1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2016-2018, Matthew Macy <mmacy@freebsd.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #ifndef _LINUXKPI_LINUX_DEBUGFS_H_ 31 #define _LINUXKPI_LINUX_DEBUGFS_H_ 32 33 #include <linux/fs.h> 34 #include <linux/module.h> 35 #include <linux/seq_file.h> 36 #include <linux/types.h> 37 38 MALLOC_DECLARE(M_DFSINT); 39 40 struct debugfs_reg32 { 41 char *name; 42 unsigned long offset; 43 }; 44 45 struct debugfs_regset32 { 46 const struct debugfs_reg32 *regs; 47 int nregs; 48 }; 49 50 struct debugfs_blob_wrapper { 51 void *data; 52 size_t size; 53 }; 54 55 struct dentry *debugfs_create_file(const char *name, umode_t mode, 56 struct dentry *parent, void *data, 57 const struct file_operations *fops); 58 59 struct dentry *debugfs_create_file_unsafe(const char *name, umode_t mode, 60 struct dentry *parent, void *data, 61 const struct file_operations *fops); 62 63 struct dentry *debugfs_create_mode_unsafe(const char *name, umode_t mode, 64 struct dentry *parent, void *data, 65 const struct file_operations *fops, 66 const struct file_operations *fops_ro, 67 const struct file_operations *fops_wo); 68 69 struct dentry *debugfs_create_dir(const char *name, struct dentry *parent); 70 71 struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent, 72 const char *dest); 73 74 void debugfs_remove(struct dentry *dentry); 75 76 void debugfs_remove_recursive(struct dentry *dentry); 77 78 #define DEFINE_DEBUGFS_ATTRIBUTE(__fops, __get, __set, __fmt) \ 79 DEFINE_SIMPLE_ATTRIBUTE(__fops, __get, __set, __fmt) 80 81 void debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent, 82 bool *value); 83 void debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent, 84 uint8_t *value); 85 void debugfs_create_ulong(const char *name, umode_t mode, struct dentry *parent, 86 unsigned long *value); 87 88 struct dentry *debugfs_create_blob(const char *name, umode_t mode, 89 struct dentry *parent, struct debugfs_blob_wrapper *value); 90 91 #endif /* _LINUXKPI_LINUX_DEBUGFS_H_ */ 92