arch/x86/kernel/apic/probe_32-xen.c

   1 /*
   2  * Default generic APIC driver. This handles up to 8 CPUs.
   3  *
   4  * Copyright 2003 Andi Kleen, SuSE Labs.
   5  * Subject to the GNU Public License, v.2
   6  *
   7  * Generic x86 APIC driver probe layer.
   8  */
   9 #include <linux/threads.h>
  10 #include <linux/cpumask.h>
  11 #include <linux/module.h>
  12 #include <linux/string.h>
  13 #include <linux/kernel.h>
  14 #include <linux/ctype.h>
  15 #include <linux/init.h>
  16 #include <linux/errno.h>
  17 #include <asm/fixmap.h>
  18 #include <asm/mpspec.h>
  19 #include <asm/apicdef.h>
  20 #include <asm/apic.h>
  21 #include <asm/setup.h>
  22
  23 #include <linux/smp.h>
  24 #include <asm/ipi.h>
  25
  26 #include <linux/interrupt.h>
  27 #include <asm/acpi.h>
  28 #include <asm/e820.h>
  29
  30 static int xen_phys_pkg_id(int cpuid_apic, int index_msb)
  31 {
  32         return cpuid_apic;
  33 }
  34
  35 static struct apic apic_xen = {
  36
  37         .name                           = "default",
  38
  39         .irq_delivery_mode              = dest_LowestPrio,
  40         /* logical delivery broadcast to all CPUs: */
  41         .irq_dest_mode                  = 1,
  42
  43         .target_cpus                    = default_target_cpus,
  44
  45         .phys_pkg_id                    = xen_phys_pkg_id,
  46
  47 #ifdef CONFIG_SMP
  48         .send_IPI_mask                  = xen_send_IPI_mask,
  49         .send_IPI_mask_allbutself       = xen_send_IPI_mask_allbutself,
  50         .send_IPI_allbutself            = xen_send_IPI_allbutself,
  51         .send_IPI_all                   = xen_send_IPI_all,
  52         .send_IPI_self                  = xen_send_IPI_self,
  53 #endif
  54 };
  55
  56 struct apic *apic = &apic_xen;
  57 EXPORT_SYMBOL_GPL(apic);