2 * @file driver/driver_to_buffer.h
3 * @author Alexander Aksenov <a.aksenov@samsung.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 * Copyright (C) Samsung Electronics, 2013
25 * @section DESCRIPTION
27 * Driver and buffer interaction interface declaration.
30 #ifndef __SWAP_DRIVER_DRIVER_TO_BUFFER__
31 #define __SWAP_DRIVER_DRIVER_TO_BUFFER__
33 int driver_to_buffer_initialize(size_t size, unsigned int count);
34 int driver_to_buffer_uninitialize(void);
35 ssize_t driver_to_buffer_read(char __user *buf, size_t count);
36 int driver_to_buffer_fill_spd(struct splice_pipe_desc *spd);
37 int driver_to_buffer_buffer_to_read(void);
38 int driver_to_buffer_next_buffer_to_read(void);
39 int driver_to_buffer_flush(void);
42 #endif /* __SWAP_DRIVER_DRIVER_TO_BUFFER__ */