summaryrefslogtreecommitdiffstats
path: root/lib/librte_vhost/virtio_crypto.h
blob: e3b93573c8425dabca4639d67dff14705de68b2d (plain)
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
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2018 HUAWEI TECHNOLOGIES CO., LTD.
 */

#ifndef _VIRTIO_CRYPTO_H
#define _VIRTIO_CRYPTO_H

#define VIRTIO_CRYPTO_SERVICE_CIPHER 0
#define VIRTIO_CRYPTO_SERVICE_HASH   1
#define VIRTIO_CRYPTO_SERVICE_MAC    2
#define VIRTIO_CRYPTO_SERVICE_AEAD   3

#define VIRTIO_CRYPTO_OPCODE(service, op)   (((service) << 8) | (op))

struct virtio_crypto_ctrl_header {
#define VIRTIO_CRYPTO_CIPHER_CREATE_SESSION \
	   VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_CIPHER, 0x02)
#define VIRTIO_CRYPTO_CIPHER_DESTROY_SESSION \
	   VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_CIPHER, 0x03)
#define VIRTIO_CRYPTO_HASH_CREATE_SESSION \
	   VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_HASH, 0x02)
#define VIRTIO_CRYPTO_HASH_DESTROY_SESSION \
	   VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_HASH, 0x03)
#define VIRTIO_CRYPTO_MAC_CREATE_SESSION \
	   VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_MAC, 0x02)
#define VIRTIO_CRYPTO_MAC_DESTROY_SESSION \
	   VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_MAC, 0x03)
#define VIRTIO_CRYPTO_AEAD_CREATE_SESSION \
	   VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AEAD, 0x02)
#define VIRTIO_CRYPTO_AEAD_DESTROY_SESSION \
	   VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AEAD, 0x03)
	uint32_t opcode;
	uint32_t algo;
	uint32_t flag;
	/* data virtqueue id */
	uint32_t queue_id;
};

struct virtio_crypto_cipher_session_para {
#define VIRTIO_CRYPTO_NO_CIPHER                 0
#define VIRTIO_CRYPTO_CIPHER_ARC4               1
#define VIRTIO_CRYPTO_CIPHER_AES_ECB            2
#define VIRTIO_CRYPTO_CIPHER_AES_CBC            3
#define VIRTIO_CRYPTO_CIPHER_AES_CTR            4
#define VIRTIO_CRYPTO_CIPHER_DES_ECB            5
#define VIRTIO_CRYPTO_CIPHER_DES_CBC            6
#define VIRTIO_CRYPTO_CIPHER_3DES_ECB           7
#define VIRTIO_CRYPTO_CIPHER_3DES_CBC           8
#define VIRTIO_CRYPTO_CIPHER_3DES_CTR           9
#define VIRTIO_CRYPTO_CIPHER_KASUMI_F8          10
#define VIRTIO_CRYPTO_CIPHER_SNOW3G_UEA2        11
#define VIRTIO_CRYPTO_CIPHER_AES_F8             12
#define VIRTIO_CRYPTO_CIPHER_AES_XTS            13
#define VIRTIO_CRYPTO_CIPHER_ZUC_EEA3           14
	uint32_t algo;
	/* length of key */
	uint32_t keylen;

#define VIRTIO_CRYPTO_OP_ENCRYPT  1
#define VIRTIO_CRYPTO_OP_DECRYPT  2
	/* encrypt or decrypt */
	uint32_t op;
	uint32_t padding;
};

struct virtio_crypto_session_input {
	/* Device-writable part */
	uint64_t session_id;
	uint32_t status;
	uint32_t padding;
};

struct virtio_crypto_cipher_session_req {
	struct virtio_crypto_cipher_session_para para;
	uint8_t padding[32];
};

struct virtio_crypto_hash_session_para {
#define VIRTIO_CRYPTO_NO_HASH            0
#define VIRTIO_CRYPTO_HASH_MD5           1
#define VIRTIO_CRYPTO_HASH_SHA1          2
#define VIRTIO_CRYPTO_HASH_SHA_224       3
#define VIRTIO_CRYPTO_HASH_SHA_256       4
#define VIRTIO_CRYPTO_HASH_SHA_384       5
#define VIRTIO_CRYPTO_HASH_SHA_512       6
#define VIRTIO_CRYPTO_HASH_SHA3_224      7
#define VIRTIO_CRYPTO_HASH_SHA3_256      8
#define VIRTIO_CRYPTO_HASH_SHA3_384      9
#define VIRTIO_CRYPTO_HASH_SHA3_512      10
#define VIRTIO_CRYPTO_HASH_SHA3_SHAKE128      11
#define VIRTIO_CRYPTO_HASH_SHA3_SHAKE256      12
	uint32_t algo;
	/* hash result length */
	uint32_t hash_result_len;
	uint8_t padding[8];
};

struct virtio_crypto_hash_create_session_req {
	struct virtio_crypto_hash_session_para para;
	uint8_t padding[40];
};

struct virtio_crypto_mac_session_para {
#define VIRTIO_CRYPTO_NO_MAC                       0
#define VIRTIO_CRYPTO_MAC_HMAC_MD5                 1
#define VIRTIO_CRYPTO_MAC_HMAC_SHA1                2
#define VIRTIO_CRYPTO_MAC_HMAC_SHA_224             3
#define VIRTIO_CRYPTO_MAC_HMAC_SHA_256             4
#define VIRTIO_CRYPTO_MAC_HMAC_SHA_384             5
#define VIRTIO_CRYPTO_MAC_HMAC_SHA_512             6
#define VIRTIO_CRYPTO_MAC_CMAC_3DES                25
#define VIRTIO_CRYPTO_MAC_CMAC_AES                 26
#define VIRTIO_CRYPTO_MAC_KASUMI_F9                27
#define VIRTIO_CRYPTO_MAC_SNOW3G_UIA2              28
#define VIRTIO_CRYPTO_MAC_GMAC_AES                 41
#define VIRTIO_CRYPTO_MAC_GMAC_TWOFISH             42
#define VIRTIO_CRYPTO_MAC_CBCMAC_AES               49
#define VIRTIO_CRYPTO_MAC_CBCMAC_KASUMI_F9         50
#define VIRTIO_CRYPTO_MAC_XCBC_AES                 53
	uint32_t algo;
	/* hash result length */
	uint32_t hash_result_len;
	/* length of authenticated key */
	uint32_t auth_key_len;
	uint32_t padding;
};

struct virtio_crypto_mac_create_session_req {
	struct virtio_crypto_mac_session_para para;
	uint8_t padding[40];
};

struct virtio_crypto_aead_session_para {
#define VIRTIO_CRYPTO_NO_AEAD     0
#define VIRTIO_CRYPTO_AEAD_GCM    1
#define VIRTIO_CRYPTO_AEAD_CCM    2
#define VIRTIO_CRYPTO_AEAD_CHACHA20_POLY1305  3
	uint32_t algo;
	/* length of key */
	uint32_t key_len;
	/* hash result length */
	uint32_t hash_result_len;
	/* length of the additional authenticated data (AAD) in bytes */
	uint32_t aad_len;
	/* encrypt or decrypt, See above VIRTIO_CRYPTO_OP_* */
	uint32_t op;
	uint32_t padding;
};

struct virtio_crypto_aead_create_session_req {
	struct virtio_crypto_aead_session_para para;
	uint8_t padding[32];
};

struct virtio_crypto_alg_chain_session_para {
#define VIRTIO_CRYPTO_SYM_ALG_CHAIN_ORDER_HASH_THEN_CIPHER  1
#define VIRTIO_CRYPTO_SYM_ALG_CHAIN_ORDER_CIPHER_THEN_HASH  2
	uint32_t alg_chain_order;
/* Plain hash */
#define VIRTIO_CRYPTO_SYM_HASH_MODE_PLAIN    1
/* Authenticated hash (mac) */
#define VIRTIO_CRYPTO_SYM_HASH_MODE_AUTH     2
/* Nested hash */
#define VIRTIO_CRYPTO_SYM_HASH_MODE_NESTED   3
	uint32_t hash_mode;
	struct virtio_crypto_cipher_session_para cipher_param;
	union {
		struct virtio_crypto_hash_session_para hash_param;
		struct virtio_crypto_mac_session_para mac_param;
		uint8_t padding[16];
	} u;
	/* length of the additional authenticated data (AAD) in bytes */
	uint32_t aad_len;
	uint32_t padding;
};

struct virtio_crypto_alg_chain_session_req {
	struct virtio_crypto_alg_chain_session_para para;
};

struct virtio_crypto_sym_create_session_req {
	union {
		struct virtio_crypto_cipher_session_req cipher;
		struct virtio_crypto_alg_chain_session_req chain;
		uint8_t padding[48];
	} u;

	/* Device-readable part */

/* No operation */
#define VIRTIO_CRYPTO_SYM_OP_NONE  0
/* Cipher only operation on the data */
#define VIRTIO_CRYPTO_SYM_OP_CIPHER  1
/*
 * Chain any cipher with any hash or mac operation. The order
 * depends on the value of alg_chain_order param
 */
#define VIRTIO_CRYPTO_SYM_OP_ALGORITHM_CHAINING  2
	uint32_t op_type;
	uint32_t padding;
};

struct virtio_crypto_destroy_session_req {
	/* Device-readable part */
	uint64_t  session_id;
	uint8_t padding[48];
};

/* The request of the control virtqueue's packet */
struct virtio_crypto_op_ctrl_req {
	struct virtio_crypto_ctrl_header header;

	union {
		struct virtio_crypto_sym_create_session_req
			sym_create_session;
		struct virtio_crypto_hash_create_session_req
			hash_create_session;
		struct virtio_crypto_mac_create_session_req
			mac_create_session;
		struct virtio_crypto_aead_create_session_req
			aead_create_session;
		struct virtio_crypto_destroy_session_req
			destroy_session;
		uint8_t padding[56];
	} u;
};

struct virtio_crypto_op_header {
#define VIRTIO_CRYPTO_CIPHER_ENCRYPT \
	VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_CIPHER, 0x00)
#define VIRTIO_CRYPTO_CIPHER_DECRYPT \
	VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_CIPHER, 0x01)
#define VIRTIO_CRYPTO_HASH \
	VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_HASH, 0x00)
#define VIRTIO_CRYPTO_MAC \
	VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_MAC, 0x00)
#define VIRTIO_CRYPTO_AEAD_ENCRYPT \
	VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AEAD, 0x00)
#define VIRTIO_CRYPTO_AEAD_DECRYPT \
	VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AEAD, 0x01)
	uint32_t opcode;
	/* algo should be service-specific algorithms */
	uint32_t algo;
	/* session_id should be service-specific algorithms */
	uint64_t session_id;
	/* control flag to control the request */
	uint32_t flag;
	uint32_t padding;
};

struct virtio_crypto_cipher_para {
	/*
	 * Byte Length of valid IV/Counter
	 *
	 * For block ciphers in CBC or F8 mode, or for Kasumi in F8 mode, or for
	 *   SNOW3G in UEA2 mode, this is the length of the IV (which
	 *   must be the same as the block length of the cipher).
	 * For block ciphers in CTR mode, this is the length of the counter
	 *   (which must be the same as the block length of the cipher).
	 * For AES-XTS, this is the 128bit tweak, i, from IEEE Std 1619-2007.
	 *
	 * The IV/Counter will be updated after every partial cryptographic
	 * operation.
	 */
	uint32_t iv_len;
	/* length of source data */
	uint32_t src_data_len;
	/* length of dst data */
	uint32_t dst_data_len;
	uint32_t padding;
};

struct virtio_crypto_hash_para {
	/* length of source data */
	uint32_t src_data_len;
	/* hash result length */
	uint32_t hash_result_len;
};

struct virtio_crypto_mac_para {
	struct virtio_crypto_hash_para hash;
};

struct virtio_crypto_aead_para {
	/*
	 * Byte Length of valid IV data pointed to by the below iv_addr
	 * parameter.
	 *
	 * For GCM mode, this is either 12 (for 96-bit IVs) or 16, in which
	 *   case iv_addr points to J0.
	 * For CCM mode, this is the length of the nonce, which can be in the
	 *   range 7 to 13 inclusive.
	 */
	uint32_t iv_len;
	/* length of additional auth data */
	uint32_t aad_len;
	/* length of source data */
	uint32_t src_data_len;
	/* length of dst data */
	uint32_t dst_data_len;
};

struct virtio_crypto_cipher_data_req {
	/* Device-readable part */
	struct virtio_crypto_cipher_para para;
	uint8_t padding[24];
};

struct virtio_crypto_hash_data_req {
	/* Device-readable part */
	struct virtio_crypto_hash_para para;
	uint8_t padding[40];
};

struct virtio_crypto_mac_data_req {
	/* Device-readable part */
	struct virtio_crypto_mac_para para;
	uint8_t padding[40];
};

struct virtio_crypto_alg_chain_data_para {
	uint32_t iv_len;
	/* Length of source data */
	uint32_t src_data_len;
	/* Length of destination data */
	uint32_t dst_data_len;
	/* Starting point for cipher processing in source data */
	uint32_t cipher_start_src_offset;
	/* Length of the source data that the cipher will be computed on */
	uint32_t len_to_cipher;
	/* Starting point for hash processing in source data */
	uint32_t hash_start_src_offset;
	/* Length of the source data that the hash will be computed on */
	uint32_t len_to_hash;
	/* Length of the additional auth data */
	uint32_t aad_len;
	/* Length of the hash result */
	uint32_t hash_result_len;
	uint32_t reserved;
};

struct virtio_crypto_alg_chain_data_req {
	/* Device-readable part */
	struct virtio_crypto_alg_chain_data_para para;
};

struct virtio_crypto_sym_data_req {
	union {
		struct virtio_crypto_cipher_data_req cipher;
		struct virtio_crypto_alg_chain_data_req chain;
		uint8_t padding[40];
	} u;

	/* See above VIRTIO_CRYPTO_SYM_OP_* */
	uint32_t op_type;
	uint32_t padding;
};

struct virtio_crypto_aead_data_req {
	/* Device-readable part */
	struct virtio_crypto_aead_para para;
	uint8_t padding[32];
};

/* The request of the data virtqueue's packet */
struct virtio_crypto_op_data_req {
	struct virtio_crypto_op_header header;

	union {
		struct virtio_crypto_sym_data_req  sym_req;
		struct virtio_crypto_hash_data_req hash_req;
		struct virtio_crypto_mac_data_req mac_req;
		struct virtio_crypto_aead_data_req aead_req;
		uint8_t padding[48];
	} u;
};

#define VIRTIO_CRYPTO_OK        0
#define VIRTIO_CRYPTO_ERR       1
#define VIRTIO_CRYPTO_BADMSG    2
#define VIRTIO_CRYPTO_NOTSUPP   3
#define VIRTIO_CRYPTO_INVSESS   4 /* Invalid session id */

/* The accelerator hardware is ready */
#define VIRTIO_CRYPTO_S_HW_READY  (1 << 0)

struct virtio_crypto_config {
	/* See VIRTIO_CRYPTO_OP_* above */
	uint32_t  status;

	/*
	 * Maximum number of data queue
	 */
	uint32_t  max_dataqueues;

	/*
	 * Specifies the services mask which the device support,
	 * see VIRTIO_CRYPTO_SERVICE_* above
	 */
	uint32_t crypto_services;

	/* Detailed algorithms mask */
	uint32_t cipher_algo_l;
	uint32_t cipher_algo_h;
	uint32_t hash_algo;
	uint32_t mac_algo_l;
	uint32_t mac_algo_h;
	uint32_t aead_algo;
	/* Maximum length of cipher key */
	uint32_t max_cipher_key_len;
	/* Maximum length of authenticated key */
	uint32_t max_auth_key_len;
	uint32_t reserve;
	/* Maximum size of each crypto request's content */
	uint64_t max_size;
};

struct virtio_crypto_inhdr {
	/* See VIRTIO_CRYPTO_* above */
	uint8_t status;
};
#endif /* _VIRTIO_CRYPTO_H */