43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
#ifndef __HD_H
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#define __HD_H
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#include "pata.h"
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#include "hashmap.h"
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struct partition_table {
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unsigned char boot;
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unsigned char start_head;
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unsigned short partition_start;
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unsigned char type;
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unsigned char end_head;
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unsigned short partition_end;
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unsigned int relative_sector;
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unsigned int total_sectors;
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} __attribute__((packed));
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struct block_buffer {
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char key[16];
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unsigned long lba;
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unsigned int accessed;
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unsigned char dirty;
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char buffer[512];
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};
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struct hd_dev {
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struct ide_dev *ide_dev;
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unsigned char drive;
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unsigned char part;
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unsigned int part_offset;
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unsigned int part_len;
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map_t block_buffers;
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};
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extern int init_hd(struct ide_dev *ide);
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extern void hd_sync(int hd);
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extern void hd_buffer_trim();
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extern char *hd_read_block(int hd, unsigned int blockno, char *dest, unsigned int blocksize);
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extern int hd_read_blocks(int hd, unsigned int blockstart, unsigned int blockcount, char *dest, unsigned int blocksize);
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extern void hd_write_blocks(int hd, unsigned int blockstart, unsigned int blockcount, char *source, unsigned int blocksize);
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extern void hd_write_block(int hd, unsigned int blockno, char *source, unsigned int blocksize);
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#endif
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