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33 #include <rte_common.h>
34 #include <rte_hexdump.h>
35 #include <rte_cryptodev.h>
36 #include <rte_cryptodev_pmd.h>
37 #include <rte_cryptodev_vdev.h>
39 #include <rte_malloc.h>
40 #include <rte_cpuflags.h>
42 #include "rte_mrvl_pmd_private.h"
44 #ifndef RTE_MRVL_MUSDK_DMA_MEMSIZE
45 #define RTE_MRVL_MUSDK_DMA_MEMSIZE 41943040
48 static uint8_t cryptodev_driver_id;
51 * Flag if particular crypto algorithm is supported by PMD/MUSDK.
53 * The idea is to have Not Supported value as default (0).
54 * This way we need only to define proper map sizes,
55 * non-initialized entries will be by default not supported.
58 ALGO_NOT_SUPPORTED = 0,
62 /** Map elements for cipher mapping.*/
63 struct cipher_params_mapping {
64 enum algo_supported supported; /**< On/Off switch */
65 enum sam_cipher_alg cipher_alg; /**< Cipher algorithm */
66 enum sam_cipher_mode cipher_mode; /**< Cipher mode */
67 unsigned int max_key_len; /**< Maximum key length (in bytes)*/
69 /* We want to squeeze in multiple maps into the cache line. */
72 /** Map elements for auth mapping.*/
73 struct auth_params_mapping {
74 enum algo_supported supported; /**< On/off switch */
75 enum sam_auth_alg auth_alg; /**< Auth algorithm */
77 /* We want to squeeze in multiple maps into the cache line. */
81 * Map of supported cipher algorithms.
84 struct cipher_params_mapping cipher_map[RTE_CRYPTO_CIPHER_LIST_END] = {
85 [RTE_CRYPTO_CIPHER_3DES_CBC] = {
86 .supported = ALGO_SUPPORTED,
87 .cipher_alg = SAM_CIPHER_3DES,
88 .cipher_mode = SAM_CIPHER_CBC,
89 .max_key_len = BITS2BYTES(192) },
90 [RTE_CRYPTO_CIPHER_3DES_CTR] = {
91 .supported = ALGO_SUPPORTED,
92 .cipher_alg = SAM_CIPHER_3DES,
93 .cipher_mode = SAM_CIPHER_CTR,
94 .max_key_len = BITS2BYTES(192) },
95 [RTE_CRYPTO_CIPHER_3DES_ECB] = {
96 .supported = ALGO_SUPPORTED,
97 .cipher_alg = SAM_CIPHER_3DES,
98 .cipher_mode = SAM_CIPHER_ECB,
99 .max_key_len = BITS2BYTES(192) },
100 [RTE_CRYPTO_CIPHER_AES_CBC] = {
101 .supported = ALGO_SUPPORTED,
102 .cipher_alg = SAM_CIPHER_AES,
103 .cipher_mode = SAM_CIPHER_CBC,
104 .max_key_len = BITS2BYTES(256) },
105 [RTE_CRYPTO_CIPHER_AES_CTR] = {
106 .supported = ALGO_SUPPORTED,
107 .cipher_alg = SAM_CIPHER_AES,
108 .cipher_mode = SAM_CIPHER_CTR,
109 .max_key_len = BITS2BYTES(256) },
113 * Map of supported auth algorithms.
116 struct auth_params_mapping auth_map[RTE_CRYPTO_AUTH_LIST_END] = {
117 [RTE_CRYPTO_AUTH_MD5_HMAC] = {
118 .supported = ALGO_SUPPORTED,
119 .auth_alg = SAM_AUTH_HMAC_MD5 },
120 [RTE_CRYPTO_AUTH_MD5] = {
121 .supported = ALGO_SUPPORTED,
122 .auth_alg = SAM_AUTH_HASH_MD5 },
123 [RTE_CRYPTO_AUTH_SHA1_HMAC] = {
124 .supported = ALGO_SUPPORTED,
125 .auth_alg = SAM_AUTH_HMAC_SHA1 },
126 [RTE_CRYPTO_AUTH_SHA1] = {
127 .supported = ALGO_SUPPORTED,
128 .auth_alg = SAM_AUTH_HASH_SHA1 },
129 [RTE_CRYPTO_AUTH_SHA224] = {
130 .supported = ALGO_SUPPORTED,
131 .auth_alg = SAM_AUTH_HASH_SHA2_224 },
132 [RTE_CRYPTO_AUTH_SHA256_HMAC] = {
133 .supported = ALGO_SUPPORTED,
134 .auth_alg = SAM_AUTH_HMAC_SHA2_256 },
135 [RTE_CRYPTO_AUTH_SHA256] = {
136 .supported = ALGO_SUPPORTED,
137 .auth_alg = SAM_AUTH_HASH_SHA2_256 },
138 [RTE_CRYPTO_AUTH_SHA384_HMAC] = {
139 .supported = ALGO_SUPPORTED,
140 .auth_alg = SAM_AUTH_HMAC_SHA2_384 },
141 [RTE_CRYPTO_AUTH_SHA384] = {
142 .supported = ALGO_SUPPORTED,
143 .auth_alg = SAM_AUTH_HASH_SHA2_384 },
144 [RTE_CRYPTO_AUTH_SHA512_HMAC] = {
145 .supported = ALGO_SUPPORTED,
146 .auth_alg = SAM_AUTH_HMAC_SHA2_512 },
147 [RTE_CRYPTO_AUTH_SHA512] = {
148 .supported = ALGO_SUPPORTED,
149 .auth_alg = SAM_AUTH_HASH_SHA2_512 },
150 [RTE_CRYPTO_AUTH_AES_GMAC] = {
151 .supported = ALGO_SUPPORTED,
152 .auth_alg = SAM_AUTH_AES_GMAC },
156 * Map of supported aead algorithms.
159 struct cipher_params_mapping aead_map[RTE_CRYPTO_AEAD_LIST_END] = {
160 [RTE_CRYPTO_AEAD_AES_GCM] = {
161 .supported = ALGO_SUPPORTED,
162 .cipher_alg = SAM_CIPHER_AES,
163 .cipher_mode = SAM_CIPHER_GCM,
164 .max_key_len = BITS2BYTES(256) },
168 *-----------------------------------------------------------------------------
169 * Forward declarations.
170 *-----------------------------------------------------------------------------
172 static int cryptodev_mrvl_crypto_uninit(struct rte_vdev_device *vdev);
175 *-----------------------------------------------------------------------------
176 * Session Preparation.
177 *-----------------------------------------------------------------------------
181 * Get xform chain order.
183 * @param xform Pointer to configuration structure chain for crypto operations.
184 * @returns Order of crypto operations.
186 static enum mrvl_crypto_chain_order
187 mrvl_crypto_get_chain_order(const struct rte_crypto_sym_xform *xform)
189 /* Currently, Marvell supports max 2 operations in chain */
190 if (xform->next != NULL && xform->next->next != NULL)
191 return MRVL_CRYPTO_CHAIN_NOT_SUPPORTED;
193 if (xform->next != NULL) {
194 if ((xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
195 (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER))
196 return MRVL_CRYPTO_CHAIN_AUTH_CIPHER;
198 if ((xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) &&
199 (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH))
200 return MRVL_CRYPTO_CHAIN_CIPHER_AUTH;
202 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH)
203 return MRVL_CRYPTO_CHAIN_AUTH_ONLY;
205 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
206 return MRVL_CRYPTO_CHAIN_CIPHER_ONLY;
208 if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD)
209 return MRVL_CRYPTO_CHAIN_COMBINED;
211 return MRVL_CRYPTO_CHAIN_NOT_SUPPORTED;
215 * Set session parameters for cipher part.
217 * @param sess Crypto session pointer.
218 * @param cipher_xform Pointer to configuration structure for cipher operations.
219 * @returns 0 in case of success, negative value otherwise.
222 mrvl_crypto_set_cipher_session_parameters(struct mrvl_crypto_session *sess,
223 const struct rte_crypto_sym_xform *cipher_xform)
225 /* Make sure we've got proper struct */
226 if (cipher_xform->type != RTE_CRYPTO_SYM_XFORM_CIPHER) {
227 MRVL_CRYPTO_LOG_ERR("Wrong xform struct provided!");
231 /* See if map data is present and valid */
232 if ((cipher_xform->cipher.algo > RTE_DIM(cipher_map)) ||
233 (cipher_map[cipher_xform->cipher.algo].supported
234 != ALGO_SUPPORTED)) {
235 MRVL_CRYPTO_LOG_ERR("Cipher algorithm not supported!");
239 sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
241 sess->sam_sess_params.dir =
242 (cipher_xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) ?
243 SAM_DIR_ENCRYPT : SAM_DIR_DECRYPT;
244 sess->sam_sess_params.cipher_alg =
245 cipher_map[cipher_xform->cipher.algo].cipher_alg;
246 sess->sam_sess_params.cipher_mode =
247 cipher_map[cipher_xform->cipher.algo].cipher_mode;
249 /* Assume IV will be passed together with data. */
250 sess->sam_sess_params.cipher_iv = NULL;
252 /* Get max key length. */
253 if (cipher_xform->cipher.key.length >
254 cipher_map[cipher_xform->cipher.algo].max_key_len) {
255 MRVL_CRYPTO_LOG_ERR("Wrong key length!");
259 sess->sam_sess_params.cipher_key_len = cipher_xform->cipher.key.length;
260 sess->sam_sess_params.cipher_key = cipher_xform->cipher.key.data;
266 * Set session parameters for authentication part.
268 * @param sess Crypto session pointer.
269 * @param auth_xform Pointer to configuration structure for auth operations.
270 * @returns 0 in case of success, negative value otherwise.
273 mrvl_crypto_set_auth_session_parameters(struct mrvl_crypto_session *sess,
274 const struct rte_crypto_sym_xform *auth_xform)
276 /* Make sure we've got proper struct */
277 if (auth_xform->type != RTE_CRYPTO_SYM_XFORM_AUTH) {
278 MRVL_CRYPTO_LOG_ERR("Wrong xform struct provided!");
282 /* See if map data is present and valid */
283 if ((auth_xform->auth.algo > RTE_DIM(auth_map)) ||
284 (auth_map[auth_xform->auth.algo].supported != ALGO_SUPPORTED)) {
285 MRVL_CRYPTO_LOG_ERR("Auth algorithm not supported!");
289 sess->sam_sess_params.dir =
290 (auth_xform->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE) ?
291 SAM_DIR_ENCRYPT : SAM_DIR_DECRYPT;
292 sess->sam_sess_params.auth_alg =
293 auth_map[auth_xform->auth.algo].auth_alg;
294 sess->sam_sess_params.u.basic.auth_icv_len =
295 auth_xform->auth.digest_length;
296 /* auth_key must be NULL if auth algorithm does not use HMAC */
297 sess->sam_sess_params.auth_key = auth_xform->auth.key.length ?
298 auth_xform->auth.key.data : NULL;
299 sess->sam_sess_params.auth_key_len = auth_xform->auth.key.length;
305 * Set session parameters for aead part.
307 * @param sess Crypto session pointer.
308 * @param aead_xform Pointer to configuration structure for aead operations.
309 * @returns 0 in case of success, negative value otherwise.
312 mrvl_crypto_set_aead_session_parameters(struct mrvl_crypto_session *sess,
313 const struct rte_crypto_sym_xform *aead_xform)
315 /* Make sure we've got proper struct */
316 if (aead_xform->type != RTE_CRYPTO_SYM_XFORM_AEAD) {
317 MRVL_CRYPTO_LOG_ERR("Wrong xform struct provided!");
321 /* See if map data is present and valid */
322 if ((aead_xform->aead.algo > RTE_DIM(aead_map)) ||
323 (aead_map[aead_xform->aead.algo].supported
324 != ALGO_SUPPORTED)) {
325 MRVL_CRYPTO_LOG_ERR("AEAD algorithm not supported!");
329 sess->sam_sess_params.dir =
330 (aead_xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT) ?
331 SAM_DIR_ENCRYPT : SAM_DIR_DECRYPT;
332 sess->sam_sess_params.cipher_alg =
333 aead_map[aead_xform->aead.algo].cipher_alg;
334 sess->sam_sess_params.cipher_mode =
335 aead_map[aead_xform->aead.algo].cipher_mode;
337 /* Assume IV will be passed together with data. */
338 sess->sam_sess_params.cipher_iv = NULL;
340 /* Get max key length. */
341 if (aead_xform->aead.key.length >
342 aead_map[aead_xform->aead.algo].max_key_len) {
343 MRVL_CRYPTO_LOG_ERR("Wrong key length!");
347 sess->sam_sess_params.cipher_key = aead_xform->aead.key.data;
348 sess->sam_sess_params.cipher_key_len = aead_xform->aead.key.length;
350 if (sess->sam_sess_params.cipher_mode == SAM_CIPHER_GCM)
351 sess->sam_sess_params.auth_alg = SAM_AUTH_AES_GCM;
353 sess->sam_sess_params.u.basic.auth_icv_len =
354 aead_xform->aead.digest_length;
356 sess->sam_sess_params.u.basic.auth_aad_len =
357 aead_xform->aead.aad_length;
363 * Parse crypto transform chain and setup session parameters.
365 * @param dev Pointer to crypto device
366 * @param sess Poiner to crypto session
367 * @param xform Pointer to configuration structure chain for crypto operations.
368 * @returns 0 in case of success, negative value otherwise.
371 mrvl_crypto_set_session_parameters(struct mrvl_crypto_session *sess,
372 const struct rte_crypto_sym_xform *xform)
374 const struct rte_crypto_sym_xform *cipher_xform = NULL;
375 const struct rte_crypto_sym_xform *auth_xform = NULL;
376 const struct rte_crypto_sym_xform *aead_xform = NULL;
378 /* Filter out spurious/broken requests */
382 sess->chain_order = mrvl_crypto_get_chain_order(xform);
383 switch (sess->chain_order) {
384 case MRVL_CRYPTO_CHAIN_CIPHER_AUTH:
385 cipher_xform = xform;
386 auth_xform = xform->next;
388 case MRVL_CRYPTO_CHAIN_AUTH_CIPHER:
390 cipher_xform = xform->next;
392 case MRVL_CRYPTO_CHAIN_CIPHER_ONLY:
393 cipher_xform = xform;
395 case MRVL_CRYPTO_CHAIN_AUTH_ONLY:
398 case MRVL_CRYPTO_CHAIN_COMBINED:
405 if ((cipher_xform != NULL) &&
406 (mrvl_crypto_set_cipher_session_parameters(
407 sess, cipher_xform) < 0)) {
408 MRVL_CRYPTO_LOG_ERR("Invalid/unsupported cipher parameters");
412 if ((auth_xform != NULL) &&
413 (mrvl_crypto_set_auth_session_parameters(
414 sess, auth_xform) < 0)) {
415 MRVL_CRYPTO_LOG_ERR("Invalid/unsupported auth parameters");
419 if ((aead_xform != NULL) &&
420 (mrvl_crypto_set_aead_session_parameters(
421 sess, aead_xform) < 0)) {
422 MRVL_CRYPTO_LOG_ERR("Invalid/unsupported aead parameters");
430 *-----------------------------------------------------------------------------
432 *-----------------------------------------------------------------------------
436 * Prepare a single request.
438 * This function basically translates DPDK crypto request into one
439 * understandable by MUDSK's SAM. If this is a first request in a session,
440 * it starts the session.
442 * @param request Pointer to pre-allocated && reset request buffer [Out].
443 * @param src_bd Pointer to pre-allocated source descriptor [Out].
444 * @param dst_bd Pointer to pre-allocated destination descriptor [Out].
445 * @param op Pointer to DPDK crypto operation struct [In].
448 mrvl_request_prepare(struct sam_cio_op_params *request,
449 struct sam_buf_info *src_bd,
450 struct sam_buf_info *dst_bd,
451 struct rte_crypto_op *op)
453 struct mrvl_crypto_session *sess;
454 struct rte_mbuf *dst_mbuf;
457 if (unlikely(op->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) {
458 MRVL_CRYPTO_LOG_ERR("MRVL CRYPTO PMD only supports session "
459 "oriented requests, op (%p) is sessionless.",
464 sess = (struct mrvl_crypto_session *)get_session_private_data(
465 op->sym->session, cryptodev_driver_id);
466 if (unlikely(sess == NULL)) {
467 MRVL_CRYPTO_LOG_ERR("Session was not created for this device");
472 * If application delivered us null dst buffer, it means it expects
473 * us to deliver the result in src buffer.
475 dst_mbuf = op->sym->m_dst ? op->sym->m_dst : op->sym->m_src;
477 request->sa = sess->sam_sess;
478 request->cookie = op;
480 /* Single buffers only, sorry. */
481 request->num_bufs = 1;
482 request->src = src_bd;
483 src_bd->vaddr = rte_pktmbuf_mtod(op->sym->m_src, void *);
484 src_bd->paddr = rte_pktmbuf_mtophys(op->sym->m_src);
485 src_bd->len = rte_pktmbuf_data_len(op->sym->m_src);
488 if (rte_pktmbuf_data_len(op->sym->m_src) == 0) {
489 /* EIP does not support 0 length buffers. */
490 MRVL_CRYPTO_LOG_ERR("Buffer length == 0 not supported!");
494 /* Empty destination. */
495 if (rte_pktmbuf_data_len(dst_mbuf) == 0) {
496 /* Make dst buffer fit at least source data. */
497 if (rte_pktmbuf_append(dst_mbuf,
498 rte_pktmbuf_data_len(op->sym->m_src)) == NULL) {
499 MRVL_CRYPTO_LOG_ERR("Unable to set big enough dst buffer!");
504 request->dst = dst_bd;
505 dst_bd->vaddr = rte_pktmbuf_mtod(dst_mbuf, void *);
506 dst_bd->paddr = rte_pktmbuf_mtophys(dst_mbuf);
509 * We can use all available space in dst_mbuf,
510 * not only what's used currently.
512 dst_bd->len = dst_mbuf->buf_len - rte_pktmbuf_headroom(dst_mbuf);
514 if (sess->chain_order == MRVL_CRYPTO_CHAIN_COMBINED) {
515 request->cipher_len = op->sym->aead.data.length;
516 request->cipher_offset = op->sym->aead.data.offset;
517 request->cipher_iv = rte_crypto_op_ctod_offset(op, uint8_t *,
518 sess->cipher_iv_offset);
520 request->auth_aad = op->sym->aead.aad.data;
521 request->auth_offset = request->cipher_offset;
522 request->auth_len = request->cipher_len;
524 request->cipher_len = op->sym->cipher.data.length;
525 request->cipher_offset = op->sym->cipher.data.offset;
526 request->cipher_iv = rte_crypto_op_ctod_offset(op, uint8_t *,
527 sess->cipher_iv_offset);
529 request->auth_offset = op->sym->auth.data.offset;
530 request->auth_len = op->sym->auth.data.length;
533 digest = sess->chain_order == MRVL_CRYPTO_CHAIN_COMBINED ?
534 op->sym->aead.digest.data : op->sym->auth.digest.data;
535 if (digest == NULL) {
536 /* No auth - no worry. */
540 request->auth_icv_offset = request->auth_offset + request->auth_len;
543 * EIP supports only scenarios where ICV(digest buffer) is placed at
544 * auth_icv_offset. Any other placement means risking errors.
546 if (sess->sam_sess_params.dir == SAM_DIR_ENCRYPT) {
548 * This should be the most common case anyway,
549 * EIP will overwrite DST buffer at auth_icv_offset.
551 if (rte_pktmbuf_mtod_offset(
553 request->auth_icv_offset) == digest) {
556 } else {/* sess->sam_sess_params.dir == SAM_DIR_DECRYPT */
558 * EIP will look for digest at auth_icv_offset
559 * offset in SRC buffer.
561 if (rte_pktmbuf_mtod_offset(
562 op->sym->m_src, uint8_t *,
563 request->auth_icv_offset) == digest) {
569 * If we landed here it means that digest pointer is
570 * at different than expected place.
576 *-----------------------------------------------------------------------------
577 * PMD Framework handlers
578 *-----------------------------------------------------------------------------
584 * @param queue_pair Pointer to queue pair.
585 * @param ops Pointer to ops requests array.
586 * @param nb_ops Number of elements in ops requests array.
587 * @returns Number of elements consumed from ops.
590 mrvl_crypto_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
593 uint16_t iter_ops = 0;
595 uint16_t consumed = 0;
597 struct sam_cio_op_params requests[nb_ops];
599 * DPDK uses single fragment buffers, so we can KISS descriptors.
600 * SAM does not store bd pointers, so on-stack scope will be enough.
602 struct sam_buf_info src_bd[nb_ops];
603 struct sam_buf_info dst_bd[nb_ops];
604 struct mrvl_crypto_qp *qp = (struct mrvl_crypto_qp *)queue_pair;
609 /* Prepare the burst. */
610 memset(&requests, 0, sizeof(requests));
612 /* Iterate through */
613 for (; iter_ops < nb_ops; ++iter_ops) {
614 if (mrvl_request_prepare(&requests[iter_ops],
617 ops[iter_ops]) < 0) {
619 "Error while parameters preparation!");
620 qp->stats.enqueue_err_count++;
621 ops[iter_ops]->status = RTE_CRYPTO_OP_STATUS_ERROR;
624 * Number of handled ops is increased
625 * (even if the result of handling is error).
631 ops[iter_ops]->status =
632 RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
634 /* Increase the number of ops to enqueue. */
636 } /* for (; iter_ops < nb_ops;... */
640 ret = sam_cio_enq(qp->cio, requests, &to_enq);
644 * Trust SAM that in this case returned value will be at
645 * some point correct (now it is returned unmodified).
647 qp->stats.enqueue_err_count += to_enq;
648 for (iter_ops = 0; iter_ops < to_enq; ++iter_ops)
649 ops[iter_ops]->status =
650 RTE_CRYPTO_OP_STATUS_ERROR;
654 qp->stats.enqueued_count += to_enq;
661 * @param queue_pair Pointer to queue pair.
662 * @param ops Pointer to ops requests array.
663 * @param nb_ops Number of elements in ops requests array.
664 * @returns Number of elements dequeued.
667 mrvl_crypto_pmd_dequeue_burst(void *queue_pair,
668 struct rte_crypto_op **ops,
672 struct mrvl_crypto_qp *qp = queue_pair;
673 struct sam_cio *cio = qp->cio;
674 struct sam_cio_op_result results[nb_ops];
677 ret = sam_cio_deq(cio, results, &nb_ops);
679 /* Count all dequeued as error. */
680 qp->stats.dequeue_err_count += nb_ops;
682 /* But act as they were dequeued anyway*/
683 qp->stats.dequeued_count += nb_ops;
688 /* Unpack and check results. */
689 for (i = 0; i < nb_ops; ++i) {
690 ops[i] = results[i].cookie;
692 switch (results[i].status) {
694 ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
696 case SAM_CIO_ERR_ICV:
697 MRVL_CRYPTO_LOG_DBG("CIO returned SAM_CIO_ERR_ICV.");
698 ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
702 "CIO returned Error: %d", results[i].status);
703 ops[i]->status = RTE_CRYPTO_OP_STATUS_ERROR;
708 qp->stats.dequeued_count += nb_ops;
713 * Create a new crypto device.
715 * @param name Driver name.
716 * @param vdev Pointer to device structure.
717 * @param init_params Pointer to initialization parameters.
718 * @returns 0 in case of success, negative value otherwise.
721 cryptodev_mrvl_crypto_create(const char *name,
722 struct rte_vdev_device *vdev,
723 struct rte_crypto_vdev_init_params *init_params)
725 struct rte_cryptodev *dev;
726 struct mrvl_crypto_private *internals;
727 struct sam_init_params sam_params;
730 if (init_params->name[0] == '\0') {
731 ret = rte_cryptodev_pmd_create_dev_name(
732 init_params->name, name);
735 MRVL_CRYPTO_LOG_ERR("failed to create unique name");
740 dev = rte_cryptodev_vdev_pmd_init(init_params->name,
741 sizeof(struct mrvl_crypto_private),
742 init_params->socket_id, vdev);
744 MRVL_CRYPTO_LOG_ERR("failed to create cryptodev vdev");
748 dev->driver_id = cryptodev_driver_id;
749 dev->dev_ops = rte_mrvl_crypto_pmd_ops;
751 /* Register rx/tx burst functions for data path. */
752 dev->enqueue_burst = mrvl_crypto_pmd_enqueue_burst;
753 dev->dequeue_burst = mrvl_crypto_pmd_dequeue_burst;
755 dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
756 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
757 RTE_CRYPTODEV_FF_HW_ACCELERATED;
759 /* Set vector instructions mode supported */
760 internals = dev->data->dev_private;
762 internals->max_nb_qpairs = init_params->max_nb_queue_pairs;
763 internals->max_nb_sessions = init_params->max_nb_sessions;
766 * ret == -EEXIST is correct, it means DMA
767 * has been already initialized.
769 ret = mv_sys_dma_mem_init(RTE_MRVL_MUSDK_DMA_MEMSIZE);
770 if ((ret < 0) && (ret != -EEXIST))
773 sam_params.max_num_sessions = internals->max_nb_sessions;
775 return sam_init(&sam_params);
779 "driver %s: %s failed", init_params->name, __func__);
781 cryptodev_mrvl_crypto_uninit(vdev);
786 * Initialize the crypto device.
788 * @param vdev Pointer to device structure.
789 * @returns 0 in case of success, negative value otherwise.
792 cryptodev_mrvl_crypto_init(struct rte_vdev_device *vdev)
794 struct rte_crypto_vdev_init_params init_params = { };
796 const char *input_args;
799 name = rte_vdev_device_name(vdev);
802 input_args = rte_vdev_device_args(vdev);
807 init_params.max_nb_queue_pairs = sam_get_num_inst() * SAM_HW_RING_NUM;
808 init_params.max_nb_sessions =
809 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS;
810 init_params.socket_id = rte_socket_id();
812 ret = rte_cryptodev_vdev_parse_init_params(&init_params, input_args);
814 RTE_LOG(ERR, PMD, "Failed to parse input arguments\n");
818 RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
819 init_params.socket_id);
820 if (init_params.name[0] != '\0') {
821 RTE_LOG(INFO, PMD, " User defined name = %s\n",
824 RTE_LOG(INFO, PMD, " Max number of queue pairs = %d\n",
825 init_params.max_nb_queue_pairs);
826 RTE_LOG(INFO, PMD, " Max number of sessions = %d\n",
827 init_params.max_nb_sessions);
829 return cryptodev_mrvl_crypto_create(name, vdev, &init_params);
833 * Uninitialize the crypto device
835 * @param vdev Pointer to device structure.
836 * @returns 0 in case of success, negative value otherwise.
839 cryptodev_mrvl_crypto_uninit(struct rte_vdev_device *vdev)
841 const char *name = rte_vdev_device_name(vdev);
847 "Closing Marvell crypto device %s on numa socket %u\n",
848 name, rte_socket_id());
856 * Basic driver handlers for use in the constructor.
858 static struct rte_vdev_driver cryptodev_mrvl_pmd_drv = {
859 .probe = cryptodev_mrvl_crypto_init,
860 .remove = cryptodev_mrvl_crypto_uninit
863 static struct cryptodev_driver mrvl_crypto_drv;
865 /* Register the driver in constructor. */
866 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_MRVL_PMD, cryptodev_mrvl_pmd_drv);
867 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_MRVL_PMD,
868 "max_nb_queue_pairs=<int> "
869 "max_nb_sessions=<int> "
871 RTE_PMD_REGISTER_CRYPTO_DRIVER(mrvl_crypto_drv, cryptodev_mrvl_pmd_drv,
872 cryptodev_driver_id);