1/* SPDX-License-Identifier: MIT
2 *
3 * console.h
4 *
5 * Console I/O interface for Xen guest OSes.
6 *
7 * Copyright (c) 2005, Keir Fraser
8 */
9
10#ifndef __XEN_PUBLIC_IO_CONSOLE_H__
11#define __XEN_PUBLIC_IO_CONSOLE_H__
12
13typedef u32 XENCONS_RING_IDX;
14
15#define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring) - 1))
16
17struct xencons_interface {
18	char in[1024];
19	char out[2048];
20	XENCONS_RING_IDX in_cons, in_prod;
21	XENCONS_RING_IDX out_cons, out_prod;
22};
23
24#ifdef XEN_WANT_FLEX_CONSOLE_RING
25#include "ring.h"
26DEFINE_XEN_FLEX_RING(xencons);
27#endif
28
29#endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */
30
31/*
32 * Local variables:
33 * mode: C
34 * c-file-style: "BSD"
35 * c-basic-offset: 4
36 * tab-width: 4
37 * indent-tabs-mode: nil
38 * End:
39 */
40