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) 2012 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of version 2 of the GNU General Public License as 13 * published by the Free Software Foundation. 14 * 15 * This program is distributed in the hope that it will be useful, but 16 * WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 23 * USA 24 * 25 * The full GNU General Public License is included in this distribution 26 * in the file called COPYING. 27 * 28 * Contact Information: 29 * Intel Linux Wireless <linuxwifi@intel.com> 30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 31 * 32 * BSD LICENSE 33 * 34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH 36 * All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 42 * * Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * * Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in 46 * the documentation and/or other materials provided with the 47 * distribution. 48 * * Neither the name Intel Corporation nor the names of its 49 * contributors may be used to endorse or promote products derived 50 * from this software without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 63 * 64 *****************************************************************************/ 65 66 #define MVM_DEBUGFS_READ_FILE_OPS(name) \ 67 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 68 .read = iwl_dbgfs_##name##_read, \ 69 .open = simple_open, \ 70 .llseek = generic_file_llseek, \ 71 } 72 73 #define MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype) \ 74 static ssize_t _iwl_dbgfs_##name##_write(struct file *file, \ 75 const char __user *user_buf, \ 76 size_t count, loff_t *ppos) \ 77 { \ 78 argtype *arg = file->private_data; \ 79 char buf[buflen] = {}; \ 80 size_t buf_size = min(count, sizeof(buf) - 1); \ 81 \ 82 if (copy_from_user(buf, user_buf, buf_size)) \ 83 return -EFAULT; \ 84 \ 85 return iwl_dbgfs_##name##_write(arg, buf, buf_size, ppos); \ 86 } \ 87 88 #define _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, buflen, argtype) \ 89 MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype) \ 90 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 91 .write = _iwl_dbgfs_##name##_write, \ 92 .read = iwl_dbgfs_##name##_read, \ 93 .open = simple_open, \ 94 .llseek = generic_file_llseek, \ 95 }; 96 97 #define _MVM_DEBUGFS_WRITE_FILE_OPS(name, buflen, argtype) \ 98 MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype) \ 99 static const struct file_operations iwl_dbgfs_##name##_ops = { \ 100 .write = _iwl_dbgfs_##name##_write, \ 101 .open = simple_open, \ 102 .llseek = generic_file_llseek, \ 103 }; 104