/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * 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_ */ |