1 /* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
2 /*
3  * Copyright(c) 2015, 2016, 2018 Intel Corporation.
4  */
5 
6 #ifndef _HFI1_DEBUGFS_H
7 #define _HFI1_DEBUGFS_H
8 
9 struct hfi1_ibdev;
10 
11 #define DEBUGFS_SEQ_FILE_OPS(name) \
12 static const struct seq_operations _##name##_seq_ops = { \
13 	.start = _##name##_seq_start, \
14 	.next  = _##name##_seq_next, \
15 	.stop  = _##name##_seq_stop, \
16 	.show  = _##name##_seq_show \
17 }
18 
19 #define DEBUGFS_SEQ_FILE_OPEN(name) \
20 static int _##name##_open(struct inode *inode, struct file *s) \
21 { \
22 	struct seq_file *seq; \
23 	int ret; \
24 	ret =  seq_open(s, &_##name##_seq_ops); \
25 	if (ret) \
26 		return ret; \
27 	seq = s->private_data; \
28 	seq->private = inode->i_private; \
29 	return 0; \
30 }
31 
32 #define DEBUGFS_FILE_OPS(name) \
33 static const struct file_operations _##name##_file_ops = { \
34 	.owner   = THIS_MODULE, \
35 	.open    = _##name##_open, \
36 	.read    = hfi1_seq_read, \
37 	.llseek  = hfi1_seq_lseek, \
38 	.release = seq_release \
39 }
40 
41 
42 ssize_t hfi1_seq_read(struct file *file, char __user *buf, size_t size,
43 		      loff_t *ppos);
44 loff_t hfi1_seq_lseek(struct file *file, loff_t offset, int whence);
45 
46 #ifdef CONFIG_DEBUG_FS
47 void hfi1_dbg_ibdev_init(struct hfi1_ibdev *ibd);
48 void hfi1_dbg_ibdev_exit(struct hfi1_ibdev *ibd);
49 void hfi1_dbg_init(void);
50 void hfi1_dbg_exit(void);
51 
52 #else
hfi1_dbg_ibdev_init(struct hfi1_ibdev * ibd)53 static inline void hfi1_dbg_ibdev_init(struct hfi1_ibdev *ibd)
54 {
55 }
56 
hfi1_dbg_ibdev_exit(struct hfi1_ibdev * ibd)57 static inline void hfi1_dbg_ibdev_exit(struct hfi1_ibdev *ibd)
58 {
59 }
60 
hfi1_dbg_init(void)61 static inline void hfi1_dbg_init(void)
62 {
63 }
64 
hfi1_dbg_exit(void)65 static inline void hfi1_dbg_exit(void)
66 {
67 }
68 #endif
69 
70 #endif                          /* _HFI1_DEBUGFS_H */
71