| /****************************************************************************** |
| * |
| * This file is provided under a dual BSD/GPLv2 license. When using or |
| * redistributing this file, you may do so under either license. |
| * |
| * GPL LICENSE SUMMARY |
| * |
| * Copyright(c) 2015 Intel Mobile Communications GmbH |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, |
| * USA |
| * |
| * The full GNU General Public License is included in this distribution |
| * in the file called COPYING. |
| * |
| * Contact Information: |
| * Intel Linux Wireless <linuxwifi@intel.com> |
| * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| * |
| * BSD LICENSE |
| * |
| * Copyright(c) 2015 Intel Mobile Communications GmbH |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| *****************************************************************************/ |
| #include <linux/kernel.h> |
| #include "iwl-trans.h" |
| |
| struct iwl_trans *iwl_trans_alloc(unsigned int priv_size, |
| struct device *dev, |
| const struct iwl_cfg *cfg, |
| const struct iwl_trans_ops *ops, |
| size_t dev_cmd_headroom) |
| { |
| struct iwl_trans *trans; |
| #ifdef CONFIG_LOCKDEP |
| static struct lock_class_key __key; |
| #endif |
| |
| trans = kzalloc(sizeof(*trans) + priv_size, GFP_KERNEL); |
| if (!trans) |
| return NULL; |
| |
| #ifdef CONFIG_LOCKDEP |
| lockdep_init_map(&trans->sync_cmd_lockdep_map, "sync_cmd_lockdep_map", |
| &__key, 0); |
| #endif |
| |
| trans->dev = dev; |
| trans->cfg = cfg; |
| trans->ops = ops; |
| trans->dev_cmd_headroom = dev_cmd_headroom; |
| trans->num_rx_queues = 1; |
| |
| snprintf(trans->dev_cmd_pool_name, sizeof(trans->dev_cmd_pool_name), |
| "iwl_cmd_pool:%s", dev_name(trans->dev)); |
| trans->dev_cmd_pool = |
| kmem_cache_create(trans->dev_cmd_pool_name, |
| sizeof(struct iwl_device_cmd) |
| + trans->dev_cmd_headroom, |
| sizeof(void *), |
| SLAB_HWCACHE_ALIGN, |
| NULL); |
| if (!trans->dev_cmd_pool) |
| goto free; |
| |
| return trans; |
| free: |
| kfree(trans); |
| return NULL; |
| } |
| |
| void iwl_trans_free(struct iwl_trans *trans) |
| { |
| kmem_cache_destroy(trans->dev_cmd_pool); |
| kfree(trans); |
| } |