diff options
Diffstat (limited to 'tools/libxc')
| -rw-r--r-- | tools/libxc/xc_misc.c | 15 | ||||
| -rw-r--r-- | tools/libxc/xenctrl.h | 10 |
2 files changed, 24 insertions, 1 deletions
diff --git a/tools/libxc/xc_misc.c b/tools/libxc/xc_misc.c index 777727df65..56efe6a28b 100644 --- a/tools/libxc/xc_misc.c +++ b/tools/libxc/xc_misc.c @@ -54,6 +54,11 @@ int xc_get_cpumap_size(xc_interface *xch) return (xc_get_max_cpus(xch) + 7) / 8; } +int xc_get_nodemap_size(xc_interface *xch) +{ + return (xc_get_max_nodes(xch) + 7) / 8; +} + xc_cpumap_t xc_cpumap_alloc(xc_interface *xch) { int sz; @@ -64,6 +69,16 @@ xc_cpumap_t xc_cpumap_alloc(xc_interface *xch) return calloc(1, sz); } +xc_nodemap_t xc_nodemap_alloc(xc_interface *xch) +{ + int sz; + + sz = xc_get_nodemap_size(xch); + if (sz == 0) + return NULL; + return calloc(1, sz); +} + int xc_readconsolering(xc_interface *xch, char *buffer, unsigned int *pnr_chars, diff --git a/tools/libxc/xenctrl.h b/tools/libxc/xenctrl.h index 9676a9f37b..d3185c6d42 100644 --- a/tools/libxc/xenctrl.h +++ b/tools/libxc/xenctrl.h @@ -334,12 +334,20 @@ int xc_get_cpumap_size(xc_interface *xch); /* allocate a cpumap */ xc_cpumap_t xc_cpumap_alloc(xc_interface *xch); - /* +/* * NODEMAP handling */ +typedef uint8_t *xc_nodemap_t; + /* return maximum number of NUMA nodes the hypervisor supports */ int xc_get_max_nodes(xc_interface *xch); +/* return array size for nodemap */ +int xc_get_nodemap_size(xc_interface *xch); + +/* allocate a nodemap */ +xc_nodemap_t xc_nodemap_alloc(xc_interface *xch); + /* * DOMAIN DEBUGGING FUNCTIONS */ |