1/******************************************************************************
2 * console.h
3 *
4 * Console I/O interface for Xen guest OSes.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Copyright (c) 2005, Keir Fraser
25 */
26
27#ifndef __XEN_PUBLIC_IO_CONSOLE_H__
28#define __XEN_PUBLIC_IO_CONSOLE_H__
29
30typedef uint32_t XENCONS_RING_IDX;
31
32#define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1))
33
34struct xencons_interface {
35    char in[1024];
36    char out[2048];
37    XENCONS_RING_IDX in_cons, in_prod;
38    XENCONS_RING_IDX out_cons, out_prod;
39};
40
41#endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */
42
43/*
44 * Local variables:
45 * mode: C
46 * c-file-style: "BSD"
47 * c-basic-offset: 4
48 * tab-width: 4
49 * indent-tabs-mode: nil
50 * End:
51 */
52