[linux-block.git] / drivers / firmware / google / memconsole.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * memconsole.h
 *
 * Internal headers of the memory based BIOS console.
 *
 * Copyright 2017 Google Inc.
 */

#ifndef __FIRMWARE_GOOGLE_MEMCONSOLE_H
#define __FIRMWARE_GOOGLE_MEMCONSOLE_H

#include <linux/types.h>

/*
 * memconsole_setup
 *
 * Initialize the memory console, passing the function to handle read accesses.
 */
void memconsole_setup(ssize_t (*read_func)(char *, loff_t, size_t));

/*
 * memconsole_sysfs_init
 *
 * Update memory console length and create binary file
 * for firmware object.
 */
int memconsole_sysfs_init(void);

/* memconsole_exit
 *
 * Unmap the console buffer.
 */
void memconsole_exit(void);

#endif /* __FIRMWARE_GOOGLE_MEMCONSOLE_H */
Commit	Line	Data
d9523678	1	/* SPDX-License-Identifier: GPL-2.0-only */
afe9dba4 TE	2	/*
	3	* memconsole.h
	4	*
	5	* Internal headers of the memory based BIOS console.
	6	*
	7	* Copyright 2017 Google Inc.
afe9dba4 TE	8	*/
	9
	10	#ifndef __FIRMWARE_GOOGLE_MEMCONSOLE_H
	11	#define __FIRMWARE_GOOGLE_MEMCONSOLE_H
	12
7918cfc4 JW	13	#include <linux/types.h>
7918cfc4 JW	14
afe9dba4 TE	15	/*
	16	* memconsole_setup
	17	*
7918cfc4	18	* Initialize the memory console, passing the function to handle read accesses.
afe9dba4	19	*/
7918cfc4	20	void memconsole_setup(ssize_t (read_func)(char , loff_t, size_t));
afe9dba4 TE	21
	22	/*
	23	* memconsole_sysfs_init
	24	*
	25	* Update memory console length and create binary file
	26	* for firmware object.
	27	*/
	28	int memconsole_sysfs_init(void);
	29
	30	/* memconsole_exit
	31	*
	32	* Unmap the console buffer.
	33	*/
	34	void memconsole_exit(void);
	35
	36	#endif /* __FIRMWARE_GOOGLE_MEMCONSOLE_H */