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 
11 struct intel_gt;
12 
13 #define DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(__name)				\
14 	static int __name ## _open(struct inode *inode, struct file *file) \
15 {									\
16 	return single_open(file, __name ## _show, inode->i_private);	\
17 }									\
18 static const struct file_operations __name ## _fops = {			\
19 	.owner = THIS_MODULE,						\
20 	.open = __name ## _open,					\
21 	.read = seq_read,						\
22 	.llseek = seq_lseek,						\
23 	.release = single_release,					\
24 }
25 
26 void intel_gt_debugfs_register(struct intel_gt *gt);
27 
28 struct intel_gt_debugfs_file {
29 	const char *name;
30 	const struct file_operations *fops;
31 	bool (*eval)(void *data);
32 };
33 
34 void intel_gt_debugfs_register_files(struct dentry *root,
35 				     const struct intel_gt_debugfs_file *files,
36 				     unsigned long count, void *data);
37 
38 /* functions that need to be accessed by the upper level non-gt interfaces */
39 int intel_gt_debugfs_reset_show(struct intel_gt *gt, u64 *val);
40 int intel_gt_debugfs_reset_store(struct intel_gt *gt, u64 val);
41 
42 #endif /* INTEL_GT_DEBUGFS_H */
43