MFC 257422,257661,258075,258476,258494,258579,258609,258699:

Several enhancements to the I/O APIC support in bhyve including:
- Move the I/O APIC device model from userspace into vmm.ko and add
  ioctls to assert and deassert I/O APIC pins.
- Add HPET device emulation including a single timer block with 8 timers.
- Remove the 'vdev' abstraction.

Approved by:	neel

1 files changed, 46 insertions, 0 deletions

diff --git a/lib/libvmmapi/vmmapi.c b/lib/libvmmapi/vmmapi.c
index bb69358..c2851a4 100644
--- a/lib/libvmmapi/vmmapi.c
+++ b/lib/libvmmapi/vmmapi.c
@@ -397,6 +397,39 @@ 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_ioapic_pulse_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_PULSE_IRQ, &ioapic_irq));
+}
+
+int
 vm_inject_nmi(struct vmctx *ctx, int vcpu)
 {
 	struct vm_nmi vmnmi;
@@ -792,3 +825,16 @@ vm_get_gpa_pmap(struct vmctx *ctx, uint64_t gpa, uint64_t *pte, int *num)
 
 	return (error);
 }
+
+int
+vm_get_hpet_capabilities(struct vmctx *ctx, uint32_t *capabilities)
+{
+	int error;
+	struct vm_hpet_cap cap;
+
+	bzero(&cap, sizeof(struct vm_hpet_cap));
+	error = ioctl(ctx->fd, VM_GET_HPET_CAPABILITIES, &cap);
+	if (capabilities != NULL)
+		*capabilities = cap.capabilities;
+	return (error);
+}