[PATCH v7 13/13] xen: introduce a Kconfig option to enable the pvcalls frontend

[Stefano Stabellini <sstabellini@kernel.org>]

Also add pvcalls-front to the Makefile.

Signed-off-by: Stefano Stabellini <stefano@aporeto.com>
CC: boris.ostrovsky@oracle.com
CC: jgross@suse.com
---
 drivers/xen/Kconfig  | 11 +++++++++++
 drivers/xen/Makefile |  1 +
 2 files changed, 12 insertions(+)

diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index 4545561..d8dd546 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -196,6 +196,17 @@ config XEN_PCIDEV_BACKEND
 
 	  If in doubt, say m.
 
+config XEN_PVCALLS_FRONTEND
+	tristate "XEN PV Calls frontend driver"
+	depends on INET && XEN
+	default n
+	select XEN_XENBUS_FRONTEND
+	help
+	  Experimental frontend for the Xen PV Calls protocol
+	  (https://xenbits.xen.org/docs/unstable/misc/pvcalls.html). It
+	  sends a small set of POSIX calls to the backend, which
+	  implements them.
+
 config XEN_PVCALLS_BACKEND
 	bool "XEN PV Calls backend driver"
 	depends on INET && XEN && XEN_BACKEND
diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
index 480b928..afb9e03 100644
--- a/drivers/xen/Makefile
+++ b/drivers/xen/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_XEN_EFI)			+= efi.o
 obj-$(CONFIG_XEN_SCSI_BACKEND)		+= xen-scsiback.o
 obj-$(CONFIG_XEN_AUTO_XLATE)		+= xlate_mmu.o
 obj-$(CONFIG_XEN_PVCALLS_BACKEND)	+= pvcalls-back.o
+obj-$(CONFIG_XEN_PVCALLS_FRONTEND)	+= pvcalls-front.o
 xen-evtchn-y				:= evtchn.o
 xen-gntdev-y				:= gntdev.o
 xen-gntalloc-y				:= gntalloc.o
-- 
1.9.1