f-stack/freebsd/sys/slicer.h

67 lines
2.2 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2012 Semihalf.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _FLASH_SLICER_H_
#define _FLASH_SLICER_H_
#include <sys/types.h>
#define FLASH_SLICES_MAX_NUM 8
#define FLASH_SLICES_MAX_NAME_LEN (32 + 1)
#define FLASH_SLICES_FLAG_NONE 0
#define FLASH_SLICES_FLAG_RO 1 /* Read only */
#define FLASH_SLICES_FMT "%ss.%s"
struct flash_slice {
off_t base;
off_t size;
const char *label;
unsigned int flags;
};
#ifdef _KERNEL
typedef int (*flash_slicer_t)(device_t dev, const char *provider,
struct flash_slice *slices, int *slices_num);
#define FLASH_SLICES_TYPE_NAND 0
#define FLASH_SLICES_TYPE_CFI 1
#define FLASH_SLICES_TYPE_SPI 2
#define FLASH_SLICES_TYPE_MMC 3
/* Use NULL and set force to true for deregistering a slicer */
void flash_register_slicer(flash_slicer_t slicer, u_int type, bool force);
#endif /* _KERNEL */
#endif /* _FLASH_SLICER_H_ */