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