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
|
/* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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.
*
* UFS debugfs - add debugfs interface to the ufshcd.
* This is currently used for statistics collection and exporting from the
* UFS driver.
* This infrastructure can be used for debugging or direct tweaking
* of the driver from userspace.
*
*/
#ifndef _UFS_DEBUGFS_H
#define _UFS_DEBUGFS_H
#include <linux/debugfs.h>
#include "ufshcd.h"
enum ufsdbg_err_inject_scenario {
ERR_INJECT_INTR,
ERR_INJECT_PWR_CHANGE,
ERR_INJECT_UIC,
ERR_INJECT_DME_ATTR,
ERR_INJECT_QUERY,
ERR_INJECT_MAX_ERR_SCENARIOS,
};
#ifdef CONFIG_DEBUG_FS
void ufsdbg_add_debugfs(struct ufs_hba *hba);
void ufsdbg_remove_debugfs(struct ufs_hba *hba);
void ufsdbg_pr_buf_to_std(struct ufs_hba *hba, int offset, int num_regs,
char *str, void *priv);
void ufsdbg_set_err_state(struct ufs_hba *hba);
#else
static inline void ufsdbg_add_debugfs(struct ufs_hba *hba)
{
}
static inline void ufsdbg_remove_debugfs(struct ufs_hba *hba)
{
}
static inline void ufsdbg_pr_buf_to_std(struct ufs_hba *hba, int offset,
int num_regs, char *str, void *priv)
{
}
void ufsdbg_set_err_state(struct ufs_hba *hba)
{
}
#endif
#ifdef CONFIG_UFS_FAULT_INJECTION
void ufsdbg_error_inject_dispatcher(struct ufs_hba *hba,
enum ufsdbg_err_inject_scenario err_scenario,
int success_value, int *ret_value);
#else
static inline void ufsdbg_error_inject_dispatcher(struct ufs_hba *hba,
enum ufsdbg_err_inject_scenario err_scenario,
int success_value, int *ret_value)
{
}
#endif
#endif /* End of Header */
|
