From: Paolo Bonzini <pbonzini@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Alexander Graf <agraf@suse.de>,
qemu-devel qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH v2] ahci: add -drive support
Date: Thu, 12 Jul 2012 13:33:01 +0200 [thread overview]
Message-ID: <4FFEB5ED.20405@redhat.com> (raw)
In-Reply-To: <m3liiptev8.fsf@blackfin.pond.sub.org>
Il 12/07/2012 13:09, Markus Armbruster ha scritto:
>> >
>> > It isn't. AHCI is on the same level as IDE. They both speak ATA, but
>> > the guest os interface is completely different. You can write a
>> > generic IDE driver, but that won't be able to talk to an AHCI
>> > controller in AHCI mode. You can write a generic AHCI driver, but that
>> > won't be able to talk to an IDE controller.
> Yes, but does the naive command line user care?
>
> -serial configures a serial device. The kind of device depends on the
> board: 16550A UARTs with -M pc, Exynos 4210 UARTs with -M nuri, ColdFire
> UARTs with -M an5206, ... You can't write a generic serial device
> driver.
The naive command line user uses -cdrom or just "qemu file.img", they do
not use -drive.
The non-naive command line user who has so far been using -drive with
if=ide, can learn to omit it when they move to q35.
Paolo
next prev parent reply other threads:[~2012-07-12 11:33 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
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 [this message]
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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