xref: /openbmc/linux/include/xen/interface/io/console.h (revision c21b37f6)
1 /******************************************************************************
2  * console.h
3  *
4  * Console I/O interface for Xen guest OSes.
5  *
6  * Copyright (c) 2005, Keir Fraser
7  */
8 
9 #ifndef __XEN_PUBLIC_IO_CONSOLE_H__
10 #define __XEN_PUBLIC_IO_CONSOLE_H__
11 
12 typedef uint32_t XENCONS_RING_IDX;
13 
14 #define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1))
15 
16 struct xencons_interface {
17     char in[1024];
18     char out[2048];
19     XENCONS_RING_IDX in_cons, in_prod;
20     XENCONS_RING_IDX out_cons, out_prod;
21 };
22 
23 #endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */
24