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41 lines
1.4 KiB
41 lines
1.4 KiB
20 years ago
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/*
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* hvconsole.h
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* Copyright (C) 2004 Ryan S Arnold, IBM Corporation
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*
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* LPAR console support.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _PPC64_HVCONSOLE_H
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#define _PPC64_HVCONSOLE_H
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/*
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* This is the max number of console adapters that can/will be found as
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* console devices on first stage console init. Any number beyond this range
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* can't be used as a console device but is still a valid tty device.
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*/
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#define MAX_NR_HVC_CONSOLES 16
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extern int hvc_get_chars(uint32_t vtermno, char *buf, int count);
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extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count);
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/* Early discovery of console adapters. */
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extern int hvc_find_vtys(void);
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/* Implemented by a console driver */
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extern int hvc_instantiate(uint32_t vtermno, int index);
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#endif /* _PPC64_HVCONSOLE_H */
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