From: Mark Bloch <mbloch@nvidia.com>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Eric Dumazet <edumazet@google.com>,
"Andrew Lunn" <andrew+netdev@lunn.ch>,
Simon Horman <horms@kernel.org>
Cc: <saeedm@nvidia.com>, <gal@nvidia.com>, <leonro@nvidia.com>,
<tariqt@nvidia.com>, Leon Romanovsky <leon@kernel.org>,
Jonathan Corbet <corbet@lwn.net>, <netdev@vger.kernel.org>,
<linux-rdma@vger.kernel.org>, <linux-doc@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
Dragos Tatulea <dtatulea@nvidia.com>,
Mark Bloch <mbloch@nvidia.com>
Subject: [PATCH mlx5-next 2/5] net/mlx5: Add IFC bits for PCIe Congestion Event object
Date: Thu, 19 Jun 2025 14:37:18 +0300 [thread overview]
Message-ID: <20250619113721.60201-3-mbloch@nvidia.com> (raw)
In-Reply-To: <20250619113721.60201-1-mbloch@nvidia.com>
From: Dragos Tatulea <dtatulea@nvidia.com>
Add definitions for the PCIe Congestion Event object
and the relevant FW command structures.
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
---
include/linux/mlx5/mlx5_ifc.h | 40 +++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 5c8f75605eac..0e93f342be09 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -12509,6 +12509,7 @@ enum {
MLX5_GENERAL_OBJECT_TYPES_MACSEC = 0x27,
MLX5_GENERAL_OBJECT_TYPES_INT_KEK = 0x47,
MLX5_GENERAL_OBJECT_TYPES_RDMA_CTRL = 0x53,
+ MLX5_GENERAL_OBJECT_TYPES_PCIE_CONG_EVENT = 0x58,
MLX5_GENERAL_OBJECT_TYPES_FLOW_TABLE_ALIAS = 0xff15,
};
@@ -12526,6 +12527,8 @@ enum {
enum {
MLX5_HCA_CAP_2_GENERAL_OBJECT_TYPES_RDMA_CTRL =
BIT_ULL(MLX5_GENERAL_OBJECT_TYPES_RDMA_CTRL - 0x40),
+ MLX5_HCA_CAP_2_GENERAL_OBJECT_TYPES_PCIE_CONG_EVENT =
+ BIT_ULL(MLX5_GENERAL_OBJECT_TYPES_PCIE_CONG_EVENT - 0x40),
};
enum {
@@ -13284,4 +13287,41 @@ struct mlx5_ifc_mrtcq_reg_bits {
u8 reserved_at_80[0x180];
};
+struct mlx5_ifc_pcie_cong_event_obj_bits {
+ u8 modify_select_field[0x40];
+
+ u8 inbound_event_en[0x1];
+ u8 outbound_event_en[0x1];
+ u8 reserved_at_42[0x1e];
+
+ u8 reserved_at_60[0x1];
+ u8 inbound_cong_state[0x3];
+ u8 reserved_at_64[0x1];
+ u8 outbound_cong_state[0x3];
+ u8 reserved_at_68[0x18];
+
+ u8 inbound_cong_low_threshold[0x10];
+ u8 inbound_cong_high_threshold[0x10];
+
+ u8 outbound_cong_low_threshold[0x10];
+ u8 outbound_cong_high_threshold[0x10];
+
+ u8 reserved_at_e0[0x340];
+};
+
+struct mlx5_ifc_pcie_cong_event_cmd_in_bits {
+ struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr;
+ struct mlx5_ifc_pcie_cong_event_obj_bits cong_obj;
+};
+
+struct mlx5_ifc_pcie_cong_event_cmd_out_bits {
+ struct mlx5_ifc_general_obj_out_cmd_hdr_bits hdr;
+ struct mlx5_ifc_pcie_cong_event_obj_bits cong_obj;
+};
+
+enum mlx5e_pcie_cong_event_mod_field {
+ MLX5_PCIE_CONG_EVENT_MOD_EVENT_EN = BIT(0),
+ MLX5_PCIE_CONG_EVENT_MOD_THRESH = BIT(2),
+};
+
#endif /* MLX5_IFC_H */
--
2.34.1
next prev parent reply other threads:[~2025-06-19 11:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-19 11:37 [PATCH net-next 0/5] net/mlx5e: Add support for PCIe congestion events Mark Bloch
2025-06-19 11:37 ` [PATCH mlx5-next 1/5] net/mlx5: Small refactor for general object capabilities Mark Bloch
2025-06-19 11:37 ` Mark Bloch [this message]
2025-06-19 11:37 ` [PATCH net-next 3/5] net/mlx5e: Create/destroy PCIe Congestion Event object Mark Bloch
2025-06-19 11:37 ` [PATCH net-next 4/5] net/mlx5e: Add device PCIe congestion ethtool stats Mark Bloch
2025-06-19 11:37 ` [PATCH net-next 5/5] net/mlx5e: Make PCIe congestion event thresholds configurable Mark Bloch
2025-06-19 14:55 ` [PATCH net-next 0/5] net/mlx5e: Add support for PCIe congestion events Jakub Kicinski
2025-06-19 16:00 ` Mark Bloch
2025-06-19 19:19 ` Saeed Mahameed
2025-06-19 22:22 ` Jakub Kicinski
2025-06-25 11:37 ` Leon Romanovsky
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