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
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Intel MIC Platform Software Stack (MPSS)
*
* Copyright(c) 2013 Intel Corporation.
*
* Disclaimer: The codes contained in these modules may be specific to
* the Intel Software Development Platform codenamed: Knights Ferry, and
* the Intel product codenamed: Knights Corner, and are not backward
* compatible with other Intel products. Additionally, Intel will NOT
* support the codes or instruction set in future products.
*
* Intel MIC Card driver.
*/
#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/seq_file.h>
#include <linux/interrupt.h>
#include <linux/device.h>
#include "../common/mic_dev.h"
#include "mic_device.h"
/* Debugfs parent dir */
static struct dentry *mic_dbg;
/**
* mic_intr_show - Send interrupts to host.
*/
static int mic_intr_show(struct seq_file *s, void *unused)
{
struct mic_driver *mdrv = s->private;
struct mic_device *mdev = &mdrv->mdev;
mic_send_intr(mdev, 0);
msleep(1000);
mic_send_intr(mdev, 1);
msleep(1000);
mic_send_intr(mdev, 2);
msleep(1000);
mic_send_intr(mdev, 3);
msleep(1000);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(mic_intr);
/**
* mic_create_card_debug_dir - Initialize MIC debugfs entries.
*/
void __init mic_create_card_debug_dir(struct mic_driver *mdrv)
{
if (!mic_dbg)
return;
mdrv->dbg_dir = debugfs_create_dir(mdrv->name, mic_dbg);
debugfs_create_file("intr_test", 0444, mdrv->dbg_dir, mdrv,
&mic_intr_fops);
}
/**
* mic_delete_card_debug_dir - Uninitialize MIC debugfs entries.
*/
void mic_delete_card_debug_dir(struct mic_driver *mdrv)
{
if (!mdrv->dbg_dir)
return;
debugfs_remove_recursive(mdrv->dbg_dir);
}
/**
* mic_init_card_debugfs - Initialize global debugfs entry.
*/
void __init mic_init_card_debugfs(void)
{
mic_dbg = debugfs_create_dir(KBUILD_MODNAME, NULL);
}
/**
* mic_exit_card_debugfs - Uninitialize global debugfs entry
*/
void mic_exit_card_debugfs(void)
{
debugfs_remove(mic_dbg);
}
|
