Commit 3159d36a authored by Radim Krčmář's avatar Radim Krčmář Committed by Paolo Bonzini
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KVM: x86: use generic function for MSI parsing 



Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 0ca52e7b

arch/x86/kvm/irq_comm.c

+7 −12
Original line number Diff line number Diff line
@@ -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);