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/* 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); /* Provided by HVC VIO */ void hvc_vio_init_early(void); #endif /* __KERNEL__ */ #endif /* _PPC64_HVCONSOLE_H */