On Mon, 2014-04-07 at 11:45 +0300, Michael S. Tsirkin wrote: > On Sun, Apr 06, 2014 at 09:32:09PM +0000, Nicholas A. Bellinger wrote: > > From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx> > > > > This patch updates virtscsi_probe() to setup necessary Scsi_Host > > level protection resources. (currently hardcoded to 1) > > > > It changes virtscsi_add_cmd() to attach outgoing / incoming > > protection SGLs preceeding the data payload, and is using the > > new virtio_scsi_cmd_req_pi->d[oi],pi_niv field to signal > > to signal to vhost/scsi how many prot_sgs to expect. > > > > v3 changes: > > - Use VIRTIO_SCSI_F_T10_PI to determine PI or non PI header (Paolo) > > > > v2 changes: > > - Make protection buffer come before data buffer (Paolo) > > - Enable virtio_scsi_cmd_req_pi usage (Paolo) > > > > Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> > > Cc: Michael S. Tsirkin <mst@xxxxxxxxxx> > > Cc: Martin K. Petersen <martin.petersen@xxxxxxxxxx> > > Cc: Christoph Hellwig <hch@xxxxxx> > > Cc: Hannes Reinecke <hare@xxxxxxx> > > Cc: Sagi Grimberg <sagig@xxxxxxxxxxxxxxxxxx> > > Cc: H. Peter Anvin <hpa@xxxxxxxxx> > > Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx> > > OK but we need to document the new interface in the spec > (and incidentially, this will be useful to verify the assumptions > made here and on the host side). > Could you please submit this proposal to the OASIS Virtio TC > for inclusion into the next spec draft? > Ideally as a patch against the tex source, but a prose > description would do as well. Most certainly. Please give me a bit to follow up on this, as the next couple of days are going to be hellishly busy.. > The TC meets on a bi-weekly basis, we should be able to ratify > this quickly. > Aside from that, please consider ACK'ing the vhost specific changes so these can make it into v3.15-rc1 code. --nab -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
