arch/x86/include/asm/x2apic.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Common bits for X2APIC cluster/physical modes.
   4  */
   5
   6 #ifndef _ASM_X86_X2APIC_H
   7 #define _ASM_X86_X2APIC_H
   8
   9 #include <asm/apic.h>
  10 #include <asm/ipi.h>
  11 #include <linux/cpumask.h>
  12
  13 static int x2apic_apic_id_valid(int apicid)
  14 {
  15         return 1;
  16 }
  17
  18 static int x2apic_apic_id_registered(void)
  19 {
  20         return 1;
  21 }
  22
  23 static void
  24 __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest)
  25 {
  26         unsigned long cfg = __prepare_ICR(0, vector, dest);
  27         native_x2apic_icr_write(cfg, apicid);
  28 }
  29
  30 static unsigned int x2apic_get_apic_id(unsigned long id)
  31 {
  32         return id;
  33 }
  34
  35 static unsigned long x2apic_set_apic_id(unsigned int id)
  36 {
  37         return id;
  38 }
  39
  40 static int x2apic_phys_pkg_id(int initial_apicid, int index_msb)
  41 {
  42         return initial_apicid >> index_msb;
  43 }
  44
  45 static void x2apic_send_IPI_self(int vector)
  46 {
  47         apic_write(APIC_SELF_IPI, vector);
  48 }
  49
  50 #endif /* _ASM_X86_X2APIC_H */