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From: Kevin Wolf <kwolf@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: Alexander Graf <agraf@suse.de>,
	qemu-devel qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH v2] ahci: add -drive support
Date: Mon, 09 Jul 2012 11:11:25 +0200	[thread overview]
Message-ID: <4FFAA03D.6020302@redhat.com> (raw)
In-Reply-To: <m3zk79wc6i.fsf@blackfin.pond.sub.org>

Am 09.07.2012 10:50, schrieb Markus Armbruster:
> Alexander Graf <agraf@suse.de> writes:
> 
>> We've had support for creating AHCI devices using -device for a while now,
>> but it's cumbersome to users. We really should provide an easier way for
>> them to leverage the power of AHCI!
>>
>> So let's introduce a new if= option to -drive, giving users the same
>> command line experience as for scsi or ide.
>>
>> Signed-off-by: Alexander Graf <agraf@suse.de>
>>
>> ---
>>
>> v1 -> v2:
>>
>>   - support more than a single drive per adapter
>>   - support index= option
>>   - treat IF_AHCI the same as IF_IDE
> 
> Inhowfar?  Not obvious to me from the patch, or the diff patch v1.
> 
>>   - add is_ata() helper to match AHCI || IDE
> 
> Not addressed:
> 
> Once we switch to q35, if=ahci will become a redundant wart: to add
> drives to the board's AHCI controller, you'll have to use if=ide.
> if=ahci will create new controllers, which is generally not what you
> want.  Ugh.

Can we even make it the default with q35 as long as our AHCI controller
doesn't also expose a legacy interface for compatibility?

Kevin

  reply	other threads:[~2012-07-09  9:11 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1340714974-25489-1-git-send-email-agraf@suse.de>
2012-07-09  8:50 ` [Qemu-devel] [PATCH v2] ahci: add -drive support Markus Armbruster
2012-07-09  9:11   ` Kevin Wolf [this message]
2012-07-09  9:13     ` Alexander Graf
2012-07-09  9:27       ` Kevin Wolf
2012-07-09  9:36         ` Alexander Graf
2012-07-09  9:41           ` Gleb Natapov
2012-07-09  9:44             ` Alexander Graf
2012-07-09  9:46               ` Gleb Natapov
2012-07-09  9:52           ` Kevin Wolf
2012-07-09 10:02             ` Gleb Natapov
2012-07-09 10:03               ` Kevin Wolf
2012-07-09 10:05                 ` Gleb Natapov
2012-07-09 10:14             ` Gerd Hoffmann
2012-07-09 11:05               ` Markus Armbruster
2012-07-09 11:06     ` Markus Armbruster
2012-07-09 11:08       ` Alexander Graf
2012-07-09 11:19         ` Markus Armbruster
2012-07-09 11:22           ` Alexander Graf
2012-07-11 22:33   ` Alexander Graf
2012-07-12  8:17     ` Markus Armbruster
2012-07-12  8:23       ` Alexander Graf
2012-07-12 11:09         ` Markus Armbruster
2012-07-12 11:28           ` Alexander Graf
2012-07-12 11:42             ` Markus Armbruster
2012-07-12 11:33           ` Paolo Bonzini
2012-07-12  8:42       ` Gerd Hoffmann
2012-07-12 10:58         ` Markus Armbruster
2012-07-12 11:50       ` Alexander Graf
2012-07-12 14:39         ` Markus Armbruster

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