131 строка
3.1 KiB
C
131 строка
3.1 KiB
C
/*
|
|
* Intel MIC Platform Software Stack (MPSS)
|
|
*
|
|
* Copyright(c) 2013 Intel Corporation.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License, 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.
|
|
*
|
|
* The full GNU General Public License is included in this distribution in
|
|
* the file called "COPYING".
|
|
*
|
|
* 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_test - Send interrupts to host.
|
|
*/
|
|
static int mic_intr_test(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;
|
|
}
|
|
|
|
static int mic_intr_test_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, mic_intr_test, inode->i_private);
|
|
}
|
|
|
|
static int mic_intr_test_release(struct inode *inode, struct file *file)
|
|
{
|
|
return single_release(inode, file);
|
|
}
|
|
|
|
static const struct file_operations intr_test_ops = {
|
|
.owner = THIS_MODULE,
|
|
.open = mic_intr_test_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = mic_intr_test_release
|
|
};
|
|
|
|
/**
|
|
* mic_create_card_debug_dir - Initialize MIC debugfs entries.
|
|
*/
|
|
void __init mic_create_card_debug_dir(struct mic_driver *mdrv)
|
|
{
|
|
struct dentry *d;
|
|
|
|
if (!mic_dbg)
|
|
return;
|
|
|
|
mdrv->dbg_dir = debugfs_create_dir(mdrv->name, mic_dbg);
|
|
if (!mdrv->dbg_dir) {
|
|
dev_err(mdrv->dev, "Cant create dbg_dir %s\n", mdrv->name);
|
|
return;
|
|
}
|
|
|
|
d = debugfs_create_file("intr_test", 0444, mdrv->dbg_dir,
|
|
mdrv, &intr_test_ops);
|
|
|
|
if (!d) {
|
|
dev_err(mdrv->dev,
|
|
"Cant create dbg intr_test %s\n", mdrv->name);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
if (!mic_dbg)
|
|
pr_err("can't create debugfs dir\n");
|
|
}
|
|
|
|
/**
|
|
* mic_exit_card_debugfs - Uninitialize global debugfs entry
|
|
*/
|
|
void mic_exit_card_debugfs(void)
|
|
{
|
|
debugfs_remove(mic_dbg);
|
|
}
|