mmc_ioctl.h revision 318198 
1/*-
2 * Copyright (c) 2017 Marius Strobl <marius@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/10/sys/dev/mmc/mmc_ioctl.h 318198 2017-05-11 21:01:02Z marius $
27 */
28
29#ifndef _DEV_MMC_MMC_IOCTL_H_
30#define	_DEV_MMC_MMC_IOCTL_H_
31
32struct mmc_ioc_cmd {
33	int		write_flag; /* 0: RD, 1: WR, (1 << 31): reliable WR */
34	int		is_acmd;    /* 0: normal, 1: use CMD55 */
35	uint32_t	opcode;
36	uint32_t	arg;
37	uint32_t	response[4];
38	u_int		flags;
39	u_int		blksz;
40	u_int		blocks;
41	u_int		__spare[4];
42	uint32_t	__pad;
43	uint64_t	data_ptr;
44};
45
46#define	mmc_ioc_cmd_set_data(mic, ptr)					\
47    (mic).data_ptr = (uint64_t)(uintptr_t)(ptr)
48
49struct mmc_ioc_multi_cmd {
50	uint64_t		num_of_cmds;
51	struct mmc_ioc_cmd	cmds[0];
52};
53
54#define	MMC_IOC_BASE		'M'
55
56#define	MMC_IOC_CMD		_IOWR(MMC_IOC_BASE, 0, struct mmc_ioc_cmd)
57#define	MMC_IOC_CMD_MULTI	_IOWR(MMC_IOC_BASE, 1, struct mmc_ioc_multi_cmd)
58
59/* Maximum accepted data transfer size */
60#define	MMC_IOC_MAX_BYTES	(512  * 256)
61/* Maximum accepted number of commands */
62#define	MMC_IOC_MAX_CMDS	255
63
64#endif /* _DEV_MMC_MMC_IOCTL_H_ */
65