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
8static inline uint32_t
9ioapic_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
25static inline void
26ioapic_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