HEX
Server: Apache/2.4.52 (Ubuntu)
System: Linux ip-10-0-8-47 6.8.0-1021-aws #23~22.04.1-Ubuntu SMP Tue Dec 10 16:31:58 UTC 2024 aarch64
User: ubuntu (1000)
PHP: 8.1.2-1ubuntu2.22
Disabled: NONE
Upload Files
File: //usr/src/linux-aws-headers-5.15.0-1028/arch/powerpc/include/asm/hvconsole.h
/* 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 */