malloc: fix documentation of realloc function
[dpdk.git] / drivers / crypto / octeontx / otx_cryptodev_ops.c
index 90d0c14..0f9f2a2 100644 (file)
@@ -11,7 +11,6 @@
 #include "cpt_pmd_logs.h"
 #include "cpt_pmd_ops_helper.h"
 #include "cpt_ucode.h"
-#include "cpt_request_mgr.h"
 
 #include "otx_cryptodev.h"
 #include "otx_cryptodev_capabilities.h"
@@ -186,8 +185,7 @@ static int
 otx_cpt_que_pair_setup(struct rte_cryptodev *dev,
                       uint16_t que_pair_id,
                       const struct rte_cryptodev_qp_conf *qp_conf,
-                      int socket_id __rte_unused,
-                      struct rte_mempool *session_pool __rte_unused)
+                      int socket_id __rte_unused)
 {
        void *cptvf = dev->data->dev_private;
        struct cpt_instance *instance = NULL;
@@ -223,6 +221,8 @@ otx_cpt_que_pair_setup(struct rte_cryptodev *dev,
        }
 
        instance->queue_id = que_pair_id;
+       instance->sess_mp = qp_conf->mp_session;
+       instance->sess_mp_priv = qp_conf->mp_session_private;
        dev->data->queue_pairs[que_pair_id] = instance;
 
        return 0;
@@ -341,11 +341,160 @@ otx_cpt_session_clear(struct rte_cryptodev *dev,
        }
 }
 
+static __rte_always_inline int32_t __hot
+otx_cpt_request_enqueue(struct cpt_instance *instance,
+                       struct pending_queue *pqueue,
+                       void *req)
+{
+       struct cpt_request_info *user_req = (struct cpt_request_info *)req;
+
+       if (unlikely(pqueue->pending_count >= DEFAULT_CMD_QLEN))
+               return -EAGAIN;
+
+       fill_cpt_inst(instance, req);
+
+       CPT_LOG_DP_DEBUG("req: %p op: %p ", req, user_req->op);
+
+       /* Fill time_out cycles */
+       user_req->time_out = rte_get_timer_cycles() +
+                       DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
+       user_req->extra_time = 0;
+
+       /* Default mode of software queue */
+       mark_cpt_inst(instance);
+
+       pqueue->rid_queue[pqueue->enq_tail].rid = (uintptr_t)user_req;
+
+       /* We will use soft queue length here to limit requests */
+       MOD_INC(pqueue->enq_tail, DEFAULT_CMD_QLEN);
+       pqueue->pending_count += 1;
+
+       CPT_LOG_DP_DEBUG("Submitted NB cmd with request: %p "
+                        "op: %p", user_req, user_req->op);
+       return 0;
+}
+
+static __rte_always_inline int __hot
+otx_cpt_enq_single_sym(struct cpt_instance *instance,
+                      struct rte_crypto_op *op,
+                      struct pending_queue *pqueue)
+{
+       struct cpt_sess_misc *sess;
+       struct rte_crypto_sym_op *sym_op = op->sym;
+       void *prep_req, *mdata = NULL;
+       int ret = 0;
+       uint64_t cpt_op;
+       struct cpt_vf *cptvf = (struct cpt_vf *)instance;
+
+       sess = (struct cpt_sess_misc *)
+                       get_sym_session_private_data(sym_op->session,
+                                                    otx_cryptodev_driver_id);
+
+       cpt_op = sess->cpt_op;
+
+       if (likely(cpt_op & CPT_OP_CIPHER_MASK))
+               ret = fill_fc_params(op, sess, &cptvf->meta_info, &mdata,
+                                    &prep_req);
+       else
+               ret = fill_digest_params(op, sess, &cptvf->meta_info,
+                                        &mdata, &prep_req);
+
+       if (unlikely(ret)) {
+               CPT_LOG_DP_ERR("prep cryto req : op %p, cpt_op 0x%x "
+                              "ret 0x%x", op, (unsigned int)cpt_op, ret);
+               return ret;
+       }
+
+       /* Enqueue prepared instruction to h/w */
+       ret = otx_cpt_request_enqueue(instance, pqueue, prep_req);
+
+       if (unlikely(ret)) {
+               /* Buffer allocated for request preparation need to be freed */
+               free_op_meta(mdata, cptvf->meta_info.cptvf_meta_pool);
+               return ret;
+       }
+
+       return 0;
+}
+
+static __rte_always_inline int __hot
+otx_cpt_enq_single_sym_sessless(struct cpt_instance *instance,
+                               struct rte_crypto_op *op,
+                               struct pending_queue *pqueue)
+{
+       struct cpt_sess_misc *sess;
+       struct rte_crypto_sym_op *sym_op = op->sym;
+       int ret;
+       void *sess_t = NULL;
+       void *sess_private_data_t = NULL;
+
+       /* Create tmp session */
+
+       if (rte_mempool_get(instance->sess_mp, (void **)&sess_t)) {
+               ret = -ENOMEM;
+               goto exit;
+       }
+
+       if (rte_mempool_get(instance->sess_mp_priv,
+                       (void **)&sess_private_data_t)) {
+               ret = -ENOMEM;
+               goto free_sess;
+       }
+
+       sess = (struct cpt_sess_misc *)sess_private_data_t;
+
+       sess->ctx_dma_addr = rte_mempool_virt2iova(sess) +
+                       sizeof(struct cpt_sess_misc);
+
+       ret = instance_session_cfg(sym_op->xform, (void *)sess);
+       if (unlikely(ret)) {
+               ret = -EINVAL;
+               goto free_sess_priv;
+       }
+
+       /* Save tmp session in op */
+
+       sym_op->session = (struct rte_cryptodev_sym_session *)sess_t;
+       set_sym_session_private_data(sym_op->session, otx_cryptodev_driver_id,
+                                    sess_private_data_t);
+
+       /* Enqueue op with the tmp session set */
+       ret = otx_cpt_enq_single_sym(instance, op, pqueue);
+
+       if (unlikely(ret))
+               goto free_sess_priv;
+
+       return 0;
+
+free_sess_priv:
+       rte_mempool_put(instance->sess_mp_priv, sess_private_data_t);
+free_sess:
+       rte_mempool_put(instance->sess_mp, sess_t);
+exit:
+       return ret;
+}
+
+static __rte_always_inline int __hot
+otx_cpt_enq_single(struct cpt_instance *inst,
+                  struct rte_crypto_op *op,
+                  struct pending_queue *pqueue)
+{
+       /* Check for the type */
+
+       if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
+               return otx_cpt_enq_single_sym(inst, op, pqueue);
+       else if (unlikely(op->sess_type == RTE_CRYPTO_OP_SESSIONLESS))
+               return otx_cpt_enq_single_sym_sessless(inst, op, pqueue);
+
+       /* Should not reach here */
+       return -EINVAL;
+}
+
 static uint16_t
 otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 {
        struct cpt_instance *instance = (struct cpt_instance *)qptr;
-       uint16_t count = 0;
+       uint16_t count;
        int ret;
        struct cpt_vf *cptvf = (struct cpt_vf *)instance;
        struct pending_queue *pqueue = &cptvf->pqueue;
@@ -356,8 +505,10 @@ otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 
        count = 0;
        while (likely(count < nb_ops)) {
-               ret = cpt_pmd_crypto_operation(instance, ops[count], pqueue,
-                                               otx_cryptodev_driver_id);
+
+               /* Enqueue single op */
+               ret = otx_cpt_enq_single(instance, ops[count], pqueue);
+
                if (unlikely(ret))
                        break;
                count++;
@@ -366,48 +517,110 @@ otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
        return count;
 }
 
+static __rte_always_inline void
+otx_cpt_dequeue_post_process(struct rte_crypto_op *cop, uintptr_t *rsp)
+{
+       /* H/w has returned success */
+       cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+
+       /* Perform further post processing */
+
+       if (cop->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
+               /* Check if auth verify need to be completed */
+               if (unlikely(rsp[2]))
+                       compl_auth_verify(cop, (uint8_t *)rsp[2], rsp[3]);
+               return;
+       }
+}
+
 static uint16_t
 otx_cpt_pkt_dequeue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
 {
        struct cpt_instance *instance = (struct cpt_instance *)qptr;
+       struct cpt_request_info *user_req;
        struct cpt_vf *cptvf = (struct cpt_vf *)instance;
+       struct rid *rid_e;
+       uint8_t cc[nb_ops];
+       int i, count, pcount;
+       uint8_t ret;
+       int nb_completed;
        struct pending_queue *pqueue = &cptvf->pqueue;
-       uint16_t nb_completed, i = 0;
-       uint8_t compcode[nb_ops];
+       struct rte_crypto_op *cop;
+       void *metabuf;
+       uintptr_t *rsp;
+
+       pcount = pqueue->pending_count;
+       count = (nb_ops > pcount) ? pcount : nb_ops;
+
+       for (i = 0; i < count; i++) {
+               rid_e = &pqueue->rid_queue[pqueue->deq_head];
+               user_req = (struct cpt_request_info *)(rid_e->rid);
+
+               if (likely((i+1) < count))
+                       rte_prefetch_non_temporal((void *)rid_e[1].rid);
+
+               ret = check_nb_command_id(user_req, instance);
+
+               if (unlikely(ret == ERR_REQ_PENDING)) {
+                       /* Stop checking for completions */
+                       break;
+               }
+
+               /* Return completion code and op handle */
+               cc[i] = ret;
+               ops[i] = user_req->op;
+
+               CPT_LOG_DP_DEBUG("Request %p Op %p completed with code %d",
+                                user_req, user_req->op, ret);
 
-       nb_completed = cpt_dequeue_burst(instance, nb_ops,
-                                        (void **)ops, compcode, pqueue);
-       while (likely(i < nb_completed)) {
-               struct rte_crypto_op *cop;
-               void *metabuf;
-               uintptr_t *rsp;
-               uint8_t status;
+               MOD_INC(pqueue->deq_head, DEFAULT_CMD_QLEN);
+               pqueue->pending_count -= 1;
+       }
+
+       nb_completed = i;
+
+       for (i = 0; i < nb_completed; i++) {
 
                rsp = (void *)ops[i];
-               status = compcode[i];
+
                if (likely((i + 1) < nb_completed))
                        rte_prefetch0(ops[i+1]);
+
                metabuf = (void *)rsp[0];
                cop = (void *)rsp[1];
 
                ops[i] = cop;
 
-               if (likely(status == 0)) {
-                       if (likely(!rsp[2]))
-                               cop->status =
-                                       RTE_CRYPTO_OP_STATUS_SUCCESS;
-                       else
-                               compl_auth_verify(cop, (uint8_t *)rsp[2],
-                                                 rsp[3]);
-               } else if (status == ERR_GC_ICV_MISCOMPARE) {
-                       /*auth data mismatch */
+               /* Check completion code */
+
+               if (likely(cc[i] == 0)) {
+                       /* H/w success pkt. Post process */
+                       otx_cpt_dequeue_post_process(cop, rsp);
+               } else if (cc[i] == ERR_GC_ICV_MISCOMPARE) {
+                       /* auth data mismatch */
                        cop->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
                } else {
+                       /* Error */
                        cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
                }
+
+               if (unlikely(cop->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) {
+                       void *sess_private_data_t =
+                               get_sym_session_private_data(cop->sym->session,
+                                               otx_cryptodev_driver_id);
+                       memset(sess_private_data_t, 0,
+                                       cpt_get_session_size());
+                       memset(cop->sym->session, 0,
+                       rte_cryptodev_sym_get_existing_header_session_size(
+                                       cop->sym->session));
+                       rte_mempool_put(instance->sess_mp_priv,
+                                       sess_private_data_t);
+                       rte_mempool_put(instance->sess_mp, cop->sym->session);
+                       cop->sym->session = NULL;
+               }
                free_op_meta(metabuf, cptvf->meta_info.cptvf_meta_pool);
-               i++;
        }
+
        return nb_completed;
 }