From: Christoph Hellwig <hch@lst.de>
To: Hannes Reinecke <hare@suse.de>
Cc: Gerd Hoffmann <kraxel@redhat.com>,
qemu-devel@nongnu.org, kvm@vger.kernel.org,
virtualization@lists.linux-foundation.org
Subject: Re: [Qemu-devel] [PATCH 0/4] megaraid_sas HBA emulation
Date: Wed, 28 Oct 2009 09:40:22 +0100 [thread overview]
Message-ID: <20091028084022.GB17601@lst.de> (raw)
In-Reply-To: <20091028091129.n46xqd1lww8oosc8@imap.suse.de>
On Wed, Oct 28, 2009 at 09:11:29AM +0100, Hannes Reinecke wrote:
> The problem is I don't have any documentation for the LSI parallel
> SCSI controller. So I don't know if and in what shape I/O is passed
> down, nor anything else. And as the SCSI disk emulation is really
> tied into the LSI parallel SCSI controller, any change in the former
> is likely to break the latter.
scsi-disk is not tied into the lsi/symbios driver. It's also used
by the esp driver and usb-mcd. But it's a complete mess, and all my
attempts to untangle it have so far failed with my brain hurting for
a long time after.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Hannes Reinecke <hare@suse.de>
Cc: virtualization@lists.linux-foundation.org,
Gerd Hoffmann <kraxel@redhat.com>,
kvm@vger.kernel.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 0/4] megaraid_sas HBA emulation
Date: Wed, 28 Oct 2009 09:40:22 +0100 [thread overview]
Message-ID: <20091028084022.GB17601@lst.de> (raw)
In-Reply-To: <20091028091129.n46xqd1lww8oosc8@imap.suse.de>
On Wed, Oct 28, 2009 at 09:11:29AM +0100, Hannes Reinecke wrote:
> The problem is I don't have any documentation for the LSI parallel
> SCSI controller. So I don't know if and in what shape I/O is passed
> down, nor anything else. And as the SCSI disk emulation is really
> tied into the LSI parallel SCSI controller, any change in the former
> is likely to break the latter.
scsi-disk is not tied into the lsi/symbios driver. It's also used
by the esp driver and usb-mcd. But it's a complete mess, and all my
attempts to untangle it have so far failed with my brain hurting for
a long time after.
next prev parent reply other threads:[~2009-10-28 8:40 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-27 15:26 [PATCH 0/4] megaraid_sas HBA emulation Hannes Reinecke
2009-10-27 15:26 ` [Qemu-devel] " Hannes Reinecke
2009-10-27 16:47 ` Gerd Hoffmann
2009-10-27 16:47 ` Gerd Hoffmann
2009-10-28 8:11 ` Hannes Reinecke
2009-10-28 8:11 ` Hannes Reinecke
2009-10-28 8:20 ` Avi Kivity
2009-10-28 8:20 ` Avi Kivity
2009-10-28 8:20 ` Avi Kivity
2009-10-28 8:40 ` Christoph Hellwig
2009-10-28 8:40 ` Christoph Hellwig [this message]
2009-10-28 8:40 ` Christoph Hellwig
2009-10-28 10:54 ` Gerd Hoffmann
2009-10-28 10:54 ` Gerd Hoffmann
2009-10-28 13:58 ` Gerd Hoffmann
2009-10-28 13:58 ` Gerd Hoffmann
2009-10-28 19:25 ` Hannes Reinecke
2009-10-28 19:25 ` Hannes Reinecke
2009-10-29 4:37 ` Christoph Hellwig
2009-10-29 4:37 ` Christoph Hellwig
2009-10-29 4:37 ` Christoph Hellwig
2009-10-29 8:47 ` Gerd Hoffmann
2009-10-29 8:47 ` Gerd Hoffmann
2009-10-29 8:47 ` Gerd Hoffmann
2009-10-29 12:57 ` Gerd Hoffmann
2009-10-29 12:57 ` Gerd Hoffmann
2009-10-29 14:57 ` Christoph Hellwig
2009-10-29 14:57 ` Christoph Hellwig
2009-10-29 15:14 ` Anthony Liguori
2009-10-29 15:14 ` Anthony Liguori
2009-10-29 15:14 ` Anthony Liguori
2009-10-29 15:15 ` Christoph Hellwig
2009-10-29 15:15 ` Christoph Hellwig
2009-10-29 15:25 ` Anthony Liguori
2009-10-29 15:25 ` Anthony Liguori
2009-10-30 8:55 ` Gerd Hoffmann
2009-10-30 8:55 ` Gerd Hoffmann
2009-10-30 8:55 ` Gerd Hoffmann
2009-10-29 15:25 ` Anthony Liguori
2009-10-29 15:15 ` Christoph Hellwig
2009-10-29 14:57 ` Christoph Hellwig
2009-10-30 8:12 ` Hannes Reinecke
2009-10-30 8:12 ` Hannes Reinecke
2009-10-30 8:12 ` Hannes Reinecke
2009-11-03 21:03 ` Gerd Hoffmann
2009-11-03 21:03 ` Gerd Hoffmann
2009-11-03 21:03 ` Gerd Hoffmann
2009-10-29 12:57 ` Gerd Hoffmann
2009-10-28 10:54 ` Gerd Hoffmann
2009-10-28 8:11 ` Hannes Reinecke
2009-10-27 16:47 ` Gerd Hoffmann
2009-11-11 1:49 ` Paul Brook
2009-11-11 1:49 ` Paul Brook
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20091028084022.GB17601@lst.de \
--to=hch@lst.de \
--cc=hare@suse.de \
--cc=kraxel@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=qemu-devel@nongnu.org \
--cc=virtualization@lists.linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.