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/*
* 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>
#include <asm/mach-default/mach_wakecpu.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 void vector_allocation_domain(int cpu, cpumask_t *retmask)
{
cpus_clear(*retmask);
cpu_set(cpu, *retmask);
}
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 = {
.name = "bigsmp",
.probe = probe_bigsmp,
.acpi_madt_oem_check = NULL,
.apic_id_registered = bigsmp_apic_id_registered,
.irq_delivery_mode = dest_Fixed,
/* phys delivery to target CPU: */
.irq_dest_mode = 0,
.target_cpus = bigsmp_target_cpus,
.disable_esr = 1,
.dest_logical = 0,
.check_apicid_used = check_apicid_used,
.check_apicid_present = check_apicid_present,
.no_balance_irq = NO_BALANCE_IRQ,
.no_ioapic_check = 0,
.vector_allocation_domain = vector_allocation_domain,
.init_apic_ldr = init_apic_ldr,
.ioapic_phys_id_map = ioapic_phys_id_map,
.setup_apic_routing = setup_apic_routing,
.multi_timer_check = multi_timer_check,
.apicid_to_node = apicid_to_node,
.cpu_to_logical_apicid = cpu_to_logical_apicid,
.cpu_present_to_apicid = cpu_present_to_apicid,
.apicid_to_cpu_present = apicid_to_cpu_present,
.setup_portio_remap = setup_portio_remap,
.check_phys_apicid_present = check_phys_apicid_present,
.enable_apic_mode = enable_apic_mode,
.phys_pkg_id = phys_pkg_id,
.mps_oem_check = mps_oem_check,
.get_apic_id = get_apic_id,
.set_apic_id = NULL,
.apic_id_mask = APIC_ID_MASK,
.cpu_mask_to_apicid = cpu_mask_to_apicid,
.cpu_mask_to_apicid_and = cpu_mask_to_apicid_and,
.send_IPI_mask = send_IPI_mask,
.send_IPI_mask_allbutself = NULL,
.send_IPI_allbutself = send_IPI_allbutself,
.send_IPI_all = send_IPI_all,
.send_IPI_self = NULL,
.wakeup_cpu = NULL,
.trampoline_phys_low = TRAMPOLINE_PHYS_LOW,
.trampoline_phys_high = TRAMPOLINE_PHYS_HIGH,
.wait_for_init_deassert = wait_for_init_deassert,
.smp_callin_clear_local_apic = smp_callin_clear_local_apic,
.store_NMI_vector = store_NMI_vector,
.restore_NMI_vector = restore_NMI_vector,
.inquire_remote_apic = inquire_remote_apic,
};
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