linux/drivers/dma/qcom/hidma_mgmt_sys.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Qualcomm Technologies HIDMA Management SYS interface
 *
 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
 */

#include <linux/sysfs.h>
#include <linux/platform_device.h>

#include "hidma_mgmt.h"

struct hidma_chan_attr { … };

struct hidma_mgmt_fileinfo { … };

#define IMPLEMENT_GETSET(name) …

#define DECLARE_ATTRIBUTE(name, mode) …

IMPLEMENT_GETSET(…) …
IMPLEMENT_GETSET(…) …
IMPLEMENT_GETSET(…) …
IMPLEMENT_GETSET(…) …
IMPLEMENT_GETSET(…) …
IMPLEMENT_GETSET(…) …
IMPLEMENT_GETSET(…) …
IMPLEMENT_GETSET(…) …

static int set_priority(struct hidma_mgmt_dev *mdev, unsigned int i, u64 val)
{ … }

static int set_weight(struct hidma_mgmt_dev *mdev, unsigned int i, u64 val)
{ … }

static struct hidma_mgmt_fileinfo hidma_mgmt_files[] = …;

static ssize_t show_values(struct device *dev, struct device_attribute *attr,
			   char *buf)
{ … }

static ssize_t set_values(struct device *dev, struct device_attribute *attr,
			  const char *buf, size_t count)
{ … }

static ssize_t show_values_channel(struct kobject *kobj,
				   struct kobj_attribute *attr, char *buf)
{ … }

static ssize_t set_values_channel(struct kobject *kobj,
				  struct kobj_attribute *attr, const char *buf,
				  size_t count)
{ … }

static int create_sysfs_entry(struct hidma_mgmt_dev *dev, char *name, int mode)
{ … }

static int create_sysfs_entry_channel(struct hidma_mgmt_dev *mdev, char *name,
				      int mode, int index,
				      struct kobject *parent)
{ … }

int hidma_mgmt_init_sys(struct hidma_mgmt_dev *mdev)
{ … }
EXPORT_SYMBOL_GPL(…);