sys/arch/xen/include/xen3-public/io/console.h

   1 /* $NetBSD: console.h,v 1.2.30.1 2007/10/03 19:26:10 garbled Exp $ */
   2 /******************************************************************************
   3  * console.h
   4  *
   5  * Console I/O interface for Xen guest OSes.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to
   9  * deal in the Software without restriction, including without limitation the
  10  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  11  * sell copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  *
  25  * Copyright (c) 2005, Keir Fraser
  26  */
  27
  28 #ifndef __XEN_PUBLIC_IO_CONSOLE_H__
  29 #define __XEN_PUBLIC_IO_CONSOLE_H__
  30
  31 typedef uint32_t XENCONS_RING_IDX;
  32
  33 #define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1))
  34
  35 struct xencons_interface {
  36     char in[1024];
  37     char out[2048];
  38     XENCONS_RING_IDX in_cons, in_prod;
  39     XENCONS_RING_IDX out_cons, out_prod;
  40 };
  41
  42 #endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */
  43
  44 /*
  45  * Local variables:
  46  * mode: C
  47  * c-set-style: "BSD"
  48  * c-basic-offset: 4
  49  * tab-width: 4
  50  * indent-tabs-mode: nil
  51  * End:
  52  */