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63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/*-
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* Copyright (c) 2017 Marius Strobl <marius@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _DEV_MMC_MMC_IOCTL_H_
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#define _DEV_MMC_MMC_IOCTL_H_
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struct mmc_ioc_cmd {
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int write_flag; /* 0: RD, 1: WR, (1 << 31): reliable WR */
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int is_acmd; /* 0: normal, 1: use CMD55 */
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uint32_t opcode;
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uint32_t arg;
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uint32_t response[4];
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u_int flags;
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u_int blksz;
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u_int blocks;
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u_int __spare[4];
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uint32_t __pad;
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uint64_t data_ptr;
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};
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#define mmc_ioc_cmd_set_data(mic, ptr) \
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(mic).data_ptr = (uint64_t)(uintptr_t)(ptr)
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struct mmc_ioc_multi_cmd {
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uint64_t num_of_cmds;
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struct mmc_ioc_cmd cmds[0];
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};
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#define MMC_IOC_BASE 'M'
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#define MMC_IOC_CMD _IOWR(MMC_IOC_BASE, 0, struct mmc_ioc_cmd)
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#define MMC_IOC_MULTI_CMD _IOWR(MMC_IOC_BASE, 1, struct mmc_ioc_multi_cmd)
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/* Maximum accepted data transfer size */
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#define MMC_IOC_MAX_BYTES (512 * 256)
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/* Maximum accepted number of commands */
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#define MMC_IOC_MAX_CMDS 255
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#endif /* _DEV_MMC_MMC_IOCTL_H_ */
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