2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2013 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
5 * Copyright (c) 2013 Neel Natu <neel@freebsd.org>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
35 #define VHPET_BASE 0xfed00000
36 #define VHPET_SIZE 1024
38 struct vm_snapshot_meta;
40 struct vhpet *vhpet_init(struct vm *vm);
41 void vhpet_cleanup(struct vhpet *vhpet);
42 int vhpet_mmio_write(void *vm, int vcpuid, uint64_t gpa, uint64_t val,
44 int vhpet_mmio_read(void *vm, int vcpuid, uint64_t gpa, uint64_t *val,
46 int vhpet_getcap(struct vm_hpet_cap *cap);
48 int vhpet_snapshot(struct vhpet *vhpet, struct vm_snapshot_meta *meta);
49 int vhpet_restore_time(struct vhpet *vhpet);
52 #endif /* _VHPET_H_ */