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authorNicholas Bellinger <nab@linux-iscsi.org>2014-02-23 03:23:33 +0100
committerNicholas Bellinger <nab@linux-iscsi.org>2014-06-02 21:42:19 +0200
commite6dc783a38ec0f2a5a91edda3f76195dffb17a16 (patch)
tree1e14032708ce350bbdc575dd07cbc20c7c8235d4 /drivers/scsi/Kconfig
parentvhost/scsi: Enable T10 PI IOV -> SGL memory mapping (diff)
downloadlinux-e6dc783a38ec0f2a5a91edda3f76195dffb17a16.tar.xz
linux-e6dc783a38ec0f2a5a91edda3f76195dffb17a16.zip
virtio-scsi: Enable DIF/DIX modes in SCSI host LLD
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->pi_bytes[out,in] field to signal to signal to vhost/scsi bytes to expect for protection data. (Add missing #include <linux/blkdev.h> for blk_integrity - sfr + nab) Acked-by: Paolo Bonzini <pbonzini@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Sagi Grimberg <sagig@dev.mellanox.co.il> Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/scsi/Kconfig')
-rw-r--r--drivers/scsi/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 02832d64d918..baca5897039f 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -1773,6 +1773,7 @@ config SCSI_BFA_FC
config SCSI_VIRTIO
tristate "virtio-scsi support"
depends on VIRTIO
+ select BLK_DEV_INTEGRITY
help
This is the virtual HBA driver for virtio. If the kernel will
be used in a virtual machine, say Y or M.