1 /*- 2 * Copyright (c) 2013 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com> 3 * Copyright (c) 2013 Neel Natu <neel@freebsd.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 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. 14 * 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 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #ifndef _VIOAPIC_H_ 31 #define _VIOAPIC_H_ 32 33 #define VIOAPIC_BASE 0xFEC00000 34 #define VIOAPIC_SIZE 4096 35 36 struct vioapic *vioapic_init(struct vm *vm); 37 void vioapic_cleanup(struct vioapic *vioapic); 38 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); 42 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); 47 48 int vioapic_pincount(struct vm *vm); 49 void vioapic_process_eoi(struct vm *vm, int vcpuid, int vector); 50 #endif 51