From: Hannes Reinecke <hare@suse.de>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: virtualization@lists.linux-foundation.org, kvm@vger.kernel.org
Subject: Re: [RFC] [PATCH] SCSI passthrough for virtio-blk
Date: Fri, 29 Aug 2008 13:47:34 +0200 [thread overview]
Message-ID: <48B7E1D6.4020500@suse.de> (raw)
In-Reply-To: <200808291301.44242.borntraeger@de.ibm.com>
Hi Christian,
Christian Borntraeger wrote:
> Am Freitag, 29. August 2008 schrieb Hannes Reinecke:
>> So when using '-drive file=/dev/sgXX,if=virtio,format=host_device' you
>> can happily call any sg_XX command on the resulting vdX device. Quite
>> neat, methinks. And it's even backwards compatible, so each of these
>> patches should work without the other one applied.
>
> Does not work here. If the host does not support the pass-through, the device
> drivers waits for an response. I tried sdparm /dev/vda with a patched kernel
> and an unpatched userspace.
>
Hmm. Works here, using an unpatched kvm-73.
Which version did you use?
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Markus Rex, HRB 16746 (AG Nürnberg)
next prev parent reply other threads:[~2008-08-29 11:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-29 9:28 [RFC] [PATCH] SCSI passthrough for virtio-blk Hannes Reinecke
2008-08-29 11:01 ` Christian Borntraeger
2008-08-29 11:47 ` Hannes Reinecke [this message]
2008-08-29 12:00 ` Christian Borntraeger
2008-08-29 12:04 ` Hannes Reinecke
2008-08-29 12:48 ` Christian Borntraeger
2008-08-29 13:18 ` Christian Borntraeger
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