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 #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 18 struct 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 26 struct 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 33 void cmdline_parts_free(struct cmdline_parts **parts); 34 35 int cmdline_parts_parse(struct cmdline_parts **parts, const char *cmdline); 36 37 struct cmdline_parts *cmdline_parts_find(struct cmdline_parts *parts, 38 const char *bdev); 39 40 int 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 */ 46