Home | History | Annotate | Line # | Download | only in include
i82093var.h revision 1.4 
      1 /*	 $NetBSD: i82093var.h,v 1.4 2010/03/22 16:43:08 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 }
     39