void
lapic_intr_accepted(struct vm *vm, int cpu, int vector)
{
struct vlapic *vlapic;
vlapic = vm_lapic(vm, cpu);
vlapic_intr_accepted(vlapic, vector);
}
int
lapic_pending_intr(struct vm *vm, int cpu)
{
struct vlapic *vlapic;
vlapic = vm_lapic(vm, cpu);
return (vlapic_pending_intr(vlapic));
}
void
lapic_timer_tick(struct vm *vm, int cpu)
{
struct vlapic *vlapic;
vlapic = vm_lapic(vm, cpu);
vlapic_timer_tick(vlapic);
}
int
lapic_read(struct vm *vm, int cpu, u_int offset, uint64_t *rv)
{
int handled;
struct vlapic *vlapic;
vlapic = vm_lapic(vm, cpu);
if (vlapic_op_mem_read(vlapic, offset, DWORD, rv) == 0)
handled = 1;
else
handled = 0;
return (handled);
}
int
lapic_write(struct vm *vm, int cpu, u_int offset, uint64_t val)
{
int handled;
struct vlapic *vlapic;
vlapic = vm_lapic(vm, cpu);
if (vlapic_op_mem_write(vlapic, offset, DWORD, val) == 0)
handled = 1;
else
handled = 0;
return (handled);
}
int
lapic_set_intr(struct vm *vm, int cpu, int vector)
{
struct vlapic *vlapic;
if (cpu < 0 || cpu >= VM_MAXCPU)
return (EINVAL);
if (vector < 32 || vector > 255)
return (EINVAL);
vlapic = vm_lapic(vm, cpu);
vlapic_set_intr_ready(vlapic, vector);
vm_interrupt_hostcpu(vm, cpu);
return (0);
}
/*
* Reset the vlapic's trigger-mode register to reflect the ioapic pin
* configuration.
*/
static void
vioapic_update_tmr(struct vm *vm, int vcpuid, void *arg)
{
struct vioapic *vioapic;
struct vlapic *vlapic;
uint32_t low, high, dest;
int delmode, pin, vector;
bool level, phys;
vlapic = vm_lapic(vm, vcpuid);
vioapic = vm_ioapic(vm);
VIOAPIC_LOCK(vioapic);
/*
* Reset all vectors to be edge-triggered.
*/
vlapic_reset_tmr(vlapic);
for (pin = 0; pin < REDIR_ENTRIES; pin++) {
low = vioapic->rtbl[pin].reg;
high = vioapic->rtbl[pin].reg >> 32;
level = low & IOART_TRGRLVL ? true : false;
if (!level)
continue;
/*
* For a level-triggered 'pin' let the vlapic figure out if
* an assertion on this 'pin' would result in an interrupt
* being delivered to it. If yes, then it will modify the
* TMR bit associated with this vector to level-triggered.
*/
phys = ((low & IOART_DESTMOD) == IOART_DESTPHY);
delmode = low & IOART_DELMOD;
vector = low & IOART_INTVEC;
dest = high >> APIC_ID_SHIFT;
vlapic_set_tmr_level(vlapic, dest, phys, delmode, vector);
}
VIOAPIC_UNLOCK(vioapic);
}
