Displaying 2 results from an estimated 2 matches for "ioctl_gntdev_grant_ref".
2007 Mar 19
0
[PATCH 2/3] [RFC] User-space grant table device - changes to libxc
...close(int xcg_handle)
+{
+ return close(xcg_handle);
+}
+
+void *xc_gnttab_map_grant_ref(int xcg_handle,
+ uint32_t domid,
+ uint32_t ref,
+ int prot)
+{
+ struct ioctl_gntdev_map_grant_ref map;
+ struct ioctl_gntdev_grant_ref op;
+ void *addr;
+
+ op.domid = domid;
+ op.ref = ref;
+ map.count = 1;
+ map.refs = &op;
+
+ if (ioctl(xcg_handle, IOCTL_GNTDEV_MAP_GRANT_REF, &map)) {
+ return NULL;
+ }
+
+ addr = mmap(NULL, PAGE_SIZE, prot, MAP_SHARED, xcg_handle,
map.index);
+ if (a...
2007 Mar 28
2
[PATCH 2/3] User-space grant table device - main driver
A character device for accessing (in user-space) pages that have been
granted by other domains.
Signed-off-by: Derek Murray <Derek.Murray@cl.cam.ac.uk>
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