ring: add zero copy API
[dpdk.git] / lib / librte_regexdev / rte_regexdev.c
index 3f112ff..04ab713 100644 (file)
@@ -15,7 +15,7 @@
 #include "rte_regexdev_driver.h"
 
 static const char *MZ_RTE_REGEXDEV_DATA = "rte_regexdev_data";
-static struct rte_regexdev regex_devices[RTE_MAX_REGEXDEV_DEVS];
+struct rte_regexdev rte_regex_devices[RTE_MAX_REGEXDEV_DEVS];
 /* Shared memory between primary and secondary processes. */
 static struct {
        struct rte_regexdev_data data[RTE_MAX_REGEXDEV_DEVS];
@@ -29,7 +29,7 @@ regexdev_find_free_dev(void)
        uint16_t i;
 
        for (i = 0; i < RTE_MAX_REGEXDEV_DEVS; i++) {
-               if (regex_devices[i].state == RTE_REGEXDEV_UNUSED)
+               if (rte_regex_devices[i].state == RTE_REGEXDEV_UNUSED)
                        return i;
        }
        return RTE_MAX_REGEXDEV_DEVS;
@@ -41,9 +41,9 @@ regexdev_allocated(const char *name)
        uint16_t i;
 
        for (i = 0; i < RTE_MAX_REGEXDEV_DEVS; i++) {
-               if (regex_devices[i].state != RTE_REGEXDEV_UNUSED)
-                       if (!strcmp(name, regex_devices[i].data->dev_name))
-                               return &regex_devices[i];
+               if (rte_regex_devices[i].state != RTE_REGEXDEV_UNUSED)
+                       if (!strcmp(name, rte_regex_devices[i].data->dev_name))
+                               return &rte_regex_devices[i];
        }
        return NULL;
 }
@@ -117,7 +117,7 @@ rte_regexdev_register(const char *name)
                return NULL;
        }
 
-       dev = &regex_devices[dev_id];
+       dev = &rte_regex_devices[dev_id];
        dev->state = RTE_REGEXDEV_REGISTERED;
        if (dev->data == NULL)
                dev->data = &rte_regexdev_shared_data->data[dev_id];
@@ -141,3 +141,428 @@ rte_regexdev_get_device_by_name(const char *name)
                return NULL;
        return regexdev_allocated(name);
 }
+
+uint8_t
+rte_regexdev_count(void)
+{
+       int i;
+       int count = 0;
+
+       for (i = 0; i < RTE_MAX_REGEXDEV_DEVS; i++) {
+               if (rte_regex_devices[i].state != RTE_REGEXDEV_UNUSED)
+                       count++;
+       }
+       return count;
+}
+
+int
+rte_regexdev_get_dev_id(const char *name)
+{
+       int i;
+       int id = -EINVAL;
+
+       if (name == NULL)
+               return -EINVAL;
+       for (i = 0; i < RTE_MAX_REGEXDEV_DEVS; i++) {
+               if (rte_regex_devices[i].state != RTE_REGEXDEV_UNUSED)
+                       if (strcmp(name, rte_regex_devices[i].data->dev_name)) {
+                               id = rte_regex_devices[i].data->dev_id;
+                               break;
+                       }
+       }
+       return id;
+}
+
+int
+rte_regexdev_is_valid_dev(uint16_t dev_id)
+{
+       if (dev_id >= RTE_MAX_REGEXDEV_DEVS ||
+           rte_regex_devices[dev_id].state != RTE_REGEXDEV_READY)
+               return 0;
+       return 1;
+}
+
+static int
+regexdev_info_get(uint8_t dev_id, struct rte_regexdev_info *dev_info)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       if (dev_info == NULL)
+               return -EINVAL;
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_info_get, -ENOTSUP);
+       return (*dev->dev_ops->dev_info_get)(dev, dev_info);
+
+}
+
+int
+rte_regexdev_info_get(uint8_t dev_id, struct rte_regexdev_info *dev_info)
+{
+       return regexdev_info_get(dev_id, dev_info);
+}
+
+int
+rte_regexdev_configure(uint8_t dev_id, const struct rte_regexdev_config *cfg)
+{
+       struct rte_regexdev *dev;
+       struct rte_regexdev_info dev_info;
+       int ret;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       if (cfg == NULL)
+               return -EINVAL;
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
+       if (dev->data->dev_started) {
+               RTE_REGEXDEV_LOG
+                       (ERR, "Dev %u must be stopped to allow configuration\n",
+                        dev_id);
+               return -EBUSY;
+       }
+       ret = regexdev_info_get(dev_id, &dev_info);
+       if (ret < 0)
+               return ret;
+       if ((cfg->dev_cfg_flags & RTE_REGEXDEV_CFG_CROSS_BUFFER_SCAN_F) &&
+           !(dev_info.regexdev_capa & RTE_REGEXDEV_SUPP_CROSS_BUFFER_F)) {
+               RTE_REGEXDEV_LOG(ERR,
+                                "Dev %u doesn't support cross buffer scan\n",
+                                dev_id);
+               return -EINVAL;
+       }
+       if ((cfg->dev_cfg_flags & RTE_REGEXDEV_CFG_MATCH_AS_END_F) &&
+           !(dev_info.regexdev_capa & RTE_REGEXDEV_SUPP_MATCH_AS_END_F)) {
+               RTE_REGEXDEV_LOG(ERR,
+                                "Dev %u doesn't support match as end\n",
+                                dev_id);
+               return -EINVAL;
+       }
+       if ((cfg->dev_cfg_flags & RTE_REGEXDEV_CFG_MATCH_ALL_F) &&
+           !(dev_info.regexdev_capa & RTE_REGEXDEV_SUPP_MATCH_ALL_F)) {
+               RTE_REGEXDEV_LOG(ERR,
+                                "Dev %u doesn't support match all\n",
+                                dev_id);
+               return -EINVAL;
+       }
+       if (cfg->nb_groups == 0) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %u num of groups must be > 0\n",
+                                dev_id);
+               return -EINVAL;
+       }
+       if (cfg->nb_groups > dev_info.max_groups) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %u num of groups %d > %d\n",
+                                dev_id, cfg->nb_groups, dev_info.max_groups);
+               return -EINVAL;
+       }
+       if (cfg->nb_max_matches == 0) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %u num of matches must be > 0\n",
+                                dev_id);
+               return -EINVAL;
+       }
+       if (cfg->nb_max_matches > dev_info.max_matches) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %u num of matches %d > %d\n",
+                                dev_id, cfg->nb_max_matches,
+                                dev_info.max_matches);
+               return -EINVAL;
+       }
+       if (cfg->nb_queue_pairs == 0) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %u num of queues must be > 0\n",
+                                dev_id);
+               return -EINVAL;
+       }
+       if (cfg->nb_queue_pairs > dev_info.max_queue_pairs) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %u num of queues %d > %d\n",
+                                dev_id, cfg->nb_queue_pairs,
+                                dev_info.max_queue_pairs);
+               return -EINVAL;
+       }
+       if (cfg->nb_rules_per_group == 0) {
+               RTE_REGEXDEV_LOG(ERR,
+                                "Dev %u num of rules per group must be > 0\n",
+                                dev_id);
+               return -EINVAL;
+       }
+       if (cfg->nb_rules_per_group > dev_info.max_rules_per_group) {
+               RTE_REGEXDEV_LOG(ERR,
+                                "Dev %u num of rules per group %d > %d\n",
+                                dev_id, cfg->nb_rules_per_group,
+                                dev_info.max_rules_per_group);
+               return -EINVAL;
+       }
+       ret = (*dev->dev_ops->dev_configure)(dev, cfg);
+       if (ret == 0)
+               dev->data->dev_conf = *cfg;
+       return ret;
+}
+
+int
+rte_regexdev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
+                          const struct rte_regexdev_qp_conf *qp_conf)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_qp_setup, -ENOTSUP);
+       if (dev->data->dev_started) {
+               RTE_REGEXDEV_LOG
+                       (ERR, "Dev %u must be stopped to allow configuration\n",
+                        dev_id);
+               return -EBUSY;
+       }
+       if (queue_pair_id >= dev->data->dev_conf.nb_queue_pairs) {
+               RTE_REGEXDEV_LOG(ERR,
+                                "Dev %u invalid queue %d > %d\n",
+                                dev_id, queue_pair_id,
+                                dev->data->dev_conf.nb_queue_pairs);
+               return -EINVAL;
+       }
+       if (dev->data->dev_started) {
+               RTE_REGEXDEV_LOG
+                       (ERR, "Dev %u must be stopped to allow configuration\n",
+                        dev_id);
+               return -EBUSY;
+       }
+       return (*dev->dev_ops->dev_qp_setup)(dev, queue_pair_id, qp_conf);
+}
+
+int
+rte_regexdev_start(uint8_t dev_id)
+{
+       struct rte_regexdev *dev;
+       int ret;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
+       ret = (*dev->dev_ops->dev_start)(dev);
+       if (ret == 0)
+               dev->data->dev_started = 1;
+       return ret;
+}
+
+int
+rte_regexdev_stop(uint8_t dev_id)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_stop, -ENOTSUP);
+       (*dev->dev_ops->dev_stop)(dev);
+       dev->data->dev_started = 0;
+       return 0;
+}
+
+int
+rte_regexdev_close(uint8_t dev_id)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
+       (*dev->dev_ops->dev_close)(dev);
+       dev->data->dev_started = 0;
+       dev->state = RTE_REGEXDEV_UNUSED;
+       return 0;
+}
+
+int
+rte_regexdev_attr_get(uint8_t dev_id, enum rte_regexdev_attr_id attr_id,
+                     void *attr_value)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_attr_get, -ENOTSUP);
+       if (attr_value == NULL) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %d attribute value can't be NULL\n",
+                                dev_id);
+               return -EINVAL;
+       }
+       return (*dev->dev_ops->dev_attr_get)(dev, attr_id, attr_value);
+}
+
+int
+rte_regexdev_attr_set(uint8_t dev_id, enum rte_regexdev_attr_id attr_id,
+                     const void *attr_value)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_attr_set, -ENOTSUP);
+       if (attr_value == NULL) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %d attribute value can't be NULL\n",
+                                dev_id);
+               return -EINVAL;
+       }
+       return (*dev->dev_ops->dev_attr_set)(dev, attr_id, attr_value);
+}
+
+int
+rte_regexdev_rule_db_update(uint8_t dev_id,
+                           const struct rte_regexdev_rule *rules,
+                           uint32_t nb_rules)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_rule_db_update, -ENOTSUP);
+       if (rules == NULL) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %d rules can't be NULL\n",
+                                dev_id);
+               return -EINVAL;
+       }
+       return (*dev->dev_ops->dev_rule_db_update)(dev, rules, nb_rules);
+}
+
+int
+rte_regexdev_rule_db_compile_activate(uint8_t dev_id)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_rule_db_compile_activate,
+                               -ENOTSUP);
+       return (*dev->dev_ops->dev_rule_db_compile_activate)(dev);
+}
+
+int
+rte_regexdev_rule_db_import(uint8_t dev_id, const char *rule_db,
+                           uint32_t rule_db_len)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_db_import,
+                               -ENOTSUP);
+       if (rule_db == NULL) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %d rules can't be NULL\n",
+                                dev_id);
+               return -EINVAL;
+       }
+       return (*dev->dev_ops->dev_db_import)(dev, rule_db, rule_db_len);
+}
+
+int
+rte_regexdev_rule_db_export(uint8_t dev_id, char *rule_db)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_db_export,
+                               -ENOTSUP);
+       return (*dev->dev_ops->dev_db_export)(dev, rule_db);
+}
+
+int
+rte_regexdev_xstats_names_get(uint8_t dev_id,
+                             struct rte_regexdev_xstats_map *xstats_map)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_xstats_names_get,
+                               -ENOTSUP);
+       if (xstats_map == NULL) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %d xstats map can't be NULL\n",
+                                dev_id);
+               return -EINVAL;
+       }
+       return (*dev->dev_ops->dev_xstats_names_get)(dev, xstats_map);
+}
+
+int
+rte_regexdev_xstats_get(uint8_t dev_id, const uint16_t *ids,
+                       uint64_t *values, uint16_t n)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_xstats_get, -ENOTSUP);
+       if (ids == NULL) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %d ids can't be NULL\n", dev_id);
+               return -EINVAL;
+       }
+       if (values == NULL) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %d values can't be NULL\n", dev_id);
+               return -EINVAL;
+       }
+       return (*dev->dev_ops->dev_xstats_get)(dev, ids, values, n);
+}
+
+int
+rte_regexdev_xstats_by_name_get(uint8_t dev_id, const char *name,
+                               uint16_t *id, uint64_t *value)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_xstats_by_name_get,
+                               -ENOTSUP);
+       if (name == NULL) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %d name can't be NULL\n", dev_id);
+               return -EINVAL;
+       }
+       if (id == NULL) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %d id can't be NULL\n", dev_id);
+               return -EINVAL;
+       }
+       if (value == NULL) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %d value can't be NULL\n", dev_id);
+               return -EINVAL;
+       }
+       return (*dev->dev_ops->dev_xstats_by_name_get)(dev, name, id, value);
+}
+
+int
+rte_regexdev_xstats_reset(uint8_t dev_id, const uint16_t *ids,
+                         uint16_t nb_ids)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_xstats_reset, -ENOTSUP);
+       if (ids == NULL) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %d ids can't be NULL\n", dev_id);
+               return -EINVAL;
+       }
+       return (*dev->dev_ops->dev_xstats_reset)(dev, ids, nb_ids);
+}
+
+int
+rte_regexdev_selftest(uint8_t dev_id)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_selftest, -ENOTSUP);
+       return (*dev->dev_ops->dev_selftest)(dev);
+}
+
+int
+rte_regexdev_dump(uint8_t dev_id, FILE *f)
+{
+       struct rte_regexdev *dev;
+
+       RTE_REGEXDEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+       dev = &rte_regex_devices[dev_id];
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_dump, -ENOTSUP);
+       if (f == NULL) {
+               RTE_REGEXDEV_LOG(ERR, "Dev %d file can't be NULL\n", dev_id);
+               return -EINVAL;
+       }
+       return (*dev->dev_ops->dev_dump)(dev, f);
+}