|  | /* | 
|  | * hvconsole.h | 
|  | * Copyright (C) 2004 Ryan S Arnold, IBM Corporation | 
|  | * | 
|  | * LPAR console support. | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License as published by | 
|  | * the Free Software Foundation; either version 2 of the License, or | 
|  | * (at your option) any later version. | 
|  | * | 
|  | * This program is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | * GNU General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program; if not, write to the Free Software | 
|  | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA | 
|  | */ | 
|  |  | 
|  | #ifndef _PPC64_HVCONSOLE_H | 
|  | #define _PPC64_HVCONSOLE_H | 
|  | #ifdef __KERNEL__ | 
|  |  | 
|  | /* | 
|  | * PSeries firmware will only send/recv up to 16 bytes of character data per | 
|  | * hcall. | 
|  | */ | 
|  | #define MAX_VIO_PUT_CHARS	16 | 
|  | #define SIZE_VIO_GET_CHARS	16 | 
|  |  | 
|  | /* | 
|  | * Vio firmware always attempts to fetch MAX_VIO_GET_CHARS chars.  The 'count' | 
|  | * parm is included to conform to put_chars() function pointer template | 
|  | */ | 
|  | extern int hvc_get_chars(uint32_t vtermno, char *buf, int count); | 
|  | extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count); | 
|  |  | 
|  | #endif /* __KERNEL__ */ | 
|  | #endif /* _PPC64_HVCONSOLE_H */ |