xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/i915/gt/debugfs_gt.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: MIT */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright © 2019 Intel Corporation
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef DEBUGFS_GT_H
7*4882a593Smuzhiyun #define DEBUGFS_GT_H
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <linux/file.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun struct intel_gt;
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #define DEFINE_GT_DEBUGFS_ATTRIBUTE(__name)				\
14*4882a593Smuzhiyun 	static int __name ## _open(struct inode *inode, struct file *file) \
15*4882a593Smuzhiyun {									\
16*4882a593Smuzhiyun 	return single_open(file, __name ## _show, inode->i_private);	\
17*4882a593Smuzhiyun }									\
18*4882a593Smuzhiyun static const struct file_operations __name ## _fops = {			\
19*4882a593Smuzhiyun 	.owner = THIS_MODULE,						\
20*4882a593Smuzhiyun 	.open = __name ## _open,					\
21*4882a593Smuzhiyun 	.read = seq_read,						\
22*4882a593Smuzhiyun 	.llseek = seq_lseek,						\
23*4882a593Smuzhiyun 	.release = single_release,					\
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun void debugfs_gt_register(struct intel_gt *gt);
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun struct debugfs_gt_file {
29*4882a593Smuzhiyun 	const char *name;
30*4882a593Smuzhiyun 	const struct file_operations *fops;
31*4882a593Smuzhiyun 	bool (*eval)(void *data);
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun void intel_gt_debugfs_register_files(struct dentry *root,
35*4882a593Smuzhiyun 				     const struct debugfs_gt_file *files,
36*4882a593Smuzhiyun 				     unsigned long count, void *data);
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #endif /* DEBUGFS_GT_H */
39