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From:   Saeed Mahameed <saeed@kernel.org>
To:     Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Jason Gunthorpe <jgg@nvidia.com>,
        Leon Romanovsky <leonro@nvidia.com>,
        Jiri Pirko <jiri@nvidia.com>, Leonid Bloch <lbloch@nvidia.com>,
        Itay Avraham <itayavr@nvidia.com>,
        Jakub Kicinski <kuba@kernel.org>, linux-kernel@vger.kernel.org,
        Saeed Mahameed <saeedm@nvidia.com>
Subject: [PATCH V3 1/5] mlx5: Add aux dev for ctl interface
Date:   Mon, 20 Nov 2023 23:06:15 -0800
Message-ID: <20231121070619.9836-2-saeed@kernel.org>
In-Reply-To: <20231121070619.9836-1-saeed@kernel.org>
References: <20231121070619.9836-1-saeed@kernel.org>
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From: Saeed Mahameed <saeedm@nvidia.com>

Allow ctl protocol interface auxiliary driver in mlx5.

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 cf0477f53dc4..753c11f7050d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
@@ -228,8 +228,14 @@ enum {
 	MLX5_INTERFACE_PROTOCOL_VNET,
 
 	MLX5_INTERFACE_PROTOCOL_DPLL,
+	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);
@@ -252,6 +258,8 @@ static const struct mlx5_adev_device {
 					   .is_supported = &is_mp_supported },
 	[MLX5_INTERFACE_PROTOCOL_DPLL] = { .suffix = "dpll",
 					   .is_supported = &is_dpll_supported },
+	[MLX5_INTERFACE_PROTOCOL_CTL] = { .suffix = "ctl",
+					  .is_supported = &is_ctl_supported },
 };
 
 int mlx5_adev_idx_alloc(void)
-- 
2.42.0