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, 49 insertions, 0 deletions

diff --git a/sys/amd64/vmm/io/vioapic.h b/sys/amd64/vmm/io/vioapic.h
new file mode 100644
index 0000000..54ad36a
--- /dev/null
+++ b/sys/amd64/vmm/io/vioapic.h
@@ -0,0 +1,49 @@
+/*-
+ * Copyright (c) 2013 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
+ * Copyright (c) 2013 Neel Natu <neel@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _VIOAPIC_H_
+#define	_VIOAPIC_H_
+
+struct vm;
+struct vioapic;
+
+#define	VIOAPIC_BASE	0xFEC00000
+#define	VIOAPIC_SIZE	4096
+
+struct vioapic *vioapic_init(struct vm *vm);
+void	vioapic_cleanup(struct vioapic *vioapic);
+
+int	vioapic_assert_irq(struct vm *vm, int irq);
+int	vioapic_deassert_irq(struct vm *vm, int irq);
+
+int	vioapic_mmio_write(void *vm, int vcpuid, uint64_t gpa,
+	    uint64_t wval, int size, void *arg);
+int	vioapic_mmio_read(void *vm, int vcpuid, uint64_t gpa,
+	    uint64_t *rval, int size, void *arg);
+#endif