1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Parsing command line, get the partitions information.
4 *
5 * Written by Cai Zhiyong <caizhiyong@huawei.com>
6 *
7 */
8#ifndef CMDLINEPARSEH
9#define CMDLINEPARSEH
10
11#include <linux/blkdev.h>
12#include <linux/fs.h>
13#include <linux/slab.h>
14
15/* partition flags */
16#define PF_RDONLY 0x01 /* Device is read only */
17#define PF_POWERUP_LOCK 0x02 /* Always locked after reset */
18
19struct cmdline_subpart {
20 char name[BDEVNAME_SIZE]; /* partition name, such as 'rootfs' */
21 sector_t from;
22 sector_t size;
23 int flags;
24 struct cmdline_subpart *next_subpart;
25};
26
27struct cmdline_parts {
28 char name[BDEVNAME_SIZE]; /* block device, such as 'mmcblk0' */
29 unsigned int nr_subparts;
30 struct cmdline_subpart *subpart;
31 struct cmdline_parts *next_parts;
32};
33
34void cmdline_parts_free(struct cmdline_parts **parts);
35
36int cmdline_parts_parse(struct cmdline_parts **parts, const char *cmdline);
37
38struct cmdline_parts *cmdline_parts_find(struct cmdline_parts *parts,
39 const char *bdev);
40
41int cmdline_parts_set(struct cmdline_parts *parts, sector_t disk_size,
42 int slot,
43 int (*add_part)(int, struct cmdline_subpart *, void *),
44 void *param);
45
46#endif /* CMDLINEPARSEH */
47