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_ */ 65