Re: Generic Disk Driver in Linux

From: Ralf Baechle
Date: Thu Aug 24 2006 - 12:51:53 EST


On Thu, Aug 24, 2006 at 06:17:59PM +0530, Daniel Rodrick wrote:

> I was curious that can we develop a generic disk driver that could
> handle all the kinds of hard drives - IDE, SCSI, RAID et al?
>
> I thought we could use the BIOS interrupt 13H for this purpose, but
> ran into a LOT of real mode / protected mode issues.

A BIOS only contains a better than nothing quality driver, take the VESA
VLB driver as an example. And lacks portability, upgrading is a pain.

Ralf
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