| /* |
| * Copyright (c) 2016, Mellanox Technologies. All rights reserved. |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #include "en.h" |
| |
| /* mlx5e global resources should be placed in this file. |
| * Global resources are common to all the netdevices crated on the same nic. |
| */ |
| |
| int mlx5e_create_tir(struct mlx5_core_dev *mdev, |
| struct mlx5e_tir *tir, u32 *in, int inlen) |
| { |
| int err; |
| |
| err = mlx5_core_create_tir(mdev, in, inlen, &tir->tirn); |
| if (err) |
| return err; |
| |
| list_add(&tir->list, &mdev->mlx5e_res.td.tirs_list); |
| |
| return 0; |
| } |
| |
| void mlx5e_destroy_tir(struct mlx5_core_dev *mdev, |
| struct mlx5e_tir *tir) |
| { |
| mlx5_core_destroy_tir(mdev, tir->tirn); |
| list_del(&tir->list); |
| } |
| |
| static int mlx5e_create_mkey(struct mlx5_core_dev *mdev, u32 pdn, |
| struct mlx5_core_mkey *mkey) |
| { |
| struct mlx5_create_mkey_mbox_in *in; |
| int err; |
| |
| in = mlx5_vzalloc(sizeof(*in)); |
| if (!in) |
| return -ENOMEM; |
| |
| in->seg.flags = MLX5_PERM_LOCAL_WRITE | |
| MLX5_PERM_LOCAL_READ | |
| MLX5_ACCESS_MODE_PA; |
| in->seg.flags_pd = cpu_to_be32(pdn | MLX5_MKEY_LEN64); |
| in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8); |
| |
| err = mlx5_core_create_mkey(mdev, mkey, in, sizeof(*in), NULL, NULL, |
| NULL); |
| |
| kvfree(in); |
| |
| return err; |
| } |
| |
| int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev) |
| { |
| struct mlx5e_resources *res = &mdev->mlx5e_res; |
| int err; |
| |
| err = mlx5_alloc_map_uar(mdev, &res->cq_uar, false); |
| if (err) { |
| mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err); |
| return err; |
| } |
| |
| err = mlx5_core_alloc_pd(mdev, &res->pdn); |
| if (err) { |
| mlx5_core_err(mdev, "alloc pd failed, %d\n", err); |
| goto err_unmap_free_uar; |
| } |
| |
| err = mlx5_core_alloc_transport_domain(mdev, &res->td.tdn); |
| if (err) { |
| mlx5_core_err(mdev, "alloc td failed, %d\n", err); |
| goto err_dealloc_pd; |
| } |
| |
| err = mlx5e_create_mkey(mdev, res->pdn, &res->mkey); |
| if (err) { |
| mlx5_core_err(mdev, "create mkey failed, %d\n", err); |
| goto err_dealloc_transport_domain; |
| } |
| |
| INIT_LIST_HEAD(&mdev->mlx5e_res.td.tirs_list); |
| |
| return 0; |
| |
| err_dealloc_transport_domain: |
| mlx5_core_dealloc_transport_domain(mdev, res->td.tdn); |
| err_dealloc_pd: |
| mlx5_core_dealloc_pd(mdev, res->pdn); |
| err_unmap_free_uar: |
| mlx5_unmap_free_uar(mdev, &res->cq_uar); |
| |
| return err; |
| } |
| |
| void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev) |
| { |
| struct mlx5e_resources *res = &mdev->mlx5e_res; |
| |
| mlx5_core_destroy_mkey(mdev, &res->mkey); |
| mlx5_core_dealloc_transport_domain(mdev, res->td.tdn); |
| mlx5_core_dealloc_pd(mdev, res->pdn); |
| mlx5_unmap_free_uar(mdev, &res->cq_uar); |
| } |
| |
| int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5_core_dev *mdev) |
| { |
| struct mlx5e_tir *tir; |
| void *in; |
| int inlen; |
| int err; |
| |
| inlen = MLX5_ST_SZ_BYTES(modify_tir_in); |
| in = mlx5_vzalloc(inlen); |
| if (!in) |
| return -ENOMEM; |
| |
| MLX5_SET(modify_tir_in, in, bitmask.self_lb_en, 1); |
| |
| list_for_each_entry(tir, &mdev->mlx5e_res.td.tirs_list, list) { |
| err = mlx5_core_modify_tir(mdev, tir->tirn, in, inlen); |
| if (err) |
| return err; |
| } |
| |
| kvfree(in); |
| |
| return 0; |
| } |