nuclear@90: #ifndef BDEV_H_
nuclear@90: #define BDEV_H_
nuclear@90: 
nuclear@90: #include "fs.h"	/* for dev_t */
nuclear@90: 
nuclear@90: /* TODO buffer cache */
nuclear@90: 
nuclear@90: struct block_device {
nuclear@90: 	int ata_dev;
nuclear@90: 	uint32_t offset, size;
nuclear@93: 
nuclear@93: 	/* Partition type (if the blkdev is a partition), otherwise 0.
nuclear@93: 	 * Used as just an extra sanity check to make sure we don't
nuclear@93: 	 * try to mount the wrong filesystem.
nuclear@93: 	 */
nuclear@93: 	int ptype;
nuclear@90: };
nuclear@90: 
nuclear@90: struct block_device *blk_open(dev_t dev);
nuclear@90: void blk_close(struct block_device *bdev);
nuclear@90: 
nuclear@93: int blk_read(struct block_device *bdev, uint32_t blk, int count, void *buf);
nuclear@93: int blk_write(struct block_device *bdev, uint32_t blk, int count, void *buf);
nuclear@90: 
nuclear@91: dev_t bdev_by_name(const char *name);
nuclear@91: 
nuclear@90: #endif	/* BDEV_H_ */