[deliverable/linux.git] / include / linux / cmdline-parser.h

/*
 * Parsing command line, get the partitions information.
 *
 * Written by Cai Zhiyong <caizhiyong@huawei.com>
 *
 */
#ifndef CMDLINEPARSEH
#define CMDLINEPARSEH

#include <linux/blkdev.h>
#include <linux/fs.h>
#include <linux/slab.h>

/* 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);

int cmdline_parts_set(struct cmdline_parts *parts, sector_t disk_size,
		      int slot,
		      int (*add_part)(int, struct cmdline_subpart *, void *),
		      void *param);

#endif /* CMDLINEPARSEH */
Commit	Line	Data
bab55417 CZ	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>
8d3ef556 AB	11	#include <linux/fs.h>
8d3ef556 AB	12	#include <linux/slab.h>
bab55417 CZ	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
bca266b3 C	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);
bab55417 CZ	44
bab55417 CZ	45	#endif /* CMDLINEPARSEH */