linux-kernel - [PATCH mlx5-next] net/mlx5: Add uar access and odp page fault counters

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Message-ID: <1758115678-643464-1-git-send-email-tariqt@nvidia.com>
Date: Wed, 17 Sep 2025 16:27:58 +0300
From: Tariq Toukan <tariqt@...dia.com>
To: Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>
CC: Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David
 S. Miller" <davem@...emloft.net>, Tariq Toukan <tariqt@...dia.com>, "Mark
 Bloch" <mbloch@...dia.com>, <linux-rdma@...r.kernel.org>,
	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Gal Pressman
	<gal@...dia.com>, Dragos Tatulea <dtatulea@...dia.com>, Akiva Goldberger
	<agoldberger@...dia.com>
Subject: [PATCH mlx5-next] net/mlx5: Add uar access and odp page fault counters

From: Akiva Goldberger <agoldberger@...dia.com>

Add bar_uar_access, odp_local_triggered_page_fault, and
odp_remote_triggered_page_fault counters to the query_vnic_env command.
Additionally, add corresponding capabilities bits to the HCA CAP.

Signed-off-by: Akiva Goldberger <agoldberger@...dia.com>
Reviewed-by: Moshe Shemesh <moshe@...dia.com>
Signed-off-by: Tariq Toukan <tariqt@...dia.com>
---
 include/linux/mlx5/mlx5_ifc.h | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 097b1b7ada63..0cf187e13def 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1958,7 +1958,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 	u8         log_max_rqt[0x5];
 	u8         reserved_at_390[0x3];
 	u8         log_max_rqt_size[0x5];
-	u8         reserved_at_398[0x3];
+	u8         reserved_at_398[0x1];
+	u8	   vnic_env_cnt_bar_uar_access[0x1];
+	u8	   vnic_env_cnt_odp_page_fault[0x1];
 	u8         log_max_tis_per_sq[0x5];
 
 	u8         ext_stride_num_range[0x1];
@@ -4019,7 +4021,13 @@ struct mlx5_ifc_vnic_diagnostic_statistics_bits {
 
 	u8         handled_pkt_steering_fail[0x40];
 
-	u8         reserved_at_360[0xc80];
+	u8         bar_uar_access[0x20];
+
+	u8         odp_local_triggered_page_fault[0x20];
+
+	u8         odp_remote_triggered_page_fault[0x20];
+
+	u8         reserved_at_3c0[0xc20];
 };
 
 struct mlx5_ifc_traffic_counter_bits {

base-commit: 2ac207381c37eebc49559634ce5642119784bc7c
-- 
2.31.1