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author | Ingo Molnar <mingo@elte.hu> | 2008-09-14 18:24:00 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-09-14 18:24:00 +0200 |
commit | 83bd6998b04fc1bb7280b14f16b2bdbdc07c914b (patch) | |
tree | af1bbe2bac5752b69b1ac58bf5d822c735da439b /arch/powerpc/include/asm/hvconsole.h | |
parent | e7250b8ae3870f37f660c2f65cafcaba85e3bfd3 (diff) | |
parent | adee14b2e1557d0a8559f29681732d05a89dfc35 (diff) | |
download | blackbird-op-linux-83bd6998b04fc1bb7280b14f16b2bdbdc07c914b.tar.gz blackbird-op-linux-83bd6998b04fc1bb7280b14f16b2bdbdc07c914b.zip |
Merge commit 'v2.6.27-rc6' into timers/hpet
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 */ |