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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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fb652d3299
Now that we have a single IB device with multiple ports we can remove the VF representor profile. Signed-off-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
151 lines
3.6 KiB
C
151 lines
3.6 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
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/*
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* Copyright (c) 2018 Mellanox Technologies. All rights reserved.
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*/
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#include <linux/mlx5/vport.h>
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#include "ib_rep.h"
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#include "srq.h"
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static int
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mlx5_ib_set_vport_rep(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
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{
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struct mlx5_ib_dev *ibdev;
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int vport_index;
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ibdev = mlx5_ib_get_uplink_ibdev(dev->priv.eswitch);
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vport_index = ibdev->free_port++;
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ibdev->port[vport_index].rep = rep;
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write_lock(&ibdev->port[vport_index].roce.netdev_lock);
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ibdev->port[vport_index].roce.netdev =
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mlx5_ib_get_rep_netdev(dev->priv.eswitch, rep->vport);
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write_unlock(&ibdev->port[vport_index].roce.netdev_lock);
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return 0;
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}
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static int
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mlx5_ib_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
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{
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int num_ports = MLX5_TOTAL_VPORTS(dev);
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const struct mlx5_ib_profile *profile;
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struct mlx5_ib_dev *ibdev;
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int vport_index;
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if (rep->vport == MLX5_VPORT_UPLINK)
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profile = &uplink_rep_profile;
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else
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return mlx5_ib_set_vport_rep(dev, rep);
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ibdev = ib_alloc_device(mlx5_ib_dev, ib_dev);
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if (!ibdev)
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return -ENOMEM;
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ibdev->port = kcalloc(num_ports, sizeof(*ibdev->port),
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GFP_KERNEL);
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if (!ibdev->port) {
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ib_dealloc_device(&ibdev->ib_dev);
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return -ENOMEM;
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}
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ibdev->is_rep = true;
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vport_index = ibdev->free_port++;
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ibdev->port[vport_index].rep = rep;
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ibdev->port[vport_index].roce.netdev =
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mlx5_ib_get_rep_netdev(dev->priv.eswitch, rep->vport);
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ibdev->mdev = dev;
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ibdev->num_ports = num_ports;
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if (!__mlx5_ib_add(ibdev, profile))
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return -EINVAL;
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rep->rep_if[REP_IB].priv = ibdev;
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return 0;
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}
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static void
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mlx5_ib_vport_rep_unload(struct mlx5_eswitch_rep *rep)
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{
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struct mlx5_ib_dev *dev;
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if (!rep->rep_if[REP_IB].priv ||
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rep->vport != MLX5_VPORT_UPLINK)
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return;
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dev = mlx5_ib_rep_to_dev(rep);
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__mlx5_ib_remove(dev, dev->profile, MLX5_IB_STAGE_MAX);
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rep->rep_if[REP_IB].priv = NULL;
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}
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static void *mlx5_ib_vport_get_proto_dev(struct mlx5_eswitch_rep *rep)
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{
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return mlx5_ib_rep_to_dev(rep);
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}
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void mlx5_ib_register_vport_reps(struct mlx5_core_dev *mdev)
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{
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struct mlx5_eswitch *esw = mdev->priv.eswitch;
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struct mlx5_eswitch_rep_if rep_if = {};
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rep_if.load = mlx5_ib_vport_rep_load;
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rep_if.unload = mlx5_ib_vport_rep_unload;
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rep_if.get_proto_dev = mlx5_ib_vport_get_proto_dev;
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mlx5_eswitch_register_vport_reps(esw, &rep_if, REP_IB);
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}
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void mlx5_ib_unregister_vport_reps(struct mlx5_core_dev *mdev)
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{
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struct mlx5_eswitch *esw = mdev->priv.eswitch;
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mlx5_eswitch_unregister_vport_reps(esw, REP_IB);
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}
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u8 mlx5_ib_eswitch_mode(struct mlx5_eswitch *esw)
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{
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return mlx5_eswitch_mode(esw);
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}
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struct mlx5_ib_dev *mlx5_ib_get_rep_ibdev(struct mlx5_eswitch *esw,
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int vport_index)
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{
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return mlx5_eswitch_get_proto_dev(esw, vport_index, REP_IB);
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}
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struct net_device *mlx5_ib_get_rep_netdev(struct mlx5_eswitch *esw,
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int vport_index)
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{
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return mlx5_eswitch_get_proto_dev(esw, vport_index, REP_ETH);
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}
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struct mlx5_ib_dev *mlx5_ib_get_uplink_ibdev(struct mlx5_eswitch *esw)
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{
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return mlx5_eswitch_uplink_get_proto_dev(esw, REP_IB);
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}
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struct mlx5_eswitch_rep *mlx5_ib_vport_rep(struct mlx5_eswitch *esw, int vport)
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{
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return mlx5_eswitch_vport_rep(esw, vport);
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}
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struct mlx5_flow_handle *create_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
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struct mlx5_ib_sq *sq,
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u16 port)
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{
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struct mlx5_eswitch *esw = dev->mdev->priv.eswitch;
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struct mlx5_eswitch_rep *rep;
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if (!dev->is_rep || !port)
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return NULL;
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if (!dev->port[port - 1].rep)
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return ERR_PTR(-EINVAL);
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rep = dev->port[port - 1].rep;
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return mlx5_eswitch_add_send_to_vport_rule(esw, rep->vport,
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sq->base.mqp.qpn);
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}
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