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
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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
);