89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
|
// 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);
|
||
|
|
}
|