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/*-
* 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_ */
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