libxl: allow for explicitly specifying node-affinity

By introducing a nodemap in libxl_domain_build_info and
providing the get/set methods to deal with it.

Signed-off-by: Dario Faggioli <dario.faggioli@citrix.com>
Acked-by: Juergen Gross <juergen.gross@ts.fujitsu.com>
Acked-by: George Dunlap <george.dunlap@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h
index 4922313e55..92f3f8ee0b 100644
--- a/tools/libxl/libxl.h
+++ b/tools/libxl/libxl.h
@@ -75,6 +75,13 @@
 #define LIBXL_HAVE_FIRMWARE_PASSTHROUGH 1
 
 /*
+ * LIBXL_HAVE_DOMAIN_NODEAFFINITY indicates that a 'nodemap' field
+ * (of libxl_bitmap type) is present in libxl_domain_build_info,
+ * containing the node-affinity for the domain.
+ */
+#define LIBXL_HAVE_DOMAIN_NODEAFFINITY 1
+
+/*
  * libxl ABI compatibility
  *
  * The only guarantee which libxl makes regarding ABI compatibility
@@ -884,6 +891,10 @@ int libxl_set_vcpuaffinity(libxl_ctx *ctx, uint32_t domid, uint32_t vcpuid,
                            libxl_bitmap *cpumap);
 int libxl_set_vcpuaffinity_all(libxl_ctx *ctx, uint32_t domid,
                                unsigned int max_vcpus, libxl_bitmap *cpumap);
+int libxl_domain_set_nodeaffinity(libxl_ctx *ctx, uint32_t domid,
+                                  libxl_bitmap *nodemap);
+int libxl_domain_get_nodeaffinity(libxl_ctx *ctx, uint32_t domid,
+                                  libxl_bitmap *nodemap);
 int libxl_set_vcpuonline(libxl_ctx *ctx, uint32_t domid, libxl_bitmap *cpumap);
 
 libxl_scheduler libxl_get_scheduler(libxl_ctx *ctx);