Re: [PATCH] ahci: add "em_buffer" attribute for AHCI hosts

[Jeff Garzik <jgarzik@pobox.com>]

On 03/09/2010 05:37 AM, Harry Zhang wrote:
> Add "em_buffer" attribute for SATA AHCI hosts to enable user access AHCI EM
> (enclosure management) buffer in user space if the host support EM.
>
> AHCI driver should support SGPIO EM message. However the SATA/AHCI spec does no
> define the SGPIO message format filled in EM buffer. Different HW vendors may
> have different definitions. The mainly purpose of "em_buffer" attribute is to
> solve this issue by allowing HW vendors to provide user space SGPIO drivers and
> tools.
>
> Signed-off-by: Harry Zhang<harry.zhang@amd.com>
> ---
>   drivers/ata/ahci.c        |   73 +++++++++++++++++++++++++++++++++++++++++---
>   drivers/ata/libata-scsi.c |   14 ++++++++
>   include/linux/libata.h    |    3 ++
>   3 files changed, 85 insertions(+), 5 deletions(-)

As noted in the email about ahci rebase, please update this patch 
against the latest libata-dev.git#upstream, which includes copious ahci 
changes.

Thanks,

	Jeff