sys/arch/xen/include/i82093var.h

   1 /*       $NetBSD: i82093var.h,v 1.2 2008/04/14 13:38:03 cegger Exp $ */
   2
   3 #include "opt_xen.h"
   4 #define _IOAPIC_CUSTOM_RW
   5 #include <x86/i82093var.h>
   6 #include <hypervisor.h>
   7
   8 static inline  uint32_t
   9 ioapic_read_ul(struct ioapic_softc *sc, int regid)
  10 {
  11         physdev_op_t op;
  12         int ret;
  13
  14         op.cmd = PHYSDEVOP_APIC_READ;
  15         op.u.apic_op.apic_physbase = sc->sc_pa;
  16         op.u.apic_op.reg = regid;
  17         ret = HYPERVISOR_physdev_op(&op);
  18         if (ret) {
  19                 printf("PHYSDEVOP_APIC_READ ret %d\n", ret);
  20                 panic("PHYSDEVOP_APIC_READ");
  21         }
  22         return op.u.apic_op.value;
  23 }
  24
  25 static inline void
  26 ioapic_write_ul(struct ioapic_softc *sc, int regid, uint32_t val)
  27 {
  28         physdev_op_t op;
  29         int ret;
  30
  31         op.cmd = PHYSDEVOP_APIC_WRITE;
  32         op.u.apic_op.apic_physbase = sc->sc_pa;
  33         op.u.apic_op.reg = regid;
  34         op.u.apic_op.value = val;
  35         ret = HYPERVISOR_physdev_op(&op);
  36         if (ret) {
  37                 printf("PHYSDEVOP_APIC_WRITE ret %d\n", ret);
  38                 panic("PHYSDEVOP_APIC_WRITE");
  39         }
  40 }