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qinglin.li
0afabe230c
PD#SWPL-88882 Problem: kernel through to user space rw files Solution: add debug file function Verify: sc2 Signed-off-by: qinglin.li <qinglin.li@amlogic.com> Change-Id: I760ac112d21b2ba9d0a86f725771455627d8154f
37 lines
902 B
C
37 lines
902 B
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#ifndef __AMLOGIC_DEBUG_FILE_H
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#define __AMLOGIC_DEBUG_FILE_H
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#include <linux/kfifo.h>
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#include <linux/list.h>
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#include <linux/fcntl.h>
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#define DEBUG_FILE_NAME_LEN 200
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struct debug_file_param {
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int id;
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int status;
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int flags;
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unsigned int mode;
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char filename[DEBUG_FILE_NAME_LEN];
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};
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struct debug_file {
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struct delayed_work release_work;
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struct kfifo kfifo_buf;
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struct list_head list;
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struct mutex mutex; /* */
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struct proc_dir_entry *proc_file;
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struct debug_file_param param;
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};
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struct debug_file *debug_file_open(const char *filename, int flags, umode_t mode);
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ssize_t debug_file_read(struct debug_file *filp, void *buf, size_t count);
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ssize_t debug_file_write(struct debug_file *filp, const void *buf, size_t count);
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int debug_file_close(struct debug_file *filp);
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#endif
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