part.h

基于s3c2440的U盘读写程序

#ifndef _PART_H
#define _PART_H
typedef struct block_dev_desc 
{
    int		if_type;	                 /* type of the interface */
    int	        dev;	  	          /* device number         */
    unsigned char	part_type;  	   /* partition type           */
    unsigned char	target;		   /* target SCSI ID          */
    unsigned char	lun;		           /* target LUN               */
    unsigned char	type;		    /* device type              */
    unsigned char	removable;	    /* removable device     */
    unsigned long	lba;	  	              /* number of blocks */
    unsigned long	blksz;		       /* block size            */
    unsigned char	vendor [40+1]; 	/* IDE model, SCSI Vendor */
    unsigned char	product[20+1];	/* IDE Serial no, SCSI product */
    unsigned char	revision[8+1];	/* firmware revision */
    unsigned long	(*block_read)(int dev,
    unsigned long start,
    unsigned long  blkcnt,
    unsigned long *buffer);
}


block_dev_desc_t;
/* Interface types: */
#define IF_TYPE_UNKNOWN	0
#define IF_TYPE_IDE		       1
#define IF_TYPE_SCSI		   2
#define IF_TYPE_ATAPI		   3
#define IF_TYPE_USB		       4
#define IF_TYPE_DOC		       5
#define IF_TYPE_MMC		       6
/* Part types */
#define PART_TYPE_UNKNOWN	0x00
#define PART_TYPE_MAC		0x01
#define PART_TYPE_DOS		0x02
#define PART_TYPE_ISO		0x03
#define PART_TYPE_AMIGA		0x04
/* device types */
#define DEV_TYPE_UNKNOWN	0xff	/* not connected */
#define DEV_TYPE_HARDDISK	0x00	/* harddisk */
#define DEV_TYPE_TAPE		0x01	/* Tape */
#define DEV_TYPE_CDROM		0x05	/* CD-ROM */
#define DEV_TYPE_OPDISK	0x07	/* optical disk */
typedef struct disk_partition 
{
    unsigned long	start;		/* # of first block in partition	*/
    unsigned long	size;		/* number of blocks in partition	*/
    unsigned long	blksz;		/* block size in bytes			*/
    unsigned char	name[32];	/* partition name			*/
    unsigned char	type[32];	/* string type description		*/
} 
disk_partition_t;
/* disk/part.c */
int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
void print_part (block_dev_desc_t *dev_desc);
void  init_part (block_dev_desc_t *dev_desc);
void dev_print(block_dev_desc_t *dev_desc);
/* disk/part_dos.c */
int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
void print_part_dos (block_dev_desc_t *dev_desc);
int   test_part_dos (block_dev_desc_t *dev_desc);
#endif /* _PART_H */