ide.h File Reference

External G2 Bus-based IDE support. More...

#include <arch/types.h>

Go to the source code of this file.

Functions
int	ide_read (uint32 linear, uint32 numsects, void *bufptr)
	Read sectors from the hard disk via PIO.
int	ide_write (uint32 linear, uint32 numsects, void *bufptr)
	Write sectors from the hard disk via PIO.
uint32	ide_num_sectors ()
	Retrieve the number of sectors from the hard disk.
int	ide_init ()
	Initialize Navi IDE.
void	ide_shutdown ()
	Shutdown Navi IDE.

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Detailed Description

External G2 Bus-based IDE support.

This file is involved with accessing an IDE controller that is attached to the G2 Bus expansion port. Exact details of how to build such a device have been posted in various places around the Internet. This driver refers to the device built by Dan as a part of the Navi project.

Author:

Dan Potter

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Function Documentation

int ide_init

(

)

Initialize Navi IDE.

Returns:

0 on success (no error conditions defined).

uint32 ide_num_sectors

(

)

Retrieve the number of sectors from the hard disk.

Returns:

The total number of linear sectors.

int ide_read	(	uint32	linear,
		uint32	numsects,
		void *	bufptr
	)

Read sectors from the hard disk via PIO.

Parameters:

linear	The address to begin reading from.
numsects	The number of sectors to read.
bufptr	The buffer to read into.

Returns:

0 on success, <0 on error.

void ide_shutdown

(

)

Shutdown Navi IDE.

int ide_write	(	uint32	linear,
		uint32	numsects,
		void *	bufptr
	)

Write sectors from the hard disk via PIO.

Parameters:

linear	The address to begin writing to.
numsects	The number of sectors to write.
bufptr	The buffer to write out of.

Returns:

0 on success, <0 on error.