Re: [BK PATCHES] add ata scsi driver

[Andre Hedrick]

JG,

This is the right move after months of debating ideas.
Migrating the contents of ./drivers/ide/pci to scsi is reasonable too.
This will allow the legacy drivers to die.

Taskfile came to late to be really useful, it is now best used as a model
to tackle FIS/FPDMA mapping for SATA II.

Linus, my professional opinion is to follow Jeff's direction for 2.5/2.6.
This will allow Linux to push open source to the hardware vendors.
There are several bastardized scsi-ide drivers in ./scsi.

pci2000.c,h :: pci2220i.c,h :: psi240i.c,h + psi_*.h :: eata*

ATAPI is nothing more than Bastardized SCSI beaten with an ugly stick.

Packet-Taskfile is more than painful, and I am not in the fighting mood.

Cheers,

Andre

On Mon, 26 May 2003, Jeff Garzik wrote:

> Just to echo some comments I said in private, this driver is _not_
> a replacement for drivers/ide.  This is not, and has never been,
> the intention.  In fact, I need drivers/ide's continued existence,
> so that I may have fewer boundaries on future development.
> 
> Even though ATAPI support doesn't exist and error handling is
> primitive, this driver has been extensively tested locally and I feel
> is ready for a full and public kernel developer assault :)
> 
> James ok'd sending this...  I'll be sending "un-hack scsi headers" patch
> through him via his scsi-misc-2.5 tree.
> 
> 
> 
> 
> Linus, please do a
> 
> 	bk pull bk://kernel.bkbits.net/jgarzik/scsi-2.5
> 
> Others may download the patch from
> 
> ftp://ftp.kernel.org/pub/linux/kernel/people/jgarzik/patchkits/2.5/2.5.69-bk18-scsi1.patch.bz2
> 
> This will update the following files:
> 
>  drivers/scsi/Kconfig    |   27 
>  drivers/scsi/Makefile   |    1 
>  drivers/scsi/ata_piix.c |  322 ++++++
>  drivers/scsi/libata.c   | 2247 ++++++++++++++++++++++++++++++++++++++++++++++++
>  include/linux/ata.h     |  485 ++++++++++
>  5 files changed, 3082 insertions(+)
> 
> through these ChangeSets:
> 
> <[e-mail]> (03/05/26 1.1357)
>    [scsi ata] make PATA config option actually do something useful
> 
> <[e-mail]> (03/05/26 1.1356)
>    [scsi ata] include hacks, b/c scsi headers not in include/linux
> 
> <[e-mail]> (03/05/26 1.1355)
>    [scsi] add ATA driver
> 
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Andre Hedrick
LAD Storage Consulting Group