1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (C) 2009-2012 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 * $FreeBSD$ 29 */ 30 31#ifndef _NANDSIM_SWAP_CHIP_H_ 32#define _NANDSIM_SWAP_CHIP_H_ 33 34struct block_space { 35 SLIST_ENTRY(block_space) free_link; 36 STAILQ_ENTRY(block_space) used_link; 37 struct block_state *blk_state; 38 uint8_t *blk_ptr; 39}; 40 41#define BLOCK_ALLOCATED 0x1 42#define BLOCK_SWAPPED 0x2 43#define BLOCK_DIRTY 0x4 44 45struct block_state { 46 struct block_space *blk_sp; 47 uint32_t offset; 48 uint8_t status; 49}; 50 51struct chip_swap { 52 struct block_state *blk_state; 53 SLIST_HEAD(,block_space) free_bs; 54 STAILQ_HEAD(,block_space) used_bs; 55 struct ucred *swap_cred; 56 struct vnode *swap_vp; 57 uint32_t swap_offset; 58 uint32_t blk_size; 59 uint32_t nof_blks; 60}; 61 62struct chip_swap *nandsim_swap_init(const char *, uint32_t, uint32_t); 63void nandsim_swap_destroy(struct chip_swap *); 64struct block_space *get_bs(struct chip_swap *, uint32_t, uint8_t); 65 66#endif /* _NANDSIM_SWAP_CHIP_H_ */ 67