1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Cavium, Inc
6 #include <rte_bus_pci.h>
7 #include <rte_cryptodev.h>
8 #include <rte_cryptodev_pmd.h>
10 #include <rte_malloc.h>
11 #include <rte_mempool.h>
13 #include "otx_cryptodev.h"
14 #include "otx_cryptodev_capabilities.h"
15 #include "otx_cryptodev_hw_access.h"
16 #include "otx_cryptodev_mbox.h"
17 #include "otx_cryptodev_ops.h"
19 #include "cpt_pmd_logs.h"
20 #include "cpt_pmd_ops_helper.h"
21 #include "cpt_ucode.h"
22 #include "cpt_ucode_asym.h"
24 static uint64_t otx_fpm_iova[CPT_EC_ID_PMAX];
26 /* Forward declarations */
29 otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id);
34 otx_cpt_alarm_cb(void *arg)
36 struct cpt_vf *cptvf = arg;
37 otx_cpt_poll_misc(cptvf);
38 rte_eal_alarm_set(CPT_INTR_POLL_INTERVAL_MS * 1000,
39 otx_cpt_alarm_cb, cptvf);
43 otx_cpt_periodic_alarm_start(void *arg)
45 return rte_eal_alarm_set(CPT_INTR_POLL_INTERVAL_MS * 1000,
46 otx_cpt_alarm_cb, arg);
50 otx_cpt_periodic_alarm_stop(void *arg)
52 return rte_eal_alarm_cancel(otx_cpt_alarm_cb, arg);
58 otx_cpt_dev_config(struct rte_cryptodev *dev,
59 struct rte_cryptodev_config *config __rte_unused)
63 CPT_PMD_INIT_FUNC_TRACE();
65 if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO)
66 /* Initialize shared FPM table */
67 ret = cpt_fpm_init(otx_fpm_iova);
73 otx_cpt_dev_start(struct rte_cryptodev *c_dev)
75 void *cptvf = c_dev->data->dev_private;
77 CPT_PMD_INIT_FUNC_TRACE();
79 return otx_cpt_start_device(cptvf);
83 otx_cpt_dev_stop(struct rte_cryptodev *c_dev)
85 void *cptvf = c_dev->data->dev_private;
87 CPT_PMD_INIT_FUNC_TRACE();
89 if (c_dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO)
92 otx_cpt_stop_device(cptvf);
96 otx_cpt_dev_close(struct rte_cryptodev *c_dev)
98 void *cptvf = c_dev->data->dev_private;
101 CPT_PMD_INIT_FUNC_TRACE();
103 for (i = 0; i < c_dev->data->nb_queue_pairs; i++) {
104 ret = otx_cpt_que_pair_release(c_dev, i);
109 otx_cpt_periodic_alarm_stop(cptvf);
110 otx_cpt_deinit_device(cptvf);
116 otx_cpt_dev_info_get(struct rte_cryptodev *dev, struct rte_cryptodev_info *info)
118 CPT_PMD_INIT_FUNC_TRACE();
120 info->max_nb_queue_pairs = CPT_NUM_QS_PER_VF;
121 info->feature_flags = dev->feature_flags;
122 info->capabilities = otx_get_capabilities(info->feature_flags);
123 info->sym.max_nb_sessions = 0;
124 info->driver_id = otx_cryptodev_driver_id;
125 info->min_mbuf_headroom_req = OTX_CPT_MIN_HEADROOM_REQ;
126 info->min_mbuf_tailroom_req = OTX_CPT_MIN_TAILROOM_REQ;
131 otx_cpt_que_pair_setup(struct rte_cryptodev *dev,
132 uint16_t que_pair_id,
133 const struct rte_cryptodev_qp_conf *qp_conf,
134 int socket_id __rte_unused)
136 struct cpt_instance *instance = NULL;
137 struct rte_pci_device *pci_dev;
140 CPT_PMD_INIT_FUNC_TRACE();
142 if (dev->data->queue_pairs[que_pair_id] != NULL) {
143 ret = otx_cpt_que_pair_release(dev, que_pair_id);
148 if (qp_conf->nb_descriptors > DEFAULT_CMD_QLEN) {
149 CPT_LOG_INFO("Number of descriptors too big %d, using default "
150 "queue length of %d", qp_conf->nb_descriptors,
154 pci_dev = RTE_DEV_TO_PCI(dev->device);
156 if (pci_dev->mem_resource[0].addr == NULL) {
157 CPT_LOG_ERR("PCI mem address null");
161 ret = otx_cpt_get_resource(dev, 0, &instance, que_pair_id);
162 if (ret != 0 || instance == NULL) {
163 CPT_LOG_ERR("Error getting instance handle from device %s : "
164 "ret = %d", dev->data->name, ret);
168 instance->queue_id = que_pair_id;
169 instance->sess_mp = qp_conf->mp_session;
170 instance->sess_mp_priv = qp_conf->mp_session_private;
171 dev->data->queue_pairs[que_pair_id] = instance;
177 otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id)
179 struct cpt_instance *instance = dev->data->queue_pairs[que_pair_id];
182 CPT_PMD_INIT_FUNC_TRACE();
184 ret = otx_cpt_put_resource(instance);
186 CPT_LOG_ERR("Error putting instance handle of device %s : "
187 "ret = %d", dev->data->name, ret);
191 dev->data->queue_pairs[que_pair_id] = NULL;
197 otx_cpt_get_session_size(struct rte_cryptodev *dev __rte_unused)
199 return cpt_get_session_size();
203 sym_xform_verify(struct rte_crypto_sym_xform *xform)
206 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
207 xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
208 xform->next->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
211 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
212 xform->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT &&
213 xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
216 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
217 xform->cipher.algo == RTE_CRYPTO_CIPHER_3DES_CBC &&
218 xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
219 xform->next->auth.algo == RTE_CRYPTO_AUTH_SHA1)
222 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
223 xform->auth.algo == RTE_CRYPTO_AUTH_SHA1 &&
224 xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
225 xform->next->cipher.algo == RTE_CRYPTO_CIPHER_3DES_CBC)
229 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
230 xform->auth.algo == RTE_CRYPTO_AUTH_NULL &&
231 xform->auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
238 sym_session_configure(int driver_id, struct rte_crypto_sym_xform *xform,
239 struct rte_cryptodev_sym_session *sess,
240 struct rte_mempool *pool)
242 struct rte_crypto_sym_xform *temp_xform = xform;
243 struct cpt_sess_misc *misc;
244 vq_cmd_word3_t vq_cmd_w3;
248 ret = sym_xform_verify(xform);
252 if (unlikely(rte_mempool_get(pool, &priv))) {
253 CPT_LOG_ERR("Could not allocate session private data");
257 memset(priv, 0, sizeof(struct cpt_sess_misc) +
258 offsetof(struct cpt_ctx, mc_ctx));
262 for ( ; xform != NULL; xform = xform->next) {
263 switch (xform->type) {
264 case RTE_CRYPTO_SYM_XFORM_AEAD:
265 ret = fill_sess_aead(xform, misc);
267 case RTE_CRYPTO_SYM_XFORM_CIPHER:
268 ret = fill_sess_cipher(xform, misc);
270 case RTE_CRYPTO_SYM_XFORM_AUTH:
271 if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
272 ret = fill_sess_gmac(xform, misc);
274 ret = fill_sess_auth(xform, misc);
284 if ((GET_SESS_FC_TYPE(misc) == HASH_HMAC) &&
285 cpt_mac_len_verify(&temp_xform->auth)) {
286 CPT_LOG_ERR("MAC length is not supported");
291 set_sym_session_private_data(sess, driver_id, priv);
293 misc->ctx_dma_addr = rte_mempool_virt2iova(misc) +
294 sizeof(struct cpt_sess_misc);
298 vq_cmd_w3.s.cptr = misc->ctx_dma_addr + offsetof(struct cpt_ctx,
301 misc->cpt_inst_w7 = vq_cmd_w3.u64;
307 rte_mempool_put(pool, priv);
312 sym_session_clear(int driver_id, struct rte_cryptodev_sym_session *sess)
314 void *priv = get_sym_session_private_data(sess, driver_id);
315 struct rte_mempool *pool;
320 memset(priv, 0, cpt_get_session_size());
322 pool = rte_mempool_from_obj(priv);
324 set_sym_session_private_data(sess, driver_id, NULL);
326 rte_mempool_put(pool, priv);
330 otx_cpt_session_cfg(struct rte_cryptodev *dev,
331 struct rte_crypto_sym_xform *xform,
332 struct rte_cryptodev_sym_session *sess,
333 struct rte_mempool *pool)
335 CPT_PMD_INIT_FUNC_TRACE();
337 return sym_session_configure(dev->driver_id, xform, sess, pool);
342 otx_cpt_session_clear(struct rte_cryptodev *dev,
343 struct rte_cryptodev_sym_session *sess)
345 CPT_PMD_INIT_FUNC_TRACE();
347 return sym_session_clear(dev->driver_id, sess);
351 otx_cpt_asym_session_size_get(struct rte_cryptodev *dev __rte_unused)
353 return sizeof(struct cpt_asym_sess_misc);
357 otx_cpt_asym_session_cfg(struct rte_cryptodev *dev,
358 struct rte_crypto_asym_xform *xform __rte_unused,
359 struct rte_cryptodev_asym_session *sess,
360 struct rte_mempool *pool)
362 struct cpt_asym_sess_misc *priv;
365 CPT_PMD_INIT_FUNC_TRACE();
367 if (rte_mempool_get(pool, (void **)&priv)) {
368 CPT_LOG_ERR("Could not allocate session private data");
372 memset(priv, 0, sizeof(struct cpt_asym_sess_misc));
374 ret = cpt_fill_asym_session_parameters(priv, xform);
376 CPT_LOG_ERR("Could not configure session parameters");
378 /* Return session to mempool */
379 rte_mempool_put(pool, priv);
383 priv->cpt_inst_w7 = 0;
385 set_asym_session_private_data(sess, dev->driver_id, priv);
390 otx_cpt_asym_session_clear(struct rte_cryptodev *dev,
391 struct rte_cryptodev_asym_session *sess)
393 struct cpt_asym_sess_misc *priv;
394 struct rte_mempool *sess_mp;
396 CPT_PMD_INIT_FUNC_TRACE();
398 priv = get_asym_session_private_data(sess, dev->driver_id);
403 /* Free resources allocated during session configure */
404 cpt_free_asym_session_parameters(priv);
405 memset(priv, 0, otx_cpt_asym_session_size_get(dev));
406 sess_mp = rte_mempool_from_obj(priv);
407 set_asym_session_private_data(sess, dev->driver_id, NULL);
408 rte_mempool_put(sess_mp, priv);
411 static __rte_always_inline int32_t __rte_hot
412 otx_cpt_request_enqueue(struct cpt_instance *instance,
413 struct pending_queue *pqueue,
414 void *req, uint64_t cpt_inst_w7)
416 struct cpt_request_info *user_req = (struct cpt_request_info *)req;
418 if (unlikely(pqueue->pending_count >= DEFAULT_CMD_QLEN))
421 fill_cpt_inst(instance, req, cpt_inst_w7);
423 CPT_LOG_DP_DEBUG("req: %p op: %p ", req, user_req->op);
425 /* Fill time_out cycles */
426 user_req->time_out = rte_get_timer_cycles() +
427 DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
428 user_req->extra_time = 0;
430 /* Default mode of software queue */
431 mark_cpt_inst(instance);
433 pqueue->rid_queue[pqueue->enq_tail].rid = (uintptr_t)user_req;
435 /* We will use soft queue length here to limit requests */
436 MOD_INC(pqueue->enq_tail, DEFAULT_CMD_QLEN);
437 pqueue->pending_count += 1;
439 CPT_LOG_DP_DEBUG("Submitted NB cmd with request: %p "
440 "op: %p", user_req, user_req->op);
444 static __rte_always_inline int __rte_hot
445 otx_cpt_enq_single_asym(struct cpt_instance *instance,
446 struct rte_crypto_op *op,
447 struct pending_queue *pqueue)
449 struct cpt_qp_meta_info *minfo = &instance->meta_info;
450 struct rte_crypto_asym_op *asym_op = op->asym;
451 struct asym_op_params params = {0};
452 struct cpt_asym_sess_misc *sess;
457 if (unlikely(rte_mempool_get(minfo->pool, &mdata) < 0)) {
458 CPT_LOG_DP_ERR("Could not allocate meta buffer for request");
462 sess = get_asym_session_private_data(asym_op->session,
463 otx_cryptodev_driver_id);
465 /* Store phys_addr of the mdata to meta_buf */
466 params.meta_buf = rte_mempool_virt2iova(mdata);
469 cop[0] = (uintptr_t)mdata;
470 cop[1] = (uintptr_t)op;
471 cop[2] = cop[3] = 0ULL;
473 params.req = RTE_PTR_ADD(cop, 4 * sizeof(uintptr_t));
474 params.req->op = cop;
476 /* Adjust meta_buf by crypto_op data and request_info struct */
477 params.meta_buf += (4 * sizeof(uintptr_t)) +
478 sizeof(struct cpt_request_info);
480 switch (sess->xfrm_type) {
481 case RTE_CRYPTO_ASYM_XFORM_MODEX:
482 ret = cpt_modex_prep(¶ms, &sess->mod_ctx);
486 case RTE_CRYPTO_ASYM_XFORM_RSA:
487 ret = cpt_enqueue_rsa_op(op, ¶ms, sess);
491 case RTE_CRYPTO_ASYM_XFORM_ECDSA:
492 ret = cpt_enqueue_ecdsa_op(op, ¶ms, sess, otx_fpm_iova);
496 case RTE_CRYPTO_ASYM_XFORM_ECPM:
497 ret = cpt_ecpm_prep(&asym_op->ecpm, ¶ms,
498 sess->ec_ctx.curveid);
504 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
509 ret = otx_cpt_request_enqueue(instance, pqueue, params.req,
513 CPT_LOG_DP_ERR("Could not enqueue crypto req");
520 free_op_meta(mdata, minfo->pool);
525 static __rte_always_inline int __rte_hot
526 otx_cpt_enq_single_sym(struct cpt_instance *instance,
527 struct rte_crypto_op *op,
528 struct pending_queue *pqueue)
530 struct cpt_sess_misc *sess;
531 struct rte_crypto_sym_op *sym_op = op->sym;
532 struct cpt_request_info *prep_req;
537 sess = (struct cpt_sess_misc *)
538 get_sym_session_private_data(sym_op->session,
539 otx_cryptodev_driver_id);
541 cpt_op = sess->cpt_op;
543 if (likely(cpt_op & CPT_OP_CIPHER_MASK))
544 ret = fill_fc_params(op, sess, &instance->meta_info, &mdata,
547 ret = fill_digest_params(op, sess, &instance->meta_info,
548 &mdata, (void **)&prep_req);
551 CPT_LOG_DP_ERR("prep cryto req : op %p, cpt_op 0x%x "
552 "ret 0x%x", op, (unsigned int)cpt_op, ret);
556 /* Enqueue prepared instruction to h/w */
557 ret = otx_cpt_request_enqueue(instance, pqueue, prep_req,
561 /* Buffer allocated for request preparation need to be freed */
562 free_op_meta(mdata, instance->meta_info.pool);
569 static __rte_always_inline int __rte_hot
570 otx_cpt_enq_single_sym_sessless(struct cpt_instance *instance,
571 struct rte_crypto_op *op,
572 struct pending_queue *pend_q)
574 const int driver_id = otx_cryptodev_driver_id;
575 struct rte_crypto_sym_op *sym_op = op->sym;
576 struct rte_cryptodev_sym_session *sess;
579 /* Create temporary session */
581 if (rte_mempool_get(instance->sess_mp, (void **)&sess))
584 ret = sym_session_configure(driver_id, sym_op->xform, sess,
585 instance->sess_mp_priv);
589 sym_op->session = sess;
591 ret = otx_cpt_enq_single_sym(instance, op, pend_q);
599 sym_session_clear(driver_id, sess);
601 rte_mempool_put(instance->sess_mp, sess);
605 #define OP_TYPE_SYM 0
606 #define OP_TYPE_ASYM 1
608 static __rte_always_inline int __rte_hot
609 otx_cpt_enq_single(struct cpt_instance *inst,
610 struct rte_crypto_op *op,
611 struct pending_queue *pqueue,
612 const uint8_t op_type)
614 /* Check for the type */
616 if (op_type == OP_TYPE_SYM) {
617 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
618 return otx_cpt_enq_single_sym(inst, op, pqueue);
620 return otx_cpt_enq_single_sym_sessless(inst, op,
624 if (op_type == OP_TYPE_ASYM) {
625 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
626 return otx_cpt_enq_single_asym(inst, op, pqueue);
629 /* Should not reach here */
633 static __rte_always_inline uint16_t __rte_hot
634 otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops,
635 const uint8_t op_type)
637 struct cpt_instance *instance = (struct cpt_instance *)qptr;
640 struct cpt_vf *cptvf = (struct cpt_vf *)instance;
641 struct pending_queue *pqueue = &cptvf->pqueue;
643 count = DEFAULT_CMD_QLEN - pqueue->pending_count;
648 while (likely(count < nb_ops)) {
650 /* Enqueue single op */
651 ret = otx_cpt_enq_single(instance, ops[count], pqueue, op_type);
657 otx_cpt_ring_dbell(instance, count);
662 otx_cpt_enqueue_asym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
664 return otx_cpt_pkt_enqueue(qptr, ops, nb_ops, OP_TYPE_ASYM);
668 otx_cpt_enqueue_sym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
670 return otx_cpt_pkt_enqueue(qptr, ops, nb_ops, OP_TYPE_SYM);
674 otx_cpt_asym_rsa_op(struct rte_crypto_op *cop, struct cpt_request_info *req,
675 struct rte_crypto_rsa_xform *rsa_ctx)
678 struct rte_crypto_rsa_op_param *rsa = &cop->asym->rsa;
680 switch (rsa->op_type) {
681 case RTE_CRYPTO_ASYM_OP_ENCRYPT:
682 rsa->cipher.length = rsa_ctx->n.length;
683 memcpy(rsa->cipher.data, req->rptr, rsa->cipher.length);
685 case RTE_CRYPTO_ASYM_OP_DECRYPT:
686 if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE)
687 rsa->message.length = rsa_ctx->n.length;
689 /* Get length of decrypted output */
690 rsa->message.length = rte_cpu_to_be_16
691 (*((uint16_t *)req->rptr));
693 /* Offset data pointer by length fields */
696 memcpy(rsa->message.data, req->rptr, rsa->message.length);
698 case RTE_CRYPTO_ASYM_OP_SIGN:
699 rsa->sign.length = rsa_ctx->n.length;
700 memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
702 case RTE_CRYPTO_ASYM_OP_VERIFY:
703 if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE)
704 rsa->sign.length = rsa_ctx->n.length;
706 /* Get length of decrypted output */
707 rsa->sign.length = rte_cpu_to_be_16
708 (*((uint16_t *)req->rptr));
710 /* Offset data pointer by length fields */
713 memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
715 if (memcmp(rsa->sign.data, rsa->message.data,
716 rsa->message.length)) {
717 CPT_LOG_DP_ERR("RSA verification failed");
718 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
722 CPT_LOG_DP_DEBUG("Invalid RSA operation type");
723 cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
728 static __rte_always_inline void
729 otx_cpt_asym_dequeue_ecdsa_op(struct rte_crypto_ecdsa_op_param *ecdsa,
730 struct cpt_request_info *req,
731 struct cpt_asym_ec_ctx *ec)
734 int prime_len = ec_grp[ec->curveid].prime.length;
736 if (ecdsa->op_type == RTE_CRYPTO_ASYM_OP_VERIFY)
739 /* Separate out sign r and s components */
740 memcpy(ecdsa->r.data, req->rptr, prime_len);
741 memcpy(ecdsa->s.data, req->rptr + ROUNDUP8(prime_len), prime_len);
742 ecdsa->r.length = prime_len;
743 ecdsa->s.length = prime_len;
746 static __rte_always_inline void
747 otx_cpt_asym_dequeue_ecpm_op(struct rte_crypto_ecpm_op_param *ecpm,
748 struct cpt_request_info *req,
749 struct cpt_asym_ec_ctx *ec)
751 int prime_len = ec_grp[ec->curveid].prime.length;
753 memcpy(ecpm->r.x.data, req->rptr, prime_len);
754 memcpy(ecpm->r.y.data, req->rptr + ROUNDUP8(prime_len), prime_len);
755 ecpm->r.x.length = prime_len;
756 ecpm->r.y.length = prime_len;
759 static __rte_always_inline void __rte_hot
760 otx_cpt_asym_post_process(struct rte_crypto_op *cop,
761 struct cpt_request_info *req)
763 struct rte_crypto_asym_op *op = cop->asym;
764 struct cpt_asym_sess_misc *sess;
766 sess = get_asym_session_private_data(op->session,
767 otx_cryptodev_driver_id);
769 switch (sess->xfrm_type) {
770 case RTE_CRYPTO_ASYM_XFORM_RSA:
771 otx_cpt_asym_rsa_op(cop, req, &sess->rsa_ctx);
773 case RTE_CRYPTO_ASYM_XFORM_MODEX:
774 op->modex.result.length = sess->mod_ctx.modulus.length;
775 memcpy(op->modex.result.data, req->rptr,
776 op->modex.result.length);
778 case RTE_CRYPTO_ASYM_XFORM_ECDSA:
779 otx_cpt_asym_dequeue_ecdsa_op(&op->ecdsa, req, &sess->ec_ctx);
781 case RTE_CRYPTO_ASYM_XFORM_ECPM:
782 otx_cpt_asym_dequeue_ecpm_op(&op->ecpm, req, &sess->ec_ctx);
785 CPT_LOG_DP_DEBUG("Invalid crypto xform type");
786 cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
791 static __rte_always_inline void __rte_hot
792 otx_cpt_dequeue_post_process(struct rte_crypto_op *cop, uintptr_t *rsp,
793 const uint8_t op_type)
795 /* H/w has returned success */
796 cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
798 /* Perform further post processing */
800 if ((op_type == OP_TYPE_SYM) &&
801 (cop->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC)) {
802 /* Check if auth verify need to be completed */
803 if (unlikely(rsp[2]))
804 compl_auth_verify(cop, (uint8_t *)rsp[2], rsp[3]);
808 if ((op_type == OP_TYPE_ASYM) &&
809 (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC)) {
810 rsp = RTE_PTR_ADD(rsp, 4 * sizeof(uintptr_t));
811 otx_cpt_asym_post_process(cop, (struct cpt_request_info *)rsp);
817 static __rte_always_inline uint16_t __rte_hot
818 otx_cpt_pkt_dequeue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops,
819 const uint8_t op_type)
821 struct cpt_instance *instance = (struct cpt_instance *)qptr;
822 struct cpt_request_info *user_req;
823 struct cpt_vf *cptvf = (struct cpt_vf *)instance;
826 int i, count, pcount;
829 struct pending_queue *pqueue = &cptvf->pqueue;
830 struct rte_crypto_op *cop;
834 pcount = pqueue->pending_count;
835 count = (nb_ops > pcount) ? pcount : nb_ops;
837 for (i = 0; i < count; i++) {
838 rid_e = &pqueue->rid_queue[pqueue->deq_head];
839 user_req = (struct cpt_request_info *)(rid_e->rid);
841 if (likely((i+1) < count))
842 rte_prefetch_non_temporal((void *)rid_e[1].rid);
844 ret = check_nb_command_id(user_req, instance);
846 if (unlikely(ret == ERR_REQ_PENDING)) {
847 /* Stop checking for completions */
851 /* Return completion code and op handle */
853 ops[i] = user_req->op;
855 CPT_LOG_DP_DEBUG("Request %p Op %p completed with code %d",
856 user_req, user_req->op, ret);
858 MOD_INC(pqueue->deq_head, DEFAULT_CMD_QLEN);
859 pqueue->pending_count -= 1;
864 for (i = 0; i < nb_completed; i++) {
866 rsp = (void *)ops[i];
868 if (likely((i + 1) < nb_completed))
869 rte_prefetch0(ops[i+1]);
871 metabuf = (void *)rsp[0];
872 cop = (void *)rsp[1];
876 /* Check completion code */
878 if (likely(cc[i] == 0)) {
879 /* H/w success pkt. Post process */
880 otx_cpt_dequeue_post_process(cop, rsp, op_type);
881 } else if (cc[i] == ERR_GC_ICV_MISCOMPARE) {
882 /* auth data mismatch */
883 cop->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
886 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
889 if (unlikely(cop->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) {
890 void *sess_private_data_t =
891 get_sym_session_private_data(cop->sym->session,
892 otx_cryptodev_driver_id);
893 memset(sess_private_data_t, 0,
894 cpt_get_session_size());
895 memset(cop->sym->session, 0,
896 rte_cryptodev_sym_get_existing_header_session_size(
898 rte_mempool_put(instance->sess_mp_priv,
899 sess_private_data_t);
900 rte_mempool_put(instance->sess_mp, cop->sym->session);
901 cop->sym->session = NULL;
903 free_op_meta(metabuf, instance->meta_info.pool);
910 otx_cpt_dequeue_asym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
912 return otx_cpt_pkt_dequeue(qptr, ops, nb_ops, OP_TYPE_ASYM);
916 otx_cpt_dequeue_sym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
918 return otx_cpt_pkt_dequeue(qptr, ops, nb_ops, OP_TYPE_SYM);
921 static struct rte_cryptodev_ops cptvf_ops = {
922 /* Device related operations */
923 .dev_configure = otx_cpt_dev_config,
924 .dev_start = otx_cpt_dev_start,
925 .dev_stop = otx_cpt_dev_stop,
926 .dev_close = otx_cpt_dev_close,
927 .dev_infos_get = otx_cpt_dev_info_get,
931 .queue_pair_setup = otx_cpt_que_pair_setup,
932 .queue_pair_release = otx_cpt_que_pair_release,
934 /* Crypto related operations */
935 .sym_session_get_size = otx_cpt_get_session_size,
936 .sym_session_configure = otx_cpt_session_cfg,
937 .sym_session_clear = otx_cpt_session_clear,
939 .asym_session_get_size = otx_cpt_asym_session_size_get,
940 .asym_session_configure = otx_cpt_asym_session_cfg,
941 .asym_session_clear = otx_cpt_asym_session_clear,
945 otx_cpt_dev_create(struct rte_cryptodev *c_dev)
947 struct rte_pci_device *pdev = RTE_DEV_TO_PCI(c_dev->device);
948 struct cpt_vf *cptvf = NULL;
953 if (pdev->mem_resource[0].phys_addr == 0ULL)
956 /* for secondary processes, we don't initialise any further as primary
957 * has already done this work.
959 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
962 cptvf = rte_zmalloc_socket("otx_cryptodev_private_mem",
963 sizeof(struct cpt_vf), RTE_CACHE_LINE_SIZE,
967 CPT_LOG_ERR("Cannot allocate memory for device private data");
971 snprintf(dev_name, 32, "%02x:%02x.%x",
972 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
974 reg_base = pdev->mem_resource[0].addr;
976 CPT_LOG_ERR("Failed to map BAR0 of %s", dev_name);
981 ret = otx_cpt_hw_init(cptvf, pdev, reg_base, dev_name);
983 CPT_LOG_ERR("Failed to init cptvf %s", dev_name);
988 switch (cptvf->vftype) {
989 case OTX_CPT_VF_TYPE_AE:
990 /* Set asymmetric cpt feature flags */
991 c_dev->feature_flags = RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO |
992 RTE_CRYPTODEV_FF_HW_ACCELERATED |
993 RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT;
995 case OTX_CPT_VF_TYPE_SE:
996 /* Set symmetric cpt feature flags */
997 c_dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
998 RTE_CRYPTODEV_FF_HW_ACCELERATED |
999 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
1000 RTE_CRYPTODEV_FF_IN_PLACE_SGL |
1001 RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT |
1002 RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
1003 RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT |
1004 RTE_CRYPTODEV_FF_SYM_SESSIONLESS;
1007 /* Feature not supported. Abort */
1008 CPT_LOG_ERR("VF type not supported by %s", dev_name);
1013 /* Start off timer for mailbox interrupts */
1014 otx_cpt_periodic_alarm_start(cptvf);
1016 c_dev->dev_ops = &cptvf_ops;
1018 if (c_dev->feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO) {
1019 c_dev->enqueue_burst = otx_cpt_enqueue_sym;
1020 c_dev->dequeue_burst = otx_cpt_dequeue_sym;
1022 c_dev->enqueue_burst = otx_cpt_enqueue_asym;
1023 c_dev->dequeue_burst = otx_cpt_dequeue_asym;
1026 /* Save dev private data */
1027 c_dev->data->dev_private = cptvf;
1032 otx_cpt_deinit_device(cptvf);
1036 /* Free private data allocated */