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 /* 31 * Copyright 2018 Joyent, Inc. 32 * Copyright 2022 Oxide Computer Company 33 */ 34 35 #ifndef _VHPET_H_ 36 #define _VHPET_H_ 37 38 #define VHPET_BASE 0xfed00000 39 #define VHPET_SIZE 1024 40 41 struct vhpet *vhpet_init(struct vm *vm); 42 void vhpet_cleanup(struct vhpet *vhpet); 43 int vhpet_mmio_write(struct vm *vm, int vcpuid, uint64_t gpa, uint64_t val, 44 int size); 45 int vhpet_mmio_read(struct vm *vm, int vcpuid, uint64_t gpa, uint64_t *val, 46 int size); 47 int vhpet_getcap(struct vm_hpet_cap *cap); 48 49 void vhpet_localize_resources(struct vhpet *vhpet); 50 void vhpet_pause(struct vhpet *); 51 void vhpet_resume(struct vhpet *); 52 53 #endif /* _VHPET_H_ */ 54