diff options
| -rw-r--r-- | tools/libxl/libxl_utils.c | 22 | ||||
| -rw-r--r-- | tools/libxl/libxl_utils.h | 3 |
2 files changed, 25 insertions, 0 deletions
diff --git a/tools/libxl/libxl_utils.c b/tools/libxl/libxl_utils.c index 244725bd7f..1bcac7e2f7 100644 --- a/tools/libxl/libxl_utils.c +++ b/tools/libxl/libxl_utils.c @@ -668,6 +668,28 @@ int libxl_nodemap_to_cpumap(libxl_ctx *ctx, return rc; } +int libxl_node_to_cpumap(libxl_ctx *ctx, int node, + libxl_bitmap *cpumap) +{ + libxl_bitmap nodemap; + int rc = 0; + + libxl_bitmap_init(&nodemap); + + rc = libxl_node_bitmap_alloc(ctx, &nodemap, 0); + if (rc) + goto out; + + libxl_bitmap_set_none(&nodemap); + libxl_bitmap_set(&nodemap, node); + + rc = libxl_nodemap_to_cpumap(ctx, &nodemap, cpumap); + + out: + libxl_bitmap_dispose(&nodemap); + return rc; +} + int libxl_cpumap_to_nodemap(libxl_ctx *ctx, const libxl_bitmap *cpumap, libxl_bitmap *nodemap) diff --git a/tools/libxl/libxl_utils.h b/tools/libxl/libxl_utils.h index a430362fe5..7b84e6a0a4 100644 --- a/tools/libxl/libxl_utils.h +++ b/tools/libxl/libxl_utils.h @@ -129,6 +129,9 @@ static inline int libxl_node_bitmap_alloc(libxl_ctx *ctx, int libxl_nodemap_to_cpumap(libxl_ctx *ctx, const libxl_bitmap *nodemap, libxl_bitmap *cpumap); +/* Populate cpumap with the cpus spanned by node */ +int libxl_node_to_cpumap(libxl_ctx *ctx, int node, + libxl_bitmap *cpumap); /* Populate nodemap with the nodes of the cpus in cpumap */ int libxl_cpumap_to_nodemap(libxl_ctx *ctx, const libxl_bitmap *cpuemap, |