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;
247 ret = sym_xform_verify(xform);
251 if (unlikely(rte_mempool_get(pool, &priv))) {
252 CPT_LOG_ERR("Could not allocate session private data");
256 memset(priv, 0, sizeof(struct cpt_sess_misc) +
257 offsetof(struct cpt_ctx, fctx));
261 for ( ; xform != NULL; xform = xform->next) {
262 switch (xform->type) {
263 case RTE_CRYPTO_SYM_XFORM_AEAD:
264 ret = fill_sess_aead(xform, misc);
266 case RTE_CRYPTO_SYM_XFORM_CIPHER:
267 ret = fill_sess_cipher(xform, misc);
269 case RTE_CRYPTO_SYM_XFORM_AUTH:
270 if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
271 ret = fill_sess_gmac(xform, misc);
273 ret = fill_sess_auth(xform, misc);
283 if ((GET_SESS_FC_TYPE(misc) == HASH_HMAC) &&
284 cpt_mac_len_verify(&temp_xform->auth)) {
285 CPT_LOG_ERR("MAC length is not supported");
290 set_sym_session_private_data(sess, driver_id, priv);
292 misc->ctx_dma_addr = rte_mempool_virt2iova(misc) +
293 sizeof(struct cpt_sess_misc);
299 rte_mempool_put(pool, priv);
304 sym_session_clear(int driver_id, struct rte_cryptodev_sym_session *sess)
306 void *priv = get_sym_session_private_data(sess, driver_id);
307 struct rte_mempool *pool;
312 memset(priv, 0, cpt_get_session_size());
314 pool = rte_mempool_from_obj(priv);
316 set_sym_session_private_data(sess, driver_id, NULL);
318 rte_mempool_put(pool, priv);
322 otx_cpt_session_cfg(struct rte_cryptodev *dev,
323 struct rte_crypto_sym_xform *xform,
324 struct rte_cryptodev_sym_session *sess,
325 struct rte_mempool *pool)
327 CPT_PMD_INIT_FUNC_TRACE();
329 return sym_session_configure(dev->driver_id, xform, sess, pool);
334 otx_cpt_session_clear(struct rte_cryptodev *dev,
335 struct rte_cryptodev_sym_session *sess)
337 CPT_PMD_INIT_FUNC_TRACE();
339 return sym_session_clear(dev->driver_id, sess);
343 otx_cpt_asym_session_size_get(struct rte_cryptodev *dev __rte_unused)
345 return sizeof(struct cpt_asym_sess_misc);
349 otx_cpt_asym_session_cfg(struct rte_cryptodev *dev,
350 struct rte_crypto_asym_xform *xform __rte_unused,
351 struct rte_cryptodev_asym_session *sess,
352 struct rte_mempool *pool)
354 struct cpt_asym_sess_misc *priv;
357 CPT_PMD_INIT_FUNC_TRACE();
359 if (rte_mempool_get(pool, (void **)&priv)) {
360 CPT_LOG_ERR("Could not allocate session private data");
364 memset(priv, 0, sizeof(struct cpt_asym_sess_misc));
366 ret = cpt_fill_asym_session_parameters(priv, xform);
368 CPT_LOG_ERR("Could not configure session parameters");
370 /* Return session to mempool */
371 rte_mempool_put(pool, priv);
375 set_asym_session_private_data(sess, dev->driver_id, priv);
380 otx_cpt_asym_session_clear(struct rte_cryptodev *dev,
381 struct rte_cryptodev_asym_session *sess)
383 struct cpt_asym_sess_misc *priv;
384 struct rte_mempool *sess_mp;
386 CPT_PMD_INIT_FUNC_TRACE();
388 priv = get_asym_session_private_data(sess, dev->driver_id);
393 /* Free resources allocated during session configure */
394 cpt_free_asym_session_parameters(priv);
395 memset(priv, 0, otx_cpt_asym_session_size_get(dev));
396 sess_mp = rte_mempool_from_obj(priv);
397 set_asym_session_private_data(sess, dev->driver_id, NULL);
398 rte_mempool_put(sess_mp, priv);
401 static __rte_always_inline int32_t __rte_hot
402 otx_cpt_request_enqueue(struct cpt_instance *instance,
403 struct pending_queue *pqueue,
406 struct cpt_request_info *user_req = (struct cpt_request_info *)req;
408 if (unlikely(pqueue->pending_count >= DEFAULT_CMD_QLEN))
411 fill_cpt_inst(instance, req);
413 CPT_LOG_DP_DEBUG("req: %p op: %p ", req, user_req->op);
415 /* Fill time_out cycles */
416 user_req->time_out = rte_get_timer_cycles() +
417 DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
418 user_req->extra_time = 0;
420 /* Default mode of software queue */
421 mark_cpt_inst(instance);
423 pqueue->rid_queue[pqueue->enq_tail].rid = (uintptr_t)user_req;
425 /* We will use soft queue length here to limit requests */
426 MOD_INC(pqueue->enq_tail, DEFAULT_CMD_QLEN);
427 pqueue->pending_count += 1;
429 CPT_LOG_DP_DEBUG("Submitted NB cmd with request: %p "
430 "op: %p", user_req, user_req->op);
434 static __rte_always_inline int __rte_hot
435 otx_cpt_enq_single_asym(struct cpt_instance *instance,
436 struct rte_crypto_op *op,
437 struct pending_queue *pqueue)
439 struct cpt_qp_meta_info *minfo = &instance->meta_info;
440 struct rte_crypto_asym_op *asym_op = op->asym;
441 struct asym_op_params params = {0};
442 struct cpt_asym_sess_misc *sess;
447 if (unlikely(rte_mempool_get(minfo->pool, &mdata) < 0)) {
448 CPT_LOG_DP_ERR("Could not allocate meta buffer for request");
452 sess = get_asym_session_private_data(asym_op->session,
453 otx_cryptodev_driver_id);
455 /* Store phys_addr of the mdata to meta_buf */
456 params.meta_buf = rte_mempool_virt2iova(mdata);
459 cop[0] = (uintptr_t)mdata;
460 cop[1] = (uintptr_t)op;
461 cop[2] = cop[3] = 0ULL;
463 params.req = RTE_PTR_ADD(cop, 4 * sizeof(uintptr_t));
464 params.req->op = cop;
466 /* Adjust meta_buf by crypto_op data and request_info struct */
467 params.meta_buf += (4 * sizeof(uintptr_t)) +
468 sizeof(struct cpt_request_info);
470 switch (sess->xfrm_type) {
471 case RTE_CRYPTO_ASYM_XFORM_MODEX:
472 ret = cpt_modex_prep(¶ms, &sess->mod_ctx);
476 case RTE_CRYPTO_ASYM_XFORM_RSA:
477 ret = cpt_enqueue_rsa_op(op, ¶ms, sess);
481 case RTE_CRYPTO_ASYM_XFORM_ECDSA:
482 ret = cpt_enqueue_ecdsa_op(op, ¶ms, sess, otx_fpm_iova);
486 case RTE_CRYPTO_ASYM_XFORM_ECPM:
487 ret = cpt_ecpm_prep(&asym_op->ecpm, ¶ms,
488 sess->ec_ctx.curveid);
494 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
499 ret = otx_cpt_request_enqueue(instance, pqueue, params.req);
502 CPT_LOG_DP_ERR("Could not enqueue crypto req");
509 free_op_meta(mdata, minfo->pool);
514 static __rte_always_inline int __rte_hot
515 otx_cpt_enq_single_sym(struct cpt_instance *instance,
516 struct rte_crypto_op *op,
517 struct pending_queue *pqueue)
519 struct cpt_sess_misc *sess;
520 struct rte_crypto_sym_op *sym_op = op->sym;
521 void *prep_req, *mdata = NULL;
525 sess = (struct cpt_sess_misc *)
526 get_sym_session_private_data(sym_op->session,
527 otx_cryptodev_driver_id);
529 cpt_op = sess->cpt_op;
531 if (likely(cpt_op & CPT_OP_CIPHER_MASK))
532 ret = fill_fc_params(op, sess, &instance->meta_info, &mdata,
535 ret = fill_digest_params(op, sess, &instance->meta_info,
539 CPT_LOG_DP_ERR("prep cryto req : op %p, cpt_op 0x%x "
540 "ret 0x%x", op, (unsigned int)cpt_op, ret);
544 /* Enqueue prepared instruction to h/w */
545 ret = otx_cpt_request_enqueue(instance, pqueue, prep_req);
548 /* Buffer allocated for request preparation need to be freed */
549 free_op_meta(mdata, instance->meta_info.pool);
556 static __rte_always_inline int __rte_hot
557 otx_cpt_enq_single_sym_sessless(struct cpt_instance *instance,
558 struct rte_crypto_op *op,
559 struct pending_queue *pend_q)
561 const int driver_id = otx_cryptodev_driver_id;
562 struct rte_crypto_sym_op *sym_op = op->sym;
563 struct rte_cryptodev_sym_session *sess;
566 /* Create temporary session */
568 if (rte_mempool_get(instance->sess_mp, (void **)&sess))
571 ret = sym_session_configure(driver_id, sym_op->xform, sess,
572 instance->sess_mp_priv);
576 sym_op->session = sess;
578 ret = otx_cpt_enq_single_sym(instance, op, pend_q);
586 sym_session_clear(driver_id, sess);
588 rte_mempool_put(instance->sess_mp, sess);
592 #define OP_TYPE_SYM 0
593 #define OP_TYPE_ASYM 1
595 static __rte_always_inline int __rte_hot
596 otx_cpt_enq_single(struct cpt_instance *inst,
597 struct rte_crypto_op *op,
598 struct pending_queue *pqueue,
599 const uint8_t op_type)
601 /* Check for the type */
603 if (op_type == OP_TYPE_SYM) {
604 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
605 return otx_cpt_enq_single_sym(inst, op, pqueue);
607 return otx_cpt_enq_single_sym_sessless(inst, op,
611 if (op_type == OP_TYPE_ASYM) {
612 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
613 return otx_cpt_enq_single_asym(inst, op, pqueue);
616 /* Should not reach here */
620 static __rte_always_inline uint16_t __rte_hot
621 otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops,
622 const uint8_t op_type)
624 struct cpt_instance *instance = (struct cpt_instance *)qptr;
627 struct cpt_vf *cptvf = (struct cpt_vf *)instance;
628 struct pending_queue *pqueue = &cptvf->pqueue;
630 count = DEFAULT_CMD_QLEN - pqueue->pending_count;
635 while (likely(count < nb_ops)) {
637 /* Enqueue single op */
638 ret = otx_cpt_enq_single(instance, ops[count], pqueue, op_type);
644 otx_cpt_ring_dbell(instance, count);
649 otx_cpt_enqueue_asym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
651 return otx_cpt_pkt_enqueue(qptr, ops, nb_ops, OP_TYPE_ASYM);
655 otx_cpt_enqueue_sym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
657 return otx_cpt_pkt_enqueue(qptr, ops, nb_ops, OP_TYPE_SYM);
661 otx_cpt_asym_rsa_op(struct rte_crypto_op *cop, struct cpt_request_info *req,
662 struct rte_crypto_rsa_xform *rsa_ctx)
665 struct rte_crypto_rsa_op_param *rsa = &cop->asym->rsa;
667 switch (rsa->op_type) {
668 case RTE_CRYPTO_ASYM_OP_ENCRYPT:
669 rsa->cipher.length = rsa_ctx->n.length;
670 memcpy(rsa->cipher.data, req->rptr, rsa->cipher.length);
672 case RTE_CRYPTO_ASYM_OP_DECRYPT:
673 if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE)
674 rsa->message.length = rsa_ctx->n.length;
676 /* Get length of decrypted output */
677 rsa->message.length = rte_cpu_to_be_16
678 (*((uint16_t *)req->rptr));
680 /* Offset data pointer by length fields */
683 memcpy(rsa->message.data, req->rptr, rsa->message.length);
685 case RTE_CRYPTO_ASYM_OP_SIGN:
686 rsa->sign.length = rsa_ctx->n.length;
687 memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
689 case RTE_CRYPTO_ASYM_OP_VERIFY:
690 if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE)
691 rsa->sign.length = rsa_ctx->n.length;
693 /* Get length of decrypted output */
694 rsa->sign.length = rte_cpu_to_be_16
695 (*((uint16_t *)req->rptr));
697 /* Offset data pointer by length fields */
700 memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
702 if (memcmp(rsa->sign.data, rsa->message.data,
703 rsa->message.length)) {
704 CPT_LOG_DP_ERR("RSA verification failed");
705 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
709 CPT_LOG_DP_DEBUG("Invalid RSA operation type");
710 cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
715 static __rte_always_inline void
716 otx_cpt_asym_dequeue_ecdsa_op(struct rte_crypto_ecdsa_op_param *ecdsa,
717 struct cpt_request_info *req,
718 struct cpt_asym_ec_ctx *ec)
721 int prime_len = ec_grp[ec->curveid].prime.length;
723 if (ecdsa->op_type == RTE_CRYPTO_ASYM_OP_VERIFY)
726 /* Separate out sign r and s components */
727 memcpy(ecdsa->r.data, req->rptr, prime_len);
728 memcpy(ecdsa->s.data, req->rptr + ROUNDUP8(prime_len), prime_len);
729 ecdsa->r.length = prime_len;
730 ecdsa->s.length = prime_len;
733 static __rte_always_inline void
734 otx_cpt_asym_dequeue_ecpm_op(struct rte_crypto_ecpm_op_param *ecpm,
735 struct cpt_request_info *req,
736 struct cpt_asym_ec_ctx *ec)
738 int prime_len = ec_grp[ec->curveid].prime.length;
740 memcpy(ecpm->r.x.data, req->rptr, prime_len);
741 memcpy(ecpm->r.y.data, req->rptr + ROUNDUP8(prime_len), prime_len);
742 ecpm->r.x.length = prime_len;
743 ecpm->r.y.length = prime_len;
746 static __rte_always_inline void __rte_hot
747 otx_cpt_asym_post_process(struct rte_crypto_op *cop,
748 struct cpt_request_info *req)
750 struct rte_crypto_asym_op *op = cop->asym;
751 struct cpt_asym_sess_misc *sess;
753 sess = get_asym_session_private_data(op->session,
754 otx_cryptodev_driver_id);
756 switch (sess->xfrm_type) {
757 case RTE_CRYPTO_ASYM_XFORM_RSA:
758 otx_cpt_asym_rsa_op(cop, req, &sess->rsa_ctx);
760 case RTE_CRYPTO_ASYM_XFORM_MODEX:
761 op->modex.result.length = sess->mod_ctx.modulus.length;
762 memcpy(op->modex.result.data, req->rptr,
763 op->modex.result.length);
765 case RTE_CRYPTO_ASYM_XFORM_ECDSA:
766 otx_cpt_asym_dequeue_ecdsa_op(&op->ecdsa, req, &sess->ec_ctx);
768 case RTE_CRYPTO_ASYM_XFORM_ECPM:
769 otx_cpt_asym_dequeue_ecpm_op(&op->ecpm, req, &sess->ec_ctx);
772 CPT_LOG_DP_DEBUG("Invalid crypto xform type");
773 cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
778 static __rte_always_inline void __rte_hot
779 otx_cpt_dequeue_post_process(struct rte_crypto_op *cop, uintptr_t *rsp,
780 const uint8_t op_type)
782 /* H/w has returned success */
783 cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
785 /* Perform further post processing */
787 if ((op_type == OP_TYPE_SYM) &&
788 (cop->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC)) {
789 /* Check if auth verify need to be completed */
790 if (unlikely(rsp[2]))
791 compl_auth_verify(cop, (uint8_t *)rsp[2], rsp[3]);
795 if ((op_type == OP_TYPE_ASYM) &&
796 (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC)) {
797 rsp = RTE_PTR_ADD(rsp, 4 * sizeof(uintptr_t));
798 otx_cpt_asym_post_process(cop, (struct cpt_request_info *)rsp);
804 static __rte_always_inline uint16_t __rte_hot
805 otx_cpt_pkt_dequeue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops,
806 const uint8_t op_type)
808 struct cpt_instance *instance = (struct cpt_instance *)qptr;
809 struct cpt_request_info *user_req;
810 struct cpt_vf *cptvf = (struct cpt_vf *)instance;
813 int i, count, pcount;
816 struct pending_queue *pqueue = &cptvf->pqueue;
817 struct rte_crypto_op *cop;
821 pcount = pqueue->pending_count;
822 count = (nb_ops > pcount) ? pcount : nb_ops;
824 for (i = 0; i < count; i++) {
825 rid_e = &pqueue->rid_queue[pqueue->deq_head];
826 user_req = (struct cpt_request_info *)(rid_e->rid);
828 if (likely((i+1) < count))
829 rte_prefetch_non_temporal((void *)rid_e[1].rid);
831 ret = check_nb_command_id(user_req, instance);
833 if (unlikely(ret == ERR_REQ_PENDING)) {
834 /* Stop checking for completions */
838 /* Return completion code and op handle */
840 ops[i] = user_req->op;
842 CPT_LOG_DP_DEBUG("Request %p Op %p completed with code %d",
843 user_req, user_req->op, ret);
845 MOD_INC(pqueue->deq_head, DEFAULT_CMD_QLEN);
846 pqueue->pending_count -= 1;
851 for (i = 0; i < nb_completed; i++) {
853 rsp = (void *)ops[i];
855 if (likely((i + 1) < nb_completed))
856 rte_prefetch0(ops[i+1]);
858 metabuf = (void *)rsp[0];
859 cop = (void *)rsp[1];
863 /* Check completion code */
865 if (likely(cc[i] == 0)) {
866 /* H/w success pkt. Post process */
867 otx_cpt_dequeue_post_process(cop, rsp, op_type);
868 } else if (cc[i] == ERR_GC_ICV_MISCOMPARE) {
869 /* auth data mismatch */
870 cop->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
873 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
876 if (unlikely(cop->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) {
877 void *sess_private_data_t =
878 get_sym_session_private_data(cop->sym->session,
879 otx_cryptodev_driver_id);
880 memset(sess_private_data_t, 0,
881 cpt_get_session_size());
882 memset(cop->sym->session, 0,
883 rte_cryptodev_sym_get_existing_header_session_size(
885 rte_mempool_put(instance->sess_mp_priv,
886 sess_private_data_t);
887 rte_mempool_put(instance->sess_mp, cop->sym->session);
888 cop->sym->session = NULL;
890 free_op_meta(metabuf, instance->meta_info.pool);
897 otx_cpt_dequeue_asym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
899 return otx_cpt_pkt_dequeue(qptr, ops, nb_ops, OP_TYPE_ASYM);
903 otx_cpt_dequeue_sym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
905 return otx_cpt_pkt_dequeue(qptr, ops, nb_ops, OP_TYPE_SYM);
908 static struct rte_cryptodev_ops cptvf_ops = {
909 /* Device related operations */
910 .dev_configure = otx_cpt_dev_config,
911 .dev_start = otx_cpt_dev_start,
912 .dev_stop = otx_cpt_dev_stop,
913 .dev_close = otx_cpt_dev_close,
914 .dev_infos_get = otx_cpt_dev_info_get,
918 .queue_pair_setup = otx_cpt_que_pair_setup,
919 .queue_pair_release = otx_cpt_que_pair_release,
921 /* Crypto related operations */
922 .sym_session_get_size = otx_cpt_get_session_size,
923 .sym_session_configure = otx_cpt_session_cfg,
924 .sym_session_clear = otx_cpt_session_clear,
926 .asym_session_get_size = otx_cpt_asym_session_size_get,
927 .asym_session_configure = otx_cpt_asym_session_cfg,
928 .asym_session_clear = otx_cpt_asym_session_clear,
932 otx_cpt_dev_create(struct rte_cryptodev *c_dev)
934 struct rte_pci_device *pdev = RTE_DEV_TO_PCI(c_dev->device);
935 struct cpt_vf *cptvf = NULL;
940 if (pdev->mem_resource[0].phys_addr == 0ULL)
943 /* for secondary processes, we don't initialise any further as primary
944 * has already done this work.
946 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
949 cptvf = rte_zmalloc_socket("otx_cryptodev_private_mem",
950 sizeof(struct cpt_vf), RTE_CACHE_LINE_SIZE,
954 CPT_LOG_ERR("Cannot allocate memory for device private data");
958 snprintf(dev_name, 32, "%02x:%02x.%x",
959 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
961 reg_base = pdev->mem_resource[0].addr;
963 CPT_LOG_ERR("Failed to map BAR0 of %s", dev_name);
968 ret = otx_cpt_hw_init(cptvf, pdev, reg_base, dev_name);
970 CPT_LOG_ERR("Failed to init cptvf %s", dev_name);
975 switch (cptvf->vftype) {
976 case OTX_CPT_VF_TYPE_AE:
977 /* Set asymmetric cpt feature flags */
978 c_dev->feature_flags = RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO |
979 RTE_CRYPTODEV_FF_HW_ACCELERATED |
980 RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT;
982 case OTX_CPT_VF_TYPE_SE:
983 /* Set symmetric cpt feature flags */
984 c_dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
985 RTE_CRYPTODEV_FF_HW_ACCELERATED |
986 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
987 RTE_CRYPTODEV_FF_IN_PLACE_SGL |
988 RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
989 RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT |
990 RTE_CRYPTODEV_FF_SYM_SESSIONLESS;
993 /* Feature not supported. Abort */
994 CPT_LOG_ERR("VF type not supported by %s", dev_name);
999 /* Start off timer for mailbox interrupts */
1000 otx_cpt_periodic_alarm_start(cptvf);
1002 c_dev->dev_ops = &cptvf_ops;
1004 if (c_dev->feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO) {
1005 c_dev->enqueue_burst = otx_cpt_enqueue_sym;
1006 c_dev->dequeue_burst = otx_cpt_dequeue_sym;
1008 c_dev->enqueue_burst = otx_cpt_enqueue_asym;
1009 c_dev->dequeue_burst = otx_cpt_dequeue_asym;
1012 /* Save dev private data */
1013 c_dev->data->dev_private = cptvf;
1018 otx_cpt_deinit_device(cptvf);
1022 /* Free private data allocated */