7f725bcd5c
The NAND Flash environment consists of several distinct components: - NAND framework (drivers harness for NAND controllers and NAND chips) - NAND simulator (NANDsim) - NAND file system (NAND FS) - Companion tools and utilities - Documentation (manual pages) This work is still experimental. Please use with caution. Obtained from: Semihalf Supported by: FreeBSD Foundation, Juniper Networks
65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/*-
|
|
* Copyright (C) 2009-2012 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 _NANDSIM_SWAP_CHIP_H_
|
|
#define _NANDSIM_SWAP_CHIP_H_
|
|
|
|
struct block_space {
|
|
SLIST_ENTRY(block_space) free_link;
|
|
STAILQ_ENTRY(block_space) used_link;
|
|
struct block_state *blk_state;
|
|
uint8_t *blk_ptr;
|
|
};
|
|
|
|
#define BLOCK_ALLOCATED 0x1
|
|
#define BLOCK_SWAPPED 0x2
|
|
#define BLOCK_DIRTY 0x4
|
|
|
|
struct block_state {
|
|
struct block_space *blk_sp;
|
|
uint32_t offset;
|
|
uint8_t status;
|
|
};
|
|
|
|
struct chip_swap {
|
|
struct block_state *blk_state;
|
|
SLIST_HEAD(,block_space) free_bs;
|
|
STAILQ_HEAD(,block_space) used_bs;
|
|
struct ucred *swap_cred;
|
|
struct vnode *swap_vp;
|
|
uint32_t swap_offset;
|
|
uint32_t blk_size;
|
|
uint32_t nof_blks;
|
|
};
|
|
|
|
struct chip_swap *nandsim_swap_init(const char *, uint32_t, uint32_t);
|
|
void nandsim_swap_destroy(struct chip_swap *);
|
|
struct block_space *get_bs(struct chip_swap *, uint32_t, uint8_t);
|
|
|
|
#endif /* _NANDSIM_SWAP_CHIP_H_ */
|