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 #ifdef _KERNEL 39 struct vm_snapshot_meta; 40 41 struct vioapic *vioapic_init(struct vm *vm); 42 void vioapic_cleanup(struct vioapic *vioapic); 43 44 int vioapic_assert_irq(struct vm *vm, int irq); 45 int vioapic_deassert_irq(struct vm *vm, int irq); 46 int vioapic_pulse_irq(struct vm *vm, int irq); 47 48 int vioapic_mmio_write(struct vcpu *vcpu, uint64_t gpa, 49 uint64_t wval, int size, void *arg); 50 int vioapic_mmio_read(struct vcpu *vcpu, uint64_t gpa, 51 uint64_t *rval, int size, void *arg); 52 53 int vioapic_pincount(struct vm *vm); 54 void vioapic_process_eoi(struct vm *vm, int vector); 55 #ifdef BHYVE_SNAPSHOT 56 int vioapic_snapshot(struct vioapic *vioapic, 57 struct vm_snapshot_meta *meta); 58 #endif 59 60 #endif /* _KERNEL */ 61 62 #endif /* _VIOAPIC_H_ */ 63