cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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hvconsole.h (790B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * hvconsole.h
      4 * Copyright (C) 2004 Ryan S Arnold, IBM Corporation
      5 *
      6 * LPAR console support.
      7 */
      8
      9#ifndef _PPC64_HVCONSOLE_H
     10#define _PPC64_HVCONSOLE_H
     11#ifdef __KERNEL__
     12
     13/*
     14 * PSeries firmware will only send/recv up to 16 bytes of character data per
     15 * hcall.
     16 */
     17#define MAX_VIO_PUT_CHARS	16
     18#define SIZE_VIO_GET_CHARS	16
     19
     20/*
     21 * Vio firmware always attempts to fetch MAX_VIO_GET_CHARS chars.  The 'count'
     22 * parm is included to conform to put_chars() function pointer template
     23 */
     24extern int hvc_get_chars(uint32_t vtermno, char *buf, int count);
     25extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count);
     26
     27/* Provided by HVC VIO */
     28void hvc_vio_init_early(void);
     29
     30#endif /* __KERNEL__ */
     31#endif /* _PPC64_HVCONSOLE_H */