1*4882a593Smuzhiyun #ifndef _HFI1_DEBUGFS_H
2*4882a593Smuzhiyun #define _HFI1_DEBUGFS_H
3*4882a593Smuzhiyun /*
4*4882a593Smuzhiyun * Copyright(c) 2015, 2016, 2018 Intel Corporation.
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * This file is provided under a dual BSD/GPLv2 license. When using or
7*4882a593Smuzhiyun * redistributing this file, you may do so under either license.
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * GPL LICENSE SUMMARY
10*4882a593Smuzhiyun *
11*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or modify
12*4882a593Smuzhiyun * it under the terms of version 2 of the GNU General Public License as
13*4882a593Smuzhiyun * published by the Free Software Foundation.
14*4882a593Smuzhiyun *
15*4882a593Smuzhiyun * This program is distributed in the hope that it will be useful, but
16*4882a593Smuzhiyun * WITHOUT ANY WARRANTY; without even the implied warranty of
17*4882a593Smuzhiyun * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18*4882a593Smuzhiyun * General Public License for more details.
19*4882a593Smuzhiyun *
20*4882a593Smuzhiyun * BSD LICENSE
21*4882a593Smuzhiyun *
22*4882a593Smuzhiyun * Redistribution and use in source and binary forms, with or without
23*4882a593Smuzhiyun * modification, are permitted provided that the following conditions
24*4882a593Smuzhiyun * are met:
25*4882a593Smuzhiyun *
26*4882a593Smuzhiyun * - Redistributions of source code must retain the above copyright
27*4882a593Smuzhiyun * notice, this list of conditions and the following disclaimer.
28*4882a593Smuzhiyun * - Redistributions in binary form must reproduce the above copyright
29*4882a593Smuzhiyun * notice, this list of conditions and the following disclaimer in
30*4882a593Smuzhiyun * the documentation and/or other materials provided with the
31*4882a593Smuzhiyun * distribution.
32*4882a593Smuzhiyun * - Neither the name of Intel Corporation nor the names of its
33*4882a593Smuzhiyun * contributors may be used to endorse or promote products derived
34*4882a593Smuzhiyun * from this software without specific prior written permission.
35*4882a593Smuzhiyun *
36*4882a593Smuzhiyun * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
37*4882a593Smuzhiyun * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
38*4882a593Smuzhiyun * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
39*4882a593Smuzhiyun * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
40*4882a593Smuzhiyun * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41*4882a593Smuzhiyun * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42*4882a593Smuzhiyun * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
43*4882a593Smuzhiyun * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
44*4882a593Smuzhiyun * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
45*4882a593Smuzhiyun * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
46*4882a593Smuzhiyun * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
47*4882a593Smuzhiyun *
48*4882a593Smuzhiyun */
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun struct hfi1_ibdev;
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun #define DEBUGFS_SEQ_FILE_OPS(name) \
53*4882a593Smuzhiyun static const struct seq_operations _##name##_seq_ops = { \
54*4882a593Smuzhiyun .start = _##name##_seq_start, \
55*4882a593Smuzhiyun .next = _##name##_seq_next, \
56*4882a593Smuzhiyun .stop = _##name##_seq_stop, \
57*4882a593Smuzhiyun .show = _##name##_seq_show \
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun #define DEBUGFS_SEQ_FILE_OPEN(name) \
61*4882a593Smuzhiyun static int _##name##_open(struct inode *inode, struct file *s) \
62*4882a593Smuzhiyun { \
63*4882a593Smuzhiyun struct seq_file *seq; \
64*4882a593Smuzhiyun int ret; \
65*4882a593Smuzhiyun ret = seq_open(s, &_##name##_seq_ops); \
66*4882a593Smuzhiyun if (ret) \
67*4882a593Smuzhiyun return ret; \
68*4882a593Smuzhiyun seq = s->private_data; \
69*4882a593Smuzhiyun seq->private = inode->i_private; \
70*4882a593Smuzhiyun return 0; \
71*4882a593Smuzhiyun }
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun #define DEBUGFS_FILE_OPS(name) \
74*4882a593Smuzhiyun static const struct file_operations _##name##_file_ops = { \
75*4882a593Smuzhiyun .owner = THIS_MODULE, \
76*4882a593Smuzhiyun .open = _##name##_open, \
77*4882a593Smuzhiyun .read = hfi1_seq_read, \
78*4882a593Smuzhiyun .llseek = hfi1_seq_lseek, \
79*4882a593Smuzhiyun .release = seq_release \
80*4882a593Smuzhiyun }
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun
83*4882a593Smuzhiyun ssize_t hfi1_seq_read(struct file *file, char __user *buf, size_t size,
84*4882a593Smuzhiyun loff_t *ppos);
85*4882a593Smuzhiyun loff_t hfi1_seq_lseek(struct file *file, loff_t offset, int whence);
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun #ifdef CONFIG_DEBUG_FS
88*4882a593Smuzhiyun void hfi1_dbg_ibdev_init(struct hfi1_ibdev *ibd);
89*4882a593Smuzhiyun void hfi1_dbg_ibdev_exit(struct hfi1_ibdev *ibd);
90*4882a593Smuzhiyun void hfi1_dbg_init(void);
91*4882a593Smuzhiyun void hfi1_dbg_exit(void);
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun #else
hfi1_dbg_ibdev_init(struct hfi1_ibdev * ibd)94*4882a593Smuzhiyun static inline void hfi1_dbg_ibdev_init(struct hfi1_ibdev *ibd)
95*4882a593Smuzhiyun {
96*4882a593Smuzhiyun }
97*4882a593Smuzhiyun
hfi1_dbg_ibdev_exit(struct hfi1_ibdev * ibd)98*4882a593Smuzhiyun static inline void hfi1_dbg_ibdev_exit(struct hfi1_ibdev *ibd)
99*4882a593Smuzhiyun {
100*4882a593Smuzhiyun }
101*4882a593Smuzhiyun
hfi1_dbg_init(void)102*4882a593Smuzhiyun static inline void hfi1_dbg_init(void)
103*4882a593Smuzhiyun {
104*4882a593Smuzhiyun }
105*4882a593Smuzhiyun
hfi1_dbg_exit(void)106*4882a593Smuzhiyun static inline void hfi1_dbg_exit(void)
107*4882a593Smuzhiyun {
108*4882a593Smuzhiyun }
109*4882a593Smuzhiyun #endif
110*4882a593Smuzhiyun
111*4882a593Smuzhiyun #endif /* _HFI1_DEBUGFS_H */
112