1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright �� 2019 Intel Corporation
4 */
5
6#ifndef INTEL_GT_DEBUGFS_H
7#define INTEL_GT_DEBUGFS_H
8
9#include <linux/file.h>
10
11struct intel_gt;
12
13#define __GT_DEBUGFS_ATTRIBUTE_FOPS(__name)				\
14static const struct file_operations __name ## _fops = {			\
15	.owner = THIS_MODULE,						\
16	.open = __name ## _open,					\
17	.read = seq_read,						\
18	.llseek = seq_lseek,						\
19	.release = single_release,					\
20}
21
22#define DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(__name)			\
23static int __name ## _open(struct inode *inode, struct file *file)	\
24{									\
25	return single_open(file, __name ## _show, inode->i_private);	\
26}									\
27__GT_DEBUGFS_ATTRIBUTE_FOPS(__name)
28
29#define DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE_WITH_SIZE(__name, __size_vf)		\
30static int __name ## _open(struct inode *inode, struct file *file)		\
31{										\
32	return single_open_size(file, __name ## _show, inode->i_private,	\
33			    __size_vf(inode->i_private));			\
34}										\
35__GT_DEBUGFS_ATTRIBUTE_FOPS(__name)
36
37void intel_gt_debugfs_register(struct intel_gt *gt);
38
39struct intel_gt_debugfs_file {
40	const char *name;
41	const struct file_operations *fops;
42	bool (*eval)(void *data);
43};
44
45void intel_gt_debugfs_register_files(struct dentry *root,
46				     const struct intel_gt_debugfs_file *files,
47				     unsigned long count, void *data);
48
49/* functions that need to be accessed by the upper level non-gt interfaces */
50int intel_gt_debugfs_reset_show(struct intel_gt *gt, u64 *val);
51void intel_gt_debugfs_reset_store(struct intel_gt *gt, u64 val);
52
53#endif /* INTEL_GT_DEBUGFS_H */
54