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 30 typedef uint32_t XENCONS_RING_IDX; 31 32 #define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1)) 33 34 struct 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" 43 DEFINE_XEN_FLEX_RING(xencons); 44 #endif 45 46 #endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */ 47 48 /* 49 * Local variables: 50 * mode: C 51 * c-file-style: "BSD" 52 * c-basic-offset: 4 53 * tab-width: 4 54 * indent-tabs-mode: nil 55 * End: 56 */ 57