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-rw-r--r--drivers/block/Kconfig11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 7a4c787a5edf..f744de7a0f9b 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -500,11 +500,20 @@ config XEN_BLKDEV_BACKEND
config VIRTIO_BLK
tristate "Virtio block driver"
depends on VIRTIO
- select BLK_SCSI_REQUEST
---help---
This is the virtual block driver for virtio. It can be used with
lguest or QEMU based VMMs (like KVM or Xen). Say Y or M.
+config VIRTIO_BLK_SCSI
+ bool "SCSI passthrough request for the Virtio block driver"
+ depends on VIRTIO_BLK
+ select BLK_SCSI_REQUEST
+ ---help---
+ Enable support for SCSI passthrough (e.g. the SG_IO ioctl) on
+ virtio-blk devices. This is only supported for the legacy
+ virtio protocol and not enabled by default by any hypervisor.
+ Your probably want to virtio-scsi instead.
+
config BLK_DEV_HD
bool "Very old hard disk (MFM/RLL/IDE) driver"
depends on HAVE_IDE