From 60a3ba0bb45995ecf9cfe208527d7cfd6128d053 Mon Sep 17 00:00:00 2001 From: Mark Goodwin Date: Wed, 17 Aug 2005 15:17:00 -0700 Subject: [IA64] - SGI SN hwperf enhancements - Add a new exported function for determining the nearest node with CPUs for I/O nodes and fix a bug where the hwperf dynamic misc device was being registered before misc_init(). Signed-off-by: Mark Goodwin Signed-off-by: Tony Luck --- include/asm-ia64/sn/sn2/sn_hwperf.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'include/asm-ia64') diff --git a/include/asm-ia64/sn/sn2/sn_hwperf.h b/include/asm-ia64/sn/sn2/sn_hwperf.h index df75f4c4aec..291ef3d69da 100644 --- a/include/asm-ia64/sn/sn2/sn_hwperf.h +++ b/include/asm-ia64/sn/sn2/sn_hwperf.h @@ -43,6 +43,7 @@ struct sn_hwperf_object_info { /* macros for object classification */ #define SN_HWPERF_IS_NODE(x) ((x) && strstr((x)->name, "SHub")) +#define SN_HWPERF_IS_NODE_SHUB2(x) ((x) && strstr((x)->name, "SHub 2.")) #define SN_HWPERF_IS_IONODE(x) ((x) && strstr((x)->name, "TIO")) #define SN_HWPERF_IS_ROUTER(x) ((x) && strstr((x)->name, "Router")) #define SN_HWPERF_IS_NL3ROUTER(x) ((x) && strstr((x)->name, "NL3Router")) @@ -214,6 +215,15 @@ struct sn_hwperf_ioctl_args { */ #define SN_HWPERF_GET_NODE_NASID (102|SN_HWPERF_OP_MEM_COPYOUT) +/* + * Given a node id, determine the id of the nearest node with CPUs + * and the id of the nearest node that has memory. The argument + * node would normally be a "headless" node, e.g. an "IO node". + * Return 0 on success. + */ +extern int sn_hwperf_get_nearest_node(cnodeid_t node, + cnodeid_t *near_mem, cnodeid_t *near_cpu); + /* return codes */ #define SN_HWPERF_OP_OK 0 #define SN_HWPERF_OP_NOMEM 1 -- cgit v1.2.3-70-g09d2