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From:   Saeed Mahameed <saeed@kernel.org>
To:     Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     linux-kernel@vger.kernel.org, Leon Romanovsky <leonro@nvidia.com>,
        Jason Gunthorpe <jgg@nvidia.com>, Jiri Pirko <jiri@nvidia.com>,
        Saeed Mahameed <saeedm@nvidia.com>
Subject: [PATCH 1/5] mlx5: Add aux dev for ctl interface
Date:   Wed, 18 Oct 2023 01:19:37 -0700
Message-ID: <20231018081941.475277-2-saeed@kernel.org>
In-Reply-To: <20231018081941.475277-1-saeed@kernel.org>
References: <20231018081941.475277-1-saeed@kernel.org>
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From: Saeed Mahameed <saeedm@nvidia.com>

Allow ctl protocol interface auxiliary driver in mlx5.

Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/dev.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
index 7909f378dc93..f0e91793f4ad 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
@@ -215,8 +215,14 @@ enum {
 	MLX5_INTERFACE_PROTOCOL_MPIB,
 
 	MLX5_INTERFACE_PROTOCOL_VNET,
+	MLX5_INTERFACE_PROTOCOL_CTL,
 };
 
+static bool is_ctl_supported(struct mlx5_core_dev *dev)
+{
+	return MLX5_CAP_GEN(dev, uctx_cap);
+}
+
 static const struct mlx5_adev_device {
 	const char *suffix;
 	bool (*is_supported)(struct mlx5_core_dev *dev);
@@ -237,6 +243,8 @@ static const struct mlx5_adev_device {
 					   .is_supported = &is_ib_rep_supported },
 	[MLX5_INTERFACE_PROTOCOL_MPIB] = { .suffix = "multiport",
 					   .is_supported = &is_mp_supported },
+	[MLX5_INTERFACE_PROTOCOL_CTL] = { .suffix = "ctl",
+					  .is_supported = &is_ctl_supported },
 };
 
 int mlx5_adev_idx_alloc(void)
-- 
2.41.0