linux-kernel - Re: [PATCH] Add iSCSI iBFT support.

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Message-ID: <46FBE478.6040602@redhat.com>
Date:	Thu, 27 Sep 2007 13:12:24 -0400
From:	Peter Jones <pjones@...hat.com>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Konrad Rzeszutek <konrad@...nok.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	linux-kernel@...r.kernel.org, konradr@...hat.com,
	konradr@...ux.vnet.ibm.com
Subject: Re: [PATCH] Add iSCSI iBFT support.

H. Peter Anvin wrote:
> Konrad Rzeszutek wrote:
>>>> +config ISCSI_IBFT
>>>> +	tristate "iSCSI Boot Firmware Table Attributes"
>>>> +	depends on X86
>>> why only on X86?
>> PowerPC exports this data via the OpenFirmware so it already shows in 
>> the /sysfs entries. I was thinking to combine those sysfs entries under this 
>> code, but that is something in the future.
>>
>> In regards to all other platforms, I figured I would only make it supported 
>> under platforms that have been tested. Is there anything that stops this from 
>> working for example of IA64? Well no. The hardware that supports the iBFT is 
>> either in the BIOS or in NICs - so the SGI or HP boxes _should_ work, however 
>> I am not comfortable to make it supported unless I've tested it.
>>
> 
> It should, presumably, depend on ACPI, rather than on X86...?

Actually no.  That /should/ be the correct answer, but none of the 
hardware vendors actually provide the table via ACPI yet.  Also, if they 
did, the support for /sys/firmware/acpi/tables/* would be sufficient 
instead of having this code *at all*.

-- 
   Peter
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