at v3.12-rc5 1.2 kB view raw
1/* 2 * Parsing command line, get the partitions information. 3 * 4 * Written by Cai Zhiyong <caizhiyong@huawei.com> 5 * 6 */ 7#ifndef CMDLINEPARSEH 8#define CMDLINEPARSEH 9 10#include <linux/blkdev.h> 11 12/* partition flags */ 13#define PF_RDONLY 0x01 /* Device is read only */ 14#define PF_POWERUP_LOCK 0x02 /* Always locked after reset */ 15 16struct cmdline_subpart { 17 char name[BDEVNAME_SIZE]; /* partition name, such as 'rootfs' */ 18 sector_t from; 19 sector_t size; 20 int flags; 21 struct cmdline_subpart *next_subpart; 22}; 23 24struct cmdline_parts { 25 char name[BDEVNAME_SIZE]; /* block device, such as 'mmcblk0' */ 26 unsigned int nr_subparts; 27 struct cmdline_subpart *subpart; 28 struct cmdline_parts *next_parts; 29}; 30 31void cmdline_parts_free(struct cmdline_parts **parts); 32 33int cmdline_parts_parse(struct cmdline_parts **parts, const char *cmdline); 34 35struct cmdline_parts *cmdline_parts_find(struct cmdline_parts *parts, 36 const char *bdev); 37 38void cmdline_parts_set(struct cmdline_parts *parts, sector_t disk_size, 39 int slot, 40 int (*add_part)(int, struct cmdline_subpart *, void *), 41 void *param); 42 43#endif /* CMDLINEPARSEH */