include/xen/interface/io/console.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   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
  13 typedef uint32_t XENCONS_RING_IDX;
  14
  15 #define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1))
  16
  17 struct 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 #endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */