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7b501d10 JB |
1 | /****************************************************************************** |
2 | * | |
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | * redistributing this file, you may do so under either license. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
8 | * Copyright(c) 2015 Intel Mobile Communications GmbH | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
25 | * in the file called COPYING. | |
26 | * | |
27 | * Contact Information: | |
28 | * Intel Linux Wireless <ilw@linux.intel.com> | |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
33 | * Copyright(c) 2015 Intel Mobile Communications GmbH | |
34 | * All rights reserved. | |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | * | |
62 | *****************************************************************************/ | |
63 | #include <linux/kernel.h> | |
64 | #include "iwl-trans.h" | |
65 | ||
66 | struct iwl_trans *iwl_trans_alloc(unsigned int priv_size, | |
67 | struct device *dev, | |
68 | const struct iwl_cfg *cfg, | |
69 | const struct iwl_trans_ops *ops, | |
70 | size_t dev_cmd_headroom) | |
71 | { | |
72 | struct iwl_trans *trans; | |
73 | #ifdef CONFIG_LOCKDEP | |
74 | static struct lock_class_key __key; | |
75 | #endif | |
76 | ||
77 | trans = kzalloc(sizeof(*trans) + priv_size, GFP_KERNEL); | |
78 | if (!trans) | |
79 | return NULL; | |
80 | ||
81 | #ifdef CONFIG_LOCKDEP | |
82 | lockdep_init_map(&trans->sync_cmd_lockdep_map, "sync_cmd_lockdep_map", | |
83 | &__key, 0); | |
84 | #endif | |
85 | ||
86 | trans->dev = dev; | |
87 | trans->cfg = cfg; | |
88 | trans->ops = ops; | |
89 | trans->dev_cmd_headroom = dev_cmd_headroom; | |
56882e6c | 90 | trans->num_rx_queues = 1; |
7b501d10 JB |
91 | |
92 | snprintf(trans->dev_cmd_pool_name, sizeof(trans->dev_cmd_pool_name), | |
93 | "iwl_cmd_pool:%s", dev_name(trans->dev)); | |
94 | trans->dev_cmd_pool = | |
95 | kmem_cache_create(trans->dev_cmd_pool_name, | |
96 | sizeof(struct iwl_device_cmd) | |
97 | + trans->dev_cmd_headroom, | |
98 | sizeof(void *), | |
99 | SLAB_HWCACHE_ALIGN, | |
100 | NULL); | |
101 | if (!trans->dev_cmd_pool) | |
102 | goto free; | |
103 | ||
104 | return trans; | |
105 | free: | |
106 | kfree(trans); | |
107 | return NULL; | |
108 | } | |
109 | ||
110 | void iwl_trans_free(struct iwl_trans *trans) | |
111 | { | |
112 | kmem_cache_destroy(trans->dev_cmd_pool); | |
113 | kfree(trans); | |
114 | } |