]>
Commit | Line | Data |
---|---|---|
e586b3b0 AV |
1 | /* |
2 | * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. 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 <linux/mlx5/driver.h> | |
34 | #include "wq.h" | |
35 | #include "mlx5_core.h" | |
36 | ||
37 | u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq) | |
38 | { | |
39 | return (u32)wq->sz_m1 + 1; | |
40 | } | |
41 | ||
42 | u32 mlx5_cqwq_get_size(struct mlx5_cqwq *wq) | |
43 | { | |
44 | return wq->sz_m1 + 1; | |
45 | } | |
46 | ||
47 | u32 mlx5_wq_ll_get_size(struct mlx5_wq_ll *wq) | |
48 | { | |
49 | return (u32)wq->sz_m1 + 1; | |
50 | } | |
51 | ||
52 | static u32 mlx5_wq_cyc_get_byte_size(struct mlx5_wq_cyc *wq) | |
53 | { | |
54 | return mlx5_wq_cyc_get_size(wq) << wq->log_stride; | |
55 | } | |
56 | ||
57 | static u32 mlx5_cqwq_get_byte_size(struct mlx5_cqwq *wq) | |
58 | { | |
59 | return mlx5_cqwq_get_size(wq) << wq->log_stride; | |
60 | } | |
61 | ||
62 | static u32 mlx5_wq_ll_get_byte_size(struct mlx5_wq_ll *wq) | |
63 | { | |
64 | return mlx5_wq_ll_get_size(wq) << wq->log_stride; | |
65 | } | |
66 | ||
67 | int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, | |
68 | void *wqc, struct mlx5_wq_cyc *wq, | |
69 | struct mlx5_wq_ctrl *wq_ctrl) | |
70 | { | |
71 | int err; | |
72 | ||
73 | wq->log_stride = MLX5_GET(wq, wqc, log_wq_stride); | |
74 | wq->sz_m1 = (1 << MLX5_GET(wq, wqc, log_wq_sz)) - 1; | |
75 | ||
311c7c71 | 76 | err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node); |
e586b3b0 | 77 | if (err) { |
f299a02d | 78 | mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err); |
e586b3b0 AV |
79 | return err; |
80 | } | |
81 | ||
311c7c71 SM |
82 | err = mlx5_buf_alloc_node(mdev, mlx5_wq_cyc_get_byte_size(wq), |
83 | &wq_ctrl->buf, param->buf_numa_node); | |
e586b3b0 | 84 | if (err) { |
f299a02d | 85 | mlx5_core_warn(mdev, "mlx5_buf_alloc_node() failed, %d\n", err); |
e586b3b0 AV |
86 | goto err_db_free; |
87 | } | |
88 | ||
89 | wq->buf = wq_ctrl->buf.direct.buf; | |
90 | wq->db = wq_ctrl->db.db; | |
91 | ||
92 | wq_ctrl->mdev = mdev; | |
93 | ||
94 | return 0; | |
95 | ||
96 | err_db_free: | |
97 | mlx5_db_free(mdev, &wq_ctrl->db); | |
98 | ||
99 | return err; | |
100 | } | |
101 | ||
102 | int mlx5_cqwq_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, | |
103 | void *cqc, struct mlx5_cqwq *wq, | |
104 | struct mlx5_wq_ctrl *wq_ctrl) | |
105 | { | |
106 | int err; | |
107 | ||
108 | wq->log_stride = 6 + MLX5_GET(cqc, cqc, cqe_sz); | |
109 | wq->log_sz = MLX5_GET(cqc, cqc, log_cq_size); | |
110 | wq->sz_m1 = (1 << wq->log_sz) - 1; | |
111 | ||
311c7c71 | 112 | err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node); |
e586b3b0 | 113 | if (err) { |
f299a02d | 114 | mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err); |
e586b3b0 AV |
115 | return err; |
116 | } | |
117 | ||
311c7c71 SM |
118 | err = mlx5_buf_alloc_node(mdev, mlx5_cqwq_get_byte_size(wq), |
119 | &wq_ctrl->buf, param->buf_numa_node); | |
e586b3b0 | 120 | if (err) { |
f299a02d | 121 | mlx5_core_warn(mdev, "mlx5_buf_alloc_node() failed, %d\n", err); |
e586b3b0 AV |
122 | goto err_db_free; |
123 | } | |
124 | ||
125 | wq->buf = wq_ctrl->buf.direct.buf; | |
126 | wq->db = wq_ctrl->db.db; | |
127 | ||
128 | wq_ctrl->mdev = mdev; | |
129 | ||
130 | return 0; | |
131 | ||
132 | err_db_free: | |
133 | mlx5_db_free(mdev, &wq_ctrl->db); | |
134 | ||
135 | return err; | |
136 | } | |
137 | ||
138 | int mlx5_wq_ll_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, | |
139 | void *wqc, struct mlx5_wq_ll *wq, | |
140 | struct mlx5_wq_ctrl *wq_ctrl) | |
141 | { | |
142 | struct mlx5_wqe_srq_next_seg *next_seg; | |
143 | int err; | |
144 | int i; | |
145 | ||
146 | wq->log_stride = MLX5_GET(wq, wqc, log_wq_stride); | |
147 | wq->sz_m1 = (1 << MLX5_GET(wq, wqc, log_wq_sz)) - 1; | |
148 | ||
311c7c71 | 149 | err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node); |
e586b3b0 | 150 | if (err) { |
f299a02d | 151 | mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err); |
e586b3b0 AV |
152 | return err; |
153 | } | |
154 | ||
f299a02d WSH |
155 | err = mlx5_buf_alloc_node(mdev, mlx5_wq_ll_get_byte_size(wq), |
156 | &wq_ctrl->buf, param->buf_numa_node); | |
e586b3b0 | 157 | if (err) { |
f299a02d | 158 | mlx5_core_warn(mdev, "mlx5_buf_alloc_node() failed, %d\n", err); |
e586b3b0 AV |
159 | goto err_db_free; |
160 | } | |
161 | ||
162 | wq->buf = wq_ctrl->buf.direct.buf; | |
163 | wq->db = wq_ctrl->db.db; | |
164 | ||
165 | for (i = 0; i < wq->sz_m1; i++) { | |
166 | next_seg = mlx5_wq_ll_get_wqe(wq, i); | |
167 | next_seg->next_wqe_index = cpu_to_be16(i + 1); | |
168 | } | |
169 | next_seg = mlx5_wq_ll_get_wqe(wq, i); | |
170 | wq->tail_next = &next_seg->next_wqe_index; | |
171 | ||
172 | wq_ctrl->mdev = mdev; | |
173 | ||
174 | return 0; | |
175 | ||
176 | err_db_free: | |
177 | mlx5_db_free(mdev, &wq_ctrl->db); | |
178 | ||
179 | return err; | |
180 | } | |
181 | ||
182 | void mlx5_wq_destroy(struct mlx5_wq_ctrl *wq_ctrl) | |
183 | { | |
184 | mlx5_buf_free(wq_ctrl->mdev, &wq_ctrl->buf); | |
185 | mlx5_db_free(wq_ctrl->mdev, &wq_ctrl->db); | |
186 | } |