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

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

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.