| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * hvconsole.h |
| 3 | * Copyright (C) 2004 Ryan S Arnold, IBM Corporation |
| 4 | * |
| 5 | * LPAR console support. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | #ifndef _PPC64_HVCONSOLE_H |
| 23 | #define _PPC64_HVCONSOLE_H |
| 24 | |
| 25 | /* |
| 26 | * This is the max number of console adapters that can/will be found as |
| 27 | * console devices on first stage console init. Any number beyond this range |
| 28 | * can't be used as a console device but is still a valid tty device. |
| 29 | */ |
| 30 | #define MAX_NR_HVC_CONSOLES 16 |
| 31 | |
| 32 | extern int hvc_get_chars(uint32_t vtermno, char *buf, int count); |
| 33 | extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count); |
| 34 | |
| 35 | /* Early discovery of console adapters. */ |
| 36 | extern int hvc_find_vtys(void); |
| 37 | |
| 38 | /* Implemented by a console driver */ |
| 39 | extern int hvc_instantiate(uint32_t vtermno, int index); |
| 40 | #endif /* _PPC64_HVCONSOLE_H */ |