1 /*
   2  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_G1_NUMA_INLINE_HPP
  26 #define SHARE_VM_GC_G1_NUMA_INLINE_HPP
  27 
  28 #include "gc/g1/g1MemoryNodeManager.hpp"
  29 #include "gc/g1/g1NUMA.hpp"
  30 #include "runtime/atomic.hpp"
  31 
  32 inline bool G1NUMA::is_valid_numa_id(int numa_id) {
  33   // Valid numa id should be one of active numa ids.
  34   for (uint i = 0; i < _num_active_numa_ids; i++) {
  35     if (_numa_ids[i] == numa_id) {
  36       return true;
  37     }
  38   }
  39   return false;
  40 }
  41 
  42 inline bool G1NUMA::is_valid_numa_index(uint numa_index) const {
  43   // Valid numa index should be less than the number of active numa ids.
  44   return numa_index < _num_active_numa_ids;
  45 }
  46 
  47 inline uint G1NUMA::num_active_numa_ids() const {
  48   assert(_num_active_numa_ids > 0, "just checking");
  49   return _num_active_numa_ids;
  50 }
  51 
  52 inline uint G1NUMA::index_of_numa_id(int numa_id) const {
  53   // Don't need call is_valid_numa_id, as _numa_id_to_index_map 
  54   // may return G1MemoryNodeManager::InvalidNodeIndex.
  55   if (numa_id >= 0 && numa_id < _len_numa_id_to_index_map) {
  56     return _numa_id_to_index_map[numa_id];
  57   }
  58   return G1MemoryNodeManager::InvalidNodeIndex;
  59 }
  60 
  61 inline int G1NUMA::numa_id_of_index(uint numa_index) const {
  62   if (is_valid_numa_index(numa_index)) {
  63     return _numa_ids[numa_index];
  64   }
  65   return os::InvalidId;
  66 }
  67 
  68 #endif // SHARE_VM_GC_G1_NUMA_INLINE_HPP