diff mbox series

[v1,04/16] net/mlx5: introduce shared UAR resource

Message ID	1594374530-24659-4-git-send-email-viacheslavo@mellanox.com (mailing list archive)
State	Superseded, archived
Delegated to:	Raslan Darawsheh
Headers	From: Viacheslav Ovsiienko <viacheslavo@mellanox.com> To: dev@dpdk.org Cc: matan@mellanox.com, rasland@mellanox.com, thomas@monjalon.net, ferruh.yigit@intel.com Date: Fri, 10 Jul 2020 09:48:38 +0000 Message-Id: <1594374530-24659-4-git-send-email-viacheslavo@mellanox.com> In-Reply-To: <1594374530-24659-1-git-send-email-viacheslavo@mellanox.com> References: <1594374530-24659-1-git-send-email-viacheslavo@mellanox.com> Subject: [dpdk-dev] [PATCH v1 04/16] net/mlx5: introduce shared UAR resource Precedence: list Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org>
Series	[v1,01/16] common/mlx5: update common part to support packet pacing \| [v1,01/16] common/mlx5: update common part to support packet pacing [v1,02/16] net/mlx5: introduce send scheduling devargs [v1,03/16] net/mlx5: fix UAR lock sharing for multiport devices [v1,04/16] net/mlx5: introduce shared UAR resource [v1,05/16] net/mlx5: create clock queue for packet pacing [v1,06/16] net/mlx5: create rearm queue for packet pacing [v1,07/16] net/mlx5: create Tx queues with DevX [v1,08/16] net/mlx5: allocate packet pacing context [v1,09/16] net/mlx5: introduce clock queue service routine [v1,10/16] net/mlx5: prepare Tx queue structures to support timestamp [v1,11/16] net/mlx5: convert timestamp to completion index [v1,12/16] net/mlx5: prepare Tx datapath to support sheduling [v1,13/16] net/mlx5: add scheduling support to send routine template [v1,14/16] net/mlx5: add read device clock support [v1,15/16] net/mlx5: provide the send scheduling error statistics [v1,16/16] common/mlx5: add register access DevX routine

Checks

Context	Check	Description
ci/checkpatch	success	coding style OK
ci/Intel-compilation	success	Compilation OK

Commit Message

Slava Ovsiienko July 10, 2020, 9:48 a.m. UTC

  This is preparation step before moving the Tx queue creation
to the DevX approach. Some features require the shared UAR
for Tx queues and scheduling completion queues, the patch
manages the shared UAR.

Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
---
 drivers/net/mlx5/mlx5.c | 14 ++++++++++++++
 drivers/net/mlx5/mlx5.h |  1 +
 2 files changed, 15 insertions(+)

diff mbox series

Patch

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 2efbc03..612d38c 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -709,6 +709,12 @@  struct mlx5_dev_ctx_shared *
 			err = ENOMEM;
 			goto error;
 		}
+		sh->tx_uar = mlx5_glue->devx_alloc_uar(sh->ctx, 0);
+		if (!sh->tx_uar) {
+			DRV_LOG(ERR, "Failed to allocate DevX UAR.");
+			err = ENOMEM;
+			goto error;
+		}
 	}
 	sh->flow_id_pool = mlx5_flow_id_pool_alloc
 					((1 << HAIRPIN_FLOW_ID_BITS) - 1);
@@ -767,6 +773,10 @@  struct mlx5_dev_ctx_shared *
 		mlx5_l3t_destroy(sh->cnt_id_tbl);
 		sh->cnt_id_tbl = NULL;
 	}
+	if (sh->tx_uar) {
+		mlx5_glue->devx_free_uar(sh->tx_uar);
+		sh->tx_uar = NULL;
+	}
 	if (sh->tis)
 		claim_zero(mlx5_devx_cmd_destroy(sh->tis));
 	if (sh->td)
@@ -832,6 +842,10 @@  struct mlx5_dev_ctx_shared *
 		mlx5_l3t_destroy(sh->cnt_id_tbl);
 		sh->cnt_id_tbl = NULL;
 	}
+	if (sh->tx_uar) {
+		mlx5_glue->devx_free_uar(sh->tx_uar);
+		sh->tx_uar = NULL;
+	}
 	if (sh->pd)
 		claim_zero(mlx5_glue->dealloc_pd(sh->pd));
 	if (sh->tis)
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index d01d7f3..799b8e3 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -586,6 +586,7 @@  struct mlx5_dev_ctx_shared {
 	struct mlx5_devx_obj *tis; /* TIS object. */
 	struct mlx5_devx_obj *td; /* Transport domain. */
 	struct mlx5_flow_id_pool *flow_id_pool; /* Flow ID pool. */
+	struct mlx5dv_devx_uar *tx_uar; /* Tx/packer pacing  shared UAR. */
 	struct mlx5_dev_shared_port port[]; /* per device port data array. */
 };