5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
29 lines
732 B
C
29 lines
732 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* hvconsole.h
|
|
* Copyright (C) 2004 Ryan S Arnold, IBM Corporation
|
|
*
|
|
* LPAR console support.
|
|
*/
|
|
|
|
#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 */
|