2 * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
35 /* mlx5e global resources should be placed in this file.
36 * Global resources are common to all the netdevices crated on the same nic.
39 int mlx5e_create_tir(struct mlx5_core_dev *mdev,
40 struct mlx5e_tir *tir, u32 *in, int inlen)
44 err = mlx5_core_create_tir(mdev, in, inlen, &tir->tirn);
48 list_add(&tir->list, &mdev->mlx5e_res.td.tirs_list);
53 void mlx5e_destroy_tir(struct mlx5_core_dev *mdev,
54 struct mlx5e_tir *tir)
56 mlx5_core_destroy_tir(mdev, tir->tirn);
60 static int mlx5e_create_mkey(struct mlx5_core_dev *mdev, u32 pdn,
61 struct mlx5_core_mkey *mkey)
63 struct mlx5_create_mkey_mbox_in *in;
66 in = mlx5_vzalloc(sizeof(*in));
70 in->seg.flags = MLX5_PERM_LOCAL_WRITE |
71 MLX5_PERM_LOCAL_READ |
73 in->seg.flags_pd = cpu_to_be32(pdn | MLX5_MKEY_LEN64);
74 in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
76 err = mlx5_core_create_mkey(mdev, mkey, in, sizeof(*in), NULL, NULL,
84 int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev)
86 struct mlx5e_resources *res = &mdev->mlx5e_res;
89 err = mlx5_alloc_map_uar(mdev, &res->cq_uar, false);
91 mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err);
95 err = mlx5_core_alloc_pd(mdev, &res->pdn);
97 mlx5_core_err(mdev, "alloc pd failed, %d\n", err);
98 goto err_unmap_free_uar;
101 err = mlx5_core_alloc_transport_domain(mdev, &res->td.tdn);
103 mlx5_core_err(mdev, "alloc td failed, %d\n", err);
107 err = mlx5e_create_mkey(mdev, res->pdn, &res->mkey);
109 mlx5_core_err(mdev, "create mkey failed, %d\n", err);
110 goto err_dealloc_transport_domain;
113 INIT_LIST_HEAD(&mdev->mlx5e_res.td.tirs_list);
117 err_dealloc_transport_domain:
118 mlx5_core_dealloc_transport_domain(mdev, res->td.tdn);
120 mlx5_core_dealloc_pd(mdev, res->pdn);
122 mlx5_unmap_free_uar(mdev, &res->cq_uar);
127 void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev)
129 struct mlx5e_resources *res = &mdev->mlx5e_res;
131 mlx5_core_destroy_mkey(mdev, &res->mkey);
132 mlx5_core_dealloc_transport_domain(mdev, res->td.tdn);
133 mlx5_core_dealloc_pd(mdev, res->pdn);
134 mlx5_unmap_free_uar(mdev, &res->cq_uar);
137 int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5_core_dev *mdev)
139 struct mlx5e_tir *tir;
144 inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
145 in = mlx5_vzalloc(inlen);
149 MLX5_SET(modify_tir_in, in, bitmask.self_lb_en, 1);
151 list_for_each_entry(tir, &mdev->mlx5e_res.td.tirs_list, list) {
152 err = mlx5_core_modify_tir(mdev, tir->tirn, in, inlen);