diff options
| author | Juergen Gross <jgross@suse.com> | 2014-08-28 06:44:11 +0200 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2014-09-23 13:36:19 +0000 |
| commit | 8beb8d4c91d652617dc992de565ec9904361c33e (patch) | |
| tree | d224ac744e751bea5b7454e5be20a3c8cf8c91a5 /drivers/scsi/Kconfig | |
| parent | e124c9a2c3c4c51555fe6f0bc214fe1b5cce3666 (diff) | |
xen-scsifront: Add Xen PV SCSI frontend driver
Introduces the Xen pvSCSI frontend. 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
- move module to appropriate location in kernel tree
- adapt to Linux style guide
- some minor code simplifications
- replace constants with defines
- remove not used defines
- add support for larger SG lists by putting them in a granted page
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'drivers/scsi/Kconfig')
| -rw-r--r-- | drivers/scsi/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 18a3358eb1d4..9130df14f742 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -576,6 +576,15 @@ config VMWARE_PVSCSI To compile this driver as a module, choose M here: the module will be called vmw_pvscsi. +config XEN_SCSI_FRONTEND + tristate "XEN SCSI frontend driver" + depends on SCSI && XEN + help + The XEN SCSI frontend driver allows the kernel to access SCSI Devices + within another guest OS (usually Dom0). + Only needed if the kernel is running in a XEN guest and generic + SCSI access to a device is needed. + config HYPERV_STORAGE tristate "Microsoft Hyper-V virtual storage driver" depends on SCSI && HYPERV |