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authorDaniel De Graaf <dgdegra@tycho.nsa.gov>2011-02-08 01:23:05 +0300
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-02-14 22:16:17 +0300
commitdd3140588d9551235ebc2a0dacdca098e7677573 (patch)
treee9d7c229121b6bd00627b8e6f45235ea6b8ec790 /drivers/xen/Kconfig
parentaab8f11a6b4641fcb8c139420f2eae879b5d1698 (diff)
downloadlinux-dd3140588d9551235ebc2a0dacdca098e7677573.tar.xz
xen-gntalloc: Userspace grant allocation driver
This allows a userspace application to allocate a shared page for implementing inter-domain communication or device drivers. These shared pages can be mapped using the gntdev device or by the kernel in another domain. Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen/Kconfig')
-rw-r--r--drivers/xen/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index 07bec09d1dad..a3d7afb86ae4 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -80,6 +80,14 @@ config XEN_GNTDEV
help
Allows userspace processes to use grants.
+config XEN_GRANT_DEV_ALLOC
+ tristate "User-space grant reference allocator driver"
+ depends on XEN
+ help
+ Allows userspace processes to create pages with access granted
+ to other domains. This can be used to implement frontend drivers
+ or as part of an inter-domain shared memory channel.
+
config XEN_PLATFORM_PCI
tristate "xen platform pci device driver"
depends on XEN_PVHVM && PCI