[dpdk-dev] [RFC 06/21] regex/mlx5: use context device structure

Michael Baum michaelba at nvidia.com
Tue Aug 17 15:44:26 CEST 2021


Use common context device structure as a priv field.

Signed-off-by: Michael Baum <michaelba at nvidia.com>
---
 drivers/regex/mlx5/mlx5_regex.c          | 59 +++++++++++-----------
 drivers/regex/mlx5/mlx5_regex.h          | 23 +--------
 drivers/regex/mlx5/mlx5_regex_control.c  | 12 ++---
 drivers/regex/mlx5/mlx5_regex_fastpath.c | 18 +++----
 drivers/regex/mlx5/mlx5_rxp.c            | 64 ++++++++++++------------
 5 files changed, 72 insertions(+), 104 deletions(-)

diff --git a/drivers/regex/mlx5/mlx5_regex.c b/drivers/regex/mlx5/mlx5_regex.c
index f17b6df47f..11b24cde39 100644
--- a/drivers/regex/mlx5/mlx5_regex.c
+++ b/drivers/regex/mlx5/mlx5_regex.c
@@ -110,7 +110,8 @@ mlx5_regex_mr_mem_event_cb(enum rte_mem_event event_type, const void *addr,
 		/* Iterate all the existing mlx5 devices. */
 		TAILQ_FOREACH(priv, &mlx5_mem_event_list, mem_event_cb)
 			mlx5_free_mr_by_addr(&priv->mr_scache,
-					     priv->ctx->device->name,
+					     mlx5_os_get_ctx_device_name
+							   (priv->dev_ctx->ctx),
 					     addr, len);
 		pthread_mutex_unlock(&mem_event_list_lock);
 		break;
@@ -123,25 +124,31 @@ mlx5_regex_mr_mem_event_cb(enum rte_mem_event event_type, const void *addr,
 static int
 mlx5_regex_dev_probe(struct rte_device *rte_dev)
 {
-	struct ibv_device *ibv;
 	struct mlx5_regex_priv *priv = NULL;
-	struct ibv_context *ctx = NULL;
+	struct mlx5_dev_ctx *dev_ctx = NULL;
 	struct mlx5_hca_attr attr;
 	char name[RTE_REGEXDEV_NAME_MAX_LEN];
+	const char *ibdev_name;
 	int ret;
 	uint32_t val;
 
-	ibv = mlx5_os_get_ibv_dev(rte_dev);
-	if (ibv == NULL)
+	dev_ctx = rte_zmalloc("mlx5 context device", sizeof(*dev_ctx),
+			      RTE_CACHE_LINE_SIZE);
+	if (dev_ctx == NULL) {
+		DRV_LOG(ERR, "Device context allocation failure.");
+		rte_errno = ENOMEM;
 		return -rte_errno;
-	DRV_LOG(INFO, "Probe device \"%s\".", ibv->name);
-	ctx = mlx5_glue->dv_open_device(ibv);
-	if (!ctx) {
-		DRV_LOG(ERR, "Failed to open IB device \"%s\".", ibv->name);
+	}
+	ret = mlx5_dev_ctx_prepare(dev_ctx, rte_dev, MLX5_CLASS_REGEX);
+	if (ret < 0) {
+		DRV_LOG(ERR, "Failed to create device context.");
+		rte_free(dev_ctx);
 		rte_errno = ENODEV;
 		return -rte_errno;
 	}
-	ret = mlx5_devx_cmd_query_hca_attr(ctx, &attr);
+	ibdev_name = mlx5_os_get_ctx_device_name(dev_ctx->ctx);
+	DRV_LOG(INFO, "Probe device \"%s\".", ibdev_name);
+	ret = mlx5_devx_cmd_query_hca_attr(dev_ctx->ctx, &attr);
 	if (ret) {
 		DRV_LOG(ERR, "Unable to read HCA capabilities.");
 		rte_errno = ENOTSUP;
@@ -152,7 +159,7 @@ mlx5_regex_dev_probe(struct rte_device *rte_dev)
 		rte_errno = ENOTSUP;
 		goto dev_error;
 	}
-	if (mlx5_regex_engines_status(ctx, 2)) {
+	if (mlx5_regex_engines_status(dev_ctx->ctx, 2)) {
 		DRV_LOG(ERR, "RegEx engine error.");
 		rte_errno = ENOMEM;
 		goto dev_error;
@@ -165,13 +172,13 @@ mlx5_regex_dev_probe(struct rte_device *rte_dev)
 		goto dev_error;
 	}
 	priv->sq_ts_format = attr.sq_ts_format;
-	priv->ctx = ctx;
+	priv->dev_ctx = dev_ctx;
 	priv->nb_engines = 2; /* attr.regexp_num_of_engines */
-	ret = mlx5_devx_regex_register_read(priv->ctx, 0,
+	ret = mlx5_devx_regex_register_read(priv->dev_ctx->ctx, 0,
 					    MLX5_RXP_CSR_IDENTIFIER, &val);
 	if (ret) {
 		DRV_LOG(ERR, "CSR read failed!");
-		return -1;
+		goto dev_error;
 	}
 	if (val == MLX5_RXP_BF2_IDENTIFIER)
 		priv->is_bf2 = 1;
@@ -189,18 +196,12 @@ mlx5_regex_dev_probe(struct rte_device *rte_dev)
 	 * registers writings, it is safe to allocate UAR with any
 	 * memory mapping type.
 	 */
-	priv->uar = mlx5_devx_alloc_uar(ctx, -1);
+	priv->uar = mlx5_devx_alloc_uar(dev_ctx->ctx, -1);
 	if (!priv->uar) {
 		DRV_LOG(ERR, "can't allocate uar.");
 		rte_errno = ENOMEM;
 		goto error;
 	}
-	priv->pd = mlx5_glue->alloc_pd(ctx);
-	if (!priv->pd) {
-		DRV_LOG(ERR, "can't allocate pd.");
-		rte_errno = ENOMEM;
-		goto error;
-	}
 	priv->regexdev->dev_ops = &mlx5_regexdev_ops;
 	priv->regexdev->enqueue = mlx5_regexdev_enqueue;
 #ifdef HAVE_MLX5_UMR_IMKEY
@@ -238,15 +239,15 @@ mlx5_regex_dev_probe(struct rte_device *rte_dev)
 	return 0;
 
 error:
-	if (priv->pd)
-		mlx5_glue->dealloc_pd(priv->pd);
 	if (priv->uar)
 		mlx5_glue->devx_free_uar(priv->uar);
 	if (priv->regexdev)
 		rte_regexdev_unregister(priv->regexdev);
 dev_error:
-	if (ctx)
-		mlx5_glue->close_device(ctx);
+	if (dev_ctx) {
+		mlx5_dev_ctx_release(dev_ctx);
+		rte_free(dev_ctx);
+	}
 	if (priv)
 		rte_free(priv);
 	return -rte_errno;
@@ -274,14 +275,14 @@ mlx5_regex_dev_remove(struct rte_device *rte_dev)
 							  NULL);
 		if (priv->mr_scache.cache.table)
 			mlx5_mr_release_cache(&priv->mr_scache);
-		if (priv->pd)
-			mlx5_glue->dealloc_pd(priv->pd);
 		if (priv->uar)
 			mlx5_glue->devx_free_uar(priv->uar);
 		if (priv->regexdev)
 			rte_regexdev_unregister(priv->regexdev);
-		if (priv->ctx)
-			mlx5_glue->close_device(priv->ctx);
+		if (priv->dev_ctx) {
+			mlx5_dev_ctx_release(priv->dev_ctx);
+			rte_free(priv->dev_ctx);
+		}
 		rte_free(priv);
 	}
 	return 0;
diff --git a/drivers/regex/mlx5/mlx5_regex.h b/drivers/regex/mlx5/mlx5_regex.h
index 514f3408f9..c7a57e6f1b 100644
--- a/drivers/regex/mlx5/mlx5_regex.h
+++ b/drivers/regex/mlx5/mlx5_regex.h
@@ -58,7 +58,7 @@ struct mlx5_regex_db {
 
 struct mlx5_regex_priv {
 	TAILQ_ENTRY(mlx5_regex_priv) next;
-	struct ibv_context *ctx; /* Device context. */
+	struct mlx5_dev_ctx *dev_ctx; /* Device context. */
 	struct rte_regexdev *regexdev; /* Pointer to the RegEx dev. */
 	uint16_t nb_queues; /* Number of queues. */
 	struct mlx5_regex_qp *qps; /* Pointer to the qp array. */
@@ -68,7 +68,6 @@ struct mlx5_regex_priv {
 				MLX5_RXP_EM_COUNT];
 	uint32_t nb_engines; /* Number of RegEx engines. */
 	struct mlx5dv_devx_uar *uar; /* UAR object. */
-	struct ibv_pd *pd;
 	TAILQ_ENTRY(mlx5_regex_priv) mem_event_cb;
 	/**< Called by memory event callback. */
 	struct mlx5_mr_share_cache mr_scache; /* Global shared MR cache. */
@@ -77,26 +76,6 @@ struct mlx5_regex_priv {
 	uint8_t has_umr; /* The device supports UMR. */
 };
 
-#ifdef HAVE_IBV_FLOW_DV_SUPPORT
-static inline int
-regex_get_pdn(void *pd, uint32_t *pdn)
-{
-	struct mlx5dv_obj obj;
-	struct mlx5dv_pd pd_info;
-	int ret = 0;
-
-	obj.pd.in = pd;
-	obj.pd.out = &pd_info;
-	ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_PD);
-	if (ret) {
-		DRV_LOG(DEBUG, "Fail to get PD object info");
-		return ret;
-	}
-	*pdn = pd_info.pdn;
-	return 0;
-}
-#endif
-
 /* mlx5_regex.c */
 int mlx5_regex_start(struct rte_regexdev *dev);
 int mlx5_regex_stop(struct rte_regexdev *dev);
diff --git a/drivers/regex/mlx5/mlx5_regex_control.c b/drivers/regex/mlx5/mlx5_regex_control.c
index 8ce2dabb55..125425a955 100644
--- a/drivers/regex/mlx5/mlx5_regex_control.c
+++ b/drivers/regex/mlx5/mlx5_regex_control.c
@@ -83,8 +83,8 @@ regex_ctrl_create_cq(struct mlx5_regex_priv *priv, struct mlx5_regex_cq *cq)
 	int ret;
 
 	cq->ci = 0;
-	ret = mlx5_devx_cq_create(priv->ctx, &cq->cq_obj, cq->log_nb_desc,
-				  &attr, SOCKET_ID_ANY);
+	ret = mlx5_devx_cq_create(priv->dev_ctx->ctx, &cq->cq_obj,
+				  cq->log_nb_desc, &attr, SOCKET_ID_ANY);
 	if (ret) {
 		DRV_LOG(ERR, "Can't create CQ object.");
 		memset(cq, 0, sizeof(*cq));
@@ -147,18 +147,14 @@ regex_ctrl_create_sq(struct mlx5_regex_priv *priv, struct mlx5_regex_qp *qp,
 		.state = MLX5_SQC_STATE_RDY,
 	};
 	struct mlx5_regex_sq *sq = &qp->sqs[q_ind];
-	uint32_t pd_num = 0;
 	int ret;
 
 	sq->log_nb_desc = log_nb_desc;
 	sq->sqn = q_ind;
 	sq->ci = 0;
 	sq->pi = 0;
-	ret = regex_get_pdn(priv->pd, &pd_num);
-	if (ret)
-		return ret;
-	attr.wq_attr.pd = pd_num;
-	ret = mlx5_devx_sq_create(priv->ctx, &sq->sq_obj,
+	attr.wq_attr.pd = priv->dev_ctx->pdn;
+	ret = mlx5_devx_sq_create(priv->dev_ctx->ctx, &sq->sq_obj,
 			MLX5_REGEX_WQE_LOG_NUM(priv->has_umr, log_nb_desc),
 			&attr, SOCKET_ID_ANY);
 	if (ret) {
diff --git a/drivers/regex/mlx5/mlx5_regex_fastpath.c b/drivers/regex/mlx5/mlx5_regex_fastpath.c
index 786718af53..2a04713b9f 100644
--- a/drivers/regex/mlx5/mlx5_regex_fastpath.c
+++ b/drivers/regex/mlx5/mlx5_regex_fastpath.c
@@ -138,7 +138,8 @@ mlx5_regex_addr2mr(struct mlx5_regex_priv *priv, struct mlx5_mr_ctrl *mr_ctrl,
 	if (likely(lkey != UINT32_MAX))
 		return lkey;
 	/* Take slower bottom-half on miss. */
-	return mlx5_mr_addr2mr_bh(priv->pd, 0, &priv->mr_scache, mr_ctrl, addr,
+	return mlx5_mr_addr2mr_bh(priv->dev_ctx->pd, 0, &priv->mr_scache,
+				  mr_ctrl, addr,
 				  !!(mbuf->ol_flags & EXT_ATTACHED_MBUF));
 }
 
@@ -634,7 +635,7 @@ setup_sqs(struct mlx5_regex_priv *priv, struct mlx5_regex_qp *queue)
 static int
 setup_buffers(struct mlx5_regex_priv *priv, struct mlx5_regex_qp *qp)
 {
-	struct ibv_pd *pd = priv->pd;
+	struct ibv_pd *pd = priv->dev_ctx->pd;
 	uint32_t i;
 	int err;
 
@@ -724,6 +725,7 @@ mlx5_regexdev_setup_fastpath(struct mlx5_regex_priv *priv, uint32_t qp_id)
 		.klm_array = &klm,
 		.klm_num = 1,
 		.umr_en = 1,
+		.pd = priv->dev_ctx->pdn,
 	};
 	uint32_t i;
 	int err = 0;
@@ -740,19 +742,11 @@ mlx5_regexdev_setup_fastpath(struct mlx5_regex_priv *priv, uint32_t qp_id)
 	setup_sqs(priv, qp);
 
 	if (priv->has_umr) {
-#ifdef HAVE_IBV_FLOW_DV_SUPPORT
-		if (regex_get_pdn(priv->pd, &attr.pd)) {
-			err = -rte_errno;
-			DRV_LOG(ERR, "Failed to get pdn.");
-			mlx5_regexdev_teardown_fastpath(priv, qp_id);
-			return err;
-		}
-#endif
 		for (i = 0; i < qp->nb_desc; i++) {
 			attr.klm_num = MLX5_REGEX_MAX_KLM_NUM;
 			attr.klm_array = qp->jobs[i].imkey_array;
-			qp->jobs[i].imkey = mlx5_devx_cmd_mkey_create(priv->ctx,
-								      &attr);
+			qp->jobs[i].imkey = mlx5_devx_cmd_mkey_create
+						    (priv->dev_ctx->ctx, &attr);
 			if (!qp->jobs[i].imkey) {
 				err = -rte_errno;
 				DRV_LOG(ERR, "Failed to allocate imkey.");
diff --git a/drivers/regex/mlx5/mlx5_rxp.c b/drivers/regex/mlx5/mlx5_rxp.c
index 380037e24c..7bd854883f 100644
--- a/drivers/regex/mlx5/mlx5_rxp.c
+++ b/drivers/regex/mlx5/mlx5_rxp.c
@@ -167,7 +167,7 @@ rxp_init_rtru(struct mlx5_regex_priv *priv, uint8_t id, uint32_t init_bits)
 	uint32_t poll_value;
 	uint32_t expected_value;
 	uint32_t expected_mask;
-	struct ibv_context *ctx = priv->ctx;
+	struct ibv_context *ctx = priv->dev_ctx->ctx;
 	int ret = 0;
 
 	/* Read the rtru ctrl CSR. */
@@ -284,6 +284,7 @@ rxp_program_rof(struct mlx5_regex_priv *priv, const char *buf, uint32_t len,
 	uint32_t rof_rule_addr;
 	uint64_t tmp_write_swap[4];
 	struct mlx5_rxp_rof_entry rules[8];
+	struct ibv_context *ctx = priv->dev_ctx->ctx;
 	int i;
 	int db_free;
 	int j;
@@ -313,7 +314,7 @@ rxp_program_rof(struct mlx5_regex_priv *priv, const char *buf, uint32_t len,
 			tmp_addr = rxp_get_reg_address(address);
 			if (tmp_addr == UINT32_MAX)
 				goto parse_error;
-			ret = mlx5_devx_regex_register_read(priv->ctx, id,
+			ret = mlx5_devx_regex_register_read(ctx, id,
 							    tmp_addr, &reg_val);
 			if (ret)
 				goto parse_error;
@@ -337,7 +338,7 @@ rxp_program_rof(struct mlx5_regex_priv *priv, const char *buf, uint32_t len,
 			tmp_addr = rxp_get_reg_address(address);
 			if (tmp_addr == UINT32_MAX)
 				goto parse_error;
-			ret = mlx5_devx_regex_register_read(priv->ctx, id,
+			ret = mlx5_devx_regex_register_read(ctx, id,
 							    tmp_addr, &reg_val);
 			if (ret)
 				goto parse_error;
@@ -359,7 +360,7 @@ rxp_program_rof(struct mlx5_regex_priv *priv, const char *buf, uint32_t len,
 			tmp_addr = rxp_get_reg_address(address);
 			if (tmp_addr == UINT32_MAX)
 				goto parse_error;
-			ret = mlx5_devx_regex_register_read(priv->ctx, id,
+			ret = mlx5_devx_regex_register_read(ctx, id,
 							    tmp_addr, &reg_val);
 			if (ret)
 				goto parse_error;
@@ -395,7 +396,7 @@ rxp_program_rof(struct mlx5_regex_priv *priv, const char *buf, uint32_t len,
 			if (tmp_addr == UINT32_MAX)
 				goto parse_error;
 
-			ret = mlx5_devx_regex_register_read(priv->ctx, id,
+			ret = mlx5_devx_regex_register_read(ctx, id,
 							    tmp_addr, &reg_val);
 			if (ret) {
 				DRV_LOG(ERR, "RXP CSR read failed!");
@@ -418,17 +419,16 @@ rxp_program_rof(struct mlx5_regex_priv *priv, const char *buf, uint32_t len,
 			 */
 			temp = val;
 			ret |= mlx5_devx_regex_register_write
-					(priv->ctx, id,
+					(ctx, id,
 					 MLX5_RXP_RTRU_CSR_DATA_0, temp);
 			temp = (uint32_t)(val >> 32);
 			ret |= mlx5_devx_regex_register_write
-					(priv->ctx, id,
+					(ctx, id,
 					 MLX5_RXP_RTRU_CSR_DATA_0 +
 					 MLX5_RXP_CSR_WIDTH, temp);
 			temp = address;
 			ret |= mlx5_devx_regex_register_write
-					(priv->ctx, id, MLX5_RXP_RTRU_CSR_ADDR,
-					 temp);
+					(ctx, id, MLX5_RXP_RTRU_CSR_ADDR, temp);
 			if (ret) {
 				DRV_LOG(ERR,
 					"Failed to copy instructions to RXP.");
@@ -506,13 +506,14 @@ mlnx_set_database(struct mlx5_regex_priv *priv, uint8_t id, uint8_t db_to_use)
 	int ret;
 	uint32_t umem_id;
 
-	ret = mlx5_devx_regex_database_stop(priv->ctx, id);
+	ret = mlx5_devx_regex_database_stop(priv->dev_ctx->ctx, id);
 	if (ret < 0) {
 		DRV_LOG(ERR, "stop engine failed!");
 		return ret;
 	}
 	umem_id = mlx5_os_get_umem_id(priv->db[db_to_use].umem.umem);
-	ret = mlx5_devx_regex_database_program(priv->ctx, id, umem_id, 0);
+	ret = mlx5_devx_regex_database_program(priv->dev_ctx->ctx,
+					       id, umem_id, 0);
 	if (ret < 0) {
 		DRV_LOG(ERR, "program db failed!");
 		return ret;
@@ -523,7 +524,7 @@ mlnx_set_database(struct mlx5_regex_priv *priv, uint8_t id, uint8_t db_to_use)
 static int
 mlnx_resume_database(struct mlx5_regex_priv *priv, uint8_t id)
 {
-	mlx5_devx_regex_database_resume(priv->ctx, id);
+	mlx5_devx_regex_database_resume(priv->dev_ctx->ctx, id);
 	return 0;
 }
 
@@ -588,13 +589,13 @@ program_rxp_rules(struct mlx5_regex_priv *priv, const char *buf, uint32_t len,
 {
 	int ret;
 	uint32_t val;
+	struct ibv_context *ctx = priv->dev_ctx->ctx;
 
 	ret = rxp_init_eng(priv, id);
 	if (ret < 0)
 		return ret;
 	/* Confirm the RXP is initialised. */
-	if (mlx5_devx_regex_register_read(priv->ctx, id,
-					    MLX5_RXP_CSR_STATUS, &val)) {
+	if (mlx5_devx_regex_register_read(ctx, id, MLX5_RXP_CSR_STATUS, &val)) {
 		DRV_LOG(ERR, "Failed to read from RXP!");
 		return -ENODEV;
 	}
@@ -602,14 +603,14 @@ program_rxp_rules(struct mlx5_regex_priv *priv, const char *buf, uint32_t len,
 		DRV_LOG(ERR, "RXP not initialised...");
 		return -EBUSY;
 	}
-	ret = mlx5_devx_regex_register_read(priv->ctx, id,
+	ret = mlx5_devx_regex_register_read(ctx, id,
 					    MLX5_RXP_RTRU_CSR_CTRL, &val);
 	if (ret) {
 		DRV_LOG(ERR, "CSR read failed!");
 		return -1;
 	}
 	val |= MLX5_RXP_RTRU_CSR_CTRL_GO;
-	ret = mlx5_devx_regex_register_write(priv->ctx, id,
+	ret = mlx5_devx_regex_register_write(ctx, id,
 					     MLX5_RXP_RTRU_CSR_CTRL, val);
 	if (ret) {
 		DRV_LOG(ERR, "Can't program rof file!");
@@ -622,7 +623,7 @@ program_rxp_rules(struct mlx5_regex_priv *priv, const char *buf, uint32_t len,
 	}
 	if (priv->is_bf2) {
 		ret = rxp_poll_csr_for_value
-			(priv->ctx, &val, MLX5_RXP_RTRU_CSR_STATUS,
+			(ctx, &val, MLX5_RXP_RTRU_CSR_STATUS,
 			 MLX5_RXP_RTRU_CSR_STATUS_UPDATE_DONE,
 			 MLX5_RXP_RTRU_CSR_STATUS_UPDATE_DONE,
 			 MLX5_RXP_POLL_CSR_FOR_VALUE_TIMEOUT, id);
@@ -632,29 +633,27 @@ program_rxp_rules(struct mlx5_regex_priv *priv, const char *buf, uint32_t len,
 		}
 		DRV_LOG(DEBUG, "Rules update took %d cycles", ret);
 	}
-	if (mlx5_devx_regex_register_read(priv->ctx, id, MLX5_RXP_RTRU_CSR_CTRL,
+	if (mlx5_devx_regex_register_read(ctx, id, MLX5_RXP_RTRU_CSR_CTRL,
 					  &val)) {
 		DRV_LOG(ERR, "CSR read failed!");
 		return -1;
 	}
 	val &= ~(MLX5_RXP_RTRU_CSR_CTRL_GO);
-	if (mlx5_devx_regex_register_write(priv->ctx, id,
+	if (mlx5_devx_regex_register_write(ctx, id,
 					   MLX5_RXP_RTRU_CSR_CTRL, val)) {
 		DRV_LOG(ERR, "CSR write failed!");
 		return -1;
 	}
-	ret = mlx5_devx_regex_register_read(priv->ctx, id, MLX5_RXP_CSR_CTRL,
-					    &val);
+	ret = mlx5_devx_regex_register_read(ctx, id, MLX5_RXP_CSR_CTRL, &val);
 	if (ret)
 		return ret;
 	val &= ~MLX5_RXP_CSR_CTRL_INIT;
-	ret = mlx5_devx_regex_register_write(priv->ctx, id, MLX5_RXP_CSR_CTRL,
-					     val);
+	ret = mlx5_devx_regex_register_write(ctx, id, MLX5_RXP_CSR_CTRL, val);
 	if (ret)
 		return ret;
 	rxp_init_rtru(priv, id, MLX5_RXP_RTRU_CSR_CTRL_INIT_MODE_L1_L2);
 	if (priv->is_bf2) {
-		ret = rxp_poll_csr_for_value(priv->ctx, &val,
+		ret = rxp_poll_csr_for_value(ctx, &val,
 					     MLX5_RXP_CSR_STATUS,
 					     MLX5_RXP_CSR_STATUS_INIT_DONE,
 					     MLX5_RXP_CSR_STATUS_INIT_DONE,
@@ -670,9 +669,7 @@ program_rxp_rules(struct mlx5_regex_priv *priv, const char *buf, uint32_t len,
 		DRV_LOG(ERR, "Failed to resume engine!");
 		return ret;
 	}
-
 	return ret;
-
 }
 
 static int
@@ -680,7 +677,7 @@ rxp_init_eng(struct mlx5_regex_priv *priv, uint8_t id)
 {
 	uint32_t ctrl;
 	uint32_t reg;
-	struct ibv_context *ctx = priv->ctx;
+	struct ibv_context *ctx = priv->dev_ctx->ctx;
 	int ret;
 
 	ret = mlx5_devx_regex_register_read(ctx, id, MLX5_RXP_CSR_CTRL, &ctrl);
@@ -758,9 +755,10 @@ rxp_db_setup(struct mlx5_regex_priv *priv)
 			goto tidyup_error;
 		}
 		/* Register the memory. */
-		priv->db[i].umem.umem = mlx5_glue->devx_umem_reg(priv->ctx,
-							priv->db[i].ptr,
-							MLX5_MAX_DB_SIZE, 7);
+		priv->db[i].umem.umem = mlx5_glue->devx_umem_reg
+							(priv->dev_ctx->ctx,
+							 priv->db[i].ptr,
+							 MLX5_MAX_DB_SIZE, 7);
 		if (!priv->db[i].umem.umem) {
 			DRV_LOG(ERR, "Failed to register memory!");
 			ret = ENODEV;
@@ -804,14 +802,14 @@ mlx5_regex_rules_db_import(struct rte_regexdev *dev,
 	}
 	if (rule_db_len == 0)
 		return -EINVAL;
-	if (mlx5_devx_regex_register_read(priv->ctx, 0,
+	if (mlx5_devx_regex_register_read(priv->dev_ctx->ctx, 0,
 					  MLX5_RXP_CSR_BASE_ADDRESS, &ver)) {
 		DRV_LOG(ERR, "Failed to read Main CSRs Engine 0!");
 		return -1;
 	}
 	/* Need to ensure RXP not busy before stop! */
 	for (id = 0; id < priv->nb_engines; id++) {
-		ret = rxp_stop_engine(priv->ctx, id);
+		ret = rxp_stop_engine(priv->dev_ctx->ctx, id);
 		if (ret) {
 			DRV_LOG(ERR, "Can't stop engine.");
 			ret = -ENODEV;
@@ -823,7 +821,7 @@ mlx5_regex_rules_db_import(struct rte_regexdev *dev,
 			ret = -ENODEV;
 			goto tidyup_error;
 		}
-		ret = rxp_start_engine(priv->ctx, id);
+		ret = rxp_start_engine(priv->dev_ctx->ctx, id);
 		if (ret) {
 			DRV_LOG(ERR, "Can't start engine.");
 			ret = -ENODEV;
-- 
2.25.1



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