linux/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.h

84 lines
2.8 KiB
C

/*
* This file is part of the Chelsio T4 Ethernet driver for Linux.
*
* Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __CXGB4_DEBUGFS_H
#define __CXGB4_DEBUGFS_H
#include <linux/export.h>
#define DEFINE_SIMPLE_DEBUGFS_FILE(name) \
static int name##_open(struct inode *inode, struct file *file) \
{ \
return single_open(file, name##_show, inode->i_private); \
} \
static const struct file_operations name##_debugfs_fops = { \
.owner = THIS_MODULE, \
.open = name##_open, \
.read = seq_read, \
.llseek = seq_lseek, \
.release = single_release \
}
struct t4_debugfs_entry {
const char *name;
const struct file_operations *ops;
umode_t mode;
unsigned char data;
};
struct seq_tab {
int (*show)(struct seq_file *seq, void *v, int idx);
unsigned int rows; /* # of entries */
unsigned char width; /* size in bytes of each entry */
unsigned char skip_first; /* whether the first line is a header */
char data[0]; /* the table data */
};
static inline unsigned int hex2val(char c)
{
return isdigit(c) ? c - '0' : tolower(c) - 'a' + 10;
}
struct seq_tab *seq_open_tab(struct file *f, unsigned int rows,
unsigned int width, unsigned int have_header,
int (*show)(struct seq_file *seq, void *v, int i));
int t4_setup_debugfs(struct adapter *adap);
void add_debugfs_files(struct adapter *adap,
struct t4_debugfs_entry *files,
unsigned int nfiles);
int mem_open(struct inode *inode, struct file *file);
#endif