root/arch/x86/mach-generic/bigsmp.c

DEFINITIONS

1. hp_ht_bigsmp
2. probe_bigsmp

/*
 * APIC driver for "bigsmp" XAPIC machines with more than 8 virtual CPUs.
 * Drives the local APIC in "clustered mode".
 */
#define APIC_DEFINITION 1
#include <linux/threads.h>
#include <linux/cpumask.h>
#include <asm/mpspec.h>
#include <asm/genapic.h>
#include <asm/fixmap.h>
#include <asm/apicdef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/dmi.h>
#include <asm/bigsmp/apicdef.h>
#include <linux/smp.h>
#include <asm/bigsmp/apic.h>
#include <asm/bigsmp/ipi.h>
#include <asm/mach-default/mach_mpparse.h>

static int dmi_bigsmp; /* can be set by dmi scanners */

static int hp_ht_bigsmp(const struct dmi_system_id *d)
{
        printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident);
        dmi_bigsmp = 1;
        return 0;
}


static const struct dmi_system_id bigsmp_dmi_table[] = {
        { hp_ht_bigsmp, "HP ProLiant DL760 G2",
        { DMI_MATCH(DMI_BIOS_VENDOR, "HP"),
        DMI_MATCH(DMI_BIOS_VERSION, "P44-"),}
        },

        { hp_ht_bigsmp, "HP ProLiant DL740",
        { DMI_MATCH(DMI_BIOS_VENDOR, "HP"),
        DMI_MATCH(DMI_BIOS_VERSION, "P47-"),}
        },
         { }
};


static int probe_bigsmp(void)
{
        if (def_to_bigsmp)
                dmi_bigsmp = 1;
        else
                dmi_check_system(bigsmp_dmi_table);
        return dmi_bigsmp;
}

struct genapic apic_bigsmp = APIC_INIT("bigsmp", probe_bigsmp);