linux/drivers/dma/ptdma/ptdma-debugfs.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * AMD Passthrough DMA device driver
 * -- Based on the CCP driver
 *
 * Copyright (C) 2016,2021 Advanced Micro Devices, Inc.
 *
 * Author: Sanjay R Mehta <[email protected]>
 * Author: Gary R Hook <[email protected]>
 */

#include <linux/debugfs.h>
#include <linux/seq_file.h>

#include "ptdma.h"

/* DebugFS helpers */
#define RI_VERSION_NUM …

#define RI_NUM_VQM …
#define RI_NVQM_SHIFT …

static int pt_debugfs_info_show(struct seq_file *s, void *p)
{ … }

/*
 * Return a formatted buffer containing the current
 * statistics of queue for PTDMA
 */
static int pt_debugfs_stats_show(struct seq_file *s, void *p)
{ … }

static int pt_debugfs_queue_show(struct seq_file *s, void *p)
{ … }

DEFINE_SHOW_ATTRIBUTE(…);
DEFINE_SHOW_ATTRIBUTE(…);
DEFINE_SHOW_ATTRIBUTE(…);

void ptdma_debugfs_setup(struct pt_device *pt)
{ … }