2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
20 #ifndef __RING_BUFFER_H__
21 #define __RING_BUFFER_H__
24 #include <geekos/ktypes.h>
38 void init_ring_buffer(struct ring_buffer * ring, uint_t size);
39 struct ring_buffer * create_ring_buffer(uint_t size);
41 void free_ring_buffer(struct ring_buffer * ring);
44 int rb_read(struct ring_buffer * ring, char * dst, uint_t len);
45 int rb_peek(struct ring_buffer * ring, char * dst, uint_t len);
46 int rb_delete(struct ring_buffer * ring, uint_t len);
47 int rb_write(struct ring_buffer * ring, char * src, uint_t len);
48 int rb_data_len(struct ring_buffer * ring);
49 int rb_capacity(struct ring_buffer * ring);
52 void print_ring_buffer(struct ring_buffer * ring);
55 #endif // ! __RING_BUFFER_H__