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authorJuergen Gross <jgross@suse.com>2014-08-28 06:44:12 +0200
committerStefano Stabellini <stefano.stabellini@eu.citrix.com>2014-09-23 13:36:19 +0000
commitd9d660f6e562a47b4065eeb7e538910b0471b988 (patch)
treec24c55c66e0778c71e3a1ae960ce352544e06567 /drivers/xen/Makefile
parent8beb8d4c91d652617dc992de565ec9904361c33e (diff)
downloadlinux-d9d660f6e562a47b4065eeb7e538910b0471b988.tar.bz2
xen-scsiback: Add Xen PV SCSI backend driver
Introduces the Xen pvSCSI backend. With pvSCSI it is possible for a Xen domU to issue SCSI commands to a SCSI LUN assigned to that domU. The SCSI commands are passed to the pvSCSI backend in a driver domain (usually Dom0) which is owner of the physical device. This allows e.g. to use SCSI tape drives in a Xen domU. The code is taken from the pvSCSI implementation in Xen done by Fujitsu based on Linux kernel 2.6.18. Changes from the original version are: - port to upstream kernel - put all code in just one source file - adapt to Linux style guide - use target core infrastructure instead doing pure pass-through - enable module unloading - support SG-list in grant page(s) - support task abort - remove redundant struct backend - allocate resources dynamically - correct minor error in scsiback_fast_flush_area - free allocated resources in case of error during I/O preparation - remove CDB emulation, now handled by target core infrastructure Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'drivers/xen/Makefile')
-rw-r--r--drivers/xen/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
index 84044b554e33..2140398a2a8c 100644
--- a/drivers/xen/Makefile
+++ b/drivers/xen/Makefile
@@ -36,6 +36,7 @@ obj-$(CONFIG_XEN_ACPI_HOTPLUG_MEMORY) += xen-acpi-memhotplug.o
obj-$(CONFIG_XEN_ACPI_HOTPLUG_CPU) += xen-acpi-cpuhotplug.o
obj-$(CONFIG_XEN_ACPI_PROCESSOR) += xen-acpi-processor.o
obj-$(CONFIG_XEN_EFI) += efi.o
+obj-$(CONFIG_XEN_SCSI_BACKEND) += xen-scsiback.o
xen-evtchn-y := evtchn.o
xen-gntdev-y := gntdev.o
xen-gntalloc-y := gntalloc.o