Linux RDMA and InfiniBand development
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From: Tariq Toukan <tariqt@nvidia.com>
To: Saeed Mahameed <saeedm@nvidia.com>,
	Leon Romanovsky <leonro@nvidia.com>,
	Jason Gunthorpe <jgg@nvidia.com>
Cc: <netdev@vger.kernel.org>, <linux-rdma@vger.kernel.org>,
	Jakub Kicinski <kuba@kernel.org>, Gal Pressman <gal@nvidia.com>,
	Mark Bloch <mbloch@nvidia.com>, Moshe Shemesh <moshe@nvidia.com>,
	Jianbo Liu <jianbol@nvidia.com>,
	Dragos Tatulea <dtatulea@nvidia.com>,
	Tariq Toukan <tariqt@nvidia.com>
Subject: [PATCH mlx5-next 2/4] net/mlx5: Add support for MRTCQ register
Date: Thu, 9 Jan 2025 22:42:29 +0200	[thread overview]
Message-ID: <20250109204231.1809851-3-tariqt@nvidia.com> (raw)
In-Reply-To: <20250109204231.1809851-1-tariqt@nvidia.com>

From: Jianbo Liu <jianbol@nvidia.com>

Management Real Time Clock Query (MRTCQ) register is used to query
hardware clock identity.

Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
---
 include/linux/mlx5/driver.h   |  1 +
 include/linux/mlx5/mlx5_ifc.h | 11 ++++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index fc7e6153b73d..8f6fe29bc4be 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -160,6 +160,7 @@ enum {
 	MLX5_REG_MIRC		 = 0x9162,
 	MLX5_REG_MTPTM		 = 0x9180,
 	MLX5_REG_MTCTR		 = 0x9181,
+	MLX5_REG_MRTCQ		 = 0x9182,
 	MLX5_REG_SBCAM		 = 0xB01F,
 	MLX5_REG_RESOURCE_DUMP   = 0xC000,
 	MLX5_REG_DTOR            = 0xC00E,
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index c3da1581853c..221146278ac8 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -10680,7 +10680,8 @@ struct mlx5_ifc_mcam_access_reg_bits3 {
 
 	u8         regs_63_to_32[0x20];
 
-	u8         regs_31_to_2[0x1e];
+	u8         regs_31_to_3[0x1d];
+	u8         mrtcq[0x1];
 	u8         mtctr[0x1];
 	u8         mtptm[0x1];
 };
@@ -13171,4 +13172,12 @@ struct mlx5_ifc_msees_reg_bits {
 	u8         reserved_at_80[0x180];
 };
 
+struct mlx5_ifc_mrtcq_reg_bits {
+	u8         reserved_at_0[0x40];
+
+	u8         rt_clock_identity[0x40];
+
+	u8         reserved_at_80[0x180];
+};
+
 #endif /* MLX5_IFC_H */
-- 
2.45.0


  parent reply	other threads:[~2025-01-09 20:44 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-09 20:42 [PATCH mlx5-next 0/4] mlx5-next updates 2025-01-09 Tariq Toukan
2025-01-09 20:42 ` [PATCH mlx5-next 1/4] net/mlx5: Update mlx5_ifc to support FEC for 200G per lane link modes Tariq Toukan
2025-01-10  1:15   ` Jacob Keller
2025-01-10  3:55   ` Kalesh Anakkur Purayil
2025-01-09 20:42 ` Tariq Toukan [this message]
2025-01-10  1:17   ` [PATCH mlx5-next 2/4] net/mlx5: Add support for MRTCQ register Jacob Keller
2025-01-10  3:55   ` Kalesh Anakkur Purayil
2025-01-09 20:42 ` [PATCH mlx5-next 3/4] net/mlx5: SHAMPO: Introduce new SHAMPO specific HCA caps Tariq Toukan
2025-01-10  1:17   ` Jacob Keller
2025-01-10  3:56   ` Kalesh Anakkur Purayil
2025-01-09 20:42 ` [PATCH mlx5-next 4/4] net/mlx5: Add nic_cap_reg and vhca_icm_ctrl registers Tariq Toukan
2025-01-10  1:18   ` Jacob Keller
2025-01-10  3:57   ` Kalesh Anakkur Purayil
2025-01-12  8:58 ` [PATCH mlx5-next 0/4] mlx5-next updates 2025-01-09 Leon Romanovsky

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