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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
bab55417 CZ |
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> | |
8d3ef556 AB |
12 | #include <linux/fs.h> |
13 | #include <linux/slab.h> | |
bab55417 CZ |
14 | |
15 | /* partition flags */ | |
16 | #define PF_RDONLY 0x01 /* Device is read only */ | |
17 | #define PF_POWERUP_LOCK 0x02 /* Always locked after reset */ | |
18 | ||
19 | struct 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 | ||
27 | struct 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 | ||
34 | void cmdline_parts_free(struct cmdline_parts **parts); | |
35 | ||
36 | int cmdline_parts_parse(struct cmdline_parts **parts, const char *cmdline); | |
37 | ||
38 | struct cmdline_parts *cmdline_parts_find(struct cmdline_parts *parts, | |
39 | const char *bdev); | |
40 | ||
bca266b3 C |
41 | int 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); | |
bab55417 CZ |
45 | |
46 | #endif /* CMDLINEPARSEH */ |