forked from mirrors/linux
IB/mlx5: Add proper representors support
This commit adds full support for IB representor: 1) Representors profile, We add two new profiles: nic_rep_profile - This profile will be used to create an IB device that represents the PF/UPLINK. rep_profile - This profile will be used to create an IB device that represents VFs. Each VF will be its own representor. 2) Proper load/unload callbacks, Those are called by the E-Switch when moving to/from switchdev mode. 3) Different flow DB handling for when we in switchdev mode. Signed-off-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Mark Bloch
Saeed Mahameed
parent
b96c9dde17
commit
b5ca15ad7e
4 changed files with 192 additions and 30 deletions
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@ -5,6 +5,42 @@
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#include "ib_rep.h"
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static const struct mlx5_ib_profile rep_profile = {
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STAGE_CREATE(MLX5_IB_STAGE_INIT,
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mlx5_ib_stage_init_init,
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mlx5_ib_stage_init_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_FLOW_DB,
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mlx5_ib_stage_rep_flow_db_init,
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NULL),
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STAGE_CREATE(MLX5_IB_STAGE_CAPS,
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mlx5_ib_stage_caps_init,
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NULL),
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STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB,
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mlx5_ib_stage_rep_non_default_cb,
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NULL),
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STAGE_CREATE(MLX5_IB_STAGE_ROCE,
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mlx5_ib_stage_rep_roce_init,
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mlx5_ib_stage_rep_roce_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES,
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mlx5_ib_stage_dev_res_init,
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mlx5_ib_stage_dev_res_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_COUNTERS,
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mlx5_ib_stage_counters_init,
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mlx5_ib_stage_counters_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_BFREG,
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mlx5_ib_stage_bfrag_init,
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mlx5_ib_stage_bfrag_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_IB_REG,
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mlx5_ib_stage_ib_reg_init,
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mlx5_ib_stage_ib_reg_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_UMR_RESOURCES,
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mlx5_ib_stage_umr_res_init,
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mlx5_ib_stage_umr_res_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_CLASS_ATTR,
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mlx5_ib_stage_class_attr_init,
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NULL),
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};
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static int
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mlx5_ib_nic_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
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{
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@ -14,17 +50,41 @@ mlx5_ib_nic_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
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static void
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mlx5_ib_nic_rep_unload(struct mlx5_eswitch_rep *rep)
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{
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rep->rep_if[REP_IB].priv = NULL;
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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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struct mlx5_ib_dev *ibdev;
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ibdev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*ibdev));
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if (!ibdev)
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return -ENOMEM;
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ibdev->rep = rep;
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ibdev->mdev = dev;
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ibdev->num_ports = max(MLX5_CAP_GEN(dev, num_ports),
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MLX5_CAP_GEN(dev, num_vhca_ports));
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if (!__mlx5_ib_add(ibdev, &rep_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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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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@ -98,6 +158,11 @@ struct net_device *mlx5_ib_get_rep_netdev(struct mlx5_eswitch *esw,
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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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@ -13,6 +13,7 @@
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u8 mlx5_ib_eswitch_mode(struct mlx5_eswitch *esw);
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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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struct mlx5_ib_dev *mlx5_ib_get_uplink_ibdev(struct mlx5_eswitch *esw);
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struct mlx5_eswitch_rep *mlx5_ib_vport_rep(struct mlx5_eswitch *esw,
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int vport_index);
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void mlx5_ib_register_vport_reps(struct mlx5_ib_dev *dev);
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@ -34,6 +35,12 @@ struct mlx5_ib_dev *mlx5_ib_get_rep_ibdev(struct mlx5_eswitch *esw,
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return NULL;
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}
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static inline
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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 NULL;
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}
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static inline
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struct mlx5_eswitch_rep *mlx5_ib_vport_rep(struct mlx5_eswitch *esw,
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int vport_index)
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@ -4554,7 +4554,7 @@ static void mlx5_ib_cleanup_multiport_master(struct mlx5_ib_dev *dev)
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mlx5_nic_vport_disable_roce(dev->mdev);
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}
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static void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev)
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void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev)
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{
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mlx5_ib_cleanup_multiport_master(dev);
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#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
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@ -4563,7 +4563,7 @@ static void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev)
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kfree(dev->port);
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}
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static int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev)
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int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev)
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{
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struct mlx5_core_dev *mdev = dev->mdev;
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const char *name;
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@ -4647,12 +4647,26 @@ static int mlx5_ib_stage_flow_db_init(struct mlx5_ib_dev *dev)
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return 0;
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}
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int mlx5_ib_stage_rep_flow_db_init(struct mlx5_ib_dev *dev)
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{
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struct mlx5_ib_dev *nic_dev;
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nic_dev = mlx5_ib_get_uplink_ibdev(dev->mdev->priv.eswitch);
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if (!nic_dev)
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return -EINVAL;
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dev->flow_db = nic_dev->flow_db;
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return 0;
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}
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static void mlx5_ib_stage_flow_db_cleanup(struct mlx5_ib_dev *dev)
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{
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kfree(dev->flow_db);
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}
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static int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev)
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int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev)
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{
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struct mlx5_core_dev *mdev = dev->mdev;
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int err;
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@ -4793,7 +4807,7 @@ static int mlx5_ib_stage_non_default_cb(struct mlx5_ib_dev *dev)
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return 0;
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}
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static int mlx5_ib_stage_rep_non_default_cb(struct mlx5_ib_dev *dev)
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int mlx5_ib_stage_rep_non_default_cb(struct mlx5_ib_dev *dev)
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{
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dev->ib_dev.get_port_immutable = mlx5_port_rep_immutable;
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dev->ib_dev.query_port = mlx5_ib_rep_query_port;
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@ -4905,12 +4919,12 @@ static void mlx5_ib_stage_roce_cleanup(struct mlx5_ib_dev *dev)
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}
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}
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static int mlx5_ib_stage_dev_res_init(struct mlx5_ib_dev *dev)
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int mlx5_ib_stage_dev_res_init(struct mlx5_ib_dev *dev)
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{
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return create_dev_resources(&dev->devr);
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}
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static void mlx5_ib_stage_dev_res_cleanup(struct mlx5_ib_dev *dev)
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void mlx5_ib_stage_dev_res_cleanup(struct mlx5_ib_dev *dev)
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{
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destroy_dev_resources(&dev->devr);
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}
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@ -4922,7 +4936,7 @@ static int mlx5_ib_stage_odp_init(struct mlx5_ib_dev *dev)
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return mlx5_ib_odp_init_one(dev);
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}
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static int mlx5_ib_stage_counters_init(struct mlx5_ib_dev *dev)
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int mlx5_ib_stage_counters_init(struct mlx5_ib_dev *dev)
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{
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if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) {
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dev->ib_dev.get_hw_stats = mlx5_ib_get_hw_stats;
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@ -4934,7 +4948,7 @@ static int mlx5_ib_stage_counters_init(struct mlx5_ib_dev *dev)
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return 0;
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}
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static void mlx5_ib_stage_counters_cleanup(struct mlx5_ib_dev *dev)
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void mlx5_ib_stage_counters_cleanup(struct mlx5_ib_dev *dev)
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{
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if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt))
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mlx5_ib_dealloc_counters(dev);
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@ -4965,7 +4979,7 @@ static void mlx5_ib_stage_uar_cleanup(struct mlx5_ib_dev *dev)
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mlx5_put_uars_page(dev->mdev, dev->mdev->priv.uar);
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}
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static int mlx5_ib_stage_bfrag_init(struct mlx5_ib_dev *dev)
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int mlx5_ib_stage_bfrag_init(struct mlx5_ib_dev *dev)
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{
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int err;
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@ -4980,28 +4994,28 @@ static int mlx5_ib_stage_bfrag_init(struct mlx5_ib_dev *dev)
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return err;
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}
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static void mlx5_ib_stage_bfrag_cleanup(struct mlx5_ib_dev *dev)
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void mlx5_ib_stage_bfrag_cleanup(struct mlx5_ib_dev *dev)
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{
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mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg);
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mlx5_free_bfreg(dev->mdev, &dev->bfreg);
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}
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static int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev)
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int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev)
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{
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return ib_register_device(&dev->ib_dev, NULL);
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}
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static void mlx5_ib_stage_ib_reg_cleanup(struct mlx5_ib_dev *dev)
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void mlx5_ib_stage_ib_reg_cleanup(struct mlx5_ib_dev *dev)
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{
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ib_unregister_device(&dev->ib_dev);
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}
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static int mlx5_ib_stage_umr_res_init(struct mlx5_ib_dev *dev)
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int mlx5_ib_stage_umr_res_init(struct mlx5_ib_dev *dev)
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{
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return create_umr_res(dev);
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}
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static void mlx5_ib_stage_umr_res_cleanup(struct mlx5_ib_dev *dev)
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void mlx5_ib_stage_umr_res_cleanup(struct mlx5_ib_dev *dev)
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{
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destroy_umrc_res(dev);
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}
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@ -5018,7 +5032,7 @@ static void mlx5_ib_stage_delay_drop_cleanup(struct mlx5_ib_dev *dev)
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cancel_delay_drop(dev);
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}
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static int mlx5_ib_stage_class_attr_init(struct mlx5_ib_dev *dev)
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int mlx5_ib_stage_class_attr_init(struct mlx5_ib_dev *dev)
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{
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int err;
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int i;
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@ -5045,9 +5059,9 @@ static void mlx5_ib_stage_rep_reg_cleanup(struct mlx5_ib_dev *dev)
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mlx5_ib_unregister_vport_reps(dev);
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}
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static void __mlx5_ib_remove(struct mlx5_ib_dev *dev,
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const struct mlx5_ib_profile *profile,
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int stage)
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void __mlx5_ib_remove(struct mlx5_ib_dev *dev,
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const struct mlx5_ib_profile *profile,
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int stage)
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{
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/* Number of stages to cleanup */
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while (stage) {
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@ -5061,23 +5075,14 @@ static void __mlx5_ib_remove(struct mlx5_ib_dev *dev,
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static void *mlx5_ib_add_slave_port(struct mlx5_core_dev *mdev, u8 port_num);
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static void *__mlx5_ib_add(struct mlx5_core_dev *mdev,
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const struct mlx5_ib_profile *profile)
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void *__mlx5_ib_add(struct mlx5_ib_dev *dev,
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const struct mlx5_ib_profile *profile)
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{
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struct mlx5_ib_dev *dev;
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int err;
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int i;
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printk_once(KERN_INFO "%s", mlx5_version);
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dev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*dev));
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if (!dev)
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return NULL;
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dev->mdev = mdev;
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dev->num_ports = max(MLX5_CAP_GEN(mdev, num_ports),
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MLX5_CAP_GEN(mdev, num_vhca_ports));
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for (i = 0; i < MLX5_IB_STAGE_MAX; i++) {
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if (profile->stage[i].init) {
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err = profile->stage[i].init(dev);
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@ -5145,6 +5150,48 @@ static const struct mlx5_ib_profile pf_profile = {
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NULL),
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};
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static const struct mlx5_ib_profile nic_rep_profile = {
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STAGE_CREATE(MLX5_IB_STAGE_INIT,
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mlx5_ib_stage_init_init,
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mlx5_ib_stage_init_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_FLOW_DB,
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mlx5_ib_stage_flow_db_init,
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mlx5_ib_stage_flow_db_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_CAPS,
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mlx5_ib_stage_caps_init,
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NULL),
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STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB,
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mlx5_ib_stage_rep_non_default_cb,
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NULL),
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STAGE_CREATE(MLX5_IB_STAGE_ROCE,
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mlx5_ib_stage_rep_roce_init,
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mlx5_ib_stage_rep_roce_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES,
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mlx5_ib_stage_dev_res_init,
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mlx5_ib_stage_dev_res_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_COUNTERS,
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mlx5_ib_stage_counters_init,
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mlx5_ib_stage_counters_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_UAR,
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mlx5_ib_stage_uar_init,
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mlx5_ib_stage_uar_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_BFREG,
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mlx5_ib_stage_bfrag_init,
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mlx5_ib_stage_bfrag_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_IB_REG,
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mlx5_ib_stage_ib_reg_init,
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mlx5_ib_stage_ib_reg_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_UMR_RESOURCES,
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mlx5_ib_stage_umr_res_init,
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mlx5_ib_stage_umr_res_cleanup),
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STAGE_CREATE(MLX5_IB_STAGE_CLASS_ATTR,
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mlx5_ib_stage_class_attr_init,
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NULL),
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STAGE_CREATE(MLX5_IB_STAGE_REP_REG,
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mlx5_ib_stage_rep_reg_init,
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mlx5_ib_stage_rep_reg_cleanup),
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};
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static void *mlx5_ib_add_slave_port(struct mlx5_core_dev *mdev, u8 port_num)
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{
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struct mlx5_ib_multiport_info *mpi;
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@ -5190,8 +5237,11 @@ static void *mlx5_ib_add_slave_port(struct mlx5_core_dev *mdev, u8 port_num)
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static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
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{
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enum rdma_link_layer ll;
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struct mlx5_ib_dev *dev;
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int port_type_cap;
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printk_once(KERN_INFO "%s", mlx5_version);
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port_type_cap = MLX5_CAP_GEN(mdev, port_type);
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ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap);
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@ -5201,7 +5251,22 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
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return mlx5_ib_add_slave_port(mdev, port_num);
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}
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return __mlx5_ib_add(mdev, &pf_profile);
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dev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*dev));
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if (!dev)
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return NULL;
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dev->mdev = mdev;
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dev->num_ports = max(MLX5_CAP_GEN(mdev, num_ports),
|
||||
MLX5_CAP_GEN(mdev, num_vhca_ports));
|
||||
|
||||
if (MLX5_VPORT_MANAGER(mdev) &&
|
||||
mlx5_ib_eswitch_mode(mdev->priv.eswitch) == SRIOV_OFFLOADS) {
|
||||
dev->rep = mlx5_ib_vport_rep(mdev->priv.eswitch, 0);
|
||||
|
||||
return __mlx5_ib_add(dev, &nic_rep_profile);
|
||||
}
|
||||
|
||||
return __mlx5_ib_add(dev, &pf_profile);
|
||||
}
|
||||
|
||||
static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context)
|
||||
|
|
|
|||
|
|
@ -1054,6 +1054,31 @@ static inline void mlx5_odp_populate_klm(struct mlx5_klm *pklm, size_t offset,
|
|||
|
||||
#endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
|
||||
|
||||
/* Needed for rep profile */
|
||||
int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev);
|
||||
void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev);
|
||||
int mlx5_ib_stage_rep_flow_db_init(struct mlx5_ib_dev *dev);
|
||||
int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev);
|
||||
int mlx5_ib_stage_rep_non_default_cb(struct mlx5_ib_dev *dev);
|
||||
int mlx5_ib_stage_rep_roce_init(struct mlx5_ib_dev *dev);
|
||||
void mlx5_ib_stage_rep_roce_cleanup(struct mlx5_ib_dev *dev);
|
||||
int mlx5_ib_stage_dev_res_init(struct mlx5_ib_dev *dev);
|
||||
void mlx5_ib_stage_dev_res_cleanup(struct mlx5_ib_dev *dev);
|
||||
int mlx5_ib_stage_counters_init(struct mlx5_ib_dev *dev);
|
||||
void mlx5_ib_stage_counters_cleanup(struct mlx5_ib_dev *dev);
|
||||
int mlx5_ib_stage_bfrag_init(struct mlx5_ib_dev *dev);
|
||||
void mlx5_ib_stage_bfrag_cleanup(struct mlx5_ib_dev *dev);
|
||||
int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev);
|
||||
void mlx5_ib_stage_ib_reg_cleanup(struct mlx5_ib_dev *dev);
|
||||
int mlx5_ib_stage_umr_res_init(struct mlx5_ib_dev *dev);
|
||||
void mlx5_ib_stage_umr_res_cleanup(struct mlx5_ib_dev *dev);
|
||||
int mlx5_ib_stage_class_attr_init(struct mlx5_ib_dev *dev);
|
||||
void __mlx5_ib_remove(struct mlx5_ib_dev *dev,
|
||||
const struct mlx5_ib_profile *profile,
|
||||
int stage);
|
||||
void *__mlx5_ib_add(struct mlx5_ib_dev *dev,
|
||||
const struct mlx5_ib_profile *profile);
|
||||
|
||||
int mlx5_ib_get_vf_config(struct ib_device *device, int vf,
|
||||
u8 port, struct ifla_vf_info *info);
|
||||
int mlx5_ib_set_vf_link_state(struct ib_device *device, int vf,
|
||||
|
|
|
|||
Loading…
Reference in a new issue