| // 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); |
| } |