Mailing List Archive

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@lagarcavilla.org>

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,

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