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
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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
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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 int inlen = MLX5_ST_SZ_BYTES(create_mkey_in);
68 in = mlx5_vzalloc(inlen);
72 mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
73 MLX5_SET(mkc, mkc, access_mode, MLX5_MKC_ACCESS_MODE_PA);
74 MLX5_SET(mkc, mkc, lw, 1);
75 MLX5_SET(mkc, mkc, lr, 1);
77 MLX5_SET(mkc, mkc, pd, pdn);
78 MLX5_SET(mkc, mkc, length64, 1);
79 MLX5_SET(mkc, mkc, qpn, 0xffffff);
81 err = mlx5_core_create_mkey(mdev, mkey, in, inlen);
87 int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev)
89 struct mlx5e_resources *res = &mdev->mlx5e_res;
92 err = mlx5_alloc_map_uar(mdev, &res->cq_uar, false);
94 mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err);
98 err = mlx5_core_alloc_pd(mdev, &res->pdn);
100 mlx5_core_err(mdev, "alloc pd failed, %d\n", err);
101 goto err_unmap_free_uar;
104 err = mlx5_core_alloc_transport_domain(mdev, &res->td.tdn);
106 mlx5_core_err(mdev, "alloc td failed, %d\n", err);
110 err = mlx5e_create_mkey(mdev, res->pdn, &res->mkey);
112 mlx5_core_err(mdev, "create mkey failed, %d\n", err);
113 goto err_dealloc_transport_domain;
116 INIT_LIST_HEAD(&mdev->mlx5e_res.td.tirs_list);
120 err_dealloc_transport_domain:
121 mlx5_core_dealloc_transport_domain(mdev, res->td.tdn);
123 mlx5_core_dealloc_pd(mdev, res->pdn);
125 mlx5_unmap_free_uar(mdev, &res->cq_uar);
130 void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev)
132 struct mlx5e_resources *res = &mdev->mlx5e_res;
134 mlx5_core_destroy_mkey(mdev, &res->mkey);
135 mlx5_core_dealloc_transport_domain(mdev, res->td.tdn);
136 mlx5_core_dealloc_pd(mdev, res->pdn);
137 mlx5_unmap_free_uar(mdev, &res->cq_uar);
140 int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5_core_dev *mdev)
142 struct mlx5e_tir *tir;
147 inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
148 in = mlx5_vzalloc(inlen);
152 MLX5_SET(modify_tir_in, in, bitmask.self_lb_en, 1);
154 list_for_each_entry(tir, &mdev->mlx5e_res.td.tirs_list, list) {
155 err = mlx5_core_modify_tir(mdev, tir->tirn, in, inlen);