2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2014 Neel Natu (neel@freebsd.org)
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
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 THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include <isa/isareg.h>
37 struct vm_snapshot_meta;
39 struct vrtc *vrtc_init(struct vm *vm);
40 void vrtc_cleanup(struct vrtc *vrtc);
41 void vrtc_reset(struct vrtc *vrtc);
43 time_t vrtc_get_time(struct vm *vm);
44 int vrtc_set_time(struct vm *vm, time_t secs);
45 int vrtc_nvram_write(struct vm *vm, int offset, uint8_t value);
46 int vrtc_nvram_read(struct vm *vm, int offset, uint8_t *retval);
48 int vrtc_addr_handler(struct vm *vm, int vcpuid, bool in, int port, int bytes,
50 int vrtc_data_handler(struct vm *vm, int vcpuid, bool in, int port, int bytes,
54 int vrtc_snapshot(struct vrtc *vrtc, struct vm_snapshot_meta *meta);