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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Nicholas A. Bellinger" <nab@linux-iscsi.org>,
	"Michael S. Tsirkin" <mst@redhat.com>
Cc: "Nicholas A. Bellinger" <nab@daterainc.com>,
	target-devel <target-devel@vger.kernel.org>,
	linux-scsi <linux-scsi@vger.kernel.org>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Sagi Grimberg <sagig@mellanox.com>,
	Christoph Hellwig <hch@lst.de>, Hannes Reinecke <hare@suse.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Sagi Grimberg <sagig@dev.mellanox.co.il>,
	virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 6/6] virtio-scsi: Enable DIF/DIX modes in SCSI host LLD
Date: Tue, 20 May 2014 10:35:28 +0200	[thread overview]
Message-ID: <537B13D0.3030007@redhat.com> (raw)
In-Reply-To: <1400526423.10964.31.camel@haakon3.risingtidesystems.com>

Il 19/05/2014 21:07, Nicholas A. Bellinger ha scritto:
> Hi MST,
>
> So I've finally got some cycles to get back to this code, and wanted to
> verify the outstanding items you had previously raised:
>
> - Convert vhost-scsi to be independent of IOV layout using
>   memcpy_fromiovecend. (Does this effect existing non PI virtio-scsi
>   operation..?)
> - Report VIRTIO_F_ANY_LAYOUT feature bit to userspace.
> - Convert virtio_scsi_cmd_req_pi to bytes field instead of number of
>   iovecs.

This is the only item really required, since the bytes field is what 
will be in VIRTIO 1.0.  The other would be nice to have, but not a 
blocker for PI support.

> - Ensure virtio_scsi_cmd_req_pi is naturally aligned

mst already commented on this.

> - Figure out why QEMU is not acking (any) vhost-scsi feature bits

This is a separate bug, isn't it?  It need not block PI support.

Paolo

  parent reply	other threads:[~2014-05-20  8:35 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-06 21:32 [PATCH 0/6] vhost/scsi: Add T10 PI SGL passthrough support Nicholas A. Bellinger
2014-04-06 21:32 ` [PATCH 1/6] virtio-scsi.h: Add virtio_scsi_cmd_req_pi + VIRTIO_SCSI_F_T10_PI bits Nicholas A. Bellinger
2014-04-07  9:55   ` Michael S. Tsirkin
2014-04-08 20:31     ` Paolo Bonzini
2014-04-09 13:22       ` Michael S. Tsirkin
2014-04-13  1:18         ` Paolo Bonzini
2014-04-06 21:32 ` [PATCH 2/6] vhost/scsi: Move sanity check into vhost_scsi_map_iov_to_sgl Nicholas A. Bellinger
2014-04-06 21:32 ` [PATCH 3/6] vhost/scsi: Add preallocation of protection SGLs Nicholas A. Bellinger
2014-04-06 21:32 ` [PATCH 4/6] vhost/scsi: Add T10 PI IOV -> SGL memory mapping logic Nicholas A. Bellinger
2014-04-06 21:32 ` [PATCH 5/6] vhost/scsi: Enable T10 PI IOV -> SGL memory mapping Nicholas A. Bellinger
2014-04-07  9:16   ` Michael S. Tsirkin
2014-04-08 20:36     ` Paolo Bonzini
2014-04-06 21:32 ` [PATCH 6/6] virtio-scsi: Enable DIF/DIX modes in SCSI host LLD Nicholas A. Bellinger
2014-04-07  8:03   ` Sagi Grimberg
2014-04-07  8:40     ` Nicholas A. Bellinger
2014-04-07  8:45   ` Michael S. Tsirkin
2014-04-07  8:56     ` Nicholas A. Bellinger
2014-04-07  9:02       ` Michael S. Tsirkin
2014-04-07  9:13         ` Nicholas A. Bellinger
2014-04-08 20:35           ` Paolo Bonzini
2014-05-07  9:13       ` Michael S. Tsirkin
2014-05-19 19:07         ` Nicholas A. Bellinger
2014-05-19 19:15           ` Michael S. Tsirkin
2014-05-19 20:54             ` Nicholas A. Bellinger
2014-05-19 22:43               ` Michael S. Tsirkin
2014-05-20  8:35           ` Paolo Bonzini [this message]
2014-05-20 18:24             ` Nicholas A. Bellinger

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