c9f432b7ba
Update the OFED Infiniband core to the version supplied in Linux
version 3.7.
The update to OFED is nearly all additional defines and functions
with the exception of the addition of additional parameters to
ib_register_device() and the reg_user_mr callback.
In addition the ibcore (Infiniband core) and ipoib (IP over Infiniband)
have both been made into completely loadable modules to facilitate
testing of the OFED stack in FreeBSD.
Finally the Mellanox Infiniband drivers are now updated to the
latest version shipping with Linux 3.7.
Submitted by: Mellanox FreeBSD driver team:
Oded Shanoon (odeds mellanox.com),
Meny Yossefi (menyy mellanox.com),
Orit Moskovich (oritm mellanox.com)
Approved by: re
161 lines
4.4 KiB
C
161 lines
4.4 KiB
C
/*
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* Copyright (c) 2007 Mellanox Technologies. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#include <linux/errno.h>
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#include <linux/if_ether.h>
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#include <linux/mlx4/cmd.h>
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#include "mlx4.h"
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int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
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enum mlx4_port_type *type)
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{
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u64 out_param;
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int err = 0;
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err = mlx4_cmd_imm(dev, 0, &out_param, port, 0,
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MLX4_CMD_SENSE_PORT, MLX4_CMD_TIME_CLASS_B,
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MLX4_CMD_WRAPPED);
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if (err) {
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mlx4_err(dev, "Sense command failed for port: %d\n", port);
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return err;
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}
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if (out_param > 2) {
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mlx4_err(dev, "Sense returned illegal value: 0x%llx\n", out_param);
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return -EINVAL;
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}
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*type = out_param;
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return 0;
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}
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void mlx4_do_sense_ports(struct mlx4_dev *dev,
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enum mlx4_port_type *stype,
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enum mlx4_port_type *defaults)
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{
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struct mlx4_sense *sense = &mlx4_priv(dev)->sense;
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int err;
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int i;
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for (i = 1; i <= dev->caps.num_ports; i++) {
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stype[i - 1] = 0;
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if (sense->do_sense_port[i] && sense->sense_allowed[i] &&
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dev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) {
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err = mlx4_SENSE_PORT(dev, i, &stype[i - 1]);
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if (err)
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stype[i - 1] = defaults[i - 1];
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} else
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stype[i - 1] = defaults[i - 1];
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}
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/*
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* If sensed nothing, remain in current configuration.
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*/
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for (i = 0; i < dev->caps.num_ports; i++)
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stype[i] = stype[i] ? stype[i] : defaults[i];
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}
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static void mlx4_sense_port(struct work_struct *work)
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{
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struct delayed_work *delay = to_delayed_work(work);
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struct mlx4_sense *sense = container_of(delay, struct mlx4_sense,
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sense_poll);
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struct mlx4_dev *dev = sense->dev;
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struct mlx4_priv *priv = mlx4_priv(dev);
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enum mlx4_port_type stype[MLX4_MAX_PORTS];
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mutex_lock(&priv->port_mutex);
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mlx4_do_sense_ports(dev, stype, &dev->caps.port_type[1]);
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if (mlx4_check_port_params(dev, stype))
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goto sense_again;
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if (mlx4_change_port_types(dev, stype))
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mlx4_err(dev, "Failed to change port_types\n");
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sense_again:
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mutex_unlock(&priv->port_mutex);
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if (sense->resched)
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queue_delayed_work(sense->sense_wq , &sense->sense_poll,
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round_jiffies(MLX4_SENSE_RANGE));
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}
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void mlx4_start_sense(struct mlx4_dev *dev)
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{
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struct mlx4_priv *priv = mlx4_priv(dev);
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struct mlx4_sense *sense = &priv->sense;
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if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP))
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return;
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sense->resched = 1;
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queue_delayed_work(sense->sense_wq , &sense->sense_poll,
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round_jiffies(MLX4_SENSE_RANGE));
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}
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void mlx4_stop_sense(struct mlx4_dev *dev)
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{
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mlx4_priv(dev)->sense.resched = 0;
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}
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void mlx4_sense_cleanup(struct mlx4_dev *dev)
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{
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mlx4_stop_sense(dev);
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cancel_delayed_work(&mlx4_priv(dev)->sense.sense_poll);
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destroy_workqueue(mlx4_priv(dev)->sense.sense_wq);
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}
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int mlx4_sense_init(struct mlx4_dev *dev)
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{
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struct mlx4_priv *priv = mlx4_priv(dev);
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struct mlx4_sense *sense = &priv->sense;
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int port;
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sense->dev = dev;
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sense->sense_wq = create_singlethread_workqueue("mlx4_sense");
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if (!sense->sense_wq)
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return -ENOMEM;
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for (port = 1; port <= dev->caps.num_ports; port++)
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sense->do_sense_port[port] = 1;
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INIT_DEFERRABLE_WORK(&sense->sense_poll, mlx4_sense_port);
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return 0;
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}
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