staging: vme: mmap() support for vme_user
We also make sure that user won't be able to reconfigure the window while it is
mmap'ed.
Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Martyn Welch <martyn.welch@ge.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/linux/vme.h b/include/linux/vme.h
index 8cd6f19..79242e9 100644
--- a/include/linux/vme.h
+++ b/include/linux/vme.h
@@ -137,6 +137,7 @@
ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int,
unsigned int, loff_t);
+int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma);
void vme_master_free(struct vme_resource *);
struct vme_resource *vme_dma_request(struct vme_dev *, u32);