linux/drivers/bus/fsl-mc/fsl-mc-uapi.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Management Complex (MC) userspace support
 *
 * Copyright 2021 NXP
 *
 */

#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/uaccess.h>
#include <linux/miscdevice.h>

#include "fsl-mc-private.h"

struct uapi_priv_data { … };

struct fsl_mc_cmd_desc { … };

#define FSL_MC_CHECK_MODULE_ID …
#define FSL_MC_CAP_NET_ADMIN_NEEDED …

enum fsl_mc_cmd_index { … };

static struct fsl_mc_cmd_desc fsl_mc_accepted_cmds[] = …;

#define FSL_MC_NUM_ACCEPTED_CMDS …

#define FSL_MC_MAX_MODULE_ID …

static int fsl_mc_command_check(struct fsl_mc_device *mc_dev,
				struct fsl_mc_command *mc_cmd)
{ … }

static int fsl_mc_uapi_send_command(struct fsl_mc_device *mc_dev, unsigned long arg,
				    struct fsl_mc_io *mc_io)
{ … }

static int fsl_mc_uapi_dev_open(struct inode *inode, struct file *filep)
{ … }

static int fsl_mc_uapi_dev_release(struct inode *inode, struct file *filep)
{ … }

static long fsl_mc_uapi_dev_ioctl(struct file *file,
				  unsigned int cmd,
				  unsigned long arg)
{ … }

static const struct file_operations fsl_mc_uapi_dev_fops = …;

int fsl_mc_uapi_create_device_file(struct fsl_mc_bus *mc_bus)
{ … }

void fsl_mc_uapi_remove_device_file(struct fsl_mc_bus *mc_bus)
{ … }