From: Amit Shah <amit.shah@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-devel@nongnu.org, "Hervé Poussineau" <hpoussin@reactos.org>,
ppandit@redhat.com
Subject: Re: [Qemu-devel] [PATCH v2] scsi: esp: remove handling of SATN/STOP
Date: Fri, 17 Jun 2016 18:10:11 +0530 [thread overview]
Message-ID: <20160617124011.GC22759@grmbl.mre> (raw)
In-Reply-To: <1466157348-14488-1-git-send-email-pbonzini@redhat.com>
On (Fri) 17 Jun 2016 [11:55:48], Paolo Bonzini wrote:
> The implementation of SATN/STOP is completely busted. The idea
> would be that the next DMA read is for a SCSI message and after
> that the adapter would transition to the command phase.
>
> The recent fix to SATN/STOP broke migration, which is one more
> reason to drop SATN/STOP handling completely. It is only used
> in practice to send 3-byte messages (target number + tag type
> + tag number) for tagged command queuing on adapters that lack
> the SATN3 command, and we do not advertise support for TCQ.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Thanks, the vmstate bits are fine.
Amit
next prev parent reply other threads:[~2016-06-17 12:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-17 9:55 [Qemu-devel] [PATCH v2] scsi: esp: remove handling of SATN/STOP Paolo Bonzini
2016-06-17 11:08 ` P J P
2016-06-17 12:40 ` Amit Shah [this message]
2016-06-17 13:13 ` Mark Cave-Ayland
2016-06-17 13:35 ` Paolo Bonzini
2016-06-17 13:41 ` Mark Cave-Ayland
2016-06-17 14:12 ` Paolo Bonzini
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