[Xen-devel] [PATCH 2 of 5] Tools: Libxc wrappers to add shared pages to physmap

[Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>]

 tools/libxc/xc_memshr.c |  23 +++++++++++++++++++++++
 tools/libxc/xenctrl.h   |   6 ++++++
 2 files changed, 29 insertions(+), 0 deletions(-)


Signed-off-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>

diff -r b8be3a08e628 -r 14f08673af6a tools/libxc/xc_memshr.c
--- a/tools/libxc/xc_memshr.c
+++ b/tools/libxc/xc_memshr.c
@@ -86,6 +86,29 @@ int xc_memshr_nominate_gref(xc_interface
     return ret;
 }
 
+int xc_memshr_add_to_physmap(xc_interface *xch,
+                    uint32_t source_domain,
+                    uint64_t source_gfn,
+                    uint64_t source_handle,
+                    uint32_t client_domain,
+                    uint64_t client_gfn)
+{
+    DECLARE_DOMCTL;
+    struct xen_domctl_mem_sharing_op *op;
+
+    domctl.cmd                  = XEN_DOMCTL_mem_sharing_op;
+    domctl.interface_version    = XEN_DOMCTL_INTERFACE_VERSION;
+    domctl.domain               = (domid_t) source_domain;
+    op = &(domctl.u.mem_sharing_op);
+    op->op = XEN_DOMCTL_MEM_EVENT_OP_SHARING_ADD_PHYSMAP;
+    op->u.share.source_gfn      = source_gfn;
+    op->u.share.source_handle   = source_handle;
+    op->u.share.client_gfn      = client_gfn;
+    op->u.share.client_domain   = (uint64_t) client_domain;
+
+    return do_domctl(xch, &domctl);
+}
+
 int xc_memshr_share(xc_interface *xch,
                     uint32_t source_domain,
                     uint64_t source_gfn,
diff -r b8be3a08e628 -r 14f08673af6a tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h
+++ b/tools/libxc/xenctrl.h
@@ -1895,6 +1895,12 @@ int xc_memshr_nominate_gref(xc_interface
                             uint32_t domid,
                             grant_ref_t gref,
                             uint64_t *handle);
+int xc_memshr_add_to_physmap(xc_interface *xch,
+                    uint32_t source_domain,
+                    uint64_t source_gfn,
+                    uint64_t source_handle,
+                    uint32_t client_domain,
+                    uint64_t client_gfn);
 int xc_memshr_share(xc_interface *xch,
                     uint32_t source_domain,
                     uint64_t source_gfn,

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel