_CODE:
792 return -EINVAL;
793 case TYPE86_RSP_CODE:
794 if (msg->hdr.reply_code)
795 return -EINVAL;
796 if (msg->cprbx.cprb_ver_id == 0x02)
797 return convert_type86_rng(zdev, reply, data);
798 /* Fall through, no break, incorrect cprb version is an unknown
799 * response */
800 default: /* Unknown response type, this should NEVER EVER happen */
801 zdev->online = 0;
802 pr_err("Cryptographic device %x failed and was set offline\n",
803 zdev->ap_dev->qid);
804 ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
805 zdev->ap_dev->qid, zdev->online);
806 return -EAGAIN; /* repeat the request on a different device. */
807 }
808 }
809
810 /**
811 * This function is called from the AP bus code after a crypto request
812 * "msg" has finished with the reply message "reply".
813 * It is called from tasklet context.
814 * @ap_dev: pointer to the AP device
815 * @msg: pointer to the AP message
816 * @reply: pointer to the AP reply message
817 */
818 static void zcrypt_msgtype6_receive(struct ap_device *ap_dev,
819 struct ap_message *msg,
820 struct ap_message *reply)
821 {
822 static struct error_hdr error_reply = {
823 .type = TYPE82_RSP_CODE,
824 .reply_code = REP82_ERROR_MACHINE_FAILURE,
825 };
826 struct response_type *resp_type =
827 (struct response_type *) msg->private;
828 struct type86x_reply *t86r;
829 int length;
830
831 /* Copy the reply message to the request message buffer. */
832 if (!reply)
833 goto out; /* ap_msg->rc indicates the error */
834 t86r = reply->message;
835 if (t86r->hdr.type == TYPE86_RSP_CODE &&
836 t86r->cprbx.cprb_ver_id == 0x02) {
837 switch (resp_type->type) {
838 case PCIXCC_RESPONSE_TYPE_ICA:
839 length = sizeof(struct type86x_reply)
840 + t86r->length - 2;
841 length = min(PCIXCC_MAX_ICA_RESPONSE_SIZE, length);
842 memcpy(msg->message, reply->message, length);
843 break;
844 case PCIXCC_RESPONSE_TYPE_XCRB:
845 length = t86r->fmt2.offset2 + t86r->fmt2.count2;
846 length = min(MSGTYPE06_MAX_MSG_SIZE, length);
847 memcpy(msg->message, reply->message, length);
848 break;
849 default:
850 memcpy(msg->message, &error_reply,
851 sizeof(error_reply));
852 }
853 } else
854 memcpy(msg->message, reply->message, sizeof(error_reply));
855 out:
856 complete(&(resp_type->work));
857 }
858
859 /**
860 * This function is called from the AP bus code after a crypto request
861 * "msg" has finished with the reply message "reply".
862 * It is called from tasklet context.
863 * @ap_dev: pointer to the AP device
864 * @msg: pointer to the AP message
865 * @reply: pointer to the AP reply message
866 */
867 static void zcrypt_msgtype6_receive_ep11(struct ap_device *ap_dev,
868 struct ap_message *msg,
869 struct ap_message *reply)
870 {
871 static struct error_hdr error_reply = {
872 .type = TYPE82_RSP_CODE,
873 .reply_code = REP82_ERROR_MACHINE_FAILURE,
874 };
875 struct response_type *resp_type =
876 (struct response_type *)msg->private;
877 struct type86_ep11_reply *t86r;
878 int length;
879
880 /* Copy the reply message to the request message buffer. */
881 if (!reply)
882 goto out; /* ap_msg->rc indicates the error */
883 t86r = reply->message;
884 if (t86r->hdr.type == TYPE86_RSP_CODE &&
885 t86r->cprbx.cprb_ver_id == 0x04) {
886 switch (resp_type->type) {
887 case PCIXCC_RESPONSE_TYPE_EP11:
888 length = t86r->fmt2.offset1 + t86r->fmt2.count1;
889 length = min(MSGTYPE06_MAX_MSG_SIZE, length);
890 memcpy(msg->message, reply->message, length);
891 break;
892 default:
893 memcpy(msg->message, &error_reply, sizeof(error_reply));
894 }
895 } else {
896 memcpy(msg->message, reply->message, sizeof(error_reply));
897 }
898 out:
899 complete(&(resp_type->work));
900 }
901
902 static atomic_t zcrypt_step = ATOMIC_INIT(0);
903
904 /**
905 * The request distributor calls this function if it picked the PCIXCC/CEX2C
906 * device to handle a modexpo request.
907 * @zdev: pointer to zcrypt_device structure that identifies the
908 * PCIXCC/CEX2C device to the request distributor
909 * @mex: pointer to the modexpo request buffer
910 */
911 static long zcrypt_msgtype6_modexpo(struct zcrypt_device *zdev,
912 struct ica_rsa_modexpo *mex)
913 {
914 struct ap_message ap_msg;
915 struct response_type resp_type = {
916 .type = PCIXCC_RESPONSE_TYPE_ICA,
917 };
918 int rc;
919
920 ap_init_message(&ap_msg);
921 ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
922 if (!ap_msg.message)
923 return -ENOMEM;
924 ap_msg.receive = zcrypt_msgtype6_receive;
925 ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
926 atomic_inc_return(&zcrypt_step);
927 ap_msg.private = &resp_type;
928 rc = ICAMEX_msg_to_type6MEX_msgX(zdev, &ap_msg, mex);
929 if (rc)
930 goto out_free;
931 init_completion(&resp_type.work);
932 ap_queue_message(zdev->ap_dev, &ap_msg);
933 rc = wait_for_completion_interruptible(&resp_type.work);
934 if (rc == 0) {
935 rc = ap_msg.rc;
936 if (rc == 0)
937 rc = convert_response_ica(zdev, &ap_msg,
938 mex->outputdata,
939 mex->outputdatalength);
940 } else
941 /* Signal pending. */
942 ap_cancel_message(zdev->ap_dev, &ap_msg);
943 out_free:
944 free_page((unsigned long) ap_msg.message);
945 return rc;
946 }
947
948 /**
949 * The request distributor calls this function if it picked the PCIXCC/CEX2C
950 * device to handle a modexpo_crt request.
951 * @zdev: pointer to zcrypt_device structure that identifies the
952 * PCIXCC/CEX2C device to the request distributor
953 * @crt: pointer to the modexpoc_crt request buffer
954 */
955 static long zcrypt_msgtype6_modexpo_crt(struct zcrypt_device *zdev,
956 struct ica_rsa_modexpo_crt *crt)
957 {
958 struct ap_message ap_msg;
959 struct response_type resp_type = {
960 .type = PCIXCC_RESPONSE_TYPE_ICA,
961 };
962 int rc;
963
964 ap_init_message(&ap_msg);
965 ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
966 if (!ap_msg.message)
967 return -ENOMEM;
968 ap_msg.receive = zcrypt_msgtype6_receive;
969 ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
970 atomic_inc_return(&zcrypt_step);
971 ap_msg.private = &resp_type;
972 rc = ICACRT_msg_to_type6CRT_msgX(zdev, &ap_msg, crt);
973 if (rc)
974 goto out_free;
975 init_completion(&resp_type.work);
976 ap_queue_message(zdev->ap_dev, &ap_msg);
977 rc = wait_for_completion_interruptible(&resp_type.work);
978 if (rc == 0) {
979 rc = ap_msg.rc;
980 if (rc == 0)
981 rc = convert_response_ica(zdev, &ap_msg,
982 crt->outputdata,
983 crt->outputdatalength);
984 } else
985 /* Signal pending. */
986 ap_cancel_message(zdev->ap_dev, &ap_msg);
987 out_free:
988 free_page((unsigned long) ap_msg.message);
989 return rc;
990 }
991
992 /**
993 * The request distributor calls this function if it picked the PCIXCC/CEX2C
994 * device to handle a send_cprb request.
995 * @zdev: pointer to zcrypt_device structure that identifies the
996 * PCIXCC/CEX2C device to the request distributor
997 * @xcRB: pointer to the send_cprb request buffer
998 */
999 static long zcrypt_msgtype6_send_cprb(struct zcrypt_device *zdev,
1000 struct ica_xcRB *xcRB)
1001 {
1002 struct ap_message ap_msg;
1003 struct response_type resp_type = {
1004 .type = PCIXCC_RESPONSE_TYPE_XCRB,
1005 };
1006 int rc;
1007
1008 ap_init_message(&ap_msg);
1009 ap_msg.message = kmalloc(MSGTYPE06_MAX_MSG_SIZE, GFP_KERNEL);
1010 if (!ap_msg.message)
1011 return -ENOMEM;
1012 ap_msg.receive = zcrypt_msgtype6_receive;
1013 ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
1014 atomic_inc_return(&zcrypt_step);
1015 ap_msg.private = &resp_type;
1016 rc = XCRB_msg_to_type6CPRB_msgX(zdev, &ap_msg, xcRB);
1017 if (rc)
1018 goto out_free;
1019 init_completion(&resp_type.work);
1020 ap_queue_message(zdev->ap_dev, &ap_msg);
1021 rc = wait_for_completion_interruptible(&resp_type.work);
1022 if (rc == 0) {
1023 rc = ap_msg.rc;
1024 if (rc == 0)
1025 rc = convert_response_xcrb(zdev, &ap_msg, xcRB);
1026 } else
1027 /* Signal pending. */
1028 ap_cancel_message(zdev->ap_dev, &ap_msg);
1029 out_free:
1030 kzfree(ap_msg.message);
1031 return rc;
1032 }
1033
1034 /**
1035 * The request distributor calls this function if it picked the CEX4P
1036 * device to handle a send_ep11_cprb request.
1037 * @zdev: pointer to zcrypt_device structure that identifies the
1038 * CEX4P device to the request distributor
1039 * @xcRB: pointer to the ep11 user request block
1040 */
1041 static long zcrypt_msgtype6_send_ep11_cprb(struct zcrypt_device *zdev,
1042 struct ep11_urb *xcrb)
1043 {
1044 struct ap_message ap_msg;
1045 struct response_type resp_type = {
1046 .type = PCIXCC_RESPONSE_TYPE_EP11,
1047 };
1048 int rc;
1049
1050 ap_init_message(&ap_msg);
1051 ap_msg.message = kmalloc(MSGTYPE06_MAX_MSG_SIZE, GFP_KERNEL);
1052 if (!ap_msg.message)
1053 return -ENOMEM;
1054 ap_msg.receive = zcrypt_msgtype6_receive_ep11;
1055 ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
1056 atomic_inc_return(&zcrypt_step);
1057 ap_msg.private = &resp_type;
1058 rc = xcrb_msg_to_type6_ep11cprb_msgx(zdev, &ap_msg, xcrb);
1059 if (rc)
1060 goto out_free;
1061 init_completion(&resp_type.work);
1062 ap_queue_message(zdev->ap_dev, &ap_msg);
1063 rc = wait_for_completion_interruptible(&resp_type.work);
1064 if (rc == 0) {
1065 rc = ap_msg.rc;
1066 if (rc == 0)
1067 rc = convert_response_ep11_xcrb(zdev, &ap_msg, xcrb);
1068 } else
1069 /* Signal pending. */
1070 ap_cancel_message(zdev->ap_dev, &ap_msg);
1071
1072 out_free:
1073 kzfree(ap_msg.message);
1074 return rc;
1075 }
1076
1077 /**
1078 * The request distributor calls this function if it picked the PCIXCC/CEX2C
1079 * device to generate random data.
1080 * @zdev: pointer to zcrypt_device structure that identifies the
1081 * PCIXCC/CEX2C device to the request distributor
1082 * @buffer: pointer to a memory page to return random data
1083 */
1084
1085 static long zcrypt_msgtype6_rng(struct zcrypt_device *zdev,
1086 char *buffer)
1087 {
1088 struct ap_message ap_msg;
1089 struct response_type resp_type = {
1090 .type = PCIXCC_RESPONSE_TYPE_XCRB,
1091 };
1092 int rc;
1093
1094 ap_init_message(&ap_msg);
1095 ap_msg.message = kmalloc(MSGTYPE06_MAX_MSG_SIZE, GFP_KERNEL);
1096 if (!ap_msg.message)
1097 return -ENOMEM;
1098 ap_msg.receive = zcrypt_msgtype6_receive;
1099 ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
1100 atomic_inc_return(&zcrypt_step);
1101 ap_msg.private = &resp_type;
1102 rng_type6CPRB_msgX(zdev->ap_dev, &ap_msg, ZCRYPT_RNG_BUFFER_SIZE);
1103 init_completion(&resp_type.work);
1104 ap_queue_message(zdev->ap_dev, &ap_msg);
1105 rc = wait_for_completion_interruptible(&resp_type.work);
1106 if (rc == 0) {
1107 rc = ap_msg.rc;
1108 if (rc == 0)
1109 rc = convert_response_rng(zdev, &ap_msg, buffer);
1110 } else
1111 /* Signal pending. */
1112 ap_cancel_message(zdev->ap_dev, &ap_msg);
1113 kfree(ap_msg.message);
1114 return rc;
1115 }
1116
1117 /**
1118 * The crypto operations for a PCIXCC/CEX2C card.
1119 */
1120 static struct zcrypt_ops zcrypt_msgtype6_norng_ops = {
1121 .owner = THIS_MODULE,
1122 .variant = MSGTYPE06_VARIANT_NORNG,
1123 .rsa_modexpo = zcrypt_msgtype6_modexpo,
1124 .rsa_modexpo_crt = zcrypt_msgtype6_modexpo_crt,
1125 .send_cprb = zcrypt_msgtype6_send_cprb,
1126 };
1127
1128 static struct zcrypt_ops zcrypt_msgtype6_ops = {
1129 .owner = THIS_MODULE,
1130 .variant = MSGTYPE06_VARIANT_DEFAULT,
1131 .rsa_modexpo = zcrypt_msgtype6_modexpo,
1132 .rsa_modexpo_crt = zcrypt_msgtype6_modexpo_crt,
1133 .send_cprb = zcrypt_msgtype6_send_cprb,
1134 .rng = zcrypt_msgtype6_rng,
1135 };
1136
1137 static struct zcrypt_ops zcrypt_msgtype6_ep11_ops = {
1138 .owner = THIS_MODULE,
1139 .variant = MSGTYPE06_VARIANT_EP11,
1140 .rsa_modexpo = NULL,
1141 .rsa_modexpo_crt = NULL,
1142 .send_ep11_cprb = zcrypt_msgtype6_send_ep11_cprb,
1143 };
1144
1145 int __init zcrypt_msgtype6_init(void)
1146 {
1147 zcrypt_msgtype_register(&zcrypt_msgtype6_norng_ops);
1148 zcrypt_msgtype_register(&zcrypt_msgtype6_ops);
1149 zcrypt_msgtype_register(&zcrypt_msgtype6_ep11_ops);
1150 return 0;
1151 }
1152
1153 void __exit zcrypt_msgtype6_exit(void)
1154 {
1155 zcrypt_msgtype_unregister(&zcrypt_msgtype6_norng_ops);
1156 zcrypt_msgtype_unregister(&zcrypt_msgtype6_ops);
1157 zcrypt_msgtype_unregister(&zcrypt_msgtype6_ep11_ops);
1158 }
1159
1160 module_init(zcrypt_msgtype6_init);
1161 module_exit(zcrypt_msgtype6_exit);
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