1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com> 5 * Copyright (c) 2013 Neel Natu <neel@freebsd.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef _VIOAPIC_H_ 33 #define _VIOAPIC_H_ 34 35 #define VIOAPIC_BASE 0xFEC00000 36 #define VIOAPIC_SIZE 4096 37 38 struct vioapic *vioapic_init(struct vm *vm); 39 void vioapic_cleanup(struct vioapic *vioapic); 40 41 int vioapic_assert_irq(struct vm *vm, int irq); 42 int vioapic_deassert_irq(struct vm *vm, int irq); 43 int vioapic_pulse_irq(struct vm *vm, int irq); 44 45 int vioapic_mmio_write(void *vm, int vcpuid, uint64_t gpa, 46 uint64_t wval, int size, void *arg); 47 int vioapic_mmio_read(void *vm, int vcpuid, uint64_t gpa, 48 uint64_t *rval, int size, void *arg); 49 50 int vioapic_pincount(struct vm *vm); 51 void vioapic_process_eoi(struct vm *vm, int vcpuid, int vector); 52 #endif 53