[Xen-devel] [PATCH] Add pvcalls info to xl man page and add missing LIBXL_HAVE_PVCALLS

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

Add a short entry to the xl.cfg man page about pvcalls.
Also add LIBXL_HAVE_PVCALLS to mark the presence of pvcalls support in
libxl.

Signed-off-by: Stefano Stabellini <stefano@xxxxxxxxxxx>
---
 docs/man/xl.cfg.pod.5.in | 7 +++++++
 tools/libxl/libxl.h      | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/docs/man/xl.cfg.pod.5.in b/docs/man/xl.cfg.pod.5.in
index 2c1a6e1..47d8824 100644
--- a/docs/man/xl.cfg.pod.5.in
+++ b/docs/man/xl.cfg.pod.5.in
@@ -685,6 +685,13 @@ Specify the backend domain name or id, defaults to dom0.
 
 =back
 
+=item B<pvcalls=[ "backend=domain-id", ... ]>
+
+Creates a Xen pvcalls connection to handle pvcalls requests from
+frontend to backend. It can be used as an alternative networking model.
+For more information about the protocol, see
+https://xenbits.xen.org/docs/unstable/misc/pvcalls.html.
+
 =item B<vfb=[ "VFB_SPEC_STRING", "VFB_SPEC_STRING", ...]>
 
 Specifies the paravirtual framebuffer devices which should be supplied
diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h
index bffc5a1..eea57ca 100644
--- a/tools/libxl/libxl.h
+++ b/tools/libxl/libxl.h
@@ -1127,6 +1127,13 @@ void libxl_mac_copy(libxl_ctx *ctx, libxl_mac *dst, 
const libxl_mac *src);
  */
 #define LIBXL_HAVE_PV_SHIM 1
 
+/*
+ * LIBXL_HAVE_PVCALLS
+ *
+ * If this is defined, libxl supports creating pvcalls interfaces.
+ */
+#define LIBXL_HAVE_PVCALLS 1
+
 typedef char **libxl_string_list;
 void libxl_string_list_dispose(libxl_string_list *sl);
 int libxl_string_list_length(const libxl_string_list *sl);
-- 
1.9.1


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