1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2012 Semihalf. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _FLASH_SLICER_H_ 30 #define _FLASH_SLICER_H_ 31 32 #include <sys/types.h> 33 34 #define FLASH_SLICES_MAX_NUM 8 35 #define FLASH_SLICES_MAX_NAME_LEN (32 + 1) 36 37 #define FLASH_SLICES_FLAG_NONE 0 38 #define FLASH_SLICES_FLAG_RO 1 /* Read only */ 39 40 #define FLASH_SLICES_FMT "%ss.%s" 41 42 struct flash_slice { 43 off_t base; 44 off_t size; 45 const char *label; 46 unsigned int flags; 47 }; 48 49 #ifdef _KERNEL 50 51 typedef int (*flash_slicer_t)(device_t dev, const char *provider, 52 struct flash_slice *slices, int *slices_num); 53 54 #define FLASH_SLICES_TYPE_NAND 0 55 #define FLASH_SLICES_TYPE_CFI 1 56 #define FLASH_SLICES_TYPE_SPI 2 57 #define FLASH_SLICES_TYPE_MMC 3 58 59 /* Use NULL and set force to true for deregistering a slicer */ 60 void flash_register_slicer(flash_slicer_t slicer, u_int type, bool force); 61 62 #endif /* _KERNEL */ 63 64 #endif /* _FLASH_SLICER_H_ */ 65