cpumask_copy(irq_to_desc(irq)->affinity, cpumask_of(cpu));
#endif
- __clear_bit(chn, cpu_evtchn_mask(cpu_from_irq(irq)));
- __set_bit(chn, cpu_evtchn_mask(cpu));
+ clear_bit(chn, cpu_evtchn_mask(cpu_from_irq(irq)));
+ set_bit(chn, cpu_evtchn_mask(cpu));
irq_info[irq].cpu = cpu;
}
static void init_evtchn_cpu_bindings(void)
{
+ int i;
#ifdef CONFIG_SMP
struct irq_desc *desc;
- int i;
/* By default all event channels notify CPU#0. */
for_each_irq_desc(i, desc) {
}
#endif
- memset(cpu_evtchn_mask(0), ~0, sizeof(cpu_evtchn_mask(0)));
+ for_each_possible_cpu(i)
+ memset(cpu_evtchn_mask(i),
+ (i == 0) ? ~0 : 0, sizeof(struct cpu_evtchn_s));
+
}
static inline void clear_evtchn(int port)
if (irq == start)
goto no_irqs;
- res = irq_alloc_desc_at(irq, 0);
+ res = irq_alloc_desc_at(irq, -1);
if (WARN_ON(res != irq))
return -1;
if (identity_mapped_irq(gsi) || (!xen_initial_domain() &&
xen_pv_domain())) {
irq = gsi;
- irq_alloc_desc_at(irq, 0);
+ irq_alloc_desc_at(irq, -1);
} else
irq = find_unbound_irq();
goto out;
if (xen_initial_domain()) {
- unmap_irq.pirq = info->u.pirq.gsi;
+ unmap_irq.pirq = info->u.pirq.pirq;
unmap_irq.domid = DOMID_SELF;
rc = HYPERVISOR_physdev_op(PHYSDEVOP_unmap_pirq, &unmap_irq);
if (rc) {
irq = find_unbound_irq();
set_irq_chip_and_handler_name(irq, &xen_dynamic_chip,
- handle_edge_irq, "event");
+ handle_fasteoi_irq, "event");
evtchn_to_irq[evtchn] = irq;
irq_info[irq] = mk_evtchn_info(evtchn);
irq = per_cpu(virq_to_irq, cpu)[virq];
if (irq == -1) {
+ irq = find_unbound_irq();
+
+ set_irq_chip_and_handler_name(irq, &xen_percpu_chip,
+ handle_percpu_irq, "virq");
+
bind_virq.virq = virq;
bind_virq.vcpu = cpu;
if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_virq,
BUG();
evtchn = bind_virq.port;
- irq = find_unbound_irq();
-
- set_irq_chip_and_handler_name(irq, &xen_percpu_chip,
- handle_percpu_irq, "virq");
-
evtchn_to_irq[evtchn] = irq;
irq_info[irq] = mk_virq_info(evtchn, virq);
{
struct shared_info *sh = HYPERVISOR_shared_info;
int cpu = smp_processor_id();
+ unsigned long *cpu_evtchn = cpu_evtchn_mask(cpu);
int i;
unsigned long flags;
static DEFINE_SPINLOCK(debug_lock);
+ struct vcpu_info *v;
spin_lock_irqsave(&debug_lock, flags);
- printk("vcpu %d\n ", cpu);
+ printk("\nvcpu %d\n ", cpu);
for_each_online_cpu(i) {
- struct vcpu_info *v = per_cpu(xen_vcpu, i);
- printk("%d: masked=%d pending=%d event_sel %08lx\n ", i,
- (get_irq_regs() && i == cpu) ? xen_irqs_disabled(get_irq_regs()) : v->evtchn_upcall_mask,
- v->evtchn_upcall_pending,
- v->evtchn_pending_sel);
+ int pending;
+ v = per_cpu(xen_vcpu, i);
+ pending = (get_irq_regs() && i == cpu)
+ ? xen_irqs_disabled(get_irq_regs())
+ : v->evtchn_upcall_mask;
+ printk("%d: masked=%d pending=%d event_sel %0*lx\n ", i,
+ pending, v->evtchn_upcall_pending,
+ (int)(sizeof(v->evtchn_pending_sel)*2),
+ v->evtchn_pending_sel);
+ }
+ v = per_cpu(xen_vcpu, cpu);
+
+ printk("\npending:\n ");
+ for (i = ARRAY_SIZE(sh->evtchn_pending)-1; i >= 0; i--)
+ printk("%0*lx%s", (int)sizeof(sh->evtchn_pending[0])*2,
+ sh->evtchn_pending[i],
+ i % 8 == 0 ? "\n " : " ");
+ printk("\nglobal mask:\n ");
+ for (i = ARRAY_SIZE(sh->evtchn_mask)-1; i >= 0; i--)
+ printk("%0*lx%s",
+ (int)(sizeof(sh->evtchn_mask[0])*2),
+ sh->evtchn_mask[i],
+ i % 8 == 0 ? "\n " : " ");
+
+ printk("\nglobally unmasked:\n ");
+ for (i = ARRAY_SIZE(sh->evtchn_mask)-1; i >= 0; i--)
+ printk("%0*lx%s", (int)(sizeof(sh->evtchn_mask[0])*2),
+ sh->evtchn_pending[i] & ~sh->evtchn_mask[i],
+ i % 8 == 0 ? "\n " : " ");
+
+ printk("\nlocal cpu%d mask:\n ", cpu);
+ for (i = (NR_EVENT_CHANNELS/BITS_PER_LONG)-1; i >= 0; i--)
+ printk("%0*lx%s", (int)(sizeof(cpu_evtchn[0])*2),
+ cpu_evtchn[i],
+ i % 8 == 0 ? "\n " : " ");
+
+ printk("\nlocally unmasked:\n ");
+ for (i = ARRAY_SIZE(sh->evtchn_mask)-1; i >= 0; i--) {
+ unsigned long pending = sh->evtchn_pending[i]
+ & ~sh->evtchn_mask[i]
+ & cpu_evtchn[i];
+ printk("%0*lx%s", (int)(sizeof(sh->evtchn_mask[0])*2),
+ pending, i % 8 == 0 ? "\n " : " ");
}
- printk("pending:\n ");
- for(i = ARRAY_SIZE(sh->evtchn_pending)-1; i >= 0; i--)
- printk("%08lx%s", sh->evtchn_pending[i],
- i % 8 == 0 ? "\n " : " ");
- printk("\nmasks:\n ");
- for(i = ARRAY_SIZE(sh->evtchn_mask)-1; i >= 0; i--)
- printk("%08lx%s", sh->evtchn_mask[i],
- i % 8 == 0 ? "\n " : " ");
-
- printk("\nunmasked:\n ");
- for(i = ARRAY_SIZE(sh->evtchn_mask)-1; i >= 0; i--)
- printk("%08lx%s", sh->evtchn_pending[i] & ~sh->evtchn_mask[i],
- i % 8 == 0 ? "\n " : " ");
printk("\npending list:\n");
- for(i = 0; i < NR_EVENT_CHANNELS; i++) {
+ for (i = 0; i < NR_EVENT_CHANNELS; i++) {
if (sync_test_bit(i, sh->evtchn_pending)) {
- printk(" %d: event %d -> irq %d\n",
+ int word_idx = i / BITS_PER_LONG;
+ printk(" %d: event %d -> irq %d%s%s%s\n",
cpu_from_evtchn(i), i,
- evtchn_to_irq[i]);
+ evtchn_to_irq[i],
+ sync_test_bit(word_idx, &v->evtchn_pending_sel)
+ ? "" : " l2-clear",
+ !sync_test_bit(i, sh->evtchn_mask)
+ ? "" : " globally-masked",
+ sync_test_bit(i, cpu_evtchn)
+ ? "" : " locally-masked");
}
}
int irq = evtchn_to_irq[port];
struct irq_desc *desc;
+ mask_evtchn(port);
+ clear_evtchn(port);
+
if (irq != -1) {
desc = irq_to_desc(irq);
if (desc)
{
int evtchn = evtchn_from_irq(irq);
- move_native_irq(irq);
+ move_masked_irq(irq);
if (VALID_EVTCHN(evtchn))
- clear_evtchn(evtchn);
+ unmask_evtchn(evtchn);
}
static int retrigger_dynirq(unsigned int irq)
evtchn_to_irq[evtchn] = irq;
irq_info[irq] = mk_virq_info(evtchn, virq);
bind_evtchn_to_cpu(evtchn, cpu);
-
- /* Ready for use. */
- unmask_evtchn(evtchn);
}
}
evtchn_to_irq[evtchn] = irq;
irq_info[irq] = mk_ipi_info(evtchn, ipi);
bind_evtchn_to_cpu(evtchn, cpu);
-
- /* Ready for use. */
- unmask_evtchn(evtchn);
-
}
}
void xen_irq_resume(void)
{
unsigned int cpu, irq, evtchn;
+ struct irq_desc *desc;
init_evtchn_cpu_bindings();
restore_cpu_virqs(cpu);
restore_cpu_ipis(cpu);
}
+
+ /*
+ * Unmask any IRQF_NO_SUSPEND IRQs which are enabled. These
+ * are not handled by the IRQ core.
+ */
+ for_each_irq_desc(irq, desc) {
+ if (!desc->action || !(desc->action->flags & IRQF_NO_SUSPEND))
+ continue;
+ if (desc->status & IRQ_DISABLED)
+ continue;
+
+ evtchn = evtchn_from_irq(irq);
+ if (evtchn == -1)
+ continue;
+
+ unmask_evtchn(evtchn);
+ }
}
static struct irq_chip xen_dynamic_chip __read_mostly = {
.mask = disable_dynirq,
.unmask = enable_dynirq,
- .ack = ack_dynirq,
+ .eoi = ack_dynirq,
.set_affinity = set_affinity_irq,
.retrigger = retrigger_dynirq,
};