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- /*
- * 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 */
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