diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-04 17:25:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-04 17:25:06 -0700 |
| commit | 2acb802b0c5485aedb46e23b2b45e49573454c09 (patch) | |
| tree | 82afbba3d073ce903cb737412b6eccdf8adab4b5 /arch/powerpc/include/asm/hvconsole.h | |
| parent | d8f4b819c3a5b54a978c6fe5249a17cff490c4a1 (diff) | |
| parent | 9c4cb82515130c62224e23fdf7c13c8f6c59c614 (diff) | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
powerpc: Remove use of CONFIG_PPC_MERGE
powerpc: Force printing of 'total_memory' to unsigned long long
powerpc: Fix compiler warning in arch/powerpc/mm/mem.c
powerpc: Move include files to arch/powerpc/include/asm
Diffstat (limited to 'arch/powerpc/include/asm/hvconsole.h')
| -rw-r--r-- | arch/powerpc/include/asm/hvconsole.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/hvconsole.h b/arch/powerpc/include/asm/hvconsole.h new file mode 100644 index 000000000000..35ea69e8121f --- /dev/null +++ b/arch/powerpc/include/asm/hvconsole.h @@ -0,0 +1,41 @@ +/* + * 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 */ |