Move the ioapic device model from userspace into vmm.ko. This is needed for

upcoming in-kernel device emulations like the HPET.

The ioctls VM_IOAPIC_ASSERT_IRQ and VM_IOAPIC_DEASSERT_IRQ are used to
manipulate the ioapic pin state.

Discussed with:	grehan@
Submitted by:	Tycho Nightingale (tycho.nightingale@pluribusnetworks.com)

1 files changed, 22 insertions, 0 deletions

diff --git a/lib/libvmmapi/vmmapi.c b/lib/libvmmapi/vmmapi.c
index bb69358..5ece80b 100644
--- a/lib/libvmmapi/vmmapi.c
+++ b/lib/libvmmapi/vmmapi.c
@@ -397,6 +397,28 @@ vm_lapic_irq(struct vmctx *ctx, int vcpu, int vector)
 }
 
 int
+vm_ioapic_assert_irq(struct vmctx *ctx, int irq)
+{
+	struct vm_ioapic_irq ioapic_irq;
+
+	bzero(&ioapic_irq, sizeof(struct vm_ioapic_irq));
+	ioapic_irq.irq = irq;
+
+	return (ioctl(ctx->fd, VM_IOAPIC_ASSERT_IRQ, &ioapic_irq));
+}
+
+int
+vm_ioapic_deassert_irq(struct vmctx *ctx, int irq)
+{
+	struct vm_ioapic_irq ioapic_irq;
+
+	bzero(&ioapic_irq, sizeof(struct vm_ioapic_irq));
+	ioapic_irq.irq = irq;
+
+	return (ioctl(ctx->fd, VM_IOAPIC_DEASSERT_IRQ, &ioapic_irq));
+}
+
+int
 vm_inject_nmi(struct vmctx *ctx, int vcpu)
 {
 	struct vm_nmi vmnmi;