1951a39d68df598db08dfced8b4707755864a0492Ying Wang/**************************************************************************** 2951a39d68df598db08dfced8b4707755864a0492Ying Wang **************************************************************************** 3951a39d68df598db08dfced8b4707755864a0492Ying Wang *** 4951a39d68df598db08dfced8b4707755864a0492Ying Wang *** This header was automatically generated from a Linux kernel header 5951a39d68df598db08dfced8b4707755864a0492Ying Wang *** of the same name, to make information necessary for userspace to 6951a39d68df598db08dfced8b4707755864a0492Ying Wang *** call into the kernel available to libc. It contains only constants, 7951a39d68df598db08dfced8b4707755864a0492Ying Wang *** structures, and macros generated from the original header, and thus, 8951a39d68df598db08dfced8b4707755864a0492Ying Wang *** contains no copyrightable information. 9951a39d68df598db08dfced8b4707755864a0492Ying Wang *** 10951a39d68df598db08dfced8b4707755864a0492Ying Wang **************************************************************************** 11951a39d68df598db08dfced8b4707755864a0492Ying Wang ****************************************************************************/ 12951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef __LINUX_NODEMASK_H 13951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __LINUX_NODEMASK_H 14951a39d68df598db08dfced8b4707755864a0492Ying Wang 15951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <linux/kernel.h> 16951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <linux/threads.h> 17951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <linux/bitmap.h> 18951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <linux/numa.h> 19951a39d68df598db08dfced8b4707755864a0492Ying Wang 20951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { DECLARE_BITMAP(bits, MAX_NUMNODES); } nodemask_t; 21951a39d68df598db08dfced8b4707755864a0492Ying Wang 22951a39d68df598db08dfced8b4707755864a0492Ying Wang#define node_set(node, dst) __node_set((node), &(dst)) 23951a39d68df598db08dfced8b4707755864a0492Ying Wang#define node_clear(node, dst) __node_clear((node), &(dst)) 24951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_setall(dst) __nodes_setall(&(dst), MAX_NUMNODES) 25951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_clear(dst) __nodes_clear(&(dst), MAX_NUMNODES) 26951a39d68df598db08dfced8b4707755864a0492Ying Wang#define node_isset(node, nodemask) test_bit((node), (nodemask).bits) 27951a39d68df598db08dfced8b4707755864a0492Ying Wang#define node_test_and_set(node, nodemask) __node_test_and_set((node), &(nodemask)) 28951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_and(dst, src1, src2) __nodes_and(&(dst), &(src1), &(src2), MAX_NUMNODES) 29951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_or(dst, src1, src2) __nodes_or(&(dst), &(src1), &(src2), MAX_NUMNODES) 30951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_xor(dst, src1, src2) __nodes_xor(&(dst), &(src1), &(src2), MAX_NUMNODES) 31951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_andnot(dst, src1, src2) __nodes_andnot(&(dst), &(src1), &(src2), MAX_NUMNODES) 32951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_complement(dst, src) __nodes_complement(&(dst), &(src), MAX_NUMNODES) 33951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_equal(src1, src2) __nodes_equal(&(src1), &(src2), MAX_NUMNODES) 34951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_intersects(src1, src2) __nodes_intersects(&(src1), &(src2), MAX_NUMNODES) 35951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_subset(src1, src2) __nodes_subset(&(src1), &(src2), MAX_NUMNODES) 36951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_empty(src) __nodes_empty(&(src), MAX_NUMNODES) 37951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_full(nodemask) __nodes_full(&(nodemask), MAX_NUMNODES) 38951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_weight(nodemask) __nodes_weight(&(nodemask), MAX_NUMNODES) 39951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_shift_right(dst, src, n) __nodes_shift_right(&(dst), &(src), (n), MAX_NUMNODES) 40951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_shift_left(dst, src, n) __nodes_shift_left(&(dst), &(src), (n), MAX_NUMNODES) 41951a39d68df598db08dfced8b4707755864a0492Ying Wang#define first_node(src) __first_node(&(src)) 42951a39d68df598db08dfced8b4707755864a0492Ying Wang#define next_node(n, src) __next_node((n), &(src)) 43951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodemask_of_node(node) ({ typeof(_unused_nodemask_arg_) m; if (sizeof(m) == sizeof(unsigned long)) { m.bits[0] = 1UL<<(node); } else { nodes_clear(m); node_set((node), m); } m; }) 44951a39d68df598db08dfced8b4707755864a0492Ying Wang#define first_unset_node(mask) __first_unset_node(&(mask)) 45951a39d68df598db08dfced8b4707755864a0492Ying Wang#define NODE_MASK_LAST_WORD BITMAP_LAST_WORD_MASK(MAX_NUMNODES) 46951a39d68df598db08dfced8b4707755864a0492Ying Wang#if MAX_NUMNODES <= BITS_PER_LONG 47951a39d68df598db08dfced8b4707755864a0492Ying Wang#define NODE_MASK_ALL ((nodemask_t) { { [BITS_TO_LONGS(MAX_NUMNODES)-1] = NODE_MASK_LAST_WORD } }) 48951a39d68df598db08dfced8b4707755864a0492Ying Wang#else 49951a39d68df598db08dfced8b4707755864a0492Ying Wang#define NODE_MASK_ALL ((nodemask_t) { { [0 ... BITS_TO_LONGS(MAX_NUMNODES)-2] = ~0UL, [BITS_TO_LONGS(MAX_NUMNODES)-1] = NODE_MASK_LAST_WORD } }) 50951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 51951a39d68df598db08dfced8b4707755864a0492Ying Wang#define NODE_MASK_NONE ((nodemask_t) { { [0 ... BITS_TO_LONGS(MAX_NUMNODES)-1] = 0UL } }) 52951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_addr(src) ((src).bits) 53951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodemask_scnprintf(buf, len, src) __nodemask_scnprintf((buf), (len), &(src), MAX_NUMNODES) 54951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodemask_parse(ubuf, ulen, dst) __nodemask_parse((ubuf), (ulen), &(dst), MAX_NUMNODES) 55951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodelist_scnprintf(buf, len, src) __nodelist_scnprintf((buf), (len), &(src), MAX_NUMNODES) 56951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodelist_parse(buf, dst) __nodelist_parse((buf), &(dst), MAX_NUMNODES) 57951a39d68df598db08dfced8b4707755864a0492Ying Wang#define node_remap(oldbit, old, new) __node_remap((oldbit), &(old), &(new), MAX_NUMNODES) 58951a39d68df598db08dfced8b4707755864a0492Ying Wang#define nodes_remap(dst, src, old, new) __nodes_remap(&(dst), &(src), &(old), &(new), MAX_NUMNODES) 59951a39d68df598db08dfced8b4707755864a0492Ying Wang#if MAX_NUMNODES > 1 60951a39d68df598db08dfced8b4707755864a0492Ying Wang#define for_each_node_mask(node, mask) for ((node) = first_node(mask); (node) < MAX_NUMNODES; (node) = next_node((node), (mask))) 61951a39d68df598db08dfced8b4707755864a0492Ying Wang#else 62951a39d68df598db08dfced8b4707755864a0492Ying Wang#define for_each_node_mask(node, mask) if (!nodes_empty(mask)) for ((node) = 0; (node) < 1; (node)++) 63951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 64951a39d68df598db08dfced8b4707755864a0492Ying Wang 65951a39d68df598db08dfced8b4707755864a0492Ying Wang#if MAX_NUMNODES > 1 66951a39d68df598db08dfced8b4707755864a0492Ying Wang#define num_online_nodes() nodes_weight(node_online_map) 67951a39d68df598db08dfced8b4707755864a0492Ying Wang#define num_possible_nodes() nodes_weight(node_possible_map) 68951a39d68df598db08dfced8b4707755864a0492Ying Wang#define node_online(node) node_isset((node), node_online_map) 69951a39d68df598db08dfced8b4707755864a0492Ying Wang#define node_possible(node) node_isset((node), node_possible_map) 70951a39d68df598db08dfced8b4707755864a0492Ying Wang#define first_online_node first_node(node_online_map) 71951a39d68df598db08dfced8b4707755864a0492Ying Wang#define next_online_node(nid) next_node((nid), node_online_map) 72951a39d68df598db08dfced8b4707755864a0492Ying Wang#else 73951a39d68df598db08dfced8b4707755864a0492Ying Wang#define num_online_nodes() 1 74951a39d68df598db08dfced8b4707755864a0492Ying Wang#define num_possible_nodes() 1 75951a39d68df598db08dfced8b4707755864a0492Ying Wang#define node_online(node) ((node) == 0) 76951a39d68df598db08dfced8b4707755864a0492Ying Wang#define node_possible(node) ((node) == 0) 77951a39d68df598db08dfced8b4707755864a0492Ying Wang#define first_online_node 0 78951a39d68df598db08dfced8b4707755864a0492Ying Wang#define next_online_node(nid) (MAX_NUMNODES) 79951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 80951a39d68df598db08dfced8b4707755864a0492Ying Wang 81951a39d68df598db08dfced8b4707755864a0492Ying Wang#define any_online_node(mask) ({ int node; for_each_node_mask(node, (mask)) if (node_online(node)) break; node; }) 82951a39d68df598db08dfced8b4707755864a0492Ying Wang 83951a39d68df598db08dfced8b4707755864a0492Ying Wang#define node_set_online(node) set_bit((node), node_online_map.bits) 84951a39d68df598db08dfced8b4707755864a0492Ying Wang#define node_set_offline(node) clear_bit((node), node_online_map.bits) 85951a39d68df598db08dfced8b4707755864a0492Ying Wang 86951a39d68df598db08dfced8b4707755864a0492Ying Wang#define for_each_node(node) for_each_node_mask((node), node_possible_map) 87951a39d68df598db08dfced8b4707755864a0492Ying Wang#define for_each_online_node(node) for_each_node_mask((node), node_online_map) 88951a39d68df598db08dfced8b4707755864a0492Ying Wang 89951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 90