linux/arch/x86/mach-generic/numaq.c
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   1/*
   2 * APIC driver for the IBM NUMAQ chipset.
   3 */
   4#define APIC_DEFINITION 1
   5#include <linux/threads.h>
   6#include <linux/cpumask.h>
   7#include <asm/mpspec.h>
   8#include <asm/genapic.h>
   9#include <asm/fixmap.h>
  10#include <asm/apicdef.h>
  11#include <linux/kernel.h>
  12#include <linux/string.h>
  13#include <linux/init.h>
  14#include <asm/numaq/apicdef.h>
  15#include <linux/smp.h>
  16#include <asm/numaq/apic.h>
  17#include <asm/numaq/ipi.h>
  18#include <asm/numaq/mpparse.h>
  19#include <asm/numaq/wakecpu.h>
  20#include <asm/numaq.h>
  21
  22static int mps_oem_check(struct mp_config_table *mpc, char *oem,
  23                char *productid)
  24{
  25        numaq_mps_oem_check(mpc, oem, productid);
  26        return found_numaq;
  27}
  28
  29static int probe_numaq(void)
  30{
  31        /* already know from get_memcfg_numaq() */
  32        return found_numaq;
  33}
  34
  35/* Hook from generic ACPI tables.c */
  36static int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
  37{
  38        return 0;
  39}
  40
  41static cpumask_t vector_allocation_domain(int cpu)
  42{
  43        /* Careful. Some cpus do not strictly honor the set of cpus
  44         * specified in the interrupt destination when using lowest
  45         * priority interrupt delivery mode.
  46         *
  47         * In particular there was a hyperthreading cpu observed to
  48         * deliver interrupts to the wrong hyperthread when only one
  49         * hyperthread was specified in the interrupt desitination.
  50         */
  51        cpumask_t domain = { { [0] = APIC_ALL_CPUS, } };
  52        return domain;
  53}
  54
  55struct genapic apic_numaq = APIC_INIT("NUMAQ", probe_numaq);
  56