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Diffstat (limited to 'include/asm-powerpc/hvconsole.h')
-rw-r--r-- | include/asm-powerpc/hvconsole.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/include/asm-powerpc/hvconsole.h b/include/asm-powerpc/hvconsole.h new file mode 100644 index 000000000000..6da93ce74dc0 --- /dev/null +++ b/include/asm-powerpc/hvconsole.h | |||
@@ -0,0 +1,49 @@ | |||
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 | /* implemented by a low level driver */ | ||
33 | struct hv_ops { | ||
34 | int (*get_chars)(uint32_t vtermno, char *buf, int count); | ||
35 | int (*put_chars)(uint32_t vtermno, const char *buf, int count); | ||
36 | }; | ||
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); | ||
39 | |||
40 | struct hvc_struct; | ||
41 | |||
42 | /* Register a vterm and a slot index for use as a console (console_init) */ | ||
43 | extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops); | ||
44 | /* register a vterm for hvc tty operation (module_init or hotplug add) */ | ||
45 | extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq, | ||
46 | struct hv_ops *ops); | ||
47 | /* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */ | ||
48 | extern int __devexit hvc_remove(struct hvc_struct *hp); | ||
49 | #endif /* _PPC64_HVCONSOLE_H */ | ||