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From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Eric Dumazet <edumazet@google.com>
Cc: Saeed Mahameed <saeedm@nvidia.com>,
	netdev@vger.kernel.org, Tariq Toukan <tariqt@nvidia.com>,
	Gal Pressman <gal@nvidia.com>
Subject: [net-next 10/11] net/mlx5: devcom, Add component size getter
Date: Wed, 13 Dec 2023 18:08:31 -0800	[thread overview]
Message-ID: <20231214020832.50703-11-saeed@kernel.org> (raw)
In-Reply-To: <20231214020832.50703-1-saeed@kernel.org>

From: Tariq Toukan <tariqt@nvidia.com>

Add a getter for the number of participants in a devcom
component (those who share the same component id and key).

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c | 7 +++++++
 drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h | 1 +
 2 files changed, 8 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
index e8e50563e956..e7d59cfa8708 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
@@ -256,6 +256,13 @@ void mlx5_devcom_unregister_component(struct mlx5_devcom_comp_dev *devcom)
 		devcom_free_comp_dev(devcom);
 }
 
+int mlx5_devcom_comp_get_size(struct mlx5_devcom_comp_dev *devcom)
+{
+	struct mlx5_devcom_comp *comp = devcom->comp;
+
+	return kref_read(&comp->ref);
+}
+
 int mlx5_devcom_send_event(struct mlx5_devcom_comp_dev *devcom,
 			   int event, int rollback_event,
 			   void *event_data)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
index fc23bbef87b4..ec32b686f586 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
@@ -31,6 +31,7 @@ void mlx5_devcom_unregister_component(struct mlx5_devcom_comp_dev *devcom);
 int mlx5_devcom_send_event(struct mlx5_devcom_comp_dev *devcom,
 			   int event, int rollback_event,
 			   void *event_data);
+int mlx5_devcom_comp_get_size(struct mlx5_devcom_comp_dev *devcom);
 
 void mlx5_devcom_comp_set_ready(struct mlx5_devcom_comp_dev *devcom, bool ready);
 bool mlx5_devcom_comp_is_ready(struct mlx5_devcom_comp_dev *devcom);
-- 
2.43.0


  parent reply	other threads:[~2023-12-14  2:08 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-14  2:08 [pull request][net-next 00/11] mlx5 updates 2023-12-13 Saeed Mahameed
2023-12-14  2:08 ` [net-next 01/11] net/mlx5: Add mlx5_ifc bits used for supporting single netdev Socket-Direct Saeed Mahameed
2023-12-14  2:08 ` [net-next 02/11] net/mlx5: Expose Management PCIe Index Register (MPIR) Saeed Mahameed
2023-12-14  2:08 ` [net-next 03/11] net/mlx5: fs, Command to control L2TABLE entry silent mode Saeed Mahameed
2023-12-14  2:08 ` [net-next 04/11] net/mlx5: fs, Command to control TX flow table root Saeed Mahameed
2023-12-14  2:08 ` [net-next 05/11] net/mlx5e: Remove TLS-specific logic in generic create TIS API Saeed Mahameed
2023-12-14  2:08 ` [net-next 06/11] net/mlx5: Move TISes from priv to mdev HW resources Saeed Mahameed
2023-12-14  2:08 ` [net-next 07/11] net/mlx5e: Statify function mlx5e_monitor_counter_arm Saeed Mahameed
2023-12-14  2:08 ` [net-next 08/11] net/mlx5e: Add wrapping for auxiliary_driver ops and remove unused args Saeed Mahameed
2023-12-14  2:08 ` [net-next 09/11] net/mlx5e: Decouple CQ from priv Saeed Mahameed
2023-12-14  2:08 ` Saeed Mahameed [this message]
2023-12-14  2:08 ` [net-next 11/11] net/mlx5: DR, Use swap() instead of open coding it Saeed Mahameed
2023-12-19  0:03 ` [pull request][net-next 00/11] mlx5 updates 2023-12-13 Jakub Kicinski

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