/* * Copyright (C) 2006, Intel Corporation * * This file is part of irqbalance * * This program file is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * * You should have received a copy of the GNU General Public License * along with this program in a file named COPYING; if not, write to the * Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA */ /* * This file tries to map numa affinity of pci devices to their interrupts * In addition the PCI class information is used to refine the classification * of interrupt sources */ #include "config.h" #include #include #include #include #include #include "irqbalance.h" void pci_numa_scan(void) { int irq = -1; cpumask_t mask; int node_num; do { int type; irq = get_next_irq(irq); if (irq == -1) break; mask = find_irq_cpumask_prop(irq, IRQ_LCPU_MASK); node_num = find_irq_integer_prop(irq, IRQ_NUMA); type = find_irq_integer_prop(irq, IRQ_CLASS); add_interrupt_numa(irq, mask, node_num, type); } while (irq != -1); }