Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. |
| 3 | * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. |
| 4 | * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved. |
Jack Morgenstein | 51a379d | 2008-07-25 10:32:52 -0700 | [diff] [blame] | 5 | * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved. |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 6 | * Copyright (c) 2004 Voltaire, Inc. All rights reserved. |
| 7 | * |
| 8 | * This software is available to you under a choice of one of two |
| 9 | * licenses. You may choose to be licensed under the terms of the GNU |
| 10 | * General Public License (GPL) Version 2, available from the file |
| 11 | * COPYING in the main directory of this source tree, or the |
| 12 | * OpenIB.org BSD license below: |
| 13 | * |
| 14 | * Redistribution and use in source and binary forms, with or |
| 15 | * without modification, are permitted provided that the following |
| 16 | * conditions are met: |
| 17 | * |
| 18 | * - Redistributions of source code must retain the above |
| 19 | * copyright notice, this list of conditions and the following |
| 20 | * disclaimer. |
| 21 | * |
| 22 | * - Redistributions in binary form must reproduce the above |
| 23 | * copyright notice, this list of conditions and the following |
| 24 | * disclaimer in the documentation and/or other materials |
| 25 | * provided with the distribution. |
| 26 | * |
| 27 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 28 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 29 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 30 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 31 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 32 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 33 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 34 | * SOFTWARE. |
| 35 | */ |
| 36 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 37 | #include <linux/hardirq.h> |
Paul Gortmaker | ee40fa0 | 2011-05-27 16:14:23 -0400 | [diff] [blame] | 38 | #include <linux/export.h> |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 39 | |
| 40 | #include <linux/mlx4/cmd.h> |
Eli Cohen | 3fdcb97 | 2008-04-16 21:09:33 -0700 | [diff] [blame] | 41 | #include <linux/mlx4/cq.h> |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 42 | |
| 43 | #include "mlx4.h" |
| 44 | #include "icm.h" |
| 45 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 46 | #define MLX4_CQ_STATUS_OK ( 0 << 28) |
| 47 | #define MLX4_CQ_STATUS_OVERFLOW ( 9 << 28) |
| 48 | #define MLX4_CQ_STATUS_WRITE_FAIL (10 << 28) |
| 49 | #define MLX4_CQ_FLAG_CC ( 1 << 18) |
| 50 | #define MLX4_CQ_FLAG_OI ( 1 << 17) |
| 51 | #define MLX4_CQ_STATE_ARMED ( 9 << 8) |
| 52 | #define MLX4_CQ_STATE_ARMED_SOL ( 6 << 8) |
| 53 | #define MLX4_EQ_STATE_FIRED (10 << 8) |
| 54 | |
| 55 | void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn) |
| 56 | { |
| 57 | struct mlx4_cq *cq; |
| 58 | |
| 59 | cq = radix_tree_lookup(&mlx4_priv(dev)->cq_table.tree, |
| 60 | cqn & (dev->caps.num_cqs - 1)); |
| 61 | if (!cq) { |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 62 | mlx4_dbg(dev, "Completion event for bogus CQ %08x\n", cqn); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 63 | return; |
| 64 | } |
| 65 | |
| 66 | ++cq->arm_sn; |
| 67 | |
| 68 | cq->comp(cq); |
| 69 | } |
| 70 | |
| 71 | void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type) |
| 72 | { |
| 73 | struct mlx4_cq_table *cq_table = &mlx4_priv(dev)->cq_table; |
| 74 | struct mlx4_cq *cq; |
| 75 | |
| 76 | spin_lock(&cq_table->lock); |
| 77 | |
| 78 | cq = radix_tree_lookup(&cq_table->tree, cqn & (dev->caps.num_cqs - 1)); |
| 79 | if (cq) |
| 80 | atomic_inc(&cq->refcount); |
| 81 | |
| 82 | spin_unlock(&cq_table->lock); |
| 83 | |
| 84 | if (!cq) { |
| 85 | mlx4_warn(dev, "Async event for bogus CQ %08x\n", cqn); |
| 86 | return; |
| 87 | } |
| 88 | |
| 89 | cq->event(cq, event_type); |
| 90 | |
| 91 | if (atomic_dec_and_test(&cq->refcount)) |
| 92 | complete(&cq->free); |
| 93 | } |
| 94 | |
| 95 | static int mlx4_SW2HW_CQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox, |
| 96 | int cq_num) |
| 97 | { |
Marcel Apfelbaum | eb41049 | 2012-01-19 09:45:19 +0000 | [diff] [blame] | 98 | return mlx4_cmd(dev, mailbox->dma, cq_num, 0, |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 99 | MLX4_CMD_SW2HW_CQ, MLX4_CMD_TIME_CLASS_A, |
| 100 | MLX4_CMD_WRAPPED); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 101 | } |
| 102 | |
Eli Cohen | 3fdcb97 | 2008-04-16 21:09:33 -0700 | [diff] [blame] | 103 | static int mlx4_MODIFY_CQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox, |
| 104 | int cq_num, u32 opmod) |
| 105 | { |
| 106 | return mlx4_cmd(dev, mailbox->dma, cq_num, opmod, MLX4_CMD_MODIFY_CQ, |
Jack Morgenstein | f9baff5 | 2011-12-13 04:10:51 +0000 | [diff] [blame] | 107 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); |
Eli Cohen | 3fdcb97 | 2008-04-16 21:09:33 -0700 | [diff] [blame] | 108 | } |
| 109 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 110 | static int mlx4_HW2SW_CQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox, |
| 111 | int cq_num) |
| 112 | { |
Marcel Apfelbaum | eb41049 | 2012-01-19 09:45:19 +0000 | [diff] [blame] | 113 | return mlx4_cmd_box(dev, 0, mailbox ? mailbox->dma : 0, |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 114 | cq_num, mailbox ? 0 : 1, MLX4_CMD_HW2SW_CQ, |
Jack Morgenstein | f9baff5 | 2011-12-13 04:10:51 +0000 | [diff] [blame] | 115 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 116 | } |
| 117 | |
Eli Cohen | 3fdcb97 | 2008-04-16 21:09:33 -0700 | [diff] [blame] | 118 | int mlx4_cq_modify(struct mlx4_dev *dev, struct mlx4_cq *cq, |
| 119 | u16 count, u16 period) |
| 120 | { |
| 121 | struct mlx4_cmd_mailbox *mailbox; |
| 122 | struct mlx4_cq_context *cq_context; |
| 123 | int err; |
| 124 | |
| 125 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 126 | if (IS_ERR(mailbox)) |
| 127 | return PTR_ERR(mailbox); |
| 128 | |
| 129 | cq_context = mailbox->buf; |
Eli Cohen | 3fdcb97 | 2008-04-16 21:09:33 -0700 | [diff] [blame] | 130 | cq_context->cq_max_count = cpu_to_be16(count); |
| 131 | cq_context->cq_period = cpu_to_be16(period); |
| 132 | |
| 133 | err = mlx4_MODIFY_CQ(dev, mailbox, cq->cqn, 1); |
| 134 | |
| 135 | mlx4_free_cmd_mailbox(dev, mailbox); |
| 136 | return err; |
| 137 | } |
| 138 | EXPORT_SYMBOL_GPL(mlx4_cq_modify); |
| 139 | |
Vladimir Sokolovsky | bbf8eed1 | 2008-04-16 21:09:33 -0700 | [diff] [blame] | 140 | int mlx4_cq_resize(struct mlx4_dev *dev, struct mlx4_cq *cq, |
| 141 | int entries, struct mlx4_mtt *mtt) |
| 142 | { |
| 143 | struct mlx4_cmd_mailbox *mailbox; |
| 144 | struct mlx4_cq_context *cq_context; |
| 145 | u64 mtt_addr; |
| 146 | int err; |
| 147 | |
| 148 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 149 | if (IS_ERR(mailbox)) |
| 150 | return PTR_ERR(mailbox); |
| 151 | |
| 152 | cq_context = mailbox->buf; |
Vladimir Sokolovsky | bbf8eed1 | 2008-04-16 21:09:33 -0700 | [diff] [blame] | 153 | cq_context->logsize_usrpage = cpu_to_be32(ilog2(entries) << 24); |
| 154 | cq_context->log_page_size = mtt->page_shift - 12; |
| 155 | mtt_addr = mlx4_mtt_addr(dev, mtt); |
| 156 | cq_context->mtt_base_addr_h = mtt_addr >> 32; |
| 157 | cq_context->mtt_base_addr_l = cpu_to_be32(mtt_addr & 0xffffffff); |
| 158 | |
Vladimir Sokolovsky | f5b3a09 | 2008-04-23 11:55:45 -0700 | [diff] [blame] | 159 | err = mlx4_MODIFY_CQ(dev, mailbox, cq->cqn, 0); |
Vladimir Sokolovsky | bbf8eed1 | 2008-04-16 21:09:33 -0700 | [diff] [blame] | 160 | |
| 161 | mlx4_free_cmd_mailbox(dev, mailbox); |
| 162 | return err; |
| 163 | } |
| 164 | EXPORT_SYMBOL_GPL(mlx4_cq_resize); |
| 165 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 166 | int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn) |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 167 | { |
| 168 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 169 | struct mlx4_cq_table *cq_table = &priv->cq_table; |
| 170 | int err; |
| 171 | |
| 172 | *cqn = mlx4_bitmap_alloc(&cq_table->bitmap); |
| 173 | if (*cqn == -1) |
| 174 | return -ENOMEM; |
| 175 | |
| 176 | err = mlx4_table_get(dev, &cq_table->table, *cqn); |
| 177 | if (err) |
| 178 | goto err_out; |
| 179 | |
| 180 | err = mlx4_table_get(dev, &cq_table->cmpt_table, *cqn); |
| 181 | if (err) |
| 182 | goto err_put; |
| 183 | return 0; |
| 184 | |
| 185 | err_put: |
| 186 | mlx4_table_put(dev, &cq_table->table, *cqn); |
| 187 | |
| 188 | err_out: |
Jack Morgenstein | 7c6d74d | 2013-12-08 16:50:17 +0200 | [diff] [blame] | 189 | mlx4_bitmap_free(&cq_table->bitmap, *cqn, MLX4_NO_RR); |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 190 | return err; |
| 191 | } |
| 192 | |
| 193 | static int mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn) |
| 194 | { |
| 195 | u64 out_param; |
| 196 | int err; |
| 197 | |
| 198 | if (mlx4_is_mfunc(dev)) { |
| 199 | err = mlx4_cmd_imm(dev, 0, &out_param, RES_CQ, |
| 200 | RES_OP_RESERVE_AND_MAP, MLX4_CMD_ALLOC_RES, |
| 201 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); |
| 202 | if (err) |
| 203 | return err; |
| 204 | else { |
| 205 | *cqn = get_param_l(&out_param); |
| 206 | return 0; |
| 207 | } |
| 208 | } |
| 209 | return __mlx4_cq_alloc_icm(dev, cqn); |
| 210 | } |
| 211 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 212 | void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn) |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 213 | { |
| 214 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 215 | struct mlx4_cq_table *cq_table = &priv->cq_table; |
| 216 | |
| 217 | mlx4_table_put(dev, &cq_table->cmpt_table, cqn); |
| 218 | mlx4_table_put(dev, &cq_table->table, cqn); |
Jack Morgenstein | 7c6d74d | 2013-12-08 16:50:17 +0200 | [diff] [blame] | 219 | mlx4_bitmap_free(&cq_table->bitmap, cqn, MLX4_NO_RR); |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | static void mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn) |
| 223 | { |
Jack Morgenstein | e7dbeba | 2013-03-07 03:46:54 +0000 | [diff] [blame] | 224 | u64 in_param = 0; |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 225 | int err; |
| 226 | |
| 227 | if (mlx4_is_mfunc(dev)) { |
| 228 | set_param_l(&in_param, cqn); |
| 229 | err = mlx4_cmd(dev, in_param, RES_CQ, RES_OP_RESERVE_AND_MAP, |
| 230 | MLX4_CMD_FREE_RES, |
| 231 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); |
| 232 | if (err) |
| 233 | mlx4_warn(dev, "Failed freeing cq:%d\n", cqn); |
| 234 | } else |
| 235 | __mlx4_cq_free_icm(dev, cqn); |
| 236 | } |
| 237 | |
Amir Vadai | ec693d4 | 2013-04-23 06:06:49 +0000 | [diff] [blame] | 238 | int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, |
| 239 | struct mlx4_mtt *mtt, struct mlx4_uar *uar, u64 db_rec, |
| 240 | struct mlx4_cq *cq, unsigned vector, int collapsed, |
| 241 | int timestamp_en) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 242 | { |
| 243 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 244 | struct mlx4_cq_table *cq_table = &priv->cq_table; |
| 245 | struct mlx4_cmd_mailbox *mailbox; |
| 246 | struct mlx4_cq_context *cq_context; |
| 247 | u64 mtt_addr; |
| 248 | int err; |
| 249 | |
Yevgeny Petrilin | 0b7ca5a | 2011-03-22 22:37:47 +0000 | [diff] [blame] | 250 | if (vector > dev->caps.num_comp_vectors + dev->caps.comp_pool) |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 251 | return -EINVAL; |
| 252 | |
| 253 | cq->vector = vector; |
| 254 | |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 255 | err = mlx4_cq_alloc_icm(dev, &cq->cqn); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 256 | if (err) |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 257 | return err; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 258 | |
| 259 | spin_lock_irq(&cq_table->lock); |
| 260 | err = radix_tree_insert(&cq_table->tree, cq->cqn, cq); |
| 261 | spin_unlock_irq(&cq_table->lock); |
| 262 | if (err) |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 263 | goto err_icm; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 264 | |
| 265 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 266 | if (IS_ERR(mailbox)) { |
| 267 | err = PTR_ERR(mailbox); |
| 268 | goto err_radix; |
| 269 | } |
| 270 | |
| 271 | cq_context = mailbox->buf; |
Yevgeny Petrilin | e463c7b | 2008-04-29 13:46:50 -0700 | [diff] [blame] | 272 | cq_context->flags = cpu_to_be32(!!collapsed << 18); |
Amir Vadai | ec693d4 | 2013-04-23 06:06:49 +0000 | [diff] [blame] | 273 | if (timestamp_en) |
| 274 | cq_context->flags |= cpu_to_be32(1 << 19); |
| 275 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 276 | cq_context->logsize_usrpage = cpu_to_be32((ilog2(nent) << 24) | uar->index); |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 277 | cq_context->comp_eqn = priv->eq_table.eq[vector].eqn; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 278 | cq_context->log_page_size = mtt->page_shift - MLX4_ICM_PAGE_SHIFT; |
| 279 | |
| 280 | mtt_addr = mlx4_mtt_addr(dev, mtt); |
| 281 | cq_context->mtt_base_addr_h = mtt_addr >> 32; |
| 282 | cq_context->mtt_base_addr_l = cpu_to_be32(mtt_addr & 0xffffffff); |
| 283 | cq_context->db_rec_addr = cpu_to_be64(db_rec); |
| 284 | |
| 285 | err = mlx4_SW2HW_CQ(dev, mailbox, cq->cqn); |
| 286 | mlx4_free_cmd_mailbox(dev, mailbox); |
| 287 | if (err) |
| 288 | goto err_radix; |
| 289 | |
| 290 | cq->cons_index = 0; |
| 291 | cq->arm_sn = 1; |
| 292 | cq->uar = uar; |
| 293 | atomic_set(&cq->refcount, 1); |
| 294 | init_completion(&cq->free); |
| 295 | |
| 296 | return 0; |
| 297 | |
| 298 | err_radix: |
| 299 | spin_lock_irq(&cq_table->lock); |
| 300 | radix_tree_delete(&cq_table->tree, cq->cqn); |
| 301 | spin_unlock_irq(&cq_table->lock); |
| 302 | |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 303 | err_icm: |
| 304 | mlx4_cq_free_icm(dev, cq->cqn); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 305 | |
| 306 | return err; |
| 307 | } |
| 308 | EXPORT_SYMBOL_GPL(mlx4_cq_alloc); |
| 309 | |
| 310 | void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq) |
| 311 | { |
| 312 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 313 | struct mlx4_cq_table *cq_table = &priv->cq_table; |
| 314 | int err; |
| 315 | |
| 316 | err = mlx4_HW2SW_CQ(dev, NULL, cq->cqn); |
| 317 | if (err) |
| 318 | mlx4_warn(dev, "HW2SW_CQ failed (%d) for CQN %06x\n", err, cq->cqn); |
| 319 | |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 320 | synchronize_irq(priv->eq_table.eq[cq->vector].irq); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 321 | |
| 322 | spin_lock_irq(&cq_table->lock); |
| 323 | radix_tree_delete(&cq_table->tree, cq->cqn); |
| 324 | spin_unlock_irq(&cq_table->lock); |
| 325 | |
| 326 | if (atomic_dec_and_test(&cq->refcount)) |
| 327 | complete(&cq->free); |
| 328 | wait_for_completion(&cq->free); |
| 329 | |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 330 | mlx4_cq_free_icm(dev, cq->cqn); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 331 | } |
| 332 | EXPORT_SYMBOL_GPL(mlx4_cq_free); |
| 333 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 334 | int mlx4_init_cq_table(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 335 | { |
| 336 | struct mlx4_cq_table *cq_table = &mlx4_priv(dev)->cq_table; |
| 337 | int err; |
| 338 | |
| 339 | spin_lock_init(&cq_table->lock); |
| 340 | INIT_RADIX_TREE(&cq_table->tree, GFP_ATOMIC); |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 341 | if (mlx4_is_slave(dev)) |
| 342 | return 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 343 | |
| 344 | err = mlx4_bitmap_init(&cq_table->bitmap, dev->caps.num_cqs, |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 345 | dev->caps.num_cqs - 1, dev->caps.reserved_cqs, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 346 | if (err) |
| 347 | return err; |
| 348 | |
| 349 | return 0; |
| 350 | } |
| 351 | |
| 352 | void mlx4_cleanup_cq_table(struct mlx4_dev *dev) |
| 353 | { |
Jack Morgenstein | d723338 | 2011-12-13 04:13:36 +0000 | [diff] [blame] | 354 | if (mlx4_is_slave(dev)) |
| 355 | return; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 356 | /* Nothing to do to clean up radix_tree */ |
| 357 | mlx4_bitmap_cleanup(&mlx4_priv(dev)->cq_table.bitmap); |
| 358 | } |