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include/linux/cmdline-parser.h 1.17 KB
bab55417b   Cai Zhiyong   block: support em...
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  /*
   * Parsing command line, get the partitions information.
   *
   * Written by Cai Zhiyong <caizhiyong@huawei.com>
   *
   */
  #ifndef CMDLINEPARSEH
  #define CMDLINEPARSEH
  
  #include <linux/blkdev.h>
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  #include <linux/fs.h>
  #include <linux/slab.h>
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  /* partition flags */
  #define PF_RDONLY                   0x01 /* Device is read only */
  #define PF_POWERUP_LOCK             0x02 /* Always locked after reset */
  
  struct cmdline_subpart {
  	char name[BDEVNAME_SIZE]; /* partition name, such as 'rootfs' */
  	sector_t from;
  	sector_t size;
  	int flags;
  	struct cmdline_subpart *next_subpart;
  };
  
  struct cmdline_parts {
  	char name[BDEVNAME_SIZE]; /* block device, such as 'mmcblk0' */
  	unsigned int nr_subparts;
  	struct cmdline_subpart *subpart;
  	struct cmdline_parts *next_parts;
  };
  
  void cmdline_parts_free(struct cmdline_parts **parts);
  
  int cmdline_parts_parse(struct cmdline_parts **parts, const char *cmdline);
  
  struct cmdline_parts *cmdline_parts_find(struct cmdline_parts *parts,
  					 const char *bdev);
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  int cmdline_parts_set(struct cmdline_parts *parts, sector_t disk_size,
  		      int slot,
  		      int (*add_part)(int, struct cmdline_subpart *, void *),
  		      void *param);
bab55417b   Cai Zhiyong   block: support em...
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  #endif /* CMDLINEPARSEH */