]> err.no Git - linux-2.6/blobdiff - block/Kconfig
[POWERPC] Provide ability to setup P2P bridge registers from struct resource
[linux-2.6] / block / Kconfig
index 285935134bcd02cedf51cd1330ea1460aca4ca14..ca2ef4e08497f21a8f5f542031839f3e63e18b48 100644 (file)
@@ -51,4 +51,17 @@ config LSF
 
 endif # BLOCK
 
+config BLK_DEV_BSG
+       bool "Block layer SG support v4 (EXPERIMENTAL)"
+       depends on EXPERIMENTAL
+       ---help---
+       Saying Y here will enable generic SG (SCSI generic) v4 support
+       for any block device.
+
+       Unlike SG v3 (aka block/scsi_ioctl.c drivers/scsi/sg.c), SG v4
+       can handle complicated SCSI commands: tagged variable length cdbs
+       with bidirectional data transfers and generic request/response
+       protocols (e.g. Task Management Functions and SMP in Serial
+       Attached SCSI).
+
 source block/Kconfig.iosched