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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - include/asm-powerpc/hvconsole.h
3 * Copyright (C) 2004 Ryan S Arnold, IBM Corporation
5 * LPAR console support.
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.
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.
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
22 #ifndef _PPC64_HVCONSOLE_H
23 #define _PPC64_HVCONSOLE_H
27 * PSeries firmware will only send/recv up to 16 bytes of character data per
30 #define MAX_VIO_PUT_CHARS 16
31 #define SIZE_VIO_GET_CHARS 16
34 * Vio firmware always attempts to fetch MAX_VIO_GET_CHARS chars. The 'count'
35 * parm is included to conform to put_chars() function pointer template
37 extern int hvc_get_chars(uint32_t vtermno
, char *buf
, int count
);
38 extern int hvc_put_chars(uint32_t vtermno
, const char *buf
, int count
);
40 #endif /* __KERNEL__ */
41 #endif /* _PPC64_HVCONSOLE_H */