2 * Copyright (c) 2013 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
3 * Copyright (c) 2013 Neel Natu <neel@freebsd.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #define VIOAPIC_BASE 0xFEC00000
34 #define VIOAPIC_SIZE 4096
36 struct vioapic *vioapic_init(struct vm *vm);
37 void vioapic_cleanup(struct vioapic *vioapic);
39 int vioapic_assert_irq(struct vm *vm, int irq);
40 int vioapic_deassert_irq(struct vm *vm, int irq);
41 int vioapic_pulse_irq(struct vm *vm, int irq);
43 int vioapic_mmio_write(void *vm, int vcpuid, uint64_t gpa,
44 uint64_t wval, int size, void *arg);
45 int vioapic_mmio_read(void *vm, int vcpuid, uint64_t gpa,
46 uint64_t *rval, int size, void *arg);
48 int vioapic_pincount(struct vm *vm);
49 void vioapic_process_eoi(struct vm *vm, int vcpuid, int vector);