src/block/block.c


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#include <toxic/config.h>
#include <toxic/string.h>
#include <block/block.h>
#include <ata/ata.h>

/*
 * Only primary ATA disk is supported by now, just
 * hardcode it here.
 */
struct bdev hda;

/* Init block layer */
void
block_init()
{
	memset(&hda, 0, sizeof(struct bdev));
	hda.id = TOXIC_HDA_0;
	hda.sector_size = SECTOR_SIZE;
}

struct bdev *
bdev_get(int id)
{
	/* Just a single bdev is supported */
	if (id)
		return NULL;

	return &hda;
}

/* Read len bytes from bdev starting at addr into buf*/
int
bread(
	struct bdev *bdev,
	unsigned int addr,
	unsigned int len,
	void *buf)
{
	/*
	 * XXX: This should be a function call into the disk driver.
	 *	i.e. bdev->read(),  or something like that
	 */
	return ata_read_sector(addr, len, buf);
}