regex/mlx5: move DevX SQ creation to common
authorMichael Baum <michaelba@nvidia.com>
Wed, 6 Jan 2021 08:19:35 +0000 (08:19 +0000)
committerFerruh Yigit <ferruh.yigit@intel.com>
Thu, 14 Jan 2021 09:12:36 +0000 (10:12 +0100)
Using common function for DevX SQ creation.

Signed-off-by: Michael Baum <michaelba@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
drivers/regex/mlx5/mlx5_regex.h
drivers/regex/mlx5/mlx5_regex_control.c
drivers/regex/mlx5/mlx5_regex_fastpath.c

index 9f7a388..7e1b2a9 100644 (file)
 
 struct mlx5_regex_sq {
        uint16_t log_nb_desc; /* Log 2 number of desc for this object. */
-       struct mlx5_devx_obj *obj; /* The SQ DevX object. */
-       int64_t dbr_offset; /* Door bell record offset. */
-       uint32_t dbr_umem; /* Door bell record umem id. */
-       uint8_t *wqe; /* The SQ ring buffer. */
-       struct mlx5dv_devx_umem *wqe_umem; /* SQ buffer umem. */
+       struct mlx5_devx_sq sq_obj; /* The SQ DevX object. */
        size_t pi, db_pi;
        size_t ci;
        uint32_t sqn;
-       uint32_t *dbr;
 };
 
 struct mlx5_regex_cq {
@@ -73,7 +68,6 @@ struct mlx5_regex_priv {
        uint32_t nb_engines; /* Number of RegEx engines. */
        struct mlx5dv_devx_uar *uar; /* UAR object. */
        struct ibv_pd *pd;
-       struct mlx5_dbr_page_list dbrpgs; /* Door-bell pages. */
        struct mlx5_mr_share_cache mr_scache; /* Global shared MR cache. */
 };
 
index ca6c0f5..df57fad 100644 (file)
@@ -111,6 +111,27 @@ regex_get_pdn(void *pd, uint32_t *pdn)
 }
 #endif
 
+/**
+ * Destroy the SQ object.
+ *
+ * @param qp
+ *   Pointer to the QP element
+ * @param q_ind
+ *   The index of the queue.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+regex_ctrl_destroy_sq(struct mlx5_regex_qp *qp, uint16_t q_ind)
+{
+       struct mlx5_regex_sq *sq = &qp->sqs[q_ind];
+
+       mlx5_devx_sq_destroy(&sq->sq_obj);
+       memset(sq, 0, sizeof(*sq));
+       return 0;
+}
+
 /**
  * create the SQ object.
  *
@@ -131,84 +152,42 @@ regex_ctrl_create_sq(struct mlx5_regex_priv *priv, struct mlx5_regex_qp *qp,
                     uint16_t q_ind, uint16_t log_nb_desc)
 {
 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
-       struct mlx5_devx_create_sq_attr attr = { 0 };
-       struct mlx5_devx_modify_sq_attr modify_attr = { 0 };
-       struct mlx5_devx_wq_attr *wq_attr = &attr.wq_attr;
-       struct mlx5_devx_dbr_page *dbr_page = NULL;
+       struct mlx5_devx_create_sq_attr attr = {
+               .user_index = q_ind,
+               .cqn = qp->cq.cq_obj.cq->id,
+               .wq_attr = (struct mlx5_devx_wq_attr){
+                       .uar_page = priv->uar->page_id,
+               },
+       };
+       struct mlx5_devx_modify_sq_attr modify_attr = {
+               .state = MLX5_SQC_STATE_RDY,
+       };
        struct mlx5_regex_sq *sq = &qp->sqs[q_ind];
-       void *buf = NULL;
-       uint32_t sq_size;
        uint32_t pd_num = 0;
        int ret;
 
        sq->log_nb_desc = log_nb_desc;
-       sq_size = 1 << sq->log_nb_desc;
-       sq->dbr_offset = mlx5_get_dbr(priv->ctx, &priv->dbrpgs, &dbr_page);
-       if (sq->dbr_offset < 0) {
-               DRV_LOG(ERR, "Can't allocate sq door bell record.");
-               rte_errno  = ENOMEM;
-               goto error;
-       }
-       sq->dbr_umem = mlx5_os_get_umem_id(dbr_page->umem);
-       sq->dbr = (uint32_t *)((uintptr_t)dbr_page->dbrs +
-                              (uintptr_t)sq->dbr_offset);
-
-       buf = rte_calloc(NULL, 1, 64 * sq_size, 4096);
-       if (!buf) {
-               DRV_LOG(ERR, "Can't allocate wqe buffer.");
-               rte_errno  = ENOMEM;
-               goto error;
-       }
-       sq->wqe = buf;
-       sq->wqe_umem = mlx5_glue->devx_umem_reg(priv->ctx, buf, 64 * sq_size,
-                                               7);
        sq->ci = 0;
        sq->pi = 0;
-       if (!sq->wqe_umem) {
-               DRV_LOG(ERR, "Can't register wqe mem.");
-               rte_errno  = ENOMEM;
-               goto error;
-       }
-       attr.state = MLX5_SQC_STATE_RST;
-       attr.tis_lst_sz = 0;
-       attr.tis_num = 0;
-       attr.user_index = q_ind;
-       attr.cqn = qp->cq.cq_obj.cq->id;
-       wq_attr->uar_page = priv->uar->page_id;
-       regex_get_pdn(priv->pd, &pd_num);
-       wq_attr->pd = pd_num;
-       wq_attr->wq_type = MLX5_WQ_TYPE_CYCLIC;
-       wq_attr->dbr_umem_id = sq->dbr_umem;
-       wq_attr->dbr_addr = sq->dbr_offset;
-       wq_attr->dbr_umem_valid = 1;
-       wq_attr->wq_umem_id = mlx5_os_get_umem_id(sq->wqe_umem);
-       wq_attr->wq_umem_offset = 0;
-       wq_attr->wq_umem_valid = 1;
-       wq_attr->log_wq_stride = 6;
-       wq_attr->log_wq_sz = sq->log_nb_desc;
-       sq->obj = mlx5_devx_cmd_create_sq(priv->ctx, &attr);
-       if (!sq->obj) {
-               DRV_LOG(ERR, "Can't create sq object.");
-               rte_errno  = ENOMEM;
-               goto error;
+       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, log_nb_desc, &attr,
+                                 SOCKET_ID_ANY);
+       if (ret) {
+               DRV_LOG(ERR, "Can't create SQ object.");
+               rte_errno = ENOMEM;
+               return -rte_errno;
        }
-       modify_attr.state = MLX5_SQC_STATE_RDY;
-       ret = mlx5_devx_cmd_modify_sq(sq->obj, &modify_attr);
+       ret = mlx5_devx_cmd_modify_sq(sq->sq_obj.sq, &modify_attr);
        if (ret) {
-               DRV_LOG(ERR, "Can't change sq state to ready.");
-               rte_errno  = ENOMEM;
-               goto error;
+               DRV_LOG(ERR, "Can't change SQ state to ready.");
+               regex_ctrl_destroy_sq(qp, q_ind);
+               rte_errno = ENOMEM;
+               return -rte_errno;
        }
-
        return 0;
-error:
-       if (sq->wqe_umem)
-               mlx5_glue->devx_umem_dereg(sq->wqe_umem);
-       if (buf)
-               rte_free(buf);
-       if (sq->dbr_offset)
-               mlx5_release_dbr(&priv->dbrpgs, sq->dbr_umem, sq->dbr_offset);
-       return -rte_errno;
 #else
        (void)priv;
        (void)qp;
@@ -219,44 +198,6 @@ error:
 #endif
 }
 
-/**
- * Destroy the SQ object.
- *
- * @param priv
- *   Pointer to the priv object.
- * @param qp
- *   Pointer to the QP element
- * @param q_ind
- *   The index of the queue.
- *
- * @return
- *   0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-regex_ctrl_destroy_sq(struct mlx5_regex_priv *priv, struct mlx5_regex_qp *qp,
-                     uint16_t q_ind)
-{
-       struct mlx5_regex_sq *sq = &qp->sqs[q_ind];
-
-       if (sq->wqe_umem) {
-               mlx5_glue->devx_umem_dereg(sq->wqe_umem);
-               sq->wqe_umem = NULL;
-       }
-       if (sq->wqe) {
-               rte_free((void *)(uintptr_t)sq->wqe);
-               sq->wqe = NULL;
-       }
-       if (sq->dbr_offset) {
-               mlx5_release_dbr(&priv->dbrpgs, sq->dbr_umem, sq->dbr_offset);
-               sq->dbr_offset = -1;
-       }
-       if (sq->obj) {
-               mlx5_devx_cmd_destroy(sq->obj);
-               sq->obj = NULL;
-       }
-       return 0;
-}
-
 /**
  * Setup the qp.
  *
@@ -329,7 +270,7 @@ err_fp:
        mlx5_mr_btree_free(&qp->mr_ctrl.cache_bh);
 err_btree:
        for (i = 0; i < nb_sq_config; i++)
-               regex_ctrl_destroy_sq(priv, qp, i);
+               regex_ctrl_destroy_sq(qp, i);
        regex_ctrl_destroy_cq(&qp->cq);
 err_cq:
        rte_free(qp->sqs);
index 0779e35..3a0a218 100644 (file)
@@ -110,12 +110,12 @@ prep_one(struct mlx5_regex_priv *priv, struct mlx5_regex_qp *qp,
                                  &priv->mr_scache, &qp->mr_ctrl,
                                  rte_pktmbuf_mtod(op->mbuf, uintptr_t),
                                  !!(op->mbuf->ol_flags & EXT_ATTACHED_MBUF));
-       uint8_t *wqe = (uint8_t *)sq->wqe + wqe_offset;
+       uint8_t *wqe = (uint8_t *)(uintptr_t)sq->sq_obj.wqes + wqe_offset;
        int ds = 4; /*  ctrl + meta + input + output */
 
        set_wqe_ctrl_seg((struct mlx5_wqe_ctrl_seg *)wqe, sq->pi,
-                        MLX5_OPCODE_MMO, MLX5_OPC_MOD_MMO_REGEX, sq->obj->id,
-                        0, ds, 0, 0);
+                        MLX5_OPCODE_MMO, MLX5_OPC_MOD_MMO_REGEX,
+                        sq->sq_obj.sq->id, 0, ds, 0, 0);
        set_regex_ctrl_seg(wqe + 12, 0, op->group_id0, op->group_id1,
                           op->group_id2,
                           op->group_id3, 0);
@@ -137,12 +137,12 @@ send_doorbell(struct mlx5dv_devx_uar *uar, struct mlx5_regex_sq *sq)
 {
        size_t wqe_offset = (sq->db_pi & (sq_size_get(sq) - 1)) *
                MLX5_SEND_WQE_BB;
-       uint8_t *wqe = (uint8_t *)sq->wqe + wqe_offset;
+       uint8_t *wqe = (uint8_t *)(uintptr_t)sq->sq_obj.wqes + wqe_offset;
        ((struct mlx5_wqe_ctrl_seg *)wqe)->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE;
        uint64_t *doorbell_addr =
                (uint64_t *)((uint8_t *)uar->base_addr + 0x800);
        rte_io_wmb();
-       sq->dbr[MLX5_SND_DBR] = rte_cpu_to_be_32((sq->db_pi + 1) &
+       sq->sq_obj.db_rec[MLX5_SND_DBR] = rte_cpu_to_be_32((sq->db_pi + 1) &
                                                 MLX5_REGEX_MAX_WQE_INDEX);
        rte_wmb();
        *doorbell_addr = *(volatile uint64_t *)wqe;
@@ -322,7 +322,7 @@ setup_sqs(struct mlx5_regex_qp *queue)
        uint32_t job_id;
        for (sqid = 0; sqid < queue->nb_obj; sqid++) {
                struct mlx5_regex_sq *sq = &queue->sqs[sqid];
-               uint8_t *wqe = (uint8_t *)sq->wqe;
+               uint8_t *wqe = (uint8_t *)(uintptr_t)sq->sq_obj.wqes;
                for (entry = 0 ; entry < sq_size_get(sq); entry++) {
                        job_id = sqid * sq_size_get(sq) + entry;
                        struct mlx5_regex_job *job = &queue->jobs[job_id];
@@ -355,7 +355,7 @@ setup_buffers(struct mlx5_regex_qp *qp, struct ibv_pd *pd)
                return -ENOMEM;
 
        qp->metadata = mlx5_glue->reg_mr(pd, ptr,
-                                        MLX5_REGEX_METADATA_SIZE*qp->nb_desc,
+                                        MLX5_REGEX_METADATA_SIZE * qp->nb_desc,
                                         IBV_ACCESS_LOCAL_WRITE);
        if (!qp->metadata) {
                DRV_LOG(ERR, "Failed to register metadata");