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KVM: x86: use generic function for MSI parsing 

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
hifive-unleashed-5.1
Radim Krčmář 2016-07-12 22:09:21 +02:00 committed by Paolo Bonzini
parent 0ca52e7b81
commit 3159d36ad7
1 changed files with 6 additions and 11 deletions
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17
arch/x86/kvm/irq_comm.c
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@ -388,21 +388,16 @@ void kvm_scan_ioapic_routes(struct kvm_vcpu *vcpu,
kvm->arch.nr_reserved_ioapic_pins);
for (i = 0; i < nr_ioapic_pins; ++i) {
hlist_for_each_entry(entry, &table->map[i], link) {
u32 dest_id, dest_mode;
bool level;
struct kvm_lapic_irq irq;
if (entry->type != KVM_IRQ_ROUTING_MSI)
continue;
dest_id = (entry->msi.address_lo >> 12) & 0xff;
dest_mode = (entry->msi.address_lo >> 2) & 0x1;
level = entry->msi.data & MSI_DATA_TRIGGER_LEVEL;
if (level && kvm_apic_match_dest(vcpu, NULL, 0,
dest_id, dest_mode)) {
u32 vector = entry->msi.data & 0xff;
__set_bit(vector,
ioapic_handled_vectors);
}
kvm_set_msi_irq(entry, &irq);
if (irq.level && kvm_apic_match_dest(vcpu, NULL, 0,
irq.dest_id, irq.dest_mode))
__set_bit(irq.vector, ioapic_handled_vectors);
}
}
srcu_read_unlock(&kvm->irq_srcu, idx);