030ffad23f
When registering the hvc console port, register a list of ops (read and write) to go with it, instead of calling fixed function names. This allows different ports to encode the data differently. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/*
|
|
* 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
|
|
|
|
/* implemented by a low level driver */
|
|
struct hv_ops {
|
|
int (*get_chars)(uint32_t vtermno, char *buf, int count);
|
|
int (*put_chars)(uint32_t vtermno, const char *buf, int count);
|
|
};
|
|
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);
|
|
|
|
struct hvc_struct;
|
|
|
|
/* Register a vterm and a slot index for use as a console (console_init) */
|
|
extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops);
|
|
/* register a vterm for hvc tty operation (module_init or hotplug add) */
|
|
extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq,
|
|
struct hv_ops *ops);
|
|
/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */
|
|
extern int __devexit hvc_remove(struct hvc_struct *hp);
|
|
#endif /* _PPC64_HVCONSOLE_H */
|