1 /* SPDX-License-Identifier: MIT */ 1 /* SPDX-License-Identifier: MIT */
2 /********************************************* 2 /******************************************************************************
3 * console.h 3 * console.h
4 * 4 *
5 * Console I/O interface for Xen guest OSes. 5 * Console I/O interface for Xen guest OSes.
6 * 6 *
7 * Copyright (c) 2005, Keir Fraser 7 * Copyright (c) 2005, Keir Fraser
8 */ 8 */
9 9
10 #ifndef __XEN_PUBLIC_IO_CONSOLE_H__ 10 #ifndef __XEN_PUBLIC_IO_CONSOLE_H__
11 #define __XEN_PUBLIC_IO_CONSOLE_H__ 11 #define __XEN_PUBLIC_IO_CONSOLE_H__
12 12
13 typedef uint32_t XENCONS_RING_IDX; 13 typedef uint32_t XENCONS_RING_IDX;
14 14
15 #define MASK_XENCONS_IDX(idx, ring) ((idx) & ( 15 #define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1))
16 16
17 struct xencons_interface { 17 struct xencons_interface {
18 char in[1024]; 18 char in[1024];
19 char out[2048]; 19 char out[2048];
20 XENCONS_RING_IDX in_cons, in_prod; 20 XENCONS_RING_IDX in_cons, in_prod;
21 XENCONS_RING_IDX out_cons, out_prod; 21 XENCONS_RING_IDX out_cons, out_prod;
22 }; 22 };
23 23
24 #endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */ 24 #endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */
25 25
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