1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
/*
*
* (C) COPYRIGHT 2022-2023 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
*/
#include "mali_kbase_csf_sync_debugfs.h"
#if IS_ENABLED(CONFIG_DEBUG_FS)
#include "mali_kbase_csf_sync.h"
#include "mali_kbase_csf_util.h"
#include <mali_kbase.h>
#include <linux/seq_file.h>
#include <linux/version_compat_defs.h>
/**
* kbasep_csf_sync_debugfs_show() - Print CSF queue sync information
*
* @file: The seq_file for printing to.
* @data: The debugfs dentry private data, a pointer to kbase_context.
*
* Return: Negative error code or 0 on success.
*/
static int kbasep_csf_sync_debugfs_show(struct seq_file *file, void *data)
{
struct kbasep_printer *kbpr;
struct kbase_context *kctx = file->private;
CSTD_UNUSED(data);
kbpr = kbasep_printer_file_init(file);
if (kbpr != NULL) {
kbasep_csf_sync_kcpu_dump_print(kctx, kbpr);
kbasep_csf_sync_gpu_dump_print(kctx, kbpr);
kbasep_printer_term(kbpr);
}
return 0;
}
static int kbasep_csf_sync_debugfs_open(struct inode *in, struct file *file)
{
return single_open(file, kbasep_csf_sync_debugfs_show, in->i_private);
}
static const struct file_operations kbasep_csf_sync_debugfs_fops = {
.open = kbasep_csf_sync_debugfs_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/**
* kbase_csf_sync_debugfs_init() - Initialise debugfs file.
*
* @kctx: Kernel context pointer.
*/
void kbase_csf_sync_debugfs_init(struct kbase_context *kctx)
{
struct dentry *file;
const mode_t mode = 0444;
if (WARN_ON(!kctx || IS_ERR_OR_NULL(kctx->kctx_dentry)))
return;
file = debugfs_create_file("csf_sync", mode, kctx->kctx_dentry, kctx,
&kbasep_csf_sync_debugfs_fops);
if (IS_ERR_OR_NULL(file))
dev_warn(kctx->kbdev->dev, "Unable to create CSF Sync debugfs entry");
}
#else
/*
* Stub functions for when debugfs is disabled
*/
void kbase_csf_sync_debugfs_init(struct kbase_context *kctx)
{
}
#endif /* CONFIG_DEBUG_FS */
|