From dd3140588d9551235ebc2a0dacdca098e7677573 Mon Sep 17 00:00:00 2001 From: Daniel De Graaf Date: Mon, 7 Feb 2011 17:23:05 -0500 Subject: 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 Signed-off-by: Konrad Rzeszutek Wilk --- drivers/xen/Kconfig | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/xen/Kconfig') diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index 07bec09..a3d7afb 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 -- cgit v1.1