Commit | Line | Data |
---|---|---|
b50d292b HHZ |
1 | /* |
2 | * Copyright (c) 2016, Mellanox Technologies. All rights reserved. | |
3 | * | |
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: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
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. | |
22 | * | |
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 | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
33 | #include "en.h" | |
34 | ||
35 | /* mlx5e global resources should be placed in this file. | |
36 | * Global resources are common to all the netdevices crated on the same nic. | |
37 | */ | |
38 | ||
724b2aa1 HHZ |
39 | int mlx5e_create_tir(struct mlx5_core_dev *mdev, |
40 | struct mlx5e_tir *tir, u32 *in, int inlen) | |
41 | { | |
42 | int err; | |
43 | ||
44 | err = mlx5_core_create_tir(mdev, in, inlen, &tir->tirn); | |
45 | if (err) | |
46 | return err; | |
47 | ||
48 | list_add(&tir->list, &mdev->mlx5e_res.td.tirs_list); | |
49 | ||
50 | return 0; | |
51 | } | |
52 | ||
53 | void mlx5e_destroy_tir(struct mlx5_core_dev *mdev, | |
54 | struct mlx5e_tir *tir) | |
55 | { | |
56 | mlx5_core_destroy_tir(mdev, tir->tirn); | |
57 | list_del(&tir->list); | |
58 | } | |
59 | ||
b50d292b HHZ |
60 | static int mlx5e_create_mkey(struct mlx5_core_dev *mdev, u32 pdn, |
61 | struct mlx5_core_mkey *mkey) | |
62 | { | |
ec22eb53 SM |
63 | int inlen = MLX5_ST_SZ_BYTES(create_mkey_in); |
64 | void *mkc; | |
65 | u32 *in; | |
b50d292b HHZ |
66 | int err; |
67 | ||
ec22eb53 | 68 | in = mlx5_vzalloc(inlen); |
b50d292b HHZ |
69 | if (!in) |
70 | return -ENOMEM; | |
71 | ||
ec22eb53 SM |
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); | |
b50d292b | 76 | |
ec22eb53 SM |
77 | MLX5_SET(mkc, mkc, pd, pdn); |
78 | MLX5_SET(mkc, mkc, length64, 1); | |
79 | MLX5_SET(mkc, mkc, qpn, 0xffffff); | |
b50d292b | 80 | |
ec22eb53 | 81 | err = mlx5_core_create_mkey(mdev, mkey, in, inlen); |
b50d292b | 82 | |
ec22eb53 | 83 | kvfree(in); |
b50d292b HHZ |
84 | return err; |
85 | } | |
86 | ||
87 | int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev) | |
88 | { | |
89 | struct mlx5e_resources *res = &mdev->mlx5e_res; | |
90 | int err; | |
91 | ||
92 | err = mlx5_alloc_map_uar(mdev, &res->cq_uar, false); | |
93 | if (err) { | |
94 | mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err); | |
95 | return err; | |
96 | } | |
97 | ||
98 | err = mlx5_core_alloc_pd(mdev, &res->pdn); | |
99 | if (err) { | |
100 | mlx5_core_err(mdev, "alloc pd failed, %d\n", err); | |
101 | goto err_unmap_free_uar; | |
102 | } | |
103 | ||
104 | err = mlx5_core_alloc_transport_domain(mdev, &res->td.tdn); | |
105 | if (err) { | |
106 | mlx5_core_err(mdev, "alloc td failed, %d\n", err); | |
107 | goto err_dealloc_pd; | |
108 | } | |
109 | ||
110 | err = mlx5e_create_mkey(mdev, res->pdn, &res->mkey); | |
111 | if (err) { | |
112 | mlx5_core_err(mdev, "create mkey failed, %d\n", err); | |
113 | goto err_dealloc_transport_domain; | |
114 | } | |
115 | ||
724b2aa1 HHZ |
116 | INIT_LIST_HEAD(&mdev->mlx5e_res.td.tirs_list); |
117 | ||
b50d292b HHZ |
118 | return 0; |
119 | ||
120 | err_dealloc_transport_domain: | |
121 | mlx5_core_dealloc_transport_domain(mdev, res->td.tdn); | |
122 | err_dealloc_pd: | |
123 | mlx5_core_dealloc_pd(mdev, res->pdn); | |
124 | err_unmap_free_uar: | |
125 | mlx5_unmap_free_uar(mdev, &res->cq_uar); | |
126 | ||
127 | return err; | |
128 | } | |
129 | ||
130 | void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev) | |
131 | { | |
132 | struct mlx5e_resources *res = &mdev->mlx5e_res; | |
133 | ||
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); | |
138 | } | |
724b2aa1 HHZ |
139 | |
140 | int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5_core_dev *mdev) | |
141 | { | |
142 | struct mlx5e_tir *tir; | |
143 | void *in; | |
144 | int inlen; | |
bf50082c | 145 | int err = 0; |
724b2aa1 HHZ |
146 | |
147 | inlen = MLX5_ST_SZ_BYTES(modify_tir_in); | |
148 | in = mlx5_vzalloc(inlen); | |
149 | if (!in) | |
150 | return -ENOMEM; | |
151 | ||
152 | MLX5_SET(modify_tir_in, in, bitmask.self_lb_en, 1); | |
153 | ||
154 | list_for_each_entry(tir, &mdev->mlx5e_res.td.tirs_list, list) { | |
155 | err = mlx5_core_modify_tir(mdev, tir->tirn, in, inlen); | |
156 | if (err) | |
bf50082c | 157 | goto out; |
724b2aa1 HHZ |
158 | } |
159 | ||
bf50082c | 160 | out: |
724b2aa1 HHZ |
161 | kvfree(in); |
162 | ||
bf50082c | 163 | return err; |
724b2aa1 | 164 | } |