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// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
* Copyright (c) 2018 Mellanox Technologies. All rights reserved.
*/
#include "ib_rep.h"
static const struct mlx5_ib_profile rep_profile = {
STAGE_CREATE(MLX5_IB_STAGE_INIT,
mlx5_ib_stage_init_init,
mlx5_ib_stage_init_cleanup),
STAGE_CREATE(MLX5_IB_STAGE_FLOW_DB,
mlx5_ib_stage_rep_flow_db_init,
NULL),
STAGE_CREATE(MLX5_IB_STAGE_CAPS,
mlx5_ib_stage_caps_init,
NULL),
STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB,
mlx5_ib_stage_rep_non_default_cb,
NULL),
STAGE_CREATE(MLX5_IB_STAGE_ROCE,
mlx5_ib_stage_rep_roce_init,
mlx5_ib_stage_rep_roce_cleanup),
STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES,
mlx5_ib_stage_dev_res_init,
mlx5_ib_stage_dev_res_cleanup),
STAGE_CREATE(MLX5_IB_STAGE_COUNTERS,
mlx5_ib_stage_counters_init,
mlx5_ib_stage_counters_cleanup),
STAGE_CREATE(MLX5_IB_STAGE_BFREG,
mlx5_ib_stage_bfrag_init,
mlx5_ib_stage_bfrag_cleanup),
STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR,
NULL,
mlx5_ib_stage_pre_ib_reg_umr_cleanup),
STAGE_CREATE(MLX5_IB_STAGE_IB_REG,
mlx5_ib_stage_ib_reg_init,
mlx5_ib_stage_ib_reg_cleanup),
STAGE_CREATE(MLX5_IB_STAGE_POST_IB_REG_UMR,
mlx5_ib_stage_post_ib_reg_umr_init,
NULL),
STAGE_CREATE(MLX5_IB_STAGE_CLASS_ATTR,
mlx5_ib_stage_class_attr_init,
NULL),
};
static int
mlx5_ib_nic_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
{
return 0;
}
static void
mlx5_ib_nic_rep_unload(struct mlx5_eswitch_rep *rep)
{
rep->rep_if[REP_IB].priv = NULL;
}
static int
mlx5_ib_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
{
struct mlx5_ib_dev *ibdev;
ibdev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*ibdev));
if (!ibdev)
return -ENOMEM;
ibdev->rep = rep;
ibdev->mdev = dev;
ibdev->num_ports = max(MLX5_CAP_GEN(dev, num_ports),
MLX5_CAP_GEN(dev, num_vhca_ports));
if (!__mlx5_ib_add(ibdev, &rep_profile)) {
ib_dealloc_device(&ibdev->ib_dev);
return -EINVAL;
}
rep->rep_if[REP_IB].priv = ibdev;
return 0;
}
static void
mlx5_ib_vport_rep_unload(struct mlx5_eswitch_rep *rep)
{
struct mlx5_ib_dev *dev;
if (!rep->rep_if[REP_IB].priv)
return;
dev = mlx5_ib_rep_to_dev(rep);
__mlx5_ib_remove(dev, dev->profile, MLX5_IB_STAGE_MAX);
rep->rep_if[REP_IB].priv = NULL;
}
static void *mlx5_ib_vport_get_proto_dev(struct mlx5_eswitch_rep *rep)
{
return mlx5_ib_rep_to_dev(rep);
}
static void mlx5_ib_rep_register_vf_vports(struct mlx5_ib_dev *dev)
{
struct mlx5_eswitch *esw = dev->mdev->priv.eswitch;
int total_vfs = MLX5_TOTAL_VPORTS(dev->mdev);
int vport;
for (vport = 1; vport < total_vfs; vport++) {
struct mlx5_eswitch_rep_if rep_if = {};
rep_if.load = mlx5_ib_vport_rep_load;
rep_if.unload = mlx5_ib_vport_rep_unload;
rep_if.get_proto_dev = mlx5_ib_vport_get_proto_dev;
mlx5_eswitch_register_vport_rep(esw, vport, &rep_if, REP_IB);
}
}
static void mlx5_ib_rep_unregister_vf_vports(struct mlx5_ib_dev *dev)
{
struct mlx5_eswitch *esw = dev->mdev->priv.eswitch;
int total_vfs = MLX5_TOTAL_VPORTS(dev->mdev);
int vport;
for (vport = 1; vport < total_vfs; vport++)
mlx5_eswitch_unregister_vport_rep(esw, vport, REP_IB);
}
void mlx5_ib_register_vport_reps(struct mlx5_ib_dev *dev)
{
struct mlx5_eswitch *esw = dev->mdev->priv.eswitch;
struct mlx5_eswitch_rep_if rep_if = {};
rep_if.load = mlx5_ib_nic_rep_load;
rep_if.unload = mlx5_ib_nic_rep_unload;
rep_if.get_proto_dev = mlx5_ib_vport_get_proto_dev;
rep_if.priv = dev;
mlx5_eswitch_register_vport_rep(esw, 0, &rep_if, REP_IB);
mlx5_ib_rep_register_vf_vports(dev);
}
void mlx5_ib_unregister_vport_reps(struct mlx5_ib_dev *dev)
{
struct mlx5_eswitch *esw = dev->mdev->priv.eswitch;
mlx5_ib_rep_unregister_vf_vports(dev); /* VFs vports */
mlx5_eswitch_unregister_vport_rep(esw, 0, REP_IB); /* UPLINK PF*/
}
u8 mlx5_ib_eswitch_mode(struct mlx5_eswitch *esw)
{
return mlx5_eswitch_mode(esw);
}
struct mlx5_ib_dev *mlx5_ib_get_rep_ibdev(struct mlx5_eswitch *esw,
int vport_index)
{
return mlx5_eswitch_get_proto_dev(esw, vport_index, REP_IB);
}
struct net_device *mlx5_ib_get_rep_netdev(struct mlx5_eswitch *esw,
int vport_index)
{
return mlx5_eswitch_get_proto_dev(esw, vport_index, REP_ETH);
}
struct mlx5_ib_dev *mlx5_ib_get_uplink_ibdev(struct mlx5_eswitch *esw)
{
return mlx5_eswitch_uplink_get_proto_dev(esw, REP_IB);
}
struct mlx5_eswitch_rep *mlx5_ib_vport_rep(struct mlx5_eswitch *esw, int vport)
{
return mlx5_eswitch_vport_rep(esw, vport);
}
int create_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
struct mlx5_ib_sq *sq)
{
struct mlx5_flow_handle *flow_rule;
struct mlx5_eswitch *esw = dev->mdev->priv.eswitch;
if (!dev->rep)
return 0;
flow_rule =
mlx5_eswitch_add_send_to_vport_rule(esw,
dev->rep->vport,
sq->base.mqp.qpn);
if (IS_ERR(flow_rule))
return PTR_ERR(flow_rule);
sq->flow_rule = flow_rule;
return 0;
}
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