build: remove redundant config include
[dpdk.git] / drivers / crypto / ccp / rte_ccp_pmd.c
index 8afdb91..f6ea008 100644 (file)
@@ -2,16 +2,17 @@
  *   Copyright(c) 2018 Advanced Micro Devices, Inc. All rights reserved.
  */
 
+#include <rte_string_fns.h>
 #include <rte_bus_pci.h>
 #include <rte_bus_vdev.h>
 #include <rte_common.h>
-#include <rte_config.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
 #include <rte_pci.h>
 #include <rte_dev.h>
 #include <rte_malloc.h>
 
+#include "ccp_crypto.h"
 #include "ccp_dev.h"
 #include "ccp_pmd_private.h"
 
  */
 static unsigned int ccp_pmd_init_done;
 uint8_t ccp_cryptodev_driver_id;
+uint8_t cryptodev_cnt;
+
+struct ccp_pmd_init_params {
+       struct rte_cryptodev_pmd_init_params def_p;
+       bool auth_opt;
+};
+
+#define CCP_CRYPTODEV_PARAM_NAME               ("name")
+#define CCP_CRYPTODEV_PARAM_SOCKET_ID          ("socket_id")
+#define CCP_CRYPTODEV_PARAM_MAX_NB_QP          ("max_nb_queue_pairs")
+#define CCP_CRYPTODEV_PARAM_AUTH_OPT           ("ccp_auth_opt")
+
+const char *ccp_pmd_valid_params[] = {
+       CCP_CRYPTODEV_PARAM_NAME,
+       CCP_CRYPTODEV_PARAM_SOCKET_ID,
+       CCP_CRYPTODEV_PARAM_MAX_NB_QP,
+       CCP_CRYPTODEV_PARAM_AUTH_OPT,
+};
+
+/** ccp pmd auth option */
+enum ccp_pmd_auth_opt {
+       CCP_PMD_AUTH_OPT_CCP = 0,
+       CCP_PMD_AUTH_OPT_CPU,
+};
+
+/** parse integer from integer argument */
+static int
+parse_integer_arg(const char *key __rte_unused,
+                 const char *value, void *extra_args)
+{
+       int *i = (int *) extra_args;
+
+       *i = atoi(value);
+       if (*i < 0) {
+               CCP_LOG_ERR("Argument has to be positive.\n");
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+/** parse name argument */
+static int
+parse_name_arg(const char *key __rte_unused,
+              const char *value, void *extra_args)
+{
+       struct rte_cryptodev_pmd_init_params *params = extra_args;
+
+       if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
+               CCP_LOG_ERR("Invalid name %s, should be less than "
+                           "%u bytes.\n", value,
+                           RTE_CRYPTODEV_NAME_MAX_LEN - 1);
+               return -EINVAL;
+       }
+
+       strncpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN);
+
+       return 0;
+}
+
+/** parse authentication operation option */
+static int
+parse_auth_opt_arg(const char *key __rte_unused,
+                  const char *value, void *extra_args)
+{
+       struct ccp_pmd_init_params *params = extra_args;
+       int i;
+
+       i = atoi(value);
+       if (i < CCP_PMD_AUTH_OPT_CCP || i > CCP_PMD_AUTH_OPT_CPU) {
+               CCP_LOG_ERR("Invalid ccp pmd auth option. "
+                           "0->auth on CCP(default), "
+                           "1->auth on CPU\n");
+               return -EINVAL;
+       }
+       params->auth_opt = i;
+       return 0;
+}
+
+static int
+ccp_pmd_parse_input_args(struct ccp_pmd_init_params *params,
+                        const char *input_args)
+{
+       struct rte_kvargs *kvlist = NULL;
+       int ret = 0;
+
+       if (params == NULL)
+               return -EINVAL;
+
+       if (input_args) {
+               kvlist = rte_kvargs_parse(input_args,
+                                         ccp_pmd_valid_params);
+               if (kvlist == NULL)
+                       return -1;
+
+               ret = rte_kvargs_process(kvlist,
+                                        CCP_CRYPTODEV_PARAM_MAX_NB_QP,
+                                        &parse_integer_arg,
+                                        &params->def_p.max_nb_queue_pairs);
+               if (ret < 0)
+                       goto free_kvlist;
+
+               ret = rte_kvargs_process(kvlist,
+                                        CCP_CRYPTODEV_PARAM_SOCKET_ID,
+                                        &parse_integer_arg,
+                                        &params->def_p.socket_id);
+               if (ret < 0)
+                       goto free_kvlist;
+
+               ret = rte_kvargs_process(kvlist,
+                                        CCP_CRYPTODEV_PARAM_NAME,
+                                        &parse_name_arg,
+                                        &params->def_p);
+               if (ret < 0)
+                       goto free_kvlist;
+
+               ret = rte_kvargs_process(kvlist,
+                                        CCP_CRYPTODEV_PARAM_AUTH_OPT,
+                                        &parse_auth_opt_arg,
+                                        params);
+               if (ret < 0)
+                       goto free_kvlist;
+
+       }
+
+free_kvlist:
+       rte_kvargs_free(kvlist);
+       return ret;
+}
+
+static struct ccp_session *
+get_ccp_session(struct ccp_qp *qp, struct rte_crypto_op *op)
+{
+       struct ccp_session *sess = NULL;
+
+       if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+               if (unlikely(op->sym->session == NULL))
+                       return NULL;
+
+               sess = (struct ccp_session *)
+                       get_sym_session_private_data(
+                               op->sym->session,
+                               ccp_cryptodev_driver_id);
+       } else if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+               void *_sess;
+               void *_sess_private_data = NULL;
+               struct ccp_private *internals;
+
+               if (rte_mempool_get(qp->sess_mp, &_sess))
+                       return NULL;
+               if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
+                       return NULL;
+
+               sess = (struct ccp_session *)_sess_private_data;
+
+               internals = (struct ccp_private *)qp->dev->data->dev_private;
+               if (unlikely(ccp_set_session_parameters(sess, op->sym->xform,
+                                                       internals) != 0)) {
+                       rte_mempool_put(qp->sess_mp, _sess);
+                       rte_mempool_put(qp->sess_mp_priv, _sess_private_data);
+                       sess = NULL;
+               }
+               op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
+               set_sym_session_private_data(op->sym->session,
+                                        ccp_cryptodev_driver_id,
+                                        _sess_private_data);
+       }
+
+       return sess;
+}
 
 static uint16_t
-ccp_pmd_enqueue_burst(void *queue_pair __rte_unused,
-                     struct rte_crypto_op **ops __rte_unused,
-                     uint16_t nb_ops __rte_unused)
+ccp_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
+                     uint16_t nb_ops)
 {
-       uint16_t enq_cnt = 0;
+       struct ccp_session *sess = NULL;
+       struct ccp_qp *qp = queue_pair;
+       struct ccp_queue *cmd_q;
+       struct rte_cryptodev *dev = qp->dev;
+       uint16_t i, enq_cnt = 0, slots_req = 0;
+       uint16_t tmp_ops = nb_ops, b_idx, cur_ops = 0;
+
+       if (nb_ops == 0)
+               return 0;
+
+       if (unlikely(rte_ring_full(qp->processed_pkts) != 0))
+               return 0;
+       if (tmp_ops >= cryptodev_cnt)
+               cur_ops = nb_ops / cryptodev_cnt + (nb_ops)%cryptodev_cnt;
+       else
+               cur_ops = tmp_ops;
+       while (tmp_ops) {
+               b_idx = nb_ops - tmp_ops;
+               slots_req = 0;
+               if (cur_ops <= tmp_ops) {
+                       tmp_ops -= cur_ops;
+               } else {
+                       cur_ops = tmp_ops;
+                       tmp_ops = 0;
+               }
+               for (i = 0; i < cur_ops; i++) {
+                       sess = get_ccp_session(qp, ops[i + b_idx]);
+                       if (unlikely(sess == NULL) && (i == 0)) {
+                               qp->qp_stats.enqueue_err_count++;
+                               return 0;
+                       } else if (sess == NULL) {
+                               cur_ops = i;
+                               break;
+                       }
+                       slots_req += ccp_compute_slot_count(sess);
+               }
+
+               cmd_q = ccp_allot_queue(dev, slots_req);
+               if (unlikely(cmd_q == NULL))
+                       return 0;
+               enq_cnt += process_ops_to_enqueue(qp, ops, cmd_q, cur_ops,
+                               nb_ops, slots_req, b_idx);
+               i++;
+       }
 
+       qp->qp_stats.enqueued_count += enq_cnt;
        return enq_cnt;
 }
 
 static uint16_t
-ccp_pmd_dequeue_burst(void *queue_pair __rte_unused,
-                     struct rte_crypto_op **ops __rte_unused,
-                     uint16_t nb_ops __rte_unused)
+ccp_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
+               uint16_t nb_ops)
 {
-       uint16_t nb_dequeued = 0;
+       struct ccp_qp *qp = queue_pair;
+       uint16_t nb_dequeued = 0, i, total_nb_ops;
+
+       nb_dequeued = process_ops_to_dequeue(qp, ops, nb_ops, &total_nb_ops);
+
+       if (total_nb_ops) {
+               while (nb_dequeued != total_nb_ops) {
+                       nb_dequeued = process_ops_to_dequeue(qp,
+                                       ops, nb_ops, &total_nb_ops);
+               }
+       }
+
+       /* Free session if a session-less crypto op */
+       for (i = 0; i < nb_dequeued; i++)
+               if (unlikely(ops[i]->sess_type ==
+                            RTE_CRYPTO_OP_SESSIONLESS)) {
+                       struct ccp_session *sess = (struct ccp_session *)
+                                       get_sym_session_private_data(
+                                               ops[i]->sym->session,
+                                               ccp_cryptodev_driver_id);
+
+                       rte_mempool_put(qp->sess_mp_priv,
+                                       sess);
+                       rte_mempool_put(qp->sess_mp,
+                                       ops[i]->sym->session);
+                       ops[i]->sym->session = NULL;
+               }
+       qp->qp_stats.dequeued_count += nb_dequeued;
 
        return nb_dequeued;
 }
@@ -51,6 +291,9 @@ static struct rte_pci_id ccp_pci_id[] = {
        {
                RTE_PCI_DEVICE(0x1022, 0x1468), /* AMD CCP-5b */
        },
+       {
+               RTE_PCI_DEVICE(0x1022, 0x15df), /* AMD CCP RV */
+       },
        {.device_id = 0},
 };
 
@@ -75,19 +318,18 @@ cryptodev_ccp_remove(struct rte_vdev_device *dev)
 static int
 cryptodev_ccp_create(const char *name,
                     struct rte_vdev_device *vdev,
-                    struct rte_cryptodev_pmd_init_params *init_params)
+                    struct ccp_pmd_init_params *init_params)
 {
        struct rte_cryptodev *dev;
        struct ccp_private *internals;
-       uint8_t cryptodev_cnt = 0;
 
-       if (init_params->name[0] == '\0')
-               snprintf(init_params->name, sizeof(init_params->name),
-                               "%s", name);
+       if (init_params->def_p.name[0] == '\0')
+               strlcpy(init_params->def_p.name, name,
+                       sizeof(init_params->def_p.name));
 
-       dev = rte_cryptodev_pmd_create(init_params->name,
+       dev = rte_cryptodev_pmd_create(init_params->def_p.name,
                                       &vdev->device,
-                                      init_params);
+                                      &init_params->def_p);
        if (dev == NULL) {
                CCP_LOG_ERR("failed to create cryptodev vdev");
                goto init_error;
@@ -114,15 +356,15 @@ cryptodev_ccp_create(const char *name,
 
        internals = dev->data->dev_private;
 
-       internals->max_nb_qpairs = init_params->max_nb_queue_pairs;
-       internals->max_nb_sessions = init_params->max_nb_sessions;
+       internals->max_nb_qpairs = init_params->def_p.max_nb_queue_pairs;
+       internals->auth_opt = init_params->auth_opt;
        internals->crypto_num_dev = cryptodev_cnt;
 
        return 0;
 
 init_error:
        CCP_LOG_ERR("driver %s: %s() failed",
-                   init_params->name, __func__);
+                   init_params->def_p.name, __func__);
        cryptodev_ccp_remove(vdev);
 
        return -EFAULT;
@@ -134,12 +376,14 @@ cryptodev_ccp_probe(struct rte_vdev_device *vdev)
 {
        int rc = 0;
        const char *name;
-       struct rte_cryptodev_pmd_init_params init_params = {
-               "",
-               sizeof(struct ccp_private),
-               rte_socket_id(),
-               CCP_PMD_MAX_QUEUE_PAIRS,
-               RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_SESSIONS
+       struct ccp_pmd_init_params init_params = {
+               .def_p = {
+                       "",
+                       sizeof(struct ccp_private),
+                       rte_socket_id(),
+                       CCP_PMD_MAX_QUEUE_PAIRS
+               },
+               .auth_opt = CCP_PMD_AUTH_OPT_CCP,
        };
        const char *input_args;
 
@@ -152,15 +396,15 @@ cryptodev_ccp_probe(struct rte_vdev_device *vdev)
                return -EINVAL;
 
        input_args = rte_vdev_device_args(vdev);
-       rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
-       init_params.max_nb_queue_pairs = CCP_PMD_MAX_QUEUE_PAIRS;
+       ccp_pmd_parse_input_args(&init_params, input_args);
+       init_params.def_p.max_nb_queue_pairs = CCP_PMD_MAX_QUEUE_PAIRS;
 
        RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
-                       init_params.socket_id);
+               init_params.def_p.socket_id);
        RTE_LOG(INFO, PMD, "Max number of queue pairs = %d\n",
-                       init_params.max_nb_queue_pairs);
-       RTE_LOG(INFO, PMD, "Max number of sessions = %d\n",
-                       init_params.max_nb_sessions);
+               init_params.def_p.max_nb_queue_pairs);
+       RTE_LOG(INFO, PMD, "Authentication offload to %s\n",
+               ((init_params.auth_opt == 0) ? "CCP" : "CPU"));
 
        rc = cryptodev_ccp_create(name, vdev, &init_params);
        if (rc)
@@ -178,6 +422,8 @@ static struct cryptodev_driver ccp_crypto_drv;
 
 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_CCP_PMD, cryptodev_ccp_pmd_drv);
 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_CCP_PMD,
-       "max_nb_queue_pairs=<int> max_nb_sessions=<int> socket_id=<int>");
+       "max_nb_queue_pairs=<int> "
+       "socket_id=<int> "
+       "ccp_auth_opt=<int>");
 RTE_PMD_REGISTER_CRYPTO_DRIVER(ccp_crypto_drv, cryptodev_ccp_pmd_drv.driver,
                               ccp_cryptodev_driver_id);