mmc_ioctl.h (2263B) - Raw
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 27 #ifndef _DEV_MMC_MMC_IOCTL_H_ 28 #define _DEV_MMC_MMC_IOCTL_H_ 29 30 struct mmc_ioc_cmd { 31 int write_flag; /* 0: RD, 1: WR, (1 << 31): reliable WR */ 32 int is_acmd; /* 0: normal, 1: use CMD55 */ 33 uint32_t opcode; 34 uint32_t arg; 35 uint32_t response[4]; 36 u_int flags; 37 u_int blksz; 38 u_int blocks; 39 u_int __spare[4]; 40 uint32_t __pad; 41 uint64_t data_ptr; 42 }; 43 44 #define mmc_ioc_cmd_set_data(mic, ptr) \ 45 (mic).data_ptr = (uint64_t)(uintptr_t)(ptr) 46 47 struct mmc_ioc_multi_cmd { 48 uint64_t num_of_cmds; 49 struct mmc_ioc_cmd cmds[0]; 50 }; 51 52 #define MMC_IOC_BASE 'M' 53 54 #define MMC_IOC_CMD _IOWR(MMC_IOC_BASE, 0, struct mmc_ioc_cmd) 55 #define MMC_IOC_MULTI_CMD _IOWR(MMC_IOC_BASE, 1, struct mmc_ioc_multi_cmd) 56 57 /* Maximum accepted data transfer size */ 58 #define MMC_IOC_MAX_BYTES (512 * 256) 59 /* Maximum accepted number of commands */ 60 #define MMC_IOC_MAX_CMDS 255 61 62 #endif /* _DEV_MMC_MMC_IOCTL_H_ */