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Commit 1f324bff authored by Eli Cohen's avatar Eli Cohen Committed by Doug Ledford
Browse files

net/mlx5_core: Implement modify HCA vport command 



Implement the modify HCA vport commands used to modify the parameters of
virtual HCA's ports.

Signed-off-by: default avatarEli Cohen <eli@mellanox.com>
Reviewed-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 2a4826fe

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

+6 −0
Original line number Diff line number Diff line
@@ -407,6 +407,12 @@ static int mlx5_internal_err_ret_value(struct mlx5_core_dev *dev, u16 op, 
const char *mlx5_command_str(int command)

{

	switch (command) {

	case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT:

		return "QUERY_HCA_VPORT_CONTEXT";



	case MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT:

		return "MODIFY_HCA_VPORT_CONTEXT";



	case MLX5_CMD_OP_QUERY_HCA_CAP:

		return "QUERY_HCA_CAP";

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

+67 −0
Original line number Diff line number Diff line
@@ -891,3 +891,70 @@ int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport, 
	return err;

}

EXPORT_SYMBOL_GPL(mlx5_core_query_vport_counter);



int mlx5_core_modify_hca_vport_context(struct mlx5_core_dev *dev,

				       u8 other_vport, u8 port_num,

				       int vf,

				       struct mlx5_hca_vport_context *req)

{

	int in_sz = MLX5_ST_SZ_BYTES(modify_hca_vport_context_in);

	u8 out[MLX5_ST_SZ_BYTES(modify_hca_vport_context_out)];

	int is_group_manager;

	void *in;

	int err;

	void *ctx;



	mlx5_core_dbg(dev, "vf %d\n", vf);

	is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);

	in = kzalloc(in_sz, GFP_KERNEL);

	if (!in)

		return -ENOMEM;



	memset(out, 0, sizeof(out));

	MLX5_SET(modify_hca_vport_context_in, in, opcode, MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT);

	if (other_vport) {

		if (is_group_manager) {

			MLX5_SET(modify_hca_vport_context_in, in, other_vport, 1);

			MLX5_SET(modify_hca_vport_context_in, in, vport_number, vf);

		} else {

			err = -EPERM;

			goto ex;

		}

	}



	if (MLX5_CAP_GEN(dev, num_ports) > 1)

		MLX5_SET(modify_hca_vport_context_in, in, port_num, port_num);



	ctx = MLX5_ADDR_OF(modify_hca_vport_context_in, in, hca_vport_context);

	MLX5_SET(hca_vport_context, ctx, field_select, req->field_select);

	MLX5_SET(hca_vport_context, ctx, sm_virt_aware, req->sm_virt_aware);

	MLX5_SET(hca_vport_context, ctx, has_smi, req->has_smi);

	MLX5_SET(hca_vport_context, ctx, has_raw, req->has_raw);

	MLX5_SET(hca_vport_context, ctx, vport_state_policy, req->policy);

	MLX5_SET(hca_vport_context, ctx, port_physical_state, req->phys_state);

	MLX5_SET(hca_vport_context, ctx, vport_state, req->vport_state);

	MLX5_SET64(hca_vport_context, ctx, port_guid, req->port_guid);

	MLX5_SET64(hca_vport_context, ctx, node_guid, req->node_guid);

	MLX5_SET(hca_vport_context, ctx, cap_mask1, req->cap_mask1);

	MLX5_SET(hca_vport_context, ctx, cap_mask1_field_select, req->cap_mask1_perm);

	MLX5_SET(hca_vport_context, ctx, cap_mask2, req->cap_mask2);

	MLX5_SET(hca_vport_context, ctx, cap_mask2_field_select, req->cap_mask2_perm);

	MLX5_SET(hca_vport_context, ctx, lid, req->lid);

	MLX5_SET(hca_vport_context, ctx, init_type_reply, req->init_type_reply);

	MLX5_SET(hca_vport_context, ctx, lmc, req->lmc);

	MLX5_SET(hca_vport_context, ctx, subnet_timeout, req->subnet_timeout);

	MLX5_SET(hca_vport_context, ctx, sm_lid, req->sm_lid);

	MLX5_SET(hca_vport_context, ctx, sm_sl, req->sm_sl);

	MLX5_SET(hca_vport_context, ctx, qkey_violation_counter, req->qkey_violation_counter);

	MLX5_SET(hca_vport_context, ctx, pkey_violation_counter, req->pkey_violation_counter);

	err = mlx5_cmd_exec(dev, in, in_sz, out, sizeof(out));

	if (err)

		goto ex;



	err = mlx5_cmd_status_to_err_v2(out);



ex:

	kfree(in);

	return err;

}

EXPORT_SYMBOL_GPL(mlx5_core_modify_hca_vport_context);

include/linux/mlx5/vport.h

+4 −0
Original line number Diff line number Diff line
@@ -95,5 +95,9 @@ int mlx5_nic_vport_disable_roce(struct mlx5_core_dev *mdev); 
int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport,

				  int vf, u8 port_num, void *out,

				  size_t out_sz);

int mlx5_core_modify_hca_vport_context(struct mlx5_core_dev *dev,

				       u8 other_vport, u8 port_num,

				       int vf,

				       struct mlx5_hca_vport_context *req);



#endif /* __MLX5_VPORT_H__ */