include/linux/cmdline-parser.h

   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
  16 struct 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
  24 struct 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
  31 void cmdline_parts_free(struct cmdline_parts **parts);
  32
  33 int cmdline_parts_parse(struct cmdline_parts **parts, const char *cmdline);
  34
  35 struct cmdline_parts *cmdline_parts_find(struct cmdline_parts *parts,
  36                                          const char *bdev);
  37
  38 void 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 */