mmc_ioctl.h

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    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  * $FreeBSD$
   27  */
   28 
   29 #ifndef _DEV_MMC_MMC_IOCTL_H_
   30 #define _DEV_MMC_MMC_IOCTL_H_
   31 
   32 struct 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 
   49 struct 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_MULTI_CMD       _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_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/mmc/mmc_ioctl.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/mmc/mmc_ioctl.h