ff
* l4(
( fB-
D_I|+ ` /* SPDX-License-Identifier: GPL-2.0 */
/*
* See Documentation/core-api/circular-buffers.rst for more information.
*/
#ifndef _LINUX_CIRC_BUF_H
#define _LINUX_CIRC_BUF_H 1
struct circ_buf {
char *buf;
int head;
int tail;
};
/* Return count in buffer. */
#define CIRC_CNT(head,tail,size) (((head) - (tail)) & ((size)-1))
/* Return space available, 0..size-1. We always leave one free char
as a completely full buffer has head == tail, which is the same as
empty. */
#define CIRC_SPACE(head,tail,size) CIRC_CNT((tail),((head)+1),(size))
/* Return count up to the end of the buffer. Carefully avoid
accessing head and tail more than once, so they can change
underneath us without returning inconsistent results. */
#define CIRC_CNT_TO_END(head,tail,size) \
({int end = (size) - (tail); \
int n = ((head) + end) & ((size)-1); \
n < end ? n : end;})
/* Return space available up to the end of the buffer. */
#define CIRC_SPACE_TO_END(head,tail,size) \
({int end = (size) - 1 - (head); \
int n = (end + (tail)) & ((size)-1); \
n <= end ? n : end+1;})
#endif /* _LINUX_CIRC_BUF_H */
M
Index of /FSS-OZR/root/sys/dev/char/4:65/subsystem/tty8
Index of /FSS-OZR/root/sys/dev/char/4:65/subsystem/tty8
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tracefs.h - a pseudo file system for activating tracing
*
* Based on debugfs by: 2004 Greg Kroah-Hartman
*
* Copyright (C) 2014 Red Hat Inc, author: Steven Rostedt
*
* tracefs is the file system that is used by the tracing infrastructure.
*/
#ifndef _TRACEFS_H_
#define _TRACEFS_H_
#include
#include
#include
struct file_operations;
#ifdef CONFIG_TRACING
struct dentry *tracefs_create_file(const char *name, umode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops);
struct dentry *tracefs_create_dir(const char *name, struct dentry *parent);
void tracefs_remove(struct dentry *dentry);
struct dentry *tracefs_create_instance_dir(const char *name, struct dentry *parent,
int (*mkdir)(const char *name),
int (*rmdir)(const char *name));
bool tracefs_initialized(void);
#endif /* CONFIG_TRACING */
#endif
l=J 2B P@n1h
0 File not found.
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _INCLUDE_LIBFDT_H_
#define _INCLUDE_LIBFDT_H_
#include
#include "../../scripts/dtc/libfdt/libfdt.h"
#endif /* _INCLUDE_LIBFDT_H_ */
e
/* SPDX-License-Identifier: LGPL-2.1+ WITH L