* Copyright 2020 Mellanox Technologies, Ltd
*/
+#include <rte_malloc.h>
+#include <rte_log.h>
+#include <rte_errno.h>
+#include <rte_pci.h>
+#include <rte_regexdev.h>
+#include <rte_regexdev_core.h>
+#include <rte_regexdev_driver.h>
+#include <rte_bus_pci.h>
+
+#include <mlx5_common.h>
+#include <mlx5_common_mr.h>
+#include <mlx5_glue.h>
+#include <mlx5_devx_cmds.h>
+#include <mlx5_prm.h>
+
#include "mlx5_regex.h"
#include "mlx5_regex_utils.h"
+#define MLX5_REGEX_DRIVER_NAME regex_mlx5
+
int mlx5_regex_logtype;
-RTE_LOG_REGISTER(mlx5_regex_logtype, pmd.regex.mlx5, NOTICE)
+const struct rte_regexdev_ops mlx5_regexdev_ops = {
+ .dev_info_get = mlx5_regex_info_get,
+ .dev_configure = mlx5_regex_configure,
+ .dev_db_import = mlx5_regex_rules_db_import,
+ .dev_qp_setup = mlx5_regex_qp_setup,
+ .dev_start = mlx5_regex_start,
+ .dev_stop = mlx5_regex_stop,
+ .dev_close = mlx5_regex_close,
+};
+
+int
+mlx5_regex_start(struct rte_regexdev *dev)
+{
+ struct mlx5_regex_priv *priv = dev->data->dev_private;
+
+ return mlx5_dev_mempool_subscribe(priv->cdev);
+}
+
+int
+mlx5_regex_stop(struct rte_regexdev *dev __rte_unused)
+{
+ struct mlx5_regex_priv *priv = dev->data->dev_private;
+
+ mlx5_regex_clean_ctrl(dev);
+ rte_free(priv->qps);
+ priv->qps = NULL;
+
+ return 0;
+}
+
+int
+mlx5_regex_close(struct rte_regexdev *dev __rte_unused)
+{
+ return 0;
+}
+
+static void
+mlx5_regex_get_name(char *name, struct rte_device *dev)
+{
+ sprintf(name, "mlx5_regex_%s", dev->name);
+}
+
+static int
+mlx5_regex_dev_probe(struct mlx5_common_device *cdev,
+ struct mlx5_kvargs_ctrl *mkvlist __rte_unused)
+{
+ struct mlx5_regex_priv *priv = NULL;
+ struct mlx5_hca_attr *attr = &cdev->config.hca_attr;
+ char name[RTE_REGEXDEV_NAME_MAX_LEN];
+ int ret;
+
+ if ((!attr->regexp_params && !attr->mmo_regex_sq_en && !attr->mmo_regex_qp_en)
+ || attr->regexp_num_of_engines == 0) {
+ DRV_LOG(ERR, "Not enough capabilities to support RegEx, maybe "
+ "old FW/OFED version?");
+ rte_errno = ENOTSUP;
+ return -rte_errno;
+ }
+ priv = rte_zmalloc("mlx5 regex device private", sizeof(*priv),
+ RTE_CACHE_LINE_SIZE);
+ if (!priv) {
+ DRV_LOG(ERR, "Failed to allocate private memory.");
+ rte_errno = ENOMEM;
+ return -rte_errno;
+ }
+ priv->mmo_regex_qp_cap = attr->mmo_regex_qp_en;
+ priv->mmo_regex_sq_cap = attr->mmo_regex_sq_en;
+ priv->cdev = cdev;
+ priv->nb_engines = 2; /* attr.regexp_num_of_engines */
+ if (attr->regexp_version == MLX5_RXP_BF2_IDENTIFIER)
+ priv->is_bf2 = 1;
+ /* Default RXP programming mode to Shared. */
+ priv->prog_mode = MLX5_RXP_SHARED_PROG_MODE;
+ mlx5_regex_get_name(name, cdev->dev);
+ priv->regexdev = rte_regexdev_register(name);
+ if (priv->regexdev == NULL) {
+ DRV_LOG(ERR, "Failed to register RegEx device.");
+ rte_errno = rte_errno ? rte_errno : EINVAL;
+ goto dev_error;
+ }
+ ret = mlx5_devx_uar_prepare(cdev, &priv->uar);
+ if (ret)
+ goto error;
+ priv->regexdev->dev_ops = &mlx5_regexdev_ops;
+ priv->regexdev->enqueue = mlx5_regexdev_enqueue;
+#ifdef HAVE_MLX5_UMR_IMKEY
+ if (!attr->umr_indirect_mkey_disabled &&
+ !attr->umr_modify_entity_size_disabled)
+ priv->has_umr = 1;
+ if (priv->has_umr)
+ priv->regexdev->enqueue = mlx5_regexdev_enqueue_gga;
+#endif
+ priv->regexdev->dequeue = mlx5_regexdev_dequeue;
+ priv->regexdev->device = cdev->dev;
+ priv->regexdev->data->dev_private = priv;
+ priv->regexdev->state = RTE_REGEXDEV_READY;
+ DRV_LOG(INFO, "RegEx GGA is %s.",
+ priv->has_umr ? "supported" : "unsupported");
+ return 0;
+
+error:
+ if (priv->regexdev)
+ rte_regexdev_unregister(priv->regexdev);
+dev_error:
+ rte_free(priv);
+ return -rte_errno;
+}
+
+static int
+mlx5_regex_dev_remove(struct mlx5_common_device *cdev)
+{
+ char name[RTE_REGEXDEV_NAME_MAX_LEN];
+ struct rte_regexdev *dev;
+ struct mlx5_regex_priv *priv = NULL;
+
+ mlx5_regex_get_name(name, cdev->dev);
+ dev = rte_regexdev_get_device_by_name(name);
+ if (!dev)
+ return 0;
+ priv = dev->data->dev_private;
+ if (priv) {
+ mlx5_devx_uar_release(&priv->uar);
+ if (priv->regexdev)
+ rte_regexdev_unregister(priv->regexdev);
+ rte_free(priv);
+ }
+ return 0;
+}
+
+static const struct rte_pci_id mlx5_regex_pci_id_map[] = {
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF)
+ },
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX7BF)
+ },
+ {
+ .vendor_id = 0
+ }
+};
+
+static struct mlx5_class_driver mlx5_regex_driver = {
+ .drv_class = MLX5_CLASS_REGEX,
+ .name = RTE_STR(MLX5_REGEX_DRIVER_NAME),
+ .id_table = mlx5_regex_pci_id_map,
+ .probe = mlx5_regex_dev_probe,
+ .remove = mlx5_regex_dev_remove,
+};
+
+RTE_INIT(rte_mlx5_regex_init)
+{
+ mlx5_common_init();
+ if (mlx5_glue)
+ mlx5_class_driver_register(&mlx5_regex_driver);
+}
+
+RTE_LOG_REGISTER_DEFAULT(mlx5_regex_logtype, NOTICE)
+RTE_PMD_EXPORT_NAME(MLX5_REGEX_DRIVER_NAME, __COUNTER__);
+RTE_PMD_REGISTER_PCI_TABLE(MLX5_REGEX_DRIVER_NAME, mlx5_regex_pci_id_map);
+RTE_PMD_REGISTER_KMOD_DEP(MLX5_REGEX_DRIVER_NAME, "* ib_uverbs & mlx5_core & mlx5_ib");
git.droids-corp.org / dpdk.git / blobdiff