| /* SPDX-License-Identifier: GPL-2.0 */ | 
 | /****************************************************************************** | 
 |  * console.h | 
 |  * | 
 |  * Console I/O interface for Xen guest OSes. | 
 |  * | 
 |  * Copyright (c) 2005, Keir Fraser | 
 |  */ | 
 |  | 
 | #ifndef __XEN_PUBLIC_IO_CONSOLE_H__ | 
 | #define __XEN_PUBLIC_IO_CONSOLE_H__ | 
 |  | 
 | typedef uint32_t XENCONS_RING_IDX; | 
 |  | 
 | #define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1)) | 
 |  | 
 | struct xencons_interface { | 
 |     char in[1024]; | 
 |     char out[2048]; | 
 |     XENCONS_RING_IDX in_cons, in_prod; | 
 |     XENCONS_RING_IDX out_cons, out_prod; | 
 | }; | 
 |  | 
 | #endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */ |