4e43d779e5
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 39 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.397680977@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
102 lines
2.2 KiB
C
102 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Intel MIC Platform Software Stack (MPSS)
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*
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* Copyright(c) 2013 Intel Corporation.
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*
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* Disclaimer: The codes contained in these modules may be specific to
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* the Intel Software Development Platform codenamed: Knights Ferry, and
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* the Intel product codenamed: Knights Corner, and are not backward
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* compatible with other Intel products. Additionally, Intel will NOT
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* support the codes or instruction set in future products.
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*
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* Intel MIC Card driver.
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*/
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#include <linux/debugfs.h>
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#include <linux/delay.h>
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#include <linux/seq_file.h>
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#include <linux/interrupt.h>
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#include <linux/device.h>
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#include "../common/mic_dev.h"
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#include "mic_device.h"
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/* Debugfs parent dir */
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static struct dentry *mic_dbg;
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/**
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* mic_intr_show - Send interrupts to host.
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*/
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static int mic_intr_show(struct seq_file *s, void *unused)
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{
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struct mic_driver *mdrv = s->private;
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struct mic_device *mdev = &mdrv->mdev;
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mic_send_intr(mdev, 0);
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msleep(1000);
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mic_send_intr(mdev, 1);
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msleep(1000);
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mic_send_intr(mdev, 2);
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msleep(1000);
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mic_send_intr(mdev, 3);
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msleep(1000);
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(mic_intr);
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/**
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* mic_create_card_debug_dir - Initialize MIC debugfs entries.
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*/
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void __init mic_create_card_debug_dir(struct mic_driver *mdrv)
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{
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struct dentry *d;
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if (!mic_dbg)
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return;
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mdrv->dbg_dir = debugfs_create_dir(mdrv->name, mic_dbg);
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if (!mdrv->dbg_dir) {
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dev_err(mdrv->dev, "Cant create dbg_dir %s\n", mdrv->name);
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return;
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}
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d = debugfs_create_file("intr_test", 0444, mdrv->dbg_dir,
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mdrv, &mic_intr_fops);
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if (!d) {
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dev_err(mdrv->dev,
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"Cant create dbg intr_test %s\n", mdrv->name);
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return;
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}
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}
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/**
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* mic_delete_card_debug_dir - Uninitialize MIC debugfs entries.
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*/
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void mic_delete_card_debug_dir(struct mic_driver *mdrv)
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{
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if (!mdrv->dbg_dir)
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return;
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debugfs_remove_recursive(mdrv->dbg_dir);
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}
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/**
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* mic_init_card_debugfs - Initialize global debugfs entry.
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*/
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void __init mic_init_card_debugfs(void)
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{
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mic_dbg = debugfs_create_dir(KBUILD_MODNAME, NULL);
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if (!mic_dbg)
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pr_err("can't create debugfs dir\n");
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}
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/**
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* mic_exit_card_debugfs - Uninitialize global debugfs entry
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*/
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void mic_exit_card_debugfs(void)
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{
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debugfs_remove(mic_dbg);
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}
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