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Diffstat (limited to 'include/asm-ppc64/hvconsole.h')
-rw-r--r-- | include/asm-ppc64/hvconsole.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/asm-ppc64/hvconsole.h b/include/asm-ppc64/hvconsole.h new file mode 100644 index 000000000000..d89d94c91815 --- /dev/null +++ b/include/asm-ppc64/hvconsole.h @@ -0,0 +1,40 @@ +/* + * 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 + +/* + * This is the max number of console adapters that can/will be found as + * console devices on first stage console init. Any number beyond this range + * can't be used as a console device but is still a valid tty device. + */ +#define MAX_NR_HVC_CONSOLES 16 + +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); + +/* Early discovery of console adapters. */ +extern int hvc_find_vtys(void); + +/* Implemented by a console driver */ +extern int hvc_instantiate(uint32_t vtermno, int index); +#endif /* _PPC64_HVCONSOLE_H */ |