1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 30 #ifndef _VIOAPIC_H_ 31 #define _VIOAPIC_H_ 32 33 #define VIOAPIC_BASE 0xFEC00000 34 #define VIOAPIC_SIZE 4096 35 36 #ifdef _KERNEL 37 struct vm_snapshot_meta; 38 39 struct vioapic *vioapic_init(struct vm *vm); 40 void vioapic_cleanup(struct vioapic *vioapic); 41 42 int vioapic_assert_irq(struct vm *vm, int irq); 43 int vioapic_deassert_irq(struct vm *vm, int irq); 44 int vioapic_pulse_irq(struct vm *vm, int irq); 45 46 int vioapic_mmio_write(struct vcpu *vcpu, uint64_t gpa, 47 uint64_t wval, int size, void *arg); 48 int vioapic_mmio_read(struct vcpu *vcpu, uint64_t gpa, 49 uint64_t *rval, int size, void *arg); 50 51 int vioapic_pincount(struct vm *vm); 52 void vioapic_process_eoi(struct vm *vm, int vector); 53 #ifdef BHYVE_SNAPSHOT 54 int vioapic_snapshot(struct vioapic *vioapic, 55 struct vm_snapshot_meta *meta); 56 #endif 57 58 #endif /* _KERNEL */ 59 60 #endif /* _VIOAPIC_H_ */ 61