Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
32 lines
800 B
C
32 lines
800 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 ssize_t hvc_get_chars(uint32_t vtermno, u8 *buf, size_t count);
|
|
extern ssize_t hvc_put_chars(uint32_t vtermno, const u8 *buf, size_t count);
|
|
|
|
/* Provided by HVC VIO */
|
|
void hvc_vio_init_early(void);
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _PPC64_HVCONSOLE_H */
|