projects/linux·blob v4.8 · refs

45 lines · 1.2 KiB

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