2 * @file driver/swap_ioctl.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 * Provides ioctl commands and recources for SWAP driver.
30 #ifndef __SWAP_IOCTL_H__
31 #define __SWAP_IOCTL_H__
33 #include <linux/ioctl.h>
35 /** SWAP device magic number. */
36 #define SWAP_DRIVER_IOC_MAGIC 0xAF
39 * @struct buffer_initialize
40 * @brief SWAP buffer initialization struct.
41 * @var buffer_initialize::size
42 * Size of one subbuffer.
43 * @var buffer_initialize::count
44 * Count of subbuffers in the buffer.
46 struct buffer_initialize {
51 /* SWAP Device ioctl commands */
53 /** Initialize buffer message. */
54 #define SWAP_DRIVER_BUFFER_INITIALIZE _IOW(SWAP_DRIVER_IOC_MAGIC, 1, \
55 struct buffer_initialize *)
56 /** Uninitialize buffer message. */
57 #define SWAP_DRIVER_BUFFER_UNINITIALIZE _IO(SWAP_DRIVER_IOC_MAGIC, 2)
58 /** Set next buffer to read. */
59 #define SWAP_DRIVER_NEXT_BUFFER_TO_READ _IO(SWAP_DRIVER_IOC_MAGIC, 3)
61 #define SWAP_DRIVER_FLUSH_BUFFER _IO(SWAP_DRIVER_IOC_MAGIC, 4)
62 /** Custom message. */
63 #define SWAP_DRIVER_MSG _IOW(SWAP_DRIVER_IOC_MAGIC, 5, \
65 /** Force wake up daemon. */
66 #define SWAP_DRIVER_WAKE_UP _IO(SWAP_DRIVER_IOC_MAGIC, 6)
68 #endif /* __SWAP_IOCTL_H__ */