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

2 files changed, 51 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);
+}
diff --git a/lib/libvmmapi/vmmapi.h b/lib/libvmmapi/vmmapi.h
index 0720e2e..293c431 100644
--- a/lib/libvmmapi/vmmapi.h
+++ b/lib/libvmmapi/vmmapi.h
@@ -67,6 +67,9 @@ int	vm_inject_event(struct vmctx *ctx, int vcpu, enum vm_event_type type,
 int	vm_inject_event2(struct vmctx *ctx, int vcpu, enum vm_event_type type,
 			 int vector, int error_code);
 int	vm_lapic_irq(struct vmctx *ctx, int vcpu, int vector);
+int	vm_ioapic_assert_irq(struct vmctx *ctx, int irq);
+int	vm_ioapic_deassert_irq(struct vmctx *ctx, int irq);
+int	vm_ioapic_pulse_irq(struct vmctx *ctx, int irq);
 int	vm_inject_nmi(struct vmctx *ctx, int vcpu);
 int	vm_capability_name2type(const char *capname);
 const char *vm_capability_type2name(int type);
@@ -93,6 +96,8 @@ const char *vm_get_stat_desc(struct vmctx *ctx, int index);
 int	vm_get_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state *s);
 int	vm_set_x2apic_state(struct vmctx *ctx, int vcpu, enum x2apic_state s);
 
+int	vm_get_hpet_capabilities(struct vmctx *ctx, uint32_t *capabilities);
+
 /* Reset vcpu register state */
 int	vcpu_reset(struct vmctx *ctx, int vcpu);