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 __GT_DEBUGFS_ATTRIBUTE_FOPS(__name) \ |
14 | static 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) \ |
23 | static 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) \ |
30 | static 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 | |
37 | void intel_gt_debugfs_register(struct intel_gt *gt); |
38 | |
39 | struct intel_gt_debugfs_file { |
40 | const char *name; |
41 | const struct file_operations *fops; |
42 | bool (*eval)(void *data); |
43 | }; |
44 | |
45 | void 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 */ |
50 | int intel_gt_debugfs_reset_show(struct intel_gt *gt, u64 *val); |
51 | void intel_gt_debugfs_reset_store(struct intel_gt *gt, u64 val); |
52 | |
53 | #endif /* INTEL_GT_DEBUGFS_H */ |
54 | |