75 lines
1.8 KiB
C
Executable File
75 lines
1.8 KiB
C
Executable File
/******************************************************************************
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*
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* Copyright (c) 2016-2017 Samsung Electronics Co., Ltd. All rights reserved.
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*
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******************************************************************************/
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#ifndef _SCSC_LOGRING_DEBUGFS_H_
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#define _SCSC_LOGRING_DEBUGFS_H_
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/debugfs.h>
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#include <linux/version.h>
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include <linux/cdev.h>
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#include <scsc/scsc_logring.h>
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#include "scsc_logring_ring.h"
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#define STATSTR_SZ 256
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#define SCSC_DEBUGFS_ROOT "scsc"
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#define SCSC_SAMSG_FNAME "samsg"
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#define SCSC_SAMLOG_FNAME "samlog"
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#define SCSC_STAT_FNAME "stat"
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#define SCSC_SAMWRITE_FNAME "samwrite"
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#define SAMWRITE_BUFSZ 2048
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#define SCSC_DEFAULT_MAX_RECORDS_PER_READ 1
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struct scsc_ibox {
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struct scsc_ring_buffer *rb;
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char *tbuf;
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size_t tsz;
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bool tbuf_vm;
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size_t t_off;
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size_t t_used;
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size_t cached_reads;
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loff_t f_pos;
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struct scsc_ring_buffer *saved_live_rb;
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};
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struct scsc_debugfs_info {
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#ifdef CONFIG_SCSC_LOGRING_DEBUGFS
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struct dentry *rootdir;
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struct dentry *bufdir;
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struct dentry *samsgfile;
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struct dentry *samlogfile;
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struct dentry *statfile;
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struct dentry *samwritefile;
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#else
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struct device dev;
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struct cdev cdev;
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dev_t devt; /* char device number */
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struct cdev cdev_samsg;
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struct cdev cdev_samlog;
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struct cdev cdev_samwrite;
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struct cdev cdev_stat;
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struct scsc_ring_buffer *rb;
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struct class *logring_class; /* char device class */
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#endif
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};
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struct write_config {
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char *fmt;
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size_t buf_sz;
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char buf[SAMWRITE_BUFSZ];
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};
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void *samlog_debugfs_init(const char *name, void *rb) __init;
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void samlog_debugfs_exit(void **priv) __exit;
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#endif /* _SCSC_LOGRING_DEBUGFS_H_ */
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