1 /* 2 * This file is part of the Chelsio T4 Ethernet driver for Linux. 3 * 4 * Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 */ 34 35 #ifndef __CXGB4_DEBUGFS_H 36 #define __CXGB4_DEBUGFS_H 37 38 #include <linux/export.h> 39 40 #define DEFINE_SIMPLE_DEBUGFS_FILE(name) \ 41 static int name##_open(struct inode *inode, struct file *file) \ 42 { \ 43 return single_open(file, name##_show, inode->i_private); \ 44 } \ 45 static const struct file_operations name##_debugfs_fops = { \ 46 .owner = THIS_MODULE, \ 47 .open = name##_open, \ 48 .read = seq_read, \ 49 .llseek = seq_lseek, \ 50 .release = single_release \ 51 } 52 53 struct t4_debugfs_entry { 54 const char *name; 55 const struct file_operations *ops; 56 umode_t mode; 57 unsigned char data; 58 }; 59 60 struct seq_tab { 61 int (*show)(struct seq_file *seq, void *v, int idx); 62 unsigned int rows; /* # of entries */ 63 unsigned char width; /* size in bytes of each entry */ 64 unsigned char skip_first; /* whether the first line is a header */ 65 char data[0]; /* the table data */ 66 }; 67 68 static inline unsigned int hex2val(char c) 69 { 70 return isdigit(c) ? c - '0' : tolower(c) - 'a' + 10; 71 } 72 73 struct seq_tab *seq_open_tab(struct file *f, unsigned int rows, 74 unsigned int width, unsigned int have_header, 75 int (*show)(struct seq_file *seq, void *v, int i)); 76 77 int t4_setup_debugfs(struct adapter *adap); 78 void add_debugfs_files(struct adapter *adap, 79 struct t4_debugfs_entry *files, 80 unsigned int nfiles); 81 int mem_open(struct inode *inode, struct file *file); 82 83 #endif 84