Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9efa7525 authored by Achiad Shochat's avatar Achiad Shochat Committed by Doug Ledford
Browse files

net/mlx5_core: Introduce access functions to query vport RoCE fields 



Introduce access functions to query NIC vport system_image_guid,
node_guid and qkey_viol_cntr.

Signed-off-by: default avatarAchiad Shochat <achiad@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 0de60af6

drivers/net/ethernet/mellanox/mlx5/core/vport.c

+62 −0
Original line number Diff line number Diff line
@@ -103,6 +103,68 @@ void mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev, u8 *addr) 
}

EXPORT_SYMBOL(mlx5_query_nic_vport_mac_address);



int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev,

					   u64 *system_image_guid)

{

	u32 *out;

	int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);



	out = mlx5_vzalloc(outlen);

	if (!out)

		return -ENOMEM;



	mlx5_query_nic_vport_context(mdev, out, outlen);



	*system_image_guid = MLX5_GET64(query_nic_vport_context_out, out,

					nic_vport_context.system_image_guid);



	kfree(out);



	return 0;

}

EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_system_image_guid);



int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid)

{

	u32 *out;

	int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);



	out = mlx5_vzalloc(outlen);

	if (!out)

		return -ENOMEM;



	mlx5_query_nic_vport_context(mdev, out, outlen);



	*node_guid = MLX5_GET64(query_nic_vport_context_out, out,

				nic_vport_context.node_guid);



	kfree(out);



	return 0;

}

EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_node_guid);



int mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev *mdev,

					u16 *qkey_viol_cntr)

{

	u32 *out;

	int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);



	out = mlx5_vzalloc(outlen);

	if (!out)

		return -ENOMEM;



	mlx5_query_nic_vport_context(mdev, out, outlen);



	*qkey_viol_cntr = MLX5_GET(query_nic_vport_context_out, out,

				   nic_vport_context.qkey_violation_counter);



	kfree(out);



	return 0;

}

EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_qkey_viol_cntr);



int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport,

			     u8 port_num, u16  vf_num, u16 gid_index,

			     union ib_gid *gid)

include/linux/mlx5/mlx5_ifc.h

+9 −1
Original line number Diff line number Diff line
@@ -2141,7 +2141,15 @@ struct mlx5_ifc_nic_vport_context_bits { 
	u8         reserved_0[0x1f];

	u8         roce_en[0x1];



	u8         reserved_1[0x760];

	u8         reserved_1[0x120];



	u8         system_image_guid[0x40];

	u8         port_guid[0x40];

	u8         node_guid[0x40];



	u8         reserved_5[0x140];

	u8         qkey_violation_counter[0x10];

	u8         reserved_6[0x430];



	u8         reserved_2[0x5];

	u8         allowed_list_type[0x3];

include/linux/mlx5/vport.h

+5 −0
Original line number Diff line number Diff line
@@ -37,6 +37,11 @@ 


u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod);

void mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev, u8 *addr);

int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev,

					   u64 *system_image_guid);

int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid);

int mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev *mdev,

					u16 *qkey_viol_cntr);

int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport,

			     u8 port_num, u16  vf_num, u16 gid_index,

			     union ib_gid *gid);