1/*
2 * Copyright: Matias Bjorling <mb@bjorling.me>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License version
6 * 2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11 * General Public License for more details.
12 *
13 */
14
15#ifndef GENNVM_H_
16#define GENNVM_H_
17
18#include <linux/module.h>
19#include <linux/vmalloc.h>
20
21#include <linux/lightnvm.h>
22
23struct gen_lun {
24	struct nvm_lun vlun;
25
26	int reserved_blocks;
27	/* lun block lists */
28	struct list_head used_list;	/* In-use blocks */
29	struct list_head free_list;	/* Not used blocks i.e. released
30					 * and ready for use
31					 */
32	struct list_head bb_list;	/* Bad blocks. Mutually exclusive with
33					 * free_list and used_list
34					 */
35};
36
37struct gen_nvm {
38	struct nvm_dev *dev;
39
40	int nr_luns;
41	struct gen_lun *luns;
42};
43
44#define gennvm_for_each_lun(bm, lun, i) \
45		for ((i) = 0, lun = &(bm)->luns[0]; \
46			(i) < (bm)->nr_luns; (i)++, lun = &(bm)->luns[(i)])
47
48#endif /* GENNVM_H_ */
49